CN208721377U - A kind of hand moving vehicle vehicle frame fatigue tester - Google Patents
A kind of hand moving vehicle vehicle frame fatigue tester Download PDFInfo
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- CN208721377U CN208721377U CN201821306574.1U CN201821306574U CN208721377U CN 208721377 U CN208721377 U CN 208721377U CN 201821306574 U CN201821306574 U CN 201821306574U CN 208721377 U CN208721377 U CN 208721377U
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- hydraulic cylinder
- pedestal
- vehicle frame
- hand moving
- fatigue tester
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Abstract
The utility model discloses a kind of hand moving vehicle vehicle frame fatigue testers, including pedestal, it is set on the base and height-adjustable supporting platen, the hydraulic cylinder that is rotatably connected on pedestal, hydraulic cylinder is equipped with rocker arm fixing seat; the upper position sensor being fixed on the hydraulic cylinder and lower position sensor are equipped with above rocker arm fixing seat; upper position sensor connects control assembly with the lower equal signal of position sensor; oil supply system is connected on the hydraulic cylinder, oil supply system is controlled by the control assembly；It further include the clump weight above pedestal, clump weight two sides, which are equipped with, rolls the side frame of connection on the base.For the fatigue tester using automatically controlling, testing efficiency is high, has memory function after power-off, safe operation and convenient, and allomeric function is perfect, practical.
Description
Technical field
The utility model relates to field of mechanical technique, more specifically, it relates to a kind of hand moving vehicle vehicle frame testing fatigue
Machine.
Background technique
The vehicle frame of hand moving vehicle is the main bearing part of car body, and the guarantee of intensity is particularly important.But materials are also necessary
Rationally, it otherwise will cause serious waste, influence the manufacturing cost and the market competitiveness of vehicle.The tensile strength of component of machine and
Yield strength can be obtained by theoretical calculation, but be fatigue strength there are one important parameter, and fatigue strength directly affects
The service life of product.Since the factors such as fatigue strength and material, technique, shape of product are related, so this parameter does not have at present
There is a P Passable in the calculation method of various components, can only obtain result by testing.
Therefore, the design of vehicle can be calculated by theoretical strength can allow rack with most plus fatigue strength test
Few steel usage amount reaches the intensity requirement that design is wanted, and can reduce cost on a large scale and improve the market competitiveness, this
It plants the reduction of cost and is very safe.
Pervious testing fatigue is full manual test, and tester removes cart handle hand oil pump is driven to remove hand by shaking the hand
Vehicle, which rises, to be come, but hand oil pump rises to top handle and needs to shake more than 20 times, and such a test man one day also can only oil supply
More than 200 times of pump lifting.It is qualified that one vehicle frame will be calculated just for oscilaltion 5000 times at full capacity, so manual test wants half wheat harvesting period
It can go out as a result, efficiency is very low, overall effect is bad.
Accordingly, the utility model proposes a kind of hand moving vehicle vehicle frame fatigue testers.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies in the prior art, provide a kind of hand moving vehicle vehicle frame fatigue
Test machine, for the fatigue tester using automatically controlling, testing efficiency is high, has memory function after power-off, safe operation and convenient.
In order to solve the above technical problems, purpose of the utility model is realized as follows: one involved in the utility model
Kind of hand moving vehicle vehicle frame fatigue tester, including pedestal, be set on the base and height-adjustable supporting platen, be rotatably connected on
Hydraulic cylinder on pedestal, hydraulic cylinder are equipped with rocker arm fixing seat, are equipped with above rocker arm fixing seat and are fixed in the hydraulic oil
It is total that upper position sensor and lower position sensor on cylinder, upper position sensor and the lower equal signal of position sensor connect control
At being connected with oil supply system on the hydraulic cylinder, oil supply system is controlled by the control assembly；It further include being located above pedestal
Clump weight, clump weight two sides, which are equipped with, rolls connection side frame on the base.
The utility model is further arranged to: the two sides of the pedestal are respectively equipped with location hole, and being sticked on location hole, there have to be solid
The side plate on the side frame is connect, side plate is equipped with horizontal-extending adjustment hole, is equipped in adjustment hole and adjusts screw, adjust screw
It is plugged on the positioning hole.
By using above-mentioned technical proposal, since side frame rolling is connected on pedestal, during the test in order to prevent
Positioning before and after clump weight by adjusting the position for adjusting screw insertion location hole and can adjust position of the screw in adjustment hole,
Realize the positioning of clump weight.
The utility model is further arranged to: height adjusting screw rod is equipped between the supporting platen and pedestal.
The height adjustment of supporting platen is realized by manual turn height adjusting screw rod by using above-mentioned technical proposal.
The utility model is further arranged to: the oil supply system includes crude oil case, oil pump, the electromagnetic switch being sequentially connected in series
Valve, hydraulic control one-way valve and one-way throttle valve, one-way throttle valve are connect with the hydraulic cylinder；The control assembly is electrically connected
Oil pump, solenoid directional control valve, hydraulic control one-way valve and one-way throttle valve.
By using above-mentioned technical proposal, electromagnetic switch Vavle switching oil circuit, which leads to, makes hydraulic cylinder switching motion up and down.Hydraulic control
Check valve plays power-off pressure maintaining effect, the disengaging oil access at hydraulic control one-way valve cutting hydraulic cylinder both ends when meeting with power failure suddenly,
So that hydraulic cylinder is maintained at original position will not quickly fall downwards because of the weight of object.One-way throttle valve plays one-way throttle work
With, since the object that hydraulic cylinder jacks up is very heavy, oil cylinder downward thrust of self weight and oil cylinder of the meeting because of object when to next time
Double action quickly pound to the ground, very big ground struck power can be generated in this way, do not allowed, one-way throttle valve passes through
The oil return speed for adjusting the size control hydraulic cylinder oil back chamber of throttle orifice, plays the role of decline buffering.
The utility model is further arranged to: overflow valve is equipped between the crude oil case and oil pump.
By using above-mentioned technical proposal, overflow valve is used for control system pressure.
The utility model is further arranged to: being additionally provided with pressure gauge between the crude oil case and oil pump.
It convenient for observation and is adjusted by using above-mentioned technical proposal for oil pressure on real-time display pipeline.
The utility model is further arranged to: the oil pump is vane pump.
By using above-mentioned technical proposal, the flow pulsation of vane pump is small, and stable working, noise is small, lasts a long time.
In conclusion the utility model has the following beneficial effects: hand moving vehicle vehicle frame involved in the utility model is tired
Labor test machine carries out automation lifting to hydraulic cylinder by using PLC control circuit, and clump weight is arranged above pedestal,
Realize that the automation testing fatigue of vehicle frame, testing efficiency are high, safe operation and convenient；One-way throttle valve is by adjusting throttle orifice
Size controls the oil return speed of hydraulic cylinder oil back chamber, plays the role of decline buffering, allomeric function is perfect, practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial structure diagram of the utility model；
Fig. 3 is the structural schematic diagram that the utility model is used to embody oil supply system；
Description of symbols: 1, pedestal；2, supporting platen；3, hydraulic cylinder；4, rocker arm fixing seat；5, upper position sensing
Device；6, lower position sensor；7, assembly is controlled；8, oil supply system；81, crude oil case；82, oil pump；83, overflow valve；84, electromagnetism changes
To valve；85, hydraulic control one-way valve；86, one-way throttle valve；87, pressure gauge；9, clump weight；10, side frame；11, location hole；12, side
Plate；13, adjustment hole；14, screw is adjusted；15, height adjusting screw rod；100, front fork；101, vehicle frame head；102, rocker arm.
Specific embodiment
The present invention will be further described with preferred embodiment with reference to the accompanying drawing.
Referring to shown in Fig. 1 to 3, a kind of hand moving vehicle vehicle frame fatigue tester involved in the present embodiment, including pedestal 1,
It is arranged on pedestal 1 and height-adjustable supporting platen 2, the hydraulic cylinder 3 that is rotatably connected on pedestal 1, is set on hydraulic cylinder 3
There is rocker arm fixing seat 4, is equipped with the upper position sensor 5 being fixed on the hydraulic cylinder 3 and lower position above rocker arm fixing seat 4
Sensor 6, upper position sensor 5 and the equal signal of lower position sensor 6 connect control assembly 7, are connected on the hydraulic cylinder 3
Oil supply system 8, oil supply system 8 are controlled by the control assembly 7；It further include the clump weight 9 positioned at the top of pedestal 1,9 liang of clump weight
Side is equipped with the side frame 10 for rolling and being connected on the pedestal 1.
Further, the two sides of the pedestal 1 are respectively equipped with location hole 11, are sticked on location hole 11 and are fixed in the side
Side plate 12 on frame 10, side plate 12 are equipped with horizontal-extending adjustment hole 13, are equipped in adjustment hole 13 and adjust screw 14, adjust spiral shell
Nail 14 is plugged in the location hole 11.
Further, height adjusting screw rod 15 is equipped between the supporting platen 2 and pedestal 1.
Further, the oil supply system 8 includes crude oil case 81, oil pump 82, the solenoid directional control valve 84, hydraulic control being sequentially connected in series
Check valve 85 and one-way throttle valve 86, one-way throttle valve 86 are connect with the hydraulic cylinder 3；The control assembly 7 is electrically connected respectively
Connect oil pump 82, solenoid directional control valve 84, hydraulic control one-way valve 85 and one-way throttle valve 86.
Further, overflow valve 83 is equipped between the crude oil case 81 and oil pump 82.
Further, pressure gauge 87 is additionally provided between the crude oil case 81 and oil pump 82.
Further, the oil pump 82 is vane pump.
In the present embodiment, tested vehicle frame is placed on pedestal 1, front fork 100 is plugged in 9 lower section of clump weight, hydraulic
The telescopic rod of oil cylinder 3 withstands vehicle frame head 101, then rocker arm 102 is connect with rocker arm fixing seat 4, by the axis hole and liquid of rocker arm 102
Compressing cylinder 3 is lived calmly, so that mechanical force is transmitted at the front-wheel on front fork 100 by rocker arm 102 when hydraulic cylinder 3 rises, is made
Front-wheel is also synchronous to rise, and vehicle frame anterior-posterior horizontal can thus gone up and down；The height of supporting platen 2 is manually adjusted again, so that preceding
The front-wheel of 100 lower section of fork is pressed in supporting platen 2, selects the clump weight 9 of approrpiate wts, and before manually adjusting clump weight 9
Position afterwards, and it is finally fixed by adjusting screw 14, and then by operation control assembly 7, control oil supply system 8 gives hydraulic cylinder
3 fuel feeding realize the telescopic rod elevating function on hydraulic cylinder 3, and are used as position by upper position sensor 5 and lower position sensor 6
Switch is set, feedback data carries out data processing to control assembly 7, realizes the automation testing fatigue to vehicle frame.
More specifically, 9 two sides of clump weight are equipped with the side frame 10 for rolling and being connected on the pedestal 1, since clump weight 9 has 2
The weight not waited to 3 tons, needs to adjust front-rear position according to the different clump weights 9 of vehicle frame model, so bottom must install wheel
Son, the quality otherwise so weighed, personnel can not push away dynamic.
More specifically, control assembly 7 is integrated with the reception and processing module of each switch and signal, for controlling and place in real time
Information is managed, and issues and executes order.
The embodiment, a hour lifting can reach 1200 times, and 5000 times need more than 4 hours.Circuit is set
Meter carries out action control using reversal valve of the PLC control circuit to hydraulic station, in the two sensor acquisition letters in the head of rack
Number give PLC, while sensor acquisition signal return PLC, counted by PLC and shown on the touchscreen.The journey of PLC simultaneously
Sequence is also provided with power failure memory function, if powered off during the test, original test is still saved after telegram in reply
Data, continuing test is accumulated counts backward.In addition if the phenomenon that cracking bending occurs in vehicle frame during the test, this
When sensor in normal position will not acquire signal.When PLC confiscates upper and lower signal after for 5 seconds, PLC cutting is hydraulic
The power supply for the fuel feeding motor stood, the data shown at this time will be vehicle frames along the lifting number before going bad.
More specifically, upper position sensor 5: when rack rises to top, sensor receives signal to PLC, PLC switching
The access of solenoid directional control valve makes hydraulic cylinder vertical motion be changed to lowering action；Lower position sensor 6: when rack drops to bottom
When sensor receive signal to PLC, the access of PLC switching solenoid valve makes hydraulic cylinder lowering action be changed to rise, while lower position
Sensor is also that the calculating of PLC improves acquisition signal.
The utility model carries out automation lifting to hydraulic cylinder by using PLC control circuit, and sets above pedestal
Clump weight is set, realizes the automation testing fatigue of vehicle frame, testing efficiency is high, safe operation and convenient；One-way throttle valve passes through tune
The oil return speed of the size control hydraulic cylinder oil back chamber of section section discharge orifice, plays the role of decline buffering, allomeric function is perfect, practical
Property is strong.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (7)
1. a kind of hand moving vehicle vehicle frame fatigue tester, it is characterised in that: including pedestal (1), be arranged on pedestal (1) and height
Adjustable supporting platen (2), the hydraulic cylinder (3) being rotatably connected on pedestal (1), hydraulic cylinder (3) are fixed equipped with rocker arm
Seat (4), rocker arm fixing seat (4) top is equipped with the upper position sensor (5) being fixed on the hydraulic cylinder (3) and lower position passes
Sensor (6), upper position sensor (5) and lower position sensor (6) signal connect control assembly (7), the hydraulic cylinder (3)
On be connected with oil supply system (8), oil supply system (8) is controlled by the control assembly (7)；It further include being located above pedestal (1)
Clump weight (9), clump weight (9) two sides are equipped with the side frame (10) for rolling and being connected on the pedestal (1).
2. hand moving vehicle according to claim 1 vehicle frame fatigue tester, it is characterised in that: the two sides of the pedestal (1)
It is respectively equipped with location hole (11), be sticked the side plate (12) being fixed on the side frame (10) on location hole (11), side plate (12)
It is equipped with horizontal-extending adjustment hole (13), is equipped in adjustment hole (13) and adjusts screw (14), adjust screw (14) and be plugged on institute
It states in location hole (11).
3. hand moving vehicle according to claim 1 or 2 vehicle frame fatigue tester, it is characterised in that: the supporting platen (2)
Height adjusting screw rod (15) are equipped between pedestal (1).
4. hand moving vehicle according to claim 1 vehicle frame fatigue tester, it is characterised in that: oil supply system (8) packet
Include the crude oil case (81) being sequentially connected in series, oil pump (82), solenoid directional control valve (84), hydraulic control one-way valve (85) and one-way throttle valve
(86), one-way throttle valve (86) is connect with the hydraulic cylinder (3)；The control assembly (7) is electrically connected oil pump (82), electricity
Magnetic reversal valve (84), hydraulic control one-way valve (85) and one-way throttle valve (86).
5. hand moving vehicle according to claim 4 vehicle frame fatigue tester, it is characterised in that: the crude oil case (81) and oil
Overflow valve (83) are equipped between pump (82).
6. hand moving vehicle according to claim 4 or 5 vehicle frame fatigue tester, it is characterised in that: the crude oil case (81)
Pressure gauge (87) are additionally provided between oil pump (82).
7. hand moving vehicle according to claim 6 vehicle frame fatigue tester, it is characterised in that: the oil pump (82) is blade
Pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306574.1U CN208721377U (en) | 2018-08-14 | 2018-08-14 | A kind of hand moving vehicle vehicle frame fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306574.1U CN208721377U (en) | 2018-08-14 | 2018-08-14 | A kind of hand moving vehicle vehicle frame fatigue tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208721377U true CN208721377U (en) | 2019-04-09 |
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ID=65977697
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821306574.1U Active CN208721377U (en) | 2018-08-14 | 2018-08-14 | A kind of hand moving vehicle vehicle frame fatigue tester |
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| CN (1) | CN208721377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760282A (en) * | 2018-08-14 | 2018-11-06 | 浙江中北机械有限公司 | A kind of hand moving vehicle vehicle frame fatigue tester |
-
2018
- 2018-08-14 CN CN201821306574.1U patent/CN208721377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760282A (en) * | 2018-08-14 | 2018-11-06 | 浙江中北机械有限公司 | A kind of hand moving vehicle vehicle frame fatigue tester |
| CN108760282B (en) * | 2018-08-14 | 2024-02-13 | 浙江中北机械有限公司 | Frame fatigue testing machine for hand-moving vehicle |
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