Highway crossing strut for power grid construction
Technical Field
The utility model relates to the technical field of power grid construction, in particular to a highway crossing strut for power grid construction.
Background
The power network comprises three units of power transformation, power transmission and power distribution, the task of the power network is to transmit and distribute electric energy and change voltage, and when the power transmission line is constructed to cross a highway, a crossing frame is usually required to be erected above the highway.
The existing crossing strut is fixed in height, cannot be adjusted according to the conditions of a construction site, and is poor in practicability, so that the problem that the crossing strut for the power grid construction is needed to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a road crossing strut for power grid construction, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a highway stridees across strut for electric wire netting construction, includes the support frame, fixed establishment is installed at the top of support frame, adjustment mechanism is installed to the bottom of support frame, the weather shield is all installed to the both sides of support frame.
According to a preferable scheme of the utility model, the fixing mechanism comprises a fixing bolt, a pressing plate, a wire casing, a cushion pad, a baffle and screw holes, the fixing bolt is installed on two sides of the center of the top of the support frame, the pressing plate is installed on the outer wall of the fixing bolt, the wire casings are respectively arranged at the bottom of the pressing plate and the top of the support frame, the cushion pad is installed inside the wire casing, the baffle is installed on the outer wall of the fixing bolt and above and below the pressing plate, and the screw holes are respectively arranged at the top of the support frame and corresponding to the fixing bolt.
As a preferable scheme of the utility model, the adjusting mechanism comprises a support rod, an adjusting sleeve, a pushing spring, a rotating shaft, a winding shaft, a traction rope, a traction ring, a worm wheel, a worm, a hand wheel, an observation window and a scale, the support rod is installed at the bottom of the support frame, the outer wall of the support rod is provided with the adjusting sleeve, the bottom end of the support rod is provided with the pushing spring inside the adjusting sleeve, the rotating shaft is installed inside the adjusting sleeve and below the pushing spring, both ends of the rotating shaft are provided with the winding shaft, the outer wall of the winding shaft is provided with the traction rope, the bottom of the support frame is provided with the traction ring right above the traction rope, the worm wheel is installed in the center of the outer wall of the rotating shaft, the worm is installed inside the adjusting sleeve and below the worm wheel, one end of the worm, far away from the worm wheel, is provided with the hand wheel on the outer wall of the adjusting sleeve, adjusting sleeve's front and correspond position department at the bracing piece and install the observation window, adjusting sleeve's front and all install the scale in the both sides of observation window.
As the preferable scheme of the utility model, the supporting frame and the rain baffle are both made of aluminum alloy, and the supporting frame is designed to be a rectangular structure.
As a preferable scheme of the utility model, the wire grooves and the buffer cushions are respectively provided with a plurality of groups, the buffer cushion is made of silica gel, the shape of the compression plate is matched with that of the support frame, the compression plate is made of aluminum alloy, the fixing bolt is in rotary connection with the compression plate, the fixing bolt is in threaded connection with the screw hole, and the shape of the wire grooves is matched with that of the power transmission cable.
As a preferable scheme of the present invention, the connection mode of the support rod and the adjusting sleeve is sliding connection, the connection modes of the pushing spring and the adjusting sleeve and the connection modes of the traction ring and the traction rope are fixed connection, and the connection modes of the rotating shaft, the winding shaft and the worm and the adjusting sleeve are rotational connection.
According to the preferable scheme of the utility model, the supporting rod and the adjusting sleeve are both made of aluminum alloy, the traction rope is made of a steel wire rope, the length of the observation window is matched with that of the supporting rod, the bottom of the adjusting sleeve is provided with a foundation bolt, and the worm gear is connected with the worm rod in a meshing manner.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through arranging the support frame and the adjusting mechanism, workers use foundation bolts to install the adjusting sleeve on the ground, the hand wheel is rotated, the hand wheel drives the worm wheel to rotate through the worm, the worm wheel drives the winding shaft to rotate through the rotating shaft, the traction rope can be released by the rotating winding shaft, the traction rope can not pull the support frame any more, the pushing spring pushes the support frame to move upwards through the supporting rod, so that the height of the support frame is changed, the height of the support frame can be adjusted according to the requirements of a construction site, the practicability is higher, the problem that the existing crossing support frame is fixed in height and cannot be adjusted according to the conditions of the construction site is solved, and the practicability is relatively poor.
2. According to the utility model, by arranging the observation window and the graduated scales, when the height of the support frame is adjusted by a worker, the worker can look up the position of the support rod through the observation window, and can see the upward height of the support rod according to the graduated scales on the two sides of the observation window, so that the height of the support frame can be indirectly calculated.
3. According to the utility model, the rain shield is arranged, so that rainwater can be prevented from flowing into the wire slot by the rain shield, and the rainwater is prevented from accumulating in the wire slot to corrode the power cable.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the utility model at B in FIG. 2.
In the figure: 1. a support frame; 2. a fixing mechanism; 3. an adjustment mechanism; 4. a rain shield; 201. fixing the bolt; 202. a compression plate; 203. a wire slot; 204. a cushion pad; 205. a baffle plate; 206. a screw hole; 301. a support bar; 302. an adjustment sleeve; 303. a push spring; 304. a rotating shaft; 305. a winding shaft; 306. a hauling rope; 307. a traction ring; 308. a worm gear; 309. a worm; 310. a hand wheel; 311. an observation window; 312. a graduated scale.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides a highway stridees across strut for electric wire netting construction, includes support frame 1, and fixed establishment 2 is installed at the top of support frame 1, and adjustment mechanism 3 is installed to the bottom of support frame 1, and weather shield 4 is all installed to the both sides of support frame 1, and support frame 1 and weather shield 4 are made by the aluminum alloy, and support frame 1 is the design of rectangle structure.
In the embodiment, referring to fig. 1, 2 and 3, the fixing mechanism 2 includes a fixing bolt 201, a pressing plate 202, a wire slot 203, a cushion pad 204, a baffle 205 and a screw hole 206, the fixing bolt 201 is installed at two sides of the center of the top of the support frame 1, the pressing plate 202 is installed on the outer wall of the fixing bolt 201, the wire slot 203 is opened at the bottom of the pressing plate 202 and the top of the support frame 1, the cushion pad 204 is installed inside the wire slot 203, the baffle 205 is installed on the outer wall of the fixing bolt 201 and above and below the pressing plate 202, the screw hole 206 is opened at the top of the support frame 1 and at the corresponding position of the fixing bolt 201, the wire slot 203 and the cushion pad 204 are provided with multiple sets, the cushion pad 204 is made of silica gel, the shape of the pressing plate 202 is matched with the shape of the support frame 1, the pressing plate 202 is made of aluminum alloy, the fixing bolt 201 is rotatably connected with the pressing plate 202, the fixing bolt 201 is connected with the screw hole 206 by a thread, the shape of the wire groove 203 is matched with the shape of the power transmission cable;
the workman uses rag bolt to install adjusting sleeve 302 subaerial, unscrews fixing bolt 201, and fixing bolt 201 breaks away from support frame 1, takes off pressure strip 202, and the workman puts into the cable run in wire casing 203 at support frame 1 top, covers pressure strip 202 on support frame 1 again, rotates fixing bolt 201, and in fixing bolt 201 screw in screw 206, pressure strip 202 pushed down the cable run at support frame 1 top.
In the embodiment, referring to fig. 1, 2 and 4, the adjusting mechanism 3 includes a support rod 301, an adjusting sleeve 302, a pushing spring 303, a rotating shaft 304, a winding shaft 305, a pulling rope 306, a pulling ring 307, a worm wheel 308, a worm 309, a hand wheel 310, a viewing window 311 and a scale 312, the support rod 301 is installed at the bottom of the support frame 1, the adjusting sleeve 302 is installed on the outer wall of the support rod 301, the pushing spring 303 is installed at the bottom end of the support rod 301 and inside the adjusting sleeve 302, the rotating shaft 304 is installed inside the adjusting sleeve 302 and below the pushing spring 303, the winding shaft 305 is installed at both ends of the rotating shaft 304, the pulling rope 306 is installed on the outer wall of the winding shaft 305, the pulling ring 307 is installed at the bottom of the support frame 1 and directly above the pulling rope 306, the worm wheel 308 is installed at the center of the outer wall of the rotating shaft 304, the worm 309 is installed inside the adjusting sleeve 302 and below the worm wheel 308, a hand wheel 310 is arranged at one end, far away from the worm wheel 308, of the worm 309 and on the outer wall of the adjusting sleeve 302, an observation window 311 is arranged on the front face of the adjusting sleeve 302 and at a position corresponding to the support rod 301, graduated scales 312 are arranged on the front face of the adjusting sleeve 302 and on two sides of the observation window 311, the support rod 301 and the adjusting sleeve 302 are connected in a sliding mode, the pushing spring 303, the adjusting sleeve 302, the traction ring 307 and the traction rope 306 are fixedly connected, the rotating shaft 304, the winding shaft 305, the worm 309 and the adjusting sleeve 302 are connected in a rotating mode, the support rod 301 and the adjusting sleeve 302 are both made of aluminum alloy, the traction rope 306 is made of a steel wire rope, the length of the observation window 311 is matched with that of the support rod 301, a foundation bolt is arranged at the bottom of the adjusting sleeve 302, and the worm wheel 308 and the worm 309 are connected in a meshing mode;
the workman rotates hand wheel 310, rotate hand wheel 310, hand wheel 310 drives worm wheel 308 through worm 309 and rotates, worm wheel 308 drives rolling axle 305 through pivot 304 and rotates, pivoted rolling axle 305 can release haulage rope 306, haulage rope 306 no longer holds support frame 1, it promotes support frame 1 rebound through bracing piece 301 to promote spring 303, thereby change the height of support frame 1, support frame 1 cable run ascends to the assigned height on earth, support frame 1's height can be adjusted according to job site's requirement, the practicality is higher.
The working process of the utility model is as follows: a worker installs the adjusting sleeve 302 on the ground by using an anchor bolt, screws out the fixing bolt 201, separates the fixing bolt 201 from the support frame 1, takes down the pressing plate 202, puts a cable line into the wire groove 203 at the top of the support frame 1, covers the pressing plate 202 on the support frame 1, rotates the fixing bolt 201, screws the fixing bolt 201 into the screw hole 206, and presses the cable line at the top of the support frame 1 by the pressing plate 202;
the workman rotates hand wheel 310, rotate hand wheel 310, hand wheel 310 drives worm wheel 308 through worm 309 and rotates, worm wheel 308 drives rolling axle 305 through pivot 304 and rotates, pivoted rolling axle 305 can release haulage rope 306, haulage rope 306 no longer holds support frame 1, it promotes support frame 1 rebound through bracing piece 301 to promote spring 303, thereby change the height of support frame 1, support frame 1 cable run ascends to the assigned height on earth, support frame 1's height can be adjusted according to job site's requirement, the practicality is higher.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.