CN220133877U

CN220133877U - Safety hanging ladder

Info

Publication number: CN220133877U
Application number: CN202320265991.0U
Authority: CN
Inventors: 赵丽霞; 郭慧峰
Original assignee: Guangyuan China Nuclear Polytechnic Sichuan Nuclear Industry Technician College
Current assignee: Guangyuan China Nuclear Polytechnic Sichuan Nuclear Industry Technician College
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-12-05
Anticipated expiration: 2033-02-21

Abstract

The utility model provides a safe hanging ladder, which comprises two ladder frame plates which are arranged in parallel, wherein a plurality of foot pedals are fixedly connected between the two ladder frame plates along the length direction of the ladder frame plates at equal intervals, a connector is fixedly connected to the upper position of one surface of the two ladder frame plates, which is away from the ladder frame plates, a first threaded blind hole is formed in one surface of the connector, which is away from the ladder frame plates, a threaded column is connected with the first threaded blind hole in an internal thread manner, one end of the threaded column is fixedly connected with a limiting rod used for being lapped on a stand column at the edge of a building, a second threaded blind hole matched with the threaded column is formed in the middle position of one surface of the limiting rod, which is away from the threaded column, a penetrating hole is formed in the middle position of the outer surface of the limiting rod, and a round rod used for being clamped on one side surface of the stand column adjacent to the limiting rod is inserted into the penetrating hole: the upper end of the ladder is lapped at the edge of the upper floor slab in the newly built building in a hanging state, and the safety is improved.

Description

Safety hanging ladder

Technical Field

The utility model relates to a safe hanging ladder, and belongs to the field of building construction.

Background

In the building construction process, the ladder is a common tool, so that the ladder is placed between the upper floor slab and the lower floor slab, and personnel can conveniently transfer between the upper floor slab and the lower floor slab. At present, when a ladder is placed between two floors of an upper floor and a lower floor, although a ladder with hooks exists in the market, as no protrusion exists at the edge of a newly-built building, the upper end of the ladder is difficult to lap at the edge of the upper floor in a hanging state, and a person can easily slide down when climbing the ladder, and the upper end of the ladder is not in a hanging state, so that the safety of the person climbing the ladder is threatened, and therefore, a safe hanging ladder which can lap at the edge of the upper floor in the newly-built building in the hanging state is required to be designed.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a safe hanging ladder so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a safe ladder of hanging, includes two parallel arrangement's ladder frame board, two along ladder frame board length direction equidistance connection between the ladder frame board is fixed with a plurality of running-boards, two the ladder frame board deviates from the one side upper position that faces mutually all is connected with the connector, first screw thread blind hole has been seted up to the one side that the connector deviates from the ladder frame board, first screw thread blind hole internal thread connection has the screw thread post, screw thread post one end is fixed and is used for the gag lever post of overlap joint on the stand of building edge, the one side middle part position that the screw thread post was kept away from to the gag lever post has been seted up with screw thread post matched with second screw thread blind hole, the interlude hole that arranges along gag lever post radial direction is seted up to gag lever post surface middle part position, install in the interlude hole and be used for the round bar of card on the adjacent side of stand and gag lever post.

Further, external threads are machined on the outer surfaces of the two ends of the round rod, screw caps are connected with the two ends of the round rod in a threaded mode, and the diameter of each screw cap is larger than that of each penetrating hole.

Further, the inner surface of the through hole is stuck with a rubber sleeve, the rubber sleeve is wrapped on the round rod, and the inner diameter of the rubber sleeve is the same as the outer diameter of the round rod.

Further, a storage hole which is concentric with the first threaded blind hole is formed in the first threaded blind hole, an elastic piece which is arranged along the length direction of the storage hole is inserted in the storage hole, one end of the elastic piece extends into the first threaded blind hole and is fixedly connected with a column head which is used for sealing the opening end of the first threaded blind hole, and the column head is slidably arranged in the first threaded blind hole.

Further, two one sides of the ladder frame plates, which are far away from the connectors, are respectively connected with a support arm in a rotating manner, two reinforcing rods are fixedly connected between the support arms, support legs are arranged at the lower positions of one ends of the support arms, which are far away from the ladder frame plates, and one ends of the support arms, which are far away from the ladder frame plates, are respectively connected with an inclined support rod in a rotating manner through bolts, and one ends of the inclined support rods, which are far away from the support arms, are respectively connected with the ladder frame plates in a rotating manner.

Further, one end of the ladder frame plate far away from the connector is sleeved with an anti-skid sleeve fixedly connected with the ladder frame plate, and anti-skid lines are machined on the lower surface of the anti-skid sleeve.

Further, the upper surface of the pedal plate is provided with a plurality of strip-shaped grooves which are arranged along the length direction of the pedal plate, the two ends of the pedal plate are connected and fixed with reinforcing ribs, and one end, far away from the pedal plate, of each reinforcing rib is connected and fixed with the ladder frame plate.

The utility model has the beneficial effects that:

1. the upper end of the ladder frame plate is lapped at the edge of an upper floor, then a threaded column on one limit rod is screwed in a first threaded blind hole on a connecting head, the assembly of one limit rod and the ladder frame plate is completed, a proper number of limit rods are selected according to the distance between the upper end of the ladder frame plate and the upright post at the edge of the floor, the threaded column on one limit rod is screwed in a second threaded blind hole on the other limit rod, the assembly of two limit rods is completed, and so on, the assembly of a plurality of limit rods is completed, the structure formed by the limit rods, which is installed at the end part of the ladder frame plate, is lapped on the upright post at the edge of the floor, then round rods are inserted in penetrating holes of the limit rods which are furthest away from the ladder frame plate, at the moment, the structure formed by the limit rods and the round rods are respectively positioned at two adjacent side surfaces of the upright post at the edge of the floor, the upper end position of the ladder frame plate is limited, the upper end of the ladder is lapped at the edge of the upper floor of a newly-built building in a hanging state, the sliding condition of a person in the climbing process is avoided, and the safety is improved.

2. When the threaded column is screwed into the first threaded blind hole, the threaded column extrudes the column head, the column head extrudes the elastic piece, the elastic piece is retracted into the storage hole, the design of the storage hole prevents the elastic piece from being excessively extruded and damaged, after the threaded column is separated from the first threaded blind hole, the column head slides to the opening end of the first threaded blind hole under the action of the resilience force of the elastic piece, the real-time blocking of the opening end of the first threaded blind hole is realized, and tiny sundries are prevented from randomly entering the first threaded blind hole.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a safety hanging ladder according to the present utility model;

FIG. 2 is a schematic diagram showing the assembly of the post, the elastic member and the connector of the safety hanging ladder according to the present utility model;

FIG. 3 is a schematic diagram of the assembly of a safety hanging ladder threaded post and a stop lever of the present utility model;

in the figure: 1-ladder frame plate, 2-pedal, 3-antiskid sleeve, 4-support arm, 5-stabilizer blade, 6-diagonal brace, 7-screw thread lid, 8-round bar, 9-gag lever post, 10-connector, 11-first screw thread blind hole, 12-column cap, 13-elastic component, 14-storage hole, 15-screw thread post, 16-rubber cover, 17-second screw thread blind hole, 18-jack.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a safe ladder of hanging, including two parallel arrangement's ladder frame board 1, connect fixedly a plurality of running-boards 2 along ladder frame board 1 length direction equidistance between two ladder frame boards 1, through a plurality of bar grooves of arranging along running-board 2 length direction of processing on running-board 2 upper surface, increase the coefficient of friction on running-board 2 surface, make the fixed strengthening rib of running-board 2 both ends connection keep away from running-board 2's one end and be connected fixedly with two ladder frame boards 1 respectively, improve the mechanical strength that running-board 2 and ladder frame board 1 are connected, through the one end cover that keeps away from connector 10 at ladder frame board 1 establish with ladder frame board 1 be connected fixed anti-skidding cover 3, and processing has the anti-skidding line under anti-skidding cover 3, play the effect of protection ladder frame board 1 lower extreme on the one side, on the other hand improve ladder frame board 1 lower extreme antiskid nature.

Referring to fig. 1, the two ladder frame plates 1 are respectively connected with a support arm 4 in a rotating manner on one side far away from the connector 10, wherein a reinforcing rod is fixedly connected between the two support arms 4, the reinforcing rod improves the stability of the structure between the two support arms 4, after the upper ends of the ladder frame plates 1 are lapped at the edge of an upper floor, the support arms 4 are unfolded and are in a horizontal shape, at the moment, the support legs 5 arranged at the lower part of one end of the support arms 4 far away from the ladder frame plates 1 are contacted with the surface of the lower floor, one end of the support arms 4 far away from the ladder frame plates 1 is rotationally connected with the inclined support rods 6 by utilizing bolts, one end of the inclined support rods 6 far away from the support arms 4 are rotationally connected with the ladder frame plates 1, and at the moment, the inclined support rods 6, the support arms 4 and the ladder frame plates 1 jointly form a triangular structure, so that stable support of the ladder frame plates 1 is realized.

Referring to fig. 1, 2 and 3, a fixed connector 10 is connected to the upper position of the side, facing away from the ladder frame plates 1, of the two ladder frame plates 1, a first threaded blind hole 11 is formed on the side, facing away from the ladder frame plates 1, of the connector 10, a threaded post 15 is connected to the first threaded blind hole 11 in a threaded manner, one end of the threaded post 15 is fixed to a limit rod 9 on a stand column which is used for being lapped at the building edge, a second threaded blind hole 17 matched with the threaded post 15 is formed in the middle position of the side, facing away from the threaded post 15, of the limit rod 9, an insertion hole 18 which is arranged along the radial direction of the limit rod 9 is formed in the middle position of the outer surface of the limit rod 9, a round rod 8 which is used for being clamped on the side, adjacent to the stand column and the limit rod 9, external threads are formed on the outer surfaces of the two ends of the round rod 8, threaded caps 7 with diameters larger than the diameter of the insertion hole 18 are connected to the two ends of the round rod 8 in a threaded manner, preventing the round rod 8 from separating from the insertion hole 18, inserting the round rod 8 into the rubber sleeve 16 stuck on the inner surface of the insertion hole 18, increasing the friction coefficient between the round rod 8 and the inner wall of the insertion hole 18 because the inner diameter of the rubber sleeve 16 is the same as the outer diameter of the round rod 8, preventing the random movement of the limit rods 9, overlapping the upper end of the ladder frame plate 1 at the edge of an upper layer of the floor, screwing the threaded column 15 on one limit rod 9 into the first threaded blind hole 11 on the connector 10 to complete the assembly of one limit rod 9 and the ladder frame plate 1, selecting a proper number of limit rods 9 according to the spacing between the upper end of the ladder frame plate 1 and the upright column at the edge of the floor, screwing the threaded column 15 on one limit rod 9 into the second threaded blind hole 17 on the other limit rod 9 to complete the assembly of the two limit rods 9, and so on to complete the assembly of a plurality of limit rods 9, the structure formed by the limiting rods 9 arranged at the end part of the ladder frame plate 1 is lapped on the upright post at the edge of the floor, then the round rod 8 is inserted into the penetrating hole 18 of the limiting rod 9 furthest from the ladder frame plate 1, at the moment, the structure formed by the limiting rods 9 and the round rod 8 are respectively positioned at two adjacent side surfaces of the upright post at the edge of the floor, so that the limitation on the upper end position of the ladder frame plate 1 is realized, the upper end of the ladder is lapped at the edge of the upper floor in a newly-built building in a hanging state, the sliding condition of personnel in the climbing process is avoided, and the safety is improved.

Referring to fig. 2 and 3, a storage hole 14 concentrically arranged with the first threaded blind hole 11 is formed in the first threaded blind hole 11, an elastic piece 13 arranged along the length direction of the storage hole 14 is inserted into the storage hole 14, the elastic piece 13 can adopt a spring, one end of the elastic piece 13 extends into the first threaded blind hole 11 and is fixedly connected with a column head 12 for blocking the open end of the first threaded blind hole 11, the column head 12 is slidably mounted in the first threaded blind hole 11, when the threaded column 15 is screwed into the first threaded blind hole 11, the threaded column 15 presses the column head 12, the column head 12 presses the elastic piece 13, the elastic piece 13 is retracted into the storage hole 14, the storage hole 14 is designed to prevent the elastic piece 13 from being excessively extruded and damaged, and after the threaded column 15 is separated from the first threaded blind hole 11, the column head 12 slides to the open end of the first threaded blind hole 11 under the rebound effect of the elastic piece 13, so that the open end of the first threaded blind hole 11 is blocked in real time, and tiny impurities are prevented from entering the first threaded blind hole 11 at will.

Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A safety hanging ladder comprising two parallel arranged ladder frame plates (1), characterized in that: two be fixed with a plurality of running-boards (2) along ladder frame board (1) length direction equidistance connection between ladder frame board (1), two the one side upper position that ladder frame board (1) deviates from all is connected and is fixed with connector (10), first screw thread blind hole (11) have been seted up to the one side that connector (10) deviates from ladder frame board (1), first screw thread blind hole (11) female screw thread connection has screw thread post (15), screw thread post (15) one end is fixed gag lever post (9) on the stand that are used for the overlap joint in building edge, gag lever post (9) are kept away from screw thread post (15) one side middle part position and are offered with screw thread post (15) matched with second screw thread blind hole (17), gag lever post (9) surface middle part position has been seted up along round bar (8) that gag lever post (9) radial direction arranged, insert round bar (8) that are used for blocking on the adjacent side of stand and gag lever post (9) in the penetration hole (18).

2. A safety hanging ladder according to claim 1, characterized in that: external threads are machined on the outer surfaces of the two ends of the round rod (8), threaded covers (7) are connected with the two ends of the round rod (8) in a threaded mode, and the diameter of each threaded cover (7) is larger than that of each penetrating hole (18).

3. A safety hanging ladder according to claim 2, characterized in that: the inner surface of the penetration hole (18) is stuck with a rubber sleeve (16), the rubber sleeve (16) is wrapped on the round rod (8), and the inner diameter of the rubber sleeve (16) is the same as the outer diameter of the round rod (8).

4. A safety hanging ladder according to claim 1, characterized in that: storage hole (14) concentric with first screw thread blind hole (11) have been seted up in first screw thread blind hole (11), install in storage hole (14) along storage hole (14) length direction's elastic component (13) of arranging, elastic component (13) one end extends to in first screw thread blind hole (11) and is connected and is fixed with column cap (12) that are used for shutoff first screw thread blind hole (11) open end, column cap (12) slidable mounting is in first screw thread blind hole (11).

5. A safety hanging ladder according to claim 1, characterized in that: two one sides of connector (10) are kept away from to ladder frame board (1) all rotate and are connected with support arm (4), two connect between support arm (4) and be fixed with the stiffener, support arm (4) are kept away from one end lower part position of ladder frame board (1) and are installed stabilizer blade (5), support arm (4) are kept away from one end of ladder frame board (1) and are connected with diagonal brace (6) through the bolt rotation, one end that support arm (4) were kept away from to diagonal brace (6) is rotated with ladder frame board (1) and is connected.

6. A safety hanging ladder according to claim 1, characterized in that: one end of the ladder frame plate (1) far away from the connector (10) is sleeved with an anti-slip sleeve (3) fixedly connected with the ladder frame plate (1), and anti-slip lines are machined on the lower surface of the anti-slip sleeve (3).

7. A safety hanging ladder according to claim 1, characterized in that: the upper surface of the pedal plate (2) is provided with a plurality of strip-shaped grooves which are arranged along the length direction of the pedal plate (2), two ends of the pedal plate (2) are connected and fixed with reinforcing ribs, and one end, far away from the pedal plate (2), of each reinforcing rib is connected and fixed with the ladder frame plate (1).