CN115642015A

CN115642015A - Transformer convenient to install

Info

Publication number: CN115642015A
Application number: CN202211423003.7A
Authority: CN
Inventors: 赵军; 徐益航; 章伟健
Original assignee: Changzhi Lianren Technology Co ltd
Current assignee: Changzhi Lianren Technology Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-01-24

Abstract

The invention discloses a transformer convenient to install, which comprises a transformer body, wherein the upper end of the transformer body is provided with an end cover through a first locking mechanism and a second locking mechanism, the transformer body is provided with a sliding sleeve below the first locking mechanism in a sliding manner along the vertical direction, the left side and the right side of the sliding sleeve are symmetrically provided with a clamping component and a control component matched with the clamping component, the control component is connected with the lower end of the transformer body and is used for clamping a telegraph pole, when the sliding sleeve is positioned at the lower end of the transformer body, the sliding sleeve controls the clamping component to be positioned at a loosening position through the control component, and meanwhile, the first locking mechanism locks the end cover at the upper end of the transformer body; when the sliding sleeve is located at the upper end position of the transformer body, the sliding sleeve controls the clamping assembly to be located at the clamping position through the control assembly, and meanwhile, the first locking mechanism unlocks the end cover; the transformer convenient to install is simple in structure, convenient to install and convenient to overhaul.

Description

Transformer convenient to install

Technical Field

The invention relates to the technical field of transformers, in particular to a transformer convenient to install.

Background

The transformer is the basic equipment of power transmission and distribution, and the main component is primary, secondary, iron core and shell, and the main function has: voltage conversion, current transformation, impedance conversion, isolation, voltage stabilization and the like are continuously and rapidly increased along with the realization of the power industry in recent years, transformers are increasingly used, and at present, when the transformers are installed, procedures such as box opening inspection, secondary carrying, hoisting in place, core hanging inspection, accessory installation, handover experiment, engineering acceptance and the like are generally needed, but the following problems can be encountered when the procedures are really implemented:

1. in the process of installing the transformer, when a hoisting in-place process is implemented, workers are required to climb the telegraph pole to install the support required for placing the transformer between the telegraph poles, then the transformer is hoisted to the installation support through hoisting tools, then bolts for fixing the transformer are tightened through the workers, and the hoisting in-place step is completed;

2. in the process of installing the transformer, when the inspection of the hoisting core is carried out, workers are required to open the end cover of the transformer, then the end cover is communicated with the internal coil to be completely hoisted through a hoisting tool, then the inside of the transformer is inspected, in the process, the workers are required to remove bolts on the transformer, the transformer needs to be installed again after the inspection, a large amount of manpower is required to be consumed, the installation quality cannot be guaranteed, and the work of the transformer can be influenced if the end cover is not well installed;

3. when the transformer is damaged and needs to be maintained, the step of disassembling the transformer is troublesome at present, and the danger is extremely high.

Disclosure of Invention

The invention aims to provide a transformer convenient to mount, which is simple in structure and convenient to mount and overhaul.

In order to achieve the purpose, the invention provides the following technical scheme: a transformer convenient to install comprises a transformer body, wherein an end cover is arranged at the upper end of the transformer body through a first locking mechanism and a second locking mechanism, a sliding sleeve is connected to the transformer body below the first locking mechanism in a sliding mode along the vertical direction, clamping assemblies and control assemblies matched with the clamping assemblies are symmetrically arranged on the left side and the right side of the sliding sleeve, the control assemblies are connected with the lower end of the transformer body and used for clamping a telegraph pole, when the sliding sleeve is located at the lower end position of the transformer body, the sliding sleeve controls the clamping assemblies to be located at a loosening position through the control assemblies, and meanwhile the end cover is locked at the upper end of the transformer body through the first locking mechanism; when the sliding sleeve is located at the upper end position of the transformer body, the sliding sleeve controls the clamping assembly to be located at the clamping position through the control assembly, and meanwhile the first locking mechanism unlocks the end cover.

Furthermore, the first locking mechanism comprises a first lock rod, a convex edge extending outwards is arranged at the upper end of the transformer body, the first lock rod is hinged to the convex edge through a first hinge shaft, a first lock block used for locking the end cover at the upper end of the transformer body is arranged at the upper end of the first lock rod, a first torsion spring connected with the first lock rod is fixedly arranged on the first hinge shaft, and the first torsion spring is used for forcing the first lock rod to drive the first lock block to move towards the upper end direction of the transformer body; the upper end of sliding sleeve is equipped with the back taper mouth, and when the relative transformer body of sliding sleeve upwards moved, the back taper mouth drove the upper end that first locking piece left the transformer body with first lock pole cooperation.

Furthermore, the clamping assembly comprises an arc-shaped clamping block provided with a notch, a guide sliding rod is arranged on one side of the arc-shaped clamping block away from the notch, a sleeve is arranged on the outer side of the lower end of the sliding sleeve along the radial direction of the sliding sleeve, the guide sliding rod extends into the sleeve, a limiting sliding groove is axially arranged on the outer side of the guide sliding rod, a limiting convex column extending into the limiting sliding groove is fixedly arranged on the side wall of the sleeve, and a third spring used for forcing the guide sliding rod to move towards the direction away from the transformer body is arranged in the sleeve; the arc-shaped clamping block is provided with a sliding groove in the inner side wall opposite to the notch, a limiting block is connected in the sliding groove in a sliding mode along the radial direction of the arc-shaped clamping block, a radial rod extending out of the arc-shaped clamping block is arranged on the limiting block, first connecting rods are symmetrically arranged at the end portions of the radial rod, a first spring located between the arc-shaped clamping block and the first connecting rods is sleeved on the radial rod, and the first spring is used for forcing the first connecting rods to be far away from the outer side of the arc-shaped clamping block; the clamping jaw assembly is characterized in that clamping jaw assemblies of the first connecting rod are symmetrically arranged on two sides of the radial rod in the arc-shaped clamping block, when the first connecting rod is located at a first position far away from the outer side wall of the arc-shaped clamping block, the clamping jaw assemblies contract to enable the clamping assemblies to be loosened, and when the first connecting rod is located at a second position close to the outer side wall of the arc-shaped clamping block, the clamping jaw assemblies stretch out to enable the clamping assemblies to be clamped.

Furthermore, the clamping jaw assembly comprises a linkage rod which is connected in the arc-shaped clamping block in a sliding manner along the radial direction of the arc-shaped clamping block, a first clamping jaw rod and a second clamping jaw rod are connected in the arc-shaped clamping block in a sliding manner along the radial direction of the arc-shaped clamping block on two sides of the linkage rod, a first arc-shaped jaw is arranged at one end, extending into the arc-shaped clamping block, of the first clamping jaw rod, and a second arc-shaped jaw is arranged at one end, extending into the arc-shaped clamping block, of the second clamping jaw rod; a first transmission rod is hinged between the first jaw rod and the linkage rod on the outer side of the arc-shaped clamping block, and a second transmission rod is hinged between the second jaw rod and the linkage rod; one end of the first transmission rod is provided with a first sliding chute, the other end of the first transmission rod is provided with a second sliding chute, one end of the second transmission rod is provided with a third sliding chute, the other end of the second transmission rod is provided with a fourth sliding chute, and one end of the first transmission rod, which is close to the second transmission rod, is provided with a fifth sliding chute; the first clamping jaw rod is provided with a first convex column extending into the first sliding groove, the linkage rod is provided with a second convex column extending into the second sliding groove and the third sliding groove, and the second clamping jaw rod is provided with a third convex column extending into the fourth sliding groove and the fifth sliding groove; when the first connecting rod moves towards the direction of the outer side wall of the arc-shaped clamping block, the first clamping claw rod drives the first arc-shaped claw, the second clamping claw rod drives the second arc-shaped claw to move towards the direction of the inner side wall of the arc-shaped clamping block, so that the clamping jaw assembly contracts, when the first connecting rod moves towards the direction of the outer side wall of the arc-shaped clamping block, the first clamping claw rod drives the first arc-shaped claw, and the second clamping claw rod drives the second arc-shaped claw to move towards the direction of the inner side wall of the arc-shaped clamping block, so that the clamping jaw assembly stretches out.

Furthermore, the control assembly comprises a control rod, a support extending downwards is arranged on the outer side of the sleeve, the control rod is hinged to the lower end of the support, the free end of the control rod is used for abutting against one end, extending out of the arc-shaped clamping block, of the radial rod to push the first connecting rod to be located at the second position, a sixth sliding groove is formed in the other end of the control rod, and a fourth convex column extending into the sixth sliding groove is formed in the lower end of the transformer body; when the sliding sleeve slides downwards relative to the transformer body to the lower end position, the fourth convex column is matched with the sixth sliding groove, the free end of the control rod leaves the end part of the radial rod downwards, when the sliding sleeve slides upwards relative to the transformer body to the upper end position, the fourth convex column is matched with the sixth sliding groove, and the free end of the control rod abuts against the end part of the radial rod.

Furthermore, the second locking mechanism comprises a second lock rod, the second lock rod is hinged to the outer side of the transformer body through a second hinge shaft, a second lock block is arranged at the upper end of the second lock rod, a second torsion spring connected with the second lock rod is fixedly arranged on the second hinge shaft, and the second torsion spring is used for forcing the second lock rod to drive the second lock block to move towards the upper end of the transformer body; a first sliding hole, a second sliding hole and a third sliding hole are arranged in the transformer body, are perpendicular to and are communicated with the first sliding hole, and the upper end of the third sliding hole is an opening end; a first sliding block is connected in the first sliding hole in a sliding mode, a first power groove is formed in the second lock rod, and a first power convex column extending into the first power groove is arranged at one end, extending out of the first sliding hole, of the first sliding block; a second sliding block is connected in the second sliding hole in a sliding manner along the vertical direction, and a limiting groove for the lower end of the second sliding block to extend into is formed in the outer side of the first sliding block; a third sliding block is connected in the third sliding hole in a sliding manner along the vertical direction, and a second spring for forcing the third sliding block to move upwards is arranged in the third sliding hole; a lower notch for the second sliding block to extend into is arranged in the third sliding block; a communicating groove used for communicating the second sliding hole with the third sliding hole is formed in the transformer body, an upper notch is formed in the third sliding block above the lower notch, and a shifting rod which penetrates through the communicating groove and extends into the upper notch is fixedly arranged on the second sliding block; the lateral wall of second slide opening is equipped with the location ball, the outside of second slider is equipped with last constant head tank and the lower constant head tank that supplies the location ball to stretch into.

Furthermore, when the positioning ball is positioned in the upper positioning groove, the lower end of the second sliding block downwards extends into the first sliding hole, and when the end cover leaves the upper end of the transformer body, the second spring forces the third sliding block to move upwards, the lower end of the upper notch abuts against the deflector rod and pushes the deflector rod to drive the second sliding block to move upwards, and the positioning ball enters the lower positioning groove; when the locating ball is located the lower locating groove, and the end cover lid closes the upper end at the transformer body, third slider downstream compression second spring, and when the lower notch was just to first slider, the second locking lever drove first slider and inserts in the notch down, thereby the second locking lever drove the second locking piece and compresses tightly the upper end at the end cover with end cover locking at the upper end of transformer body.

Furthermore, the upper end of the end cover is provided with a hanging ring.

Advantageous effects

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the sliding sleeve is arranged on the transformer body, and the clamping assembly on the sliding sleeve can be driven to clamp the telegraph pole through sliding between the sliding sleeve and the transformer body, so that the transformer is convenient to mount, a bracket is not required to be mounted by a worker firstly, climbing of the worker is avoided, and the working risk of the worker is reduced;

2. the fourth convex column is arranged on the transformer body, and is matched with the control rod on the sliding sleeve, so that when the transformer is lifted, the sliding sleeve is in the lower end position relative to the transformer body, the fourth convex column drives the control rod to swing at the moment, the free end of the control rod is separated from the end part of the radial rod downwards, the clamping assembly is loosened, the telegraph pole is not clamped by the clamping assembly when the transformer is lifted upwards, but the transformer is limited by the clamping assembly, the transformer is prevented from being collided when the transformer is lifted in place, when the transformer is lifted in place by a lifting machine, the sliding sleeve is in the upper end position relative to the transformer body due to the friction force of the telegraph pole when the transformer is lifted, the fourth convex column drives the control rod to rotate, the free end of the control rod rotates the radial rod to compress the first spring, the clamping assembly is driven to clamp the telegraph pole, the fixation of the transformer is completed, the installation of the transformer can be completed only by lifting mechanism to lift and put down, the manpower loss is reduced, and the installation is convenient;

3. by arranging the first clamping and locking mechanism and the second clamping and locking mechanism, when the transformer moves upwards in the feeding direction of the transformer, the sliding sleeve is positioned at the lower end position of the transformer body, the first clamping and locking mechanism clamps and the second clamping and locking mechanism opens to lock the end cover and the transformer body, when the transformer body moves to a proper height and is put down by a hoisting tool, the transformer body slides downwards relative to the sliding sleeve, the sliding sleeve pushes the first clamping and locking mechanism to open, the end cover is unlocked, the hoisting tool lifts the end cover to hoist internal parts of the transformer, the transformer can be disassembled without manual disassembly, the inspection of a hoisting core is convenient, and after the inspection of the hoisting core is finished, the end cover only needs to be put down, the end cover pushes the second clamping and locking mechanism to work, the second clamping and locking mechanism can lock the end cover, the re-assembly of the transformer is finished, and the labor is saved;

4. can make radial pole stretch out and draw back through setting up first spring, when needs are dismantled the transformer, at first hoist the transformer for clamping jaw subassembly unblock, then promote the clamping jaw subassembly shrink with the insulator spindle through the workman, make clamping jaw subassembly and wire pole separation, make the sliding sleeve not receive the frictional force effect, be in the lower extreme position of transformer body always, then rethread hoist and mount machines put down the transformer, make the transformer dismantle need not artifical climbing to dismantle, the dismantlement step is simple, and the manpower consumption is reduced.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view taken at I of FIG. 1 according to the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention;

FIG. 5 is an enlarged view of FIG. 2 taken at II of the present invention.

Detailed Description

Referring to fig. 1-5, a transformer convenient to mount includes a transformer body 1, an end cap 2 is disposed at an upper end of the transformer body 1 through a first locking mechanism and a second locking mechanism, and a hanging ring 21 is disposed at an upper end of the end cap 2; the transformer comprises a transformer body 1, and is characterized in that a sliding sleeve 3 is connected to the lower part of a first locking mechanism in a sliding manner along the vertical direction, clamping components and control components matched with the clamping components are symmetrically arranged on the left side and the right side of the sliding sleeve 3, the control components are connected with the lower end of the transformer body 1, the clamping components are used for clamping a telegraph pole, when the sliding sleeve 3 is located at the lower end position of the transformer body 1, the sliding sleeve 3 controls the clamping components to be located at a releasing position through the control components, and meanwhile, the first locking mechanism locks an end cover 2 at the upper end of the transformer body 1; when the sliding sleeve 3 is located at the upper end position of the transformer body 1, the sliding sleeve 3 controls the clamping assembly to be located at the clamping position through the control assembly, and meanwhile, the first locking mechanism unlocks the end cover 2.

The first locking mechanism comprises a first lock rod 11, the upper end of the transformer body 1 is provided with a convex edge 1a extending outwards, the first lock rod 11 is hinged to the convex edge 1a through a first hinge shaft, the upper end of the first lock rod 11 is provided with a first lock block 11a used for locking the end cover 2 at the upper end of the transformer body 1, a first torsion spring 12 connected with the first lock rod 11 is fixedly arranged on the first hinge shaft, and the first torsion spring 12 is used for forcing the first lock rod 11 to drive the first lock block 11a to move towards the upper end direction of the transformer body 1; the upper end of sliding sleeve 3 is equipped with back taper mouth 31, and when sliding sleeve 3 relative transformer body 1 upward movement, back taper mouth 31 and the first lock pole 11 cooperation drive first locking piece 11a and leave the upper end of transformer body 1.

The clamping assembly comprises an arc-shaped clamping block 41 with a notch, a guide sliding rod 4a is arranged on one side of the arc-shaped clamping block 41 far away from the notch, a sleeve 3a is arranged on the outer side of the lower end of the sliding sleeve 3 along the radial direction of the sliding sleeve 3, the guide sliding rod 4a extends into the sleeve 3a, a limit sliding groove 4b is axially arranged on the outer side of the guide sliding rod 4a, a limit convex column 3b extending into the limit sliding groove 4b is fixedly arranged on the side wall of the sleeve 3a, and a third spring 32 used for forcing the guide sliding rod 4a to move towards the direction far away from the transformer body 1 is arranged in the sleeve 3 a; the inner side wall of the arc-shaped clamping block 41, which faces the notch, is provided with a sliding groove 4c, a limiting block 4d is connected in the sliding groove 4c in a sliding manner along the radial direction of the arc-shaped clamping block 41, a radial rod 43 extending out of the arc-shaped clamping block 41 is arranged on the limiting block 4d, the end part of the radial rod 43 is symmetrically provided with a first connecting rod 43a, a first spring 46 positioned between the arc-shaped clamping block 41 and the first connecting rod 43a is sleeved on the radial rod 43, and the first spring 46 is used for forcing the first connecting rod 43a to be far away from the outer side of the arc-shaped clamping block 41; the arc-shaped clamping block 41 is symmetrically provided with clamping jaw assemblies connected with the first connecting rod 43a at two sides of the radial rod 43, when the first connecting rod 43a is located at a first position far away from the outer side wall of the arc-shaped clamping block 41, the clamping jaw assemblies are contracted to enable the clamping assemblies to be loosened, and when the first connecting rod 43a is located at a second position close to the outer side wall of the arc-shaped clamping block 41, the clamping jaw assemblies are extended to enable the clamping assemblies to be clamped.

The clamping jaw assembly comprises a linkage rod 451 which is connected in the arc-shaped clamping block 41 in a sliding manner along the radial direction of the arc-shaped clamping block 41, a first clamping jaw rod 442a and a second clamping jaw rod 441a are connected in the arc-shaped clamping block 41 at two sides of the linkage rod 451 in a sliding manner along the radial direction of the arc-shaped clamping block 41, a first arc-shaped jaw 442 is arranged at one end of the first clamping jaw rod 442a extending into the arc-shaped clamping block 41, and a second arc-shaped jaw 441 is arranged at one end of the second clamping jaw rod 441a extending into the arc-shaped clamping block 41; a first transmission rod 472 is hinged to the outer side of the arc-shaped clamping block 41 between the first clamping jaw rod 442a and the linkage rod 451, and a second transmission rod 471 is hinged to the outer side of the arc-shaped clamping block between the second clamping jaw rod 441a and the linkage rod 451; one end of the first transmission rod 472 is provided with a first sliding groove 4721, the other end is provided with a second sliding groove 4722, one end of the second transmission rod 471 is provided with a third sliding groove 4712, the other end is provided with a fourth sliding groove 4711, and one end of the first connecting rod 43a close to the second transmission rod 471 is provided with a fifth sliding groove 431; a first convex column 4421 extending into the first sliding groove 4721 is arranged on the first clamping jaw rod 442a, a second convex column 4511 extending into the second sliding groove 4722 and the third sliding groove 4712 is arranged on the linkage rod 451, and a third convex column 4411 extending into the fourth sliding groove 4711 and the fifth sliding groove 431 is arranged on the second clamping jaw rod 441 a; when the first connecting rod 43a moves towards the direction far from the outer side wall of the arc-shaped clamping block 41, the first clamping jaw rod 442a drives the first arc-shaped jaw 442, and the second clamping jaw rod 441a drives the second arc-shaped jaw 441 to move towards the direction close to the inner side wall of the arc-shaped clamping block 41, so that the clamping jaw assembly contracts.

The control assembly comprises a control rod 42, a support 3c extending downwards is arranged on the outer side of the sleeve 3a, the control rod 42 is hinged to the lower end of the support 3c, the free end of the control rod 42 is used for abutting against one end, extending out of the arc-shaped clamping block 41, of the radial rod 43 to push the first connecting rod 43a to be located at the second position, a sixth sliding groove 421 is arranged at the other end of the control rod 42, and a fourth convex column 14 extending into the sixth sliding groove 421 is arranged at the lower end of the transformer body 1; when the sliding sleeve 3 slides downwards relative to the transformer body 1 to the lower end position, the fourth protruding column 14 is matched with the sixth sliding groove 421, the free end of the control rod 42 leaves the end part of the radial rod 43 downwards, when the sliding sleeve 3 slides upwards relative to the transformer body 1 to the upper end position, the fourth protruding column 14 is matched with the sixth sliding groove 421, and the free end of the control rod 42 abuts against the end part of the radial rod 43.

The second locking mechanism comprises a second locking rod 13, the second locking rod 13 is hinged to the outer side of the transformer body 1 through a second hinged shaft, a second locking block 13a is arranged at the upper end of the second locking rod 13, a second torsion spring 15 connected with the second locking rod 13 is fixedly arranged on the second hinged shaft, and the second torsion spring 15 is used for forcing the second locking rod 13 to drive the second locking block 13a to move towards the upper end of the transformer body 1; a first slide hole 2e, a second slide hole 2f and a third slide hole 2g which are perpendicular to and communicated with the first slide hole 2e are arranged in the transformer body 1, and the upper end of the third slide hole 2g is an opening end; a first sliding block 51 is connected in the first sliding hole 2e in a sliding manner, a first power groove 131 is arranged in the second lock rod 13, and a first power convex column 511 extending into the first power groove 131 is arranged at one end of the first sliding block 51 extending out of the first sliding hole 2 e; a second sliding block 53 is connected in the second sliding hole 2f in a sliding manner along the vertical direction, and a limiting groove 512 for the lower end of the second sliding block 53 to extend into is arranged on the outer side of the first sliding block 51; a third slide block 52 is connected in the third slide hole 2g in a sliding manner along the vertical direction, and a second spring 56 for forcing the third slide block 52 to move upwards is arranged in the third slide hole 2 g; a lower notch 521 for the second sliding block 53 to extend into is arranged in the third sliding block 52; a communicating groove 2h for communicating the second slide hole 2f with the third slide hole 2g is formed in the transformer body 1, an upper notch 522 is formed in the third slide block 52 above the lower notch 521, and a deflector rod 54 which penetrates through the communicating groove 2h and extends into the upper notch 522 is fixedly arranged on the second slide block 53; the side wall of the second slide hole 2f is provided with a positioning ball 55, and the outer side of the second slide block 53 is provided with an upper positioning groove 531 and a lower positioning groove 532 for the positioning ball 55 to extend into. When the positioning ball 55 is located in the upper positioning groove 531, the lower end of the second slider 53 extends downward into the first sliding hole 2e, and when the end cap 2 leaves the upper end of the transformer body 1, the second spring 56 forces the third slider 52 to move upward, the lower end of the upper notch 522 abuts against the shift lever 54 and pushes the shift lever 54 to drive the second slider 53 to move upward, and the positioning ball 55 enters the lower positioning groove 532; when the positioning ball 55 is located in the lower positioning groove 532 and the end cover covers the upper end of the transformer body 1, the third slider 52 moves downwards to compress the second spring 56, when the lower notch 521 is opposite to the first slider 51, the second lock rod 13 drives the first slider 51 to be inserted into the lower notch 521, and the second lock rod 13 drives the second lock block 13a to be pressed above the end cover 2 so as to lock the end cover 2 at the upper end of the transformer body 1.

When the invention needs to be installed, firstly, the invention is hoisted away from the ground through the hoisting ring 21 by using a hoisting tool, at this time, the sliding sleeve 3 slides downwards under the gravity, the fourth convex column 14 slides in the sixth sliding groove 421, so that the fourth convex column 14 drives the control rod 42 to swing, the free end of the control rod 42 is far away from the end of the radial rod 43 downwards, the first arc-shaped claw 442 and the second arc-shaped claw 441 in the arc-shaped clamping block 41 are opened under the action of the first spring 46, the clamping assembly is loosened, then the transformer body 1 is moved so that the telegraph pole on one side enters one arc-shaped clamping block 41 through the notch, then the arc-shaped clamping block 41 on the other side is pushed inwards by overcoming the third spring 32, the arc-shaped clamping block 41 on the other side can be brought between two telegraph poles, then the arc-shaped clamping block 41 on the other side can be brought into the arc-shaped clamping block 41 through the notch, the arc-shaped clamping block 41 is pressed against the telegraph pole due to the action of the third spring 32, then the end cover 2 is hoisted by using the hoisting tool, at this time, the first locking rod 11 is connected with the end cover 2 and the transformer body 1 through the first locking block 11a force, so that the transformer body is kept in a state that the lower end of the transformer body is kept away from the transformer body 3, and the transformer body is kept in a state relative to the lower end of the transformer body, and the transformer body is kept in a friction state.

When the transformer arrives at a proper position, the hoisting machine controls the transformer to descend, the transformer body 1 moves downwards under the action of gravity, the sliding sleeve 3 moves upwards relative to the transformer body 1 under the action of friction force, the fourth convex column 14 drives the control rod 42 to rotate, the radial rod 43 is pushed to drive the first connecting rod 43a to overcome the movement of the first spring 46, the second arc-shaped claw 441 is driven to extend out to the center of the arc-shaped clamping block 41 by the sliding of the third convex column 4411 in the fifth sliding groove 431, the second driving rod 471 is driven to swing by the sliding of the third convex column 4411 in the fourth sliding groove 4711, the linkage rod 451 slides outwards by the sliding of the second convex column 4511 in the third sliding groove 4712 and the second sliding groove 4722, and the first driving rod 472 is driven to swing at the same time, and the first convex column 4421 slides in the first sliding groove 4721, and then the first arc-shaped claw 442 is driven by the first clamping jaw 442a to extend to move towards the center of the arc-shaped clamping block 41, so that the first arc-shaped claw 442 and the second arc-shaped claw 441 clamp the telegraph pole, meanwhile, the inverted cone mouth 31 pushes the first lock rod 11 to overcome the rotation of the first torsion spring 12, the first lock block 11a separates the transformer body 1 from the end cover 2, the hoisting tool drives the end cover 2 to ascend, the coil 22 is pulled out, and the hanging core inspection process is convenient to implement, at this time, because the end cover 2 is separated from the transformer body 1, at this time, the third slide block 52 is pushed to move upwards under the action of the second spring 56, so that the lower end of the upper notch 522 pushes the second slide block 53 to move upwards through the deflector rod 54, so that the positioning ball 55 exits from the lower positioning groove 532 and enters the upper positioning groove 531, the second slide block 53 exits from the limiting groove 512, because the first power convex column 511 slides in the first power groove 131, the first slide block 51 is pressed against the third slide block 52 by the second torsion spring 15, the second lock rod 13 is still kept at the open position, when the core checking is completed, the hoisting tool lowers the end cover 2 and pushes the third slide block 52 to move downwards, when the lower notch 521 is aligned with the first slide block 51, the second slide block 53 cannot move downwards due to the positioning of the positioning ball 55, the first slide block 51 is pushed to enter the lower notch 521 under the action of the second torsion spring 15, and the second lock rod 13 locks the end cover 2 and the transformer body 1, so that the installation is completed.

When the transformer needs to be taken down for maintenance, firstly, the transformer needs to be lifted up by using a lifting tool, the sliding sleeve 3 moves downwards relative to the transformer body 1, the control rod 42 is far away from the radial rod 43, the clamping assembly is loosened, then, workers need to use an insulating rod on the ground to overcome the third spring 32 to push the arc-shaped clamping block 41, so that the arc-shaped clamping block 41 is separated from the telegraph pole, the sliding sleeve 3 is always in the position corresponding to the lower end of the transformer body 1, and the transformer can be taken down by the lifting tool, so that the transformer is simple and convenient; when the transformer is installed again after maintenance, the first sliding block 51 is pulled to move outwards by overcoming the second torsion spring 15 to pull the second lock rod 13, so that the positioning limit groove 512 and the second sliding block 53 are aligned, then the third sliding block 52 is pressed downwards by overcoming the second spring 56, then the second sliding block 53 is driven to enter the positioning limit groove 512 by the driving lever 54, and then the end cover 2 is covered, so that resetting is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A transformer convenient to install is characterized by comprising a transformer body, wherein the upper end of the transformer body is provided with an end cover through a first locking mechanism and a second locking mechanism, the transformer body is provided with a sliding sleeve below the first locking mechanism in a sliding mode along the vertical direction, the left side and the right side of the sliding sleeve are symmetrically provided with a clamping assembly and a control assembly matched with the clamping assembly, the control assembly is connected with the lower end of the transformer body and used for clamping a telegraph pole, when the sliding sleeve is located at the lower end position of the transformer body, the sliding sleeve controls the clamping assembly to be located at a loosening position through the control assembly, and meanwhile the first locking mechanism locks the end cover at the upper end of the transformer body; when the sliding sleeve is located at the upper end position of the transformer body, the sliding sleeve controls the clamping assembly to be located at the clamping position through the control assembly, and meanwhile the first locking mechanism unlocks the end cover.

2. The transformer with convenient installation according to claim 1, wherein the first locking mechanism comprises a first locking rod, the upper end of the transformer body is provided with an outwardly extending convex edge, the first locking rod is hinged on the convex edge through a first hinge shaft, the upper end of the first locking rod is provided with a first locking block for locking the end cover on the upper end of the transformer body, the first hinge shaft is fixedly provided with a first torsion spring connected with the first locking rod, and the first torsion spring is used for forcing the first locking rod to drive the first locking block to move towards the upper end of the transformer body; the upper end of sliding sleeve is equipped with the back taper mouth, and when the relative transformer body of sliding sleeve upwards moved, the back taper mouth drove the upper end that first locking piece left the transformer body with first lock pole cooperation.

3. The transformer convenient to mount and fast to mount according to claim 1, wherein the clamping assembly comprises an arc-shaped clamping block provided with a notch, a guide sliding rod is arranged on one side of the arc-shaped clamping block far away from the notch, a sleeve is arranged on the outer side of the lower end of the sliding sleeve along the radial direction of the sliding sleeve, the guide sliding rod extends into the sleeve, a limit sliding groove is axially arranged on the outer side of the guide sliding rod, a limit convex column extending into the limit sliding groove is fixedly arranged on the side wall of the sleeve, and a third spring used for forcing the guide sliding rod to move in the direction far away from the transformer body is arranged in the sleeve; the arc-shaped clamping block is provided with a sliding groove in the inner side wall opposite to the notch, a limiting block is connected in the sliding groove in a sliding mode along the radial direction of the arc-shaped clamping block, a radial rod extending out of the arc-shaped clamping block is arranged on the limiting block, first connecting rods are symmetrically arranged at the end portions of the radial rod, a first spring located between the arc-shaped clamping block and the first connecting rods is sleeved on the radial rod, and the first spring is used for forcing the first connecting rods to be far away from the outer side of the arc-shaped clamping block; the clamping jaw assembly is characterized in that clamping jaw assemblies of the first connecting rod are symmetrically arranged on two sides of the radial rod in the arc-shaped clamping block, when the first connecting rod is located at a first position far away from the outer side wall of the arc-shaped clamping block, the clamping jaw assemblies contract to enable the clamping assemblies to be loosened, and when the first connecting rod is located at a second position close to the outer side wall of the arc-shaped clamping block, the clamping jaw assemblies stretch out to enable the clamping assemblies to be clamped.

4. The transformer with convenient installation according to claim 3, wherein the clamping jaw assembly comprises a linkage rod which is connected in the arc-shaped clamping block in a sliding manner along the radial direction of the arc-shaped clamping block, a first clamping jaw rod and a second clamping jaw rod are connected in the arc-shaped clamping block in a sliding manner along the radial direction of the arc-shaped clamping block on two sides of the linkage rod, a first arc-shaped jaw is arranged at one end, extending into the arc-shaped clamping block, of the first clamping jaw rod, and a second arc-shaped jaw is arranged at one end, extending into the arc-shaped clamping block, of the second clamping jaw rod; a first transmission rod is hinged between the first jaw rod and the linkage rod on the outer side of the arc-shaped clamping block, and a second transmission rod is hinged between the second jaw rod and the linkage rod; one end of the first transmission rod is provided with a first sliding groove, the other end of the first transmission rod is provided with a second sliding groove, one end of the second transmission rod is provided with a third sliding groove, the other end of the second transmission rod is provided with a fourth sliding groove, and one end of the first transmission rod, which is close to the second transmission rod, is provided with a fifth sliding groove; the first clamping jaw rod is provided with a first convex column extending into the first sliding groove, the linkage rod is provided with a second convex column extending into the second sliding groove and the third sliding groove, and the second clamping jaw rod is provided with a third convex column extending into the fourth sliding groove and the fifth sliding groove; when first connecting rod is to keeping away from arc clamp splice lateral wall direction motion, first clamping jaw pole drives first arc claw to and second clamping jaw pole drives second arc claw and all makes clamping jaw subassembly shrink to being close to arc clamp splice inside wall direction motion, when first connecting rod is to being close to arc clamp splice lateral wall direction motion, first clamping jaw pole drives first arc claw, and second clamping jaw pole drives second arc claw and all makes clamping jaw subassembly stretch out to keeping away from arc clamp splice inside wall direction motion.

5. The transformer convenient to install according to claim 4, wherein the control assembly comprises a control rod, a bracket extending downwards is arranged on the outer side of the sleeve, the control rod is hinged to the lower end of the bracket, the free end of the control rod is used for pushing the first connecting rod to be in the second position in a mode of abutting against one end, extending out of the arc-shaped clamping block, of the radial rod, a sixth sliding groove is formed in the other end of the control rod, and a fourth protruding column extending into the sixth sliding groove is formed in the lower end of the transformer body; when the sliding sleeve slides downwards to the lower end position relative to the transformer body, the fourth convex column is matched with the sixth sliding groove, the free end of the control rod leaves the end part of the radial rod downwards, when the sliding sleeve slides upwards to the upper end position relative to the transformer body, the fourth convex column is matched with the sixth sliding groove, and the free end of the control rod abuts against the end part of the radial rod.

6. The transformer convenient to install according to claim 3, wherein the second locking mechanism comprises a second locking rod hinged to the outer side of the transformer body through a second hinge shaft, a second locking block is arranged at the upper end of the second locking rod, a second torsion spring connected with the second locking rod is fixedly arranged on the second hinge shaft, and the second torsion spring is used for forcing the second locking rod to drive the second locking block to move towards the upper end of the transformer body; a first sliding hole, a second sliding hole and a third sliding hole are arranged in the transformer body, are perpendicular to and are communicated with the first sliding hole, and the upper end of the third sliding hole is an opening end; a first sliding block is connected in the first sliding hole in a sliding manner, a first power groove is formed in the second lock rod, and a first power convex column extending into the first power groove is arranged at one end, extending out of the first sliding hole, of the first sliding block; a second sliding block is connected in the second sliding hole in a sliding manner along the vertical direction, and a limiting groove for the lower end of the second sliding block to extend into is formed in the outer side of the first sliding block; a third sliding block is connected in the third sliding hole in a sliding manner along the vertical direction, and a second spring for forcing the third sliding block to move upwards is arranged in the third sliding hole; a lower notch for the second sliding block to extend into is arranged in the third sliding block; a communicating groove used for communicating the second sliding hole with the third sliding hole is formed in the transformer body, an upper notch is formed in the third sliding block above the lower notch, and a shifting rod which penetrates through the communicating groove and extends into the upper notch is fixedly arranged on the second sliding block; the lateral wall of second slide opening is equipped with the location ball, the outside of second slider is equipped with last constant head tank and the lower constant head tank that supplies the location ball to stretch into.

7. The transformer with convenient installation according to claim 6, wherein when the positioning ball is positioned in the upper positioning groove, the lower end of the second sliding block extends downwards into the first sliding hole, and when the end cover leaves the upper end of the transformer body, the second spring forces the third sliding block to move upwards, the lower end of the upper notch abuts against the deflector rod and pushes the deflector rod to drive the second sliding block to move upwards, and the positioning ball enters the lower positioning groove; when the locating ball is located the lower locating groove, and the end cover lid closes the upper end at the transformer body, third slider downstream compression second spring, and when the lower notch was just to first slider, the second locking lever drove first slider and inserts in the notch down, thereby the second locking lever drove the second locking piece and compresses tightly the upper end at the end cover with end cover locking at the upper end of transformer body.

8. The transformer with convenient installation according to claim 1, wherein the upper end of the end cover is provided with a lifting ring.