CN209783898U

CN209783898U - gear detector

Info

Publication number: CN209783898U
Application number: CN201920697254.1U
Authority: CN
Inventors: 王建权; 李春华
Original assignee: Chongqing Chengyang Precision Manufacturing Co Ltd
Current assignee: Chongqing Chengyang Precision Manufacturing Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2019-12-13
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a gear detector, which comprises a detection mechanism, a gear fixing mechanism and a workbench which are arranged from top to bottom in sequence, wherein the bottom of the gear fixing mechanism is arranged on the workbench; the gear fixing mechanism comprises a fixed table arranged on the workbench and used for placing the gears, a plurality of supporting tables which are movably arranged on the fixed table and are uniformly distributed in an annular shape relative to the center of the fixed table, and a clamping angle tightly clamped between two teeth of the gears is fixed on each supporting table. Compared with the prior art, the utility model has the following advantages: the utility model prevents the gear from shaking, especially from rotating along the self axis direction, by fixing and clamping the clamping angle corresponding to the shape between two teeth of the gear; the clamping angle can be detached and replaced according to the size of the gear, and meanwhile, the position of the support table can be adjusted according to the size of the gear; the fixed station can rotate so as to realize the detection of the pressure head to different positions of the gear to be detected.

Description

Gear detector

Technical Field

The utility model relates to a gear detection area especially relates to a gear detector.

Background

Gear detection is a key link for ensuring the performance and quality of a gear finished product, and not only is the important basis for acceptance inspection of the gear finished product, but also is the technical guarantee for quality control of the gear in the machining and manufacturing process. The content of the method mainly comprises the analytical detection based on tooth profile, spiral line and tooth pitch detection, the functional detection based on comprehensive detection (double-sided meshing and single-sided meshing detection), the gear integral error detection integrating single item and comprehensive item, and the detection example is given for reference.

Hardness detection is the more common detection item in the gear detection, and in current gear detection device, although a lot of can carry out stable fixed to the gear, in the testing process, because the work of exerting pressure of pressure head still can lead to the gear to appear rocking, especially appear the gear along the problem of self axis rotation easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: in the detection process, the pressure applying work of the pressure head still causes the gear to shake, and particularly, the problem that the gear rotates along the axis of the gear easily occurs. Therefore, the gear detector is provided.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

A gear detector comprises a detection mechanism, a gear fixing mechanism and a workbench which are sequentially arranged from top to bottom, wherein the bottom of the gear fixing mechanism is arranged on the workbench; the gear fixing mechanism comprises a fixed table arranged on the workbench and used for placing the gears, a plurality of supporting tables which are movably arranged on the fixed table and are uniformly distributed in an annular shape relative to the center of the fixed table, and a clamping angle tightly clamped between two teeth of the gears is fixed on each supporting table.

preferably, detection mechanism transversely is fixed in the crossbeam at bracing piece top including vertically setting up the bracing piece on the workstation, display screen is installed at the top of crossbeam, the bottom is connected with can follow the gliding telescopic cylinder of crossbeam length direction, the telescopic end fixedly connected with pressure head of telescopic cylinder below, pressure sensor who is connected with the display screen electricity is still installed with telescopic cylinder telescopic end junction to the pressure head, and pressure head one side is provided with the displacement sensor who is connected with the display screen electricity.

Preferably, the fixed table is provided with a placement groove for placing a supporting table, and the supporting table is movably arranged in the placement groove through an adjusting piece; the clamping angle is a triangle matched with the two teeth of the gear in shape and is detachably fixed on the supporting table through a screw rod.

Preferably, the adjusting part is a hydraulic cylinder which drives the supporting platform to move along the length direction of the mounting groove, and the hydraulic cylinder is arranged on the workbench.

Preferably, sliding grooves are respectively formed in two sides of the inner wall of the placement groove opposite to the support platform along the length direction of the placement groove, sliding strips corresponding to the sliding grooves are respectively arranged on two sides of the support platform, and the support platform is arranged on the sliding grooves in a sliding mode through the sliding strips; the supporting platform is connected with the inner end of the placing groove through a return spring.

preferably, the center of the fixed table is provided with a center column, a base plate is placed on the fixed table between the support table and the center column, and the height of the base plate after installation is flush with the height of the support table.

Preferably, the fixed table is arranged on the workbench in a way of rotating along the axis of the fixed table, and a driving motor for driving the fixed table to rotate is arranged in the workbench; the bottom of the fixed table and the bottom of the hydraulic cylinder are respectively connected with a first ball and a second ball, and the workbench is provided with a first annular rolling groove and a second annular rolling groove for the first ball and the second ball to roll.

Preferably, there is a spacing between the fixed table and the work table that is greater than zero.

Compared with the prior art, the utility model has the following advantages: the utility model prevents the gear from shaking, especially from rotating along the self axis direction, by fixing and clamping the clamping angle corresponding to the shape between two teeth of the gear; the clamping angle can be detached and replaced according to the size of the gear, and meanwhile, the position of the support table can be adjusted according to the size of the gear, so that the practicability is high; the fixed station can rotate so as to realize the detection of the pressure head to different positions of the gear to be detected.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the fixed platen of FIG. 1 in a top view;

FIG. 3 is a schematic structural view of the seating groove;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

Fig. 5 is a schematic structural view of the card corner in fig. 1 in a top view.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in fig. 1 and 5, a gear detector includes a detection mechanism 10, a gear fixing mechanism 30 and a workbench 20, which are sequentially arranged from top to bottom, wherein the bottom of the gear fixing mechanism 30 is arranged on the workbench 20; the gear fixing mechanism 30 includes a fixing table 31 disposed on the working table 20 for placing the gear, and a plurality of supporting tables 33 movably disposed on the fixing table 31 and uniformly distributed in a ring shape with respect to the center of the fixing table 31, wherein each supporting table 33 is fixed with a clamping angle 36 tightly clamped between two teeth of the gear. The gear is prevented from shaking, and particularly the problem of rotation along the axis direction of the gear is avoided by the clamping angle which can be tightly clamped between two teeth of the gear for fixing and clamping; the clamping angle 36 is specifically a triangle matched with the two teeth of the gear in shape, and is detachably fixed on the support table 33 through a screw 361, and the clamping angle 36 matched with the gear can be detached and replaced according to the size of the gear.

Detection mechanism 10 transversely is fixed in the crossbeam 12 at bracing piece 13 top including vertically setting up bracing piece 13 on workstation 20, display screen 11, bottom are installed at the top of crossbeam 12 and are connected with and follow the gliding telescopic cylinder 14 of crossbeam 12 length direction, the flexible end fixedly connected with pressure head 16 of telescopic cylinder 14 below, pressure head 16 still installs the pressure sensor 15 of being connected with display screen 11 electricity with the telescopic end junction of telescopic cylinder 14, and pressure head 16 one side is provided with the displacement sensor 17 of being connected with display screen 11 electricity. The bottom of the beam 12 is provided with a groove body for the telescopic cylinder 14 to slide, and the top of the telescopic cylinder 14 is provided with a slide block which is matched with the groove body and is arranged in the groove body in a sliding manner, and the slide block is common in the prior art and is not described in detail.

The pressure head 16 is driven by the telescopic cylinder 14 to apply pressure on the gear to be tested, and the specific pressure application is as follows: during detection, after the pressure head 16 touches the gear to be detected, the telescopic end of the telescopic cylinder 14 continues to be pushed downwards to drive the pressure head 16 to move downwards, the moving distance of the downward movement of the pressure head 16 is detected through the displacement sensor 17, the pressure between the pressure head 16 and the gear is detected through the pressure sensor 15 and is displayed on the display screen 11, and the pressure is compared with the standard bevel gear data input in advance to judge whether the data is qualified; meanwhile, during detection, the pressure head 41 can be enabled to press the position to be detected of the gear, the pressure sensor 15 can reach a certain value, the moving distance of the pressure head 16 detected by the displacement sensor 17 is observed, and the data is compared with the data of the standard bevel gear to judge whether the data is qualified.

as shown in fig. 1, 3 and 4, a mounting groove 313 for mounting the pallet 33 is formed on the fixed table 31, and the pallet 33 is movably disposed in the mounting groove 313 through an adjusting member; the adjusting part is a hydraulic cylinder 34 which drives the saddle 33 to move along the length direction of the placing groove 313, and the hydraulic cylinder 34 is arranged on the workbench 20. The saddle 33 can slide in the mounting groove 313 under the pushing of the hydraulic cylinder 34, so as to adjust the position of the saddle 33, and thus, the saddle can be adapted to different gear sizes. The hydraulic cylinder 34 is more convenient as an adjusting piece compared with adjusting pieces such as bolts and the like, and inconvenience caused by manual adjustment is avoided.

Sliding grooves 314 are respectively formed in two sides of the inner wall of the placing groove 313 opposite to the supporting table 33 along the length direction of the supporting table, sliding strips 331 corresponding to the sliding grooves 314 are respectively arranged on two sides of the supporting table 33, and the supporting table 33 is arranged on the sliding grooves 314 in a sliding mode through the sliding strips 331; the supporting platform 33 is connected with the inner end of the placing groove 313 through a return spring 35. The sliding strip 331 and the sliding groove 314 are matched to facilitate the movement of the supporting platform 33, the return spring 35 can provide a certain thrust to the supporting platform 33 when the telescopic end of the hydraulic cylinder 34 is positioned, so as to balance the position of the supporting platform 33 and avoid the shaking of the supporting platform 33, and meanwhile, when the telescopic end of the hydraulic cylinder 34 returns (the initial state of return is that when the hydraulic cylinder 34 is in standby, the distance between the supporting platform 33 and the inner end of the accommodating groove 313 just realizes that the return spring 35 is in a natural loosening state), the supporting platform 33 can return under the action of the elastic potential energy of the return spring 35, so that the trouble caused by manual adjustment of return is avoided.

The center of the fixed table 31 is provided with a center post 315, a backing plate 32 is arranged on the fixed table 31 between the saddle 33 and the center post 315, and the height of the backing plate 32 is flush with the height of the saddle 33 after installation. The center post 315 embolias the gear center that awaits measuring, just places the gear that awaits measuring on the backing plate 32 between saddle 33 simultaneously, and the backing plate 32 be can freely take, the center be with the annular slab of center post 315 matching hole form, can change different backing plates 32 according to actual need, realizes the high parallel and level of backing plate 32 height and saddle 33 to in the stable placement of the gear that awaits measuring of realization.

As shown in fig. 2 and 4, the fixed table 31 is disposed on the worktable 20 to rotate along its own axis, and a driving motor 312 for driving the fixed table 31 to rotate is installed in the worktable 20; the fixed table 31 and the hydraulic cylinder 34 are connected at the bottom thereof with a first ball 311 and a second ball 341, respectively, and the table 20 is provided with a first annular rolling groove 22 and a second annular rolling groove 21 for the first ball 311 and the second ball 341 to roll. The fixed table 31 can rotate so as to facilitate the detection of the pressure head on different positions of the gear to be detected, wherein a distance larger than zero exists between the fixed table 31 and the workbench 20, so as to avoid friction caused by contact between the fixed table 31 and the workbench 20 during rotation, resulting in operation obstruction and damage between the fixed table 31 and the workbench 20.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A gear detector comprises a detection mechanism (10), a gear fixing mechanism (30) and a workbench (20) which are sequentially arranged from top to bottom, wherein the bottom of the gear fixing mechanism (30) is arranged on the workbench (20); the method is characterized in that: the gear fixing mechanism (30) comprises a fixing table (31) arranged on the workbench (20) and used for placing the gears, a plurality of supporting tables (33) which are movably arranged on the fixing table (31) and are uniformly distributed in an annular shape relative to the center of the fixing table (31), and a clamping angle (36) tightly clamped between two teeth of the gears is fixed on each supporting table (33).

2. The gear testing machine of claim 1, wherein: detection mechanism (10) transversely is fixed in crossbeam (12) at bracing piece (13) top including vertically setting up bracing piece (13) on workstation (20), display screen (11), bottom are connected with and can follow crossbeam (12) length direction gliding telescopic cylinder (14) at the top of crossbeam (12), telescopic cylinder (14) below telescopic end fixedly connected with pressure head (16), pressure head (16) and telescopic cylinder (14) telescopic end junction still install pressure sensor (15) of being connected with display screen (11) electricity, and pressure head (16) one side is provided with displacement sensor (17) of being connected with display screen (11) electricity.

3. The gear testing machine of claim 1, wherein: a mounting groove (313) for mounting the supporting platform (33) is formed in the fixed platform (31), and the supporting platform (33) is movably arranged in the mounting groove (313) through an adjusting piece; the clamping angle (36) is a triangle matched with the two teeth of the gear in shape and is detachably fixed on the supporting table (33) through a screw rod (361).

4. The gear testing machine of claim 3, wherein: the adjusting part is a hydraulic cylinder (34) which drives the supporting platform (33) to move along the length direction of the placing groove (313), and the hydraulic cylinder (34) is arranged on the workbench (20).

5. The gear testing machine of claim 4, wherein: sliding grooves (314) are respectively formed in two sides of the inner wall of the placement groove (313) opposite to the support table (33) along the length direction of the support table, sliding strips (331) corresponding to the sliding grooves (314) are respectively arranged on two sides of the support table (33), and the support table (33) is arranged on the sliding grooves (314) in a sliding mode through the sliding strips (331); the supporting platform (33) is connected with the inner end of the placing groove (313) through a return spring (35).

6. The gear testing machine of claim 5, wherein: the center of the fixed table (31) is provided with a center column (315), a base plate (32) is placed on the fixed table (31) between the saddle (33) and the center column (315), and the height of the base plate (32) is flush with the height of the saddle (33) after installation.

7. The gear testing machine of claim 1, wherein: the fixed table (31) is arranged on the workbench (20) in a rotating mode along the axis of the fixed table, and a driving motor (312) for driving the fixed table (31) to rotate is installed in the workbench (20); the bottom of the fixed table (31) and the bottom of the hydraulic cylinder (34) are respectively connected with a first ball (311) and a second ball (341), and the workbench (20) is provided with a first annular rolling groove (22) and a second annular rolling groove (21) for the first ball (311) and the second ball (341) to roll.

8. The gear testing machine of claim 7, wherein: a distance greater than zero exists between the fixed table (31) and the working table (20).