CN209737491U - Generator set thrust block and mirror plate pin disassembling tool - Google Patents
Generator set thrust block and mirror plate pin disassembling tool Download PDFInfo
- Publication number
- CN209737491U CN209737491U CN201920572413.5U CN201920572413U CN209737491U CN 209737491 U CN209737491 U CN 209737491U CN 201920572413 U CN201920572413 U CN 201920572413U CN 209737491 U CN209737491 U CN 209737491U
- Authority
- CN
- China
- Prior art keywords
- double
- screw
- pin
- mirror plate
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses a tool for disassembling a thrust head and a pin of a mirror plate of a generator set, which is characterized by comprising a double-end screw and a supporting cylinder tripod matched with the double-end screw, wherein the supporting cylinder tripod is provided with a central guide hole for penetrating and installing the double-end screw, and the supporting cylinder tripod is also provided with a containing space with a downward opening; a force application nut rod is arranged on the double-thread screw rod positioned at the upper part of the support cylindrical tripod. The pin is pulled out by a vertical force applying mode according to the lever plus pitch micro-variable moving principle, so that the gravity center of an operator is always kept on the same straight line with the axis of the pin, the operator is prevented from falling down due to unstable gravity center, and the production safety is ensured; the structure is simple, the operation is convenient, only one person is needed for operation, and the time and labor are saved, and the efficiency is high; the whole operation process can not deform and damage the pin and objects around the pin, and the overhauling quality is ensured.
Description
Technical Field
The utility model relates to a hydroelectric generating set maintenance tool, especially a generating set thrust collar and mirror plate pin extracting tool.
Background
The pin is a common hardware for connecting and positioning two components, the connecting and fixing mode is more, the dismounting device disclosed is also eight doors in five times, generally designed according to the using place and the product characteristics, for example, the pin dismounting device disclosed in the patent publication No. CN105751149B is provided with a fixed seat and a support rod, one end of the fixed seat and one end of the support rod are correspondingly provided with a connecting rod, the front end part of the connecting rod is provided with a forward thread, the front end part of the other connecting rod is provided with a reverse thread, the two connecting rods are connected through a fastener, the fastener is provided with an arched bracket, two ends of the arched bracket are respectively provided with a nut, the support rod is provided with a positioning sleeve and a fixing nut, one side of the fixed sleeve is provided with a positioning screw hole, positioning grooves are arranged on the positioning rod at intervals, the positioning rod penetrates through the lower end of the fixed, the fixing seat below the ejector pin is provided with a dismounting hole, and the ejector pin is arranged in the clamp. Also known as patent publication No. CN108000106A, a pin remover, etc. However, none of the disclosed devices or apparatuses is well suited for efficient removal of pins between the thrust collar and the mirror plate of the generator. There is an insulating pad between thrust collar and the runner plate, when the unit was handled the axis at every turn, need take out insulating pad, need extract the pin of connecting thrust collar and runner plate before getting insulating pad, for the convenience pin takes out, set up the screw at this kind of pin along centre bore position in advance, and the common use means often utilizes the pin middle hole, puts into the hole with the crowbar, taps the crowbar, loosens the pin, then twists the screw rod in the pin hole, takes out the pin through the mode of pulling out the screw rod. The treatment mode obviously has a plurality of defects, for example, a person pulling pins stands on the thrust bearing seat, and the position is a thrust oil groove placement position, so that even if the unit is overhauled to drain oil, the vertical surface of the unit still slips, and the operator is easy to slip when exerting force on one side; if the pin is too tight and the pin cannot be pulled out by using the crowbar and the screw rod, the lifting ring needs to be pulled by using a bridge crane, the concentricity of the pulling direction and the pin is difficult to ensure under the condition of pulling the pin by using the bridge crane, the screw hole of the pin of the thrust head is easy to be seriously damaged, the operation is complicated, multiple persons are needed to cooperate, and the labor and the time are wasted; in addition, in the process of beating the crowbar, the central screw hole of the pin is easily damaged, so that the pin is deformed and damaged.
Disclosure of Invention
The utility model aims at solving the above problem, provide a set thrust block and runner plate pin extracting tool of alignment central line, simple step, labour saving and time saving, safe and reliable.
The above technical problem of the present invention can be solved by the following technical solutions: a tool for detaching a thrust head and a mirror plate pin of a generator set is characterized by comprising a double-end screw and a supporting cylinder tripod matched with the double-end screw, wherein the supporting cylinder tripod is provided with a central guide hole for penetrating the double-end screw, and the supporting cylinder tripod is also provided with an accommodating space with a downward opening; a force application nut rod is arranged on the double-thread screw rod positioned at the upper part of the support cylindrical tripod.
In the aforementioned tool for detaching a thrust head and a pin of a mirror plate of a generator set, preferably, a nut section of the double-headed screw, which is matched with the stressing nut rod, is a T-shaped screw.
In the aforementioned tool for detaching pins of a thrust block and a mirror plate of a generator set, preferably, the stressing nut rod includes two stressing rods located on the same straight line, and a T-shaped nut is disposed in the middle of the stressing rod.
In the aforementioned tool for detaching the thrust head and the pin of the mirror plate of the generator set, preferably, the bottom of the T-shaped nut of the forcing nut rod is provided with a pressure-bearing plane rotary wheel.
In the aforementioned tool for detaching pins of a thrust block and a mirror plate of a generator set, preferably, the top end of the double-headed screw is provided with two flat bodies, and the flat bodies are two perpendicular surfaces which are parallel to each other and arranged parallel to the center line.
In the aforementioned tool for detaching pins of a generator set thrust collar and a mirror plate, preferably, the length of the T-shaped screw is greater than the height of the supporting cylinder tripod accommodating space, and the height of the supporting cylinder tripod accommodating space is greater than the length of the detached pin.
In the aforementioned tool for detaching pins of thrust block and mirror plate of generator set, preferably, the pressure-bearing plane rotary wheel is a plane bearing.
In the aforementioned power generator set thrust collar and mirror plate pin dismounting tool, preferably, one end of the double-threaded screw is a common thread, and the common thread is matched with a thread arranged in the pin in the axial direction.
In the aforementioned tool for detaching pins of the thrust block and the mirror plate of the generator set, preferably, the bottom surface of the supporting tripod is provided with a non-slip pad.
This scheme is to the characteristics of pin between thrust block and the runner plate, and this pin not only is equipped with the screw along the central line tip in advance promptly, and its outside still is equipped with insulating cover moreover, if directly exert the pulling force along the axis direction, because insulating cover with by the long-time interference fit between the connector, lead to the pin and "melt" as an organic whole by the connector, when actual operation, all need avoid this kind to directly pull out the mode. The scheme is that a double-end screw is arranged, one end of the double-end screw is matched with an axial screw hole of a pin and serves as a connecting part of the screw and the pin, the other end of the double-end screw rotationally controls the screw through a stress application nut rod, a movable supporting cylinder tripod is arranged between the pin and the stress application nut rod, the stress application nut rod penetrates through a guide hole in the center of the supporting cylinder tripod, and the pin can be completely accommodated in an accommodating space with a downward opening of the supporting cylinder tripod from the outer diameter to the height; due to the arrangement of the stress application nut rod, the stress application rod can be lengthened again according to the actual tightness, and the lever principle is utilized to obtain the labor-saving effect; when the pin is pulled out, the force generated on the pin is a rotating force, and the micro-rotation enables the elastic insulating sleeve and the hole wall of the inner hole of the connected body to slide slightly, so that the pin is loosened; this slight sliding movement of the rotating outward movement is then maintained, and all parts are not damaged while the pin is completely removed.
Furthermore, a nut section matched with the stress application nut rod in the double-head screw is a T-shaped screw so as to obtain larger bearing capacity and instantaneous pull-out stroke amount. Moreover, according to the technical scheme, the bottom of the T-shaped nut in the middle of the stress application rod is provided with the pressure-bearing plane rotary wheel which has the bearing capacity of being pressed up and down and provides the horizontal (actually vertical to the double-head screw) rotation mode for the stress application nut rod, so that the stress application nut rod is prevented from generating surface-surface abrasion with the supporting surface of the supporting cylinder tripod in the rotation process.
In addition, according to the scheme, the practical operation condition on the site is analyzed, the pin pulling operation can be carried out only by screwing one end of the double-head screw into the pin screw hole, the supporting cylinder tripod has the diameter of a cylinder body larger than the pin mounting hole, the sight of an operator is influenced on the site, and therefore the flat body is arranged at the top end of the double-head screw, the installation of the double-head screw is facilitated, and then the supporting cylinder tripod is sleeved.
Of course, the length of the T-shaped screw must be greater than the height of the supporting cylinder tripod accommodating space, and the height of the supporting cylinder tripod accommodating space must also be greater than the length of the disassembled pin, so as to meet the requirement of normal stroke in the pin pulling-out process.
Compared with the prior art, the beneficial effects of the utility model are that: the pin is pulled out by a vertical force applying mode according to the lever plus pitch micro-variable moving principle, so that the gravity center of an operator is always kept on the same straight line with the axis of the pin, the operator is prevented from falling down due to unstable gravity center, and the production safety is ensured; the structure is simple, the operation is convenient, only one person is needed for operation, and the time and labor are saved, and the efficiency is high; the whole operation process can not deform and damage the pin and objects around the pin, and the overhauling quality is ensured.
Drawings
Fig. 1 is a schematic structural view of a pin pulling-out state of the present invention.
Fig. 2 is a structural diagram of the nail pulling process of the present invention.
Fig. 3 is a schematic view of the double-threaded screw structure of the present invention.
Fig. 4 is a schematic structural view of a stress application nut rod of the present invention.
Fig. 5 is a schematic view of a supporting vessel of the present invention.
In the figure: 1. the device comprises a double-head screw, 101 common threads, 102T-shaped screws, 103 guide thread bodies, 104 flat force bodies, 2 supporting legs, 3 stress application nut rods, 301 stress application rods, 302T-shaped nuts, 303 pressure bearing plane rotary wheels and 4 pins.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the tool for detaching pins of thrust block and mirror plate of a power generating set in this embodiment is composed of a double-threaded screw 1, a supporting cylindrical tripod 2 and a stressing nut rod 3.
One end of the double-thread screw 1 is provided with a common thread 101, as shown in fig. 3, the common thread 101 is matched with the thread arranged in the axial direction of the pin 4, and the end part of the common thread 101 is provided with a conical guide thread body 103; the double-end screw 1 is mainly a T-shaped screw 102, wherein the T-shaped screw 102 is matched with the stress application nut rod 3, a flat body 104 is arranged at the end part of the T-shaped screw 102, and the flat body 104 consists of two vertical surfaces which are parallel to each other and are arranged in parallel with the central line.
Referring to fig. 4, the stressing nut rod 3 comprises two stressing rods 301 located on the same straight line, a T-shaped nut 302 is fixed in the middle of the stressing rod 301, the T-shaped nut 302 is matched with the T-shaped screw 102, a pressure-bearing plane rotary wheel 303 is arranged at the bottom of the T-shaped nut 302, and the pressure-bearing plane rotary wheel 303 is a plane bearing.
The supporting tripod 2 is of a cylindrical structure, as shown in fig. 5, a sealing cover is arranged at the top, a central guide hole 201 with a diameter larger than the outer diameter of a T-shaped screw 102 in the double-threaded screw 1 is arranged in the middle of the sealing cover and is used for penetrating the double-threaded screw 1, the supporting tripod 2 is provided with an accommodating space with a downward opening, wherein the length of the T-shaped screw 102 is equal to the sum of the height of the accommodating space of the supporting tripod 2, the length of a common thread 101, the height of a stress application nut rod 3 and 30mm, and the height of the accommodating space of the supporting tripod 2 is larger than the length of a disassembled pin 4. An annular non-slip mat 202 is arranged on the bottom surface of the supporting cylindrical tripod 2.
When the device is used, the end of a common thread 101 of the double-end screw 1 is screwed into a screw hole of the disassembled pin 4 by hands or a spanner, then the supporting cylinder tripod 2 is sleeved on the double-end screw 1, the stress application nut rod 3 is quickly screwed in from the top end of the double-end screw 1 until the pressure bearing plane spinning wheel 303 is contacted with the top surface of the supporting cylinder tripod 2, then an extension rod is added on the stress application rod 301 according to the tightness condition of the pin 4, if the pin is pulled out by a hollow pipe and the like with an inner hole matched with the stress application rod 301, the stress application nut rod 3 rotates slightly, and after the whole pin 4 is completely loosened, the speed can be properly increased to finish the pin pulling process.
The above embodiments are descriptions of the present invention, not limitations of the present invention, and any structure after simple transformation is all included in the protection scope of the present invention.
Claims (9)
1. A tool for detaching a thrust head and a mirror plate pin of a generator set is characterized by comprising a double-end screw (1) and a supporting cylinder tripod (2) matched with the double-end screw, wherein the supporting cylinder tripod is provided with a central guide hole (201) for penetrating and installing the double-end screw, and the supporting cylinder tripod is also provided with an accommodating space with a downward opening; a stress application nut rod (3) is arranged on the double-thread screw rod positioned at the upper part of the support cylindrical tripod.
2. The genset thrust collar and mirror plate pin removal tool of claim 1, wherein the nut section of the double-ended screw (1) that mates with the thrust nut stem (3) is a T-screw (102).
3. The genset thrust collar and mirror plate pin removal tool of claim 1 or 2, wherein the stressing nut bar (3) comprises two stressing rods (301) in a same line, and a T-nut (302) is disposed in the middle of the stressing rods.
4. The tool for detaching pins of a thrust block and a mirror plate of a generator set as claimed in claim 3, wherein a pressure bearing plane rotary wheel (303) is provided at the bottom of the T-shaped nut (302) of the forcing nut rod (3).
5. The genset thrust collar and mirror plate pin removal tool of claim 1, wherein the top end of the double-ended screw (1) is provided with a flat potential body (104) that is two perpendicular surfaces arranged parallel to each other and parallel to the centerline.
6. The genset thrust collar and mirror plate pin removal tool of claim 2, wherein the length of the T-shaped screw (102) is greater than the height of the support pod (2) receiving space, and the height of the support pod (2) receiving space is greater than the length of the removed pin (4).
7. The genset thrust collar and mirror plate pin removal tool of claim 4, wherein the pressure bearing flat wheel (303) is a flat bearing.
8. The genset thrust collar and mirror plate pin removal tool of claim 1 or 2, wherein one end of the double-start screw (1) is a plain thread (101) that mates with a thread provided in the axial direction of the pin (4).
9. The genset thrust collar and mirror plate pin removal tool of claim 1 or 2 or 5 or 6 wherein the support pod (2) has a skid pad (202) on its bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572413.5U CN209737491U (en) | 2019-04-24 | 2019-04-24 | Generator set thrust block and mirror plate pin disassembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572413.5U CN209737491U (en) | 2019-04-24 | 2019-04-24 | Generator set thrust block and mirror plate pin disassembling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209737491U true CN209737491U (en) | 2019-12-06 |
Family
ID=68721827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920572413.5U Active CN209737491U (en) | 2019-04-24 | 2019-04-24 | Generator set thrust block and mirror plate pin disassembling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209737491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618784A (en) * | 2020-04-21 | 2020-09-04 | 贵州乌江清水河水电开发有限公司 | Rotary pin pulling device |
| CN114194945A (en) * | 2021-11-23 | 2022-03-18 | 武汉宝钢华中贸易有限公司 | Winding drum device convenient to maintain and maintenance tool and maintenance method thereof |
-
2019
- 2019-04-24 CN CN201920572413.5U patent/CN209737491U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618784A (en) * | 2020-04-21 | 2020-09-04 | 贵州乌江清水河水电开发有限公司 | Rotary pin pulling device |
| CN114194945A (en) * | 2021-11-23 | 2022-03-18 | 武汉宝钢华中贸易有限公司 | Winding drum device convenient to maintain and maintenance tool and maintenance method thereof |
| CN114194945B (en) * | 2021-11-23 | 2024-04-19 | 武汉宝钢华中贸易有限公司 | Using method of maintenance tool of winding drum device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209737491U (en) | Generator set thrust block and mirror plate pin disassembling tool | |
| CN202062341U (en) | Tapered bearing outer ring taking device | |
| CN109968275A (en) | A kind of live dismounting process of upper-part in-reactor component control rod guide tubes and bundles | |
| CN102182409A (en) | Continuous tube guiding device | |
| CN219726100U (en) | Safe and stable pull Ma Gongju | |
| CN202418130U (en) | Rapid connecting structure for rod member and base | |
| CN202073514U (en) | Continuous pipe guide-in device | |
| CN204019455U (en) | A kind of pin removal | |
| CN213574226U (en) | Water pressure measuring device suitable for aged water in coal mine | |
| CN210968677U (en) | Device for replacing main shaft of pulley block of large-tonnage metallurgical bridge crane | |
| CN204640134U (en) | A kind of jaws locking cylinder cylinder sleeve draw-off gear | |
| CN208713859U (en) | A kind of end cap dismounting device | |
| CN202985494U (en) | Bearing detaching device | |
| CN203887480U (en) | Mounting device for runner blade of axial-flow kaplan turbine | |
| CN220516708U (en) | Motor bearing dismounting device | |
| CN213139096U (en) | Heavy overhead device operating platform for mooring leg dismantling | |
| CN220145842U (en) | Valve core taking-out device of flow automatic control instrument of flowmeter and water meter core taking-out device | |
| CN217316805U (en) | Dismounting device for roll gap adjusting mechanism of rolling mill | |
| RU99533U1 (en) | DEVICE FOR SCREWING AND UNLOADING PUMP BARS | |
| CN219823428U (en) | Wellhead valve hoisting auxiliary device | |
| CN215942793U (en) | Staircase host computer fastening tool | |
| CN103934794A (en) | Pin puller | |
| CN220816187U (en) | Built-in expansion bolt of outer hexagonal extension tube | |
| CN220828247U (en) | Safety baffle for pumping unit well | |
| CN214394034U (en) | Portable bearing code puller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200117 Address after: 100017 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: State Grid Xinyuan Hydropower Co., Ltd. Patentee after: State Grid Co., Ltd. Co-patentee after: Xinanjiang River hydraulic power plant of Guo Wangxinyuan water power company limited Address before: 100017 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: State Grid Xinyuan Co., Ltd. Patentee before: State Grid Co., Ltd. Co-patentee before: Xinanjiang River hydraulic power plant of Guo Wangxinyuan water power company limited |