CN212387587U - Protective fence device of crane - Google Patents

Abstract

The utility model provides a protective fence device of a crane, which comprises a walking platform, wherein the top end of the walking platform is detachably connected with a plurality of stand columns which are uniformly arranged at intervals, and a fence unit is detachably connected between two adjacent stand columns; the rail unit includes latticed guard plate, the upper and lower both ends of latticed guard plate all are fixed with the mounting panel, the mounting groove that rectangle through-hole and be linked together with the rectangle through-hole has all been seted up at both ends about the mounting panel, sliding connection has the slide bar in the rectangle through-hole, set up the spout with the slide bar one-to-one on the stand, the slide bar deviates from the one end of rectangle through-hole and runs through the mounting groove and extend to in the spout, the cover is equipped with the movable plate on the slide bar that is located mounting groove inside. The slide bar tightly blocks in the spout under compression spring effect, and the installation is firm, when needing to dismantle, only needs pulling the slide bar to make the movable plate remove compression spring, and the slide bar breaks away from the spout and can accomplish the separation, and the installation, dismantlement are convenient, easily promote.

Description

Protective fence device of crane

Technical Field

The utility model belongs to the technical field of the hoist, especially, relate to a protection rail device of hoist.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, which is also called a crown block, a crane, and the like, and the hoisting machine needs to be periodically checked, maintained, tested, detected and inspected due to the particularity and importance of equipment. When carrying out inspection, maintenance, the staff often need will fix the walking platform in the girder both sides as current passageway and work platform, for guaranteeing staff's personal safety, avoid taking place the safety risk that the high altitude falls, need be at the top installation protection rail of walking platform. At present, the protection rail device among the prior art is mostly welded structure, and this kind of mounting means brings inconvenience for operating personnel, and the operating personnel of not being convenient for simultaneously dismantles, great increase operating personnel's intensity of labour.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a protection rail device of hoist to the hoist protection rail device who solves among the prior art is mostly welded structure, inconvenient installation, the technical problem who dismantles.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the protective fence device of the crane comprises a walking platform fixedly connected to two sides of a main beam, wherein the top end of the walking platform is detachably and fixedly connected with a plurality of stand columns which are uniformly arranged at intervals, and a fence unit is detachably and fixedly connected between every two adjacent stand columns; the rail unit includes the latticed guard plate of vertical setting, and the equal fixed connection in upper and lower both ends of latticed guard plate has the mounting panel that the level set up, about the mounting panel both ends all seted up the rectangle through-hole and with the mounting groove that the rectangle through-hole is linked together, sliding connection has the slide bar that the level set up in the rectangle through-hole, seted up on the stand with the spout of slide bar one-to-one, the one end that the slide bar deviates from the rectangle through-hole runs through the mounting groove and extends to the spout in, is located fixed cover on the inside slide bar of mounting groove and is equipped with the movable plate, movable plate and mounting groove sliding connection are located fixed cover on the inside slide bar of mounting.

The top end of the walking table is fixedly connected with a plurality of installation sleeves which are uniformly arranged at intervals, installation holes are formed in the installation sleeves, positioning holes which correspond to the installation holes in a one-to-one mode are formed in the lower portions of the stand columns, and the stand columns are detachably and fixedly connected in the installation sleeves through bolts penetrating through the installation holes and the positioning holes.

The length of the mounting plate in the horizontal direction is the same as the length of the latticed protection plate in the horizontal direction.

The handle is fixedly connected to the end portion of one end, located inside the rectangular through hole, of the sliding rod.

And the surfaces of the upright post, the latticed protection plate and the mounting plate are coated with anti-corrosion coatings.

The utility model has the advantages that: simple structure, fixed connection can be dismantled to the stand on the top of walking the platform, can dismantle fixed connection rail mechanism between two adjacent stands, and the slide bar tightly blocks in the spout under compression spring effect, and the installation is firm, when needing to dismantle, only needs pulling handle to make the movable plate remove to the direction that is close to compression spring, and compression spring is extruded, makes the slide bar break away from the spout and can accomplish the separation, and the installation, dismantlement are convenient, easily promote.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

Reference numerals: the device comprises a walking table 1, a column 2, an installation sleeve 3, a bolt 4, a fence unit 5, a grid-shaped protection plate 8, an installation plate 9, a rectangular through hole 10, an installation groove 11, a sliding rod 12, a sliding groove 13, a moving plate 14, a compression spring 15 and a handle 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses a fixed connection is at the walking platform 1 of girder both sides, and the stand 2 that a plurality of even intervals of fixedly connected with set up can be dismantled on the top of walking platform 1, and the top welding of walking platform 1 has the installation cover 3 that a plurality of even intervals set up, has seted up the mounting hole on the installation cover 3, and the locating hole with the mounting hole one-to-one is seted up to the lower part of stand 2, and fixed connection can be dismantled in installation cover 3 through the bolt 4 that passes mounting hole and locating hole to stand 2. Can dismantle fixedly connected with rail unit 5 between two adjacent stands 2, rail unit 5 includes the latticed guard plate 8 of vertical setting, and the mounting panel 9 that the equal fixedly connected with level in both ends set up about latticed guard plate 8, and the length of mounting panel 9 along the horizontal direction is the same with latticed guard plate 8 along the length of horizontal direction. Mounting panel 9 about both ends all seted up rectangle through-hole 10 and the mounting groove 11 that is linked together with rectangle through-hole 10, sliding connection has the slide bar 12 that the level set up in the rectangle through-hole 10, set up the spout 13 with slide bar 12 one-to-one on the stand 2, slide bar 12 runs through mounting groove 11 and extends to in the spout 13 the one end that deviates from rectangle through-hole 10, it is equipped with movable plate 14 to be located fixed cover on the slide bar 12 of mounting groove 11 inside, movable plate 14 and mounting groove 11 sliding connection, be located fixed cover and be equipped with compression spring 15 on the slide bar 12 of mounting groove 11 inside, compression spring 15 is located one side that movable plate 14. The end of the sliding rod 12 located at one end inside the rectangular through hole 10 is fixedly connected with a handle 16, which facilitates pulling the sliding rod 12. The surfaces of the upright post 2, the latticed protection plate 8 and the mounting plate 9 are coated with anti-corrosion coatings, so that the corrosion of rain and snow in the external environment to the device is reduced, and the service life is prolonged. When the device is used and installed, the sliding rod 12 is tightly clamped in the sliding groove 13 under the action of the compression spring 15, and the installation is firm; when the mounting plate is dismounted, the movable plate 14 is moved towards the direction close to the compression spring 15 only by pulling the handle 16, the compression spring 15 is extruded, the slide bar 12 is separated from the slide groove 13, the left end and the right end of the mounting plate 9 can be dismounted from the upright post 2, and the mounting plate is convenient to mount and dismount, simple to use and easy to popularize.

When the utility model is used, firstly, the upright post 2 is fixed in the mounting sleeve 3 through the bolt 4, then the end part of one end of the slide bar 12 departing from the rectangular through hole 10 is aligned with the chute 13, and the slide bar 12 is tightly clamped in the chute 13 under the action of the compression spring 15, thereby completing the mounting process; when the mounting plate needs to be detached, the handle 16 is manually pulled, the moving plate 14 moves towards the direction close to the compression spring 15 along with the sliding rod 12, the compression spring 15 is extruded, the sliding rod 12 is separated from the sliding groove 13, the left end and the right end of the mounting plate 9 can be detached from the upright post 2, and the mounting plate is convenient to mount and detach, simple to use and easy to popularize.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (5)

1. The utility model provides a protection rail device of hoist, includes the walking platform of fixed connection in girder both sides, its characterized in that: the top end of the walking table is detachably and fixedly connected with a plurality of upright columns which are uniformly arranged at intervals, and a fence unit is detachably and fixedly connected between every two adjacent upright columns; the rail unit includes the latticed guard plate of vertical setting, and the equal fixed connection in upper and lower both ends of latticed guard plate has the mounting panel that the level set up, about the mounting panel both ends all seted up the rectangle through-hole and with the mounting groove that the rectangle through-hole is linked together, sliding connection has the slide bar that the level set up in the rectangle through-hole, seted up on the stand with the spout of slide bar one-to-one, the one end that the slide bar deviates from the rectangle through-hole runs through the mounting groove and extends to the spout in, is located fixed cover on the inside slide bar of mounting groove and is equipped with the movable plate, movable plate and mounting groove sliding connection are located fixed cover on the inside slide bar of mounting.

2. A protective fence apparatus for a crane according to claim 1, wherein: the top end of the walking table is fixedly connected with a plurality of installation sleeves which are uniformly arranged at intervals, installation holes are formed in the installation sleeves, positioning holes which correspond to the installation holes in a one-to-one mode are formed in the lower portions of the stand columns, and the stand columns are detachably and fixedly connected in the installation sleeves through bolts penetrating through the installation holes and the positioning holes.

3. A protective fence apparatus for a crane according to claim 2, wherein: the length of the mounting plate in the horizontal direction is the same as the length of the latticed protection plate in the horizontal direction.

4. A protective fence apparatus for a crane according to claim 2, wherein: the handle is fixedly connected to the end portion of one end, located inside the rectangular through hole, of the sliding rod.

5. A protective fence apparatus for a crane according to claim 2, wherein: and the surfaces of the upright post, the latticed protection plate and the mounting plate are coated with anti-corrosion coatings.

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