CN212893778U

CN212893778U - Operating platform for maintaining top of tunnel

Info

Publication number: CN212893778U
Application number: CN202020569558.2U
Authority: CN
Inventors: 姚冠; 林金山; 何其磊; 黄超; 岑继赛; 张义
Original assignee: Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Current assignee: Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-04-06
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses an operation 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 the base is provided with a first sliding support and a first fixed support, the first sliding support and the first fixed support are rotatably connected with a telescopic connecting rod, 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, the four corners of the working platform are provided with support rods which 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, so that four bottom feet of the base are contacted and tightly attached to the ground, the upper and lower fixation of the operation platform is ensured, the stability of the operation platform is improved, the working efficiency is improved, and the operation platform can be prevented from turning on one side, the construction safety is improved.

Description

Operating platform for maintaining top of tunnel

Technical Field

The utility model belongs to the technical field of the engineering construction equipment, concretely relates to an operation platform for tunnel top maintenance.

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.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model aims to provide an operation platform for tunnel top maintenance to solve the problem that provides in the above-mentioned background art.

The purpose of the utility model can be realized by the following technical scheme: an operation platform for tunnel top maintenance comprises a base and a working platform, wherein a first sliding support and a first fixed support are arranged on the base, the first sliding support is connected with the base in a sliding manner, the first fixed support is fixedly connected with 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 second fixed support is fixedly connected with the working platform, the second sliding support is connected with the working platform in a sliding manner, a first motor, a fixed rod and a supporting rod are arranged on the working platform, the first motor is fixedly arranged on the working platform, a first motor output shaft is fixedly connected with a first belt wheel, the first belt wheel is connected with a belt, the belt is connected with a second belt wheel, the second belt wheel is fixedly connected with a rotating shaft, the rotary shaft is rotatably connected with the working platform, the rotary shaft is fixedly connected with a first reel, a first pull rope is arranged on the first reel, the lower end of the first pull rope is fixedly connected with the material rack, a telescopic round rod is arranged on the material rack, the material rack is slidably connected with the telescopic round rod, the telescopic round rod is fixedly arranged on the bottom surface of the working platform, the support rod is rotatably connected with the working platform, the fixed rod is slidably connected with the working platform, rotary flat plates are arranged on two sides of the working platform, and the rotary flat plates are rotatably connected with the working platform;

the improved automatic feeding device is characterized in that a second motor is arranged on the base, the second motor is fixedly mounted on the base, an output shaft of the second motor is fixedly connected with a lead screw, the lead screw is rotatably connected with the base, a second scroll and a ball bearing are arranged on the lead screw, the ball bearing is in threaded connection with a connecting plate, and the connecting plate is fixedly connected with a first sliding support.

As a further aspect of the present invention, the base downside is provided with scissor jack and fixed plate, scissor jack fixed mounting is in the base bottom surface, scissor jack and fixed plate fixed connection, fixed plate and base sliding connection, four groups of wheels have been set up under the fixed plate.

As a further aspect of the present invention, the second reel is fixedly connected to the lead screw, the second reel is fixedly connected to the second pull cord, and the second pull cord is fixedly connected to the rotary plate.

As a further proposal of the utility model, the fixed rod is provided with a chute and a spacing post, the spacing post is movably arranged in the chute and is connected with the fixed rod in a sliding way.

As a further proposal, the limiting post right end is movably connected with the spring.

As a further proposal of the utility model, the support rod is provided with a support seat and a limit hole, the support seat is fixedly connected with the support rod.

As a further proposal of the utility model, the supporting seat is provided with a punctiform polyurethane block.

As a further aspect of the present invention, the support rod is provided with a pulley, the pulley is rotatably connected to the support rod, and the second stay cord is in sliding contact with the pulley.

As a further proposal of the utility model, the plastic pipe is arranged on the upper surface and the bottom surface of the working platform, and the second stay cord is arranged in the plastic pipe.

The utility model has the advantages 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 of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the 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 structural view of the support rod of the present invention;

fig. 4 is a schematic structural view of the fixing rod of the present invention;

fig. 5 is a cross-sectional view of a fixing lever 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 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to 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, the base 1 is provided with a first sliding support 24 and a first fixing support 35, the first sliding support 24 is slidably connected to the base 1, the first fixing support 35 is fixedly connected to the base 1, the first sliding support 24 and the first fixing support 35 are rotatably connected to a telescopic link 25, the upper end of the telescopic link 25 is rotatably connected to a second fixing support 28 and a second sliding support 29, the second fixing support 28 is fixedly connected to a working platform 9, the second sliding support 29 is slidably connected to the working platform 9, the working platform 9 is provided with a first motor 6, a fixing rod 13 and a supporting rod 11, 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.

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 under 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 utility model discloses a theory of operation is: the utility model discloses an utilize lead screw 19 transmission, control telescopic connecting rod 25 to extend and adjust the height of work platform 9, four corners have set up bracing piece 11 above work platform 9, paste closely with the tunnel top, wheel 2 of base 1 lower extreme controls its upwards shrink through scissor jack 21, four footing contact of base 1 and paste closely ground, make the operation platform fixed from top to bottom, improved the stability of operation platform, can avoid the operation platform to take place to turn on one's side, improved the security of construction; 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", and the like refer to orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and to simplify the description, but do not indicate or imply that the referenced device or component must have a particular orientation, be constructed or operated in a particular orientation, 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. Therefore, the present invention should be considered as illustrative and not restrictive in any sense, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and the preferred embodiments of the present invention are not intended to be limiting of the invention, and all changes, equivalents, modifications, etc. that come within the spirit and scope of the invention are intended to be embraced therein.

Claims

1. The operating platform for maintaining the top of the tunnel is characterized by comprising a base (1) and a working platform (9), wherein a first sliding support (24) and a first fixed support (35) are arranged on the base (1), the first sliding support (24) is in sliding connection with the base (1), the first fixed support (35) is fixedly connected with the base (1), a telescopic connecting rod (25) is rotatably connected on the first sliding support (24) and the first fixed support (35), the upper end of the telescopic connecting rod (25) is rotatably connected with a second fixed support (28) and a second sliding support (29), the second fixed support (28) is fixedly connected with the working platform (9), the second sliding support (29) is in sliding connection with the working platform (9), a first motor (6), a fixed rod (13) and a supporting rod (11) are arranged on the working platform (9), the first motor (6) is fixedly arranged on the working platform (9), an output shaft of the first motor (6) is fixedly connected with a first belt wheel (34), the first belt wheel (34) is connected with a belt (33), the belt (33) is connected with a second belt wheel (31), the second belt wheel (31) is fixedly connected with a rotating shaft (7), the rotating shaft (7) is rotatably connected with the working platform (9), 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 rack (3), a telescopic round rod (5) is arranged on the material rack (3), the material rack (3) is slidably connected with the telescopic round rod (5), the telescopic round rod (5) is fixedly arranged on the bottom surface of the working platform (9), and the support rod (11) is rotatably connected with the working platform (9), the fixing rod (13) is connected with the working platform (9) in a sliding mode, rotating flat plates (10) are arranged on two sides of the working platform (9), and the rotating flat plates (10) are connected with the working platform (9) in a rotating mode;

the improved motor is characterized in that a second motor (18) is arranged on the base (1), the second motor (18) is fixedly mounted on the base (1), an output shaft of the second motor (18) is fixedly connected with a lead screw (19), the lead screw (19) is rotatably connected with the base (1), a second reel (20) and a ball bearing (27) are arranged on the lead screw (19), the ball bearing (27) is in threaded connection with a connecting plate (36), and the connecting plate (36) is fixedly connected with a first sliding support (24).

2. 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).

3. An operation platform for tunnel roof maintenance according to claim 1, characterized in that said second reel (20) is fixedly connected with a lead screw (19), said second reel (20) is fixedly connected with a second pull rope (12), said second pull rope (12) is fixedly connected with a rotating plate (10).

4. 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).

5. Operating platform for tunnel roof maintenance according to claim 4, characterized in that the right end of the limit post (14) is movably connected with a spring (32).

6. The operation platform for tunnel roof maintenance according to claim 3, characterized in that the support rod (11) is provided with a support base (16) and a limiting hole (162), and the support base (16) is fixedly connected with the support rod (11).

7. An operation platform for tunnel roof maintenance according to claim 6, characterized in that said support base (16) is provided with polyurethane blocks (161) in the form of dots.

8. An operation platform for tunnel roof maintenance according to claim 6, characterized in that the support bar (11) is provided with a pulley (15), the pulley (15) is rotatably connected with the support bar (11), and the second pull rope (12) is in sliding contact with the pulley (15).

9. 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).