CN112096650A - Steam compressor diaphragm coupling barring gear - Google Patents
Steam compressor diaphragm coupling barring gear Download PDFInfo
- Publication number
- CN112096650A CN112096650A CN202011115315.2A CN202011115315A CN112096650A CN 112096650 A CN112096650 A CN 112096650A CN 202011115315 A CN202011115315 A CN 202011115315A CN 112096650 A CN112096650 A CN 112096650A
- Authority
- CN
- China
- Prior art keywords
- push rod
- chuck
- gear
- coupler
- coupling
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a steam compressor diaphragm coupling barring device which is high in positioning accuracy, capable of accurately rotating a coupling to a designated position, large in torque and capable of achieving continuous omnibearing barring. A turning device for a diaphragm coupler of a steam compressor comprises a coupler chuck, a bearing transmission seat and three part sleeves of a hydraulic stroke push rod. This device regards hydraulic pressure stroke push rod as the power supply, turns into the rotation of bearing transmission seat internal gear through the translation with hydraulic pressure stroke push rod, through gear connection between shaft coupling chuck and the bearing transmission seat to drive the rotation of shaft coupling chuck, realize vapor compressor barring function.
Description
Technical Field
The invention relates to the technical field of vapor compressors, in particular to a turning gear for a diaphragm coupler of a vapor compressor.
Background
The cantilever type centrifugal vapor compressor is mainly adopted in the domestic high-speed vapor compressor, and the rotor of the cantilever type centrifugal vapor compressor is rotated by 180 degrees to prevent the cantilever type rotor from bending because the cantilever type centrifugal vapor compressor needs to be periodically turned for a long time; or the rotor needs to be turned before starting the machine every time, the rotor rotates for several weeks, and whether the rotor is in a blocked state or not is judged, so that smooth starting is ensured.
At present, most of steam compressor diaphragm coupling barring devices in industrial application adopt manual chain barring or electric gear barring. 1. The manual chain barring has small transmission power, is only suitable for a small unit and cannot realize the barring of a large unit, and 2, the manual chain barring has poor structural operability and cannot realize the continuous barring of 360 degrees; 3. the electric gear barring is only suitable for continuously barring for 360 degrees before starting and is not suitable for accurately positioning 180-degree barring due to high control difficulty.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the steam compressor diaphragm coupling barring device which is high in positioning precision, large in torque and capable of realizing continuous omnibearing barring, and a coupling can be accurately rotated to a specified position.
The purpose of the invention is realized as follows:
the utility model provides a vapor compressor diaphragm coupling barring device, includes shaft coupling chuck, bearing transmission seat, hydraulic pressure stroke push rod, the shaft coupling chuck is used for the joint to fix on vapor compressor diaphragm coupling, be equipped with the straight-tooth on the outer lane of shaft coupling chuck, be equipped with the spur rack on the hydraulic pressure stroke push rod, be equipped with gear drive mechanism on the affiliated bearing transmission seat, gear drive mechanism meshes with the outer lane straight-tooth of shaft coupling chuck, the straight rack of hydraulic pressure stroke push rod respectively.
Preferably, gear drive includes gear wheel, the pinion of being connected with the transmission shaft, the pinion meshes with the spur rack of hydraulic stroke push rod, the outer lane straight-tooth meshing of gear wheel and shaft coupling chuck.
Preferably, the bearing transmission seat comprises a base, the base is provided with two vertical plates, a transmission shaft of the gear transmission mechanism is supported on the two vertical plates, a support frame is arranged between the two vertical plates, the support frame is located under the small gear and is staggered with the large gear, and the lower end of the straight rack of the hydraulic stroke push rod is in sliding fit with a sliding groove formed in the support frame.
Preferably, the base of the bearing transmission seat is provided with a mounting platform of the hydraulic stroke push rod.
Preferably, the coupler chuck comprises two half rings, and the two half rings are fixed through bolts and are fixed on the steam compressor diaphragm coupler in a clasping manner.
Preferably, a plurality of counter bores are formed in one side face of the coupler chuck and are used for being matched with flange connecting bolt heads of the steam compressor diaphragm coupler to limit the circumferential direction of the coupler chuck.
Preferably, the hydraulic stroke push rod comprises a hydraulic cylinder and a push rod, one end of the push rod is fixedly connected with a piston rod of the hydraulic cylinder, and the other end of the push rod is provided with the spur rack.
Preferably, the push rod is provided with scales, and the scales are arranged corresponding to the rotation angle of the diaphragm coupler and used for determining the rotation angle of the diaphragm coupler.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the device adopts gear transmission, and can realize continuous 360-degree omnibearing turning;
2. the stroke of the hydraulic stroke push rod can be accurately controlled, so that the barring gear is high in positioning accuracy, and the coupler can be accurately rotated to a specified position;
3. the barring gear adopts hydraulic pressure as a power source, the provided transmission torque is large, and the barring of the diaphragm coupler of the steam compressor with the large unit can be realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a coupling chuck;
FIG. 3 is a schematic structural view of a bearing transmission seat;
fig. 4 is a schematic structural diagram of the hydraulic stroke push rod.
Reference numerals
In the attached drawings, 1 is a motor, 2 is a bearing transmission seat, 3 is a gear box, 4 is a hydraulic stroke push rod, 5 is a diaphragm coupling, and 6 is a coupling chuck;
21 is a base, 22 is a bull gear, 23 is a transmission shaft, 24 is a pinion, 25 is a bearing cover, 26 is a gasket and a bolt, and 27 is a bearing;
41 is a hydraulic cylinder body, 42 is a push rod, 43 is a cylindrical pin, and 44 is a rack;
the lower half ring 61 is a coupler chuck, the upper half ring 62 is a coupler chuck, the elastic pad 63 is a bolt 64, and the counter bore 65 is a counter bore.
Detailed Description
Referring to fig. 1, the vapor compressor comprises a motor 1 and a gear box 3, wherein the motor 1 and the gear box 3 are in power connection through a diaphragm coupling 5.
Join in fig. 1-4, for a vapor compressor diaphragm coupling barring gear's embodiment, including shaft coupling chuck, bearing transmission seat, hydraulic pressure stroke push rod, the shaft coupling chuck is used for the joint to fix on vapor compressor diaphragm coupling, be equipped with the straight-tooth on the outer lane of shaft coupling chuck, be equipped with the spur rack on the hydraulic pressure stroke push rod, be equipped with gear drive mechanism on the affiliated bearing transmission seat, gear drive mechanism meshes with the outer lane straight-tooth of shaft coupling chuck, the straight-tooth rack of hydraulic pressure stroke push rod respectively.
The gear transmission mechanism comprises a large gear and a small gear which are connected with the transmission shaft, the small gear is meshed with a spur rack of the hydraulic stroke push rod, and the size of the small gear determines the push-out stroke of the hydraulic stroke push rod. The gear wheel is meshed with the outer ring straight teeth of the coupling chuck, and the transmission ratio of the gear wheel to the coupling chuck is 2: 1, the design transmission ratio of the large gear of the transmission shaft and the chuck gear of the coupler can be determined, and the coupler rotates for two circles when the small gear of the transmission shaft rotates for one circle. The bearing transmission seat comprises a base, the base is provided with two vertical plates, a transmission shaft of the gear transmission mechanism is supported on the two vertical plates through a bearing, a support frame is arranged between the two vertical plates, the support frame is located under a small gear and is staggered with a large gear, and the lower end of a straight rack of the hydraulic stroke push rod is in sliding fit with a sliding groove formed in the support frame. And a base of the bearing transmission seat is provided with a mounting platform of a hydraulic stroke push rod.
For convenient assembly and disassembly, the shaft coupling chuck comprises two semi-rings, the upper and lower split surfaces of the upper semi-ring and the lower semi-ring are fixed through bolts, and the inner rings of the upper semi-ring and the lower semi-ring are attached to the outer ring of the shaft coupling and are fixed on the membrane shaft coupling of the steam compressor in an embracing mode. And a plurality of counter bores are formed in one side face of the coupler chuck and are used for being matched with each flange connecting bolt head of the steam compressor diaphragm coupler to limit the circumferential direction of the coupler chuck and prevent the inner ring of the coupler chuck and the outer ring of the coupler from sliding relatively.
The hydraulic stroke push rod comprises a hydraulic cylinder and a push rod, one end of the push rod is fixedly connected with a piston rod of the hydraulic cylinder, and the other end of the push rod is provided with the spur rack. The spur rack cooperatees with bearing gear seat transmission shaft pinion, turns into the rotation through the translation, transmits the moment of torsion for the transmission shaft, be equipped with the scale on the push rod, the rotation angle (the scale interval is 5 degrees) of scale and diaphragm coupling corresponds the setting for confirm diaphragm coupling's rotation angle.
The working method comprises the following steps:
assembling a steam compressor diaphragm coupling barring device on a base as shown in fig. 1, manually shaking a hydraulic stroke push rod hydraulic cylinder to increase the pressure in the hydraulic cylinder, determining the pressure in the hydraulic cylinder according to the stroke pushed by the hydraulic stroke push rod, moving the hydraulic stroke push rod forwards along with the increase of the pressure in the hydraulic cylinder, meshing with a bearing transmission seat transmission shaft pinion when the hydraulic stroke push rod moves forwards, thereby pushing a bearing transmission seat transmission shaft to rotate, realizing translation conversion into rotation, and realizing the rotation of a coupling due to the meshing relationship between a bearing transmission seat transmission shaft bull gear and a coupling chuck gear.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a vapor compressor diaphragm coupling barring gear which characterized in that: including shaft coupling chuck, bearing transmission seat, hydraulic pressure stroke push rod, the shaft coupling chuck is used for the joint to fix on vapor compressor diaphragm coupling, be equipped with the straight-teeth on the outer lane of shaft coupling chuck, be equipped with the spur rack on the hydraulic pressure stroke push rod, be equipped with gear drive mechanism on the affiliated bearing transmission seat, gear drive mechanism meshes with the outer lane straight-teeth of shaft coupling chuck, the straight rack of hydraulic pressure stroke push rod respectively.
2. The vapor compressor diaphragm coupling barring apparatus of claim 1, wherein: the gear transmission mechanism comprises a large gear and a small gear which are connected with a transmission shaft, the small gear is meshed with a straight rack of the hydraulic stroke push rod, and the large gear is meshed with the outer ring straight rack of the coupling chuck.
3. The vapor compressor diaphragm coupling barring apparatus of claim 2, wherein: the bearing transmission seat comprises a base, the base is provided with two vertical plates, a transmission shaft of the gear transmission mechanism is supported on the two vertical plates, a support frame is arranged between the two vertical plates, the support frame is located under a small gear and is staggered with a large gear, and the lower end of a straight rack of the hydraulic stroke push rod is in sliding fit with a sliding groove formed in the support frame.
4. The vapor compressor diaphragm coupling barring apparatus of claim 3, wherein: and a base of the bearing transmission seat is provided with a mounting platform of a hydraulic stroke push rod.
5. The vapor compressor diaphragm coupling barring apparatus of claim 1, wherein: the coupler chuck comprises two half rings, the two half rings are fixed through bolts and are fixed on the steam compressor diaphragm coupler in an encircling mode.
6. The vapor compressor diaphragm coupling barring device of claim 1 or 5, wherein: and a plurality of counter bores are formed in one side face of the coupler chuck and are used for being matched with each flange connecting bolt head of the steam compressor diaphragm coupler to limit the circumferential direction of the coupler chuck.
7. The vapor compressor diaphragm coupling barring apparatus of claim 1, wherein: the hydraulic stroke push rod comprises a hydraulic cylinder and a push rod, one end of the push rod is fixedly connected with a piston rod of the hydraulic cylinder, and the other end of the push rod is provided with the spur rack.
8. The vapor compressor diaphragm coupling barring apparatus of claim 7, wherein: the push rod is provided with scales, and the scales are arranged corresponding to the rotation angle of the diaphragm coupler and used for determining the rotation angle of the diaphragm coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115315.2A CN112096650A (en) | 2020-10-19 | 2020-10-19 | Steam compressor diaphragm coupling barring gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115315.2A CN112096650A (en) | 2020-10-19 | 2020-10-19 | Steam compressor diaphragm coupling barring gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112096650A true CN112096650A (en) | 2020-12-18 |
Family
ID=73785473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011115315.2A Pending CN112096650A (en) | 2020-10-19 | 2020-10-19 | Steam compressor diaphragm coupling barring gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112096650A (en) |
-
2020
- 2020-10-19 CN CN202011115315.2A patent/CN112096650A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200940364Y (en) | Electronic lock clutch device | |
| CN204076277U (en) | A kind of joint of robot | |
| CN100451389C (en) | Device for transform fluid-pressure into mechanical rotating motion | |
| CN202209382U (en) | Transmission mechanism for thin type harmonic retarder | |
| CN108422442B (en) | A kind of ultra-small integrated servo joint | |
| CN107725712B (en) | Reciprocating-rotary motion conversion mechanism and water pump thereof | |
| CN109048314A (en) | A kind of self-adaptive hydraulic stretcher | |
| CN110333087B (en) | C-NCAP steering test robot capable of synchronously adjusting radial dimension | |
| CN202368038U (en) | Printing unit cylinder shaft-free driving device of rotary press | |
| CN213331652U (en) | Steam compressor diaphragm coupling barring gear | |
| CN112096650A (en) | Steam compressor diaphragm coupling barring gear | |
| CN103878786B (en) | A kind of wrist with Three Degree Of Freedom of robot | |
| CN110587654B (en) | Six-axis robot | |
| CN110455532B (en) | Three-fork universal coupling test bed with pre-torque | |
| CN114123643A (en) | Electric actuator and power transmission component thereof | |
| CN109623870B (en) | Vector control rotary joint | |
| CN114857232A (en) | Spiral force-applying device and power transmission system | |
| CN209430701U (en) | A kind of coaxial speed-down device | |
| CN210011001U (en) | Novel vector control rotary joint | |
| CN202744212U (en) | Rotation angle monitoring device for tower crane | |
| CN202736683U (en) | Hand-operated drive device | |
| CN111765229A (en) | Tooth-cooperated swash plate rotary cylinder type axial piston driving device | |
| CN109595316B (en) | Telescopic mechanism with accurate positioning function | |
| CN203752162U (en) | Robot wrists with three degrees of freedom | |
| CN217401341U (en) | Piston assembly with long service life and low loss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |