CN212193045U - Adjustable height control device for vehicle body - Google Patents
Adjustable height control device for vehicle body Download PDFInfo
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- CN212193045U CN212193045U CN202020636701.5U CN202020636701U CN212193045U CN 212193045 U CN212193045 U CN 212193045U CN 202020636701 U CN202020636701 U CN 202020636701U CN 212193045 U CN212193045 U CN 212193045U
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Abstract
The utility model provides an adjustable height control device for a vehicle body, which comprises at least two control single pieces, wherein the two control single pieces are arranged at two opposite sides of the vehicle body; the control unit comprises a support stand column, a cantilever pressing assembly, a swing arm assembly and a jacking supporting assembly, the cantilever pressing assembly and the jacking supporting assembly are inserted into a basic tool for placing a vehicle body, the cantilever pressing assembly and the jacking supporting assembly rotate to the vehicle body, the pressing of the bottom frame of the vehicle body is realized through the cantilever pressing assembly, the supporting of the top cover of the vehicle body is realized through the jacking supporting assembly, the height control of the bottom frame of the vehicle body and the top cover of the vehicle body can be realized, and the assembly of the vehicle body is facilitated.
Description
Technical Field
The utility model relates to a vehicle automobile body assembly field especially relates to a height control device with adjustable be used for automobile body.
Background
In the machine manufacturing industry, rail vehicle bodies are generally formed by riveting or welding an underframe, a side wall, an end wall, a top cover and vehicle body accessories; the chassis bears the side wall, links to each other with the lower extreme side wall, and the top cap is connected in the side wall upper end bearing, and both ends are linked the top cap side wall chassis by the headwall and are as an organic whole, and the automobile body height is the important parameter of size car body, also is the key control key point of automobile body manufacture process, if height dimension control is not good, will influence a series of assemblies, serious can lead to the automobile body to scrap. In the manufacturing process of the rail vehicle body, the side wall is usually firstly arranged on the bottom frame, after the size is determined, the side wall is pre-fixed by adopting positioning section welding or bolts, then the top cover is hoisted by hoisting equipment (a travelling crane) to be connected with the side wall, the positioning can be completed only by adjusting for many times, the travelling crane is required to be matched in the whole process until the top cover and the side wall are completely and firmly positioned, the process is very complicated and time-consuming, the safety risk is higher, and meanwhile, very large production resources are occupied. In conclusion, there is a need for an adjustable height control device for a vehicle body, which is convenient to operate, reliable in performance, good in universality, safe and efficient, and can effectively control the height of the vehicle body to be the size, thereby ensuring the quality and safety of the manufacturing process of the vehicle body of the rail vehicle, improving the production efficiency and reducing the occupation of production resources.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but change direction carries out the multi-angle and supports, convenient operation, the dependable performance, but firm durable diversion strutting arrangement has solved the problem that exists among the background art.
In order to achieve the above object, the utility model provides an adjustable height control device for a vehicle body, which comprises at least two control single pieces, wherein each control single piece comprises a support stand column, a cantilever pressing component, a swing arm component and a jacking bearing component, a support piece is arranged on the support stand column, the cantilever pressing component can be rotatably sleeved on the support piece part of the support stand column, and the cantilever pressing component is used for pressing a bottom frame of the vehicle body; the supporting column is provided with a limiting part, one end of the swing arm assembly is rotatably sleeved on the limiting part of the supporting column, the other end of the swing arm assembly is provided with a jacking supporting assembly, and the jacking supporting assembly is used for supporting a top cover of the vehicle body.
Furthermore, the supporting piece is a limiting ring, and the limiting ring is fixedly sleeved on the supporting upright post; the locating part is a check ring assembly, the check ring assembly comprises a check ring, the check ring is sleeved on the support stand column, and the check ring and the support stand column are fixed through a bolt.
Further, the cantilever pressing assembly comprises a pressing arm rotating sleeve, a cantilever plate, a pressing nut and a screw rod assembly; cantilever plate one end in the outer wall connection of the rotatory cover of pressure arm, the other end and the gland nut of cantilever plate are connected, and the internal diameter of the rotatory cover of pressure arm matches with the external diameter phase-match of support post, and on the support post was located to the rotatory cover of pressure arm, screw rod assembly included the screw rod, was equipped with the external screw thread that matches earlier with gland nut on the screw rod, and screw rod and gland nut screw-thread fit are connected, and the one end of screw rod is equipped with the pressure disk, and the other end of screw rod is equipped with the.
Further, the swing arm assembly comprises a swing arm supporting pipe, a swing arm rotating sleeve and a swing arm connecting plate; one end of the swing arm connecting plate is connected with a swing arm rotating sleeve, the other end of the swing arm connecting plate is connected with a swing arm supporting pipe, the swing arm rotating sleeve is rotatably sleeved on the supporting upright post, and one end of the swing arm supporting pipe is provided with a guide notch and a mounting opening which are superposed like a cross; the guide notch and the mounting opening are used for mounting and jacking guide of the jacking support assembly.
Further, the swing arm assembly further comprises a reinforcing pipe, the inner diameter of the reinforcing pipe is matched with the outer diameter of the swing arm supporting pipe, a U-shaped opening is formed in one end of the reinforcing pipe, the reinforcing pipe is fixedly sleeved on the swing arm supporting pipe, and the U-shaped opening of the reinforcing pipe is correspondingly arranged in a guide notch and a mounting hole of the swing arm supporting pipe.
Further, support post one end is equipped with three bolt holes that run through in proper order along the direction of height, support post's upper and lower two sets of bolt hole punishment do not overlap and are equipped with the retaining ring, be equipped with assorted bolt hole on the retaining ring, and the retaining ring passes through bolt locking on support post, be equipped with second thrust ball bearing on the terminal surface of lower extreme retaining ring, swing arm swivel housing is established on support post, the swing arm swivel housing is laid between upper and lower two sets of retaining ring, be equipped with the bolt hole on the swing arm swivel housing, bolt hole on the swing arm swivel housing is corresponding with support post middle group's bolt hole, and insert on the bolt hole of swing arm swivel housing and be equipped with the locking.
Furthermore, the jacking support assembly comprises an end part shaft sleeve, a lifting screw rod, a support bracket arm and a locking chock block; the end part shaft sleeve is arranged at the end part of the swing arm supporting pipe, a first thrust ball bearing is arranged in the end part shaft sleeve, the locking chock block is arranged in the swing arm supporting pipe through the end part mounting port of the swing arm assembly, a clamping groove is formed in the locking chock block, and a structure matched with the clamping groove is arranged at the end part of one end of the lifting screw rod; the supporting bracket arm is fixedly connected with a lifting nut, the supporting bracket arm is embedded in a guide notch of the swing arm supporting pipe, and the lifting nut is positioned in the swing arm supporting pipe; the lifting screw rod sequentially passes through the first thrust ball bearing, the end part shaft sleeve, a lifting nut in the supporting bracket and the locking chock block, and the end part of the lifting screw rod is clamped into a clamping groove of the locking chock block; when the lifting screw is screwed, the supporting bracket arm can be driven to move up and down along the axial direction in the guide notch of the swing arm supporting pipe, and the jacking function is realized.
Furthermore, the tip axle sleeve is the cylinder boss structure, is equipped with the through-hole that is used for the lifting screw to pass on the tip axle sleeve, and the minor diameter end of tip axle sleeve cooperatees with the internal diameter of swing arm supporting tube, and the tip axle sleeve sets up the tip at the swing arm supporting tube through the embedding of minor diameter end, and the major diameter end more than or equal to the external diameter of swing arm supporting tube of tip axle sleeve, the major diameter end of tip axle sleeve is equipped with the heavy platform that can imbed thrust ball bearing, is equipped with first thrust ball bearing in the heavy platform.
Further, the supporting bracket arm comprises a bracket arm supporting plate and a supporting plate; the supporting arm supporting plate is a right-angle L-shaped bent plate, an avoiding notch and a mounting groove for mounting a lifting nut are formed in the short edge of the supporting arm supporting plate, the side wall of the lifting nut is welded in the mounting groove, and the supporting plate is welded on the long edge of the supporting arm supporting plate in a flat mode; the isolation base plate is arranged on the supporting plate, and a boss structure is arranged at one end of the isolation base plate.
Further, this application device includes the mounting base, and the mounting base is laid on being used for placing the basic frock of automobile body, and the mounting base is the same with the quantity of control singleton, and the mounting base sets up with control singleton one-to-one, and the support post of control singleton is inserted and is established on the mounting base.
The utility model discloses following beneficial effect has:
(1) the utility model provides an adjustable height control device for a vehicle body, which comprises at least two control single pieces, wherein the two control single pieces are arranged at two opposite sides of the vehicle body; the control unit comprises a support stand column, a cantilever pressing assembly, a swing arm assembly and a jacking supporting assembly, the cantilever pressing assembly and the jacking supporting assembly are inserted into a basic tool for placing a vehicle body, the cantilever pressing assembly and the jacking supporting assembly rotate to the vehicle body, the pressing of the bottom frame of the vehicle body is realized through the cantilever pressing assembly, the supporting of the top cover of the vehicle body is realized through the jacking supporting assembly, the height control of the bottom frame of the vehicle body and the top cover of the vehicle body can be realized, and the assembly of the vehicle body is facilitated.
(2) The utility model discloses a cantilever pressing component comprises a pressing arm rotating sleeve, a cantilever plate, a pressing nut and a screw rod component; the cantilever compresses tightly the subassembly and establishes on the support post through the rotatory cover of pressure arm, and the cantilever board is used for connecting rotatory cover of pressure arm and gland nut, gland nut and screw assembly's bulb screw rod cooperate, and the bulb one end of bulb screw rod is equipped with the pressure disk, and the other end of bulb screw rod is equipped with the auxiliary block, and what the bulb screw rod of being convenient for revolves soon, drives the pressure disk when revolving and twisting gland screw and removes the compressing tightly that realizes the automobile body frame fixed, and the pressure disk can increase the area that compresses tightly of bulb screw rod simultaneously, and the compressing tightly of reinforcing.
(3) The swing arm assembly of the utility model comprises a swing arm rotary sleeve, a reinforcing pipe and a swing arm supporting pipe, the swing arm assembly has simple structure and reasonable design, and can realize the steering and stable supporting of the jacking supporting assembly; the swing arm supporting pipe is provided with a guide notch and a mounting opening which are overlapped like a cross and used for mounting and guiding the jacking supporting assembly; the U-shaped opening is formed in the reinforcing pipe, the reinforcing pipe is fixedly sleeved on the swing arm supporting pipe, the U-shaped opening is aligned with the guide groove opening and the mounting opening, the jacking of the jacking supporting assembly is not influenced by the arrangement of the reinforcing pipe, and the stable support of the jacking supporting assembly can be enhanced; the swing arm rotating sleeve is rotatably sleeved on the supporting upright post, and the steering of the jacking supporting assembly can be realized.
(4) The jacking support assembly of the device comprises an end part shaft sleeve, a lifting screw rod, a lifting nut, a support bracket arm and a locking chock block; the lifting screw is installed in an axial limiting mode through the end portion shaft sleeve, the first thrust ball bearing is arranged on the end portion shaft sleeve, the lifting screw can be conveniently rotated and screwed, the locking plug block is provided with a clamping groove, the clamping groove can limit the end portion of the lifting screw, the lifting nut is fixedly connected with the supporting arm, the lifting screw is connected with the lifting nut in a matched mode, when the lifting screw is screwed, the lifting nut drives the supporting arm to move up and down, and jacking of the supporting arm is achieved.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of a control unit of an adjustable height control device for a vehicle body according to the present invention;
FIG. 2 is an exploded view (without a mounting base) of a control unit of the adjustable height control apparatus for a vehicle body of the present invention;
FIG. 3 is an installed cross-sectional view of the jacking support assembly of FIG. 1;
FIG. 4 is a schematic diagram of the cantilever hold-down assembly of FIG. 1;
FIG. 5 is an exploded view of the swing arm assembly of FIG. 1;
FIG. 6 is an exploded view of the support bracket of FIG. 1;
FIG. 7 is a schematic structural view of the support column of FIG. 1;
FIG. 8 is a schematic view of controlling a one-piece hold down jacking body installation;
the device comprises a base, a lifting screw rod, And (5) basic tooling.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 8, the present invention provides an adjustable height control device for a vehicle body, comprising at least two control singlets; the control single piece comprises a support upright post, a cantilever pressing component, a swing arm component and a jacking bearing component, wherein a limit ring is arranged on the support upright post, the cantilever pressing component is rotatably sleeved at the limit ring part of the support upright post, and the cantilever pressing component is used for pressing an underframe 14.1 of the vehicle body; the supporting column is provided with a check ring, one end of the swing arm assembly is rotatably sleeved at the check ring part of the supporting column, the other end of the swing arm assembly is provided with a jacking supporting assembly, and the jacking supporting assembly is used for supporting a top cover 14.2 of the vehicle body.
The cantilever pressing component 13 comprises a pressing arm rotating sleeve 13.1, a cantilever plate 13.2, a pressing nut 13.3 and a screw rod component 13.4; one end of the cantilever plate is connected with the outer wall of the pressure arm rotating sleeve 13.1, the other end of the cantilever plate is connected with a compression nut, the pressure arm rotating sleeve 13.1 is a round pipe with the inner diameter matched with the outer diameter of the support upright post 12, and the pressure arm rotating sleeve is sleeved on the support upright post; the cantilever plate 13.2 is a wedge-shaped plate, the compression nut 13.3 is a cylindrical nut, and the cylindrical body is provided with a threaded through hole along the axial direction; the pressing arm rotating sleeve 13.1 and the compression nut 13.3 are axially tangent with the large end and the small end of the cantilever plate 13.2 respectively and are welded into a whole, the screw assembly comprises a screw rod, the screw rod is a ball head screw rod, an external thread matched with the compression nut is arranged on the screw rod, the screw rod is in threaded fit connection with the compression nut, a pressing plate 13.5 is arranged at one end of the screw rod, the pressing area can be increased by the pressing plate, and the pressing of a vehicle body frame is facilitated and the vehicle body frame is not damaged; the other end of the screw is provided with an auxiliary block 13.6 which is a hexagonal block, so that the screw can be conveniently screwed.
Referring to fig. 5, the swing arm assembly 7 comprises a swing arm support tube 7.1, a reinforcing tube 7.2, a swing arm rotary sleeve 7.4 and two swing arm connecting plates 7.5; the swing arm connecting plate is a rectangular plate, a first arc interface and a second arc interface are respectively arranged at two ends of the swing arm connecting plate, the two swing arm connecting plates are aligned in parallel, and the first arc structure and the second arc structure are respectively welded on the swing arm supporting pipe and the swing arm rotating sleeve in a tangent mode; the swing arm rotary sleeve is rotatably sleeved on the support upright post, and one end of the swing arm supporting tube 7.1 is provided with a guide notch 7.1c and a mounting opening 7.1d which are superposed like a cross; the internal diameter of reinforcement pipe and the external diameter phase-match of swing arm supporting tube, the one end of reinforcement pipe is equipped with U-shaped opening 7.2b, and the U-shaped opening of reinforcement pipe is adjusted well and is set up in the direction notch of swing arm supporting tube and installing port department opening orientation unanimously, and reinforcement pipe and swing arm supporting tube are equipped with the bolt hole, and the fixed cover of reinforcement pipe is established on the swing arm supporting tube, and reinforcement pipe and swing arm supporting tube pass through bolted connection. A swing arm web plate is further arranged between the two swing arm connecting plates, two ends of the swing arm web plate are respectively connected with the two swing arm web plates, and the other two ends of the swing arm web plate are respectively connected with a swing arm rotating sleeve and a swing arm supporting pipe; the arrangement of the swing arm web plate and the swing arm connecting pipe enhances the stability of the connection between the swing arm supporting pipe and the swing arm rotating sleeve.
The jacking support assembly comprises an end part shaft sleeve 1, a lifting screw rod 2, a support bracket arm 4 and a locking chock block 5; the end part shaft sleeve is arranged at the end part of the swing arm supporting pipe, a first thrust ball bearing is arranged in the end part shaft sleeve, the end part shaft sleeve is of a cylindrical boss structure, a through hole for a lifting screw to pass through is formed in the end part shaft sleeve, the small-diameter end of the end part shaft sleeve is matched with the inner diameter of the swing arm supporting pipe, the end part shaft sleeve is embedded into the end part of the swing arm supporting pipe through the small-diameter end, the large-diameter end of the end part shaft sleeve is larger than or equal to the outer diameter of the swing arm supporting pipe, a sinking platform capable of being embedded with the thrust ball bearing is arranged at the large; the locking chock is provided with a bolt hole corresponding to the swing arm supporting tube and the reinforcing tube, the locking chock 5 is arranged in the swing arm supporting tube 7.1 through an installation port 7.1d at the end part of the swing arm assembly 7 and is fixed by a bolt, the locking chock is provided with a clamping groove which is a T-shaped groove, and the end part of one end of the lifting screw is provided with an annular groove cylindrical head matched with the clamping groove; the supporting bracket arm is fixedly connected with a lifting nut which is a cylindrical nut, and the peripheral arm of the cylindrical nut is smooth and convenient to place; the supporting bracket arm is embedded in the guide notch of the swing arm supporting tube, and the lifting nut is positioned in the swing arm supporting tube. The lifting screw rod 2 sequentially passes through the first thrust ball bearing 3, the end part shaft sleeve 1, the lifting nut 4.1 in the supporting bracket arm and the locking chock block, and the circular groove cylindrical head of the lifting screw rod 2 is clamped into the clamping groove of the locking chock block; when the lifting screw 2 is screwed, the supporting bracket arm can be driven to move up and down along the axial direction in the guide notch of the swing arm supporting pipe 7.1, and the jacking function is realized.
Referring to fig. 6, the support bracket comprises a bracket support plate 4.2 and a support plate 4.3; the supporting arm supporting plate 4.2 is a right-angled L-shaped bent plate, an avoidance notch 4.2b and a mounting groove 4.2c for mounting a lifting nut are arranged on the short side of the supporting arm supporting plate, the side wall of the lifting nut is welded in the mounting groove, the supporting plate is a rectangular plate, and the supporting plate 4.3 is flatly welded on the long side of the supporting arm supporting plate; the isolation backing plate is a rectangular plate, the isolation backing plate is arranged on the supporting plate and is connected with the supporting plate through bolts, a boss structure 4.4a is arranged at one end of the isolation backing plate, and the boss structure can support and limit a certain side face when the top cover of the jacking vehicle body is lifted.
Three groups of penetrating bolt holes are sequentially formed in one end of the supporting upright post 12 along the height direction, check rings 8 are respectively sleeved at the upper and lower groups of bolt holes of the supporting upright post, matched bolt holes 10 are formed in the check rings, and the check rings are locked on the supporting upright post through bolts 9; the end face of the lower end retainer ring is provided with a second thrust ball bearing 11, the swing arm rotating sleeve is sleeved on the support upright post and is arranged between the upper retainer ring and the lower retainer ring, and the swing arm rotating sleeve can rotate along with the second thrust ball bearing; in addition, the swing arm rotary sleeve is provided with a bolt hole, the bolt hole on the swing arm rotary sleeve corresponds to the bolt hole in the middle group of the support upright posts, and a bolt is inserted in the bolt hole of the swing arm rotary sleeve to limit the rotation of the swing arm rotary sleeve.
It should be noted that, in this embodiment, all the pins are provided with limiting through holes, and after the pins are inserted into the pin holes, cotter pins are inserted into the limiting through holes of the pins.
Referring to fig. 8, the device of the present application includes mounting bases 6, the mounting bases are disposed in one-to-one correspondence with support pillars 12, the support pillars are inserted on the mounting bases, the mounting bases are disposed on a base fixture 15 for placing a vehicle body, the number of the mounting bases in this embodiment is four, two of the four mounting bases are one set, two of the two sets of mounting bases are respectively located on two opposite sides of the vehicle body in the length direction, and the two sets of mounting bases are symmetrically disposed; and two mounting bases of each group of mounting bases are also symmetrically arranged.
During operation, four control singles of this application device are located the double-phase offsides of automobile body respectively, will compress tightly cantilever subassembly and swing arm subassembly 7 rotatory to with the automobile body, pass swing arm swivel housing 7.4 and the bolt hole locking of supporting riser 12 with bolt 9, drive the pressure disk that compresses tightly the screw tip through revolving to twist and compress tightly the chassis of automobile body downwards, adjust supporting trailing arm 4 and reciprocate along the axial in the guide way mouth of swing arm supporting tube 7.1 through revolving to twist lifting screw 2, thereby drive the top cap of the automobile body of arranging on supporting trailing arm subassembly 4 and go up and down with the distance of adjusting the chassis of automobile body and top cap until reaching required size, and then effectual control automobile body height. When the work is finished, the supporting bracket arm 4 is lowered, the bolt 9 inserted in the swing arm rotating sleeve 7.4 is pulled out, the chassis pressing cantilever assembly 13 is loosened, the swing arm assembly and the chassis pressing cantilever assembly 13 are rotated to be separated from the vehicle body 14, and the work process is finished.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The adjustable height control device for the vehicle body is characterized by comprising at least two control single pieces, wherein each control single piece comprises a support upright post (12), a cantilever pressing component (13), a swing arm component (7) and a jacking bearing component; the supporting column is provided with a limiting part, one end of the swing arm assembly is rotatably sleeved on the limiting part of the supporting column, the other end of the swing arm assembly is provided with a jacking supporting assembly, and the jacking supporting assembly is used for supporting a top cover of the vehicle body.
2. The adjustable height control device for the vehicle body according to claim 1, wherein the supporting member is a limiting ring (12.1) fixedly sleeved on the supporting upright; the locating part is the retaining ring subassembly, and the retaining ring subassembly includes retaining ring (8), and the retaining ring cover is established on the support post, and the retaining ring passes through bolt (9) with support post (12) and fixes.
3. The adjustable height control device for the vehicle body according to claim 1, wherein the cantilever pressing assembly (13) comprises a pressing arm rotating sleeve (13.1), a cantilever plate (13.2), a pressing nut (13.3) and a screw assembly (13.4); cantilever plate one end in the outer wall connection of pressure arm rotary sleeve (13.1), cantilever plate's the other end and gland nut are connected, the internal diameter of pressure arm rotary sleeve and the external diameter phase-match of support post (12), on the support post was located to pressure arm rotary sleeve cover, screw rod subassembly included the screw rod, was equipped with the external screw thread that matches earlier with gland nut on the screw rod, and the screw rod is connected with gland nut screw-thread fit, and the one end of screw rod is equipped with pressure disk (13.5), and the other end of screw rod is equipped with auxiliary block (13.6).
4. An adjustable height control device for a vehicle body according to claim 1, wherein the swing arm assembly (7) comprises a swing arm support tube (7.1), a swing arm swivel (7.4) and a swing arm connection plate (7.5); one end of the swing arm connecting plate is connected with a swing arm rotating sleeve, the other end of the swing arm connecting plate is connected with a swing arm supporting pipe, the swing arm rotating sleeve is rotatably sleeved on the supporting upright post, and one end of the swing arm supporting pipe (7.1) is provided with a guide notch (7.1c) and a mounting opening (7.1d) which are overlapped like a cross; the guide notch and the mounting opening are used for mounting and jacking guide of the jacking support assembly.
5. The adjustable height control device for the vehicle body as claimed in claim 4, wherein the swing arm assembly further comprises a reinforcing tube (7.2), the inner diameter of the reinforcing tube matches with the outer diameter of the swing arm supporting tube (7.1), one end of the reinforcing tube is provided with a U-shaped opening (7.2b), the reinforcing tube is fixedly sleeved on the swing arm supporting tube, and the U-shaped opening of the reinforcing tube is correspondingly arranged at the guide slot opening and the mounting opening of the swing arm supporting tube.
6. The adjustable height control device for the vehicle body as claimed in claim 2, wherein three sets of bolt holes (10) are sequentially formed in one end of the supporting column (12) in the height direction, check rings are respectively sleeved at the upper and lower sets of bolt holes of the supporting column, matched bolt holes are formed in the check rings, the check rings are locked on the supporting column through bolts (9), a second thrust ball bearing (11) is arranged on the end face of the lower check ring, the swing arm rotary sleeve is sleeved on the supporting column, the swing arm rotary sleeve is arranged between the upper and lower sets of check rings, bolt holes are formed in the swing arm rotary sleeve, the bolt holes in the swing arm rotary sleeve correspond to the bolt holes in the middle set of the supporting column, and bolts are inserted in the bolt holes of the swing arm rotary sleeve.
7. The adjustable height control device for the vehicle body according to claim 1, wherein the jacking support assembly comprises an end bushing, a lifting screw, a support bracket and a locking chock; the end part shaft sleeve is arranged at the end part of the swing arm supporting pipe, a first thrust ball bearing is arranged in the end part shaft sleeve, the locking chock block (5) is arranged in the swing arm supporting pipe (7.1) through an end part mounting port (7.1d) of the swing arm assembly (7), a clamping groove is formed in the locking chock block, and a structure matched with the clamping groove is arranged at the end part of one end of the lifting screw rod; the supporting bracket arm is fixedly connected with a lifting nut, the supporting bracket arm is embedded in a guide notch of the swing arm supporting pipe, and the lifting nut is positioned in the swing arm supporting pipe; the lifting screw rod (2) sequentially penetrates through the first thrust ball bearing (3), the end part shaft sleeve (1), a lifting nut (4.1) in the supporting bracket arm and the locking chock block, and the end part of the lifting screw rod (2) is clamped into a clamping groove of the locking chock block; when the lifting screw (2) is screwed, the supporting bracket arm can be driven to move up and down along the axial direction in the guide notch of the swing arm supporting pipe (7.1), so that the jacking function is realized.
8. The adjustable height control device for the vehicle body as claimed in claim 7, wherein the end sleeve (1) is a cylindrical boss structure, the end sleeve is provided with a through hole for the lifting screw (2) to pass through, the small diameter end of the end sleeve is matched with the inner diameter of the swing arm supporting pipe, the end sleeve is embedded into the end of the swing arm supporting pipe through the small diameter end, the large diameter end of the end sleeve is larger than or equal to the outer diameter of the swing arm supporting pipe, the large diameter end of the end sleeve is provided with a sinking platform in which a thrust ball bearing can be embedded, and the sinking platform is provided with a first thrust ball bearing (3).
9. The adjustable height control device for vehicle bodies according to claim 8, wherein the support bracket comprises a bracket support plate (4.2) and a pallet (4.3); the supporting arm supporting plate (4.2) is a right-angle L-shaped bent plate, an avoidance notch (4.2b) and a mounting groove (4.2c) for mounting a lifting nut (4.1) are arranged on the short side of the supporting arm supporting plate, the side wall of the lifting nut is welded in the mounting groove, and the supporting plate (4.3) is horizontally welded on the long side of the supporting arm supporting plate; the isolation backing plate is arranged on the supporting plate, and one end of the isolation backing plate is provided with a boss structure (4.4 a).
10. The adjustable height control device for the vehicle body according to any one of claims 1 to 9, further comprising a mounting base (6), wherein the mounting base is arranged on a base tool (15) for placing the vehicle body, the number of the mounting base is the same as that of the control single pieces, the mounting base and the control single pieces are arranged in a one-to-one correspondence manner, and the support columns of the control single pieces are inserted on the mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020636701.5U CN212193045U (en) | 2020-04-24 | 2020-04-24 | Adjustable height control device for vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020636701.5U CN212193045U (en) | 2020-04-24 | 2020-04-24 | Adjustable height control device for vehicle body |
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| Publication Number | Publication Date |
|---|---|
| CN212193045U true CN212193045U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020636701.5U Active CN212193045U (en) | 2020-04-24 | 2020-04-24 | Adjustable height control device for vehicle body |
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| CN (1) | CN212193045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390853A (en) * | 2020-04-24 | 2020-07-10 | 湖南联诚轨道装备有限公司 | Adjustable height control device for vehicle body |
| CN111390853B (en) * | 2020-04-24 | 2024-06-04 | 湖南联诚轨道装备有限公司 | Height control device with adjustable be used for automobile body |
-
2020
- 2020-04-24 CN CN202020636701.5U patent/CN212193045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390853A (en) * | 2020-04-24 | 2020-07-10 | 湖南联诚轨道装备有限公司 | Adjustable height control device for vehicle body |
| CN111390853B (en) * | 2020-04-24 | 2024-06-04 | 湖南联诚轨道装备有限公司 | Height control device with adjustable be used for automobile body |
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