CN109291386B - Plastic pipe production device for shell-expanding type prestress grouting anchor rod - Google Patents
Plastic pipe production device for shell-expanding type prestress grouting anchor rod Download PDFInfo
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- CN109291386B CN109291386B CN201811125846.2A CN201811125846A CN109291386B CN 109291386 B CN109291386 B CN 109291386B CN 201811125846 A CN201811125846 A CN 201811125846A CN 109291386 B CN109291386 B CN 109291386B
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- plastic pipe
- traction
- sealing part
- anchor rod
- die
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic pipe production device for an expanding shell type prestress grouting anchor rod, which comprises an extruder, a machine head, a die fixed on the machine head and a traction machine, wherein a plastic pipe enters an inlet of the traction machine after being extruded from an outlet of the die, the traction machine comprises a machine body, traction mechanisms symmetrically arranged on the machine body and a driving mechanism for synchronously driving the two traction mechanisms to carry out the same-direction traction, the two traction mechanisms can enclose a working cavity which completely surrounds the peripheral surface of the plastic pipe, and the inner cavity surface of the working cavity is attached to the peripheral surface of the plastic pipe and is provided with a plurality of pits; the mould is provided with an air passage which communicates the inner cavity of the plastic pipe with an external compressed air source; the sealing plug comprises a sealing part and a supporting rod; the support rod and the sealing part are positioned in the inner cavity of the plastic pipe, the support rod extends along the axial direction of the plastic pipe to enable the sealing part to be positioned in the working cavity, a closed cavity is formed between the inner die and the sealing part in the inner cavity of the plastic pipe, and after compressed gas is introduced before the plastic pipe is cooled and hardened, the plastic pipe expands towards the direction of filling the concave.
Description
Technical Field
The invention belongs to the technical field of plastic pipe production devices, and particularly relates to a plastic pipe production device for a shell-expanding type prestress grouting anchor rod.
Background
In the process of underground engineering, mine roadway, foundation pit and side slope engineering related to geotechnical engineering, a main supporting technology for reinforcing the stratum is to adopt anchor rods in order to prevent the stratum from deforming, collapsing or destabilizing to endanger safety. The anchor rod arranged in the stratum has high-strength tensile capacity, and the stratum is reinforced by means of tight combination between the anchor rod and grouting body around the anchor rod and the stratum, so that the integrity of the stratum is improved, and various mechanical effects such as shearing resistance, tensile resistance, compression resistance and the like are achieved, so that the stratum deformation is controlled, and the stratum is enabled to reach a stable and safe state.
The utility model provides a shell-expanding type prestressing force slip casting stock, it contains plastic tubing 50, plastic tubing 50 contains body 51, and body 51 surface has a plurality of archs 52, both can realize the stock centering, and it can have very strong area of contact with the castable after the castable solidifies simultaneously, increases its cohesion.
Based on this, there is a need for a device for producing plastic tubes for expansion shell type prestressed grouting anchors, which can be used for producing such plastic tubes.
Disclosure of Invention
The invention aims to provide a plastic pipe production device for a shell-expanding type prestress grouting anchor rod, which aims to solve the problems in the background technology.
In order to solve the technical problems, the aim of the invention is realized as follows:
the utility model provides a rise shell type prestressing force slip casting plastic tubing apparatus for producing for stock, includes extruder, aircraft nose, fixes mould and tractor at the aircraft nose, and the plastic tubing gets into tractor entry after extruding by the mould export, its characterized in that: the traction machine carries out secondary forming on the plastic pipe;
the traction machine comprises a machine body, traction mechanisms symmetrically arranged on the machine body and a driving mechanism for synchronously driving the two traction mechanisms to carry out traction in the same direction, wherein the two traction mechanisms can enclose a working cavity which completely surrounds the peripheral surface of the plastic pipe, and the inner cavity surface of the working cavity is attached to the peripheral surface of the plastic pipe and is provided with a plurality of depressions according to the requirement; the working chamber and recess provide a mold basis for the second forming of the plastic tube.
The die comprises an outer die and an inner die, a gap between the inner die and the outer die is used for extrusion molding of the plastic pipe, the inner die is provided with an air passage, and the inner cavity of the plastic pipe is communicated with an external compressed air source by the air passage;
The sealing plug is composed of a sealing part capable of sealing the inner cavity of the plastic pipe and a supporting rod with one end fixed at the outlet end of the inner die and the other end fixed at the sealing part;
the support rod and the sealing part are positioned in the inner cavity of the plastic pipe, the support rod extends axially along the plastic pipe to enable the sealing part to be positioned in the working cavity, a closed cavity is formed between the inner die and the sealing part in the inner cavity of the plastic pipe, so that after compressed gas is introduced before the plastic pipe is cooled and hardened, the plastic pipe expands towards the direction of filling the working cavity and the concave, the sealing part has a set distance from an inlet of the traction mechanism, the set distance is not less than the distance of the complete molding of the protrusions of the plastic pipe, and in addition, the axial length of the sealing part is enough to enable the sealing part to span a plurality of protrusions and keep good sealing with the inner wall of the plastic pipe.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: each traction mechanism comprises a transmission chain, a traction block continuously fixed on a chain link of the transmission chain, a driving sprocket meshed with the transmission chain and a driven sprocket, wherein the driving sprocket is fixed at a power output end of the driving mechanism, and the driving mechanism can synchronously drive the two driving sprockets to rotate, so that the two traction mechanisms synchronously move towards the same traction direction.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the traction block comprises a semicircular column groove and a plurality of pits positioned on the inner groove surface of the semicircular column groove, and is connected with the transmission chain towards the opposite side relative to the semicircular column groove.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the traction block extends out of the connecting plate towards the transmission chain, and two ends of a link pin column of the transmission chain extend through the connecting plate.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the semicircular column groove is axially provided with a plurality of shallow ring grooves along the inner groove surface, one of the plurality of shallow ring grooves has the effect of enabling the surface of the plastic pipe to form a plurality of ring-mounted bulges, further increasing the bonding strength between the anchor rod and the drilled hole after the anchor rod is mounted, and the other can enable the traction block and the plastic pipe to generate a stable and reliable traction force, so that the plastic pipe slides and misplaces in the traction process in a mode, and the quality of the plastic pipe is affected.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the joint surfaces of two traction blocks which are mutually adhered and encircled to form the working cavity of any two traction mechanisms are respectively provided with a positioning bulge and a positioning hole, the positioning bulge can be embedded into the positioning hole, the positioning bulge is of a frustum-shaped structure, the two traction blocks can be well positioned after being adhered, dislocation is prevented from being caused, the gap between the two traction blocks is increased, the surface quality of a plastic pipe is reduced, the plastic pipe is deformed due to dislocation, and the plastic pipe is scrapped.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the traction mechanism further comprises interval traction blocks which are arranged at intervals and set up behind the number of traction blocks, and the semi-cylindrical groove inner groove surfaces of the interval traction blocks are only provided with a plurality of shallow ring grooves, because the anchor rod has requirements on the length of the plastic pipe, and in order to facilitate assembly, the two ends of the plastic pipe are required to be provided with mounting sections 53 which do not need a protruding structure so as to facilitate the mounting of the plastic pipe, and then the interval traction blocks without depressions are arranged at intervals to meet the requirements.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the plastic pipe straightening machine also comprises a straightening mechanism positioned at the outlet of the traction mechanism, wherein the plastic pipe at the outlet of the traction mechanism also has certain residual temperature, so that certain bending can be generated after the plastic pipe is heated and rapidly cooled, and the plastic pipe with certain residual temperature is shaped and straightened by the straightening mechanism, so that the plastic pipe has good straightness.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the traction block stabilizing mechanism is positioned above the traction mechanism and can be pressed against the upper surface of the traction block, the traction block stabilizing mechanism is positioned close to the inlet of the traction mechanism and is stabilized by a plurality of rollers pressed on the upper surface of the traction block, so that the plastic pipe is prevented from moving in the expansion process of the plastic pipe; the traction mechanism tensioning adjustment mechanism is further included, and the traction mechanism tensioning adjustment mechanism can adjust the tensioning force of the transmission chain.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the machine body is divided into an upper frame body, a middle frame body and a lower frame body, the top surface of the middle frame body is provided with a track, the bottom surface of the upper frame body is fixedly provided with a plurality of rollers rolling along the track, the upper frame body is pushed to be close to a machine head of an extruder when production is to be carried out, the extruded plastic pipe is prevented from being bent before hardening, expansion is prevented from being generated before the plastic pipe does not enter a working cavity of a traction mechanism under the action of compressed air, and after the production is finished, the upper frame body is pushed to be far away from the extruder, and the upper frame body is subjected to debugging maintenance with a later stage and is prepared for next production; an adjusting mechanism for leveling the middle frame body is arranged between the bottom of the middle frame body and the top of the lower frame body.
The plastic pipe cutting machine also comprises a cutting mechanism positioned at the outlet of the tractor, and the plastic pipe is cut into fixed lengths.
Compared with the prior art, the invention has the following outstanding and beneficial technical effects: the plastic pipe for the expansion shell type prestress grouting anchor rod can be well produced, can be continuously produced, and has high production efficiency, good molding and high surface smoothness; in addition, the production equipment is simple in structure and low in failure rate, the working cavity which completely surrounds the peripheral surface of the plastic pipe is enclosed by the two traction mechanisms, the inner cavity surface of the working cavity is attached to the peripheral surface of the plastic pipe and provided with a plurality of pits according to requirements, in addition, compressed air is introduced into the pipe after the plastic pipe is extruded by the die through the extruder, and a closed cavity is formed by the inner cavity of the sealing part plastic pipe, so that the plastic pipe is subjected to bulge expansion molding in the working cavity before cooling and hardening.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the tractor body;
FIG. 3 is a perspective view of a traction block and drive train;
FIG. 4 is another angular perspective view of the traction block and drive train;
FIG. 5 is a front view of the traction block and drive train;
FIG. 6 is a left side view of the traction block and drive train;
FIG. 7 is a top view of the traction block and drive train;
FIG. 8 is a schematic diagram of a traction block stabilizing mechanism;
FIG. 9 is a schematic diagram of another traction block configuration;
FIG. 10 is a schematic view of a spacer traction block configuration;
FIG. 11 is a schematic view of the tractor moving to an operative position;
Fig. 12 is a schematic view of a plastic tube structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the drawings in the embodiments,
The plastic pipe production device for the expansion shell type prestress grouting anchor rod comprises an extruder 10, a machine head 11, a die 12 fixed on the machine head 11 and a tractor 40, wherein the plastic pipe 20 enters the tractor inlet 40 after being extruded from the outlet of the die 12, and the tractor 40 carries out secondary molding on the plastic pipe;
The tractor 40 comprises a machine body, wherein the machine body is divided into an upper frame body 46, a middle frame body 47 and a lower frame body 48, a track 471 is arranged on the top surface of the middle frame body 47, and a plurality of rollers 461 rolling along the track 471 are fixed on the bottom surface of the upper frame body 46;
the plastic pipe comprises an upper frame 46, a lower frame 46 and a plurality of plastic pipes 20, and is characterized by further comprising traction mechanisms 41 symmetrically arranged on the top surface of the upper frame 46 and driving mechanisms arranged in the machine body and synchronously driving the two traction mechanisms 41 to traction in the same direction, wherein the two traction mechanisms 41 can enclose a working cavity which completely surrounds the peripheral surface of the plastic pipe 20, the inner cavity surface of the working cavity is attached to the peripheral surface of the plastic pipe 20, and a plurality of pits 4112 are arranged according to requirements;
Specifically, each traction mechanism 41 includes a drive chain 412, a traction block 411 continuously fixed to links 4121/4122 of the drive chain 412, a drive sprocket 413 engaged with the drive chain 412, and a driven sprocket 414, the drive sprocket 413 being fixed to a power output end of a driving mechanism (not shown).
In this embodiment, the driving mechanism includes a driving motor, a reduction gear set with an input end fixedly connected with an output shaft of the driving motor, the reduction gear set has two power output shafts, and the two power output shafts are fixedly connected with driving sprockets 413 of the two traction mechanisms respectively for driving the two traction mechanisms 41 to move synchronously in opposite directions; the reduction gear set can comprise a main gear fixedly connected with the output shaft of the driving motor and reduction gears symmetrically arranged on two sides of the main gear, and the two reduction gears are fixedly connected with the driving sprocket through a transmission shaft, so that power transmission is realized.
The traction block 411 includes a semi-cylindrical groove 4111 and a plurality of pits 4112 located on the inner groove surface of the semi-cylindrical groove 4111, and the traction block 411 is connected to the drive chain 412 on the opposite side with respect to the semi-cylindrical groove 411.
The traction block 411 extends toward the drive chain 412 out of the connection plate 4115, and the link pins 415 of the drive chain 412 extend through the connection plate 4115 at respective ends.
The semi-cylindrical groove 4111 has a plurality of shallow ring grooves 4113 axially distributed along the inner groove surface thereof.
The joint surfaces of the two traction blocks 411, 411' of the working cavity formed by mutually abutting any two of the two traction mechanisms 41 are respectively provided with a positioning protrusion 4114 and a positioning hole 4114', and the positioning protrusion 4114 can be embedded into the positioning hole 4114 '.
The traction mechanism 41 further comprises a spacing traction block 411″ which is arranged to the rear of the set number of traction blocks 411 at intervals, and the semi-cylindrical groove inner groove surface of the spacing traction block 411″ is only provided with a plurality of shallow ring grooves 4113.
The die 12 comprises an outer die 121 and an inner die 122, a gap between the inner die and the outer die is used for extrusion molding of a plastic pipe, the inner die 122 is provided with an air passage 1221, an air passage outlet is communicated with an inner cavity of the plastic pipe, an air passage inlet is communicated with an air passage 13 arranged on the machine head 11, an air source connector 14 is fixed at the air passage 13 inlet, a compressed air source is connected to the air source connector 14, and the air passage 1221 is communicated with the inner cavity of the plastic pipe and an external compressed air source;
the plastic pipe sealing device also comprises a sealing plug 30, wherein the sealing plug 30 consists of a sealing part 32 capable of sealing the inner cavity of the plastic pipe and a supporting rod 31 with one end fixed at the outlet end of the inner die 122 and the other end fixed with the sealing part 32;
the support rod 31 and the sealing part 32 are positioned in the inner cavity of the plastic pipe, the support rod 31 extends along the axial direction of the plastic pipe to enable the sealing part 32 to be positioned in the working cavity, the inner cavity of the plastic pipe forms a closed cavity between the inner die 122 and the sealing part 32, and the sealing part 32 is at a set distance from the inlet of the traction mechanism 41.
The sealing part 32 is formed by stacking a plurality of sealing sheets which are penetrated in the axial direction of the supporting rod 31 and fixed at the front end of the supporting rod 31, and the tail part of the sealing part is fixed and pressed by the fixing nut 33.
Further, the sealing part 32 is composed of a plurality of sub sealing parts 321 spaced apart from each other in the axial direction by a set distance, each sub sealing part 321 comprising a plurality of sealing sheets stacked, the set distance being such that two or three sub sealing parts 321 are enough to prevent a problem of defective sealing caused by the concave inner surface of the plastic tube due to the generation of the protrusion of the plastic tube, and the number of sub sealing parts 321 is determined according to the capability of achieving good sealing of the inner cavity of the plastic tube.
The straightening mechanism 43 is arranged at the outlet of the traction mechanism 41, the straightening mechanism 43 consists of three rollers 431 with equilateral triangle centers connected, and each roller 431 has an arc-shaped concave 4311 on the surface, and the arc-shaped concave 4311 is attached to the outer peripheral surface of the plastic pipe 20.
The traction block stabilizing mechanism 45 is positioned above the traction mechanism 41 and can press the upper surface of the traction block 411; the traction block comprises symmetrical supports 453, a first roller 451 and a second roller group 452 which are positioned between the two supports 453 and the roller surface of which is pressed on the upper surface of the traction block, and a supporting shaft 454 for supporting the first roller 451 and the second roller group 452, wherein the first roller 451 is pressed on the buckling surface of the traction block which is buckled with each other, the second roller group 452 comprises two rollers which are arranged side by side and coaxial, the two rollers are pressed on the two sides of the buckling surface, and the first roller 451 and the second roller group 452 are alternately arranged.
The traction mechanism tensioning adjusting mechanism 42 comprises an adjusting block 421 arranged on the upper frame 46 and an adjusting groove 422 formed in the adjusting block 421, a transmission shaft 4141 of the driven gear 414 passes through the adjusting groove 422 and is fixed by tightening a fastening nut 4142, and when the fastening nut 4142 is loosened, the position of the driven gear 414 can be adjusted along the adjusting groove 422, so that the relative distance between the driving gear and the driven gear is changed, and the tensioning of the transmission chain is adjusted.
An adjusting mechanism 49 for leveling the middle frame 47 is arranged between the bottom of the middle frame 47 and the top of the lower frame 48; the adjusting mechanism 49 comprises a top plate 493 fixed at the bottom of the middle frame body, an adjusting stud 492 fixed at the bottom surface of the top plate 493 and an adjusting nut 49 which is positioned on the top surface of the lower frame body 48 and can rotate, and the adjusting stud 492 can move upwards or downwards by rotating the adjusting nut 49 through a tool, so that the middle frame body 47 is jacked up; the adjusting mechanism 49 is provided between the middle frame and the lower frame in plurality, so that the middle frame and the upper frame can be adjusted horizontally at the same time by adjusting each adjusting mechanism 49.
The plastic pipe forming machine also comprises a cooling fan 44, wherein an air outlet of the cooling fan 44 is aligned to the part of the traction mechanism 41 forming the working cavity, so that the plastic pipe is subjected to secondary forming and air cooling; further, in order to enhance the cooling effect, cooling fans are respectively disposed above and on both sides of the traction mechanism 41, thereby increasing the air supply amount and improving the cooling effect.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (8)
1. The utility model provides a plastic tubing apparatus for producing for shell-expanding prestressing force slip casting stock, includes extruder (10), aircraft nose (11), fixes mould (12) and tractor (40) at aircraft nose (11), and plastic tubing (20) get into tractor (40) entry after extruding by mould (12) export, its characterized in that: the tractor (40) performs secondary forming on the plastic pipe (20);
The traction machine (40) comprises a machine body, traction mechanisms (41) symmetrically arranged on the machine body and a driving mechanism for synchronously driving the two traction mechanisms (41) to carry out traction in the same direction, wherein the two traction mechanisms (41) can enclose a working cavity which completely surrounds the peripheral surface of the plastic pipe (20), the inner cavity surface of the working cavity is attached to the peripheral surface of the plastic pipe (20), and a plurality of depressions are arranged according to requirements;
The die (12) comprises an outer die (121) and an inner die (122), a gap between the inner die and the outer die is used for extrusion molding of the plastic pipe (20), the inner die (122) is provided with an air passage (1221), and the air passage (1221) communicates the inner cavity of the plastic pipe (20) with an external compressed air source;
The plastic pipe comprises a plastic pipe (20) and is characterized by further comprising a sealing plug (30), wherein the sealing plug (30) consists of a sealing part (32) capable of sealing the inner cavity of the plastic pipe (20) and a supporting rod (31) with one end fixed at the outlet end of the inner die (122) and the other end fixed with the sealing part (32);
The supporting rod (31) and the sealing part (32) are positioned in the inner cavity of the plastic pipe (20), the supporting rod (31) extends along the axial direction of the plastic pipe (20) to enable the sealing part (32) to be positioned in the working cavity, a closed cavity is formed between the inner die (122) and the sealing part (32) in the inner cavity of the plastic pipe (20), and the sealing part (32) is a set distance from the inlet of the traction mechanism (41);
the sealing part consists of a plurality of sub sealing parts which are mutually separated by a set distance along the axial direction, and each sub sealing part comprises a plurality of stacked sealing sheets;
Each traction mechanism (41) comprises a transmission chain (412), a traction block (411) continuously fixed on a chain link of the transmission chain (412), a driving sprocket (413) meshed with the transmission chain (412) and a driven sprocket (414), wherein the driving sprocket (413) is fixed on a power output end of the driving mechanism;
the traction block (411) comprises a semicircular column groove (4111) and a plurality of pits (4112) positioned on the inner groove surface of the semicircular column groove (4111), and the traction block (411) is connected with the transmission chain (412) towards the opposite side relative to the semicircular column groove (4111).
2. A production device of plastic pipe for expansion shell type prestress grouting anchor rod as claimed in claim 1, which is characterized in that: the traction block (411) extends out of the connecting plate (4115) towards the transmission chain (412), and the two ends of the link pin (415) of the transmission chain (412) respectively extend through the connecting plate (4115).
3. A production device of plastic pipe for expansion shell type prestress grouting anchor rod as claimed in claim 1, which is characterized in that: the semicircular column groove (4111) is axially provided with a plurality of shallow ring grooves (4113) along the inner groove surface.
4. A production device of plastic pipe for expansion shell type prestress grouting anchor rod as claimed in claim 1, which is characterized in that: the joint surfaces of the two traction blocks (411) which are mutually adhered and bound to form the working cavity of any one of the two traction mechanisms (41) are respectively provided with a positioning protrusion (4114) and a positioning hole (4114 '), and the positioning protrusions (4114) can be embedded into the positioning holes (4114').
5. A production device of plastic pipe for expansion shell type prestress grouting anchor rod as claimed in claim 1, which is characterized in that: the traction mechanism (41) further comprises interval traction blocks (411 ') which are arranged behind the preset number of traction blocks (411) at intervals, and the semi-cylindrical groove inner groove surfaces of the interval traction blocks (411') are only provided with a plurality of shallow ring grooves (4113).
6. A production device of plastic pipe for expansion shell type prestress grouting anchor rod as claimed in claim 1, which is characterized in that: also comprises an alignment mechanism (43) positioned at the outlet of the traction mechanism (41).
7. A production device of plastic pipe for expansion shell type prestress grouting anchor rod as claimed in claim 1, which is characterized in that: the traction block stabilizing mechanism (45) is positioned above the traction mechanism (41) and can be used for pressing the upper surface of the traction block (411); the traction mechanism tensioning adjustment mechanism (42) is also included.
8. A production device of plastic pipe for expansion shell type prestress grouting anchor rod as claimed in claim 1, which is characterized in that: the machine body is divided into an upper frame body (46), a middle frame body (47) and a lower frame body (48), a track (471) is arranged on the top surface of the middle frame body (47), and a plurality of rollers (461) rolling along the track (471) are fixed on the bottom surface of the upper frame body (46); an adjusting mechanism (49) for leveling the middle frame body (47) is arranged between the bottom of the middle frame body (47) and the top of the lower frame body (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125846.2A CN109291386B (en) | 2018-09-26 | 2018-09-26 | Plastic pipe production device for shell-expanding type prestress grouting anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125846.2A CN109291386B (en) | 2018-09-26 | 2018-09-26 | Plastic pipe production device for shell-expanding type prestress grouting anchor rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109291386A CN109291386A (en) | 2019-02-01 |
| CN109291386B true CN109291386B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811125846.2A Active CN109291386B (en) | 2018-09-26 | 2018-09-26 | Plastic pipe production device for shell-expanding type prestress grouting anchor rod |
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| CN (1) | CN109291386B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111823533B (en) * | 2020-06-19 | 2022-05-27 | 安徽博泰塑业科技有限公司 | Ultrahigh molecular weight polyethylene tubular product extrusion moulding device |
| CN112975382B (en) * | 2021-03-01 | 2024-11-08 | 浙江普泰克金属制品有限公司 | An assembly system for expansion shell type prestressed grouting anchor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1380177A (en) * | 2001-04-13 | 2002-11-20 | 郑锦帮 | Reinforced plastic pipe and forming equipment and pipe-making method |
| CN102791467A (en) * | 2009-10-19 | 2012-11-21 | 霍普曼国际有限公司 | Methods and devices for manufacturing biaxially oriented tubing |
| CN104736319A (en) * | 2012-09-26 | 2015-06-24 | 阿贝尔服务 | Method for manufacturing tubes and tube likely to be obtained by such a method |
| CN208946627U (en) * | 2018-09-26 | 2019-06-07 | 浙江普泰克金属制品有限公司 | A kind of expansion shell type prestressing force grouted anchor bar plastic tube process units |
-
2018
- 2018-09-26 CN CN201811125846.2A patent/CN109291386B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1380177A (en) * | 2001-04-13 | 2002-11-20 | 郑锦帮 | Reinforced plastic pipe and forming equipment and pipe-making method |
| CN102791467A (en) * | 2009-10-19 | 2012-11-21 | 霍普曼国际有限公司 | Methods and devices for manufacturing biaxially oriented tubing |
| CN104736319A (en) * | 2012-09-26 | 2015-06-24 | 阿贝尔服务 | Method for manufacturing tubes and tube likely to be obtained by such a method |
| CN208946627U (en) * | 2018-09-26 | 2019-06-07 | 浙江普泰克金属制品有限公司 | A kind of expansion shell type prestressing force grouted anchor bar plastic tube process units |
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| CN109291386A (en) | 2019-02-01 |
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