Deep hole curtain grouting drilling hole depth measuring device

Abstract

The utility model discloses a deep hole curtain grouting drilling hole depth measuring device, and belongs to the technical field of measuring equipment. Comprising a supporting frame, a winding assembly is installed on the supporting frame, a measuring rope is wound on the winding assembly, and a hammer head is fixedly installed on the measuring rope; a lead screw is rotationally connected to the supporting frame, a second motor is fixedly installed on the supporting frame, an output shaft of the second motor is fixedly connected with the lead screw, a sliding frame is in threaded fit with the lead screw, the sliding frame is in sliding connection with the supporting frame, and a sleeve is fixedly installed on the sliding frame; a plurality of spray heads are fixedly installed on the sleeve, a water tank is fixedly installed on the supporting frame, and the spray heads are communicated with the water tank through connecting pipes. The casing pipe moves to the position over a drill hole, and the operation difficulty of descending of the hammer head is effectively reduced; after measurement is finished, the measuring rope is wound, and the water pump sprays cleaning liquid in the water tank from the spray head to clean the surface of the measuring rope, so that stains on the surface of the measuring rope are reduced, and the cleanliness of the surface of the measuring rope is improved.

Description

Technical Field

[0001] The present application relates to the technical field of measuring equipment, and more specifically, to a deep hole curtain grouting drilling hole depth measuring device. Background Art

[0002] Curtain grouting is a grouting project that injects slurry into the cracks and pores of rock or soil to form a continuous water-blocking curtain to reduce seepage and lower penetration pressure. During the construction of deep hole curtain grouting drilling, segmented drilling and grouting are generally used. Due to the high accuracy requirements of the drilling depth, it is necessary to frequently measure the drilling depth.

[0003] The document with the prior art publication number CN218716741U provides a deep hole curtain grouting drilling depth measuring device, which has the characteristics of convenient, fast and accurate drilling depth measurement, accelerating the speed and efficiency of deep hole curtain drilling depth acceptance, indirectly improving the construction progress of deep hole curtain grouting, etc., and solves the important problems of low efficiency of deep hole curtain drilling depth acceptance, inaccurate hole depth measurement and time-consuming and labor-intensive. In particular, it plays a positive and important role in ensuring the efficiency and accuracy of deep hole curtain grouting drilling depth measurement and improving the construction progress of curtain grouting. In addition, by setting a cleaning mechanism, it is convenient to use cleaning cotton to clean the dirt on the surface of the scale measuring rope during the winding process, thereby reducing the dirt on the surface of the scale measuring rope.

[0004] Although the above-mentioned prior art solutions can achieve the relevant beneficial effects through the structure of the prior art, it is difficult to clean the dirt adhering to the surface of the measuring rope only by cleaning cotton. In view of this, we propose a deep hole curtain grouting drilling hole depth measurement device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the present application is to provide a deep hole curtain grouting drilling depth measuring device, which solves the technical problem in the prior art that it is difficult to clean the dirt adhering to the surface of the measuring rope only by using cleaning cotton, and achieves the technical effect of improving the cleaning ability.

[0007] 2. Technical solution

[0008] The embodiment of the present application provides a deep hole curtain grouting drilling hole depth measuring device, including a support frame, a winding assembly is installed on the support frame, a measuring rope is wound on the winding assembly, and a hammer is fixedly installed on the measuring rope to assist the falling of the measuring rope;

[0009] The support frame is rotatably connected with a screw rod, the support frame is fixedly mounted with a second motor, the output shaft of the second motor is fixedly connected with the screw rod, the screw rod is threadedly matched with a sliding frame, the sliding frame is slidably connected with the support frame, and the sliding frame is fixedly mounted with a sleeve;

[0010] A plurality of nozzles are fixedly mounted on the sleeve, a water tank is fixedly mounted on the support frame, and the nozzles are connected with the water tank through connecting pipes.

[0011] By adopting the above technical solution, when measuring the drilling depth, the output shaft of the second motor drives the screw to rotate, and drives the sliding frame to move through the threaded transmission, so that the casing is moved to the top of the drill hole, effectively reducing the difficulty of lowering the hammer head; after the measurement is completed, the measuring rope is reeled in, and the water pump sprays the cleaning liquid in the water tank from the nozzle to clean the surface of the measuring rope, thereby reducing stains on the surface of the measuring rope and improving the cleanliness of the surface of the measuring rope.

[0012] As an optional solution of the technical solution of this application document, the winding assembly includes a winding roller and a first motor, the winding roller is rotatably connected to the support frame, the measuring rope is wound on the winding roller, and the output shaft of the first motor is fixedly connected to the winding roller.

[0013] By adopting the above technical solution, the output shaft of the first motor drives the winding roller to rotate on the support frame, and the winding roller winds or releases the measuring rope, thereby realizing the measurement of the drilling depth.

[0014] As an optional solution of the technical solution of this application document, a scale is provided on the measuring rope.

[0015] As an optional solution to the technical solution of the present application document, two sets of adjustment plates are slidably connected to the sliding frame, and the adjustment plates are distributed on both sides of the sleeve. Cleaning cotton is fixedly installed on the adjustment plate for cleaning the surface of the measuring rope. An elastic part is installed on the adjustment plate, one end of the elastic part is fixedly connected to the adjustment plate, and the other end is fixedly connected to the sliding frame.

[0016] By adopting the above technical solution, after the measuring rope is cleaned by the cleaning liquid, the cleaning cotton is tightly attached to the surface of the measuring rope under the action of the elastic member, thereby further cleaning the surface of the measuring rope and improving the cleaning effect.

[0017] As an optional solution of the technical solution of the present application document, it also includes a limit frame, which is U-shaped, and a limit slot is provided on the adjustment plate, and the limit frame is inserted into the limit slots on the two sets of adjustment plates.

[0018] By adopting the above technical solution, the limit frame is inserted into the limit grooves on the two sets of adjustment plates, so as to realize the separation of the cleaning cotton and the measuring rope, and effectively reduce the difficulty of lowering the measuring rope;

[0019] When in use, the output shaft of the second motor drives the lead screw to rotate, and drives the sliding frame to move through the threaded transmission, so that the casing moves to the top of the drill hole, and the output shaft of the first motor drives the winding roller to rotate on the support frame, and the winding roller releases the measuring rope to measure the depth of the drill hole; when winding, the limit frame is pulled away from the adjusting plate, the cleaning cotton clamps the measuring rope, and the water pump sprays the cleaning fluid in the water tank from the nozzle to clean the surface of the measuring rope.

[0020] 3. Beneficial effects

[0021] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0022] 1. When measuring the drilling depth, the output shaft of the second motor drives the screw to rotate, and drives the sliding frame to move through the threaded transmission, so that the casing moves to the top of the drill hole, effectively reducing the difficulty of lowering the hammer head; after the measurement is completed, the measuring rope is wound up, and the water pump sprays the cleaning liquid in the water tank from the nozzle to clean the surface of the measuring rope, thereby reducing stains on the surface of the measuring rope and improving the cleanliness of the surface of the measuring rope.

[0023] 2. After the measuring rope is cleaned with the cleaning liquid of the present application, the cleaning cotton is tightly attached to the surface of the measuring rope under the action of the elastic member, thereby further cleaning the surface of the measuring rope and improving the cleaning effect.

[0024] 3. The limit frame of the present application is inserted into the limit grooves on the two sets of adjustment plates, thereby realizing the separation of the cleaning cotton and the measuring rope, effectively reducing the difficulty of lowering the measuring rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of a deep hole curtain grouting drilling hole depth measurement device disclosed in a preferred embodiment of the present application;

[0026] Figure 2 A partial structural schematic diagram of a deep hole curtain grouting drilling hole depth measuring device disclosed in a preferred embodiment of the present application;

[0027] Figure 3 A schematic diagram of the structure of a limit frame of a deep hole curtain grouting drilling hole depth measuring device disclosed in a preferred embodiment of the present application.

[0028] Explanation of the numbers in the figure: 1. Support frame; 2. Winding roller; 3. Measuring rope; 4. Hammer; 5. First motor; 6. Screw rod; 7. Second motor; 8. Sliding frame; 9. Through hole; 10. Casing; 11. Nozzle; 12. Water tank; 13. Adjustment plate; 14. Cleaning cotton; 15. Elastic part; 16. Limit frame; 17. Limit groove. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings.

[0030] Reference Figures 1 to 3 The present embodiment discloses a deep hole curtain grouting drilling hole depth measuring device, including a support frame 1, a winding roller 2 is rotatably connected to the support frame 1, a measuring rope 3 is wound on the winding roller 2, a scale is set on the measuring rope 3 to facilitate the measurement of the drilling depth, a hammer 4 is fixedly installed on the measuring rope 3 to assist the falling of the measuring rope 3, a first motor 5 is fixedly installed on the support frame 1, and the output shaft of the first motor 5 is fixedly connected to the winding roller 2. The output shaft of the first motor 5 drives the winding roller 2 to rotate on the support frame 1, and the winding roller 2 winds or releases the measuring rope 3, thereby realizing the measurement of the drilling depth.

[0031] The support frame 1 is rotatably connected with a screw rod 6, a second motor 7 is fixedly installed on the support frame 1, the output shaft of the second motor 7 is fixedly connected with the screw rod 6, a sliding frame 8 is threadedly matched on the screw rod 6, the sliding frame 8 is slidably connected with the support frame 1, a through hole 9 is opened on the support frame 1, a sleeve 10 is fixedly installed on the sliding frame 8, the sleeve 10 passes through the through hole 9, and the measuring rope 3 passes through the sleeve 10. When measuring the drilling depth, the output shaft of the second motor 7 drives the screw rod 6 to rotate, and drives the sliding frame 8 to move through the threaded transmission, so that the sleeve 10 moves to the top of the drill hole, effectively reducing the difficulty of the hammer head 4 to lower the operation.

[0032] A plurality of nozzles 11 are fixedly mounted on the sleeve 10, a water tank 12 is fixedly mounted on the support frame 1, and the nozzles 11 are connected to the water tank 12 through a connecting pipe. After the measurement is completed, the measuring rope 3 is rolled up, and the water pump sprays the cleaning liquid in the water tank 12 from the nozzles 11 to clean the surface of the measuring rope 3, thereby reducing the stains on the surface of the measuring rope 3 and improving the cleanliness of the surface of the measuring rope 3.

[0033] Two groups of adjustment plates 13 are slidably connected to the sliding frame 8. The adjustment plates 13 are distributed on both sides of the sleeve 10. Cleaning cotton 14 is fixedly installed on the adjustment plates 13 for cleaning the surface of the measuring rope 3. An elastic member 15 is installed on the adjustment plate 13. One end of the elastic member 15 is fixedly connected to the adjustment plate 13, and the other end is fixedly connected to the sliding frame 8. After the cleaning liquid cleans the measuring rope 3, under the action of the elastic member 15, the cleaning cotton 14 is closely attached to the surface of the measuring rope 3, thereby further cleaning the surface of the measuring rope 3 and improving the cleaning effect.

[0034] The measuring device also includes a limit frame 16, which is U-shaped. A limit groove 17 is provided on the adjustment plate 13. The limit frame 16 is inserted into the limit grooves 17 on the two groups of adjustment plates 13, thereby realizing the separation of the cleaning cotton 14 from the measuring rope 3, effectively reducing the difficulty of lowering the measuring rope 3.

[0035] When a deep hole curtain grouting drilling depth measuring device disclosed in an embodiment of the present application is in use, the output shaft of the second motor 7 drives the screw 6 to rotate, and drives the sliding frame 8 to move through the threaded transmission, so that the casing 10 moves to the top of the borehole, and the output shaft of the first motor 5 drives the winding roller 2 to rotate on the support frame 1, and the winding roller 2 releases the measuring rope 3 to measure the drilling depth; when winding, the limit frame 16 is pulled away from the adjustment plate 13, the cleaning cotton 14 clamps the measuring rope 3, and the water pump sprays the cleaning liquid in the water tank 12 from the nozzle 11 to clean the surface of the measuring rope 3.

Claims

1. A deep hole curtain grouting drilling hole depth measuring device, characterized in that: It comprises a support frame (1), a winding assembly is mounted on the support frame (1), a measuring rope (3) is wound on the winding assembly, and a hammer head (4) is fixedly mounted on the measuring rope (3) for assisting the falling of the measuring rope (3); The support frame (1) is rotatably connected to a screw rod (6), a second motor (7) is fixedly mounted on the support frame (1), an output shaft of the second motor (7) is fixedly connected to the screw rod (6), a sliding frame (8) is threadedly engaged on the screw rod (6), the sliding frame (8) is slidably connected to the support frame (1), and a sleeve (10) is fixedly mounted on the sliding frame (8); A plurality of spray heads (11) are fixedly mounted on the sleeve (10), a water tank (12) is fixedly mounted on the support frame (1), and the spray heads (11) are connected to the water tank (12) via a connecting pipe.

2. A deep hole curtain grouting drilling hole depth measuring device according to claim 1, characterized in that: The winding assembly comprises a winding roller (2) and a first motor (5); the winding roller (2) is rotatably connected to the support frame (1); the measuring rope (3) is wound on the winding roller (2); and the output shaft of the first motor (5) is fixedly connected to the winding roller (2).

3. A deep hole curtain grouting drilling hole depth measuring device according to claim 1, characterized in that: The measuring rope (3) is provided with a scale.

4. A deep hole curtain grouting drilling hole depth measuring device according to claim 1, characterized in that: The sliding frame (8) is slidably connected with two groups of adjustment plates (13), the adjustment plates (13) are distributed on both sides of the sleeve (10), cleaning cotton (14) is fixedly installed on the adjustment plates (13) for cleaning the surface of the measuring rope (3), and an elastic member (15) is installed on the adjustment plate (13), one end of the elastic member (15) is fixedly connected to the adjustment plate (13), and the other end is fixedly connected to the sliding frame (8).

5. A deep hole curtain grouting drilling hole depth measuring device according to claim 4, characterized in that: The invention also comprises a limiting frame (16), which is U-shaped, and a limiting groove (17) is provided on the adjustment plate (13). The limiting frame (16) is inserted into the limiting grooves (17) on the two groups of adjustment plates (13).

Images