CN217813559U

CN217813559U - Supporting system for tunnel inner wall construction

Info

Publication number: CN217813559U
Application number: CN202221711215.0U
Authority: CN
Inventors: 李波; 赵亮; 姜成业; 毕钛俊; 邓琴; 汤华
Original assignee: Yunnan Communications Investment Group Road Construction Co ltd; Wuhan Institute of Rock and Soil Mechanics of CAS
Current assignee: Yunnan Communications Investment Group Road Construction Co ltd; Wuhan Institute of Rock and Soil Mechanics of CAS
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-11-15
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a braced system for tunnel inner wall construction, including the ceiling, locate the backup pad of its bottom to and ceiling stiffener, blotter, ceiling stiffener one end articulate in the ceiling, the other end with backup pad fixed connection, the bottom is located to the blotter, with backup pad sliding connection, the ceiling includes ceiling body, connecting plate, guide block and electric telescopic handle, connecting plate fixed connection in ceiling body bottom, the latter are used for providing the support for the tunnel top, guide block fixed mounting in on the connecting plate, the connecting plate with the guide block all with backup pad sliding connection, the vertical fixed mounting of electric telescopic handle in the backup pad, its top with the connecting plate contact is connected, has solved braced system and has been difficult to realize the problem that bottom surface protection and lift in-process take place the striking easily to the tunnel.

Description

Supporting system for tunnel inner wall construction

Technical Field

The utility model relates to a construction supports technical field, more specifically relates to a braced system for tunnel inner wall construction.

Background

The tunnel is in the work progress, and support engineering is the most important stage in tunnel construction earlier stage, needs braced system in tunnel construction process, prevents to appear the accident that the tunnel collapses and the earth's surface subsides, and present tunnel construction braced system is supporting the in-process, need all carry out good support protection to side and top surface.

The prior art has the following disadvantages: (1) Although the supporting system can support and protect the top and the side wall of the tunnel, the bottom surface stressed by construction machinery and raw materials is not well protected, so that good buffer protection cannot be provided, and the bottom surface is easily damaged; (2) Although the lifting of the ceiling supporting component can be realized, the installation steps are complex in the adjusting process, extra support is needed in some cases, and the construction efficiency cannot be adjusted quickly and slowly.

SUMMERY OF THE UTILITY MODEL

To the above defect or the improvement demand of prior art, the utility model provides a braced system for tunnel inner wall construction, this system sets up the connecting plate bottom the ceiling, first installation cavity sliding connection in connecting plate and the backup pad simultaneously, still be equipped with baffle and second elastic component bottom first installation cavity, provide the buffering when realizing the lift ceiling, prevent to produce the impact damage to the substructure, it can reduce debris and fall into the danger that takes place the function inefficacy to embed the active structure, be equipped with electric telescopic handle bottom the ceiling, can adjust the ceiling height in a flexible way, adapt to different tunnel heights in a flexible way, be equipped with the blotter simultaneously between the backup pad, the blotter can realize tunnel ground protection, the problem that braced system is difficult to realize bottom surface protection and lift in-process to the tunnel and take place the striking easily has been solved.

In order to achieve the above object, the utility model provides a braced system for tunnel inner wall construction, include:

the ceiling comprises a ceiling, a supporting plate arranged at the bottom of the ceiling, a ceiling reinforcing rod and a buffer cushion, wherein one end of the ceiling reinforcing rod is hinged to the ceiling, the other end of the ceiling reinforcing rod is detachably and fixedly connected with the supporting plate, and the buffer cushion is arranged at the bottom of the supporting plate and is in sliding connection with the supporting plate;

the ceiling comprises a ceiling body, a connecting plate, a guide block and an electric telescopic rod, wherein the connecting plate is fixedly connected to the bottom of the ceiling body, the ceiling body supports the top of the tunnel, the guide block is fixedly installed on the connecting plate, the connecting plate and the guide block are connected with the supporting plate in a sliding mode, the electric telescopic rod is vertically and fixedly installed in the supporting plate, and the top of the electric telescopic rod is in contact connection with the connecting plate.

Furthermore, the supporting plate comprises a first mounting cavity, a guide groove, a baffle plate, a second elastic piece, a second mounting cavity and a universal wheel;

the first installation cavity, the guide groove and the second installation cavity are vertically arranged on the support plate, the bottom of the first installation cavity is communicated with the top of the second installation cavity, the connecting plate is in sliding connection with the first installation cavity, the guide block is in sliding connection with the guide groove, two ends of the second elastic piece are respectively supported and fixed at the bottom of the second installation cavity and the baffle plate, the baffle plate is horizontally arranged in the second installation cavity and is in sliding connection with the second installation cavity, and the baffle plate is in contact with the bottom of the connecting plate;

the electric telescopic rod is fixedly arranged in the second mounting cavity, the top of the electric telescopic rod is a movable end, the movable end extends into the second mounting cavity and penetrates through the baffle plate, and the movable end is connected with the baffle plate in a sliding manner;

the universal wheel is fixedly arranged at the bottom of the supporting plate.

Furthermore, the supporting plate comprises height adjusting holes formed in the inner side face of the supporting plate, and the bottom end of the ceiling reinforcing rod is connected with the height adjusting holes.

Furthermore, the ceiling reinforcing rod comprises a connecting rod, a fixed support and a fixed hole, two ends of the connecting rod are respectively hinged to the ceiling body and the fixed support, the fixed hole corresponds to the height adjusting hole, and the fixed support is fixed to the supporting plate through the fixed hole and the height adjusting hole through bolts.

Further, the ceiling comprises a horizontal reinforcing plate, and the horizontal reinforcing plate is horizontally and fixedly installed on the ceiling body.

Furthermore, the buffer pad comprises a first bottom plate and a second bottom plate which are horizontally arranged, and a first elastic piece which is vertically arranged, wherein the bottom of the first elastic piece is fixedly connected with the second bottom plate, and the top of the first elastic piece is fixedly connected with the first bottom plate.

Further, the first bottom plate includes lateral sliding groove and elasticity stop member, elasticity stop member with lateral sliding groove sliding connection, the backup pad is including locating the stop member spout of medial surface, elasticity stop member with stop member spout sliding connection.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1. the utility model provides a braced system for tunnel inner wall construction, through set up the connecting plate bottom the ceiling, first installation cavity sliding connection in connecting plate and the backup pad simultaneously, still be equipped with baffle and second elastic component bottom first installation cavity, provide the buffering when realizing the lift ceiling, prevent to produce the impact damage to the substructure, it can reduce debris and fall into the danger that takes place the function inefficacy to embed the active structure, be equipped with electric telescopic handle bottom the ceiling, can adjust the ceiling height in a flexible way, adapt to different tunnel height in a flexible way, be equipped with the blotter simultaneously between the backup pad, the blotter can realize tunnel ground protection, the problem that braced system is difficult to realize bottom surface protection and lift in-process and take place the striking easily to the tunnel has been solved.

2. The utility model provides a braced system for tunnel inner wall construction, adopt the ceiling stiffener, one end articulates in the lower surface of ceiling body, the other end passes through fixing support to be installed on the inboard altitude mixture control hole of backup pad, can remove fixing support and backup pad's connection at the in-process that carries out the ceiling lift, rotate the ceiling stiffener after adjusting required height, fix fixing support again on the altitude mixture control hole that suits with the height can, the function of quick adjustment and fixed stay has been realized, the efficiency is improved, the supporting role to the ceiling has been strengthened simultaneously.

3. The utility model provides a braced system for tunnel inner wall construction is equipped with a plurality of universal wheels in the bottom of backup pad, can remove braced system's position in a flexible way, does not need extra loading machinery, can lock the universal wheel and prevent that braced system from taking place to slide after removing the assigned position, causes danger to constructor.

Drawings

Fig. 1 is a schematic structural diagram of a tunnel construction supporting system provided by an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure view of a support plate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a ceiling assembly according to an embodiment of the present invention;

fig. 4 is an exploded view of a reinforcement rod assembly provided by an embodiment of the present invention;

fig. 5 is a schematic structural view of the cushion pad according to the embodiment of the present invention.

In all the figures, the same reference numerals denote the same features, in particular: 100-supporting plate, 200-ceiling, 300-ceiling reinforcing rod, 400-buffer cushion, 110-first mounting cavity, 120-guide groove, 130-baffle plate, 131-telescopic rod mounting hole, 140-second elastic piece, 150-second mounting cavity, 160-universal wheel, 170-height adjusting hole, 180-stop piece sliding groove, 210-ceiling body, 220-horizontal reinforcing plate, 230-connecting plate, 231-guide block, 240-electric telescopic rod, 310-connecting rod, 320-fixed support, 322-fixed hole, 321-fixed bolt, 410-first bottom plate, 411-side sliding groove, 412-elastic stop piece, 430-first elastic piece and 420-second bottom plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-5, the utility model provides a braced system for tunnel inner wall construction, it includes backup pad 100, ceiling 200, ceiling stiffener 300 and blotter 400, ceiling 200 includes ceiling body 210 and connecting plate 230, wherein, ceiling body 210 locates the braced system top for provide the support for the tunnel top, preferably, ceiling body 210 is half circular structure, and its inside horizontal welding has a plurality of horizontal stiffeners 220, is used for improving the structural strength of ceiling body 210, half circular structure's both ends respectively vertical fixed mounting have connecting plate 230, backup pad 100 is vertical to be equipped with two, respectively with two connecting plate 230 sliding connection, backup pad 100 bottom still fixed mounting has universal wheel 160, conveniently removes this braced system, connecting plate 230 upwards or downward sliding in backup pad 100, reach the function that carries out the body 210 lift, furtherly, ceiling stiffener 300 is equipped with the multiunit ceiling, its one end rotates with ceiling 210 bottom and is connected, the other end rotates with backup pad 100 inboard for providing the support to body 210, after adjusting 200 height and fixing stiffener 300, arrange the middle ceiling in the backup pad 400 in the ceiling, can the cooperation of the middle roof, the tunnel top just can be carried out the cooperation according to the tunnel top, the protection system, the cooperation of the tunnel top, the protection system can be constructed according to the free side.

Further, as shown in fig. 1 to 3, the support plate 100 includes a first mounting cavity 110, a guide groove 120, a baffle 130, a telescopic rod mounting hole 131, a second elastic member 140, a second mounting cavity 150, a universal wheel 160, a height adjusting hole 170, and a stopper sliding groove 180, wherein the first mounting cavity 110 is a vertically arranged drawer-shaped cavity, an opening is located at the top of the first mounting cavity 110, the connecting plate 230 is slidably connected to the first mounting cavity 110, a plurality of second elastic members 140 are fixedly mounted at the bottom of the first mounting cavity 110, the baffle 130 is fixedly supported at the top of the elastic members, when the connecting plate 230 slides to the bottom of the first mounting cavity 110, the connecting plate 230 pushes the baffle 130 to compress the second elastic members 140, and the second elastic members 140 and the baffle 130 are arranged to buffer the rising and falling of the connecting plate 230 and the body 210, and further, the vertical edge of the first mounting cavity 110 is further provided with a guide groove 120, two sides of the connecting plate 230 are correspondingly provided with guide blocks 231, the guide blocks 231 are slidably connected with the guide groove 120 to guide the vertically sliding connecting plate 230, further, the second mounting cavity 150 is vertically arranged at the bottom of the supporting plate 100 and penetrates through the outside and the first mounting cavity 110, an electric telescopic rod 240 is fixedly arranged in the second mounting cavity 150, the top of the electric telescopic rod 240 is a movable end, the movable end penetrates through the supporting plate 100, enters the first mounting cavity 110, penetrates through the baffle 130 and is connected with the bottom of the connecting plate 230, the movable end is respectively slidably connected with the baffle 130 and the supporting plate 100, preferably, a telescopic rod mounting hole 131 for providing a abdication is arranged at a position corresponding to the baffle 130, the electric telescopic rod 240 is started to push upwards, so that the connecting plate 230 can be pushed out from the first mounting cavity 110, and the ceiling 200 is lifted, the supporting system is suitable for the height of the top surface of the tunnel, is convenient to use and saves labor, the universal wheel 160 is arranged under the supporting plate 100 to be convenient to move, and the supporting system is moved to a use place and then the universal wheel 160 is locked.

Further, as shown in fig. 1 to 4, a plurality of sets of ceiling reinforcing rods 300 are crosswise provided, each set of ceiling reinforcing rods 300 includes a connecting rod 310, a fixing support 320, a fixing hole 322, and a fixing bolt 321, one end of each connecting rod 310 is hinged to the inner surface of the ceiling body 210, and the other end of each connecting rod 310 is fixedly connected to the inner side of the corresponding supporting plate 100, so as to provide support for the ceiling 200, further, the fixing support 320 is hinged to the ceiling reinforcing rods 300, a plurality of fixing holes 322 are provided on the fixing support 320, the fixing bolts 321 penetrate through the fixing holes 322 to fixedly mount the fixing support 320 to the inner side of the corresponding supporting plate 100, preferably, height adjusting holes 170 are vertically arranged on the inner side of the corresponding supporting plate 100, correspond to the fixing bolts 321, after the ceiling 200 is raised to a desired height by using the electric telescopic rods 240, the fixing supports the ceiling 200, and supports the top of the tunnel, and the plurality of sets of height adjusting holes 170 can achieve quick fixation, thereby improving the efficiency of lifting and fixation.

Further, as shown in fig. 1, 2, 3 and 5, the buffer pad 400 is disposed between two support plates 100, the bottom of the buffer pad is in direct contact with the ground, the side of the buffer pad is slidably connected with the support plates 100 for protecting the bottom of the tunnel, the buffer pad 400 includes a first bottom plate 410, a side sliding groove 411, an elastic stopper 412, a first elastic member 430 and a second bottom plate 420, wherein the first bottom plate 410 and the second bottom plate 420 are the same in size and are horizontally disposed, a plurality of first elastic members 430 are vertically and fixedly mounted between the two for absorbing energy and providing buffering, further, a side sliding groove 411 is disposed at the side of the first bottom plate 410, in which the elastic stopper 412 is slidably connected, when the elastic stopper 412 protrudes to the side of the first bottom plate 410 under the effect of elastic force, preferably, a stopper sliding groove 180 is disposed at the bottom of the inner side of the support plates 100, the position of the elastic stop part 412 corresponds to the position of the elastic stop part 412, when the first bottom plate 410 moves up and down, the elastic stop part 412 slides up and down in the stop part sliding groove 180 to play a role in limiting the displacement and guiding of the first bottom plate 410 and preventing the first bottom plate from shifting, when the support system is used, the support system is moved to a required position through the universal wheel 160 and the universal wheel 160 is locked, then the electric telescopic rod 240 is started to lift the ceiling 200 to the support position, the ceiling reinforcing rod 300 is fixed to provide support for the ceiling 200, finally the cushion 400 is placed between the two support plates 100, and the stop part sliding groove 180 is matched with the elastic stop part 412 in position, so that the construction in the tunnel can be started, the cushion 400 can prevent the bottom surface of the tunnel from being damaged by heavy objects in the construction process, and all the inner surfaces of the tunnel are supported and protected by the support system.

It will be understood by those skilled in the art that the foregoing is merely exemplary of the present invention, and is not intended to limit the invention to the particular forms disclosed, and all changes, equivalents and modifications that fall within the spirit and scope of the invention are intended to be embraced thereby.

Claims

1. A support system for construction of an inner wall of a tunnel, comprising:

the ceiling reinforcing rod (300) is hinged to the ceiling (200) at one end, the other end of the ceiling reinforcing rod is detachably and fixedly connected with the supporting plate (100), and the buffer cushion (400) is arranged at the bottom of the supporting plate (100) and is in sliding connection with the supporting plate (100);

the ceiling (200) comprises a ceiling body (210), a connecting plate (230), a guide block (231) and an electric telescopic rod (240), wherein the connecting plate (230) is fixedly connected to the bottom of the ceiling body (210), the ceiling body (210) provides support for the top of a tunnel, the guide block (231) is fixedly installed on the connecting plate (230), the connecting plate (230) and the guide block (231) are both in sliding connection with the supporting plate (100), the electric telescopic rod (240) is vertically and fixedly installed in the supporting plate (100), and the top of the electric telescopic rod is in contact connection with the connecting plate (230).

2. The support system for tunnel inner wall construction according to claim 1, wherein the support plate (100) comprises a first mounting cavity (110), a guide groove (120), a baffle plate (130), a second elastic member (140), a second mounting cavity (150) and a universal wheel (160);

the first installation cavity (110), the guide groove (120) and the second installation cavity (150) are vertically arranged on the support plate (100), the bottom of the first installation cavity (110) is communicated with the top of the second installation cavity (150), the connecting plate (230) is in sliding connection with the first installation cavity (110), the guide block (231) is in sliding connection with the guide groove (120), two ends of the second elastic piece (140) are respectively supported and fixed at the bottom of the second installation cavity (150) and the baffle (130), the baffle (130) is horizontally arranged in the second installation cavity (150) and is in sliding connection with the second installation cavity and the baffle (130), and the baffle (130) is in contact with the bottom of the connecting plate (230);

the electric telescopic rod (240) is fixedly arranged in the second mounting cavity (150), the top of the electric telescopic rod is a movable end, the movable end extends into the second mounting cavity (150) and penetrates through the baffle plate (130), and the movable end is in sliding connection with the baffle plate (130);

the universal wheel (160) is fixedly arranged at the bottom of the supporting plate (100).

3. The supporting system for construction of inner wall of tunnel according to claim 1, wherein the supporting plate (100) comprises a height adjusting hole (170) provided at an inner side surface thereof, and a bottom end of the ceiling reinforcing bar (300) is connected to the height adjusting hole (170).

4. The support system for tunnel inner wall construction according to claim 3, wherein the ceiling reinforcing rod (300) comprises a connecting rod (310), a fixing support (320) and a fixing hole (322), both ends of the connecting rod (310) are respectively hinged with the ceiling body (210) and the fixing support (320), the fixing hole (322) is arranged corresponding to the height adjusting hole (170), and the fixing support (320) is bolted to the support plate (100) through the fixing hole (322) and the height adjusting hole (170).

5. The supporting system for construction of inner wall of tunnel according to claim 1, wherein the ceiling (200) comprises a horizontal reinforcing plate (220), the horizontal reinforcing plate (220) being horizontally and fixedly installed to the ceiling body (210).

6. The supporting system for construction of an inner wall of a tunnel according to claim 1, wherein the buffer pad (400) comprises a first bottom plate (410) and a second bottom plate (420) which are horizontally arranged, and a first elastic member (430) which is vertically arranged, the bottom of the first elastic member (430) is fixedly connected to the second bottom plate (420), and the top of the first elastic member is fixedly connected to the first bottom plate (410).

7. The supporting system for construction of inner wall of tunnel according to claim 6, wherein the first bottom plate (410) comprises a side sliding groove (411) and an elastic stopper (412), the elastic stopper (412) is slidably connected with the side sliding groove (411), the supporting plate (100) comprises a stopper sliding groove (180) provided at inner side surface, and the elastic stopper (412) is slidably connected with the stopper sliding groove (180).