CN214935785U

CN214935785U - Lifting structure of electric carrier and control system thereof

Info

Publication number: CN214935785U
Application number: CN202120611761.6U
Authority: CN
Inventors: 李航校
Original assignee: Xuzhou Shijin Electromechanical Technology Co ltd
Current assignee: Xuzhou Shijin Electromechanical Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-11-30
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses an electric pallet truck's lifting structure and control system thereof relates to electric pallet truck technical field. The utility model comprises a rectangular vertical frame, a lifting beam, two L-shaped fork teeth, a first driving mechanism and a loading and unloading mechanism; the loading and unloading mechanism comprises a wedge-shaped block, an H-shaped push rod and a second driving mechanism; the wedge block is rotatably arranged at the tail end of the rack bar of the L-shaped fork tooth; the wedge-shaped block is driven to rotate by a second driving mechanism; the H-shaped push rod is slidably arranged on the rack bars of the two L-shaped fork teeth; the horizontal pole of H type push rod is articulated with electric telescopic handle's output. The utility model drives the worm, the worm wheel and the rotating shaft to rotate through the second motor, and further drives the wedge block to rotate through the synchronous belt; when goods need to be transported to the rack bar, the wedge-shaped block is driven to rotate downwards, so that the bottom end of the wedge-shaped block is in contact with the ground, and the goods are convenient to transport; when the goods is transferring the in-process, electronic wedge upwards rotates until the inboard goods of hugging, avoids the goods to transfer in-process landing, convenient and practical.

Description

Lifting structure of electric carrier and control system thereof

Technical Field

The utility model belongs to the technical field of electric pallet truck, especially, relate to an electric pallet truck's lifting structure and control system thereof.

Background

Electric carriers are widely used in logistics parks and large processing plants, and are generally used for carrying loaded objects. In the carrying process, the object to be carried needs to be moved to the gear shaping, and then the object needs to be moved and carried by the electric carrier. Many times, it is also necessary to raise or lower the gear shaping carrying the object to be handled in order to facilitate loading and unloading. Even more, at the time of unloading, the gear teeth are required to be raised to a certain height and to be able to cooperate in the stacking and unloading of goods.

The gear shaping lifting mechanism of the existing electric carrier can only lift the gear shaping simply, and can not be matched with convenient loading and stacking and unloading of goods. Meanwhile, in the moving and carrying process, the tail end of the gear shaping is not provided with a limiting part, so that the goods have the risk of sliding down in the moving process.

In order to solve the problem, the utility model provides an electric carrier's lifting structure and control system thereof.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric pallet truck's lifting structure and control system for solve the technical problem who provides in the background art.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model discloses an electric pallet truck's lifting structure, include: the lifting device comprises a rectangular vertical frame, a lifting beam, two L-shaped fork teeth, a first driving mechanism and a loading and unloading mechanism;

a vertical sliding chute is formed between the opposite inner side walls of the rectangular vertical frame; rolling gears are symmetrically arranged at two ends of the lifting beam; the rolling gear is arranged in the vertical chute in a rolling way; the rolling gear is driven to roll by a first driving mechanism arranged on the lifting beam; two L-shaped fork teeth which are parallel to each other are arranged at the bottom of the lifting beam;

the loading and unloading mechanism comprises a wedge-shaped block, an H-shaped push rod and a second driving mechanism; the wedge block is rotatably arranged at the tail end of the rack bar of the L-shaped fork tooth; the wedge-shaped block is driven to rotate by a second driving mechanism; the H-shaped push rod is slidably arranged on the rack bars of the two L-shaped fork teeth; the cross rod of the H-shaped push rod is hinged with the output end of the electric telescopic rod; one end of the electric telescopic rod is hinged to the side face of the lifting beam.

As a preferred technical scheme, a plurality of teeth are uniformly distributed on one side wall of the vertical chute; the rolling gear is meshed with the teeth.

As a preferred technical solution, the first driving mechanism includes a first motor, a rotating rod, a first bevel gear and a second bevel gear; a driving cavity is formed in the middle of the lifting beam; one end of the lifting beam is provided with a shaft hole penetrating through the driving cavity; the first motor is fixedly arranged on the upper surface of the lifting beam, and the output end of the first motor extends into the driving cavity and then is connected with the first bevel gear; rotating rods are rotatably arranged in the shaft holes on the two sides of the driving cavity; one end of the rotating rod is connected with the second bevel gear, and the other end of the rotating rod is connected with the rolling gear; and the first bevel gear is respectively in meshed connection with the two second bevel gears.

As a preferable technical scheme, the upper surface of a rack bar of the L-shaped fork tooth is provided with a limiting sliding chute with an inverted T-shaped cross section; an inverted T-shaped sliding block is arranged at the bottom end of the vertical rod of the H-shaped push rod; the inverted T-shaped sliding block is matched in the limiting sliding groove in a sliding mode.

As a preferable technical solution, the second driving mechanism includes a second motor, a rotating shaft, and a synchronous belt; the rotating shaft is rotatably arranged between the rack bars of the two L-shaped fork teeth; a first synchronizing wheel is arranged on a rotating shaft of the wedge-shaped block; second synchronizing wheels are symmetrically arranged at two end parts of the rotating shaft; the first synchronous wheel and the second synchronous wheel are in transmission connection through a synchronous belt; a turbine is arranged on the periphery of one end part of the rotating shaft; the worm wheel is meshed with a worm connected with the output end of the second motor.

As a preferable technical scheme, the front part of the toothed bar of the L-shaped fork teeth is provided with a slotted hole, and a roller is rotatably arranged between two side walls of the slotted hole.

The control system of the lifting structure of the electric carrier comprises a controller, a first motor, a second motor and an electric telescopic rod; the controller is respectively connected with the first motor, the second motor and the electric telescopic rod through electric signals.

The utility model discloses an aspect has following beneficial effect:

1. the utility model drives the worm, the worm wheel and the rotating shaft to rotate through the second motor, and further drives the wedge block to rotate through the synchronous belt; when goods need to be transported to the rack bar, the wedge-shaped block is driven to rotate downwards, so that the bottom end of the wedge-shaped block is in contact with the ground, and the goods are convenient to transport; when the goods is transferring the in-process, electronic wedge upwards rotates until the inboard goods of hugging, realizes spacing to the goods, avoids the goods to transfer in-process landing, convenient practicality.

2. The utility model discloses when the goods need be uninstalled or pile and unload, extend and then drive H type push rod outwards promote the goods through electric telescopic handle, convenient laborsaving, the goods uninstallation of being convenient for and pile and unload.

3. The front part of the rack bar of the L-shaped fork tooth of the utility model is provided with a slotted hole and a roller is rotatably arranged between the two side walls of the slotted hole; through the rolling action of the rollers, the goods can be conveniently loaded and unloaded, and the device is convenient and labor-saving.

4. The utility model discloses a first motor drives first bevel gear and rotates, and then drives second bevel gear, dwang and rolling gear and rotate, realizes the convenient lift of lift roof beam.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a lifting structure of an electric truck according to the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a partial view of a vertical cross-sectional view of a lift beam of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-rectangular vertical frame, 11-vertical sliding groove, 111-tooth, 2-lifting beam, 21-rolling gear, 22-first motor, 23-rotating rod, 24-first bevel gear, 25-second bevel gear, 3-L-shaped fork tooth, 31-limiting sliding groove, 32-rolling wheel, 41-wedge-shaped block, 411-first synchronous wheel, 42-H-shaped push rod, 421-T-shaped sliding block, 43-electric telescopic rod, 51-second motor, 511-worm, 52-rotating shaft, 521-second synchronous wheel, 522-turbine and 53-synchronous belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention relates to a lifting structure of an electric truck, including: the device comprises a rectangular vertical frame 1, a lifting beam 2, two L-shaped fork teeth 3, a first driving mechanism and a loading and unloading mechanism; a vertical chute 11 is arranged between the opposite inner side walls of the rectangular vertical frame 1; two ends of the lifting beam 2 are symmetrically provided with rolling gears 21; the rolling gear 21 is arranged in the vertical chute 11 in a rolling way; the rolling gear 21 is driven to roll by a first driving mechanism arranged on the lifting beam 2; the bottom of the lifting beam 2 is provided with two L-shaped fork teeth 3 which are parallel to each other; specifically, a plurality of teeth 111 are distributed on one side wall of the vertical chute 11; the rolling gear 21 is engaged with the teeth 111; further, the first driving mechanism includes a first motor 22, a rotating lever 23, a first bevel gear 24, and a second bevel gear 25; a driving cavity is formed in the middle of the lifting beam 2; one end of the lifting beam 2 is provided with a shaft hole penetrating through the driving cavity; the first motor 22 is fixedly arranged on the upper surface of the lifting beam 2, and the output end of the first motor 22 extends into the driving cavity and then is connected with the first bevel gear 24; rotating rods 23 are rotatably arranged in the shaft holes at the two sides of the driving cavity; one end of the rotating rod 23 is connected with the second bevel gear 25, and the other end is connected with the rolling gear 21; the first bevel gear 24 is respectively meshed with the two second bevel gears 25; when the lifting device is actually used, the first motor 22 drives the first bevel gear 24 to rotate, and further drives the second bevel gear 25, the rotating rod 23 and the rolling gear 21 to rotate, so that the lifting beam 2 can be conveniently lifted;

the assembling and disassembling mechanism comprises a wedge block 41, an H-shaped push rod 42 and a second driving mechanism; the wedge block 41 is rotatably arranged at the tail end of the rack bar of the L-shaped fork teeth 3; the wedge block 41 is driven to rotate by a second driving mechanism; specifically, the second driving mechanism includes a second motor 51, a rotating shaft 52, and a timing belt 53; the rotating shaft 52 is rotatably arranged between the toothed bars of the two L-shaped fork teeth 3; a first synchronizing wheel 411 is arranged on a rotating shaft of the wedge block 41; second synchronizing wheels 521 are symmetrically arranged at two ends of the rotating shaft 52; the first synchronizing wheel 411 and the second synchronizing wheel 521 are in transmission connection through a synchronous belt 53; a turbine 522 is attached to one end portion of the rotating shaft 52; the worm gear 522 is meshed with the worm 511 connected with the output end of the second motor 51; in actual use, the worm 511, the worm wheel 522 and the rotating shaft 52 are driven to rotate by the second motor 51, and the wedge block 41 is driven to rotate by the synchronous belt 53; when goods need to be transported to the rack bar, the wedge block 41 is driven to rotate downwards, so that the bottom end of the wedge block 41 is in contact with the ground, and the goods are convenient to transport; when goods are transferred, the electric wedge-shaped block 41 rotates upwards until the inner side of the electric wedge-shaped block is attached to the goods, so that the goods are limited, the goods are prevented from sliding off in the transferring process, and the electric wedge-shaped block is convenient and practical;

the H-shaped push rod 42 is slidably arranged on the rack bars of the two L-shaped fork teeth 3; the cross bar of the H-shaped push rod 42 is hinged with the output end of the electric telescopic rod 43; one end of the electric telescopic rod 43 is hinged on the side surface of the lifting beam 2; specifically, the upper surface of the rack bar of the L-shaped fork teeth 3 is provided with a limiting sliding groove 31 with an inverted T-shaped cross section; an inverted T-shaped sliding block 421 is arranged at the bottom end of the vertical rod of the H-shaped push rod 42; the inverted T-shaped sliding block 421 is matched in the limiting sliding groove 31 in a sliding manner; when the goods need be unloaded or piled and unloaded, extend and then drive H type push rod 42 outwards promote the goods through electric telescopic handle 43, convenient laborsaving, the goods of being convenient for uninstallation and pile are unloaded.

In a preferred embodiment, the front part of the rack bar of the L-shaped fork teeth 3 is provided with a slotted hole, and a roller 32 is rotatably arranged between the two side walls of the slotted hole; through the rolling action of the rollers 32, the loading and unloading of goods are convenient, convenient and labor-saving.

The control system of the lifting structure of the electric truck comprises a controller, a first motor 22, a second motor 51 and an electric telescopic rod 43; the controller is respectively connected with the first motor 22, the second motor 51 and the electric telescopic rod 43 through electric signals; the controller is used for controlling the movement of each part according to the requirement, and the device is convenient and practical.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Electric pallet truck's lifting structure, its characterized in that includes: the lifting device comprises a rectangular vertical frame (1), a lifting beam (2), two L-shaped fork teeth (3), a first driving mechanism and a loading and unloading mechanism;

a vertical sliding chute (11) is arranged between the opposite inner side walls of the rectangular vertical frame (1); rolling gears (21) are symmetrically arranged at two ends of the lifting beam (2); the rolling gear (21) is arranged in the vertical chute (11) in a rolling way; the rolling gear (21) is driven to roll through a first driving mechanism arranged on the lifting beam (2); the bottom of the lifting beam (2) is provided with two L-shaped fork teeth (3) which are parallel to each other;

the assembling and disassembling mechanism comprises a wedge-shaped block (41), an H-shaped push rod (42) and a second driving mechanism; the wedge block (41) is rotatably arranged at the tail end of a rack bar of the L-shaped fork tooth (3); the wedge-shaped block (41) is driven to rotate by a second driving mechanism; the H-shaped push rod (42) is slidably arranged on the rack bars of the two L-shaped fork teeth (3); the cross bar of the H-shaped push rod (42) is hinged with the output end of the electric telescopic rod (43); one end of the electric telescopic rod (43) is hinged on the side surface of the lifting beam (2).

2. The lifting structure of an electric truck according to claim 1, characterized in that a plurality of teeth (111) are distributed on one side wall of the vertical chute (11); the rolling gear (21) is meshed with the teeth (111).

3. The lifting structure of an electric truck according to claim 1 or 2, characterized in that the first drive mechanism comprises a first motor (22), a turning lever (23), a first bevel gear (24) and a second bevel gear (25); a driving cavity is formed in the middle of the lifting beam (2); one end of the lifting beam (2) is provided with a shaft hole penetrating through the driving cavity; the first motor (22) is fixedly arranged on the upper surface of the lifting beam (2), and the output end of the first motor (22) extends into the driving cavity and then is connected with the first bevel gear (24); rotating rods (23) are rotatably arranged in the shaft holes at the two sides of the driving cavity; one end of the rotating rod (23) is connected with the second bevel gear (25), and the other end of the rotating rod is connected with the rolling gear (21); the first bevel gear (24) is respectively in meshed connection with the two second bevel gears (25).

4. The lifting structure of an electric truck according to claim 3, characterized in that the upper surface of the rack of the L-shaped fork (3) is provided with a limiting chute (31) with an inverted T-shaped cross section; an inverted T-shaped sliding block (421) is arranged at the bottom end of the vertical rod of the H-shaped push rod (42); the inverted T-shaped sliding block (421) is matched in the limiting sliding groove (31) in a sliding mode.

5. The lifting structure of an electric truck according to claim 1 or 4, characterized in that the second driving mechanism includes a second motor (51), a rotating shaft (52), and a timing belt (53); the rotating shaft (52) is rotatably arranged between the rack bars of the two L-shaped fork teeth (3); a first synchronizing wheel (411) is arranged on a rotating shaft of the wedge block (41); second synchronous wheels (521) are symmetrically arranged at two ends of the rotating shaft (52); the first synchronizing wheel (411) is in transmission connection with the second synchronizing wheel (521) through a synchronous belt (53); a turbine (522) is mounted on one end periphery of the rotating shaft (52); the worm wheel (522) is meshed with a worm (511) connected with the output end of the second motor (51).

6. The lifting structure of an electric truck according to claim 5, characterized in that the front part of the rack of the L-shaped fork (3) is provided with a slotted hole and the roller (32) is rotatably mounted between the two side walls of the slotted hole.

7. The control system of the lifting structure of an electric truck according to any one of claims 1 to 6, characterized by comprising a controller, a first motor (22), a second motor (51) and an electric telescopic bar (43); the controller is respectively connected with the first motor (22), the second motor (51) and the electric telescopic rod (43) through electric signals.