CN111469094B - Dismounting device of cylinder head cover - Google Patents
Dismounting device of cylinder head cover Download PDFInfo
- Publication number
- CN111469094B CN111469094B CN202010437092.5A CN202010437092A CN111469094B CN 111469094 B CN111469094 B CN 111469094B CN 202010437092 A CN202010437092 A CN 202010437092A CN 111469094 B CN111469094 B CN 111469094B
- Authority
- CN
- China
- Prior art keywords
- limiting
- top block
- hand wheel
- ring
- movable top
- 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
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a dismounting device of a cylinder head cover.A number of limiting moving holes is the same as the number of edges of connecting columns; the limiting moving hole is elastically and radially moved with a U-shaped limiting moving top block which is matched with the limiting moving hole and has an outward opening; the inner side end of the limiting movable top block vertically abuts against the end face of the corresponding side of the connecting column; the upper end surface of the limiting movable top block abuts against the bottom surface of the hand wheel body; a circular ring cylindrical limiting ring is vertically sleeved on the connecting support; a plurality of lifting drive plates which are uniformly distributed circumferentially are formed on the bottom surface of the limiting ring; cylindrical driving columns are formed on the front end face and the rear end face of the lifting driving plate respectively; the lifting drive plate is vertically movably arranged in an opening of the limiting movable top block; and a pair of transverse parts of the limiting movable top block are respectively provided with driving holes which are inclined upwards from outside to inside and matched with the driving columns.
Description
Technical Field
The invention relates to the technical field of assembling and disassembling of a cylinder head cover, in particular to an assembling and disassembling device of the cylinder head cover.
Background
As shown in fig. 1, a cylinder head cover 30 of a diesel engine of an internal combustion locomotive is pressed on a rocker shaft seat 20 through a hand wheel 64 and a stud 40 connected to a cylinder head 10, so that lubricating oil of accessories in the rocker shaft seat is sealed. In the assembling and testing of diesel engines and the application of diesel locomotives, the cylinder head cover cap needs to be frequently disassembled and assembled. When each cylinder cover cap is assembled, the hand wheel is pre-tightened at the upper end of the stud bolt, and finally the spanner is used for clamping two planes on the opposite side of the regular hexagonal prism at the lower part of the hand wheel and screwing. When disassembling the cover of each cylinder cover, firstly a wrench is used for clamping two planes at the opposite sides of the regular hexagonal prism at the lower part of the hand wheel to loosen the hand wheel in advance, and then the hand wheel is manually rotated to loosen the hand wheel from the stud. Because a diesel engine of an internal combustion locomotive is provided with a plurality of cylinder cover covers, hand wheels of the cylinder cover covers are basically positioned at the uppermost end of the diesel engine, and the wrench space between the hand wheels is narrow, the labor amount for disassembling and assembling the cylinder cover of the diesel engine is large, and the efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problems that an existing disassembling tool for a cylinder head cover is inconvenient and low in efficiency, and provides a disassembling device for the cylinder head cover.
The technical scheme for solving the technical problems is as follows: a stud bolt sequentially vertically penetrates through a cylinder head cover and a rocker arm shaft seat from top to bottom, and the lower end of the stud bolt is screwed on the upper end surface of a cylinder cover; the hand wheel is screwed on the upper end of the double-headed bolt and is tightly pressed on the upper end surface of the cylinder head cover; the hand wheel comprises a circular plate-shaped hand wheel body at the upper part and a regular polygon columnar connecting column formed in the center of the bottom surface of the hand wheel body;
comprises an electric wrench and a dismounting connecting seat; the dismounting connecting seat comprises a hand wheel and a cylindrical connecting support; the connecting support is detachably fixed on an output shaft of the electric wrench; a cylindrical groove-shaped limiting slot matched with the hand wheel body is formed in the bottom surface of the connecting support; a plurality of radially penetrating rectangular groove-shaped limiting moving holes which are uniformly distributed on the circumference are formed at the lower part of the limiting slot; the number of the limiting moving holes is the same as that of the edges of the connecting columns; the limiting moving hole is elastically and radially moved with a U-shaped limiting moving top block which is matched with the limiting moving hole and has an outward opening; a circular ring cylindrical limiting ring is vertically sleeved on the connecting support; a plurality of lifting drive plates which are uniformly distributed circumferentially are formed on the bottom surface of the limiting ring; cylindrical driving columns are formed on the front end face and the rear end face of the lifting driving plate respectively; the lifting drive plate is vertically movably arranged in an opening of the limiting movable top block; driving holes which are inclined upwards from outside to inside and matched with the driving columns are formed in the pair of transverse parts of the limiting movable jacking block respectively; when the limiting ring is positioned at the uppermost end, the inner side end of the limiting movable top block is accommodated in the limiting movable hole at the corresponding side; when the limiting ring is positioned at the lowest end, the inner side end of the limiting moving ejector block vertically abuts against the end face of the corresponding side of the connecting column, and the upper end face of the limiting moving ejector block abuts against the bottom face of the hand wheel body.
Preferably, a cylindrical connecting table is formed at the center of the upper end face of the connecting support; the output shaft of the electric wrench is connected with the connecting platform into a whole through a pin.
Preferably, the outer cylindrical surface of the connecting support is formed with external threads; the upper end of the limiting ring is pivoted with a circular lifting driving ring; the upper part of the inner cylindrical surface of the lifting driving ring is provided with an internal thread matched with the external thread of the connecting support.
Preferably, the damping layer is formed on the outer cylindrical surface of the elevation driving ring.
Preferably, a vertical baffle is formed between the middle parts of the upper side wall and the lower side wall of the outer side end of the limiting moving hole; the vertical baffle is positioned in the opening of the limiting movable top block on the corresponding side; a plurality of tension springs which are uniformly distributed up and down are fixed on the end surface of the inner side of the vertical baffle; the inboard end of extension spring is fixed on the inboard lateral wall of spacing removal kicking block.
Preferably, the connecting column is a regular hexagon column.
The invention has the beneficial effects that: simple structure need not pretension or loosen the hand wheel in advance, makes things convenient for the hand wheel dismouting.
Drawings
FIG. 1 is a schematic structural view of a cross section of the present invention;
fig. 2 is a schematic structural view of a section of the detachable connecting seat 60 of the present invention.
In the figure, 10, the cylinder head; 20. a rocker shaft seat; 30. a cylinder head cover; 40. a stud bolt; 50. an electric wrench; 51. an output shaft; 60. disassembling and assembling the connecting seat; 61. connecting a support; 610. limiting slots; 6100. limiting the moving hole; 611. a vertical baffle; 612. a connecting table; 62. limiting and moving the jacking block; 620. a drive aperture; 63. a tension spring; 64. a hand wheel; 641. connecting columns; 65. a lifting drive ring; 651. a damping layer; 66. a limiting ring; 661. lifting the driving plate; 662. a drive column; 70. a pin.
Detailed Description
As shown in fig. 1 and 2, in the dismounting device of the cylinder head cover, a stud bolt 40 vertically penetrates through the cylinder head cover 30 and the rocker shaft seat 20 in sequence from top to bottom, and the lower end of the stud bolt is screwed on the upper end surface of the cylinder head 10; the hand wheel 64 is screwed on the upper end of the stud bolt 40 and is pressed on the upper end surface of the cylinder head cover 30; the handwheel 64 comprises a handwheel body with a circular plate shape at the upper part and a connecting column 641 with a regular polygon column shape formed at the center of the bottom surface of the handwheel body;
comprises an electric wrench 50 and a dismounting and mounting connecting seat 60; the dismounting and mounting connecting seat 60 comprises a hand wheel 64 and a cylindrical connecting support 61; the connecting support 61 is detachably fixed on the output shaft 51 of the electric wrench 50; a cylindrical groove-shaped limiting slot 610 matched with the hand wheel body is formed in the bottom surface of the connecting support 61; a plurality of radially penetrating rectangular groove-shaped limiting moving holes 6100 which are uniformly distributed in the circumference are formed at the lower part of the limiting slot 610; the number of the limiting moving holes 6100 is the same as the number of the edges of the connecting column 641; the U-shaped limiting moving top block 62 with an outward opening matched with the limiting moving hole 6100 is elastically and radially moved in the limiting moving hole 6100; a circular ring cylindrical limiting ring 66 is vertically sleeved on the connecting support 61; a plurality of lifting drive plates 661 are formed on the bottom surface of the limit ring 66 and are evenly distributed circumferentially; cylindrical driving posts 662 are formed on the front and rear end surfaces of the lifting driving plate 661; the lifting driving plate 661 is vertically movably disposed in the opening of the limit movable top block 62; a pair of transverse parts of the limiting movable top block 62 are respectively provided with a driving hole 620 which is inclined upwards from outside to inside and is matched with the driving column 662; when the limiting ring 66 is at the uppermost end, the inner side end of the limiting movable top block 62 is received in the limiting movable hole 6100 of the corresponding side; when the limiting ring 66 is at the lowest end, the inner end of the limiting moving top block 62 vertically abuts against the end surface of the corresponding side of the connecting column 641 and the upper end surface of the limiting moving top block 62 abuts against the bottom surface of the hand wheel body.
Preferably, a cylindrical connecting base 612 is formed at the center of the upper end surface of the connecting support 61; the output shaft of the electric wrench 50 is integrally connected to the connecting table 612 by the pin 70.
Preferably, the outer cylindrical surface of the connecting support 61 is formed with an external thread; the upper end of the limiting ring 66 is pivoted with a circular lifting driving ring 65; the upper portion of the inner cylindrical surface of the elevation driving ring 65 is formed with an internal thread to be fitted with the external thread of the connection holder 61.
Preferably, the damping layer 651 is formed on the outer cylindrical surface of the elevation drive ring 65.
Preferably, a vertical baffle 611 is formed between the middle parts of the upper side wall and the lower side wall of the outer side end of the limiting moving hole 6100; the vertical baffle 611 is positioned in the opening of the limiting movable top block 62 on the corresponding side; a plurality of tension springs 63 which are uniformly distributed up and down are fixed on the end surface of the inner side of the vertical baffle 611; the inner end of the tension spring 63 is fixed on the inner side wall of the limit moving top block 62.
As a preferred embodiment of the above technical solution, the connection column 641 is a regular hexagonal column.
The working principle of the dismounting device of the cylinder head cover;
initial state: when the limiting ring 66 is at the uppermost end, the inner side end of the limiting movable top block 62 is accommodated in the limiting movable hole 6100 at the corresponding side;
when the hand wheel is disassembled, the limiting slot 610 of the connecting support 61 is sleeved on the hand wheel body of the hand wheel 64, then the lifting driving ring 65 is rotated to enable the limiting ring 66 to descend, the limiting moving top block 62 gradually moves inwards in the radial direction in the process until the limiting ring 66 is positioned at the lowest end, at the moment, the inner side end of the limiting moving top block 62 vertically abuts against the end face of the corresponding side of the connecting column 641, and the upper end face of the limiting moving top block 62 abuts against the bottom face of the hand wheel body; then the electric wrench 50 is started to drive the dismounting and mounting connecting seat 60 to rotate, and the hand wheel 64 is screwed off from the upper end of the stud bolt 40, so that the cylinder head cover 30 can be dismounted;
during assembly, firstly, according to the above principle, the hand wheel 64 is fixed in the limit slot 610 of the connecting support 61, then the electric wrench 50 is started to drive the dismounting and connecting seat 60 to rotate, so that the hand wheel 64 is screwed on the upper end of the stud bolt 40 and the hand wheel 64 presses the cylinder head cover 30, and thus the assembly of the cylinder head cover 30 is completed.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (6)
1. A stud (40) vertically penetrates through a cylinder head cover (30) and a rocker arm shaft seat (20) from top to bottom in sequence, and the lower end of the stud is screwed on the upper end face of a cylinder cover (10); the hand wheel (64) is screwed on the upper end of the double-headed bolt (40) and is pressed on the upper end surface of the cylinder head cover (30); the hand wheel (64) comprises a circular plate-shaped hand wheel body at the upper part and a regular polygon columnar connecting column (641) formed in the center of the bottom surface of the hand wheel body;
comprises an electric wrench (50) and a dismounting connecting seat (60); the method is characterized in that: the dismounting and mounting connecting seat (60) comprises a hand wheel (64) and a cylindrical connecting support (61); the connecting support (61) is detachably fixed on an output shaft (51) of the electric wrench (50); a cylindrical groove-shaped limiting slot (610) matched with the hand wheel body is formed in the bottom surface of the connecting support (61); a plurality of radially penetrating rectangular groove-shaped limiting moving holes (6100) which are uniformly distributed on the circumference are formed at the lower part of the limiting slot (610); the number of the limiting moving holes (6100) is the same as the number of the edges of the connecting columns (641); the limiting moving hole (6100) is internally provided with an outward-opening limiting moving jacking block (62) which is matched with the limiting moving hole (6100) in an elastic radial way; a circular-ring cylindrical limiting ring (66) is vertically sleeved on the connecting support (61); a plurality of lifting drive plates (661) which are uniformly distributed circumferentially are formed on the bottom surface of the limiting ring (66); cylindrical driving columns (662) are formed on the front end surface and the rear end surface of the lifting driving plate (661); the lifting driving plate (661) is vertically movably arranged in an opening of the limiting movable top block (62); a pair of transverse parts of the limiting movable top block (62) are respectively provided with a driving hole (620) which is inclined upwards from outside to inside and is matched with the driving column (662); when the limiting ring (66) is positioned at the uppermost end, the inner side end of the limiting movable top block (62) is received in the limiting movable hole (6100) at the corresponding side; when the limiting ring (66) is positioned at the lowest end, the inner end of the limiting movable top block (62) vertically abuts against the end surface of the corresponding side of the connecting column (641), and the upper end surface of the limiting movable top block (62) abuts against the bottom surface of the hand wheel body.
2. The device of claim 1, wherein: a cylindrical connecting table (612) is formed in the center of the upper end face of the connecting support (61); the output shaft of the electric wrench (50) is connected with the connecting table (612) into a whole through a pin (70).
3. The device of claim 1, wherein: external threads are formed on the outer cylindrical surface of the connecting support (61); the upper end of the limiting ring (66) is pivoted with a circular lifting driving ring (65); the upper part of the inner cylindrical surface of the lifting driving ring (65) is formed with an internal thread matched with the external thread of the connecting support (61).
4. The device of claim 3, wherein: a damping layer 651 is formed on the outer cylindrical surface of the elevating drive ring 65.
5. The device of claim 1, wherein: a vertical baffle (611) is formed between the middle parts of the upper side wall and the lower side wall of the outer side end of the limiting moving hole (6100); the vertical baffle (611) is positioned in the opening of the limiting movable top block (62) on the corresponding side; a plurality of tension springs (63) which are uniformly distributed up and down are fixed on the end surface of the inner side of the vertical baffle (611); the inner side end of the tension spring (63) is fixed on the inner side wall of the limit moving ejector block (62).
6. The device of claim 1, wherein: the connecting column (641) is a regular hexagon column.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010437092.5A CN111469094B (en) | 2020-05-21 | 2020-05-21 | Dismounting device of cylinder head cover |
| PCT/CN2020/098850 WO2021232545A1 (en) | 2020-05-21 | 2020-06-29 | Dismounting device for air cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010437092.5A CN111469094B (en) | 2020-05-21 | 2020-05-21 | Dismounting device of cylinder head cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111469094A CN111469094A (en) | 2020-07-31 |
| CN111469094B true CN111469094B (en) | 2021-02-19 |
Family
ID=71765110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010437092.5A Active CN111469094B (en) | 2020-05-21 | 2020-05-21 | Dismounting device of cylinder head cover |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111469094B (en) |
| WO (1) | WO2021232545A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026439B (en) * | 2020-09-14 | 2022-03-11 | 中车大连机车车辆有限公司 | Dismounting device of locomotive wheel drive pin |
| CN113084752B (en) * | 2021-03-19 | 2022-07-15 | 华东桐柏抽水蓄能发电有限责任公司 | Auxiliary device is dismantled in installation of power station water intaking valve bolt |
| CN114227615B (en) * | 2022-02-25 | 2022-04-26 | 成都成高阀门有限公司 | Quick assembly tool for valve seat support |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203956860U (en) * | 2014-06-20 | 2014-11-26 | 南车洛阳机车有限公司 | The dismantling device of diesel engine of diesel locomotive cylinder head cover cap |
| CN206780307U (en) * | 2017-05-26 | 2017-12-22 | 中国石油天然气集团公司 | A kind of engine cylinder cap bolt disassembly instrument |
| CN108515480A (en) * | 2018-03-08 | 2018-09-11 | 杭州巨星科技股份有限公司 | Adjustable spanner |
| CN208100205U (en) * | 2018-03-01 | 2018-11-16 | 杨聪 | A kind of connecting rod wrench |
| CN209223942U (en) * | 2019-01-03 | 2019-08-09 | 陈坚如 | A kind of Multifunctional sleeve of dimension adjustable |
| CN110142722A (en) * | 2019-05-27 | 2019-08-20 | 安徽黎搏装饰工程有限公司 | A kind of construction nut remover |
| EP3542965A1 (en) * | 2018-03-06 | 2019-09-25 | Toyota Jidosha Kabushiki Kaisha | Temporary tightening tool for fastening member |
| CN209717582U (en) * | 2019-01-24 | 2019-12-03 | 中国人民解放军陆军工程大学 | rotary unloading device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000071133A (en) * | 1998-08-28 | 2000-03-07 | Babcock Hitachi Kk | Bolt dismounting-mounting device and its method |
| US20040093997A1 (en) * | 2002-11-15 | 2004-05-20 | Huang Li Shiu | Tool extension with a screw attraction structure |
| CN208276792U (en) * | 2018-05-07 | 2018-12-25 | 新昌县七星街道春强机械厂 | A kind of portable type spanner |
-
2020
- 2020-05-21 CN CN202010437092.5A patent/CN111469094B/en active Active
- 2020-06-29 WO PCT/CN2020/098850 patent/WO2021232545A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203956860U (en) * | 2014-06-20 | 2014-11-26 | 南车洛阳机车有限公司 | The dismantling device of diesel engine of diesel locomotive cylinder head cover cap |
| CN206780307U (en) * | 2017-05-26 | 2017-12-22 | 中国石油天然气集团公司 | A kind of engine cylinder cap bolt disassembly instrument |
| CN208100205U (en) * | 2018-03-01 | 2018-11-16 | 杨聪 | A kind of connecting rod wrench |
| EP3542965A1 (en) * | 2018-03-06 | 2019-09-25 | Toyota Jidosha Kabushiki Kaisha | Temporary tightening tool for fastening member |
| CN108515480A (en) * | 2018-03-08 | 2018-09-11 | 杭州巨星科技股份有限公司 | Adjustable spanner |
| CN209223942U (en) * | 2019-01-03 | 2019-08-09 | 陈坚如 | A kind of Multifunctional sleeve of dimension adjustable |
| CN209717582U (en) * | 2019-01-24 | 2019-12-03 | 中国人民解放军陆军工程大学 | rotary unloading device |
| CN110142722A (en) * | 2019-05-27 | 2019-08-20 | 安徽黎搏装饰工程有限公司 | A kind of construction nut remover |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021232545A1 (en) | 2021-11-25 |
| CN111469094A (en) | 2020-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111469094B (en) | Dismounting device of cylinder head cover | |
| CN103203621B (en) | Automobile vibration damper piston rod locking device | |
| CN110238638B (en) | Long-stroke automatic nut screwing tool | |
| CN211490789U (en) | Clamping tool for flywheel end face polishing | |
| CN112621194A (en) | Internal stop-external movement type tightening device, press-fitting device and tightening method | |
| CN102528729B (en) | Assembly tool for connecting rod caps of engines | |
| CN210588002U (en) | Main bearing assembling and disassembling tool | |
| CN106540845B (en) | A kind of piston automatic oiling mechanism | |
| US8371010B2 (en) | Automotive maintenance tool | |
| CN202388219U (en) | Tool for assembling piston, connecting rod and piston pin | |
| CN212887393U (en) | Press mounting tool for pump transmission shaft | |
| CN212977385U (en) | Bolt dismouting tool | |
| CN214538362U (en) | A test clamping device for wheel hub balancing machine | |
| CN208614326U (en) | Piston Machining automatic fixture | |
| CN218950828U (en) | External hanging ring of servomotor | |
| CN208560817U (en) | Flywheel disc handling device | |
| CN109333449B (en) | Engine oil seal dismounting device | |
| CN215148579U (en) | Universal dismounting tool for pressure accumulation tank of marine diesel engine | |
| CN202301364U (en) | Novel bolt | |
| CN111692177B (en) | Convenient locating pin of dismantling | |
| CN218564296U (en) | Detachable flywheel gear ring | |
| CN105459011B (en) | Assembling tool for fuel manifold assembly of direct injection engine in cylinder | |
| CN220445670U (en) | Blow-down valve steel wire retainer ring assembly fixture for energy accumulator | |
| CN210255959U (en) | Diesel engine fuel injector extracting tool | |
| CN214977993U (en) | Diesel engine camshaft timing gear processingequipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |