CN212773362U - Movable lifting scaffold - Google Patents

Abstract

The utility model discloses a portable over-and-under type scaffold, horizontal frame including a plurality of rectangular shapes, it is a plurality of the horizontal frame is the interval setting from top to bottom, and is located the below horizontal frame's lower extreme interval is equipped with a plurality of mobile unit, arbitrary adjacent two equal interval is equipped with the bracing piece of many liftable between the horizontal frame, arbitrary adjacent two be equipped with an elevating system between the horizontal frame, elevating system drives and is located the top horizontal frame rises or descends. The utility model provides a can extensively be used for long distance pipeline gas transmission station yard and valve room equipment facility to examine the portable over-and-under type scaffold of maintenance operation.

Description

Movable lifting scaffold

Technical Field

The utility model relates to a scaffold frame field. More specifically, the utility model relates to a portable lifting scaffold frame.

Background

The long-distance pipeline gas transmission station and the valve chamber need to be periodically checked and maintained, multiple equipment facilities need to be maintained, such as spring check, autumn check and the like every year, and a large number of temporary checking and maintaining operations, such as separator filter element replacement, manhole check, instrument disassembly and inspection, nitrogen replacement and the like, need to be performed on the station and the valve chamber according to the operation condition of the equipment.

At present, the scaffold used in the process of station yard and valve chamber inspection and maintenance is mostly leased through social resources, more financial resources are consumed every year, the scaffold is built on site and consumes time and labor, the built scaffold cannot be moved, and the scaffold is poor in use convenience.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable over-and-under type scaffold that can extensively be used for long distance pipeline gas transmission station yard and valve room equipment facility to examine maintenance operation.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a movable lifting scaffold comprises a plurality of strip-shaped horizontal frames, wherein the horizontal frames are arranged at intervals from top to bottom, a plurality of moving units are arranged at intervals at the lower end of the horizontal frame at the lowest position, a plurality of liftable supporting rods are arranged between any two adjacent horizontal frames at intervals, each supporting rod comprises a round rod and a cylinder which are vertically arranged, the upper end of each cylinder is connected with the horizontal frame at the upper position, the lower end of each round rod is connected with the horizontal frame at the lower position, the upper end of each round rod extends into the cylinder and can move along the axial direction of the cylinder, two first through holes are uniformly distributed at the lower end of the periphery of the cylinder, a plurality of second through holes are vertically arranged on the round rods at intervals, and when the round rods slide along the axis of the cylinder, any one second through hole can be communicated with the two first through holes, when any one of the second through holes is communicated with the two first through holes, a bolt penetrating through the second through hole, the first through hole and the second through hole is arranged in the first through hole, a matched nut is arranged on the bolt in a threaded mode, the cylinder and the round rod can be fixedly connected by screwing the nut, a lifting mechanism is arranged between any two adjacent horizontal frames, and the lifting mechanism drives the horizontal frames located above to ascend or descend.

Preferably, in a portable lifting scaffold, elevating system include pneumatic cylinder and support, the telescopic link of pneumatic cylinder sets up vertically up, and its cylinder body passes through the support and is connected fixedly with many root circle cylinders that correspond, the lower extreme of the cylinder body of pneumatic cylinder with be located the below horizontal frame is connected, is located the pneumatic cylinder top horizontal frame's lower extreme be equipped with the conflict piece that the tip of the telescopic link of pneumatic cylinder corresponds.

Preferably, in the mobile lifting scaffold, the moving unit comprises a connecting rod and a pulley, the connecting rod is vertically arranged, the upper end of the connecting rod is connected with the lower end of the horizontal frame positioned at the lowest position, and the pulley is rotatably arranged at the lower end of the connecting rod.

Preferably, in the mobile lifting scaffold, the pulley is a rubber wheel with a brake.

Preferably, in the movable lifting scaffold, the distance between two second through holes spaced up and down is 3-5 cm.

The movable lifting scaffold of the utility model is provided with a lifting mechanism between any two adjacent horizontal frames, so that the height of each layer of horizontal frame can be adjusted according to actual needs; the movable lifting scaffold is exquisite in design, flexible in use and strong in operability, and can be widely applied to long-distance pipeline gas station and valve chamber equipment facility inspection and maintenance operation.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a mobile lifting scaffold according to the present invention;

fig. 2 is a schematic structural view of the support rod of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element 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.

Fig. 1-2 show a mobile lifting scaffold provided by an embodiment of the present invention, which comprises a plurality of strip-shaped horizontal frames 1, a plurality of horizontal frames 1 are arranged at intervals up and down, a plurality of moving units are arranged at intervals at the lower end of the lowest horizontal frame 1, a plurality of liftable supporting rods are arranged at intervals between any two adjacent horizontal frames 1, each of the supporting rods comprises a round rod 2 and a round cylinder 3 which are vertically arranged, the upper end of the round cylinder 3 is connected with the horizontal frame 1 which is positioned above the round cylinder 3, the lower end of the round rod 2 is connected with the horizontal frame 1 which is positioned below the round rod 2, the upper end of the round rod extends into the round cylinder 3 and can move along the axial direction of the round cylinder 3, two first through holes 4 are uniformly distributed at the lower end of the periphery of the round cylinder 3, a plurality of second through holes 5 are arranged at intervals up and down on the round rod 2, when the round rod 2 slides along the axis of, any one of the second through holes 5 can be communicated with the two first through holes 4, when any one of the second through holes 5 is communicated with the two first through holes 4, a bolt 6 penetrating through the second through hole, the bolt 6 and the first through hole is provided with a matched nut 7 in a threaded manner, the cylinder 3 and the round rod 2 can be fixedly connected by screwing the nut 7, a lifting mechanism is arranged between any two adjacent horizontal frames 1, and the lifting mechanism drives the horizontal frame 1 positioned above to ascend or descend; the distance between the two second through holes 5 which are vertically spaced is 3-5 cm.

In the embodiment, the scaffold is moved by arranging a plurality of moving units at intervals at the lower end of the horizontal frame 1 positioned at the lowest part; meanwhile, a lifting mechanism is arranged between any two adjacent horizontal frames 1 and drives the horizontal frame 1 positioned above to ascend or descend, so that the height between any two adjacent horizontal frames 1 can be adjusted, and simultaneously, the heights of all the horizontal frames 1 above the lifting mechanism can be synchronously lifted or descended; specifically, when the position of a certain horizontal frame 1 needs to be adjusted, the telescopic rod of the lifting mechanism below the horizontal frame 1 moves upwards to be abutted against the horizontal frame 1, then the bolts 6 and the nuts 7 on the plurality of support rods below the horizontal frame 1 are disassembled, the telescopic rod of the lifting mechanism below the horizontal frame 1 drives the horizontal frame 1 and the articles on the upper end of the horizontal frame to ascend or descend to a target position together, at the moment, the cylinder 3 slides up and down along the axis of the round rod 2 synchronously, and then the bolts 6 and the nuts 7 on the plurality of support rods below the horizontal frame 1 are installed, so that the adjustment of the position below the horizontal frame 1 is completed.

Preferably, as another embodiment of the present invention, as shown in fig. 1, the lifting mechanism includes a hydraulic cylinder 8 and a support 9, the telescopic rod of the hydraulic cylinder 8 is vertically arranged upward, the cylinder body of the hydraulic cylinder is fixedly connected to the corresponding multiple cylinders 3 through the support 9, the lower end of the cylinder body of the hydraulic cylinder 8 is connected to the horizontal frame 1 below, and the lower end of the horizontal frame 1 above the hydraulic cylinder 8 is provided with a contact part corresponding to the end of the telescopic rod of the hydraulic cylinder 8.

In this embodiment, the lower end of the horizontal frame 1 is provided with the contact piece corresponding to the end of the telescopic rod of the hydraulic cylinder 8, and the contact piece and the corresponding horizontal frame 1 are driven to move synchronously by the telescopic rod.

Preferably, as another embodiment of the present invention, the moving unit includes a connecting rod 10 and a pulley 11, the connecting rod 10 is vertically disposed, and the upper end of the connecting rod is connected to the lower end of the horizontal frame 1 located at the bottom, the pulley 11 is rotatably disposed at the lower end of the connecting rod 10, and the pulley 11 is a rubber wheel with a brake.

In this embodiment, the pulley 11 is a rubber wheel with a brake, and the pulley 11 can be locked when the scaffold does not need to be moved, so as to prevent the scaffold from sliding.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and embodiments shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (5)

1. The movable lifting scaffold is characterized by comprising a plurality of strip-shaped horizontal frames (1), wherein the horizontal frames (1) are arranged at intervals from top to bottom, a plurality of moving units are arranged at intervals at the lower ends of the horizontal frames (1) positioned at the lowest part, a plurality of liftable supporting rods are arranged between any two adjacent horizontal frames (1) at intervals, each supporting rod comprises a round rod (2) and a cylinder (3) which are vertically arranged, the upper end of each cylinder (3) is connected with the horizontal frame (1) positioned above, the lower end of each round rod (2) is connected with the horizontal frame (1) positioned below, the upper end of each round rod extends into the corresponding cylinder (3) and can move along the axial direction of the corresponding cylinder (3), two first through holes (4) are uniformly distributed at the lower end of the periphery of the corresponding cylinder (3), a plurality of second through holes (5) are arranged at intervals from top to bottom on the round rods (2), round bar (2) are followed when the axis of drum (3) slides, arbitrary second through-hole (5) all can with two first through-hole (4) intercommunication, arbitrary second through-hole (5) and two during first through-hole (4) intercommunication, be equipped with bolt (6) that run through the three in it, nut (7) that match are installed to screw thread on bolt (6), screw up nut (7) can with drum (3) and round bar (2) are connected fixedly, arbitrary adjacent two be equipped with a elevating system between horizontal frame (1), elevating system drives and is located the top horizontal frame (1) rises or descends.

2. A mobile lifting scaffold according to claim 1, characterized in that said lifting mechanism comprises a hydraulic cylinder (8) and a support (9), the extension rod of said hydraulic cylinder (8) is vertically arranged upwards, the cylinder body of said hydraulic cylinder is connected and fixed with a plurality of corresponding cylinders (3) by means of said support (9), the lower end of the cylinder body of said hydraulic cylinder (8) is connected with said horizontal frame (1) located below, the lower end of said horizontal frame (1) located above said hydraulic cylinder (8) is provided with an interference piece corresponding to the end of the extension rod of said hydraulic cylinder (8).

3. A mobile lifting scaffold according to claim 1, characterized in that said moving unit comprises a connecting rod (10) and a pulley (11), said connecting rod (10) being vertically disposed and its upper end being connected to the lower end of said horizontal frame (1) located lowermost, said pulley (11) being rotatably disposed at the lower end of said connecting rod (10).

4. A mobile lifting scaffold according to claim 3, characterized in that the pulleys (11) are rubber wheels with brakes.

5. A mobile lifting scaffold according to any of claims 1 to 4, wherein the distance between two said second through holes (5) spaced above and below is 3-5 cm.

Images