CN217930018U

CN217930018U - Tunnel blasting protective equipment

Info

Publication number: CN217930018U
Application number: CN202221992841.1U
Authority: CN
Inventors: 刘斌
Original assignee: China Railway 19th Bureau Group Co Ltd
Current assignee: China Railway 19th Bureau Group Co Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-29
Anticipated expiration: 2032-07-28

Abstract

The disclosure relates to tunnel blasting protection equipment, which comprises a base, wherein the bottom of the base is provided with a positioning cone; the protection main body comprises a first movable plate, a second movable plate and a protection plate, the protection plate is installed on the base, and the first movable plate and the second movable plate are installed on the protection plate in a sliding mode; the lifting mechanism comprises a driving structure and a moving wheel, the driving structure is mounted on the base, and the driving structure is configured to drive the moving wheel to lift in the height direction of the base. The utility model provides a tunnel blasting protective apparatus through setting up first fly leaf and the second fly leaf of slidable mounting, has promoted the protecting effect, and removes the wheel through setting up, can mobile device, has promoted the convenience of equipment use, has saved the human cost.

Description

Tunnel blasting protective equipment

Technical Field

The utility model relates to a tunnel engineering construction auxiliary assembly technical field especially relates to a tunnel blasting protective apparatus.

Background

Due to the limitation of geographical positions and terrain conditions, many projects such as tunnels, underground excavation and the like generally relate to tunnel projects. With the development of society and the improvement of technology, the safety is no longer said to hang on the mouth, but is really put into every detail in the work. In the initial stage of tunnel excavation, blasting protection work for various buildings, equipment and the like around the tunnel opening is very important, and safety of facilities near the tunnel opening is directly determined. In the blasting construction of tunnel mouths, wood boards, sand bags or other temporary turnover materials are mostly adopted by a plurality of units for protection, the operation is complicated, the labor is wasted, the protection effect is not ideal, and a tunnel blasting protection device is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the present disclosure provides a tunnel blasting protection device which is simple in operation and good in protection effect.

The disclosure provides tunnel blasting protection equipment, which comprises a base, wherein the bottom of the base is provided with a positioning cone;

the protection main body comprises a first movable plate, a second movable plate and a protection plate, the protection plate is installed on the base, and the first movable plate and the second movable plate are installed on the protection plate in a sliding mode;

the lifting mechanism comprises a driving structure and a moving wheel, the driving structure is mounted on the base, and the driving structure is configured to drive the moving wheel to lift in the height direction of the base.

Optionally, the guard plate is equipped with two spouts at the interval in vertical direction, first fly leaf and second fly leaf all are equipped with the adaptation in the both ends of vertical direction the slider of spout.

Optionally, the protection plate includes an inner plate and an outer plate, the inner plate is fixedly mounted on the base, the first movable plate and the second movable plate are both arranged on the outer plate, and a first elastic piece is arranged between the inner plate and the outer plate.

Optionally, the baffle is fixedly installed on the protection plate, two clamping grooves are formed in the baffle adjacently, pressing structures are arranged in the two clamping grooves, and the ends, close to the first movable plate and the second movable plate, of the first movable plate and the second movable plate are provided with buckles capable of being detachably connected with the pressing structures.

Optionally, the pressing structure includes a positioning element and a second elastic element, the positioning element is located in the clamping groove, the second elastic element is disposed between the positioning element and an inner wall of the clamping groove, and a pressing plate extending out of the clamping groove is disposed on the positioning element;

the positioning piece and the clamping groove are internally provided with a clamping position capable of being clamped in the buckle and a releasing position separated from the buckle, and the pressing plate and the second elastic piece are configured to be capable of driving the positioning piece to move between the releasing position and the clamping position.

Optionally, one side that first fly leaf and second fly leaf deviate from the guard plate all is equipped with the buffer block.

Optionally, the driving structure includes a driving assembly and a sliding rod, the driving assembly is disposed on the base, the driving assembly is configured to drive the sliding rod to lift in a height direction of the base, and the sliding rod is provided with the moving wheel.

Optionally, the driving assembly includes a driving member disposed on the base, a threaded rod rotatably connected to the driving member, and a threaded sleeve threadedly connected to the threaded rod, and the threaded sleeve is connected to the sliding rod.

Optionally, a slot capable of accommodating the moving wheel is formed in the bottom of the base.

Optionally, the protection plate further comprises a reinforcement member connected to the protection plate and the base.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the tunnel blasting protection device provided by the embodiment of the disclosure, the first movable plate and the second movable plate are both slidably mounted on the protection plate through the arrangement of the protection main body, so that the first movable plate and the second movable plate can be unfolded or closed according to environmental requirements, the protection area is increased through unfolding, and the protection performance of the tunnel blasting protection device is improved; through setting up elevating system, realized that the drive structure drive removes the wheel and goes up and down on the direction of height of base, when needs use tunnel blasting protective apparatus, only need drop and remove the wheel, can realize the removal of this equipment, improved the holistic practicality of equipment, saved the human cost.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a tunnel blasting protection device according to an embodiment of the disclosure;

fig. 2 is a front view structural diagram of a tunnel blasting protection device according to an embodiment of the disclosure;

fig. 3 is a side view structural diagram of a tunnel blast protection device according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of the structure at A in FIG. 2;

fig. 5 is a schematic structural diagram of a lifting mechanism of a tunnel blasting protection device according to an embodiment of the disclosure.

Wherein, 1, a base; 2. erecting; 3. a protection plate; 301. an inner plate; 302. an outer plate; 303. bending a plate; 4. a partition plate; 5. a first movable plate; 6. a second movable plate; 7. a drive member; 8. a threaded rod; 9. a threaded sleeve; 10. a slide bar; 11. a limiting member; 12. a moving wheel; 13. slotting; 14. positioning a cone; 15. a slider; 16. a chute; 17. a first elastic member; 18. a reinforcement; 19. buckling; 20. a card slot; 21. a positioning member; 22. a pressing plate; 23. a cavity; 24. a second elastic member; 25. a buffer block; 26. a stopper; 27. and fixing the shaft.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Referring to fig. 1 to 5, the present embodiment provides a tunnel blasting protection device, which includes a base 1, a protection main body, and a lifting mechanism. The bottom of the base 1 is provided with positioning cones 14, and the positioning cones 14 are arranged at four corners of the bottom of the base 1; the protection main body comprises a first movable plate 5, a second movable plate 6 and a protection plate 3, the protection plate 3 is installed on the base 1, and the first movable plate 5 and the second movable plate 6 are both installed on the protection plate 3 in a sliding mode; the lifting mechanism includes a driving structure mounted on the base 1 and a moving wheel 12 configured to drive the moving wheel 12 to lift in the height direction of the base 1.

Exemplarily, during the concrete use, when tunnel blasting protective apparatus need be removed, remove wheel 12 through the actuating mechanism drive and descend, remove the equipment to the operation place, rethread actuating mechanism drive removes wheel 12 and rises, and location awl 14 contacts ground gradually this moment, rises completely until removing wheel 12, and location awl 14 is fixed in ground under the action of gravity, and elevating system's setting makes the convenient removal of equipment, has promoted the convenience that the equipment used. Certainly, the tunnel blasting protective apparatus that this disclosed embodiment provided, through setting up the protection main part, with first fly leaf 5 and the equal slidable mounting of second fly leaf 6 on guard plate 3, realized that first fly leaf 5 and second fly leaf 6 can expand or be closed according to the environmental requirement, promoted the practicality of equipment, increased protection area through expanding first fly leaf 5 and second fly leaf 6 simultaneously, promoted the barrier propterty of equipment.

Specifically, referring to fig. 2, the protection plate 3 is provided with two sliding grooves 16 at intervals in the vertical direction, and the first movable plate 5 and the second movable plate 6 are provided with sliding blocks 15 adapted to the sliding grooves 16 at two ends in the vertical direction, that is, the first movable plate 5 and the second movable plate 6 are slidably connected to the sliding grooves 16 of the protection plate 3 through the sliding blocks 15, so that the first movable plate 5 and the second movable plate 6 can slide in the horizontal direction of the sliding grooves 16 to achieve the effect of adjusting the protection area, for example, when the working space is small, the first movable plate 5 and the second movable plate 6 can slide in the sliding grooves 16 to a closed state, and when the working space is large, the first movable plate 5 and the second movable plate 6 can slide away from the sliding grooves 16 to an expanded state to increase the protection area.

Referring to fig. 2 and 3, the protection plate 3 includes an inner plate 301, an outer plate 302 and a bent plate 303, the inner plate 301 is fixedly mounted on the base 1, the first movable plate 5 and the second movable plate 6 are both disposed on the outer plate 302, and the first elastic member 17 is disposed between the inner plate 301 and the outer plate 302. The bent plate 303 is fixedly attached to the top of the inner plate 301. Illustratively, the thickness of the bent plate 303 is equal to the thickness of the whole of the inner plate 301 and the outer plate 302, both ends of one side of the outer plate 302 close to the first movable plate 5 and the second movable plate 6 in the vertical direction are provided with sliding grooves 16, and correspondingly, both ends of the first movable plate 5 and the second movable plate 6 in the vertical direction are provided with sliding blocks 15 adapted to the sliding grooves 16, so that the first movable plate 5 and the second movable plate 6 can slide along the sliding grooves 16. Of course, the bent plate 303 is provided not only to provide a slide way for the first flap 5 and the second flap 6 to slide, but also to prevent flying stones from flying out from above the inner plate 301 to cause injury.

Wherein, first elastic component 17 presss from both sides and establishes between inner panel 301 and planking 302, and when planking 302 received external force impact, planking 302 can be along its thickness direction motion under the elastic action of first elastic component 17 to play the effect of buffering protection, not only promoted the barrier propterty of equipment, also improved the life of equipment. The first elastic member 17 is a spring, but the first elastic member 17 may also be elastic rubber or other elastic materials as long as the effect of buffering and protection can be achieved.

Continuing to refer to fig. 2, in order to better realize the expansion and the closure of the first movable plate 5 and the second movable plate 6, the tunnel blasting protection device further includes a partition plate 4, the partition plate 4 is fixedly installed on the protection plate 3, two clamping grooves 20 are formed on the partition plate 4 adjacently, pressing structures are respectively arranged in the two clamping grooves 20, and the ends, close to each other, of the first movable plate 5 and the second movable plate 6 are respectively provided with a buckle 19 which can be detachably connected with the pressing structures.

Specifically, the partition plate 4 is fixedly installed in the middle of the outer plate 302, and the first movable plate 5 and the second movable plate 6 can not slide after being closed by the detachably connected pressing structure and the buckle 19, so that the stability of the device is ensured.

As shown in fig. 3, the tunnel blast protection device further comprises a reinforcement 18, the reinforcement 18 being connected to the apron 3 and the base 1. Specifically, the reinforcing member 18 is connected to the inner plate 301 and the base 1 to improve the connection stability of the inner plate 301 and the base 1, thereby improving the stability of the tunnel blast protection apparatus.

Further, the reinforcement 18 has a triangular structure, and one side thereof is connected to the inner panel 301 and the other side thereof is connected to the base 1.

Referring to fig. 4, the pressing structure includes a positioning member 21 and a second elastic member 24, the positioning member 21 is located in the card slot 20, the second elastic member 24 is disposed between the positioning member 21 and an inner wall of the card slot 20, that is, the positioning member 21 has a cavity 23 for accommodating the second elastic member 24, and the positioning member 21 is provided with a pressing plate 22 extending out of the card slot 20; the positioning member 21 and the locking groove 20 have a locking position capable of locking the locking member 19 and a releasing position separated from the locking member 19, and the pressing plate 22 and the second elastic member 24 are configured to drive the positioning member 21 to move between the releasing position and the locking position.

Specifically, the pressing structure can drive the positioning element 21 to move from the clamping position to the release position, and the second elastic element 24 can drive the positioning element 21 to move from the release position to the clamping position. That is to say, when the first movable plate 5 and the second movable plate 6 are closed, the first movable plate 5 and the second movable plate 6 need to slide in opposite directions, the pressing plate 22 is pressed downward to drive the positioning member 21 to move from the clamping position to the releasing position, when the first movable plate 5 and the second movable plate 6 are respectively attached to two sides of the partition plate 4, the pressing plate 22 is released, the positioning member 21 moves toward the buckle 19 under the elastic action of the second elastic member 24, that is, moves from the releasing position to the clamping position until the positioning member 21 is clamped with the buckle 19, at this time, the positioning member 21 is in the clamping position clamped with the buckle 19, and the first movable plate 5 and the second movable plate 6 are relatively fixed and do not slide any more; when the first movable plate 5 and the second movable plate 6 are unfolded, the pressing plate 22 is pressed downward to drive the positioning member 21 to move from the clamping position to the releasing position, at this time, the positioning member 21 is separated from the buckle 19, the first movable plate 5 and the second movable plate 6 are not fixed any more, so that the positioning member can slide backward until the positioning member is completely unfolded, and after the pressing plate 22 is released, the positioning member 21 returns to the clamping position under the driving of the second elastic member 24.

In addition, the sliding slot 16 is provided with stoppers 26 at both ends, when the first movable plate 5 and the second movable plate 6 are unfolded, the first movable plate 5 and the second movable plate 6 slide back to back until being completely unfolded, and at this time, the first movable plate 5 and the second movable plate 6 respectively abut against the corresponding stoppers 26 to prevent falling.

Illustratively, one end of the positioning member 21 close to the buckle 19 is arc-shaped, and correspondingly, one end of the buckle 19 close to the positioning member 21 is an arc-shaped cavity capable of accommodating the positioning member 21, here, it should be understood that the positioning member 21 and the buckle 19 are detachably connected, and the shapes of the positioning member 21 and the buckle 19 may also be other shapes as long as the positioning member 21 and the buckle 19 can be buckled. Here, the second elastic member 24 is a spring, but the second elastic member 24 may be other connecting members having elastic properties as long as the second elastic member can support the positioning member 21 and can be compressed.

In addition, first fly leaf 5 and second fly leaf 6 deviate from one side of guard plate 3 and are equipped with a plurality of perpendicular lifters 2, all are equipped with fixed axle 27 between per two perpendicular lifters 2, and fixed axle 27 evenly arranges along vertical direction, and the cover is equipped with buffer block 25 on the fixed axle 27, and when receiving external force and assaulting, buffer block 25 accessible is rotatory in order to reach the effect of buffering, has reduced the injury of external force to equipment.

Referring to fig. 5, the driving structure includes a driving assembly and a sliding rod 10, the driving assembly is disposed on the base 1, the driving assembly is configured to drive the sliding rod 10 to move up and down in the height direction of the base 1, and a moving wheel 12 is disposed on the sliding rod 10, that is, the driving assembly can drive the moving wheel 12 to move up and down in the height direction of the base 1, so as to facilitate the movement of the device.

Wherein, drive assembly is including setting up driving piece 7 on base 1, with driving piece 7 rotation connection's threaded rod 8 and the threaded bush 9 with threaded rod 8 threaded connection, threaded bush 9 is connected on slide bar 10.

Illustratively, a sliding rod 10 is fixed on the threaded sleeve 9, and a groove body suitable for the sliding rod 10 to ascend and descend is further formed on the inner wall of the base 1, the other end of the sliding rod 10 extends into the groove body, a moving wheel 12 is arranged on the sliding rod 10, and a slot 13 suitable for the moving wheel 12 to penetrate is formed in the bottom of the base 1. During the specific use, driving piece 7 drives threaded rod 8 and rotates, and threaded rod 8 drives thread bush 9 and moves down along its vertical direction, and slide bar 10 moves down along with thread bush 9 jointly, drives and removes wheel 12 and passes fluting 13 and ground contact, and of course, the height that removes wheel 12 is greater than the height of location awl 14, and at this moment, can promote equipment in order to change the position of equipment, labour saving and time saving. When equipment reachd the assigned position, restart driving piece 7, driving piece 7 drives threaded rod 8 and rotates, and threaded rod 8 drives thread bush 9 along its vertical direction rebound, and slide bar 10 is along with thread bush 9 common upward movement, drives and removes wheel 12 and passes fluting 13 and receive to base 1 in, and location awl 14 is fixed subaerial under the action of gravity this moment to make equipment monolithic stationary, can not remove when receiving the impact of flying stone, play the guard action better. The driving part 7 is a motor, of course, the driving part 7 can also be a hydraulic cylinder as long as the threaded rod 8 can be driven to rotate.

Illustratively, the driving assemblies are provided in two sets, two corresponding driving members 7, two corresponding threaded rods 8 and two corresponding threaded sleeves 9 are provided, and four corresponding sliding rods 10, four corresponding moving wheels 12 and four corresponding slots 13 are provided. One end of the sliding rod 10 is connected to the corresponding threaded sleeve 9, and the other end is provided with a moving wheel 12.

In addition, the bottom of the threaded rod 8 is provided with a limiting part 11, and when the moving wheel 12 completely descends to contact with the ground, the limiting part 11 contacts with the base 1 to ensure that the threaded rod 8 does not fall off.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tunnel blast protection device, comprising:

the bottom of the base (1) is provided with a positioning cone (14);

the protection main body (2) comprises a first movable plate (5), a second movable plate (6) and a protection plate (3), the protection plate (3) is installed on the base (1), and the first movable plate (5) and the second movable plate (6) are installed on the protection plate (3) in a sliding mode;

a lifting mechanism comprising a driving structure and a moving wheel (12), the driving structure being mounted to the base (1), the driving structure being configured to drive the moving wheel (12) to lift in a height direction of the base (1).

2. The tunnel blast protection equipment according to claim 1, characterized in that the protection plate (3) is provided with two sliding grooves (16) at intervals in the vertical direction, and the first movable plate (5) and the second movable plate (6) are provided with sliding blocks (15) adapted to the sliding grooves (16) at both ends in the vertical direction.

3. The tunnel blast protection apparatus according to claim 2, wherein the protection plate (3) comprises an inner plate (301) and an outer plate (302), the inner plate (301) is fixedly mounted on the base (1), the first movable plate (5) and the second movable plate (6) are both disposed on the outer plate (302), and a first elastic member (17) is disposed between the inner plate (301) and the outer plate (302).

4. The tunnel blasting protection device according to claim 1, further comprising a partition plate (4), wherein the partition plate (4) is fixedly installed on the protection plate (3), two clamping grooves (20) are adjacently formed in the partition plate (4), pressing structures are respectively arranged in the two clamping grooves (20), and buckles (19) detachably connected with the pressing structures are respectively arranged at the ends, close to the first movable plate (5) and the second movable plate (6), of the first movable plate and the second movable plate.

5. The tunnel blast protection device according to claim 4, wherein the pressing structure comprises a positioning member (21) and a second elastic member (24), the positioning member (21) is located in the slot (20), the second elastic member (24) is arranged between the positioning member (21) and the inner wall of the slot (20), and a pressing plate (22) extending out of the slot (20) is arranged on the positioning member (21);

the positioning piece (21) and the clamping groove (20) are internally provided with a clamping position capable of being clamped in the buckle (19) and a releasing position separated from the buckle (19), and the pressing plate (22) and the second elastic piece (24) are configured to be capable of driving the positioning piece (21) to move between the releasing position and the clamping position.

6. The tunnel blast protection apparatus according to claim 1, characterized in that the sides of the first and second movable plates (5, 6) facing away from the shielding plate (3) are each provided with a buffer block (25).

7. The tunnel blast protection device according to claim 1, characterized in that said driving structure comprises a driving assembly and a sliding rod (10), said driving assembly is arranged on said base (1), said driving assembly is configured to drive said sliding rod (10) to move up and down in the height direction of said base (1), said sliding rod (10) is provided with said moving wheel (12).

8. The tunnel blast protection device according to claim 7, characterized in that said drive assembly comprises a drive member (7) provided on said base (1), a threaded rod (8) rotatably connected to said drive member (7), and a threaded sleeve (9) threadedly connected to said threaded rod (8), said threaded sleeve (9) being connected to said sliding rod (10).

9. A tunnel blast protection device according to claim 8, characterized in that the base (1) is provided at its bottom with a slot (13) capable of accommodating the moving wheel (12).

10. The tunnel blast protection device according to claim 1, further comprising a reinforcement (18), said reinforcement (18) being connected to said apron (3) and to said base (1).