CN213676443U

CN213676443U - Integral cantilever preassembly platform

Info

Publication number: CN213676443U
Application number: CN202022198478.3U
Authority: CN
Inventors: 刘永新; 邓志光; 刘育祥; 李宏斌; 石奎; 张新峰; 徐天鹏; 姚康
Original assignee: Xian Electrification Engineering Co Ltd of China Railway Electrification Engineering Group Co Ltd
Current assignee: Xian Electrification Engineering Co Ltd of China Railway Electrification Engineering Group Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-13
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an integral cantilever preassembly platform, which comprises four supporting legs, a connecting column is fixedly connected between every two adjacent supporting legs, a supporting plate is fixedly arranged at the top end of each two corresponding supporting legs, connecting plates are fixedly connected at the top ends of the two connecting columns with shorter lengths through supporting rods, a sliding seat is slidably connected at the top end of each connecting plate, a first supporting frame is fixedly arranged at the top end of the sliding seat, a second supporting frame is fixedly arranged at the top end of one supporting plate, and a first supporting column is fixedly arranged at one side of the top end of each connecting plate; the utility model has the advantages that: the wrist arm pipe of the contact net can be fixed in the longitudinal and transverse horizontal angles, and the high-precision automatic leveling laser level instrument is used for accurately positioning the connecting part of the wrist arm pipe and the insulator, the double-lug connecting part of the sleeve and the angle of the carrier cable support, so that the processing accuracy of the processing and pre-assembly link of the wrist arm is ensured, and the workload of field high-altitude operation adjustment is reduced.

Description

Integral cantilever preassembly platform

Technical Field

The utility model relates to a preassembly platform, in particular to integral cantilever preassembly platform belongs to railway electrification technical field.

Background

Newly-built Sichuan-Tibet railway is rasa to Linzhi section place plateau, and the average altitude is more than 3000 meters, because project place plateau mountain area environment, design cantilever adopts the integral cantilever that the wind-resistant performance is better. The structure of the integral type cantilever determines that the ground assembly scheme according to the past engineering experience cannot meet the precision requirement, and an assembly platform capable of meeting the precision requirement is urgently required to be processed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral cantilever preassembly platform to the problem that the scheme of the ground equipment according to engineering experience in the past that proposes in solving above-mentioned background can't satisfy the required precision.

In order to achieve the above object, the utility model provides a following technical scheme: an integral cantilever preassembly platform comprises four support legs, a connecting column is fixedly connected between every two adjacent support legs, a support plate is fixedly arranged at the top end of each two corresponding support legs, connecting plates are fixedly connected at the top ends of the two connecting columns with shorter lengths through support rods, the top end of the connecting plate is connected with a sliding seat in a sliding way, the top end of the sliding seat is fixedly provided with a first supporting frame, a second supporting frame is fixedly arranged at the top end of one of the supporting plates, a first supporting column is fixedly arranged at one side of the top end of the connecting plate, a first arc-shaped placing plate is fixedly arranged at the top end of the first supporting column, one of them length is longer the top of spliced pole is fixed and is equipped with two second support columns, two the top of second support column all is fixed and is equipped with the second arc and places the board, one of them one side on backup pad top is fixed and is equipped with the limiting plate.

As a preferred technical scheme of the utility model, wherein the fixed link that is equipped with of one end of another backup pad, one side of link is passed through the connecting rod and one of them one side fixed connection of second support column.

As an optimized technical scheme of the utility model, matched with locking hole has all been seted up to one side of connecting plate and one side of the seat that slides.

As a preferred technical scheme of the utility model, the locating hole has all been seted up to one side of first support frame, one side of second support frame and one side of limiting plate.

As an optimized technical scheme of the utility model, two length are longer fixed being equipped with three stiffener between the spliced pole.

As an optimized technical scheme of the utility model, wherein another one side of backup pad is fixed and is equipped with the laser level meter and places the platform.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an integral cantilever preassembly platform, can carry out vertical and horizontal angle fixing to the contact net wrist arm pipe, and utilize high accuracy automatic leveling laser level instrument to carry out accurate positioning to the wrist arm pipe and insulator connecting position and sleeve pipe ears connecting position, the angle of carrier cable support, guarantee the processing accuracy of cantilever processing preassembly link, reduce the on-the-spot high altitude construction and adjust work load; and the problem of the arm dismantling rework caused by the too large opening angle error and opening distance of each part in the arm machining is solved, the one-time successful production efficiency of the preassembly machining of the arm is improved, the rework rate of the field arm installation is reduced, the labor intensity of operators is reduced, and the construction cost is saved by reducing the labor consumption.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. supporting legs; 2. a support plate; 3. connecting columns; 4. a support bar; 5. a connecting plate; 6. a first support column; 7. a first arc-shaped placing plate; 8. a sliding seat; 9. a first support frame; 10. a second support frame; 11. a locking hole; 12. a reinforcing bar; 13. a connecting frame; 14. a second support column; 15. a second arc-shaped placing plate; 16. a connecting rod; 17. a laser level meter placing table; 18. and a limiting plate.

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, the present invention provides an integral cantilever preassembling platform, which comprises four support legs 1, wherein a connection column 3 is fixedly connected between every two adjacent support legs 1, a support plate 2 is fixedly arranged at the top end of each two corresponding support legs 1, the top ends of two connection columns 3 with shorter lengths are fixedly connected with a connection plate 5 through a support rod 4, the top end of the connection plate 5 is slidably connected with a sliding seat 8, the top end of the sliding seat 8 is fixedly provided with a first support frame 9, the top end of one support plate 2 is fixedly provided with a second support frame 10, one side of the top end of the connection plate 5 is fixedly provided with a first support column 6, the top end of the first support column 6 is fixedly provided with a first arc-shaped placing plate 7, the top end of one connection column 3 with longer length is fixedly provided with two second support columns 14, the top ends of the two second support columns 14 are both fixedly, one side of the top end of one of the supporting plates 2 is fixedly provided with a limiting plate 18 which plays a role in limiting the processed parts.

Preferably, one end of the other support plate 2 is fixedly provided with a connecting frame 13, one side of the connecting frame 13 is fixedly connected with one side of one of the second support columns 14 through a connecting rod 16, and the connecting frame can play a role in connecting one of the second support columns 14; one side of the connecting plate 5 and one side of the sliding seat 8 are both provided with a locking hole 11 which are matched with each other, and the position of the sliding seat 8 can be limited by connecting the pin shaft with the corresponding locking hole 11; positioning holes are formed in one side of the first support frame 9, one side of the second support frame 10 and one side of the limiting plate 18, and the positions of all parts of the wrist arm can be preliminarily limited by connecting the pin shafts with the positioning holes and the openings in all parts of the wrist arm; three reinforcing rods 12 are fixedly arranged between the two connecting columns 3 with longer lengths, so that the stability and the strength between the two connecting columns 3 with longer lengths are improved; wherein one side of another backup pad 2 is fixed and is equipped with laser level and places platform 17 for place high accuracy auto leveling laser level, fix a position flat cantilever, oblique cantilever and registration arm, thereby cut and trompil each part, solve the problem that trompil angle error, the trompil distance of each spare part are too big in the processing of cantilever lead to the cantilever to demolish and do over again.

When in specific use, the utility model relates to an integral cantilever preassembling platform, firstly, a high-precision automatic leveling laser level is fixedly placed on a laser level placing platform 17, a flat cantilever, an inclined cantilever and a positioning tube are respectively placed on two second arc placing plates 15, the flat cantilever, the inclined cantilever and the positioning tube are positioned by the high-precision automatic leveling laser level, thereby cutting and perforating each part, solving the problem of dismantling and reworking of the cantilever caused by the perforation angle error and the overlarge perforating distance of each part in the processing of the cantilever, then the processed flat cantilever is placed on a first arc placing plate 7, the position of a sliding seat 8 is adjusted according to the length of the flat cantilever, and a pin shaft is inserted into a locking hole 11 of a connecting plate 5 and a locking hole 11 of a first supporting frame 9 to lock the position of the sliding seat 8, two ends of the flat cantilever are respectively arranged above the first support frame 9 and the second support frame 10, open holes at two ends of the flat cantilever are connected with a positioning hole of the first support frame 9 and a positioning hole of the second support frame 10 through a pin shaft, the connection part of the flat cantilever and the insulator, the connection part of a sleeve double ear and the angle of a catenary support are accurately positioned by utilizing a high-precision automatic leveling laser level, one end of the oblique cantilever is connected with the catenary support of the flat cantilever, and then two ends of the integral positioning tube are respectively and fixedly connected with the middle part of the oblique cantilever and one end of the flat cantilever through an anchor ear type positioning ring.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 integral cantilever preassembling platform comprises four supporting legs (1) and is characterized in that a connecting column (3) is fixedly connected between every two adjacent supporting legs (1), a supporting plate (2) is fixedly arranged at the top end of every two corresponding supporting legs (1), a connecting plate (5) is fixedly connected to the top end of the connecting column (3) with shorter length through a supporting rod (4), a sliding seat (8) is slidably connected to the top end of the connecting plate (5), a first supporting frame (9) is fixedly arranged at the top end of the sliding seat (8), a second supporting frame (10) is fixedly arranged at the top end of one of the supporting plates (2), a first supporting column (6) is fixedly arranged on one side of the top end of the connecting plate (5), a first arc-shaped placing plate (7) is fixedly arranged at the top end of the first supporting column (6), one of them length is longer the top of spliced pole (3) is fixed to be equipped with two second support columns (14), two the top of second support column (14) is all fixed to be equipped with the second arc and places board (15), one of them fixed limiting plate (18) that is equipped with in one side of backup pad (2) top.

2. The one-piece wrist arm preassembly platform according to claim 1, wherein: one end of the other supporting plate (2) is fixedly provided with a connecting frame (13), and one side of the connecting frame (13) is fixedly connected with one side of one of the second supporting columns (14) through a connecting rod (16).

3. The one-piece wrist arm preassembly platform according to claim 1, wherein: and one side of the connecting plate (5) and one side of the sliding seat (8) are provided with locking holes (11) matched with each other.

4. The one-piece wrist arm preassembly platform according to claim 1, wherein: positioning holes are formed in one side of the first supporting frame (9), one side of the second supporting frame (10) and one side of the limiting plate (18).

5. The one-piece wrist arm preassembly platform according to claim 1, wherein: three reinforcing rods (12) are fixedly arranged between the two connecting columns (3) with longer length.

6. The one-piece wrist arm preassembly platform according to claim 1, wherein: one side of the other supporting plate (2) is fixedly provided with a laser level meter placing table (17).