CN210948449U - Single-support telescopic escalator - Google Patents

Abstract

The utility model discloses a single support escalator that stretches out and draws back relates to the single support telescopic link escalator technical field, for solving owing to lack the strong point, take place easily when using and slide and need waste very big strength and can cause the clamp injury to the finger when extending and contracting the extension ladder, the not good problem of work efficiency. The inside of outer ladder pipe is provided with interior ladder pipe, the below of outer ladder pipe is provided with the chassis, be provided with the pneumatic cylinder between outer ladder pipe and the chassis, the both ends of pneumatic cylinder all are provided with U type connecting block, the both sides of outer ladder pipe all are provided with and step on the leg board, the both sides of outer ladder pipe and interior ladder pipe lateral wall all are provided with spacing hole, be provided with the locking spring between the spacing hole of interior ladder pipe both sides, the both sides of locking spring all are provided with the locking round pin, the one side in the spacing hole in outer ladder pipe both sides is provided with the switch box, the inside below of outer ladder pipe is provided with the base, the below of interior ladder pipe is provided with the bearing block.

Description

Single-support telescopic escalator

Technical Field

The utility model relates to a flexible staircase device technical field of single stay telescopic link specifically is a flexible staircase of single stay.

Background

A common ladder is a single ladder frame structure, and includes two ladder bars arranged in parallel to each other and a cross bar disposed across the two ladder bars, and the cross bar serves as a support step. When the ladder with the single ladder frame structure is used, the ladder can stand only by being propped against a support because of no fixed structure, is easy to topple and has low use safety. In order to enhance the safety of the ladder, a herringbone ladder is provided. However, when the herringbone ladder is used, two ladder frames need to be unfolded and supported on the ground, and a large working space needs to be occupied. The ladder is fixed in use height, and the long ladder is reduced in use safety due to large volume and high gravity center, inconvenient to carry and larger in occupied space during storage. This requires a single support telescopic ladder to replace.

At present, when using the flexible staircase of single-support, because the main part of the flexible staircase of single-support is a telescopic link, just can not provide stability when using, cause the slip easily, and change the angle just need carry out the bulk movement with the flexible staircase of single-support and thereby change the angle. When the extension ladder is extended, a user needs to take great effort to pull out a plurality of empty ladder pipes and lock the empty ladder pipes, and the time is long; when the extension ladder descends, the locking device is detached firstly, the extension ladder can descend by means of self gravity, the speed is high, if the user supports the improper positions with both hands, the supported fingers are easily clamped, and the problems of poor working efficiency and potential safety hazards exist. Therefore, a single-support telescopic escalator is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a singly support flexible staircase to propose in solving above-mentioned background art because lack the strong point, take place easily when using and slide and need spend very big strength and can cause the clamp injury to the finger when extending and contracting the extension ladder, the not good problem of work efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a single-support telescopic escalator comprises an outer ladder pipe, wherein an inner ladder pipe is arranged inside the outer ladder pipe, one end of the inner ladder pipe extends to the outside of the outer ladder pipe, a chassis is arranged below the outer ladder pipe and is in sliding connection with the outer ladder pipe, a hydraulic cylinder is arranged between the outer ladder pipe and the chassis, two ends of the hydraulic cylinder are respectively provided with a U-shaped connecting block, the two U-shaped connecting blocks are respectively in gas welding connection with two ends of the hydraulic cylinder, leg stepping plates are arranged on two sides of the outer ladder pipe, limiting holes are respectively arranged on two sides of the side wall of the outer ladder pipe and two sides of the side wall of the inner ladder pipe, four limiting holes are arranged, a locking spring is arranged between the limiting holes on two sides of the inner ladder pipe, locking pins are arranged on two sides of the locking spring and are in gas welding connection with two ends of the locking spring, a switch box is arranged on one side of the limiting holes on two sides of the outer ladder pipe, and is in gas welding connection with the outer ladder pipe, two the one end of locking round pin all runs through interior ladder pipe and outer ladder pipe and extends to the inside of switch box, the inside below of outer ladder pipe is provided with the base, the below of interior ladder pipe is provided with the bearing block, and bearing block and interior ladder pipe gas welding are connected.

Preferably, the two U-shaped connecting blocks are respectively connected with the outer ladder tube and the chassis in a sliding mode through bolts, and one ends of the bolts penetrate through the outer ladder tube and extend to the inner portion of the sliding groove.

Preferably, the upper part of the leg kicking plate is provided with a non-slip mat, and the lower end of the non-slip mat is attached to the upper end of the leg kicking plate.

Preferably, one side of the non-slip mat is provided with a buckle, one end of the buckle is connected with the leg-stepping plate in an air welding mode, and the other end of the buckle extends into the outer ladder tube.

Preferably, spring buttons are arranged on the outer portions of the two switch boxes, and one ends of the spring buttons extend to the inner portions of the switch boxes.

Preferably, a cylinder is arranged between the base and the bearing block, and two ends of the cylinder are respectively connected with the base and the bearing block in a gas welding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a device is through the chassis that sets up in outer ladder pipe below, and the pneumatic cylinder that sets up between chassis and the outer ladder pipe can change the angle between chassis and the outer ladder pipe through driving hydraulic cylinder to can change the angle of putting of flexible staircase, the setting on chassis can provide the strong point for flexible staircase, guarantees the stability of flexible staircase. The problem of because lack the strong point, lead to the stability of flexible staircase not enough, take place to slip and can not be free regulation flexible staircase angle is solved.

2. The utility model discloses a device is through the cylinder that sets up in the inside of outer ladder pipe, can drive extension and the shrink of interior ladder pipe through driving actuating cylinder, and easily control avoids because the falling speed can lead to the finger clamp of support person to hinder at the excessive speed. The problem of flexible staircase when contracting, because self gravity leads to the descending speed too fast, can cause the supporter to press from both sides the injury is solved.

3. The utility model discloses a locking round pin, locking spring, spring button and the switch box that the device passes through the setting, when flexible staircase extends the end, the locking round pin can pass spacing hole and extend to the switch box under the effect of locking spring to reach the locking. When the telescopic escalator is contracted, the locking pin is compressed to the outside of the switch box through the spring button. The problem of when extending and contracting the flexible staircase, the installation of locking can cost a large amount of time with dismantling, reduces work efficiency is solved.

Drawings

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

FIG. 2 is a connection diagram of the outer ladder tube, the chassis and the hydraulic cylinder of the present invention;

FIG. 3 is a diagram of the locking connection relationship between the outer ladder tube and the inner ladder tube of the present invention;

FIG. 4 is a cross-sectional view of the connection between the outer ladder tube and the inner ladder tube of the present invention;

FIG. 5 is a drawing showing the telescopic connection relationship between the outer ladder tube and the inner ladder tube;

fig. 6 is a connection relationship diagram of the leg-stepping plate and the outer ladder tube of the present invention.

In the figure: 1. an outer ladder tube; 2. an inner ladder tube; 3. a chassis; 4. a leg board; 5. a U-shaped connecting block; 6. a non-slip mat; 7. a hydraulic cylinder; 8. a bolt; 9. buckling; 10. a locking pin; 11. a locking spring; 12. a limiting hole; 13. a spring button; 14. a switch box; 15. a base; 16. a cylinder; 17. a bearing block; 18. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, the present invention provides an embodiment: a single-support telescopic escalator comprises an outer ladder tube 1, an inner ladder tube 2 is arranged inside the outer ladder tube 1, one end of the inner ladder tube 2 extends to the outside of the outer ladder tube 1, a chassis 3 is arranged below the outer ladder tube 1, the chassis 3 is connected with the outer ladder tube 1 in a sliding mode, the surface area of the chassis 3 is large and can provide stability for the telescopic escalator, a hydraulic cylinder 7 is arranged between the outer ladder tube 1 and the chassis 3 and can change the placing angle of the telescopic escalator, U-shaped connecting blocks 5 are arranged at two ends of the hydraulic cylinder 7, the two U-shaped connecting blocks 5 are respectively connected with two ends of the hydraulic cylinder 7 in a gas welding mode, leg-treading plates 4 are arranged at two sides of the outer ladder tube 1, limiting holes 12 are arranged at two sides of the side wall of the outer ladder tube 1 and the side wall of the inner ladder tube 2, four limiting holes 12 are arranged, locking springs 11 are arranged between the limiting holes 12 at two sides of the inner ladder tube 2, and pins 10 can be popped out, locking spring 11's both sides all are provided with locking round pin 10, and two locking round pins 10 are connected with locking spring 11's the equal gas welding in both ends, one side of the spacing hole 12 in outer terraced pipe 1 both sides is provided with switch box 14, and switch box 14 is connected with outer terraced pipe 1 gas welding, the inside that interior terraced pipe 2 and outer terraced pipe 1 and extend to switch box 14 is all run through to the one end of two locking round pins 10, the inside below of outer terraced pipe 1 is provided with base 15, the below of interior terraced pipe 2 is provided with bearing block 17, and bearing block 17 is connected with interior terraced pipe 2 gas welding.

Further, two U type connecting blocks 5 pass through bolt 8 sliding connection with outer ladder pipe 1 and chassis 3 respectively, and the one end of bolt 8 runs through outer ladder pipe 1 and extends to the inside of spout 18. Convenient to detach and assemble, and convenient to carry and transport.

Further, an anti-slip pad 6 is arranged above the leg-pedaling plate 4, and the lower end of the anti-slip pad 6 is attached to the upper end of the leg-pedaling plate 4. The non-slip mat 6 can prevent accidents caused by the slipping of the feet of the user when in use.

Further, one side of the non-slip mat 6 is provided with a buckle 9, one end of the buckle 9 is connected with the leg-stepping plate 4 in a gas welding mode, and the other end of the buckle 9 extends to the inside of the outer ladder tube 1. The footrest 4 can be fixed by means of a catch 9.

Further, spring buttons 13 are provided on the outer portions of both switch boxes 14, and one ends of the spring buttons 13 extend to the inside of the switch boxes 14. The locking pin 10 can be compressed to the outside of the switch box 14 by the spring button 13, so that the inner ladder tube 2 can be contracted.

Further, an air cylinder 16 is arranged between the base 15 and the bearing block 17, and two ends of the air cylinder 16 are respectively connected with the base 15 and the bearing block 17 in a gas welding mode. The inner ladder tube 2 is driven to extend and retract by driving the air cylinder 16.

The working principle is as follows: during the use, through the cylinder 16 of the inside setting of the outer ladder pipe 1 of drive, the extension through cylinder 16 drives interior ladder pipe 2 and extends, when interior ladder pipe 2 extends maximum position department, the locking spring 11 of the inside setting of interior ladder pipe 2 will wear out locking pin 10 by spacing hole 12 and extend to the inside of switch box 14 through the characteristic of self, this just can be with outer ladder pipe 1 and the locking of interior ladder pipe 2, install the both sides of outer ladder pipe 1 with kicking plate 4, the inside of outer ladder pipe 1 is inserted to the one end of buckle 9 that will set up on kicking plate 4, thereby can supply the user to use. Because outer ladder pipe 1 and chassis 3, U type connecting block 5 and outer ladder pipe 1 and chassis 3 between sliding connection, can change the angle of putting of flexible staircase through drive pneumatic cylinder 7, the use of the flexible staircase of being convenient for. After the telescopic escalator is used, the leg stepping plate 4 can be detached firstly, one end of the locking pin 10 can be compressed to the outside of the switch box 14 through the spring button 13, at the moment, the inner ladder tube 2 can be received inside the outer ladder tube 1 through the contraction of the driving cylinder 16, and therefore the telescopic escalator is contracted and is convenient to carry and transport.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a single bracing escalator, includes outer ladder pipe, its characterized in that: an inner ladder pipe is arranged inside the outer ladder pipe, one end of the inner ladder pipe extends to the outside of the outer ladder pipe, a chassis is arranged below the outer ladder pipe and is connected with the outer ladder pipe in a sliding mode, a hydraulic cylinder is arranged between the outer ladder pipe and the chassis, two ends of the hydraulic cylinder are respectively provided with a U-shaped connecting block, two U-shaped connecting blocks are respectively connected with two ends of the hydraulic cylinder in a gas welding mode, two sides of the outer ladder pipe are respectively provided with a leg-stepping plate, two sides of the side wall of the outer ladder pipe and the side wall of the inner ladder pipe are respectively provided with a limiting hole, four limiting holes are arranged, a locking spring is arranged between the limiting holes on two sides of the inner ladder pipe, two sides of the locking spring are respectively provided with a locking pin, the two locking pins are respectively connected with two ends of the locking spring in a gas welding mode, one side of the limiting holes on two sides of the outer ladder pipe is provided with a switch box, the switch box is connected with the outer ladder pipe in a gas welding mode, one end of each locking pin, the inside below of outer ladder pipe is provided with the base, the below of interior ladder pipe is provided with the bearing block, and bearing block and interior ladder pipe gas welding are connected.

2. The single support escalator of claim 1, wherein: two the U type connecting block passes through bolt sliding connection with outer ladder pipe and chassis respectively, and the one end of bolt runs through outer ladder pipe and extends to the inside of spout.

3. The single support escalator of claim 1, wherein: and an anti-slip pad is arranged above the leg pedaling plate, and the lower end of the anti-slip pad is attached to the upper end of the leg pedaling plate.

4. A single support escalator as claimed in claim 3, wherein: one side of slipmat is provided with the buckle, and the one end of buckle is connected with the pedal leg board gas welding, the other end of buckle extends to the inside of outer ladder pipe.

5. The single support escalator of claim 1, wherein: two the outside of switch box all is provided with spring button, and spring button's one end extends to the inside of switch box.

6. The single support escalator of claim 1, wherein: and an air cylinder is arranged between the base and the bearing block, and two ends of the air cylinder are respectively connected with the base and the bearing block in a gas welding mode.

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