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CN116216495A - Stepless adjustment chassis lifting appliance - Google Patents

Stepless adjustment chassis lifting appliance Download PDF

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Publication number
CN116216495A
CN116216495A CN202310189794.XA CN202310189794A CN116216495A CN 116216495 A CN116216495 A CN 116216495A CN 202310189794 A CN202310189794 A CN 202310189794A CN 116216495 A CN116216495 A CN 116216495A
Authority
CN
China
Prior art keywords
block
arm
telescopic arm
telescopic
lifting appliance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310189794.XA
Other languages
Chinese (zh)
Inventor
黄正君
张华兵
涂杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miracle Automation Engineering Co Ltd
Original Assignee
Miracle Automation Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miracle Automation Engineering Co Ltd filed Critical Miracle Automation Engineering Co Ltd
Priority to CN202310189794.XA priority Critical patent/CN116216495A/en
Publication of CN116216495A publication Critical patent/CN116216495A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention relates to a stepless adjustment chassis lifting appliance. The invention comprises a top frame which is connected with an aerial track in a sliding way, and also comprises lifting appliance structures which are symmetrically arranged at two sides of the top frame, wherein each part of lifting appliance structure comprises: the suspension arm downwards extends to the top frame, a support arm longitudinally extends along the lower end of the suspension arm, and a hollow cavity arranged along the longitudinal length direction of the support arm is arranged on the support arm; the telescopic arm is connected in the hollow cavity in a sliding manner; the pressure adjusting component is connected to the supporting arm and comprises a movable slide block, a top block and a guide block, the movable slide block is connected to the supporting arm and is used for propping the guide block against the side end of the telescopic arm, the top block is connected to the movable slide block and is used for limiting the movable slide block to move, and the pressure of the guide block to the telescopic arm can be adjusted by adjusting the movable slide block, so that the friction force between the telescopic arm and the guide block when the telescopic arm stretches in the hollow cavity is adjusted; a front support assembly and a rear support assembly. The invention can adapt to automobile chassis of different vehicle types and improve the production efficiency.

Description

Stepless adjustment chassis lifting appliance
Technical Field
The invention relates to the technical field of vehicle body carriers, in particular to a stepless adjustment chassis lifting appliance.
Background
In the production process of the white car body, the white car body chassis can be lifted through the chassis lifting tool and then sequentially conveyed to corresponding stations. The existing chassis lifting appliances of different types are required to be used for supporting according to different vehicle types, and the single type lifting appliance cannot be flexibly suitable for simultaneous production of multiple vehicle types, so that the production efficiency is low and the cost is increased.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that different types of chassis lifting appliances are needed to support for different vehicle types in the prior art, a single type of lifting appliance cannot be flexibly suitable for simultaneous production of multiple vehicle types, the production efficiency is low and the cost is increased.
In order to solve the technical problems, the invention provides a stepless adjustment chassis lifting appliance, which comprises a top frame connected with an aerial track in a sliding way, and also comprises lifting appliance structures symmetrically arranged on two sides of the top frame, wherein each part of lifting appliance structure comprises:
the suspension arm downwards extends to the top frame, a supporting arm longitudinally extends along the lower end of the suspension arm, and a hollow cavity arranged along the longitudinal length direction of the supporting arm is arranged on the supporting arm;
the telescopic arm is connected in the hollow cavity in a sliding manner;
the pressure adjusting assembly is connected to the supporting arm and comprises a movable slide block, a top block and a guide block, wherein the movable slide block is connected to the supporting arm and abuts against the guide block at the side end of the telescopic arm, the top block is connected to the movable slide block and used for limiting the movable slide block to move, and the pressure of the guide block to the telescopic arm can be adjusted through adjusting the movable slide block, so that the friction force between the telescopic arm and the guide block when the telescopic arm stretches in the hollow cavity is adjusted;
the front support component is connected to one end, far away from the telescopic arm, of the support arm and is used for bearing a front vehicle body;
the rear support assembly is connected to the telescopic end of the telescopic arm and is used for bearing a rear vehicle body.
In one embodiment of the invention, the side end of the supporting arm is provided with a mounting plane, the mounting plane is provided with a mounting groove, the end face of the movable sliding block is extended to form a protruding block which extends into the mounting groove, the protruding block is provided with a limiting groove, a positioning hole is formed in the limiting groove, one part of the guiding block is matched with the limiting groove, the guiding block is connected with a positioning pin matched with the positioning hole, and the side end of the telescopic arm is provided with a guiding groove which is in sliding fit with the other part of the guiding block.
In one embodiment of the invention, the movable sliding block is provided with a vertically arranged adjusting waist hole, an adjusting bolt is connected in the adjusting waist hole, the guide block is connected to the installation plane through the adjusting bolt, and the pressure of the movable sliding block to the guide block can be adjusted through the adjusting bolt, so that the pressure between the guide block and the telescopic arm is adjusted.
In one embodiment of the invention, a top block bolt is arranged between the top block and the installation plane and is connected to the installation plane through the top block bolt, the top block is also connected with a limit screw, and one end of the limit screw is propped against the upper end face of the movable sliding block.
In one embodiment of the invention, the front support assembly comprises a support bracket connected to one end of the support arm far away from the telescopic arm, and the support bracket is connected with a front support pin for bearing a front positioning hole of the vehicle body.
In one embodiment of the invention, the rear supporting component comprises a mounting plate connected with the telescopic end of the telescopic arm, a guide seat connected with the mounting plate, a telescopic plate connected with the guide seat in a sliding manner and a screw rod component connected with the guide seat, wherein the screw rod component is used for driving the telescopic plate to slide in the guide seat along the direction perpendicular to the telescopic direction of the telescopic arm, the telescopic plate is connected with a rear supporting pin used for supporting a rear positioning hole of the vehicle body, and the mounting plate is connected with a supporting block used for supporting the guide seat.
In one embodiment of the invention, the screw rod assembly comprises a trapezoidal screw rod and a screw nut sleeved on the trapezoidal screw rod, an end cover is screwed at the tail end of the trapezoidal screw rod, a self-lubricating copper sleeve is arranged between the trapezoidal screw rod and the guide seat and is rotationally connected with the guide seat through the self-lubricating copper sleeve, and the screw nut is connected with the expansion plate.
In one embodiment of the invention, the trapezoidal screw is further connected with a half assembly, and the half assembly comprises two half sleeves clamped at the end parts of the trapezoidal screw through fixing bolts.
In one embodiment of the invention, one end of the hollow cavity of the supporting arm is also connected with a sealing plate, a traction bracket for stretching the telescopic arm is also connected between the telescopic arm and the mounting plate, the traction bracket is provided with a traction hole, and the bottom end of the telescopic arm is connected with a bottom supporting block at one side of the traction bracket.
In one embodiment of the invention, the bottom end of the supporting arm is provided with a fixed plate, the fixed plate is connected with a positioning assembly, the positioning assembly comprises a positioning sleeve, an adjusting block and an adjusting gasket, the positioning sleeve comprises a connecting plate connected with the fixed plate and a cross-shaped sleeve seat convexly arranged on the surface of the connecting plate, a sleeve hole is arranged in the center of the sleeve seat, the adjusting block is of an L-shaped structure and is connected with the fixed plate, and the positioning sleeve is connected with the adjusting block and is provided with the adjusting gasket with the adjusting block.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the stepless adjustment chassis lifting appliance, the pressure of the guide block on the telescopic arm can be adjusted through adjusting the movable sliding block, so that the friction force between the telescopic arm and the guide block when the telescopic arm stretches in the hollow cavity is adjusted, stepless adjustment of the length of the telescopic arm is realized, the stepless adjustment chassis lifting appliance can be suitable for automobile chassis of different automobile types, and the production efficiency is improved.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic diagram of the overall structure of the stepless adjustment chassis lifting appliance of the invention.
Fig. 2 is a schematic diagram of the boom structure of the present invention.
Fig. 3 is a schematic view of the pressure regulating assembly of the present invention.
Fig. 4 is a schematic view of another side structure of the pressure regulating assembly of the present invention.
Fig. 5 is a schematic view of the telescopic arm structure of the present invention.
Fig. 6 is a schematic view of the rear support assembly structure of the present invention.
Fig. 7 is a schematic view of the structure of the other side of the rear supporting assembly of the present invention.
Fig. 8 is a schematic view of the connection structure of the screw assembly of the present invention.
Fig. 9 is a schematic view of a traction frame of the present invention.
FIG. 10 is a schematic view of a positioning assembly connection of the present invention.
FIG. 11 is a schematic view of a positioning assembly of the present invention.
Description of the specification reference numerals: 1. a top frame; 2. a suspension arm; 21. a support arm; 211. a sealing plate; 212. a traction bracket; 213. a traction hole; 214. a bottom support block; 22. a hollow cavity; 23. a mounting plane; 24. a mounting groove; 3. a telescoping arm; 31. a guide groove; 4. a pressure regulating assembly; 41. a movable slide block; 411. a bump; 412. a limit groove; 413. positioning holes; 414. adjusting the waist hole; 415. an adjusting bolt; 42. a top block; 421. a top block bolt; 422. a limit screw; 43. a guide block; 431. a positioning pin; 5. a front support assembly; 51. a support frame; 52. a front support pin; 6. a rear support assembly; 61. a mounting plate; 62. a guide seat; 63. a telescoping plate; 64. a screw assembly; 641. a trapezoidal screw rod; 642. a nut; 643. an end cap; 644. self-lubricating copper bush; 645. a fixing bolt; 646. a half sleeve; 65. a rear support pin; 66. a support block; 7. a positioning assembly; 71. a fixing plate; 72. a positioning sleeve; 721. a connecting plate; 722. a sleeve seat; 723. trepanning; 73. an adjusting block; 74. and adjusting the gasket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
In the present invention, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present invention, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present invention, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the present invention, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1 to 11, the stepless adjusting chassis lifting appliance of the present invention comprises a top frame 1 slidably connected to an aerial track, wherein the top frame 1 is provided with pulleys, and further comprises lifting appliance structures symmetrically arranged at two sides of the top frame 1, each part of lifting appliance structure comprises:
the suspension arm 2 extends downwards to the top frame 1, a support arm 21 longitudinally extends along the lower end of the suspension arm 2, and the support arm 21 is provided with a hollow cavity 22 arranged along the longitudinal length direction of the support arm 21;
a telescopic arm 3, wherein the telescopic arm 3 is slidably connected in the hollow cavity 22;
the pressure adjusting assembly 4 is connected to the supporting arm 21, the pressure adjusting assembly 4 comprises a movable sliding block 41, a top block 42 and a guide block 43, the movable sliding block 41 is connected to the supporting arm 21 and abuts against the guide block 43 at the side end of the telescopic arm 3, the top block 42 is connected to the movable sliding block 41 and is used for limiting the movable sliding block 41 to move, the pressure of the guide block 43 to the telescopic arm 3 can be adjusted through adjusting the movable sliding block 41, and therefore the friction force between the telescopic arm 3 and the guide block 43 when stretching in the hollow cavity 22 is adjusted;
a front support assembly 5 connected to the end of the support arm 21 remote from the telescopic arm 3, the front support assembly 5 being for carrying a front vehicle body;
a rear support assembly 6 connected to the telescopic end of the telescopic arm 3, said rear support assembly 6 being adapted to carry the rear vehicle body.
Through the arrangement, the pressure of the guide block 43 to the telescopic arm 3 can be adjusted by adjusting the movable sliding block 41, so that the friction force between the telescopic arm 3 and the guide block 43 when stretching in the hollow cavity 22 is adjusted, and the stepless adjustment of the length of the telescopic arm 3 is realized.
In this embodiment, the boom 2 and the supporting arm 21 are welded by rectangular pipes, steel plates, etc., the telescopic arm 3 is made of high-strength custom aluminum alloy, and the surface of the telescopic arm is anodized, so that the telescopic arm is wear-resistant and high in strength, and can freely slide in the hollow cavity 22 of the boom 2 and contact with the guide block 43. The guide block 43 is made of CuZn25Al6Mn4 (brass) +graphite (Graphite) and can play a role in self-lubrication.
Specifically, referring to fig. 2-5, the side end of the supporting arm 21 is provided with a mounting plane 23, the mounting plane 23 is provided with a mounting groove 24, the end surface of the movable slider 41 extends with a protruding block 411 extending into the mounting groove 24, the protruding block 411 is provided with a limiting groove 412, a positioning hole 413 is formed in the limiting groove 412, a part of the guiding block 43 is matched with the limiting groove 412 and the guiding block 43 is connected with a positioning pin 431 matched with the positioning hole 413, and the side end of the telescopic arm 3 is provided with a guiding groove 31 slidably matched with another part of the guiding block 43.
Specifically, referring to fig. 4, the movable slider 41 is provided with a vertically arranged adjustment waist hole 414, the adjustment waist hole 414 is symmetrically arranged along the symmetrical cross section of the movable slider 41, an adjustment bolt 415 is connected in the adjustment waist hole 414, the guide block 43 is connected to the mounting plane 23 through the adjustment bolt 415, and the pressure of the movable slider 41 to the guide block 43 can be adjusted through the adjustment bolt 415, so that the pressure between the guide block 43 and the telescopic arm 3 is adjusted; a top block bolt 421 is arranged between the top block 42 and the installation plane 23 and is connected to the installation plane 23 through the top block bolt 421, the top block 42 is further connected with two limit screws 422, and one end of each limit screw 422 abuts against the upper end face of the movable slider 41.
Specifically, referring to fig. 9, the front support assembly 5 includes a support bracket 51 connected to the end of the support arm 21 remote from the telescopic arm 3, and the support bracket 51 is connected to a front support pin 52 for bearing a front positioning hole of the vehicle body.
Specifically, referring to fig. 6-8, the rear support assembly 6 includes a mounting plate 61 connected to the telescopic end of the telescopic arm 3, a guide holder 62 connected to the mounting plate 61, a telescopic plate 63 slidably connected to the guide holder 62, and a screw assembly 64 connected to the guide holder 62, where the screw assembly 64 is used to drive the telescopic plate 63 to slide in the guide holder 62 along a direction perpendicular to the telescopic direction of the telescopic arm 3, the telescopic plate 63 is connected with a rear support pin 65 for supporting a rear positioning hole of the vehicle body, and the mounting plate 61 is connected with a support block 66 for supporting the guide holder 62.
Specifically, referring to fig. 6-8, the screw assembly includes a trapezoidal screw 641 and a nut 642 sleeved on the trapezoidal screw 641, an end cover 643 is screwed at the tail end of the trapezoidal screw 641, a self-lubricating copper sleeve 644 is disposed between the trapezoidal screw 641 and the guide holder 62 and is rotatably connected to the guide holder 62 through the self-lubricating copper sleeve 644, and the nut 642 is connected to the expansion plate 63. The screw assembly has a self-locking function, and the end cover 643 is screwed on the tail of the trapezoidal screw 641, so that the screw 642 can be prevented from being separated from the trapezoidal screw 641.
Specifically, referring to fig. 8, the trapezoidal screw 641 is further connected to a half assembly, and the half assembly includes two half sleeves 646 clamped at the end of the trapezoidal screw 641 by fixing bolts 645, so as to fix the trapezoidal screw 641.
Specifically, referring to fig. 9 and 10, one end of the hollow cavity 22 of the support arm 21 is further connected with a sealing plate 211, and the sealing plate 211 can prevent foreign matters from entering the boom 2, so that the telescopic arm 3 is abnormal in expansion and contraction; a traction bracket 212 for stretching the telescopic boom 3 is also connected between the telescopic boom 3 and the mounting plate 61, the traction bracket 212 is provided with a traction hole 213, and an external switching device stretches the telescopic boom 3 through the traction hole 213; the bottom end of the telescopic boom 3 is connected with a bottom supporting block 214 at one side of the traction support 212, and at the switching station, the switching device can drag the bottom supporting block 214, so that the whole boom 2 is at a horizontal height, and the telescopic boom 3 moves more stably.
Specifically, referring to fig. 10 and 11, the bottom end of the supporting arm 21 is provided with a fixing plate 71, the fixing plate 71 is connected with a positioning assembly 7, the positioning assembly 7 includes a positioning sleeve 72, an adjusting block 73 and an adjusting pad 74, the positioning sleeve 72 includes a connecting plate 721 connected to the fixing plate 71 and a cross-shaped sleeve seat 722 protruding from the surface of the connecting plate 721, a sleeve hole 723 is provided in the center of the sleeve seat 722, the adjusting block 73 is in an L-shaped structure and is connected to the fixing plate 71, and the positioning sleeve 72 is connected to the adjusting block 73 and is provided with the adjusting pad 74 with the adjusting block 73. By providing the positioning assembly 7, the spreader can be fixed after assembly in place.
Through the arrangement, according to the required lifting vehicle type, the pressure of the guide block 43 to the telescopic arm 3 can be adjusted by adjusting the movable sliding block 41, so that the friction force between the telescopic arm 3 and the guide block 43 when the telescopic arm stretches in the hollow cavity 22 is adjusted, the stepless adjustment of the length of the telescopic arm 3 is realized, and the relative distance between the two rear supporting pins 65 is adjusted through the rear supporting component 6, so that the telescopic arm is flexible and convenient.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a stepless adjustment chassis hoist, includes sliding connection in overhead track's roof-rack (1), its characterized in that still includes the symmetry locate hoist structure of roof-rack (1) both sides, every part hoist structure includes:
the suspension arm (2), the suspension arm (2) extends downwards to the top frame (1), a support arm (21) longitudinally extends along the lower end of the suspension arm (2), and the support arm (21) is provided with a hollow cavity (22) arranged along the longitudinal length direction of the support arm;
the telescopic arm (3) is connected in the hollow cavity (22) in a sliding manner;
the pressure adjusting assembly (4) is connected to the supporting arm (21), the pressure adjusting assembly (4) comprises a movable sliding block (41), a top block (42) and a guide block (43), the movable sliding block (41) is connected to the supporting arm (21) and abuts the guide block (43) on the side end of the telescopic arm (3), the top block (42) is connected to the movable sliding block (41) and is used for limiting the movable sliding block (41) to move, the pressure of the guide block (43) to the telescopic arm (3) can be adjusted through adjusting the movable sliding block (41), and therefore the friction force between the telescopic arm (3) and the guide block (43) when the telescopic arm (3) stretches in the hollow cavity (22) is adjusted;
the front support assembly (5) is connected to one end, far away from the telescopic arm (3), of the support arm (21), and the front support assembly (5) is used for bearing a front vehicle body;
and the rear supporting component (6) is connected to the telescopic end of the telescopic arm (3), and the rear supporting component (6) is used for bearing a rear vehicle body.
2. The stepless adjustment chassis lifting appliance according to claim 1, wherein a mounting plane (23) is arranged at the side end of the supporting arm (21), a mounting groove (24) is formed in the mounting plane (23), a protruding block (411) extending into the mounting groove (24) is arranged on the end face of the movable sliding block (41), a limiting groove (412) is formed in the protruding block (411), a positioning hole (413) is formed in the limiting groove (412), a part of the guiding block (43) is matched with the limiting groove (412) and the guiding block (43) is connected with a positioning pin (431) matched with the positioning hole (413), and a guiding groove (31) in sliding fit with the other part of the guiding block (43) is formed in the side end of the telescopic arm (3).
3. The stepless adjustment chassis lifting appliance according to claim 2, wherein the movable sliding block (41) is provided with a vertically arranged adjustment waist hole (414), an adjustment bolt (415) is connected in the adjustment waist hole (414), the guide block (43) is connected to the installation plane (23) through the adjustment bolt (415), and the pressure of the movable sliding block (41) to the guide block (43) can be adjusted through the adjustment bolt (415), so that the pressure between the guide block (43) and the telescopic arm (3) is adjusted.
4. The stepless adjustment chassis lifting appliance according to claim 2, wherein a top block bolt (421) is arranged between the top block (42) and the installation plane (23) and is connected to the installation plane (23) through the top block bolt (421), the top block (42) is further connected with a limit screw (422), and one end of the limit screw (422) abuts against the upper end face of the movable slider (41).
5. A stepless adjustment chassis lifting appliance according to claim 1, characterized in that the front support assembly (5) comprises a support frame (51) connected to the end of the support arm (21) remote from the telescopic arm (3), the support frame (51) being connected with a front support pin (52) for carrying a front positioning hole of the vehicle body.
6. The stepless adjustment chassis lifting appliance according to claim 1, wherein the rear supporting component (6) comprises a mounting plate (61) connected with the telescopic end of the telescopic arm (3), a guide seat (62) connected with the mounting plate (61), a telescopic plate (63) connected with the guide seat (62) in a sliding manner and a screw rod component (64) connected with the guide seat (62), the screw rod component (64) is used for driving the telescopic plate (63) to slide in the guide seat (62) along the direction perpendicular to the telescopic direction of the telescopic arm (3), the telescopic plate (63) is connected with a rear supporting pin (65) for supporting a rear positioning hole of the vehicle body, and the mounting plate (61) is connected with a supporting block (66) for supporting the guide seat (62).
7. The stepless adjustment chassis lifting appliance according to claim 6, wherein the screw assembly comprises a trapezoidal screw rod (641) and a screw nut (642) sleeved on the trapezoidal screw rod (641), an end cover (643) is screwed at the tail end of the trapezoidal screw rod (641), a self-lubricating copper sleeve (644) is arranged between the trapezoidal screw rod (641) and the guide seat (62) and is rotationally connected with the guide seat (62) through the self-lubricating copper sleeve (644), and the screw nut (642) is connected with the expansion plate (63).
8. The stepless adjustment chassis lifting appliance of claim 7, wherein the trapezoidal screw (641) is further connected with a half assembly, and the half assembly comprises two half sleeves (646) clamped at the end part of the trapezoidal screw (641) through fixing bolts (645).
9. The stepless adjustment chassis lifting appliance according to claim 6, wherein one end of the hollow cavity (22) of the supporting arm (21) is further connected with a sealing plate (211), a traction bracket (212) for stretching the telescopic arm (3) is further connected between the telescopic arm (3) and the mounting plate (61), the traction bracket (212) is provided with a traction hole (213), and a bottom support block (214) is connected to the bottom end of the telescopic arm (3) and at one side of the traction bracket (212).
10. The stepless adjustment chassis lifting appliance according to claim 1, wherein the bottom end of the supporting arm (21) is provided with a fixed plate (71), the fixed plate (71) is connected with a positioning assembly (7), the positioning assembly (7) comprises a positioning sleeve (72), an adjusting block (73) and an adjusting gasket (74), the positioning sleeve (72) comprises a connecting plate (721) connected to the fixed plate (71) and a cross-shaped sleeve seat (722) protruding on the surface of the connecting plate (721), a sleeve hole (723) is formed in the center of the sleeve seat (722), the adjusting block (73) is of an L-shaped structure and is connected to the fixed plate (71), and the positioning sleeve (72) is connected to the adjusting block (73) and the adjusting gasket (74) is arranged between the adjusting block (73).
CN202310189794.XA 2023-03-01 2023-03-01 Stepless adjustment chassis lifting appliance Pending CN116216495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310189794.XA CN116216495A (en) 2023-03-01 2023-03-01 Stepless adjustment chassis lifting appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310189794.XA CN116216495A (en) 2023-03-01 2023-03-01 Stepless adjustment chassis lifting appliance

Publications (1)

Publication Number Publication Date
CN116216495A true CN116216495A (en) 2023-06-06

Family

ID=86578300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310189794.XA Pending CN116216495A (en) 2023-03-01 2023-03-01 Stepless adjustment chassis lifting appliance

Country Status (1)

Country Link
CN (1) CN116216495A (en)

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