CN217323270U

CN217323270U - Assembled work platform

Info

Publication number: CN217323270U
Application number: CN202121441234.1U
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: 2022-08-30
Anticipated expiration: 2031-06-28

Abstract

The utility model provides an assembled work platform belongs to mechanical work equipment technical field. Assembled work platform includes platform chassis, lower stand, goes up guardrail, support column and fly jib, it includes two components of a whole that can function independently guardrails to go up the guardrail, two the components of a whole that can function independently guardrail is suitable for to pass through respectively the stand down with the connection can be dismantled to the platform chassis, two the one end of components of a whole that can function independently guardrail is suitable for to dismantle through the second connecting piece and connects, the stand distribute respectively in the edge of platform chassis down, the support column is suitable for arranging in two between the other end of components of a whole that can function independently guardrail and with the connection can be dismantled to the components of a whole that can function independently guardrail, the bottom of support column be suitable for with the connection can be dismantled to the platform chassis, the fly jib set up in the top of support column, the fly jib is used for with body connection. The utility model discloses an assembled work platform is convenient for transport and dismantles the change.

Description

Assembled work platform

Technical Field

The utility model relates to a mechanical working equipment technical field particularly, relates to an assembled work platform.

Background

The existing vehicle-mounted working platform usually adopts an integral welding form, and if a certain part or certain parts of the working platform are damaged, the whole working platform can only be disassembled and replaced, so that the cost is high, and the disassembly is complex. Meanwhile, the working platform is of an external frame type, so that the appearance size is large, the effective transportation size is small, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses when aiming at solving certain or some parts damage of current vehicular work platform, can only dismantle the problem of changing with the platform is whole.

In order to solve the problem, the utility model provides an assembled working platform, including platform chassis, lower stand, go up guardrail, support column and fly jib, it includes two components of a whole that can function independently guardrails, two to go up the guardrail the components of a whole that can function independently guardrail is suitable for to pass through respectively lower stand with the platform chassis can be dismantled and connect, two the one end of components of a whole that can function independently guardrail is suitable for to dismantle through the second connecting piece and connects, lower stand distribute in respectively in the edge of platform chassis, the support column is suitable for and arranges two between the other end of components of a whole that can function independently guardrail and with the connection can be dismantled to the components of a whole that can function independently guardrail, the bottom of support column be suitable for with the connection can be dismantled to the platform chassis, the fly jib set up in the top of support column, the fly jib is used for with body connection.

Further, the platform chassis comprises a middle platform and two side platforms, wherein the two side platforms are respectively located on two sides of the middle platform in the width direction and are suitable for being turned over relative to the middle platform, the lower stand column is detachably connected with the side platforms, and the bottom ends of the supporting columns are detachably connected with the middle platform.

Further, components of a whole that can function independently guardrail includes fixed part, first movable part and second movable part, two the bottom of fixed part is suitable for respectively to pass through down the stand with the connection can be dismantled to the platform chassis, first movable part with the second movable part respectively with the fixed part is articulated in the relative both ends on the horizontal direction, two first movable part is suitable for to pass through the connection can be dismantled to the second connecting piece, the support column is suitable for arranging in two between the second movable part and with the connection can be dismantled to the second movable part.

Further, the bottom of lower stand through the round pin axle with the platform chassis is connected, the top of stand is provided with anchor clamps down, the bottom of fixed part is provided with the location spring bolt, anchor clamps are suitable for to stretch into from the top the location spring bolt, in order to restrict the motion of fixed part in vertical direction.

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

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

Furthermore, a movable sliding block structure is arranged at the bottom end of the rear wall of the upper pillar of two adjacent pillars, the movable sliding block structure comprises a sliding block nut, a sliding block bolt and a rear sliding block, the sliding block nut is connected with the upper pillar, the sliding block bolt is in threaded connection with the sliding block nut, and the rear sliding block is suitable for extending into the upper pillar and abutting against the rear wall of the adjacent lower pillar under the screwing of the sliding block bolt; a front sliding block is arranged on the inner side of the bottom end of the front wall of the upper strut in two adjacent struts, and the front sliding block is abutted against the front wall of the lower strut adjacent to the front sliding block; two adjacent be located in the top in the pillar the inboard of the lateral wall bottom of pillar all is provided with the side slider, the side slider with adjacent below the lateral wall butt of pillar.

Furthermore, the bottom end of the support column at the bottommost part is connected with the platform underframe through a pin shaft, the side wall of the support column corresponding to the second movable part is provided with a shaft hole, the shaft hole is a through hole with a wide upper part and a narrow lower part, the second movable part is provided with a clamping shaft, the clamping shaft comprises a clamping shaft body and a clamping block, the clamping block is arranged at one end of the clamping shaft body far away from the second movable part, 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; still be provided with guiding mechanism on the second movable part, the last bolt that is provided with of guiding mechanism, the bolt is suitable for insert under guiding mechanism's the upper end in shaft hole, the cover is equipped with the spring on the bolt, the spring be suitable for with the bolt extrudees extremely the upper end in shaft hole.

Further, lockpin fixed knot constructs including connecting portion, fixed cover, movable pin, knob and kelly, connecting portion install on the pillar, fixed cover with connecting portion are fixed, the helicla flute has been seted up on 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 knob is connected, the fixed surface of movable pin has the kelly, the movable pin is arranged in the fixed cover, the kelly is suitable for remove in the helicla flute, works as the kelly with the draw-in groove buckle is connected, the movable pin is kept away from the one end of knob stretches into in the lockpin hole.

Further, the top of fly jib with the top of support column is articulated, the top of support column is equipped with the hydro-cylinder, the tip of the piston rod of hydro-cylinder with the fly jib is articulated, the bottom of fly jib 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 be used for under the action of gravity will fixed breach is closed, in order to prevent the fixed axle shifts out fixed breach.

Compared with the prior art, the utility model provides a pair of assembled work platform has but not be limited to following technological effect:

the components of a whole that can function independently guardrail realizes being connected with dismantling between the platform chassis through lower stand, and then realizes going up guardrail and being connected dismantling between the platform chassis, the bottom and the platform chassis of support column can be dismantled and be connected, the support column is arranged in between the other end of two components of a whole that can function independently guardrails and can dismantle with the components of a whole that can function independently guardrail and be connected, can strengthen the stability of going up the guardrail, correspondingly, the stability of support column has also been strengthened, through setting up the fly jib on the top of support column, and then can be through fly jib and outside body connection, and then make under the effect of automobile body the utility model discloses an assembly type work platform suspends in midair in high altitude operation, through the connection of dismantling between each part, guarantees when individual part damages, only need dismantle change this part can, does not need whole change, practices thrift the cost. In addition, the detachable connection of each part is convenient for moving and transporting, and the transportation cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a fabricated work platform according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a platform chassis according to an embodiment of the present invention in a folded state;

fig. 3 is a schematic structural view of the connection between the fixing part and the lower column according to the embodiment of the present invention;

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

FIG. 5 is an enlarged view taken at A in FIG. 4;

fig. 6 is a front cross-sectional view of adjacent strut connections according to an embodiment of the present invention;

fig. 7 is a side cross-sectional view of adjacent strut connections according to an embodiment of the present invention;

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

FIG. 9 is a side view of the top most support post and secondary arm connection of an embodiment of the present invention;

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

fig. 11 is a distribution diagram of a tool slot according to an embodiment of the present invention.

Description of reference numerals:

1-platform chassis, 11-middle platform, 111-first pin, 112-second pin, 113-third pin, 114-crescent groove, 12-side platform, 121-stopper, 13-bumper plate, 14-lifting hole, 2-lower upright, 21-clamp, 22-U-shaped block, 3-support column, 31-support column, 311-lock pin hole, 312-lock pin fixing structure, 3121-connecting part, 3122-fixing sleeve, 3123-movable pin, 3124-rotary button, 3125-clamping bar, 3126-spiral groove, 313-movable slider structure, 3131-slider nut, 3132-slider bolt, 3133-rear slider, 314-front slider, 315-side slider, 316-shaft hole, 4-sub-arm, 41-fixing notch, 42-limit bracket, 43-push rod, 44-locking spring, 5-split guardrail, 51-fixed part, 511-positioning bolt, 512-baffle, 52-first movable part, 53-second movable part, 531-clamping shaft, 5311-clamping block, 532-guide mechanism, 533-bolt, 534-spring, 54-second connecting piece, 6-oil cylinder and 7-tool groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

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

Also, in the drawings, the Z-axis represents a vertical, i.e., up-down position, and a positive direction of the Z-axis (i.e., an arrow direction of the Z-axis) represents up, and a negative direction of the Z-axis (i.e., a direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the X-axis represents the longitudinal direction, i.e., the front-rear position, and the positive direction of the X-axis (i.e., the arrow direction of 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; in the drawing, the Y-axis indicates a horizontal direction, i.e., left-right position, and a positive direction of the Y-axis (i.e., arrow direction of the Y-axis) indicates the left, and a negative direction of the Y-axis (i.e., opposite direction to the positive direction of the Y-axis) indicates the right.

It should also be noted that the Z, X, Y axes are merely used to facilitate describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Referring to fig. 1, 2 and 3, the utility model provides a fabricated working platform, a fabricated working platform of embodiment of the utility model, including platform chassis 1, lower stand 2, go up guardrail, support column 3 and assistant arm 4, two components of a whole that can function independently guardrail 5 is suitable for respectively through lower stand 2 with platform chassis 1 can dismantle the connection, two the one end of components of a whole that can function independently guardrail 5 is suitable for can dismantle the connection through second connecting piece 54, lower stand 2 distribute respectively in the edge of platform chassis 1, support column 3 is suitable for arranging in two between the other end of components of a whole that can function independently guardrail 5 and with the connection can be dismantled to components of a whole that can function independently guardrail 5, the bottom of support column 3 be suitable for with platform chassis 1 can dismantle the connection, assistant arm 4 set up in the top of support column 3, assistant arm 4 is used for with body connection.

Here, components of a whole that can function independently guardrail 5 through stand 2 realize being connected with dismantling between the platform chassis 1 down, and then realize going up guardrail and being connected with dismantling between the platform chassis 1, the bottom and the platform chassis 1 of support column 3 can be dismantled and be connected, support column 3 is arranged in between two components of a whole that can function independently guardrail 5's the other end and can dismantle with components of a whole that can function independently guardrail 5 and be connected, can strengthen the stability of going up the guardrail, correspondingly, the stability of support column 3 has also been strengthened, through setting up sub-arm 4 on the top of support column 3, and then can be through sub-arm 4 and outside automobile body coupling, and then make under the effect of automobile body the utility model discloses an assembly type work platform suspends in midair in high altitude operation, through the connection of dismantling between each part, guarantee when individual part damages, only need dismantle change this part can, do not need whole change, practice thrift the cost. In addition, the detachable connection of each part is convenient for moving and transporting, and the transportation cost is reduced.

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

Here, the volume occupied during transportation is further reduced by folding the first and second

movable portions

52, 53 together with the fixed portion 51.

It can be understood that the two first movable portions 52 are connected and fixed together by the second connecting member 54, so that the two split guardrails 5 form a closed working environment, and the safety of workers is guaranteed.

Alternatively, the second connecting member 54 may be a C-shaped pipe member, which is sleeved on the rails of the two first movable portions 52, and then the rails of the two first movable portions 52 are connected to the C-shaped pipe member by bolts or other quick-release members, respectively, 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 side and the rear side of the fixing 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 as to ensure that the two first movable portions 52 are not opened outwards, and further improve the construction safety of internal workers.

Optionally, a plurality of slotted hole structures are uniformly formed in the platform bottom frame 1, and through the slotted hole structures, firstly, the weight of the platform bottom frame 1 can be reduced, and secondly, a drainage effect can be achieved.

Optionally, the periphery of the platform bottom frame 1 is provided with a folded plate bending upwards, which can play a role in protection, for example, when a constructor moves on the platform bottom frame 1, when a foot touches the folded plate, the edge position of the platform bottom frame 1 is indicated, and the foot of the constructor is prevented from moving to the external suspension.

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

Referring to fig. 1 and 2, optionally, the platform base frame 1 includes a middle platform 11 and two side platforms 12, the 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 both the two side platforms 12 are adapted to be turned relative to the middle platform 11, wherein the lower upright 2 is detachably connected to the side platforms 12, and the bottom end of the supporting column 3 is detachably connected to the middle platform 11.

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

Specifically, the folding plates on the front side and the rear side of the middle platform 11 are rotatably connected with the folding plate of the side platform 12 through the first pin shaft 111, a crescent 114 can be further formed in the folding plate of the middle platform 11, the folding 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 114, so that a track for the rotation of the side platform 12 relative to the middle platform 11 is provided, and 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, a clamp 21 is disposed at the top end of the lower upright 2, a positioning latch 511 is disposed at the bottom of the fixing portion 51, and the clamp 21 is adapted to extend into the positioning latch 511 from above to limit the movement of the fixing portion 51 in the vertical direction.

Here, the clamp 21 may adopt an existing structure, which is not described herein in detail, so as to be able to be fastened to the top of the positioning latch 511, thereby restricting the fixing portion 51 from moving in the vertical direction.

Referring to fig. 3, optionally, a limiting block 121 is disposed on the platform chassis 1, the limiting block 121 is configured to prevent the lower upright 2 from tilting, a U-shaped block 22 with an upward opening is further disposed on the lower upright 2, and the U-shaped block 22 is configured to allow at least a portion of the positioning latch 511 to be inserted to limit the movement of the positioning latch 511 in the horizontal direction.

Here, through the cooperation of location spring bolt 511 and U-shaped piece 22, guarantee that fixed part 51 can not move in the horizontal direction, a plurality of anchor clamps 21 distribute in the front side and the rear side of last guardrail simultaneously, carry on spacingly to last guardrail fore-and-aft direction, combine anchor clamps 21 self to the spacing of last guardrail upper and lower direction to this realizes the fixed between guardrail and lower stand 2.

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

Here, it can be understood that, when the supporting pillar 3 is not detached, that is, when the supporting pillar is connected to the second movable portion 53, the supporting pillar 3 cannot be extended, and the supporting pillar 3 is configured to be a telescopic structure, so that transportation can be more convenient, and the floor area can be reduced.

Referring to fig. 1, optionally, the supporting column 3 includes a plurality of hollow supporting columns 31, each supporting column 31 is adapted to be sleeved with each other and move along a vertical direction, that is, the top end of the lower supporting column 31 extends into the adjacent upper supporting column 31, and the lower supporting column 31 is adapted to move relative to the adjacent upper supporting column 31, 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, that is, the upper front wall of the lower supporting column 31 is provided with a locking pin hole 311, the lower front wall of the upper supporting column 31 adjacent to the lower supporting column 31 is provided with a locking pin fixing structure 312 matching with the locking pin hole 311, the bottom end of the bottommost supporting column 31 is detachably connected with the platform chassis 1, the topmost supporting column 31 is connected with the auxiliary arm 4, and the supporting column 31 corresponding to the second movable portion 53 is adapted to be detachably connected with the second movable portion 53, that is, the pillar 31 having the bottom end lower than the top of the second movable portion 53 is detachably connected to 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 is connected to the platform chassis 1 through a third pin 113, and meanwhile, the bottom end is lower than the pillars 31 of the second movable portion, that is, the second pillar and the third pillar are detachably connected to the second movable portions 53 on both sides, so as to enhance the stability and structural strength of the upper guard rail and the support pillars 3. The two adjacent pillars 31 are fixed by the locking pin fixing structure 312 and the locking pin hole 311.

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

Here, indirect contact between the rear walls of the two struts 31 is achieved by the rear slider 3133, indirect contact between the front walls of the two struts 31 is achieved by the front slider 314, indirect contact between the two struts is achieved by the side slider 315, direct contact between the struts 31 and the struts 31 is avoided, soft connection is constituted by the respective sliders, hard friction is avoided, wherein the position of the rear slider 3133 is adjusted by the slider bolt 3132, thereby facilitating separation of the two struts 31, and also facilitating assembly of the strut 31 below into the strut 31 above. In addition, a side surface of the rear slider 3133 away from the slider bolt 3132, i.e., a front side surface of the rear slider 3133, may be provided with a friction texture, so that a friction force between the rear slider 3133 and a rear wall of the lower pillar 31 may be adjusted by the slider bolt 3132, thereby having a certain locking function.

Referring to fig. 4 to 7, optionally, the bottom end of the support column 31 at the bottom is connected to the platform chassis 1 through a pin (specifically, a third pin 113, the side wall of the support column 31 whose bottom end is lower than the top of the second movable portion 53 is provided with a shaft hole 316, the shaft hole 316 is a through hole with a wide top and a narrow bottom, the second movable portion 53 is provided with a positioning shaft 531, the positioning shaft includes a positioning shaft body and a positioning block 5311, the positioning block 5311 is disposed at one end of the positioning shaft body away from the second movable portion 53, the positioning shaft 531 is adapted to be inserted from the upper end of the shaft hole 316, when the positioning shaft 531 is disposed at the lower end of the shaft hole, the lower end of the shaft hole 316 is used for limiting the movement of the positioning block 5311 in the horizontal direction, the second movable portion 53 is further provided with a guide mechanism 532, the guide mechanism 533 is disposed on the guide mechanism 532, the guide pin is adapted to be inserted into the upper end of the shaft hole 316, the pin 533 is sleeved with a spring 534, and the spring 534 is adapted to press the pin 533 to the upper end of the shaft hole 316.

Here, the blocking block 5311 can be inserted from the upper end of the shaft hole 316, and after the blocking block 5311 falls into the lower end of the shaft hole 316, it cannot be taken out from the shaft hole 316 in the horizontal direction, i.e. the shaft hole 316 limits the movement of the blocking block 5311 in the horizontal direction, i.e. the movement of the blocking shaft 531 in the horizontal direction is also limited, and under the combined action of the blocking block 5311, the U-shaped block 22 and the second connecting member 54, the structural strength and stability between the upper guardrail and the supporting post 3 are further enhanced. By providing the latch 533, the latch 533 is pressed to the upper end of the axle hole 316 by the spring 534, so as to limit the upward movement of the upper guard rail, which further enhances the fixing in the vertical direction by the cooperation of the clamp 21.

It can be understood that, when the upper guardrail needs to be detached, the clamp 21 and the positioning bolt 511 can be separated first, then the bolt 533 is pulled outwards to separate the bolt from the shaft hole 316, a bolt fixing part can be arranged at the second movable part 53, when the bolt 533 is pulled outwards to separate from the shaft hole 316, the bolt fixing part can be fixed, then the second connecting piece 54 is detached, the split guardrail 5 is lifted upwards, when the clamping shaft 531 moves to the upper end of the shaft hole 316, the split guardrail 5 is moved in the horizontal direction, so that the clamping shaft 531 moves out from the upper end of the shaft hole 316 in the horizontal direction, and the split guardrail 5 and the strut 31 are detached.

Referring to fig. 7 and 8, optionally, the lock pin fixing structure 312 includes a connecting portion 3121, a fixing sleeve 3122, a movable pin 3123, a rotation knob 3124 and a catch lever 3125, the connecting portion 3121 is installed on the support column 31, the fixing sleeve 3122 is fixed to the connecting portion 3121, a spiral groove 3126 is formed on a surface of the fixing sleeve 3122, a catch 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 to the rotation knob 3124, the catch lever 3125 is fixed to a surface of the movable pin 3123, the movable pin 3123 is seated in the fixing sleeve 3122, the catch lever 3125 is adapted to move in the spiral groove 3126, and when the catch lever 3125 is snap-connected to the catch groove, one end of the movable pin 3124, which is far away from the rotation knob 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 chucking lever 3125 moves along the spiral groove 3126, when the chucking lever 3125 moves to the inner end of the spiral groove 3126 (the end of the spiral groove away from the connecting portion), the chucking lever 3125 is snap-coupled with the inner end of the spiral groove 3126, and the movable pin 3123 is fixed at this position and has been inserted into the lock pin hole 311.

Optionally, a nylon cushion is assembled on the movable pin 3123 for limiting and buffering, and 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, the fixing notch 41 is further hinged to a limiting bracket 42, the limiting bracket 42 is used for closing the fixing notch 41 under the action of gravity to prevent the fixing shaft from moving out of the fixing notch 41, wherein the direction of an arrow in fig. 10 is a direction in which the fixing shaft enters the fixing notch 41 relative to the auxiliary arm 4.

Here, when this work platform is using, can be provided with a connecting piece in the back side of fly jib 4, be connected fixedly with the automobile body through this connecting piece, realize in proper order that work platform suspends in midair on the automobile body, can adjust the contained angle between first pillar and fly jib 4 through the flexible of hydro-cylinder 6, and then adjust platform chassis 1 and be in the level. The cylinder 6 can be a double-acting cylinder and has a longer telescopic stroke.

In the transportation, in order to avoid work platform to remove or rock in the transport vechicle, can the spacing support 42 of anticlockwise rotation, 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 is spacing in realizing the work platform transportation, prevents to rock or remove. Wherein, can be fixed with the 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 fly jib 4, fixed breach 41 is closed to this locking spring's 44 pretightning force drive spacing support 42, even the contained angle between fly jib 4 and the first pillar changes, 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, a balance valve can be assembled, and the balance valve is connected with the double-acting oil cylinder at the upper end of the side surface through a rubber pipe.

Here, the upper end of the first strut is connected with the auxiliary arm 4 through a pin shaft, and a nylon block is assembled at the end part of the shaft sleeve, so that the hinged point is prevented from being at the highest position when the included angle between the auxiliary arm 4 and the first strut is the largest in work, and the collision with the outside is avoided.

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

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 an implicit indication of the number of technical features indicated. Thus, features defined as "first," "second," "third," and "fourth" may explicitly or implicitly include at least one of the features.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Without departing from the spirit and scope of the present disclosure, those skilled in the art can make various changes and modifications, which will fall into the scope of the present disclosure.

Claims

1. The assembled working platform is characterized by comprising a platform underframe (1), a lower stand column (2), an upper guardrail, a support column (3) and an auxiliary arm (4), wherein the upper guardrail comprises two split guardrails (5), the two split guardrails (5) are suitable for being detachably connected with the platform underframe (1) through the lower stand column (2) respectively, one ends of the two split guardrails (5) are suitable for being detachably connected through a second connecting piece (54), the lower stand column (2) is distributed at the corners of the platform underframe (1) respectively, the support column (3) is suitable for being arranged between the other ends of the two split guardrails (5) and detachably connected with the split guardrails (5), the bottom end of the support column (3) is suitable for being detachably connected with the platform underframe (1), and the auxiliary arm (4) is arranged at the top end of the support column (3), the auxiliary arm (4) is used for being connected with a vehicle body.

2. Assembled working platform according to claim 1, characterized in that the platform undercarriage (1) comprises a middle platform (11) and side platforms (12), two of the side platforms (12) being located on either side of the middle platform (11) and both of the side platforms (12) being adapted to be turned relative to the middle platform (11), wherein the lower uprights (2) are detachably connected to the side platforms (12) and the bottom ends of the supporting columns (3) are detachably connected to the middle platform (11).

3. The assembled working platform according to claim 1, wherein the split guard bar (5) comprises a fixed part (51), a first movable part (52) and a second movable part (53), the bottom parts of the two fixed parts (51) are adapted to be detachably connected with the platform underframe (1) through the lower upright post (2), the first movable part (52) and the second movable part (53) are hinged with the two opposite ends of the fixed part (51) in the horizontal direction, the two first movable parts (52) are adapted to be detachably connected through the second connecting piece (54), and the supporting column (3) is adapted to be placed between the two second movable parts (53) and detachably connected with the second movable parts (53).

4. The assembly type working platform according to claim 3, wherein the bottom end of the lower upright (2) is connected with the platform bottom frame (1) through a pin shaft, a clamp (21) is arranged at the top end of the lower upright (2), a positioning bolt (511) is arranged at the bottom of the fixing part (51), and the clamp (21) is suitable for extending into the positioning bolt (511) from the upper part so as to limit the movement of the fixing part (51) in the vertical direction.

5. The fabricated working platform according to claim 4, wherein a limiting block (121) is arranged on the platform underframe (1), the limiting block (121) is used for preventing the lower upright (2) from inclining, a U-shaped block (22) with an upward opening is further arranged on the lower upright (2), and the U-shaped block (22) is used for inserting at least part of the positioning bolt (511) so as to limit the movement of the positioning bolt (511) in the horizontal direction.

6. The assembled working platform according to claim 3, 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, two adjacent supporting columns (31) are respectively provided with a locking pin hole (311) and a locking pin fixing structure (312) so as to realize the fixing of two adjacent supporting columns (31), the bottom end of the bottommost supporting column (31) is detachably connected with the platform underframe (1), the topmost supporting column (31) is connected with the auxiliary arm (4), and the supporting column (31) corresponding to the second movable part (53) is suitable for being detachably connected with the second movable part (53).

7. Fabricated work platform according to claim 6, characterized in that the bottom end of the rear wall of the upper pillar (31) of two adjacent pillars (31) is provided with a movable slider structure (313), said movable slider structure (313) comprising a slider nut (3131), a slider bolt (3132) and a rear slider (3133), said slider nut (3131) being connected with the upper pillar (31), said slider bolt (3132) being threaded into said slider nut (3131), said rear slider (3133) being adapted to extend into the upper pillar (31) and to abut against the rear wall of the adjacent lower pillar (31) under the screwing of said slider bolt (3132); a front sliding block (314) is arranged on the inner side of the bottom end of the front wall of the upper strut (31) in two adjacent struts (31), and the front sliding block (314) is abutted with the front wall of the adjacent lower strut (31); the inner sides of the bottom ends of the side walls of the pillars (31) above the pillars (31) in two adjacent pillars (31) are provided with side sliding blocks (315), and the side sliding blocks (315) are abutted against the side walls of the pillars (31) below the adjacent pillars.

8. Fabricated work platform according to claim 6, characterised in that the bottom ends of the bottommost columns (31) are connected with the platform chassis (1) by means of pins, a shaft hole (316) is arranged on 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, the second movable part (53) is provided with a clamping shaft (531), the clamping shaft comprises a clamping shaft body and a clamping block (5311), the clamping block (5311) is arranged at one end of the clamping shaft body far away from the second movable part (53), the catching shaft (531) is adapted to be inserted from an upper end of the shaft hole (316), when the position 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 position clamping block (5311) in the horizontal direction; still be provided with guiding mechanism (532) on second movable part (53), be provided with bolt (533) on guiding mechanism (532), bolt (533) are suitable for to insert under the direction of guiding mechanism (532) the upper end of shaft hole (316), the cover is equipped with spring (534) on bolt (533), spring (534) are suitable for with bolt (533) extrude to the upper end of shaft hole (316).

9. The fabricated work platform of claim 6, wherein the locking pin fixing structure (312) comprises a connecting portion (3121), a fixing sleeve (3122), a movable pin (3123), a rotary knob (3124) and a latch lever (3125), the connecting portion (3121) is installed on the support column (31), the fixing sleeve (3122) is fixed with the connecting portion (3121), a spiral groove (3126) is opened on a surface of the fixing sleeve (3122), a latch groove is opened at one end of the spiral groove (3126), one end of the movable pin (3123) penetrates the connecting portion (3121) and is connected with the rotary knob (3124), the latch lever (3125) is fixed on a surface of the movable pin (3123), the movable pin (3123) is placed in the fixing sleeve (3122), the latch lever (3125) is adapted to move in the spiral groove (3126), when the latch lever (3125) is snap-connected with the latch groove, one end of the movable pin (3123) far away from the rotating button (3124) extends into the lock pin hole (311).

10. The assembly type 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 of a piston rod of the oil cylinder (6) is hinged to the auxiliary arm (4), a fixing notch (41) is formed in the bottom end of the auxiliary arm (4), the fixing notch (41) is used for enabling a fixing shaft of an external transport vehicle to be placed in, a limiting support (42) is hinged to the fixing notch (41), and the limiting support (42) is used for closing the fixing notch (41) under the action of gravity to prevent the fixing shaft from moving out of the fixing notch (41).