CN220209936U - Mounting equipment and lightning protection system - Google Patents

Abstract

The utility model relates to the technical field of lightning protection of transmission lines and discloses mounting equipment and a lightning protection system; the mounting equipment comprises a fixed mounting assembly, a movable mounting assembly in the middle of the fixed mounting assembly and a limiting assembly at the side edge of the fixed mounting assembly; installing a fixed installation component on the top end of the pole tower, subsequently installing the lightning protection equipment on a movable installation component, and finally assembling the movable installation component on the fixed installation component to finish the installation of the lightning protection equipment; the whole process does not need to use a perforating machine, and has high safety; the device adopts tower top formula lightning rod and insulating cross arm to make up, and wherein the lightning rod of tower top formula is as first layer protection, can reduce the impact that thunderbolt directly hit the thunderbolt, and insulating cross arm is as second floor protection to promote insulating level by a wide margin, and cooperation clearance prevents overvoltage device and provides thunderbolt safety discharge passageway, and the earth electrode flows into the ground with the thunderbolt, more is favorable to 10kV circuit to avoid thunderbolt tripping operation and broken string accident emergence.

Description

Mounting equipment and lightning protection system

Technical Field

The utility model relates to the technical field of lightning protection of transmission lines, in particular to mounting equipment and a lightning protection system.

Background

At present, the insulation performance of a 10kV power transmission line only meets the requirement of line safety transmission voltage, the insulation level is lower, the power transmission line does not have lightning strike overvoltage resistance, and once the line is struck by lightning, the line is usually tripped or broken, so that the economic benefit and the power utilization safety and stability are influenced.

In recent years, the insulating cross arm is applied more and more widely at 10kV, a certain lightning protection effect is obtained, but the manufacturing cost of the insulating cross arm is high, and all towers of a whole line are not transformed, so that a part of towers are matched with the insulating cross arm and a part of towers are matched with the iron cross arm in one line, and the two matching modes have great difference in insulating level, wherein the lightning resistance level of the towers matched with the insulating cross arm is high, and the lightning resistance level of the towers matched with the iron cross arm is weak. Once a lightning strike of a certain intensity is suffered, lightning waves will propagate along the conductor for several kilometers, and once a tower with weak lightning resistance level exists within the range of several kilometers, lightning strike accidents will be caused at this base tower. Therefore, the application of the traditional insulating cross arm needs to achieve a certain lightning protection effect, and more than 60% of towers need to be modified.

The method for installing the line type zinc oxide lightning rod on the tower is to punch holes on the angle steel of the tower cross arm, then connect the lightning rod and the counting support thereof with the cross arm, install one lightning rod, use heavy puncher in high altitude, punch holes on the tower head, transport punching equipment to the tower, the heavy tower body of the punching equipment is too high, and increase the heavy and dangerous performance of staff.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned prior art problems.

The utility model aims to provide mounting equipment, which aims to solve the problems that when a lightning rod is mounted, holes are required to be drilled in a high-altitude state, and the holes are inconvenient to drill in a tower head and associated with dangers.

In order to solve the technical problems, the utility model provides the following technical scheme: a mounting apparatus, comprising. The mounting unit comprises a fixed mounting assembly, a movable mounting assembly arranged in the middle of the fixed mounting assembly and a limiting assembly arranged on the side edge of the fixed mounting assembly.

As a preferred embodiment of the mounting apparatus of the present utility model, wherein: the fixed mounting assembly comprises a shell member, a hoop arranged at one end of the shell member, and a side box arranged at the outer side of the shell member.

As a preferred embodiment of the mounting apparatus of the present utility model, wherein: the limiting assembly comprises a pressing block assembly, and a first movable rod piece and a second movable rod piece which are arranged on two sides of the pressing block assembly respectively.

As a preferred embodiment of the mounting apparatus of the present utility model, wherein: the movable mounting assembly comprises a movable sleeve, a limiting plate arranged on the side face of the movable sleeve, a tower sleeve slot arranged in the middle of the movable sleeve and a mounting plugboard arranged on the side face of the movable sleeve.

As a preferred embodiment of the mounting apparatus of the present utility model, wherein: the housing member includes a housing, a slot disposed in the housing, and a slot disposed between the housings.

As a preferred embodiment of the mounting apparatus of the present utility model, wherein: the pressing block assembly comprises a movable pressing block, a pressing plate arranged on the side face of the movable pressing block and a spring arranged at one end of the movable pressing block.

As a preferred embodiment of the mounting apparatus of the present utility model, wherein: the first movable rod piece comprises a long rod, a connecting shaft arranged at one end of the long rod, a fixed head arranged at the other end of the long rod, and a clamping block arranged on the side face of the long rod.

As a preferred embodiment of the mounting apparatus of the present utility model, wherein: the middle of the side box is provided with a groove.

The mounting device has the beneficial effects that: the fixed installation component is installed at the top end of the pole tower, holes are not needed in the whole installation process, the lightning protection equipment is installed on the movable installation component subsequently, the process can be completed on the ground, and finally the movable installation component is assembled on the fixed installation component, so that the installation of the lightning protection equipment is completed; the whole process does not need to use a perforating machine, and has high safety; the device has simple and reliable integral structure and higher practicability.

The utility model further aims to provide a lightning protection system which aims to solve the problem of lightning protection of a 10kV power transmission line.

In order to solve the technical problems, the utility model also provides the following technical scheme: a lightning protection system comprising a mounting apparatus; and the lightning protection unit comprises a pole tower, a lightning rod arranged at the upper end of the pole tower, a needle point arranged at the upper end of the lightning rod, an insulating cross arm arranged at one side of the lightning rod, a cable lead arranged at the end of the insulating cross arm, a connecting rod arranged below the insulating cross arm, a gap overvoltage prevention device arranged on the connecting rod and a grounding assembly arranged on the lightning rod.

As a preferred embodiment of the lightning protection system of the utility model, wherein: the grounding assembly comprises a steel strand, a horizontal grounding electrode arranged at one end of the steel strand, and a vertical grounding electrode arranged on the horizontal grounding electrode.

The lightning protection system has the beneficial effects that: the lightning arrester is combined with the insulating cross arm, wherein the lightning arrester is used as a first layer of protection, so that the impact of lightning direct lightning striking can be reduced, the insulating cross arm is used as a second layer of protection, the insulating level is greatly improved, the gap overvoltage prevention device is matched to provide a lightning safety discharge channel, the grounding electrode flows lightning into the ground, and the lightning trip and disconnection accidents of a 10kV line are avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and it is also possible for a person skilled in the art to follow these without inventive effort:

fig. 1 is a schematic view of a mounting unit in the present utility model.

Fig. 2 is a schematic view of the use of the mounting unit in the present utility model.

Fig. 3 is a schematic view showing the disassembly of the parts of the mounting unit in the present utility model.

Fig. 4 is a schematic view of a limiting assembly according to the present utility model.

Fig. 5 is a schematic view of a movable mounting assembly in the present utility model.

Fig. 6 is a schematic diagram of a lightning protection unit in the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 3, a first embodiment of the present utility model provides a mounting apparatus, which includes a mounting unit 100 including a fixed mounting assembly 101, a movable mounting assembly 103 disposed in the middle of the fixed mounting assembly 101, and a limiting assembly 102 disposed at a side of the fixed mounting assembly 101.

It should be noted that two limiting assemblies 102 are provided, which plays a better role in limiting.

Preferably, the movable mounting assembly 103 is fixed inside the fixed mounting assembly 101 by the limiting assembly 102.

When in use, the movable mounting assembly 103 is inserted into the fixed mounting assembly 101 and finally fixed by the limiting assembly 102.

In sum, through the cooperation of movable mounting subassembly 103 and fixed mounting subassembly 101, finally through spacing subassembly 102 fixed, whole installation is simple easy operation.

Example 2

Referring to fig. 2-5, a lightning protection system is further provided for a second embodiment of the utility model. The device comprises a mounting unit 100, a fixing and mounting assembly 101, a movable mounting assembly 103 arranged in the middle of the fixing and mounting assembly 101, and a limiting assembly 102 arranged on the side edge of the fixing and mounting assembly 101.

Further, the fixed mounting assembly 101 includes a housing member 101a, a hoop 101b disposed at one end of the housing member 101a, and a side case 101c disposed outside the housing member 101 a.

Further, the limiting assembly 102 includes a pressing block assembly 102a, and a first movable rod 102c and a second movable rod 102b disposed on two sides of the pressing block assembly 102a, respectively.

Further, the movable mounting assembly 103 includes a movable sleeve 103a, a limiting plate 103b disposed on a side surface of the movable sleeve 103a, a tower sleeve slot 103d disposed in the middle of the movable sleeve 103a, and a mounting insert plate 103c disposed on a side surface of the movable sleeve 103a.

Further, the housing member 101a includes a housing 101 a-1), a socket 101a-2 provided on the housing 101 a-1), a tower sleeve 101a-4 provided in the middle of the housing 101 a-1), and a slot 101-3 provided between the housing 101 a-1) and the tower sleeve 101 a-4.

Further, the press block assembly 102a includes a movable press block 102a-1, a press plate 102a-2 disposed at a side of the movable press block 102a-1, and a spring 102a-3 disposed at one end of the movable press block 102 a-1.

Further, the first movable rod 102c includes a long rod 102c-1, a connecting shaft 102c-3 disposed at one end of the long rod 102c-1, a fixed head 102c-4 disposed at the other end of the long rod 102c-1, and a clamping block 102c-2 disposed at a side surface of the long rod 102 c-1.

Further, a groove 101c-1 is provided in the middle of the side case 101c.

The outer side of the housing member 101a is provided with two side tanks 101c, and the two side tanks 101c are symmetrically distributed; the lower end of the housing member 101a is connected to the anchor ear 101b.

Preferably, the socket 101a-2 is disposed in the middle of the two side cases 101 c; the tower sleeve 101a-4 is configured to fit over the upper end of the tower 208; the socket 101-3 is used to receive the movable sleeve 103a.

Preferably, the side case 101c is U-shaped, the limiting component 102 is disposed in the groove 101c-1 of the side case 101c, and the limiting plate 103b is disposed in the middle of the side case 101c.

Preferably, the socket 101a-2 is adapted to be inserted into the mounting board 103c.

Preferably, the upper ends of both the tower sleeve 101a-4 and the movable sleeve 103a are closed.

Preferably, two limiting plates 103b are arranged, and the width of the limiting plates is consistent with that of the side box 101 c; the mounting plugboard 103c is T-shaped and is used for mounting lightning protection equipment, such as lightning rod and other equipment, and the specific mounting mode is determined by staff, and can adopt modes of welding, fixing bolts and the like.

Preferably, the first movable rod piece 102c and the second movable rod piece 102b have the same specification, and are not connected with the press block assembly 102 a; wherein the first movable rod piece 102c and the second movable rod piece 102b are connected to the inner wall of the side box 101c through the connecting shaft 102c-3, and can swing through the connecting shaft 102 c-3; the pressing block assembly 102a is connected with the inner bottom surface of the side box 101c through a spring 102a-3, and the pressing block assembly 102a has a certain activity degree; the clamping block 102c-2 has the main function of stabilizing the limiting plate 103b and avoiding the shaking of the limiting plate 103 b; the long rod 102c-1 is L-shaped, and the connecting shaft 102c-3 is disposed at the turning position of the long rod 102 c-1.

When the fixed installation assembly 101 is used, the first condition is that the tower is not inserted on the ground, and at the moment, a worker is fixed through the anchor ear 101b by sleeving the tower sleeve 101a-4 at the upper end of the tower; secondly, the tower is inserted on the ground, and at the moment, workers need to finish the operation through a crane; next, the method includes the steps of; the lightning protection device is mounted on the movable mounting assembly 103 in advance, then the aggregate of the lightning protection device and the movable mounting assembly 103 is transported to the top of the tower through the crane, and the movable mounting assembly 103 is inserted on the fixed mounting assembly 101 through an installer; when the movable sleeve 103a is inserted into the slot 101-3, the lower end of the limiting plate 103b presses the movable pressing block 102a-1, the movable pressing block 102a-1 drives the pressing plate 102a-2 to press the shorter side of the long rod 102c-1, so that the long rod 102c-1 swings, the fixed heads 102c-4 of the first movable rod 102c and the second movable rod 102b abut against each other, the limiting plate 103b is clamped by the clamping block 102c-2, and at the moment, a worker needs to fix the two fixed heads 102c-4 by bolts.

In summary, the fixed mounting component 101 needs to adopt different mounting means according to specific situations, but the specific mounting mode is simple and reliable; the movable installation assembly 103 is simpler in installation mode, only a person is required to assist in aligning the movable installation assembly 103 with the fixed installation assembly 101, and when the movable installation assembly is inserted, the movable sleeve 103a is kept to be inserted into the slot 101-3, the limiting plate 103b is inserted into the side box 101c, and the installation plugboard 103c is inserted into the socket 101 a-2; finally, the two fixing heads 102c-4 are fixed through bolts; in the real installation process, a perforating machine is not required to be used for perforating, the installation process is simple, and the risk is low.

Example 3

Referring to fig. 1 to 6, which are a third embodiment of the present utility model, unlike the previous two embodiments, the lightning protection unit 200 further includes a tower 208, a lightning rod 201 disposed at an upper end of the tower 208, a needle tip 204 disposed at an upper end of the lightning rod 201, an insulating cross arm 202 disposed at one side of the lightning rod 201, a cable wire 206 disposed at an end of the insulating cross arm 202, a connection rod 207 disposed below the insulating cross arm 202, a gap overvoltage protection device 203 disposed on the connection rod 207, and a grounding assembly 205 disposed on the lightning rod 201.

Further, the grounding assembly 205 includes a steel strand 205a, a horizontal grounding electrode 205b disposed at one end of the steel strand 205a, and a vertical grounding electrode 205c disposed on the horizontal grounding electrode 205 b.

The tip 204 is hot dip galvanized round steel with the diameter of 16mm, the outer layer of the lightning rod 201 is made of high-temperature vulcanized silicone rubber, and the inside of the lightning rod 201 is wound with a pure copper cable to form an inductor, so that the lightning rod has a lightning wave filtering effect and is used for reducing the impact strength of lightning waves.

Preferably, the base material of the insulating cross arm 202 is a round solid glass fiber rod, the length is 850mm, the diameter is 60mm, and the outer layer of the base material of the insulating cross arm 202 is made of high-temperature vulcanized silicone rubber.

Preferably, the number of the gap overvoltage protection devices 203 is configured according to the number of the wires, and the gap overvoltage protection devices 203 have the function of safely discharging lightning current.

Preferably, when the lightning protection reconstruction point position of the line is selected, only the key protection tower is selected, the reconstruction rate of the whole line tower is 10% generally, the better protection effect can be achieved, and the overall economic benefit is better than that of the prior art.

Preferably, the grounding down conductor 7 is a steel strand with the section of 35mm2 and the length of 10m; the horizontal grounding electrode 14 is made of hot dip galvanized 50 flat steel with the length of 2000 mm; the grounding electrode 4 comprises a vertical grounding electrode 13 and a horizontal grounding electrode 14, and the vertical grounding electrode 13 is a hot dip galvanizing 50 angle steel with the length of 1500 mm.

When the lightning rod is used, the tower-top lightning rod 201 is used as a first layer of protection, so that the impact of direct lightning striking of lightning can be reduced, the insulating cross arm 202 is used as a second layer of protection, the insulating level is greatly improved, the gap overvoltage prevention device 203 provides a lightning safety discharge channel, and the grounding assembly 205 is a necessary device for lightning to flow into the ground.

The combined lightning protection device for the 10kV overhead distribution line is formed by organically combining a plurality of lightning protection devices, the protection performance of different lightning protection devices is different in emphasis, and the combination is designed from the structure, so that the comprehensive performance of the 10kV distribution network lightning protection is broken through, and the 10kV line is more beneficial to avoiding lightning trip and disconnection accidents.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A mounting apparatus characterized by: comprising the steps of (a) a step of,

the mounting unit (100) comprises a fixed mounting assembly (101), a movable mounting assembly (103) arranged in the middle of the fixed mounting assembly (101), and a limiting assembly (102) arranged on the side edge of the fixed mounting assembly (101);

the fixed mounting assembly (101) comprises a shell member (101 a), a hoop (101 b) arranged at one end of the shell member (101 a), and a side box (101 c) arranged at the outer side of the shell member (101 a).

2. The mounting apparatus of claim 1, wherein: the limiting assembly (102) comprises a pressing block assembly (102 a), and a first movable rod piece (102 c) and a second movable rod piece (102 b) which are arranged on two sides of the pressing block assembly (102 a).

3. The mounting device according to claim 1 or 2, characterized in that: the movable mounting assembly (103) comprises a movable sleeve (103 a), a limiting plate (103 b) arranged on the side face of the movable sleeve (103 a), a tower sleeve slot (103 d) arranged in the middle of the movable sleeve (103 a), and a mounting plugboard (103 c) arranged on the side face of the movable sleeve (103 a).

4. A mounting device according to claim 3, wherein: the housing part (101 a) comprises a housing (101 a-1), a socket (101 a-2) arranged on the housing (101 a-1), a tower sleeve (101 a-4) arranged in the middle of the housing (101 a-1), and a slot (101-3) arranged between the housing (101 a-1) and the tower sleeve (101 a-4).

5. The mounting apparatus of claim 2, wherein: the press block assembly (102 a) comprises a movable press block (102 a-1), a press plate (102 a-2) arranged on the side surface of the movable press block (102 a-1), and a spring (102 a-3) arranged at one end of the movable press block (102 a-1).

6. The mounting apparatus of claim 5, wherein: the first movable rod piece (102 c) comprises a long rod (102 c-1), a connecting shaft (102 c-3) arranged at one end of the long rod (102 c-1), a fixed head (102 c-4) arranged at the other end of the long rod (102 c-1), and a clamping block (102 c-2) arranged on the side face of the long rod (102 c-1).

7. The mounting apparatus of claim 6, wherein: a groove (101 c-1) is arranged in the middle of the side box (101 c).

8. The mounting apparatus of claim 7, wherein: the shell piece (101 a) and the movable mounting assembly are integrally formed.

9. A lightning protection system, characterized by: comprising a mounting device according to any one of claims 1-8; the method comprises the steps of,

the lightning protection unit (200) comprises a pole tower (208), a lightning rod (201) arranged at the upper end of the pole tower (208), a needle point (204) arranged at the upper end of the lightning rod (201), an insulating cross arm (202) arranged at one side of the lightning rod (201), a cable lead (206) arranged at the end of the insulating cross arm (202), a connecting rod (207) arranged below the insulating cross arm (202), a gap overvoltage prevention device (203) arranged on the connecting rod (207) and a grounding assembly (205) arranged on the lightning rod (201).

10. The lightning protection system of claim 9, wherein: the grounding assembly (205) comprises a steel strand (205 a), a horizontal grounding electrode (205 b) arranged at one end of the steel strand (205 a), and a vertical grounding electrode (205 c) arranged on the horizontal grounding electrode (205 b).