CN109605282B - Movable gravity center type thyristor assembly overhauling operation vehicle and using method - Google Patents
Movable gravity center type thyristor assembly overhauling operation vehicle and using method Download PDFInfo
- Publication number
- CN109605282B CN109605282B CN201910032285.XA CN201910032285A CN109605282B CN 109605282 B CN109605282 B CN 109605282B CN 201910032285 A CN201910032285 A CN 201910032285A CN 109605282 B CN109605282 B CN 109605282B
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- assembly
- clamp
- outer frame
- movable
- thyristor assembly
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a movable gravity center type thyristor assembly overhauling operation vehicle and a use method thereof, the movable gravity center type thyristor assembly overhauling operation vehicle comprises a base, wherein one end of the top of the base is hinged with a chassis through a pin shaft, the other end of the chassis is supported on the base through a spring, linear sliding rails are arranged on the chassis in parallel, a plurality of sliding blocks are arranged on the linear sliding rails in a sliding fit manner, a clamp outer frame is arranged on the top support of each sliding block, and a linear driving mechanism for driving the clamp outer frame to slide along the linear sliding rails is arranged between the clamp outer frame and the chassis; and the clamp outer frame is provided with a clamp assembly for clamping the thyristor assembly to be disassembled. The operation vehicle can realize the functions of fixing and lifting the assembly when the connecting bolt is detached, and can also realize the function of moving the assembly out of the cabinet.
Description
Technical Field
The invention relates to a movable gravity center type thyristor assembly overhauling operation vehicle, and belongs to the field of thyristor overhauling devices.
Background
In maintenance work of a generator excitation system, disassembly and assembly of a thyristor assembly in a rectifier cabinet are important work. For small-sized thyristor assemblies, manual disassembly and handling may be relied upon. And for large thyristor assemblies, especially with heat pipe heat sinks, no human effort is sufficient. The general thyristor assembly is installed in the rectifier cabinet, and the hoisting equipment is inconvenient to use, at present, manual force is used or the simple tool such as a simple forklift and a crowbar is used for disassembling, because the dead weight of the simple forklift is too light, a reliable supporting point cannot be found in the rectifier cabinet, and forward overturning can occur when the simple forklift is slightly careless, the assembly and disassembly of the assembly are hard and dangerous by the conventional method, and therefore, stable and reliable professional equipment is needed to complete the work.
Disclosure of Invention
The invention aims to provide a movable gravity center type thyristor assembly overhauling operation vehicle and a using method thereof, wherein the operation vehicle can realize the functions of fixing and lifting an assembly when a connecting bolt is disassembled, and can realize the function of moving the assembly out of a cabinet.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: the utility model provides a but move focus formula thyristor assembly maintenance operation car, it includes the base, the top one end of base is articulated through the round pin axle has the chassis, the other end of chassis is supported on the base through the spring, the parallel installation has the linear slide rail on the chassis, the slip fit is installed a plurality of sliders on the linear slide rail, the top support of slider is installed the anchor clamps frame, install the linear drive mechanism who is used for driving it to follow the linear slide rail slip between anchor clamps frame and the chassis; and the clamp outer frame is provided with a clamp assembly for clamping the thyristor assembly to be disassembled.
The pin shaft is fixedly arranged on the base through a check ring.
The bottom of the spring is supported on the base through the spring inner shaft, a cam is installed at the top of the spring, and a cam handle is installed on the cam.
The chassis is welded with a truss, and a supporting pad is arranged on the end face of a top cross rod of the truss.
The linear driving mechanism comprises a movable screw, two ends of the movable screw are supported and installed on the outer frame of the clamp through bearing blocks, the movable screw is matched with a nut pair installed on the outer frame of the clamp to form screw transmission matching, and one end of the movable screw is provided with a movable hand wheel.
The fixture assembly comprises a balance beam, the balance beam is fixedly arranged between fixture outer frames, a bearing ring is supported and arranged on the balance beam, two ends of the bearing ring are hinged with one end of a pawl through a connecting rod, the middle part of the pawl is hinged on the fixture outer frames, a nut shaft is arranged at the middle part of the bearing ring, the nut shaft and the fixture screw form screw transmission fit, a rubber pad is arranged at the tail end of the pawl, and a clamping hand wheel is arranged at the tail end of the fixture screw.
The bottom of base installs directional truckle and the universal truckle of arranging in pairs, the protection hook is installed to the head of base.
The use method of the movable gravity center type thyristor assembly maintenance operation vehicle comprises the following steps:
step1: manually pushing the operation vehicle to move to the side of the rectifying cabinet where the thyristor assembly is required to be disassembled;
step2: operating a protection hook and fixedly connecting the protection hook with a cabinet body of the rectifying cabinet, and simultaneously enabling a supporting pad at the top of the truss to be in contact with the outer wall of the rectifying cabinet for positioning;
step3: the movable hand wheel is rotated, the movable screw rod is driven by the movable hand wheel, and then the movable screw rod is matched with a nut pair on the clamp outer frame, so that the whole clamp outer frame is driven to move along the linear slide rail and penetrate into the rectifying cabinet, and the clamp assembly is positioned on the side face of the thyristor assembly;
step4: the clamping hand wheel is rotated, the clamp screw is driven to rotate by the clamping hand wheel, the nut shaft is driven by the clamp screw, the connecting rod is driven by the nut shaft, the pawl is driven by the connecting rod to rotate around the pin shaft, and the end of the pawl is clamped with the thyristor component to be disassembled;
step5: removing the bolts of the thyristor assembly to separate the thyristor assembly from the cabinet body of the rectifying cabinet;
step6: after the thyristor assembly is disassembled, pushing the whole maintenance operation vehicle to move and maintaining the whole maintenance operation vehicle.
The invention has the following beneficial effects:
1. the operation vehicle adopts the stable top beam of the rectifying cabinet as the supporting point, and solves the problem that no reliable supporting point exists in the prior art. When the thyristor assembly is disassembled, the operation vehicle is moved to the rectifying cabinet, the supporting pad at the top of the truss of the operation vehicle props against the top cross beam of the rectifying cabinet, and meanwhile, the bottom protection hook is used for hooking the rectifying cabinet body, so that the operation vehicle and the rectifying cabinet are connected into a whole, and the operation vehicle is firmly and reliably supported.
2. The working vehicle adopts a floating vehicle body, after the working vehicle is fixed in front of the rectifying cabinet, the cam handle is pressed down to compress the spring, the clamping hand wheel is rotated to clamp the silicon controlled rectifier assembly by the clamp, then the cam handle is released to release the spring, at this time, the top truss can generate a positive pressure to the cabinet beam, and the positive pressure and the gravity of the thyristor assembly in the cabinet can form moment balance. The clamp applies an upward lifting force to the thyristor assembly under the combined action of the floating car body and the truss, so that the assembly cannot fall down when the connecting bolt is removed, and the fixing and lifting functions of the assembly in the rectifier cabinet are completed by the working car.
3. The operation vehicle is provided with a special clamp for the thyristor assembly, the clamp can extend into the rectifying cabinet to grasp the thyristor assembly, the thyristor assembly is lifted when the connecting bolt is disassembled, and the thyristor assembly can be moved out of the cabinet body through the gravity center moving mechanism.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a front view of the present invention.
Fig. 2 is a view A-A of fig. 1 in accordance with the present invention.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1-2, a movable gravity center type thyristor assembly overhauling operation vehicle comprises a base 11, wherein one end of the top of the base 11 is hinged with a chassis 28 through a pin shaft 13, the other end of the chassis 28 is supported on the base 11 through a spring 9, linear slide rails 23 are parallelly arranged on the chassis 28, a plurality of slide blocks 25 are slidably matched and arranged on the linear slide rails 23, a clamp outer frame 16 is arranged on the top support of the slide blocks 25, and a linear driving mechanism for driving the clamp outer frame 16 to slide along the linear slide rails 23 is arranged between the clamp outer frame 16 and the chassis 28; the clamp frame 16 is provided with a clamp assembly for clamping the thyristor assembly 4 to be disassembled. The overhaul operation vehicle with the structure can be used for disassembling the thyristor assembly, so that the reliability and the safety of disassembly are guaranteed.
Further, the pin shaft 13 is fixedly installed on the base 11 through a retainer ring 14. The normal rotation of the chassis 28 is ensured by the pin shaft 13.
Further, the bottom of the spring 9 is supported on a base 11 through a spring inner shaft 8, a cam 5 is mounted on the top of the spring 9, and a cam handle 10 is mounted on the cam 5. Through the cam 5, the cam handle 10 is pressed and released in the adjusting process, under the combined action of the truss and the chassis spring, the operation vehicle is reliably supported at the top, and when the connecting bolt is detached, an upward lifting force is applied to the thyristor assembly, so that the connecting bolt is convenient to detach.
Further, the truss 21 is welded on the chassis 28, and a support pad 1 is arranged on the end face of a top cross bar of the truss 21. The entire device can be conveniently moved by the truss 21.
Further, the linear driving mechanism comprises a movable screw 22, two ends of the movable screw 22 are supported and mounted on the clamp outer frame 16 through bearing blocks 27, the movable screw 22 is matched with a nut pair mounted on the clamp outer frame 16 to form screw transmission matching, and one end of the movable screw 22 is provided with a movable hand wheel 15. Through the above-mentioned straight line actuating mechanism, during the course of the work, can drive through the removal hand wheel 15 and remove lead screw 22, and then drive the nut pair through removing lead screw 22, again by the vice drive anchor clamps frame 16 of nut, and then realize the removal of anchor clamps frame 16 on linear slide rail 23.
Further, the fixture assembly comprises a balance beam 24, the balance beam 24 is fixedly arranged between the fixture outer frames 16, a bearing ring 26 is supported and arranged on the balance beam 24, two ends of the bearing ring 26 are hinged with one end of a pawl 2 through connecting rods, the middle part of the pawl 2 is hinged on the fixture outer frames 16, a nut shaft 19 is arranged at the middle part of the bearing ring 26, the nut shaft 19 and a fixture screw 20 form screw transmission fit, a rubber pad 3 is arranged at the tail end of the pawl 2, and a clamping hand wheel 18 is arranged at the tail end of the fixture screw 20. Through foretell anchor clamps subassembly, can press from both sides tight thyristor subassembly 4, in the course of the work, can drive anchor clamps lead screw 20 through pressing from both sides tight hand wheel 18 and then by the cooperation between anchor clamps lead screw 20 and the nut axle 19, and then drive the connecting rod, drive pawl 2 by the connecting rod again, and then press from both sides tight thyristor subassembly 4 through pawl 2.
Further, the bottom of the base 11 is provided with a directional caster 7 and a universal caster 12 arranged in pairs, and the head of the base 11 is provided with a protection hook 6. The protection hook 6 with the structure can be connected with the cabinet body into a whole in the disassembling process. The movement of the whole device is facilitated by the above-described directional casters 7 and casters 12.
Example 2:
the use method of the movable gravity center type thyristor assembly maintenance operation vehicle comprises the following steps:
step1: manually pushing the operation vehicle to move to the side of the rectifying cabinet where the thyristor assembly is required to be disassembled;
step2: the protection hook 6 is operated and fixedly connected with the cabinet body of the rectifying cabinet, and meanwhile, the supporting pad 1 at the top of the truss 21 is positioned in contact with the outer wall of the rectifying cabinet;
step3: the movable hand wheel 15 is rotated, the movable screw rod 22 is driven by the movable hand wheel 15, and then the movable screw rod 22 is matched with a nut pair on the clamp outer frame 16, so that the whole clamp outer frame 16 is driven to move along the linear slide rail 23 and penetrate into the rectifying cabinet, and the clamp assembly is positioned on the side face of the thyristor assembly;
step4: the clamping hand wheel 18 is rotated, the clamp screw rod 20 is driven to rotate through the clamping hand wheel 18, the nut shaft 19 is driven by the clamp screw rod 20, the connecting rod is driven by the nut shaft 19, the pawl 2 is driven by the connecting rod to rotate around the pin shaft, and the end of the pawl 2 is clamped with the thyristor assembly 4 to be disassembled;
step5: removing the bolts of the thyristor assembly 4 to separate the thyristor assembly from the cabinet body of the rectifying cabinet;
step6: after the thyristor assembly 4 is disassembled, the whole maintenance operation vehicle is pushed to move, and maintenance is carried out on the maintenance operation vehicle.
The above-described embodiments are intended to illustrate the present invention, not to limit it, and any modifications and variations made thereto are within the spirit of the invention and the scope of the appended claims.
Claims (3)
1. The utility model provides a but move focus formula thyristor assembly maintenance operation car which characterized in that: the device comprises a base (11), wherein one end of the top of the base (11) is hinged with a chassis (28) through a pin shaft (13), the other end of the chassis (28) is supported on the base (11) through a spring (9), linear slide rails (23) are parallelly arranged on the chassis (28), a plurality of sliding blocks (25) are arranged on the linear slide rails (23) in a sliding fit manner, a clamp outer frame (16) is arranged on the top support of the sliding blocks (25), and a linear driving mechanism for driving the clamp outer frame (16) to slide along the linear slide rails (23) is arranged between the clamp outer frame (16) and the chassis (28); the clamp outer frame (16) is provided with a clamp assembly for clamping the thyristor assembly (4) to be disassembled;
the bottom of the spring (9) is supported on the base (11) through the inner spring shaft (8), the top of the spring (9) is provided with a cam (5), and the cam (5) is provided with a cam handle (10);
the chassis (28) is welded with a truss (21), and a supporting pad (1) is arranged on the end face of a top cross rod of the truss (21);
the linear driving mechanism comprises a movable screw (22), two ends of the movable screw (22) are supported and installed on the clamp outer frame (16) through bearing blocks (27), the movable screw (22) is matched with a nut pair installed on the clamp outer frame (16) to form screw transmission matching, and one end of the movable screw (22) is provided with a movable hand wheel (15);
the fixture assembly comprises a balance beam (24), the balance beam (24) is fixedly arranged between fixture outer frames (16), a bearing ring (26) is supported on the balance beam (24), two ends of the bearing ring (26) are hinged with one end of a pawl (2) through connecting rods, the middle part of the pawl (2) is hinged on the fixture outer frames (16), a nut shaft (19) is arranged in the middle part of the bearing ring (26), the nut shaft (19) and a fixture screw (20) form screw transmission fit, a rubber pad (3) is arranged at the tail end of the pawl (2), and a clamping hand wheel (18) is arranged at the tail end of the fixture screw (20);
the bottom of the base (11) is provided with a directional castor (7) and a universal castor (12) which are arranged in pairs, and the head of the base (11) is provided with a protection hook (6).
2. The movable center of gravity thyristor assembly service vehicle of claim 1, wherein: the pin shaft (13) is fixedly arranged on the base (11) through a check ring (14).
3. A method of using the movable center of gravity thyristor assembly service vehicle of any one of claims 1-2, comprising the steps of:
step1: manually pushing the operation vehicle to move to the side of the rectifying cabinet where the thyristor assembly is required to be disassembled;
step2: the protection hook (6) is operated and fixedly connected with the cabinet body of the rectifying cabinet, and meanwhile, the supporting pad (1) at the top of the truss (21) is contacted and positioned with the outer wall of the rectifying cabinet;
step3: the movable hand wheel (15) is rotated, the movable screw rod (22) is driven by the movable hand wheel (15), and then the movable screw rod (22) is matched with a nut pair on the clamp outer frame (16), so that the whole clamp outer frame (16) is driven to move along the linear sliding rail (23) and extend into the rectifying cabinet, and the clamp assembly is positioned on the side face of the thyristor assembly;
step4: the clamping hand wheel (18) is rotated, the clamp screw (20) is driven to rotate through the clamping hand wheel (18), the nut shaft (19) is driven by the clamp screw (20), the connecting rod is driven by the nut shaft (19), the pawl (2) is driven by the connecting rod to rotate around the pin shaft, and the end head of the pawl is clamped with the thyristor assembly (4) to be disassembled;
step5: removing the bolts of the thyristor assembly (4) to separate the thyristor assembly from the cabinet body of the rectifying cabinet;
step6: after the thyristor assembly (4) is disassembled, pushing the whole maintenance operation vehicle to move and maintaining the whole maintenance operation vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032285.XA CN109605282B (en) | 2019-01-14 | 2019-01-14 | Movable gravity center type thyristor assembly overhauling operation vehicle and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032285.XA CN109605282B (en) | 2019-01-14 | 2019-01-14 | Movable gravity center type thyristor assembly overhauling operation vehicle and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109605282A CN109605282A (en) | 2019-04-12 |
| CN109605282B true CN109605282B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910032285.XA Active CN109605282B (en) | 2019-01-14 | 2019-01-14 | Movable gravity center type thyristor assembly overhauling operation vehicle and using method |
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| EP0387460A1 (en) * | 1989-02-01 | 1990-09-19 | Antoine Beltra | Apparatus for mounting and dismounting valves and for grinding valve seats |
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| CN103630351A (en) * | 2013-12-10 | 2014-03-12 | 国家电网公司 | Disc spring crimping measuring tool for thyristor valve strings and IGBT (insulated gate bipolar transistor) valve strings |
| CN104227465A (en) * | 2014-09-11 | 2014-12-24 | 河南飞龙(芜湖)汽车零部件有限公司 | Regulation device used for moving type axis part drilling fixture |
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| CN206445821U (en) * | 2016-12-21 | 2017-08-29 | 江苏德罗智能科技有限公司 | A kind of mechanical gripper for breakable object |
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| KR20180074825A (en) * | 2016-12-23 | 2018-07-04 | 티아이씨(주) | Jig for assembly of small ball screw |
| CN108297632A (en) * | 2018-01-29 | 2018-07-20 | 西安航空学院 | A kind of auxiliary device for facilitating automobile tire to be detached from vehicle frame |
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| CN209466202U (en) * | 2019-01-14 | 2019-10-08 | 中国长江电力股份有限公司 | A kind of removable centre-of-gravity thyristor component upkeep operation vehicle |
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2019
- 2019-01-14 CN CN201910032285.XA patent/CN109605282B/en active Active
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|---|---|---|---|---|
| EP0387460A1 (en) * | 1989-02-01 | 1990-09-19 | Antoine Beltra | Apparatus for mounting and dismounting valves and for grinding valve seats |
| JP2005279809A (en) * | 2004-03-29 | 2005-10-13 | Sharp Corp | Drawing-out tool |
| CN103630351A (en) * | 2013-12-10 | 2014-03-12 | 国家电网公司 | Disc spring crimping measuring tool for thyristor valve strings and IGBT (insulated gate bipolar transistor) valve strings |
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| CN206445821U (en) * | 2016-12-21 | 2017-08-29 | 江苏德罗智能科技有限公司 | A kind of mechanical gripper for breakable object |
| KR20180074825A (en) * | 2016-12-23 | 2018-07-04 | 티아이씨(주) | Jig for assembly of small ball screw |
| CN108190493A (en) * | 2018-01-13 | 2018-06-22 | 张细望 | A kind of adjustable fixation of aluminium section bar processing grips transport system and method |
| CN108297632A (en) * | 2018-01-29 | 2018-07-20 | 西安航空学院 | A kind of auxiliary device for facilitating automobile tire to be detached from vehicle frame |
| CN108712091A (en) * | 2018-08-02 | 2018-10-26 | 中国长江电力股份有限公司 | Excitation system power cabinet rectifying bridge arm attaching/detaching apparatus |
| CN209466202U (en) * | 2019-01-14 | 2019-10-08 | 中国长江电力股份有限公司 | A kind of removable centre-of-gravity thyristor component upkeep operation vehicle |
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| CN109605282A (en) | 2019-04-12 |
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