CN115744085A - Hydraulic tension device for scraper conveyor - Google Patents
Hydraulic tension device for scraper conveyor Download PDFInfo
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- CN115744085A CN115744085A CN202211483589.6A CN202211483589A CN115744085A CN 115744085 A CN115744085 A CN 115744085A CN 202211483589 A CN202211483589 A CN 202211483589A CN 115744085 A CN115744085 A CN 115744085A
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- scraper conveyor
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- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 4
- 239000003245 coal Substances 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005065 mining Methods 0.000 abstract description 6
- 230000005641 tunneling Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The invention provides a hydraulic tensioning device for a scraper conveyor, which belongs to the technical field of coal mining machinery and comprises a mounting seat, a first fastening piece, a tensioning piece and a second fastening piece, wherein the mounting seat is provided with a first connecting part and a second connecting part, the two mounting seats are correspondingly arranged, the first fastening piece can connect the first connecting part with a scraper conveyor chain, the tensioning piece comprises an oil cylinder and a hydraulic pump, two ends of the oil cylinder are respectively provided with two third connecting parts, and the second fastening piece can connect the third connecting parts with the second connecting part. During construction, after two ends of one section of a scraper conveyor chain are respectively connected and fixed with the two corresponding mounting seats, the chain can be tensioned by utilizing the stretching of the oil cylinder, and the scraper conveyor chain connection or replacement operation is completed, so that the tensioning and releasing operation is simple, the operation safety is greatly improved, the operation time is shortened, and the influence time on tunneling is reduced.
Description
Technical Field
The invention relates to the technical field of coal mining machinery, in particular to a hydraulic tensioning device for a scraper conveyor.
Background
The scraper conveyor is a conveyor which is dragged by a scraper chain and transports bulk materials in a groove. In the current coal mining face, the scraper conveyor not only serves to convey coal and materials, but also serves as a running track of a coal mining machine, so that the scraper conveyor becomes an indispensable main device in a modern coal mining process. The scraper conveyor can keep continuous operation, and the production can be normally carried out. Otherwise, the whole coal face will be in a production stop state, so that the whole production is interrupted.
The distance between the chutes of the existing scraper conveyor can be reduced due to operation, and the accidents of chain blocking, chain jumping, chain breaking and chain derailment can occur when the chain is too loose, so that the scraper and the chain need to be connected or replaced. At present to bilateral chain drag conveyor commonly used, when connecting or changing scraper blade, chain construction, need two people to use the chain block, slowly with drag conveyor chain tensioning, then carry out the connection or the change operation of chain again, the chain block is tightened during being in the atress during, in case collapse to take off and can cause personnel to be injured, has very big risk, and need look for and stabilize the stress point, leads to the construction very inconvenient, influences the tunnelling time.
Disclosure of Invention
The embodiment of the invention provides a hydraulic tensioning device for a scraper conveyor, and aims to solve the problems of potential safety hazards and difficulty in operation in the connection or replacement operation of chains of the conventional double-side chain scraper conveyor.
The embodiment of the invention provides a hydraulic tensioning device for a scraper conveyor, which comprises a mounting seat, a first fastening piece, a tensioning piece and a second fastening piece.
The mount pad is provided with two first connecting portion, and two first connecting portion correspond and set up in mount pad both ends on one side, and the mount pad is provided with the second connecting portion on the central line of two first connecting portion, and the mount pad is two, and corresponds the setting.
The first fastener is capable of connecting the first connection with the scraper conveyor chain.
The tensioning piece comprises an oil cylinder and a hydraulic pump, two third connecting parts are arranged at two ends of the oil cylinder respectively, and the hydraulic pump is connected with the oil cylinder and can control the telescopic motion of the oil cylinder.
The second fastener can connect the third connecting portion with the second connecting portion.
In this embodiment, the mount pad is provided with first connecting portion and second connecting portion, and the mount pad is for corresponding two that set up, and first fastener can be connected first connecting portion and scraper conveyor chain, and the tensioning piece includes hydro-cylinder and hydraulic pump, and the both ends of hydro-cylinder are provided with two third connecting portions respectively, and the second fastener can be connected third connecting portion and second connecting portion. During construction, after two ends of one section of a scraper conveyor chain are respectively connected and fixed with the two corresponding mounting seats, the chain can be tensioned by utilizing the stretching of the oil cylinder, and the scraper conveyor chain connection or replacement operation is completed, so that the tensioning and loosening operation is simple, the operation safety is greatly improved, the operation time is shortened, and the influence time on tunneling is reduced.
In one embodiment of the invention, the mounting base is an isosceles triangle structure, the two first connecting parts are respectively arranged at two symmetrical ends of the bottom edge of the isosceles triangle, and the second connecting part is arranged at the position close to the vertex angle of the isosceles triangle.
In this embodiment, the mounting base is configured as an isosceles triangle, the two first connecting portions are respectively disposed at two symmetrical ends of the bottom edge of the isosceles triangle, and the second connecting portion is disposed at the vertex angle close to the isosceles triangle, so that the two first connecting portions and the second connecting portion can be stably applied with opposite force on the same plane, and the material of the mounting base can be simplified.
In one embodiment of the invention, the mounting seat is formed by welding an upper steel plate and a lower steel plate at intervals, and the third connecting part can extend into the space between the two steel plates and is connected with the mounting seat through the second fastening piece.
In this embodiment, set up the mount pad into by upper and lower two steel sheet interval welding and form, the third connecting portion can stretch into between two steel sheets to realize being connected with the mount pad through the second fastener, just so can make the mount pad more balanced firm with being connected of hydro-cylinder.
In one embodiment of the invention, the steel plate thickness is set to 5mm.
In this embodiment, the thickness of the steel plate is set to 5mm, so that the mounting seat structure is strong and durable.
In one embodiment of the invention, the first connecting portion is a chain ring, and the chain ring is welded to the mounting seat.
In this embodiment, set up first connecting portion as the link, the link welds in the mount pad, and when using with the link pass through first fastener with the chain be connected can, easy operation.
In one embodiment of the invention, the first fastener is a bolt.
In this embodiment, the first fastening member is provided as a bolt, which makes it more convenient to connect or detach the first connecting portion and the chain.
In one embodiment of the invention, the second connecting portion and the third connecting portion are each provided as a through hole, and the second fastening member is a pin which is capable of passing through the second connecting portion and the third connecting portion.
In this embodiment, the second connecting portion and the third connecting portion are both provided as through holes, the second fastener is a pin, and the pin can penetrate through the second connecting portion and the third connecting portion, so that the second connecting portion and the third connecting portion can be connected more stably.
In one embodiment of the invention, the hydraulic pump is a pneumatic hydraulic pump.
In this embodiment, set up the hydraulic pump into pnematic hydraulic pump, be fit for the control operation under the mine more, safe and reliable, convenient to carry.
The hydraulic tensioning device for the scraper conveyor provided by the embodiment of the invention can effectively solve the problems of potential safety hazard and difficulty in construction when the chain of the existing double-side chain scraper conveyor is connected or replaced, provides great help for the connection or replacement construction of the chain of the scraper conveyor, has strong practicability, greatly improves the coal mine tunneling speed, and makes outstanding contribution to coal mine mining.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a hydraulic tensioning device for a scraper conveyor according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the mounting base;
fig. 3 is a schematic structural diagram of a use state of a hydraulic tensioning device for a scraper conveyor according to an embodiment of the present invention.
Reference numbers: 10-hydraulic tensioning device for scraper conveyor; 100-a mounting seat; 110 — a first connection; 130-a second connection; 300-a first fastener; 500-a tensioning member; 510-oil cylinder; 530-a hydraulic pump; 700-second fastener.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1 and 2, the mounting base 100 is provided with two first connecting portions 110, the two first connecting portions 110 are correspondingly disposed at two ends of one side of the mounting base 100, the mounting base 100 is located on a center line of the two first connecting portions 110 and is provided with a second connecting portion 130, the two mounting bases 100 are correspondingly disposed, specifically, a distance between the two first connecting portions 110 needs to be set according to a specific model of the scraper conveyor, and a general common model is 40T or 40G.
In a specific embodiment, referring to fig. 1 and fig. 2 again, the mounting base 100 is an isosceles triangle structure, two first connecting portions 110 are respectively disposed at two symmetrical ends of the bottom side of the isosceles triangle, and the second connecting portion 130 is disposed near the vertex angle of the isosceles triangle. This can more stably ensure that the two first connecting portions 110 and the second connecting portion 130 are oppositely applied on the same plane, and at the same time, the material of the mounting base 100 can be more simplified.
The first fastener 300 can connect the first connection 110 with the flight conveyor chain. In a specific embodiment, referring to fig. 1, the first fastening member 300 is configured as a bolt, which facilitates the connection or disconnection of the first connection portion 110 and the chain.
In a specific embodiment, referring to fig. 2, the first connecting portion 110 is configured as a chain ring, the chain ring is welded to the mounting base 100, and when the chain ring is used, the chain ring is connected to the chain through a bolt, specifically, a connecting through hole is formed at an end portion of the chain ring, so that the bolt can pass through the connecting through hole and the chain hole to realize connection. The operation is simple.
The tension member 500 includes an oil cylinder 510 and a hydraulic pump 530, two ends of the oil cylinder 510 are respectively provided with two third connecting portions, and the hydraulic pump 530 is connected to the oil cylinder 510 to control the telescopic movement of the oil cylinder 510.
In a specific embodiment, the hydraulic pump 530 is a pneumatic hydraulic pump 530, which is more suitable for controlling operation under a mine, and is safe, reliable and convenient to carry.
The second fastening member 700 can connect the third connecting portion with the second connecting portion 130, in a specific embodiment, the second connecting portion 130 and the third connecting portion are both provided as through holes, and the second fastening member 700 is a pin, and the pin can pass through the second connecting portion 130 and the third connecting portion, so that the connection between the second connecting portion 130 and the third connecting portion can be more stable.
In a specific embodiment, please refer to fig. 2, the mounting base 100 is formed by welding an upper steel plate and a lower steel plate at intervals, specifically, the edge of the mounting base 100 where the two first connecting portions 110 are disposed may be welded together by a connecting steel plate in parallel at intervals, so that a gap is formed at the position of the second connecting portion 130, at this time, the third connecting portion may extend between the two steel plates, and is connected to the mounting base 100 by the second fastening member 700, so that the connection between the mounting base 100 and the oil cylinder 510 is more balanced and stable. In one embodiment, the thickness of the steel plate is set to 5mm, which makes the mounting base 100 structurally strong and durable.
The hydraulic tensioning device 10 for the scraper conveyor provided by the embodiment of the invention has the following specific working principles: when the scraper conveyor needs to be replaced or connected with a chain, firstly, chain rings on the installation seats 100 at the two ends are fixedly connected with the two ends of a section of chain needing to be replaced or connected through bolts, then the pneumatic hydraulic pump 530 is started to shorten the oil cylinder 510 to realize tensioning of the chain, so that the operation of connecting or replacing the middle section of chain of the scraper conveyor can be carried out, after the connection or replacement is finished, the pneumatic hydraulic pump 530 is started to extend the oil cylinder 510 to realize restoration of the chain, and finally, the bolts for connecting the chain rings and the chain are taken down, so that the operation of connecting or replacing the chain of the scraper conveyor is finished. During construction, the two ends of the device are stably connected with the chain of the scraper conveyor, tensioning and loosening operations are simple, operation safety is greatly improved, practicability is high, coal mine tunneling speed is greatly improved, and outstanding contribution is made to coal mine exploitation.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A hydraulic tension device for a scraper conveyor is characterized by comprising
The mounting seat is provided with two first connecting parts which are correspondingly arranged at two ends of one side of the mounting seat, a second connecting part is arranged on the center line of the two first connecting parts of the mounting seat, and the two mounting seats are correspondingly arranged;
a first fastener capable of connecting the first connection with a scraper conveyor chain;
the tensioning piece comprises an oil cylinder and a hydraulic pump, two third connecting parts are respectively arranged at two ends of the oil cylinder, and the hydraulic pump is connected with the oil cylinder and can control the telescopic motion of the oil cylinder;
a second fastener capable of connecting the third connecting portion with the second connecting portion.
2. The hydraulic tensioning device for the scraper conveyor as claimed in claim 1, wherein the mounting base is of an isosceles triangle structure, the two first connecting portions are respectively disposed at two symmetrical ends of the bottom edge of the isosceles triangle, and the second connecting portion is disposed at a position close to the vertex angle of the isosceles triangle.
3. The hydraulic tensioning device for the scraper conveyor as claimed in claim 1, wherein the mounting seat is formed by welding an upper steel plate and a lower steel plate at intervals, and the third connecting portion can extend between the two steel plates and is connected with the mounting seat through the second fastening member.
4. The hydraulic tensioner as claimed in claim 3, wherein the steel plate has a thickness of 5mm.
5. The hydraulic tensioning device for a scraper conveyor of claim 1, wherein the first connecting portion is a link welded to the mounting block.
6. The hydraulic tensioning device for a scraper conveyor of claim 5, characterized in that the first fastener is a bolt.
7. The hydraulic tensioner as claimed in claim 1, wherein the second connecting portion and the third connecting portion are each provided as a through hole, and the second fastener is a pin that can pass through the second connecting portion and the third connecting portion.
8. The hydraulic tensioner for a scraper conveyor as claimed in claim 1, characterized in that the hydraulic pump is a pneumatic hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211483589.6A CN115744085A (en) | 2022-11-24 | 2022-11-24 | Hydraulic tension device for scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211483589.6A CN115744085A (en) | 2022-11-24 | 2022-11-24 | Hydraulic tension device for scraper conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN115744085A true CN115744085A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211483589.6A Pending CN115744085A (en) | 2022-11-24 | 2022-11-24 | Hydraulic tension device for scraper conveyor |
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| CN (1) | CN115744085A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201761904U (en) * | 2010-09-10 | 2011-03-16 | 山西晋城无烟煤矿业集团有限责任公司 | Scraper conveyor tight chain device |
| CN202245127U (en) * | 2011-10-11 | 2012-05-30 | 河南万合机械有限公司 | Hydraulic chain tightening device |
| GB201212970D0 (en) * | 2011-07-22 | 2012-09-05 | Joy Mm Delaware Inc | Chain tension sensor |
| CN204528394U (en) * | 2015-03-03 | 2015-08-05 | 永城煤电控股集团有限公司 | A kind of scraper conveyor for coal mines chain is pinched and is connect device |
| CN206955067U (en) * | 2017-06-02 | 2018-02-02 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Chain-tensioning device of scraper conveyor |
| CN209442128U (en) * | 2018-03-19 | 2019-09-27 | 邯郸市牛儿庄采矿有限公司 | A kind of coal mine chain hydraulic chain tightener |
| CN209480530U (en) * | 2018-12-27 | 2019-10-11 | 山西晋城无烟煤矿业集团有限责任公司 | Chain-tensioning device of scraper conveyor |
| CN213111142U (en) * | 2020-06-18 | 2021-05-04 | 山西天地王坡煤业有限公司 | Chain tightening device of scraper conveyor |
-
2022
- 2022-11-24 CN CN202211483589.6A patent/CN115744085A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201761904U (en) * | 2010-09-10 | 2011-03-16 | 山西晋城无烟煤矿业集团有限责任公司 | Scraper conveyor tight chain device |
| GB201212970D0 (en) * | 2011-07-22 | 2012-09-05 | Joy Mm Delaware Inc | Chain tension sensor |
| CN202245127U (en) * | 2011-10-11 | 2012-05-30 | 河南万合机械有限公司 | Hydraulic chain tightening device |
| CN204528394U (en) * | 2015-03-03 | 2015-08-05 | 永城煤电控股集团有限公司 | A kind of scraper conveyor for coal mines chain is pinched and is connect device |
| CN206955067U (en) * | 2017-06-02 | 2018-02-02 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Chain-tensioning device of scraper conveyor |
| CN209442128U (en) * | 2018-03-19 | 2019-09-27 | 邯郸市牛儿庄采矿有限公司 | A kind of coal mine chain hydraulic chain tightener |
| CN209480530U (en) * | 2018-12-27 | 2019-10-11 | 山西晋城无烟煤矿业集团有限责任公司 | Chain-tensioning device of scraper conveyor |
| CN213111142U (en) * | 2020-06-18 | 2021-05-04 | 山西天地王坡煤业有限公司 | Chain tightening device of scraper conveyor |
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