CN212476000U

CN212476000U - Electric lifting driving device of carrier

Info

Publication number: CN212476000U
Application number: CN202020600843.6U
Authority: CN
Inventors: 施云峰
Original assignee: Ningbo Xuanxuan Motor Co ltd
Current assignee: Ningbo Xuanxuan Motor Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-02-05
Anticipated expiration: 2030-04-22

Abstract

The utility model provides an electronic drive arrangement that plays to rise of carrier. The electric lifting driving device comprises a driving assembly, a connecting seat, a lifting oil cylinder, a gear pump, a battery box, a control device and a hand-pulling plate, wherein the driving assembly drives a roller to roll, a counter bore is formed in the top of the driving assembly, a bearing is fixed on the connecting seat, a convex cylinder of the lifting oil cylinder penetrates through the bearing and is fixed with the counter bore, the hand-pulling plate is fixed on the lifting oil cylinder, the gear pump is used for driving a piston rod of the lifting oil cylinder to move up and down, the control device is composed of a controller and an accelerator, the accelerator controls the controller to finally control the driving assembly and the gear pump to operate, the battery box supplies power for the whole electric lifting driving device, the gear pump and the battery box are fixed on a side steel plate of a fork frame through bolts, rigid collision can be. After adopting above-mentioned structure, not only reach the purpose of waste utilization, can alleviate intensity of labour moreover.

Description

Electric lifting driving device of carrier

Technical Field

The utility model relates to a carrier accessory, specific electronic drive arrangement that plays to rise of carrier that says so.

Background

The hydraulic carrier is a common loading and unloading and carrying tool, is a logistics carrying device for carrying goods, and is characterized in that a fork loaded by the hydraulic carrier is inserted into a tray hole when in use, the lifting and descending of the tray goods are realized by a manual driving hydraulic system, and the carrying operation is completed by manual pulling.

In the in-service use, hydraulic pressure carrier also has working life, service life has long, manual play to rise the device and damage easily, lead to whole platform truck to scrap, but fork frame wherein and U-shaped support are steel sheet shaping casting and form, it is durable firm can not bad, simultaneously because the inside fitting space of fork frame (the position of installing manual play to rise the device) is narrower, so for waste utilization, continue a section in the market and can assemble into one set of neotype hydraulic pressure carrier with original fork frame and U-shaped support, this hydraulic pressure carrier is on the basis of keeping original function, still need to increase electronic lifting drive function, not only reach waste utilization, and therefore the cost is reduced, and can alleviate intensity of labour, improve cargo handling efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the defect that current hydraulic pressure haulage car lock exists, the utility model aims to solve the technical problem be: an electric lifting drive device for a transport vehicle is provided, which is used in cooperation with a fork frame and a U-shaped bracket.

In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: an electric lifting drive device of a truck, comprising:

the driving assembly is provided with a roller, a speed reducer is arranged between the roller and the driving assembly, and the top of the driving assembly is provided with a counter bore;

the center of the connecting seat is provided with a center hole, and a bearing is arranged in the center hole;

the lifting oil cylinder comprises an oil cylinder body, a piston hole, a piston rod, a cylinder sleeve and a sealing element, wherein a convex cylinder extends from the bottom of the oil cylinder body, the convex cylinder penetrates through a bearing and is fixed with a counter bore, the piston hole extends into the convex cylinder from the top of the oil cylinder body but does not penetrate through the convex cylinder in a cutting mode, the cylinder sleeve is arranged in the piston hole, the piston rod is arranged in the cylinder sleeve, an oil passing hole I extends upwards from the bottom of the piston rod, an oil inlet communicated with the oil passing hole is formed in the position, close to the top, of the piston rod, the sealing element is used for sealing the lifting oil cylinder, a hand-pulling plate is movably fixed at the top of one side of the oil cylinder body, and an oil passing;

the upper end of the gear pump is provided with an oil outlet, the lower end of the gear pump is provided with an oil return port, the oil outlet is connected with an oil inlet of the lifting oil cylinder through an oil inlet pipe, the oil return port is connected with an oil passing hole II on the oil cylinder body through an oil return pipe, the oil inlet pipe is provided with a one-way valve, the oil return pipe is connected with an overflow valve and a cone valve in parallel, and the cone valve is connected with a pressure relief wrench arranged on a hand-pulling plate;

the battery box supplies power for the electric lifting driving device;

the control device comprises a controller and an accelerator, wherein a lifting switch, a forward/backward switch and an emergency stop switch are arranged on the accelerator, the accelerator is arranged on a hand-pulling plate and is connected with the controller through a circuit, so that the controller can drive the gear pump and the drive assembly.

The electric lifting driving device of the carrier controls the driving assembly or the gear pump to operate through the accelerator control controller, the driving assembly drives the fork frame to move back and forth, the lifting oil cylinder drives the connecting seat to move up and down, the U-shaped support fixed on the connecting seat is lifted, and finally the fork connected with the U-shaped support is driven to lift.

Furthermore, the drive assembly adopts brushless direct current permanent magnet motor, the gyro wheel is PU polyurethane wheel.

Further, the bottom surface of the convex cylinder is a circular arc surface. The design is convenient for being inserted into the counter bore of the driving assembly.

Furthermore, a through hole which horizontally penetrates through the piston rod is formed in the position, close to the bottom, of the piston rod. The design is to make the incoming hydraulic oil flow into the bottom quickly and evenly.

Furthermore, the sealing element comprises two wear-resisting rings, a Y-shaped sealing ring and two O-shaped rings, the cylinder sleeve is provided with five grooves from top to bottom, the first groove and the third groove at the uppermost end are used for fixing the two wear-resisting rings, the wear-resisting rings are in contact with the piston rod to prevent the wear-resisting rings from being scratched due to contact with the inner metal wall inside the lifting oil cylinder, the second groove is used for placing the Y-shaped sealing ring, and the fourth groove and the fifth groove are used for placing the two O-shaped rings. The design structure is more reasonable.

Furthermore, the oil inlet pipe and the oil inlet and the oil return pipe and the oil passing hole II are connected through threads. The design is convenient for disassembly and assembly.

Compared with the prior art, the utility model has the advantages of: this electronic drive arrangement that plays to rise assembles into one set of neotype electronic hydraulic carrier with original fork frame and U-shaped support, on keeping the basis of original function, increases electronic drive function that plays to rise again, not only reaches waste utilization, and reduce cost can alleviate intensity of labour moreover, improves cargo handling efficiency.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 is a part schematic diagram of an electric lifting driving device of a carrier.

Fig. 2 is the lifting oil cylinder semi-section structure schematic diagram.

Fig. 3 is the lifting oil cylinder and gear pump oil circuit schematic diagram.

1, a drive assembly; 2. a roller; 3. a counter bore; 4. a connecting seat; 5. a bearing; 6. a lifting oil cylinder; 7. an oil cylinder body; 8. a piston bore; 9. a piston rod; 10. a cylinder liner; 11. a projecting cylinder; 12. an oil passing hole I; 13. an oil inlet; 14. a hand-pulled plate; 15. an oil passing hole II; 16. a gear pump; 17. an oil outlet; 18. an oil return port; 19. an oil inlet pipe; 20. an oil return pipe; 21. a one-way valve; 22. an overflow valve; 23. a cone valve; 24. a pressure relief wrench; 25. a battery box; 26. a controller; 27. an accelerator; 28. a lifting switch; 29. a forward/reverse switch; 30. a scram switch; 31. mutually penetrating the holes; 32. a wear ring; 33. a Y-shaped seal ring; 34. an O-ring.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1, the electric lifting driving device of a transporting vehicle provided by this embodiment includes a driving assembly 1, a battery box 25, a controller 26, a connecting seat 4, a gear pump 16, a lifting cylinder 6, a hand-pulling plate 14 and an accelerator 27, where the driving assembly 1 employs a brushless dc permanent magnet motor, the brushless dc permanent magnet motor has a small volume, a simple structure and a high efficiency, a hall driver is installed on the surface of the driving assembly 1 to facilitate maintenance, the driving assembly 1 drives a roller 2 at the bottom of the driving assembly 1 to rotate through a speed reducer, the roller 2 is preferably a PU polyurethane wheel, the top of the driving assembly 1 is provided with a counter bore 3, a set of lithium batteries is installed inside the battery box 25, the battery box 25 is fixed with a bolt on the side of an existing fork frame to effectively avoid damage caused by rigid collision, the controller 26 is installed on the right side of the battery box 25, and the lithium, the capacity is 10Ah, so the volume is small, the power is sufficient, the installation is simple, the performance is stable and reliable, the battery box 25 is used as the total power supply of the whole electric lifting driving device, the controller 26 is used as a control unit assembly to control the driving assembly 1 to move forward, move backward and stop suddenly, and simultaneously control the operation of the gear pump 16, the connecting seat 4 is an oval mounting plate, the center of the connecting seat is vertically provided with a central hole, a bearing 5 is fixed in the central hole, two sides of the connecting seat 4 are provided with round holes for assembling lock pins, so that a U-shaped bracket is fixedly installed with the connecting seat 4 through the lock pins, the lifting oil cylinder 6 is continuously explained by combining with a figure 2 and a figure 3, and comprises a convex cylinder 11, an oil cylinder body 7, a piston hole 8, a piston rod 9, a cylinder sleeve 10 and a sealing element, the convex cylinder 11 is fixed at the right side of the bottom of the, the two sides of the bottom of the convex cylinder 11 are milled to a certain thickness to form an arc surface which is convenient to be inserted into the counter bore 3, the piston hole 8 is arranged on the cylinder body 7 and extends from the top of the cylinder body 7 to the center of the convex cylinder 11, the piston hole 8 does not penetrate through the bottom of the convex cylinder 11, so as to ensure the strength of the bottom of the convex cylinder 11, a groove is arranged on the hole wall near the top of the piston hole 8 and is used for placing a dust ring to prevent dust impurities from entering the piston hole 8, the inside of the piston hole 8 is used for placing a cylinder sleeve 10, the piston rod 9 is inserted into the cylinder sleeve 10, an oil passing hole I12 extends upwards from the bottom of the piston rod 9, an oil inlet 13 communicated with the oil passing hole I12 is arranged on the right side of the piston rod 9 near the top, the oil passing hole I12 is provided with a phase hole 31 horizontally penetrating through the piston rod 9 at a position near the bottom, and the phase hole 31 enables incoming hydraulic oil to rapidly, the cylinder sleeve 10 has the function of enabling the piston rod 9 to move up and down freely without oil leakage, five grooves are formed in the cylinder sleeve 10 from top to bottom, the first groove and the third groove at the uppermost end are used for fixing two wear-resisting rings 32, the wear-resisting rings 32 are in contact with the piston rod 9 and are prevented from being scratched by contact with the inner metal wall inside the lifting oil cylinder 6, the second groove is used for placing a Y-shaped sealing ring 33, the fourth groove and the fifth groove are used for placing two O-shaped rings 34, the wear-resisting rings 32, the Y-shaped sealing rings 33 and the O-shaped rings 34 form sealing elements, the sealing elements enable the grooves of the cylinder sleeve to form a sealing environment and prevent oil leakage, an oil passing hole II 15 communicated into the cylinder sleeve 10 is further formed in the cylinder body 7, the oil passing hole II 15 is preferably located in the cylinder sleeve 10 between the Y-shaped sealing rings 33 and the O-shaped rings 34, the gear pump, the lower end is provided with an oil return port 18, an oil outlet 17 is connected with an oil inlet 13 of a lifting oil cylinder 6 through an oil inlet pipe 19, the oil return port 17 is connected with an oil passing hole II 15 on an oil cylinder body 7 through an oil return pipe 20, the oil inlet pipe 19 is provided with a one-way valve 21, the oil return pipe 20 is connected with an overflow valve 22 and a cone valve 23 in parallel, the cone valve 23 is connected with a pressure relief spanner 24 arranged on a hand-pulling plate 14, the overflow valve 22 can automatically overflow into an oil storage tank when the pressure in the oil return pipe 20 is overhigh to play a safety protection role, the cone valve 23 pulls the pressure relief spanner 24 when goods need to be put down, the cone valve 23 can be synchronously opened, hydraulic oil returns into the oil storage tank to enable the hydraulic vehicle to descend, as an optimal structure, the oil inlet pipe 19 and the oil inlet 13 as well as the oil return pipe 20 and the oil passing hole II 15 are both connected through, continuing, the bottom of the hand-pulling plate 14 is connected with the cylinder body 7 through a pin, the hand-pulling plate 14 rotates leftwards to drive the protruding cylinder 11 of the lifting cylinder 6 to rotate synchronously, the driving assembly 1 also rotates synchronously because the protruding cylinder 11 of the lifting cylinder 6 is in interference fit with the counter bore 3 on the driving assembly 1, the accelerator 27 is fixed on the upper part of the hand-pulling plate 14, the accelerator 27 is connected with the controller 26 through a circuit, the lifting switch 28, the forward/backward switch 29 and the emergency stop switch 30 are fixed on the accelerator 26, the input signals are connected to the controller 26, the lifting switch 28 controls the lifting of the lifting cylinder 6, the forward/backward switch 29 controls the forward and backward of the brushless driving assembly 1, the emergency stop switch 30 is in a large arc shape, when a human body or a foreign body is touched, the emergency stop signal is triggered, and the whole truck stops immediately, so as not to cause accidents, when the hand-pulling plate 14 is upright, the accelerator 27 automatically cuts off the operation of the whole circuit, and the switch can only work normally when the hand-pulling plate 14 is not in the upright position.

The electric lifting driving device provided by the embodiment takes a 2-ton electric hydraulic lifting vehicle as an example, all the components are assembled as follows, a gear pump 16 and a battery box 25 are fixed on a side steel plate of a fork frame through bolts, damage caused by rigid collision can be effectively avoided, a connecting seat 4 is fixedly connected with a U-shaped bracket through pins, an oil cylinder body 7 is fixedly connected with a counter bore 3 at the upper part of a driving assembly 1 through a convex cylinder 11 of the oil cylinder body through a bearing 5, the overall height of the electric lifting driving device is greatly reduced through the assembling mode, the structure is more compact, the oil cylinder body 7 and the gear pump 16 are connected with an oil inlet pipe 19 and an oil return pipe 20, the upper part of the oil cylinder body 7 is connected with a hand-pulling plate 14 through pins, a set of accelerator 27 is fixed on the hand pulling plate 14, when goods need to be conveyed, the fork frame is inserted into a pallet of the goods, the lifting switch 28 on the accelerator 27 is pressed, the motor in the gear pump 16 is electrified and then rotates to drive the gear pump 16 to rotate, hydraulic oil enters the gear pump 16, passes through the check valve 21, the oil inlet pipe 19 and the oil through bolt, and enters the bottom of the oil cylinder body 7 through an internal oil circuit, so that the piston rod 9 is jacked up, the piston rod 9 drives the whole pallet fork frame to jack up the goods, when the lifting switch 28 is loosened without lifting, the gear pump 16 stops working at the moment, but the hydraulic oil can not flow back under the action of the check valve 21, the original pressure can be maintained, the pressure maintaining effect is achieved, when the goods are to be put down, only the pressure relief wrench 24 on the hand-pulling plate 14 needs to be tightened, the cone valve 23 is opened through the pressure relief wrench 24 through a mechanical structure, the pallet fork frame slowly descends, the goods are put down, when the forward switch is pressed, the forward rotation assembly, the electric hydraulic carrier moves forward, a backward switch is pressed, the driving assembly 1 rotates reversely, the roller 2 is driven to rotate reversely, and the electric hydraulic carrier moves backward.

After adopting above-mentioned structure, the electronic drive arrangement that plays that this embodiment provided can assemble into one set of neotype electronic hydraulic carrier with original fork frame and U-shaped support, on keeping original functional basis, increases electronic drive function that plays to rise again, not only reaches waste utilization, reduce cost, can alleviate intensity of labour moreover, improves cargo handling efficiency.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by those skilled in the art. 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. An electric lifting drive device of a carrier, comprising:

the battery box supplies power for the electric lifting driving device;

2. The electric lifting drive device of a transporting vehicle as claimed in claim 1, wherein the drive assembly is a brushless dc permanent magnet motor, and the rollers are PU polyurethane wheels.

3. The electric lifting drive device for a cart according to claim 1, wherein said bottom surface of said protruding cylinder is a circular arc surface.

4. The electric lift drive of a cart of claim 1, wherein said piston rod has a bore extending horizontally through said piston rod near the bottom thereof.

5. The electric lifting drive device of a transporting vehicle as claimed in claim 1, wherein the sealing member includes two wear rings, a Y-ring and two O-rings, the cylinder liner has five grooves from top to bottom, the first and third grooves at the top are used for fixing the two wear rings, the wear rings are in contact with the piston rod to prevent scratches caused by contact with the inner metal wall of the lifting cylinder, the second groove is used for placing the Y-ring, and the fourth and fifth grooves are used for placing the two O-rings.

6. The electric lifting driving device of a transporting vehicle as claimed in claim 1, wherein the oil inlet pipe and the oil inlet and the oil return pipe and the oil passing hole ii are connected by screw threads.