CN222921416U - A large-span rigid contact network intermediate suspension device - Google Patents
A large-span rigid contact network intermediate suspension device Download PDFInfo
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- CN222921416U CN222921416U CN202421719204.6U CN202421719204U CN222921416U CN 222921416 U CN222921416 U CN 222921416U CN 202421719204 U CN202421719204 U CN 202421719204U CN 222921416 U CN222921416 U CN 222921416U
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- pulley
- suspension device
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- rigid contact
- lower anchor
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Abstract
The utility model discloses a large-span rigid contact net middle suspension device, which relates to the technical field of urban rail transit power supply equipment and comprises a pulley assembly and two groups of symmetrically distributed fixing assemblies, wherein each fixing assembly comprises a lower anchor bottom plate, a supporting plate, a connecting plate, an insulator and a fixing sleeve, the lower anchor bottom plates are fixed on a stress plane through four anchor bolts, the supporting plates are connected with the lower anchor bottom plates through bolts and nuts, one end of the insulator is fixedly connected with the supporting plates through the connecting plates. Meanwhile, compared with the method of setting the suspension point by using a long I-shaped steel, the method has better economy and can effectively improve the reliability of engineering.
Description
Technical field:
The utility model relates to the technical field of urban rail transit power supply equipment, in particular to a large-span rigid contact net middle suspension device.
The background technology is as follows:
The contact net specialty is a very important component in the power supply system, and because of its lack of redundancy, the requirements for its reliability are very high. When the overhead contact system fails, the safety of train running is greatly affected. In the urban rail transit field, the rigid contact net is mostly utilized to take current through the pantograph, but the installation position of the suspension point in certain special sections is a hollow structure, and no installation condition exists, so that the traditional rigid contact net suspension device cannot be arranged. Therefore, a large-span rigid contact net middle suspension device needs to be provided for installing the rigid contact net in a special section, so that the reliability of a rigid contact net-shaped system is ensured to be improved by a designed span.
In the prior art, the utility model patent with the publication number of CN218616344U discloses a large-span rigid contact net suspension installation device for a station, but the installation mode is limited in applicable scene, only aims at large-span installation in the station, and meanwhile, when the span is too large, the length of required transverse I-steel is longer, which can cause the problems of reduction of rigidity of suspension points, increase of cost and the like, so the utility model provides the large-span rigid contact net intermediate suspension device.
The invention comprises the following steps:
The utility model aims to provide a large-span rigid overhead contact system middle suspension device for solving the problem of special sections of urban rail transit, in which the traditional rigid overhead contact system suspension device cannot be installed and arranged.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
The utility model provides a suspension in middle of large-span rigidity contact net, includes pulley assembly and two sets of symmetric distribution's fixed subassembly, fixed subassembly includes anchor bottom plate, backup pad, connecting plate, insulator, fixed sleeve down, anchor bottom plate passes through four crab-bolts to be fixed on the atress plane down, be connected through bolt nut between backup pad and the anchor bottom plate down, insulator one end passes through connecting plate and backup pad fixed connection, and the other end of insulator passes through bolt nut to be connected and fixes on fixed sleeve.
Further, the pulley assembly comprises a pulley and a thread, two ends of the thread are respectively connected with the two groups of fixed sleeves, and the thread is connected with the pulley.
Further, the pulley assembly further comprises two clamping claws, the two clamping claws are fixedly connected together through two bolts, the two clamping claws are connected with a busbar together, the two clamping claws which are fixed together slide on the busbar, a support column is fixedly arranged above the two clamping claws which are fixed together, a pulley support is fixedly arranged on the support column, a pulley shaft is arranged in the pulley support, and the pulley shaft is connected with a pulley.
Further, the connection plate rotates along the support plate.
Further, the thread is fixedly connected with the fixed sleeve through a wedge.
The utility model is suitable for large-span overhead line installation without installation conditions in the traditional installation mode of the suspension points, the suspension points are installed at the positions with larger spans in a thread suspension mode, the installation and adjustment process is simple and convenient, the installation and adjustment process only needs to be anchored and installed on any stress plane, the construction time can be saved, and the construction progress can be ensured. Meanwhile, compared with the method of setting the suspension point by using a long I-shaped steel, the method has better economy and can effectively improve the reliability of engineering.
Description of the drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;
Fig. 3 is a sectional view in the direction B-B of fig. 2.
The reference numerals comprise a 1-lower anchor bottom plate, a 2-supporting plate, a 3-connecting plate, a 4-insulator, a 5-fixed sleeve, a 6-wire, a 7-bus bar, an 8-pulley bracket, a 9-pulley, a 10-claw, an 11-bolt and a 12-bracket post.
The specific embodiment is as follows:
The present utility model will be described in detail below with reference to the drawings and the specific embodiments, so that those skilled in the art can better understand the technical solutions of the present utility model.
The middle suspension device of the large-span rigid contact net comprises a pulley assembly and two groups of symmetrically distributed fixing assemblies, and comprises a lower anchor bottom plate 1, a supporting plate 2, a connecting plate 3, an insulator 4 and a fixing sleeve 5, wherein the lower anchor bottom plate 1 is fixed on any stress plane through four anchor bolts, the fixing position is not limited to a concrete wall surface or a contact net support post and the like, the supporting plate 2 is connected with the lower anchor bottom plate 1 through bolts and nuts, one end of the insulator 4 is fixedly connected with the supporting plate 2 through the connecting plate 3, the other end of the insulator 4 is connected with the fixing sleeve 5 through bolts and nuts, and the installation and fixing mode is similar to that of a conventional contact net lower anchor.
The pulley assembly comprises a pulley 9 and a thread 6, wherein two ends of the thread 6 are respectively connected with the two groups of fixed sleeves 5, the thread 6 is fixedly connected with the fixed sleeves 5 through wedges, the thread 6 is connected with the pulley 9, and the thread 6 bears the downward stress of a hanging point.
The pulley assembly further comprises two clamping claws 10, the two clamping claws 10 are fixedly connected together through two bolts 11, the two clamping claws 10 are jointly connected with the busbar 7, the two clamping claws 10 fixed together slide on the busbar 7, a support column 12 is fixedly arranged above the two clamping claws 10 fixed together, a pulley support 8 is fixedly arranged on the support column 12, a pulley shaft is arranged in the pulley support 8, and the pulley shaft is connected with the pulley 9
The pulley assembly further comprises two clamping jaws 10, the two clamping jaws 10 are fixedly connected together through two bolts 11, the two clamping jaws 10 are fixedly connected together to clamp the busbar 7, the two clamping jaws 10 are fixedly connected together to slide on the busbar 7 so as to prevent clamping stagnation of the busbar 7 due to expansion caused by heat and contraction caused by cold, semicircular holes are formed in the clamping jaws 10, the two clamping jaws 10 are fixedly connected together to form a complete hole, the bracket column 12 penetrates through the complete hole formed by the two clamping jaws 10 from the lower part and is fixedly connected through nuts, and threaded holes are formed in the top of the bracket column 12.
The pulley bracket 8 is fixed through screw holes screwed into the top of the bracket column 12, a pulley shaft is arranged in the pulley bracket 8, the pulley 9 rotates on the pulley shaft, the connecting plate 3 rotates along the supporting plate 2, and the lower anchor bottom plate 1, the supporting plate 2, the connecting plate 3, the fixed sleeve 5 and the clamping jaw 10 are all made of Q235B carbon structural steel.
The present utility model has been described in detail by way of examples, but the description is merely exemplary of the utility model and should not be construed as limiting the scope of the utility model. The scope of the utility model is defined by the claims. In the technical scheme of the utility model, or under the inspired by the technical scheme of the utility model, similar technical schemes are designed to achieve the technical effects, or equivalent changes and improvements to the application scope are still included in the protection scope of the patent coverage of the utility model.
Claims (5)
1. A large-span rigid contact net middle suspension device is characterized by comprising a pulley assembly and two groups of symmetrically distributed fixing assemblies, wherein each fixing assembly comprises a lower anchor bottom plate (1), a supporting plate (2), a connecting plate (3), an insulator (4) and a fixing sleeve (5), the lower anchor bottom plates (1) are fixed on a stress plane through four anchor bolts, the supporting plates (2) are connected with the lower anchor bottom plates (1) through bolts and nuts, one ends of the insulators (4) are fixedly connected with the supporting plates (2) through the connecting plate (3), and the other ends of the insulators (4) are fixedly connected with the fixing sleeve (5) through bolts and nuts.
2. The middle suspension device of the large-span rigid contact net, as set forth in claim 1, wherein the pulley assembly comprises a pulley (9) and a rope (6), two ends of the rope (6) are respectively connected with two groups of fixed sleeves (5), and the rope (6) is connected with the pulley (9).
3. The middle suspension device of the large-span rigid contact net is characterized in that the pulley assembly further comprises two clamping jaws (10), the two clamping jaws (10) are fixedly connected together through two bolts (11), the two clamping jaws (10) are commonly connected with a busbar (7), the two clamping jaws (10) fixed together slide on the busbar (7), a support column (12) is fixedly arranged above the two clamping jaws (10) fixed together, a pulley support (8) is fixedly arranged on the support column (12), and a pulley shaft is arranged in the pulley support (8) and is connected with a pulley (9).
4. A large-span rigid catenary intermediate suspension device according to claim 1, wherein the connecting plate (3) rotates along the supporting plate (2).
5. A large span rigid catenary intermediate suspension device according to claim 2, characterized in that the wire (6) is fixedly connected with the fixed sleeve (5) by means of a wedge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421719204.6U CN222921416U (en) | 2024-07-19 | 2024-07-19 | A large-span rigid contact network intermediate suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421719204.6U CN222921416U (en) | 2024-07-19 | 2024-07-19 | A large-span rigid contact network intermediate suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222921416U true CN222921416U (en) | 2025-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421719204.6U Active CN222921416U (en) | 2024-07-19 | 2024-07-19 | A large-span rigid contact network intermediate suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222921416U (en) |
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2024
- 2024-07-19 CN CN202421719204.6U patent/CN222921416U/en active Active
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