CN217738649U

CN217738649U - Gear impact test device

Info

Publication number: CN217738649U
Application number: CN202221216433.7U
Authority: CN
Inventors: 赫志航; 王刚; 薛朝; 赵子龙; 张渊博
Original assignee: Huacai Technology Laboratory Luoyang Co ltd
Current assignee: Huacai Technology Laboratory Luoyang Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-11-04
Anticipated expiration: 2032-05-18

Abstract

A gear impact test device comprises a workbench, a reciprocating impact mechanism and an automatic rotating mechanism, wherein the reciprocating impact mechanism is arranged on the workbench and used for impacting a gear to be tested, and the automatic rotating mechanism is used for driving the gear to be tested to automatically rotate after the impact times are reached; the automatic rotating mechanism comprises a rotating shaft for fixing the gear to be tested, a driving gear arranged on the rotating shaft and a driving assembly; the driving assembly comprises a screw rod and a first motor, the screw rod is provided with a nut in a matching way, and the nut is provided with a rack which is meshed and matched with the driving gear; the reciprocating impact mechanism comprises a bracket, an impact column which is arranged on the bracket in a sliding way and used for impacting the gear to be tested, and a rotating thumb wheel used for poking the impact column to rise in a reciprocating way; the impact column is provided with a shifted strip, and the rotating shifting wheel is provided with a main shifting strip which is matched with the shifted strip in a shifting way. The utility model discloses can reduce workman's intensity of labour and workman's work burden, improve gear impact test's efficiency.

Description

Gear impact test device

Technical Field

The utility model relates to a gear check out test set technical field, specific gear impact test device that says so.

Background

The gear is widely applied to life and production as a transmission part, in order to ensure the safety of the gear in use and obtain data such as the total service life of the gear in use, an experimenter needs to perform an impact test on the gear before gear production, perform sampling inspection on the gear after the gear is produced and perform the impact test on the extracted gear, and optimize the performance of the gear by ensuring the service life of the gear and obtaining related data of the gear in such a way. Gear fatigue test device among the prior art is through fixing the gear that awaits measuring on the base, and one side that lies in the gear that awaits measuring on the base is provided with the crash bar that is used for with the gear engagement complex that awaits measuring, and crash bar and the gear intermeshing that awaits measuring are used for supporting the gear that awaits measuring and prevent the gear rotation that awaits measuring. The upper part of the side, corresponding to the gear to be tested, of the gear to be tested is provided with a loading column for impacting the gear to be tested, a worker loosens the loading column after lifting the loading column by a certain height and then conducts impact test on the gear to be tested by utilizing the gravity of the free falling body of the loading column, and the gear to be tested is continuously impacted by the loading column to detect the performance of the gear to be tested so as to obtain the data of the overall performance of the gear. However, the prior art gear impact test generally causes the following problems:

in the prior art, a worker is required to continuously lift the loading column and release the loading column to enable the loading column to impact the gear to be tested, the whole time of the impact test on the gear to be tested is long, the worker is required to repeat the actions of lifting and releasing the loading column all the time, the process of the whole gear impact test is complicated, and the labor intensity of the worker and the time of the loading column impacting the gear to be tested are greatly increased. And the height of lifting and releasing the loading column by a worker is not constant, so that the impact force of the loading column on the gear to be tested is unstable, and the data obtained by the impact test is inaccurate.

In the prior art, after the loading column impacts the teeth on the gear to be tested for a set number of times, a worker is required to manually rotate the gear to be tested so that the teeth at other positions on the gear to be tested are located below the loading column, and the loading column continues to perform impact tests on the rotated teeth on the gear to be tested. In the impact test of the loading column on the gear to be tested, a worker is required to rotate the gear to be tested along with the completion of the impact of the loading column on one of the gears to be tested until the impact of the loading column on all the teeth of the gear to be tested is completed. Greatly increasing the labor intensity and the labor burden of workers, greatly occupying the labor time of the workers and increasing the cost of hiring the workers. And the workman rotates the gear that awaits measuring and needs to occupy certain time, has influenced gear impact test's efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gear impact test device can reduce workman's intensity of labour and workman's work burden, improves gear impact test's efficiency.

In order to solve the technical problem, the utility model discloses a concrete scheme be a gear impact test device: the device comprises a workbench, a reciprocating impact mechanism arranged on the workbench and used for impacting a gear to be tested, and an automatic rotating mechanism used for driving the gear to be tested to automatically rotate after the impact times are reached;

the automatic rotating mechanism comprises a rotating shaft, a driving gear and a driving assembly, wherein the rotating shaft is distributed along the horizontal direction and used for fixing the gear to be tested, the driving gear is arranged on the rotating shaft, and the driving assembly is used for driving the driving gear to rotate so as to enable the gear to be tested to automatically rotate; the driving assembly comprises a screw rod and a first motor for driving the screw rod to rotate, a nut is arranged on the screw rod in a matched mode, and a rack which is meshed with the driving gear is arranged on the nut;

the reciprocating impact mechanism comprises a bracket, an impact column which is arranged on the bracket in a sliding manner along the vertical direction and is used for impacting the gear to be tested, and a rotating dial wheel which is arranged on the workbench in a rotating manner and is used for shifting the impact column to ascend in a reciprocating manner; the impact column is provided with a shifted strip, the rotating shifting wheel is provided with a main shifting strip which is matched with the shifted strip in a shifting way, and the main shifting strip rotates along with the rotating shifting wheel to shift the impact column to ascend to impact the gear to be tested.

As a result of the utility model relates to a gear impact test device's further optimization: the length of the rack is greater than the perimeter of the drive gear.

As the utility model relates to a gear impact test device's further optimization: the rotating shaft is provided with a bayonet lock for preventing the gear to be tested and the driving gear from axially rotating on the rotating shaft.

As the utility model relates to a gear impact test device's further optimization: be equipped with the montant that is used for supporting the rotation thumb wheel on the workstation, rotate on the montant and be provided with along the pivot of horizontal direction distribution and be used for driving pivot pivoted second motor, the one end of pivot and the output shaft fixed connection of second motor, other end fixed connection rotates the thumb wheel.

As the utility model relates to a gear impact test device's further optimization: the worktable is provided with a shaft seat for the rotating shaft to be matched with; a base used for supporting the driving component is arranged on the workbench below the driving component in a sliding manner.

As a result of the utility model relates to a gear impact test device's further optimization: the support comprises a support frame fixed on the workbench and a flat plate arranged on the support frame in a sliding fit manner along the horizontal direction; the flat plate is provided with a cylinder for the sliding fit of the impact column, and the cylinder is provided with a guide groove for positioning the shifted strip so as to enable the impact column to ascend and descend along the vertical direction.

As a result of the utility model relates to a gear impact test device's further optimization: the end part of the impact column impacting the gear to be tested is an oblique head in impact fit with the gear to be tested.

As the utility model relates to a gear impact test device's further optimization: the number of the main stirring strips on the rotating stirring wheel is four, and the four main stirring strips are uniformly arranged on the rotating stirring wheel at intervals and all incline towards the same direction.

Advantageous effects

The utility model provides an automatic slewing mechanism can realize carrying out the automation with the gear that awaits measuring that has reached impact test and rotate, and automatic slewing mechanism includes the axis of rotation that is used for fixed gear that awaits measuring, sets up at epaxial drive gear and the drive assembly of rotation that distributes along the horizontal direction. The driving assembly comprises a screw rod and a first motor used for driving the screw rod to rotate, a screw nut is installed on the screw rod in a matched mode, a rack matched with the driving gear in a meshed mode is arranged on the screw nut, and the gear to be detected is driven to rotate along with the movement of the screw nut on the screw rod through the rack. The driving assembly can drive the driving gear to rotate so that the gear to be tested rotates to the position of the tooth which is not subjected to the impact test from the position where the impact is finished, the labor intensity of workers is greatly reduced, the time occupied by the workers for manually rotating the gear to be tested is shortened, and the efficiency of the gear impact test is improved.

The utility model provides a reciprocal impact mechanism can carry out automatic shock test to the tooth on the gear that awaits measuring, reciprocal impact mechanism sets up in the impact post of the gear top that awaits measuring and rotates the rotation thumb wheel that is used for the reciprocal rising of drive impact post in order to strike the gear that awaits measuring in impact post one side including sliding. The upper end of the impact column is provided with a stirred strip, and the rotating stirring rod is provided with a main stirring strip which is stirred and matched with the stirred strip so as to make the impact column rise in a reciprocating manner. The main poking strip is poked in a reciprocating mode along with the rotation of the rotating poking wheel so that the impact column rises in a reciprocating mode to perform impact test on the gear to be tested, the labor intensity of workers is greatly relieved, and the time for completing the gear impact test is shortened. The height that is stirred the strip and reaches under the stirring of main strip is certain so that strike the high stability that the post descends, has guaranteed that the dynamics that strikes the gear that awaits measuring of striking post is even, has increased the accuracy of gear shock test data.

Preferably, the number of the main poking strips on the rotating poking wheel is four, and the four main poking strips poke the poked strips respectively along with the rotation of the rotating poking wheel so that the impact column rises to impact the gear to be tested repeatedly. The frequency of the impact column impacting the gear to be tested is increased, and the efficiency of completing the gear impact test is improved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

reference numerals are as follows: 1. the automatic rotating mechanism comprises a workbench, 2, an automatic rotating mechanism, 201, a first motor, 202, a driving gear, 203, a rotating shaft, 204, a gear to be tested, 205, a nut, 206, a rack, 207, a lead screw, 208, a base, 209, a dovetail groove, 210, a shaft seat, 3, a reciprocating impact mechanism, 301, a support, 3011, a support frame, 3012, a flat plate, 302, a cylinder, 303, an impact column, 304, a guide groove, 305, a shifted strip, 306, a rotating shifting wheel, 307, a rotating shaft, 308, a vertical rod, 309, a main shifting strip, 310, a second motor, 4 and a support table.

Detailed Description

As shown in figure 1, the utility model discloses a gear impact test device, including workstation 1 and the reciprocal impact mechanism 3 and the automatic slewing mechanism 2 of setting on workstation 1. The reciprocating impact mechanism 3 is used for impacting the gear 204 to be tested on the workbench 1 to perform an impact test on the gear 204 to be tested, and the automatic rotating mechanism 2 is used for driving the gear 204 to be tested to rotate so that the tooth of the gear 204 to be tested, which is impacted by the reciprocating impact mechanism 3, rotates to the position of a certain tooth of the gear 204 to be tested, which is not subjected to the impact test.

As shown in fig. 2, the automatic rotating mechanism 2 includes a rotating shaft 203 distributed along the horizontal direction for fixing the gear 204 to be measured, and a shaft seat 210 for supporting the rotating shaft 203 and allowing the rotating shaft 203 to rotatably engage is disposed on the left end portion of the rotating shaft 203 on the workbench 1. The driving gear 202 is arranged on the rotating shaft 203 and positioned on the right side of the gear to be tested 204, bayonet locks are respectively arranged on the rotating shaft 203 and positioned on the gear to be tested 204 and the driving gear 202, and the bayonet locks can prevent the gear to be tested 204 and the driving gear 202 from axially rotating on the rotating shaft 203.

As shown in fig. 1, a base 208 is slidably provided on the table 1 below the drive gear 202, a dovetail groove 209 for slidably fitting the base 208 is formed on the table 1, and the bottom of the base 208 is formed in a dovetail shape fitted to the dovetail groove 209. The base 208 is slidably disposed on the worktable 1 so that the gear 204 to be tested and the driving gear 202 are mounted on the rotating shaft 203, and the height of the base 208 is such that the driving assembly cooperates with the driving gear 202 to drive the gear 204 to be tested to automatically rotate.

As shown in fig. 1, a driving assembly for driving the driving gear 202 to rotate so as to automatically rotate the gear 204 to be tested is disposed on the base 208, the driving assembly includes a mounting frame fixedly disposed on the base 208 along a horizontal direction, a lower side surface of the mounting frame is fixed on an upper edge of the base 208, and an upper side surface of the mounting frame distributed toward the driving gear 202 is open. The mounting frame is internally provided with a lead screw 207 distributed along the length direction of the mounting frame, and the left end of the lead screw 207 is connected with a first motor 201 for driving the lead screw 207 to rotate. The screw 207 is provided with a nut 205 in a matching way, the nut 205 is provided with a rack 206 which is positioned at the open end of the mounting frame and is meshed and matched with the driving gear 202, and the length of the rack 206 is larger than the perimeter of the driving gear 202 so as to cause the rack 206 to have more balance when being meshed and matched with the teeth on the driving gear 202. The rack 206 on the nut 205 moves left and right on the mounting frame along with the rotation of the lead screw 207 under the driving of the first motor 201, the teeth on the rack 206 are respectively meshed with the teeth on the driving gear 202 along with the movement of the rack 206 to drive the driving gear 202 to rotate, and the gear 204 to be tested on the rotating shaft 203 rotates along with the rotation of the driving gear 202 under the rotation of the rotating shaft 203.

As shown in fig. 1, the reciprocating impact mechanism 3 includes a bracket 301 fixedly disposed on the worktable 1, an impact column 303 slidably disposed on the bracket 301, and a rotary dial 306 disposed at a right position of the bracket 301 for dialing the impact column 303 to ascend reciprocally. The bracket 301 comprises a support 3011 fixedly arranged on the workbench 1 along the vertical direction, a flat plate 3012 arranged on the support 3011 in a sliding manner along the horizontal direction, and a cylinder 302 fixedly arranged at the right end of the flat plate 3012 and used for installing an impact column 303 in a sliding fit manner. The support 3011 is located on the left side of the gear 204 to be tested so that the flat plate 3012 is located right above the gear 204 to be tested to make the impact column 303 located in the cylinder 302 perform impact test with the gear 204 to be tested.

As shown in fig. 1 and 2, a vertical rod 308 for supporting the rotating thumb wheel 306 is disposed below the rotating thumb wheel 306 on the workbench 1, and the height of the vertical rod 308 is a height that enables the rotating thumb wheel 306 to be in sliding fit with the impact column 303. The upper end of the vertical rod 308 is rotatably provided with a rotating shaft 307 for fixing the rotating thumb wheel 306, and the rotating shaft 307 is connected with a second motor 310 for driving the rotating shaft 307 to rotate so as to rotate the rotating thumb wheel 306. The left end of the rotating shaft 307 is fixedly connected with the output shaft of the second motor 310, and the right end of the rotating shaft 307 is fixedly connected with the rotating dial wheel 306. A supporting platform 4 for supporting the second motor 310 is arranged below the second motor 310 on the vertical rod 308, a platform on the supporting platform 4 is used for bearing the second motor 310, and a stabilizing rod for keeping the platform stable is connected to the lower edge of the platform. One end of the stabilizer bar is fixed on the lower edge of the platform, the other end of the stabilizer bar is fixed on the vertical rod 308, and a stable triangular structure is formed among the stabilizer bar, the platform and the vertical rod 308.

As shown in fig. 1, four main toggle strips 309 are uniformly arranged on the rotating toggle wheel 306 at intervals, the four main toggle strips 309 are uniformly arranged on the rotating toggle wheel 306 at intervals and all incline towards the same direction, and the four main toggle strips 309 rotate along with the rotating toggle wheel 306 to reciprocally toggle the impact column 303 to ascend to impact the gear 204 to be tested. The four main toggle bars 309 are arranged, so that the frequency of the rotating toggle wheel 306 for toggling the impact column 303 to rise to and fro can be increased, the time of the impact column 303 impacting the gear 204 to be tested is shortened, and the impact efficiency of the impact column 303 on the gear 204 to be tested is improved. The upper end of the impact column 303 is provided with a stirred strip 305 for stirring and matching the main stirring strip 309 so as to make the impact column 303 rise and go up and down, and the stirred strip 305 is distributed along the horizontal direction and is convenient for stirring and matching between the stirred strip 305 and the main stirring strip 309.

One side of the cylinder 302 facing the rotating dial wheel 306 is provided with guide grooves 304 which are vertically distributed, and the guide grooves 304 are used for positioning the dialed strip 305 so as to keep the impact column 303 to ascend or descend along the vertical direction when the main dialing strip 309 dials the dialed strip 305 and prevent the impact column 303 from rotating when the main dialing strip 309 dials the dialed strip 305. The height of guide way 304 is higher than the height that reaches when strip 309 was stirred to the owner and is stirred the strip 305, and the setting of guide way 304 height can guarantee to be stirred the strip 305 and stir the strip 309 when cooperating with the owner and stir the strip 305 and be in the guide way 304 always to the impact post 303 takes place to rotate when avoiding being stirred the strip 305 and be higher than the guide way 304. The side of the lower end of the impact column 303 impacting the gear 204 to be tested, which faces the gear 204 to be tested, is an oblique head in impact fit with the gear 204 to be tested.

The specific implementation manner of the utility model is as follows: first, the worker mounts the gear 204 to be measured and the drive gear 202 on the rotating shaft 203, respectively, and places the lower end of the impact column 303 on the teeth of the gear 204 to be measured. The base 208 is then slid into place on the table 1 and the right end of the rack 206 is engaged with the teeth at the bottom of the drive gear 202. Next, the second motor 310 is started, the second motor 310 drives the rotating shaft 307 to rotate so as to rotate the rotating dial 306, the main dial bar 309 rotates along with the rotating dial 306 and contacts with the dialed bar 305 to dial the dialed bar 305 to rise, and the impact column 303 rises along with the dialed bar 305 to rise. When the main toggle bar 309 rotates along with the rotating toggle wheel 306 and is separated from the toggled bar 305, the impact column 303 descends under the action of its own gravity and impacts the teeth on the gear 204 to be tested. Finally, when the number of times of impact of the teeth on the gear 204 to be measured by the impact column 303 reaches a set number, the first motor 201 is started, and the rack 206 meshed with the driving gear 202 moves the distance between adjacent teeth of the gear 204 to be measured along with the nut 205 on the lead screw 207 from right to left. At this time, the driving gear 202 drives the gear 204 to be tested to rotate clockwise so that the gear 204 to be tested rotates from the teeth that have completed the impact test to the teeth that have not performed the impact test, and the impact column 303 rises up to and fro under the toggle coordination of the main toggle bar 309 and the toggled bar 305 to perform the impact test on the teeth on the rotated gear 204 to be tested. And repeating the steps in a circulating manner until all the teeth on the gear 204 to be tested finish the impact test.

Claims

1. The utility model provides a gear impact test device which characterized in that: comprises a workbench (1), a reciprocating impact mechanism (3) which is arranged on the workbench (1) and used for impacting a gear (204) to be tested, and an automatic rotating mechanism (2) which is used for driving the gear (204) to be tested to automatically rotate and reaches the impact times;

the automatic rotating mechanism (2) comprises a rotating shaft (203) which is distributed along the horizontal direction and used for fixing a gear (204) to be tested, a driving gear (202) which is arranged on the rotating shaft (203) and a driving component which is used for driving the driving gear (202) to rotate so as to enable the gear (204) to be tested to rotate automatically; the driving assembly comprises a lead screw (207) and a first motor (201) for driving the lead screw (207) to rotate, a screw nut (205) is installed on the lead screw (207) in a matching mode, and a rack (206) meshed and matched with the driving gear (202) is arranged on the screw nut (205);

the reciprocating impact mechanism (3) comprises a support (301), an impact column (303) which is arranged on the support (301) in a sliding manner along the vertical direction and used for impacting the gear (204) to be tested, and a rotating thumb wheel (306) which is arranged on the workbench (1) in a rotating manner and used for poking the impact column (303) to rise in a reciprocating manner; the impact column (303) is provided with a shifted strip (305), the rotating dial wheel (306) is provided with a main shifting strip (309) which is matched with the shifted strip (305) in a shifting way, and the main shifting strip (309) rotates along with the rotating dial wheel (306) to shift the impact column (303) to ascend to impact the gear (204) to be tested.

2. The gear impact test device according to claim 1, wherein: the length of the rack (206) is greater than the circumference of the drive gear (202).

3. The gear impact test device according to claim 1, wherein: the rotating shaft (203) is provided with a bayonet pin for preventing the gear (204) to be tested and the driving gear (202) from axially rotating on the rotating shaft (203).

4. The gear impact test device according to claim 1, wherein: be equipped with on workstation (1) and be used for supporting montant (308) that rotates thumb wheel (306), rotate on montant (308) and be provided with pivot (307) and be used for driving pivot (307) pivoted second motor (310) that distribute along the horizontal direction, the one end of pivot (307) and the output shaft fixed connection of second motor (310), other end fixed connection rotates thumb wheel (306).

5. The gear impact test device according to claim 1, wherein: a shaft seat (210) for the rotating shaft (203) to be in rotating fit is arranged on the workbench (1); a base (208) for supporting the driving component is arranged on the workbench (1) below the driving component in a sliding manner.

6. The gear impact test device according to claim 1, wherein: the support (301) comprises a support frame (3011) fixed on the workbench (1) and a flat plate (3012) arranged on the support frame (3011) in a sliding fit manner along the horizontal direction; the flat plate (3012) is provided with a cylinder (302) for the impact column (303) to be in sliding fit, and the cylinder (302) is provided with a guide groove (304) for positioning a shifted strip (305) to enable the impact column (303) to lift along the vertical direction.

7. The gear impact test device according to claim 1, wherein: the end part of the impact column (303) impacting the gear (204) to be tested is an oblique head in impact fit with the gear (204) to be tested.

8. The gear impact test device according to claim 1, wherein: the number of the main poking strips (309) on the rotating poking wheel (306) is four, and the four main poking strips (309) are uniformly arranged on the rotating poking wheel (306) at intervals and are inclined towards the same direction.