CN203792259U - Tool for disassembling crankshaft pulley of diesel engine - Google Patents
Tool for disassembling crankshaft pulley of diesel engine Download PDFInfo
- Publication number
- CN203792259U CN203792259U CN201420176955.8U CN201420176955U CN203792259U CN 203792259 U CN203792259 U CN 203792259U CN 201420176955 U CN201420176955 U CN 201420176955U CN 203792259 U CN203792259 U CN 203792259U
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- China
- Prior art keywords
- swivel nut
- pallet
- spindle nose
- tool
- thread
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- 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.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to a tool for disassembling a crankshaft pulley of a diesel engine. The tool comprises a handle, a tray, an upper screw sleeve, a lower screw sleeve, three claw hooks and a threaded rod. An inner hexagonal hole of the handle is correspondingly connected with a regular hexagonal body of the upper screw sleeve, and is arranged on the face of the tray. The upper end shaft head of the upper screw sleeve and the upper end shaft head of the lower screw sleeve are correspondingly in threaded connection into a circular hole of the tray. The middle section of the threaded rod is in threaded connection into a threaded hole of the upper screw sleeve, and a polish rod section at the tail of the threaded rod is vertically downward. The three claw hooks are uniformly distributed below the tray. Hook ends of hanging rings of the claw hooks are hinged to the interior of an orifice in the shape like a character ''lv'' of the tray, and the hook ends of the claw hooks fall naturally. When the tool is used for disassembling the crankshaft pulley, the side of the pulley is stressed uniformly, the crankshaft pulley is easy to disassemble, and the disassembled pulley is not damaged and can be used repeatedly. The tool has the advantages of small size, simple and convenient operation and good universality, the activity cost is reduced, the maintenance efficiency is improved, and the tool is a good helper for daily maintenance staff.
Description
Technical field
The utility model relates to a kind of tool special for dismounting, specifically a kind of for crank pulley of diesel engine extracting tool.
Background technology
Diesel engine is produced and in process, as run into, is changed bent axle after sale, tears gear wheel-train open, while changing the situations such as diesel engine Front oil seal, usually can relate to the dismounting problem of crank pulley thereupon.Crank pulley is difficult to dismounting following three reasons: the one, and belt pulley race is connected with bent axle and coordinates for interference fit; The 2nd, the contact-making surface connecting produces corrosion sometimes; The 3rd, crank pulley surrounding is surrounded by gear chamber cover, advancing device lid and transition cover respectively, and the withdrawal space of instrument is smaller.When workman dismantles crank pulley in the past, can only utilize pole class, iron hammer to knock crank pulley wheel flank, make its with bent axle disengaging after pull down, but do like this damage that usually can cause crank pulley, cause very large loss.
Utility model content
Belt pulley will guarantee that in unloading process the key on itself and bent axle and bent axle is injury-free, can reuse.For above requirement, the utility model provide a kind of very easily, easy operating for crank pulley of diesel engine extracting tool.
The purpose of this utility model is achieved by the following technical programs:
For a crank pulley of diesel engine extracting tool, comprise shake the hand 1, pallet 2, upper swivel nut 3, lower swivel nut 4, three claw hooks 5 and screw rods 6; 1 the root of shaking the hand is disc, and disc center is provided with inner hexagonal hole; Pallet 2 centers are provided with a circular hole, circumferential uniform three groups of Lu's word shape apertures of apportion radially in pallet 2 cards; Claw hook 5 is bar shaped reinforcing bar.One end of claw hook 5 is suspension ring hook, and the other end is crotch shape; The upper/lower terminal of upper swivel nut 3 is spindle nose, and middle part is hexahedron.The center of upper swivel nut 3 is provided with screwed hole, and the lower end spindle nose of upper swivel nut 3 is provided with external screw thread; The screwed hole size of upper swivel nut 3 is identical with the thread size of screw rod 6, and is left hand thread; The upper end of lower swivel nut 4 is spindle nose, and bottom is hexahedron.Lower swivel nut 4 centers are provided with through hole, and the spindle nose of lower swivel nut 4 upper ends is provided with internal thread.External screw thread on dimension of inner screw thread on lower swivel nut 4 spindle noses and upper swivel nut 3 lower end spindle noses is measure-alike, and is right-handed thread.The spindle nose external diameter of lower swivel nut 4 upper ends is less than pallet 2 circular hole internal diameter 2 ~ 3mm.The height dimension of lower swivel nut 4 upper end spindle noses is greater than the gauge 1 ~ 2mm of pallet 2; The corresponding connection of hexahedron of 1 inner hexagonal hole and upper swivel nut 3 of shaking the hand, and be arranged in the card of pallet 2.Upper swivel nut 3 lower end spindle noses are corresponding to be connected in the circular hole of pallet 2 with lower swivel nut 4 upper shaft head threads.The stage casing of screw rod 6 is threaded in the screwed hole of swivel nut 3, and the afterbody polished rod hypomere of screw rod 6 is vertical.Three claw hooks 5 are distributed on the below of pallet 2.The suspension ring hook end of claw hook 5 is hinged in Lu's word shape aperture of pallet 2, and the crotch end of claw hook 5 naturally droops.
Useful technique effect of the present utility model is embodied in following several aspect:
1. use the utility model when dismounting crankshaft belt pulley, belt pulley side is stressed evenly, and quick detachable, the belt pulley not damaged after dismounting is reusable;
2. the utlity model has that volume is little, easy and simple to handle, versatility is good, reduce operating cost, improved maintenance efficiency, is ordinary maintenance personnel's good assistant.
Accompanying drawing explanation
Fig. 1 is the utility model structure three-dimensional schematic diagram.
Fig. 2 is upper swivel nut schematic diagram.
Fig. 3 is lower swivel nut schematic diagram.
Fig. 4 is claw hook schematic diagram.
Fig. 5 is pallet schematic diagram.
Fig. 6 is the schematic diagram of shaking the hand.
Fig. 7 is crank pulley dismounting schematic diagram.
Sequence number in figure, 1 shakes the hand, swivel nut on 2 pallets, 3,4 times swivel nuts, 5 claw hooks, 6 screw rods, 7 crank pulleys, 8 bent axles.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, utility model is further described.
Referring to Fig. 1, a kind of for crank pulley of diesel engine extracting tool, comprise shake the hand 1, pallet 2, upper swivel nut 3, lower swivel nut 4, three claw hooks 5 and screw rods 6.
Referring to Fig. 6,1 the root of shaking the hand is disc, and disc center is provided with inner hexagonal hole.
Referring to Fig. 5, pallet 2 centers are provided with a circular hole, circumferential uniform three groups of Lu's word shape apertures of apportion radially in pallet 2 cards.
Referring to Fig. 4, claw hook 5 is bar shaped reinforcing bar.One end of claw hook 5 is suspension ring hook, and the other end is crotch shape.
Referring to Fig. 2, the upper/lower terminal of upper swivel nut 3 is spindle nose, and middle part is hexahedron.The center of upper swivel nut 3 is provided with screwed hole, and the lower end spindle nose of upper swivel nut 3 is provided with external screw thread.The screwed hole size of upper swivel nut 3 is identical with the thread size of screw rod 6, and is left hand thread.
Referring to Fig. 3, the upper end of lower swivel nut 4 is spindle nose, and bottom is hexahedron.Lower swivel nut 4 centers are provided with through hole, and the spindle nose of lower swivel nut 4 upper ends is provided with internal thread.External screw thread on dimension of inner screw thread on lower swivel nut 4 spindle noses and upper swivel nut 3 lower end spindle noses is measure-alike, and is right-handed thread.External screw thread on internal thread on described lower swivel nut 4 spindle noses and upper swivel nut 3 lower end spindle noses is designed to right-handed thread, screwed hole and screw rod 6 screw threads of the upper swivel nut 3 of main consideration are left hand thread, during work, upper swivel nut 3 is with 1 rotation of shaking the hand, and upper swivel nut 3 is that right-handed thread just connects and shakes the hand 1 direction of rotation with the disjunctor of lower swivel nut 4, therefore swivel nut 3 and the siamese part of lower swivel nut 4 can not be thrown off.The spindle nose external diameter of lower swivel nut 4 upper ends is less than pallet 2 circular hole internal diameter 2 ~ 3mm.The height dimension of described lower swivel nut 4 upper end spindle noses is greater than the gauge 1 ~ 2mm of pallet 2, the main displacement of considering to have controlled screw rod direction.
Referring to Fig. 1, the corresponding connection of hexahedron of shake the hand 1 inner hexagonal hole and upper swivel nut 3, and be arranged in the card of pallet 2.Upper swivel nut 3 lower end spindle noses are corresponding to be connected in the circular hole of pallet 2 with lower swivel nut 4 upper shaft head threads.The stage casing of screw rod 6 is threaded in the screwed hole of swivel nut 3, and the afterbody polished rod hypomere of screw rod 6 is vertical.Three claw hooks 5 are distributed on the below of pallet 2.The suspension ring hook end of claw hook 5 is hinged in Lu's word shape aperture of pallet 2, and the crotch end of claw hook 5 naturally droops.
Embodiment:
Referring to Fig. 7, during use, first the bolt of fastening crank pulley 7 is pulled down, then screw rod 6 is against on the end face of bent axle 8, clockwise rotates and shake the hand 1, make swivel nut 3 round screw rod 6, drive pallet 2 rotations to move down together with lower swivel nut 4, when moving down into the oblique hook of claw hook 5 crotch end and hook the madial wall at crankshaft belt pulley, and then shake and shake the hand 1 counterclockwise, make pallet 2 drive claw hooks 5 and crankshaft belt pulley one is the same moves, finally realize the dismounting of crankshaft belt pulley.
Claims (4)
1. for a crank pulley of diesel engine extracting tool, it is characterized in that: comprise shake the hand (1), pallet (2), upper swivel nut (3), lower swivel nut (4), three claw hooks (5) and screw rod (6);
The root of described shaking the hand (1) is disc, and disc center is provided with inner hexagonal hole;
Described pallet (2) center is provided with a circular hole, circumferential uniform three groups of Lu's word shape apertures of apportion radially in pallet (2) card;
Described claw hook (5) is bar shaped reinforcing bar; One end of claw hook (5) is suspension ring hook, and the other end is crotch shape;
The upper/lower terminal of described upper swivel nut (3) is spindle nose, and middle part is hexahedron; The center of upper swivel nut (3) is provided with screwed hole, and the lower end spindle nose of upper swivel nut (3) is provided with external screw thread;
The screwed hole size of described upper swivel nut (3) is identical with the thread size of screw rod (6), and is left hand thread;
The upper end of described lower swivel nut (4) is spindle nose, and bottom is hexahedron; Described lower swivel nut (4) center is provided with through hole, and the spindle nose of lower swivel nut (4) upper end is provided with internal thread;
The corresponding connection of hexahedron of the inner hexagonal hole of described shaking the hand (1) and upper swivel nut (3), and be arranged in the card of pallet (2); Described upper swivel nut (3) lower end spindle nose is corresponding to be connected in the circular hole of pallet (2) with lower swivel nut (4) upper shaft head thread; The stage casing of described screw rod (6) is threaded in the screwed hole of swivel nut (3), and the afterbody polished rod hypomere of screw rod (6) is vertical; Described three claw hooks (5) are distributed on the below of pallet (2); The suspension ring hook end of claw hook (5) is hinged in Lu's word shape aperture of pallet (2), and the crotch end of claw hook (5) naturally droops.
2. according to claim 1 a kind of for crank pulley of diesel engine extracting tool, it is characterized in that: the spindle nose external diameter of described lower swivel nut (4) upper end is less than pallet (2) circular hole internal diameter 2 ~ 3mm.
3. according to claim 1 a kind of for crank pulley of diesel engine extracting tool, it is characterized in that: the height dimension of described lower swivel nut (4) upper end spindle nose is greater than the gauge 1 ~ 2mm of pallet (2).
4. according to claim 1 a kind of for crank pulley of diesel engine extracting tool, it is characterized in that: the external screw thread on the dimension of inner screw thread on described lower swivel nut (4) spindle nose and upper swivel nut (3) lower end spindle nose is measure-alike, and is right-handed thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176955.8U CN203792259U (en) | 2014-04-14 | 2014-04-14 | Tool for disassembling crankshaft pulley of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176955.8U CN203792259U (en) | 2014-04-14 | 2014-04-14 | Tool for disassembling crankshaft pulley of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792259U true CN203792259U (en) | 2014-08-27 |
Family
ID=51374525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420176955.8U Expired - Fee Related CN203792259U (en) | 2014-04-14 | 2014-04-14 | Tool for disassembling crankshaft pulley of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894969A (en) * | 2014-04-14 | 2014-07-02 | 安徽全柴动力股份有限公司 | Tool for disassembling crankshaft belt pulley of diesel engine |
-
2014
- 2014-04-14 CN CN201420176955.8U patent/CN203792259U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894969A (en) * | 2014-04-14 | 2014-07-02 | 安徽全柴动力股份有限公司 | Tool for disassembling crankshaft belt pulley of diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20190414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |