CN215794090U - Hydraulic lifting type self-discharging vehicle carriage - Google Patents

Abstract

The utility model relates to a hydraulic lifting type self-discharging vehicle carriage, belonging to the technical field of carriages. Including the carriage body, carriage body both sides are all fixed and are provided with fixed guardrail, fixed guardrail top all is provided with increases the breast board, increase between breast board and the fixed guardrail through lifting means swing joint, lifting means includes sleeve pipe, flexible pipe and two effect pneumatic cylinders, sleeve pipe and fixed guardrail fixed connection, flexible pipe bottom cup joints in the cover, flexible pipe top and fixed guardrail fixed connection, two effect pneumatic cylinder fixed mounting are intraductal at the cover, two effect pneumatic cylinder tops with increase breast board fixed connection, carriage body one side fixed mounting has the power pack who is used for providing power for two effect pneumatic cylinders, be connected through oil pressure pipeline subassembly between power pack and the two effect pneumatic cylinder, oil pressure pipeline subassembly is used for transmitting and distributing the oil pressure. The utility model solves the problems that the height of the guardrail of the carriage of the dump truck in the prior art can not be adjusted and the like.

Description

Hydraulic lifting type self-discharging vehicle carriage

Technical Field

The utility model relates to a hydraulic lifting type self-discharging vehicle carriage, belonging to the technical field of carriages.

Background

Most of the self-discharging carriages on the market are integral carriages, the heights of the carriages on two sides are fixed, the loading tools mainly comprise excavators, and due to the limitation of the ground clearance of the carriages on two sides, the carriage plate upper edge beams are easy to knock and damage; because the height of the carriage is fixed, the bottom plate of the carriage is easy to crush when the excavator loads a goods source from top to bottom; and the carriage can not pull one cargo source, the cargos can be changed frequently, the weight density of each cargo is different, some cargo sources need to be pulled more, but the height of the carriage is fixed, and the preset effect cannot be achieved.

Prior art application number is CN 201910836138.8's patent document discloses a carriage frame for haulage vehicle, including the main tributary fagging, the hub frame is installed to the rear end of main tributary fagging, the engaging lug is installed to the rear end of hub frame, the engaging lug is connected fixedly through the electric push rod that can stretch out and draw back with the link of hub frame, long fagging is installed to the other end of engaging lug, and the engaging lug articulates the side in long fagging, long fagging is extending structure, the first side guard plate of main tributary fagging rear end side fixed mounting, sets up the second hydraulic stem on the first side guard plate, on long fagging is connected to the bottom of second hydraulic stem, and second side guard plate and inclined guard plate are all installed to main tributary fagging and hub frame both sides.

The dumper carriage in the prior art has the problems that the height of the guardrail cannot be adjusted and the like, so the utility model provides a hydraulic lifting type dumper carriage for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the height of a guardrail of the existing dumper carriage cannot be adjusted and the like, the hydraulic lifting dumper carriage is designed, the height of the guardrail can be adjusted by arranging the heightening breast board and the lifting assembly, the collision damage during loading is prevented, and meanwhile, the hydraulic lifting dumper carriage is suitable for the heights of the guardrails required by different goods.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a carriage of a hydraulic lifting type dump truck comprises a carriage body, wherein fixed guardrails are fixedly arranged on both sides of the carriage body, heightening baffle plates are arranged above the fixed guardrails, the heightening baffle plates are movably connected with the fixed guardrails through lifting components, the lifting component comprises a sleeve, an extension pipe and a double-acting hydraulic cylinder, the sleeve is fixedly connected with the fixed guardrail, the bottom end of the telescopic pipe is sleeved in the sleeve, the top end of the telescopic pipe is fixedly connected with the fixed guardrail, the double-acting hydraulic cylinder is fixedly arranged in the sleeve, the top end of the double-acting hydraulic cylinder is fixedly connected with the heightening breast board, a power unit for providing power for the double-acting hydraulic cylinder is fixedly arranged on one side of the carriage body, the power unit is connected with the double-acting hydraulic cylinder through an oil pressure pipeline assembly, and the oil pressure pipeline assembly is used for transmitting and distributing oil pressure.

The number of the lifting assemblies on each side of the two sides of the carriage body is at least two, and the lifting assemblies on each side of the carriage body are connected with the power unit through oil pressure pipeline assemblies.

The oil pressure pipeline assembly is fixedly arranged at the bottom end of the carriage body and comprises an oil supply main pipe and an oil return main pipe, one end of the oil supply main pipe is communicated with the power unit, the other end of the oil supply main pipe is communicated with a flow distribution and collection valve, the output end of the flow distribution and collection valve is communicated with two oil supply branch pipes, and one ends, far away from the flow distribution and collection valve, of the two oil supply branch pipes are respectively communicated with the input ends of the corresponding double-acting hydraulic cylinders; the oil return is responsible for one end and power pack intercommunication, and the other end intercommunication has the tee junction head, the both ends that the tee junction head was kept away from the oil return and is responsible for communicate respectively there is the choke valve, the one end that the tee junction head was kept away from to the choke valve communicates respectively has oil return branch pipe, oil return branch pipe communicates with the output of the two effect pneumatic cylinders that correspond respectively.

The sleeve is embedded in the fixed guardrail, the top end of the sleeve is flush with the top end of the fixed guardrail, and the bottom end of the sleeve is flush with the bottom end of the carriage body.

Compared with the prior art, the utility model has the following characteristics and beneficial effects: according to the utility model, through the arrangement of the heightening breast board and the lifting assembly, the lifting assembly can enable the height of the heightening breast board to rise or fall, so that the effect of adjusting the height of the heightening breast board is achieved;

the number of the lifting components is set, so that the lifting transmission stability is improved;

according to the hydraulic control system, through the arrangement of the oil pressure pipeline assembly, the oil pressure can be distributed by the oil pressure pipeline assembly, so that the power unit can control all double-acting hydraulic cylinders, and the heightened breast boards on the two sides of the carriage body can be independently controlled;

according to the utility model, the telescopic pipe and the sleeve pipe guide the heightening breast board through the arrangement of the sleeve pipe and the telescopic pipe, so that the deviation of the heightening breast board is prevented.

Drawings

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

FIG. 2 is a bottom plan view of the overall structure of the present invention;

FIG. 3 is a partial schematic view of an oil pressure line assembly according to the present invention;

fig. 4 is a partial enlarged view of a in fig. 1 according to the present invention.

Wherein the reference numerals are: 10. a carriage body; 11. fixing the guard bar; 12. heightening a breast board; 2. a power unit; 20. a lifting assembly; 21. a sleeve; 22. a telescopic pipe; 23. a double-acting hydraulic cylinder; 30. an oil pressure line assembly; 31. an oil supply main pipe; 32. an oil return main pipe; 33. a three-way connector; 34. a flow distributing and collecting valve; 35. a throttle valve; 36. an oil supply branch pipe; 37. and an oil return branch pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the hydraulic lift type dump truck carriage of this embodiment includes a carriage body 10, fixed guardrails 11 are fixedly disposed on both sides of the carriage body 10, heightened fenders 12 are disposed above the fixed guardrails 11, the heightened fenders 12 are movably connected with the fixed guardrails 11 through a lifting assembly 20, the lifting assembly 20 includes a sleeve 21, a telescopic pipe 22 and a double-acting hydraulic cylinder 23, the sleeve 21 is fixedly connected with the fixed guardrails 11, a bottom end of the telescopic pipe 22 is sleeved in the sleeve 21, a top end of the telescopic pipe 22 is fixedly connected with the fixed guardrails 11, the double-acting hydraulic cylinder 23 is fixedly mounted in the sleeve 21, a top end of the double-acting hydraulic cylinder 23 is fixedly connected with the heightened fenders 12, a power unit 2 for providing power to the double-acting hydraulic cylinder 23 is fixedly mounted on one side of the carriage body 10, the power unit 2 is connected with the double-acting hydraulic cylinder 23 through an oil pressure pipeline assembly 30, the oil pressure line assembly 30 is used to transmit and distribute oil pressure.

Further, the number of the lifting assemblies 20 on each side of the carriage body 10 is at least two, and the lifting assemblies 20 on each side of the carriage body 10 are connected with the power unit 2 through the oil pressure pipeline assembly 30.

Further, the oil pressure pipeline assembly 30 is fixedly arranged at the bottom end of the carriage body 10, the oil pressure pipeline assembly 30 includes an oil supply main pipe 31 and an oil return main pipe 32, one end of the oil supply main pipe 31 is communicated with the power unit 2, the other end is communicated with a flow distribution and collection valve 34, the output end of the flow distribution and collection valve 34 is communicated with two oil supply branch pipes 36, and one ends of the two oil supply branch pipes 36 far away from the flow distribution and collection valve 34 are respectively communicated with the input ends of the corresponding double-acting hydraulic cylinders 23; one end of the oil return main pipe 32 is communicated with the power unit 2, the other end of the oil return main pipe is communicated with a three-way connector 33, two ends, far away from the oil return main pipe 32, of the three-way connector 33 are respectively communicated with a throttle valve 35, one ends, far away from the three-way connector 33, of the throttle valves 35 are respectively communicated with oil return branch pipes 37, and the oil return branch pipes 37 are respectively communicated with output ends of the corresponding double-acting hydraulic cylinders 23.

Further, the sleeve 21 is embedded in the fixed guardrail 11, the top end of the sleeve 21 is flush with the top end of the fixed guardrail 11, and the bottom end of the sleeve 21 is flush with the bottom end of the carriage body 10.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A hydraulic lifting type self-discharging vehicle carriage is characterized in that: including the carriage body (10), carriage body (10) both sides all are fixed and are provided with fixed guardrail (11), fixed guardrail (11) top all is provided with increases breast board (12), increase between breast board (12) and fixed guardrail (11) through lifting subassembly (20) swing joint, lifting subassembly (20) includes sleeve pipe (21), flexible pipe (22) and two effect pneumatic cylinder (23), sleeve pipe (21) and fixed guardrail (11) fixed connection, flexible pipe (22) bottom cup joints in sleeve pipe (21), flexible pipe (22) top and fixed guardrail (11) fixed connection, two effect pneumatic cylinder (23) fixed mounting is in sleeve pipe (21), two effect pneumatic cylinder (23) top with increase breast board (12) fixed connection, carriage body (10) one side fixed mounting has power pack (2) that are used for providing power for two effect pneumatic cylinder (23), the power unit (2) is connected with the double-acting hydraulic cylinder (23) through an oil pressure pipeline assembly (30), and the oil pressure pipeline assembly (30) is used for transmitting and distributing oil pressure.

2. The hydraulic lift dump truck carriage of claim 1 wherein: the number of the lifting assemblies (20) on each side of two sides of the carriage body (10) is at least two, and the lifting assemblies (20) on each side of the carriage body (10) are connected with the power unit (2) through oil pressure pipeline assemblies (30).

3. The hydraulic lift dump truck carriage of claim 2 wherein: the hydraulic control system is characterized in that the hydraulic pipeline assembly (30) is fixedly arranged at the bottom end of the carriage body (10), the hydraulic pipeline assembly (30) comprises an oil supply main pipe (31) and an oil return main pipe (32), one end of the oil supply main pipe (31) is communicated with the power unit (2), the other end of the oil supply main pipe is communicated with a flow distribution and collection valve (34), the output end of the flow distribution and collection valve (34) is communicated with two oil supply branch pipes (36), and one ends, far away from the flow distribution and collection valve (34), of the two oil supply branch pipes (36) are respectively communicated with the input ends of corresponding double-acting hydraulic cylinders (23); the oil return is responsible for (32) one end and power pack (2) intercommunication, and the other end intercommunication has tee junction head (33), tee junction head (33) keep away from the oil return and are responsible for the both ends of (32) and communicate respectively has choke valve (35), the one end that tee junction head (33) were kept away from in choke valve (35) communicates respectively has oil return branch pipe (37), oil return branch pipe (37) communicate with the output of the two effect pneumatic cylinders (23) that correspond respectively.

4. The hydraulic lift dump truck carriage of claim 1 wherein: the sleeve (21) is embedded in the fixed guardrail (11), the top end of the sleeve (21) is flush with the top end of the fixed guardrail (11), and the bottom end of the sleeve (21) is flush with the bottom end of the carriage body (10).

Images