Pipe jacking machine with protection function and used for early-stage supporting of tunnel

Abstract

The utility model relates to the technical field of tunnel construction, in particular to a pipe jacking machine with a protection function and used for early-stage supporting of a tunnel, and solves the problems that in the prior art, as the top of the pipe jacking machine is lack of effective protection measures, once falling rocks and other sundries fall, the pipe jacking machine is possibly damaged, and even equipment failures are caused in serious situations. The construction progress is affected, the maintenance cost is increased, and the safety of constructors can be threatened. A pipe jacking machine with a protection function and used for early-stage supporting of a tunnel comprises a pipe jacking machine body and a top plate, and the top plate is arranged at the top of the pipe jacking machine body; connecting frames are arranged on the two sides of the bottom of the top plate. The top plate and the elastic supporting piece can be conveniently matched to elastically protect the top position of the pipe jacking machine, falling rocks in a tunnel are shielded, the pipe jacking machine is prevented from being damaged by the falling rocks, and the construction progress and the safety of equipment and personnel are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a pipe jacking machine with a protective function for early stage support of a tunnel. Background Art

[0002] In the process of tunnel construction, pipe jacking machine is a key equipment, and its role is to carry out tunnel excavation and support work. However, in the existing technology, pipe jacking machine is easily damaged by debris such as falling rocks in the tunnel during operation, which not only affects the construction progress, but also may cause damage to the equipment and even threaten the life safety of construction workers. In tunnel construction, the top of the pipe jacking machine is the part most vulnerable to impact by falling rocks and other debris.

[0003] Due to the lack of effective protective measures on the top of the pipe jacking machine, once debris such as fallen rocks fall, it is likely to cause damage to the pipe jacking machine. In serious cases, it may even cause equipment failure, affect construction progress, increase maintenance costs, and pose a threat to the safety of construction workers. Utility Model Content

[0004] The purpose of the utility model is to provide a pipe jacking machine with a protective function for early support of a tunnel, which solves the problem in the prior art that due to the lack of effective protective measures on the top of the pipe jacking machine, once debris such as fallen rocks fall, the pipe jacking machine is likely to be damaged, and in serious cases it may even cause equipment failure, affecting the construction progress, increasing maintenance costs, and possibly posing a threat to the safety of construction personnel.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pipe jacking machine with a protective function for early tunnel support, comprising a pipe jacking machine and a top plate, wherein the top plate is arranged at the top of the pipe jacking machine;

[0007] Connecting frames are provided on both sides of the bottom of the top plate, supporting frames are connected to both sides of the bottom of the connecting frames, and a horizontal plate is provided between the two connecting frames;

[0008] Lifting components are arranged on both sides of the bottom of the transverse plate, and an elastic supporting piece connected with the bottom of the top plate is arranged at the center of the top of the transverse plate.

[0009] Preferably, both ends of the transverse plate are fixedly connected to the side walls of the two connecting frames respectively.

[0010] Preferably, the top end of the support frame is connected to the bottom of the top plate, and the bottom end is connected to a positioning plate connected to the side wall of the pipe jacking machine.

[0011] Preferably, two symmetrically arranged guide rods are connected to both sides of the bottom of the top plate, and a through hole matching the guide rod is opened on the top of each support frame.

[0012] Preferably, the lifting assembly includes a lifting cylinder installed at the bottom of the transverse plate, and the output end of the lifting cylinder is connected to the lifting plate through a sliding sleeve penetrating the transverse plate.

[0013] Preferably, the elastic support member includes a round rod fixedly connected to the bottom center of the top plate, one end of the round rod passes through the cross plate and is connected to the limiting plate via a sliding sleeve, an extrusion spring is provided on the outer ring of the round rod, one end of the extrusion spring is elastically connected to the bottom of the top plate, and the other end is elastically connected to the top of the cross plate, and both sides of the top plate are fixedly connected with inclined side plates.

[0014] The utility model has at least the following beneficial effects:

[0015] By setting up the support frame, cross plate and elastic support parts, it is convenient to achieve elastic protection of the top position of the jacking machine by the top plate and the elastic support parts, shield the falling rocks inside the tunnel, avoid damage to the jacking machine by falling rocks, and ensure the construction progress and the safety of equipment and personnel.

[0016] The utility model also has the following beneficial effects:

[0017] The setting of the cross plate facilitates the connection and cooperation with the top plate. The setting of the positioning plate facilitates the connection and fixation between the support frame and the pipe jacking machine. The setting of the guide rod improves the lifting stability of the top plate. The setting of the lifting cylinder facilitates the lifting of the top plate by the cooperation of the lifting cylinder and the lifting plate when a heavy object is pressed on the top of the top plate. The setting of the round rod and the extrusion spring facilitates the elastic support of the top plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the side panel structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the round rod structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the horizontal plate structure of the utility model.

[0023] In the figure: 1. support frame; 2. top plate; 3. side plate; 4. extrusion spring; 5. round rod; 6. limit plate; 7. guide rod; 8. lifting cylinder; 9. through hole; 10. lifting plate; 11. cross plate; 12. connecting frame. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] Reference Figure 1-4 , a pipe jacking machine with a protective function for early tunnel support, comprising a pipe jacking machine and a top plate 2, wherein the top plate 2 is arranged at the top position of the pipe jacking machine;

[0026] Connecting frames 12 are provided on both sides of the bottom of the top plate 2, and supporting frames 1 are connected to both sides of the bottom of the connecting frames 12, and a horizontal plate 11 is provided between the two connecting frames 12;

[0027] Lifting assemblies are provided on both sides of the bottom of the transverse plate 11, and an elastic support member connected to the bottom of the top plate 2 is provided at the top center of the transverse plate 11. Specifically, through the arrangement of the support frame 1, the transverse plate 11 and the elastic support member, it is convenient to realize the elastic protection of the top position of the jacking machine by the top plate 2 and the elastic support member, to block the falling rocks inside the tunnel, to prevent the falling rocks from causing damage to the jacking machine, and to ensure the construction progress and the safety of equipment and personnel.

[0028] Furthermore, two ends of the transverse plate 11 are fixedly connected to the side walls of the two connecting frames 12 respectively.

[0029] Furthermore, the top end of the support frame 1 is connected to the bottom of the top plate 2, and the bottom end is connected to a positioning plate connected to the side wall of the pipe jacking machine.

[0030] Furthermore, two symmetrically arranged guide rods 7 are connected to both sides of the bottom of the top plate 2 , and a through hole 9 adapted to the guide rod 7 is formed on the top of each support frame 1 .

[0031] Furthermore, the lifting assembly includes a lifting cylinder 8 installed at the bottom of the transverse plate 11 , and the output end of the lifting cylinder 8 is connected to the lifting plate 10 through a sliding sleeve penetrating the transverse plate 11 .

[0032] Furthermore, the elastic support member includes a round rod 5 fixedly connected to the bottom center of the top plate 2, one end of the round rod 5 passes through the horizontal plate 11 through a sliding sleeve and is connected to the limiting plate 6, the outer ring of the round rod 5 is provided with an extrusion spring 4, one end of the extrusion spring 4 is elastically connected to the bottom of the top plate 2, and the other end is elastically connected to the top of the horizontal plate 11, and both sides of the top plate 2 are fixedly connected with inclined side plates 3.

[0033] To sum up: through the setting of the cross plate 11, it is convenient to connect and cooperate with the top plate 2; through the setting of the positioning plate, it is convenient to realize the connection and fixation between the support frame 1 and the pipe jacking machine; through the setting of the guide rod 7, the lifting stability of the top plate 2 is improved; through the setting of the lifting cylinder 8, it is convenient to realize that when there is a heavy object pressing on the top of the top plate 2, the top plate 2 can be lifted up by the cooperation of the lifting cylinder 8 and the lifting plate 10; through the setting of the round rod 5 and the extrusion spring 4, it is convenient to realize elastic support of the top plate 2.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pipe jacking machine with protective function for early tunnel support, characterized in that: include: A pipe jacking machine and a top plate (2), wherein the top plate (2) is arranged at the top of the pipe jacking machine; Both sides of the bottom of the top plate (2) are provided with connecting frames (12), both sides of the bottom of the connecting frames (12) are connected to the supporting frames (1), and a transverse plate (11) is provided between the two connecting frames (12); Lifting assemblies are provided on both sides of the bottom of the transverse plate (11), and an elastic support member connected to the bottom of the top plate (2) is provided at the center of the top of the transverse plate (11).

2. The pipe jacking machine with protective function for early tunnel support according to claim 1, characterized in that: The two ends of the transverse plate (11) are respectively fixedly connected to the side walls of the two connecting frames (12).

3. The pipe jacking machine with protective function for early tunnel support according to claim 2, characterized in that: The top end of the support frame (1) is connected to the bottom of the top plate (2), and the bottom end is connected to a positioning plate connected to the side wall of the pipe jacking machine.

4. The pipe jacking machine with protective function for early tunnel support according to claim 3 is characterized in that: Two symmetrically arranged guide rods (7) are connected to both sides of the bottom of the top plate (2), and a through hole (9) matching the guide rod (7) is opened on the top of each support frame (1).

5. The pipe jacking machine with protective function for early tunnel support according to claim 1, characterized in that: The lifting assembly comprises a lifting cylinder (8) installed at the bottom of a transverse plate (11), and the output end of the lifting cylinder (8) is connected to the lifting plate (10) through a sliding sleeve penetrating the transverse plate (11).

6. The pipe jacking machine with protective function for early tunnel support according to claim 5, characterized in that: The elastic support member comprises a round rod (5) fixedly connected to the center of the bottom of the top plate (2), one end of the round rod (5) passes through the horizontal plate (11) through a sliding sleeve and is connected to the limit plate (6), the outer ring of the round rod (5) is provided with a compression spring (4), one end of the compression spring (4) is elastically connected to the bottom of the top plate (2), and the other end is elastically connected to the top of the horizontal plate (11), and both sides of the top plate (2) are fixedly connected to the side plates (3) arranged obliquely.

Images