Precise gear shaft torque detection device

Abstract

The utility model discloses a precision gear shaft torque detection device, which comprises a supporting seat, the supporting seat is connected with a detection piece used for precision gear shaft torque detection, the detection piece comprises a gear sleeve assembly and a rotating frame installed in the middle of the upper side of the supporting seat, the gear sleeve assembly comprises a rotating frame rotationally connected to the middle of the upper side of the supporting seat, and the rotating frame is connected with the supporting seat. A gear sleeve body used for storing precise gear shafts of corresponding sizes is connected into the rotating frame in a sliding mode. And the torque sensor is arranged on the supporting seat and is used for detecting the torque of the rotating frame. According to the precise gear shaft torque detection device, a gear sleeve body of a corresponding size is inserted into a rotating frame through a positioning block, the positioning block is inserted into a square piece, butt joint of the positioning block and the gear sleeve body is achieved, the side face of a locking block is locked through a second bolt, follow-up falling of the gear sleeve body is prevented, and in the follow-up rotating process of the rotating frame, the gear sleeve body is prevented from falling off. And the square sheet bears a certain axial force.

Description

TECHNICAL FIELD

[0001] The utility model relates to precision gear shaft torque detection technical field, concretely is a kind of precision gear shaft torque detection device. BACKGROUND

[0002] After precision gear shaft single piece welding, whether it reaches product drawing requirement needs to be detected by torque detection device, reference authorized announcement No.CN219104331U's a kind of for gear shaft single piece welding torque strength detection's tooling, it includes input shaft, connecting tooth cover, connecting sleeve, output flange four components, input torque is connected by input shaft and gearbox assembly static torsion test bench, with simple structure, it is easy to operate, by replacing part spare parts can be adapted to different gear shaft single piece and carry out welding torque strength detection, as described in the above patent, when using existing precision gear shaft torque detection device, most need to use flange plate to install the sleeve of corresponding size for installing gear shaft in driving end and brake end, its operation is more complex, affect detection efficiency, and the device is difficult to adjust driving end and brake end position according to the length of gear shaft to be detected, affect device adaptability. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a kind of precision gear shaft torque detection device, solve the problems, such as the complex sleeve installation mode in device, driving end and brake end are difficult to adjust according to the length of gear shaft, affect device use efficiency.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a kind of precision gear shaft torque detection device, including support base, the support base is connected for the detection of precision gear shaft torque Detection piece, the detection piece includes:

[0005] Tooth cover assembly, install in support base upper side middle part for providing positioning and support for precision gear shaft, the tooth cover assembly includes rotation frame connected in support base upper side middle part, the rotation frame, the rotation frame is slidably connected with tooth cover main body for storing corresponding size precision gear shaft in it;

[0006] Torque sensor, set up on support base for detecting rotation frame torque;

[0007] Gear shaft main body, slidably connected in tooth cover main body;

[0008] Adjusting piece, set up on support base for adjusting driving end and brake end position, the adjusting piece includes motor for providing drive, magnetic hysteresis brake for providing brake, the motor output end, magnetic hysteresis brake input end is connected with a group for connecting gear shaft main body Coupling, the support base is rotationally connected with two groups of screw rod for adjusting the position of motor, magnetic hysteresis brake.

[0009] Preferably, the detection piece further comprises two sets of positioning pieces for driving the rotation of the screw rod, the positioning pieces comprise hand wheels and positioning discs fixedly connected coaxially with the screw rod, the hand wheels and the positioning discs are located at the edges of the support seat, a first bolt is threadedly connected to the upper side of the positioning disc close to the support seat, and a positioning pin is arranged at the bottom of the first bolt, and a plurality of positioning grooves matched with the positioning pin are arranged on the side of the positioning disc.

[0010] Preferably, the adjusting piece further comprises a first moving seat and a second moving seat respectively threadedly connected with the two sets of screw rods and slidably connected with the upper end of the support seat, the upper side of the first moving seat is fixedly connected with the motor, and the top of the second moving seat is fixedly connected with the hysteresis brake.

[0011] Preferably, the side surfaces of the first moving seat and the second moving seat are each provided with a vernier, and the upper side of the support seat close to the end of the vernier is provided with a scale bar for judging the positions of the first moving seat and the second moving seat.

[0012] Preferably, the gear sleeve assembly further comprises three sets of positioning blocks arranged outside the gear sleeve main body for positioning, the inner wall of the rotating frame is provided with square pieces slidably connected with the three sets of positioning blocks and used for reducing axial force, the front side of the gear sleeve main body close to the left end of the rotating frame is provided with a locking block for preventing the gear sleeve main body from falling off, and the left side of the rotating frame is provided with a second bolt threadedly connected with the side surface of the locking block.

[0013] Preferably, the inner side of the rotating frame is provided with a storage groove slidably connected with the gear sleeve main body from left to right, and the square piece is internally provided with a groove matched with the positioning block.

[0014] The utility model provides a kind of precision gear shaft torque detection device.Compared with prior art, it has the following beneficial effects:

[0015] (1), the precision gear shaft torque detection device, by being provided with gear sleeve assembly in device, the gear sleeve main body of corresponding size is inserted into rotating frame by positioning block, positioning block is inserted into square piece, the butt joint of positioning block and gear sleeve main body is realized, the side of locking block is locked by second bolt, to prevent gear sleeve main body subsequent drop, while in subsequent rotating frame rotating process, square piece bears certain axial force, to reduce the stress of second bolt, this kind of setting is convenient for user required, the gear sleeve of corresponding size and gear shaft main body matching is installed in rotating frame, and gear sleeve and rotating frame etc.

[0016] (2), the precision pinion torque detection device, through the adjustment piece is arranged in the device, let two groups of screw rod, hand wheel cooperation, respectively to the first mobile seat, the second mobile seat horizontal position is adjusted, the first mobile seat drives motor movement, the second mobile seat drives hysteresis brake movement, through two groups of shaft coupling cooperation, realize motor output end, hysteresis brake input end and pinion body butt joint, it is convenient for user to adjust motor, hysteresis brake, shaft coupling position according to the corresponding length pinion body, it is helpful to the connection of pinion body, and it is convenient for subsequent detection operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the partial enlarged view of the utility model driving piece;

[0019] Figure 3 It is the enlarged view of the utility model gear sleeve assembly;

[0020] Figure 4 It is the enlarged view of the utility model pinion body.

[0021] In the drawing: 1, support seat; 2, adjustment piece; 21, screw rod; 22, first mobile seat; 23, second mobile seat; 24, motor; 25, hysteresis brake; 26, shaft coupling; 3, positioning piece; 31, hand wheel; 32, positioning disc; 33, first bolt; 34, positioning pin; 4, torque sensor; 5, gear sleeve assembly; 51, rotating frame; 52, square sheet; 53, gear sleeve body; 54, positioning block; 55, locking block; 56, second bolt; 6, pinion body. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Reference Figures 1-4 The utility model provides the following two technical schemes:

[0024] The first embodiment is a precise tooth shaft torque detection device, which comprises a support seat 1 connected with a detection part for precise tooth shaft torque detection. The detection part comprises a tooth sleeve assembly 5 installed on the middle part of the upper side of the support seat 1 for providing positioning and support for the precise tooth shaft. The tooth sleeve assembly 5 comprises a rotating frame 51 rotatably connected to the middle part of the upper side of the support seat 1. The rotating frame 51 is slidably connected with a tooth sleeve body 53 for storing the precise tooth shaft of a corresponding size. A torque sensor 4 is arranged on the support seat 1 for detecting the torque of the rotating frame 51. A tooth shaft body 6 is slidably connected in the tooth sleeve body 53.

[0025] An adjusting part 2 is arranged on the support seat 1 for adjusting the positions of the driving end and the braking end. The adjusting part 2 comprises a motor 24 for providing driving and a magnetic hysteresis brake 25 for providing braking. The output end of the motor 24 and the input end of the magnetic hysteresis brake 25 are respectively connected with a group of shaft couplings 26 for connecting the tooth shaft body 6. Two groups of screw rods 21 are rotatably connected to the support seat 1 for adjusting the positions of the motor 24 and the magnetic hysteresis brake 25.

[0026] The detection part further comprises two groups of positioning parts 3 for driving the rotation of the screw rods 21. The positioning part 3 comprises a hand wheel 31 coaxially fixedly connected with the screw rod 21 and a positioning disc 32. The hand wheel 31 and the positioning disc 32 are located at the edge of the support seat 1. A first bolt 33 is threadedly connected to the upper side of the support seat 1 close to the positioning disc 32. The bottom of the first bolt 33 is provided with a positioning pin 34. The side of the positioning disc 32 is provided with a plurality of positioning grooves matched with the positioning pin 34.

[0027] The tooth sleeve assembly 5 further comprises three groups of positioning blocks 54 arranged on the outer side of the tooth sleeve body 53 for positioning. The inner wall of the rotating frame 51 is provided with square pieces 52 slidably connected with the three groups of positioning blocks 54 respectively and used for reducing axial force. The front side of the tooth sleeve body 53 close to the left end of the rotating frame 51 is provided with a locking block 55 for preventing the tooth sleeve body 53 from falling off. The left side of the rotating frame 51 is provided with a second bolt 56 threadedly connected with the side of the locking block 55. The inner side of the rotating frame 51 is provided with a storage groove slidably connected with the tooth sleeve body 53 from left to right. The square piece 52 is provided with a groove matched with the positioning block 54. The inner wall of the tooth sleeve body 53 is provided with a tooth groove matched with the tooth shaft body 6. The tooth sleeve body 53 of a corresponding size is inserted into the rotating frame 51 through the positioning block 54, so that the positioning block 54 is inserted into the square piece 52, the positioning block 54 is butt-jointed with the tooth sleeve body 53, the side of the locking block 55 is locked through the second bolt 56, and the tooth sleeve body 53 is prevented from falling off subsequently. The tooth shaft body 6 of a corresponding size is inserted into the tooth sleeve body 53.

[0028] The second embodiment is mainly different from the first embodiment in that:

[0029] The adjusting member 2 further comprises a first moving seat 22 and a second moving seat 23 which are respectively threadedly connected with the two groups of screw rods 21 and slidingly connected with the upper end of the support seat 1, the upper side of the first moving seat 22 is fixedly connected with the motor 24, and the top of the second moving seat 23 is fixedly connected with the hysteresis brake 25;

[0030] The first moving seat 22 and the second moving seat 23 are each provided with a vernier on the side, the upper side of the support seat 1 is provided with a scale bar near the end of the vernier for judging the positions of the first moving seat 22 and the second moving seat 23, the two groups of screw rods 21 and the hand wheels 31 are matched to respectively adjust the horizontal positions of the first moving seat 22 and the second moving seat 23, the first moving seat 22 drives the motor 24 to move, the second moving seat 23 drives the hysteresis brake 25 to move, the motor 24 output end and the hysteresis brake 25 input end are connected with the gear shaft main body 6 through the cooperation of the two groups of shaft couplings 26, which is helpful for subsequent detection operation, the first bolt 33 drives the positioning pin 34 to be inserted into the positioning groove on the side of the positioning disc 32 to lock the screw rod 21.

[0031] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of each electric appliance are not specifically limited, and conventional equipment can be used.

[0032] In use, the user inserts the gear sleeve main body 53 of a corresponding size into the rotating frame 51 through the positioning block 54, inserts the positioning block 54 into the square piece 52, locks the side of the locking block 55 through the second bolt 56, engages the gear shaft main body 6 of a corresponding size with the gear sleeve main body 53, drives the first moving seat 22 and the second moving seat 23 to move towards the gear shaft main body 6 through the rotation of the two groups of screw rods 21 driven by the two groups of hand wheels 31, wherein the first moving seat 22 drives the motor 24 and one group of shaft couplings 26 to move, the second moving seat 23 drives the motor 24 and the other group of shaft couplings 26 to move, the two groups of shaft couplings 26 are respectively connected with the spline of the gear shaft main body 6, the motor 24, the hysteresis brake 25 and the torque sensor 4 are started, the gear shaft main body 6 and the gear sleeve assembly 5 are driven to rotate by the motor 24 through the two groups of shaft couplings 26, and the torque sensor 4 detects the torque of the rotating frame 51 in the gear sleeve assembly 5, thereby realizing the detection of the torque of the gear shaft main body 6, wherein the hysteresis brake 25 and the torque sensor 4 are both prior art, and therefore the internal specific structure and working principle thereof will not be described in detail.

[0033] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A precision pinion torque detection device, comprising a support seat (1), characterized in that: The support seat (1) is connected with detection members for precise pinion shaft torque detection, the detection members comprising: A gear sleeve assembly (5) is installed on the middle part of the upper side of the support seat (1) for providing positioning and support for the precise pinion shaft, the gear sleeve assembly (5) comprising a rotating frame (51) rotatably connected to the middle part of the upper side of the support seat (1), the rotating frame (51), a gear sleeve body (53) slidably connected in the rotating frame (51) for storing the precise pinion shaft of corresponding size; A torque sensor (4) is arranged on the support seat (1) for detecting the torque of the rotating frame (51); A pinion shaft body (6) is slidably connected in the gear sleeve body (53); An adjusting member (2) is arranged on the support seat (1) for adjusting the positions of the driving end and the braking end, the adjusting member (2) comprising a motor (24) for providing driving and a hysteresis brake (25) for providing braking, a group of shaft couplings (26) for connecting the pinion shaft body (6) are connected to the output end of the motor (24) and the input end of the hysteresis brake (25) respectively, and two groups of screw rods (21) for adjusting the positions of the motor (24) and the hysteresis brake (25) are rotatably connected to the support seat (1).

2. The precision pinion torque detection device of claim 1, wherein: The detection members further comprise two groups of positioning members (3) for driving the rotation of the screw rods (21), the positioning members (3) comprising hand wheels (31) coaxially fixedly connected with the screw rods (21) and positioning discs (32), the hand wheels (31) and the positioning discs (32) are located at the edges of the support seat (1), a first bolt (33) is threadedly connected to the upper side of the support seat (1) close to the positioning disc (32), a positioning pin (34) is arranged at the bottom of the first bolt (33), and a plurality of positioning grooves matched with the positioning pin (34) are arranged on the side surface of the positioning disc (32).

3. The precise pinion torque detection device of claim 1, wherein: The adjusting member (2) further comprises a first moving seat (22) and a second moving seat (23) respectively threadedly connected with the two groups of screw rods (21) and slidably connected with the upper end of the support seat (1), the upper side of the first moving seat (22) is fixedly connected with the motor (24), and the top of the second moving seat (23) is fixedly connected with the hysteresis brake (25).

4. The precise pinion torque detection device according to claim 3, characterized in that: Verniers are arranged on the side surfaces of the first moving seat (22) and the second moving seat (23), and a scale bar for judging the positions of the first moving seat (22) and the second moving seat (23) is arranged on the upper side of the support seat (1) close to the end of the verniers.

5. The precision pinion torque detection device of claim 1, wherein: The gear sleeve assembly (5) further comprises three groups of positioning blocks (54) arranged on the outer side of the gear sleeve body (53) for positioning, square pieces (52) for reducing axial force are arranged on the inner walls of the rotating frame (51) and are slidably connected with the three groups of positioning blocks (54) respectively, a locking block (55) for preventing the gear sleeve body (53) from falling off is arranged on the front side of the gear sleeve body (53) close to the left end of the rotating frame (51), and a second bolt (56) threadedly connected with the side surface of the locking block (55) is arranged on the left side of the rotating frame (51).

6. The precise pinion torque detection device of claim 5, wherein: A storage groove slidably connected with the gear sleeve body (53) is arranged on the inner side of the rotating frame (51) from left to right, and a groove matched with the positioning block (54) is arranged in the square piece (52).

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