CN207764072U - A kind of experimental provision for observing screw rod and star-wheel meshing wear - Google Patents
A kind of experimental provision for observing screw rod and star-wheel meshing wear Download PDFInfo
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- CN207764072U CN207764072U CN201721887793.9U CN201721887793U CN207764072U CN 207764072 U CN207764072 U CN 207764072U CN 201721887793 U CN201721887793 U CN 201721887793U CN 207764072 U CN207764072 U CN 207764072U
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Abstract
The utility model is related to a kind of experimental provisions for observing screw rod and star-wheel meshing wear, including support platform, the support of bearing for standing screw is set in support platform, it is arranged and is used to install the cross slid platform of star-wheel in support of bearing both sides and the driving unit for driving screw rod and star-wheel to rotate, when experiment, screw rod is fixed on the support of bearing, two star-wheels are separately mounted on two cross slid platforms, and mobile cross slid platform, one of star-wheel is set to be engaged with screw rod, another star-wheel is engaged with screw rod dislocation, then two star-wheels and screw rod are driven to rotate by driving unit, observe the abrasion condition of two star-wheels and screw rod.Compared with prior art, the utility model can directly be observed when screw rod is engaged with star-wheel and be worn, thus it is speculated that the durability of star-wheel provides foundation for star-wheel material type selecting, calculates the duration of runs of single screw compressor.
Description
Technical field
The utility model is related to fluid machinery technical fields, and in particular to one kind is for observing screw rod and star-wheel meshing wear
Experimental provision.
Background technology
Single screw compressor is a kind of widely used fluid machinery, is used for compressed gas, so as to improving gas pressure.It is single
Helical-lobe compressor forms Meshing Pair by a cylindrical screw and two planar gaterotors being arranged symmetrically, in casing.Screw rod
Material is stainless steel, and star-wheel material is senior engineering plastic, and usual star-wheel is easy to wear, and screw rod is directly affected with star-wheel meshing wear
The efficiency of single screw compressor.After screw rod and star-wheel are packed into compressor, engaging for screw rod and star-wheel can not be observed, can not also be speculated
Its degree of wear and service life, it is possible that serious harm can be brought
Utility model content
The purpose of this utility model is exactly to provide a kind of simulation screw rod to overcome the problems of the above-mentioned prior art
The experimental provision for observing screw rod and star-wheel meshing wear of actual operating mode is engaged with star-wheel.
The purpose of this utility model can be achieved through the following technical solutions：One kind is engaged for observing screw rod with star-wheel
The experimental provision of abrasion, the device include support platform, the support of bearing for standing screw are arranged in support platform, setting
It is used to install the cross slid platform of star-wheel in support of bearing both sides and the driving unit for driving screw rod and star-wheel to rotate, experiment
When, screw rod is fixed on the support of bearing, two star-wheels are separately mounted on two cross slid platforms, and mobile cross is slided
Platform makes one of star-wheel be engaged with screw rod, another star-wheel is engaged with screw rod dislocation, then drives two by driving unit
Star-wheel and screw rod rotation, observe the abrasion condition of two star-wheels and screw rod.The utility model passes through the support of bearing and cross slid platform
Screw rod and star-wheel be installed respectively, and by the movement of the support of bearing and cross slid platform come the relative position of adjusting screw rod and star-wheel,
It is nibbled when can measure the abrasion engaged when screw rod and correct star-wheel position simultaneously, and measure screw rod simultaneously with star-wheel axile displacement
The abrasion of conjunction.
The support platform is equipped with T-slot, and the support of bearing includes fore bearing holder, rear bearing rack and sets
The experiment mandrel that standing screw is used on front and back bearings holder is set, the bottom of the fore bearing holder and rear bearing rack is all provided with
There is the feather key to match with T-slot, and feather key is fixed in T-slot by T-nut.Fore bearing holder and rear bearing
Holder can slide in support platform, to ensure that the device is adapted to the screw rod of different size.
The cross slid platform includes orthogonal X axis line slide rail and Y-axis line slide rail, and the X axis is straight
Line sliding rail is parallel with the axial direction of screw rod, and the Y-axis line slide rail is slidably connected on X axis sliding rail, and the X axis straight line is slided
It is equipped with lead screw in rail and Y-axis line slide rail, is slidably connected in the Y-axis line slide rail and is useful for the star-wheel of installation star-wheel
Installation unit.
The rod-shaped unit of star-wheel includes the bearing block being slidably connected in Y-axis line line slide rail, is arranged on bearing block
Rotation axis, be arranged and be used to fix the bearing of star-wheel on rotation axis top and be arranged above bearing for preventing star-wheel upward
It is detached from the pressing plate of rotation axis.
The X axis line slide rail, Y-axis line slide rail parallel accuracy be less than 0.02mm, the lead screw sliding essence
Degree is again smaller than 0.02mm, which can ensure that the precision of entire experimental provision is higher, as a result accurately.
The driving unit includes motor and the shaft coupling that is connect with motor, and the shaft coupling is distinguished by driving rack
It is connect with two star-wheels and screw rod.Connect with experiment mandrel more specifically, being exactly shaft coupling, and with rotate axis connection.
The experimental provision includes lateral fiducial block and axial reference block, and the rear end of the screw rod and axial reference block are neat
Flat, the top of the screw rod is flushed with lateral fiducial block, and two reference blocks are arranged, are to make the installation site and reality of screw rod
When work, the situation that screw rod is mounted on inside compressor is more close, improves measurement accuracy.
The experimental provision includes spray unit, and the spray unit includes water tank, water pump, pumped out by outlet pipe and water
Two nozzles of mouth connection and the protective cover being arranged on the outside of screw rod and star-wheel, the engagement of the nozzle alignment star-wheel and screw rod
Place, the bottom of the support platform is connect by return pipe with water tank.Spray unit is set, is for the screw rod to gear motion
Cool down with star-wheel, setting protective cover is outer in order to be sputtered at from the water of nozzle out, and the protective cover is made of transparent material.
Compared with prior art, the beneficial effects of the utility model are embodied in：Screw rod can directly be observed to engage with star-wheel
When wear, thus it is speculated that the durability of star-wheel provides foundation for star-wheel material type selecting, calculates the duration of runs of single screw compressor.
Description of the drawings
Fig. 1 is the schematic front view of the utility model structure；
Fig. 2 is the schematic top plan view of the utility model structure.
Wherein, 1 is water tank, and 2 be water pump, and 3 be outlet pipe, and 4 be nozzle, and 5 be screw rod, and 6 be experiment mandrel, and 7 be bearing branch
Frame, 8 be protective cover, and 9 be shaft coupling, and 10 be motor, and 11 be support platform, and 12 be return pipe, and 13 be axial reference block, and 14 be star
Wheel, 15 be cross slid platform, and 16 be lateral fiducial block.
Specific implementation mode
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Embodiment 1
A kind of experimental provision for observing screw rod and star-wheel meshing wear, structure is as shown in Figure 1 and Figure 2, including support
The support of bearing 7 for standing screw 5, setting is arranged in support platform 11 in 7 both sides of the support of bearing for installing in platform 11
The cross slid platform 15 of star-wheel 14 and driving unit for driving screw rod 5 and star-wheel 14 to rotate.
Support platform 11 is equipped with T-slot, and the support of bearing 7 includes fore bearing holder, rear bearing rack and is arranged preceding
The experiment mandrel 6 of standing screw 5 is used on rear bearing rack, the bottom of fore bearing holder and rear bearing rack is equipped with and T-type
The feather key that slot matches, and feather key is fixed in T-slot by T-nut.Fore bearing holder and rear bearing rack can
It is slided in support platform 11, to ensure that the device is adapted to the screw rod 5 of different size.
Cross slid platform 15 includes orthogonal X axis line slide rail and Y-axis line slide rail, X axis line slide rail
Parallel with the axial direction of screw rod 5, Y-axis line slide rail is slidably connected on X axis sliding rail, X axis line slide rail and Y-axis straight line
It is equipped with lead screw in sliding rail, is slidably connected in Y-axis line slide rail and is useful for 14 installation unit of star-wheel of installation star-wheel 14.
14 rod-shaped unit of star-wheel includes the bearing block being slidably connected in Y-axis line line slide rail, is arranged on bearing block
Rotation axis, be arranged rotation axis top be used for fix star-wheel 14 bearing and be arranged above bearing for prevent star-wheel 14 to
The upper pressing plate for being detached from rotation axis.
X axis line slide rail, Y-axis line slide rail parallel accuracy be less than 0.02mm, the sliding precision of lead screw again smaller than
0.02mm, the setting can ensure that the precision of entire experimental provision is higher, as a result accurately.
Driving unit includes motor 10 and the shaft coupling being connect with motor 10 9, shaft coupling 9 by driving rack respectively with
Two star-wheels 14 and screw rod 5 connect.Connect with experiment mandrel 6 more specifically, being exactly shaft coupling 9, and with rotate axis connection.
Experimental provision includes lateral fiducial block 16 and axial reference block 13, and the rear end of screw rod 5 is flushed with axial reference block 13,
The top of screw rod 5 is flushed with lateral fiducial block 16, and two reference blocks are arranged, are to make the installation site of screw rod 5 and practical work
When making, the situation that screw rod 5 is mounted on inside compressor is more close, improves measurement accuracy.
Experimental provision includes spray unit, and spray unit includes water tank 1, water pump 2, connected by outlet pipe 3 and the outlet of water pump 2
Two nozzles 4 connect and the protective cover being arranged on the outside of screw rod 5 and star-wheel 14, nozzle 4 are directed at the engagement of star-wheel 14 and screw rod 5
Place, the bottom of support platform 11 is connect by return pipe 12 with water tank 1.Spray unit is set, is for the spiral shell to gear motion
Bar 5 and star-wheel 14 cool down, and setting protective cover 8 is outer in order to be sputtered at from the water of nozzle 4 out, and the protective cover 8 is transparent material
Matter is made.
When experiment, the experiment mandrel 6 of the screw rod 5 assembled is mounted on above the support of bearing 7, front and back bearings holder passes through
Feather key slides, and to adapt to the screw rod 5 of different size, carries out axial fixation to screw rod by bearing block, then passes through shaft coupling
Device 9 connects screw rod 5 and motor 10, and motor is frequency control motor, can be adjusted to 5 speed of screw rod, then by two
A star-wheel 14 is assemblied on cross slid platform 15, passes through the lead screw in X axis line slide rail and Y-axis line slide rail in cross slid platform
Be adjusted to need the position tested, fix transparent shield 8, start experimental provision, motor 10 drive screw rod 5 and star-wheel 14 into
Row gear motion, while spray unit is cooled down and is lubricated, to the gear motion of star-wheel and screw rod in analog compression machine, and
Observation detection：1. the abrasion engaged when screw rod and correct star-wheel position, 2. screw rods and the abrasion engaged when star-wheel axile displacement.
Claims (8)
1. a kind of experimental provision for observing screw rod and star-wheel meshing wear, which is characterized in that the device includes support platform
(11), the support of bearing (7) for standing screw (5) is set in support platform (11), setting is used in the support of bearing (7) both sides
In the cross slid platform (15) of installation star-wheel (14) and driving unit for driving screw rod (5) and star-wheel (14) to rotate, test
When, screw rod (5) is fixed on the support of bearing (7), two star-wheels (14) are separately mounted to two cross slid platforms (15)
On, and mobile cross slid platform (15), so that one of star-wheel (14) is engaged with screw rod (5), another star-wheel (14) and screw rod (5)
Then dislocation engagement drives two star-wheels (14) and screw rod (5) to rotate, observes two star-wheels (14) and screw rod by driving unit
(5) abrasion condition.
2. a kind of experimental provision for observing screw rod and star-wheel meshing wear according to claim 1, which is characterized in that
The support platform (11) is equipped with T-slot, and the support of bearing (7) includes fore bearing holder, rear bearing rack and sets
Set the experiment mandrel (6) that standing screw (5) is used on front and back bearings holder, the bottom of the fore bearing holder and rear bearing rack
Portion is equipped with the feather key to match with T-slot, and feather key is fixed in T-slot by T-nut.
3. a kind of experimental provision for observing screw rod and star-wheel meshing wear according to claim 1, which is characterized in that
The cross slid platform (15) includes orthogonal X axis line slide rail and Y-axis line slide rail, and the X axis straight line is slided
Rail is parallel with the axial direction of screw rod (5), and the Y-axis line slide rail is slidably connected on X axis sliding rail, and the X axis straight line is slided
It is equipped with lead screw in rail and Y-axis line slide rail, is slidably connected in the Y-axis line slide rail and is useful for installation star-wheel (14)
Star-wheel installation unit.
4. a kind of experimental provision for observing screw rod and star-wheel meshing wear according to claim 3, which is characterized in that
The rod-shaped unit of star-wheel include the bearing block being slidably connected in Y-axis line line slide rail, the rotation axis being arranged on bearing block,
It is arranged and is used to fix the bearing of star-wheel on rotation axis top and is arranged above bearing for preventing star-wheel to be upwardly separated from rotation
The pressing plate of axis.
5. a kind of experimental provision for observing screw rod and star-wheel meshing wear according to claim 3, which is characterized in that
The X axis line slide rail, Y-axis line slide rail parallel accuracy be less than 0.02mm, the sliding precision of the lead screw again smaller than
0.02mm。
6. a kind of experimental provision for observing screw rod and star-wheel meshing wear according to claim 1, which is characterized in that
The driving unit includes motor (10) and the shaft coupling (9) being connect with motor (10), and the shaft coupling (9) passes through driving cog
Item is connect with two star-wheels (14) and screw rod (5) respectively.
7. a kind of experimental provision for observing screw rod and star-wheel meshing wear according to claim 1, which is characterized in that
The experimental provision includes lateral fiducial block (16) and axial reference block (13), rear end and the axial direction reference block of the screw rod (5)
(13) it flushes, the top of the screw rod (5) is flushed with lateral fiducial block (16).
8. a kind of experimental provision for observing screw rod and star-wheel meshing wear according to claim 1, which is characterized in that
The experimental provision includes spray unit, and the spray unit includes water tank (1), water pump (2), by outlet pipe (3) and water pump
(2) two nozzles (4) of outlet connection and the protective cover (8) being arranged on the outside of screw rod (5) and star-wheel (14), the nozzle
(4) engagement place of alignment star-wheel (14) and screw rod (5), the bottom of the support platform (11) passes through return pipe (12) and water tank
(1) it connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887793.9U CN207764072U (en) | 2017-12-29 | 2017-12-29 | A kind of experimental provision for observing screw rod and star-wheel meshing wear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887793.9U CN207764072U (en) | 2017-12-29 | 2017-12-29 | A kind of experimental provision for observing screw rod and star-wheel meshing wear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207764072U true CN207764072U (en) | 2018-08-24 |
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ID=63185659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721887793.9U Active CN207764072U (en) | 2017-12-29 | 2017-12-29 | A kind of experimental provision for observing screw rod and star-wheel meshing wear |
Country Status (1)
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| CN (1) | CN207764072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051326A (en) * | 2017-12-29 | 2018-05-18 | 好米动力设备有限公司 | A kind of experimental provision for being used to observe screw rod and star-wheel meshing wear |
-
2017
- 2017-12-29 CN CN201721887793.9U patent/CN207764072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051326A (en) * | 2017-12-29 | 2018-05-18 | 好米动力设备有限公司 | A kind of experimental provision for being used to observe screw rod and star-wheel meshing wear |
| CN108051326B (en) * | 2017-12-29 | 2024-04-02 | 好米动力设备有限公司 | Experimental device for be used for observing screw rod and star gear meshing wearing and tearing |
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