Hydraulic jack for roadway

Abstract

The hydraulic jack for the roadway comprises a cylinder body, one side of a clamping block is fixedly connected with the outer side of the cylinder body, the outer side of the clamping block is movably connected with a positioning block attached to the outer side of the cylinder body, and one side of the positioning block is fixedly connected with a protection plate. The outer side of the protection plate is fixedly connected with one side of a clamping block and one side of a positioning block through first bolts. The utility model relates to the technical field of jacks, realizes protection on the outer side of a cylinder body through matching among the cylinder body, a positioning block and a first bolt, prevents the outer side of the cylinder body from being deformed and damaged to influence normal support, and solves the problems that an existing jack is poor in protection effect on the side surface of the cylinder body, and the inner environment of a roadway is complicated, so that normal support is influenced. And if the outer side of the cylinder body is damaged due to external impact, normal support is influenced, and the safety is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of jacks, in particular to a water pressure jack for a tunnel. Background Art

[0002] A jack is a light and small lifting device that uses a rigid lifting piece as a working device to lift heavy objects through a small stroke of the top support or the bottom claw. Jacks are mainly used in factories, mines, transportation and other departments for vehicle repairs and other lifting and supporting work. Its structure is light and strong, flexible and reliable, and can be carried and operated by one person. Jacks are also needed for support in the tunnels of mining areas, so a tunnel hydraulic jack is provided.

[0003] Existing jacks are usually used in conjunction with brackets when used in mining areas. After the jacks are installed on the brackets, the top and sides of the tunnel are supported without affecting the normal operation of the coal plow.

[0004] However, the existing jacks have poor protection effect on the side of the cylinder body. Due to the complex internal environment of the tunnel, if an external impact causes damage to the outer side of the cylinder body, normal support will be affected, and safety will be reduced. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a water pressure jack for a tunnel, which solves the problem that the existing jacks have poor protection effect on the sides of the cylinder body. Due to the complex internal environment of the tunnel, if an external impact occurs, the outer side of the cylinder body will be damaged, affecting normal support and reducing safety.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a tunnel water hydraulic jack, including a cylinder body, an output end is installed above the cylinder body, a protection mechanism is arranged on the outer side of the cylinder body, the protection mechanism includes a clamping block, a positioning block, a guard plate and a first bolt, one side of the clamping block is fixedly connected to the outer side of the cylinder body, the outer side of the clamping block is movably connected to a positioning block that fits the outer side of the cylinder body, one side of the positioning block is fixedly connected to a guard plate, and the outer side of the guard plate is fixedly connected to the clamping block and one side of the positioning block by a first bolt.

[0007] Preferably, a sheath is glued to the top end surface of the cylinder body, the upper inner side of the sheath is glued to the outer side of the output end, and a plurality of elastic layers are installed on the inner side of the sheath.

[0008] Preferably, a second connecting end is installed at the bottom of the cylinder body, and a second connecting hole is processed on the inner side of the second connecting end.

[0009] Preferably, a circular plate is attached to the end of the output end, a first connecting end is installed on the top of the circular plate, and a first connecting hole is processed on the inner side of the first connecting end.

[0010] Preferably, the end of the output end is processed with a first threaded hole and a second threaded hole, both sides of the circular plate are threadedly connected to a second bolt threadedly connected to the inner side of the first threaded hole, and the bottom of the circular plate is fixedly connected to a stud threadedly connected to the inner side of the second threaded hole.

[0011] The utility model has the following beneficial effects: the tunnel water pressure jack realizes the protection of the outer side of the cylinder body through the cooperation between the cylinder body, the positioning block and the first bolt, thereby avoiding deformation and damage of the outer side of the cylinder body that affects normal support, and solves the problem that the existing jack has poor protection effect on the side of the cylinder body. Due to the complex internal environment of the tunnel, if the outer side of the cylinder body is damaged by external impact, it affects the normal support and reduces the safety.

[0012] The disassembly of the connection end is achieved through the cooperation between the output end, the second threaded hole and the first connection end. The user can assemble different types of connection ends according to needs, or replace damaged connection ends, and the stability of the connection end is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic diagram of the structure of the middle cylinder body, the positioning block and the first bolt;

[0015] Figure 3 for Figure 1 Schematic diagram of the structure of the middle sheath, elastic layer and output end;

[0016] Figure 4 for Figure 1 Schematic diagram of the structure of the output end, the second threaded hole and the first connecting end.

[0017] In the figure: 1, cylinder body, 2, clamping block, 3, positioning block, 4, guard plate, 5, first bolt, 6, sleeve, 7, elastic layer, 8, output end, 9, first threaded hole, 10, second threaded hole, 11, stud, 12, round plate, 13, second bolt, 14, first connecting end, 15, first connecting hole, 16, second connecting end, 17, second connecting hole. DETAILED DESCRIPTION

[0018] 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.

[0019] The existing jack has poor protection effect on the side of the cylinder body. Due to the complex internal environment of the tunnel, if there is an external impact, the damage to the outer side of the cylinder body will affect the normal support and reduce the safety.

[0020] In view of this, a tunnel hydraulic jack is provided. Through the cooperation between the cylinder body, positioning blocks and bolts, the outside of the cylinder body is protected to prevent deformation and damage on the outside of the cylinder body that affects normal support. The problem that the existing jack has poor protection effect on the side of the cylinder body and the complex internal environment of the tunnel, if the outside of the cylinder body is damaged by external impact, it will affect the normal support and reduce safety.

[0021] 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.

[0022] Embodiment 1: Figure 1-3 It can be seen that a tunnel hydraulic jack includes a cylinder body 1, an output end 8 is installed above the cylinder body 1, and the output end 8 can be telescopically supported. A protection mechanism is arranged on the outer side of the cylinder body 1, and the protection mechanism includes a clamping block 2, a positioning block 3, a guard plate 4 and a first bolt 5. One side of the clamping block 2 is fixedly connected to the outer side of the cylinder body 1, and the outer side of the clamping block 2 is movably connected to the positioning block 3 that fits the outer side of the cylinder body 1. The positioning block 3 can move on the outer side of the clamping block 2, and a guard plate 4 is fixedly connected to one side of the positioning block 3. The outer side of the guard plate 4 is fixedly connected to the clamping block 2 and one side of the positioning block 3 through the first bolt 5;

[0023] In the specific implementation process, it is worth pointing out that the outer side of the cylinder body 1 is protected by the cooperation between the positioning block 3, the guard plate 4 and the first bolt 5, so as to avoid deformation and damage of the outer side of the cylinder body 1 affecting normal support, and solve the problem that the existing jack has poor protection effect on the side of the cylinder body 1. Due to the complex internal environment of the tunnel, if the outer side of the cylinder body is damaged by external impact, the normal support is affected and the safety is reduced;

[0024] Furthermore, a sheath 6 is glued to the top end surface of the cylinder body 1, the upper inner side of the sheath 6 is glued to the outer side of the output end 8, and a plurality of elastic layers 7 are installed on the inner side of the sheath 6;

[0025] In the specific implementation process, it is worth pointing out that the sheath 6 can protect the telescopic position of the cylinder body 1 and the output end 8, and achieve sealing. The elastic layer 7 does not affect the telescopic position of the output end 8, and excessive pulling of the sheath 6 is avoided;

[0026] Specifically, when using the tunnel hydraulic jack, the user can clamp the positioning blocks 3 on the two guard plates 4 to the outer side of the clamping block 2 for positioning, and then use the first bolt 5 to fix it. The guard plates 4 can protect the outer side of the cylinder body 1.

[0027] Embodiment 2: By Figure 1 and 4 It can be seen that a second connection end 16 is installed at the bottom of the cylinder body 1, and a second connection hole 17 is processed inside the second connection end 16;

[0028] In the specific implementation process, it is worth pointing out that the second connection hole 17 on the second connection end 16 can be connected to an external bracket;

[0029] Furthermore, a circular plate 12 is attached to the end of the output end 8, a first connecting end 14 is installed on the top of the circular plate 12, and a first connecting hole 15 is processed inside the first connecting end 14;

[0030] In the specific implementation process, it is worth pointing out that the first connection hole 15 on the first connection end 14 can be connected to an external bracket;

[0031] Furthermore, the end of the output end 8 is processed with a first threaded hole 9 and a second threaded hole 10, and both sides of the circular plate 12 are threadedly connected with a second bolt 13 threadedly connected to the inner side of the first threaded hole 9, and the bottom of the circular plate 12 is fixedly connected with a stud 11 threadedly connected to the inner side of the second threaded hole 10;

[0032] In the specific implementation process, it is worth pointing out that the stud 11 can be screwed into the second threaded hole 10 for fixing. After being screwed in, the first threaded hole 9 corresponds to the position of the second bolt 13, and the second bolt 13 is used to fix it again, thereby ensuring the stability of the first connection end 14.

[0033] Specifically, based on the above-mentioned embodiment 1, the disassembly of the connection end is achieved through the cooperation between the output end 8, the second threaded hole 10 and the first connection end 14. The user can assemble different types of connection ends according to needs, or replace the damaged connection end, and the stability of the connection end is ensured.

[0034] 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".

[0035] 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.

[0036] 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 hydraulic jack, comprising a cylinder (1), characterized in that: An output end (8) is installed above the cylinder body (1), and a protective mechanism is provided on the outside of the cylinder body (1); The protection mechanism comprises a clamping block (2), a positioning block (3), a guard plate (4) and a first bolt (5); One side of the clamping block (2) is fixedly connected to the outer side of the cylinder body (1); the outer side of the clamping block (2) is movably connected to a positioning block (3) that fits the outer side of the cylinder body (1); one side of the positioning block (3) is fixedly connected to a guard plate (4); the outer side of the guard plate (4) is fixedly connected to the clamping block (2) and one side of the positioning block (3) via a first bolt (5).

2. A tunnel hydraulic jack according to claim 1, characterized in that: A protective sleeve (6) is glued to the top end surface of the cylinder body (1), the upper inner side of the protective sleeve (6) is glued to the outer side of the output end (8), and a plurality of elastic layers (7) are installed on the inner side of the protective sleeve (6).

3. A tunnel hydraulic jack according to claim 1, characterized in that: A second connecting end (16) is installed at the bottom of the cylinder body (1), and a second connecting hole (17) is processed inside the second connecting end (16).

4. A tunnel hydraulic jack according to claim 3, characterized in that: A circular plate (12) is attached to the end of the output end (8), a first connecting end (14) is mounted on the top of the circular plate (12), and a first connecting hole (15) is machined on the inner side of the first connecting end (14).

5. A tunnel hydraulic jack according to claim 4, characterized in that: The end of the output end (8) is processed with a first threaded hole (9) and a second threaded hole (10), both sides of the circular plate (12) are threadedly connected to a second bolt (13) threadedly connected to the inner side of the first threaded hole (9), and the bottom of the circular plate (12) is fixedly connected to a stud (11) threadedly connected to the inner side of the second threaded hole (10).

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