CN207846459U - A kind of novel railway contact net supporting structure - Google Patents

Abstract

The utility model discloses a novel railway catenary support structure, which comprises a pillar. The upper end surface of the pillar is fixedly connected with a central shaft, and the upper end of the central shaft is fixedly connected with a connecting column. With the screw, the lower end of the screw is fixedly sleeved with a turntable, the outer meshing connection of the screw is connected with a screw sleeve, one side of the screw sleeve is fixedly connected with a sliding sleeve, and the other side is fixedly connected with a fixed block, and the sliding sleeve is slidably connected to the slide rod. One end of the sliding rod is fixedly connected to the fixed ring, and the other end is fixedly connected to the pillar. Through the cooperation between the turntable, the screw and the screw sleeve, the utility model realizes that the turning turntable drives the screw to rotate, so that it only needs to turn the turntable to realize The installation of the heavy extension rod reduces the difficulty and risk of construction, and is convenient for installation and disassembly, which can realize rapid construction, improve work efficiency and reduce workload.

Description

A new type of railway catenary support structure

technical field

The utility model relates to the technical field of railway catenary, in particular to a novel railway catenary support structure.

Background technique

The railway is an important national infrastructure and a popular means of transportation. It is in the backbone position in China's comprehensive transportation system. As the development of the national economy continues to promote the growth of railway transportation, railway transportation plays a very important role in the development of the national economy. Status, in order to make passengers more convenient on the train, it is now necessary to provide power to the train, so the railway catenary is produced, and in order to ensure the stable suspension of the power network line, the bracket requires high strength, so its weight is relatively large. The existing support structure of the railway catenary is cumbersome to install. It is necessary to fix a column first, and then the installer climbs to the top of the column for installation, which is prone to danger, or a special lifting device is used for installation, which is cumbersome. To solve the above Problem This utility model provides a new type of railway catenary support structure.

Utility model content

The purpose of this utility model is to provide a novel railway catenary support structure to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a novel railway catenary support structure, including a pillar, the upper end surface of the pillar is fixedly connected with a central shaft, and the upper end of the central shaft is fixedly connected with a connecting column, so The outside of the central axis is located between the pillar and the connecting column and is rotationally connected with the screw, the lower end of the screw is fixedly sleeved with a turntable, the outer meshing connection of the screw is connected with a screw sleeve, and one side of the screw sleeve is fixedly connected with a sliding sleeve, The other side is fixedly connected with a fixed block, the sliding sleeve is slidably connected to the sliding rod, one end of the sliding rod is fixedly connected to the fixed ring, and the other end is fixedly connected to the pillar, and the fixed ring is fixedly connected to the connecting rod The upper end of the fixed ring is rotatably connected with an extension rod on the side away from the slide bar, and the end of the extension rod away from the fixed ring is fixedly connected with a clip block, and the lower side of the extension rod is provided with a chute, and the inside of the chute A sliding block is slidably connected, and the end of the chute away from the clamping block is provided with a card slot, the lower side of the sliding block is fixedly connected with a connecting block, and the inner rotation of the connecting block is connected with a support rod, and the support rod is far away from the connecting block. One end of the block is connected with the fixed block by screws;

The interior of the upper end of the pillar is provided with a plurality of dark cavities, and the bottom of each dark cavity is connected with a clamping rod through a spring, and the clamping rods are respectively slidably connected to the inside of the corresponding dark cavity, and each clamping rod is It is movably clamped with multiple bayonet sockets provided on the lower side of the turntable, each of the clamping rods is fixedly connected with a connecting rod, and the end of each connecting rod away from the corresponding clamping rod passes through the side wall of the pillar respectively. The penetrating grooves are fixedly connected to the inner side wall of the control ring, the two sides of the control ring are symmetrically engaged and connected with bolts, and the two sides of the upper side wall of the pillar are respectively symmetrically provided with two grooves.

Preferably, an insulating block is provided at the end of the extension rod close to the fixing ring and the end of the support rod close to the fixing block.

Preferably, a positioning rod is fixedly connected to the supporting rod, and a supporting bar is provided between the positioning rod and the supporting rod.

Compared with the prior art, the beneficial effect of the utility model is: the utility model realizes the rotation of the turntable to drive the screw to rotate through the cooperation between the turntable, the screw rod and the screw sleeve, so that the screw sleeve rises, and through the screw sleeve, the sliding sleeve The cooperation between the screw sleeve and the sliding rod realizes that the screw sleeve will not rotate with the screw rod, but can only move up and down. Through the cooperation between the screw sleeve, the fixed block, the support rod and the connecting block, the support rod will move when the screw sleeve rises. The extension rod is jacked up so that the extension rod becomes a horizontal state for suspension and stress. Through the cooperation between the clamp rod, the connecting rod and the control ring, pressing the control ring can drive the clamp rod to move, thereby controlling the clamp rod. This practical The new type is easy to install, you only need to turn the turntable to complete the installation of the position where the extension rod is installed, and the overall structure is simple and stable, and the operation is convenient.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the connection schematic diagram of slide block and chute of the utility model;

Fig. 3 is a schematic diagram of the clamping connection between the clamp rod and the bayonet socket of the present invention;

Fig. 4 is the front sectional view of the utility model;

Fig. 5 is a side sectional view of the utility model dark chamber part;

Fig. 6 is an enlarged view of A place in Fig. 4 of the present utility model;

Fig. 7 is the enlarged view of B place of Fig. 4 of the present utility model;

Fig. 8 is an enlarged view of C in Fig. 4 of the utility model;

Fig. 9 is a state diagram of the utility model when the extension rod is put down.

In the figure: 1. pillar, 2. screw rod, 3. screw sleeve, 4. turntable, 5. sliding sleeve, 6. sliding rod, 7. fixing ring, 8. fixing block, 9. extension rod, 10. support rod, 11. Connecting block, 12. Connecting column, 13. Control ring, 14. Bayonet, 15. Clamp rod, 16. Through groove, 17. Bolt, 18. Slider, 19. Chute, 20. Clamping block, 21 , central axis, 22, dark cavity, 23, spring, 24, connecting rod, 25, draw-in groove, 26, groove, 27, positioning rod, 28, support bar.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-9, the utility model provides a technical solution: a new type of railway catenary support structure, including a pillar 1, the upper end surface of the pillar 1 is fixedly connected with a central shaft 21, and the upper end of the central shaft 21 The connecting column 12 is fixedly connected, and the outside of the central axis 21 is located between the supporting column 1 and the connecting column 12 and is rotatably connected to the screw rod 2. Sleeve 3, turning the turntable 4 can rotate the screw rod 2 so that the screw sleeve 3 rises, one side of the screw sleeve 3 is fixedly connected with a sliding sleeve 5, and the other side is fixedly connected with a fixed block 8, and the sliding sleeve 5 is slidably connected On the sliding rod 6, one end of the sliding rod 6 is fixedly connected to the fixed ring 7, and the other end is fixedly connected to the pillar 1. The sliding sleeve 5 prevents the screw sleeve 3 from rotating with the screw rod 2, and only moves up and down. , the fixed ring 7 is fixedly connected to the upper end of the connecting column 12, the side of the fixed ring 7 away from the slide bar 6 is rotatably connected with an extension rod 9, and the end of the extension rod 9 away from the fixed ring 7 is fixedly connected with a clip block 20. The lower side of the extension rod 9 is provided with a chute 19, the inside of the chute 19 is slidably connected with a slider 18, and the end of the chute 19 away from the clamping block 20 is provided with a card slot 25, when the slider 18 moves to After the position of the draw-in groove 25 at one end of the chute 19, continue to rotate the rotating disk 4 to make the screw sleeve 3 continue to rise, at this time, the slide block 18 will be engaged with the draw-in groove 25, and the slide block 18 will be fixed in the draw-in groove 25 without Sliding at will, so that the extension rod 9 is supported for hanging and supporting cables, the lower side of the slider 18 is fixedly connected with a connecting block 11, and the inner rotation of the connecting block 11 is connected with a supporting rod 10, and the supporting rod 10 is away from One end of the connection block 11 is connected to the fixed block 8 by a screw, and the rise of the screw sleeve 3 will drive the support rod 10 to rise so as to jack up the extension rod 9;

The interior of the upper end of the pillar 1 is provided with a plurality of dark cavities 22, and the bottom of each dark cavity 22 is connected with a clamping rod 15 through a spring 23, and the clamping rods 15 are respectively slidably connected to the inside of the corresponding dark cavity 22. , and each lever 15 is movably engaged with a plurality of bayonet sockets 14 located on the lower side of the turntable 4, and the spring 23 can lift the lever 15 to engage with the bayonet socket 14, thereby fixing the turntable 4 so that it cannot rotate. Each clamping rod 15 is fixedly connected with a connecting rod 24 , and one end of each connecting rod 24 away from the corresponding clamping rod 15 is fixedly connected to the control ring 13 through the through groove 16 provided on the side wall of the pillar 1 . On the inner side wall of the control ring 13, the clamp rod 15 can be disengaged from the turntable 4. The two sides of the control ring 13 are symmetrically engaged with bolts 17, and the two sides of the upper end side wall of the pillar 1 are respectively symmetrically arranged. There are two grooves 26, when the bolt 17 engages with the groove 26 at the upper end, the clamping rod 15 and the bayonet 14 can always be engaged, and when the bolt 17 engages with the groove 26 at the lower end, the clamping rod 15 can overcome the spring 23 is disengaged from the bayonet socket 14, so that the turntable 4 can be rotated.

Specifically, the end of the extension rod 9 close to the fixed ring 7 and the end of the support rod 10 close to the fixed block 8 are provided with insulating blocks, which can prevent accidents.

Specifically, a positioning rod 27 is fixedly connected to the support rod 10, and the positioning rod 27 is used to install a related positioning device, so as to realize fixing the position of the contact line of the railway grid and achieve good contact. The specific structure of the positioning device is currently There are many disclosed technical solutions, and its structural principle is not the technical solution of the present invention, so it will not be described in detail, and a support bar 28 is provided between the positioning rod 27 and the support rod 10 to stabilize the setting of the positioning rod 27 .

Working principle: Before installation, connect the extension rod 9 and other components with the pillar 1, erect the pillar 1 and fix it on the ground where it needs to be installed, connect one end of the support rod 10 to the fixed block 8 through screws, and connect the support rod 10 The other end is connected in the connection block 11, and now the screw sleeve 3 is located at the lowermost end of the screw rod 2 (as shown in Figure 9), and then the turntable 4 is rotated, and the rotation of the turntable 4 drives the screw rod 2 to rotate, and the rotation of the screw rod 2 makes the screw sleeve 3 rise. The screw sleeve 3 drives the support rod 10 to rise through the fixed block 8, and the support rod 10 drives the slider 18 to slide in the chute 19 to jack up the extension rod 9. Because the extension rod 9 has high strength and a large weight, the rotation of the turntable 4 is used to lift the extension rod 9. The extension rod 9 is jacked up and installed, which can save manpower and can carry out construction without special hoisting equipment. 27. It is more convenient to install and fix the support bar 28 and the support rod 10 together. After the slider 18 slides to the position of the slot 25, continue to rotate the turntable 4 so that the slider 18 is engaged with the slot 25 and cannot be slid arbitrarily. Then unscrew the bolt 17, under the action of the spring 23, the clamping rod 15 is jacked up so that it is engaged with the bayonet socket 14 on the lower side of the turntable 4, and then the bolt 17 is tightened so that it is engaged with the groove 26 above Finish fixing, just can install suspension line in clamp block 20 afterwards, arrange relevant positioning device on positioning bar 27 then, this device structure is ingenious, easy to use, can reduce the difficulty of construction, reduce workload.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (3)

1. A novel railway catenary support structure, comprising a pillar (1), characterized in that: the upper end surface of the pillar (1) is fixedly connected with a central axis (21), and the upper end of the central axis (21) is fixedly connected There is a connecting column (12), the outside of the central axis (21) is located between the pillar (1) and the connecting column (12) and is connected to the screw (2) in rotation, and the lower end of the screw (2) is fixedly sleeved with a turntable (4), the external engagement of the screw rod (2) is connected with a screw sleeve (3), one side of the screw sleeve (3) is fixedly connected with a sliding sleeve (5), and the other side is fixedly connected with a fixed block (8), The sliding sleeve (5) is slidably connected to the sliding rod (6), one end of the sliding rod (6) is fixedly connected to the fixing ring (7), and the other end is fixedly connected to the pillar (1). The ring (7) is fixedly connected to the upper end of the connecting column (12), and the side of the fixed ring (7) away from the slide bar (6) is rotatably connected with an extension rod (9), and the extension rod (9) is away from the fixed ring One end of (7) is fixedly connected with clip block (20), and the underside of extension rod (9) is provided with chute (19), and the inside of described chute (19) is slidably connected with slide block (18), and slide One end of the groove (19) away from the clamping block (20) is provided with a draw-in groove (25), the lower side of the slider (18) is fixedly connected with a connecting block (11), and the inside of the connecting block (11) is connected in rotation There is a support rod (10), and the end of the support rod (10) away from the connecting block (11) is connected with the fixed block (8) by screws; The inside of the upper end of the pillar (1) is provided with a plurality of dark cavities (22), and the bottom of each dark cavity (22) is connected with a clamping rod (15) by a spring (23), and the clamping rod (15) ) are respectively slidably connected to the inside of the corresponding dark chamber (22), and each clamping rod (15) is movably clamped with a plurality of bayonet sockets (14) located on the lower side of the turntable (4), and each clamping Connecting rods (24) are fixedly connected on the rods (15), and one end of each connecting rod (24) away from the corresponding clamping rod (15) passes through the through grooves (16) on the side walls of the pillars (1) respectively. ) is fixedly connected on the inner side wall of the control ring (13), the two sides of the control ring (13) are symmetrically engaged with bolts (17), and the two sides of the upper side wall of the pillar (1) are respectively symmetrically provided with Two grooves (26). 2. A new type of railway catenary support structure according to claim 1, characterized in that: the end of the extension rod (9) close to the fixed ring (7) and the end of the support rod (10) close to the fixed block (8) An insulating block is provided at one end. 3. a kind of novel railway catenary support structure according to claim 1, is characterized in that: described support rod (10) is fixedly connected with positioning rod (27), and positioning rod (27) and support rod (10) ) is provided with a support bar (28).