CN210526197U

CN210526197U - Middle-mounted axle lifting device

Info

Publication number: CN210526197U
Application number: CN201921689246.9U
Authority: CN
Inventors: 张国盛
Original assignee: Qingdao Eaa Rubber Ind Co ltd
Current assignee: Qingdao Eaa Rubber Ind Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-05-15
Anticipated expiration: 2029-10-11

Abstract

The utility model relates to the field of automobile starting lifters, in particular to a middle-mounted axle lifting device, which comprises an inflatable leather bag, an upper supporting plate, a lower supporting plate, an upper cover plate and a lower cover plate, wherein the upper end of the inflatable leather bag is connected with the upper supporting plate, the upper cover plate is arranged on the upper supporting plate, the lower end of the inflatable leather bag is connected with the lower supporting plate, the lower end of the lower supporting plate is provided with the lower cover plate, the surfaces of the upper supporting plate and the lower supporting plate are both annular concave-convex surfaces, the upper supporting plate is also provided with an inflation hole, and the position of the upper cover plate, which corresponds; the middle-mounted axle lifting device solves the problems that in the prior art, a plurality of air bags are assembled and arranged on two sides of an axle, the cost is high, the debugging is difficult, and a single independent air bag has poor structural strength and poor stability in the lifting process; the lifting device has the advantages of convenience in installation and easiness in debugging, and the strength and the bearing of the lifting device can be greatly increased, so that the lifting device is firmer in structure, simple in structure and high in reliability.

Description

Middle-mounted axle lifting device

Technical Field

The utility model relates to an automobile starting riser field particularly, relates to a well formula axle hoisting device.

Background

At present, in the existing axle lifting rubber air spring, a plurality of air bags need to be combined to achieve an axle lifting effect, for example, the application number is CN201720776188.8, and the name is a patent of an air-driven lifter for an automobile floating axle, although the purpose of axle lifting can be achieved by the lifting starting mode, the cost is high, the debugging is difficult, the air bags are combined and installed on two sides of the axle, the air bags are easy to damage and need to occupy a large space, and the air suspension system of a vehicle can be failed due to the damage of one air bag; there are also prior art methods for directly lifting an axle with a single lifting device, such as the pneumatic lifter for a floating axle of a vehicle, patent application No. CN201720776188.8, and the independent axle lifting device and method, patent application No. CN 201610053330.6. Although above-mentioned two kinds of axle hoisting device all had used the gasbag of stand alone type to promote the axle, however, all do not explain the concrete structure of gasbag in above-mentioned two patents, only with traditional gasbag structure, intensity is relatively poor, support the axle alone and can make the gasbag backup pad warp, cause the backup pad to warp even, gasbag gas leakage, and gasbag promotes the axle alone and lacks direction or stop gear, can make the promotion in-process produce the slope or rock, stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a put formula axle hoisting device in to a plurality of gasbag aggregate erection that generally adopt among the solution prior art are with high costs in axle both sides, and the debugging difficulty, single stand alone type gasbag have structural strength poor, promote the problem of in-process poor stability.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a well put formula axle hoisting device, it is including aerifing the leather bag, go up the backup pad, the bottom suspension fagging, upper cover plate and bottom suspension fagging, it is connected with the backup pad to aerify the leather bag upper end, go up and install the upper cover plate in the backup pad, aerify the leather bag lower extreme and connect the bottom suspension fagging, the bottom suspension fagging is installed to the bottom suspension fagging lower extreme, the face of going up backup pad and bottom suspension fagging is annular corrugated surface, it aerifys the hole still to open on the backup pad, it has the.

Furthermore, the upper cover plate is rotatably connected with a sealing plate, the sealing plate is positioned above the inflation groove, the sealing plate and the upper cover plate are fixed through a positioning screw, and the sealing plate is used for plugging the inflation groove and plays a role in dust prevention.

Furthermore, the upper supporting plate is connected with the target axle through a lifting pull rod.

Further, the lower support plate is fixed on a chassis beam of the vehicle through a connecting rod.

Furthermore, the lower supporting plate is provided with a guide hole, and the lifting pull rod penetrates through the guide hole of the lower supporting plate and can move up and down along the guide hole.

Furthermore, an upper supporting plate is provided with a T-shaped groove, the connecting rod is installed in a matched mode with the T-shaped groove, and the upper supporting plate moves up and down along the connecting rod through the T-shaped groove.

Further, promote the pull rod and wholly be the U type, including fixed plate, straight-bar section, down tube section and arc rod section, the fixed plate is used for fixing the promotion pull rod in last backup pad, and straight-bar section can be at the promotion in-process along the guiding hole activity from top to bottom on the bottom suspension fagging, and the down tube section is used for spacingly, and after promoting the target height, the down tube section card is in guiding hole department, and the restriction continues to promote, and the arc rod section is used for fixed target axle.

The utility model discloses following beneficial effect has:

(1) the middle-mounted axle lifting device is convenient to install, easy to debug and low in cost due to the single air bag; the air bag is provided with the upper supporting plate and the lower supporting plate, and the surfaces of the upper supporting plate and the lower supporting plate are both annular concave-convex surfaces, so that the strength and the bearing of the lifting device can be greatly increased, the structure of the lifting device is firmer, the structure is simple, and the reliability is high;

(2) the middle axle lifting device is provided with a sealing plate, and the air charging hole and the air charging groove can be sealed after air charging is finished, so that dust or other impurities are prevented from falling into the middle axle lifting device;

(3) the lifting pull rod can move up and down along the guide hole on the lower supporting plate, the connecting rod moves in cooperation with the T-shaped groove in the upper supporting plate, the stability of the axle in the lifting and descending processes can be improved, and the axle is prevented from shaking.

Drawings

FIG. 1 is a schematic structural view of the present invention in a lifted state;

FIG. 2 is a schematic structural view of the present invention in a descending state;

fig. 3 is a schematic diagram of the explosion structure of the present invention;

FIG. 4 is a schematic view of an upper support plate structure;

FIG. 5 is a schematic view of the upper cover plate structure;

FIG. 6 is a schematic view of a closure plate mounting arrangement;

FIG. 7 is a schematic view of a lift link configuration;

wherein the figures include the following reference numerals: 1. inflating the leather bag; 2. an upper support plate; 21. an inflation hole; 22. a T-shaped slot; 3. a lower support plate; 31. a guide hole; 4. an upper cover plate; 41. an inflation groove; 42. closing the plate; 43. a set screw; 5. a lower cover plate; 6. lifting the pull rod; 61. a fixing plate; 62. a straight pole section; 63. a diagonal rod segment; 64. an arc-shaped rod section; 7. a connecting rod; 8. a chassis beam; 9. the target axle.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in FIGS. 1-7, a put formula axle hoisting device in, it is including aerifing leather bag 1, go up backup pad 2, bottom suspension fagging 3, upper cover plate 4 and bottom suspension fagging 5, it is connected with last backup pad to aerify leather bag upper end, upward install the upper cover plate in the backup pad, aerify leather bag lower extreme connection bottom suspension fagging, bottom suspension fagging lower extreme installation bottom suspension fagging, the face of going up backup pad and bottom suspension fagging is annular corrugated surface, the structural strength of backup pad about the reinforcing, bearing capacity is stronger, it aerifys hole 21 still to open on the backup pad, it has inflation tank 41 to open on the upper cover plate and the position that aerifys the hole correspondence, can directly aerify for the leather bag through the inflation hole, the height of control leather bag.

Rotatable coupling has shrouding 42 on the upper cover plate, and the shrouding is located the inflation tank top, and is fixed through set screw 43 between shrouding and the upper cover plate, and the shrouding is used for the shutoff to inflate the inflation tank, plays dustproof effect, need fill when gassing, unclamp set screw, rotates the shrouding, opens the constant head tank, aerifys or deflate from the position fixing port department, fills after the gassing, seals the inflation tank with the shrouding, and set screw screws up the location, prevents that debris such as dust from falling into the inflation tank.

Go up the backup pad and be connected with target axle 9 through lifting pull rod 6, it has guiding hole 31 to open in the bottom suspension fagging, and the lifting pull rod passes from the guiding hole of bottom suspension fagging, can play spacing effect along the guiding hole up-and-down motion, prevents to fill the gassing in-process and takes place to rock or the skew.

The bottom suspension fagging passes through connecting rod 7 to be fixed on the chassis crossbeam 8 of vehicle, and it has T-slot 22 to open on the last backup pad, and the connecting rod is installed with the cooperation of T-slot, goes up the backup pad and moves about along the connecting rod through the T-slot, further strengthens the stability that the leather bag was aerifyd to the gas filling and discharging in-process for the axle steadily descends or rises.

As shown in fig. 7, the lifting pull rod is wholly U-shaped, including fixed plate 61, straight pole section 62, down tube section 63 and arc pole section 64, the fixed plate is used for fixing the lifting pull rod in the upper support plate, straight pole section can be in the promotion in-process along the guiding hole activity from top to bottom on the bottom suspension fagging, the down tube section is used for spacingly, after promoting the target height, down tube section card is in guiding hole department, the restriction continues to promote, the arc pole section is used for the radian of fixed target axle arc pole section to be unanimous with the radian of axle horizontal pole, be convenient for fixed.

The utility model discloses a use as follows:

and (3) an inflation process: open the shrouding, leak the inflation inlet outward, aerify for aerifing the leather bag, aerify the in-process, because chassis crossbeam is fixed on the automobile body, the position is certain, then fix the position of the bottom suspension fagging on chassis crossbeam through the connecting rod also fixed, along with the going on of inflation process, aerify the leather bag height and constantly rise, it constantly rises along the connecting rod to go up the backup pad, the rising of going up the backup pad drives the promotion pull rod and rises, it moves in the guiding hole of bottom suspension fagging to promote the pull rod, thereby drive and promote the axle promotion of being connected of pull rod, promote the axle to the target location, meet special circumstances, for example because the error makes aerify excessively, the down tube card of up to the promotion pull rod is in the guiding hole below, also can promptly stop aerify the leather bag and continue to drive.

Air release process: the gassing process is opposite with the process of aerifing, aerifys height-reducing behind the leather bag gassing, goes up the backup pad and descends along the connecting rod, and then drives the pull rod and move down along the guiding hole, and the axle descends, and after the gassing, restores the shrouding normal position, fixes with set screw, will aerify the hole shutoff.

In the description of the present invention, it should be noted that the terms "front end", "rear end", "left and right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.

Claims

1. The utility model provides a put formula axle hoisting device in, a serial communication port, including aerifing leather bag (1), go up backup pad (2), bottom suspension fagging (3), upper cover plate (4) and bottom suspension fagging (5), it has last backup pad (2) to aerify leather bag (1) upper end connection, upward install upper cover plate (4) on backup pad (2), it connects bottom suspension fagging (3) to aerify leather bag (1) lower extreme, bottom suspension fagging (5) are installed to bottom suspension fagging (3) lower extreme, the face of going up backup pad (2) and bottom suspension fagging (3) is annular corrugated surface, it aerifys hole (21) still to open on backup pad (2), it has inflation groove (41) to open on the position that upper cover plate (4) and inflation hole (21.

2. The center-mounted axle lifting device according to claim 1, wherein a sealing plate (42) is rotatably connected to the upper cover plate (4), the sealing plate (42) is located above the inflation groove (41), the sealing plate (42) and the upper cover plate (4) are fixed through a positioning screw (43), and the sealing plate (42) is used for sealing the inflation groove (41) and playing a role of dust prevention.

3. Central axle lifting device according to claim 1, characterized in that the upper support plate (2) is connected to the target axle (9) by means of a lifting rod (6).

4. Central axle lift according to claim 1, characterized in that the lower support plate (3) is fixed to the chassis cross member (8) of the vehicle by means of a connecting rod (7).

5. The center-mounted axle lifting device according to claim 3, wherein the lower support plate (3) is formed with a guide hole (31), and the lifting rod (6) is passed through the guide hole (31) of the lower support plate (3) to be movable up and down along the guide hole (31).

6. The center-mounted axle lifting device according to claim 4, wherein the upper support plate (2) is provided with a T-shaped groove (22), the connecting rod (7) is installed in cooperation with the T-shaped groove (22), and the upper support plate (2) moves up and down along the connecting rod (7) through the T-shaped groove (22).

7. The center-mounted axle lifting device according to claim 3, wherein the lifting pull rod (6) is U-shaped as a whole and comprises a fixing plate (61), a straight rod section (62), an oblique rod section (63) and an arc rod section (64), the fixing plate (61) is used for fixing the lifting pull rod (6) on the upper support plate (2), the straight rod section (62) can move up and down along a guide hole (31) in the lower support plate (3) in the lifting process, the oblique rod section (63) is used for limiting, after the lifting to the target height, the oblique rod section (63) is clamped at the guide hole (31) to limit the continuous lifting, and the arc rod section (64) is used for fixing the target axle (9).