CN111942837A - Transfer assist device - Google Patents

Abstract

The invention provides a transfer auxiliary device, which relates to the technical field of electric power equipment. The transfer auxiliary device is used for moving in or out of a transformer in a box-type transformer, and includes a rail group, a mobile trolley and a lifting adjustment assembly; There is an installation space between the mobile trolley and the track group; the lifting adjustment assembly includes a support beam and a plurality of adjustment screws; each adjustment screw can pass through the mobile trolley upwards from the installation space and be connected with the support beam by threads; multiple adjustment screws The screw rods are connected through a transmission assembly, and the transmission assembly is used for synchronously rotating a plurality of adjusting screws under the driving of external force, so as to drive the supporting beam to move up and down relative to the moving trolley. The technical problem that the transformer is inconvenient to move in and out during the disassembly and assembly process of the box-type transformer in the prior art is solved.

Description

transfer aid

technical field

The present invention relates to the technical field of power equipment, and in particular, to a transfer auxiliary device.

Background technique

As a complete set of power distribution equipment, the basic principle of the box-type transformer is that through the pressure start system, armored line, substation automatic system, DC point and corresponding technical equipment, reasonable assembly is carried out in accordance with the specified sequence, and all components are installed. A specific transformer is formed into a completely sealed tempered box structure such as waterproof, dustproof and rodent proof.

During the disassembly and assembly process of the box-type transformer, it is sometimes necessary to move the transformer into and out of the box. In this process, there are at least the following difficulties and deficiencies: the internal space of the box is small, and when the transformer is moved in and out of the box, the existing cranes, Equipment such as forklifts cannot be used, labor is time-consuming and laborious, and the efficiency is low.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a transfer auxiliary device to alleviate the technical problem in the prior art that the transformer is inconvenient to move in and out during the disassembly and assembly process of the box-type transformer.

An embodiment of the present invention provides a transfer auxiliary device, including: a rail group, a mobile trolley, and a lift adjustment assembly;

The mobile trolley is slidably connected to the track set, and an installation space is left between the mobile trolley and the track set;

The lift adjustment assembly includes a support beam and a plurality of adjustment screws; each of the adjustment screws can pass through the mobile trolley upward from the installation space and be connected with the support beam by threads;

The plurality of adjusting screws are connected through a transmission assembly, and the transmission assembly is used to rotate the plurality of adjusting screws synchronously under the driving of external force, so as to drive the support beam to move up and down relative to the moving trolley.

Further, the transmission assembly includes a transmission member and a connecting member;

The transmission member is fixedly sleeved on the adjustment screw, and the outer peripheral surface of the transmission member is provided with a tooth portion or a wheel groove portion;

The connecting piece is a chain matched with the tooth portion; or, the connecting piece is a belt matched with the wheel groove portion.

Further, the chain or the belt adopts a closed-loop structure;

The chain or the belt can drive the plurality of adjusting screws to rotate synchronously under the pulling of external force.

Further, one of the adjusting screws is connected with a stepping motor;

Alternatively, one of the transmission members is connected with a stepping motor.

Further, a plurality of the adjusting screws are arranged in a rectangular shape.

Further, the chain or the belt adopts an open-loop structure, and the chain or the belt respectively has two free ends;

The moving trolley is provided with a hook, and the hook is used for hooking the two free ends of the chain or the belt, and making the chain or the belt in a position on the plurality of transmission parts. tension state;

Pulling one of the two free ends can drive the plurality of adjusting screws to rotate synchronously.

Further, the maximum height of the transfer auxiliary device is not more than 10mm;

The vertical distance of the installation space ranges from 2 to 4 mm.

Further, the track group includes a first track and a second track arranged in parallel;

The width of the moving trolley and/or the length of the support beam can be adjusted perpendicular to the extension direction of the track set.

Further, there are two groups of the mobile trolleys, and the two groups of the mobile trolleys are respectively arranged in a one-to-one correspondence with the first track and the second track;

Two sets of assembled wheels are arranged on the mobile trolley, and the two sets of assembled wheels are arranged at intervals along the extending direction of the rail group; the two ends of the support beam are respectively fixedly connected to the two sets of the mobile trolleys;

The support beam adopts a telescopic beam structure.

Further, the mobile trolley is a group;

The mobile trolley includes a first vehicle body, a second vehicle body and a telescopic piece connected between the two; the support beam and the telescopic piece both adopt a telescopic beam structure, and one end of the support beam is fixedly connected to the telescopic piece. The other end of the first vehicle body is fixedly connected to the second vehicle body.

Beneficial effects:

In the transfer auxiliary device provided by the present invention, the moving trolley is slidably connected to the track group, and can move along the extending direction of the track group; since there is an installation space between the moving trolley and the track group, each adjusting screw can pass the moving trolley upward from the installation space. And it is threadedly connected with the support beam. Therefore, when the adjusting screw is rotated, the adjusting screw will drive the supporting beam to move up and down; further, a plurality of adjusting screws are connected through a transmission assembly, and the transmission assembly is driven by an external force to make multiple adjusting screws. Synchronous rotation to drive the support beam to move up and down relative to the moving trolley. Since multiple adjusting screws can rotate synchronously, the support beam can be smoothly lifted and lowered; in specific use, when it is necessary to move into the transformer, the transfer auxiliary device can be laid. On the bottom surface of the transformer located outside the box, then operate the adjusting screw to make the support beam against the bottom surface of the transformer, and move the trolley by pushing to move the transformer into the box to complete the installation; when the transformer needs to be moved out, the transfer can be assisted The device is laid on the bottom surface of the transformer inside the box, and then the adjusting screw is operated to make the support beam abut against the bottom surface of the transformer, and the transformer can be moved into the box by pulling the trolley to move the trolley.

It can be seen from the foregoing that the transfer auxiliary device can reasonably utilize the space in the box-type transformer to complete the operation of moving in and out of the transformer. Compared with the cranes and forklifts in the prior art, the transfer auxiliary device has a smaller structure and is easier to operate. It is convenient; in addition, the use of the transfer auxiliary device can save the cost of renting a crane, a forklift, etc., and is reliable and practical, and the cost is relatively low.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required in the description of the specific embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a transfer assisting device provided by an embodiment of the present invention from a first perspective;

FIG. 2 is a schematic structural diagram of a transfer assisting device from a second perspective provided by an embodiment of the present invention;

Fig. 3 is the structural schematic diagram of the adjusting screw and the transmission part;

FIG. 4 is one of the schematic structural diagrams of the transfer auxiliary device provided by the embodiment of the present invention in a use state;

FIG. 5 is the second structural schematic diagram of the transfer assisting device provided by the embodiment of the present invention in a use state.

icon:

10 - Transformer;

100-track group; 110-first track; 120-second track;

200 - mobile trolley;

310-support beam; 320-adjustment screw; 330-transmission part.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in use, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

Furthermore, terms such as "horizontal", "vertical" etc. do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and features in the embodiments may be combined with each other without conflict.

The present embodiment provides a transfer auxiliary device. As shown in FIGS. 1 to 5 , the transfer auxiliary device includes a rail group 100 , a mobile trolley 200 and a lift adjustment assembly; the mobile trolley 200 is slidably connected to the rail group 100 , and the mobile trolley 200 There is an installation space between the rail group 100; the lift adjustment assembly includes a support beam 310 and a plurality of adjustment screws 320; each adjustment screw 320 can pass the mobile trolley 200 upward from the installation space and be screwed with the support beam 310; The screw rods 320 are connected by a transmission assembly, and the transmission assembly is used to rotate the plurality of adjustment screws 320 synchronously under the driving of external force, so as to drive the support beam 310 to move up and down relative to the moving trolley 200 .

In the transfer auxiliary device provided in this embodiment, the mobile cart 200 is slidably connected to the rail group 100 and can move along the extending direction of the rail group 100; since there is an installation space between the mobile cart 200 and the rail group 100, each adjusting screw 320 can The moving trolley 200 is penetrated upward in the installation space and is threadedly connected with the support beam 310 . Therefore, when the adjusting screw 320 is rotated, the adjusting screw 320 will drive the support beam 310 to move up and down.

Further, the plurality of adjusting screws 320 are connected by a transmission assembly, and the transmission assembly can make the plurality of adjusting screws 320 rotate synchronously under the driving of external force, so as to drive the support beam 310 to move up and down relative to the moving trolley 200. It can be rotated synchronously, so that the support beam 310 can be smoothly raised and lowered; in specific use, when the transformer 10 needs to be moved in, the transfer auxiliary device can be laid on the bottom surface of the transformer 10 outside the box, and then the adjusting screw 320 is operated to make The support beam 310 is against the bottom surface of the transformer 10, and the trolley 200 can be moved by pushing to move the transformer 10 into the box to complete the installation; when the transformer 10 needs to be moved out, the transfer auxiliary device can be laid on the transformer 10 inside the box Then, the adjusting screw 320 is operated to make the support beam 310 abut against the bottom surface of the transformer 10, and the trolley 200 can be moved by pulling to move the transformer 10 into the box.

It should be noted that the transformer 10 is equipped with transformer oil, which is not prone to violent vibration and dumping impact. In the prior art, cranes and forklifts are used, which will inevitably cause severe vibration and dumping impact of the transformer oil in the transformer 10 . With the transfer assisting device of the present embodiment, since the moving in and out of the transformer 10 is by means of the rail group 100 , the rail group 100 can be moved smoothly, and the transformer oil can be prevented from violent vibration and dumping impact.

Further, as shown in FIG. 3 , the transmission assembly includes a transmission member 330 and a connecting member (not shown in the drawings); the transmission member 330 is fixedly sleeved on the adjusting screw 320 , and the outer peripheral surface of the transmission member 330 is provided with a tooth portion or a wheel The groove part; the connecting piece is a chain matched with the tooth part; or, the connecting piece is a belt matched with the wheel groove part.

Specifically, the chain or belt can have the following two structures.

1) The first structure of the chain or belt

The chain or belt adopts a closed-loop structure; the chain or belt can drive a plurality of adjusting screws 320 to rotate synchronously under the pulling of external force.

One of the adjusting screws 320 is connected with a stepping motor; or, one of the transmission members 330 is connected with a stepping motor. In this way, the lifting distance of the support beam 310 can be controlled by setting the rotation angle of the stepping motor.

In this embodiment, the plurality of adjusting screws 320 are arranged in a rectangular shape. In this structural form, even if the stepper motor is not provided, the operator can manually rotate the chain or the belt to realize the synchronous rotation of the plurality of adjusting screws 320 .

Generally, the box-type transformer has an opening and closing door through which the transformer 10 can be moved in and out when the transformer 10 is moved in or out using the transfer auxiliary device of this embodiment. Specifically, on the premise of not arranging a stepper motor, the operator can manually rotate the chain or belt near the opening and closing door to realize the synchronous rotation of the plurality of adjusting screws 320 .

2) The second structure of the chain or belt

Specifically, the chain or belt adopts an open-loop structure (not shown in the drawings), and the chain or belt respectively has two free ends; the mobile trolley 200 is provided with a hook, which is used for hooking the two ends of the chain or belt. the free end, and make the chain or belt in a tensioned state on the plurality of transmission parts 330; pulling one of the two free ends can drive the plurality of adjusting screws 320 to rotate synchronously.

Specifically, when the adjusting screw 320 needs to be rotated, the two free ends of the chain or belt need to be removed from the hook, and then, one free end of the chain or belt is pulled outward, and the other free end will move toward the Inward movement, the clockwise (or counterclockwise) rotation of the adjusting screw 320 is realized; otherwise, the anti-clockwise (or clockwise) rotation of the adjusting screw 320 is realized.

In this embodiment, the maximum height of the transfer auxiliary device is not greater than 10 mm; the vertical distance of the installation space ranges from 2 to 4 mm.

The overall maximum height of the transfer auxiliary device in this embodiment after actual processing is not greater than 10 mm, so as to reasonably utilize the narrow space in the box-type transformer 10 .

Meanwhile, the vertical distance of the installation space can be 2mm, 3mm or 4mm. On the premise that the installation space is sufficient to install the transmission member 330, there is still room for the operator to operate. Compared with the existing forklifts and cranes, the overall size of the transfer assisting device is relatively small, which is more convenient for operators to operate.

On the basis of the above embodiment, as shown in FIG. 2 , the track set 100 includes a first track 110 and a second track 120 arranged in parallel; wherein the width of the moving trolley 200 and/or the length of the support beam 310 can be vertically The extension direction of the rail group 100 can be adjusted, and this arrangement can make the transfer auxiliary device suitable for different transformer bases, which improves the application range, and can be applied to transformers with transformer capacity ranging from 30kVA to 2000kVA.

It should be noted that the width direction of the mobile cart 200 refers to the vertical distance direction between the first rail 110 and the second rail 120 .

In an embodiment of the present application, there are two groups of mobile trolleys 200 , and the two groups of mobile trolleys 200 are respectively arranged in a one-to-one correspondence with the first rail 110 and the second rail 120 ; the mobile trolley 200 is provided with two groups of assembled wheels , the two groups of assembled wheels are arranged at intervals along the extending direction of the rail group 100 ; the two ends of the support beam 310 are respectively fixedly connected to the two groups of the mobile trolleys 200 ; the support beam 310 adopts a telescopic beam structure.

In other embodiments, the mobile trolley 200 is a group; the mobile trolley 200 includes a first vehicle body, a second vehicle body, and a telescopic piece connected between the two; the support beam 310 and the telescopic piece both adopt a telescopic beam structure, and support One end of the beam 310 is fixedly connected to the first vehicle body, and the other end is fixedly connected to the second vehicle body.

Optionally, the telescopic beam structure includes connected multi-segment hollow sleeve bodies, and the lengths of the multi-segment hollow sleeve bodies decrease in turn, wherein the shorter hollow sleeve bodies can be inserted into the longer hollow sleeve bodies in turn and fixed by fasteners. Two adjacent hollow sleeves.

At present, this transfer auxiliary device has been applied in the actual production of our company, and the transformer capacity can be used in the range from 30kVA to 2000kVA. Using the transfer auxiliary device, the moving out and moving in of the transformer 10 in the box-type transformer can be easily realized with simple operations, thereby greatly saving space, manpower, cost, and the like.

An assembly process of this transfer aid is:

laying the first track 110 and the second track 120;

A mobile trolley 200 is erected on the first track 110 and the second track 120;

The support beams are placed at corresponding positions of the moving trolley 200, and at the corresponding positions, a plurality of adjusting screws 320 are installed.

The transfer auxiliary device is simple and easy to assemble and operate, does not occupy space, and can be transported to any place with the vehicle. Only one or two people can complete the short-distance moving operation of the transformer 10, which saves the cost of renting mechanical equipment such as forklifts. Cost and economic benefits are obvious. In the long run, the transfer auxiliary device has broad market prospects and application scope, and can be popularized and used in the production process of the power industry.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.

Claims (10)

1. A transfer auxiliary device for moving in or out of a transformer (10) in a box-type transformer, characterized in that it comprises: a rail group (100), a mobile trolley (200) and a lift adjustment assembly; The mobile trolley (200) is slidably connected to the rail group (100), and an installation space is left between the mobile trolley (200) and the rail group (100); The lift adjustment assembly includes a support beam (310) and a plurality of adjustment screws (320); each adjustment screw (320) can pass through the moving trolley (200) upward from the installation space and communicate with the support beam (310) Threaded connection; The plurality of adjustment screws (320) are connected through a transmission assembly, and the transmission assembly is used to rotate the plurality of adjustment screws (320) synchronously under the driving of an external force, so as to drive the support beam (310) relative to all the adjustment screws (320). The moving trolley (200) moves up and down. 2. The transfer auxiliary device according to claim 1, wherein the transmission assembly comprises a transmission member (330) and a connecting member; The transmission member (330) is fixedly sleeved on the adjustment screw (320), and the outer peripheral surface of the transmission member (330) is provided with a tooth portion or a wheel groove portion; The connecting piece is a chain matched with the tooth portion; or, the connecting piece is a belt matched with the wheel groove portion. 3. The transfer auxiliary device according to claim 2, wherein the chain or the belt adopts a closed-loop structure; The chain or the belt can drive the plurality of adjusting screws (320) to rotate synchronously under the pulling of an external force. 4. The transfer assisting device according to claim 3, wherein one of the adjusting screws (320) is connected with a stepping motor; Alternatively, one of the transmission members (330) is connected with a stepping motor. 5. The transfer assisting device according to claim 3, wherein a plurality of the adjusting screws (320) are arranged in a rectangular shape. 6. The transfer auxiliary device according to claim 2, wherein the chain or the belt adopts an open-loop structure, and the chain or the belt respectively has two free ends; The moving trolley (200) is provided with a hook, and the hook is used for hooking the two free ends of the chain or the belt, and enabling the chain or the belt to operate in a plurality of the transmissions. The part (330) is in a tensioned state; Pulling one of the two free ends can drive the plurality of adjusting screws (320) to rotate synchronously. 7. The transfer assisting device according to claim 1, wherein the maximum height of the transferring assisting device is not greater than 10 mm; The vertical distance of the installation space ranges from 2 to 4 mm. 8. The transfer assistance device according to any one of claims 1-7, characterized in that the track group (100) comprises a first track (110) and a second track (120) arranged in parallel; The width of the moving trolley (200) and/or the length of the support beam (310) can be adjusted in a direction perpendicular to the extension direction of the rail group (100). 9. The transfer assistance device according to claim 8, characterized in that there are two groups of the mobile carts (200), and the two groups of the mobile carts (200) are respectively connected to the first rail (110) and the The second rails (120) are arranged in a one-to-one correspondence; The mobile trolley (200) is provided with two sets of assembled wheels, and the two sets of assembled wheels are arranged at intervals along the extending direction of the rail group (100); the two ends of the support beam (310) are respectively fixedly connected to the two sets of wheels. set the mobile trolley (200); The support beam (310) adopts a telescopic beam structure. 10. The transfer assistance device according to claim 8, characterized in that, the mobile carts (200) are a group; The mobile trolley (200) includes a first vehicle body, a second vehicle body and a telescopic piece connected between the two; Both the support beam (310) and the telescopic member adopt a telescopic beam structure, one end of the support beam (310) is fixedly connected to the first vehicle body, and the other end is fixedly connected to the second vehicle body.

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