CN214001860U - Commercial car driver's cabin upset stop gear - Google Patents
Commercial car driver's cabin upset stop gear Download PDFInfo
- Publication number
- CN214001860U CN214001860U CN202022923516.7U CN202022923516U CN214001860U CN 214001860 U CN214001860 U CN 214001860U CN 202022923516 U CN202022923516 U CN 202022923516U CN 214001860 U CN214001860 U CN 214001860U
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- front suspension
- straight rod
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- hole
- commercial vehicle
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Abstract
The utility model discloses a commercial vehicle cab overturning limiting mechanism, which comprises a front suspension casting and a front suspension fixing support, wherein the front suspension casting is suitable for being installed on a cab floor longitudinal beam, the front suspension fixing support is suitable for being installed on a vehicle frame, a first rotating hole is formed in the bottom end of the front suspension casting, a first connecting shaft block is arranged on the front suspension fixing support, a first transition cambered surface is formed in the first connecting shaft block, and the first transition cambered surface is matched with the first rotating hole; a limiting piece is arranged between the front suspension casting and the front suspension fixing support, an upper fixing piece is arranged on the front suspension casting, the upper fixing piece is fixedly connected with the front suspension casting, a lower fixing piece is arranged on the front suspension fixing support, the lower fixing piece is fixedly connected with the front suspension casting, one end of the limiting piece is rotatably connected with the upper fixing piece, and the other end of the limiting piece is rotatably connected with the lower fixing piece; the utility model provides an increase stop gear and avoid driver's cabin rotation angle when the biggest, because the focus crosses the upset center, lift cylinder inefficacy leads to the driver's cabin to empty.
Description
Technical Field
The utility model belongs to the spacing field of auttombilism room, concretely relates to commercial car driver's cabin upset stop gear.
Background
The hydraulic turnover system of the cab takes hydraulic pressure as power, and the cab rotates in a limited way around a turnover center through the extension and retraction of the lifting oil cylinder, so that the lifting and falling of the cab are completed. The lifting oil cylinder assembly is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion. When the lifting oil cylinder extends out, the cab is supported by upward lifting force to start to overturn forwards around the overturning shaft, when the lifting oil cylinder reaches the maximum stroke, the cab stops overturning, the overturning angle reaches the maximum, at the moment, the gravity center of the cab crosses the overturning center, the lifting oil cylinder generates pulling force on the cab, if the oil cylinder fails suddenly, the cab can continuously lean forwards, danger is brought to vehicles and personnel, and therefore, an overturning limiting mechanism needs to be added, and safety is guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: increase stop gear and avoid the driver's cabin upset angle when the biggest, because the focus crosses the upset center, lift cylinder inefficacy leads to the driver's cabin to empty.
In order to solve the technical problem, the inventor obtains the technical scheme of the utility model through practice and summary, the utility model discloses a commercial car cab overturning limiting mechanism, which comprises a front suspension casting and a front suspension fixing support, wherein the front suspension casting is suitable for being installed on a cab floor longitudinal beam, the front suspension fixing support is suitable for being installed on a frame, a first rotating hole is formed in the bottom end of the front suspension casting, a first connecting shaft block is arranged on the front suspension fixing support, a transition cambered surface is formed on the first connecting shaft block, and the transition cambered surface is matched with the first rotating hole;
install the locating part between preceding suspension foundry goods and the preceding suspension fixed bolster, install the mounting on the preceding suspension foundry goods, go up mounting and preceding suspension foundry goods fixed connection, install down the mounting on the preceding suspension fixed bolster, lower mounting and preceding suspension foundry goods fixed connection, the one end and the last mounting of locating part rotate to be connected, the other end and the lower mounting of locating part rotate to be connected.
Furthermore, one end of the upper fixing piece is provided with a first connecting hole, one end of the lower fixing piece is provided with a second connecting hole, and two ends of the limiting piece are suitable for being connected with the first connecting hole and the second connecting hole respectively;
the connecting shaft is installed between the first rotating hole and the transition cambered surface, the angle limiting parts are installed at two ends of the connecting shaft, and the angle limiting parts are detachably connected with the connecting shaft.
Furthermore, the angle limiting part comprises a connecting disc, the connecting disc is detachably connected with the connecting shaft, a stop block is arranged at the edge of the connecting disc, and the stop block is fixedly connected with the connecting disc;
the front overhang fixing support is provided with a limiting frame, the limiting frame is fixedly connected with the front overhang fixing support, the cambered surface of the limiting frame and the connecting disc are arranged in a concentric circle mode, the limiting frame is provided with a baffle, the baffle is matched with the baffle, and the baffle is suitable for stopping the rotation of the baffle.
Furthermore, a first torsion spring is further mounted in the middle of the connecting shaft, the first torsion spring comprises a free rotating end, and the rotating free end of the first torsion spring is positioned at two ends and in the middle;
a connecting bayonet is formed in the first connecting shaft block and is suitable for being fixedly connected with the middle of the first torsion spring;
the front suspension casting is provided with a second connecting shaft block, the second connecting shaft block is fixedly connected with the front suspension casting, the second connecting shaft block is provided with two groups, and the two groups of second connecting shaft blocks are respectively and fixedly connected with two ends of the first torsion spring;
and two groups of connecting discs are arranged, and each group of connecting discs are respectively positioned on one side of the corresponding coupling block II back to the front suspension casting.
Furthermore, the limiting part comprises a first straight rod and a second straight rod, one end of the first straight rod is rotatably connected with one end of the corresponding second straight rod, the other end of the first straight rod is rotatably connected with the first connecting hole, and the other end of the second straight rod is rotatably connected with the second connecting hole.
Furthermore, a second torsion spring is installed at the rotating connection position of the first straight rod and the second straight rod, and the second torsion spring is suitable for resetting after the first straight rod and the second straight rod rotate.
Further, the locating part is the telescopic link, the locating part includes interior pole and outer pole, the removal hole has been seted up on the outer pole, interior pole is at the removal downthehole removal, the one end that the outer pole was kept away from to interior pole rotates with last mounting to be connected, the one end that the front suspension foundry goods was kept away from to the outer pole rotates with lower mounting to be connected.
Further, go up the mounting and include the slider, the bottom of preceding suspension foundry goods is provided with the spout, the slider removes in the spout inboard, the slider is suitable for the flexible position of the relative outer pole of limited interior pole.
Furthermore, a spring is installed between the sliding block and the inner wall of the front suspension casting, one end of the spring is fixedly connected with the inner wall of the front suspension casting, and the other end of the spring is fixedly connected with the sliding block.
Furthermore, the limiting piece is a flexible piece, one end of the flexible piece is detachably connected with the second connecting hole, and the other end of the flexible piece is suitable for being detachably connected with the sliding block;
a telescopic pipe is arranged between the sliding block and the inner wall of the front suspension casting, the telescopic pipe comprises a fixed pipe and a movable pipe, the fixed pipe is fixedly connected with the inner wall of the front suspension casting, a telescopic hole is formed in the fixed pipe, the movable pipe moves in the telescopic pipe, and one end, far away from the fixed pipe, of the movable pipe is fixedly connected with the sliding block;
the fixed pipe and the movable pipe are respectively provided with a plurality of groups of positioning holes, and the plurality of groups of positioning holes are suitable for fixing the position of the movable pipe relative to the fixed pipe.
Compared with the prior art, the utility model discloses can obtain following technological effect: the limiting mechanism is added to avoid that the lifting oil cylinder fails to work to cause the cab to topple when the overturning angle of the cab is maximum and the center of gravity passes through the overturning center; and an angle limiting part is added to further limit the angle, and a first torsion spring is added to enable the rotating cylinder to reset according to the speed of the lifting cylinder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view illustrating the installation of a front suspension casting and a front suspension fixing bracket according to the present invention;
FIG. 2 is a structural diagram of the angle limiting member of the present invention;
fig. 3 is a partial enlarged view a of fig. 2 according to the present invention;
fig. 4 is a side view of embodiment 1 of the present invention;
fig. 5 is a side view of embodiment 2 of the present invention;
fig. 6 is a cross-sectional view of embodiment 2 of the present invention;
fig. 7 is a sectional view of embodiment 3 of the present invention;
fig. 8 is a partial enlarged view B of fig. 7 according to the present invention;
fig. 9 is a structural view of the telescopic tube of the present invention.
In the figure: 1. front suspension casting; 2. a front suspension fixing bracket; 3. a cab floor rail; 4. a frame; 5. A first coupling block; 6. rotating the first hole; 7. a first connection hole; 8. a second connection hole; 9. a connecting shaft; 10. connecting the disks; 11. a stopper; 12. a limiting frame; 13. a baffle plate; 14. a first torsion spring; 15. a connecting bayonet; 16. A second connecting shaft block; 17. a first straight rod; 18. a second straight rod; 19. a second torsion spring; 20. an inner rod; 21. an outer rod; 22. a slider; 23. a chute; 24. a spring; 25. a flexible member; 26. a fixed tube; 27. moving the tube; 28. positioning holes; 29. and lifting the oil cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 to 4, the turnover limiting mechanism for the cab of the commercial vehicle comprises a front suspension casting 1 and a front suspension fixing support 2, wherein the front suspension casting 1 is suitable for being installed on a floor longitudinal beam 3 of the cab, the front suspension fixing support 2 is suitable for being installed on a frame 4, a lifting oil cylinder 29 is suitable for rotating the cab and the frame, a rotating hole I6 is formed in the bottom end of the front suspension casting 1, a connecting shaft block I5 is arranged on the front suspension fixing support 2, a transition arc surface is formed in the connecting shaft block I5, and the transition arc surface is matched with the rotating hole I6;
a limiting part is installed between the front suspension casting 1 and the front suspension fixing support 2, an upper fixing part is installed on the front suspension casting 1 and is fixedly connected with the front suspension casting 1, a lower fixing part is installed on the front suspension fixing support 2 and is fixedly connected with the front suspension casting 1, one end of the limiting part is rotatably connected with the upper fixing part, and the other end of the limiting part is rotatably connected with the lower fixing part.
One end of the upper fixing piece is provided with a first connecting hole 7, one end of the lower fixing piece is provided with a second connecting hole 8, and two ends of the limiting piece are suitable for being respectively connected with the first connecting hole 7 and the second connecting hole 8;
a connecting shaft 9 is installed between the first rotating hole 6 and the transition cambered surface, angle limiting parts are installed at two ends of the connecting shaft 9, and the angle limiting parts are detachably connected with the connecting shaft 9.
The angle limiting piece comprises a connecting disc 10, the connecting disc 10 is detachably connected with the connecting shaft 9, a stop block 11 is arranged at the edge of the connecting disc 10, and the stop block 11 is fixedly connected with the connecting disc 10;
install spacing 12 on the preceding fixed bolster 2 of hanging, spacing 12 and preceding fixed bolster 2 fixed connection hang, and the cambered surface of spacing 12 sets up for the concentric circles with connection disc 10, installs baffle 13 on the spacing 12, and dog 11 and 13 looks adaptations of baffle, baffle 13 are suitable for stopping dog 11 and rotate.
A first torsion spring 14 is further mounted in the middle of the connecting shaft 9, the first torsion spring 14 comprises free rotating ends, and the rotating free ends of the first torsion spring 14 are located at two ends and in the middle;
a connecting bayonet 15 is formed in the first connecting shaft block 5, and the connecting bayonet 15 is suitable for being connected with the middle of the first torsion spring 14 in a fixed mode;
a second coupling block 16 is mounted on the front suspension casting 1, the second coupling block 16 is fixedly connected with the front suspension casting 1, two groups of second coupling blocks 16 are arranged, and the two groups of second coupling blocks 16 are respectively and fixedly connected with two ends of the first torsion spring 14;
two groups of connecting disks 10 are arranged, and each group of connecting disks 10 is respectively positioned on one side of the corresponding second coupling block 16 back to the front suspension casting 1.
The limiting part comprises a first straight rod 17 and a second straight rod 18, one end of the first straight rod 17 is rotatably connected with one end of the corresponding second straight rod 18, the other end of the first straight rod 17 is rotatably connected with the first connecting hole 7, and the other end of the second straight rod 18 is rotatably connected with the second connecting hole 8.
A second torsion spring 19 is arranged at the rotary connection position of the first straight rod 17 and the second straight rod 18, and the second torsion spring 19 is suitable for resetting after the first straight rod 17 and the second straight rod 18 rotate.
Example 2
As shown in fig. 5 to 6, for the utility model discloses an implementation mode, on the basis of embodiment one, be revised as the locating part for the telescopic link, the locating part includes interior pole 20 and outer pole 21, has seted up the removal hole on the outer pole 21, and interior pole 20 moves in the removal hole, and interior pole 20 is kept away from the one end of outer pole 21 and is rotated with last mounting and be connected, and outer pole 21 keeps away from the one end of preceding suspension foundry goods 1 and rotates with lower mounting and be connected.
The upper fixing part comprises a sliding block 22, the bottom end of the front suspension casting 1 is provided with a sliding groove 23, the sliding block 22 moves inside the sliding groove 23, and the sliding block 22 is suitable for limiting the telescopic position of the inner rod 20 relative to the outer rod 21.
A spring 24 is arranged between the sliding block 22 and the inner wall of the front suspension casting 1, one end of the spring 24 is fixedly connected with the inner wall of the front suspension casting 1, and the other end of the spring 24 is fixedly connected with the sliding block 22.
Example 3
As shown in fig. 7 to 9, for an implementation manner of the present invention, on the basis of the first embodiment, the modification limiting member is a flexible member 25, one end of the flexible member 25 is detachably connected to the second connecting hole 8, the other end of the flexible member 25 is adapted to be detachably connected to the slider 22, and the flexible member 25 can be a nylon rope, which has both a connecting function and an elastic expansion function;
an extension pipe is arranged between the sliding block 22 and the inner wall of the front suspension casting 1 and comprises a fixed pipe 26 and a moving pipe 27, the fixed pipe 26 is fixedly connected with the inner wall of the front suspension casting 1, an extension hole is formed in the fixed pipe 26, the moving pipe 27 moves in the extension pipe, and one end, far away from the fixed pipe 26, of the moving pipe 27 is fixedly connected with the sliding block 22;
the fixed pipe 26 and the movable pipe 27 are respectively provided with a plurality of positioning holes 28, and the plurality of positioning holes 28 are suitable for fixing the position of the movable pipe 27 relative to the fixed pipe 26.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a commercial car driver's cabin upset stop gear which characterized in that: the front suspension casting (1) is suitable for being installed on a cab floor longitudinal beam (3), the front suspension fixing support (2) is suitable for being installed on a frame (4), a first rotating hole (6) is formed in the bottom end of the front suspension casting (1), a first connecting shaft block (5) is arranged on the front suspension fixing support (2), a first transition arc surface is formed in the first connecting shaft block (5), and the first transition arc surface is matched with the first rotating hole (6);
install the locating part between preceding suspension foundry goods (1) and preceding suspension fixed bolster (2), install the mounting on preceding suspension foundry goods (1), go up mounting and preceding suspension foundry goods (1) fixed connection, install down the mounting on preceding suspension fixed bolster (2), mounting and preceding suspension foundry goods (1) fixed connection down, the one end and the last mounting of locating part rotate to be connected, the other end and the lower mounting of locating part rotate to be connected.
2. The commercial vehicle cab turnover limiting mechanism of claim 1, wherein: one end of the upper fixing piece is provided with a first connecting hole (7), one end of the lower fixing piece is provided with a second connecting hole (8), and two ends of the limiting piece are suitable for being connected with the first connecting hole (7) and the second connecting hole (8) respectively;
install connecting axle (9) between rotation hole (6) and the transition cambered surface, the angle locating part is installed at the both ends of connecting axle (9), the angle locating part can be dismantled with connecting axle (9) and be connected.
3. The commercial vehicle cab turnover limiting mechanism of claim 2, wherein: the angle limiting part comprises a connecting disc (10), the connecting disc (10) is detachably connected with the connecting shaft (9), a stop block (11) is installed at the edge of the connecting disc (10), and the stop block (11) is fixedly connected with the connecting disc (10);
install spacing (12) on preceding overhang fixed bolster (2), spacing (12) and preceding overhang fixed bolster (2) fixed connection, the cambered surface of spacing (12) sets up for concentric circles with connection disc (10), install baffle (13) on spacing (12), dog (11) and baffle (13) looks adaptation, baffle (13) are suitable for stopping dog (11) and rotate.
4. The commercial vehicle cab turnover limiting mechanism of claim 3, wherein: a first torsion spring (14) is further mounted in the middle of the connecting shaft (9), the first torsion spring (14) comprises a free rotating end, and the rotating free end of the first torsion spring (14) is located at two ends and in the middle;
a connecting bayonet (15) is formed in the first coupling block (5), and the connecting bayonet (15) is suitable for being fixedly connected with the middle of a first torsion spring (14);
a second coupling block (16) is mounted on the front suspension casting (1), the second coupling block (16) is fixedly connected with the front suspension casting (1), two groups of second coupling blocks (16) are arranged, and the two groups of second coupling blocks (16) are fixedly connected with two ends of a first torsion spring (14) respectively;
the connecting discs (10) are arranged in two groups, and each group of connecting discs (10) is respectively positioned on one side of the corresponding connecting shaft block II (16) back to the front suspension casting (1).
5. The commercial vehicle cab turnover limiting mechanism of claim 4, wherein: the limiting part comprises a first straight rod (17) and a second straight rod (18), one end of the first straight rod (17) is rotatably connected with one end of the corresponding second straight rod (18), the other end of the first straight rod (17) is rotatably connected with the first connecting hole (7), and the other end of the second straight rod (18) is rotatably connected with the second connecting hole (8).
6. The commercial vehicle cab turnover limiting mechanism of claim 5, wherein: and a second torsion spring (19) is arranged at the rotary connection position of the first straight rod (17) and the second straight rod (18), and the second torsion spring (19) is suitable for resetting after the first straight rod (17) and the second straight rod (18) rotate.
7. The commercial vehicle cab turnover limiting mechanism of claim 4, wherein: the locating part is the telescopic link, the locating part includes interior pole (20) and outer pole (21), the removal hole has been seted up on outer pole (21), interior pole (20) are at the removal downthehole removal, the one end that outer pole (21) were kept away from in interior pole (20) rotates with last mounting to be connected, the one end that preceding suspension foundry goods (1) were kept away from in outer pole (21) rotates with lower mounting to be connected.
8. The commercial vehicle cab turnover limiting mechanism of claim 7, wherein: the upper fixing piece comprises a sliding block (22), a sliding groove (23) is formed in the bottom end of the front suspension casting (1), the sliding block (22) moves on the inner side of the sliding groove (23), and the sliding block (22) is suitable for limiting the telescopic position of the inner rod (20) relative to the outer rod (21).
9. The commercial vehicle cab rollover limiting mechanism according to claim 8, wherein: install spring (24) between the inner wall of slider (22) and preceding suspension foundry goods (1), the one end of spring (24) and the inner wall fixed connection of preceding suspension foundry goods (1), the other end and the slider (22) fixed connection of spring (24).
10. The commercial vehicle cab turnover limiting mechanism of claim 4, wherein: the limiting piece is a flexible piece (25), one end of the flexible piece (25) is detachably connected with the second connecting hole (8), and the other end of the flexible piece (25) is suitable for being detachably connected with the sliding block (22);
an extension tube is arranged between the sliding block (22) and the inner wall of the front suspension casting (1), the extension tube comprises a fixed tube (26) and a moving tube (27), the fixed tube (26) is fixedly connected with the inner wall of the front suspension casting (1), an extension hole is formed in the fixed tube (26), the moving tube (27) moves in the extension tube, and one end, far away from the fixed tube (26), of the moving tube (27) is fixedly connected with the sliding block (22);
the fixed pipe (26) and the movable pipe (27) are respectively provided with a plurality of positioning holes (28), and the plurality of groups of positioning holes (28) are suitable for fixing the position of the movable pipe (27) relative to the fixed pipe (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022923516.7U CN214001860U (en) | 2020-12-09 | 2020-12-09 | Commercial car driver's cabin upset stop gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022923516.7U CN214001860U (en) | 2020-12-09 | 2020-12-09 | Commercial car driver's cabin upset stop gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214001860U true CN214001860U (en) | 2021-08-20 |
Family
ID=77309908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022923516.7U Active CN214001860U (en) | 2020-12-09 | 2020-12-09 | Commercial car driver's cabin upset stop gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214001860U (en) |
-
2020
- 2020-12-09 CN CN202022923516.7U patent/CN214001860U/en active Active
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