CN217560934U - Comprehensive test bed of automatic parachute opening device for parachute jumping bag - Google Patents

Abstract

The utility model discloses an automatic parachute opening device comprehensive test bed for a parachute jumping package, which relates to the technical field of comprehensive test beds and comprises a supporting plate, wherein the surface of the supporting plate is provided with two mounting holes, the inner walls of the two mounting holes are rotatably connected with connecting rods through bearings, one ends of the two connecting rods are fixedly provided with belt wheels, one belt wheel is in transmission connection with the other belt wheel through a belt, and the surface of one connecting rod is fixedly provided with a first gear; the utility model has the advantages that: through the cooperation of gear motor, two band pulleys, belt, first gear and second gear, can drive two connecting rods and rotate, conveniently adjust two heights of surveying the board, the staff need not stabilize the connecting rod and place automatic parachute opening device on one side, and is more convenient, can once only carry out pressure test to two automatic parachute opening devices simultaneously, promotes efficiency of software testing.

Description

Comprehensive test bed of automatic parachute opening device for parachute jumping bag

Technical Field

The utility model relates to an automatic parachute opening device combined test platform, in particular to automatic parachute opening device combined test platform is used to parachuting package belongs to combined test platform technical field.

Background

The automatic umbrella opener mainly comprises a power spring, a clock mechanism and a diaphragm capsule, the automatic control is realized mainly by means of power provided by the spring, timing of the clock mechanism of a gear train and deformation and displacement of the diaphragm capsule, and most of automatic umbrella opener comprehensive test beds are designed aiming at the umbrella opening times of the automatic umbrella opener.

Wherein the application number is "CN202110916918.0" the "automatic parachute opening device comprehensive experiment platform" that discloses also is mature technique day by day, and it "includes the backup pad, the upper portion movable mounting of backup pad has the initiative subassembly, the activity subassembly includes the dwang, the lantern ring, the rotating ring, the fixed orifices, the poker rod, passive pole, the action bars, the rotating rod is installed in the rotation of the one end middle part of activity subassembly, the lantern ring has been cup jointed at the middle part of dwang, the one end fixed mounting of dwang has the rotating ring. This kind of automatic parachute opening device comprehensive experiment platform, drive the dwang through initiative subassembly and rotate, cup joint because of dwang and lantern ring, so can not drive the lantern ring and rotate, the dwang can drive the swivel becket and rotate, when the swivel becket rotates, can drive the poker rod and move about, the poker rod can be stirred when moving about and drive the pole and move about, the drive pole can drive the lantern ring and rotate, when the drive pole rotates, can drive and survey test panel rebound, then drive through compression spring and survey test panel downstream, the purpose of pressure test has finally been reached, but the device still has following defect when in-service use.

1) When the automatic umbrella opener is used in practice, the rotating rod needs to be rotated manually to enable the test board to ascend and vacate a space, then the automatic umbrella opener is moved to the position below the test board, and a worker needs to place the automatic umbrella opener while stabilizing the rotating rod, so that the automatic umbrella opener is very inconvenient;

2) The pressure test can be carried out on the umbrella opening part of only one automatic umbrella opener at a time, which wastes time and labor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a parachuting is automatic parachute opening ware combined test platform for package to current staff who proposes in solving above-mentioned background art need stabilize the dwang and place the problem of automatic parachute opening ware on one side.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a parachute jumping package is with automatic parachute opening ware combined test platform, includes the backup pad, two mounting holes, two have been seted up on the surface of backup pad the inner wall of mounting hole all rotates through the bearing and is connected with the connecting rod, two the one end of connecting rod is the fixed band pulley that is equipped with, one of them the band pulley passes through the belt and is connected with another band pulley transmission, one of them the fixed surface of connecting rod is equipped with first gear, the front of backup pad is equipped with two drive assembly and two adjusting part respectively, the back of backup pad is equipped with lifting unit, the fixed gear motor that is equipped with in back of backup pad, gear motor's the fixed second gear that is connected with first gear engagement that is equipped with of transmission shaft.

Preferably, two the drive assembly all includes four bracing pieces, eight the bracing piece is all fixed to be set up in the front of backup pad, eight the surface of bracing piece is all fixed and is equipped with the arc slider, and is per four corresponding the equal sliding connection in surface of bracing piece has the transmission ring, two the inner wall of transmission ring is all seted up with the gliding annular spout of arc slider looks.

Preferably, two the one end of transmission ring is the fixed transfer line that is equipped with all, two the one end of transfer line all rotates through the pivot and is connected with first connection pad, two the surface of first connection pad is the fixed first transmission board that is equipped with all, two the bottom of first transmission board is the fixed second connection pad that is equipped with all, two the one end of second connection pad all rotates through the bearing and is connected with the third connection pad, two the surface of third connection pad is the fixed second driving plate that is equipped with all, two the bottom of second driving plate is the fixed survey test panel that is equipped with all.

Preferably, two the other end of connecting rod all fixedly is equipped with the driving plate, two the surface of driving plate all fixedly is equipped with two push pedals, per two is corresponding contained angle between the push pedal is 180.

Preferably, two adjusting part all includes the fixed plate, two the fixed plate is all fixed to be set up in the front of backup pad, two the front of fixed plate is all fixed and is equipped with the positioning disk, first logical groove and two first through-holes have been seted up on the surface of positioning disk, two the inner wall that first logical groove is respectively with the sliding surface connection of two second driving plates, four the equal sliding connection of inner wall of first through-hole has the guide bar, wherein two the top fixed connection of survey test panel, two among them the one end of guide bar all with one of them the top fixed connection of survey test panel, two in addition the one end of guide bar all with another the top fixed connection of survey test panel, two telescopic cylinder, two are all fixed being equipped with to telescopic cylinder's flexible end, two the second logical groove and two second through-holes have all been seted up on the surface of pressure panel, two the inner wall that the second leads to the groove respectively with the sliding surface connection of two second driving plates, four the inner wall of second through-hole respectively with the sliding surface connection of four guide bars, two the bottom of pressure panel all is fixed and is equipped with two springs, wherein the top fixed connection of another one end of survey test panel is established respectively with another four outside spring and four guide bar.

Preferably, lifting unit includes the lifting piece, the fixed back that sets up in the backup pad of lifting piece, the sliding surface of lifting piece is connected with the carriage, rotate through the bearing between the inner wall on carriage top and the inner wall of bottom and be connected with connecting screw rod, connecting screw rod's surface passes through the inner wall threaded connection of screw-nut and lifting piece, the fixed driving motor that is equipped with in top of carriage, driving motor is just reversing motor, driving motor's transmission shaft and connecting screw rod's one end fixed connection.

Preferably, the bottom mounting of carriage is equipped with the workstation, the top of workstation and the bottom sliding connection of backup pad, the top of workstation is fixed auxiliary block, two first baffles and two second baffles of being equipped with respectively, the fixed flush mounting plate that is equipped with in front of auxiliary block, four corners of workstation bottom are all fixed and are equipped with the supporting leg, four the one end of supporting leg is all fixed and is equipped with the slipmat.

Preferably, gear motor switch, driving motor switch and telescopic cylinder switch are equipped with respectively on flush mounting plate of switch's surface, gear motor, driving motor and two telescopic cylinder are respectively through gear motor switch, driving motor switch and telescopic cylinder switch and external power supply electric connection.

Compared with the prior art, the utility model provides a pair of parachute jump package is with automatic parachute opening ware combined test platform has following beneficial effect:

1. through the cooperation of the speed reducing motor, the two belt pulleys, the belt, the first gear and the second gear, the two connecting rods can be driven to rotate, the heights of the two test boards can be conveniently adjusted, workers can place the automatic parachute opening devices without stabilizing the connecting rods, the automatic parachute opening devices are more convenient to use, meanwhile, the two automatic parachute opening devices can be subjected to pressure test at one time, the test efficiency is improved, the speed reducing motor drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the connecting rod fixedly connected with the first gear to rotate, the connecting rod drives the other connecting rod to rotate through the belt and the two belt pulleys, so that the two transmission discs are driven to rotate, the two corresponding push plates are respectively driven by the two transmission discs, and finally the two test boards are driven to move;

2. the lifting assembly is arranged, so that the relative distance between the test board and the workbench can be conveniently adjusted, the automatic parachute opening devices with different thicknesses can be conveniently subjected to pressure test, the practicability is enhanced, the driving motor drives the connecting lead screw to rotate, the connecting lead screw drives the lifting block to move, the lifting block drives the supporting plate to move, the supporting plate is provided with two connecting rods and two transmission assemblies to move, and finally the test board is driven to move;

3. the pressure of the spring can be adjusted through the arranged adjusting assembly, various pressure tests can be conveniently carried out on the automatic parachute opening device, the automatic parachute opening device is more flexible, the test board is ensured to be in a static state, the telescopic cylinder is started through the telescopic cylinder switch, the telescopic end of the telescopic cylinder extends, the telescopic cylinder pushes the pressure plate to move downwards, the pressure plate moves downwards along the surface of the guide rod, the pressure plate further compresses the spring, and the pressure provided by the spring for the test board during rebound is changed by changing the compression degree of the spring;

4. can restrict the transmission ring on the surface of bracing piece through the cooperation of annular spout and arc slider for the transmission ring can rotate along the surface that is four bracing pieces, can not slide towards the direction of keeping away from or being close the backup pad simultaneously, avoids cup jointing the transmission ring at the middle part of connecting rod, alleviates the load of connecting rod, has strengthened the stability of transmission ring simultaneously.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the back structure of the present invention;

fig. 4 is an enlarged schematic view of the structure of fig. 3B according to the present invention;

fig. 5 is a schematic structural view of the transmission assembly of the present invention;

fig. 6 is a schematic sectional view of the transmission assembly of the present invention.

In the figure: 1. a support plate; 2. mounting holes; 3. a connecting rod; 4. a pulley; 5. a transmission assembly; 501. a support bar; 502. an arc-shaped sliding block; 503. a drive ring; 504. an annular chute; 6. an adjustment assembly; 601. a fixing plate; 602. a guide plate; 603. a first through groove; 604. a first through hole; 605. a guide bar; 606. a telescopic cylinder; 607. a platen; 608. a second through groove; 609. a second through hole; 610. a spring; 7. a lifting assembly; 701. lifting the block; 702. a support frame; 703. connecting a screw rod; 704. a drive motor; 8. a reduction motor; 9. a first gear; 10. a second gear; 11. a transmission rod; 12. a work table; 13. a first splice tray; 14. a second connecting disc; 15. a third connecting disc; 16. a first drive plate; 17. a second drive plate; 18. a test board; 19. a first baffle plate; 20. a second baffle; 21. an auxiliary block; 22. a switch panel; 23. supporting legs; 24. a non-slip mat; 25. a drive plate; 26. and (3) pushing a plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-6, the utility model provides an automatic parachute opening device comprehensive test bed for parachuting bag, including a supporting plate 1, two mounting holes 2 are opened on the surface of the supporting plate 1, the inner walls of the two mounting holes 2 are all rotatably connected with connecting rods 3 through bearings, one end of each of the two connecting rods 3 is fixedly provided with a belt pulley 4, one belt pulley 4 is in transmission connection with the other belt pulley 4 through a belt, the surface of one connecting rod 3 is fixedly provided with a first gear 9, the front surface of the supporting plate 1 is respectively provided with two transmission assemblies 5 and two adjusting assemblies 6, the back surface of the supporting plate 1 is provided with a lifting assembly 7, the back surface of the supporting plate 1 is fixedly provided with a reduction motor 8, and the transmission shaft of the reduction motor 8 is fixedly provided with a second gear 10 engaged and connected with the first gear 9;

the other ends of the two connecting rods 3 are fixedly provided with driving discs 25, the surfaces of the two driving discs 25 are fixedly provided with two push plates 26, and the included angle between each two corresponding push plates 26 is 180 degrees;

a speed reducing motor switch is arranged on the surface of the switch panel 22, and the speed reducing motor 8 is electrically connected with an external power supply through the speed reducing motor switch;

referring to fig. 1-6, the utility model provides an automatic parachute opening device comprehensive test bed for parachute jumping bags, which further comprises two transmission assemblies 5, wherein each of the two transmission assemblies 5 comprises four support rods 501, each of the eight support rods 501 is fixedly arranged on the front surface of the support plate 1, each of the surfaces of the eight support rods 501 is fixedly provided with an arc-shaped slider 502, each four corresponding support rods 501 is slidably connected with a transmission ring 503, and the inner walls of the two transmission rings 503 are respectively provided with an annular chute 504 which slides with the arc-shaped slider 502;

one end of each of the two transmission rings 503 is fixedly provided with a transmission rod 11, one end of each of the two transmission rods 11 is rotatably connected with a first connecting disc 13 through a rotating shaft, the surfaces of the two first connecting discs 13 are fixedly provided with first transmission plates 16, the bottom ends of the two first transmission plates 16 are fixedly provided with second connecting discs 14, one end of each of the two second connecting discs 14 is rotatably connected with a third connecting disc 15 through a bearing, the surfaces of the two third connecting discs 15 are fixedly provided with second transmission plates 17, and the bottom ends of the two second transmission plates 17 are fixedly provided with test plates 18;

specifically, as shown in fig. 1, 5, and 6, when the driving ring 503 rotates, the arc-shaped sliding block 502 slides along the inner wall of the annular sliding groove 504, the inner wall of the driving ring 503 slides along the surface of the supporting rod 501, the driving ring 503 can be limited on the surface of the supporting rod 501 by the cooperation of the annular sliding groove 504 and the arc-shaped sliding block 502, so that the driving ring 503 can rotate along the surface of the four supporting rods 501, and can not slide in the direction away from or close to the supporting plate 1, thereby avoiding the sleeving of the driving ring 503 on the middle portion of the connecting rod 3, reducing the load of the connecting rod 3, and enhancing the stability of the driving ring 503.

Example 2:

the two adjusting assemblies 6 respectively comprise fixing plates 601, the two fixing plates 601 are fixedly arranged on the front surfaces of the supporting plate 1, guide discs 602 are fixedly arranged on the front surfaces of the two fixing plates 601, a first through groove 603 and two first through holes 604 are formed in the surfaces of the guide discs 602, the inner walls of the two first through grooves 603 are respectively in sliding connection with the surfaces of the two second driving plates 17, guide rods 605 are respectively in sliding connection with the inner walls of the four first through holes 604, one end of each of the two guide rods 605 is fixedly connected with the top end of one of the two test plates 18, one end of each of the other two guide rods 605 is fixedly connected with the top end of the other test plate 18, telescopic cylinders 606 are respectively fixedly arranged at one end of each of the two telescopic cylinders 606, pressure plates 607 are respectively fixedly arranged at telescopic ends of the two telescopic cylinders 607, second through grooves 608 and two second through holes 609 are respectively formed in the surfaces of the two pressure plates 607, the inner walls of the two second through grooves 608 are respectively in sliding connection with the surfaces of the two second driving plates 17, the inner walls of the four second through holes 609 are respectively in sliding connection with the surfaces of the four guide rods 605, two springs 610 are respectively fixedly arranged at the bottom ends of the two fixed plates, one end of each of the two springs 610 is connected with the other fixed plates 18, and the other one end of the other fixed spring 610 is connected with the other fixed rod 610 of the other one of the other guide rod 610, and the other one of the other guide rod 610;

the surface of the switch panel 22 is provided with telescopic cylinder switches, and the two telescopic cylinders 606 are both electrically connected with an external power supply through the telescopic cylinder switches;

specifically, as shown in fig. 1, 2, and 3, when the pressure of the spring 610 on the test board 18 needs to be changed, the test board 18 is ensured to be in a static state, the telescopic cylinder 606 is started through the telescopic cylinder switch, the telescopic end of the telescopic cylinder 606 extends, the telescopic cylinder 606 pushes the pressure plate 607 to move downward, the pressure plate 607 moves downward along the surface of the guide rod 605, the pressure plate 607 further compresses the spring 610, the compression degree of the spring 610 is changed, the pressure provided to the test board 18 by the spring 610 during rebound is changed, when the transmission rod 11 reaches a vertex along with the rotation of the transmission ring 503, the spring 610 extends, the spring 610 pushes the test board 18 to move downward, the test board 18 moves downward to perform a pressure test on the automatic parachute opening device, and the pressure of the spring 610 can be adjusted through the adjustment assembly 6, so that various pressure tests can be performed on the automatic parachute opening device conveniently, and the automatic parachute opening device is more flexible.

Example 3:

the lifting assembly 7 comprises a lifting block 701, the lifting block 701 is fixedly arranged on the back of the support plate 1, the surface of the lifting block 701 is connected with a support frame 702 in a sliding manner, a connecting screw rod 703 is rotatably connected between the inner wall of the top end and the inner wall of the bottom end of the support frame 702 through a bearing, the surface of the connecting screw rod 703 is in threaded connection with the inner wall of the lifting block 701 through a screw rod nut, a driving motor 704 is fixedly arranged at the top end of the support frame 702, the driving motor 704 is a forward and reverse rotation motor, and a transmission shaft of the driving motor 704 is fixedly connected with one end of the connecting screw rod 703;

a workbench 12 is fixedly arranged at the bottom end of the supporting frame 702, the top end of the workbench 12 is connected with the bottom end of the supporting plate 1 in a sliding manner, an auxiliary block 21, two first baffle plates 19 and two second baffle plates 20 are respectively fixedly arranged at the top end of the workbench 12, a switch panel 22 is fixedly arranged on the front face of the auxiliary block 21, supporting legs 23 are fixedly arranged at four corners of the bottom end of the workbench 12, and anti-skid pads 24 are fixedly arranged at one ends of the four supporting legs 23;

a driving motor switch is arranged on the surface of the switch panel 22, and the driving motor 704 is electrically connected with an external power supply through the driving motor switch;

specifically, as shown in fig. 3, when the relative distance between test panel 18 and workstation 12 is surveyed in needs because of the size adjustment of automatic parachute opening device, start driving motor 704 through the driving motor switch, driving motor 704 drives connecting screw 703 and rotates, connecting screw 703 drives lifting block 701 and removes, lifting block 701 drives backup pad 1 and removes, finally drive and survey test panel 18 and remove, lifting unit 7 through setting up, the relative distance between test panel 18 and workstation 12 is surveyed in the convenient adjustment, conveniently carry out pressure test to the automatic parachute opening device of different thickness, the practicality has been strengthened.

The working principle is as follows: when the comprehensive test bed is used, when two automatic parachute opening devices need to be subjected to pressure test, the speed reducing motor 8 is started through the speed reducing motor switch, the speed reducing motor 8 drives the second gear 10 to rotate, the second gear 10 drives the first gear 9 to rotate, the first gear 9 drives the connecting rod 3 fixedly connected with the first gear to rotate, the connecting rod 3 drives the other connecting rod 3 to rotate through the belt and the two belt wheels 4, so as to drive the two transmission discs 25 to rotate, the two transmission discs 25 respectively drive the two corresponding push plates 26, wherein the two push plates 26 respectively stir the two transmission rods 11, the two first connection discs 13 are respectively driven to rotate through the two transmission rods 11, the two first connection discs 13 respectively drive the two first transmission plates 16 to move through the rotating shaft, and the two first transmission plates 16 respectively drive the two second connection discs 14 to move, the two second connecting discs 14 respectively drive the two third connecting discs 15 to move upwards through a rotating shaft, the two third connecting discs 15 respectively drive the two second transmission plates 17 to move upwards, the two second transmission plates 17 respectively drive the two test plates 18 to move upwards, the two test plates 18 respectively compress the two corresponding springs 610, when the transmission rod 11 does not reach the vertex, the speed reducing motor 8 is closed, the two automatic parachute openers are respectively placed at the bottom ends of the two test plates 18, the speed reducing motor 8 is started through a speed reducing motor switch, the transmission rod 11 is continuously shifted by the push plate 26, when the transmission rod 11 is shifted to the vertex by the push plate 26, the springs 610 extend, the springs 610 push the test plates 18 to move downwards, the test plates 18 carry out pressure test on the automatic parachute openers, and through the matching of the speed reducing motor 8, the two belt wheels 4, the belt, the first gear 9 and the second gear 10, can drive two connecting rods 3 and rotate, conveniently adjust two height of surveying test panel 18, the staff need not stabilize connecting rod 3 on one side and place automatic parachute-opening device, and is more convenient, can once only carry out pressure test to two automatic parachute-opening devices simultaneously, promotes efficiency of software testing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a jump parachute package is with automatic parachute opening ware combined test platform, includes backup pad (1), its characterized in that, two mounting hole (2), two have been seted up on the surface of backup pad (1) the inner wall of mounting hole (2) all is connected with connecting rod (3), two through bearing rotation the one end of connecting rod (3) is all fixed and is equipped with band pulley (4), one of them band pulley (4) are connected with another band pulley (4) transmission through the belt, one of them the fixed surface of connecting rod (3) is equipped with first gear (9), the front of backup pad (1) is equipped with two drive assembly (5) and two adjusting part (6) respectively, the back of backup pad (1) is equipped with lifting unit (7), the fixed gear motor (8) that is equipped with in the back of backup pad (1), the fixed second gear (10) that are connected with first gear (9) meshing that are equipped with of transmission shaft of gear motor (8).

2. The comprehensive test bed of the automatic parachute opening device for the parachute jumping package of claim 1, wherein: two drive assembly (5) all include four bracing pieces (501), eight bracing piece (501) are all fixed to be set up in the front of backup pad (1), eight the surface of bracing piece (501) is all fixed and is equipped with arc slider (502), and every four are corresponding the equal sliding connection in surface of bracing piece (501) has drive ring (503), two annular spout (504) gliding mutually with arc slider (502) are all seted up to the inner wall of drive ring (503).

3. The comprehensive test bed of the automatic parachute opening device for the parachute jumping package of claim 2, wherein: two the one end of transmission ring (503) is all fixed and is equipped with transfer line (11), two the one end of transfer line (11) all rotates through the pivot and is connected with first connection pad (13), two the surface of first connection pad (13) is all fixed and is equipped with first transmission board (16), two the bottom of first transmission board (16) is all fixed and is equipped with second connection pad (14), two the one end of second connection pad (14) all rotates through the bearing and is connected with third connection pad (15), two the surface of third connection pad (15) is all fixed and is equipped with second driving plate (17), two the bottom of second driving plate (17) is all fixed and is equipped with and survey test panel (18).

4. The comprehensive test bed of the automatic parachute opening device for the parachute jumping package of claim 1, wherein: two the other end of connecting rod (3) all is fixed and is equipped with driving plate (25), two the surface of driving plate (25) all is fixed and is equipped with two push pedal (26), every two are corresponding contained angle between push pedal (26) is 180.

5. The comprehensive test bed of the automatic parachute opening device for the parachute jumping package of claim 3, wherein: the two adjusting assemblies (6) respectively comprise a fixing plate (601), the two fixing plates (601) are respectively fixedly arranged on the front surfaces of the supporting plates (1), guide discs (602) are respectively fixedly arranged on the front surfaces of the two fixing plates (601), a first through groove (603) and two first through holes (604) are formed in the surfaces of the guide discs (602), the inner walls of the two first through grooves (603) are respectively connected with the surfaces of the two second transmission plates (17) in a sliding manner, guide rods (605) are respectively connected with the inner walls of the four first through holes (604) in a sliding manner, one end of each of the two guide rods (605) is fixedly connected with the top end of one of the test plates (18), one end of each of the other two guide rods (605) is fixedly connected with the top end of the other test plate (18), telescopic cylinders (606) are respectively fixedly arranged at one end of each of the two guide discs (602), pressure plates (607) are respectively fixedly arranged at telescopic ends of the two telescopic cylinders (606), a second through groove (609) and two springs (610) are respectively connected with the inner walls of the two sliding through grooves (607), one end of each of the two springs (610) is fixedly connected with the top end of one of the test boards (18), one end of each of the other two springs (610) is fixedly connected with the top end of the other test board (18), and the four springs (610) are sleeved outside the four guide rods (605) respectively.

6. The comprehensive test bed of the automatic parachute opening device for the parachute jumping package of claim 5, wherein: lifting unit (7) include lifting piece (701), the fixed back that sets up in backup pad (1) of lifting piece (701), the surperficial sliding connection of lifting piece (701) has carriage (702), be connected with connecting screw rod (703) through the bearing rotation between the inner wall on carriage (702) top and the inner wall of bottom, the inner wall threaded connection of lead screw nut and lifting piece (701) is passed through on the surface of connecting screw rod (703), the fixed driving motor (704) that is equipped with in top of carriage (702), driving motor (704) are just reversing motor, the transmission shaft of driving motor (704) and the one end fixed connection of connecting screw rod (703).

7. The comprehensive test bed of the automatic parachute opening device for the parachute jumping package of claim 6, wherein: the bottom mounting of carriage (702) is equipped with workstation (12), the top of workstation (12) and the bottom sliding connection of backup pad (1), the top of workstation (12) is fixed respectively and is equipped with auxiliary block (21), two first baffles (19) and two second baffles (20), the fixed flush mounting plate (22) that is equipped with of front of auxiliary block (21), four corners of workstation (12) bottom are all fixed and are equipped with supporting leg (23), four the one end of supporting leg (23) is all fixed and is equipped with slipmat (24).

8. The comprehensive test bed of the automatic parachute opening device for the parachute jumping package of claim 7, wherein: the surface of switch panel (22) is equipped with gear motor switch, driving motor switch and telescopic cylinder switch respectively, gear motor (8), driving motor (704) and two telescopic cylinder (606) are respectively through gear motor switch, driving motor switch and telescopic cylinder switch and external power supply electric connection.

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