CN115839833A

CN115839833A - Programmable torque and endurance test equipment

Info

Publication number: CN115839833A
Application number: CN202211286015.XA
Authority: CN
Inventors: 杨柳; 徐美志; 张鑫华
Original assignee: Anhui Zhongteng Auto Parts Co ltd
Current assignee: Anhui Zhongteng Auto Parts Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-24
Anticipated expiration: 2042-10-20
Also published as: CN115839833B

Abstract

The invention discloses programmable torque and endurance testing equipment which comprises a supporting platform, wherein a slide rail is fixedly arranged at one end of the top of the supporting platform, a supporting seat is connected onto the slide rail in a sliding manner, a supporting bracket is arranged on the left side of the slide rail, mounting frames are fixedly arranged on the supporting bracket and the supporting seat, an adjusting component for performing torque testing is arranged on the mounting frame, a protective frame is arranged on the adjusting component, a clamping component for fixing the moving end of a torsion spring or a torsion bar is arranged at one end of the adjusting component, and a pushing component for taking out the torsion spring or the torsion bar is arranged between the supporting bracket and the supporting seat; the invention relates to the technical field of test equipment. The programmable torque and durability test equipment controls the torsion angle, the operation speed and the like of the equipment through the PLC, and solves the problem that the torque cannot be displayed in real time only in torque detection or service life detection of a torsion spring and a torsion bar in the prior art.

Description

Programmable torque and endurance test equipment

Technical Field

The invention relates to the technical field of test equipment, in particular to programmable torque and endurance test equipment.

Background

The torsion spring and the torsion bar are mechanical parts which generate force by utilizing self deformation, the parts made of elastic materials deform under the action of external force and recover to the original shape after the external force is removed, in the actual production, the quality of the spring needs to be detected, and the maximum elastic deformation and the acting angle of the spring need to be detected before the spring is put into use.

For the endurance life detection, a fatigue testing machine is generally adopted for detection nowadays, the fatigue life of the torsion spring and the torsion bar can only be detected, the detection mode has single effect and incomplete detection result, and the real-time change of the torsion spring and the torsion bar in the test process cannot be detected; therefore, it is practical to design a device capable of detecting the fatigue life of the spring and reflecting the synchronous change of the torque along with the test times or the test time in the process.

Disclosure of Invention

In view of the deficiencies of the prior art, the present invention provides a programmable torque, endurance testing apparatus that solves the problems noted in the background.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a but form moment of torsion, endurance test equipment, includes supporting platform and installs the PLC controller in the supporting platform upper end, supporting platform's top one end fixed mounting has the slide rail, sliding connection has the supporting seat on the slide rail, the slide rail left side is equipped with the support holder, equal fixed mounting has the mounting bracket on support holder and the supporting seat, be equipped with the adjusting part who is used for carrying out the moment of torsion test on the mounting bracket, the last guard frame that is equipped with of adjusting part, adjusting part's one end is equipped with the centre gripping subassembly that is used for fixed torsional spring or torsion bar removal end, be equipped with the promotion subassembly that is used for taking out torsional spring or torsion bar between support holder and the supporting seat.

Preferably, the regulating assembly includes rotates the dwang of being connected with mounting bracket right side end, the outer wall fixedly connected with horizontal pole of dwang, the right side middle part of horizontal pole is rotated and is connected with the axis of rotation, the other end fixedly connected with fixed disk of axis of rotation, the centre gripping subassembly sets up the right-hand member at the fixed disk, the outer wall fixedly connected with gear wheel of axis of rotation, the right side upper end fixed mounting of horizontal pole has an exchange servo motor, exchange servo motor's output fixedly connected with pinion, pinion and gear wheel intermeshing, protection frame fixed mounting is at the right-hand member of horizontal pole, and the gear wheel, exchange servo motor, pinion all are located inside the protection frame, the top of horizontal pole is equipped with and is used for driving dwang pivoted angle actuating mechanism.

Preferably, the right end of the rotating shaft is fixedly connected with a high-precision torque sensor through a coupler, and the high-precision torque sensor is fixedly connected with the fixed disc through a coaxial stabilizer.

Preferably, angle actuating mechanism is including installing the mount at the top of mounting bracket, the medial extremity of mount rotates and is connected with the threaded rod, the first rocking handle of front end fixedly connected with of threaded rod, the outer wall threaded connection of threaded rod has the axle sleeve, the outer wall of axle sleeve rotates and is connected with the link, the other end of link and the top fixed connection of dwang.

Preferably, the clamping assembly comprises two fixed plates fixedly connected with the inner side ends of the fixed plates, the inner side ends of the two fixed plates are fixedly connected with first sliding rods, the outer wall of each first sliding rod is slidably connected with a moving plate, the top of each moving plate is rotatably connected with an adjusting screw, the top of each adjusting screw penetrates through the corresponding fixed plate and is in threaded connection with the corresponding fixed plate, one of the fixed plates and the opposite ends of the moving plates are respectively provided with a half mounting block, and the opposite ends of the half mounting blocks are respectively provided with a half clamping block.

Preferably, the middle part of the half mounting block is provided with a rectangular groove and a circular groove which are communicated with each other, two ends of the outer wall of the half mounting block are fixedly connected with first threaded columns, and the first threaded columns are connected to the moving plate in a plugging mode and are fixedly connected through locking nuts.

Preferably, the outer wall fixedly connected with rectangular block of half fixture block, rectangular block and the mutual adaptation of rectangular channel, the outer wall fixedly connected with second screw thread post of rectangular block, and second screw thread post plug to carry out fixed connection in the circular slot and through second lock nut.

Preferably, promote the subassembly including installing at slide rail one end baffle, the medial extremity fixedly connected with backup pad of baffle, the other end and the support holder fixed connection of backup pad, the surface of baffle rotates and is connected with the lead screw, and lead screw outside end fixedly connected with second rocking handle, lead screw outer wall threaded connection has the thread block, and thread block and supporting seat bottom fixed connection, the recess has been seted up at the baffle top, and the rotation of inner wall of the groove is connected with the second slide bar, second slide bar outer wall lateral sliding connection has the slider, slider outer wall fixedly connected with push pedal, the slider both sides are equipped with the spring, and the spring housing establishes on the second slide bar, the second slide bar and the equal fixedly connected with gear of lead screw outside one end, and two gear intermeshing.

Advantageous effects

The invention provides programmable torque and endurance testing equipment. Compared with the prior art, the method has the following beneficial effects:

(1) This can form moment of torsion, durable test equipment, half fixture block is pegged graft to the rectangular channel through the rectangular block, second screw thread post is located the circular slot and carries out threaded connection through second lock nut and fixes, thereby install half fixture block at the inner wall of half installation piece, then with first screw thread post plug-in connection to the movable plate, and carry out threaded connection through lock nut, thereby on installing the movable plate with half installation piece, half fixture block and half installation piece through threaded connection, it becomes more convenient to dismantle, be convenient for change the half fixture block and half installation piece of different specifications can, and is simple and convenient.

(2) The programmable torque and endurance testing equipment drives the high-precision torque sensor to rotate by starting the alternating current servo motor and driving the high-precision torque sensor to rotate by the pinion, the gearwheel, the rotating shaft and the control coupler, so that the rotating fixed disc rotates, the torsion spring or the torsion bar is twisted by a certain angle, the torsion spring or the torsion bar generates torsion force when being deformed, whether the torsion of the torsion spring or the torsion bar is in a required specification range is detected, if the torsion is in the range, the torsion is qualified, and if the torsion is not qualified; when the torsion spring or the torsion bar is subjected to a service life test, whether the torque change of the torsion spring or the torsion bar before and after the test is in a required range can be observed, if so, the torsion spring or the torsion bar is qualified, otherwise, the torsion spring or the torsion bar is unqualified.

(3) But this form moment of torsion, endurance test equipment drive the threaded rod through first rocking handle and rotate, and the threaded rod rotation can drive the axle sleeve back-and-forth movement, and the axle sleeve passes through the link and drives the dwang and rotate to drive the horizontal pole and rotate, and then can adjust the fixed angle of centre gripping subassembly to torsional spring or torsion bar, thereby can carry out the test of the different angles of torsional spring or torsion bar, detected data is more comprehensive, has more persuasion.

(4) The programmable torque and endurance testing equipment controls the torsion angle, the operating speed and the like of the equipment through the PLC, has more detection data and is more persuasive; the device can detect the maximum elastic deformation and the torque of various torsional springs and torsion bars, can also perform endurance tests on various torsional springs and torsion bars, has comprehensive detection function and more obvious detection effect; each structure is mutually supported, and the practicality is strong, can the wide application in the moment of torsion detection and the life-span test of torsional spring, torsion bar class product, has solved among the prior art and has only carried out moment of torsion detection or life-span detection to torsional spring, torsion bar, can't show the problem of moment of torsion in real time.

Drawings

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

FIG. 2 is a schematic view of the adjusting assembly of the present invention;

FIG. 3 is a schematic view of a clamping assembly according to the present invention;

FIG. 4 is a schematic structural view of a slide rail and a support base according to the present invention;

FIG. 5 is a schematic view of a pushing assembly according to the present invention.

In the figure: 1. a support platform; 2. a slide rail; 3. a support bracket; 4. a mounting frame; 5. a protective frame; 6. an adjustment assembly; 7. a clamping assembly; 8. a supporting seat; 9. a pushing assembly; 101. a PLC controller; 601. rotating the rod; 602. a cross bar; 603. a rotating shaft; 604. fixing the disc; 605. a bull gear; 606. an AC servo motor; 607. a pinion gear; 608. an angle drive mechanism; 6081. a fixed mount; 6082. a threaded rod; 6083. a first rocking handle; 6084. a connecting frame; 6085. a shaft sleeve; 701. a fixing plate; 702. a first slide bar; 703. moving the plate; 704. adjusting the screw rod; 705. a semi-mounting block; 7051. a rectangular groove; 7052. a circular groove; 7053. a first threaded post; 7054. locking the nut; 7055. a second lock nut; 706. a half-clamping block; 7061. a rectangular block; 7062. a second threaded post; 901. a baffle plate; 902. a support plate; 903. a screw rod; 904. a second rocking handle; 905. a second slide bar; 906. a slider; 907. pushing the plate; 908. a spring; 909. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a but programme moment of torsion, endurance test equipment, including supporting platform 1 with install the PLC controller 101 in supporting platform 1 upper end, the top one end fixed mounting of supporting platform 1 has slide rail 2, sliding connection has supporting seat 8 on slide rail 2, slide rail 2 left side is equipped with supporting bracket 3, equal fixed mounting has mounting bracket 4 on supporting bracket 3 and the supporting seat 8, be equipped with the adjusting part 6 that is used for carrying out the moment of torsion test on the mounting bracket 4, be equipped with protection frame 5 on the adjusting part 6, the one end of adjusting part 6 is equipped with the centre gripping subassembly 7 that is used for fixed torsional spring or torsion bar removal end, be equipped with the promotion subassembly 9 that is used for taking out torsional spring or torsion bar between supporting bracket 3 and the supporting seat 8, in this embodiment, can control torsion angle, running angle, the running speed etc. of alternating current servo motor 606 through PLC controller 101, and place the torsional spring or torsion bar that will await measuring between two fixed disks 604, then remove supporting seat 8, make the removal end and the stiff end of torsional spring or torsion bar fix respectively on the centre gripping subassembly 7 on both sides.

As shown in fig. 2, the adjusting assembly 6 includes a rotating rod 601 rotatably connected to the right side end of the mounting frame 4, a cross rod 602 is fixedly connected to the outer wall of the rotating rod 601, a rotating shaft 603 is rotatably connected to the middle portion of the right side of the cross rod 602, a fixed disk 604 is fixedly connected to the other end of the rotating shaft 603, the clamping assembly 7 is disposed at the right end of the fixed disk 604, a large gear 605 is fixedly connected to the outer wall of the rotating shaft 603, an ac servo motor 606 is fixedly mounted at the upper right end of the cross rod 602, a small gear 607 is fixedly connected to the output end of the ac servo motor 606, the small gear 607 is engaged with the large gear 605, the protection frame 5 is fixedly mounted at the right end of the cross rod 602, the large gear 605, the ac servo motor 606 and the small gear 607 are all located inside the protection frame 5, an angle driving mechanism 608 is disposed at the top of the cross rod 602 for driving the rotating rod 601 to rotate.

As shown in fig. 2, a high-precision torque sensor is fixedly connected to the right end of the rotating shaft 603 through a coupling, and the high-precision torque sensor is fixedly connected to the fixed disk 604 through a coaxial stabilizer, in this embodiment, the ac servo motor 2 is started, and the coupling is controlled to drive the high-precision torque sensor to rotate through the pinion 607, the gearwheel 605 and the rotating shaft 603, so as to rotate the rotating fixed disk 604, at this time, the torsion spring or the torsion bar is twisted by a certain angle, the torsion spring or the torsion bar generates torsion force when being deformed, at this time, whether the torsion force of the torsion spring or the torsion bar is within a required specification range is detected, and if so, the torsion spring or the torsion bar is qualified, otherwise, the torsion spring or the torsion bar is not qualified; when the torsion spring or the torsion bar is subjected to a service life test, whether the torque change of the torsion spring or the torsion bar before and after the test is in a required range can be observed, if so, the torsion spring or the torsion bar is qualified, otherwise, the torsion spring or the torsion bar is unqualified.

As shown in fig. 2, the angle driving mechanism 608 includes a fixed frame 6081 installed at the top of the mounting frame 4, the inner side end of the fixed frame 6081 is rotated and connected with a threaded rod 6082, the front end of the threaded rod 6082 is fixedly connected with a first rocking handle 6083, the outer wall of the threaded rod 6082 is connected with a shaft sleeve 6085, the outer wall of the shaft sleeve 6085 is rotated and connected with a connecting frame 6084, the other end of the connecting frame 6084 is fixedly connected with the top of the rotating rod 601, in this embodiment, the threaded rod 6082 is driven to rotate through the first rocking handle 6083, the rotation of the threaded rod 6082 can drive the shaft sleeve 6085 to move back and forth, the shaft sleeve 6085 drives the rotating rod 601 to rotate through the connecting frame 6084, thereby driving the transverse rod 602 to rotate, and further adjusting the fixed angle of the clamping component 7 to the torsion spring or the torsion bar, thereby being capable of testing torsion spring or different angles, the detection data are more comprehensive, and more persuasive.

As shown in fig. 3, the clamping assembly 7 includes two fixed plates 701 fixedly connected to the inner side end of the fixed plate 604, the inner side ends of the two fixed plates 701 are fixedly connected to a first sliding rod 702, the outer wall of the first sliding rod 702 is slidably connected to a moving plate 703, the top of the moving plate 703 is rotatably connected to an adjusting screw 704, the top of the adjusting screw 704 penetrates through the fixed plates 701 and is in threaded connection with the fixed plates 701, opposite ends of one of the fixed plates 701 and the moving plate 703 are respectively provided with a half-mounting block 705, and opposite ends of the half-mounting block 705 are provided with a half-clamping block 706.

As shown in fig. 3, the middle of the half mounting block 705 is provided with a rectangular groove 7051 and a circular groove 7052 which are communicated with each other, two ends of the outer wall of the half mounting block 705 are fixedly connected with a first threaded column 7053, the first threaded column 7053 is inserted into the moving plate 703 and is fixedly connected with the moving plate by a locking nut 7054, the outer wall of the half clamping block 706 is fixedly connected with a rectangular block 7061, the rectangular block 7061 is matched with the rectangular groove 7051, the outer wall of the rectangular block 7061 is fixedly connected with a second threaded column 7062, the second threaded column 7062 is inserted into the circular groove 7052 and is fixedly connected with the locking nut 7055, so that the half clamping block 706 is mounted on the inner wall of the half mounting block 705, then the first threaded column 7053 is inserted into the moving plate and is connected with the locking nut 7054 by a thread, thereby the half mounting block is mounted on the moving plate 705, the moving plate is conveniently replaced by the half mounting block 703 and the half clamping block 706, and the half clamping block is more conveniently mounted on the moving plate 703 and the half clamping block 706.

As shown in fig. 5, the pushing assembly 9 includes a baffle 901 mounted at one end of the sliding rail 2, a supporting plate 902 is fixedly connected to an inner side end of the baffle 901, the other end of the supporting plate 902 is fixedly connected to the supporting bracket 3, a screw rod 903 is rotatably connected to a surface of the baffle 901, a second rocking handle 904 is fixedly connected to an outer side end of the screw rod 903, a screw block is connected to an outer wall of the screw rod 903 in a threaded manner, and is fixedly connected to a bottom of the supporting seat 8, a groove is formed in a top of the baffle 901, a second sliding rod 905 is rotatably connected to an inner wall of the groove, a slider 906 is transversely slidably connected to an outer wall of the second sliding rod 905, a push plate 907 is fixedly connected to an outer wall of the slider 906, springs 908 are disposed on two sides of the slider 906, the springs are sleeved on the second sliding rod 905, a gear 909 is fixedly connected to one end of the second sliding rod 905 and one end of the outer side of the screw rod 903, and the two gears 909 are engaged with each other, in this embodiment, the screw rod 903 is driven by the second rocking handle 904 to rotate forward, the screw rod 903 can drive the supporting seat 8 to move towards one side of the supporting bracket 3 on the sliding rail 2 and the supporting plate 902, so as to clamp and fix the torsion spring or the torsion bar, meanwhile, the screw rod 903 can drive the gear 909 to rotate, the gear 909 can drive the second slide bar 905 to rotate through another gear 909, the second slide bar 905 drives the push plate 907 to rotate and expand, so that the push plate 907 does not affect the torsion spring or the torsion bar under test, the supporting seat 8 can press the spring 908 in the moving process, the push plate 907 is ensured to be at the middle position of the torsion spring or the torsion bar through the two springs 908 with the same elastic coefficient, after the test is completed, the half mounting block 705 and the half clamping block 706 can limit the torsion spring or the torsion bar through the clamping assembly 7, and the screw rod 903 can drive the supporting seat 8 to move towards the side away from the supporting bracket 3 through reversely rotating the screw rod 903, meanwhile, the second sliding bar 905 is driven to rotate reversely by the two gears 909, so as to drive the push plate 907 to move towards one side of the torsion spring or the torsion bar, and the torsion spring or the torsion bar can be pushed to be taken out of the clamping assembly 7.

In this embodiment, the ac servo motor 606 has a self-locking function, the present invention relates to the prior art of both circuits and electronic components, and those skilled in the art can fully realize this without exception, and the protection of the present invention also does not relate to the improvement of the internal structure and method, it should be noted that the standard components used in the present invention can be purchased from the market, the special-shaped components can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts the conventional means such as bolts, rivets, welding, etc. mature in the prior art, the machinery, components and equipment all adopt the conventional types in the prior art, and the inventor does not describe in detail herein.

And those not described in detail in this specification are well within the skill of those in the art.

When the device works, a torsion spring or a torsion bar to be tested is placed between the two fixed disks 604, and then the supporting seat 8 is moved, so that the moving end and the fixed end of the torsion spring or the torsion bar are respectively fixed on the clamping components 7 at the two sides; the moving plate 703 is driven to move on the first sliding bar 702 by rotating the adjusting screw 704, so that the moving plate 703 drives the half-mounting block 705 and the half-clamping block 706 to clamp and fix one end of the torsion spring or the torsion bar; the half fixture block 706 is inserted into the rectangular groove 7051 through the rectangular block 7061, the second threaded column 7062 is located in the circular groove 7052 and is fixedly connected in a threaded manner through the second locking nut 7055, so that the half fixture block 706 is installed on the inner wall of the half installation block 705, then the first threaded column 7053 is inserted onto the moving plate 703 and is connected in a threaded manner through the locking nut 7054, so that the half installation block 705 is installed on the moving plate 703, the half fixture block 706 and the half installation block 705 are connected in a threaded manner, the half fixture block 706 and the half installation block 705 are more convenient to disassemble, the half fixture block 706 and the half installation block 705 in different specifications can be replaced conveniently, and the operation is simple and convenient; starting the alternating current servo motor 2, controlling the coupler to drive the high-precision torque sensor to rotate through the pinion 607, the gearwheel 605 and the rotating shaft 603, further enabling the rotating fixing disc 604 to rotate, twisting the torsion spring or the torsion bar by a certain angle, generating torsion when the torsion spring or the torsion bar is deformed, detecting whether the torsion of the torsion spring or the torsion bar is in a required specification range, if so, determining that the torsion is qualified, otherwise, determining that the torsion is unqualified; when the torsion spring or the torsion bar is subjected to a service life test, whether the torque change of the torsion spring or the torsion bar before and after the test is in a required range can be observed, if so, the torsion spring or the torsion bar is qualified, otherwise, the torsion spring or the torsion bar is unqualified; drive threaded rod 6082 through first rocking handle 6083 and rotate, the rotatory axle sleeve 6085 back-and-forth movement that can drive of threaded rod 6082, axle sleeve 6085 drives dwang 601 through link 6084 and rotates to drive horizontal pole 602 and rotate, and then can adjust the fixed angle of centre gripping subassembly 7 to torsional spring or torsion bar, thereby can carry out the test of the different angles of torsional spring or torsion bar, it is more comprehensive to detect data, has more persuasion, above is exactly a form moment of torsion, endurance test equipment's theory of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a torque that can programme, endurance test equipment, includes supporting platform (1) and installs PLC controller (101) in supporting platform (1) upper end which characterized in that: the utility model discloses a torque testing device, including supporting platform (1), slide rail (2) are installed to the top one end fixed mounting of supporting platform (1), sliding connection has supporting seat (8) on slide rail (2), slide rail (2) left side is equipped with support holder (3), equal fixed mounting has mounting bracket (4) on support holder (3) and supporting seat (8), be equipped with adjusting part (6) that are used for carrying out the moment of torsion test on mounting bracket (4), be equipped with protective frame (5) on adjusting part (6), the one end of adjusting part (6) is equipped with centre gripping subassembly (7) that are used for fixed torsional spring or torsion bar to remove the end, be equipped with between support holder (3) and supporting seat (8) and be used for taking out promotion subassembly (9) of torsional spring or torsion bar.

2. The programmable torque, endurance testing apparatus of claim 1, in which: adjusting part (6) include and rotate dwang (601) of being connected with mounting bracket (4) right side end, the outer wall fixedly connected with horizontal pole (602) of dwang (601), the right side middle part of horizontal pole (602) is rotated and is connected with axis of rotation (603), the other end fixedly connected with fixed disk (604) of axis of rotation (603), centre gripping subassembly (7) set up the right-hand member in fixed disk (604), the outer wall fixedly connected with gear wheel (605) of axis of rotation (603), the right side upper end fixed mounting of horizontal pole (602) has alternating current servo motor (606), the output fixedly connected with pinion (607) of alternating current servo motor (606), pinion (607) and gear wheel (605) intermeshing, protection frame (5) fixed mounting is at the right-hand member of horizontal pole (602), and gear wheel (605), alternating current servo motor (606), pinion (607) all are located inside protection frame (5), the top of horizontal pole (602) is equipped with and is used for driving horizontal pole (601) pivoted angle actuating mechanism (608).

3. The programmable torque, endurance testing apparatus of claim 2, further comprising: the right end of the rotating shaft (603) is fixedly connected with a high-precision torque sensor through a coupler, and the high-precision torque sensor is fixedly connected with a fixed disc (604) through a coaxial stabilizer.

4. The programmable torque, endurance testing apparatus of claim 3, in which: the angle drive mechanism (608) is including installing mount (6081) at the top of mounting bracket (4), the inboard end rotation of mount (6081) is connected with threaded rod (6082), the first rocking handle (6083) of front end fixedly connected with of threaded rod (6082), the outer wall threaded connection of threaded rod (6082) has axle sleeve (6085), the outer wall rotation of axle sleeve (6085) is connected with link (6084), the other end of link (6084) and the top fixed connection of dwang (601).

5. The programmable torque, endurance testing apparatus of claim 4, in which: the clamping assembly (7) comprises two fixing plates (701) fixedly connected with the inner side ends of fixed plates (604), first sliding rods (702) are fixedly connected with the inner side ends of the two fixing plates (701), a moving plate (703) is slidably connected with the outer wall of the first sliding rods (702), an adjusting screw (704) is rotatably connected to the top of the moving plate (703), the top of the adjusting screw (704) penetrates through the fixing plates (701) and is in threaded connection with the fixing plates (701), half mounting blocks (705) are arranged at opposite ends of one of the fixing plates (701) and the moving plate (703), and half clamping blocks (706) are arranged at opposite ends of the half mounting blocks (705).

6. The programmable torque, endurance testing apparatus of claim 5, in which: the middle part of the half mounting block (705) is provided with a rectangular groove (7051) and a circular groove (7052) which are communicated with each other, two ends of the outer wall of the half mounting block (705) are fixedly connected with first threaded columns (7053), and the first threaded columns (7053) are inserted on the moving plate (703) and fixedly connected through locking nuts (7054).

7. The programmable torque, endurance testing apparatus of claim 6, in which: the outer wall fixedly connected with rectangle piece (7061) of half fixture block (706), rectangle piece (7061) and rectangular channel (7051) are the mutual adaptation, the outer wall fixedly connected with second screw thread post (7062) of rectangle piece (7061), and second screw thread post (7062) peg graft and carry out fixed connection in circular channel (7052) and through second lock nut (7055).

8. The programmable torque, endurance testing apparatus of claim 7, in which: the pushing assembly (9) comprises a baffle (901) arranged at one end of the sliding rail (2), the inner side end of the baffle (901) is fixedly connected with a supporting plate (902), the other end of the supporting plate (902) is fixedly connected with the supporting bracket (3), the surface of the baffle (901) is rotatably connected with a screw rod (903), the outer side end of the screw rod (903) is fixedly connected with a second rocking handle (904), the outer wall of the screw rod (903) is in threaded connection with a threaded block, the threaded block is fixedly connected with the bottom of the supporting seat (8), the top of the baffle (901) is provided with a groove, the inner wall of the groove is rotatably connected with a second sliding rod (905), the outer wall of the second sliding rod (905) is transversely and slidably connected with a sliding block (906), the outer wall of the sliding block (906) is fixedly connected with a push plate (907), springs (908) are arranged on two sides of the sliding block (906), the springs (908) are sleeved on the second sliding rod (905), gears (909) are fixedly connected with one end of the outer side of the second sliding rod (905) and the two gears (909) are meshed with each other.