CN209748062U - Net sealing crossing structure with two butted sides - Google Patents
Net sealing crossing structure with two butted sides Download PDFInfo
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- CN209748062U CN209748062U CN201920776871.0U CN201920776871U CN209748062U CN 209748062 U CN209748062 U CN 209748062U CN 201920776871 U CN201920776871 U CN 201920776871U CN 209748062 U CN209748062 U CN 209748062U
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Abstract
The utility model relates to a block crossing structure of both sides butt joint, including the support body and the block device of strideing across in being strideed across thing both sides, the support body includes base, mast and rotatory support, rotatory support is installed between mast and rotatory support, the block device is including installing in the balance arm of rotatory support one side, the balance rope of connecting balance arm and mast and installing in the butt joint arm of rotatory support opposite side, the end of butt joint arm is equipped with docking device, docking device includes drive division and connecting block, drive division drive connecting block moves forward to the butt joint department of both sides butt joint arm, and the separation motion of both sides butt joint arm is limited; and hook assemblies are distributed along a straight line below the butt joint arms, and the net sealing rods are hung on the hook assemblies. When butt joint is not completed, the butt joint arms on two sides of the spanned object are provided with the net sealing rod nets, half net sealing is realized, after butt joint is completed, full net sealing is directly realized, the spanned object does not need to be powered off in the period, and the safety and the high efficiency of electrified spanning construction of the power transmission line are improved.
Description
Technical Field
The utility model relates to a power line engineering field, more specifically relates to a block crossing structure of both sides butt joint.
Background
With the high-speed development of economy in China, the electricity load in China is increased day by day, enough power transmission lines need to be erected to meet the electricity demand, the erection space of the power transmission lines is limited, the phenomenon of cross spanning of the power transmission lines is more and more frequent, power failure construction causes great loss, and live spanning is mostly adopted in existing spanning construction. The live crossing construction of the transmission line refers to the stringing work of a newly-built transmission line by erecting an insulation protection facility under the condition of not influencing the live running of a crossed line. The crossing frame type crossing is a construction mode for live crossing of the power transmission line, and the method comprises the steps of firstly erecting crossing frames on two sides of a crossed line, then hanging a net sealing device on the crossing frames to form a mesh-shaped net sealing, and finally carrying out tension paying-off on a newly-built power transmission line lead. Compared with other live crossing modes, the crossing frame type crossing has the advantages of convenience in assembly, small occupied area and wide application range, and therefore, the crossing frame type crossing has important significance for research on the crossing frame.
patent application publication No. CN107394678A discloses a telescopic arm screen-sealing spanning frame, which realizes air docking of the spanning frame through a telescopic arm and a docking device. However, since the net blocking rod system is mounted on the telescopic arm and is in a contracted state before the completion of the butt joint, the power-off treatment of the object to be spanned below is required during the butt joint. Meanwhile, as the telescopic boom needs to stretch out and the butt joint device carries out butt joint for a plurality of actions, the operation time can be prolonged, and the power failure time is also prolonged.
SUMMERY OF THE UTILITY MODEL
the utility model discloses an overcome above-mentioned prior art the crossing structure is at the long problem of power off time in the butt joint, provides a block crossing structure, under the circumstances that does not have a power failure, once only is being realized quick complete block above the strideing across circuit.
In order to solve the technical problem, the utility model discloses a technical scheme is: a two-side-butted net sealing crossing frame comprises a frame body and a net sealing device, wherein the frame body crosses two sides of a crossed object, the frame body comprises a base, a mast and a rotating support, the rotating support is arranged between the mast and the base, the net sealing device comprises a balance arm arranged on one side of the rotating support, a balance rope connecting the balance arm and the mast and a butt joint arm arranged on the other side of the rotating support, the butt joint device is arranged at the tail end of the butt joint arm on one side of the crossed object, the butt joint device comprises a driving part and a connecting block, the driving part drives the connecting block to move forwards to the butt joint of the two-side butt joint arms and limits the separation movement of the two-side butt joint arms; and hook assemblies are linearly distributed below the butt joint arms, and the net sealing rods are hung on the hook assemblies.
After the frame body is built, the net sealing rod is arranged below the butt joint arm through the hook assembly to form a net-shaped net sealing rod net. The rotating support is rotated to enable the butt joint arms on the two sides of the spanned object to be opposite and to be kept horizontal. The butt joint arms do not need to move, and the connecting blocks on the butt joint arms move forwards to the butt joint positions of the butt joint arms on the two sides as long as the driving parts on the butt joint arms on one side are started, and the connecting blocks are in contact with the outer side faces of the butt joint arms on the two sides. After the butt joint is completed, the net sealing rod nets below the butt joint arms are assembled into a larger mesh-shaped net sealing rod net.
Preferably, the docking device further comprises a plurality of sliding rails installed on the docking arm, the sliding rails are arranged on the edges of the docking arm, and the connecting block is provided with a sliding groove and is installed on the sliding rails through the sliding groove. The slide rail sets up on the arris, with the firm in connection of connecting block. The connecting block moves on the sliding rail, the friction force is small, and the movement is smoother.
Preferably, the driving part is a motor mounted on the butt joint arm, at least two slide rails are arranged, one of the slide rails is a screw rod, and the motor is connected with the screw rod; the connecting block and the sliding groove connected with the screw rod are thread grooves. The motor drive lead screw rotates, and the lead screw drives the connecting block and moves forward, and lead screw transmission mode motion is steady, and through the assistance-localization real-time of slide rail, has avoided the connecting block to take place to rock when moving forward for the connecting block slides smoothly to the slide rail on the offside linking arm, accomplishes the butt joint.
Preferably, a bolt fixing device is arranged on the connecting block, the bolt fixing device comprises a bolt rod, bolts arranged on two sides of the bolt rod and a driving mechanism for driving the bolt rod to move up and down, and through holes for the bolts to pass through are formed in the connecting block and the butt joint arm. The through holes with the same distance are formed in the connecting block and the butt joint arms, after the butt joint of the connecting block is completed, the positions of the through holes are overlapped, and the bolt rod is driven by the driving mechanism to enable the bolt to penetrate through the through holes, so that the butt joint arms on the two sides are further fixed, and the loosening of the butt joint arms is further avoided.
Preferably, the driving mechanism is a magnetic device, and an electromagnetic control switch for controlling the magnetic device is arranged above the magnetic device; the transverse column at the upper part inside the magnetic device is an electromagnet, the two nonmetal vertical rods for supporting the electromagnet are arranged below the transverse column, and the middle of the magnetic device is of a hollow cuboid structure. The electromagnetic control switch controls the magnetic device to carry magnetic force or cancel the magnetic force by controlling whether the electromagnet is electrified or not, and further controls the up-and-down motion of the bolt rod.
Preferably, the hook component comprises a detachable hanging buckle and a circular ring, the circular ring is fixedly connected with the hanging buckle, and the screen sealing rod is placed in the circular ring. The hanging buckle can be detached, and the rack body can be conveniently recycled and stored after being used.
Preferably, the hanging buckle is hung at the joint of the cross rod and the vertical rod of the butt joint arm. The hanging buckle is prevented from moving on the butt joint arm, and the structure of the net sealing is prevented from being influenced.
Preferably, the tail end of the outer side of the circular ring is provided with a limiting block. The limiting block can prevent the screen sealing rod from falling off from the circular ring.
Preferably, the limiting block is a standard fastener, and a threaded hole for mounting the standard fastener is formed in the circular ring. The standard fastener is convenient to mount and dismount, the length of the screen sealing rod is slightly shorter than the longest distance between the circular rings at two sides, the screen sealing rod firstly extends into the circular ring at one side and props against the standard fastener, then the standard fastener is mounted on the circular ring at the other side, the mounting is simple and convenient, and the screen sealing rod cannot fall off.
Preferably, the frame body further comprises a pull rope and a width-adjustable rope which are connected with the mast and the butt joint arm. The cable provides the pulling force of bearing for the butt joint arm, stabilizes the position of butt joint arm. When the butt joint arms on the two sides of the amplitude modulation rope are in butt joint, the positions of the butt joint arms are adjusted in a small range, so that the butt joint arms on the two sides are kept horizontal and are positioned on the same horizontal line.
Preferably, the frame body further comprises a mast cross member disposed on the mast. The masts at two sides and the mast cross beam form a door-shaped structure, so that the upper structure of the frame body is safe and reliable.
Compared with the prior art, the beneficial effects are: the butt joint arms of the crossing frame are in butt joint through the pushing blocks arranged on the outer sides, so that the butt joint speed is increased, and the construction efficiency is improved; when butt joint is not completed, the butt joint arms on two sides of the spanned object are provided with the net sealing rod nets, half net sealing is realized, after butt joint is completed, full net sealing is directly realized, the spanned object does not need to be powered off in the period, and the safety and the high efficiency of electrified spanning construction of the power transmission line are improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
Fig. 2 is a left side view structure diagram of the present invention;
Fig. 3 is a schematic structural diagram of the connecting block of the present invention;
Fig. 4 is a schematic structural diagram of the docking arm of the present invention;
Fig. 5 is a schematic structural view of the docking arms connected by the connecting block according to the present invention;
Fig. 6 is a schematic structural view of the hook assembly of the present invention;
Fig. 7 is a schematic view of the installation structure of the ring and the screen rod of the present invention.
Wherein: 1. a base; 2. a mast; 201. a mast beam; 3. rotating the support; 4. a balance arm; 5. a balancing rope; 6. a docking arm; 601. a slide rail; 602. a motor; 603. a screw rod; 604. a through hole; 7. a cable; 8. an amplitude-modulated cord; 9. connecting blocks; 901. a chute; 902. a thread groove; 10. a hook assembly; 1001. hooking; 1002. a circular ring; 1003. a standard fastener; 11. a magnetic device; 1101. a latch rod; 1103. an electromagnetic control switch; 1101. a bolt; 12. and a screen sealing rod.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
Examples
as shown in fig. 1-2, a two-side butt-jointed net-sealing crossing frame comprises a frame body crossing two sides of a crossed object and a net-sealing device, wherein the frame body comprises a base 1, a mast 2 and a rotating support 3, the rotating support 3 is arranged between the mast 2 and the base 1, the net-sealing device comprises a balance arm 4 arranged on one side of the rotating support 3, a balance rope 5 connecting the balance arm 4 and the mast 2 and a butt-joint arm 6 arranged on the other side of the rotating support 3, and the butt-joint device is arranged at the tail end of the butt-joint arm 6 on one side of the crossed object. The lower part of the butt joint arm 6 is provided with a hook component 10 along a straight line, the hook component 10 is hung at the joint of a cross rod and a vertical rod of the butt joint arm 6, and the hook component 10 is hung with a screen sealing rod 12. The frame body is also provided with a guy cable 7 and an amplitude modulation rope 8 which are connected with the mast 2 and the butt joint arm 6, and a mast cross beam arranged on the mast 2. The masts at two sides and the mast cross beam form a door-shaped structure, so that the upper structure of the frame body is safe and reliable.
As shown in fig. 3-4, the docking device includes a driving part, a connecting block 9, and a slide rail installed on an edge of the docking arm 6.
the connecting block 9 is a hollow square, wherein the inner sides of three edges are provided with sliding grooves 901, and the inner part of one edge is provided with a thread groove 902. Be provided with bolt fixing device on connecting block 9, including actuating mechanism, actuating mechanism is magnetic means 11, install in the electromagnetic control switch 1103 of magnetic means 11 top and install the bolt pole 1101 in magnetic means 11, the inside top spreader of magnetic means 11 is the electro-magnet, the below is two nonmetal montants that support the electro-magnet, the hollow cuboid structure is in the middle of magnetic means 11, when the electro-magnet produced or when canceling magnetic force, can make bolt pole 1101 slide from top to bottom along magnetic means 11, bolt pole 1101 both sides are provided with bolt 1102. Two opposite through holes are respectively arranged on the upper part and the lower part of the connecting block 9
The driving part is a motor 602 and is mounted on the butt joint arm 6, three edges of the butt joint arm 6 are provided with slide rails 601, the other edge is provided with a screw rod 603 connected with the motor 602, and the screw rod 603 corresponds to a thread groove 902 of the connecting block 9.
As shown in fig. 5, the through hole of the connection block 9 corresponding to the butt joint of the double-side butt arm 6 is also provided with a through hole 604 of the same size, and when the connection block 9 is moved to the double-arm connection position in the middle, the through hole of the connection block 9 and the through hole 604 of the double-side butt arm 6 can be completely corresponding in the vertical direction.
after the docking arms 6 on both sides are docked horizontally, the motor 602 drives the screw 603 to rotate, so that the connecting block 9 moves forward to the docking arm 6 on the other side. After the connection block 9 is moved, the electromagnetic control switch 1103 can be remotely controlled to control the electromagnetic device to cancel the magnetic force, the latch rod 1101 slides downwards, and the latch 1102 passes through the through holes 604 on the connection block 9 and the docking arm 6, so that the docking arms on both sides are fixed. When the construction device needs to be withdrawn, the electromagnet can be controlled by a remote controller to generate magnetic force, so that the latch rod 1101 is sucked back to the initial position by the magnetic device 11.
As shown in fig. 6-7, the hook assembly comprises a detachable hanging buckle 1001 and a ring 1002, the ring 1002 is fixedly connected with the hanging buckle 1001, a limiting block is arranged at the tail end of the outer side of the ring 1002, the limiting block is a standard fastener 1003, a threaded hole for installing the standard fastener 1003 is formed in the ring 1002, and the net sealing rod is placed in the ring 1002 and is limited and fixed through the standard fastener 1003.
The working principle or working process of the embodiment is as follows: after the frame body is built, the net sealing rod 12 is arranged below the butt joint arm 6 through the hook assembly 10 to form a net-shaped net sealing rod net. The rotary support 3 is rotated so that the abutment arms 6 on both sides of the spanned object are opposed and kept horizontally still. The motor 602 is started, the connecting block 9 on the docking arm 6 moves forward to the docking position, and the connecting block 9 contacts with the outer side surfaces of the docking arms 6 on both sides. After the butt joint is completed, the net sealing rod nets below the butt joint arms 6 are assembled into a larger mesh-shaped net sealing rod net.
The utility model has the advantages that: the butt joint arms of the crossing frame are in butt joint through the pushing blocks arranged on the outer sides, so that the butt joint speed is increased, and the construction efficiency is improved; when butt joint is not completed, the butt joint arms on two sides of the spanned object are provided with the net sealing rod nets, half net sealing is realized, after butt joint is completed, full net sealing is directly realized, the spanned object does not need to be powered off in the period, and the safety and the high efficiency of electrified spanning construction of the power transmission line are improved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A two-side butt-joint net sealing crossing frame comprises a frame body crossing two sides of a crossed object and a net sealing device, wherein the frame body comprises a base (1), a mast (2) and a rotating support (3), the rotating support (3) is installed between the mast (2) and the base (1), the net sealing device comprises a balance arm (4) installed on one side of the rotating support (3), and a balance rope (5) connecting the balance arm (4) and the mast (2), and the net sealing device is characterized by further comprising a butt-joint arm (6) installed on the other side of the rotating support (3), a butt-joint device is installed at the tail end of the butt-joint arm (6) on one side of the crossed object and comprises a driving part and a connecting block (9), the driving part drives the connecting block (9) to move forwards to the butt-joint position of the butt-joint arms (6) on two sides, and limiting the separation movement of the two side docking arms (6); and hook assemblies are linearly distributed below the butt joint arm (6), and the net sealing rods are hung on the hook assemblies.
2. A screen-sealing crossing frame with two butted sides as claimed in claim 1, wherein a plurality of sliding rails (601) are arranged on the butting arm (6), the sliding rails (601) are arranged on the butting arm (6), and the connecting block (9) is provided with a sliding groove (901) and is mounted on the sliding rails (601) through the sliding groove.
3. A two-side-butted lapping crossing frame according to claim 2, wherein said driving part is a motor (602) mounted on said butt-joint arm (6), said slide rails (601) are at least two, one of said slide rails (601) is a screw rod (603), and said motor (602) is connected to said screw rod (603); and a sliding groove (901) formed by connecting the connecting block (9) and the screw rod (603) is a threaded groove (902).
4. a screen crossing frame with two butted sides as claimed in claim 2 or 3, wherein a bolt fixing device is arranged on the connecting block (9), the bolt fixing device comprises a bolt rod (1101), bolts (1102) arranged on two sides of the bolt rod (1101) and a driving mechanism for driving the bolt rod (1101) to move up and down, and the connecting block (9) and the butting arm (6) are provided with through holes (604) for the bolts (1102) to pass through.
5. A two-sided lapping span according to claim 4, wherein the driving mechanism is a magnetic device (11), and an electromagnetic control switch (1103) for controlling the magnetic device (11) is arranged above the magnetic device (11).
6. A screen-sealing crossing structure with two butted sides as claimed in claim 5, wherein the upper transverse column inside the magnetic device (11) is an electromagnet, the lower part is two vertical rods for supporting the electromagnet, and the middle of the magnetic device (11) is of a hollow cuboid structure.
7. A two-sided butt-jointed netting crossing frame according to claim 1, wherein the hook assembly comprises a detachable hanging buckle (1001) and a circular ring (1002), the circular ring (1002) is fixedly connected with the hanging buckle (1001), and the netting rod (12) is placed in the circular ring (1002).
8. A screen crossing frame with two butted sides as claimed in claim 7, wherein said hanging buckle (1001) is hung at the joint of the cross bar and the vertical bar of the butting arm (6).
9. A two-side-butt-joint net-sealing crossing frame according to claim 7, wherein a limiting block is arranged at the outer end of the circular ring (1002).
10. A two-side-butt-joint block spanning frame according to claim 9, wherein the limiting block is a standard fastener (1003), and a threaded hole for installing the standard fastener (1003) is formed in the circular ring (1002).
Priority Applications (1)
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CN201920776871.0U CN209748062U (en) | 2019-05-27 | 2019-05-27 | Net sealing crossing structure with two butted sides |
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CN201920776871.0U CN209748062U (en) | 2019-05-27 | 2019-05-27 | Net sealing crossing structure with two butted sides |
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CN209748062U true CN209748062U (en) | 2019-12-06 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110148907A (en) * | 2019-05-27 | 2019-08-20 | 广东电网有限责任公司 | A kind of block crossing frame of two sides docking |
CN111711117A (en) * | 2020-06-08 | 2020-09-25 | 青海送变电工程有限公司 | Special equipment is strideed across to reliability |
-
2019
- 2019-05-27 CN CN201920776871.0U patent/CN209748062U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110148907A (en) * | 2019-05-27 | 2019-08-20 | 广东电网有限责任公司 | A kind of block crossing frame of two sides docking |
CN111711117A (en) * | 2020-06-08 | 2020-09-25 | 青海送变电工程有限公司 | Special equipment is strideed across to reliability |
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