CN110011216B - Crossing frame - Google Patents
Crossing frame Download PDFInfo
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- CN110011216B CN110011216B CN201910189389.1A CN201910189389A CN110011216B CN 110011216 B CN110011216 B CN 110011216B CN 201910189389 A CN201910189389 A CN 201910189389A CN 110011216 B CN110011216 B CN 110011216B
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- aluminum pipe
- butt joint
- pulley
- sleeve
- lock catch
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention discloses a crossing frame which comprises four tower columns, aluminum pipe supporting components, cross arms and an insulating net, wherein the four tower columns are arranged on two sides of a crossing line and positioned at four corners of a rectangle, the aluminum pipe supporting components cross two sides of the crossing line, two end parts of the aluminum pipe supporting components are connected with the tower columns, the cross arms are parallel to the line, two end parts of the cross arms are connected with the tower columns, the insulating net is positioned among the four tower columns and crosses the line, the tower columns comprise a chassis, a plurality of tower sections, a four-way flange, a universal hanging point and a stay wire support, the tower sections are arranged above the chassis, the four-way flange is arranged on the. The butt joint device mainly comprises a butt joint sleeve and a lock catch bolt, wherein the butt joint end of the first aluminum pipe and the butt joint end of the second aluminum pipe are butted in the butt joint sleeve and locked by the lock catch bolt, so that the butt joint device is simple in structure and reliable in butt joint.
Description
Technical Field
The invention relates to a construction technology of a power transmission line, in particular to a crossing frame.
Background
With the rapid development of ultrahigh voltage construction in China, in the construction process of newly-built power lines, the situations that cross-over construction is needed when the newly-built power lines are used in high-speed railways and highways of the built power lines are more and more. The crossing frame serving as a main construction machine and a safety measure for crossing construction can effectively guarantee the safe and efficient development of engineering, so that the improvement of the performance of the crossing frame is more and more emphasized by people.
The chinese invention patent with application number 201810554614.2 in 2018, 10 and 12 discloses a crossing frame docking device and a crossing frame, which comprise a plugging part and a receiving part; the inserting part comprises a first flange plate and a convex butt joint coaxially connected with the first flange plate; the bearing part comprises a second flange plate and a sleeve coaxially connected with the second flange plate; an elastic piece, a transition piece and a concave butt joint which are connected with each other are sequentially arranged in the sleeve from the bottom to the opening; the sleeve includes from the end to the opening set gradually and the internal diameter degressive be used for the combination section of concave butt joint and the butt joint of convex butt joint, be used for preventing convex butt joint with the spacing section of the lock position section of concave butt joint separation and being used for restricting concave butt joint outwards moves spacing section. The butt joint device has a complex structure and is inconvenient to construct.
Disclosure of Invention
The invention aims to solve the technical problem of providing a crossing frame, wherein a butt joint device is simple in structure and convenient for butt joint construction.
In order to solve the technical problems, the invention adopts the following technical scheme: a crossing frame comprises four towers arranged on two sides of a crossing line and positioned at four corners of a rectangle, aluminum pipe supporting components arranged on two sides of the crossing line and connected with the towers at two ends, cross arms parallel to the line and connected with the towers at two ends, and an insulating net arranged among the four towers and crossing the line, wherein each tower comprises a chassis, a plurality of tower sections arranged above the chassis, a four-way flange arranged at the upper part of each tower and connected with the tower sections at the upper end and the lower end, a universal hanging point arranged at the top of each tower, and a stay wire bracket arranged above the universal hanging point; wherein, the aluminum pipe supporting component comprises a first aluminum pipe, a second aluminum pipe and a butt joint device which is used for butt joint and fixing the first aluminum pipe and the second aluminum pipe and is arranged at the butt joint end of the first aluminum pipe, the butt joint device comprises a butt joint sleeve, a through hole arranged on the pipe wall of the butt joint sleeve, a lock catch bolt sleeve which is connected with the outer wall of the butt joint sleeve and is arranged corresponding to the through hole, a lock catch bolt which can move along the lock catch bolt sleeve, and a bent plate support which is connected with the outer wall of the butt joint sleeve and is hinged with a bent plate, one end of the bent plate is hinged with the lock catch bolt, the other end of the bent plate is connected with a butt joint anti-falling rope, the pipe wall of the butt joint end of the second aluminum pipe is provided with a lock catch bolt hole, after the butt joint of the first aluminum pipe and the second aluminum pipe is connected with the butt joint sleeve, the lock catch bolt is driven to rotate by pulling the butt joint, the propelling movement end of aluminum pipe is equipped with two axial extension's pulley groove along circumference interval 180 degrees, and the propelling movement end of aluminum pipe is equipped with two propelling movement pulley bolts along circumference interval 180 degrees, install the propelling movement pulley on the propelling movement pulley bolt, the excircle of propelling movement pulley passes through the pulley groove.
Optionally, the side wall of the tail part of the butt joint sleeve is connected with a pushing hanging plate at an interval of 180 degrees, and the pushing hanging plate is connected with an aluminum pipe pull rope.
Optionally, the middle side wall of the butt joint sleeve is provided with axial long grooves at an interval of 180 degrees, and the axial long grooves are connected with the stay cord hanging bolts.
Optionally, the head side wall of the docking sleeve is connected with a mesh fixing ring at an interval of 180 degrees.
Optionally, the bent plate includes first section and second section of perpendicular connection, first section and second section meet the position and are connected with the pivot, the head of first section is equipped with waist type hole and is connected with the hasp bolt, the head end and the butt joint anticreep rope of second section are connected.
Optionally, an aluminum pipe butt joint is arranged at the butt joint end of the first aluminum pipe, and a conical head is arranged at the head end of the aluminum pipe butt joint.
Optionally, the aluminum pipe is connected with an aluminum pipe pulley assisting set, and the aluminum pipe pulley assisting set is connected with the four-way flange through a lower support rod.
Optionally, the aluminum pipe pulley assisting set is connected with the universal hanging point through an upper pull rod.
Optionally, the aluminum pipe pulley assisting set comprises two pulley assisting wheels clamped at the upper side and the lower side of the aluminum pipe, two angle aluminums arranged side by side, a pulley shaft connected between the two angle aluminums, and a connecting rod, and the connecting rod is connected with the upper pull rod.
Optionally, the guide pulley block comprises an upper guide pulley and a lower guide pulley, the guide pulleys are mounted on a guide pulley seat, and the guide pulley seat extends outwards from the side face of the four-way flange.
By adopting the technical scheme, the invention has the following beneficial effects:
1. the butt joint device mainly comprises a butt joint sleeve and a lock catch bolt, wherein the butt joint end of the first aluminum pipe and the butt joint end of the second aluminum pipe are butted in the butt joint sleeve and locked through the lock catch bolt, so that the butt joint device is simple in structure and reliable in butt joint.
2. The pull rope is adopted to pull the first aluminum pipe and the second aluminum pipe to adjust the positions, and finally the pull rope pulls the lock catch bolt to connect the first aluminum pipe and the second aluminum pipe with the butt joint device into a whole to complete butt joint operation.
3. On the four-way flange, the first aluminum pipe and the second aluminum pipe are guided to be in butt joint by the aluminum pipe insertion pipe and the guide pulley in a matching mode, labor is saved, and butt joint is accurate.
4. The aluminum pipe assistant pulley group is further adopted to guide the first aluminum pipe and the second aluminum pipe to be in butt joint operation, the lower support rod and the upper pull rod are adopted to guarantee the positions, and the first aluminum pipe and the second aluminum pipe cannot stretch too long after passing through the aluminum pipe assistant pulley group, so that butt joint can be accurate.
5. The lower support rod and the upper pull rod are both connected with an adjusting screw rod, so that the pull rope, the pull rod and the support rod can be adjusted to position the first aluminum pipe and the second aluminum pipe.
6. Firstly, the two-corner main rope of the net is firmly tied with one end of the net hanging rope, and one person utilizes the pulley to connect the net on the aluminum pipe (or lantern ring and the like) at the position of the aluminum pipe pulley, so that the net is convenient to hang.
The following detailed description of the present invention will be provided in conjunction with the accompanying drawings.
Drawings
The invention is further described with reference to the accompanying drawings and the detailed description below:
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic view of a four-way flange structure according to the present invention;
FIG. 3 is a schematic diagram of a universal hanging point structure according to the present invention;
FIG. 4 is a schematic view of the structure of the stay wire bracket of the present invention;
FIG. 5 is a schematic view showing the structure of a first aluminum pipe in the present invention;
FIG. 6 is a schematic view showing the structure of a second aluminum pipe in the present invention;
FIG. 7 is a schematic structural view of the docking device of the present invention;
FIG. 8 is a partial top view of the docking assembly of the present invention;
FIG. 9 is a schematic view showing a butt joint structure of a first aluminum pipe and a second aluminum pipe in the present invention;
FIG. 10 is a schematic structural view of an auxiliary sheave assembly according to the present invention;
FIG. 11 is a schematic view of a connection structure of a pulley block according to the present invention;
fig. 12 is a schematic structural view of a cross arm pulley block in the invention.
Detailed Description
As shown in fig. 1 and 2, the crossing structure includes four towers 1 disposed at four corners of a rectangle crossing both sides of a line, aluminum pipe support members 2 crossing both sides of the line and having both ends connected to the towers, a cross arm 3 parallel to the line and having both ends connected to the towers, and an insulating net 4 disposed between the four towers 1 and crossing the line.
The tower column 1 comprises a chassis 11, a plurality of tower sections 12 arranged above the chassis, a four-way flange 13 arranged on the upper portion of the tower column, wherein the upper end and the lower end of the four-way flange are connected with the tower sections, a universal hanging point 14 arranged on the top of the tower column, and a stay wire support 15 arranged above the universal hanging point 14.
Referring to fig. 5 to 9, the aluminum pipe support assembly 2 comprises a first aluminum pipe 21, a second aluminum pipe 22 and a butting device 23 for butting and fixing the first aluminum pipe 21 and the second aluminum pipe 22 and arranging the first aluminum pipe at the butting end of the first aluminum pipe. The butting device 23 comprises a butting sleeve 231, a through hole formed in the wall of the butting sleeve, a locking bolt sleeve 237 connected to the outer wall of the butting sleeve and arranged corresponding to the through hole, a locking bolt 236 capable of moving along the locking bolt sleeve, and a bent plate support 234 connected to the outer wall of the butting sleeve and hinged to the bent plate 235, wherein one end of the bent plate is hinged to the locking bolt 236, the other end of the bent plate is connected to a butting anti-falling rope, a locking bolt hole is formed in the wall of the butting end of the second aluminum tube, after the butting end of the first aluminum tube and the butting end of the second aluminum tube are butted in the butting sleeve, the bent plate 235 is driven to rotate by pulling the butting anti-falling rope, the locking bolt 236 is buckled into the locking bolt hole, and the first aluminum tube 21, the second aluminum tube 22 and.
Referring to fig. 2, in order to facilitate the butt joint of the first aluminum pipe 21 and the second aluminum pipe 22, the four-way flange 13 is provided with an aluminum pipe insertion pipe 131, the four-way flange is connected with a guide pulley block corresponding to the pipe orifice of the aluminum pipe insertion pipe and used for guiding the aluminum pipe to slide along the aluminum pipe insertion pipe, the guide pulley block comprises an upper guide pulley 132 and a lower guide pulley 132, the guide pulleys 132 are arranged on a guide pulley seat 133, and the guide pulley seat 133 extends outwards from the side surface of the four-way flange so that the guide pulleys are positioned outside the pipe orifice of. The first aluminum pipe 21 and the second aluminum pipe 21 can slide relatively smoothly along the aluminum pipe insertion pipe 131 by being guided by the guide pulley 132.
The first aluminum pipe 21 and the second aluminum pipe 22 are pushed to the butt end direction by applying force through the pushing end by using a pull rope. Referring to fig. 5 and 6, the pushing ends of the first aluminum pipe 21 and the second aluminum pipe 22 are provided with two axially extending pulley grooves at an interval of 180 degrees in the circumferential direction, and the pushing ends are provided with pushing pulley bolts 214, the pushing pulley bolts 214 are provided with pushing pulleys 213, and the outer circles of the pushing pulleys pass through the pulley grooves. Correspondingly, a rope pushing hanging plate 134 is arranged on the four-way flange, the pushing rope is wound by a pushing pulley 213 and penetrates through a rope hole in the rope pushing hanging plate, the pushing rope is pulled, and the first aluminum pipe 21/the second aluminum pipe 22 is pushed to move towards the butt joint end.
Further, the pushing end is connected with a pushing rope anti-falling bolt 215 which is parallel to the pushing pulley bolt 214 and located outside the pushing pulley 213 to prevent the pushing rope from falling off from the pushing pulley 213.
In order to facilitate the butt joint of the first aluminum pipe 21 and the second aluminum pipe 22, an aluminum pipe butt joint 211 is arranged at the butt joint end of the first aluminum pipe, and a conical head is arranged at the head end of the aluminum pipe butt joint. The butt joint end of the first aluminum pipe is connected with the butt joint device in advance, and the conical head enters the butt joint end of the second aluminum pipe during butt joint. And then adjusting the relative positions of the first aluminum pipe, the second aluminum pipe and the butting device to butt the first aluminum pipe and the second aluminum pipe at the middle position of the butting sleeve.
The tail side wall of the butt joint sleeve is connected with a pushing hanging plate 232 at an interval of 180 degrees. And axial long grooves are formed in the side wall of the middle of the butt joint sleeve at intervals of 180 degrees and are connected with a pull rope hanging bolt, and the pull rope hanging bolt is fixed with the first aluminum pipe.
The head side wall of the butt joint sleeve is connected with a net hanging fixing ring 238 at an interval of 180 degrees for connecting a net hanging rope.
The bending plate comprises a first section and a second section which are vertically connected, the connection position of the first section and the second section is connected with the rotating shaft, the head of the first section is provided with a kidney-shaped hole to be connected with the lock catch bolt, the head end of the second section is connected with the butt joint anti-falling rope, and the lock catch bolt is pressed down by pulling the butt joint anti-falling rope during butt joint.
In addition, referring to fig. 3, the universal hanging point 14 includes a rectangular frame 141, and a plurality of hanging holes 142 distributed along the outer side of the rectangular frame in the circumferential direction, and the hanging holes protrude outward and downward and are provided with hanging holes for connecting various pulling ropes.
Referring to fig. 4, the wire support 15 includes a triangular pillar frame and a wire tightener at the top end of the triangular pillar frame.
Referring to fig. 10 and 11, when the butted ends of the first aluminum pipe 21 and the second aluminum pipe 22 are excessively stretched, deformation is liable to occur, which affects the butting. Therefore, the first aluminum pipe 21 and the second aluminum pipe 22 are further connected with an aluminum pipe pulley aid set 24, the aluminum pipe pulley aid set is connected with the four-way flange 13 through a lower support rod 246, and the aluminum pipe pulley aid set is connected with the universal hanging point 14 through an upper pull rod 247. Therefore, the first aluminum pipe and the second aluminum pipe support the overhanging part through the aluminum pipe pulley-assisted group 24, and the overhanging part is not deformed, so that the first aluminum pipe and the second aluminum pipe can be butted accurately. Specifically, the aluminum pipe pulley block 24 includes two auxiliary pulleys 242 clamped on the upper and lower sides of the aluminum pipe, two angle aluminums 243 arranged side by side, a pulley shaft 241 connected between the two angle aluminums, and a connecting rod 244 connected to an upper pull rod 247, and the angle aluminums are connected to a connecting point 245 for connecting to a lower support rod 246. And the lower support rod and the upper pull rod are both connected with an adjusting screw rod, so that the length can be adjusted, the position of the aluminum pipe pulley assisting wheel set 24 is adjusted, and the butt joint position of the first aluminum pipe and the second aluminum pipe is ensured.
The pull rope hanging bolt is arranged on the rear side of the butt joint position of the head parts of the first aluminum pipe 21 and the second aluminum pipe 22 and connected with the pull rope, and the pull rope, the upper pull rod and the lower support rod can be adjusted to be placed in a correct position during butt joint.
Referring to fig. 12, the cross arm 3 includes a cross arm truss and a cross arm pulley block mounted on the cross arm truss. The cross arm pulley block comprises pulley bases 31 on two sides, pulley shafts arranged between the pulley bases on the two sides, pulleys 32 arranged on the pulley shafts, and fixed angle aluminum 33 arranged below the pulley bases and tightly held and fixed on the cross arm truss through the matching of fixing bolts 34 and the pulley bases. One end of the pull rope is fixed on the cross arm, the other end of the pull rope can penetrate through the universal hanging point, then the lifting rope is pulled, the cross arm is hung on the corresponding mounting position, and the pull rope is fixed with the tower section through bolts. Because the cross arm is longer, can set up multiunit cross arm assembly pulley along cross arm length direction.
A spanning frame assembly method comprising the steps of:
s1, connecting the base, the tower section, the four-way flange, the universal hanging point and the stay wire bracket according to positions;
s2, inserting an aluminum pipe;
s3, installing an aluminum tube pull rod sliding assisting device and tying various operating ropes;
s4, erecting the tower and drawing a wire;
s5, assembling the cross arm;
s6, hoisting the cross arm;
s7, butting aluminum pipes, wherein when the aluminum pipes are butted, firstly, pull wires need to be matched, and installers on the tower can adjust the pull wires, the pull rods and the supporting rods to correct the positions;
s8, hanging a net: firstly, the two-angle main rope of the net is firmly tied with one end of the net hanging rope, and one person utilizes the pulley to connect the net on the aluminum pipe at the position of the aluminum pipe pulley.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in other forms without departing from the spirit or essential characteristics thereof. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a crossing structure, is including locating four pylons that stride across circuit both sides and be located the four corners of rectangle, strideing across circuit both sides and both ends and connecting the aluminum pipe supporting component of pylon, the cross arm that is parallel with the circuit and both ends are connected the pylon and be located four pylons between and stride across the insulating net of circuit, its characterized in that: the tower column comprises a chassis, a plurality of tower sections arranged above the chassis, a four-way flange arranged at the upper part of the tower column, a universal hanging point arranged at the top of the tower column and a pull wire bracket arranged above the universal hanging point, wherein the upper end and the lower end of the four-way flange are connected with the tower sections; wherein, the aluminum pipe supporting component comprises a first aluminum pipe, a second aluminum pipe and a butt joint device which is used for butt joint and fixing the first aluminum pipe and the second aluminum pipe and is arranged at the butt joint end of the first aluminum pipe, the butt joint device comprises a butt joint sleeve, a through hole arranged on the pipe wall of the butt joint sleeve, a lock catch bolt sleeve which is connected with the outer wall of the butt joint sleeve and is arranged corresponding to the through hole, a lock catch bolt which can move along the lock catch bolt sleeve, and a bent plate support which is connected with the outer wall of the butt joint sleeve and is hinged with a bent plate, one end of the bent plate is hinged with the lock catch bolt, the other end of the bent plate is connected with a butt joint anti-falling rope, the pipe wall of the butt joint end of the second aluminum pipe is provided with a lock catch bolt hole, after the butt joint of the first aluminum pipe and the second aluminum pipe is connected with the butt joint sleeve, the lock catch bolt is driven to rotate by pulling the butt joint, the propelling movement end of aluminum pipe is equipped with two axial extension's pulley groove along circumference interval 180 degrees, and the propelling movement end of aluminum pipe is equipped with two propelling movement pulley bolts along circumference interval 180 degrees, install the propelling movement pulley on the propelling movement pulley bolt, the excircle of propelling movement pulley passes through the pulley groove.
2. A spanning frame according to claim 1, wherein: the side wall of the tail part of the butt joint sleeve is connected with a pushing hanging plate at an interval of 180 degrees, and the pushing hanging plate is connected with an aluminum pipe pull rope.
3. A spanning frame according to claim 1, wherein: and axial long grooves are formed in the side wall of the middle part of the butt joint sleeve at intervals of 180 degrees and are connected with a pull rope hanging bolt.
4. A spanning frame according to claim 1, wherein: the side wall of the head part of the butt joint sleeve is connected with net fixing rings at intervals of 180 degrees.
5. A spanning frame according to claim 1, wherein: the bent plate comprises a first section and a second section which are vertically connected, the connecting positions of the first section and the second section are connected with the rotating shaft, the head of the first section is provided with a waist-shaped hole to be connected with the lock catch bolt, and the head end of the second section is connected with the butt joint anti-falling rope.
6. A spanning frame according to claim 1, wherein: an aluminum pipe butt joint is arranged at the butt joint end of the first aluminum pipe, and a conical head is arranged at the head end of the aluminum pipe butt joint.
7. A spanning frame according to any one of claims 1 to 6, wherein: the aluminum pipe is connected with an aluminum pipe pulley assisting set, and the aluminum pipe pulley assisting set is connected with a four-way flange through a lower support rod.
8. A spanning frame according to claim 7, wherein: the aluminum pipe pulley assisting wheel set is connected with the universal hanging point through the upper pull rod.
9. A spanning frame according to claim 8, wherein: the aluminum pipe pulley assisting set comprises two pulley assisting wheels clamped on the upper side and the lower side of an aluminum pipe, two angle aluminum arranged side by side, a pulley shaft connected between the two angle aluminum, and a connecting rod, wherein the connecting rod is connected with the upper pull rod.
10. A spanning frame according to claim 7, wherein: the guide pulley block comprises an upper guide pulley and a lower guide pulley, the guide pulleys are arranged on a guide pulley seat, and the guide pulley seat extends outwards from the side face of the four-way flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189389.1A CN110011216B (en) | 2019-03-13 | 2019-03-13 | Crossing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189389.1A CN110011216B (en) | 2019-03-13 | 2019-03-13 | Crossing frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110011216A CN110011216A (en) | 2019-07-12 |
| CN110011216B true CN110011216B (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910189389.1A Active CN110011216B (en) | 2019-03-13 | 2019-03-13 | Crossing frame |
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| Country | Link |
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| CN (1) | CN110011216B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486817A (en) * | 2020-04-10 | 2020-08-04 | 三峡大学 | Crossing frame stability monitoring device and method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2927428Y (en) * | 2006-04-24 | 2007-07-25 | 俞云飞 | Assembled insulated spanning rack |
| CN203645249U (en) * | 2014-01-10 | 2014-06-11 | 葛洲坝集团电力有限责任公司 | Hook-net-plane-type charged crossing device |
| JP6488791B2 (en) * | 2015-03-17 | 2019-03-27 | 中国電力株式会社 | Protective member support device |
| JP6769189B2 (en) * | 2016-09-06 | 2020-10-14 | 中国電力株式会社 | Nest removal bag |
| CN206126629U (en) * | 2016-09-21 | 2017-04-26 | 苏州市张桥五金有限公司 | Step shaft assembly |
| CN206047485U (en) * | 2016-10-10 | 2017-03-29 | 中国矿业大学 | A kind of boiler smoke pipeline construction docking facilities |
| CN107346873A (en) * | 2017-09-15 | 2017-11-14 | 国网四川省电力公司眉山供电公司 | A kind of New insulated crossing frame |
| CN208089992U (en) * | 2018-01-04 | 2018-11-13 | 鹤山市新标卫浴实业有限公司 | A kind of shower faucets easy to repair |
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2019
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| CN110011216A (en) | 2019-07-12 |
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