Tunnel secondary lining existing lining sleeve lining reinforcing mechanism

Abstract

The utility model relates to a tunnel secondary lining existing lining sleeve lining reinforcing mechanism, which belongs to the technical field of tunnel secondary linings and comprises a tunnel lining, a sleeve lining is placed in the tunnel lining, a first support plate is placed on the bottom surface of the sleeve lining, and two second support plates are placed on the bottom surface of the sleeve lining. The opposite side faces of the two second supporting plates are fixedly connected with connecting plates, the two connecting plates are fixedly connected with the first supporting plate, the opposite side faces of the two second supporting plates are fixedly connected with mounting plates, and the bottom faces of the two mounting plates are fixedly connected with first screw rods. According to the tunnel secondary lining existing lining sleeve lining reinforcing mechanism, under the action of a first supporting plate and a second supporting plate, a sleeve lining is supported, the stability of the sleeve lining is improved, the using number of anchor rods is reduced, the using cost is reduced, meanwhile, under the action of a fixing rod, a connecting bin is fixed, and the using effect of the connecting bin is improved. And the stability of the first supporting plate and the second supporting plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel secondary lining, in particular to an existing lining sleeve reinforcement mechanism for tunnel secondary lining. Background Art

[0002] A tunnel is an engineering structure buried in the ground. It is a form of human utilization of underground space. Tunnels can be divided into traffic tunnels, hydraulic tunnels, municipal tunnels, mining tunnels and military tunnels. Tunnel lining refers to a permanent structure that supports and maintains the long-term stability and durability of the tunnel. The tunnel lining must have sufficient strength, durability and certain anti-freeze, anti-seepage and anti-corrosion properties.

[0003] Chinese patent CN217501685U discloses a structure for treating defects in the lining of an existing railway tunnel. The patent discloses a technical solution in which the lining structure has high strength and good bonding quality with the lining. It solves the problem in the existing lining reinforcement method that when pouring concrete to form the lining structure, due to the brittle characteristics of the concrete material itself, interface warping and peeling are prone to occur between the lining and the original inner wall surface, and the existing lining cannot be effectively suppressed.

[0004] When the device is in use, the inner wall of the tunnel lining is reinforced by the action of the sleeve lining to improve stability. However, the sleeve lining is connected to the tunnel lining by multiple anchor rods, the use cost is relatively high, and the lack of support points at the bottom easily leads to the sleeve lining breaking during grouting. Therefore, a tunnel secondary lining existing lining sleeve lining reinforcement mechanism is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a tunnel secondary lining existing lining sleeve reinforcement mechanism, which has the advantages of stable support and reduced use cost, and solves the problem that when the device is in use, the inner wall of the tunnel lining is reinforced by the action of the sleeve to improve stability, but the sleeve is connected to the tunnel lining by multiple anchor rods, the use cost is relatively high, and there is a lack of support points at the bottom, which easily leads to the problem of breakage during grouting of the sleeve.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel secondary lining existing lining sleeve reinforcement mechanism, including a tunnel lining, a sleeve is placed inside the tunnel lining, a first support plate is placed on the bottom surface of the sleeve, and two second support plates are placed on the bottom surface of the sleeve.

[0007] The two second support plates are fixedly connected to a connecting plate on one side opposite to the second support plate, and the two connecting plates are fixedly connected to the first support plate, and the two second support plates are fixedly connected to a mounting plate on one side opposite to the second support plate, and the bottom surfaces of the two mounting plates are fixedly connected to a first screw, and a connecting rod is placed on the bottom surface of the first screw, and the bottom surfaces of the two connecting rods are rotatably connected to a connecting bin through a bearing, and the first screw extends to the inside of the connecting rod, and the left and right sides of the two connecting bins are fixedly connected to a limiting plate, and the top surfaces of the four limiting plates are fixedly installed with an electric push rod, and the output ends of the four electric push rods respectively pass through the four limiting plates, and the output ends of the four electric push rods are fixedly connected to a clamping plate, and the bottom surfaces of the four clamping plates are fixedly connected to a plurality of fixing nails.

[0008] The two connecting bins are each provided with a moving assembly inside to drive the connecting bins to move.

[0009] The two connecting bins are both provided with driving components inside to drive the moving components.

[0010] Furthermore, the first support plate and the two second support plates are arc plates, and the two second support plates are symmetrically distributed with the midline of the first support plate as the center.

[0011] Furthermore, the top surfaces of the four limit plates are each provided with a through hole, the output ends of the four electric push rods respectively pass through the four through holes and are loosely matched with them, the top surfaces of the two connecting rods are each provided with a first threaded hole, and the two first screw rods respectively extend to the interior of the two first threaded holes and are threadedly connected thereto.

[0012] Furthermore, the movable component includes a partition, which is fixedly connected to the inside of the connecting warehouse, and a movable plate is placed at the bottom of the partition. Mounting rods are fixedly connected to the bottom surface of the movable plate on all four sides, and movable wheels are fixedly installed on the bottom surfaces of four mounting rods. Support grooves are provided on the left and right sides of the connecting warehouse, and the opposite sides of two adjacent clamping plates are fixedly connected to a support block with one end extending into the inside of the support groove.

[0013] Furthermore, the connection bin is in the shape of a cuboid with a hollow interior and a missing bottom surface, and the support block and the support groove are slidably connected.

[0014] Furthermore, the driving assembly includes a driving motor, which is fixedly mounted on the top surface of the partition; a baffle is fixedly connected to the back inner wall of the connecting bin; an output end of the driving motor is fixedly connected to a second screw having one end passing through the partition and the movable plate in sequence and extending to the top surface of the baffle; two batteries are fixedly mounted on the top surface of the partition; positioning grooves are provided on the left inner wall and the right inner wall of the connecting bin; and a positioning plate having one end extending to the inside of the positioning groove is fixedly connected to the left side and the right side of the movable plate.

[0015] Furthermore, the second screw is rotatably connected to the partition plate and the baffle plate respectively through two bearings, and the positioning plate and the positioning groove are slidably connected.

[0016] Furthermore, a second threaded hole is formed on the top surface of the movable plate, and the second screw rod passes through the second threaded hole and is threadedly connected thereto.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. The secondary lining of the tunnel has a lining sleeve reinforcement mechanism. The sleeve is supported by the first support plate and the second support plate to improve the stability of the sleeve, reduce the number of anchor rods used, and reduce the use cost. At the same time, the connection chamber is fixed by the fixing rod to improve the stability of the first support plate and the second support plate;

[0019] 2. The secondary lining of the tunnel has a lining sleeve reinforcement mechanism. Through the threaded connection between the first screw and the connecting rod, the first support plate and the second support plate are conveniently driven to move. Under the action of the moving wheel, the connecting warehouse is conveniently driven to move, which is convenient for the staff to operate. At the same time, through the threaded connection between the second screw and the moving plate, the moving wheel is conveniently driven to move up and down, which is more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the connecting bin in the structure of the utility model;

[0022] Figure 3 It is a bottom view schematic diagram of the movable plate in the structure of the utility model;

[0023] Figure 4 It is a bottom view schematic diagram of the connecting bin in the structure of the utility model.

[0024] In the figure: 1 tunnel lining, 2 sleeve lining, 3 first support plate, 4 connecting plate, 5 second support plate, 6 mounting plate, 7 connecting rod, 8 connecting bin, 9 driving motor, 10 partition, 11 battery, 12 positioning plate, 13 positioning groove, 14 moving plate, 15 second screw, 16 baffle, 17 mounting rod, 18 moving wheel, 19 supporting groove, 20 supporting block, 21 fixing nail, 22 clamping plate, 23 limiting plate, 24 electric push rod, 25 first screw. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figures 1 to 4 In this embodiment, a tunnel secondary lining has a lining sleeve reinforcement mechanism, including a tunnel lining 1, a sleeve lining 2 is placed inside the tunnel lining 1, the thickness of the sleeve lining 2 is 250 mm, a first support plate 3 is placed on the bottom surface of the sleeve lining 2, and two second support plates 5 are placed on the bottom surface of the sleeve lining 2.

[0027] The opposite side surfaces of the two second support plates 5 are fixedly connected with a connecting plate 4, and the two connecting plates 4 are fixedly connected to the first support plate 3. The opposite side surfaces of the two second support plates 5 are fixedly connected with a mounting plate 6, and the bottom surfaces of the two mounting plates 6 are fixedly connected with a first screw 25, and a connecting rod 7 is placed on the bottom surface of the first screw 25. The bottom surfaces of the two connecting rods 7 are rotatably connected with a connecting bin 8 through a bearing, and the first screw 25 extends to the inside of the connecting rod 7. The left and right sides of the two connecting bins 8 are fixedly connected with a limiting plate 23, and the top surfaces of the four limiting plates 23 are fixedly installed with an electric push rod 24, and the output ends of the four electric push rods 24 respectively pass through the four limiting plates 23, and the output ends of the four electric push rods 24 are fixedly connected with a clamping plate 22, and the bottom surfaces of the four clamping plates 22 are fixedly connected with a plurality of fixing nails 21.

[0028] Among them, the first support plate 3 and the two second support plates 5 are all arc plates, and the two second support plates 5 are symmetrically distributed with the midline of the first support plate 3 as the center. The top surfaces of the four limit plates 23 are each provided with through holes, and the output ends of the four electric push rods 24 respectively pass through the four through holes and are clearance-matched with them. The top surfaces of the two connecting rods 7 are each provided with a first threaded hole, and the two first screws 25 respectively extend to the inside of the two first threaded holes and are threadedly connected with them.

[0029] It should be noted that the electric push rod 24 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described in detail herein.

[0030] Specifically, the sleeve 2 is fixed to the tunnel lining 1 by a small number of anchor rods, the connecting chamber 8 is fitted with the ground, the electric push rod 24 is started, and the output end of the electric push rod 24 drives the clamping plate 22 to move downward, so that the fixing nail 21 is inserted into the ground, the connecting chamber 8 is fixed, the mounting plate 6 is grasped, and the connecting rod 7 is rotated. Through the threaded connection between the connecting rod 7 and the first screw 25, the first screw 25 drives the mounting plate 6 to move upward, and then the first support plate 3 and the second support plate 5 are fitted with the sleeve 2. Under the action of the first support plate 3 and the second support plate 5, the sleeve 2 is supported to improve the stability of the sleeve 2, and under the action of the sleeve 2, the tunnel lining 1 is reinforced.

[0031] Example 2: Please refer to Figures 1 to 4 In this embodiment, on the basis of embodiment one, two connecting bins 8 are provided with movable components inside, and the movable components include a partition 10, which is fixedly connected to the inside of the connecting bin 8, and a movable plate 14 is placed at the bottom of the partition 10, and mounting rods 17 are fixedly connected to the bottom surface of the movable plate 14 on all sides, and moving wheels 18 are fixedly installed on the bottom surfaces of the four mounting rods 17, and support grooves 19 are provided on the left and right sides of the connecting bin 8, and the opposite sides of two adjacent card plates 22 are fixedly connected to a support block 20 with one end extending to the inside of the support groove 19.

[0032] The connection chamber 8 is in the shape of a rectangular parallelepiped with a hollow interior and a missing bottom surface, and the support block 20 and the support groove 19 are slidably connected.

[0033] Specifically, the connecting bin 8 is pushed, and the connecting bin 8 is driven to move under the action of the moving wheel 18 , and the card plate 22 is supported by the sliding connection between the supporting block 20 and the supporting groove 19 , thereby improving the stability of the card plate 22 .

[0034] Example 3: Please refer to Figures 1 to 4 In this embodiment, on the basis of Embodiment 1 and Embodiment 2, a driving assembly is provided inside each of the two connecting bins 8, and the driving assembly includes a driving motor 9, which is fixedly mounted on the top surface of the partition 10, and a baffle 16 is fixedly connected to the inner wall of the back side of the connecting bin 8, and an output end of the driving motor 9 is fixedly connected to a second screw 15 having one end passing through the partition 10 and the movable plate 14 in sequence and extending to the top surface of the baffle 16, and two batteries 11 are fixedly mounted on the top surface of the partition 10, and positioning grooves 13 are provided on the left inner wall and the right inner wall of the connecting bin 8, and a positioning plate 12 having one end extending to the inside of the positioning groove 13 is fixedly connected to the left side and the right side of the movable plate 14.

[0035] The second screw 15 is rotatably connected to the partition 10 and the baffle 16 through two bearings, the positioning plate 12 and the positioning groove 13 are slidably connected, and a second threaded hole is opened on the top surface of the movable plate 14. The second screw 15 passes through the second threaded hole and is threadedly connected thereto.

[0036] It should be noted that the storage battery 11 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described in detail herein.

[0037] Specifically, the first support plate 3 and the second support plate 5 are located at the bottom of the sleeve 2, and then the drive motor 9 is started. The output end of the drive motor 9 drives the second screw 15 to rotate. Through the threaded connection between the second screw 15 and the movable plate 14 and the sliding connection between the positioning plate 12 and the positioning groove 13, the second screw 15 drives the movable plate 14 to move upward, and the movable wheel 18 is stored, so that the connecting bin 8 is in contact with the ground.

[0038] The working principle of the above embodiment is:

[0039] The sleeve 2 is fixed on the tunnel lining 1 by a small number of anchor rods, and the connecting bin 8 is pushed. Under the action of the moving wheel 18, the connecting bin 8 is driven to move, so that the first support plate 3 and the second support plate 5 are located at the bottom of the sleeve 2, and then the driving motor 9 is started. The output end of the driving motor 9 drives the second screw 15 to rotate. Through the threaded connection between the second screw 15 and the moving plate 14 and the sliding connection between the positioning plate 12 and the positioning groove 13, the second screw 15 drives the moving plate 14 to move upward, and the moving wheel 18 is stored, so that the connecting bin 8 is fitted with the ground, and the electric push rod 24 is started. The output end of the movable push rod 24 drives the card plate 22 to move downward, so that the fixing nail 21 is inserted into the ground to fix the connecting bin 8. The card plate 22 is supported by the sliding connection between the support block 20 and the support groove 19 to improve the stability of the card plate 22. The mounting plate 6 is grasped and the connecting rod 7 is rotated. Through the threaded connection between the connecting rod 7 and the first screw 25, the first screw 25 drives the mounting plate 6 to move upward, thereby making the first support plate 3 and the second support plate 5 fit with the sleeve 2. Under the action of the first support plate 3 and the second support plate 5, the sleeve 2 is supported to improve the stability of the sleeve 2.

[0040] The control method of the present invention is controlled by a controller, and the control circuit of the controller can be realized by simple programming by technicians in this field. The power supply provided by the battery is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tunnel secondary lining existing lining sleeve reinforcement mechanism, comprising a tunnel lining (1), characterized in that: A sleeve lining (2) is placed inside the tunnel lining (1), a first support plate (3) is placed on the bottom surface of the sleeve lining (2), and two second support plates (5) are placed on the bottom surface of the sleeve lining (2); The two second support plates (5) are fixedly connected to a connecting plate (4) on one side opposite to the other. The two connecting plates (4) are fixedly connected to the first support plate (3). The two second support plates (5) are fixedly connected to a mounting plate (6) on one side opposite to the other. The bottom surfaces of the two mounting plates (6) are fixedly connected to a first screw rod (25). A connecting rod (7) is placed on the bottom surface of the first screw rod (25). The bottom surfaces of the two connecting rods (7) are rotatably connected to a connecting bin (8) via a bearing. The first screw rod (25) extends into the interior of the connecting rod (7). The left and right sides of the two connecting bins (8) are fixedly connected to a limiting plate (23). The top surfaces of the four limiting plates (23) are fixedly mounted with electric push rods (24). The output ends of the four electric push rods (24) respectively penetrate the four limiting plates (23). The output ends of the four electric push rods (24) are fixedly connected to a clamping plate (22). The bottom surfaces of the four clamping plates (22) are fixedly connected to a plurality of fixing nails (21). The two connecting bins (8) are each provided with a moving component inside, and the two connecting bins (8) are each provided with a driving component inside.

2. The existing lining casing reinforcement mechanism for secondary lining of a tunnel according to claim 1 is characterized by: The first support plate (3) and the two second support plates (5) are both arc plates, and the two second support plates (5) are symmetrically distributed with the midline of the first support plate (3) as the centre.

3. The existing lining casing reinforcement mechanism for secondary lining of a tunnel according to claim 2 is characterized by: The top surfaces of the four limit plates (23) are each provided with a through hole, the output ends of the four electric push rods (24) respectively penetrate the four through holes and are clearance-matched therewith, the top surfaces of the two connecting rods (7) are each provided with a first threaded hole, and the two first screw rods (25) respectively extend into the interior of the two first threaded holes and are threadedly connected therewith.

4. The existing lining casing reinforcement mechanism for secondary lining of a tunnel according to claim 1 is characterized by: The movable assembly comprises a partition (10), wherein the partition (10) is fixedly connected to the inside of the connecting bin (8), a movable plate (14) is placed at the bottom of the partition (10), mounting rods (17) are fixedly connected to the bottom surface of the movable plate (14) on all sides, and movable wheels (18) are fixedly installed on the bottom surfaces of the four mounting rods (17), and the left and right sides of the connecting bin (8) are provided with support grooves (19), and the opposite sides of two adjacent clamping plates (22) are fixedly connected to a support block (20) having one end extending into the inside of the support groove (19).

5. The existing lining casing reinforcement mechanism for secondary lining of a tunnel according to claim 4 is characterized by: The connection chamber (8) is in the shape of a rectangular parallelepiped with a hollow interior and a missing bottom surface, and the support block (20) and the support groove (19) are slidably connected.

6. The existing lining casing reinforcement mechanism for secondary lining of a tunnel according to claim 4 is characterized by: The drive assembly comprises a drive motor (9), the drive motor (9) being fixedly mounted on the top surface of the partition (10); a baffle (16) being fixedly connected to the back inner wall of the connection chamber (8); an output end of the drive motor (9) being fixedly connected to a second screw (15) having one end which passes through the partition (10) and the movable plate (14) in sequence and extends to the top surface of the baffle (16); two storage batteries (11) being fixedly mounted on the top surface of the partition (10); a positioning groove (13) being provided on the left inner wall and the right inner wall of the connection chamber (8); and a positioning plate (12) having one end which extends to the inside of the positioning groove (13) being fixedly connected to the left side and the right side of the movable plate (14).

7. The existing lining casing reinforcement mechanism for secondary lining of a tunnel according to claim 6 is characterized by: The second screw rod (15) is rotatably connected to the partition plate (10) and the baffle plate (16) respectively via two bearings, and the positioning plate (12) and the positioning groove (13) are slidably connected.

8. The existing lining casing reinforcement mechanism for secondary tunnel lining according to claim 7 is characterized by: A second threaded hole is formed on the top surface of the movable plate (14), and the second screw rod (15) passes through the second threaded hole and is threadedly connected thereto.

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