Mining anchor rod force measuring device

Abstract

The utility model discloses a mining anchor rod force measuring device, which belongs to the technical field of mining anchor rod force measuring devices and comprises a pressure pillow, an oil pressure pump is arranged on one side of the pressure pillow, a connecting pipe is arranged between the oil pressure pump and the pressure pillow, and fixing plates are vertically and symmetrically mounted on two sides of the oil pressure pump. And movable plates are slidably installed between the fixed plates, limiting grooves are formed in the connecting positions of the fixed plates and the movable plates, and fixed rods are fixed to one sides of the movable plates. Through cooperative use of the pressure pillow, the oil pressure pump, the connecting pipe, the fixing plate, the limiting groove, the movable plate, the fixing rods, the sliding plate, the limiting sleeve and the instrument, the connecting pipe can be orderly stored at one end of the oil pressure pump when not used, the bending degree of the connecting pipe is reduced through winding storage of the two sets of fixing rods, and the problems of folding abrasion and the like of the connecting pipe are solved; and meanwhile, the connecting pipe is well protected, so that the convenience of the mining anchor rod force measuring device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine bolt force measuring devices, in particular to a mine bolt force measuring device. Background Technique

[0002] Bolts are the most basic components of roadway support in coal mines. They bind the surrounding rock of the roadway together, enabling the surrounding rock to support itself. Therefore, the construction quality of bolt support is directly related to the reinforcement and support of coal mines, directly affecting the safety of front-line workers in coal mines and safe production. And how to check the construction quality of bolt support is generally to measure and monitor by measuring the pre-tightening force of bolts.

[0003] For example, the utility model disclosed in the utility model application No. 202322259541.3 discloses a bolt force measuring device. Through the split design of the pressure pillow and the data transmission line, when assembling with the bolt, first separate the first end of the data transmission line from the terminal of the pressure pillow. After the pressure pillow is assembled, then connect the first end of the data transmission line to the terminal through a connecting piece. Thus, the phenomenon of data transmission line entanglement during bolt pre-tightening can be avoided, damage is reduced, the reliability of the data transmission line is ensured, the accuracy of the detected data is improved, and then the true stress state of the bolt can be reflected, providing a strong guarantee for collecting mine pressure data in mine roadways, having a certain guiding significance for guiding the design and optimization of roadway support schemes. At the same time, the influence of the pulling force of the data transmission line entanglement on the bolt pre-tightening force is also avoided, ensuring that the bolt has a reliable pre-tightening force.

[0004] The current situation similar to the above application still has deficiencies:

[0005] The connecting pipeline of this new type of mine bolt force measuring instrument is not convenient for storage and fixation. When not in use, the pipeline cannot be stored orderly, resulting in easy extrusion and wear of the pipeline. After long-term use, the pipeline is damaged by friction and cannot be used normally, affecting the accuracy of detection. Moreover, generally, an anchor tool is used for limit during detection, and it is very difficult to keep the center centered during the limit installation process, which will affect the detection work and the disassembly difficulty is large.

[0006] Therefore, a mine bolt force measuring device is designed to optimize the above problems. Utility Model Content

[0007] The main purpose of the utility model is to provide a mine bolt force measuring device to solve the related technical problems proposed in the above background technique.

[0008] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0009] A mine bolt force measuring device includes a pressure pillow. An oil pressure pump is arranged on one side of the pressure pillow. A connecting pipe is arranged between the oil pressure pump and the pressure pillow. Fixing plates are symmetrically installed up and down on both sides of the oil pressure pump. A movable plate is slidably installed between the fixing plates. A limiting groove is opened at the connection between the fixing plate and the movable plate. Fixing rods are fixed on one side of the movable plate. A sliding plate is slidably installed between the fixing plates. Limiting sleeves are fixed on one side of the sliding plate. An instrument is fixedly installed at one end of the oil pressure pump. A pressure handle is installed on the oil pressure pump.

[0010] Preferably: A fixing ring is movably connected to the top of the pressure pillow. An external threaded pipe is fixed on the outside of the fixing ring. A conical pipe is fixed inside the fixing ring. A positioning pipe is threadedly installed on the outside of the external threaded pipe. A fixing ring is fixed at the top of the positioning pipe. Elastic plates are uniformly arranged at the bottom of the fixing ring and inside the positioning pipe, and the elastic plates are movably connected to the conical pipe.

[0011] Preferably: Grips are symmetrically installed on the outside of the pressure pillow, and the grips are all rubber grips.

[0012] Preferably: Protective rings are sleeved on the outside of the pressure handle, and anti-slip patterns are arranged on the outside of the protective rings.

[0013] Preferably: The elastic plates are all rubber plates, and anti-slip particles are arranged inside the elastic plates.

[0014] Preferably: The outside of the fixing rods is set as an arc surface, and anti-slip layers are arranged inside the limiting sleeves.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The mine bolt force measuring device provided by the present utility model, through the combined use of a pressure pillow, an oil pressure pump, a connecting pipe, fixing plates, a limiting groove, a movable plate, fixing rods, a sliding plate, limiting sleeves and an instrument, can orderly store the connecting pipe at one end of the oil pressure pump when not in use, and reduce the bending degree of the connecting pipe by winding and storing with two groups of fixing rods, reduce problems such as folding wear of the connecting pipe, and at the same time play a good protective role for the connecting pipe, thereby improving the convenience of the mine bolt force measuring device;

[0017] By using the cooperation of a fixing ring, an externally threaded pipe, a conical pipe, a positioning pipe, a fixing ring and an elastic plate, first sleeved the pressure pillow on the outside of the anchor rod, then successively sleeved the fixing ring and the positioning pipe on the top of the pressure pillow, screwed the positioning pipe downward, the positioning pipe drove the fixing ring and the elastic plate to move downward into the interior of the conical pipe. Under the extrusion of the conical pipe, multiple groups of elastic plates were pushed to move towards the middle simultaneously until the elastic plates were attached to the outside of the anchor rod, and were limited and fixed on the outside of the anchor rod by friction. The elastic plates were also clamped on the outside of the anchor rod to make the force more uniform. The position of the anchor rod in the interior of the pressure pillow was centered, and it was convenient for disassembly and installation, thus facilitating the use and detection work of the staff. Description of the Drawings

[0018] Figure 1 It is the front view cross-sectional view of the present utility model;

[0019] Figure 2 It is the side view of the oil pressure pump of the present utility model;

[0020] Figure 3 It is the connection schematic diagram of the fixing ring and the positioning pipe of the present utility model.

[0021] In the figure: 1. Pressure pillow; 2. Oil pressure pump; 3. Connecting pipe; 4. Fixed plate; 5. Limit groove; 6. Movable plate; 7. Fixed rod; 8. Slide plate; 9. Limit sleeve; 10. Instrument; 11. Fixing ring; 12. Externally threaded pipe; 13. Conical pipe; 14. Positioning pipe; 15. Fixing ring; 16. Elastic plate; 17. Press handle; 18. Grip. Detailed Embodiment

[0022] To make the technical solutions of the present utility model clearer and more definite for those skilled in the art, the present utility model will be further described in detail below in conjunction with the embodiments and the drawings, but the embodiments of the present utility model are not limited thereto.

[0023] Embodiment 1

[0024] As Figures 1 - 3As shown in the figure, this embodiment provides a mine bolt force measuring device, which includes a pressure pillow 1. An oil pressure pump 2 is arranged on one side of the pressure pillow 1. A connecting pipe 3 is arranged between the oil pressure pump 2 and the pressure pillow 1. Fixed plates 4 are symmetrically installed up and down on both sides of the oil pressure pump 2. A movable plate 6 is slidably installed between the fixed plates 4. A limiting groove 5 is opened at the connection between the fixed plate 4 and the movable plate 6. Fixed rods 7 are fixed on one side of the movable plate 6. A sliding plate 8 is slidably installed between the fixed plates 4. Limiting sleeves 9 are fixed on one side of the sliding plate 8. An instrument 10 is fixedly installed at one end of the oil pressure pump 2. A pressure handle 17 is installed on the oil pressure pump 2. The top of the pressure pillow 1 is movably connected with a fixing ring 11. An external threaded pipe 12 is fixed on the outside of the fixing ring 11. A conical pipe 13 is fixed inside the fixing ring 11. A positioning pipe 14 is threadedly installed on the outside of the external threaded pipe 12. A fixing ring 15 is fixed on the top of the positioning pipe 14. Elastic plates 16 are uniformly arranged at the bottom of the fixing ring 15 and inside the positioning pipe 14, and the elastic plates 16 are movably connected with the conical pipe 13.

[0025] After the detection is completed, one end of the connecting pipe 3 is separated from the pressure pillow 1. Then, the movable plates 6 on both sides of the oil pressure pump 2 are pulled to the left respectively, so that the movable plates 6 drive the fixed rods 7 to move to the left and protrude from the leftmost end of the oil pressure pump 2. Then, the connecting pipe 3 is wound around the outside of the two groups of fixed rods 7. The sliding plate 8 is pushed to the left so that the limiting sleeve 9 moves to the outside of the fixed rod 7 to limit the outside of the wound connecting pipe 3 to prevent the connecting pipe 3 from loosening. The pressure pillow 1 is first sleeved on the outside of the bolt. The fixing ring 11 and the positioning pipe 14 are successively sleeved on the top of the pressure pillow 1. The positioning pipe 14 is screwed downward. The positioning pipe 14 drives the fixing ring 15 and the elastic plates 16 to move downward into the conical pipe 13. Under the extrusion of the conical pipe 13, a plurality of elastic plates 16 are pushed to move towards the middle simultaneously until the elastic plates 16 are attached to the outside of the bolt and are limited and fixed on the outside of the bolt by friction.

[0026] Embodiment 2

[0027] In this embodiment, as Figures 1 - 3 shown, grip handles 18 are symmetrically installed on the outside of the pressure pillow 1, and the grip handles 18 are all rubber handles.

[0028] The rubber grip handles 18 facilitate the movement and use of the grip handles 18 and are convenient for the overall carrying.

[0029] In this embodiment, protective rings are sleeved on the outside of the pressure handles 17, and anti-slip patterns are arranged on the outside of the protective rings.

[0030] The setting of the protective rings and the anti-slip patterns increases the friction and comfort on the outside of the pressure handles 17 and facilitates the use.

[0031] In this embodiment, the elastic plates 16 are all rubber plates, and anti-slip particles are arranged inside the elastic plates 16.

[0032] The elastic plate 16 made of rubber material makes the elastic plate 16 more elastic and better fits on the outside of the bolt.

[0033] In this embodiment, the outer sides of the fixing rods 7 are all set as arc surfaces, and anti-slip layers are arranged inside the limiting sleeves 9.

[0034] The arrangement of the fixing rods 7 with arc surfaces makes it easier for the connecting pipe 3 to fit on the outer sides of the fixing rods 7, and the anti-slip layer increases the limiting force on the connecting pipe 3.

[0035] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the scope disclosed by the present invention, according to the technical solution and its concept of the present invention, makes equivalent replacements or changes, all belong to the protection scope of the present invention.

Claims

1. A mine bolt force measuring device, characterized in that: It includes a pressure pillow (1). An oil pressure pump (2) is provided on one side of the pressure pillow (1). A connecting pipe (3) is provided between the oil pressure pump (2) and the pressure pillow (1). Fixed plates (4) are symmetrically installed up and down on both sides of the oil pressure pump (2). A movable plate (6) is slidably installed between the fixed plates (4). A limiting groove (5) is opened at the connection between the fixed plate (4) and the movable plate (6). Fixed rods (7) are fixed on one side of the movable plate (6). A sliding plate (8) is slidably installed between the fixed plates (4). Limiting sleeves (9) are fixed on one side of the sliding plate (8). An instrument (10) is fixedly installed at one end of the oil pressure pump (2). A pressure handle (17) is installed on the oil pressure pump (2).

2. The mine bolt force measuring device according to claim 1, characterized in that: A fixed ring (11) is movably connected to the top of the pressure pillow (1). An external threaded pipe (12) is fixed to the outside of the fixed ring (11). A tapered pipe (13) is fixed inside the fixed ring (11). A positioning pipe (14) is threadedly installed on the outside of the external threaded pipe (12). A fixed ring (15) is fixed to the top of the positioning pipe (14). Elastic plates (16) are evenly arranged at the bottom of the fixed ring (15) and inside the positioning pipe (14), and the elastic plates (16) are movably connected to the tapered pipe (13).

3. The mine bolt force measuring device according to claim 1, characterized in that: Grip handles (18) are symmetrically installed on the outside of the pressure pillow (1), and the grip handles (18) are all rubber handles.

4. A mine bolt force measuring device according to claim 1, characterized in that: A protective ring is sleeved on the outside of the pressure handle (17), and anti-slip patterns are provided on the outside of the protective ring.

5. The mine bolt force measuring device according to claim 2, characterized in that: The elastic plates (16) are all rubber plates, and anti-slip particles are provided inside the elastic plates (16).

6. The mine bolt force measuring device according to claim 1, characterized in that: The outside of the fixed rods (7) is set to be an arc surface, and anti-slip layers are provided inside the limiting sleeves (9).

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