CN219237166U - Independent suspension of large mining truck and steering mechanism matched with independent suspension - Google Patents
Independent suspension of large mining truck and steering mechanism matched with independent suspension Download PDFInfo
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- CN219237166U CN219237166U CN202223326985.6U CN202223326985U CN219237166U CN 219237166 U CN219237166 U CN 219237166U CN 202223326985 U CN202223326985 U CN 202223326985U CN 219237166 U CN219237166 U CN 219237166U
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Abstract
The utility model discloses a steering mechanism matched with an independent suspension, which comprises: the steering device comprises a steering support, a steering crank, a steering arm, double-acting steering cylinders and steering tie rods, wherein the two double-acting steering cylinders are respectively positioned at two sides of the steering crank; the two steering arms are respectively positioned at the outer sides of the double-acting steering cylinder and the steering tie rod, and the piston rod of the double-acting steering cylinder and the other end of the steering tie rod are hinged at the front ends of the steering arms. The utility model also discloses an independent suspension of the large mining truck. The steering mechanism can meet the Ackerman relation, is matched with the independent suspension of the large mining truck, and has the advantages of reliable structure, excellent stress and ingenious connection.
Description
Technical Field
The utility model belongs to the field of off-highway mining dumpers, and particularly relates to an independent suspension of a large mining dumper and a steering mechanism matched with the independent suspension.
Background
The steering mechanism is an important component part of the chassis part of the mining vehicle, and good steering mechanism is beneficial to the smoothness and the operation stability of the whole vehicle running of the mining vehicle. From the basic aspect, the steering mechanism is used for converting signals output by the steering gear into acting forces of the steering cylinder to drive the steering arm and the steering knuckle, so that wheels are driven, and the purpose of steering the vehicle is achieved. Furthermore, the steering mechanism needs to meet the Ackerman corner relation, so that the steering characteristic is more in line with an ideal state, the abrasion of tires is reduced, and the service life of the mining vehicle is prolonged.
In the prior art, aiming at the off-highway mining vehicle with the non-independent suspension, an integral front axle is mostly used, and a steering mechanism is also in an integral form.
Chinese publication No. CN109572809a discloses a three-bar steering mechanism for a mining dump truck, which has reliable and durable structure. However, this structure is not suitable for a mining dump truck having unequal amounts of bounce of both wheels that matches an independent suspension.
Disclosure of Invention
The utility model aims to provide a large mining truck steering mechanism matched with an independent suspension, which can meet the Ackerman relation, and has the advantages of reliable structure, excellent stress and ingenious connection.
The technical proposal is as follows:
large-scale mining truck steering mechanism of matching independent suspension includes: the steering device comprises a steering support, a steering crank, a steering arm, double-acting steering cylinders and a steering tie rod, wherein the two pairs of double-acting steering cylinders and the steering tie rod are respectively positioned at two sides of the steering crank; the two steering arms are respectively positioned at the outer sides of the double-acting steering cylinder and the steering tie rod, and the piston rod of the double-acting steering cylinder and the other end of the steering tie rod are hinged at the front ends of the steering arms.
Furthermore, fork heads are arranged at both ends of the tie rod and the end parts of the piston rod of the double-acting steering cylinder, a slot is arranged at the top of each fork head, an elastic hole is arranged on the side wall of each fork head, an adjusting bolt is arranged in each elastic hole, and an adjusting nut is arranged on each adjusting bolt; the front end of the fork head is provided with a fork head shaft hole, the rear end of the fork head is provided with a fork head threaded hole, the slotting is communicated with the fork head threaded hole, the fork head threaded hole is in threaded connection with the front end of a reinforcing rod, and the rear end of the reinforcing rod is used for being connected with the end parts of the tie rod and the piston rod.
Further, a steering cylinder mounting seat hole and a tie rod mounting seat hole are formed in the front end of the steering arm, bearings are respectively arranged in the steering cylinder mounting seat hole and the tie rod mounting seat hole, and after the fork head shaft holes are aligned with the steering cylinder mounting seat hole and the tie rod mounting seat hole respectively, step pins are arranged on the fork head shaft holes and the bearings in a penetrating manner to hinge the fork head and the steering arm; the steering arm rear end is provided with first mounting panel, second mounting panel, and first mounting panel, second mounting panel mutually perpendicular are provided with a plurality of mounting panel through-holes respectively.
Further, the transverse pull rod mounting seat hole is positioned between the two fork head shaft holes, plug thread blind holes are respectively formed in two sides of each fork head shaft hole, pin grooves are formed in the ends of the step pins, pressing plates are arranged in the pin grooves, pressing plate through holes are formed in two sides of each pressing plate, and pin fixing screws penetrate through the pressing plate through holes and are connected in the plug thread blind holes to fix the step pins.
Further, the side walls of the rear ends of the first mounting plate and the second mounting plate are respectively provided with a first reinforcing key slot; the rear end of the steering shaft is longitudinally provided with a steering shaft hole, and the outer wall of the rear end is respectively provided with a second reinforcing key groove and a plurality of steering shaft threaded holes on two mutually perpendicular mounting surfaces; the first mounting plate and the second mounting plate are respectively attached to the two mounting surfaces, reinforcing keys are arranged in the first reinforcing key groove and the second reinforcing key groove, and the steering arm connecting bolts penetrate through the mounting plate through holes to be connected to the steering shaft threaded holes so as to connect the steering arm to the steering shaft.
Furthermore, the lower part of the steering arm is also provided with concave avoidance of the casting.
Further, the steering support includes: the side part of the bidirectional connecting fork is connected above the front part of the support base body, and the side part of the lower base body is connected below the front part of the support base body; the two sides of the bidirectional connecting fork are respectively provided with a connecting fork, and the connecting fork is provided with a side shaft hole; the middle part of the bidirectional connecting fork is provided with a first crank pin hole, and the lower base body is provided with a second crank pin hole; the rear end of the double-acting steering cylinder is provided with a steering cylinder pin hole, the steering cylinder pin hole is positioned between two side shaft holes of the connecting fork, and a mounting pin is arranged on the side shaft holes and the steering cylinder pin hole in a penetrating way, so that the rear end of the double-acting steering cylinder is hinged with the connecting fork; the rear end of the steering crank is provided with a crank body pin hole, the crank body pin hole is positioned between the first crank pin hole and the second crank pin hole, and the crank pin is arranged on the crank body pin hole, the first crank pin hole and the second crank pin hole in a penetrating mode.
Further, a first positioning notch is formed in the middle of the crank pin, a lock pin hole is formed in the outer wall of the crank body pin hole, and the lock pin penetrates through the lock pin hole and the first positioning notch; the side part of the lock pin is provided with a lock pin inclined plane and a lock pin plane, the lock pin inclined plane is attached to the bottom surface of the first positioning notch, and the front end of the lock pin is provided with an external thread and a self-locking nut.
Further, the top of support base member is equipped with the strengthening rib, and support base member, two-way connection fork are connected respectively to the strengthening rib, are provided with the strengthening rib between support base member, the lower part of two-way connection fork and between support base member, the lower part base member.
Further, the two connecting forks of the two-way connecting fork are horizontally opposite, and the inclined plane of the lock pin and the axis form an included angle of 3-6 degrees.
The technical effects of the utility model include:
1. the utility model satisfies the Ackerman relation, matches the independent suspension, and has the advantages of reliable structure, excellent stress and ingenious connection.
The utility model avoids the interference problem of the steering mechanism and the double cross arms of the independent suspension, has ingenious arrangement of the connecting parts of related structures, and has the advantages of reliable structure and excellent stress.
2. The design structure of the related connection part is simple, the disassembly and the assembly are convenient, and the maintenance is convenient;
3. the related structure is more suitable for matching with an independent suspension, and the steering characteristic is better;
4. the structure has high overall practicability, strong operability and easy realization.
Drawings
FIG. 1 is a schematic view of the overall construction of a steering mechanism of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at I;
FIG. 3 is a schematic view of the steering arm of the present utility model;
FIG. 4 is a schematic illustration of the connection of the steering arm to the steering shaft in the present utility model;
FIG. 5 is a schematic elevational view of the steering support of the present utility model;
FIG. 6 is a schematic view of the back structure of the steering support of the present utility model;
FIG. 7 is a schematic view of the bottom structure of the steering support of the present utility model;
FIG. 8 is a schematic side view of a steering support in accordance with the present utility model;
FIG. 9 is a schematic view of the articulation of the steering mount, steering crank, locking pin of the present utility model;
FIG. 10 is a cross-sectional view of the steering mount, steering crank, and lock pin joint of the present utility model;
FIG. 11 is a schematic view of the structure of the crank pin of the present utility model;
fig. 12 is a schematic view of the structure of the lock pin of the present utility model.
Detailed Description
The following description fully illustrates the specific embodiments of the utility model to enable those skilled in the art to practice and reproduce it.
As shown in fig. 1, is a schematic view of the overall structure of the steering mechanism of the present utility model.
The large-scale mining truck independent suspension includes: the steering mechanism, the frame ring beam 7, the steering shaft 8 and the cross arm 9 are respectively arranged on the frame ring beam 7.
The rear ends of the two steering arms 3 are respectively connected with steering shafts 8 on two sides of the frame ring beam 7, the front ends of the two cross arms 9 are respectively hinged with the steering shafts 8 on two sides of the frame ring beam 7, and the rear ends of the two cross arms 9 are respectively hinged on two sides of the frame ring beam 7.
The rear end of the steering shaft 8 is longitudinally provided with a steering shaft hole 81, and the steering shaft hole 81 is provided with a main pin shaft 82; the cross arm 9 includes: the front ends of the upper cross arm and the lower cross arm are respectively positioned at the upper side and the lower side of the steering arm 3, the front ends of the upper cross arm and the lower cross arm are respectively hinged with the main pin shaft 82, and the rear ends of the upper cross arm and the lower cross arm are respectively hinged with the frame ring beam 7.
The upper portion of the frame rail 7 is provided with a transverse tie rod 71, and a shock absorbing rod 72 is connected between the end of the transverse tie rod 71 and the upper end of the kingpin 82. Not only can the jounce transferred by the steering shaft 8 be resolved by the transverse tie rod 71 and the shock absorbing rod 72, but also the requirement of large load can be met.
Steering mechanism for matching independent suspensions, comprising: a steering support 1, a steering crank 2, a steering arm 3, a double-acting steering cylinder 4 and a steering tie rod 5. The steering support 1 is fixedly connected to the middle part of the front end of the frame ring beam 7, the two double-acting steering cylinders 4 are respectively positioned at two sides of the steering crank 2, the steering crank 2 and the rear ends of the double-acting steering cylinders 4 are hinged to the steering support 1, and one ends of the two steering tie rods 5 are respectively hinged to two sides of the front end of the steering crank 2; the two steering arms 3 are respectively positioned at the outer sides of the double-acting steering cylinder 4 and the steering tie rod 5, and the piston rod of the double-acting steering cylinder 4 and the other end of the steering tie rod 5 are hinged at the front end of the steering arms 3.
As shown in fig. 2, is an enlarged view at I in fig. 1.
Fork heads 6 are arranged at both ends of the tie rod 5 and the end parts of the piston rods of the double-acting steering cylinder 4.
The top of the fork head 6 is provided with a slot 61, the side wall is provided with a loosening hole 62, the loosening hole 62 is provided with an adjusting bolt 63, and the adjusting bolt 63 is provided with an adjusting nut 64; the front end of fork head 6 is provided with fork head shaft hole 67, and the rear end is provided with fork head screw hole 65, and fluting 61 intercommunication fork head screw hole 65, fork head screw hole 65 threaded connection stiffener 66's front end, stiffener 66 rear end are used for connecting tie rod 5, the tip of piston rod respectively.
After the reinforcing rod 66 is in threaded connection with the fork head threaded hole 65, the adjusting bolt 63 passes through the elastic hole 62 to be connected with the adjusting nut 64, after the adjusting nut 64 is screwed, the fork head threaded hole 65 is in threaded fixation with the reinforcing rod 66, so that the connection strength of the fork head threaded hole 65 and the reinforcing rod 66 is enhanced, the assembly is facilitated, the loosening caused by lack of pretightening force in the working thread is prevented, the steering trapezoidal relation is changed, and the steering characteristic is bad.
As shown in fig. 3, a schematic structural view of the steering arm 3 in the present utility model; fig. 4 is a schematic diagram showing the connection between the steering arm 3 and the steering shaft 8 according to the present utility model.
The front end of the steering arm 3 is provided with a steering cylinder mounting seat hole 31 and a tie rod mounting seat hole 32, bearings are respectively arranged in the steering cylinder mounting seat hole 31 and the tie rod mounting seat hole 32, and after the fork head shaft hole 67 is aligned with the steering cylinder mounting seat hole 31 and the tie rod mounting seat hole 32 respectively, the ladder pin 33 is arranged on the fork head shaft hole 67 and the bearings in a penetrating way to hinge the fork head 6 with the steering arm 3, so that the tie rod 5 and the double-acting steering cylinder 4 are respectively hinged at the front end of the steering arm 3 to form a steering trapezoid.
The tie rod mount pad hole 32 is located between two fork axle holes 67, and fork axle hole 67 both sides are provided with plug screw thread blind hole 68 respectively, and step pin 33 tip is provided with the keyway 34, is provided with clamp plate 35 in the keyway 34, and clamp plate 35 both sides are provided with the clamp plate through-hole, and the round pin set screw passes the clamp plate through-hole and connects in plug screw thread blind hole 68, fixes step pin 33.
The rear end of the steering arm 3 is provided with a first mounting plate 37 and a second mounting plate 38, the first mounting plate 37 and the second mounting plate 38 are mutually perpendicular, the first mounting plate 37 and the second mounting plate 38 are respectively provided with a plurality of mounting plate through holes, and the side walls of the rear ends of the first mounting plate 37 and the second mounting plate 38 are respectively provided with a first reinforcing key slot; the rear end of the steering shaft 8 is longitudinally provided with a steering shaft hole 81, and the outer wall of the rear end is respectively provided with a second reinforcing key groove and a plurality of steering shaft threaded holes on two mutually perpendicular mounting surfaces; the first mounting plate 37 and the second mounting plate 38 are respectively attached to the two mounting surfaces, the reinforcing key 36 is mounted in the first reinforcing key groove and the second reinforcing key groove, and the steering arm connecting bolt 39 is connected to the steering shaft screw hole through the mounting plate through hole to connect the steering arm 3 to the steering shaft 8.
The reinforcing key 36 realizes circumferential fixation of the steering arm 3 to transmit torque, bear transverse force during movement, and relieve the stress of the steering arm connecting bolt 39.
The lower part of the steering arm 3 is also provided with a concave avoidance 30 of the casting, and the concave avoidance 30 can avoid the interference between the movable suspension and the steering arm 3 under the condition of not affecting the strength of structural members.
As shown in fig. 5, a schematic front view of the steering support 1 according to the present utility model is shown; as shown in fig. 6, a schematic view of the back structure of the steering support 1 of the present utility model is shown; as shown in fig. 7, a schematic view of the bottom structure of the steering support 1 of the present utility model is shown; as shown in fig. 8, a schematic side view of the steering support 1 according to the present utility model is shown.
The steering support 1 includes: the support base body 11, the bidirectional connecting fork 12 and the lower base body 13, wherein the side part of the bidirectional connecting fork 12 is connected above the front part of the support base body 11, and the side part of the lower base body 13 is connected below the front part of the support base body 11; the two sides of the bidirectional connecting fork 12 are respectively provided with a connecting fork 14, and the connecting fork 14 is provided with a side shaft hole 15; the middle part of the bidirectional connecting fork 12 is provided with a first crank pin hole 16, the lower base body 13 is provided with a second crank pin hole 17, and the first crank pin hole 16 and the second crank pin hole 17 are positioned on the same axis.
The top of the support base 11 is provided with three reinforcing ribs 111, and the reinforcing ribs 111 are respectively connected with the support base 11 and the bidirectional connecting fork 12 to strengthen the connection strength of the support base 11 and the bidirectional connecting fork 12 so as to bear high-pressure thrust and pressure from the double-acting steering cylinder 4. The reinforcing ribs 112 are arranged between the lower parts of the support base 11 and the bidirectional connecting fork 12 and between the support base 11 and the lower base 13, and the reinforcing ribs 111 and the reinforcing ribs 112 improve the strength and rigidity of the whole steering support 1.
The back of the steering support 1 is provided with a plurality of avoiding openings 113 for avoiding the frame ring beam 7, so as to avoid welding beads of the frame ring beam 7, avoid crossing of the welding beads and improve welding manufacturability; the front part of the steering support 1 is provided with a weight-reducing concave 18 to optimize the whole structure.
The rear end of the double-acting steering cylinder 4 is provided with a steering cylinder pin hole, the steering cylinder pin hole is positioned between two side shaft holes 15 of the connecting fork 14 and aligned, and a mounting pin is arranged on the side shaft holes 15 and the steering cylinder pin hole in a penetrating way, so that the rear end of the double-acting steering cylinder 4 is hinged with the connecting fork 14. The two connecting forks 14 of the bidirectional connecting fork 12 are horizontally opposite, and when the steering cylinder 11 is installed, the installation pins are horizontally inserted so as to be beneficial to matching the jumping amount of wheels on two sides.
As shown in fig. 9, the utility model is a schematic view of the hinge joint of the steering support 1, the steering crank 2 and the lock pin 19; as shown in fig. 10, a cross-sectional view of the joint of the steering support 1, the steering crank 2 and the lock pin 19 of the present utility model is shown; as shown in fig. 11, a crank pin 22 according to the present utility model is schematically shown.
The rear ends of the steering crank 2 and the double-acting steering cylinder 4 are hinged on the steering support 1
The rear end of the steering crank 2 is provided with a crank body pin hole 21, the crank body pin hole 21 is positioned between the first crank pin hole 16 and the second crank pin hole 17 and aligned, and a crank pin 22 is arranged on the crank body pin hole 21, the first crank pin hole 16 and the second crank pin hole 17 in a penetrating manner.
The middle part of the crank pin 22 is provided with a first positioning notch 23, and the outer wall of the crank body pin hole 21 is provided with a lock pin hole; after the crank pin 22 is inserted into the first crank pin hole 16, the crank body pin hole 21, and the second crank pin hole 17, the lock pin 24 is inserted into the lock pin hole and the first positioning notch 23.
The two ends of the crank pin 22 are respectively provided with an end cover 24 and a sealing cover 25, and the end cover 24 and the sealing cover 25 are connected to the end face of the first crank pin hole by bolts.
As shown in fig. 12, a schematic view of the structure of the lock pin 26 of the present utility model is shown.
The side of the lock pin 26 is provided with a lock pin inclined plane 27 and a lock pin plane 28, the lock pin inclined plane forms an included angle of 3-6 degrees, preferably 5 degrees with the axis, the lock pin plane is parallel with the axis, and the front end of the lock pin 26 is provided with an external thread and a self-locking nut 29.
After the lock pin 26 is inserted into the lock pin hole and the first positioning notch 23, the lock pin inclined surface 27 is attached to the bottom surface of the first positioning notch 23, and is fastened by the self-locking nut 29, so that the lock pin 26 generates pretightening force to generate positioning action, and the relative positions of the crank pin 22 and the steering crank 2 can be fixed, so that the steering crank 2 drives the crank pin 22 to rotate in the first crank pin hole 16 and the second crank pin hole 17.
The steering arm 3 is arranged on the steering shaft 8 through a steering arm connecting bolt 39 and a reinforcing key 36, the steering support 1 is welded on the frame ring beam 7, the steering crank 2 is hinged on the steering support 1 through the combined action of the crank pin 22 and the lock pin 26, and the steering crank 2, the double-acting steering cylinder 4 and the steering tie rod 5 are mutually hinged to form a large mining truck steering mechanism which meets the Ackerman relation and is matched with an independent suspension.
The terminology used herein is for the purpose of description and illustration only and is not intended to be limiting. As the present utility model may be embodied in several forms without departing from the spirit or essential attributes thereof, it should be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalences of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A steering mechanism for mating with an independent suspension, comprising: the steering device comprises a steering support, a steering crank, a steering arm, double-acting steering cylinders and a steering tie rod, wherein the two pairs of double-acting steering cylinders and the steering tie rod are respectively positioned at two sides of the steering crank; the two steering arms are respectively positioned at the outer sides of the double-acting steering cylinder and the steering tie rod, and the piston rod of the double-acting steering cylinder and the other end of the steering tie rod are hinged at the front ends of the steering arms.
2. The steering mechanism for matching an independent suspension according to claim 1, wherein fork heads are mounted at both ends of the tie rod and at the end portions of the piston rods of the double-acting steering cylinders, a slot is arranged at the top of each fork head, a tightening hole is arranged on the side wall, an adjusting bolt is arranged on each tightening hole, and an adjusting nut is mounted on each adjusting bolt; the front end of the fork head is provided with a fork head shaft hole, the rear end of the fork head is provided with a fork head threaded hole, the slotting is communicated with the fork head threaded hole, the fork head threaded hole is in threaded connection with the front end of a reinforcing rod, and the rear end of the reinforcing rod is used for being connected with the end parts of the tie rod and the piston rod.
3. The steering mechanism for matching an independent suspension according to claim 2, wherein the front end of the steering arm is provided with a steering cylinder mounting seat hole and a tie rod mounting seat hole, bearings are respectively arranged in the steering cylinder mounting seat hole and the tie rod mounting seat hole, the tie rod mounting seat hole is positioned between two fork head shaft holes, and after the fork head shaft holes are respectively aligned with the steering cylinder mounting seat hole and the tie rod mounting seat hole, a step pin is arranged on the fork head shaft hole and the bearings in a penetrating manner to hinge the fork head and the steering arm.
4. A steering mechanism for a matched independent suspension according to claim 3, wherein plug threaded blind holes are respectively formed in two sides of the fork head shaft hole, pin grooves are formed in the ends of the step pins, pressing plates are arranged in the pin grooves, pressing plate through holes are formed in two sides of the pressing plates, and pin fixing screws penetrate through the pressing plate through holes and are connected in the plug threaded blind holes to fix the step pins.
5. The steering mechanism for a matched independent suspension of claim 1, wherein the steering support comprises: the side part of the bidirectional connecting fork is connected above the front part of the support base body, and the side part of the lower base body is connected below the front part of the support base body; the two sides of the bidirectional connecting fork are respectively provided with a connecting fork, and the connecting fork is provided with a side shaft hole; the middle part of the bidirectional connecting fork is provided with a first crank pin hole, and the lower base body is provided with a second crank pin hole; the rear end of the double-acting steering cylinder is provided with a steering cylinder pin hole, the steering cylinder pin hole is positioned between two side shaft holes of the connecting fork, and a mounting pin is arranged on the side shaft holes and the steering cylinder pin hole in a penetrating way, so that the rear end of the double-acting steering cylinder is hinged with the connecting fork; the rear end of the steering crank is provided with a crank body pin hole, the crank body pin hole is positioned between the first crank pin hole and the second crank pin hole, and the crank pin is arranged on the crank body pin hole, the first crank pin hole and the second crank pin hole in a penetrating mode.
6. The steering mechanism for the matched independent suspension according to claim 5, wherein a first positioning notch is formed in the middle of the crank pin, a lock pin hole is formed in the outer wall of the crank body pin hole, and the lock pin is arranged in the lock pin hole and the first positioning notch in a penetrating manner; the side part of the lock pin is provided with a lock pin inclined plane and a lock pin plane, the lock pin inclined plane is attached to the bottom surface of the first positioning notch, and the front end of the lock pin is provided with an external thread and a self-locking nut.
7. The steering mechanism for a matched independent suspension according to claim 5, wherein the top of the support base is provided with a reinforcing rib, the reinforcing rib is respectively connected with the support base and the bidirectional connecting fork, and reinforcing ribs are arranged between the lower parts of the support base and the bidirectional connecting fork and between the support base and the lower base.
8. The steering mechanism for matching an independent suspension according to claim 5, wherein the two connecting forks of the bidirectional connecting fork are horizontally opposite, the inclined plane of the lock pin and the axis form an included angle of 3-6 degrees, and the lower part of the steering arm is also provided with concave avoidance of the casting.
9. A large mining truck independent suspension employing the steering mechanism of the matched independent suspension of any one of claims 1 to 8, further comprising: the rear end of the steering shaft is longitudinally provided with a steering shaft hole, and the steering shaft hole is provided with a main pin shaft; the rear ends of the two cross arms are respectively hinged to two sides of the frame ring beam, and the cross arms comprise: the front ends of the upper cross arm and the lower cross arm are respectively positioned at the upper side and the lower side of the steering arm, the front ends of the upper cross arm and the lower cross arm are respectively hinged with the main pin shaft, and the rear ends of the upper cross arm and the lower cross arm are respectively hinged with the frame ring beam; a transverse pull rod is arranged at the upper part of the frame ring beam, and a damping rod is connected between the end part of the transverse pull rod and the upper end of the main pin shaft; the rear ends of the two steering arms are respectively connected with steering shafts on two sides of the frame ring beam, and the steering support is fixedly connected with the middle part of the front end of the frame ring beam.
10. The large-scale mining truck independent suspension according to claim 9, wherein the rear end of the steering arm is provided with a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are mutually vertical, and the first mounting plate and the second mounting plate are respectively provided with a plurality of mounting plate through holes; the side walls of the rear ends of the first mounting plate and the second mounting plate are respectively provided with a first reinforcing key slot; the outer wall of the steering shaft is respectively provided with a second reinforcing key groove and a plurality of steering shaft threaded holes on two mutually perpendicular mounting surfaces; the first mounting plate and the second mounting plate are respectively attached to the two mounting surfaces, reinforcing keys are arranged in the first reinforcing key groove and the second reinforcing key groove, and the steering arm connecting bolts penetrate through the mounting plate through holes to be connected to the steering shaft threaded holes so as to connect the steering arm to the steering shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223326985.6U CN219237166U (en) | 2022-12-12 | 2022-12-12 | Independent suspension of large mining truck and steering mechanism matched with independent suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223326985.6U CN219237166U (en) | 2022-12-12 | 2022-12-12 | Independent suspension of large mining truck and steering mechanism matched with independent suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219237166U true CN219237166U (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223326985.6U Active CN219237166U (en) | 2022-12-12 | 2022-12-12 | Independent suspension of large mining truck and steering mechanism matched with independent suspension |
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| Country | Link |
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| CN (1) | CN219237166U (en) |
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- 2022-12-12 CN CN202223326985.6U patent/CN219237166U/en active Active
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