Roof bolter testing device

Abstract

The utility model relates to a jumbolter testing device which comprises a placing frame, a pressure sensor and a torque testing mechanism, the pressure sensor and the torque testing mechanism are respectively fixed at two ends of the placing frame, the torque testing mechanism comprises a torque sensor, a jumbolter is placed on the placing frame, and the head of the jumbolter is connected with the torque sensor. According to the anchor rod drilling machine repair detection device, the technical problem that the repair condition of the anchor rod drilling machine cannot be accurately judged in the prior art can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of anchor drilling machines, in particular to an anchor drilling machine testing device. Background Art

[0002] Anchor drill, also known as anchor drilling machine, is the key equipment for anchor support in coal mines. It has outstanding advantages in improving support effect, reducing cost, accelerating tunneling speed, reducing auxiliary transportation volume, reducing labor intensity, and improving tunnel section utilization. However, due to long-term wear of the drill bit of the anchor drill, aging of electrical components and failure of the cooling system, the anchor drill needs to be repaired.

[0003] In the prior art, whether a repaired drilling rig meets the repair requirements can only be determined through manual test drilling. There is no exact data to rely on, and it depends entirely on the operator's work experience. It cannot be guaranteed that every repaired anchor drilling rig can meet the requirements of underground construction.

[0004] Based on this, the existing technology needs to be further developed. Utility Model Content

[0005] In view of various deficiencies in the prior art, a bolter testing device is proposed to solve the technical problem that the prior art cannot accurately judge the repair status of the bolter.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A bolter testing device comprises a placement frame, a pressure sensor and a torque testing mechanism, wherein the pressure sensor and the torque testing mechanism are respectively fixed at two ends of the placement frame, and the torque testing mechanism comprises a torque sensor. The bolter is placed on the placement frame, the head of the bolter is connected to the torque sensor, the tail of the bolter is abutted against the pressure sensor, and the pressure sensor and the torque sensor are both electrically connected to a display screen.

[0008] The technical solution is further configured such that the pressure sensor is an annular pressure sensor, and the tail of the anchor drill extends into an annular hole of the annular pressure sensor.

[0009] The technical solution is further configured as follows: the torque sensor is an axial torque sensor, the torque testing mechanism also includes a magnetic powder brake and a drill rod, one end of the drill rod is fixedly connected to the measuring shaft of the torque sensor, the other end of the drill rod extends into the head of the anchor drilling rig, the anchor drilling rig drives the drill rod to rotate, and the measuring shaft of the torque sensor is fixedly connected to the braking shaft of the magnetic powder brake.

[0010] The technical solution is further configured as follows: the placement rack is fixedly provided with a first connecting plate and a second connecting plate which are spaced apart from each other, the pressure sensor is fixedly provided on the first connecting plate, and the measuring axis passes through the second connecting plate and is fixedly connected to the second connecting plate.

[0011] The technical solution is further configured such that the placement rack, the first connecting plate and the second connecting plate are all made of I-beams.

[0012] The technical solution is further configured such that the central axis of the pressure sensor, the central axis of the torque sensor, the central axis of the magnetic powder brake and the central axis of the anchor drilling rig are arranged colinearly.

[0013] The technical solution is further configured as follows: the placement rack is fixedly mounted on an operating table, the operating table comprises a plurality of supporting legs and a flat plate fixedly mounted on the supporting legs, and the placement rack is fixedly connected to the flat plate.

[0014] The technical solution is further configured to include a control display cabinet, which is arranged close to the operating table, the display screen is arranged on the side wall of the control display cabinet, a controller is arranged in the control display cabinet, and the display screen is electrically connected to the controller.

[0015] The technical solution is further configured such that a signal converter electrically connected to the controller is also provided in the control display cabinet, an input end of the signal converter is electrically connected to an output end of the pressure sensor and an output end of the torque sensor, and an output end of the signal converter is electrically connected to the display screen.

[0016] The beneficial effects of the utility model are:

[0017] Place the repaired anchor drill on the rack and start the anchor drill. By setting up pressure sensors and torque sensors, the pressure and torque data of the anchor drill when it is working can be accurately measured, and the measurement data can be transmitted to the display for display and record. Based on the displayed measurement data, it can be accurately judged whether the anchor drill is repaired properly to prevent misjudgment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the anchor drilling machine testing device in the embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram of an anchor drilling rig in an embodiment of the utility model;

[0020] Figure 3 It is a schematic diagram of the assembly of the anchor drilling rig testing device and the anchor drilling rig in the embodiment of the utility model.

[0021] In the attached drawings: 1. anchor drilling rig; 2. placement frame; 3. pressure sensor; 4. magnetic powder brake; 5. brake shaft; 6. torque sensor; 7. measuring shaft; 8. operating table; 9. drill rod; 10. drill tail; 11. support leg; 12. flat plate; 13. first connecting plate; 14. second connecting plate. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0023] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0024] According to an embodiment of the utility model, a testing device for an anchor drilling machine 1 is provided. Figures 1 to 3 , including a placement rack 2, a pressure sensor 3 and a torque testing mechanism, the pressure sensor 3 and the torque testing mechanism are respectively fixed at both ends of the placement rack 2, the torque testing mechanism includes a torque sensor 6, the anchor drill 1 is placed on the placement rack 2, the head of the anchor drill 1 is connected to the torque sensor 6, the tail of the anchor drill 1 is abutted against the pressure sensor 3, and the pressure sensor 3 and the torque sensor 6 are both electrically connected to the display screen.

[0025] It should be noted that the repaired anchor drill 1 is placed on the placement rack 2, and the anchor drill 1 is started. By setting the pressure sensor 3 and the torque sensor 6, the pressure and torque data of the anchor drill 1 during operation can be accurately measured, and the measurement data can be transmitted to the display for display and recording. Based on the displayed measurement data, it can be accurately judged whether the anchor drill 1 has been repaired properly to prevent misjudgment.

[0026] In the anchor drill 1 testing device of this embodiment, the pressure sensor 3 is an annular pressure sensor 3, and the shank 10 at the tail of the anchor drill 1 extends into the annular hole of the annular pressure sensor 3. After the anchor drill 1 is started, the shank 10 generates pressure on the annular pressure sensor 3.

[0027] In the anchor drill 1 testing device of the present embodiment, the torque sensor 6 is an axial torque sensor 6, and the torque testing mechanism also includes a magnetic powder brake 4 and a drill rod 9. One end of the drill rod 9 is fixedly connected to the measuring shaft 7 of the torque sensor 6, and the other end of the drill rod 9 extends into the head of the anchor drill 1. The anchor drill 1 drives the drill rod 9 to rotate, and the measuring shaft 7 of the torque sensor 6 is fixedly connected to the brake shaft 5 of the magnetic powder brake 4.

[0028] It should be noted that the magnetic powder brake 4 is connected to the tension controller to simulate the working environment of the anchor drill 1. The tension of the magnetic powder brake 4 is adjusted by adjusting the voltage or current through the tension controller so that the tension of the magnetic powder brake 4 is consistent with the working environment of the anchor drill 1.

[0029] In the anchor drilling rig 1 testing device of this embodiment, a first connecting plate 13 and a second connecting plate 14 spaced apart are fixedly disposed on the placement frame 2, the pressure sensor 3 is fixedly disposed on the first connecting plate 13, and the measuring axis 7 passes through the second connecting plate 14 and is fixedly connected to the second connecting plate 14.

[0030] Preferably, the placement rack 2, the first connecting plate 13 and the second connecting plate 14 are all made of 300-type I-beams. The placement rack 2, the first connecting plate 13 and the second connecting plate 14 can be obtained by cutting the 300-type I-beams according to the actual required length. The first connecting plate 13 and the second connecting plate 14 are welded to the placement rack 2. The processing is simple and the structure is stable. At the same time, the placement rack 2 is made of I-beams and can also prevent the anchor drilling rig 1 from falling.

[0031] In the anchor drill 1 testing device of this embodiment, the central axis of the pressure sensor 3, the central axis of the torque sensor 6, and the central axis of the magnetic powder brake 4 are arranged collinearly with the central axis of the anchor drill 1 to ensure the accuracy of the data measured by the pressure sensor 3 and the torque sensor 6.

[0032] In the anchor drill rig 1 testing device of the present embodiment, the placement frame 2 is fixed on the operating table 8 , and the operating table 8 includes a plurality of support legs 11 and a flat plate 12 fixed on the support legs 11 , and the placement frame 2 is fixedly connected to the flat plate 12 .

[0033] It should be noted that, by providing the operating platform 8, the placement height of the anchor drill rig 1 during testing is suitable for operation, thereby reducing the labor intensity of the operator.

[0034] In the test device of the anchor drill 1 of this embodiment, a control display cabinet is also included. The control display cabinet is arranged near the operating table 8. The display screen is arranged on the side wall of the control display cabinet. A controller and a signal converter are arranged in the control display cabinet. The controller is electrically connected to the display. The input end of the signal converter is electrically connected to the output end of the pressure sensor 3 and the output end of the torque sensor 6. The output end of the signal converter is electrically connected to the display screen. Preferably, a remote operation computer electrically connected to the controller is also provided to facilitate the storage and viewing of the measured pressure and torque data.

[0035] Specifically, the display screen includes a pressure display screen and a torque display screen, and the pressure display screen and the torque display screen are independently set, so that the measured pressure and torque data can be more intuitively viewed, and whether the repair of the anchor drilling machine 1 is qualified can be judged in a timely and accurate manner.

[0036] Preferably, the tension controller is also arranged on the control display cabinet, and the operation panel of the tension controller is arranged in parallel with the pressure display screen and the torque display screen, so as to facilitate the operation of the magnetic powder brake 4. At the same time, the operator can timely observe the pressure and torque data displayed on the pressure display screen and the torque display screen.

[0037] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. A bolter testing device, characterized in that: It includes a placement rack, a pressure sensor and a torque testing mechanism, wherein the pressure sensor and the torque testing mechanism are respectively fixed at two ends of the placement rack, and the torque testing mechanism includes a torque sensor. The anchor drill is placed on the placement rack, the head of the anchor drill is connected to the torque sensor, the tail of the anchor drill is abutted against the pressure sensor, and the pressure sensor and the torque sensor are both electrically connected to a display screen.

2. The bolter testing device according to claim 1, characterized in that: The pressure sensor is an annular pressure sensor, and the tail of the anchor drill extends into the annular hole of the annular pressure sensor.

3. The bolter testing device according to claim 1, characterized in that: The torque sensor is an axial torque sensor, and the torque testing mechanism also includes a magnetic powder brake and a drill rod. One end of the drill rod is fixedly connected to the measuring shaft of the torque sensor, and the other end of the drill rod extends into the head of the anchor drill. The anchor drill drives the drill rod to rotate, and the measuring shaft of the torque sensor is fixedly connected to the brake shaft of the magnetic powder brake.

4. The bolter testing device according to claim 3, characterized in that: The placement rack is fixedly provided with a first connecting plate and a second connecting plate which are spaced apart from each other, the pressure sensor is fixedly provided on the first connecting plate, and the measuring shaft passes through the second connecting plate and is fixedly connected to the second connecting plate.

5. The bolter testing device according to claim 4, characterized in that: The placement rack, the first connecting plate and the second connecting plate are all made of I-beams.

6. The bolter testing device according to claim 5, characterized in that: The central axis of the pressure sensor, the central axis of the torque sensor, the central axis of the magnetic powder brake and the central axis of the anchor drilling rig are arranged in a colinear manner.

7. The bolter testing device according to claim 1, characterized in that: The placing rack is fixed on the operating table, the operating table comprises a plurality of supporting legs and a flat plate fixed on the supporting legs, and the placing rack is fixedly connected to the flat plate.

8. The bolter testing device according to any one of claims 1 to 7, characterized in that: It also includes a control display cabinet, which is arranged close to the operating table. The display screen is arranged on the side wall of the control display cabinet. A controller is arranged in the control display cabinet, and the display screen is electrically connected to the controller.

9. The bolter testing device according to claim 8, characterized in that: A signal converter is also provided in the control display cabinet. The input end of the signal converter is electrically connected to the output end of the pressure sensor and the output end of the torque sensor, and the output end of the signal converter is electrically connected to the display screen.

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