CN216865107U - Vibroflotation device with down-the-hole hammer - Google Patents
Vibroflotation device with down-the-hole hammer Download PDFInfo
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- CN216865107U CN216865107U CN202220647428.5U CN202220647428U CN216865107U CN 216865107 U CN216865107 U CN 216865107U CN 202220647428 U CN202220647428 U CN 202220647428U CN 216865107 U CN216865107 U CN 216865107U
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Abstract
The utility model relates to a vibroflotation device with a down-the-hole hammer, which comprises a vibroflotation device shell, a motor gland, the down-the-hole hammer and a down-the-hole hammer guide sleeve, wherein the head end of the vibroflotation device shell is provided with a vibroflotation head protective cap, the center of the vibroflotation head protective cap is provided with an installation hole for the tail end of the down-the-hole hammer guide sleeve to enter and exit, the head end of the vibroflotation device shell is also provided with a first channel, the tail end of the motor gland is provided with an inlet, the outer side of the vibroflotation device shell is provided with a channel plate, the inner part of the channel plate is provided with a second channel, and the inner part of the motor gland is also provided with a third channel for communicating the tail end of the second channel with the inlet. The down-the-hole hammer is additionally arranged at the bottom of the vibroflot, when the vibroflot touches a hard layer, the hard layer is hammered by utilizing the vertical force of the down-the-hole hammer, and the effect of horizontal and vertical is greatly higher than that of an independent vibroflot; the vibroflotation device with the down-the-hole hammer has the advantages that the vibroflotation device penetrates through a hard layer, vibroflotation equipment is protected, and the service life of the vibroflotation equipment is prolonged.
Description
Technical Field
The utility model relates to a vibroflot with a down-the-hole hammer, and belongs to the technical field of vibroflots.
Background
In the field of composite foundation construction, vibroflotation piles have become the main technical means for improving the bearing capacity of the foundation and reducing settlement. The existing vibroflotation method is usually adopted for building vibroflotation piles, and is also called vibroflotation method, wherein a vibroflotation device is hoisted by a crane, a vibroflotation motor is started to drive an eccentric block, so that a vibrator generates high-frequency vibration, a water pump is started at the same time, high-pressure water flow is sprayed through a nozzle, under the combined action of simultaneous vibration and simultaneous impact, the vibrator is sunk to a preset depth in soil, broken stones are filled into the hole section by section from the ground after the hole is cleaned, the broken stones are compacted under the action of vibration, the vibrator can be lifted after the required compactness is achieved, and the process is repeated until the ground. Therefore, a large-diameter compact pile body can be formed in the foundation and forms a composite foundation with the original foundation, so that the bearing capacity of the foundation can be effectively improved, the settlement can be reduced, the method is widely applied to the aspects of treating soil liquefaction, reducing mountain landslides, increasing the soil shock resistance and the like, and the method is a rapid, economic and effective reinforcement method.
The vibroflotation device is a special tool in vibroflotation construction, and can generate horizontal transverse vibration force to vibrate and compact the filler and the surrounding soil body, thereby achieving the purposes of improving the bearing capacity of the foundation, reducing the settlement, improving the stability of the foundation and improving the shock resistance. In the construction process, due to different geological conditions, the requirements on the power, the amplitude and the exciting force of the vibroflot are different.
In the vibroflotation construction process, when the stratum is hard, the horizontal vibration generated by the vibroflotation device is hard to penetrate through the hard layer. Especially, when the vibroflot encounters rocks, corallites or other hard formations during hole making, the vibroflot cannot penetrate or has low efficiency of penetrating, and is easy to damage equipment, especially a vibroflot motor.
The common vibroflotation device mainly depends on a vibroflotation motor to drive an eccentric block during working, so that a vibrator generates high-frequency vibration, a water pump is started at the same time, high-pressure water flow is sprayed through a nozzle to perform vibroflotation construction, the vibroflotation small head at the end part is mainly worn and cannot penetrate when touching rocks or hard layers, the penetration efficiency is low, the vibroflotation small head is greatly worn, the vibroflotation small head needs to be replaced after being worn to a water leakage hole, and the time and the economic cost are increased.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a vibroflot with a down-the-hole hammer, which has the following specific technical scheme:
the vibroflot with the down-the-hole hammer comprises a vibroflot shell, a motor gland arranged at the tail end of the vibroflot shell, the vibroflot and a down-the-hole hammer guide sleeve, wherein a vibroflot protective cap is arranged at the head end of the vibroflot shell, the tail end of the vibroflot protective cap is fixedly connected with the head end of the vibroflot shell, a mounting hole for the tail end of the down-the-hole hammer guide sleeve to enter and exit is arranged in the center of the vibroflot protective cap, the tail end of the down-the-hole hammer guide sleeve is arranged in the mounting hole, the tail end of the down-the hammer guide sleeve is fixedly connected with the head end of the vibroflot shell, a first channel is further arranged at the head end of the vibroflot shell, the hammer head of the down-the hammer is arranged outside the down-the hammer guide sleeve, and the hammer body of the down-the hammer is arranged in the down-the hammer guide sleeve; the end of the motor gland is provided with an inlet, a channel plate is installed on the outer side of the vibroflot shell, a second channel is arranged inside the channel plate, the head end of the second channel is communicated with the first channel, and a third channel used for communicating the tail end of the second channel with the inlet is further arranged inside the motor gland.
As an improvement of the technical scheme, the cross section of the periphery of the tail part of the vibration head protective cap is circular, and the head part of the vibration head protective cap is of a conical structure.
As an improvement of the technical scheme, the head part of the head vibration protective cap is also provided with a plurality of assembling holes.
As an improvement of the technical scheme, a plurality of circles of dustproof rings are arranged between the tail of the down-the-hole hammer guide sleeve and the hole wall of the mounting hole.
As an improvement of the technical scheme, a water return channel is arranged on one side of the vibroflot shell, a water return hole communicated with the water return channel is further formed in the motor gland, and a plurality of water spraying holes are further formed in the head portion of the vibroflot protective cap.
As the improvement of the technical scheme, the section of the water spraying hole close to the head end of the head vibration protection cap is of a screw hole structure.
According to the vibroflotation device with the down-the-hole hammer, the down-the-hole hammer is additionally arranged at the bottom of the vibroflotation device, so that when the hard layer is touched, the hard layer can be hammered by using the vertical force of the down-the-hole hammer, and the effect of horizontal and vertical is greatly higher than that of a single vibroflotation device; the vibroflotation device with the down-the-hole hammer has the advantages that the effect of penetrating the hard layer of the vibroflotation device is improved, vibroflotation equipment is protected, and the service life of the vibroflotation equipment is prolonged.
Drawings
FIG. 1 is a schematic structural view of a vibro-hammer with a down-the-hole hammer according to the present invention;
FIG. 2 is an internal schematic view of the vibro-hammer of the present invention;
FIG. 3 is a schematic structural view (in a top view) of the vibroflot with a down-the-hole hammer of the present invention;
FIG. 4 is a schematic view of the connection of the water return channel, the water spray holes and the water return holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, the vibroflot with the down-the-hole hammer includes a vibroflot housing 10 and a motor gland 20 installed at the tail end of the vibroflot housing 10, and the vibroflot housing 10 and the motor gland 20 are both components of a conventional vibroflot, and detailed structure is not repeated.
As shown in fig. 1-3, the vibroflot with a down-the-hole hammer further includes a down-the-hole hammer 60 and a down-the-hole hammer guide sleeve 40, the head end of the vibroflot housing 10 is provided with a vibroflot helmet 50, the tail end of the vibroflot helmet 50 is fixedly connected with the head end of the vibroflot housing 10, the center of the vibroflot helmet 50 is provided with a mounting hole for the tail end of the down-the-hole hammer guide sleeve 40 to enter and exit, the tail end of the down-the-hole hammer guide sleeve 40 is arranged inside the mounting hole and the tail end of the down-the-hole hammer guide sleeve 40 is fixedly connected with the head end of the vibroflot housing 10, the head end of the vibroflot housing 10 is further provided with a first channel 11 for supplying air/liquid to the down-the hammer 60, the hammer head of the down-the hammer 60 is arranged outside the down-the hole hammer guide sleeve 40; the end of the motor gland 20 is provided with an inlet 21, the outside of the vibroflot shell 10 is provided with a channel plate 30, the inside of the channel plate 30 is provided with a second channel 31, the head end of the second channel 31 is communicated with the first channel 11, and the inside of the motor gland 20 is further provided with a third channel 22 for communicating the tail end of the second channel 31 with the inlet 21.
The down-the-hole hammer 60 can be of a conventional structure, such as a QK type down-the-hole impact hammer of Zhangjiakou Xuanchang rock drilling machinery Limited company, and adopts the down-the-hole hammer guide sleeve 40, so that on one hand, the installation is convenient, and the universality is improved; on the other hand, considering that the tool bit of the vibro-hammer is worn greatly when penetrating a hard layer, the tool bit is built in, and a tool bit protector 50 for protecting the down-the-hole hammer 60 and the tool bit is attached to the outside of the tool bit, and a down-the-hole hammer guide 40 is attached to prevent the tool bit of the down-the-hole hammer 40 from being damaged during construction. Preferably, the vibration head protective cap 50 and the down-the-hole hammer guide sleeve 40 are both made of high-quality wear-resistant steel, and a wear-resistant layer is welded on the outer surface of the vibration head protective cap.
The down-the-hole hammer is additionally arranged at the bottom of the vibroflot, so that when a hard layer is touched, the hard layer can be hammered by utilizing the vertical force of the down-the-hole hammer, and the horizontal and vertical effects are greatly higher than those of an independent vibroflot.
The utility model aims to improve the effect of the vibroflotation device penetrating through the hard layer, protect vibroflotation equipment and prolong the service life of the vibroflotation equipment.
The down-the-hole hammer is arranged at the bottom of the vibroflot on the basis of a common vibroflot, and is realized by improving a motor gland of the vibroflot, additionally arranging a channel plate 30, a down-the-hole hammer guide sleeve 40, a vibration head protective cap 50 and the like. Because the power source of the down-the-hole hammer is mostly hydraulic or high-pressure air, the utility model adds an air path or an oil path leading to the down-the-hole hammer on the basis of the common vibrohammer to realize the work of the down-the-hole hammer, and opens a control valve for controlling air or oil when the down-the-hole hammer needs to work in actual construction, and closes the valve when the down-the-hole hammer does not need to work.
Taking the air pressure source as an example, after high-pressure air passes through the inlet 21, the third channel 22, the second channel 31 and the first channel 11 in sequence, the first channel 11 is communicated with the air inlet of the down-the-hole hammer 60, and the high-pressure air provides air source power for the down-the-hole hammer 60, so that the down-the-hole hammer 60 is driven to perform rock breaking operation.
The vibrating punch head is internally provided with a vibrating punch head protecting cap 50 for protecting the vibrating punch head, and the vibrating punch head protecting cap 50 can be directly replaced by a new vibrating punch head protecting cap after being seriously worn.
The specification and the power of the vibroflot are not limited, and the vibroflot can be used together with a down-the-hole hammer.
Example 2
In order to further reduce the resistance, the outer circumference cross section of the tail part of the vibration head protective cap 50 is circular, and the head part of the vibration head protective cap 50 is in a conical structure.
Example 3
Usually, for the purpose of easy disassembly, the head of the vibration head cap 50 is fixed by means of bolts, and a plurality of assembling holes 51 for installing bolts are further formed at the head part of the vibration head cap.
Example 4
And a plurality of circles of dustproof rings 70 are arranged between the tail part of the down-the-hole hammer guide sleeve 40 and the hole wall of the mounting hole. Due to the arrangement of the dust ring 70, the sealing performance between the down-the-hole hammer guide sleeve 40 and the hole wall of the mounting hole can be improved, so that the dustproof effect is improved, and dust, slurry, broken stone foam and other impurities are prevented from entering the interior of the vibroflot.
Example 5
As shown in fig. 4, a water return channel 12 is disposed at one side of the vibroflot housing 10, a water return hole 23 communicated with the water return channel 12 is further disposed at the motor gland 20, and a plurality of water spray holes 52 are further disposed at a head portion of the vibration head protective cap 50.
The water return channel 12 and the water return hole 23 are both conventional structures of the existing vibroflots, and the vibroflots with the down-the-hole hammers can be constructed by a vibroflot water flushing method and a vibroflot dry method by arranging the water spray holes 52, the vibroflot protective cap 50 is provided with two water spray holes 52, and furthermore, the section of the water spray holes 52 close to the head end of the vibroflot protective cap 50 is in a screw hole structure; the water jet holes 52 may be sealed with plugs when dry construction is used. The water return channel 12 and the water return hole 23 are used for cooling the motor in the vibroflot.
In the embodiment, the down-the-hole hammer is additionally arranged at the bottom of the vibroflot, so that when the vibroflot touches a hard layer, the hard layer can be hammered by utilizing the vertical force of the down-the-hole hammer, and the horizontal and vertical effects are greatly higher than those of a single vibroflot; the vibroflotation device with the down-the-hole hammer has the advantages that the vibroflotation device penetrates through a hard layer, vibroflotation equipment is protected, and the service life of the vibroflotation equipment is prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a take down-hole hammer shake towards ware, includes shake towards ware casing (10), install motor gland (20) that shake towards ware casing (10) tail end, its characterized in that: the down-the-hole hammer is characterized by further comprising a down-the-hole hammer (60) and a down-the-hole hammer guide sleeve (40), wherein a vibrating head protective cap (50) is arranged at the head end of the vibroflot shell (10), the tail end of the vibrating head protective cap (50) is fixedly connected with the head end of the vibroflot shell (10), a mounting hole for the tail end of the down-the-hole hammer guide sleeve (40) to enter and exit is formed in the center of the vibrating head protective cap (50), the tail end of the down-the-hole hammer guide sleeve (40) is arranged inside the mounting hole, the tail end of the down-the-hole hammer guide sleeve (40) is fixedly connected with the head end of the vibroflot shell (10), a first channel (11) is further formed in the head end of the vibroflot shell (10), the hammer head of the down-the hammer (60) is arranged outside the down-the hole hammer guide sleeve (40); the utility model discloses a vibration damper, including motor gland (20), channel plate (30), first passageway (31), first passageway (11), second passageway (31) and third passageway (22) that are used for communicateing second passageway (31) tail end and import (21) are still provided with in the inside of motor gland (20), channel plate (30) are installed to the outside of vibroflot casing (10), the inside of channel plate (30) is provided with second passageway (31), the head end and the first passageway (11) intercommunication of second passageway (31), the inside of motor gland (20) is provided with and is used for communicateing third passageway (22) of second passageway (31) tail end and import (21).
2. A vibro-hammer with a down-the-hole hammer as set forth in claim 1, characterized in that: the outer peripheral cross section of the tail part of the vibration head protective cap (50) is circular, and the head part of the vibration head protective cap (50) is of a conical structure.
3. A vibro-hammer with down-the-hole hammer as set forth in claim 1, characterized in that: the head part of the head-vibrating protective cap (50) is also provided with a plurality of assembling holes (51).
4. A vibro-hammer with a down-the-hole hammer as set forth in claim 1, characterized in that: and a plurality of circles of dustproof rings (70) are arranged between the tail part of the down-the-hole hammer guide sleeve (40) and the hole wall of the mounting hole.
5. A vibro-hammer with a down-the-hole hammer as set forth in claim 1, characterized in that: a water return channel (12) is arranged on one side of the vibroflot shell (10), a water return hole (23) communicated with the water return channel (12) is further formed in the motor gland (20), and a plurality of water spray holes (52) are further formed in the head of the vibroflot protective cap (50).
6. A vibro-hammer according to claim 5, characterized by: the section of the water spray hole (52) close to the head end of the vibration head protective cap (50) is of a screw hole structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647428.5U CN216865107U (en) | 2022-03-23 | 2022-03-23 | Vibroflotation device with down-the-hole hammer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647428.5U CN216865107U (en) | 2022-03-23 | 2022-03-23 | Vibroflotation device with down-the-hole hammer |
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| Publication Number | Publication Date |
|---|---|
| CN216865107U true CN216865107U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220647428.5U Active CN216865107U (en) | 2022-03-23 | 2022-03-23 | Vibroflotation device with down-the-hole hammer |
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| CN (1) | CN216865107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115748655A (en) * | 2022-11-30 | 2023-03-07 | 北京振冲工程机械有限公司 | Hydraulic vibroflotation device |
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2022
- 2022-03-23 CN CN202220647428.5U patent/CN216865107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115748655A (en) * | 2022-11-30 | 2023-03-07 | 北京振冲工程机械有限公司 | Hydraulic vibroflotation device |
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