CN203129071U - Novel snow throwing vehicle chassis - Google Patents
Novel snow throwing vehicle chassis Download PDFInfo
- Publication number
- CN203129071U CN203129071U CN 201320101756 CN201320101756U CN203129071U CN 203129071 U CN203129071 U CN 203129071U CN 201320101756 CN201320101756 CN 201320101756 CN 201320101756 U CN201320101756 U CN 201320101756U CN 203129071 U CN203129071 U CN 203129071U
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- oil
- snow throwing
- hydraulic
- throwing machine
- snow
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- Expired - Lifetime
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Abstract
The utility model relates to a novel snow throwing vehicle chassis. The novel snow throwing vehicle chassis is characterized in that an engine and speed changing box power assembly is arranged in front of a vehicle frame, the output end of a variable pump is connected with a metering pump to form series-connected pumps and are suspended and fixed on the vehicle frame through a hydraulic pump and behind the engine and speed changing box power assembly, an output shaft of an engine power output device is connected with an input shaft of the variable pump, an oil inlet and an oil outlet of the variable pump are connected with a hydraulic oil tank through oil pipes, a hydraulic motor is fixed on a snow throwing machine at front end of the vehicle frame, the oil outlet end of the variable pump is connected with the hydraulic motor through an oil pipe, and the output end of the hydraulic motor is connected with a snow cutting drum of the snow throwing machine. An oil inlet of the metering pump is connected with the hydraulic oil tank through an oil pipe, an oil outlet of the metering pump is connected with a main distribution valve group, an oil returning port of the main distribution valve group is connected with the hydraulic oil tank through an oil pipe, oil distribution ports of the main distribution valve group are respectively connected with a lifting control oil cylinder controlling horizontal incline and vertical incline of the snow throwing machine, a pitching control oil cylinder controlling front-back pitching of the snow throwing machine and a rotation control oil cylinder controlling rotation of a snow throwing barrel at the upper portion of the snow throwing machine. The power output of an engine towards the front end of the chassis can be achieved through a hydraulic system, the power demand of the snow throwing machine is met, and stepless regulation of output rotation speed of the snow throwing machine is achieved.
Description
Technical field
The utility model relates to a kind of novel snow throwing chassis, belongs to a kind of snow throwing chassis arrangement.
Background technology
Along with the continuous quickening of Urbanization in China, the mechanization degree of municipal environmental sanitation department is more and more higher.In order to remove road accumulated snow in the winter time fast, guarantee The coast is clear, nearly all environmental sanitation department all has been equipped with snow removing vehicle.Domestic common snow removing vehicle has two kinds of patterns at present, and a kind of is to utilize the domestic automobile chassis refit, at vehicle front snow blade is installed.During snow removing, utilize snow blade to shift snow onto roadside or isolation strip one side, guarantee that motorway does not have accumulated snow, the road surface is unimpeded.This snow removing vehicle structural shape is simple, and is not high to the requests for alternations on chassis; But the snowfall that this snow removing vehicle can be removed is few, and piles up snow drift in the road both sides, also needs the secondary snow removing.Another kind is the external snow removing vehicle product of import, this snow removing vehicle front end is installed the snow throwing machine, the cylinder of snow throwing machine utilization rotation is directly thrown snow in the flowers and trees clump in roadside or in the middle isolation strip, or directly will avenge throwing and advance in the capacity of the tipping body of advancing jointly with snow removing vehicle.This snow removing vehicle amount of clearing the snow is big, and can thoroughly remove road accumulated snow; Weak point is that complete machine is introduced the cost height.
Summary of the invention
The purpose of this utility model provides a kind of novel snow throwing chassis, and it can realize that motor to the output of chassis front end power, satisfies the power demand of snow throwing machine by hydraulic system, and the output speed of snow throwing machine is realized step-less adjustment.
The technical solution of the utility model is achieved in that a kind of novel snow throwing chassis, it is characterized in that: motor and gearbox power assembly are arranged in vehicle frame the place ahead, variable pump output and constant displacement pump connect to form pumps in series and suspend by hydraulic pump and be fixed on the vehicle frame, the rear of motor and gearbox power assembly, the output shaft of engine power output device is connected with the power shaft of variable pump, the oil-feed of variable pump, oil return opening is connected with hydraulic oil container by oil pipe, hydraulic motor is fixed on the vehicle frame front end snow throwing machine, the variable pump oil outlet end connects hydraulic motor by oil pipe, and the snow of cutting that the hydraulic motor output connects the snow throwing machine rouses; Variable pump and constant displacement pump are the connected mode of pumps in series, the constant displacement pump oil-in connects hydraulic oil container by oil pipe, the constant displacement pump oil-out connects the main distributing valve group, main distributing valve group oil return opening is connected with hydraulic oil container by oil pipe, and the branch hydraulic fluid port of main distributing valve group connects respectively controls the rotation control oil cylinder that the snow throwing machine tilts and the lifting control oil cylinder of lifting up and down, the pitch control subsystem oil cylinder of controlling the front and back pitching of snow throwing machine and control snow throwing machine top snow throwing cylinder rotate.
The output shaft of described engine power output device is concentric with the power shaft of variable pump.
Good effect of the present utility model is that closed type hydraulic system is directly from engine torque extraction, also realized the step-less adjustment of special equipment working speed when satisfying high-power output, applicable working condition is broader, adopt the mode of pumps in series to realize two kinds of control functions, cancelled the power takeoff of motor to the power transmission shaft between the hydraulic system and gearbox, simplify the structure greatly, and reduced use cost.
Description of drawings
Fig. 1 is snow throwing chassis structure chart of the present utility model.
Fig. 2 is hydraulic control system principle schematic of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further: as shown in Figure 1, a kind of novel snow throwing chassis, it is characterized in that: motor and gearbox power assembly 6 are arranged in vehicle frame 7 the place aheads, variable pump 1 output and constant displacement pump 2 connect to form pumps in series and suspend by hydraulic pump and 8 be fixed on the vehicle frame 7, the rear of motor and gearbox power assembly 6, the output shaft of engine power output device 9 is connected with the power shaft of variable pump 1, the oil-feed of variable pump 1, oil return opening is connected with hydraulic oil container 5 by oil pipe, hydraulic motor 3 is fixed on the vehicle frame front end snow throwing machine, variable pump 1 oil outlet end connects hydraulic motor 3 by oil pipe, and the snow of cutting that hydraulic motor 3 outputs connect snow throwing machine 10 rouses; Variable pump 1 is the connected mode of pumps in series with constant displacement pump 2, constant displacement pump 2 oil-ins connect hydraulic oil container 5 by oil pipe, constant displacement pump 2 oil-outs connect main distributing valve group 4, main distributing valve group 4 oil return openings are connected with hydraulic oil container 5 by oil pipe, and the branch hydraulic fluid port of main distributing valve group 4 connects respectively controls the rotation control oil cylinder that the snow throwing machine tilts and the lifting control oil cylinder of lifting up and down, the pitch control subsystem oil cylinder of controlling the front and back pitching of snow throwing machine and control snow throwing machine 10 top snow throwing cylinders rotate.
The output shaft of described engine power output device 9 is concentric with the power shaft of variable pump 1.
The power source of described novel snow throwing chassis hydraulic control system is motor.Motor drives engine power output device 9 outputs, drives hydraulic work system by engine power output device 9.This engine in situ satisfies car load and normally travels the required power except providing, but all the other whole power feed flow pressing systems use.
Because snow throwing machine consumed power is big, need mate a cover hydraulic control system separately for it; The exercises of snow throwing machine are controlled by hydraulic jack, and each action tank of snow throwing machine also needs to mate a cover HYDRAULIC CONTROL SYSTEM.Therefore two cover hydraulic control systems need be mated in this chassis, in order to save arrangement space, select the mode of pumps in series to realize two cover HYDRAULIC CONTROL SYSTEM modes.
As shown in Figure 2, variable pump, hydraulic motor and fluid pressure line constitute closed type hydraulic system, are used for driving the snow throwing machine and cut the rotation of snow drum.When carrying out the snow throwing action, by the electric current of the knob adjustment in the driver's cabin by the electric proportional valve on the variable pump, thereby adjust the variable pump delivery, adjust the flow that variable pump is supplied with hydraulic motor then; When flow reached certain value, hydraulic motor namely drove the snow throwing machine and cuts the rotation of snow drum, carries out the snow throwing action.The flow of variable pump is proportional with driving rotating speed and discharge capacity, but step-less adjustment.When carrying out the snow throwing operation, car load requires cruise, so engine speed is constant, the driving rotating speed that is variable pump is constant, and at this moment, the output flow of variable pump is only proportional with discharge capacity, therefore can directly control the rotary speed that the snow throwing machine is cut the snow drum by adjusting knob, and carry out step-less adjustment.When needs snow throwing distance, the knob aperture can be increased, improve the rotating speed that the snow throwing machine is cut the snow drum; When needs snow throwing distance is near, the knob aperture can be reduced, reduce the rotating speed that the snow throwing machine is cut the snow drum.
Constant displacement pump, main distributing valve group, fluid pressure line and each action tank have constituted open type hydraulic system, are used for controlling each action or other Hydraulic Elements of snow throwing machine.By the transposition electromagnetic valve on the control of the control crank in the driver's cabin main distributing valve group, thus each control action of realization snow throwing machine.
Variable pump and the constant displacement pump of series connection are fixed on the engine mounting by suspending, thereby guarantee that motor PTO output shaft is concentric with the power shaft of variable pump.
Claims (2)
1. novel snow throwing chassis, it is characterized in that: motor and gearbox power assembly are arranged in vehicle frame the place ahead, variable pump output and constant displacement pump connect to form pumps in series and suspend by hydraulic pump and be fixed on the vehicle frame, the rear of motor and gearbox power assembly, the output shaft of engine power output device is connected with the power shaft of variable pump, the oil-feed of variable pump, oil return opening is connected with hydraulic oil container by oil pipe, hydraulic motor is fixed on the vehicle frame front end snow throwing machine, the variable pump oil outlet end connects hydraulic motor by oil pipe, and the snow of cutting that the hydraulic motor output connects the snow throwing machine rouses; Variable pump and constant displacement pump are the connected mode of pumps in series, the constant displacement pump oil-in connects hydraulic oil container by oil pipe, the constant displacement pump oil-out connects the main distributing valve group, main distributing valve group oil return opening is connected with hydraulic oil container by oil pipe, and the branch hydraulic fluid port of main distributing valve group connects respectively controls the rotation control oil cylinder that the snow throwing machine tilts and the lifting control oil cylinder of lifting up and down, the pitch control subsystem oil cylinder of controlling the front and back pitching of snow throwing machine and control snow throwing machine top snow throwing cylinder rotate.
2. according to a kind of novel snow throwing chassis described in the claim 1, it is characterized in that the output shaft of described engine power output device is concentric with the power shaft of variable pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101756 CN203129071U (en) | 2013-03-06 | 2013-03-06 | Novel snow throwing vehicle chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101756 CN203129071U (en) | 2013-03-06 | 2013-03-06 | Novel snow throwing vehicle chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203129071U true CN203129071U (en) | 2013-08-14 |
Family
ID=48937066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320101756 Expired - Lifetime CN203129071U (en) | 2013-03-06 | 2013-03-06 | Novel snow throwing vehicle chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203129071U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965325A (en) * | 2017-04-21 | 2017-07-21 | 湖南挖挖工程科技有限公司 | A kind of diesel concrete stirring pumping device |
| CN108212335A (en) * | 2017-12-27 | 2018-06-29 | 徐工集团工程机械有限公司 | Crusher |
-
2013
- 2013-03-06 CN CN 201320101756 patent/CN203129071U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965325A (en) * | 2017-04-21 | 2017-07-21 | 湖南挖挖工程科技有限公司 | A kind of diesel concrete stirring pumping device |
| CN108212335A (en) * | 2017-12-27 | 2018-06-29 | 徐工集团工程机械有限公司 | Crusher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
|
| CX01 | Expiry of patent term |