CN111482852B - Lamellar soft rock standard test block cutting and polishing integrated device and use method - Google Patents
Lamellar soft rock standard test block cutting and polishing integrated device and use method Download PDFInfo
- Publication number
- CN111482852B CN111482852B CN202010274146.0A CN202010274146A CN111482852B CN 111482852 B CN111482852 B CN 111482852B CN 202010274146 A CN202010274146 A CN 202010274146A CN 111482852 B CN111482852 B CN 111482852B
- Authority
- CN
- China
- Prior art keywords
- test block
- rock test
- polishing
- rock
- standard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a layered soft rock standard test block cutting and polishing integrated device and a use method thereof, and relates to the technical field of layered soft rock mechanical test devices; the device comprises a base arranged on a first layer, a movable cutting mechanism and a horizontal polishing mechanism arranged on a second layer and a turntable mechanism arranged on a third layer, wherein an oil pressure device and a support column are arranged on the base and used for supporting a movable platform positioned on the second layer; a baffle and a baffle slot are arranged on the mobile platform and used for clamping and fixing the rock test block on the mobile platform, a preformed hole for installing a polishing rod is arranged on the mobile platform, and the rock test block is polished and cut into a rock test block with a cylindrical structure by matching with a turntable mechanism; by implementing the technical scheme, the technical problem of high difficulty in preparing the standard test block of the existing lamellar soft rock mechanical test can be effectively solved, the standard rock test block of the lamellar soft rock can be efficiently prepared, the cutting speed is accelerated, the surface smoothness is ensured, and meanwhile, the preparation accuracy and the preparation efficiency are improved.
Description
Technical Field
The invention relates to the technical field of lamellar soft rock mechanical test devices, in particular to a lamellar soft rock standard test block cutting and polishing integrated device and a use method thereof.
Background
As China invests a large amount of funds to carry out infrastructure construction such as traffic, especially railway construction; however, the development of railways inevitably has the problem of tunnel construction, and the tunnel construction is faced with an infinite new problem due to the characteristics of complex topography and changeable geology of China; for example, in southwest areas of China, the tunnel is inevitably subjected to soft rock along with the construction of the tunnel. Soft rock generally refers to rock mass with weak rock quality, lower bearing capacity, joint fracture development and broken structure; if the tunnel passes through weak surrounding rock and is not properly treated, the tunnel is extremely easy to generate large deformation, collapse and other risks; once the danger occurs, the construction safety is seriously affected, the construction progress is affected by high cost and high difficulty of improvement, and great difficulty is brought to engineering construction.
According to the method and the device, in the process of implementing the method and the device, in the construction design of a soft rock tunnel, the stress mode of surrounding rock of the tunnel and the displacement mode of the periphery of the excavated cavity are generally difficult to accurately obtain, and the main reason is that the physical and mechanical parameters of a rock test block and a rock mass are difficult to obtain. Therefore, if accurate mechanical parameters of the rock test block and the rock mass can be obtained, the method has important significance for evaluating the surrounding rock grade, determining the engineering stability, evaluating the large deformation grade and the corresponding targeted construction method. The compressive strength of the rock test block is an important index for evaluating the rock test block and the rock mass, and a standard test block is generally prepared for an indoor test.
However, the existing method for preparing the standard test block mainly has the following technical problems: on one hand, a core drilling machine is adopted to drill core samples, and then grinding is carried out or rock blocks are collected on a face, and then the rock blocks are conveyed to a laboratory for cutting, so that standard test blocks are prepared, however, the layer-shaped soft rock layer is thinner, is extremely easy to break and is easy to be disturbed, so that when the core drilling machine is adopted to collect rock samples, the core collecting machine is very difficult to fix the uneven and lamellar rock faces, and therefore, the rock samples with enough thickness and enough length are difficult to collect; on the other hand, the difficulty of the fixing method is high when the rock sample is prepared, the disturbance degree of the cutting machine on the rock block is very high, and the layered soft rock block is very easy to damage and difficult to form, so that the main reason for the difficulty in obtaining the physical and mechanical parameters of the rock test block and the rock mass is that the standard test block is difficult to prepare; and because the rock test block mechanical test often needs a plurality of groups of test devices, the conventional means of common machinery is often extremely low in efficiency, and the standard requirement can be hardly met.
Disclosure of Invention
The invention aims to provide a cutting and polishing integrated device for a standard test block of layered soft rock, which aims to efficiently prepare a standard cubic rock test block and a standard cylindrical rock test block of the layered soft rock, adopts two cutting modes and two polishing modes to be combined, accelerates the cutting speed, ensures the surface smoothness, remarkably improves the accuracy of the manufacturing size of the standard test block of the layered soft rock, and improves the preparation efficiency.
The technical scheme adopted by the invention is as follows:
The device is of a three-layer structure and comprises a base arranged on a first layer, a movable cutting mechanism and a horizontal polishing mechanism arranged on a second layer, and a turntable mechanism arranged on a third layer;
the base is provided with a support column which extends upwards and passes through the second layer and the third layer, and is used for supporting a movable cutting mechanism and a horizontal polishing mechanism which are positioned on the second layer and a turntable mechanism which is positioned on the third layer;
The base is provided with an oil pressure device for supporting a moving platform positioned on a second layer, the moving platform is provided with a baffle and a baffle slot, and the baffle is fixed on the moving platform through the baffle slot and is used for clamping and fixing a rock test block on the moving platform;
The movable cutting mechanism is positioned at the lower end of the second layer and is fixed on the support column, the horizontal polishing mechanism is positioned at the upper end of the second layer and is fixed on the support column, and the horizontal polishing mechanism comprises a driving assembly, two longitudinal guide rails arranged on the support column and a polishing cutter arranged between the two longitudinal guide rails, so that the polishing cutter is driven by the driving assembly to move along the longitudinal guide rails to polish a rock test block positioned on the movable platform;
The movable platform is provided with a first preformed hole for installing the polishing rod, so that the polishing rod passes through the first preformed hole to be fixed on the movable platform, and the polishing rod is matched with the turntable mechanism to polish and cut the rock test block into a rock test block with a cylindrical structure.
Preferably, the movable cutting device comprises a guide groove arranged at the lower end of the second layer and a trolley type cutting device arranged in the guide groove, wherein the guide groove is fixed on the support columns at two sides, so that the trolley type cutting device can freely slide along the guide groove and cut a rock test block positioned on the movable platform, and the rock test block is preliminarily cut into a cube structure.
Preferably, the guide groove is divided into two layers, the cross section of the guide groove is in an H-shaped structure, so that the trolley type cutting device is arranged on the upper layer of the guide groove and can slide freely along the guide groove, and the lower layer of the guide groove is provided with second preformed holes penetrating through the front side and the rear side of the guide groove.
Preferably, the trolley type cutting device comprises a mounting seat and a cutting device arranged on the mounting seat, the cutting device comprises a cutter disc and a supporting arm, the supporting arm comprises a first rotating shaft connected with the mounting seat and a second rotating shaft connected with the cutter disc, the first rotating shaft is fixed on the mounting seat through a bolt, the first rotating shaft is connected with the second rotating shaft through a bolt, so that the cutter disc can freely rotate, and the cutting position is reached, and the supporting arm is fixedly locked through the bolt; the cutterhead is 100-150mm in diameter.
Preferably, the baffle includes preceding baffle and backplate, preceding baffle embedding in the baffle slot is fixed the backplate is kept away from one side of preceding baffle extends and is provided with the ejector pin, the ejector pin passes the second preformed hole and is fixed through the lock bolt on the guide way, so that pass through preceding baffle with the backplate carries out the centre gripping with rock test block and fixes. Because the lamellar soft rock thickness is thinner, the baffle slot of above-mentioned structure specifically can be designed into the adaptation and fix the rock test block of equidimension to utilize baffle slot and plug-in baffle to carry out reasonable matching design, the fixed technical problem that the degree of difficulty is big when solving the preparation rock specimen.
Preferably, the front baffle and the rear baffle are both in two-layer structures, one side, close to the rock test block, of the front baffle is a rubber plate, the other side is a metal plate, and the metal plate and the rubber plate are fixed together. The metal plate and the rubber plate can be specifically bonded or screwed, and are not particularly limited to the bonding or the screwing, and the bonding or the screwing is mainly used for guaranteeing the minimization of damage to the rock test block; the design that the scale marks are marked on the front baffle and the rear baffle can be used for accurately controlling the cutting size of the rock test block when cutting is carried out, so that the accuracy of the cutting of the rock test block is improved.
Preferably, the driving component of the horizontal polishing mechanism comprises a first motor, two transverse shaft rods and a shaft coupling, wherein the two transverse shaft rods and the shaft coupling are connected with the first motor, and longitudinal shaft rods and longitudinal sliding blocks sleeved on the longitudinal shaft rods are respectively positioned in two longitudinal guide rails; the polishing cutter is detachably connected to the two longitudinal sliding blocks. The first motor may be a bidirectional motor, so that the two longitudinal shafts are connected with the corresponding transverse shafts through the coupling to realize synchronous rotation, the specific driving type sliding block may be in threaded connection with the longitudinal shafts, so that the driving type sliding block moves along the longitudinal guide rail in the rotation process of the longitudinal shafts, the two longitudinal sliding blocks also move synchronously along the rotation of the two longitudinal shafts, and the specific structure is not limited to this, so that the polishing tool erected on the two longitudinal sliding blocks moves along the longitudinal guide rail under the control of the first motor to polish the rock test block.
Preferably, a second motor is installed at the position of the driving type sliding block, and the second motor is used for driving the polishing cutter to rotate. In the technical scheme, the polishing cutter can be detachably connected with the output shaft of the second motor, and the specific detachable connection mode can be selected from the prior art, and detailed description is omitted; the polishing knife is provided with a columnar structure, rotates around the circumferential direction of the knife under the action of the second motor, and moves along the upper plane of the rock test block to polish under the action of the first motor so as to ensure polishing quality.
Preferably, the turntable mechanism is erected at the upper ends of the supporting columns at two sides, the turntable mechanism comprises a third motor and a U-shaped turntable connected with an output shaft of the third motor, an opening of the U-shaped turntable is downward and opposite to the moving platform, so that a rock test block is embedded into the U-shaped turntable, and the rock test block positioned in the U-shaped turntable is polished by the polishing rod under the driving of the oil pressure device, so that the rock test block with a cylindrical structure is formed.
Preferably, in order to ensure the cutting quality of the cylindrical rock test block, the grinding rod is preferably made of high-strength metal, and the end part of the grinding rod is preferably designed into a blade shape; in order to ensure the polishing quality of the cylindrical rock test block, the polishing rod is preferably made of a polishing material at a portion close to the rock test block.
On the other hand, the invention also provides a method for preparing the standard rock test block, and the standard rock test block is prepared by using the layered soft rock standard test block cutting and polishing integrated device, and the preparation method comprises two modes of preparing the cubic standard rock test block and the cylindrical standard rock test block, so that the cubic standard rock test block can be conveniently and efficiently prepared, and the cylindrical standard rock test block can be conveniently and efficiently prepared:
In a first mode, preparing a cubic standard rock test block, which specifically comprises the following steps:
Firstly, fixing a rock test block on a movable platform at the upper end of an oil pressure device by using a baffle plate;
driving the moving platform to move by utilizing the oil pressure device so as to enable the rock test block to reach a preset height position C1, cutting planes on two sides of the rock test block by utilizing a cutter of the moving cutting mechanism, then moving the baffle plate to cut the rock test block in a face-changing manner, and the like until six faces are cut initially;
Fixing the rock test block after the preliminary cutting on the center of a movable platform, driving the movable platform to move upwards by utilizing an oil pressure device so as to enable the rock test block to reach a preset height position C2, and moving and polishing along the upper plane of the rock test block by utilizing a horizontal polishing mechanism; in the plane polishing process, the driving assembly is used for driving the polishing cutter to move back and forth until the overlapping part of the polishing cutter and the rock test block is polished to be flat; then the oil pressure device is used for driving the movable platform to ascend and move, polishing is continued until the rock test block is polished to be flush with the front baffle plate, the oil pressure device is stopped for lifting the movable platform, the movable platform is kept at the height, the upper plane of the rock test block is polished, and the like until six sides are polished to a preset standard size, and then the preparation of the cubic standard rock test block is completed;
the second way is: preparing a cylindrical standard rock test block, wherein the method comprises the steps of first, second and third, and specifically comprises the following steps:
Step four, according to the size of the flattened cubic standard rock test block polished in the step three, selecting a cubic test block turntable capable of clamping the rock test block, and clamping the rock test block into the turntable; meanwhile, according to the size of a prefabricated cylinder standard rock test block, selecting a corresponding first reserved hole on the mobile platform to insert a polishing rod, and fixing the polishing rod on the mobile platform; then the oil pressure device is used for driving the movable platform to ascend and move so as to enable the polishing rod to gradually approach to the rock test block positioned in the turntable until the rock test block contacts with the rock test block;
Step five, starting a turntable mechanism to drive the turntable to rotate so that the cubic standard rock test block positioned in the turntable synchronously rotates along with the turntable, and polishing a circular groove at a contact part of the cubic standard rock test block contacted with the polishing rod; then gradually lifting the height of the movable platform by utilizing an oil pressure device to lift the height of the polishing rod, so that the polishing rod gradually penetrates into the cubic standard rock test block until contacting the bottom of the turntable, and cutting the standard rock test block with a cylindrical structure;
and step six, decompressing the oil pressure device, and taking out the cylinder standard rock test block to finish the preparation of the cylinder standard rock test block.
As a preferable scheme of the standard rock test block preparation method, scale marks are arranged on the baffle plate, scale marks are arranged on two sides of the oil pressure device, and in the second step, the cutting size of the rock test block is controlled by the scale marks on the baffle plate; in the third step, the ascending height of the movable platform is controlled according to the graduated scales on two sides of the oil pressure device, and meanwhile, a front baffle matched with the standard rock test block in size is inserted into the baffle slot.
As the preferable scheme of the preparation method of the standard rock test block, the end part of the polishing rod is in a blade shape, and a polishing material is selected as a material close to one end of the rock test block; in the fifth step, in the process of cutting out the standard rock test block with the cylindrical structure, polishing the standard rock test block with the cylindrical structure is completed by utilizing the frosting on the inner side of the polishing rod.
As described above, the present invention has at least the following advantageous effects over the prior art:
1. Aiming at the characteristics that the lamellar soft rock is extremely easy to be disturbed and broken, the invention provides the cutting and polishing integrated device for the lamellar soft rock standard test block and the use method, which can be used for efficiently preparing the cubic standard rock test block and the cylindrical standard rock test block of the lamellar soft rock, adopts the combination of two cutting modes and two polishing modes, accelerates the cutting speed, ensures the surface smoothness, remarkably improves the accuracy of the manufacturing size of the lamellar soft rock test block, improves the preparation efficiency of the lamellar soft rock test block, and has good application prospect and practical value.
2. The layered soft rock standard test block cutting and polishing integrated device adopts a three-layer structure design, sequentially fixes the cutting structure, the polishing mechanism and the turntable mechanism, can be combined with the preparation method to effectively ensure the preparation order of the cubic standard rock test block and the cylindrical standard rock test block, has better structural stability, can facilitate the processing of standard rock test blocks with different sizes, and is flexible and convenient, and easy to operate and maintain.
3. The movable cutting mechanism adopts a linear cutting principle, can effectively avoid changing the physical and mechanical properties of the rock test block, can effectively overcome the technical problem that the standard soft rock test block cannot be obtained by the traditional drilling and coring method, ensures that the loss of the rock test block is minimized, and ensures the cutting and forming effects and efficiency of the rock test block; and the design of combining baffle scale can effectively guarantee its cutting accuracy, has better practicality.
4. The baffle slot and the structure design of the inserted baffle can effectively solve the technical problem of high difficulty in fixing the rock test block when the rock test block is manufactured in the prior art, the front baffle and the rear baffle are used for clamping and fixing the rock test block, the damage to the rock test block can be effectively ensured to be minimized by the rubber plate, and the sliding design of the rear baffle can be suitable for clamping and stabilizing the rock test blocks with different sizes, so that the operation is convenient and quick; the front baffle can be inserted into front baffles of different sizes according to different standard rock test blocks, and the polishing precision of the layered soft rock test block can be remarkably improved by combining the lifting principle of the oil pressure device and the design of lifting scale marks.
5. The horizontal polishing mechanism is provided with the longitudinal guide rail with a guiding function, and the polishing cutter of the horizontal polishing mechanism is used for realizing the moving polishing and rotating polishing fusion along the upper plane of the rock test block under the action of the driving component, and can effectively ensure the polishing speed and the surface smoothness of the horizontal polishing mechanism and improve the success rate of preparing the standard test block of the layered soft rock aiming at the property that the layered soft rock layer is thinner and is extremely easily disturbed and damaged.
6. The invention is provided with the turntable mechanism for preparing the cylinder standard rock test block, the U-shaped turntable and the first reserved hole on the mobile platform are used for installing the polishing rod, the cutting and polishing modes are fused, the cylinder standard rock test block is prepared by cutting and polishing once, the preparation efficiency of preparing the cylinder standard rock test block is greatly improved, and the cylinder standard rock test block can be successfully prepared without additional structural design; meanwhile, according to the cylindrical standard rock test blocks with different sizes, the polishing rods with corresponding cutting ranges and the corresponding first reserved holes can be configured, so that the surface cutting precision and smoothness of the cylindrical standard rock test blocks are improved in cutting speed, the cylindrical standard rock test blocks have good practicability, and the cylindrical standard rock test blocks are suitable for popularization and application.
Drawings
The invention will be described by way of specific embodiments and with reference to the accompanying drawings in which
FIG. 1 illustrates a schematic diagram of a layered soft rock standard block cutting and grinding integrated apparatus according to an exemplary embodiment of the present invention;
FIG. 2 shows a schematic cross-sectional view of A-A of FIG. 1 according to an exemplary embodiment of the invention;
FIG. 3 illustrates a schematic view of the guide slot of FIG. 1 according to an exemplary embodiment of the present invention;
FIG. 4 illustrates a schematic cross-sectional view of the guide slot of FIG. 1 according to an exemplary embodiment of the present invention;
FIG. 5 illustrates a schematic view of the fixation of the rock block of FIG. 1 according to an exemplary embodiment of the present invention;
FIG. 6 shows a schematic view of the cart type cutting device of FIG. 1, according to an exemplary embodiment of the present invention;
fig. 7 illustrates a schematic installation view of the sanding lever of fig. 1 in accordance with an exemplary embodiment of the present invention.
Reference numerals illustrate: 1-a base; 11-supporting columns; 12-graduated scale; 2-moving the cutting mechanism; 21-a guide groove; 211-a second preformed hole; 22-trolley type cutting device; 221-cutterhead; 222-a first spindle; 223-a second spindle; 224-mount; 3-a horizontal polishing mechanism; 31-a drive assembly; 32-longitudinal guide rails; 33-grinding the cutter; 4-a turntable mechanism; 41-a third motor; 42-U-shaped turntables; 5-an oil pressure device; 6-a mobile platform; 61-a first preformed hole; 7-a baffle; 71-a front baffle; 72-a tailgate; 73-baffle slot; 74-ejector rod; 75-locking bolts; 76-graduation marks; 8-polishing rod.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
Example 1
An exemplary embodiment of the present invention is substantially as shown in fig. 1 and 2: the embodiment provides a layered soft rock standard test block cutting and polishing integrated device which is of a three-layer structure and particularly comprises a base 1 arranged on a first layer, a movable cutting mechanism 2 and a horizontal polishing mechanism 3 arranged on a second layer and a turntable mechanism 4 arranged on a third layer; the support columns 11 are fixedly arranged around the base 1 of the first layer so that the device forms a frame structure, and the support columns 11 extend upwards to sequentially pass through the second layer to the third layer structure so as to support the movable cutting mechanism 2 and the horizontal polishing mechanism 3 which are positioned on the second layer and the turntable mechanism 4 which is positioned on the third layer; wherein the turntable mechanism 4 is erected in the middle of the support columns 11 at both sides.
The base 1 is further provided with an oil pressure device 5 as a lifting mechanism for supporting the moving platform 6 at the second layer, which is not limited thereto, and other lifting mechanisms in the prior art can be adopted to drive the moving platform 6 to move up or down; the movable platform 6 is used as an operation platform for preparing standard rock test blocks, a baffle 7 and a baffle slot 73 are arranged on the movable platform 6, and the baffle 7 is fixed on the movable platform 6 through the baffle slot 73 and is used for clamping and fixing the rock test blocks on the movable platform 6; specifically, as shown in fig. 5, the baffle 7 includes a front baffle 71 and a rear baffle 72, the height of the baffle 7 is customized in advance according to the size of the rock test block to be cut and polished, the baffle slot 73 is formed on the baffle 7 according to the size of the rock test block to be cut and polished, the baffle slot 73 can be specifically designed with various intervals, the front baffle 71 and the rear baffle 72 can be fixed on the mobile platform 6 through embedding the baffle slot 73, the interval between the front baffle 71 and the rear baffle 72 can be adjusted according to the size of the rock test block to be cut and polished, and the replacement baffle 7 is inserted into the baffle slot 73, so that the device has better practicability.
In order to ensure that damage to the rock test block is minimized, the front baffle 71 and the rear baffle 72 provided in this embodiment are both of a two-layer structure, and a rubber plate is disposed on one side of the front baffle and the rear baffle, which are close to the rock test block, and a metal plate is disposed on the other side of the front baffle and the rear baffle, and the metal plate and the rubber plate are fixed together. The metal plate and the rubber plate can be specifically bonded or screwed, but the metal plate and the rubber plate are not particularly limited to the bonding, and other fixed connection modes in the prior art can be selected, so that the damage to the rock test block is mainly ensured to be minimized; graduation marks 76 are marked on the prefabricated front baffle 71 and the prefabricated rear baffle 72, and can be used for accurately controlling the cutting size of the rock test block when cutting is carried out so as to improve the accuracy of the rock test block cutting.
The movable cutting mechanism 2 provided in the present embodiment is located at the lower end of the second layer of the device and is fixed on the support column 11, specifically, the movable cutting mechanism 2 includes a guide groove 21 provided at the lower end of the second layer and a trolley type cutting device 22 installed in the guide groove 21; the guide groove 21 is fixedly arranged on the support column 11 at the rear side of the device, and does not move up and down along with the moving platform 6 of the second layer, so that the trolley type cutting device 22 can freely slide along the guide groove 21 and cut the rock test block positioned on the moving platform 6, and the rock test block is primarily cut into a cube structure; the guide groove 21 provided in the present embodiment as shown in fig. 3 and 4 is divided into two layers, and has an H-shaped cross section so that the cart type cutting device 22 is placed on the upper layer of the guide groove 21 and freely slides along the guide groove 21; as shown in fig. 5, second preformed holes 211 penetrating both front and rear sides of the guide groove 21 are provided at the lower layer of the guide groove 21; The side of the back plate 72 far away from the front plate 71 is provided with a push rod 74 in an extending manner, the push rod 74 passes through a second preformed hole 211 and is fixed at the lower half part of the guide slot 21 through a locking bolt 75, the fixed position of the back plate 72 can be effectively locked by the push rod 74 and the bolt, so that rock test blocks with different sizes can be clamped and fixed through the front plate 71 and the back plate 72, the second preformed hole 211 is mainly designed to be used for tightly pushing the back plate 72 by the push rod 74 and the locking bolt 75, when the rock test block is fixed, the rock test block is firstly placed on the movable platform 6, then the back plate 72 is installed at one side of the rock test block close to the guide slot 21 and kept upright, The rock test block is secured by the rear carrier rod 74 passing through the second preformed hole 211 from the outside inwards until it abuts the backing plate 72, and finally tightening the lock bolt 75 until it abuts the backing plate 72. Because the thickness of the lamellar soft rock is thinner, the baffle slot 73 with the structure can be specifically designed to adapt to fixing rock test blocks with different sizes, and reasonable matching design is carried out by utilizing the baffle slot 73 and the inserted baffle 7 so as to solve the technical problem of high fixing difficulty in preparing rock samples, and the structural design is ingenious and reasonable. Thus, the H-shaped guide groove 21 can facilitate the trolley type cutting device 22 to be embedded into the inner side of the guide groove to slide freely, prevent the trolley type cutting device from being separated from the device, and facilitate the guide groove 21 to be fixed on the support column 11; The above-mentioned trolley-type cutting device 22 is specifically selected from the prior art, and is different in that, as shown in fig. 6, the trolley-type cutting device 22 provided in this embodiment includes a mounting seat 224 and a cutting device mounted on the mounting seat 224, the cutting device includes a cutter head 221 and a supporting arm, the supporting arm includes a first rotating shaft 222 connected with the mounting seat 224 and a second rotating shaft 223 connected with the cutter head 221, the first rotating shaft 222 is fixed on the mounting seat 224 by bolts, the first rotating shaft 222 is connected with the second rotating shaft 223 by bolts, so that the cutter head 221 can freely rotate, and the supporting arm is locked by bolts when reaching a cutting position; because the thickness of the lamellar soft rock is thinner, in order to ensure that the damage to the rock test block is minimized, a small-diameter cutter disc 221 can be adopted, and the cutter disc 221 with the diameter ranging from 100 mm to 150mm is optimized through multiple tests by the applicant, so that the change of the physical and mechanical properties of the rock test block to the rock test block can be effectively avoided.
The horizontal polishing mechanism 3 provided in this embodiment is located at the upper end of the second layer and is fixedly installed on the support column 11 at the front side of the device, and the horizontal polishing mechanism 3 includes a driving component 31, two longitudinal guide rails 32 respectively installed on the support column 11 at the left and right sides, and a polishing cutter 33 erected between the two longitudinal guide rails 32, so that the polishing cutter 33 is driven by the driving component 31 to move along the longitudinal guide rails 32 to polish a rock test block located on the moving platform 6; as a preferable mode of the present embodiment, the scale 12 may be provided on the support column 11 on the left and right sides of the hydraulic device 5, and the structure design of the scale 12 may be additionally provided for the purpose of controlling the elevation height of the movable platform 6.
Specifically, the driving component 31 of the horizontal polishing mechanism 3 includes a first motor (not shown), two transverse shafts and a coupling connected with the first motor (not shown), and longitudinal shafts and longitudinal sliding blocks sleeved on the longitudinal shafts respectively located in the two longitudinal guide rails 32, wherein the longitudinal shafts and the transverse shafts are connected together through the coupling to realize synchronous rotation, one of the longitudinal sliding blocks is a driving sliding block, and the other longitudinal sliding block is a free movable sliding block; the grinding tool 33 is detachably connected to the two longitudinal sliding blocks, and a specific detachable connection mode can adopt threaded connection or clamping connection. The driving components are conventional driving components, and therefore are not described herein; the first motor may be a bi-directional motor, so that the two longitudinal shafts are connected with the corresponding transverse shafts through the coupling to realize synchronous rotation, and the specific driving type sliding block may be in threaded connection with the longitudinal shafts, so as to realize that the driving type sliding block moves along the longitudinal guide rail 32 in the rotation process of the longitudinal shafts, and the two longitudinal sliding blocks also move synchronously along the rotation of the two longitudinal shafts, and the specific structure is not limited thereto, and the design purpose is to enable the polishing tool 33 erected on the two longitudinal sliding blocks to move along the longitudinal guide rail 32 under the control of the first motor to polish the rock test block.
The turntable mechanism 4 provided in this embodiment is erected at the middle position of the supporting columns 11 at two sides of the top of the third layer of the device through a mounting frame, specifically, the turntable mechanism 4 comprises a third motor 41 and a U-shaped turntable 42 connected with the output shaft of the third motor 41, the third motor 41 is mounted on the mounting frame, the output shaft of the third motor 41 penetrates through the mounting frame and is connected with the U-shaped turntable 42 positioned in the third layer, the opening of the U-shaped turntable 42 faces downwards and is opposite to the moving platform 6, and rock test blocks are embedded in the U-shaped turntable 42; meanwhile, as shown in fig. 5, a first preformed hole 61 for mounting the polishing rod 8 is provided on the moving platform 6 such that the polishing rod 8 passes through the first preformed hole 61 and is fixed to the moving platform 6 by a bolt; as shown in fig. 7, when the cylindrical standard rock test block needs to be cut, the polishing rod 8 is utilized to pass through the first preformed hole 61 from bottom to top and is fixed on the moving platform 6 of the second layer through a screw, the bottom of the moving platform 6 is connected with the oil pressure device 5, so that the polishing rod 8 can synchronously lift along with the moving platform 6, and the turntable mechanism 4 is matched to drive the U-shaped turntable 42 to rotate, so that the polishing rod 8 gradually ascends to cut the rock test block in the U-shaped turntable 42, and further the rock test block is polished and cut into the cylindrical standard rock test block.
For polishing and cutting cylinder standard rock test blocks with different sizes, a polishing rod 8 with a corresponding cutting range and a corresponding designed mounting first preformed hole 61 can be configured on the mobile platform 6; meanwhile, as the soft rock is softer, the U-shaped rotary table 42 which can clamp the corresponding rock test block is specifically selected, and the size of the rock test block is slightly larger than that of the U-shaped rotary table 42 through experiments, the corners are locally damaged during clamping, and the preparation of the cylinder standard test block is not influenced; meanwhile, the U-shaped rotary disc 42 is detachably connected with the output shaft of the third motor 41, and the specific connection mode thereof can be selected from the prior art, so that the description is omitted herein.
Furthermore, in order to ensure the cutting quality of the cylindrical rock test block, the grinding rod 8 is preferably of high-strength metal, and its end is preferably designed in the shape of a blade; to ensure the grinding quality of the cylindrical rock test block, the grinding rod 8 is preferably made of a grinding material at a portion adjacent to the rock test block.
Example two
The second embodiment is basically the same as the first embodiment, except that: as a preferable scheme of the horizontal polishing mechanism 3, a second motor (not shown) is installed at the position of the driving type sliding block, and the second motor is used for driving the polishing cutter 33 to rotate; in this embodiment, the polishing tool 33 may be detachably connected to the output shaft of the second motor, and a specific detachable connection manner thereof may be selected from the prior art, which is not described in detail; the polishing cutter 33 is selected to be of a columnar structure, and the detachable polishing cutter 33 rotates around the circumferential direction of the polishing cutter 33 under the action of the second motor; simultaneously, the polishing cutter 33 moves back and forth along the longitudinal guide rails 32 on the left side and the right side under the action of the first motor of the driving assembly 31, so as to polish the upper plane of the rock test block in a moving way, and ensure polishing quality.
On the other hand, fig. 1 and 2 show schematic diagrams of an integrated device for cutting and polishing a layered soft rock standard test block according to an exemplary embodiment of the present invention, and according to this embodiment, there is further provided a method for preparing a standard rock test block by using the integrated device for cutting and polishing a layered soft rock standard test block, where the method for preparing a standard rock test block includes two modes of preparing a cubic standard rock test block and a cylindrical standard rock test block, so that the cubic standard rock test block can be prepared conveniently and efficiently, and the cylindrical standard rock test block can be prepared conveniently and efficiently:
In a first mode, preparing a cubic standard rock test block, which specifically comprises the following steps:
Firstly, preparing, namely fixing a rock test block on a movable platform 6 at the upper end of an oil pressure device 5 by using bolts and a baffle 7;
Cutting the plane of a cubic rock test block, driving a moving platform 6 to move by using an oil pressure device 5 so as to enable the rock test block to reach a preset height position C1, cutting planes on two sides of the rock test block by using a cutter of a moving cutting mechanism 2, then moving a baffle 7 to cut the surface of the rock test block in a changing way, continuing cutting according to the step, and the like until six faces are cut preliminarily; the step utilizes the scale marks 76 on the baffle 7 to control the cutting size of the rock test block, and the size of the cube rock block is primarily determined; if the trolley type cutting device 22 cannot reach enough cutting depth in the cutting process, the cutter 221 can be closed firstly, the lifting platform of the oil pressure device 5 is adjusted, and after the proper height is reached, the cutter 221 is used for cutting;
Step three, grinding the plane of the cubic rock test block, fixing the rock test block after preliminary cutting in the center of the movable platform 6, driving the movable platform 6 to move upwards by utilizing the oil pressure device 5, and controlling the lifting height of the movable platform 6 according to the graduated scales 12 at two sides of the oil pressure device 5 so as to enable the rock test block to reach a preset height position C2; inserting a front baffle 71 matched with the standard rock test block in the baffle slot 73, and tightly pushing a rear baffle 72 by using bolts to fix the rock test block; starting a horizontal polishing mechanism 3 to drive a component 31 to move and polish along the upper plane of the rock test block; in the plane polishing process, the driving assembly 31 is used for driving the polishing cutter 33 to move back and forth along the longitudinal guide rail 32 until the overlapping part of the polishing cutter 33 and the rock test block is polished to be flat; then the hydraulic device 5 is used for driving the movable platform 6 to move upwards, polishing is continued according to the step until the rock test block is polished to be flush with the front baffle plate 71, the hydraulic device 5 is stopped for lifting the movable platform 6, the movable platform 6 is kept at the height, the upper plane of the rock test block is polished to be flat, and the like until six sides are polished to a preset standard size, wherein the standard size can be selected according to actual requirements, and is preferably polished to be a cubic test block of 100 multiplied by 100mm and 150 multiplied by 150mm, namely the preparation of the cubic standard rock test block is completed;
the second way is: preparing a cylindrical standard rock test block with the dimension phi of 50mm multiplied by 100mm, wherein the method comprises the steps I, II and III, and specifically comprises the following steps:
Step four, according to the step three, grinding a smooth 100mm multiplied by 100mm cubic standard rock test block, selecting a cubic test block turntable capable of clamping the rock test block, and clamping the rock test block into the turntable; meanwhile, according to the size of a prefabricated cylindrical standard rock test block, selecting a corresponding first reserved hole 61 on the mobile platform 6 to insert the polishing rod 8, and fixing the polishing rod 8 on the mobile platform 6; then the oil pressure device 5 is used for driving the movable platform 6 to ascend and move so as to enable the polishing rod 8 to gradually approach the rock test block positioned in the turntable until the rock test block contacts with the rock test block;
step five, starting a turntable mechanism 4 to drive the turntable to rotate so as to enable the cubic standard rock test block positioned in the turntable to synchronously rotate along with the turntable, and polishing a circular groove at a contact part of the cubic standard rock test block contacted with a polishing rod 8; then gradually lifting the height of the movable platform 6 by utilizing the oil pressure device 5 to lift the height of the polishing rod 8, so that the polishing rod 8 gradually penetrates into the cubic standard rock test block until contacting the bottom of the turntable; in the process of cutting out standard rock test blocks with a cylindrical structure, polishing the standard rock test blocks with the cylindrical structure by utilizing the frosting on the inner side of the polishing rod 8 to cut out the standard rock test blocks with the cylindrical structure and the size of phi 50mm multiplied by 100 mm;
and step six, decompressing the oil pressure device 5, taking out the cylinder standard rock test block, and taking out the cylinder standard rock test block to finish the preparation of the cylinder standard rock test block.
In summary, the invention provides the cutting and polishing integrated device and the use method for the standard test block of the layered soft rock, which aim at the characteristics that the layered soft rock is extremely easy to be disturbed and broken, can efficiently prepare the standard test block of the cubic standard rock and the standard test block of the cylindrical standard rock of the layered soft rock, adopts two cutting modes and the fusion of the two polishing modes, accelerates the cutting speed, ensures the surface smoothness, remarkably improves the accuracy of the manufacturing size of the layered soft rock test block, and simultaneously has the advantages of orderly, flexible and convenient operation, improved preparation efficiency, good application prospect and practical value, and is suitable for popularization and application.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (8)
1. The utility model provides a lamellar soft rock standard test block cutting integrated device that polishes which characterized in that: the device is of a three-layer structure and comprises a base arranged on a first layer, a movable cutting mechanism and a horizontal polishing mechanism which are arranged on a second layer, and a turntable mechanism arranged on a third layer;
the base is provided with a support column which extends upwards and passes through the second layer and the third layer, and is used for supporting a movable cutting mechanism and a horizontal polishing mechanism which are positioned on the second layer and a turntable mechanism which is positioned on the third layer;
The base is provided with an oil pressure device for supporting a moving platform positioned on a second layer, the moving platform is provided with a baffle and a baffle slot, and the baffle is fixed on the moving platform through the baffle slot and is used for clamping and fixing a rock test block on the moving platform;
The movable cutting mechanism is positioned at the lower end of the second layer and is fixed on the support column, the horizontal polishing mechanism is positioned at the upper end of the second layer and is fixed on the support column, and the horizontal polishing mechanism comprises a driving assembly, two longitudinal guide rails arranged on the support column and a polishing cutter arranged between the two longitudinal guide rails, so that the polishing cutter is driven by the driving assembly to move along the longitudinal guide rails to polish a rock test block positioned on the movable platform;
the movable platform is provided with a first preformed hole for installing a polishing rod, so that the polishing rod passes through the first preformed hole to be fixed on the movable platform, and the rotary table mechanism is matched to polish and cut the rock test block into a rock test block with a cylindrical structure;
The movable cutting device comprises a guide groove arranged at the lower end of the second layer and a trolley type cutting device arranged in the guide groove, wherein the guide groove is fixed on support columns at two sides, so that the trolley type cutting device can freely slide along the guide groove and cut rock test blocks positioned on the movable platform;
the driving assembly of the horizontal polishing mechanism comprises a first motor, two transverse shaft rods and a shaft coupling, wherein the two transverse shaft rods and the shaft coupling are connected with the first motor, and the longitudinal shaft rods and the longitudinal sliding blocks sleeved on the longitudinal shaft rods are respectively positioned in the two longitudinal guide rails; the polishing cutter is detachably connected to the two longitudinal sliding blocks.
2. The layered soft rock standard test block cutting and polishing integrated device according to claim 1, wherein: the guide groove is divided into two layers, the cross section of the guide groove is of an H-shaped structure, so that the trolley type cutting device is arranged on the upper layer of the guide groove and can slide freely along the guide groove, and second preformed holes penetrating through the front side and the rear side of the guide groove are formed in the lower layer of the guide groove.
3. The layered soft rock standard test block cutting and polishing integrated device according to claim 2, wherein: the trolley type cutting device comprises a mounting seat and a cutting device arranged on the mounting seat, the cutting device comprises a cutter disc and a supporting arm, the supporting arm comprises a first rotating shaft connected with the mounting seat and a second rotating shaft connected with the cutter disc, the first rotating shaft is fixed on the mounting seat through a bolt, the first rotating shaft is connected with the second rotating shaft through a bolt, so that the cutter disc can freely rotate, and the cutting position is reached to fixedly lock the supporting arm through the bolt; the cutterhead is 100-150mm in diameter.
4. The layered soft rock standard test block cutting and polishing integrated device according to claim 2, wherein: the baffle includes preceding baffle and backplate, preceding baffle embedding in the baffle slot is fixed the backplate is kept away from one side of preceding baffle extends and is provided with the ejector pin, the ejector pin passes the second preformed hole and is fixed through the locking bolt on the guide way, so that pass through preceding baffle with the backplate carries out the centre gripping with rock test block and fixes.
5. The layered soft rock standard test block cutting and polishing integrated device according to claim 4, wherein: the front baffle and the rear baffle are of two-layer structures, one side, close to the rock test block, of the front baffle is a rubber plate, the other side is a metal plate, the metal plate and the rubber plate are fixed together, and scale marks are arranged on the front baffle and the rear baffle.
6. The layered soft rock standard test block cutting and polishing integrated device according to claim 1, wherein: the second motor is arranged at the position of the driving type sliding block and used for driving the polishing cutter to rotate.
7. The layered soft rock standard test block cutting and polishing integrated device according to claim 1, wherein: the rotary table mechanism is erected at the upper ends of the supporting columns on two sides, the rotary table mechanism comprises a third motor and a U-shaped rotary table connected with an output shaft of the third motor, an opening of the U-shaped rotary table faces downwards and is right opposite to the moving platform, so that rock test blocks are embedded into the U-shaped rotary table, and the rock test blocks located in the U-shaped rotary table are polished through the polishing rod under the driving of the oil pressure device, so that the rock test blocks with a cylindrical structure are formed.
8. A method of preparing a standard rock test block, comprising: the use of the layered soft rock standard block cutting and grinding integrated device of any one of claims 1-7 for manufacturing, comprising two ways of preparing cubic standard rock blocks and cylindrical standard rock blocks:
In a first way, a cubic standard rock test block is prepared, comprising the steps of:
Firstly, fixing a rock test block on a movable platform at the upper end of an oil pressure device by using a baffle plate;
driving the moving platform to move by utilizing the oil pressure device so as to enable the rock test block to reach a preset height position C1, cutting planes on two sides of the rock test block by utilizing a cutter of the moving cutting mechanism, then moving the baffle plate to cut the rock test block in a face-changing manner, and the like until six faces are cut initially;
Fixing the rock test block after the preliminary cutting on the center of a movable platform, driving the movable platform to move upwards by utilizing an oil pressure device so as to enable the rock test block to reach a preset height position C2, and moving and polishing along the upper plane of the rock test block by utilizing a horizontal polishing mechanism; in the plane polishing process, the driving assembly is used for driving the polishing cutter to move back and forth until the overlapping part of the polishing cutter and the rock test block is polished to be flat; then the oil pressure device is used for driving the movable platform to ascend and move, polishing is continued until the rock test block is polished to be flush with the front baffle plate, the oil pressure device is stopped for lifting the movable platform, the movable platform is kept at the height, the upper plane of the rock test block is polished, and the like until six sides are polished to a preset standard size, and then the preparation of the cubic standard rock test block is completed;
the second way is: preparing a cylindrical standard rock test block, wherein the method comprises the steps of first, second and third, and specifically comprises the following steps:
Step four, according to the size of the flattened cubic standard rock test block polished in the step three, selecting a cubic test block turntable capable of clamping the rock test block, and clamping the rock test block into the turntable; meanwhile, according to the size of a prefabricated cylinder standard rock test block, selecting a corresponding first reserved hole on the mobile platform to insert a polishing rod, and fixing the polishing rod on the mobile platform; then the oil pressure device is used for driving the movable platform to ascend and move so as to enable the polishing rod to gradually approach to the rock test block positioned in the turntable until the rock test block contacts with the rock test block;
Step five, starting a turntable mechanism to drive the turntable to rotate so that the cubic standard rock test block positioned in the turntable synchronously rotates along with the turntable, and polishing a circular groove at a contact part of the cubic standard rock test block contacted with the polishing rod; then gradually lifting the height of the movable platform by utilizing an oil pressure device to lift the height of the polishing rod, so that the polishing rod gradually penetrates into the cubic standard rock test block until contacting the bottom of the turntable, and cutting the standard rock test block with a cylindrical structure;
and step six, decompressing the oil pressure device, and taking out the cylinder standard rock test block to finish the preparation of the cylinder standard rock test block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274146.0A CN111482852B (en) | 2020-04-09 | 2020-04-09 | Lamellar soft rock standard test block cutting and polishing integrated device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274146.0A CN111482852B (en) | 2020-04-09 | 2020-04-09 | Lamellar soft rock standard test block cutting and polishing integrated device and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111482852A CN111482852A (en) | 2020-08-04 |
| CN111482852B true CN111482852B (en) | 2024-09-17 |
Family
ID=71798393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010274146.0A Active CN111482852B (en) | 2020-04-09 | 2020-04-09 | Lamellar soft rock standard test block cutting and polishing integrated device and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111482852B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319993A (en) * | 2021-07-01 | 2021-08-31 | 辽宁工程技术大学 | Mold convenient for demolding of low-strength building material test block and use method thereof |
| CN115387417B (en) * | 2022-08-26 | 2024-04-30 | 中铁十九局集团有限公司 | Underground diaphragm wall rock-entering grooving device and construction method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212444364U (en) * | 2020-04-09 | 2021-02-02 | 中铁八局集团有限公司 | A layered soft rock standard test block cutting and grinding integrated device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100265107B1 (en) * | 1998-04-30 | 2000-10-02 | 김윤규 | Cutter for cutting rock |
| US7089924B2 (en) * | 2001-12-14 | 2006-08-15 | Diamond Innovations, Inc. | Granite slabs cut with frame saw employing blades with diamond-containing segments and method of cutting thereof |
| CN102172876B (en) * | 2011-03-08 | 2012-07-25 | 东北石油大学 | Crashing-preventing type rock sample cutting and grinding device and cutting and grinding process thereof |
| CA2823643A1 (en) * | 2013-08-12 | 2015-02-12 | Bo Thomas Sjolander | Grinding apparatus with non-pneumatic load control |
| CN108444786B (en) * | 2018-03-30 | 2020-10-30 | 青岛理工大学 | An integrated device for soft rock cutting and sample preparation |
-
2020
- 2020-04-09 CN CN202010274146.0A patent/CN111482852B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212444364U (en) * | 2020-04-09 | 2021-02-02 | 中铁八局集团有限公司 | A layered soft rock standard test block cutting and grinding integrated device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111482852A (en) | 2020-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111482852B (en) | Lamellar soft rock standard test block cutting and polishing integrated device and use method | |
| CN106680021B (en) | Rock core prefabrication joint cutting machine for rock test | |
| CN116038354B (en) | Turning and milling combined machining numerical control machine tool | |
| CN111069991B (en) | Accurate positioning and polishing equipment for cylinder expansion of automobile engine cylinder body | |
| CN104741986B (en) | A kind of inner bore machining device and processing method | |
| CN212444364U (en) | A layered soft rock standard test block cutting and grinding integrated device | |
| CN110057698B (en) | Cylinder concrete test block splitting device and splitting method | |
| CN111719360B (en) | Milling and grinding device for eliminating arch defect on railway sleeper | |
| KR102194811B1 (en) | Methods for testing cutting performance of TBM and rock cutting tool for composite ground | |
| CN109596372B (en) | A single grinding head rail grinding experimental device | |
| CN207343813U (en) | A kind of scalable interior aperture knife tool and inner hole machining equipment | |
| CN114544323A (en) | Mechanical property detection device | |
| CN211334039U (en) | Be applicable to stone material ceramic tile glass instrument of punching | |
| CN219657202U (en) | Engineering geological survey sample sampling device | |
| CN106872227A (en) | The prefabricated three-dimensional Single Fracture of high accuracy rock sample, many crack processing experimental devices | |
| CN112857862B (en) | Core splitting sampler for geological mineral drilling | |
| CN210803118U (en) | Pavement structure interlaminar strength detection device | |
| CN202219424U (en) | Processing device for inclined holes of intersecting lines of C/E (carbon/epoxy) composite materials | |
| CN203479583U (en) | Device for fabricating scratch on tubular alloy surface | |
| CN2920526Y (en) | Grinding shaping machine of drill | |
| CN212947257U (en) | Surface treatment device for rotary molybdenum target | |
| CN106053170B (en) | A kind of nano-indentation experiment concrete sample burnishing device | |
| CN206622923U (en) | A three-dimensional mobile and rotatable tool processing device | |
| CN221569654U (en) | Gas pressure pipeline laying device | |
| CN222289612U (en) | Steel pipe terminal surface equipment of polishing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |