WO2023050539A1

WO2023050539A1 - Device for replacing oil-submerged pump of converter transformer

Info

Publication number: WO2023050539A1
Application number: PCT/CN2021/130221
Authority: WO
Inventors: 李东; 王典浪; 陈静; 皮天满; 龚禹璐; 尹启; 王海锋; 何龙翟; 侯云川
Original assignee: 中国南方电网有限责任公司超高压输电公司曲靖局
Priority date: 2021-09-28
Filing date: 2021-11-12
Publication date: 2023-04-06
Also published as: CN113903577A

Abstract

The present invention relates to a device for replacing an oil-submerged pump of a converter transformer, the device comprising a moving trolley, wherein the moving trolley comprises a moving platform and rolling members, which are connected to the moving platform; and a mounting table has a guide-fitting with a guide member, and is used for fixing an oil-submerged pump. In the device for replacing an oil-submerged pump of a converter transformer, the position of the mounting table is adjusted by means of the moving trolley, a lifting mechanism and a translation mechanism, which effectively solves the problem of alignment of mounting holes of the oil-submerged pump and achieves rapid and accurate hole alignment. In addition, the translation mechanism is beneficial for solving the problem whereby the moving trolley cannot move as a whole in a narrow space, and the mounting table can move side to side by means of the guide-fitting of the guide member and the mounting table, which is beneficial for avoiding obstacles near the oil-submerged pump that affect assembly and disassembly and thus beneficial for improving the work efficiency of assembly and disassembly of the oil-submerged pump. In addition, an auxiliary operation is beneficial for reducing the labor intensity of operators, so as to ensure the work safety.

Description

Converter transformer submersible pump replacement device

technical field

The invention relates to the technical field of converter transformers, in particular to a converter transformer submersible pump replacement device.

Background technique

With the development of industrial technology, the forced oil circulation cooling technology of converter transformers has appeared. The submersible pump is an important part of the forced oil circulation cooling system of converter transformers. Generally, the oil weight of large converter transformers is about 90 tons, and four submersible pumps are equipped. Participate in oil circulation. Among them, in order to achieve the purpose of cooling the transformer oil at the bottom of the converter transformer into the radiator fins, the submersible oil pump is usually installed on the main header at the lower part of the converter transformer, which is relatively low from the ground and has a small space. When the submersible pump breaks down, the submersible pump needs to be disassembled and overhauled. The submersible pump is relatively heavy, weighing about 120kg, and it is difficult to disassemble it.

In the traditional technology, there are two main ways to replace the converter transformer submersible pump: the first is to manually build a work platform under the submersible pump to support the heavy submersible pump from falling to the ground during disassembly, and reduce labor during installation. Lifting distance in the vertical direction. This method mainly relies on manpower to complete the disassembly and installation of the submersible pump. Because the submersible pump is relatively heavy and the working space is narrow, the submersible pump is very easy to drop during the operation, causing injuries to the limbs of the operator. Therefore, this method not only has high operational risks, but also extremely low operational efficiency. The second is to use a replacement device to assist the replacement of the submersible pump. This replacement device has a support platform that can be lifted in the vertical direction to realize jacking and lowering of the submersible pump, so as to achieve the purpose of disassembling and installing the submersible pump. However, this method cannot align the bolt holes of the submersible pump installation flange with the flange bolt holes of the main header of the converter transformer, and cannot solve the problem of alignment of the flange bolt holes during the installation of the submersible pump, which affects the installation of the submersible pump.

Contents of the invention

Based on this, it is necessary to provide a converter transformer submersible pump replacement device, which can effectively solve the problem of flange bolt hole alignment during submersible pump installation, improve the work efficiency of submersible pump replacement, and ensure operational safety.

A converter transformer submersible pump replacement device, comprising: a mobile trolley, the mobile trolley includes a mobile platform and rolling parts, the rolling parts are connected to the mobile platform; a lifting mechanism, the lifting mechanism includes a lifting platform and a lifting assembly, the The lifting platform is connected with the mobile platform through the lifting component, and the lifting component drives the lifting platform to move along the height direction of the lifting component; the translation mechanism, the translation mechanism includes a guide and a mounting platform, and the guide is arranged on the on the lifting platform, and the guide member is extended along the width direction of the lifting platform, the installation platform guides and cooperates with the guide member, and the installation platform is used for fixing the submersible oil pump.

The above converter transformer submersible pump replacement device, during use, when the submersible pump needs to be disassembled, the mobile trolley is pushed under the submersible pump, and the lifting mechanism is operated so that the lifting platform drives the installation platform close to the submersible pump, and then moves forward or backward Move the trolley, and operate the translation mechanism, adjust the position of the installation platform on the guide, so that the installation platform is just below the submersible pump; then, continue to operate the lifting mechanism, so that the installation platform is in contact with the submersible pump, and lower the submersible pump The flange provides support and fixation; finally, remove the flange bolts of the submersible pump, operate the lifting mechanism, lower the submersible pump and pull it away with the mobile trolley. The converter submersible pump replacement device adjusts the position of the installation table through the moving trolley, the lifting mechanism and the translation mechanism, effectively solving the problem of alignment of the submersible pump installation holes, and realizing fast and accurate hole alignment. At the same time, the translation mechanism is beneficial to solve the problem that the mobile trolley cannot move as a whole in a narrow space. The left and right movement of the installation platform is realized through the cooperation between the guide and the installation platform, which is conducive to avoiding obstacles that affect disassembly and assembly near the submersible pump. It is beneficial to improve the working efficiency of submersible pump disassembly and assembly. At the same time, the auxiliary operation is beneficial to reduce the labor intensity of operators and ensure work safety.

In one embodiment, there are more than two guides, and the two or more guides are arranged at intervals on the lifting platform, and the installation platform guides and cooperates with the two or more guides.

In one of the embodiments, the translation mechanism further includes a driving assembly, the driving assembly is drivingly connected to the installation platform, and the driving assembly drives the installation platform to move along the width direction of the lifting platform.

In one of the embodiments, the driving assembly includes a driving member and a transmission member, and the driving member is drivingly connected to the installation platform through the transmission member.

In one of the embodiments, the translation mechanism further includes a rotating member, and the installation platform includes a mounting part and a translation part, the installation part is connected to the translation part through the rotating part, and the translation part is connected to the translation part. The guide fits with the guide, and the mounting part can rotate around the axis of the rotating member.

In one of the embodiments, the lifting assembly includes an oil cylinder and a scissor support frame, the oil cylinder is drivingly connected to the scissor support frame, and the lifting platform is connected to the scissor support frame.

In one of the embodiments, the lifting assembly further includes a lifting pedal, and the lifting pedal is control-connected to the oil cylinder.

In one of the embodiments, more than two fixing claws are provided on the installation platform, and the two or more fixing claws are arranged at intervals along the circumference of the installation platform, and the fixing claws are used for fixing the submersible oil pump.

In one of the embodiments, the fixed claw is provided with a support part and a hook part, and the hook part is connected with the installation platform through the support part, and the hook part cooperates with the support part for For clamping submersible pump.

In one of the embodiments, the mobile trolley further includes a handle, and the handle is connected with the mobile platform.

In one embodiment, the rolling elements are universal wheels, and there are at least three universal wheels, and at least three rolling elements are arranged at intervals on the mobile platform.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

FIG. 1 is a schematic diagram of the overall structure of a converter transformer submersible pump replacement device described in an embodiment;

Fig. 2 is a structural schematic diagram II of the converter transformer submersible pump replacement device described in an embodiment;

Fig. 3 is a structural schematic diagram III of the converter transformer submersible pump replacement device described in an embodiment;

Fig. 4 is a structural schematic diagram 4 of the converter transformer submersible pump replacement device described in an embodiment.

Explanation of reference signs:

100. Converter transformer submersible pump replacement device; 110. Mobile trolley; 111. Mobile platform; 112. Rolling parts; 113. Handle; 120. Lifting mechanism; 121. Lifting table; 122. Lifting component; 1221. Oil cylinder; Scissor support frame; 1223, lifting pedal; 130, translation mechanism; 131, guide piece; 1311, limit piece; 132, installation platform; Assembly; 1331, driving part; 1332, transmission part; 134, rotating part; 135, fixed claw; 1351, support part; 1352, hook part; 200, submersible oil pump.

Detailed ways

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions are for the purpose of illustration only and are not intended to represent the only embodiment.

In one embodiment, please refer to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , a converter transformer submersible pump replacement device 100 includes: a moving trolley 110 , a lifting mechanism 120 and a translation mechanism 130 . The mobile trolley 110 includes a mobile platform 111 and a rolling element 112 , and the rolling element 112 is connected to the mobile platform 111 . The lifting mechanism 120 includes a lifting platform 121 and a lifting component 122 , the lifting platform 121 is connected with the mobile platform 111 through the lifting component 122 , and the lifting component 122 drives the lifting platform 121 to move along the height direction of the lifting component 122 . The translation mechanism 130 includes a guide piece 131 and a mounting table 132. The guide piece 131 is arranged on the lifting table 121, and the guide piece 131 is extended along the width direction of the lifting table 121. The mounting table 132 is guided and matched with the guide piece 131. For fixing the submersible pump 200.

The above converter transformer submersible pump replacement device 100, during use, when the submersible pump 200 needs to be disassembled, the mobile trolley 110 is pushed below the submersible pump 200, and the lifting mechanism 120 is operated so that the lifting platform 121 drives the installation platform 132 to approach Submersible oil pump 200, then move the trolley 110 forward or backward, and operate the translation mechanism 130, adjust the position of the mounting table 132 on the guide 131, so that the mounting table 132 is just below the submersible pump 200; then, continue to operate the lifting mechanism 120 , so that the mounting table 132 is in contact with the submersible pump 200, and provides support and fixation for the lower flange of the submersible pump 200; finally, remove the flange bolts of the submersible pump 200, operate the lifting mechanism 120, lower the submersible pump 200 and pull it with the mobile trolley 110 Walk. The converter transformer submersible pump replacement device 100 effectively solves the problem of alignment of the installation holes of the submersible pump 200 by adjusting the position of the installation platform 132 through the moving trolley 110, the lifting mechanism 120 and the translation mechanism 130, and realizes fast and accurate hole alignment. At the same time, the translation mechanism 130 helps to solve the problem that the mobile trolley 110 cannot move as a whole in a small space. The left and right movement of the installation platform 132 is realized through the guide cooperation between the guide member 131 and the installation platform 132, which is beneficial to avoid the influence of the submersible pump 200 near the disassembly. The installed obstacles are conducive to improving the work efficiency of the disassembly and assembly of the submersible pump 200. At the same time, the auxiliary operation is conducive to reducing the labor intensity of the operators and ensuring work safety.

Wherein, in order to further understand and illustrate the height direction of the lifting assembly 122 and the width direction of the lifting platform 121, taking FIG. 2 as an example, the height direction of the lifting assembly 122 is the direction indicated by any arrow on the straight line _S1 in FIG. FIG. 1 is an example, the width direction of the lifting platform 121 is the direction indicated by any arrow on the straight line _S2 in FIG. 1 .

It should be noted that the guiding cooperation between the installation platform 132 and the guide member 131 should be understood as that the installation platform 132 is movably connected with the guide member 131, and the guide member 131 plays a guiding role for the installation platform 132, so that the installation platform 132 can follow the direction of the guide member 131. movement in the direction of extension.

In one embodiment, please refer to FIG. 1 , FIG. 2 and FIG. 3 , there are more than two guide members 131, and more than two guide members 131 are arranged on the lifting platform 121 at intervals, and the installation platform 132 and the more than two guide members 131 are both Orientation fit.

Specifically, referring to FIG. 1 , there are two guide members 131, and the two guide members 131 are arranged on the lift platform 121 at intervals along the width direction of the lift platform 121. Orientation fit. In this way, it is beneficial to improve the movement stability of the installation platform 132 on the guide member 131 , improve the guiding effect of the guide member 131 , and thus ensure the working efficiency of disassembling and assembling the submersible oil pump 200 .

In one embodiment, please refer to FIG. 1 , the lifting platform 121 is provided with traveling wheels 1321 , the lifting platform 121 is connected with the traveling wheels 1321 , and the traveling wheels 1321 are guided and matched with the guide member 131 . Specifically, the guide 131 is a guide rail. In this way, the smoothness of guiding and matching between the installation platform 132 and the guide member 131 can be improved to ensure the smooth movement of the installation platform 132 , thereby improving the convenience of use of the translation mechanism 130 .

Further, please refer to FIG. 1 and FIG. 2 , there are more than two road wheels 1321 , and more than two road wheels 1321 are guided and matched with the guide member 131 . In this way, it is beneficial to improve the stability and smoothness of the movement of the mounting table 132 , and further improve the overall quality and user experience of the converter transformer submersible pump replacement device 100 .

In one embodiment, please refer to FIG. 1 and FIG. 2 , the guide member 131 is further provided with at least two limiting members 1311, and the two limiting members 1311 are respectively arranged at opposite ends of the guiding member 131, and the limiting members 1311 cooperates with the mounting table 132 in a limited position. In this way, the limiting member 1311 can limit the movement route of the traveling wheel 1321 and prevent the traveling wheel 1321 from detaching from the guide member 131 during walking, thereby improving the reliability of the translation mechanism 130 .

Optionally, the limiting member 1311 can be a sensor, a limiting column, a limiting rod or other limiting devices.

Specifically, referring to FIG. 1 and FIG. 2 , the limiting member 1311 is a limiting column. In this way, the structure is simple, the manufacturing cost is low, the use is convenient, the reliability is strong, and it is beneficial to ensure the position-limiting function of the position-limiting member 1311 . This embodiment only provides a specific implementation manner of the limiting member 1311, but it is not limited thereto.

In one embodiment, referring to FIGS. 1 , 2 and 3 , the translation mechanism 130 further includes a driving assembly 133 . The driving assembly 133 is drivingly connected with the installation platform 132 , and the driving assembly 133 drives the installation platform 132 to move along the width direction of the lifting platform 121 . In this way, manual or automatic movement can be realized through the function of the driving assembly 133 , which is beneficial to improving the convenience of the moving operation of the installation platform 132 , and further improving the overall quality and user experience of the converter transformer submersible pump replacement device 100 .

Wherein, the driving connection between the driving assembly 133 and the mounting table 132 should be understood as that the driving assembly 133 is connected to the mounting table 132 , and the driving assembly 133 is used as a power source to drive the mounting table 132 to move.

Specifically, referring to FIG. 1 , FIG. 2 and FIG. 3 , the driving assembly 133 includes a driving member 1331 and a transmission member 1332 . The driving member 1331 is drivingly connected to the installation platform 132 through the transmission member 1332 . Through the function of the transmission part 1332, it is beneficial to change the installation mode and driving direction of the driving part 1331, and at the same time improve the driving efficiency of the driving part 1331, thereby improving the overall quality of the converter transformer submersible pump replacement device 100.

Optionally, the driving mode of the driving member 1331 may be driven by motor, hydraulic pressure, cylinder or manually.

Specifically, please refer to FIG. 1 , the transmission part 1332 is a lead screw, the driving part 1331 is a hand wheel, and the installation platform 132 is connected to the lead screw through transmission. In this way, through the rotation of the hand wheel, the slider on the lead screw moves, thereby driving the movement of the installation table 132, realizing the quantitative control of the installation table 132, which is conducive to improving the movement accuracy of the installation table 132, and improving the accurate alignment of the installation bolts of the submersible pump 200. hole efficiency. At the same time, the manual mode is simple in structure, easy to carry, and does not need a power supply or other driving structures, which is conducive to reducing the weight and volume of the converter transformer submersible pump replacement device 100 and improving the portability of the converter transformer submersible pump replacement device 100 . This embodiment only provides a driving method of the driving assembly 133, but it is not limited thereto.

In one embodiment, please refer to FIG. 1 , the translation mechanism 130 further includes a rotating member 134 . The mounting table 132 includes a mounting part 1322 and a translation part 1323. The mounting part 1322 is connected to the translation part 1323 through a rotating part 134. The translation part 1323 is guided and matched with the guide part 131, and the mounting part 1322 can rotate around the rotating part. The axis of 134 rotates. In this way, the existence of the rotating member 134 is beneficial to solve the problem of alignment of the installation holes of the submersible pump 200 , the installation angle of the submersible pump 200 can be adjusted, and the alignment and alignment of the holes can be quickly realized, thereby improving work efficiency.

Optionally, the rotating member 134 can be a bearing, a rotating shaft or other rotating devices.

Specifically, the rotating member 134 is a slewing bearing. In this way, it is beneficial to provide support for the installation part 1322 and at the same time ensure the smoothness of rotation, thereby improving the working reliability of the rotating member 134 . This embodiment only provides a specific implementation manner of the rotating member 134, but it is not limited thereto.

In one embodiment, please refer to FIG. 1 and FIG. 2 , the lifting assembly 122 includes an oil cylinder 1221 and a scissor support frame 1222, the oil cylinder 1221 is drivingly connected to the scissor support frame 1222, and the lifting platform 121 is connected to the scissor support frame 1222. connect. In this way, the oil cylinder 1221 and the scissor-type support frame 1222 form a scissor hydraulic lift, and the lifting process is smooth, which is conducive to improving the ergonomics and operation convenience, and is conducive to ensuring the safety of the staff.

Further, please refer to FIG. 1 and FIG. 2 , the lifting assembly 122 further includes a lifting pedal 1223 , and the lifting pedal 1223 is connected to the oil cylinder 1221 for control. In this way, by stepping on the pedal to operate the lifting assembly 122, the operator maintains a standing posture for operation, which is conducive to improving the operator's operating convenience and improving ergonomics. A single person can realize the lifting operation of the submersible pump 200, which is beneficial Solve the problem of ergonomics.

In one embodiment, please refer to Fig. 1 and Fig. 2, more than two fixing claws 135 are arranged on the mounting platform 132, and more than two fixing claws 135 are arranged at intervals along the circumference of the mounting platform 132, and the fixing claws 135 are used to fix the submerged Oil pump 200.

Specifically, please refer to FIG. 1 and FIG. 2 , there are four fixing claws 135 , and the four fixing claws 135 are arranged at intervals along the circumference of the installation platform 132 . In this way, the fixing claw 135 is conducive to improving the fixing effect of the submersible pump 200 on the installation platform 132, ensuring that the submersible pump 200 is prevented from moving or falling during the disassembly process and causing industrial accidents, and improving the safety of the converter transformer submersible pump replacement device 100. Use security.

In one embodiment, please refer to FIG. 2 and FIG. 3 , the fixing claw 135 is provided with a support portion 1351 and a hook portion 1352 , the hook portion 1352 is connected to the installation platform 132 through the support portion 1351 , and the hook portion 1352 is connected to the support portion 1351 Cooperate, used for clamping the submersible pump 200. In this way, the support portion 1351 can provide support for the lower flange of the submersible pump 200, and the hook portion 1352 can clamp the lower flange of the submersible pump 200 to provide a fixing effect, thereby improving the fixing effect of the installation platform 132 on the submersible pump 200, During the operation of the submersible pump 200, the submersible pump 200 is reliably fixed to prevent accidental drop accidents.

Optionally, the connection manner between the support portion 1351 and the hook portion 1352 may be bolt connection, screw connection, welding, adhesive bonding, buckle connection, riveting or other connection methods. Alternatively, the support portion 1351 and the hook portion 1352 are integrally structured.

Specifically, please refer to FIG. 2 and FIG. 3 , the connection manner between the support portion 1351 and the hook portion 1352 is bolt connection. In this way, on the one hand, the way of bolt connection is beneficial to improve the connection stability between the support portion 1351 and the hook portion 1352 , thereby ensuring the overall structural stability of the installation platform 132 and improving the overall structural strength. On the other hand, the detachable connection method is beneficial to improve the convenience of disassembly and assembly of the buckle part, and facilitate the installation and use of the hook part 1352 . This embodiment only provides a specific connection manner between the support portion 1351 and the hook portion 1352 , but it is not limited thereto.

In one embodiment, please refer to FIG. 2 and FIG. 3 , the mobile cart 110 further includes a handle 113 , and the handle 113 is connected to the mobile platform 111 . In this way, the operator can operate the handle 113 to control the movement of the mobile trolley 110 , adjust the position of the mobile trolley 110 , and improve the transportation efficiency and convenience of the submersible oil pump 200 during transportation.

In one embodiment, please refer to FIG. 1 , FIG. 2 and FIG. 3 , the rolling elements 112 are universal wheels, and there are at least three universal wheels, and at least three rolling elements 112 are arranged at intervals on the mobile platform 111 .

Specifically, referring to FIG. 1 , FIG. 2 and FIG. 3 , there are four rolling elements 112 , and the four rolling wheels are arranged at four corners of the mobile platform 111 at intervals. In this way, it is beneficial to ensure the stability of the movement of the mobile trolley 110 , and at the same time, the universal wheels can facilitate the movement and steering of the mobile trolley 110 , improving the flexibility of the mobile trolley 110 in transportation.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims

A converter transformer submersible pump replacement device, characterized in that the converter transformer submersible pump replacement device includes:

A mobile trolley, the mobile trolley includes a mobile platform and rolling elements, and the rolling elements are connected to the mobile platform;

A lifting mechanism, the lifting mechanism includes a lifting platform and a lifting component, the lifting platform is connected with the mobile platform through the lifting component, and the lifting component drives the lifting platform to move along the height direction of the lifting component;

A translation mechanism, the translation mechanism includes a guide and a mounting platform, the guide is arranged on the lift platform, and the guide extends along the width direction of the lift platform, the installation platform and the guide guide fitting, and the mounting table is used to fix the submersible pump.
The converter transformer submersible pump replacement device according to claim 1, characterized in that there are more than two guide members, and more than two guide members are arranged at intervals on the lifting platform, and the installation platform and the two The above-mentioned guides are all guided and matched.
The converter transformer submersible pump replacement device according to claim 1, characterized in that, the translation mechanism further includes a driving assembly, which is drivingly connected to the installation platform, and the driving assembly drives the installation platform along the The width direction movement of the lifting platform.
The converter transformer submersible pump replacement device according to claim 3, wherein the driving assembly includes a driving member and a transmission member, and the driving member is drivingly connected to the installation platform through the transmission member.
The converter transformer submersible pump replacement device according to claim 1, wherein the translation mechanism further includes a rotating member, the installation platform includes a mounting part and a translation part, and the installation part connects the rotating part with the The translation part is connected, the translation part guides and cooperates with the guide part, and the installation part can rotate around the axis of the rotating part.
The converter transformer submersible pump replacement device according to claim 1, wherein the lifting assembly includes an oil cylinder and a scissor support frame, the oil cylinder is drivingly connected to the scissor support frame, and the lifting platform is connected to the scissor support frame. The scissor bracket connection described above.
The converter transformer submersible pump replacement device according to claim 6, wherein the lifting assembly further includes a lifting pedal, and the lifting pedal is connected to the oil cylinder for control.
The converter transformer submersible pump replacement device according to claim 1, wherein more than two fixing claws are provided on the installation platform, and more than two fixing claws are arranged at intervals along the circumference of the installation platform, The fixed claw is used for fixing the submersible pump.
The converter transformer submersible pump replacement device according to claim 8, wherein the fixed claw is provided with a support portion and a hook portion, and the hook portion is connected to the installation platform through the support portion, so that The hook part cooperates with the support part and is used for clamping the submersible oil pump.
The converter transformer submersible pump replacement device according to any one of claims 1-9, wherein the mobile trolley further includes a handle connected to the mobile platform; and/or,

The rolling elements are universal wheels, and there are at least three universal wheels, and at least three rolling elements are arranged at intervals on the mobile platform.