CN218716879U - Energy-absorbing and impact-preventing top beam device - Google Patents

Energy-absorbing and impact-preventing top beam device Download PDF

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Publication number
CN218716879U
CN218716879U CN202222873197.2U CN202222873197U CN218716879U CN 218716879 U CN218716879 U CN 218716879U CN 202222873197 U CN202222873197 U CN 202222873197U CN 218716879 U CN218716879 U CN 218716879U
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China
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energy
absorbing
positioning
impact
limiting ring
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CN202222873197.2U
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Inventor
徐亚军
庞晓亮
时洪宇
杜尚宇
马端志
袁超宇
马梓焱
刘明川
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Ccteg Coal Mining Research Institute Co ltd
CCTEG China Coal Research Institute
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Ccteg Coal Mining Research Institute Co ltd
CCTEG China Coal Research Institute
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Abstract

The utility model provides an energy-absorbing scour protection function back timber device, including back timber and back timber apron, back timber top week side is provided with the spacing collar, be provided with a plurality of rubber metal springs on the back timber, it is a plurality of rubber metal spring is located in the spacing collar, it is a plurality of enclose into a plurality of packing spaces, every between the rubber metal spring all fill energy-absorbing scour protection material in the packing space, the back timber apron is located a plurality of rubber metal spring top, and with the rubber metal spring top meets, back timber apron bottom surface is provided with the location otic placode all around, the activity of location otic placode is pegged graft in the spacing collar, can reciprocate along the spacing collar. Through setting up a plurality of rubber metal springs to fill energy-absorbing shock-proof material in the space that a plurality of rubber metal springs enclose, can realize fine shock-proof energy-absorbing effect through effect between them.

Description

Energy-absorbing and impact-preventing top beam device
Technical Field
The utility model relates to a coal mine safety technical field especially relates to an energy-absorbing scour protection function back timber device.
Background
The hydraulic support is main equipment for coal seam mining support, not only provides a safe operation space for workers, but also plays a role in supporting and controlling a working face top plate. Along with the continuous development of the coal industry, the coal mining difficulty is increased day by day, so the reliability requirement on the hydraulic support is higher and higher, in the working process of the hydraulic support, the contact condition between the top beam of the hydraulic support and the rock wall at the top of the coal mine roadway is changed continuously, and the pressure action on the hydraulic support is also changed continuously. In addition, due to the change of the rock stratum space, the top beam of the hydraulic support continuously bears the action of impact load, the destructive property of the impact load is extremely strong, and the telescopic upright post of the hydraulic support is expanded and deformed, even bursts. Therefore, the impact energy-absorbing protection device has important significance for the use of the hydraulic support, and the existing impact energy-absorbing device has poor buffering and energy-absorbing effects.
Disclosure of Invention
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the utility model aims to provide an energy-absorbing scour protection function back timber device is through setting up a plurality of rubber metal springs to fill energy-absorbing scour protection material in the space that a plurality of rubber metal springs enclose, can realize fine scour protection energy-absorbing effect through effect between them.
In order to achieve the above object, the utility model provides an energy-absorbing scour protection function back timber device, include:
the energy-absorbing and impact-preventing roof beam comprises a roof beam, wherein a limiting ring is arranged on the periphery of the top of the roof beam, a plurality of rubber metal springs are arranged on the roof beam and positioned in the limiting ring, a plurality of filling spaces are defined by the plurality of rubber metal springs, and energy-absorbing and impact-preventing materials are filled in each filling space;
the top beam cover plate is arranged above the rubber metal springs and is connected with the tops of the rubber metal springs, positioning lug plates are arranged on the periphery of the bottom surface of the top beam cover plate, and the positioning lug plates are movably inserted into the limiting rings and can move up and down along the limiting rings.
Furthermore, the limiting device also comprises a limiting component arranged on the limiting ring, wherein the limiting component is inserted into the positioning lug plate and is used for preventing the positioning lug plate from separating from the limiting ring when moving up and down.
Further, spacing subassembly is spacing round pin axle, be provided with microscler ear hole on the location otic placode lateral wall, spacing round pin axle passes and inserts behind the spacing collar microscler ear hole, the length of microscler ear hole is greater than the diameter of spacing round pin axle, so that the location otic placode can reciprocate along the spacing collar.
Furthermore, the limiting ring comprises an outer limiting ring and an inner limiting ring sleeved inside the outer limiting ring, a limiting groove is formed between the outer limiting ring and the inner limiting ring, the positioning lug plate is movably inserted into the limiting groove, and the limiting pin shaft penetrates through the outer limiting ring and the inner limiting ring and then is inserted into the long lug hole.
Furthermore, the top surface of back timber is provided with the locating plate, the locating plate is located in the spacing collar, the surface of locating plate is provided with a plurality of fixed columns, and is a plurality of rubber metal spring overlaps respectively to be established a plurality ofly on the fixed column.
Furthermore, the fixed column is including setting up fixed bottom pillar on the locating plate, can dismantle on the fixed bottom pillar and be connected with the batter post.
Furthermore, an external thread stud is arranged at the top of the fixed bottom column, and an internal thread hole in threaded fit with the external thread stud is arranged at the bottom of the upper oblique column.
Further, the energy-absorbing impact-proof device comprises a quick assembly, wherein the quick assembly comprises a lifting tray, the lifting tray is arranged on the top beam, the energy-absorbing impact-proof material is arranged on the lifting tray, and the lifting tray is provided with a positioning pipe.
Furthermore, the positioning pipe is provided with a plurality of, be provided with on the energy-absorbing scour protection material a plurality of with positioning pipe matched with pilot hole to make the energy-absorbing scour protection material pass through the positioning pipe inserts install in the pilot hole on lifting by crane the tray.
Furthermore, the middle part of the surface of the positioning plate is provided with a mounting hole, and the hoisting tray is arranged in the mounting hole.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a cross-sectional view of the energy-absorbing and impact-preventing functional top beam device of the present invention.
Fig. 2 is a top view of the energy-absorbing and impact-preventing top beam device of the present invention.
Fig. 3 is a structural diagram of the cap cover of the present invention.
Fig. 4 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3 according to the present invention.
Fig. 5 is a cross-sectional view B-B of fig. 3 according to the present invention.
Fig. 6 is a schematic structural view of the energy-absorbing and anti-impact top beam device of the present invention when the rubber metal spring is detached.
Fig. 7 is a schematic view of a local structure of the energy-absorbing anti-impact top beam device of the present invention.
Fig. 8 is a schematic partial structure view of fig. 7 according to the present invention.
Fig. 9 is a schematic view of a local structure of the energy-absorbing anti-impact top beam device of the present invention.
Fig. 10 is a partial schematic structural view of fig. 9 according to the present invention.
In the figure: 1. a top beam; 2. a limiting ring; 21. an outer limiting ring; 22. an inner-layer limiting ring; 23. a limiting groove; 24. a first fixing hole; 25. a second fixing hole; 26. an ear plate; 3. a rubber metal spring; 4. energy-absorbing and impact-preventing materials; 5. a cap plate; 51. positioning the ear plate; 52. a long ear hole; 6. a limiting pin shaft; 7. positioning a plate; 71. fixing a column; 72. a fixed bottom pillar 73, an upper batter post; 8. fast assembly; 81. lifting the tray; 82. a positioning tube; 83. lifting a lifting ring;
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
As shown in fig. 1-10, the utility model discloses an energy-absorbing scour protection function back timber device, back timber 1 and back timber apron 5 including hydraulic support, wherein 1 top week of back timber is provided with spacing collar 2, be provided with a plurality of rubber metal spring 3 on the back timber 1, a plurality of rubber metal spring 3 are arranged in spacing collar 2, enclose into a plurality of packing spaces between a plurality of rubber metal spring 3, it has energy-absorbing scour protection material 4 all to fill in every packing space, back timber apron 5 is arranged in a plurality of rubber metal spring 3 tops, and meet with 3 tops of rubber metal spring, 5 bottom surfaces of back timber apron are provided with location otic placode 51 all around, location otic placode 51 activity is pegged graft in spacing collar 2, can reciprocate along spacing collar 2.
It can be understood, week side at hydraulic support's back timber 1 sets up round spacing collar 2, a plurality of rubber metal spring 3 are located spacing collar 2, can block through spacing collar 2, and a plurality of rubber metal spring 3 can enclose into a plurality of packing spaces, can fill energy-absorbing impact-proof material 4 in packing space, when back timber 1 receives external impact, back timber 1 bears external load by rubber metal spring 3 earlier, according to the design requirement, when external force that the back timber apron received reaches certain proportion working resistance, energy-absorbing impact-proof material 4 begins to play a role, and through spacing collar 2 to location otic placode 51 limiting displacement, make back timber apron 5 can not break away from spacing collar 2.
In some embodiments, the limiting device further comprises a limiting component arranged on the limiting ring 2, and the limiting component is plugged into the positioning ear plate 51 and used for preventing the positioning ear plate 51 from being separated from the limiting ring 2 when moving up and down.
It can be understood that, the spacing subassembly that sets up on spacing collar 2 can be through the spacing effect of blockking to location otic placode 51, and then the distance that restriction back timber apron 5 reciprocated can prevent effectively that location otic placode 51 from deviating from spacing collar 2 and causing the skew of back timber apron 5.
It should be noted that there are various limiting component structures that can limit the position of the positioning ear plate 51 and do not prevent the positioning ear plate 51 from moving up and down.
As a possible situation, the limiting component can be a limiting pin 6, a long ear hole 52 is arranged on the side wall of the positioning ear plate 51, the limiting pin 6 penetrates through the limiting ring 2 and then is inserted into the long ear hole 52, the length of the long ear hole 52 is larger than the diameter of the limiting pin 6, so that the positioning ear plate 51 can move up and down along the limiting ring 2, and meanwhile, the positioning ear plate 51 cannot be separated from the limiting ring 2 due to the blocking of the long ear hole 52 in the moving process.
In some embodiments, the stop collar 2 includes an outer stop collar 21 and an inner stop collar 22 sleeved inside the outer stop collar 21, a stop groove 23 is formed between the outer stop collar 21 and the inner stop collar 22, the positioning ear plate 51 is movably inserted into the stop groove 23, and the stop pin 6 passes through the outer stop collar 21 and the inner stop collar 22 and then is inserted into the elongated ear hole 52.
It can be understood that, outer spacing collar 21 and inner spacing collar 22 can both be square frames, inner spacing collar 22 is located outer spacing collar 21, then all set up a plurality of first fixed orificess 24 on four lateral walls of the square frame of outer spacing collar 21, also set up a plurality of second fixed orificess 25 that correspond the setting with first fixed orificess 24 on four lateral walls of the square frame of inner spacing collar 22 simultaneously, roof beam apron 5 bottom surface sets up four location otic placodes 51, four location otic placodes 51 enclose into squarely, all have a plurality of microscler earholes 52 on every location otic placode 51, and microscler earhole 52 corresponds the setting with first fixed orifices 24 and second fixed orifices 25 homogeneous phase, when the installation, after inserting location otic placode 51 in spacing groove 23, then pass spacing pin 6 first fixed orificess 24, microscler earhole 52 and second fixed orifices 25, in addition, in order to carry out spacing to spacing pin 6, can be located first fixed orificess 24 in outer spacing collar 21 outer wall and set up two relative setting's otic placodes 26, first fixed orificess 24 is located between two spacing earholes 24, first fixed orificess 24 is located spacing earholes 24, spacing pin 6 passes spacing earholes 52, the spacing earhole behind spacing pin 6 and second fixed earhole 26, two spacing earholes 24, the spacing pin passes spacing pin 26, the spacing pin passes through spacing earhole behind spacing pin 26, two spacing pin 6, two spacing pin 26, two spacing pin pass through spacing pin 26, two spacing pin 26, the spacing pin pass through spacing pin 26 behind spacing pin 26, the spacing pin 26, two spacing pin 26, the spacing pin pass through spacing pin behind spacing pin, two spacing pin 26, two spacing pin.
In some embodiments, the top surface of the top beam 1 is provided with a positioning plate 7, the positioning plate 7 is located in the spacing collar 2, the surface of the positioning plate 7 is provided with a plurality of fixing posts 71, and the plurality of rubber metal springs 3 are respectively sleeved on the plurality of fixing posts 71.
It can be understood that, locating plate 7 sets up inside inlayer spacing collar 22, when a plurality of fixed columns 71 are installed on locating plate 7, round fixed column 71 is arranged at the avris of locating plate 7, a plurality of fixed columns 71 that arrange enclose squarely, it is two squarely with a square two of divideing into to set up a plurality of fixed columns 71 in the square middle part that encloses, then establish installation rubber metal spring 3 at every fixed column 71 cover, make installation rubber metal spring 3 back, the middle part of the rubber metal spring 3 of installation encloses into two square filling spaces, be used for filling energy-absorbing scour protection material 4, make two of packing of filling have a plurality of rubber metal springs 3 around the equal even of week side of energy-absorbing scour protection material 4.
In some embodiments, the fixing post 71 includes a fixing bottom post 72 disposed on the positioning plate 7, and an upper inclined post 73 is detachably connected to the fixing bottom post 72.
It can be understood that, in order to accurately and quickly complete the installation and positioning of the fixing column 71, a steel plate with a certain thickness and positioning holes, namely the positioning plate 7, is manufactured, according to the arrangement requirement of the fixing column 71, a certain number of positioning holes are processed on the steel plate, the positioning holes penetrate through the steel plate, the aperture A of each positioning hole is equal to the maximum outer diameter a of the fixing column 71, the distance between the positioning holes is determined according to the arrangement requirement of the fixing column 71, when the rubber metal spring 3 is installed, the positioning plate 7 with the positioning holes is welded with the top of the top beam 1 in a filling welding mode, the depth of the welding line is not smaller than the thickness of the positioning plate, then the fixing column 71 is sequentially plugged into the positioning holes, the welding is completed at the same time, finally the inner-layer limiting ring 22 and the outer-layer limiting ring 21 on the periphery of the top beam 1 are welded, then the rubber metal spring 3 is installed on the fixing column 71, the inner hole of the rubber metal spring 3 is tightly matched with the fixing column 71, when the rubber metal spring 3 is installed, the rubber metal spring 3 is extruded into the fixing column 71 in place, the position, the rubber metal spring 3 is prevented from being loosened, when the upper inclined column 73 is disassembled, the inner hole of the rubber metal spring 3 is removed, and then the rubber metal spring 71 is sequentially removed.
In some embodiments, the top of the fixed bottom pillar 72 is provided with an external threaded stud, and the bottom of the upper inclined pillar 73 is provided with an internal threaded hole which is in threaded fit with the external threaded stud.
It can be understood that the lower end of the fixed bottom pillar 72 is provided with a groove, the fixed bottom pillar 72 is firstly sequentially plugged into a positioning hole of the positioning plate 7, the groove at the lower end of the fixed bottom pillar 72 is matched with the positioning hole of the positioning plate 7, the fixed bottom pillar 72 is welded with the positioning plate 7 in a welding mode, all the fixed bottom pillars 72 are installed in place, after all the fixed bottom pillars 72 are welded, threaded holes of the upper inclined pillars 73 are sequentially sleeved on external threaded studs of the fixed bottom pillar 72, the upper inclined pillars 73 are sequentially rotated, and when each upper inclined pillar 73 cannot rotate, all the fixed pillars 71 are assembled.
In addition, it should be noted that the top of the upper inclined column 72 is provided with a sleeve hole, when the rubber metal spring 3 is disassembled, the sleeve is firstly sleeved on the upper inclined column 73 to be matched with the sleeve hole, the sleeve is rotated to sequentially disassemble the upper inclined column 73, then the rubber metal spring 3 is sequentially disassembled, and the disassembly of the rubber metal spring 3 is completed.
In some embodiments, the fast assembly 8 is further included, the fast assembly 8 includes a lifting tray 81, the lifting tray 81 is disposed on the top beam 1, the energy-absorbing impact-proof material 4 is disposed on the lifting tray 81, and the positioning pipe 82 is disposed on the lifting tray 81.
It can be understood that the energy-absorbing impact-proof material 4 is arranged on the lifting tray 81, an internal thread can be arranged on the positioning pipe 82, during installation, the lifting ring 83 is screwed into the positioning pipe 82, then the lifting ring is placed in a square area surrounded by the rubber metal spring 3 on the top beam 1, then the lifting ring 83 rotates reversely, the lifting ring 83 is taken away, and installation of the energy-absorbing impact-proof material 4 is completed. During disassembly and assembly, the hoisting ring 83 is screwed into the positioning pipe 82, and the hoisting supporting plate 81 and the energy-absorbing impact-proof material 4 are lifted out of a square area surrounded by the rubber metal spring 3.
In some embodiments, the positioning tube 82 is provided with a plurality of positioning holes, and the energy-absorbing impact-proof material 4 is provided with a plurality of assembling holes matched with the positioning tube 82, so that the energy-absorbing impact-proof material 4 is inserted into the assembling holes through the positioning tube 82 and is installed on the lifting tray 81.
It can be understood that the energy-absorbing impact-proof material 4 can be prevented from being displaced during the installation and disassembly processes by providing the energy-absorbing impact-proof material 4 with an assembling hole matched with the positioning pipe 82.
In some embodiments, the middle of the surface of the positioning plate 7 is provided with a mounting hole, the lifting tray 81 is disposed in the mounting hole, and the surface of the positioning plate 7 is provided with the mounting hole, so that the weight of the positioning plate 7 can be reduced, and the mounting of the lifting tray 81 is also facilitated.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides an energy-absorbing scour protection function roof beam device which characterized in that includes:
the energy-absorbing and impact-preventing roof beam comprises a roof beam, wherein a limiting ring is arranged on the periphery of the top of the roof beam, a plurality of rubber metal springs are arranged on the roof beam and positioned in the limiting ring, a plurality of filling spaces are defined by the plurality of rubber metal springs, and energy-absorbing and impact-preventing materials are filled in each filling space;
the top beam cover plate is arranged above the rubber metal springs and is connected with the tops of the rubber metal springs, positioning lug plates are arranged on the periphery of the bottom surface of the top beam cover plate, and the positioning lug plates are movably inserted into the limiting rings and can move up and down along the limiting rings.
2. The energy-absorbing and impact-preventing functional top beam device as claimed in claim 1, further comprising a limiting component arranged on the limiting ring, wherein the limiting component is inserted into the positioning ear plate and used for preventing the positioning ear plate from being separated from the limiting ring when moving up and down.
3. The energy-absorbing and impact-preventing functional top beam device as claimed in claim 2, wherein the limiting component is a limiting pin, the side wall of the positioning ear plate is provided with an elongated ear hole, the limiting pin penetrates through the limiting ring and then is inserted into the elongated ear hole, and the length of the elongated ear hole is larger than the diameter of the limiting pin, so that the positioning ear plate can move up and down along the limiting ring.
4. The energy-absorbing and impact-resisting functional roof beam device as claimed in claim 3, wherein the limiting ring comprises an outer limiting ring and an inner limiting ring sleeved inside the outer limiting ring, a limiting groove is formed between the outer limiting ring and the inner limiting ring, the positioning ear plate is movably inserted into the limiting groove, and the limiting pin shaft penetrates through the outer limiting ring and the inner limiting ring and then is inserted into the elongated ear hole.
5. The energy-absorbing and impact-preventing functional top beam device as claimed in claim 1, wherein a positioning plate is arranged on the top surface of the top beam, the positioning plate is located in the limiting ring, a plurality of fixing columns are arranged on the surface of the positioning plate, and a plurality of rubber metal springs are respectively sleeved on the plurality of fixing columns.
6. The energy-absorbing and impact-resisting functional top beam device as claimed in claim 5, wherein the fixed columns comprise fixed bottom columns arranged on the positioning plate, and upper inclined columns are detachably connected to the fixed bottom columns.
7. The energy-absorbing and impact-preventing functional top beam device as claimed in claim 6, wherein the top of the fixed bottom column is provided with an external threaded stud, and the bottom of the upper batter post is provided with an internal threaded hole which is in threaded fit with the external threaded stud.
8. The energy-absorbing impact-preventing functional top beam device as claimed in claim 5, further comprising a quick assembly, wherein the quick assembly comprises a lifting tray, the lifting tray is arranged on the top beam, the energy-absorbing impact-preventing material is arranged on the lifting tray, and a positioning pipe is arranged on the lifting tray.
9. The energy-absorbing impact-preventing functional top beam device as claimed in claim 8, wherein a plurality of positioning pipes are provided, and a plurality of assembling holes matched with the positioning pipes are provided on the energy-absorbing impact-preventing material, so that the energy-absorbing impact-preventing material is inserted into the assembling holes through the positioning pipes and is installed on the lifting tray.
10. The energy-absorbing and impact-preventing functional top beam device as claimed in claim 8, wherein a mounting hole is formed in the middle of the surface of the positioning plate, and the lifting tray is disposed in the mounting hole.
CN202222873197.2U 2022-10-28 2022-10-28 Energy-absorbing and impact-preventing top beam device Active CN218716879U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222873197.2U CN218716879U (en) 2022-10-28 2022-10-28 Energy-absorbing and impact-preventing top beam device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222873197.2U CN218716879U (en) 2022-10-28 2022-10-28 Energy-absorbing and impact-preventing top beam device

Publications (1)

Publication Number Publication Date
CN218716879U true CN218716879U (en) 2023-03-24

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CN202222873197.2U Active CN218716879U (en) 2022-10-28 2022-10-28 Energy-absorbing and impact-preventing top beam device

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