CN203009535U - Connection device and scraper conveyer - Google Patents
Connection device and scraper conveyer Download PDFInfo
- Publication number
- CN203009535U CN203009535U CN 201220699643 CN201220699643U CN203009535U CN 203009535 U CN203009535 U CN 203009535U CN 201220699643 CN201220699643 CN 201220699643 CN 201220699643 U CN201220699643 U CN 201220699643U CN 203009535 U CN203009535 U CN 203009535U
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- China
- Prior art keywords
- nut
- wedge
- shaped anti
- elastic ring
- gasket
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a connection device and a scraper conveyer. The connection device is used for connecting a part to be connected, and comprises a bolt, a pad and a nut, wherein the bolt penetrates the part to be connected, the pad and the nut in sequence, the end surface of a first end, opposite to the nut, of the pad is provided with a first wedge-shaped anti-looseness structure, and a second wedge-shaped anti-looseness structure matched with the first wedge-shaped anti-looseness structure is arranged at a first end of the nut. According to the connection device, the end surfaces of one ends of the pad and the nut are both provided with the wedge-shaped anti-looseness structures, after the nut is screwed up, the first wedge-shaped anti-looseness structure on the pad is meshed with the second wedge-shaped anti-looseness structure on the nut, the frictional force between the pad and the nut is increased, and the anti-looseness effect is improved. In addition, the pad and the nut can be reutilized and do not need to be replaced frequently.
Description
Technical Field
The utility model relates to an engineering machine tool field, in particular to connecting device and scraper conveyor.
Background
At present, scrapers in underground scraper conveyors for coal mines are generally connected with a conveying chain through bolts, and due to frequent underground vibration environments, anti-loosening facilities need to be arranged on the connecting bolts. The existing common anti-loosening mode is to adopt a GB889 non-metal hexagonal thread anti-loosening nut, and realize anti-loosening through a nylon ring arranged in the nut, but the anti-loosening method of the nut is single, and the anti-loosening reliability of the nut cannot be ensured in the underground frequent vibration environment; in addition, after the locknut is disassembled, the internal nylon ring is damaged, the locking effect cannot be ensured, and the locknut needs to be replaced again.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a connecting device and scraper conveyor to solve the poor problem of locking effect among the current connecting device.
In one aspect, the present invention provides a connecting device for connecting a connected member, the connecting device comprising: bolts, washers, and nuts; the bolt sequentially penetrates through the connected piece, the gasket and the nut; a first wedge-shaped anti-loosening structure is arranged on the end face of the first end, opposite to the nut, of the gasket; and a second wedge-shaped anti-loosening structure matched with the first wedge-shaped anti-loosening structure is arranged at the first end of the nut.
Further, in the above connection device, the first wedge-shaped anti-loosening structure includes a wedge-shaped straight tooth structure formed by a first inclined surface inclined with respect to the end surface of the first end of the shim and a first straight surface perpendicular to the end surface of the first end of the shim; the second wedge-shaped anti-loosening structure comprises a wedge-shaped straight tooth structure which is composed of a second inclined surface inclined relative to the end surface of the first end of the nut and a second straight surface vertical to the end surface of the first end of the nut; and the first wedge-shaped anti-loosening structure is matched with the second wedge-shaped anti-loosening structure.
Further, in the above connection device, an included angle between a first inclined surface of the first wedge-shaped anti-loose structure and the first end face of the gasket is greater than a lead angle of the nut; and an included angle between a second inclined plane in the second wedge-shaped anti-loosening structure and the flush end surface of the nut is larger than a thread lead angle of the nut.
Further, in the above connection device, a flange is circumferentially disposed at the first end of the nut, an end surface of the flange is flush with an end surface of the first end of the nut, and the second wedge-shaped anti-loosening structure is disposed on the flush end surface.
Further, in the above connecting device, the flange and the nut are integrally formed.
Furthermore, in the above connecting device, the second end of the nut is further provided with an elastic ring and an elastic ring mounting body; one end of the elastic ring mounting body is fixedly connected with the second end of the nut, a flange is arranged at the other end of the elastic ring mounting body, and the elastic ring is mounted in the elastic ring mounting body and clamped by the flange.
Further, in the above connecting device, the elastic ring mounting body is a circular truncated cone with a through hole, one end of the circular truncated cone is fixedly connected with the second end of the nut, the other end of the circular truncated cone is provided with a flange facing the through hole, and the through hole is larger than the threaded hole of the nut.
Further, in the above connecting device, the elastic ring is a nylon ring.
The utility model provides a connecting device all is provided with wedge anti loosening structure at the terminal surface of the relative one end of gasket and nut, and the nut back of screwing, first wedge anti loosening structure on the gasket and the second wedge anti loosening structure looks interlock on the nut have increased frictional force between the two, improve locking effect, in addition, the utility model provides a gasket and nut can used repeatedly, needn't frequently change.
On the other hand, the utility model also provides a scraper conveyor, including scraper blade and chain, this scraper blade with the chain is connected through any kind of connecting device of the aforesaid.
Preferably, the bolts in the connecting device are E-bolts.
Since the connecting device has the above-described effects, the scraper conveyor having the connecting device also has corresponding technical effects.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic cross-sectional view of an embodiment of the connection device of the present invention;
fig. 2 is a schematic structural diagram of a nut in an embodiment of the connecting device of the present invention;
FIG. 3 is a schematic structural diagram of a gasket according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1 at position A;
FIG. 5 is a schematic cross-sectional view of an embodiment of a face conveyor;
FIG. 6 is a schematic view of the connection of flights to a chain in an embodiment of a flight conveyor.
Description of reference numerals:
1 bolt
2 nut
21 second inclined plane
22 second straight side
3 shim
31 first inclined plane
32 first straight surface
4 connected piece
5 scraping board
6 elastic ring
7 elastic ring mounting body
8 chain
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1-4, a preferred embodiment of the connection device is shown. The connecting device is used for connecting the connected piece 4. As shown, the connecting device includes: bolt 1, washer 3 and nut 2.
Wherein, the bolt 1 is sequentially arranged on the connected piece 4, the gasket 3 and the nut 2 in a penetrating way; moreover, the end face of the first end of the gasket 3 is provided with a first wedge-shaped anti-loosening structure; a second wedge-shaped anti-loosening structure matched with the first wedge-shaped anti-loosening structure is arranged at the first end of the nut 2; the first end of the washer 3 is opposite to the first end of the nut 2.
It can be seen that, in this embodiment, the end face of the opposite end of the gasket 3 and the nut 2 is provided with the wedge-shaped anti-loose structure, and after the nut 2 is screwed, the first wedge-shaped anti-loose structure on the gasket 3 is meshed with the second wedge-shaped anti-loose structure on the nut 2, so that the friction between the two is increased, and the anti-loose effect is improved.
Referring to fig. 1-4, preferred embodiments of a first wedge lock and a second wedge lock are shown. As shown in the figure, the first wedge-shaped anti-loosening structure comprises a wedge-shaped straight tooth structure consisting of a first inclined surface 31 inclined relative to the end surface of the first end of the gasket 3 and a first straight surface 32 perpendicular to the end surface of the first end of the gasket 3; the second wedge-shaped anti-loosening structure comprises a wedge-shaped straight tooth structure consisting of a second inclined surface 21 inclined relative to the end surface of the first end of the nut 2 and a second straight surface 22 vertical to the end surface of the first end of the nut; and, first wedge locking structure and second wedge locking structure looks adaptation.
After the nut 2 is screwed, the second inclined surface 21 on the nut 2 is attached to the first inclined surface 31 on the gasket 3, the second straight surface 22 on the nut 2 is attached to the first straight surface 32 on the gasket 3, and the second straight surface 22 and the first straight surface 32 are clamped with each other to apply anti-loosening force to the nut 2 and improve the anti-loosening effect.
In the above embodiments, the included angle between the first inclined surface 31 of the first wedge-shaped anti-loose structure and the first end surface of the spacer 3 is greater than the lead angle of the nut 2; and the included angle alpha between the second inclined plane 21 in the second wedge-shaped anti-loose structure and the flush end surface of the nut 2 is larger than the lead angle of the thread of the nut 2, so that the self-locking friction anti-loose of the nut 2 is realized.
In the above embodiment, the first end of the nut 2 may be provided with a flange (not shown in the figure) in the circumferential direction, an end surface of the flange is flush with an end surface of the first end of the nut 2, and the second wedge-shaped anti-loosening structure is arranged on the flush end surface.
The area of the second end face of the nut 2 is increased due to the arrangement of the flange, so that the area of the second wedge-shaped anti-loosening structure is increased, and the anti-loosening effect is improved.
The flange and the nut 2 may be integrally formed for increased overall strength.
In order to further improve the anti-loosening effect, the above embodiments can be further improved, and the elastic ring 6 and the elastic ring mounting body 7 are additionally arranged. As shown in fig. 2, one end of the elastic ring mounting body 7 is fixedly connected with the second end of the nut 2, the other end of the elastic ring mounting body 7 is provided with a flange 71, and the elastic ring 6 is mounted in the elastic ring mounting body 7 and is clamped by the flange 71.
When the nut is vibrated in the work process, the elastic ring 6 is tightly attached to the bolt 1 because the elastic ring 6 is arranged in the elastic ring mounting body 7 and clamped by the flanging 71, so that the vibration in the screw thread working process is absorbed, and the anti-loosening effect is achieved.
In the above embodiments, the elastic ring mounting body 7 may be a circular truncated cone with a through hole, one end of the circular truncated cone is fixedly connected to the second end of the nut 2, the other end of the circular truncated cone is provided with a flange 71 facing the through hole, and the through hole is larger than the threaded hole of the nut 2.
The elastic ring mounting body 7 is designed to be a round table, so that the overall attractiveness and safety are improved, and the through hole of the round table is larger than the threaded hole of the nut 2, so that the elastic ring 6 can be placed on the end face of the nut 2, and the elastic ring 6 is convenient to mount.
In specific implementation, the elastic ring 6 may be a nylon ring, and the nut 2 may have a hexagonal structure.
The anti-loosening principle of the connecting device is as follows: after the nut 2 is fastened, a second wedge-shaped structure on the end face of the first end of the nut 2 is meshed with a first wedge-shaped structure on the end face of the first end of the gasket 3, the circumferential lead angle of a first inclined plane or a second inclined plane on the first wedge-shaped structure and the second wedge-shaped structure is larger than the thread lead angle of the nut 2, when the nut 2 is in a loosening trend due to vibration, the end face of the first end of the nut 2 and the gasket 3 move relatively, and the friction force is increased sharply after the wedge-shaped structures on the outer sides of the first wedge-shaped structure and the gasket are in contact, so that the nut 2; in addition, under the condition of vibration, the nut 2 can realize self adjustment and return to the original position.
It can be seen from the above-mentioned embodiment that connecting device all is provided with the wedge structure on gasket 3 and nut 2 in this embodiment, and the interlock through the wedge structure realizes locking, and in addition, this connecting device has still set up the nylon ring at the other end of nut 2, through the laminating of nylon ring and bolt 1, further strengthens locking effect. The washer 3 and the nut 2 in this embodiment can be reused without frequent replacement.
The utility model also provides a scraper conveyor, see figure 5, figure 6, this scraper conveyor is including scraping 5 and chain 8, and this scraper blade 5 and chain 8 are connected through any kind of connecting device of above-mentioned. Wherein, the concrete implementation process of this connecting device can with reference to above-mentioned explanation, the utility model discloses no longer describe herein.
In a specific implementation, the bolt 2 in the connecting device may be an E-bolt.
Since the connecting device has the above-described effects, the scraper conveyor having the connecting device also has corresponding technical effects.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A connecting device for connecting connected pieces (4), characterized in that it comprises: the bolt (1), the gasket (3) and the nut (2); wherein,
the bolt (1) is sequentially arranged in the connected piece (4), the gasket (3) and the nut (2) in a penetrating manner; and,
a first wedge-shaped anti-loosening structure is arranged on the end face of a first end, opposite to the nut (2), of the gasket (3);
and a second wedge-shaped anti-loosening structure matched with the first wedge-shaped anti-loosening structure is arranged at the first end of the nut (2).
2. The connection device of claim 1,
the first wedge-shaped anti-loosening structure comprises a wedge-shaped straight tooth structure consisting of a first inclined surface (31) inclined relative to the end surface of the first end of the gasket (3) and a first straight surface (32) perpendicular to the end surface of the first end of the gasket (3);
the second wedge-shaped anti-loosening structure comprises a wedge-shaped straight tooth structure which is composed of a second inclined surface (21) inclined relative to the end surface of the first end of the nut (2) and a second straight surface (22) vertical to the end surface of the first end of the nut (2); and,
the first wedge-shaped anti-loosening structure is matched with the second wedge-shaped anti-loosening structure.
3. The connection device of claim 2,
an included angle between a first inclined surface (31) in the first wedge-shaped anti-loosening structure and the end surface of the first end of the gasket (3) is larger than a lead angle of the nut (2); and the number of the first and second groups,
and an included angle between a second inclined plane (21) in the second wedge-shaped anti-loosening structure and the flush end surface of the nut (2) is larger than a lead angle of the nut (2).
4. A connection device according to any one of claims 1-3, characterised in that the first end of the nut (2) is provided circumferentially with a flange, the end face of which is flush with the end face of the first end of the nut (2), the second wedge-shaped anti-loosening structure being provided on the flush end face.
5. A connection device according to claim 4, characterized in that the flange is formed in one piece with the nut (2).
6. A connection device according to claim 5, characterized in that the second end of the nut (2) is further provided with an elastic ring (6) and an elastic ring mounting body (7); one end of the elastic ring mounting body (7) is fixedly connected with the second end of the nut (2), a flanging (71) is arranged at the other end of the elastic ring mounting body (7), and the elastic ring (6) is mounted in the elastic ring mounting body (7) and clamped by the flanging (71).
7. The connecting device according to claim 6, wherein the elastic ring mounting body (7) is a circular truncated cone with a through hole, one end of the circular truncated cone is fixedly connected with the second end of the nut (2), the other end of the circular truncated cone is provided with the flange (71) facing the through hole, and the through hole is larger than the threaded hole of the nut (2).
8. A connection device according to claim 7, characterized in that the elastic ring (6) is a nylon ring.
9. A scraper conveyor comprising a scraper and a chain, characterized in that the scraper and the chain are connected by a connecting device according to any one of claims 1 to 8.
10. Scraper conveyor according to claim 9, characterized in that the bolts (2) in the connecting means are E-bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220699643 CN203009535U (en) | 2012-12-17 | 2012-12-17 | Connection device and scraper conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220699643 CN203009535U (en) | 2012-12-17 | 2012-12-17 | Connection device and scraper conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009535U true CN203009535U (en) | 2013-06-19 |
Family
ID=48601132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220699643 Expired - Fee Related CN203009535U (en) | 2012-12-17 | 2012-12-17 | Connection device and scraper conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009535U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434793A (en) * | 2013-08-20 | 2013-12-11 | 吴雷平 | Large-size E-type bolt |
| CN104235160A (en) * | 2014-08-27 | 2014-12-24 | 刘兴丹 | Mechanical self-locking bolt |
| CN104405777A (en) * | 2014-11-14 | 2015-03-11 | 江苏荣基重工科技有限公司 | Wind power generation combination contraction locking disk |
| CN106051047A (en) * | 2016-05-27 | 2016-10-26 | 耿亮 | Chuck device with self-locking structure |
| CN106499712A (en) * | 2016-12-22 | 2017-03-15 | 林志厚 | A kind of tight bolt assembly method of attachment |
| CN107017361A (en) * | 2017-05-24 | 2017-08-04 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
| CN107735580A (en) * | 2015-04-13 | 2018-02-23 | A·雷蒙德有限合伙公司 | Fixing device |
| CN109201218A (en) * | 2018-10-30 | 2019-01-15 | 长沙天创粉末技术有限公司 | A kind of pressing device for ball mill grinding jar |
-
2012
- 2012-12-17 CN CN 201220699643 patent/CN203009535U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434793A (en) * | 2013-08-20 | 2013-12-11 | 吴雷平 | Large-size E-type bolt |
| CN104235160A (en) * | 2014-08-27 | 2014-12-24 | 刘兴丹 | Mechanical self-locking bolt |
| CN104405777A (en) * | 2014-11-14 | 2015-03-11 | 江苏荣基重工科技有限公司 | Wind power generation combination contraction locking disk |
| CN107735580A (en) * | 2015-04-13 | 2018-02-23 | A·雷蒙德有限合伙公司 | Fixing device |
| US10465727B2 (en) | 2015-04-13 | 2019-11-05 | A. Raymond Et Cie | Fastener device |
| CN107735580B (en) * | 2015-04-13 | 2020-09-04 | A·雷蒙德有限合伙公司 | Fixing device |
| CN106051047A (en) * | 2016-05-27 | 2016-10-26 | 耿亮 | Chuck device with self-locking structure |
| CN106499712A (en) * | 2016-12-22 | 2017-03-15 | 林志厚 | A kind of tight bolt assembly method of attachment |
| CN107017361A (en) * | 2017-05-24 | 2017-08-04 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
| CN109201218A (en) * | 2018-10-30 | 2019-01-15 | 长沙天创粉末技术有限公司 | A kind of pressing device for ball mill grinding jar |
| CN109201218B (en) * | 2018-10-30 | 2024-03-19 | 长沙天创粉末技术有限公司 | Pressing device for grinding tank of ball mill |
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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 |
Granted publication date: 20130619 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |