CN218124188U - Subway contact net door-shaped roof beam department cable fixing device - Google Patents
Subway contact net door-shaped roof beam department cable fixing device Download PDFInfo
- Publication number
- CN218124188U CN218124188U CN202221105587.9U CN202221105587U CN218124188U CN 218124188 U CN218124188 U CN 218124188U CN 202221105587 U CN202221105587 U CN 202221105587U CN 218124188 U CN218124188 U CN 218124188U
- Authority
- CN
- China
- Prior art keywords
- cable
- bridge
- door
- fixing
- cross arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a subway contact net door-shaped beam department cable fixing device, which is formed by splicing a plurality of cable fixing units through connecting components, wherein each cable fixing unit comprises a door-shaped beam connecting mechanism and a cable laying mechanism, and the cable laying mechanisms are symmetrically arranged on two sides of the door-shaped beam connecting mechanism; the gantry beam connecting mechanism comprises a bridge cross arm, a hoop and long bolts, wherein long bolt holes are arranged on the left side and the right side of the centered position of the bridge cross arm at intervals, hoop bolt holes are arranged on the positions, corresponding to the long bolt holes, on the two sides of the hoop, and the hoop is connected above the bridge cross arm through the long bolts arranged on the two sides; and cable laying mechanisms are symmetrically arranged on the bridge cross arms on the two sides of the portal beam connecting structure. The utility model has the advantages of scientific and reasonable design, have the installation simple and direct, shorten the engineering time, improve construction precision, safe and reliable, reduce construction cost, easily realize, be convenient for cable laying and fix.
Description
Technical Field
The utility model belongs to subway construction equipment field relates to a subway contact net cable fixing device, especially a subway contact net door-shaped roof beam department cable fixing device.
Background
During the electrical construction of the subway, the cable needs to be erected by means of the door-shaped beam, and then the cable is connected with a contact net. At present, the method for laying cables on a portal beam comprises the following steps: and cable fixing frames are uniformly distributed on the door-shaped beam at intervals through screws, then the cables are penetrated and installed on the cable fixing frames one by one, and after all the cables are penetrated and installed, each cable is bound and fixed with the corresponding cable fixing frame through a nylon binding belt.
The existing construction method has the following problems: 1, cable fixing frames are installed one by one, and measurement intervals are needed during installation, so that the operation is complicated, and time and labor are wasted; 2, during cable laying, the front end of the cable fixing frame to be penetrated and installed is temporarily fixed so as to be penetrated and installed, and the problems of inconvenient operation and influence on cable laying efficiency still exist.
Disclosure of Invention
An object of the utility model is to provide a structural design scientific and reasonable, the installation rate is fast, shorten the engineering time, improve construction precision, safe and reliable, reduce construction cost, for the subway contact net door-shaped roof beam department cable fixing device who provides powerful guarantee in subway contact net cable construction, detection.
The utility model provides a its technical problem realize through following technical scheme:
the utility model provides a subway contact net door type roof beam department cable fixing device which characterized in that: the cable fixing unit is formed by splicing a plurality of cable fixing units through connecting components, each cable fixing unit comprises a door-shaped beam connecting mechanism and a cable laying mechanism, and the cable laying mechanisms are symmetrically arranged on two sides of each door-shaped beam connecting mechanism; the portal beam connecting mechanism comprises a bridge cross arm, anchor ears and long bolts, wherein the left side and the right side of the centered position of the bridge cross arm are provided with long bolt holes at intervals, the positions of the two sides of the anchor ears, which correspond to the long bolt holes, are provided with anchor ear bolt holes, and the anchor ears are connected above the bridge cross arm through the long bolts arranged on the two sides; and cable laying mechanisms are symmetrically arranged on the bridge cross arms on the two sides of the portal beam connecting structure.
And the gantry beam connecting mechanism further comprises a close-fitting plate, two close-fitting plates which are arranged at intervals are symmetrically arranged between the two long bolt holes on the bridge cross arm, and a gantry beam pipe clamping position is formed between the two close-fitting plates.
And the anchor ear consists of an arc-shaped section and horizontal sections which extend outwards and horizontally at two sides of the arc-shaped section, and a reinforcing plate is arranged at the included angle between the arc-shaped section and the horizontal sections.
The cable laying mechanism comprises a ladder-type cable bridge, a pressing sheet, a fixing bolt and a nylon cable tie, wherein a fixing bolt hole is formed in a bridge cross arm, the pressing sheet is composed of a first straight section, a vertical section and a second straight section which are integrally formed, the first straight section is bent on one side of the top of the vertical section, the second straight section is bent on the other end of the bottom of the vertical section, a hole matched with the fixing bolt hole is formed in the second straight section, the first straight section of the pressing sheet is pressed at two ends of the ladder-type cable bridge, and the second straight section of the pressing sheet is connected to the bridge cross arm through the fixing bolt; the cable is fixed on the ladder type cable bridge through a nylon cable tie.
And the cable fixing unit also comprises a level bubble, and the level bubble is arranged between the portal beam connecting mechanism and the cable laying mechanism on the bridge cross arm.
Moreover, the cable fixing unit further comprises a measuring scale, and the measuring scale is arranged in the length direction of the ladder-type cable bridge.
The connecting assembly comprises a bridge connecting piece, connecting bolts and connecting lines, when the cable fixing units are spliced in pairs, the end faces of the two ladder-type cable bridges are butted, the bridge connecting piece is arranged on the outer side of the butted position, the connecting bolts connected to the two ladder-type cable bridges are respectively installed on the bridge connecting piece, and the connecting lines are connected between the two connecting bolts.
And the cable tie is characterized by also comprising insulation protection pads, wherein the insulation protection pads are arranged at the positions of the ladder-type cable bridges at the head and the tail, which are bound with nylon tie tapes.
The utility model discloses an advantage and beneficial effect do:
1. according to the cable fixing device at the door-shaped beam of the local iron contact network, the existing single-connection type cable fixing frame is designed into a multi-connection type, so that the purpose of quickly installing the cable laying frame on the door-shaped beam is achieved, and during installation, all cable fixing units are directly spliced, so that the complicated process of measuring the distance is omitted; meanwhile, one cable fixing unit can penetrate a plurality of cables, one cable at the cable fixing unit is used for being connected with a contact net at the position after drooping, other cables continue to penetrate forwards, the cable fixing unit plays a role in supporting the cables, and the process of temporarily fixing the cables is omitted.
2. According to the cable fixing device for the local iron contact net door-shaped beam, the door-shaped beam connecting mechanism is designed into a hoop connecting mode, so that the connecting stability of the door-shaped beam is enhanced; the arrangement of the close pasting plates ensures that the bridge frame cross arm is in close contact with the door-shaped beam without loosening, and the overall stability of the cross arm is improved; the hoop strength is improved due to the arrangement of the reinforcing plates at the end parts of the two sides of the hoop, and the fracture of the hoop is avoided.
3. According to the cable fixing device at the door-shaped beam of the local iron contact network, two lines of ladder-type cable bridges are symmetrically fixed on the bridge cross arm through the matching of the pressing sheets and the fixing bolts on two sides of the door-shaped beam, so that the stress balance is realized, and the integral stability is ensured; the ladder type cable bridge is spliced and extended in the length direction of the door-shaped beam, so that cables can be smoothly laid and fixed, the cable laying and fixing efficiency is powerfully improved, and the cables can be subjected to standardized construction and protection; the structure of the ladder-type cable bridge can enable cables to smoothly droop and pass through cross braces of the ladder-type cable bridge, and the cables are connected with a contact net after drooping conveniently.
4. The cable fixing device at the door-shaped beam of the local iron contact network can be used by matching the bridge connecting sheet with the connecting bolt, so that the ladder-type cable bridge can be closely and physically communicated in the length direction, and the integral stability in the length direction is improved; meanwhile, the connecting bolts are matched with the connecting lines, so that the ladder type cable bridges on the two sides of the cross arm can be respectively kept in integral electrical communication, and electrostatic hazard is avoided.
5. Local indisputable contact net door type roof beam department cable fixing device through the setting of air level, can ensure to keep the horizontality when crane span structure cross arm installation, avoids the unequal height of both sides tip, in time eliminates unstable factor and defect.
6. Local indisputable contact net door type roof beam department cable fixing device through in ladder formula cable testing bridge side, is provided with the dipperstick that can decide cable laying length along length direction, can effectively decide cable laying length, avoids blind cable laying, eliminates visual error.
7. The cable fixing device at the door-shaped beam of the local iron contact net can protect the cable from being damaged and improve the reliability of the cable by arranging the insulating protection pad at the position where the nylon cable tie fixes the cable.
8. The utility model has the advantages of scientific and reasonable design, have that the installation is simple and direct, shorten the engineering time, improve construction precision, safe and reliable, reduce construction cost, easily realize, be convenient for cable laying and fix etc, be a contact net door type roof beam department cable fixing device who has higher novelty.
Drawings
Fig. 1 is a side view of the present invention;
fig. 2 is a schematic structural view illustrating the connection assembly of the present invention;
fig. 3 is a schematic structural view of the installation of the present invention on a door beam.
Description of reference numerals:
1-bridge cross arm, 2-close pasting plate, 3-anchor ear, 4-anchor ear bolt hole, 5-reinforcing plate, 6-long bolt, 7-long bolt hole, 8-portal beam, 9-ladder type cable bridge, 10-pressing sheet, 11-fixing bolt, 12-fixing bolt hole, 13-bridge connecting sheet, 14-connecting bolt, 15-connecting line, 16-cable, 17-nylon ribbon, 18-level bubble, 19-measuring scale, 20-insulating protection pad and 21-contact net.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
The utility model provides a subway contact net door type roof beam department cable fixing device which innovation part lies in: the cable fixing unit is formed by splicing a plurality of cable fixing units through connecting components, each cable fixing unit comprises a door-shaped beam connecting mechanism and a cable laying mechanism, and the cable laying mechanisms are symmetrically arranged on two sides of each door-shaped beam connecting mechanism; the portal beam connecting mechanism comprises a bridge cross arm 1, an anchor ear 3 and long bolts 6, wherein long bolt holes 7 are arranged at the left side and the right side of the middle position of the bridge cross arm at intervals, anchor ear bolt holes 4 are arranged at the positions corresponding to the long bolt holes at the two sides of the anchor ear, and the anchor ear is connected above the bridge cross arm through the long bolts arranged at the two sides; and cable laying mechanisms are symmetrically arranged on the bridge cross arms on the two sides of the portal beam connecting structure. The bridge cross arms are uniformly and fixedly installed along the length direction of the portal beam at intervals of 1.5 meters, and the ladder-type cable bridge (100 × 200 × 2000mm) is fixed on the bridge cross arms by adopting pressing sheets and fixing bolts.
The gantry beam connecting mechanism further comprises a close-fitting plate 2, two close-fitting plates arranged at intervals are symmetrically arranged between the two long bolt holes on the bridge cross arm, and a gantry beam pipe clamping position is formed between the two close-fitting plates.
The hoop is composed of an arc-shaped section and horizontal sections which extend outwards and horizontally on two sides of the arc-shaped section, and reinforcing plates 5 are arranged at included angles of the arc-shaped section and the horizontal sections.
The cable laying mechanism comprises a ladder-type cable bridge 9, a pressing sheet 10, a fixing bolt 11 and a nylon cable tie 17, wherein a fixing bolt hole 12 is formed in a bridge cross arm, the pressing sheet is composed of a first straight section, a vertical section and a second straight section which are integrally formed, the first straight section is bent on one side of the top of the vertical section, the second straight section is bent on the other end of the bottom of the vertical section, a hole matched with the fixing bolt hole is formed in the second straight section, the first straight section of the pressing sheet is pressed and connected to the two ends of the ladder-type cable bridge through the fixing bolt, and the second straight section of the pressing sheet is connected to the bridge cross arm through the fixing bolt; the cable is fixed on the cross arm of the ladder type cable bridge through a nylon cable tie.
The cable fixing unit further comprises a level bubble 18, and the level bubble is arranged between the portal beam connecting mechanism and the cable laying mechanism on the bridge cross arm. When the bridge cross arm is in a horizontal state, the level bubble is positioned in the center.
The cable fixing unit further comprises a measuring scale 19, and a measuring scale capable of measuring the cable laying length is arranged on the ladder type cable bridge along the length direction of the ladder type cable bridge.
The connecting assembly is composed of a bridge connecting piece 13, connecting bolts 14 and connecting lines 15, when the cable fixing units are spliced in pairs, the end faces of the two ladder-type cable bridges are butted, the bridge connecting piece is arranged on the outer side of the butted position, the connecting bolts connected to the two ladder-type cable bridges are respectively installed on the bridge connecting piece, and the connecting lines are connected between the two connecting bolts.
The cable protection device further comprises an insulation protection pad 20, wherein the insulation protection pads are arranged on the end faces of the ladder-type cable bridges located at the head and the tail, and the cable can be protected from being damaged by the insulation protection pads.
And a contact net which is perpendicular to the ladder-type cable bridge and can be used for fixedly connecting the cable with the ladder-type cable bridge through the ladder-type cable bridge is arranged below the ladder-type cable bridge.
The utility model realizes the close contact of the bridge cross arm and the door-shaped beam without looseness by utilizing the anchor ear and the long bolt to firmly fix the bridge cross arm on the door-shaped beam and the arrangement of the close pasting plate, thereby improving the overall stability of the cross arm; the reinforcing plates at the end parts of the two sides of the hoop are arranged, so that the strength of the hoop is improved, and the fracture of the hoop is avoided; two rows of ladder-type cable bridges are symmetrically fixed on the bridge cross arm on two sides of the portal beam through the application of pressing sheets and fixing bolts, so that the stress balance is realized, and the integral stability is ensured; the ladder type cable bridge is spliced and extended in the length direction of the door-shaped beam, so that cables can be smoothly laid and fixed, the cable laying and fixing efficiency is powerfully improved, and the cables can be subjected to standardized construction and protection; the ladder type cable bridge frame has the structure that cables can hang down smoothly from the cross braces, so that the cable hanging down is convenient to be connected with a contact net; the bridge connecting sheet is matched with the connecting bolt for use, so that the ladder type cable bridge can be longitudinally and tightly physically communicated, and the integral stability in the length direction is improved; meanwhile, the connecting bolts are matched with the connecting lines, so that the ladder type cable bridges on the two sides of the cross arm can be respectively kept in integral electrical communication, and electrostatic damage is avoided; the nylon cable tie can firmly fix the cable in the ladder-type cable bridge, so that the cable is prevented from falling off, and the overall reliability of the device is realized.
During the use, the accessible firmly installs this device on contact net door type roof beam, can carry out contact net door type roof beam department cable laying and fixed work. This cable fixing device has realized at elevated station, come in and go out the field line, the parking area, the purpose of carrying out contact net door type roof beam department cable fixation such as vehicle section, among the prior art has been reduced, the track operation car need be used to cable laying, the ladder car, the dipperstick, laser range finder, the use amount of vehicles and instruments such as level bar, can eliminate quality defects in the construction, a large amount of cost and labour have been saved, construction precision and efficiency are improved, construction progress has been accelerated, the danger source has been eliminated, real realization construction safety, construction quality, construction progress, the unification of multiple targets such as construction cost.
2 level bubbles are arranged on the upper surface of the bridge cross arm, so that the bridge cross arm can be kept in a horizontal state during installation, and the unequal heights of the end parts on the two sides are avoided. The side face of the ladder-type cable bridge is provided with a measuring scale capable of measuring the cable laying length in a fixed mode along the longitudinal direction, the cable laying length can be effectively measured in a fixed mode, blind cable laying is avoided, and visual errors are eliminated. The position of the nylon cable tie for fixing the cable is provided with the insulating protection pad, so that the cable can be protected from being damaged, and the reliability of the cable is improved. The contact net vertical to the ladder type cable bridge is arranged at the position below the ladder type cable bridge, so that the cable can be fixedly connected with the contact net, and the firmness of cable surfing is improved.
The utility model relates to a have the installation simple and direct, low cost shortens the engineering time, improves the construction precision, reduces construction cost, safe and reliable, the cable laying of being convenient for and advantages such as fixed, compare other construction methods, can save a large amount of manpowers, material resources, shorten the engineering time, factor of safety is high, effectively prevents the emergence of all kinds of dangerous behaviors of constructing.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and appended claims, and therefore, the scope of the invention is not limited to the disclosure of the embodiments and drawings.
Claims (8)
1. The utility model provides a subway contact net door type roof beam department cable fixing device which characterized in that: the cable fixing unit is formed by splicing a plurality of cable fixing units through a connecting assembly, each cable fixing unit comprises a door-shaped beam connecting mechanism and a cable laying mechanism, and the cable laying mechanisms are symmetrically arranged on two sides of each door-shaped beam connecting mechanism; the portal beam connecting mechanism comprises a bridge cross arm, anchor ears and long bolts, wherein the left side and the right side of the centered position of the bridge cross arm are provided with long bolt holes at intervals, the positions of the two sides of the anchor ears, which correspond to the long bolt holes, are provided with anchor ear bolt holes, and the anchor ears are connected above the bridge cross arm through the long bolts arranged on the two sides; and cable laying mechanisms are symmetrically arranged on the bridge cross arms on the two sides of the portal beam connecting structure.
2. The device for fixing the cable at the door-shaped beam of the subway contact net according to claim 1, characterized in that: the gantry beam connecting mechanism further comprises a close-fitting plate, two close-fitting plates arranged at intervals are symmetrically arranged between the two long bolt holes on the bridge cross arm, and a gantry beam pipe clamping position is formed between the two close-fitting plates.
3. The subway overhead line system portal beam department cable fixing device of claim 1, characterized in that: the hoop is composed of an arc-shaped section and horizontal sections extending outwards and horizontally on two sides of the arc-shaped section, and reinforcing plates are arranged at included angles of the arc-shaped section and the horizontal sections.
4. The subway overhead line system portal beam department cable fixing device of claim 1, characterized in that: the cable laying mechanism comprises a ladder-type cable bridge, a pressing sheet, a fixing bolt and a nylon cable tie, wherein a fixing bolt hole is formed in a bridge cross arm, the pressing sheet is composed of a first straight section, a vertical section and a second straight section which are integrally formed, the first straight section is bent on one side of the top of the vertical section, the second straight section is bent on the other end of the bottom of the vertical section, a hole matched with the fixing bolt hole is formed in the second straight section, the first straight section of the pressing sheet is pressed and connected to the two ends of the ladder-type cable bridge, and the second straight section of the pressing sheet is connected to the bridge cross arm through the fixing bolt; the cable is fixed on the ladder-type cable bridge through a nylon cable tie.
5. The device for fixing the cable at the door-shaped beam of the subway contact net according to claim 1, characterized in that: the cable fixing unit further comprises a level bubble, and the level bubble is arranged between the portal beam connecting mechanism and the cable laying mechanism on the bridge cross arm.
6. The subway overhead line system portal beam department cable fixing device of claim 4, characterized in that: the cable fixing unit further comprises a measuring scale, and the measuring scale is arranged in the length direction of the ladder-type cable bridge.
7. The device for fixing the cable at the door-shaped beam of the subway contact net according to claim 4, characterized in that: the connecting assembly is composed of a bridge connecting piece, connecting bolts and connecting lines, when the two cable fixing units are spliced, the end faces of the two ladder-type cable bridges are butted, the bridge connecting piece is arranged on the outer side of the butted position, the connecting bolts connected to the two ladder-type cable bridges are respectively installed on the bridge connecting piece, and the connecting lines are connected between the two connecting bolts.
8. The device for fixing the cable at the door-shaped beam of the subway contact net according to claim 4, characterized in that: the cable tie is characterized by further comprising insulation protection pads, wherein the insulation protection pads are arranged at the positions, located at the head and the tail, of the ladder-type cable bridge frame for binding nylon cable ties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105587.9U CN218124188U (en) | 2022-05-10 | 2022-05-10 | Subway contact net door-shaped roof beam department cable fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105587.9U CN218124188U (en) | 2022-05-10 | 2022-05-10 | Subway contact net door-shaped roof beam department cable fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218124188U true CN218124188U (en) | 2022-12-23 |
Family
ID=84499298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221105587.9U Active CN218124188U (en) | 2022-05-10 | 2022-05-10 | Subway contact net door-shaped roof beam department cable fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218124188U (en) |
-
2022
- 2022-05-10 CN CN202221105587.9U patent/CN218124188U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201221206Y (en) | Movable anti-electricity protection shed rack | |
| CN106592441A (en) | Mounting method of stayed cable of cable-stayed bridge | |
| CN205152788U (en) | But telescopic bridge testing platform of antihunting | |
| CN211341709U (en) | Fixing device of hanging flower basket support | |
| CN218124188U (en) | Subway contact net door-shaped roof beam department cable fixing device | |
| CN104831844A (en) | Arc-shaped one-way double-cable inverted-cone cable curtain wall construction method | |
| CN111409511A (en) | Positioning and mounting structure for existing railway line contact net | |
| CN105401527B (en) | Construction method for anchoring catwalk and catwalk anchoring device | |
| CN105970829A (en) | Construction method for erecting 2209 sound barrier beam through DJ180 railway launching machine | |
| CN108824432A (en) | Bailey beam trestle steel pipe pile cantilevered adjustable positioning frame in water | |
| CN212148525U (en) | Positioning and mounting structure for existing railway line contact net | |
| CN212146899U (en) | Prefabricated U type rail bearing beam steel mould | |
| CN205329549U (en) | Corbel frame device is deposited to steel case roof beam temporarily | |
| CN111326861B (en) | Directional antenna alignment system and method for wireless communication system of stacker-reclaimer | |
| CN209082499U (en) | Bailey beam trestle steel pipe pile cantilevered adjustable positioning frame in water | |
| CN113460876A (en) | Installation method of upper assembly of quay crane | |
| CN218124189U (en) | Cable laying device for laying cables at portal frame support | |
| CN203096742U (en) | Difunctional supporting hanging plate | |
| CN105157939A (en) | Inclination angle uniform inflow condition multi-span seabed pipeline vortex induced vibration test device | |
| CN2174382Y (en) | Railway electric circuit steel wire rope connection line cross rail fixed card | |
| CN210115888U (en) | Contactor installation adjusting bracket for rail transit | |
| CN212458308U (en) | A calibration device for contact net geometric parameters measures | |
| CN205934723U (en) | Support and a push -pull system in spatial warping curve abnormal shape antisymmetry steel king -tower | |
| US10875556B2 (en) | Support frame for a temporary signal for a railroad | |
| CN112591620B (en) | Pressing beam type installation method of shield construction gantry crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |