CN220869448U - Automatic locking and drawing mechanism for anchor rod - Google Patents
Automatic locking and drawing mechanism for anchor rod Download PDFInfo
- Publication number
- CN220869448U CN220869448U CN202322780734.3U CN202322780734U CN220869448U CN 220869448 U CN220869448 U CN 220869448U CN 202322780734 U CN202322780734 U CN 202322780734U CN 220869448 U CN220869448 U CN 220869448U
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- shaft
- locking
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of tunnel support construction equipment, and aims to solve the problem that potential safety hazards exist in manual pulling and fastening of an anchor rod in the prior art, and provides an automatic anchor rod locking and pulling mechanism which comprises a shaft cover assembly, an impact sleeve, a main shaft middle section, a locking mechanism, a conversion structure and a main shaft tail section.
Description
Technical Field
The utility model relates to the technical field of tunnel supporting construction equipment, in particular to an automatic locking and drawing mechanism for an anchor rod.
Background
In the tunnel excavation process, in order to increase the safety of the surrounding rock structure, a certain initial support needs to be immediately implemented. The anchor rod grouting support is used as one supporting method, and the installation process comprises drilling, rod feeding, fastening, grouting, drawing and the like. The construction process environment is severe, although modern equipment such as an anchor rod trolley and the like is used for operation, the fastening and drawing of the anchor rod can be completed only by manual operation, and certain potential safety hazards are provided.
Disclosure of utility model
The utility model aims to provide an automatic locking and drawing mechanism for an anchor rod, which solves the problem that potential safety hazards exist in the prior art of manually drawing and fastening the anchor rod.
The utility model is realized by adopting the following technical scheme:
The utility model provides an automatic locking and drawing mechanism for an anchor rod, which comprises a shaft cover assembly, an impact sleeve, a main shaft middle section, a locking mechanism, a conversion structure and a main shaft tail section, wherein the front end of the impact sleeve stretches into the shaft cover assembly, the impact sleeve can be connected with the shaft cover assembly, the impact sleeve can axially stretch and rotate relative to the shaft cover assembly, the main shaft middle section is connected with the tail end of the shaft cover assembly, the locking mechanism is positioned in the main shaft middle section, the locking mechanism can axially stretch relative to the main shaft middle section, the locking mechanism is used for being connected with the anchor rod, the conversion structure is connected with the tail end of the locking mechanism, the main shaft tail section is connected with the tail end of the main shaft middle section, and the main shaft tail section can be connected with the conversion structure.
According to the automatic locking and drawing mechanism for the anchor rod, when the tail section of the main shaft is connected with the conversion structure, the impact sleeve is not connected with the shaft cover assembly, the tail section of the main shaft rotates to drive the middle section of the main shaft, the shaft cover assembly, the conversion structure and the locking mechanism to rotate, the anchor rod is fastened through the locking mechanism, the front end of the anchor rod is driven to rotate and then expands, and the anchor rod is locked with the hole wall; after the front end of the anchor rod is locked, an anchor pulling force is applied, the tail section of the main shaft is rotated while the tension state is maintained, at the moment, the impact sleeve is connected with the shaft cover assembly, the tail section of the main shaft is not connected with the conversion structure, the tail section of the main shaft drives the middle section of the main shaft, the shaft cover assembly and the impact sleeve to rotate, and the impact sleeve completes locking of the nut at the tail end of the anchor rod.
As a preferable technical scheme:
The automatic locking and drawing mechanism for the anchor rod further comprises a limiting support cover, wherein the limiting support cover is connected to the tail end of the conversion structure, and the limiting support cover is in butt joint with the tail section of the main shaft.
As a preferable technical scheme:
the limiting support cover is connected with the conversion structure through a support cover assembly bolt.
As a preferable technical scheme:
The shaft cover assembly comprises a shaft cover end cover and a shaft cover tail cover, the shaft cover end cover is sleeved at the front end of the shaft cover tail cover and fixedly connected with the shaft cover end cover and the shaft cover tail cover, and the front end of the impact sleeve extends into the shaft cover tail cover.
As a preferable technical scheme:
A first sliding shaft sleeve is arranged between the impact sleeve and the shaft cover tail cover.
As a preferable technical scheme:
The outside of first slip axle sleeve is provided with the axle sleeve separation blade.
As a preferable technical scheme:
And a sealing ring is also arranged between the shaft cover tail cover and the impact sleeve.
As a preferable technical scheme:
The tail end of the shaft cover tail cover is provided with a spline groove, the impact sleeve is provided with a spline, and in a stretching state, the spline on the impact sleeve is meshed with the spline groove on the shaft cover tail cover.
As a preferable technical scheme:
the main shaft middle section includes main shaft middle section main part, sliding spherical bearing and first jump ring, sliding spherical bearing set up in the inside of main shaft middle section main part, first jump ring cover is located sliding spherical bearing's outside is located sliding spherical bearing with between the main shaft middle section main part.
As a preferable technical scheme:
The locking mechanism comprises a clamping jaw, a clamping jaw supporting block and a locking buckle, the locking buckle is matched with the inner side of the sliding spherical bearing, the clamping jaw supporting block is installed in the locking buckle, an inclined groove is formed in the clamping jaw supporting block, the clamping jaw is installed in the inclined groove, the outer side of the clamping jaw is in threaded fit with the locking buckle, and when the locking buckle rotates, the clamping jaw can slide along the inclined groove.
As a preferable technical scheme:
The front end of the clamping jaw supporting block is connected with a wear pad, and a notch matched with the clamping jaw is formed in the outer edge of the wear pad.
As a preferable technical scheme:
The tail section of the conversion structure is provided with a spline, the inner side of the tail section of the main shaft is provided with a spline groove, and in a contracted state, the spline on the conversion structure is meshed with the spline groove on the tail section of the main shaft.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
The automatic locking and drawing mechanism for the anchor rod is arranged on the branch arm of the anchor rod trolley, and combines the anchor rod drawing and torque fastening which are needed to be manually participated in the anchor rod installation process and realizes automation, so that the manual participations are reduced, and the safety of the operation is improved.
Drawings
Fig. 1 is a schematic structural view of an automatic locking and drawing mechanism for an anchor rod.
Fig. 2 is an exploded view of the automatic locking and pulling mechanism for an anchor rod according to the present utility model.
Fig. 3 is an exploded view of the shaft cover assembly of the present utility model.
Fig. 4 is an exploded view of the middle section of the spindle according to the present utility model.
Fig. 5 is an exploded view of the locking mechanism of the present utility model.
Fig. 6 is a schematic structural view of the automatic locking and pulling mechanism for an anchor rod in a compressed state.
Fig. 7 is a schematic structural view of the automatic locking and drawing mechanism for an anchor rod in a stretching state.
Icon: the device comprises a 1-shaft cover assembly, a 2-impact sleeve, a 3-main shaft middle section, a 4-locking mechanism, a 5-conversion structure, a 6-main shaft tail section, a 7-limit supporting cover, an 8-supporting cover assembly bolt, a 9-shaft cover end cover, a 10-lip type sealing ring, an 11-shaft sleeve baffle, a 12-large sliding shaft sleeve, a 13-shaft cover tail cover, a 14-main shaft middle section main body, a 15-sliding spherical bearing, a 16-first clamp spring, a 17-wear pad, 18-clamping jaws, 19-clamping jaw supporting blocks, 20-locking buckles, a 21-small sliding shaft sleeve and a 22-second clamp spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. 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.
Example 1
As shown in fig. 1-5, the embodiment provides an automatic locking and drawing mechanism for an anchor rod, which comprises a main shaft, wherein the main shaft comprises a shaft cover assembly 1, an impact sleeve 2, a main shaft middle section 3, a locking mechanism 4, a conversion structure 5, a main shaft tail section 6, a limiting support cover 7 and a support cover assembly bolt 8.
The main shaft middle section 3 and the shaft cover assembly 1 are connected in a flat key auxiliary bolt fastening mode, one end of the impact sleeve 2 is inserted into the shaft cover assembly 1, and the impact sleeve 2 can axially stretch and retract and relatively rotate relative to the shaft cover assembly 1.
One end of the locking mechanism 4 is inserted into the main shaft middle section 3, and the locking mechanism 4 can axially stretch and retract relative to the main shaft middle section 3.
The switching structure 5 is connected with the locking mechanism 4 by means of bolt fastening.
The main shaft tail section 6 and the main shaft middle section 3 are connected in a bolt fastening mode by using a flat key, and the limiting support cover 7 is connected with the conversion structure 5 through the support cover assembly bolt 8.
The shaft cover assembly 1 comprises a shaft cover end cover 9, a lip-shaped sealing ring 10, a shaft sleeve baffle 11, a large sliding shaft sleeve 12 and a shaft cover tail cover 13, wherein the shaft cover end cover 9 is sleeved at the front end of the shaft cover tail cover 13, and the shaft cover end cover 9 and the shaft cover tail cover are connected through bolts. One end of the impact sleeve 2 extends into the shaft cover tail cover 13, the large sliding shaft sleeve 12 is arranged between the impact sleeve and the shaft cover tail cover, and the shaft sleeve blocking piece 11 is arranged on the outer side of the large sliding shaft sleeve 12. The lip type sealing ring 10 is also installed between the shaft cover tail cover 13 and the impact sleeve 2, and the lip type sealing ring 10 is closer to the front end of the shaft cover tail cover 13 than the large sliding shaft sleeve 12. As shown in fig. 3, a spline groove is formed at the end of the shaft cover tail cover 13, the impact sleeve 2 can axially stretch and retract and relatively rotate with respect to the shaft cover tail cover 13, and in a stretched state, the spline on the impact sleeve 2 is meshed with the spline groove at the end of the shaft cover tail cover 13.
The main shaft middle section 3 comprises a main shaft middle section main body 14, a sliding spherical bearing 15 and a first clamp spring 16, wherein the sliding spherical bearing 15 is arranged in the main shaft middle section main body 14, and the first clamp spring 16 is sleeved outside the sliding spherical bearing 15 and is positioned between the sliding spherical bearing 15 and the main shaft middle section main body 14.
One end of the locking mechanism 4 extends into the sliding spherical bearing 15, and the locking mechanism 4 can axially stretch and retract relative to the main shaft middle section 3 through the sliding spherical bearing 15.
The locking mechanism 4 comprises wear plates 17, clamping jaws 18, clamping jaw supporting blocks 19, locking buckles 20, small sliding shaft sleeves 21 and second clamping springs 22.
The outside of the locking buckle 20 is in sliding fit with the inside of the sliding spherical bearing 15, and one end of the inside of the locking buckle 20 is provided with a thread tooth which is obliquely arranged.
The clamping jaw 18 is located on the inner side of the locking buckle 20, the clamping jaw 18 is obliquely arranged, the outer side of the clamping jaw 18 is meshed with the thread teeth, an inclined groove is formed in the clamping jaw supporting block 19, the clamping jaw 18 is located in the inclined groove, and when the locking buckle 20 rotates, the clamping jaw 18 can slide along the inclined groove.
The small sliding shaft sleeve 21 is installed between the clamping jaw supporting block 19 and the locking buckle 20, and the clamping jaw supporting block 19 and the locking buckle 20 can rotate relatively through the small sliding shaft sleeve 21, so that the thread teeth on the locking buckle 20 drive the clamping jaw 18 to axially move relative to the clamping jaw supporting block 19. The tail end of the jaw 18 is capable of contacting and holding the bolt.
The outer edge of the wear pad 17 is provided with a notch matched with the clamping jaw 18, and the wear pad 17 is connected to the front end of the clamping jaw supporting block 19 through a bolt.
The conversion structure 5 is connected with the tail end of the locking buckle 20 through a bolt, the main shaft tail section 6 is connected with the main shaft middle section main body 14 through a bolt, meanwhile, the tail section of the conversion structure 5 is provided with a spline, the inner side of the main shaft tail section 6 is provided with a spline groove, and in a contracted state, the spline of the conversion structure 5 is meshed with the spline groove of the main shaft tail section 6.
In this embodiment, the shaft cover assembly 1, the impact sleeve 2, the main shaft middle section 3 and the clamping jaw supporting block 19 are all provided with cavities, so that the anchor rod can be conveniently inserted, and the anchor rod is clamped by the clamping jaw 18.
The working principle of the utility model is as follows:
when the utility model is used, the main shaft tail section 6 is connected with an external power shaft to transmit power, and when the main shaft tail section 6 rotates, the main shaft middle section main body 14 fixedly connected with the main shaft tail section rotates, so that the shaft cover tail cover 13 and the shaft cover end cover 9 rotate.
In the stretched state, the splines on the impingement sleeve 2 engage with the spline grooves at the end of the cap tail 13 and the splines of the switching structure 5 do not engage with the spline grooves of the main shaft tail section 6. The power shaft rotates to drive the main shaft tail section 6, the main shaft middle section main body 14, the shaft cover assembly 1 and the impact sleeve 2 to rotate in sequence, and the rest parts are relatively static.
In the compressed state, the splines on the impingement sleeve 2 are not engaged with the spline grooves at the end of the cap tail 13 and the splines of the switching structure 5 are engaged with the spline grooves of the main shaft tail section 6. The power shaft drives the main shaft tail section 6, the main shaft middle section main body 14, the shaft cover assembly 1, the conversion structure 5 and the locking buckle 20 to rotate in sequence. The locking buckle 20 rotates to enable the clamping jaw 18 to shrink inwards along the inclined groove on the clamping jaw supporting block 19 until the tail end of the anchor rod in the cavity is held tightly, the anchor rod main body is driven to rotate, and the front end of the anchor rod is locked with the hole wall. During this time the rest is relatively stationary.
In use, the entire structure is first in a compressed state (as shown in fig. 6), the impact sleeve 2 presses the anchor rod to tightly fit the rock wall, and then the power shaft rotates. At this time, the clamping jaw 18 is contracted to tightly hold the tail end of the anchor rod in the cavity until the anchor rod rotates together with the main shaft. The front end of the anchor rod expands after rotating and is locked with the hole wall.
After the front end of the anchor rod is expanded and locked, the main shaft is stretched backwards, the anchor pulling force required by working conditions is applied, the structure enters a stretching state (shown in fig. 7), and in the stretching process, the limiting support cover 7 is attached to and limited by the main shaft tail section 6, so that the wear pad 17 is separated from contact with the impact sleeve 2 after stretching is finished. Then, the main shaft is opened to rotate while the tension state is maintained, at the moment, the impact sleeve 2 rotates and the anchor rod is relatively static, and the nut at the tail end of the anchor rod is locked. The automation of the bolt pulling and torque tightening has been completed.
Finally, the mechanism is again in a compressed state, the main shaft is reversely rotated, the clamping jaw 18 is loosened, and the mechanism can be separated from the anchor rod and taken out.
The automatic locking and drawing mechanism for the anchor rod is arranged on the branch arm of the anchor rod trolley, and combines the anchor rod drawing and torque fastening which are needed to be manually participated in the anchor rod installation process and realizes automation, so that the manual participations are reduced, and the safety of the operation is improved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An automatic locking drawing mechanism of stock, its characterized in that:
Including the axle cap assembly, strike sleeve, main shaft middle section, locking mechanism, transform structure and main shaft tail section, strike telescopic front end stretches into in the axle cap assembly, strike the sleeve can with the axle cap assembly is connected, strike the sleeve can for the axle cap assembly carries out axial extension and relative rotation, the main shaft middle section with the tail end of axle cap assembly is connected, locking mechanism is located in the main shaft middle section, locking mechanism can for the main shaft middle section carries out axial extension, locking mechanism is used for being connected with the stock, transform structure with locking mechanism's tail end is connected, the main shaft tail section with the tail end of main shaft middle section is connected, just the main shaft tail section can with transform structure connects.
2. The automatic locking and pulling mechanism for anchor rods according to claim 1, wherein:
The device further comprises a limiting support cover, wherein the limiting support cover is connected to the tail end of the conversion structure, and the limiting support cover is abutted to the tail section of the main shaft.
3. The automatic locking and pulling mechanism for anchor rods according to claim 1, wherein:
The shaft cover assembly comprises a shaft cover end cover and a shaft cover tail cover, the shaft cover end cover is sleeved at the front end of the shaft cover tail cover and fixedly connected with the shaft cover end cover and the shaft cover tail cover, and the front end of the impact sleeve extends into the shaft cover tail cover.
4. An automatic locking and pulling mechanism for an anchor rod according to claim 3, wherein:
A first sliding shaft sleeve is arranged between the impact sleeve and the shaft cover tail cover.
5. The automatic locking and pulling mechanism for anchor rods according to claim 4, wherein:
And a sealing ring is also arranged between the shaft cover tail cover and the impact sleeve.
6. An automatic locking and pulling mechanism for an anchor rod according to claim 3, wherein:
The tail end of the shaft cover tail cover is provided with a spline groove, the impact sleeve is provided with a spline, and in a stretching state, the spline on the impact sleeve is meshed with the spline groove on the shaft cover tail cover.
7. The automatic locking and pulling mechanism for anchor rods according to claim 1, wherein:
the main shaft middle section includes main shaft middle section main part, sliding spherical bearing and first jump ring, sliding spherical bearing set up in the inside of main shaft middle section main part, first jump ring cover is located sliding spherical bearing's outside is located sliding spherical bearing with between the main shaft middle section main part.
8. The automatic locking and pulling mechanism for anchor rods of claim 7, wherein:
The locking mechanism comprises a clamping jaw, a clamping jaw supporting block and a locking buckle, the locking buckle is matched with the inner side of the sliding spherical bearing, the clamping jaw supporting block is installed in the locking buckle, an inclined groove is formed in the clamping jaw supporting block, the clamping jaw is installed in the inclined groove, the outer side of the clamping jaw is in threaded fit with the locking buckle, and when the locking buckle rotates, the clamping jaw can slide along the inclined groove.
9. The automatic locking and pulling mechanism for anchor rods of claim 8, wherein:
The front end of the clamping jaw supporting block is connected with a wear pad, and a notch matched with the clamping jaw is formed in the outer edge of the wear pad.
10. The automatic locking and pulling mechanism for an anchor rod according to any one of claims 1 to 9, wherein:
The tail section of the conversion structure is provided with a spline, the inner side of the tail section of the main shaft is provided with a spline groove, and in a contracted state, the spline on the conversion structure is meshed with the spline groove on the tail section of the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322780734.3U CN220869448U (en) | 2023-10-16 | 2023-10-16 | Automatic locking and drawing mechanism for anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322780734.3U CN220869448U (en) | 2023-10-16 | 2023-10-16 | Automatic locking and drawing mechanism for anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869448U true CN220869448U (en) | 2024-04-30 |
Family
ID=90805749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322780734.3U Active CN220869448U (en) | 2023-10-16 | 2023-10-16 | Automatic locking and drawing mechanism for anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869448U (en) |
-
2023
- 2023-10-16 CN CN202322780734.3U patent/CN220869448U/en active Active
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