CN214462814U

CN214462814U - An openable hole protection cover

Info

Publication number: CN214462814U
Application number: CN202120325095.XU
Authority: CN
Inventors: 杨三建; 解金箭; 刘学森; 宋玉攀; 曹裕平; 杨金钢
Original assignee: Beijing Urban Construction Group Co Ltd
Current assignee: Beijing Urban Construction Group Co Ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-10-22
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses an openable hole protection cover, which comprises a base, a baffle, a protection structure, a protection cover, a first handle, a travel switch, a limit structure, a fixed structure, a fixed block, a clamping block, a handle, a rotating Shaft, drive bevel gear, driven bevel gear, second chute, lead screw, slider, alarm light and support structure. The beneficial effects of the utility model are as follows: firstly, the protective cover plate is opened from the baffle plate, the protective cover plate can be quickly and effectively supported by the cooperation of the support structure and the limit structure, the alarm light is connected with the travel switch, and then the second The handle drives the rotating shaft to rotate, thereby driving the driving bevel gear to rotate, which in turn drives the driven bevel gear to rotate, thereby driving the screw to rotate, and then driving the two sliders to slide toward each other in the second chute, thereby driving the two clamping blocks to face each other. By moving, it can quickly and effectively fix the alarm light, and through the cooperation of the alarm light and the travel switch, it can effectively control the safety accident of falling from the hole.

Description

Openable hole protective cover plate

Technical Field

The utility model relates to an entrance to a cave protection apron specifically is an open-type entrance to a cave protection apron, belongs to the construction field.

Background

During the building engineering construction, leave the entrance to a cave more in the floor in advance, because of the entrance to a cave protection phenomenon often takes place the accident of falling not in place, entrance to a cave protection apron is exactly used for the shutoff to reserve the entrance to a cave, is used for preventing the emergence of entrance to a cave accident of falling.

However, the warning light on the present openable entrance to a cave protection cover plate adopts the bolt fastening mostly, inconvenient quick installation and dismantlement warning light, and protection cover plate lacks the support measure simultaneously, and inconvenient maintenance personal maintains protection cover plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an openable entrance to a cave protection apron just for solving above-mentioned problem, can install fast and dismantle the warning light, the incident that can the effective control entrance to a cave emergence was fallen simultaneously.

The utility model achieves the above purpose through the following technical scheme, an openable cave entrance guard cover plate, which comprises a base, wherein a baffle is fixed at the top end of the base, a guard structure is arranged at the side end of the baffle in a rotating way, the guard structure comprises a guard cover plate, a first handle and a travel switch, the guard cover plate is connected with the baffle in a rotating way, the first handle is fixed at the top end of the guard cover plate, the travel switch is arranged in the guard cover plate, a fixed structure is arranged on the guard cover plate, the fixed structure comprises a fixed block, a clamping block, a handle, a rotating shaft, a driving bevel gear, a driven bevel gear, a second chute, a screw rod and a slide block, the fixed block is fixedly connected with the guard cover plate, the second chute is arranged on the fixed block, and two slide blocks are arranged in the second chute in a sliding way, the fixed block is rotationally connected with the screw rod, the screw rod is in threaded connection with the two sliding blocks, the thread turning directions of the two sliding blocks are opposite, the clamping blocks are fixed at the top ends of the two sliding blocks, the screw rod is fixed with the driven bevel gear, the fixed block is in transmission connection with the rotating shaft, the second handle is fixed at one end of the rotating shaft, the driving bevel gear is fixed at the other end of the rotating shaft, the driving bevel gear is meshed with the driven bevel gear, an alarm lamp is fixed between the two clamping blocks, the alarm lamp is electrically connected with the travel switch, a fixing plate is fixed on the inner side of the baffle plate, the fixed plate is provided with a limiting structure, a supporting structure is arranged between the fixed plate and the protective cover plate, and the limiting structure is fixedly connected with the supporting structure.

Preferably, in order to fix the protective cover plate to the baffle plate fast and prevent safety accidents, the protective structure further comprises a lock head, the lock head is fixedly connected with the protective cover plate, a lock seat is fixed at the top end of the base, and the lock head is clamped with the lock seat.

Preferably, in order to support the protective cover plate and facilitate maintenance of maintenance personnel, the supporting structure comprises a third sliding groove, a first connecting block, a connecting rod and a second connecting block, the third sliding groove is formed in the fixing plate, the first connecting block is arranged in the third sliding groove in a sliding mode, the second connecting block is fixed on the protective cover plate, the first connecting block is connected with the connecting rod in a rotating mode, and the second connecting block is connected with the connecting rod in a rotating mode.

Preferably, for the restriction connecting rod slides for the supporting effect is better, limit structure is including drawing piece, dead lever, spring, first spout and stopper, seted up on the fixed plate first spout, first spout with sliding connection between the stopper, the dead lever with sliding connection between the fixed plate, draw the piece with fixed connection between the dead lever, the dead lever with fixed connection between the stopper, the cover is equipped with on the dead lever the spring, the one end of spring with fixed connection between the stopper, the other end of spring with fixed connection between the fixed plate, stopper one side with sliding connection between the first link.

Preferably, in order to extend and accommodate the connecting rod, the cross section of the first connecting block is concave, and the cross section of the limiting block is trapezoidal.

Preferably, in order to improve the sealing performance of the protective cover plate, the side length of the protective cover plate is greater than that of the baffle, and the side length of the base is greater than that of the baffle.

The utility model has the advantages that: firstly, the protective cover plate is opened from the baffle, then the first handle is pulled to be matched with the supporting structure and the limiting structure, the protective cover plate can be quickly and effectively supported, the maintenance of workers is convenient, the alarm lamp is placed between the two clamping blocks of the protective case cover, the alarm lamp is connected with the travel switch, then the second handle is rotated to drive the rotating shaft to rotate, so that the driving bevel gear is driven to rotate, the driving bevel gear is meshed with the driven bevel gear and then drives the driven bevel gear to rotate, the driven bevel gear is fixedly connected with the screw rod so as to drive the screw rod to rotate, two sliding blocks with opposite thread rotating directions are fixed on the screw rod and then drive the two sliding blocks to slide in the second sliding groove oppositely, so that the two clamping blocks are driven to move oppositely, the alarm lamp can be quickly and effectively fixed, the alarm lamp is convenient to be disassembled, and the alarm lamp is matched with the travel switch through the alarm lamp, when the protective cover plate is opened, the travel switch works, the alarm lamp gives an alarm, when the protective cover plate is closed, the travel switch stops working, the alarm lamp is closed, and the safety accident that the opening of a cave falls can be effectively controlled.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the baffle plate and the protective structure shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure between the protection structure and the fixing structure shown in FIG. 1;

fig. 4 is a schematic view of a connection structure between the limiting structure and the supporting structure shown in fig. 1.

In the figure: 1. the base, 2, the baffle, 3, protective structure, 31, the protective cover board, 32, the first handle, 33, the tapered end, 34, travel switch, 4, the lock seat, 5, limit structure, 51, the pull block, 52, the dead lever, 53, the spring, 54, first spout, 55, the stopper, 6, the fixed plate, 7, fixed structure, 71, the fixed block, 72, the clamp splice, 73, the second handle, 74, the axis of rotation, 75, the drive bevel gear, 76, driven bevel gear, 77, the second spout, 78, the lead screw, 79, the slider, 8, the warning light, 9, bearing structure, 91, the third spout, 92, first connecting block, 93, the connecting rod, 94, the second connecting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an openable hole protective cover plate includes a base 1, a baffle 2 is fixed on a top end of the base 1, a protective structure 3 is rotatably disposed on a side end of the baffle 2, the protective structure 3 includes a protective cover plate 31, a first handle 32 and a travel switch 34, the protective cover plate 31 is rotatably connected to the baffle 2, the first handle 32 is fixed on a top end of the protective cover plate 31, the travel switch 34 is disposed inside the protective cover plate 31, a fixed structure 7 is disposed on the protective cover plate 31, the fixed structure 7 includes a fixed block 71, a clamping block 72, a handle 73, a rotating shaft 74, a driving bevel gear 75, a driven bevel gear 76, a second chute 77, a screw rod 78 and a sliding block 79, the fixed block 71 is fixedly connected to the protective cover plate 31, the second chute 77 is disposed on the fixed block 71, the second chute 77 is internally provided with two sliding blocks 79 in a sliding manner, the fixed block 71 is rotatably connected with the screw rod 78, the screw rod 78 is in threaded connection with the two sliding blocks 79, the thread turning directions of the two sliding blocks 79 are opposite, the clamping blocks 72 are fixed at the top ends of the two sliding blocks 79, the driven bevel gear 76 is fixed on the screw rod 78, the fixed block 71 is in transmission connection with the rotating shaft 74, the second handle 73 is fixed at one end of the rotating shaft 74, the driving bevel gear 75 is fixed at the other end of the rotating shaft 74, the driving bevel gear 75 is engaged with the driven bevel gear 76, the alarm lamp 8 is fixed between the two clamping blocks 72, the alarm lamp 8 is electrically connected with the travel switch 34, the fixed plate 6 is fixed on the inner side of the baffle plate 2, and the fixed plate 6 is provided with a limit structure 5, and a supporting structure 9 is arranged between the fixing plate 6 and the protective cover plate 31, and the limiting structure 5 is fixedly connected with the supporting structure 9.

As a technical optimization scheme of the utility model, protective structure 3 still includes tapered end 33, tapered end 33 with fixed connection between the protective cover 31, the top of base 1 is fixed with lock seat 4, tapered end 33 with block between the lock seat 4.

As a technical optimization scheme of the utility model, bearing structure 9 includes third spout 91, first connecting block 92, connecting rod 93 and second connecting block 94, seted up on fixed plate 6 third spout 91, the inside slip of third spout 91 is equipped with first connecting block 92, be fixed with on the protective cover plate 31 second connecting block 94, first connecting block 92 with rotate between the connecting rod 93 and connect, second connecting block 94 with rotate between the connecting rod 93 and connect.

As a technical optimization scheme of the utility model, limit structure 5 is including drawing piece 51, dead lever 52, spring 53, first spout 54 and stopper 55, seted up on fixed plate 6 first spout 54, first spout 54 with sliding connection between the stopper 55, dead lever 52 with sliding connection between the fixed plate 6, draw piece 51 with fixed connection between the dead lever 52, dead lever 52 with fixed connection between the stopper 55, the cover is equipped with on the dead lever 52 spring 53, spring 53's one end with fixed connection between the stopper 55, spring 53's the other end with fixed connection between the fixed plate 6, stopper 55 one side with sliding connection between first connecting block 92.

As a technical optimization scheme of the utility model, the cross-section of first connecting block 92 is "concave" shape, stopper 55's cross-section is trapezoidal.

As a technical optimization scheme of the utility model, the length of side of protective cover 31 is greater than the length of side of baffle 2, the length of side of base 1 is greater than the length of side of baffle 2.

When the utility model is used, firstly, the safety lock is opened, the lock head 33 is moved away from the lock seat 4, the protective cover plate 31 is opened from the baffle 2, then the first handle 32 is pulled, the protective cover plate 31 is overturned due to the hinge connection between the protective cover plate 31 and the baffle 2, the second connecting block 94 is driven to move upwards, the connecting rod 93 is driven to move, the first connecting block 92 is driven to slide in the third chute 91, the first connecting block 92 is concave, the section of the limiting block 55 is trapezoidal, the first connecting block 92 extrudes the limiting block 55, the limiting block 55 extrudes the spring 53, the spring 53 is shortened and then extended, the limiting block 55 is then clamped on the first connecting block 94, the protective cover plate 31 can be quickly and effectively supported, the maintenance of workers is convenient, the protective cover 31 places the alarm lamp 8 between the two clamping blocks 72, the alarm lamp 8 is connected with the travel switch 34, then, the second handle 73 is rotated to rotate the rotating shaft 74, thereby rotating the drive bevel gear 75, since the driving bevel gear 75 is engaged with the driven bevel gear 76, and then the driven bevel gear 76 is rotated, because the driven bevel gear 76 is fixedly connected with the screw rod 78, the screw rod 78 is driven to rotate, because the screw rod 78 is fixed with two slide blocks 79 with opposite screw thread turning directions, the two slide blocks 79 are driven to slide oppositely in the second sliding chute 77, thereby driving the two clamping blocks 72 to move towards each other, rapidly and effectively fixing the warning lamp 8, and simultaneously conveniently detaching the warning lamp 8, through the cooperation of warning light 8 and travel switch 34 for when the protective cover board 31 was opened, travel switch 34 work, warning light 8 was warned, and when the protective cover board 31 was closed, travel switch 34 stop work, warning light 8 was closed, can effectively control the incident that the entrance to a cave took place to fall.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An openable hole protection cover plate, comprising a base (1), characterized in that: a baffle plate (2) is fixed on the top of the base plate (1), and a side end of the baffle plate (2) is rotated to set a baffle plate (2). There is a protective structure (3), the protective structure (3) includes a protective cover plate (31), a first handle (32) and a travel switch (34), the protective cover plate (31) and the baffle plate (2) The top of the protective cover plate (31) is fixed with the first handle (32), the inside of the protective cover plate (31) is provided with the travel switch (34), and the protective cover plate (31) is provided with a fixing structure (7), the fixing structure (7) includes a fixing block (71), a clamping block (72), a second handle (73), a rotating shaft (74), a driving bevel gear (75) ), the driven bevel gear (76), the second chute (77), the screw (78) and the slider (79), the fixing block (71) is fixedly connected with the protective cover (31) , the fixing block (71) is provided with the second chute (77), and two sliding blocks (79) are slidably provided inside the second chute (77), and the fixing block (71) ) is rotatably connected with the lead screw (78), the lead screw (78) is threadedly connected with the two sliding blocks (79), and the threads of the two sliding blocks (79) have opposite directions of rotation , the top ends of the two sliding blocks (79) are fixed with the clamping block (72), the screw rod (78) is fixed with the driven bevel gear (76), and the fixed block (71) Drive connection with the rotating shaft (74), one end of the rotating shaft (74) is fixed with the second handle (73), and the other end of the rotating shaft (74) is fixed with the driving bevel gear (75), the driving bevel gear (75) meshes with the driven bevel gear (76), an alarm light (8) is fixed between the two clamping blocks (72), and the alarm light ( 8) It is electrically connected with the travel switch (34), a fixing plate (6) is fixed on the inner side of the baffle plate (2), and a limiting structure (5) is arranged on the fixing plate (6), so A supporting structure (9) is arranged between the fixing plate (6) and the protective cover plate (31), and the limiting structure (5) is fixedly connected with the supporting structure (9).

2. An openable hole protection cover according to claim 1, characterized in that: the protection structure (3) further comprises a lock head (33), the lock head (33) and the protection cover The plates (31) are fixedly connected, the top end of the base (1) is fixed with a lock seat (4), and the lock head (33) is engaged with the lock seat (4).

3. An openable hole protection cover plate according to claim 1, characterized in that: the support structure (9) comprises a third chute (91), a first connecting block (92), a connecting rod ( 93) and the second connecting block (94), the fixing plate (6) is provided with the third chute (91), and the interior of the third chute (91) is slidably provided with the first connection block (92), the second connecting block (94) is fixed on the protective cover plate (31), the first connecting block (92) is rotatably connected with the connecting rod (93), the The second connecting block (94) is rotatably connected with the connecting rod (93).

4 . The openable hole protection cover according to claim 3 , wherein the limiting structure ( 5 ) comprises a pull block ( 51 ), a fixing rod ( 52 ), a spring ( 53 ), a first A chute (54) and a limit block (55), the fixing plate (6) is provided with the first chute (54), the first chute (54) and the limit block ( 55), the fixing rod (52) and the fixing plate (6) are slidably connected, the pull block (51) and the fixing rod (52) are fixedly connected, the fixing The rod (52) is fixedly connected with the limit block (55), the fixed rod (52) is sleeved with the spring (53), and one end of the spring (53) is connected to the limit block (55) are fixedly connected, the other end of the spring (53) is fixedly connected to the fixing plate (6), and one side of the limiting block (55) is connected to the first connecting block (92) Sliding connection between.

5. An openable hole protection cover plate according to claim 4, characterized in that: the cross section of the first connecting block (92) is in a "concave" shape, and the cross section of the limiting block (55) is in a "concave" shape. Trapezoid.

6. An openable hole protection cover plate according to claim 1, characterized in that: the side length of the protection cover plate (31) is greater than the side length of the baffle plate (2), and the base ( The side length of 1) is greater than the side length of the baffle plate (2).