CN207673656U - A kind of truck hydraulic accessory type approval test test device - Google Patents
A kind of truck hydraulic accessory type approval test test device Download PDFInfo
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- CN207673656U CN207673656U CN201721739138.9U CN201721739138U CN207673656U CN 207673656 U CN207673656 U CN 207673656U CN 201721739138 U CN201721739138 U CN 201721739138U CN 207673656 U CN207673656 U CN 207673656U
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Abstract
The utility model provides a kind of truck hydraulic accessory type approval test test device, including power supply system, mechanical system, electrical control system, hydraulic system and display system, when work, hydraulic pressure accessory to be measured is fixed on mechanical rack, by hydraulic system by oil circuit connection accessory and rack, the power of execution action is provided for it；Electrical control system connects hydraulic system by solenoid valve, and control hydraulic system acquires accessory and hydraulic system associated arguments in real time to offer different flow, the hydraulic oil of pressure by all types of sensors, and is handled by data collector；After failure, urgent protection can be realized.The utility model lift truck attachment type approval test test device, it solves the problems, such as to lack hydraulic pressure accessory test device on the market, experimental data support can be provided for the Optimal improvements of accessory, fast verification designs, shorten the accessory R＆D cycle, the reliability for improving accessory is of great significance to the development for improving accessory technical merit, promoting technological progress, improving product quality, promotion industry.
Description
Technical field
The utility model is related to a kind of hydraulic system technical field of measurement and test more particularly to truck hydraulic accessory type approval test to survey
Trial assembly is set.
Background technology
With the raising of living standards of the people, e-commerce it is universal, logistics demand is sharply increased, the demand to fork truck
Amount also increases.Important composition part of the accessory as fork truck has the characteristics that high efficiency, low-loss, safe, increasingly by market institute
Understanding and receiving, lift truck attachment market will also continue to keep the impetus of steady-state growth.
At home, the lift truck attachment manufacturer of inexpensive brand can be put out a new product rapidly by imitated High Tier Brand, but
Since key parameter, processing technology do not reach requirement, the reliability of accessory cannot be guaranteed；Further, since domestic correlation hydraulic pressure
Measuring technology development more lags, and possesses the domestic manufacturers of autonomous Design ability after the design for completing fork truck is manufactured, difficult
To be tested accessory comprehensively, product design manufacturing defect is not easy to find, influences the service life of accessory, causes accessory can
It is difficult to be promoted by property, home brands is caused to be in a disadvantageous position with foreign brand name world market of wrestling.
In addition lift truck attachment type is various, and there are about more than 30 kinds for now widely used accessory；Accessory is constantly toward individual character simultaneously
Change customization direction to develop, this also means that the type of accessory will be continuously increased, and the overwhelming majority is hydraulic accessory.
Type approval test test device currently on the market, it is most of all to there is a problem of that the degree of automation is relatively low, efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of truck hydraulic accessory type approval test test devices, overcome traditional liquid
Pressure test system automation degree is not high, efficiency is low disadvantage provides automation, efficient for the type approval test of truck hydraulic accessory
The test platform of rate.
To achieve the goals above, the utility model adopts the following technical solution：
Truck hydraulic accessory type approval test test device, including power supply system, mechanical system, electrical control system, hydraulic pressure
System and display system；
The power supply system includes three-phase distribution cabinet and UPS；The mechanical system includes mechanical rack and is fixed on described
Hydraulic pressure accessory to be measured on mechanical rack；The electrical control system includes data sampling sensor, data collector, electric-controlled
Cabinet, error protection control circuit and protection fault relay processed；The hydraulic system include hydraulic station and by oil circuit with it is described
The solenoid valve that hydraulic station is connected；The display system includes failure audible-visual annunciator, industrial display and indicator light instrument；
Working power is provided for the hydraulic system by the three-phase distribution cabinet, is respectively the electrical survey by the UPS
Control system and the display system provide working power；
The output end of the hydraulic station is separately connected the hydraulic pressure accessory to be measured and the mechanical rack by oil circuit, is it
Provide execution action power；
The output end of the electrical control cabinet connects the electromagnetic coil of the solenoid valve, described in the solenoid valve control
The hydraulic oil of hydraulic station offer different flow, pressure；
The data sampling sensor is respectively arranged at the hydraulic pressure accessory to be measured and the oil circuit of the hydraulic station measures
The output end at place, the data sampling sensor is connected to the data collector, the output end difference of the data collector
It is connected to the input terminal of the electrical control cabinet input terminal and the display system；
The display output end of the electrical control cabinet connects the input terminal of the display system, the electrical control cabinet and institute
Error protection control circuit is stated to be bi-directionally connected, the output end of the error protection control circuit be separately connected the error protection after
The output end of the input terminal of the input terminal of electric appliance and the display system, the protection fault relay connects the three-phase distribution
The control terminal of case.
The data sampling sensor includes pressure sensor, flow sensor, temperature sensor, liquid level sensor, turns
Fast sensor, voltage sensor and current sensor.
The three-phase distribution cabinet is switched equipped with urgent off-load.
Two hydraulic stations are arranged using double pressure dwelling loop hydraulic stations in the hydraulic station, and one common, and another conduct is urgent
It is spare.
It is attached by quick-release connector between the machinery rack and the hydraulic pressure accessory to be measured.
After adopting the above scheme, the truck hydraulic accessory type approval test test device of the utility model, when work, according to fork
The requirement of vehicle hydraulic pressure accessory type approval test, builds test platform, hydraulic pressure accessory to be measured is fixed on mechanical rack, by hydraulic station
By oil circuit connection hydraulic pressure accessory to be measured and mechanical rack, the power of execution action is provided for it；Electrical control system passes through electricity
Magnet valve etc. connects hydraulic station, control hydraulic station provide different flow, pressure hydraulic oil, and adopted in real time by all types of sensors
Collect hydraulic pressure accessory to be measured and hydraulic station associated arguments, is sent to electric control system and display system；It, can after failure
Realize urgent protection；In addition, the power unit of hydraulic station connects the power supply of three-phase distribution cabinet, electrical control system and display system
Part connection UPS, it can be ensured that the realization of power supply protection measure.
The truck hydraulic accessory type approval test test device of the utility model, effect are actively and it will be evident that solving
The problem of lacking hydraulic pressure accessory test device on the market, provides automation, efficient for the type approval test of truck hydraulic accessory
Test platform.Experimental data support can be provided for the Optimal improvements of accessory, fast verification design shortens the accessory R＆D cycle,
Improve the reliability of accessory.The professional standard of lift truck attachment is not perfect enough in formulation at present, therefore this test device can be
Lift truck attachment standard formulation provides test method and data, the formulation for accessory professional standard or even national standard provide foundation.
Simultaneously this test device effective, advanced, science test method can be provided for accessory industry, for different accessories research and development and can
Necessary test foundation is provided by property test, to improving accessory technical merit, promoting technological progress, improves product quality, promotion
The development of industry is of great significance.
Description of the drawings
Fig. 1 is the fundamental diagram of the truck hydraulic accessory type approval test test device of the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings to the specific implementation mode of the truck hydraulic accessory type approval test test device of the utility model
It is described in detail.
As shown in Figure 1, the truck hydraulic accessory type approval test test device of the utility model, including：Mechanical system 100,
Hydraulic system 200, electrical control system 300, display system 400 and power supply system.
The mechanical system 100 includes mechanical rack 103 and the hydraulic pressure accessory to be measured being fixed on the mechanical rack 103
102.Fictitious load 101 is placed at the load carrying of hydraulic pressure accessory 102 to be measured.
The hydraulic system 200 includes hydraulic station 201 and the solenoid valve being connected with the hydraulic station 201 by oil circuit
202, by control solenoid valve 202 come execute mechanical 103 promotions of rack/inclination/translation and hydraulic pressure accessory 102 to be measured rotation/
The actions such as sidesway/advance/lifting.
The hydraulic station 201 is conventional hydraulic station, including tank mounting, power motor, hydraulic pressure pump group, hydraulic valve bank,
Accumulator, circulating filtration cooling system, waste oil recycling pump group etc., height is provided to hydraulic pressure accessory 102 to be measured and mechanical rack 103
Pressure, flow point supply or the cleaning hydraulic oil at interflow.
Described solenoid valve 202, including check valve, safety valve, directional control valve, flow control valve, speed-regulating valve etc. are used
In the output of adjusting control hydraulic system.
The electrical control system 300 includes data sampling sensor 331, data collector (Agilent34970A)
332, electrical control cabinet 311, error protection control circuit 322 and protection fault relay 321.
The display system 400 includes failure audible-visual annunciator 410, industrial display 420, indicator light and instrument 430.It is logical
The mechanical electronic hydraulic that the instrument real-time display electrical control system 300 crossed in industrial display 420 and indicator light and instrument 430 obtains is each
Parameter, and by indicator light in indicator light and instrument 430 and 410 real-time display hydraulic station 201 of failure audible-visual annunciator and
The test run state of hydraulic pressure accessory 102 to be measured.
Power supply system includes three-phase distribution cabinet 510 and UPS 520.
Since prime mover and cooling system power of hydraulic station 201 are higher, while three-phase alternating current is required, three-phase distribution cabinet
510 power input connects three-phase alternating current, and hydraulic station 201 is individually powered using three-phase distribution cabinet 510, medium and small efficiency
Motor (such as cooling system motor) is opened using the mode that directly initiates, high power motor (such as hydraulic pump prime mover) using soft
Flowing mode, reduces motor start-up instantaneous large-current or large torque is damaged caused by equipment.
The power input of the UPS 520 connects alternating current 220V, the electrical control system 300 and the display system
400 provide working power by the UPS 520, it is ensured that when emergency occurs, error protection measure normally executes.
The output end of the hydraulic station 201 is separately connected the hydraulic pressure accessory 102 to be measured and the mechanical stage by oil circuit
Frame 103 provides the power of execution action for them.
The output end of the electrical control cabinet 311 is by the electromagnetic coil of solenoid valve described in cable connection 202, by described
Solenoid valve 202 control the hydraulic station 201 provide different flow, pressure hydraulic oil.
The data sampling sensor 331 is respectively arranged at the hydraulic pressure accessory 102 to be measured and the hydraulic station 201
The output end of oil circuit measured place, the data sampling sensor 331 is connected to the data collector 332, the data acquisition
The output end of device 332 is respectively connected to the input terminal of the input terminal and the display system 400 of the electrical control cabinet 311.
The display output end of the electrical control cabinet 311 connects the input terminal of the display system 400, the electrical control
Cabinet 311 is bi-directionally connected with the error protection control circuit 322, and the output end of the error protection control circuit 322 connects respectively
Connect the input terminal of the input terminal and the display system 400 of protection fault relay 321, the output of protection fault relay 321
End connects the control terminal of the three-phase distribution cabinet 510.
In the utility model, data sampling sensor 331 have it is multiple, including pressure sensor, flow sensor, temperature pass
Sensor, liquid level sensor, speed probe, voltage sensor and current sensor, wherein pressure sensor are for measuring hydraulic pressure
It stands the input pressure of 201 output pressures and hydraulic pressure accessory 102 to be measured, mounted on 201 hydraulic oil output end of hydraulic station and waits for
Survey the hydraulic oil input terminal of hydraulic pressure accessory 102；Flow sensor is for measuring 201 output flow of hydraulic station and hydraulic pressure category to be measured
The input flow rate of tool 102 is mounted on the hydraulic oil input terminal of 201 hydraulic oil output end of hydraulic station and hydraulic pressure accessory 102 to be measured；
Temperature sensor is used to measure the temperature of 102 vital part of hydraulic fluid temperature and accessory to be measured of hydraulic station 201, installs respectively
In the fuel tank of hydraulic station 201 and in the vital part of accessory to be measured 102；Liquid level sensor is for measuring in hydraulic station 201
The hydraulic oil liquid level of fuel tank is mounted in the fuel tank of hydraulic station 201；Speed probe is for measuring motor in hydraulic station 201
With the rotating speed of rotation class hydraulic pressure accessory 102 to be measured, it is separately mounted to the shaft of motor and hydraulic pressure accessory to be measured in hydraulic station 201
102 and door frame on；Voltage sensor and current sensor are for measuring the voltage of motor, current signal in hydraulic station.
When work, the mechanical electronic hydraulic for acquiring hydraulic pressure accessory 102 and hydraulic station 201 to be measured respectively by data collector 332 is each
The electric parameters such as non-electric parameter and voltage, electric current such as item parameter, including pressure, flow, temperature, liquid level, rotating speed, are acquired by data
Device 332 is handled, and is compared with given threshold, and sends result to electrical control cabinet 311 and display system 400；By
Display system 400 carries out real-time display.If breaking down, failure audible-visual annunciator 410 sends out alarm signal, while electrical control
Cabinet 311 executes corresponding protection act, and if system temperature liter is too fast excessively high, being released by the control solenoid valve 202 of electrical control cabinet 311 is
System pressure stops test process, and by improving the radiating fan rotation speed in hydraulic station 201, carrys out lifting system heat radiation power.
The three-phase distribution cabinet 510 is switched equipped with urgent off-load, is unloaded to intervene realization manually by personnel in failure
Lotus.
Hydraulic protecting is arranged in the hydraulic station 201, increases safety measure in Hydraulic Circuit Design, is specifically protected using double
Road hydraulic station is pushed back, two hydraulic stations are set, one common, and another is used as emergency use.And it is designed with accumulation of energy cylinder, in liquid
When decompression occurs in pressure system, to keep the pressure of crucial hydraulic cylinder.
It is attached, can be carried out by quick-release connector between the machinery rack 103 and the hydraulic pressure accessory 102 to be measured
The quick-replaceable of hydraulic pressure accessory 102 to be measured.
The lift truck attachment type approval test test device of the utility model can be used for test running detection, start pressure characteristic examination
It tests, accessory pressure test, outward leakage experiment, the experiment of band load, accessory pressurize experiment, accessory rotary speed detects, accessory strengthens examination
It tests, accessory overload performance test etc..It is finally completed the comprehensive functional test of truck hydraulic accessory and performance test.
The test running detection, the output pressure of hydraulic station 201 is adjusted by the control solenoid valve 202 of electrical control cabinet 311,
Hydraulic pressure accessory 102 to be measured is set to start under non-loaded operating mode, and whole reciprocating motion is for several times, excludes accessory 102 to be measured completely
Hydraulic cylinder in air.
The startup pressure characteristic experiment, after test running, hydraulic pressure accessory 102 to be measured is under non-loaded operating mode, by electric-controlled
Cabinet 311 processed adjusts the overflow valve in solenoid valve 202, and the hydraulic fluid pressure entered in accessory 102 to be measured is made to be gradually risen from zero, when
When accessory 102 to be measured starts to start, the startup pressure recorded is lowest starting pressure.
The accessory pressure test, makes accessory 102 to be measured be parked in the both ends of stroke respectively, applies 1.5 to working chamber respectively
Nominal pressure again, type approval test pressurize 2min, delivery test pressurize 10s.
The outward leakage detection checks hydraulic pressure category to be measured when carrying out starting pressure characteristic experiment and accessory pressure test
Has the leakage rate at 102 each cylinder piston rod sealings；Whether check has at each sealing of cylinder body, at faying face and at adjustable mechanism
Leakage phenomenon.
The band carries experiment, and cargo is simulated with pouring weight, is picked up or is forked to pouring weight etc. by hydraulic pressure accessory 102 to be measured and is dynamic
Make, and whether observe the variation of accessory parameters normal.
The accessory pressurize experiment, the experiment are carried out for the accessory for being equipped with hydraulic lock, including dynamic pressurize and static load aid
Power is tested.Wherein dynamic pressurize experiment, door frame rises pressurize 2min or more under operating status again after folder class accessory clamps pouring weight, surveys
Measure system pressure drop；Static load chucking power is tested, and picks up 1.33 times of load of rated weight in rotating holding, load centre-to-centre spacing presses vehicle
It must not be fallen it is required that vertical lifting to 0.5m, observes pouring weight in 6 hours.
The accessory rotary speed detection, speed probe is installed on door frame, induction is pasted on hydraulic pressure accessory 102 to be measured
Device measures the rotary speed of accessory；In monitoring process and measure the flow in pipeline.
The accessory strenuous test, hydraulic pressure accessory 102 to be measured is under the flow and nominal load of design requirement, according to as follows
Sequence is tested：It is more than pouring weight height that accessory, which picks up pouring weight, is lifted away from ground, rotates clockwise position in a circle, return, counterclockwise
Rotation turns around, return in position, rotate clockwise a circle etc., by this Operation mode cycle 20 hours；After the completion of strenuous test, measure each
Key point wear extent, fission, deformation, abnormal conditions (such as noise or cracking), while checking that there is ne-leakage in each sealing surface junction
Phenomenon and weld seam situation (including motor, floating bearing, reduction box).
The accessory overload performance test, under rated speed, rated load 125% is clamped in hydraulic pressure accessory 102 to be measured
Weight continuously runs 10h or more according to the sequence of movement of strenuous test, detects the Wen Sheng of accessory vital part.
Embodiment described above has done further description, and it cannot be said that this practicality to the embodiment of the utility model
Novel specific implementation mode is confined to these explanations.It should be pointed out that for those of ordinary skill in the art,
Without departing from the concept of the premise utility, various modifications and improvements can be made, and property or purposes are identical, this
A little protection domains for belonging to invention.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. truck hydraulic accessory type approval test test device, it is characterised in that：Including power supply system, mechanical system, electrical observing and controlling
System, hydraulic system and display system；
The power supply system includes three-phase distribution cabinet and UPS；The mechanical system includes mechanical rack and is fixed on the machinery
Hydraulic pressure accessory to be measured on rack；The electrical control system includes data sampling sensor, data collector, electrical control
Cabinet, error protection control circuit and protection fault relay；The hydraulic system includes hydraulic station and by oil circuit and the liquid
The solenoid valve that pressure station is connected；The display system includes failure audible-visual annunciator, industrial display and indicator light instrument；
Working power is provided for the hydraulic system by the three-phase distribution cabinet, is respectively the electrical observing and controlling system by the UPS
System and the display system provide working power；
The output end of the hydraulic station is separately connected the hydraulic pressure accessory to be measured and the mechanical rack by oil circuit, is carried for them
For the power of execution action；
The output end of the electrical control cabinet connects the electromagnetic coil of the solenoid valve, passes through hydraulic pressure described in the solenoid valve control
Stand provide different flow, pressure hydraulic oil；
The data sampling sensor is respectively arranged at the hydraulic pressure accessory to be measured and the oil circuit measured place of the hydraulic station, institute
The output end for stating data sampling sensor is connected to the data collector, and the output end of the data collector is respectively connected to
The input terminal of the electrical control cabinet input terminal and the display system；
The display output end of the electrical control cabinet connects the input terminal of the display system, the electrical control cabinet and the event
Barrier protection control circuit is bi-directionally connected, and the output end of the error protection control circuit is separately connected the protection fault relay
Input terminal and the display system input terminal, the output end of the protection fault relay connects the three-phase distribution cabinet
Control terminal.
2. truck hydraulic accessory type approval test test device according to claim 1, it is characterised in that：The data acquisition
Sensor include pressure sensor, flow sensor, temperature sensor, liquid level sensor, speed probe, voltage sensor and
Current sensor.
3. truck hydraulic accessory type approval test test device according to claim 1, it is characterised in that：The three-phase distribution
Case is switched equipped with urgent off-load.
4. truck hydraulic accessory type approval test test device according to claim 1, it is characterised in that：The hydraulic station is adopted
With double pressure dwelling loop hydraulic stations, two hydraulic stations are set, one common, and another is used as emergency use.
5. truck hydraulic accessory type approval test test device according to claim 1, it is characterised in that：The machinery rack
It is attached by quick-release connector between the hydraulic pressure accessory to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721739138.9U CN207673656U (en) | 2017-12-13 | 2017-12-13 | A kind of truck hydraulic accessory type approval test test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721739138.9U CN207673656U (en) | 2017-12-13 | 2017-12-13 | A kind of truck hydraulic accessory type approval test test device |
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| Publication Number | Publication Date |
|---|---|
| CN207673656U true CN207673656U (en) | 2018-07-31 |
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ID=62969316
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721739138.9U Active CN207673656U (en) | 2017-12-13 | 2017-12-13 | A kind of truck hydraulic accessory type approval test test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779698A (en) * | 2019-11-04 | 2020-02-11 | 杭州杭叉机械设备制造有限公司 | Generic tool detection platform |
| CN112985861A (en) * | 2021-02-19 | 2021-06-18 | 北京首钢自动化信息技术有限公司 | Fault diagnosis method for sector section of withdrawal and straightening machine |
-
2017
- 2017-12-13 CN CN201721739138.9U patent/CN207673656U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779698A (en) * | 2019-11-04 | 2020-02-11 | 杭州杭叉机械设备制造有限公司 | Generic tool detection platform |
| CN110779698B (en) * | 2019-11-04 | 2021-07-06 | 杭州杭叉机械设备制造有限公司 | Generic tool detection platform |
| CN112985861A (en) * | 2021-02-19 | 2021-06-18 | 北京首钢自动化信息技术有限公司 | Fault diagnosis method for sector section of withdrawal and straightening machine |
| CN112985861B (en) * | 2021-02-19 | 2022-08-09 | 北京首钢自动化信息技术有限公司 | Fault diagnosis method for sector section of withdrawal and straightening machine |
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