CN210136070U

CN210136070U - Positioning and pushing device for gearbox test bed

Info

Publication number: CN210136070U
Application number: CN201920867732.9U
Authority: CN
Inventors: 代冠军; 刘红; 王军
Original assignee: Anhui Heli Co Ltd
Current assignee: Anhui Heli Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-10
Anticipated expiration: 2029-06-11

Abstract

The utility model relates to a location pusher for gearbox test bench, including the base, the top of base is equipped with the slide, and the last face of slide is equipped with the backing plate that is used for supporting the gearbox casing, and the last face of slide still is equipped with first locating surface and second locating surface, and first locating surface is used for cooperateing the location with the flange of gearbox casing terminal surface, and the second locating surface is used for cooperateing the location with the flange circle excircle of rack assembly, and the flange circle excircle and the input integral key shaft of rack assembly are concentric. According to the above technical scheme, the utility model discloses a first locating surface and location boss can fix a position the flange of gearbox housing front end, the utility model discloses a second locating surface can fix a position the flange circle excircle of rack assembly, the utility model discloses a slide can follow base rectilinear sliding to can realize the butt joint of integral key shaft on the gearbox and the input integral key shaft of rack assembly, positioner on the gearbox and the positioner that the flange circled or break away from, centering efficiency is high, low in labor strength.

Description

Positioning and pushing device for gearbox test bed

Technical Field

The utility model relates to a gearbox test bench field, concretely relates to location pusher for gearbox test bench.

Background

When the existing gearbox test device is used for carrying out gearbox bench tests, the assembly of the gearbox and the test bench is carried out by means of a hoisting device. Firstly, the gearbox is hoisted to the position of a test bed by using a hoisting device, an operator operates the hoisting device with one hand to control the hoisting height and the relative position of the gearbox, and repeatedly tries to align a transmission spline shaft on the gearbox and a positioning tool with the other hand, and forcibly pushes the gearbox to the test bed, namely pushes the spline shaft and the positioning tool into the test bed, so that the assembly of the gearbox on the test bed can be completed. After the gearbox test is finished, the gearbox is also lifted to a proper height position by multiple attempts through the lifting device, then the gearbox is pulled out of the test bench, and the gearbox is separated from the test bench.

This type of assembly has the following disadvantages: 1. when the gearbox is combined with the test bed, an operator is required to control the lifting device, the lifting position of the gearbox is repeatedly adjusted for many times, the spline shaft on the gearbox is aligned with the corresponding position on the positioning tool and the test bed, and the centering efficiency is low. Meanwhile, the centering is tried for many times, an operator needs to try to push the gearbox to the test bed frame to be jointed forcibly every time, and the labor intensity is high. 2. When the gearbox breaks away from the test bench, the operator is also required to control the lifting device, the lifting position of the gearbox is repeatedly adjusted for many times, the gearbox is pulled out of the test bench in many attempts, the labor intensity is high, and the separation efficiency of the gearbox and the test bench is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a location pusher for gearbox test bench, this location pusher can solve gearbox and test bench assembly centering efficiency not high and the centering attaches together the problem that intensity of labour is big.

In order to achieve the above purpose, the utility model adopts the following technical scheme: including fixing the base on the test bench, the top of base is equipped with and forms sliding fit's slide with the base, the slip direction of slide is identical with the axial of gearbox, the last face of slide is equipped with the backing plate that is used for supporting the gearbox casing, and when the gearbox was arranged in on the backing plate, the integral key shaft on the gearbox was concentric with the input integral key shaft on the rack assembly, the last face of slide still is equipped with first locating surface and second locating surface, first locating surface be used for with the flange cooperation location of gearbox casing terminal surface, the second locating surface be used for with the flange circle excircle cooperation location of rack assembly, the flange circle excircle of rack assembly is concentric with the input integral key shaft.

The upper plate surface of the sliding plate is provided with a positioning support which is integrally U-shaped on one side close to the rack assembly, the positioning support is fixed with the sliding plate through a support connecting plate, and the positioning support comprises a bottom plate, a first side plate and a second side plate which are integrally formed.

First locating surface including setting up the first inclined plane on first curb plate and second curb plate respectively, first inclined plane cooperation on first curb plate and the second curb plate forms wholly the first locating surface for the V-arrangement, the second locating surface including setting up the second inclined plane on first curb plate and second curb plate respectively, the cooperation of second inclined plane on first curb plate and the second curb plate forms wholly the second locating surface for the V-arrangement, and the one end that first locating surface and second locating surface are close to mutually is equipped with the flange face matched with location boss with gearbox housing end face.

The lower plate surface of the sliding plate is provided with a sliding block, and the upper surface of the base is provided with a sliding rail matched with the sliding block.

According to the above technical scheme, the utility model discloses a first locating surface and location boss can fix a position the flange of gearbox housing front end, the utility model discloses a second locating surface can fix a position the flange circle excircle of rack assembly, the utility model discloses a slide can follow base rectilinear sliding to can realize the butt joint of integral key shaft on the gearbox and the input integral key shaft of rack assembly, positioner on the gearbox and the positioner that the flange circled or break away from, centering efficiency is high, low in labor strength.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a schematic view of the three-dimensional structure of the present invention before being matched with the transmission.

Fig. 6 is a cross-sectional view of the present invention prior to engagement with a transmission.

Fig. 7 is a schematic view of the three-dimensional structure of the present invention after being matched with a transmission.

Fig. 8 is a cross-sectional view of the present invention after being engaged with a transmission.

Fig. 9 is a use state diagram of the present invention.

The labels in the figures are: the device comprises a base 1, a slide rail 11, a slide plate 2, a slide block 21, a base plate 3, a positioning support 4, a first positioning surface 41, a second positioning surface 42, a positioning boss 43, a support connecting plate 5, a test bed 10, a driving motor 20, a first rotating speed torque meter 30, a bed assembly 40, an input spline shaft 401, a flange ring 402, a gearbox 50, a spline shaft 501, a flange 502, a pneumatic sliding table 60, a bearing seat 61, a connecting spline 62, a second rotating speed torque meter 70, a speed raising box 80 and a load motor 90.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 4, the positioning and pushing device for the gearbox test bed comprises a base 1 fixed on a test bed 10, a sliding plate 2 in sliding fit with the base 1 is arranged above the base 1, the sliding direction of the sliding plate 2 is matched with the axial direction of a gearbox, specifically, a sliding block 21 is arranged on the lower plate surface of the sliding plate 2, and a sliding rail 11 matched with the sliding block 21 is arranged on the upper surface of the base 1. The upper plate surface of the sliding plate 2 is provided with a backing plate 3 for supporting a shell of the gearbox 50, when the gearbox 50 is arranged on the backing plate 3, a spline shaft 501 on the gearbox 50 is concentric with an input spline shaft 401 on the rack assembly 40, the upper plate surface of the sliding plate 2 is also provided with a first positioning surface 41 and a second positioning surface 42, the first positioning surface 41 is used for being matched and positioned with a flange 502 at the front end of the shell of the gearbox 50, the second positioning surface 42 is used for being matched and positioned with an excircle of a flange ring 402 of the rack assembly 40, and the excircle of the flange ring 402 of the rack assembly 40 is concentric with the input spline shaft 401.

Further, the last face of slide 2 is equipped with the whole locating support 4 that is the U type in the one side that is close to the rack assembly, and locating support 4 is fixed mutually with slide 2 through leg joint board 5, and locating support 4 includes whole fashioned bottom plate and first curb plate, second curb plate. During installation, the bottom plate is connected with the support connecting plate 5 through bolts, and the support connecting plate 5 is connected with the sliding plate 2 through bolts.

Further, first locating surface 41 is including setting up the first inclined plane on first curb plate and second curb plate respectively, first inclined plane cooperation on first curb plate and the second curb plate forms whole first locating surface 41 for the V-arrangement, second locating surface 42 is including setting up the second inclined plane on first curb plate and second curb plate respectively, second inclined plane cooperation on first curb plate and the second curb plate forms whole second locating surface 42 for the V-arrangement, and the one end that first locating surface 41 and second locating surface 42 are close to mutually is equipped with the flange face matched with location boss 43 with gearbox housing end face. That is, the first positioning surface 41 and the positioning boss 43 position the flange 502 at the front end of the casing of the transmission 50, the backing plate 3 supports the bottom surface of the casing of the transmission 50, and the second positioning surface 42 is matched with the outer circle of the flange ring 402 in the rack assembly 40, so as to position the positioning bracket 4 by using the outer circle of the flange ring 402.

The gearbox test bench shown in fig. 9 comprises a driving motor 20, a first rotational speed and torque meter 30, a bench assembly 40, a positioning and pushing device for placing a gearbox 50, a pneumatic sliding table 60, a second rotational speed and torque meter 70, a speed increasing box 80 and a load motor 90 which are sequentially arranged on a test bench 10 and connected through transmission parts. The driving motor 20, the first rotational speed torquemeter 30, the gearbox 50, the second rotational speed torquemeter 70, the speed increasing box 80 and the load motor 90 form a transmission chain, and the bench test of the gearbox 50 is carried out in an electrically closed load mode. The pneumatic slide 60 can drive the bearing seat 61 and the connecting spline 62 thereon to be engaged with or disengaged from the output shaft of the transmission 50.

The utility model discloses a concrete working process as follows:

as shown in fig. 5 and 6, the gearbox 50 is hoisted to the positioning and pushing device by using a hoisting device, wherein an outer circumferential surface of a flange 502 at the front end of a casing of the gearbox 50 falls on a first positioning surface 41 in the positioning and pushing device, a lower bottom surface of the casing of the gearbox 50 falls on the backing plate 3, and the first positioning surface 41 and the backing plate 3 can position the gearbox 50. As shown in fig. 7 and 8, the gear box 50 is pushed by an external force, the slide plate 2 and the gear box 50 positioned thereon move linearly under the action of the slide rail 11 and the slide block 21, the spline shaft 501 mounted on the gear box 50 can automatically abut against the input spline shaft 401 on the rack assembly 40 during the movement, and simultaneously, the positioning device arranged on the gear box 50 and the positioning device arranged on the flange ring 402 can also synchronously abut against each other. After the bench test of the gearbox 50 is completed, the positioning pushing device is pushed, the positioning boss 43 on the positioning support 4 acts on the front end face of the shell of the gearbox 50, and the spline shaft 501 and the positioning device on the gearbox 50 are separated from the input spline shaft 31 and the flange ring 402 respectively, so that the gearbox 50 is positioned and pushed with the bench assembly 40 during the test, and the quick assembling and the separation of the bench test of the gearbox 50 are completed.

The beneficial effects of the utility model reside in that:

1) the gearbox of the utility model can automatically complete positioning only by being placed on the positioning and pushing device, and can quickly complete positioning and assembling by centering the spline shaft and the input spline shaft and centering the gearbox and the flange ring positioning device without manually adjusting the hoisting position for many times, and can complete assembling by trying to push the gearbox to the test bed frame, so that the assembly efficiency is improved, and the labor intensity of assembling is reduced;

2) the utility model discloses a when gearbox and test bench break away from, need not to lift by crane the device by crane gearbox to suitable state position again, utilize the utility model discloses a location pusher can drag the gearbox out from the test bench.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a location pusher for gearbox test bench which characterized in that: including fixing base (1) on test bench (10), the top of base (1) is equipped with and forms sliding fit's slide (2) with base (1), the slip direction of slide (2) is identical with the axial of gearbox, the last face of slide (2) is equipped with backing plate (3) that are used for supporting the gearbox casing, and when backing plate (3) was arranged in to the gearbox, the integral key shaft on the gearbox was concentric with the input integral key shaft on the rack assembly, the last face of slide (2) still is equipped with first locating surface (41) and second locating surface (42), first locating surface (41) be used for with the flange of gearbox casing terminal surface cooperate the location, second locating surface (42) be used for with the flange circle excircle cooperation location of rack assembly, the flange circle excircle and the input integral key shaft of rack assembly are concentric.

2. The positioning and pushing device for the gearbox test stand according to claim 1, characterized in that: the upper plate surface of the sliding plate (2) is provided with a positioning support (4) which is integrally U-shaped on one side close to the rack assembly, the positioning support (4) is fixed with the sliding plate (2) through a support connecting plate (5), and the positioning support (4) comprises a bottom plate, a first side plate and a second side plate which are integrally formed.

3. The positioning and pushing device for the gearbox test stand according to claim 2, characterized in that: first locating surface (41) including setting up the first inclined plane on first curb plate and second curb plate respectively, first inclined plane cooperation on first curb plate and the second curb plate forms whole first locating surface (41) for the V-arrangement, second locating surface (42) including setting up the second inclined plane on first curb plate and second curb plate respectively, second inclined plane cooperation on first curb plate and the second curb plate forms whole second locating surface (42) for the V-arrangement, and first locating surface (41) and second locating surface (42) one end that is close to mutually is equipped with flange face matched with location boss (43) with gearbox housing face.

4. The positioning and pushing device for the gearbox test stand according to claim 1, characterized in that: the lower board surface of slide (2) is equipped with slider (21), the upper surface of base (1) is equipped with slide rail (11) with slider (21) matched with.