CN214464304U

CN214464304U - Tunnel excavation temporary support device

Info

Publication number: CN214464304U
Application number: CN202120570130.4U
Authority: CN
Inventors: 杜建新; 李明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-21
Filing date: 2021-03-21
Publication date: 2021-10-22
Anticipated expiration: 2031-03-21

Abstract

The utility model provides a tunnelling temporary support device. The roadway driving temporary support device comprises two support columns; two regulation support mechanisms, two regulation support mechanism sets up respectively two on the pillar, arbitrary one regulation support mechanism is including receiving groove, slider, extension piece, first screw rod, counter shaft, first awl tooth and second awl tooth, it sets up to receive the groove the top of pillar, slider slidable mounting is in receive the inslot, extension piece fixed mounting is in the top of slider, first screw rod rotates to be installed receive on the bottom inner wall in groove, just first screw rod runs through the slider and with slider threaded connection. The utility model provides a tunnel tunnelling temporary support device has can convenient adjustment and strut the dynamics, and adjustable pressure boost that carries on grabs ground, struts more firmly reliably, and the transportation transport of being convenient for uses the convenient advantage that stabilizes more.

Description

Tunnel excavation temporary support device

Technical Field

The utility model relates to a technical field is strutted in the tunnelling, especially relates to a tunnelling temporary support device.

Background

The excavation is the work of excavating wells, roadways and chambers with various shapes, sections or criss-cross in rock strata or mineral strata, and the excavation process is divided into a main process and an auxiliary process, wherein the main process is to directly complete the process of ensuring the progress of a working face on the working face and support operation in the excavation area of the roadways.

In the prior art, most temporary supporting devices for roadway excavation are difficult to adjust supporting strength according to the shape of a roadway, and the application range is small; part of devices cannot be adjusted to firmly grab the ground, the chassis is unstable, the overall balance is poor, and the supporting strength is not stable enough; most of the supports adopt a pile of support frames which are connected together, the transportation and the transportation of the support frames are too troublesome and laborious, and the transportation, the transportation and the like are inconvenient to use.

Therefore, it is necessary to provide a new temporary support device for roadway excavation to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a but have convenient adjustment and strut the dynamics, the adjustable pressure boost that carries on grabs ground, strut more firmly reliably, the transportation transport of being convenient for uses the tunnel tunnelling temporary support device that stabilizes more convenient.

In order to solve the technical problem, the utility model provides a tunnelling temporary support device includes: two struts; two adjusting and supporting mechanisms which are respectively arranged on the two supporting columns, wherein any one of the adjusting and supporting mechanisms comprises an accommodating groove, a sliding block, an extending block, a first screw rod, a supporting shaft, a first bevel gear and a second bevel gear, the containing groove is arranged at the top of the support, the sliding block is slidably arranged in the containing groove, the extending block is fixedly arranged at the top of the sliding block, the first screw rod is rotatably arranged on the inner wall of the bottom of the containing groove, the first screw penetrates through the sliding block and is in threaded connection with the sliding block, the fulcrum shaft is rotatably arranged on the outer wall of one side of the support column, one end of the fulcrum shaft extends into the accommodating groove, the first bevel gear is fixedly arranged on one end of the fulcrum shaft in the accommodating groove, the second conical teeth are fixedly sleeved on the first screw rod, and the first conical teeth are meshed with the second conical teeth; the arc-shaped supporting rods are fixedly arranged at the tops of the two extending blocks; two adjusting and reinforcing mechanisms, wherein the two adjusting and reinforcing mechanisms are respectively arranged on the two pillars, any one of the adjusting and reinforcing mechanisms comprises two first hinged rods, two second hinged rods, two connecting plates, two fixed blocks, two second screw rods, two pressurizing plates and two limiting rods, the two first hinged rods are hinged on the pillars, the two second hinged rods are hinged on the pillars, the two first hinged rods are respectively hinged with the two second hinged rods, the two connecting plates are respectively hinged on the bottom ends of the two first hinged rods and the top ends of the two second hinged rods, the two fixed blocks are respectively and fixedly arranged on the outer wall of one side, away from each other, of the two connecting plates, the two second screw rods are respectively and threadedly arranged on the two fixed blocks, and the two pressurizing plates are respectively and rotatably arranged at the bottom ends of the two second screw rods, the two limiting rods are respectively slidably mounted on the two fixing blocks, and the bottom ends of the two limiting rods are respectively fixedly connected with the tops of the two pressurizing plates.

Preferably, the bottom of each of the two pillars is fixedly provided with a roller.

Preferably, an avoiding groove is formed in the bottom of the extending block, and the top end of the first screw rod extends into the avoiding groove.

Preferably, the end of the fulcrum outside the pillar and the top end of the second screw are both provided with an inner hexagon.

Preferably, the outer walls of the two sides of the strut are provided with first sliding grooves, two first moving blocks are slidably mounted in the two first sliding grooves, the outer wall of one side, close to each other, of the two connecting plates is provided with a second sliding groove, two second moving blocks are slidably mounted in the two second sliding grooves, the top end of each first hinged rod is hinged to the corresponding first moving block, the bottom end of each first hinged rod is hinged to the corresponding second moving block, the bottom end of each second hinged rod is hinged to the corresponding first moving block, and the top end of each second hinged rod is hinged to the corresponding second moving block.

Preferably, the outer walls of the two connecting plates at the sides far away from each other are fixedly provided with handles.

Preferably, a threaded hole is formed in the top of the sliding block, and the first screw penetrates through the threaded hole and is screwed with the inner wall of the threaded hole.

Compared with the prior art, the utility model provides a tunnelling temporary support device has following beneficial effect:

the utility model provides a tunnelling temporary support device mutually supports through slider, extension piece, first screw rod, counter roll, arc die-pin, linkage plate, second screw rod, pressure boost plate, gag lever post etc. can realize that convenient adjustment struts the dynamics, and adjustable pressure boost is carried out and is grabbed ground, struts more firmly reliably, is convenient for transport and transport, and the mobility can be better, and application scope is wider, uses more firm convenient.

Drawings

Fig. 1 is a schematic front sectional view of a preferred embodiment of the temporary support device for roadway driving according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is the side view sectional structure diagram of a preferred embodiment of the roadway driving temporary support device provided by the utility model.

Reference numbers in the figures: 1. a pillar; 2. a nano-groove; 3. a slider; 4. an extension block; 5. a first screw; 6. a fulcrum; 7. a first bevel gear; 8. a second taper tooth; 9. an arc-shaped supporting rod; 10. a first hinge lever; 11. a second hinge lever; 12. a connector tile; 13. a fixed block; 14. a second screw; 15. a pressure increasing plate; 16. a limiting rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to fig. 3, fig. 1 is a schematic front sectional view of a tunnel excavation temporary support device according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; fig. 3 is the side view sectional structure diagram of a preferred embodiment of the roadway driving temporary support device provided by the utility model. The tunnel excavation temporary support device includes: two pillars 1; two regulation support mechanisms, two regulation support mechanism sets up two respectively on the pillar 1, arbitrary one regulation support mechanism is including receiving groove 2, slider 3, extension piece 4, first screw rod 5, counter shaft 6, first awl tooth 7 and second awl tooth 8, it sets up to receive groove 2 the top of pillar 1, slider 3 slidable mounting be in receive the inslot 2, extension piece 4 fixed mounting be in the top of slider 3, first screw rod 5 rotates to be installed receive on the bottom inner wall of groove 2, just first screw rod 5 runs through slider 3 and with slider 3 threaded connection, counter shaft 6 rotates to be installed on one side outer wall of pillar 1, just the one end of counter shaft 6 extends to receive in the groove 2, first awl tooth 7 fixed mounting be in counter shaft 6 is located receive one end in the groove 2, the second conical teeth 8 are fixedly sleeved on the first screw 5, and the first conical teeth 7 are meshed with the second conical teeth 8; the arc-shaped supporting rods 9 are fixedly arranged at the tops of the two extension blocks 4; two adjusting and reinforcing mechanisms, two of which are respectively arranged on the two pillars 1, any one of which comprises two first hinged rods 10, two second hinged rods 11, two connecting plates 12, two fixed blocks 13, two second screw rods 14, two pressure increasing plates 15 and two limiting rods 16, wherein the two first hinged rods 10 are hinged on the pillars 1, the two second hinged rods 11 are hinged on the pillars 1, the two first hinged rods 10 are respectively hinged with the two second hinged rods 11, the two connecting plates 12 are respectively hinged on the bottom ends of the two first hinged rods 10 and the top ends of the two second hinged rods 11, the two fixed blocks 13 are respectively fixedly arranged on the outer walls of one sides, far away from each other, of the two connecting plates 12, the two second screw rods 14 are respectively arranged on the two fixed blocks 13 in a threaded manner, the two pressure increasing plates 15 are respectively rotatably mounted at the bottom ends of the two second screw rods 14, the two limiting rods 16 are respectively slidably mounted on the two fixing blocks 13, and the bottom ends of the two limiting rods 16 are respectively fixedly connected with the tops of the two pressure increasing plates 15.

And rollers are fixedly arranged at the bottoms of the two pillars 1.

An avoiding groove is formed in the bottom of the extending block 4, and the top end of the first screw rod 5 extends into the avoiding groove.

The end of the fulcrum 6 outside the pillar 1 and the top end of the second screw 14 are both provided with an inner hexagon.

First chutes are formed in outer walls of two sides of the strut 1, two first moving blocks are slidably mounted in the two first chutes, second chutes are formed in outer walls of two sides, close to each other, of the two connecting plates 12, two second moving blocks are slidably mounted in the two second chutes, the top end of each first hinge rod 10 is hinged to the corresponding first moving block, the bottom end of each first hinge rod 10 is hinged to the corresponding second moving block, the bottom end of each second hinge rod 11 is hinged to the corresponding first moving block, and the top end of each second hinge rod 11 is hinged to the corresponding second moving block.

The outer wall of one side of each of the two connecting plates 12 away from each other is fixedly provided with a handle.

The top of the sliding block 3 is provided with a threaded hole, and the first screw rod 5 penetrates through the threaded hole and is screwed with the inner wall of the threaded hole.

The utility model provides a tunnelling temporary support device's theory of operation as follows:

when the device is used, the two supporting columns 1 can be pushed and transported one by one as required and then put into support for use, compared with the existing device which is connected together, the device has better maneuverability and flexibility and wider applicable terrain, when a roadway is higher, an inner hexagonal wrench is utilized to rotate the supporting shaft 6, the supporting shaft 6 drives the first bevel gear 7 to rotate, the first bevel gear 7 drives the second bevel gear 8 to rotate, the second bevel gear 8 rotates the first screw 5 to rotate, the first screw 5 rotates to drive the sliding block 3 to slide upwards, the supporting shafts 6 on the two supporting columns 1 are synchronously adjusted, and the two extending blocks 4 are driven to push the arc-shaped supporting rod 9 to ascend until the arc-shaped supporting rod is firmly supported on the inner wall of the top of the roadway, so that the effect of increasing the support force is achieved;

the roadway ground is generally uneven, the road condition is poor, the conventional roadway is difficult to support stably, when the ground is required to be grabbed and pressurized, and the stability performance is improved, the grip can be held to push the first hinged rod 10 and the second hinged rod 11 to be stretched to the required state, theoretically, the farther the pulling is, the more stable the pulling is, after the pulling is completed, the second screw 14 is rotated by using an inner hexagonal wrench, the second screw 14 rotates and screws in to drive the pressurizing plate 15 to be limited by the limiting rod 16, the stable sliding is realized until the bottom of the pressurizing plate 15 is extruded to firmly grab and stabilize the ground, and the supporting effect is better;

when a plurality of arc-shaped supporting rods 9 are required to support, a plurality of pillars 1 are conveyed to a roadway to be adjusted and used in the same way.

the utility model provides a tunnelling temporary support device mutually supports through slider 3, extension piece 4, first screw rod 5, counter roll 6, arc die-pin 9, linkage plate 12, second screw rod 14, pressure boost plate 15, gag lever post 16 etc. can realize that convenient adjustment is strutted the dynamics, and adjustable pressure boost that carries on grabs ground, struts more firmly reliably, and the transportation transport of being convenient for, mobility can be better, and application scope is wider, and it is more convenient that the use is got up more firmly.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a tunnelling temporary support device which characterized in that includes:

two struts;

two adjusting and supporting mechanisms which are respectively arranged on the two supporting columns, wherein any one of the adjusting and supporting mechanisms comprises an accommodating groove, a sliding block, an extending block, a first screw rod, a supporting shaft, a first bevel gear and a second bevel gear, the containing groove is arranged at the top of the support, the sliding block is slidably arranged in the containing groove, the extending block is fixedly arranged at the top of the sliding block, the first screw rod is rotatably arranged on the inner wall of the bottom of the containing groove, the first screw penetrates through the sliding block and is in threaded connection with the sliding block, the fulcrum shaft is rotatably arranged on the outer wall of one side of the support column, one end of the fulcrum shaft extends into the accommodating groove, the first bevel gear is fixedly arranged on one end of the fulcrum shaft in the accommodating groove, the second conical teeth are fixedly sleeved on the first screw rod, and the first conical teeth are meshed with the second conical teeth;

the arc-shaped supporting rods are fixedly arranged at the tops of the two extending blocks;

two adjusting and reinforcing mechanisms, wherein the two adjusting and reinforcing mechanisms are respectively arranged on the two pillars, any one of the adjusting and reinforcing mechanisms comprises two first hinged rods, two second hinged rods, two connecting plates, two fixed blocks, two second screw rods, two pressurizing plates and two limiting rods, the two first hinged rods are hinged on the pillars, the two second hinged rods are hinged on the pillars, the two first hinged rods are respectively hinged with the two second hinged rods, the two connecting plates are respectively hinged on the bottom ends of the two first hinged rods and the top ends of the two second hinged rods, the two fixed blocks are respectively and fixedly arranged on the outer wall of one side, away from each other, of the two connecting plates, the two second screw rods are respectively and threadedly arranged on the two fixed blocks, and the two pressurizing plates are respectively and rotatably arranged at the bottom ends of the two second screw rods, the two limiting rods are respectively slidably mounted on the two fixing blocks, and the bottom ends of the two limiting rods are respectively fixedly connected with the tops of the two pressurizing plates.

2. The temporary support device for tunneling according to claim 1, wherein rollers are fixedly mounted to the bottoms of both of the pillars.

3. The temporary support device for tunneling according to claim 1, wherein an avoiding groove is formed in the bottom of the extension block, and the top end of the first screw rod extends into the avoiding groove.

4. The temporary support device for roadway driving according to claim 1, wherein an inner hexagonal is opened at one end of the fulcrum outside the pillar and at the top end of the second screw rod.

5. The temporary support device for tunneling according to claim 1, wherein first sliding grooves are formed in outer walls of two sides of the supporting column, two first moving blocks are slidably mounted in the two first sliding grooves, second sliding grooves are formed in outer walls of one sides, close to each other, of the two connecting plates, two second moving blocks are slidably mounted in the two second sliding grooves, the top end of each first hinge rod is hinged to the corresponding first moving block, the bottom end of each first hinge rod is hinged to the corresponding second moving block, the bottom end of each second hinge rod is hinged to the corresponding first moving block, and the top end of each second hinge rod is hinged to the corresponding second moving block.

6. The temporary support device for tunneling according to claim 1, wherein a grip is fixedly mounted on the outer wall of one side of each of the two joint plates away from each other.

7. The temporary support device for tunneling according to claim 1, wherein a threaded hole is formed in the top of the slide block, and the first screw penetrates through the threaded hole and is screwed with the inner wall of the threaded hole.