CN203035743U - Pin shaft locking assembly, pin shaft locking structure and crane - Google Patents
Pin shaft locking assembly, pin shaft locking structure and crane Download PDFInfo
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- CN203035743U CN203035743U CN 201320010531 CN201320010531U CN203035743U CN 203035743 U CN203035743 U CN 203035743U CN 201320010531 CN201320010531 CN 201320010531 CN 201320010531 U CN201320010531 U CN 201320010531U CN 203035743 U CN203035743 U CN 203035743U
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- bearing pin
- hole
- lock clasp
- thing
- lock
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- 230000035515 penetration Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The hinge pin locking assembly comprises a connecting piece and a fastening piece, the connecting piece comprises a rod body and a locking portion, a through hole is formed in the locking portion, and the fastening piece penetrates through the through hole. Compared with the prior art, the utility model discloses a round pin axle locking Assembly both can restrict the rotation of round pin axle, can restrict the axial displacement of round pin axle again, so can need not set up in addition at the other end of round pin axle and block the structure again, and its simple structure, and the cooperation precision requirement to each component is not high, easily processing and installation.
Description
Technical field
The utility model relates to mechanical connecting structure, in particular to a kind of lock clasp assembly and have lock clasp structure and the hoist of this lock clasp assembly.
Background technique
Bearing pin is the fastening piece that a class plays the connection effect, is mainly used in the joint of two parts, constitutes hinge and connects.Bearing pin is the common components of engineering truck hoist, is connected with the balance arm pull bar as being connected of being connected of shear leg and traverse platform, shear leg and shear leg pull bar, balance arm.In order to prevent the bearing pin rotation, generally at an end or the two ends of bearing pin the lock clasp structure is set.
A kind of lock clasp structure commonly used comprises locking nut and spring pin, is used for an end of locking bearing pin.End at bearing pin is provided with the screw thread that cooperates with this nut and the through hole that cooperates with this spring pin, the axis normal of the axis of this through hole and bearing pin axostylus axostyle.Top at nut is arranged with limited impression.After bearing pin was inserted connected component, its end with screw thread was exposed to the connected component surface.During locking, nut is screwed in the end that bearing pin has screw thread, tighten back nut and be close to the surface of parts to be connected, again spring pin is passed the through hole of bearing pin, and with two end holdings of spring pin in the limited impression of nut, nut hinders nut with the frictional force on connected component surface and rotates relative to this connected component, and spring pin limits axostylus axostyle with the cooperation of nut limited impression and rotates relative to nut, thereby can prevent the bearing pin rotation, realize lock clasp.But this lock clasp structure only can limit the rotation of bearing pin, and therefore the other end at bearing pin must be equipped with the bearing pin cap, perhaps other this locking mechanism of cover.Therefore this lock clasp structure the other end that is not suitable for bearing pin can not expose from the opposite side of connected component, perhaps the opposite side of connected component can't mount pin shaft locking structure situation.
Another kind of commonly used lock clasp structure comprises fixed dam and two bolts, can adopt milling machine etc. in a side of bearing pin near its end, milling out a cross section perpendicular to its axis is semi-moon shaped draw-in groove.After bearing pin was inserted connected component, its end with draw-in groove was exposed to the connected component surface.During locking, fixed dam is inserted this semi-moon shaped draw-in groove, this moment, fixed dam was basic parallel with the connected component surface, adopted at least two bolts that fixed dam is fixed on the connected component again and got final product.This lock clasp structure both can limit moving axially of bearing pin, can limit the rotation of bearing pin again, therefore the other end that goes for bearing pin can not expose from the opposite side of connected component, perhaps the opposite side of connected component can't mount pin shaft locking structure situation.But, this lock clasp structure need mill out fluting in the bearing pin side, can destroy the intensity of bearing pin to a certain extent, and fixed dam needs plural bolt to fix, therefore need to process in advance plural tapped hole at connected component, also need guarantee the tolerance between these tapped holes and the pin shaft hole, cause manufacturing and assembly process all to compare difficulty.
The model utility content
The utility model provides a kind of lock clasp assembly, and it is easy to processing and installs, and bearing pin is played good anti-loosing effect.
In addition, the utility model also provides a kind of lock clasp structure with above-mentioned lock clasp assembly.
In addition, the utility model also provides a kind of hoist with above-mentioned lock clasp assembly.
For reaching above-mentioned advantage, the utility model provides a kind of lock clasp assembly, comprises link and fastening piece, and described link comprises the body of rod and tight lock part, and described tight lock part is offered penetration hole, and described fastening piece passes described penetration hole.
In an embodiment of the present utility model, described fastening piece is threaded fastener.
In an embodiment of the present utility model, the described body of rod is cylindric, the axis of described penetration hole and the axis normal of the described body of rod.
In an embodiment of the present utility model, described lock clasp assembly also comprises pad, and described threaded fastener comprises nut, and described pad is between described nut and described tight lock part.
In an embodiment of the present utility model, described tight lock part is circular.
The utility model also provides a kind of lock clasp structure, comprises bearing pin, is connected thing and lock clasp assembly; End at described bearing pin is provided with through hole, and described bearing pin passes the described thing that is connected, and the described body of rod of described link passes the described through hole of described bearing pin, and described fastening piece is fastened on described being connected on the thing with described link.
In an embodiment of the present utility model, the axis of described through hole and the axis normal of described bearing pin.
The utility model also provides a kind of hoist, comprises that first is connected thing, second and is connected thing, bearing pin and above-mentioned lock clasp assembly; Described bearing pin connects described first and is connected thing and described second and is connected thing; End at described bearing pin is provided with through hole, and the described body of rod of described link passes the described through hole of described bearing pin, and described fastening piece is fastened on described first with described link and is connected on the thing.
In an embodiment of the present utility model, described first is connected thing is provided with the mounting hole that cooperates with described fastening piece near described bearing pin.
In an embodiment of the present utility model, the axis of described through hole and the axis normal of described bearing pin.
Adopt the utility model embodiment's lock clasp assembly, lock clasp structure and lock clasp structure, the body of rod of link is passed the through hole of bearing pin end, the tight lock part of link is fixed on first by fastening piece and is connected on the thing, both can limit the rotation of bearing pin, can limit moving axially of bearing pin again.Thereby both having gone for the bearing pin two ends, the lock clasp assembly, lock clasp structure and the lock clasp structure that make the utility model embodiment all needed the situation of locking, only also going for bearing pin one end needs locking, and the other end can't arrange the situation of locking mechanism.
In addition, the utility model embodiment's bearing pin lock clasp assembly, lock clasp structure and lock clasp are simple in structure, and be less demanding to the quality of fit of each element, is easy to processing and installation.The bearing pin that the utility model embodiment's bearing pin lock clasp assembly, lock clasp structure and lock clasp structure can utilize existing end to have through hole is assembled, and does not need bearing pin is processed especially, has very strong applicability.
For above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the schematic representation of the utility model preferred embodiment lock clasp structure.
Fig. 2 is that lock clasp structure A shown in Figure 1 is to schematic representation.
Embodiment
Be to reach technological means and the effect that predetermined model utility purpose is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof to according to lock clasp assembly, lock clasp structure and the hoist that the utility model proposes are described in detail as follows:
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can be known to present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, the utility model is limited.
Lock clasp structure of the present utility model can be applied on the hinging structure of hoist, be connected with the balance arm pull bar as being connected of being connected of shear leg and traverse platform, shear leg and shear leg pull bar, balance arm, but this does not make restriction to application of the present utility model, and lock clasp structure of the present utility model can be applied in other mechanical hinging structure.
Please refer to Fig. 1 and Fig. 2, the lock clasp structure 1 of the utility model preferred embodiment comprises that bearing pin 10, to be connected first is connected thing 20, second and is connected thing 30 and lock clasp assembly 40.First is connected thing 20 and second is connected thing 30 and is connected by bearing pin 10, and bearing pin 10 is fastened on first by lock clasp assembly 40 and is connected on the thing 20.
End at bearing pin 10 offers through hole 12, the axis normal of the axis of through hole 12 and bearing pin 10.
In the present embodiment, first is connected thing 20 has the first installation otic placode 22 and the second installation otic placode 24 that arranges at interval, on the first installation otic placode 22 and the second installation otic placode 24, offer first axis hole 222 and second axis hole 242 respectively, first axis hole 222 and the 242 coaxial settings of second axis hole are used for cooperating with bearing pin 10.Install on the otic placode 22 first, first axis hole, 222 sides offer mounting hole 224, and the axis of mounting hole 224 is parallel with the axis of second axis hole 242 with first axis hole 222.
Second is connected thing 30 is located in first and is connected first of thing 20 and otic placode 22 and second is installed is installed between the otic placode 24.Be connected thing 30 second and offer with first to be connected the position of first axis hole 222 of thing 20 and second axis hole 242 corresponding, and with the jack 32 of bearing pin 10 Spielpassung.
Lock clasp assembly 40 comprises link 42 and fastening piece, and this fastening piece is threaded fastener, and it comprises bolt 44 and pad 46.
Bolt 44 has screw rod 44b and is positioned at the nut 44a of screw rod 44b one end.Penetration hole 42c can pass for screw rod 44b.
Pad 46 is used for being arranged between nut 44a and the tight lock part 42b, to reduce the friction between nut 44a and the tight lock part 42b.
In the present embodiment, the cross section of the through hole 12 of bearing pin 10 is circular, and the body of rod 42a of link 42 is cylindrical body, the axis normal of the axis of through hole 12 and bearing pin 10.But the shape of cross section of through hole 12 and body of rod 42a is not limited to circle, also can be other shape, as rectangular or square.Even the shape of cross section of through hole 12 and body of rod 42a also can be inconsistent, as long as body of rod 42a can insert through hole 12.
During installation, at first be connected thing 30 with second and be sandwiched in first and be connected first of thing 20 and otic placode 22 and second is installed is installed between the otic placode 24, jack 32 is aimed at first axis hole 22 and second axis hole 24; Then bearing pin 10 is inserted first and be connected thing 20 and second and be connected thing 30, the end that makes bearing pin 10 have through hole 12 is exposed to first surface that is connected thing 20; Then the body of rod 42a of link 42 is injected the through hole 12 of bearing pin 10, and with the penetration hole 42c of tight lock part 42b over against first mounting hole 224 that is connected thing 20; Then pad 46 is enclosed within on the screw rod 44b of bolt 44, then the end of screw rod 44b is passed penetration hole 42c and screw in first mounting hole 224 that is connected thing 20, tight a bolt 44, be connected on the thing 20 thereby bearing pin 10 is fixed on first.Be Spielpassung because bearing pin 10 and second is connected the jack 32 of thing 30, therefore second be connected thing 30 and can be connected thing 20 relative to first around bearing pin 10 and rotate.
In the present embodiment, be sandwiched in first and be connected first of thing 20 and otic placode 22 and second is installed is installed between the otic placode 24 because second is connected thing 30, and being fixed on first by lock clasp assembly 40, bearing pin 10 is connected on the thing 20, and lock clasp assembly 40 both can limit the rotation of bearing pin 10, can limit moving axially of bearing pin 10 again, so the other end at bearing pin 10 can not need to arrange in addition barrier structure again, but this and do not mean that the other end structure of the bearing pin 10 of the utility model lock clasp structure made restriction.Those of ordinary skills can easily understand, and equally barrier structure can be set at the other end of bearing pin 10, as the bearing pin cap; Perhaps locking mechanism is as the utility model embodiment's locking mechanism.
Be appreciated that bolt 44 also can replace with other threaded fastener such as screw, and the screw section of other threaded fasteners such as the first installation mounting hole 224 that is connected thing 20 and screw cooperates.In this case, the utility model embodiment's locking mechanism constitutes dismountable cooperation.Be appreciated that equally bolt 44 also can replace with non-threaded fastener, for example form the locating stud etc. of interference fit with first mounting hole 224 that is connected thing 20.In this case, the utility model embodiment's locking mechanism can constitute non-removable cooperation.
Adopt the utility model embodiment's lock clasp assembly 40, lock clasp structure and lock clasp structure 1, the body of rod 42a of link 42 is passed the through hole 12 of bearing pin 10 ends, the tight lock part 42b of link 42 is fixed on first by fastening piece and is connected on the thing 30, both can limit the rotation of bearing pin 10, can limit moving axially of bearing pin 10 again.Thereby both having gone for bearing pin 10 two ends, the lock clasp assembly 40, lock clasp structure and the lock clasp structure 1 that make the utility model embodiment all needed the situation of locking, only also going for bearing pin 10 1 ends needs locking, and the other end can't arrange the situation of locking mechanism.In addition, the utility model embodiment's bearing pin lock clasp assembly 40, lock clasp structure and lock clasp structure 1 are simple in structure, and be less demanding to the quality of fit of each element, is easy to processing and installation.The bearing pin that the utility model embodiment's bearing pin lock clasp assembly 40, lock clasp structure and lock clasp structure 1 can utilize existing end to have through hole is assembled, and does not need bearing pin is processed especially, has very strong applicability.
More than, only be embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a lock clasp assembly (40), it is characterized in that: described lock clasp assembly (40) comprises link (42) and fastening piece (44), described link (42) comprises the body of rod (42a) and tight lock part (42b), described tight lock part (42b) is offered penetration hole (42c), and described fastening piece (44) passes described penetration hole (42c).
2. lock clasp assembly as claimed in claim 1 (40), it is characterized in that: described fastening piece (44) is threaded fastener.
3. lock clasp assembly as claimed in claim 2 (40) is characterized in that: the described body of rod (42a) is for cylindric, the axis normal of the axis of described penetration hole (42c) and the described body of rod (42a).
4. lock clasp assembly as claimed in claim 3 (40), it is characterized in that: described lock clasp assembly (40) also comprises pad (46), described threaded fastener (44) comprises nut (44a), and described pad (46) is positioned between described nut (44a) and the described tight lock part (42b).
5. lock clasp assembly as claimed in claim 1 (40) is characterized in that: described tight lock part (42b) is for circular.
6. a lock clasp structure (1), comprise bearing pin (10) and be connected thing (20), end at described bearing pin (10) is provided with through hole (12), described bearing pin (10) passes the described thing (20) that is connected, it is characterized in that: described lock clasp structure (1) also comprises as each described lock clasp assembly (40) of claim 1 to 5, the described body of rod (42a) of described link (42) passes the described through hole (12) of described bearing pin (10), and described fastening piece (44) is fastened on described being connected on the thing (20) with described link (42).
7. lock clasp structure as claimed in claim 6 (1) is characterized in that: the axis normal of the axis of described through hole (12) and described bearing pin (10).
8. hoist, comprise that first is connected thing (20), second is connected thing (30) and bearing pin (10), described bearing pin (10) connection described first is connected thing (20) and described second and is connected thing (30), end at described bearing pin (10) is provided with through hole (12), it is characterized in that: described lock clasp structure (1) also comprises as each described lock clasp assembly (40) of claim 1 to 5, the described body of rod (42a) of described link (42) passes the described through hole (12) of described bearing pin (10), and described fastening piece (44) is fastened on described first with described link (42) and is connected on the thing (20).
9. hoist as claimed in claim 8, it is characterized in that: described first is connected thing (20) is provided with the mounting hole (224) that cooperates with described fastening piece (44) near described bearing pin (10).
10. hoist as claimed in claim 9 is characterized in that: the axis normal of the axis of described through hole (12) and described bearing pin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010531 CN203035743U (en) | 2013-01-09 | 2013-01-09 | Pin shaft locking assembly, pin shaft locking structure and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010531 CN203035743U (en) | 2013-01-09 | 2013-01-09 | Pin shaft locking assembly, pin shaft locking structure and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035743U true CN203035743U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320010531 Expired - Fee Related CN203035743U (en) | 2013-01-09 | 2013-01-09 | Pin shaft locking assembly, pin shaft locking structure and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035743U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120347A (en) * | 2017-05-26 | 2017-09-01 | 湖北聚力汽车技术股份有限公司 | A kind of special purpose vehicle bearing pin fixation kit |
| CN107504021A (en) * | 2017-10-19 | 2017-12-22 | 浙江华创机电科技有限公司 | One kind winding arm safety locking mechanism |
| WO2020151409A1 (en) * | 2019-01-25 | 2020-07-30 | 烟台盛利达工程技术有限公司 | Slag dredging mechanism |
| CN112723195A (en) * | 2020-12-23 | 2021-04-30 | 江苏攀登能源科技有限公司 | Connecting structure of tower crane boom |
-
2013
- 2013-01-09 CN CN 201320010531 patent/CN203035743U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120347A (en) * | 2017-05-26 | 2017-09-01 | 湖北聚力汽车技术股份有限公司 | A kind of special purpose vehicle bearing pin fixation kit |
| CN107504021A (en) * | 2017-10-19 | 2017-12-22 | 浙江华创机电科技有限公司 | One kind winding arm safety locking mechanism |
| WO2020151409A1 (en) * | 2019-01-25 | 2020-07-30 | 烟台盛利达工程技术有限公司 | Slag dredging mechanism |
| CN112723195A (en) * | 2020-12-23 | 2021-04-30 | 江苏攀登能源科技有限公司 | Connecting structure of tower crane boom |
| CN112723195B (en) * | 2020-12-23 | 2024-04-26 | 江苏攀登能源科技有限公司 | Connecting structure of crane boom of tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20220109 |