CN205715320U - The attachment structure of compressor crank shaft and line shaft and extracting tool thereof - Google Patents
The attachment structure of compressor crank shaft and line shaft and extracting tool thereof Download PDFInfo
- Publication number
- CN205715320U CN205715320U CN201620391278.0U CN201620391278U CN205715320U CN 205715320 U CN205715320 U CN 205715320U CN 201620391278 U CN201620391278 U CN 201620391278U CN 205715320 U CN205715320 U CN 205715320U
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- wheel hub
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Abstract
The utility model discloses a kind of compressor crank shaft and the attachment structure of line shaft and extracting tool thereof, attachment structure includes: bent axle, and its one end has the crankshaft end conical surface, and the end of the crankshaft end conical surface is provided with the end of thread；Shaft coupling wheel hub, is provided with first through hole and second through hole, the crankshaft end conical surface and the first through hole interference fit, and the end of thread inserts in the second through hole；Stop nut, it is threadeded with the end of thread, and is positioned in the second through hole；Shaft coupling, it is detachably connected with shaft coupling wheel hub；Line shaft, it is detachably connected with shaft coupling.Its extracting tool includes: starts steel plate, it is arranged at intervals with multiple 3rd screw hole and the 4th screwed hole, is provided with screw in the 4th screwed hole；Hydraulic pump, its port of export is connected with conical inner screw thread hole.Attachment structure of the present utility model is simple, reliably, makes bent axle be prone to processing, thus ensure that the integrity of bent axle, and extracting tool simple in construction, it is easy to operation.
Description
Technical field
This utility model relates to a kind of attachment structure and extracting tool thereof.More specifically, this utility model relates to a kind of compression
The attachment structure of machine crankshaft and line shaft and extracting tool thereof.
Background technology
Along with domestic and international oil gas high-pressure delivery pipeline, large-scale deposit ground the coming into operation of storehouse, large reciprocating compressor obtains
Wider application.Bent axle is the power transmission critical component of reciprocating compressor, and power is transmitted by extrinsic motive by bent axle
To compressor, bent axle drives connecting rod mounted thereto, gyration is converted into reciprocating motion, thus realizes piston compression
The work of machine.For the requirement meeting large-scale, heavy-duty reciprocating compressor design, manufacture and use, designer is generally to song
The type of attachment of axle power intake compares concern, because bent axle power intake is to be converted by the kinetic energy of electromotor (motor)
For the rotary motion of bent axle and then be converted into gas kinetic energy and the key structure of interior energy, the reasonability of its structure design directly determines
Compressor can run by safety and steady.
At present, compressor crank shaft power intake is more, for large reciprocating compressor with the attachment structure kind of power end
The type of attachment of main employing is: (1) bent axle entirety forges ring flange.Due to bigger forging ratio, Forging Technology is complicated,
Difficulty is big, crackle easily occurs, affect performance at changes of section.(2) bonded, relatively it is suitable for baby compressor, defect
It is processing inconvenience, and destroys the structural intergrity of bent axle itself so that it is intensity reduces.
Utility model content
The purpose of this utility model is to provide a kind of compressor crank shaft and the attachment structure of line shaft and extracting tool thereof, and this connects
Simple in construction, reliably, makes bent axle be prone to processing, thus ensure that the integrity of bent axle, and extracting tool simple in construction, easily
In operation.
In order to realize according to these purposes of the present utility model and further advantage, it is provided that a kind of compressor crank shaft and line shaft
Attachment structure, including:
Bent axle, its one end have one from edge the centroclinal crankshaft end conical surface, the end of the described crankshaft end conical surface is provided with
One end of thread；
Shaft coupling wheel hub, is provided with first through hole and second through hole, and described first through hole and described second leads to
Described shaft coupling wheel hub, the described crankshaft end conical surface and described first through hole interference fit are run through in hole, and the described end of thread inserts described
In second through hole；
Stop nut, it is threadeded with the described end of thread, and is positioned in described second through hole, the size of described stop nut
The size of one end less more than diameter on the described crankshaft end conical surface；
Shaft coupling, it is detachably connected with described shaft coupling wheel hub；
Line shaft, it is detachably connected with described shaft coupling.
Preferably, described compressor crank shaft is with the attachment structure of line shaft, and described shaft coupling wheel hub is by integrated
Part I and Part II composition, described Part I and described Part II are cylindrical, and dead in line, institute
State the diameter diameter less than described Part II of Part I, described shaft coupling wheel hub is provided with along its axis direction described
First through hole and described second through hole.
Preferably, in the attachment structure of described compressor crank shaft and line shaft, described shaft coupling and described shaft coupling wheel hub
Detachably connected concrete mode is:
Being arranged at intervals with multiple first screw hole along its circumferencial direction on described Part II, described first screw hole is along described
The axis direction of axial organ wheel hub is arranged, and does not passes through described Part I, described shaft coupling is arranged at intervals with multiple and described
The second screw hole that first screw hole is relative, is provided with one between each first screw hole and the second screw hole corresponding thereto
Screw, this screw is provided with nut.
Preferably, described compressor crank shaft, with the attachment structure of line shaft, the sidewall of described Part I is provided with
One conical inner screw thread hole and an annular groove, described conical inner screw thread hole connects with described annular groove, the first through hole described in described annular groove ring
Arrange, and connect with described first through hole.
A kind of extracting tool of the attachment structure of compressor crank shaft and line shaft, including:
Start steel plate, it is arranged at intervals with the 3rd screw hole that multiple and described first screw hole is relative, each described first
It is provided with a screw between screw hole and the 3rd screw hole corresponding thereto, this screw is provided with nut, described starting steel
It is provided with fourth screwed hole relative with the described end of thread on plate, described 4th screwed hole is provided with a screw, should
Screw is threaded connection with described 4th screwed hole；
Hydraulic pump, its port of export connects with described conical inner screw thread hole, for pumping into hydraulic oil in annular groove.
A kind of extracting tool of the attachment structure of compressor crank shaft and line shaft, including:
Start steel plate, it is arranged at intervals with the 3rd screw hole that multiple and described first screw hole is relative, each described first
It is provided with a screw between screw hole and the 3rd screw hole corresponding thereto, described starting steel plate is provided with one and described spiral shell
The 4th screwed hole that stricture of vagina end is relative, is provided with screw in described 4th screwed hole；
Hydraulic pump, its port of export connects with described conical inner screw thread hole, for pumping into hydraulic oil in annular groove.
This utility model at least includes following beneficial effect:
Use attachment structure of the present utility model, bent axle is not required to arrange connection keyway, it is ensured that the integrity of bent axle, increase
Its strength and stiffness strong.
Use attachment structure of the present utility model, forge ring flange owing to need not entirety, simplify bent axle power intake
Processing technique.
Using attachment structure of the present utility model, centering precision is good, can bear torque, axial force or load that both are combined.
Use attachment structure of the present utility model, by making bent axle bearing capacity big, reliably the accurately control of value of interference fit
Property high, work that also can be relatively reliable under shock and vibration load.
When using extracting tool of the present utility model to dismantle, make starting steel plate match with hydraulic pump, utilize liquid in annular groove
The axial force that force feed high pressure and starting steel plate apply makes shaft coupling wheel hub come off from compressor crank shaft end cone face, will not damage song
Axle power intake, simultaneously because the setting of stop nut, prevents shaft coupling wheel hub from ejecting when taking off the crankshaft end conical surface.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will be by this
Research and the practice of utility model and be understood by the person skilled in the art.
Accompanying drawing explanation
Fig. 1 is the structural representation of one end of bent axle described in the utility model；
Fig. 2 is the structural representation of shaft coupling wheel hub described in the utility model；
Fig. 3 is the one end schematic diagram with the attachment structure of shaft coupling wheel hub of bent axle described in the utility model；
Fig. 4 is the schematic diagram of bent axle described in the utility model and the attachment structure of line shaft；
Fig. 5 is the schematic diagram of one end of bent axle described in the utility model, shaft coupling wheel hub and the attachment structure starting steel plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art with reference to description literary composition
Word can be implemented according to this.
It should be noted that in description of the present utility model, term " laterally ", " longitudinally ", " on ", D score, " front ",
Orientation or the position of the instruction such as " afterwards ", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " are closed
System, for based on orientation shown in the drawings or position relationship, is for only for ease of description this utility model and simplification describes, be not
Instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as restriction of the present utility model.
As shown in Figures 1 to 5, this utility model provides the attachment structure of a kind of compressor crank shaft and line shaft, including:
Bent axle 100, its one end has one, and from edge, the centroclinal crankshaft end conical surface 101, i.e. bent axle power intake are
Truncated cone-shaped, and end diameter is less, the end of the described crankshaft end conical surface 101 is provided with an end of thread 102；
Shaft coupling wheel hub 120, is provided with one first through hole 121 and one second through hole 122, described first through hole 121
Described shaft coupling wheel hub 120, the described crankshaft end conical surface 101 and described first through hole 121 is run through with described second through hole 122
Interference fit, the described end of thread 102 inserts in described second through hole 122；
Stop nut 130, it is threadeded with the described end of thread 102, and is positioned in described second through hole 122, described anti-
The size of pine nut 130 is more than the size of one end that diameter is less on the described crankshaft end conical surface 101；Stop nut 130 is set
Act the protective action preventing interference fit to lose efficacy.Stop nut can be locking round nut, now, and the cylindrical of locking round nut
The diameter of one end that diameter is less more than diameter on the described crankshaft end conical surface.Other enforcement sample can also be taked according to actual needs
State.
Shaft coupling 140, it is detachably connected with described shaft coupling wheel hub 120；
Line shaft 150, it is detachably connected with described shaft coupling 140.
This utility model in use, by the crankshaft end conical surface 101 and the first through hole 121 interference fit, then by the end of thread
102 threaded with stop nut 130, can be attached with shaft coupling wheel hub 120 by bent axle power intake, then will
Shaft coupling 140 is attached with shaft coupling wheel hub 120, is finally attached with line shaft 150 by shaft coupling 140.
Bent axle power intake and shaft coupling wheel hub 120 are attached method particularly includes: by shaft coupling under a, room temperature
Wheel hub 120 is placed on the crankshaft end conical surface 101.
B, promote shaft coupling wheel hub 120 to the crankshaft end conical surface 101 as much as possible, to compress issuable any gap.
C, use some shim liners fill the spacing (X) between shaft coupling wheel hub 120 and compressor head, such as Fig. 3
Shown in.
D, gauge according to on-the-spot required torque calculate the required magnitude of interference, calculate shaft coupling further according to the default magnitude of interference
Wheel hub 120 need to advance the distance in compressor head 110 direction, then removes the shim liner of required respective numbers to provide corresponding
Spacing.
E, heating shaft coupling wheel hub 120 to uniform temperature, and it is slided to compressor head 110 direction, until mobile
To compressing remaining shim liner.
F, by fixing for shaft coupling wheel hub 120 until cooling, be interference fitted on the crankshaft end conical surface 101.
G, when shaft coupling wheel hub 120 is cooled to room temperature, stop nut 130 is installed.
In the attachment structure of described compressor crank shaft and line shaft 150, described shaft coupling wheel hub 120 is by integrated the
A part and Part II form, and described Part I and described Part II are cylindrical, and dead in line, described
The diameter of Part I, less than the diameter of described Part II, described shaft coupling wheel hub 120 has been arranged along its axis direction
State the first through hole 121 and described second through hole 122.Symmetrical configuration is so set, makes stress everywhere homogeneous.
In the attachment structure of described compressor crank shaft and line shaft 150, described shaft coupling 140 and described shaft coupling wheel hub
120 detachably connected concrete modes are:
It is arranged at intervals with multiple first screw hole 123, described first screw hole 123 along its circumferencial direction on described Part II
Axis direction along described shaft coupling wheel hub 120 is arranged, and does not passes through described Part I, and described shaft coupling 140 is spaced
It is provided with the second screw hole that multiple and described first screw hole 123 is relative, the i.e. first screw hole 123 and the second screw hole
Quantity is equal, and position is relative, is provided with a spiral shell between each first screw hole 123 and the second screw hole corresponding thereto
Nail, this screw is provided with nut.When needing shaft coupling 140 to be installed with shaft coupling wheel hub 120, only need to be by the first screw hole
123 and the second screw hole one_to_one corresponding, between each first screw hole 123 and the second screw hole corresponding thereto, it is respectively provided with one
Individual screw, nut of then screwing on, shaft coupling 140 can be fixed on shaft coupling wheel hub 120.Need shaft coupling 140
When disassembling from shaft coupling wheel hub 120, only need to take out screw, shaft coupling 140 can be pulled down.
Described compressor crank shaft, with the attachment structure of line shaft 150, the sidewall of described Part I is provided with a circular cone
Internal thread hole 124 and an annular groove 125, described conical inner screw thread hole 124 connects with described annular groove 125, described annular groove 125
First through hole 121 described in (groove of annular) ring is arranged, and connects with described first through hole 121.
A kind of extracting tool of the attachment structure of compressor crank shaft and line shaft 150, including:
Start steel plate 160, it is arranged at intervals with the 3rd screw hole that multiple and described first screw hole 123 is relative, i.e. the
One screw hole 123 is equal with the quantity of the 3rd screw hole, and position is relative, each described first screw hole 123 and with its phase
To the 3rd screw hole between be provided with a screw, this screw is provided with nut, so that steel plate and shaft coupling wheel hub will be started
120 carry out detachably connected, and described starting steel plate 160 is provided with fourth spiral shell relative with the described end of thread 102
Pit, is provided with screw in described 4th screwed hole, and this screw is used as jackscrew.
Hydraulic pump, its port of export connects with described conical inner screw thread hole 124, for pumping into hydraulic oil in annular groove 125.
Carry out the attachment structure of bent axle power intake Yu line shaft 150 dismantling method particularly includes:
A, pull down line shaft 150 and shaft coupling 140, unscrew stop nut 130, until stop nut 130 leaves shaft coupling
The gap that wheel hub 120 is certain.
B, starting steel plate 160 is attached with shaft coupling wheel hub 120, the 4th screwed hole screws in screw, is used as top
Silk, until withstanding the end of thread 102, and applies certain pre-fastening moment.
C, the port of export of a hydraulic pump is connected in conical inner screw thread hole 124, operates hydraulic pump, make hydraulic pump pressurize
To certain value, until shaft coupling wheel hub 120 loosens on the crankshaft end conical surface 101.
Spiral shell in D, the screw pulled down in the 4th screwed hole, and the first screw hole 123 and the 3rd screw hole corresponding thereto
Nail, starts steel plate 160, stop nut 130 and shaft coupling wheel hub 120.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed
Using, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, and can
It is easily achieved other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, this practicality
Novel be not limited to specific details and shown here as with describe legend.
Claims (5)
1. a compressor crank shaft and the attachment structure of line shaft, it is characterised in that including:
Bent axle, its one end have one from edge the centroclinal crankshaft end conical surface, the end of the described crankshaft end conical surface is provided with
One end of thread；
Shaft coupling wheel hub, is provided with first through hole and second through hole, and described first through hole and described second leads to
Described shaft coupling wheel hub, the described crankshaft end conical surface and described first through hole interference fit are run through in hole, and the described end of thread inserts described
In second through hole；
Stop nut, it is threadeded with the described end of thread, and is positioned in described second through hole, the size of described stop nut
The size of one end less more than diameter on the described crankshaft end conical surface；
Shaft coupling, it is detachably connected with described shaft coupling wheel hub；
Line shaft, it is detachably connected with described shaft coupling.
2. compressor crank shaft as claimed in claim 1 and the attachment structure of line shaft, it is characterised in that described shaft coupling
Wheel hub is made up of integrated Part I and Part II, and described Part I and described Part II are cylinder
Shape, and dead in line, the diameter of described Part I is less than the diameter of described Part II, along it on described shaft coupling wheel hub
Axis direction is provided with described first through hole and described second through hole.
3. compressor crank shaft as claimed in claim 2 and the attachment structure of line shaft, it is characterised in that described shaft coupling
The concrete mode detachably connected with described shaft coupling wheel hub is:
Being arranged at intervals with multiple first screw hole along its circumferencial direction on described Part II, described first screw hole is along described
The axis direction of axial organ wheel hub is arranged, and does not passes through described Part I, described shaft coupling is arranged at intervals with multiple and described
The second screw hole that first screw hole is relative, is provided with one between each first screw hole and the second screw hole corresponding thereto
Screw, this screw is provided with nut.
4. compressor crank shaft as claimed in claim 3 and the attachment structure of line shaft, it is characterised in that described first
Being provided with a conical inner screw thread hole and an annular groove on the sidewall divided, described conical inner screw thread hole connects with described annular groove, described ring
Described in grooved ring, the first through hole is arranged, and connects with described first through hole.
5. an extracting tool for the attachment structure of compressor crank shaft as claimed in claim 4 and line shaft, its feature exists
In, including:
Start steel plate, it is arranged at intervals with the 3rd screw hole that multiple and described first screw hole is relative, each described first
It is provided with a screw between screw hole and the 3rd screw hole corresponding thereto, this screw is provided with nut, described starting steel
It is provided with fourth screwed hole relative with the described end of thread on plate, described 4th screwed hole is provided with a screw, should
Screw is threaded connection with described 4th screwed hole；
Hydraulic pump, its port of export connects with described conical inner screw thread hole, for pumping into hydraulic oil in annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620391278.0U CN205715320U (en) | 2016-05-03 | 2016-05-03 | The attachment structure of compressor crank shaft and line shaft and extracting tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620391278.0U CN205715320U (en) | 2016-05-03 | 2016-05-03 | The attachment structure of compressor crank shaft and line shaft and extracting tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205715320U true CN205715320U (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620391278.0U Active CN205715320U (en) | 2016-05-03 | 2016-05-03 | The attachment structure of compressor crank shaft and line shaft and extracting tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205715320U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437070A (en) * | 2018-03-14 | 2018-08-24 | 林朝强 | A kind of multiple blade saw |
| CN112719103A (en) * | 2020-11-30 | 2021-04-30 | 珠海格力智能装备有限公司 | Pipe expander joint fixing device and pipe expander |
-
2016
- 2016-05-03 CN CN201620391278.0U patent/CN205715320U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437070A (en) * | 2018-03-14 | 2018-08-24 | 林朝强 | A kind of multiple blade saw |
| CN112719103A (en) * | 2020-11-30 | 2021-04-30 | 珠海格力智能装备有限公司 | Pipe expander joint fixing device and pipe expander |
| CN112719103B (en) * | 2020-11-30 | 2022-09-13 | 珠海格力智能装备有限公司 | Pipe expander joint fixing device and pipe expander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170913 Address after: 430223 Jianghan Oil bit Limited by Share Ltd office building, No. 5, Chinese workers' road, East Lake New Technology Development Zone, Wuhan, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT CORPORATION Patentee after: Sinopec Research Institute of petroleum machinery and Limited by Share Ltd Address before: Luo East Lake Development Zone 430079 Hubei city of Wuhan Province Yu Road No. 716 Hua Le business center 23 Patentee before: Research Institute of SINOPEC Petroleum Engineering Machinery Co., Ltd. |
|
| TR01 | Transfer of patent right |