Automatic waterproof plate laying equipment for preventing leakage in tunnel construction

Abstract

The utility model relates to the technical field of automatic laying of tunnel construction, in particular to an anti-leakage waterproof plate automatic laying device in tunnel construction, which comprises a supporting table, a driving motor and a limiting frame, a rotating mechanism is arranged on the supporting table, the rotating mechanism comprises a sliding rail and a connecting bracket, sliding blocks are correspondingly and slidably connected to the two sides of the sliding rail, and the sliding blocks are arranged on the supporting table. The opposite side faces of the two sliding blocks are jointly and fixedly connected with the inner side face of a bearing support, rotating shafts are fixedly connected with the outer side faces of the bearing support, the rotating shafts are fixedly connected with connecting supports, and the rotating ends of the two ends of the driving motor are fixedly connected with the connecting supports. Through the arrangement of the rotating mechanism, the driving motor drives the connecting bracket, the rotating shaft, the bearing support, the sliding block and the waterproof plate placing assembly to rotate, so that the rotating roller on the waterproof plate close to the arc-shaped surface of the tunnel presses the waterproof plate, and the waterproof plate can automatically complete laying of the arc-shaped surface of the tunnel.

Description

Technical Field

[0001] This application relates to the field of automatic laying technology in tunnel construction, and in particular to an automatic laying device for waterproof membrane to prevent leakage in tunnel construction. Background Technology

[0002] Water leakage is a common problem in tunnel engineering, directly affecting structural safety and service life. Traditional manual installation of waterproof membranes is inefficient and of inconsistent quality, making it difficult to meet the construction requirements of complex tunnel cross-sections. This leads to improper joint treatment and uneven installation, which can easily create leakage channels.

[0003] A search revealed Chinese Patent Publication No. CN214118208U, which discloses a tunnel waterproofing material laying device, including a support plate and a base. Several hydraulic cylinders are evenly installed on the top of the support plate. This invention utilizes an electric rotary table, hydraulic cylinders, a first telescopic rod, a single-wheel smoothing roller, and a double-wheel smoothing roller. In actual use, the waterproofing material first passes through the double-wheel smoothing roller, then through the single-wheel smoothing roller, and finally is clamped in the clamping mechanism. The pressure and support of the two sets of smoothing rollers ensure the flatness of the material during laying, improving its waterproofing performance. The height of the support plate can be adjusted by extending and retracting the first telescopic rod, and the laying height of the waterproofing material can be adjusted by adjusting the height of the hydraulic cylinders. After the height is adjusted, the angles of the multiple sets of electric rotary tables are adjusted to ensure the laying material conforms to the tunnel wall, improving the laying effect. The device as a whole has the advantages of smooth laying and laying in tunnels of different heights.

[0004] Regarding the aforementioned technologies, the inventors have discovered the following defects in this patent:

[0005] During the installation of waterproof membrane on the curved surface of a tunnel, if the waterproof membrane on the winding roller is not equipped with a locking structure, it will rotate and become loose, causing the waterproof membrane to fall off and become contaminated with dust.

[0006] Therefore, in response to the above problems, the applicant provides an automatic waterproofing membrane laying device for tunnel construction to prevent leakage. Utility Model Content

[0007] In order to solve the problems mentioned in the background art, this application provides an automatic waterproof membrane laying device for seepage prevention in tunnel construction.

[0008] This application provides an automatic waterproofing membrane laying device for tunnel construction, which adopts the following technical solution:

[0009] An automatic waterproofing membrane laying device for seepage prevention in tunnel construction includes a support platform, a drive motor, and a limiting frame. A rotating mechanism is provided on the support platform. The rotating mechanism includes a slide rail and a connecting bracket. Sliding blocks are slidably connected to both sides of the slide rail. The opposite sides of the two sliding blocks are fixedly connected to the inner side of the bearing support. A rotating shaft is fixedly connected to the outer side of the bearing support. A connecting bracket is fixedly connected to the rotating shaft. Connecting brackets are fixedly connected to both rotating ends of the drive motor.

[0010] The bearing support is provided with a clamping mechanism, which includes a sleeve, a sleeve rod sleeved on the sleeve, and a spring sleeved on the sleeve rod.

[0011] The limiting frame is equipped with a self-locking mechanism, which includes a ratchet, a pawl, and a tension spring. The pawl is engaged with the ratchet, and hooks are fixedly connected to both sides of the pawl. Tension springs are hung on the hooks.

[0012] Optionally, it also includes a walking assembly, which consists of a support platform, non-steering wheels and positioning plates. The support platform is equipped with non-steering wheels on its bottom surface, and four positioning plates are fixedly connected to both sides of the support platform. The edge of one end of the four positioning plates contacts the circular surface of the tunnel, and the four non-steering wheels are rolled and connected to the foundation of the tunnel.

[0013] Optionally, the two sides of the support platform are fixedly connected to a slide rail, and the inner walls of both ends of the slide rail are horizontally fixedly connected to a support seat. A drive motor is bolted to the top of the support seat, and the drive motor is connected to an external power supply. The slide rail, support seat, drive motor, connecting bracket, rotating shaft, bearing support and sliding block are combined to form a rotating assembly.

[0014] Optionally, a base for an electric push rod is horizontally fixedly installed on one side of the bearing support. The electric push rod is connected to an external power source, and a sleeve is fixedly connected to the output end of the electric push rod. The electric push rod, sleeve, rod, and spring are combined to form a telescopic assembly.

[0015] Optionally, the sleeve rod is fixedly connected to a positioning frame, the positioning frame has a through-hole, and brackets are fixedly connected to both sides of the positioning frame.

[0016] Optionally, the positioning frame is rotatably connected to two rotating rollers at both ends, and a winding roller is rotatably connected between the two supports. The winding roller winds a waterproof membrane, which passes over the two rotating rollers in sequence. A winding isolation film roller is provided above the horizontal center point of the two rotating rollers and below the winding roller. The winding isolation film roller is rotatably connected to the support. The positioning frame, the support, the winding roller, the rotating roller, and the winding isolation film roller are combined to form a waterproof membrane placement assembly.

[0017] Optionally, a limit frame is fixedly connected to the outer side of one of the ratchet wheels, the limit frame is fixedly connected to a connecting shaft, and the connecting shaft is rotatably connected to a pawl.

[0018] Optionally, one end of the winding roller is fixedly connected to the inner ring of a ratchet, and one end of each of the two tension springs is hung together on the double-hanging integrated rod. Both ends of the double-hanging integrated rod are fixedly connected to the inner side of the limiting frame. The ratchet, pawl, connecting shaft, hook, tension spring, and double-hanging integrated rod are combined to form a ratchet and pawl assembly.

[0019] In summary, this application includes the following beneficial technical effects:

[0020] 1. This utility model, through the setting of a rotating mechanism, drives a motor to rotate the connecting bracket, rotating shaft, bearing support, sliding block and waterproof membrane placement assembly, so that the rotating roller on the waterproof membrane close to the tunnel arc surface presses the waterproof membrane, thereby enabling the waterproof membrane to automatically complete the laying of the tunnel arc surface.

[0021] 2. In this utility model, the clamping mechanism is set up so that when the drive motor drives the rotating roller on the waterproof plate close to the curved surface of the tunnel to rotate, the spring rebound will make the rotating roller close to the tunnel press tightly against the waterproof plate, thereby making the waterproof plate more tightly bonded to the curved surface of the tunnel.

[0022] 3. The ratchet and pawl mechanism of this utility model has a tension spring that limits the position of the pawl, so that the pawl engages with the ratchet. The state in which the pawl engages with the ratchet causes the winding roller to rotate in one direction, so that it will not rotate back in the stationary state, thus preventing the waterproof cotton from loosening and falling to the bottom of the tunnel and causing it to get dusty. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure in an embodiment of this application;

[0024] Figure 2 This is a schematic diagram of the walking component, rotating component, telescopic component, waterproof plate placement component, and ratchet and pawl component in the embodiments of this application;

[0025] Figure 3 This is a schematic diagram of the disassembled structure of the rotating component in an embodiment of this application;

[0026] Figure 4 This is a schematic diagram showing the disassembled structure of the telescopic component, the waterproof membrane placement component, and the ratchet and pawl component in the embodiments of this application;

[0027] Figure 5 This is a schematic diagram of the disassembled structure of the telescopic component in an embodiment of this application;

[0028] Figure 6 This is a schematic diagram of the disassembled structure of the waterproof membrane placement component in an embodiment of this application;

[0029] Figure 7 This is a schematic diagram of the ratchet and pawl assembly structure in an embodiment of this application.

[0030] Reference numerals: 1. Tunnel; 2. Walking assembly; 20. Support platform; 21. Non-steering wheel; 22. Positioning plate; 3. Rotating assembly; 30. Slide rail; 31. Support seat; 32. Drive motor; 33. Connecting bracket; 34. Rotating shaft; 35. Bearing support; 36. Sliding block; 4. Telescopic assembly; 40. Electric push rod; 41. Sleeve; 42. Sleeve rod; 43. Spring; 5. Waterproof membrane placement assembly; 50. Positioning frame; 500. Limiting groove; 51. Bracket; 52. Winding roller; 53. Rotating roller; 54. Winding isolation film roller; 6. Ratchet and pawl assembly; 60. Limiting frame; 61. Ratchet; 62. Pawl; 63. Connecting shaft; 64. Hook; 65. Tension spring; 66. Double-hook integrated rod. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0032] This application discloses an automatic waterproofing membrane laying device for preventing seepage during tunnel construction.

[0033] like Figure 1-7 As shown, an automatic waterproofing membrane laying device for seepage prevention in tunnel construction includes a support platform 20, a drive motor 32, and a limiting frame 60. A rotating mechanism is provided on the support platform 20. The rotating mechanism includes a slide rail 30 and a connecting bracket 33. Sliding blocks 36 are slidably connected to both sides of the slide rail 30. The opposite sides of the two sliding blocks 36 are fixedly connected to the inner side of the bearing support 35. A rotating shaft 34 is fixedly connected to the outer side of the bearing support 35. The rotating shaft 34 is fixedly connected to the connecting bracket 33. The rotating ends of the drive motor 32 are fixedly connected to the connecting bracket 33.

[0034] A clamping mechanism is provided on the bearing support 35. The clamping mechanism includes a sleeve 41, a sleeve rod 42 sleeved on the sleeve 41, and a spring 43 sleeved on the sleeve rod 42.

[0035] The limit frame 60 is equipped with a self-locking mechanism, which includes a ratchet 61, a pawl 62 and a tension spring 65. The pawl 62 is engaged with the ratchet 61, and hooks 64 are fixedly connected to both sides of the pawl 62. The tension spring 65 is hooked on the hooks 64.

[0036] Please see Figure 2It also includes a walking component 2, which consists of a support platform 20, non-steering wheels 21, and positioning plates 22. The support platform 20 is equipped with non-steering wheels 21 on its bottom surface, and four positioning plates 22 are fixedly connected to both sides of the support platform 20. The edge of one end of the four positioning plates 22 contacts the circular surface of the tunnel 1. The four non-steering wheels 21 are rolled and connected to the foundation of the tunnel 1. The four positioning plates 22 are used to position the support platform 20 in the middle of the tunnel 1. The non-steering wheels 21 can both drive the device to move and support the device. At the same time, each non-steering wheel 21 is equipped with a brake pad to keep the device stationary.

[0037] Please see Figure 2 The two sides of the support platform 20 are fixedly connected to the slide rail 30. The inner walls of the two ends of the slide rail 30 are horizontally fixedly connected to the support seat 31. The top of the support seat 31 is bolted to the drive motor 32. The drive motor 32 is connected to an external power supply. The slide rail 30, support seat 31, drive motor 32, connecting bracket 33, rotating shaft 34, bearing support 35 and sliding block 36 are combined to form the rotating assembly 3. The bolts position the drive motor 32 on the support seat 31, that is, the bolts are installed on both sides of the middle part of the support seat 31. The bolts are not drawn in the attached drawings of this specification because they are conventional and easy to install.

[0038] Please see Figure 3 and Figure 4 The base of the electric push rod 40 is horizontally fixed on one side of the bearing support 35. The electric push rod 40 is connected to an external power source. The output end of the electric push rod 40 is fixedly connected to a sleeve 41. The electric push rod 40, sleeve 41, sleeve rod 42 and spring 43 are combined to form a telescopic component 4. When preparing to push the walking component 2 into the tunnel 1, the switch of the electric push rod 40 is turned on to make it retracted. This prevents the waterproof membrane on the waterproof membrane placement component 5 from touching the inner wall of the tunnel 1 and causing damage during the process of the walking component 2 entering the tunnel 1, and also increases the walking resistance.

[0039] Please see Figure 5 and Figure 6 The sleeve rod 42 is fixedly connected to the positioning frame 50, and the positioning frame 50 has a limit groove 500 through it. Both sides of the positioning frame 50 are fixedly connected to the bracket 51. The positioning frame 50 and the bracket 51 are made of lightweight aluminum alloy, mainly to reduce the supporting force of the telescopic component 4 and the force of the drive motor 32 when it is rotating.

[0040] Please see Figure 4The positioning frame 50 has two rotating rollers 53 rotatably connected to both ends, and a winding roller 52 is rotatably connected between the two supports 51. The winding roller 52 winds a waterproof membrane, which passes around the two rotating rollers 53 in sequence. A winding isolation film roller 54 is set above the horizontal center point of the two rotating rollers 53 and below the winding roller 52. The winding isolation film roller 54 is rotatably connected to the support 51. The positioning frame 50, support 51, winding roller 52, rotating roller 53 and winding isolation film roller 54 are combined to form a waterproof membrane placement assembly 5. The waterproof membrane on the rotating roller 53 is in a 45° lying "S" state. The operator positions the waterproof membrane joint by hand and keeps it stationary. The waterproof membrane in this application is a self-adhesive waterproof membrane. Here, a motor is installed at one end of the winding isolation film roller 54. The motor drives the winding isolation film roller 54 to rotate, thereby winding the isolation film of the waterproof membrane to the contact surface of the tunnel 1.

[0041] Please see Figure 4 One of the ratchet 61 is fixedly connected to a limit frame 60 on its outer side. The limit frame 60 is fixedly connected to a connecting shaft 63, and the connecting shaft 63 is rotatably connected to a pawl 62.

[0042] Please see Figure 4 One end of the winding roller 52 is fixedly connected to the inner ring of the ratchet 61. One end of each of the two tension springs 65 is hung on the double-hook integrated rod 66. Both ends of the double-hook integrated rod 66 are fixedly connected to the inner side of the limiting frame 60. The ratchet 61, pawl 62, connecting shaft 63, hook 64, tension spring 65 and double-hook integrated rod 66 are combined to form the ratchet and pawl assembly 6. The tension spring 65 pulls the pawl 62 to position the ratchet 61. Positioning the ratchet 61 positions the winding roller 52, thus preventing the waterproof plate on the winding roller 52 from falling off or becoming loose.

[0043] The implementation principle of an automatic waterproofing membrane laying device for tunnel construction according to an embodiment of this application is as follows:

[0044] like Figure 1 In the state shown, the device is first pushed into tunnel 1. At this time, the drive motor 32 rotates to the bottom of the arc surface of tunnel 1. The working stroke of the drive motor 32 is to rotate around the arc surface of tunnel 1. Its working process is as follows:

[0045] The operator pulls out a portion of the waterproof membrane, then tears off the release film on the waterproof membrane and winds it onto the release film roller 54. Then, the electric push rod 40 is activated. The electric push rod 40 drives the sleeve 41, sleeve rod 42 and waterproof membrane placement assembly 5 to approach the arc surface of tunnel 1. When the electric push rod 40 is fully extended, the waterproof membrane adheres to the arc surface of tunnel 1.

[0046] Turn on the drive motor 32 and the motor. The drive motor 32 drives the connecting bracket 33, the rotating shaft 34, the bearing support 35 and the sliding block 36 to rotate. The sliding block 36 slides in the support seat 31. As the drive motor 32 drives the connecting bracket 33, the bearing support 35 and the waterproof membrane placement assembly 5 to rotate, the waterproof membrane is laid on the tunnel 1. At the same time, the spring 43 rebounds and drives the sleeve rod 42 and the rotating roller 53 close to the arc surface of the tunnel 1 to press the waterproof membrane, so that the adhesive area of ​​the waterproof membrane is more tightly attached to the arc surface of the tunnel 1. At the same time, the motor drives the winding release film roller 54 to wind the release film on the waterproof membrane.

[0047] During the process of laying the waterproof membrane on the curved surface of tunnel 1, the winding roller 52 will rotate with the rotating roller 53 and be pressed close to the curved surface of tunnel 1. The driving motor 32 will drive the waterproof membrane placement component 5 to rotate, thus causing it to rotate. The winding roller 52 drives the ratchet 61 to rotate. At the same time, the pawl 62 engages with the ratchet 61, and the tension spring 65 limits the position of the pawl 62. The ratchet 61, tension spring 65 and pawl 62 limit the winding roller 52 to prevent it from rotating and prevent the waterproof membrane on the winding roller 52 from falling off or becoming loose.

[0048] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An automatic waterproofing membrane laying device for seepage prevention in tunnel construction, characterized in that: The device includes a support platform (20), a drive motor (32), and a limiting frame (60). The support platform (20) is equipped with a rotating mechanism, which includes a slide rail (30) and a connecting bracket (33). Sliding blocks (36) are slidably connected to both sides of the slide rail (30). The opposite sides of the two sliding blocks (36) are fixedly connected to the inner side of the bearing support (35). The outer side of the bearing support (35) is fixedly connected to a rotating shaft (34). The rotating shaft (34) is fixedly connected to the connecting bracket (33). The rotating ends of both ends of the drive motor (32) are fixedly connected to the connecting bracket (33). The bearing support (35) is provided with a pressing mechanism, which includes a sleeve (41), a sleeve rod (42) sleeved on the sleeve (41), and a spring (43) sleeved on the sleeve rod (42). The limiting frame (60) is provided with a self-locking mechanism, which includes a ratchet (61), a pawl (62) and a tension spring (65). The pawl (62) is engaged with the ratchet (61), and hooks (64) are fixedly connected to both sides of the pawl (62). The tension spring (65) is hooked on the hooks (64).

2. The automatic waterproofing membrane laying equipment for tunnel construction according to claim 1, characterized in that: It also includes a walking component (2), which consists of a support platform (20), non-steering wheels (21) and positioning plates (22). The support platform (20) is equipped with non-steering wheels (21) on its bottom surface. Four positioning plates (22) are fixedly connected to both sides of the support platform (20). The edge of one end of the four positioning plates (22) contacts the circular surface of the tunnel (1). The four non-steering wheels (21) are rolled on the foundation of the tunnel (1).

3. The automatic waterproofing membrane laying device for seepage prevention in tunnel construction according to claim 1, characterized in that: The support platform (20) has slide rails (30) fixedly connected to the edge surfaces on both sides. Support seats (31) are fixedly connected to the inner walls of both ends of the slide rails (30). A drive motor (32) is bolted to the top of the support seat (31). The drive motor (32) is connected to an external power source. The slide rails (30), support seats (31), drive motors (32), connecting brackets (33), rotating shafts (34), bearing supports (35), and sliding blocks (36) are combined to form a rotating assembly (3).

4. The automatic waterproofing membrane laying device for seepage prevention in tunnel construction according to claim 3, characterized in that: The base of the electric push rod (40) is horizontally fixed on one side of the bearing support (35). The electric push rod (40) is connected to an external power source. The output end of the electric push rod (40) is fixedly connected to a sleeve (41). The electric push rod (40), sleeve (41), sleeve rod (42) and spring (43) are combined to form a telescopic assembly (4).

5. The automatic waterproofing membrane laying equipment for seepage prevention in tunnel construction according to claim 1, characterized in that: The sleeve rod (42) is fixedly connected to a positioning frame (50), and a limiting groove (500) runs through the positioning frame (50). Both sides of the positioning frame (50) are fixedly connected to brackets (51).

6. The automatic waterproofing membrane laying device for seepage prevention in tunnel construction according to claim 5, characterized in that: The positioning frame (50) is rotatably connected to two rotating rollers (53) at both ends. A winding roller (52) is rotatably connected between the two supports (51). The winding roller (52) winds a waterproof membrane. The waterproof membrane passes around the two rotating rollers (53) in sequence. A winding isolation film roller (54) is provided above the horizontal center point of the two rotating rollers (53) and below the winding roller (52). The winding isolation film roller (54) is rotatably connected to the support (51). The positioning frame (50), support (51), winding roller (52), rotating roller (53) and winding isolation film roller (54) are combined to form a waterproof membrane placement assembly (5).

7. The automatic waterproofing membrane laying device for tunnel construction according to claim 6, characterized in that: One of the ratchet wheels (61) is fixedly connected to a limit frame (60) on its outer side. The limit frame (60) is fixedly connected to a connecting shaft (63), and the connecting shaft (63) is rotatably connected to a pawl (62).

8. The automatic waterproofing membrane laying device for seepage prevention in tunnel construction according to claim 7, characterized in that: One end of the winding roller (52) is fixedly connected to the inner ring of the ratchet (61), and one end of the two tension springs (65) is hung on the double-hanging integrated rod (66). The two ends of the double-hanging integrated rod (66) are fixedly connected to the inner side of the limiting frame (60). The ratchet (61), pawl (62), connecting shaft (63), hook (64), tension spring (65) and double-hanging integrated rod (66) are combined to form a ratchet and pawl assembly (6).

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