CN210388940U - Alignment device for screw rotor of single-screw compressor - Google Patents
Alignment device for screw rotor of single-screw compressor Download PDFInfo
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- CN210388940U CN210388940U CN201921225396.4U CN201921225396U CN210388940U CN 210388940 U CN210388940 U CN 210388940U CN 201921225396 U CN201921225396 U CN 201921225396U CN 210388940 U CN210388940 U CN 210388940U
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- star wheel
- screw
- probe
- probe rod
- screw rotor
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Abstract
The utility model discloses a single screw compressor screw rotor's aligning device relates to single screw compressor and makes technical field, and it includes the dabber between the two locating pieces in the compressor housing, the axial centerline of dabber and the coincidence of the axial centerline of the star wheel axle of installation star wheel piece have a probe rod to radially cross the axial centerline of dabber, the percentage table is installed to probe rod one end, the probe rod is hugged closely behind the installation on the compressor housing with the binding face of star wheel piece laminating, the probe rod other end is equipped with the probe that is used for surveying screw rotor bottom arcwall face. Compared with the prior art, the utility model, screw rotor and star gear tooth piece alignment when can solving the installation of current single screw compressor take one's place trouble, problem that work efficiency is low.
Description
Technical Field
The utility model belongs to the technical field of single screw compressor makes the technique and specifically relates to a device that is used for single screw compressor to assist screw rotor alignment during the timing.
Background
The single screw compressor includes screw rotor and star wheel sheets meshed to the screw rotor, the star wheel sheets have several teeth meshed to the screw rotor, the star wheel sheets are installed on the star wheel shaft, and the screw rotor is installed inside the casing and has its installation position regulated by altering the thickness of the regulating spacer. During assembly, the screw rotor needs to be positioned and installed, then the star wheel sheets on the two sides are installed, gaps between the two sides of the star wheel sheet tooth sheets and the screw tooth grooves are detected, the gaps on the two sides are uniform by changing the thickness of the adjusting gasket, the screw rotor and the star wheel sheets can be flexibly operated and installed, and the process is called alignment for short. The alignment adjusting method needs to detect the gaps between the two sides of the star wheel sheet tooth sheet and the screw tooth grooves, and after the screw rotor and the star wheel sheet are installed in place, the working position is located in the machine shell, in order to ensure the strength, a window formed on the shell of the machine shell is not too large, the operable space is small, the gap is difficult to measure, especially for a main machine shell with small displacement, the size of the window is smaller, the measurement is inconvenient, the efficiency is low, the alignment time is long, and the accuracy is not high.
Disclosure of Invention
The utility model aims to solve the problem that a single screw compressor screw rotor's aligning device is provided to screw rotor and star wheel piece alignment are taken one's place trouble, problem that work efficiency is low when solving current single screw compressor installation.
In order to solve the above problem, the technical scheme of the utility model is that: this aligning device of single screw compressor screw rotor includes the dabber between the two locating pieces in the compressor housing, the axial direction of dabber and the axial direction coincidence of the star wheel axle of installation star wheel piece have a probe rod to radially cross the axial direction of dabber, the percentage table is installed to probe rod one end, the probe rod is hugged closely behind the installation on the compressor housing with the binding face of star wheel piece laminating, the probe rod other end is equipped with the probe that is used for surveying screw rotor bottom arcwall face.
In the above technical solution, a more specific solution may be: the mandrel is positioned through the positioning blocks of the bearing seats at the two ends of the star wheel shaft.
Further: the positioning blocks are arranged on holes at two ends of the bearing seat at two ends of the star wheel shaft.
Further: the probe rod is a cylindrical probe rod.
Further: the head of the probe is spherical.
Further: the probe rod and the probe are integrally formed.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:
the alignment device of the screw rotor of the single-screw compressor adopts a probe rod which is provided with a dial indicator and transversely passes through the axial center line of a star wheel shaft to detect the bottom arc of the screw rotor so as to accurately position the distance between the axial center line of the star wheel shaft and the screw rotor and determine the position between a star wheel sheet and the screw rotor; the mandrel is positioned by adding the positioning blocks on the two bearing seat holes of the star wheel shaft, so that the positioning precision can be ensured under the condition that the later installation of the star wheel shaft and the star wheel sheet is not influenced;
when the device is used, firstly, the screw rotor is installed in place, in order to be matched with the top of a star wheel sheet tooth piece, the bottom of the screw rotor is in a circular arc shape, the mandrel is equivalent to a star wheel shaft of a star wheel assembly, the probe rod penetrates through the axial central line of the mandrel, the mandrel is positioned by adding positioning blocks on two bearing seat holes of the star wheel shaft, during measurement, the probe rod is tightly attached to the star wheel sheet binding surface on the shell, the probe of the probe rod is cut into the bottom of the tooth groove of the screw at one end, the dial indicator is zero, simultaneously, the screw rotor and the mandrel are rotated, when the probe of the probe rod is cut out from the bottom of the tooth groove of the screw at the other end, the reading on the dial indicator is read, and the axial adjustment; when the reading of the cutting point is basically coincident with the reading of the cutting point, the screw rotor is installed in place, and then the star wheel sheet is directly installed to finish the assembly of the host machine without measuring the gaps between the two side faces of the star wheel sheet tooth sheet and the tooth grooves of the screw; the axial position of the screw rotor is aligned by the device, the star wheel sheet is directly installed after the screw rotor is installed in place, the installation and adjustment are convenient and fast, the assembly efficiency can be improved by more than 50%, and the positioning precision is high.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a plan view of an embodiment of the present invention and a screw rotor.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
the alignment device for the screw rotor of the single-screw compressor shown in fig. 1 and 2 comprises a mandrel 1 between two positioning blocks 4, wherein the axial center line of the mandrel 1 is superposed with the axial center line of a star wheel shaft for mounting a star wheel sheet 6, a probe 2 radially crosses the axial center line of the mandrel 1, one end of the probe 2 is provided with a dial indicator 3, the probe 2 is tightly attached to an attaching surface 9-1 attached to the star wheel sheet 6 after being mounted on a compressor shell 9, the other end of the probe 2 is provided with a probe 5 for detecting the arc surface at the bottom of the screw rotor 8, the probe 2 provided with the dial indicator 3 and crossing the axial center line of the star wheel shaft is adopted for detecting the arc at the bottom of the screw rotor 8 so as to accurately position the distance between the axial center line of the star wheel shaft and the screw rotor and determine the position between the star wheel sheet 6 and the screw; the mandrel 2 is positioned by adding the positioning blocks 4 on the two bearing seat 7 holes of the star wheel shaft, so that the positioning precision can be ensured under the condition that the later installation of the star wheel shaft and the star wheel sheet 6 is not influenced. The probe rod 2 is a cylindrical probe rod, the head of the probe 5 is spherical, and the probe rod 2 and the probe 3 are integrally formed, so that the probe rod 2 and the probe 5 can be prevented from being loose in fit after installation, and the detection is more accurate.
When the device is used, firstly, the screw rotor 8 is installed in place, in order to be matched with the top of the tooth piece of the star wheel piece 6, the bottom of the screw rotor 8 is in a circular arc shape, the mandrel 1 is equivalent to a star wheel shaft of a star wheel assembly, the probe rod 2 penetrates through the axial center line of the mandrel 1, the mandrel 1 is positioned by adding the positioning blocks 4 on two bearing seat holes of the star wheel shaft, during measurement, the probe rod 2 is tightly attached to the attaching surface of the star wheel piece 6 on the shell and the shell, the probe 5 of the probe rod is cut into the bottom of the tooth groove of the screw at one end, the dial indicator 3 is zeroed, the screw rotor 8 and the mandrel 1 are rotated simultaneously, when the probe 5 of the probe rod is cut out from the bottom of the tooth groove of the screw at the other end, the reading on the dial indicator 3 is read; when the reading of the entry point and the reading of the exit point are basically coincident, the screw rotor 8 is installed in place, and then the star wheel sheet 6 is directly installed to complete the assembly of the host machine without measuring the gaps between the two side surfaces of the star wheel tooth sheet and the tooth grooves of the screw; the axial position of the screw rotor 8 is aligned by applying the device, the star wheel sheet 6 is directly installed after the screw rotor 8 is installed in place, the installation and adjustment are convenient and fast, the assembly efficiency can be improved by more than 50%, and the positioning precision is high.
Claims (6)
1. The utility model provides an aligning device of single screw compressor screw rotor which characterized in that: the axial center line of dabber and the axial center line coincidence of the star wheel axle of installation star wheel piece have a probe rod to radially cross the axial center line of dabber, the percentage table is installed to probe rod one end, the probe rod is hugged closely behind the installation on the compressor casing with the binding face of star wheel piece laminating, the probe rod other end is equipped with the probe that is used for surveying screw rotor bottom arcwall face.
2. The alignment device for screw rotors of single screw compressors according to claim 1, wherein: the mandrel is positioned through the positioning blocks of the bearing seats at the two ends of the star wheel shaft.
3. The alignment device for screw rotors of single screw compressors according to claim 2, wherein: the positioning blocks are arranged on holes at two ends of the bearing seat at two ends of the star wheel shaft.
4. The aligning apparatus for screw rotors of single screw compressors according to any one of claims 1 to 3, wherein: the probe rod is a cylindrical probe rod.
5. The alignment device for screw rotors of single screw compressors according to claim 4, wherein: the head of the probe is spherical.
6. The alignment device for screw rotors of single screw compressors according to claim 5, wherein: the probe rod and the probe are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225396.4U CN210388940U (en) | 2019-07-31 | 2019-07-31 | Alignment device for screw rotor of single-screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225396.4U CN210388940U (en) | 2019-07-31 | 2019-07-31 | Alignment device for screw rotor of single-screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210388940U true CN210388940U (en) | 2020-04-24 |
Family
ID=70357643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921225396.4U Active CN210388940U (en) | 2019-07-31 | 2019-07-31 | Alignment device for screw rotor of single-screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210388940U (en) |
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2019
- 2019-07-31 CN CN201921225396.4U patent/CN210388940U/en active Active
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