CN217235175U

CN217235175U - Adjustable movable base for test bed

Info

Publication number: CN217235175U
Application number: CN202221001323.9U
Authority: CN
Inventors: 刘方军; 唐航; 吕露; 蒋国庆; 阮礼旭
Original assignee: Hunan Huayan Laboratory Co ltd
Current assignee: Hunan Huayan Laboratory Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-19
Anticipated expiration: 2032-04-28

Abstract

The utility model belongs to the technical field of the car test equipment, concretely relates to adjustable portable base for test bench, include: an iron floor; a plurality of telescopic legs detachably connected with the iron floor; the base main body is arranged on the plurality of telescopic supporting legs and used for fixing the gear box or the dynamometer, and the bottom surface of the base main body is fixed with the top surface of the fixing plate; a plurality of hydraulic legs arranged on the bottom surface of the base main body; the universal wheels are in one-to-one correspondence with the hydraulic support legs and are fixed on the bottom surfaces of the hydraulic support legs, and the universal wheels are in rolling connection with the iron floor; through the cooperation use on scalable landing leg, hydraulic leg, universal wheel and iron floor, the free horizontal migration that the base can be convenient has been ensured in the setting of universal wheel, and the setting of hydraulic leg ensures that the base can adjust the height in a flexible way, and it is fixed with scalable landing leg and iron floor to remove the adjustment completion, and fixed stable difficult emergence is slided.

Description

Adjustable movable base for test bed

Technical Field

The utility model belongs to the technical field of automobile test equipment, concretely relates to adjustable portable base for test bench.

Background

With the rapid development of the automobile industry, the automobile demand on the market is more and more, the updating of the automobile at the present stage is very fast, the relevant core components of the automobile need to be tested and verified continuously before the formal production, and the stability and reliability of the components are ensured, so that a high-efficiency test bench for automobile component testing is needed.

The utility model discloses a utility model with publication number CN210704675U discloses an integrated test rack of car, the pole setting of setting pass through hydraulic telescoping rod and make the rack can be according to the needs of the actual operation condition and operation environment highly to holistic operation of adjusting, and the platen of setting passes through the slide and makes the rack expand or accomodate according to the actual test condition, has enlarged test area.

But the rack directly supports fixedly through the supporting legs to the rack, causes the slip easily when fixed, and the precision is lower, and fixed effect is relatively poor simultaneously, and stability is not enough.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming among the prior art the fixed defect that causes the slip easily and fixed stability is not enough to an adjustable portable base for test bench is provided.

An adjustable mobile mount for a test rig, comprising:

an iron floor;

a plurality of telescopic supporting legs detachably connected with the iron floor, wherein one telescopic supporting leg is provided with an external thread pillar and an internal thread sleeve in threaded connection with the external thread pillar, the upper end of the external thread pillar is provided with a fixing plate, and the lower end of the internal thread sleeve is provided with a connecting plate detachably connected with the iron floor;

the base main body is arranged on the plurality of telescopic supporting legs and used for fixing a gear box or a dynamometer, and the bottom surface of the base main body is fixed with the top surface of the fixing plate;

a plurality of hydraulic legs arranged on the bottom surface of the base main body;

the universal wheels are in one-to-one correspondence with the hydraulic support legs and are fixed on the bottom surfaces of the hydraulic support legs, and the universal wheels are in rolling connection with the iron floor;

the internal thread sleeve is provided with a vertically extending separation seam penetrating through the inside and the outside, a pair of parallel lugs vertically and outwards extend from two sides of the separation seam, the pair of lugs penetrates through a locking bolt, and a locking nut is arranged at the penetrating end.

The cooperation through scalable landing leg, hydraulic leg, universal wheel and iron floor is used, and the free horizontal migration that the base can be convenient has been ensured in the setting of universal wheel, and the setting of hydraulic leg ensures that the base can adjust the height in a flexible way, and it is fixed with scalable landing leg and iron floor to remove the adjustment completion, and fixed stable being difficult to take place to slide.

Further, a plurality of T-shaped grooves which are parallel to each other are formed in the upper portion of the iron floor, a plurality of T-shaped sliding blocks are slidably arranged in the T-shaped grooves, and the T-shaped sliding blocks are detachably connected with the connecting plate. Through the cooperation setting of T type groove and T type slider, the base can be fixed on predetermined T type groove by the accuracy, ensures to be surveyed dynamometer machine or gear box and measured piece on collinear to the base can be followed T type groove and slided, has made things convenient for the butt joint of device.

Further, the universal wheel is a lockable universal wheel. Through the setting of the universal wheel that can lock, remove the base and target in place the back with the universal wheel locking, make the base no longer remove, ensure the accurate location of base.

Furthermore, a hydraulic master pump is arranged below the base main body, and a hydraulic output port of the hydraulic master pump is respectively communicated with or disconnected from hydraulic input ports of the plurality of hydraulic support legs; and a valve and a pedal for driving the hydraulic master pump to work are arranged on the hydraulic master pump. Through the setting of hydraulic pressure master cylinder and valve and pedal, the height of adjustment base that can be convenient accomplishes the centering operation of device fast.

Furthermore, a plurality of hydraulic support legs are communicated or disconnected with a multi-channel valve, and the multi-channel valve comprises an oil pressure input port communicated or disconnected with the hydraulic master pump and a plurality of oil pressure output ports respectively communicated or disconnected with the hydraulic input ports of the plurality of hydraulic support legs; and each oil pressure output port is correspondingly provided with an adjusting valve. Through the setting of multichannel valve, can adjust the height of each hydraulic leg respectively, ensure the level balance of base.

Further, a base main body is fixed above the base main body, and a plurality of mounting holes are formed in the base main body. Through the setting of the base main part of seting up a plurality of mounting holes, can ensure to install test equipment on base main part stably.

Furthermore, a handle is fixed on the side surface of the base body. Through the setting of handle, make things convenient for the push-and-pull to remove the base.

Furthermore, the side surface of the internal thread sleeve is also provided with a vertical groove penetrating through the inside and the outside, a hexagonal locknut is arranged in the vertical groove, and a lockbolt is matched with the vertical groove and is in threaded connection with the locknut so as to tightly push or separate from the external thread strut. Through locknut's setting, further lock after scalable landing leg height-adjusting, also can ensure stable support under test device's heavy pressure.

Has the advantages that:

1. the utility model discloses a cooperation use of scalable landing leg, hydraulic leg, universal wheel and iron floor, the setting of universal wheel has guaranteed that the base can convenient free horizontal migration, and the setting of hydraulic leg guarantees that the base can nimble adjustment height, and the removal adjustment is accomplished and is fixed scalable landing leg and iron floor, and fixed stable difficult emergence slip; through the cooperation setting of T type groove and T type slider, the base can be fixed on predetermined T type groove by the accuracy, ensures to be surveyed dynamometer machine or gear box and measured piece on collinear to the base can be followed T type groove and slided, has made things convenient for the butt joint of device.

2. The utility model, through the arrangement of the lockable universal wheels, locks the universal wheels after the base is moved in place, so that the base does not move any more, and the accurate positioning of the base is ensured; through the arrangement of the hydraulic master pump, the valve and the pedal, the height of the base can be conveniently adjusted, and the centering operation of the device can be quickly completed; through the setting of multichannel valve, can adjust the height of each hydraulic leg respectively, ensure the horizontal balance of base.

3. The utility model can ensure that the testing equipment is stably installed on the base main body through the arrangement of the base main body provided with a plurality of mounting holes; the movable base is convenient to push and pull through the arrangement of the handle; through locknut's setting, further lock after scalable landing leg height-adjusting, also can ensure the outrigger under test device's heavy pressure.

Drawings

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

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic structural view of the telescopic leg of the present invention;

fig. 5 is a schematic view of the connection structure of the hydraulic master cylinder, the multi-channel valve and the hydraulic support leg of the present invention;

fig. 6 is a schematic view of the connection structure of the universal wheel and the retractable leg of the present invention.

Reference numerals: 1. an iron floor; 2. a telescopic leg; 21. an externally threaded post; 22. an internally threaded sleeve; 23. locking the bolt; 24. a fixing plate; 25. a connecting plate; 26. a locknut; 3. a universal wheel; 31. a locking mechanism; 4. a hydraulic leg; 5. a hydraulic master pump; 51. a valve; 52. treading a pedal; 6. a multi-channel valve; 61. adjusting the valve; 7. a base body; 71. mounting holes; 8. a handle.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, 2, 3, 4 and 6, the present embodiment provides an adjustable mobile base for a test stand, comprising: an iron floor 1; a plurality of telescopic legs 2 detachably connected with the iron floor 1, wherein one telescopic leg 2 is provided with an external thread pillar 21 and an internal thread sleeve 22 in threaded connection with one external thread pillar 21, the upper end of the external thread pillar 21 is provided with a fixing plate 24, and the lower end of the internal thread sleeve 22 is provided with a connecting plate 25 detachably connected with the iron floor 1; a base main body 7 for fixing a gear box or a dynamometer is arranged on the plurality of telescopic supporting legs 2, and the bottom surface of the base main body 7 is fixed with the top surface of the fixing plate 24; a plurality of hydraulic legs 4 arranged on the bottom surface of the base main body 7; the universal wheels 3 correspond to the hydraulic support legs 4 one by one and are fixed on the bottom surfaces of the hydraulic support legs 4, and the universal wheels 3 are connected with the iron floor 1 in a rolling manner; the internal thread sleeve 22 is provided with a vertically extending separation slit which penetrates through the inside and the outside, a pair of parallel lugs vertically extend outwards from two sides of the separation slit, the pair of lugs penetrate through a locking bolt 23, and a locking nut is arranged at the penetrating end.

Four groups of hydraulic support legs 4 and universal wheels 3 are respectively fixed at four corners of the bottom of the base main body 7; the number of the telescopic supporting legs 2 is four, and the telescopic supporting legs are fixed at the bottom of the base main body 7 and close to the position of the hydraulic supporting leg 4.

The cooperation through scalable landing leg 2, hydraulic leg 4, universal wheel 3 and iron floor 1 is used, and the free horizontal migration that the base can be convenient has been ensured in the setting of universal wheel 3, and the height can be adjusted in a flexible way to the base is ensured in the setting of hydraulic leg 4, and it is fixed with scalable landing leg 2 and iron floor 1 to remove the adjustment completion, and fixed stable difficult emergence is slided.

The side surface of the internal thread sleeve 22 is also provided with a vertical groove penetrating through the inside and the outside, a hexagonal locknut 26 is arranged in the vertical groove, and a lockbolt is matched with the vertical groove, and is in threaded connection with the locknut 26 so as to tightly push or separate from the external thread strut 21. By providing the locknut 26, the height of the telescopic leg 2 is adjusted, and then the internal threaded sleeve 22 is further locked to the external threaded strut 21, so that stable support can be ensured even under heavy load of the test apparatus.

Specifically, a plurality of parallel T-shaped grooves are formed in the upper portion of the iron floor 1, a plurality of T-shaped sliding blocks are slidably arranged in the T-shaped grooves, and the T-shaped sliding blocks are fixed to the connecting plate 25. Through the cooperation setting of T type groove and T type slider, the base can be fixed on predetermined T type groove by the accuracy, ensures to be surveyed dynamometer machine or gear box and measured piece on collinear to the base can be followed T type groove and slided, has made things convenient for the butt joint of device.

Referring to fig. 5, a hydraulic master cylinder 5 is arranged below the base main body 7, and a hydraulic output port of the hydraulic master cylinder is respectively communicated with or disconnected from hydraulic input ports of a plurality of hydraulic support legs 4; the hydraulic master cylinder 5 is provided with a valve 51 and a pedal 52 for driving the hydraulic master cylinder 5 to work. Through the arrangement of the hydraulic master cylinder 5, the valve 51 and the pedal 52, the height of the base can be conveniently adjusted, and the centering operation of the device can be quickly completed.

The multiple hydraulic legs 4 are communicated or disconnected with a multi-channel valve 6, and the multi-channel valve 6 comprises an oil pressure input port communicated or disconnected with the hydraulic master pump 5 and multiple oil pressure output ports respectively communicated or disconnected with the multiple hydraulic input ports of the multiple hydraulic legs 4; and each oil pressure output port is correspondingly provided with a regulating valve 61. Through the setting of multichannel valve 6, can adjust the height of each hydraulic leg 4 respectively, ensure the horizontal balance of base.

The multi-channel valve 6 is a four-channel valve, and four oil pressure output ports on the multi-channel valve are respectively connected to the oil pressure input ports of the four hydraulic support legs 4. Through screwing up valve 51 to press pedal 52, can be with hydraulic pressure force through 6 conduction on four hydraulic leg 4 of multichannel valve, through adjusting four adjusting valve 61, can also adjust the height of four hydraulic leg 4 respectively in a flexible way, make the base keep horizontal balance.

As a further improvement of this embodiment, the universal wheel 3 is a lockable universal wheel 3. Be equipped with locking mechanism 31 on the universal wheel 3, through the setting of locking mechanism 31, move the base and lock universal wheel 3 after target in place, make the base no longer remove, ensure the accurate location of base.

As a further improvement of this embodiment, a base main body 7 is fixed above the base main body 7, and a plurality of mounting holes 71 are opened on the base main body 7. By providing the base main body 7 with the plurality of mounting holes 71, it is possible to ensure stable mounting of the test equipment on the base main body 7.

As a further improvement of this embodiment, a handle 8 is fixed to a side surface of the base main body 7. Through the setting of handle 8, convenient push-and-pull removes the base.

The using method comprises the following steps:

when the test is started, firstly, a dynamometer or a gear box is fixed on a base main body 7 through a mounting hole 71, a valve 51 on a hydraulic main valve is screwed, and a pedal 52 is pressed to jack up a rack through a hydraulic support leg 4; then, the handle 8 is held, the dynamometer is pushed to a measured part through the universal wheel 3, the concentricity of a connecting shaft of the dynamometer or the gear box and the measured part is adjusted, and the universal wheel 3 is locked through the locking assembly; and finally, adjusting the height of the telescopic supporting leg 2, fixing a connecting plate 25 of the telescopic supporting leg 2 with a T-shaped sliding block on the iron floor 1, locking a locking bolt 23 and a locknut 26 of the telescopic supporting leg 2, and loosening a valve 51 of the hydraulic master cylinder 5.

After the test is finished, firstly, the connection between the four telescopic supporting legs 2 and the iron floor 1 is loosened; then, a valve 51 of the hydraulic master cylinder 5 is screwed down, an adjusting valve 61 on the multi-channel valve 6 is adjusted, and the pedal 52 is pressed to jack up the rack through the hydraulic support legs 4; finally the gantry is pushed into place and the valve 51 on the hydraulic master cylinder 5 is released, bringing the telescopic legs 2 into contact with the ground.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite without departing from the utility model discloses the utility model, can also make a plurality of equal substitution or obvious variant, and performance or usage are the same moreover, all should regard as belonging to within the scope of protection of the utility model.

Claims

1. An adjustable mobile base for a test rig, comprising:

an iron floor (1);

a plurality of telescopic legs (2) detachably connected with the iron floor (1), wherein one telescopic leg (2) is provided with an external thread pillar (21) and an internal thread sleeve (22) in threaded connection with the external thread pillar (21), the upper end of the external thread pillar (21) is provided with a fixing plate (24), and the lower end of the internal thread sleeve (22) is provided with a connecting plate (25) detachably connected with the iron floor (1);

a base main body (7) arranged on the telescopic supporting legs (2) and used for fixing a gear box or a dynamometer, wherein the bottom surface of the base main body (7) is fixed with the top surface of the fixing plate (24);

a plurality of hydraulic legs (4) arranged on the bottom surface of the base main body (7);

the universal wheels (3) correspond to the hydraulic support legs (4) one by one and are fixed on the bottom surfaces of the hydraulic support legs (4), and the universal wheels (3) are connected with the iron floor (1) in a rolling manner;

the internal thread sleeve (22) is provided with a vertically extending separation seam penetrating through the inside and the outside, a pair of parallel lugs vertically extend outwards from two sides of the separation seam, the pair of lugs penetrate through a locking bolt (23), and a locking nut is arranged at the penetrating end.

2. The adjustable movable base for the test bed as claimed in claim 1, wherein a plurality of parallel T-shaped grooves are formed above the iron floor (1), a plurality of T-shaped sliding blocks are slidably arranged in the T-shaped grooves, and the T-shaped sliding blocks are detachably connected with the connecting plate (25).

3. An adjustable mobile base for a test rig according to claim 1, characterized in that the universal wheels (3) are lockable universal wheels (3).

4. An adjustable mobile base for a test bench according to claim 1, characterized in that a hydraulic master cylinder (5) is arranged under the base body (7), and the hydraulic output port of the hydraulic master cylinder is respectively connected with or disconnected from the hydraulic input ports of a plurality of hydraulic legs (4); and a valve (51) and a pedal (52) for driving the hydraulic master pump (5) to work are arranged on the hydraulic master pump (5).

5. An adjustable mobile base for a test rig according to claim 4, wherein a plurality of hydraulic legs (4) are connected to or disconnected from a multi-channel valve (6), said multi-channel valve (6) comprising an oil pressure input port connected to or disconnected from said hydraulic master pump (5) and a plurality of oil pressure output ports connected to or disconnected from the hydraulic input ports of the plurality of hydraulic legs (4), respectively; each oil pressure output port is correspondingly provided with a regulating valve (61).

6. The adjustable mobile base for a test bench according to claim 1, characterized in that the base body (7) has a plurality of mounting holes (71) above.

7. An adjustable mobile base for a test stand according to claim 1, characterised in that the base body (7) is laterally fixed with a handle (8).

8. The adjustable movable base for the test bed as claimed in claim 1, wherein the side of the internally threaded sleeve (22) is further provided with a vertical slot penetrating inside and outside, a hexagonal locknut (26) is arranged in the vertical slot, and a lockbolt is matched with the vertical slot, and the lockbolt is in threaded connection with the locknut (26) so as to jack up or separate from the externally threaded pillar (21).