CN110702424B - Wheel base adjusting device of automobile performance testing equipment - Google Patents

Wheel base adjusting device of automobile performance testing equipment Download PDF

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Publication number
CN110702424B
CN110702424B CN201910922763.4A CN201910922763A CN110702424B CN 110702424 B CN110702424 B CN 110702424B CN 201910922763 A CN201910922763 A CN 201910922763A CN 110702424 B CN110702424 B CN 110702424B
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rod
wheel base
fixedly connected
shaft
supporting
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CN110702424A (en
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霍志毅
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Xingtai Polytechnic College
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Xingtai Polytechnic College
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles

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  • General Physics & Mathematics (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention provides a wheel base adjusting device of automobile performance testing equipment, which belongs to the technical field of automobile performance testing and comprises a wheel base rod, a fixed block and a threaded rod, wherein the fixed block is respectively arranged at one side of the wheel base rod, the threaded rod is positioned at the middle end of the wheel base rod, one side of the lower end of the wheel base rod is respectively and fixedly connected with a fixed rubber plate, the lower ends of the fixed rubber plates are respectively and fixedly connected with a supporting seat, and one side of the supporting seat is respectively provided with a sealing sleeve. This kind of car capability test equipment's wheel base adjusting device stable in structure, when the supporting shoe is being connected with the depressed groove, can play certain resistance to the supporting shoe with the help of the sunken radian of depressed groove one side, when playing certain resistance to the supporting shoe, alright holistic messenger bradyseism pole and dead lever remain fixed, in order to avoid bradyseism pole and dead lever to take place the off normal, be in on the wheel base pole to the car, and when the influence that receives the car dead weight to push down and the push down vibrations that take place, can protect the holistic stability of wheel base adjusting device betterly.

Description

Wheel base adjusting device of automobile performance testing equipment
Technical Field
The invention relates to the technical field of automobile performance testing, in particular to a wheel base adjusting device of automobile performance testing equipment.
Background
The automobile wheelbase is the distance between two perpendicular lines which pass through the middle points of two adjacent wheels on the same side of the automobile and are perpendicular to the longitudinal symmetry plane of the automobile, for the automobile with more than three axles, the wheelbase is respectively represented by the wheelbase between the two adjacent wheels from front to back, the total wheelbase is the sum of the wheelbases, and from the practical use, the length of the wheelbase directly influences the length of the automobile and further influences the internal use space of the automobile, so that the parameter of the wheelbase is definitely recorded in an automobile technical performance table, which is enough to say that the parameter has an important reference function, and the performance of the whole automobile is influenced by the excessively short and excessively long wheelbases.
The automobile factory can carry out comprehensive test on the relevant performances of the automobile before the automobile leaves the factory and is sold so as to detect whether the automobile is qualified or not, in the test of automobiles, the wheelbase test of the automobiles is needed, and when the wheelbase test of the automobiles, the wheelbase adjusting device is involved, however, most wheelbase adjusting devices of the conventional automobile performance testing devices are fixed and have a single design, and for the automobile as a whole, only the wheelbase of the automobile can be tested, and for the automobile manufacturer, the devices in the workshop are mostly mould equipment, so that the device can only be used by a single type of automobile, and automobiles are also of various types, depending on their own positioning level, and in this case, for different types of automobiles, the wheelbase adjusting device of the traditional molding equipment cannot meet the wheelbase adjustment of different types of automobiles, and the wheelbase adjusting device is obviously limited in practical use.
Therefore, it is necessary to upgrade and modify the wheelbase adjusting device of the existing vehicle performance testing equipment to overcome the existing problems and deficiencies.
Disclosure of Invention
The invention aims to solve the problems that most of wheelbase adjusting devices of the existing automobile performance testing equipment are fixed and single in design, the wheelbase of an automobile can only be tested for the whole automobile, most of the devices in workshops of an automobile factory are mould equipment, so that the wheelbase adjusting devices can only be used for single type automobiles, and automobiles are different in type according to different positioning grades, under the condition, the wheelbase adjusting devices of the traditional mould equipment cannot meet the wheelbase adjustment for different types of automobiles, and the wheelbase adjusting devices are obviously limited in practical use, and the wheelbase adjusting devices of the automobile performance testing equipment are stable in structure by arranging a shock absorption rod, a compression spring rod, a rubber pad, a hydraulic cylinder, an electric hydraulic rod and a fixed rod, the supporting block can be provided with certain resistance by means of the sunken radian on one side of the sunken groove, and when the supporting block is provided with certain resistance, the buffering rod and the fixing rod can be integrally fixed, so that the buffering rod and the fixing rod are prevented from deviating, and the integral stability of the wheelbase adjusting device can be well protected when the automobile is positioned on the wheelbase rod and is pressed down due to the influence of the dead weight of the automobile.
In order to achieve the above object, the present invention provides the following technical solutions, a wheel base adjusting device of an automobile performance testing apparatus, comprising a wheel base rod, a fixing block and a threaded rod, wherein the fixing block is respectively disposed at one side of the wheel base rod, the threaded rod is disposed at the middle end of the wheel base rod, one side of the lower end of the wheel base rod is respectively and fixedly connected with a fixed rubber plate, the lower end of the fixed rubber plate is respectively and fixedly connected with a supporting seat, one side of the supporting seat is respectively provided with a sealing sleeve, one side of the sealing sleeve is respectively provided with a connecting frame, one end of the connecting frame is respectively connected with the sealing sleeve in a penetrating manner, one end of the connecting frame extends to the inner side of the supporting seat through being connected with the sealing sleeve in a penetrating manner, the inner side of the supporting seat is hollow, one end of the inner side of the supporting seat is respectively provided with a welding shaft, the, one side of the lower end of the welding shaft is respectively provided with a compression spring rod fixedly connected with the welding shaft, the lower end of the compression spring rod is respectively provided with a connecting seat fixedly connected with the compression spring rod, the upper end of each connecting seat is provided with a layer of rubber pad, the rubber pads are all bonded with the connecting seats, one side of the lower end of each connecting seat is respectively provided with a connecting shaft, one end of each connecting shaft is fixedly connected with the corresponding supporting seat, the lower end of each connecting shaft is respectively provided with a limiting shaft, one end of each limiting shaft is fixedly connected with the corresponding supporting seat, the connecting shafts are connected with the limiting shafts through welding supporting rods, one side of each welding shaft is respectively provided with a connecting plate fixedly connected with the corresponding welding shaft, one end of each connecting plate is respectively and fixedly connected with a hydraulic cylinder, one side of each hydraulic cylinder is respectively, and one side of dead lever all with pneumatic cylinder fixed connection to the dead lever is equidistance transverse arrangement in proper order and distributes, and one side that the electronic hydraulic stem gos deep into the pneumatic cylinder simultaneously is fixedly connected with fixed track board respectively, the lower extreme of dead lever is equipped with the bradyseism pole respectively, and the one end of bradyseism pole all with dead lever fixed connection to the lower extreme of bradyseism pole is fixedly connected with respectively and bradyseism pole fixed connection's supporting shoe, one side of fixed track board evenly distributed respectively has the depressed groove that all is the arc form with one side edge of supporting shoe, and one side and this depressed groove laminating of supporting shoe are connected.
Preferably, the compression-resistant spring rods are all inclined.
Preferably, the cross sections among the supporting arch plate, the welding shaft, the connecting seat and the compression-resistant spring rod are in a vertical shape.
Preferably, the thickness of the rubber pad is 5-10 cm.
Preferably, the hydraulic cylinder and the electric hydraulic rod are both connected with an external power supply.
Has the advantages that:
(1) this kind of wheel base adjusting device of car capability test equipment is because one side difference evenly distributed of fixed track board has the depressed groove that all is the arc form with a side edge of supporting shoe, and because one side of supporting shoe is connected with this depressed groove laminating, when the supporting shoe is being connected with the depressed groove, can play certain resistance to the supporting shoe with the help of the sunken radian of depressed groove one side, when playing certain resistance to the supporting shoe, alright holistic messenger bradyseism pole and dead lever keep fixed, in order to avoid bradyseism pole and dead lever to take place the off normal, be in on the wheel base pole to the car, and when the downhill shaking that takes place under the influence that the car dead weight pushed down, can protect the holistic stability of wheel base adjusting device betterly.
(2) The wheel base adjusting device of the automobile performance testing equipment can fix the automobile tires on the wheel base rod to a certain degree through the fixed block, so that the automobile is prevented from deviating from the original position due to the influence of external force or inertia force and other external factors, meanwhile, thrust is applied to the electric hydraulic rod under the thrust action of the hydraulic cylinder, the distance between the two supporting seats can be changed in real time while the hydraulic cylinder applies the thrust to the electric hydraulic rod, when the distance between the two supporting seats is gradually pulled, the length of the wheel base rod can be changed through the threaded rod, and the wheel base adjusting device has high adaptability for adjusting the wheel base of performance testing of automobiles of different types, so that the length of the wheel base adjusting device can be adjusted according to the actual automobile type, and the use of different positioned automobile models by a vehicle manufacturer can be met, the device is very modern, when the length of the wheel base is adjusted, the length of the electric hydraulic rod can be fixed through the supporting block and the concave groove, and under the condition, the dead weight of the automobile can be well borne through the compression-resistant spring rod and the shock absorption rods which are uniformly distributed, so that instability caused by pressure brought to the wheel base adjusting device due to the dead weight of the automobile is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of a partial structure of the supporting seat of the present invention.
Fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention.
Fig. 4 is a partial structural schematic diagram of the hydraulic cylinder and the electro-hydraulic rod of the invention.
Fig. 5 is an enlarged view of the structure at B in fig. 4 according to the present invention.
In FIGS. 1-5: 1-wheelbase rod; 2, fixing blocks; 3-a threaded rod; 4-a support seat; 401-supporting arch bars; 402-welding the shaft; 4021-connecting plate; 4022-a hydraulic cylinder; 4023-an electric hydraulic lever; 403-a connecting seat; 404-compression-resistant spring rods; 405-a rubber pad; 406-a connecting shaft; 407-a limiting shaft; 5-connecting the frame; 6-sealing sleeve; 7-fixing a rubber plate; 8-fixing the rod; 801-a shock-absorbing rod; 802-a support block; 9-fixing the track plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention.
Example (b):
with reference to the figures 1-5 of the drawings,
the invention provides a wheel base adjusting device of automobile performance testing equipment, which comprises a wheel base rod 1, a fixed block 2 and a threaded rod 3, wherein the fixed block 2 is respectively arranged at one side of the wheel base rod 1, the threaded rod 3 is positioned at the middle end of the wheel base rod 1, one side of the lower end of the wheel base rod 1 is respectively and fixedly connected with a fixed rubber plate 7, the lower end of the fixed rubber plate 7 is respectively and fixedly connected with a supporting seat 4, one side of the supporting seat 4 is respectively provided with a sealing sleeve 6, one side of the sealing sleeve 6 is respectively provided with a connecting frame 5, one end of the connecting frame 5 is respectively connected with the sealing sleeve 6 in a penetrating way and extends to the inner side of the supporting seat 4, the inner side of the supporting seat 4 is hollow, one end inside the supporting seat 4 is respectively provided with a welding shaft 402, the upper end of the welding shaft 402 is respectively provided with a supporting arch plate 401, and the supporting arch plates 401 are respectively and, one side of the lower end of the welding shaft 402 is respectively provided with a compression spring rod 404 fixedly connected with the welding shaft 402, the lower end of the compression spring rod 404 is respectively provided with a connecting seat 403 fixedly connected with the compression spring rod 404, the upper end of the connecting seat 403 is respectively provided with a layer of rubber pad 405, the rubber pads 405 are respectively bonded with the connecting seats 403, one side of the lower end of the connecting seats 403 is respectively provided with a connecting shaft 406, one end of the connecting shaft 406 is respectively fixedly connected with the supporting seat 4, the lower end of the connecting shaft 406 is respectively provided with a limiting shaft 407, one end of the limiting shaft 407 is respectively fixedly connected with the supporting seat 4, the connecting shaft 406 is connected with the limiting shaft 407 through a welding strut, one side of the welding shaft 402 is respectively provided with a connecting plate 4021 fixedly connected with the welding shaft 402, one end of the connecting plate 4021 is respectively fixedly connected with a hydraulic cylinder 4022, and, the one end of pneumatic cylinder 4022 evenly distributed respectively has dead lever 8, and one side of dead lever 8 all with pneumatic cylinder 4022 fixed connection, and dead lever 8 distributes for equidistance transverse arrangement in proper order, one side that electronic hydraulic stem 4023 deepened pneumatic cylinder 4022 is fixed rail board 9 respectively, the lower extreme of dead lever 8 is equipped with bradyseism pole 801 respectively, and the one end of bradyseism pole 801 all with dead lever 8 fixed connection, and the lower extreme of bradyseism pole 801 respectively fixedly connected with bradyseism pole 801 fixed connection's supporting shoe 802, one side of fixed rail board 9 evenly distributed respectively has the indent that all is the arc form with a side edge of supporting shoe 802, and one side of supporting shoe 802 is connected with this indent laminating.
Further, the compression-resistant spring rods 404 are all inclined;
in this embodiment, the design that the anti-pressure spring bars 404 are all inclined can make the anti-pressure spring bars 404 better bear the pressure from the support arch 401 and the welding shaft 402, so that the anti-pressure spring bars 404 transfer the pressure to the anti-pressure spring bars 404, and further make the anti-pressure spring bars 404 further press the pressure down to the connecting seat 403.
Further, the cross section among the supporting arch plate 401, the welding shaft 402, the connecting seat 403 and the compression-resistant spring rod 404 is in a vertical shape;
in this embodiment, the cross section among the support arch 401, the welding shaft 402, the connecting seat 403, and the compression-resistant spring rod 404 is designed to be vertical, so that the stress on the support arch 401, the welding shaft 402, and the compression-resistant spring rod 404 can be transferred to the connecting shaft 406 through the connecting seat 403 as a gathering point, thereby achieving the force dispersion.
Further, the thickness of the rubber pad 405 is 5-10 cm;
in this embodiment, the rubber pad 405 can relieve the pressure of the pressure spring bar 404 to further achieve the dissipation of the force.
Further, the hydraulic cylinder 4022 and the electric hydraulic rod 4023 are both connected with an external power supply;
in this embodiment, the hydraulic cylinder 4022 and the electric hydraulic rod 4023 are driven by the external power source.
The working principle is as follows:
when the wheelbase adjusting device of the automobile performance testing equipment provided by the embodiment is used, firstly, the tightness of connection among all parts of the device is checked, then, the hydraulic cylinder 4022 and the electric hydraulic rod 4023 of the device are connected with an external power supply, when a relevant test is performed on an automobile, a certain resistance can be exerted on the supporting block 802 by virtue of the concave radian at one side of the concave groove, when the certain resistance is exerted on the supporting block 802, the shock absorption rod 801 and the fixing rod 8 can be integrally fixed, so that the shock absorption rod 801 and the fixing rod 8 are prevented from being deviated, when the automobile is positioned on the wheelbase rod 1 and is pressed down and vibrated due to the influence of the self weight of the automobile, the overall stability of the wheelbase adjusting device can be better protected, and the automobile tire positioned on the wheelbase rod 1 can be fixed to a certain degree by the arranged fixing block 2, so that the automobile is prevented from deviating from the original position due to the influence of other external force or inertia force and other external factors, simultaneously under the thrust effect of pneumatic cylinder 4022 and exert thrust to electronic hydraulic stem 4023, when pneumatic cylinder 4022 applys thrust to electronic hydraulic stem 4023, can change the interval between two supporting seats 4 in real time, when the interval between two supporting seats 4 was pulled open gradually, also can change the length of wheel base pole 1 through threaded rod 3, this to the wheel base adjustment to the performance test of the car of different grade type, have fairly high adaptability, make the length of the visual actual car type adjustment wheel base device of this device.

Claims (5)

1. A wheel base adjusting device of an automobile performance testing device comprises a wheel base rod (1), a fixing block (2) and a threaded rod (3), and is characterized in that the fixing block (2) is arranged on one side of the wheel base rod (1) respectively, the threaded rod (3) is arranged at the middle end of the wheel base rod (1), one side of the lower end of the wheel base rod (1) is fixedly connected with a fixing rubber plate (7) respectively, the lower end of the fixing rubber plate (7) is fixedly connected with a supporting seat (4) respectively, one side of the supporting seat (4) is provided with a sealing sleeve (6) respectively, one side of the sealing sleeve (6) is provided with a connecting frame (5), one end of the connecting frame (5) is connected with the sealing sleeve (6) in a penetrating manner, one end of the connecting frame (5) extends to the inner side of the supporting seat (4) through being connected with the sealing sleeve (6) in a penetrating manner, and the inner side of the, one end of the inside of the supporting seat (4) is respectively provided with a welding shaft (402), the upper end of the welding shaft (402) is respectively provided with a supporting arch plate (401), the supporting arch plates (401) are integrally connected with the welding shaft (402), one side of the lower end of the welding shaft (402) is respectively provided with a compression-resistant spring rod (404) fixedly connected with the welding shaft (402), the lower end of the compression-resistant spring rod (404) is respectively provided with a connecting seat (403) fixedly connected with the compression-resistant spring rod (404), the upper end of the connecting seat (403) is respectively provided with a layer of rubber pad (405), the rubber pads (405) are respectively bonded with the connecting seat (403), one side of the lower end of the connecting seat (403) is respectively provided with a connecting shaft (406), one end of the connecting shaft (406) is respectively fixedly connected with the supporting seat (4), and the lower end of the connecting shaft (406) is respectively provided with a limiting shaft (407) one end of which is, meanwhile, a connecting shaft (406) is connected with a limiting shaft (407) through a welding support rod, one side of the welding shaft (402) is respectively provided with a connecting plate (4021) fixedly connected with the welding shaft (402), one end of the connecting plate (4021) is respectively fixedly connected with a hydraulic cylinder (4022), one side of each hydraulic cylinder (4022) is provided with an electric hydraulic rod (4023) which is connected with the hydraulic cylinder (4022) in a penetrating manner, one end of each hydraulic cylinder (4022) is respectively and uniformly distributed with a fixing rod (8), one side of each fixing rod (8) is fixedly connected with the hydraulic cylinder (4022), the fixing rods (8) are sequentially distributed in an equidistant and transverse arrangement manner, one side of each electric hydraulic rod (4023) penetrating into the hydraulic cylinder (4022) is respectively and fixedly connected with a fixed track plate (9), the lower end of each fixing rod (8) is respectively provided with a cushioning rod (801), and one end of each cushioning rod (801) is fixedly connected with each, and the lower extreme of bradyseism pole (801) is fixedly connected with supporting shoe (802) with bradyseism pole (801) fixed connection respectively, one side of fixed track board (9) evenly distributed respectively have all be the depressed groove of arcuation with a side edge of supporting shoe (802), and one side of supporting shoe (802) is connected with this depressed groove laminating.
2. The wheelbase adjusting apparatus of an automobile performance testing device as claimed in claim 1, wherein the compression-resistant spring rods (404) are all inclined.
3. The wheelbase adjusting device of the vehicle performance testing equipment according to claim 2, wherein the cross section among the supporting arch plate (401), the welding shaft (402), the connecting seat (403) and the compression-resistant spring rod (404) is in a shape of a Chinese character 'tu'.
4. The wheelbase adjusting apparatus for vehicle performance testing equipment according to claim 3, wherein the rubber pad (405) has a thickness of 5-10 cm.
5. The wheel base adjusting device of an automobile performance testing apparatus according to claim 3, characterized in that the hydraulic cylinder (4022) and the electric hydraulic rod (4023) are both connected to an external power supply.
CN201910922763.4A 2019-09-27 2019-09-27 Wheel base adjusting device of automobile performance testing equipment Active CN110702424B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910922763.4A CN110702424B (en) 2019-09-27 2019-09-27 Wheel base adjusting device of automobile performance testing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910922763.4A CN110702424B (en) 2019-09-27 2019-09-27 Wheel base adjusting device of automobile performance testing equipment

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CN110702424A CN110702424A (en) 2020-01-17
CN110702424B true CN110702424B (en) 2021-05-28

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR93869E (en) * 1967-01-24 1969-05-30 Ferodo Sa Fixed station test stand for motor vehicles.
DE202015104938U1 (en) * 2015-09-17 2015-11-25 Gl Gmbh Metall- Und Werkstattechnik Mobile vehicle positioning system
CN106769116B (en) * 2016-12-03 2019-06-11 中国航空工业集团公司北京长城计量测试技术研究所 A kind of high-speed rail bogie on-line automatic detection device
CN206552426U (en) * 2017-02-20 2017-10-13 中山市皓祥模具五金有限公司 A kind of high compression-resistant type mould shelf
CN109004147A (en) * 2018-08-31 2018-12-14 西华大学 Damping device for electric automobile battery

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Application publication date: 20200117

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Denomination of invention: A wheelbase adjustment device for automotive performance testing equipment

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