CN220667599U - Anchor rod pushing device - Google Patents
Anchor rod pushing device Download PDFInfo
- Publication number
- CN220667599U CN220667599U CN202321966152.8U CN202321966152U CN220667599U CN 220667599 U CN220667599 U CN 220667599U CN 202321966152 U CN202321966152 U CN 202321966152U CN 220667599 U CN220667599 U CN 220667599U
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- CN
- China
- Prior art keywords
- anchor rod
- shaft
- sleeve
- shell
- hydraulic motor
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 239000011347 resin Substances 0.000 abstract description 5
- 229920005989 resin Polymers 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an anchor rod pushing device which is used for pushing an expanding shell type anchor rod in tunnel anchor rod support and comprises a box body, a locking mechanism, an anchor rod tensioning mechanism, a rotary joint and a sliding plate, wherein the locking mechanism and the anchor rod tensioning mechanism are respectively arranged at two ends of the box body, the locking mechanism is provided with a sleeve for locking the anchor rod, and the anchor rod tensioning mechanism is provided with a drawing shaft which can be connected with the anchor rod and axially move; the rotary joint is connected with the anchor rod tensioning mechanism, and the sliding plate is connected with the arm support in a sliding manner and can slide on the arm support. The utility model relates to an anchor rod propelling device, which is a device for installing a prestressed anchor rod and a resin anchor rod, wherein a hydraulic motor and a hydraulic oil cylinder are used as power sources, and a tensioning mechanism can directly act on the anchor rods, so that each anchor rod generates the same prestress, the distance between the end face of the anchor rod and a nut can be effectively controlled, and the anchor rod installation quality is improved.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to an anchor rod pushing device.
Background
Along with the mechanized replacement of people proposed and gradually popularized in the field of engineering construction by China, the implementation of automatic people reduction regulations is carried out, the anchor rod trolley is important primary support equipment in the construction of railway and highway weak surrounding rock tunnels in China, the great advantage of the anchor rod trolley is gradually applied to the railway and highway tunnels, and meanwhile, the traditional manual installation is gradually replaced by the mechanized construction.
At present, the anchor rod trolley at home and abroad adopts a screw nut screwing mode to enable the anchor rod to generate prestress when the anchor rod is installed, the friction resistance difference between the screw nut threads and the anchor rod threads and between the screw nut and the backing plate is larger in installation in the mode, under the condition of constant screw torque, the prestress generated by the anchor rod is greatly different, the shell expanding sliding sheets are not pre-opened due to the fact that the shell expanding sliding sheets are expanded, the shell expanding head can generate larger retreating quantity when the screw nut is rotated, the distance of the anchor rod from the screw nut is relatively longer and is quite uneven, and meanwhile, the defects that the data acquisition accuracy is not high after informatization is adopted in equipment are overcome.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an anchor rod pushing device.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a stock pusher for the pushing of shell-like stock that rises in tunnel anchor bolt support, includes box, locking mechanism, stock straining device, swivel joint and slide, locking mechanism and stock straining device are installed respectively at the both ends of box, locking mechanism is provided with the sleeve that is used for locking the stock, stock straining device is provided with and draws the axle, draw the axle and can be connected and axial displacement with the stock; the rotary joint is connected with the anchor rod tensioning mechanism, and the sliding plate is connected with the arm support in a sliding manner and can slide on the arm support.
Specifically, the locking mechanism comprises a first hydraulic motor and a sleeve shaft, wherein the first hydraulic motor is fixedly arranged on the box body, the first hydraulic motor is connected with a driving shaft, driving teeth are arranged on the driving shaft and meshed with driven teeth, and the driven teeth are arranged on the sleeve shaft.
Specifically, the driving shaft and the sleeve shaft are both arranged on the box body through bearings, and the tail end of the sleeve shaft is connected with the sleeve through threads.
Specifically, stock straining device includes hydraulic motor two, hydraulic cylinder and draws the axle, hydraulic motor two installs on the box, and hydraulic motor two's output shaft drive shaft two sets up drive tooth two on the drive shaft two, drive tooth two and driven tooth two meshing, driven tooth two sets up at the drive sleeve, and the drive sleeve passes through the bearing and installs on the box, draw the axle to pass the drive sleeve and be connected with hydraulic cylinder.
Specifically, the drawing shaft passes through the driving sleeve in a spline mode; the drawing shaft is a stepped shaft, the head of the drawing shaft is provided with a threaded sleeve and is positioned in the sleeve shaft, the cylinder body and the piston of the hydraulic oil cylinder are of hollow structures, the drawing shaft penetrates through the piston of the hydraulic oil cylinder, the tail of the drawing shaft is fixed at one end of the piston through a nut, and the other end of the piston is limited with the stepped surface of the drawing shaft through a baffle plate.
Specifically, the rotary joint comprises a shell, a rotating shaft, a limiting plate and a limiting seat, wherein an oil seal and a locating sleeve are arranged in the shell, the rotating shaft penetrates through the locating sleeve and the oil seal to be installed in the shell, the limiting plate is fixed with the lower portion of the shell through a bolt, the limiting plate is movably connected with the limiting seat, and the limiting seat is fixedly installed on a sliding plate.
Specifically, one end of the rotating shaft is connected with the sealing plate through a bolt, the other end of the rotating shaft is fixedly connected with the drawing shaft, the limiting seat is provided with a sliding groove, and the limiting plate is arranged in the sliding groove; the shell is of a hollow structure and is provided with a grouting opening and communicated with the grouting opening, the rotating shaft is of a hollow structure, and the rotating shaft is positioned in the hollow structure and is provided with a grouting channel.
Specifically, the drawing shaft is of a hollow structure, and the grouting channels are formed by the drawing shaft, the rotating shaft internal channel and the grouting openings in the shell.
Based on the technical scheme, the following technical effects can be produced:
1. the utility model adopts a tensioning type installation mode, and the acting force is directly acted on the anchor rods through the drawing shaft, so that the tension force born by the anchor rods can be accurately controlled, the prestress generated by each anchor rod is the same, and the tension force born by the anchor rods can be intuitively reflected;
2. the stretching type installation adopts a pre-opened shell-expanding sliding sheet, and when the anchor rod is pulled again, the shell-expanding head is less in retreating and the pulled-out distance is smaller, so that the distance of the anchor rod from the nut can be effectively controlled, and the installation quality of the anchor rod can be further improved;
3. the anchor rod pushing device can not only be used for installing the expansion shell type anchor rod, but also be used for installing the resin anchor rod, and the anchor rod pushing device can drive the anchor rod to rotate at a high speed, so that resin cartridges are fully mixed in a short time, and the installation efficiency and quality of the resin anchor rod are improved.
Drawings
FIG. 1 is a construction diagram of an anchor rod pushing device provided by the utility model;
FIG. 2 is a schematic view of a locking mechanism according to the present utility model;
FIG. 3 is a construction view of an anchor tensioning mechanism provided by the present utility model;
FIG. 4 is a schematic view of a drawing shaft mounting structure of the present utility model;
FIG. 5 is a front view of a swivel joint provided by the utility model;
FIG. 6 is a top view of a swivel joint according to the present utility model
Fig. 7 is a schematic view of a shell-and-swell type anchor rod.
In the figure, the box body is 1-, the locking mechanism is 3-, the tensioning mechanism is 4-, the swivel joint is 5-, the sliding plate is 6-, the backing plate is 7-, the anchor rod body is 8-, the sliding plate is 9-, the sleeve is 31-, the hydraulic motor is 32-, the sleeve shaft is 33-, the driving teeth are 34-arranged, the driving shaft is 35-arranged, the driven teeth are 36-arranged, the hydraulic cylinder is 41-arranged, the hydraulic motor is 42-arranged, the driving teeth are 43-arranged, the driving shaft is 44-arranged, the driven teeth are 45-arranged, the driving sleeve is 46-arranged, the pulling shaft is 47-arranged, the blocking plate is 48-arranged, and the box is 51-arranged, the oil seal is 52-arranged, the rotating shaft is 53-arranged, the locating sleeve is 54-arranged, and the limiting plate is 56-arranged.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-7, an anchor rod pushing device is used for pushing an expanding shell type anchor rod in tunnel anchor rod support and comprises a box body 1, a locking mechanism 3, an anchor rod tensioning mechanism 4, a rotary joint 5 and a sliding plate 6, wherein the locking mechanism 3 and the anchor rod tensioning mechanism 4 are respectively arranged at two ends of the box body 1, the locking mechanism 3 is provided with a sleeve 31 for locking the anchor rod, the anchor rod tensioning mechanism 4 is provided with a drawing shaft 47, and the drawing shaft 47 can be connected with the anchor rod and axially move; the swivel joint 5 is connected with the anchor rod tensioning mechanism 4, and the sliding plate 6 is connected with the arm support in a sliding manner and can slide on the arm support.
According to a possible embodiment, the locking mechanism 3 comprises a first hydraulic motor 32 and a sleeve shaft 33, the first hydraulic motor 32 is fixedly mounted on the case 1, the first hydraulic motor 32 is connected with a driving shaft 35, driving teeth 34 are arranged on the driving shaft 35, the driving teeth 34 are meshed with driven teeth 36, and the driven teeth 36 are arranged on the sleeve shaft 33.
According to a possible embodiment, the drive shaft 35 and the quill 33 are both mounted to the housing 1 by bearings, the end of the quill 33 being connected to the quill 31 by threads.
According to one possible embodiment, the anchor tensioning mechanism 4 comprises a second hydraulic motor 42, a hydraulic oil cylinder 41 and a drawing shaft 47, the second hydraulic motor 42 is installed on the box 1, an output shaft of the second hydraulic motor 42 is connected with a second driving shaft 44, a second driving tooth 43 is arranged on the second driving shaft 44, the second driving tooth 43 is meshed with a second driven tooth 45, the second driven tooth 45 is arranged on a driving sleeve 46, the driving sleeve 46 is installed on the box 1 through a bearing, and the drawing shaft 47 passes through the driving sleeve 46 and is connected with the hydraulic oil cylinder 41.
According to a possible embodiment, the drawing shaft 47 passes through the driving sleeve 46 in the form of a spline; the drawing shaft 47 is a stepped shaft, the head of the drawing shaft 47 is provided with a threaded sleeve and is positioned in the sleeve shaft 33, the cylinder body and the piston of the hydraulic oil cylinder 41 are of hollow structures, the drawing shaft 47 penetrates through the piston of the hydraulic oil cylinder 41, the tail of the drawing shaft 47 is fixed at one end of the piston through a nut, and the other end of the piston is limited with the stepped surface of the drawing shaft 47 through a baffle 48.
According to one possible embodiment, the swivel joint 5 includes a housing 51, a rotating shaft 53, a limiting plate 55 and a limiting seat 56, an oil seal 52 and a positioning sleeve 54 are disposed in the housing 51, the rotating shaft passes through the positioning sleeve 54 and the oil seal 52 and is installed in the housing 51, the limiting plate 55 is fixed to the lower portion of the housing 51 through bolts, the limiting plate 55 is movably connected with the limiting seat 56, and the limiting seat 56 is fixedly installed on the sliding plate 6.
According to a possible embodiment, one end of the rotating shaft 53 is connected with the sealing plate through a bolt, the other end is fixedly connected with the drawing shaft 47, the limiting seat 56 is provided with a sliding groove, and the limiting plate 55 is installed in the sliding groove; the shell 51 is of a hollow structure and is provided with a grouting opening and communicated with the grouting opening, the rotating shaft 53 is of a hollow structure, and the rotating shaft 53 is positioned in the hollow structure and is provided with a grouting channel.
According to one possible embodiment, the drawing shaft 47 is of a hollow structure, and the drawing shaft 47, the internal channel of the rotating shaft 53 and the grouting openings on the housing 51 form a grouting channel.
The working process of the anchor rod pushing device provided by the utility model is as follows:
s1, loading an anchor rod: the anchor rod pushing device pushes the aligned anchor rod, and the hydraulic motor II 42 is started to drive the driving sleeve 46 so that the threaded sleeve at the front end of the drawing shaft 47 is screwed into the anchor rod;
s2, delivering rods: the anchor rod pushing device continues to push forward to send the anchor rod into the drilled hole in the surrounding rock;
s3, pretensioning the expanding shell: the second hydraulic motor 42 is started again to drive the anchor rod body 8 to rotate, and the anchor rod body 8 pushes the sliding sheet 9 to move and open to contact surrounding rock;
s4, tensioning an anchor rod: the second hydraulic motor 42 is turned off, the hydraulic oil cylinder 41 starts and drives the drawing shaft 47 to drive the anchor rod body 8 to retract, the sliding sheet 9 is contacted with surrounding rock, and the sliding sheet 9 can be fixed on the surrounding rock when being tensioned;
s5, locking the anchor rod: the hydraulic motor 32 is started to drive the sleeve 31 to rotate while the tension of the hydraulic oil cylinder 41 is maintained, so that nuts on the anchor rods are locked on the backing plates 7;
s6, grouting: starting the grouting system until the pressure reaches the set pressure, and enabling the slurry to enter the anchor rod through a grouting opening in the shell 51 and the drawing shaft 47;
s7, wire stripping: the second reversing hydraulic motor 42 drives the drawing shaft 47 to reversely rotate so as to separate the anchor rod from the drawing shaft 47, and the anchor rod pushing device returns to the original position.
The utility model provides an anchor rod pushing device, which is a device for installing a prestressed anchor rod and a resin anchor rod, and consists of a hydraulic motor and a hydraulic oil cylinder as power sources and a locking mechanism, a tensioning mechanism, a rotary joint, a box body and the like.
The present utility model has been described in detail with reference to the drawings and the embodiments, but the present utility model is not limited to the embodiments described above, and various changes can be made within the scope of those skilled in the art without departing from the spirit of the present utility model. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a stock pusher for the propelling movement of shell-like stock that rises in tunnel anchor bolt support, includes box (1), locking mechanism (3), stock straining device (4), swivel joint (5) and slide (6), its characterized in that, locking mechanism (3) and stock straining device (4) are installed respectively at the both ends of box (1), locking mechanism (3) are provided with sleeve (31) that are used for locking the stock, stock straining device (4) are provided with and draw axle (47), draw axle (47) can be connected and axial displacement with the stock; the rotary joint (5) is connected with the anchor rod tensioning mechanism (4), and the sliding plate (6) is connected with the arm support in a sliding way and can slide on the arm support; the anchor rod tensioning mechanism (4) comprises a second hydraulic motor (42), a hydraulic oil cylinder (41) and a drawing shaft (47), wherein the second hydraulic motor (42) is installed on the box body (1), an output shaft of the second hydraulic motor (42) is connected with a second driving shaft (44), a second driving tooth (43) is arranged on the second driving shaft (44), the second driving tooth (43) is meshed with a second driven tooth (45), the second driven tooth (45) is arranged on a driving sleeve (46), the driving sleeve (46) is installed on the box body (1) through a bearing, and the drawing shaft (47) penetrates through the driving sleeve (46) to be connected with the hydraulic oil cylinder (41); the drawing shaft (47) passes through the driving sleeve (46) in a spline mode; the drawing shaft (47) is a step shaft, the head of the drawing shaft is provided with a threaded sleeve and is positioned in the sleeve shaft (33), the cylinder body and the piston of the hydraulic oil cylinder (41) are of hollow structures, the drawing shaft (47) penetrates through the piston of the hydraulic oil cylinder (41), the tail of the drawing shaft (47) is fixed at one end of the piston through a nut, and the other end of the piston is limited with the step surface of the drawing shaft (47) through a baffle (48).
2. A bolt pushing device according to claim 1, characterized in that the locking mechanism (3) comprises a first hydraulic motor (32) and a sleeve shaft (33), the first hydraulic motor (32) is fixedly mounted on the housing (1), the first hydraulic motor (32) is connected with a drive shaft (35), the drive shaft (35) is provided with drive teeth (34), the drive teeth (34) are engaged with driven teeth (36), and the driven teeth (36) are arranged on the sleeve shaft (33).
3. A bolt pushing device according to claim 2, characterized in that the drive shaft (35) and the quill (33) are both mounted to the housing (1) by means of bearings, the end of the quill (33) being connected to the sleeve (31) by means of a screw thread.
4. The anchor rod pushing device according to claim 1, wherein the swivel joint (5) comprises a shell (51), a rotating shaft (53), a limiting plate (55) and a limiting seat (56), an oil seal (52) and a positioning sleeve (54) are arranged in the shell (51), the rotating shaft penetrates through the positioning sleeve (54) and the oil seal (52) to be installed in the shell (51), the limiting plate (55) is fixed with the lower portion of the shell (51) through a bolt, the limiting plate (55) is movably connected with the limiting seat (56), and the limiting seat (56) is fixedly installed on the sliding plate (6).
5. The anchor rod pushing device according to claim 4, wherein one end of the rotating shaft (53) is connected with the sealing plate through a bolt, the other end of the rotating shaft is fixedly connected with the drawing shaft (47), the limiting seat (56) is provided with a sliding groove, and the limiting plate (55) is installed in the sliding groove; the shell (51) is of a hollow structure and is provided with a grouting port and communicated with the grouting port, the rotating shaft (53) is of a hollow structure, and the rotating shaft (53) is positioned in the hollow structure and is provided with a grouting channel.
6. The anchor rod pushing device according to claim 1, wherein the drawing shaft (47) is of a hollow structure, and the grouting channels are formed by the drawing shaft (47), an internal channel of the rotating shaft (53) and a grouting opening on the shell (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321966152.8U CN220667599U (en) | 2023-07-25 | 2023-07-25 | Anchor rod pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321966152.8U CN220667599U (en) | 2023-07-25 | 2023-07-25 | Anchor rod pushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667599U true CN220667599U (en) | 2024-03-26 |
Family
ID=90327060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321966152.8U Active CN220667599U (en) | 2023-07-25 | 2023-07-25 | Anchor rod pushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667599U (en) |
-
2023
- 2023-07-25 CN CN202321966152.8U patent/CN220667599U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |