CN213265396U

CN213265396U - Portable quick installation device of distribution network transformer

Info

Publication number: CN213265396U
Application number: CN202021751165.XU
Authority: CN
Inventors: 李娟�; 刘强; 唐文利; 段磊; 张伟; 游江; 王琛; 张鑫; 孙艺林; 崔洁
Original assignee: Tongchuan Power Supply Co Of State Grid Shaanxi Electric Power Co
Current assignee: Tongchuan Power Supply Co Of State Grid Shaanxi Electric Power Co
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-25
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a portable distribution network transformer quick installation device, which relates to the field of distribution network transformer installation equipment, and is erected between two electric poles, wherein the portable distribution network transformer quick installation device comprises a bearing hoop, a dismounting cross arm, a hoisting chain block, a vertical hoisting mechanism and a horizontal hoisting mechanism; the utility model has the advantages that: this is novel has not only improved distribution network system's power supply reliability, but also makes the installer easily erection equipment, conveniently carries, reduces installer's work load, also practices thrift the pole frame investment simultaneously, reduces the area of joining in marriage in the net equipment fixing process, has practiced thrift the expenditure of resources in the installation to have scalability, remain further development space.

Description

Portable quick installation device of distribution network transformer

Technical Field

The utility model relates to a join in marriage net transformer erection equipment field, concretely relates to quick installation device of portable net transformer that joins in marriage.

Background

Current distribution transformer adopts the formula installation on the post, and on the rack was fixed in two poles with two channel-section steels, the rack reached 2.7m apart from the requirement of ground height, and the horizontal slope of rack is not more than 1/100, and distribution transformer installs in two channel-section steels, and two sleepers were placed to the bottom to prevent distribution transformer slippage and channel-section steel and transformer production vibration. Winding a steel strand with the diameter not less than 25mm and the two rods for one circle at the top of the transformer oil tank, wherein the winding method is a twisted twist form, and then tightening by using turnbuckle screws; the high-voltage column head of the transformer is additionally provided with a frog-proof cover, the outlet wire of the low-voltage column head is connected with a low-voltage insulated wire by a copper-aluminum equipment wire clamp, and the exposed part of the wire is insulated by adopting a heat-shrinkable insulating sleeve.

However, this type of mounting has problems: in the installation process, a crane is required to be used due to the overlarge weight of the distribution network transformer, but the crane cannot be used sometimes in a field working environment, so that a great problem is brought to constructors, and the working efficiency is reduced. In conclusion, I have designed a portable distribution network transformer quick installation device.

Disclosure of Invention

In order to solve the problem existing in the prior art, the utility model provides a portable distribution network transformer installs device fast.

The utility model discloses a realize through following technical scheme: a portable distribution network transformer quick installation device is erected between two electric poles and comprises a bearing hoop, a dismounting cross arm, a hoisting chain block, a vertical hoisting mechanism and a transverse hoisting mechanism;

the number of the bearing hoops is two, the bearing hoops are respectively sleeved outside the rod bodies of the two electric poles and can move up and down along the rod bodies of the electric poles; two ends of the dismounting cross arm are respectively erected on the two bearing hoops; the hoisting inverted chain comprises a main hook, a bearing chain and an auxiliary hook, and the main hook is arranged on the dismounting cross arm;

the vertical hoisting mechanism comprises two vertical U-shaped hoop winches which are respectively arranged on two electric poles, a first operating rod, a hinge and a first winch hook are arranged on each vertical U-shaped hoop winch, a first hoisting hole is formed in the bearing hoop, and the first winch hook is connected with the first hoisting hole;

the transverse hoisting mechanism comprises two transverse U-shaped hoop winches which are arranged on the bearing hoop respectively, each transverse U-shaped hoop winch comprises a second operating rod, a hinge and a second winch lifting hook, a second lifting hole is formed in the main hook, and the second winch lifting hook is connected with the second lifting hole.

Preferably, bear the staple bolt including embracing hoop block A and staple bolt piece B, embrace hoop block A and staple bolt piece B and all be the rectangle, be provided with semicircular groove respectively in the opposite side of staple bolt piece A and staple bolt piece B, the both sides of embracing hoop block A and staple bolt piece B are provided with the connecting hole that runs through respectively, embrace hoop block A and embrace hoop block B connects through the head rod, and the amalgamation clamps the body of rod outside of pole.

Preferably, the disassembling and assembling cross arm comprises two cross arm rods arranged in parallel, two ends of the disassembling and assembling cross arm are respectively erected on the bearing hoop, the two cross arm rods are respectively positioned on two sides of the rod body of the electric pole, and the two cross arm rods arranged on the same side are connected through a second connecting rod.

Preferably, the cross arm pole includes horizontal plate and the vertical board that mutually perpendicular set up, vertical board support lean on in on the body of rod of pole, two connect through the second connecting rod between the vertical board.

Preferably, two rollers are arranged on the lower side surface of the main hook, and the two rollers are respectively arranged on the horizontal plate and roll along the horizontal plate.

Preferably, the auxiliary hook is connected with a distribution network transformer, a bearing channel steel is arranged at the bottom of the distribution network transformer, and two ends of the bearing channel steel are connected with the rod body of the electric pole.

Preferably, the quantity of bearing channel-section steel is two, set up respectively in the both sides of the body of rod of pole, two homonymy one end of bearing channel-section steel is connected through the third connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: this is novel has not only improved distribution network system's power supply reliability, but also makes the installer easily erection equipment, conveniently carries, reduces installer's work load, also practices thrift the pole frame investment simultaneously, reduces the area of joining in marriage in the net equipment fixing process, has practiced thrift the expenditure of resources in the installation to have scalability, remain further development space.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

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

fig. 3 is a schematic structural view of the bearing hoop of the present invention;

fig. 4 is the structural schematic diagram of the vertical U-shaped hoop winch of the present invention.

In the figure: 1. an electric pole; 2. carrying hoops; 3. disassembling and assembling the cross arm; 4. hoisting the chain block; 5. a vertical U-shaped hoop winch; 6. a first operating lever; 7. a hinge; 8. a first winch hook; 9. a first lifting hole; 10. a transverse U-shaped hoop winch; 11. a second operating lever; 13. a second lifting hole; 14. a first connecting rod; 15. a second connecting rod; 16. a roller; 17. a distribution network transformer; 18. bearing channel steel; 19. a third connecting rod;

41. a main hook; 42. a load-bearing chain; 43. an auxiliary hook; 21. a hoop block A; 22. a hoop block B; 31. a transverse stretcher bar; 311. a horizontal plate; 312. a vertical plate.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings: as shown in fig. 1-4, a portable distribution network transformer quick installation device is erected between two electric poles 1, and comprises a bearing hoop 2, a dismounting cross arm 3, a hoisting chain block 4, a vertical hoisting mechanism and a horizontal hoisting mechanism.

The number of the bearing hoops 2 is two, the bearing hoops are respectively sleeved outside the rod bodies of the two electric poles 1 and can move up and down along the rod bodies of the electric poles 1; two ends of the dismounting cross arm 3 are respectively erected on the two bearing hoops 2; the hoisting inverted chain 4 comprises a main hook 41, a bearing chain 42 and an auxiliary hook 43, wherein the main hook 41 is hooked on the dismounting cross arm.

Further, vertical hoisting machine constructs including two vertical U type staple bolt winches 5, sets up respectively on two poles 1, is provided with first action bars 6, hinge 7 and first capstan lifting hook 8 on every vertical U type staple bolt capstan winch 5, is provided with first lewis hole 9 on bearing staple bolt 2, and first capstan lifting hook 8 is connected with first lewis hole. Vertical U type staple bolt capstan winch 5 is fixed to be set up on the pole, through operation first action bars 6, makes first capstan winch lifting hook 8 go upward, will bear staple bolt 2 and hang.

Further, horizontal hoisting machine constructs including setting up two horizontal U type staple bolt winches 10 on two bear staple bolts 2 respectively, and every horizontal U type staple bolt capstan winch 10 includes second action bars 11, hinge and second capstan winch lifting hook, is provided with second lewis hole 13 on main hook 41, and the second capstan winch lifting hook is connected with second lewis hole 13. The horizontal U-shaped anchor ear winch 10 is fixedly disposed on the carrier anchor ear 2, and the second operating lever 11 is operated to horizontally move the second winch hook, so that the main hook 41 is horizontally displaced.

Further, bear staple bolt 2 and include staple bolt piece A21 and staple bolt piece B22, staple bolt piece A21 and staple bolt piece B22 all are rectangular block-shaped, be provided with semicircular groove respectively at staple bolt piece A21 and staple bolt piece B22's the opposite side, staple bolt piece A and staple bolt piece B's both sides are provided with the connecting hole that runs through respectively, staple bolt piece A21 and staple bolt piece B21 connect through first connecting rod 14, the bolt fastening is passed through at the both ends of first connecting rod 14, staple bolt piece A and staple bolt piece B amalgamation clamp are outside the body of rod of pole 1. Preferably, the number of the first connecting rods 14 is two, and the two first connecting rods are respectively located at the front side and the rear side of the electric pole, so that the installation of the bearing hoop 2 is more stable.

Further, dismouting cross arm 3 includes two parallel arrangement's cross arm pole 31, and the both ends of dismouting cross arm 3 are erect respectively on bearing hoop 2, and two cross arm poles 31 are located the both sides of the body of rod of pole 1 respectively, connect through second connecting rod 15 between the two cross arm poles 31 that the homonymy set up. Preferably, the number of second connecting rods 15 is two, is located the left and right sides of pole respectively, and two second connecting rods and two horizontal pole formation groined type structure suit are in the outside of pole.

Preferably, the cross arm rod 31 includes a horizontal plate 311 and a vertical plate 312, which are perpendicular to each other, the vertical plate 312 abuts against the rod body of the electric pole 1, and the two vertical plates 312 are connected through the second connecting rod 15.

Preferably, two rollers 16 are provided on the lower side of the main hook 41, and the two rollers 16 are respectively provided on the horizontal plate 311 and roll along the horizontal plate 311. Preferably, the roller 16 may be directly machined on the main hook, or a bracket may be welded to the main hook 41, and the roller 16 may be mounted on the bracket.

Further, the auxiliary hook 43 is connected with the distribution network transformer 17, a bearing channel steel 18 is arranged at the bottom of the distribution network transformer 17, and two ends of the bearing channel steel 18 are connected with the rod body of the electric pole 1. Preferably, the number of the bearing channel steel 18 is two, the two bearing channel steel 18 are respectively arranged on two sides of the rod body of the electric pole 1, one ends of the two bearing channel steel 18 at the same side are connected through a third connecting rod 19, and two ends of the third connecting rod 19 are fixed through bolts. Preferably, the number of the third connecting rods 19 is two, the third connecting rods are respectively positioned at the left side and the right side of the electric pole, and the two third connecting rods and the two bearing channel steel form a groined structure sleeved outside the electric pole.

This novel device is in this embodiment, two are stepped on the pole personnel and respectively take a vertical U type staple bolt capstan winch 5, step on the pole, will take vertical U type staple bolt capstan winch 5 fixed in 5.7-6 meters department at two poles to release first capstan hook 8 to the pole root, the staple bolt 2 is born in two pole roots difference installations to ground personnel, nevertheless not locking, install 3 both ends of dismouting cross arm on bearing staple bolt 2, also not locking, hang hoist and mount 4 chain blocks on the middle hanging point of dismouting cross arm 3. Ground personnel hang first capstan winch lifting hook 8 on the first lewis hole 9 that bears staple bolt 2, and the hand first action bars 6 of personnel on the pole lifts by crane and bears staple bolt 2, dismouting cross arm 3 and hoist and mount 4-5.3 meters of chain block to the pole department, will bear staple bolt 2 and dismouting cross arm 3 and pole locking. The second winch hook is connected to the main hook 41 in advance, and when the dismounting cross arm is lifted to the correct position, the lever climber operates the second operation lever 11 to adjust the horizontal position of the main hook. After the adjustment is completed, ground personnel use the hoisting chain block 4 to hoist the distribution network transformer 17 (with the two bearing channel steel 18 under the base) to the height of 3 meters, and personnel on the pole go to the position of 3 meters of the pole, so that the two bearing channel steel 18 at the bottom of the distribution network transformer 17 are fixed with the pole.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A portable distribution network transformer quick installation device is erected between two electric poles and is characterized by comprising a bearing hoop, a dismounting cross arm, a hoisting chain block, a vertical hoisting mechanism and a transverse hoisting mechanism;

the number of the bearing hoops is two, the bearing hoops are respectively sleeved outside the rod bodies of the two electric poles and can respectively move up and down along the rod bodies of the electric poles; two ends of the dismounting cross arm are respectively erected on the two bearing hoops; the hoisting inverted chain comprises a main hook, a bearing chain and an auxiliary hook, and the main hook is arranged on the dismounting cross arm;

2. The device for quickly installing the portable distribution network transformer according to claim 1, wherein the bearing hoop comprises a hoop block A and a hoop block B, the hoop block A and the hoop block B are both rectangular blocks, semicircular grooves are respectively formed in opposite sides of the hoop block A and the hoop block B, through connecting holes are respectively formed in the hoop block A and the hoop block B, and the hoop block A and the hoop block B are connected through a first connecting rod and are spliced and clamped outside a rod body of the electric pole.

3. The portable distribution network transformer quick installation device as claimed in claim 1, wherein the dismounting cross arm comprises two parallel cross arm rods, two ends of each cross arm rod are respectively erected on two bearing hoops, and the two cross arm rods arranged on the same side are connected through a second connecting rod.

4. The portable distribution network transformer quick installation device according to claim 3, wherein the cross arm rod comprises a horizontal plate and a vertical plate which are perpendicular to each other, the vertical plate abuts against a rod body of the electric pole, and the two vertical plates are connected through the second connecting rod.

5. The device of claim 4, wherein two rollers are disposed on the lower side of the main hook, and the two rollers are disposed on and roll along the horizontal plate.

6. The portable distribution network transformer quick installation device as claimed in claim 1, wherein the secondary hook is connected with a distribution network transformer, a bearing channel steel is arranged at the bottom of the distribution network transformer, and two ends of the bearing channel steel are respectively connected with the rod body of the electric pole.

7. The portable distribution network transformer quick installation device as claimed in claim 6, wherein the number of the bearing channel steel is two, and one end of the two bearing channel steel at the same side is connected through a third connecting rod.