CN211447689U

CN211447689U - Combined type bridge mounting platform

Info

Publication number: CN211447689U
Application number: CN201922193744.0U
Authority: CN
Inventors: 田旭鹏; 白绪长; 王开柱; 梁欢; 郭强飞; 孙腊明; 张志龙
Original assignee: Sinohydro Bureau 5 Co Ltd
Current assignee: Sinohydro Bureau 5 Co Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-08
Anticipated expiration: 2029-12-09

Abstract

A combined bridge frame mounting platform comprises a rectangular frame erected by supporting rods, and further comprises a left platform, a right platform and a lower platform which are respectively arranged on an upper layer and a lower layer and are distributed in an inverted I shape; the driving wheel is arranged in the middle of the supporting rod in the length direction of the lower layer of the frame; the winding device also comprises a winding roll arranged on the lower-layer platform, wherein the winding roll comprises two hollow discs, a wire collecting cylinder vertically arranged between the two discs, and a wire collecting roll base shaft, a bearing is sleeved outside the base shaft, and the base shaft is connected with the discs through the bearing; a stepped sunken platform is arranged at the edge of the left platform, and a hydraulic upright mounting device is arranged on the sunken platform; the left platform and the right platform are connected with the lower platform through the crawling ladder; this crane span structure mounting platform is applicable to the crane span structure installation of different stations, avoids the material waste that the steel bent frame of repeatedly setting up caused, reduces construction cost, promotes the efficiency of construction and accelerates the construction progress.

Description

Combined type bridge mounting platform

Technical Field

The utility model relates to a water and electricity construction field especially relates to a modular crane span structure mounting platform.

Background

The bridge in the hydropower station is an indispensable set of auxiliary equipment, is a cable supporting system between the master control blocks and the branch control blocks of all the equipment, is designed to meet the wiring requirement of the coil cabinet, is generally arranged at the bottom of a floor slab, and is difficult to install in a city. The traditional hydropower station cable bridge installation adopts a temporary bent frame or a movable scaffold erected manually as a temporary installation platform so as to achieve the purpose of bridge installation, but the method has the disadvantages of long time consumption, large safety risk and the like. The research of crane span structure mounting platform aims at guaranteeing installation quality and reducing the safety risk, reducing artifical input, promotes the crane span structure and installs whole benefit.

A certain power station is designed with 4 mixed-flow type hydroelectric generating sets, and is a diversion type ground workshop, wherein the workshop is specifically arranged into an arrangement structure that the upstream side of a main workshop is a primary auxiliary workshop, the left side of the main workshop is a secondary auxiliary workshop, and the downstream side of the main workshop is a tail water gate pier. The trend of the cable bridge mainly ranges from a 400v room to each device, from a 10kv room to each device, from a relay protection room of a primary auxiliary plant to each device, and from a relay protection room of a secondary auxiliary plant to each device. The longest installation path from the bridge at the bottom of the 400v chamber of the primary auxiliary plant to the leakage inspection water collecting well is 136m, the highest height is represented by EL:1608.00 to EL: 1616.85, the installation difficulty is the greatest, on the basis of the bridge installation at the position, the traditional installation method needs to firstly set up a temporary installation steel bent frame at the position to form a platform, and then the bridge installation work is carried out, and the method has the advantages of long construction auxiliary period and low efficiency.

A mounting platform device is designed to replace the erection of a steel bent frame. The design and manufacture of the mounting platform are carried out according to the principle of ensuring the mounting quality, reducing the safety risk and improving the mounting efficiency so as to achieve the purposes of quality improvement and efficiency improvement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a combined bridge frame mounting platform, which comprises a rectangular frame erected by supporting rods, wherein the frame is divided into an upper layer and a lower layer, and the frame further comprises a left platform, a right platform and a lower layer platform which are respectively arranged on the upper layer and the lower layer and are distributed in an inverted shape; the driving wheel is connected with a driving motor arranged on the lower-layer platform through a transmission rod; the wire winding device further comprises a wire winding roll arranged on the lower-layer platform, the wire winding roll comprises two hollow circular disks arranged in parallel, a wire collecting cylinder vertically arranged between the two circular disks, and a wire collecting roll base shaft parallel to the lower-layer platform, a bearing is sleeved outside the base shaft, and the base shaft is connected with the circular disks through the bearing; a stepped sunken platform is arranged at the edge of the left platform, and a hydraulic upright mounting device is arranged on the sunken platform; the left platform and the right platform are connected with the lower platform through crawling ladders.

The hydraulic cylinder with the downward piston rod is arranged on the outer side of the lower-layer platform of the frame body, a vertically-arranged support rod fixed on the frame body is arranged at the cylinder body of the hydraulic cylinder, a horizontal support plate is arranged at the tail end of the piston rod, and an anti-skid rubber layer is arranged at the bottom of the support plate.

In particular, safety fences and skirting boards are arranged on the peripheries of the left platform and the right platform.

Particularly, a vertical rod is arranged between the right platform and the lower platform, a horizontal supporting rod is arranged at the top of the vertical rod, and a chain block is arranged at the tail end of the horizontal supporting rod.

Particularly, a rolling roller frame is arranged between the left platform and the right platform, and two ends of the rolling roller frame are respectively fixed on the edges of the left platform and the right platform.

Particularly, the bottom parts of the left platform and the right platform are respectively provided with a bearing support consisting of horizontally arranged support rods.

The utility model has the advantages that: effectively reduce the working strength that constructor faces when setting up the steel bent frame the circumstances that big, the safe risk is high, and mounting platform can reuse, is applicable to the crane span structure installation of different stations, avoids repeatedly setting up the material waste that the steel bent frame caused, reduces construction cost, promotes the efficiency of construction and accelerates the construction progress.

Drawings

Fig. 1 is a perspective view of the device structure of the present invention.

Wherein, the left platform-11; a right platform-12; a safety fence-14; a skirting board-15; a roll stand-16; a lower deck-2; a take-up reel-21; a base shaft-22; a hydraulic cylinder-23; a vertical upright rod-24; a horizontal strut-25; a chain block-26; a force-bearing rod-27; a support disc-28; a driving motor-3; a driven wheel-31; a drive wheel-32.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, a combined bridge mounting platform comprises a rectangular frame erected by support rods, the frame is divided into an upper layer and a lower layer, and the combined bridge mounting platform further comprises a left platform 11, a right platform 12 and a lower layer platform 2 which are respectively arranged on the upper layer and the lower layer and are distributed in an inverted shape; the left platform 11 is used as a bridge frame installation construction platform, and the right platform 12 is used as a raw material processing platform, and comprises tray installation, preparation of special-shaped components and the like; the device also comprises a driven wheel 31 arranged at the bottom of the frame and a driving wheel 32 arranged in the middle of the supporting rod in the length direction of the lower layer of the frame, wherein the driving wheel 32 is connected with a driving motor 3 arranged on the lower layer of the platform through a transmission rod; the whole mounting platform is driven to walk 32 by the driving motor, and the driven wheel 31 mainly plays a role in auxiliary bearing in the walking process; the wire winding device further comprises a wire winding roll 21 arranged on the lower-layer platform 2, wherein the wire winding roll 21 comprises two hollow circular discs arranged in parallel, a wire collecting cylinder vertically arranged between the two circular discs, and a wire collecting roll base shaft 22 parallel to the lower-layer platform, a bearing is sleeved outside the base shaft 22, and the base shaft 22 is connected with the circular discs through the bearing; the winding roll 21 has the function of uniformly arranging various cables and wires related to the mounting platform, such as an electric welding machine, a driving motor 31, a hydraulic upright mounting device and the like; a step-shaped sunken platform is arranged at the edge of the left platform 11, and a hydraulic upright mounting device 13 is arranged on the sunken platform; the hydraulic upright post mounting device is arranged in the stepped sunken platform, so that the hydraulic upright post mounting device is stably fixed, and a height difference is provided for constructors to operate on the hydraulic upright post mounting device, so that construction is facilitated; the left platform 11 and the right platform 12 are connected with the lower platform 2 through crawling ladders.

As a preferred embodiment, a hydraulic cylinder 23 with a downward piston rod is arranged on the outer side of the lower platform 2 of the frame body, a vertically-arranged stress rod 27 fixed on the frame body is arranged at the cylinder body of the hydraulic cylinder 23, a horizontal support plate 28 is arranged at the tail end of the piston rod, and an anti-skid rubber layer is arranged at the bottom of the support plate 28; the cylinder body of the hydraulic cylinder 23 is fixedly connected with the stress rod 27 and the support rod in the length direction, so that the weight of the whole device acts on the hydraulic cylinder 23, when the platform needs to be lifted in operation, the piston rod extends out of the cylinder body, and the support plate 28 at the tail end of the piston rod acts on the bottom surface to prop the whole installation platform; on one hand, the mounting platform is supported, on the other hand, the mounting platform is prevented from sliding in the construction process through the support disc 28 arranged at the tail end of the piston rod and the anti-slip rubber layer arranged at the bottom of the support disc 28, meanwhile, the whole hydraulic cylinder 23 is uniformly acted on the bottom surface through the design of the support disc 28, the stress area is prevented from being small, and the ground is prevented from being damaged; if the ground quality of the construction site is poor, a wood cushion block can be padded below the supporting plate 28.

In a preferred embodiment, a safety fence 14 and a skirting board 15 are further disposed on the periphery of the left platform 11 and the right platform 12.

As a preferred embodiment, a vertical upright 24 is arranged between the right platform 12 and the lower platform 2, a horizontal strut 25 is arranged at the top of the vertical upright 24, and a chain block 26 is arranged at the tail end of the horizontal strut 25; the chain block 26 mainly plays a role in transporting raw material materials to the right platform.

As a preferred embodiment, a rolling roller frame 16 is arranged between the left platform 11 and the right platform 12, and two ends of the rolling roller frame 16 are respectively fixed at the edges of the left platform 11 and the right platform 12; the rolling roller frame 16 is mainly used for transferring components which are assembled on the right platform 12 and are completely supported to the left platform 11; the both sides of roll frame 16 all are equipped with the baffle, prevent that the material edgewise from dropping.

In a preferred embodiment, the bottom of each of the left platform 11 and the right platform 12 is provided with a bearing frame consisting of horizontally arranged support rods.

Claims

1. The combined type bridge mounting platform is characterized by comprising a rectangular frame erected by supporting rods, an upper layer, a lower layer, a left platform (11), a right platform (12) and a lower layer platform (2), wherein the left platform, the right platform and the lower layer platform are respectively arranged on the upper layer and the lower layer and are distributed in an inverted shape; the device also comprises a driven wheel (31) arranged at the bottom of the frame and a driving wheel (32) arranged in the middle of the supporting rod in the length direction of the lower layer of the frame, wherein the driving wheel (32) is connected with a driving motor (3) arranged on the lower layer of the platform through a transmission rod; the wire winding device is characterized by further comprising a wire winding roll (21) arranged on the lower-layer platform (2), wherein the wire winding roll (21) comprises two hollow disks arranged in parallel, a wire collecting cylinder vertically arranged between the two disks, and a wire collecting roll base shaft (22) parallel to the lower-layer platform, a bearing is sleeved outside the base shaft (22), and the base shaft (22) is connected with the disks through the bearing; a step-shaped sunken platform is arranged at the edge of the left platform (11), and a hydraulic upright mounting device (13) is arranged on the sunken platform; the left platform (11) and the right platform (12) are connected with the lower platform (2) through crawling ladders.

2. The combined type bridge mounting platform as claimed in claim 1, wherein four hydraulic cylinders (23) with downward piston rods are arranged on the outer side of the lower platform (2) of the frame, a vertically-arranged stress rod (27) fixed on the frame body is arranged at the cylinder body of each hydraulic cylinder (23), a horizontal support plate (28) is arranged at the tail end of each piston rod, and an anti-skid rubber layer is arranged at the bottom of each support plate (28).

3. A modular bridge mounting platform as claimed in claim 1, wherein safety fences (14) and skirting boards (15) are provided around the left platform (11) and right platform (12).

4. The combined type bridge mounting platform as claimed in claim 1, wherein a vertical upright (24) is arranged between the right platform (12) and the lower platform (2), a horizontal strut (25) is arranged at the top of the vertical upright (24), and a chain block (26) is arranged at the tail end of the horizontal strut (25).

5. The combined type bridge mounting platform as claimed in claim 1, wherein a rolling roller frame (16) is arranged between the left platform (11) and the right platform (12), and two ends of the rolling roller frame (16) are respectively fixed on the edges of the left platform (11) and the right platform (12).

6. A modular bridge mounting platform as claimed in claim 1, wherein the left platform (11) and right platform (12) are each provided at their bottom with a load bearing frame comprising horizontally disposed support rods.