CN218492548U

CN218492548U - Underpinning steel pipe pile for main transformer of transformer substation

Info

Publication number: CN218492548U
Application number: CN202221737855.9U
Authority: CN
Inventors: 李营; 于海强; 李放; 侯丽岩; 陈鹏
Original assignee: Shenyang Zhiqian Electric Power Engineering Design Co ltd
Current assignee: Shenyang Zhiqian Electric Power Engineering Design Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-02-17
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a underpinning steel-pipe pile for transformer substation main transformer belongs to the underpinning steel-pipe pile field, be equipped with the adjustment mechanism that drives two fixed columns and draw close or separate each other between first fixed column and the second fixed column, the both ends of threaded rod are equipped with the piston board with fixed column cavity inner wall sliding connection, and the piston board becomes to hold chamber one, hold chamber two with the inside cavity regional separation of corresponding side fixed column to all be equipped with on every fixed column and be used for holding the pipeline that chamber one, hold chamber two intercommunications on it, every the inside of holding chamber one, holding chamber two all is filled with the hydraulic oil that plays supporting role, every all install the solenoid valve that is used for control pipeline release circulation on the fixed column, the utility model discloses a threaded connection of threaded rod and fixed column, the mutual supporting of the inside hydraulic oil of fixed column can carry out dual support to the fixed column under the arbitrary height to reinforcing this underpinning steel-pipe pile stability ability when supporting.

Description

Underpinning steel pipe pile for main transformer of transformer substation

Technical Field

The utility model relates to an underpin steel-pipe pile field, specific underpin steel-pipe pile who relates to a main transformer for transformer substation.

Background

When the existing building is transformed, the construction site is limited, the original foundation still plays a role, the steel pipe is adopted to perform foundation replacement under the condition, the optimal selection is achieved, the authorized bulletin No. CN 214940023U discloses a replacement steel pipe pile for a transformer substation main transformer, the support length of the steel pipe is adjusted through the form of gears and racks, but the main body supported by the steel pipe is mostly heavier, and the steel pipe capable of being adjusted in a telescopic mode is only self-locked through the form of meshing of the gears and the racks, so that the engaged gears and the racks are greatly abraded, and the stability of the adjustable steel pipe during support can be influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a support and trade steel-pipe pile for transformer substation main transformer to solve the problem that provides among the above-mentioned background art.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

the supporting and replacing steel pipe pile for the main transformer of the transformer substation comprises a first fixing column and a second fixing column, wherein an adjusting mechanism for driving the two fixing columns to be close to or separated from each other is arranged between the first fixing column and the second fixing column, the first fixing column and the second fixing column are arranged in a hollow mode, the adjusting mechanism comprises a threaded rod, a threaded hole and a driven gear, the threaded rod is used for connecting the two fixing columns together, two ends of the threaded rod are located on the inner sides of the corresponding side fixing columns respectively, the threaded hole is formed in the fixing columns and communicated with the inside of the fixing columns, the driven gear is fixedly sleeved in the middle of the threaded rod and located between the two fixing columns, the driving mechanism is used for driving the driven gear to rotate is arranged on the outer sides of the two fixing columns, piston plates are connected with the hollow inner walls of the fixing columns in a sliding mode, the hollow area inside the corresponding side fixing columns is divided into a first accommodating cavity and a second accommodating cavity by the piston plates, pipelines used for communicating the first accommodating cavity and the second cavity are arranged on each fixing column, hydraulic oil playing a supporting role in filling, and electromagnetic valves used for controlling the pipelines to release and circulate are arranged on each fixing column.

Further, actuating mechanism locates the screw rod middle part and the clamshell that the cross-section is type structure including rotating the cover, the protruding position and the screw rod of clamshell are perpendicular, driven gear is located the inboard at the protruding position of clamshell, and the internally mounted of clamshell has the motor, the output of motor is connected with the drive gear with driven gear meshing.

Furthermore, the horizontal part of the shell cover is parallel to the fixed columns, the outer wall of the shell cover is in sliding connection with the outer walls of the fixed columns, two sliding blocks are arranged on the horizontal part of the shell cover, and sliding grooves which correspond to the sliding blocks one to one and allow the corresponding sliding blocks to slide are formed in the outer walls of the two fixed columns.

Furthermore, two sets of limiting blocks for limiting the piston plate during sliding are arranged on the inner wall of the hollow part of the fixing column, each set of limiting blocks is at least two, and every two corresponding sets of limiting blocks are located between two ports of the corresponding side pipeline.

Furthermore, the end parts of the first fixing column and the second fixing column which are opposite to each other are provided with non-slip mats.

Furthermore, each fixing column is provided with a sealing ring tightly attached to a corresponding side thread through hole, and the sealing ring is tightly attached to the outer wall of the threaded rod.

3. Advantageous effects

The utility model discloses in, make driven gear rotate through actuating mechanism, in order to drive threaded rod forward or the antiport, and through threaded rod and first fixed column, the threaded connection of second fixed column, make two fixed columns can just realize drawing close or separating simultaneously under the drive of a threaded rod, adjust with the support length to two fixed columns, thereby through the length adjustment of two fixed columns (underpinning the steel-pipe pile) in corresponding position when transformer substation main transformer and factory building ground subside, make a plurality of underpinning steel-pipe piles can keep relative stability to support transformer substation main transformer and factory building ground, ensure the security of transformer substation main transformer and factory building.

The utility model discloses in, the threaded rod is when being driven to rotate and the inside piston plate of two fixed columns is to the direction removal of carrying on the back mutually (be the state of extension promptly for two fixed columns on the threaded rod), the piston plate can extrude the inside hydraulic oil of fixed column, and make by extruded hydraulic oil pass through the opposite side of pipe transportation to the piston plate from a lateral wall of piston plate, when the threaded rod stall, through closing the solenoid valve on the pipeline, make the hydraulic oil keep balance of piston plate both sides, so that the fixed column can be fixed at the screw-thread locking of threaded rod, can also be fixed by the effect of not circulating hydraulic oil once more, to sum up can, through threaded connection of threaded rod and fixed column, the mutually supporting of the inside hydraulic oil of fixed column, can carry out dual support to the fixed column under the arbitrary height, with the stability ability of this underpinning steel-pipe pile when supporting of reinforcing.

Drawings

FIG. 1 is a schematic structural diagram of an interior of a underpinned steel pipe pile in a front view;

fig. 2 is an enlarged schematic view of a portion of fig. 1.

Reference numerals are as follows: 1. a first fixed column; 2. a second fixed column; 3. a threaded rod; 4. perforating by screw thread; 5. a housing; 6. a motor; 7. a drive gear; 8. a driven gear; 9. a piston plate; 10. a first accommodating cavity; 11. a second accommodating cavity; 12. a pipeline; 13. an electromagnetic valve; 14. a limiting block; 15. A seal ring; 16. a chute; 17. a slider; 18. calibrating the component; 19. a non-slip mat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1-2, a underpinning steel pipe pile for a main transformer of a transformer substation comprises a first fixing column 1 and a second fixing column 2, an adjusting mechanism for driving the two fixing columns to approach or separate from each other is arranged between the first fixing column 1 and the second fixing column 2, the first fixing column 1 and the second fixing column 2 are arranged in a hollow manner, the adjusting mechanism comprises a threaded rod 3 for connecting the two fixing columns together, two ends of the threaded rod 3 are respectively located at the inner sides of the corresponding side fixing columns, a threaded through hole 4 which is arranged on the fixing column and is communicated with the inside of the fixing column and is used for allowing the threaded rod 3 to pass through, a driven gear 8 which is fixedly sleeved in the middle of the threaded rod 3 and is located between the two fixing columns, driving mechanisms for driving the driven gear 8 to rotate are arranged at the outer sides of the two fixing columns, piston plates 9 which are slidably connected with the inner walls of the hollow fixing columns are arranged at two ends of the threaded rod 3, the piston plates 9 divide the hollow area inside the corresponding side fixing columns into a first accommodating cavity 10 and a second cavity 11, a pipeline 12 for communicating the first accommodating cavity 10 and the second cavity 11 is arranged on each fixing column, and a pipeline 12 for controlling the release of hydraulic oil is arranged on each fixing column, and a solenoid valve 13 for controlling the release of the pipeline for controlling the flow is arranged on each fixing column;

the outer side walls of the two fixing columns are respectively provided with a calibration component 18, each calibration component 18 comprises a laser transmitter, a laser receiver, an alarm, a controller and a communication component, parallelism between different main bodies is determined by matching the laser transmitter and the laser receiver on each underpinned steel pipe pile, when the parallelism cannot be kept, the controller controls the alarm to give an alarm, and meanwhile, an alarm signal is sent to a remote terminal through a communication device to remind constructors of timely overhaul, and in addition, the laser transmitter, the laser receiver, the alarm, the controller and the communication components are disclosed to be used in CN 214940023U to realize automatic detection and alarm prompt;

the driven gear 8 is rotated through the driving mechanism to drive the threaded rod 3 to rotate forwards or reversely, and the threaded rod 3 is in threaded connection with the first fixing column 1 and the second fixing column 2, so that the two fixing columns can be simultaneously closed or separated under the driving of the threaded rod 3, the supporting lengths of the two fixing columns are adjusted, and therefore when the main transformer of the transformer substation and a plant foundation settle, the main transformer of the transformer substation and the plant foundation can be relatively and stably supported through the length adjustment of the two fixing columns (underpinning steel pipe piles) at corresponding positions, and the safety of the main transformer of the transformer substation and the plant foundation is ensured;

in addition, by adjusting the supporting heights of the plurality of underpinning steel pipes, people can support the transformer substation main transformer and the plant foundation according to the height required in actual use, so that the practicability of the underpinning steel pipe pile is improved;

when the threaded rod 3 is driven to rotate and the piston plates 9 in the two fixing columns move in opposite directions (namely, the two fixing columns are in an extended state on the threaded rod 3), the piston plates 9 can extrude hydraulic oil in the fixing columns, the extruded hydraulic oil is conveyed to the other side of the piston plates 9 from one side wall of the piston plates 9 through the pipeline 12, when the threaded rod 3 stops rotating, the electromagnetic valves 13 on the pipeline 12 are closed, so that the hydraulic oil on the two sides of the piston plates 9 is kept balanced, the fixing columns can be fixed in threaded locking of the threaded rod 3, and can be fixed again under the action of no circulating hydraulic oil;

on the contrary, when the two fixing columns are in a contracted state on the threaded rod 3, the fixing columns can still be supported with double effects through the disconnection of the hydraulic oil on the two sides of the piston plate 9 and the threaded connection between the threaded rod 3 and the fixing columns;

the driving mechanism comprises a shell cover 5 which is rotatably sleeved in the middle of the threaded rod 3 and has a convex-shaped cross section, the convex part of the shell cover 5 is perpendicular to the threaded rod 3, the driven gear 8 is positioned on the inner side of the convex part of the shell cover 5, a motor 6 is arranged inside the shell cover 5, the output end of the motor 6 is connected with a driving gear 7 meshed with the driven gear 8, the shell cover 5 can be fixed around the part to be supported firstly during use, the driving gear 7 is driven to rotate by the motor 6, the threaded rod 3 is driven to rotate by the meshing of the driving gear 7 and the driven gear 8, and power conditions can be provided for the two fixed columns through telescopic adjustment;

the horizontal part of the shell cover 5 is parallel to the fixed columns, the outer walls of the shell cover 5 and the outer walls of the fixed columns are in sliding connection, two sliding blocks 17 are arranged on the horizontal part of the shell cover 5, sliding grooves 16 which correspond to the sliding blocks 17 one by one and allow the corresponding sliding blocks 17 to slide are formed in the outer walls of the two fixed columns, and after the shell cover 5 is fixed, the two fixed columns can only move in the vertical direction through the sliding connection of the sliding blocks 17 and the sliding grooves 16;

two groups of limiting blocks 14 for limiting the piston plate 9 during sliding are arranged on the inner wall of the hollow part of the fixed column, at least two limiting blocks 14 are arranged in each group, each two corresponding groups of limiting blocks 14 are positioned between two ports of the pipeline 12 on the corresponding side, and the arrangement ensures that the two ports of the pipeline 12 cannot be blocked when the piston plate 9 moves downwards or upwards to the limiting position, so that hydraulic oil on two sides of the piston plate 9 can be kept communicated;

a sealing ring 15 tightly attached to the corresponding side threaded through hole 4 is arranged on each fixing column, the sealing ring 15 is tightly attached to the outer wall of the threaded rod 3, and the connecting part between the threaded rod 3 and the fixing column can be sealed through the sealing ring 15 so as to ensure that hydraulic oil in the fixing column cannot leak;

first fixed column 1 all is equipped with slipmat 19 with the tip that second fixed column 2 carried on the back mutually, through the contact of slipmat 19 with transformer substation's main transformer and factory building ground, can strengthen the fixed column to its supporting effect.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A underpinning steel pipe pile for a transformer substation main transformer comprises a first fixing column (1) and a second fixing column (2), an adjusting mechanism for driving the two fixing columns to mutually approach or separate is arranged between the first fixing column (1) and the second fixing column (2), it is characterized in that the first fixing column (1) and the second fixing column (2) are arranged in a hollow manner, the adjusting mechanism comprises a threaded rod (3) which is used for connecting two fixed columns together and two ends of which are respectively positioned at the inner sides of the fixed columns at the corresponding sides, a threaded through hole (4) which is arranged on the fixed columns, is communicated with the inside of the fixed columns and is used for the threaded rod (3) to pass through, and a driven gear (8) which is fixedly sleeved in the middle of the threaded rod (3) and is positioned between the two fixed columns, wherein the outer sides of the two fixed columns are provided with driving mechanisms for driving the driven gear (8) to rotate, the two ends of the threaded rod (3) are provided with piston plates (9) which are in sliding connection with the hollow inner walls of the fixed columns, and the piston plate (9) divides the hollow area inside the corresponding side fixing column into a first accommodating cavity (10) and a second accommodating cavity (11), and each fixed column is provided with a pipeline (12) for communicating a first accommodating cavity (10) and a second accommodating cavity (11) of the fixed column, hydraulic oil for supporting is filled in the first accommodating cavity (10) and the second accommodating cavity (11), and each fixed column is provided with an electromagnetic valve (13) for controlling the pipeline (12) to release and circulate.

2. The underpinning steel pipe pile for the main transformer of the transformer substation according to claim 1, wherein the driving mechanism comprises a shell cover (5) which is rotatably sleeved in the middle of a threaded rod (3) and has a cross section in a convex structure, a convex part of the shell cover (5) is perpendicular to the threaded rod (3), the driven gear (8) is positioned on the inner side of the convex part of the shell cover (5), a motor (6) is installed inside the shell cover (5), and the output end of the motor (6) is connected with a driving gear (7) which is meshed with the driven gear (8).

3. The underpinning steel pipe pile for the main transformer of the transformer substation according to claim 2, characterized in that the horizontal part of the shell cover (5) is parallel to the fixed column, the outer wall of the shell cover (5) is in sliding connection with the outer wall of the fixed column, two sliding blocks (17) are arranged on the horizontal part of the shell cover (5), and sliding grooves (16) which correspond to the sliding blocks (17) one to one and allow the corresponding sliding blocks (17) to slide are formed in the outer walls of the two fixed columns.

4. The underpinning steel pipe pile for the main transformer of the transformer substation according to claim 1, wherein two groups of limiting blocks (14) for limiting the piston plate (9) during sliding are arranged on the inner wall of the hollow part of the fixing column, at least two limiting blocks (14) are arranged in each group, and each two corresponding groups of limiting blocks (14) are positioned between two ports of the corresponding side pipeline (12).

5. The underpinning steel pipe pile for the main transformer of the transformer substation according to claim 1, characterized in that the ends of the first fixing column (1) opposite to the second fixing column (2) are both provided with a non-slip mat (19).

6. The underpinning steel pipe pile for the main transformer of the transformer substation as claimed in claim 1, characterized in that each fixing column is provided with a sealing ring (15) tightly attached to the corresponding side threaded through hole (4), and the sealing ring (15) is tightly attached to the outer wall of the threaded rod (3).