CN210140388U

CN210140388U - Hoisting device for transformer

Info

Publication number: CN210140388U
Application number: CN201920486351.6U
Authority: CN
Inventors: 温晓丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-03-13
Anticipated expiration: 2029-04-11

Abstract

The utility model belongs to the technical field of electric power construction equipment technique and specifically relates to a hoist device that transformer was used, including the transportation platform, the upper surface middle part rotation of transportation platform is provided with hydraulic telescoping cylinder, hydraulic telescoping cylinder outside lower part is provided with rotary mechanism, the piston rod upper end connection of hydraulic telescoping cylinder is provided with flexible arm mechanism, the upper surface of flexible arm mechanism is provided with driving motor, driving motor's main shaft outside cover is equipped with the reel, reel fixed surface is provided with the haulage rope, the haulage rope other end is walked around the leading wheel and is connected with the hanger plate, the both ends that play the hanger plate all rotate and are provided with the second pivot, two second pivot both ends outside all overlaps and is equipped with the connecting rod, it is provided with the third pivot to rotate between two relative connecting rods, two third pivot outside middle parts all are provided with the. The utility model discloses have hoist and mount and stabilize safety more, transformer hoist and mount convenient and fast more simultaneously.

Description

Hoisting device for transformer

Technical Field

The utility model relates to an electric power construction equipment technical field especially relates to a hoist device that transformer was used.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. In electrical equipment and wireless circuits, the high-voltage power supply is commonly used for voltage lifting, impedance matching, safety isolation and the like. The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, and the like. According to the application, the method can be divided into: distribution transformers, power transformers, fully enclosed transformers, combined transformers, dry transformers, oil immersed transformers, single phase transformers, electric furnace transformers, rectifier transformers, etc.

In the installation of transformer, need install transformer hoist and mount to the assigned position, current hoist and mount method generally uses the rope directly to hoist and mount, and this kind of hoist and mount mode is comparatively simple, and the transformer drops easily in hoist and mount process, leads to the transformer to damage, and security and stability are relatively poor, and the result of use is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the hoist device that a transformer was used that proposes, the transformer hoist and mount of messenger are more stable safety, and transformer hoist and mount convenient and fast more simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the lifting device for the transformer comprises a transportation platform, wherein support columns are arranged at four corners of the lower surface of the transportation platform, and universal wheels are connected to the lower ends of the support columns; a hydraulic station is arranged in the middle of the lower surface of the transportation platform; the middle part of the upper surface of the transportation platform is rotatably provided with a hydraulic telescopic cylinder, and the lower part of the outer side of the hydraulic telescopic cylinder is provided with a rotating mechanism; the upper end of a piston rod of the hydraulic telescopic cylinder is connected with a telescopic arm mechanism; a driving motor is arranged on the upper surface of the telescopic arm mechanism, and a reel is sleeved on the outer side of a main shaft of the driving motor; the end, far away from the hydraulic telescopic cylinder, of the telescopic arm mechanism is symmetrically provided with fixing plates in front and back; a first rotating shaft is connected between the two fixed plates, and a guide wheel is sleeved on the outer side of the first rotating shaft; a traction rope is fixedly arranged on the surface of the winding wheel, and the other end of the traction rope bypasses the guide wheel and is connected with a lifting plate; the two ends of the lifting plate are both rotatably provided with second rotating shafts, the outer sides of the two ends of each second rotating shaft are both sleeved with connecting rods, and a third rotating shaft is rotatably arranged between the two opposite connecting rods; the middle parts of the outer sides of the two third rotating shafts are provided with clamping plates; the lower surfaces of the two clamping plates are fixedly provided with supporting plates; and the front side and the rear side of the two clamping plates are in threaded connection with locking bolts, and a connecting plate mechanism is arranged between the locking bolts in bilateral symmetry.

Preferably, the rotating mechanism comprises a first servo motor, a first bevel gear, a second bevel gear and a protective cover; the protective cover is fixedly arranged in the middle of the upper surface of the transportation platform, and the lower end of the hydraulic telescopic cylinder penetrates through the protective cover to be rotatably connected with the transportation platform; the lower part of the outer side of the cylinder body of the hydraulic telescopic cylinder is sleeved with a first bevel gear, and the first bevel gear is positioned in the protective cover; a first servo motor is fixedly arranged on one side of the protective cover, and a main shaft of the first servo motor penetrates through the outer side of the protective cover and is sleeved with a second bevel gear which is meshed with the first bevel gear.

Preferably, the telescopic arm mechanism comprises a first support arm, a second support arm, a guide slide block, a rack and a second servo motor; the upper surface of the first support arm is provided with a driving motor; one end of the first support arm is connected with the upper end of a piston rod of the hydraulic telescopic cylinder, and the other end of the first support arm is inserted with a second support arm; the front side of the second support arm is provided with a rack, and the upper side and the lower side of the second support arm are both fixedly provided with guide sliding blocks; the inner wall of the first supporting arm is provided with a sliding groove matched with the guide sliding block; a second servo motor is fixedly arranged at the left end of the front side face of the first supporting arm, and a main shaft of the second servo motor penetrates through the outer side of the first supporting arm and is sleeved with a gear matched with the rack.

Preferably, the connecting plate mechanism comprises a connecting plate, a sliding groove and an expansion sleeve; the middle part of the connecting plate is provided with a sliding chute with a trapezoidal cross section; and an expansion sleeve matched with the sliding groove is sleeved on the outer side of the locking bolt.

Preferably, the opposite side surfaces of the two clamping plates are provided with rubber buffer layers.

The utility model provides a hoist device that transformer was used, beneficial effect lies in: the utility model discloses in through the wedge cooperation between tight cover and the link plate of expanding, make the distance between two pinch-off blades fixed unchangeable, thereby make transformer hoist and mount more steady point safety, buffering atress effect through the rubber buffer layer, avoid the transformer to collide the damage at hoist and mount in-process, it is rotatory to first helical gear drive to drive second helical gear through first servo motor, thereby make the rotatory angle of adjustment of hydraulic telescoping cylinder, simultaneously through second servo motor drive gear revolve the back promote the second support arm through the rack and slide in first support arm, thereby adjust the horizontal position of transformer, and then make transformer hoist and mount convenient and fast more.

Drawings

Fig. 1 is a schematic front view of a hoisting device for a transformer according to the present invention;

fig. 2 is a schematic view of a cross-sectional structure at a position a in a lifting device for a transformer according to the present invention;

fig. 3 is the utility model provides a partial structure schematic diagram of connecting plate mechanism and connecting plate mechanism B department section structure schematic diagram in hoisting device that transformer was used.

In the figure: the device comprises a universal wheel 1, a support column 2, a transportation platform 3, a hydraulic station 4, an expansion sleeve 5, a protective cover 6, a hydraulic telescopic cylinder 7, a first support arm 8, a second rotating shaft 9, a third rotating shaft 10, a locking bolt 11, a clamping plate 12, a support plate 13, a rubber buffer layer 14, a connecting rod 15, a lifting plate 16, a traction rope 17, a second support arm 18, a fixing plate 19, a rack 20, a first rotating shaft 21, a guide wheel 22, a guide slider 23, a reel 24, a driving motor 25, a first bevel gear 26, a second bevel gear 27, a first servo motor 28, a second servo motor 29, a rotating mechanism 30, a gear 31, a telescopic arm mechanism 32, a connecting plate 33 and a connecting plate mechanism 34.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a lifting device for a transformer comprises a transportation platform 3, wherein support columns 2 are arranged at four corners of the lower surface of the transportation platform 3, universal wheels 1 are connected to the lower ends of the support columns 2, a hydraulic station 4 is arranged in the middle of the lower surface of the transportation platform 3, a hydraulic telescopic cylinder 7 is rotatably arranged in the middle of the upper surface of the transportation platform 3, a rotating mechanism 30 is arranged at the lower part of the outer side of the hydraulic telescopic cylinder 7, the rotating mechanism 30 comprises a first servo motor 28, a first helical gear 26, a second helical gear 27 and a protective cover 6, the protective cover 6 is fixedly arranged in the middle of the upper surface of the transportation platform 3, the lower end of the hydraulic telescopic cylinder 7 penetrates through the protective cover 6 to be rotatably connected with the transportation platform 3, the lower part of the outer side of the cylinder body of the hydraulic telescopic cylinder 7 is sleeved with the, the main shaft of the first servo motor 28 penetrates through the outer side sleeve of the protective cover 6 and is provided with the second bevel gear 27 meshed with the first bevel gear 26, and the first bevel gear 26 is driven to rotate through the second bevel gear 27 by the first servo motor 28, so that the hydraulic telescopic cylinder 7 can rotate to adjust the angle more conveniently.

The upper end of a piston rod of the hydraulic telescopic cylinder 7 is connected with a telescopic arm mechanism 32, the upper surface of the telescopic arm mechanism 32 is provided with a driving motor 25, the telescopic arm mechanism 32 comprises a first support arm 8, a second support arm 18, a guide sliding block 23, a rack 20 and a second servo motor 29, the upper surface of the first support arm 8 is provided with the driving motor 25, one end of the first support arm 8 is connected with the upper end of the piston rod of the hydraulic telescopic cylinder 7, the other end of the first support arm 8 is inserted with the second support arm 18, the front side of the second support arm 18 is provided with the rack 20, the upper side and the lower side of the second support arm 18 are both fixedly provided with the guide sliding block 23, the inner wall of the first support arm 8 is provided with a sliding groove matched with the guide sliding block 23, the left end of the front side of the first support arm 8 is fixedly provided with the second servo motor 29, a, reel 24 is equipped with to the main shaft outside cover of driving motor 25, telescopic arm mechanism 32 is kept away from hydraulic stretching jar 7 one end front and back symmetry and is provided with fixed plate 19, it is provided with first pivot 21 to connect between two fixed plate 19, first pivot 21 outside cover is equipped with leading wheel 22, reel 24 fixed surface is provided with haulage rope 17, draw to haulage rope 17 through driving motor 25 drive reel 24, make transformer hoist and mount convenient laborsaving more, promote through rack 20 after the second servo motor 29 drive gear 31 revolves simultaneously and slide in first support arm 8 second support arm 18, thereby the horizontal position of adjustment transformer.

The other end of the traction rope 17 bypasses a guide wheel 22 and is connected with a lifting plate 16, two ends of the lifting plate 16 are both rotatably provided with second rotating shafts 9, the outer sides of two ends of the two second rotating shafts 9 are both sleeved with connecting rods, a third rotating shaft 10 is rotatably arranged between the two opposite connecting rods, the middle part of the outer side of the two third rotating shafts 10 is both provided with clamping plates 12, the lower surfaces of the two clamping plates 12 are fixedly provided with supporting plates 13, the front side and the rear side of each of the two clamping plates 12 are both in threaded connection with locking bolts 11, a connecting plate mechanism 34 is arranged between the bilaterally symmetrical locking bolts 11, the connecting plate mechanism 34 comprises a connecting plate 33, a sliding groove and an expansion sleeve 5, the middle part of the connecting plate 33 is provided with the sliding groove with a trapezoidal cross section, the outer side of each locking bolt 11 is sleeved with the expansion sleeve 5 matched with the sliding, therefore, the transformer can be hoisted more stably and safely.

The opposite side surfaces of the two clamping plates 12 are provided with rubber buffer layers 14, and the collision and damage of the transformer in the hoisting process are avoided through the buffering stress action of the rubber buffer layers 14.

The working principle is as follows: when the device works, the locking bolt 11 is firstly unscrewed from the clamping plates 12 and can freely move, then the two clamping plates 12 are placed on two sides of the transformer, the upper surface of the supporting plate 13 is attached to the lower surface of the transformer, then the locking bolt 11 is appropriately screwed, the two clamping plates 12 are adjusted to be respectively attached to two side walls of the transformer, then the locking bolt 11 is screwed, the distance between the two clamping plates 12 is fixed by utilizing the wedge fit between the expansion sleeve 5 and the connecting plate 33, the collision and damage of the transformer in the hoisting process are avoided by utilizing the buffering stress action of the rubber buffer layers 14 arranged on the opposite side surfaces of the clamping plates 12, the driving motor 25 is utilized to drive the reel 24 to rotate anticlockwise to retract and pull the traction rope 17, so that the transformer moves upwards and slowly under the traction of the traction rope 17, and simultaneously, the first bevel gear 26 is driven to rotate by the first servo motor 28 through the second bevel gear 27 according to, so that the hydraulic telescopic cylinder 7 rotates for adjusting the angle, and simultaneously the gear 31 is driven to rotate by the second servo motor 29, and the gear 31 pushes the second support arm 18 to slide in the first support arm 8 through the meshing transmission of the rack 20, thereby adjusting the horizontal position of the transformer.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hoisting device for a transformer comprises a transportation platform (3), and is characterized in that supporting columns (2) are arranged at four corners of the lower surface of the transportation platform (3), and universal wheels (1) are connected to the lower ends of the supporting columns (2); a hydraulic station (4) is arranged in the middle of the lower surface of the transportation platform (3); a hydraulic telescopic cylinder (7) is rotatably arranged in the middle of the upper surface of the transportation platform (3), and a rotating mechanism (30) is arranged at the lower part of the outer side of the hydraulic telescopic cylinder (7); the upper end of a piston rod of the hydraulic telescopic cylinder (7) is connected with a telescopic arm mechanism (32); a driving motor (25) is arranged on the upper surface of the telescopic arm mechanism (32), and a winding wheel (24) is sleeved on the outer side of a main shaft of the driving motor (25); the end, far away from the hydraulic telescopic cylinder (7), of the telescopic arm mechanism (32) is symmetrically provided with fixing plates (19) in front and back; a first rotating shaft (21) is connected between the two fixing plates (19), and a guide wheel (22) is sleeved on the outer side of the first rotating shaft (21); a traction rope (17) is fixedly arranged on the surface of the reel (24), and the other end of the traction rope (17) bypasses the guide wheel (22) and is connected with a lifting plate (16); two ends of the lifting plate (16) are respectively and rotatably provided with a second rotating shaft (9), the outer sides of two ends of the two second rotating shafts (9) are respectively sleeved with a connecting rod, and a third rotating shaft (10) is rotatably arranged between the two opposite connecting rods; the middle parts of the outer sides of the two third rotating shafts (10) are respectively provided with a clamping plate (12); the lower surfaces of the two clamping plates (12) are fixedly provided with supporting plates (13); the front side and the rear side of the two clamping plates (12) are in threaded connection with locking bolts (11), and connecting plate mechanisms (34) are arranged between the locking bolts (11) which are symmetrical left and right.

2. The lifting device for a transformer according to claim 1, characterized in that the rotation mechanism (30) comprises a first servo motor (28), a first bevel gear (26), a second bevel gear (27) and a shield (6); the protective cover (6) is fixedly arranged in the middle of the upper surface of the transportation platform (3), and the lower end of the hydraulic telescopic cylinder (7) penetrates through the protective cover (6) to be rotatably connected with the transportation platform (3); the lower part of the outer side of the cylinder body of the hydraulic telescopic cylinder (7) is sleeved with a first bevel gear (26), and the first bevel gear (26) is positioned in the protective cover (6); a first servo motor (28) is fixedly arranged on one side of the protective cover (6), and a second bevel gear (27) meshed with the first bevel gear (26) is sleeved on a main shaft of the first servo motor (28) in a penetrating mode on the outer side of the protective cover (6).

3. The lifting device for a transformer according to claim 1, characterized in that the telescopic arm mechanism (32) comprises a first arm (8), a second arm (18), a guide slider (23), a rack (20) and a second servo motor (29); the upper surface of the first support arm (8) is provided with a driving motor (25); one end of the first support arm (8) is connected with the upper end of a piston rod of the hydraulic telescopic cylinder (7), and the other end of the first support arm (8) is inserted with a second support arm (18); a rack (20) is arranged on the front side of the second support arm (18), and guide sliding blocks (23) are fixedly arranged on the upper side and the lower side of the second support arm (18); the inner wall of the first support arm (8) is provided with a sliding groove matched with the guide sliding block (23); a second servo motor (29) is fixedly arranged at the left end of the front side face of the first support arm (8), and a gear (31) matched with the rack (20) is sleeved on a main shaft of the second servo motor (29) through the outer side of the first support arm (8).

4. The lifting device for a transformer according to claim 1, wherein the connection plate mechanism (34) comprises a connection plate (33), a sliding groove and an expansion sleeve (5); the middle part of the connecting plate (33) is provided with a sliding chute with a trapezoidal cross section; the outside cover of locking bolt (11) is equipped with spout assorted tight cover (5) that expands.

5. The lifting device for a transformer according to claim 1, characterized in that the two clamping plates (12) are provided with rubber buffers (14) on opposite sides.