CN204649419U - A kind of plunger-copper sheathing friction pair performance testing device - Google Patents

Abstract

The utility model provides a plunger-copper sleeve friction pair performance testing device, which belongs to the technical field of hydraulic equipment testing. Through the device and method, the single reciprocating linear motion of the plunger-copper sleeve and the test simulation under the condition of considering the plunger's rotation can be carried out. The test device is mainly composed of a drive system, a loading system, a measurement system, and an oil supply system; the drive system provides the power source for the overall test device to realize the movement form of the plunger in the copper sleeve; the loading system provides vertical pressure for the overall test device. The loading force in the direction; the oil supply system continuously supplies oil to the surface of the plunger and the copper sleeve, so that the two form a continuous oil film during the movement; the measurement system collects and analyzes the test data and obtains the results. The utility model can change parameters such as load, rotating speed and time, and is used to realize the performance test of the plunger-copper sleeve friction pair under different working conditions.

Description

A plunger-copper sleeve friction pair performance testing device

Technical field:

The utility model belongs to the technical field of hydraulic equipment detection, in particular to a performance testing device for a plunger-copper sleeve friction pair.

Background technique:

The plunger pump is one of the common components in engineering hydraulic equipment, and its performance directly affects the reliability of various mechanical equipment. The plunger-copper sleeve friction pair is a key component of the plunger pump. The working performance of the pump is significantly affected. If the plunger-copper sleeve friction pair is not designed properly, the copper sleeve will be severely worn, which will have a serious impact on the working efficiency and service life of the pump. Therefore, performance testing of the plunger-copper sleeve friction pair under different working conditions is very important for understanding the wear pattern of the copper sleeve and improving the design of the friction pair.

When studying the tribological problems between the plunger and the copper sleeve of the plunger pump, the test device and test method play a vital role. At present, there are some testing machines at home and abroad to test the performance between friction pairs through standard test pieces, and many of them can perform reciprocating linear motion tests. For example, Chinese patent CN103822840A discloses a reciprocating plunger pump barrel friction and wear test device, which can provide a feasible test method for the friction and wear of cylindrical samples. The device is based on the actual plunger and pump barrel as samples However, this device only considers the reciprocating motion of the plunger in the pump barrel, and does not consider the self-rotation movement of the plunger in the pump barrel. In the plunger pump, in addition to the reciprocating linear motion of the plunger in the copper sleeve, there is also a certain amount of self-rotation motion at the same time. The existing test equipment and testing methods are still unable to complete the motion state of the plunger-copper sleeve friction pair. simulation. Under this background, the utility model proposes a test device specially used for testing the performance of the plunger-copper sleeve friction pair of the plunger pump, which can realize the performance test of the plunger-copper sleeve friction pair under different working conditions. The actual movement form of the plunger in the copper sleeve is the reciprocating motion of the plunger in the copper sleeve and the rotation of the plunger itself. The actual working condition is that the plunger is driven axially and lubricated between the surfaces.

Invention content:

The purpose of the utility model is to provide a plunger-copper sleeve friction pair performance testing device in combination with the actual movement form and working conditions of the plunger in the copper sleeve. Through the device, the single reciprocating linear motion of the plunger-copper sleeve and the test simulation under the consideration of the plunger's rotation can be carried out. When the influence of the plunger's rotation factor is ignored, only a single drive motor drives the test device to perform reciprocating linear motion to simulate the reciprocating motion of the plunger in the copper sleeve; when considering the influence of the plunger's rotation factor, the plunger is placed in the copper sleeve The actual motion form is simplified as combined reciprocating motion between surfaces, and the test device is driven by two driving motors perpendicular to each other to reciprocate to simulate the reciprocating motion of the plunger in the copper sleeve and the rotation of the plunger. In order to simulate the force of the plunger in the copper sleeve, the test device adopts a radial loading method on the surface of the plunger; in order to simulate the lubrication state between the plunger and the surface of the copper sleeve, an oil supply system is provided in the utility model , the oil supply system can regulate the supply amount and oil temperature of lubricating oil. The utility model can realize the performance test of the plunger-copper sleeve friction pair under various working conditions.

A plunger-copper sleeve friction pair testing device provided by the utility model includes a driving system, a loading system, a measuring system and an oil supply system. The drive system includes a fixed plate 1, a transverse drive motor 18, a first lead screw 22, a first fixed nut 25, an upper guide rail 19, an upper slide block 15, an upper movable plate 16, a longitudinal drive motor 21, and a second lead screw 27 , the lower guide rail 20, the lower slide block 4, the lower moving plate 5 and the mounting table 17; the lateral drive motor 18 is fixed on the upper surface of the lower moving plate 5, and the first lead screw 22 passes through the first shaft coupling 23 is connected with the horizontal drive motor 18, the first lead screw 22 is provided with a first moving nut 24 and a first fixing nut 25, wherein the first moving nut 24 is fixed on the bottom of the upper moving plate 16 On the surface, the first fixing nut 25 is located at the end of the first lead screw 22, the first fixing nut 25 is installed on the upper surface of the lower moving plate 5, and the upper guide rail 19 is installed on the lower moving plate. On the plate 5, four symmetrically arranged upper sliders 15 are installed on the upper guide rail 19, the upper sliders 15 are fixedly arranged on the lower surface of the upper moving plate 16, and the mounting table 17 is fixed on the On the above moving plate 16; the longitudinal drive motor 21 is installed on the fixed plate 1, the second lead screw 27 is connected with the longitudinal drive motor 21 through the second coupling 26, and the second screw The bar 27 is provided with a second moving nut 28 and a second fixing nut 29, the second moving nut 28 is fixed on the lower surface of the lower moving plate 5, and the second fixing nut 29 is located on the second lead screw. 27, the second fixing nut 29 is fixedly installed on the upper surface of the fixed plate 1; the lower guide rail 20 is fixed on the fixed plate 1, and four symmetrically arranged lower layers are installed on the lower guide rail 20. The slider 4 , the lower slider 4 is fixedly arranged on the lower surface of the lower moving plate 5 .

The loading system includes an angle steel fixing plate 2, an angle steel support plate 3, a horizontal support plate 8, a loading motor 30, a third lead screw 32, a Z-shaped bracket 6, a screw rod 40, a joint bearing 41, a ball end rod 42, and a plunger 43 And lower fixture 44; Described angle steel fixed plate 2 is installed on described fixed plate 1, and described angle steel support plate 3 is installed on described angle steel fixed plate 2, and described horizontal support plate 8 is fixed on described angle steel support plate 3 The top of the top, the loading motor 30 is installed on the horizontal support plate 8 through the bottom flange, the third lead screw 32 is connected with the loading motor 30 through the third coupling 31, the third Leading screw 32 is covered with leading screw nut 33, and described leading screw nut 33 links to each other with rolling wheel connector 36 by stud 35, is provided with sleeve 38 in the rolling wheel 39 holes, and described rolling wheel 39 and described rolling wheel Sleeve 38 is installed on the described rolling wheel connector 36 by pin 37, between described rolling wheel 39 and described sleeve 38, be clearance fit between described sleeve 38 and described pin 37; Position guide plate 7 is positioned at the rear side of described lead screw nut 33 and is close to described lead screw nut 33, and described limit guide plate 7 is fixed on the angle steel support plate 3, and described Z-shaped bracket 6 is fixed on On the angle steel support plate 3, the screw rod 40 is located on the same axis as the third lead screw 32, and the screw rod 40 is fixed on the Z-shaped bracket 6 through a limiting hole. The screw rod 40 is not in contact with its upper end part, the joint bearing 41 is connected with the screw rod 40 through threads, the ball stud rod 42 is installed under the joint bearing 41, and the plunger 43 is fixed on the ball joint Below the rod 42 , the lower clamp 44 is fixed on the mounting table 17 .

Described measuring system comprises master controller 9, first pressure sensor 10 and second pressure sensor 34; Described first pressure sensor 10 is installed on the Z-type support 6, and described second pressure sensor 34 is installed in leading screw nut 33 the lower surface.

The oil supply system includes an oil box 11, a hydraulic oil supply system 12, an oil return pipe 13 and an oil supply pipe 14, and the hydraulic oil supply system includes an oil tank 49, a filter 50, a hydraulic pump 51, an overflow valve 52, a throttle Valve 53, flow meter 54, temperature display instrument 55 and heating resistance wire 56; wherein the oil box 11 is located below the lower fixture 44 and is fixedly installed on the upper surface of the installation platform 17, and the filter 50 is located on the Inside the oil tank 49, the oil tank 49 is connected to the hydraulic pump 51, the overflow valve 52 is fixedly installed on one side of the hydraulic pump 51, and the throttle valve 53 is installed in the On the oil supply pipe 14, the flow meter 54 is arranged on the oil supply pipe 14, and the oil supply pipe 14 is connected with the hole of the plunger 43 through threads, and the overflowing lubricating oil passes through the oil box 11, the overflowing lubricating oil returns to the oil tank 49 through the oil return pipe 13, the temperature indicator 55 is installed in the oil tank 49, and the heating resistance wire is fixedly installed at the bottom of the oil tank 49.

In the loading system, the rolling wheel 39 can rotate on the pin 37 so as to reduce the impact of the sliding friction generated by the loading system in the lateral direction when the plunger moves on the surface of the copper sleeve; the design of the plunger clamping is combined with the design principle of the joint bearing When the plunger reciprocates on the surface of the copper sleeve, it can swing at a certain angle in the horizontal and vertical directions, so as to ensure that the surface of the plunger and the surface of the copper sleeve are effectively bonded.

The utility model is used as one of the methods for testing the performance of the plunger-copper sleeve friction pair. The method is as follows: firstly, the semicircular copper sleeve 48 is clamped on the lower clamp 44, and the Z-shaped support is adjusted by a level adjuster. 6. Adjust the level to ensure the vertical loading of the force, and then manually adjust the positions of the upper moving plate 16 and the lower moving plate 5, so that the surface of the plunger 43 and the surface of the semicircular copper sleeve 48 are fully attached , no gap is left, the loading motor 30 is controlled by the general controller 9 to load the force, and then the hydraulic pump 51 and the throttle valve 53 are opened to supply a proper amount and temperature lubricating oil through the oil supply pipe into the hole of the plunger 43, the horizontal drive motor 18 drives the first lead screw 22 to rotate through the first coupling 23, and then drives the plunger 43 to rotate on the semicircular copper sleeve 48 Perform reciprocating linear motion in the center, and finally observe and record data through the overall controller 9. This method ignores the influence of the plunger rotation factor, and a single drive motor drives the test device to perform reciprocating linear motion, simulating the reciprocating motion of the plunger in the copper sleeve in the actual plunger pump.

The utility model is used for the second method of testing the performance of the plunger-copper sleeve friction pair. The method is as follows: firstly, the copper block 47 is clamped on the lower clamp 44, and the Z-shaped support 6 is moved by a level regulator. Adjust the level to ensure the vertical loading of the force, and then manually adjust the positions of the upper moving plate 16 and the lower moving plate 5, so that the surface of the plunger 43 is fully attached to the surface of the copper block 47, without Leave a gap, control the loading motor 30 through the master controller 9 to load the force, then open the hydraulic pump 51 and the throttle valve 53 to supply an appropriate amount and temperature lubricating oil to the In the hole of the plunger 43, the horizontal drive motor 18 drives the first lead screw 22 to rotate through the first coupling 23, and then drives the plunger 43 to move horizontally on the surface of the copper block 47. The reciprocating motion simulates the reciprocating motion of the plunger in the copper sleeve in the actual plunger pump; the longitudinal drive motor 21 drives the second lead screw 27 to rotate through the second coupling 26, and then drives the plunger 43 Longitudinal reciprocating motion is performed on the surface of the copper block 47 to simulate the rotation motion of the plunger in the copper sleeve in the actual plunger pump, and finally the data is observed and recorded by the master controller 9 . This method considers the influence of the plunger's rotation factor, and simplifies the actual movement form of the plunger in the copper sleeve to a combined reciprocating motion between the surface and the surface. The test device is driven to reciprocate by two driving motors in perpendicular directions. Simulate the reciprocating motion and the rotation motion of the plunger in the copper sleeve in the actual plunger pump.

The driving system in the utility model provides the power source for the overall testing device, and its detailed working process is: the horizontal drive motor 18 rotates to drive the first leading screw 22 to rotate, and the first moving nut 24 rotates along with the first leading screw 22 Carry out reciprocating movement laterally, drive upper movable plate 16 and each component on the movable plate to carry out reciprocating linear motion laterally on upper guide rail 19 . The longitudinal driving motor 21 rotates to drive the second leading screw 27 to rotate, and the second moving nut 28 reciprocates longitudinally along with the rotation of the second leading screw 27, driving the lower moving plate 5 and each component on the moving plate to move on the lower guide rail 20. Reciprocating linear motion in the longitudinal direction.

The loading system in the utility model provides the loading force in the vertical direction for the overall test device, so that the plunger and the copper sleeve can contact under a certain pressure. The detailed working process is: the loading motor 30 drives the third lead screw 32 Rotate to make the lead screw nut 33 move down along the third lead screw 32, and drive the rolling wheel connector 36 below the nut to move down. The rolling wheel 39 installed in the rolling wheel connector 36 is in contact with the screw rod 40, and at the same time the screw rod 40 moves downward, so that the plunger 42 is in contact with the copper sleeve, and the loading of the plunger on the surface of the copper sleeve is completed. The function of the limit guide plate 7 in the loading system is to limit the displacement of the lead screw nut 33 when moving in the vertical direction; the Z-shaped support 6 can rotate up and down to drive the plunger on the ball head rod 42 and the copper sleeve contact and separation; the role of the rolling wheel 39 is to reduce the impact of the sliding friction generated by the loading system in the lateral direction when the plunger reciprocates on the surface of the copper sleeve; the design of the plunger clamping combined with the design principle of the joint bearing makes the column When the plug reciprocates on the surface of the copper sleeve, it can swing at a certain angle in the horizontal and vertical directions, so as to ensure that the surface of the plunger and the surface of the copper sleeve are effectively bonded.

The working process of the measurement system in the utility model is: the first pressure sensor 10 records the size of the frictional force on the plunger and the copper sleeve surface on the horizontal movement direction, and the second pressure sensor 34 measures the size of the force loading on the vertical direction , total controller 9 controls the rotating speed of lateral drive motor 18, longitudinal drive motor 21, loading motor 30 etc. to carry out experiments, after analysis and calculation by total controller 9, draw the relationship between loading force, frictional force and coefficient of friction relation chart.

The oil supply system in the utility model continuously supplies oil to the surface of the plunger and the copper sleeve, so that the two form a continuous oil film during the movement process. The detailed working process is: open the hydraulic pump 51, and the lubricating oil in the oil tank 49 is filtered The device 50 flows out from the oil delivery pipe 14, and enters the hole of the plunger through the throttle valve 53 and the flow meter 54, so that a continuous oil film can be formed between the plunger and the surface of the copper sleeve, and the overflowing lubricating oil is collected through the oil box 11, Get back to fuel tank 49 again through oil return pipe 13 afterward. Wherein the effect of overflow valve 52 is to prevent that oil pressure is too high to damage hydraulic pump 51; The effect of throttle valve 53 is to control the flow of lubricating oil; Heating resistance wire 56 is positioned at the bottom of oil tank 49 and can control the temperature of lubricating oil.

The utility model is calculated by a data processor, with simple operation and precise control; it can change the experimental parameters such as load, speed, lubricating oil, etc., and realize the movement of the plunger and the copper sleeve under different working conditions, thereby simulating the plunger as much as possible - the actual working conditions of the copper sleeve friction pair;

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic view of the top view structure of the driving part in the utility model;

Fig. 3 is a structural schematic diagram of the lateral drive device in the utility model;

Fig. 4 is a structural schematic diagram of the longitudinal driving device in the utility model;

Fig. 5 is a schematic structural view of the loading device in the utility model;

Fig. 6 is a schematic diagram of the structure of the upper fixture in the utility model;

Fig. 7 is a schematic diagram of the top view structure of the lower fixture in the utility model;

Fig. 8 is a right-view structural schematic view of the lower clamp in the utility model;

Fig. 9 is a schematic structural view of the copper block clamped by the lower clamp in the utility model;

Fig. 10 is a schematic structural view of the semicircular copper sleeve clamped by the lower fixture in the utility model;

Figure 11 is a schematic diagram of the principle of hydraulic oil supply;

Fig. 12 is a schematic diagram of the principle of data acquisition and analysis.

In the figure: 1: fixed plate; 2: angle steel fixed plate; 3: angle steel support plate; 4: lower slider; 5: lower moving plate; 6: Z-shaped bracket; 7: limit guide plate; 8: horizontal support board; 9: master controller; 10: first pressure sensor; 11: oil box; 12: hydraulic oil supply system; 13: oil return pipe; 14: oil supply pipe; 15: upper slider; 16: upper moving plate; 17: Mounting table; 18: Horizontal drive motor; 19: Upper guide rail; 20: Lower guide rail; 21: Longitudinal drive motor; 22: The first lead screw; 23: The first coupling; 24: The first moving nut; 25 : first fixed nut; 26: second coupling; 27: second lead screw; 28: second moving nut; 29: second fixed nut; 30: loading motor; 31: third coupling; 32: The third lead screw; 33: lead screw nut; 34: second pressure sensor; 35: stud; 36: rolling wheel connector; 37: pin; 38: sleeve; 39: rolling wheel; 40: screw; 41: joint bearing; 42: ball end rod; 43: plunger; 44: lower clamp; 45: first fixing screw; 46: second fixing screw; 47: copper block; 48: semicircular copper sleeve; 49: oil tank; 50: filter; 51: hydraulic pump; 52: overflow valve; 53: throttle valve; 54: flow meter; 55: temperature display device; 56: heating resistance wire.

Detailed ways:

The utility model discloses a plunger-copper sleeve friction pair performance testing device, which comprises four parts: a driving system, a loading system, a measuring system and an oil supply system.

As shown in Fig. 1, Fig. 2 and Fig. 3, the transverse drive motor 18 is fixed on the lower moving plate 5 upper surface, and the first leading screw 22 is connected with the transverse drive motor 18 by the first coupling 23, and the first leading screw 22 is provided with There are a first moving nut 24 and a first fixing nut 25, wherein the first moving nut 24 is fixed on the lower surface of the upper moving plate 16, and the first fixing nut 25 is located at the end of the first leading screw 22 and is installed on the lower moving plate 5. surface. The upper guide rail 19 is installed on the lower moving plate 5, and four symmetrically arranged upper slide blocks 15 are installed on the upper guide rail 19. The upper slide block 15 is fixedly arranged on the lower surface of the upper moving plate 16, and the mounting table 17 is fixed on the upper moving plate 16. . The longitudinal driving motor 21 is installed on the fixed plate 1, and the second leading screw 27 is connected with the longitudinal driving motor 21 through the second coupling 26; the second leading screw 27 is provided with a second moving nut 28 and a second fixing nut 29, Wherein the second moving nut 28 is fixed on the lower surface of the lower moving plate 5 , and the second fixing nut 29 is located at the end of the second lead screw 27 and is installed on the upper surface of the fixed plate 1 . Four symmetrically arranged lower sliders 4 are installed on the lower guide rail 20 , and the lower sliders 4 are fixedly arranged on the lower surface of the lower movable plate 5 .

As shown in Figure 1, Figure 4, Figure 5, and Figure 6, the angle steel fixing plate 2 is installed on the fixing plate 1, the angle steel support plate 3 is installed on the angle steel fixing plate 2, and the horizontal support plate 8 is fixed on the top of the angle steel support plate 3 , the loading motor 30 is installed on the horizontal support plate 8 through the flange at the bottom, the third leading screw 32 is connected with the loading motor 30 through the third shaft coupling 31, the third leading screw 32 is covered with a leading screw nut 33, through Stud 35 is connected with scroll wheel connector 36, and sleeve 38 is housed in the hole of scroll wheel 39, and sleeve 38 is sleeved on the pin 37, and scroll wheel 39 and sleeve 38 are installed on the scroll wheel connector 36 by pin 37 , Between the rolling wheel 39 and the sleeve 38, between the sleeve 38 and the pin 37 is clearance fit, the limit guide plate 7 is located at the rear side of the lead screw nut 33 and is close to the lead screw nut 33, the limit lead The plate 7 is fixed on the angle steel support plate 3, and the Z-shaped support 6 is fixed on the angle steel support plate 3. The screw rod 40 is on the same axis as the third lead screw 32, and the screw rod 40 is fixed on the Z-shaped support plate 6 through the limit hole. When loading, the screw rod 40 does not come into contact with its upper end parts, the joint bearing 41 is connected with the screw rod 40 through threads, the ball joint rod 42 is installed under the joint bearing 41, the plunger 43 is fixed under the ball joint rod 42, and the lower clamp 44 Be fixed on the mounting platform 17. The first pressure sensor 10 is positioned on the Z-type support 6, and measures the frictional force on the horizontal direction; The second pressure sensor 34 is fixed on the below of the leading screw nut 28, measures the size of the power on the vertical direction, and the total controller 9 can compare the data It collects and processes, and connects with the three motors through data lines to control the speed of the motor, the loading of force, etc. The data measured by the two sensors are analyzed and calculated by the general controller 9 to obtain test results.

As shown in Figure 1 and Figure 11, the lubricating oil in the oil tank 49 flows out from the oil delivery pipe 14 through the filter 50, enters the throttle valve 53 and the flow meter 54, and enters the hole of the plunger, so that the gap between the plunger and the surface of the copper sleeve A continuous oil film can be formed, and the overflowing lubricating oil is collected through the oil box 11 , and then returns to the oil tank 49 through the oil return pipe 13 . Wherein the effect of overflow valve 52 is to prevent the oil pressure from being too high to damage hydraulic pump 51; the effect of throttle valve 53 is to control the flow of lubricating oil; - The test of the copper sleeve friction pair under different oil temperature conditions, the oil temperature is displayed by the temperature display device 56 .

The utility model is one of methods for testing the performance of the plunger-copper sleeve friction pair. The method ignores the influence of the plunger's rotation and only simulates the reciprocating linear motion of the plunger in the copper sleeve. The specific test method is as follows: Use the second fixing screw 46 to clamp the semicircular copper sleeve 48 on the lower fixture 44, adjust the level of the Z-shaped bracket 6 through the level adjuster to ensure the vertical loading of the force, and then manually adjust the upper moving plate 16 and the lower Move the position of the plate 5 so that the surface of the plunger 43 and the surface of the semicircular copper sleeve 48 are completely attached without gaps, and the loading motor 30 is controlled by the master controller 9 to load the force. Then open hydraulic pump 51 and throttling valve 53 to supply the lubricating oil of right amount and suitable temperature in the hole of plunger through oil supply pipe, control lateral drive motor 18 to move by general controller 9, make lateral drive motor 18 pass through the first A shaft coupling 23 drives the first lead screw 22 to rotate, and drives the plunger 43 to perform reciprocating linear motion in the semicircular copper sleeve 48 . Finally, the data measured by the first pressure sensor 10 and the second pressure sensor 34 are observed and recorded by the general controller 9 .

The utility model is used for the second method of testing the performance of the plunger-copper sleeve friction pair. This method considers the influence of the plunger rotation factor, and simplifies the actual movement form of the plunger in the copper sleeve to a combination between the surface and the surface. Reciprocating motion, the specific test method is as follows: use the first fixing screw 45 to clamp the copper block 47 on the lower fixture 44, adjust the level of the Z-shaped bracket 6 through the level adjuster to ensure the vertical loading of the force, and then manually adjust the upper moving plate 16 and the position of the lower moving plate 5, the plunger 43 surface and the copper block 47 surface are fully bonded, no gap is left, and the loading motor 30 is controlled by the master controller 9 to carry out the loading of power. Then open the hydraulic pump 51 and the throttle valve 53 to supply a proper amount of lubricating oil with a suitable temperature to the hole of the plunger through the oil supply pipe, and control the horizontal drive motor 18 and the longitudinal drive motor 21 to move through the master controller 9, so that the horizontal The driving motor 18 drives the first lead screw 22 to rotate through the first shaft coupling 23, and drives the plunger 43 to reciprocate horizontally on the surface of the copper block 47 to simulate the reciprocating movement of the plunger in the copper sleeve in the actual plunger pump; The driving motor 21 drives the second lead screw 27 to rotate through the second coupling 26, and drives the plunger 43 to perform longitudinal reciprocating motion on the surface of the copper block 47 to simulate the rotation movement of the plunger in the copper sleeve in the actual plunger pump Finally, the data measured by the first pressure sensor 10 and the second pressure sensor 34 are observed and recorded by the general controller 9 . Various signals are collected and sorted by the master controller 9, and finally the relationship curves of loading force-time, friction force-time and friction coefficient-time are obtained.

Claims (1)

1. plunger-copper sheathing friction pair performance testing device, is characterized in that this proving installation comprises drive system, loading system, measuring system and oil supply system, described drive system comprises fixed head (1), horizontal drive motor (18), first leading screw (22), upper strata guide rail (19), upper strata slide block (15), upper shifting board (16), vertical drive motor (21), second leading screw (27), lower floor's guide rail (20), lower floor's slide block (4), lower shifting board (5) and erecting bed (17), described horizontal drive motor (18) is fixed on the upper surface of described lower shifting board (5), described first leading screw (22) is connected with described horizontal drive motor (18) by the first shaft coupling (23), described first leading screw (22) is provided with the first travelling nut (24) and the first hold-down nut (25), wherein said first travelling nut (24) is fixed on the lower surface of described upper shifting board (16), described first hold-down nut (25) is positioned at the end of described first leading screw (22), described first hold-down nut (25) is arranged on the upper surface of described lower shifting board (5), described upper strata guide rail (19) is arranged on described lower shifting board (5), the upper installation four symmetrically arranged described upper strata slide block (15) in described upper strata guide rail (19), described upper strata slide block (15) is fixedly installed on the lower surface of described upper shifting board (16), described erecting bed (17) is fixed on described upper shifting board (16), described vertical drive motor (21) is arranged on described fixed head (1), described second leading screw (27) is connected with described vertical drive motor (21) by the second shaft coupling (26), described second leading screw (27) is provided with the second travelling nut (28) and the second hold-down nut (29), described second travelling nut (28) is fixed on the lower surface of described lower shifting board (5), described second hold-down nut (29) is positioned at the end of described second leading screw (27), described second hold-down nut (29) is fixedly mounted on the upper surface of fixed head (1), described lower floor guide rail (20) is fixed on described fixed head (1), the upper installation four symmetrically arranged described lower floor slide block (4) of described lower floor guide rail (20), described lower floor slide block (4) is fixedly installed on the lower surface of described lower shifting board (5), described loading system comprises angle steel fixed head (2), angle steel back up pad (3), horizontal supporting plate (8), loading motor (30), 3rd leading screw (32), Z-type support (6), screw rod (40), oscillating bearing (41), ball rod (42), plunger (43) and lower clamp (44), described angle steel fixed head (2) is arranged on described fixed head (1), described angle steel back up pad (3) is arranged on described angle steel fixed head (2), described horizontal supporting plate (8) is fixed on the top of described angle steel back up pad (3), described loading motor (30) is arranged on described horizontal supporting plate (8) by the flange of bottom, described 3rd leading screw (32) is connected with described loading motor (30) by the 3rd shaft coupling (31), the upper cover of described 3rd leading screw (32) has feed screw nut (33), described feed screw nut (33) is connected with scroll wheel web member (36) by studs (35), sleeve (38) is provided with in described scroll wheel (39) hole, described scroll wheel (39) and described sleeve (38) are arranged on described scroll wheel web member (36) by pin (37), between described scroll wheel (39) and described sleeve (38), clearance fit between described sleeve (38) and described pin (37), described spacing helical pitch plate (7) is positioned at the rear side of described feed screw nut (33) and is close to described feed screw nut (33), described spacing helical pitch plate (7) is fixed in angle steel back up pad (3), described Z-type support (6) is fixed on described angle steel back up pad (3), described screw rod (40) and described 3rd leading screw (32) are positioned on same axis, described screw rod (40) is fixed on described Z-type support (6) by spacing hole, when not loading, described screw rod (40) does not contact with its upper part, described oscillating bearing (41) is connected with described screw rod (40) by screw thread, described ball rod (42) is arranged on the below of described oscillating bearing (41), described plunger (43) is fixed on the below of described ball rod (42), described lower clamp (44) is fixed on described erecting bed (17), described measuring system comprises master controller (9), the first pressure transducer (10) and the second pressure transducer (34), described first pressure transducer (10) is arranged on described Z-type support (6), and described second pressure transducer (34) is arranged on the lower surface of described feed screw nut (33), described oil supply system comprises oil box (11), hydraulic oil supply system (12), scavenge pipe (13) and fuel feed pump (14), described hydraulic oil supply system comprises fuel tank (49), filtrator (50), hydraulic pump (51), surplus valve (52), throttling valve (53), flowmeter (54), temperature indicator (55) and resistive heater (56), wherein said oil box (11) is positioned at described lower clamp (44) below and is fixedly mounted on the upper surface of described erecting bed (17), it is inner that described filtrator (50) is positioned at described fuel tank (49), described fuel tank (49) connects described hydraulic pump (51), described surplus valve (52) is fixedly mounted on the side of described hydraulic pump (51), described throttling valve (53) is arranged on the described fuel feed pump (14) of deriving from described hydraulic pump (51), described fuel feed pump (14) is provided with described flowmeter (54), described fuel feed pump (14) is connected by the hole of screw thread with described plunger (43), described temperature indicator (55) is arranged in described fuel tank (49), described resistive heater is fixedly mounted on the bottom of described fuel tank (49).