CN113084752A - Auxiliary device is dismantled in installation of power station water intaking valve bolt - Google Patents
Auxiliary device is dismantled in installation of power station water intaking valve bolt Download PDFInfo
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- CN113084752A CN113084752A CN202110295358.1A CN202110295358A CN113084752A CN 113084752 A CN113084752 A CN 113084752A CN 202110295358 A CN202110295358 A CN 202110295358A CN 113084752 A CN113084752 A CN 113084752A
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- locking
- base
- bolt
- dismounting
- pushing
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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
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- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses an auxiliary device for mounting and dismounting a bolt of a water inlet valve of a power station, and aims to overcome the defects of inconvenient bolt mounting and dismounting and low working efficiency in the maintenance process of a main water inlet valve of a pumped storage power station. The bolt comprises a base correspondingly matched with the end part of a bolt, wherein a dismounting sleeve is arranged on the base, a threaded hole and a plurality of positioning holes are formed in the end surface of the bolt, and an inserting hole and a mounting hole are formed in the base; a plurality of arc-shaped locking pieces are uniformly distributed at the edge of an insertion hole on the base, locking teeth are arranged on the outer walls of the locking pieces, locking columns are arranged in the insertion hole, and the outer walls of the locking columns are in wedge-shaped fit with the inner walls of the locking pieces; a plurality of arc-shaped positioning pieces are uniformly distributed at the edge of an installation hole in the base, a pushing column is arranged in the installation hole, and the outer wall of the pushing column is in wedge fit with the inner wall of each positioning piece; install pushing mechanism on the base, pushing mechanism work promotes the locking post and promotes the post and remove with locking piece and spacer radial outside removal to make locking piece locking in the screw hole, spacer outer wall butt is on the locating hole inner wall.
Description
Technical Field
The invention relates to a tool, in particular to an auxiliary device for mounting and dismounting bolts of a water inlet valve of a power station.
Background
At present, the number of main water inlet valves of a large pumped storage power station is large, bolts of the main water inlet valves need to be disassembled and assembled in the daily maintenance process, and due to the fact that no special disassembling tool is arranged at present, when the bolts are disassembled, the nuts need to be loosened through a hydraulic stretcher and a spanner rod, then simple temporary tools are temporarily manufactured on site to disassemble the bolts, time and labor are consumed, and working efficiency is low.
Disclosure of Invention
The invention overcomes the defects of inconvenient bolt assembly and disassembly and low working efficiency in the maintenance process of the main water inlet valve of the pumped storage power station, and provides the auxiliary device for assembling and disassembling the bolt of the water inlet valve of the power station, which is convenient for the assembly and disassembly of the bolt in the maintenance process of the main water inlet valve of the pumped storage power station and is beneficial to improving the working efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme: a power station water inlet valve bolt mounting and dismounting auxiliary device comprises a base correspondingly matched with the end part of a bolt, wherein a dismounting sleeve is arranged on the base, a threaded hole and a plurality of positioning holes are formed in the end surface of the bolt, and a mounting hole corresponding to the threaded hole and a mounting hole corresponding to the positioning holes are formed in the base; a plurality of arc-shaped locking pieces are uniformly distributed at the edge of an insertion hole on the base, locking teeth are arranged on the outer walls of the locking pieces, locking columns are arranged in the insertion hole, and the outer walls of the locking columns are in wedge-shaped fit with the inner walls of the locking pieces; a plurality of arc-shaped positioning pieces are uniformly distributed at the edge of an installation hole in the base, a pushing column is arranged in the installation hole, and the outer wall of the pushing column is in wedge fit with the inner wall of each positioning piece; install pushing mechanism on the base, pushing mechanism work promotes the locking post and promotes the post and remove with locking piece and spacer radial outside removal to make locking piece locking in the screw hole, spacer outer wall butt is on the locating hole inner wall.
When the bolt of the water inlet valve of the power station is disassembled and assembled, the base is installed at the end part of the bolt, the locking piece on the base is inserted into the threaded hole on the bolt, then the base is rotated to adjust the position so that the positioning piece is aligned to and inserted into the positioning hole on the bolt, and the base is pressed towards the direction of the bolt so that the end face of the base is attached to the end face of the bolt. Control pushing mechanism work, pushing mechanism promotes the locking post and promotes the post and remove and radially outwards remove lock spacer and spacer to make the lock spacer locking in the threaded hole, spacer outer wall butt is on the locating hole inner wall, and the locking tooth card on the lock spacer outer wall is on the inner wall of screw hole, realizes the reliable connection of base and bolt, prevents effectively that the base from breaking away from the bolt. Finally, the dismounting tool is sleeved on the dismounting sleeve to drive the base to rotate, so that synchronous rotation of the bolts is achieved, the bolts are dismounted and mounted, operation is convenient, and working efficiency is high. Because the butt of spacer outer wall is on the locating hole inner wall, the base rotates the in-process can not appear rocking with between the bolt, locks the tooth card moreover on the inner wall of screw hole, in the dismouting process the base can not appear axial displacement with between the bolt, has guaranteed the stationarity and the reliability of dismouting. The auxiliary device for mounting and dismounting the water inlet valve bolt of the power station facilitates the dismounting of the bolt in the maintenance process of the main water inlet valve of the pumped storage power station, and is favorable for improving the working efficiency.
Preferably, the pushing mechanism comprises a first rotating disc and a plurality of second rotating discs, the second rotating discs are in transmission connection with the first rotating disc, the end parts of the locking columns are uniformly connected with a plurality of abutting columns, a plurality of obliquely arranged pushing surfaces are correspondingly arranged on the first rotating disc and the abutting columns, and the pushing surfaces abut against the abutting columns to push the locking columns to move; the end parts of the pushing columns are uniformly distributed and connected with a plurality of supporting columns, a plurality of obliquely arranged pushing surfaces are correspondingly arranged on the second rotating disc and the supporting columns, and the pushing surfaces abut against the supporting columns to push the pushing columns to move.
The first rotating disc rotates, the pushing surface on the first rotating disc is abutted to the abutting column to push the locking column to move, and the locking column pushes the locking sheet to move outwards in the radial direction through wedge-shaped matching with the locking sheet. The second turntable rotates, the pushing surface on the second turntable abuts against the supporting column to push the pushing column to move, and the pushing column pushes the pushing sheet to move radially outwards through wedge-shaped matching with the positioning sheet. The pushing mechanism with the structure is stable and reliable in operation and convenient to operate.
Preferably, the first rotary table is provided with a driving gear ring, the second rotary table is provided with a driven gear ring, the driving gear ring is in meshing transmission with the driven gear ring, and the first rotary table is connected with an operating rod. The first rotary disc is driven to rotate by stirring the operating rod, and the second rotary disc is driven to rotate by the first rotary disc, so that the operation is convenient.
Preferably, the base is provided with a limiting pin corresponding to the operating rod, one end of the limiting pin is provided with a guide surface which is obliquely arranged, the other end of the limiting pin is provided with a pulling handle, an abutting spring is installed between the limiting pin and the base, and the operating rod can slide through the guide surface, so that one end of the limiting pin abuts against the operating rod to limit the operating rod.
The operating rod slides over the guide surface at the end part of the limiting pin in the rotating process, and after the operating rod rotates in place, the limiting pin is abutted against the operating rod to play a good limiting role in the operating rod. When the bolt is disassembled, the limiting pin is pulled through the pulling handle, then the operating rod is rotated reversely, the locking piece and the positioning piece are reset, and then the base is detached from the end part of the bolt.
Preferably, a return spring is arranged between the pushing column and the base, and a return spring is arranged between the locking column and the base.
The return spring is convenient for pushing the column to return, and the return spring is convenient for locking the column to return, so that the base can be conveniently removed from the bolt.
Preferably, the end face of the pushing column is provided with a sliding elastic column, and a buffer spring is arranged between the sliding elastic column and the pushing column. After the locking piece is inserted into the threaded hole and before the positioning piece is not inserted into the positioning hole, the sliding elastic column abuts against and slides on the end face of the bolt, and after the sliding elastic column slides to the positioning hole, the positioning piece can be inserted into the positioning hole. The sliding elastic columns are arranged, so that the base can be adjusted in a rotating mode conveniently, and the positioning piece can slide into the positioning hole conveniently.
Preferably, the inner wall and the outer wall of the dismounting sleeve are both in a polygonal structure. The inner wall and the outer wall of the dismounting sleeve are both of polygonal structures, so that the dismounting tool is conveniently sleeved on the dismounting sleeve to rotate the base, and therefore the dismounting of the bolt is realized.
Preferably, the outer wall of the positioning sheet is inclined inwards in the direction away from the base. A gap is reserved between the outer wall of the positioning sheet and the inner wall of the positioning hole, so that the positioning sheet can be conveniently inserted into the positioning hole.
Preferably, the outer wall of the locking piece is arranged in an inward inclined mode in the direction away from the base, a guide portion is arranged at the end portion of the locking piece, and the outer wall of the guide portion is of a conical surface structure. The locking piece is convenient to insert into the threaded hole due to the inclined arrangement of the outer wall of the locking piece and the arrangement of the guide part.
Preferably, the assembling sleeve and the locking column are coaxially arranged, the positioning partition plate is installed in the inserting sleeve, and the end part of the locking column is arranged between the positioning partition plate and the base. The positioning partition plate plays a good protection role in the locking column. The dismounting sleeve and the locking column are coaxially arranged, so that stable dismounting of the bolt is realized.
Compared with the prior art, the invention has the beneficial effects that: (1) the auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station is convenient for dismounting the bolt in the maintenance process of the main water inlet valve of the pumped storage power station, and is beneficial to improving the working efficiency; (2) the base can not rock and axial displacement appear between the bolt in the dismouting in-process, has guaranteed the stationarity and the reliability of dismouting.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a use state of the present invention;
in the figure: 1. the bolt, 2, a base, 3, a dismounting sleeve, 4, a threaded hole, 5, a positioning hole, 6, an insertion hole, 7, a mounting hole, 8, a locking sheet, 9, locking teeth, 10, a locking column, 11, a positioning sheet, 12, a buffer spring, 13, a pushing column, 14, a return spring, 15, a return spring, 16, a sliding elastic column, 17, a guide part, 18, a positioning partition plate, 19, a first rotary disc, 20, a second rotary disc, 21, a butting column, 22, a pushing surface, 23, a supporting column, 24, a pushing surface, 25, an operating rod, 26, a limiting pin, 27, a pulling handle, 28, an end cover, 29, a pushing section, 30, a connecting cover, 31, a pushing ring, 32, a circular table section, 33 and an avoiding groove.
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 (b): a power station water inlet valve bolt mounting and dismounting auxiliary device (see attached figures 1 and 2) comprises a base 2 correspondingly matched with the end part of a bolt 1, wherein a dismounting sleeve 3 is arranged on the base, a threaded hole 4 and a plurality of positioning holes 5 are formed in the end surface of the bolt, the center of the end part of the bolt is provided with two threaded holes, the two positioning holes are uniformly distributed, and the base is provided with insertion holes 6 corresponding to the threaded holes and mounting holes 7 corresponding to the positioning holes; a plurality of arc-shaped locking pieces 8 are uniformly distributed at the edge of an insertion hole on the base, locking teeth 9 are arranged on the outer walls of the locking pieces, a locking column 10 is arranged in the insertion hole, and the outer wall of the locking column is in wedge-shaped fit with the inner wall of the locking piece; a plurality of arc-shaped positioning pieces 11 are uniformly distributed at the edge of a mounting hole on the base, a pushing column 13 is arranged in the mounting hole, and the outer wall of the pushing column is in wedge fit with the inner wall of each positioning piece; install pushing mechanism on the base, pushing mechanism work promotes the locking post and promotes the post and remove with locking piece and spacer radial outside removal to make locking piece locking in the screw hole, spacer outer wall butt is on the locating hole inner wall. A return spring 14 is arranged between the pushing column and the base, and a return spring 15 is arranged between the locking column and the base. The end face of the pushing column is provided with a sliding elastic column 16, and a buffer spring 12 is arranged between the sliding elastic column and the pushing column. The locating plate outer wall sets up to the direction of keeping away from the base slope inwards. The inner wall and the outer wall of the dismounting sleeve are both in a polygonal structure. The locking piece outer wall sets up to the direction of keeping away from the base slope inwards, and locking piece tip is equipped with guide part 17, and the guide part outer wall is the conical surface structure. The assembling sleeve and the locking column are coaxially arranged, the positioning partition plate 18 is arranged in the inserting sleeve, and the end part of the locking column is arranged between the positioning partition plate and the base.
The pushing mechanism comprises a first rotating disc 19 and a plurality of second rotating discs 20, and the first rotating disc and the second rotating discs are rotatably installed on the base. The second rotating disc is in transmission connection with the first rotating disc, the end parts of the locking columns are uniformly connected with a plurality of abutting columns 21, a plurality of obliquely arranged pushing surfaces 22 are arranged on the first rotating disc and correspond to the abutting columns, the pushing surfaces are arranged in an arc shape, and the pushing surfaces abut against the abutting columns to push the locking columns to move; the end parts of the pushing columns are uniformly connected with a plurality of supporting columns 23, a plurality of pushing surfaces 24 which are obliquely arranged are correspondingly arranged on the second turntable and the supporting columns, the pushing surfaces are arranged in an arc shape, and the pushing surfaces abut against the supporting columns to push the pushing columns to move. The first rotary table is provided with a driving gear ring, the second rotary table is provided with a driven gear ring, the driving gear ring is in meshing transmission with the driven gear ring, and the first rotary table is connected with an operating rod 25. The base is provided with a limiting pin 26 corresponding to the operating rod, one end of the limiting pin is provided with a guide surface which is obliquely arranged, the other end of the limiting pin is provided with a pulling handle 27, a butt spring is installed between the limiting pin and the base, and the operating rod can slide through the guide surface to enable one end of the limiting pin to butt on the operating rod to limit the operating rod.
Promote post one end fastening connection end cover 28, the support column setting is on the end cover, and the second carousel is arranged in between end cover and the base, installs the ball on the support column, and the ball laminating is on second carousel terminal surface. The other end of the pushing column is provided with a pushing section 29 which is of a round table structure, the outer diameter of the pushing section is gradually reduced towards the direction close to the base, and the inner wall of the positioning sheet is obliquely arranged and is attached to the outer wall of the pushing section. Locking post one end fastening connection has the connection lid 30, and the butt post setting is covered in the connection, connects on the first carousel and pushes away the movable ring 31, and the top pushes away the face setting on pushing away the movable ring, and the butt post is arranged in between first carousel and the promotion ring, installs the ball on the butt post, and the ball laminating is on pushing away the movable ring terminal surface. The locking post other end is equipped with round platform section 32, and the slope of locking piece inner wall sets up and laminates with round platform section outer wall adaptation. The outer diameter of the circular truncated cone section gradually increases towards the direction close to the base. An avoiding groove 33 is correspondingly arranged on the side wall of the dismounting sleeve and the first rotary disc, and the avoiding groove is used for avoiding the first rotary disc and the operating rod.
When the bolt of the water inlet valve of the power station is disassembled and assembled, the base is installed at the end part of the bolt, the locking piece on the base is inserted into the threaded hole on the bolt, then the base is rotated to adjust the position so that the positioning piece is aligned to and inserted into the positioning hole on the bolt, and the base is pressed towards the direction of the bolt so that the end face of the base is attached to the end face of the bolt. Control pushing mechanism work, pushing mechanism promotes the locking post and promotes the post and remove and radially outwards remove lock spacer and spacer to make the lock spacer locking in the threaded hole, spacer outer wall butt is on the locating hole inner wall, and the locking tooth card on the lock spacer outer wall is on the inner wall of screw hole, realizes the reliable connection of base and bolt, prevents effectively that the base from breaking away from the bolt. Finally, the dismounting tool is sleeved on the dismounting sleeve to drive the base to rotate, so that synchronous rotation of the bolts is achieved, the bolts are dismounted and mounted, operation is convenient, and working efficiency is high. Because the butt of spacer outer wall is on the locating hole inner wall, the base rotates the in-process can not appear rocking with between the bolt, locks the tooth card moreover on the inner wall of screw hole, in the dismouting process the base can not appear axial displacement with between the bolt, has guaranteed the stationarity and the reliability of dismouting. The auxiliary device for mounting and dismounting the water inlet valve bolt of the power station facilitates the dismounting of the bolt in the maintenance process of the main water inlet valve of the pumped storage power station, and is favorable for improving the working efficiency.
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 (10)
1. A power station water inlet valve bolt mounting and dismounting auxiliary device is characterized by comprising a base correspondingly matched with the end part of a bolt, wherein a dismounting sleeve is arranged on the base, a threaded hole and a plurality of positioning holes are formed in the end surface of the bolt, and an inserting hole corresponding to the threaded hole and a mounting hole corresponding to the positioning holes are formed in the base; a plurality of arc-shaped locking pieces are uniformly distributed at the edge of an insertion hole on the base, locking teeth are arranged on the outer walls of the locking pieces, locking columns are arranged in the insertion hole, and the outer walls of the locking columns are in wedge-shaped fit with the inner walls of the locking pieces; a plurality of arc-shaped positioning pieces are uniformly distributed at the edge of an installation hole in the base, a pushing column is arranged in the installation hole, and the outer wall of the pushing column is in wedge fit with the inner wall of each positioning piece; install pushing mechanism on the base, pushing mechanism work promotes the locking post and promotes the post and remove with locking piece and spacer radial outside removal to make locking piece locking in the screw hole, spacer outer wall butt is on the locating hole inner wall.
2. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in claim 1, wherein the pushing mechanism comprises a first rotating disc and a plurality of second rotating discs, the second rotating discs are in transmission connection with the first rotating disc, a plurality of abutting columns are uniformly distributed and connected at the end parts of the locking columns, a plurality of obliquely arranged pushing surfaces are arranged on the first rotating disc and correspond to the abutting columns, and the pushing surfaces abut against the abutting columns to push the locking columns to move; the end parts of the pushing columns are uniformly distributed and connected with a plurality of supporting columns, a plurality of obliquely arranged pushing surfaces are correspondingly arranged on the second rotating disc and the supporting columns, and the pushing surfaces abut against the supporting columns to push the pushing columns to move.
3. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in claim 2, wherein the first rotary disc is provided with a driving gear ring, the second rotary disc is provided with a driven gear ring, the driving gear ring is in meshing transmission with the driven gear ring, and the first rotary disc is connected with the operating rod.
4. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in claim 3, wherein a limiting pin is arranged on the base corresponding to the operating rod, one end of the limiting pin is provided with a guide surface arranged obliquely, the other end of the limiting pin is provided with a pulling handle, an abutting spring is arranged between the limiting pin and the base, and the operating rod can slide through the guide surface so that one end of the limiting pin abuts against the operating rod to limit the operating rod.
5. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in claim 1, wherein a return spring is mounted between the pushing column and the base, and a return spring is mounted between the locking column and the base.
6. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in claim 1, wherein a sliding elastic column is mounted on the end surface of the pushing column, and a buffer spring is mounted between the sliding elastic column and the pushing column.
7. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in claim 1, wherein the inner wall and the outer wall of the dismounting sleeve are both polygonal.
8. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in any one of the claims 1 to 7, wherein the outer wall of the positioning plate is inclined inwards in the direction away from the base.
9. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in any one of the claims 1 to 7, wherein the outer wall of the locking piece is arranged to be inclined inwards in the direction away from the base, the end part of the locking piece is provided with a guide part, and the outer wall of the guide part is in a conical surface structure.
10. The auxiliary device for mounting and dismounting the bolt of the water inlet valve of the power station as claimed in any one of the claims 1 to 7, wherein the mounting sleeve and the locking column are coaxially arranged, the positioning partition plate is mounted in the insertion sleeve, and the end part of the locking column is arranged between the positioning partition plate and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295358.1A CN113084752B (en) | 2021-03-19 | 2021-03-19 | Auxiliary device is dismantled in installation of power station water intaking valve bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295358.1A CN113084752B (en) | 2021-03-19 | 2021-03-19 | Auxiliary device is dismantled in installation of power station water intaking valve bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113084752A true CN113084752A (en) | 2021-07-09 |
| CN113084752B CN113084752B (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110295358.1A Active CN113084752B (en) | 2021-03-19 | 2021-03-19 | Auxiliary device is dismantled in installation of power station water intaking valve bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113084752B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570781A (en) * | 2022-10-04 | 2023-01-06 | 罗浮阀门集团有限公司 | Valve body lining process of safety valve |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2284352A1 (en) * | 1999-09-29 | 2001-03-29 | Rodrigue Boulet | Bolt and nut disassembling apparatus |
| CN102615626A (en) * | 2012-04-13 | 2012-08-01 | 哈尔滨飞机工业集团有限责任公司 | Bolt disassembly tool |
| CN103192350A (en) * | 2012-01-10 | 2013-07-10 | 北汽福田汽车股份有限公司 | Wire cutting tool for stud |
| CN203622371U (en) * | 2013-12-27 | 2014-06-04 | 新余钢铁集团有限公司 | Bolt disassembly and assembly locking device |
| CN204414006U (en) * | 2015-01-14 | 2015-06-24 | 宁波市鄞州东宁工具有限公司 | Band changes the drawbench of auxiliary boosting-rod fast |
| CN104908005A (en) * | 2015-06-23 | 2015-09-16 | 上海梅山科技发展有限公司 | Double-headed bolt assembling and disassembling tool |
| CN205075003U (en) * | 2015-08-27 | 2016-03-09 | 武汉特种工业泵厂有限公司 | A frock for dismantling elastic pin coupling |
| CN205817730U (en) * | 2016-06-02 | 2016-12-21 | 新昌县中瑞轴承厂 | A kind of bearing outer ring provision for disengagement |
| CN210255943U (en) * | 2019-07-29 | 2020-04-07 | 山东丰奥工程机械制造有限公司 | Hub bolt installation tool |
| CN111469094A (en) * | 2020-05-21 | 2020-07-31 | 浙江博弈科技股份有限公司 | Dismounting device of cylinder head cover |
| CN211940724U (en) * | 2019-11-26 | 2020-11-17 | 大连船用阀门有限公司 | Online assembly and disassembly tools of facial make-up ball valve |
| CN212192961U (en) * | 2020-02-25 | 2020-12-22 | 沈阳盛世五寰科技有限公司 | Tower mill shaft coupling pin installation dismounting device |
-
2021
- 2021-03-19 CN CN202110295358.1A patent/CN113084752B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2284352A1 (en) * | 1999-09-29 | 2001-03-29 | Rodrigue Boulet | Bolt and nut disassembling apparatus |
| CN103192350A (en) * | 2012-01-10 | 2013-07-10 | 北汽福田汽车股份有限公司 | Wire cutting tool for stud |
| CN102615626A (en) * | 2012-04-13 | 2012-08-01 | 哈尔滨飞机工业集团有限责任公司 | Bolt disassembly tool |
| CN203622371U (en) * | 2013-12-27 | 2014-06-04 | 新余钢铁集团有限公司 | Bolt disassembly and assembly locking device |
| CN204414006U (en) * | 2015-01-14 | 2015-06-24 | 宁波市鄞州东宁工具有限公司 | Band changes the drawbench of auxiliary boosting-rod fast |
| CN104908005A (en) * | 2015-06-23 | 2015-09-16 | 上海梅山科技发展有限公司 | Double-headed bolt assembling and disassembling tool |
| CN205075003U (en) * | 2015-08-27 | 2016-03-09 | 武汉特种工业泵厂有限公司 | A frock for dismantling elastic pin coupling |
| CN205817730U (en) * | 2016-06-02 | 2016-12-21 | 新昌县中瑞轴承厂 | A kind of bearing outer ring provision for disengagement |
| CN210255943U (en) * | 2019-07-29 | 2020-04-07 | 山东丰奥工程机械制造有限公司 | Hub bolt installation tool |
| CN211940724U (en) * | 2019-11-26 | 2020-11-17 | 大连船用阀门有限公司 | Online assembly and disassembly tools of facial make-up ball valve |
| CN212192961U (en) * | 2020-02-25 | 2020-12-22 | 沈阳盛世五寰科技有限公司 | Tower mill shaft coupling pin installation dismounting device |
| CN111469094A (en) * | 2020-05-21 | 2020-07-31 | 浙江博弈科技股份有限公司 | Dismounting device of cylinder head cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570781A (en) * | 2022-10-04 | 2023-01-06 | 罗浮阀门集团有限公司 | Valve body lining process of safety valve |
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| Publication number | Publication date |
|---|---|
| CN113084752B (en) | 2022-07-15 |
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