CN221000668U - Self-locking connecting device for railway substrate drainage blind ditch - Google Patents
Self-locking connecting device for railway substrate drainage blind ditch Download PDFInfo
- Publication number
- CN221000668U CN221000668U CN202322572303.8U CN202322572303U CN221000668U CN 221000668 U CN221000668 U CN 221000668U CN 202322572303 U CN202322572303 U CN 202322572303U CN 221000668 U CN221000668 U CN 221000668U
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- flange plate
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- ring
- blind ditch
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- 238000007789 sealing Methods 0.000 claims description 17
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- 230000013011 mating Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a self-locking connecting device for a railway substrate drainage blind ditch, which comprises a flange plate a and a flange plate b, wherein the flange plate a and the flange plate b are both arranged at the end part of a pipe body, the flange plate a and the flange plate b are connected through connecting bolts, a locking part is arranged on the flange plate a, a matching part is arranged on the flange plate b, and the bottoms of the flange plate a and the flange plate b are fastened with the matching part through the locking part. The beneficial effects of the utility model are as follows: the flange plate a and the flange plate b are fixedly connected through the connecting bolts, so that two sections of pipe bodies are communicated, and fastening force is applied to the bottoms of the flange plate a and the flange plate b through the locking part and the matching part, so that the phenomenon of water leakage is avoided, and the running safety of a railway train is further ensured.
Description
Technical Field
The utility model relates to the technical field of self-locking flanges, in particular to a self-locking connecting device for a railway substrate drainage blind ditch.
Background
In railway construction, in order to control the groundwater level and ensure the running safety of a train, a drainage blind ditch of a foundation base is designed and installed on the foundation base, and particularly in high-speed railway construction. There are three types of conventional railway foundation drainage blind ditches: gravel blind ditch, assembled underground infiltration drainage blind ditch and integral railway substrate drainage blind ditch. Wherein, the drain pipes of the gravel blind ditch and the assembled underground infiltration drainage blind ditch are corrugated pipes made of PVC materials, and the connection mode is connected by adopting a conventional PVC corrugated pipe socket joint mode, as shown in figure 1; the drainage pipe of the integral railway substrate drainage blind ditch is a special-shaped section drainage pipe formed by adopting a PVC material in a one-time integral extrusion molding mode, and the connection mode of the drainage pipe is special-shaped flange connection, as shown in fig. 2, 3 and 11.
The two connection modes have problems:
1. Problems with conventional PVC bellows socket connections: the drainage blind ditch of the railway substrate is arranged on the original foundation of the roadbed substrate, however, the uneven settlement of the foundation and the application of dynamic load of backfilling and rolling of the roadbed can cause the displacement of the drainage blind ditch buried at the lower part. However, the socket connection is only used for inserting two pipes together, and no longitudinal constraint exists, so that the phenomenon that the pipes are pulled out exists under the action of uneven settlement and decompression dynamic load, the drainage effect of a base blind ditch is completely lost, the water content of a roadbed matrix is increased, the roadbed matrix is deformed, and the damage is caused to the running of a train.
2. The special flange connection has the following problems: through setting up flange at the blind drain both ends, corresponding two flange pass through to the stay bolt and fasten. However, the lower bottom surface of the connecting flange is free from any constraint, so that when two sections of blind ditches are connected, the planar section at the bottom of the blind ditches is free from longitudinal constraint, water leakage phenomenon is easy to occur, the water content of the railway subgrade matrix is increased, and the running safety of a railway train is further influenced.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a self-locking connecting device for a railway substrate drainage blind ditch.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a from locking-type connecting device for railway basement drainage blind ditch, includes ring flange an and ring flange b, ring flange an and ring flange b all install the tip at the body, and ring flange an passes through connecting bolt with ring flange b and is connected, is provided with locking portion on the ring flange an, is provided with mating portion on the ring flange b, and the bottom of ring flange an and ring flange b is fastened with mating portion through locking portion.
Preferably, the locking portion is a groove, and the groove is disposed below the flange plate a.
Preferably, a plurality of bolt holes a are formed in the disc surface of the flange plate a, a sealing groove is formed in the inner side of the bolt hole a, a sealing ring a is arranged in the sealing groove, a connecting section a is arranged on the flange plate a, a plurality of connecting holes a are formed in the connecting section a, and the connecting holes a are used for installing bolts.
Preferably, the bolt holes a and the connecting holes a are formed on the disk surface of the flange plate a at equal intervals.
Preferably, the matching part is a plugboard, the plugboard is arranged below the flange plate b, and the plugboard is matched and installed in the groove.
Preferably, a plurality of bolt holes b corresponding to the bolt holes a are formed in the disc surface of the flange plate b, a connecting section b is arranged on the flange plate b, a plurality of connecting holes b are formed in the connecting section b, and the connecting holes b are used for installing bolts.
Preferably, a connecting ring a is arranged on the disc surface of the flange plate a, the end part of the connecting ring a is connected with one end of the transition section, the other end of the transition section is connected with the fixing section, a plurality of connecting holes c are formed in the fixing section, the fixing section is used for installing a pipe body, and a sealing ring b is arranged between the inner wall of the fixing section and the pipe body.
Preferably, a connecting ring b is arranged on the disc surface of the flange plate b, the end part of the connecting ring b is connected with one end of the transition section b, the other end of the transition section b is connected with the fixing section b, a plurality of connecting holes d are formed in the fixing section b, the fixing section b is used for installing a pipe body, and a sealing ring b is arranged between the inner wall of the fixing section b and the pipe body.
The utility model has the following advantages: according to the utility model, the flange plate a is fixedly connected with the flange plate b through the connecting bolts, so that two sections of pipe bodies are communicated, and fastening force is applied to the bottoms of the flange plate a and the flange plate b through the locking part and the matching part, so that the phenomenon of water leakage is avoided, and the running safety of a railway train is further ensured.
Drawings
FIG. 1 is a schematic diagram of a connection mode of a broken stone blind ditch and an assembled underground infiltration drainage blind ditch;
FIG. 2 is a schematic diagram of an integrated railway foundation drainage blind ditch connection;
FIG. 3 is a schematic view of an alternate view of the integrated railroad bed drainage blind ditch connection;
Fig. 4 is a schematic structural diagram of the installation state of the flange a and the flange b;
FIG. 5 is a schematic view of the structure of the flange plate a;
FIG. 6 is a schematic view of a flange a from another perspective;
FIG. 7 is a schematic view of the structure of the flange b;
FIG. 8 is a schematic view of the structure of the pipe body after being mounted by the flange plate a and the flange plate b;
FIG. 9 is a schematic view of the structure of the connection ring a on the flange plate a;
FIG. 10 is a schematic view of another embodiment of a pipe body after installation;
FIG. 11 is a schematic diagram of a side view of an integrated railroad bed drainage blind ditch connection;
In the figure, a 1-flange plate a, a 2-flange plate b, a 3-groove, a 4-bolt hole b, a 5-bolt hole a, a 6-connecting hole a, a 7-sealing ring a, an 8-connecting hole b, a 9-inserting plate, a 10-connecting bolt, a 11-pipe body, a 12-fixing section, a 13-connecting hole c, a 14-transition section, a 15-connecting ring a, a 16-connecting hole d and a 17-sealing ring b.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In this embodiment, as shown in fig. 4, a self-locking connection device for a drain blind ditch of a railway substrate includes a flange plate a1 and a flange plate b2, wherein the flange plate a1 and the flange plate b2 are both installed at the end of a pipe body 11, the flange plate a1 and the flange plate b2 are connected through a connection bolt 10, a locking part is arranged on the flange plate a1, a matching part is arranged on the flange plate b2, and the bottoms of the flange plate a1 and the flange plate b2 are fastened with the matching part through the locking part. The flange plate a1 and the flange plate b2 are fixedly connected through the connecting bolts 10, so that the two sections of pipe bodies 11 are communicated, and fastening force is applied to the bottoms of the flange plate a1 and the flange plate b2 through the locking part and the matching part, so that the phenomenon of water leakage is avoided, and the running safety of a railway train is further ensured.
Further, as shown in fig. 5 and 6, the locking portion is a groove 3, and the groove 3 is disposed below the flange a 1. Still further, a plurality of bolt holes a5 have been seted up on the quotation of ring flange a1, and the seal groove has been seted up to the inboard of bolt hole a5, is provided with sealing washer a7 in the seal groove, is provided with link a on the ring flange a1, has seted up a plurality of connecting hole a6 on the link a, and connecting hole a6 is used for the mounting bolt. Preferably, the bolt holes a5 and the connecting holes a6 are formed on the disk surface of the flange plate a1 at equal intervals. Specifically, in the production and processing process, both ends of each section of integral blind ditch pass through the connecting hole a6 respectively through the nylon bolt and carry out fixed connection to the blind ditch, and in the installation, the installer inserts cooperation portion in slot 3 at first to avoid behind the connection flange dish a1 and flange dish b2 not having vertical constraint, after cooperation portion inserts slot 3, rethread connecting bolt 10 fastens flange dish a1 and flange dish b2, thereby extrudees sealing washer a7, guarantees the leakproofness that flange dish a1 and flange dish b2 are connected. In this embodiment, the pipe body 11 is an integral railroad bed drain blind ditch.
In the present embodiment, as shown in fig. 7, the fitting portion is a plugboard 9, the plugboard 9 is disposed below the flange b2, and the plugboard 9 is fitted in the groove 3. Further, a plurality of bolt holes b4 corresponding to the bolt holes a5 are formed in the disc surface of the flange plate b2, a connecting section b is arranged on the flange plate b2, a plurality of connecting holes b8 are formed in the connecting section b, and the connecting holes b8 are used for installing bolts. That is, during the installation, the installer first inserts the insert plate 9 into the groove 3, thereby applying a longitudinal constraint to the flange plate a1 and the flange plate b2 after the connection, and then tightens the connection bolt 10 through the bolt hole a5 and the bolt hole b4, and the installed state is shown in fig. 8.
In another embodiment, as shown in fig. 9, a connection ring a15 is disposed on the disc surface of the flange plate a1, the end of the connection ring a is connected with one end of the transition section 14, the other end of the transition section 14 is connected with the fixing section 12, a plurality of connection holes c13 are formed in the fixing section 12, the fixing section 12 is used for installing the pipe body 11, and a sealing ring b17 is disposed between the inner wall of the fixing section 12 and the pipe body 11. Further, as shown in fig. 10, a connection ring b is disposed on the disk surface of the flange plate b2, an end of the connection ring b is connected with one end of the transition section b, the other end of the transition section b is connected with the fixing section b, a plurality of connection holes d16 are formed in the fixing section b, the fixing section b is used for installing the pipe body 11, and a sealing ring b17 is disposed between the inner wall of the fixing section b and the pipe body 11. Specifically, the openings at two ends of the transition section 14 and the transition section b are inconsistent in size, namely, the opening at one end connected with the fixed section is smaller than the opening connected with the connecting ring, in the field installation process, an installer inserts the matching part into the groove 3 at first, so that no longitudinal constraint is avoided between the connected flange plate a1 and the flange plate b2, after the matching part is inserted into the groove 3, the flange plate a1 and the flange plate b2 are fastened through the connecting bolt 10, so that the sealing ring a7 is extruded, the tightness of connection between the flange plate a1 and the flange plate b2 is ensured, two sections of pipe bodies 11 are inserted into the fixed section 12 and the fixed section b respectively, a fixing pin is inserted into the connecting hole c13 and the connecting hole d16, and the pipe bodies 11 are fixedly connected into the fixed section 12 and the fixed section b, wherein the pipe bodies 11 refer to circular corrugated pipes of a broken stone blind ditch or an assembled drainage blind ditch.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. A from locking-type connecting device for railway basement drainage blind ditch, its characterized in that: including ring flange a (1) and ring flange b (2), ring flange a (1) with ring flange b (2) are all installed in the tip of body (11), ring flange a (1) with ring flange b (2) are connected through connecting bolt (10), be provided with locking portion on ring flange a (1), be provided with mating portion on ring flange b (2), ring flange a (1) with the bottom of ring flange b (2) is passed through locking portion with mating portion fastens.
2. The self-locking attachment for a railway foundation drainage blind ditch of claim 1, wherein: the locking part is a groove (3), and the groove (3) is arranged below the flange plate a (1).
3. The self-locking connection for a railway foundation drainage blind ditch according to claim 2, wherein: a plurality of bolt holes a (5) are formed in the disc surface of the flange plate a (1), a sealing groove is formed in the inner side of the bolt hole a (5), a sealing ring a (7) is arranged in the sealing groove, a connecting section a is arranged on the flange plate a (1), a plurality of connecting holes a (6) are formed in the connecting section a, and the connecting holes a (6) are used for mounting bolts.
4. A self-locking attachment for a railway foundation drainage blind ditch according to claim 3, wherein: the bolt holes a (5) and the connecting holes a (6) are formed in the disc surface of the flange plate a (1) at equal intervals.
5. The self-locking attachment for a railway foundation drainage blind ditch of claim 4, wherein: the matching part is a plugboard (9), the plugboard (9) is arranged below the flange plate b (2), and the plugboard (9) is matched and installed in the groove (3).
6. The self-locking attachment for a railway foundation drainage blind ditch of claim 5, wherein: a plurality of bolt holes b (4) corresponding to the bolt holes a (5) are formed in the disc surface of the flange plate b (2), a connecting section b is arranged on the flange plate b (2), a plurality of connecting holes b (8) are formed in the connecting section b, and the connecting holes b (8) are used for installing bolts.
7. The self-locking attachment for a railway foundation drainage blind ditch of claim 6, wherein: the flange plate is characterized in that a connecting ring a (15) is arranged on the disc surface of the flange plate a (1), the end part of the connecting ring a (15) is connected with one end of a transition section (14), the other end of the transition section (14) is connected with a fixed section (12), a plurality of connecting holes c (13) are formed in the fixed section (12), the fixed section (12) is used for installing a pipe body (11), and a sealing ring b (17) is arranged between the inner wall of the fixed section (12) and the pipe body (11).
8. The self-locking attachment for a railway foundation drainage blind ditch of claim 7, wherein: the flange plate b (2) is characterized in that a connecting ring b is arranged on the surface of the flange plate b (2), the end part of the connecting ring b is connected with one end of a transition section b, the other end of the transition section b is connected with a fixed section b, a plurality of connecting holes d (16) are formed in the fixed section b, the fixed section b is used for installing a pipe body (11), and a sealing ring b (17) is arranged between the inner wall of the fixed section b and the pipe body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322572303.8U CN221000668U (en) | 2023-09-21 | 2023-09-21 | Self-locking connecting device for railway substrate drainage blind ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322572303.8U CN221000668U (en) | 2023-09-21 | 2023-09-21 | Self-locking connecting device for railway substrate drainage blind ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221000668U true CN221000668U (en) | 2024-05-24 |
Family
ID=91092945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322572303.8U Active CN221000668U (en) | 2023-09-21 | 2023-09-21 | Self-locking connecting device for railway substrate drainage blind ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221000668U (en) |
-
2023
- 2023-09-21 CN CN202322572303.8U patent/CN221000668U/en active Active
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