A portal frame for a TBM continuous belt conveyor and a method of using the same
By designing an adjustable TBM continuous belt conveyor door frame, the collision problem with the synchronous lining trolley roller is solved, and the adaptability and stable operation of continuous belt conveyors of different specifications is achieved, improving construction efficiency and maintenance convenience.
Patent Information
- Application Number
- CN202311384804.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-25
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2043-10-25
AI Technical Summary
The door frame structure of the existing continuous belt conveyor is prone to collision with the internal rollers of the synchronous lining trolley, affecting the walking speed and running stability, and cannot adapt to the continuous belt conveyor of different specifications, making maintenance inconvenient.
Design an adjustable TBM continuous belt conveyor door frame, adjust the position of pushing blocks and top blocks by adding or decreasing the extension rods and rotating limit worms, avoid collision with rollers, and adapt to continuous belt conveyors of different specifications.
The movement speed of the synchronous lining trolley and the running stability of the continuous belt conveyor are improved, the adaptability of the equipment and the convenience of maintenance are enhanced, and the construction efficiency is improved.
Smart Images

Figure CN117627670B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of tunnel construction equipment, and in particular relates to a portal frame of a TBM continuous belt conveyor and a use method thereof. Background Art
[0002] The structure of the tunnel consists of two parts: the main building and ancillary equipment. The main building consists of the tunnel body and the tunnel portal. The ancillary equipment includes a car shelter, fire-fighting facilities, emergency communications and drainage facilities. Long tunnels also have special ventilation and lighting equipment.
[0003] However, in the prior art, the portal frame structure of the existing continuous belt conveyor is mostly a rectangular structure, and the interior of the existing synchronous lining trolley is mostly designed as a roller structure, which causes the portal frame structure of the existing continuous belt conveyor to easily collide with the roller structure inside the existing synchronous lining trolley, thereby affecting the walking speed of the existing synchronous lining trolley and the operating stability of the existing continuous belt conveyor, resulting in poor actual construction efficiency. At the same time, the actual structure of the portal frame of the existing continuous belt conveyor is fixed, and thus cannot meet the use of existing continuous belt conveyors of different specifications, and is inconvenient for the inspection, maintenance and replacement of the existing continuous belt conveyor, resulting in poor actual use effect of the equipment. Summary of the Invention
[0004] The purpose of the present invention is to provide a TBM continuous belt conveyor gantry frame and its use method that can effectively and conveniently adjust its own use structure according to actual conditions, thereby effectively reducing the impact of collision between the equipment and the internal rollers of the existing synchronous lining trolley, thereby effectively ensuring the moving speed of the existing synchronous lining trolley and the stable operation of the existing continuous belt conveyor, improving the overall construction efficiency, and at the same time being able to meet the use of existing continuous belt conveyors of different specifications, facilitating the inspection, maintenance and replacement of existing continuous belt conveyors.
[0005] The technical solution adopted by the present invention is as follows: A portal frame of a TBM continuous belt conveyor, comprising: a first functional mechanism, the first functional mechanism comprising a bottom plate, an outer surface of one side of the bottom plate is provided with a mounting groove, the outer surface of the bottom plate is fixedly connected to side plates near both end edges by bolts, a first baffle is slidably sleeved on the bottom of each side plate, a mounting ring is fixedly connected to the top of each side plate, a bottom rod is slidably inserted into the interior of each mounting ring, and a first extension rod is threadedly connected to the top end of each bottom rod, a first push rod is threadedly connected to the top end of one of the first extension rods, a second push rod is threadedly connected to the top end of another first extension rod, and a second extension rod is threadedly connected between the second push rod and one end of the first push rod; and
[0006] The second functional mechanism includes a first mounting block, a second mounting block and a limiting component, the first mounting block is fixedly connected to the inside of the mounting groove by bolts, the top of the first mounting block is rotatably connected to the limiting threaded rod, the outer surface of the limiting threaded rod is slidingly sleeved with a moving tube, the outer surface of the moving tube is sleeved with a top block, the outer surfaces of both sides of the top block are fixedly connected with pressing pieces, the outer surface of each side of the pressing piece is rotatably connected with a slider, the outer surface of each slider is slidingly sleeved with a pressure strip, the second mounting block is fixedly connected to the inside of the mounting groove by bolts, and the limiting component is arranged on the limiting threaded rod.
[0007] Wherein, a limiting threaded hole is provided on the top of each side plate, and a positioning threaded bolt is threadedly connected inside each limiting threaded hole.
[0008] Among them, each bottom rod has a first connecting hole on its outer surface, each mounting ring has a second connecting hole on its outer surface, and each first connecting hole and the corresponding second connecting hole are threadedly connected with a connecting thread bolt.
[0009] Wherein, the outer surfaces on both sides of the bottom plate are fixedly connected with connection blocks, and the outer surfaces on both sides of the bottom plate are fixedly connected with second baffles.
[0010] Wherein, the outer surface of one side of each pressure strip is fixedly connected with a rotating shaft, and one end of each rotating shaft is rotatably connected to the corresponding connecting block.
[0011] The top end of the limiting threaded rod slides through the bottom of the second mounting block, and a limiting worm gear is sleeved on the outer surface of the limiting threaded rod near the bottom edge.
[0012] The top of the second mounting block is rotatably connected to a limiting worm, and the limiting worm is engaged with a limiting worm wheel.
[0013] Wherein, the limiting component includes a push block, the push block is threadedly connected to the outer surface of the limiting threaded rod, and the push block is slidably inserted into the installation groove.
[0014] Among them, the sliding sleeve on the outer surface of the limiting threaded rod is provided with a supporting spring, the top block is slidably inserted into the installation groove, and a gasket is inserted at the bottom of each pressure strip.
[0015] A method for using a portal frame of a TBM continuous belt conveyor comprises the following steps:
[0016] S1. Preliminary adjustment: According to the specifications of the existing continuous belt conveyor, the first extension rod is added or removed to ensure that the equipment can meet the use of existing continuous belt conveyors of different height specifications;
[0017] S2. Adjustment in use: According to the specifications of the internal rollers of the existing synchronous lining trolley, the limiting worm is rotated to drive the limiting worm wheel to rotate, and the rotating limiting worm wheel drives the limiting threaded rod to rotate, so that the rotating limiting threaded rod can move and adjust the use position of the push block under the position limit of the installation groove, so that the push block can effectively squeeze the use position of the top block. At the same time, under the position limit of the rotating shaft, when the position of the top block changes, the pressing sheet can effectively move the slider to adjust the use angle between the pressure strip and the bottom plate, so that the gasket can more smoothly contact and separate from the top of the internal rollers of the existing lining trolley.
[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:
[0019] In the present invention, when in use, according to the specifications of the existing continuous belt conveyor, by adding or removing the first extension rod, it is ensured that the equipment can meet the use of existing continuous belt conveyors of different height specifications, thereby improving the wide range of actual use of the equipment. At the same time, according to the specifications of the internal rollers of the existing synchronous lining trolley, the limiting worm is rotated, so that the limiting worm can effectively drive the limiting worm wheel to rotate, so that the rotating limiting worm wheel can effectively drive the limiting threaded rod to rotate, so that the rotating limiting threaded rod can effectively move and adjust the use position of the push block under the position limit of the installation groove, so that the push block can effectively squeeze the use position of the top block. At the same time, under the position limit of the rotating shaft, when the position of the top block changes, the pressing sheet can effectively move the slider to adjust the use angle between the pressure strip and the bottom plate, so that the gasket can more smoothly contact and separate from the top of the internal roller of the existing lining trolley, effectively avoiding excessive collision between the equipment and the internal roller of the existing lining trolley, thereby effectively ensuring the moving speed of the internal roller of the existing lining trolley, and at the same time ensuring that the existing continuous belt conveyor can efficiently perform its functions. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a front perspective view of the present invention;
[0021] Figure 2 is a rear perspective view of the present invention;
[0022] Figure 3 A bottom perspective view of the present invention;
[0023] Figure 4 This is a frontal unfolded perspective view of the first functional mechanism of the present invention;
[0024] Figure 5 For the present invention Figure 4 Enlarged view of part A;
[0025] Figure 6For the present invention Figure 4 Enlarged view of part B;
[0026] Figure 7 This is a frontal unfolded perspective view of the second functional mechanism of the present invention;
[0027] Figure 8 For the present invention Figure 7 Enlarged view of part C in the middle.
[0028] Markings in the figure: 1. First functional mechanism; 101. Base plate; 102. Connecting block; 103. Second baffle; 104. Side plate; 105. First baffle; 106. Mounting ring; 107. Bottom rod; 108. Connecting threaded bolt; 109. First extension rod; 110. First push rod; 111. Second push rod; 112. Second extension rod; 113. Positioning threaded bolt; 2. Second functional mechanism; 201. First mounting block; 202. Limiting threaded rod; 203. Support spring; 204. Moving tube; 205. Push block; 206. Push block; 207. Second mounting block; 208. Limiting worm gear; 209. Limiting worm; 210. Pressing piece; 211. Slider; 212. Pressing strip; 213. Gasket; 214. Rotating axis. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0030] Example 1
[0031] Reference Figures 1-8: A door frame of a TBM continuous belt conveyor, comprising: a first functional mechanism 1 and a second functional mechanism 2, the first functional mechanism 1 comprising a bottom plate 101, the establishment of the bottom plate 101 provides an installation foundation for the installation of other functional components of the equipment, and at the same time facilitates the installation of the equipment at a designated use position, an installation groove is provided on one side of the outer surface of the bottom plate 101, the establishment of the installation groove facilitates the installation of other functional components of the equipment, and at the same time can effectively limit the movement of other functional components of the equipment, the outer surface of the bottom plate 101 is fixedly connected with side plates 104 by bolts near the edges of both ends, the establishment of the side plates 104 facilitates the installation of other functional components of the equipment, and at the same time cooperates with the bottom plate 101 to enable the equipment to be firmly set at the designated use position, each side The bottom of each plate 104 is slidably sleeved with a first baffle 105. The establishment of the first baffle 105 and the second baffle 103 can effectively protect and shield other functional components. The top of each side plate 104 is fixedly connected with a mounting ring 106. The establishment of the mounting ring 106 facilitates the installation and setting of other functional components of the equipment, and facilitates the installation and disassembly of the bottom rod 107, thereby improving the convenience of actual use of the equipment. A bottom rod 107 is slidably inserted into the interior of each mounting ring 106. The establishment of the bottom rod 107 facilitates the installation and setting of other functional components of the equipment. The top of each bottom rod 107 is threadedly connected to a first extension rod 109. The establishment of the first extension rod 109 facilitates the installation and setting of other functional components of the equipment, and can effectively adjust the actual use of the equipment. The use structure enables the equipment to meet the use of existing continuous belt conveyors of different specifications, thereby improving the versatility of the actual use of the equipment. A first extension rod 109 is threadedly connected to the top of a first push rod 110. The establishment of the first push rod 110 facilitates the installation and setting of other functional components of the equipment. At the same time, the second push rod 111 can be used to conveniently install the second extension rod 112, thereby improving the convenience of actual installation and maintenance of the equipment. Another first extension rod 109 is threadedly connected to the top of a second push rod 111. The establishment of the second push rod 111 facilitates the installation and setting of other functional components of the equipment. A second extension rod 112 is threadedly connected between the second push rod 111 and one end of the first push rod 110, and the second functional mechanism 2 includes a first installation mechanism. The first mounting block 201 is fixedly connected to the inside of the mounting groove by bolts, and the top of the first mounting block 201 is rotatably connected to the limiting threaded rod 202. The establishment of the limiting threaded rod 202 facilitates the installation of other functional components of the equipment and can effectively adjust the use position of the push block 206. The outer surface of the limiting threaded rod 202 is slidingly sleeved with a moving tube 204. The establishment of the moving tube 204 facilitates the installation of other functional components of the equipment. The outer surface of the moving tube 204 is sleeved with a top block 205.The establishment of the top block 205 facilitates the installation of the pressing piece 210. The outer surfaces of both sides of the top block 205 are fixedly connected to the pressing piece 210. The establishment of the pressing piece 210 facilitates the installation of other functional components of the equipment and can effectively move and adjust the use angle of the pressure strip 212. The outer surface of each pressing piece 210 is rotatably connected to a slider 211. The establishment of the slider 211 facilitates the installation of the pressure strip 212. The outer surface of each slider 211 is slidably provided with a pressure strip 212. The establishment of the pressure strip 212 can effectively adjust the contact effect between the equipment and the internal rollers of the existing synchronous lining trolley. The second mounting block 207 is fixedly connected to the interior of the mounting groove by bolts, and the limiting component is set on the limiting threaded rod 202.
[0032] Reference Figure 3-Figure 8: A limiting threaded hole is provided on the top of each side panel 104. The establishment of the limiting threaded hole facilitates the installation of the positioning threaded bolt 113. A positioning threaded bolt 113 is threadedly connected to the inside of each limiting threaded hole. When the positioning threaded bolt 113 is established, the side panel 104 can be firmly set in the specified position. A first connecting hole is provided on the outer surface of one side of each bottom rod 107. The establishment of the first connecting hole cooperates with the second connecting hole to facilitate the installation of the connecting threaded bolt 108. A second connecting hole is provided on the outer surface of one side of each mounting ring 106. The establishment of the second connecting hole cooperates with the first connecting hole to facilitate the installation of the bottom rod 107. A connecting threaded bolt 108 is threadedly connected between each first connecting hole and the corresponding second connecting hole. The establishment of the bolt 108 cooperates with the first connecting hole and the second connecting hole to effectively and stably connect the mounting ring 106 and the bottom rod 107. The outer surfaces of both sides of the bottom plate 101 are fixedly connected with the connecting blocks 102. The establishment of the connecting blocks 102 facilitates the installation and setting of other functional components of the equipment. The outer surfaces of both sides of the bottom plate 101 are fixedly connected with the second baffle 103. The establishment of the second baffle 103 cooperates with the first baffle 105 to effectively support and protect other functional components of the equipment. The outer surface of one side of each pressure strip 212 is fixedly connected with a rotating shaft 214. The establishment of the rotating shaft 214 can effectively limit the rotation of one end of the pressure strip 212. One end of each rotating shaft 214 is rotatably connected to the corresponding connecting block 102, and the limiting threaded rod 202 top The end slides through the bottom of the second mounting block 207, and a limiting worm gear 208 is sleeved on the outer surface of the limiting threaded rod 202 near the bottom edge. The setting of the limiting worm gear 208 cooperates with the limiting worm 209 to facilitate the rotation adjustment of the limiting threaded rod 202. The top of the second mounting block 207 is rotatably connected to the limiting worm 209. The setting of the limiting worm 209 cooperates with the limiting worm gear 208 to conveniently rotate and adjust the limiting threaded rod 202. When the limiting threaded rod 202 is rotated, it is convenient to adjust the rotation, so that the equipment can efficiently perform its functions. The limiting worm 209 and the limiting worm gear 208 are engaged. When this structure is set up, the limiting worm 209 can effectively drive the limiting worm gear 208 to rotate. The limiting component includes a push block 206. The establishment of the push block 206 enables the limiting threaded rod 202 to move and adjust the use position of the top block 205, thereby enabling the equipment to perform its due functions normally. The push block 206 is threadedly connected to the outer surface of the limiting threaded rod 202, and the push block 206 is slidably inserted into the installation slot. The sliding sleeve on the outer surface of the limiting threaded rod 202 is provided with a support spring 203. The establishment of the support spring 203 can effectively support and limit the use position of the top block 205, and then when the push block 206 is reset, the use position of the top block 205 can be synchronously restored, thereby enabling the equipment to adjust its due functions again, facilitating the subsequent use of the equipment, so that the equipment can meet the use of existing synchronous lining trolleys of different specifications, and the top block 205 is slidably inserted into the installation slot.With this structure, the mounting groove can effectively limit the movement of the top block 205, thereby enabling the pressing plate 210 to efficiently perform its intended function. A gasket 213 is inserted at the bottom of each pressure strip 212. The establishment of the gasket 213 facilitates maintenance and replacement of the equipment. When the gasket 213 wears out during contact with the internal rollers of the existing synchronous lining trolley, it can be easily maintained and replaced, thereby enabling the equipment to efficiently perform its intended function.
[0033] The following is a detailed description of a method for using a portal frame of a TBM continuous belt conveyor provided by an embodiment of the present invention. The method includes the following steps:
[0034] Step 1: Preliminary adjustment: According to the specifications of the existing continuous belt conveyor, by adding or removing the first extension rod 109, the device can be used with existing continuous belt conveyors of different height specifications, thereby improving the versatility of the device in actual use;
[0035] Step 2: Use and adjust: According to the specifications of the internal rollers of the existing synchronous lining trolley, by rotating the limiting worm 209, the limiting worm 209 can effectively drive the limiting worm wheel 208 to rotate, so that the rotating limiting worm wheel 208 can effectively drive the limiting threaded rod 202 to rotate, so that the rotating limiting threaded rod 202 can effectively move and adjust the use position of the push block 206 under the position limit of the installation groove, so that the push block 206 can effectively squeeze the use position of the top block 205, and at the same time, the rotation axis 21 4, and when the position of the top block 205 changes, the pressing piece 210 can effectively move the slider 211 to adjust the use angle between the pressure strip 212 and the bottom plate 101, so that the gasket 213 can more smoothly contact and separate from the top of the existing internal roller of the lining trolley, effectively avoiding a violent collision between the equipment and the internal roller of the existing lining trolley, and effectively ensuring the moving speed of the internal roller of the existing lining trolley, and at the same time ensuring that the existing continuous belt conveyor can efficiently perform its functions.
[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A portal frame for a TBM continuous belt conveyor, characterized in that: include: A first functional mechanism (1), the first functional mechanism (1) comprises a bottom plate (101), a mounting groove is provided on one side outer surface of the bottom plate (101), side plates (104) are fixedly connected to the outer surface of the bottom plate (101) near both end edges by bolts, a first baffle (105) is slidably sleeved on the bottom of each side plate (104), a mounting ring (106) is fixedly connected to the top of each side plate (104), a bottom rod (107) is slidably inserted inside each mounting ring (106), a first extension rod (109) is threadedly connected to the top of each bottom rod (107), a first extension rod (109) is threadedly connected to the top of one of the first extension rods (109), a second extension rod (111) is threadedly connected to the top of the other first extension rod (109), and a second extension rod (112) is threadedly connected between the second extension rod (111) and one end of the first extension rod (110); and The second functional mechanism (2) comprises a first mounting block (201), a second mounting block (207) and a limiting component, wherein the first mounting block (201) is fixedly connected to the interior of the mounting groove by bolts, the top of the first mounting block (201) is rotatably connected to the limiting threaded rod (202), the outer surface of the limiting threaded rod (202) is slidably sleeved with a moving tube (204), the outer surface of the moving tube (204) is sleeved with a top block (205), the outer surfaces of both sides of the top block (205) are fixedly connected with pressing plates (210), the outer surface of one side of each pressing plate (210) is rotatably connected with a slider (211), the outer surface of each slider (211) is slidably sleeved with a pressure strip (212), the second mounting block (207) is fixedly connected to the interior of the mounting groove by bolts, and the limiting component is arranged on the limiting threaded rod (202).
2. The portal frame of a TBM continuous belt conveyor according to claim 1, characterized in that: A limiting threaded hole is provided on the top of each side plate (104), and a positioning threaded bolt (113) is threadedly connected inside each limiting threaded hole.
3. The portal frame of a TBM continuous belt conveyor according to claim 2, characterized in that: A first connecting hole is provided on the outer surface of one side of each bottom rod (107), a second connecting hole is provided on the outer surface of one side of each mounting ring (106), and a connecting threaded bolt (108) is threadedly connected between each first connecting hole and the corresponding second connecting hole.
4. The portal frame of a TBM continuous belt conveyor according to claim 3, characterized in that: The outer surfaces on both sides of the bottom plate (101) are fixedly connected to connection blocks (102), and the outer surfaces on both sides of the bottom plate (101) are fixedly connected to second baffles (103).
5. The portal frame of a TBM continuous belt conveyor according to claim 4, characterized in that: The outer surface of one side of each pressure strip (212) is fixedly connected to a rotating shaft (214), and one end of each rotating shaft (214) is rotatably connected to a corresponding connecting block (102).
6. The portal frame of a TBM continuous belt conveyor according to claim 5, characterized in that: The top end of the limiting threaded rod (202) slides through the bottom of the second mounting block (207), and a limiting worm gear (208) is sleeved on the outer surface of the limiting threaded rod (202) near the bottom edge.
7. The portal frame of a TBM continuous belt conveyor according to claim 6, characterized in that: The top of the second mounting block (207) is rotatably connected to a limiting worm (209), and the limiting worm (209) is meshed with a limiting worm wheel (208).
8. The portal frame of a TBM continuous belt conveyor according to claim 7, characterized in that: The limiting component comprises a push block (206), the push block (206) is threadedly connected to the outer surface of the limiting threaded rod (202), and the push block (206) is slidably inserted into the interior of the installation slot.
9. The portal frame of a TBM continuous belt conveyor according to claim 8, characterized in that: The outer surface of the limiting threaded rod (202) is slidably sleeved with a support spring (203), the top block (205) is slidably inserted into the installation groove, and a gasket (213) is inserted at the bottom of each pressure strip (212).
10. A method for using a portal frame of a TBM continuous belt conveyor, characterized in that: The method is applied to a portal frame of a TBM continuous belt conveyor according to any one of claims 1 to 9, comprising the following steps: S1. Preliminary adjustment: according to the specifications of the existing continuous belt conveyor, by adding or removing the first extension rod (109), ensure that the equipment can meet the use of existing continuous belt conveyors of different height specifications; S2. Use adjustment: According to the specifications of the internal rollers of the existing synchronous lining trolley, the limiting worm (209) is rotated, so that the limiting worm (209) can drive the limiting worm wheel (208) to rotate, so that the rotating limiting worm wheel (208) can drive the limiting threaded rod (202) to rotate, so that the rotating limiting threaded rod (202) can move and adjust the use position of the push block (206) under the position limit of the installation groove, so that the push block (206) can effectively squeeze the use position of the top block (205), and at the same time, under the position limit of the rotating shaft (214), when the position of the top block (205) changes, the pressing sheet (210) can effectively move the use angle between the pressure strip (212) and the bottom plate (101) through the slider (211), so that the gasket (213) can more smoothly contact and separate from the top of the internal rollers of the existing lining trolley.
Citation Information
Patent Citations
Gantry crane hanging type mechanical correction device for belt conveyor
CN214398479U
Trolley special for door plate
CN217994512U