CN215592495U

CN215592495U - Reciprocating type elevator

Info

Publication number: CN215592495U
Application number: CN202121237277.8U
Authority: CN
Inventors: 杨建�
Original assignee: Jiangsu Beisiku Intelligent Technology Co ltd
Current assignee: Jiangsu Beisiku Intelligent Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-21
Anticipated expiration: 2031-06-03

Abstract

The utility model belongs to the technical field of logistics equipment, and particularly relates to a reciprocating type elevator, which comprises: the upright post is provided with a slide rail; a lifting platform which is arranged on the slide rail in a vertically sliding manner; the conveying table is fixedly connected with the lifting table; the electric driving assembly is arranged above the upright post and used for driving the lifting platform to move up and down along the sliding rail; the protection components are uniformly distributed on the upright post and are used for preventing the lifting platform from sliding downwards when the power is off; the buffer assembly is arranged below the lifting platform and is used for providing buffer when the lifting platform is in contact with the buffer assembly. According to the utility model, by installing the protection component, the T-shaped rod extends out when the power is off, so that the T-shaped rod can support the lifting platform and cannot fall down; according to the utility model, by installing the buffer assembly, when the lifting platform falls down, the buffer assembly can provide multi-stage buffering, so that the impact is reduced.

Description

Reciprocating type elevator

Technical Field

The utility model belongs to the technical field of logistics equipment, and particularly relates to a reciprocating type elevator.

Background

The reciprocating elevator is a lifting device, and is driven by a chain to lift a lift car to reciprocate up and down through a variable frequency speed regulation control motor.

As disclosed in publication No. CN211871259U, a reciprocating box elevator comprises: the lifting device comprises a driving device, a lifter shell, a conveying belt and a lifting table, wherein the driving device is installed in the lifter shell, one end of the conveying belt is connected with a power output structure of the driving device, the other end of the conveying belt is connected with the lifting table, the lifting table vertically moves in the lifter shell under the action of the conveying belt, the lifting table is provided with a rolling wheel set tangent to a rolling surface, a supporting rod is arranged vertically to the surface of the lifting table, a conveying table is fixedly connected with the supporting rod, a height sensor detects the lifting height, and a photoelectric sensor detects the in-place conveying condition of a product; the lifting platform is driven by the conveyor belt to vertically lift, so that the conveying space is saved, the lifting movement distance is shortened, and the conveying efficiency can be improved at the same conveying speed; the cost is low; the rolling wheel set is used as a lifting lubricating piece, so that the operation noise is low, and the workshop operation environment is improved; after the power transmission platform is in butt joint with the production line, products are transmitted among the production lines with different heights, and the working mode is flexible.

As another example, publication No. CN210505174U discloses a reciprocating hydraulic hoist, including a guide rail and a damper plate; the inside of guide rail is vertical to be provided with the car, the bottom left side of guide rail is provided with first live-rollers, the inside bottom level of car is provided with the second live-rollers, the top inner wall middle part fixed mounting of car has the cylinder. The air cylinder is controlled to work, the push plate can be stably pushed to move downwards through the push rod, the push plate can further clamp materials on the second rotating roller, the situation that the materials roll down to injure workers in the ascending process of the materials can be avoided, when the lift car moves downwards to the ground, the damping plate at the bottom end of the lift car is in contact with the ground and is in sliding connection with the sliding block through the sliding groove, the adjusting plate connected with the adjusting rod can be stably pushed to move upwards in the adjusting groove to extrude the damping spring, collision vibration generated when the damping plate is in contact with the ground can be absorbed, the stability of the device is improved, and when the lift car ascends, the damping plate can be pushed to reset through the elastic force of the damping spring.

Reciprocating type lifting machine among the prior art often lacks effective protection device, causes power interruption or when the chain disconnection, and the elevating platform can fall rapidly, causes great incident.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings, the utility model aims to provide a reciprocating type elevator.

The utility model provides the following technical scheme:

a reciprocating hoist comprising:

the upright post is provided with a slide rail;

a lifting platform which is arranged on the slide rail in a vertically sliding manner;

the conveying table is fixedly connected with the lifting table;

the electric driving assembly is arranged above the upright post and used for driving the lifting platform to move up and down along the sliding rail;

the protection components are uniformly distributed on the upright post and are used for preventing the lifting platform from sliding downwards when the power is off;

the buffer assembly is arranged below the lifting platform and is used for providing buffer when the lifting platform is in contact with the buffer assembly.

An upper cover plate is fixedly connected to the upper end of the upright post.

The two lifting platforms are symmetrically arranged on the slide rail; the electric driving assembly comprises a bearing seat arranged on the upper cover plate, and a transmission shaft is arranged on the bearing seat; a driven wheel is arranged in the middle of the transmission shaft and is meshed with a driving wheel arranged on a motor shaft; and driving chain wheels are arranged at two ends of the transmission shaft and are respectively connected with driven chain wheels arranged on the lifting platform through chains.

A supporting plate is fixedly connected to the lifting platform; the conveying table is fixedly arranged on the supporting plate.

And a reinforcing rib is arranged between the supporting plate and the lifting platform.

The lower end of the upright post is fixedly connected with a lower base, and the buffer assembly is arranged on the lower base.

The buffer component comprises a buffer rod which can be inserted into a sliding groove arranged on the lower base in a vertically sliding manner; the upper end of the buffer rod is fixedly connected with a buffer plate; a second-level buffer block is arranged in the sliding chute below the buffer rod in a manner of sliding up and down; the lower part of the buffer rod is inserted into a groove arranged at the upper end of the secondary buffer block; a convex ring is arranged in the middle of the buffer rod, and a first spring is arranged between the convex ring and the upper end of the secondary buffer block; a side ring is arranged at the upper part of the buffer block, the side ring is inserted into a side groove arranged on the lower base, and a second spring is arranged between the side ring and the bottom of the side groove; the spout tank bottom is equipped with the cross slot, but installs tertiary buffer block transversely slidably in the cross slot, is connected with spring three between tertiary buffer block one end and the cross slot cell wall, and the tertiary buffer block other end is equipped with the coupling surface of laminating mutually with second grade buffer block lower extreme inclined plane.

The rigidity of the third spring is greater than that of the second spring; the rigidity of the second spring is greater than that of the first spring.

The protection component comprises a T-shaped rod, one end of a short rod of the T-shaped rod is slidably arranged in a cavity formed in the upright post, a spring IV is connected between the short rod and the cavity wall of the cavity, and an electromagnet is arranged in the cavity.

Proximity sensors are uniformly distributed on the upright columns.

The utility model has the beneficial effects that:

1. according to the utility model, by installing the protection component, the T-shaped rod extends out when the power is off, so that the T-shaped rod can support the lifting platform and cannot fall down;

2. according to the utility model, by installing the buffer assembly, when the lifting platform falls down, the buffer assembly can provide multi-stage buffering, so that the impact is reduced;

3. the utility model has convenient maintenance and lower cost.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the stud of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2.

Labeled as: the device comprises a lower base 101, a vertical column 102, a supporting plate 103, a conveying table 104, an elevating table 105, an upper cover plate 106, a chain 107, a proximity sensor 108, a transmission shaft 109, a bearing seat 110, a T-shaped rod 201, a cavity 202, a spring IV 203, an electromagnet 204, a buffer plate 301, a buffer rod 302, a convex ring 303, a spring I304, a side ring 305, a spring II 306, a groove 307, a groove 308, a three-stage buffer block 309 and a spring III 310.

Detailed Description

As shown in the figure, the reciprocating type elevator comprises a vertical column 102, a lifting platform 105, a conveying platform 104, an electric driving assembly, a protection assembly and a buffering assembly. A slide rail is provided on the column 102, the elevating platform 105 is mounted on the slide rail, and the elevating platform 105 can perform linear motion in the up-down direction along the slide rail. The transfer table 104 is fixedly attached to the elevating table 105, specifically, the support plate 103 is fixedly attached to the elevating table 105 by bolting, and the transfer table 104 is fixedly attached to the support plate 103 by bolting. When the lifting table 105 moves linearly in the up-down direction along the slide rail, the transfer table 104 moves linearly in the up-down direction. In order to improve the mounting strength of the support plate 103, a reinforcing rib is mounted between the support plate 103 and the elevating platform 105.

In order to improve stability, there are two lifting tables 105, the two lifting tables 105 are symmetrically installed on the slide rail, and the two lifting tables 105 move synchronously. An electric driving assembly is arranged above the upright post 102, and the lifting platform 105 can be driven by the electric driving assembly to move up and down along the sliding rail. Specifically, an upper cover plate 106 is fixedly mounted at the upper end of the upright column 102, the electric driving assembly comprises a bearing seat 110 mounted on the upper cover plate 106, a transmission shaft 109 is mounted on the bearing seat 110, a driven wheel is mounted in the middle of the transmission shaft 109, and the driven wheel is meshed with a driving wheel mounted on a motor shaft. Drive sprockets are mounted at both ends of the drive shaft 109 and are connected to driven sprockets mounted on the lift table 105 via chains 107, respectively. The motor may be activated such that the motor drives the drive shaft 109 to rotate, thereby driving the lift table 105 to move up and down along the slide rails.

A plurality of protection components are uniformly distributed on the upright post 102 and used for preventing the lifting platform 105 from sliding downwards when the motor is powered off. Specifically, the protection component comprises a T-shaped rod 201, one end of a short rod of the T-shaped rod 201 is slidably arranged in a cavity 202 formed in the upright post 102, a spring IV 203 is connected between the short rod and the cavity wall of the cavity 202, and an electromagnet 204 is arranged in the cavity 202. When the device is operated, the electromagnet 204 and the motor are electrified, the electromagnet 204 adsorbs the T-shaped rod 201, so that the spring four 203 is compressed, one end of the long rod of the T-shaped rod 201 is locked in the cavity 202, and one end of the long rod of the T-shaped rod 201 cannot block the lifting platform 105 to move up and down. When the power is cut off, the electromagnet 204 does not adsorb the T-shaped rod 201 any more, one end of the long rod of the T-shaped rod 201 extends out of the cavity 202 under the action of the elastic force of the spring IV 203, so that one end of the long rod of the T-shaped rod 201 is blocked below the lifting platform 105, and the lifting platform 105 cannot continuously fall.

Proximity sensors 108 are uniformly distributed on the upright post 102, and the proximity sensors 108 are connected with a control host. The proximity sensor 108 may monitor the movement position of the lift table 105. A buffer member is provided below the lift table 105, and provides a buffer when the lift table 105 is dropped into contact with the buffer member. A lower base 101 is fixedly mounted at the lower end of the upright column 102, and a buffer assembly is mounted on the lower base 101. Specifically, the buffer assembly includes a buffer rod 302, and the buffer rod 302 is inserted into a sliding slot of the lower base 101 in a vertically slidable manner. The upper part of the buffer rod 302 extends out of the sliding chute, and the upper end of the buffer rod 302 is fixedly provided with a buffer plate 301. A secondary buffer block 308 is slidably arranged in the sliding groove below the buffer rod 302 up and down. The lower part of the buffer rod 302 is inserted into a groove 307 arranged at the upper end of the second-stage buffer block 308, a convex ring 303 is arranged at the middle part of the buffer rod 302, and a first spring 304 is arranged between the convex ring 303 and the upper end of the second-stage buffer block 308. The upper part of the buffer block 308 is provided with a side ring 305, the side ring 305 is inserted into a side groove arranged on the lower base 101, and a second spring 306 is arranged between the side ring 305 and the bottom of the side groove. A transverse groove is formed in the bottom of the sliding groove, a third-stage buffer block 309 is installed in the transverse groove in a transverse sliding mode, a third spring 310 is connected between one end of the third-stage buffer block 309 and the wall of the transverse groove, and a coupling surface attached to the inclined surface of the lower end of the second-stage buffer block 308 is arranged at the other end of the third-stage buffer block 309. The stiffness of the spring three 310 is greater than that of the spring two 306, and the stiffness of the spring two 306 is greater than that of the spring one 304. When the lifting platform 105 falls to contact with the buffer plate 301, the buffer plate 301 moves downwards, the buffer rod 302 moves downwards together, the first spring 304 provides first-stage buffering, and the lower part of the buffer rod 302 slides downwards in the groove 307; when the lower end of the buffer rod 302 contacts with the bottom of the groove 307, the buffer rod 302 pushes the secondary buffer block 308 to move downwards together, and the second spring 306 provides secondary buffer; after the lower end of the secondary buffer block 308 contacts and attaches to one end of the tertiary buffer block 309, the downward moving secondary buffer block 308 pushes the tertiary buffer block 309 to slide laterally, and at this time, the third spring 310 provides the tertiary buffer.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A reciprocating hoist, comprising:

the upright post (102) is provided with a slide rail;

an elevating platform (105) which is mounted on the slide rail in a manner of sliding up and down;

a conveying table (104) fixedly connected with the lifting table (105);

the electric driving assembly is arranged above the upright post (102) and is used for driving the lifting platform (105) to move up and down along the sliding rail;

the protection components are uniformly distributed on the upright post (102) and are used for preventing the lifting platform (105) from sliding downwards when the power is off;

the buffer component is arranged below the lifting platform (105) and is used for providing buffer when the lifting platform (105) is in contact with the buffer component.

2. The reciprocating lifter according to claim 1, wherein: an upper cover plate (106) is fixedly connected to the upper end of the upright post (102).

3. The reciprocating lifter according to claim 2, wherein: the number of the lifting platforms (105) is two, and the two lifting platforms (105) are symmetrically arranged on the slide rail; the electric driving assembly comprises a bearing seat (110) arranged on the upper cover plate (106), and a transmission shaft (109) is arranged on the bearing seat (110); a driven wheel is arranged in the middle of the transmission shaft (109), and the driven wheel is meshed with a driving wheel arranged on a motor shaft; and driving chain wheels are arranged at two ends of the transmission shaft (109) and are respectively connected with driven chain wheels arranged on the lifting platform (105) through chains (107).

4. The reciprocating lifter according to claim 1, wherein: a supporting plate (103) is fixedly connected to the lifting platform (105); the conveying table (104) is fixedly arranged on the supporting plate (103).

5. The reciprocating lifter according to claim 4, wherein: and a reinforcing rib is arranged between the supporting plate (103) and the lifting platform (105).

6. The reciprocating lifter according to claim 1, wherein: the lower end of the upright post (102) is fixedly connected with a lower base (101), and the buffer assembly is arranged on the lower base (101).

7. The reciprocating lifter of claim 6, wherein: the buffer component comprises a buffer rod (302) which can be inserted into a sliding groove arranged on the lower base (101) in a vertically sliding manner; the upper end of the buffer rod (302) is fixedly connected with a buffer plate (301); a secondary buffer block (308) is arranged in the sliding groove below the buffer rod (302) in a way of sliding up and down; the lower part of the buffer rod (302) is inserted into a groove (307) arranged at the upper end of the secondary buffer block (308); a convex ring (303) is arranged in the middle of the buffer rod (302), and a first spring (304) is arranged between the convex ring (303) and the upper end of the secondary buffer block (308); a side ring (305) is arranged at the upper part of the buffer block (308), the side ring (305) is inserted into a side groove formed in the lower base (101), and a second spring (306) is arranged between the side ring (305) and the bottom of the side groove; the bottom of the sliding groove is provided with a transverse groove, a third-level buffer block (309) is installed in the transverse groove in a transverse sliding mode, a third spring (310) is connected between one end of the third-level buffer block (309) and the wall of the transverse groove, and the other end of the third-level buffer block (309) is provided with a coupling surface attached to the inclined surface of the lower end of a second-level buffer block (308).

8. The reciprocating lifter according to claim 7, wherein: the stiffness of the spring three (310) is greater than the stiffness of the spring two (306); the stiffness of spring two (306) is greater than the stiffness of spring one (304).

9. The reciprocating lifter according to claim 1, wherein: the protection component comprises a T-shaped rod (201), one end of a short rod of the T-shaped rod (201) is slidably installed in a cavity (202) formed in the upright post (102), a spring IV (203) is connected between the short rod and the cavity wall of the cavity (202), and an electromagnet (204) is installed in the cavity (202).

10. The reciprocating lifter according to any one of claims 1 to 9, wherein: proximity sensors (108) are uniformly distributed on the upright post (102).