Temporary support convenient to disassemble and assemble for tunnel construction

Abstract

The utility model discloses a tunnel construction temporary support convenient to disassemble and assemble, and relates to the technical field of tunnel construction. And the supporting mechanism is arranged on the bottom frame, and the supporting mechanism is used for supporting and protecting the interior of the tunnel. And the stabilizing mechanism is arranged on the bottom frame, and the stabilizing mechanism is used for reinforcing the bottom frame. According to the overall structure, the detachable arrangement is adopted, the bottom frame, the supporting mechanism and the stabilizing mechanism can be detached to form independent individuals, overall assembly is convenient, and storage is convenient.

Description

Technical Field

[0001] This utility model belongs to the field of tunnel construction technology, specifically a temporary support for tunnel construction that is easy to assemble and disassemble. Background Technology

[0002] Chinese Patent Publication No. CN211819467U discloses a temporary support device for tunnel construction, comprising: a base plate, casters, a push rod, a main support rod, a support mechanism, and a sliding sleeve. A hydraulic cylinder is mounted on the top of the base plate, and the main support rod is fixedly connected to the top of the fixed plate. A groove is provided on the surface of the main support rod, and a pulley is installed inside the groove. A sliding sleeve is fixedly connected to the other end of the pulley, and a support mechanism is fixedly connected to both sides of the sliding sleeve. An arc-shaped baffle is fixedly connected to the other end of the support mechanism. This invention improves construction efficiency and effectively reinforces the tunnel. The arc-shaped baffle can be moved to both sides of the main support rod through the cooperation of a hinge joint and a rotating shaft, allowing the arc-shaped baffle to open or close. The sliding sleeve can slide within the groove via the pulley, lowering the arc-shaped baffle as a whole, thereby reducing the storage space of the support device, facilitating storage, and improving the convenience of use. However, this device has a drawback: because it is an integrated unit, it cannot be disassembled, leading to inconvenient storage. Utility Model Content

[0003] The present invention aims to solve the technical problems existing in the prior art; to this end, the present invention proposes a temporary support for tunnel construction that is easy to assemble and disassemble.

[0004] The objective of this utility model can be achieved through the following technical solutions:

[0005] A temporary support structure for tunnel construction that is easy to assemble and disassemble, including a base frame.

[0006] A support mechanism, mounted on a base frame, is used to provide support and protection for the interior of the tunnel.

[0007] A stabilizing mechanism, mounted on the base frame, is used to reinforce the base frame.

[0008] As a further embodiment of this utility model: the base frame includes a lower cylinder, and a connecting arm is rotatably connected to the surface of the lower cylinder. The connecting arm is provided in two sets, and each set of the connecting arm consists of two straight rods. A first folding rod is provided on the two straight rods, and an insert rod is rotatably connected to the straight rod.

[0009] As a further embodiment of this utility model: the support mechanism includes a cylinder placed in the lower cylinder, the output end of the cylinder is fixedly connected to a fixed frame, a vertical rod is connected to the fixed frame through a movable component, the vertical rod is slidably connected to the fixed frame, a central baffle is provided on the fixed frame, outer baffles are rotatably connected to both sides of the central baffle, a support roller is provided on the vertical rod, and the support roller is in contact with the outer baffles.

[0010] As a further embodiment of this utility model: the movable component includes a lead screw 1 rotatably connected to a fixed frame, the lead screw 1 being threadedly connected to a vertical rod, and a handwheel being fixedly connected to the lead screw 1.

[0011] As a further embodiment of this utility model: a positioning rod is fixedly connected to the fixing frame, and an upper cylinder is fixedly connected to the bottom of the central baffle, wherein the positioning rod and the upper cylinder are adapted to each other.

[0012] As a further embodiment of this utility model: the stabilizing mechanism includes a circular plate disposed below the lower cylinder, and a reinforcing arm is rotatably connected to the circular plate. The reinforcing arm is provided in two sets, and each set of the reinforcing arm consists of two adjusting rods, and a second folding rod is provided on the two adjusting rods.

[0013] As a further embodiment of this utility model: both the second folding rod and the first folding rod are provided with limit blocks, and a support ring is fixedly connected to the insertion rod.

[0014] As a further embodiment of this utility model: the adjusting rod includes a locking rod, the locking rod is respectively attached to the insert rod and the support ring, a rotating block is rotatably connected to the locking rod, a second lead screw is fixedly connected to the rotating block, a connecting rod is threadedly connected to the second lead screw, and the connecting rod is rotatably connected to the circular plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. The overall structure of this application adopts a detachable design, and the base frame, support mechanism and stabilizing mechanism can be separated to form independent units, making the whole assembly convenient and easy to store.

[0017] 2. This application incorporates a stabilizing mechanism to support the insert rod during support operations, thereby preventing overall collapse. Attached Figure Description

[0018] Figure 1 This is a first-view perspective perspective view of the present invention;

[0019] Figure 2 This utility model Figure 1 A magnified view of a section at point A in the middle;

[0020] Figure 3 This utility model Figure 1 A magnified view of a section at point B in the middle;

[0021] Figure 4 This is a first-view perspective perspective view of the present invention;

[0022] Figure 5 This is a perspective view of the base frame of this utility model;

[0023] Figure 6 This is a perspective view of the central baffle, outer baffle, and upper cylinder of this utility model.

[0024] In the diagram: 1. Base frame; 11. Lower cylinder; 12. Straight rod; 13. First folding rod; 14. Insert rod; 2. Support mechanism; 21. Cylinder; 22. Fixed frame; 23. Moving component; 231. Lead screw one; 232. Handwheel; 24. Vertical rod; 25. Center baffle; 26. Outer baffle; 27. Support roller; 3. Stabilizing mechanism; 31. Circular plate; 32. Adjusting rod; 321. Locking rod; 322. Rotating block; 323. Lead screw two; 324. Connecting rod; 33. Second folding rod; 4. Positioning rod; 5. Upper cylinder; 6. Limiting block; 7. Support ring. Detailed Implementation

[0025] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] Example 1

[0027] Please see Figures 1-6 As shown, this application provides a temporary support for tunnel construction that is easy to assemble and disassemble, including a base frame 1;

[0028] Support mechanism 2 is mounted on the base frame 1 and is used to support and protect the interior of the tunnel.

[0029] A stabilizing mechanism 3 is installed on the base frame 1, and the stabilizing mechanism 3 is used to reinforce the base frame 1.

[0030] The base frame 1 includes a lower cylinder 11, and a connecting arm is rotatably connected to the surface of the lower cylinder 11. There are two sets of connecting arms, and each set of connecting arms consists of two straight rods 12. A first folding rod 13 is provided on the two straight rods 12, and an insert rod 14 is rotatably connected to the straight rod 12. The maximum angle between the straight rod 12 and the insert rod 14 is 90 degrees.

[0031] The support mechanism 2 includes a cylinder 21 placed in the lower cylinder 11. The cylinder 21 is electrically connected to an external power source and controlled by an external control program. A fixed frame 22 is fixedly connected to the output end of the cylinder 21. A vertical rod 24 is connected to the fixed frame 22 via a moving component 23. The vertical rod 24 is slidably connected to the fixed frame 22. A central baffle 25 is provided on the fixed frame 22. Outer baffles 26 are rotatably connected to both sides of the central baffle 25. A support roller 27 is provided on the vertical rod 24. The support roller 27 is in contact with the outer baffles 26. The cylinder 21 is inserted into the lower cylinder 11, and the upper cylinder 5 is placed on the positioning rod 4. By opening the cylinder 21, the central baffle 25 is raised through the fixing frame 22, the positioning rod 4, and the upper cylinder 5, so that the central baffle 25 is in contact with the tunnel wall. Then, by rotating the moving component 23, the lead screw 231 is rotated. Since the vertical rod 24 is slidably connected to the fixing frame 22, the rotation of the lead screw 231 will drive the vertical rod 24 to move, which in turn drives the support roller 27 to move, thereby causing the outer baffle 26 to rotate on the central baffle 25, and finally causing the outer baffle 26 to also be in contact with the tunnel wall, thus achieving support for the tunnel wall.

[0032] The movable component 23 includes a lead screw 231 rotatably connected to the fixed frame 22. The lead screw 231 is threadedly connected to the vertical rod 24, and a handwheel 232 is fixedly connected to the lead screw 231.

[0033] A positioning rod 4 is fixedly connected to the fixed frame 22, and an upper cylinder 5 is fixedly connected to the bottom of the central baffle 25. The positioning rod 4 and the upper cylinder 5 are compatible with each other.

[0034] Example 2

[0035] Based on Example 1, see Figures 1-4 As shown.

[0036] The stabilizing mechanism 3 includes a circular plate 31 disposed below the lower cylinder 11. A reinforcing arm is rotatably connected to the circular plate 31. Two sets of reinforcing arms are provided, each set consisting of two adjusting rods 32. A second folding rod 33 is provided on each of the two adjusting rods 32. By opening all the insert rods 14 and inserting them into the tunnel, and then opening all the connecting rods 324, the second folding rod 33 is straightened. Then, by rotating the rotating block 322, the second lead screw 323 is rotated and moved, thereby moving the locking rod 321 so that it locks onto the surface of the insert rod 14. Finally, the locking rod 321 is placed on the support ring 7.

[0037] Both the second folding rod 33 and the first folding rod 13 are provided with limit blocks 6. By providing limit blocks 6, the maximum opening angle of the second folding rod 33 and the first folding rod 13 when opened is 180 degrees. A support ring 7 is fixedly connected to the insertion rod 14.

[0038] The adjusting rod 32 includes a locking rod 321, which is respectively attached to the insert rod 14 and the support ring 7. A rotating block 322 is rotatably connected to the locking rod 321. A lead screw 323 is fixedly connected to the rotating block 322. A connecting rod 324 is threadedly connected to the lead screw 323. The connecting rod 324 is rotatably connected to the circular plate 31.

[0039] The working principle of this utility model is as follows: by opening all the insert rods 14 and inserting them into the tunnel, then opening all the connecting rods 324, so that the second folding rod 33 is in a straightened state. Then, by rotating the rotating block 322, the second lead screw 323 is driven to rotate and move, thereby driving the locking rod 321 to move, so that the locking rod 321 is locked on the surface of the insert rod 14. Then, the locking rod 321 is placed on the support ring 7. Next, cylinder 21 is inserted into the lower cylinder 11, and the upper cylinder 5 is placed on the positioning rod 4. By opening cylinder 21, the central baffle 25 is raised through the fixing frame 22, positioning rod 4, and upper cylinder 5, so that the central baffle 25 is in contact with the tunnel wall. Then, by rotating the moving component 23, the lead screw 231 is rotated. Since the vertical rod 24 is slidably connected to the fixing frame 22, the rotation of the lead screw 231 will drive the vertical rod 24 to move, which in turn drives the support roller 27 to move, thereby causing the outer baffle 26 to rotate on the central baffle 25, and finally causing the outer baffle 26 to also be in contact with the tunnel wall, thus achieving support for the tunnel wall.

[0040] The above embodiments are only used to illustrate the technical methods of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical methods of this utility model without departing from the spirit and scope of the technical methods of this utility model.

Claims

1. A temporary support for tunnel construction that is easy to assemble and disassemble, characterized in that: Including the chassis (1); Supporting mechanism (2) is arranged on the chassis (1), the supporting mechanism (2) is used for supporting and protecting inside the tunnel; Stable mechanism (3) is arranged on the chassis (1), the stable mechanism (3) is used for reinforcing the chassis (1); The supporting mechanism (2) includes a cylinder (21) placed in the lower cylinder (11), the output end of the cylinder (21) is fixedly connected with a fixed frame (22), the fixed frame (22) is connected with a vertical rod (24) through a moving assembly (23), the vertical rod (24) and the fixed frame (22) are slidably connected, the fixed frame (22) is provided with a center baffle (25), both sides of the center baffle (25) are rotatably connected with an outer baffle (26), the vertical rod (24) is provided with a supporting roller (27), and the supporting roller (27) is attached to the outer baffle (26); The stable mechanism (3) includes a circular plate (31) arranged below the lower cylinder (11), the circular plate (31) is rotatably connected with a reinforcing arm, the reinforcing arm is provided with two groups, and each group of the reinforcing arm is composed of two adjusting rods (32), and the two adjusting rods (32) are provided with second folding rods (33).

2. The temporary support for tunnel construction according to claim 1, wherein The chassis (1) includes a lower cylinder (11), the surface of the lower cylinder (11) is rotatably connected with a connecting arm, the connecting arm is provided with two groups, and each group of the connecting arm is composed of two straight rods (12), and the two straight rods (12) are provided with first folding rods (13), and the straight rod (12) is rotatably connected with a plug rod (14).

3. The temporary support for tunnel construction according to claim 1, wherein The moving assembly (23) includes a screw rod one (231) rotatably connected to the fixed frame (22), the screw rod one (231) is threadedly connected between the vertical rod (24), and the screw rod one (231) is fixedly connected with a hand wheel (232).

4. The temporary support for tunnel construction according to claim 1, wherein The fixed frame (22) is fixedly connected with a positioning rod (4), the bottom of the center baffle (25) is fixedly connected with an upper cylinder (5), and the positioning rod (4) and the upper cylinder (5) are matched.

5. The temporary support for tunnel construction according to claim 2, wherein The second folding rod (33) and the first folding rod (13) are provided with a limiting block (6), and the plug rod (14) is fixedly connected with a supporting ring (7).

6. The temporary support for tunnel construction according to claim 1, wherein The adjusting rod (32) includes a clamping rod (321), the clamping rod (321) is attached to the plug rod (14) and the supporting ring (7), respectively, the clamping rod (321) is rotatably connected with a rotating block (322), the rotating block (322) is fixedly connected with a screw rod two (323), the screw rod two (323) is threadedly connected with a connecting rod (324), and the connecting rod (324) is rotatably connected with the circular plate (31).

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