Detachable combined crawling ladder for pipe jacking well

Abstract

The utility model discloses a detachable combined ladder stand for a pipe-jacking well, which comprises a mounting column, a pedal is fixedly connected to the outer wall of the mounting column, a guardrail is mounted on the outer wall of the mounting column, and a fixing structure is mounted at the bottom of the mounting column. The utility model relates to the technical field of combined crawling ladders, through the cooperation of the limiting strip, the spring and the clamping block, the limiting strip is inserted into the top of the mounting column, so that the clamping block clamps the limiting strip under the action of the spring, and the mounting column is more stable when aligned and fixed. And bolt holes between the mounting columns need to be aligned and fixed and then are fixed by using bolts, so that the time is too long and the working efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of combined ladders, in particular to a detachable combined ladder for a pipe jacking well. Background Art

[0002] At present, with the continuous development of my country's urban scale, large-diameter pipes are increasingly used in urban water supply and drainage pipeline projects. Due to the limitation of construction sites, most of the construction processes use non-excavation pipe jacking construction technology. Pipe jacking projects require the establishment of pipe jacking wells, which are generally cast-in-place reinforced concrete structures. Affected by the design burial depth and pipe size of large-diameter pipes, the depth of pipe jacking wells is generally more than 4m.

[0003] When the prior art is used, the mounting posts on both sides of the ladder are connected by fixing bolts, so that the length of the ladder is extended, and the bottom of the ladder is pressed against the bottom of the jacking well, so that it is more stable when fixed and convenient to use.

[0004] However, in actual use, when the ladder is connected by using fixing bolts, it is necessary to align the mounting columns and then fix them with bolts, which increases the working time and reduces the working efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a detachable combined ladder for a pipe jacking shaft, which solves the problem that when the ladder is connected using fixing bolts in actual use, the mounting columns need to be aligned and then fixed with bolts, which increases the working time and thus reduces the working efficiency.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a detachable combined ladder for a jacking pipe well, comprising a mounting column, the outer wall of the mounting column is fixedly connected with a pedal, the outer wall of the mounting column is installed with a guardrail, the bottom of the mounting column is installed with a fixed structure, the fixed structure comprises a limit bar, a spring and a block, the top of the limit bar is fixedly connected to the bottom of the mounting column, the outer wall of the limit bar is inserted into the top of the mounting column, the outer wall of the limit bar is fitted with a block, the outer wall of the block is slidably connected to the inner wall of the mounting column, the outer wall of the block is fixedly connected with a spring, and the outer wall of the spring is fixedly connected to the inner wall of the mounting column.

[0007] Preferably, a bent plate is fixedly connected to the bottom of the mounting column, a fixed plate is fixedly connected to the top side of the bent plate by bolts, an outer wall of the fixed plate is fixedly connected to the top side of the mounting column, a clamping plate is inserted into the inner wall of the bent plate, and an outer wall of the clamping plate is fixedly connected to the other side of the top of the mounting column.

[0008] Preferably, the outer wall of the guardrail is fixedly connected with a mounting block, and the outer wall of the mounting block is inserted into the inner wall of the mounting column.

[0009] Preferably, the inner wall of the mounting column is fixedly connected with a return spring, the outer wall of the return spring is fixedly connected with an insert block, the inner wall of the return spring is plugged with a pull rod, the outer wall of the pull rod is fixedly connected to the outer wall of the insert block, the outer wall of the insert block is movably connected to the inner wall of the mounting column, and one end of the insert block extending to the inside of the mounting column is fitted into the outer wall of the mounting block.

[0010] Preferably, an anti-skid pad is installed on the top of the pedal, and a bayonet is fixedly connected to the bottom of the anti-skid pad, and the outer wall of the bayonet is clamped to the inner wall of the pedal.

[0011] Beneficial Effects

[0012] The utility model provides a detachable combined ladder for a pipe jacking well. The utility model has the following beneficial effects: the detachable combined ladder for a pipe jacking well inserts the limit bar on the top of the mounting column through the cooperation of the limit bar, the spring and the clamping block, so that the clamping block clamps the limit bar under the action of the spring, thereby making the mounting column more stable when aligned and fixed, solving the problem of the prior art that when in use, the bolt holes between the mounting columns need to be aligned and fixed before being fixed with bolts, which results in a long time and reduces the work efficiency.

[0013] Through the cooperation of the pull rod, the return spring and the plug block, when installing the guardrail, the installation block is inserted into the outer wall of the installation column, so that the plug block will fix the installation block under the action of the return spring, and when disassembling, the pull rod is pulled to drive the plug block to squeeze the return spring, so that the plug block is moved out of the installation block and the guardrail is disassembled, making it more convenient during installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the central mounting column, pedals and guardrails;

[0017] Figure 4 for Figure 1 Structural diagram of the middle mounting column, bent plate and bracket;

[0018] Figure 5 for Figure 1 Schematic diagram of the structure of the middle guardrail, pedals and mounting blocks.

[0019] In the figure: 1. mounting column, 2. pedal, 3. guardrail, 4. clamping plate, 5. fixing plate, 6. mounting block, 7. limiting strip, 8. bending plate, 9. return spring, 10. anti-slip pad, 11. bayonet pin, 12. spring, 13. clamping block, 14. pull rod, 15. plug-in block. DETAILED DESCRIPTION

[0020] 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.

[0021] However, in actual use, when the ladder is connected by using fixing bolts, it is necessary to align the mounting columns and then fix them with bolts, which increases the working time and reduces the working efficiency.

[0022] In view of this, the utility model provides a detachable combined ladder for a pipe jacking shaft, which solves the problem that when the ladder is connected by using fixing bolts in actual use, the mounting columns need to be aligned and then fixed with bolts, which increases the working time and thus reduces the working efficiency.

[0023] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0024] Embodiment 1: Figure 1-5 It can be known that a detachable combined ladder for a pipe jacking well comprises a mounting column 1, a pedal 2 is fixedly connected to the outer wall of the mounting column 1, a guardrail 3 is installed on the outer wall of the mounting column 1, and the guardrail 3 is used to protect the climbing workers, and a fixed structure is installed at the bottom of the mounting column 1, and the fixed structure comprises a limit bar 7, a spring 12 and a clamping block 13, the top of the limit bar 7 is fixedly connected to the bottom of the mounting column 1, the outer wall of the limit bar 7 is plugged into the top of the mounting column 1, the outer wall of the limit bar 7 is fitted with a clamping block 13, the outer wall of the clamping block 13 is slidably clamped to the inner wall of the mounting column 1, the outer wall of the clamping block 13 is fixedly connected to the spring 12, and the outer wall of the spring 12 is fixedly connected to the inner wall of the mounting column 1, and the limit bar 7 is fixed by squeezing the clamping block 13 by the spring 12, thereby speeding up the installation speed;

[0025] In the specific implementation process, it is worth pointing out that, with the cooperation of the limit bar 7, the spring 12 and the clamping block 13, the limit bar 7 is inserted into the top of the mounting column 1, so that the clamping block 13 clamps the limit bar 7 under the action of the spring 12, thereby making the mounting column 1 more stable when aligned and fixed;

[0026] Furthermore, a bent plate 8 is fixedly connected to the bottom of the mounting column 1, and a fixing plate 5 is fixedly connected to one side of the top of the bent plate 8 by bolts. The bent plate 8 is clamped on the inner wall of the clamping plate 4 to make it more stable when fixed. The outer wall of the fixing plate 5 is fixedly connected to one side of the top of the mounting column 1, and the inner wall of the bent plate 8 is plugged with the clamping plate 4, and the outer wall of the clamping plate 4 is fixedly connected to the other side of the top of the mounting column 1.

[0027] In the specific implementation process, it is worth pointing out that, with the cooperation of the bent plate 8, the clamping plate 4 and the fixing plate 5, after the limit strip 7 is inserted into the bottom of the mounting column 1, the clamping plate 4 is inserted into the outer wall of the bent plate 8, and the bent plate 8 and the fixing plate 5 are fixed with bolts;

[0028] Furthermore, the outer wall of the guardrail 3 is fixedly connected with a mounting block 6, and the outer wall of the mounting block 6 is plugged into the inner wall of the mounting column 1;

[0029] In the specific implementation process, it is worth pointing out that, with the cooperation of the mounting block 6 and the guardrail 3, when installing the guardrail 3, the mounting block 6 is inserted into the inner wall of the mounting column 1, thereby fixing the guardrail 3;

[0030] Specifically, when using the detachable combined ladder for the jacking pipe well, the limit bar 7 at the bottom of the mounting column 1 is inserted into the top of the mounting column 1, and the limit bar 7 is fixed by squeezing the clamping block 13 by the spring 12. After the limit bar 7 is inserted into the mounting column 1, the bent plate 8 and the fixing plate 5 are fixed with bolts to make them more stable when fixed. When installing the guardrail 3, the mounting block 6 is inserted into the inner wall of the mounting column 1, thereby improving work efficiency.

[0031] Embodiment 2: By Figure 1-5 It can be seen that the inner wall of the mounting column 1 is fixedly connected with a return spring 9, the outer wall of the return spring 9 is fixedly connected with an insert block 15, the inner wall of the return spring 9 is plugged with a pull rod 14, the outer wall of the pull rod 14 is fixedly connected to the outer wall of the insert block 15, the outer wall of the insert block 15 is movably connected to the inner wall of the mounting column 1, and one end of the insert block 15 extending to the inside of the mounting column 1 is attached to the outer wall of the mounting block 6;

[0032] In the specific implementation process, it is worth pointing out that, under the cooperation of the pull rod 14, the insert block 15 and the mounting block 6, the reset spring 9 is used to squeeze the insert block 15, so as to fix the mounting block 6, and when disassembling, the pull rod 14 is pulled to drive the insert block 15 to move out of the mounting block 6, so as to quickly disassemble the guardrail 3;

[0033] Furthermore, an anti-skid pad 10 is installed on the top of the pedal 2, and a bayonet 11 is fixedly connected to the bottom of the anti-skid pad 10, and the outer wall of the bayonet 11 is clamped to the inner wall of the pedal 2;

[0034] In the specific implementation process, it is worth pointing out that, with the cooperation of the anti-skid pad 10 and the bayonet 11, the anti-skid pad 10 is installed on the top of the pedal 2 by using the bayonet 11, and it is more convenient to replace it;

[0035] Specifically, on the basis of the above embodiment, after the ladder is installed, a guardrail 3 is installed on its outer wall to make it more convenient to use, and when disassembling, the guardrail 3 can be quickly removed by simply pulling the pull rod 14.

[0036] 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 sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] 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 detachable combined ladder for a pipe jacking well, comprising a mounting column (1), characterized in that: The outer wall of the mounting column (1) is fixedly connected with a pedal (2), the outer wall of the mounting column (1) is installed with a guardrail (3), and the bottom of the mounting column (1) is installed with a fixed structure; The fixing structure comprises a limiting strip (7), a spring (12) and a clamping block (13); The top of the limit strip (7) is fixedly connected to the bottom of the mounting column (1), the outer wall of the limit strip (7) is plugged into the top of the mounting column (1), the outer wall of the limit strip (7) is fitted with a clamping block (13), the outer wall of the clamping block (13) is slidably clamped to the inner wall of the mounting column (1), the outer wall of the clamping block (13) is fixedly connected to a spring (12), and the outer wall of the spring (12) is fixedly connected to the inner wall of the mounting column (1).

2. A detachable combined ladder for a pipe jacking shaft according to claim 1, characterized in that: The bottom of the mounting column (1) is fixedly connected to a bent plate (8), one side of the top of the bent plate (8) is fixedly connected to a fixing plate (5) via bolts, the outer wall of the fixing plate (5) is fixedly connected to one side of the top of the mounting column (1), the inner wall of the bent plate (8) is plugged with a clamping plate (4), and the outer wall of the clamping plate (4) is fixedly connected to the other side of the top of the mounting column (1).

3. The detachable combined ladder for a pipe jacking well according to claim 1, characterized in that: The outer wall of the guardrail (3) is fixedly connected to a mounting block (6), and the outer wall of the mounting block (6) is plugged into the inner wall of the mounting column (1).

4. The detachable combined ladder for a pipe jacking shaft according to claim 1, characterized in that: The inner wall of the mounting column (1) is fixedly connected to a return spring (9), the outer wall of the return spring (9) is fixedly connected to an insert block (15), the inner wall of the return spring (9) is inserted with a pull rod (14), the outer wall of the pull rod (14) is fixedly connected to the outer wall of the insert block (15), the outer wall of the insert block (15) is movably connected to the inner wall of the mounting column (1), and one end of the insert block (15) extending to the inside of the mounting column (1) is attached to the outer wall of the mounting block (6).

5. The detachable combined ladder for a pipe jacking shaft according to claim 1, characterized in that: An anti-skid pad (10) is installed on the top of the pedal (2), and a bayonet (11) is fixedly connected to the bottom of the anti-skid pad (10), and the outer wall of the bayonet (11) is bayoneted to the inner wall of the pedal (2).

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