CN113264483B

CN113264483B - Assembled working platform

Info

Publication number: CN113264483B
Application number: CN202110717811.3A
Authority: CN
Inventors: 谢仁军; 顾明明; 陆进添
Original assignee: Sany Palfinger Special Vehicle Equipment Co Ltd
Current assignee: Sany Palfinger Special Vehicle Equipment Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2024-05-28
Anticipated expiration: 2041-06-28
Also published as: CN113264483A

Abstract

The invention provides an assembled working platform, and belongs to the technical field of mechanical operation equipment. The assembled working platform comprises a platform chassis, a lower upright post, an upper guardrail, a support column and a pair of auxiliary arms, wherein the upper guardrail comprises two split guardrails, the two split guardrails are suitable for being detachably connected with the platform chassis through the lower upright post respectively, one ends of the two split guardrails are suitable for being detachably connected through a second connecting piece, the lower upright posts are respectively distributed at corners of the platform chassis, the support column is suitable for being arranged between the other ends of the two split guardrails and is detachably connected with the split guardrails, the bottom end of the support column is suitable for being detachably connected with the platform chassis, and the auxiliary arm is arranged at the top end of the support column and is used for being connected with a vehicle body. The assembled working platform is convenient to transport, disassemble and replace.

Description

Assembled working platform

Technical Field

The invention relates to the technical field of mechanical operation equipment, in particular to an assembled working platform.

Background

The existing vehicle-mounted working platform usually adopts an integral welding mode, and if one or some parts of the working platform are damaged, the platform can only be detached and replaced integrally, so that the cost is high and the detachment is complex. Meanwhile, the working platform is of an external frame type, so that the working platform is large in appearance volume, small in effective transportation volume and high in cost.

Disclosure of Invention

The invention aims to solve the problem that when one or some parts of the existing vehicle-mounted working platform are damaged, the platform can only be detached and replaced integrally.

In order to solve the problems, the invention provides an assembled working platform, which comprises a platform underframe, a lower upright post, an upper guardrail, support columns and auxiliary arms, wherein the upper guardrail comprises two split guardrails, the two split guardrails are suitable for being detachably connected with the platform underframe through the lower upright post respectively, one ends of the two split guardrails are suitable for being detachably connected through a second connecting piece, the lower upright posts are respectively distributed at corners of the platform underframe, the support columns are suitable for being arranged between the other ends of the two split guardrails and are detachably connected with the split guardrails, the bottom ends of the support columns are suitable for being detachably connected with the platform underframe, the auxiliary arms are arranged at the top ends of the support columns, and the auxiliary arms are used for being connected with a vehicle body.

Further, the platform chassis comprises a middle platform and side platforms, wherein the two side platforms are respectively located at two sides of the width direction of the middle platform, and the two side platforms are both suitable for overturning relative to the middle platform, the lower upright post is detachably connected with the side platforms, and the bottom ends of the support posts are detachably connected with the middle platform.

Further, the split guardrail comprises a fixed part, a first movable part and a second movable part, the bottoms of the two fixed parts are suitable for being detachably connected with the platform underframe through the lower upright post respectively, the first movable part and the second movable part are hinged with two ends of the fixed part opposite to each other in the horizontal direction respectively, the two first movable parts are suitable for being detachably connected through the second connecting piece, and the support column is suitable for being arranged between the two second movable parts and is detachably connected with the second movable part.

Further, the bottom of the lower upright post is connected with the platform chassis through a pin shaft, a clamp is arranged at the top end of the lower upright post, a positioning lock tongue is arranged at the bottom of the fixing part, and the clamp is suitable for extending into the positioning lock tongue from the upper part so as to limit the fixing part to move in the vertical direction.

Further, a limiting block is arranged on the platform underframe and used for preventing the lower upright post from inclining, a U-shaped block with an upward opening is further arranged on the lower upright post and used for allowing at least part of the positioning lock tongue to be inserted so as to limit the movement of the positioning lock tongue in the horizontal direction.

Further, the support column comprises a plurality of hollow support columns, each support column is suitable for being sleeved with each other and moving along the vertical direction, two adjacent support columns are respectively provided with a locking pin hole and a locking pin fixing structure so as to fix the two adjacent support columns, the bottom end of the support column at the bottommost part is detachably connected with the platform underframe, the support column at the topmost part is connected with the auxiliary arm, and the support column corresponding to the second movable part is suitable for being detachably connected with the second movable part.

Further, the bottom ends of the rear walls of the struts above the two adjacent struts are provided with movable slide block structures, each movable slide block structure comprises a slide block nut, a slide block bolt and a rear slide block, the slide block nuts are connected with the struts above, the slide block bolts are in threaded connection with the slide block nuts, and the rear slide blocks are suitable for extending into the struts above and propping against the rear walls of the struts below the adjacent struts under the screwing of the slide block bolts; a front sliding block is arranged on the inner side of the bottom end of the front wall of the pillar positioned above of the two adjacent pillars, and is abutted with the front wall of the pillar positioned below; and side sliding blocks are arranged on the inner sides of the bottom ends of the side walls of the adjacent two support posts, which are positioned above, respectively, and are abutted with the side walls of the support posts adjacent below.

Further, the bottom end of the support column at the bottommost part is connected with the platform underframe through a pin shaft, a shaft hole is formed in the side wall of the support column corresponding to the second movable part, the shaft hole is a through hole with a wide upper part and a narrow lower part, a clamping shaft is arranged on the second movable part and comprises a clamping shaft body and a clamping block, the clamping block is arranged at one end, far away from the second movable part, of the clamping shaft body, the clamping shaft is suitable for being inserted from the upper end of the shaft hole, and when the clamping shaft is arranged at the lower end of the shaft hole, the lower end of the shaft hole is used for limiting the movement of the clamping block in the horizontal direction; the second movable part is also provided with a guide mechanism, the guide mechanism is provided with a bolt, the bolt is suitable for being inserted into the upper end of the shaft hole under the guide of the guide mechanism, the bolt is sleeved with a spring, and the spring is suitable for extruding the bolt to the upper end of the shaft hole.

Further, the lockpin fixed knot constructs including connecting portion, fixed cover, movable pin, spin button and draw-in lever, connecting portion install on the pillar, fixed cover with the connecting portion is fixed, the helicla flute has been seted up on the fixed cover surface, the draw-in groove has been seted up to the one end of helicla flute, the one end of movable pin runs through connecting portion and with the spin button is connected, the surface fixation of movable pin has the draw-in lever, the movable pin is arranged in the fixed cover, the draw-in lever is suitable for remove in the helicla flute, works as the draw-in lever with the draw-in groove buckle is connected, the movable pin is kept away from the one end of spin button stretches into in the lock pinhole.

Further, the top of auxiliary arm with the top of support column articulates, the top of support column is equipped with the hydro-cylinder, the tip of the piston rod of hydro-cylinder with the auxiliary arm articulates, the bottom of auxiliary arm is provided with fixed breach, fixed breach is used for supplying the fixed axle of outside transport vechicle to put into, fixed breach department still articulates there is spacing support, spacing support is used for under the action of gravity with fixed breach is closed, so as to prevent the fixed axle shifts out fixed breach.

Compared with the prior art, the assembly type working platform provided by the invention has the following technical effects:

The split guardrail is detachably connected with the platform underframe through the lower upright post, the detachable connection between the upper guardrail and the platform underframe is further realized, the bottom end of the support column is detachably connected with the platform underframe, the support column is arranged between the other ends of the two split guardrails and is detachably connected with the split guardrail, the stability of the upper guardrail can be enhanced, correspondingly, the stability of the support column is also enhanced, the auxiliary arm is arranged at the top end of the support column, and further the auxiliary arm can be connected with an external vehicle body through the auxiliary arm, so that the assembled working platform is suspended in the high air for operation under the action of the vehicle body, and through the detachable connection among all parts, when individual parts are damaged, only the parts are required to be detached and replaced, the whole replacement is not required, and the cost is saved. In addition, through the detachable connection of each part, the movable transportation of also being convenient for reduces the cost of transportation.

Drawings

FIG. 1 is a schematic block diagram of an assembled work platform according to an embodiment of the present invention;

FIG. 2 is a schematic block diagram of a platform chassis in a collapsed state according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a fixing portion connected to a lower column according to an embodiment of the present invention;

FIG. 4 is a schematic block diagram of the connection of the bottommost strut to the upper rail and platform chassis of an embodiment of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a front cross-sectional view of an adjacent strut connection in accordance with an embodiment of the present invention;

FIG. 7 is a side cross-sectional view of an adjacent strut connection in accordance with an embodiment of the present invention;

FIG. 8 is a side view of a latch securing structure according to an embodiment of the present invention;

FIG. 9 is a side view of the connection of the topmost strut with the sub-arm of an embodiment of the invention;

FIG. 10 is a cross-sectional view at B in FIG. 9;

FIG. 11 is a diagram illustrating a tool recess according to an embodiment of the present invention.

Reference numerals illustrate:

The hydraulic power steering mechanism comprises a 1-platform chassis, 11-middle platform, 111-first pin shaft, 112-second pin shaft, 113-third pin shaft, 114-crescent groove, 12-side platform, 121-limited block, 13-crashproof plate, 14-hanging hole, 2-lower upright, 21-clamp, 22-U-shaped block, 3-supporting column, 31-supporting column, 311-locking pin hole, 312-locking pin fixing structure, 3121-connecting part, 3122-fixing sleeve, 3123-movable pin, 3124-rotary button, 3125-clamping rod, 3126-spiral groove, 313-movable sliding block structure, 3131-sliding block nut, 3132-sliding block bolt, 3133-rear sliding block, 314-front sliding block, 315-side sliding block, 316-shaft hole, 4-auxiliary arm, 41-fixing notch, 42-limited bracket, 43-push rod, 44-locking spring, 5-split guardrail, 51-fixing part, 511-positioning lock tongue, 512-baffle, 52-first movable part, 53-second movable part, 531-clamping shaft, 5311-clamping block, 5331-guiding mechanism, 3133-guiding mechanism, 41-fixing notch, 41-fixing pin, 512-fixing pin, 52-sliding block, 53-second sliding part, and bolt, and 54-connecting tool, and 54-connecting parts.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements 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.

Moreover, in the drawings, the Z axis represents vertical, i.e., up and down, and the positive direction of the Z axis (i.e., the arrow of the Z axis points) represents up, and the negative direction of the Z axis (i.e., the direction opposite to the positive direction of the Z axis) represents down; the X-axis in the drawing represents the longitudinal direction, i.e., the front-to-back position, and the positive direction of the X-axis (i.e., the arrow pointing along the X-axis) represents the front, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the rear; the Y-axis in the drawing represents the horizontal direction, i.e., the left-right position, and the positive direction of the Y-axis (i.e., the arrow of the Y-axis points) represents the left, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) represents the right.

It should also be noted that the foregoing Z, X, Y axes are presented for purposes of facilitating description and simplifying the description only, and are not meant to indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

Referring to fig. 1, 2 and 3, an assembled working platform according to an embodiment of the present invention includes a platform chassis 1, a lower upright 2, an upper guardrail, a support column 3 and an auxiliary arm 4, wherein two split guardrails 5 are adapted to be detachably connected with the platform chassis 1 through the lower upright 2, one ends of the two split guardrails 5 are adapted to be detachably connected through a second connecting piece 54, the lower upright 2 is respectively distributed at corners of the platform chassis 1, the support column 3 is adapted to be placed between the other ends of the two split guardrails 5 and is detachably connected with the split guardrails 5, the bottom end of the support column 3 is adapted to be detachably connected with the platform chassis 1, and the auxiliary arm 4 is disposed at the top end of the support column 3, and the auxiliary arm 4 is adapted to be connected with a vehicle body.

Here, the split guardrail 5 is detachably connected with the platform chassis 1 through the lower upright post 2, and then the detachable connection between the upper guardrail and the platform chassis 1 is realized, the bottom end of the support column 3 is detachably connected with the platform chassis 1, the support column 3 is arranged between the other ends of the two split guardrails 5 and is detachably connected with the split guardrails 5, the stability of the upper guardrail can be enhanced, correspondingly, the stability of the support column 3 is also enhanced, the auxiliary arm 4 is arranged at the top end of the support column 3, and then the auxiliary arm 4 can be connected with an external vehicle body through the auxiliary arm 4, so that the assembled working platform is suspended in the high air for operation under the action of the vehicle body, and only the part is required to be detached and replaced when individual parts are damaged through the detachable connection among the parts, so that the whole replacement is not required, and the cost is saved. In addition, through the detachable connection of each part, the movable transportation of also being convenient for reduces the cost of transportation.

Optionally, the split guardrail 5 includes a fixed portion 51, a first movable portion 52 and a second movable portion 53, bottoms of the two fixed portions 51 are adapted to be detachably connected to the platform chassis 1 through the lower upright 2, the first movable portion 52 and the second movable portion 53 are respectively hinged to two ends (a front end and a rear end) of the fixed portion 51 opposite to each other in a horizontal direction, the two first movable portions 52 are adapted to be detachably connected through a second connecting member 54, and the support column 3 is adapted to be placed between the two second movable portions 53 and detachably connected to the second movable portions 53.

Here, by folding the first movable portion 52 and the second movable portion 53 together with the fixed portion 51, the occupied volume at the time of transportation is further reduced.

It can be appreciated that the two first movable parts 52 are connected and fixed together through the second connecting piece 54, so that the two split guardrails 5 form a closed working environment, and the safety of workers is ensured.

Alternatively, the second connecting member 54 may be a C-shaped pipe fitting, through which the rails of the two first movable portions 52 are sleeved, and then the rails of the two first movable portions 52 are respectively connected with the C-shaped pipe fitting through bolts or other quick-release members, so as to fix the two first movable portions 52.

Alternatively, the first movable portion 52 and the fixed portion 51 may be hinged together by a hinge or a plurality of vertically arranged hinges, as may the second movable portion 53.

Optionally, the front and rear sides of the fixed portion 51 are provided with a baffle 512, and the baffle 512 is used for limiting the first movable portion 52 and the second movable portion 53 not to rotate outwards, so that it is ensured that the two first movable portions 52 are not opened outwards, and the construction safety of internal staff is further improved.

Optionally, the platform chassis 1 is uniformly provided with a plurality of slot structures, and through the slot structures, the weight of the platform chassis 1 can be reduced, and the water draining function can be achieved.

Optionally, the folded plate bent upwards is arranged on the periphery of the platform chassis 1, so that a protective effect can be achieved, for example, when a constructor moves on the platform chassis 1, when the constructor touches the folded plate, the edge position of the platform chassis 1 is indicated, and the constructor is prevented from moving to an external suspension position.

Optionally, the bottom of the platform chassis 1 is further provided with an anti-collision plate 13, so that a buffering effect is achieved when the platform chassis descends to contact the ground, and a buffering protection effect is achieved on the working platform and constructors above the working platform.

Referring to fig. 1 and 2, alternatively, the platform chassis 1 includes a middle platform 11 and side platforms 12, two side platforms 12 are respectively located at two sides (left side and right side) of the middle platform 11 in the width direction, and two side platforms 12 are adapted to be turned over relative to the middle platform 11, wherein the lower upright 2 is detachably connected to the side platforms 12, and the bottom ends of the support columns 3 are detachably connected to the middle platform 11.

Here, by folding the side deck 12 to the state shown in fig. 2 with respect to the middle deck 11, the floor space can be reduced.

Specifically, the front side and the rear side of the middle platform 11 are rotatably connected with the folded plate of the side platform 12 through the first pin shaft 111, a crescent groove 114 can be further formed in the folded plate of the middle platform 11, the folded plate of the side platform 12 is connected with the second pin shaft 112, and the second pin shaft 112 is suitable for moving along the crescent groove 114 so as to provide a track of the side platform 12 rotating relative to the middle platform 11, so that the structure is more stable.

Referring to fig. 1, 3 and 4, optionally, the bottom end of the lower upright 2 is connected to the platform chassis 1 through a pin, the top end of the lower upright 2 is provided with a clamp 21, the bottom of the fixing portion 51 is provided with a positioning lock tongue 511, and the clamp 21 is adapted to extend into the positioning lock tongue 511 from above to limit the movement of the fixing portion 51 in the vertical direction.

Here, the clamp 21 may have a conventional structure, which will not be described in detail herein, and may be fastened to the top of the positioning tongue 511, thereby restricting the movement of the fixing portion 51 in the vertical direction.

Referring to fig. 3, optionally, a stopper 121 is provided on the platform chassis 1, the stopper 121 is used for preventing the lower upright 2 from tilting, a U-shaped block 22 with an upward opening is further provided on the lower upright 2, and the U-shaped block 22 is used for inserting at least part of the positioning lock tongue 511 to limit the movement of the positioning lock tongue 511 in the horizontal direction.

Here, by the cooperation of the positioning lock tongue 511 and the U-shaped block 22, it is ensured that the fixing portion 51 does not move in the horizontal direction, and at the same time, the plurality of jigs 21 are distributed on the front side and the rear side of the upper guardrail, limit the front-rear direction of the upper guardrail, limit the upper guardrail in the up-down direction by combining the jigs 21 themselves, thereby realizing the fixation between the upper guardrail and the lower upright 2.

Optionally, the support column 3 is of a telescopic structure.

Here, it can be understood that the support column 3 cannot be extended and contracted when not detached, that is, when connected with the second movable portion 53, and the support column 3 is provided in an extended and contracted structure, which can be more convenient and rapid in transportation and reduce the occupied area.

Referring to fig. 1, optionally, the support column 3 includes a plurality of hollow support columns 31, each support column 31 is adapted to be sleeved with each other and move in a vertical direction, that is, a top end of a lower support column 31 extends into an adjacent upper support column 31, and the lower support column 31 is adapted to move relative to the adjacent upper support column 31, and two adjacent support columns 31 are respectively provided with a locking pin hole 311 and a locking pin fixing structure 312, so as to achieve fixing of the two adjacent support columns 31, that is, an upper front wall of the lower support column 31 is provided with a locking pin hole 311, a lower front wall of the upper support column 31 adjacent to the lower support column 31 is provided with a locking pin fixing structure 312 that is matched with the locking pin hole 311, a bottom end of the bottommost support column 31 is detachably connected with the platform chassis 1, and a topmost support column 31 is connected with the sub-arm 4, and the support column 31 corresponding to the second movable portion 53 is adapted to be detachably connected with the second movable portion 53, that is lower than the second movable portion 53.

Here, in this embodiment, taking three pillars 31 as an example, the three pillars 31 are sequentially denoted as a first pillar, a second pillar and a third pillar from top to bottom, the top pillar 31 is the first pillar, the bottom pillar 31 is the third pillar, the bottom end of the third pillar and the platform chassis 1 can be connected with the platform chassis 1 through the third pin 113, and meanwhile, the bottom end is lower than the pillar 31 of the second movable portion, that is, the second pillar and the third pillar are detachably connected with the second movable portions 53 on two sides, so as to enhance the stability and structural strength of the upper guard rail and the support pillar 3. The two adjacent struts 31 are fixed by the cooperation of the locking pin fixing structure 312 and the locking pin hole 311.

Referring to fig. 6 and 7, optionally, the bottom ends of the rear walls of the pillars 31 located above of the adjacent two pillars 31 are provided with a movable slider structure 313, the movable slider structure 313 includes a slider nut 3131, a slider bolt 3132, and a rear slider 3133, the slider nut 3131 is connected with the pillar 31 above, the slider bolt 3132 is screwed into the slider nut 3131, and the rear slider 3133 is adapted to extend into the pillar 31 above and against the rear wall of the pillar 31 adjacent below under the screwing of the slider bolt 3132; a front slider 314 is provided on the inner side of the bottom end of the front wall of the pillar 31 located above, of the two adjacent pillars 31, and the front slider 314 abuts against the front wall of the pillar 31 located below; side sliding blocks 315 are arranged on the inner sides of the bottom ends of the side walls of the pillars 31 positioned above in the two adjacent pillars 31, and the side sliding blocks 315 are abutted with the side walls of the pillars 31 positioned below, wherein the side walls of the pillars 31 are the left wall of the pillars 31 and the right wall of the pillars 31.

Here, indirect contact between the rear walls of the two struts 31 is achieved through the rear slider 3133, indirect contact between the front walls of the two struts 31 is achieved through the front slider 314, indirect contact between the two struts is achieved through the side sliders 315, direct contact between the struts 31 and the struts 31 is avoided, soft connection is formed through each slider, hard friction is avoided, wherein the position of the rear slider 3133 is adjusted through the slider bolts 3132, separation of the two struts 31 is facilitated, and the lower struts 31 are also conveniently assembled into the struts 31 above. In addition, a friction texture may be disposed on a side surface of the rear slider 3133 away from the slider bolt 3132, that is, a front side surface of the rear slider 3133, so that the friction force between the rear slider 3133 and the rear wall of the pillar 31 below may be adjusted by the slider bolt 3132, and a certain locking function may be provided.

Referring to fig. 4 to 7, alternatively, the bottom end of the bottom-most pillar 31 is connected to the platform chassis 1 through a pin (specifically, the third pin 113), the bottom end is lower than the side wall of the pillar 31 at the top of the second movable portion 53, the shaft hole 316 is a through hole with a wide upper portion and a narrow lower portion, the second movable portion 53 is provided with a latch axle 531, the latch axle includes a latch axle body and a latch block 5311, the latch block 5311 is disposed at an end of the latch axle body away from the second movable portion 53, the latch axle 531 is adapted to be inserted from an upper end of the shaft hole 316, when the latch axle 531 is disposed at a lower end of the shaft hole, a lower end of the shaft hole 316 is used to limit the movement of the latch block 5311 in a horizontal direction, the second movable portion 53 is further provided with a guide mechanism 532, the guide mechanism 532 is provided with a latch 533, the latch 533 is adapted to be inserted into an upper end of the shaft hole 316 under the guide of the guide mechanism 532, and the latch 533 is sleeved with a latch 534, and the latch 533 is adapted to be pressed against the upper end of the shaft hole 316.

Here, the locking block 5311 may be inserted from the upper end of the shaft hole 316, and after the locking block 5311 falls into the lower end of the shaft hole 316, it cannot be removed from the shaft hole 316 in the horizontal direction, that is, the shaft hole 316 limits the movement of the locking block 5311 in the horizontal direction, so that the movement of the locking shaft 531 in the horizontal direction is limited, and under the combined action of the locking block 5311, the U-shaped block 22 and the second connecting piece 54, the structural strength and stability between the upper guard rail and the support column 3 are further enhanced. By providing the latch 533, the latch 533 is pressed to the upper end of the shaft hole 316 by the spring 534, limiting upward movement of the upper rail, which further enhances fixation in the vertical direction by co-action with the clamp 21.

It will be appreciated that when the upper guard rail needs to be disassembled, the clamp 21 and the positioning lock tongue 511 may be separated first, then the latch 533 is pulled outwards to separate the latch from the shaft hole 316, a latch fixing portion may be provided at the second movable portion 53, when the latch 533 is pulled outwards to separate from the shaft hole 316, the latch fixing portion may be fixed, then the second connecting piece 54 is disassembled, the split guard rail 5 is lifted upwards, when the latch axle 531 moves to the upper end of the shaft hole 316, the split guard rail 5 is moved in the horizontal direction, so that the latch axle 531 moves out in the horizontal direction from the upper end of the shaft hole 316, and the split guard rail 5 and the support 31 are disassembled.

Referring to fig. 7 and 8, alternatively, the lock pin fixing structure 312 includes a connection portion 3121, a fixing sleeve 3122, a movable pin 3123, a rotation button 3124 and a clamping rod 3125, the connection portion 3121 is mounted on the support column 31, the fixing sleeve 3122 is fixed with the connection portion 3121, a spiral groove 3126 is formed on a surface of the fixing sleeve 3122, a clamping groove is formed at one end of the spiral groove 3126, one end of the movable pin 3123 penetrates the connection portion 3121 and is connected with the rotation button 3124, the clamping rod 3125 is fixed on a surface of the movable pin 3123, the movable pin 3123 is disposed in the fixing sleeve 3122, the clamping rod 3125 is adapted to move in the spiral groove 3126, and when the clamping rod 3125 is in snap connection with the clamping groove, one end of the movable pin 3123 remote from the rotation button 3124 extends into the lock pin hole 311.

Here, by rotating the rotation knob 3124, the movable pin 3123 is rotated in synchronization, and as the clamp lever 3125 moves along the spiral groove 3126, when the clamp lever 3125 moves to the inner end of the spiral groove 3126 (the end of the spiral groove away from the connection portion), the clamp lever 3125 is snap-coupled with the inner end of the spiral groove 3126, the movable pin 3123 is fixed at this position and has been extended into the lock pin hole 311.

Optionally, a nylon pad is fitted over movable pin 3123 to limit and cushion, reducing friction and noise.

Referring to fig. 9 and 10, optionally, the top end of the auxiliary arm 4 is hinged to the top end of the support column 3, the top of the support column 3 is provided with an oil cylinder 6, the end of a piston rod of the oil cylinder 6 is hinged to the auxiliary arm 4, the bottom end of the auxiliary arm 4 is provided with a fixing notch 41, the fixing notch 41 is used for placing a fixing shaft of an external transport vehicle, a limiting bracket 42 is hinged to the fixing notch 41, and the limiting bracket 42 is used for closing the fixing notch 41 under the action of gravity so as to prevent the fixing shaft from moving out of the fixing notch 41, wherein an arrow direction in fig. 10 is a direction in which the fixing shaft enters the fixing notch 41 relative to the auxiliary arm 4.

Here, this work platform can be provided with a connecting piece at the auxiliary arm 4 rear side when using, and is fixed with automobile body connection through this connecting piece, realizes in proper order that work platform hangs on the automobile body, can adjust the contained angle between first pillar and the auxiliary arm 4 through hydro-cylinder 6's flexible, and then adjusts platform chassis 1 and be in the level. The cylinder 6 may be a double-acting cylinder with a long telescopic stroke.

In the transportation, in order to avoid the work platform to move or shake in the transport vechicle, can anticlockwise rotate spacing support 42, and then open fixed breach 41, then make this fixed breach 41 cover on the fixed axle on the transport vechicle, later loosen spacing support 42, close fixed breach 41 under spacing support 42 self gravity, prevent fixed breach 41 and fixed axle separation to this spacing that realizes the work platform transportation, prevent to shake or remove. Wherein, can be fixed with push rod 43 on spacing support 42, realize opening of fixed breach 41 through pulling push rod 43, can be equipped with locking spring 44 on auxiliary arm 4, the pretightning force drive spacing support 42 of this locking spring 44 closes fixed breach 41, even the angle changes between auxiliary arm 4 and the first pillar, spacing support 42 also can not rotate because of self gravity.

The lower end of the side surface of the first support is provided with a threaded hole, and a balance valve can be assembled and is connected with a double-acting oil cylinder at the upper end of the side surface through a rubber pipe.

Here, first pillar upper end passes through the round pin hub connection with the auxiliary arm 4, and the axle sleeve tip assembly nylon piece prevents that this pin joint from being in the highest position when auxiliary arm 4 and first pillar contained angle is biggest in the work, avoids the collision with outside.

Referring to fig. 11, optionally, tool slots 7 are detachably connected to the front, left and rear sides of the upper guard rail, respectively, for receiving temporary tools or other objects.

The terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first," "second," "third," and "fourth" may explicitly or implicitly include at least one such feature.

Although the present disclosure is disclosed above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the disclosure.

Claims

1. The utility model provides an assembled working platform, its characterized in that includes platform chassis (1), lower column (2), goes up guardrail, support column (3) and auxiliary arm (4), go up guardrail includes two components of a whole that can function independently guardrail (5), two components of a whole that can function independently guardrail (5) are suitable for respectively through lower column (2) with platform chassis (1) can dismantle the connection, two components of a whole that can function independently guardrail (5) one end is suitable for through second connecting piece (54) can dismantle the connection, lower column (2) respectively distribute in the corner of platform chassis (1), support column (3) are suitable for being arranged in between the other end of two components of a whole that can function independently guardrail (5) and can dismantle the connection with components of a whole that can function independently guardrail (5), the bottom of support column (3) is suitable for with platform chassis (1) can dismantle the connection, auxiliary arm (4) set up in the top of support column (3), auxiliary arm (4) are used for being connected with the automobile body;

the platform underframe (1) comprises a middle platform (11) and side platforms (12), wherein the two side platforms (12) are respectively positioned at two sides of the middle platform (11), and the two side platforms (12) are both suitable for overturning relative to the middle platform (11), the lower upright post (2) is detachably connected with the side platforms (12), and the bottom ends of the support columns (3) are detachably connected with the middle platform (11);

The split guardrail (5) comprises a fixed part (51), a first movable part (52) and a second movable part (53), wherein the bottoms of the two fixed parts (51) are suitable for being detachably connected with the platform underframe (1) through the lower upright post (2) respectively, the first movable part (52) and the second movable part (53) are hinged to two opposite ends of the fixed part (51) in the horizontal direction respectively, the two first movable parts (52) are suitable for being detachably connected through a second connecting piece (54), and the support column (3) is suitable for being arranged between the two second movable parts (53) and is detachably connected with the second movable parts (53).

2. The fabricated working platform according to claim 1, wherein the bottom end of the lower upright (2) is connected with the platform chassis (1) through a pin shaft, a clamp (21) is arranged at the top end of the lower upright (2), a positioning lock tongue (511) is arranged at the bottom of the fixing portion (51), and the clamp (21) is suitable for extending into the positioning lock tongue (511) from above so as to limit the movement of the fixing portion (51) in the vertical direction.

3. The fabricated working platform according to claim 2, wherein a limiting block (121) is provided on the platform chassis (1), the limiting block (121) is used for preventing the lower upright (2) from tilting, a U-shaped block (22) with an upward opening is further provided on the lower upright (2), and the U-shaped block (22) is used for allowing at least part of the positioning lock tongue (511) to be inserted to limit the movement of the positioning lock tongue (511) in the horizontal direction.

4. The fabricated working platform according to claim 1, wherein the supporting column (3) comprises a plurality of hollow supporting columns (31), each supporting column (31) is suitable for being sleeved with each other and moving along a vertical direction, and two adjacent supporting columns (31) are respectively provided with a locking pin hole (311) and a locking pin fixing structure (312) so as to fix two adjacent supporting columns (31), the bottom end of the bottom-most supporting column (31) is detachably connected with the platform chassis (1), the top-most supporting column (31) is connected with the auxiliary arm (4), and the supporting column (31) corresponding to the second movable portion (53) is suitable for being detachably connected with the second movable portion (53).

5. The fabricated work platform of claim 4, wherein a rear wall bottom end of the upper one (31) of the two adjacent posts (31) is provided with a movable slide structure (313), the movable slide structure (313) comprising a slide nut (3131), a slide bolt (3132) and a rear slide (3133), the slide nut (3131) being connected with the upper one (31), the slide bolt (3132) being screwed into the slide nut (3131), the rear slide (3133) being adapted to extend into the upper one (31) under the screwing of the slide bolt (3132) and against the rear wall of the adjacent lower one (31); a front slider (314) is arranged on the inner side of the bottom end of the front wall of the pillar (31) positioned above of the two adjacent pillars (31), and the front slider (314) is abutted with the front wall of the pillar (31) positioned below; side sliding blocks (315) are arranged on the inner sides of the bottom ends of the side walls of the pillars (31) positioned above in the two adjacent pillars (31), and the side sliding blocks (315) are abutted with the side walls of the pillars (31) positioned below.

6. The assembled working platform according to claim 4, wherein the bottom end of the bottom-most strut (31) is connected with the platform chassis (1) through a pin shaft, a shaft hole (316) is formed in the side wall of the strut (31) corresponding to the second movable part (53), the shaft hole (316) is a through hole with a wide upper part and a narrow lower part, a clamping shaft (531) is arranged on the second movable part (53), the clamping shaft (531) comprises a clamping shaft body and a clamping block (5311), the clamping block (5311) is arranged at one end, far away from the second movable part (53), of the clamping shaft body, the clamping shaft (531) is suitable for being inserted from the upper end of the shaft hole (316), and when the clamping shaft (531) is arranged at the lower end of the shaft hole (316), the lower end of the shaft hole (316) is used for limiting the movement of the clamping block (5311) in the horizontal direction; the second movable part (53) is further provided with a guide mechanism (532), the guide mechanism (532) is provided with a plug pin (533), the plug pin (533) is suitable for being inserted into the upper end of the shaft hole (316) under the guide of the guide mechanism (532), a spring (534) is sleeved on the plug pin (533), and the spring (534) is suitable for extruding the plug pin (533) to the upper end of the shaft hole (316).

7. The fabricated working platform according to claim 4, wherein the locking pin fixing structure (312) comprises a connecting portion (3121), a fixing sleeve (3122), a movable pin (3123), a rotating knob (3124) and a clamping rod (3125), the connecting portion (3121) is mounted on the supporting post (31), the fixing sleeve (3122) is fixed with the connecting portion (3121), a spiral groove (3126) is formed on the surface of the fixing sleeve (3122), a clamping groove is formed at one end of the spiral groove (3126), one end of the movable pin (3123) penetrates through the connecting portion (3121) and is connected with the rotating knob (3124), the clamping rod (3125) is fixed on the surface of the movable pin (3123), the movable pin (3123) is placed in the fixing sleeve (3122), and the clamping rod (3125) is suitable for moving in the spiral groove (3126), and when the clamping rod (3125) is in snap-fit connection with the clamping groove, one end of the movable pin (3123) extends away from the rotating knob (311) into the hole (311).

8. The fabricated working platform according to claim 1, wherein the top end of the auxiliary arm (4) is hinged to the top end of the supporting column (3), an oil cylinder (6) is arranged at the top of the supporting column (3), the end part of a piston rod of the oil cylinder (6) is hinged to the auxiliary arm (4), a fixing notch (41) is arranged at the bottom end of the auxiliary arm (4), the fixing notch (41) is used for placing a fixing shaft of an external transport vehicle, a limiting bracket (42) is hinged to the fixing notch (41), and the limiting bracket (42) is used for closing the fixing notch (41) under the action of gravity so as to prevent the fixing shaft from moving out of the fixing notch (41).