CN210071489U - Counter-force device for detecting anchor rod drawing force - Google Patents
Counter-force device for detecting anchor rod drawing force Download PDFInfo
- Publication number
- CN210071489U CN210071489U CN201920763518.9U CN201920763518U CN210071489U CN 210071489 U CN210071489 U CN 210071489U CN 201920763518 U CN201920763518 U CN 201920763518U CN 210071489 U CN210071489 U CN 210071489U
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- base body
- jack
- base member
- bolt
- fastening bolt
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Abstract
The utility model discloses a counterforce device that stock drawing force detected, including base member, jack and gag lever post, the storage tank has been seted up to the internal surface of base member, and the internal surface mounting of storage tank has the pulley to the internally mounted of storage tank has the balancing weight, the outer end internal surface fixed connection of base member has reset spring, and reset spring's internal surface fixed connection has fastening bolt to fastening bolt is connected with the internal surface of base member, the up end at the base member is installed to the jack, and the output end fixed connection of jack has the supporting shoe, the upper end at the base member is installed to the gag lever post bolt. This counterforce device that stock pullout force detected, 4 steel stranded ropes of supporting shoe lower extreme will pass through torque spring, for the device provides the reverse pulling force except that the jack, cooperate the setting of the gag lever post of 2 crisscross forms and balancing weight, increased the factor of safety when the experiment when improving the stability of whole device.
Description
Technical Field
The utility model relates to an anchor rod technical field specifically is a counterforce device that stock drawing force detected.
Background
The anchor rod is the most basic component of roadway support in the contemporary coal mine, it consolidates the surrounding rock of the roadway together, make the surrounding rock self support itself, and the anchor rod needs to detect its drawing force while producing, therefore need to use the reaction force device, but the existing reaction force device that the anchor rod drawing force detects still has certain defects, such as;
1. most of the existing counter-force devices for detecting the pulling force of the anchor rod are heavy, long in stacking time and high in cost, and inconvenient for a user to conveniently detach and replace the position, so that certain use defects exist;
2. the existing counterforce device for detecting the anchor rod drawing force has poor stability, and has certain potential safety hazard due to large required bearing weight, so that inconvenience is brought to the operation of a user.
In order to solve the above problems, innovative design based on the structure of the original reaction device is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a counterforce device that stock drawing force detected to it that proposes in solving above-mentioned background art is piled and is established for a long time, the expense is high, and inconvenient user is convenient dismantles more change the position, and stability is relatively poor, has the problem of certain potential safety hazard.
In order to achieve the above object, the utility model provides a following technical scheme: a counter-force device for detecting the drawing force of an anchor rod comprises a base body, a jack and a limiting rod, wherein an accommodating groove is formed in the inner surface of the base body, a pulley is arranged on the inner surface of the accommodating groove, a balancing weight is arranged inside the accommodating groove, a return spring is fixedly connected to the inner surface of the outer end of the base body, a fastening bolt is fixedly connected to the inner surface of the return spring and is connected with the inner surface of the base body, the jack is arranged on the upper end face of the base body, a supporting block is fixedly connected to the output end of the jack, a connecting block is arranged on the outer surface of the supporting block through a bolt, the limiting rod is arranged on the upper end of the base body through a bolt, a slide way is formed in the inner surface of the limiting rod and is connected with the connecting block, a steel strand rope is fixedly connected to, and the outer surface of the connecting shaft is fixedly connected with a torsion spring, and the torsion spring is connected with the inner surface of the base body.
Preferably, the counterweight block and the base body form a detachable installation structure, and the counterweight block and the inner surface of the accommodating groove form a slidable structure through the pulley.
Preferably, the upper end of the fastening bolt and the inner surface of the base body form a detachable installation structure through a return spring, and the lower end of the fastening bolt is in threaded connection with the base body.
Preferably, the gag lever post is provided with 2 about the central point symmetry of base member, and 2 gag lever posts are crisscross column structure to but the gag lever post passes through the slide and constitutes sliding structure with the connecting block.
Preferably, the number of the steel stranded ropes is 4, wherein the steel stranded ropes are arranged at equal angles relative to the central point of the supporting block, the steel stranded ropes and the inner surface of the base body form an elastic structure through torsion springs, and the upper ends of the steel stranded ropes and the supporting block are of an integrated structure.
Compared with the prior art, the beneficial effects of the utility model are that: a counterforce device for detecting the anchor rod drawing force;
1. the detachable counter weight block is arranged, a user can detach the counter weight block arranged in the base body according to needs, the weight of the whole device is further reduced after the operation, the anti-falling type fastening bolt which is accommodated in the base body through the resetting force of the resetting spring after the detachment is matched, the user can move the whole device more conveniently, the flexibility of the device is improved, the structure of the whole device is simple, the cost is lower, and the operation of the user is more convenient;
2. be provided with mobilizable steel strand rope, along with jack upwards promotes the supporting shoe to conflicting the lower terminal surface at the stock, 4 steel strand ropes of supporting shoe lower extreme will pass through torque spring's elasticity, for the device provides the reverse pulling force except that the jack, cooperate the setting of the gag lever post of 2 crisscross forms and balancing weight, increase the factor of safety when experimenting when improving overall device's stability.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the bottom cross-sectional structure of the supporting block of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 4 is a schematic side sectional view of the torsion spring of the present invention.
In the figure: 1. a substrate; 2. a containing groove; 3. a pulley; 4. a balancing weight; 5. a return spring; 6. fastening a bolt; 7. a jack; 8. a support block; 9. connecting blocks; 10. a limiting rod; 11. a slideway; 12. a steel strand; 13. a connecting shaft; 14. a torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a counter-force device for detecting the drawing force of an anchor rod comprises a base body 1, a containing groove 2, a pulley 3, a balancing weight 4, a reset spring 5, a fastening bolt 6, a jack 7, a supporting block 8, a connecting block 9, a limiting rod 10, a slide way 11, a steel strand 12, a connecting shaft 13 and a torsion spring 14, wherein the containing groove 2 is formed in the inner surface of the base body 1, the pulley 3 is installed on the inner surface of the containing groove 2, the balancing weight 4 is installed inside the containing groove 2, the balancing weight 4 and the base body 1 form a detachable installation structure, the balancing weight 4 and the inner surface of the containing groove 2 form a slidable structure through the pulley 3, a user can detach the balancing weight 4 and the base body 1 as required, and the stability of the whole device is improved;
the inner surface of the outer end of the base body 1 is fixedly connected with a return spring 5, the inner surface of the return spring 5 is fixedly connected with a fastening bolt 6, the fastening bolt 6 is connected with the inner surface of the base body 1, the upper end of the fastening bolt 6 and the inner surface of the base body 1 form a detachable installation structure through the return spring 5, the lower end of the fastening bolt 6 is in threaded connection with the base body 1, the fastening bolt 6 which is separated from the fixing state between the fastening bolt and the bottom plate can be accommodated in the inner side of the lower end of the base body 1 through the return force of the return spring 5, and the phenomenon that the fastening bolt is easily;
the jack 7 is arranged on the upper end face of the base body 1, the output end of the jack 7 is fixedly connected with the supporting block 8, the outer surface of the supporting block 8 is provided with a connecting block 9 through a bolt, the limiting rods 10 are arranged on the upper end of the base body 1 through bolts, the inner surface of each limiting rod 10 is provided with a slide rail 11, the slide rails 11 are connected with the connecting block 9, 2 limiting rods 10 are symmetrically arranged on the central point of the base body 1, the 2 limiting rods 10 are in a staggered structure, the limiting rods 10 and the connecting block 9 form a slidable structure through the slide rails 11, and when the supporting block 8 moves upwards, the supporting block 8 can stably slide upwards along the inner side of the limiting rods 10 through the;
the lower extreme fixedly connected with steel stranded rope 12 of supporting shoe 8, connecting axle 13 is installed to the up end of base member 1, and connecting axle 13 is connected with the end of steel stranded rope 12, the outer fixed surface of connecting axle 13 is connected with torsion spring 14, and torsion spring 14 is connected with the internal surface of base member 1, steel stranded rope 12 is provided with 4 about the central point isogonism of supporting shoe 8, and steel stranded rope 12 passes through torsion spring 14 and constitutes elastic construction with the internal surface of base member 1, and the upper end of steel stranded rope 12 is integrated structure with supporting shoe 8, let supporting shoe 8 when the power rebound through jack 7, 4 steel stranded ropes of accessible 12 provide the pulling force in the opposite direction.
The working principle is as follows: when the counter-force device for detecting the anchor rod drawing force is used, according to the figures 1-4, the device is firstly placed at the lower end of an anchor rod which is fixed outside and needs to be detected, then the fastening bolt 6 on the lower end surface of the base body 1 is installed to the surface of a bottom plate at the corresponding position for fixing, and the counterweight block 4 with the corresponding weight is installed in the accommodating groove 2 according to the requirement, so that the stability of the whole device is further improved, then the jack 7 can be started, the output end of the jack 7 can push the supporting block 8 to move upwards, the outer end of the supporting block 8 can slide upwards in a limiting way along 2 staggered limiting rods 10 through the connecting block 9, and along with the upward movement of the supporting block 8, 4 steel stranded ropes 12 on the lower end surface can stretch the connecting shaft 13 to move upwards, and through the elasticity of the torsion spring 14, reverse pulling force except the jack 7 can be provided for the device, at the moment, the supporting block 8 is abutted to the lower end of an anchor rod fixed outside, so that the anchor rod is extruded and subjected to a counter-force test, a user can observe and measure the anchor rod, and 2 staggered limiting rods 10 and the balancing weight 4 are matched, so that the stability of the whole device is improved, and the safety factor in the experiment is increased;
according to fig. 1 and fig. 3, wait to detect after the work, the user can carry out the screw thread with fastening bolt 6 and external bottom plate and dismantle, fastening bolt 6 that breaks away from the stationary state this moment accomodates reset force of reset spring 5 at the lower extreme of base member 1 inboardly, avoid its easy emergence phenomenon that drops, then 2 balancing weights 4 of user dismantle along storage tank 2's inside out, can be abundant reduce the weight of integrated device, and then more light removes, holistic practicality has been increased.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a counterforce device that stock drawing force detected, includes base member (1), jack (7) and gag lever post (10), its characterized in that: the inner surface of the base body (1) is provided with a containing groove (2), a pulley (3) is installed on the inner surface of the containing groove (2), a balancing weight (4) is installed inside the containing groove (2), a reset spring (5) is fixedly connected to the inner surface of the outer end of the base body (1), a fastening bolt (6) is fixedly connected to the inner surface of the reset spring (5), the fastening bolt (6) is connected with the inner surface of the base body (1), the jack (7) is installed on the upper end face of the base body (1), a supporting block (8) is fixedly connected to the output end of the jack (7), a connecting block (9) is installed on the outer surface of the supporting block (8) through a bolt, the limiting rod (10) is installed at the upper end of the base body (1) through a bolt, a slide way (11) is installed on the inner surface of the limiting, the lower extreme fixedly connected with steel strand ropes (12) of supporting shoe (8), connecting axle (13) is installed to the up end of base member (1), and connecting axle (13) are connected with the end of steel strand ropes (12), the surface fixedly connected with torsion spring (14) of connecting axle (13), and torsion spring (14) are connected with the internal surface of base member (1).
2. A reaction device for detecting a bolt drawing force according to claim 1, wherein: the counterweight block (4) and the base body (1) form a detachable installation structure, and the counterweight block (4) and the inner surface of the accommodating groove (2) form a slidable structure through the pulley (3).
3. A reaction device for detecting a bolt drawing force according to claim 1, wherein: the upper end of the fastening bolt (6) and the inner surface of the base body (1) form a detachable installation structure through the reset spring (5), and the lower end of the fastening bolt (6) is in threaded connection with the base body (1).
4. A reaction device for detecting a bolt drawing force according to claim 1, wherein: the limiting rod (10) is symmetrically provided with 2 about the central point of the base body (1), the 2 limiting rods (10) are of a staggered structure, and the limiting rods (10) and the connecting blocks (9) form a slidable structure through the slide ways (11).
5. A reaction device for detecting a bolt drawing force according to claim 1, wherein: the number of the steel stranded ropes (12) is 4 about the central point of the supporting block (8) at equal angles, the steel stranded ropes (12) and the inner surface of the base body (1) form an elastic structure through torsion springs (14), and the upper ends of the steel stranded ropes (12) and the supporting block (8) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763518.9U CN210071489U (en) | 2019-05-26 | 2019-05-26 | Counter-force device for detecting anchor rod drawing force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763518.9U CN210071489U (en) | 2019-05-26 | 2019-05-26 | Counter-force device for detecting anchor rod drawing force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210071489U true CN210071489U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920763518.9U Expired - Fee Related CN210071489U (en) | 2019-05-26 | 2019-05-26 | Counter-force device for detecting anchor rod drawing force |
Country Status (1)
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|---|---|
| CN (1) | CN210071489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650047A (en) * | 2020-07-09 | 2020-09-11 | 中国水利水电科学研究院 | Large-tonnage soil load test vertical counter-force loading device and loading method thereof |
| CN117470666A (en) * | 2023-12-28 | 2024-01-30 | 河北宏乾矿山支护装备有限公司 | Anchor rod and anchor cable drawing testing machine and testing method |
-
2019
- 2019-05-26 CN CN201920763518.9U patent/CN210071489U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650047A (en) * | 2020-07-09 | 2020-09-11 | 中国水利水电科学研究院 | Large-tonnage soil load test vertical counter-force loading device and loading method thereof |
| CN111650047B (en) * | 2020-07-09 | 2020-12-22 | 中国水利水电科学研究院 | Large-tonnage soil load test vertical counter-force loading device and loading method thereof |
| CN117470666A (en) * | 2023-12-28 | 2024-01-30 | 河北宏乾矿山支护装备有限公司 | Anchor rod and anchor cable drawing testing machine and testing method |
| CN117470666B (en) * | 2023-12-28 | 2024-03-29 | 河北宏乾矿山支护装备有限公司 | Anchor rod and anchor cable drawing testing machine and testing method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |