CN220448787U - Chain clamping device for chain extension of scraper conveyor - Google Patents
Chain clamping device for chain extension of scraper conveyor Download PDFInfo
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- CN220448787U CN220448787U CN202321764305.0U CN202321764305U CN220448787U CN 220448787 U CN220448787 U CN 220448787U CN 202321764305 U CN202321764305 U CN 202321764305U CN 220448787 U CN220448787 U CN 220448787U
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- 238000003825 pressing Methods 0.000 claims abstract description 37
- 230000007704 transition Effects 0.000 claims abstract description 30
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a chain clamping device for chain extension of scraper conveyor chain, chain clamping device is used for two chains of fixed scraper conveyor, chain clamping device sets up in the transition inslot of scraper conveyor, and cooperate with two chain pressing blocks that are located transition inslot both sides inner wall, chain clamping device includes the connecting piece and two chain clamping devices, through set up chain clamping device at the both ends of connecting piece, chain clamping device has connecting portion and joint portion, through setting firmly connecting portion on the chain, joint portion and chain pressing block looks joint, thereby two chains of fixed parallel fixed scraper conveyor, the slope carries out chain extension operation time, avoid flying chain injury people, do benefit to chain extension, when chain extension operation is carried out to the chain clamping safety device that uses scraper conveyor chain extension, only need alone the side to operate, avoided many people to operate the improper and signal unclear emergence incident.
Description
Technical Field
The application belongs to chain extension apparatus technical field, especially relates to a chain clamping device for chain extension of scraper conveyor.
Background
The scraper chain is used for traction, and the conveyor for conveying bulk materials in the trough is called a scraper conveyor, and in the current coal mining working face, the scraper conveyor has the functions of conveying coal and materials and also is an operation track of the coal mining machine, so that the scraper conveyor becomes an indispensable main device in the modern coal mining process. The scraper conveyor can keep continuous operation, so that production can be normally carried out, otherwise, the whole coal face can be in a production stopping state, and the whole production is interrupted.
At present, a chain for extending and connecting a scraper conveyor in a coal mine mainly adopts a chain block to fix two scrapers at a certain distance, so that the chain is in a loose state, a bolt is detached to extend and connect a new chain, the chain is tensioned and fixed back and forth by using the chain block after the new chain is connected, the new chain is well butted, and the scraper conveyor can normally run.
When the slope is used for carrying out the operation of extending the chain of the scraper, the upper chain and the lower chain of the scraper are loosened to slide downwards easily, so that the flying chain hurts people.
Disclosure of Invention
The embodiment of the application provides a chain clamping device for chain extension of a scraper conveyor chain, the chain clamping device is matched with two chain pressing blocks positioned on two side inner walls of a transition groove, the chain is connected through a connecting part, and a clamping part is clamped with the chain pressing blocks, so that two chains of the scraper conveyor are fixed in parallel, flying chains are prevented from hurting people, the chain extension is facilitated, the chain fixing device for chain extension is solved, and when a slope works, the chain is easy to slide down, so that the problem of flying chain hurting people accident is solved.
The embodiment of the application provides a chain clamping device for chain extension of a scraper conveyor, which is used for fixing two chains of the scraper conveyor, and the chain clamping device is arranged in a transition groove of the scraper conveyor and is matched with two chain pressing blocks positioned on the inner walls of two sides of the transition groove, and comprises a connecting piece and two chain clamping devices;
the connecting piece is arranged in the transition groove, the length direction of the connecting piece is perpendicular to the extending direction of the transition groove, the two chain clamping devices are respectively connected with the two ends of the connecting piece in the length direction, and the two chain clamping devices are respectively connected with the two chains and are respectively clamped with the two chain pressing blocks;
the chain clamping device is provided with a connecting part and a clamping part, the connecting part and the clamping part are of an integrated structure, the connecting part is fixedly arranged on the chain, the clamping part is provided with a clamping surface, and the clamping surface of the clamping part is clamped with the side wall of the chain pressing block.
In one possible implementation, the connection is an adjustable connection, the length of which is adjustable.
In one possible implementation, the connection piece includes a column, two sliders, and two connection columns;
the cylinder is located between two chains, the inside of cylinder is equipped with the cavity, cylinder length direction's both ends all be equipped with the logical groove that the cavity is linked together, two the slider all set up in the cavity, the outer wall of slider with the inner wall sliding connection of cavity, two the spliced pole respectively with two logical grooves of cylinder peg graft mutually, two the inner of spliced pole respectively with two the slider is connected, two the outer end of spliced pole respectively with two the chain ware is connected.
In a possible implementation manner, a plurality of balls are embedded on the outer wall of the sliding block, and the outer walls of the balls are slidably connected with the inner wall of the cavity.
In one possible implementation manner, the clamping part is provided with a connecting surface opposite to the clamping surface, and a screw hole is formed in the connecting surface;
the outer wall of the connecting column is attached to the connecting surface, a through hole corresponding to the screw hole is formed in the outer end of the connecting column, and a screw rod penetrates through the through hole and is in threaded connection with the screw hole, so that the connecting column is fixedly connected with the clamping portion.
In a possible implementation manner, the connecting part is a square plate body, the lower surface of the connecting part is attached to the upper surface of the chain, and the clamping part is positioned on the connecting part;
the connecting part is provided with a plurality of top holes corresponding to the chain, and bolts penetrate through the top holes and the chain so that the connecting part is fixedly arranged on the chain.
In a possible implementation manner, the connecting part is an L-shaped plate body, the outer wall of the connecting part is attached to the upper surface and the side surface of the chain, and the clamping part is positioned on the connecting part;
the chain is formed by sequentially connecting a plurality of chain links through bolts, lateral holes corresponding to the bolts are formed in the connecting portions, and the bolts penetrate through the lateral holes so that the connecting portions are fixedly arranged on the chain.
The embodiment of the application provides a chain clamping device for chain extension of scraper conveyor chain, chain clamping device sets up in the transition inslot of scraper conveyor to cooperate with two chain blocks that press that are located transition inslot both sides inner wall, through setting up chain clamping device at the both ends of connecting piece, chain clamping device has connecting portion and joint portion, through setting firmly connecting portion on the chain, joint portion and chain block looks joint of pressing, thereby two chains of fixed parallel fixed scraper conveyor are carried out chain extension operation on the slope, avoid flying chain injury people, do benefit to chain extension.
Drawings
FIG. 1 is a schematic diagram of a chain clamping device for chain extension of a scraper conveyor provided by the application;
FIG. 2 is a cross-sectional view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic diagram of the chain clamp of FIG. 2;
FIG. 4 is a schematic view of the structure of the connector of FIG. 2;
FIG. 5 is a schematic view of the connecting portion and its connecting structure in the first embodiment;
FIG. 6 is a schematic illustration of the present card chain device in place;
FIG. 7 is a schematic diagram of the present chain clamping device clamped with a chain pressing block;
FIG. 8 is a side cross-sectional view of the present card chain device in use;
fig. 9 is a schematic view of a connecting portion and a connecting structure thereof in the second embodiment.
Reference numerals illustrate:
100-connecting piece; 200-a chain clip;
110-column; 120-sliding blocks; 130-connecting columns; 210-a connection; 220-clamping part;
111-cavity; 112-through slots; 121-balls; 131-through holes; 211-top hole; 212-side holes; 221-a clamping surface; 222-connection surface; 223-screw hole.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
The side double-chain scraper conveyor is generally composed of a machine head, a transition groove, a chain pressing block, a chute, two chains, a scraper and other parts, wherein the transition groove is obliquely arranged, the chain pressing block is divided into a left chain pressing block and a right chain pressing block, the left chain pressing block and the right chain pressing block are respectively arranged on the left inner wall and the right inner wall of the transition groove, when the chain rotates, the chain pressing block is positioned at the upper end of the chain, the chain pressing block plays a role in preventing abnormal jump of the chain when the scraper is in normal operation, and the chain pressing block is a wearing part and needs to be replaced regularly according to the use condition so as to ensure the normal use of the machine.
At present, a chain for extending and connecting a scraper conveyor in a coal mine mainly adopts a chain block to fix two scrapers at a certain distance, so that the chain is in a loose state, a bolt is detached to extend and connect a new chain, the chain is tensioned and fixed back and forth by using the chain block after the new chain is connected, the new chain is well butted, and the scraper conveyor can normally run.
The above chain fixing method has the following problems:
firstly, when the chain operation of the scraper is carried out on a slope in a extending way, the upper chain and the lower chain of the scraper are loosened to slide downwards easily, so that the accident of people injury of the fly chain is caused.
Secondly, when the chain block is used for stretching the scraper chain, the hook of the chain block is easy to slip, and the left chain and the right chain are not parallel, so that the chain extension is difficult;
thirdly, the extension scraper chain needs to be matched and operated by a plurality of people, and safety accidents are easy to be caused when the matching is improper or signals are unclear.
The utility model provides a chain clamping device for chain extension of scraper conveyor chain, chain clamping device cooperatees with two chain pressing blocks that are located transition groove both sides inner wall, connect the chain through connecting portion 210, joint portion 220 and chain pressing block looks joint to two chains of parallel fixation scraper conveyor avoid flying chain injury people, and two parallel fixation's chains do benefit to chain extension, and when chain clamping safety device that chain extension was carried out to the chain extension operation of scraper conveyor chain, only need alone side operable, avoided many people to operate mismatching and signal are unclear to take place the incident.
The following describes in detail the specific structure of the chain clamping device for chain extension of the scraper conveyor provided by the application with reference to the accompanying drawings.
Embodiment one:
referring to fig. 1-3, the embodiment of the application provides a chain clamping device for chain extension of a scraper conveyor, wherein the chain clamping device is used for fixing two chains of the scraper conveyor, the chain clamping device is arranged in a transition groove of the scraper conveyor and is matched with two chain pressing blocks positioned on two inner walls of two sides of the transition groove, the chain clamping device comprises a connecting piece 100 and two chain clamping devices 200, and the two chain clamping devices 200 are respectively arranged at two ends of the connecting piece 100;
in the transition groove, two chains are arranged in parallel along the extending direction of the transition groove, two chain pressing blocks are oppositely arranged on the inner wall of the transition groove, the connecting piece 100 can be a connecting rod or a connecting column, the connecting piece 100 is arranged in the transition groove and is positioned at the upper parts of the two chains, the length direction of the connecting piece 100 is perpendicular to the extending direction of the transition groove, two chain clamping devices 200 are respectively connected with two ends of the connecting piece 100 in the length direction, and the two chain clamping devices 200 are respectively connected with the two chains and are respectively clamped with the two chain pressing blocks, so that the two chains are ensured to be fixed in parallel, and chain extension operation is facilitated;
the chain clamping device 200 has a connecting portion 210 and a clamping portion 220, the connecting portion 210 and the clamping portion 220 are in an integrated structure, the connecting portion 210 is fixedly arranged on the chain, the clamping portion 220 is located at the upper portion of the connecting portion 210, the height of the clamping portion 220 is larger than the gap between the chain pressing block and the chain, the clamping portion 220 is provided with a clamping face 221, and the clamping face 221 of the clamping portion 220 is clamped with the side wall of the chain pressing block, so that the two chains are fixed in parallel.
The embodiment of the application provides a chain clamping device for chain extension of scraper conveyor chain, chain clamping device sets up in the transition inslot of scraper conveyor to cooperate with two chain pressing blocks that are located transition inslot both sides inner wall, through setting up chain clamping device 200 at the both ends of connecting piece 100, chain clamping device 200 has connecting portion 210 and joint portion 220, through setting firmly connecting portion 210 on the chain, joint portion 220 links firmly with chain pressing blocks mutually the joint, thereby two chains of fixed parallel fixed scraper conveyor are fixed, when the slope carries out chain extension operation, avoid flying chain injury people, do benefit to chain extension.
Referring to fig. 2 and 4, in some embodiments, the link 100 is an adjustable link that is adjustable in length to utilize a scraper conveyor that is applied to different chain pitches.
In some embodiments, the connecting piece 100 includes a column 110, two sliders 120, and two connecting columns 130, the two sliders 120 are located in the column 110, inner ends of the two connecting columns 130 are respectively connected with the two sliders 120, and outer ends of the two connecting columns 130 are respectively connected with the two chain stoppers 200;
the column 110 may be a square column, the column 110 is located between two chains, the length direction of the column 110 is perpendicular to the extending direction of the chains, the cavity 111 may be a square cavity, the length direction of the cavity is perpendicular to the chains, both ends of the column 110 in the length direction are respectively provided with a through groove 112 communicated with the cavity 111, the through groove 112 may be a square groove, the sliding block 120 is matched with the cavity 111, the two sliding blocks 120 are respectively arranged in the cavity 111, the outer wall of the sliding block 120 is slidably connected with the inner wall of the cavity 111, the side profile of the sliding block 120 is larger than the cross section profile of the through groove 112, so that the sliding block 120 cannot be separated from the cavity 111, the connecting column 130 may be a rectangular main body and is matched with the through groove 112, the two connecting columns 130 are respectively spliced with the two through grooves 112 of the column 110, the inner ends of the two connecting columns 130 are respectively connected with the two sliding blocks 120, the outer ends of the two connecting columns 130 are respectively connected with the two chain clamping devices 200, the spacing between the two chain clamping devices 200 can be adjusted within a certain range through the design of the connecting piece 100, and the spacing between the two chain clamping devices 200 can be matched with different chain scraper blades.
As shown in fig. 2 and 4, in some embodiments, the outer wall of the sliding block 120 is embedded with a plurality of balls 121, and the balls 121 are all slidably connected with the inner wall of the cavity 111 around the upper surface, the lower surface, the front surface and the rear surface of the sliding block 120, so as to reduce friction damping between the sliding block 120 and the cavity 111, and facilitate adjustment of the distance between the two chain stoppers 200.
Referring to fig. 2-3, in some embodiments, the clamping portion 220 has a connecting surface 222 opposite to the clamping surface 221, where the connecting surface 222 may be a plane or a concave surface matching the connecting post 130, and a screw hole 223 is formed on the connecting surface 222;
the outer wall of the connecting column 130 is attached to the connecting surface 222, a through hole 131 corresponding to the screw hole 223 is formed in the outer end of the connecting column 130, and a screw rod penetrates through the through hole 131 and is in threaded connection with the screw hole 223, so that the connecting column 130 is fixedly connected with the clamping part 220, and the connecting column 130 and the clamping part 220 are fixedly connected through the screw rod, so that the connecting piece 100 and the chain clamping device 200 can be conveniently installed and detached.
Referring to fig. 5, fig. 5 a shows a certain link of a chain, in some embodiments, the connecting portion 210 is a square plate body, the clamping portion 220 is located on the connecting portion 210, and when the connecting portion 210 is fixed, the lower surface of the connecting portion 210 is attached to the upper surface of the chain;
the connecting part 210 is provided with a plurality of top holes 211 corresponding to the chain, the bolts penetrate through the top holes 211 and the chain, the end parts of the bolts are clamped with the lower surfaces of chain links of the chain, nuts of the bolts are clamped with the lower surfaces of the connecting part 210, so that the connecting part 210 is fixedly arranged on the chain, and the screw rods of the bolts are clamped with the connecting shafts of the chain, thereby ensuring the relative positions of the connecting part 210 and the chain links of the chain, and ensuring the parallel relative fixation of the two chains.
By above-mentioned technical characteristics record, the utility model provides a chain device is blocked with chain to scraper conveyor chain extension is the theory of operation in the practical application scene does:
referring to fig. 6-8, a is a chain, B is a chain pressing block, C is a transition groove, D is a scraper, the transition groove C is inclined relative to a horizontal plane, two chain pressing blocks B are respectively located at two sides of the transition groove C and are located at the upper parts of two chains a, when a chute of a scraper conveyor needs to be connected, a chain block is firstly used for fixing two scrapers D at a certain distance, so that the chains a are in a loose state, the distance between two chain clamping devices 200 is adjusted, the chain clamping device is placed in the transition groove C, a connecting piece 100 is perpendicular to the chains a, any one chain clamping device 200 is fixedly arranged on a chain link of the chains a, the chain link is located at the upper part of the chain pressing block B and is close to the chain pressing block B, the other chain clamping device 200 is fixedly arranged on the opposite chain link of the other chains a, when original nuts on the chains a are required to be connected, the two chain clamping devices 200 are respectively clamped with the two chain pressing blocks B, the two chain clamping devices a are fixed, personnel can start to connect new chain clamping devices to the scrapers, and the chain scraping devices can be connected to the chain scraping devices after the new chain clamping devices are connected, and the chain scraping connectors are normally run.
Embodiment two:
the second embodiment differs from the first embodiment in that:
referring to fig. 9, a is a chain, E is an original bolt on the chain a, the connecting portion 210 is an L-shaped plate body, and includes a horizontal portion and a vertical portion, the clamping portion 220 is located on the horizontal portion of the connecting portion 210, the outer walls of the horizontal portion and the vertical portion of the connecting portion 210 are respectively attached to the upper surface and the side surface of the chain, and a side portion hole 212 corresponding to the original bolt E is formed in the vertical portion of the connecting portion 210;
when the chain clamping device is fixed, two scrapers are fixed at a certain distance by using a chain block, so that a chain A is in a loose state, a nut for detaching a certain original bolt E in the chain A is loosened, the original bolt E is positioned at the upper part of a chain pressing block and is close to the chain pressing block, a side hole 212 of a connecting part 210 is sleeved with a screw rod of the original bolt E, then the nut of the original bolt E is screwed again, the connecting part 210 and the chain A can be fixed, the chain clamping device 200 is fixed on the chain A, the other chain clamping device 200 is fixed at the opposite position of the other chain A in the same way, then an overhauler unloads any bolt at the upper part of the original bolt E, the chain A is disconnected, a new scraper chain and a scraper groove can be started to be connected, a chain joint is fixed after the extension is completed, the chain clamping device is removed, and the scraper machine normally operates.
It is to be understood that, based on the several embodiments provided in the present application, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments, where none of the embodiments exceed the protection scope of the present application.
The foregoing detailed description of the embodiments of the present application has further described the objects, technical solutions and advantageous effects thereof, and it should be understood that the foregoing is merely a specific implementation of the embodiments of the present application, and is not intended to limit the scope of the embodiments of the present application, and any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the scope of the embodiments of the present application.
Claims (7)
1. Chain clamping device for chain extension of scraper conveyor chain is used for fixing two chains of scraper conveyor, and chain clamping device sets up in the transition groove of scraper conveyor to cooperate with two chain pressing blocks that are located transition groove both sides inner wall, its characterized in that: the chain clamping device comprises:
the connecting piece (100), the connecting piece (100) is arranged in the transition groove, and the length direction of the connecting piece (100) is perpendicular to the extending direction of the transition groove;
the two chain clamping devices (200), the two chain clamping devices (200) are respectively connected with two ends of the connecting piece (100) in the length direction, and the two chain clamping devices (200) are respectively connected with the two chains and are respectively clamped with the two chain pressing blocks;
the chain clamping device (200) is provided with a connecting part (210) and a clamping part (220), the connecting part (210) and the clamping part (220) are of an integrated structure, the connecting part (210) is fixedly arranged on a chain, the clamping part (220) is provided with a clamping surface (221), and the clamping surface (221) of the clamping part (220) is clamped with the side wall of the chain pressing block.
2. The chain clamping device for chain extension of scraper conveyor according to claim 1, wherein:
the connecting piece (100) is an adjustable connecting piece, and the length of the adjustable connecting piece is adjustable.
3. The chain clamping device for chain extension of scraper conveyor according to claim 2, wherein: the connector (100) comprises:
the chain conveyor comprises a column body (110), wherein the column body (110) is positioned between two chains, a cavity (111) is arranged in the column body (110), and through grooves (112) communicated with the cavity (111) are formed in two ends of the column body (110) in the length direction;
the two sliding blocks (120) are arranged in the cavity (111), and the outer wall of the sliding block (120) is in sliding connection with the inner wall of the cavity (111);
the two connecting columns (130), the two connecting columns (130) are respectively connected with the two through grooves (112) of the column body (110) in an inserting mode, the inner ends of the two connecting columns (130) are respectively connected with the two sliding blocks (120), and the outer ends of the two connecting columns (130) are respectively connected with the two chain clamping devices (200).
4. A chain clamping device for chain extension of a scraper conveyor according to claim 3, characterized in that:
the outer wall of the sliding block (120) is inlaid with a plurality of balls (121), and the outer walls of the balls (121) are slidably connected with the inner wall of the cavity (111).
5. A chain clamping device for chain extension of a scraper conveyor according to claim 3, characterized in that:
the clamping part (220) is provided with a connecting surface (222) opposite to the clamping surface (221), and a screw hole (223) is formed in the connecting surface (222);
the outer wall of the connecting column (130) is attached to the connecting surface (222), a through hole (131) corresponding to the screw hole (223) is formed in the outer end of the connecting column (130), and a screw rod penetrates through the through hole (131) and is in threaded connection with the screw hole (223), so that the connecting column (130) is fixedly connected with the clamping portion (220).
6. The chain clamping device for chain extension of scraper conveyor according to claim 1, wherein:
the connecting part (210) is a square plate body, the lower surface of the connecting part (210) is attached to the upper surface of the chain, and the clamping part (220) is positioned on the connecting part (210);
the connecting part (210) is provided with a plurality of top holes (211) corresponding to the chain, and bolts penetrate through the top holes (211) and the chain so that the connecting part (210) is fixedly arranged on the chain.
7. The chain clamping device for chain extension of scraper conveyor according to claim 1, wherein:
the connecting part (210) is an L-shaped plate body, the outer wall of the connecting part (210) is attached to the upper surface and the side surface of the chain, and the clamping part (220) is positioned on the connecting part (210);
the chain is formed by sequentially connecting a plurality of chain links through bolts, side holes (212) corresponding to the bolts are formed in the connecting portions (210), and the bolts penetrate through the side holes (212) so that the connecting portions (210) are fixedly arranged on the chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321764305.0U CN220448787U (en) | 2023-07-06 | 2023-07-06 | Chain clamping device for chain extension of scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321764305.0U CN220448787U (en) | 2023-07-06 | 2023-07-06 | Chain clamping device for chain extension of scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220448787U true CN220448787U (en) | 2024-02-06 |
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ID=89736354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321764305.0U Active CN220448787U (en) | 2023-07-06 | 2023-07-06 | Chain clamping device for chain extension of scraper conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220448787U (en) |
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2023
- 2023-07-06 CN CN202321764305.0U patent/CN220448787U/en active Active
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