CN208793974U - A kind of vibration excitor lifting device for body mode test - Google Patents
A kind of vibration excitor lifting device for body mode test Download PDFInfo
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- CN208793974U CN208793974U CN201821325307.9U CN201821325307U CN208793974U CN 208793974 U CN208793974 U CN 208793974U CN 201821325307 U CN201821325307 U CN 201821325307U CN 208793974 U CN208793974 U CN 208793974U
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- lifting
- vibration excitor
- gear
- lifting device
- body mode
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Abstract
The utility model, which is created, provides a kind of vibration excitor lifting device for body mode test, including base assembly, elevating mechanism and Lifting platform component, the Lifting platform component is located at the top of base assembly, the elevating mechanism is rotatablely connected between Lifting platform component and base assembly, and with Lifting platform component.The utility model creates a kind of vibration excitor lifting device for body mode test, the crank in rotation elevating mechanism can be passed through, power is transmitted to hoistable platform by transmission parts such as deceleration tumbler gear, sprocket wheel, chain, lead screws, and the descending operation to hoistable platform is realized to forward and reverse rotation of crank by people, reduction gearing makes hoistable platform still easily can smoothly realize descending operation under the loading condition for being equipped with vibration excitor, while improving degree of regulation and efficiency.
Description
Technical field
The invention belongs to body mode testing equipment field, more particularly, to a kind of swashing for body mode test
Shake device lifting device.
Background technique
The test of automobile mould measurement is a basic component part of auto NVH performance development.The test of automobile mould measurement
The test item covered is relatively broad, distinguishes by sample energisation mode and is broadly divided into power hammer excitation method and vibration excitor and swashs
Encourage method.
Compared to power hammer excitation method, vibration excitor advocate approach during the test available high quality excitation and response letter
Number, and it is many-sided a little that specific pumping signal form etc. can artificially be arranged according to different test demands.Therefore right
Some large sizes, structure is complicated, there is nonlinear exemplar preferentially vibration excitor to be selected to be motivated when being tested for mechanism.Wherein vehicle
Body mould measurement test (vehicle mould measurement, the test of TB body mode, white body mould measurement) is more representative experiment
One of project.
In body mode test process, vibration excitor must be mounted on a height-adjustable table top device.It is existing at present
Table top device mainly has several: the structure type of 1. " stud, nut, table tops ".Two people are needed to cooperate, a people is lifted erecting bed
Face, another people realize the height adjustment for the work top that nut is lifted by position of the spanner adjusting nut on stud.
2. the structure type of " building blocks overlap layer by layer " mainly realizes work by taking product between the mounting blocks of a variety of different-thickness layer by layer
The height adjustment of table top.
There are many deficiencies especially in terms of height fine adjustments in the continuity of work top height adjustment for the two, together
When in adjustment process Test Engineer's large labor intensity, directly affect dependence test test efficiency and test result it is accurate
Property.Therefore one kind is required specifically for during body mode test in a certain range to be carried out continuously vibration excitor height
The vibration excitor lifting device for adjusting, while being operated again convenient for people.
Summary of the invention
In view of this, the invention be directed to it is a kind of for body mode test vibration excitor lifting device, with
In improving, the height adjustment existing for existing vibration excitor lifting device in body mode test process is discontinuous, fine height adjustment
Inconvenient, the problems such as working efficiency is low.
In order to achieve the above objectives, the technical solution of the invention is achieved in that
A kind of vibration excitor lifting device for body mode test, including base assembly, elevating mechanism and Lifting platform
Component, the Lifting platform component are located at the top of base assembly, and the elevating mechanism is located at Lifting platform component and base
Between holder assembly, and it is rotatablely connected with Lifting platform component；
The elevating mechanism includes force piece, train of reduction gears and tumbler gear group, and the tumbler gear group is located at
The top of base assembly, and being rotatablely connected with base assembly, the train of reduction gears be located at tumbler gear group and force piece it
Between, and be rotatablely connected respectively with tumbler gear group and force piece.
Further, the base assembly includes that pedestal platform, 2 travellers and 2 thrust bearings, the traveller push away
Power bearing is separately fixed at four corners of pedestal platform, and the traveller is located between pedestal platform and Lifting platform component,
The elevating mechanism is connect by thrust bearing with pedestal platform.
Further, the pedestal platform is square structure, and the traveller is separately fixed at diagonally opposing corner on pedestal platform
Corner, and thrust bearing is separately fixed on pedestal platform the corner of another pair of diagonally opposing corner.
Further, the Lifting platform component includes lifting seat stand and 2 linear bearings, the linear bearing point
It is not fixed on the corner of diagonally opposing corner on lifting seat stand, the traveller is connect with lifting seat stand by linear bearing.
Further, the elevating mechanism further includes 2 lead screws, and one end of the lead screw is separately fixed at and its phase
Pair thrust bearing on, and the other end respectively with lifting seat stand be connected through a screw thread.
Further, the train of reduction gears includes intermeshing first gear and second gear, and described first
Gear is equipped with first rotating shaft, and the second gear is equipped with the second shaft, the first rotating shaft and the second shaft with
The rotation connection of pedestal platform, the first rotating shaft and the second shaft are located at the two sides of first gear, the first gear
The both ends of first rotating shaft are separately fixed at force piece.
Further, the tumbler gear group includes intermeshing first bevel gear and second bevel gear, described
First bevel gear is located at the side of second gear, and is fixed in the second shaft, and the second bevel gear turns equipped with third
Axis, the third shaft and pedestal platform are rotatablely connected, and the third shaft is equipped with the identical level-one sprocket wheel of 2 diameters.
Further, it is equipped with second level sprocket wheel on the lead screw, the second level sprocket wheel is respectively and corresponding thereto
Level-one sprocket wheel is connected by chain.
Further, the force piece is handwheel.
Further, the lifting seat stand is equipped with several mounting holes matched with vibration excitor.
Compared with the existing technology, a kind of vibration excitor lifting device tool for body mode test described in the invention
There is following advantage:
A kind of vibration excitor lifting device for body mode test described in the invention, can be by rotating elevator
Power is transmitted to hoistable platform by transmission parts such as deceleration tumbler gear, sprocket wheel, chain, lead screws, and led to by the crank in structure
The descending operation to hoistable platform is unusually realized to forward and reverse rotation of crank.Because reduction gearing adds in elevating mechanism
Enter, so that hoistable platform still easily can smoothly realize descending operation under the loading condition for being equipped with vibration excitor, reduces
The labor intensity of people, improves degree of regulation and efficiency.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound
The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.?
In attached drawing:
Fig. 1 is the structural schematic diagram of lifting device described in the invention embodiment；
Fig. 2 is the explosive view of lifting device described in the invention embodiment；
Fig. 3 is train of reduction gears and tumbler gear group connection relationship diagram described in the invention embodiment.
Description of symbols:
1, base assembly；11, pedestal platform；12, traveller；13, thrust bearing；2, elevating mechanism；21, force piece；22, slow down
Gear set；221, first gear；2211, first rotating shaft；222, second gear；2221, the second shaft；23, tumbler gear group；
231, first bevel gear；232, second bevel gear；2321, third shaft；23211, level-one sprocket wheel；24, lead screw；241, two-stage chain
Wheel；3, Lifting platform component；31, seat stand is gone up and down；311, mounting hole；32, linear bearing.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately
It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
As shown in Figure 1-3, a kind of vibration excitor lifting device for body mode test, including base assembly 1, elevator
Structure 2 and Lifting platform component 3, the Lifting platform component 3 are located at the top of base assembly 1, and the elevating mechanism 2 is located at
Between Lifting platform component 3 and base assembly 1, and it is rotatablely connected with Lifting platform component 3；
The elevating mechanism 2 includes force piece 21, train of reduction gears 22 and tumbler gear group 23, the tumbler gear
Group 23 is located at the top of base assembly 1, and is rotatablely connected with base assembly 1, and the train of reduction gears 22 is located at tumbler gear
Between group 23 and force piece 21, and it is rotatablely connected respectively with tumbler gear group 23 and force piece 21.Wherein train of reduction gears 22
Reduction ratio i1=1.5:1, the reduction ratio i2=2:1 of tumbler gear group 23.By double reduction, lifting device is greatly improved
Degree of regulation and efficiency.
The base assembly 1 includes 11,2 traveller 12 and 2 thrust bearings 13 of pedestal platform, and the traveller 12 pushes away
Power bearing 13 is separately fixed at four corners of pedestal platform 11, and the traveller 12 is located in pedestal platform 11 and Lifting platform group
Between part 3, the elevating mechanism 2 is connect by thrust bearing 13 with pedestal platform 11.The cylindrical traveller 12 of two same specifications
Pass through the diagonally opposing corner position of flange plate bolt connection and square base platform 11.The thrust bearing 13 of the vertical direction of same specification
Other two diagonal position of pedestal platform 11 is connected to by flange plate bolt, as 2 screw 24 of elevating mechanism and pedestal
The link position of platform 11.
The pedestal platform 11 is square structure, and the traveller 12 is separately fixed at turning for diagonally opposing corner on pedestal platform 11
At angle, and thrust bearing 13 is separately fixed at the corner of another pair of diagonally opposing corner on pedestal platform 11.Lead screw 24 and traveller 12 are handed over
Mistake setting can smoothly be gone up and down to make to go up and down 31 uniform force of seat stand.
The Lifting platform component 3 includes lifting seat stand 31 and 2 linear bearing 32, and the linear bearing 32 is distinguished
It is fixed on the corner of diagonally opposing corner on lifting seat stand 31, the traveller 12 is connect with lifting seat stand 31 by linear bearing 32.
The size for going up and down seat stand 31 is identical as the pedestal platform 11 of square.In the corner location for going up and down seat stand 31, with pedestal platform 11
Metal linear bearing 32 is connect by the corresponding diagonal position aperture of upper cylinder traveller 12 by ring flange with lifting seat stand 31.
Feed screw nut is connect by diagonal position aperture corresponding with 2 screw 24 of elevating mechanism by ring flange with lifting seat stand 31.
Lifting seat stand 31 connect by metal linear bearing 32 with the round traveller 12 on pedestal platform 11, at the same pass through 24 nut of lead screw and
The screw 24 of elevating mechanism 2 connects.
The elevating mechanism 2 further includes 2 lead screws 24, and one end of the lead screw 24 is separately fixed at corresponding thereto
On thrust bearing 13, and the other end is connected through a screw thread with lifting seat stand 31 respectively.
The train of reduction gears 22 includes intermeshing first gear 221 and second gear 222, first tooth
Wheel 221 is equipped with first rotating shaft 2211, and the second gear 222 is equipped with the second shaft 2221, the first rotating shaft
2211 and second shaft 2221 be rotatablely connected with pedestal platform 11, the first rotating shaft 2211 and the second shaft 2221 distinguish position
In the two sides of first gear 221, the first gear 221 and force piece 21 are separately fixed at the both ends of first rotating shaft 2211.
The tumbler gear group 23 includes intermeshing first bevel gear 231 and second bevel gear 232, and described the
One bevel gear 231 is located at the side of second gear 222, and is fixed in the second shaft 2221, in the second bevel gear 232
Equipped with third shaft 2321, the third shaft 2321 and pedestal platform 11 are rotatablely connected, and are set in the third shaft 2321
There is the identical level-one sprocket wheel 23211 of 2 diameters.
Be equipped with second level sprocket wheel 241 on the lead screw 24, the second level sprocket wheel 241 respectively and corresponding thereto one
Grade sprocket wheel 23211 is connected by chain.Handwheel drives commutating tooth by the input terminal of train of reduction gears 22 and tumbler gear group 23
Two level-one sprocket wheels 23211 rotation arranged side by side of the output end of wheel group 23, two level-one sprocket wheels 23211 are distinguished by chain again
Two second level sprocket wheels 241 are driven, so that the screw 24 being fixedly and coaxially connected with second level sprocket wheel 241 be driven to rotate.
The force piece 21 is handwheel.The force piece 21 is that moving for rotary force can be provided for first rotating shaft 2211
Power element.
The lifting seat stand 31 is equipped with several mounting holes 311 matched with vibration excitor.
The working principle of lifting device are as follows: by the handwheel in rotation elevating mechanism 2, power is passed through into train of reduction gears
22, tumbler gear group 23, level-one sprocket wheel 23211, chain, second level sprocket wheel 241, lead screw 24 are transmitted to lifting seat stand 31, and pass through
Operator realizes the descending operation of lifting seat stand 31 to forward and reverse rotation of handwheel, and is controlled by the velocity of rotation of handwheel
The lifting speed of system lifting seat stand 31.Because of the addition of train of reduction gears 22 in elevating mechanism 2, so that lifting seat stand 31 is being installed
Having still easily can smoothly realize descending operation under the loading condition of vibration excitor, greatly improve the adjusting of lifting device
Precision and efficiency, while reducing the labor intensity of operator.
The wherein reduction ratio i1=1.5:1 of train of reduction gears 22, the reduction ratio i2=2:1 of tumbler gear group 23.By subtracting
Fast gear set and tumbler gear group double reduction realize exciting so that the adjustable height of lifting device be enable to continuously adjust
The demand of device working depth fine adjustments solves the problems, such as that traditional lifting device height adjustment is too excesssive.By handwheel come
The adjustable height of lifting device is controlled, only needs a people that can be easily accomplished, it is easy to operate.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection scope within.
Claims (10)
1. a kind of vibration excitor lifting device for body mode test, it is characterised in that: including base assembly (1), elevator
Structure (2) and Lifting platform component (3), the Lifting platform component (3) are located at the top of base assembly (1), the lifting
Mechanism (2) is located between Lifting platform component (3) and base assembly (1), and is rotatablely connected with Lifting platform component (3)；
The elevating mechanism (2) includes force piece (21), train of reduction gears (22) and tumbler gear group (23), the commutation
Gear set (23) is located at the top of base assembly (1), and is rotatablely connected with base assembly (1), the train of reduction gears (22)
Connect between tumbler gear group (23) and force piece (21), and respectively with tumbler gear group (23) and force piece (21) rotation
It connects.
2. a kind of vibration excitor lifting device for body mode test according to claim 1, it is characterised in that: described
Base assembly (1) include pedestal platform (11), 2 travellers (12) and 2 thrust bearings (13), the traveller (12), thrust
Bearing (13) is separately fixed at four corners of pedestal platform (11), and the traveller (12) is located in pedestal platform (11) and lifting
Between table-board components (3), the elevating mechanism (2) is connect by thrust bearing (13) with pedestal platform (11).
3. a kind of vibration excitor lifting device for body mode test according to claim 2, it is characterised in that: described
Pedestal platform (11) be square structure, the traveller (12) is separately fixed at the corner of diagonally opposing corner on pedestal platform (11),
And thrust bearing (13) is separately fixed at the corner of another pair of diagonally opposing corner on pedestal platform (11).
4. a kind of vibration excitor lifting device for body mode test according to claim 3, it is characterised in that: described
Lifting platform component (3) include lifting seat stand (31) and 2 linear bearings (32), the linear bearing (32) fix respectively
The corner of diagonally opposing corner in lifting seat stand (31), the traveller (12) and lifting seat stand (31) are connected by linear bearing (32)
It connects.
5. a kind of vibration excitor lifting device for body mode test according to claim 4, it is characterised in that: described
Elevating mechanism (2) further include 2 lead screws (24), one end of the lead screw (24) is separately fixed at thrust axis corresponding thereto
It holds on (13), and the other end is connected through a screw thread with lifting seat stand (31) respectively.
6. a kind of vibration excitor lifting device for body mode test according to claim 5, it is characterised in that: described
Train of reduction gears (22) include intermeshing first gear (221) and second gear (222), the first gear
(221) first rotating shaft (2211) being equipped with, the second gear (222) is equipped with the second shaft (2221), and described first
Shaft (2211) and the second shaft (2221) are rotatablely connected with pedestal platform (11), the first rotating shaft (2211) and second turn
Axis (2221) is located at the two sides of first gear (221), and the first gear (221) and force piece (21) are separately fixed at
The both ends of first rotating shaft (2211).
7. a kind of vibration excitor lifting device for body mode test according to claim 6, it is characterised in that: described
Tumbler gear group (23) include intermeshing first bevel gear (231) and second bevel gear (232), the first cone tooth
Wheel (231) is located at the side of second gear (222), and is fixed on the second shaft (2221), the second bevel gear (232)
It is equipped with third shaft (2321), the third shaft (2321) and pedestal platform (11) are rotatablely connected, the third shaft
(2321) it is equipped with the identical level-one sprocket wheel (23211) of 2 diameters.
8. a kind of vibration excitor lifting device for body mode test according to claim 7, it is characterised in that: described
Lead screw (24) on be equipped with second level sprocket wheel (241), the level-one sprocket wheel of the second level sprocket wheel (241) respectively and corresponding thereto
(23211) it is connected by chain.
9. a kind of vibration excitor lifting device for body mode test according to claim 1, it is characterised in that: described
Force piece (21) be handwheel.
10. a kind of vibration excitor lifting device for body mode test according to claim 4, it is characterised in that: institute
The lifting seat stand (31) stated is equipped with several mounting holes (311) matched with vibration excitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325307.9U CN208793974U (en) | 2018-08-15 | 2018-08-15 | A kind of vibration excitor lifting device for body mode test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325307.9U CN208793974U (en) | 2018-08-15 | 2018-08-15 | A kind of vibration excitor lifting device for body mode test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793974U true CN208793974U (en) | 2019-04-26 |
Family
ID=66205770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821325307.9U Expired - Fee Related CN208793974U (en) | 2018-08-15 | 2018-08-15 | A kind of vibration excitor lifting device for body mode test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058713A (en) * | 2018-08-15 | 2018-12-21 | 中汽研（天津）汽车工程研究院有限公司 | A kind of vibration excitor lifting device for body mode test |
-
2018
- 2018-08-15 CN CN201821325307.9U patent/CN208793974U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058713A (en) * | 2018-08-15 | 2018-12-21 | 中汽研（天津）汽车工程研究院有限公司 | A kind of vibration excitor lifting device for body mode test |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20190426 Termination date: 20200815 |