CN101934747B - Third rail support assembly and insulating bracket thereof - Google Patents
Third rail support assembly and insulating bracket thereof Download PDFInfo
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- CN101934747B CN101934747B CN2010102956878A CN201010295687A CN101934747B CN 101934747 B CN101934747 B CN 101934747B CN 2010102956878 A CN2010102956878 A CN 2010102956878A CN 201010295687 A CN201010295687 A CN 201010295687A CN 101934747 B CN101934747 B CN 101934747B
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Abstract
The invention relates to an insulating bracket which belongs to a conducting or insulating device configured along a travelling rail contact body or a joint position thereof in a subway, in particular to an insulating bracket for installing a third rail of the subway. The insulating bracket comprises a third rail support assembly and a bracket body, wherein the bracket body comprises a bracket upper body and a bracket lower body and forms a height adjusting structure; and the bracket upper body is provided with an assembly base and used for installing an umbrella skirt and the third rail support assembly. The third rail support assembly of the scheme can reduce clamping failure and part loosening phenomenon, is provided with lightweight parts and has reasonable stress. The bracket body of the scheme has a split structure and is not only more convenient to adjust height but also more convenient to assemble, disassemble and replace the parts.
Description
Technical field
The invention belongs to and follow the Car Track contact in the subway or, particularly be used to install the insulating support of subway the 3rd rail (conductor rail) at its joint configuration conduction or non-conductive device.
Background technology
Described insulating support is meant at subway the 3rd rail (conductor rail) goes up the insulating support of installing that is used to support the 3rd rail along the line, and conductor rail needs several supports to provide support along the line.
Known technology, as one Chinese patent application disclose " 200920107192.0 compound type contact rail supports, comprise the support bottom, with the upper end bonded assembly mid-stent of support bottom, with the bonded assembly support top, top of mid-stent; the support bottom is a steel pipe, and its cross-sectional plane be " returning " shape, and the bottom surface of support bottom is connected with the upper surface of a supporting plate one end; mid-stent and support top are that non-metallic material is processed; itself and support bottom connect as one through fastener, die cavity that matches with the contact rail tread of formation between mid-stent and the support top, the inwall on support top be provided with stepped in breach; the mid-stent outer wall be provided with interior breach corresponding outside breach; interior breach and outer breach are embedded with the slide rail that is complementary with it respectively, slide rail and contact rail direct contact, and mating surfaces is circular-arc.
And for example Chinese patent disclose " 200920107191.6 1 kinds of contact rail glass fibre reinforced plastic integral insulating supports that contain sliding rail; it comprise the support bottom, with the upper end bonded assembly mid-stent of support bottom, with the bonded assembly support top, top of mid-stent; the support bottom is L-shaped, forms the die cavity that matches with the contact rail tread between mid-stent and support top, on the left end inwall of support top, establish stepped in breach; on mid-stent left end outer wall, establish with interior breach corresponding outside breach; interior breach and outer breach are embedded with the slide rail that is complementary with it respectively, slide rail and contact rail direct contact, and mating surfaces is circular-arc.
For another example Chinese patent disclose " 200320101485.0 1 kinds of conductor rail supports, it comprises support component, the elbow shaped rod that support component has only an insulating material to process, its lower end is a linkage section, this linkage section is provided with draw bail; The upper end of elbow shaped rod is provided with a horizontal support section, on this horizontal support section, is provided with a horizontal support face, sets firmly shield components above that; What connect said linkage section and horizontal support section is an extension rod section, and when the horizontal support face of said elbow shaped rod was horizontal positioned, the axis of the length direction of extension rod section was a parallax; At least the cross-sectional plane vertical of extension rod section with this length direction be shaped as machicolated form, promptly the extension rod section has convex ridge and depression ditch along its length direction, and the diff-H of convex ridge or depression ditch reduces gradually from top to bottom.The cover that blocks on the protective cover that also comprises is provided with the osed top engraved structure.
The support of a kind of more new construction of industry expectation comes out, and satisfies the demand of market diversification.
Summary of the invention
This case problem to be solved is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of the 3rd rail supporting component of insulating support is provided, and is made up of sub-fastener and mother buckle and track contact; Sub-fastener is packed on the mother buckle; Wherein, said sub-fastener is made up of lateral piece, the upright shoulder of sub-fastener, the horizontal shoulder of sub-fastener, and said lateral piece is the straight horizontal plate; The both sides of sub-fastener have convex ridge, and this convex ridge plays the convex edge that forms edge sealing from the lateral piece port through the upright shoulder of sub-fastener until the horizontal shoulder of sub-fastener; Said mother buckle is made up of vertical plate part and the horizontal portion of holding; The said horizontal portion of holding has the horizontal shoulder of mother buckle; Said vertical plate part is vertical each other with the horizontal portion of holding, and the said horizontal portion of holding has horizontal top, forms the upright shoulder of mother buckle between the horizontal shoulder of this horizontal top and mother buckle; Be extended down to vertical plate part by the horizontal shoulder of mother buckle and form horizonal base plate; Form the fastener container cavity between horizonal base plate and the horizontal top, said horizontal top both sides have the top board convex ridge and form the mother buckle fitting recess, and this mother buckle fitting recess becomes to be slidingly installed with the lateral piece end.
The 3rd rail support component not only can effectively reduce the chance of occurrence of jam fault thus, also can effectively reduce vibrations and bring the superstructure loosening phenomenon.This setting not only can effectively improve the thermal diffusivity at stressed stress position, also can make the parts lightweight, and the locknut of fastener also can take this to hide oneself; The bulk strength of each parts can be further effectively strengthened in the careful setting of each component detail of this case.
This case technical solution problem can also take following technical scheme further to realize.
The 3rd rail supporting component of aforementioned dielectric support, wherein, the lateral piece end has and is used for and the sub-fastener assembly opening of mother buckle stack-mounted; Mother buckle is packed on the mounted base of support upper body by this vertical plate part.
The 3rd rail supporting component of aforementioned dielectric support wherein, has the mother buckle assembly opening that combines with sub-fastener assembly opening coupling on the horizontal top, sub-fastener and mother buckle install with binding bolt and locknut mode.
The 3rd rail supporting component of aforementioned dielectric support, wherein, the upright shoulder of said mother buckle is suitable with the upright shoulder height degree of sub-fastener, and the geometrical extension of horizontal shoulder of mother buckle and the horizontal shoulder of sub-fastener is suitable.
The 3rd rail supporting component of aforementioned dielectric support, wherein, mother buckle and sub-fastener fasten to form and hold the track chamber that the 3rd rail passes through; Form the track jaw between horizontal shoulder of sub-fastener and the horizontal shoulder of mother buckle.
The 3rd rail supporting component of aforementioned dielectric support, wherein, said sub-fastener width is set to 1/3 or 4/9 or 5/9 or 2/3 of track chamber width.
The 3rd rail supporting component of aforementioned dielectric support; Wherein, Said track contact is made up of cap body and assembling bolt, and said cap body constitutes the semi-cylindrical structure by cap body bottom surface and cap body periphery, and cap body bottom surface length is 1 times of cap body bottom width or 1.5 times or 2 times or 2.5 times.
The 3rd rail supporting component of aforementioned dielectric support, wherein, said cap body bottom width is 1/3 of the horizontal shoulder elongation of sub-fastener or mother buckle.
The 3rd rail supporting component of aforementioned dielectric support, wherein, said assembling bolt diameter is 1/2 of a cap body bottom width.
The 3rd rail supporting component of aforementioned dielectric support, wherein, said cap body bottom width less than the upright shoulder of mother buckle (or the upright shoulder of sub-fastener) highly.
The 3rd rail supporting component of aforementioned dielectric support, wherein, assembling bolt middle position is in this cap body bottom surface.
The 3rd rail supporting component of aforementioned dielectric support, wherein, said track contact is configured in respectively on upright shoulder of mother buckle and the upright shoulder of sub-fastener, and on horizontal shoulder of sub-fastener and the horizontal shoulder of mother buckle.
The 3rd rail supporting component of aforementioned dielectric support, wherein, said sub-fastener is or/and mother buckle is that steel casting is one-body molded.
The 3rd rail supporting component of aforementioned dielectric support, wherein, said track contact is that nylon material or PTFE anti-wear material are one-body molded.
The 3rd rail supporting component of aforementioned dielectric support, wherein, mother buckle slightly is wider than sub-fastener, with the sub-fastener of support.
This case problem to be solved is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of insulating support with aforementioned arbitrary the 3rd rail supporting component is provided, and comprises rack body, and wherein, said rack body is made up of body under support upper body, the support; Body has body containing cavity under the support under the said support, and said support upper body has gliding mass, this gliding mass be used for support under the body containing cavity form bearing fit; The fastening locations of configuration on the said containing cavity, this fastening locations should be able to combine with the positioning chute coupling on the support upper body; The positioning bolt is installed by support upper body positioning screw.
The insulating support that has aforementioned arbitrary the 3rd rail supporting component thus, wherein rack body is the branch body structure, and forms height adjustment structure.
This case technical solution problem can also take following technical scheme further to realize.
The aforementioned dielectric support; Wherein, Said support upper body also has integrally formed mounted base; Said mounted base is set to by support upper body backboard, protrudes out formation full skirt mandrel back to support upper body chamber, and said full skirt mandrel end face is the supporting component department of assembly, is used to install the 3rd rail supporting component; Said full skirt mandrel has preset length and forms the support forearm, and the periphery of full skirt mandrel is the full skirt department of assembly.
Aforesaid insulating support, wherein, full skirt is a disk-shaped glass steel insulator; This full skirt is have full skirt center assembly opening discoid, the full skirt department of assembly of said full skirt rack-mount body mounted base of assembly opening by the full skirt center.Thus, rack body can improve the antifouling ability to the 3rd rail by full skirt.
Aforesaid insulating support, wherein, the body containing cavity has first madial wall, second madial wall of symmetry each other under the said support, forms containing cavity bottom and containing cavity back between this first, second madial wall; This first, second madial wall is formed for holding the slideway of support upper body upper and lower displacement; The stop section of positioning bolt is formed on the containing cavity bottom; Fastening locations is configured in the containing cavity back; Said support upper body is made up of with support upper body backboard support upper body backboard and closed support upper body wall portion and is the end, is the box-like of wall with support upper body wall portion, and forms support upper body chamber; The containing cavity back of body containing cavity is corresponding under support upper body backboard and the support; On the said support upper body backboard positioning chute is set.
Aforesaid insulating support, wherein, the disk body center section outer rim of said full skirt is camber line.
Aforesaid insulating support, wherein, said support upper body wall portion is integrally formed by support upper body bottom, support upper body top and support upper body sidewall, thereby forms the wall portion of box-like support upper body chamber; Said support upper body bottom and support upper body sidewall form the wall portion of gliding mass, and the positioning screw is provided with by support upper body bottom is placed in the middle.
Aforesaid insulating support, wherein, the inwall of said full skirt disk body has the full skirt circular fin, and said full skirt mandrel has the mandrel chamber, and full skirt mandrel and support upper body are formed in one.
Aforesaid insulating support, wherein, said support upper body sidewall has support upper body assembling sidewall, and first, second madial wall of body containing cavity becomes bearing fit under this support upper body assembling sidewall and the support; The umbrella inclination angle of said full skirt is 20 °>α>15 °.
Aforesaid insulating support, wherein, said positioning chute is arranged on support upper body backboard line of centers bilateral symmetry position, and the positioning chute is located at the middle position of this line of centers side; Said full skirt surface is provided with the water repelling anti-fouling coating; Body is the compression moulding of glass-felt plastic one under the said support; Said adjustable bolt is the glass-felt plastic material; Said base and stand are integrally formed, and the installation bottom lengths of base is greater than the height of stand.
This case problem to be solved is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of rack body of insulating support is provided, and wherein, said rack body is made up of body under support upper body, the support; Body has body containing cavity under the support under the said support, and said support upper body has gliding mass, this gliding mass be used for support under the body containing cavity form bearing fit; The fastening locations of configuration on the said containing cavity, this fastening locations should be able to combine with the positioning chute coupling on the support upper body; The positioning bolt is installed by support upper body positioning screw.
Thus; The body containing cavity not only is used for body under the support and support upper body are fixed as one under this support; And body containing cavity and support upper body have formed chute and can hold the tectonic relationship that gliding mass slides under the support, and under the support body containing cavity and support upper body have also formed height adjustment structure; But actv. is avoided stressed focal point of stress, thereby effectively improves the tolerance performance of parts; Make things convenient for the parts change and repair.
This case technical solution problem can also take following technical scheme further to realize.
The rack body of aforesaid insulating support, wherein, the body containing cavity has first madial wall, second madial wall of symmetry each other under the said support, forms containing cavity bottom and containing cavity back between this first, second madial wall.
The rack body of aforesaid insulating support, wherein, this first, second madial wall is formed for holding the slideway of support upper body upper and lower displacement; The stop section of positioning bolt is formed on the containing cavity bottom, and fastening locations is configured in the containing cavity back.
The rack body of aforesaid insulating support, wherein, said support upper body is made up of with support upper body backboard support upper body backboard and closed support upper body wall portion and is the end, is the box-like of wall with support upper body wall portion, and forms support upper body chamber.
The rack body of aforesaid insulating support, wherein, the containing cavity back of body containing cavity is corresponding under support upper body backboard and the support.
The rack body of aforementioned dielectric support wherein, is provided with the positioning chute on the said support upper body backboard.
The rack body of aforementioned dielectric support, wherein, said support upper body wall portion is by the wall portion of support upper body bottom, support upper body top and integrally formed this box-like support upper body chamber of support upper body sidewall.
The rack body of aforementioned dielectric support, wherein, said support upper body bottom and support upper body sidewall form the wall portion of gliding mass.
The rack body of aforementioned dielectric support, wherein, said positioning screw is provided with by support upper body bottom is placed in the middle.
The rack body of aforementioned dielectric support, wherein, said support upper body sidewall has support upper body assembling sidewall, and first, second madial wall of body containing cavity becomes bearing fit under this support upper body assembling sidewall and the support.
The rack body of aforementioned dielectric support, wherein, said positioning chute is arranged on support upper body backboard centre line L bilateral symmetry position, and the positioning chute is located at the middle position of this line of centers side.
The rack body of aforementioned dielectric support, wherein, said base and stand are integrally formed, and the installation bottom lengths of base is greater than the height of stand.
The rack body of aforementioned dielectric support, wherein, body is the compression moulding of glass-felt plastic one under the said support; Said adjustable bolt is the glass-felt plastic material.
The rack body of aforementioned dielectric support, wherein, body is made up of base and stand under the said support, and body base one end forms body stand under the support straight up under the support.
The rack body of aforementioned dielectric support, wherein, the containing cavity bottom is to satisfying preset positioning height between the stand top.
The rack body of aforementioned dielectric support; Wherein, The said support upper body first half has integrally formed mounted base; Said mounted base is set to by support upper body backboard, protrudes out formation full skirt mandrel back to support upper body chamber, and said full skirt mandrel end face is the supporting component department of assembly, is used to install the 3rd rail supporting component; Said full skirt mandrel has preset length and forms the support forearm, and the periphery of full skirt mandrel is the full skirt department of assembly.
The rack body of aforementioned dielectric support, wherein, said full skirt mandrel has mandrel chamber 2102, problem of stress concentration when avoiding parts-moulding.
The rack body of aforementioned dielectric support, wherein, said full skirt mandrel has the preset diameters that combines with full skirt, so that support can bear from the 3rd rail and supporting component strength.
This case problem to be solved is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of full skirt that is used for insulating support is provided, and wherein, said full skirt is a disk-shaped glass steel insulator; This full skirt is have full skirt center assembly opening discoid, the full skirt department of assembly of said full skirt rack-mount body mounted base of assembly opening by the full skirt center.
The full skirt of aforesaid insulating support, wherein, the disk body center section outer rim of said full skirt is camber line.
The full skirt of aforesaid insulating support, wherein, the inwall of said full skirt disk body has the full skirt circular fin, and full skirt mandrel and support upper body are formed in one.
The full skirt of aforesaid insulating support, wherein, the umbrella inclination angle of said full skirt is 20 °>α>15 °.
The full skirt of aforesaid insulating support, wherein, said full skirt surface is provided with the water repelling anti-fouling coating.
The full skirt of aforesaid insulating support, wherein, said water repelling anti-fouling coating is the sulphurated siliastic coating.
This case compared with prior art has significant advantage and beneficial effect.
Can know that by above technical scheme this case has following advantage at least under the structure configuration of excellence.
The setting of this case the 3rd rail supporting component can reduce vibrations and bring the superstructure loosening phenomenon; Can effectively avoid causing the accident of " jam " because of parts expand with heat and contract with cold; This case the 3rd rail supporting component parts lightweight, load is reasonable, and the bulk strength performance of parts is better.
This case rack body is for dividing body structure, and body has formed height adjustment structure under the support upper body combination support; Avoid the tolerance performance that stressed focal point of stress effectively improves parts.This case support not only insulate, and is convenient to dismounting and changes part, and part standard can effectively reduce the industrialization manufacturing cost; Body, positioning bolt are the glass-felt plastic material under this case support upper body, the support, can guarantee that thus creep distance is a preset value; The mounted base setting of this case support upper body be the pedestal of the 3rd rail supporting component is installed, be the mandrel that full skirt is installed again, or the forearm of support.
The reasonable disposition of this case full skirt can further improve the resistant electric property of insulating support.
The reasonable disposition of this case track contact can further effectively solve the 3rd rail clip resistance phenomenon, and unit architecture is more solid durable, difficult drop-off, and this track contact is simple in structure, compatibility good, can become the industrialization gauge member.
The specific embodiment of this case is provided by following examples and accompanying drawing thereof in detail.
Below in conjunction with preferred embodiment, to the specific embodiment, characteristic and the effect thereof that provides according to this case, specify as after; For simple and purpose clearly, the omission that hereinafter is appropriate the description of known technology, in order to avoid those unnecessary details influences are to the description of present technique scheme.
Description of drawings
Fig. 1 is this case insulating support perspective view.
Fig. 1 a is this case insulating support side-looking structural representation.
Fig. 1 b is that the face structural representation is looked on the right side of 1a.
Fig. 1 c is that the A-A of Fig. 1 b is to the sectional plane structural representation.
Fig. 1 d is that this case insulating support decomposes the assembling structure scheme drawing.
Fig. 2 is a body configuration scheme drawing under this case medium-height trestle.
Fig. 2 a is this case medium-height trestle upper body structural representation.
Fig. 3 is the 3rd a rail supporting component organigram in this case.
Fig. 3 a is this case the 3rd rail supporting component neutron fastener organigram.
Fig. 3 b is a mother buckle organigram in this case the 3rd rail supporting component.
Fig. 3 c is this case the 3rd rail supporting component middle orbit contact organigram.
Fig. 4 is the perspective view of full skirt in this case.
Fig. 4 a is the center section structure scheme drawing of this case full skirt.
The specific embodiment
Below in conjunction with preferred embodiment, to the specific embodiment, characteristic and the effect thereof that provides according to this case, specify as after; For simple and purpose clearly, the omission that hereinafter is appropriate the description of known technology, in order to avoid those unnecessary details influences are to the description of present technique scheme.
Shown in Fig. 1-4; A kind of insulating support is made up of with rack body 2 the 3rd rail supporting component 1, and said the 3rd rail supporting component 1 is made up of sub-fastener 11 and mother buckle 12 and track contact 13; Sub-fastener is packed on the mother buckle through fastener 10; Be separately installed with the track contact on sub-fastener and the mother buckle, mother buckle 12 is packed on the rack body 2, wherein through fastener 14: said rack body 2 is made up of body 22 under support upper body 21, the support.
Body base one end forms body stand under the support straight up under the support.
Said support upper body 21 is made up of with support upper body backboard support upper body backboard 211 and closed support upper body wall portion 212 and is the end, is the box-like of wall with support upper body wall portion, and forms support upper body chamber 213; The containing cavity back 2220d of body containing cavity is corresponding under its medium-height trestle upper body backboard 211 and the support; The lower part of support upper body forms gliding mass 21a, this gliding mass be used for support under the body containing cavity form bearing fit.
Said support upper body wall portion 212 is integrally formed by support upper body bottom 2121, support upper body top 2123 and support upper body sidewall 2122,2122 ', thereby forms the wall portion of box-like support upper body chamber.
Said support upper body bottom 2121 and support upper body sidewall 2122,2122 ' form the wall portion of this gliding mass, and this support upper body bottom 2121 is provided with positioning screw 21210 between two parties, are used for cooperating with the positioning bolt, and adjustment support upper body up and down highly; Support upper body sidewall has support upper body assembling sidewall 21220,21220 ', and first, second madial wall 2220a, the 2220b of body containing cavity become bearing fit under this support upper body assembling sidewall and the support.
Said positioning chute is arranged on support upper body backboard centre line L bilateral symmetry position; The chute of particularly transposing is located at the middle position of this line of centers one side; Thus through the fastening locations of positioning chute 2111,2111 ' two 2221,2221 ' and positioning bolt 20 through positioning screw 21210; Support upper body below can be provided with clamp nut (not shown) and cooperate with positioning bolt 20; Further fastening location forms 3 fastening location of two dimension faces, can make support upper body 21 steadily fixing of body under support.The positioning chute 2111,2111 ' of support upper body combines the fastening locations of body under the support thus, and the positioning bolt combines the positioning screw of support upper body bottom to form height adjustment structure; Stressed focal point of stress that it is generally acknowledged the conductor rail support is the junction of the 3rd rail supporting component 1 and support upper body 21, but this case actv. is avoided stressed focal point of stress, thereby effectively improves the tolerance performance of parts.
The body containing cavity not only is used for body under the support and support upper body are fixed as one under this support thus, and body containing cavity and support upper body have formed chute and can hold the tectonic relationship that gliding mass slides under the support.
Said base 221 is integrally formed with stand 222, and the installation bottom lengths H of base is greater than the height h of stand, so that " seat " that support can be more stable on railway roadbed, body is the compression moulding of glass-felt plastic one under the support; Support not only insulate thus, and the configuration of the branch body structure of rack body, and it is more convenient to make accessory change, and helps part standard, thereby can effectively reduce production costs, and enhances productivity.
When needing the vertical dimension of adjustment the 3rd rail; Can the fastening locations on the containing cavity back 2221,2221 ' be unclamped; Turn positioning bolt, the support upper body is realized height adjustment in fastening locations guiding lower edge positioning chute 2111, displacement about in the of 2111 '; After adjusting to preset height, tighten each fastening locations.
The positioning bolt is the glass-felt plastic material, can guarantee that thus creep distance is a preset value.
Said support upper body first half 21b has integrally formed mounted base 210; Said mounted base is set to by support upper body backboard, protrudes out formation full skirt mandrel back to support upper body chamber; Said full skirt mandrel end face is supporting component department of assembly 2101, is used to install the 3rd rail supporting component 1; Said full skirt mandrel has integrally formed mandrel chamber 2102, problem of stress concentration when avoiding parts-moulding.Said full skirt mandrel has preset diameters, so that support can bear from the 3rd rail and supporting component strength; Said full skirt mandrel has preset length and forms the support forearm, so that support makes the length dimension of the 3rd rail supporting component as far as possible little, to make steel part few as far as possible with material satisfying when stretching to the predetermined distance of the 3rd rail; The periphery of full skirt mandrel is full skirt department of assembly 2103; See Fig. 1 d, Fig. 1 c, Fig. 2 a.
The mounted base of support upper body can " be taken upon oneself several posts " thus, it be the pedestal of the 3rd rail supporting component is installed, be the mandrel that full skirt is installed again, or the forearm of support.
Said full skirt 3 is a disk-shaped glass steel insulator, is used for further increasing the creep distance of insulating support, improves the resistant electric property of insulating support; This full skirt is have full skirt center assembly opening 30 discoid, the full skirt department of assembly of said full skirt rack-mount body mounted base of assembly opening by the full skirt center.
The disk body 31 center section outer rims of said full skirt are camber line 310, and the full skirt disk body becomes flat bowl shape thus, can effectively reduce floating dust, dirty attached to insulator surface; The inwall of full skirt disk body has full skirt circular fin 311, and this full skirt circular fin is used for further increasing creep distance; Full skirt adopts existing bonding method to be packed on the full skirt mandrel, can effectively avoid stress to concentrate and cause parts rapid wear problem; Full skirt mandrel and support upper body are formed in one, and can effectively increase the intensity at full skirt position.
The umbrella inclination angle of said full skirt is 20 °>α>15 °, full skirt is in that to satisfy on the basis of antifouling requirement full skirt intensity better thus.
Said full skirt surface is provided with the water repelling anti-fouling coating, such as commercially available single component long-acting water repelling anti-fouling flash color paint, includes but not limited to sulphurated siliastic (RTV) coating.
Creep distance refers between two conductive components, or a conductive component and an equipment and be prone between the mating surfaces the shortest space length along the insulating material surface measurement. the distance along the insulating surface discharge is that leakage distance is also claimed creep distance, is called for short creep distance.
Said the 3rd rail supporting component 1 is made up of with mother buckle 12 sub-fastener 11, is used to the 3rd rail and provides support.
Said sub-fastener 11 is that steel casting is one-body molded, and this sub-fastener is formed " L " shape by the upright shoulder of lateral piece 111, sub-fastener 112, the horizontal shoulder 113 of sub-fastener and constructed, and said lateral piece end has and is used for and the sub-fastener assembly opening 1110 of mother buckle stack-mounted; Said lateral piece is the straight horizontal plate; The both sides of sub-fastener have convex ridge; This convex ridge plays the convex edge that forms edge sealing from the lateral piece port through the upright shoulder of sub-fastener until the horizontal shoulder of sub-fastener; Not only the lateral piece end has formed the sliding part that combines with mother buckle fitting recess coupling thus, but also can effectively strengthen the bulk strength of these parts.
Said mother buckle 12 is that steel casting is one-body molded; This mother buckle is made up of with the horizontal portion 122 of holding vertical plate part 121; The said horizontal portion of holding has the horizontal shoulder 1223 of mother buckle, and said vertical plate part is vertical each other with the horizontal portion of holding, and mother buckle is packed on the mounted base 210 of support upper body by this vertical plate part; Be illustrated as three-point fix and install, referring to Fig. 3; The said horizontal portion of holding has horizontal top 1221; Form the upright shoulder 1222 of mother buckle between the horizontal shoulder 1223 of this horizontal top and mother buckle; Be extended down to vertical plate part by the horizontal shoulder of mother buckle and form horizonal base plate 1224, form fastener container cavity 1225 between horizonal base plate and the horizontal top, the vertical plate part of mother buckle is not provided with the positioning structure and only is responsible for fixing assembling thus; The horizontal fastener container cavity that holds portion of mother buckle forms the hollow out structure, can effectively avoid causing because of parts expand with heat and contract with cold the accident of " jam "; Moreover it also can make the parts lightweight, and the locknut of fastener also can take this to hide oneself, and horizonal base plate also forms further the horizontal shoulder of mother buckle and the upright shoulder of mother buckle and supports; Has the mother buckle assembly opening 1210 that combines with sub-fastener assembly opening coupling on the said horizontal top; These horizontal top both sides have top board convex ridge 12211,12211 ' and form mother buckle fitting recess 12210; This mother buckle fitting recess becomes to be slidingly installed with the lateral piece end; Sub-thus fastener installs through fastener 10 by the mother buckle fitting recess; This fastener includes but not limited to binding bolt as shown in the figure and locknut mode, but actv. solves sub-fastener and the loosening easily problem of mother buckle fastening position.
The upright shoulder of said mother buckle is suitable with the upright shoulder height degree b of sub-fastener, and the geometrical extension a of horizontal shoulder of mother buckle and the horizontal shoulder of sub-fastener is suitable; Mother buckle slightly is wider than sub-fastener, with the sub-fastener of support.
Mother buckle and sub-fastener fasten to have formed and hold the track chamber 16 that the 3rd rail passes through thus, form track jaw 160 between horizontal shoulder of sub-fastener and the horizontal shoulder of mother buckle; Sub-fastener width e is set to 4/9 or 5/9 or 1/3 or 2/3 of track chamber width; Contact surface with effective minimizing the 3rd rail and track chamber; Track chamber width is the upright distance of takeing between the upright shoulder of sub-fastener of mother buckle.
On upright shoulder of mother buckle and the upright shoulder of sub-fastener, and track contact assembly opening (not shown) is set respectively on horizontal shoulder of sub-fastener and the horizontal shoulder of mother buckle, with attachment rail contact 13; Said track contact 13 is made up of cap body 131 and assembling bolt 132; Said cap body constitutes the semi-cylindrical structure by cap body bottom surface 1310 and cap body periphery 1311; This assembling bolt middle position is in this cap body bottom surface 1310, and cap body bottom surface length is 1 times of cap body bottom width or 1.5 times or 2 times or 2.5 times; Cap body bottom width is 1/3 of the horizontal shoulder elongation of sub-fastener or mother buckle a; Assembling bolt diameter is 1/2 of a cap body bottom width; Cap body bottom width is less than the upright shoulder of mother buckle (or the upright shoulder of sub-fastener) height b, and the track contact of structure can guarantee that the contact surface of it and the 3rd rail is very little thus, and it is solid durable to guarantee that again the track contact is installed on son, the mother buckle; Difficult drop-off; Particularly the track contact of this structure is simple in structure, compatibility good, as " drawing pin ", can become the industrialization gauge member; Easy for installation; Arbitrarily " nail " lets the 3rd rail contact with not formation of track chamber face at the predeterminated position in track chamber, but linear contact; Thereby can effectively solve the such problem that exists in the prior art: the 3rd rail and track chamber contact surface are bigger, and causing expands with heat and contract with cold causes the 3rd rail clip resistance phenomenon.
The track contact is that commercially available nylon material or PTFE anti-wear material is one-body molded.
Claims (12)
1. the 3rd rail supporting component of an insulating support; By sub-fastener (11) and mother buckle (12) and track contact (13) formation, sub-fastener is packed on the mother buckle, it is characterized in that; Said sub-fastener (11) is made up of lateral piece (111), the upright shoulder of sub-fastener (112), the horizontal shoulder of sub-fastener (113); Said lateral piece is the straight horizontal plate, and the both sides of sub-fastener have convex ridge, and this convex ridge plays the convex edge that forms edge sealing from the lateral piece port through the upright shoulder of sub-fastener until the horizontal shoulder of sub-fastener; Said mother buckle (12) is made up of vertical plate part (121) and the horizontal portion (122) of holding; The said horizontal portion of holding has the horizontal shoulder of mother buckle (1223); Said vertical plate part is vertical each other with the horizontal portion of holding; The said horizontal portion of holding has horizontal top (1221); Form the upright shoulder of mother buckle (1222) between the horizontal shoulder of this horizontal top and mother buckle (1223), be extended down to vertical plate part by the horizontal shoulder of mother buckle and form horizonal base plate (1224), form fastener container cavity (1225) between horizonal base plate and the horizontal top; Said horizontal top both sides have top board convex ridge (12211,12211 ') and form mother buckle fitting recess (12210), and this mother buckle fitting recess becomes to be slidingly installed with the lateral piece end.
2. the 3rd rail supporting component of insulating support as claimed in claim 1 is characterized in that, the upright shoulder of said mother buckle is suitable with the upright shoulder height degree of sub-fastener, and the geometrical extension of horizontal shoulder of mother buckle and the horizontal shoulder of sub-fastener is suitable; Mother buckle and sub-fastener fasten to form and hold the track chamber (16) that the 3rd rail passes through, and form track jaw (160) between horizontal shoulder of sub-fastener and the horizontal shoulder of mother buckle; Sub-fastener width is set to 1/3 or 4/9 or 5/9 or 2/3 of track chamber width.
3. the 3rd rail supporting component of insulating support as claimed in claim 1; It is characterized in that; Said track contact (13) is made up of cap body (131) and assembling bolt (132); Said cap body constitutes the semi-cylindrical structure by cap body bottom surface (1310) and cap body periphery (1311), and cap body bottom surface length is 1 times of cap body bottom width or 1.5 times or 2 times or 2.5 times; Cap body bottom width is 1/3 of the horizontal shoulder elongation of sub-fastener or mother buckle; Assembling bolt diameter is 1/2 of a cap body bottom width; Cap body bottom width is less than the height of upright shoulder of mother buckle or the upright shoulder of sub-fastener.
4. the 3rd rail supporting component of insulating support as claimed in claim 2; It is characterized in that; Said track contact (13) is made up of cap body (131) and assembling bolt (132); Said cap body constitutes the semi-cylindrical structure by cap body bottom surface (1310) and cap body periphery (1311), and cap body bottom surface length is 1 times of cap body bottom width or 1.5 times or 2 times or 2.5 times; Cap body bottom width is 1/3 of the horizontal shoulder elongation of sub-fastener or mother buckle; Assembling bolt diameter is 1/2 of a cap body bottom width; Cap body bottom width is less than the height of upright shoulder of mother buckle or the upright shoulder of sub-fastener.
5. the 3rd rail supporting component of insulating support as claimed in claim 3 is characterized in that, said track contact is configured in respectively on upright shoulder of mother buckle and the upright shoulder of sub-fastener, and on horizontal shoulder of sub-fastener and the horizontal shoulder of mother buckle; Said sub-fastener (11) is or/and mother buckle (12) is that steel casting is one-body molded; Said track contact is that nylon material or PTFE anti-wear material are one-body molded.
6. the 3rd rail supporting component of insulating support as claimed in claim 4 is characterized in that, said track contact is configured in respectively on upright shoulder of mother buckle and the upright shoulder of sub-fastener, and on horizontal shoulder of sub-fastener and the horizontal shoulder of mother buckle; Said sub-fastener (11) is or/and mother buckle (12) is that steel casting is one-body molded; Said track contact is that nylon material or PTFE anti-wear material are one-body molded.
7. the insulating support with arbitrary the 3rd rail supporting component of aforementioned claim 1-6 comprises rack body, it is characterized in that, said rack body (2) is made up of body (22) under support upper body (21), the support; Body under the said support (22) has body containing cavity (2220) under the support, and said support upper body (21) has gliding mass (21a), this gliding mass be used for support under the body containing cavity form bearing fit; Configuration fastening locations (2221,2221 ') on the said containing cavity, this fastening locations should be able to combine with positioning chute (2111, the 2111 ') coupling on the support upper body; Positioning bolt (20) is installed by support upper body positioning screw (21210).
8. insulating support as claimed in claim 7; It is characterized in that; Said support upper body also has integrally formed mounted base (210); Said mounted base is set to by support upper body backboard, protrudes out formation full skirt mandrel back to support upper body chamber, and said full skirt mandrel end face is supporting component department of assembly (2101), is used to install the 3rd rail supporting component (1); Said full skirt mandrel has preset length and forms the support forearm, and the periphery of full skirt mandrel is full skirt department of assembly (2103); Full skirt (3) is a disk-shaped glass steel insulator; This full skirt is for having the discoid of full skirt center assembly opening (30), the full skirt department of assembly of said full skirt rack-mount body mounted base of assembly opening by the full skirt center.
9. insulating support as claimed in claim 8; It is characterized in that; The body containing cavity has first madial wall (2220a), second madial wall (2220b) of symmetry each other under the said support, forms containing cavity bottom (2220c) and containing cavity back (2220d) between this first, second madial wall; This first, second madial wall is formed for holding the slideway of support upper body upper and lower displacement; The stop section of positioning bolt (20) is formed on the containing cavity bottom; Fastening locations (2221,2221 ') is configured in the containing cavity back; Said support upper body is made up of with support upper body backboard support upper body backboard (211) and closed support upper body wall portion (212) and is the end, is the box-like of wall with support upper body wall portion, and forms support upper body chamber (213); The containing cavity back (2220d) of body containing cavity is corresponding under support upper body backboard (211) and the support; Positioning chute (2111,2111 ') is set on the said support upper body backboard (211); The disk body of said full skirt (31) center section outer rim is camber line (310).
10. insulating support as claimed in claim 9 is characterized in that, said support upper body wall portion (212) is integrally formed by support upper body bottom (2121), support upper body top (2123) and support upper body sidewall (2122,2122 '); Said support upper body bottom (2121) and support upper body sidewall (2122,2122 ') form the wall portion of gliding mass, and positioning screw (21210) is placed in the middle the setting by support upper body bottom (2121); The inwall of said full skirt disk body has full skirt circular fin (311), and said full skirt mandrel has mandrel chamber (2102), and full skirt mandrel and support upper body are formed in one.
11. insulating support as claimed in claim 10; It is characterized in that; Said support upper body sidewall has support upper body assembling sidewall (21220,21220 '), and first, second madial wall (2220a, 2220b) of body containing cavity becomes bearing fit under this support upper body assembling sidewall and the support; The umbrella inclination angle of said full skirt is 20 °>α>15 °.
12. insulating support as claimed in claim 11 is characterized in that, said positioning chute is arranged on support upper body backboard line of centers bilateral symmetry position, and the positioning chute is located at the middle position of this line of centers side; Said full skirt surface is provided with the water repelling anti-fouling coating; Body is the compression moulding of glass-felt plastic one under the said support; Said adjustable bolt is the glass-felt plastic material; Body is made up of base and stand under the said support, and body base one end forms the stand of body under the said support straight up under the support; Base (221) and stand (222) are integrally formed, and the installation bottom lengths of base is greater than the height of stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102956878A CN101934747B (en) | 2010-09-29 | 2010-09-29 | Third rail support assembly and insulating bracket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102956878A CN101934747B (en) | 2010-09-29 | 2010-09-29 | Third rail support assembly and insulating bracket thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101934747A CN101934747A (en) | 2011-01-05 |
| CN101934747B true CN101934747B (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102956878A Expired - Fee Related CN101934747B (en) | 2010-09-29 | 2010-09-29 | Third rail support assembly and insulating bracket thereof |
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| Country | Link |
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| CN (1) | CN101934747B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112357B (en) * | 2013-03-08 | 2015-03-04 | 湖南远纳高科技股份有限公司 | Third rail support frame for electrified rail traffic and application thereof |
| CN108263247A (en) * | 2018-03-19 | 2018-07-10 | 曾建 | A kind of conductor rail stent repairs pedestal |
| CN108909537B (en) * | 2018-06-22 | 2021-11-16 | 苏州大成电子科技有限公司 | Temporary contact rail support suitable for lower contact |
| CN109109911A (en) * | 2018-09-04 | 2019-01-01 | 天津益昌电气设备股份有限公司 | A kind of warning device for preventing conductor rail bracket from toppling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219108A (en) * | 1976-11-29 | 1980-08-26 | Siemens Aktiengesellschaft | Third rail system for track bound transport means |
| US4378909A (en) * | 1979-11-06 | 1983-04-05 | C. Delachaux | Fish-plates for electrically conducting railway rails |
| CN101837745A (en) * | 2010-05-31 | 2010-09-22 | 宁波华缘玻璃钢电器制造有限公司 | Third rail insulated support of subway |
| CN201808465U (en) * | 2010-09-29 | 2011-04-27 | 天津市金锚科技发展有限公司 | Third rail support assembly and insulation support thereof |
-
2010
- 2010-09-29 CN CN2010102956878A patent/CN101934747B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219108A (en) * | 1976-11-29 | 1980-08-26 | Siemens Aktiengesellschaft | Third rail system for track bound transport means |
| US4378909A (en) * | 1979-11-06 | 1983-04-05 | C. Delachaux | Fish-plates for electrically conducting railway rails |
| CN101837745A (en) * | 2010-05-31 | 2010-09-22 | 宁波华缘玻璃钢电器制造有限公司 | Third rail insulated support of subway |
| CN201808465U (en) * | 2010-09-29 | 2011-04-27 | 天津市金锚科技发展有限公司 | Third rail support assembly and insulation support thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101934747A (en) | 2011-01-05 |
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