CN111878167A - Colliery is ventilation structure in pit convenient to it is fixed - Google Patents
Colliery is ventilation structure in pit convenient to it is fixed Download PDFInfo
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- CN111878167A CN111878167A CN202010775058.9A CN202010775058A CN111878167A CN 111878167 A CN111878167 A CN 111878167A CN 202010775058 A CN202010775058 A CN 202010775058A CN 111878167 A CN111878167 A CN 111878167A
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- rod body
- rod
- fixedly connected
- hole
- fixing
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- 238000009423 ventilation Methods 0.000 title claims abstract description 40
- 239000003245 coal Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 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
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a coal mine underground ventilation structure convenient to fix, and relates to the technical field of coal mine ventilation. The telescopic rod comprises a first rod body, a second rod body, a third rod body and a fourth rod body, wherein one end of the second rod body is sleeved in one end of the first rod body in a sliding mode, one end of the third rod body is sleeved in one end of the fourth rod body in a sliding mode, and the second rod body is positioned at the upper end of the third rod body and is perpendicular to the third rod body; a clamp is also arranged on the connecting body of the third rod body and the fourth rod body in a matching way; four corners of one end face of the first rod body close to the second rod body are provided with first slots. According to the invention, through the arrangement of the supporting rod, the first rod body, the second rod body, the third rod body, the fourth rod body, the second limiting strip, the third limiting strip, the first clamping plate, the second clamping plate, the inserting column and the connecting rod, the device is convenient to mount and high in safety in the use process, and the device can realize quick and efficient ventilation and is strong in applicability, good in folding and accommodating effect and convenient to transport.
Description
Technical Field
The invention belongs to the technical field of coal mine ventilation, and particularly relates to a coal mine underground ventilation structure convenient to fix, which is mainly used for fixing and installing an underground ventilation pipe.
Background
The mine ventilation is that fresh air is input into the underground to increase the oxygen concentration so as to dilute and remove toxic and harmful gases and dust in the mine, and the basic task of the mine ventilation is to supply enough fresh air to the underground, meet the requirement of personnel on oxygen, dilute the underground harmful gases and dust, ensure safe production, adjust underground climate and create a good working environment. Present ventilation pipe in pit is at the in-process of calandria, need come fixed mounting to the ventilation pipe through fixed knot structure in the fixed distance position, at present, a structure for ventilation pipe is fixed for fixed dimension in pit mostly, can't adjust according to the size of well, the suitability is poor and inconvenient fixed with the well wall, secondly, current ventilation pipe fixed knot constructs overall stability in pit is poor, there is the problem of potential safety hazard, and again, current ventilation pipe fixed knot constructs in pit is great, can't carry at constrictive well, and finally, current ventilation pipe fixed knot constructs in pit can't highly adjust the ventilation pipe, consequently, it is very difficult to have corresponding ventilation to the different heights in the well fast, therefore it is necessary to improve prior art, in order to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a coal mine underground ventilation structure convenient to fix, which is convenient to adjust according to the height of a well by arranging a third rod body and a fourth rod body in a sliding sleeved mode, is convenient to fixedly connect a second fixing plate and a third fixing plate with the wall of the well, can be arranged in a triangular mode by arranging the first rod body and the second rod body and matching with a supporting rod, improves the stability of the device, is convenient to disassemble one end of the supporting rod by arranging a plug column, can realize relative rotating and accommodating between the second rod body and the third rod body by arranging a connecting rod, can be used for adjusting the height of the device by arranging the second limiting strip and the third limiting strip, can be used for rapidly ventilating different areas in the well in a targeted mode, and solves the problems that the conventional underground ventilation pipe fixing structure is poor in applicability and inconvenient to fix the ventilation pipe with the wall of the well, The overall stability of the structure is poor, the folding transportation is inconvenient and the height of the ventilation pipe cannot be adjusted.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a coal mine underground ventilation structure convenient to fix, which comprises a first rod body, a second rod body, a third rod body and a fourth rod body, wherein one end of the second rod body is sleeved in one end of the first rod body in a sliding manner, one end of the third rod body is sleeved in one end of the fourth rod body in a sliding manner, and the second rod body is positioned at the upper end of the third rod body and is vertically arranged with the third rod body; a clamp is also arranged on the connecting body of the third rod body and the fourth rod body in a matching way;
four corners of one end face of the first rod body, which is close to the second rod body, are provided with first slots, the center position of the bottom surface of the first rod body is provided with a first limiting strip along the extending direction of the first rod body, and the first limiting strip is provided with a round head limiting groove;
the first slot is used for being in clearance fit with one end of the first positioning rod, meanwhile, the other end of the first positioning rod is fixedly connected to one side face of the fixing block, the fixing block is fixedly connected to one end face, far away from the first rod body, of the second rod body, and a first through hole is formed in the fixing block;
four corners of one end face of the fourth rod body, which is close to the third rod body, are provided with second slots, and the center of one side face of the fourth rod body is provided with a guide slot along the extending direction of the fourth rod body;
second limiting strips are symmetrically arranged on the outer side surfaces of the fourth rod bodies on two sides of the guide groove, and first U-shaped limiting grooves are formed in the second limiting strips;
the second slot is used for being in clearance fit with one end of a second positioning rod, the other end of the second positioning rod is fixedly connected to one side face of a fixing box, and the fixing box is fixedly connected to one end face, far away from the fourth rod body, of the third rod body;
a third limiting strip is arranged at the center of the outer surface of one side of the third rod body along the extending direction of the third rod body, and a second U-shaped limiting groove is formed in the third limiting strip; the third limiting strip is used for being in clearance fit with the guide groove;
the horizontal section of the middle part of the fixed box is arranged in an L shape, and the fixed block is in clearance fit in the fixed box; a connecting rod is fixedly connected to the center position inside one side plate of the fixing box, and one end of the connecting rod penetrates through the fixing box and extends to the outer side of the fixing box to be fixedly connected with the limiting disc;
the connecting rod is used for being in clearance fit with the first through hole;
the clamp comprises a first semicircular ring, a second semicircular ring, a first clamping plate and a second clamping plate, wherein the first semicircular ring and the second semicircular ring are arranged in an up-down symmetrical mode;
the outer side walls of the two ends of the first semicircular ring are respectively provided with a first connecting block, and the outer side walls of the two ends of the second semicircular ring are respectively provided with a second connecting block;
one of them fixedly connected with first splint on the side of second connecting block, the opposite side of first splint is to align with first splint and is provided with the second splint, first splint and second splint are located the both sides of the spacing strip of second and/or the spacing strip of third respectively.
Furthermore, a first fixing plate is fixedly connected to one end face, far away from the second rod body, of the first rod body, and second through holes are formed in four corners of the first fixing plate.
Furthermore, a second fixing plate is fixedly connected to the top surface of the fixing box, and third through holes are formed in four corners of the second fixing plate.
Furthermore, a third fixing plate is fixedly connected to one end face, far away from the third rod body, of the fourth rod body, and fourth through holes are formed in four corners of the third fixing plate.
Furthermore, a first external thread is arranged on the outer wall of one end, close to the first rod body, of the first positioning rod, and a first nut is spirally matched on the first external thread on the outer side of the first rod body;
and a second external thread is arranged on the outer wall of one end, close to the fourth rod body, of the second positioning rod, and a second nut is in spiral fit with the second external thread on the outer side of the fourth rod body.
Furthermore, the upper end position of the second limit strip is fixedly connected with a hanging lug, and a limit hole in the hanging lug is used for being in clearance fit with an insertion column at one end of the support rod.
Furthermore, insert post fixed connection on a side of bracing piece, fixedly connected with first locking bolt on the bracing piece is with the other end of side simultaneously, first locking bolt is used for with the cooperation of button head spacing groove fixed.
Furthermore, a fifth through hole is formed in the first connecting block, a sixth through hole is formed in the second connecting block, the fifth through hole and the sixth through hole are concentrically arranged in a congruent mode, and the fifth through hole and the sixth through hole are fixed in a matched mode through a second locking bolt.
Furthermore, third locking bolts are symmetrically arranged on one side face of the first clamping plate, and one ends of the third locking bolts penetrate through the first U-shaped limiting grooves and/or the second U-shaped limiting grooves to be matched and fixed with seventh through holes in the second clamping plate;
all be provided with the internal thread hole on four turnings of second splint, the screw fit has fixing bolt in the internal thread hole.
Furthermore, the ends, close to each other, of the first U-shaped limiting groove and the second U-shaped limiting groove are both provided with openings, and the width sizes of the first U-shaped limiting groove and the second U-shaped limiting groove are equal.
The invention has the following beneficial effects:
1. according to the invention, through the arrangement of the third rod body and the fourth rod body, when the fixing device is used, the adjustment can be carried out according to the height of a well through the arrangement of the sliding sleeve between the third rod body and the fourth rod body, so that the second fixing plate and the third fixing plate can be conveniently fixed with the wall of the well, and the arrangement has strong applicability and is convenient to install.
2. According to the invention, through the arrangement of the supporting rod, the first rod body and the second rod body, when the device is used, the sliding sleeve connection between the first rod body and the second rod body is adopted, so that the adjustment according to the width of a well is convenient, the fixing of the first fixing plate and the wall of the well is convenient, and the connection body of the first rod body and the second rod body and the third rod body are arranged in a matching way through the supporting rod, so that the whole body is arranged in a triangular shape, the stability of the device is greatly improved, and the safety is high.
3. According to the invention, through the arrangement of the inserting column and the connecting rod, when in use, one end of the supporting rod is convenient to detach through the matching arrangement of the inserting column and the hanging lug, the relative rotation of the second rod body and the third rod body is convenient through the arrangement of the connecting rod, the mutual storage between the second rod body and the first rod body is convenient through the arrangement of the sliding sleeve of the first rod body and the second rod body, the mutual storage between the third rod body and the fourth rod body is convenient through the arrangement of the sliding sleeve of the third rod body and the fourth rod body, and the storage is convenient through the folding storage, so that the transportation of the device in a well way is convenient.
4. According to the ventilation pipe height adjusting clamp, through the arrangement of the second limiting strip, the third limiting strip, the first clamping plate and the second clamping plate, when the ventilation pipe height adjusting clamp is used, the first clamping plate and the second clamping plate are matched through the third locking bolt, so that the clamp can freely slide on the second limiting strip and the third limiting strip, the ventilation pipe height on the clamp can be conveniently adjusted, and a worker can adjust the height in a targeted manner, and efficient and rapid ventilation is realized.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an overall schematic view of a coal mine underground ventilation structure convenient to fix according to a first embodiment;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a schematic view of the overall structure of the clamp;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic view of the overall structure of a fourth rod;
FIG. 6 is a schematic view of the overall structure of the third rod and the connecting rod;
FIG. 7 is a rear view of FIG. 6;
FIG. 8 is an enlarged view taken at A in FIG. 6;
FIG. 9 is a schematic view of the overall structure of the second rod;
FIG. 10 is an enlarged view at B of FIG. 9;
FIG. 11 is a schematic view of the overall structure of the first rod;
FIG. 12 is a schematic view of the overall structure of the support rod;
fig. 13 is an overall schematic view of the underground coal mine ventilation structure convenient to fix in the first embodiment in a folded state.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a clamp; 2. a support bar; 3. a first rod body; 4. a second rod body; 5. a third rod body; 6. a fourth rod body; 7. a connecting rod; 101. a first semi-circular ring; 102. a second semi-circular ring; 103. a first splint; 104. a second splint; 105. a second locking bolt; 201. inserting a column; 202. a first locking bolt; 301. a first fixing plate; 302. a first limit strip; 303. a second through hole; 304. a round head limiting groove; 305. a first slot; 401. a first positioning rod; 402. a fixed block; 403. a first through hole; 404. a first external thread; 405. a first nut; 501. a second positioning rod; 502. a fixing box; 503. a third limiting strip; 504. hanging a lug; 505. a second U-shaped limiting groove; 506. a second fixing plate; 507. a third through hole; 508. a second external thread; 509. a second nut; 601. a third fixing plate; 602. a second limit strip; 603. a guide groove; 604. a second slot; 605. a fourth via hole; 606. a first U-shaped limiting groove; 701. a limiting disc; 1011. a first connection block; 1012. a fifth through hole; 1021. a second connecting block; 1022. a sixth through hole; 1031. a third locking bolt; 1041. a seventh via hole; 1042. and (4) an internal threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open", "one side", "lower", "height", "in the annular direction", "concentrically arranged", "alternately connected", "inner", "peripheral side", "outer", and the like, indicate orientations or positional relationships and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example one
Referring to fig. 1-2, the invention is a coal mine underground ventilation structure convenient for fixing, comprising a first rod body 3, a second rod body 4, a third rod body 5 and a fourth rod body 6, wherein the components are all rectangular bodies, one end of the second rod body 4 is slidably sleeved in one end of the first rod body 3, the arrangement can be used for adjusting the relative position between the first rod body 3 and the second rod body 4, one end of the third rod body 5 is slidably sleeved in one end of the fourth rod body 6, and the second rod body 4 is positioned at the upper end of the third rod body 5 and is vertically arranged with the third rod body 5; this setting can be used for adjusting the relative position adjustment between the third body of rod 5 and the fourth rod body 6, still the cooperation is provided with anchor clamps 1 on the connector of the third body of rod 5 and fourth rod body 6, and anchor clamps 1's setting is used for carrying out the centre gripping fixedly to gas transmission pipeline.
Referring to fig. 11, four corners of an end surface of the first rod 3 close to the second rod 4 are respectively provided with a first slot 305, a center position of a bottom surface of the first rod 3 is provided with a first limiting strip 302 along an extending direction of the first rod 3, and the first limiting strip 302 is provided with a round-head limiting slot 304;
a first fixing plate 301 is fixedly connected to one end surface of the first rod 3 far away from the second rod 4, second through holes 303 are formed in four corners of the first fixing plate 301, and the second through holes 303 are matched with expansion bolts to be fixedly connected with a wall.
Referring to fig. 1 and 9-10, the first slot 305 is used for being in clearance fit with one end of the first positioning rod 401, while the other end of the first positioning rod 401 is fixedly connected to one side surface of the fixing block 402, the fixing block 402 is fixedly connected to one end surface of the second rod 4 far away from the first rod 3, and the fixing block 402 is further provided with a first through hole 403;
the outer wall of one end of the first positioning rod 401 close to the first rod body 3 is provided with a first external thread 404, the first external thread 404 on the outer side of the first rod body 3 is in screw fit with a first nut 405, and after the adjustment of the positions of the first rod body 3 and the second rod body 4 is finished, the positioning and fixing between the first rod body 3 and the second rod body 4 can be realized by adjusting the position of the first nut 405.
Referring to fig. 5, four corners of one end surface of the fourth rod 6 close to the third rod 5 are respectively provided with a second slot 604, and a central position of one side surface of the fourth rod 6 is provided with a guide slot 603 along an extending direction of the fourth rod 6;
second limiting strips 602 are symmetrically arranged on the outer side surfaces of the fourth rod bodies 6 at two sides of the guide groove 603, and first U-shaped limiting grooves 606 are arranged on the second limiting strips 602;
a third fixing plate 601 is fixedly connected to one end surface of the fourth rod 6 far away from the third rod 5, four corners of the third fixing plate 601 are provided with fourth through holes 605, and the fourth through holes 605 are matched with expansion bolts to be fixedly connected with the wall.
Referring to fig. 1 and 6-9, the second slot 604 is used for being in clearance fit with one end of the second positioning rod 501, while the other end of the second positioning rod 501 is fixedly connected to one side surface of the fixing box 502, and the fixing box 502 is fixedly connected to one end surface of the third rod 5 far from the fourth rod 6;
a second external thread 508 is arranged on the outer wall of one end of the second positioning rod 501 close to the fourth rod body 6, and a second nut 509 is screwed on the second external thread 508 on the outer side of the fourth rod body 6, so that after the position between the third rod body 5 and the fourth rod body 6 is adjusted, the position between the third rod body 5 and the fourth rod body 6 can be fixed by adjusting the position of the second nut 509;
a third limiting bar 503 is arranged at the center of the outer surface of one side of the third rod body 5 along the extending direction of the third rod body 5, and a second U-shaped limiting groove 505 is arranged on the third limiting bar 503; the third limiting strip 503 is used for clearance fit with the guide groove 603, and the arrangement can play a role in limiting and guiding the movement of the third limiting strip 503;
the upper end of the second limiting strip 602 is also fixedly connected with a hanging lug 504, a limiting hole on the hanging lug 504 is used for being in clearance fit with the inserting column 201 on one end of the supporting rod 2, the inserting column 201 can be conveniently detached and installed among the hanging lugs 504, and the supporting rod 2 is arranged to form a triangle with the first rod body 3, the second rod body 4 and the third rod body 5, so that the stability of the device is improved;
the inserting column 201 is fixedly connected to one side face of the supporting rod 2, meanwhile, the other end of the supporting rod 2 on the same side face is fixedly connected with the first locking bolt 202, the first locking bolt 202 is used for being matched and fixed with the round-head limiting groove 304, and the arrangement is convenient for adjusting the position of the first locking bolt 202 on the round-head limiting groove 304;
the ends, close to each other, of the first U-shaped limiting groove 606 and the second U-shaped limiting groove 505 are both provided with openings, the width sizes of the first U-shaped limiting groove 606 and the second U-shaped limiting groove 505 are equal, and the arrangement facilitates the transition guide of the clamp 1 between the first U-shaped limiting groove 606 and the second U-shaped limiting groove 505;
the horizontal section of the middle part of the fixing box 502 is arranged in an L shape, and the fixing block 402 is in clearance fit in the fixing box 502; the arrangement can limit and fix the fixing block 402, so that the first rod body 3 and the third rod body 5 can be conveniently and fixedly connected, the connecting rod 7 is fixedly connected to the central position inside one side plate of the fixing box 502, and one end of the connecting rod 7 penetrates through the fixing box 502 and extends to the outer side of the fixing box 502 to be fixedly connected with the limiting disc 701;
the connecting rod 7 is used for being in clearance fit with the first through hole 403, and as can be seen from fig. 13, the arrangement facilitates the axial movement of the fixing block 402 along the connecting rod 7 and the rotation of the connecting rod 7 as the center of circle, thereby facilitating the folding and storage of the device;
the top surface of the fixing box 502 is fixedly connected with a second fixing plate 506, four corners of the second fixing plate 506 are provided with third through holes 507, and the third through holes 507 are matched with expansion bolts to be fixedly connected with the wall.
Referring to fig. 3-4, the clamp 1 includes a first semicircular ring 101, a second semicircular ring 102, a first clamping plate 103 and a second clamping plate 104, the first semicircular ring 101 and the second semicircular ring 102 are arranged in a vertically symmetrical manner, and the first semicircular ring 101 and the second semicircular ring 102 are arranged in a matching manner to fix and clamp the gas pipe;
the outer side walls of the two ends of the first semicircular ring 101 are respectively provided with a first connecting block 1011, and the outer side walls of the two ends of the second semicircular ring 102 are respectively provided with a second connecting block 1021;
one side face of one of the second connecting blocks 1021 is fixedly connected with a first clamping plate 103, the other side of the first clamping plate 103 is aligned with the first clamping plate 103 and is provided with a second clamping plate 104, the first clamping plate 103 and the second clamping plate 104 are respectively positioned at two sides of the second limiting strip 602 and/or the third limiting strip 503, and the first clamping plate 103 and the second clamping plate 104 are arranged in a matched manner, so that the clamp 1 can conveniently move on the first U-shaped limiting groove 606 and the second U-shaped limiting groove 505, and the clamp 1 can be conveniently adjusted in the vertical direction;
a fifth through hole 1012 is formed in the first connecting block 1011, a sixth through hole 1022 is formed in the second connecting block 1021, the fifth through hole 1012 and the sixth through hole 1022 are concentrically arranged, the fifth through hole 1012 and the sixth through hole 1022 are matched and fixed through a second locking bolt 105, and the arrangement is used for fixedly connecting the first clamping plate 103 and the second clamping plate 104;
the four corners of the second clamping plate 104 are respectively provided with an internal threaded hole 1042, a fixing bolt is screwed in the internal threaded hole 1042, and one end of the fixing bolt contacts with one side outer wall of the second limiting strip 602 and/or the third limiting strip 503 to further fix the clamp 1.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a colliery is ventilation structure in pit convenient to it is fixed, includes first body of rod (3), the second body of rod (4), the third body of rod (5) and the fourth body of rod (6), its characterized in that: one end of the second rod body (4) is sleeved in one end of the first rod body (3) in a sliding manner, one end of the third rod body (5) is sleeved in one end of the fourth rod body (6) in a sliding manner, and the second rod body (4) is positioned at the upper end of the third rod body (5) and is vertically arranged with the third rod body (5); the connecting body of the third rod body (5) and the fourth rod body (6) is also provided with a clamp (1) in a matching way;
four corners of one end face of the first rod body (3) close to the second rod body (4) are respectively provided with a first slot (305), the center position of the bottom face of the first rod body (3) is provided with a first limiting strip (302) along the extending direction of the first rod body (3), and the first limiting strip (302) is provided with a round head limiting groove (304);
the first slot (305) is used for being in clearance fit with one end of the first positioning rod (401), meanwhile, the other end of the first positioning rod (401) is fixedly connected to one side face of the fixing block (402), the fixing block (402) is fixedly connected to one end face, far away from the first rod body (3), of the second rod body (4), and a first through hole (403) is formed in the fixing block (402);
four corners of one end face, close to the third rod body (5), of the fourth rod body (6) are respectively provided with a second slot (604), and the center of one side face of the fourth rod body (6) is provided with a guide slot (603) along the extending direction of the fourth rod body (6);
second limiting strips (602) are symmetrically arranged on the outer side surfaces of the fourth rod bodies (6) on the two sides of the guide groove (603), and a first U-shaped limiting groove (606) is arranged on each second limiting strip (602);
the second slot (604) is used for being in clearance fit with one end of the second positioning rod (501), the other end of the second positioning rod (501) is fixedly connected to one side face of the fixing box (502), and the fixing box (502) is fixedly connected to one end face, far away from the fourth rod body (6), of the third rod body (5);
a third limiting strip (503) is arranged at the center of the outer surface of one side of the third rod body (5) along the extending direction of the third rod body (5), and a second U-shaped limiting groove (505) is arranged on the third limiting strip (503); the third limiting strip (503) is in clearance fit with the guide groove (603);
the horizontal section in the middle of the fixing box (502) is arranged in an L shape, and the fixing block (402) is in clearance fit in the fixing box (502); a connecting rod (7) is fixedly connected to the center of the inner part of one side plate of the fixed box (502), and one end of the connecting rod (7) penetrates through the fixed box (502) and extends to the outer side of the fixed box (502) to be fixedly connected with the limiting disc (701);
the connecting rod (7) is in clearance fit with the first through hole (403);
the clamp (1) comprises a first semicircular ring (101), a second semicircular ring (102), a first clamping plate (103) and a second clamping plate (104), wherein the first semicircular ring (101) and the second semicircular ring (102) are arranged in an up-down symmetrical mode;
the outer side walls of two ends of the first semicircular ring (101) are respectively provided with a first connecting block (1011), and the outer side walls of two ends of the second semicircular ring (102) are respectively provided with a second connecting block (1021);
one of them fixedly connected with first splint (103) on one side of second connecting block (1021), the opposite side of first splint (103) is with first splint (103) and is to align and be provided with second splint (104), first splint (103) and second splint (104) are located the both sides of second spacing strip (602) and/or third spacing strip (503) respectively.
2. The underground coal mine ventilation structure convenient to fix as claimed in claim 1, wherein a first fixing plate (301) is fixedly connected to one end face of the first rod body (3) far away from the second rod body (4), and second through holes (303) are arranged on four corners of the first fixing plate (301).
3. The underground coal mine ventilation structure convenient for fixing as claimed in claim 1, wherein a second fixing plate (506) is fixedly connected to the top surface of the fixing box (502), and third through holes (507) are arranged on four corners of the second fixing plate (506).
4. The underground coal mine ventilation structure convenient to fix as claimed in claim 1, wherein a third fixing plate (601) is fixedly connected to an end surface of the fourth rod (6) far away from the third rod (5), and fourth through holes (605) are formed in four corners of the third fixing plate (601).
5. The underground coal mine ventilation structure convenient to fix as claimed in claim 1, wherein a first external thread (404) is arranged on the outer wall of one end of the first positioning rod (401) close to the first rod body (3), and a first nut (405) is screwed on the first external thread (404) on the outer side of the first rod body (3);
and a second external thread (508) is arranged on the outer wall of one end, close to the fourth rod body (6), of the second positioning rod (501), and a second nut (509) is in screw fit with the second external thread (508) on the outer side of the fourth rod body (6).
6. The underground coal mine ventilation structure convenient to fix as claimed in claim 1, wherein the upper end of the second limiting strip (602) is fixedly connected with a hanging lug (504), and a limiting hole on the hanging lug (504) is used for being in clearance fit with an inserting column (201) at one end of the supporting rod (2).
7. The underground coal mine ventilation structure convenient to fix as claimed in claim 6, wherein the inserted column (201) is fixedly connected to one side surface of the supporting rod (2), and the other end of the supporting rod (2) on the same side surface is fixedly connected with a first locking bolt (202), and the first locking bolt (202) is used for being matched and fixed with the round head limiting groove (304).
8. The underground coal mine ventilation structure convenient to fix as claimed in claim 1, wherein a fifth through hole (1012) is formed in the first connecting block (1011), a sixth through hole (1022) is formed in the second connecting block (1021), the fifth through hole (1012) and the sixth through hole (1022) are concentrically arranged, and the fifth through hole (1012) and the sixth through hole (1022) are fixed in a matching manner through the second locking bolt (105).
9. The underground coal mine ventilation structure convenient to fix according to claim 1, wherein a third locking bolt (1031) is symmetrically arranged on one side surface of the first clamping plate (103), and one end of the third locking bolt (1031) passes through the first U-shaped limiting groove (606) and/or the second U-shaped limiting groove (505) to be matched and fixed with the seventh through hole (1041) on the second clamping plate (104);
the four corners of the second clamping plate (104) are respectively provided with an internal thread hole (1042), and a fixing bolt is screwed in the internal thread hole (1042).
10. The underground coal mine ventilation structure convenient to fix as claimed in claim 1, wherein the ends of the first U-shaped limiting groove (606) and the second U-shaped limiting groove (505) close to each other are both open, and the width dimensions of the first U-shaped limiting groove (606) and the second U-shaped limiting groove (505) are equal.
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| CN202010775058.9A CN111878167B (en) | 2020-08-05 | 2020-08-05 | Colliery is ventilation structure in pit convenient to it is fixed |
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| CN202010775058.9A CN111878167B (en) | 2020-08-05 | 2020-08-05 | Colliery is ventilation structure in pit convenient to it is fixed |
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| CN111878167B CN111878167B (en) | 2022-06-24 |
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| US20060231689A1 (en) * | 2004-03-10 | 2006-10-19 | Caminita Anthony F | Air duct support |
| CN106437847A (en) * | 2016-12-14 | 2017-02-22 | 郑州游爱网络技术有限公司 | Supporting frame for underground pipeline system building |
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| CN111878167B (en) | 2022-06-24 |
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Effective date of registration: 20220608 Address after: 719000 Da Chang Han Xiang Liu Jia Liang Cun, Fugu County, Yulin City, Shaanxi Province Applicant after: Fugu Yifeng Coal Mine Co.,Ltd. Address before: 230000 Xinzhan headquarters economic Park, north of Yinghe road and east of Tongling North Road, Xinzhan District, Hefei City, Anhui Province Applicant before: Hefei Ertong new energy Co.,Ltd. |
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