CN220081463U

CN220081463U - Tunnel supporting device

Info

Publication number: CN220081463U
Application number: CN202321553031.0U
Authority: CN
Inventors: 王泽龙; 赵建沣
Original assignee: Zhejiang Shuzhijiaoyuan Technology Co Ltd
Current assignee: Zhejiang Shuzhijiaoyuan Technology Co Ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-11-24
Anticipated expiration: 2033-06-16

Abstract

The utility model provides a tunnel supporting device, which relates to the technical field of tunnel construction and comprises a supporting frame, a height adjusting piece, a longitudinal supporting component, a width adjusting component, a horizontal supporting component and a moving component. When the support frame is used, the support frame can be moved into the tunnel through the moving assembly, and the support and protection of the top wall and the side wall of the tunnel are realized through the width adjusting assembly and the height adjusting piece.

Description

Tunnel supporting device

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a tunnel supporting device.

Background

The tunnel is a passage special for the transportation and running of the automobile; the construction of tunnels plays an important role in improving the technical state of roads, shortening the running distance, improving the transportation capacity, reducing accidents and the like.

When the tunnel is constructed, a supporting structure is required to be arranged on the tunnel wall surface to strengthen the tunnel wall surface and prevent the tunnel from collapsing. In the prior art, the supporting structure is connected with the top wall and the side wall of the tunnel in an anchoring mode after being lapped into a frame body by using steel bars and steel plates, but in the anchoring process, an anchor rod is required to be driven into the wall surface of the tunnel, the operation efficiency is low, in addition, the wall surface of the tunnel is easy to crack and peel off, broken stones and the surface layer of the wall surface are caused to fall, so that workers in the tunnel are easy to be injured by crashes, and the safety is poor.

Disclosure of Invention

The utility model aims to provide a tunnel supporting device with high setting efficiency and high safety, so as to solve the technical problems of low setting efficiency and poor safety of a supporting structure in anchoring setting in the prior art.

The utility model provides a tunnel supporting device, comprising: the device comprises a supporting frame, a height adjusting piece, a longitudinal supporting component, a width adjusting component, a horizontal supporting component and a moving component; the support frame is provided with a first installation part and a second installation part which are arranged at intervals along the vertical direction; the height adjusting piece is arranged on the first installation part, and the top of the height adjusting piece is a supporting end; the longitudinal support component is arranged at the support end of the height adjusting piece; the width adjusting assembly is arranged on the second mounting part and is provided with a moving part, and the moving part is positioned on two opposite sides of the width adjusting assembly; the two horizontal support assemblies are respectively arranged on the two moving parts; the moving assembly is arranged at the bottom of the supporting frame.

Further, the moving assembly comprises a moving wheel, a first driving piece and a limiting plate; the movable wheel is arranged at the bottom of the support frame; the first driving piece is arranged on one side of the movable wheel and is provided with a movable end capable of longitudinally moving; the limiting plate is connected with the moving end, and the first driving piece is used for driving the limiting plate to be abutted or separated from the ground; the movable wheels, the first driving parts and the limiting plates are all multiple and are arranged in one-to-one correspondence.

Further, the moving assembly further comprises a guide rail; the guide rails are arranged on the ground in parallel at intervals; the top of guide rail is provided with the guide way, the movable wheel is located in the guide way.

Further, the longitudinal support assembly comprises a mounting frame, a longitudinal support plate and a connecting beam; the mounting frame is arranged above the height adjusting piece and is abutted against the supporting end of the height adjusting piece; the plurality of longitudinal support plates are arranged at intervals on the top of the support frame along the extending direction of the support frame; the connecting beams are inserted into the plurality of longitudinal support plates, and the extending direction of the connecting beams is the same as that of the supporting frame, so that the plurality of longitudinal support plates are connected into a whole.

Further, the longitudinal support plate is an arc plate; the middle part of the arc-shaped plate protrudes outwards in a direction away from the ground; the connecting beams are multiple, and the connecting beams are arranged on the longitudinal supporting plate at intervals.

Further, a plurality of limiting deep grooves are formed in the top of the supporting frame; the bottom of mounting bracket is equipped with a plurality of gag levers, the gag lever levers inserts and establishes in the spacing deep groove and with spacing deep groove sliding fit.

Further, the height adjusting piece is a hydraulic cylinder; the moving end of the hydraulic cylinder is the supporting end of the height adjusting piece.

Further, the width adjusting assembly comprises a second driving piece, a transmission piece, a moving piece, a connecting piece and a guiding piece; the second driving piece is arranged on the second installation part; one end of the transmission piece is connected with the output end of the second driving piece; the moving part is connected with the transmission part, and the moving part moves back and forth in the vertical direction under the action of the transmission part; one end of the connecting piece is hinged with the moving piece; one end of the guide piece is hinged with the other end of the connecting piece, a limiting pipe is arranged on the second installation part, and the other end of the guide piece is connected with the horizontal support assembly after passing through the limiting pipe; the connecting pieces, the guiding pieces and the limiting pipes are two, and the two connecting pieces, the guiding pieces and the limiting pipes are symmetrically connected one by one and then symmetrically distributed on two sides of the moving piece.

Further, the second driving piece is a driving motor, and the transmission piece is a screw rod; one end of the screw rod is connected with the output shaft of the second driving piece and rotates along with the output shaft of the second driving piece; the moving part is provided with an internal thread, and the moving part is in threaded fit connection with the screw rod through the internal thread.

Further, the horizontal support assembly comprises a mounting plate and a horizontal support plate; the mounting plate is connected with the guide piece; the horizontal support plates are arranged in a plurality, and the horizontal support plates are arranged on the mounting plate along the extending direction of the support frame.

The beneficial effects are that:

the utility model provides a tunnel supporting device which comprises a supporting frame, a height adjusting piece, a longitudinal supporting component, a width adjusting component, a horizontal supporting component and a moving component, wherein the supporting frame is arranged on the supporting frame; the support frame is provided with a first installation part and a second installation part which are arranged at intervals along the vertical direction; the height adjusting piece is arranged on the first installation part, and the top of the height adjusting piece is a supporting end; the longitudinal supporting component is arranged at the supporting end of the height adjusting piece; the width adjusting assembly is arranged on the second installation part and is provided with a moving part, and the moving part is positioned on two opposite sides of the width adjusting assembly; the two horizontal support assemblies are respectively arranged on the two moving parts; the moving component is arranged at the bottom of the supporting frame.

Specifically, when the support frame is used, the support frame can be moved into a tunnel through the moving assembly, the movement is very convenient, the width of the tunnel supporting device can be adjusted through adjusting the width adjusting assembly, the two horizontal supporting assemblies can be abutted against the side wall of the tunnel so as to support and protect the side wall, the height of the longitudinal supporting assembly can be adjusted through the height adjusting piece at the top, the longitudinal supporting assembly can be abutted against the top wall of the tunnel so as to support and protect the top wall of the tunnel, the support frame is moved through the moving assembly, the on-site erection is not needed, the setting efficiency is high, the height and the width of the support can be adjusted, the use is very convenient, the support can be formed without damaging the wall surface of the tunnel, the condition of falling rocks caused by damage avoidance is avoided, and the safety is high.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a tunnel supporting device according to an embodiment of the present utility model;

fig. 2 is a schematic front view of a tunnel supporting device according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a width adjustment assembly of a tunnel supporting device according to an embodiment of the present utility model;

fig. 4 is an enlarged view at a in fig. 1.

Icon:

100-supporting frames; 110-a first mounting portion; 120-a second mounting portion; 121-a limiting tube;

200-height adjustment;

300-a longitudinal support assembly; 310-mounting rack; 320-longitudinal support plates; 330-connecting beams;

400-width adjustment assembly; 410-a second driver; 420-screw; 430-a mover; 440-connecting member; 450-guides;

500-horizontal support assembly; 510-mounting plates; 520-horizontal support plates;

600-moving the assembly; 610-moving the wheel; 620-a first driver; 630-limiting plate; 640-guide rails.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.

As shown in fig. 1 to 4, the tunnel supporting device provided in the present embodiment includes a supporting frame 100, a height adjuster 200, a longitudinal supporting assembly 300, a width adjuster 400, a horizontal supporting assembly 500, and a moving assembly 600; the support frame 100 has a first mounting portion 110 and a second mounting portion 120 arranged at intervals in the vertical direction; the height adjusting member 200 is disposed on the first mounting portion 110, and the top of the height adjusting member 200 is a supporting end; the longitudinal support assembly 300 is disposed at a support end of the height adjuster 200; the width adjustment assembly 400 is disposed on the second mounting portion 120, the width adjustment assembly 400 having a moving portion located at opposite sides of the width adjustment assembly 400; two horizontal support assemblies 500 are arranged, and the two horizontal support assemblies 500 are respectively arranged on the two moving parts; the moving assembly 600 is disposed at the bottom of the supporting frame 100.

The tunnel supporting device provided in this embodiment can move the support frame 100 into the tunnel through the moving assembly 600, and the movement is very convenient. And can adjust tunnel strutting arrangement's width through adjusting width adjustment subassembly 400, make two horizontal support components 500 can with the lateral wall butt of tunnel to realize supporting and protecting the lateral wall, the height of vertical support component 300 is adjusted to top accessible altitude mixture control piece 200, makes vertical support component 300 can with the roof butt of tunnel, realizes supporting and protecting the roof of tunnel.

The utility model moves through the moving assembly 600, does not need to be erected on site, has high setting efficiency, can adjust the height and the width of the support, is very convenient to use, can form the support without damaging the wall surface of the tunnel, avoids the condition of falling rocks caused by damage avoidance, and has high safety.

In the present embodiment, the moving assembly 600 includes a moving wheel 610, a first driving member 620 and a limiting plate 630; the moving wheel 610 is arranged at the bottom of the supporting frame 100; the first driving member 620 is disposed on one side of the moving wheel 610, and the first driving member 620 has a moving end capable of moving longitudinally; the limiting plate 630 is connected with the moving end, and the first driving element 620 is used for driving the limiting plate 630 to abut against or separate from the ground; the moving wheel 610, the first driving member 620 and the limiting plate 630 are all plural and are disposed in a one-to-one correspondence.

Specifically, the projection of the support frame 100 on the horizontal plane in the embodiment is rectangular, four supporting legs are arranged at four corners of the rectangle at the bottom of the support frame 100, and moving wheels 610 are arranged at the bottoms of the four supporting legs to keep the balance of the tunnel supporting device, and each moving wheel 610 is a universal wheel, so that the support frame 100 can be directly pushed to move under the action of the universal wheels when the tunnel supporting device needs to be moved.

And, when the tunnel supporting device moves to the preset position, the first driving member 620 may be driven to move the limiting plate 630 downward, and the limiting plate 630 continuously moves until the bottom surface abuts against the ground, so that the position of the tunnel supporting device is fixed at the preset position. In this embodiment, the first driving member 620 is a hydraulic driving device, and a surface of the limiting plate 630 connected to the ground is provided with a plurality of protruding points, so as to increase the friction force at the connection position of the limiting plate 630 and the ground.

In this embodiment, the mobile assembly 600 further includes a guide rail 640; the guide rails 640 are multiple, and the guide rails 640 are arranged on the ground in parallel and at intervals; the guide rail 640 has a guide groove provided at the top thereof, and the moving wheel 610 is provided in the guide groove.

The extending direction of the guide groove is the same as the extending direction of the guide rail 640, and the moving wheel 610 rotates in the guide groove along the moving direction of the guide groove, so that the guide rail 640 can limit the moving direction of the moving wheel 610, and further, the tunnel supporting device is guided.

In this embodiment, the longitudinal support assembly 300 includes a mounting bracket 310, a longitudinal support plate 320, and a connection beam 330; the mounting bracket 310 is disposed above the height adjuster 200 and abuts against the supporting end of the height adjuster 200; the plurality of longitudinal support plates 320 are arranged at intervals along the extending direction of the support frame 100 at the top of the support frame 100; the connection beam 330 is interposed in the plurality of longitudinal support plates 320, and the extension direction of the connection beam 330 is the same as the extension direction of the support frame 100, thereby connecting the plurality of longitudinal support plates 320 as one body.

The mounting bracket 310 is disposed above the height adjuster 200, and the height of the mounting bracket 310 may be changed by driving the height adjuster 200. The longitudinal support plates 320 are arranged at intervals along the extending direction of the support frame 100, and are fixed by a plurality of connecting beams 330 to form a shed body for supporting the top of the tunnel, the longitudinal support plates 320 are arranged on the mounting frame 310, and after being reinforced by the connecting beams 330, the mounting frame 310 and the plurality of longitudinal support plates 320 form an integral structure, so that the structure is stable.

In this embodiment, the longitudinal support plate 320 is an arcuate plate; the middle part of the arc-shaped plate protrudes outwards in the direction away from the ground; the plurality of connection beams 330 are provided, and the plurality of connection beams 330 are spaced apart from the longitudinal support plate 320.

Specifically, the bottom of the arc in this embodiment is provided with the inserted block, and the top of mounting bracket 310 is provided with the slot, and arc and mounting bracket 310 are connected through the mode of pegging graft.

In addition, the connecting beams 330 in this embodiment include three main beams located at the middle arc top of the arc plate and auxiliary beams located at two ends of the arc plate. The both ends of arc all are provided with the through-hole, and two auxiliary beams penetrate in this through-hole and are connected to an organic wholely with all arcs, and the centre arc top department of arc is provided with the cell body, and the girder setting is in this cell body to penetrate in order to consolidate girder and each arc through the screw and connect, overall connection structure is very firm.

In the present embodiment, a plurality of limiting deep grooves are formed on the top of the supporting frame 100; the bottom of the mounting frame 310 is provided with a plurality of limiting rods, and the limiting rods are inserted into the limiting deep grooves and are in sliding fit with the limiting deep grooves.

The mounting bracket 310 is connected with the support frame 100 through the way that the limit rod at the bottom is inserted into the limit deep groove, the limit deep groove can also guide the limit rod when being connected with the limit rod, the limit rod moves along the groove depth direction of the limit deep groove under the force application of the height adjusting piece 200, and the limit rod slides with the groove wall of the limit deep groove in the moving process of the limit rod, so that the guide of the moving direction of the support frame 100 is realized.

In the present embodiment, the height adjuster 200 is a hydraulic cylinder; the moving end of the hydraulic cylinder is the supporting end of the height adjusting piece 200.

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion. The device has simple structure and reliable operation. The reciprocating motion can be realized without a speed reducing device, no transmission gap exists, the motion is stable, the mounting frame 310 provided with the longitudinal support plate 320 can be stably moved upwards to a preset height during operation, and the mounting frame 310 can continuously maintain the set height.

In the present embodiment, the width adjustment assembly 400 includes a second driving member 410, a transmission member, a moving member 430, a connection member 440, and a guide member 450; the second driving member 410 is disposed on the second mounting portion 120; one end of the transmission member is connected with the output shaft of the second driving member 410; the moving member 430 is connected with the transmission member, and the moving member 430 performs a reciprocating motion in a vertical direction under the action of the transmission member; one end of the link 440 is hinged with the moving member 430; one end of the guide 450 is hinged to the other end of the connecting member 440, the second mounting portion 120 is provided with a limiting tube 121, and the other end of the guide 450 is connected with the horizontal support assembly 500 after passing through the limiting tube 121; the two connecting pieces 440, the guide pieces 450 and the limiting pipes 121 are symmetrically connected one by one, and are symmetrically distributed on two sides of the moving piece 430.

After the tunnel supporting device moves to the preset position, and when the side wall of the tunnel needs to be supported, the second driving piece 410 is driven, the second driving piece 410 drives the moving piece 430 to move in the vertical direction through the transmission piece after running, the moving piece 430 moves along with the transmission piece, the end part of the guide piece 450 moves along with the moving piece 430, and then the horizontal supporting component 500 at the other end of the guide piece 450 is driven to move.

Since the main body of the guide 450 passes through the limiting pipe 121, the guide 450 cannot move in the vertical direction, and only moves in the horizontal direction, and the end of the connector 440 contacting the guide 450 can move in the horizontal direction. When the moving member 430 moves in the vertical direction, the hinge of the moving member 430 and the connecting member 440 rotates, and the end of the connecting member 440, which is connected with the guide member 450, moves in the horizontal direction, so that the guide member 450 drives the horizontal support assembly 500 to move in the horizontal direction. After the horizontal support assembly 500 moves to be abutted against the wall surface of the tunnel, the second driving piece 410 is stopped to be driven, so that the position of the horizontal support assembly 500 is kept fixed, the width of the tunnel supporting device is adjusted, and the side walls on two sides of the tunnel are supported.

In this embodiment, the second driving member 410 is a driving motor, and the transmission member is a screw 420; one end of the screw 420 is connected to and rotates with the output shaft of the second driving member 410; the moving member 430 has an internal thread, and the moving member 430 is screw-coupled with the screw 420 through the internal thread.

Specifically, the screw 420 and the transmission member in this embodiment are connected through threaded engagement, the screw 420 and the transmission member form a screw rod transmission structure, and in the process that the screw 420 follows the rotation of the output shaft of the driving motor, the transmission member moves in the vertical direction along the screw rod under the action of the threads, so as to push and pull the guide assembly, so that the guide assembly moves left and right, and further, the horizontal support assembly 500 moves close to or far away from the side wall of the tunnel.

In this embodiment, the horizontal support assembly 500 includes a mounting plate 510 and a horizontal support plate 520; mounting plate 510 interfaces with guide 450; the plurality of horizontal support plates 520 are provided, and the plurality of horizontal support plates 520 are disposed on the mounting plate 510 along the extending direction of the support frame 100.

Specifically, the length direction of the mounting plate 510 in the present embodiment is the same as the extending direction of the support frame 100 and the extending direction of the tunnel, and a plurality of horizontal support plates 520 are provided on the side of the mounting plate 510 away from the support frame 100 along the length direction of the mounting plate 510. When adjusting tunnel strutting arrangement's width, horizontal support subassembly 500 removes towards the lateral wall of tunnel under the guide 450 drives, stops driving second driving piece 410 when the one side that keeps away from mounting panel 510 of horizontal support board 520 is laminated, the butt, makes horizontal support board 520 and the lateral wall of tunnel keep the state of butt, laminating for horizontal support board 520 can produce the supporting role to the wall of tunnel, prevents the phenomenon that the surface layer drops appears in the avoidance of tunnel.

And, a plurality of horizontal support plates 520 can increase the area of horizontal support, connect the back with all horizontal support plates 520 by mounting panel 510, make a plurality of horizontal support plates 520 form a whole, promoted the holistic intensity of horizontal support structure to can realize effective protection to the avoidance of tunnel's lateral wall.

When the tunnel supporting device is used, a great amount of time and labor are not wasted, the tunnel supporting device is detached and carried to the designated position for reinstallation, so that the use and operation are more convenient and quick, and the labor capacity of staff is greatly reduced. In addition, the supporting height and the supporting width of the tunnel supporting device can be adjusted by the height adjusting piece 200 and the width adjusting assembly 400, and the tunnel supporting device is convenient to set and excellent in use effect.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.

Claims

1. A tunnel support apparatus, comprising: a support frame (100), a height adjuster (200), a longitudinal support assembly (300), a width adjuster assembly (400), a horizontal support assembly (500) and a moving assembly (600);

the support frame (100) is provided with a first installation part (110) and a second installation part (120) which are arranged at intervals along the vertical direction;

the height adjusting piece (200) is arranged on the first installation part (110), and the top of the height adjusting piece (200) is a supporting end; the longitudinal support assembly (300) is arranged at the support end of the height adjusting piece (200);

the width adjustment assembly (400) is arranged on the second mounting part (120), and the width adjustment assembly (400) is provided with a moving part which is positioned on two opposite sides of the width adjustment assembly (400);

the number of the horizontal support assemblies (500) is two, and the two horizontal support assemblies (500) are respectively arranged on the two moving parts;

the moving component (600) is arranged at the bottom of the supporting frame (100).

2. The tunnel support apparatus of claim 1, wherein the moving assembly (600) comprises a moving wheel (610), a first driving member (620) and a limiting plate (630);

the movable wheel (610) is arranged at the bottom of the supporting frame (100);

the first driving piece (620) is arranged on one side of the moving wheel (610), and the first driving piece (620) is provided with a moving end capable of longitudinally moving;

the limiting plate (630) is connected with the moving end, and the first driving piece is used for driving the limiting plate (630) to be abutted or separated from the ground;

the movable wheels (610), the first driving piece (620) and the limiting plates (630) are all multiple and are arranged in a one-to-one correspondence mode.

3. The tunnel support apparatus of claim 2, wherein the moving assembly (600) further comprises a guide rail (640);

the plurality of guide rails (640) are arranged on the ground in parallel and at intervals;

the top of the guide rail (640) is provided with a guide groove, and the moving wheel (610) is arranged in the guide groove.

4. The tunnel support apparatus of claim 1, wherein the longitudinal support assembly (300) comprises a mounting frame (310), a longitudinal support plate (320), and a connection beam (330);

the mounting frame (310) is arranged above the height adjusting piece (200) and is abutted with the supporting end of the height adjusting piece (200);

the plurality of the longitudinal support plates (320) are arranged at intervals along the extending direction of the support frame (100), and the plurality of the longitudinal support plates (320) are arranged at the top of the support frame (100);

the connecting beam (330) is inserted into a plurality of the longitudinal support plates (320), and the extending direction of the connecting beam (330) is the same as the extending direction of the support frame (100), so that the plurality of the longitudinal support plates (320) are connected into a whole.

5. The tunnel supporting device according to claim 4, wherein the longitudinal support plate (320) is an arc-shaped plate;

the middle part of the arc-shaped plate protrudes outwards in a direction away from the ground;

the connecting beams (330) are a plurality of, and the connecting beams (330) are arranged on the longitudinal supporting plate (320) at intervals.

6. The tunnel supporting device according to claim 4, characterized in that the top of the supporting frame (100) is provided with a plurality of limit deep grooves;

the bottom of mounting bracket (310) is equipped with a plurality of gag levers, the gag lever levers inserts and establishes in spacing deep groove and with spacing deep groove sliding fit.

7. The tunnel supporting device according to claim 6, characterized in that the height adjusting member (200) is a hydraulic cylinder;

the moving end of the hydraulic cylinder is the supporting end of the height adjusting piece (200).

8. The tunnel support apparatus according to any one of claims 1-7, wherein the width adjustment assembly (400) comprises a second drive member (410), a transmission member (420), a moving member (430), a connecting member (440), and a guide member (450);

the second driving piece (410) is arranged on the second installation part (120);

one end of the transmission piece (420) is connected with the output end of the second driving piece (410);

the moving part (430) is connected with the transmission part (420), and the moving part (430) moves back and forth in the vertical direction under the action of the transmission part (420);

one end of the connecting piece (440) is hinged with the moving piece (430);

one end of the guide piece (450) is hinged with the other end of the connecting piece (440), a limiting pipe (121) is arranged on the second installation part (120), and the other end of the guide piece (450) is connected with the horizontal supporting component (500) after penetrating through the limiting pipe (121);

the connecting pieces (440), the guiding pieces (450) and the limiting pipes (121) are two, and the two connecting pieces (440), the guiding pieces (450) and the limiting pipes (121) are symmetrically connected one by one and then symmetrically distributed on two sides of the moving piece (430).

9. The tunnel supporting device according to claim 8, wherein the second driving member (410) is a driving motor, and the transmission member (420) is a screw;

one end of the screw is connected with the output shaft of the second driving piece (410) and rotates along with the output shaft;

the moving part (430) is connected with the other end of the transmission part (420) and is provided with an internal thread, and the moving part (430) is in threaded fit connection with the screw rod through the internal thread.

10. The tunnel support apparatus of claim 8 wherein the horizontal support assembly (500) comprises a mounting plate (510) and a horizontal support plate (520);

the mounting plate (510) is connected with the guide piece (450);

the plurality of horizontal support plates (520) are arranged, and the plurality of horizontal support plates (520) are arranged on the mounting plate (510) along the extending direction of the support frame (100).