CN217778418U - Positive locate mode both ears type contact net cantilever structure - Google Patents
Positive locate mode both ears type contact net cantilever structure Download PDFInfo
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- CN217778418U CN217778418U CN202222120535.5U CN202222120535U CN217778418U CN 217778418 U CN217778418 U CN 217778418U CN 202222120535 U CN202222120535 U CN 202222120535U CN 217778418 U CN217778418 U CN 217778418U
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Abstract
The utility model discloses a positive positioning type double-ear contact net cantilever structure, which comprises a flat cantilever and an inclined cantilever which are connected with a cantilever support, wherein the tail end of the inclined cantilever is connected with the flat cantilever through a cantilever connector, a first connecting seat at the middle part of the inclined cantilever is connected with a second connecting seat of the flat cantilever through a cantilever support, a positioning pipe is arranged below the first connecting seat, the upper part of a positioning support at the outer side of the positioning pipe is connected below the cantilever connector through the positioning pipe support, a positioner is arranged below the positioning support, and a wind-proof line is arranged between the tail end of the positioner and a third connecting seat at the middle part of the positioning pipe; the first connecting seat comprises a third fixing piece and a fourth fixing piece which are connected in opposite sides, and a first clamping groove connected with the fourth fixing piece is formed in the inner side of the third fixing piece. The utility model discloses a foretell positive locate mode binaural type contact net cantilever structure realizes that overall structure installs fast to, improve the stability of structure, effectual buffering high-frequency vibration.
Description
Technical Field
The utility model belongs to the technical field of the contact net technique and specifically relates to a positive locate mode binaural type contact net cantilever structure is related to.
Background
The safe and efficient operation of high-speed railways in electrified railways has a crucial meaning for the development of the whole railway network, wherein a contact network system is one part which is most prone to problems. As one of the important components in the power supply system of the electrified railway, the performance of the contact network system and the state of the device will directly affect the safety and reliability of the train operation. The overhead contact system is a special power supply line in a railway system, is erected in the air along a railway line and mainly comprises a contact suspension, a supporting device, a positioning device, a cantilever support, an auxiliary component and the like.
The contact suspension comprises connecting parts such as contact wires, dropper, carrier cables and the like; the supporting device comprises a cantilever structure, an insulator and other necessary connecting parts and the like and is mainly used for supporting contact suspension; the positioning device comprises a positioning pipe, a positioner wire clamp and a connecting part, and is used for fixing the position of the contact wire so as to ensure that the contact wire is within the range of the operation track of the pantograph slide plate in the running process of the train and the contact wire is not separated from the pantograph. The positioning mode of pulling the contact line to the pillar side by the positioning tube and the positioner is called positive positioning, and the side far away from the pillar is reverse positioning. In the prior art, the structure of the wrist arm is complex, and the rapid installation can not be realized while the bearing strength is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a positive locate mode binaural type contact net cantilever structure realizes that overall structure installs fast to, improve the stability of structure, effectual buffering high-frequency vibration.
In order to achieve the purpose, the utility model provides a positive positioning type double-ear contact net cantilever structure, which comprises a flat cantilever and an inclined cantilever which are connected with a cantilever support, wherein the tail end of the inclined cantilever is connected on the flat cantilever through a cantilever connector, a first connecting seat in the middle of the inclined cantilever is connected on a second connecting seat of the flat cantilever through a cantilever support, a positioning pipe is arranged below the first connecting seat, the upper part of a positioning support outside the positioning pipe is connected below the cantilever connector through the positioning pipe support, a positioner is arranged below the positioning support, and a wind-proof line is arranged between the tail end of the positioner and a third connecting seat in the middle of the positioning pipe;
the first connecting seat comprises a third fixing piece and a fourth fixing piece which are connected in opposite sides, a first clamping groove connected with the fourth fixing piece is formed in the inner side of the third fixing piece, second lifting lugs connected with the wrist arms in a supporting mode are arranged above second connecting portions of the third fixing piece and the fourth fixing piece, second fixing holes are formed in the upper side and the lower side of each second connecting portion, and third lifting lugs connected with a positioning tube front end converter are arranged below the third fixing piece.
Preferably, an arc-shaped clamping protrusion corresponding to the second connecting portion on the fourth fixing piece is arranged on the inner side above the third fixing piece.
Preferably, the second connecting seat and the third connecting seat have the same structure and respectively comprise a first fixing part and a second fixing part which are arranged at opposite sides, first fixing holes are formed in the upper side and the lower side of the arc-shaped first connecting part of the first fixing part and the second fixing part, and first lifting lugs are arranged below the first fixing part and the second fixing part.
Preferably, the positioning support comprises a fifth fixing piece and a sixth fixing piece which are connected with each other at opposite sides, third fixing holes are formed in the upper side and the lower side of a third connecting portion of the fifth fixing piece and the sixth fixing piece, and a fourth lifting lug connected with the positioning pipe in a supporting mode is arranged above the third connecting portion.
Preferably, the tail end of the leg extending outwards below the third connecting part is provided with a fifth lifting lug which faces downwards vertically, the size of the leg is gradually reduced from top to bottom, the legs are distributed in a staggered manner, and the fifth lifting lug is connected with the positioner through a converter.
Preferably, the wrist arm connector comprises a seventh fixing piece and an eighth fixing piece which are connected in opposite sides, a second clamping groove corresponding to the eighth fixing piece is arranged below the seventh fixing piece, fourth fixing holes are formed in the upper side and the lower side of an arc-shaped fourth connecting portion of the seventh fixing piece and the eighth fixing piece, the upper side of the seventh fixing piece is connected with the messenger wire seat through a heightening column, a strip-shaped through hole is formed in the inner side of the heightening column, a bolt penetrating through a pressing block above the messenger wire seat is arranged in the through hole, and a lug corresponding to grooves in two sides of the messenger wire seat is arranged below the pressing block;
and a sixth lifting lug which is respectively connected with the inclined cantilever and the positioning tube in a supporting manner is arranged below the fourth connecting part, the sixth lifting lug is of a symmetrical structure, and an arc-shaped groove is formed in the middle of the sixth lifting lug.
Preferably, an obtuse triangle is formed among the inclined wrist arm, the positioning tube support and the positioning tube, and a right triangle is formed among the flat wrist arm, the wrist arm support and the inclined wrist arm.
Preferably, the converter comprises a vertical double ear at one side and a horizontal single ear at the other side, the double ears are vertically arranged at two sides of the single ear, and one end of the positioning tube is provided with a double-ear structure connected with the upper side and the lower side of the single ear.
Preferably, the middle part of the positioner is of an upward convex structure, and a seventh lifting lug for fixing a windproof wire is arranged above the tail end of the positioner.
Preferably, the reinforcing layer is arranged on the outer sides of the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole, and the reinforcing ribs are arranged on the outer sides of the first connecting portion, the second connecting portion, the third connecting portion and the fourth connecting portion.
Therefore, the utility model adopts the above-mentioned just locate mode binaural type contact net cantilever structure, realize that overall structure installs fast to, improve the stability of structure, effectual buffering high-frequency vibration.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic view of an embodiment of a cantilever structure of a positive positioning type double-ear contact network of the present invention;
fig. 2 is a schematic view of a second connecting seat and a third connecting seat in a cantilever structure of a positive positioning type double-ear contact network of the present invention;
fig. 3 is a schematic view of a first connecting seat in a cantilever structure of a positive positioning type double-ear contact system of the present invention;
fig. 4 is a schematic view of a positioning support in a cantilever structure of a positive positioning type double-ear contact system of the present invention;
fig. 5 is a schematic view of a wrist connector in a cantilever structure of a positive positioning type double-ear contact network of the present invention;
fig. 6 is a schematic view of a positioner in a cantilever structure of a positive positioning type double-ear contact system of the present invention;
fig. 7 is a schematic diagram of a second wrist connector in the positive positioning type double-ear contact network wrist-arm structure of the utility model.
Reference numerals
1. A cantilever support; 2. a flat cantilever; 3. an oblique wrist arm; 4. a wrist-arm support; 5. a positioning tube; 6. supporting the positioning pipe; 7. a positioner; 71. a seventh lifting lug; 8. a converter; 9. reinforcing ribs; 10. a reinforcing layer;
11. a second connecting seat; 111. a third connecting seat; 112. a first fixing member; 113. a second fixing member; 114. a first connection portion; 115. a first fixing hole; 116. a first lifting lug;
12. a first connecting seat; 121. a third fixing member; 122. a fourth fixing member; 123. a first card slot; 124. a second lifting lug; 125. a second connecting portion; 126. clamping and protruding; 127. a second fixing hole; 128. a third lifting lug;
13. positioning a support; 131. a fifth fixing member; 132. a sixth fixing member; 133. a third connecting portion; 134. a third fixing hole; 135. a fourth lifting lug; 136. a support leg; 137. a fifth lifting lug;
14. a wrist-arm connector; 141. a seventh fixing member; 142. an eighth fixing member; 143. a second card slot; 144. a fourth connecting portion; 145. a fourth fixing hole; 146. heightening columns; 147. a through hole; 148. a sixth lifting lug;
15. a messenger wire seat; 151. briquetting; 152. and (4) a bump.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in the figure, a positive positioning type double-ear contact net cantilever structure comprises a flat cantilever 2 and an inclined cantilever 3 which are connected with a cantilever support 1, wherein the cantilever support 1 provides support for the flat cantilever 2 and the inclined cantilever 3. The tail end of the inclined wrist arm 3 is connected to the flat wrist arm 2 through a wrist arm connector 14, and one end of the inclined wrist arm 3 is fixed through the wrist arm connector 14. The first connecting seat 12 in the middle of the inclined wrist arm 3 is connected to the second connecting seat 11 of the flat wrist arm 2 through the wrist arm support 4, and the inclined wrist arm 3 is connected to the flat wrist arm 2 through the first connecting seat 12. A positioning tube 5 is arranged below the first connecting seat 12, so that the position of one end of the positioning tube 5 is fixed. The upper part of a positioning support 13 on the outer side of the positioning tube 5 is connected to the lower part of the wrist arm connector 14 through a positioning tube support 6, and the stable connection of the positioning tube 5 is ensured through the positioning tube support 6. And a positioner 7 is arranged below the positioning support 13, so that the position of the positioner 7 is fixed. A windproof wire is arranged between the tail end of the positioner 7 and the third connecting seat 111 in the middle of the positioning tube 5, and the further fixation of the positioner 7 is realized by the windproof wire.
An obtuse triangle is formed among the inclined wrist arm 3, the positioning tube support 6 and the positioning tube 5, and the stable connection is ensured due to the structural arrangement of the obtuse triangle. Right-angled triangles are formed among the flat cantilever 2, the cantilever support 4 and the inclined cantilever 3, and the position stability of the flat cantilever 2 and the position stability of the inclined cantilever 3 are ensured by the cantilever support 4.
The first connecting seat 12 includes a third fixing member 121 and a fourth fixing member 122 connected to opposite sides, a first engaging groove 123 connected to the fourth fixing member 122 is disposed on an inner side of the third fixing member 121, and the first connecting seat 12 is stably connected to the fourth fixing member 122 through the third fixing member 121. The upper and lower sides of the second connecting portion 125 are provided with second fixing holes 127, and fastening is achieved through the second fixing holes 127. A second lifting lug 126 connected with the wrist-arm support 4 is arranged above the second connecting portion 125 of each of the third fixing member 121 and the fourth fixing member 122, and the connection of the wrist-arm support 4 is realized through the second lifting lug 126. A third lifting lug 128 connected with the converter 8 at the front end of the positioning pipe 5 is arranged below the third fixing part 121, and the third lifting lug 128 realizes the connection of the converter 8, thereby realizing the connection of the positioning pipe 5.
An arc-shaped clamping protrusion 129 corresponding to the second connecting portion 125 of the fourth fixing member 122 is disposed on the inner side above the third fixing member 121, and the third fixing member 121 and the fourth fixing member 122 are tightly connected through the clamping protrusion 129. The third lifting lug 128 above the snap-in projection 129 provides space for attachment of the wrist support 4.
The second connecting seat 11 and the third connecting seat 111 have the same structure, and both include a first fixing member 112 and a second fixing member 113 disposed at opposite sides, the upper and lower sides of the arc-shaped first connecting portion 114 of the first fixing member 112 and the second fixing member 113 are provided with first fixing holes 115, and the first fixing member 112 and the second fixing member 113 are connected through the first fixing holes 115. A first lifting lug 116 is arranged below the first fixing part 112 and the second fixing part 113, and the connection of the wrist-arm support 4 or the positioner 7 is realized through the first lifting lug 116.
The positioning support 13 includes a fifth fixing member 131 and a sixth fixing member 132 connected to opposite sides, and third fixing holes 134 are formed in upper and lower sides of a third connecting portion 133 of the fifth fixing member 131 and the sixth fixing member 132, so that the fifth fixing member 131 and the sixth fixing member 132 are stably connected through the third fixing holes 134. A fourth lifting lug 135 connected with the positioning tube support 6 is arranged above the third connecting part 133, and the connection of the positioning tube support 6 is realized through the fourth lifting lug 135.
The end of the leg 136 extending outwards below the third connecting part 133 is provided with a fifth lifting lug 137 facing downwards vertically, the fifth lifting lug 137 is connected with the positioner 7 through the converter 8, and the positioner 7 is connected through the fifth lifting lug 137. The legs 136 are gradually reduced in size from top to bottom, the legs 136 are distributed in a staggered mode, and the overall elasticity of the legs 136 is improved, so that high-frequency vibration is released. The middle part of the locator 7 is of an upward convex structure, so that the bearing strength is improved, and the high-frequency vibration caused by a high-speed running train cannot damage the locator. A seventh lifting lug 71 used for fixing the windproof wire is arranged above the tail end of the locator 7, and the seventh lifting lug 71 realizes the fixation of the windproof wire, so that the position fixation of the locator 7 is ensured.
The wrist arm connector 14 includes a seventh fixing element 141 and an eighth fixing element 142 connected to opposite sides, a second clamping groove 143 corresponding to the eighth fixing element 142 is provided below the seventh fixing element 141, the seventh fixing element 141 and the eighth fixing element 142 are integrally connected through the second clamping groove 143, and consistency of bearing strength of the fixing elements is ensured. The fourth fixing holes 145 are formed at the upper and lower sides of the arc-shaped fourth connecting portion 144 of the seventh fixing member 141 and the eighth fixing member 142, and the fourth fixing holes 145 are used for realizing stable connection. The seventh fixing member 141 is connected to the messenger wire seat 15 via a height increasing column 146, which increases the supporting height to adjust the height of the messenger wire. The inner side of the heightening column 146 is provided with a strip through hole 147, so that the weight of the heightening column is reduced, and the stable support of the seventh fixing member 141 is ensured. The through hole 147 is internally provided with a bolt which penetrates through the pressing block 151 above the carrier cable seat 15, and the bolt is arranged at a position which is convenient for the stability of the whole structure. A bump 152 corresponding to the grooves on both sides of the messenger wire seat 15 is provided below the pressing block 151, and the pressing block is clamped into the messenger wire seat through the bump 152 to realize stable connection of the pressing block.
In addition, the wrist arm connector can also be in the structure shown in fig. 7, wherein the heightening columns are not included, and other structures are the same.
A sixth lifting lug 148 connected with the inclined cantilever 3 and the positioning tube support 6 respectively is arranged below the fourth connecting part 144, and the inclined cantilever 3 and the positioning tube support 6 are connected through the sixth lifting lug 148. The sixth lifting lug 148 is of a symmetrical structure, an arc-shaped groove is formed in the middle of the sixth lifting lug 148, and a rotation space is provided for connection of the inclined wrist arm 3 and the positioning tube support 6.
The reinforcing layers are arranged outside the first fixing hole 115, the second fixing hole 127, the third fixing hole 134 and the fourth fixing hole 145, so that the bearing strength of the fixing device is improved. The reinforcing ribs 9 are arranged on the outer sides of the first connecting part 114, the second connecting part 125, the third connecting part 133 and the fourth connecting part 144, and the bearing strength of each connecting part is improved by the reinforcing ribs 9.
In contact with a train running at high speed, the cantilever structure is subjected to severe vibration and the positioner needs to pull the wire inwards. The utility model discloses saved complicated clamp connecting piece among the prior art, through setting up simple connection structure, when guaranteeing to bear the weight of intensity, released the vibration of nondirectional direction, weakened the effort to flat cantilever and oblique cantilever to, guarantee the stable in position of locator, can not take place very big positional deviation along with the vibration of train, cause the accident of derailing.
Therefore, the utility model adopts the above-mentioned two ear type contact net cantilever structures of positive locate mode realizes that overall structure installs fast to, improve the stability of structure, effectual buffering high-frequency vibration.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a positive locate mode binaural type contact net cantilever structure which characterized in that: the wind-proof wrist comprises a flat cantilever and an inclined cantilever which are connected with a cantilever support column, wherein the tail end of the inclined cantilever is connected to the flat cantilever through a cantilever connector, a first connecting seat in the middle of the inclined cantilever is connected to a second connecting seat of the flat cantilever through a cantilever support, a positioning tube is arranged below the first connecting seat, a positioning support outside the positioning tube is connected below the cantilever connector through a positioning tube support, a positioner is arranged below the positioning support, and a wind-proof line is arranged between the tail end of the positioner and a third connecting seat in the middle of the positioning tube;
the first connecting seat comprises a third fixing piece and a fourth fixing piece which are connected in opposite sides, a first clamping groove connected with the fourth fixing piece is formed in the inner side of the third fixing piece, second lifting lugs connected with a cantilever support are arranged above second connecting portions of the third fixing piece and the fourth fixing piece, second fixing holes are formed in the upper side and the lower side of each second connecting portion, and a third lifting lug connected with a positioning tube front end converter is arranged below the third fixing piece.
2. The positive positioning type double-ear contact net cantilever structure of claim 1, wherein: and an arc-shaped clamping protrusion corresponding to the second connecting part on the fourth fixing part is arranged on the inner side above the third fixing part.
3. The positive positioning type double-ear contact net cantilever structure of claim 2, wherein: the second connecting seat and the third connecting seat are identical in structure and respectively comprise a first fixing piece and a second fixing piece which are arranged on opposite sides, first fixing holes are formed in the upper side and the lower side of the arc-shaped first connecting portion of the first fixing piece and the arc-shaped first connecting portion of the second fixing piece, and first lifting lugs are arranged below the first fixing piece and the second fixing piece.
4. The positive positioning type double-ear contact net cantilever structure of claim 3, wherein: the positioning support comprises a fifth fixing piece and a sixth fixing piece which are connected with opposite sides, third fixing holes are formed in the upper side and the lower side of a third connecting portion of the fifth fixing piece and the sixth fixing piece, and a fourth lifting lug connected with the positioning pipe in a supporting mode is arranged above the third connecting portion.
5. The positive positioning type double-ear contact net cantilever structure of claim 4, wherein: the tail end of the supporting leg extending outwards below the third connecting part is provided with a fifth lifting lug which faces downwards vertically, the size of the supporting leg is gradually reduced from top to bottom, the supporting legs are distributed in a staggered mode, and the fifth lifting lug is connected with the positioner through a converter.
6. The positive positioning type double-ear contact net cantilever structure of claim 5, wherein: the wrist arm connector comprises a seventh fixing piece and an eighth fixing piece which are connected in opposite sides, a second clamping groove corresponding to the eighth fixing piece is arranged below the seventh fixing piece, a fourth fixing hole is arranged on the upper side and the lower side of an arc-shaped fourth connecting part of the seventh fixing piece and the eighth fixing piece, the upper side of the seventh fixing piece is connected with the messenger wire seat through a heightening column, a long strip through hole is arranged on the inner side of the heightening column, a bolt penetrating through a pressing block above the messenger wire seat is arranged in the through hole, and a lug corresponding to grooves on two sides of the messenger wire seat is arranged below the pressing block;
and a sixth lifting lug which is respectively connected with the inclined cantilever and the positioning tube in a supporting manner is arranged below the fourth connecting part, the sixth lifting lug is of a symmetrical structure, and an arc-shaped groove is formed in the middle of the sixth lifting lug.
7. The positive positioning type double-ear contact net cantilever structure of claim 6, wherein: an obtuse triangle is formed among the inclined wrist arm, the positioning tube support and the positioning tube, and a right triangle is formed among the flat wrist arm, the wrist arm support and the inclined wrist arm.
8. The positive positioning type double-ear contact net cantilever structure of claim 7, wherein: the converter comprises a vertical double ear at one side and a horizontal single ear at the other side, the double ears are vertically arranged at two sides of the single ear, and one end of the positioning tube is provided with a double-ear structure connected with the upper side and the lower side of the single ear.
9. The positive positioning type double-ear contact net cantilever structure of claim 8, wherein: the middle part of the locator is an upward convex structure, and a seventh lifting lug for fixing a windproof wire is arranged above the tail end of the locator.
10. The positive positioning type double-ear contact net cantilever structure of claim 9, wherein: the outside of first fixed orifices, second fixed orifices, third fixed orifices, fourth fixed orifices is equipped with the enhancement layer, the outside of first connecting portion, second connecting portion, third connecting portion, fourth connecting portion is equipped with the strengthening rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222120535.5U CN217778418U (en) | 2022-08-12 | 2022-08-12 | Positive locate mode both ears type contact net cantilever structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222120535.5U CN217778418U (en) | 2022-08-12 | 2022-08-12 | Positive locate mode both ears type contact net cantilever structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217778418U true CN217778418U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222120535.5U Active CN217778418U (en) | 2022-08-12 | 2022-08-12 | Positive locate mode both ears type contact net cantilever structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217778418U (en) |
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2022
- 2022-08-12 CN CN202222120535.5U patent/CN217778418U/en active Active
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