Pulley fixing structure for tunnel side wall and pulley block

Abstract

The utility model provides a pulley fixing structure for a tunnel side wall and a pulley block. The pulley fixing structure comprises an anchor cable, an anchor rod, an embedded steel base plate and an equipment base plate. The anchor rods are evenly distributed on the periphery of the embedded steel base plate, one ends of the anchor rods are inserted into the side wall rock to be fixed, and the other ends of the anchor rods are connected with the embedded steel base plate. The embedded steel base plate comprises an equipment installation area and a first through hole, the equipment base plate is installed in the equipment installation area, a second through hole is formed in the equipment base plate, the first through hole and the second through hole coincide, one end of the anchor cable is inserted into the side wall rock to be fixedly connected, and the other end of the anchor cable penetrates through the coincident first through hole and second through hole to be fixedly connected with the embedded steel base plate. Under the condition of narrow space, the pulley can be stably and conveniently fixed through the side wall, and operation space is provided for a portal crane and a large transport vehicle. Due to the characteristics of large size, heavy weight, many and miscellaneous parts, large inclination angle and the like of TBM equipment components, the pulley block is installed at the position of the side wall of the tunnel to assist construction, and safety and high efficiency are achieved.

Description

Technical Field

[0001] The present application relates to the technical field of TBM construction, and in particular to a pulley fixing structure and a pulley block for a tunnel side wall. Background Art

[0002] TBM equipment, namely Tunnel Boring Machine, is a large-scale mechanical equipment used for tunnel excavation. TBM consists of a shield machine and a supporting system, mainly including a cutter head and cutter, a shield body, a main drive system, a propulsion system, a screw conveyor, a belt conveyor, a segment assembly machine, and a segment trailer. At the construction site, due to the large size and heavy weight of TBM equipment components, gantry cranes and truck cranes are usually required to work together, supplemented by auxiliary equipment such as pulley blocks and winches to complete assembly and disassembly work.

[0003] During the dismantling of TBM equipment, especially in inclined shaft construction tunnels, the space required for dismantling equipment is strictly limited. Due to the large size and large inclination of TBM equipment components, the dismantling tunnel often cannot meet the requirements of working space. Due to the large inclination angle during lifting, the dismantling of some large components becomes particularly difficult, such as inseparable structures such as TBM cutterheads and main drives. They are large in size and heavy in weight, and the space requirements for the lifting equipment in the dismantling tunnel are extremely high. Utility Model Content

[0004] The present application provides a pulley fixing structure for a tunnel side wall, which saves space in the tunnel by fixing the pulley on the tunnel side wall, thereby solving the technical problem of limited tunnel space and difficult lifting during the dismantling of TBM equipment.

[0005] In a first aspect, an embodiment of the present application provides a pulley fixing structure for a tunnel side wall, comprising an anchor cable, an anchor rod, an embedded steel seat plate and an equipment base plate; a plurality of the anchor rods are evenly distributed around the embedded steel seat plate, one end of the plurality of anchor rods are inserted into the rock of the tunnel side wall and fixedly connected to the rock of the tunnel side wall, and the other end of the plurality of anchor rods are fixedly connected to the embedded steel seat plate; the embedded steel seat plate comprises an equipment installation area and a first through hole, and the equipment installation area is located in the middle of the embedded steel seat plate; the equipment base plate is installed in the equipment installation area, and the equipment base plate is provided with a second through hole, and a plurality of the first through holes are close to the edge of the equipment installation area; the positions of the first through hole and the second through hole correspond to each other, one end of the anchor cable is inserted into the rock of the tunnel side wall and fixedly connected to the rock of the tunnel, and the other end of the anchor cable is fixedly connected to the embedded steel seat plate after passing through the overlapping first through hole and second through hole.

[0006] In a feasible implementation, it also includes a reinforcing rib plate; the distance between the end face of the anchor rod and the surface of the embedded steel seat plate is 5cm-10cm; the two sides of the reinforcing rib plate are respectively welded to the anchor rod and the embedded steel seat plate.

[0007] In a feasible implementation, the equipment base plate is connected to the embedded steel base plate by welding.

[0008] In a feasible implementation, it also includes a clip-type anchor, and after the anchor cable passes through the overlapping first through hole and the second through hole, the clip-type anchor is used to fix the anchor cable to the embedded steel seat plate.

[0009] In a feasible implementation, the anchor rod is inserted into the tunnel side wall to a depth of at least 30 cm.

[0010] In a feasible implementation, the distance between adjacent anchor rods is at most 10 cm.

[0011] In the second aspect, the present application provides a pulley group, including a fixed pulley and a movable pulley, the fixed pulley and the movable pulley are fixedly connected to the tunnel side wall using the pulley fixing structure for the tunnel side wall provided by the present application, and also includes a steel wire rope, one end of the steel wire rope is used to connect the equipment to be lifted, and the other end of the steel wire rope passes through the fixed pulley and the movable pulley in sequence and then is connected to a power device.

[0012] The present application provides a pulley fixing structure and a pulley block for the side wall of a tunnel, including an anchor cable, an anchor rod, an embedded steel base plate and an equipment base plate. A plurality of anchor rods are evenly distributed around the embedded steel base plate, one end of the plurality of anchor rods is inserted into the rock of the side wall of the tunnel and fixedly connected to the rock of the side wall of the tunnel, and the other end of the plurality of anchor rods is fixedly connected to the embedded steel base plate; the embedded steel base plate includes an equipment installation area and a first through hole, and the equipment installation area is located in the middle of the embedded steel base plate; the equipment base plate is installed in the equipment installation area, and the equipment base plate is provided with a second through hole, and a plurality of first through holes are close to the edge of the equipment installation area; the positions of the first through hole and the second through hole correspond to each other, one end of the anchor cable is inserted into the rock of the side wall of the tunnel and fixedly connected to the rock of the tunnel, and the other end of the anchor cable is fixedly connected to the embedded steel base plate after passing through the overlapping first through hole and second through hole. When the space of the demolishing cave is small, the device can fix the pulley through the side wall stably, conveniently and quickly, and provide space for gantry cranes, truck cranes and large transport flatbed trucks to complete the operation. Due to the characteristics of TBM equipment such as large size, heavy weight, many and complex parts, and large inclination, the side wall of the tunnel is used to install pulley blocks to assist in construction, allowing other equipment to have enough space to operate, which is both safe and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the embodiments are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0014] Figure 1 It is a schematic plan view of the pulley fixing structure of the tunnel side wall provided by the present application;

[0015] Figure 2 It is a schematic diagram of the pulley fixing structure and pulley installation of the tunnel side wall provided by the present application;

[0016] Figure 3 It is a side view schematic diagram of the pulley block.

[0017] Description of reference numerals:

[0018] Among them, 1-anchor cable; 2-anchor rod; 3-embedded steel seat plate; 31-equipment installation area; 32-first through hole; 4-equipment base plate; 41-second through hole; 5-reinforcement rib plate; 6-fixed pulley; 7-movable pulley; 8-steel wire rope. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0020] During the dismantling of TBM equipment, especially in inclined shaft construction tunnels, the space required for dismantling equipment is strictly limited. Due to the large size and large inclination of TBM equipment components, the dismantling tunnel often cannot meet the requirements of working space. Due to the large inclination angle during lifting, the dismantling of some large components becomes particularly difficult, such as inseparable structures such as TBM cutterheads and main drives. They are large in size and heavy in weight, and the space requirements for the lifting equipment in the dismantling tunnel are extremely high. This device uses the side wall of the tunnel to install a pulley block to assist in construction, so that other equipment has enough space to operate, which is both safe and efficient.

[0021] The pulley fixing structure of the tunnel side wall provided by the present application is described in detail below in conjunction with the accompanying drawings.

[0022] Reference Figure 1 and Figure 2As shown, in the first aspect, the embodiment of the present application provides a pulley fixing structure for the tunnel side wall, including an anchor cable 1, an anchor rod 2, an embedded steel base plate 3 and an equipment base plate 4. A plurality of anchor rods 2 are evenly distributed around the embedded steel base plate 3. One end of the plurality of anchor rods 2 is inserted into the rock of the tunnel side wall and fixedly connected to the rock of the tunnel side wall, and the other end of the plurality of anchor rods 2 is fixedly connected to the embedded steel base plate 3. The embedded steel base plate 3 includes an equipment installation area 31 and a first through hole 32, and the equipment installation area 31 is located in the middle of the embedded steel base plate 3.

[0023] In the present application, multiple anchor rods 2 are evenly distributed around the embedded steel seat plate 3, ensuring uniform force on the pulley fixing structure on the tunnel side wall, improving the stability and safety of the structure. One end of the anchor rod 2 is fixedly connected to the rock of the tunnel side wall, and the other end is fixedly connected to the embedded steel seat plate 3. This structure can effectively connect the pulley fixing structure to the tunnel side wall tightly, improving the overall stability of the structure.

[0024] The equipment base plate 4 is installed in the equipment installation area 31, and the equipment base plate 4 is provided with a second through hole 41, and a plurality of first through holes 32 are close to the edge of the equipment installation area 31. The positions of the first through holes 32 and the second through holes 41 correspond to each other, one end of the anchor cable 1 is inserted into the rock of the tunnel side wall and fixedly connected to the rock of the tunnel, and the other end of the anchor cable 1 is fixedly connected to the embedded steel base plate 3 after passing through the overlapping first through hole 32 and second through hole 41.

[0025] In the present application, the anchor cable 1 passes through the overlapping first through hole 32 and the second through hole 41, and the equipment base plate 4 is further fixed by the anchor cable 1. It can be understood that in addition to being fixedly connected to the embedded steel base plate 3, the anchor cable 1 plays a role in strengthening the fixation of the equipment base plate 4. In addition, the anchor cable 1 is inserted into the rock on the side wall of the tunnel, which also plays a role in strengthening the fixation of the embedded steel base plate 3, thereby enhancing the stability and safety of the structure and improving the overall bearing capacity of the pulley fixing structure.

[0026] It should be noted that the connection method between the equipment base plate 4 and the embedded steel base plate 3 can be welding or bolt fastening. When welding, arc welding can be used. When bolt fastening is used, the model of the fastening bolts needs to be selected according to the specific construction plan. The specified tightening torque needs to be met during installation to ensure the overall stability and safety of the device.

[0027] In some embodiments, a reinforcing rib 5 is further included. The distance between the end face of the anchor rod 2 and the surface of the embedded steel seat plate 3 is 5 cm-10 cm. The two sides of the reinforcing rib 5 are respectively welded to the anchor rod 2 and the embedded steel seat plate 3. The reinforcing rib 5 can be a right-angled triangle structure, and the two right-angled sides are respectively welded to the anchor rod 2 and the embedded steel seat plate 3. This design can increase the strength and stability of the structure.

[0028] In some embodiments, the equipment base plate 4 is welded to the embedded steel base plate 3. This connection method can ensure a tight connection between the equipment base plate 4 and the embedded steel base plate 3, thereby improving the stability and reliability of the equipment installation.

[0029] In some embodiments, a clip-type anchor is also included. After the anchor cable 1 passes through the overlapping first through hole 32 and second through hole 41, the clip-type anchor is used to fix the anchor cable 1 to the embedded steel base plate 3. The clip-type anchor is small in size and light in weight, suitable for some occasions with limited space. At the same time, it is easy to install and can generate a strong anchoring force to ensure a tight connection. In this application, the clip-type anchor is used to fix the embedded steel base plate 3 and the equipment base plate 4 in a limited space, thereby improving the stability and reliability of the equipment installation.

[0030] In some embodiments, the anchor 2 is inserted into the tunnel side wall to a depth of at least 30 cm.

[0031] In some embodiments, the distance between adjacent anchor rods 2 is at most 10 cm.

[0032] In the present application, the depth of the anchor rod 2 inserted into the tunnel side wall and the distance between adjacent anchor rods 2 can be determined according to the specific construction plan. The values ​​provided in the embodiment are only exemplary distances. Under this setting, the firm connection between the anchor rod 2 and the rock of the tunnel side wall and the uniform force on the anchor rod 2 can be ensured, thereby improving the stability and bearing capacity of the overall structure.

[0033] Second, refer to Figure 3 As shown, the present application provides a pulley block, including a fixed pulley 6 and a movable pulley 7, the fixed pulley 6 and the movable pulley 7 are fixedly connected to the tunnel side wall by using the pulley fixing structure for the tunnel side wall provided by the present application, and also include a steel wire rope 8, one end of the steel wire rope 8 is used to connect the equipment to be hoisted, and the other end of the steel wire rope is connected to the power device after passing through the fixed pulley 6 and the movable pulley 7 in sequence. The pulley block can realize the hoisting and moving operation of the equipment in a limited space, thereby improving the work efficiency and the convenience of operation.

[0034] According to the above technical features, on the one hand, the present application provides a pulley fixing structure and a pulley block for the side wall of a tunnel. The pulley fixing structure includes anchor cables, anchor rods, embedded steel base plates and equipment base plates. A plurality of anchor rods are evenly distributed around the embedded steel base plates and inserted into the rock of the side wall of the tunnel to achieve a stable connection with the side wall of the tunnel. The equipment base plate is installed in the equipment installation area of ​​the embedded steel base plate, and is reinforced and fixed by anchor cables passing through corresponding through holes to ensure the stable installation of pulleys or other equipment. In addition, the structure may also include reinforcing ribs to improve the overall strength, and clip-type anchors to provide stronger anchoring force. The insertion depth of the anchor rods and the distance between adjacent anchor rods are carefully designed to ensure the stability and bearing capacity of the structure.

[0035] On the other hand, the present application also provides a pulley block using the above pulley fixing structure, including a fixed pulley and a movable pulley, which are connected to the equipment to be hoisted through a steel wire rope and connected to a power device. The pulley block can work stably on the side wall of the tunnel to achieve the hoisting and movement of the equipment, thereby improving the work efficiency and the convenience of operation. The present application provides a stable and reliable tunnel side wall pulley fixing structure and a pulley block used therein, which is suitable for the equipment hoisting and movement needs in various tunnel projects.

[0036] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on the several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0037] The above specific implementation methods further explain in detail the purpose, technical solutions and beneficial effects of the embodiments of the present application. It should be understood that the above are only specific implementation methods of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.

Claims

1. A pulley fixing structure for a tunnel side wall, characterized in that: It comprises an anchor cable (1), an anchor rod (2), a pre-buried steel base plate (3) and an equipment base plate (4); The plurality of anchor rods (2) are evenly distributed around the embedded steel base plate (3), one end of the plurality of anchor rods (2) is inserted into the rock of the tunnel side wall and fixedly connected to the rock of the tunnel side wall, and the other end of the plurality of anchor rods (2) is fixedly connected to the embedded steel base plate (3); The embedded steel base plate (3) comprises an equipment installation area (31) and a first through hole (32), wherein the equipment installation area (31) is located in the middle of the embedded steel base plate (3); the equipment base plate (4) is installed in the equipment installation area (31), and the equipment base plate (4) is provided with a second through hole (41), wherein a plurality of the first through holes (32) are close to the edge of the equipment installation area (31); the positions of the first through holes (32) and the second through holes (41) correspond to each other, one end of the anchor cable (1) is inserted into the rock of the tunnel side wall and fixedly connected to the tunnel rock, and the other end of the anchor cable (1) is fixedly connected to the embedded steel base plate (3) after passing through the overlapping first through hole (32) and the second through hole (41).

2. The pulley fixing structure for the tunnel side wall according to claim 1, characterized in that: It also includes a reinforcing rib (5); the distance between the end face of the anchor rod (2) and the surface of the embedded steel seat plate (3) is 5cm-10cm; the two sides of the reinforcing rib (5) are respectively welded to the anchor rod (2) and the embedded steel seat plate (3).

3. The pulley fixing structure for the tunnel side wall according to claim 1, characterized in that: The equipment base plate (4) is welded to the embedded steel base plate (3).

4. The pulley fixing structure for the tunnel side wall according to claim 1, characterized in that: It also comprises a clip-type anchor, and after the anchor cable (1) passes through the overlapping first through hole (32) and the second through hole (41), it is fixedly connected to the embedded steel seat plate (3) using the clip-type anchor.

5. The pulley fixing structure for the tunnel side wall according to claim 1, characterized in that: The anchor rod (2) is inserted into the tunnel side wall to a depth of at least 30 cm.

6. The pulley fixing structure for the tunnel side wall according to claim 1, characterized in that: The maximum distance between adjacent anchor rods (2) is 10 cm.

7. A pulley block, comprising a fixed pulley (6) and a movable pulley (7), characterized in that: The fixed pulley (6) and the movable pulley (7) are fixedly connected to the tunnel side wall by using the pulley fixing structure for the tunnel side wall as described in any one of claims 1 to 4, and also include a steel wire rope (8), one end of which is used to connect the equipment to be lifted, and the other end of the steel wire rope passes through the fixed pulley (6) and the movable pulley (7) in sequence and then is connected to a power device.

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