CN217264672U

CN217264672U - Mast type aerial work platform

Info

Publication number: CN217264672U
Application number: CN202220177591.XU
Authority: CN
Inventors: 陈士军; 谢斌; 马士祯; 辛绪鹏
Original assignee: Lingong Group Jinan Heavy Machinery Co Ltd
Current assignee: Lingong Heavy Machinery Co Ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-23
Anticipated expiration: 2032-01-21

Abstract

The application is a mast type aerial working platform, it is a field of aerial working platform, including mast is equipped with the brace vertically, the symmetrical both sides of brace are equipped with the guide rail of "ㄈ" type correspondingly, "ㄈ" type guide rail is set up relatively, "ㄈ" type side of guide rail place brace perpendicular to side of brace that mast locates; the bottom end of the guardrail can be clamped into two ㄈ -shaped guide rails, the top end of the guardrail is provided with a hanging and connecting rod extending out of the side face of the guardrail where the mast is located, and a passing space for the mast to pass through is formed between the hanging and connecting rod and the side face of the guardrail where the mast is located; the limiting piece is detachably arranged on the mast, and is positioned above the hanging and connecting rod; through the scheme, the requirement on the connection strength can be met, the guardrail can be quickly and detachably connected, the guardrail and the mast can be detached when the guardrail needs to be replaced or the guardrails of different sizes need to be replaced, the integrity of the guardrail after detachment can be guaranteed by the connection mode, the guardrail or the mast cannot be damaged, and the guardrail can be reused subsequently.

Description

Mast type aerial work platform

Technical Field

The utility model relates to an aerial working platform field especially relates to a mast type aerial working platform.

Background

The mast supporting operation platform of the mast type aerial work platform is lifted synchronously, and the supporting leg structure has super-large load capacity and excellent working stability with a single mast type platform. The integral lifting guardrail device has good strength, greatly reduces the height of the whole guardrail device during transportation, is very convenient to assemble and disassemble, and can be assembled or disassembled by one-time lifting. The elevator has strong bearing capacity and is suitable for people (capable of carrying tools and materials with certain weight) to carry out ascending operation; or the purpose of conveying goods can be realized according to the needs to meet different needs. The existing connecting mode between the mast and the guardrail is generally a welding mode, although the welding mode is easy to connect and is also easier to connect, the connecting mode generally means that the guardrail on the connecting mode is very difficult to replace, if the guardrails with different sizes are required to be replaced, the welding position needs to be cut, the mast or the guardrail is usually damaged in the cutting process, and the guardrail can not be used again in serious cases.

SUMMERY OF THE UTILITY MODEL

The application is in order to solve being connected for the welded mode between mast post and the guardrail among the current mast type aerial working platform, thereby this kind of welded mode leads to the guardrail of wanting to change mast post connection very difficult problem, simultaneously, this kind of welded mode if want to change not equidimension guardrail, just need cut the splice, and the cutting generally can lead to the destruction of mast post or guardrail, still can lead to the unable reuse of guardrail when serious, this application designs a mast type aerial working platform, its specifically adopted technical scheme is:

the utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:

a mast-type aerial work platform comprising:

the mast is vertically provided with a supporting plate, two symmetrical sides of the supporting plate are correspondingly provided with ㄈ -shaped guide rails, ㄈ -shaped guide rails are oppositely arranged, and the side surface of the supporting plate where the ㄈ -shaped guide rail is positioned is vertical to the side surface of the supporting plate where the mast is positioned;

the guardrail comprises guardrails, wherein the bottom ends of the guardrails can be clamped into two ㄈ -shaped guide rails, the top ends of the guardrails are provided with hanging rods extending out of the side surfaces of the guardrails where the masts are located, and a passing space for the masts to pass through is formed between the hanging rods and the side surfaces of the guardrails where the masts are located;

the limiting piece is detachably arranged on the mast, and the limiting piece is located above the hanging and connecting rod so as to prevent the mast from being separated from the passing space.

Preferably, the two ㄈ -shaped guide rails are formed by the ㄈ -shaped flanges protruding upwards from the edges of the support plate, and the ㄈ -shaped flanges and the support plate are of an integral structure.

Preferably, the supporting plate is also provided with an ㄈ -shaped flanging at the edge close to the mast, the ㄈ -shaped flanging is also connected with the mast, and the ㄈ -shaped flanging forms a side wall surface of the supporting plate with one side opened, and the side surface of the opening is symmetrical with the side surface connected with the mast.

Preferably, the last surface vertical of each "ㄈ" type guide rail can be dismantled and be equipped with L type mounting bracket, and two L type mounting brackets set up relatively, are equipped with spacing round on each L type mounting bracket, have accommodation gap between spacing round and the L type mounting bracket in vertical direction, and this accommodation gap is used for the connecting rod of guardrail to pass through.

Preferably, the limiting wheel is a waist drum wheel, and the connecting rod is a round rod.

Preferably, the locating part is a limiting plate, and the limiting plate can be dismantled and set up perpendicularly in the top of mast, and the limiting plate size is greater than hangs the maximum distance between the pole.

Preferably, the limiting plate is provided with a flange protruding upwards along the periphery of the limiting plate, so that the limiting plate forms a storage tray on the upper surface of the limiting plate.

Preferably, the hitching leg is formed by extending a connecting bar at the top end of the guard rail to one side.

Preferably, "ㄈ" type guide rail is equipped with the screw hole along its length direction interval, and each screw hole threaded connection has a locking bolt, and the bottom of guardrail has the locking mouth, can insert in the locking mouth during the locking bolt locking.

Preferably, the side surface of the mast is also provided with a hook.

The utility model discloses a set up the layer board on the mast, go into the guardrail card on "ㄈ" type guide rail of layer board, through layer board bearing guardrail, utilize mast itself to penetrate the guardrail and directly carry on spacingly with the hitching rod that stretches out simultaneously, prevent guardrail roll-off "ㄈ" type guide rail, and utilize the locating part to prevent that the mast from deviating from through the space, this kind of connected mode not only can satisfy the joint strength requirement, but also can realize the quick and can dismantle the connection of guardrail, when the guardrail is changed or the not equidimension guardrail need be changed to needs, can dismantle guardrail and mast, the integrality of guardrail after dismantling can be guaranteed to this kind of connected mode, can not damage guardrail or mast, follow-up can reuse.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural view of the mast extending into the passing space after the limiting plate is detached.

In the figure, 1, mast, 2, support rectangular tube, 3, strengthen the riser, 4, couple, 5, limiting plate, 6, connecting rod, 7, bottom plate, 8, "ㄈ" type guide rail, 9, storing tray, 10, L type mounting bracket, 11, spacing wheel, 12, locking bolt, 13, screw hole, 14, locking mouth, 15, guardrail, 16, pass through the space.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments with reference to the accompanying drawings.

In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

It should be noted that mast 1 is in the form of a conventional multi-section lifting mast 1, and mast 1 is referred to in this application as the uppermost section of conventional multi-section mast 1.

As shown in fig. 1-2, a mast-type aerial work platform comprises a mast 1, a guardrail 15 and a stopper. The mast 1 is square, a supporting plate is vertically welded on the side surface of the mast 1, the welding can be realized by welding a supporting rectangular pipe 2 and welding a reinforcing vertical plate 3 to improve the welding strength, the supporting plate is connected with the left side surface of the supporting plate, symmetrical front and back sides of the supporting plate are correspondingly provided with ㄈ -shaped guide rails 8, the ㄈ -shaped guide rail 8 is arranged by protruding out of the upper surface of a bottom plate 7, the two ㄈ -shaped guide rails 8 are oppositely arranged, the bottom end of a guardrail 15 can be clamped into the two ㄈ -shaped guide rails 8, the guardrail 15 is a frame body structure formed by a plurality of connecting rods 6 and comprises a vertical connecting rod 6 and a horizontal connecting rod 6, the bottom end of the guardrail 15 is clamped into the inner body of the ㄈ -shaped guide rail 8, namely the two horizontal connecting rods 6 are clamped into the ㄈ -shaped guide rails 8, the guardrail 15 is supported by the bottom plate 7 after being clamped into the ㄈ -shaped guide rails 8, meanwhile, in order to fix the guardrail 15 and ensure the connection reliability of the whole guardrail 15, a hitching bar is arranged at the top end of the guardrail 15, the hitching bar extends out of the left side surface of the guardrail 15, a passing space 16 is arranged between the hitching bar and the left side surface of the guardrail 15, the passing space 16 is used for passing through the mast 1, and in order to prevent the mast 1 from falling off from the passing space 16, the limiting piece is arranged on the mast 1, the limiting piece is detachably arranged at the top end of the mast 1, and the limiting piece is arranged above the hitching bar, so that the limiting piece can prevent the mast 1 from falling off from the passing space 16, and the guardrail 15 is prevented from having no connection point, thereby causing the dangerous accident that the guardrail 15 slips out from the ㄈ type guide rail 8.

In this embodiment, the hanging rod is bent in a square shape, and the hanging rod and the side surface of the guardrail 15 together form a quadrangular passing space 16.

Furthermore, the two ㄈ -shaped guide rails 8 are formed by the ㄈ -shaped flanges protruding upwards from the edges of the supporting plate, and the ㄈ -shaped flanges and the supporting plate are of an integrated structure, so that the connecting strength of the ㄈ -shaped guide rails 8 and the bottom plate 7 can be improved, the risk of cracking between the ㄈ -shaped guide rails 8 and the bottom plate 7 is reduced, steps of connection between the ㄈ -shaped guide rails 8 and the bottom plate 7 can be saved, and the installation and connection are more convenient.

Furthermore, the left side surface of the supporting plate is also provided with an ㄈ -shaped flange, the ㄈ -shaped flange is connected between the mast 1 and the supporting plate, the ㄈ -shaped flanges of the front side surface, the rear side surface and the left side surface of the supporting plate are enclosed to form side wall surfaces with right side openings, and the guardrail 15 is clamped into the ㄈ -shaped guide rail 8 from the right side openings. The ㄈ -shaped flanges are also arranged on the left side face, so that firstly, the connecting area between the bottom plate 7 and the mast 1 is increased, the connecting strength of the ㄈ -shaped flanges on the bottom plate 7 and the front and rear side faces is improved, secondly, the positioning effect of the guardrail 15 in the ㄈ -shaped guide rail 8 is achieved in order to prevent the bottom end of the guardrail 15 from extending out of the left end face of the ㄈ -shaped flange, and the positioning effect of the relative position between the hanging and connecting rod and the mast 1 is also indirectly achieved, namely, the position where the guardrail 15 can not be continuously clamped is known when the guardrail 15 is clamped in the ㄈ -shaped guide rail 8, and the mast 1 at the moment just can pass through the passing space 16 between the hanging and connecting rod and the side face of the guardrail 15.

Further, for further fixing and limiting the position of the guardrail 15 in the vertical direction, the L-shaped mounting brackets 10 are detachably mounted on the upper surface of each "ㄈ" type guide rail 8 in a vertical direction, the two L-shaped mounting brackets 10 are arranged oppositely, that is, the orientation of the horizontal plates of each L-shaped mounting bracket 10 is the direction close to each other, the limiting wheels 11 are arranged on the vertical plates of each L-shaped mounting bracket 10, and an accommodating gap is formed between the limiting wheels 11 and the horizontal plates of the L-shaped mounting brackets 10 in the vertical direction and is used for the horizontal connecting rod 6 of the guardrail 15 to pass through. After the actual guardrail 15 is installed, the L-shaped mounting bracket 10 and the limiting wheels 11 can limit the guardrail 15 in the vertical direction, and of course, due to the existence of the connecting rod 6 in the vertical direction of the guardrail 15, if the mast 1 is separated from the passing space 16, the connecting rod 6 in the vertical direction of the guardrail 15 can block the horizontal connecting rod 6 of the guardrail 15 to continue to move in the accommodating gap between the L-shaped mounting bracket 10 and the limiting wheels 11, so as to play a role in limiting and protecting the guardrail 15 in the horizontal direction.

In this embodiment, the mounting rack is detachably disposed on the upper surface of the ㄈ -shaped guide rail 8 and may be connected by bolts or screws.

Further, in an embodiment, the horizontal connecting rod 6 of the guardrail 15 is a round rod, and the limiting wheel 11 is a drum wheel, and the drum wheel can limit and protect the horizontal connecting rod 6 of the guardrail 15 in the vertical direction, and can also limit and protect the front and back sides of the horizontal connecting rod 6 of the guardrail 15.

Further, in an embodiment, the limiting member is a limiting plate 5, the limiting plate 5 is vertically fixed at the top end of the mast 1 by a bolt, the size of the limiting plate 5 is greater than the maximum distance between the hanging rods, and specifically, the size of the limiting plate 5 in the front-back direction is greater than the distance in the front-back direction after the hanging rods are bent, that is, in this embodiment, the limiting plate 5 can span the passing space 16 in the front-back direction, so that the existence of the limiting plate 5 can prevent the hanging rods from being separated from the mast 1, and prevent the guard rail 15 from sliding out of the bottom plate 7 without a connection point.

Further, limiting plate 5 has the bellied turn-ups that makes progress along its edge a week to make limiting plate 5 form storing tray 9 at its upper surface, limiting plate 5 not only can play spacing effect like this, but also can regard as the tray to use, be used for storing operating means, provide the position of placing, make things convenient for operating personnel to take and put the instrument.

Furthermore, the hanging rod is formed by extending the connecting rod 6 at the top end of the guardrail 15 to one side, so that the hanging rod and the horizontal connecting rod 6 at the top end of the guardrail 15 are integrated, specifically, the horizontal connecting rod 6 of the guardrail 15 is bent to form a square hanging part extending to one side surface of the guardrail 15, the passing space 16 is formed between the extending horizontal connecting rod 6 and the side surface of the guardrail 15, and the integrated structure can increase the connection strength of the hanging rod, prevent the hanging rod and the guardrail 15 from being connected again and having a connection boundary line, and reduce the connection strength of the hanging rod.

Furthermore, in order to further fix the guardrail 15 or further limit the guardrail 15 and reduce the risk that the guardrail 15 slides out of the bottom plate 7, the ㄈ -shaped guide rail 8 is provided with threaded holes 13 at intervals along the length direction, locking bolts 12 are connected with the threaded holes 13 in a threaded manner, the bottom end of the guardrail 15 is provided with a locking opening 14, and the locking bolts 12 can be inserted into the locking opening 14 when being locked.

The locking opening 14 in this embodiment may be a locking hole provided in the horizontal connecting rod 6 of the guardrail 15, or may be a locking space formed by providing a plurality of horizontal connecting rods 6 at the bottom of the guardrail 15 to form a space between the plurality of connecting rods 6, after the locking bolt 12 is continuously screwed into the threaded hole 13 of the ㄈ -shaped guide rail 8, the locking bolt 12 will extend into the locking opening 14, and if the mast 1 is removed from the passing space 16, not only the L-shaped mounting bracket 10 and the limiting wheel 11 will play a further locking role, but also the locking bolt 12 will prevent the guardrail 15 from further removing, so that the operator has enough time to reduce the danger.

Furthermore, a hook 4 is arranged on the side surface of the mast 1, tools required by operators can be hung on the hook 4, the use function of the mast 1 is increased, and the space is fully utilized.

The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. A mast type aerial work platform, comprising:

the mast is vertically provided with a supporting plate, ㄈ -shaped guide rails are correspondingly arranged on two symmetrical sides of the supporting plate, ㄈ -shaped guide rails are oppositely arranged, and the side surface of the supporting plate where the ㄈ -shaped guide rails are located is vertical to the side surface of the supporting plate where the mast is located;

the bottom end of the guardrail can be clamped into the two ㄈ -shaped guide rails, the top end of the guardrail is provided with a hanging rod extending out of the side face of the guardrail where the mast is located, and a passing space for the mast to pass through is formed between the hanging rod and the side face of the guardrail where the mast is located;

the limiting part is detachably arranged on the mast, and the limiting part is positioned above the hanging and connecting rod so as to prevent the mast from being separated from the passing space.

2. A mast type aerial work platform as claimed in claim 1 wherein the two rails of the type "ㄈ" are formed by upwardly projecting flanges of the type "ㄈ" on the edge of the platform, the flanges of the type "ㄈ" being of one piece construction with the platform.

3. A mast type aerial work platform as claimed in claim 2 wherein the blade is also provided with said ㄈ shaped flanges adjacent the edges of the mast, said ㄈ shaped flanges also being connected to the mast, said ㄈ shaped flanges forming side bounding faces of the blade with one side open, the side of the opening being symmetrical to the side to which the mast is connected.

4. The mast type aerial work platform of claim 1 or 2, wherein each of the "ㄈ" type guide rails is vertically detachably provided with an L-shaped mounting bracket, two L-shaped mounting brackets are oppositely arranged, each L-shaped mounting bracket is provided with a limiting wheel, and an accommodating gap is formed between each limiting wheel and the L-shaped mounting bracket in the vertical direction, and the accommodating gap is used for a connecting rod of the guardrail to pass through.

5. A mast type aerial work platform as claimed in claim 4 wherein the limit wheel is a waist drum and the connecting rod is a round rod.

6. The mast type aerial work platform of claim 1, wherein the limiting member is a limiting plate, the limiting plate is detachably and vertically disposed on the top end of the mast, and the size of the limiting plate is larger than the maximum distance between the hanging rods.

7. The mast type aerial work platform of claim 6, wherein the retainer plate has an upwardly projecting flange along a perimeter of the retainer plate to form a storage tray on an upper surface of the retainer plate.

8. A mast type aerial work platform according to claim 1 or 6, wherein the hitching bar is formed by a connecting bar at the top end of the fence extending to one side.

9. The mast type aerial work platform of claim 1, wherein the ㄈ -shaped guide rails are provided with threaded holes spaced along a length thereof, each of the threaded holes being internally threaded with a locking bolt, a bottom end of the guard rail having a locking opening into which the locking bolt is insertable when locked.

10. The mast type aerial work platform of claim 1, wherein the mast is further provided with a hook on a side surface thereof.