CN104493781A - Tool for pulling out cylinder sleeve of compressor - Google Patents
Tool for pulling out cylinder sleeve of compressor Download PDFInfo
- Publication number
- CN104493781A CN104493781A CN201410819292.1A CN201410819292A CN104493781A CN 104493781 A CN104493781 A CN 104493781A CN 201410819292 A CN201410819292 A CN 201410819292A CN 104493781 A CN104493781 A CN 104493781A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- pressing plate
- screw rod
- pull bar
- hole
- 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.)
- Pending
Links
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
- B25B27/02—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
- B25B27/06—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 inserting or withdrawing sleeves or bearing races
- B25B27/062—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 inserting or withdrawing sleeves or bearing races using screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a tool for pulling out a cylinder sleeve of a compressor. The tool comprises a pull rod, a pressing plate, a stop sleeve, an inner taper sleeve, a taper head, a plurality of first screw rods and a plurality of second screw rods, wherein the first screw rods are in threaded connection with the pressing plate, the second screw rods are in threaded connection with the pressing plate, a through hole is formed in the pressing plate, the pull rod penetrates through the through hole in the pressing plate, a threaded part and a sliding part are successively arranged on the pull rod from left to right, the pull rod and the taper head are connected in a demountable manner, a plurality of grooves are axially formed in the inner taper sleeve, a thrust bearing and a nut sleeve the threaded part of the pull rod, the pull rod penetrates through the stop sleeve, the stop sleeve comprises a baffle and a sleeve, a through hole communicated with the inner hole of the sleeve is formed in the baffle, and the outer diameter of the sleeve is smaller than that of the inner taper sleeve. The tool disclosed by the invention overcomes the difficulties that in the prior art, when the cylinder sleeve is replaced, a cylinder body is difficult to mount and align, the period is long and the processing cost is high.
Description
Technical field
The present invention relates to cylinder sleeve dismounting field, being specifically related to a kind of instrument for pulling out compressor cylinder sleeve.
Background technology
Compressor, is promoted to a kind of driven fluid machinery of gases at high pressure by low-pressure gas.It is the heart of refrigeration system, it sucks the refrigerant gas of low-temp low-pressure from air intake duct, after driving piston to compress it by motor rotation, the refrigerant gas of HTHP is discharged to blast pipe, for kind of refrigeration cycle provides power, thus realize the kind of refrigeration cycle of compression → condensation → expansion → evaporation.
Usual compressor is divided into high pressure stage compressor, medium pressure grade compressor and low-pressure stage compressor by the air pressure value provided.Wherein in high pressure stage compressor, piston cylinder adopts stairstepping cylinder sleeve.When needing after barrel wear to change, directly cylinder sleeve cannot be extracted from cylinder body, normally the cylinder sleeve boring that wearing and tearing occur being fallen or turning is fallen.But when turning cylinder sleeve, it is more difficult that centering installs cylinder body, and the process-cycle is long, and processing charges is high.
Summary of the invention
The technical problem to be solved in the present invention there is cylinder body when changing cylinder sleeve for prior art to install the difficult problem that centering is difficult, the cycle is long, processing cost is high, a kind of instrument for pulling out compressor cylinder sleeve is provided, dismounting cylinder sleeve speed is fast, and the feature that cost of use is low.
In order to solve the problems of the technologies described above, the invention provides following technical scheme: for pulling out the instrument of compression cylinder sleeve, comprise pull bar, pressing plate, stop sleeve, inner conical drogue, taper head, multiple first screw rod and multiple second screw rod, described first screw rod is threaded with pressing plate, described second screw rod is threaded with pressing plate, described pressing plate is provided with through hole, described pull bar is through the through hole on pressing plate, described pull bar is followed successively by threaded portion from left to right, smooth department, described pull bar and taper head removably connect, the axis of described inner conical drogue offers many grooves, the threaded portion of described pull bar is arranged with thrust bearing and nut, described pull bar is through stop sleeve, described stop sleeve comprises baffle plate and sleeve, baffle plate is provided with the through hole be communicated with the endoporus of sleeve, the external diameter of described sleeve is less than the external diameter of inner conical drogue, described first screw rod is less than the diameter of the baffle plate on stop sleeve with the diameter that the axial line of the through hole on pressing plate is the circumference at place, axle center, described second screw rod is greater than the diameter of the baffle plate on stop sleeve with the diameter that the axial line of the through hole on pressing plate is the circumference at place, axle center.
Adopt the instrument for pulling out compressor cylinder sleeve in this programme, comprise pull bar, pressing plate, stop sleeve, inner conical drogue, taper head, multiple first screw rod and multiple second screw rod, pull bar motion makes taper head extrude inner conical drogue, inner conical drogue is expanded, inner conical drogue and cylinder sleeve fit together, then pulling taper head, cylinder sleeve is extracted from cylinder body.Stop sleeve and taper head acting in conjunction extrude inner conical drogue, and inner conical drogue is expanded.First screw rod withstand stop sleeve avoid taper head extrude inner conical drogue time, stop sleeve ejects by inner conical drogue from cylinder sleeve.Second screw rod withstands cylinder body, and after facilitating inner conical drogue to be out of shape laminating cylinder sleeve, taper head promotes inner conical drogue, and inner conical drogue moves together with cylinder sleeve, and cylinder sleeve is extracted by final realization from cylinder body.
Operation principle of the present invention and beneficial effect are: when concrete this instrument of use, be inserted in cylinder sleeve, rotate the first screw rod and make the first screw rod against stop sleeve, rotate the pull bar with inner conical drogue and stop sleeve the second screw rod and the second screw rod is not contacted with cylinder body.Make thrust bearing against pressing plate with spanner rotating nut.Continuing rotating nut makes taper head move near the direction of inner conical drogue, makes taper head extrude inner conical drogue, inner conical drogue crimp is expanded in the acting in conjunction of stop sleeve and taper head, and inner conical drogue deformed dilation is fitted cylinder sleeve.Then rotate the first screw rod, make the first screw rod away from stop sleeve, rotate the second screw rod and make the second screw rod prop up cylinder body.Then rotating nut makes taper head move to the direction near pressing plate against inner conical drogue, and now because stop sleeve and the first screw rod have gap, therefore stop sleeve is released under the thrust of inner conical drogue from cylinder sleeve.Because inner conical drogue and cylinder sleeve fit tightly, when taper head moves to inner conical drogue, cylinder sleeve moves with inner conical drogue.Cylinder sleeve is extracted by final realization from cylinder body.
Adopt this instrument to carry out dismounting cylinder sleeve as can be seen here to remove for cylinder sleeve relative to prior art employing boring machine or lathe, simple to operate, cost of manufacture is low, and the dismounting cycle is short.
Further, the end of described first screw rod and the second screw rod is equipped with square clamp.Facilitate the rotation of the first screw rod and the second screw rod.
Further, lining is provided with in described thrust bearing.The silk tooth of pull bar in the process of rotating on pull bar is avoided to scratch thrust bearing.
Further, the screw thread of the threaded portion of pull bar is double thread.During nut rotation, pull bar moves comparatively fast.
Accompanying drawing explanation
Fig. 1 is that the present invention is for pulling out the structural representation of the device embodiment of compressor cylinder sleeve.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: pull bar 1, pressing plate 2, stop sleeve 3, inner conical drogue 4, taper head 5, first screw rod 6, second screw rod 7, thrust bearing 8, nut 9.
Embodiment is substantially as shown in Figure 1: for pulling out the instrument of compressor cylinder sleeve, comprise pull bar 1, pressing plate 2, stop sleeve 3, inner conical drogue 4, taper head 5, four the first screw rods 6 and four the second screw rods 7, first screw rod 6 is threaded with pressing plate 2, second screw rod 7 is threaded with pressing plate 2, pressing plate 2 is provided with through hole, and pull bar 1 is through the through hole on pressing plate 2.Four the first screw rods 6 and four the second screw rods 7 are evenly distributed on pressing plate 2 respectively.Pull bar 1 is followed successively by threaded portion, smooth department from left to right, and pull bar 1 is threaded with taper head 5, and the screw thread of the threaded portion of pull bar 1 is double thread.The axis of inner conical drogue 4 offers six grooves.A sheathed thrust bearing 8 and a nut 9 on the threaded portion of pull bar 1, pull bar 1 is through stop sleeve 3, stop sleeve 3 comprises baffle plate and sleeve, baffle plate is provided with the through hole be communicated with the endoporus of sleeve, the external diameter of sleeve is less than the external diameter of inner conical drogue 4, first screw rod 6 is less than the diameter of the baffle plate on stop sleeve 3 with the diameter that the axial line of the through hole on pressing plate 2 is the circumference at place, axle center, and the second screw rod 7 is greater than the diameter of the baffle plate on stop sleeve 3 with the diameter that the axial line of the through hole on pressing plate 2 is the circumference at place, axle center.The end of the first screw rod 6 and the second screw rod 7 is equipped with square clamp.Lining is provided with in thrust bearing 8.
In the specific implementation, the pull bar 1 with inner conical drogue 4 and stop sleeve 3 is inserted in cylinder sleeve, rotates the first screw rod 6 and make the first screw rod 6 against stop sleeve 3, rotate the second screw rod 7 and second screw rod 7 is not contacted with cylinder body.Make thrust bearing 8 against pressing plate 2 with spanner rotating nut 9.Continuing rotating nut 9 makes taper head 5 move near the direction of inner conical drogue 4, makes taper head 5 extrude inner conical drogue 4, inner conical drogue 4 crimp is expanded in the acting in conjunction of stop sleeve 3 and taper head 5, and inner conical drogue 4 deformed dilation is fitted cylinder sleeve.Then rotate the first screw rod 6, make the first screw rod 6 away from stop sleeve 3, rotate the second screw rod 7 and make the second screw rod 7 prop up cylinder body.Then rotating nut 9 makes taper head 5 move to the direction near pressing plate 2 against inner conical drogue 4, and now because stop sleeve 3 and the first screw rod 6 have gap, therefore stop sleeve 3 is released under the thrust of inner conical drogue 4 from cylinder sleeve.Because inner conical drogue 4 and cylinder sleeve fit tightly, when taper head 5 moves to inner conical drogue 4, cylinder sleeve moves with inner conical drogue 4.Cylinder sleeve is extracted by final realization from cylinder body.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect the practicality of effect of the invention process and invention.
Claims (4)
1. for pulling out the instrument of compressor cylinder sleeve, it is characterized in that: comprise pull bar, pressing plate, stop sleeve, inner conical drogue, taper head, multiple first screw rod and multiple second screw rod, described first screw rod is threaded with pressing plate, described second screw rod is threaded with pressing plate, described pressing plate is provided with through hole, described pull bar is through the through hole on pressing plate, described pull bar is followed successively by threaded portion from left to right, smooth department, described pull bar and taper head removably connect, the axis of described inner conical drogue offers many grooves, the threaded portion of described pull bar is arranged with thrust bearing and nut, described pull bar is through stop sleeve, described stop sleeve comprises baffle plate and sleeve, baffle plate is provided with the through hole be communicated with the endoporus of sleeve, the external diameter of described sleeve is less than the external diameter of inner conical drogue, described first screw rod is less than the diameter of the baffle plate on stop sleeve with the diameter that the axial line of the through hole on pressing plate is the circumference at place, axle center, described second screw rod is greater than the diameter of the baffle plate on stop sleeve with the diameter that the axial line of the through hole on pressing plate is the circumference at place, axle center.
2. the instrument for pulling out compressor cylinder sleeve according to claim 1, is characterized in that: the end of described first screw rod and the second screw rod is equipped with square clamp.
3. the instrument for pulling out compressor cylinder sleeve according to claim 2, is characterized in that: be provided with lining in described thrust bearing.
4. the instrument for pulling out compressor cylinder sleeve according to claim 3, is characterized in that: the screw thread of the threaded portion of pull bar is double thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819292.1A CN104493781A (en) | 2014-12-25 | 2014-12-25 | Tool for pulling out cylinder sleeve of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819292.1A CN104493781A (en) | 2014-12-25 | 2014-12-25 | Tool for pulling out cylinder sleeve of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104493781A true CN104493781A (en) | 2015-04-08 |
Family
ID=52935281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410819292.1A Pending CN104493781A (en) | 2014-12-25 | 2014-12-25 | Tool for pulling out cylinder sleeve of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104493781A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355722A (en) * | 2019-07-01 | 2019-10-22 | 中冶宝钢技术服务有限公司 | Bearing replacing device and its replacing options |
| CN112605940A (en) * | 2020-11-18 | 2021-04-06 | 扎赉诺尔煤业有限责任公司 | Sleeve joint type part non-damage detacher |
-
2014
- 2014-12-25 CN CN201410819292.1A patent/CN104493781A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355722A (en) * | 2019-07-01 | 2019-10-22 | 中冶宝钢技术服务有限公司 | Bearing replacing device and its replacing options |
| CN112605940A (en) * | 2020-11-18 | 2021-04-06 | 扎赉诺尔煤业有限责任公司 | Sleeve joint type part non-damage detacher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150408 |
|
| WD01 | Invention patent application deemed withdrawn after publication |