CN202632901U

CN202632901U - Insulator

Info

Publication number: CN202632901U
Application number: CN201220196321.XU
Authority: CN
Inventors: 张�荣; 高华清; 王俊峰; 刘建
Original assignee: Tyco Electronics Shanghai Co Ltd
Current assignee: Tyco Electronics Shanghai Co Ltd
Priority date: 2012-05-03
Filing date: 2012-05-03
Publication date: 2012-12-26
Anticipated expiration: 2022-05-03

Abstract

The utility model discloses an insulator. The insulator comprises a silicone rubber umbrella group, a hardware fitting, an epoxy fiberglass rod, springs and a compression device. The silicone rubber umbrella group is equipped with a cylindrical main body, wherein an inner cavity extending along the axial direction of the cylindrical main body is formed in the cylindrical main body; the hardware fitting and the epoxy fiberglass rod are positioned in the inner cavity of the silicone rubber umbrella group and are assembled together with each other, and a first accommodation hole extending along the axial direction is formed in the hardware fitting; the springs are accommodated in the first accommodation hole of the hardware fitting; and the compression device compresses the springs along the axial direction. Compared with the prior art, the insulator of the utility model realizes large elasticity in the axial direction via a spring mechanism which can be compressed in the axial direction; and at the same time, the hardware fitting and high-strength epoxy fiberglass rod are embedded into the main body of the silicone rubber umbrella group, thereby improving the radial rigidity of the insulator.

Description

Insulator

Technical field

The utility model relates to a kind of insulator, relates in particular to a kind of insulator that is used for supporting hangingly transmission lines such as subway or high ferro.

Background technology

Existing insulator is divided into porcelain insulator and the elastic insulated son of silicon rubber.Porcelain insulator is traditional handicraft, and cement waters the dress gold utensil.This porcelain insulator has enough hot strengths and radial rigidity, but can't bear the environment for use of long-term vibration.The elastic insulated son of silicon rubber is with high-intensity glass-epoxy material; For example; Stick on the stainless steel bar with high strength epoxy resin, be matched with between surface of insulating layer and the transmission line clamp with natural rubber and nano imvite and the adhesion promoter of being correlated with and process the sulfuration elastic layer.The elasticity of the elastic insulated son of this silicon rubber is better, but only adopts rubber as bearing the connector of long-term vibration and mechanism, and its long-term reliability is poor.

The elastic insulated son of porcelain insulator that these are traditional and silicon rubber all is not suitable for environments for use such as subway or high ferro, because there are violent and long-term vibrations in subway and the high ferro.

In subway or high ferro application, transmission line is supported on tunnel body of wall or the support bar through insulator hangingly, and the locomotive of subway or high ferro electrically contacts through pantograph and transmission line slidably, so that supply power to the electric locomotive of subway or high ferro.But; Reason owing to the track of subway or high ferro; For example track seam or track are unequal; Can cause electric locomotive in the process of running at high speed, to have strong vertical tremor, this just requires insulator can on above-below direction (axial direction of insulator), automatically adapt to the vertical tremor of electric locomotive, transmission line is remained with pantograph electrically contact.In addition, also there is frequent double swerve in electric locomotive in the process of running at high speed, and this just requires insulator on left and right directions (radial direction of insulator), to have enough mechanical strengths, so that can not deform and damage.

Therefore, the insulator that subway or high ferro are used must have enough axial elasticities, must have enough radial rigidities again simultaneously, and the elastic insulated son of existing porcelain insulator and silicon rubber all can't be realized this function.

The utility model content

To the aforementioned technical problem that exists in the prior art, the utility model is intended to provide a kind of insulator, and it not only has enough axial elasticities and has enough radial rigidities simultaneously again.

An aspect according to the utility model provides a kind of insulator, comprising: the silicon rubber cluster parachute, and said silicon rubber cluster parachute has cylindrical body, is formed with in the said cylindrical body along its axially extended inner chamber; Be arranged in the gold utensil and the epoxy fibreglass rod of the inner chamber of said silicon rubber cluster parachute, said gold utensil and epoxy fibreglass rod fit together each other, and are formed with in the said gold utensil along said axially extended first accepting hole; Be contained in the spring in first accepting hole of said gold utensil; With compression set along the said spring of said axial compression.

A preferred embodiment according to the utility model; Be formed with on the said gold utensil along said axially extended first threaded mounting hole; And on said epoxy fibreglass rod, be formed with along said axially extended second threaded mounting hole, said first threaded mounting hole on this second threaded mounting hole and the said gold utensil said axially on complete threaded mounting hole of formation during relatively and in installment state; Said gold utensil and said epoxy fibreglass rod fit together through the screw rod that is screwed into said threaded mounting hole each other.

Another preferred embodiment according to the utility model; Said screw rod is along said extending axially; One end of said screw rod passes said gold utensil via said first threaded mounting hole and is threaded with second threaded mounting hole of said epoxy fibreglass rod, and the other end passes said compression set and is threaded with at least two adjusting nuts.

According to another preferred embodiment of the utility model, said compression set comprises first pressing plate that directly is pressed against on the said spring.

According to another preferred embodiment of the utility model, said compression set comprise first pressing plate and with the rigidly connected rigidity briquetting of said first pressing plate, said rigidity briquetting is assemblied in first accepting hole of said gold utensil and is pressed against on the said spring.

According to another preferred embodiment of the utility model, also be formed with on the said gold utensil along said axially extended, with separated second accepting hole of said first accepting hole; Said insulator comprises also and the rigidly connected rigidity briquetting of said first pressing plate that said rigidity briquetting is assemblied in second accepting hole of said gold utensil; And said first pressing plate directly is pressed against on the said spring.

According to another preferred embodiment of the utility model, during installation, said insulator is fixed on the fixed head on the mounting bracket hangingly, and said fixed head is pressed against on said first pressing plate, and the other end of said screw rod passes said fixed head.

According to another preferred embodiment of the utility model, said insulator also comprises: resilient rubbber cushion, said resilient rubbber cushion are pressed against on the said fixed head; With second pressing plate, said second pressing plate is pressed against on the said resilient rubbber cushion, and the other end of said screw rod passes said resilient rubbber cushion and said second pressing plate.

According to another preferred embodiment of the utility model, said first accepting hole in the said gold utensil is the looping pit of opening outwardly.

According to another preferred embodiment of the utility model, said threaded mounting hole is the screwed hole of centre of keeping apart with said first accepting hole.

According to another preferred embodiment of the utility model, said first accepting hole in the said gold utensil is the central cylindrical hole of the opening outwardly that is communicated with said threaded mounting hole.

According to another preferred embodiment of the utility model, said screw rod passes first accepting hole of the central cylindrical of said gold utensil, and is slidingly matched with the rigidity briquetting and the spring that are contained in first accepting hole.

Another preferred embodiment according to the utility model; Said insulator also comprises: flange; Said flange is connected bottom one end of the insulator relative with said insulator top first pressing plate of said silicon rubber cluster parachute, and said flange is suitable for use in the suspension transmission line.

According to another preferred embodiment of the utility model, said transmission line is the transmission line of subway or high ferro, but forms being electrically connected of slide relative between the pantograph of said transmission line and subway or high ferro locomotive.

According to another preferred embodiment of the utility model, said screw rod is threaded with said first pressing plate and fixed head.

According to another preferred embodiment of the utility model, said screw rod is threaded with said first pressing plate, fixed head and second pressing plate.

According to another preferred embodiment of the utility model, said spring is helical spring or butterfly spring.

According to another preferred embodiment of the utility model, said second accepting hole is the looping pit of opening outwardly.

According to another preferred embodiment of the utility model, said compression set comprises: first pressing plate; The first rigidity briquetting that is connected with said first pressing plate, the said first rigidity briquetting is assemblied in first accepting hole of said gold utensil slidably; Be contained in said first accepting hole and the second rigidity briquetting relative with the said first rigidity briquetting, said spring is compressed between the said first and second rigidity briquettings.

Another preferred embodiment according to the utility model; Be formed with on the said gold utensil along said axially extended first threaded mounting hole; And on said epoxy fibreglass rod, be formed with along said axially extended second threaded mounting hole, said first threaded mounting hole on this second threaded mounting hole and the said gold utensil said axially on complete threaded mounting hole of formation during relatively and in installment state; Said gold utensil and said epoxy fibreglass rod fit together through first screw rod that is screwed into said threaded mounting hole each other.

According to another preferred embodiment of the utility model, be formed with the axial hole that cooperates with the second rigidity briquetting in the said first rigidity briquetting, the said second rigidity briquetting is slidingly received in the axial hole of the said first rigidity briquetting.

According to another preferred embodiment of the utility model, said first screw rod is formed on the bottom of the said second rigidity briquetting.

According to another preferred embodiment of the utility model, the upper end of said epoxy fibreglass rod is formed with the assembling recess that cooperates with said gold utensil, and said gold utensil is inlaid in the assembling recess of said epoxy fibreglass rod.

According to another preferred embodiment of the utility model, said insulator also comprises at least two radially pins, said radially pin along the radially extension of said silicon rubber cluster parachute and be fixed on said gold utensil and said epoxy fibreglass rod on.

According to another preferred embodiment of the utility model, the upper end of said epoxy fibreglass rod roughly evenly cooperates with the lower end of said gold utensil.

According to another preferred embodiment of the utility model, said insulator also comprises at least two radially pins, and the radially extension of the said silicon rubber cluster parachute in said radially pin edge also is fixed on the said gold utensil.

Another preferred embodiment according to the utility model; Be formed with radial hole in the said first rigidity briquetting; Said radially the inner of pin extends in the radial hole of the said first rigidity briquetting; And the diameter of the radial hole of the said first rigidity briquetting makes the said first rigidity briquetting axially in preset distance, to move along said with respect to said radially pin, thereby the decrement of said spring is limited in the preset distance greater than said radially pin.

According to another preferred embodiment of the utility model, the upper end of the said first rigidity briquetting is formed with second screw rod, and the said first rigidity briquetting is threaded with said first pressing plate through said second screw rod.

Another preferred embodiment according to the utility model; During installation; Said insulator is fixed on the fixed head on the mounting bracket hangingly; Said fixed head is pressed against on said first pressing plate, and the other end of said second screw rod passes said fixed head and is threaded with at least two adjusting nuts.

According to another preferred embodiment of the utility model, said insulator also comprises: resilient rubbber cushion, said resilient rubbber cushion are pressed against on the said fixed head; With second pressing plate, said second pressing plate is pressed against on the said resilient rubbber cushion, and said second screw rod passes said resilient rubbber cushion and said second pressing plate.

Compared with prior art; In each embodiment of the utility model; But the spring mechanism that adopts axial compression is realized the axially big spring function of insulator, simultaneously gold utensil and high-strength epoxy glass fiber rod is inlaid in the main body of silicon rubber cluster parachute, thereby has improved the radial rigidity of insulator.In addition, in the utility model, also in the hole of gold utensil, be equipped with and be used to locate or compress the rigidity briquetting of spring and pin radially, thereby can further improve the radial rigidity of insulator.

Description of drawings

Fig. 1 shows the cutaway view according to the insulator of first embodiment of the utility model;

Fig. 2 shows the cutaway view according to the insulator of second embodiment of the utility model;

Fig. 3 shows the cutaway view according to the insulator of the 3rd embodiment of the utility model;

Fig. 4 shows the cutaway view according to the insulator of the 4th embodiment of the utility model;

Fig. 5 shows the cutaway view according to the insulator of the 5th embodiment of the utility model;

Fig. 6 shows the cutaway view according to the insulator of the 6th embodiment of the utility model;

Fig. 7 shows the cutaway view according to the insulator of the 7th embodiment of the utility model;

Fig. 8 shows the cutaway view according to the insulator of the 8th embodiment of the utility model; With

Fig. 9 shows the cutaway view according to the insulator of the 9th embodiment of the utility model.

Embodiment

Describe the embodiment of the exemplary of the utility model below in detail, the example of embodiment is shown in the drawings, and wherein same or analogous label is represented same or analogous element.The embodiment that is described with reference to the drawings below is exemplary, is intended to explain the utility model, and can not be interpreted as the restriction to the utility model.

[first embodiment]

Fig. 1 shows the cutaway view according to the insulator 100 of first embodiment of the utility model.

In a preferred embodiment of the utility model, insulator 100 is the insulator of the transmission line that is used for supporting hangingly subway or high ferro.In this applicable cases, transmission line is electrically connected with the pantograph of subway or high ferro locomotive slidably.As in background technology, saying, the insulator that this subway or high ferro are used must have enough axial elasticities, must have enough radial rigidities again simultaneously.But, note that the insulator of the utility model is not limited to this, it can be the insulator of any transmission line.

As shown in Figure 1, insulator 100 mainly comprises silicon rubber cluster parachute 109, gold utensil 107, epoxy fibreglass rod 110, spring 106, rigidity briquetting 105, first pressing plate 104 and screw rod 101.

In the embodiment shown in fig. 1, silicon rubber cluster parachute 109 has cylindrical body, is formed with the inner chamber that extends along its axial (axis) X in this cylindrical body.

Please continue referring to Fig. 1, gold utensil 107 is installed in the inner chamber of silicon rubber cluster parachute 109, and is positioned at the roughly first half of inner chamber.The roughly first half of silicon rubber cluster parachute 109 is embossed on the gold utensil 107.The upper surface of gold utensil 107 is roughly concordant with the upper opening end face of the inner chamber of silicon rubber cluster parachute 109.

As shown in Figure 1, epoxy fibreglass rod 110 is arranged in the inner chamber of silicon rubber cluster parachute 109, and is positioned at the roughly Lower Half of inner chamber.The upper surface of epoxy fibreglass rod 110 is concordant with the lower surface of gold utensil 107 and be in contact with one another, and the lower surface of epoxy fibreglass rod 110 is roughly concordant with the lower openings end face of the inner chamber of silicon rubber cluster parachute 109 or protrude a little.The outer peripheral face of epoxy fibreglass rod 110 closely contacts with the side face of the inner chamber of silicon rubber cluster parachute 109.In an embodiment of the utility model, silicon rubber cluster parachute 109 can be embossed on the epoxy fibreglass rod 110.

In the embodiment shown in fig. 1; Insulator 100 also comprises the flange 111 that is positioned at its lower end; This flange 111 is threaded with the lower end of epoxy fibreglass rod 110; The lower mould of silicon rubber cluster parachute 109 is pressed on the flange 111, and the lower surface of epoxy fibreglass rod 110 is resisted against on the end face of flange 111, thereby epoxy fibreglass rod 110 is fixed in the inner chamber of cylindrical body of silicon rubber cluster parachute 109.

Although not shown, flange 111 is used for fixing and keeps transmission line, thereby transmission line is supported on the insulator 100 hangingly.

Please continue referring to Fig. 1, on gold utensil 107, be formed with annular first accepting hole 108 that extends along aforementioned axial X.Preferably, as shown in Figure 1, annular first accepting hole 108 does not penetrate gold utensil 107, and its underpart has diapire.But the utility model is not limited to this, and annular first accepting hole 108 also can penetrate gold utensil 107.

As shown in Figure 1, helical spring 106 heavy being located in annular first accepting hole 108 of gold utensil 107, the lower end abutment of helical spring 106 is on the diapire of annular first accepting hole 108.

In the embodiment shown in fig. 1; The rigidity briquetting 105 and first pressing plate 104 are rigidly connected; And rigidity briquetting 105 and annular first accepting hole, 108 couplings; Be assemblied in annular first accepting hole 108 of gold utensil 107, and the lower end of rigidity briquetting 105 is pressed on the helical spring 106, down (towards epoxy fibreglass rod 110) extrusion spiral spring 106.In the utility model, rigidity briquetting 105 not only can play the effect of location and extrusion spiral spring 106, but also can improve the radial rigidity of silicon rubber cluster parachute 109.

As shown in Figure 1, first pressing plate 104 is squeezed on the rigidity briquetting 105, is used for the location and maintains rigidity briquetting 105.

Insulator 100 can be fixed on the fixed head 103 of a supporter (not shown, for example high-tension bus-bar bar or subway tunnel wall), thereby can be suspended on this supporter, and in the embodiment shown in fig. 1, fixed head 103 is pressed against on first pressing plate 104.

As shown in Figure 1, also be formed with threaded mounting hole 112a that X vertically extends and that keep apart with first accepting hole 108 on the gold utensil 107.Be formed with the threaded mounting hole 112b that X vertically extends on the epoxy fibreglass rod 110, the complete threaded mounting hole 112 of formation during relatively and in installment state on axial X of the threaded mounting hole 112a on this threaded mounting hole 112b and the gold utensil 107.

As shown in Figure 1; Screw rod 101 extends along aforementioned axial X; One end of screw rod 101 passes gold utensil 107 via the threaded mounting hole 112a on the gold utensil 107 and is threaded with threaded mounting hole 112b on the epoxy fibreglass rod 110, and the other end passes first pressing plate 104 and is threaded with fixed head 103 and with at least two adjusting nuts 102.In illustrated embodiment, can come the decrement of adjustable screw spring 106 through rotation adjusting nut 102, thereby the elasticity of adjustable screw spring 106 so that can be according to practical situations, be adjusted to only degree with the axial elasticity of insulator 100.

In the embodiment shown in fig. 1, also be formed with the center tapped through hole of isolating with annular first accepting hole 108 in the gold utensil 107, screw rod 101 passes the center tapped through hole of gold utensil 107 and is threaded with the center tapped through hole of gold utensil 107.In illustrated embodiment, screw rod 101 is a full flight screw, and it also is threaded with first pressing plate 104 and fixed head 103.

In the embodiment shown in fig. 1; But realize the axially big elasticity requirement of insulator 100 through the helical spring 106 of axial compression; Simultaneously; In the inner chamber of the cylindrical body through gold utensil 107, epoxy fibreglass rod 110 and gold utensil 107 being inlaid in silicon rubber cluster parachute 109, thereby can improve the main body rigidity of silicon rubber cluster parachute 109, thereby realize the requirement of the radially big rigidity of insulator 100.

[second embodiment]

Fig. 2 shows the cutaway view according to the insulator 200 of second embodiment of the utility model.

As shown in Figure 2, insulator 200 mainly comprises silicon rubber cluster parachute 209, gold utensil 207, epoxy fibreglass rod 210, spring 206, rigidity briquetting 205, first pressing plate 204 and screw rod 201.

In the embodiment shown in Figure 2, silicon rubber cluster parachute 209 has cylindrical body, is formed with the inner chamber that extends along its axial (axis) X in this cylindrical body.

Please continue referring to Fig. 2, gold utensil 207 is installed in the inner chamber of silicon rubber cluster parachute 209, and is positioned at the roughly first half of inner chamber.The roughly first half of silicon rubber cluster parachute 209 is embossed on the gold utensil 207.The upper surface of gold utensil 207 is roughly concordant with the upper opening end face of the inner chamber of silicon rubber cluster parachute 209.

As shown in Figure 2, epoxy fibreglass rod 210 is arranged in the inner chamber of silicon rubber cluster parachute 209, and is positioned at the roughly Lower Half of inner chamber.The upper surface of epoxy fibreglass rod 210 is concordant with the lower surface of gold utensil 207 and be in contact with one another, and the lower surface of epoxy fibreglass rod 210 is roughly concordant with the lower openings end face of the inner chamber of silicon rubber cluster parachute 209 or protrude a little.The outer peripheral face of epoxy fibreglass rod 210 closely contacts with the side face of the inner chamber of silicon rubber cluster parachute 209.

In the embodiment shown in Figure 2; Insulator 200 also comprises the flange 211 that is positioned at its lower end; This flange 211 is threaded with the lower end of epoxy fibreglass rod 210; The lower mould of silicon rubber cluster parachute 209 is pressed on the flange 211, and the lower surface of epoxy fibreglass rod 210 is resisted against on the end face of flange 211, thereby epoxy fibreglass rod 210 is fixed in the inner chamber of cylindrical body of silicon rubber cluster parachute 209.

Although not shown, flange 211 is used for fixing and keeps transmission line, thereby transmission line is supported on the insulator 200 hangingly.

Please continue referring to Fig. 2, on gold utensil 207, be formed with central cylindrical first accepting hole 208 that extends along aforementioned axial X.Preferably, as shown in Figure 2, the bottom of central cylindrical first accepting hole 208 has the part diapire.

As shown in Figure 2, helical spring 206 heavy being located in central cylindrical first accepting hole 208 of gold utensil 207, the lower end abutment of helical spring 206 is on the diapire of central cylindrical first accepting hole 208.

In the embodiment shown in Figure 2; The rigidity briquetting 205 and first pressing plate 204 are rigidly connected; And rigidity briquetting 205 and central cylindrical first accepting hole 208 couplings; Be assemblied in central cylindrical first accepting hole 208 of gold utensil 207, and the lower end of rigidity briquetting 205 is pressed on the helical spring 206, down (towards epoxy fibreglass rod 210) extrusion spiral spring 206.In the utility model, rigidity briquetting 205 not only can play the effect of location and extrusion spiral spring 206, but also can improve the radial rigidity of silicon rubber cluster parachute 209.

As shown in Figure 2, first pressing plate 204 is squeezed on the rigidity briquetting 205, is used for the location and maintains rigidity briquetting 205.

Insulator 200 can be fixed on the fixed head 203 of a supporter (not shown, for example high-tension bus-bar bar or subway tunnel wall), thereby can be suspended on this supporter, and in the embodiment shown in Figure 2, fixed head 203 is pressed against on first pressing plate 204.

As shown in Figure 2, also be formed with X threaded mounting hole 212a that extend and that be communicated with first accepting hole 208 vertically on the gold utensil 207.Be formed with the threaded mounting hole 212b that X vertically extends on the epoxy fibreglass rod 210, the complete threaded mounting hole 212 of formation during relatively and in installment state on axial X of the threaded mounting hole 212a on this threaded mounting hole 212b and the gold utensil 207.

As shown in Figure 2; Screw rod 201 extends along aforementioned axial X; One end of screw rod 201 passes gold utensil 207 via the threaded mounting hole 212a on the gold utensil 207 and is threaded with threaded mounting hole 212b on the epoxy fibreglass rod 210, and the other end passes first pressing plate 204 and is threaded with fixed head 203 and with at least two adjusting nuts 202.In illustrated embodiment, can come the decrement of adjustable screw spring 206 through rotation adjusting nut 202, thereby the elasticity of adjustable screw spring 206 so that can be according to practical situations, be adjusted to only degree with the axial elasticity of insulator 200.

In the embodiment shown in Figure 2, screw rod 201 passes central cylindrical first accepting hole 208 of gold utensil 207, and is slidingly matched with helical spring 206 with the rigidity briquetting 205 that is contained in central cylindrical first accepting hole 208.In illustrated embodiment, screw rod 201 also is threaded with first pressing plate 204 and fixed head 203.

In the embodiment shown in Figure 2; But realize the axially big elasticity requirement of insulator 200 through the helical spring 206 of axial compression; Simultaneously; In the inner chamber of the cylindrical body through gold utensil 207, epoxy fibreglass rod 210 and gold utensil 207 being inlaid in silicon rubber cluster parachute 209, thereby can improve the main body rigidity of silicon rubber cluster parachute 209, thereby realize the requirement of the radially big rigidity of insulator 200.

[the 3rd embodiment]

Fig. 3 shows the cutaway view according to the insulator 300 of the 3rd embodiment of the utility model.

The insulator 300 of the 3rd embodiment shown in Figure 3 only is with the difference of the insulator 100 of first embodiment shown in Figure 1: the 3rd embodiment shown in Figure 3 has replaced the helical spring 106 of first embodiment shown in Figure 1 with butterfly spring 306.In addition, the insulator 300 of the 3rd embodiment shown in Figure 3 is identical with the insulator 100 of first embodiment shown in Figure 1, for the sake of brevity, repeats no more here.

[the 4th embodiment]

Fig. 4 shows the cutaway view according to the insulator 400 of the 4th embodiment of the utility model.

The insulator 400 of the 4th embodiment shown in Figure 4 only is with the difference of the insulator 200 of second embodiment shown in Figure 2: the 4th embodiment shown in Figure 4 has replaced the helical spring 206 of second embodiment shown in Figure 2 with butterfly spring 406.In addition; The insulator 400 of the 4th embodiment shown in Figure 4 is identical basically with the insulator 200 of second embodiment shown in Figure 2; And same or analogous parts adopt same or analogous Reference numeral to represent, for the sake of brevity, repeat no more here.

[the 5th embodiment]

Fig. 5 shows the cutaway view according to the insulator 500 of the 5th embodiment of the utility model.

The insulator 500 of the 5th embodiment shown in Figure 5 only is with the difference of the insulator 100 of first embodiment shown in Figure 1: the insulator 500 of the 5th embodiment shown in Figure 5 also comprises the resilient rubbber cushion 512 and second pressing plate 513.

In the 5th embodiment shown in Figure 5; Resilient rubbber cushion 512 is pressed against on the fixed head 503, and second pressing plate 513 is pressed against on the resilient rubbber cushion 512, simultaneously; The other end of screw rod 501 passes the resilient rubbber cushion 512 and second pressing plate 513, and is threaded with the resilient rubbber cushion 512 and second pressing plate 513.

In addition; The insulator 500 of the 5th embodiment shown in Figure 5 is identical basically with the insulator 100 of first embodiment shown in Figure 1; And same or analogous parts adopt same or analogous Reference numeral to represent, for the sake of brevity, repeat no more here.

In the insulator 500 of the 5th embodiment shown in Figure 5, through the resilient rubbber cushion of setting up in addition 512, can further improve insulator 500 axial elasticities, thereby realize insulator 500 axial big flexible requirements.

[the 6th embodiment]

Fig. 6 shows the cutaway view according to the insulator 600 of the 6th embodiment of the utility model.

As shown in Figure 6, insulator 600 mainly comprises silicon rubber cluster parachute 609, gold utensil 607, epoxy fibreglass rod 610, spring 606, rigidity briquetting 605, first pressing plate 604 and screw rod 601.

In the embodiment shown in fig. 6, silicon rubber cluster parachute 609 has cylindrical body, is formed with the inner chamber that extends along its axial (axis) X in this cylindrical body.

Please continue referring to Fig. 6, gold utensil 607 is arranged in the inner chamber of silicon rubber cluster parachute 609, and is positioned at the roughly first half of inner chamber.The roughly first half of silicon rubber cluster parachute 609 is embossed on the gold utensil 607.The upper surface of gold utensil 607 is roughly concordant with the upper opening end face of the inner chamber of silicon rubber cluster parachute 609.

As shown in Figure 6, epoxy fibreglass rod 610 is installed in the inner chamber of silicon rubber cluster parachute 609, and is positioned at the roughly Lower Half of inner chamber.The upper surface of epoxy fibreglass rod 610 is concordant with the lower surface of gold utensil 607 and be in contact with one another, and the lower surface of epoxy fibreglass rod 610 is roughly concordant with the lower openings end face of the inner chamber of silicon rubber cluster parachute 609 or protrude a little.The outer peripheral face of epoxy fibreglass rod 610 closely contacts with the side face of the inner chamber of silicon rubber cluster parachute 609.

In the embodiment shown in fig. 6; Insulator 600 also comprises the flange 611 that is positioned at its lower end; This flange 611 is threaded with the lower end of epoxy fibreglass rod 610; The lower mould of silicon rubber cluster parachute 609 is pressed on the flange 611, and the lower surface of epoxy fibreglass rod 610 is resisted against on the end face of flange 611, thereby epoxy fibreglass rod 610 is fixed in the inner chamber of cylindrical body of silicon rubber cluster parachute 609.

Although not shown, flange 611 is used for fixing and keeps transmission line, thereby transmission line is supported on the insulator 600 hangingly.

Please continue referring to Fig. 6, on gold utensil 607, be formed with central cylindrical first accepting hole 608 that extends along aforementioned axial X.Preferably, as shown in Figure 6, the bottom of central cylindrical first accepting hole 608 has the part diapire.

As shown in Figure 6, helical spring 606 is heavy to be located in central cylindrical first accepting hole 608 of gold utensil 607, the lower end abutment of helical spring 606 on the diapire of central cylindrical first accepting hole 608, the upper end of first pressing plate, 604 direct extrusion spiral springs 606.

In the embodiment shown in fig. 6, on gold utensil 607, also be formed with an annular second accepting hole 613, this annular second accepting hole 613 is kept apart with central cylindrical first accepting hole 608.Annular rigidity briquetting 605 and annular second accepting hole, 613 couplings, and be assemblied in annular second accepting hole 613 of gold utensil 607.In the utility model; The rigidity briquetting 605 and first pressing plate 604 are rigidly connected and the guiding through annular second accepting hole 613; Not only can play the effect of location first pressing plate 604 and helical spring 606, but also can improve the radial rigidity of silicon rubber cluster parachute 609.

Insulator 600 can be fixed on the fixed head 603 of a supporter (not shown, for example high-tension bus-bar bar or subway tunnel wall), thereby can be suspended on this supporter, and in the embodiment shown in fig. 6, fixed head 603 is pressed against on first pressing plate 604.

As shown in Figure 6, also be formed with X threaded mounting hole (not shown, as to see also Fig. 2) that extend and that be communicated with first accepting hole 608 vertically on the gold utensil 607.The threaded mounting hole that is formed with X extension vertically on the epoxy fibreglass rod 610 is (not shown; See also Fig. 2), the threaded mounting hole on the epoxy fibreglass rod 610 and the threaded mounting hole on the gold utensil 607 complete threaded mounting hole of formation during relatively and in installment state on axial X.

As shown in Figure 6; Screw rod 601 extends along aforementioned axial X; One end of screw rod 601 passes gold utensil 607 via the threaded mounting hole on the gold utensil 607 and is threaded with threaded mounting hole on the epoxy fibreglass rod 210, and the other end passes first pressing plate 604 and is threaded with fixed head 603 and with at least two adjusting nuts 602.In illustrated embodiment, can come the decrement of adjustable screw spring 606 through rotation adjusting nut 602, thereby the elasticity of adjustable screw spring 606 so that can be according to practical situations, be adjusted to only degree with the axial elasticity of insulator 600.

In the embodiment shown in fig. 6, screw rod 601 passes central cylindrical first accepting hole 608 of gold utensil 607, and is slidingly matched with helical spring 606 with the rigidity briquetting 605 that is contained in central cylindrical first accepting hole 608.In illustrated embodiment, screw rod 601 also is threaded with first pressing plate 604 and fixed head 603.

In the embodiment shown in fig. 6; But realize the axially big elasticity requirement of insulator 600 through the helical spring 606 of axial compression; Simultaneously; In the inner chamber of the cylindrical body through gold utensil 607, epoxy fibreglass rod 610 and gold utensil 607 being inlaid in silicon rubber cluster parachute 609, thereby can improve the main body rigidity of silicon rubber cluster parachute 609, thereby realize the requirement of the radially big rigidity of insulator 600.

[the 7th embodiment]

Fig. 7 shows the cutaway view according to the insulator 700 of the 7th embodiment of the utility model.

The insulator 700 of the 7th embodiment shown in Figure 7 only is with the difference of the insulator 100 of first embodiment shown in Figure 1: the insulator 700 of the 7th embodiment shown in Figure 7 has been removed the rigidity briquetting 105 in the insulator 100 of first embodiment shown in Figure 1.

In the 7th embodiment shown in Figure 7, first pressing plate 704 directly is squeezed on the spring 706.

Compare with first embodiment shown in Figure 1, the advantage of the insulator 700 of the 7th embodiment shown in Figure 7 is to simplify the structure.But, unaffected for the radial rigidity that guarantees insulator 700 in the 7th embodiment shown in Figure 7, can suitably improve the rigidity of screw rod 701, for example, screw rod 701 can adopt the bigger material of rigidity to process, and perhaps increases the diameter of screw rod 701 etc.

In addition, the insulator of the 7th embodiment shown in Figure 7 700 is basic identical with the insulator 100 of first embodiment shown in Figure 1, and same or analogous parts adopt same or analogous Reference numeral to represent, for the sake of brevity, repeats no more here.

[the 8th embodiment]

Fig. 8 shows the cutaway view according to the insulator 800 of the 8th embodiment of the utility model.

In a preferred embodiment of the utility model, insulator 800 is the insulator of the transmission line that is used for supporting hangingly subway or high ferro.In this applicable cases, transmission line is electrically connected with the pantograph of subway or high ferro locomotive slidably.As in background technology, saying, the insulator that this subway or high ferro are used must have enough axial elasticities, must have enough radial rigidities again simultaneously.But, note that the insulator of the utility model is not limited to this, it can be the insulator of any transmission line.

As shown in Figure 8, insulator 800 mainly comprises silicon rubber cluster parachute 809, gold utensil 807, epoxy fibreglass rod 810, spring 806, the first rigidity briquetting 805, first pressing plate 804 and the second rigidity briquetting 813.

In the embodiment shown in fig. 8, silicon rubber cluster parachute 809 has cylindrical body, is formed with the inner chamber that extends along its axial (axis) X in this cylindrical body.

Please continue referring to Fig. 8, epoxy fibreglass rod 810 is arranged in the inner chamber of silicon rubber cluster parachute 809, and roughly is full of whole inner chamber.The upper end of epoxy fibreglass rod 810 is formed with the assembling recess 817 that cooperates with gold utensil 807, and gold utensil 807 is inlaid in the assembling recess 817 of epoxy fibreglass rod 810.The outer peripheral face of epoxy fibreglass rod 810 closely contacts with the side face of the inner chamber of silicon rubber cluster parachute 809.In an embodiment of the utility model, silicon rubber cluster parachute 809 can be embossed on the epoxy fibreglass rod 810.The upper surface of gold utensil 807 is roughly concordant with the upper opening end face of the inner chamber of silicon rubber cluster parachute 809.

In the embodiment shown in fig. 8; Insulator 800 also comprises the flange 811 that is positioned at its lower end; This flange 811 is threaded with the lower end of epoxy fibreglass rod 810; The lower mould of silicon rubber cluster parachute 809 is pressed on the flange 811, and the lower surface of epoxy fibreglass rod 810 is resisted against on the end face of flange 811, thereby epoxy fibreglass rod 810 is fixed in the inner chamber of cylindrical body of silicon rubber cluster parachute 809.

Although not shown, flange 811 is used for fixing and keeps transmission line, thereby transmission line is supported on the insulator 800 hangingly.

Please continue referring to Fig. 8, on gold utensil 807, be formed with first accepting hole 808 that extends along aforementioned axial X.

As shown in Figure 8; The first rigidity briquetting 805 is assemblied in first accepting hole 808 of gold utensil 807; Be formed with the axial hole (not indicating) that cooperates with the second rigidity briquetting 813 in the first rigidity briquetting 805, the second rigidity briquetting 813 is slidingly received in the axial hole of the first rigidity briquetting 805.

As shown in Figure 8, spring 806 is set up and is squeezed in the first and second rigidity briquettings 805, between 813.

In the utility model, the first and second rigidity briquettings 805,813 not only can play the effect of location and extrusion spring 806, but also can improve the radial rigidity of silicon rubber cluster parachute 809.

As shown in Figure 8, first pressing plate 804 is squeezed on the first rigidity briquetting 805, is used for the location and maintains the first rigidity briquetting 805.

Insulator 800 can be fixed on the fixed head 803 of a supporter (not shown, high-tension bus-bar bar for example, subway tunnel wall), thereby is suspended on this supporter, and in the embodiment shown in fig. 8, fixed head 803 is pressed against on first pressing plate 804.

As shown in Figure 8, also be formed with X installing hole 812a that extend and that be communicated with first accepting hole 808 vertically on the gold utensil 807.Be formed with the installing hole 812b that X vertically extends on the epoxy fibreglass rod 810, the complete installing hole 812 of formation during relatively and in installment state on axial X of the installing hole 812a on this installing hole 812b and the gold utensil 807.

As shown in Figure 8; Formed first screw rod 814 in the bottom of the second rigidity briquetting 813; First screw rod 814 passes gold utensil 807 and is threaded with the installing hole 812 of epoxy fibreglass rod 810 and with them, thereby second briquetting 813, gold utensil 807 and epoxy fibreglass rod 810 are fitted together.

As shown in Figure 8, insulator 800 comprises that also at least two are radially pinned 815, and this radially pins 815 along the radially extension of silicon rubber cluster parachute 809 and be fixed on gold utensil 807 and the epoxy fibreglass rod 810.Owing on insulator 800, insert and radially pin 815, therefore, can further improve the radial rigidity of insulator 800.

As shown in Figure 8; Be formed with radial hole 816 in the first rigidity briquetting 805; Radially pin the inner of 815 extends in the radial hole 816 of the first rigidity briquetting 805; And the diameter of the radial hole 816 of the first rigidity briquetting 805 win greater than radially pinning 815, making rigidity briquetting 805 can with respect to radially pin 815 vertically X in preset distance, move, thereby the decrement of spring 806 is limited in the preset distance.

As shown in Figure 8, second screw rod, 801, the first rigidity briquettings 805 that the upper end of the first rigidity briquetting 805 is formed with X extension vertically are threaded with first pressing plate 804 through second screw rod 801.

As shown in Figure 8, during installation, insulator 800 is fixed on the fixed head 803 on the mounting bracket hangingly, and fixed head 803 is pressed against on first pressing plate 804, and the passing fixed head 803 and be threaded with at least two adjusting nuts 802 of second screw rod 801.In illustrated embodiment, can come the decrement of adjustable screw spring 806 through rotation adjusting nut 802, thereby the elasticity of adjustable screw spring 806 so that can be according to practical situations, be adjusted to only degree with the axial elasticity of insulator 800.

Although not shown, insulator 800 can also comprise: be pressed against the resilient rubbber cushion on the fixed head 803 and be pressed against second pressing plate on the resilient rubbber cushion.Second screw rod 801 can pass resilient rubbber cushion and second pressing plate and be threaded with aforesaid adjusting nut 802.

In the embodiment shown in fig. 8, spring 806 can be helical spring or butterfly spring.

[the 9th embodiment]

Fig. 9 shows the cutaway view according to the insulator 900 of the 9th embodiment of the utility model.

The insulator 900 of the 9th embodiment shown in Figure 9 mainly is with the difference of the insulator 800 of the 8th embodiment shown in Figure 8: as shown in Figure 9; The upper end of epoxy fibreglass rod 910 is end faces of general planar; And the lower end of gold utensil 907 also is the end face of general planar; Therefore, in the 9th embodiment shown in Figure 9, the upper end of epoxy fibreglass rod 910 roughly evenly cooperates with the lower end of gold utensil 907.

As shown in Figure 9, insert and be fixed on the gold utensil 907 along the radially pin that radially extends 914 of silicon rubber cluster parachute 909.

As shown in Figure 9, gold utensil 907 is installed in the inner chamber of silicon rubber cluster parachute 909, and is positioned at the roughly first half of inner chamber.The roughly first half of silicon rubber cluster parachute 909 is embossed on the gold utensil 907.The upper surface of gold utensil 907 is roughly concordant with the upper opening end face of the inner chamber of silicon rubber cluster parachute 909.

As shown in Figure 9, epoxy fibreglass rod 910 is arranged in the inner chamber of silicon rubber cluster parachute 909, and is positioned at the roughly Lower Half of inner chamber.The upper surface of epoxy fibreglass rod 910 is concordant with the lower surface of gold utensil 907 and be in contact with one another, and the lower surface of epoxy fibreglass rod 910 is roughly concordant with the lower openings end face of the inner chamber of silicon rubber cluster parachute 909 or protrude a little.The outer peripheral face of epoxy fibreglass rod 910 closely contacts with the side face of the inner chamber of silicon rubber cluster parachute 909.In an embodiment of the utility model, silicon rubber cluster parachute 909 can be embossed on the epoxy fibreglass rod 910.

In addition, the insulator of the 9th embodiment shown in Figure 9 900 is basic identical with the insulator 800 of the 8th embodiment shown in Figure 8, and same or analogous parts adopt same or analogous Reference numeral to represent, for the sake of brevity, repeats no more here.

Although illustrated and described the embodiment of the utility model, for those of ordinary skill in the art, be appreciated that under the situation of principle that does not break away from the utility model and spirit and can change these embodiment.The scope of application of the utility model is limited accompanying claims and equivalent thereof.

Claims

1. an insulator is characterized in that, said insulator comprises:

The silicon rubber cluster parachute, said silicon rubber cluster parachute has cylindrical body, is formed with in the said cylindrical body along its axially extended inner chamber;

Be arranged in the gold utensil and the epoxy fibreglass rod of the inner chamber of said silicon rubber cluster parachute, said gold utensil and epoxy fibreglass rod fit together each other, and are formed with in the said gold utensil along said axially extended first accepting hole;

Be contained in the spring in first accepting hole of said gold utensil; With

Compression set along the said spring of said axial compression.

2. insulator according to claim 1 is characterized in that,

Be formed with on the said gold utensil along said axially extended first threaded mounting hole; And on said epoxy fibreglass rod, be formed with along said axially extended second threaded mounting hole, said first threaded mounting hole on this second threaded mounting hole and the said gold utensil said axially on complete threaded mounting hole of formation during relatively and in installment state;

Said gold utensil and said epoxy fibreglass rod fit together through the screw rod that is screwed into said threaded mounting hole each other.

3. insulator according to claim 2 is characterized in that,

Said screw rod is along said extending axially; One end of said screw rod passes said gold utensil via said first threaded mounting hole and is threaded with second threaded mounting hole of said epoxy fibreglass rod, and the other end passes said compression set and is threaded with at least two adjusting nuts.

4. insulator according to claim 3 is characterized in that, said compression set comprises first pressing plate that directly is pressed against on the said spring.

5. insulator according to claim 3 is characterized in that,

Said compression set, comprise first pressing plate and with the rigidly connected rigidity briquetting of said first pressing plate, said rigidity briquetting is assemblied in first accepting hole of said gold utensil and is pressed against on the said spring.

6. insulator according to claim 3 is characterized in that,

Also be formed with on the said gold utensil along said axially extended, with separated second accepting hole of said first accepting hole;

Said insulator comprises also and the rigidly connected rigidity briquetting of said first pressing plate that said rigidity briquetting is assemblied in second accepting hole of said gold utensil; And

Said first pressing plate directly is pressed against on the said spring.

7. according to each described insulator among the claim 2-6; It is characterized in that during installation, said insulator is fixed on the fixed head on the mounting bracket hangingly; Said fixed head is pressed against on said first pressing plate, and the other end of said screw rod passes said fixed head.

8. insulator according to claim 7 is characterized in that, said insulator also comprises:

Resilient rubbber cushion, said resilient rubbber cushion are pressed against on the said fixed head; With

Second pressing plate, said second pressing plate is pressed against on the said resilient rubbber cushion,

The other end of said screw rod passes said resilient rubbber cushion and said second pressing plate.

9. insulator according to claim 7 is characterized in that, said first accepting hole in the said gold utensil is the looping pit of opening outwardly.

10. insulator according to claim 9 is characterized in that, said threaded mounting hole is the screwed hole of centre of keeping apart with said first accepting hole.

11. insulator according to claim 9 is characterized in that, said first accepting hole in the said gold utensil is the central cylindrical hole of the opening outwardly that is communicated with said threaded mounting hole, and said threaded mounting hole is positioned at the center of said first accepting hole.

12. insulator according to claim 11 is characterized in that, said screw rod passes the threaded mounting hole at the first accepting hole center that is positioned at said gold utensil, and is slidingly matched with the rigidity briquetting and the spring that are contained in first accepting hole.

13. insulator according to claim 7 is characterized in that, said insulator also comprises:

Flange, said flange are connected bottom one end of the insulator relative with said insulator top first pressing plate of said silicon rubber cluster parachute, and said flange is suitable for use in the suspension transmission line.

14. insulator according to claim 13 is characterized in that, said transmission line is the transmission line of subway or high ferro, but forms being electrically connected of slide relative between the pantograph of said transmission line and subway or high ferro locomotive.

15. insulator according to claim 7 is characterized in that, said screw rod is threaded with said first pressing plate and fixed head.

16. insulator according to claim 8 is characterized in that, said screw rod is threaded with said first pressing plate, fixed head and second pressing plate.

17. insulator according to claim 1 is characterized in that, said spring is helical spring or butterfly spring.

18. insulator according to claim 6 is characterized in that, said second accepting hole is the looping pit of opening outwardly.

19. insulator according to claim 1 is characterized in that, said compression set, comprising:

First pressing plate;

The first rigidity briquetting that is connected with said first pressing plate, the said first rigidity briquetting is assemblied in first accepting hole of said gold utensil slidably; With

Be contained in said first accepting hole and the second rigidity briquetting relative with the said first rigidity briquetting, said spring is compressed between the said first and second rigidity briquettings.

20. insulator according to claim 19 is characterized in that,

Said gold utensil and said epoxy fibreglass rod fit together through first screw rod that is screwed into said threaded mounting hole each other.

21. insulator according to claim 20 is characterized in that,

Be formed with the axial hole that cooperates with the second rigidity briquetting in the said first rigidity briquetting, the said second rigidity briquetting is slidingly received in the axial hole of the said first rigidity briquetting.

22. insulator according to claim 21 is characterized in that, said first screw rod is formed on the bottom of the said second rigidity briquetting.

23. insulator according to claim 22 is characterized in that,

The upper end of said epoxy fibreglass rod is formed with the assembling recess that cooperates with said gold utensil, and said gold utensil is inlaid in the assembling recess of said epoxy fibreglass rod.

24. insulator according to claim 23 is characterized in that,

Said insulator also comprises at least two radially pins, said radially pin along the radially extension of said silicon rubber cluster parachute and be fixed on said gold utensil and said epoxy fibreglass rod on.

25. insulator according to claim 22 is characterized in that,

The upper end of said epoxy fibreglass rod roughly evenly cooperates with the lower end of said gold utensil, and the said first rigidity briquetting and the second rigidity briquetting are contained in first accepting hole on the said gold utensil.

26. insulator according to claim 25 is characterized in that,

Said insulator also comprises at least two radially pins, and the radially extension of the said silicon rubber cluster parachute in said radially pin edge also is fixed on the said gold utensil.

27. according to claim 24 or 26 described insulators, it is characterized in that,

Be formed with radial hole in the said first rigidity briquetting, said radially the inner of pin extends in the radial hole of the said first rigidity briquetting, and

The diameter of the radial hole of the said first rigidity briquetting is greater than the said radially diameter of pin; Make the said first rigidity briquetting axially in preset distance, to move along said, thereby the decrement of said spring is limited in the preset distance with respect to said radially pin.

28. insulator according to claim 27 is characterized in that,

The upper end of the said first rigidity briquetting is formed with second screw rod, and the said first rigidity briquetting is threaded with said first pressing plate through said second screw rod.

29. insulator according to claim 28; It is characterized in that; During installation; Said insulator is fixed on the fixed head on the mounting bracket hangingly, and said fixed head is pressed against on said first pressing plate, and the other end of said second screw rod passes said fixed head and is threaded with at least two adjusting nuts.

30. insulator according to claim 29 is characterized in that, said insulator also comprises:

Said second screw rod passes said resilient rubbber cushion and said second pressing plate.

31. insulator according to claim 29 is characterized in that, said insulator also comprises:

32. insulator according to claim 31 is characterized in that, said transmission line is the transmission line of subway or high ferro, but forms being electrically connected of slide relative between the pantograph of said transmission line and subway or high ferro locomotive.

33. insulator according to claim 19 is characterized in that, said spring is helical spring or butterfly spring.