CN217598266U - Front suspension suitable for unmanned mining vehicle - Google Patents
Front suspension suitable for unmanned mining vehicle Download PDFInfo
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- CN217598266U CN217598266U CN202221275373.6U CN202221275373U CN217598266U CN 217598266 U CN217598266 U CN 217598266U CN 202221275373 U CN202221275373 U CN 202221275373U CN 217598266 U CN217598266 U CN 217598266U
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Abstract
The utility model discloses a front suspension suitable for unmanned mining vehicle, include: front axle, frame connecting seat, piston rod assembly, cylinder, uide bushing, the front axle includes: the connecting device comprises an upper fork arm, a lower fork arm and a connecting shaft, wherein the upper fork arm is provided with an upper fork arm through hole, and the lower fork arm is provided with a lower fork arm through hole; the frame connecting seat is provided with first shaft hole, and the piston rod assembly includes: a support section, a rotating shaft section and a piston section; the guide sleeve is axially provided with a second shaft hole, the cylinder barrel is sleeved in the through hole of the lower yoke, the guide sleeve is sleeved in the cylinder barrel, and the cylinder barrel connecting bolt penetrates through the guide sleeve connecting through hole and the cylinder barrel connecting through hole to be connected to the cylinder barrel connecting threaded hole; the rotating shaft section is sleeved on the first shaft hole, the upper portion of the rotating shaft section is sleeved in the through hole of the upper fork arm, the supporting section is sleeved in the second shaft hole, and the piston section is located in the cylinder barrel. The utility model discloses can obviously reduce the focus of frame and whole car, be favorable to arranging in unmanned vehicle carriage, improve vehicle driving safety.
Description
Technical Field
The utility model belongs to the technical field of unmanned mining vehicle, concretely relates to front suspension suitable for unmanned mining vehicle.
Background
The existing unmanned mining vehicle adopts the chassis of the manned mining vehicle for transformation, and still maintains a cab and an operation platform. The existing front suspension cylinder is arranged on a front suspension frame and is positioned between a front shaft and a workshop, the gravity center position of a frame (the front suspension frame is a part of the frame) is higher due to the higher height of the front suspension cylinder, and the gravity centers of the carriage, materials and the whole vehicle are further high, so that the unmanned mining vehicle is not favorable for driving safety.
Publication No. CN112172428A discloses a double-fork arm front suspension of an off-highway mining dump truck, which comprises an upper pull rod, an upper fork arm, a pin, an oil-gas suspension cylinder, a lower fork arm, a bearing seat, a joint bearing and an oil-gas suspension piston rod, wherein the oil-gas suspension cylinder is connected with a truck frame, the upper fork arm and the lower fork arm are hinged and installed on two sides of the oil-gas suspension cylinder, the oil-gas suspension piston rod is connected with the oil-gas suspension cylinder in a sliding manner, and the upper pull rod is hinged with the oil-gas suspension piston rod and the truck frame. The height of the hydro-pneumatic suspension cylinder is positioned at the upper part of the lower fork arm, so that the gravity center of the frame is higher.
The publication number CN205439859U discloses a double-pull-rod McPherson front suspension structure of a mining dump truck, which comprises a cross pull rod, a diagonal pull rod, an oil-gas suspension cylinder barrel and an oil-gas suspension piston rod arranged in the oil-gas suspension cylinder barrel, wherein one end of the cross pull rod is connected with a truck frame through a joint bearing II and a pin shaft assembly II, and the other end of the cross pull rod is connected with the lower end of the oil-gas suspension piston rod through a joint bearing II; one end of the diagonal draw bar is connected with the frame through a joint bearing III and a pin shaft assembly III, and the other end of the diagonal draw bar is connected with the lower end of the piston rod of the oil-gas suspension through a joint bearing; the upper and lower positions of the transverse pull rod and the diagonal pull rod can be adjusted according to actual conditions; the hydro-pneumatic suspension cylinder barrel and the hydro-pneumatic suspension piston rod are connected with the frame through a joint bearing I and a pin shaft assembly I at the upper end of the hydro-pneumatic suspension cylinder barrel. The height of the hydro-pneumatic suspension cylinder barrel is higher than that of a transverse pull rod and a diagonal pull rod, and the gravity center position of the frame is also higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a front suspension and mounting method and the arrangement method suitable for unmanned mining car can obviously reduce the focus of frame and whole car, are favorable to arranging in unmanned vehicle carriage, improve vehicle driving safety.
In order to achieve the above purpose, the utility model uses the technical solution that:
a front suspension suitable for use with an unmanned mining vehicle, comprising: front axle, vehicle frame connecting seat, piston rod assembly, cylinder, uide bushing, the front axle includes: the connecting device comprises an upper fork arm, a lower fork arm and a connecting shaft, wherein the upper fork arm and the lower fork arm are connected to the end part of the connecting shaft; the frame connecting seat is provided with first shaft hole, and the piston rod assembly includes: the support device comprises a support section, a rotating shaft section and a piston section, wherein the rotating shaft section and the piston section are respectively connected to two ends of the support section; the upper end of the cylinder barrel is open, the lower end of the cylinder barrel is closed, a cylinder barrel connecting edge is arranged on the outer wall of the cylinder barrel outside the opening, and a plurality of cylinder barrel connecting through holes are formed in the cylinder barrel connecting edge; the guide sleeve is axially provided with a second shaft hole, the outer wall of the upper part of the guide sleeve is provided with a guide sleeve connecting edge, and the guide sleeve connecting edge is provided with a plurality of guide sleeve connecting through holes; the cylinder barrel is sleeved in the lower fork arm through hole, the guide sleeve is sleeved in the cylinder barrel, the connecting edge of the guide sleeve is pressed on the upper part of the connecting edge of the cylinder barrel, the cylinder barrel connecting bolt penetrates through the guide sleeve connecting through hole and the cylinder barrel connecting through hole to be connected on the cylinder barrel connecting threaded hole, and the lower part of the cylinder barrel extends out of the lower part of the lower fork arm through hole; the rotating shaft section is sleeved on the first shaft hole, the upper portion of the rotating shaft section is sleeved in the through hole of the upper fork arm, the supporting section is sleeved in the second shaft hole, and the piston section is located in the cylinder barrel.
Furthermore, a wear-resistant belt is arranged in the through hole of the upper fork arm, the upper part of the rotating shaft section is sleeved in the wear-resistant belt, and a protective cover is arranged at the upper part of the through hole of the upper fork arm; the periphery of the upper fork arm through hole is provided with a protective cover connecting threaded hole, the lower end of the protective cover is open, the upper end of the protective cover is closed, the protective cover is provided with a protective cover connecting edge on the outer wall of the outer side of the opening, the protective cover connecting edge is provided with a plurality of protective cover connecting through holes, and the protective cover connecting bolt penetrates through the protective cover connecting through holes to be connected to the protective cover connecting threaded hole.
Further, the frame connecting base is provided with a frame connecting edge at the end, the frame connecting edge is provided with a plurality of frame connecting through holes, and the frame connecting through holes are provided with frame connecting screws.
Furthermore, a closed space is formed by the piston section and the inner cavity of the cylinder barrel, and oil-gas mixed liquid is filled in the closed space.
Furthermore, a supporting step is formed at the joint of the supporting section and the rotating shaft section and is positioned at the lower part of the frame connecting seat.
Furthermore, the frame connecting seat is horizontally connected to the frame, and the frame connecting seat and the axis of the front shaft are at the same height position.
The utility model discloses technical effect includes:
in the utility model, the cylinder barrel and the piston rod assembly are arranged on the front axle, the main body of the cylinder barrel is positioned at the lower part of the front axle, and the axes of the frame connecting seat and the front axle are arranged at the same height position; through the improvement of the upper part and the adjustment of the position, the gravity center of the frame and the whole vehicle can be obviously reduced on the basis of ensuring the reliable rotation of the front shaft, the arrangement of a carriage of an unmanned vehicle is facilitated, and the driving safety of the vehicle is improved.
Drawings
Fig. 1 is a cross-sectional view of a front axle 1 according to the present invention;
fig. 2 is a schematic structural diagram of the piston rod assembly 3 in the present invention;
fig. 3 is a schematic structural view of a front suspension suitable for use in the unmanned mining vehicle of the present invention;
fig. 4 isbase:Sub>A schematic sectional view taken along the linebase:Sub>A-base:Sub>A of the front suspension of the utility model for the unmanned mining vehicle;
fig. 5 is a bottom view of fig. 3.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
As shown in fig. 1, the front axle 1 of the present invention is a cross-sectional view.
The front axle 1 includes: the upper fork arm 11 and the lower fork arm 12 are located on the same side, the upper fork arm 11 is located on the upper portion of the lower fork arm 12, the upper fork arm 11 is provided with an upper fork arm through hole 111, and the lower fork arm 12 is provided with a lower fork arm through hole 121. The upper yoke 11 is provided with a shield connection threaded hole at the top at the periphery of the upper yoke through hole 111, and the lower yoke 12 is provided with a cylinder connection threaded hole at the top at the periphery of the lower yoke through hole 121. Wear-resistant belts 6 are arranged in the upper fork arm through holes 111, so that friction between the piston rod assembly 3 and the upper fork arm through holes 111 is reduced.
The frame connecting seat 2 is provided with a frame connecting edge and a first shaft hole, the frame connecting edge is positioned at the end part of the frame connecting seat 2, the frame connecting edge is provided with a plurality of frame connecting through holes, and the frame connecting through holes are provided with frame connecting screws 21. The frame connecting base 2 is connected to the side part of the frame 8 through a frame connecting screw 21.
The frame connecting seat 2 is horizontally connected on the frame 8, and the axes of the frame connecting seat 2 and the front shaft 1 are at the same height position.
Fig. 2 is a schematic structural diagram of the piston rod assembly 3 according to the present invention.
The piston rod assembly 3 includes: support section 31, pivot section 32, piston section 33 are connected respectively at support section 31 both ends, and the external diameter of piston section 33 is greater than the external diameter that supports section 31, and the external diameter that supports section 31 is greater than the external diameter of pivot section 32.
The outer diameter of the supporting section 31 is larger than that of the rotating shaft section 32, so that a supporting step 34 is formed at the joint, and the supporting step 34 is used for limiting the downward movement of the frame connecting seat 2 and preventing the frame connecting seat 2 from rubbing against the guide sleeve 5.
4 upper ends openings of cylinder, the lower extreme seals, and cylinder 4 is provided with the cylinder on the outer wall in the opening outside and connects the limit, and the cylinder is connected the limit and is provided with a plurality of cylinder connect the via hole. The guide sleeve 5 is provided with a second shaft hole in the axial direction, the outer wall of the upper portion is provided with a guide sleeve connecting edge, and the guide sleeve connecting edge is provided with a plurality of guide sleeve connecting through holes. The cylinder connecting through hole and the guide sleeve connecting through hole are provided with cylinder connecting bolts, and the cylinder connecting bolts are connected to the cylinder connecting threaded holes.
7 lower extreme openings of guard shield, the upper end is sealed, and guard shield 7 is provided with the guard shield on the outer wall in the opening outside and connects the limit, and the guard shield is connected the limit and is provided with a plurality of guard shield connect the through-hole, and guard shield connect the through-hole and be provided with guard shield connecting bolt, and guard shield connecting bolt connects on guard shield connect the screw hole. The shroud 7 serves to protect the shaft segment 32 and the upper yoke through hole 111.
As shown in fig. 3, the front suspension of the utility model is suitable for the front suspension of the unmanned mining vehicle; as shown in fig. 4, the cross section of the front suspension of the utility model is schematically shown in the direction ofbase:Sub>A-base:Sub>A; as shown in fig. 5, is a bottom view of fig. 3.
A front suspension suitable for use with an unmanned mining vehicle, comprising: front axle 1, frame connecting seat 2, piston rod assembly 3, cylinder 4, uide bushing 5, wear-resisting area 6, guard shield 7.
A shield connecting bolt penetrates through the shield connecting through hole to be connected to the shield connecting threaded hole, the shield 7 is connected to the upper part of an upper fork arm through hole 111 of the upper fork arm 11, and a wear-resistant belt 6 is arranged in the upper fork arm through hole 111; the cylinder barrel 4 is sleeved in the lower yoke through hole 121, the guide sleeve 5 is sleeved in the cylinder barrel 4, the connecting edge of the guide sleeve is pressed on the upper part of the connecting edge of the cylinder barrel, the cylinder barrel connecting bolt penetrates through the guide sleeve connecting through hole and the cylinder barrel connecting through hole to be connected on the cylinder barrel connecting threaded hole, the guide sleeve 5 and the cylinder barrel 4 are connected at the lower yoke through hole 121 of the lower yoke 12, and the lower part of the cylinder barrel 4 extends to the lower part of the lower yoke through hole 121; a rotating shaft section 32 of the piston rod assembly 3 is sleeved on a first shaft hole of the frame connecting seat 2, the upper portion of the rotating shaft section 32 is sleeved in the wear-resistant belt 6, a supporting section 31 is sleeved in a second shaft hole of the guide sleeve 5, the supporting step 34 is located on the lower portion of the frame connecting seat 2, and the piston section 33 is located in the cylinder 4.
The shaft segment 32 and the first shaft bore are sized correspondingly and are an interference fit. The piston section 33 and the inner cavity of the cylinder 4 form a closed space L, and oil-gas mixed liquid is pre-filled in the closed space L and can be compressed or expanded. When the vehicle needs to be steered, the front axle 1 is pushed by the steering mechanism to rotate around the piston rod assembly 3.
The piston rod assembly 3 is in clearance fit with the wear-resistant belt 6, the guide sleeve 5 and the cylinder barrel 4, and the piston rod assembly 3 can move up and down or rotate. When the vehicle runs on an uneven road surface, the oil-gas mixed liquid in the closed space L is compressed or expanded to play a role in damping.
The forward direction of the vehicle and the backward direction of the vehicle described in the utility model take the left side of the forward direction of the vehicle as the left side and the right side of the forward direction of the vehicle as the right side; meanwhile, for simplifying the description, only the structure of the left front suspension is described, and the right front suspension is symmetrical to the left front suspension.
The method is suitable for mounting the front suspension of the unmanned mining vehicle, and comprises the following specific processes:
a frame connecting screw 21 penetrates through a frame connecting through hole of the frame connecting seat 2, the frame connecting seat 2 is connected to the side part of the frame 8, and an upper fork arm 11 and a lower fork arm 12 of the front shaft 1 are placed on the upper side and the lower side of a first shaft hole of the frame connecting seat 2;
the rotating shaft section 32 at the upper end of the piston rod assembly 3 penetrates through the lower fork arm through hole 121, and then the guide sleeve 5 is sleeved on the rotating shaft section 32; the rotating shaft section 32 extends into the first shaft hole, the front end of the rotating shaft section extends into the wear-resistant belt 6 of the upper fork arm through hole 111, and the support section 31 jacks up the frame connecting seat 2;
the guide sleeve 5 is placed at the lower yoke through hole 121, the piston section 33 and the guide sleeve 5 move downwards, the piston section 33 extends into an inner cavity of the guide sleeve 5, the connecting edge of the guide sleeve is pressed on the upper part of the connecting edge of the cylinder barrel, the cylinder barrel connecting bolt penetrates through the guide sleeve connecting through hole and the cylinder barrel connecting through hole to be connected to the cylinder barrel connecting threaded hole, and the guide sleeve 5 and the cylinder barrel 4 are connected at the lower yoke through hole 121 of the lower yoke 12;
the shield connecting bolt passes through the shield connecting through hole to be connected to the shield connecting screw hole, and connects the shield 7 to the upper portion of the upper yoke through hole 111 of the upper yoke 11.
The arrangement method of the front suspension of the unmanned mining vehicle is suitable, and comprises the following specific steps:
connecting a frame connecting seat 2 to the side part of a frame 8, and rotatably connecting a front shaft 1 to the frame connecting seat 2 through a piston rod assembly 3 so as to reduce the height of the front shaft 1 relative to the frame 8;
the cylinder 4 is connected to the lower yoke 12 of the front axle 1, the main body of the cylinder 4 is positioned at the lower part of the lower yoke through hole 121, the frame connecting seat 2 is jacked up by the supporting section 31, the frame connecting seat 2 is separated from the lower yoke 12, and the front axle 1 and the frame connecting seat 2 are rotatably connected through the piston rod assembly 3.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also 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 equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (6)
1. A front suspension for an unmanned mining vehicle, comprising: front axle, vehicle frame connecting seat, piston rod assembly, cylinder, uide bushing, the front axle includes: the connecting device comprises an upper fork arm, a lower fork arm and a connecting shaft, wherein the upper fork arm and the lower fork arm are connected to the end part of the connecting shaft, the upper fork arm is positioned at the upper part of the lower fork arm, the upper fork arm is provided with an upper fork arm through hole, the lower fork arm is provided with a lower fork arm through hole, and the periphery of the lower fork arm through hole is provided with a plurality of cylinder barrel connecting threaded holes; the frame connecting seat is provided with first shaft hole, and the piston rod assembly includes: the support device comprises a support section, a rotating shaft section and a piston section, wherein the rotating shaft section and the piston section are respectively connected to two ends of the support section; the upper end of the cylinder barrel is open, the lower end of the cylinder barrel is closed, a cylinder barrel connecting edge is arranged on the outer wall of the cylinder barrel outside the opening, and a plurality of cylinder barrel connecting through holes are formed in the cylinder barrel connecting edge; the guide sleeve is axially provided with a second shaft hole, the outer wall of the upper part of the guide sleeve is provided with a guide sleeve connecting edge, and the guide sleeve connecting edge is provided with a plurality of guide sleeve connecting through holes; the cylinder barrel is sleeved in the lower fork arm through hole, the guide sleeve is sleeved in the cylinder barrel, the connecting edge of the guide sleeve is pressed on the upper part of the connecting edge of the cylinder barrel, the cylinder barrel connecting bolt penetrates through the guide sleeve connecting through hole and the cylinder barrel connecting through hole to be connected on the cylinder barrel connecting threaded hole, and the lower part of the cylinder barrel extends out of the lower part of the lower fork arm through hole; the rotating shaft section is sleeved on the first shaft hole, the upper portion of the rotating shaft section is sleeved in the through hole of the upper fork arm, the supporting section is sleeved in the second shaft hole, and the piston section is located in the cylinder barrel.
2. The front suspension fork of claim 1, wherein a wear-resistant band is provided in the through hole of the upper yoke, the upper portion of the shaft section is fitted in the wear-resistant band, and a shield is provided at the upper portion of the through hole of the upper yoke; the periphery of the upper fork arm through hole is provided with a protective cover connecting threaded hole, the lower end of the protective cover is open, the upper end of the protective cover is closed, the protective cover is provided with a protective cover connecting edge on the outer wall of the outer side of the opening, the protective cover connecting edge is provided with a plurality of protective cover connecting through holes, and the protective cover connecting bolt penetrates through the protective cover connecting through holes to be connected to the protective cover connecting threaded hole.
3. The front suspension for an unmanned mining vehicle of claim 1, wherein the frame attachment base is provided at an end portion with a frame attachment edge, the frame attachment edge being provided with a plurality of frame attachment through holes, the frame attachment through holes being provided with frame attachment screws.
4. The front suspension fork of claim 1, wherein the piston section and the bore of the cylinder form a closed space, and the closed space is filled with a mixture of oil and gas.
5. The front suspension for an unmanned mining vehicle of claim 1, wherein the support section and the axle section form a support step at a junction, the support step being located at a lower portion of the frame attachment seat.
6. The front suspension for an unmanned mining vehicle of claim 1, wherein the frame attachment base is horizontally attached to the frame, and the axis of the frame attachment base and the axis of the front axle are at the same height position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221275373.6U CN217598266U (en) | 2022-05-25 | 2022-05-25 | Front suspension suitable for unmanned mining vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221275373.6U CN217598266U (en) | 2022-05-25 | 2022-05-25 | Front suspension suitable for unmanned mining vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217598266U true CN217598266U (en) | 2022-10-18 |
Family
ID=83568815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221275373.6U Active CN217598266U (en) | 2022-05-25 | 2022-05-25 | Front suspension suitable for unmanned mining vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217598266U (en) |
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2022
- 2022-05-25 CN CN202221275373.6U patent/CN217598266U/en active Active
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