CN214879396U

CN214879396U - Bidirectional blocking device of elevator

Info

Publication number: CN214879396U
Application number: CN202121071125.5U
Authority: CN
Inventors: 张荣卫; 田贵磊; 张自忠; 刘煜; 吴泽南
Original assignee: Huzhou Deao Machinery Equipment Co ltd
Current assignee: Huzhou Deao Machinery Equipment Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-26
Anticipated expiration: 2031-05-19

Abstract

A bidirectional blocking device of a hoisting machine belongs to the technical field of hoisting machines. The utility model discloses a locate lifting machine car and carry locating plate and blocking mechanism between the platform, blocking mechanism includes the support frame, rotate the baffle of connecting in the support frame upper end, rotate the head rod of connecting in the support frame lower extreme, both ends rotate the second connecting rod of connecting in baffle tip and head rod tip respectively, locate the support piece of head rod and second connecting rod junction, locate the reset torsion spring that head rod and support frame rotated the junction, the connecting rod axle between the one end conflict head rod of reset torsion spring and the second connecting rod. The utility model discloses stop the effect reliable and stable, remove the action that blocks simultaneously and stabilize high-efficient, can effectively ensure the security and the work efficiency of lifting machine.

Description

Bidirectional blocking device of elevator

Technical Field

The utility model relates to a lifting machine technical field especially relates to a two-way stop device of lifting machine.

Background

The existing external conveying line of the elevator mainly uses a photoelectric sensor to sense the position of goods, so that the goods are stopped at a proper position by controlling the stop rotation of a motor through a program. However, the structure has high requirements on the photoelectric sensor, and when the photoelectric sensor breaks down, goods can be flushed into the lifter due to no other protection measures, so that loss and damage are caused.

At present, some mechanical blocking mechanisms are also provided, for example, a chinese utility model patent with patent number ZL202022164449.5 discloses a blocking link mechanism for a hoist, which comprises a hoist frame, a blocking link, a container lifting frame, a collision block, a car and a rotating shaft; the cargo box lifting frame is arranged in the elevator frame and is vertically arranged; the lift car is arranged in the cargo box lifting frame in a sliding mode and can lift along the vertical direction; the blocking connecting rod is rotatably arranged on the lift frame through a rotating shaft and is positioned on one side, facing the cargo box lifting frame, of the lift frame; the blocking connecting rod comprises an impact section and a gravity section which are integrally arranged, and an included angle between the impact section and the gravity section is an obtuse angle; the rotating shaft is positioned at the joint of the impact section and the gravity section; the collision block is vertically arranged at the end part of the lift car and points to the elevator frame; the collision block is positioned right above the collision section. But this structure only relies on the dead weight that blocks the connecting rod to reset, and the car probably causes the connecting rod that blocks to take place the rotation in the motion process to influence its stability of blockking the effect, cause the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that above-mentioned prior art exists, provide a two-way stop device of lifting machine, it blocks the effect reliable and stable, removes the stable high efficiency of action that blocks simultaneously, can effectively ensure the security and the work efficiency of lifting machine.

The utility model aims at realizing through the following technical scheme:

the utility model provides a two-way stop device of lifting machine, is including locating the locating plate and the block mechanism between lifting machine car and the transport platform, block mechanism includes the support frame, rotates the baffle of connecting in the support frame upper end, rotates the head rod, both ends of connecting in the support frame lower extreme and rotate respectively and connect in the second connecting rod of baffle tip and head rod tip, locate the butt piece of head rod and second connecting rod junction, locate the reset torsion spring that head rod and support frame rotated the junction, the one end of reset torsion spring is contradicted link shaft between head rod and the second connecting rod.

The utility model discloses a theory of operation: when the elevator car is not flush with the conveying platform, namely the positioning plate does not push or does not completely push the pushing part, the blocking mechanism is in a reset state under the action of the reset torsion spring on the connecting rod shaft, namely the two connecting rods are in a relatively vertical state, and the baffle is in an extending state under the supporting action of the two connecting rods, namely the end part of the baffle extends out of the upper end of the supporting frame, so that the function of blocking goods is achieved; when the elevator car and carry the platform parallel and level, the locating plate promotes completely promptly and supports the pushing member, supports the pushing member and is driving the connecting rod axle and overcome the power of torsional spring and press the connecting rod axle to one side, and two connecting rods are in the state of buckling relatively this moment, and the baffle is in the shrink state under the pulling effect of two connecting rods, and the tip of baffle contracts in the support frame promptly to make the goods can be smoothly from carrying the platform entering lifting machine, or carry the platform from the lifting machine entering.

As the utility model discloses it is preferred, the support frame includes the riser, locates the riser lower part and is close to the connecting plate of locating plate one side, locate the connecting plate is kept away from the limiting plate of riser one end, the connecting rod axle is located between riser and the limiting plate. The structure is simple and reasonable, the movable range of the connecting rod shaft is limited by the vertical plate and the limiting plate, and the stability of the action of the blocking mechanism is ensured; wherein, the baffle rotates to be connected in the upper end of riser, and the head rod rotates to be connected on the connecting plate.

As the utility model discloses it is preferred, the tie point of head rod and support frame is located the connecting plate is close to one side of limiting plate, the tie point of baffle and second connecting rod is apart from the distance of riser is less than the limiting plate is apart from the distance of riser. The structure makes stop mechanism when the reset state, and the connecting rod axle is compared in the tie point of head rod and support frame, and the tie point of second connecting rod and baffle all is close to the limiting plate more, and two connecting rods are in the structure of buckling of tie point towards the limiting plate promptly for the unable one side removal that makes the connecting rod axial riser of power that the goods was used in on the baffle moves, and only can increase the pressure between the tie point of two connecting rods and the limiting plate, thereby ensures the reliability that blocks.

As the utility model discloses it is preferred, the support frame is still including locating the mounting panel of riser, connecting plate and limiting plate bottom one side to and locate the mounting panel with the torsional spring fixed plate of connecting plate opposite side, the reduction torsion spring is located between connecting plate and the torsional spring fixed plate. The mounting panel is used for installing whole carriage in lifting machine car or carries the platform, and the torsional spring fixed plate then provides a reliable installation space for the reset torsion spring to avoid taking place to interfere with the external world.

As the utility model discloses it is preferred, support frame, baffle, head rod and second connecting rod have two sets of relative settings, support and push away the piece and locate between two sets of connecting rods. The structure effectively improves the structural strength and the action stability of the whole blocking mechanism.

As the utility model discloses preferably, the locating plate orientation both sides all are equipped with the bevel edge of direction about the one end of barrier mechanism, support the pushing away and specifically be the gyro wheel. The structure improves the matching smoothness of the positioning plate and the abutting part, and the roller is gradually pushed through the bevel guiding edge.

As the utility model discloses it is preferred, the baffle is including the stop part and the swing portion of buckling the connection, the department of buckling of baffle rotates the connection the support frame, the swing portion is kept away from the one end of stop part is equipped with the counterweight. The swing part and the counterweight are used for assisting the reset torsion spring to reset the blocking mechanism, and the reset stability is ensured.

As the utility model discloses it is preferred, the baffle is connected tip one side up of second connecting rod is equipped with the dog, the setting up of dog has avoided the baffle to lift up completely and just can play the effect of blockking, and only needs the baffle to be in the horizontality, can make the dog stretch out the support frame upper end in order to play the effect of blockking, has reduced stop mechanism's action range, has improved the efficiency of action.

As the utility model discloses preferably, the dog is close to one side of locating plate is gone up along being equipped with the hypotenuse, the dog is kept away from one side of locating plate is equipped with the straight flange. Because the baffle is positioned at one side of the rotating connection point of the baffle and the support frame close to the positioning plate in the reset state, the baffle cannot be rotated by the force from the rotating connection point to the direction of the baffle, namely the blocking state of the blocking mechanism cannot be damaged, and one side of the baffle, which is far away from the positioning plate, is set to be a straight edge; and from the dog to rotating tie point direction power be possible to make the baffle upwards rotate to destroy the state of two connecting rods, thereby set up the hypotenuse along setting up the hypotenuse on the dog is close to one side of locating plate, with the horizontal thrust part that probably receives the goods of this side transform into decurrent pressure, with the state that blocks that maintains block mechanism, ensure to block the stability of effect.

Preferably, the positioning plates and the blocking mechanisms are provided with two groups, the two groups of positioning plates and the blocking mechanisms are arranged in opposite directions, namely the positioning plate of the first group is arranged on the lift car, and the blocking mechanism is arranged on the conveying table; the locating plate of second group sets up on carrying the platform, and stop gear sets up on the car to the effect of blockking of whole blocking device to the goods of different direction of delivery has further been ensured.

The utility model has the advantages that:

1. the blocking effect on the goods is stable and reliable, and the action of removing the blocking is stable and efficient, so that the safety and the working efficiency of the hoister can be effectively ensured;

2. the blocking mechanism can bear the impact of goods from two sides in a blocking state, so that the blocking effect is stably kept;

3. the bevel edge structure of the positioning plate is matched with the roller, so that the triggering action of the blocking mechanism is efficient and stable;

4. the bevel edge structure of the stop block effectively ensures the stability of the blocking state of the blocking mechanism;

5. two sets of locating plates and blocking mechanism that set up on the contrary have further ensured that whole blocking device blocks the effect to the goods of different direction of delivery.

Drawings

Fig. 1 is a schematic structural view of a two-way blocking device of a hoist in a release state according to the present invention;

fig. 2 is a schematic structural view of a blocking state of a bidirectional blocking device of the elevator of the present invention;

FIG. 3 is a schematic perspective view of FIG. 2;

FIG. 4 is a schematic structural view of the installation state of the present invention;

in the figure: 1-positioning a plate; 21-a support frame; 211-a vertical plate; 212-a connecting plate; 213-limiting plate; 214-a mounting plate; 215-torsion spring fixing plate; 22-a baffle; 221-a blocking portion; 222-a swing part; 223-a counterweight; 224-a stop; 23-a first connecting rod; 24-a second connecting rod; 25-a pushing part; 26-a return torsion spring; 27-link shaft.

Detailed Description

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

The utility model provides a two-way stop device of lifting machine, is including locating 1 and the block mechanism of locating plate between 3 and the transport platform 4 of lifting machine car, block mechanism includes support frame 21, rotates the baffle 22 of connecting in support frame 21 upper end, rotates the head rod 23 of connecting in support frame 21 lower extreme, both ends rotate respectively and connect in the second connecting rod 24 of baffle 22 tip and head rod 23 tip, locate the piece 25 that pushes away that supports of head rod 23 and second connecting rod 24 junction, locate the reset torsion spring 26 that head rod 23 and support frame 21 rotated the junction, reset torsion spring 26's one end is contradicted link shaft 27 between head rod 23 and the second connecting rod 24. The supporting frame 21, the baffle 22, the first connecting rod 23 and the second connecting rod 24 are oppositely arranged, and the pushing member 25 is arranged between the two groups of connecting rods, so that the structural strength and the action stability of the whole blocking mechanism are improved. The upper side and the lower side of one end, facing the blocking mechanism, of the positioning plate 1 are provided with the guiding bevel edges, the pushing piece 25 is specifically a roller, the structure improves the smoothness of the matching of the positioning plate and the pushing piece, and the roller is gradually pushed through the guiding bevel edges.

Specifically, the supporting frame 21 includes a vertical plate 211, a connecting plate 212 disposed at a lower portion of the vertical plate 211 and close to one side of the positioning plate 1, and a limiting plate 213 disposed at an end of the connecting plate 212 far from the vertical plate 211, wherein the connecting rod shaft 27 is disposed between the vertical plate 211 and the limiting plate 213. The structure is simple and reasonable, the movable range of the connecting rod shaft is limited by the vertical plate and the limiting plate, and the stability of the action of the blocking mechanism is ensured; the baffle 22 is rotatably connected to the upper end of the vertical plate 211, and the first connecting rod 23 is rotatably connected to the connecting plate 212. The connection point of the first connection rod 23 and the support frame 21 is disposed on one side of the connection plate 212 close to the limiting plate 213, and the distance from the connection point of the baffle 22 and the second connection rod 24 to the vertical plate 211 is smaller than the distance from the limiting plate 213 to the vertical plate 211. The structure makes stop mechanism when the reset state, and the connecting rod axle is compared in the tie point of head rod and support frame, and the tie point of second connecting rod and baffle all is close to the limiting plate more, and two connecting rods are in the structure of buckling of tie point towards the limiting plate promptly for the unable one side removal that makes the connecting rod axial riser of power that the goods was used in on the baffle moves, and only can increase the pressure between the tie point of two connecting rods and the limiting plate, thereby ensures the reliability that blocks. The supporting frame 21 further includes a mounting plate 214 disposed at one side of the bottom of the vertical plate 211, the connecting plate 212 and the limiting plate 213, and a torsion spring fixing plate 215 disposed at the opposite side of the mounting plate 214 and the connecting plate 212, and the reset torsion spring 26 is disposed between the connecting plate 212 and the torsion spring fixing plate 215. The mounting panel is used for installing whole carriage in lifting machine car or carries the platform, and the torsional spring fixed plate then provides a reliable installation space for the reset torsion spring to avoid taking place to interfere with the external world.

In addition, the baffle 22 comprises a blocking part 221 and a swinging part 222 which are connected in a bending way, the bending part of the baffle 22 is rotatably connected with the supporting frame 21, and one end of the swinging part 222, which is far away from the blocking part 221, is provided with a counterweight 223. The swing part and the counterweight are used for assisting the reset torsion spring to reset the blocking mechanism, and the reset stability is ensured.

Furthermore, one side of the baffle 22, which is connected with the second connecting rod 24 and faces upwards, is provided with a stop block 224, the stop block is arranged to prevent the baffle from being lifted completely, and the stop block can extend out of the upper end of the support frame to play a role in blocking only by being in a horizontal state, so that the action range of the blocking mechanism is reduced, and the action efficiency is improved. The upper edge of one side of the stop block 224 close to the positioning plate 1 is provided with a bevel edge, and one side of the stop block 224 far away from the positioning plate 1 is provided with a straight edge. Because the baffle is positioned at one side of the rotating connection point of the baffle and the support frame close to the positioning plate in the reset state, the baffle cannot be rotated by the force from the rotating connection point to the direction of the baffle, namely the blocking state of the blocking mechanism cannot be damaged, and one side of the baffle, which is far away from the positioning plate, is set to be a straight edge; and from the dog to rotating tie point direction power be possible to make the baffle upwards rotate to destroy the state of two connecting rods, thereby set up the hypotenuse along setting up the hypotenuse on the dog is close to one side of locating plate, with the horizontal thrust part that probably receives the goods of this side transform into decurrent pressure, with the state that blocks that maintains block mechanism, ensure to block the stability of effect.

Finally, as shown in fig. 4, the positioning plate 1 and the blocking mechanism are provided in two sets, and the two sets of the positioning plate 1 and the blocking mechanism are arranged in opposite directions, that is, the first set of the positioning plate is arranged on the car, and the blocking mechanism is arranged on the conveying table; the locating plate of second group sets up on carrying the platform, and stop gear sets up on the car to the effect of blockking of whole blocking device to the goods of different direction of delivery has further been ensured.

The working principle of the device is as follows: as shown in fig. 2, when the elevator car is not flush with the conveying table, i.e. the positioning plate does not push or does not completely push the abutting member, the blocking mechanism is in a reset state under the action of the reset torsion spring on the connecting rod shaft, i.e. the two connecting rods are in a relatively vertical state, and the baffle is in an extended state under the supporting action of the two connecting rods, i.e. the end part of the baffle extends out of the upper end of the supporting frame, so as to block goods; as shown in fig. 1, when the elevator car is flush with the conveying table, the positioning plate completely pushes the pushing member, the pushing member drives the connecting rod shaft to overcome the force of the torsion spring to press the connecting rod shaft to one side, at the moment, the two connecting rods are in a relatively bent state, and the baffle is in a contracted state under the pulling action of the two connecting rods, namely, the end part of the baffle is contracted in the supporting frame, so that goods can smoothly enter the elevator from the conveying table or enter the conveying table from the elevator.

The above description is only the specific embodiment of the preferred embodiment of the present invention, and this specific embodiment is based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a two-way stop device of lifting machine, its characterized in that, is including locating the lifting machine car and carrying locating plate and the block mechanism between the platform, block mechanism includes the support frame, rotates the baffle of connecting in the support frame upper end, rotates the head rod, both ends of connecting in the support frame lower extreme and rotate respectively and connect in the second connecting rod of baffle tip and head rod tip, locate the piece that pushes away that supports of head rod and second connecting rod junction, locate the reset torsion spring that head rod and support frame rotated the junction, the one end of reset torsion spring is contradicted link shaft between head rod and the second connecting rod.

2. The bidirectional blocking device for the hoisting machine as claimed in claim 1, wherein the supporting frame comprises a vertical plate, a connecting plate disposed at a lower portion of the vertical plate and close to one side of the positioning plate, and a limiting plate disposed at an end of the connecting plate far from the vertical plate, and the connecting rod shaft is disposed between the vertical plate and the limiting plate.

3. The bidirectional blocking device for the hoisting machine as claimed in claim 2, wherein the connection point of the first connecting rod and the supporting frame is located at a side of the connecting plate close to the limiting plate, and the distance from the connection point of the baffle and the second connecting rod to the vertical plate is smaller than the distance from the limiting plate to the vertical plate.

4. The bidirectional blocking device for the hoisting machine as claimed in claim 2, wherein the support frame further comprises a mounting plate disposed on one side of the bottom of the vertical plate, the connecting plate and the limiting plate, and a torsion spring fixing plate disposed on the opposite side of the mounting plate to the connecting plate, wherein the reset torsion spring is disposed between the connecting plate and the torsion spring fixing plate.

5. The bidirectional blocking device for the hoisting machine as claimed in claim 1, wherein the supporting frame, the blocking plate, the first connecting rod and the second connecting rod are oppositely disposed in two sets, and the pushing member is disposed between the two sets of connecting rods.

6. The bidirectional blocking device for the hoisting machine as claimed in claim 1, wherein the positioning plate has guiding bevel edges on both upper and lower sides of one end thereof facing the blocking mechanism, and the pushing member is a roller.

7. The bidirectional blocking device for the hoisting machine as claimed in claim 1, wherein the blocking plate includes a blocking portion and a swinging portion connected to each other in a bent manner, the supporting frame is rotatably connected to the bent portion of the blocking plate, and a weight member is disposed at an end of the swinging portion away from the blocking portion.

8. The bidirectional blocking device for the hoisting machine as claimed in claim 1, wherein a stopper is provided on the side of the baffle plate facing upward, which is connected to the end of the second connecting rod.

9. The bidirectional blocking device for the hoisting machine as claimed in claim 8, wherein the stopper has a beveled edge on the side thereof adjacent to the positioning plate, and a straight edge on the side thereof away from the positioning plate.

10. The bidirectional blocking device for hoisting machine as claimed in claim 1, wherein there are two sets of positioning plates and blocking mechanisms, and the two sets of positioning plates and blocking mechanisms are disposed in opposite directions.