A high-efficiency spring torsion detection device

Abstract

This utility model provides a high-efficiency spring torque detection device, relating to the field of spring torque detection technology. It includes a torsional torque application device, a deformation measuring device, a turntable, a fixed base, a T-shaped slide, an inner end limiting seat for the spiral spring, a lifting mounting base, a transverse sliding top rod, and an outer end limiting seat for the spiral spring. The inner end limiting seat for the spiral spring is fixed in the middle of the top surface of the fixed base for locking and limiting the inner end of the spiral spring. A transverse sliding top rod is installed on the edge of the top surface of the turntable via the movable part of the lifting mounting base. The outer end limiting seat for the spiral spring is fixed at the lower end of the movable part of the transverse sliding top rod, facilitating adjustment of the height and position of the outer end limiting seat for locking the outer end of the spiral spring, ensuring stable pushing and winding of the outer end of the spiral spring. This enables the detection of the spiral spring torque. Furthermore, the addition of a lower end positioning component and a spring sleeve shaft allows for the detection of torque on ordinary spiral springs, improving practicality.

Description

Technical Field

[0001] This utility model relates to the field of spring torque detection technology, and in particular to a high-efficiency spring torque detection device. Background Technology

[0002] The descriptions in this section provide background information relating to this disclosure and do not constitute prior art.

[0003] Automotive parts include various types of springs. Among them, the springs at the lower hinge of the car seat are spiral springs, and the door hinges are torsion springs. All of these springs need to undergo torque testing after production to ensure that the products meet the standards.

[0004] Existing spring torque testers are generally only suitable for testing the torque of normal torsion springs. By blocking the lower end of the torsion spring, the upper end of the torsion spring is pushed to rewind by a rotating push rod to test the torque. However, they are not suitable for spiral springs. They cannot hold the inner end of the spiral spring well, nor can they stably push the outer end of the spiral spring to rewind, resulting in poor practicality. Utility Model Content

[0005] The purpose of this invention is to provide a high-efficiency spring torque testing device, which has the advantage of being able to test the torque of both spiral springs and ordinary torsion springs. It solves the technical problem that existing spring torque testers are usually only suitable for testing the torque of normal torsion springs, but not for spiral springs.

[0006] This invention provides a high-efficiency spring torque detection device, comprising a torsional torque application device and a deformation measurement device, wherein the torsional torque application device is mounted on the deformation measurement device.

[0007] The torsional torque application device is equipped with a turntable and a fixed seat, and the upper surface of the fixed seat is provided with a T-shaped groove;

[0008] When used for torque testing of spiral springs:

[0009] A limiting seat for the inner end of a spiral spring is fixedly assembled in the middle of the top surface of the fixed seat;

[0010] A lifting mounting base is fixedly assembled at the edge of the upper surface of the turntable, and a transverse sliding top rod is fixedly assembled on the side wall of its movable part.

[0011] The lower end of the movable part of the transverse sliding top rod is fixedly equipped with a limiting seat at the outer end of a spiral spring.

[0012] When used for torque testing of ordinary torsion springs:

[0013] A positioning component at the lower end of a torsion spring is slidably inserted into the T-shaped groove;

[0014] The upper end of the inner end limiting seat of the spiral spring is screwed with a spring sleeve shaft.

[0015] As a further optimization, in order to position the inner end of the spiral spring, the inner end limiting seat of the spiral spring includes:

[0016] The upright plate is fixedly assembled to the middle of the top surface of the fixed base;

[0017] The upright plate has a spiral spring inner end snap-fit ​​hole in the middle of the left and right side walls;

[0018] A threaded hole is provided in the middle of the top surface of the upright plate.

[0019] As a further optimization, in order to improve the wear resistance of the inner wall of the snap-fit ​​hole, the inner wall of the snap-fit ​​hole is coated with a wear-resistant layer.

[0020] As a further optimization, in order to drive the lateral sliding top rod and the outer end limit seat of the spiral spring to rise and fall, the lifting mounting base includes:

[0021] The upright is fixedly assembled to the edge of the upper surface of the turntable;

[0022] The outer wall of the upright is fitted with an outer ring;

[0023] The outer ring is screwed with a limit bolt, the end of which abuts against the outer wall of the upright.

[0024] The transverse sliding top rod is fixedly assembled on the outer wall of the outer ring away from the limiting bolt.

[0025] As a further optimization, in order to improve the stability after the limit bolts are fixed, the outer wall of the upright is provided with an anti-slip surface.

[0026] As a further optimization, in order to position the sliding push rod assembly after it has been moved to a suitable position within the strip-shaped through hole, the transverse sliding push rod includes:

[0027] A strip plate, which is horizontally fixedly assembled to the outer wall of the outer ring;

[0028] The upper surface of the strip plate has a strip-shaped through hole along its length;

[0029] A push rod assembly is slidably positioned inside the strip-shaped through hole;

[0030] The outer end limiting seat of the spiral spring is assembled at the lower end of the top rod assembly.

[0031] As a further optimization, to provide a mounting base for the outer end limit seat of the spiral spring, and to allow adjustment of its position on the strip plate as needed, the push rod assembly includes:

[0032] The longitudinal push rod has a screw fixedly mounted vertically at the center of its top surface;

[0033] The screw is threaded through the strip-shaped through hole and a fixing nut is screwed onto it;

[0034] The lower end of the fixing nut abuts against the upper surface of the strip plate;

[0035] The outer end limiting seat of the spiral spring is assembled at the lower end of the longitudinal push rod.

[0036] As a further optimization, in order to clamp and limit the outer end of the spiral spring during torque detection, and to facilitate the rotation and winding of the outer end of the spiral spring to detect the torque, the outer end limiting seat of the spiral spring includes:

[0037] The C-shaped connector has connecting plates fixedly mounted on the left and right edges of its top surface.

[0038] The lower edges of the left and right side walls of the longitudinal top rod are provided with connecting grooves corresponding to the connecting plates on the same side, and the connecting plates are inserted into the corresponding connecting grooves.

[0039] A connecting bolt runs through the outer side of the connecting plate, and its end is screwed to the bottom surface of the connecting groove on the same side.

[0040] As a further optimization, in order to insert the outer end of the spiral spring into the C-shaped retainer,

[0041] The C-shaped locking seat is shielded, and a C-shaped locking seat opening shielding structure is installed between the lower end of the front wall of the longitudinal push rod and the front wall of the C-shaped locking seat, which includes:

[0042] A strip-shaped groove is formed at the lower end of the front wall of the longitudinal push rod and on the upper side of the front wall of the C-shaped snap-fit ​​seat;

[0043] The strip-shaped groove has wedge-shaped grooves on the rear sides of the left and right sides along the length direction;

[0044] A baffle is slidably fitted inside the strip groove, with its lower end abutting against the lower end of the inner wall of the C-shaped snap-fit ​​seat.

[0045] The rear wall of the baffle is integrally formed with a wedge-shaped slider corresponding to the wedge-shaped groove, which is slidably inserted into the left and right wedge-shaped grooves.

[0046] As a further optimization, in order to block and position the lower end of a common torsion spring during torque testing, the lower end positioning component of the torsion spring includes:

[0047] The T-shaped slider is slidably fitted into the T-shaped groove;

[0048] A fixing bolt is screwed into the middle of the top surface of the T-shaped slider, and its lower end abuts against the bottom surface of the inner cavity of the T-shaped slide groove.

[0049] This utility model provides an improved, high-efficiency spring torque detection device, which has the following improvements and advantages compared with the prior art:

[0050] The deformation measurement device of the spring torque tester is inconvenient. Therefore, the upper structure of the upper fixed seat of the torsional torque application device is modified. A limiting seat for the inner end of the spiral spring is fixed in the middle of the top surface of the fixed seat for locking and limiting the inner end of the spiral spring. A transverse sliding rod is installed on the edge of the top surface of the turntable through the movable part of the lifting mounting seat. A limiting seat for the outer end of the spiral spring is fixed at the lower end of the movable part of the transverse sliding rod, which facilitates the adjustment of the height and position of the limiting seat for the outer end of the spiral spring and is used for locking the outer end of the spiral spring. When the turntable drives the lifting mounting seat, the transverse sliding rod and the limiting seat for the outer end of the spiral spring to rotate in a circle, it ensures stable pushing and winding of the outer end of the spiral spring, which can realize the torque detection of the spiral spring. At the same time, by adding the positioning part at the lower end of the torsion spring and the spring sleeve shaft, it can also be used for the torque detection of ordinary torsion springs, improving practicality. Attached Figure Description

[0051] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0052] Figure 1 This is a schematic diagram of the spiral spring torque detection state structure of this utility model.

[0053] Figure 2 This is a schematic diagram of the ordinary torsion spring torque detection state structure of this utility model;

[0054] Figure 3 This is a schematic diagram of the inner end limiting seat structure of the spiral spring of this utility model;

[0055] Figure 4 This is a schematic diagram of the lifting mounting base and the transverse sliding top rod structure of this utility model;

[0056] Figure 5 This is a schematic diagram of the top rod assembly and the outer end limiting seat of the spiral spring of this utility model.

[0057] Figure 6 This is a schematic diagram of the lower end positioning component of the torsion spring of this utility model.

[0058] Explanation of reference numerals in the attached figures:

[0059] 1-T-shaped slide rail, 2-turntable, 3-fixed seat, 4-inner end limit seat of spiral spring, 41-vertical plate, 42-inner end snap-fit ​​hole of spiral spring, 43-threaded hole, 5-lifting mounting seat, 51-vertical rod, 52-outer ring, 53-limiting bolt, 6-spring sleeve shaft, 7-lower end positioning part of torsion spring, 71-T-shaped slider, 72-fixing bolt, 8-transverse sliding top rod, 81-strip plate, 82-strip through hole, 83-top rod assembly, 831-longitudinal top rod, 832-screw rod, 833-fixing nut, 9-outer end limit seat of spiral spring, 91-C-shaped snap-fit ​​seat, 92-connecting groove, 93-connecting plate, 94-connecting bolt, 95-C-shaped snap-fit ​​seat opening blocking structure, 951-strip groove, 952-wedge-shaped slide rail, 953-baffle, 954-wedge-shaped slider. Detailed Implementation

[0060] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0061] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0062] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0063] Please see Figure 1-6 This utility model provides a technical solution: a high-efficiency spring torque detection device, comprising a torque application device and a deformation measurement device, wherein the torque application device is mounted on the deformation measurement device.

[0064] The torsional torque application device is provided with a turntable 2 and a fixed seat 3, and a T-shaped groove 1 is provided on the upper surface of the fixed seat 3;

[0065] When used for torque testing of spiral springs:

[0066] The inner end limit seat 4 of the spiral spring is fixedly assembled in the middle of the top surface of the fixed seat 3;

[0067] A lifting mounting base 5 is fixedly assembled at the edge of the upper surface of the turntable 2, and a transverse sliding top rod 8 is fixedly assembled on the side wall of its movable part.

[0068] The lower end of the movable part of the transverse sliding top rod 8 is fixedly equipped with a spiral spring outer end limit seat 9;

[0069] When used for torque testing of ordinary torsion springs:

[0070] A torsion spring lower end positioning piece 7 is slidably inserted into the T-shaped slide groove 1;

[0071] A spring sleeve shaft 6 is screwed onto the upper end of the inner end limit seat 4 of the spiral spring.

[0072] Specifically, in this embodiment, the torsional torque application device and the deformation measurement device are two components of the spring torque detector in the prior art. This solution does not modify the deformation measurement device and directly adopts the original structure. It modifies some structures of the torsional torque application device, retains the turntable 2, the fixed seat 3 and the related structures of driving the turntable to rotate, and modifies the structures on the turntable 2 and the fixed seat 3. It retains the opening of the T-shaped slide groove 1 on the upper surface of the fixed seat 3 and removes other structures on the turntable 2 and the fixed seat 3.

[0073] Furthermore, with the exception of the T-shaped groove 1, other structures on the turntable 2 and the fixed seat 3 are removed, an inner end limit seat 4 of the spiral spring is fixed in the middle of the top surface of the fixed seat 3 for locking and limiting the inner end of the spiral spring. A transverse sliding rod 8 is installed on the edge of the top surface of the turntable 2 through the movable part of the lifting mounting seat 5. An outer end limit seat 9 of the spiral spring is fixed at the lower end of the movable part of the transverse sliding rod 8 to facilitate adjustment of the height and position of the outer end limit seat 9 of the spiral spring for locking the outer end of the spiral spring. When the turntable 2 drives the lifting mounting seat 5, the transverse sliding rod 8 and the outer end limit seat 9 of the spiral spring to rotate in a circle, it ensures stable pushing and winding of the outer end of the spiral spring, and can realize the torque detection of the spiral spring.

[0074] More specifically, when used for torque testing of ordinary torsion springs, a spring sleeve shaft 6 is screwed onto the upper end of the inner end limiting seat 4 of the spiral spring. The ordinary torsion spring to be tested is sleeved on the outer side of the spring sleeve shaft 6. The lower end positioning piece 7 of the torsion spring is slidably inserted into the T-shaped slide groove 1. After the lower end positioning piece 7 of the torsion spring slides to the appropriate position, it is positioned to block and position the lower end of the ordinary torsion spring. Then, by sliding and adjusting the position of the movable part of the transverse sliding top rod 8, the outer wall of the outer end limiting seat 9 of the spiral spring abuts against the outer wall of the upper end of the ordinary torsion spring. The turntable 2 drives the lifting mounting seat 5, the transverse sliding top rod 8 and the outer end limiting seat 9 of the spiral spring to rotate in a circle, pushing the upper end of the ordinary torsion spring to rewind, thereby realizing torque testing.

[0075] Understandably, the movable part of the lateral sliding top rod 8 can slide laterally to drive the outer end limit seat 9 of the spiral spring to adjust its position, so that the device is suitable for torque detection of spiral springs of different sizes within a certain range.

[0076] In some embodiments, the inner end limiting seat 4 of the spiral spring includes:

[0077] The upright plate 41 is fixedly assembled to the middle of the top surface of the fixed base 3;

[0078] The upright plate 41 has a spiral spring inner end snap-fit ​​hole 42 in the middle of the left and right side walls;

[0079] A threaded hole 43 is provided in the middle of the top surface of the upright plate 41.

[0080] Specifically, in this embodiment, the inner end snap-fit ​​hole 42 of the spiral spring is a through hole opened on the left and right side walls of the upright plate 41. The inner end of the spiral spring has a curvature. After this curved end is inserted into the through hole, it can snap-fit ​​and position the inner end during the spiral spring winding process.

[0081] In some embodiments, the inner wall of the snap-fit ​​hole 42 is coated with a wear-resistant layer, specifically a wear-resistant coating layer, which is used to improve the wear resistance of the inner wall of the snap-fit ​​hole 42 after spraying, so as to avoid severe wear on the inner end of the spiral spring during the snap-fit ​​process.

[0082] Understandably, the wear-resistant coating layer can be repaired periodically.

[0083] In some embodiments, the lifting mounting base 5 includes:

[0084] The upright 51 is fixedly assembled at the edge of the upper surface of the turntable 2;

[0085] An outer ring 52 is fitted onto the outer wall of the upright 51;

[0086] A limit bolt 53 is screwed onto the outer wall of the outer ring 52, and its end abuts against the outer wall of the upright 51.

[0087] The transverse sliding top rod 8 is fixedly assembled on the outer wall of the outer ring 52 on the side away from the limit bolt 53.

[0088] Specifically, in this embodiment, the turntable 2 is driven by the relevant structure in the torsional torque application device that drives the turntable to rotate, which is a direct application of the prior art;

[0089] Furthermore, the outer ring 52 is fixed to the outer wall of the upright 51 by the limiting bolt 53. After the limiting bolt 53 is tightened, it is pressed against the outer wall of the upright 51 for limiting. When it is necessary to adjust the height of the outer ring 52, the limiting bolt 53 is loosened, the outer ring 52 is slid to the appropriate height, and then the limiting bolt 53 is tightened again to limit and fix the outer ring 52 at the current height.

[0090] More specifically, the lifting and lowering of the outer ring 52 causes the horizontal sliding top rod 8 fixed on it to lift and lower accordingly, and the horizontal sliding top rod 8 causes the outer end limit seat 9 of the lower scroll spring to lift and lower accordingly.

[0091] In some embodiments, the outer wall of the upright 51 is provided with an anti-slip surface, which is a frosted surface, to improve the friction of the outer wall of the upright 51 and to improve the more stable limiting effect when the limiting bolt 53 abuts against the outer wall of the upright 51.

[0092] In some embodiments, the lateral sliding push rod 8 includes:

[0093] Strip plate 81 is horizontally fixedly assembled to the outer wall of outer ring 52;

[0094] A strip-shaped through hole 82 is provided on the upper surface of the strip plate 81 along its length direction;

[0095] A push rod assembly 83 is slidably positioned inside the strip-shaped through hole 82;

[0096] The outer end limit seat 9 of the spiral spring is assembled at the lower end of the push rod assembly 83.

[0097] Specifically in this embodiment, the push rod assembly 83 can slide within the strip-shaped through hole 82. After the push rod assembly 82 is slid to a suitable position, it is positioned, thereby driving the outer end limit seat 9 of the spiral spring to adjust its position.

[0098] In some embodiments, the push rod assembly 83 includes:

[0099] The longitudinal push rod 831 has a screw 832 vertically fixedly mounted on the middle of its top surface;

[0100] The screw 832 passes through the strip-shaped through hole 82 and is screwed with a fixing nut 833;

[0101] The lower end of the fixing nut 833 abuts against the upper surface of the strip plate 81;

[0102] The outer end limit seat 9 of the spiral spring is assembled at the lower end of the longitudinal push rod 831.

[0103] Specifically, in this embodiment, when the fixing nut 833 is tightened, the strip plate 81 is clamped between the fixing nut 833 and the top of the longitudinal push rod 831, thus achieving a limiting function. When it is necessary to adjust the position of the longitudinal push rod 831 laterally, the fixing nut 833 is loosened, and the longitudinal push rod 831 is slid laterally. The longitudinal push rod 831 drives the upper screw 832 to slide along the strip through hole 82. After moving to the appropriate position, the fixing nut 833 is tightened again, clamping the strip plate 81 between the fixing nut 833 and the top of the longitudinal push rod 831 for limiting, thus limiting and fixing the current position of the longitudinal push rod 831.

[0104] In some embodiments, the outer end limiting seat 9 of the spiral spring includes:

[0105] C-shaped card holder 91, with connecting plates 93 fixedly fitted on the left and right edges of its top surface;

[0106] The lower edge of the left and right side walls of the longitudinal top rod 831 is provided with a connecting groove 92 corresponding to the connecting plate 93 on the same side, and the connecting plate 93 is inserted into the corresponding connecting groove 92.

[0107] A connecting bolt 94 passes through the outer side of the connecting plate 93, and its end is screwed to the bottom surface of the connecting groove 92 on the same side.

[0108] Specifically, in this embodiment, the opening of the C-shaped snap-fit ​​seat 91 faces forward, and the inner corners of the C-shaped snap-fit ​​seat 91 are designed with right angles for inserting and snapping the outer end of the spiral spring.

[0109] Furthermore, the connecting plate 93 at the upper end of the C-shaped connector 91 is fixed in the pre-reserved screw hole on the bottom surface of the connecting groove 92 on the same side by connecting bolts 94. The C-shaped connector 91 and the longitudinal push rod 831 can be separated by removing all connecting bolts 94. When wear occurs, the C-shaped connector 91 and the connecting plate 93 can be disassembled and replaced together.

[0110] In some embodiments, a C-shaped latching seat opening blocking structure 95 is fitted between the lower end of the front wall of the longitudinal push rod 831 and the front wall of the C-shaped latching seat 91, which includes:

[0111] A strip-shaped groove 951 is formed at the lower end of the front wall of the longitudinal push rod 831 and the upper side of the front wall of the C-shaped locking seat 91;

[0112] Wedge-shaped grooves 952 are provided on the rear sides of the strip groove 951 along the length direction;

[0113] A baffle 953 is slidably fitted inside the strip groove 951, with its lower end abutting against the lower end of the inner wall of the C-shaped snap-fit ​​seat 91.

[0114] The rear wall of the baffle 953 is integrally formed with a wedge-shaped slider 954 corresponding to the wedge-shaped groove 952, which slides into the left and right wedge-shaped grooves 952.

[0115] Specifically in this embodiment, the strip groove 951 is divided into two sections, one part is at the lower end of the front wall of the longitudinal top rod 831, and the other part is on the upper side of the front wall of the C-shaped card seat 91. This opening method allows the baffle 953 in the strip groove 951 to slide downward and pass through the upper end of the C-shaped card seat 91 to abut against the lower end of the inner wall of the C-shaped card seat 91.

[0116] Furthermore, the wedge-shaped slider 954 at the rear end of the baffle 953 is slidably engaged in the wedge-shaped grooves 952 on the left and right sides of the strip groove 951. This sliding engagement method prevents the baffle 953 from coming off the front side of the strip groove 951, ensuring that the baffle 953 can block the outer end of the spiral spring inserted into the C-shaped locking seat 91. The outer end of the spiral spring is engaged in the rectangular frame formed by the C-shaped locking seat 91 and the baffle 953. During the circumferential rotation pushing the outer end of the spiral spring to rewind, the stability of the positioning of the outer end of the spiral spring is ensured, and the outer end of the spiral spring is prevented from coming off.

[0117] In some embodiments, the lower end positioning member 7 of the torsion spring includes:

[0118] T-shaped slider 71, which is slidably fitted into T-shaped groove 1;

[0119] A fixing bolt 72 is screwed into the middle of the top surface of the T-shaped slider 71, and its lower end abuts against the bottom surface of the inner cavity of the T-shaped slide groove 1.

[0120] Specifically in this embodiment, after the T-shaped slider 71 slides to a suitable position in the T-shaped groove 1, the fixing bolt 72 is tightened so that the lower end of the fixing bolt 72 abuts against the bottom surface of the inner cavity of the T-shaped groove 1 for limiting; after the fixing bolt 72 is loosened, the T-shaped slider 71 can slide in the T-shaped groove 1 and be removed from the T-shaped groove 1.

[0121] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A high-efficiency spring torque detection device, comprising a torque application device and a deformation measurement device, wherein the torque application device is mounted on the deformation measurement device, characterized in that: The torsional torque application device is provided with a turntable (2) and a fixed seat (3), and a T-shaped groove (1) is provided on the upper surface of the fixed seat (3); When used for torque testing of spiral springs: The inner end limiting seat (4) of the spiral spring is fixedly assembled in the middle of the top surface of the fixed seat (3). A lifting mounting seat (5) is fixedly assembled at the edge of the upper surface of the turntable (2), and a transverse sliding top rod (8) is fixedly assembled on the side wall of its movable part. The lower end of the movable part of the transverse sliding top rod (8) is fixedly equipped with a spiral spring outer end limit seat (9). When used for torque testing of ordinary torsion springs: A torsion spring lower end positioning piece (7) is slidably inserted into the T-shaped groove (1); The upper end of the inner end limiting seat (4) of the spiral spring is screwed with a spring sleeve shaft (6).

2. The high-efficiency spring torque detection device according to claim 1, characterized in that, The inner end limiting seat (4) of the spiral spring includes: The upright plate (41) is fixedly assembled to the middle of the top surface of the fixed base (3); The upright plate (41) has a spiral spring inner end snap-fit ​​hole (42) in the middle of the left and right side walls. A threaded hole (43) is provided in the middle of the top surface of the upright plate (41).

3. The high-efficiency spring torque detection device according to claim 2, characterized in that, The inner wall of the snap-fit ​​hole (42) is coated with a wear-resistant layer.

4. The high-efficiency spring torque detection device according to claim 1, characterized in that, The lifting mounting base (5) includes: The upright (51) is fixedly assembled at the edge of the upper surface of the turntable (2); The outer wall of the upright (51) is fitted with an outer ring (52); The outer ring (52) is screwed with a limit bolt (53) on its outer wall, the end of which abuts against the outer wall of the upright (51); The transverse sliding top rod (8) is fixedly assembled on the outer wall of the outer ring (52) away from the limiting bolt (53).

5. The high-efficiency spring torque detection device according to claim 4, characterized in that, The outer wall of the upright (51) is provided with an anti-slip surface.

6. The high-efficiency spring torque detection device according to claim 4, characterized in that, The transverse sliding top rod (8) includes: A strip plate (81) is horizontally fixedly assembled to the outer wall of the outer ring (52); The strip plate (81) has a strip-shaped through hole (82) along its length on its upper surface. A push rod assembly (83) is slidably positioned inside the strip-shaped through hole (82); The outer end limiting seat (9) of the spiral spring is assembled at the lower end of the top rod assembly (83).

7. The high-efficiency spring torque detection device according to claim 6, characterized in that, The push rod assembly (83) includes: The longitudinal push rod (831) has a screw (832) vertically fixedly mounted on the middle of its top surface. The screw (832) passes through the strip-shaped through hole (82) and is screwed with a fixing nut (833); The lower end of the fixing nut (833) abuts against the upper surface of the strip plate (81); The outer end limiting seat (9) of the spiral spring is assembled at the lower end of the longitudinal top rod (831).

8. The high-efficiency spring torque detection device according to claim 7, characterized in that, The outer end limiting seat (9) of the spiral spring includes: C-shaped card holder (91), with connecting plates (93) fixedly mounted on the left and right edges of its top surface; The lower edge of the left and right side walls of the longitudinal top rod (831) is provided with a connecting groove (92) corresponding to the connecting plate (93) on the same side, and the connecting plate (93) is inserted into the corresponding connecting groove (92); A connecting bolt (94) runs through the outer side of the connecting plate (93), and its end is screwed to the bottom surface of the connecting groove (92) on the same side.

9. The high-efficiency spring torque detection device according to claim 8, characterized in that, A C-shaped locking seat opening blocking structure (95) is fitted between the lower end of the front wall of the longitudinal push rod (831) and the front wall of the C-shaped locking seat (91), which includes: A strip groove (951) is formed at the lower end of the front wall of the longitudinal top rod (831) and the upper side of the front wall of the C-shaped locking seat (91); The strip groove (951) has wedge-shaped grooves (952) on the left and right rear sides along the length direction. A baffle (953) is slidably fitted inside the strip groove (951), with its lower end abutting against the lower end of the inner wall of the C-shaped snap-fit ​​seat (91); The rear wall of the baffle (953) is integrally formed with a wedge-shaped slider (954) corresponding to the wedge-shaped groove (952), which is slidably inserted into the left and right wedge-shaped grooves (952).

10. The high-efficiency spring torque detection device according to claim 1, characterized in that, The lower end positioning element (7) of the torsion spring includes: T-shaped slider (71), which is slidably fitted into the T-shaped groove (1); A fixing bolt (72) is screwed into the middle of the top surface of the T-shaped slider (71), and its lower end abuts against the bottom surface of the inner cavity of the T-shaped groove (1).

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