CN206273520U - A kind of chain tightener - Google Patents
A kind of chain tightener Download PDFInfo
- Publication number
- CN206273520U CN206273520U CN201621400192.6U CN201621400192U CN206273520U CN 206273520 U CN206273520 U CN 206273520U CN 201621400192 U CN201621400192 U CN 201621400192U CN 206273520 U CN206273520 U CN 206273520U
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- CN
- China
- Prior art keywords
- connecting rod
- slide fastener
- oil cylinder
- output end
- chain
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- 239000007788 liquid Substances 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Abstract
The utility model discloses a kind of chain tightener, including hydraulic jack and two tight chain components for being used to catch on slide fastener；The two ends of hydraulic jack are respectively arranged with oil cylinder output end, and two tight chain components are arranged on the both sides of hydraulic jack, and each oil cylinder output end is connected with a tight chain component respectively；The bottom of each tight chain component has the grab for catching on slide fastener；First connecting rod is provided with the top of each tight chain component, oil cylinder output end is socketed on first connecting rod, and oil cylinder output end can be rotated relative to first connecting rod；Second connecting rod is additionally provided with each tight chain component, second connecting rod is located at the lower section of first connecting rod, the third connecting rod parallel with oil cylinder output end is connected between two second connecting rods, the two ends of third connecting rod are socketed on two second connecting rods respectively, and third connecting rod can be rotated relative to second connecting rod.The chain tightener that the utility model is provided, it is simple structure, easy to use, it is easy to repair slide fastener.
Description
Technical field
The utility model is related to the scraper chain maintenance of equipment technical field in coal mine equipment, more particularly to a kind of tight chain dress
Put.
Background technology
In recent years, the modernization such as developing rapidly with coal enterprise, shuttle car, continuous miner coal-cutting machinery equipment is obtained
All-round popularization is used, and the equal design and installation scratch board conveyor of coal mine roadway heading equipment charging, the scraper chain of scratch board conveyor is unavoidable
Because when abrasion, swipe chain rupture, or chain are elongated needs maintenance, finally docking chain link, usually drawn because two slide fasteners cannot break end
Worry together, because chain tension extendable room is limited, chain can not connect oversize, Xia Lian roads and termination coal slime block in addition,
Two slide fasteners broken end is in larger distance, it is difficult to after two slide fasteners broken end is pulled together, repaired.
Utility model content
The purpose of this utility model is to overcome defect of the prior art, there is provided one kind is easy to repair scraper chain
The chain tightener of tensioning.
Technical solutions of the utility model provide a kind of chain tightener, including hydraulic jack and two are used to catch on the tight of slide fastener
Chain component；The two ends of the hydraulic jack are respectively arranged with oil cylinder output end, and two tight chain components are arranged on the hydraulic pressure
The both sides of oil cylinder, and each described oil cylinder output end tight chain component described with is connected respectively；Each tight chain component
Bottom all has the grab for catching on the slide fastener；First connecting rod, the oil are provided with the top of each described tight chain component
Cylinder output end is socketed on the first connecting rod, and the oil cylinder output end can be rotated relative to the first connecting rod；Each
It is additionally provided with second connecting rod on the tight chain component, the second connecting rod is located at the lower section of the first connecting rod, two articles described the
The third connecting rod parallel with the oil cylinder output end is connected between two connecting rods, the two ends of the third connecting rod are socketed respectively
On two second connecting rods, and the third connecting rod can be rotated relative to the second connecting rod.
Further, the first sleeve is provided with the oil cylinder output end, the first set jacket casing is connected on described first
On connecting rod, and for gap coordinates between first sleeve and the first connecting rod.
Further, second sleeve is respectively arranged with the two ends of the third connecting rod, the second sleeve is socketed in institute
State on second connecting rod, and for gap coordinates between the second sleeve and the second connecting rod.
Further, each described tight chain component also includes two slide fastener kellies, every end of the slide fastener kelly
It is both provided with the grab；The first connecting rod and the second connecting rod are all connected between two slide fastener kellies.
Further, the grab is integrally formed with the slide fastener kelly.
Further, two slide fastener kellies be arranged in parallel.
Further, hydraulic hand-pump is also included, there are two liquid in-out ports on the hydraulic jack, it is described manual
Hydraulic pump is connected with two liquid in-out ports respectively by two separate liquid feeding pipelines.
Further, the two ends of the first connecting rod are detachably connected by connecting pin with the slide fastener kelly respectively；Institute
The two ends for stating second connecting rod are also detachably connected by the connecting pin with the slide fastener kelly respectively.
Further, the connecting pin is in R types.
Using above-mentioned technical proposal, have the advantages that：
When using, two zipper terminals are hooked on grab, then drive hydraulic jack to stretch out oil cylinder output end, afterwards band
Dynamic two tight chain components are close to each other, are finally pulled together two zipper terminals, fixed by bearing pin, are easy to maintenance.
Thus, the chain tightener that the utility model is provided, it is simple structure, easy to use, it is easy to repair slide fastener.
Brief description of the drawings
The front view of the chain tightener that Fig. 1 is provided for the embodiment of the utility model one；
Fig. 2 is the top view of chain tightener；
Fig. 3 is the side view of tight chain component.
The reference table of comparisons：
1- hydraulic jacks；11- oil cylinder output ends；12- liquid in-outs port；
The sleeves of 13- first；The tight chain components of 2-；21- grabs；
22- first connecting rods；23- second connecting rods；24- third connecting rods；
25- slide fastener kellies；26- second sleeves；3- hydraulic hand-pumps；
31- liquid feeding pipelines；4- connecting pins.
Specific embodiment
Further illustrate specific embodiment of the present utility model below in conjunction with the accompanying drawings.Wherein identical parts phase
Same reference is represented.It should be noted that below description in use word "front", "rear", "left", "right", " on " and
D score refers to the direction in accompanying drawing, and word " interior " and " outward " are referred respectively to towards or away from the side of particular elements geometric center
To.
As Figure 1-3, a kind of chain tightener that the utility model one embodiment is provided, including hydraulic jack 1 and two
The individual tight chain component 2 for catching on slide fastener.
The two ends of hydraulic jack 1 are respectively arranged with oil cylinder output end 11, and two tight chain components 2 are arranged on hydraulic jack 1
Both sides, and each oil cylinder output end 11 is connected with a tight chain component 2 respectively.
The bottom of each tight chain component 2 has the grab 21 for catching on slide fastener.
The top of each tight chain component 2 is provided with first connecting rod 22, and oil cylinder output end 11 is socketed on first connecting rod 22, and
Oil cylinder output end 11 can be rotated relative to first connecting rod 22.
Second connecting rod 23 is additionally provided with each tight chain component 2, second connecting rod 23 is located at the lower section of first connecting rod 22, two
The third connecting rod 24 parallel with oil cylinder output end 11 is connected between second connecting rod 22, the two ends of third connecting rod 24 cover respectively
It is connected on two second connecting rods 22, and third connecting rod 24 can be rotated relative to second connecting rod 22.
When using, two slide fasteners broken end is hooked on two grabs 21 of tight chain component 2 respectively, then drives hydraulic jack 1,
Hydraulic jack 1 drives oil cylinder output end 11 to stretch out.
Because, to rotate connection, oil cylinder output end 11 can be relative to first between oil cylinder output end 11 and first connecting rod 22
Connecting rod 22 is rotated, and also to rotate connection between third connecting rod 24 and two second connecting rods 23, third connecting rod 24 can be with respect to second
Connecting rod 22 is rotated, so, hydraulic jack 1 drives two tops of tight chain component 2 with third connecting rod 24 for shaft core is directed away from liquid
The side of compressing cylinder 1 rotates, and two bottoms of tight chain component 2 (having one end of grab 21) are that shaft core direction is leaned on third connecting rod 24
The nearly side of hydraulic jack 1 is rotated, and the grab 21 in two tight chain components 2 can be close together, and two zipper terminals finally are pulled in into one
Rise, fixed by bearing pin, be easy to maintenance.
When being stopped, two oil cylinder output ends 11 of hydraulic jack 1 are in retracted mode, now two tight chain components 2
The distance of bottom is maximum, or the distance between both sides grab 21 maximum.
It is preferred that as shown in figure 3, being provided with the first sleeve 13 in oil cylinder output end 11, first set jacket casing 13 is connected on
On one connecting rod 22, and for gap coordinates between the first sleeve 13 and first connecting rod 22, so that oil cylinder output end 11 being capable of phase
Rotated for first connecting rod 22.
It is preferred that as shown in figure 3, being respectively arranged with second sleeve 26,26 sets of second sleeve at the two ends of third connecting rod 24
It is connected on second connecting rod 23, and for gap coordinates between second sleeve 26 and second connecting rod 22, so that the energy of third connecting rod 24
It is enough to be rotated relative to second connecting rod 22.
It is preferred that as Figure 2-3, each tight chain component 2 also includes two slide fastener kellies 25, every slide fastener kelly 25
End be both provided with grab 21.
First connecting rod 22 and second connecting rod 23 are all connected between two slide fastener kellies 25.
The main body of tight chain component 2 is set to be made up of two slide fastener kellies 25, construction weight is alleviated and is reduced body
Product.
Grab 21 is both provided with every slide fastener kelly 25, two for often holding grab 21 is all hooked together with slide fastener broken end, is kept away
Exempt from during slide fastener is tensioned, slide fastener departs from, be easy to maintenance.
It is preferred that grab 21 is integrally formed with slide fastener kelly 25, structural strength is improve, extend service life.
It is preferred that as Figure 2-3, two slide fastener kellies 25 be arranged in parallel, it is easy to arrange chain tightener during operation, also just
In the assembling of whole device.
It is preferred that there are two as shown in figure 1, the chain tightener also includes hydraulic hand-pump 3, on hydraulic jack 1 entering
Outlet end mouthful 12, hydraulic hand-pump 3 is connected with two liquid in-out ports 12 respectively by two separate liquid feeding pipelines 31.
When wherein one liquid feeding pipeline is blocked, operation can also continue to by an other liquid feeding pipeline 31.
It is preferred that as Figure 1-3, the two ends of first connecting rod 22 are detachable with slide fastener kelly 25 by connecting pin 4 respectively
Connection；The two ends of second connecting rod 23 are also detachably connected by connecting pin 4 with slide fastener kelly 25 respectively.Directly removed when not using
The separable storage of connecting pin 4, all pull bars and card chain stay, reduces memory space, is easy to carry, stores.
Preferably, connecting pin 4 is in R types, is R pins, is easy to use.When in use, first connecting rod 22 and second connecting rod 23
Two ends are respectively arranged with pin-and-hole, and via is provided with slide fastener kelly 25, and first connecting rod 22 and second connecting rod 23 pierce into drawing respectively
After the via of chain kelly 25, R pins are pierced into the pin-and-hole at the two ends of first connecting rod 22 and second connecting rod 23, you can fixed.
In sum, the chain tightener that the utility model is provided, simple structure, is easy to operation, small volume, lightweight, can
Tensioning maintenance is carried out with by scrapper conveyor slide fastener, two zipper terminals are tensed together, it is applied widely.
As needed, above-mentioned each technical scheme can be combined, to reach best-of-breed technology effect.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that general for this area
For logical technical staff, on the basis of the utility model principle, some other modifications can also be made, also should be regarded as this practicality
New protection domain.
Claims (9)
1. a kind of chain tightener, it is characterised in that be used to catch on the tight chain component of slide fastener including hydraulic jack and two；
The two ends of the hydraulic jack are respectively arranged with oil cylinder output end, and two tight chain components are arranged on the hydraulic jack
Both sides, and each described oil cylinder output end tight chain component described with is connected respectively；
The bottom of each tight chain component has the grab for catching on the slide fastener；
First connecting rod is provided with the top of each described tight chain component, the oil cylinder output end is socketed on the first connecting rod,
And the oil cylinder output end can be rotated relative to the first connecting rod；
Second connecting rod is additionally provided with each described tight chain component, the second connecting rod is located at the lower section of the first connecting rod, two
The third connecting rod parallel with the oil cylinder output end, the two ends of the third connecting rod are connected between second connecting rod described in bar
It is socketed in respectively on two second connecting rods, and the third connecting rod can be rotated relative to the second connecting rod.
2. a kind of chain tightener according to claim 1, it is characterised in that be provided with first in the oil cylinder output end
Sleeve, the first set jacket casing is connected on the first connecting rod, and is gap between first sleeve and the first connecting rod
Coordinate.
3. a kind of chain tightener according to claim 2, it is characterised in that be respectively provided with the two ends of the third connecting rod
There is second sleeve, the second sleeve is socketed on the second connecting rod, and between the second sleeve and the second connecting rod
For gap coordinates.
4. a kind of chain tightener according to claim 3, it is characterised in that each described tight chain component also includes two
Slide fastener kelly, the end of every slide fastener kelly is both provided with the grab；
The first connecting rod and the second connecting rod are all connected between two slide fastener kellies.
5. a kind of chain tightener according to claim 4, it is characterised in that the grab and slide fastener kelly one into
Type.
6. a kind of chain tightener according to claim 5, it is characterised in that two slide fastener kellies be arranged in parallel.
7. a kind of chain tightener according to claim 1, it is characterised in that also include hydraulic hand-pump, the hydraulic pressure
There are two liquid in-out ports on oil cylinder, the hydraulic hand-pump by two separate liquid feeding pipelines respectively with two institutes
State the connection of liquid in-out port.
8. a kind of chain tightener according to claim 4, it is characterised in that the two ends of the first connecting rod are respectively by connecting
Pin is detachably connected with the slide fastener kelly；
The two ends of the second connecting rod are also detachably connected by the connecting pin with the slide fastener kelly respectively.
9. a kind of chain tightener according to claim 8, it is characterised in that the connecting pin is in R types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621400192.6U CN206273520U (en) | 2016-12-19 | 2016-12-19 | A kind of chain tightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621400192.6U CN206273520U (en) | 2016-12-19 | 2016-12-19 | A kind of chain tightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206273520U true CN206273520U (en) | 2017-06-23 |
Family
ID=59063326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621400192.6U Active CN206273520U (en) | 2016-12-19 | 2016-12-19 | A kind of chain tightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206273520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109129312A (en) * | 2018-10-08 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of portable M2 solid state hard disk attaching/detaching apparatus |
-
2016
- 2016-12-19 CN CN201621400192.6U patent/CN206273520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109129312A (en) * | 2018-10-08 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of portable M2 solid state hard disk attaching/detaching apparatus |
| CN109129312B (en) * | 2018-10-08 | 2024-05-28 | 郑州云海信息技术有限公司 | Portable M2 solid state disk dismounting method |
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| GR01 | Patent grant |