Forced deviation rectifying device for continuous belt of TBM (Tunnel Boring Machine)
By designing a mandatory deviation correction device for TBM continuous belts, the belt direction is controlled by using the roller assembly and the lifting assembly, the problem of continuous belt deviation is solved, the construction efficiency is improved and manual ballast cleaning is reduced.
Patent Information
- Application Number
- CN202422888569.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-26
AI Technical Summary
During TBM tunnel construction, continuous belts are prone to deviation during operation, resulting in slag leakage and workers need to clean the slag regularly, reducing construction efficiency.
A mandatory deviation correction device for TBM continuous belt is designed, and the conveyor belt is contacted by the first roller assembly and the second roller assembly, and the cross beam height is controlled by the lifting assembly and the screw to achieve mandatory deviation correction.
It eliminates the need for manual periodic ballast removal, improves construction efficiency, reduces the working time of construction workers, and can adapt to continuous belts of different heights.
Smart Images

Figure CN223303505U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel construction, in particular to a TBM continuous belt compulsory deviation correction device. Background Art
[0002] A TBM tunnel is a tunnel excavated using a full-section tunnel boring machine (TBM). Due to the fast construction speed, continuous excavation, high safety, little disturbance to the surrounding rock and soil, and good tunnel forming quality of the tunnel, this method is suitable for long-distance tunnel construction and is widely used in transportation and other fields.
[0003] Continuous belt is one of the most advanced mucking methods in TBM tunnel construction. During operation, due to untimely deviation correction, slag leakage and deviation are common phenomena. If the continuous belt deviates during operation and causes mucking, at least four workers are required to complete the mucking work regularly, thereby reducing the efficiency of construction site construction and increasing the working time of construction workers. For this reason, the utility model provides a TBM continuous belt compulsory deviation correction device. Summary of the Invention
[0004] In order to solve the above shortcomings and deficiencies of the prior art, the purpose of the present invention is to provide a TBM continuous belt compulsory deviation correction device.
[0005] The technical solution of the utility model is: a TBM continuous belt forced deviation correction device, comprising: a first lifting assembly and a second lifting assembly, wherein adjacent sides of the first lifting assembly and the second lifting assembly are fixedly connected to a crossbeam;
[0006] a first roller assembly and a second roller assembly, wherein one end of the first roller assembly is fixedly connected to the first lifting assembly, and the other end of the first roller assembly is fixedly connected to the crossbeam; one end of the second roller assembly is fixedly connected to the second lifting assembly, and the other end of the second roller assembly is fixedly connected to the crossbeam, and the first roller assembly and the second roller assembly are symmetrically arranged;
[0007] The first lifting assembly includes a hollow square cylinder, a screw rod is rotatably connected to the interior of the hollow square cylinder, a turntable is fixedly connected to the top of the screw rod, a plurality of second threaded holes are equidistantly provided on the outer wall of the screw rod, a support rod is threadedly connected to the outer wall of the screw rod, the support rod is located inside the hollow square cylinder, the top of the support rod is fixedly connected to the limit assembly, both sides of the support rod are fixedly connected to an elongated slider, two grooves are provided inside the hollow square cylinder, and the elongated slider is slidably connected to the grooves;
[0008] The second lifting assembly has the same structure as the first lifting assembly.
[0009] As a further description of the above technical solution:
[0010] The limiting assembly includes a fixing cylinder, the fixing cylinder is fixedly connected to the support rod, and a first threaded hole is formed on the fixing cylinder;
[0011] The device further includes a first bolt, which passes through the first threaded hole and is threadedly connected to one of the second threaded holes.
[0012] As a further description of the above technical solution:
[0013] The first roller assembly includes a fixed rod, one end of which is fixedly connected to the crossbeam through a first positioning assembly, and the other end of which is fixedly connected to the support rod through a second positioning assembly. The outer wall of the fixed rod is rotatably connected to the upper roller.
[0014] As a further description of the above technical solution:
[0015] The outer wall of the fixing rod is fixedly connected to two limiting nuts, and the upper roller is located between the two limiting nuts.
[0016] As a further description of the above technical solution:
[0017] The first positioning assembly includes an L-shaped fixing plate, one end of which is fixedly connected to the fixing rod, and the other end of which is fixedly connected to the circular fixing plate, which is fixedly connected to the crossbeam via a plurality of second bolts.
[0018] As a further description of the above technical solution:
[0019] The first roller assembly and the second roller assembly have the same structure, and the second positioning assembly and the first positioning assembly have the same structure.
[0020] The beneficial effects of the utility model are:
[0021] 1. Compared with the existing technology, a TBM continuous belt forced deviation correction device is developed. The device contacts the conveyor belt through the two upper rollers in the first roller assembly and the second roller assembly, so that the conveyor belt is forcibly fixed between the first lifting assembly and the second lifting assembly. In addition, since the upper rollers are rotating, the contact between the upper rollers and the conveyor belt does not affect the use of the conveyor belt, thereby eliminating the need for workers to complete the desludging work regularly, improving the efficiency of the construction site, and reducing the working time of the construction workers.
[0022] 2. Compared with the existing technology, a TBM continuous belt forced deviation correction device can control the height of the beam connected to the first lifting assembly and the second lifting assembly by rotating the two screw rods in the first lifting assembly and the second lifting assembly, so that the two upper rollers rise as the beam rises, thereby realizing that the continuous belt forced deviation correction device can correct the continuous belts of different heights. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a three-dimensional diagram of a TBM continuous belt forced deviation correction device proposed in the utility model;
[0024] Figure 2 This is a structural diagram of the first roller assembly of a TBM continuous belt forced deviation correction device proposed in the utility model;
[0025] Figure 3 This is a structural diagram of the first positioning group of a TBM continuous belt compulsory deviation correction device proposed in the utility model;
[0026] Figure 4 This is a cross-sectional view of the first lifting assembly of a TBM continuous belt forced deviation correction device proposed in the utility model;
[0027] Figure 5 This is a disassembled diagram of the limiting components of a TBM continuous belt forced deviation correction device proposed in the utility model;
[0028] Figure 6 This is a cross-sectional view of a hollow square tube of a TBM continuous belt forced deviation correction device proposed in the utility model.
[0029] Legend:
[0030] 1. First lifting assembly; 101. Screw rod; 102. Turntable; 103. Hollow square tube; 104. Support rod; 105. Limit assembly; 10501. Fixed tube; 10502. First threaded hole; 10503. First bolt; 106. Second threaded hole; 107. Groove; 108. Elongated slider; 2. Second lifting assembly; 3. Crossbeam; 4. First roller assembly; 401. Upper roller; 402. First positioning assembly; 40201. L-shaped fixing plate; 40202. Second bolt; 40203. Circular fixing plate; 403. Fixing rod; 404. Second positioning assembly; 5. Second roller assembly; 6. Limit nut. DETAILED DESCRIPTION
[0031] The utility model is further described below with reference to the accompanying drawings and specific embodiments:
[0032] refer to Figures 1 to 6A TBM continuous belt forced deviation correction device includes: a first lifting component 1, a second lifting component 2, a crossbeam 3, a first roller component 4, and a second roller component 5.
[0033] The adjacent sides of the first lifting assembly 1 and the second lifting assembly 2 are fixedly connected with a crossbeam 3, one end of the first roller assembly 4 is fixedly connected to the first lifting assembly 1, the other end of the first roller assembly 4 is fixedly connected to the crossbeam 3, one end of the second roller assembly 5 is fixedly connected to the second lifting assembly 2, and the other end of the second roller assembly 5 is fixedly connected to the crossbeam 3. The first lifting assembly 1 and the second lifting assembly 2 drive the first roller assembly 4 and the second roller assembly 5 to move up and down. The first roller assembly 4 and the second roller assembly 5 are symmetrically arranged. The hollow square cylinder 103 is internally connected to a screw rod 101, and the top of the screw rod 101 is fixedly connected to a turntable 1. 02. The screw rod 101 is driven to rotate by rotating the turntable 102. A plurality of second threaded holes 106 are equidistantly provided on the outer wall of the screw rod 101. The outer wall of the screw rod 101 is threadedly connected to a support rod 104. The support rod 104 is located inside the hollow square tube 103. The support rod 104 is driven to move by the rotation of the screw rod 101. The top of the support rod 104 is fixedly connected to a limiting assembly 105. Both sides of the support rod 104 are fixedly connected to an elongated slider 108. Two grooves 107 are provided inside the hollow square tube 103. The elongated slider 108 is slidably connected to the groove 107. The second lifting assembly 2 has the same structure as the first lifting assembly 1.
[0034] Specifically, the first roller assembly 4 and the second roller assembly 5 are in contact with the conveyor belt, thereby limiting the conveying direction of the conveyor belt so that the conveyor belt will not deviate, and the support rod 104 can be controlled to rise and fall on the hollow square tube 103 by rotating the screw rod 101. Since the crossbeam 3 is connected to the support rod 104, the crossbeam 3 will rise and fall with the rise and fall of the support rod 104, thereby controlling the rise and fall of the first roller assembly 4 and the second roller assembly 5 connected to the crossbeam 3, and the elongated slider 108 connected to the support rod 104 slides inside the groove 107, which can make the movement of the support rod 104 smoother.
[0035] In one embodiment, the limiting assembly 105 includes a fixing cylinder 10501 and a first bolt 10503. The fixing cylinder 10501 is fixedly connected to the support rod 104. A first threaded hole 10502 is provided on the fixing cylinder 10501. The first bolt 10503 passes through the first threaded hole 10502 and is threadedly connected to one of the second threaded holes 106. The fixing cylinder 10501 fixes the screw rod 101 through the first bolt 10503 to prevent the support rod 104 from slipping.
[0036] In one embodiment, the first roller assembly 4 includes a fixed rod 403, one end of the fixed rod 403 is fixedly connected to the crossbeam 3 through the first positioning assembly 402, and the other end of the fixed rod 403 is fixedly connected to the support rod 104 through the second positioning assembly 404. The outer wall of the fixed rod 403 is rotatably connected to the upper roller 401. The first roller assembly 4 and the second roller assembly 5 have the same structure, and the second positioning assembly 404 has the same structure as the first positioning assembly 402. The upper roller 401 on the outer wall of the fixed rod 403 contacts the conveyor belt to prevent the conveyor belt from deviating.
[0037] In one embodiment, two limiting nuts 6 are fixedly connected to the outer wall of the fixing rod 403 , and the upper roller 401 is located between the two limiting nuts 6 . The limiting nuts 6 prevent the upper roller 401 from moving up and down.
[0038] In one embodiment, the first positioning assembly 402 includes an L-shaped fixing plate 40201, one end of the L-shaped fixing plate 40201 is fixedly connected to the fixing rod 403, the other end of the L-shaped fixing plate 40201 is fixedly connected to the circular fixing plate 40203, the circular fixing plate 40203 is fixedly connected to the beam 3 through a plurality of second bolts 40202, and the circular fixing plate 40203 is fixedly connected to the beam 3 through the second bolts 40202, so that the fixing rod 403 will not fall.
[0039] The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For those skilled in the art of the present invention, without departing from the concept of the present invention, several simple deductions or substitutions can be made, which should be considered to fall within the scope of protection of the present invention.
Claims
1. A TBM continuous belt compulsory deviation correction device, characterized in that: include: A first lifting assembly (1) and a second lifting assembly (2), wherein adjacent sides of the first lifting assembly (1) and the second lifting assembly (2) are fixedly connected to a crossbeam (3); a first roller assembly (4) and a second roller assembly (5), wherein one end of the first roller assembly (4) is fixedly connected to the first lifting assembly (1), and the other end of the first roller assembly (4) is fixedly connected to the crossbeam (3); one end of the second roller assembly (5) is fixedly connected to the second lifting assembly (2), and the other end of the second roller assembly (5) is fixedly connected to the crossbeam (3); the first roller assembly (4) and the second roller assembly (5) are symmetrically arranged; The first lifting assembly (1) comprises a hollow square cylinder (103), wherein a screw rod (101) is rotatably connected inside the hollow square cylinder (103), and a turntable (102) is fixedly connected to the top of the screw rod (101), and a plurality of second threaded holes (106) are equidistantly provided on the outer wall of the screw rod (101), and a support rod (104) is threadedly connected to the outer wall of the screw rod (101), and the support rod (104) is located inside the hollow square cylinder (103), and the top of the support rod (104) is fixedly connected to a limiting assembly (105), and both sides of the support rod (104) are fixedly connected to an elongated slider (108), and two grooves (107) are provided inside the hollow square cylinder (103), and the elongated slider (108) is slidably connected to the groove (107); The second lifting assembly (2) has the same structure as the first lifting assembly (1).
2. A TBM continuous belt compulsory deviation correction device according to claim 1, characterized in that: The limiting assembly (105) comprises a fixed cylinder (10501), the fixed cylinder (10501) is fixedly connected to the support rod (104), and a first threaded hole (10502) is formed on the fixed cylinder (10501); It also includes a first bolt (10503), which passes through the first threaded hole (10502) and is threadedly connected to one of the second threaded holes (106).
3. A TBM continuous belt compulsory deviation correction device according to claim 1, characterized in that: The first roller assembly (4) comprises a fixed rod (403), one end of the fixed rod (403) being fixedly connected to the crossbeam (3) via a first positioning assembly (402), the other end of the fixed rod (403) being fixedly connected to the support rod (104) via a second positioning assembly (404), and the outer wall of the fixed rod (403) being rotatably connected to the upper roller (401).
4. A TBM continuous belt compulsory deviation correction device according to claim 3, characterized in that: Two limiting nuts (6) are fixedly connected to the outer wall of the fixing rod (403), and the upper roller (401) is located between the two limiting nuts (6).
5. The TBM continuous belt compulsory deviation correction device according to claim 3, characterized in that: The first positioning assembly (402) comprises an L-shaped fixing plate (40201), one end of the L-shaped fixing plate (40201) being fixedly connected to the fixing rod (403), the other end of the L-shaped fixing plate (40201) being fixedly connected to the circular fixing plate (40203), and the circular fixing plate (40203) being fixedly connected to the crossbeam (3) via a plurality of second bolts (40202).
6. A TBM continuous belt compulsory deviation correction device according to claim 3, characterized in that: The first roller assembly (4) and the second roller assembly (5) have the same structure, and the second positioning assembly (404) and the first positioning assembly (402) have the same structure.