CN205670081U - Large-scale top load ball pivot testing machine - Google Patents
Large-scale top load ball pivot testing machine Download PDFInfo
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- CN205670081U CN205670081U CN201620541650.1U CN201620541650U CN205670081U CN 205670081 U CN205670081 U CN 205670081U CN 201620541650 U CN201620541650 U CN 201620541650U CN 205670081 U CN205670081 U CN 205670081U
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Abstract
This utility model relates to a kind of large-scale top load ball pivot testing machine.This large-scale top load ball pivot testing machine includes frame pressure-bearing frame, frame pressure-bearing frame is provided with the self-powered platform being horizontally disposed with and can lifting at vertical direction, self-powered platform is connected with loading lift drive mechanism, self-powered platform is provided with two be symmetrical arranged and inside can install support ball pivot support ball pivot seat, being provided with at the inner roof wall of frame pressure-bearing frame supports between ball pivot seat and inside can the test ball free bearing of installation test ball pivot at two, this testing machine also includes inserting in described support ball pivot and test ball pivot and supports ball pivot and the test circumferentially fixed test main shaft being connected of ball pivot with described, connect in the rear end of test main shaft and have swing arm, swing arm swings the swing driving mechanism moved thus the direction of axis line of motoring ring test main shaft edge test main shaft oscillates with driving this swing arm at vertical direction.The utility model has the advantage of: practical.
Description
Technical field
This utility model belongs to testing machine technical field, relates to the test of core steam generator support ball pivot, especially relates to
And a kind of large-scale top load ball pivot testing machine.
Background technology
Large-scale ball pivot is wide in engineer applied scope, use bad environments, structural consequences by force, typically to require oil-free lubrication,
Its important performance indexes need to be determined by simulation experiment.
Such as: core steam generator support ball pivot, its carrying is bigger than pressure, uses ambient temperature high, it is desirable to without glossy
Sliding, it is ensured that 60 year service life, it is possible to the geological disasters such as reply earthquake.As the critical component supported, with greater need for special examination
Machine of testing is to test ball pivot performance, it is ensured that ball pivot quality.
Testing equipment cannot simulate complex working condition in the past, and abroad uses substrate that mill test merely being drawn, ball pivot is to mill
Coefficient of friction between face maps ball pivot and uses state.This way is more unilateral, sphere carrying friction difference and planes carry
Friction, it is impossible to reaction ball pivot ensures safety coefficient use state in lower 60 years.Further, domestic there is no is specifically designed for large-scale high load
The equipment of lotus ball pivot checking test.
Utility model content
The purpose of this utility model is for the problems referred to above, it is provided that a kind of work being adapted to multiple large-scale top load ball pivot
The large-scale top load ball pivot testing machine of condition simulation experiment.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: this large-scale top load ball pivot testing machine bag
Include frame pressure-bearing frame, frame pressure-bearing frame be provided with the self-powered platform being horizontally disposed with and can lifting at vertical direction,
Described self-powered platform is connected with loading lift drive mechanism, is provided with two concentrics and arranges and internal on self-powered platform
Can install the support ball pivot seat supporting ball pivot, the inner roof wall in frame pressure-bearing frame is provided with and supports between ball pivot seat at two
And inside can the test ball free bearing of installation test ball pivot, this testing machine also includes inserting in described support ball pivot and test ball
Supporting ball pivot and the test circumferentially fixed test main shaft being connected of ball pivot in hinge and with described, connecting in the rear end of test main shaft has
Swing arm, described swing arm with this swing arm can be driven to swing in vertical plane thus motoring ring test main shaft along test main shaft axle
Heart line direction oscillate motion swing driving mechanism.
In above-mentioned large-scale top load ball pivot testing machine, described swing arm is rectangular-shaped and test main shaft is by circumference
Location structure is fixed on the middle part of swing arm.
In above-mentioned large-scale top load ball pivot testing machine, described swing driving mechanism includes that four are arranged in parallel and one
End is respectively hinged at the oscillating oil cylinder in frame pressure-bearing frame, and being connected by articulated structure in four corners of swing arm has a swing
Oil cylinder, and it is arranged on two oscillating oil cylinder move toward one another of a pair linea angulata of swing arm, another cornerwise two oscillating oil cylinders are contrary
Motion, described oscillating oil cylinder is connected with swinging hydraulic system.
In above-mentioned large-scale top load ball pivot testing machine, after described circumferential positioning structure includes being arranged on test main shaft
The cross keyway of end, is provided with the cross flat key being stuck in described cross keyway, in described swing arm in swing arm
It is equipped with the securing member that some with described test rear-end of spindle is connected.
In above-mentioned large-scale top load ball pivot testing machine, described self-powered platform is provided with cooperation panel, is coordinating
Panel is provided with locating slot, and in time installing, the lower end of described test ball free bearing inserts in described locating slot；Described frame
The inner roof wall of pressure-bearing frame is provided with horizontally disposed fixed plate, and described test ball free bearing upper end is fixed on fixed plate lower surface；
It is provided with encoder at test front-end of spindle.
In above-mentioned large-scale top load ball pivot testing machine, described test ball free bearing is provided with some along test ball pivot
The equally distributed installing hole of circumference and the electrically heated rod being arranged in installing hole.
In above-mentioned large-scale top load ball pivot testing machine, described swing hydraulic system includes the first fuel tank, first
Connect on fuel tank and have the first main oil pipe, the first main oil pipe is connected with in turn the first oil pump, the first check valve and the first hydraulic pressure
Solenoid directional control valve, connects on the first hydraulic electromagnetic change valve and has the first oil circuit and the second oil circuit, four oscillating oil cylinder parallel connections to set
Put and be connected with the first oil circuit and the second oil circuit respectively, the first described main oil pipe is also associated be connected with the first fuel tank
One oil return pipe, the one end being connected to the first main oil pipe at the first oil return pipe is sequentially provided with two to the other end of the first oil return pipe
One stop valve and an overflow valve, connect on any one first stop valve and have the first electric pressure sensor, described first
Hydraulic oil cooling body it is also associated with on main oil pipe.
In above-mentioned large-scale top load ball pivot testing machine, described hydraulic oil cooling body includes being connected to first total oil
The cooling tube of pipe, connects on cooling tube and has counterbalance valve and hydraulic oil cooling fan, described cooling tube outfan and the 3rd oil
Case connects.
In above-mentioned large-scale top load ball pivot testing machine, described loading lift drive mechanism includes that being fixed on frame holds
Large-scale load cylinder on press frame, described large-scale load cylinder piston rod is connected with self-powered platform, at self-powered platform
And it is provided with guide frame between large-scale load cylinder；Described large-scale load cylinder is connected with hydraulic loading system.
In above-mentioned large-scale top load ball pivot testing machine, described hydraulic loading system includes the second fuel tank, second
Connect on fuel tank and have the second main oil pipe, the second main oil pipe is sequentially provided with second pump housing, the second check valve and the second hydraulic pressure electricity
Magnetic reversal valve, connects on the second main oil pipe and has the oil return mechanism being connected with the second fuel tank, on the second hydraulic electromagnetic change valve
Connecting has oil inlet pipe and oil return pipe, described oil inlet pipe and oil return pipe to be connected with large-scale load cylinder respectively, connect on oil inlet pipe
It is connected to hydraulic control one-way valve and one-way throttle valve, oil inlet pipe is also associated with between hydraulic control one-way valve and one-way throttle valve
Propping up oil circuit, connecting on an oil circuit has four the second stop valves, and connecting on any one second stop valve has the second Voltage force
Sensor, any one second stop valve in three the second stop valves of residue connects and has oil gauge, in residue two the
Connect on any one second stop valve in two stop valves and have accumulator, described oil return pipe is also associated with flow structure.
Compared with prior art, the advantage of this large-scale top load ball pivot testing machine is:
1, design is more reasonable, according to the testing machine model machine of program trial-production, is adapted to multiple large-scale top load ball pivot
Work condition analogue is tested.
2, due to test ball pivot force structure, and the layout of oscillating oil cylinder, solve height and carry difficult problems such as waving；Due to examination
Test ball pivot seat and be mounted with electrically heated rod, and temperature thermocouple, observable record ball pivot test temperature and carry out specific height
Temperature test.
3, it is mounted with electric pressure sensor due to hydraulic system, loading oil pressure can be recorded in real time, and swing oil pressure, thus
Conversion draws real-time coefficient of friction.
4, can change more quickly due to self-powered platform and test main shaft, the test of multiple ball pivot can be met.
5, owing to being configured with computer software monitoring control system, it is possible to experimentation full distance curve formula record, weight is preserved
Want test data.
6, simple in construction and easily fabricated, practical.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model provides.
Fig. 2 is another viewing angle constructions schematic diagram that this utility model provides.
Fig. 3 is the structural representation of the swing hydraulic system that this utility model provides.
Fig. 4 is the test main axle structure schematic diagram that this utility model provides.
Fig. 5 is the swing arm structure schematic diagram that this utility model provides.
Fig. 6 is the hydraulic loading system structural representation that this utility model provides.
In figure, frame pressure-bearing frame 1, self-powered platform 11, support ball pivot seat 12, test ball free bearing 13, coordinate panel 14,
Fixed plate 15, electrically heated rod 16, loading lift drive mechanism 2, large-scale load cylinder 21, hydraulic loading system the 22, second fuel tank
22a, the second main oil pipe 22b, the second pump housing 22c, the second check valve 22d, the second hydraulic electromagnetic change valve 22e, oil return mechanism
22f, oil inlet pipe 22g, oil return pipe 22h, hydraulic control one-way valve 22j, one-way throttle valve 22k, oil circuit 22q, the second stop valve 22w,
Second electric pressure sensor 22r, oil gauge 22t, accumulator 22y, flow structure 22u, the second liquid level meter 22p, the second oil filler
22z, the second oil filter 22x, test main shaft 3, cross keyway 31, swing arm 4, cross flat key 41, swing driving mechanism 5, pendulum
Dynamic oil cylinder 51, swing hydraulic system the 52, first fuel tank 52a, the first main oil pipe 52b, the first oil pump 52c, the first check valve 52d,
First hydraulic electromagnetic change valve 52e, the first oil circuit 52f, the second oil circuit 52g, the first oil return pipe 52h, the first stop valve 52j, overflow
Stream valve 52k, the first electric pressure sensor 52v, cooling tube 52w, counterbalance valve 52r, hydraulic oil cooling fan 52t, the 3rd fuel tank
52y, the first liquid level meter 52p, the first oil filler 52s, the second oil filter 52z, support ball pivot a, test ball pivot b.
Detailed description of the invention
The following is the specific embodiment of utility model and combine accompanying drawing, the technical solution of the utility model is made further
Describe, but this utility model is not limited to these embodiments.
As shown in Figure 1-2, this large-scale top load ball pivot testing machine includes frame pressure-bearing frame 1, in frame pressure-bearing frame 1
Being provided with the self-powered platform 11 being horizontally disposed with and can lifting at vertical direction, self-powered platform 11 passes through Detachable connection structure
Being fixed in frame pressure-bearing frame 1, described self-powered platform 11 is connected with loading lift drive mechanism 2.Specifically, this loading
Lift drive mechanism 2 includes the large-scale load cylinder 21 being fixed in frame pressure-bearing frame 1, and frame pressure-bearing frame 1 combines large-scale
Load cylinder 21, it is ensured that load capability can reach 1000T.Described large-scale load cylinder 21 piston rod is with self-powered platform 11 even
Connecing, be provided with guide frame between self-powered platform 11 and large-scale load cylinder 21, guide frame includes that some being connected to lifts
Lead on workbench 11, is provided with some Yu described lead cantilever one to one at large-scale load cylinder 21 outer wall
Portion, is respectively equipped with the pilot hole inserted in for described lead in each cantilever portion；Described large-scale load cylinder 21 and liquid
Pressure loading system 22 connects.
Secondly, as it is shown on figure 3, hydraulic loading system 22 includes the second fuel tank 22a, the second fuel tank 22a connects and has the
Two main oil pipe 22b, are also associated with the second liquid level meter 22p and the second oil filler 22z on the second fuel tank 22a.At the second main oil pipe
The second pump housing 22c, the second check valve 22d and the second hydraulic electromagnetic change valve 22e it is sequentially provided with, at the second main oil pipe 22b on 22b
On be also associated with the second oil filter 22x, oil enters the second pump housing 22c, at the second main oil pipe after being filtered by the first oil filter 22x
22b upper connection has the oil return mechanism 22f being connected with the second fuel tank 22a, this oil return mechanism 22f to include return duct, on return duct
It is provided with shutoff valve and flow spill valve.
On the second hydraulic electromagnetic change valve 22e connect have oil inlet pipe 22g and oil return pipe 22h, described oil inlet pipe 22g and
Oil return pipe 22h is connected with large-scale load cylinder 21 respectively, and connecting on oil inlet pipe 22g has hydraulic control one-way valve 22j and one-way throttle
Valve 22k, the oil circuit 22q being also associated with on oil inlet pipe 22g between hydraulic control one-way valve 22j and one-way throttle valve 22k,
Propping up connection on oil circuit 22q and have four the second stop valve 22w, connecting on any one second stop valve 22w has the second Voltage force
Sensor 22r, the second electric pressure sensor 22r can record the oil pressure of oscillating oil cylinder, thus converse real-time friction factor
Value, any one the second stop valve 22w in three the second stop valve 22w of residue connects and has oil gauge 22t, in residue two
On any one second stop valve 22w in individual second stop valve 22w, connection has accumulator 22y, an oil circuit 22q outfan and oil
Casing connects, and described oil return pipe 22h is also associated with flow structure 22u.Flow structure 22u includes overflow body and is connected to
Overflow valve body on overflow body, overflow body outfan connects collection fuel tank.Electric pressure sensor, can record loading in real time
Oil pressure.
In above-mentioned hydraulic loading system 22, the second pump housing 22c work, and open the second hydraulic electromagnetic change valve 22e
Make large-scale load cylinder 21 increase, arrive after setting pressure, close the second hydraulic electromagnetic change valve 22e, the second pump housing 22c and stop
Work, hydraulic control one-way valve 22j is obstructed state, accumulator 22y can keep pressure slowly decline have between oil circuit and valve a small amount of
Leakage can cause pressure to decline.Second electric pressure sensor 22r detects oil pressure, when pressure drops to setting value, starts second
Pump housing 22c, and open the second hydraulic electromagnetic change valve 22e again and make load cylinder increase.And constantly repeat, it is achieved pressurize.
As shown in Figure 1-2, self-powered platform 11 is provided with two concentrics layouts and support ball pivot a can be installed in inside
Support ball pivot seat 12, be provided with at the inner roof wall of frame pressure-bearing frame 1 and support between ball pivot seat 12 and inside can at two
The test ball free bearing 13 of installation test ball pivot b, the structure of support ball pivot a is identical with the structure of test ball pivot b and all includes ball pivot
Outer ring and the ball pivot inner ring being arranged in ball pivot outer ring, it is ensured that coefficient of friction concordance, thus relatively accurately calculate that test ball pivot rubs
Wipe coefficient.This testing machine also include inserting in described support ball pivot a and test ball pivot b and with described support ball pivot a and
The test main shaft 3 of the test circumferentially fixed connection of ball pivot b, connects in the rear end of test main shaft 3 and has swing arm 4, in test main shaft 3 front end
It is provided with encoder 32, is used for measuring pendulum angle and speed, swing is controlled.Described swing arm 4 with can drive this pendulum
Arm 4 swings in vertical plane thus motoring ring test main shaft 3 oscillates the swing moved along the direction of axis line of test main shaft 3
Drive mechanism 5.Simulation ball pivot is subjected to displacement change makes ball pivot slowly owing to steam generator expands with heat and contract with cold during using, little
The swing of angle.
Secondly, self-powered platform 11 is provided with cooperation panel 14, is provided with locating slot coordinating on panel 14, is used for installing
The lower end of Shi Suoshu test ball free bearing 13 inserts in described locating slot；The inner roof wall of frame pressure-bearing frame 1 is provided with and is horizontally disposed with
Fixed plate 15, described test ball free bearing 13 upper end is fixed on fixed plate 15 lower surface；It addition, set on test ball free bearing 13
Have some along testing the ball pivot b equally distributed installing hole of circumference and the electrically heated rod 16 being arranged in installing hole.Electrically heated rod
16 observable record ball pivot test temperatures and carry out specific hot test.
Prioritization scheme, the swing arm 4 of the present embodiment is fixed on pendulum in rectangular-shaped and test main shaft 3 by circumferential positioning structure
The middle part of arm 4.As shown in Fig. 2 and Fig. 4-5, this circumferential positioning structure includes the cross keyway being arranged on test main shaft 3 rear end
31, swing arm 4 is provided with the cross flat key 41 being stuck in described cross keyway 31, described swing arm 4 is equipped with
The securing member that some with described test main shaft 3 rear end is connected.
Secondly, as in figure 2 it is shown, swing driving mechanism 5 includes that four are arranged in parallel and one end is respectively hinged at frame pressure-bearing
Oscillating oil cylinder 51 in frame 1, is connected by articulated structure in four corners of swing arm 4 and has an oscillating oil cylinder 51, and be arranged on
Two oscillating oil cylinder 51 move toward one another of a pair linea angulata of swing arm 4, another cornerwise two oscillating oil cylinder 51 reverse motions, four
Oscillating oil cylinder is arranged along the tangential direction of swing arm, drives swing arm motoring ring test axle to do the reciprocating rotation along axis, and driving force is big, fortune
Dynamic steady.Described oscillating oil cylinder 51 is connected with swinging hydraulic system 52.As shown in Figure 6, swing hydraulic system 52 here is wrapped
Including the first fuel tank 52a, connecting on the first fuel tank 52a has the first main oil pipe 52b, is connected with in turn on the first main oil pipe 52b
First oil pump 52c, the first check valve 52d and the first hydraulic electromagnetic change valve 52e, connect on the first hydraulic electromagnetic change valve 52e
Be connected to the first oil circuit 52f and the second oil circuit 52g, four oscillating oil cylinders 51 be arranged in parallel and respectively with the first oil circuit 52f and second
Oil circuit 52g connects, and the first described main oil pipe 52b is also associated with the first oil return pipe 52h being connected with the first fuel tank 52a,
First oil return pipe 52h is connected to one end of the first main oil pipe 52b and is sequentially provided with two first to the other end of the first oil return pipe 52h
A stop valve 52j and overflow valve 52k, connects on any one first stop valve 52j and has the first electric pressure sensor 52v,
It is also associated with hydraulic oil cooling body on the first described main oil pipe 52b.
Hydraulic oil cooling body includes the cooling tube 52w being connected to the first main oil pipe 52b, connects and have on cooling tube 52w
Counterbalance valve 52r and hydraulic oil cooling fan 52t, described cooling tube 52w outfan and the 3rd fuel tank 52y connect.Secondly, the
It is also associated with the first liquid level meter 52p and the first oil filler 52s on one fuel tank 52a, the first main oil pipe 52b is also associated with second
Oil filter 52z, the second oil filter 52z enter the first oil pump 52c after being filtered by oil.
First oil pump 52c works all the time, makes the first hydraulic electromagnetic change valve 52e discontinuity commutation, makes oscillating oil cylinder 51 have
The release of rule is retracted, and drives swing arm to do oscillating motion.First electric pressure sensor 52v detection oil pressure also obtains oil pressure value,
After be converted into moment of torsion.
Hydraulic loading system 22 and the swing hydraulic system 52 of the present embodiment are connected with computer software monitoring control system.Its
Secondary, according to the testing machine model machine of program trial-production, it is adapted to the Work condition analogue experiment of multiple large-scale top load ball pivot.
The operation principle of the present embodiment is as follows:
First install in supporting ball pivot seat 12 and support ball pivot a, installation test ball pivot b in test ball free bearing 13, and will
Supporting ball pivot seat 12 to be fixed on self-powered platform 11, test ball free bearing 13 is fixed on frame pressure-bearing frame 1 inner top, then will
Test main shaft 3 inserts in support ball pivot a and test ball pivot b, then carries out rolling test and load test.
Loading the experimental test that lift drive mechanism 2 realizes loading, swing driving mechanism 5 has realized shaking of stipulated number
Pendulum test.
Due to test ball pivot force structure, and the layout of oscillating oil cylinder, solve height and carry difficult problems such as waving.Secondly, can
Reacting the coefficient of friction of ball pivot, deflection more really, temperature rise affects, high-temperature behavior, service life etc..Large-scale height can be solved
Load ball pivot tackles the duty of all kinds of complex working condition in the use cycle.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. one kind large-scale top load ball pivot testing machine, it is characterised in that include frame pressure-bearing frame (1), in frame pressure-bearing frame
(1) be provided be horizontally disposed with and can vertical direction lifting self-powered platform (11), described self-powered platform (11) with
Load lift drive mechanism (2) to connect, self-powered platform (11) is provided with two concentrics layouts and inside can be installed and be propped up
Support ball pivot seat (12) of support ball pivot (a), the inner roof wall at frame pressure-bearing frame (1) is provided with and is positioned at two supports ball pivot seat (12)
Between and inside can the test ball free bearing (13) of installation test ball pivot (b), this testing machine also includes inserting in described support
In ball pivot (a) and test ball pivot (b) and with described support ball pivot (a) and test ball pivot (b) the circumferentially fixed test master being connected
Axle (3), connects in the rear end of test main shaft (3) and has a swing arm (4), described swing arm (4) with this swing arm (4) can be driven vertical
The wobble drive of motion thus motoring ring test main shaft (3) oscillates is swung along the direction of axis line testing main shaft (3) in plane
Mechanism (5).
Large-scale top load ball pivot testing machine the most according to claim 1, it is characterised in that described swing arm (4) is in rectangular
Body shape and test main shaft (3) are fixed on the middle part of swing arm (4) by circumferential positioning structure.
Large-scale top load ball pivot testing machine the most according to claim 2, it is characterised in that described swing driving mechanism
(5) include that four are arranged in parallel and oscillating oil cylinder (51) that one end is respectively hinged on frame pressure-bearing frame (1), in swing arm (4)
Four portions connected by articulated structure and have an oscillating oil cylinder (51), and be arranged on two swing oil of a pair linea angulata of swing arm (4)
Cylinder (51) move toward one another, another cornerwise two oscillating oil cylinder (51) reverse motions, described oscillating oil cylinder (51) and swing
Hydraulic system (52) connects.
Large-scale top load ball pivot testing machine the most according to claim 2, it is characterised in that described circumferential positioning structure bag
Include the cross keyway (31) being arranged on test main shaft (3) rear end, swing arm (4) is provided with and can be stuck in described cross keyway
(31) the cross flat key (41) in, described swing arm (4) is equipped with some with described test main shaft (3) rear end and is connected
Securing member.
Large-scale top load ball pivot testing machine the most according to claim 1, it is characterised in that described self-powered platform (11)
It is provided with cooperation panel (14), is provided with locating slot coordinating on panel (14), described test ball free bearing (13) when being used for installing
Lower end inserts in described locating slot；The inner roof wall of described frame pressure-bearing frame (1) is provided with horizontally disposed fixed plate (15),
Described test ball free bearing (13) upper end is fixed on fixed plate (15) lower surface；It is provided with encoder in test main shaft (3) front end
(32)。
Large-scale top load ball pivot testing machine the most according to claim 1, it is characterised in that described test ball free bearing (13)
It is provided with some along testing ball pivot (b) circumferential equally distributed installing hole and the electrically heated rod (16) being arranged in installing hole.
Large-scale top load ball pivot testing machine the most according to claim 3, it is characterised in that described swing hydraulic system
(52) include the first fuel tank (52a), have the first main oil pipe (52b), at the first main oil pipe in the upper connection of the first fuel tank (52a)
(52b) the first oil pump (52c), the first check valve (52d) and the first hydraulic electromagnetic change valve (52e) it are connected with in turn,
The upper connection of one hydraulic electromagnetic change valve (52e) has the first oil circuit (52f) and the second oil circuit (52g), four oscillating oil cylinders (51) and
Connection arranges and is connected with the first oil circuit (52f) and the second oil circuit (52g) respectively, and described the first main oil pipe (52b) is also connected with
There is the first oil return pipe (52h) being connected with the first fuel tank (52a), be connected to the first main oil pipe (52b) at the first oil return pipe (52h)
One end be sequentially provided with two the first stop valves (52j) and an overflow valve (52k) to the other end of the first oil return pipe (52h),
The first electric pressure sensor (52v), described the first main oil pipe (52b) is had in the upper connection of any one first stop valve (52j)
On be also associated with hydraulic oil cooling body.
Large-scale top load ball pivot testing machine the most according to claim 7, it is characterised in that described hydraulic oil cooling body
Including being connected to the cooling tube (52w) of the first main oil pipe (52b), there are counterbalance valve (52r) and hydraulic pressure in the upper connection of cooling tube (52w)
Oil cooling fan (52t), described cooling tube (52w) outfan and the 3rd fuel tank (52y) connect.
Large-scale top load ball pivot testing machine the most according to claim 1, it is characterised in that described loading elevator drive machine
Structure (2) includes the large-scale load cylinder (21) being fixed on frame pressure-bearing frame (1), described large-scale load cylinder (21) piston
Bar is connected with self-powered platform (11), is provided with guide frame between self-powered platform (11) and large-scale load cylinder (21)；Institute
The large-scale load cylinder (21) stated is connected with hydraulic loading system (22).
Large-scale top load ball pivot testing machine the most according to claim 9, it is characterised in that described hydraulic loading system
(22) include the second fuel tank (22a), have the second main oil pipe (22b), at the second main oil pipe in the upper connection of the second fuel tank (22a)
(22b) second pump housing (22c), the second check valve (22d) and the second hydraulic electromagnetic change valve (22e) it are sequentially provided with on, second
The upper connection of main oil pipe (22b) has the oil return mechanism (22f) being connected with the second fuel tank (22a), at the second hydraulic electromagnetic change valve
(22e) upper connection has oil inlet pipe (22g) and oil return pipe (22h), described oil inlet pipe (22g) and oil return pipe (22h) respectively with greatly
Type load cylinder (21) connects, and has hydraulic control one-way valve (22j) and one-way throttle valve (22k) in the upper connection of oil inlet pipe (22g), is entering
It is also associated with the oil circuit (22q) being positioned between hydraulic control one-way valve (22j) and one-way throttle valve (22k) on oil pipe (22g), is propping up
The upper connection of oil circuit (22q) has four the second stop valves (22w), has the second electricity in the upper connection of any one second stop valve (22w)
Pressure transducer (22r), the upper connection of any one second stop valve (22w) in three the second stop valves (22w) of residue has
Oil gauge (22t), the upper connection of any one second stop valve (22w) in two the second stop valves (22w) of residue has accumulation of energy
Device (22y), described oil return pipe (22h) is also associated with flow structure (22u).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541650.1U CN205670081U (en) | 2016-06-06 | 2016-06-06 | Large-scale top load ball pivot testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541650.1U CN205670081U (en) | 2016-06-06 | 2016-06-06 | Large-scale top load ball pivot testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205670081U true CN205670081U (en) | 2016-11-02 |
Family
ID=57190981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620541650.1U Withdrawn - After Issue CN205670081U (en) | 2016-06-06 | 2016-06-06 | Large-scale top load ball pivot testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205670081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865774A (en) * | 2016-06-06 | 2016-08-17 | 浙江长盛滑动轴承股份有限公司 | Large high-load ball joint tester |
-
2016
- 2016-06-06 CN CN201620541650.1U patent/CN205670081U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865774A (en) * | 2016-06-06 | 2016-08-17 | 浙江长盛滑动轴承股份有限公司 | Large high-load ball joint tester |
| CN105865774B (en) * | 2016-06-06 | 2018-03-20 | 浙江长盛滑动轴承股份有限公司 | Large-scale top load ball pivot testing machine |
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