CN115849178B - Monorail toothed rail track connection structure - Google Patents
Monorail toothed rail track connection structure Download PDFInfo
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- CN115849178B CN115849178B CN202310171473.7A CN202310171473A CN115849178B CN 115849178 B CN115849178 B CN 115849178B CN 202310171473 A CN202310171473 A CN 202310171473A CN 115849178 B CN115849178 B CN 115849178B
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Abstract
A monorail toothed rail track connecting structure belongs to the technical field of mining machinery, and solves the technical problems that when an elastic cylindrical pin is adopted to connect the monorail toothed rail track, the strength of the elastic cylindrical pin is insufficient and the monorail toothed rail track is easy to break in use, and the solution is as follows: the single-track rack rail connecting structure comprises a double-tooth connecting body and a single-tooth connecting body, wherein the double-tooth connecting body and the single-tooth connecting body are respectively arranged at the head end and the tail end of the rack, and adjacent single-track rack rails are movably connected through the double-tooth connecting body and the single-tooth connecting body; the double-tooth connector comprises a first tooth body and a second tooth body, the single-tooth connector comprises a third tooth body and a connecting plate, a clamping block arranged at the end part of the connecting plate is matched with an arc groove arranged at the end part of the second end part, tooth space is fully utilized, the gap and the connecting tooth distance of a single-track toothed rail track are guaranteed, the welding position and the strength are fully considered on the basis, the higher strength is guaranteed, the risk of fracture is reduced, and in a word, the single-track toothed rail track connecting structure is simple, high in strength, convenient to install, safe and reliable.
Description
Technical Field
The invention belongs to the technical field of mining machinery, and particularly relates to a monorail toothed rail and track connecting structure.
Background
Along with the continuous development of modern mines, the underground mechanical degree of the coal mine is higher and higher, auxiliary transportation equipment, particularly a monorail crane, is widely used, and the monorail track is the basis for the operation of the monorail crane. The monorail crane track hangs on the underground roadway roof, and the track commonly used at present is I140E, I V type and I140C type, and the I140C type monorail rack monorail crane is driven by a gear rack, so that the operation of the large-traction monorail crane can be realized, and the applicable roadway gradient is larger. The connection mode of the I140C type monorail toothed rail track in the current market is elastic cylindrical pin connection, the strength is insufficient, and the track is easy to break in use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and solve the technical problems that when an elastic cylindrical pin is adopted to connect a single-rail toothed rail, the elastic cylindrical pin is insufficient in strength and easy to break in use.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a single track rack rail connection structure, single track rack rail includes double-end rail and rack, and the rack is fixed to be set up on the lower surface of lower railhead in the double-end rail, single track rack rail connection structure includes double-tooth connector and single tooth connector, wherein: the double-tooth connector and the single-tooth connector are respectively arranged at the head end and the tail end of the rack, and adjacent monorail toothed rail tracks are movably connected with the single-tooth connector through the double-tooth connector;
the double-tooth connecting body comprises a first tooth body and a second tooth body, the first tooth body and the second tooth body are arranged along the axial direction of the single-track toothed rail track, the first tooth body is fixedly connected with the end part corresponding to the rack, a tooth groove is arranged between the first tooth body and the second tooth body, and the shape and the size of the tooth groove are the same as those of the tooth groove on the rack; the upper surface of the second tooth body is provided with a concave surface near the outer side, the middle part of the concave surface is concavely provided with an arc groove, the outer side wall and the bottom surface of the arc groove are arc surfaces, and the inner side wall of the arc groove is provided with an inclined surface;
the single-tooth connector comprises a third tooth body and a connecting plate, the shapes and the sizes of the first tooth body and the third tooth body are the same as those of each tooth on the rack, the third tooth body is fixedly connected with the end part corresponding to the rack, the depth and the tooth distance of a groove formed between the outer tooth surface of the third tooth body and the outer tooth surface of the second tooth body are equal to those of a tooth groove of the rack, the tail end of the connecting plate is fixedly connected with the outer wall of the top surface of the third tooth body, the width of the connecting plate is equal to that of the circular groove, a clamping block is arranged below the head end of the connecting plate and is in a tile shape, a limit through groove is arranged at the connecting position of the clamping block and the connecting plate, the outer arc surface of the clamping block is matched with the circular arc surface of the circular groove, the clamping block slides along the circular arc matching surface in the circular groove, and the upper edge of the circular groove is clamped in the limit through groove.
Further, the inner sides of the double-tooth connecting body and the single-tooth connecting body are respectively connected with the racks in a welded mode, and the top surfaces of the double-tooth connecting body and the single-tooth connecting body are welded below the lower rail head of the double-head steel rail.
Further, through holes are formed in the tooth groove positions of the double-tooth connecting body, and the double-tooth connecting body is connected with the lower surface of the lower rail head of the double-head steel rail in a reinforcing mode through overlaying welding through the through holes.
Further, the concave surface is in arc transition connection with the outer tooth surface of the second tooth body.
Further, the lower surfaces of the adjacent monorail toothed rail tracks are in line contact, the adjacent monorail toothed rail tracks swing around the contact line serving as a rotating shaft, and the contact line is the axis of the inner arc surface of the arc groove and the axis of the outer arc surface of the clamping block at the same time.
Further, the first tooth body and the second tooth body are integrally formed, and the third tooth body and the connecting plate are integrally formed.
Further, the bottom surfaces of the first tooth body and the second tooth body are fixedly connected through a frame body in a shape like a Chinese character 'Hui', and the front side wall and the rear side wall of the first tooth body and the second tooth body are fixedly connected through side plates.
Further, the frame body, the side plates, the first tooth body and the second tooth body are integrally formed. Compared with the prior art, the invention has the beneficial effects that:
the invention is used for connecting the monorail toothed rail tracks, the connecting structure formed by the double-tooth connecting body and the single-tooth connecting body fully utilizes the tooth space, and the gap and the connecting tooth distance of the monorail toothed rail tracks are ensured by the rotating pair formed by the double-tooth connecting body and the single-tooth connecting body.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic perspective view of a double tooth connector;
FIG. 3 is a schematic view of a bottom view of a double-tooth connector;
FIG. 4 is a schematic perspective view of a single tooth connector;
FIG. 5 is a schematic view of the assembled structure of the present invention and a single-track rack rail;
FIG. 6 is a schematic view of the usage status structure of the present invention;
FIG. 7 is a schematic view of the structure of the device in the use state (the included angle opening of the track axis of the monorail toothed rail on both sides is upward);
FIG. 8 is a schematic view of the structure of the device in the use state (the included angle of the track axis of the monorail toothed rail on both sides is opened downwards);
FIG. 9 is a schematic perspective view of a double tooth connector in example 2;
FIG. 10 is a schematic view showing a sectional front view of a double tooth connector in example 2;
fig. 11 is a schematic bottom view of the double tooth connector in example 2.
In the figure: 1 is a double-head steel rail, 2 is a rack, 3 is a double-tooth connector, 3-1 is a first tooth body, 3-2 is a second tooth body, 3-3 is a concave surface, 3-4 is an arc groove, 3-5 is a through hole, 3-6 is a frame body, 3-7 is a side plate, 4 is a single-tooth connector, 4-1 is a third tooth body, 4-2 is a connecting plate, 4-3 is a clamping block, and 4-4 is a limiting through groove.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
Example 1
The utility model provides a single track rack rail connection structure as shown in fig. 1 to 5, single track rack rail includes double-end rail 1 and rack 2, and rack 2 is fixed to be set up on the lower surface of lower railhead in double-end rail 1, single track rack rail connection structure includes double-tooth connector 3 and single-tooth connector 4, wherein: the double-tooth connector 3 and the single-tooth connector 4 are respectively arranged at the head end and the tail end of the rack 2, and adjacent monorail toothed rail tracks are movably connected through the double-tooth connector 3 and the single-tooth connector 4;
the double-tooth connector 3 comprises a first tooth body 3-1 and a second tooth body 3-2, wherein the first tooth body 3-1 and the second tooth body 3-2 are arranged along the axis direction of a single-track rack rail, the first tooth body 3-1 is fixedly connected with the corresponding end part of the rack 2, a tooth groove is arranged between the first tooth body 3-1 and the second tooth body 3-2, and the shape and the size of the tooth groove are the same as those of the tooth groove on the rack 2; a concave surface 3-3 is arranged on the upper surface of the second tooth body 3-2 near the outer side, an arc groove 3-4 is concavely arranged in the middle of the concave surface 3-3, the outer side wall and the bottom surface of the arc groove 3-4 are arc surfaces, and the inner side wall of the arc groove 3-4 is an inclined surface;
the single-tooth connecting body 4 comprises a third tooth body 4-1 and a connecting plate 4-2, the shape and the size of the first tooth body 3-1 and the shape and the size of each tooth on the rack 2 are the same, the end part of the third tooth body 4-1 corresponding to the rack 2 is fixedly connected, the depth and the tooth pitch of a groove formed between the outer tooth surface of the third tooth body 4-1 and the outer tooth surface of the second tooth body 3-2 are equal to the tooth groove depth and the tooth pitch of the rack 2, the tail end of the connecting plate 4-2 is fixedly connected with the outer wall of the top surface of the third tooth body 4-1, the width of the connecting plate 4-2 is equal to the width of the circular arc groove 3-4, a clamping block 4-3 is arranged below the head end of the connecting plate 4-2, the clamping block 4-3 is in a tile shape, a limiting through groove 4-4 is arranged at the connecting position of the clamping block 4-3 and the connecting plate 4-2, the outer arc surface of the clamping block 4-3 is matched with the circular arc surface of the circular arc groove 3-4, the clamping block 4-3 slides in the circular arc groove 3-4 along the matching surface, and the upper edge of the circular arc groove 3-4 is limited in the limiting groove 4-4.
Further, the inner sides of the double-tooth connector 3 and the single-tooth connector 4 are respectively welded with the rack 2, and the top surfaces of the double-tooth connector 3 and the single-tooth connector 4 are welded below the lower rail head of the double-head steel rail 1.
Further, through holes 3-5 are formed in the tooth groove positions of the double-tooth connecting body 3, and the double-tooth connecting body 3 is connected with the lower surface of the lower rail head of the double-head steel rail 1 in a reinforcing mode through surfacing welding through the through holes 3-5.
Further, the concave surface 3-3 is in arc transition connection with the outer tooth surface of the second tooth body 3-2.
Further, the lower surfaces of the adjacent monorail toothed rail tracks are in line contact, the adjacent monorail toothed rail tracks swing around the contact line serving as a rotating shaft, and the contact line is simultaneously the axis of the inner arc surface of the arc groove 3-4 and the axis of the outer arc surface of the clamping block 4-3. The contact line coincides with the rotation center of the upper end of the monorail toothed rail track, so that the change of the width of a tooth slot is minimum when the monorail toothed rail track swings up and down, and the passing requirement of a locomotive is met.
Further, the first tooth body 3-1 and the second tooth body 3-2 are integrally formed, and the third tooth body 4-1 and the connecting plate 4-2 are integrally formed.
The use process of the single-track toothed rail connecting structure provided by the invention is shown in fig. 6 to 8, wherein the hanging structure above the single-track toothed rail is the same as the connecting structure of the single-track rail (patent number: 202210477835.0). When the two monorail toothed rail tracks are actually used, a certain swinging angle is formed between the upper part and the lower part of the two monorail toothed rail tracks, as shown in fig. 7, when the included angle opening of the axes of the monorail toothed rail tracks on the two sides is upward, the upper edge of the circular arc groove 3-4 is separated from the limit through groove 4-4, the outer side wall of the clamping block 4-3 approaches the inner side wall of the circular arc groove 3-4, and the requirement of upward swinging of the monorail toothed rail tracks is met; as shown in fig. 8, when the included angle opening of the track axes of the monorail toothed rails on two sides is downward, the upper edge of the circular arc groove 3-4 abuts against the bottom surface of the limit through groove 4-4, so that the requirement of downward swinging of the monorail toothed rails is met.
Example 2
As shown in fig. 9 to 11, this embodiment 2 differs from embodiment 1 only in that: the bottom surfaces of the first tooth body 3-1 and the second tooth body 3-2 are fixedly connected through a frame body 3-6 in a shape like a Chinese character 'Hui', and the front side wall and the rear side wall of the first tooth body 3-1 and the second tooth body 3-2 are fixedly connected through a side plate 3-7. Further, the frame 3-6, the side plate 3-7, the first tooth 3-1 and the second tooth 3-2 are integrally formed.
The bottoms of the first tooth body 3-1 and the second tooth body 3-2 are connected through the frame body 3-6 in the shape of a Chinese character 'Hui', and the tooth bodies of the first tooth body 3-1 and the second tooth body 3-2 are connected through the side plates 3-7, so that the integral strength of the double-tooth connecting body 3 is improved, and the first tooth body 3-1 and the second tooth body 3-2 are prevented from being broken in the using process.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a single track rack rail connection structure, single track rack rail includes double-end rail (1) and rack (2), and rack (2) are fixed to be set up on the lower surface of lower railhead in double-end rail (1), single track rack rail connection structure includes double-tooth connector (3) and single-tooth connector (4), its characterized in that: the double-tooth connector (3) and the single-tooth connector (4) are respectively arranged at the head end and the tail end of the rack (2), and adjacent monorail toothed rail tracks are movably connected with the single-tooth connector (4) through the double-tooth connector (3);
the double-tooth connecting body (3) comprises a first tooth body (3-1) and a second tooth body (3-2), the first tooth body (3-1) and the second tooth body (3-2) are arranged along the axis direction of the single-track rack rail, the first tooth body (3-1) is fixedly connected with the corresponding end part of the rack (2), a tooth groove is arranged between the first tooth body (3-1) and the second tooth body (3-2), and the shape and the size of the tooth groove are the same as those of the tooth groove on the rack (2); a concave surface (3-3) is arranged on the upper surface of the second tooth body (3-2) near the outer side, an arc groove (3-4) is concavely arranged in the middle of the concave surface (3-3), the outer side wall and the bottom surface of the arc groove (3-4) are arc surfaces, and the inner side wall of the arc groove (3-4) is an inclined surface;
the single-tooth connecting body (4) comprises a third tooth body (4-1) and a connecting plate (4-2), the shape and the size of the first tooth body (3-1) and the third tooth body (4-1) are the same as those of each tooth on the rack (2), the end part of the third tooth body (4-1) corresponding to the rack (2) is fixedly connected, the depth and the tooth pitch of a groove formed between the outer tooth surface of the third tooth body (4-1) and the outer tooth surface of the second tooth body (3-2) are equal to those of the tooth groove of the rack (2), the tail end of the connecting plate (4-2) is fixedly connected with the outer wall of the top surface of the third tooth body (4-1), the width of the connecting plate (4-2) is equal to that of the circular arc groove (3-4), a clamping block (4-3) is arranged below the head end of the connecting plate (4-2), the clamping block (4-3) is in a tile shape, a limit through groove (4-4) is arranged at the connecting position of the clamping block (4-3) and the connecting position of the clamping block (4-2) is matched with the circular arc groove (4-3) along the circular arc groove (4-3), the upper edge of the circular arc groove (3-4) is clamped in the limit through groove (4-4).
2. A monorail toothed rail track connection according to claim 1, characterized in that: the inner side of the double-tooth connecting body (3) and the inner side of the single-tooth connecting body (4) are respectively connected with the rack (2) in a welding way, and the top surfaces of the double-tooth connecting body (3) and the single-tooth connecting body (4) are welded below the lower rail head of the double-head steel rail (1).
3. A monorail toothed rail track connection according to claim 2, characterized in that: and a through hole (3-5) is arranged at the tooth slot position of the double-tooth connecting body (3), and the double-tooth connecting body (3) is connected with the lower surface of the lower rail head of the double-head steel rail (1) in a reinforcing way through the through hole (3-5) by overlaying.
4. A monorail toothed rail track connection according to claim 1, characterized in that: the concave surface (3-3) is in arc transition connection with the outer tooth surface of the second tooth body (3-2).
5. A monorail toothed rail track connection according to claim 1, characterized in that: the lower surfaces of the adjacent monorail toothed rail tracks are in line contact, the adjacent monorail toothed rail tracks swing around the contact line serving as a rotating shaft, and the contact line is simultaneously the axis of the inner arc surface of the arc groove (3-4) and the axis of the outer arc surface of the clamping block (4-3).
6. A monorail toothed rail track connection according to claim 1, characterized in that: the first tooth body (3-1) and the second tooth body (3-2) are integrally formed, and the third tooth body (4-1) and the connecting plate (4-2) are integrally formed.
7. A monorail toothed rail track connection according to claim 1, characterized in that: the bottom surfaces of the first tooth body (3-1) and the second tooth body (3-2) are fixedly connected through a frame body (3-6) in a shape like a Chinese character 'hui', and the front side wall and the rear side wall of the first tooth body (3-1) and the second tooth body (3-2) are fixedly connected through side plates (3-7).
8. A monorail toothed rail track connection as defined in claim 7, wherein: the frame body (3-6), the side plates (3-7), the first tooth body (3-1) and the second tooth body (3-2) are integrally formed.
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CN202310171473.7A CN115849178B (en) | 2023-02-28 | 2023-02-28 | Monorail toothed rail track connection structure |
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CN202310171473.7A CN115849178B (en) | 2023-02-28 | 2023-02-28 | Monorail toothed rail track connection structure |
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CN115849178B true CN115849178B (en) | 2023-04-25 |
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CN215104321U (en) * | 2021-05-27 | 2021-12-10 | 枣庄新远大装备制造有限公司 | Fish mouth type combined rack rail |
CN114351514A (en) * | 2021-12-21 | 2022-04-15 | 重庆交通大学 | Be used for regional tooth pitch adjusting device in Strub formula cogged rail railway bridge clearance |
CN216474281U (en) * | 2021-09-16 | 2022-05-10 | 秦皇岛鸿鼎轻工机械技术有限公司 | Circular arc track structure of rack rail |
CN114572820A (en) * | 2022-05-05 | 2022-06-03 | 太原矿机电气股份有限公司 | Single track connection structure |
CN216737227U (en) * | 2022-05-09 | 2022-06-14 | 太原矿机电气股份有限公司 | Ready-package monorail connection and suspension mechanism |
CN115217003A (en) * | 2022-07-28 | 2022-10-21 | 中铁二院工程集团有限责任公司 | Seamless rack self-adaptation telescopic adjusting system |
CN115340006A (en) * | 2022-08-12 | 2022-11-15 | 云南星石科技有限公司 | Hinge device for connecting toothed rails |
CN115404727A (en) * | 2022-09-20 | 2022-11-29 | 成都天府轨谷科技有限公司 | Straddle type monorail beam transition rack rail structure and straddle type monorail beam structure |
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2023
- 2023-02-28 CN CN202310171473.7A patent/CN115849178B/en active Active
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JPH09209302A (en) * | 1996-02-01 | 1997-08-12 | Nikkari Co Ltd | Connected structure of rack-equipped rail |
CN209890092U (en) * | 2018-11-06 | 2020-01-03 | 云南星石科技有限公司 | Single-rail hanger rack rail and hanger thereof |
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CN115217003A (en) * | 2022-07-28 | 2022-10-21 | 中铁二院工程集团有限责任公司 | Seamless rack self-adaptation telescopic adjusting system |
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CN115404727A (en) * | 2022-09-20 | 2022-11-29 | 成都天府轨谷科技有限公司 | Straddle type monorail beam transition rack rail structure and straddle type monorail beam structure |
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