CN220011789U

CN220011789U - Reciprocating elevator

Info

Publication number: CN220011789U
Application number: CN202321574119.0U
Authority: CN
Inventors: 冷再安; 杨立; 赵骏; 刘春雷; 任俊
Original assignee: Chengdu Xintai Technology Co ltd
Current assignee: Chengdu Xintai Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-11-14
Anticipated expiration: 2033-06-19

Abstract

The utility model provides a reciprocating elevator, which comprises a frame component and a lifting component arranged on the frame component; the lifting assembly comprises a lift car, braking devices are arranged on two sides of the lift car, a plurality of chains are further arranged at the top end of the lift car, each chain is connected with a transmission device, the transmission devices are arranged at the top end of the frame assembly, and telescopic forks are further arranged in the lift car; the frame assembly includes a frame assembly and brake rails mounted on both sides of the frame assembly. According to the lifting machine disclosed by the utility model, the automatic acquisition and the unloading of the goods are completed through the extension and retraction of the fork, and then the lifting assembly is driven by the transmission device to move so as to complete the lifting of the goods, and the whole process is automatically, quickly and effectively completed through electrical control.

Description

Reciprocating elevator

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a reciprocating type lifting machine.

Background

The elevator is a large mechanical device for transportation by changing potential energy, such as a mine elevator, a dam passing elevator and the like. Broadly, elevators, crown blocks, hoists, car stables, cranes, hoist, etc. may be referred to as hoists. The hoisting machine generally refers to large-scale mechanical equipment with higher power and higher hoisting capacity, and the hoisting machine drags a flexible part steel wire rope and transported goods to move up and down through a power machine to finish the transportation process. The hoist may be classified into a bucket hoist, a multifunctional hoist, a winding hoist, a friction hoist, a built-in hoist, a well tower hoist, and a multi-rope friction hoist.

In the prior art, the elevator is in the process of completing the cargo transportation, the cargo is required to be installed on the elevator manually in advance, then the elevator is used for completing the lifting of the cargo, and finally the cargo is removed manually. The automatic acquisition and the unloading of goods can not be realized by the elevator in the whole transportation process, so that the use of manpower and material resources is increased, and the working efficiency of the elevator is reduced.

Disclosure of Invention

The utility model aims to provide a reciprocating elevator which is used for solving the technical problem that the elevator in the prior art cannot automatically acquire and unload cargoes.

To achieve the above object, in one embodiment of the present utility model, there is provided a reciprocating elevator including a frame assembly and a lifting assembly mounted on the frame assembly;

the lifting assembly comprises a lift car, braking devices are arranged on two sides of the lift car, a plurality of chains are further arranged at the top end of the lift car, each chain is connected with a transmission device, the transmission devices are arranged at the top end of the frame assembly, and telescopic forks are further arranged in the lift car;

the frame assembly includes a frame assembly and brake rails mounted on both sides of the frame assembly.

Preferably, the car is provided with the leading wheel subassembly near the both sides of braking guide rail, and the leading wheel subassembly includes positive leading wheel subassembly and side leading wheel subassembly.

Preferably, the braking device comprises a mounting plate and a safety clamp mounted on the mounting plate, the safety clamp is connected with a connecting rod, the connecting rod is connected with a spring pull rod, the spring pull rod is connected with the safety clamp, and the safety clamp is also connected with a brake cable.

Preferably, one end of the frame component, which is close to the car, is provided with a speed limiting device, and the speed limiting device comprises a speed limiting pulley and a speed limiter connected with the speed limiting pulley through a brake steel wire rope; the frame component is also provided with a drag chain groove, a drag chain is arranged in the drag chain groove, and one end of the drag chain is connected with the lift car.

Preferably, one side of the frame assembly is provided with a counterweight assembly, the counterweight assembly comprises a mounting frame and a plurality of balancing weights arranged on the mounting frame, one end of the mounting frame, which is close to the transmission device, is provided with a plurality of pull rods, and a plurality of guide shoes are further arranged on the mounting frame.

Preferably, the fork comprises two telescopic links connected, wherein a driving motor is connected to one telescopic link, the driving motor is connected with a gear shaft, the gear shaft is connected with the other telescopic link, the telescopic link comprises a fixed end, and the fixed end is connected with a plurality of sections of telescopic arms.

Preferably, the upper end and the lower end of the brake guide rail are both provided with anti-collision limiting blocks.

Preferably, the transmission device comprises a bracket, a motor reducer is arranged on the bracket, the motor reducer is connected with a main transmission shaft, a driving wheel is arranged on the main transmission shaft, the driving wheel is connected with a driven wheel through a chain, and the driven wheel is arranged on the driven shaft.

Preferably, a plurality of travel switches are arranged on the frame assembly, and each travel switch is fixed on the frame assembly through a connecting frame.

In summary, the utility model has the beneficial effects that:

1. according to the lifting machine disclosed by the utility model, the goods are obtained through the extension and retraction of the fork, and then the lifting assembly is driven to move through the transmission device, so that the goods are lifted, and the goods are unloaded through the extension and retraction of the fork after the goods are lifted. The lifting of the whole hoister is automatically controlled by an electric program, and is automatically and effectively completed at high speed.

2. The reciprocating elevator disclosed by the utility model realizes the work of automatically acquiring, vertically lifting and automatically unloading cargoes; meanwhile, the elevator disclosed by the utility model has the advantages of simple structure, simplicity and convenience in operation, rapidness and high efficiency in completing goods taking and unloading and saving manpower and material resources.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a frame assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a lifting assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a transmission according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a speed limiting device according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a counterweight assembly according to one embodiment of the utility model;

FIG. 7 is a schematic diagram of a fork in accordance with one embodiment of the present utility model;

FIG. 8 is a schematic diagram of a travel switch according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of a drag chain in accordance with one embodiment of the present utility model;

fig. 10 is a schematic view showing the structure of a hollow rail in a counterweight assembly according to an embodiment of the utility model.

The device comprises a 1-frame component, a 2-lifting component, a 3-car, a 4-braking device, a 5-chain, a 6-transmission device, a 7-fork, a 8-frame component, a 9-braking guide rail, a 10-side guide wheel component, a 11-front guide wheel component, a 12-safety clamp, a 13-connecting rod, a 14-spring pull rod, a 15-brake cable, a 16-speed limiting device, a 17-speed limiting pulley, a 18-speed limiter, a 19-drag chain groove, a 20-counterweight component, a 21-mounting rack, a 22-balancing weight, a 23-pull rod, a 24-guide shoe, a 25-telescopic rod, a 26-driving motor, a 27-gear shaft, a 28-fixed end, a 29-telescopic arm, a 30-anti-collision limiting block, a 31-bracket, a 32-motor speed reducer, a 33-driving transmission shaft, a 34-driving wheel, a 35-driven wheel, a 36-driven shaft, a 37-travel switch and a 38-brake wire rope.

Detailed Description

The utility model provides a reciprocating elevator, which comprises a frame assembly 1 and a lifting assembly 2 arranged on the frame assembly 1, wherein the lifting assembly 2 is used for completing lifting of a lift car 3.

The frame assembly 1 comprises a frame assembly 8 and brake guide rails 9 arranged on two sides of the frame assembly 8, wherein the frame assembly 8 is formed by welding steel profiles, frames on the same side are directly connected by bolts, and the frames on two sides are connected by a plurality of support assemblies in the middle. The upper and lower ends of the brake guide rail 9 are provided with anti-collision limiting blocks 30, and the anti-collision limiting blocks 30 play a limiting role on the car 3, so that the car 3 or a motor and the like are prevented from being damaged due to falling or lifting to upper and lower limiting positions when the car 3 moves abnormally. The frame assembly 8 is provided with a drag chain groove 19, a drag chain is arranged in the drag chain groove 19, one end of the drag chain is connected with the car 3, and the drag chain is used for protecting and dragging cables in the lifting process of the car 3.

The hoisting assembly 2 comprises a car 3, and brake devices 4 are arranged on both sides of the car 3, and the brake devices 4 are used together with a speed limiting device 16, which is described below, to perform emergency braking when overspeed or other emergency occurs in the car 3. The braking device 4 comprises a mounting plate and a safety gear 12 mounted on the mounting plate, the safety gear 12 is connected with a connecting rod 13, the connecting rod 13 is connected with a spring pull rod 14, the spring pull rod 14 is connected with the safety gear 12, and the safety gear 12 is also connected with a brake cable 15. When the working principle of the braking device 4 is that the car 3 exceeds the set speed of the speed limiter 18, a pressing plate in the speed limiter 18 is triggered to clamp the wheels of the speed limiter 18, when the car 3 does not stop, the steel wire rope pulls the connecting rod 13 and the spring pull rod 14 connected with the safety tongs 12, the clamping block of the safety tongs 12 is triggered, and the safety tongs 12 are clamped, so that braking is realized. The brake cable 15 is connected with the safety gear 12 on the other side, and the safety gear 12 on the other side also acts simultaneously during braking.

The top of the car 3 is also provided with a plurality of chains 5, each chain 5 is connected with a transmission device 6, and the transmission devices 6 are arranged at the top of the frame assembly 1. The transmission device 6 comprises a bracket 31, a motor reducer 32 is arranged on the bracket 31, the motor reducer 32 is connected with a main transmission shaft 33, a driving wheel 34 is arranged on the main transmission shaft 33, the driving wheel 34 is connected with a driven wheel 35 through a chain 5, the driven wheel 35 is arranged on a driven shaft 36, and the driven shaft 36 and the driving shaft are both fixed on the bracket 31 through bearings. The transmission device 6 drives the chain 5 to transmit through the motor speed reducer 32, and then drives the car 3 to stably lift.

The inside telescopic fork 7 that still is provided with of car 3, fork 7 include two telescopic links 25 that are connected, are connected with driving motor 26 on one of them telescopic link 25, and driving motor 26 is connected with gear shaft 27, and gear shaft 27 is connected with another telescopic link 25, and telescopic link 25 includes stiff end 28, and stiff end 28 is connected with a plurality of sections telescopic arm 29. Wherein the fixed end 28 is arranged on the frame of the lift car 3, each telescopic rod 25 comprises three sections of telescopic arms 29, the fork 7 drives the gear shaft 27 to rotate through the driving motor 26, and racks in the telescopic arms 29 are driven to control the extension and retraction of the fork 7.

The car 3 gets and puts goods terminal surface and installs goods detection device, when detecting that the goods has been parked in appointed position, car 3 receives the instruction of getting goods, stretches out fork 7 and gets goods. The fork 7 is stopped when extending to the appointed position of the lower end of the cargo frame, the lift car 3 is lifted for a certain distance, the cargo frame is lifted by the fork 7 to be completely separated from the ground for a certain distance, the interior of the lift car 3 is retracted, and the lift car is lifted upwards to a unloading point after being stopped.

After reaching the unloading point and detecting that the unloading point has no cargoes, the fork 7 extends out of the car 3, the cargoes are sent to the appointed position, the car 3 descends for a certain distance again, the cargoes on the fork 7 fall to the ground, the fork 7 is completely separated from the cargoes, and the fork 7 is retracted again to be stopped in the car 3 to prepare for next-round taking and unloading.

The car 3 is provided with guide wheel assemblies on both sides near the brake rail 9, the guide wheel assemblies comprising a front guide wheel assembly 11 and a side guide wheel assembly 10. A guide wheel assembly is provided to facilitate movement of the car 3.

The end of the frame assembly 8 near the car 3 is provided with a speed limiter 16, the speed limiter 16 comprising a speed limiter pulley 17 and a speed limiter 18 connected to the speed limiter pulley 17 by a brake cable 38. The speed limiting device 16 plays a role of forced interception when the car 3 is overspeed and exceeds a limit position.

One side of the frame assembly 8 is provided with a counterweight assembly 20, the counterweight assembly 20 comprises a mounting frame 21 and a plurality of counterweights 22 arranged on the mounting frame 21, one end of the mounting frame 21, which is close to the transmission device 6, is provided with a plurality of pull rods 23, the pull rods 23 are used for installing chains and are connected with the lift car 3, and the connecting part of the lift car 3 and the counterweight assembly 20 is also connected with the chains through the pull rods 23. The mounting frame 21 is also provided with a number of guide shoes 24 for the chain 5. The arrangement is used for balancing the car 3 during lifting and lowering. The frame assembly 8 is also provided with a drag chain groove 19, a drag chain is arranged in the drag chain groove 19, one end of the drag chain is connected with the car 3, and the drag chain has the functions of safety guarantee and cable traction.

The frame assembly 8 is provided with a plurality of travel switches 37, and each travel switch 37 is fixed on the frame assembly 8 through a connecting frame. The travel switches 37 are located at the lowest and highest positions of the travel of the car 3, and two at each position, for determining whether the car 3 reaches a specified pick-up point or drop-off point.

Working principle and process: according to the lifting machine disclosed by the utility model, the goods are obtained through the extension and retraction of the fork 7, and then the lifting assembly 2 is driven to move through the transmission device 6, so that the goods are lifted, and the goods are unloaded through the extension and retraction of the fork 7 after the goods are lifted.

The elevator of the utility model utilizes the bidirectional telescopic fork 7 arranged on the lift car 3, after reaching a designated goods taking point, the fork 7 stretches out from the lift car 3, and after acquiring materials, the fork 7 carries goods and is retracted into the lift car 3; after reaching the specified position of goods, the goods are placed to the specified unloading point by the telescopic fork 7 carrying the extended lift car 3, then the fork 7 is retracted into the lift car 3 again to the goods taking point, and the cycle is repeated.

Although specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.

Claims

1. A reciprocating elevator, characterized in that: comprises a frame component and a lifting component arranged on the frame component;

the frame assembly comprises a frame assembly and brake guide rails arranged on two sides of the frame assembly.

2. A reciprocating elevator as defined in claim 1, wherein: the car is close to the both sides of braking guide rail and is provided with the leading wheel subassembly, the leading wheel subassembly includes positive leading wheel subassembly and side leading wheel subassembly.

3. A reciprocating elevator as defined in claim 1, wherein: the braking device comprises a mounting plate and a safety clamp mounted on the mounting plate, wherein the safety clamp is connected with a connecting rod, the connecting rod is connected with a spring pull rod, the spring pull rod is connected with the safety clamp, and the safety clamp is further connected with a brake cable.

4. A reciprocating elevator as defined in claim 1, wherein: the speed limiting device comprises a speed limiting pulley and a speed limiter connected with the speed limiting pulley through a brake steel wire rope; the frame assembly is further provided with a drag chain groove, a drag chain is arranged in the drag chain groove, and one end of the drag chain is connected with the car.

5. A reciprocating elevator as defined in claim 1 or 4, wherein: one side of frame subassembly is provided with the counter weight subassembly, the counter weight subassembly includes the mounting bracket and installs a plurality of balancing weights on the mounting bracket, the one end that the mounting bracket is close to transmission is provided with a plurality of pull rods, still is provided with a plurality of guide shoes on the mounting bracket.

6. A reciprocating elevator as defined in claim 1, wherein: the fork comprises two telescopic rods connected with each other, wherein a driving motor is connected to one telescopic rod, the driving motor is connected with a gear shaft, the gear shaft is connected with the other telescopic rod, the telescopic rod comprises a fixed end, and the fixed end is connected with a plurality of sections of telescopic arms.

7. A reciprocating elevator as defined in claim 1, wherein: and anti-collision limiting blocks are arranged at the upper end and the lower end of the brake guide rail.

8. A reciprocating elevator as defined in claim 1, wherein: the transmission device comprises a support, a motor reducer is mounted on the support, the motor reducer is connected with a main transmission shaft, a driving wheel is arranged on the main transmission shaft and is connected with a driven wheel through a chain, and the driven wheel is mounted on the driven shaft.

9. A reciprocating elevator as defined in claim 1, wherein: the frame assembly is provided with a plurality of travel switches, and each travel switch is fixed on the frame assembly through a connecting frame.