A transport tool for withstand voltage test instrument of superhigh pressure electrical equipment
Technical Field
The utility model relates to a transport tool, concretely relates to transport tool that is used for withstand voltage test instrument of superhigh pressure electrical equipment.
Background
The ultrahigh voltage electrical equipment is common electronic equipment in a power system, and in order to ensure the safety and reliability of the power system in the operation process, a series of maintenance and tests are required, including alternating current withstand voltage tests of the electrical equipment of 220kV or more and mutual inductor error tests. When the test is carried out, because the electrical equipment and the test instrument are not usually in the same area, the test instrument device needs to be transported to the vicinity of the equipment, the volume and weight of the test instrument are considered, the stability of the test instrument in the transportation process is ensured, and the precision of the test instrument is prevented from being influenced, so that the test instrument needs to be transported by using a transporting tool.
The existing conveying tool only has the functions of loading and transferring, but a test instrument has certain weight, is inconvenient to assemble, disassemble and debug after being carried to a working site, and often needs to normally carry out test work by means of an additional hoisting machine, but part of the working site is limited by space, so that a large hoisting machine is difficult to install or use, the development of the test work is influenced, the use is limited, and the working requirement cannot be met; on the other hand, when the existing transport tool is used for transporting an instrument device, the existing transport tool is difficult to advance on uneven ground, particularly a slope or a transfer line with a step, the existing transport tool has a risk of toppling over when crossing over the step or the slope, workers are injured, and great potential safety hazards exist, so that the transport tool special for the pressure resistance test instrument needs to be developed to solve the defects of the existing transport tool.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect that the prior transport tool has the service function that is difficult to work under comparatively limitation and the special topography, the utility model provides a transport tool for super high voltage electrical equipment withstand voltage test instrument that service function is complete and be suitable for special topography.
In order to solve the above problem, the utility model discloses realize according to following technical scheme:
a transport means for superhigh pressure electrical equipment withstand voltage test instrument, including carrying thing car and hoist and mount subassembly, the hoist and mount subassembly includes two upper bracket frames, two lower carriage frames and lifts by crane the ware, and two lower carriage frames are the symmetry form setting, through connecting rod fixed connection between two lower carriage frames that the symmetry set up, the leveler is installed to the bottom symmetry of lower carriage frame, the lower extreme cartridge of upper bracket frame is in the top port of lower carriage frame, and upper bracket frame passes through locking bolt with the lower carriage frame and realizes fixing, lifts by crane ware slidable mounting on the upper bracket frame.
Optionally, the upper support frame includes an upper cross beam and two upper support cylinders, and the two upper support cylinders are symmetrically and fixedly mounted at the left end and the right end of the upper cross beam.
Optionally, the upper cross beam is a section steel with an i-shaped cross section.
Optionally, the upper supporting cylinder is in a rectangular cylinder shape, more than three inner inserting holes are arranged on the upper supporting cylinder at intervals along the height direction, and a reinforcing rib plate is fixedly arranged at the joint of the upper supporting cylinder and the upper supporting cylinder through bolts.
Optionally, the lower support frame includes a lower cross beam, a lower support cylinder and two reinforcing rods, the lower end of the lower support cylinder is fixedly mounted on the lower cross beam, the two reinforcing rods are symmetrically arranged on two sides of the lower support cylinder, the top of each reinforcing rod is fixedly connected with the top of the lower support cylinder, the bottom of each reinforcing rod is fixedly connected with the lower cross beam, and the bottom of the lower cross beam is symmetrically and fixedly provided with the upper universal rollers.
Optionally, both ends of the lower cross beam are respectively provided with an adjusting hole, and the adjusting holes are threaded holes.
Optionally, the lower support cylinder is provided with more than three outer plug holes at intervals along the height direction.
Optionally, the leveler includes a base, an adjusting screw, and an operating rod, the bottom end of the adjusting screw is movably mounted on the base, and the operating rod is inserted into the top end of the adjusting screw.
Optionally, the hoist includes a pulley and a chain block, and the chain block is hung on the lower portion of the pulley.
Optionally, the carrier vehicle comprises a bottom plate, two side bars and a cross bar, the two side bars are symmetrically and fixedly mounted on one side of the bottom plate, the cross bar is fixedly inserted into the top ends of the side bars, and four lower universal rollers are fixedly mounted at the bottom of the bottom plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the conveying tool for the withstand voltage test instrument of the ultrahigh voltage electrical equipment has the advantages of complete use function and suitability for special terrains, and the lifting tool is matched with the carrying vehicle for use, so that the conveying function is met, the test instrument is also supported to be lifted, and the test work is convenient; through set up hoist and mount subassembly in special topography department, can hoist test instrument and stride across special topography safely, avoid appearing dangerously because the bare-handed transfer of manpower, and hoist and mount subassembly can adjust as required, ensure the steady removal of test instrument, when not using, hoist and mount subassembly still can dismantle fast, be convenient for remove along with carrying the thing car, the problem that the service function that has solved current transport means exists is comparatively limited to and is difficult to work under the special topography has satisfied electric power system's use needs.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic front view of the present embodiment;
FIG. 2 is a left side view of the hoist assembly of the present embodiment;
FIG. 3 is a front view of the hoist assembly of the present embodiment;
FIG. 4 is a schematic front view of the lower supporting frame of the present embodiment;
FIG. 5 is a schematic front view of the upper supporting frame of the present embodiment;
fig. 6 is a front view structural schematic diagram of the leveler in the present embodiment;
fig. 7 is a schematic front view of the chain block in this embodiment;
FIG. 8 is a schematic front view of the cart for loading articles in this embodiment;
FIG. 9 is a schematic top view of the cart in this embodiment;
in the figure: 1. the loading trolley comprises a loading trolley body, 101, a bottom plate, 102, lower universal rollers, 103, side rods, 104, a cross rod, 2, a hoisting assembly, 201, an upper support frame, 211, an upper cross beam, 221, an upper support cylinder, 231, an inner insertion hole, 241, a reinforcing rib plate, 202, a lower support frame, 212, a lower cross beam, 222, an upper universal roller, 232, a lower support cylinder, 242, a reinforcing rod, 252, an adjusting hole, 262, an outer insertion hole, 203, a leveler, 213, a base, 223, an adjusting screw rod, 233, an operating rod, 204, a connecting rod, 205, a hoisting device, 215, a pulley, 225, a chain block, 206 and a locking bolt.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in figures 1-9, a transport means for withstand voltage test instrument of superhigh pressure electrical equipment, including carrying thing car 1 and hoist and mount subassembly 2, the below of hoist and mount subassembly 2 is provided with carries thing car 1.
As shown in fig. 1 to 3, in this embodiment, the hoisting assembly 2 includes two upper support frames 201, two lower support frames 202, and a hoisting device 205, the two lower support frames 202 are symmetrically disposed, the symmetrically disposed lower support frames 202 are fixedly connected through a connecting rod 204, and the connecting rod 204 is used to enhance the stability of the lower support frames 202, so as to prevent the lower support frames 202 from toppling over during the operation.
As shown in fig. 2 to 4, in the present embodiment, the lower supporting frame 202 includes a lower beam 212, a lower supporting cylinder 232 and two reinforcing rods 242, as a preferred embodiment of the present invention, the lower beam 212 is cylindrical, and two ends of the lower beam 212 are respectively provided with an adjusting hole 252. The adjustment holes 252 are threaded holes. The bottom of the lower cross beam 212 is symmetrically and fixedly provided with upper universal rollers 222, and the upper universal rollers 222 are used for enhancing the moving capability of the lower cross beam 212 so as to adjust the position of the lower cross beam 212 according to the terrain requirement. The lower extreme of lower support cylinder 232 is adorned admittedly on bottom end rail 212, as the utility model relates to an embodiment of preferred, lower support cylinder 232 is the rectangle tube-shape, and the last edge direction of height interval of following of lower support cylinder 232 is provided with three above outer plug hole 262. The two reinforcing rods 242 are symmetrically and fixedly arranged on two sides of the lower support cylinder 232, the top of the reinforcing rod 242 is connected with the top of the lower support cylinder 232, the bottom of the reinforcing rod 242 is fixedly connected with the lower cross beam 212, and the two reinforcing rods 242 and the lower cross beam 212 form a triangular structure for enhancing the stability of the lower support cylinder 232 and preventing the lower support cylinder 232 from shifting in the working process.
As shown in fig. 3 and 6, in this embodiment, the leveling devices 203 are symmetrically installed at the bottom of the lower supporting frame 202, each leveling device 203 includes a base 213, an adjusting screw 223 and an operating rod 233, the base 213 is used for directly contacting the ground to provide support, the bottom end of the adjusting screw 223 is movably installed on the base 213, the adjusting screw 223 is in threaded connection with the adjusting hole 252, the operating rod 233 is inserted into the top end of the adjusting screw 223, spherical protrusions for limiting are provided at two ends of the operating rod 233 to prevent the operating rod 233 from being separated from the adjusting screw 223, the operating rod 233 is used for being conveniently held by a worker, and when the operating rod 233 is held to rotate, the adjusting screw 223 is driven to synchronously rotate, and the lower supporting frame 202 is driven to move up and down along the adjusting screw 223.
As shown in fig. 3, 4 and 5, in the present embodiment, the lower end of the upper support frame 201 is inserted into the top port of the lower support frame 202. The upper supporting frame 201 comprises an upper cross beam 211 and two upper supporting cylinders 221, and serves as the preferred embodiment of the present invention, the upper cross beam 211 is a section steel with an i-shaped cross section, so as to increase the strength of the upper cross beam 211 and facilitate installation of movable parts. The top ends of the two upper supporting cylinders 221 are fixedly connected with the left end and the right end of the upper cross beam 211 through bolts. Specifically, the upper support cylinder 221 is in a rectangular cylinder shape, which has the advantages that the upper support cylinder 221 can be inserted into the lower support cylinder 232, and the rectangular structure limits the rotation of the upper support cylinder 221, so that the upper support cylinder 221 can only move along the axial direction of the lower support cylinder 232, and in order to ensure that the assembly work of the upper support cylinder 221 and the lower support cylinder 232 is not hindered, the outer diameter of the upper support cylinder 221 is smaller than the inner diameter of the lower support cylinder 232. In a preferred embodiment of the present invention, the upper supporting cylinder 221 has three or more inner insertion holes 231 spaced apart from each other in the height direction. The reinforcing rib plate 241 is fixedly arranged at the joint of the upper supporting cylinder 221 and the upper cross beam 211 through bolts, specifically, the reinforcing rib plate 241 is triangular, and the reinforcing rib plate 241 is used for increasing the connecting strength of the upper supporting cylinder 221 and the upper cross beam 211 and preventing the upper supporting cylinder 221 from deflecting in the working process.
As shown in fig. 2 to 4, in the present embodiment, the upper support frame 201 and the lower support frame 202 are fixed by the locking bolt 206, and specifically, when the inner insertion hole 231 of the upper support cylinder 221 is aligned with the outer insertion hole 262 of the upper support cylinder 221, the outer insertion hole 262 and the inner insertion hole 231 are inserted into the locking bolt 206, so that the upper support frame 201 and the lower support frame 202 are fixed. The upper support frame 201 is provided with a lifting device 205 in a sliding manner, specifically, the lifting device 205 comprises a pulley 215 and a chain block 225, the pulley 215 is mounted on the upper cross beam 211 in a sliding manner, the chain block 225 is hung on the lower part of the pulley 215, and the chain block 225 is used for facilitating the lifting work.
As shown in fig. 8 and 9, in this embodiment, the carrier vehicle 1 includes a bottom plate 101, two side bars 103 and a cross bar 104, the bottom plate 101 is a rectangular body, four lower universal rollers 102 are fixedly mounted on the bottom of the bottom plate 101 in a four-corner symmetric manner, the lower universal rollers 102 are used for enhancing the mobility of the carrier vehicle 1 so as to transport a loaded test instrument to a specified position, the two side bars 103 are symmetrically and fixedly mounted on one side of the bottom plate 101, and the side bars 103 are in a zigzag shape, which is advantageous in that the zigzag-shaped side bars 103 can avoid interference with the loaded test instrument. The cross rod 104 is fixedly inserted at the top ends of the two side rods 103, and the cross rod 104 is used for facilitating the pushing or pulling of the object carrying vehicle 1 by a worker.
A theory of operation that is used for transport instrument of withstand voltage test instrument of superhigh pressure electrical equipment be:
the test instrument and the hoisting assembly 2 are loaded on the loading vehicle 1, the test instrument and the hoisting assembly 2 are fixed to enable the test instrument and the hoisting assembly 2 not to displace, and then the worker pushes or pulls the loading vehicle 1 to drive the test instrument to move to a working place.
When having the special topography of slope or step on the stroke route, take off hoist and mount subassembly 2 and build, specifically do: the lower support frames 202 are respectively arranged at two ends of a special terrain, then the positions of the lower support frames 202 are adjusted through the upper universal rollers 222, the lower support frames 202 are oppositely arranged, the connecting rods 204 are installed for fixing, the levelers 203 are adjusted to enable the upper universal rollers 222 to be lifted off, the upper universal rollers 222 are prevented from being damaged by pressure in subsequent work, then the lifting devices 205 are installed on the upper support frames 201, the upper support frames 201 are inserted into the lower support frames 202, the upper support frames 201 are adjusted to be in a horizontal position, and the locking bolts 206 penetrate through the outer insertion holes 262 and the inner insertion holes 231, so that the upper support frames 201 and the lower support frames 202 can be fixed.
After the installation work of the hoisting assembly 2 is completed, the carrying vehicle 1 is moved to the position below the hoisting assembly 2, the fixing of the test instrument is released, the test instrument is hung on the hoisting device 205, a worker operates the chain block 225 to lift the test instrument, then the pulley 215 of the hoisting device 205 is pushed, the test instrument can safely pass through a special terrain, then the chain block 225 is operated again to lower the test instrument, the test instrument is taken down and fixed on the carrying vehicle 1, then the hoisting assembly 2 is dismantled, and the test instrument is continuously driven to move to a working place.
The conveying tool has the advantages of complete use functions and suitability for special terrains, and the lifting device 205 is matched with the carrying vehicle 1 for use, so that the conveying function is met, and meanwhile, a test instrument is supported to be lifted, and the test work is facilitated; through set up hoist and mount subassembly 2 in special topography department, can hoist test instrument and stride across special topography safely, avoid appearing dangerously because the bare-handed transfer of manpower, and hoist and mount subassembly 2 can adjust as required, ensure the steady removal of test instrument, when not using, hoist and mount subassembly 2 still can dismantle fast, be convenient for along with carrying thing car 1 and remove, the problem that the service function that has solved current transport means exists is comparatively limited to and is difficult to work under the special topography has satisfied electric power system's use needs.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.