CN214660291U

CN214660291U - Tunnel excavation construction rack

Info

Publication number: CN214660291U
Application number: CN202121139667.1U
Authority: CN
Inventors: 张明珠; 李三林; 赵敏; 赵军; 杜金峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-09
Anticipated expiration: 2031-05-26

Abstract

The utility model provides a tunnel excavation construction rack, including moving the frame, moving the top of frame and being equipped with the scaffold, the top of scaffold is equipped with standing groove, is equipped with the atress board directly over the scaffold, the outer bottom of atress board is equipped with a plurality of atress poles along circumference interval, and each atress pole sets up along vertical direction and the lower extreme is connected with the scaffold; the outer top of the stress plate is connected with a protection plate through a buffer mechanism, the top of the protection plate is provided with an arc-shaped groove, and a buffer pad is arranged in the arc-shaped groove; the utility model discloses simple structure, compactness can protect the constructor of standing on the rack, can collect the falling rocks simultaneously, avoids the falling rocks to injure the workman on rack next door by a crashing object, and the security is higher.

Description

Tunnel excavation construction rack

Technical Field

The utility model relates to a construction rack specifically is a tunnel excavation construction rack.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel.

In the tunnel excavation process, a construction rack needs to be arranged in the tunnel so as to facilitate the propulsion of excavation operation. The current construction rack, in order to prevent that falling stone from pounding the workman of hindering the stand on the rack, generally can set up the arch guard plate. In the using process, the arched protection plate can protect workers standing on the rack, but rocks falling on the arched protection plate easily roll off to injure the workers beside the rack, and the safety is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel excavation construction rack to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a tunnel excavation construction rack comprises a moving rack, wherein a construction table is arranged at the top of the moving rack, a standing groove is formed in the top of the construction table, a stress plate is arranged right above the construction table, a plurality of stress rods are arranged at the outer bottom of the stress plate at intervals along the circumferential direction, each stress rod is arranged along the vertical direction, and the lower end of each stress rod is connected with the construction table; the outer top of the stress plate is connected with a protection plate through a buffer mechanism, the top of the protection plate is provided with an arc-shaped groove, and a buffer cushion is arranged in the arc-shaped groove.

As a further aspect of the present invention: the movable frame comprises a plurality of adjusting rods which are arranged at the outer bottom of the construction platform in parallel at intervals, and movable wheels are arranged at the lower ends of the adjusting rods.

As a further aspect of the present invention: the adjusting rod consists of a telescopic rod arranged at the outer bottom of the construction platform, a supporting cylinder movably sleeved on the telescopic rod, a limiting pin arranged at the near end part of the upper end of the supporting cylinder, and a plurality of adjusting holes which are arranged on the telescopic rod at intervals along the vertical direction and are matched with the limiting pin; the moving wheel is arranged at the lower end of the supporting cylinder.

As a further aspect of the present invention: the buffer mechanism comprises a plurality of connecting rods which are arranged on the outer top of the stress plate in parallel at intervals, sliding blocks are arranged at the upper ends of the connecting rods, sliding cavities which correspond to the sliding blocks one by one are arranged on the protection plate, and buffer springs are arranged in the sliding cavities at the upper ends of the sliding blocks.

As a further aspect of the present invention: the lower end of the sliding cavity is arranged in an open mode, the bottom of the protection plate is connected with a sealing cover matched with the sliding cavity through a screw, and the connecting rod movably penetrates through the sealing cover in the vertical direction.

As a further aspect of the present invention: the outer top of atress board is equipped with a plurality of cushion rubber pads, and the upper end and the guard plate of each cushion rubber pad are connected.

Compared with the prior art, the beneficial effects of the utility model are that:

by adopting the structure, the utility model, through the cooperation of the stress plate, the stress rod, the buffer mechanism, the protection plate, the arc-shaped groove and the buffer pad, rocks falling on the protection plate can enter the arc-shaped groove, and the falling rocks are collected, so that the rocks are prevented from rolling down to injure constructors beside the rack; and, after the rock dropped to the arc recess in, the accessible blotter preliminary cushions, and rethread buffer gear further cushions, reduces the impact force degree of rock in proper order, guarantees the life of device. The utility model discloses simple structure, compactness can protect the constructor of standing on the rack, can collect the falling rocks simultaneously, avoids the falling rocks to injure the workman on rack next door by a crashing object, and the security is higher.

Drawings

Fig. 1 is a schematic structural view of a tunnel excavation construction rack.

Fig. 2 is a schematic structural view of the inside of a tunnel excavation construction bed.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a movable frame; 101. adjusting a rod; 1011. a telescopic rod; 1012. a support cylinder; 1013. a spacing pin; 1014. an adjustment hole; 102. a moving wheel; 2. a construction table; 3. standing the groove; 4. a stress plate; 5. a stress beam; 6. a buffer mechanism; 601. a connecting rod; 602. a slider; 603. a slide chamber; 604. a buffer spring; 605. sealing the cover; 7. a protection plate; 8. an arc-shaped groove; 9. a cushion pad; 10. and a cushion rubber pad.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a tunnel excavation construction rack comprises a moving frame 1, wherein a construction table 2 is arranged at the top of the moving frame 1, a standing groove 3 is arranged at the top of the construction table 2, workers can stand on the construction table 2 conveniently, a stress plate 4 is arranged right above the construction table 2, a plurality of stress rods 5 are arranged at intervals along the circumferential direction at the outer bottom of the stress plate 4, each stress rod 5 is arranged along the vertical direction, and the lower end of each stress rod 5 is connected with the construction table 2; the outer top of the stress plate 4 is connected with a protection plate 7 through a buffer mechanism 6, the top of the protection plate 7 is provided with an arc-shaped groove 8, and a buffer pad 9 is arranged in the arc-shaped groove 8. Through the matching of the stress plate 4, the stress rod 5, the buffer mechanism 6, the protection plate 7, the arc-shaped groove 8 and the buffer pad 9, rocks falling on the protection plate 7 can enter the arc-shaped groove 8 to collect falling rocks, and the rocks are prevented from rolling down to damage constructors beside the rack; and, after the rock dropped to arc recess 8 in, accessible blotter 9 carried out preliminary buffering, and rethread buffer gear 6 further cushions, reduces the impact force degree of rock in proper order, guarantees the life of device.

The moving frame 1 comprises a plurality of adjusting rods 101 which are arranged at the outer bottom of the construction platform 2 in parallel at intervals, and moving wheels 102 are arranged at the lower ends of the adjusting rods 101, so that the device can be moved in the tunnel conveniently.

Further, the adjusting rod 101 is composed of an expansion link 1011 arranged at the outer bottom of the construction platform 2, a supporting cylinder 1012 movably sleeved on the expansion link 1011, a limit pin 1013 arranged at the upper end proximal end of the supporting cylinder 1012, and a plurality of adjusting holes 1014 arranged on the expansion link 1011 at intervals along the vertical direction and matched with the limit pin 1013; the moving wheel 102 is arranged at the lower end of the supporting cylinder 1012, has a simple structure, can adjust the height of the construction platform 2, and is convenient to use.

Specifically, the buffer mechanism 6 includes a plurality of connecting rods 601 arranged in parallel and at intervals on the outer top of the force-bearing plate 4, a sliding block 602 is arranged at the upper end of each connecting rod 601, a sliding cavity 603 corresponding to each sliding block 602 one by one is arranged on the protection plate 7, and a buffer spring 604 is arranged in the sliding cavity 603 at the upper end of each sliding block 602. Through the mutual cooperation of connecting rod 601, slider 602, sliding chamber 603 and buffer spring 604, can reduce the impact dynamics of rock, avoid the device to damage.

Furthermore, the lower end of the sliding cavity 603 is open, the bottom of the protection plate 7 is connected with a sealing cover 605 matched with the sliding cavity 603 through screws, and the connecting rod 601 movably penetrates through the sealing cover 605 along the vertical direction, so that components in the sliding cavity 603 can be conveniently installed, overhauled or replaced.

In addition, the outer top of atress board 4 is equipped with a plurality of cushion rubber pads 10, and the upper end and the guard plate 7 of each cushion rubber pad 10 are connected, can avoid the impact force too big to make guard plate 7 and atress board 4 bump.

The utility model discloses a theory of operation is: when the tunnel is used, a constructor stands in the standing groove 3 to construct the tunnel. When the rock that drops, the constructor of standing on the rack is protected to accessible guard plate 7. Rock that drops on guard plate 7 can get into arc recess 8 in, avoid the rock to roll and smash the constructor who injures rack next door. And, after the rock dropped to arc recess 8 in, accessible blotter 9 carried out preliminary buffering, and rethread buffer gear 6 further cushions, reduces the impact force degree of rock in proper order, guarantees the life of device.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The tunnel excavation construction rack comprises a moving rack (1) and is characterized in that a construction table (2) is arranged at the top of the moving rack (1), a standing groove (3) is formed in the top of the construction table (2), a stress plate (4) is arranged right above the construction table (2), a plurality of stress rods (5) are arranged at the outer bottom of the stress plate (4) at intervals along the circumferential direction, each stress rod (5) is arranged along the vertical direction, and the lower end of each stress rod is connected with the construction table (2); the outer top of the stress plate (4) is connected with a protection plate (7) through a buffer mechanism (6), the top of the protection plate (7) is provided with an arc-shaped groove (8), and a buffer pad (9) is arranged in the arc-shaped groove (8).

2. A tunnel excavation construction bench according to claim 1, characterized in that the moving frame (1) comprises a plurality of adjusting rods (101) arranged in parallel and at intervals at the outer bottom of the construction table (2), and moving wheels (102) are provided at the lower ends of the adjusting rods (101).

3. The tunnel excavation construction rack of claim 2, wherein the adjusting rod (101) is composed of an expansion link (1011) arranged at the outer bottom of the construction platform (2), a supporting cylinder (1012) movably sleeved on the expansion link (1011), a limiting pin (1013) arranged at the proximal end of the upper end of the supporting cylinder (1012), and a plurality of adjusting holes (1014) arranged on the expansion link (1011) at intervals along the vertical direction and matched with the limiting pin (1013); the moving wheel (102) is arranged at the lower end of the supporting cylinder (1012).

4. The tunnel excavation construction rack of claim 1, wherein the buffer mechanism (6) comprises a plurality of connecting rods (601) which are arranged at the outer top of the stress plate (4) in parallel and at intervals, a sliding block (602) is arranged at the upper end of each connecting rod (601), a sliding cavity (603) corresponding to each sliding block (602) in one-to-one mode is arranged on the protection plate (7), and a buffer spring (604) is arranged in the sliding cavity (603) at the upper end of each sliding block (602).

5. The tunnel excavation construction rack of claim 4, wherein the lower end of the sliding cavity (603) is open, a sealing cover (605) matched with the sliding cavity (603) is connected to the bottom of the protection plate (7) through screws, and the connecting rod (601) movably penetrates through the sealing cover (605) in the vertical direction.

6. The tunnel excavation construction rack of claim 1, wherein the outer top of the stress plate (4) is provided with a plurality of cushion rubber pads (10), and the upper ends of the cushion rubber pads (10) are connected with the protection plate (7).