CN104045015A - Jacking mechanism - Google Patents
Jacking mechanism Download PDFInfo
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- CN104045015A CN104045015A CN201410236471.2A CN201410236471A CN104045015A CN 104045015 A CN104045015 A CN 104045015A CN 201410236471 A CN201410236471 A CN 201410236471A CN 104045015 A CN104045015 A CN 104045015A
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- lifting
- seat
- traversing
- handle
- drive sleeve
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Abstract
The invention discloses a jacking mechanism which comprises a base, a transverse movement part and a lifting part, wherein the transverse movement part comprises a transverse movement base and a transverse movement handle; the base is provided with a rotary seat which is internally provided with a ring convex cavity; the transverse movement handle comprises a braking part, a ring-shaped bulge and a thread section; the ring-shaped bulge is arranged in the ring convex cavity; the transverse movement base is connected with the transverse movement handle by screw threads; the lifting part comprises an internal thread seat, a lifting handle and a jacking rod; an internal thread hole is formed in the internal thread seat; the jacking rod is provided with external threads and a plurality of axial teeth; the length directions of the axial teeth are parallel to the axis of the jacking rod; the external threads arranged on the jacking rod are connected with the internal thread hole by screw threads; the internal thread seat is fixedly connected with the transverse movement base; the transverse movement handle is vertical to the jacking rod; a sealing ring is also arranged between the upper end of the jacking rod and the internal thread seat. The jacking mechanism is flexible in selection of a support point and can be conveniently installed relatively to a device to be jacked; furthermore, the jacking mechanism is long in service life, high in bearing capacity and high in jacking accuracy.
Description
Technical field
The present invention relates to a kind of device for weight support or levelling, particularly relate to a kind of lifting body.
Background technology
Lifting Equipment mainly applies to lifting, assembling, maintenance and the installation of large quality equipment, member, with realize equipment in said process or member levelling, producing gap between equipment bay and ground, to be beneficial to fork of forklift truck in place or between equipment and ground, rolling body is set.
In prior art, above Lifting Equipment adopts mechanical jack, hydraulic jack or hydraulic power unit more, yet in prior art, mechanical jack and hydraulic jack are realized uprightly comparatively bothering of axial direction in the vertical direction separately, on the exposed screw thread of mechanical jack after adhesive dust, under larger load, easily cause thread failure, pressurization deposited by hydraulic power unit and stringing part-structure is complicated, equipment cost is high, be not easy to carrying, simultaneously also there is seal failure in hydraulic power unit and hydraulic jack, the accuracy of equipment levelling and device security existed to the defect of hidden danger.
Summary of the invention
In order to solve, the fault rate that Lifting Equipment in above-mentioned prior art exists is high, device structure is complicated, be not easy to install or affect the problem of jacking precision, the invention provides a kind of lifting body.
For the problems referred to above, the present invention solves problem by the following technical programs: a kind of lifting body, comprise base, can and be arranged on the lifting unit in traversing portion along the traversing portion of base transverse shifting, described traversing portion comprises traversing seat and traversing handle, on described base, be provided with rotation seat, in rotation seat, be provided with the protruding chamber of ring, traversing handle comprises by its one end to other end detent, ring-type protrusion and thread segment successively, described ring-type is protruded and is positioned at the protruding chamber of ring, the lower end of traversing seat and the upper end in contact of base, and traversing seat becomes to be threaded with traversing handle;
Described lifting unit comprises the negative thread seat that is column, lifting handle and lifting pin, on described negative thread seat, be provided with along its axial internal thread hole, on lifting pin, be provided with outside thread and a plurality of axial tooth, described axial tooth is uniform along lifting pin side, and the length direction of axial tooth is parallel with the axis of lifting pin, one end of described lifting handle is between any two axial tooths, outside thread on lifting pin becomes to be threaded with described internal thread hole, negative thread seat is fixedly connected with traversing seat, traversing handle is mutually vertical with lifting pin, between the upper end of described lifting pin and negative thread seat, be also provided with seal ring.
Concrete, the traversing handle arranging is used for braking traversing seat and slides on base: by rotating traversing handle, encircle protruding chamber and to the restriction of annular projection, traversing handle only can be rotated around its axis, the detent arranging can be by arranging the plane that even number is parallel to each other between two on traversing handle, so that rotate traversing handle by spanner or other instruments, on thread end, screw thread forces traversing seat motion to the pulling force of traversing seat or thrust; The lifting handle arranging rotates for breaking top rising stem: by lifting handle, the side of axial tooth is applied to compression effort, lifting pin rotates around its axis, on outside thread on lifting pin and negative thread seat, the application force of negative thread forces lifting pin to rise or declines, the upper end of lifting pin is the present invention and the plane of action for the treatment of Lifting Equipment, be that the present invention passes through traversing portion adjusting lifting pin with respect to the position of equipment, by lifting handle, regulate the height of lifting pin; The seal ring arranging is for preventing that dust or other impurity from dropping into the screw thread pair between negative thread seat and lifting pin; Further, preferably the negative thread on negative thread seat is the T shape screw thread with self-locking pitch, to increase load-carrying capacity of the present invention and to simplify operation of the present invention, can when lifting pin arrives ultimate position, remove the power being applied on traversing handle.
Further technical scheme is:
For ease of the installation of traversing handle with simplify structure of the present invention, be beneficial to processing, manufacture and assembling, described rotation seat comprises into bolted upper cover and lower cover, and described upper cover and the lower cover side of joining is provided with groove, and two grooves form the described protruding chambeies of ring.
Described lifting handle comprises drive sleeve and is set in the brake rod in drive sleeve, one end and the lifting pin of described drive sleeve are articulated and connected, and drive sleeve can be around the circumferential rotation of lifting pin, one end end face that brake rod gos deep into drive sleeve is diagonal-cut joint, and the other end of brake rod protrudes with respect to drive sleeve.
The drive sleeve arranging is convenient to fixedly lifting handle with respect to the relative position of lifting pin: make to be positioned at all the time lifting pin in the radial direction with the interactional brake rod of axial tooth, the diagonal-cut joint arranging makes the structural relation between lifting handle and axial tooth be ratchet structure, can by regulate diagonal-cut joint towards, operating personal braking lifting handle carrys out back rotation by a small margin, can realize the directional rotating that impels lifting pin.
For ease of described diagonal-cut joint towards adjusting, making to complete diagonal-cut joint brake rod after regulating can automatically revert in the teeth groove between axial tooth at every turn, in described drive sleeve, be also provided with spring cavity, in spring cavity, be provided with retracing spring, on described brake rod, be also provided with boss, described retracing spring is set on brake rod and in compressive state, retracing spring and be limited in spring cavity and boss between.The retracing spring arranging forces brake rod towards an end motion of axial tooth.
One end that described brake rod is provided with diagonal-cut joint is also provided with two radial notchs, described radial notch lays respectively at the otch upper side of diagonal-cut joint and otch compared with downside, and two radial notchs are less than the degree of depth of teeth groove between adjacent axial tooth apart from the distance on diagonal-cut joint top, the width of brake rod is greater than the width of described teeth groove.The top and teeth groove collision that are provided for preventing diagonal-cut joint of the position of two radial notchs arranging and the width of brake rod, can prevent like this diagonal-cut joint generation plastic deformation affect diagonal-cut joint towards adjustment.
For ease of diagonal-cut joint towards fixing and diagonal-cut joint towards indication, the efficiency of rotating to improve breaking top rising stem, is also provided with draw-in groove on the free end of described drive sleeve, one end that described brake rod protrudes with respect to drive sleeve is also provided with two card articles.
On described base, be also provided with at least two bolt of lower base holes.The bolt of lower base hole arranging is fixing for base, is used in conjunction with holding-down bolt, is conducive to the stability that the present invention installs.
For making the present invention can be for treating that Lifting Equipment provides more than strong point, the quantity of described traversing portion and lifting unit equates and all unlikely one.
For preventing treating that Lifting Equipment is by landing in the present invention, also comprise the side block piece being arranged on negative thread seat, and described side block piece can rotate around the axis of negative thread seat.Side block piece and equipment contacts side surfaces in use, the version that side block piece can rotate around negative thread seat, make the present invention be not limited to equipment with respect to the orientation of putting of the present invention.
The present invention compared with prior art, has following beneficial effect:
1, the traversing handle arranging is used for braking traversing seat and slides on base, the lifting handle arranging rotates for breaking top rising stem, be that the present invention passes through traversing portion adjusting lifting pin with respect to the position of equipment, by lifting handle, regulate the height of lifting pin, like this, the present invention is placed in when Lifting Equipment is following, because lifting pin can be along the axial motion of traversing handle, make the present invention flexible to the selection of the strong point, be convenient to the present invention with respect to the installation for the treatment of Lifting Equipment.
2, the seal ring arranging is for preventing that dust or other impurity from dropping into the screw thread pair between negative thread seat and lifting pin, is conducive to guarantee service life of the present invention.
3, the present invention is simple in structure, be convenient to processing and manufacturing and maintenance, the type of drive of pure mechanical structure form, as adopted the negative thread on negative thread seat be set to have the T shape screw thread of self-locking pitch or adopt the version that lifting handle end of a period stop gear is set, this makes the present invention, and not only load-carrying capacity is strong, also has the feature that jacking precision is high simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of a kind of lifting body of the present invention;
Fig. 2 is the partial enlarged drawing of A portion described in Fig. 1;
Fig. 3 is the structural representation of a specific embodiment of the traversing handle of a kind of lifting body of the present invention;
Fig. 4 is the structural representation of a specific embodiment of a kind of lifting body rotation seat of the present invention;
Fig. 5 is the structural representation of a specific embodiment of a kind of lifting body base of the present invention;
Fig. 6 is structure and the annexation schematic diagram of a kind of lifting body lifting handle of the present invention and a specific embodiment of lifting pin.
Name corresponding to graphical indicia is called: 1, lifting handle, 11, drive sleeve, 12, retracing spring, 13, boss, 14, radial notch, 15, spring cavity, 16, brake rod, 17, diagonal-cut joint, 18, draw-in groove, 19, card article, 2, bolt of lower base hole, 3, base, 31, horizontal concrete chute, 4, negative thread seat, 41, axial tooth, 5, traversing seat, 6, lifting pin, 7, side block piece, 8, rotation seat, 81, lower cover, 82, upper cover, 83, encircle protruding chamber, 9, traversing handle, 91, thread segment, 92, ring-type protrude, and 93, detent.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1:
As Fig. 1 to Fig. 6, a kind of lifting body provided by the invention, comprise base 3, can and be arranged on the lifting unit in traversing portion along the traversing portion of base 3 transverse shiftings, described traversing portion comprises traversing seat 5 and traversing handle 9, on described base 3, be provided with rotation seat 8, in rotation seat 8, be provided with the protruding chamber 83 of ring, traversing handle 9 comprises by its one end to other end detent 93, ring-type protrusion 92 and thread segment 91 successively, described ring-type is protruded 92 and is positioned at the protruding chamber 83 of ring, the lower end of traversing seat 5 and the upper end in contact of base 3, and traversing seat 5 is threaded with 9 one-tenth of traversing handles;
Described lifting unit comprises the negative thread seat 4 that is column, lifting handle 1 and lifting pin 6, on described negative thread seat 4, be provided with along its axial internal thread hole, on lifting pin 6, be provided with outside thread and a plurality of axial tooth 41, described axial tooth 41 is uniform along lifting pin 6 sides, and the length direction of axial tooth 41 is parallel with the axis of lifting pin 6, one end of described lifting handle 1 is between any two axial tooths 41, outside thread on lifting pin 6 becomes to be threaded with described internal thread hole, negative thread seat 4 is fixedly connected with traversing seat 5, traversing handle 9 is mutually vertical with lifting pin 6, between the upper end of described lifting pin 6 and negative thread seat 4, be also provided with seal ring.
In the present embodiment, for preventing that the power being passed on traversing seat 5 by lifting pin 6 from producing component in lifting pin 6 radial direction, make traversing handle 9 because stressed excessive generation plastic deformation or breakage, destroy the screw thread of traversing handle 9 and traversing seat 5 or make traversing handle 9 rotate difficulty, on described base 3, be also provided with horizontal concrete chute 31, described traversing seat is fastened in horizontal concrete chute 31 and can slides along horizontal concrete chute 31, further, application force when reducing breaking top rising stem 6 on lifting handle 1, the upper end of described lifting pin 6 is also provided with can be around the top cover of lifting pin 6 axial rotation, the upper surface of described top cover is also provided with for increasing the concavo-convex microgroove of the present invention and the poor power of equipment mill.
Embodiment 2:
The present embodiment is done further restriction on the basis of embodiment 1: as Fig. 1 to Fig. 6, for ease of the installation of traversing handle 9 with simplify structure of the present invention, be beneficial to processing, manufacture and assembling, described rotation seat 8 comprises into bolted upper cover 82 and lower cover 81, described upper cover 82 and lower cover 81 side of joining is provided with groove, and two grooves form the described protruding chambeies 83 of ring.
Embodiment 3:
The present embodiment is done further restriction on the basis of embodiment 1: as Fig. 1 to Fig. 6, described lifting handle 1 comprises drive sleeve 11 and is set in the brake rod 16 in drive sleeve 11, one end of described drive sleeve 11 and lifting pin 6 are articulated and connected, and drive sleeve 11 can be around the circumferential rotation of lifting pin 6, one end end face that brake rod 16 gos deep into drive sleeve 11 is diagonal-cut joint 7, and the other end of brake rod 16 protrudes with respect to drive sleeve 11.
The drive sleeve 11 arranging is convenient to fixedly lifting handle 1 with respect to the relative position of lifting pin 6: make to be positioned at all the time lifting pin 6 in the radial direction with the interactional brake rod 16 of axial tooth 41, the diagonal-cut joint 17 arranging makes the structural relation between lifting handle 1 and axial tooth 41 be ratchet structure, can by regulate diagonal-cut joint 17 towards, operating personal braking lifting handle 1 carrys out back rotation by a small margin, can realize the directional rotating that impels lifting pin 6.
For ease of described diagonal-cut joint 17 towards adjusting, making to complete diagonal-cut joint 17 brake rod 16 after regulating can automatically revert in the teeth groove between axial tooth 41 at every turn, in described drive sleeve 11, be also provided with spring cavity 15, in spring cavity 15, be provided with retracing spring 12, on described brake rod 16, be also provided with boss 13, described retracing spring 12 is set on brake rod 16 and in compressive state, retracing spring 12 and be limited in spring cavity 15 and boss 13 between.The retracing spring 12 arranging forces brake rod 16 towards an end motion of axial tooth 41.
One end that described brake rod 16 is provided with diagonal-cut joint 17 is also provided with two radial notchs 14, described radial notch 14 lays respectively at the otch upper side of diagonal-cut joint 17 and otch compared with downside, and two radial notchs 14 are less than the degree of depth of teeth groove between adjacent axial tooth 41 apart from the distance on diagonal-cut joint 17 tops, the width of brake rod 16 is greater than the width of described teeth groove.The top and teeth groove collision that are provided for preventing diagonal-cut joint 17 of the position of two radial notchs 14 arranging and the width of brake rod 16, can prevent like this diagonal-cut joint 17 generation plastic deformations affect diagonal-cut joint 17 towards adjustment.
Embodiment 4:
The present embodiment is done further restriction on the basis of above embodiment: as Fig. 1 to Fig. 6, be also provided with at least two bolt of lower base holes 2 on described base 3.The bolt of lower base hole 2 arranging is fixing for base 3, is used in conjunction with holding-down bolt, is conducive to the stability that the present invention installs.
For making the present invention can be for treating that Lifting Equipment provides more than strong point, the quantity of described traversing portion and lifting unit equates and all unlikely one.
For preventing treating that Lifting Equipment is by landing in the present invention, also comprise the side block piece 7 being arranged on negative thread seat 4, and described side block piece 7 can rotate around the axis of negative thread seat 4.Side block piece 7 and equipment contacts side surfaces in use, the version that side block piece 7 can rotate around negative thread seat 4, make the present invention be not limited to equipment with respect to the orientation of putting of the present invention.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments that draw under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (9)
1. a lifting body, comprise base (3), can and be arranged on the lifting unit in traversing portion along the traversing portion of base (3) transverse shifting, it is characterized in that, described traversing portion comprises traversing seat (5) and traversing handle (9), on described base (3), be provided with rotation seat (8), in rotation seat (8), be provided with ring protruding chamber (83), traversing handle (9) comprises by its one end to other end detent (93) successively, ring-type is protruded (92) and thread segment (91), described ring-type is protruded (92) and is positioned at ring protruding chamber (83), the traversing seat lower end of (5) and the upper end in contact of base (3), and traversing seat (5) becomes to be threaded with traversing handle (9),
Described lifting unit comprises the negative thread seat (4) that is column, lifting handle (1) and lifting pin (6), on described negative thread seat (4), be provided with along its axial internal thread hole, on lifting pin (6), be provided with outside thread and a plurality of axial tooth (41), described axial tooth (41) is uniform along lifting pin (6) side, and the length direction of axial tooth (41) is parallel with the axis of lifting pin (6), one end of described lifting handle (1) is positioned between any two axial tooths (41), outside thread on lifting pin (6) becomes to be threaded with described internal thread hole, negative thread seat (4) is fixedly connected with traversing seat (5), traversing handle (9) is mutually vertical with lifting pin (6), between the upper end of described lifting pin (6) and negative thread seat (4), be also provided with seal ring.
2. a kind of lifting body as claimed in claim 1, it is characterized in that, described rotation seat (8) comprises into bolted upper cover (82) and lower cover (81), and described upper cover (82) and lower cover (81) side of joining is provided with groove, and two grooves form the described protruding chambeies of ring (83).
3. a kind of lifting body as claimed in claim 1, it is characterized in that, described lifting handle (1) comprises drive sleeve (11) and is set in the brake rod (16) in drive sleeve (11), one end of described drive sleeve (11) and lifting pin (6) are articulated and connected, and drive sleeve (11) can be around the circumferential rotation of lifting pin (6), one end end face that brake rod (16) gos deep into drive sleeve (11) is diagonal-cut joint (17), and the other end of brake rod (16) protrudes with respect to drive sleeve (11).
4. a kind of lifting body as claimed in claim 3, it is characterized in that, in described drive sleeve (11), be also provided with spring cavity (15), in spring cavity (15), be provided with retracing spring (12), on described brake rod (16), be also provided with boss (13), it is upper and in compressive state that described retracing spring (12) is set in brake rod (16), retracing spring (12) and be limited in spring cavity (15) and boss (13) between.
5. a kind of lifting body as claimed in claim 4, it is characterized in that, one end that described brake rod (16) is provided with diagonal-cut joint (17) is also provided with two radial notchs (14), described radial notch (14) lays respectively at the otch upper side of diagonal-cut joint (17) and otch compared with downside, and two radial notchs are less than the degree of depth of teeth groove between adjacent axial tooth (41) apart from the distance on diagonal-cut joint (17) top, the width of brake rod (16) is greater than the width of described teeth groove.
6. a kind of lifting body as claimed in claim 3, it is characterized in that, on the free end of described drive sleeve (11), be also provided with draw-in groove (18), one end that described brake rod (16) protrudes with respect to drive sleeve (11) is also provided with two card articles (19).
7. as a kind of lifting body as described in any one in claim 1 to 6, it is characterized in that, on described base (3), be also provided with at least two bolt of lower base holes (2).
8. as a kind of lifting body as described in any one in claim 1 to 6, it is characterized in that, the quantity of described traversing portion and lifting unit equates and all unlikely one.
9. as a kind of lifting body as described in any one in claim 1 to 6, it is characterized in that, also comprise the side block piece (7) being arranged on negative thread seat (4), and described side block piece (7) can rotate around the axis of negative thread seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410236471.2A CN104045015B (en) | 2014-05-30 | 2014-05-30 | A kind of lifting body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410236471.2A CN104045015B (en) | 2014-05-30 | 2014-05-30 | A kind of lifting body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104045015A true CN104045015A (en) | 2014-09-17 |
| CN104045015B CN104045015B (en) | 2016-03-23 |
Family
ID=51498476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410236471.2A Active CN104045015B (en) | 2014-05-30 | 2014-05-30 | A kind of lifting body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104045015B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB247674A (en) * | 1924-11-25 | 1926-02-25 | Oswald Barber Newbould | Improvements in or relating to lifting jacks |
| CN2030995U (en) * | 1988-07-15 | 1989-01-18 | 沈阳市木工机床厂 | Gearing device for lifting |
| CN2317221Y (en) * | 1997-09-29 | 1999-05-05 | 黄海 | Portable welding type double stage jackscrew |
| CN101367486A (en) * | 2008-09-12 | 2009-02-18 | 合肥市华林模具有限公司 | Lifting mechanism |
| CN202344230U (en) * | 2011-11-13 | 2012-07-25 | 刘芝英 | Machine tool height adjusting device |
| CN203845746U (en) * | 2014-05-30 | 2014-09-24 | 爱佩仪中测（成都）精密仪器有限公司 | Jacking device |
-
2014
- 2014-05-30 CN CN201410236471.2A patent/CN104045015B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB247674A (en) * | 1924-11-25 | 1926-02-25 | Oswald Barber Newbould | Improvements in or relating to lifting jacks |
| CN2030995U (en) * | 1988-07-15 | 1989-01-18 | 沈阳市木工机床厂 | Gearing device for lifting |
| CN2317221Y (en) * | 1997-09-29 | 1999-05-05 | 黄海 | Portable welding type double stage jackscrew |
| CN101367486A (en) * | 2008-09-12 | 2009-02-18 | 合肥市华林模具有限公司 | Lifting mechanism |
| CN202344230U (en) * | 2011-11-13 | 2012-07-25 | 刘芝英 | Machine tool height adjusting device |
| CN203845746U (en) * | 2014-05-30 | 2014-09-24 | 爱佩仪中测（成都）精密仪器有限公司 | Jacking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104045015B (en) | 2016-03-23 |
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Address after: 610000 Chengdu Economic and Technological Development Zone (Longquanyi District) 333 South Road, Sichuan Province Patentee after: Aipei Instrument Measuring Equipment Co., Ltd. Address before: 610000 Chengdu Economic and Technological Development Zone, Sichuan Province Patentee before: A-pex instrument measuring precision instruments Co. Ltd. (Chengdu) |