CN209942714U

CN209942714U - Construction climbing ladder convenient for tunnel cambered surface operation

Info

Publication number: CN209942714U
Application number: CN201920605799.5U
Authority: CN
Inventors: 王镜越; 安航; 何忠舟; 李吉波; 刘锋; 冯木均; 马筑湘
Original assignee: Guizhou Highway Engineering Group Co Ltd
Current assignee: Guizhou Highway Engineering Group Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-14
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a climbing ladder is used in construction convenient to tunnel cambered surface operation, rotate the ladder frame of being connected, its characterized in that including the workstation and with the workstation both sides: the utility model discloses a slide rail, including ladder frame, slide bar, clamping device, slide bar, slide.

Description

Construction climbing ladder convenient for tunnel cambered surface operation

Technical Field

The utility model relates to a tunnel construction equipment technical field specifically is a climbing ladder is used in construction convenient to tunnel cambered surface operation.

Background

Along with the development of cities, subways are gradually increased in various cities at present, most of the subways run in tunnels, various facilities need to be built in the tunnels before the subways run, so that the subways can smoothly pass, a ladder or a scaffold is inevitably needed for construction in the tunnels, but the building process of the scaffold is troublesome and cannot be easily moved, high-level construction in the tunnels can be realized by adopting the ladder, but most of the cross sections of the tunnels are cambered surfaces, so that the herringbone ladders cannot be placed in enough space under the condition that the cambered surfaces at the edges are numerous, the conventional operation mode is to tightly abut one supporting leg of the herringbone ladders against the bottom of the tunnel wall so as to be close to the cambered surfaces as possible for operation, but the space is relatively narrow, and the construction efficiency is influenced; in addition, the opening degree between the existing herringbone ladders is not well adjusted, and the space for placing tools, materials and other articles is not available, so that the utility model provides a climbing ladder for construction convenient for tunnel cambered surface operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a climbing ladder is used in construction convenient to tunnel cambered surface operation to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a climbing ladder is used in construction convenient to tunnel cambered surface operation, includes the workstation and rotates the ladder frame of being connected, its characterized in that with workstation both sides: the utility model discloses a slide bar, including ladder frame, slide bar, clamping device, slide bar, slide.

Preferably, the slide is connected with the commentaries on classics piece through its lower extreme fixedly connected with fixed block, the lower extreme fixedly connected with bottom plate of commentaries on classics piece, the downside of bottom plate is equipped with a plurality of non-slip raised.

Preferably, latch device includes the dead slot, the downside at the workstation is opened to the dead slot, and the tank bottom of dead slot communicates with each other with the spout through the spread groove that it had to open on it, there is the slide tank bottom of dead slot through first spring coupling, fixedly connected with card post on the last side of slide, fixedly connected with rotor on the downside, two fixture blocks of fixedly connected with all around of slide, it has the rotor groove to open on the cell wall of dead slot, it has two to run through groove and two camera grooves to open respectively on the cell wall of rotor groove.

Preferably, the inner end surfaces of the clamping column, the locking bolt and the fixing bolt are spherical surfaces.

Preferably, the upper side surface of the workbench is provided with a tool groove.

Preferably, the inside fixedly connected with dead lever of spout, just the slide bar slides and cup joints on the dead lever.

Preferably, a placing groove is formed in the outer side face of one ladder frame, the placing groove is connected with a prism through a guide rod in a sliding mode on the side wall of the placing groove, a second spring is connected between the prism and the side wall of the placing groove, the prism and a roller shaft are movably connected inside the placing groove in a clamping mode in a rotating mode, the outer end of the prism is fixedly connected with a pressing shaft, the outer end of the pressing shaft penetrates through the roller shaft and extends to the outside of the roller shaft, the outer end of the roller shaft extends to the outside of the placing groove through a notch of the placing groove and is wound with a pull rope, and one end, far away from the roller shaft, of the pull rope is fixedly connected with.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a workstation, two ladder frames and two slides, workstation and two ladder frames can form a more stable shape, and the setting of workstation can provide a work platform for constructor, convenient construction, the setting of slide can make the arbitrary change of height in the certain limit of one side simultaneously, can make this device be applicable to the operation of the interior cambered surface condition of tunnel, and this device can be folded, can keep fold condition simultaneously always to can conveniently carry, improve work efficiency.

Drawings

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

FIG. 2 is a schematic view of the present invention in a folded state;

FIG. 3 is a schematic view of the lower side surface structure of the working table of the present invention;

fig. 4 is an exploded view of the slider and rail of the present invention;

FIG. 5 is a schematic view of the underside of the bottom plate of the present invention;

fig. 6 is an exploded view of the ladder frame and the slide of the present invention;

fig. 7 is an exploded view of the clamp post and the empty slot of the present invention;

FIG. 8 is a schematic view of the usage state of the present invention;

FIG. 9 is a schematic view II of the present invention in use;

fig. 10 is a schematic view of the usage state of the present invention;

FIG. 11 is a schematic view of the connection between the fixing rod and the sliding rod according to the present invention;

fig. 12 is an exploded view of the roller and the placement groove of the present invention;

fig. 13 is a comparison diagram of the operation of the arc surface portion of the present invention.

In the figure: 1. the working table comprises a working table, 2, a ladder frame, 3, a sliding groove, 4, a fixed rod, 5, a sliding rod, 6, a track, 7, a slide, 8, a sliding block, 9, a groove, 10, a clamping hole, 11, a placing groove, 12, a guide rod, 13, a fixed bolt, 14, a fixed block, 15, a rotating block, 16, a bottom plate, 17, a hollow groove, 18, a connecting groove, 19, a through groove, 20, a rotating groove, 21, a blind groove, 22, a clamping column, 23, a first spring, 24, a sliding plate, 25, a clamping block, 26, a tool groove, 27, a clamping groove, 28, a rotating ring, 29, a prism, 30, a second spring, 31, a limiting ring, 32, a rolling shaft, 33, a prismatic groove, 34, a pressing shaft, 35, a pull rope, 36 and a fixed column.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-13, the present invention provides a technical solution: a climbing ladder convenient for tunnel cambered surface operation for construction comprises a workbench 1 and ladder frames 2 rotatably connected with two sides of the workbench 1, wherein the ladder frames 2 are slidably connected with a slide 7 through rails 6 arranged on the inner side surfaces of the ladder frames 2, transverse pedal rods are arranged on the ladder frames 2 and the slide 7, the ladder frames 2 and the slide 7 are formed by combining two vertical rods and a plurality of pedal rods, the two vertical rods of the ladder frames 2 are rotatably connected with two side surfaces of the workbench 1, the two rails 6 are respectively arranged on the inner side surfaces of the two vertical rods of the ladder frames 2, sliders 8 (the number of the sliders 8 can be multiple) are fixedly connected on the side surfaces of the two vertical rods of the slide 7, one end of each slider 8 extends into the corresponding rail 6, the shape of each rail 6 and the shape of each slider 8 positioned inside the corresponding rail 6 are T-shaped, so that the sliders 8 can be prevented from being separated from the corresponding rail 6, a chute 3 is arranged inside the workbench 1, and the inside of the chute 3 is connected with the slide bar 5 in a sliding way, the two ends of the chute 3 are provided with clamping devices, and the clamping devices are movably clamped with clamping grooves 27 arranged on the bottom surface of the slide bar 5, so that the slide bar 5 can be fixed at the two ends of the chute 3 respectively and can not slide, the device can be kept in a contraction state or an expansion state all the time, the two ends of the slide bar 5 respectively extend to the outside of the chute 3 and are rotatably connected with one of the ladder frames 2, the two vertical bars of the ladder frames 2 are rotatably connected with the two ends of the slide bar 5 respectively, one side surface of the slide 7 close to the corresponding ladder frame 2 is provided with a groove 9, a plurality of clamping holes 10 are arranged in the groove 9, the ladder frame 2 is engaged with fixing bolts 13 for fastening, the groove 9 is arranged on the vertical bars of the slide 7, and can be engaged and connected with the clamping holes 10 by rotating the fixing bolts 13 when the slide 7 is pulled open, so that, the device is kept at a fixed height.

Particularly, slide 7 is connected with commentaries on classics piece 15 through fixed block 14 that its lower extreme fixed connection has, the lower extreme fixedly connected with bottom plate 16 of commentaries on classics piece 15, the downside of bottom plate 16 is equipped with a plurality of non-slip raised, and the non-slip raised's on commentaries on classics piece 15, bottom plate 16 and the bottom plate 16 setting can make this device more firm.

Specifically, the clamping device comprises an empty groove 17, a connecting groove 18, a penetrating groove 19, a rotating groove 20, a hidden groove 21, a clamping column 22, a first spring 23, a sliding plate 24, a clamping block 25 and a rotating ring 28, the empty groove 17 is arranged on the lower side surface of the workbench 1, the bottom surface of the empty groove 17 is communicated with the sliding groove 13 through the connecting groove 18 arranged on the empty groove 17, the bottom surface of the empty groove 17 is connected with the sliding plate 24 through the first spring 23, the rotating ring 28 is arranged between the first spring 23 and the bottom surface of the empty groove 17, the rotating ring 28 is rotatably connected in the empty groove 17 and fixedly connected with the first spring 23, the first spring 23 can be prevented from being damaged due to torsion, the clamping column 22 is fixedly connected on the upper side surface of the sliding plate 24, the rotating plate is fixedly connected on the lower side surface, the clamping column 22 can extend into the sliding groove 3 through the connecting groove 18 and is clamped with the clamping groove 27, the periphery of the sliding plate 24 is fixedly connected with two clamping blocks 25, the two clamping blocks 25 are symmetrical to each other, the groove wall of the empty groove 17 is provided with a rotating groove 20, the groove wall of the rotating groove 20 is respectively provided with two through grooves 19 and two blind grooves 21, the two through grooves 19 are symmetrical to each other, the two blind grooves 21 are also symmetrical to each other, the sliding plate 24 can be pressed to overcome the elastic force of the first spring 23, at this time, the clamping blocks 25 move into the rotating groove 20 through the through grooves 19, the clamping columns 22 can be clamped with the sliding rod 5, then the sliding plate 24 is loosened when the sliding plate 24 is rotated to enable the clamping blocks 25 to be in contact with the blind grooves 21, at this time, the clamping blocks 25 can be clamped with the blind grooves 21 under the action of the first spring 23, and therefore the clamping columns 22 can be separated from being clamped with the sliding rod.

Specifically, the inner end surfaces of the clamping column 22 and the fixing bolt 13 are spherical surfaces, so that the clamping column 22 and the fixing bolt 13 can be conveniently clamped with the corresponding clamping groove 27 and the corresponding clamping hole 10.

Specifically, the upper side of the working table 1 is provided with a tool slot 26, the working table 1 can be used for placing some tools, and the tool slot 26 can prevent the tools from falling off the working table 1.

Particularly, 3 inside fixedly connected with dead levers 4 of spout, just slide bar 5 slides and cup joints on

dead lever

4, and 4 fixed connection of dead lever are between the both ends cell wall of spout 3, and there are two dead levers 4 in the inside of spout 3, and dead lever 4 can make slide bar 5 only can slide in the inside of spout 3, prevents that crooked card from dying the condition and appearing.

In order to make the climbing ladder more stable, a connecting device can be arranged between the two ladder frames 2, but because the opening variation range of the climbing ladder is larger, and the existing connecting rod form cannot obtain a better effect, specifically, the outer side surface of the ladder frame 2 is provided with the placing groove 11, the placing groove 11 is connected with the prism 29 in a sliding way through the guide rod 12 fixedly connected on the side wall of the placing groove 11, the guide rod 12 limits the movement track of the prism 29, so that the prism 29 can only slide back and forth along the direction of the guide rod 12, the second spring 30 is connected between the prism 29 and the side wall of the placing groove 11, the second spring 30 is sleeved on the outer side of the guide rod 12, the prism 29 is movably clamped with the roller 32 rotatably connected inside the placing groove 11, the inner end surface of the roller 32 is provided with the corresponding edge groove 33, so that the prism 29 can not rotate randomly when the prism 29 is clamped, the prism 29 is movably clamped with the roller 32 all the time under the action of the elastic force of the second spring 30, the wall of the placing groove 11 is fixedly connected with a limiting ring 31, the roller 32 is provided with a corresponding limiting groove, the roller 32 can be ensured not to be separated from the placing groove 11, the outer end of the prism 29 is fixedly connected with a pressing shaft 34, the outer end of the pressing shaft 34 penetrates through the roller 32 and extends to the outer part of the roller 32, the prism 29 can be separated from the clamping connection with the roller 32 by overcoming the elastic force of the second spring 30 by pressing the pressing shaft 34, then the roller 32 can be rotated to collect or release the pull rope 35, the outer end of the roller 32 extends to the outer part of the placing groove 11 through the notch of the placing groove 11 and is wound with the pull rope 35, the baffle plate with a larger diameter is fixedly connected to the outer end face of the roller 32 to prevent the pull rope 35 from being separated from the roller 32, one end of the pull rope 35 far away from the roller 32 is fixedly connected with a, the distance between two ladder frames 2 can be limited by the arrangement of the rolling shaft 32, the pull rope 35 and the fixing column 36, so that the device becomes more stable, when the distance between the two ladder frames 2 needs to be adjusted, the pressing shaft 34 is pressed down to enable the prism 29 and the edge groove 33 to be separated from clamping connection, and the rolling shaft 32 can rotate at will at this moment, so that the adjustment can be carried out at will.

The working principle is as follows: when the device is used, the device is pushed to a specified position, the pressing shaft 34 is pressed down, then the two ladder frames 2 are respectively rotated, after the two ladder frames 2 are rotated to a specified angle, the pressing shaft 34 is loosened to enable the prism 29 and the roller 32 to be restored to be clamped, then the sliding plate 24 positioned at the inner end of the sliding groove 3 is pressed to enable the clamping block 25 on the sliding plate to be separated from the clamping connection with the hidden groove 21, then the sliding plate 24 is rotated firstly and then the sliding plate 24 is loosened, at the moment, the sliding rod 5 can be slid to the outer end of the sliding groove 3, then the corresponding sliding plate 24 is pressed to enable the clamping block 25 on the sliding plate to move to the inner part of the rotating groove 20, then the sliding plate 24 is rotated, and then the sliding plate 24 is loosened, at the moment, whether the sliding board 7 slides out or not can be adjusted according to requirements, the sliding board 7 slides out, the fixing bolt 13 is rotated to be separated from the connection with the clamping hole 10, and when the sliding board 7 slides out to a specified, the device can be used, after the use, the slide 7 is slid back to the original position, the slide bar 5 is slid back to the inner end of the slide groove 3, finally the pressing shaft 34 is pressed down, the roller 32 is rotated to tighten the pull rope 35, then the pressing shaft 34 is released, and the two ladder frames 2 are tightly contracted under the action of the pulling rope 35, the utility model can complete the contraction of the device, is provided with a mechanism with adjustable height, can be adjusted according to the requirement, in addition, when the arc surface of the tunnel is operated, the utility model can provide more operation space, the traditional ladder can be arranged in a symmetrical mode, as shown in fig. 13, the left side is the usage of the present invention, the right side is the traditional usage, the area a is the operation surface, the contrast that can be clear sees that the utility model discloses a have bigger operating space, convenient construction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a climbing ladder is used in construction convenient to tunnel cambered surface operation, includes workstation (1) and rotates ladder frame (2) of being connected, its characterized in that with workstation (1) both sides: ladder frame (2) open track (6) sliding connection that has through its inboard face has slide (7), all be equipped with horizontal foot bar on ladder frame (2) and slide (7), and the inside of workstation (1) is opened there are spout (3), and spout (3) inside sliding connection has slide bar (5), spout (3) both ends are equipped with latch device, and latch device and slide bar (5) bottom surface open slot (27) activity joint that has, the both ends of slide bar (5) extend to the outside of spout (3) respectively and rotate with one of them ladder frame (2) and be connected, it has recess (9) to open on the side of ladder frame (2) that slide (7) are close to correspond, be equipped with a plurality of card holes (10) in recess (9), the meshing has fixing bolt (13) that are used for the fastening on ladder frame (2).

2. The climbing ladder for construction convenient for tunnel cambered surface operation as claimed in claim 1, wherein: slide (7) are connected with commentaries on classics piece (15) through fixed block (14) that its lower extreme fixed connection has, the lower extreme fixedly connected with bottom plate (16) of commentaries on classics piece (15), the downside of bottom plate (16) is equipped with a plurality of non-slip raised.

3. The climbing ladder for construction convenient for tunnel cambered surface operation as claimed in claim 1, wherein: clamping device includes dead slot (17), the downside in workstation (1) is opened in dead slot (17), and dead slot (17) communicates with each other with spout (3) through connecting groove (18) that it has opened on it, the tank bottom of dead slot (17) is connected with slide (24) through first spring (23), fixedly connected with card post (22) on the last side of slide (24), fixedly connected with rotor plate on the downside, two fixture blocks (25) of fixedly connected with all around of slide (24), it has rotor groove (20) to open on the cell wall of dead slot (17), it has two to run through groove (19) and two camera obscuras (21) to open respectively on the cell wall of rotor groove (20).

4. The climbing ladder for construction convenient for operation of a tunnel cambered surface as claimed in claim 3, wherein: the inner end surfaces of the clamping column (22) and the fixing bolt (13) are spherical surfaces.

5. The climbing ladder for construction convenient for tunnel cambered surface operation as claimed in claim 1, wherein: the upper side surface of the workbench (1) is provided with a tool groove (26).

6. The climbing ladder for construction convenient for tunnel cambered surface operation as claimed in claim 1, wherein: the inside fixedly connected with dead lever (4) of spout (3), just slide bar (5) slip cup joint on dead lever (4).

7. The construction climbing ladder convenient for tunnel cambered surface operation as claimed in any one of claims 1 to 6, wherein: a placing groove (11) is arranged on the outer side surface of one ladder frame (2), the placing groove (11) is connected with a prism (29) in a sliding way through a guide rod (12) fixedly connected on the side wall of the placing groove, and a second spring (30) is connected between the prism (29) and the side wall of the placing groove (11), the prism (29) is movably clamped with a rolling shaft (32) which is rotatably connected inside the placing groove (11), the outer end of the prism (29) is fixedly connected with a pressing shaft (34), and the outer end of the pressing shaft (34) penetrates through the roller (32) and extends to the outside of the roller (32), the outer end of the rolling shaft (32) extends to the outside of the placing groove (11) through the notch of the placing groove (11) and is wound with a pull rope (35), one end of the pull rope (35) far away from the rolling shaft (32) is fixedly connected with a fixed column (36) fixedly connected to the other ladder frame (2).