CN113263475A - Cylinder sleeve pulling-out device - Google Patents
Cylinder sleeve pulling-out device Download PDFInfo
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- CN113263475A CN113263475A CN202110611494.7A CN202110611494A CN113263475A CN 113263475 A CN113263475 A CN 113263475A CN 202110611494 A CN202110611494 A CN 202110611494A CN 113263475 A CN113263475 A CN 113263475A
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- pressing plate
- bolt
- pulling
- hole
- cylinder liner
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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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a cylinder sleeve pulling-out device which comprises a supporting part and a driving unit penetrating through the supporting part, wherein the driving unit comprises a knob part and a transmission bolt, and the pulling-out device is sleeved on the periphery of the lower end of the transmission bolt; the pulling-out device comprises an upper pressing plate, a lower pressing plate, expansion blocks and a rubber plate, wherein a plurality of expansion blocks surrounding the transmission bolt are arranged between the upper pressing plate and the lower pressing plate, a sliding groove is also formed in the middle of each expansion block, and a circle of annular rubber plate is arranged at the periphery of each expansion block in a fit mode; the middle position of the lower surface of the lower pressing plate is provided with a second groove, the shape of the second groove is matched with the shape of the head of the transmission bolt, the upper pressing plate, the lower pressing plate and the support frame are penetrated with a locking positioning column, and the locking positioning column penetrates through a sliding groove of the expansion block. The invention has the advantages of simple operation, convenience, labor saving, quick extraction and low noise, and can play a good role in protecting the extracted cylinder sleeve.
Description
Technical Field
The invention relates to the technical field of engine maintenance equipment, in particular to a cylinder sleeve pulling-out device.
Background
When the engine is maintained, part of the engine needs to dismantle and inspect the cylinder sleeve, and because no special cylinder sleeve extracting device is arranged, when the cylinder sleeve is extracted, tools such as a hammer, a crow bar and the like need to be manually used for knocking the end surface of the bottom of the cylinder sleeve, so that the cylinder sleeve is knocked out of a crankcase.
Patent (CN 212351850U) discloses a pulling tool for a composite cylinder head cylinder sleeve, which comprises a nut, a cone, two semicircular bodies, a flange body, an impact body and a screw. The lower part of the screw rod is provided with threads, and the upper part of the screw rod is provided with a knob part; the nut is screwed at the lowest end of the screw rod; the cone is sleeved on the screw rod in a mode that the cone tip is upward and is positioned above the nut; each semi-circular body is provided with a semi-conical hole with a conical tip upwards, the two semi-circular bodies are oppositely arranged on the cone through the semi-conical holes, each semi-circular body comprises two bolt holes, and the bolt holes are arranged on one side of a straight edge of each semi-circular body; the flange body is screwed on the screw rod and is positioned at the upper parts of the two semi-circular bodies; the impact body is sleeved on the screw rod and is positioned above the flange body. It can conveniently take out fast because the trouble cylinder liner that the fracture stayed in the cylinder cap blind hole, it mainly is to taking out of trouble cylinder liner, owing to be the condemned cylinder liner of trouble to, can not play fine guard action to the cylinder liner.
The patent (CN 112497143A) discloses a cylinder sleeve drawing device of a cylinder block with a special structure, which comprises a supporting plate, a supporting rod and a pull rod, wherein a thrust bearing is embedded in the middle of the supporting plate, a drawing nut is embedded in an inner ring of the thrust bearing, the top of the drawing nut extends out of the thrust bearing, a part of the drawing nut, which extends out of the thrust bearing, is sleeved with a rotating sleeve, the pull rod penetrates through the drawing nut, and a threaded structure is adopted above the pull rod; the supporting rod is detachably arranged below the supporting plate, the bottom of the pull rod is further sleeved with a locking piece used for locking a cylinder sleeve of the cylinder body, the device is suitable for maintaining the cylinder body, the cylinder sleeve of the cylinder can be directly pulled out through the device, the device is provided with a rotating external member, and the rotating external member replaces a wrench. But the cylinder sleeve can only be pulled out of the type of cylinder sleeve with two through ends of the mounting hole arranged in the machine body and exposed out of the bottom of the cylinder sleeve to be used for mounting a pulling-out tool hook. The cylinder sleeve arranged in the blind hole of the composite cylinder cover cannot be taken out. Moreover, the structure can not protect the pulled cylinder sleeve.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cylinder sleeve pulling device which is simple to operate, convenient and labor-saving, quick to pull out, low in noise and capable of well protecting a pulled out cylinder sleeve.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a cylinder sleeve pulling-out device comprises a supporting part and a driving unit penetrating through the supporting part, wherein the driving unit comprises a knob part and a transmission bolt, and the pulling-out device is sleeved on the periphery of the lower end of the transmission bolt;
the pulling-out device comprises an upper pressing plate, a lower pressing plate, expansion blocks and a rubber plate, wherein a plurality of expansion blocks surrounding a transmission bolt are arranged between the upper pressing plate and the lower pressing plate, a sliding groove is further formed in the middle of each expansion block, and a circle of annular rubber plate is arranged on the periphery of each expansion block in a fit mode; the middle position of the lower surface of the lower pressing plate is provided with a second groove, the shape of the second groove is matched with the shape of the head of the transmission bolt, and a locking positioning column penetrates through the upper pressing plate, the lower pressing plate and the supporting frame and penetrates through a sliding groove of the expansion block.
The technical scheme of the invention is further improved as follows: the supporting part is a supporting frame, a through hole is formed in the center of the upper surface of the supporting frame, and limiting holes which are bilaterally symmetrical relative to the through hole are further formed in the supporting frame; the upper pressing plate and the lower pressing plate are respectively provided with a small hole and a first groove corresponding to the position of the limiting hole, and the stop positioning column sequentially penetrates through the limiting hole, the small hole and the sliding groove and abuts against the bottom surface of the first groove.
The technical scheme of the invention is further improved as follows: the limiting holes and the stop positioning columns are two.
The technical scheme of the invention is further improved as follows: the driving unit comprises a transmission bolt serving as a driven driving part, a knob part serving as a driving part, an upper tightening part and an auxiliary part, and the upper end of the transmission bolt penetrates through the through hole and extends upwards; knob portion through the screw thread rotate install in drive bolt's upper end, and with support frame up end central point puts the laminating, the piece of going up is gland nut, gland nut pass through the screw thread rotate set up in drive bolt's middle part, the auxiliary member is the toper fore-set, just toper fore-set cover is located drive bolt's bottom.
The technical scheme of the invention is further improved as follows: the pulling-out device is arranged between the compression nut and the conical ejection column and is penetrated through by the transmission bolt.
The technical scheme of the invention is further improved as follows: the small holes and the first grooves are distributed on the upper pressing plate and the lower pressing plate in an annular array mode.
The technical scheme of the invention is further improved as follows: the expansion blocks are fan-shaped, a plurality of expansion blocks are enclosed to form a circle, and the sliding groove is a long strip-shaped sliding groove.
Due to the adoption of the technical scheme, the invention has the technical progress that:
the invention utilizes the friction force between the rubber plate and the inner wall of the cylinder sleeve to rapidly and nondestructively pull out the cylinder sleeve, improves the pulling-out efficiency, reduces the labor intensity and the noise and ensures the product quality of the cylinder sleeve.
The invention can realize the function of quick positioning by the stopping positioning columns, and because the number of the small holes and the number of the first grooves are four and the number of the stopping positioning columns is only two, the angle required to be adjusted is reduced during positioning, thereby improving the positioning efficiency.
The extracting device is arranged between the compression nut and the conical ejection column, so that the positioning effect of the extracting device can be guaranteed, the extracting device is prevented from moving up and down, and the extracting device is convenient to disassemble and simple to operate.
The expansion block is arranged in a fan shape and is surrounded to form a circular shape, so that the expansion block can be more uniform in tension to the periphery, the compression effect on the cylinder sleeve is convenient to achieve, and the cylinder sleeve is pulled out.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural view of the drive bolt of the present invention;
FIG. 3 is a schematic view of the construction of the lower platen of the present invention;
FIG. 4 is a schematic view of the structure of the rubber sheet of the present invention;
FIG. 5 is a schematic structural view of the upper platen of the present invention;
FIG. 6 is a schematic structural view of the compression nut of the present invention;
FIG. 7 is a schematic structural view of the stand of the present invention;
FIG. 8 is a schematic view of the stop post of the present invention;
FIG. 9 is a schematic view of the structure of the knob portion of the present invention;
FIG. 10 is a schematic view of the structure of the spreading block of the present invention;
FIG. 11 is a schematic structural view of a tapered jack post according to the present invention;
the device comprises a transmission bolt 1, a lower pressing plate 2, a rubber plate 3, an upper pressing plate 4, a pressing nut 5, a pressing nut 6, a supporting frame 7, a locking positioning column 8, a knob part 9, an expansion block 10, a conical top column 11, a through hole 12, a limiting hole 13, a small hole 14, a first groove 15, a sliding groove 16 and a second groove.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1, a cylinder sleeve pulling-out device comprises a supporting portion and a driving unit penetrating through the supporting portion, wherein the driving unit comprises a knob portion 8 and a transmission bolt 1, the knob portion 8 is used for driving the pulling-out device to perform corresponding actions and pulling out the compressed pulling-out device and the cylinder sleeve, and the pulling-out device is sleeved on the periphery of the lower end of the transmission bolt 1 and is mainly used for compressing the cylinder sleeve and playing a main pulling-out role;
the pulling-out device comprises an upper pressing plate 4, a lower pressing plate 2, expansion blocks 9 and rubber plates 3, wherein a plurality of expansion blocks 9 surrounding the transmission bolt 1 are arranged between the upper pressing plate 4 and the lower pressing plate 2, a sliding groove 15 is further arranged in the middle of each expansion block 9, and a circle of annular rubber plates 3 are arranged on the peripheries of the expansion blocks 9 in a fit mode; the middle position of the lower surface of the lower pressing plate 2 is provided with a second groove 16, the shape of the second groove 16 is matched with the shape of the head of the transmission bolt 1, a locking positioning column 7 penetrates through the upper pressing plate 4, the lower pressing plate 2 and the supporting frame 6, and the locking positioning column 7 penetrates through a sliding groove 15 of the expansion block 9.
Preferably, the supporting part is a supporting frame 6, a through hole 11 is formed in the center of the upper surface of the supporting frame 6, and limiting holes 12 which are symmetrical left and right relative to the through hole 11 are further formed in the supporting frame 6; the upper pressing plate 4 and the lower pressing plate 2 are respectively provided with a small hole 13 and a first groove 14 corresponding to the position of the limiting hole 12, and the stop positioning column 7 sequentially penetrates through the limiting hole 12, the small hole 13 and the sliding groove 15 and abuts against the bottom surface of the first groove 14.
Preferably, the limiting holes 12 and the locking positioning columns 7 are two, the locking positioning columns 7 can achieve the effect of rapid positioning, and the small holes 13 and the first grooves 14 are four, the locking positioning columns 7 are only two, so that the angle required to be adjusted is reduced when positioning is performed, and the positioning efficiency can be improved.
Preferably, the driving unit comprises a transmission bolt 1 as a driven driving member, a knob part 8 as a driving member, an upper fastening member and an auxiliary member, wherein the upper end of the transmission bolt 1 passes through the through hole 11 and extends upwards; knob portion 8 through the screw thread rotate install in drive bolt 1's upper end, and with 6 up end central point of support frame puts the laminating, the piece of going up is gland nut 5, gland nut 5 through the screw thread rotate set up in drive bolt 1's middle part, the auxiliary member is toper fore-set 10, just toper fore-set 10 covers is located drive bolt 1's bottom.
Preferably, the pulling-out device is arranged between the compression nut 5 and the conical support pillar 10 and is penetrated by the transmission bolt 1.
Preferably, the number of the small holes 13 and the number of the first grooves 14 are four, and the small holes are distributed on the upper pressing plate 4 and the lower pressing plate 2 in an annular array mode respectively, so that the angle required to be adjusted in positioning is reduced, and the positioning process is simpler and more convenient.
Preferably, the expansion blocks 9 are fan-shaped, a plurality of expansion blocks 9 form a circle in a surrounding manner, and the sliding groove 15 is a long strip-shaped sliding groove 15.
The working principle and the using method are as follows:
the bracket is placed on the installation surface of the cylinder sleeve of the crankcase, and the part below the compression nut 5 is placed in the cylinder sleeve. The compression nut 5 is screwed down, the head of the transmission bolt 1 can not rotate along with the compression nut 5 because the head is fixed by the groove at the bottom of the lower pressure plate 2, the compression nut 5 can rotate downwards along the screw rod of the transmission bolt 1, the compression nut 5 presses the upper pressure plate 4 to move downwards in the rotating process until the upper pressure plate 4 is contacted with the expanding block 9, because the support of the 9 bottom of the expansion block is the toper fore-set 10, along with the continuous downward displacement of top board 4, the expansion block 9 is forced to move around along the conical surface, until laminating with rubber slab 3 and crowding gradually and compel rubber slab 3 to outwards deform, along with rubber slab 3 deforms increasingly, rubber slab 3 outer edge and cylinder cap inner wall contact, continue to tighten gland nut 5, the frictional force between rubber slab 3 and the cylinder cap inner wall is also increasingly big, until reaching and can pulling out the cylinder liner, stop to tighten gland nut 5 this moment, extract locking reference column 7. Then the knob part 8 is rotated, and the transmission bolt 1 drives the cylinder sleeve to start moving upwards along with the rotation of the knob part 8 until the cylinder sleeve is completely pulled out.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides a cylinder liner extraction element, include the supporting part and run through in the drive unit of supporting part, drive unit includes knob portion (8) and driving bolt (1), and its characterized in that still includes: the pulling-out device is sleeved on the periphery of the lower end of the transmission bolt;
the pulling-out device comprises an upper pressing plate (4), a lower pressing plate (2), expansion blocks (9) and a rubber plate (3), wherein a plurality of expansion blocks (9) surrounding a transmission bolt (1) are arranged between the upper pressing plate (4) and the lower pressing plate (2), a sliding groove (15) is further formed in the middle of each expansion block (9), and a circle of annular rubber plate (3) is arranged on the periphery of each expansion block (9) in a fit mode; the lower surface intermediate position of holding down plate (2) is provided with second recess (16), and the shape of second recess (16) and the head shape phase-match of drive bolt (1), it has locking reference column (7) to run through on top board (4), holding down plate (2) and support frame (6), and passes locking reference column (7) spout (15) of the piece (9) that rises.
2. The cylinder liner extraction device of claim 1, wherein: the supporting part is a supporting frame (6), a through hole (11) is formed in the center of the upper surface of the supporting frame (6), and limiting holes (12) which are bilaterally symmetrical relative to the through hole (11) are further formed in the supporting frame (6); the upper pressing plate (4) and the lower pressing plate (2) are respectively provided with a small hole (13) and a first groove (14) corresponding to the position of the limiting hole (12), and the stop positioning column (7) sequentially penetrates through the limiting hole (12), the small hole (13), the sliding groove (15) and abuts against the bottom surface of the first groove (14).
3. The cylinder liner extraction device of claim 2, wherein: the number of the limiting holes (12) and the number of the stopping positioning columns (7) are two.
4. The cylinder liner extraction device of claim 1, wherein: the driving unit comprises a transmission bolt (1) serving as a driven driving part, a knob part (8) serving as a driving part, an upper fastening part and an auxiliary part, wherein the upper end of the transmission bolt (1) penetrates through the through hole (11) and extends upwards; knob portion (8) rotate through the screw thread install in the upper end of drive bolt (1), and with support frame (6) up end central point puts the laminating, it is gland nut (5) to go up the piece, gland nut (5) rotate through the screw thread set up in the middle part of drive bolt (1), the auxiliary member is toper fore-set (10), just toper fore-set (10) cover is located the bottom of drive bolt (1).
5. The cylinder liner extraction device of claim 4, wherein: the pulling-out device is arranged between the compression nut (5) and the conical support pillar (10) and is penetrated by the transmission bolt (1).
6. The cylinder liner extraction device of claim 1, wherein: the number of the small holes (13) and the number of the first grooves (14) are four, and the small holes are distributed on the upper pressing plate (4) and the lower pressing plate (2) in an annular array mode respectively.
7. The cylinder liner extraction device of claim 1, wherein: the expansion blocks (9) are fan-shaped, a plurality of expansion blocks (9) are enclosed to form a circle, and the sliding groove (15) is a long strip-shaped sliding groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110611494.7A CN113263475A (en) | 2021-06-02 | 2021-06-02 | Cylinder sleeve pulling-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110611494.7A CN113263475A (en) | 2021-06-02 | 2021-06-02 | Cylinder sleeve pulling-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113263475A true CN113263475A (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110611494.7A Pending CN113263475A (en) | 2021-06-02 | 2021-06-02 | Cylinder sleeve pulling-out device |
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| Country | Link |
|---|---|
| CN (1) | CN113263475A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829293A (en) * | 2021-09-03 | 2021-12-24 | 东风汽车股份有限公司 | Engine deep hole bowl-shaped plug pulling-out tool |
-
2021
- 2021-06-02 CN CN202110611494.7A patent/CN113263475A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829293A (en) * | 2021-09-03 | 2021-12-24 | 东风汽车股份有限公司 | Engine deep hole bowl-shaped plug pulling-out tool |
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