CN107221879A - Supply line's inspection platform - Google Patents

Abstract

Supply line's inspection platform, including horizontally disposed and rectangular bottom plate, bottom base plate is provided with universal travel wheel, square tube is vertically provided with the middle part of bottom plate, the first diagonal brace gusset is provided between square tube bottom and plate upper surface, square tube left and right sides portion vertically offers one of pilot hole respectively, sliding frame is coated with outside square tube, provided with two along the left support roller bearing of square tube left surface scroll-up/down on the left of sliding frame, provided with two along the right support roller bearing of square tube right flank scroll-up/down on the right side of sliding frame, the guide plate of the pilot hole on left side and right side is provided through inside sliding frame；On the left of sliding frame a folding support frame has been respectively fixedly connected with right side, the construction of two folding support frames is identical and is symmetrical set, the hydraulic station on rear side of square tube is provided with bottom plate, hydraulic station is connected with two hydraulic climbing mechanisms, and each hydraulic climbing mechanism correspondence is connected with a folding support frame bottom.The present invention is simple in construction, easily operated, safe and reliable, lift it is convenient and swift and foldable after reduce parking space, the area of construction or upkeep operation is improved after expansion, construction or overhaul efficiency is substantially increased, and can be repeated several times and use.

Description

Power supply line maintenance platform

technical field

The invention belongs to the technical field of electric power construction or maintenance, and in particular relates to a power supply line maintenance platform.

Background technique

In recent years, the grid power supply lines have covered the areas where people live and work, so that people's demand for electricity can be met. However, although the power system works stably, there will also be faults. Once a fault occurs, it needs to be checked in time. Causes of failure and maintenance. In power maintenance, the frequency of climbing operations is extremely high, which requires the use of lifting equipment. The currently used lifting platforms generally require a crane to be hoisted on the top with ropes for auxiliary and stable operations. The operating area is small, and the space for maintenance workers to move is small, which cannot meet the needs of maintenance.

Contents of the invention

In order to solve the deficiencies in the prior art, the present invention provides a power supply line maintenance platform with strong stability, high reliability, foldability and large working area.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical scheme: the power supply line maintenance platform includes a horizontally arranged and rectangular bottom plate, universal traveling wheels are provided at the bottom of the bottom plate, a square tube is vertically arranged in the middle of the bottom plate, and the bottom of the square tube is connected to the bottom plate. There is a first diagonal bracing rib plate between the surfaces, a guide hole is respectively opened on the left and right sides of the square tube along the vertical direction, and a sliding frame is sheathed on the outside of the square tube. The left support roller rolls up and down on the side, and the right side of the sliding frame is equipped with two right support rollers that roll up and down along the right side of the square tube, and the inside of the sliding frame is provided with guides passing through the guide holes on the left and right sides. plate; the left side and the right side of the sliding frame are respectively fixedly connected with a folding support frame, and the two folding support frames have the same structure and are arranged symmetrically. Hydraulic jacking mechanisms, each hydraulic jacking mechanism is correspondingly connected with the bottom of a folding support frame.

The folding support frame on the left side includes a fixed plate and a movable plate arranged horizontally. The right edge of the fixed plate is fixedly connected with the left side of the sliding frame. Rib plate, the left edge of the fixed plate and the right edge of the movable plate are connected by hinges, the upper surfaces of the fixed plate and the movable plate are provided with anti-slip reinforcing ribs along the left and right horizontal directions, and the front and rear of the left side of the lower surface of the fixed plate are Each part is provided with a diagonal brace for supporting the movable plate.

The diagonal bracing frame includes a horizontal support plate and a vertical rod. The right side of the horizontal support plate is horizontally connected to the left side of the fixed plate through the positioning shaft. The lower end of the positioning shaft is provided with a support block for defining the horizontal support plate. The lower surface of the side is fixedly connected. There is a diagonal brace between the lower end of the vertical rod and the lower surface on the left side of the horizontal support plate. The movable plate and the horizontal support plate are connected by a bolt arranged along the vertical direction, and the upper end of the bolt sinks into the movable plate. .

The hydraulic drive mechanism includes a lower hydraulic cylinder parallel to the square pipe in the middle of the bottom plate, two lower hydraulic cylinders, a third diagonal brace rib plate between the lower part of the two lower hydraulic cylinders and the upper surface of the bottom plate, and two lower hydraulic cylinders. The upper end of the cylinder is hinged with a horizontally arranged lower support plate, and an upper hydraulic cylinder is vertically arranged on the lower support plate. The upper support plate is arranged horizontally, the upper surface of the upper support plate is in pressure contact with the lower surface of the fixed plate, and the hydraulic station is respectively connected with two lower hydraulic cylinders and one upper hydraulic cylinder through high-pressure oil pipes.

At least four supporting oil cylinders are arranged on the lower surface of the bottom plate, and the lower end of the piston rod of each supporting oil cylinder is connected with a supporting plate through a ball hinge.

The left side and the right side of the bottom plate are respectively provided with a ladder frame for climbing the fixed flat plate.

The upper end of the square tube is provided with a blocking plate, the blocking plate is provided with an illuminating lamp, the inside of the square tube is threaded from top to bottom to be connected with the illuminating lamp, and both sides of the upper part of the square tube are fixedly provided with suspension rings.

Adopting the above-mentioned technical scheme, the working process of the present invention is as follows: after the present invention is pushed to the maintenance site, the hydraulic station is controlled to extend the piston rod of the supporting oil cylinder downward, so that the support plate is in contact with the ground, and the universal traveling wheel leaves the ground to use The support cylinder remains stable, the maintenance personnel go from the ladder frame to the fixed plate, the construction personnel on the ground manipulate the hydraulic station to extend the lower hydraulic cylinder and/or the upper hydraulic cylinder, and the upper support plate at the upper end of the upper hydraulic cylinder presses the fixed plate upwards , the fixed plate drives the left support roller and the right support roller to roll upwards along the surface of the square tube through the sliding frame. When the maintenance personnel can operate smoothly after rising to a suitable height, keep the lower hydraulic cylinder and/or the upper hydraulic cylinder stable. Can.

The square tube plays the role of guiding the fixed plate to move up and down, and prevents the fixed plate from shaking around. When the movable plate is unfolded, the maintenance personnel stand on the movable plate, and it is difficult to maintain stability only by the force of the lower hydraulic cylinder and the upper hydraulic cylinder. stabilizing effect. The guide plate plays a role in strengthening the strength of the sliding frame.

The concrete effect of each part among the present invention is as follows:

The first diagonal bracing rib is used to strengthen the connection between the square tube and the bottom plate more firmly, so that the square tube maintains a good vertical state; the second diagonal bracing rib is used to fix the connection between the flat plate and the sliding frame more firmly and improve safety performance .

The anti-slip reinforcing rib plays an anti-skid function, and enhances the force strength of the fixed plate and the movable plate in the left and right directions. When in use, each movable plate is unfolded to a horizontal position and supported by two diagonal braces, and the diagonal braces are positioned by bolts. Expanding the movable plate can greatly increase the operating area; the movable plate can be turned over to the fixed plate when not in use, and the inclined The bracket is placed under the fixed plate, which saves space and is easy to carry.

The rear side of the square tube arranged at the hydraulic station is located in the middle part of the left and right direction of the base plate, which plays a role in strengthening the weight of the base plate, so that the present invention can better maintain stability.

When the present invention needs long-distance transportation, a crane can be used to hang the suspension rings, and then it can be hoisted onto the transport vehicle for transportation. The lifting ring also functions as a hitch for the kit. The hydraulic drive mechanism adopts the method of connecting the lower hydraulic cylinder and the upper hydraulic cylinder in series, which can fully increase the lifting height. Since the upper end of the lower hydraulic cylinder is hinged with the lower support plate, and the upper end of the upper hydraulic cylinder is hinged with the upper support plate, it will shake during the jacking process. The square pipe has good stability here, and it also serves as a tool for the maintenance personnel during the maintenance process. Hand-held support plays a good role in safety.

To sum up, the present invention is simple in structure, easy to operate, safe and reliable, convenient and quick to lift, can be folded to reduce storage space, and can increase the area of construction or maintenance work after unfolding, greatly improving the efficiency of construction or maintenance, and can be repeated use many times.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

detailed description

As shown in Figure 1, the power supply line maintenance platform of the present invention includes a horizontally arranged and rectangular bottom plate 1, the bottom of the bottom plate 1 is provided with universal traveling wheels 2, the middle part of the bottom plate 1 is vertically provided with a square tube 3, and the bottom of the square tube 3 is connected to the bottom of the bottom plate. Between the upper surface of the bottom plate 1, there is a first diagonal bracing rib plate 4, the left and right sides of the square tube 3 are respectively provided with a guide hole 5 along the vertical direction, the square tube 3 is sheathed with a sliding frame 6, and the left side of the sliding frame 6 There are two left supporting rollers 7 that roll up and down along the left side of the square tube 3, and the right side of the sliding frame 6 is provided with two right supporting rollers 8 that roll up and down along the right side of the square tube 3, and the sliding frame 6 The inside is provided with a guide plate 9 passing through the guide holes 5 on the left and right sides; the left side and the right side of the sliding frame 6 are respectively fixedly connected with a folding support frame, and the two folding support frames have the same structure and are symmetrically arranged left and right. 1 is provided with a hydraulic station 10 located on the rear side of the square pipe 3. The hydraulic station 10 is connected to two hydraulic jacking mechanisms, and each hydraulic jacking mechanism is correspondingly connected to the bottom of a folding support frame.

The folding support frame on the left side comprises the fixed plate 11 and movable plate 12 that are evenly arranged, the right edge of the fixed plate 11 is fixedly connected with the left side of the sliding frame 6, and the upper surface and the lower surface of the fixed plate 11 are connected with the left side of the sliding frame 6 respectively. A second diagonal bracing rib 13 is arranged between them, and a hinge 33 is passed between the left edge of the fixed plate 11 and the right edge of the movable plate 12.

Connection, the upper surface of the fixed plate 11 and the movable plate 12 are provided with anti-slip reinforcing ribs 14 along the left and right horizontal directions, and the front and rear parts on the left side of the lower surface of the fixed plate 11 are respectively provided with a diagonal brace for supporting the movable plate 12 . In addition, in order to enhance the linkage and stability of the folding support frame on the left side and the folding support frame on the right side, a piece of fixing plate 11 on the left side and a fixing plate 11 on the right side can be respectively arranged on the front side and the rear side of the square tube 3. The flat plate 11 is connected as an integrated connecting plate (not shown in the figure), in this case, the guide plate 9 can be removed, and the guide hole 5 is no longer offered on the square tube 3, so that the strength of the square tube 3 can be improved.

The diagonal bracing frame includes a horizontal support plate 15 and a vertical rod 16, the right side of the horizontal support plate 15 is horizontally connected to the left side of the fixed plate 11 through a positioning shaft 17, and the lower end of the positioning shaft 17 is provided with a support block 18 for limiting the horizontal support plate 15, The upper end of the vertical rod 16 is fixedly connected with the lower surface on the right side of the horizontal support plate 15, and a diagonal strut 19 is arranged between the lower end of the vertical rod 16 and the lower surface of the left side of the horizontal support plate 15. The bolt 20 arranged in the vertical direction is connected, and the upper end of the bolt 20 sinks into the inside of the movable flat plate 12 .

The hydraulic drive mechanism includes a lower hydraulic cylinder 21 parallel to the square pipe 3 in the middle of the base plate 1, two lower hydraulic cylinders 21 are provided, and a third diagonal brace is provided between the lower part of the two lower hydraulic cylinders 21 and the upper surface of the base plate 1 Plate 22, the upper ends of two lower hydraulic cylinders 21 are hinged with a lower support plate 23 arranged horizontally, and an upper hydraulic cylinder 24 is vertically arranged on the lower support plate 23, and a The fourth diagonal bracing rib plate 25, the upper end of the upper hydraulic cylinder 24 is hinged with a horizontally arranged upper support plate 26, the upper surface of the upper support plate 26 is in contact with the lower surface of the fixed plate 11, and the hydraulic station 10 is respectively connected to the two through high-pressure oil pipes. A lower hydraulic cylinder 21 is connected with an upper hydraulic cylinder 24.

At least four supporting cylinders 27 are arranged on the lower surface of the bottom plate 1 , and the lower end of the piston rod of each supporting cylinder 27 is connected to a supporting plate 29 through a ball joint 28 . When the ground is uneven, the ball hinge 28 plays a role in preventing the supporting oil cylinder 27 from being damaged due to the stress generated in order to maintain the vertical state.

The left side and the right side of the bottom plate 1 are respectively provided with a ladder frame 30 for climbing on the fixed flat plate 11 .

The upper end of the square pipe 3 is provided with a blocking plate 31, and the blocking plate 31 is provided with a lighting lamp 34 for maintenance at night, and the square pipe 3 is connected with a wire 35 from top to bottom to connect with the lighting lamp 34. A suspension ring 32 is fixedly provided.

Adopting the above-mentioned technical scheme, the working process of the present invention is as follows: after the present invention is pushed to the maintenance site, the hydraulic station 10 is controlled to extend the piston rod of the support cylinder 27 downward, so that the support plate 29 is in contact with the ground, and the universal traveling wheel 2 Keep the support cylinder 27 stable after leaving the ground, the maintenance personnel go up from the ladder frame 30 to the fixed plate 11, and the construction personnel on the ground manipulate the hydraulic station 10 to extend the lower hydraulic cylinder 21 and/or the upper hydraulic cylinder 24, and the upper hydraulic cylinder The upper support plate 26 at the upper end of 24 presses the fixed plate 11 upwards, and the fixed plate 11 drives the left support roller 7 and the right support roller 8 to roll upwards along the surface of the square tube 3 through the sliding frame 6, and the maintenance personnel will be allowed to lift it up to a suitable height. When it can be operated smoothly, it is enough to keep the lower hydraulic cylinder 21 and/or the upper hydraulic cylinder 24 stable.

The square tube 3 plays the role of guiding the fixed plate 11 to move up and down, and prevents the fixed plate 11 from shaking around. When the movable plate 12 was unfolded, the maintenance personnel stood on the movable plate 12, and it was difficult to maintain stability only by the force of the lower hydraulic cylinder 21 and the upper hydraulic cylinder 24. At this time, the left support roller 7 or the right support roller 8 and the square pipe 3 The top pressure also plays a certain stabilizing effect. The guide plate 9 plays the role of strengthening the strength of the sliding frame 6 .

The concrete effect of each part among the present invention is as follows:

The first diagonal brace rib 4 is used to strengthen the connection between the square tube 3 and the bottom plate 1 more firmly, so that the square tube 3 maintains a good vertical state; the second diagonal brace rib 13 is used to fix between the flat plate 11 and the sliding frame 6 The connection is more reliable and the safety performance is improved.

The anti-slip reinforcing rib 14 plays an anti-slip function, and enhances the force strength of the fixed plate 11 and the movable plate 12 in the left and right directions. Each movable flat panel 12 is unfolded to a horizontal position when in use and is supported by two diagonal braces, and the diagonal braces are positioned by the latch 20. Expanding the movable flat panel 12 can greatly increase the operating area; the movable flat panel 12 can be turned over to the fixed flat panel 11 when not in use , and rotate the diagonal brace to the bottom of the fixed plate 11, which can save space and be easy to carry.

The rear side of the square pipe 3 provided by the hydraulic station 10 is located in the middle of the bottom plate 1 in the left and right direction, which plays a role in strengthening the weight of the bottom plate 1 and making the present invention better maintain stability.

When the present invention needs long-distance transportation, a crane can be used to hang the suspension ring 32, and it can be hoisted onto the transport vehicle for transportation. The suspension ring 32 can also serve as a hitch for the kit. The hydraulic drive mechanism adopts the mode in which the lower hydraulic cylinder 21 and the upper hydraulic cylinder 24 are connected in series, so that the lifting height can be fully improved. Since the upper end of the lower hydraulic cylinder 21 is hinged with the lower support plate 23, and the upper end of the upper hydraulic cylinder 24 is hinged with the upper support plate 26, it will shake during the jacking process. In the maintenance process, it is used as a hand-held support, which plays a good and safe role.

This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the present invention. All simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention belong to the protection of the technical solution of the present invention. scope.

Claims (7)

1. supply line's inspection platform, it is characterised in that：Including horizontally disposed and rectangular bottom plate, bottom base plate is provided with universal Square tube is vertically provided with the middle part of road wheel, bottom plate, the first diagonal brace gusset, square tube or so are provided between square tube bottom and plate upper surface Both sides are vertically offered respectively is coated with sliding frame outside one of pilot hole, square tube, two are provided with the left of sliding frame It is individual along square tube left surface scroll-up/down left support roller bearing, provided with two along rolling above and below square tube right flank on the right side of sliding frame The guide plate of the pilot hole on left side and right side is provided through inside dynamic right support roller bearing, sliding frame；On the left of sliding frame and Right side has been respectively fixedly connected with a folding support frame, and the construction of two folding support frames is identical and is symmetrical set, bottom plate On be provided with hydraulic station on rear side of square tube, hydraulic station is connected with two hydraulic climbing mechanisms, each hydraulic climbing mechanism pair Ying Yuyi folding support frame bottom connection.

2. supply line's inspection platform according to claim 1, it is characterised in that：The folding support frame in left side includes equal water The flat fixed flat planar and treadmill set, fixed flat planar right edge on the left of sliding frame with being fixedly connected, on fixed flat planar Surface and lower surface are provided with the second diagonal brace gusset, fixed flat planar left side edge and treadmill between sliding frame left side respectively It is connected through the hinge between right edge, fixed flat planar and treadmill upper surface are strengthened along left and right horizontal direction provided with anti-skidding Front and rear on the left of muscle, fixed flat planar lower surface is respectively equipped with an end wall bracket for being used to support treadmill.

3. supply line's inspection platform according to claim 2, it is characterised in that：End wall bracket includes horizontal supporting plate and vertical Horizontally rotated on the right side of bar, horizontal supporting plate by locating shaft and be connected on the left of fixed flat planar, locating shaft lower end, which is provided with, to be used to limit The support block of horizontal supporting plate, vertical rod upper end is fixedly connected with lower surface on the right side of horizontal supporting plate, vertical rod lower end and horizontal support Hound is provided with the left of plate between lower surface, is connected between treadmill and horizontal supporting plate by the latch being arranged in vertical Connect, latch upper end is sunk to inside treadmill.

4. supply line's inspection platform according to claim 2, it is characterised in that：Hydraulic drive mechanism is included in the middle part of bottom plate Provided with the lower hydraulic cylinder parallel with square tube, lower hydraulic cylinder is provided with two, set between two lower cylinder lowers and plate upper surface There is the 3rd diagonal brace gusset, two lower hydraulic cylinder upper ends are hinged with horizontally disposed lower carrier plate, lower carrier plate vertical provided with one Hydraulic cylinder, is provided with the 4th diagonal brace gusset, upper hydraulic cylinder upper end is hinged with level between upper cylinder lower and lower carrier plate upper surface The upper supporting plate of setting, top pressure is contacted between upper supporting plate upper surface and fixed flat planar lower surface, and hydraulic station is distinguished by high-pressure oil pipe It is connected with two lower hydraulic cylinders and a upper hydraulic cylinder.

5. supply line's inspection platform according to claim 1, it is characterised in that：Bottom plate lower surface is provided with least four Support cylinder, the piston-rod lower end of each support cylinder is connected with a supporting plate by spherical hinge.

6. supply line's inspection platform according to claim 1, it is characterised in that：It is respectively arranged with the left of bottom plate with right side One ladder stay for climbing up fixed flat planar.

7. supply line's inspection platform according to claim 1, it is characterised in that：Square tube upper end is provided with closure plate, closure plate It is provided with illuminating lamp, square tube and is equipped with wire from top to bottom and is connected with illuminating lamp, square tube top both sides is fixedly installed suspension ring.