CN219734986U - Safety protection device for maintenance channel between movable frames - Google Patents

Abstract

The utility model belongs to the technical field of safety protection devices, and discloses a safety protection device for a maintenance channel between movable frames. The main technical characteristics are as follows: including with the fixed mount of removal support body be close to the mount lower part is provided with the pivot be provided with the pendulum rod in the pivot, the pendulum rod including be located the rear stir the leg, be located stir the leg the place ahead block the leg with be located block the gag lever post in the leg place ahead be provided with the upper positioning plate of front end tilt up on the mount of pivot top be provided with down the locating plate on the mount in pivot place ahead be provided with the block piece on another support body relative with the removal support body, stir the pendulum rod and revolute the pivot swing through the block piece, realize gag lever post and upper positioning plate laminating or with lower locating plate laminating, the fore-and-aft movement of restriction removal support body, simple structure, the security performance is good.

Description

Safety protection device for maintenance channel between movable frames

Technical Field

The utility model belongs to the technical field of safety protection devices, and particularly relates to a safety protection device for a maintenance channel between movable frames.

Background

When the equipment between the two movable frames needs to be maintained, the movable frames are moved away, maintenance personnel work between the two movable frames, after maintenance is completed, the maintenance personnel withdraw, and the moved frames are pushed back. Before maintenance personnel withdraw, if the removed frame body is pushed back, the maintenance personnel can be injured. In order to avoid injury of personnel due to misoperation of the frame body, the following method is generally adopted: firstly, the single staff is used for being on duty, so that misoperation of a person is avoided, and the maintenance cost is increased although the injury of the maintenance staff is avoided; secondly, after the frame body is moved away, a blocking object is arranged on a moving track of the moving frame body, after maintenance is completed, the blocking object is moved away again, the operation is complex, the labor intensity is increased, sometimes maintenance personnel are troublesome, the blocking object is not placed sometimes, and the occurrence of casualties is caused.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the safety protection device for the maintenance channel between the movable frame bodies, which is used for avoiding the opposite movement of the two movable frame bodies caused by misoperation, and has the advantages of simple structure and safe use.

In order to solve the problems, the technical scheme adopted by the safety protection device for the maintenance channel between the movable frame bodies is as follows: the movable support comprises a fixed frame fixed with a movable support body, a rotating shaft is arranged near the lower part of the fixed frame, a swing rod is arranged on the rotating shaft, the swing rod comprises a poking leg positioned at the rear, a blocking leg positioned in front of the poking leg and a limiting rod positioned in front of the blocking leg, the poking leg is positioned at the rear of the rotating shaft, the blocking leg is positioned in front of the rotating shaft, the front end face of the blocking leg is a straight face perpendicular to the upper end face of the swing rod, and the rear end face of the blocking leg is an inclined face intersecting the upper end face of the swing rod to form a certain angle; an upper locating plate with the front end inclined upwards is arranged on a fixed frame above the rotating shaft, a magnetic block is arranged on the lower surface of the upper locating plate, a lower locating plate is arranged on the fixed frame in front of the rotating shaft, and the lower end face of the limiting rod is just put on the lower locating plate when the upper end face of the swing rod is in a horizontal state; the lower end surface of the blocking leg is positioned below the poking leg; when the upper end face of the limiting rod is attached to the upper positioning plate, the lower end face of the blocking leg is slightly higher than the lower end face of the poking leg.

Compared with the prior art, the safety protection device for the maintenance channel between the movable frames has the following advantages: the movable support comprises a fixed frame fixed with a movable support body, a rotating shaft is arranged near the lower part of the fixed frame, a swing rod is arranged on the rotating shaft, the swing rod comprises a poking leg positioned at the rear, a blocking leg positioned in front of the poking leg and a limiting rod positioned in front of the blocking leg, the poking leg is positioned at the rear of the rotating shaft, the blocking leg is positioned in front of the rotating shaft, the front end face of the blocking leg is a straight face perpendicular to the upper end face of the swing rod, and the rear end face of the blocking leg is an inclined face intersecting the upper end face of the swing rod to form a certain angle; an upper locating plate with the front end inclined upwards is arranged on a fixed frame above the rotating shaft, a magnetic block is arranged on the lower surface of the upper locating plate, a lower locating plate is arranged on the fixed frame in front of the rotating shaft, when the upper end face of the swing rod is in a horizontal state, the lower end face of the limit rod is just put on the lower locating plate, and the lower end face of the blocking leg is positioned below the poking leg; when the upper end face of the limiting rod is attached to the upper positioning plate, the lower end face of the blocking leg is slightly higher than the lower end face of the poking leg, the fixed frame is fixed with one of the movable frame bodies, a blocking block is arranged on the other frame body opposite to the movable frame body, after the two frame bodies are separated, maintenance personnel operate between the two frame bodies, at the moment, the upper end face of the swing rod is in a horizontal state, the lower end face of the limiting rod is just attached to the lower positioning plate, the front end face of the blocking leg abuts against the blocking block, the movable frame body cannot move forwards, and the problem that the maintenance personnel are injured by extrusion caused by the opposite movement of the two frame bodies due to misoperation is avoided; after maintenance is completed, an operator lifts the limiting rod to enable the limiting rod to be attached to the upper positioning plate, at the moment, the lower ends of the blocking legs swing forwards and upwards, the lower ends of the blocking legs exceed the upper ends of the blocking blocks, the lower ends of the poking legs move downwards, the lower ends of the poking legs are lower than the blocking blocks, in the frame body advancing process, the blocking legs pass through the upper sides of the blocking blocks, the lower ends of the poking legs are blocked by the blocking blocks to drive the swinging rods to rotate around the rotating shafts, the limiting rod is separated from the upper positioning plate, the limiting rod falls on the upper sides of the lower positioning plate, at the moment, the blocking legs pass through the blocking blocks, the lower ends of the poking legs swing upwards, the lower ends of the poking legs exceed the blocking blocks, and two frame bodies are combined together; when maintenance is needed, the movable frame body is pushed backwards, the lower ends of the poking legs are higher than the blocking blocks at the moment, the poking legs pass over the blocking blocks, after the rear end faces of the blocking legs touch the blocking blocks, the blocking legs drive the swinging rods to rotate around the rotating shafts, the limiting rods are attached to the upper locating plates, the lower ends of the poking legs are lifted up and exceed the blocking blocks, when maintenance is needed, operators push down the limiting rods from the upper locating plates, the limiting rods are located on the lower locating plates, at the moment, the front faces of the blocking legs are propped against the rear of the blocking blocks, and the two frame bodies cannot move relatively.

Drawings

FIG. 1 is a schematic view of a structure of a safety device for maintaining a passage between moving frames when a limit rod is combined with an upper positioning plate;

FIG. 2 is a schematic side view of FIG. 1;

FIG. 3 is a schematic view of the use state of the maintenance channel safety device between the movable frames in FIG. 1;

FIG. 4 is a schematic view of the structure of the safety device for maintaining a passage between moving frames when the limit rod is combined with the lower positioning plate;

FIG. 5 is a schematic side view of FIG. 3;

fig. 6 is a schematic view illustrating a usage state of the maintenance channel safety device between the movable frames in the state of fig. 3.

Description of the embodiments

The structure and the use principle of the safety protection device for the maintenance channel between the movable frames of the utility model are further described in detail below with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, 2, 3, 4, 5 and 6, the structure schematic diagram of the inter-moving-frame maintenance channel safety protection device of the utility model comprises a fixed frame 1 fixed with a moving frame, a rotating shaft 2 is arranged near the lower part of the fixed frame 1, a swinging rod 3 is arranged on the rotating shaft 2, the swinging rod 3 comprises a stirring leg 31 positioned at the rear, a blocking leg 32 positioned in front of the stirring leg 31 and a limiting rod 33 positioned in front of the blocking leg 32, the stirring leg 31 is positioned at the rear of the rotating shaft 2, the blocking leg 32 is positioned in front of the rotating shaft 2, the front end face of the blocking leg 32 is a straight face perpendicular to the upper end face of the swinging rod 3, and the rear end face of the blocking leg 32 is an inclined face intersecting the upper end face of the swinging rod 3 to form a certain angle; an upper positioning plate 4 with the front end inclined upwards is arranged on a fixed frame 1 above a rotating shaft 2, a magnetic block 5 is arranged on the lower surface of the upper positioning plate 4, a lower positioning plate 6 is arranged on the fixed frame 1 in front of the rotating shaft 2, when the upper end surface of a swinging rod 3 is in a horizontal state, the lower end surface of a limiting rod 33 is just put on the lower positioning plate 6, and the lower end surface of a blocking leg 32 is positioned below a poking leg 31; when the upper end surface of the limit rod 33 is attached to the upper positioning plate 4, the lower end surface of the blocking leg 32 is slightly higher than the lower end surface of the poking leg 31.

Fixing the fixing frame 1 with one of the movable frame bodies, arranging a blocking block 8 on the other frame body 7 opposite to the movable frame body, separating the two frame bodies, and then operating between the two frame bodies by a maintainer, wherein the upper end face of the swing rod 3 is in a horizontal state, the lower end face of the limiting rod 33 is just put on the lower positioning plate 6, the front end faces of the blocking legs 33 are abutted against the blocking block 8, and the movable frame body cannot move forwards, so that the situation that the maintainer is injured by opposite movement of the two frame bodies due to misoperation is avoided; after maintenance is completed, an operator lifts the limiting rod 33 so that the limiting rod 33 is attached to the upper positioning plate 4, at the moment, the lower end of the blocking leg 32 swings forwards and upwards, the lower end of the blocking leg 32 exceeds the upper end of the blocking block 8, the lower end of the poking leg 31 moves downwards, the lower end of the poking leg 31 is lower than the blocking block 8, in the frame body advancing process, the blocking leg 32 passes through the upper part of the blocking block 8, the lower end of the poking leg 31 is blocked by the blocking block 8, the swinging rod 3 is driven to rotate around the rotating shaft 2, the limiting rod 33 is separated from the upper positioning plate 4, the limiting rod 33 falls on the upper part of the lower positioning plate 6, at the moment, the blocking leg 32 is beyond the blocking block 8, the lower end of the poking leg 31 swings upwards, the lower end of the poking leg 31 exceeds the blocking block 8, and two frame bodies are combined together; when maintenance is needed, the movable frame body is pushed backwards, the lower ends of the poking legs 31 are higher than the blocking blocks 8 at the moment, the poking legs 31 pass over the blocking blocks 8, after the rear end faces of the blocking legs 32 touch the blocking blocks 8, the blocking legs 32 drive the swinging rods 3 to rotate around the rotating shafts 2, the limiting rods 33 are attached to the upper positioning plates 4, the lower ends of the poking legs 31 are lifted up and exceed the blocking blocks 8, the whole fixing frame retreats from the blocking blocks 8, when maintenance is needed, operators press the limiting rods 33 from the upper positioning plates 4, the limiting rods 33 are located on the lower positioning plates 6, at the moment, the front faces of the blocking legs 32 are propped against the rear of the blocking blocks 8, and the two frame bodies cannot move relatively.

The protection scope of the present utility model is not limited to the above embodiments, and falls within the protection scope of the present utility model as long as the structure is the same as or similar to the structure of the safety protection device for the maintenance channel between the moving frames of the present utility model.

Claims (1)

1. Maintenance channel safety device between mobile frame body, its characterized in that: the movable support comprises a fixed frame fixed with a movable support body, a rotating shaft is arranged near the lower part of the fixed frame, a swing rod is arranged on the rotating shaft, the swing rod comprises a poking leg positioned at the rear, a blocking leg positioned in front of the poking leg and a limiting rod positioned in front of the blocking leg, the poking leg is positioned at the rear of the rotating shaft, the blocking leg is positioned in front of the rotating shaft, the front end face of the blocking leg is a straight face perpendicular to the upper end face of the swing rod, and the rear end face of the blocking leg is an inclined face intersecting the upper end face of the swing rod to form a certain angle;

an upper locating plate with the front end inclined upwards is arranged on a fixed frame above the rotating shaft, a magnetic block is arranged on the lower surface of the upper locating plate, a lower locating plate is arranged on the fixed frame in front of the rotating shaft, and the lower end face of the limiting rod is just put on the lower locating plate when the upper end face of the swing rod is in a horizontal state; the lower end surface of the blocking leg is positioned below the poking leg;

when the upper end face of the limiting rod is attached to the upper positioning plate, the lower end face of the blocking leg is slightly higher than the lower end face of the poking leg.