CN213676441U - Shock attenuation bearing structure of contact net crossbeam portal - Google Patents

Abstract

The utility model discloses a shock absorption supporting structure of a contact net beam portal frame, which relates to the technical field of the contact net supporting structure, and comprises a fixed frame and an embedded part, wherein the bottom of the fixed frame is connected by a bolt, the bottom of the inner wall of the fixed frame is welded with a bottom frame, cylindrical supporting rods are arranged inside the bottom frame and close to four corners, a fixed cylinder is welded at the bottom of the inner wall of the fixed frame and under the supporting rods, the bottom end of the supporting rods is inserted into the fixed cylinder, the shock absorption supporting structure of the contact net beam portal frame can buffer the shock received by a steel column of a cross frame by the supporting rods clamped with a supporting plate in a sliding way and a compression spring sleeved on the outer wall of the supporting rods, thereby reducing the influence of rail vehicles on the cross beam portal frame when passing through, being beneficial to improving the stability of the contact net support by the cross beam portal frame, the damaged parts are conveniently maintained in time, disassembly, assembly and transportation are convenient, and the portability is better.

Description

Shock attenuation bearing structure of contact net crossbeam portal

Technical Field

The utility model relates to a contact net bearing structure field, concretely relates to shock attenuation bearing structure of contact net crossbeam portal.

Background

The beam portal is a structure for suspending and supporting the contact network and is a basic component for suspending and supporting the contact network in an electrified railway station yard. Each group of hard beams consists of two steel columns and one group of beams, and is only suitable for the construction of certain special electrified stations in the past, the speed increase of railways and the improvement of safety requirements in recent years, and the application range of the electrified construction of all station stations is gradually enlarged. The crossbeam portal comprises crossbeam and two crossbearer steel columns, when rail vehicle passes through the crossbeam portal, can produce the vibration to the crossbeam portal through ground to influence beam support's stability, the vibration makes the contact net vibrate even and influences its and rail vehicle's normal contact, and the security is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shock attenuation bearing structure of contact net crossbeam portal.

The utility model provides a technical scheme that above-mentioned problem adopted is:

the utility model provides a shock attenuation bearing structure of contact net crossbeam portal, passes through bolted connection's built-in fitting including mount and bottom, the welding of the inner wall bottom of mount has the chassis, the inside of chassis just is close to the bracing piece that four corners department all runs through the tube-shape, the welding of the inner wall bottom of mount just is located the bracing piece under has a fixed section of thick bamboo, the inside of a fixed section of thick bamboo is inserted to the bottom of bracing piece, the top cover of bracing piece is equipped with the backup pad, the outer wall of bracing piece just is located and overlaps between backup pad and the chassis and is equipped with the compression spring, the inside of bracing piece just is close to both ends department and all runs through the bolt that has "T" shape, the tip threaded connection of bolt has the spiro, the top of backup pad just is.

As a further improvement of the above technical scheme, the bottom plate of arcuation is installed to the bottom of backup pad, the equal movable mounting of the inner wall of four arriss of mount has the atress screw rod, and the tip screw thread of atress screw rod installs the atress barrel, the draw-in groove with atress barrel looks adaptation is seted up to the bottom of bottom plate, makes the atress barrel towards the draw-in groove with the rotation of atress screw rod, and the barrel contradicts the draw-in groove in the rotatory hand and can support the bottom plate, supports the crossbearer steel column at backup pad and top and prescribe a limit, conveniently changes the part that damages, convenient maintenance.

As a further improvement of the above technical scheme, the top of the supporting plate and the four corners of the supporting plate are connected with telescopic rods through hinged moving parts, the outer wall sleeves of the telescopic rods are provided with stress springs, the two ends of the stress springs are respectively connected with the two ends of the telescopic rods, the top ends of the telescopic rods are movably connected with connecting plates, the connecting plates are connected with the cross frame steel columns through bolts, the stress springs of the telescopic rods and the outer walls of the telescopic rods can elastically support the side portions of the cross frame steel columns, the influence of wind generated when a rail vehicle passes through the cross frame steel columns is reduced, and the stability of the cross frame steel columns on supporting of the.

As the further improvement of the technical scheme, the four corners of the outer wall of the supporting plate are welded with the sliding rods, the end parts of the sliding rods are in sliding contact with the inner wall of the fixing frame, the sliding rods abut against the supporting plate, and the stability of the vertical movement of the supporting plate can be improved.

As a further improvement of the technical scheme, the top of the fixing frame is provided with a top opening matched with the cross frame steel column and the telescopic rod, the top of the fixing frame is in sliding contact with the cross frame steel column, and the top of the fixing frame abuts against the cross frame steel column to stabilize the support of the fixing frame.

As a further improvement of the technical scheme, maintenance openings are formed in four sides of the fixing frame, so that the supporting rods are convenient to disassemble and assemble.

Compared with the prior art, the utility model, have following advantage and effect:

1. the utility model discloses a compression spring through establishing with bracing piece and the outer wall cover of backup pad slip centre gripping when using, can cushion the vibrations that the crossbearer steel column received, reduce rail vehicle through the influence of the time to the crossbeam portal, do benefit to the stability that improves the crossbeam portal and support to the contact net, each component part of this structure can be dismantled simultaneously, and the convenience is in time maintained damage parts, also is convenient for carry out the dismouting transportation, and the portability is better.

2. The utility model discloses a rotatory atress spiral shell section of thick bamboo of messenger towards the draw-in groove through the atress screw rod when using, the spiral shell section of thick bamboo conflict draw-in groove can support the bottom plate in the rotatory hand, supports the crossbearer steel column at backup pad and top and prescribes a limit to, and the part of damage is changed to the convenience, convenient maintenance.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the support rod and the plug of the embodiment of the present invention.

Wherein: the device comprises a fixing frame 1, an embedded part 2, a bottom frame 3, a supporting rod 4, a fixing barrel 5, a supporting plate 6, a bolt 7, a cross frame steel column 8, a stress screw rod 9, a stress screw barrel 10, a bottom plate 11, a telescopic rod 12, a connecting plate 13 and a sliding rod 14.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1-3, the embodiment provides a damping support structure for a contact net beam gantry, which includes a fixed frame 1 and an embedded part 2, the bottoms of which are connected by bolts, a bottom frame 3 is welded at the bottom of the inner wall of the fixed frame 1, cylindrical support rods 4 are respectively welded inside the bottom frame 3 and near the four corners, a fixed cylinder 5 is welded at the bottom of the inner wall of the fixed frame 1 and under the support rods 4, the bottom ends of the support rods 4 are inserted into the fixed cylinder 5, a support plate 6 is sleeved at the top of the support rods 4, slide rods 14 are respectively welded at the four corners of the outer wall of the support plate 6, the ends of the slide rods 14 are in sliding contact with the inner wall of the fixed frame 1, the slide rods 14 abut against the support plate 6, so as to improve the stability of the up-down movement of the support plate 6, a compression spring is sleeved on the outer wall of the support rod 4 and between, the end part of the bolt 7 is in threaded connection with a spiral ring, maintenance openings are formed in four sides of the fixing frame 1, the supporting rods 4 are convenient to disassemble and assemble, a cross frame steel column 8 is installed at the top of the supporting plate 6 and positioned in the middle of the four supporting rods 4 through bolts, the supporting rods 4 which are slidably clamped with the supporting plate 6 and compression springs sleeved on the outer walls of the supporting rods can buffer the vibration of the cross frame steel column 8, the influence of a rail vehicle on a cross beam portal frame when passing is reduced, the stability of the cross beam portal frame for supporting a contact net is improved, meanwhile, all components of the structure can be disassembled, damage parts are convenient to maintain in time, disassembly, assembly and transportation are convenient, the portability is better, an arc-shaped bottom plate 11 is installed at the bottom of the supporting plate 6, stress screw rods 9 are movably installed on the inner walls of four edges of the fixing frame 1, stress screw cylinders 10 are installed on end threads of the stress screw rods 9, the stress screw 9 is rotated to enable the stress screw cylinder 10 to face the clamping groove, the screw cylinder 10 in a rotating hand abuts against the clamping groove to support the bottom plate 11, the support plate 6 and a cross frame steel column 8 at the top of the support plate are supported and limited, damaged parts are convenient to replace, maintenance is convenient, the top of the support plate 6 and the four corners are connected with a telescopic rod 12 through hinged moving parts, the outer wall of the telescopic rod 12 is sleeved with a stress spring, two ends of the stress spring are respectively connected with two ends of the telescopic rod 12, the top end of the telescopic rod 12 is movably connected with a connecting plate 13, the connecting plate 13 is connected with the cross frame steel column 8 through bolts, the telescopic rod 12 and the stress spring at the outer wall of the telescopic rod can elastically support the side part of the cross frame steel column, the influence of wind generated when a rail vehicle passes through the cross frame is reduced, the stability of the cross frame door frame to contact net support is improved, the top of, the top of mount 1 and crossbearer steel column 8 sliding contact, the top of mount 1 is conflicted crossbearer steel column 8, can stabilize its support.

The working principle is as follows:

this device is when using, fix built-in fitting 2 at the earth's surface through the concrete earlier, later through the bolt with 1 installation of mount and 2 tops of built-in fitting, run through chassis 3 with bracing piece 4 and insert the inside of solid fixed cylinder 5, establish the outer wall at bracing piece 4 with the compression spring cover, and cover backup pad 6, run through the fixed installation that can accomplish this structure in both ends of bracing piece 4 through bolt 7, the crossbearer steel column 8 of crossbeam portal passes through the bolt fastening at 6 tops of backup pad, telescopic link 12 is connected between crossbearer steel column 8 and backup pad 6, can accomplish the reinforcement operation.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (6)

1. The utility model provides a shock attenuation bearing structure of contact net crossbeam portal which characterized in that: comprises a fixed frame (1) and an embedded part (2) connected with the bottom of the fixed frame through a bolt, wherein the bottom of the inner wall of the fixed frame (1) is welded with a bottom frame (3), cylindrical support rods (4) penetrate through the inner part of the bottom frame (3) and the positions close to the four corners, a fixed cylinder (5) is welded at the bottom of the inner wall of the fixed frame (1) and under the support rod (4), the bottom end of the supporting rod (4) is inserted into the fixed cylinder (5), the top of the supporting rod (4) is sleeved with a supporting plate (6), a compression spring is sleeved on the outer wall of the supporting rod (4) and positioned between the supporting plate (6) and the bottom frame (3), t-shaped bolts (7) penetrate through the inner part of the supporting rod (4) and the two ends of the supporting rod, the end part of the bolt (7) is in threaded connection with a spiral ring, and a cross frame steel column (8) is arranged at the top of the supporting plate (6) and in the middle of the four supporting rods (4) through bolts.

2. The shock-absorbing support structure of contact net beam portal of claim 1, characterized in that: bottom plate (11) of arcuation are installed to the bottom of backup pad (6), the equal movable mounting of inner wall of four arriss of mount (1) has atress screw rod (9), and the tip screw thread of atress screw rod (9) installs atress spiral shell section of thick bamboo (10), the draw-in groove with atress spiral shell section of thick bamboo (10) looks adaptation is seted up to the bottom of bottom plate (11).

3. The shock-absorbing support structure of contact net beam portal of claim 1, characterized in that: the top of backup pad (6) just is located four corners department and all is connected with telescopic link (12) through articulated moving part, the outer wall cover of telescopic link (12) is equipped with the atress spring, and the both ends of atress spring are connected with the both ends of telescopic link (12) respectively, the top swing joint of telescopic link (12) has connecting plate (13), and connecting plate (13) are connected with crossbearer steel column (8) through the bolt.

4. The shock-absorbing support structure of contact net beam portal of claim 1, characterized in that: the four corners of the outer wall of the supporting plate (6) are welded with sliding rods (14), and the end parts of the sliding rods (14) are in sliding contact with the inner wall of the fixing frame (1).

5. The shock-absorbing support structure of contact net beam portal of claim 3, characterized in that: the top of the fixing frame (1) is provided with a top opening matched with the cross frame steel column (8) and the telescopic rod (12), and the top of the fixing frame (1) is in sliding contact with the cross frame steel column (8).

6. The shock-absorbing support structure of contact net beam portal of claim 1, characterized in that: maintenance openings are formed in four sides of the fixing frame (1).

Images