Worm and gear detection device

Abstract

The utility model provides a worm gear and worm detection device, which relates to the technical field of detection devices and comprises a bottom plate, a first wedge-shaped chute, a worm storage side plate, a worm, a worm pressing and fixing mechanism, a back plate, a strip-shaped through hole, a connecting block, an internal thread cylinder, a worm gear internal support fixing piece, a worm gear, a first screw and a load rod. Through cooperative use of the devices, the device detects the meshing degree of the worm gear and the worm, the self-locking performance of the worm gear and the worm and the load capacity of the worm gear and the worm, multiple performance of the worm gear and the worm can be detected on the same device, and the problem of tedious operation caused by equipment replacement is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field especially is related to a worm and gear detection device. BACKGROUND

[0002] Worm and gear is the main part of transmission mechanism, when worm and gear works, worm is driving part, drives worm gear to rotate, and transmits power between two axes in space, and the performance of worm and gear needs to be detected after production.

[0003] The existing worm and gear detection device usually detects only single performance of worm and gear, and other equipment needs to be matched when other performance of worm and gear needs to be detected, increasing the complexity of operation. UTILITY MODEL CONTENTS

[0004] The utility model discloses a worm and gear detection device, which has the advantages of detecting various performances of worm and gear on the same device, solving the technical problems of the existing worm and gear detection device, which usually detects only single performance of worm and gear, and other equipment needs to be matched when other performance of worm and gear needs to be detected.

[0005] The utility model provides a worm and gear detection device, which comprises:

[0006] A bottom plate, a first wedge-shaped sliding groove is horizontally formed in the middle of the upper surface of the bottom plate;

[0007] Worm housing side plates are slidably connected to the left and right sides of the middle part of the first wedge-shaped sliding groove;

[0008] A worm is received in the worm housing side plates on both sides of the middle part;

[0009] Worm pressing and fixing mechanisms are slidably connected to the left and right ends of the first wedge-shaped sliding groove, and the movable end of the worm pressing and fixing mechanism abuts against the same side above the outer wall of the worm;

[0010] A back plate is fixedly assembled to the rear side of the upper surface of the bottom plate, and a strip-shaped through hole is longitudinally formed in the middle part of the back plate;

[0011] A connecting block is slidably connected in the strip-shaped through hole, and an internally threaded cylinder is rotatably connected to the front and rear side walls of the connecting block;

[0012] An internally threaded cylinder of the connecting block is internally threaded with a worm inner support fixing part, a worm gear is sleeved and fixed to the front end of the outer wall of the worm inner support fixing part, and the worm gear is located directly above the middle part of the worm;

[0013] A first screw rod is longitudinally screwed to the top surface of the strip-shaped through hole, and the lower end of the first screw rod is rotatably connected to the top surface of the connecting block;

[0014] A load rod is fixedly connected to the rear end of the outer wall of the worm inner support fixing part.

[0015] As a further optimization scheme, in order to fix the worm gear by the inner support method, the worm gear inner support fixing piece can be applied to the fixing of worm gears of different sizes within a certain range, the worm gear inner support fixing piece comprises:

[0016] The outer wall of the circular rod is provided with external threads;

[0017] The front side of the outer wall of the circular rod is provided with an annular groove;

[0018] The bottom surface and the top surface of the annular groove are respectively vertically fixed with micro air cylinders, and the outer side telescopic end of the micro air cylinder is fixedly connected with an arc-shaped plate;

[0019] The upper and lower micro air cylinders are extended to push the arc-shaped plate to abut against the inner annular surface of the worm gear.

[0020] As a further optimization scheme, in order to improve the stability of the worm gear fixing, the front end of the circular rod is sleeved with a fixing nut, and the number of the fixing nuts is two;

[0021] The fixing nuts are screwed on the external threads, and the two fixing nuts are respectively located on the front and rear sides of the annular groove;

[0022] The fixing nuts abut against the same side of the outer wall of the worm gear.

[0023] As a further optimization scheme, in order to support the worm when fixing the worm, and to support the two side ends of the worm when the worm is not fixed, the worm can rotate in the storage through hole, the worm storage side plate comprises:

[0024] The bottom surface of the rectangular plate is fixedly provided with a first wedge-shaped sliding block in the middle, and the first wedge-shaped sliding block is slidingly connected in the first wedge-shaped sliding groove;

[0025] The lower end of the left and right side walls of the rectangular plate is provided with a storage through hole.

[0026] As a further optimization scheme, in order to facilitate the worm to enter and exit the storage through hole from the access channel, a longitudinal extension section is arranged at the upper end of the storage through hole, an access channel is arranged on the front wall of the rectangular plate corresponding to the longitudinal extension section, and the rear end of the access channel is in communication with the longitudinal extension section.

[0027] As a further optimization scheme, in order to facilitate the suspension of the load on the load rod, the load rod comprises:

[0028] The connecting rod is fixedly connected with the outer wall of the worm gear inner support fixing piece at the rear side, and the other end of the connecting rod is fixedly provided with a load suspension rod.

[0029] As a further optimization scheme, in order to prevent the load from falling off after being suspended by the load suspension rod, limit rings are respectively fixedly sleeved on the left and right sides of the outer wall of the load suspension rod.

[0030] The outer wall of the load suspension rod is coated with an anti-skid layer.

[0031] As a further optimization scheme, in order to stably fix the worm during the detection of the engagement degree of the worm gear, the worm pressing and fixing mechanism comprises:

[0032] The L-shaped plate is provided with a second wedge-shaped sliding block fixedly arranged at the lower end of the longitudinal part, and the second wedge-shaped sliding block is slidingly connected in a first wedge-shaped sliding groove;

[0033] The transverse part of the L-shaped plate faces forward;

[0034] A second screw is screwed on the upper surface of the transverse part of the L-shaped plate, and a pressing plate is rotatably arranged at the lower end of the second screw;

[0035] The rear end of the pressing plate is slidingly attached to the longitudinal part of the L-shaped plate, and a rubber layer is attached to the bottom surface of the pressing plate.

[0036] As a further optimization scheme, in order to improve the stability of the transverse sliding of the worm storage side plate, a second wedge-shaped sliding groove is formed on the upper surface of the bottom plate at the front and rear sides of the middle part;

[0037] Third wedge-shaped sliding blocks are fixedly arranged on the bottom surface of the worm storage side plate at the front and rear sides corresponding to the second wedge-shaped sliding groove;

[0038] The third wedge-shaped sliding blocks are slidingly connected in the second wedge-shaped sliding groove.

[0039] As a further optimization scheme, in order to facilitate the fixation of the device as a whole, mounting through holes are formed at the four corners of the upper surface of the bottom plate.

[0040] The worm gear detection device provided by the present application has the following improvements and advantages compared with the prior art.

[0041] In the detection of the meshing degree of the worm gear, the worm receiving side plates on both sides are slid to the appropriate positions, and the worm is received into the inside from both sides, the worm is supported by the worm receiving side plates on both sides, the movable end of the worm pressing fixing mechanism presses down the worm on both sides to fix it, the worm gear is sleeved and fixed on the front end of the worm gear inner support fixing piece, the worm gear inner support fixing piece and the worm gear are driven to move up and down by rotating the first screw rod to push the connecting block, and the meshing degree of the worm and the worm gear is detected by the dial gauge method or the feeler gauge method; in the detection of the self-locking property and the load capacity of the worm gear, the worm pressing fixing mechanisms on both sides are removed by sliding, the worm receiving side plates on both sides are moved outwards to support the both ends of the worm, so that the worm can rotate by itself, the worm gear is meshed with the worm, the inner thread cylinder which is screwed on the rear end of the worm gear inner support fixing piece fixing the worm gear can rotate on the connecting block, so that the worm gear can rotate by itself, and the load is applied or hung on the load rod to detect the self-locking property and the load capacity of the worm gear, the device detects the meshing degree, the self-locking property and the load capacity of the worm gear, and various performances of the worm gear can be detected on the same device, so that the problem of complicated operation caused by equipment replacement is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0042] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0043] Figure 1 It is a structural schematic diagram of the present application;

[0044] Figure 2 It is a structural schematic diagram of the worm gear inner support fixing piece of the present application;

[0045] Figure 3 It is a structural schematic diagram of the worm receiving side plate of the present application;

[0046] Figure 4 It is a structural schematic diagram of the load rod of the present application;

[0047] Figure 5 It is a structural schematic diagram of the worm pressing fixing mechanism of the present application.

[0048] Explanation of reference signs:

[0049] 1-base plate, 2-first wedge-shaped sliding groove, 3-worm housing side plate, 31-rectangular plate, 32-housing through hole, 33-longitudinal extension section, 34-access channel, 35-first wedge-shaped sliding block, 4-worm, 5-worm pressing and fixing mechanism, 51-L-shaped plate, 52-second wedge-shaped sliding block, 53-second screw, 54-pressing plate, 55-rubber layer, 6-back plate, 7-strip-shaped through hole, 8-first screw, 9-worm gear inner support fixing piece, 91-round rod, 92-external thread, 93-fixing nut, 94-annular groove, 95-micro air cylinder, 96-arc-shaped plate, 10-worm gear, 11-load rod, 111-connecting rod, 112-load suspension rod, 113-limiting ring, 12-second wedge-shaped sliding groove, 13-mounting through hole, 14-anti-skid layer, 15-connecting block, 16-third wedge-shaped sliding block. DETAILED DESCRIPTION

[0050] The technical solutions of the present application will be described below in connection with the embodiments, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0051] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0052] In the description of the utility model, it is necessary to understand that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0053] Please refer to Figures 1-5 The utility model provides technical scheme:

[0054] The upper surface of the bottom plate 1 is provided with a first wedge-shaped sliding groove 2 in the middle part in the transverse direction;

[0055] The first wedge-shaped sliding groove 2 is slidably connected with a worm rod storage side plate 3 on the left and right sides in the middle part, and the worm rod storage side plate 3 slides in the transverse direction in the first wedge-shaped sliding groove 2;

[0056] The worm rod 4 is received in the worm rod storage side plate 3 on both sides in the middle part, and the worm rod storage side plate 3 on both sides is slid from outside to inside to be sleeved on both ends of the worm rod 4, so that the worm rod 4 is received and supported;

[0057] The first wedge-shaped sliding groove 2 is slidably connected with a worm rod pressing and fixing mechanism 5 on both ends, and the movable end of the worm rod pressing and fixing mechanism 5 is abutted on the same side above the outer wall of the worm rod 4, so that the both ends of the worm rod 4 are pressed and fixed by the movable end of the worm rod pressing and fixing mechanism 5 on both sides when the meshing degree of the worm gear is detected;

[0058] The back plate 6 is fixedly assembled on the upper surface of the bottom plate 1 on the rear side, and a strip-shaped through hole 7 is longitudinally formed in the middle part;

[0059] The connecting block 15 is slidably connected with an internal thread cylinder on the front and rear side walls in the strip-shaped through hole 7;

[0060] The worm gear inner support fixing part 9 is screwed in the internal thread cylinder of the connecting block 15, the outer wall of the worm gear 10 is sleeved and fixed on the front end of the worm gear inner support fixing part 9, and the worm gear 10 is located directly above the middle part of the worm rod 4; the worm gear 10 is rotated on the connecting block 15 through the screwed internal thread cylinder of the worm gear inner support fixing part 9, so that the worm gear 10 can rotate while being fixed;

[0061] The first screw rod 8 is longitudinally screwed on the top surface of the strip-shaped through hole 7, and the lower end of the first screw rod 8 is rotationally connected to the top surface of the connecting block 15. The connecting block 15 is driven to slide up and down in the strip-shaped through hole 7 by rotating the first screw rod 8, thereby driving the worm gear inner support fixing piece 9 and the worm gear 10 to move up and down.

[0062] The outer wall of the worm gear inner support fixing piece 9 is fixedly connected with a load rod 11. The load rod 11 can apply load by pressing or can be hung with load.

[0063] In some embodiments, in order to fix the worm gear 10 by the inner support method, the worm gear inner support fixing piece 9 can be applied to the fixing of worm gears 10 of different sizes within a certain range. The worm gear inner support fixing piece 9 comprises:

[0064] A circular rod 91 is provided with external threads 92 on the outer wall thereof;

[0065] An annular groove 94 is formed on the front side of the outer wall of the circular rod 91;

[0066] Miniature air cylinders 95 are perpendicularly fixed to the bottom surface and the top surface of the annular groove 94, respectively. The outer side of the extension end of the miniature air cylinder 95 is fixedly connected with an arc-shaped plate 96;

[0067] The upper and lower miniature air cylinders 95 extend to push the arc-shaped plate 96 to abut against the inner annular surface of the worm gear 10. The left and right miniature air cylinders 95 are connected with an external air supply system. The arc-shaped plate 96 is pushed out by the miniature air cylinders 95 to abut against the inner annular surface of the worm gear 10 for fixing, so as to fix the worm gear 10 sleeved on the front end of the circular rod 91.

[0068] In some embodiments, in order to improve the stability of the fixing of the worm gear 10, two fixed nuts 93 are sleeved on the front end of the circular rod 91;

[0069] The fixed nuts 93 are screwed on the external threads 92, and the two fixed nuts 93 are respectively located on the front side and the rear side of the annular groove 94;

[0070] By rotating the fixed nuts 93 to abut against the same side of the outer wall of the worm gear 10, the stability of the fixing of the worm gear 10 is improved.

[0071] In some embodiments, in order to support the worm gear 4 when the worm gear 4 is fixed, and not to fix the worm gear 4, the worm gear storage side plates 3 on both sides are moved outward to support the end portions of the worm gear 4. The worm gear 4 can rotate in the storage through hole. The worm gear storage side plate 3 comprises:

[0072] A rectangular plate 31 is fixedly assembled with a first wedge-shaped sliding block 35 in the middle of the bottom surface thereof. The first wedge-shaped sliding block 35 is slidingly connected in the first wedge-shaped sliding groove 2;

[0073] The lower end of the left and right side walls of the rectangular plate 31 is provided with a storage through hole 32.

[0074] In some embodiments, in order to facilitate the worm 4 from the access channel 34 into the storage hole 32, the worm 4 can be stored without moving the worm storage side plate 3, and a longitudinal extension section 33 is arranged at the upper end of the storage hole 32, and the front wall of the rectangular plate 31 is provided with an access channel 34 corresponding to the longitudinal extension section 33, and the rear end of the access channel 34 is communicated with the longitudinal extension section 33.

[0075] As shown in Figure 4 some embodiments, in order to facilitate the suspension of the load on the load rod 11, the load rod 11 comprises:

[0076] A connecting rod 111 is fixedly connected to the rear side of the outer wall of the worm gear inner support fixed part 9, and a load suspension rod 112 is fixedly assembled at the other end of the connecting rod 111, which ensures that the load suspension rod 112 is horizontally engaged with the worm 4 and the worm gear 10 during use, thereby facilitating the suspension of the load on the load suspension rod 112.

[0077] In some embodiments, in order to prevent the load from falling off after being suspended on the load suspension rod 112, a limiting ring 113 is fixedly sleeved on the left and right sides of the outer wall of the load suspension rod 112, which plays a shielding and limiting role, and avoids the falling off of the load suspended on the load suspension rod 112 on both sides of the load suspension rod 112;

[0078] The outer wall of the load suspension rod 112 is coated with an anti-skid layer 14, which improves the anti-skid performance of the load suspension rod 112 and reduces the risk of load sliding off the outer wall of the load suspension rod 112.

[0079] In some embodiments, in order to stably fix the worm 4 during the detection of the engagement degree of the worm gear and the worm, the worm pressing and fixing mechanism 5 comprises:

[0080] An L-shaped plate 51 is provided with a second wedge-shaped sliding block 52 fixedly assembled at the lower end of the longitudinal portion, and the second wedge-shaped sliding block 52 is slidingly connected in the first wedge-shaped sliding groove 2;

[0081] The transverse portion of the L-shaped plate 51 faces forward;

[0082] A second screw 53 is screwed on the upper surface of the transverse portion of the L-shaped plate 51, and a pressing plate 54 is rotatably assembled at the lower end of the second screw 53;

[0083] The rear end of the pressing plate 54 is slidingly attached to the longitudinal portion of the L-shaped plate 51, and a rubber layer 55 is fixedly attached to the bottom surface of the pressing plate 54, which is lifted along the longitudinal portion of the L-shaped plate 51 by rotating the second screw 53, and the pressing plate 54 is pressed and fixed on the same side of the worm 4, and the design of the rubber layer 55 avoids the abrasion of the worm 4.

[0084] In some embodiments, in order to improve the stability of the lateral sliding of the worm storage side plate 3, second wedge-shaped sliding grooves 12 are formed on both sides of the middle part of the upper surface of the base plate 1.

[0085] The third wedge-shaped sliding block 16 is slidably connected in the corresponding second wedge-shaped sliding groove 12, which increases the wedge-shaped sliding block and the matching wedge-shaped sliding groove, making the lateral sliding of the worm storage side plate 3 more stable.

[0086] The third wedge-shaped sliding block 16 is slidably connected in the corresponding second wedge-shaped sliding groove 12, which increases the wedge-shaped sliding block and the matching wedge-shaped sliding groove, making the lateral sliding of the worm storage side plate 3 more stable.

[0087] In some embodiments, in order to facilitate the fixation of the device as a whole, mounting holes 13 are formed at the corners of the upper surface of the base plate 1, and bolts or screws are used to fix the device to the ground or other platforms.

[0088] Working principle:

[0089] In the detection of the engagement degree of the worm and the gear, the worm storage side plate 3 on both sides is slid to the appropriate position, and the worm 4 is stored inside from both sides. The worm 4 is supported by the worm storage side plate 3 on both sides, the movable end of the worm pressing and fixing mechanism 5 is lowered to fix the worm 4 on both sides, the front end of the worm gear inner support fixing piece 9 is sleeved and fixed with the worm gear 10, the worm gear inner support fixing piece 9 and the worm gear 10 are moved up and down by rotating the first screw 8 to drive the connecting block 15, and the engagement degree of the worm and the gear is adjusted to the engagement degree of the worm and the gear. At this time, the engagement degree of the worm and the gear is detected by the micrometer method or the feeler gauge method. In the detection of the self-locking property and the load capacity of the worm and the gear, the worm pressing and fixing mechanism 5 on both sides is removed, the worm storage side plate 3 on both sides is moved outward to support the both ends of the worm, so that the worm 4 can rotate, the worm gear 10 is lowered to engage with the worm 4, the inner threaded cylinder screwed at the rear end of the worm gear inner support fixing piece 9 for fixing the worm gear 10 can rotate on the connecting block 15, so that the worm gear 10 can rotate, and the load is applied or hung on the load rod 11. The self-locking property and the load capacity of the worm and the gear are detected.

[0090] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A worm gear detection device characterized by comprising: Include: The bottom plate (1), the middle part of the upper surface is transversely provided with a first wedge-shaped sliding groove (2); The middle part of the first wedge-shaped sliding groove (2) is slidably connected with a worm receiving side plate (3) on both sides; The worm (4) is received in the worm receiving side plate (3) on both sides; The first wedge-shaped sliding groove (2) is slidably connected with a worm pressing and fixing mechanism (5) at both ends, and the movable end of the worm pressing and fixing mechanism (5) abuts against the same side of the outer wall of the worm (4); The back plate (6) is fixedly connected to the upper surface of the bottom plate (1), and a strip-shaped through hole (7) is longitudinally formed in the middle part of the back plate (6); The connecting block (15) is slidably connected in the strip-shaped through hole (7), and the inner thread cylinder is rotatably connected to the front and rear walls of the connecting block (15); The worm gear inner support fixing part (9) is screwed into the inner thread cylinder of the connecting block (15), the outer wall of the worm gear inner support fixing part (9) is fixedly connected with the worm gear (10), and the worm gear (10) is located above the middle part of the worm (4); The first screw rod (8) is longitudinally screwed on the top surface of the strip-shaped through hole (7), and the lower end of the first screw rod (8) is rotatably connected with the top surface of the connecting block (15); The outer wall of the worm gear inner support fixing part (9) is fixedly connected with the load rod (11).

2. A worm gear detection device according to claim 1, characterized in that The worm gear inner support fixing part (9) comprises: The outer wall of the round rod (91) is provided with an external thread (92); The outer wall of the round rod (91) is provided with an annular groove (94) on the front side; The bottom surface and the top surface of the annular groove (94) are respectively perpendicularly fixed with a micro air cylinder (95), and the outer side of the micro air cylinder (95) is fixedly connected with an arc plate (96); The micro air cylinders (95) on the top and bottom sides are extended to push the arc plate (96) to abut against the inner annular surface of the worm gear (10).

3. A worm gear detection device according to claim 2, wherein The front end of the round rod (91) is sleeved with a fixed nut (93), and the number of the fixed nuts (93) is two; The fixed nuts (93) are screwed on the external thread (92), and the two fixed nuts (93) are respectively located on the front and rear sides of the annular groove (94); The fixed nuts (93) abut against the same side of the outer wall of the worm gear (10).

4. The worm gear detection device according to claim 1, wherein The worm receiving side plate (3) comprises: The bottom surface of the rectangular plate (31) is fixedly connected with a first wedge-shaped sliding block (35) in the middle part, and the first wedge-shaped sliding block (35) is slidably connected in the first wedge-shaped sliding groove (2); The lower end of the left and right side walls of the rectangular plate (31) is provided with a receiving through hole (32).

5. A worm gear detection device according to claim 4, wherein The upper end of the receiving through hole (32) is provided with a longitudinal extension (33), and the front wall of the rectangular plate (31) is provided with an access channel (34) corresponding to the longitudinal extension (33), and the rear end of the access channel (34) is communicated with the longitudinal extension (33).

6. A worm gear detection device according to claim 1, wherein The load rod (11) comprises: One end of the connecting rod (111) is fixedly connected with the outer wall of the worm gear inner support fixing part (9), and the other end of the connecting rod (111) is fixedly connected with a load suspension rod (112).

7. A worm gear detection device according to claim 6, wherein The outer walls of the left and right sides of the load suspension rod (112) are respectively fixedly sleeved with a limiting ring (113); The outer wall of the load suspension rod (112) is coated with an anti-skid layer (14).

8. The worm gear detection device according to claim 1, wherein The worm pressing and fixing mechanism (5) comprises: The lower end of the longitudinal part of the L-shaped plate (51) is fixedly provided with a second wedge-shaped sliding block (52) which is slidingly connected in the first wedge-shaped sliding groove (2); The transverse part of the L-shaped plate (51) faces forward; The upper surface of the transverse part of the L-shaped plate (51) is screwed with a second screw rod (53), and the lower end of the second screw rod (53) is rotatably provided with a pressing plate (54); The rear end of the pressing plate (54) is slidingly attached to the longitudinal part of the L-shaped plate (51), and the bottom surface of the pressing plate (54) is fixedly attached with a rubber layer (55).

9. The worm gear detection device according to claim 1, wherein The front and rear sides of the middle part of the upper surface of the bottom plate (1) are transversely provided with second wedge-shaped sliding grooves (12); The bottom surface of the worm storage side plate (3) is fixedly provided with third wedge-shaped sliding blocks (16) corresponding to the second wedge-shaped sliding grooves (12); The third wedge-shaped sliding blocks (16) are slidingly connected in the corresponding second wedge-shaped sliding grooves (12).

10. The worm gear detection device according to claim 1, wherein The upper surface of the bottom plate (1) is provided with mounting through holes (13) at the corners.

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