CN211617486U - Railway contact net lightning protection equipment - Google Patents

Abstract

The utility model discloses a railway contact net lightning protection equipment, including the box body, box body top fixedly connected with lid, box body bottom central point put fixed mounting have connecting device, and thread groove and constant head tank have been seted up respectively to four corners in lid bottom, and sealed draw-in groove has been seted up all around to the lid bottom, and sealed draw-in groove is located thread groove and constant head tank inner circle, and four corners in box body top are provided with sleeve pipe and reference column respectively, and the box body top is provided with sealed snap ring all around. Through inside with bushing insert thread groove, the reference column inserts inside the constant head tank to keep sealed snap ring to correspond sealed draw-in groove, recycle the bolt and screw up bushing and thread groove, all be provided with seal ring at the junction of box body and lid, for rain erosion prevention, protect equipment through the safety protection shell, improve equipment's life, guarantee the lasting steady operation of equipment.

Description

Railway contact net lightning protection equipment

Technical Field

The utility model discloses lightning protection technical field specifically is a railway contact net lightning protection equipment.

Background

The voltage of a contact network is an important index of the capacity of a traction power supply system of the electrified railway, and the electrical insulation performance is influenced by the overhigh voltage of the contact network; the voltage of the contact network is too low, and the load equipment cannot work normally; harmonic components in the voltage of the contact network affect the stability and the operation quality of a traction power supply system, so the voltage of the contact network is an important technical index. The arrester is connected between the cable and ground, usually in parallel with the equipment to be protected. The lightning arrester can effectively protect communication equipment, and once abnormal voltage appears, the lightning arrester acts to play a role in protection.

The existing lightning arrester is not provided with a protective shell, is often placed inside a product when being used outdoors, and has poor lightning protection effect. But many power equipment inner space is little, can not place the arrester, and under the external condition of arrester, current arrester does not play fine anticorrosive, and rust-resistant effect is poor to lead to equipment to have the impaired hidden danger of thunderbolt.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railway contact net lightning protection equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a railway contact net lightning protection equipment, comprises a box bod, box body top fixedly connected with lid, box body bottom central point puts fixed mounting has connecting device, thread groove and constant head tank have been seted up respectively to four corners in lid bottom, sealed draw-in groove has been seted up all around to the lid bottom, sealed draw-in groove is located thread groove and constant head tank inner circle, four corners in box body top are provided with sleeve pipe and reference column respectively, the box body top is provided with sealed snap ring all around, the sleeve pipe cup joints fixedly with the thread groove, the reference column cup joints fixedly with the constant head tank, sealed snap ring matches with sealed snap ring, box body and lid junction all are provided with seal ring.

Further, lower terminal and last terminal have been seted up respectively to the box body both sides, lid top central point puts and is provided with the visual window, the visual window is transparent material.

Further, the inside fixed mounting of box body has the arrester original paper, arrester original paper one end fixedly connected with import wire, arrester original paper other end fixedly connected with export wire, import wire runs through inside the terminal, export wire runs through inside the lower terminal.

Further, connecting device includes hollow post and piston rod, hollow bottom of the post portion thread tightening has the nut, the piston rod top is run through the nut and is gone deep into inside hollow bottom of the post portion, the piston rod is the rotation with nut and hollow post and is connected, piston rod bottom outer wall equidistance is provided with the connecting rod, connecting rod lower extreme fixedly connected with locking device.

Further, hollow capital portion fixedly connected with connecting plate, the inside bottom of hollow post is provided with the block rubber, block rubber bottom and piston rod top fixed connection, the block rubber top is provided with the spring, the spring other end is connected with hollow capital portion inner wall.

Furthermore, the locking device comprises a folding rod and a clamping plate, a cavity is formed in the lower end of the folding rod, a tension spring is arranged inside the cavity, the top of the tension spring is connected with the inner wall of the top of the cavity, and the bottom of the tension spring is fixedly connected with one end of the clamping plate.

Furthermore, the clamping plate is in movable contact with the inner wall of the cavity, and the folding rod and the clamping plate are both provided with threaded slotted holes.

Compared with the prior art, the beneficial effects of the utility model are that: in the installation process, the clamping blocks and the folding rods are clamped on the line installation tower frame, and the number of the folding rods is three, so that three sides can be fixed during installation, and the stability is improved; the anti-vibration box has the advantages that friction is generated between the anti-vibration box and a rail in the running process of a train, so that vibration is generated, the force is transmitted upwards by the piston rod when the anti-vibration box is vibrated, the rubber block continuously transmits the force upwards, the stress is subjected to multiple buffering by the spring under the elastic acting force, and the stress is decomposed to the maximum extent, so that the box body and internal equipment are protected, and the lightning protection effect is effectively prevented from being influenced by the damage of long-time vibration to the lightning protection equipment; inside with bushing insert thread groove, the reference column inserts inside the constant head tank to keep sealed snap ring to correspond sealed draw-in groove, recycle the bolt and screw up bushing and thread groove, all be provided with seal ring at the junction of box body and lid, for rain-proof water corrodes, traditional arrester equipment exposes outside comparing, protects equipment through the safety protection shell, improve equipment's life, guarantee the lasting steady operation of equipment.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the cover structure of the present invention;

FIG. 3 is a schematic view of the structure of the case body of the present invention;

FIG. 4 is a schematic view of the internal structure of the case body of the present invention;

FIG. 5 is a schematic view of the connecting device of the present invention;

fig. 6 is a schematic structural view of the locking device of the present invention.

In the figure: the lightning arrester comprises a box body 1, a cover body 2, a wiring column under 3, a wiring column under 4, a visual window 5, a connecting device 6, a thread groove 7, a positioning groove 8, a sealing clamping groove 9, a positioning column 10, a sleeve pipe 11, a sealing clamping ring 12, an inlet wire 13, an outlet wire 14, a lightning arrester original piece 15, a connecting plate 16, a hollow column 17, a spring 18, a rubber block 19, a nut 20, a connecting rod 21, a locking device 22, a piston rod 23, a folding rod 24, a cavity 25, a tension spring 26 and a clamping plate 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-5: a lightning protection device for a railway contact net comprises a box body 1, a cover body 2 is fixedly connected to the top of the box body 1, a connecting device 6 is fixedly installed at the central position of the bottom of the box body 1, a thread groove 7 and a positioning groove 8 are respectively formed in four corners of the bottom of the cover body 2, a sealing clamping groove 9 is formed in the periphery of the bottom of the cover body 2, the sealing clamping groove 9 is positioned in the inner ring of the thread groove 7 and the positioning groove 8, a sleeve 11 and a positioning column 10 are respectively arranged at the four corners of the top of the box body 1, a sealing clamping ring 12 is arranged at the periphery of the top of the box body 1, the sleeve 11 is fixedly sleeved with the thread groove 7, the positioning column 10 is fixedly sleeved with the positioning groove 8, the sealing clamping ring 12 is matched with the sealing clamping groove 9, a sealing gasket is arranged at the joint of, the lightning arrester is characterized in that a lightning arrester original 15 is fixedly installed inside the box body 1, one end of the lightning arrester original 15 is fixedly connected with an inlet lead 13, the other end of the lightning arrester original 15 is fixedly connected with an outlet lead 14, the inlet lead 13 penetrates through the inside of the upper binding post 4, the outlet lead 14 penetrates through the inside of the lower binding post 3, firstly, the sleeve 11 is inserted into the threaded groove 7, the positioning post 10 is inserted into the positioning groove 8, the sealing clamping ring 12 is kept corresponding to the sealing clamping groove 9, then, the sleeve 11 and the threaded groove 7 are screwed down by using bolts, wherein sealing gaskets are arranged at the joint of the box body 1 and the cover body 2 and used for preventing rainwater erosion, compared with the traditional lightning arrester equipment, the equipment is exposed outside, the equipment is protected by a safety protection shell, the service life of the equipment is prolonged and stable operation of the equipment is guaranteed, the lightning arrester original 15 is installed inside the box, the use safety and reliability of the lightning arrester are improved, wherein waterproof gaskets are arranged at the end openings of the upper wiring column 4 and the lower wiring column 3, so that the drying of the interior of the box body 1 is comprehensively guaranteed, and the equipment is prevented from being damaged by water inflow; the connecting device 6 comprises a hollow column 17 and a piston rod 23, a nut 20 is fixed at the bottom of the hollow column 17 through a thread, the top end of the piston rod 23 penetrates through the nut 20 and goes deep into the bottom end of the hollow column 17, the piston rod 23 is rotatably connected with the nut 20 and the hollow column 17, connecting rods 21 are arranged on the outer wall of the bottom of the piston rod 23 at equal intervals, a locking device 22 is fixedly connected with the lower end of the connecting rod 21, a connecting plate 16 is fixedly connected with the top of the hollow column 17, a rubber block 19 is arranged at the bottom end of the inside of the hollow column 17, the bottom of the rubber block 19 is fixedly connected with the top of the piston rod 23, a spring 18 is arranged on the top of the rubber block 19, the other end of the spring 18 is connected with the inner wall of the top of the hollow column 17, the locking device 22 comprises a folding rod 24 and a clamping plate, the clamping plate 27 is movably contacted with the inner wall of the cavity 25, the folding rod 24 and the clamping plate 27 are both provided with threaded slotted holes, the bottom of the box body 1 is provided with the connecting device 6, in the installation process, the clamping block 27 and the folding rod 24 are firstly clamped on a circuit installation tower frame, because the folding rod 24 is provided with three folding rods, three-surface fixation can be realized in the installation process, the stability is improved, the upper end of the folding rod 24 is provided with a hollow column 17, the interior of the folding rod is provided with a plurality of groups of springs 18, the hollow column and a rail generate friction in the running process of a train so as to generate vibration, the piston rod 23 transmits force upwards when the vibration is received, the rubber block 19 continuously transmits force upwards, at the moment, the springs 18 carry out multiple buffering on the stress under the elastic acting force, the stress is decomposed to the maximum degree, the protection of the box body 1 and the internal equipment, influencing the lightning protection effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a railway contact net lightning protection equipment, includes box body (1), its characterized in that: the top of the box body (1) is fixedly connected with a cover body (2), the central position of the bottom of the box body (1) is fixedly provided with a connecting device (6), four corners of the bottom of the cover body (2) are respectively provided with a thread groove (7) and a positioning groove (8), the periphery of the bottom of the cover body (2) is provided with a sealing clamping groove (9), the sealing clamping groove (9) is positioned at the inner ring of the thread groove (7) and the positioning groove (8), four corners of the top of the box body (1) are respectively provided with a sleeve (11) and a positioning column (10), the periphery of the top of the box body (1) is provided with a sealing snap ring (12), the sleeve (11) is fixedly sleeved with the thread groove (7), the positioning column (10) is fixedly sleeved with the positioning groove (8), the sealing snap ring (12) is matched with the sealing clamping groove (9), sealing gaskets are arranged at the joints of the box body (1) and the cover body (2).

2. The lightning protection device for the railway contact network of claim 1, which is characterized in that: lower binding post (3) and last binding post (4) have been seted up respectively to box body (1) both sides, lid (2) top central point puts and is provided with visual window (5), visual window (5) are transparent material.

3. The lightning protection device for the railway contact network of claim 2, which is characterized in that: the inside fixed mounting of box body (1) has arrester original paper (15), arrester original paper (15) one end fixedly connected with import wire (13), arrester original paper (15) other end fixedly connected with export wire (14), import wire (13) run through inside terminal (4), export wire (14) run through inside lower terminal (3).

4. The lightning protection device for the railway contact network of claim 1, which is characterized in that: connecting device (6) are including hollow post (17) and piston rod (23), hollow post (17) bottom thread tightening has nut (20), inside piston rod (23) top was run through nut (20) and is gone deep into hollow post (17) bottom, piston rod (23) are the rotation with nut (20) and hollow post (17) and are connected, piston rod (23) bottom outer wall equidistance is provided with connecting rod (21), connecting rod (21) lower extreme fixedly connected with locking device (22).

5. The lightning protection device for the railway contact network of claim 4, which is characterized in that: hollow post (17) top fixedly connected with connecting plate (16), the inside bottom of hollow post (17) is provided with rubber block (19), rubber block (19) bottom and piston rod (23) top fixed connection, rubber block (19) top is provided with spring (18), the spring (18) other end is connected with hollow post (17) top inner wall.

6. The lightning protection device for the railway contact network of claim 4, which is characterized in that: the locking device (22) comprises a folding rod (24) and a clamping plate (27), a cavity (25) is formed in the lower end of the folding rod (24), a tension spring (26) is arranged inside the cavity (25), the top of the tension spring (26) is connected with the inner wall of the top of the cavity (25), and the bottom of the tension spring (26) is fixedly connected with one end of the clamping plate (27).

7. The lightning protection device for the railway contact network of claim 6, which is characterized in that: the clamping plate (27) is in movable contact with the inner wall of the cavity (25), and the folding rod (24) and the clamping plate (27) are both provided with threaded slotted holes.

Images