CN112345266A - Portable adjusting device for wheel track of axle-coupled road simulation bench - Google Patents
Portable adjusting device for wheel track of axle-coupled road simulation bench Download PDFInfo
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- CN112345266A CN112345266A CN202011149594.4A CN202011149594A CN112345266A CN 112345266 A CN112345266 A CN 112345266A CN 202011149594 A CN202011149594 A CN 202011149594A CN 112345266 A CN112345266 A CN 112345266A
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- adjusting
- screw rod
- axle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention relates to the technical field of automobile detection, in particular to a portable adjusting device for wheel track of a shaft-coupled road simulation bench, which comprises a base plate, an adjusting component and a connecting piece, wherein at least two parallel sliding grooves are formed in the base plate, the connecting piece comprises a cylindrical part, a limiting block and a connecting arm, the limiting block is arranged at the lower end part of the cylindrical part, the connecting arm is arranged at the upper part of the cylindrical part, the limiting block and the connecting arm are integrally formed, the limiting block can slide in a clamping groove, the adjusting component is a diamond jack, the end parts of connecting rods of connecting rod mechanisms at two sides of the diamond jack are respectively hinged with a top block, the outer side surface of the top block is a top surface for adjusting the wheel track, the free ends of two connecting rods of the connecting rod mechanisms are respectively movably connected with a screw shaft sleeve and a nut sleeve, and. According to the adjusting device, the diamond jack can be used for symmetrically adjusting the two racks at the same time, so that the adjusting efficiency and the adjusting precision are improved.
Description
Technical Field
The invention relates to the technical field of automobile detection, in particular to a portable adjusting device for a wheel track of a shaft-coupled road simulation bench.
Background
In the automotive field, the reliability of the entire vehicle is very important. Therefore, in the modification or development stage of the vehicle, a durability road simulation test needs to be performed on the whole vehicle or the suspension, so as to check the fatigue durability of the whole vehicle or the suspension. Before the test is carried out on the axle coupling road simulation testing machine, the bench needs to be adjusted to a state corresponding to the test vehicle in spectrum acquisition, namely, the bench and the test vehicle keep the same wheel base and wheel track. Before the durability test is carried out on the whole vehicle, the wheelbase and the wheel base need to be adjusted; the track width needs to be adjusted before endurance testing of the suspension. The adjustment of the wheel track is an important ring in preparation work before a test, the existing wheel track adjustment mode is to adjust a single angle of a rack by using a horizontal jack, and the adjustment of one angle is followed by the adjustment of the other angle. For the convenience of subsequent endurance tests, the symmetrical relation among all the angles of the rack needs to be kept, and if the racks are adjusted one by one, more manpower and time are consumed to ensure the symmetrical relation of the racks. Therefore, a new device needs to be developed for adjusting the wheel track of the test vehicle or the suspension, so as to meet the requirement of quickly adjusting the angles of the platform frame to be symmetrical.
Disclosure of Invention
The invention aims to solve the problems of low efficiency, poor precision and the like in the adjustment of an automobile bench and provide a portable adjusting device for the wheel track of an axle coupling road simulation bench, which can solve the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: a portable adjusting device for axle coupling road simulation rack wheel base, its characteristics are: the adjusting component is a rhombic jack which comprises a screw rod, a screw rod shaft sleeve, a nut sleeve and two groups of connecting rod mechanisms which are respectively hinged on two sides of the screw rod, the nut sleeve is in threaded fit with the screw rod, a thread-free section is arranged at the position of the screw rod close to the end part, the screw rod shaft sleeve is arranged on the thread-free section of the screw rod and is in running fit with the screw rod, the two groups of connecting rod mechanisms respectively comprise two connecting rods with equal length and a jacking block, the end parts of the two connecting rods are respectively hinged with the jacking block, and the outer side surface of the jacking block is a top surface for adjusting the wheel distance, the free ends of two connecting rods of the connecting rod mechanism are respectively movably connected with a screw shaft sleeve and a nut sleeve, connecting parts are respectively arranged on two sides of the screw shaft sleeve and the nut sleeve, and the connecting parts are fixedly connected with a connecting piece through connecting arms on the connecting piece.
The further proposal is that the ejector block is connected with an ejector rod, and the ejector rod is used for pushing the rack to move so as to adjust the wheel track. Because the telescopic range of the diamond jack is limited, the adjusting range of the adjusting component can be enlarged by arranging the ejector rod, and the wheel track of the rack can be adjusted more conveniently. The end part of the ejector rod can be fixedly connected with the rack, and an ejector block matched with the ejector rod can be arranged on the rack to adjust the position of the rack.
The further scheme is that a through hole is formed in the end portion of one side of the screw rod, the rotating handle penetrates through the through hole, and the screw rod can be driven to rotate by rotating the rotating handle. Through setting up rotatory handle, be more convenient for rotate the screw rod, make the nut along the axial displacement of screw rod, and then drive the change of two connecting rod contained angles of link mechanism, make the kicking block of screw rod both sides synchronous along with the flexible removal of screw rod vertically direction level, the synchronous symmetry of the wheel base of being more convenient for is adjusted, can improve the efficiency of adjusting, can improve the accuracy of adjusting again.
The base plate is provided with two or more groups of adjusting components, and each group of adjusting components are respectively connected with the base plate through a connecting piece. Through setting up two sets of or multiunit adjusting part, can improve the efficiency of adjusting, can make the removal of rack more steady again, the precision of adjusting is higher.
The connecting arm of the connecting piece connected with the screw shaft sleeve and the nut sleeve is connected to the lower parts of the screw shaft sleeve and the nut sleeve. The connecting arm is connected to the lower parts of the screw shaft sleeve and the nut sleeve, so that a certain height difference is formed between the screw shaft sleeve and the base plate and between the nut sleeve and the base plate, the rotation operation of the screw is facilitated, and the movement of the screw shaft sleeve and the nut sleeve is also facilitated.
The further scheme is that the sliding groove is a T-shaped sliding groove, the width of the notch is smaller than that of the groove, the limiting block at the bottom of the connecting piece is arranged in the sliding groove, the width of the limiting block is larger than that of the notch, and the limiting block is arranged in the sliding groove from the end part of the sliding groove. Through the arrangement, the connecting piece can be limited in the vertical direction, the connecting piece is prevented from being separated from the sliding groove, and the connecting piece can only move along the sliding groove.
The connecting piece is provided with a threaded through hole, and the connecting piece can be locked and fixed on the base plate through a locking bolt. Through this kind of setting, accomplish the regulation back of rack wheel base, can fix the connecting piece on the bed plate through the locking bolt, the connecting piece is whole fixed back, and adjusting part is locked, enables the rigidity of rack, can prevent that the maloperation from resulting in the rack displacement.
The invention has the positive effects that: according to the portable adjusting device for the wheel track of the axle coupling road simulation rack, the wheel track of the rack is adjusted through the diamond jack, when the screw rod of the diamond jack rotates, the distance between the two nut sleeves is shortened or prolonged, the connecting rods on the two sides of the screw rod are driven to rotate, the included angle between the two connecting rods of the connecting rod mechanism is reduced or enlarged, the jacking blocks on the connecting parts of the two connecting rods horizontally stretch in the direction perpendicular to the screw rod, and because the structures on the two sides of the diamond jack are symmetrical, the stretching amounts of the jacking blocks on the two sides of the screw rod are the same, so that the racks on the two sides can be driven to synchronously move, the two racks can be adjusted at the same time, the adjusting efficiency is improved, meanwhile, the two racks can be symmetrically adjusted, and the adjusting precision.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the connection of the adjustment mechanism, base plate, and connecting member.
Fig. 3 is a schematic structural diagram of the adjustment assembly.
In the figure, a base plate 1, a sliding groove 11, an adjusting component 2, a screw rod 21, a screw rod shaft sleeve 22, a nut sleeve 23, a connecting rod 24, an ejector block 25, a rotating handle 26, a connecting piece 3, a cylindrical part 31, a limiting block 32, a connecting arm 33, a threaded through hole 34 and a rack 4 are arranged.
Detailed Description
The technical solutions of the present invention are described clearly and completely by the following embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 invention.
The portable adjusting apparatus for an axle-coupled road simulator stand track as shown in fig. 1 to 3 includes a base plate 1, an adjusting assembly 2, and a connecting member 3.
The bed plate 1 is the metal sheet, and it has the parallel spout 11 of multichannel to distribute with certain interval on bed plate 1, and spout 11 is T shape spout, and its cross-section is T shape, and the notch width of spout 11 is less than the width in the groove.
The connecting member 3 includes a cylindrical portion 31, a stopper 32 and a connecting arm 33, the stopper 32 is disposed at the lower end of the cylindrical portion 31, the connecting arm 33 is disposed at the upper portion of the cylindrical portion 31, the stopper 32 and the connecting arm 33 are integrally formed, a threaded through hole 34 is provided in the cylindrical portion 31, and the connecting member 4 can be locked and fixed on the base plate 2 by a locking bolt. The limiting block 32 is arranged in the sliding groove 11, the width of the limiting block 32 is larger than that of the notch, and the limiting block 32 is arranged in the sliding groove from the end part of the sliding groove 11.
The adjusting component 2 is a diamond jack, the diamond jack comprises a screw 21, a screw shaft sleeve 22, a nut sleeve 23 and two groups of link mechanisms respectively hinged on two sides of the screw 21, the nut sleeve 23 is in threaded fit with the screw 21, a thread-free section is arranged at a position of the screw 21 close to the end part, the screw shaft sleeve 22 is arranged on the thread-free section of the screw 21 and is in rotating fit with the screw 21, a limit part for limiting the screw shaft sleeve to axially move towards the outside is arranged at the end part of the screw 21, the diameter of the limit part is larger than the bore diameter of an inner bore of the screw shaft sleeve 22, the two groups of link mechanisms respectively comprise two connecting rods 24 with equal length and a top block 25, the end parts of the two connecting rods 24 are respectively hinged with the top block 25, the outer side surface of the top block 25 is a top surface for adjusting wheel distance, the free ends of the two connecting rods 24 of the link mechanisms are respectively movably connected with the screw, the connecting part is fixedly connected with the connecting part 3 through a connecting arm 33 on the connecting part 3, and the connecting arm 33 is connected to the lower parts of the screw boss 22 and the nut boss 23. In practice, a set of adjustment assemblies 2 is connected to the base plate 1 by four connecting members 3.
Each of the ejector blocks 25 is connected to an ejector pin for pushing the carriage 4 to move to adjust the track. Because the telescopic range of the diamond jack is limited, the adjusting range of the adjusting component can be enlarged by arranging the ejector rod, and the wheel track of the rack can be adjusted more conveniently. The end of the ejector rod can be fixedly connected with the rack 4, and an ejector block matched with the ejector rod can be arranged on the rack 4 to adjust the position of the rack.
The screw 21 is provided with a through hole at one side end, the rotating handle 26 passes through the through hole, and the screw 21 can be driven to rotate by rotating the rotating handle 26. In the drawing, the through hole is formed in the end portion of the screw 21 close to the screw boss 22, the through hole is formed in the limiting portion, the rotating handle 26 penetrates through the through hole, and the rotating handle 26 can axially move relative to the through hole, so that the screw 21 is driven to rotate by the rotating handle 26.
Two or more groups of adjusting components 2 are arranged on the base plate 1, and each group of adjusting components 2 is connected with the base plate 1 through a connecting piece 3. Through setting up two sets of or multiunit adjusting part 2, can improve the efficiency of adjusting, can make the removal of rack 4 more steady again, the precision of adjusting is higher.
The invention relates to a portable adjusting device for axle coupling road simulation bench wheel track, when in use, limiting blocks 32 of four connecting pieces 3 are respectively arranged in a sliding groove 11 from the end part of the sliding groove 11 on a base plate 1, when in installation, every two connecting pieces 3 are arranged on one sliding groove 11, the distance between the two sliding grooves 11 arranged in the connecting pieces 3 is slightly larger than the width of an adjusting component 2, then connecting arms 33 of the four connecting pieces 3 are respectively and correspondingly connected on a screw shaft sleeve 22 or a nut sleeve 23 of the adjusting component 2, then a mandril is connected on a top block 25, the other end of the mandril is connected with a bench 4 or is propped against the corresponding part of the bench 4, the connecting piece 3 connected with the screw shaft sleeve 22 is fixed on the base plate 1 through a locking nut, then a rotating handle 26 is rotated to drive the screw 21 to rotate, so that the nut sleeve 23 moves along the screw 21, and the distance between the nut sleeve 23 and the screw shaft, meanwhile, the included angle between the two connecting rods of the two groups of connecting rod mechanisms positioned on the two sides of the screw rod 21 is reduced, so that the ejector block 25 moves towards the direction far away from the screw rod 21, the ejector block 25 drives the ejector rod to push the rack 4 to move, the wheel distances of the two racks 4 on the two sides of the screw rod 21 are synchronously adjusted, and the distance between the two racks 4 on the two sides of the adjusting mechanism is increased. In the same way, the screw rod 21 is rotated reversely, and the distance between the two racks 4 on the two sides of the screw rod can be shortened under the action of the diamond jack, the ejector block and the ejector rod, and under the condition, the two ends of the ejector rod are fixedly connected with the racks and the ejector block, so that the adjustment of shortening the distance between the racks can be realized. Because the link mechanisms on the two sides of the diamond jack are symmetrical, the moving distances of the two racks are the same in the adjusting process, the two racks can be symmetrically adjusted, and the adjusting precision is higher. In order to adjust all the racks, two or more groups of adjusting components can be arranged on the base plate, so that the adjusting efficiency can be improved, and the adjusting precision can be improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A portable adjusting device for axle coupling road simulation platform track, its characterized in that: the adjusting component is a rhombic jack which comprises a screw rod, a screw rod shaft sleeve, a nut sleeve and two groups of connecting rod mechanisms which are respectively hinged on two sides of the screw rod, the nut sleeve is in threaded fit with the screw rod, a thread-free section is arranged at the position of the screw rod close to the end part, the screw rod shaft sleeve is arranged on the thread-free section of the screw rod and is in running fit with the screw rod, the two groups of connecting rod mechanisms respectively comprise two connecting rods with equal length and a jacking block, the end parts of the two connecting rods are respectively hinged with the jacking block, and the outer side surface of the jacking block is a top surface for adjusting the wheel distance, the free ends of two connecting rods of the connecting rod mechanism are respectively movably connected with a screw shaft sleeve and a nut sleeve, connecting parts are respectively arranged on two sides of the screw shaft sleeve and the nut sleeve, and the connecting parts are fixedly connected with a connecting piece through connecting arms on the connecting piece.
2. The portable adjustment device for an axle-coupled road simulator stand track of claim 1, wherein: the ejector block is connected with the ejector rod, and the ejector rod is used for pushing the rack to move so as to adjust the wheel track.
3. The portable adjustment device for an axle-coupled road simulator stand track of claim 1, wherein: the screw rod is characterized in that a through hole is formed in the end part of one side of the screw rod, the rotating handle penetrates through the through hole, and the screw rod can be driven to rotate by rotating the rotating handle.
4. The portable adjustment device for an axle-coupled road simulator stand track of claim 1, wherein: the base plate is provided with two or more groups of adjusting components, and each group of adjusting components is connected with the base plate through a connecting piece.
5. The portable adjustment device for an axle-coupled road simulator stand track of claim 1, wherein: and the connecting arm of the connecting piece connected with the screw shaft sleeve and the nut sleeve is connected to the lower parts of the screw shaft sleeve and the nut sleeve.
6. The portable adjustment device for an axle-coupled road simulator stand track of claim 1, wherein: the spout be T shape spout, the notch width is less than the width in the inslot, the stopper of connecting piece bottom is established in the spout, the width of stopper is greater than the width of notch, the stopper is packed into the spout from the tip of spout.
7. The portable adjustment device for an axle-coupled road simulator stand track of claim 1, wherein: the connecting piece on be equipped with the screw thread through-hole, can fix the connecting piece locking on the bed plate through the locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149594.4A CN112345266A (en) | 2020-10-23 | 2020-10-23 | Portable adjusting device for wheel track of axle-coupled road simulation bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149594.4A CN112345266A (en) | 2020-10-23 | 2020-10-23 | Portable adjusting device for wheel track of axle-coupled road simulation bench |
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| Publication Number | Publication Date |
|---|---|
| CN112345266A true CN112345266A (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011149594.4A Pending CN112345266A (en) | 2020-10-23 | 2020-10-23 | Portable adjusting device for wheel track of axle-coupled road simulation bench |
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| CN (1) | CN112345266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107629A (en) * | 2021-05-07 | 2021-07-13 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
-
2020
- 2020-10-23 CN CN202011149594.4A patent/CN112345266A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107629A (en) * | 2021-05-07 | 2021-07-13 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
| CN113107629B (en) * | 2021-05-07 | 2022-06-07 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
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