阅读说明：本技术 用于齿轮箱强度检测的试验设备和方法 (Test equipment and method for gearbox strength detection ) 是由 李钦 于 2021-06-24 设计创作，主要内容包括：本发明公开了齿轮箱试验技术领域的用于齿轮箱强度检测的试验设备和方法,包括前侧设置有开口的固定框,所述固定框的两侧内壁均竖向开设有滑轨,且滑轨内滑动连接有滑块,两组所述滑块的相对侧均连接在放置台上,所述放置台的顶部两侧均设置有螺栓夹具,所述固定框的两侧均匀竖向开设有螺孔,所述放置台的两侧上部均通过螺纹连接有调整螺杆,通过设置同性相斥的磁铁一和磁铁二,使得磁铁一和磁铁二之间的距离可以不用设置结构,可以减少成本,因为每次撞球的高度相同,弹簧一的伸缩量相同和弹簧二的伸缩量相同,使得每次对齿轮箱的撞击力度也相同,从而相比较通过人工锤击,可以有效提高试验结果的准确性。(The invention discloses a test device and a method for detecting the strength of a gear box, belonging to the technical field of gear box tests, comprising a fixed frame with an opening at the front side, wherein slide rails are vertically arranged on the inner walls of two sides of the fixed frame, slide blocks are connected in the slide rails in a sliding manner, the opposite sides of two groups of slide blocks are connected on a placing table, bolt clamps are arranged on two sides of the top of the placing table, screw holes are uniformly and vertically arranged on two sides of the fixed frame, adjusting screw rods are connected on the upper parts of two sides of the placing table through threads, and a structure is not needed to be arranged between a magnet I and a magnet II through arranging a magnet I and a magnet II which repel each other in the same polarity, so that the cost can be reduced, because the height of a ball hitting each time is the same, the expansion amount of a spring I is the same as that of the spring II is the same, the impact force on the gear box each time is also the same, and therefore, compared with the manual hammering, the accuracy of the test result can be effectively improved.)

1. A test equipment for gear box intensity detects is provided with open-ended fixed frame (1) including the front side, its characterized in that: the inner walls of two sides of the fixed frame (1) are vertically provided with slide rails, the slide rails are connected with slide blocks (2) in a sliding way, the opposite sides of the two groups of slide blocks (2) are connected on the placing table (3), both sides of the top of the placing table (3) are provided with bolt clamps (4), both sides of the fixing frame (1) are uniformly and vertically provided with screw holes (5), the upper parts of the two sides of the placing table (3) are both connected with adjusting screw rods (6) through threads, the adjusting screw (6) penetrates through one group of screw holes (5) and extends to the outer side of the fixing frame (1), the inner wall of the top of the fixed frame (1) is provided with an impact test mechanism (7), the impact test mechanism (7) is positioned above the placing table (3), the rear side of the fixed frame (1) is provided with a pushing mechanism (8), the upper part of the rear side of the fixing frame (1) is vertically provided with a through groove (9).

2. Test equipment for gearbox strength detection according to claim 1, characterized in that: the impact testing mechanism (7) comprises a ball hitting assembly (71), the top of the ball hitting assembly (71) is connected with a quick pushing assembly (72), and the ball hitting assembly (71) is in sliding connection with the through groove (9).

3. Test equipment for gearbox strength detection according to claim 2, characterized in that: the billiard ball assembly (71) comprises a round rod (711) which is slidably connected onto the through groove (9), the rear end of the round rod (711) extends to the rear side of the fixing frame (1), a connecting rod (712) is arranged on the front side of the bottom of the round rod (711), a billiard ball (713) is connected to the bottom end of the connecting rod (712), and the billiard ball (713) is located above the placing table (3).

4. Test equipment for gearbox strength detection according to claim 3, characterized in that: the fast push assembly (72) is including setting up fixed cover (721) on fixed frame (1) top inner wall, the bottom of fixed cover (721) is provided with bottom plate (722), dead lever (723) has vertically run through on bottom plate (722), the bottom of dead lever (723) is connected on round bar (711), the top of dead lever (723) is connected with connecting plate (724), the top of connecting plate (724) is connected with magnet (725), the bottom of connecting plate (724) is provided with and cup joints spring (726) on dead lever (723), the top inner wall of fixed cover (721) is provided with two subassemblies of magnet (727).

5. Test equipment for gearbox strength detection according to claim 4, characterized in that: the two subassembly (727) of magnet is including connecting guide arm (7271) on fixed cover (721) top inner wall, sliding connection has sleeve pipe (7272) on guide arm (7271), the bottom of sleeve pipe (7272) is connected on fixed plate (7273), the bottom of fixed plate (7273) is connected on magnet two (7274), magnet two (7274) are located the top of magnet one (725), and be like poles between magnet two (7274) and magnet one (725) and repel each other the structure, the top of fixed plate (7273) is provided with spring two (7275) of cup jointing on sleeve pipe (7272), the top of spring two (7275) is connected on fixed cover (721).

6. Test equipment for gearbox strength detection according to claim 5, characterized in that: pushing mechanism (8) are including setting up motor cabinet (81) at fixed frame (1) rear side, the top of motor cabinet (81) is provided with motor (82), the power end of motor (82) is connected with pivot (83), evenly be provided with elastic rod (84) in pivot (83), the rear side of elastic rod (84) is located the place ahead of round bar (711) rear end.

7. The method of testing equipment for gearbox strength testing according to any of the claims 1-6, characterized in that: the method comprises the following steps:

s1: placing a gear box to be detected on a placing table (3), fixing the gear box through a bolt clamp (4), taking down adjusting screws (6) on two sides, enabling a sliding block (2) of the placing table (3) to slide on a fixing frame (1), stopping when the top of the gear box is contacted with a collision ball (713), then screwing the adjusting screws (6) on screw holes (5) with matched heights, and continuing to rotate the adjusting screws (6) until the gear box is fixed with the placing table (3);

s2: the control motor (82) drives the rotating shaft (83) to rotate, so that the elastic rod (84) rotates along with the rotating shaft, when the elastic rod (84) passes through the round rod (711), the elastic rod (84) is elastically deformed and pushes the round rod (711) to move upwards on the through groove (9), and then the connecting rod (712) drives the collision ball (713) to move upwards and leave the gear box;

s3: the round rod (711) drives the fixing rod (723) to move upwards, so that the connecting plate (724) drives the first magnet (725) to move upwards, the first spring (726) is stretched, the first magnet (725) pushes the second magnet (7274) to move upwards through the magnetism of the first magnet, the second spring (7275) is driven to contract, when the round rod (711) is extruded to the top end of a stroke by the rotating elastic rod (84), the fixing plate (7273) does not contact the fixing cover (721), and after the elastic rod (84) rotates to be separated from the round rod (711), the fixing rod (723) can drive the round rod (711) to move downwards quickly through repulsive force between the second magnet (7274) and the first magnet (725) and resetting force of the first spring (726) and the second spring (7275), so that the bumping ball (713) is driven to perform primary impact detection on the top of the gearbox;

s4: and continuously controlling the motor (82) to drive the elastic rod (84) to rotate, and after the next group of elastic rods (84) passes through the round rod (711) again, completing one impact detection again, so that the impact detection can be completed on the gear box, and obtaining the test result of the gear box by recording the impact times and observing whether the gear box deforms.

Technical Field

The invention relates to the technical field of gearbox tests, in particular to test equipment and a method for detecting the strength of a gearbox.

Background

With the continuous rapid development of the gear box industry, more and more industries and different enterprises use the gear box, and more enterprises develop in the gear box industry, and the strength of the gear box needs to be detected after the gear box is manufactured.

At present, the gearbox is detected by manually holding a hammer to hammer the gearbox, the strength of the detected gearbox is obtained by recording the hammering times, but the same force of hammering at each time cannot be guaranteed due to the fact that the gearbox is manually hammered, so that the test result is inaccurate, and therefore, the test equipment and the test method for detecting the strength of the gearbox are provided.

Disclosure of Invention

The invention aims to provide a test device and a test method for detecting the strength of a gearbox, so as to solve the problem of inaccurate test results in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a test equipment for gear box intensity detects, be provided with open-ended fixed frame including the front side, the equal vertical slide rail of having seted up of both sides inner wall of fixed frame, and sliding connection has the slider in the slide rail, and is two sets of the opposite side of slider is all connected on placing the platform, the top both sides of placing the platform all are provided with bolt anchor clamps, the even vertical screw of having seted up in both sides of fixed frame, the both sides upper portion of placing the platform all has adjusting screw through threaded connection, adjusting screw runs through one of them a set of the screw extends to the outside of fixed frame, the top inner wall of fixed frame is provided with impact test mechanism, and impact test mechanism is located the top of placing the platform, the rear side of fixed frame is provided with pushing mechanism, the vertical logical groove of having seted up in rear side upper portion of fixed frame.

Preferably, the impact test mechanism comprises a ball striking assembly, the top of the ball striking assembly is connected with a quick pushing assembly, and the ball striking assembly is in sliding connection with the through groove.

Preferably, hit the ball subassembly and include the round bar of sliding connection on leading to the groove, the rear end of round bar extends to the rear side of fixed frame, the bottom front side of round bar is provided with the connecting rod, the bottom of connecting rod is connected with hits the ball, and hits the ball and be located the top of placing the platform.

Preferably, the fast subassembly that pushes away is including setting up the fixed cover on fixed frame top inner wall, the bottom of fixed cover is provided with the bottom plate, the vertical dead lever that has run through on the bottom plate, the bottom of dead lever is connected on the round bar, the top of dead lever is connected with the connecting plate, the top of connecting plate is connected with magnet one, the bottom of connecting plate is provided with the spring one that cup joints on the dead lever, the top inner wall of fixed cover is provided with magnet two subassemblies.

Preferably, magnet two subassemblies are including connecting the guide arm on fixed cover top inner wall, sliding connection has the sleeve pipe on the guide arm, sheathed tube bottom is connected on the fixed plate, the bottom of fixed plate is connected on magnet two, magnet two is located the top of magnet one, and be like poles repulsion structure between magnet two and the magnet one, the top of fixed plate is provided with cup joints spring two on the sleeve pipe, the top of spring two is connected on fixed cover.

Preferably, pushing mechanism is including setting up the motor cabinet at fixed frame rear side, the top of motor cabinet is provided with the motor, the power end of motor is connected with the pivot, evenly be provided with the elastic rod in the pivot, the rear side of elastic rod is located the place ahead of round bar rear end.

The method for testing the strength of the gearbox specifically comprises the following steps:

s1: placing a gear box to be detected on a placing table, fixing the gear box to be detected through a bolt clamp, taking down the adjusting screw rods on two sides, enabling the sliding block of the placing table to slide on the fixing frame, stopping when the top of the gear box is contacted with a collision ball, then screwing the adjusting screw rods on screw holes with matched heights, and continuing to rotate the adjusting screw rods until the gear box is fixed with the placing table;

s2: the motor is controlled to drive the rotating shaft to rotate, so that the elastic rod rotates along with the rotating shaft, when the elastic rod passes through the round rod, the elastic rod is elastically deformed and pushes the round rod to move upwards on the through groove, and then the connecting rod drives the collision ball to move upwards and leave the gear box;

s3: the round rod drives the fixed rod to move upwards, so that the connecting plate drives the first magnet to move upwards, the first spring is stretched, the first magnet pushes the second magnet to move upwards through the magnetism of the first magnet, the second spring is driven to contract, when the round rod is extruded to the topmost end of a stroke by the rotating elastic rod, the fixed plate does not contact the fixed cover at the moment, and after the elastic rod rotates and is separated from the round rod, the fixed rod can drive the round rod to move downwards quickly through the repulsion force between the second magnet and the first magnet and the reset force of the first spring and the second spring, so that the collision ball is driven to perform primary collision detection on the top of the gear box;

s4: the motor is continuously controlled to drive the elastic rods to rotate, the next group of elastic rods can finish once impact detection again after passing through the round rods, and then impact detection can be finished on the gear box, and the gear box is tested by recording the impact times and observing whether the gear box deforms or not, so that the test result of the gear box is obtained.

Compared with the prior art, the invention has the beneficial effects that: when the elastic rod passes through the round rod, the elastic rod generates elastic deformation to push the round rod to move upwards, so that the connecting rod drives the collision ball to move upwards to leave the gear box, meanwhile, the first magnet moves upwards to stretch the first spring, the first magnet pushes the second magnet to move upwards through the magnetism of the first magnet, so that the second spring is driven to contract, after the elastic rod rotates to be separated from the round rod, the fixing rod can drive the round rod to move downwards quickly through the repulsion force between the second magnet and the first magnet and the reset force of the first spring and the second spring, so that the collision ball is driven to perform one-time collision detection on the top of the gear box, the distance between the first magnet and the second magnet does not need to be provided with a structure through the arrangement of the first magnet and the second magnet which have the same polarities, the cost can be reduced, because the heights of the collision balls at each time are the same, the expansion amount of the first spring is the same as the expansion amount of the second spring, and the impact force on the gear box at each time is the same, thereby compare through artifical hammering, can effectively improve the accuracy of test result.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic rear view of the structure of the present invention;

FIG. 3 is a schematic structural view of an impact testing mechanism according to the present invention;

FIG. 4 is a partial schematic view of the structure of the push-pull assembly of the present invention;

fig. 5 is a schematic cross-sectional view of the structure of the push assembly of the present invention.

In the figure: 1. a fixing frame; 2. a slider; 3. a placing table; 4. a bolt clamp; 5. a screw hole; 6. adjusting the screw rod; 7. an impact test mechanism; 71. a ball striking assembly; 711. a round bar; 712. a connecting rod; 713. knocking the ball; 72. a fast push component; 721. a fixed cover; 722. a base plate; 723. fixing the rod; 724. a connecting plate; 725. a magnet I; 726. a first spring; 727. a magnet II component; 7271. a guide bar; 7272. a sleeve; 7273. a fixing plate; 7274. a second magnet; 7275. a second spring; 8. a pushing mechanism; 81. a motor base; 82. a motor; 83. a rotating shaft; 84. an elastic rod; 9. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A test device for detecting the strength of a gear box, please refer to fig. 1 to 3, which comprises a fixed frame 1 with an opening at the front side, slide rails are vertically arranged on the inner walls of the two sides of the fixed frame 1, slide blocks 2 are connected in the slide rails in a sliding manner, the opposite sides of the two sets of slide blocks 2 are connected on a placing table 3, bolt clamps 4 are arranged on the two sides of the top of the placing table 3, the bolt clamps 4 are used for fixing the gear box to be detected, screw holes 5 are uniformly and vertically arranged on the two sides of the fixed frame 1, the height of the placing table 3 is adjustable by arranging the screw holes 5 with different heights, so that the tops of the gear boxes with different sizes are fixed at the same height when the gear box is placed on the placing table 3, so as to facilitate the subsequent impact test, adjusting screw rods 6 are connected with the upper parts of the two sides of the placing table 3 through threads, and the adjusting screw rods 6 extend to the outer side of the fixed frame 1 through one set of the screw holes 5, the top inner wall of fixed frame 1 is provided with impact test mechanism 7, and impact test mechanism 7 is located the top of placing platform 3, and the rear side of fixed frame 1 is provided with pushing mechanism 8, and the vertical logical groove 9 of having seted up in rear side upper portion of fixed frame 1.

Put the gear box that will wait to detect and place platform 3 to it is fixed through bolt anchor clamps 4, take off the adjusting screw 6 of both sides, make the slider 2 of placing platform 3 slide on fixed frame 1, stop when the top of gear box reaches and sets up when high, again with adjusting screw 6 spiro union on screw 5 of assorted height this moment, continue rotatory adjusting screw 6, until with place platform 3 fixed, carry out the impact test through impact test mechanism 7 to the gear box.

Example 2

A test device for detecting the strength of a gear box is disclosed, please refer to fig. 1 to 5, and comprises a fixed frame 1 with an opening at the front side, slide rails are vertically arranged on the inner walls of the two sides of the fixed frame 1, slide blocks 2 are connected in the slide rails in a sliding manner, the opposite sides of the two sets of slide blocks 2 are connected on a placing table 3, bolt clamps 4 are arranged on the two sides of the top of the placing table 3, the bolt clamps 4 are used for fixing the gear box to be detected, screw holes 5 are uniformly and vertically arranged on the two sides of the fixed frame 1, the height of the placing table 3 is adjustable by arranging the screw holes 5 with different heights, so that the top of the gear box with different sizes is fixed at a height contacting with a collision ball 713 when the gear box is placed on the placing table 3, so as to facilitate the subsequent collision test, adjusting screw rods 6 are connected on the upper parts of the two sides of the placing table 3 through threads, and the adjusting screw rods 6 extend to the outer side of the fixed frame 1 through one set of the screw holes 5, the top inner wall of fixed frame 1 is provided with impact test mechanism 7, and impact test mechanism 7 is located the top of placing platform 3, and the rear side of fixed frame 1 is provided with pushing mechanism 8, and the vertical logical groove 9 of having seted up in rear side upper portion of fixed frame 1.

The impact testing mechanism 7 comprises a ball striking assembly 71, a quick pushing assembly 72 is connected to the top of the ball striking assembly 71, and the ball striking assembly 71 is slidably connected with the through groove 9.

The ball striking assembly 71 comprises a round bar 711 slidably connected to the through groove 9, the rear end of the round bar 711 extends to the rear side of the fixing frame 1, a connecting bar 712 is arranged at the front side of the bottom of the round bar 711, a ball striking 713 is connected to the bottom end of the connecting bar 712, and the ball striking 713 is located above the placing table 3.

The fast push assembly 72 comprises a fixed cover 721 arranged on the inner wall of the top of the fixed frame 1, a bottom plate 722 is arranged at the bottom of the fixed cover 721, a fixed rod 723 vertically penetrates through the bottom plate 722, the bottom end of the fixed rod 723 is connected to the round rod 711, a connecting plate 724 is connected to the top end of the fixed rod 723, a first magnet 725 is connected to the top end of the connecting plate 724, a first spring 726 sleeved on the fixed rod 723 is arranged at the bottom of the connecting plate 724, and a second magnet assembly 727 is arranged on the inner wall of the top of the fixed cover 721.

The magnet subassembly 727 comprises a guide rod 7271 connected to the inner wall of the top of the fixed cover 721, a sleeve 7272 is connected to the guide rod 7271 in a sliding manner, the bottom end of the sleeve 7272 is connected to the fixed plate 7273, the bottom end of the fixed plate 7273 is connected to the magnet subassembly 7274, the magnet subassembly 7274 is positioned above the magnet subassembly 725, the magnet subassembly 7274 and the magnet subassembly 725 are in a structure in which the two magnets repel each other like one another, when the magnet subassembly 7274 is not extruded by the round rod 711, a certain distance is reserved between the two magnets 7274 and the magnet subassembly 725, a spring subassembly 7275 sleeved on the sleeve 7272 is arranged at the top of the fixed plate 7273, the top of the spring subassembly 7275 is connected to the fixed cover 721, and the sleeve 7272 and the guide rod 7271 can play a role in guiding the movement of the two magnets 7274.

The pushing mechanism 8 comprises a motor base 81 arranged on the rear side of the fixed frame 1, a motor 82 is arranged at the top of the motor base 81, a rotating shaft 83 is connected to a power end of the motor 82, the motor 82 is connected with the power end of the motor through a speed reducer, elastic rods 84 are evenly arranged on the rotating shaft 83, and the rear sides of the elastic rods 84 are located in front of the rear end of the round rod 711.

The gear box to be detected is placed on a placing table 3 and fixed through a bolt clamp 4, adjusting screws 6 on two sides are taken down, a sliding block 2 of the placing table 3 slides on a fixing frame 1, when the top of the gear box is contacted with a ball 713, the gear box stops, the adjusting screws 6 are screwed on screw holes 5 with matched heights at the moment, the adjusting screws 6 continue to rotate until the gear box is fixed with the placing table 3, a control motor 82 drives a rotating shaft 83 to rotate at a set speed, an elastic rod 84 rotates along with the gear box, when the elastic rod 84 passes through a round rod 711, the elastic rod 84 generates elastic deformation and pushes the round rod 711 to move upwards on a through groove 9, a connecting rod 712 drives the ball 713 to move upwards to leave the gear box, the round rod 711 drives a fixing rod 723 to move upwards, a connecting plate 724 drives a magnet 725 to move upwards, meanwhile, a spring 726 is stretched, the magnet 725 pushes a magnet 7274 to move upwards through the magnetism of the magnet 725, and then drive the second spring 7275 to contract, when the round bar 711 is extruded to the topmost end of the stroke by the rotating elastic rod 84, at this moment, the fixed plate 7273 does not contact the fixed cover 721, this is to avoid blocking the elastic rod 84, and then after the elastic rod 84 rotates and breaks away from the round bar 711, through the repulsive force between the second magnet 7274 and the first magnet 725, the first spring 726 and the restoring force of the second spring 7275, the fixed rod 723 can drive the round bar 711 to move down rapidly, so as to drive the ball 713 to perform a collision detection on the top of the gearbox, continue to control the motor 82 to drive the elastic rod 84 to rotate, after the next group of elastic rods 84 passes through the round bar 711 again, a collision detection can be completed again, and then the collision detection can be completed on the gearbox, through recording the number of collisions and observing whether the gearbox is deformed, to obtain the test result of the gearbox, through setting the first magnet 725 and the second magnet 7274 which are repulsive like, therefore, a structure is not needed to be arranged between the first magnet 725 and the second magnet 7274, cost can be reduced, and due to the fact that the height of each bumping ball 713 is the same, the stretching amount of the first spring 726 is the same as that of the second spring 7275, the impact force to the gear box is the same each time, and therefore compared with the manual hammering method, accuracy of a test result can be effectively improved.

The method for testing the strength detection of the gearbox by using the testing device for testing the strength detection of the gearbox in the embodiment 2 comprises the following steps:

s1: placing a gear box to be detected on a placing table 3, fixing the gear box through a bolt clamp 4, taking down adjusting screws 6 on two sides, enabling a sliding block 2 of the placing table 3 to slide on a fixing frame 1, stopping when the top of the gear box is contacted with a collision ball 713, then screwing the adjusting screws 6 on screw holes 5 with matched heights, and continuing to rotate the adjusting screws 6 until the gear box is fixed with the placing table 3;

s2: the control motor 82 drives the rotating shaft 83 to rotate, so that the elastic rod 84 rotates along with the rotating shaft, when the elastic rod 84 passes through the round rod 711, the elastic rod 84 is elastically deformed and pushes the round rod 711 to move upwards on the through groove 9, and the connecting rod 712 drives the collision ball 713 to move upwards and leave the gear box;

s3: the round rod 711 drives the fixing rod 723 to move upwards, so that the connecting plate 724 drives the first magnet 725 to move upwards, the first spring 726 is stretched, the first magnet 725 pushes the second magnet 7274 to move upwards through the magnetism of the first magnet, and then drives the second spring 7275 to contract, when the round rod 711 is extruded to the top end of a stroke by the rotating elastic rod 84, at the moment, the fixing plate 7273 does not contact the fixing cover 721, and after the elastic rod 84 rotates and is separated from the round rod 711, the fixing rod 723 can drive the round rod 711 to move downwards quickly through the repulsive force between the second magnet 7274 and the first magnet 725, the first spring 726 and the restoring force of the second spring 7275, so that the collision ball 713 is driven to perform primary collision detection on the top of the gearbox;

s4: the motor 82 is continuously controlled to drive the elastic rods 84 to rotate, the next group of elastic rods 84 can finish once impact detection again after passing through the round rod 711 again, then impact detection can be finished on the gear box, and the test result of the gear box is obtained by recording the impact times and observing whether the gear box deforms or not.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.