CN205799367U - A kind of pulley extractor and wheel disc thereof - Google Patents
A kind of pulley extractor and wheel disc thereof Download PDFInfo
- Publication number
- CN205799367U CN205799367U CN201620502997.5U CN201620502997U CN205799367U CN 205799367 U CN205799367 U CN 205799367U CN 201620502997 U CN201620502997 U CN 201620502997U CN 205799367 U CN205799367 U CN 205799367U
- Authority
- CN
- China
- Prior art keywords
- locating slot
- wheel disc
- disk body
- card
- positioning section
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of pulley extractor and wheel disc thereof.Pressing of wheel disc offers the locating slot pulling out wheel disc for accommodating band in card, the groove bottom of locating slot arranges location gap, and the trough wall surface of locating slot has the positioning section for the circular arc being fitted on the outer peripheral face treating tape poking wheel of coincideing, and positioning section is coaxial with disk body.After so on wheel disc cutting ferrule motor shaft, along with the card that presses of the disk body of wheel disc is pressed on the end face towards motor body treating tape poking wheel, treat that tape poking wheel can snap in the locating slot pressing in card, and the positioning section of the trough wall surface of locating slot can coincide and be fitted on the outer peripheral face treating tape poking wheel, the relative position between positioning section and groove bottom is utilized to ensure to treat that tape poking wheel does not haves deflection during being pressed, also avoid belt pulley during being unplugged with the problem of motor shaft skewed relative, avoid belt pulley and clamping stagnation will not occur during being unplugged on motor shaft, make belt pulley dismounting on motor shaft time saving and energy saving.
Description
Technical field
This utility model relates to a kind of pulley extractor and wheel disc thereof.
Background technology
At present, the output shaft of conventional motors uses interference fit or interference fits with belt pulley, but during life-time service due to when script transition (or interference) coordinates iron atom interpenetrate, belt pulley is caused to be difficult to pull up from output shaft, waste time and energy during causing execute-in-place and the wheel rim of fragile belt pulley is (owing to belt pulley material is cast iron, fragile wheel rim when using common pulley extractor drawing), drastically influence the normal production of oil well.
The Chinese patent literature CN 202985044 U(day for announcing is on June 12nd, 2013) disclose " hydraulic wheel puller ", including wheel disc positioned opposite and stress dish, wheel disc and stress dish are removable connected by three connection screw rods that circumference is uniform, and offer on wheel disc for from radially blocking the location gap of the U-shaped being placed on the output shaft of motor, location gap extends to centre from the edge of wheel disc；Connecting on stress dish and have coaxially arranged jack, the telescopic head of jack can stretch out from stress dish towards the side of wheel disc.When needing to pull up belt pulley from the output shaft of motor, the position first wheel disc being fastened on the output shaft of motor between belt pulley and motor body by location gap, then by three connecting bolts, stress dish is connected on wheel disc in the side of belt pulley wheel disc dorsad, then pass through jack pressurization, on the axle head of the output shaft that the telescopic head of jack acts on motor, the cylinder body of jack pulls up belt pulley by stress dribbling runner disc, until belt pulley is extruded from output shaft by wheel disc.But during pulling up belt pulley, the telescopic head of jack is coaxial with output shaft, and without corresponding location structure between wheel disc and belt pulley, so during pulling up belt pulley on output shaft, wheel disc easily and produces skewed relative between belt pulley, so that wheel disc presses the direction of the active force of belt pulley and the axially opposing deflection of output shaft, thus cause belt pulley easily to produce clamping stagnation during being unplugged, or even stuck phenomenon, the operation not only making belt pulley be unplugged from output shaft can not smoothly complete, and can make the matching part of belt pulley and output shaft that damage occurs, affect the axiality of belt pulley and output shaft.
Utility model content
The purpose of this utility model be to provide a kind of avoid belt pulley during being unplugged with the wheel disc of motor shaft skewed relative, additionally provide a kind of pulley extractor using this wheel disc simultaneously.
In order to realize object above, in this utility model, the technical scheme of wheel disc is as follows:
Wheel disc, including disk body, at least one end card of disk body is to press card for be fitted on the end face towards motor body treating tape poking wheel, the location gap for being radially fastened on motor shaft is offered on disk body, location gap extends from disk body edge to center, press and in card, offer the locating slot pulling out wheel disc for accommodating band, the blind end of described location gap is on the bottom land of locating slot, the trough wall surface of locating slot has the positioning section for the circular arc being fitted on the outer peripheral face treating tape poking wheel of coincideing, and positioning section is coaxially arranged with disk body.
Locating slot is one end open, half groove of one end closing, and the opening of the opening of half groove and location gap is on the homonymy edge of disk body.
Described positioning section is the end face of the blind end of half groove, and the arc profile line of positioning section is semi arch curve or minor arc curve, and the wall of the blind end of location gap is the arc surface coaxial with positioning section.
The central angle of the blind end wall of location gap and the correspondence of positioning section is equal.
Locating slot has two or more, the trough wall surface of each locating slot is parallel to each other, groove bottom is parallel to each other, and each locating slot is pressing in card from shallow from big to small to deeply successively arranging, in the groove bottom of the notch that the notch of the locating slot of deep layer is in the locating slot of shallow-layer, described location gap is in the groove bottom of the locating slot of shallow-layer.
Offering the bolt penetration hole of the circumferentially spaced layout of two or more on disk body, bolt penetration hole is the elongated hole radially extended along disk body, and the aperture, one end pressing card dorsad of bolt penetration hole is the countersunk head aperture that the head for connecting bolt sinks to.
In this utility model, the technical scheme of pulley extractor is as follows:
Pulley extractor, including for loading on motor shaft in the wheel disc of the position treated between tape poking wheel and motor body, at least one end card of the disk body of wheel disc is to press card for be fitted on the end face towards motor body treating tape poking wheel, the location gap for being radially fastened on motor shaft is offered on disk body, location gap extends from disk body edge to center, press and in card, offer the locating slot pulling out wheel disc for accommodating band, the blind end of described location gap is on the bottom land of locating slot, the trough wall surface of locating slot has the positioning section for the circular arc being fitted on the outer peripheral face treating tape poking wheel of coincideing, positioning section is coaxially arranged with disk body.
Locating slot is one end open, half groove of one end closing, and the opening of the opening of half groove and location gap is on the homonymy edge of disk body.
Locating slot has two or more, the trough wall surface of each locating slot is parallel to each other, groove bottom is parallel to each other, and each locating slot is pressing in card from shallow from big to small to deeply successively arranging, in the groove bottom of the notch that the notch of the locating slot of deep layer is in the locating slot of shallow-layer, described location gap is in the groove bottom of the locating slot of shallow-layer.
The opposite side pressing card of wheel disc is connected by connecting bolt stress dish, and on disk body, offer the bolt penetration hole of the circumferentially spaced layout of two or more, being installed in bolt penetration hole of connecting bolt correspondence respectively, bolt penetration hole is the elongated hole radially extended along disk body, and the aperture, one end pressing card dorsad of bolt penetration hole is the countersunk head aperture that the head for connecting bolt sinks to.
In this utility model, pressing of wheel disc offers the locating slot pulling out wheel disc for accommodating band in card, location gap is set in the groove bottom of locating slot, the trough wall surface of locating slot has the positioning section for the circular arc being fitted on the outer peripheral face treating tape poking wheel of coincideing, and positioning section is coaxial with disk body.After so on wheel disc cutting ferrule motor shaft, along with the card that presses of the disk body of wheel disc is pressed on the end face towards motor body treating tape poking wheel, treat that tape poking wheel can snap in the locating slot pressing in card, and the positioning section of the trough wall surface of locating slot can coincide and be fitted on the outer peripheral face treating tape poking wheel, the relative position between positioning section and groove bottom is utilized to ensure to treat that tape poking wheel does not haves deflection during being pressed, also avoid belt pulley during being unplugged with the problem of motor shaft skewed relative, avoid belt pulley and clamping stagnation will not occur during being unplugged on motor shaft, make belt pulley dismounting on motor shaft time saving and energy saving, it also avoid belt pulley to be damaged during pulling up simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of pulley extractor of the present utility model；
Fig. 2 is the perspective view of wheel disc in Fig. 1；
Fig. 3 is the front view of Fig. 2；
Fig. 4 is the rearview of Fig. 3；
Fig. 5 is the structural representation of stress dish in Fig. 1.
Detailed description of the invention
The embodiment of pulley extractor in this utility model: as shown in Figures 1 to 5, this pulley extractor is a kind of motor wheel puller special being applicable to and changing motor pulley to adjust beam-pumping unit jig frequency, is mainly made up of wheel disc 3, fastening assembly, stress dish 1 and screw jack.
The main part of wheel disc 3 is discoid disk body, the front end face of disk body is for pressing card 31, press and in card 31, offer three locating slots successively arranged 32, each locating slot 32 is the outer end opening radially extended along disk body, half groove of the inner U-shaped closed, the positioning section 34 of semicircular arc that three side channel walls of locating slot 32 respectively two are parallel to each other and are connected to along 33, transition of the lead segment radially extended of disk body between the inner of two lead segment 33, and the trough wall surface of each locating slot 32 is parallel to each other, is each perpendicular to press card 31.What the groove bottom of locating slot 32 was parallel to disk body presses card 31, and the locating slot 32 of deep layer is on the bottom land of locating slot 32 of shallow-layer.Offer on the bottom land of the locating slot 32 of bottommost layer with locating slot 32 along same extension center line, the location gap 35 of the U-shaped extended towards center by the periphery of disk body, the groove bottom of the location through locating slot of gap 35 32 and rear end card, respectively two planar sections being parallel to each other of three side internal faces of location gap 35 and transition are connected to the cambered surface section of the semicircular arc between the inner of two planar sections, disk body, the positioning section 34 of cambered surface section and each locating slot 32 is coaxially arranged, and the central angle of cambered surface section and each positioning section 34 is 180 ° of angles, the radius of cambered surface section and each positioning section 34 is by being deep to shallow being gradually increased.
Three circumferentially spaced uniform rear bolt penetration hole 36 it are further opened with on the disk body of wheel disc 3, after three, bolt penetration hole 36 is the long kidney-shaped hole radially extended along disk body, the curved segment that the wall surface of the hole of long kidney-shaped hole is parallel to each other by two and before and after the straight section that radially extends along disk body and two straight sections, two ends transition respectively is connected to semicircular arc.The aperture, rear end of rear bolt through-hole is countersunk head aperture, and the head that this countersunk head aperture is available for connecting bolt 2 sinks to so that connecting bolt 2 in connected state, the head of connecting bolt 2 concordant with the rear end face of disk body.Offering three front bolt penetration hole 11 corresponding with rear bolt penetration hole 36 on stress dish 1, in three the most circumferentially spaced circumferences being distributed on stress dish 1 of front bolt penetration hole 11, and each front bolt penetration hole 11 is the long kidney-shaped hole radially extended along stress dish 1.Connecting bolt 2 is divided into spiro rod section, light bar segment and head cap body from front to back, wherein stretches out in the aperture, front end of spiro rod section bolt penetration hole 11 in the past, extension is installed with block locking nut before stress dish 1；Light bar segment is connected between spiro rod section and head cap body；Head cap body is in the countersunk head aperture of rear bolt penetration hole 36, and head cap body block is after wheel disc 3.
With different size of locating slot 32 on the disk body of wheel disc 3 in the present embodiment, to adapt to the belt pulley of different-diameter, and press the diameter of axle Design Orientation gap 35 of the motor shaft of maximum gauge, location gap 35 extends to center from the outer peripheral face of disk body, so that wheel disc 3 can coaxially be fastened on motor shaft.In use, first wheel disc 3 is fastened in the position between belt pulley and motor body on motor shaft, then by connecting bolt 2 by stress dish 1 releasable connection position between belt pulley on wheel disc 3, then between stress dish 1 and belt pulley, screw jack is loaded onto, and the position of connecting bolt 2 after adjusting, the pressurization finally by screw jack can make belt pulley be pulled up from motor shaft by wheel disc 3.
In other embodiments, as this pulley extractor is exclusively used in when pulling up operation of the belt pulley of single size, locating slot can also be one, and locating slot both can be such as U-lag in above-described embodiment, can also be the groove of circular trough or other shapes, only need the positioning section in locating slot with the circular arc that the outer peripheral face with belt pulley coincide.
The embodiment of wheel disc in this utility model: in the present embodiment, the structure of wheel disc is identical with the structure of wheel disc in above-described embodiment, therefore repeats no more.
Claims (10)
1. wheel disc, including disk body, at least one end card of disk body is to press card for be fitted on the end face towards motor body treating tape poking wheel, the location gap for being radially fastened on motor shaft is offered on disk body, location gap extends from disk body edge to center, it is characterized in that, press and in card, offer the locating slot pulling out wheel disc for accommodating band, the blind end of described location gap is on the bottom land of locating slot, the trough wall surface of locating slot has the positioning section for the circular arc being fitted on the outer peripheral face treating tape poking wheel of coincideing, positioning section is coaxially arranged with disk body.
Wheel disc the most according to claim 1, it is characterised in that locating slot is one end open, half groove of one end closing, and the opening of the opening of half groove and location gap is on the homonymy edge of disk body.
Wheel disc the most according to claim 2, it is characterised in that described positioning section is the end face of the blind end of half groove, and the arc profile line of positioning section is semi arch curve or minor arc curve, the wall of the blind end of location gap is the arc surface coaxial with positioning section.
Wheel disc the most according to claim 3, it is characterised in that the central angle of the blind end wall of location gap and the correspondence of positioning section is equal.
Wheel disc the most as claimed in any of claims 1 to 4, it is characterized in that, locating slot has two or more, the trough wall surface of each locating slot is parallel to each other, groove bottom is parallel to each other, and each locating slot is pressing in card from shallow from big to small to deeply successively arranging, in the groove bottom of the notch that the notch of the locating slot of deep layer is in the locating slot of shallow-layer, described location gap is in the groove bottom of the locating slot of shallow-layer.
Wheel disc the most as claimed in any of claims 1 to 4, it is characterized in that, the bolt penetration hole of the circumferentially spaced layout of two or more is offered on disk body, bolt penetration hole is the elongated hole radially extended along disk body, and the aperture, one end pressing card dorsad of bolt penetration hole is the countersunk head aperture that the head for connecting bolt sinks to.
7. pulley extractor, including for loading on motor shaft in the wheel disc of the position treated between tape poking wheel and motor body, at least one end card of the disk body of wheel disc is to press card for be fitted on the end face towards motor body treating tape poking wheel, the location gap for being radially fastened on motor shaft is offered on disk body, location gap extends from disk body edge to center, it is characterized in that, press and in card, offer the locating slot pulling out wheel disc for accommodating band, the blind end of described location gap is on the bottom land of locating slot, the trough wall surface of locating slot has the positioning section for the circular arc being fitted on the outer peripheral face treating tape poking wheel of coincideing, positioning section is coaxially arranged with disk body.
Pulley extractor the most according to claim 7, it is characterised in that locating slot is one end open, half groove of one end closing, and the opening of the opening of half groove and location gap is on the homonymy edge of disk body.
9. according to the pulley extractor described in claim 7 or 8, it is characterized in that, locating slot has two or more, the trough wall surface of each locating slot is parallel to each other, groove bottom is parallel to each other, and each locating slot is pressing in card from shallow from big to small to deeply successively arranging, in the groove bottom of the notch that the notch of the locating slot of deep layer is in the locating slot of shallow-layer, described location gap is in the groove bottom of the locating slot of shallow-layer.
10. according to the pulley extractor described in claim 7 or 8, it is characterized in that, the opposite side pressing card of wheel disc is connected by connecting bolt stress dish, and on disk body, offer the bolt penetration hole of the circumferentially spaced layout of two or more, being installed in bolt penetration hole of connecting bolt correspondence respectively, bolt penetration hole is the elongated hole radially extended along disk body, and the aperture, one end pressing card dorsad of bolt penetration hole is the countersunk head aperture that the head for connecting bolt sinks to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620502997.5U CN205799367U (en) | 2016-05-30 | 2016-05-30 | A kind of pulley extractor and wheel disc thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620502997.5U CN205799367U (en) | 2016-05-30 | 2016-05-30 | A kind of pulley extractor and wheel disc thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205799367U true CN205799367U (en) | 2016-12-14 |
Family
ID=57501298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620502997.5U Active CN205799367U (en) | 2016-05-30 | 2016-05-30 | A kind of pulley extractor and wheel disc thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205799367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109079706A (en) * | 2018-09-10 | 2018-12-25 | 阳泉煤业（集团）有限责任公司 | A kind of underground coal mine development machine coal cutting portion's motor disc type pulley extractor |
| CN109093557A (en) * | 2018-09-22 | 2018-12-28 | 中船澄西船舶修造有限公司 | A kind of gear disassembling fixture |
-
2016
- 2016-05-30 CN CN201620502997.5U patent/CN205799367U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109079706A (en) * | 2018-09-10 | 2018-12-25 | 阳泉煤业（集团）有限责任公司 | A kind of underground coal mine development machine coal cutting portion's motor disc type pulley extractor |
| CN109093557A (en) * | 2018-09-22 | 2018-12-28 | 中船澄西船舶修造有限公司 | A kind of gear disassembling fixture |
| CN109093557B (en) * | 2018-09-22 | 2021-05-25 | 中船澄西船舶修造有限公司 | Gear disassembling tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205799367U (en) | A kind of pulley extractor and wheel disc thereof | |
| EP2997279B1 (en) | Caliper disc brake of a vehicle, in particular of a commercial vehicle, and brake caliper of such a brake | |
| CN206997398U (en) | A kind of automatic uncoiler | |
| EP2473746B1 (en) | Cover mounting unit | |
| CN204353853U (en) | A kind of centering taper hole axis machining apparatus | |
| CN211101277U (en) | Cable coiler incoming straightening device | |
| CN204035320U (en) | A kind of punching die of spokes | |
| CN204823473U (en) | Width adjustable winding displacement guide pulley | |
| DE102012003325A1 (en) | Friction pad wear sensor and friction pad wear sensor assembly | |
| CN214945832U (en) | Rear end bearing seat for automobile | |
| CN203197406U (en) | Gear hobbing clamp for clamping synchronizer gear | |
| CN202572300U (en) | Installation tool for thread insert with key | |
| CN205414457U (en) | Activity clamping head | |
| CN213730621U (en) | Novel turning fixture for thin-wall end cover of explosion-proof motor | |
| EP3022057B1 (en) | Printing assembly | |
| CN205521207U (en) | A quick assembly disassembly fastener for mould equipment | |
| CN207931375U (en) | Wheel rim and spoke wheel with it | |
| CN108817958B (en) | Metal fitting's processingequipment | |
| DE102012014987A1 (en) | High impact device for tire sidewalls | |
| CN205663726U (en) | A press in nut for installing radiator | |
| CN206017639U (en) | A kind of engine crankshaft belt wheel and automobile | |
| CN220761323U (en) | Rim middle section valve hole cutting device | |
| CN109834310A (en) | A kind of disc type gear rough-turning clamp | |
| CN215059312U (en) | Take centering to decompose synchronous pulley | |
| CN201258902Y (en) | Taper sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |