Underground diaphragm wall groove depth measuring device

By using mobile seats and automated rope measurement control devices in underground continuous wall construction, the problems of cumbersome operation and difficulty in line-end judgment in groove depth measurement are solved, and the automation and accuracy of groove depth measurement are achieved.

CN223166126UActive Publication Date: 2025-07-29CHINA FIRST HIGHWAY ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202422183381.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-07-29
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

In the construction of underground continuous walls, trough depth measurement requires frequent retraction and release of lines, which is very labor-intensive for human operation and is difficult to judge when the line ends are bottomed out.

Method used

An underground continuous wall groove depth measurement device is adopted, including a mobile seat, a digital control panel, a power assembly, a reel, a rotary encoder and a terminal prompt mechanism. Through the coordination of the counterweight lead block and the friction wheel, the length of the measuring rope is automatically calculated, and the measuring rope is evenly wound when the line is retracted.

Benefits of technology

The automation and accuracy of groove depth measurement is achieved, the workload of human operations is reduced, and the accuracy of line bottoming judgment is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an underground diaphragm wall groove depth measuring device which comprises a movable saddle and a digital display control panel arranged on the movable saddle, a power assembly a is installed on the movable saddle, the output end of the power assembly a is connected with a wire wheel, and the front side of the wire wheel is provided with a reciprocating motion guide assembly. According to the utility model, the telescopic rod piece is stretched, the grooved wheel is suspended above the underground diaphragm wall, the power assembly a drives the wire wheel to rotate, the measuring rope is paid off under the action of the counterweight lead block, the telescopic rod piece is pressed on the pressure gauge in the paid-off process, the reading is relatively stable, when the reading is suddenly reduced, the counterweight lead block touches the bottom, and the measuring rope is paid off. The measuring rope makes contact with the friction wheel and drives the friction wheel to rotate, a signal is transmitted to the rotary encoder, the paying-off length of the measuring rope can be calculated according to the formula pi * R / pulse number and the radius R of the friction wheel, meanwhile, during taking-up, the power assembly b drives the sliding base to move in a reciprocating mode, and the measuring rope can be evenly wound around the rope wheel.
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Description

Technical Field

[0001] The utility model relates to the technical field of diaphragm wall construction, in particular to a device for measuring the groove depth of a diaphragm wall. Background Art

[0002] A diaphragm wall is a trench excavation machine used in foundation engineering on the ground. Along the peripheral axis of a deep excavation project, a narrow and long deep trench is excavated under the condition of slurry wall protection. After the trench is cleaned, a steel reinforcement cage is hoisted into the trench, and then underwater concrete is poured by the duct method to form a unit trench section. In this way, section by section, a continuous reinforced concrete wall is built underground as a water cutoff, anti-seepage, load-bearing, and water retaining structure; during the construction of a diaphragm wall, it is necessary to repeatedly measure its depth, and the wire winding and unwinding are relatively frequent, the manual workload is large, and it is not easy to judge when the wire end touches the bottom. Content of the Utility Model

[0003] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a device for measuring the groove depth of a diaphragm wall.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A device for measuring the groove depth of a diaphragm wall includes a moving seat and a digital display control panel arranged thereon. A power assembly a is installed on the moving seat, the output end of the power assembly a is connected to a wire wheel, a reciprocating movement guiding assembly is arranged in front of the wire wheel, a rotary encoder is installed on the reciprocating movement guiding assembly, a friction wheel is arranged at the input end of the rotary encoder, a terminal prompt mechanism is arranged in front of the reciprocating movement guiding assembly, a measuring rope is wound around the wire wheel, and the measuring rope passes through the reciprocating movement guiding assembly and the terminal prompt mechanism and is connected with a counterweight lead block.

[0006] Preferably, the reciprocating movement guiding assembly includes a guiding rod, a lead screw and a power assembly b arranged on the moving seat. The output end of the power assembly b is connected to the lead screw, a sliding seat is in threaded connection with the lead screw, the sliding seat is slidably arranged on the guiding rod, and transverse guiding rollers and vertical guiding rollers are respectively arranged at the front and rear ends of the sliding seat.

[0007] Preferably, the terminal prompt mechanism includes a mounting seat installed on the moving seat, a telescopic rod member is rotatably connected to the mounting seat, a grooved wheel is rotatably connected to the end of the telescopic rod member, and a pressure gauge is installed on the mounting seat and is located below the telescopic rod member.

[0008] Preferably, the telescopic rod member includes a rod sleeve, a moving rod is slidably arranged in the rod sleeve, and a locking bolt for fixing the moving rod is in threaded connection with the rod sleeve.

[0009] Preferably, a plurality of mesh plates are installed on the moving seat and arranged around the wire wheel.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: When the telescopic rod member of the utility model is stretched and the grooved wheel is suspended above the diaphragm wall, the power assembly a drives the wire wheel to rotate. Under the action of the counterweight lead block, the measuring rope is paid out. During the pay-out process, the telescopic rod member presses on the pressure gauge, and its reading is relatively stable. When the reading suddenly decreases, it means that the counterweight lead block touches the bottom, the measuring rope contacts the friction wheel and drives it to rotate, and the signal is transmitted to the rotary encoder. According to the formula π*R / pulse number and the radius R of the friction wheel, the pay-out length of the measuring rope can be calculated. At the same time, when taking in the line, the power assembly b drives the sliding seat to reciprocate, and the measuring rope can be evenly wound onto the wire wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more specifically and intuitively illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0012] Figure 1 Structural schematic diagram proposed by the present utility model Figure 1 ;

[0013] Figure 2 Structural schematic diagram proposed by the present utility model Figure 2 ;

[0014] Figure 3 Structural schematic diagram proposed by the present utility model Figure 3 .

[0015] In the figure: moving seat 1, power assembly a 2, wire wheel 3, power assembly b 4, mounting seat 5, telescopic rod member 6, pressure gauge 7, grooved wheel 8, sliding seat 9, lead screw 10, horizontal guide roller 11, vertical guide roller 12, digital display control panel 13, rotary encoder 14, friction wheel 15, guide rod 16. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0017] Refer to Figures 1-3, an underground diaphragm wall groove depth measuring device, including a moving seat 1 and a digital display control panel 13 arranged thereon. A power component a2 is installed on the moving seat 1, the output end of the power component a2 is connected to a wire reel 3, a reciprocating movement guiding component is arranged on the front side of the wire reel 3, a rotary encoder 14 is installed on the reciprocating movement guiding component, a friction wheel 15 is arranged at the input end of the rotary encoder 14, a terminal prompting mechanism is arranged on the front side of the reciprocating movement guiding component, a measuring rope is wound around the wire reel 3, the measuring rope passes through the reciprocating movement guiding component and the terminal prompting mechanism and is connected with a counterweight lead block.

[0018] Stretch the telescopic rod 6, suspend the grooved wheel 8 above the underground diaphragm wall, the power component a2 drives the wire reel 3 to rotate, under the action of the counterweight lead block, pay out the measuring rope. During the pay-out process, the telescopic rod 6 presses on the pressure gauge 7, and its reading is relatively stable. When its reading suddenly decreases, it means that the counterweight lead block touches the bottom, the measuring rope contacts the friction wheel 15 and drives it to rotate, transmits the signal to the rotary encoder 14, and the length of the measuring rope pay-out can be calculated according to the formula π*R / pulse number and the radius R of the friction wheel 15. At the same time, when taking in the rope, the power component b4 drives the sliding seat 9 to reciprocate, and the measuring rope can be evenly wound onto the wire reel 3.

[0019] In this implementation scheme, the reciprocating movement guiding component includes a guiding rod 16, a lead screw 10 and a power component b4 arranged on the moving seat 1. The output end of the power component b4 is connected to the lead screw 10, a sliding seat 9 is threadedly connected to the lead screw 10, the sliding seat 9 is slidably arranged with the guiding rod 16, and transverse guiding rollers 11 and vertical guiding rollers 12 are respectively arranged at the front and rear ends of the sliding seat 9.

[0020] In this implementation scheme, the terminal prompting mechanism includes a mounting seat 5 installed on the moving seat 1, a telescopic rod 6 is rotatably connected to the mounting seat 5, the end of the telescopic rod 6 is rotatably connected to a grooved wheel 8, a pressure gauge 7 is installed on the mounting seat 5, the pressure gauge 7 is located below the telescopic rod 6. During the pay-out process, the telescopic rod 6 presses on the pressure gauge 7, and its reading is relatively stable. When its reading suddenly decreases, it means that the counterweight lead block touches the bottom.

[0021] In this implementation scheme, the telescopic rod 6 includes a rod sleeve, a moving rod is slidably arranged in the rod sleeve, and a locking bolt for fixing the moving rod is threadedly connected to the rod sleeve, and the pay-out position is changed by changing its length.

[0022] In this implementation scheme, a plurality of mesh plates are installed on the moving seat 1 around the wire reel 3 to improve its safety.

[0023] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, making equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims

1. An underground diaphragm wall groove depth measuring device, comprising a moving seat (1) and a digital display control panel (13) arranged thereon, characterized in that, A power component a (2) is installed on the movable seat (1). The output end of the power component a (2) is connected to a wire reel (3). A reciprocating movement guiding component is arranged on the front side of the wire reel (3). A rotary encoder (14) is installed on the reciprocating movement guiding component. A friction wheel (15) is arranged at the input end of the rotary encoder (14). A terminal prompt mechanism is arranged on the front side of the reciprocating movement guiding component. A measuring rope is wound around the wire reel (3). The measuring rope passes through the reciprocating movement guiding component and the terminal prompt mechanism and is connected with a counterweight lead block.

2. The underground diaphragm wall groove depth measuring device according to claim 1, characterized in that The reciprocating movement guiding component includes a guiding rod (16), a lead screw (10) and a power component b (4) arranged on the movable seat (1). The output end of the power component b (4) is connected to the lead screw (10). A sliding seat (9) is threadedly connected to the lead screw (10). The sliding seat (9) is slidably arranged with the guiding rod (16). Horizontal guiding rollers (11) and vertical guiding rollers (12) are respectively arranged at the front and rear ends of the sliding seat (9).

3. The underground diaphragm wall groove depth measuring device according to claim 2, characterized in that, The terminal prompt mechanism includes a mounting seat (5) installed on the movable seat (1). A telescopic rod member (6) is rotatably connected to the mounting seat (5). A grooved wheel (8) is rotatably connected to the end of the telescopic rod member (6). A pressure gauge (7) is installed on the mounting seat (5). The pressure gauge (7) is located below the telescopic rod member (6).

4. The underground diaphragm wall groove depth measuring device according to claim 3, characterized in that, The telescopic rod member (6) includes a rod sleeve. A moving rod is slidably arranged in the rod sleeve. A locking bolt for fixing the moving rod is threadedly connected to the rod sleeve.

5. The underground diaphragm wall groove depth measuring device according to claim 4, characterized in that, A plurality of mesh plates arranged around the wire reel (3) are installed on the movable seat (1).