CN111409511A - Positioning and mounting structure for existing railway line contact net - Google Patents
Positioning and mounting structure for existing railway line contact net Download PDFInfo
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- CN111409511A CN111409511A CN202010333488.5A CN202010333488A CN111409511A CN 111409511 A CN111409511 A CN 111409511A CN 202010333488 A CN202010333488 A CN 202010333488A CN 111409511 A CN111409511 A CN 111409511A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/13—Trolley wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/16—Suspension insulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/22—Separate lines from which power lines are suspended, e.g. catenary lines, supporting-lines under tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/225—Arrangements for fixing trolley wires to supporting-lines which are under tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/24—Clamps; Splicers; Anchor tips
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/11—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with non-parallel upper and lower edges, e.g. roof trusses
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention relates to a positioning and mounting structure of an existing railway catenary, belonging to the technical field of rail transit power supply and comprising two portal frames, wherein the two portal frames are fixedly arranged on a roadbed and are respectively positioned at two sides of a rail, planes on which the portal frames at two sides are positioned are arranged in parallel, each portal frame comprises two upright posts and a cross rod fixedly arranged between the end parts of the two upright posts, a cross beam crossing over the rail is arranged between the cross rods of the portal frames at two sides, the transverse beam is provided with a positioning device for positioning a carrier cable and a contact line of the contact net, the portal frame is arranged to span a culvert below a railway, therefore, the culvert is prevented from influencing the stability of the whole positioning device after installation, and constructors do not need to remove the existing culvert or other structures, so that the engineering quantity is reduced, and the cost and the engineering time are saved.
Description
Technical Field
The invention relates to the technical field of rail transit power supply, in particular to a positioning and mounting structure of a contact net of an existing railway line.
Background
With the acceleration of the railway electrification process in China, the business mileage of railways in China reaches 15 kilometers by the end of 2020, the electrification rate is over 70 percent, and the railway electrification process also gradually becomes an important component part of the railway electrification development. The overhead contact system is a high-voltage transmission line which is erected along a zigzag shape above a steel rail in an electrified railway and is used for a pantograph to draw current. The overhead contact system is a main framework of the railway electrification engineering and is a special power transmission line which is erected along a railway line and supplies power to an electric locomotive. The contact suspension comprises a contact line, a dropper, a carrier cable, a connecting part and an insulator. The contact suspension is mounted on a support column by means of a support device and serves to supply the electric locomotive with electric energy obtained from the traction substation.
Chinese patent with an authorization publication number of CN206703993U discloses an electrified railway contact net positioning device, which comprises a support column, a first suspension bracket and a right beam arm, and is characterized in that: the inside of support column is provided with the rectangular hole, and the top of support column is fixed with the back timber, the right side top of support column is fixed with first support, and support fixed orifices and back timber fixed connection are passed through to the top of first support, insulator and left crossbeam arm fixed connection are passed through to the right side of first support, and the middle part below of left crossbeam arm is provided with contact net mounting structure, the support column is provided with 2, and the axis symmetry about the back timber between the support column.
The above prior art solutions have the following drawbacks: according to the design specification of railway electric traction power supply, the adjustable range of the supporting column positioning at the ordinary speed along the line direction is only 4-7 m, when a culvert, a water channel or a structure exists in 4-7 m below the railway, in order to prevent the culvert or other structures from influencing the stability of the whole positioning device, the existing structures such as the culvert and the like need to be changed, so that the engineering quantity is increased, and the engineering cost and time are increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the existing railway line contact net positioning and mounting structure which does not need to change a culvert and can improve the stability.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an existing line contact net location mounting structure of railway, includes two door type framves, two the door type frame is all fixed to be set up on the road bed and is located the track both sides respectively, both sides the plane at door type frame place is mutual parallel arrangement, every the door type frame all includes two stands and the fixed horizontal pole that sets up between two stand tip, both sides be provided with the span beam that spanes in the track top between the horizontal pole of door type frame, be provided with the positioner that is used for advancing the line location of contact net's messenger wire and contact wire on the span beam.
Through adopting above-mentioned technical scheme, the culvert that adopts the setting of door type frame to stride across railway below to prevent that the culvert from causing the influence to the stability after whole positioner installs, constructor need not to change existing culvert or other structures and remove, thereby reduced the engineering volume, and practiced thrift cost and engineering time, reduced positioner's vibration range when the train passes through, improved the contact effect between train pantograph and the contact line of contact net, thereby improved the current collection quality of train pantograph.
The present invention in a preferred example may be further configured to: the crossing beam comprises a plurality of spliced beams which are spliced with each other, and fixing pieces used for fixing the adjacent spliced beams together are arranged on the adjacent spliced beams.
By adopting the technical scheme, the cross beam comprises the plurality of spliced beams, so that the spliced beams can be suitable for railways with different widths, and the applicability of the whole installation structure is improved; the fixing piece can fix the adjacent spliced beams together, so that the installation and fixation among the spliced beams are completed.
The present invention in a preferred example may be further configured to: every the concatenation roof beam all includes three concatenation poles that are parallel to each other, every all be provided with a plurality of rib boxes between the three concatenation pole of concatenation roof beam, adjacent be parallel to each other and the interval sets up between the plane at rib box place, every the rib box all is the triangle-shaped setting of falling the summit down, the length direction of concatenation pole sets up along the plane at perpendicular to rib box place, and is three the concatenation pole is located the position at the three summit place of triangle-shaped rib box respectively.
Through adopting above-mentioned technical scheme, will splice the roof beam and include a plurality of three concatenation poles to set up triangular reinforcement frame between three concatenation poles, improved the intensity and the bearing capacity of whole spandrel girder, make whole spandrel girder further bear the positioner of different weight.
The present invention in a preferred example may be further configured to: the end parts, close to each other, of the splicing rods of the adjacent splicing beams are provided with first connecting flanges, the splicing rods are perpendicular to the first connecting flanges, and the fixing piece comprises a plurality of first bolts and first nuts which are used for fixing the adjacent first connecting flanges together.
Through adopting above-mentioned technical scheme, adopt first bolt and first nut to fix adjacent concatenation roof beam, fixed mode is convenient simple to fastness after fixing is better.
The present invention in a preferred example may be further configured to: the cross rod comprises a first rod body and a second rod body which is located below the first rod body and is parallel to the first rod body, a plurality of reinforcing rods are evenly arranged between the first rod body and the second rod body along the length direction of the cross rod, each reinforcing rod is fixedly arranged on the first rod body and the second rod body at two ends respectively, two splicing rods on the upper portion in the three splicing rods are fixedly arranged on the first rod body, and one splicing rod on the lower portion is fixedly arranged on the second rod body.
Through adopting above-mentioned technical scheme, the setting up of stiffener has improved the intensity and the bearing capacity of horizontal pole to improved the load-bearing effect of door type frame to crossing the roof beam, indirectly improved crossing the roof beam to positioner's load-bearing effect.
The present invention in a preferred example may be further configured to: the second body of rod includes the head rod and is located the second connecting rod at connecting rod both ends, the length direction of first connecting rod sets up along the length direction of perpendicular to stand, contained angle between second connecting rod and the head rod is the obtuse angle setting, the tip that the head rod was kept away from to the second connecting rod is located the position setting that is less than the head rod.
Through adopting above-mentioned technical scheme, the setting of second connecting rod can play the effect of support to the head rod to further improve the intensity and the bearing capacity of the first body of rod and the second body of rod, improved the bearing effect of the first body of rod and the second body of rod to the cross beam, indirectly improved the bearing effect of crossing the roof beam to positioner.
The present invention in a preferred example may be further configured to: the stand just is located the position at the tip place of the first body of rod and second connecting rod and all is provided with second flange, the tip of the first body of rod and second connecting rod all is provided with third flange, it is fixed through a plurality of second bolts and a plurality of second nut between second flange and the third flange.
Through adopting above-mentioned technical scheme, adopt second bolt and second nut to second flange and third flange joint fixed, fixed mode is convenient simple to the fastness that first body of rod and the second body of rod are located the stand has been improved.
The present invention in a preferred example may be further configured to: the positioning device comprises a first insulator, one end of the first insulator is fixedly connected to the lowest splicing rod through a suspension base, the other end of the first insulator is provided with two first connecting ropes, the two first connecting ropes are arranged at the ends, far away from the first insulator, of the first connecting ropes, a first positioning ring wire clamp is arranged at each of the two ends, far away from the first insulating rod, of the first positioning ring wire clamp, a second positioning ring wire clamp is arranged at each of the two ends, far away from the second positioning ring wire clamp, of the second connecting ropes, two positioning wire clamps are arranged at the ends, far away from the second positioning ring wire clamp, of the second positioning ring wire clamp, and suspension pulleys are arranged on the first positioning ring wire clamp in a suspension mode, and the positioning wire clamps are used for enabling contact wires of contact nets to pass through and are used for bearing cables to pass through.
By adopting the technical scheme, the arrangement of the first insulator can prevent the current on the contact line from being conducted to the cross beam, so that the current is prevented from being conducted to the portal frame, and the portal frame is prevented from being damaged by electrification; the position of the positioning wire clamp can be adjusted by arranging the positioner, so that the positioner can drive the contact wires on the positioning wire clamp to be fixed to different heights so as to be in contact with the pantograph of the train; the contact wire of the contact net can be guided and fixed by adopting the arrangement of the positioning wire clamp, so that the pantograph of the train can be better contacted with the contact wire in the positioning wire clamp, and the stress quality of the train is improved; the suspension pulleys can be penetrated by the carrier cable of the contact net, so that the carrier cable is guided and fixed, and the carrier cable can better bear the contact line of the contact net.
The present invention in a preferred example may be further configured to: every all be provided with first dead lever and second dead lever between two stands of door type frame, first dead lever is located the second body of rod below, the second dead lever is located first dead lever below, first dead lever and second dead lever all are mutual parallel arrangement with the first body of rod, both sides all be provided with fixed line, both sides between the first dead lever of door type frame and the second dead lever fixed line between the first dead lever fixed line passes first holding ring fastener, both sides fixed line between the second dead lever passes second holding ring fastener, the both ends of fixed line are provided with the second insulator, the tip that the fixed line was kept away from to the second insulator passes through the staple bolt and fixes the setting on the first body of rod and the second body of rod.
By adopting the technical scheme, the fixing wire between the first fixing rods on the two sides can play a role in positioning and fixing the first positioning loop wire clamp, so that the first positioning loop wire clamp is prevented from being driven to move when a train pantograph is in contact with a contact wire, and the contact effect between the train pantograph and the contact wire is improved; the fixing wire between the second fixing rods on the two sides can position and fix the second positioning ring wire clamp, so that the second positioning ring wire clamp is prevented from being driven to move when the pantograph of the train is in contact with the contact wire, and the contact effect between the pantograph of the train and the contact wire is further improved; the second insulator can prevent the current on the contact line from being conducted to the upright post of the portal frame, and prevent the portal frame from being damaged by electrification; the convenient fixed dismantlement of fixed line that sets up that adopts the staple bolt to can be so that the fixed line after fixing has better fastness, indirectly improved the fixed effect to first holding ring fastener and second holding ring fastener.
The present invention in a preferred example may be further configured to: and a fourth connecting flange is arranged at the position of the end part of the first fixing rod and the end part of the second fixing rod on the stand column, fifth connecting flanges are arranged at the two ends of the first fixing rod and the second fixing rod, and the fourth connecting flange and the fifth connecting flange are fixed through a plurality of third bolts and a plurality of third nuts.
Through adopting above-mentioned technical scheme, adopt third bolt and third nut fixed first dead lever and second dead lever, its fixed mode is convenient simple to can be so that first dead lever and second dead lever are located the stand and have better fastness, indirectly improved the fixed effect to the fixed line.
In summary, the invention includes at least one of the following beneficial technical effects:
the arrangement of the portal frame can span the culvert below the railway, so that the culvert is prevented from influencing the stability of the whole positioning device after installation, and constructors do not need to change the existing culvert or other structures, thereby reducing the engineering quantity and saving the cost and the engineering time;
the fixed line between the first dead lever of both sides can be fixed to first holding ring fastener, the fixed line between the second dead lever of both sides can be fixed to second holding ring fastener, thereby it is fixed to the contact wire of contact net to make first holding ring line and second holding ring fastener drive the locating wire fastener on the locator, make the train pantograph prevent the contact wire to remove after with the contact wire contact, the vibration range of positioner has been reduced when the train passes through, the contact effect between train pantograph and the contact wire of contact net has been improved, thereby the current collection quality of train pantograph has been improved.
Drawings
FIG. 1 is a schematic overall structure;
FIG. 2 is a schematic structural view for showing a gate frame;
FIG. 3 is a schematic structural view for showing a cross member;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic structural diagram for showing the positioning device.
In the figure, 1, a portal frame; 11. a column; 111. a cross bar; 112. a cross beam; 113. splicing the beams; 114. splicing rods; 115. a reinforcing frame; 116. a first connecting flange; 117. a first bolt; 118. a first nut; 12. a first rod body; 121. a second rod body; 122. a reinforcing bar; 123. a first connecting rod; 124. a second connecting rod; 125. a second connecting flange; 126. a third connecting flange; 127. a second bolt; 128. a second nut; 13. a first insulator; 131. suspending a base; 132. a first connecting rope; 133. a first positioning ring clamp; 134. a second connecting rope; 135. a second retaining ring clamp; 136. a positioner; 137. positioning a wire clamp; 138. a suspension pulley; 14. a first fixing lever; 141. a second fixing bar; 142. fixing the wire; 143. a second insulator; 144. hooping; 145. a fourth connecting flange; 146. a fifth connecting flange; 147. a third bolt; 148. a third nut; 15. a contact line; 16. a catenary cable.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to fig. 1 and 2, the positioning and mounting structure for the existing railway catenary disclosed by the invention comprises two portal frames 1, wherein the two portal frames 1 are fixedly arranged on a roadbed and are respectively positioned at two sides of a track, the planes where the portal frames 1 at two sides are positioned are arranged in parallel, and each portal frame 1 comprises two upright columns 11 and a cross rod 111 fixedly arranged between the end parts of the two upright columns 11.
In the present embodiment, the end of the upright post 11 is poured into the roadbed, so that the upright post 11 is fixed into the roadbed, and in other embodiments, the upright post 11 can be fixed by using anchor screws.
With reference to fig. 1 and 3, a cross beam 112 crossing over the rail is arranged between the crossbars 111 of the two side door frames 1, and a positioning device for positioning the catenary 16 and the contact line 15 of the contact net is arranged on the cross beam 112.
The culvert arranged below the railway can be spanned by the portal frame 1, so that the culvert is prevented from influencing the stability of the whole positioning device after installation, constructors do not need to remove the existing culvert or other structures, the engineering quantity is reduced, and the cost and the engineering time are saved.
With reference to fig. 1 and 3, in order to adapt the cross member 112 to railways with different widths, thereby improving the applicability of the installation structure, the cross member 112 includes a plurality of spliced members 113 spliced to each other.
With reference to fig. 1 and 3, in order to improve the strength of each spliced beam 113 and the bearing effect on the positioning device, each spliced beam 113 includes three spliced rods 114 arranged in parallel with each other, a plurality of reinforcing frames 115 are arranged between the three spliced rods 114 of each spliced beam 113, the planes where the adjacent reinforcing frames 115 are located are arranged in parallel with each other and at intervals, each reinforcing frame 115 is arranged in an inverted triangle with the vertex facing downward, the length direction of the spliced rods 114 is arranged along the plane where the reinforcing frames 115 are located, and the three spliced rods 114 are respectively located at the positions where the three vertices of the triangular reinforcing frames 115 are located.
Referring to fig. 3 and 4, in order to fix the adjacent spliced beams 113 together, a fixing member for fixing the adjacent spliced beams 113 together is provided on the adjacent spliced beams 113.
Referring to fig. 3 and 4, the end portions, close to each other, of the splicing bars 114 of the adjacent splicing beams 113 are provided with first connecting flanges 116, the splicing bars 114 are arranged perpendicular to the first connecting flanges 116, and the fixing member includes a plurality of first bolts 117 and first nuts 118 for fixing the adjacent first connecting flanges 116 together.
In other embodiments, the adjacent spliced beams 113 can be fixed by welding.
With reference to fig. 1 and fig. 2, in order to improve the strength of the cross rod 111 and the bearing effect of the cross beam 112, the cross rod 111 includes a first rod 12 and a second rod 121 located below the first rod 12 and parallel to the first rod 12, a plurality of reinforcing rods 122 are uniformly arranged between the first rod 12 and the second rod 121 along the length direction of the cross rod 111, two ends of each reinforcing rod 122 are respectively and fixedly disposed on the first rod 12 and the second rod 121, two splicing rods 114 on the upper portion among the three splicing rods 114 are fixedly disposed on the first rod 12, and one splicing rod 114 on the lower portion is fixedly disposed on the second rod 121.
In this embodiment, two splicing bars 114 at the upper portion among the three splicing bars 114 are fixedly disposed on the first bar body 12 by welding, and one splicing bar 114 at the lower portion is also fixedly disposed on the second bar body 121 by welding.
With reference to fig. 1 and fig. 2, in order to further improve the bearing effect of the second rod 121 on the first rod 12, thereby indirectly improving the bearing effect on the whole cross beam 112, the second rod 121 includes a first connecting rod 123 and second connecting rods 124 located at two ends of the first connecting rod, the length direction of the first connecting rod 123 is set along the length direction perpendicular to the upright post 11, an included angle between the second connecting rod 124 and the first connecting rod 123 is set to be an obtuse angle, and the end of the second connecting rod 124 far away from the first connecting rod 123 is set to be lower than the position of the first connecting rod 123.
With reference to fig. 1 and 2, in order to detachably connect the first rod 12 and the second rod 121 to the two side columns 11, second connecting flanges 125 are respectively disposed on the columns 11 and at positions where the ends of the first rod 12 and the second connecting rod 124 are located, third connecting flanges 126 are respectively disposed at the ends of the first rod 12 and the second connecting rod 124, and the second connecting flanges 125 and the third connecting flanges 126 are fixed by a plurality of second bolts 127 and a plurality of second nuts 128.
In other embodiments, the ends of the first rod 12 and the second connecting rod 124 may be fixed to the two side columns 11 by welding.
Referring to fig. 1 and 5, in order to fix the contact wire 15 of the contact network, thereby preventing the pantograph of the train from moving along the contact wire 15 after contacting the contact wire 15, improving the contact effect between the pantograph of the train and the contact wire 15, and improving the current-receiving quality of the train, the positioning device includes a first insulator 13, one end of the first insulator 13 is fixedly connected to the lowest splicing rod 114 through a suspension base 131, the other end is provided with two first connecting ropes 132, the end portions of the two first connecting ropes 132, which are far away from the first insulator 13, are both provided with first positioning ring clamps 133, the first positioning ring clamps 133 on both sides are respectively provided with second connecting ropes 134, the end portions of the second connecting ropes 134 on both sides, which are far away from the first positioning ring clamps 137, are both provided with positioning clamps 135, the second positioning clamps 135 on both sides are both provided with positioning devices 136, the end portions of the positioning devices 136 on both sides, which are far away from the second positioning, the first positioning loop clamps 133 on both sides are provided with suspension pulleys 138, the positioning clamps 137 are used for the contact wires 15 of the contact net to pass through, and the suspension pulleys 138 are used for the messenger wires 16 to pass through.
In this application, the suspension base 131, the first positioning ring clamp 133, the second positioning ring clamp 135, the positioning clamp 137, and the suspension pulley 138 are all installation connection components of the contact line 15 in a contact network commonly used by those in the art, and therefore, for the specific structures of the suspension base 131, the first positioning ring clamp 133, the second positioning ring clamp 135, the positioning clamp 137, and the suspension pulley 138, in this application, detailed description thereof is omitted, in this embodiment, two positioning clamps 137 are adopted, and the positioning clamp is applicable to positions of turnouts on railways, and in other embodiments, the number of the positioning clamps 137 in the positioning device can be adjusted, so that the positioning clamps 137 with different numbers can be applicable to different railways.
Referring to fig. 1 and 2, in order to fix the first positioning ring clamp 133 and the second positioning ring clamp 135, so as to prevent the pantograph of the train from moving the first positioning ring clamp 133 and the second positioning ring clamp 135 after contacting the contact wire 15, thereby further improving the power receiving quality of the train, a first fixing rod 14 and a second fixing rod 141 are disposed between the two uprights 11 of each gantry 1, the first fixing rod 14 is disposed below the second rod body 121, the second fixing rod 141 is disposed below the first fixing rod 14, the first fixing rod 14 and the second fixing rod 141 are disposed parallel to each other with respect to the first rod body 12, a fixing wire 142 is disposed between the first fixing rod 14 and the second fixing rod 141 of each of the two gantry 1, the fixing wire 142 between the first fixing rods 14 on both sides passes through the first positioning ring clamp 133, the fixing wire 142 between the second fixing rods 141 on both sides passes through the second positioning ring clamp 135, the two ends of the fixed wire 142 are provided with second insulators 143, and the ends of the second insulators 143 away from the fixed wire 142 are fixedly arranged on the first rod 12 and the second rod 121 through anchor ears 144.
Two fixed lines 142 can play the effect of bearing and fixing to first holding ring fastener 133 and second holding ring fastener 135 respectively, prevent that the train pantograph from driving first holding ring fastener 133 and second holding ring fastener 135 and removing after contacting with contact wire 15, have further improved the fixed effect to contact wire 15 to the received current quality of train has been improved.
Referring to fig. 1 and 2, in order to detachably connect the first fixing rod 14 and the second fixing rod 141 to the two side columns 11, a fourth connecting flange 145 is provided on the column 11 at a position where the end portions of the first fixing rod 14 and the second fixing rod 141 are located, fifth connecting flanges 146 are provided at both ends of the first fixing rod 14 and the second fixing rod 141, and the fourth connecting flange 145 and the fifth connecting flange 146 are fixed by a plurality of third bolts 147 and a plurality of third nuts 148.
The implementation principle of the embodiment is as follows: the arrangement of the portal frame 1 can span the culvert below the railway, so that the culvert is prevented from influencing the stability of the whole positioning device after installation, and constructors do not need to modify the existing culvert or other structures, thereby reducing the engineering quantity and saving the cost and the engineering time; after the train pantograph is contacted with the contact line 15, the two fixing lines 142 can respectively play a role in bearing and fixing the first positioning ring line clamp 133 and the second positioning ring line clamp 135, so that the contact line 15 is guided and fixed, the train pantograph is prevented from moving after being contacted with the contact line 15, the vibration amplitude of the positioning device is reduced when the train passes through, the contact effect between the train pantograph and the contact line 15 of the contact line is improved, and the current receiving quality of the train pantograph is improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a railway existing line contact net location mounting structure which characterized in that: including two door type framves (1), two door type frame (1) is all fixed to be set up on the road bed and be located the track both sides, both sides the plane at door type frame (1) place is mutual parallel arrangement, every door type frame (1) all includes two stand (11) and fixed horizontal pole (111) of setting between two stand (11) tip, both sides be provided with between horizontal pole (111) of door type frame (1) and span roof beam (112) in the track top, be provided with on the cross roof beam (112) and be used for carrying out the positioner who fixes a position messenger wire (16) and contact wire (15) of contact net.
2. The existing railway line contact net positioning and mounting structure of claim 1, characterized in that: the cross beam (112) comprises a plurality of spliced beams (113) which are spliced with each other, and fixing pieces used for fixing the adjacent spliced beams (113) together are arranged on the adjacent spliced beams (113).
3. The existing railway line contact net positioning and mounting structure of claim 2, characterized in that: every splice roof beam (113) all includes three splice pole (114) that parallel arrangement each other, every splice all be provided with a plurality of reinforcement frame (115) between three splice pole (114) of roof beam (113), adjacent be parallel to each other and the interval sets up between the plane at reinforcement frame (115) place, every reinforcement frame (115) all are the triangle-shaped setting of falling down of summit, the length direction of splice pole (114) sets up along the plane at perpendicular to reinforcement frame (115) place, and is three splice pole (114) are located the position at the three summit place of triangle-shaped reinforcement frame (115) respectively.
4. The existing railway line contact net positioning and mounting structure of claim 3, characterized in that: the end parts, close to each other, of the splicing rods (114) of the adjacent splicing beams (113) are provided with first connecting flanges (116), the splicing rods (114) are perpendicular to the first connecting flanges (116), and the fixing piece comprises a plurality of first bolts (117) and first nuts (118) used for fixing the adjacent first connecting flanges (116) together.
5. The existing railway line contact net positioning and mounting structure of claim 1, characterized in that: horizontal pole (111) include the first body of rod (12) and be located first body of rod (12) below and with first body of rod (12) parallel arrangement's second body of rod (121), evenly be provided with a plurality of stiffeners (122), every along the length direction of horizontal pole (111) between the first body of rod (12) and the second body of rod (121) the both ends of stiffener (122) are fixed respectively to be set up on the first body of rod (12) and the second body of rod (121), and two concatenation poles (114) on upper portion are fixed to be set up on the first body of rod (12) in three concatenation pole (114), and a concatenation pole (114) of lower part is fixed to be set up on the second body of rod (121).
6. The existing railway line contact net positioning and mounting structure of claim 5, characterized in that: the second body of rod (121) includes head rod (123) and second connecting rod (124) that are located the connecting rod both ends, the length direction of head rod (123) sets up along the length direction of perpendicular to stand (11), contained angle between second connecting rod (124) and head rod (123) is the obtuse angle setting, the tip that head rod (123) were kept away from in second connecting rod (124) is located the position setting that is less than head rod (123).
7. The existing railway line contact net positioning and mounting structure of claim 6, characterized in that: the utility model discloses a first connecting rod of upright post (11) is characterized in that the position that just is located the tip place of the first body of rod (12) and second connecting rod (124) on stand (11) all is provided with second flange (125), the tip of the first body of rod (12) and second connecting rod (124) all is provided with third flange (126), it is fixed through a plurality of second bolts (127) and a plurality of second nut (128) between second flange (125) and third flange (126).
8. The existing railway line contact net positioning and mounting structure of claim 1, characterized in that: the positioning device comprises a first insulator (13), one end of the first insulator (13) is fixedly connected to the lowest splicing rod (114) through a suspension base (131), the other end of the first insulator (13) is provided with two first connecting ropes (132), the end parts, far away from the first insulator (13), of the two first connecting ropes (132) are provided with first positioning ring clamps (133), the first positioning ring clamps (133) on two sides are respectively provided with second connecting ropes (134), the end parts, far away from the first positioning ring clamps (137), of the second connecting ropes (134) on two sides are provided with second positioning ring clamps (135), the second positioning ring clamps (135) on two sides are respectively provided with a positioner (136), the end parts, far away from the second positioning ring clamps (135), of the positioners (136) on two sides are respectively provided with a positioning wire clamp (137), and the first positioning ring clamps (133) on two sides are respectively provided with a suspension pulley, the positioning wire clamp (137) is used for a contact wire (15) of a contact net to pass through, and the suspension pulley is used for a carrier cable (16) to pass through.
9. The existing railway line contact net positioning and mounting structure of claim 5, characterized in that: every all be provided with first dead lever (14) and second dead lever (141) between two stand (11) of door type frame (1), first dead lever (14) are located the second body of rod (121) below, second dead lever (141) are located first dead lever (14) below, first dead lever (14) and second dead lever (141) all are mutual parallel arrangement with first body of rod (12), both sides all be provided with fixed line (142) between first dead lever (14) and second dead lever (141) of door type frame (1), both sides fixed line (142) between first dead lever (14) pass first locating ring clamp (133), both sides fixed line (142) between second dead lever (141) pass second locating ring clamp (135), the both ends of fixed line (142) are provided with second insulator (143), the end that fixed line (142) were kept away from to second insulator (143) passes through staple bolt (144) fixed the setting in second locating ring clamp (143), the staple bolt (144) is fixed to be set up A rod (12) and a second rod (121).
10. The existing railway line contact net positioning and mounting structure of claim 9, characterized in that: the vertical column (11) is provided with a fourth connecting flange (145) at the positions where the end parts of the first fixing rod (14) and the second fixing rod (141) are located, the two ends of the first fixing rod (14) and the second fixing rod (141) are provided with fifth connecting flanges (146), and the fourth connecting flanges (145) and the fifth connecting flanges (146) are fixed through a plurality of third bolts (147) and a plurality of third nuts (148).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333488.5A CN111409511A (en) | 2020-04-24 | 2020-04-24 | Positioning and mounting structure for existing railway line contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333488.5A CN111409511A (en) | 2020-04-24 | 2020-04-24 | Positioning and mounting structure for existing railway line contact net |
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| Publication Number | Publication Date |
|---|---|
| CN111409511A true CN111409511A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010333488.5A Pending CN111409511A (en) | 2020-04-24 | 2020-04-24 | Positioning and mounting structure for existing railway line contact net |
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| Country | Link |
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| CN (1) | CN111409511A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721746A (en) * | 2021-02-02 | 2021-04-30 | 中铁二院工程集团有限责任公司 | Integral dropper device suitable for large-carrying-capacity electrified railway contact network system |
| CN113511112A (en) * | 2021-06-16 | 2021-10-19 | 中铁建电气化局集团南方工程有限公司 | Construction structure and method for simultaneously connecting double-circuit contact networks |
-
2020
- 2020-04-24 CN CN202010333488.5A patent/CN111409511A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721746A (en) * | 2021-02-02 | 2021-04-30 | 中铁二院工程集团有限责任公司 | Integral dropper device suitable for large-carrying-capacity electrified railway contact network system |
| CN112721746B (en) * | 2021-02-02 | 2023-01-20 | 中铁二院工程集团有限责任公司 | Integral dropper device suitable for large-carrying-capacity electrified railway contact network system |
| CN113511112A (en) * | 2021-06-16 | 2021-10-19 | 中铁建电气化局集团南方工程有限公司 | Construction structure and method for simultaneously connecting double-circuit contact networks |
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