CN210819362U - Engine crankshaft bearing cap extracting tool - Google Patents
Engine crankshaft bearing cap extracting tool Download PDFInfo
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- CN210819362U CN210819362U CN201921376629.0U CN201921376629U CN210819362U CN 210819362 U CN210819362 U CN 210819362U CN 201921376629 U CN201921376629 U CN 201921376629U CN 210819362 U CN210819362 U CN 210819362U
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Abstract
The utility model belongs to the technical field of auxiliary mounting tools for automobile parts, and relates to a tool for disassembling a bearing cover of an engine crankshaft; the device mainly comprises a driving mechanism, a locking nut, a large bracket, a small bracket, an eight-claw mechanism and a base; the driving structure consists of a T-shaped handle, a check ring and a lead screw; the large support consists of a large support beam and a large support vertical support, the small support consists of a small support beam and a small support vertical support, slide way grooves are arranged at two ends of the large support beam and the small support beam, and the large support vertical support and the small support vertical support are locked by a large support locking nut and a small support locking nut; the retainer ring and the T-shaped handle are fixed into a whole, the screw rod penetrates through the large bracket cross beam, and the small bracket cross beam is connected with the screw rod through threads; the lower end of the small support vertical support is provided with an eight-claw mechanism. The utility model discloses simple structure, convenient operation, light swift during the use, need not other power supplies, the fault-free rate, the range of application is wide, can not hinder quick dismantlement to engine crankshaft bearing lid.
Description
Technical Field
The utility model belongs to the technical field of auto parts's supplementary mounting tool, a engine crankshaft bearing lid extracting tool is related to, is applied to engine crankshaft bearing lid's dismantlement.
Background
When daily engine assembly and overhaul, need dismantle engine crankshaft bearing cap, but do not have the specialized tool who dismantles engine crankshaft bearing cap now, rely on the bolt to rock or means such as other instrument tops, draws when dismantling basically, dismantle and waste time and energy, easily produce the damage and produce the injury to the human body to the spare part.
In the prior art, as the engine crankshaft bearing cover dismounting device disclosed in chinese patent CN204818645U, the device needs a sensor, an electric control system, an air pressure pipeline, a high pressure air source and the like, the structure is too complex, the related electrical components are many, the price is high, compressed air and a power supply are needed, the device belongs to large-scale equipment, the failure is easy to occur, and the maintenance cost is high. Is not suitable for small-batch engine assembly and adjustment or engine overhaul and other works.
Patent document (CN208342720U) discloses a portable tool for detaching a main bearing cap of a diesel engine, and patent document (CN203409704U) relates to an auxiliary tool for detaching a main bearing cap of a diesel engine, which can only be applied to detaching a main bearing cap of a large diesel engine, but cannot be applied to detaching an engine crankshaft bearing cap of a gasoline engine or a small diesel engine.
Disclosure of Invention
The utility model aims to solve the technical problem that the instrument that does not have the specialty dismantlement engine crankshaft bearing cap's that has overcome prior art existence problem provides an engine crankshaft bearing cap extracting tool.
In order to solve the above technical problem, the present invention adopts the following technical solution, which is described below with reference to the accompanying drawings:
a tool for disassembling an engine crankshaft bearing cover mainly comprises a driving mechanism 1, a large bracket 3, a small bracket 4, an eight-claw mechanism 43 and a base 5;
the driving mechanism 1 consists of a T-shaped handle 11, a check ring 12 and a lead screw 13;
the large support 3 consists of a large support beam 31 and a large support vertical support 32, slide grooves are formed in two ends of the large support beam 31, and the large support vertical support 32 is locked by a large support locking nut 21;
the small support 4 consists of a small support beam 41 and a small support vertical support 42, slide grooves are formed in two ends of the small support beam 41, and the small support vertical support 42 is locked by a small support locking nut 22;
the retainer ring 12 and the T-shaped handle 11 are fixed into a whole, the lead screw 13 penetrates through the large support beam 31, and the small support beam 41 is connected with the lead screw 13 through threads;
the large bracket 3 is placed on the cylinder body 6 through the base 5;
the lower end of the small support vertical support 42 is provided with an eight-claw mechanism 43.
In the technical scheme, the eight-claw mechanism 43 consists of a bearing 431, eight claws 432, an eight-claw locking handle 433, an eight-claw rubber sleeve 434, an eight-claw locking device 435 and an eight-claw cross arm 436; the eight-claw rubber sleeve 434 is fixed on the eight claws 432, the eight claws 432 are fixed on an eight-claw cross arm 436 through a bearing 431, the eight-claw cross arm 436 is connected with an eight-claw lock 435 through a screw mechanism, the eight claws 432 expand or contract with the bearing 431 as a shaft, an eight-claw lock handle 433 and the eight-claw lock 435 are of an integrated structure, the eight-claw lock 435 and an eight-claw retainer ring 9 are of an integrated structure, and the eight-claw lock 435 and the eight-claw retainer ring 9 are of an integrated structure and are integrally connected with the small support vertical support 42 through a through hole 10.
In the technical scheme, the large support vertical support 32, the small support vertical support 42 and the eight-claw mechanism 43 are respectively arranged on the left and the right.
Replacing the eight-claw mechanism 43 with a plastic expansion plug mechanism, and pulling out the engine crankshaft bearing cover 7; the plastic expansion plug mechanism comprises a rotary eight-claw locking handle 433, an expansion plug screw 437 and a plastic expansion plug 438;
the expansion plug screw 437, the eight-claw locking handle 433 and the eight-claw retainer ring 9 are of an integral structure, and the integral structure is integrally connected with the small support vertical support 42 through the through hole 10.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses simple structure, convenient operation, light swift during the use, need not other power supplies, the fault-free rate, the range of application is wide, can not hinder quick dismantlement to engine crankshaft bearing lid.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a general view of an engine crankshaft bearing cap removal tool;
FIG. 2 is a schematic view of the A-direction large support distance adjustment slide of FIG. 1;
FIG. 3 is a schematic view of the B-direction small support distance adjustment slide of FIG. 1;
FIG. 4 is a partial pictorial illustration of the C-way eight-jaw mechanism of FIG. 1;
FIG. 5 is a partial schematic view of the C-direction plastic expander mechanism of FIG. 1;
in the figure: 1. a drive mechanism; 2. a lock nut; 3. a large support; 4. a small support; 5. a base; 6. a cylinder body; 7. an engine crankshaft bearing cap; 8. a crankshaft; 9. eight-claw retainer ring; 10. through hole
11. A T-shaped handle; 12. a retainer ring; 13. a lead screw; 21. a large bracket locking nut; 22. the small bracket locking nut; 31. a large bracket beam; 32. the large bracket is vertical to the bracket; 41. a small support beam; 42. a small vertical support; 43. an eight-claw mechanism; 431. a bearing; 432. eight claws, 433, an eight claw locking handle, 434 eight claw rubber sleeves and 435 eight claw locking device; 436. an eight-claw cross arm; 437 expanding a plug screw; 438 a plastic expansion plug.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
the connection relationship between the working process and each component of the device of the present invention is described in detail below with reference to the accompanying drawings:
referring to fig. 1, the main components of the present invention are: the device comprises a driving mechanism 1, a locking nut 2, a large bracket 3, a small bracket 4 and a base 5.
The driving mechanism 1 is composed of a T-shaped handle 11, a retainer ring 12 and a lead screw 13, wherein the retainer ring 12 and the T-shaped handle are welded and fixed into a whole, the lead screw 13 penetrates through a large bracket beam 31, a small bracket beam 41 is connected with the lead screw 13 through threads, and due to the retainer ring 12, when the T-shaped handle 11 is rotated, the T-shaped handle 11 cannot move downwards, namely the small bracket 4 moves upwards due to threaded connection, so that the engine crankshaft bearing cover 7 is pulled up by using an eight-claw mechanism 43.
The supporting structure is composed of a large support 3 and a small support 4, the large support 3 is composed of a large support beam 31 and a large support vertical support 32, referring to fig. 2, two ends of the large support beam 31 are provided with slide grooves, and the position of the large support vertical support 32 is locked by a large support locking nut 21. The small bracket 4 is composed of a small bracket beam 41 and a small bracket vertical bracket 42, referring to fig. 3, two ends of the small bracket beam 41 are provided with slide grooves, and the position of the small bracket vertical bracket 42 is locked by a small bracket locking nut 22. The large support 3 is placed on the cylinder 6 by means of a base 5.
Referring to fig. 4, the lower end of the small support vertical support 42 is hollow, the bottom end of the small support vertical support 42 is provided with a light hole 10, an eight-claw retainer ring 9 is arranged inside the lower end of the small support vertical support 42, the eight-claw retainer ring 9 and the eight-claw lock 435 are integrated into a whole, and the eight-claw retainer ring 9 and the eight-claw lock 435 can freely rotate in the through hole 10. Due to the existence of the retainer ring 9, when the eight-claw lock 435 is rotated, the eight-claw mechanism 43 cannot fall off the small bracket vertical bracket 42, so that the purpose of opening the eight claws 432 is achieved.
Referring to fig. 4, the eight-claw mechanism 43 is composed of a bearing 431, an eight claw 432, an eight-claw locking handle 433, an eight-claw rubber sleeve 434, an eight-claw lock 435 and an eight-claw cross arm 436, the eight-claw rubber sleeve 434 is fixed on the eight claw 432, the eight claw 432 is fixed on the eight-claw cross arm 436 through the bearing 431, the eight-claw cross arm 436 is connected with the eight-claw lock 435 through a screw mechanism, the eight claw 432 is opened or contracted by taking the bearing 431 as an axis, the eight-claw locking handle 433 and the eight-claw lock 435 are integrated, the eight-claw lock 435 and the eight-claw retainer ring 9 are integrated, and the eight-claw lock 435 and the eight-claw retainer ring 9 are integrally connected with the small-bracket vertical bracket 42 through a through hole 10.
When the crank shaft bearing cover is used, the eight-claw locking handle 433 is rotated, the eight claws 432 are pushed open by the eight-claw locking device 435, the eight claws 432 are closely attached to the crank shaft bearing cover, the crank shaft bearing cover is pulled out when the small support moves upwards, and the eight-claw rubber sleeve 434 arranged at the top end of the eight claws 432 can prevent the eight-claw mechanism 43 from damaging the inner hole of the crank shaft bearing cover 7 of the engine.
The utility model discloses a theory of operation: the crankshaft bearing cover of the engine is disassembled by utilizing a screw rod principle and an eight-claw mechanism.
Referring to fig. 5, the engine crankshaft bearing cap 7 can be pulled out by using the plastic expansion plug principle instead of the eight-claw mechanism 43.
Replacing the eight-claw mechanism 43 with a plastic expansion plug mechanism, and pulling out the engine crankshaft bearing cover 7; the plastic expansion plug mechanism comprises a rotary eight-claw locking handle 433, an expansion plug screw 437 and a plastic expansion plug 438;
the expansion plug screw 437, the eight-claw locking handle 433 and the eight-claw retainer ring 9 are of an integral structure, and the integral structure is connected with the small support vertical support 42 through the through hole 10.
The lower end of the small support vertical support 42 is hollow, the bottom end of the small support vertical support is provided with a unthreaded hole 10, an eight-claw retainer ring 9 is arranged inside the lower end of the small support vertical support 42, and the whole structure of the eight-claw retainer ring can freely rotate in the through hole 10. Due to the existence of the retainer ring 9, when the plastic screw 437 is rotated, the plastic expansion plug mechanism cannot fall off from the small support vertical support 42, so that the purpose of expanding the plastic expansion plug 438 is achieved.
Select the 7 bolt holes of engine crankshaft bearing cap are put into to the plastics bloated stopper 438 of suitable size, rotatory eight claws locking handle 433 makes bloated stopper screw 437 get into in the plastics bloated stopper 438, the plastics bloated stopper 438 opens and closes closely with engine crankshaft bearing cap bolt holes, pulls out engine crankshaft bearing cap, the advantage: the structure is simpler, more convenient than eight claw mechanisms, the shortcoming: the cost for purchasing a proper plastic expansion plug is high, and the universality is not strong.
Firstly, the distance between the small brackets 4 is adjusted according to the distance between the engine crankshaft bearing covers, the locking nuts 22 of the small brackets are loosened, the eight claws 432 are placed in bolt holes of the engine crankshaft bearing covers 7, the height and the width of the small brackets 4 are adjusted by the aid of the sliding channel grooves of the small bracket cross beams 41, and the locking nuts 22 of the small brackets are adjusted. Then according to 3 intervals of big support of cylinder body 6 width adjustment, loosen big support locking nut 21, utilize big support crossbeam 31 slide to change big support height and width, place base 5 on cylinder body 6, the big support locking nut 21 of locking is accomplished in the adjustment. And finally, opening the eight claws 432, screwing the T-shaped handle 11, and connecting the small bracket beam 41 with the lead screw 13 to safely and quickly pull up the engine crankshaft bearing cover 7.
Claims (4)
1. The utility model provides an engine crankshaft bearing cap extracting tool which characterized in that: mainly comprises a driving mechanism (1), a large bracket (3), a small bracket (4), an eight-claw mechanism (43) and a base (5);
the driving mechanism (1) consists of a T-shaped handle (11), a check ring (12) and a lead screw (13);
the large support (3) consists of a large support beam (31) and a large support vertical support (32), slide grooves are formed in two ends of the large support beam (31), and the large support vertical support (32) is locked by a large support locking nut (21);
the small support (4) consists of a small support beam (41) and a small support vertical support (42), slide way grooves are formed in two ends of the small support beam (41), and the small support vertical support (42) is locked by a small support locking nut (22);
the retainer ring (12) and the T-shaped handle (11) are fixed into a whole, the lead screw (13) penetrates through the large support cross beam (31), and the small support cross beam (41) is connected with the lead screw (13) through threads;
the large bracket (3) is placed on the cylinder body (6) through the base (5);
the lower end of the small support vertical support (42) is provided with an eight-claw mechanism (43).
2. The engine crankshaft bearing cap removal tool of claim 1, wherein:
the eight-claw mechanism (43) consists of a bearing (431), eight claws (432), an eight-claw locking handle (433), an eight-claw rubber sleeve (434), an eight-claw locking device (435) and an eight-claw cross arm (436); the eight-claw rubber sleeve (434) is fixed on an eight claw (432), the eight claw (432) is fixed on an eight-claw cross arm (436) through a bearing (431), the eight-claw cross arm (436) is connected with an eight-claw lock (435) through a screw mechanism, the eight claw (432) is opened or contracted by taking the bearing (431) as a shaft, an eight-claw lock handle (433) and the eight-claw lock (435) are integrated, the eight-claw lock (435) and an eight-claw retainer ring (9) are integrated, and the eight-claw lock (435) and the eight-claw retainer ring (9) are integrated and are connected with the small support vertical support (42) through a through hole (10).
3. The engine crankshaft bearing cap removal tool of claim 1, wherein:
the large support vertical support (32), the small support vertical support (42) and the eight-claw mechanism (43) are respectively arranged on the left and the right.
4. The engine crankshaft bearing cap removal tool of claim 1, wherein:
the plastic expansion plug mechanism replaces an eight-claw mechanism (43) to pull out the engine crankshaft bearing cover (7); the plastic expansion plug mechanism comprises a rotary eight-claw locking handle (433), an expansion plug screw (437) and a plastic expansion plug (438);
the expansion plug screw rod (437), the eight-claw locking handle (433) and the eight-claw retainer ring (9) are of an integral structure, and the integral structure is integrally connected with the small support vertical support (42) through the through hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376629.0U CN210819362U (en) | 2019-08-23 | 2019-08-23 | Engine crankshaft bearing cap extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376629.0U CN210819362U (en) | 2019-08-23 | 2019-08-23 | Engine crankshaft bearing cap extracting tool |
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| Publication Number | Publication Date |
|---|---|
| CN210819362U true CN210819362U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921376629.0U Active CN210819362U (en) | 2019-08-23 | 2019-08-23 | Engine crankshaft bearing cap extracting tool |
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| Country | Link |
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| CN (1) | CN210819362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123272A (en) * | 2020-10-19 | 2020-12-25 | 北京星际荣耀空间科技有限公司 | Centrifugal impeller disassembling tool |
| CN115502933A (en) * | 2022-10-12 | 2022-12-23 | 中船动力研究院有限公司 | Hydraulic main bearing cap dismounting tool and using method thereof |
-
2019
- 2019-08-23 CN CN201921376629.0U patent/CN210819362U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123272A (en) * | 2020-10-19 | 2020-12-25 | 北京星际荣耀空间科技有限公司 | Centrifugal impeller disassembling tool |
| CN115502933A (en) * | 2022-10-12 | 2022-12-23 | 中船动力研究院有限公司 | Hydraulic main bearing cap dismounting tool and using method thereof |
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