CN203785962U - A device for testing mechanical properties of water filter pipes - Google Patents

Abstract

The utility model discloses a device for testing the mechanical property of a water filter pipe. The device consists of an automatic pressure regulation control device of an oil supply system, and an extrusion device, wherein the oil supply system comprises an oil pump, an oil tank and a reversing valve; the extrusion device comprises a cylinder, an extrusion die holder, an extrusion die, a hydraulic cylinder and a ribbon; each hydraulic pipeline can be respectively controlled through the oil supply system, the pressure maintaining of the hydraulic pipeline during operation is realized, and the rapid unloading after the operation is realized; a replaceable conical extrusion die holder is arranged on the extrusion die holder of the extrusion device, so that water filter pipes with different models are conveniently tested; meanwhile, when a fastening device works, high and low two-stage opening and closing speeds are obtained, and the working efficiency can be improved. The device has the advantages that an integrated test of confining pressure performance, axial bending resistance and radial bending resistance of the water filter pipe can be realized, and the device has the advantages of wide application range, high opening and closing pressure, long service life and the like.

Description

A device for testing mechanical properties of water filter pipes

technical field

The utility model relates to a device for testing the mechanical performance of a filter pipe, which belongs to the technical field of hydraulic machinery.

technical background

With the mining of deep brine, the filter pipe lengthens with the increase of water depth, whether its strength and stability can meet the requirements of deep brine mining has become the main consideration of brine mining. Under deep formation conditions, the stress state of the filter string is very complex and harsh. Many filter tubes cannot adapt to and withstand the huge comprehensive external force, which interrupts the mining operation, or even fails to resume drilling, resulting in accidents such as drilling failure. And then cause huge loss to the deep brine mining project. Therefore, obtaining real-time and reliable monitoring data of the force of the water filter pipe can provide necessary information for the force analysis of the water filter pipe. At present, many measuring instruments can only test the bending performance or confining pressure of the water filter pipe.

Contents of the invention

The first purpose of the utility model is to provide a testing device for the mechanical performance of the filter pipe with complete functions, wide application range, easy use and high efficiency. Integrated testing of bending performance.

The utility model is composed of a frame, a control panel, a hydraulic pump, a motor, an oil tank, a comprehensive valve, a second pressure gauge, a cylinder body, a front end cover, an extrusion mold base, an extrusion mold, mold screws, screws, countersunk screws, Extrusion block, screw, first oil inlet and outlet joint, rear end cover, second oil inlet and outlet joint, third oil inlet and outlet joint, connecting rod, first hydraulic cylinder, first fast forward inclined plane, first working inclined plane, fixed mold, Triangular pressure head, cable tie, first fixture, groove, second positioning pin, flat bottom pressure head, first electromagnetic reversing valve, second electromagnetic reversing valve, third electromagnetic reversing valve; first hydraulic lock, second Second hydraulic lock, third hydraulic lock; second hydraulic cylinder, fixture, spring, second fixture, first pressure gauge, third pressure gauge, bump, front T-slot, second fast-forward slope, second working It consists of a feed slope, a first positioning pin, a first pin hole, a second pin hole, a rear T-shaped slot, a closed space, a first chute, and a second chute.

The cylinder body of the crimping device is welded on the frame, and the crimping device consists of a cylinder body, a front cover, an extrusion die base, an extrusion die, mold screws, screws, countersunk screws, extrusion blocks, screws, the first oil inlet and outlet joints, The rear end cover, the second oil inlet and outlet joint, and the third oil inlet and outlet joint are composed. The third oil inlet and outlet joint is located on the side surface of the cylinder body, the first oil inlet and outlet joint and the second oil inlet and outlet joint are located on the rear end cover, and the front end cover and The rear end cover is respectively connected to the front end and the rear end of the cylinder body, and is fixed by countersunk head screws and screws. The extrusion die is connected to the extrusion die base through the die screw, and the extrusion die base is connected to the front end cover through screws. The pressing block is located between the extrusion die base and the rear end cover in the oil cylinder, and there is a closed space between the front cylinder surface of the extrusion block and the inner bar wall of the cylinder body. A closed space is provided between the inner cylinder wall of the cylinder and the cylinder body. One end of the spring is connected to the rear end of the extrusion die, and the other end is connected to the rear end cover, which is used to reset the extrusion die when the work is finished.

The front end cover and the rear end cover of the crimping device are respectively provided with a front T-slot and a rear T-slot near the upper surface, and the first clamp and the second clamp can be clamped in the front T-slot and the rear T-slot. And according to the position of the connecting rod, the positions of the first fixture and the second fixture can be adjusted to move forward and backward.

The end face of the front end cover and the end face of the extrusion die base are respectively provided with corresponding end face slopes, and the end face slopes have an included angle of 100° with the vertical direction.

There is a first chute on the inclined end face of the front end cover, one end of the screw is inserted into the first chute, and the other end is screwed into the extrusion block. During the extrusion work, the extrusion block drives the screw in the first chute Sliding, a second slide groove is provided on the extrusion die base, one end of the die screw is inserted into the second slide groove, and the other end is connected with the extrusion die.

The rear end cover and the side surface of the cylinder body are connected with oil inlet and outlet joints communicating with the closed space, and the oil inlet and outlet ports are connected with a first oil inlet and outlet joint, a second oil inlet and outlet joint and a third oil inlet and outlet joint.

The first hydraulic cylinder and the second hydraulic cylinder are connected by a connecting rod. There is a rectangular groove in the middle of the upper end of the cylinder body of the crimping device, and there is a rectangular protrusion in the middle position corresponding to the connecting rod at the lower end. The protrusion of the connecting rod can be It is placed in the rectangular groove on the upper surface of the crimping device, and can move back and forth, but cannot move left and right.

The connecting rod is provided with a first pin hole and a second pin hole, the positions of the first pin hole and the second pin hole are symmetrical about the protrusion on the connecting rod, and the distance between the first pin hole and the second pin hole is the crimping device. The width of the upper surface is such that the connecting rod is connected with the first clip through the first positioning pin, and the connecting rod is connected with the second clip through the second positioning pin, so that the connecting rod can be fixed on the crimping device.

The hydraulic rods of the first hydraulic cylinder and the second hydraulic cylinder are drilled with internal threads, and the flat-bottomed or triangular pressure heads can be replaced according to different work requirements.

The extrusion die of the crimping device can be replaced, and the size and shape of the extrusion die can be changed according to different work requirements. The middle position of the non-working surface of the extrusion die is drilled with an internal thread hole.

When testing the confining pressure, place a/round cable tie on the outside of the extrusion surface of the extrusion die.

The first fast-forward slope and the first working feed slope with different slopes are arranged on the extrusion die base, and the second fast-forward slope and the second working feed slope with different slopes are correspondingly provided on the extrusion block. The slope of the fast-forward slope is greater than the slope of the first working feed slope, and the slope of the second fast-forward slope is greater than the slope of the second work feed slope.

The first electromagnetic reversing valve, the second electromagnetic reversing valve, the third electromagnetic reversing valve, the first hydraulic lock, the second hydraulic lock and the third hydraulic lock are arranged in the comprehensive valve, the first electromagnetic reversing valve, the third A pressure gauge and the first hydraulic lock are connected to the working branch of the crimping device, the second electromagnetic reversing valve, the second pressure gauge and the second hydraulic lock are connected to the working branch of the first hydraulic cylinder, and the third electromagnetic reversing valve , The third pressure gauge and the third hydraulic lock are connected to the working branch of the second hydraulic cylinder.

The hydraulic system controls the problem of oil in and out and pressure maintenance during work through the control panel.

After the crimping is finished, the hydraulic oil enters through the oil inlet and outlet joints, and the first oil inlet and outlet joints and the second oil inlet and outlet joints output oil, so that the extrusion block is reset.

When testing the confining pressure performance of the water filter pipe, pass the water filter pipe through the central channel of the crimping device and place it horizontally. The tool and the first fixture are fixed, the motor and the hydraulic pump are controlled through the control panel, the first pressure gauge can observe the size of the oil pressure, the first electromagnetic reversing valve controls the hydraulic oil to flow through the first oil inlet and outlet joint, and pushes the extrusion block The axial movement further drives the extrusion die base to move axially, and the extrusion die base drives the extrusion die to move axially and slightly radially. Since the contact surface between the front end cover and the extrusion die base is an inclined plane and the inclined plane is in line with the horizontal plane The included angle of the direction is relatively large, so the extrusion die base moves radially as well as the small axial movement. At the same time, the extrusion die base pushes the extrusion die to squeeze the water filter pipe. Before squeezing the water filter pipe, it is necessary to add a cable tie to the outer wall of the water filter pipe, and open a T-shaped groove on the inner surface of the middle position of the four quarter-circle cable ties to facilitate the placement of the sensor. The readings can be used to visually observe the force of the water filter pipe. The existence of the cable tie can also make the outer wall of the water filter pipe bear the extrusion force more evenly. After the extrusion work is finished, the first oil inlet and outlet joint will discharge oil, and the third oil inlet and outlet joint will enter oil, pushing the extrusion block to reset, and at the same time, the spring pulls the extrusion die base to reset, and the extrusion die will reset together with the extrusion die base.

When testing the radial bending resistance of the water filter pipe, first replace the extrusion die of the extrusion mechanism, and replace the original extrusion die with a triangular fixed die as shown in the figure. Put the water filter pipe into it through the central passage of the extruding mechanism, adjust the position of the water filter pipe so that after the fixed mold is in place, it is just at the midpoint of the water filter pipe. The position of the connecting rod is adjusted so that it is located at the center of the upper surface of the crimping device, and fixed by the second clamp and the first clamp. The hydraulic pump works to push the extrusion block to move, so that the fixed mold clamps the water filter pipe, the first electromagnetic reversing valve resets, and the first hydraulic lock works to keep the pressure in the crimping device constant. The pressure can be determined by the first pressure gauge Read: supply oil to the first hydraulic cylinder and the second hydraulic cylinder, extend the hydraulic rod, press down the two ends of the filter pipe, observe the readings on the second pressure gauge and the third pressure gauge and the pressure of the two hydraulic rods The displacement is recorded, and the compressive performance of the filter pipe is calculated based on the recorded data. Wherein, the pressure heads of the first hydraulic cylinder and the second hydraulic cylinder are replaceable pressure heads, in preparation for measuring the axial compressive strength of the filter pipe.

When testing the axial bending performance of the water filter pipe, fix the water filter pipe on the ground B, the position is directly below the second hydraulic cylinder, establish a mechanical model with one end hinged and one end fixed, and the pressure on the hydraulic rod of the second hydraulic cylinder Replace the head with a flat-bottom pressure head, control the work of the second hydraulic cylinder, squeeze the water filter pipe, read the pressure number through the third pressure gauge and record it, and calculate the axial compressive strength of the water filter pipe by recording the value.

When measuring the torsion resistance of the water filter pipe, put the water filter pipe into it through the central channel of the extrusion mechanism, adjust the position of the connecting rod, so that when the hydraulic rod is stretched out to work, the triangular pressure head can just push the screw connection fastening part of the fixture , and fixed by the second fixture and the first fixture. Put the fixture on the end of the water filter pipe close to the first hydraulic cylinder, tighten it with screws, and the hydraulic system starts to work. The first oil inlet and outlet joints enter the oil to push the extrusion block to move, so that the fixed mold clamps the water filter pipe, and then controls the first electromagnetic switch. Return to the valve, the first hydraulic lock works to keep the pressure in the crimping device unchanged, the pressure can be read through the first pressure gauge, the first hydraulic cylinder starts to work, and the triangular pressure head pushes down the screw connection of the fixture to tighten At the fixed place, record the working reading of the second pressure gauge, and calculate the torsional strength through data calculation.

The beneficial effects of the utility model:

1. In the utility model, four sensors are arranged at intervals of 90° on the same circumference of the water filter pipe, so the axial and bending combined stress of the water riser can be obtained through each sensor.

2. The utility model is provided with a chute on the inclined end surface of the front end cover, and the extrusion die base is connected to the front end cover through T-shaped screws, so that the movement of the extrusion die base adopts a guided sliding structure, which compensates for the extrusion The support spring in the mold base is deformed due to fatigue during long-term use, resulting in uneven spacing, which achieves the purpose of being in the most ideal working state for a long time.

3. The utility model is provided with two corresponding slopes with different slopes on the extrusion die base and the extrusion block, so that the extrusion die base moves at two speeds, fast and slow, in the process of shrinking and expanding, so that the crimping device can crimp While having higher operating efficiency, it can also increase the output value of pressurized pressure and reduce the burden on the hydraulic system.

4. The utility model integrates the confining pressure test, axial bending test, radial bending test and torsion test of the filter pipe, which is convenient for integrated control and greatly improves the test efficiency.

5. The hydraulic system of the utility model is equipped with a hydraulic lock, which can more conveniently solve the problem of maintaining pressure during work.

Description of drawings

Fig. 1 is a structural diagram of the utility model.

Fig. 2 is a schematic diagram of the confining pressure test of the utility model.

Fig. 3 is a schematic diagram of the radial bending test of the utility model.

Fig. 4 is a schematic diagram of an axial bending test of the present invention.

Fig. 5 is a schematic diagram of the axial torsion test of the utility model.

Fig. 6 is a hydraulic system diagram of the utility model.

Figure 7 is a front view of the crimping device.

Detailed ways

Please refer to Fig. 1 to Fig. 7, the utility model is composed of frame 1, control panel 2, hydraulic pump 3, motor 4, oil tank 5, integrated valve 6, second pressure gauge 7, cylinder block 8, front end cover 9 , Extrusion die base 10, extrusion die 11, die screw 12, screw 13, countersunk screw 14, extrusion block 15, screw 16, first oil inlet and outlet joint 17, rear end cover 18, second oil inlet and outlet joint 19 , the third oil inlet and outlet joint 20, the connecting rod 21, the first hydraulic cylinder 22, the first fast forward slope 23, the first working slope 24, the fixed mold 25, the triangular pressure head 26, the cable tie 27, the first fixture 28, Groove 29, second positioning pin 30, flat bottom pressure head 31, first electromagnetic reversing valve 32, second electromagnetic reversing valve 33, third electromagnetic reversing valve 34; first hydraulic lock 35, second hydraulic lock 36, The third hydraulic lock 37; the second hydraulic cylinder 38, the clamp 39, the spring 40, the second fixture 41, the first pressure gauge 42, the third pressure gauge 43, the bump 44, the front T-shaped groove 45, the second fast forward Slope 46, second working feed slope 47, first positioning pin 48, first pin hole 49, second pin hole 50, rear T-shaped slot 51, closed space 52, first chute 53, second chute 54 composition.

The cylinder body 8 of the crimping device is welded on the frame 1, and the crimping device consists of a cylinder body 8, a front cover 9, an extrusion die base 10, an extrusion die 11, a mold screw 12, a screw 13, a countersunk screw 14, an extrusion block 15. Screw 16, the first oil inlet and outlet joint 17, the rear end cover 18, the second oil inlet and outlet joint 19, and the third oil inlet and outlet joint 20, the third oil inlet and outlet joint 20 is located on the side surface of the cylinder body 8, the first inlet and outlet The oil joint 17 and the second oil inlet and outlet joint 19 are located on the rear end cover 18, and the front end cover 9 and the rear end cover 18 are respectively connected to the front end and the rear end of the cylinder body 8, and are connected and fixed by countersunk screws 14 and screws 16. The die 11 is connected to the extrusion die base 10 through the die screw 12, the extrusion die base 10 is connected to the front end cover 9 through the screw 13, and the extrusion block 15 is located between the extrusion die base 10 and the rear end cover 18 in the oil cylinder , and a closed space 52 is provided between the front cylindrical surface of the extrusion block 15 and the inner wall of the cylinder body 8, and a closed space 52 is provided between the rear end surface of the extrusion block 15 and the rear end cover 18 and the inner cylinder wall of the cylinder body 8. There is a closed space 55, one end of the spring 40 is connected to the rear end of the extrusion die 11, and one end is connected to the rear end cover 18, and is used for resetting the extrusion die 11 when the work is finished.

The front end cover 9 and the rear end cover 18 of the crimping device are respectively provided with a front T-shaped slot 45 and a rear T-shaped slot 51 near the upper surface, and the first clamp 28 and the second clamp 41 can be stuck in the front T-shaped slot 45 and in the rear T-shaped slot 51 , and can move forward and backward by adjusting the positions of the first clamp 28 and the second clamp 41 according to the position of the connecting rod 21 .

On the end face of the front end cover 9 and the end face of the extrusion die holder 10 are respectively provided with corresponding end face slopes, and the end face slopes have an included angle of 10 degrees with the vertical direction.

A first chute 53 is provided on the inclined end surface of the front end cover 9, and one end of the screw 13 is inserted in the first chute 53, and the other end is tightened in the extruding block 15. During the extruding work, the extruding block drives the screw 13 Sliding in the first chute 53, a second chute 54 is provided on the extrusion die base 10, one end of the die screw 12 is inserted in the second chute 54, and the other end is connected with the extrusion die.

On the side surface of the rear end cover 18 and the cylinder block 8, there is an oil inlet and outlet joint connected with the closed space 52, and the oil inlet and outlet interface is connected with the first oil inlet and outlet joint 17, the second oil inlet and outlet joint 19 and the third oil inlet and outlet joint 20 .

The first hydraulic cylinder 22 and the second hydraulic cylinder 38 are connected by a connecting rod 21. There is a rectangular groove 29 in the middle position of the upper end of the cylinder body 8 of the crimping device, and there is a rectangular protrusion 44 in the middle position corresponding to the connecting rod 21 at the lower end. , the projection 44 of the connecting rod 21 can be placed in the rectangular groove 29 on the upper surface of the crimping device, and can move back and forth, but cannot move left and right.

The first pin hole 49 and the second pin hole 50 are provided on the connecting rod 21, and the positions of the first pin hole 49 and the second pin hole 50 are symmetrical about the protrusion on the connecting rod 21, and the first pin hole 49 and the second pin hole The distance between the holes 50 is the width of the crimping device upper surface, the connecting rod 21 is connected with the first clip 28 by the first positioning pin 48, and the connecting rod 21 is connected with the second clip 41 by the second positioning pin 30, thereby The connecting rod 21 can be fixed on the crimping device.

The hydraulic rods of the first hydraulic cylinder 22 and the second hydraulic cylinder 38 are drilled with internal threads, and the flat-bottomed pressure head 31 or the triangular pressure head 26 can be replaced according to different work requirements.

The extrusion die 11 of the crimping device can be replaced, and the size and shape of the extrusion die 11 can be replaced according to different work requirements. The middle position of the non-working surface of the extrusion die 11 is drilled with an internal threaded hole.

When testing the confining pressure, four 1/4 round cable ties 27 are placed on the outside of the extrusion surface of the extrusion die 11.

The first fast-forward slope 23 and the first working feed slope 24 with different slopes are set on the extrusion die base 10, and the second fast-forward slope 46 and the second work feed slope 46 with different slopes are correspondingly provided on the extrusion block 15. For the slope 47 , the slope of the first fast-forward slope 23 is greater than the slope of the first working feed slope 24 , and the slope of the second fast-forward slope 46 is greater than the slope of the second working feed slope 47 .

A first electromagnetic reversing valve 32, a second electromagnetic reversing valve 33, a third electromagnetic reversing valve 34, a first hydraulic lock 35, a second hydraulic lock 36 and a third hydraulic lock 37 are arranged in the integrated valve 6. An electromagnetic reversing valve 32, the first pressure gauge 42 and the first hydraulic lock 35 are connected to the working branch of the crimping device, and the second electromagnetic reversing valve 33, the second pressure gauge 7 and the second hydraulic lock 36 are connected to the first On the working branch of the hydraulic cylinder 22 , the third electromagnetic reversing valve 34 , the third pressure gauge 43 and the third hydraulic lock 37 are connected to the working branch of the second hydraulic cylinder 38 .

The hydraulic system controls the problem of oil in and out and pressure maintenance during work through the control panel 2.

After the crimping is finished, the hydraulic oil enters the oil through the oil inlet and outlet joint 20, and the first oil inlet and outlet joint 17 and the second oil inlet and outlet joint 19 leave the oil, so that the extrusion block 15 is reset. The spring 40 is pulled back to its original position.

As shown in Figure 2, when testing the confining pressure performance of the water filter pipe, put the water filter pipe A through the central channel of the crimping device and put it horizontally. central position, and fixed by the second fixture 41 and the first fixture 28, the motor 4 and the hydraulic pump 3 are controlled by the control panel 2 to work, the first pressure gauge 42 can observe the size of the oil pressure, the first electromagnetic reversing valve 32 Control the hydraulic oil to flow through the first oil inlet and outlet joint 17, push the extrusion block 15 to move axially and then drive the extrusion die base 10 to move axially, and the extrusion die base 10 drives the extrusion die 11 to move axially and have a small diameter Since the contact surface between the front end cover 9 and the extrusion die base 10 is an inclined plane and the angle between the inclined plane and the horizontal direction is relatively large, the extrusion die base 10 moves radially while making a slight axial movement. At the same time, the extrusion die base 10 pushes the extrusion die 11 to extrude the water filter pipe A. Before squeezing the water filter pipe A, it is necessary to add a cable tie 27 to the outer wall of the water filter pipe A, and open a T-shaped slot on the inner surface of the middle of the four quarter-circle cable ties 27 to facilitate the placement of the sensor. Observing the readings sent by the sensor can intuitively observe the stress of the water filter pipe A, and the existence of the cable tie 27 can also make the outer wall of the water filter pipe A more balanced to withstand the extrusion force. After the extrusion work is finished, the first oil inlet and outlet joint 17 outputs oil, the third oil inlet and outlet joint 20 enters oil, pushes the extrusion block 15 to reset, and at the same time, the spring 40 pulls the extrusion mold base 10 to reset, and the extrusion mold 11 is pressed Die holder 10 resets together.

As shown in FIG. 3 , when testing the radial bending resistance of the water filter pipe, the extrusion die 11 of the extrusion mechanism is first replaced, and the original extrusion die 11 is replaced with the triangular fixed die 25 shown in the figure. Put the water filter pipe A into it through the central channel of the extruding mechanism, adjust the position of the water filter pipe A so that after the fixed mold 25 is in place, it is just in the position of the midpoint of the water filter pipe A. The position of the connecting rod 21 is adjusted so that it is located at the center of the upper surface of the crimping device, and fixed by the second clip 41 and the first clip 28 . The hydraulic pump 3 works to push the extrusion block 15 to move, so that the fixed mold 25 clamps the water filter pipe A, the first electromagnetic reversing valve 32 resets, and the first hydraulic lock 35 works to keep the pressure in the crimping device constant. It can be read by the first pressure gauge 42; supply oil to the first hydraulic cylinder 22 and the second hydraulic cylinder 38, make the hydraulic rod stretch out, press down the two ends of the filter pipe A, observe the second pressure gauge 7 and the third The reading on the pressure gauge 43 and the displacement of the two hydraulic rods are recorded, and the compressive performance of the filter pipe A is calculated according to the recorded data. Wherein, the pressure heads of the first hydraulic cylinder 22 and the second hydraulic cylinder 38 are replaceable pressure heads, in preparation for measuring the axial compressive strength of the filter pipe.

As shown in Figure 4, when testing the axial bending performance of the water filter pipe, the water filter pipe A is fixed on the ground B, the position is directly below the second hydraulic cylinder 38, and a mechanical model with one end hinged and the other end fixed is established. The pressure head on the hydraulic rod of the hydraulic cylinder 38 is changed to a flat-bottomed pressure head 31, and the second hydraulic cylinder 38 is controlled to squeeze the water filter pipe. The pressure number is read and recorded by the third pressure gauge 43, and the filter value is calculated by recording the value. Axial compressive strength of pipe A.

As shown in Figure 5, when measuring the torsion resistance of the water filter pipe, put the water filter pipe A into it through the central passage of the extrusion mechanism, adjust the position of the connecting rod 21, and make the hydraulic rod stretch out to work, and the triangular pressure head can just Push the fastening part of the screw connection of the clamp 39 and fix it by the second clamp 41 and the first clamp 28 . Set the clamp 39 on the end of the water filter pipe A close to the first hydraulic cylinder 22, and tighten it with screws, the hydraulic system starts to work, the first oil inlet and outlet joint 17 enters the oil and pushes the extrusion block 15 to move, so that the fixed mold 25 clamps the water filter pipe, Afterwards, the first electromagnetic reversing valve 32 is controlled to reset, and the first hydraulic lock 35 works to keep the pressure in the crimping device constant. The pressure can be read by the first pressure gauge 42, and the first hydraulic cylinder 22 starts to work. Push down the screw connection fastening part of the clamp 39, record the working reading of the second pressure gauge 7, and calculate the torsional strength through the data.

Claims (1)

1. a filter pipe Mechanics Performance Testing device, it is characterized in that: be by frame (1), control panel (2), hydraulic pump (3), motor (4), fuel tank (5), comprehensive valve (6), the second tensimeter (7), cylinder body (8), front end end cover (9), extruding die holder (10), extrusion die (11), die screw (12), screw (13), sunk screw (14), crushing block (15), screw (16), first enters delivery connection (17), rear end cap (18), second enters delivery connection (19), the 3rd enters delivery connection (20), connecting link (21), the first hydraulic cylinder (22), the first F.F. inclined-plane (23), the first inclined working (24), fixed mould (25), triangle pressure head (26), band (27), the first jig (28), groove (29), the second register pin (30), flat pressure head (31), the first solenoid directional control valve (32), the second solenoid directional control valve (33), the 3rd solenoid directional control valve (34), the first hydraulic lock (35), the second hydraulic lock (36), the 3rd hydraulic lock (37), the second hydraulic cylinder (38), fixture (39), spring (40), the second jig (41), the first tensimeter (42), the 3rd tensimeter (43), projection (44), front T type groove (45), the second F.F. inclined-plane (46), the second work feed inclined-plane (47), the first register pin (48), the first pin-and-hole (49), the second pin-and-hole (50), rear T-shaped groove (51), confined space (52), the first chute (53), the second chute (54) form,

The cylinder body of crimping device (8) is welded in frame (1), crimping device is by cylinder body (8), front end end cover (9), extruding die holder (10), extrusion die (11), die screw (12), screw (13), sunk screw (14), crushing block (15), screw (16), first enters delivery connection (17), rear end cap (18), second enters delivery connection (19), the 3rd enters delivery connection (20) forms, the 3rd enters delivery connection (20) is positioned on the side surface of cylinder body (8), first enters delivery connection (17) and second enters delivery connection (19) and is positioned on rear end cap (18), front end end cover (9) and rear end cap (18) are connected in respectively the front-end and back-end of cylinder body (8), by sunk screw (14) and screw (16), be connected and fixed, extrusion die (11) is connected on extruding die holder (10) by die screw (12), extruding die holder (10) is connected on front end end cover (9) by screw (13), crushing block (15) is positioned between extruding die holder (10) and rear end cap (18) in oil cylinder, and be provided with confined space (52) between the front cylinder of crushing block (15) and the interior thick stick wall of cylinder body (8), between the rear end face of crushing block (15) and the interior casing wall of rear end cap (18) and cylinder body (8), be provided with confined space (55), spring (40) one end is connected to the rear end of extrusion die (11), one end is connected on rear end cap (18), during for end-of-job, the reset work of extrusion die (11), the front end end cover of crimping device (9) and rear end cap (18) have front T type groove (45) and rear T-shaped groove (51) near the position of upper surface, the first jig (28) and the second jig (41) may be stuck in front T type groove (45) and rear T-shaped groove (51), and can move forward and backward according to the self-position of connecting link (21) position adjustments the first jig (28) and the second jig (41),

On the end face of front end face 9 and on the end face of extruding die holder (10), being respectively equipped with corresponding end face inclined-plane, there is the angle of 10 degree in this end face inclined-plane and vertical direction;

On the inclined end face of front end end cover (9), be provided with the first chute (53), one end of screw (13) is inserted in the first chute (53), one end is tightened in crushing block (15), in extruding work, crushing block drives screw (13) to slide in the first chute (53), on extruding die holder (10), be provided with the second chute (54), one end of die screw (12) is inserted in the second chute (54), and the other end is connected with extrusion die;

On the side surface of rear end cap (18) and cylinder body (8), be connected with the delivery connection that enters communicating with confined space (52), enter oil out port and be connected to first and enter delivery connection (17), second and enter delivery connection (19) and the 3rd and enter delivery connection (20);

The first hydraulic cylinder (22) is connected by connecting link (21) with the second hydraulic cylinder (38), the cylinder body of crimping device (8) centre position, upper end has a rectangular slot (29), the connecting link of lower end (21) centre position corresponding thereto, there is a rectangular projection (44), the projection (44) of connecting link (21) can be placed on crimping device the rectangular slot (29) of upper surface in, and can move forward and backward, can not move left and right;

On connecting link (21), have the first pin-and-hole (49) and the second pin-and-hole (50), the position of the first pin-and-hole (49) and the second pin-and-hole (50) is symmetrical about the projection on connecting link (21), distance between the first pin-and-hole (49) and the second pin-and-hole (50) is the width of crimping device upper surface, by the first register pin (48), connecting link (21) is connected with the first jig (28), by the second register pin (30), connecting link (21) is connected with the second jig (41), thereby can makes connecting link (21) be fixed on crimping device;

The hydraulic stem of the first hydraulic cylinder (22) and the second hydraulic cylinder (38) is drilled with internal thread, can change flat pressure head (31) or triangle pressure head (26) according to different work requirements;

The centre position of the non-working surface of extrusion die (11) is drilled with internal thread hole;

During test confined pressure, the compressive plane outside of extrusion die (11) is first placed with the band (27) of 4 1/4 circles;

On extruding die holder (10), be provided with the first F.F. inclined-plane (23) and the first work feed inclined-plane (24) of different gradient, in the upper correspondence of crushing block (15), be provided with the second F.F. inclined-plane (46) and the second work feed inclined-plane (47) of different gradient, the gradient on the first F.F. inclined-plane (23) is greater than the gradient on the first work feed inclined-plane (24), and the gradient on the second F.F. inclined-plane (46) is greater than the gradient on the second work feed inclined-plane (47);

In comprehensive valve (6), be provided with the first solenoid directional control valve (32), the second solenoid directional control valve (33), the 3rd solenoid directional control valve (34), the first hydraulic lock (35), the second hydraulic lock (36) and the 3rd hydraulic lock (37), the first solenoid directional control valve (32), the first tensimeter (42) and the first hydraulic lock (35) are connected in the work branch of crimping device, the second solenoid directional control valve (33), the second tensimeter (7) and the second hydraulic lock (36) are connected in the work branch of the first hydraulic cylinder (22), the 3rd solenoid directional control valve (34), the 3rd tensimeter (43) and the 3rd hydraulic lock (37) are connected in the work branch of the second hydraulic cylinder (38),

Hydraulic system is by pressurize in the middle of control panel (2) control turnover oil and work.