CN215485033U

CN215485033U - Cross arm clamp

Info

Publication number: CN215485033U
Application number: CN202121654959.9U
Authority: CN
Inventors: 余启育; 甄乾光; 叶有良
Original assignee: Jiangmen Electric Power Design Institute Ltd
Current assignee: Jiangmen Electric Power Design Institute Ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-01-11
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a cross arm clamp which comprises a first clamping plate, a second clamping plate and a fixing hoop, wherein the first clamping plate is used for being fixed on a main material of a steel tower; the second clamping plate is used for clamping the steel tower main material in a matching way with the first clamping plate; the fixed staple bolt set up in the second splint, fixed staple bolt is including spacing portion and the fixed part that is used for installing the cross arm, the fixed part with the second splint are connected, are favorable to reducing the construction work volume, shorten the engineering time.

Description

Cross arm clamp

Technical Field

The utility model relates to the technical field of power equipment, in particular to a cross arm clamp.

Background

The steel tower is a common pole tower element in a distribution network line, in order to improve the power supply reliability, generally, the power equipment such as a switch on a steel tower mounting column is used for guaranteeing the power utilization safety, taking the switch on the mounting column as an example, the steel tower is generally mounted at a strain corner position of the line, and a cross arm is required to be mounted as a mounting bracket of the switch on the column.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a cross arm clamp which is beneficial to reducing the construction work amount and shortening the construction time.

The embodiment of the utility model provides a cross arm clamp which comprises a first clamping plate, a second clamping plate and a fixing hoop, wherein the first clamping plate is used for being fixed on a main material of a steel tower; the second clamping plate is used for clamping the steel tower main material in a matching way with the first clamping plate; the fixed hoop is arranged on the second clamping plate and comprises a limiting portion and a fixing portion, the limiting portion is used for mounting the cross arm, and the fixing portion is connected with the second clamping plate.

The cross arm clamp provided by the utility model at least has the following beneficial effects: the first clamping plate and the second clamping plate are mutually matched and clamped on the main material of the steel tower, and the fixed hoop is arranged on the second clamping plate, so that the cross arm can be conveniently installed, the fixing hoop is provided with a limiting part, the design shape of the limiting part is matched with the cross arm structure, the fixing part is matched with the mounting position of the fixed cross arm, if electric equipment is required to be mounted on the steel tower, the cross arm can be directly clamped on the main material of the steel tower through the first clamping plate and the second clamping plate, after the cross arm is arranged on the limiting part, the position of the cross arm is flexibly adjusted according to actual requirements, and then the fixing part is fixedly connected with the second clamping plate so as to stabilize the mounting position of the cross arm, therefore, the power equipment can be conveniently installed on the cross arm, the whole installation and fixing process of the cross arm is convenient to operate, machining steps such as cutting and punching are not needed on site, the construction work amount is reduced, and the construction time is shortened.

According to some embodiments of the present invention, the first clamping plate includes a first connecting portion, a second connecting portion and a bending portion, the bending portion is connected to the first connecting portion and the second connecting portion, two ends of the bending portion respectively press against the steel tower main material, and a hollow area is formed between the bending portion and the steel tower main material. Through setting up first connecting portion, second connecting portion and kink, first connecting portion and second connecting portion respectively with steel tower main material zonulae occludens, through set up the kink between first connecting portion and second connecting portion, the both ends of kink support respectively and press steel tower main material to and form the fretwork region between the steel tower main material, can increase the strong point of being connected between first splint and the steel tower main material, be favorable to strengthening the stability of connecting, make the centre gripping of first splint more firm.

According to some embodiments of the utility model, the bent portion is a straight plate, and the cross section of the hollow area is triangular. Through adopting the straight plate structure to make the kink, the cross-section that forms the fretwork region between kink and the steel tower main material is triangle-shaped, can promote the installation intensity effectively, has advantages such as seismic capacity height, long service life, can save the material cost of manufacture of first splint simultaneously.

According to some embodiments of the utility model, the second clamping plate comprises a third connecting part, a fourth connecting part and a fifth connecting part, the fourth connecting part is respectively connected with the third connecting part and the fifth connecting part, the third connecting part and the fourth connecting part are used for being connected with the steel tower main material, and the fixing hoop is arranged at the fifth connecting part. The steel tower main material model is changeable, the third connecting portion, the fourth connecting portion and the fifth connecting portion are connected with the steel tower main material through the third connecting portion and the fourth connecting portion, the second clamping plate with different sides is manufactured, the third connecting portion, the fourth connecting portion and the fifth connecting portion are connected with the steel tower main material, the fixing hoop is arranged on the fifth connecting portion, the structural space can be fully utilized, and the steel tower main material model fixing device is suitable for different installation scenes.

According to some embodiments of the utility model, the fourth connection portion is disposed perpendicular to the third connection portion and the fifth connection portion, respectively. Fourth connecting portion and third connecting portion mutually perpendicular set up to and set up with fifth connecting portion mutually perpendicular, can be so that the second splint be applicable to in the steel tower main material installation scene, the angle steel that the second splint can press from both sides tight different models with first splint mutually support, and the practicality is stronger.

According to some embodiments of the utility model, the fixing device further comprises a first connector, and the fixing hoop is connected with the second clamping plate through the first connector. The cross arm is installed on the second splint through fixed staple bolt, and the cross arm removes suitable position for fixed staple bolt, and the rethread first connecting piece links together fixed staple bolt and second splint to stabilize the mounted position of cross arm.

According to some embodiments of the utility model, the first connecting piece is a bolt, and the fixing portion is provided with a positioning hole for the first connecting piece to pass through. Through setting up the locating hole at the fixed part, the second splint are provided with the hole site relative with the locating hole, after the cross arm has adjusted the mounted position, pass second splint and fixed part with first connecting piece in proper order, screw up the back with first connecting piece, because the effect of friction power can make the cross arm firm the installation on the second splint to can install power equipment on the cross arm, with the simplicity of realization installation power equipment on the steel tower.

According to some embodiments of the utility model, the second cleat is provided with a spacer for supporting an angle cross arm. Through set up the cushion on the second splint, when needs installation angle steel cross arm, the cushion can get up the angle steel pad to mutually support with the spacing portion of fixed staple bolt in order to press from both sides tight angle steel cross arm, make mounting structure more firm.

According to some embodiments of the utility model, the first clamping plate and the second clamping plate are each provided with a bolt hole. Through setting up the bolt hole, when first splint and second splint cooperation centre gripping steel tower owner material, through the bolt hole that passes first splint and second splint with the bolt in proper order, can press from both sides tight steel tower owner material, guarantee the stability of connecting.

According to some embodiments of the utility model, the first clamping plate and the second clamping plate have four bolt holes. Through setting up four bolt holes respectively at first splint and second splint, two liang of relative settings are respectively at first bolt hole on the first splint and the second bolt hole on the second splint, set up the bearing capacity that four bolt holes can strengthen cross arm anchor clamps for the supporting force is bigger, conveniently installs the equipment of multiple difference on the cross arm.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a cross arm clamp according to an embodiment of the present invention;

FIG. 2 is an exploded view of the cross arm clamp according to another embodiment of the present invention;

FIG. 3 is a diagram illustrating an effect of the cross arm clamp according to another embodiment of the present invention;

FIG. 4 is a diagram illustrating an effect of the cross arm clamp according to another embodiment of the present invention;

FIG. 5 is a schematic structural view of a cross arm clamp according to another embodiment of the present invention;

fig. 6 is a view showing an effect of mounting a cross arm jig according to another embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

It will be understood that references to an orientation description, such as an upper, lower, front, rear, left, right, etc., indicate an orientation or positional relationship based on that shown in the drawings or relative to a reference, are only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the present invention. Unless otherwise expressly limited, the terms set, mounted, connected and the like are to be construed broadly, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in consideration of the technical details.

In the description of embodiments of the utility model, reference to the description of the term "one embodiment/implementation," "another embodiment/implementation," or "some embodiments/implementations," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least two embodiments or implementations of the disclosure, and the schematic representation of the term above does not necessarily refer to the same example embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiments of the present invention will be further explained with reference to the drawings.

Referring to fig. 1 to 4, an embodiment of the present invention provides a cross arm clamp 100, including a first clamping plate 400, a second clamping plate 500, and a fixing hoop 600, where the first clamping plate 400 is used to be fixed on a steel tower main material 200; the second clamping plate 500 is used for clamping the steel tower main material 200 in cooperation with the first clamping plate 400; fixed staple bolt 600 sets up in second splint 500, and fixed staple bolt 600 is including spacing portion 610 and the fixed part 620 that is used for installing cross arm 300, and fixed part 620 is connected with second splint 500.

The first clamping plate 400 and the second clamping plate 500 are mutually matched and clamped on the steel tower main material 200, in addition, the fixing hoop 600 is arranged on the second clamping plate 500, the cross arm 300 can be conveniently installed, the limiting part 610 is arranged on the fixing hoop 600, the design shape of the limiting part 610 is matched with the structure of the cross arm 300, the installation position of the cross arm 300 is fixed through the matching of the fixing part 620, if electric equipment is needed to be installed on the steel tower, the first clamping plate 400 and the second clamping plate 500 can be directly clamped on the steel tower main material 200, after the cross arm 300 is installed on the limiting part 610, the position of the cross arm 300 is flexibly adjusted according to the actual requirement, the fixing part 620 is fixedly connected with the second clamping plate 500, so that the installation position of the cross arm 300 is stabilized, the electric equipment can be conveniently installed on the cross arm 300, the whole installation and fixing process of the cross arm 300 is convenient to operate, and processing steps such as cutting, punching and the like on site are not needed, the construction amount is reduced, and the construction time is shortened.

Taking the installation of the switch on the steel tower as an example, the cross arm is generally required to be processed and manufactured on site to serve as a support frame, the construction time can be prolonged by the field installation, the power failure construction time is prolonged, the normal power consumption of users is influenced, in addition, because the material is cut and punched on site, the zinc coating of the original galvanized part is damaged, the iron part loses the protection, the corrosion is fast under the outdoor sun and rain conditions, and the safety of the operation and maintenance in the future is influenced, the cross arm clamp 100 provided by the embodiment is developed according to the characteristics of the steel tower, the defect that the existing iron part processed on site is easy is overcome, the first clamp plate 400 and the second clamp plate 500 are directly clamped on the main angle iron material of the steel tower, in addition, the clamp 100 extends outwards to avoid the crossed inclined material on the steel tower, the cross arm 300 with the supporting function is fixed on the clamp 100 through the fixing hoop 600, compared with the original conventional processes of cutting, punching and the like on site, the method can obviously shorten the construction time, reduce the influence of power failure, and in addition, the material does not need to be processed on site, thereby protecting the zinc coating of the galvanized part, improving the antirust performance of the iron part and ensuring the safety of operation and maintenance in the future.

It should be noted that the fixing hoop 600 is a right-angle hoop, the limiting portion 610 is a U-shaped structure, and the fixing portion 620 extends along two sides of the opening of the limiting portion 610.

As shown in fig. 1 to 3, according to some embodiments of the present invention, the first clamping plate 400 includes a first connecting portion 410, a second connecting portion 420, and a bending portion 430, the bending portion 430 is respectively connected to the first connecting portion 410 and the second connecting portion 420, two ends of the bending portion 430 respectively press against the steel tower main material 200, and a hollow area is formed between the bending portion 430 and the steel tower main material 200. Through setting up first connecting portion 410, second connecting portion 420 and kink 430, first connecting portion 410 and second connecting portion 420 respectively with steel tower main material 200 zonulae occludens, through set up kink 430 between first connecting portion 410 and second connecting portion 420, the both ends of kink 430 support respectively and press steel tower main material 200, thereby and form the fretwork region between the steel tower main material 200, can increase the strong point of being connected between first splint 400 and the steel tower main material 200, be favorable to strengthening the stability of connecting, make the centre gripping of first splint 400 more firm.

As shown in fig. 3, according to some embodiments of the present invention, the bent portion 430 is a straight plate, and the cross section of the hollow area is a triangle. By adopting the straight plate structure to form the bending part 430, the cross section of the hollow area formed between the bending part 430 and the steel tower main material 200 is triangular, so that the installation strength can be effectively improved, the steel tower main material clamping device has the advantages of high anti-seismic capability, long service life and the like, and the material manufacturing cost of the first clamping plate 400 can be saved.

As shown in fig. 1, according to some embodiments of the present invention, the second clamping plate 500 includes a third connecting portion 510, a fourth connecting portion 520 and a fifth connecting portion 530, the fourth connecting portion 520 is connected to the third connecting portion 510 and the fifth connecting portion 530, respectively, the third connecting portion 510 and the fourth connecting portion 520 are used for connecting with the steel tower main material 200, and the fixing hoop 600 is disposed on the fifth connecting portion 530. Considering that the type of steel tower main material 200 is changeable, through setting up interconnect's third connecting portion 510, fourth connecting portion 520 and fifth connecting portion 530, make the second splint 500 that not equilateral, with the shape adaptation of steel tower main material 200, make things convenient for the centre gripping on the steel tower main material 200 of different models, be connected with steel tower main material 200 through third connecting portion 510 and fourth connecting portion 520, will fix staple bolt 600 and set up on fifth connecting portion 530, can make full use of structural space, be applicable to different installation scenarios.

According to some embodiments of the present invention, the fourth connection part 520 is disposed perpendicular to the third and

fifth connection parts

510 and 530, respectively. The fourth connecting portion 520 and the third connecting portion 510 are perpendicular to each other and perpendicular to the fifth connecting portion 530, so that the second clamping plate 500 is suitable for the installation scene of the steel tower main material 200, the second clamping plate 500 and the first clamping plate 400 are matched with each other to clamp different types of angle steel, and the practicability is higher.

As shown in fig. 1, according to some embodiments of the present invention, a first connector 700 is further included, and the fixing hoop 600 is connected to the second clamping plate 500 through the first connector 700. The cross arm 300 is installed on the second clamping plate 500 through the fixing hoop 600, the cross arm 300 is moved to a proper position relative to the fixing hoop 600, and then the fixing hoop 600 and the second clamping plate 500 are connected together through the first connecting member 700 to stabilize the installation position of the cross arm 300.

According to some embodiments of the present invention, the first connector 700 is a bolt, and the fixing portion 620 is provided with a positioning hole 621 for the first connector 700 to pass through. Through setting up locating hole 621 at fixed part 620, second splint 500 is provided with the hole site relative with locating hole 621, after cross arm 300 has adjusted the mounted position, pass second splint 500 and fixed part 620 with first connecting piece 700 in proper order, screw up first connecting piece 700 the back, because the effect of friction, can make cross arm 300 firm and mount on second splint 500 to can install power equipment on cross arm 300, with the simplicity of realization installation power equipment on the steel tower.

As shown in fig. 5 and 6, according to some embodiments of the present invention, the second cleat 500 is provided with a spacer 800, and the spacer 800 is used to support the angle cross arm 300. Through set up cushion 800 on second splint 500, when needs installation angle steel cross arm 300, cushion 800 can be filled up the angle steel to mutually support with the spacing portion 610 of fixed staple bolt 600 in order to press from both sides tight angle steel cross arm 300, make mounting structure more firm. It should be noted that the cushion block 800 is a U-shaped angle steel structure, and is adapted to the shape of the limiting portion 610.

As shown in fig. 1 or 5, according to some embodiments of the present invention, the first clamping plate 400 and the second clamping plate 500 are each provided with bolt holes. Through setting up the bolt hole, when first splint 400 and second splint 500 cooperation centre gripping steel tower main material 200, through the bolt hole that passes first splint 400 and second splint 500 with the bolt in proper order, can press from both sides tight steel tower main material 200, guarantee the stability of connecting.

As shown in fig. 1, according to some embodiments of the present invention, each of the bolt holes of the first clamping plate 400 and the bolt holes of the second clamping plate 500 is four. Through setting up four bolt holes respectively at first splint 400 and second splint 500, first bolt hole 440 on first splint 400 and second bolt hole 540 on second splint 500 are two liang of relative settings respectively, set up the bearing capacity that four bolt holes can strengthen cross arm anchor clamps 100 for the support dynamics is bigger, conveniently installs the equipment of multiple difference on cross arm 300.

It should be noted that the cross arm 300 may be a channel steel cross arm or an angle steel cross arm, the channel steel cross arm has a large bearing capacity and may be used for a circuit breaker on a supporting column, the angle steel cross arm may be provided with a porcelain cross arm, a lightning arrester, an isolating switch, etc., the cross arm clamp 100 of the embodiment of the present invention is suitable for a 10kV distribution line steel tower, the first clamping plate 400 and the second clamping plate 500 may clamp steel angles of a main material model L160 or less, the fixed hoop 600 may clamp cross arms 300 of Contraband 8 and Contraband 10, the application range is wide, and in addition, considering the influence of steel tower diagonal materials, the position of the cross arm 300 clamped by the fixed hoop 600 extends outwards and can avoid steel angle diagonal materials of L65 or less.

As shown in fig. 1 and 4, taking the installation of the channel steel cross arm 300 as an example, the channel steel cross arm is clamped on the steel tower main material 200 through the first clamping plate 400 and the second clamping plate 500, and is fixed by four fastening bolts, which is beneficial to enhancing the supporting strength, the channel steel cross arm 300 is installed through the fixing hoop 600, the first connecting piece 700 is screwed to fix the position of the channel steel cross arm 300, the channel steel cross arm 300 can be installed in the forward and reverse directions so as to be flexibly applicable to various situations, and the installation is supported on most of the steel tower models which are used conventionally.

As shown in fig. 5 and 6, taking the installation of the angle iron cross arm 300 as an example, the angle iron cross arm 300 is clamped on the steel tower main material 200 through a first clamping plate 400 and a second clamping plate 500 and is fixed by two fastening bolts, a cushion block 800 is welded on the second clamping plate 500, the angle iron cross arm 300 of L80 and below can be clamped by matching with a fixing hoop 600, the angle iron cross arm 300 can be installed in the forward direction and the reverse direction so as to be flexibly suitable for various situations, and is supported and installed on most of the steel tower models which are used conventionally.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A cross arm clamp, comprising:

the first clamping plate is used for being fixed on the steel tower main material;

the second clamping plate is used for clamping the steel tower main material in a matching way with the first clamping plate;

the fixed hoop is arranged on the second clamping plate, the fixed hoop comprises a limiting portion and a fixing portion, the limiting portion is used for installing the cross arm, and the fixing portion is connected with the second clamping plate.

2. The cross arm clamp of claim 1, wherein the first clamping plate comprises a first connecting portion, a second connecting portion and a bent portion, the bent portion is connected with the first connecting portion and the second connecting portion respectively, two ends of the bent portion are pressed against the steel tower main material respectively, and a hollow area is formed between the bent portion and the steel tower main material.

3. The cross arm clamp of claim 2, wherein the bent portion is a straight plate, and the cross section of the hollowed-out area is triangular.

4. The cross arm clamp of claim 1, wherein the second clamping plate comprises a third connecting portion, a fourth connecting portion and a fifth connecting portion, the fourth connecting portion is connected with the third connecting portion and the fifth connecting portion respectively, the third connecting portion and the fourth connecting portion are used for being connected with the steel tower main material, and the fixing hoop is arranged at the fifth connecting portion.

5. The cross arm clamp of claim 4, wherein the fourth connecting portion is disposed perpendicular to the third connecting portion and the fifth connecting portion, respectively.

6. The cross arm clamp of claim 1, further comprising a first connector, wherein the securing hoop is connected to the second clamping plate via the first connector.

7. The cross arm clamp of claim 6, wherein the first connecting member is a bolt, and the fixing portion is provided with a positioning hole for the first connecting member to pass through.

8. The cross arm clamp of claim 1, wherein the second clamp plate is provided with a spacer block for supporting an angle cross arm.

9. The cross arm clamp of claim 1, wherein the first clamping plate and the second clamping plate are each provided with bolt holes.

10. The cross arm clamp of claim 9, wherein the bolt holes of the first clamp plate and the bolt holes of the second clamp plate are four in number.