CN211945820U - Hydraulic anti-falling reciprocating elevator - Google Patents

Abstract

The invention discloses a hydraulic anti-falling reciprocating hoist, which includes a car, an elevator shaft base and an elevator derrick. Track pulleys are installed on the top and bottom four corners of the car, and the vertical inner wall of the elevator derrick is provided with rails. The pulley is slidingly connected to the slideway. The track pulley is installed on the car through an elastic mechanism. The track pulley is slid and pressed against the slideway through the elastic mechanism. There are multiple hydraulic jacking cylinders vertically installed in the elevator shaft base. The hydraulic jacking cylinder The telescopic end of the elevator is vertically connected to the car, the car is provided with an anti-falling mechanism, and the anti-falling mechanism includes a horizontally retractable pressing column, and two sides of the elevator door of the elevator derrick are provided with a vertical direction for clamping the pressing column. Elevator shaft pressing plate; the car provided by the present invention replaces the traditional chain type lifting device through the hydraulic jacking cylinder, which eliminates the possibility of the chain breaking and the car falling, and the elastic track pulley can balance the car.

Description

A hydraulic anti-fall reciprocating hoist

technical field

The utility model particularly relates to a cargo hoist, in particular to a reciprocating hoist with hydraulic pressure drop prevention.

Background technique

Cargo hoists are mostly used for the vertical transportation of goods, mainly for transporting goods. The hoist generally includes an elevator derrick and an interior car. Generally, a chain hoist is installed on the top of the elevator derrick to drive the lift of the car. Chain hoists generally include chains or steel wires. Chains and steel wires are prone to wear and tear. In high-strength cargo transportation environments, steel wires are prone to breakage, and the car falls and other dangerous situations. Therefore, many cargo hoists are also equipped with complex equipment. The anti-fall device and control system have greatly increased the cost of the hoist.

When the external conveyor line of the hoist is loaded with heavy-weight goods in the car, the car is easy to sink and shake under the gravity of the goods, resulting in the inner and outer conveyor lines not being on the same plane. The transmission effect is poor, and on the other hand, it is easy to cause deviation of the contact position of the door between the car and the elevator derrick, so that the car cannot open and close the door or lift normally.

In the actual situation of the cargo hoist, the lifting height of the cargo hoist is generally lower than that of the elevator in the building. Therefore, in view of the above problems, we need a cargo hoist that can prevent the car from falling and falling. machine device.

Utility model content

The purpose of the present invention is to provide a hydraulic anti-falling reciprocating hoist to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

A hydraulic anti-falling reciprocating hoist, comprising a car, an elevator shaft base and an elevator derrick, the elevator derrick is installed on the elevator shaft base, a car is vertically slidably installed in the elevator derrick, and the Track pulleys are installed at the four corners of the top and bottom, and the vertical inner wall of the elevator derrick is provided with a slideway slidingly connected to the track pulley. The track pulley is installed on the car through an elastic mechanism, and the track pulley slides against the elastic mechanism. Pressed on the slideway, a plurality of hydraulic jacking cylinders are vertically installed in the elevator shaft base, the telescopic end of the hydraulic jacking cylinder is vertically fixed with a hydraulic cylinder telescopic rod, and the top end of the hydraulic cylinder telescopic rod is fixed on the car. On the car, the car is provided with an anti-falling mechanism, the anti-falling mechanism includes a laterally retractable pressing column, and two sides of the elevator door of the elevator derrick are provided with an elevator for vertically clamping the pressing column. Well pressure plate.

As a further solution of the present utility model: the top of the car is fixed with an eaves-shaped lifting beam frame, the hydraulic jacking cylinders are located on both sides of the side wall of the elevator derrick, and the hydraulic cylinder telescopic rods are fixed on the lifting beams. The left and right ends of the beam frame.

As a further solution of the present utility model: the inner bottom surface of the car is composed of a plurality of conveying rollers arranged to rotate side by side.

As a further solution of the present utility model: the anti-falling mechanism includes an elevator shaft pressing plate installed on the elevator derrick and a pressing column installed on the car, the pressing column is slidably penetrated in the column barrel, and the column The cylinder is horizontally fixed and installed on both sides of the top of the door of the car through an anti-fall mounting plate. An electric cylinder is installed on the anti-fall mounting plate. The telescopic end of the electric cylinder is fixed with a telescopic rod. The rear end is fixedly connected.

As a further solution of the present invention, a clamping panel is provided on the opposite surface of the elevator shaft abutting plate and the abutting column, and a clamping groove for abutting on the clamping panel is opened on the front end side wall of the abutting column. .

As a further solution of the present utility model: the elastic mechanism includes a pulley frame plate, a sliding seat, a sliding rod and a spring, the track pulley is rotatably fixed between two pulley frame plates, and the two pulley frame plates pass through elastic The pressure plates are fixed and connected in parallel, the pulley frame plate is slidably closed on the opposite two side walls of the sliding seat, a sliding hole is formed through the middle of the sliding seat, and a sliding rod is slidably penetrated in the sliding hole, and the sliding The front end of the rod is fixed on the elastic pressing plate, and the rear end of the sliding rod is fixed on the spring box through the spring, the spring box is fixed on the sliding seat, and the sliding seat is fixed on the car.

As a further solution of the present invention: the elastic pressing plate is provided with a bayonet opposite to the sliding hole, the bayonet is provided with a pin hole, the front end of the sliding rod is also provided with a pin hole, and the front end of the sliding rod is clamped Into the bayonet, a bayonet is pierced through the pin hole.

As a further solution of the present invention, the hydraulic jacking cylinder is composed of multi-stage hydraulic oil cylinders.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The car provided by the utility model directly adopts the hydraulic jacking method of the hydraulic jacking cylinder to realize the lifting action, and the force is directly applied, eliminating the potential safety hazard of chain and wire rope traction wear and tear;

2. The car and the elevator derrick are slidably connected by the track pulley with an elastic mechanism, which reduces the situation that the slideway of the elevator derrick is not stable and causes the car to shake during the lifting process;

3. When the car hovers at the elevator derrick, the electric cylinder on the car drives the pressing column to extend and abut on the top panel of the pressing plate of the elevator shaft. Therefore, when the car is loaded with goods, the car is upright. There is no shaking or sinking in the straight direction, and the inner bottom surface of the car is controlled to be on the same plane as the outer conveying surface, which is convenient for the transfer and transportation of goods inside and outside the car.

Description of drawings

FIG. 1 is a schematic structural diagram of a reciprocating hoist with hydraulic fall prevention.

FIG. 2 is a schematic structural diagram of the car and the hydraulic jacking cylinder in the hydraulic anti-falling reciprocating hoist.

FIG. 3 is a partial enlarged view of A in FIG. 2 .

FIG. 4 is a schematic structural diagram of an anti-falling mechanism in a hydraulic anti-falling reciprocating hoist.

FIG. 5 is a schematic structural diagram of the elastic mechanism in the hydraulic anti-falling reciprocating hoist.

Figure 6 is an exploded view of the elastic mechanism in the hydraulic anti-falling reciprocating hoist.

In the figure: anti-fall mounting plate 1, electric cylinder 10, telescopic rod 11, pressing column 12, column cylinder 13, elevator shaft pressing plate 14, track pulley 2, pulley frame plate 20, elastic pressing plate 21, sliding seat 22, sliding Hole 23, slide bar 24, spring 25, spring box 26, bayonet 27, bayonet 28, pin hole 29, car 3, jacking beam frame 30, conveying roller 31, hydraulic jacking cylinder 4, hydraulic cylinder telescopic Rod 40 , elevator shaft base 5 , elevator derrick 6 , elevator door 60 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Referring to FIGS. 1 to 6 , in an embodiment of the present invention, a hydraulic anti-falling reciprocating hoist includes a car 3 , an elevator shaft base 5 and an elevator derrick 6 , and the elevator derrick 6 is installed on the elevator shaft base 5 . , the elevator derrick 6 is vertically slidably installed with a car 3, the top and bottom four corners of the car 3 are installed with track pulleys 2, and the vertical inner wall of the elevator derrick 6 is provided with a sliding phase with the track pulley 2 The rail pulley 2 is installed on the car 3 through an elastic mechanism, the rail pulley 2 is slid and pressed against the slideway through an elastic mechanism, and a plurality of hydraulic jacking cylinders are vertically installed in the elevator shaft base 5 4. The telescopic end of the hydraulic jacking cylinder 4 is vertically fixed with a hydraulic cylinder telescopic rod 40, and the top end of the hydraulic cylinder telescopic rod 40 is fixed on the car 3. The car 3 is provided with an anti-falling mechanism, so The anti-falling mechanism includes a laterally retractable pressing column 12 , and elevator shaft pressing plates 14 for vertically clamping the pressing column 12 are provided on both sides of the elevator door 60 of the elevator derrick 6 .

The anti-falling mechanism includes an elevator shaft pressing plate 14 installed on the elevator derrick 6 and a pressing column 12 installed on the car 3. The pressing column 12 slides through the column barrel 13, and the column barrel 13 passes through. The anti-fall mounting plate 1 is horizontally fixed and installed on both sides of the top of the door of the car 3. An electric cylinder 10 is installed on the anti-fall mounting plate 1, and a telescopic rod 11 is fixed on the telescopic end of the electric cylinder 10. The telescopic rod 11 is fixedly connected to the rear end of the abutting column 12. When the car 3 runs to the side where the elevator derrick 6 opens the door, the electric cylinder 10 drives the abutting column 12 to move forward, and the abutting column 12 abuts against the elevator shaft abutting plate. 14 on the top panel, thus, when the car 3 is hovering, the vertical direction of the car 3 will not sway up and down due to the loading of goods, reducing the inner bottom surface of the car 3 and the outer conveyor line of the elevator derrick 6 no longer on the same plane When the car 3 moves up and down, the electric cylinder 10 drives the abutting column 12 to retract, and the abutting column 12 retracts into the column cylinder 13 and no longer touches the elevator The well is placed on the pressure plate 14 .

The elevator shaft abutting plate 14 is provided with a clamping panel on the opposite surface of the abutting column 12, and a clamping groove for abutting on the clamping panel is provided on the front end side wall of the abutting column 12. The clamping groove mainly prevents the elevator shaft pressing plate 14 from being connected with the pressing column 12 to produce sliding, and improves the stability of the connection.

The elastic mechanism includes a pulley frame plate 20 , a sliding seat 22 , a sliding rod 24 and a spring 25 , the track pulley 2 is rotatably fixed between two pulley frame plates 20 , and the two pulley frame plates 20 pass through the elastic pressing plate 21 . Parallel and fixedly connected, the pulley frame plate 20 is slidably covered on the opposite two side walls of the sliding seat 22. The middle of the sliding seat 22 is provided with a sliding hole 23, and a sliding rod is slidably penetrated in the sliding hole 23. 24. The front end of the sliding rod 24 is fixed on the elastic pressing plate 21, the rear end of the sliding rod 24 is fixed on the spring box 26 through the spring 25, the spring box 26 is fixed on the sliding seat 22, and the sliding seat 22 When the rail pulley 2 is fixed on the car 3, and the set rail pulley 2 slides on the slideway of the elevator derrick 6, when the slideway is uneven, the force of the rail pulley 2 will press the pulley frame plate 20, and the pulley frame plate 20 is on the sliding seat. 22 slides on the surface and transmits the pressure to the sliding rod 24 through the elastic pressing plate 21, the sliding rod 24 slides in the sliding hole 23, and the sliding rod 24 realizes the telescopic action under the action of the spring 25, thereby ensuring the integrality of the sliding seat 22 fixed with the car 3 Keeping stable, the car 3 will not be offset and shaken due to the unevenness of the slideway of the elevator derrick 6 .

The working principle of the utility model is as follows: the car 3 provided by the utility model directly adopts the hydraulic jacking cylinder 4 to realize the lifting action, and the force is directly applied to eliminate the potential safety hazard of chain and wire rope traction wear and tear. 3 and the elevator derrick 6 are slidably connected with the track pulley 2 with an elastic mechanism, so as to reduce the unevenness of the slideway of the elevator derrick 6 and cause the car 3 to shake during the lifting process. When the elevator door 60 is located, the electric cylinder 10 on the car 3 drives the pressing column 12 to extend and abut on the top panel of the pressing plate 14 of the elevator shaft. Therefore, when the car 3 is loaded with goods, the vertical direction of the car 3 is There is no shaking or sinking, and the inner bottom surface of the car 3 is controlled to be on the same plane as the outer conveying surface, which facilitates the transfer and transportation of goods inside and outside the car 3 .

Example 2

The difference between this embodiment and Embodiment 1 is:

The top of the car 3 is fixed with an eaves-shaped jacking beam frame 30 , the hydraulic jacking cylinders 4 are respectively located on both sides of the side wall of the elevator derrick 6 , and the hydraulic cylinder telescopic rods 40 are fixed on the jacking beam frame 30 . The eaves-shaped jacking beams 30 can evenly distribute the jacking force of the hydraulic cylinder telescopic rods 40 at the left and right ends to the top of the elevator derrick 6 to ensure that the jacking force received by the elevator derrick 6 is more uniform, and the elevator derrick 6 can The lifting action is realized smoothly.

The inner bottom surface of the car 3 is composed of a plurality of conveying rollers 31 arranged to rotate side by side.

The elastic pressing plate 21 is provided with a bayonet 28 opposite to the sliding hole 23, a pin hole 29 is provided in the bayonet 28, and the front end of the sliding rod 24 is also provided with a pin hole 29, and the front end of the sliding rod 24 is clamped. Into the bayonet 28, the pin hole 29 is provided with a bayonet 27. The provided pin hole 29 and bayonet 27 mainly facilitate the connection and disassembly of the sliding rod 24 and the elastic pressing plate 21, and facilitate the maintenance and replacement of the spring 25 in the later stage.

The hydraulic jacking cylinder 4 is composed of multi-stage hydraulic oil cylinders, and is mainly used for increasing the jacking height range of the hydraulic jacking cylinder.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. A hydraulic anti-falling reciprocating hoist, comprising a car (3), an elevator shaft base (5) and an elevator derrick (6), wherein the elevator derrick (6) is installed on the elevator shaft base (5), so that the A car (3) is vertically slidably installed in the elevator derrick (6), rail pulleys (2) are installed on the four corners of the top and bottom of the car (3), and the vertical inner wall of the elevator derrick (6) There is a slideway slidingly connected with the track pulley (2); It is characterized in that the rail pulley (2) is installed on the car (3) by an elastic mechanism, the rail pulley (2) is slidingly pressed against the car (3) by the elastic mechanism, and the elevator shaft base (5) A plurality of hydraulic jacking cylinders (4) are vertically installed inside, the telescopic end of the hydraulic jacking cylinder (4) is vertically fixed with a hydraulic cylinder telescopic rod (40), and the top end of the hydraulic cylinder telescopic rod (40) is fixed On the car (3), an anti-falling mechanism is provided on the car (3), and the anti-falling mechanism comprises a laterally retractable pressing column (12), an elevator door (12) of the elevator derrick (6) 60) Both sides are provided with elevator shaft pressing plates (14) for clamping the pressing column (12) in the vertical direction. 2. The hydraulic anti-falling reciprocating hoist according to claim 1, characterized in that, an eaves-shaped jacking beam frame (30) is fixed on the top of the car (3), and the hydraulic jacking cylinder ( 4) They are respectively located on both sides of the side wall of the elevator derrick (6), and the hydraulic cylinder telescopic rods (40) are fixed on the left and right ends of the jacking beam (30). 3 . The hydraulic anti-falling reciprocating hoist according to claim 1 , wherein the inner bottom surface of the car ( 3 ) consists of a plurality of conveying rollers ( 31 ) that are rotatably arranged side by side. 4 . 4. The hydraulic anti-falling reciprocating hoist according to claim 1, wherein the anti-falling mechanism comprises an elevator shaft abutting plate (14) installed on the elevator derrick (6) and an elevator shaft abutting plate (14) installed on the car (3) ), the abutting column (12) slides through the column (13), and the column (13) is horizontally and fixedly installed on the car (3) through the anti-fall mounting plate (1). ), an electric cylinder (10) is installed on the anti-fall mounting plate (1), and a telescopic rod (11) is fixed on the telescopic end of the electric cylinder (10), and the telescopic rod (11) It is fixedly connected with the rear end of the pressing column (12). 5. The hydraulic anti-falling reciprocating hoist according to claim 4, characterized in that, a clamping panel is provided on the opposite surface of the elevator shaft abutting plate (14) and the abutting column (12), and the abutting column (12) The front end side wall of (12) is provided with a snap-fit slot for abutting on the snap-fit panel. 6. The hydraulic anti-falling reciprocating hoist according to claim 1, wherein the elastic mechanism comprises a pulley frame plate (20), a sliding seat (22), a sliding rod (24) and a spring (25), The track pulley (2) is rotatably fixed between two pulley frame plates (20), the two pulley frame plates (20) are connected in parallel and fixedly by elastic pressing plates (21), and the pulley frame plates (20) slide The cover is closed on the opposite two side walls of the sliding seat (22), a sliding hole (23) is formed through the middle of the sliding seat (22), and a sliding rod (24) is slidably penetrated in the sliding hole (23). , the front end of the sliding rod (24) is fixed on the elastic pressing plate (21), the rear end of the sliding rod (24) is fixed on the spring box (26) through the spring (25), the spring box (26) It is fixed on the sliding seat (22), and the sliding seat (22) is fixed on the car (3). 7. The hydraulic anti-falling reciprocating hoist according to claim 6, characterized in that the elastic pressing plate (21) is provided with a bayonet (28) opposite to the sliding hole (23), and the bayonet (28) A pin hole (29) is opened inside, the front end of the sliding rod (24) is also provided with a pin hole (29), the front end of the sliding rod (24) is snapped into the bayonet (28), and the pin hole ( 29) A bayonet pin (27) is penetrated inside. 8 . The hydraulic anti-falling reciprocating hoist according to claim 6 , wherein the hydraulic jacking cylinder ( 4 ) is composed of a multi-stage hydraulic oil cylinder. 9 .

Images