CN220599841U - Front protection device - Google Patents
Front protection device Download PDFInfo
- Publication number
- CN220599841U CN220599841U CN202321880673.1U CN202321880673U CN220599841U CN 220599841 U CN220599841 U CN 220599841U CN 202321880673 U CN202321880673 U CN 202321880673U CN 220599841 U CN220599841 U CN 220599841U
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- Prior art keywords
- protection net
- frame
- net
- side edge
- hydraulic support
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- 239000003245 coal Substances 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000005065 mining Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 24
- 239000004744 fabric Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 208000027418 Wounds and injury Diseases 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 7
- 208000014674 injury Diseases 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The application provides a protection device before frame is applied to coal mining device, and coal mining device includes: the scraper conveyor, the hydraulic support main part of being connected with the scraper conveyor, the cable duct of being connected with the scraper conveyor includes: the front protection net is connected with the hydraulic support body through a fixed steel wire rope on one side and connected with the cable slot on the other side; the two adjacent sides of the front protection net are provided with short-side edge-folding lap joint structures, and the two sides of the front protection net opposite to the short-side edge-folding lap joint structures are provided with long-side edge-folding lap joint structures, so that the problem that when gangue falls into the flexible protection net, the flexible protection net is torn to enter a space to cause injury of workers due to low breaking strength of the flexible protection net adopted in the prior front protection device is solved; the telescopic rigid protection net is difficult to fix in front of the frame and has insufficient elasticity, and when the hydraulic support is lifted, the problem that the rigid protection net is bounced up to hurt people due to the fact that the hydraulic support is not firmly fixed exists, and even the rigid protection net is directly pulled apart is solved.
Description
Technical Field
The application relates to the technical field of protection devices, in particular to a protection device before a frame.
Background
When the working face with a large inclination angle is mined, protective measures for preventing coal and gangue from being discharged from the scraper conveyor are required, so that injury to workers is prevented. If the protective measures are not properly taken, the accident of hurting people cannot be effectively prevented, but if the mine is excessively protected, the production cost of the mine is increased, and the working face with a large inclination angle sometimes has to be abandoned for exploitation due to insufficient protective measures, so that the occurrence of potential safety hazards is avoided, and the resource waste is serious.
Aiming at the exploitation of a large-dip-angle working face, a flexible protective net is adopted at present to prevent coal and gangue from being shifted out of a scraper conveyor, or a telescopic rigid protective net is adopted, so that the dropped coal and gangue fall into the protective net, and the occurrence of potential safety hazards is avoided.
However, in the practical application process, the breaking strength of the flexible protective net is not high, so that when the gangue falls into the flexible protective net, the flexible net is torn and is led into a space to cause injury of staff. Although the telescopic rigid protection net adopts a net structure formed by connecting steel wires, the telescopic rigid protection net is difficult to fix before the frame and has insufficient elasticity, when the hydraulic support is lifted, the phenomenon that the rigid protection net is sprung up to hurt people due to the unstable fixation exists, and even the phenomenon that the rigid protection net is directly pulled apart can occur.
Disclosure of Invention
The embodiment of the application provides a protection device before a frame, which aims to solve the problem that the flexible protection net adopted in the existing protection device before the frame is low in breaking strength, so that when gangue falls into the flexible protection net, the flexible net is torn and fleed between frames to cause injury to workers; although the telescopic rigid protection net adopts a net structure formed by connecting steel wires, the telescopic rigid protection net is difficult to fix before the frame and has insufficient elasticity, when the hydraulic support is lifted, the phenomenon that the rigid protection net is sprung up to hurt people due to the unfirm fixation exists, and even the technical problem that the rigid protection net is directly pulled apart can occur.
The application provides a protection device before frame is applied to coal mining device, the coal mining device includes: the scraper conveyor, with the hydraulic support main part that scraper conveyor is connected, with the hydraulic support that hydraulic support main part rotated and is connected, with the cable duct that scraper conveyor is connected includes:
the front protection net is connected with the hydraulic support main body through a fixed steel wire rope on one side and connected with the cable slot on the other side;
the two adjacent sides of the protection net before the frame are arranged to be short-side edge folding and overlapping structures, and the two sides of the protection net before the frame are arranged to be long-side edge folding and overlapping structures relative to the short-side edge folding and overlapping structures.
In some embodiments, the front rack guard further comprises:
one end of the clamping device is clamped with one side of the frame front protective net, which is provided with a short side edge folding and overlapping structure, and the other end of the clamping device is clamped with the fixed steel wire rope; or one end is clamped with one side of the frame front protective net, which is provided with the long-side edge-folding lap joint structure, and the other end is clamped with the cable groove.
In some embodiments, the snap means comprises:
a connecting rope;
two connecting buckles respectively connected with two ends of the connecting rope;
the connecting buckle includes:
the connecting seat is connected with the end part of the connecting rope;
the first rod body is connected with the connecting seat;
the second rod body is rotationally connected with the connecting seat;
the second rod body is provided with a clamping groove matched with the first rod body, and the second rod body is clamped with the first rod body through the clamping groove to form a closed structure.
In some embodiments, the connection mount is rotatably connected to the connection cord.
In some embodiments, the connecting cord is provided with a retractable device.
In some embodiments, the front rack guard further comprises:
the dustproof cloth is detachably connected with the front protection net and is arranged on one side close to the hydraulic support.
In some embodiments, the front rack guard further comprises:
the storage rack is connected with the front protection net and arranged at two sides of the front protection net; the length of the storage rack is smaller than that of the protection net in front of the rack.
In some embodiments, the front rack guard further comprises:
one end of the connecting device is connected with one side of the frame front protective net provided with the short side edge folding and overlapping structure, and the other end of the connecting device is connected with one side of the frame front protective net provided with the long side edge folding and overlapping structure;
wherein, a plurality of the protection nets in front of the frame are connected through the connecting device.
In some embodiments, the connection means is an S-shaped structure.
The embodiment of the application provides a protection device before frame is applied to coal mining device, the coal mining device includes: the scraper conveyor, with the hydraulic support main part that scraper conveyor is connected, with the hydraulic support that hydraulic support main part rotated and is connected, with the cable duct that scraper conveyor is connected includes: the front frame protection net is connected with the scraper conveyor through a fixed steel wire rope on one side and connected with the cable trough on the other side; the two adjacent sides of the front protection net are provided with short-side edge-folding lap joint structures, and the two sides of the front protection net corresponding to the short-side edge-folding lap joint structures are provided with long-side edge-folding lap joint structures, so that the problem that when gangue falls into the flexible protection net, the flexible protection net is torn to enter a space to cause injury of staff due to low breaking strength of the flexible protection net adopted in the prior front protection device is solved; although the telescopic rigid protection net adopts a net structure formed by connecting steel wires, the telescopic rigid protection net is difficult to fix before the frame and has insufficient elasticity, when the hydraulic support is lifted, the phenomenon that the rigid protection net is sprung up to hurt people due to the unfirm fixation exists, and even the problem that the rigid protection net is directly pulled apart can occur.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of the connection of a front frame guard to a coal mining device of the present application;
FIG. 2 is a schematic structural view of a protection net in front of a frame in the present application;
FIG. 3 is a schematic structural view of the fastening device of the present application;
fig. 4 is a schematic structural view of the connecting device in the present application.
Reference numerals illustrate:
1-a coal mining device; 11-a scraper conveyor; 12-a hydraulic mount body; 13-a hydraulic bracket; 14-a cable trough; 2-a protection net in front of the frame; 21-fixing the steel wire rope; 22-a short edge folding and overlapping structure; 23-a long-side edge-folding lap joint structure; 3-a snap-fit device; 31-connecting ropes; 311-telescoping device; 32-connecting buckle; 321-connecting seats; 322-a first stick body; 323-a second rod body; 4-dustproof cloth; 5-a storage rack; 6-connecting means.
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.
Because in some technologies, the breaking strength of the flexible protective net adopted in the front frame protective device is not high, when gangue falls into the flexible protective net, the flexible net is torn and is scurried into a frame to cause injury to staff; although the telescopic rigid protection net adopts a net structure formed by connecting steel wires, the telescopic rigid protection net is difficult to fix before the frame and has insufficient elasticity, when the hydraulic support lifts, the phenomenon that the rigid protection net is bounced up to hurt people due to the fact that the fixing is not firm occurs, and even the rigid protection net is directly pulled apart, in order to solve the technical problem, the application provides a protection device before the frame, and the following description is provided for each part of the structure of the protection device before the frame:
as can be seen from fig. 1 and 2, the present application provides a pre-rack guard device, which is applied to a coal mining device 1, wherein the coal mining device 1 comprises: a scraper conveyor 11, a hydraulic support main body 12 connected to the scraper conveyor 11, a hydraulic support 13 rotatably connected to the hydraulic support main body 12, and a cable trough 14 connected to the scraper conveyor 11, the scraper conveyor comprising: the front frame protection net 2, one side of the front frame protection net 2 is connected with the hydraulic support main body 12 through a fixed steel wire rope 21, and the other side is connected with the cable groove 14; the protection net 2 in front of the frame is woven by galvanized steel wire ropes, has a strong rust-proof effect, and is not easy to rust when being used in the pit; wherein, the adjacent two sides of the protection network 2 before the frame are provided with short side edge folding lap joint structures 22, and the two sides of the protection network 2 before the frame corresponding to the short side edge folding lap joint structures are provided with long side edge folding lap joint structures 23. When the front protection net 2 is woven, the cross needle method is adopted to weave alternately, so that the weaving is prevented from being performed in a proper direction, the impact force caused by coal gangue can be better borne, and the front protection net 2 is prevented from being damaged. After the weaving is completed, a steel wire rope 21 is pulled and hung right above the support top beam cable tray 14 of the working face, and the upper edge and the lower edge of the protection net 2 in front of the support are respectively connected with the steel wire rope 21 and the cable tray 14 which are hung at the support top beam. The lap joint of the front frame protection net 2 is reliably connected, and the front frame protection net 2 is overtightened in a horizontal direction, so that a margin is reserved for frame moving operation; during the stoping operation, the coal gangue flying out of the scraper conveyor 11 is blocked by the protection net 2 in front of the frame and cannot enter the frame to cause safety threat to operators between frames.
According to the method, the galvanized steel wire rope is used for weaving the front protection net 2, so that the front protection net 2 has larger toughness, and the impact force from coal gangue can be better borne without damage; and one side of the protection net 2 before the frame is provided with a long-side edge-folding lap joint structure 23, so that when the hydraulic support main body 12 moves in the vertical direction through the hydraulic support 13, a certain margin exists because one side of the protection net 2 before the frame is provided with the long-side edge-folding lap joint structure 23, thereby preventing the protection net 2 before the frame from falling off from the connecting part and bouncing up to hurt people, and even directly tearing the protection net 2 before the frame.
As can be seen from fig. 3, the front protection device further includes: the buckling device 3 is clamped with one side, provided with a short side edge folding and overlapping structure 22, of the front frame protection net 2 at one end, and clamped with the fixed steel wire rope 21 at the other end; or one end is clamped with one side of the frame front protective net 2, which is provided with the long-side edge-folding lap joint structure 23, and the other end is clamped with the cable groove 14. The buckle device 3 comprises: a connecting rope 31; two connecting buckles 32 respectively connected with two ends of the connecting rope 31; the connecting buckle 32 includes: a connection base 321, wherein the connection base 321 is connected with the end part of the connection rope 31; the first rod body 322, the first rod body 322 is connected with the connecting seat 321; the second rod body 323, the second rod body 323 is rotatably connected with the connecting seat 321; the second rod body 323 is provided with a clamping groove matched with the first rod body 322, and the second rod body 323 is clamped with the first rod body 322 through the clamping groove to form a closed structure. The buckling device 3 is used for clamping the protection network 2 in front of the frame to the fixed steel wire rope 21 and the cable slot 14; the front protection net 2 can be clamped or detached to the fixed steel wire rope 21 and the cable groove 14 more quickly through the clamping device 3, so that the installation efficiency is improved, and the installation difficulty is reduced.
In this embodiment, the connection base 321 is rotatably connected to the connection string 31. Through connecting seat 321 with connecting rope 31 rotates to be connected, can adjust connect buckle 32's place angle, thereby can be nimble with protection network 2 joint before the frame fixed wire rope 21 with on the cable duct 14, avoid because of connect buckle 32 with fixed wire rope 21 with the cable duct 14 is not in the same side leads to protection network 2 can't install before the frame.
In this embodiment, the connection rope 31 is provided with a telescopic device 311, and the length of the connection rope 31 can be adjusted by the telescopic device 311, so that the length of the protection net 2 in the vertical direction before the frame can be adjusted, and then any type of scraper conveyor can be satisfied, and the protection net 2 before the frame is installed on the fixed steel wire rope 21 and the cable trough 14 by adjusting the length of the telescopic device 311.
As can be seen from fig. 2, the front protection device further includes: the dustproof cloth 4 is detachably connected with the front protection net 2 and is arranged on one side close to the hydraulic support 13. It will be appreciated that when the gangue falls into the protection network 2 before the frame, dust is caused to fly into the working area of the worker, in order to make the worker work better, the influence caused by the dust is prevented, the protection network 2 before the frame is close to one side of the hydraulic support 13, that is, the worker works, and the dust-proof cloth 4 is arranged, so that the influence of the dust on the worker caused by the gangue falling into the protection network 2 before the frame is prevented.
As can be seen from fig. 1 and 2, the protection device before the rack further comprises: the storage rack 5 is connected with the front rack protective net 2 and is arranged at two sides of the front rack protective net 2; wherein, the length of the storage rack 5 is smaller than the length of the protection net 2 in front of the rack. The storage rack 5 plays a supporting role on the one hand for the protection network 2 before the rack, on the other hand when the protection network 2 before the rack is stored, the protection network 2 before the rack can be wound around the storage rack 5 in the outer side of the storage rack 5 through the storage rack 5, so that the protection network 2 before the rack can be quickly stored, in addition, the protection network 2 before the rack can not be knotted or messy during the placing process, and the protection network can be opened only around the storage rack 5 during the use.
As can be seen from fig. 4, the front protection device further includes: one end of the connecting device 6 is connected with one side of the frame front protective screen 2 provided with the short side edge folding and overlapping structure 22, and the other end of the connecting device 6 is connected with one side of the frame front protective screen 2 provided with the long side edge folding and overlapping structure 23; the connecting device 6 is of an S-shaped structure; wherein a plurality of the front frame protection nets 2 are connected by the connection means 6. The connecting device 6 can connect the protection nets 2 in front of the frame in the horizontal direction or the vertical direction, so that the length of the protection nets 2 in front of the frame in the horizontal direction or the vertical direction is increased, and the coal mining device 1 with any model and size can be met.
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 (9)
1. A pre-rack guard device for use in a coal mining device (1), the coal mining device (1) comprising: scraper conveyor (11), with hydraulic support main part (12) that scraper conveyor (11) are connected, with hydraulic support (13) that hydraulic support main part (12) rotate and connect, with cable drum (14) that scraper conveyor (11) are connected, characterized in that includes:
the front protection net (2) is arranged, one side of the front protection net (2) is connected with the hydraulic support main body (12) through a fixed steel wire rope (21), and the other side of the front protection net is connected with the cable groove (14);
the two adjacent sides of the front frame protection net (2) are provided with short-side edge folding and overlapping structures (22), and the two sides of the front frame protection net (2) corresponding to the short-side edge folding and overlapping structures are provided with long-side edge folding and overlapping structures (23).
2. The pre-rack guard of claim 1, further comprising:
one end of the clamping device (3) is clamped with one side of the frame front protective net (2) provided with a short-side edge-folding lap joint structure (22), and the other end of the clamping device is clamped with the fixed steel wire rope (21); or one end is clamped with one side of the frame front protective net (2) provided with the long-side edge-folding lap joint structure (23), and the other end is clamped with the cable groove (14).
3. A pre-rack guard according to claim 2, characterized in that the snap-on means (3) comprise:
a connecting rope (31);
two connecting buckles (32) respectively connected with two ends of the connecting rope (31);
the connection buckle (32) comprises:
the connecting seat (321), the end of the connecting rope (31) is connected with the connecting seat (321);
the first rod body (322) is connected with the connecting seat (321);
the second rod body (323), the said second rod body (323) is connected with said connecting seat (321) rotatably;
the second rod body (323) is provided with a clamping groove matched with the first rod body (322), and the second rod body (323) is clamped with the first rod body (322) through the clamping groove to form a closed structure.
4. A pre-rack guard according to claim 3, characterized in that the connection socket (321) is rotatably connected to the connection rope (31).
5. A pre-rack guard according to claim 3, characterized in that the connecting rope (31) is provided with telescopic means (311).
6. The pre-rack guard of claim 1, further comprising:
the dustproof cloth (4), dustproof cloth (4) with before-the-frame protection network (2) can dismantle the connection, set up in being close to one side of hydraulic support (13).
7. The pre-rack guard of claim 1, further comprising:
the storage rack (5) is connected with the front protection net (2) and is arranged at two sides of the front protection net (2); the length of the storage rack (5) is smaller than that of the protection net (2) in front of the rack.
8. The pre-rack guard of claim 1, further comprising:
one end of the connecting device (6) is connected with one side of the frame front protective net (2) provided with a short-side edge folding and overlapping structure (22), and the other end of the connecting device is connected with one side of the frame front protective net (2) provided with a long-side edge folding and overlapping structure (23);
wherein a plurality of the protection nets (2) in front of the frame are connected by the connecting device (6).
9. A pre-rack guard according to claim 8, characterized in that the connecting means (6) is of S-shaped construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321880673.1U CN220599841U (en) | 2023-07-18 | 2023-07-18 | Front protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321880673.1U CN220599841U (en) | 2023-07-18 | 2023-07-18 | Front protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220599841U true CN220599841U (en) | 2024-03-15 |
Family
ID=90177139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321880673.1U Active CN220599841U (en) | 2023-07-18 | 2023-07-18 | Front protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220599841U (en) |
-
2023
- 2023-07-18 CN CN202321880673.1U patent/CN220599841U/en active Active
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