CN218403342U - Overhead hoist of oil-immersed transformer shell - Google Patents

Abstract

The utility model provides an overhead hoist of oil-immersed transformer case, belong to overhead hoist technical field, the utility model provides a be equipped with the lug on the current transformer case, be unfavorable for the hoist and mount personnel to ascend a height and hang wire rope on the one hand, on the other hand interferes the problem of the wiring of transformer itself easily, this application includes the hoist and mount board, the battery, two slides, two sliding plates, two remote control switches, four push rod motors, four centre gripping arms and four lugs, this application utilizes cooling device installation area's cell body edge as the loading end of hoist and mount on traditional transformer case's the shell connection board of heat dissipation cascade and new-type transformer case, need not add the engaging lug on transformer case, the setting up of lug also need not worry simultaneously influences the wiring of terminal in the transformer, compare and still need cut and grind the tie-down to the lug part after traditional shell welding, this application has simplified the course of treatment to lug on transformer case when the shell installation, the installation procedure has been simplified.

Description

Overhead hoist of oil-immersed transformer shell

Technical Field

The utility model belongs to the technical field of the overhead hoist, concretely relates to overhead hoist of oil-immersed transformer shell.

Background

An oil-immersed transformer is a common transformer component of a transformer substation, the arrangement mode of the oil-immersed transformer is generally that a base is firstly arranged on a target placement area, a transformer body part of the transformer is arranged on the base, the transformer body part comprises an iron core, a winding, an insulation structure and the like, after the arrangement of the transformer body part is finished, an external oil tank (namely a shell) is buckled on the transformer body part, the shell and a base interface are welded and fixed, the tightness of the subsequent oil filled in an oil tank is ensured, the external oil tank of the existing transformer is divided into two parts, one part is an oil tank outer wall, the other part is an oil tank top cover, the oil tank top cover and the oil tank outer wall are fastened and connected through bolts, the oil tank outer wall is provided with radiating cascades, the oil tank top cover is provided with lifting lugs, when the external oil tank is arranged, the oil tank outer wall and the oil tank top cover are firstly fastened and connected through bolts, after oil is filled into the tank body, along with the continuous increase of the voltage of the transformer, the working temperature of an oil body in the oil tank is also continuously increased, the internal pressure of the tank body is increased at high temperature, under the condition of high pressure, a gap is easily formed at the joint between the outer wall of the oil tank and the top cover of the oil tank, external impurities enter the oil tank, the viscosity in the oil body circulation process is increased, and the oil circulation efficiency in the oil-immersed transformer is influenced, so that experts in the field of transformers put forward the structural form of the integrated transformer shell, the structure can form a complete closed space after the bottom of the oil tank and the base of the transformer are welded, and an air cooling or water cooling arrangement area needs to be pre-processed on the surface of the shell aiming at the novel structure of the transformer shell, the oil tank is cooled through an external hanging type water cooling and air cooling structure, a traditional hoisting lug is usually arranged at the top of a transformer shell, the transformer shell is high between 2-4m, the height of the transformer shell is higher, the hoisting lug is not convenient to prepare, on the other hand, hoisting personnel cannot ascend and hang a steel wire rope, a plurality of binding posts are further arranged on the shell of the transformer, wiring of the transformer is easily interfered after the hoisting lug is arranged, and therefore the lifting device for developing the oil-immersed transformer shell replaces the lifting lug structure on the existing transformer shell and can also meet the demand of debugging the transformer shell, which is in line with actual needs.

SUMMERY OF THE UTILITY MODEL

The lifting lug is arranged on the existing transformer shell, so that on one hand, the lifting lug is not beneficial to lifting personnel to hang a steel wire rope, on the other hand, the problem that the wiring of the transformer is easy to interfere is solved, and the lifting device of the oil-immersed transformer shell is developed;

a lifting device for an oil-immersed transformer shell comprises lifting plates, a storage battery, two slideways, two sliding plates, two remote control switches, four push rod motors, four clamping arms and four lifting lugs; the storage battery is arranged at the center of the upper surface of the hoisting plate, the bottom of the storage battery is fixedly connected with the upper surface of the hoisting plate, two slideways are symmetrically arranged on the upper surface of the hoisting plate along the center line of the width direction of the hoisting plate, each slideway is fixedly connected with the upper surface of the hoisting plate, two sliding plates are symmetrically arranged on the two slideways along the center line of the length direction of the hoisting plate, each sliding plate is in sliding connection with the two slideways, two push rod motors are arranged on the upper surface of each sliding plate, the output rods of the two push rod motors are arranged along the center line of the width direction of the hoisting plate in a back-to-back manner, the shell of each push rod motor is fixedly connected with the upper surface of the sliding plate, the power supply input end of each push rod motor is connected with the storage battery through a lead, a clamping arm is correspondingly arranged on the output rod of each push rod motor, the upper part of each clamping arm is fixedly connected with the end part of the output rod of the motor where the push rod is positioned, the lower part of the clamping arm extends to the lower part of the hoisting plate, a remote control switch is arranged between each sliding plate and the storage battery, each remote control switch is fixedly connected with the upper surface of the hoisting plate, the power input end of each remote control switch is connected with the storage battery through a lead, the signal output end of each remote control switch is connected with the signal input ends of two push rod motors on the sliding plate closest to the remote control switch through leads, each remote control switch controls the contraction and extension actions of the two push rod motors on the sliding plate closest to the remote control switch, two lifting lugs are arranged on the center line of the hoisting plate along the length direction, the two lifting lugs on the center line of the hoisting plate along the length direction are symmetrically arranged along the center line of the hoisting plate along the width direction, and two lifting lugs are arranged on the center line of the hoisting plate along the width direction, the two lifting lugs positioned on the center line of the width direction of the hoisting plate are symmetrically arranged along the center line of the length direction of the hoisting plate, and each lifting lug is fixedly connected with the upper surface of the hoisting plate;

furthermore, a positioning groove is processed on the upper surface of the slide way along the length direction of the slide way, two positioning threaded holes are processed at the corresponding position of each sliding plate and the positioning groove on the slide way, a bolt and nut component is correspondingly arranged in each positioning threaded hole, and each sliding plate is detachably connected with one slide way through the two bolt and nut components;

furthermore, the clamping arm comprises a connecting plate, a transition plate, a clamping plate and a plurality of hoisting lugs, wherein a sleeving hole is formed in the upper part of the connecting plate, the connecting plate is sleeved at the end part of an output rod in the push rod motor through the sleeving hole, the transition plate is arranged below the connecting plate, the top of the transition plate is fixedly connected with the bottom of the connecting plate, the clamping plate is arranged below the transition plate and fixedly connected with the top of the transition plate, the bottom of one side, facing the hoisting plate, of the clamping plate is provided with a plurality of hoisting lugs at equal intervals along the width direction of the clamping plate, and each hoisting lug is fixedly connected with the clamping plate;

furthermore, the width of the connecting plate is smaller than that of the clamping plate, the transition plate is of a trapezoidal plate structure, the top and the width of the transition plate are the same as those of the connecting plate, and the bottom and the width of the transition plate are the same as those of the clamping plate;

furthermore, rubber pads are attached to one sides, facing the hoisting plate, of the transition plate and the clamping plate;

furthermore, an anti-skid rubber pad is attached to the top of each hoisting bump;

compared with the prior art, the application has the following beneficial effects:

1. the utility model provides a pair of overhead hoist of oil-immersed transformer shell, utilize cooling device installation area's cell body edge as the loading end of hoist and mount on traditional transformer shell's the shell connecting plate of last heat dissipation cascade and new-type transformer shell, need not add the engaging lug on transformer shell, shell cost of manufacture has been reduced, the wiring of terminal in the transformer is influenced in the setting that also need not worry the lug simultaneously, compare and still need cut and grind the tie-down to the lug part after traditional shell welding, the application has simplified the course of treatment to transformer shell lug when the shell installation, the installation procedure has been simplified.

2. The utility model provides a pair of overhead hoist of oil-immersed transformer shell, press from both sides tight hoist and mount to transformer shell through pressing from both sides tight arm, cooling device installation area's cell body edge contact provides the handling strong point on the shell connecting plate of the leaf bars that dispel the heat on the hoist and mount lug and the traditional transformer shell of pressing from both sides tight arm bottom and new-type transformer shell, all be equipped with the non-slip rubber pad in the inboard of centre gripping arm and the top of hoist and mount lug simultaneously, through the frictional force between non-slip rubber pad increase centre gripping arm and the shell, can guarantee the contact stability of centre gripping arm and shell when the centre gripping.

3. The utility model provides a pair of overhead hoist of oil-immersed transformer shell, the operator can utilize ground equipment control push rod motor work, and then realizes the centre gripping action of centre gripping arm, does not need personnel to climb to transformer shell's top installation wire rope, has reduced operator's intensity of labour.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic structural view of the clamp arm of the present invention;

fig. 5 is a schematic diagram of hoisting (hoisting a new-type transformer housing) when the utility model is in use;

fig. 6 is a schematic diagram of the hoisting of the utility model (hoisting of a conventional transformer housing);

in the figure: the device comprises a hoisting plate 1, a slideway 2, a sliding plate 3, a storage battery 4, a remote control switch 5, a push rod motor 6, a clamping arm 7, a connecting plate 71, a transition plate 72, a clamping plate 73, a rubber pad 74, a hoisting lug 75 and a lifting lug 8.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 6, and the embodiment provides a lifting device for an oil-immersed transformer shell, which includes a lifting plate 1, a storage battery 4, two slideways 2, two sliding plates 3, two remote control switches 5, four push rod motors 6, four clamping arms 7 and four lifting lugs 8; the storage battery 4 is arranged at the center of the upper surface of the hoisting plate 1, the bottom of the storage battery 4 is fixedly connected with the upper surface of the hoisting plate 1, the two slide ways 2 are symmetrically arranged on the upper surface of the hoisting plate 1 along the center line of the hoisting plate 1 in the width direction, each slide way 2 is fixedly connected with the upper surface of the hoisting plate 1, the two sliding plates 3 are symmetrically arranged on the two slide ways 2 along the center line of the hoisting plate 1 in the length direction, each sliding plate 3 is in sliding connection with the two slide ways 2, two push rod motors 6 are arranged on the upper surface of each sliding plate 3, the output rods of the two push rod motors 6 are arranged in a back-to-back manner along the center line of the hoisting plate 1 in the width direction, the shell of each push rod motor 6 is fixedly connected with the upper surface of the sliding plate 3, the power supply input end of each push rod motor 6 is connected with the storage battery 4 through a lead, a clamping arm 7 is correspondingly arranged on the output rod of each push rod motor 6, the upper part of a clamping arm 7 is fixedly connected with the end part of an output rod of a push rod motor 6, the lower part of the clamping arm 7 extends to the lower part of a hoisting plate 1, a remote control switch 5 is arranged between each sliding plate 3 and a storage battery 4, each remote control switch 5 is fixedly connected with the upper surface of the hoisting plate 1, the power input end of each remote control switch 5 is connected with the storage battery 4 through a lead, the signal output end of each remote control switch 5 is connected with the signal input ends of two push rod motors 6 on the sliding plate 3 closest to the remote control switch through a lead, each remote control switch 5 controls the contraction and extension actions of the two push rod motors 6 on the sliding plate 3 closest to the remote control switch, two lifting lugs 8 are arranged on the center line of the hoisting plate 1 along the length direction, the two lifting lugs 8 on the center line of the hoisting plate 1 along the width direction of the hoisting plate 1 are symmetrically arranged, the lifting plate is characterized in that two lifting lugs 8 are arranged on the center line of the lifting plate 1 in the width direction, the two lifting lugs 8 on the center line of the lifting plate 1 in the width direction are symmetrically arranged along the center line of the lifting plate 1 in the length direction, and each lifting lug 8 is fixedly connected with the upper surface of the lifting plate 1.

The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 6, and a difference between the embodiment and the specific embodiment is that a positioning groove is formed on the upper surface of the slide way 2 along the length direction of the slide way 2, two positioning threaded holes are formed at positions of each sliding plate 3 corresponding to the positioning groove on the slide way 2, a bolt and nut assembly is correspondingly arranged in each positioning threaded hole, and each sliding plate 3 is detachably connected with one slide way 2 through two bolt and nut assemblies. Other components and connection modes are the same as those of the first embodiment.

So set up, be convenient for fix a position sliding plate 3, guarantee can not change in the position of hoist and mount in-process sliding plate 3, in order to increase sliding plate 3's stability in practical application, can increase the number of positioning thread hole, increase bolt and nut subassembly's number simultaneously.

The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 6, and the embodiment is different from the second embodiment in that the clamping arm 7 includes a connecting plate 71, a transition plate 72, a clamping plate 73, and a plurality of hoisting protrusions 75, a sleeving hole is processed on the upper portion of the connecting plate 71, the connecting plate 71 is sleeved on the end portion of the output rod of the push rod motor 6 through the sleeving hole, the transition plate 72 is disposed below the connecting plate 71, the top of the transition plate 72 is fixedly connected with the bottom of the connecting plate 71, the clamping plate 73 is disposed below the transition plate 72, the clamping plate 73 is fixedly connected with the top of the transition plate 72, the bottom of the clamping plate 73 facing the hoisting plate 1 is provided with a plurality of hoisting protrusions 75 at equal intervals along the width direction of the clamping plate 73, and each hoisting protrusion 75 is fixedly connected with the clamping plate 73. Other components and connection modes are the same as those of the second embodiment.

So set up, cross cab apron 72 and grip block 73 and as main lateral part bearing structure in the centre gripping arm, hoist and mount lug 75 and hold up the structure as the bottom, through the design of a plurality of hoist and mount lugs 75, both can effectively hold up the cell body edge of cooling device installation region on new-type transformer shell, can also cooperate the heat dissipation cascade structure on the traditional transformer shell simultaneously, make every hoist and mount lug 75 set up in the cascade hole.

The fourth concrete implementation mode is as follows: the present embodiment is described with reference to fig. 1 to 6, and the present embodiment is different from the present embodiment in that the width of the connecting plate 71 is smaller than the width of the holding plate 73, the transition plate 72 has a trapezoidal plate structure, the top and width of the transition plate 72 are the same as the width of the connecting plate 71, and the bottom and width of the transition plate 72 are the same as the width of the holding plate 73. Other components and connection modes are the same as those of the third embodiment.

So set up, through carrying out the design of syllogic to the centre gripping arm, can reduce the total weight of centre gripping arm, the transition end adopts trapezoidal plate structural design, can play the effect of stable connection.

The fifth concrete implementation mode is as follows: the present embodiment is described with reference to fig. 1 to 6, and is different from the present embodiment in that a rubber pad 74 is attached to the transition plate 72 and the clamp plate 73 on the side facing the hoisting plate 1. The other components and the connection mode are the same as those of the fourth embodiment.

The sixth specific implementation mode is as follows: the present embodiment is described with reference to fig. 1 to 6, and the difference between the present embodiment and the fifth embodiment is that a skid-proof rubber pad is attached to the top of each lifting lug 75. The other components and the connection mode are the same as the fifth embodiment mode.

So set up, all be equipped with anti-skidding cushion in the inboard of centre gripping arm and the top of hoist and mount lug, through the frictional force between anti-skidding cushion increase centre gripping arm and the shell, can guarantee the contact stability of centre gripping arm and shell when the centre gripping.

The present invention has been disclosed in the above embodiments, but not limited to the present invention, and any person skilled in the art can make some changes or modifications to the equivalent embodiments without departing from the technical scope of the present invention, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments will still belong to the technical scope of the present invention.

The working principle is as follows:

the remote control switch 5 used by the utility model is a HK-GSM10s two-way mobile phone control switch produced by China Haitong company, when in use, the remote control switch 5 is connected with a mobile phone of a controller through WiFi signals, all parts are firstly assembled together according to the structures in the first embodiment to the sixth embodiment, firstly, a steel wire rope is arranged in two oppositely arranged lifting lugs 8 on the hoisting plate 1 through a worker, according to the arrangement position of the crane, constructors can judge on site, after the steel wire rope is installed, the hoisting device can be lifted a little to enable the bottom of the clamping arm to be away from the ground, the distance between the two sliding plates 3 is adjusted according to the size of the transformer housing to be hoisted, and it is noted that, in the adjusting process, the two sliding plates 3 need to be synchronously adjusted inwards or outwards, the distance between each sliding plate 3 and the center of the hoisting plate 1 is ensured to be equal as much as possible, in order to ensure the accuracy of adjustment, a scale can be arranged in the length direction of the slide way 2 for convenient adjustment, after the position of the sliding plate 3 is adjusted, the sliding plate 3 and the slide way 2 can be fastened and known through a bolt and nut component, further positioning the sliding plate 3, after the sliding plate 3 is positioned, the push rod motor 6 is controlled by the mobile phone to extend outwards to the maximum, the device is transported to a transformer shell through a crane, after the device is adjusted to a reasonable position, the push rod motor 6 is controlled to contract inwards to realize clamping action, the crane drives the hoisting device and the transformer shell to move to a transformer base needing to be provided with the shell, the push rod motor 6 is controlled to extend outwards to enable the clamping arm 7 to be separated from the transformer shell, and the steps are repeated to hoist the next transformer shell.

Claims (6)

1. The utility model provides a overhead hoist of oil-immersed transformer shell which characterized in that: the hoisting device comprises a hoisting plate (1), a storage battery (4), two slideways (2), two sliding plates (3), two remote control switches (5), four push rod motors (6), four clamping arms (7) and four lifting lugs (8); the storage battery (4) is arranged at the center of the upper surface of the hoisting plate (1), the bottom of the storage battery (4) is fixedly connected with the upper surface of the hoisting plate (1), the two slide ways (2) are symmetrically arranged on the upper surface of the hoisting plate (1) along the central line of the width direction of the hoisting plate (1), each slide way (2) is fixedly connected with the upper surface of the hoisting plate (1), the two sliding plates (3) are symmetrically arranged on the two slide ways (2) along the central line of the length direction of the hoisting plate (1), each sliding plate (3) is in sliding connection with the two slide ways (2), two push rod motors (6) are arranged on the upper surface of each sliding plate (3), the output rods of the two push rod motors (6) are arranged back to back along the center line of the width direction of the hoisting plate (1), the shell of each push rod motor (6) is fixedly connected with the upper surface of the sliding plate (3), the power input end of each push rod motor (6) is connected with the storage battery (4) through a wire, the output rod of each push rod motor (6) is correspondingly provided with a clamping arm (7), the upper part of the clamping arm (7) is fixedly connected with the end part of the output rod of the push rod motor (6) where the clamping arm is arranged, the lower part of the clamping arm (7) extends to the lower part of the hoisting plate (1), a remote control switch (5) is arranged between each sliding plate (3) and the storage battery (4), and each remote control switch (5) is fixedly connected with the upper surface of the hoisting plate (1), the power input end of each remote control switch (5) is connected with the storage battery (4) through a wire, the signal output end of each remote control switch (5) is connected with the signal input ends of the two push rod motors (6) on the sliding plate (3) closest to the remote control switch through wires, each remote control switch (5) controls the contraction and extension actions of the two push rod motors (6) on the sliding plate (3) closest to the remote control switch, two lifting lugs (8) are arranged on the center line of the hoisting plate (1) along the length direction, the two lifting lugs (8) on the center line of the hoisting plate (1) along the length direction are symmetrically arranged along the center line of the hoisting plate (1) along the width direction, two lifting lugs (8) on the center line of the hoisting plate (1) along the width direction are symmetrically arranged along the center line of the hoisting plate (1), and each lifting lug (8) is fixedly connected with the upper surface of the hoisting plate (1).

2. The hoisting device for the oil-immersed transformer shell as recited in claim 1, wherein: a positioning groove is formed in the upper surface of the slide way (2) in the length direction of the slide way (2), two positioning threaded holes are formed in the positions, corresponding to the positioning grooves in the slide way (2), of each sliding plate (3), a bolt and nut assembly is correspondingly arranged in each positioning threaded hole, and each sliding plate (3) is detachably connected with one slide way (2) through the two bolt and nut assemblies.

3. The hoisting device for the oil-immersed transformer shell as recited in claim 2, wherein: the clamping arm (7) comprises a connecting plate (71), a transition plate (72), a clamping plate (73) and a plurality of hoisting lugs (75), a sleeving hole is machined in the upper portion of the connecting plate (71), the connecting plate (71) is sleeved at the end portion of an output rod in the push rod motor (6) where the connecting plate is located through the sleeving hole, the transition plate (72) is arranged below the connecting plate (71), the top of the transition plate (72) is fixedly connected with the bottom of the connecting plate (71), the clamping plate (73) is arranged below the transition plate (72), the clamping plate (73) is fixedly connected with the top of the transition plate (72), the clamping plate (73) faces the bottom of one side of the hoisting plate (1) and is provided with the plurality of hoisting lugs (75) at equal intervals along the width direction of the clamping plate (73), and each hoisting lug (75) is fixedly connected with the clamping plate (73).

4. The hoisting device for the oil-immersed transformer shell as recited in claim 3, wherein: the width of the connecting plate (71) is smaller than that of the clamping plate (73), the transition plate (72) is of a trapezoidal plate structure, the top and the width of the transition plate (72) are the same as those of the connecting plate (71), and the bottom and the width of the transition plate (72) are the same as those of the clamping plate (73).

5. The hoisting device for the oil-immersed transformer shell as recited in claim 4, wherein: and a rubber pad (74) is attached to one side of the transition plate (72) and the clamping plate (73) facing the hoisting plate (1).

6. The hoisting device for the oil-immersed transformer shell as recited in claim 5, wherein: and an anti-skid rubber pad is attached to the top of each hoisting bump (75).

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