CN103978456A - Adjustable pulling and sheathing device - Google Patents
Adjustable pulling and sheathing device Download PDFInfo
- Publication number
- CN103978456A CN103978456A CN201410148675.0A CN201410148675A CN103978456A CN 103978456 A CN103978456 A CN 103978456A CN 201410148675 A CN201410148675 A CN 201410148675A CN 103978456 A CN103978456 A CN 103978456A
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- China
- Prior art keywords
- hole
- base
- internal thread
- unthreaded
- limited block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Abstract
The invention relates to an adjustable pulling and sheathing device of an excavator working device. The device comprises a base, three homemade bolts, three rotary discs, three nuts, three standard bolts and a limiting block assembly, wherein the three nuts are matched with the homemade bolts, the base is in a cylinder shape, the bottom of the base is provided with three pairs of adjusting structures which are symmetrically arranged by taking the shaft center of the base as the center, the three rotary discs are respectively matched with the three pairs of adjusting structures, and the limiting block assembly comprises a limiting block, three front forks, three support rods, three springs and three adjusting slide blocks. The device has the beneficial effects that the rotary discs are rotated by different shaft sleeves to adjust, the clamping grooves of the homemade bolts are matched with radial supports (namely the limiting block assembly), and the supports are adjustable, so the homemade bolts cannot slide out due to the radial component in the pulling and sheathing process, the universality and practicality are greatly improved, and the cost is saved; in the pulling and sheathing process, the operation is convenient, the labor is saved, the safety and reliability are realized, and the permanent damage to the working device is avoided.
Description
Technical field
The present invention relates to a kind of adjustable covering device that pulls out of digger operating device.
Background technology
China Patent Publication No. is that the patent of invention of CN201931261U discloses one and pulls out covering device, comprise three bolts, pressing plate and bearing are enclosed within three bolt outsides, and the afterbody of three bolts is all connected with nut, pressing plate is between nut and bearing, and fixed head is between the front portion of bolt.The advantage of this patent is to utilize the screwing force of screw thread that axle sleeve is taken out of from equipment, simple in structure, with low cost.But this structure can only be used for the axle sleeve of a certain specific dimensions, need to customize the different covering devices that pulls out for the axle sleeve of different size, versatility is not strong.Pulling out in cover process, because stay bolt amount of deflection is large, once there is component radially bottom nut and end face of shaft bush contact position, just easily skid off, practicality is not strong simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: in order to can be used in the axle sleeve of different size, the invention provides a kind of adjustable covering device that pulls out.
The technical solution adopted for the present invention to solve the technical problems is: a kind of adjustable covering device that pulls out, comprise base, three self-control bolts, three rotating disks, three with self-control bolt matching nut and three standard bolts, described base is cylindric, its bottom be provided with base axle center be centrosymmetric distribute three pairs of adjustment structures, described adjustment structure comprises screwed hole and the looping pit of concentric setting, three rotating disks are positioned at base bottom outer surface, and match with three pairs of adjustment structures respectively, on described each rotating disk, all offer fixing hole and adjustment hole, described fixing hole is in the same size with corresponding screwed hole, the diameter of adjustment hole is consistent with the width r in corresponding annulus hole, set screwed hole center in every pair of adjustment structure to and the distance of looping pit inner ring be d1, screwed hole center to and the distance of looping pit outer ring be d2, the centre distance d of fixing hole and adjustment hole is (d2+d1)/2, three standard bolts match with three screwed holes respectively, and be connected with whorl of base with screwed hole through fixing hole successively, the front end of described self-control bolt screw rod is connected with nut with adjustment hole through looping pit successively in base.The adjustable covering device that pulls out of the present invention, can regulate by rotating rotating disk the position of three self-control bolts, thereby can extract the axle sleeve of different size.
For protective standard bolt, between described standard bolt and rotating disk, be also provided with pad.
In order to save process time, described looping pit is arcuate socket, is roughly crescent, segment section that described arcuate socket is whole looping pit (three arcuate sockets be all the same position segment section in annular hole), and it is smooth excessively that the two ends of arcuate socket are circular arc.
For fear of pulling out in cover process, because stay bolt amount of deflection is large, once there is component radially bottom nut and end face of shaft bush contact position, the technical problem just easily skidding off, the adjustable covering device that pulls out of the present invention also comprises limited block component, comprise limited block, three front forks, three struts, three springs and three adjusting sliders
Described limited block is roughly " people " font, there are three external parts, three described external parts distribute with limited block Central Symmetry, end face to limited block lateral surface corresponding to external part along each external part offers through hole, the axis of three through holes meets at a bit, angle between adjacent axis is 120 °, described through hole comprises coaxial B unthreaded hole successively, B internal thread hole and A unthreaded hole, the wherein B unthreaded hole end face of close external part, on the inwall of described B unthreaded hole, offer axial keyway, the internal diameter of B internal thread hole is a bit larger tham the internal diameter of B unthreaded hole, make the junction of B internal thread hole and B unthreaded hole form stopper slot, the internal diameter of described A unthreaded hole is consistent with the internal diameter of B internal thread hole,
Described front fork front end is semi-annular shape, rear end is a screw rod, front opening is screw rod dorsad, the end of described self-control bolt screw rod has circumferential groove, the front end of described front fork is connected in groove, described strut is an internal thread hole coordinating with screw rod, the external diameter of internal thread hole matches with B unthreaded hole internal diameter, the outer ring, rear end of internal thread hole has the boss that can snap in stopper slot, the outer ring of described internal thread hole also has the key coordinating with keyway, described adjusting slider is that outer ring is provided with externally threaded cylinder, wherein an end face offers driver flutes, the external screw thread of described adjusting slider matches with B internal thread hole, described strut, spring and adjusting slider are successively set in through hole, wherein the front end of strut stretches out B unthreaded hole, spring and adjusting slider are positioned at B internal thread hole, and adjusting slider has one end of driver flutes towards corresponding A unthreaded hole.
For the ease of assembling, described front fork has magnetic.
To fasten in order adding, on the screw rod of described front fork, to be also provided with locking nut.
In order to make limited block position accurate, be not easy to rock, described limited block upper and lower surface is plane, the center of upper surface offers A screwed hole, described base bottom centre offers the C unthreaded hole relative with A screwed hole, the described adjustable covering device that pulls out also comprises the externally threaded adjusting rod of front end band, and rear end is bent into circle, and the front end of described adjusting rod is threaded with A screwed hole through C unthreaded hole.
The invention has the beneficial effects as follows, the adjustable covering device that pulls out of the present invention, can rotate rotating disk according to different axle sleeves regulates, the draw-in groove place of self-control bolt is combined with radial support (being limited block component), support adjustable, make pull out in cover process, make bolt by oneself can be because radial component skids off, greatly improved pull out covering device versatility, practicality, reduced cost.Pull out easy to operately in cover process, laborsaving, safe and reliable simultaneously, can not cause permanent damage to equipment.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of embodiments of the invention,
Fig. 2 is the structural representation after each Assembly of the parts in Fig. 1,
Fig. 3 is the perspective view of base of the present invention,
Fig. 4 is the structural representation of base of the present invention bottom,
Fig. 5 is the A-A cutaway view of Fig. 4,
Fig. 6 is the structural representation of rotating disk of the present invention,
Fig. 7 is the structural representation of limited block component of the present invention,
Fig. 8 is the B-B cutaway view of Fig. 7,
Fig. 9 is the perspective view of limited block of the present invention,
Figure 10 is the structural representation of limited block of the present invention,
Figure 11 is the C-C cutaway view of Figure 10,
Figure 12 is the structural representation of front fork of the present invention,
Figure 13 is the structural representation of strut of the present invention,
Figure 14 is the structural representation of adjusting slider of the present invention.
In figure: 1, base, 11, screwed hole, 12, arcuate socket, 13, C unthreaded hole, 2, self-control bolt, 21, groove, 3, rotating disk, 31, fixing hole, 32, adjustment hole, 4, nut, 5, standard bolt, 6, pad, 7, limited block component, 71, limited block, 711, external part, 712, B unthreaded hole, 7121, keyway, 713, B internal thread hole, 714, A unthreaded hole, 715, stopper slot, 716, A screwed hole, 72, front fork, 721, screw rod, 722, locking nut, 73, strut, 731, internal thread hole, 732, boss, 733, key, 74, spring, 75, adjusting slider, 751, driver flutes, 8, adjusting rod.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Fig. 1-14, embodiments of the invention, a kind of adjustable covering device that pulls out, comprise base 1, three self-control bolts 2, three rotating disks 3, three nut 4 and three standard bolts 5 supporting with making bolt 2 by oneself, base 1 is cylindric, its bottom be provided with base axle center be centrosymmetric distribute three pairs of adjustment structures, every pair of adjustment structure includes screwed hole 11 and the looping pit of concentric setting, three rotating disks 3 are positioned at the outer surface of base 1 bottom, and match with three pairs of adjustment structures respectively, on each rotating disk 3, all offer fixing hole 31 and adjustment hole 32, described fixing hole 31 is in the same size with corresponding screwed hole 11, the diameter of adjustment hole 32 is consistent with the width r in corresponding annulus hole, set screwed hole 11 centers in every pair of adjustment structure to and the distance of looping pit inner ring be d1, screwed hole 11 centers to and the distance of looping pit outer ring be d2, the centre distance d of fixing hole 31 and adjustment hole 32 is (d2+d1)/2, three standard bolts 5 match with three screwed holes 11 respectively, standard bolt 5 is successively through pad 6, fixing hole 31 on rotating disk 3 then with base 1 on screwed hole 11 be threaded, the front end of self-control bolt 2 screw rods passes successively looping pit in base 1, then adjustment hole 32 on rotating disk 3 is connected with nut 4.Looping pit is arcuate socket 12, the segment section that described arcuate socket 12 is whole looping pit, and it is smooth excessively that the two ends of arcuate socket 12 are circular arc.
The adjustable covering device that pulls out also comprises limited block component 7, comprises limited block 71, three front forks 72, three struts 73, three springs 74 and three adjusting sliders 75,
Described limited block 71 is roughly " people " font, there are three external parts 711, three described external parts 711 distribute with limited block 71 Central Symmetries, end face to limited block 71 lateral surfaces of external part 711 correspondences along each external part 711 offer through hole, the axis of three through holes meets at a bit, angle between adjacent axis is 120 °, through hole comprises coaxial B unthreaded hole 712 successively, B internal thread hole 713 and A unthreaded hole 714, the wherein end face of B unthreaded hole 712 the most close external parts 711, on the inwall of described B unthreaded hole 712, offer axial keyway 7121, the internal diameter of B internal thread hole 713 is a bit larger tham the internal diameter of B unthreaded hole 712, make B internal thread hole 713 and the junction of B unthreaded hole 712 form stopper slot 715, the internal diameter of described A unthreaded hole 714 is consistent with the internal diameter of B internal thread hole 713, front fork 72 front ends are semi-annular shape, rear end is a screw rod 721, front opening is screw rod 721 dorsad, the end of the screw rod of described self-control bolt 2 has circumferential groove 21, the front end of described front fork 72 is connected in groove 21, strut 73 is an internal thread hole 731 coordinating with screw rod 721, the external diameter of internal thread hole 731 matches with B unthreaded hole 712 internal diameters, the outer ring, rear end of internal thread hole 731 has the boss 732 that can snap in stopper slot 715, the outer ring of described internal thread hole 731 also has the key 733 coordinating with keyway 7121, described adjusting slider 75 is externally threaded cylinder for outer ring is provided with, wherein an end face offers driver flutes 751, the present embodiment is selected cross-shaped knife groove, the external screw thread of adjusting slider 75 matches with B internal thread hole 713, described strut 73, spring 74 and adjusting slider 75 are successively set in through hole, wherein the front end of strut 73 stretches out B unthreaded hole 712, spring 74 and adjusting slider 75 are positioned at B internal thread hole 713, and adjusting slider 75 has one end of driver flutes 751 towards corresponding A unthreaded hole 714.
Front fork 72 has magnetic, on the screw rod 721 of front fork 72, be also provided with locking nut 722, limited block 71 upper and lower surfaces are plane, the center of upper surface offers A screwed hole 716, described base 1 bottom centre offers the C unthreaded hole 13 relative with A screwed hole 716, the described adjustable covering device that pulls out also comprises the externally threaded adjusting rod 8 of front end band, and rear end is bent into circle, and the front end of described adjusting rod 8 is threaded with A screwed hole 716 through C unthreaded hole 13.
Pull out before cover, first with standard bolt 5, pad 6, rotating disk 3 is screwed on base 1, then three self-control bolts 2 are oppositely passed to the arcuate socket 12 on base 1, the adjustment hole 32 on rotating disk 3, the nut 4 of screwing on respectively successively.Subsequently base 1 is pressed on the end face of equipment foundry goods, unscrews standard bolt 5, rotate rotating disk 3 according to the internal diameter of axle sleeve, make three self-control external cylindrical surfaces of bolt 2 and the laminating of the inner surface of axle sleeve.In rotation process, require three self-control bolts 2 uniform, approximate centre symmetry.Tighten the standard bolt 2 of three.Base 1 is shifted out slightly, put into limited block component from base 1 and the gap location of equipment end face, screwdriver is passed through to three A unthreaded holes on limited block 71 successively, aim at the driver flutes 751 of adjusting slider 75, turn adjusting slider 75, (the screw rod first half section of self-control bolt 2 is external thread structure to make the semicircle inner annular face of three front forks 72 on limited block component be adjacent to the face of cylinder of three self-control bolts 2, second half section is smooth cylindrical bar), again base 1 is adjacent to equipment end face, the C unthreaded hole 13 at adjusting rod 8 inserted base 1 Shang centers, the B internal thread hole 713 of limited block 71 upper surfaces that the front end of adjusting rod 8 is screwed into, toward pressing down adjusting rod 8, limited block component is moved to the groove 21 on self-control bolt 2, until front fork 72 lower surfaces on limited block component are fitted with the nut inner surface of self-control bolt 2.Act on by spring 74, the front fork 72 of limited block component can be pressed into the groove 21 of self-control bolt 2 automatically, plays and prevents from making by oneself the effect that bolt 2 radially skids off.The adjustable covering device that pulls out of the present invention can pass through to rotate adjusting slider 75 with screwdriver, and regulates strut 73 to be screwed into the degree of depth (need lock with locking nut 722) of front fork, and the secondary of realizing limited block component length regulates, and finally unscrews and regulates 8, and adjusting rod 8 is extracted.
While pulling out cover, first all measure successively the independent nut 4 of each nut 4(of quick rotation and can not turn-take too much, otherwise can damage limited block component), in the time that the inner surface of nut of three self-control bolts 2 and the end face of axle sleeve are fitted, slowly all measure and rotate three nuts 4 successively again, until axle sleeve is extracted.
Taking above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to claim scope.
Claims (7)
1. the adjustable covering device that pulls out, it is characterized in that: comprise base (1), three self-control bolts (2), three rotating disks (3), three nut (4) and three standard bolts (5) supporting with making bolt (2) by oneself, described base (1) is cylindric, its bottom be provided with base axle center be centrosymmetric distribute three pairs of adjustment structures, described adjustment structure comprises screwed hole (11) and the looping pit of concentric setting
Described three rotating disks (3) are positioned at base (1) bottom outer surface, and match with three pairs of adjustment structures respectively, on described each rotating disk (3), all offer fixing hole (31) and adjustment hole (32), described fixing hole (31) is in the same size with corresponding screwed hole (11), the diameter of adjustment hole (32) is consistent with the width r in corresponding annulus hole, set screwed hole in every pair of adjustment structure (11) center to and the distance of looping pit inner ring be d1, screwed hole (11) center to and the distance of looping pit outer ring be d2, the centre distance d of fixing hole (31) and adjustment hole (32) is (d2+d1)/2,
Described three standard bolts (5) match with three screwed holes (11) respectively, and be threaded with base (1) through fixing hole (31) and screwed hole (11) successively, the front end of described self-control bolt (2) screw rod is connected with nut (4) with adjustment hole (32) through looping pit successively in base (1).
2. the adjustable covering device that pulls out as claimed in claim 1, is characterized in that: between described standard bolt (5) and rotating disk (3), be also provided with pad (6).
3. the adjustable covering device that pulls out as claimed in claim 1, is characterized in that: described looping pit is arcuate socket (12), the segment section that described arcuate socket (12) is whole looping pit, and it is smooth excessively that the two ends of arcuate socket (12) are circular arc.
4. the adjustable covering device that pulls out as claimed in claim 1, is characterized in that: also comprises limited block component, comprises limited block (71), three front forks (72), three struts (73), three springs (74) and three adjusting sliders (75),
Described limited block (71) is roughly " people " font, there are three external parts (711), described three external parts (711) distribute with limited block (71) Central Symmetry, end face to limited block (71) lateral surface corresponding to external part (711) along each external part (711) offers through hole, the axis of three through holes meets at a bit, angle between adjacent axis is 120 °, described through hole comprises coaxial B unthreaded hole (712) successively, B internal thread hole (713) and A unthreaded hole (714), the wherein end face of B unthreaded hole (712) the most close external parts (711), on the inwall of described B unthreaded hole (712), offer axial keyway (7121), the internal diameter of B internal thread hole (713) is a bit larger tham the internal diameter of B unthreaded hole (712), make B internal thread hole (713) and the junction of B unthreaded hole (712) form stopper slot (715), the internal diameter of described A unthreaded hole (714) is consistent with the internal diameter of B internal thread hole (713),
Described front fork (72) front end is semi-annular shape, rear end is a screw rod (721), front opening is screw rod (721) dorsad, the end of described self-control bolt (2) screw rod has circumferential groove (21), the front end of described front fork (72) is connected in groove (21), described strut (73) is an internal thread hole (731) coordinating with screw rod (721), the external diameter of internal thread hole (731) matches with B unthreaded hole (712) internal diameter, the outer ring, rear end of internal thread hole (731) has the boss (732) that can snap in stopper slot (715), the outer ring of described internal thread hole (731) also has the key (733) coordinating with keyway (7121), described adjusting slider (75) is externally threaded cylinder for outer ring is provided with, wherein an end face offers driver flutes (751), the external screw thread of described adjusting slider (75) matches with B internal thread hole (713), described strut (73), spring (74) and adjusting slider (75) are successively set in through hole, wherein the front end of strut (73) stretches out B unthreaded hole (712), spring (74) and adjusting slider (75) are positioned at B internal thread hole (713), and adjusting slider (75) has one end of driver flutes (751) towards corresponding A unthreaded hole (714).
5. the adjustable covering device that pulls out as claimed in claim 4, is characterized in that: described front fork (72) has magnetic.
6. the adjustable covering device that pulls out as claimed in claim 4, is characterized in that: on the screw rod (721) of described front fork (72), be also provided with locking nut (722).
7. the adjustable covering device that pulls out as claimed in claim 4, it is characterized in that: described limited block (71) upper and lower surface is plane, the center of upper surface offers A screwed hole (716), described base (1) bottom centre offers the C unthreaded hole (13) relative with A screwed hole (716), the described adjustable covering device that pulls out also comprises the externally threaded adjusting rod of front end band (8), rear end is bent into circle, and the front end of described adjusting rod (8) is threaded with A screwed hole (716) through C unthreaded hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148675.0A CN103978456B (en) | 2014-04-14 | 2014-04-14 | Adjustablely pull out covering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148675.0A CN103978456B (en) | 2014-04-14 | 2014-04-14 | Adjustablely pull out covering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103978456A true CN103978456A (en) | 2014-08-13 |
| CN103978456B CN103978456B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410148675.0A Active CN103978456B (en) | 2014-04-14 | 2014-04-14 | Adjustablely pull out covering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103978456B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052727A (en) * | 2019-05-15 | 2019-07-26 | 中国人民解放军陆军工程大学 | Portable cutting torch |
| DE102018119819A1 (en) * | 2018-08-15 | 2020-02-20 | Schaeffler Technologies AG & Co. KG | Coupling test stand upper part with rotatable and fixable swivel holder |
| CN114108968A (en) * | 2021-10-30 | 2022-03-01 | 中石化石油工程技术服务有限公司 | Roof photovoltaic support structure system without counterweight foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102018119819A1 (en) * | 2018-08-15 | 2020-02-20 | Schaeffler Technologies AG & Co. KG | Coupling test stand upper part with rotatable and fixable swivel holder |
| CN110052727A (en) * | 2019-05-15 | 2019-07-26 | 中国人民解放军陆军工程大学 | Portable cutting torch |
| CN110052727B (en) * | 2019-05-15 | 2024-01-16 | 中国人民解放军陆军工程大学 | portable cutting torch |
| CN114108968A (en) * | 2021-10-30 | 2022-03-01 | 中石化石油工程技术服务有限公司 | Roof photovoltaic support structure system without counterweight foundation |
| CN114108968B (en) * | 2021-10-30 | 2023-04-14 | 中石化石油工程技术服务有限公司 | Roof photovoltaic support structure system without counterweight foundation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103978456B (en) | 2016-03-23 |
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