CN205002914U - Barycenter test bench - Google Patents
Barycenter test bench Download PDFInfo
- Publication number
- CN205002914U CN205002914U CN201520635800.0U CN201520635800U CN205002914U CN 205002914 U CN205002914 U CN 205002914U CN 201520635800 U CN201520635800 U CN 201520635800U CN 205002914 U CN205002914 U CN 205002914U
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- China
- Prior art keywords
- crossbeam
- lifting
- column
- chain
- hydraulic cylinder
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a barycenter test bench, include stand, crossbeam, lift crossbeam device, tire positioner. The stand have two, relative and establish, the crossbeam device that lifts have two sets, install respectively in two stands, the crossbeam setting between two stands and with lift the crossbeam device and be connected, tire positioner have two sets ofly, install the top surface at the crossbeam respectively. Drive in into when lifting the crossbeam when the vehicle, the tire positioner fix a position fast, lifts the crossbeam device can be steady, synchronous lift up the crossbeam, and lifting the position and feeding back to electrical system of two pneumatic cylinders of displacement sensor measurable quantity of being connected with the pneumatic cylinder is used for position closed -loop control, has that the direction is steady, the high advantage of the synchronous precision in both sides.
Description
Technical field
The utility model relates to a kind of field of vehicle detection, particularly relates to a kind of barycenter testing table.
Background technology
Vehicle, in development process, needs to detect vehicle mass center.There is the defect that stroke is longer, guiding is unstable, both sides synchronization accuracy is poor in traditional barycenter testing table.
Summary of the invention
The purpose of this utility model is to provide a kind of barycenter testing table steady, both sides synchronization accuracy is high that leads.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of barycenter testing table, comprises column, crossbeam, hoisting crossbeam device, tire positioning device; Described column has two, relatively establishes; Described hoisting crossbeam device has two covers, is arranged in two root posts respectively, and crossbeam to be arranged between two root posts and to be connected with hoisting crossbeam device; Described tire positioning device has two groups, is arranged on the end face of crossbeam respectively;
Described hoisting crossbeam device comprises hydraulic cylinder, lifting axis, chain travelling block, lifting guiding wheels, chain, displacement transducer; Described hydraulic cylinder lower end is hinged on column inner chamber bottom surface, the rod end of hydraulic cylinder piston rod is connected with lifting axis, chain travelling block and lifting guiding wheels are socketed on lifting axis, lifting guiding wheels slip on the internal chamber wall of column, play the guiding role, the two ends of chain be separately fixed on column internal chamber wall and crossbeam one end on, the middle part solderless wrapped connection chain travelling block of chain engages with chain travelling block; Described displacement transducer is arranged on bottom two root posts, and the detecting portion of displacement transducer is connected with hydraulic cylinder piston rod rod end.
Described lifting guiding wheels are made up of multiple lifting angle sheave; Described multiple lifting angle sheaves respectively transversely with to be longitudinally arranged on lifting axis and to slip with four inwalls of column inner chamber respectively.
Multiple crossbeam angle sheave transversely with is longitudinally installed respectively in described crossbeam two ends, and the plurality of crossbeam angle sheave slips with the guide wall be vertically fixed on outer wall with the outer wall of column respectively.
Described tire positioning device is made up of locating support, two outside registration rollers and bottom registration roller; Two described outside registration rollers and bottom registration roller are all arranged on locating support, and bottom registration roller is positioned at the centre of two outside registration rollers and bottom registration roller can up-down adjustment.
After adopting such scheme, the utility model has the following advantages:
1) hoisting crossbeam device adopts hydraulic cylinder pulley blocks, hydraulic cylinder upwards lifting time, hoisting crossbeam movement travel is the twice of hydraulic cylinder travel, thus shortens hydraulic cylinder travel.
2), between hydraulic cylinder and column, have transverse direction and longitudinally guiding wheels between hoisting crossbeam and column for guiding of rolling, lifting is steady.
3) both sides hydraulic cylinder has displacement detecting sensor, and feeds back to electric-control system and realize closed-loop control, and synchronization accuracy is very high.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is front elevation of the present utility model;
Fig. 2 is vertical view of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, the utility model is a kind of barycenter testing table, comprises column 1, crossbeam 2, hoisting crossbeam device 3, tire positioning device 4.
Described column 1 also rises for immobile liquid cylinder pressure and supports and guide effect, and it has two, relatively establishes.Described hoisting crossbeam device 3 has two covers, is arranged in two root posts 1 respectively, and crossbeam 2 to be arranged between two root posts 1 and to be connected with hoisting crossbeam device 3; Described tire positioning device 4 has two groups, is arranged on the end face of crossbeam 2 respectively.
Described hoisting crossbeam device 3 is steadily elevated for lifting tested automobile front-axle, comprises hydraulic cylinder 31, lifting axis 32, chain travelling block 33, lifting guiding wheels 34, chain 35, displacement transducer 36.Described hydraulic cylinder 31 is for driving hoisting crossbeam 2, its lower end is hinged on the jointed shaft 11 of column 1 inner chamber bottom surface, the rod end of hydraulic cylinder 31 piston rod is connected with lifting axis 32, chain travelling block 33 and lifting guiding wheels 34 are socketed on lifting axis 32, lifting guiding wheels 34 slip on the internal chamber wall of column 1, play the guiding role, on the hinged seat 12 that the two ends of chain 35 are separately fixed at column 1 internal chamber wall and on the hinged seat 21 of one end of crossbeam 2, the middle part solderless wrapped connection chain travelling block 33 of chain 35 engages with chain travelling block 33.Described displacement transducer 5 is arranged on bottom two root posts 1, and the detecting portion of displacement transducer 5 is connected with hydraulic cylinder 31 piston rod rod end, for measuring the lift location of two hydraulic cylinders 31, and feeds back to electric-control system for position-force control.
Described lifting guiding wheels 34 are made up of multiple lifting angle sheave 341; Described multiple lifting angle sheaves 341 respectively transversely with to be longitudinally arranged on lifting axis 32 and to slip with four inwalls of column 1 inner chamber respectively.
Multiple crossbeam angle sheave 22 transversely with is longitudinally installed respectively in described crossbeam 2 two ends, and the plurality of crossbeam angle sheave 22 slips with the guide wall 13 be vertically fixed on outer wall with the outer wall of column 1 respectively.Transverse cross beams angle sheave 22 rolls along column 1 medial plane and leads, and longitudinal crossbeam angle sheave 22 leads along guide wall 13 plane rolling.Crossbeam 2 has T-slot plate, for mounting and adjusting tire positioning device 3.
Described tire positioning device 4, for fixing and carrying tested automobile front-axle, adopts three roller supporting constructions, is made up of locating support 41, two outside registration roller 42 and bottom registration roller 43.Two described outside registration rollers 42 and bottom registration roller 43 are all arranged on locating support 41, bottom registration roller 43 is positioned at two centres of registration rollers 42, outside and bottom registration roller 43 can up-down adjustment, lifts demand with the location meeting all size rubber-tyred vehicle.
Principle of work of the present utility model:
1, tested vehicle front-wheel sails in the tire positioning device 4 of hoisting crossbeam 2, and by regulating bottom registration roller 43, tested tire front-wheel can realize locating completely;
2, hydraulic cylinder 31 piston rod stretches out, the lifting of band movable sprocket;
3, sprocket wheel is by chain drive, drives hoisting crossbeam 2 to rise;
4, hydraulic cylinder 31 adopts angle sheave to roll with column 1 lead with column 1, hoisting crossbeam 2, adjustable guiding clearance during angle sheave assembling, and guarantee that guiding is reliable, frictional resistance is little;
5, the displacement transducer 36 on both sides detects the stroke of oil cylinder, and feeds back to electric-control system, and electric-control system is synchronous by the lifting velocity interpolation lifting controlling both sides hydraulic cylinder 31.
The above, be only the utility model preferred embodiment, therefore can not limit with this scope that the utility model implements, the equivalence namely done according to the utility model claim and description change with modify, all should still belong in scope that the utility model patent contains.
Claims (4)
1. a barycenter testing table, is characterized in that: comprise column, crossbeam, hoisting crossbeam device, tire positioning device; Described column has two, relatively establishes; Described hoisting crossbeam device has two covers, is arranged in two root posts respectively, and crossbeam to be arranged between two root posts and to be connected with hoisting crossbeam device; Described tire positioning device has two groups, is arranged on the end face of crossbeam respectively;
Described hoisting crossbeam device comprises hydraulic cylinder, lifting axis, chain travelling block, lifting guiding wheels, chain, displacement transducer; Described hydraulic cylinder lower end is hinged on column inner chamber bottom surface, the rod end of hydraulic cylinder piston rod is connected with lifting axis, chain travelling block and lifting guiding wheels are socketed on lifting axis, lifting guiding wheels slip on the internal chamber wall of column, play the guiding role, the two ends of chain be separately fixed on column internal chamber wall and crossbeam one end on, the middle part solderless wrapped connection chain travelling block of chain engages with chain travelling block; Described displacement transducer is arranged on bottom two root posts, and the detecting portion of displacement transducer is connected with hydraulic cylinder piston rod rod end.
2. barycenter testing table according to claim 1, is characterized in that: described lifting guiding wheels are made up of multiple lifting angle sheave; Described multiple lifting angle sheaves respectively transversely with to be longitudinally arranged on lifting axis and to slip with four inwalls of column inner chamber respectively.
3. barycenter testing table according to claim 1, is characterized in that: multiple crossbeam angle sheave transversely with is longitudinally installed respectively in described crossbeam two ends, and the plurality of crossbeam angle sheave slips with the guide wall be vertically fixed on outer wall with the outer wall of column respectively.
4. barycenter testing table according to claim 1, is characterized in that: described tire positioning device is made up of locating support, two outside registration rollers and bottom registration roller; Two described outside registration rollers and bottom registration roller are all arranged on locating support, and bottom registration roller is positioned at the centre of two outside registration rollers and bottom registration roller can up-down adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520635800.0U CN205002914U (en) | 2015-08-21 | 2015-08-21 | Barycenter test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520635800.0U CN205002914U (en) | 2015-08-21 | 2015-08-21 | Barycenter test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205002914U true CN205002914U (en) | 2016-01-27 |
Family
ID=55159798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520635800.0U Expired - Fee Related CN205002914U (en) | 2015-08-21 | 2015-08-21 | Barycenter test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205002914U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161292A (en) * | 2018-02-28 | 2018-06-15 | 青岛威达机械制造有限公司 | A kind of welding gantry |
| CN108827535A (en) * | 2018-09-26 | 2018-11-16 | 长春理工大学 | A kind of mass center testing stand |
| CN109030226A (en) * | 2018-07-06 | 2018-12-18 | 郑州四维机电装备制造有限公司 | Hydraulic bracket test-bed and its pedestal |
-
2015
- 2015-08-21 CN CN201520635800.0U patent/CN205002914U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161292A (en) * | 2018-02-28 | 2018-06-15 | 青岛威达机械制造有限公司 | A kind of welding gantry |
| CN109030226A (en) * | 2018-07-06 | 2018-12-18 | 郑州四维机电装备制造有限公司 | Hydraulic bracket test-bed and its pedestal |
| CN108827535A (en) * | 2018-09-26 | 2018-11-16 | 长春理工大学 | A kind of mass center testing stand |
| CN108827535B (en) * | 2018-09-26 | 2021-01-01 | 长春理工大学 | Center of mass test bench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20190821 |