CN103601095A - Movable rocking handle lifting mechanism - Google Patents

Abstract

The invention relates to a mobile rocker lifting mechanism, which includes a bracket, the bracket has a bottom plate, and several upright columns are vertically placed on the bottom plate, and a support platform is set in the middle of the upright column; the upright column is a hollow body, and a lifting platform is arranged on the top, and the lifting platform includes The platform and several guide pillars arranged at the bottom of the platform. The guide pillars are inserted into the hollow of the pillars and form a sliding fit with them; a lifting mechanism is provided on the supporting platform, and a push rod is arranged between the lifting end of the lifting mechanism and the platform. The invention has low labor intensity, can be operated by a single person, and is especially easy to control the height and has high stability.

Description

Mobile rocker lifting mechanism

technical field

The invention relates to an auxiliary equipment for assembly and disassembly of chassis parts of an automobile, in particular to a mobile rocker lifting mechanism for assembly and disassembly of chassis parts. the

Background technique

At present, in automobile disassembly workshops and trial production workshops, the assembly of chassis parts is usually carried out manually or with auxiliary tools. When assembling heavy parts (such as engines, transmissions, etc.), manual methods are difficult to locate and disassemble without support. technical problems; use auxiliary tools, use iron brackets to support the parts that need to be disassembled, and adjust the height of the elevator to achieve assembly positioning and support, but it is not easy to directly control the height of the required parts, resulting in positioning during assembly No, there is a risk that the iron bracket will overturn the vehicle during disassembly, and disassembly by one person cannot be achieved. This just causes the work of dismantling personnel to be loaded down with trivial details, has potential safety hazard, has a strong impact on its working efficiency simultaneously. Some inventors have proposed a public technology called "Full-automatic multi-function lifting maintenance vehicle" (notification number: CN2550221), which consists of a flat upper body and a flat lower body parallel to each other, and the upper and lower bodies are arranged between the upper body and the lower body. The lower body plate is vertical to the lifting guide rod. The lifting guide rod is two concentric tubes nested together. The inner diameter of the outer tube is the same as the outer diameter of the inner tube. The outer tube is connected to the lower body, the inner tube is connected to the upper body, and the lower body is equipped with rollers. ; The disclosed technology can realize the convenient disassembly of the motor vehicle chassis, does not need manual handling, and has low labor intensity. However, there are some deficiencies, such as high labor intensity, difficult one-person operation, especially difficult to directly control the height of the required parts, resulting in inaccurate positioning during assembly and insufficient stability. the

Contents of the invention

The main purpose of the present invention is to provide a mobile rocker lifting mechanism with low labor intensity and insufficient stability.

The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: a mobile rocker lifting mechanism, including a bracket, characterized in that: the bracket has a bottom plate, and several uprights are erected on the bottom plate, and the uprights A support platform is set in the middle; the column is a hollow body, and a lifting platform is provided on the top thereof, and the lifting platform includes a platform and a plurality of guide columns arranged at the bottom of the platform, and the guide columns are inserted into the hollow of the column and form a sliding fit with it; The supporting platform is provided with a lifting mechanism, and a push rod is provided between the lifting end of the lifting mechanism and the platform. The lifting platform is driven by the lifting mechanism to realize the lifting function. The lifting operation is stable, and the lifting mechanism can control the speed of the major general. When approaching the target, it can slow down to avoid collisions and damage parts on the chassis of the car, and the lifting platform There will be no sudden drop, and the safety performance is good; in addition, the use of a lifting mechanism can reduce labor intensity, and the height of each lifting can be controlled by marking and other measures to improve the stability of repeated operations.

As a preference, the lifting mechanism includes a base, a top seat, an adjustment rod and two rotating arms, and the two rotating arms are oppositely arranged on both sides of the base and the top seat; the rotating arms are composed of two connecting rods, two One end of the connecting rod forms a rotational connection through a rotating shaft, and the other end is hinged to the base and the top seat respectively; The rotating shafts passing through the two rotating arms respectively form threaded connections with the rotating shafts. This two-section threaded connecting rod structure enables the two rotating arms to move synchronously to control the lifting, the lifting stability is reliable, and the space for expansion and contraction is large, and it has a high jacking height. In addition, the threaded connection between the connecting rod and the rotating shaft is easy to realize the self-locking of the lifting mechanism, it is easy to control the support and positioning of the lifting platform, and it is more convenient for the operator to assemble and disassemble.

Preferably, the cross section of the connecting rod of the pivoting arm is U-shaped. It has high strength and low overall weight, especially the hollow part in the middle, which leaves more space for the connecting rod and further reduces the overall volume.

Preferably, an adjustment part is provided at one end of the adjustment rod, and the adjustment part is a flat body with a hole in the middle. The adjustment part is a flat body, which can be operated with an open-end wrench; the hole in the flat body can be inserted into the handle.

As an option, a U-shaped groove is arranged at the end of the adjustment part, and the two ends of the groove pass through both sides of the adjustment part 23. An operating rod that can swing in the groove is arranged in the groove, and the operating rod is fixed in the groove by a rotating pin. A pin hole corresponding to the revolving pin is opened on the top; several fixing seats are set on the column of the bracket. The whole or the top of the fixing seat can rotate relative to the column. The top of the fixing seat is provided with a card slot that is compatible with the operating rod, and the side wall of the card slot is elastic. body; when the operating rod is aligned with the card slot and pressed in, the two sides of the card slot are opened, and after the operating rod slides into the card slot, the two side walls of the slot reset and block the operating rod.

Preferably, casters are provided at the bottom of the support. The casters can be moved, and the lifting mechanism can be adjusted up and down to realize the accurate positioning of parts assembly and convenient assembly, so as to further reduce labor intensity, improve the convenience of operation, and realize single-person operation.

In order to facilitate the control of the jacking height and improve production efficiency; as a preference, the ejector rod is a two-stage structure that is socketed and relatively slidable, and a U-shaped groove is arranged on the circumferential surface of the outer casing section at the connecting part of the two sections , the U-shaped groove runs through the side wall, and the notches of the hook grooves at both ends are set perpendicular to the centerline of the outer sleeve section; on the circumference of the inner sleeve section corresponding to the U-shaped groove, a groove that can pass through the U-shaped groove and slide along the groove is provided. pins. The top of the column pin moves along the U-shaped groove and rests on different hook grooves, so that the column can form two overall heights; with this structure, the overall height of the column can be changed first by using the U-shaped groove, and then the lifting mechanism can be used to fine-tune the lifting mechanism. The platform is adjusted to the target position. In this way, the adjustment speed is fast and it is convenient to improve production efficiency.

In order to further improve the speed and accuracy of adjustment, as a preference, several horizontal grooves are arranged in the middle section of the bottom of the U-shaped groove. Slide the inner sleeve section so that the pin of the inner sleeve section can be fixed in one of the horizontal grooves, and more precisely control the overall length of the column, that is, control the height of adjustment.

Therefore, the present invention has low labor intensity, can be operated by a single person, is especially easy to control the height, and has high stability.

Description of drawings

Accompanying drawing 1 is axonometric view of the present invention.

Accompanying drawing 2 is a kind of structural representation of the present invention.

Accompanying drawing 3 is a kind of structural representation of lifting mechanism.

Accompanying drawing 4 is a kind of structural representation of lifting platform.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment: The mobile rocker lifting mechanism of the present invention, as shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 4, it comprises support 3, and support 3 has base plate 33, and base plate 33 is vertically provided with several upright columns arranged in parallel 31, a support platform 32 is set in the middle of the column 31; the column 31 is a hollow body, and the top is provided with a lifting platform 1, and the lifting platform 1 includes a platform 11 and several guide columns 12 located at the bottom of the platform 11, and the guide columns 12 are inserted The hollow of the column 31 forms a sliding fit with it; the supporting platform 32 is provided with a lifting mechanism 2 , and a push rod 5 is provided between the lifting end of the lifting mechanism and the platform 11 . The bottom of the bracket 3 is provided with casters 4 .

As shown in accompanying drawing 3, elevating mechanism 2 comprises base 25, top seat 26, adjustment bar and two pairs of pivoting arms 21, and two pairs of pivoting arms 21 are relatively arranged on both sides of base 25 and top seat 26; 21 is made of two connecting rods, one end of the two connecting rods forms a rotating connection through the rotating shaft 22, and the other end is hinged to the base 25 and the top seat 26 respectively; The screw threads of the segments have opposite directions, and the two screw segments of the rod body respectively pass through the rotating shafts 22 of the two rotating arms 21 to form threaded connections with the rotating shafts 22 . The cross section of the connecting rod of the rotating arm 21 is U-shaped. One end of the adjusting rod is provided with an adjusting portion 23, and the other end is a tail portion 24; the adjusting portion 23 is a flat body with a hole in the middle.

As an option, a U-shaped groove is arranged at the end of the regulating part 23, and the two ends of the groove pass through both sides of the regulating part 23. An operating rod that can swing in the groove is arranged in the groove, and the operating rod is fixed in the groove by a rotating pin. A pin hole corresponding to the revolving pin is opened on the wall; on the column 31 of the bracket, several fixing seats are arranged, the whole or the top of the fixing seat can rotate relative to the column, the top of the fixing seat is provided with a draw-in groove adapted to the operating rod, and the side wall of the draw-in groove It is an elastic body; when the operating rod is aligned with the card slot and pressed in, the two sides of the card slot will open, and after the operating rod slides into the card slot, the two side walls of the slot will reset and block the operating rod.

As an optional optimization scheme, the ejector rod 5 is a two-stage structure that is socketed and can slide relatively. At the connecting part of the two sections, a U-shaped groove is arranged on the circumferential surface of the outer casing section, and the U-shaped groove runs through the side. On the wall, the notches of the hook grooves at both ends are arranged perpendicular to the center line of the outer jacket section; on the circumference of the inner jacket section corresponding to the U-shaped groove, a pin that can pass through the U-shaped groove and slide along the groove is arranged. A plurality of transverse grooves are arranged in the middle section of the bottom of the U-shaped groove, and the horizontal grooves have the same direction and the same groove width as the grooves at both ends of the U-shaped groove.

When in use, move the whole body to the working position, that is, the bottom of the car; the lifting mechanism rotates the adjustment part 23 by the rocker or the handle, and the adjustment rod rotates to make the two pairs of rotating arms move closer together to form a jacking action. When the lifting platform reaches the height requirement, stop the jacking. upgrade operation. In this way, it is convenient for personnel to operate by hand.

The patent of the invention is a tool used in automobile disassembly workshops, trial production workshops and other places to assemble parts with heavy weight (such as engines, transmissions, etc.), provide positioning during assembly, and provide support when disassembling auto parts. It can solve the technical problem that the chassis parts of the vehicle on the lift are difficult to be positioned and dismantled without support. The mobile rocker lifting mechanism has high stability and popularization significance.

Claims (8)

1. a portable rocking handle lifting mechanism, comprises support (3), it is characterized in that: described support (3) has base plate (33), the upper perpendicular some root posts (31) that are equipped with of base plate (33), and column (31) middle part arranges support platform (32); Described column (31) is ducted body, its top is provided with lifting table (1), the some guide pillars (12) that lifting table (1) comprises platform (11) and is located at platform (11) bottom, also form with it bearing fit in the air in guide pillar (12) insertion column (31); Described support platform (32) is provided with lifting mechanism (2), between the jacking end of lifting mechanism and platform (11), is provided with push rod (5).

2. portable rocking handle lifting mechanism according to claim 1, it is characterized in that: described lifting mechanism (2) comprises base (25), footstock (26), adjust bar and two secondary pivoted arms (21), two secondary pivoted arms (21) are relatively arranged on base (25) and footstock (26) both sides; Described pivoted arm (21) consists of two connecting rods, one end of two connecting rods by rotating shaft (22), form be rotationally connected, the other end is articulated with respectively base (25) and footstock (26); Adjust bar is rhabodoid, and one section of outside thread is respectively established at body of rod two ends, and two sections of thread rotary orientations are contrary, and the body of rod two thread segments form and are threaded with rotating shaft (22) respectively through the rotating shaft (22) of two pivoted arms (21) respectively.

3. portable rocking handle lifting mechanism according to claim 2, is characterized in that: the cross-sectional plane of the connecting rod of pivoted arm (21) is U-shaped.

4. portable rocking handle lifting mechanism according to claim 2, is characterized in that: adjust bar one end arranges adjusting portion (23), and this adjusting portion (23) is segment, and middle part is provided with hole.

5. according to the portable rocking handle lifting mechanism described in claim 2 or 3 or 4, it is characterized in that: adjusting portion 23 ends arrange U-shaped groove, groove two ends connect adjusting portion 23 both sides, the control lever that can swing in groove is set in groove, control lever is fixed in groove by shipping and reselling on another market, and opens and the corresponding pin-and-hole of shipping and reselling on another market on groove sidewall; On the column 31 of support, several permanent seats are set, permanent seat integral body or top can be rotated relative to column, and the draw-in groove with control lever adaptation is offered on permanent seat top, and draw-in groove sidewall is elastic body.

6. according to the portable rocking handle lifting mechanism described in claim 1 or 2 or 3 or 4, it is characterized in that: described support (3) bottom is provided with castor (4).

7. according to the portable rocking handle lifting mechanism described in claim 1 or 2 or 3 or 6, it is characterized in that: described push rod (5) is two sectional type structure socket and can relative sliding, connecting portion at two sections, on the periphery of overcoat section, U-lag is set, this U-shaped groove connects sidewall, hook groove notch trend and vertical setting of overcoat section line of centers at two ends; On the inner sleeve section circumference of U-shaped groove correspondence position, setting can be through U-shaped groove the pin that can slide along groove.

8. portable rocking handle lifting mechanism according to claim 7, is characterized in that: U-shaped groove bottom land stage casing arranges several horizontal grooves, and this horizontal groove moves towards identical with the groove at U-shaped groove two ends, groove width is identical.

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