Counter-force device for anchor rod drawing force detection

Abstract

The utility model discloses a counterforce device for anchor rod drawing force detection, which comprises a bottom plate, four corners of the top of the bottom plate are fixedly connected with first hydraulic telescopic rods, the output ends of the first hydraulic telescopic rods are movably connected with a support plate through a rotating shaft, the axis of the top of the bottom plate is fixedly connected with a second hydraulic telescopic rod, and the second hydraulic telescopic rod is movably connected with the support plate through a rotating shaft. Vertical boxes are fixedly connected to the two sides of the top of the bottom plate correspondingly, vertical rods are fixedly connected to the two sides of inner cavities of the vertical boxes correspondingly, and sliding blocks are slidably connected to the surfaces of the vertical rods. Through cooperative use of the bottom plate, the first hydraulic telescopic rod, the supporting plate, the second hydraulic telescopic rod, the vertical box, the vertical rod, the sliding block, the extension rod, the top plate, the double-shaft motor, the threaded rod, the threaded sleeve, the clamping rod, the clamping plate, the detection block, the pressure sensor, the mounting plate, the mounting rod, the mounting block and the limiting insertion block, the detection device can be quickly adjusted to a horizontal state; and the anchor rod can be quickly fixed at the axis position, so that the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor rods, in particular to a reaction force device for detecting the pulling force of anchor rods. Background Art

[0002] Anchor rod is the most basic component of tunnel support in contemporary coal mines. It reinforces the surrounding rock of the tunnel so that the surrounding rock can support itself. Anchor rod is not only used in mines, but also in engineering technology to reinforce the main body of slopes, tunnels and dam bodies. As a tensile member deep in the stratum, one end of the anchor rod is connected to the engineering structure and the other end is deep in the stratum. The whole anchor rod is divided into a free section and an anchoring section. The free section refers to the area where the tension at the anchor rod head is transmitted to the anchor body. Its function is to apply prestress to the anchor rod. The pull-out force of the anchor rod needs to be tested after production. At this time, a detection device is needed. However, the existing detection device cannot quickly adjust the detection device to a horizontal state during field detection at the construction site, which affects the detection efficiency. In addition, the anchor rod needs to be fixed at the axial position during detection. The existing method only relies on manual limit, which cannot guarantee the accuracy of the limit and will affect the detection result. For this reason, a reaction force device for anchor rod pull-out force detection is proposed to solve the above problems. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a reaction force device for detecting the pull-out force of an anchor rod, which has the advantages of automatic level adjustment and automatic limit.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a technical solution adopted by a reaction force device for detecting anchor rod pulling force is: comprising a base plate, the four corners of the top of the base plate are fixedly connected with a first hydraulic telescopic rod, the output end of the first hydraulic telescopic rod is movably connected with a support plate through a rotating shaft, the axis of the top of the base plate is fixedly connected with a second hydraulic telescopic rod, both sides of the top of the base plate are fixedly connected with a vertical box, both sides of the inner cavity of the vertical box are fixedly connected with a vertical rod, the surface of the vertical rod is slidably connected with a slider, the top of the slider is fixedly connected with an extension rod, the top of the extension rod is fixedly connected with a top plate, The inner cavity of the top plate is fixedly connected with a dual-axis motor, the output end of the dual-axis motor is fixedly connected with a threaded rod, the surface of the threaded rod is threadedly connected with a threaded sleeve, the top of the threaded sleeve is fixedly connected with a clamping rod, the end of the clamping rod away from the threaded sleeve is fixedly connected with a clamping plate, the top of the top plate is fixedly connected with a detection block, the bottom of the inner cavity of the detection block is fixedly connected with a pressure sensor, the inner cavity of the detection block and both sides of the pressure sensor are fixedly connected with mounting plates, the inner cavity of the mounting plate is fixedly connected with a mounting rod, the surface of the mounting rod is slidably connected with a mounting block, and one side of the mounting block is fixedly connected with a limited position plug.

[0007] As a preferred solution, a bubble meter is fixedly connected to the top of the bottom plate, and the number of the bubble meters is two, and the two bubble meters are designed vertically and longitudinally respectively.

[0008] As a preferred solution, a control box is fixedly connected to the front side of the top of the base plate, and a remote control device is fixedly connected to the inner cavity of the control box.

[0009] As a preferred solution, there are two threaded rods, and the threads on the surfaces of the two threaded rods are in opposite directions.

[0010] As a preferred solution, both sides of the top of the top plate are fixedly connected to limit plates, one side of the limit plate is fixedly connected to a limit rod, the inner cavity of the clamping rod is provided with a limit through hole, and the limit rod is located in the inner cavity of the limit through hole.

[0011] As a preferred solution, the clamping rod is L-shaped, and a movable through slot matching the clamping rod is provided on the top of the top plate.

[0012] As a preferred solution, the clamping plate is located in the inner cavity of the detection block, and a contact groove is provided on the surface of the limiting plug block.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a reaction force device for detecting the pull-out force of an anchor rod, which has the following beneficial effects.

[0015] 1. Through the coordinated use of the bottom plate, the first hydraulic telescopic rod, the support plate, the second hydraulic telescopic rod, the vertical box, the vertical rod, the slider, the extension rod, the top plate, the dual-axis motor, the threaded rod, the threaded sleeve, the clamping rod, the clamping plate, the detection block, the pressure sensor, the mounting plate, the mounting rod, the mounting block and the limit plug, the detection device can be quickly adjusted to a horizontal state, and the anchor rod can be quickly fixed at the axial position, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the top plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the detection block of the utility model;

[0019] Figure 4 It is a top cross-sectional schematic diagram of the mounting plate of the utility model.

[0020] In the figure: 1. bottom plate; 2. first hydraulic telescopic rod; 3. support plate; 4. second hydraulic telescopic rod; 5. vertical box; 6. vertical rod; 7. slider; 8. extension rod; 9. top plate; 10. dual-axis motor; 11. threaded rod; 12. threaded sleeve; 13. clamping rod; 14. clamping plate; 15. detection block; 16. pressure sensor; 17. mounting plate; 18. mounting rod; 19. mounting block; 20. limit plug; 21. bubble meter; 22. control box; 23. limit plate; 24. limit rod. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-4 The utility model discloses a reaction force device for detecting the pulling force of an anchor rod, comprising a bottom plate 1, four corners of the top of the bottom plate 1 are fixedly connected with a first hydraulic telescopic rod 2, the output end of the first hydraulic telescopic rod 2 is movably connected with a support plate 3 through a rotating shaft, a second hydraulic telescopic rod 4 is fixedly connected with the axis center of the top of the bottom plate 1, both sides of the top of the bottom plate 1 are fixedly connected with a vertical box 5, both sides of the inner cavity of the vertical box 5 are fixedly connected with a vertical rod 6, a sliding block 7 is slidably connected to the surface of the vertical rod 6, an extension rod 8 is fixedly connected to the top of the sliding block 7, the top of the extension rod 8 is fixedly connected to a top plate 9, the inner cavity of the top plate 9 is fixedly connected with a double-axis motor 10, and the double-axis motor 10 The output end is fixedly connected with a threaded rod 11, the surface of the threaded rod 11 is threadedly connected with a threaded sleeve 12, the top of the threaded sleeve 12 is fixedly connected with a clamping rod 13, the end of the clamping rod 13 away from the threaded sleeve 12 is fixedly connected with a clamping plate 14, the top of the top plate 9 is fixedly connected with a detection block 15, the bottom of the inner cavity of the detection block 15 is fixedly connected with a pressure sensor 16, the inner cavity of the detection block 15 and both sides of the pressure sensor 16 are fixedly connected with mounting plates 17, the inner cavity of the mounting plate 17 is fixedly connected with a mounting rod 18, the surface of the mounting rod 18 is slidably connected with a mounting block 19, and one side of the mounting block 19 is fixedly connected with a limited position plug block 20.

[0025] The top of the bottom plate 1 is fixedly connected with a bubble meter 21. There are two bubble meters 21, and the two bubble meters 21 are designed vertically and longitudinally respectively.

[0026] By providing the bubble meter 21 , it is possible to detect whether the bottom plate 1 is in a horizontal position.

[0027] A control box 22 is fixedly connected to the front side of the top of the bottom plate 1, and a remote control device is fixedly connected to the inner cavity of the control box 22;

[0028] By providing the control box 22 and the remote control device, the device can be remotely controlled.

[0029] There are two threaded rods 11, and the threads on the surfaces of the two threaded rods 11 are in opposite directions;

[0030] Both sides of the top of the top plate 9 are fixedly connected to the limit plate 23, one side of the limit plate 23 is fixedly connected to the limit rod 24, the inner cavity of the clamping rod 13 is provided with a limit through hole, and the limit rod 24 is located in the inner cavity of the limit through hole;

[0031] By providing the limiting plate 23 and the limiting rod 24 , the threaded sleeve 12 can be limited to prevent the threaded sleeve 12 from rotating when moving.

[0032] The shape of the clamping rod 13 is L-shaped, and a movable through slot adapted to the clamping rod 13 is provided on the top of the top plate 9;

[0033] The clamping plate 14 is located in the inner cavity of the detection block 15 , and a contact groove is formed on the surface of the limiting plug block 20 .

[0034] The working principle of the utility model is: the device is placed at the bottom of the anchor rod that needs to be detected, the first hydraulic telescopic rod 2 drives the support plate 3 to move downward so that the support plate 3 contacts the ground, the extension length of the four first hydraulic telescopic rods 2 is adjusted, and the horizontal state of the bottom plate 1 is adjusted. After the adjustment is completed, the contact groove of the corresponding size is selected according to the size of the detection anchor rod, and the mounting block 19 of the limit plug 20 is inserted into the inner cavity of the mounting rod 18, and then the second hydraulic telescopic rod 4 drives the top plate 9 to move upward, and the top plate 9 drives the detection block 15 to move upward, so that the bottom of the anchor rod is inserted into the contact groove of the limit plug 20, and the dual-axis motor 10 drives the clamping rod 13 to move through the threaded rod 11 and the threaded sleeve 12, and the clamping rod 13 drives the clamping plate 14 to move, and the clamping plate 14 contacts the anchor rod to fix the anchor rod, and then the second hydraulic telescopic rod 4 continues to extend, and the pressure sensor 16 detects the pressure value, and the external detection personnel record the changes of the anchor rod under different pressure values.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A reaction force device for detecting the pull-out force of an anchor rod, comprising a base plate (1), characterized in that: The four corners of the top of the base plate (1) are fixedly connected to a first hydraulic telescopic rod (2); the output end of the first hydraulic telescopic rod (2) is movably connected to a support plate (3) via a rotating shaft; the axis of the top of the base plate (1) is fixedly connected to a second hydraulic telescopic rod (4); both sides of the top of the base plate (1) are fixedly connected to a vertical box (5); both sides of the inner cavity of the vertical box (5) are fixedly connected to a vertical rod (6); a sliding block (7) is slidably connected to the surface of the vertical rod (6); the top of the sliding block (7) is fixedly connected to an extension rod (8); the top of the extension rod (8) is fixedly connected to a top plate (9); the inner cavity of the top plate (9) is fixedly connected to a double-axis motor (10); the output end of the double-axis motor (10) is fixedly connected to a threaded rod (11). The surface of the threaded rod (11) is threadedly connected to a threaded sleeve (12); the top of the threaded sleeve (12) is fixedly connected to a clamping rod (13); the end of the clamping rod (13) away from the threaded sleeve (12) is fixedly connected to a clamping plate (14); the top of the top plate (9) is fixedly connected to a detection block (15); the bottom of the inner cavity of the detection block (15) is fixedly connected to a pressure sensor (16); the inner cavity of the detection block (15) and both sides of the pressure sensor (16) are fixedly connected to mounting plates (17); the inner cavity of the mounting plate (17) is fixedly connected to a mounting rod (18); the surface of the mounting rod (18) is slidably connected to a mounting block (19); one side of the mounting block (19) is fixedly connected to a limited position plug block (20).

2. A reaction force device for detecting anchor pull-out force according to claim 1, characterized in that: A bubble meter (21) is fixedly connected to the top of the bottom plate (1), and the number of the bubble meters (21) is two, and the two bubble meters (21) are respectively designed in a vertical direction and a longitudinal direction.

3. The reaction force device for detecting the pull-out force of an anchor rod according to claim 1, characterized in that: A control box (22) is fixedly connected to the front side of the top of the base plate (1), and a remote control device is fixedly connected to the inner cavity of the control box (22).

4. The reaction force device for detecting the pull-out force of an anchor rod according to claim 1, characterized in that: The number of the threaded rods (11) is two, and the directions of the threads on the surfaces of the two threaded rods (11) are opposite.

5. The reaction force device for detecting the pull-out force of an anchor rod according to claim 1, characterized in that: Both sides of the top of the top plate (9) are fixedly connected to a limiting plate (23), one side of the limiting plate (23) is fixedly connected to a limiting rod (24), the inner cavity of the clamping rod (13) is provided with a limiting through hole, and the limiting rod (24) is located in the inner cavity of the limiting through hole.

6. The reaction force device for detecting the pull-out force of an anchor rod according to claim 1, characterized in that: The clamping rod (13) is L-shaped, and a movable through slot matching the clamping rod (13) is provided on the top of the top plate (9).

7. The reaction force device for detecting the pull-out force of an anchor rod according to claim 1, characterized in that: The clamping plate (14) is located in the inner cavity of the detection block (15), and a contact groove is provided on the surface of the limiting plug block (20).

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