CN215553535U

CN215553535U - Toe-in structure is adjusted to steering axle tie rod

Info

Publication number: CN215553535U
Application number: CN202121479336.2U
Authority: CN
Inventors: 杨贝贝; 乔国强; 邝力铨
Original assignee: Alion Manufacturing & Engineering Ltd
Current assignee: Alion Manufacturing & Engineering Ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-18
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a toe-in adjusting structure of a steering axle tie rod. The steering axle tie rod toe-in adjusting structure comprises: the transverse pull rod is provided with an assembling mechanism and four adjusting mechanisms; the assembling mechanism comprises a circular tube, two concave bases, four round holes and two toe-in mechanisms, wherein the two concave bases are fixedly arranged at two ends of the circular tube respectively, the four round holes are formed in the corresponding concave bases respectively, each toe-in mechanism comprises a bushing seat, a bolt hole, a bushing mounting hole, a clamping bolt, an elastic cushion, an eccentric rubber bushing, an adjusting bolt, two bushings and a locking nut, and the bushing seats are arranged on the concave bases.

Description

Toe-in structure is adjusted to steering axle tie rod

Technical Field

The utility model belongs to the technical field of steering axle toe-in, and particularly relates to a steering axle tie rod toe-in adjusting structure.

Background

Steering axle generally all has the tie rod, steering axle all need adjust the length of pull rod at self manufacturing assembly process and later stage dress car, thereby change the toe-in size of wheel, in the traditional automobile design concept, there are two kinds of thoughts fixed and adjustable to the design of the outer hard spot of automobile steering tie rod portion, different thoughts have respective merits, fixed outer hard spot design helps improving vehicle steering system's stability, and adjustable's outer hard spot design of horizontal pull rod has then satisfied the adaptation adjustment in the in-service use process, expand the product and use the scope.

However, in the prior art, the structure of the multipurpose ball head and the forward and reverse wire pull rod of the steering axle of the common automobile and the agricultural vehicle is relatively simple, a special ball head needs to be selected and a forward and reverse wire needs to be processed, the cost is relatively high, and in addition, the ball head is in rigid connection with the pull rod, the ball head is large in vibration and easy to wear or pull off.

Therefore, it is necessary to provide a new structure for adjusting toe of tie rod of steering axle to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a toe-in adjusting structure of a steering axle tie rod, which can simplify the toe-in adjusting process, can absorb shock and buffer during steering and can automatically adjust the toe-in value.

In order to solve the technical problem, the steering axle tie rod adjusting toe-in structure provided by the utility model comprises a tie rod, wherein an assembling mechanism and four adjusting mechanisms are arranged on the tie rod; the assembling mechanism comprises a round pipe, two concave bases, four round holes and two toe-in mechanisms, wherein the two concave bases are fixedly arranged at two ends of the round pipe respectively, the four round holes are formed in the corresponding concave bases respectively, the toe-in mechanism comprises a lining seat, bolt holes, a lining mounting hole, a tightening bolt, an elastic cushion, an eccentric rubber lining, an adjusting bolt, two lining sleeves and a locking nut, the lining seat is arranged on the concave bases, the bolt holes are formed in the outer wall of one side of the lining seat, the lining mounting hole is formed in the top of the lining seat, the tightening bolt is arranged on the bolt holes in a threaded mode, the elastic cushion is sleeved on the tightening bolt in a sliding mode, the eccentric rubber lining sleeves are arranged in the lining mounting holes, the adjusting bolt penetrates through the two bolt holes, the two lining sleeves are arranged in the corresponding bolt holes, and the inner walls of the lining sleeves are in contact with the adjusting bolt, the locking nut is installed at the bottom end of the adjusting bolt in a threaded mode;

the adjusting mechanism comprises a hydraulic cylinder, a connecting block, a movable box, a motor I, a rotating rod, a rotating box, a motor II, a bidirectional threaded rod and two clamping blocks, the hydraulic cylinder is fixedly arranged on the circular tube, the connecting block is fixedly arranged on an output shaft of the hydraulic cylinder, the moving box is fixedly arranged on the outer wall of one side of the connecting block, the first motor is fixedly arranged on the inner wall of the bottom of the moving box, the rotating rod is fixedly arranged on an output shaft of the motor I, the rotating box is fixedly arranged at the top end of the rotating rod, the second motor is fixedly arranged on the outer wall of one side of the rotating box, the bidirectional threaded rod is fixedly arranged on an output shaft of the second motor, the bidirectional threaded rod extends to the interior of the rotating box and is rotationally connected with the rotating box, the clamping blocks are installed on the bidirectional threaded rod in a threaded mode, and the tops of the clamping blocks extend to the outside of the moving box.

As a further scheme of the utility model, a notch is formed in the outer wall of one side of the bushing seat, a welding matching surface is arranged on the bushing seat, a third motor is fixedly installed on the outer wall of one side of the bushing seat, a long gear is fixedly installed on an output shaft of the third motor, a short gear is fixedly installed on the tightening bolt, and the short gear is meshed with the long gear.

As a further aspect of the present invention, the eccentric rubber bushing includes an outer iron ring, an outer wall of the outer iron ring contacts with an inner wall of the bushing seat mounting hole, the eccentric rubber bushing includes an inner iron ring, a rubber ring is fixedly mounted on an outer wall of the inner iron ring, and an outer wall of the rubber ring contacts with an inner wall of the outer iron ring.

As a further scheme of the present invention, a first smooth cylindrical surface is provided on the adjusting bolt, the first smooth cylindrical surface contacts with a corresponding bushing, a knurled surface is provided on the adjusting bolt, the knurled surface contacts with an inner wall of the inner iron ring, a second smooth cylindrical surface is provided on the adjusting bolt, the second smooth cylindrical surface contacts with a corresponding bushing, an external thread surface is provided on the adjusting bolt, and the external thread surface is in threaded connection with the lock nut.

As a further scheme of the utility model, the same sliding rod is fixedly arranged on the inner walls of the two sides of the rotating box and is in sliding connection with the two clamping blocks.

As a further scheme of the utility model, the top of the moving box is provided with an annular through hole, and the top of the rotating box is provided with two rectangular through holes.

Compared with the prior art, the structure for adjusting toe-in of the tie rod of the steering axle has the following beneficial effects:

1. according to the utility model, the assembling mechanism is arranged, so that the adjusting process of the toe-in can be simplified, and the toe-in adjusting process can be simplified and the vibration can be buffered to prevent abrasion;

2. the adjusting mechanism is arranged, so that the adjusting bolt can be automatically rotated to adjust, and the length of the pull rod can be controlled by rotating the eccentric rubber bushing and utilizing the eccentric amount.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view in elevation and section showing a toe-in adjustment structure of a tie rod of a steering axle according to the present invention;

FIG. 2 is an assembly view of a hydraulic cylinder, a connecting block, a moving box, a first motor, a rotating rod, a rotating box, a second motor, a bidirectional threaded rod, a sliding rod, a clamping block, a rectangular through opening and an annular through opening in the utility model;

FIG. 3 is a schematic view of an adjusting bolt according to the present invention;

FIG. 4 is an assembly view of a bushing seat, bolt holes, notches, welded mating surfaces, bushing mounting holes, clamping bolts, spring washers, motor III, short gears and long gears in accordance with the present invention;

FIG. 5 is a schematic structural view of a track rod according to the present invention;

fig. 6 is a schematic structural view of the eccentric rubber bushing of the present invention.

In the figure: 1. a tie rod; 101. a circular tube; 102. a concave base; 103. a circular hole; 2. a bushing seat; 201. bolt holes; 202. a notch; 203. welding the matching surface; 204. a bushing mounting hole; 3. tightening the bolt; 4. a spring pad; 5. an eccentric rubber bushing; 501. an outer iron ring; 502. an inner iron ring; 503. a rubber ring; 6. adjusting the bolt; 601. a first smooth cylindrical surface; 602. rolling a pattern surface; 603. a second smooth cylindrical surface; 604. an external thread surface; 7. a bushing; 8. locking the nut; 9. a hydraulic cylinder; 10. connecting blocks; 11. a mobile box; 12. a first motor; 13. rotating the rod; 14. a rotating box; 15. a second motor; 16. a bidirectional threaded rod; 17. a clamping block; 18. and a third motor.

Detailed Description

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, wherein fig. 1 is a front sectional structural view of a tie rod adjusting toe-in structure of a steering axle according to the present invention; FIG. 2 is an assembly view of a hydraulic cylinder, a connecting block, a moving box, a first motor, a rotating rod, a rotating box, a second motor, a bidirectional threaded rod, a sliding rod, a clamping block, a rectangular through opening and an annular through opening in the utility model;

FIG. 3 is a schematic view of an adjusting bolt according to the present invention; FIG. 4 is an assembly view of a bushing seat, bolt holes, notches, welded mating surfaces, bushing mounting holes, clamping bolts, spring washers, motor III, short gears and long gears in accordance with the present invention; FIG. 5 is a schematic structural view of a track rod according to the present invention; fig. 6 is a schematic structural view of the eccentric rubber bushing of the present invention. The steering axle tie rod adjusting toe-in structure comprises a tie rod 1, wherein an assembling mechanism and four adjusting mechanisms are arranged on the tie rod 1; the assembling mechanism comprises a circular tube 101, two concave bases 102, four circular holes 103 and two toe-in mechanisms, wherein the two concave bases 102 are respectively and fixedly installed at two ends of the circular tube 101, the four circular holes 103 are respectively arranged on the corresponding concave bases 102, the toe-in mechanism comprises a lining seat 2, a bolt hole 201, a lining mounting hole 204, a tightening bolt 3, an elastic cushion 4, an eccentric rubber lining 5, an adjusting bolt 6, two linings 7 and a locking nut 8, the lining seat 2 is arranged on the concave bases 102, the bolt hole 201 is arranged on the outer wall of one side of the lining seat 2, the lining mounting hole 204 is arranged at the top of the lining seat 2, the tightening bolt 3 is arranged on the bolt hole 201 in a threaded manner, the elastic cushion 4 is sleeved on the tightening bolt 3 in a sliding manner, the eccentric rubber lining 5 is arranged in the lining mounting hole 204, the adjusting bolt 6 penetrates through the two bolt holes 201, the two bushings 7 are arranged in the corresponding bolt holes 201, the inner walls of the bushings 7 are in contact with the adjusting bolt 6, and the locking nut 8 is installed at the bottom end of the adjusting bolt 6 in a threaded mode;

the adjusting mechanism comprises a hydraulic cylinder 9, a connecting block 10, a moving box 11, a first motor 12, a rotating rod 13, a rotating box 14, a second motor 15, a two-way threaded rod 16 and two clamping blocks 17, the hydraulic cylinder 9 is fixedly mounted on a round pipe 101, the connecting block 10 is fixedly mounted on an output shaft of the hydraulic cylinder 9, the moving box 11 is fixedly mounted on an outer wall of one side of the connecting block 10, the first motor 12 is fixedly mounted on an inner wall of the bottom of the moving box 11, the rotating rod 13 is fixedly mounted on an output shaft of the first motor 12, the rotating box 14 is fixedly mounted on the top end of the rotating rod 13, the second motor 15 is fixedly mounted on an outer wall of one side of the rotating box 14, the two-way threaded rod 16 is fixedly mounted on an output shaft of the second motor 15, the two-way threaded rod 16 extends into the rotating box 14 and is rotatably connected with the rotating box 14, and the two clamping blocks 17 are all threadedly mounted on the two-way threaded rod 16, the top of the clamp block 17 extends out of the movable box 11.

As shown in fig. 4, a notch 202 is formed in an outer wall of one side of the bushing seat 2, a welding matching surface 203 is arranged on the bushing seat 2, a third motor 18 is fixedly installed on an outer wall of one side of the bushing seat 2, a long gear is fixedly installed on an output shaft of the third motor 18, a short gear is fixedly installed on the tightening bolt 3, and the short gear is meshed with the long gear;

through the mutual cooperation of the notch 202, the welding matching surface 203, the third motor 18, the long gear and the short gear, the rotation of the clamping bolt 3 can be controlled through the third motor 18, and the phenomenon that the eccentric rubber bushing 5 cannot be fixed due to the fact that the clamping bolt 3 cannot rotate is avoided.

As shown in fig. 1 and 6, the eccentric rubber bushing 5 includes an outer iron ring 501, an outer wall of the outer iron ring 501 is in contact with an inner wall of the bushing seat mounting hole 204, the eccentric rubber bushing 5 includes an inner iron ring 502, a rubber ring 503 is fixedly mounted on an outer wall of the inner iron ring 502, and an outer wall of the rubber ring 503 is in contact with an inner wall of the outer iron ring 501;

through the mutual cooperation of outer iron ring 501, interior iron ring 502 and rubber ring 503, form and to alleviate the vibration through rubber ring 503, avoided the too big wearing and tearing that cause relevant device of vibration amplitude.

As shown in fig. 1 and 3, a first smooth cylindrical surface 601 is provided on the adjusting bolt 6, the first smooth cylindrical surface 601 contacts with a corresponding bushing 7, a knurled surface 602 is provided on the adjusting bolt 6, the knurled surface 602 contacts with an inner wall of the inner iron ring 502, a second smooth cylindrical surface 603 is provided on the adjusting bolt 6, the second smooth cylindrical surface 603 contacts with a corresponding bushing 7, an external thread surface 604 is provided on the adjusting bolt 6, and the external thread surface 604 is in threaded connection with the lock nut 8;

through the mutual cooperation of first smooth cylindrical surface 601, knurling face 602, second smooth cylindrical surface 603 and external screw thread face 604, the formation can realize different functions through the different surfaces on adjusting bolt 6, has avoided adjusting bolt 6 to realize corresponding function and has leaded to unable normal work.

As shown in fig. 2, the same sliding rod is fixedly installed on the inner walls of the two sides of the rotating box 14, and the sliding rod is connected with the two clamping blocks 17 in a sliding manner;

through the mutual cooperation of slide bar and clamp splice 17, form and can provide the holding power when clamp splice 17 removes through the slide bar, avoided clamp splice 17 to take place the slope in the removal process and lead to unable normal work.

As shown in fig. 2, the top of the moving box 11 is provided with an annular through hole, and the top of the rotating box 14 is provided with two rectangular through holes;

through annular opening and the mutual cooperation of rectangle opening, the formation can make clamp splice 17 free motion on removal case 11 and rotation case 14, has avoided clamp splice 17 to be restricted to remove the interval and lead to unable normal work.

The working principle of the toe-in adjusting structure of the steering axle tie rod provided by the utility model is as follows:

the first step is as follows: when assembling is required, firstly, the eccentric rubber bushing 5 is pressed into the bushing mounting hole 204, then the motor three 18 is started, the motor three 18 drives the long gear to rotate, the long gear drives the short gear to rotate, the short gear drives the tightening bolt 3 to rotate, the eccentric rubber bushing 5 of the tightening bolt 3 is fixed in the bushing mounting hole 204, then the bushing seat 2 is placed in the concave base 102, the inner iron ring 502 is aligned with the two round holes 103 on the concave base 102, then the bushing 7 is pressed into the corresponding round holes 103, then the adjusting bolt 6 passes through the bushing 7 and the inner iron ring 502, at the moment, the first smooth cylindrical surface 601 and the second smooth cylindrical surface 603 of the adjusting bolt 6 are respectively contacted with the corresponding bushing 7, the knurled surface 602 is in interference fit with the eccentric rubber bushing 5, the eccentric rubber bushing 5 can be driven to rotate by rotating the adjusting bolt 6, the external thread surface 604 is in threaded connection with the locking nut 8 for fixing the adjusting bolt 6, completing the assembly work;

the second step is as follows: when the toe-in needs to be adjusted, firstly, the third motor 18 is started to drive the long gear to rotate reversely, the long gear drives the short gear to rotate, the short gear drives the tightening bolt 3 to rotate reversely, at the same time, the tightening bolt 3 loses the binding effect on the eccentric rubber bush 5, then the hydraulic cylinder 9 is started to drive the connecting block 10 to move, the connecting block 10 drives the moving box 11 to move until the clamping block 17 touches the concave base 102, then the second motor 15 is started, the second motor 15 drives the bidirectional threaded rod 16 to rotate, the bidirectional threaded rod 16 drives the two clamping blocks 17 to approach each other until the two clamping blocks 17 clamp the locking nut 8, the operation is repeated, the corresponding two clamping blocks 17 clamp the adjusting bolt 6, then the first motor 12 is started to drive the rotating rod 13 to rotate, the rotating rod 13 drives the rotating box 14 to rotate, the rotating box 14 drives the two clamping blocks 17 to rotate, the clamping blocks 17 drives the locking nut 8 to rotate until the locking nut 8 loses the binding force on the adjusting bolt 6, then, the operation is continuously repeated, the corresponding clamping block 17 drives the adjusting bolt 6 to rotate, the adjusting bolt 6 drives the eccentric rubber bushing 5 to rotate through the knurled surface 602, the length of the pull rod is changed correspondingly due to the fact that the eccentric rubber bushing 5 has an eccentric amount, and therefore the toe-in value is changed, and after toe-in adjustment is completed, fixing work is completed through reverse operation.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described and clear, and on the premise that the skilled person understands the principle of the utility model, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

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, or a direct or indirect use of these embodiments, without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents, as used in the related art, and all of which are intended to be encompassed by the present invention.

Claims

1. A structure for adjusting toe-in of a tie rod of a steering axle, comprising:

the transverse pull rod is provided with an assembling mechanism and four adjusting mechanisms;

the assembling mechanism comprises a round pipe, two concave bases, four round holes and two toe-in mechanisms, wherein the two concave bases are fixedly arranged at two ends of the round pipe respectively, the four round holes are formed in the corresponding concave bases respectively, the toe-in mechanism comprises a lining seat, bolt holes, a lining mounting hole, a tightening bolt, an elastic cushion, an eccentric rubber lining, an adjusting bolt, two lining sleeves and a locking nut, the lining seat is arranged on the concave bases, the bolt holes are formed in the outer wall of one side of the lining seat, the lining mounting hole is formed in the top of the lining seat, the tightening bolt is arranged on the bolt holes in a threaded mode, the elastic cushion is sleeved on the tightening bolt in a sliding mode, the eccentric rubber lining sleeves are arranged in the lining mounting holes, the adjusting bolt penetrates through the two bolt holes, the two lining sleeves are arranged in the corresponding bolt holes, and the inner walls of the lining sleeves are in contact with the adjusting bolt, the locking nut is installed at the bottom end of the adjusting bolt in a threaded mode;

2. The steer axle tie rod adjusting toe-in structure according to claim 1, wherein: the outer wall of one side of the bushing seat is provided with a notch, the bushing seat is provided with a welding matching surface, the outer wall of one side of the bushing seat is fixedly provided with a third motor, an output shaft of the third motor is fixedly provided with a long gear, the tightening bolt is fixedly provided with a short gear, and the short gear is meshed with the long gear.

3. The steer axle tie rod adjusting toe-in structure according to claim 1, wherein: eccentric rubber bush includes outer iron ring, the outer wall of outer iron ring contacts with the inner wall of bushing seat mounting hole, eccentric rubber bush includes interior iron ring, the outer wall fixed mounting of interior iron ring has the rubber ring, the outer wall of rubber ring contacts with the inner wall of outer iron ring.

4. The steer axle tie rod adjusting toe-in structure according to claim 1, wherein: the adjusting bolt is provided with a first smooth cylindrical surface, the first smooth cylindrical surface is in contact with a corresponding lining, the adjusting bolt is provided with a knurled surface, the knurled surface is in contact with the inner wall of the inner iron ring, the adjusting bolt is provided with a second smooth cylindrical surface, the second smooth cylindrical surface is in contact with a corresponding lining, the adjusting bolt is provided with an external thread surface, and the external thread surface is in threaded connection with the locking nut.

5. The steer axle tie rod adjusting toe-in structure according to claim 1, wherein: the inner walls of the two sides of the rotating box are fixedly provided with the same sliding rod, and the sliding rod is connected with the two clamping blocks in a sliding mode.

6. The steer axle tie rod adjusting toe-in structure according to claim 1, wherein: the top of removal case has seted up annular opening, two rectangle openings have been seted up at the top of rotation case.