CN111470455A - Operating platform for maintaining top of tunnel - Google Patents

Operating platform for maintaining top of tunnel Download PDF

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Publication number
CN111470455A
CN111470455A CN202010299147.0A CN202010299147A CN111470455A CN 111470455 A CN111470455 A CN 111470455A CN 202010299147 A CN202010299147 A CN 202010299147A CN 111470455 A CN111470455 A CN 111470455A
Authority
CN
China
Prior art keywords
platform
working platform
tunnel
base
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010299147.0A
Other languages
Chinese (zh)
Inventor
姚冠
林金山
何其磊
黄超
岑继赛
张义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Original Assignee
Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd filed Critical Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority to CN202010299147.0A priority Critical patent/CN111470455A/en
Publication of CN111470455A publication Critical patent/CN111470455A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/042Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars

Abstract

The invention discloses an operating platform for maintaining the top of a tunnel, which relates to the technical field of engineering construction equipment and comprises a base and a working platform, wherein a first sliding support and a first fixed support are arranged on the base, a telescopic connecting rod is rotatably connected onto the first sliding support and the first fixed support, the upper end of the telescopic connecting rod is rotatably connected with a second fixed support and a second sliding support, the upper end of the second fixed support is fixedly connected with the working platform, supporting rods are arranged at four corners of the working platform and are tightly attached to the top of the tunnel, wheels at the lower end of the base are controlled to contract by a scissor jack, four feet of the base are contacted and tightly attached to the ground, the upper and lower fixation of the operating platform is ensured, the stability of the operating platform is improved, the working efficiency is improved, and the operating platform can be prevented from turning over, the construction safety is improved.

Description

Operating platform for maintaining top of tunnel
Technical Field
The invention belongs to the technical field of engineering construction equipment, and particularly relates to an operating platform for maintaining the top of a tunnel.
Background
The tunnel is a common building structure in highways and railways, and is widely used because the tunnel can reduce the curvature and gradient of the road, shorten the length of the road and greatly reduce the construction period of the highways; because the tunnel is built inside the hillock, the difficulty of work is great when carrying out tunnel top maintenance, uses aerial working platform to maintain usually, when maintaining the tunnel top, the tunnel does not have the holding surface all around, and current aerial working platform stability is relatively poor, the risk of turning on one's side easily takes place, because the workstation swing has increased the degree of difficulty of construction moreover, therefore, we propose an operation platform for tunnel top maintenance.
Disclosure of Invention
In view of the shortcomings in the prior art, the present invention is directed to an operation platform for tunnel top maintenance, which solves the above problems in the prior art.
The purpose of the invention can be realized by the following technical scheme: the utility model provides an operation platform for tunnel top maintenance, includes base and work platform, work platform is last to have set up dead lever and bracing piece, the bracing piece rotates with work platform to be connected, the turned angle interval of bracing piece is ~, upper end of the support bar is laminated with the tunnel top mutually with work platform level vertical state down, the bracing piece has set up supporting seat and spacing hole, supporting seat and bracing piece fixed connection. The fixed rod is connected with the working platform in a sliding mode.
As a further scheme of the invention, the supporting seat is provided with a punctiform polyurethane block.
As a further scheme of the invention, the fixed rod is provided with a sliding groove and a limiting column, the limiting column is movably arranged in the sliding groove, and the limiting column is connected with the fixed rod in a sliding manner.
As a further scheme of the invention, the right end of the limit post is movably connected with a spring.
As a further scheme of the invention, two sides of the working platform are provided with rotating flat plates which are rotatably connected with the working platform.
As a further scheme of the present invention, a second reel is disposed on the working platform, the second reel is fixedly connected to the lead screw, the second reel is fixedly connected to a second pull rope, and the second pull rope is fixedly connected to the rotating flat plate.
As a further scheme of the invention, the supporting rod is provided with a pulley, the pulley is rotatably connected with the supporting rod, and the second pull rope is connected with the sliding rope.
As a further scheme of the invention, plastic pipes are arranged on the upper surface and the bottom surface of the working platform, and the second pull rope is arranged in the plastic pipes.
As a further scheme of the present invention, a first motor is disposed on the working platform, the first motor is fixedly mounted on the working platform, an output shaft of the first motor is fixedly connected with a first pulley, the first motor is connected with a rotating shaft through a belt, a second pulley is fixedly mounted on the rotating shaft, the rotating shaft is fixedly connected with a first reel, a first pull rope is disposed on the first reel, a lower end of the first pull rope is fixedly connected with a material rack, the material rack is slidably connected with a telescopic round rod, and the telescopic round rod is fixedly mounted on a bottom surface of the working platform.
As a further scheme of the invention, a scissor jack and a fixed plate are arranged on the lower side of the base, the scissor jack is fixedly arranged on the bottom surface of the base, the scissor jack is fixedly connected with the fixed plate, the fixed plate is connected with the base in a sliding manner, and four groups of wheels are arranged below the fixed plate.
As a further scheme of the invention, plastic pipes are arranged on the upper surface and the bottom surface of the working platform, and the second pull rope is arranged in the plastic pipes.
The invention has the beneficial effects that:
1. the supporting rods are arranged at four corners above the working platform and are tightly attached to the top of the tunnel, the wheels at the lower end of the base control the upward shrinkage of the wheels through the scissor jacks, and four bottom feet of the base are in contact with and tightly attached to the ground, so that the operating platform is fixed from top to bottom, the stability of the operating platform is improved, the working efficiency is improved, meanwhile, the operating platform can be prevented from being turned on one side, and the construction safety is improved.
2. The material conveying device is arranged on the working platform, the material rack is controlled to move up and down by controlling the forward and backward rotation of the first motor, the material conveying efficiency is improved, and therefore the working efficiency is greatly improved.
3. The two side faces of the working platform are provided with the retractable rotating flat plates which are pulled through the second pull ropes, so that the area of the operating platform is increased, and the convenience and the working efficiency of construction are improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of the construction of the support pole of the present invention;
FIG. 4 is a schematic structural view of a fixing bar of the present invention;
figure 5 is a cross-sectional view of a fixation rod of the present invention;
in the figure: a base-1, a wheel-2, a material rack-3, a first pull rope-4, a telescopic round rod-5, a first motor-6, a rotating shaft-7, a first reel-8, a working platform-9, a rotating flat plate-10, a support rod-11, a second pull rope-12, a fixed rod-13, a chute-131, a limit column-14, a pulley-15, a support seat-16, a point polyurethane block-161, a limit hole-162, a second motor-18, a screw-19, a second reel-20, a scissor jack-21, a rocking handle-22, a fixed plate-23, a first sliding support-24, a telescopic connecting rod-25, a plastic pipe-26, a ball support-27, a second fixed support-28, a second sliding support-29, a first sliding support-28, a second sliding support-29, a second sliding support-, A second belt wheel-31, a spring-32, a belt-33, a first belt wheel-34, a first fixed support-35 and a connecting plate-36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, in embodiment 1 of the present invention, an operating platform for tunnel top maintenance includes a base 1 and a first reel 8, a first sliding support 24 and a first fixed support 35 are disposed on the base 1, the first sliding support 24 is slidably connected to the base 1, the first fixed support 35 is fixedly connected to the base 1, a telescopic link 25 is rotatably connected to the first sliding support 24 and the first fixed support 35, an upper end of the telescopic link 25 is rotatably connected to a second fixed support 28 and a second sliding support 29, the second fixed support 28 is fixedly connected to a working platform 9, the second sliding support 29 is slidably connected to the working platform 9, a first motor 6, a fixed rod 13 and a support rod 11 are disposed on the working platform 9, the first motor 6 is fixedly mounted on the working platform 9, an output shaft of the first motor 6 is fixedly connected to a first belt pulley 34, first band pulley 34 is connected with belt 33, belt 33 is connected with second band pulley 31, second band pulley 31 and pivot 7 fixed connection, pivot 7 rotates with work platform 9 to be connected, pivot 7 and first spool 8 fixed connection, first stay cord 4 has been set up on the first spool 8, 4 lower extremes of first stay cord and work or material rest 3 fixed connection, flexible round bar 5 has been set up on the work or material rest 3, work or material rest 3 and flexible round bar 5 sliding connection, flexible round bar 5 fixed mounting is in work platform 9 bottom surface, bracing piece 11 rotates with work platform 9 to be connected, dead lever 13 and work platform 9 sliding connection, work platform 9 both sides have set up rotatory dull and stereotyped 10, rotatory dull and stereotyped 10 rotates with work platform 9 to be connected.
The second motor 18 is arranged on the base 1, the second motor 18 is fixedly installed on the base 1, an output shaft of the second motor 18 is fixedly connected with the lead screw 19, the lead screw 19 is rotatably connected with the base 1, the lead screw 19 is provided with the second reel 20 and the ball support 27, the ball support 27 is in threaded connection with the connecting plate 36, and the connecting plate 36 is fixedly connected with the first sliding support 24.
The supporting rod 11 is provided with a supporting seat 16, a pulley 15 and a limiting hole 162, the supporting seat 16 is fixedly connected with the supporting rod 11, the supporting seat 16 is provided with a point-shaped polyurethane block 161, and the pulley 15 is rotatably connected with the supporting rod 11; during construction, the second motor 18 is started to rotate anticlockwise to drive the screw rod 19 to rotate anticlockwise, the ball bearing 27 moves to the left side, the first sliding bearing 24 slides to the left side to drive the telescopic connecting rod 25 to contract to the middle, and the working platform 9 moves upwards; the rotary support rod 11 is attached to the pillars at four corners of the working platform 9, namely, is perpendicular to the working platform 9, the fixed rod 13 is provided with a sliding groove 131 and a limiting column 14, the limiting column 14 is movably installed in the sliding groove 131, the limiting column 14 is in sliding connection with the fixed rod 13, and the right end of the limiting column 14 is movably connected with a spring 32; upward movement dead lever 13 is to the spacing hole 162 position of bracing piece 11, under the spring action of spring 32, spacing post 14 inserts in spacing hole 162, its main effect is two adjacent bracing pieces 11 of fixing, the stability of bracing piece 11 has been improved, upward movement on work platform 9, make supporting seat 16 and tunnel top paste tightly, supporting seat 16 sets the arc, and the top has set up punctiform polyurethane piece 161, the friction at bracing piece 11 and tunnel top has been increased, the stability of bracing piece 11 has been improved, can avoid operation platform to take place to turn on one's side, the security has been improved.
The second reel 20 is fixedly connected with the lead screw 19, the second reel 20 is fixedly connected with the second pull rope 12, and the second pull rope 12 is fixedly connected with the rotating flat plate 10; second motor 18 anticlockwise rotation, drive lead screw 19 anticlockwise rotation, second reel 20 anticlockwise rotation and release second stay cord 12, make dull and stereotyped 10 of rotatory clockwise rotation level expand, with the laminating of work platform 9 level, operation platform's area has been increased, make the construction more convenient and fast, work efficiency has been improved, also improve safe operability simultaneously, dull and stereotyped 10 of rotatory has improved its fastness under the traction of second stay cord 12, simultaneously after the construction, when the starter motor clockwise rotates, second stay cord 12 tightens up under the clockwise rotation of second reel 20, drive dull and stereotyped 10 anticlockwise rotation of rotatory and laminate perpendicularly with work platform 9, convenient operation is swift, the volume of platform has been reduced.
The plastic pipes 26 are arranged on the upper surface and the bottom surface of the working platform 9, the second pull rope 12 is arranged in the plastic pipes 26, abrasion of the second pull rope 12 is reduced, and meanwhile interference between the second pull rope 12 and parts is avoided.
Example 2
Referring to fig. 1 to 5, in embodiment 2 of the present invention, an operating platform for tunnel top maintenance includes a base 1, a scissor jack 21 and a fixing plate 23 are disposed on a lower side of the base 1, the scissor jack 21 is fixedly mounted on a bottom surface of the base 1, the scissor jack 21 is fixedly connected to the fixing plate 23, the fixing plate 23 is slidably connected to the base 1, and four sets of wheels 2 are disposed below the fixing plate 23; during construction, the rocking handle 22 is rotated anticlockwise, the scissor jack 21 contracts towards the middle, the scissor jack 21 drives the fixing plate 23 to move upwards, the fixing plate 23 drives the wheels 2 to move upwards and separate from the ground, four feet of the base 1 are in contact with the ground, the contact area of the base 1 and the ground is increased, and the stability of the base 1 is improved; the material conveying device is arranged on the working platform 9, the first motor 6 is controlled to rotate forwards and backwards, the first pull rope 4 is controlled to be unfolded and tightened up through the first reel 8, and therefore the material rack 3 is controlled to slide up and down along the telescopic circular rod 5, the material conveying efficiency is improved, and the working efficiency is greatly improved.
The working principle of the invention is as follows: according to the invention, the height of the working platform 9 is adjusted by controlling the extension of the telescopic connecting rod 25 through the transmission of the screw rod 19, the support rods 11 are arranged at four corners on the working platform 9 and are tightly attached to the top of the tunnel, the wheels 2 at the lower end of the base 1 are controlled to be contracted upwards through the scissor jack 21, and four bottom feet of the base 1 are contacted and tightly attached to the ground, so that the operating platform is fixed up and down, the stability of the operating platform is improved, the side turning of the operating platform can be avoided, and the construction safety is improved; work platform 9 is last to have set up material transmission device, controls the work or material rest 3 up-and-down motion through controlling first motor 6 positive and negative rotation, has improved the transmission efficiency of material to very big improvement work efficiency, work platform 9 both sides face has set up collapsible rotatory dull and stereotyped 10, pulls through second stay cord 12, has increased operation platform's area, has improved the convenience and the work efficiency of construction.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "bottom", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the method is simple. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit 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 spirit and scope of the invention, and any equivalents thereto, such as those skilled in the art, are intended to be embraced therein.

Claims (10)

1. An operation platform for maintaining the top of a tunnel comprises a base (1) and a working platform (9), and is characterized in that the working platform (9) is provided with a fixed rod (13) and a supporting rod (11), the supporting rod (11) is rotatably connected with the working platform (9), the rotating angle interval of the supporting rod (11) is 0-90 degrees, and when the supporting rod (11) is horizontally vertical to the working platform (9), the upper end of the supporting rod (11) is attached to the top of the tunnel;
the supporting rod (11) is provided with a supporting seat (16) and a limiting hole (162), and the supporting seat (16) is fixedly connected with the supporting rod (11);
the fixing rod (13) is connected with the working platform (9) in a sliding mode.
2. An operation platform for tunnel roof maintenance according to claim 1, characterized in that said support base (16) is provided with polyurethane blocks (161) in the form of dots.
3. The operation platform for tunnel roof maintenance according to claim 1, characterized in that the fixing rod (13) is provided with a sliding slot (131) and a limiting column (14), the limiting column (14) is movably installed in the sliding slot (131), and the limiting column (14) is slidably connected with the fixing rod (13).
4. An operation platform for tunnel roof maintenance according to claim 3, characterized in that the right end of the spacing post (14) is movably connected with a spring (32).
5. An operation platform for tunnel roof maintenance according to claim 1, characterized in that, the working platform (9) is provided with a rotating flat plate (10) at both sides, and the rotating flat plate (10) is rotatably connected with the working platform (9).
6. An operation platform for tunnel roof maintenance according to claim 5, characterized in that a second reel (20) is arranged on the working platform (9), the second reel (20) is fixedly connected with the lead screw (19), the second reel (20) is fixedly connected with a second pull rope (12), and the second pull rope (12) is fixedly connected with the rotating plate (10).
7. An operation platform for tunnel roof maintenance according to claim 6, characterized in that the supporting rod (11) is provided with a pulley (15), the pulley (15) is rotatably connected with the supporting rod (11), and the second pulling rope (12) is slidably connected with the pulley (15).
8. An operation platform for tunnel roof repair according to claim 3, characterized in that a plastic tube (26) is provided on both the upper and lower sides of the working platform (9), and the second pulling rope (12) is installed in the plastic tube (26).
9. The operating platform for tunnel top maintenance according to claim 1, wherein a first motor (6) is arranged on the working platform (9), the first motor (6) is fixedly mounted on the working platform (9), an output shaft of the first motor (6) is fixedly connected with a first belt pulley (34), the first motor (6) is connected with a rotating shaft (7) through a belt (33), a second belt pulley (31) is fixedly mounted on the rotating shaft (7), the rotating shaft (7) is fixedly connected with a first reel (8), a first pull rope (4) is arranged on the first reel (8), the lower end of the first pull rope (4) is fixedly connected with the material rest (3), the material rest (3) is slidably connected with a telescopic round rod (5), and the telescopic round rod (5) is fixedly mounted on the bottom surface of the working platform (9).
10. The operation platform for tunnel top maintenance according to claim 1, characterized in that a scissor jack (21) and a fixing plate (23) are arranged on the lower side of the base (1), the scissor jack (21) is fixedly installed on the bottom surface of the base (1), the scissor jack (21) is fixedly connected with the fixing plate (23), the fixing plate (23) is slidably connected with the base (1), and four sets of wheels (2) are arranged under the fixing plate (23).
CN202010299147.0A 2020-04-16 2020-04-16 Operating platform for maintaining top of tunnel Pending CN111470455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010299147.0A CN111470455A (en) 2020-04-16 2020-04-16 Operating platform for maintaining top of tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010299147.0A CN111470455A (en) 2020-04-16 2020-04-16 Operating platform for maintaining top of tunnel

Publications (1)

Publication Number Publication Date
CN111470455A true CN111470455A (en) 2020-07-31

Family

ID=71753901

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010299147.0A Pending CN111470455A (en) 2020-04-16 2020-04-16 Operating platform for maintaining top of tunnel

Country Status (1)

Country Link
CN (1) CN111470455A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112456401A (en) * 2020-11-25 2021-03-09 国网山西省电力公司忻州供电公司 Power transmission and transformation circuit installation mobile device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112456401A (en) * 2020-11-25 2021-03-09 国网山西省电力公司忻州供电公司 Power transmission and transformation circuit installation mobile device

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