Conveying testing device for speed reducer

By designing a conveyor testing device for speed reducers, each worm gear is individually inspected, solving the problem of uneven tooth grooves and thread grooves during worm gear production, and improving inspection efficiency and product qualification rate.

CN121007472APending Publication Date: 2025-11-25CHANGZHOU YOULANDE RIGGING EQUIP CO LTD
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Patent Information

Application Number
CN202511256355.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-04
Publication Date
2025-11-25

AI Technical Summary

Technical Problem

In existing technologies, worm gears and worm shafts have uneven tooth grooves and thread grooves during the production process, which leads to unstable transmission, meshing impact, increased wear, and reduced load-bearing capacity, making them difficult to inspect manually.

Method used

A conveying test device for reducers was designed, including a conveyor frame, a test structure, an upper conveyor and a lower conveyor. By rotating a lead screw, a test plate, an arc plate and a motor drive, the device can perform individual tests on the worm gear and worm shaft to ensure that the tooth grooves and thread grooves meet the standards.

Benefits of technology

This improves the accuracy and efficiency of worm gear inspection, reduces the need for manual inspection, lowers the product defect rate, and ensures the stable operation of worm gears.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of speed reducer testing, in particular to a conveying testing device for a speed reducer, which comprises a conveying frame, a detection structure, an upper conveying part and a lower conveying part, and is characterized in that the conveying frame is provided with a fixed bracket, one side of the fixed bracket is connected with a movable bracket, and one side of the conveying frame is provided with a side frame plate; a middle frame is installed on one side of the side frame plate, and an upper lead screw and a lower lead screw are installed on the conveying frame. According to the scheme, the possibility that parts need to be detected manually is reduced, the problem that products are unqualified due to production flaws of the parts after a speed reducer is assembled is solved, the detection effect of the device on a worm gear and a worm is improved, produced tooth grooves can be detected one by one, the qualification rate of the device is ensured, and the production efficiency is improved. And the detection effect of the device on the worm gear and the worm during operation is improved, and whether problems exist between the worm gear and the worm or not can be distinguished more quickly.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of reducer testing, and particularly relates to a conveying testing device for a reducer. BACKGROUND

[0002] As a core transmission component of a reducer, the quality of a worm gear directly affects the performance and service life of the reducer. Before production, assembly and use, a series of detections need to be performed on the worm gear to ensure the precision, reliability and safety thereof. Therefore, a conveying testing device for a reducer is provided.

[0003] At present, in the production and assembly process of the reducer, a series of problems may exist in the production process of the worm gear, and these problems are difficult to be detected by manual detection: During the production of the worm gear, a plurality of tooth grooves are formed on the outer surface of the worm gear, and the sizes of the tooth grooves may be different during the formation process, which may cause instability during transmission, and may cause meshing impact, too tight or too loose meshing, and may cause accelerated wear and reduced service life of the worm gear; During the production of the worm gear, the thread grooves of the worm gear may also be unevenly formed, and the different sizes of the thread grooves may cause uneven gaps during meshing, affect the overall carrying capacity of the worm gear, and also reduce the self-locking function of the worm gear on the worm gear, and may easily cause shaking; Therefore, a conveying testing device for a reducer is provided. SUMMARY

[0004] The present application aims to solve the problems in the prior art and provides a conveying testing device for a reducer.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: A conveying testing device for a reducer, comprising a conveying frame, a detection structure, an upper conveying member and a lower conveying member, a fixed support is installed on the conveying frame, a movable support is connected to one side of the fixed support, a side frame plate is arranged on one side of the conveying frame, an intermediate frame is installed on one side of the side frame plate, an upper lead screw and a lower lead screw are installed on the conveying frame; The detection structure is installed on the bottom side of the conveying frame, the detection structure comprises an outer shell, a top plate, a detection sheet, a movable table plate and an arc-shaped sheet, the top plate is fixed on the outer shell, the movable table plate is movably connected in the outer shell, the detection sheet is installed on the top surface of the movable table plate, and the arc-shaped sheet is connected to the bottom side of the movable table plate; A descending rod is installed on the intermediate frame, a weight plate is movably connected to the outer side of the descending rod, and an adapter ring is connected to the center position of the weight plate; The upper conveying member is movably connected to the upper lead screw, and comprises a conveying plate, a notch abutting block, a bottom plate, a lifting gear plate, a limiting clamping plate and a test member. The lower conveying member is arranged on the lower lead screw, and one side of the lower conveying member is provided with a front frame plate, one side of the front frame plate is provided with a bevel gear rod, a lifting frame is movably connected to the lower conveying member, a worm is connected to the lifting frame, a bevel gear plate is arranged on one end of the worm, a rotating gear rack is connected to the lifting frame, and a worm wheel is connected to the bottom side of the worm.

[0006] Preferably, vertical plates and two vertical rods are arranged on two sides of the conveying frame respectively, two fixed supports are arranged on the inner side surfaces of the two vertical rods symmetrically, a first frame body is arranged on the top surface of the conveying frame, two movable supports are rotatably connected to the first frame body, the positions of the movable supports correspond to those of the fixed supports, one end of each of the movable supports and the fixed supports is semicircular, and the movable supports and the fixed supports are adapted to each other to form a semicircle, the worm wheel is arranged between the movable supports and the fixed supports, a spring clamping rod is arranged on the bottom side of the first frame body and clamped on the bottom end of the movable support, a driving motor is arranged on the vertical plate, and one end of the bevel gear rod is inserted into the output end of the driving motor.

[0007] Preferably, the intermediate frame is arranged on two sides of the conveying frame, the descending rods are arranged on the bottom surface of the intermediate frame symmetrically, the weight plates are slidably connected to the outer surfaces of the two descending rods, and frictional resistance exists between the two weight plates, the bottom end of the descending rod and the weight plate are spring-connected, the adapting ring is rotatably connected to the weight plate, the adapting groove is arranged in the adapting ring, the adapting groove is adapted to the bevel gear rod, the magnetic blocks are arranged on two ends of the weight plate, the electromagnetic block is arranged on the top surface of the intermediate frame, and the electromagnetic block and the magnetic blocks are magnetically connected.

[0008] Preferably, the top plate is vertically installed with a plurality of limiting rods on the bottom surface, the movable platform is slidably connected to the limiting rods, the bottom surface of the movable platform is installed with a limiting wheel on both sides, one side of the outer shell is provided with a micro motor, the output end of the micro motor is installed with two arc-shaped sheets, the limiting wheels are respectively connected to the arc surfaces of the two arc-shaped sheets, the top surface of the movable platform is installed with two fixed strips, the detection sheets are provided with two, the bottom ends of the two detection sheets are rotatably connected to the two fixed strips, the two detection sheets are spring-connected, the inner walls of the two detection sheets are fixedly installed with guide strips, the movable platform is provided with a center roller penetratingly arranged, the center roller is rotatably connected to the movable platform, the bottom surface of the movable platform is installed with a second motor, the second motor and the bottom end of the center roller are directly belt-connected, the center roller is hollow, a rotating lead screw is threadedly connected in the center roller, the top end of the rotating lead screw is fixedly provided with a transverse rod, the both ends of the transverse rod are spring-connected with extrusion ends, the outer side ends of the extrusion ends are movably connected in the guide strips, and the detection sheets are matched with the slots of the worm wheel.

[0009] Preferably, the conveying plates are provided with two, the bottom plate is arranged on the bottom surface of the two conveying plates, the outer gear rods are symmetrically arranged between the two conveying plates, the both ends of the outer gear rods are installed with lifting toothed discs, the inner gear rods are arranged between the two conveying plates, the inner gear rods are installed with two meshing intermediate toothed sheets, one side of one of the inner gear rods is provided with a lifting motor, the inner gear rods are located between the outer gear rods, the inner gear rods and the corresponding outer gear rods are synchronously connected by belts, the both ends of the conveying plates are provided with grooves, the inner walls on both sides of the grooves are movably connected with limiting clamping plates, the outer side ends of the limiting clamping plates are rotatably connected with notched abutting blocks, the notched abutting blocks are installed on the conveying plates, and the bottom surface of one of the conveying plates is further installed with an adjusting motor.

[0010] Preferably, the test piece comprises a top block, a scraping sheet, a detection frame and a mounting frame, the top block is slidably connected to the outer surface of the guide roller, a certain frictional resistance exists between the two, and springs are attached to the outer surfaces of the both sides of the guide roller, the scraping sheet is in the form of a sheet, a plurality of scraping sheets are fixed to the bottom surface of the top block, the detection frame is arranged between the bottom surfaces of the two corresponding scraping sheets, a transverse plate is arranged between the top surfaces of the detection frame, the detection frame and the corresponding scraping sheets are provided with detection grooves, the mounting frame is arranged on the bottom side of the transverse plate, the mounting frame is matched with the shapes of the scraping sheets and the detection frame, a plurality of detection probes are arranged on the outer surface of the mounting frame and connected to the detection grooves, the scraping sheets and the detection frame are matched with the shape of the worm, and the detection probes are connected to the outer surface of the worm, and the output end of the adjusting motor is installed with a driving helical tooth, and the driving helical tooth is matched with the helical tooth disc.

[0011] Preferably, the lower conveying member comprises adjusting supports, movable racks and rotating rollers, the two adjusting supports are connected to the outer surface of the lower lead screw, the outer side of the adjusting support is fixed with a sliding roller, the sliding rollers are rotatably connected with an intermediate lead screw, the outer side of the sliding roller and the intermediate lead screw is connected with a movable rack, the bottom end of the movable rack is rotatably connected with a rotating roller, the rotating roller is internally mounted with a screw clamp, the two ends of the worm gear are connected in the rotating roller, the rear side of one of the rotating rollers is mounted with a driving tooth piece, the side frame plate is mounted with a first motor, the output end of the first motor is mounted with a synchronous rotating rod, the synchronous rotating rod is slidably connected with a movable tooth piece, the movable tooth piece and the driving tooth piece are meshed with each other, the outer surface of the synchronous rotating rod is further provided with a rubber contact ring.

[0012] Preferably, the side of the adjusting support is mounted with a front rack plate, the front rack plates are rotatably connected with a rotating frame, the two ends of the rotating frame are provided with cross grooves, the front rack plate is rotatably connected with a clamping strip, the clamping strip is clamped in the cross groove, the center position of the rotating frame is further rotatably connected with an inner ring, the bevel gear rod is inserted in the inner ring, and the bevel gear rod and the bevel gear plate are matched with each other.

[0013] Preferably, the top surface of the adjusting support is mounted with an electromagnetic bottom disc, the lifting frame is arranged between the electromagnetic bottom discs and is magnetically connected, the center position of the lifting frame is rotatably connected with an inner shaft ring, the inner shaft ring is connected to the outer side of the worm, the worm is rotatably connected in the lifting frame, the outer side of the lifting frame is mounted with a rotating rack, the two sides of the rotating rack are provided with stable grooves, the limiting clamping plate is connected in the stable groove, the rotating rack and the lifting gear plate are meshed with each other, the lifting frame is further mounted with a positioning box, the positioning box is adjustably connected with a positioning bolt, and the positioning bolt is inserted in the rotating rack. The beneficial effects of the present application are: The detection structure can detect the tooth grooves in the worm gear one by one, the extension length of the rotating lead screw cooperates with the opening amplitude of the detection piece to detect whether the tooth groove meets the standard size, and the rotation of the arc-shaped piece can realize the continuous up-down lifting of the detection piece to avoid collision in the process of switching the detection tooth groove position. The lower conveying member can support the worm gear and cooperate with the first motor to rotate the worm gear, the rotating frame can adjust the position of the bevel gear rod, and the downward movement of the matching ring can directly detect whether the bevel gear rod is deformed. The upper conveying member can complete the lifting of the worm, the test piece can detect the thread groove of the worm by a probe, and the adjusting motor can drive the worm to rotate to realize multi-angle testing of the worm. The electromagnetic bottom disc can position the position of the worm, and the driving motor can realize the meshing rotation of the worm gear, the worm and the bevel gear rod after installation.

[0014] The scheme reduces the possibility of manual detection of parts, reduces the product unqualified problem caused by the production defects of parts after the assembly of the speed reducer, improves the detection effect of the device on the worm and the worm gear, can detect the produced gear slot one by one, ensures the qualified rate of the device, and improves the detection effect of the device on the worm and the worm gear during operation, and can more quickly distinguish whether there is a problem between the worm and the worm gear. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 2 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 3 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 4 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 5 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 6 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 7 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 8 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 9 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 10 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 11 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 12 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 13 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 14 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 15 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 16 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 17 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 16 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 18 A structure diagram of a conveying and testing device for a speed reducer is provided; Figure 16 A structure diagram of a conveying and testing device for a speed reducer is provided; A structure diagram of a conveying and testing device for a speed reducer is provided;Figure 19 Structure diagram of the weight plate and the adapter ring part; Figure 20 Structure diagram of the bevel gear rod, the bevel gear plate, the worm wheel and the worm part when connected.

[0016] In the figure: 1, conveying frame; 11, fixed support; 111, spring clamping rod; 12, movable support; 13, lower lead screw; 14, upper lead screw; 15, middle frame; 151, descending rod; 152, weight plate; 153, adapter ring; 154, magnetic block; 16, driving motor; 17, side frame plate; 171, first motor; 172, movable toothed piece; 2, upper conveying piece; 21, conveying plate; 22, limiting clamping plate; 23, notch abutting block; 24, lifting gear plate; 25, lifting motor; 26, middle toothed piece; 27, bottom plate; 271, guide roller; 28, test piece; 281, top block; 282, scraping piece; 283, detection frame; 284, mounting frame; 285, detection probe; 29, adjusting motor; 3, detection structure; 31, top plate; 32, micro motor; 33, arc-shaped piece; 34, detection piece; 341, fixed strip; 342, guide strip; 343, rotating lead screw; 344, second motor; 345, extrusion end; 35, movable table plate; 36, limiting wheel; 37, limiting rod; 4, lower conveying piece; 41, adjusting support; 42, electromagnetic bottom plate; 43, rotating roller; 431, screw clamping piece; 44, movable frame; 45, driving toothed piece; 46, middle lead screw; 5, front frame plate; 51, clamping strip; 52, rotating frame; 6, worm wheel; 61, worm; 62, bevel gear plate; 63, rotating rack; 64, positioning box; 65, positioning bolt; 66, lifting frame; 67, bevel gear rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0018] Embodiment 1: Refer to Figures 1-12 A conveying and testing device for a speed reducer, comprising a conveying frame 1, a detection structure 3, an upper conveying piece 2 and a lower conveying piece 4, the conveying frame 1 is provided with a fixed support 11, one side of the fixed support 11 is connected with a movable support 12, one side of the conveying frame 1 is provided with a side frame plate 17, one side of the side frame plate 17 is provided with a middle frame 15, and the conveying frame 1 is provided with an upper lead screw 14 and a lower lead screw 13; The detection structure 3 is installed on the bottom side of the conveying frame 1, and the detection structure 3 comprises an outer shell, a top plate 31, a detection sheet 34, a movable table plate 35 and an arc-shaped sheet 33, the top plate 31 is fixed on the outer shell, the movable table plate 35 is movably connected in the outer shell, the detection sheet 34 is installed on the top surface of the movable table plate 35, and the arc-shaped sheet 33 is connected to the bottom side of the movable table plate 35; The intermediate frame 15 is provided with a descending rod 151, the outer side of the descending rod 151 is movably connected with a weight plate 152, and the center position of the weight plate 152 is connected with an adapter ring 153; The upper conveying part 2 is movably connected to the upper lead screw 14, and the upper conveying part 2 comprises a conveying plate 21, a notch abutting block 23, a bottom plate 27, a lifting gear disc 24, a limiting clamping plate 22 and a testing part 28, the bottom plate 27 is fixed on the bottom surface of the conveying plate 21, the lifting gear disc 24 is installed on the top surface of the conveying plate 21, the bottom side of the bottom plate 27 is provided with a guide roller 271, and the testing part 28 is movably connected to the guide roller 271; The lower conveying part 4 is arranged on the lower lead screw 13, one side of the lower conveying part 4 is provided with a front frame plate 5, one side of the front frame plate 5 is provided with a bevel gear rod 67, the lower conveying part 4 is movably connected with a lifting frame 66, the lifting frame 66 is connected with a worm 61, one end of the worm 61 is provided with a bevel gear disc 62, the lifting frame 66 is connected with a rotating rack 63, and the bottom side of the worm 61 is connected with the worm wheel 6.

[0019] Specifically, the conveying frame 1 is provided with a vertical plate and two vertical rods on the two sides, respectively, the fixed support 11 is provided with two, which are symmetrically arranged on the inner side surfaces of the two vertical rods, the top surface of the conveying frame 1 is provided with a first frame body, which acts on the rotary support of the movable support 12, the first frame body is rotatably connected with two movable supports 12, the positions of the movable supports 12 correspond to those of the fixed support 11, and the movable supports 12 and the fixed support 11 are both semicircular in shape, and the two are matched with each other to form a semicircle, the two ends of the worm wheel 6 are arranged between the two to facilitate the feeding of parts, the bottom side of the first frame body is vertically provided with a spring clamping rod 111, the spring clamping rod 111 is clamped on the bottom end of the movable support 12 and acts on the vertical support of the movable support 12, so as to ensure that the movable support 12 vertically supports the worm wheel 6, the vertical plate is provided with a driving motor 16, one end of the bevel gear rod 67 is inserted into the output end of the driving motor 16 and acts on the horizontal rotation of the bevel gear rod 67, the upper lead screw 14 is arranged between the vertical rod and the intermediate frame 15, and the lower lead screw 13 is arranged between the vertical rod and the vertical plate.

[0020] Further, the conveying plates 21 are provided with two, the bottom plate 27 is arranged on the bottom surface of the two conveying plates 21, and the outer gear rods are symmetrically arranged between the two conveying plates 21, and the lifting gear plates 24 are installed on both ends of the outer gear rods to act on the up and down lifting of the worm 61. The inner gear rods are also arranged between the two conveying plates 21, and the two meshing intermediate tooth plates 26 are installed between the inner gear rods. One side of one of the inner gear rods is provided with a lifting motor 25, and the inner gear rods are located between the outer gear rods. The inner gear rods and the corresponding outer gear rods are connected by synchronous belts to realize the effect of simultaneous rotation of the two lifting gear plates 24 and achieve the effect of stable lifting. The two ends of the conveying plates 21 are provided with grooves, and the inner walls on both sides of the grooves are movably connected with limit clamping plates 22. The outer side of the limit clamping plate 22 is rotatably connected with a notched abutting block 23 acting on the abutment of the limit clamping plate 22. The notched abutting block 23 is provided with a vertical notch on the outer surface of the notched abutting block 23, which can conveniently retract the limit clamping plate 22 backward. The notched abutting block 23 is installed on the conveying plate 21. The bottom surface of one of the conveying plates 21 is also provided with an adjusting motor 29 acting on the rotation adjustment of the worm 61.

[0021] Moreover, the test piece 28 comprises a top block 281, a scraping piece 282, a detection frame 283 and a mounting frame 284. The top block 281 is slidably connected to the outer surface of the guide roller 271, and there is a certain frictional resistance between the two, which can reduce the possibility of the top block 281 moving left and right at will. Springs are attached to the outer surfaces on both sides of the guide roller 271 to position the test piece 28 and reduce the occurrence of position deviation. The scraping piece 282 is in the shape of a sheet and is used to scrape off impurities on the outer surface of the worm 61 in advance. The scraping piece 282 is provided with multiple, which are fixed on the bottom surface of the top block 281. The detection frame 283 is arranged between the bottom surfaces of the two corresponding scraping pieces 282, and a horizontal plate is arranged between the top surfaces thereof. The detection frame 283 and the corresponding scraping piece 282 are provided with a detection groove. The mounting frame 284 is arranged on the bottom side of the horizontal plate, and the shape of the mounting frame 284 is matched with that of the scraping piece 282 and the detection frame 283. A plurality of detection probes 285 are arranged on the outer surface of the mounting frame 284. The probe end of the detection probe 285 is connected to the detection groove. The shape of the scraping piece 282 and the detection frame 283 is matched with that of the worm 61. Under the rotation of the worm 61, the test piece 28 can move forward and backward to detect the thread surface of the worm 61. When there is a deformation, the spring pressure in the detection probe 285 will change, thereby judging the condition of the thread surface of the worm 61. The output end of the adjusting motor 29 is provided with a driving helical gear, and the driving helical gear is matched with the helical gear plate 62.

[0022] Finally, the lower conveying member 4 comprises adjusting supports 41, movable frames 44 and rotating rollers 43, the adjusting supports 41 are provided with two, and the two adjusting supports 41 are connected to the outer surface of the lower lead screw 13, the outer side of the adjusting support 41 is fixed with a sliding roller, and the sliding rollers are rotationally connected with a middle lead screw 46 acting on the front and back positions of the adjusting movable frame 44 to realize the clamping effect of the two ends of the worm gear 6, the outer side of the sliding roller and the middle lead screw 46 is connected with the movable frame 44, the bottom end of the movable frame 44 is rotationally connected with the rotating roller 43, the rotating roller 43 is internally mounted with a screw clamp 431, and the two ends of the worm gear 6 are connected in the rotating roller 43, the rear side of one of the rotating rollers 43 is mounted with a driving tooth piece 45, the side frame plate 17 is mounted with a first motor 171, the output end of the first motor 171 is mounted with a synchronous rotating rod, the synchronous rotating rod is mounted with a convex strip to prevent the movable tooth piece 172 from rotating, the synchronous rotating rod is slidably connected with the movable tooth piece 172 to facilitate the adjustment of the position and the meshing of the driving tooth piece 45, the movable tooth piece 172 and the driving tooth piece 45 are meshed with each other, and the outer surface of the synchronous rotating rod is further provided with a rubber contact ring acting on the position limiting of the driving tooth piece 45.

[0023] In the embodiment, one side of the adjusting support 41 is mounted with a front frame plate 5, the front frame plates 5 are rotationally connected with a rotating frame 52, the two ends of the rotating frame 52 are provided with cross grooves, the front frame plate 5 is rotationally connected with a clamping strip 51, the clamping strip 51 is clamped in the cross groove and acts on the rotational positioning of the helical gear rod 67, the area can be replaced by a motor, the center position of the rotating frame 52 is further rotationally connected with an inner ring, the helical gear rod 67 is inserted into the inner ring, the inner ring is provided with a rubber contact ring which tightly wraps the helical gear rod 67 to avoid falling off, and the helical gear rod 67 is matched with the helical gear disc 62.

[0024] The top surface of the adjusting support 41 is mounted with an electromagnetic bottom disc 42, and the lifting frame 66 is arranged between the electromagnetic bottom discs 42 and is magnetically connected therebetween to position the lifting frame 66 and avoid unstable contact between the worm gear 6 and the worm 61, the center position of the lifting frame 66 is rotationally connected with an inner shaft ring, the inner shaft ring is connected to the outer side of the worm 61 to always keep the worm 61 rotatable, the worm 61 is rotationally connected in the lifting frame 66, the outer side of the lifting frame 66 is mounted with a rotating rack 63, the two sides of the rotating rack 63 are provided with stable grooves, the limiting clamping plate 22 is connected in the stable groove to avoid shaking during lifting, the rotating rack 63 is meshed with the lifting gear disc 24, the lifting frame 66 is further mounted with a positioning box 64, and the positioning box 64 is adjustably connected with a positioning bolt 65, and the positioning bolt 65 is inserted into the rotating rack 63.

[0025] Working principle: the worm wheel 6 is placed on the fixed support 11 and the movable support 12, the lower lead screw 13 is controlled to move, the lower conveying part 4 is moved to the outside of the worm wheel 6, then the middle lead screw 46 on both sides is rotated, the movable frame 44 is clamped to the middle, the rotating roller 43 is sleeved on both ends of the worm wheel 6, then the screw clamp 431 is adjusted, both ends of the worm wheel 6 are fixed and clamped, then the worm 61 with the lifting frame 66 installed is placed on the worm wheel 6, so that the two are adaptively connected, and the lifting frame 66 is placed on the electromagnetic bottom plate 42; The upper lead screw 14 is controlled to rotate, the upper conveying part 2 is moved to the specified position, the rotating rack 63 on both sides is turned up, the limiting clamping plate 22 is clamped to the middle after turning up, and is clamped on both sides of the rotating rack 63, at this time, the rotating rack 63 and the lifting gear plate 24 are engaged, then the positioning bolt 65 is pushed outwards, and is inserted into the rotating rack 63 for positioning, then the lifting motor 25 is controlled to rotate, the middle toothed sheets 26 are engaged with each other, under the driving of the belt, the lifting gear plate 24 rotates, the rotating rack 63 starts to move upwards, the worm 61 moves to the specified position, the helical gear plate 62 is engaged with the driving helical gear, the worm 61 contacts the bottom side of the test piece 28, at this time, the detection probe 285 contacts the outer surface of the worm 61, whether the probe spring pressure value is in the normal range is observed, if there is deviation, whether the connection position is normal is observed, if there is no deviation, it indicates that there is a problem in the area, then the adjusting motor 29 is controlled to rotate in the forward and reverse directions intermittently, the worm 61 rotates, in the process of rotation, the test piece 28 moves forward and backward under the driving of the worm 61, in the process of movement, the test piece 28 fully contacts the threaded surface of the worm 61, in the process of contact, testing is continuously carried out, when the detection pressure exceeds a certain range, it is recorded, after the adjusting motor 29 completes the rotation in the forward and reverse directions, the worm 61 returns to the initial rotating position, and the test piece 28 returns to the specified position.

[0026] Embodiment 2: Refer to Figures 13-18 On the basis of embodiment 1, the following technical solutions are further provided: The bottom surface of the top plate 31 is vertically provided with a plurality of limiting rods 37, and the movable table plate 35 is slidably connected to the limiting rods 37. The bottom surface of both sides of the movable table plate 35 is provided with a limiting wheel 36. One side of the outer shell is provided with a micro motor 32, and the output end of the micro motor 32 is provided with two arc-shaped sheets 33. The limiting wheels 36 are respectively connected to the arc surfaces of the two arc-shaped sheets 33, and the limiting wheels 36 can rotate with the arc of the arc-shaped sheets 33, so as to realize the up-down adjustment effect of the movable table plate 35. The top surface of the movable table plate 35 is provided with two fixed strips 341, and the detection sheet 34 is provided with two. The bottom ends of the two detection sheets 34 are rotatably connected to the two fixed strips 341, and the detection sheet 34 is smoothly closed and opened. The two detection sheets 34 are spring-connected, and the detection sheet 34 will continuously maintain the closed state under the action of the spring. The inner wall surface of the two detection sheets 34 is fixedly provided with a guide strip 342. The movable table plate 35 is provided with a center roller penetratingly arranged thereon. The center roller is rotatably connected to the movable table plate 35 and acts on the controllable up-down rotation of the rotating lead screw 343. The bottom surface of the movable table plate 35 is provided with a second motor 344. The second motor 344 and the bottom end of the center roller are directly connected by a belt. The center roller is hollow and is screw-connected with the rotating lead screw 343. The top end of the rotating lead screw 343 is fixedly provided with a transverse rod. The two ends of the transverse rod are spring-connected with extrusion end heads 345, which can compress the extrusion end heads 345 according to the inner wall shape of the detection sheet 34. When the compression is limited, the cooperation of the transverse rod and the extrusion end head 345 can outwardly expand the detection sheet 34. The outer side of the extrusion end head 345 is movably connected to the guide strip 342, which acts on the limiting of the rotating lead screw 343 to avoid self-rotation. The detection sheet 34 is matched with the notch of the worm wheel 6, and whether the tooth groove in the worm wheel 6 meets the standard is determined according to the opening degree of the rotating lead screw 343 and the detection sheet 34.

[0027] Working principle: when the worm 61 is detected, the lower lead screw 13 is controlled to rotate, and the adjusting bracket 41 moves the worm wheel 6 forward. Under the constant thrust, the spring clamp rod 111 is retracted, the movable bracket 12 is tilted forward, the worm wheel 6 is moved to the upper side of the detection structure 3, the movable tooth piece 172 is pushed forward to engage with the driving tooth piece 45, then the position of the movable tooth piece 172 is limited, and then the first motor 171 is controlled to rotate, and the tooth groove of one of the worm wheels 6 is downward; Then control the micro motor 32 to rotate, the arc piece 33 will rotate, the movable platform 35 will extend upwards during the rotation, the detection piece 34 will move into the corresponding tooth groove, at this time, the detection piece 34 is in a closed state under the action of the spring, then control the second motor 344 at the bottom to rotate, drive the center roller to rotate, the rotating screw rod 343 and the extrusion end 345 will move upwards along the guide bar 342, during the movement, the extrusion end 345 will continuously extrude towards the middle, the detection piece 34 will be extruded by the extrusion end 345 and opened to both sides, until the detection piece 34 is in contact with the inner wall of the tooth groove and is limited, at this time, whether the size of the tooth groove meets the standard is judged according to the opening amplitude of the detection piece 34 and the extension distance of the rotating screw rod 343, after completion, control the micro motor 32 to rotate reversely, the movable platform 35 will move downwards, the detection piece 34 will move to the bottom side of the top plate 31, then control the first motor 171 to rotate slightly, move the position of the next tooth groove to the detection position, then repeat the above operation to detect the next tooth groove, until the tooth grooves of the ring surface are detected, record the tooth grooves with problems during the detection.

[0028] Embodiment 3: With reference to Figure 19 On the basis of embodiment 2, the following technical schemes are further provided: The two ends of the intermediate frame 15 are arranged on the two sides of the conveying frame 1, the two descending rods 151 are symmetrically installed on the bottom surface of the intermediate frame 15, the weight plate 152 is slidingly connected to the outer surfaces of the two descending rods 151, and there is frictional resistance between the two, the weight plate 152 has a certain self-weight, cooperates with the frictional force of the descending rods 151 and the elastic force of the spring, and can slow down the direct descending of the weight plate 152, the bottom end of the descending rod 151 is spring-connected with the weight plate 152, the adaptive ring 153 is rotationally connected in the weight plate 152, the adaptive ring 153 is internally provided with an adaptive groove, the adaptive groove is adapted with the helical rack 67, the two ends of the weight plate 152 are both provided with the magnetic block 154, and the top surface of the intermediate frame 15 is provided with the electromagnetic block, the electromagnetic block and the magnetic block 154 are magnetically connected and act on the positioning of the weight plate 152.

[0029] Working principle: in the process of detecting the worm wheel 6, the helical rack 67 can be inserted into the inner ring, at this time the helical rack 67 is in a vertical state, the electromagnetic block is controlled to lose power, under the gravity of the weight plate 152, it will start to move downward, in the process of movement, due to the frictional resistance and the elastic force of the spring, the weight plate 152 will descend at a constant speed, after descending to the bottom side, the adapter ring 153 will contact the helical rack 67, at this time the bottom surface of the adapter ring 153 and the top end of the helical rack 67 are adjusted to the adaptive state, under the influence of the weight plate 152, the adapter ring 153 will continue to move downward, the adapter ring 153 will rotate with the helical rack 67 until it completely covers the outer surface of the top end of the helical rack 67, at this time it indicates that the helical rack 67 does not exist deformation condition, the adapter ring 153 stops after descending a part of distance, then it indicates that the helical rack 67 exists deformation condition.

[0030] Embodiment 4: Refer to Figure 20 On the basis of embodiment 3, the following technical solutions are further provided: Working principle: when all the detections are completed and there is no problem in detection, the lifting motor 25 is controlled to rotate, so that the lifting frame 66 is placed back on the electromagnetic bottom disc 42 and is magnetically connected, at this time the worm wheel 6 and the worm gear 61 are adapted to each other, the rotary racks 63 on both sides are turned down to restore the initial state, the descending rod 151 is reset, the rotating frame 52 is adjusted, the helical rack 67 is rotated by ninety degrees to a horizontal state, at this time the helical rack 67 is adapted to engage with the helical disc 62, then the lead screw 13 is controlled to move again, the adjusting support 41 is moved forward, the worm wheel 6, the worm gear 61 and the helical rack 67 move forward at the same time, until they are inserted into the output end of the driving motor 16, the driving motor 16 is controlled to rotate, the worm wheel 6, the worm gear 61 and the helical rack 67 rotate synchronously, in the process of rotation, whether the teeth are adapted and whether there is noise phenomenon are observed, finally the detection conclusion is obtained, and the next group of tests is carried out.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] The standard parts used in the application can be purchased from the market, the special-shaped parts can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0033] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A conveying test device for a speed reducer, characterized in that, include: A conveyor frame (1) is provided with a fixed bracket (11) and a movable bracket (12) is connected to one side of the fixed bracket (11). A side frame plate (17) is provided on one side of the conveyor frame (1) and an intermediate frame (15) is provided on one side of the side frame plate (17). An upper lead screw (14) and a lower lead screw (13) are provided on the conveyor frame (1). The detection structure (3) is installed on the bottom side of the conveyor frame (1). The detection structure (3) includes an outer shell, a top plate (31), a detection plate (34), a movable platform (35), and an arc-shaped plate (33). The top plate (31) is fixed on the outer shell, the movable platform (35) is movably connected to the outer shell, the detection plate (34) is installed on the top surface of the movable platform (35), and the arc-shaped plate (33) is connected to the bottom side of the movable platform (35). A descending rod (151) is installed on the intermediate frame (15). A weight plate (152) is movably connected to the outside of the descending rod (151). An adapter ring (153) is connected to the center of the weight plate (152). The upper conveyor (2) is movably connected to the upper lead screw (14). The upper conveyor (2) includes a conveyor plate (21), a notch contact block (23), a base plate (27), a lifting gear plate (24), a limiting plate (22), and a test piece (28). The base plate (27) is fixed on the bottom surface of the conveyor plate (21), the lifting gear plate (24) is installed on the top surface of the conveyor plate (21), and a guide roller (271) is provided on the bottom side of the base plate (27). The test piece (28) is movably connected to the guide roller (271). The lower conveyor (4) is mounted on the lower lead screw (13). A front frame plate (5) is installed on one side of the lower conveyor (4). A helical gear (67) is provided on one side of the front frame plate (5). A lifting frame (66) is movably connected to the lower conveyor (4). A worm gear (61) is connected inside the lifting frame (66). A helical gear plate (62) is installed on one end of the worm gear (61). A rotating rack (63) is connected to the lifting frame (66). A worm wheel (6) is connected to the bottom side of the worm gear (61).

2. The conveying test device for a speed reducer according to claim 1, characterized in that, Vertical plates and two vertical rods are installed on both sides of the conveyor frame (1). Two fixed brackets (11) are provided and are symmetrically installed on the inner side of the two vertical rods. A first frame is installed on the top surface of the conveyor frame (1). Two movable brackets (12) are rotatably connected on the first frame. The movable brackets (12) and the fixed brackets (11) are positioned opposite each other. One end of the movable brackets (12) and the fixed brackets (11) are both semi-arc-shaped and are adapted to each other to form a semi-circle. The worm gear (6) is installed between the two. A spring clip (111) is installed on the conveyor frame (1) on the bottom side of the first frame. The spring clip (111) is locked on the bottom end of the movable bracket (12). A drive motor (16) is installed on the vertical plate. One end of the helical gear (67) is inserted into the output end of the drive motor (16).

3. The conveying test device for a speed reducer according to claim 1, characterized in that, The two ends of the intermediate frame (15) are mounted on both sides of the conveyor frame (1). There are two descending rods (151), which are symmetrically installed on the bottom surface of the intermediate frame (15). The weight plate (152) is slidably connected to the outer surface of the two descending rods (151), and there is frictional resistance between them. The bottom end of the descending rod (151) and the weight plate (152) are connected by a spring. The adapter ring (153) is rotatably connected inside the weight plate (152). An adapter groove is opened in the adapter ring (153). The adapter groove is adapted to the helical tooth rod (67). Magnetic blocks (154) are installed on both ends of the weight plate (152). An electromagnetic block is installed on the top surface of the intermediate frame (15). The electromagnetic block and the magnetic block (154) are magnetically connected.

4. The conveying test device for a speed reducer according to claim 1, characterized in that, Multiple limiting rods (37) are vertically installed on the bottom surface of the top plate (31). The movable platform (35) is slidably connected to the limiting rods (37). Limiting wheels (36) are installed on the bottom surfaces of both sides of the movable platform (35). A micro motor (32) is provided on one side of the outer shell. Two arc-shaped pieces (33) are installed on the output end of the micro motor (32). The limiting wheels (36) are respectively connected to the arc surfaces of the two arc-shaped pieces (33). Two fixing strips (341) are installed on the top surface of the movable platform (35). Two detection pieces (34) are provided. The bottom ends of the two detection pieces (34) are rotatably connected to the two fixing strips (341). The two detection pieces (34) are elastically connected to each other. The two detection plates (34) are connected by springs, and guide strips (342) are fixedly installed on the inner wall surface of the two detection plates (34). A central roller is installed through the movable platform (35), and the central roller is rotatably connected inside the movable platform (35). A second motor (344) is installed on the bottom surface of the movable platform (35). The second motor (344) and the bottom end of the central roller are directly connected by a belt. The central roller is hollow and has a rotating screw (343) connected to its internal thread. A transverse rod is fixed on the top of the rotating screw (343). Both ends of the transverse rod are spring-connected to extrusion ends (345). The outer end of the extrusion end (345) is movably connected inside the guide strip (342). The detection plate (34) is adapted to the groove of the worm gear (6).

5. The conveying test device for a speed reducer according to claim 1, characterized in that, Two conveyor plates (21) are provided. The base plate (27) is mounted on the bottom surface of the two conveyor plates (21). External gear rods are symmetrically mounted between the two conveyor plates (21). Lifting gear discs (24) are installed on both ends of the external gear rods. An internal gear rod is also mounted between the two conveyor plates (21). Two meshing intermediate gear pieces (26) are installed between the internal gear rods. A lifting motor (25) is provided on one side of one of the internal gear rods. The internal gear rod is located between the external gear rods. The internal gear rod and the corresponding external gear rod are connected by a synchronous belt. Grooves are provided on both ends of the conveyor plates (21). Limiting plates (22) are movably connected to the inner walls on both sides of the grooves. Notch abutment blocks (23) are rotatably connected to the outer ends of the limiting plates (22). Notch abutment blocks (23) are installed on the conveyor plates (21). An adjusting motor (29) is also installed on the bottom surface of one of the conveyor plates (21).

6. The conveying test device for a speed reducer according to claim 5, characterized in that, The test piece (28) includes a top block (281), a scraper (282), a testing frame (283), and a mounting frame (284). The top block (281) is slidably connected to the outer surface of the guide roller (271), and there is a certain frictional resistance between them. Springs are attached to the outer surfaces of both sides of the guide roller (271). The scraper (282) is thin and there are multiple scrapers (282), all of which are fixed on the bottom surface of the top block (281). A testing frame (283) is mounted between the bottom surfaces of two corresponding scrapers (282), and a transverse plate is mounted between their top surfaces. The testing frame (283) and the corresponding scraper (284) are mounted together. A detection groove is provided on 282), and a mounting bracket (284) is set on the bottom side of the transverse plate. The shape of the mounting bracket (284) is adapted to the shape of the scraper (282) and the detection bracket (283). Multiple detection probes (285) are arranged on the outer surface of the mounting bracket (284). The detection probes (285) are connected in the detection groove. The shape of the scraper (282) and the detection bracket (283) is adapted to the shape of the worm (61). The detection probes (285) are connected to the outer surface of the worm (61). A drive helical gear is installed on the output end of the regulating motor (29). The drive helical gear is adapted to the helical gear disk (62).

7. The conveying test device for a speed reducer according to claim 1, characterized in that, The lower conveyor (4) includes an adjusting bracket (41), a movable frame (44), and a rotating roller (43). Two adjusting brackets (41) are provided, each connected to the outer surface of the lower lead screw (13). Sliding rollers are fixed to the outer surfaces of each adjusting bracket (41), and a middle lead screw (46) is rotatably connected between the sliding rollers. The outer surfaces of both the sliding rollers and the middle lead screw (46) are connected to the movable frame (44). A rotating roller (43) is rotatably connected to the bottom end of each movable frame (44). 3) Each of the inner screw clamps (431) is installed. The two ends of the worm gear (6) are connected to the inside of the roller (43). A drive tooth (45) is installed on the rear side of one of the rollers (43). A first motor (171) is installed on the side frame plate (17). A synchronous rotating rod is installed on the output end of the first motor (171). A movable tooth (172) is slidably connected on the synchronous rotating rod. The movable tooth (172) and the drive tooth (45) mesh with each other. A rubber abutment ring is also provided on the outer surface of the synchronous rotating rod.

8. A conveying test device for a speed reducer according to claim 7, characterized in that, A front frame plate (5) is installed on one side of the adjusting bracket (41). A rotating frame (52) is rotatably connected between the front frame plates (5). A cross groove is opened on both ends of the rotating frame (52). A locking strip (51) is rotatably connected to the front frame plate (5). The locking strip (51) is locked in the cross groove. An inner ring is also rotatably connected to the center of the rotating frame (52). The helical toothed rod (67) is inserted into the inner ring. The helical toothed rod (67) and the helical toothed disc (62) are mutually adapted.

9. A conveying test device for a speed reducer according to claim 1, characterized in that, Electromagnetic chassis (42) are installed on the top surface of the adjusting bracket (41). The lifting frame (66) is mounted between the electromagnetic chassis (42) and the two are magnetically connected. An inner shaft ring is rotatably connected to the center of the lifting frame (66). The inner shaft ring is connected to the outside of the worm (61). The worm (61) is rotatably connected inside the lifting frame (66). A rotating rack (63) is installed on the outer end of the lifting frame (66). Stable grooves are opened on both sides of the rotating rack (63). The limiting plate (22) is connected in the stable groove. The rotating rack (63) meshes with the lifting gear plate (24). A positioning box (64) is also installed on the lifting frame (66). A positioning bolt (65) is adjustablely connected inside the positioning box (64). The positioning bolt (65) is inserted into the rotating rack (63).