CN104369012A - Pump body positioning hole drilling tool of water ring vacuum pump - Google Patents
Pump body positioning hole drilling tool of water ring vacuum pump Download PDFInfo
- Publication number
- CN104369012A CN104369012A CN201410530167.9A CN201410530167A CN104369012A CN 104369012 A CN104369012 A CN 104369012A CN 201410530167 A CN201410530167 A CN 201410530167A CN 104369012 A CN104369012 A CN 104369012A
- Authority
- CN
- China
- Prior art keywords
- pump housing
- eccentric wheel
- push rod
- workbench
- locating hole
- Prior art date
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- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a pump body positioning hole drilling tool of a water ring vacuum pump, and belongs to the field of water ring vacuum pump machining equipment. The pump body positioning hole drilling tool comprises an eccentric wheel (6) and at least three ejection rods (5), the eccentric wheel (6) is horizontally and rotatably fixed to the upper side of a work platform (301), the at least three ejection rods (5) are distributed in a radial mode with the rotation center of the eccentric wheel (6) as a circular center, included angles between the adjacent ejection rods (5) are equal, the ejection rods (5) are arranged on the upper side of the work platform (301) in the radial direction through a guide device in a sliding mode, a pump body (2) is vertically arranged on the work platform (301), the eccentric wheel (6) and the ejection rods (5) are arranged on the inner side of the pump body (2), the circumferential profile of the eccentric wheel (6) is matched with the inner ends of the ejection rods (5), an eccentric wheel drive mechanism drives the eccentric wheel (6) to rotate, the eccentric wheel (6) drives the outer ends of the ejection rods (5) to be in butt joint with the inner wall of the pump body (2), and accordingly the center shaft of the pump body (2) is overlapped with the rotation center of the eccentric wheel (6). The pump body positioning hole drilling tool has the advantages that work efficiency is high, positioning is accurate and machining precision is improved.
Description
Technical field
The water ring vacuum pump pump housing bores locating hole frock, belongs to water ring vacuum pump process equipment field.
Background technology
The volume of water ring vacuum pump increases along with the increase gradually of capacity, the pump housing diameter of current water ring vacuum pump is all at more than 1m, what have even reaches 3 ~ 4m, this brings very large difficulty with regard to giving the processing of the pump housing, the such as processing of pump housing two ends locating hole, the pump housing needs locating and machining hole to locate and the position of fixed allocation plate, drilling machine is processed the position that the center of the pump housing first will be found could to determine locating hole further, all that manual measurement calculates pump housing center in the past, but along with the increase gradually of pump housing diameter, measure error easily increases, pump housing center after calculating and physical location deviation very large, the pump housing and distribution plate is easily caused to assemble, and manual measurement workload is large, labour intensity is large, very large difficulty is caused to the processing of increasing water ring vacuum pump, machining accuracy is difficult to be protected.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides that a kind of operating efficiency is high, accurate positioning, and the water ring vacuum pump pump housing improving locating hole machining accuracy bores locating hole frock.
The technical solution adopted for the present invention to solve the technical problems is: this water ring vacuum pump pump housing bores locating hole frock, comprising:
One clamp body, has the workbench of a level;
One eccentric wheel, what horizontally rotate is fixed on the upside of workbench;
At least three push rods, with eccentric pivot for the radial distribution in the center of circle, the angle between adjacent push rod is equal, and what each push rod radially slided respectively by guider is arranged on the upside of workbench;
Eccentric wheel driving mechanism, is connected with eccentric wheel by eccentric wheel main shaft;
The pump housing is vertically placed on workbench, and eccentric wheel and push rod are all positioned at inside the pump housing, and eccentric wheel circumference profile matches with each push rod the inner, and eccentric wheel drives push rod outer end to abut pump housing inwall, and the central shaft of the pump housing is overlapped with eccentric pivot.Push rod outer end is identical to the distance of eccentric wheel pivot, the pump housing can be made to realize self-centering after push rod outer end abuts with pump housing inwall, thus can find the position of locating hole accurately, easy to operate, improve operating efficiency, and machining accuracy is better, reduces labor strength.
Further, the pump housing being fixed with the arrangement of multiple circle spacing on the upside of described workbench supports key, and the pump housing supports the upper surface of upper surface higher than workbench of key, and pump housing lower end is dropped on the pump housing and supported on key.The flatness of workbench is difficult to be guaranteed, and processing is also very difficult, and the flatness that the pump housing supports key easily ensures, the machining accuracy of further raising pump housing locating hole, and the frictional force that the pump housing slides on pump housing support key is very little, reduce the resistance of eccentric wheel driving mechanism, simultaneously because the weight of the pump housing is very large, enough hardness is had to support the pump housing, pump housing support key is the steel matter after quenching, wanting of hardness ratio workbench is large many, prevent from deforming in use procedure, support key to the pump housing to carry out quenching obviously to want the whole workbench of comparison to carry out quenching easy.
Preferably, described guider comprises the tip-lever support being fixed on workbench upper side, what push rod radially slided is located in tip-lever support, a long keyway is offered inside tip-lever support, long keyway is arranged along the glide direction of push rod, on push rod, correspondence is fixed with a positioning key, and positioning key slides and is positioned at long keyway.Positioning key slides in long keyway, while ensureing that push rod radially slides, prevents push rod generation autobiography, reliable operation.
Further, be provided with back-moving spring between described tip-lever support and push rod, back-moving spring drives push rod automatic retracted.After completing pump housing centering, eccentric samsara turns, and push rod is automatic retracted under the effect of back-moving spring, easy to operate, and when can prevent the locating hole processing the next pump housing, the pump housing and push rod collide.
Further, be provided with a press-fit priming cup on the upside of described tip-lever support, long keyway is communicated with the oil-out of press-fit priming cup.Positioning key and push rod are lubricated, reliable operation, and press-fit priming cup is easy to operate, and prevents oil leak, clean hygiene.
Further, described push rod the inner is provided with the driving wheel with eccentric wheel Structure deformation, and outer end is provided with the locating wheel with pump housing inwall Structure deformation.Replace sliding friction by rolling friction, reduce the resistance in pump housing adjustment process further, prevent from causing damage to eccentric wheel and the pump housing simultaneously.
Further, described workbench is provided with anti-striker in the both sides of push rod outer end, and anti-striker is vertically arranged.When being placed on workbench by the pump housing, the pump housing can swing, and need the mobile pump housing to be positioned at inside the pump housing to make eccentric wheel and push rod, the pump housing easily collides push rod outer end in the process, and anti-striker can prevent the pump housing from touching push rod outer end, safe and reliable.
Further, a bearing block is fixed with in the middle part of described workbench, bearing block top external diameter is greater than lower outer diameter, upper inner diameter is less than lower inner diameter, bearing block top seal is fixed on the upper surface of workbench, eccentric wheel main shaft is vertically through bearing block, be provided with bearing between bearing block bottom and eccentric wheel main shaft, be provided with eccentric wheel spacer between bearing block top and eccentric wheel main shaft, bearing block lower end is provided with the bearing cap of sealing rigid bearing; Described eccentric wheel driving mechanism comprises and is fixed on worm gear on the downside of workbench and worm screw, and worm gear is fixedly connected with eccentric wheel main shaft lower end.The good airproof performance of bearing, preventing the iron filings when processing the locating hole of pump housing upper end from entering in bearing, improving the service life of bearing.
Further, also comprise the shim of U-shaped, pump housing end is provided with locating hole processing ear at locating hole place, workbench is circular, shim is enclosed within the upside of locating hole processing ear and on the downside of workbench, and screwed hole is offered on the upside of shim and/or downside, and bolt fixes the pump housing and clamp body through screwed hole.Prevent the pump housing to be subjected to displacement when locating and machining hole, fixation, improve the machining accuracy of locating hole further.
Compared with prior art, the beneficial effect that the technique scheme that this water ring vacuum pump pump housing bores locating hole frock has is:
1, eccentric wheel rotates and the top rod driving pump housing is moved, push rod outer end is identical to the distance of eccentric wheel pivot, the pump housing can be made to realize self-centering after push rod outer end abuts with pump housing inwall, thus the position of locating hole can be found accurately, overcome in the past manually calculate speed slow, workload is large, error is large, the shortcomings such as machining accuracy is low, easy to operate, improve operating efficiency, and machining accuracy is better, meet the processing request of the water ring vacuum pump that size increases day by day, reduce labor strength simultaneously.
2, the pump housing supports the upper surface of upper surface higher than workbench of key, pump housing lower end is dropped on the pump housing and is supported on key, the flatness of workbench is difficult to be guaranteed, and processing is also very difficult, and the flatness that the pump housing supports key easily ensures, the machining accuracy of further raising pump housing locating hole, and the frictional force that the pump housing slides on pump housing support key is very little, reduces the load of eccentric wheel driving mechanism; Easy to process, because the weight of the pump housing is very large, enough hardness is had to support the pump housing, pump housing support key is the steel matter after quenching, wanting of hardness ratio workbench is large many, prevent from deforming in use procedure, key is supported to the pump housing and carries out quenching obviously to want the whole workbench of comparison to carry out quenching easy.
3, ensure that push rod radially slides by tip-lever support, positioning key slides in long keyway, while ensureing that push rod radially slides, prevents push rod generation autobiography, reliable operation.
4, after completing pump housing centering, eccentric samsara turns, and push rod is automatic retracted under the effect of back-moving spring, easy to operate, and when can prevent the locating hole processing the next pump housing, the pump housing and push rod collide.
5, workbench is provided with anti-striker in the both sides of push rod outer end, when being placed on workbench by the pump housing, the pump housing can swing, and need the mobile pump housing to be positioned at inside the pump housing to make eccentric wheel and push rod, the pump housing easily collides push rod outer end in the process, anti-striker can prevent the pump housing from touching push rod outer end, safe and reliable.
6, bearing block top seal is fixed on the upper surface of workbench, and be provided with eccentric wheel spacer between bearing block top and eccentric wheel main shaft, prevent the iron filings when processing the locating hole of pump housing upper end from entering in bearing, improve the service life of bearing, and worm gear and worm screw are fixed on the downside of workbench, prevent iron filings from entering eccentric wheel driving mechanism, work safety, stable.
7, shim is enclosed within the upside of locating hole processing ear and on the downside of workbench, when processing pump housing upper end locating hole, and the discontinuity of the pump housing, and due to the pump housing vertically place after highly large, crank, easily occurs to swing or displacement, fixedly secure the pump housing by shim, improve machining accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation that this water ring vacuum pump pump housing bores locating hole frock.
Fig. 2 is the close-up schematic view of push rod and eccentric wheel driving mechanism in Fig. 1.
Fig. 3 is the partial enlarged drawing at A place in Fig. 2.
Fig. 4 is the top view of Fig. 1.
Wherein: 1, shim 2, the pump housing 201, locating hole processing ear 3, clamp body 301, workbench 4, tip-lever support 5, push rod 6, eccentric wheel 7, worm gear 8, worm screw 9, fixture terminal pad 10, the pump housing supports key 11, clamp body positioning key 12, base 13, locating wheel 14, back-moving spring 15, driving wheel 16, eccentric wheel main shaft 17, eccentric wheel spacer 18, bearing block 19, bearing 20, bearing cap 21, long keyway 22, positioning key 23, press-fit priming cup 24, anti-striker.
Detailed description of the invention
Fig. 1 ~ 4 are most preferred embodiments that the water ring vacuum pump pump housing of the present invention bores locating hole frock, and below in conjunction with accompanying drawing 1 ~ 4, the present invention will be further described.
With reference to Fig. 1 ~ 4, this water ring vacuum pump pump housing bores locating hole frock, comprise clamp body 3, eccentric wheel 6 and push rod 5, the pump housing 2 is vertically fixed on the upside of clamp body 3, eccentric wheel 6 and push rod 5 are all positioned at inside the pump housing 2, push rod 5 has angle to be 120 ° three, each push rod 5 outer end is identical to the distance of eccentric wheel 6 pivot, eccentric wheel 6 rotary actuation push rod 5 radially Slideslip, push rod 5 outer end abuts the inner side of the pump housing 2, thus make the pump housing 2 realize self-centering, the central axis of the pump housing 2 is overlapped with the pivot of eccentric wheel 6.
With reference to Fig. 1; be fixed on the upper end of base 12 by a fixture terminal pad 9 in the middle part of clamp body 3; the circumference of clamp body 3 is also located by clamp body positioning key 11 and base 12 simultaneously; and be bolted to connection; clamp body positioning key 11 can effectively prevent clamp body 3 from rotating in the course of the work; improve machining accuracy, drive the eccentric wheel driving mechanism of eccentric wheel 6 to be fixed on inside fixture terminal pad 9, available protecting is carried out to eccentric wheel driving mechanism.The pump housing 2 end is provided with locating hole processing ear 201 at locating hole place, workbench 301 is circular, shim 1 open horizontal of U-shaped is inwardly enclosed within the upside of locating hole processing ear 201 and on the downside of workbench 301, screwed hole is offered in shim about 1 both sides, after the pump housing 2 completes centering, bolt fixes the pump housing 2 and clamp body 3 through screwed hole by shim 1, prevent from being subjected to displacement at the process middle pump body 2 in locating and machining hole, improve machining accuracy, and structure is simple.
With reference to Fig. 1 ~ 2, clamp body 3 has the workbench 301 of a level, eccentric wheel 6 and push rod 5 are positioned at the upside of workbench 301, the pump housing 2 is vertically placed on the upside of workbench 301, push rod 5 the inner is provided with the driving wheel 15 with eccentric wheel 6 Structure deformation, push rod 5 outer end is provided with the locating wheel 13 with the pump housing 2 inwall Structure deformation, sliding friction is replaced by rolling friction, resistance in the further reduction pump housing 2 adjustment process, prevent from causing damage to eccentric wheel 6 and the pump housing 2 simultaneously, the upside of workbench 301 is fixed with tip-lever support 4, what push rod 5 radially slided is arranged in tip-lever support 4, tip-lever support 4 pairs of push rods 5 lead, preferably, back-moving spring 14 is provided with in tip-lever support 4, push rod 5 is greater than the step of point diameter for rear end diameter, back-moving spring 14 is enclosed within front side of push rod 5, after completing the centering to the pump housing 2, eccentric wheel 6 turns round, back-moving spring 14 drives push rod 5 automatic retracted, easy to operate, and the pump housing 2 and push rod 5 collide when can prevent the locating hole processing the next pump housing 2.
With reference to Fig. 2, eccentric wheel driving mechanism comprises worm gear 7 and worm screw 8, eccentric wheel 6 is connected with worm gear 7 by an eccentric wheel main shaft 16, worm gear 7 connecting worm 8, worm gear 7, worm screw 8 are positioned at the downside of workbench 301, avoid the pump housing 2 pairs of worm gears 7 and worm screw 8 to cause damage, and the moment of torsion that worm and gear drives is large, stable output, can effectively drive the pump housing 2 to slide.
The middle part of workbench 301 is fixed with a bearing block 18, eccentric wheel main shaft 16 is vertically through bearing block 18, the top external diameter of bearing block 18 is greater than lower outer diameter, upper inner diameter is less than lower inner diameter, bearing block 18 top seal is fixed on the upper surface of workbench 301, bearing 19 is provided with between bearing block 18 bottom and eccentric wheel main shaft 16, eccentric wheel spacer 17 is provided with between bearing block 18 top and eccentric wheel main shaft 16, bearing block 18 lower end is provided with the bearing cap 20 of sealing rigid bearing 19, having a lot of iron filings when boring the locating hole of the pump housing 2 upper end drops on workbench 301, bearing block 18 top seal is fixed on the upper surface of workbench 301, can effectively prevent iron filings from entering in bearing 19, eccentric wheel spacer 17 can improve the sealing of bearing block 18 further, improve the service life of bearing 19.
With reference to Fig. 3, further, the inner side of tip-lever support 4 offers a long keyway 21, on push rod 5, correspondence is fixed with a positioning key 22, positioning key 22 is slidably arranged in long keyway 21, positioning key 22 does not affect radially sliding of push rod 5, but can prevent push rod 5 from rotation occurring, and improves the reliability that push rod 5 works.Further, be provided with a press-fit priming cup 23 on the upside of tip-lever support 4, and long keyway 21 is communicated with press-fit priming cup 23, is lubricated by press-fit priming cup 23 pairs of positioning keys 22 and push rod 5, and can oil leakage be prevented, clean hygiene.
With reference to Fig. 1, 4, the pump housing being fixed with the arrangement of multiple circle spacing on the upside of workbench 301 supports key 10, the pump housing supports the upper surface of upper surface higher than workbench 301 of key 10, the pump housing 2 lower end is dropped on the pump housing and is supported on key 10, the flatness of workbench 301 is difficult to be guaranteed, and processing is also very difficult, and pump housing support key 10 volume is little, flatness easily ensures, the machining accuracy of the further raising pump housing 2 locating hole, and the frictional force that the pump housing 2 supports slip on key 10 at the pump housing is very little, reduce the resistance of eccentric wheel driving mechanism, simultaneously because the weight of the pump housing 2 is very large, there is enough hardness could support the pump housing 2, the pump housing supports key 10 and adopts the steel matter after quenching, wanting of hardness ratio workbench 301 is large many, prevent from deforming in use procedure, support key 10 to the pump housing to carry out quenching obviously to want the whole workbench 301 of comparison to carry out quenching easy.
With reference to Fig. 4, in figure, dotted line is the outline of the pump housing 2, workbench 301 is provided with anti-striker 24 in the both sides of push rod 5 outer end, anti-striker 24 is vertically arranged, and can swing when being placed on workbench 301 by the pump housing 2, and needs the mobile pump housing 2 to be positioned at inside the pump housing 2 to make eccentric wheel 6 and push rod 5, the pump housing 2 easily collision push rod 5 outer end in the process, anti-striker 24 can prevent the pump housing 2 from touching push rod 5 outer end, safe and reliable, and structure is simple.
The present invention also comprises an alignment pin, workbench 301 offers fixing hole, fixing hole is identical with the position of positioning hole of the pump housing, after the locating hole processing the pump housing 2 upper end, the pump housing 2 to be overturn, continue the locating hole of the processing other end, now alignment pin is fixed in fixing hole, the locating hole that the pump housing 2 has machined after overturning is sleeved on alignment pin, realize the centering to the pump housing 2, further reduction workload, increases work efficiency, and can check whether the locating hole processing of the pump housing 2 is qualified by alignment pin simultaneously.
The course of work: worm screw 8 drives worm gear 7 to rotate, worm gear 7 drives eccentric wheel 6 to horizontally rotate by eccentric wheel main shaft 16, the lateral profile of eccentric wheel 6 matches with the inner of push rod 5, eccentric wheel 6 drives push rod 5 to slide to radial outside, eccentric wheel 6 outer end drives the pump housing 2 to support slip on key 10 at the pump housing by locating wheel 13, the central shaft of the pump housing 2 is finally made to overlap with the pivot of eccentric wheel 6, the pivot of eccentric wheel 6 is set to the initial point of planer drilling machine, just can find the position of three locating holes in the pump housing 2 upper end fast and accurately, increase work efficiency, reduce labor strength, improve the machining accuracy of locating hole.
Below be only the most preferred embodiment that the water ring vacuum pump pump housing of the present invention bores locating hole frock, this water ring vacuum pump pump housing bores locating hole frock can also adopt following structure: eccentric wheel driving mechanism can also adopt other drive mechanisms such as belt transmission or hydraulic drive; Also eccentric wheel driving mechanism can be fixed on the upside of workbench 301; Guider can also adopt the structure of slide rail pair; Push rod 5 can have the quantity of more than three, circumferential uniform intervals distribution; Push rod 5 can adopt the mode of manual retrieving; Bearing 19 can directly be fixed between workbench 301 and eccentric wheel main shaft 16.
The above, it is only preferred embodiment of the present invention, it is not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations, such as, eccentric wheel is used instead the cam of sheave or other structures.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (9)
1. the water ring vacuum pump pump housing bores a locating hole frock, it is characterized in that comprising:
One clamp body (3), has the workbench (301) of a level;
One eccentric wheel (6), what horizontally rotate is fixed on workbench (301) upside;
At least three push rods (5), be the radial distribution in the center of circle with the pivot of eccentric wheel (6), the angle between adjacent push rod (5) is equal, and what each push rod (5) radially slided respectively by guider is arranged on workbench (301) upside;
Eccentric wheel driving mechanism, is connected with eccentric wheel (6) by eccentric wheel main shaft (16);
The pump housing (2) is vertically placed on workbench (301), eccentric wheel (6) and push rod (5) are all positioned at the pump housing (2) inner side, eccentric wheel (6) circumference profile matches with each push rod (5) the inner, eccentric wheel (6) drives push rod (5) outer end to abut the pump housing (2) inwall, and the central shaft of the pump housing (2) is overlapped with the pivot of eccentric wheel (6).
2. the water ring vacuum pump pump housing according to claim 1 bores locating hole frock, it is characterized in that: the pump housing that described workbench (301) upside is fixed with the arrangement of multiple circle spacing supports key (10), the pump housing supports the upper surface of upper surface higher than workbench (301) of key (10), and the pump housing (2) lower end is dropped on the pump housing and supported on key (10).
3. the water ring vacuum pump pump housing according to claim 1 bores locating hole frock, it is characterized in that: described guider comprises the tip-lever support (4) being fixed on workbench (301) upper side, what push rod (5) radially slided is located in tip-lever support (4), tip-lever support (4) inner side offers a long keyway (21), long keyway (21) is arranged along the glide direction of push rod (5), the upper correspondence of push rod (5) is fixed with a positioning key (22), and positioning key (22) slides and is positioned at long keyway (21).
4. the water ring vacuum pump pump housing according to claim 3 bores locating hole frock, it is characterized in that: be provided with back-moving spring (14) between described tip-lever support (4) and push rod (5), and back-moving spring (14) drives push rod (5) automatic retracted.
5. the water ring vacuum pump pump housing according to claim 3 bores locating hole frock, it is characterized in that: described tip-lever support (4) upside is provided with a press-fit priming cup (23), and long keyway (21) is communicated with the oil-out of press-fit priming cup (23).
6. the water ring vacuum pump pump housing according to claim 1 bores locating hole frock, it is characterized in that: described push rod (5) the inner is provided with the driving wheel (15) with eccentric wheel (6) Structure deformation, outer end is provided with the locating wheel (13) with the pump housing (2) inwall Structure deformation.
7. the water ring vacuum pump pump housing according to claim 1 bores locating hole frock, and it is characterized in that: described workbench (301) is provided with anti-striker (24) in the both sides of push rod (5) outer end, anti-striker (24) is vertically arranged.
8. the water ring vacuum pump pump housing according to claim 1 or 7 bores locating hole frock, it is characterized in that: described workbench (301) middle part is fixed with a bearing block (18), the top external diameter of bearing block (18) is greater than lower outer diameter, upper inner diameter is less than lower inner diameter, bearing block (18) top seal is fixed on the upper surface of workbench (301), eccentric wheel main shaft (16) is vertically through bearing block (18), bearing (19) is provided with between bearing block (18) bottom and eccentric wheel main shaft (16), eccentric wheel spacer (17) is provided with between bearing block (18) top and eccentric wheel main shaft (16), bearing block (18) lower end is provided with the bearing cap (20) of sealing rigid bearing (19), described eccentric wheel driving mechanism comprises the worm gear (7) and worm screw (8) that are fixed on workbench (301) downside, and worm gear (7) is fixedly connected with eccentric wheel main shaft (16) lower end.
9. the water ring vacuum pump pump housing according to claim 1 and 2 bores locating hole frock, it is characterized in that: the shim (1) also comprising U-shaped, the pump housing (2) end is provided with locating hole processing ear (201) at locating hole place, workbench (301) is circular, shim (1) is enclosed within locating hole processing ear (201) upside and workbench (301) downside, screwed hole is offered in shim (1) upside and/or downside, and bolt fixes the pump housing (2) and clamp body (3) through screwed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530167.9A CN104369012A (en) | 2014-10-10 | 2014-10-10 | Pump body positioning hole drilling tool of water ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530167.9A CN104369012A (en) | 2014-10-10 | 2014-10-10 | Pump body positioning hole drilling tool of water ring vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104369012A true CN104369012A (en) | 2015-02-25 |
Family
ID=52548339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410530167.9A Pending CN104369012A (en) | 2014-10-10 | 2014-10-10 | Pump body positioning hole drilling tool of water ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104369012A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719968A (en) * | 2019-10-28 | 2021-04-30 | 上海国上机电科技有限公司 | Device for drilling deep hole on bearing pedestal of machining center |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03131435A (en) * | 1989-10-07 | 1991-06-05 | Emitec G Fuer Emissions Technol Mbh | Method of mounting assembled shaft and its device |
| JPH09290340A (en) * | 1996-04-25 | 1997-11-11 | Nikon Corp | Gentering device for circular unit |
| CN103111659A (en) * | 2013-02-27 | 2013-05-22 | 邱炳顺 | Numerical-control racket drilling method and machine |
| CN204221434U (en) * | 2014-10-10 | 2015-03-25 | 淄博水环真空泵厂有限公司 | The water ring vacuum pump pump housing bores locating hole frock |
-
2014
- 2014-10-10 CN CN201410530167.9A patent/CN104369012A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03131435A (en) * | 1989-10-07 | 1991-06-05 | Emitec G Fuer Emissions Technol Mbh | Method of mounting assembled shaft and its device |
| JPH09290340A (en) * | 1996-04-25 | 1997-11-11 | Nikon Corp | Gentering device for circular unit |
| CN103111659A (en) * | 2013-02-27 | 2013-05-22 | 邱炳顺 | Numerical-control racket drilling method and machine |
| CN204221434U (en) * | 2014-10-10 | 2015-03-25 | 淄博水环真空泵厂有限公司 | The water ring vacuum pump pump housing bores locating hole frock |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719968A (en) * | 2019-10-28 | 2021-04-30 | 上海国上机电科技有限公司 | Device for drilling deep hole on bearing pedestal of machining center |
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Application publication date: 20150225 |