CN113155448A

CN113155448A - Gearbox test bench

Info

Publication number: CN113155448A
Application number: CN202110445475.1A
Authority: CN
Inventors: 马玉
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-07-23
Anticipated expiration: 2041-04-25
Also published as: CN113155448B

Abstract

The invention discloses a gearbox test bed, which comprises a base, wherein an engine is arranged on the base, a first coupler is fixedly connected to the engine, a torque tester is fixedly connected to the first coupler, a second coupler is fixedly connected to the torque tester, a gearbox unit is fixedly connected to the second coupler, a third coupler is fixedly connected to the gearbox unit, a flywheel is fixedly connected to the third coupler, the torque tester and the gearbox unit are respectively and fixedly connected to the base, the flywheel is fixedly connected to the base through a flywheel base, a lifting device is arranged on the base, and the lifting device is positioned on one side of the gearbox unit; the gearbox unit comprises a gearbox base with adjustable height and horizontal position, the gearbox base is fixedly connected with the base, and a gearbox is installed on the adjustable base. The invention can flexibly deal with detection equipment of gearboxes with different specifications and sizes, has simple and convenient operation and effectively improves the working efficiency of tests.

Description

Gearbox test bench

Technical Field

The invention relates to the technical field of automobile accessory detection equipment, in particular to a gearbox test bed.

Background

With the rapid development of the automobile industry, a gearbox serves as one of the core components of an automobile, the structure is complex, detection is an important part for ensuring the quality of the gearbox, and related manufacturing enterprises have great requirements on detection equipment of the gearbox, such as the gearbox to be delivered from a factory after assembly, product sampling inspection, defective products returned from the market and inspection defective products all need related detection equipment.

In the prior art, most of detection equipment for gearboxes are designed for gearboxes of several mainstream specifications, but in actual work, the gearboxes of various specifications are frequently encountered, and technical personnel urgently need detection equipment capable of flexibly coping with gearboxes of different specifications and sizes.

Disclosure of Invention

The invention aims to provide a gearbox test bed to solve the problems in the prior art, so that the test bed can flexibly deal with detection equipment of gearboxes with different specifications and sizes, is simple and convenient to operate, and effectively improves the test working efficiency.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a gearbox test bed, which comprises a base, wherein an engine, a torque tester, a gearbox unit and a flywheel are sequentially arranged on the base; the gearbox unit comprises a gearbox base with adjustable height and horizontal position, the gearbox base is fixedly connected with the base, and a gearbox is installed on the gearbox base.

Preferably, the gearbox base includes the bottom plate, the bottom plate with base fixed connection, sliding connection has the lifting mechanism on the bottom plate, the lifting mechanism is connected with the backing plate, the backing plate with the gearbox can be dismantled and be connected.

Preferably, lifting mechanism includes the slider, the slider with bottom plate sliding connection, slider central point puts and has seted up the cell body, the cell body internal fixation has the motor, fixedly connected with short lead screw on the output shaft of motor, be fixed with the slip external member on the slider, the slip external member with backing plate fixed connection, be fixed with two sets of supports on the slider, it is two sets of the support is located respectively the motor both sides, every group rotate on the support and be connected with the pivot, be fixed with the gear in the middle of the pivot, the gear with short lead screw meshing, the pivot both ends are fixedly connected with branch respectively, the spout has been seted up to the one end that pivot was kept away from to branch, the slip external member with spout sliding connection.

Preferably, leveling mechanism is installed respectively to backing plate top surface both sides, leveling mechanism includes the mounting groove, install the telescoping device in the mounting groove, the support bar is installed on the telescoping device top.

Preferably, a plurality of first springs are fixed to the tops of the supporting bars, a semi-flexible plate is fixed to the tops of the first springs, and a plurality of trapezoidal blocks are fixed to the tops of the semi-flexible plate.

Preferably, the top surface of the bottom plate is provided with a through groove, a plurality of polished rods are erected in the through groove, the sliding block is provided with a plurality of through holes, and the through holes are in sliding connection with the polished rods.

Preferably, be located lead to the groove outside a plurality of hole grooves have been seted up to equidistant on the polished rod, T type step hole has been seted up to through-hole one side, sliding connection has T type round pin in the T type step hole, the one end that T type round pin is close the polished rod is fixed with a plurality of archs, protruding with hole groove looks adaptation, the cover is equipped with the second spring on the T type round pin, the second spring is located between T type round pin and the T type step hole, the one end that the polished rod was kept away from to the T type round pin is fixed with the pull ring.

Preferably, the backing plate is provided with a plurality of mounting holes.

The invention discloses the following technical effects: according to the invention, the gearbox is placed on the gearbox base by the hoisting device, and the height and the horizontal position of the gearbox base are adjusted according to the type and the size of the gearbox, so that the horizontal positions of the gearbox, the torque tester and the flywheel are kept consistent, the butt joint or the separation of the gearbox, the torque tester and the flywheel can be realized, the centering efficiency is high, and the labor intensity is low.

The invention can flexibly deal with detection equipment of gearboxes with different specifications and sizes, has simple and convenient operation and effectively improves the working efficiency of tests.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic structural view of a transmission test stand;

FIG. 2 is a schematic structural view of a transmission base;

FIG. 3 is a schematic structural view of a leveling mechanism;

FIG. 4 is a top view of the backing plate;

FIG. 5 is a schematic view of the T-shaped pin mating with the T-shaped stepped bore;

FIG. 6 is a top view of the base plate;

FIG. 7 is a schematic structural view of the sleeve;

FIG. 8 is a schematic structural view of the column;

in the figure: the device comprises a base 1, an engine 2, a first coupler 3, a torque tester 4, a second coupler 5, a third coupler 6, a flywheel 7, a flywheel base 8, a hoisting device 9, a gearbox 10, a bottom plate 11, a sliding block 12, a groove body 13, a motor 14, a short lead screw 15, a backing plate 16, a sleeve 17, a long strip hole 18, an upright post 19, a top plate 20, a support 21, a rotating shaft 22, a gear 23, a supporting rod 24, a sliding chute 25, a sliding rod 26, a mounting groove 27, a first connecting rod 28, a supporting strip 29, a first T-shaped groove 30, a first T-shaped block 31, a second T-shaped groove 32, a second T-shaped block 33, a second connecting rod 34, a positioning bearing 35, a lead screw 36, a first spring 37, a semi-flexible plate 38, a trapezoidal block 39, a through groove 40, a polished rod 41, a hole groove 42, a T-shaped stepped hole 43, a T-shaped pin 44, a protrusion 45, a second spring 46 and a pull ring 47.

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.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The invention provides a gearbox test bench which comprises a base 1, wherein an engine 2 is installed on the base 1, a first coupler 3 is fixedly connected to the engine 2, a torque tester 4 is fixedly connected to the first coupler 3, a second coupler 5 is fixedly connected to the torque tester 4, a gearbox unit is fixedly connected to the second coupler 5, a third coupler 6 is fixedly connected to the gearbox unit, a flywheel 7 is fixedly connected to the third coupler 6, the torque tester 4 and the gearbox unit are respectively and fixedly connected with the base 1, the flywheel 7 is fixedly connected with the base 1 through a flywheel base 8, a hoisting device 9 is installed on the base 1, and the hoisting device 9 is located on one side of the gearbox unit;

the gearbox unit comprises a gearbox base with adjustable height and horizontal position, the gearbox base is fixedly connected with the base 1, and a gearbox 10 is installed on the adjustable base.

When the device is used, the gearbox 10 is placed on the gearbox base through the lifting device 9, the height and the horizontal position of the gearbox base are adjusted according to the type and the size of the gearbox 10, the gearbox 10 is enabled to be consistent with the horizontal positions of the torque tester 4 and the flywheel 7, and the gearbox 10 can be tested by connecting the second coupling 5 and the third coupling 6.

Further optimization scheme, the gearbox base includes bottom plate 11, bottom plate 11 with 1 fixed connection of base, sliding connection has lifting mechanism on bottom plate 11, makes lifting mechanism can the horizontal slip on bottom plate 11 to the distance of adjustment gearbox 10 and torque tester 4, conveniently is connected with second shaft coupling 5, lifting mechanism is connected with backing plate 16, backing plate 16 with gearbox 10 passes through the bolt and can dismantle the connection, and lifting mechanism can adjust the height of backing plate 16, makes gearbox 10 and torque tester 4 and flywheel 7's horizontal position keep unanimous.

In a further optimized scheme, the lifting mechanism comprises a sliding block 12, the sliding block 12 is slidably connected with the bottom plate 11, a groove 13 is formed in the center of the sliding block 12, a motor 14 is fixed in the groove 13, a short screw rod 15 is fixedly connected to an output shaft of the motor 14, a sliding kit is fixed on the sliding block 12, the sliding kit comprises four sleeves 17, the sleeves 17 are fixedly connected with the sliding block 12, long holes 18 are formed in two sides of each sleeve 17, an upright post 19 penetrates through each sleeve 17, each sleeve 17 serves as a guide of each upright post 19, each upright post 19 slides in each sleeve 17 to prevent the corresponding upright post 19 from being dislocated, a top plate 20 is fixedly connected to the top of each upright post 19, the top plate 20 is fixedly connected with the backing plate 16, two groups of supports 21 are fixed on the sliding block 12, the two groups of supports 21 are respectively located on two sides of the motor 14, and two groups of supports 21 are arranged to maintain the stability of the top plate 20, prevent that roof 20 skew from rocking, every group rotate on the support 21 and be connected with pivot 22, be fixed with gear 23 in the middle of the pivot 22, gear 23 with the meshing of short lead screw 15, pivot 22 both ends fixedly connected with branch 24 respectively, branch 24 keeps away from the one end of pivot 22 and has seted up

spout

25, 19 bottoms of stands are fixed with slide bar 26, slide bar 26 is located inside spout 25, branch 24 with rectangular hole 18 sliding connection.

When the gearbox 10 needs to be lifted, the motor 14 is started, the motor 14 rotates forwards, the short screw 15 drives the gears 23 on the two sides to rotate, the rotating shaft 22 rotates to drive the supporting rod 24 to tend to be in an upright state, the sliding rod 26 slides in the sliding groove 25, the support 21 pushes the upright post 19 to move upwards, the gearbox 10 is lifted to a specified position, and the motor 14 is stopped; when the gearbox 10 needs to be lowered, the motor 14 is started, the motor 14 is enabled to rotate reversely, the short screw rods 15 drive the gears 23 on the two sides to rotate, the rotating shaft 22 rotates to drive the supporting rods 24 to tend to be in a horizontal state, the sliding rods 26 slide in the sliding grooves 25, and the support 21 pushes the upright posts 19 to move downwards, so that the gearbox 10 is lowered to a specified position, and the motor 14 is stopped.

Further optimize the scheme, leveling mechanism is installed respectively to backing plate 16 top surface both sides, leveling mechanism includes mounting groove 27, install the telescoping device in the mounting groove 27, the support bar 29 is installed on the telescoping device top.

The telescopic device comprises a group of first connecting rods 28, the first connecting rods 2 are hinged with the mounting grooves 27, the top end of the first connecting rod 28 is hinged with a supporting bar 29, the bottom of the mounting groove 27 is provided with a first T-shaped groove 30, the bottom of the supporting bar 29 is provided with a second T-shaped groove 32, the first T-shaped groove 30 is connected with a first T-shaped block 31 in a sliding way, a second T-shaped block 33 is connected in the second T-shaped groove 32 in a sliding manner, a group of second connecting rods 34 are hinged between the first T-shaped block 31 and the second T-shaped block 33, the second connecting rod 34 is positioned at the inner side of the first connecting rod 28, the adjacent first connecting rod 28 is hinged with the middle part of the second connecting rod 34, two positioning bearings 35 are fixed at the bottom of the mounting groove 27, a screw rod 36 is fixed between the two positioning bearings 35, the lead screw 36 is in threaded connection with the first T-shaped block 31, and one side of the lead screw 36 is connected with a driving piece.

Some gearboxes 10 are of a conical structure, the backing plate 16 in a horizontal state cannot provide support for the gearboxes 10 in such a shape, at this time, the driving piece is started, the screw rod 36 is rotated, the first T-shaped block 31 is moved leftwards, the first T-shaped block 31 and the second T-shaped block 33 are gradually close to each other, the second connecting rod 34 and the first connecting rod 28 tend to be in an upright state, the supporting bar 29 jacks up one side of the gearboxes 10, the gearboxes 10 are adjusted to be in a horizontal state, the gearboxes 10 are conveniently connected with adjacent mechanisms, when the supporting bar 29 is not needed, the screw rod 36 is rotated reversely, the first T-shaped block 31 is moved rightwards, the first T-shaped block 31 and the second T-shaped block 33 are gradually far away, the second connecting rod 34 and the first connecting rod 28 tend to be in a horizontal state, and the supporting bar 29 is accommodated in the mounting groove 27.

The driving piece can be the motor, also can be the crank, and mounting groove 27 bottom and two location bearing 35 outer loop fixed connection, two location bearing 35 inner ring and lead screw 36 fixed connection are fixed with the hexagon socket on being close the location bearing 35 inner ring of 27 lateral walls in mounting groove, and the jack has been seted up to 27 lateral walls in mounting groove, and crank accessible jack inserts the hexagon socket, waves the crank and can control lead screw 36 rotation.

Further optimize the scheme, the top of the support bar 29 is fixed with a plurality of first springs 37, the top of each first spring 37 is fixed with a semi-flexible plate 38, the top of each semi-flexible plate 38 is fixed with a plurality of trapezoidal blocks 39, when the gearbox 10 with the conical structure is pressed downwards, the stressed first springs 37 contract, the semi-flexible plates 38 are changed into arc shapes, the side walls of the adjacent trapezoidal blocks 39 are gradually close to each other and even are attached, the semi-flexible plates 38 cannot be bent after being bent to a certain degree, and the shape of the attached gearbox 10 is matched with the first springs 37 to provide upward supporting force.

Further optimization scheme, logical groove 40 has been seted up to bottom plate 11 top surface, it has a plurality of polished rods 41 to erect in the logical groove 40, a plurality of through-holes have been seted up on the slider 12, the through-hole with polished rod 41 sliding connection, slider 12 pass through the through-hole and slide on polished rod 41, and the position of adjustment horizontal direction facilitates the installation gearbox 10.

According to the further optimized scheme, a plurality of hole grooves 42 are equidistantly formed in the polish rod 41 and located on the outer side of the through groove 40, a T-shaped stepped hole 43 is formed in one side of the through hole, a T-shaped pin 44 is connected in the T-shaped stepped hole 43 in a sliding mode, a plurality of protrusions 45 are fixed to one end, close to the polish rod 41, of the T-shaped pin 44, the protrusions 45 are matched with the hole grooves 42, a second spring 46 is sleeved on the T-shaped pin 44, the second spring 46 is located between the T-shaped pin 44 and the T-shaped stepped hole 43, a pull ring 47 is fixed to one end, far away from the polish rod 41, of the T-shaped pin 44, the pull ring 47 is pulled up to enable the protrusions 45 to be separated from the hole grooves 42, the bottom plate 11 is pushed to a set position, the pull ring 47 is loosened, the T-shaped pin 44 is reset through the second spring 46, the protrusions 45 are inserted into the hole grooves 42, and the position of the bottom plate 11 is locked.

According to the further optimized scheme, the base plate 16 is provided with a plurality of mounting holes, the mounting holes are irregularly distributed on the base plate 16, and when the gearbox 10 is mounted, the gearbox 10 and the corresponding mounting holes are fixed through bolts.

According to a further optimized scheme, a plurality of grooves 48 are formed in the side face of the upright post 19, rollers 49 are connected in the grooves 48 in a connecting mode, the rollers 49 are in contact connection with the inner side of the sleeve 17, the rollers 49 can prevent the upright post 19 from shaking in the sleeve 17, resistance of the upright post 19 during ascending or descending can be reduced, and the upright post 19 can be conveniently lifted.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a gearbox test bench which characterized in that: the device comprises a base (1), wherein an engine (2), a torque tester (4), a gearbox unit and a flywheel (7) are sequentially arranged on the base (1), a hoisting device (9) is arranged on the base (1), and the hoisting device (9) is positioned on one side of the gearbox unit; the gearbox unit comprises a gearbox base with adjustable height and horizontal position, the gearbox base is fixedly connected with the base (1), and a gearbox (10) is installed on the gearbox base.

2. The transmission test rig of claim 1, wherein: the gearbox base comprises a bottom plate (11), the bottom plate (11) is fixedly connected with the base (1), a lifting mechanism is connected to the bottom plate (11) in a sliding mode and is connected with a base plate (16), and the base plate (16) is detachably connected with the gearbox (10).

3. The transmission test rig of claim 2, wherein: the lifting mechanism comprises a sliding block (12), the sliding block (12) is connected with the bottom plate (11) in a sliding mode, a groove body (13) is formed in the center of the sliding block (12), a motor (14) is fixed in the groove body (13), a short lead screw (15) is fixedly connected to an output shaft of the motor (14), a sliding sleeve is fixed on the sliding block (12), the sliding sleeve is fixedly connected with the backing plate (16), two groups of supports (21) are fixed on the sliding block (12), the two groups of supports (21) are respectively located on two sides of the motor (14), a rotating shaft (22) is rotatably connected to each group of supports (21), a gear (23) is fixed in the middle of the rotating shaft (22), the gear (23) is meshed with the short lead screw (15), supporting rods (24) are fixedly connected to two ends of the rotating shaft (22) respectively, a sliding groove (25) is formed in one end, far away from the rotating shaft (22), of each supporting rod (24), the sliding sleeve is connected with the sliding groove (25) in a sliding mode.

4. The transmission test rig of claim 2, wherein: leveling mechanism is installed respectively to backing plate (16) top surface both sides, leveling mechanism includes mounting groove (27), install the telescoping device in mounting groove (27), support bar (29) are installed on the telescoping device top.

5. The transmission test rig of claim 4, wherein: a plurality of first springs (37) are fixed to the tops of the supporting bars (29), a semi-flexible plate (38) is fixed to the tops of the first springs (37), and a plurality of trapezoidal blocks (39) are fixed to the tops of the semi-flexible plate (38).

6. The transmission test rig of claim 3, wherein: the top surface of the bottom plate (11) is provided with a through groove (40), a plurality of polish rods (41) are erected in the through groove (40), the slide block (12) is provided with a plurality of through holes, and the through holes are in sliding connection with the polish rods (41).

7. The transmission test rig of claim 6, wherein: be located lead to groove (40) the outside a plurality of hole grooves (42) have been seted up to polished rod (41) equidistance, T type step hole (43) have been seted up to through-hole one side, sliding connection has T type round pin (44) in T type step hole (43), the one end that T type round pin (44) is close polished rod (41) is fixed with a plurality of archs (45), arch (45) with hole groove (42) looks adaptation, the cover is equipped with second spring (46) on T type round pin (44), second spring (46) are located between T type round pin (44) and T type step hole (43), the one end that polished rod (41) were kept away from to T type round pin (44) is fixed with pull ring (47).

8. The transmission test rig of claim 2, wherein: the backing plate (16) is provided with a plurality of mounting holes.