CN216576407U - Hydraulic device for pulling out taper coupling - Google Patents
Hydraulic device for pulling out taper coupling Download PDFInfo
- Publication number
- CN216576407U CN216576407U CN202122971581.1U CN202122971581U CN216576407U CN 216576407 U CN216576407 U CN 216576407U CN 202122971581 U CN202122971581 U CN 202122971581U CN 216576407 U CN216576407 U CN 216576407U
- Authority
- CN
- China
- Prior art keywords
- taper
- oil
- hole
- hydraulic
- coupler
- 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
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to the technical field of coupler disassembly, in particular to a hydraulic device for pulling out a taper coupler. The taper coupler has the advantages that the structure is reasonable and compact, the use is convenient, when the taper coupler needs to be disassembled, hydraulic oil is injected into the oil unloading hole through the hydraulic disassembling device, the inner diameter of the taper coupler is expanded under the action of the hydraulic oil, the taper shaft connected with the taper coupler is reduced, the hydraulic oil is comprehensively distributed on the surface of the taper shaft through the annular oil groove, pressure is generated between the surfaces of the taper shaft, an oil film is generated, reaction force is generated between the taper shaft and the inner side of the taper coupler due to the taper at the matching position, so that the taper coupler can be automatically extruded out of the taper shaft, the surface of the taper coupler is not easy to be damaged due to disassembly, the service life of the taper coupler is prolonged, the replacement and maintenance time is greatly shortened, the user cost is reduced, and great economic benefits are brought to users.
Description
Technical Field
The utility model relates to the technical field of disassembling a coupler, in particular to a hydraulic device for pulling out a taper coupler.
Background
In the equipment maintenance process, often touch the shaft coupling that has the tapering, it and main shaft interference fit, this leads to dismantling very difficult and loaded down with trivial details, the dismantlement method commonly used at present has, firstly, heat the shaft coupling with the flame spray gun, be heated the inflation while the shaft coupling, it makes it drop from the axle by artifical striking the shaft coupling, the second kind, when removing the dismantlement with three-jaw puller, the degree of difficulty is bigger, because of the intensity of puller is limited, still often cause the damage to the outside of main shaft and shaft coupling, influence the life of equipment.
Disclosure of Invention
The utility model provides a hydraulic device for pulling out a taper coupler, which overcomes the defects of the prior art and can effectively solve the problems that a main shaft and a coupler are easy to damage, the coupler is difficult to disassemble and the like in the conventional coupler disassembly.
The technical scheme of the utility model is realized by the following measures: the utility model provides a pull out hydraulic means of tapering shaft coupling, including the tapering shaft coupling, hydraulic pressure dismounting device and the lower part outside have the taper shaft of big-end-up's little conical surface, taper shaft lower part outside cover is equipped with the tapering shaft coupling, tapering shaft coupling lower extreme seal mounting have and with the fixed preforming of taper shaft lower extreme, tapering shaft coupling middle part inside wall is equipped with vertical oil groove of leading, tapering shaft coupling lower part inside wall is equipped with the annular oil groove that leads oil groove lower extreme intercommunication with vertical along circumference, tapering shaft coupling upper portion outside is equipped with the oil filler point that leads oil groove upper end intercommunication with vertical, the hydraulic pressure dismounting device who is used for dismantling the tapering shaft coupling of corresponding taper shaft coupling upper portion outside demountable installation of oil filler point position.
The following are further optimization or/and improvement on the technical scheme of the utility model:
the hydraulic dismounting device can comprise a one-way valve, an oil cylinder, a plunger and a pressing cap, wherein the outlet end of the one-way valve is fixedly communicated with the oil injection hole in a sealing manner, the inlet end of the one-way valve is fixedly communicated with the oil cylinder in a sealing manner, the plunger on the right side of the oil cylinder is sleeved in the oil cylinder in a sealing manner, and the pressing cap which is abutted against the right end of the plunger is screwed on the outer side of the oil cylinder.
Above-mentioned check valve can include valve body, spring, annular spring holder and valve ball, and the valve body left end spiro union is in the oiling hole, and inside the valve body is equipped with first through-hole, second through-hole and the third through-hole that mutual intercommunication and internal diameter increase progressively from the right side to a left side in proper order, installs annular spring holder in the third through-hole, and annular spring holder right side is equipped with the spring that makes valve ball and the sealed contact of first through-hole left end, and the first through-hole left end is equipped with the chamfer.
The valve body and the oil cylinder can be integrally formed, a first dismounting section with a polygonal outer wall section is arranged on the outer side of the middle of the valve body, and the inner diameter of the oil cylinder is larger than that of the first through hole.
The right part of the pressing cap can be provided with a second disassembling section, and the section of the outer side wall of the second disassembling section is polygonal.
The utility model has reasonable and compact structure and convenient use, when the taper coupler needs to be disassembled, the pressing sheet is disassembled firstly, then hydraulic oil is injected into the oil unloading hole through the hydraulic disassembling device, after the hydraulic oil is injected between the disassembled taper coupler and the contact surface of the taper shaft, the inner diameter of the taper coupler is expanded under the action of the hydraulic oil, the taper shaft connected with the taper coupler is reduced, the hydraulic oil is comprehensively distributed on the surface of the taper shaft through the annular oil groove, pressure is generated between the surfaces of the taper shafts and an oil film is generated, and the taper shaft and the inner side of the taper coupler can generate reaction force due to the taper at the matching part, so that the taper coupler can be automatically extruded out of the taper shaft, and the utility model has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Drawings
FIG. 1 is an exploded perspective view of the preferred embodiment of the present invention.
FIG. 2 is a schematic sectional view of the check valve and the cylinder.
Fig. 3 is a front sectional structural schematic view of the taper coupling.
The codes in the figures are respectively: 1 is the taper shaft, 2 is the taper coupling, 3 is the preforming, 4 is the second through-hole, 5 is the oil filler point, 6 is vertical oil groove of leading, 7 is annular oil groove, 8 is the hydro-cylinder, 9 is the plunger, 10 is the pressure cap, 11 is the valve body, 12 is the spring, 13 is the annular spring holder, 14 is the valve ball, 15 is first through-hole, 16 is first dismantlement section, 17 is the second dismantlement section.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The utility model is further described with reference to the following examples and figures:
as shown in the attached drawing 1, 2, this hydraulic means who extracts tapered coupling includes tapered coupling 2, hydraulic pressure dismounting device and the lower part outside have the taper shaft 1 of big-end-up's little conical surface, 1 lower part outside cover of taper shaft is equipped with tapered coupling 2, 2 lower extreme seal installations of tapered coupling have and with 1 fixed preforming 3 of taper shaft lower extreme, 2 middle part inside walls of tapered coupling are equipped with vertical oil groove 6 of leading, 2 lower part inside walls of tapered coupling are equipped with the annular oil groove 7 with vertical oil groove 6 lower extreme intercommunication of leading along circumference, 2 upper portion outsides of tapered coupling are equipped with the oil filler point 5 with vertical oil groove 6 upper end intercommunication of leading, 2 upper portion outsides demountable installation of tapered coupling that correspond the 5 positions of oil filler point have the hydraulic pressure dismounting device who is used for dismantling tapered coupling 2.
In the use, when needing to dismantle tapering coupling 2, dismantle preforming 3 earlier, then pour into hydraulic oil through hydraulic pressure dismounting device to the inside of oil discharge hole, after pouring into hydraulic oil between the contact surface of the tapering coupling 2 of being dismantled and awl 1, under the effect of hydraulic oil, the internal diameter of tapering coupling 2 rises, awl 1 of being connected reduces, hydraulic oil distributes 1 surfaces of awl through annular oil groove 7 comprehensively, produce pressure and produce the oil film between awl 1 surfaces, because the cooperation department has the tapering, awl 1 and tapering coupling 2 inboard can produce the reaction force, tapering coupling 2 can be automatic extrudeed from awl 1 like this, wherein preforming 3 increases tapering coupling 2 and the connection steadiness of awl 1.
The hydraulic device for pulling out the taper coupling can be further optimized or/and improved according to actual needs:
as shown in the attached drawings 1 and 2, the hydraulic dismounting device of the hydraulic dismounting device comprises a one-way valve, an oil cylinder 8, a plunger 9 and a pressing cap 10, wherein the outlet end of the one-way valve is fixedly communicated with the oil injection hole 5 in a sealing manner, the inlet end of the one-way valve is fixedly communicated with the oil cylinder 8 in a sealing manner, the plunger 9 positioned on the right side of the oil cylinder 8 is arranged in the oil cylinder 8 in a sealing manner, and the pressing cap 10 abutted against the right end of the plunger 9 is screwed on the outer side of the oil cylinder 8.
In the use, when dismantling taper coupling 2, connect the exit end of check valve in oil filler point 5 earlier, then inject into 46# wear-resistant hydraulic oil of about 10ml of oil mass into hydro-cylinder 8, insert plunger 9 in hydro-cylinder 8 again, the depth of putting is about half of plunger 9 length, and guarantee the close fit on plunger 9 and cylinder body surface, it is smooth unimpeded (the surface roughness of plunger 9 and cylinder body all is Ra0.4 ~ 0.8 mu m, cooperation clearance 0.01 mm), then, rotatory pressure cap 10, progressively move plunger 9 forward, then plunger 9 promotes the hydraulic oil in the hydro-cylinder 8, enter into oil filler point 5 through the check valve, hydraulic oil enters into the vertical oil groove of coupling again through oil filler point 5, follow closely the leading-in annular oil groove 7 of the oil in the vertical oil groove, wherein, the check valve prevents reverse outflow of hydraulic oil.
As shown in fig. 1 and 2, the check valve comprises a valve body 11, a spring 12, an annular spring seat 13 and a valve ball 14, the left end of the valve body 11 is screwed in the oil filling hole 5, a first through hole 15, a second through hole 164 and a third through hole which are communicated with each other and have gradually increasing inner diameters are sequentially arranged in the valve body 11 from right to left, the annular spring seat 13 is installed in the third through hole, the spring 12 which enables the valve ball 14 to be in sealing contact with the left end of the first through hole 15 is arranged on the right side of the annular spring seat 13, and a chamfer is arranged at the left end of the first through hole 15.
In the using process, after the hydraulic oil enters the first through hole 15, the valve ball 14 is pushed to move towards the outlet of the one-way valve, at the moment, because the outer diameter of the valve ball 14 is smaller than that of the second through hole 4, the hydraulic oil can flow into the second through hole 4 from the first through hole 15 and finally flows into the oil filling hole 5, the spring 12 has the function of resetting to enable the valve ball 14 to block the first through hole 15, and therefore the one-way valve can be reused.
As shown in fig. 1 and 2, the valve body 11 and the oil cylinder 8 are integrally formed, a second disassembling section 16 with a polygonal outer wall section is arranged on the outer side of the middle part of the valve body 11, and the inner diameter of the oil cylinder 8 is larger than that of the first through hole 15.
According to requirements, the outer side wall of the second disassembling section 16 is quadrilateral or hexagonal, and the like, so that the second disassembling section can be conveniently assembled or disassembled by a wrench. In the use, valve body 11 and hydro-cylinder 8 are integrated into one piece, and the structure is simpler, and convenient to use because the 8 internal diameters of hydro-cylinder are greater than 15 internal diameters of first through-hole, form oil pressure differential, can be more relaxed with hydraulic oil injection tapering shaft coupling 2 in to the tapering shaft coupling 2 in generate the oil pressure, final convenient to detach tapering shaft coupling 2.
As shown in the attached figures 1 and 2, the right part of the gland 10 is provided with a first disassembling section 17, and the section of the outer side wall of the first disassembling section 17 is polygonal.
The outer side wall of the first dismounting section 17 is quadrilateral or hexagonal, etc. according to requirements. In the using process, the wrench is convenient to mount or dismount.
The use process of the best embodiment of the utility model is as follows:
the first step is as follows: when the coupler is disassembled, the outlet end of the one-way valve is screwed in the oil filling hole 5;
the second step is that: injecting 46# anti-wear hydraulic oil with the oil quantity of about 10ml into the oil cylinder 8;
the third step: inserting a plunger 9 into the oil cylinder 8, wherein the placing depth is about half of the length of the plunger 9, and the plunger 9 is ensured to be tightly matched with the surface of the cylinder body and is smooth and unimpeded (the roughness of the surfaces of the plunger 9 and the cylinder body is Ra0.4-0.8 mu m, and the matching gap is 0.01 mm);
the fourth step: gradually screwing the pressing cap 10, gradually moving the plunger 9 forwards, then pushing hydraulic oil in the oil cylinder 8 by the plunger 9, entering the oil filling hole 5 through the one-way valve, enabling the hydraulic oil to enter the vertical oil groove of the coupler through the oil filling hole 5, and leading the oil in the vertical oil groove into the annular oil groove 7;
the fifth step: unscrewing the pressing cap 10, taking out the plunger 9, and repeating the second step and the third step in sequence until the taper coupling 2 is separated from the taper shaft 1;
the working principle is as follows: the vertical oil guide groove 6 and the annular oil groove 7 are filled with oil, so that the oil pressure of hydraulic oil is increased, under the action of continuous injection of high-pressure oil (up to 300 MPa), the interior of the taper coupler 2 is expanded, the taper shaft 1 connected with the taper coupler is reduced, the high-pressure oil is comprehensively distributed on the surface of the taper shaft 1 through the annular oil groove 7, pressure is generated between the surfaces of the taper shafts 1, an oil film is generated, reaction force is generated in the taper shaft 1 and the taper coupler 2 due to the taper at the matching position, so that the taper coupler 2 can be automatically extruded out of the taper shaft 1, the disassembly of the taper coupler is more convenient and easy, the surface of the taper coupler 2 is not easily damaged by the disassembly mode, the performance reduction of the taper shaft 1 and the taper coupler 2 is not caused, the service life of the taper coupler 2 is prolonged, and the disassembly mode has the advantages of simple structure, convenient manufacture, reliable work, simple assembly and disassembly and convenient maintenance, therefore, the replacement and maintenance time is greatly reduced, the cost of a user is reduced, and great economic benefits can be brought to the user.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (5)
1. The utility model provides a draw out hydraulic means of tapering shaft coupling, its characterized in that includes the tapering shaft coupling, hydraulic pressure dismounting device and the lower part outside have the taper shaft of big-end-up's little conical surface, taper shaft lower part outside cover is equipped with the tapering shaft coupling, tapering shaft lower extreme seal mounting have and with the fixed preforming of taper shaft lower extreme, tapering shaft coupling middle part inside wall is equipped with vertical oil groove of leading, tapering shaft coupling lower part inside wall is equipped with the annular oil groove that leads oil groove lower extreme intercommunication with vertical along circumference, tapering shaft coupling upper portion outside is equipped with the oil filler point with vertical oil groove upper end intercommunication of leading, the tapering shaft coupling upper portion outside demountable installation that corresponds the oil filler point position has the hydraulic pressure dismounting device who is used for dismantling the tapering shaft coupling.
2. The hydraulic device for pulling out the taper coupling according to claim 1, wherein the hydraulic dismounting device comprises a check valve, an oil cylinder, a plunger and a pressing cap, an outlet end of the check valve is fixedly communicated with the oil injection hole in a sealing manner, an inlet end of the check valve is fixedly communicated with the oil cylinder in a sealing manner, the plunger is arranged on the right side of the oil cylinder in a sealing manner, and the pressing cap abutting against the right end of the plunger is screwed on the outer side of the oil cylinder.
3. The hydraulic device for pulling out the taper coupling according to claim 2, wherein the check valve comprises a valve body, a spring, an annular spring seat and a ball, the left end of the valve body is screwed into the oil injection hole, a first through hole, a second through hole and a third through hole which are communicated with each other and have gradually increasing inner diameters are sequentially formed in the valve body from right to left, the annular spring seat is installed in the third through hole, the spring which enables the ball to be in sealing contact with the left end of the first through hole is arranged on the right side of the annular spring seat, and a chamfer is arranged at the left end of the first through hole.
4. The hydraulic device for pulling out the taper coupling according to claim 3, wherein the valve body and the oil cylinder are integrally formed, a second disassembling section with a polygonal outer wall section is arranged outside the middle part of the valve body, and the inner diameter of the oil cylinder is larger than that of the first through hole.
5. The hydraulic device for pulling out the taper coupling according to claim 2, 3 or 4, wherein the right part of the pressing cap is provided with a second detachable section, and the section of the outer side wall of the second detachable section is polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971581.1U CN216576407U (en) | 2021-11-30 | 2021-11-30 | Hydraulic device for pulling out taper coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971581.1U CN216576407U (en) | 2021-11-30 | 2021-11-30 | Hydraulic device for pulling out taper coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216576407U true CN216576407U (en) | 2022-05-24 |
Family
ID=81650438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122971581.1U Active CN216576407U (en) | 2021-11-30 | 2021-11-30 | Hydraulic device for pulling out taper coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216576407U (en) |
-
2021
- 2021-11-30 CN CN202122971581.1U patent/CN216576407U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105156813B (en) | A kind of oil pipe quick connector and its installation, method for dismounting | |
| CN216576407U (en) | Hydraulic device for pulling out taper coupling | |
| CN103624523A (en) | Axle and gear assembly and disassembly tooling and method | |
| CN102734025B (en) | Fluid ejection apparatus | |
| CN202301587U (en) | Clutch booster with cleaning function | |
| CN217683352U (en) | Two-seal spherical high-strength hot-forged-steel all-welded ball valve | |
| CN101862951B (en) | Assembling and disassembling device and method of camshaft shock absorber flange of marine low-speed diesel engine | |
| CN205350122U (en) | Elastic sleeve column pin coupler | |
| CN210908852U (en) | Press mounting device for coupler | |
| CN211115927U (en) | Uninterrupted plunger water drainage and gas production device | |
| CN212069164U (en) | Flotation column micro-bubble gun disc type inner edge sealing and locking mechanism | |
| CN201344011Y (en) | Blowout preventer quick-connection device | |
| CN216198017U (en) | Oil well multifunctional oil nozzle regulator and oil well oil nozzle regulator group | |
| CN201513267U (en) | Double oil outlet valve pair assembly | |
| CN201083302Y (en) | Air admission quick coupling for pneumatic tool | |
| CN214162834U (en) | Bearing taper sleeve dismounting device | |
| CN207495393U (en) | A kind of fuel injector internal valve components plunger installation tool | |
| CN218972096U (en) | Quick connector for fluid pipeline | |
| CN220574517U (en) | Flaring die for metal straight pipe | |
| CN216403686U (en) | Self-locking hydraulic jack | |
| CN214604111U (en) | Horizontal dismouting frock of pulley shaft bearing assembly | |
| CN214924042U (en) | Big bearing dismantles frock | |
| RU33892U1 (en) | HYDRAULIC UNIT FOR DISASSEMBLY OF PARTS | |
| CN220396842U (en) | Rubber tube assembly of hydraulic system | |
| CN217081541U (en) | One-way valve for spraying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |