CN112744694A - Main transformer insulation sleeve hoisting clamp with adjustable angle - Google Patents
Main transformer insulation sleeve hoisting clamp with adjustable angle Download PDFInfo
- Publication number
- CN112744694A CN112744694A CN202011579985.XA CN202011579985A CN112744694A CN 112744694 A CN112744694 A CN 112744694A CN 202011579985 A CN202011579985 A CN 202011579985A CN 112744694 A CN112744694 A CN 112744694A
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- Prior art keywords
- sleeve
- main transformer
- rotating
- adjusting
- hoisting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Braking Arrangements (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a hoisting clamp for a main transformer insulating sleeve with an adjustable angle, and aims to overcome the defects of inconvenience in hoisting of the main transformer insulating sleeve, high labor intensity and high construction cost. The device comprises two hoops which are connected together, wherein a fixed hanging bracket is rotatably connected on one hoop, an adjusting hanging bracket is rotatably connected on the other hoop, lifting hooks are respectively arranged on the fixed hanging bracket and the adjusting hanging bracket, a rotating shaft and a rotating sleeve are rotatably arranged on the adjusting lifting hook, a rotating disc is connected on the rotating shaft, the rotating shaft and the rotating sleeve are in transmission connection through a transmission assembly, an installation shaft is rotatably connected on the adjusting hanging bracket, the installation shaft is fixedly connected on the hoop, and the rotating sleeve can drive the installation shaft to rotate through transmission connection between the installation shaft and the rotating sleeve; the damping wheel is correspondingly arranged on the adjusting hanging frame and the rotary disc, and the rotary disc is attached to the damping wheel. The angle-adjustable main transformer insulation sleeve hoisting clamp greatly facilitates angle adjustment in the hoisting process of the main transformer insulation sleeve, and is beneficial to reducing labor intensity and construction cost.
Description
Technical Field
The invention relates to a hoisting tool, in particular to a hoisting clamp for a main transformer insulating sleeve with an adjustable angle.
Background
At present, in hoisting of 220kV and even higher-grade main transformer insulation sleeves, about 2 tons of insulation sleeves need to be installed at an altitude of 7-8 meters to form an included angle of 30-60 degrees with the horizontal plane, the precision is controlled within 2 millimeters, the working difficulty is high, and the labor cost, the vehicle cost and the time cost are high. The insulating sleeve of the transformer substation is mostly installed by manually pulling and adjusting the angle by using tools such as a lifting hook and a hoist, so that the labor intensity is high, the working efficiency is low, and the construction cost is high.
Disclosure of Invention
The invention overcomes the defects of inconvenient hoisting of the main transformer insulating sleeve, high labor intensity and high construction cost, and provides the angle-adjustable main transformer insulating sleeve hoisting clamp, which greatly facilitates the angle adjustment in the hoisting process of the main transformer insulating sleeve and is beneficial to reducing the labor intensity and the construction cost.
In order to solve the technical problems, the invention adopts the following technical scheme: a main transformer insulating sleeve hoisting clamp with an adjustable angle comprises two hoops which are connected together, wherein the hoops are of a C-shaped structure, openings of the two hoops are arranged oppositely, one hoop is rotatably connected with a fixed hanging bracket, the other hoop is rotatably connected with an adjusting hanging bracket, hanging hooks are respectively arranged on the fixed hanging bracket and the adjusting hanging bracket, a rotating shaft and a rotating sleeve are rotatably arranged on the adjusting hanging hooks, a rotating disc is connected on the rotating shaft, the rotating shaft is in transmission connection with the rotating sleeve through a transmission assembly, an installation shaft is rotatably connected on the adjusting hanging bracket and is fixedly connected to the hoops, and the rotating sleeve can drive the installation shaft to rotate through transmission connection between the installation shaft and the rotating sleeve; the damping wheel is correspondingly arranged on the adjusting hanging frame and the rotary disc, and the rotary disc is attached to the damping wheel.
When the main transformer insulation sleeve is hoisted, the two anchor ears are sleeved on the main transformer insulation sleeve, the anchor ears tightly hold the main transformer insulation sleeve, then the fixed hoisting connection and the adjusting hanging bracket are hoisted by a crane, the two lifting hooks are respectively connected with the lifting ropes, the main transformer insulation sleeve is hoisted to a certain height position, and then the rotary table is rotated to adjust the inclination angle of the main transformer insulation sleeve. During angular adjustment, pivot and carousel rotate together to driving through drive assembly and changeing the cover and rotate, changeing the cover and be connected the installation axle again in the transmission, thereby realize the rotation of installation axle, and then the angle of the staple bolt of adjustment and installation axle connection just also can realize the adjustment to main insulating sleeve inclination, the convenient hoist and mount installation to main insulating sleeve that becomes. Because the insulating sleeve of the main transformer is hoisted, after the angle adjustment is in place, the mounting shaft cannot easily pull the rotating sleeve to rotate, and the damping shaft has the resistance of the transmission assembly and has the damping effect of the damping wheel on the rotating disc, so that reverse check can be realized. The angle-adjustable main transformer insulation sleeve hoisting clamp greatly facilitates angle adjustment in the hoisting process of the main transformer insulation sleeve, and is beneficial to reducing labor intensity and construction cost.
Preferably, a friction plate is arranged between the damping wheel and the rotary table, the damping wheel is rotatably arranged on the adjusting hanger, a circle of ratchets are arranged on the outer wall of the damping wheel, a pawl is arranged on the adjusting hanger, and the pawl is inserted between two adjacent ratchets.
The friction plate is beneficial to improving the friction force between the rotary table and the damping wheel, thereby increasing the non-return effect. The pawl is clamped between two adjacent ratchets, and the rotary disc drives the damping wheel to rotate together when rotating forwards, so that the rotary disc is more labor-saving to rotate; when the rotary table rotates reversely, the damping wheel is clamped by the pawl, and the damping wheel plays a good damping role on the rotary table.
Preferably, the transmission assembly comprises a driving pinion arranged on the rotating shaft, two driven large gears rotatably arranged on the adjusting hanger and a transmission large gear arranged on the rotating sleeve, the driving pinion is meshed and transmitted between the two driven large gears, transition pinions are arranged on the driven large gears, and the transmission large gears are meshed and transmitted between the two transition pinions.
From the pivot to rotating between the cover by two sets of pinions drive gear wheel rotation to the many turns of rotation of carousel end are traded and are got the transmission power big to the installation axle, and because the angle of installation axle adjustment is not big moreover, thereby the rotation of the many turns of carousel improves the regulation precision.
Preferably, a driving chain wheel is arranged on the rotating sleeve, a driven chain wheel is arranged on the mounting shaft, and a chain is in transmission connection between the driving chain wheel and the driven chain wheel. The chain transmission is adopted, so that the transmission is reliable and the transmission force is large.
Preferably, the fixed hanger comprises a rotating seat, a supporting seat and two connecting plates, the rotating seat is fixedly connected between the lower ends of the two connecting plates, the supporting seat is connected between the upper ends of the two connecting plates, a lifting hook is mounted on the supporting seat, a bearing is mounted on the rotating seat, a connecting shaft is sleeved on an inner ring of the bearing, and the connecting shaft is fixedly connected to the hoop. The fixed hanger has simple structure and reliable hoisting.
Preferably, the adjusting hanger comprises a hoisting seat, a connecting sleeve and two fixing plates, the hoisting seat is connected between the upper ends of the two fixing plates, the connecting sleeve is connected between the lower ends of the two fixing plates, a lifting hook is mounted on the hoisting seat, supporting seats are arranged at the lower ends of the fixing plates, bearings are mounted on the supporting seats, and the bearings are sleeved on the mounting shafts. The adjustable hanging bracket has good structural strength and is stable and reliable to hoist.
Preferably, the inner wall of the hoop is lined with a protection plate. The protection plate plays a good protection role in the main transformer insulation sleeve, and the main transformer insulation sleeve is prevented from being damaged in the hoisting process.
Preferably, the turntable is connected with a driving wheel in a transmission manner, the adjusting hanger and the driving wheel are correspondingly provided with a brake assembly, the brake assembly comprises an inflator pump, an installation cylinder and a brake plate, a piston is installed in the inflator pump, a connecting rod is hinged between the piston and the driving wheel, a sliding column is installed in the installation cylinder, a connecting column is installed on the sliding column, the connecting column extends out of the installation cylinder and is connected with the brake plate, a pre-tightening spring is connected between the sliding column and the installation cylinder, an inflation cavity is arranged at the connecting position of the sliding column and the connecting column in the installation cylinder, an inflation tube is connected between the inflator pump and the inflation cavity, the inflation tube is communicated with an air inlet tube, a one-way inflation valve is installed in; the rotating sleeve is provided with a brake disc, the surface of the brake plate is provided with a brake pad, and the brake pad is attached to the brake disc.
The turntable drives the driving wheel to rotate in the rotating process, so that the piston reciprocates in the inflator pump to inflate the inflation cavity, the inflation speed is higher than the exhaust speed although the sliding column is provided with the exhaust pores, the pressure in the inflation cavity is increased, the sliding column is pushed to move towards the direction of the pre-tightening spring, the brake plate is separated from the brake disc, and the air pressure in the inflation cavity is increased until the exhaust speed and the inflation speed of the exhaust pores are balanced. When the angle is adjusted in place, the rotary table stops rotating, air flow in the inflation cavity is discharged through the exhaust pores under the action of the pre-tightening spring, and the brake plate is attached to the brake disc under the action of the pre-tightening spring, so that brake of the rotary sleeve is realized, and the brake check effect of the rotary sleeve is improved.
Compared with the prior art, the invention has the beneficial effects that: (1) the angle-adjustable main transformer insulating sleeve hoisting clamp greatly facilitates the angle adjustment in the main transformer insulating sleeve hoisting process, and is favorable for reducing the labor intensity and the construction cost; (2) after the angle is adjusted in place in the hoisting process of the main transformer insulating sleeve, reliable brake check can be realized, the angle is fixed, and the hoisting and installation are convenient.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a sectional view of an adjustment hanger of embodiment 1 of the present invention;
fig. 3 is a sectional view of an adjustment hanger of embodiment 2 of the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 3 of the present invention;
in the figure: 1. hoop, 2, protective plate, 3, bolt, 4, fixed hanger, 5, adjusting hanger, 6, lifting hook, 7, rotating shaft, 8, rotating sleeve, 9, rotating disc, 10, mounting shaft, 11, damping wheel, 12, friction plate, 13, ratchet, 14, pawl, 15, driving pinion, 16, driven bull gear, 17, driving bull gear, 18, transition pinion, 19, driving sprocket, 20, driven sprocket, 21, chain, 22, hook body, 23, anti-dropping rod, 24, clamping groove, 25, rotating seat, 26, supporting seat, 27, connecting plate, 28, hoisting seat, 29, connecting sleeve, 30, fixing plate, 31, supporting seat, 32, supporting plate, 33, mounting sleeve, 34, handle, 35, main transformer insulating sleeve, 36, driving wheel, 37, inflator pump, 38, mounting cylinder, 39, brake plate, 40, piston, 41, connecting rod, 42, supporting rod, 43, sliding column, 44, damping cylinder, The brake comprises a connecting column, 45, a pre-tightening spring, 46, an inflation cavity, 47, an inflation tube, 48, an air inlet tube, 49, an exhaust pore, 50, a brake disc, 51 and a brake pad.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: a main transformer insulating sleeve hoisting clamp with an adjustable angle (see attached figure 1 and attached figure 2) comprises two hoops 1 which are connected together, wherein the hoops are of a C-shaped structure, openings of the two hoops are oppositely arranged, flexible protection plates 2 are lined on the inner walls of the hoops, bolts 3 are connected between the end parts of the two hoops and are fixed through the bolts, a fixed hanging frame 4 is rotatably connected to one hoop, an adjusting hanging frame 5 is rotatably connected to the other hoop, hanging hooks 6 are respectively arranged on the fixed hanging frame and the adjusting hanging frame, a rotating shaft 7 and a rotating sleeve 8 are rotatably arranged on the adjusting hanging hooks, a rotating disc 9 is connected to the rotating shaft, the rotating shaft and the rotating sleeve are in transmission connection through a transmission assembly, an installation shaft 10 is rotatably connected to the adjusting hanging frame and is fixedly connected to the hoops, and the transmission connection between the installation shaft and the rotating sleeve; the damping wheel 11 is correspondingly arranged on the adjusting hanging frame and the rotary disc, and the rotary disc is attached to the damping wheel.
A friction plate 12 is arranged between the damping wheel and the rotary disc, the damping wheel is rotatably arranged on an adjusting hanger, a circle of ratchets 13 are arranged on the outer wall of the damping wheel, a pawl 14 is arranged on the adjusting hanger, and the pawl is inserted between two adjacent ratchets.
The transmission assembly comprises a driving pinion 15 arranged on the rotating shaft, two driven large gears 16 rotatably arranged on the adjusting hanging bracket and a transmission large gear 17 arranged on the rotating sleeve, the driving pinion is meshed and transmitted between the two driven large gears, transition pinions 18 are arranged on the driven large gears, and the transmission large gears are meshed and transmitted between the two transition pinions. The rotating sleeve is provided with a driving chain wheel 19, the mounting shaft is provided with a driven chain wheel 20, and a chain 21 is in transmission connection between the driving chain wheel and the driven chain wheel.
The upper end of the lifting hook is provided with a C-shaped hook body 22, one end of the hook body is hinged with an anti-falling rod 23, one end of the anti-falling rod and the hook body are connected with a torsion spring, and the other end of the anti-falling rod is abutted against the other end of the hook body. The end part of the anti-falling rod is provided with two chucks, a limit groove is formed between the two chucks, the two sides of one end of the hook body are both provided with clamping grooves 24, the chucks are abutted against the clamping grooves, and the edge of the hook body is limited in the limit groove. The C-shaped hook body is convenient to hoist, and the anti-falling rod prevents the lifting rope from being separated from the hook body.
Fixed gallows rotates seat fixed connection between two connecting plate lower extremes including rotating seat 25, supporting seat 26, two connecting plates 27, and supporting seat connection is between two connecting plate upper ends, installs the lifting hook on the supporting seat, rotates the seat and goes up the installation bearing, and bearing inner race suit connecting axle, connecting axle fixed connection are on the staple bolt.
The adjusting hanger comprises a hoisting seat 28, a connecting sleeve 29 and two fixing plates 30, the hoisting seat is connected between the upper ends of the two fixing plates, the connecting sleeve is connected between the lower ends of the two fixing plates, a lifting hook is installed on the hoisting seat, the lower ends of the fixing plates are both provided with a support 31, a bearing is installed on the support, and the bearing is sleeved on the installation shaft. The outer wall of one fixing plate is provided with a supporting plate 32, the end part of the rotating shaft is rotatably arranged on the supporting plate, the rotating sleeve is rotatably arranged between the two fixing plates, the rotating sleeve is sleeved outside the rotating shaft, and the driven gearwheel is rotatably arranged between the fixing plates and the supporting plate. The outer wall of the other fixing plate is provided with an installation sleeve 33, and the damping wheel is rotatably installed on the installation sleeve. The turntable is of a disc-shaped structure, and a handle 34 is arranged at the edge of the turntable.
When the main transformer insulation sleeve is hoisted, the two anchor ears are sleeved on the main transformer insulation sleeve 35, the anchor ears tightly hold the main transformer insulation sleeve, then the fixed hoisting connection and the adjusting hanging bracket are hoisted by a crane, the two lifting hooks are respectively connected with the lifting ropes, the main transformer insulation sleeve is hoisted to a certain height position, and then the rotary table is rotated to adjust the inclination angle of the main transformer insulation sleeve. During angular adjustment, pivot and carousel rotate together to driving through drive assembly and changeing the cover and rotate, changeing the cover and be connected the installation axle again in the transmission, thereby realize the rotation of installation axle, and then the angle of the staple bolt of adjustment and installation axle connection just also can realize the adjustment to main insulating sleeve inclination, the convenient hoist and mount installation to main insulating sleeve that becomes. Because the insulating sleeve of the main transformer is hoisted, after the angle adjustment is in place, the mounting shaft cannot easily pull the rotating sleeve to rotate, and the damping shaft has the resistance of the transmission assembly and has the damping effect of the damping wheel on the rotating disc, so that reverse check can be realized. The angle-adjustable main transformer insulation sleeve hoisting clamp greatly facilitates angle adjustment in the hoisting process of the main transformer insulation sleeve, and is beneficial to reducing labor intensity and construction cost. When the hoisting clamp is used for working, the hoisting time of the main transformer insulating sleeve is reduced from the original 20 hours to 6 hours, and the hoisting clamp is strong in stability and high in safety factor.
Example 2: the main transformer insulating sleeve hoisting clamp with the adjustable angle (see attached figures 3 and 4) is similar to that in embodiment 1 in structure, and mainly differs in that a turntable in the embodiment is in transmission connection with a driving wheel 36, meshing teeth are arranged on the outer edge of the turntable, the driving wheel is a gear, and the driving wheel is in meshing transmission with the meshing teeth. The driving wheel is rotatably arranged on the adjusting hanging bracket, a brake assembly is correspondingly arranged on the adjusting hanging bracket and the driving wheel, the brake assembly comprises an inflator pump 37, an installation cylinder 38 and a brake plate 39, a piston 40 is arranged in the inflator pump, and a connecting rod 41 is hinged between the piston and the driving wheel. The driving wheel is provided with a support rod 42, and the connecting rod is hinged with the support rod. A sliding column 43 is arranged in the mounting cylinder, a connecting column 44 is arranged on the sliding column, the sliding column and the connecting column are connected together to form a T-shaped structure, and the outer wall of the sliding column and the outer wall of the connecting column are in sealing fit with the inner wall of the mounting cylinder. The connecting column extends out of the mounting cylinder and is connected with the brake plate, a pre-tightening spring 45 is connected between the sliding column and the mounting cylinder, an inflation cavity 46 is arranged at the connecting position of the sliding column and the connecting column in the mounting cylinder, an inflation tube 47 is connected between the inflation tube and the inflation cavity, an air inlet tube 48 is communicated with the inflation tube, a one-way inflation valve is arranged in the inflation tube, a one-way air inlet valve is arranged in the air inlet tube, and an exhaust pore 49 is arranged on the sliding column; the rotating sleeve is provided with a brake disc 50, the surface of the brake plate is provided with a brake block 51, and the brake block is attached to the brake disc. The other structure is the same as embodiment 1.
The turntable drives the driving wheel to rotate in the rotating process, so that the piston reciprocates in the inflator pump to inflate the inflation cavity, the inflation speed is higher than the exhaust speed although the sliding column is provided with the exhaust pores, the pressure in the inflation cavity is increased, the sliding column is pushed to move towards the direction of the pre-tightening spring, the brake plate is separated from the brake disc, and the air pressure in the inflation cavity is increased until the exhaust speed and the inflation speed of the exhaust pores are balanced. When the angle is adjusted in place, the rotary table stops rotating, air flow in the inflation cavity is discharged through the exhaust pores under the action of the pre-tightening spring, and the brake plate is attached to the brake disc under the action of the pre-tightening spring, so that brake of the rotary sleeve is realized, and the brake check effect of the rotary sleeve is improved.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (8)
1. A main transformer insulating sleeve hoisting clamp with an adjustable angle is characterized by comprising two hoops which are connected together, wherein the hoops are of a C-shaped structure, openings of the two hoops are oppositely arranged, one hoop is rotatably connected with a fixed hanging bracket, the other hoop is rotatably connected with an adjusting hanging bracket, hanging hooks are respectively arranged on the fixed hanging bracket and the adjusting hanging bracket, a rotating shaft and a rotating sleeve are rotatably arranged on the adjusting hanging hook, a rotating disc is connected on the rotating shaft, the rotating shaft is in transmission connection with the rotating sleeve through a transmission assembly, an installation shaft is rotatably connected on the adjusting hanging bracket and is fixedly connected to the hoops, and the rotating sleeve can drive the installation shaft to rotate through transmission connection between the installation shaft and the rotating sleeve; the damping wheel is correspondingly arranged on the adjusting hanging frame and the rotary disc, and the rotary disc is attached to the damping wheel.
2. The adjustable main transformer insulating sleeve hoisting clamp as claimed in claim 1, wherein a friction plate is installed between the damping wheel and the rotary table, the damping wheel is rotatably installed on the adjusting hanger, a circle of ratchet teeth is arranged on the outer wall of the damping wheel, a pawl is installed on the adjusting hanger, and the pawl is inserted between two adjacent ratchet teeth.
3. The adjustable angle hoisting clamp for the insulation sleeve of the main transformer as claimed in claim 1, wherein the transmission assembly comprises a driving pinion gear disposed on the rotating shaft, two driven bull gears rotatably mounted on the adjusting hanger, and a transmission bull gear disposed on the rotating sleeve, the driving pinion gear is engaged with and driven between the two driven bull gears, the driven bull gear is provided with a transition pinion gear, and the transmission bull gear is engaged with and driven between the two transition pinion gears.
4. The adjustable main transformer insulating sleeve hoisting clamp of claim 1, wherein the rotating sleeve is provided with a driving sprocket, the mounting shaft is provided with a driven sprocket, and a chain is in transmission connection between the driving sprocket and the driven sprocket.
5. The adjustable main transformer insulation sleeve hoisting clamp as claimed in claim 1, wherein the fixed hanger comprises a rotary seat, a supporting seat and two connecting plates, the rotary seat is fixedly connected between the lower ends of the two connecting plates, the supporting seat is connected between the upper ends of the two connecting plates, a hook is mounted on the supporting seat, a bearing is mounted on the rotary seat, a connecting shaft is sleeved on an inner ring of the bearing, and the connecting shaft is fixedly connected to the hoop.
6. The main transformer insulating sleeve hoisting clamp with the adjustable angle as claimed in claim 1, wherein the adjusting hanger comprises a hoisting base, a connecting sleeve and two fixing plates, the hoisting base is connected between the upper ends of the two fixing plates, the connecting sleeve is connected between the lower ends of the two fixing plates, the hoisting base is provided with a lifting hook, the lower ends of the fixing plates are provided with supporting seats, the supporting seats are provided with bearings, and the bearings are sleeved on the mounting shafts.
7. The angle-adjustable main transformer insulation sleeve hoisting clamp as claimed in any one of claims 1 to 6, wherein the inner wall of the hoop is lined with a protection plate.
8. The angle-adjustable main transformer insulating sleeve hoisting clamp as claimed in any one of claims 1 to 6, wherein a turntable is connected with a driving wheel, a brake assembly is mounted on the adjusting hanger and corresponds to the driving wheel, the brake assembly comprises an inflator, a mounting cylinder and a brake plate, a piston is mounted in the inflator, a connecting rod is hinged between the piston and the driving wheel, a slide post is mounted in the mounting cylinder, a connecting post is mounted on the slide post, the connecting post extends out of the mounting cylinder and is connected with the brake plate, a pre-tightening spring is connected between the slide post and the mounting cylinder, an inflation cavity is arranged at the connecting position of the slide post and the connecting post in the mounting cylinder, an inflation tube is connected between the inflator and the inflation cavity, an air inlet tube is communicated with the inflation tube, a one-way inflation valve is mounted in the inflation tube, a one-; the rotating sleeve is provided with a brake disc, the surface of the brake plate is provided with a brake pad, and the brake pad is attached to the brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579985.XA CN112744694B (en) | 2020-12-28 | 2020-12-28 | Main transformer insulation sleeve hoisting clamp with adjustable angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579985.XA CN112744694B (en) | 2020-12-28 | 2020-12-28 | Main transformer insulation sleeve hoisting clamp with adjustable angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112744694A true CN112744694A (en) | 2021-05-04 |
| CN112744694B CN112744694B (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011579985.XA Active CN112744694B (en) | 2020-12-28 | 2020-12-28 | Main transformer insulation sleeve hoisting clamp with adjustable angle |
Country Status (1)
| Country | Link |
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| CN (1) | CN112744694B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202897823U (en) * | 2012-10-07 | 2013-04-24 | 河南省电力公司南阳供电公司 | Special hanger for disassembly and assembly of main transformer sleeve |
| CN205985954U (en) * | 2016-08-01 | 2017-02-22 | 国网福建省电力有限公司 | Transformer substation's " V type " suspends strain insulator string hoisting support in midair |
| CN207108250U (en) * | 2017-05-22 | 2018-03-16 | 浙江江潮电机实业有限公司 | The free overturning and hoisting tool of locking formula is embraced outside wound stator |
| CN207844872U (en) * | 2018-02-12 | 2018-09-11 | 中车株洲电机有限公司 | Stator core turnover lifting appliance |
| CN108588806A (en) * | 2018-06-26 | 2018-09-28 | 广东保盈环保电镀设备有限公司 | A kind of new-type rotating electroplating hanging device |
| CN208648554U (en) * | 2019-02-18 | 2019-03-26 | 新誉轨道交通科技有限公司 | A kind of electric machine iron core lifting turn tool |
-
2020
- 2020-12-28 CN CN202011579985.XA patent/CN112744694B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202897823U (en) * | 2012-10-07 | 2013-04-24 | 河南省电力公司南阳供电公司 | Special hanger for disassembly and assembly of main transformer sleeve |
| CN205985954U (en) * | 2016-08-01 | 2017-02-22 | 国网福建省电力有限公司 | Transformer substation's " V type " suspends strain insulator string hoisting support in midair |
| CN207108250U (en) * | 2017-05-22 | 2018-03-16 | 浙江江潮电机实业有限公司 | The free overturning and hoisting tool of locking formula is embraced outside wound stator |
| CN207844872U (en) * | 2018-02-12 | 2018-09-11 | 中车株洲电机有限公司 | Stator core turnover lifting appliance |
| CN108588806A (en) * | 2018-06-26 | 2018-09-28 | 广东保盈环保电镀设备有限公司 | A kind of new-type rotating electroplating hanging device |
| CN208648554U (en) * | 2019-02-18 | 2019-03-26 | 新誉轨道交通科技有限公司 | A kind of electric machine iron core lifting turn tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112744694B (en) | 2023-02-10 |
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