Telescopic tunnel steel support supporting and adjusting structure

Abstract

The utility model relates to the technical field of mechanical engineering, and discloses a telescopic tunnel steel support timbering adjusting structure which comprises elastic steel and a hollow plate, the outer wall of the elastic steel is fixedly connected with a plurality of elastic blocks, the front side and the rear side of the outer wall of the elastic steel are fixedly connected with elastic pieces, the outer walls of the elastic pieces are fixedly connected with shells, and the shells are fixedly connected with the hollow plate. A plurality of limiting holes are formed in the front side of the hollow plate, limiting columns are slidably connected to the inner walls of the limiting holes, second limiting rings are in threaded connection to the front sides of the outer walls of the limiting columns, telescopic rods are fixedly connected to the inner wall of the hollow plate, and sliding plates are slidably connected to the left side and the right side of the inner wall of the hollow plate. According to the device, the second limiting ring is rotated to be separated from the limiting column, the limiting column is pulled out, the telescopic rod is started, the sliding plate slides along the inner wall of the hollow plate, the elastic steel is extruded, the shell is pressed, and the internal elastic piece and the elastic block buffer pressure, so that the device is tightly attached to the inner wall of the tunnel, and the anti-pressure capacity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical engineering technical field especially, relates to telescopic tunnel steel support supporting adjustment structure. BACKGROUND

[0002] With the rapid development of traffic infrastructure construction, a large number of tunnel projects emerge, especially when the super-long tunnel passes through the mountain, the confining pressure increases, and the tunnel is prone to geological disasters, and the self-supporting capacity of weak surrounding rock under high ground stress conditions is poor, the continuous progress of material science, mechanical manufacturing and hydraulic pneumatic provides technical support for the research and development of telescopic tunnel steel support supporting adjustment structure, for example, the emergence of high-strength steel makes the support structure more portable and flexible while ensuring strength, advanced hydraulic and pneumatic systems can realize accurate telescopic control and force transmission, and the development of mechanical transmission technology makes the transmission of adjustment structure more efficient, stable and reliable.

[0003] At present, a supporting structure that can adapt to complex geological conditions and surrounding rock deformation is needed to ensure construction safety and tunnel stability, rigid supports are used in the prior art to support the tunnel, rigid arches are widely used in tunnel engineering as a mature surrounding rock supporting technology, but there are obvious deficiencies in soft rock tunnels, rigid support cannot be telescopic, cannot be completely attached to the surrounding rock, is not conducive to the deformation control and stress release of surrounding rock, and it is difficult to inhibit the large deformation of surrounding rock, and the control effect on the stability of the tunnel is poor, if there is a gap between the support structure and the inner wall of the tunnel, the surrounding rock pressure cannot be uniformly transmitted to the support structure, which will cause local pressure to be too large, forming stress concentration phenomenon, which will make some parts of the support structure bear too high load, prone to deformation and damage, reduce the overall carrying capacity of the support structure, and cannot effectively inhibit the deformation of surrounding rock, as the surrounding rock cannot be closely attached, cannot provide comprehensive and effective constraint to the surrounding rock, and the loose range of the surrounding rock may continue to expand under the action of its own gravity and external stress, further weakening the stability of the surrounding rock, increasing the risk of tunnel collapse. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides telescopic tunnel steel support supporting adjustment structure, aims at improving the problem that the support equipment cannot be closely attached to the inner wall of the tunnel in the prior art, causing local pressure to be too large, weakening the stability of the surrounding rock and increasing the risk of tunnel collapse.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: telescopic tunnel steel support adjusting structure, including elastic steel and hollow board, the outer wall of elastic steel is fixedly connected with a plurality of elastic blocks, the outer wall of elastic steel is fixedly connected with elastic sheet before and after, the outer wall of elastic sheet is fixedly connected with shell, the front side of hollow board is provided with a plurality of limit hole, the inner wall of limit hole is slidably connected with limit post, the outer wall of limit post is screw connected with limit ring no.

[0006] As a further description of the above technical scheme:

[0007] The dismounting mechanism includes a stand column, the bottom of the stand column is fixedly connected with the top of the hollow board, the bottom of the front side of the stand column is screw connected with a screw one, the outer wall of the screw one is screw connected with a support rod, the front side of the support rod is slidably connected with a connecting column, the outer wall of the front side of the connecting column is screw connected with a limit ring one, the top of the front side of the stand column is screw connected with a screw two, the outer wall of the screw two is screw connected with a crossbeam.

[0008] As a further description of the above technical scheme:

[0009] The outer wall of the stand column is fixedly connected with a corrosion-resistant plating one in the middle, and the outer wall of the crossbeam is fixedly connected with a corrosion-resistant plating two.

[0010] As a further description of the above technical scheme:

[0011] The outer wall of the screw two is provided with a gasket one, and the outer wall of the screw one is provided with a gasket two.

[0012] As a further description of the above technical scheme:

[0013] The top of the hollow board is fixedly connected with anti-skid lines, and a plurality of anti-skid lines are symmetrically arranged.

[0014] As a further description of the above technical scheme:

[0015] The outer wall of the limit post is slidably connected with the inner wall of the sliding plate, and the right side of the telescopic rod is fixedly connected with the left side of the sliding plate.

[0016] As a further description of the above technical scheme:

[0017] The bottom of the stand column is fixedly connected with a bottom block, and the bottom of the bottom block is fixedly connected with the top of the hollow board before and after.

[0018] As a further description of the above technical scheme:

[0019] The inner wall of the baffle is fixedly connected with the outer wall of the elastic steel.

[0020] The utility model has the advantages of the following:

[0021] 1、 the utility model discloses, when adjusting support equipment, rotates limit ring two to separate from the limit post, draws out the limit post, starts telescopic link, and the sliding plate is pushed along the hollow plate inner wall sliding, and the sliding plate extrudes elastic steel, and the shell is under compression, and the internal elastic sheet and elastic block buffer pressure, realized the adjustment of equipment, make elastic steel more have ductility, and can more closely fit the tunnel inner wall, improve the compression resistance of equipment.

[0022] 2、 the utility model discloses, inserts the column into the bottom block, and tightens screw one and fixes the column with the support rod, inserts the connecting column to the support rod, and tightens limit ring one to lock the connecting column position, finally, with screw two, the crossbeam is fixed on the column, thereby supporting the inside of elastic steel, realized the installation and dismounting of equipment, simplified the installation process, and the use of user is facilitated, and the equipment is provided with sufficient support, and the compression resistance of equipment is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the shell front side perspective drawing of telescopic tunnel steel support support adjusting structure that the utility model proposes;

[0024] Figure 2 It is the elastic steel partial structure split drawing of telescopic tunnel steel support support adjusting structure that the utility model proposes;

[0025] Figure 3 It is the hollow plate partial structure drawing of telescopic tunnel steel support support adjusting structure that the utility model proposes;

[0026] Figure 4 It is the crossbeam partial structure display drawing of telescopic tunnel steel support support adjusting structure that the utility model proposes;

[0027] Figure 5 It is the sliding plate partial structure schematic view of telescopic tunnel steel support support adjusting structure that the utility model proposes.

[0028] LEGEND:

[0029] 1, elastic steel; 2, disassembly mechanism; 201, stand; 202, screw one; 203, support rod; 204, connecting column; 205, limit ring one; 206, crossbeam; 207, screw two; 3, elastic block; 4, elastic sheet; 5, shell; 6, hollow plate; 7, limit hole; 8, limit column; 9, telescopic rod; 10, sliding plate; 11, limit ring two; 12, bottom block; 13, anti-skid pattern; 14, anticorrosive plating one; 15, anticorrosive plating two; 16, baffle; 17, gasket one; 18, gasket two. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to the drawings in the embodiments of the utility model Figure 1 , the drawings in the embodiments of the utility model Figure 3 and the drawings in the embodiments of the utility model Figure 5 , one embodiment provided by the utility model: telescopic tunnel steel support adjusting structure, including elastic steel 1 and hollow plate 6, the outer wall of elastic steel 1 is fixedly connected with a plurality of elastic blocks 3, the outer wall of elastic steel 1 is fixedly connected with elastic sheet 4 on front and back sides, the outer wall of elastic sheet 4 is fixedly connected with shell 5, the front side of hollow plate 6 is provided with a plurality of limit holes 7, the inner wall of limit hole 7 is slidably connected with limit column 8, the outer wall of limit column 8 is threadedly connected with limit ring two 11 on the front side, the inner wall of hollow plate 6 is fixedly connected with telescopic rod 9, the left and right sides of the inner wall of hollow plate 6 are slidably connected with sliding plate 10, the inside of elastic steel 1 is provided with disassembly mechanism 2, and disassembly mechanism 2 is used for conveniently installing and disassembling, the outer wall of limit column 8 is slidably connected with the inner wall of sliding plate 10, and the right side of telescopic rod 9 is fixedly connected with the left side of sliding plate 10.

[0032] Specifically, the elastic block 3 not only enhances the stability of the structure, but also gives the device a certain elastic buffering capacity. The elastic steel 1 is fixedly connected with the elastic sheet 4, which ensures that the device can effectively disperse the pressure when subjected to external force, thereby protecting the internal components from damage. The shell 5 provides an additional protective layer for the internal structure. The limiting hole 7 can ensure the accuracy and stability of the limiting column 8 when sliding therein. The limiting column 8 is screw-connected with the limiting ring two 11, which not only enhances the fixing effect of the limiting column 8, but also facilitates the user to adjust the position of the limiting ring two 11 as needed to adapt to different use scenarios. The telescopic rod 9 enables the device to adjust the length as needed, greatly increasing the application range of the device. The sliding plate 10 enables the device to flexibly adjust the position during use, improving the convenience of operation. The dismounting mechanism 2 fully considers the user experience, making the installation and dismounting process simple and fast, greatly improving the operation efficiency of the user. The limiting column 8 is slidingly connected with the sliding plate 10, ensuring the smoothness and stability of the device during operation. The telescopic rod 9 is fixedly connected with the sliding plate 10, enabling the device to maintain good balance when telescoping, ensuring the stability and reliability of the device.

[0033] Please refer to the attached Figure 1 , attached Figure 2 and attached Figure 4 , the dismounting mechanism 2 includes a stand 201, the bottom of the stand 201 is fixedly connected with the top of the hollow plate 6, the front bottom of the stand 201 is screw-connected with a screw one 202, the outer wall of the screw one 202 is screw-connected with a supporting rod 203, the front side of the supporting rod 203 is slidingly connected with a connecting column 204, the outer wall of the connecting column 204 is screw-connected with a limiting ring one 205 on the front side, the front top of the stand 201 is screw-connected with a screw two 207, the outer wall of the screw two 207 is screw-connected with a cross beam 206, the outer wall of the cross beam 206 is fixedly connected with a corrosion-resistant plating layer two 15, and the outer wall of the stand 201 is fixedly connected with a corrosion-resistant plating layer one 14.

[0034] Specifically, the stand 201 is fixedly connected with the hollow plate 6, ensuring the stability of the whole. The stand 201 is screw-connected with the screw one 202, showing the delicacy and rigor of engineering design. The supporting rod 203 is slidingly connected with the connecting column 204, not only ensuring the flexibility of the structure, but also facilitating the on-site quick installation and adjustment. The limiting ring one 205 ensures the positional accuracy and safety of the connecting column 204 during use. The screw two 207 is screw-connected with the cross beam 206, reflecting the designer's careful consideration of structural strength and durability. The corrosion-resistant plating layer one 14 and the corrosion-resistant plating layer two 15 not only improve the corrosion resistance of the structure, but also prolong the service life of the whole device, reflecting the pursuit of details and deep understanding of user needs.

[0035] Please refer to the attached Figure 1 , attachedFigure 2 and attached Figure 3 The outer wall of the screw two 207 is provided with a gasket one 17, the outer wall of the screw one 202 is provided with a gasket two 18, the bottom of the stand column 201 is fixedly connected with a bottom block 12, and the bottom of the bottom block 12 is fixedly connected with the top of the hollow plate 6 on the front and rear sides;

[0036] Specifically, the gasket one 17 not only protects the thread but also ensures the tightness of the connection, the gasket two 18 can disperse the force point when bearing pressure, thereby prolonging the service life of the screw, the stand column 201 is fixedly connected with the bottom block 12, ensuring the stability of the structure, and the bottom block 12 is fixedly connected with the hollow plate 6, not only enhancing the overall bearing capacity, but also ensuring the stability and safety of the equipment in various working environments.

[0037] Please refer to attached Figure 1 , attached Figure 2 and attached Figure 3 The top of the hollow plate 6 is fixedly connected with anti-skid lines 13, the anti-skid lines 13 are symmetrically arranged between the plurality of anti-skid lines 13, the inner wall of the shell 5 is fixedly connected with a baffle 16, and the inner wall of the baffle 16 is fixedly connected with the outer wall of the elastic steel 1;

[0038] Specifically, the anti-skid lines 13 enhance the friction of the plate surface, the baffle 16 not only ensures the stability of the internal structure, but also the baffle 16 is fixedly connected with the elastic steel 1, further enhancing the durability and reliability of the entire device, reflecting the manufacturer's attention to product details and deep understanding of user safety and use experience.

[0039] Working principle: when it is necessary to adjust the supporting equipment, the limiting ring two 11 is rotated, so that the limiting ring two 11 is separated from the outer wall of the limiting column 8, the limiting column 8 can be pulled out, and then the telescopic rod 9 is started, the telescopic rod 9 pushes the sliding plates 10 on both sides, so that the sliding plates 10 slide along the inner wall of the hollow plate 6 to both sides, the elastic steel 1 is extruded outward in the process of the sliding plates 10 moving outward, the external pressure extrudes the shell 5, and then extrudes the elastic piece 4 and the elastic block 3 in the shell 5, the elastic block 3 and the elastic piece 4 buffer and offset the pressure, the adjustment of the equipment is realized, the elastic steel 1 is more ductile, and can be more closely attached to the tunnel inner wall, improving the pressure resistance of the equipment;

[0040] Screw one 202 can fix support rod 203 and stand 201 together, then insert connecting column 204 into support rod 203, and screw limit ring one 205, limit ring one 205 can limit connecting column 204 between two support rods 203, then screw screw two 207, screw two 207 can fix cross beam 206 and stand 201 together, so as to support the inside of elastic steel 1, realize the installation and dismounting of the equipment, simplify the installation process, facilitate the use of the user, provide sufficient support for the equipment, and further improve the pressure resistance of the equipment.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A telescopic tunnel steel support adjustment structure comprising an elastic steel (1) and a hollow slab (6), characterized in that: The outer wall of the elastic steel (1) is fixedly connected with a plurality of elastic blocks (3), the front and rear sides of the outer wall of the elastic steel (1) are fixedly connected with elastic sheets (4), the outer wall of the elastic sheet (4) is fixedly connected with a shell (5), a plurality of limiting holes (7) are formed in the front side of the hollow plate (6), the inner wall of the limiting hole (7) is slidably connected with a limiting column (8), the outer wall of the limiting column (8) is threadedly connected with a limiting ring two (11) on the front side, the inner wall of the hollow plate (6) is fixedly connected with a telescopic rod (9), the left and right sides of the inner wall of the hollow plate (6) are slidably connected with sliding plates (10), and the inside of the elastic steel (1) is provided with a dismounting mechanism (2), which is used for facilitating the user to install and dismount.

2. The telescopic tunnel steel support adjusting structure according to claim 1, characterized in that: The dismounting mechanism (2) comprises a stand column (201), the bottom of the stand column (201) is fixedly connected with the top of the hollow plate (6), the front bottom of the stand column (201) is threadedly connected with a screw one (202), the outer wall of the screw one (202) is threadedly connected with a supporting rod (203), the front side of the supporting rod (203) is slidably connected with a connecting column (204), the outer wall of the connecting column (204) is threadedly connected with a limiting ring one (205) on the front side, the front top of the stand column (201) is threadedly connected with a screw two (207), and the outer wall of the screw two (207) is threadedly connected with a cross beam (206).

3. The telescopic tunnel steel support adjustment structure according to claim 2, characterized in that: The outer wall of the stand column (201) is fixedly connected with a corrosion-resistant plating one (14) in the middle, and the outer wall of the cross beam (206) is fixedly connected with a corrosion-resistant plating two (15).

4. The telescopic tunnel steel support adjusting structure according to claim 2, characterized in that: The outer wall of the screw two (207) is provided with a gasket one (17), and the outer wall of the screw one (202) is provided with a gasket two (18).

5. The telescopic tunnel steel support adjustment structure according to claim 1, wherein: The top of the hollow plate (6) is fixedly connected with anti-skid lines (13), and a plurality of the anti-skid lines (13) are symmetrically arranged.

6. The telescopic tunnel steel support adjustment structure according to claim 1, wherein: The outer wall of the limiting column (8) is slidably connected with the inner wall of the sliding plate (10), and the right side of the telescopic rod (9) is fixedly connected with the left side of the sliding plate (10).

7. The telescopic tunnel steel support adjusting structure according to claim 2, characterized in that: The bottom of the stand column (201) is fixedly connected with a bottom block (12), and the bottom of the bottom block (12) is fixedly connected with the top of the hollow plate (6) on the front and rear sides.

8. The telescopic tunnel steel support adjustment structure according to claim 1, wherein: The inner wall of the shell (5) is fixedly connected with a baffle (16), and the inner wall of the baffle (16) is fixedly connected with the outer wall of the elastic steel (1).

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