CN201347328Y - Annular rack type self-adapting attachment support rod - Google Patents
Annular rack type self-adapting attachment support rod Download PDFInfo
- Publication number
- CN201347328Y CN201347328Y CNU2008201304451U CN200820130445U CN201347328Y CN 201347328 Y CN201347328 Y CN 201347328Y CN U2008201304451 U CNU2008201304451 U CN U2008201304451U CN 200820130445 U CN200820130445 U CN 200820130445U CN 201347328 Y CN201347328 Y CN 201347328Y
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- seat
- annular rack
- annular
- rack
- rack shaft
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Abstract
The utility model relates to an annular rack type self-adapting attachment support rod. When the support rod is tightly locked, an annular rack shaft is engaged with an annular groove formed on an annular rack seat, so the unbalanced stress of single side tooth is avoided. The cross section of annular grooves is formed by two edges of an isoceles triangle and a small circular arc; the small circular arc is tangential with the two edges; the annular grooves are uniformly formed in the axial direction, and have the consistent size; the inclined side plane on the annular rack seat and a inclined side plane of a wedge-shaped press block of the annular rack seat are matched and have the same slope; the side surface of a rectangular inner cavity on a rack shaft fixing seat is respectively in contact with two vertical side surface of the annular rack seat and three vertical side surfaces of the wedge-shaped press block of the annular rack seat; a spring part of a spring clamp seat of the annular rack seat is pressed on the upper surface of the rack shaft fixing seat when a mechanism is in an unlocked state; when the mechanism is in a locked state, the spring part of the spring clamp seat of the annular rack seat can rotate around a self axial line for being pressed on the upper surface of the wedge-shaped press block of the annular rack seat; a rack shaft is glidingly matched with a hole formed on the rack shaft fixing seat; the tail end of a separating drawing rod of the rack seat is fixed on the annular rack seat; and the head is in a threaded structure.
Description
Affiliated technical field
The utility model relates to the length adjustment latching device that uses on a kind of tower machine, has improved the reliability and the service life of latching device under the dynamic load effect.
Background technology
The brace bar attached use threaded adjusting of tower machine length in the market because brace bar attached needs are often dismantled, can't adopt some screw-threaded coupling measures commonly used.Gapped easily loosening between the screw thread, reliable lock is not high.The tower machine is operated under the high wind environment of high-altitude, in case becoming flexible appears in screw thread, can bear huge additional impact load under the dynamic load effect of high wind, even this screw thread also produces destruction rapidly easily by strength check.Bolt must could screw in perpendicular to nut when mounted simultaneously, and relative space position requires harshness between the mating parts, and difficulty is installed.The user wish to design a kind of can satisfy the aloft work requirement, without the length adjustment mechanism of helicitic texture, and must reliable lock, easy for installation.
Summary of the invention
Not high for overcoming the reliable lock that existing brace bar attached use threaded adjusting causes, one-sided tooth bar is subjected to force unbalance when meshing, load-carrying capacity is little, the component assembly situation of difficult, the utility model provides a kind of annular rack type self adaptation brace bar attached, has simple in structure, reliable lock, bearing capacity is big, the component assembly difficulty descends significantly characteristics.
The technical scheme that its technical matters that solves the utility model adopts is: adopt annular rack between cog engagement system to add the adjustment structure of inclined-plane positioning and locking, length adjustment adopts the engagement of annular rack axle and annular rack seat to realize having level to regulate on a large scale, realizes length step-less adjustment and locking by oblique mechanism then.
1, a kind of annular rack type self adaptation is brace bar attached, by tower pusher side attachment pegs (1), tower pusher side annular rack axle (2), annular rack seat (3), rack shaft permanent seat (4), transition gusset piece (5), lattice strut (6), vertical gusset piece (7), annular rack seat spring deck (8), wedge housing screw (9), anchor slab (10), annular rack seat wedge shape briquetting (11), retracing spring lock screw (12), the tooth bar seat separates pull bar (13), annular rack seat retracing spring (14), annular rack axle wedge (15), horizontal gusset piece (16), screw retention plate (17), Internal Spherical Surface adapter plate (18), anchor slab side ring shape rack shaft (19) is formed, tower pusher side annular rack axle (2), anchor slab side ring shape rack shaft (19) is big or small consistent with the circular groove shape on the annular rack seat (3), and rectangular distribution vertically, the circular groove cross section constitutes by two waists of equicrural triangle with the tangent roundlet arc of two waists, and circular groove is meshing with each other during locking, and the prism on the annular rack seat (3) matches with the prism of annular rack seat wedge shape briquetting (11), gradient equates, the rectangular inner cavity side on the rack shaft permanent seat (4) contacts with two vertical side of annular rack seat (3) and three vertical side of annular rack seat wedge shape briquetting (11) respectively.
2, annular rack seat spring deck (8) is fixed on the rack shaft permanent seat (4), can be around self axis rotation, and its spring section is pressed in the upper surface of rack shaft permanent seat (4) under mechanism's releasing orientation; Under mechanism's locking state, be pressed in the upper surface of annular rack seat wedge shape briquetting (11).
3, the hole on tower pusher side annular rack axle (2), anchor slab side ring shape rack shaft (19) and the rack shaft permanent seat (4) is a bearing fit.
4, the tooth bar seat separates pull bar (13) afterbody and is fixed on the annular rack seat (3), and head is a helicitic texture, with hole on the rack shaft permanent seat (4) be bearing fit.
5, annular rack seat retracing spring (14) is installed in the lateral aperture of rack shaft permanent seat (4), and head is pressed on the inclined-plane of annular rack seat (3).
The beneficial effects of the utility model are: adopt the annular rack type engagement, it is unreliable to have overcome helicitic texture, and stressed unbalanced shortcoming during one-sided tooth bar engagement has significantly increased the reliability and the load-carrying capacity of regulating mechanism, and is simple in structure.
Description of drawings
Below in conjunction with Figure of description the utility model product is described,
Fig. 1 is a full structural representation of the present utility model.
Fig. 2 is the utility model annular rack axle, annular rack seat, annular rack seat wedge shape briquetting scheme drawing.
Fig. 3 is the utility model annular rack axle, annular rack seat inner structure and annular rack seat spring deck locking scheme drawing.
Fig. 4 is the annular rack axle wedge lock portion scheme drawing at the utility model rear portion.
Among the figure: 1. tower pusher side attachment pegs, 2 tower pusher side annular rack axles, 3. annular rack seat, 4. rack shaft permanent seat, 5. transition gusset piece, 6. lattice strut, 7. vertical gusset piece, 8. annular rack seat spring deck, 9. wedge housing screw, 10. anchor slab, 11. annular rack seat wedge shape briquetting, 12. retracing spring lock screws, 13. tooth bar seats separate pull bar, 14. annular rack seat retracing spring, 15. annular rack axle wedge, 16. horizontal gusset pieces, 17. screw retention plates, 18. the Internal Spherical Surface adapter plate, 19. anchor slab side ring shape rack shafts
The specific embodiment
1, adopt annular rack between cog engagement system to add the adjustment structure of inclined-plane positioning and locking, length adjustment adopts the engagement of annular rack axle and annular rack seat to realize having level to regulate on a large scale, realizes length step-less adjustment and locking by oblique mechanism then.
2, among Fig. 2, circular groove on the anchor slab side ring shape rack shaft (19) is rectangular distribution vertically, the cross section of circular groove is constituted by two waists of equicrural triangle with the tangent roundlet arc of two waists, and the afterbody of rack shaft has the projection of an isosceles echelon form, and two waists of isosceles trapezoid form the double inclined plane structure; Circular groove on the annular rack seat (3) is rectangular distribution equally vertically, its cross sectional shape size is in full accord with the circular groove on the anchor slab side ring shape rack shaft (19), the inclined-plane is processed in annular rack seat side, its angle and annular rack axle wedge (15) bevel angle are in full accord, form the inclined-plane matching relationship.Tower pusher side annular rack axle (2) shape is consistent with anchor slab side ring shape rack shaft (19), only is residing position difference in mechanism.
3, among Fig. 3, last figure shows is the state of mechanism when unclamping, and unclamping by following steps of mechanism realizes:
Annular rack seat spring deck (8) is fixed on the rack shaft permanent seat (4), can be around self axis rotation, and its spring section is pressed in the upper surface of rack shaft permanent seat (4) under mechanism's releasing orientation; The hole that the tooth bar seat separates on pull bar (13) and the annular rack seat (3) is a bearing fit, the nut that clickwise tooth bar seat separates on the pull bar (13) can make annular rack seat (3) move towards the direction of leaving tower pusher side annular rack axle (2), till the rectangular inner cavity contacts side surfaces of the side of annular rack seat (3) and rack shaft permanent seat (4), tower pusher side annular rack axle this moment (2) disengages fully with annular rack seat (3), can be free to slide so that regulate relative position in the hole on the rack shaft permanent seat (4).The release process of anchor slab side ring shape rack shaft (19) is consistent with tower pusher side annular rack axle (2).
4, among Fig. 3, the state that figure below shows when being mechanism's locking, the locking of mechanism realizes by following steps:
1) locking of tower pusher side annular rack axle (2):
Left-hand revolution tooth bar seat separates the nut on the pull bar (13), the screw rod that this hour rack seat separates on the pull bar (13) moves towards the direction of tower pusher side annular rack axle (2) under the effect of annular rack seat retracing spring (14), the axial location of fine-tuning tower pusher side annular rack axle this moment (2), up to and annular rack seat (3) between fully the engagement, insert the rectangular inner cavity contacts side surfaces of annular rack seat wedge shape briquetting (11) this moment up to its side and rack shaft permanent seat (4), its inclined-plane contacts with the inclined-plane of annular rack seat (3), till can not moving downward, utilize the auto-lock function on inclined-plane to prevent that loosening in the use, the sign that is in place from being that the upper surface of the upper surface of annular rack seat wedge shape briquetting (11) and rack shaft permanent seat (4) is contour.Rotary annular tooth bar seat spring deck (8) makes its spring section be pressed in the upper surface of annular rack seat wedge shape briquetting (11) then, and the length that to finish with a tooth pitch be unit has level to regulate and a locking process.
2) locking of anchor slab side ring shape rack shaft (19):
Compare with the locking process of tower pusher side annular rack axle (2), anchor slab side ring shape rack shaft (19) increases length step-less adjustment process: after anchor slab side ring shape rack shaft (19) and annular rack seat (3) have realized having level to regulate with the length that a tooth pitch is a unit, its relative position is dynamic, ccasual in a tooth pitch, must utilize oblique mechanism to realize step-less adjustment and locking.Process the projection of isosceles trapezoid shape at anchor slab side ring shape rack shaft (19) afterbody, two waists on the isosceles trapezoid shape projection are exactly two inclined-planes, match with inclined-plane on two the annular rack axle wedges (15) that place front and back respectively, the inclined-plane of annular rack axle wedge this moment (15) on the isosceles trapezoid projection contacts with groove side on the horizontal gusset piece (16) until its side to lower slider, till can not sliding.Two annular rack axle wedges (15) in left side are responsible for the length step-less adjustment of (19) directions of anchor slab side ring shape rack shaft, and two annular rack axle wedges (15) on right side are responsible for the length step-less adjustment of another direction.Finish step-less adjustment by this method.Vertical gusset piece (7), horizontal gusset piece (16), Internal Spherical Surface adapter plate (18) are as a whole by being welded into, wedge housing screw (9) connects by bolt structure with screw retention plate (17), and screw retention plate (17) can slide in the chute on the vertical gusset piece (7).After annular rack axle wedge (15) is located fully, mobile screw retention plate (17) makes wedge housing screw (9) be in the top of annular rack axle wedge (15), rotary wedge piece housing screw (9) then, compress the end face of annular rack shaft wedge (15) respectively, finish inclined-plane locking process.
5, circular groove shape size on tower pusher side annular rack axle (2), anchor slab side ring shape rack shaft (19) and the annular rack seat (3) is consistent, and rectangular distribution vertically, circular groove is meshing with each other during locking, the cross section of circular groove constitutes by two waists of equicrural triangle with the tangent roundlet arc of two waists, annular rack seat afterbody has the projection of an isosceles echelon form, and the double inclined plane that its two waist forms matches the angle unanimity with the inclined-plane of annular rack axle wedge (15); The side of annular rack axle wedge (15) contacts with groove side on the horizontal gusset piece (16); Inclined-plane on the annular rack seat (3) matches with the inclined-plane of annular rack seat wedge shape briquetting (11), and angle equates, the side contacts with rectangular inner cavity side on the rack shaft permanent seat (4).
6, annular rack seat spring deck (8) is fixed on the rack shaft permanent seat (4), can be around self axis rotation, and its spring section is pressed in the upper surface of rack shaft permanent seat (4) under mechanism's releasing orientation; Under mechanism's locking state, be pressed in the upper surface of annular rack seat wedge shape briquetting (11).
7, the hole on tower pusher side annular rack axle (2), anchor slab side ring shape rack shaft (19) and the rack shaft permanent seat (4) is a bearing fit.
8, the tooth bar seat afterbody that separates pull bar (13) is fixed on the annular rack seat (3), and head is a helicitic texture, with hole on the rack shaft permanent seat (4) be bearing fit.
9, annular rack seat retracing spring (14) is installed in the lateral aperture of rack shaft permanent seat (4), and head is pressed on the inclined-plane of annular rack seat (3).
Claims (5)
1. an annular rack type self adaptation is brace bar attached, by tower pusher side attachment pegs (1), tower pusher side annular rack axle (2), annular rack seat (3), rack shaft permanent seat (4), transition gusset piece (5), lattice strut (6), vertical gusset piece (7), annular rack seat spring deck (8), wedge housing screw (9), anchor slab (10), annular rack seat wedge shape briquetting (11), retracing spring lock screw (12), the tooth bar seat separates pull bar (13), annular rack seat retracing spring (14), annular rack axle wedge (15), horizontal gusset piece (16), screw retention plate (17), Internal Spherical Surface adapter plate (18), anchor slab side ring shape rack shaft (19) is formed, it is characterized in that tower pusher side annular rack axle (2), anchor slab side ring shape rack shaft (19) is big or small consistent with the circular groove shape on the annular rack seat (3), and rectangular distribution vertically, the circular groove cross section constitutes by two waists of equicrural triangle with the tangent roundlet arc of two waists, and circular groove is meshing with each other during locking, and the prism on the annular rack seat (3) matches with the prism of annular rack seat wedge shape briquetting (11), gradient equates, the rectangular inner cavity side on the rack shaft permanent seat (4) contacts with two vertical side of annular rack seat (3) and three vertical side of annular rack seat wedge shape briquetting (11) respectively.
2, annular rack type self adaptation according to claim 1 is brace bar attached, it is characterized in that annular rack seat spring deck (8) is fixed on the rack shaft permanent seat (4), can be around self axis rotation, its spring section is pressed in the upper surface of rack shaft permanent seat (4) under mechanism's releasing orientation; Under mechanism's locking state, be pressed in the upper surface of annular rack seat wedge shape briquetting (11).
3, annular rack type self adaptation according to claim 1 is brace bar attached, it is characterized in that the hole on tower pusher side annular rack axle (2), anchor slab side ring shape rack shaft (19) and the rack shaft permanent seat (4) is a bearing fit.
4, annular rack type self adaptation according to claim 1 is brace bar attached, it is characterized in that the tooth bar seat separates pull bar (13) afterbody and is fixed on the annular rack seat (3), and head is a helicitic texture, with hole on the rack shaft permanent seat (4) be bearing fit.
5, annular rack type self adaptation according to claim 1 is brace bar attached, it is characterized in that annular rack seat retracing spring (14) is installed in the lateral aperture of rack shaft permanent seat (4), and head is pressed on the inclined-plane of annular rack seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201304451U CN201347328Y (en) | 2008-12-12 | 2008-12-12 | Annular rack type self-adapting attachment support rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201304451U CN201347328Y (en) | 2008-12-12 | 2008-12-12 | Annular rack type self-adapting attachment support rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201347328Y true CN201347328Y (en) | 2009-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201304451U Expired - Fee Related CN201347328Y (en) | 2008-12-12 | 2008-12-12 | Annular rack type self-adapting attachment support rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201347328Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108516487A (en) * | 2018-04-13 | 2018-09-11 | 安徽江淮汽车集团股份有限公司 | A kind of auxiliary lifting apparatus |
| CN111252679A (en) * | 2020-01-22 | 2020-06-09 | 李美元 | Tower crane wall-attached anchoring structure for old-fashioned buildings |
-
2008
- 2008-12-12 CN CNU2008201304451U patent/CN201347328Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108516487A (en) * | 2018-04-13 | 2018-09-11 | 安徽江淮汽车集团股份有限公司 | A kind of auxiliary lifting apparatus |
| CN111252679A (en) * | 2020-01-22 | 2020-06-09 | 李美元 | Tower crane wall-attached anchoring structure for old-fashioned buildings |
| CN111252679B (en) * | 2020-01-22 | 2021-05-04 | 安徽建阳建筑安装有限公司 | Tower crane wall-attached anchoring structure for old-fashioned buildings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20101212 |