CN210239558U

CN210239558U - Ladder for power grid maintenance

Info

Publication number: CN210239558U
Application number: CN201920668256.8U
Authority: CN
Inventors: Di Wu; 吴迪; Yue Wei; 魏悦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-04-03
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a ladder is used in electric wire netting maintenance, its structure includes first spike, the second spike, the footboard, the rubber sleeve, the spacing rope, first axis of rotation, the connecting piece, backup pad and adjusting device, through set up adjusting device on the ladder top, the maintenance worker can sit and overhaul on adjusting device, and adjusting device can carry out the altitude mixture control, when needs carry out the altitude mixture control, only need rotate the rotation handle on the adjusting device, can adjust adjusting device's height, can adjust according to the height of overhauing the circuit when making the maintenance worker sit down, make things convenient for the maintenance of maintenance worker to the circuit, make the maintenance of maintenance worker lighter.

Description

Ladder for power grid maintenance

Technical Field

The utility model relates to a ladder technical field, concretely relates to ladder is used in electric wire netting maintenance.

Background

The electric wire netting overhauls and can take place often in the electric wire netting, can use the ladder when overhauing, the ladder is done the limit by two long thick poles, the middle horizontal pole that is fit for the climbing that crosses, be used for climbing, present ladder height fixed for electric wire netting maintenance, in electric wire netting overhauls, because the circuit line is when comparatively complicated, need overhaul for a long time, the maintainer is through sitting on the ladder, it is big to avoid standing for a long time to cause physical stamina consumption, but because ladder height fixed for electric wire netting maintenance, cause the high deviation to the maintenance circuit when making the maintainer sit down, can't overhaul, make the maintainer need stand to overhaul, it is big to cause physical stamina consumption.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, the ladder for electric wire netting maintenance is proposed at present, solved because the ladder height is fixed for the electric wire netting maintenance, make the maintenance worker cause the high deviation to the maintenance circuit when sitting down, can't overhaul, make the maintenance worker need stand and overhaul, cause the big problem of physical stamina consumption, it can adjust according to the height of overhauing the circuit to have reached the maintenance worker when sitting down, make things convenient for the maintenance worker to the circuit, make the maintenance of maintenance worker lighter beneficial effect.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a ladder for power grid maintenance, which comprises a first supporting leg, a second supporting leg, a pedal, a rubber sleeve, a limiting rope, a first rotating shaft, a connecting piece, a supporting plate and an adjusting device, wherein the first supporting leg and the second supporting leg are both internally bolted with the pedal, the bottom ends of the first supporting leg and the second supporting leg are both sleeved with the rubber sleeve, the left and right ends of the limiting rope are respectively bound with the first supporting leg and the second supporting leg, the top ends of the first supporting leg and the second supporting leg are rotationally connected with the connecting piece through the first rotating shaft, the top end of the connecting piece is welded with the supporting plate, the top end of the supporting plate is bolted with the adjusting device, the adjusting device is composed of a top plate, an outer frame, a gear commutator, a lead screw, a fixed block and a rotating handle, the bottom end of the top plate is bolted with the outer frame, the top end inside the outer frame is bolted with the gear commutator, the gear commutator bottom rotates with the lead screw to be connected, the lead screw bottom carries out threaded connection with the fixed block is inside, gear commutator rear end rotates with the rotation handle to be connected, bolted connection is carried out with the backup pad to the fixed block bottom, gear commutator comprises shell, first gear, second gear and shaft coupling, it runs through the shell and rotates with first gear centre of a circle department and is connected to rotate the handle front end, first gear bottom and second gear meshing, second gear bottom centre of a circle department is provided with a pin rod, and this pin rod rotates through shaft coupling and lead screw top centre of a circle and is connected.

Furthermore, the handle rotates and comprises second axis of rotation, connecting rod, bearing and handle, second axis of rotation rear end bottom welds with the connecting rod, the inside bottom of connecting rod welds with the bearing, the handle front end is pegged graft with the bearing centre of a circle, and the handle rotates through bearing and connecting rod and is connected.

Further, the top of the top plate is provided with a rubber pad, and the top end of the rubber pad is provided with anti-skid grains.

Furthermore, more than two pedals in the first arm brace and the second arm brace are arranged.

Furthermore, the left end and the right end of the outer side of the fixed block are attached to the left side and the right side of the inner part of the outer frame.

Further, the length of the outer frame is consistent with that of the silk rod.

Furthermore, a rubber sleeve is arranged on the outer side of the handle, and anti-skid grains are arranged on the outer side of the rubber sleeve.

Further, the first gear and the second gear are both bevel gears.

Furthermore, the lead screw and the fixed block are made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) for solving because the ladder height is fixed for the electric wire netting maintenance, cause the altitude deviation to overhauing the circuit when making the maintainer sit down, can't overhaul, make the maintainer need stand to overhaul, cause the big problem of physical stamina consumption, through set up adjusting device on the ladder top, the maintainer can sit and overhaul on adjusting device, and adjusting device can carry out altitude mixture control, when needs carry out altitude mixture control, only need rotate the rotation handle on the adjusting device, can highly adjust adjusting device, can adjust according to the height of overhauing the circuit when making the maintainer sit down, make things convenient for the maintainer to overhaul of circuit, make the maintenance of maintainer lighter.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a connection structure between the support plate and the first arm brace of the present invention;

FIG. 3 is a schematic structural view of the adjusting device of the present invention;

FIG. 4 is a side view of the gear commutator structure of the present invention;

fig. 5 is a schematic view of the structure of the rotating handle of the present invention.

In the figure: the device comprises a first supporting foot-1, a second supporting foot-2, a pedal-3, a rubber sleeve-4, a limiting rope-5, a first rotating shaft-6, a connecting piece-7, a supporting plate-8, an adjusting device-9, a top plate-91, an outer frame-92, a gear commutator-93, a screw rod-94, a fixing block-95, a rotating handle-96, a shell-931, a first gear-932, a second gear-933, a coupler-934, a second rotating shaft-961, a connecting rod-962, a bearing-963 and a handle-964.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3, 4 and 5, the present invention provides a ladder for power grid maintenance: comprises a first supporting leg 1, a second supporting leg 2, a pedal 3, a rubber sleeve 4, a limiting rope 5, a first rotating shaft 6, a connecting piece 7, a supporting plate 8 and an adjusting device 9, wherein the insides of the first supporting leg 1 and the second supporting leg 2 are both in bolted connection with the pedal 3, the bottom ends of the first supporting leg 1 and the second supporting leg 2 are both sleeved with the rubber sleeve 4, the left end and the right end of the limiting rope 5 are respectively bound with the first supporting leg 1 and the second supporting leg 2, the top ends of the first supporting leg 1 and the second supporting leg 2 are in rotating connection with the connecting piece 7 through the first rotating shaft 6, the top end of the connecting piece 7 is welded with the supporting plate 8, the top end of the supporting plate 8 is in bolted connection with the adjusting device 9, the adjusting device 9 consists of a top plate 91, an outer frame 92, a gear commutator 93, a lead screw 94, a fixing block 95 and a rotating handle 96, the bottom end of the top plate 91 is in bolted connection with the outer frame 92, the, the bottom of gear commutator 93 rotates with lead screw 94 to be connected, the inside threaded connection that carries out of lead screw 94 bottom and fixed block 95, gear commutator 93 rear end rotates with rotation handle 96 to be connected, fixed block 95 bottom carries out bolted connection with backup pad 8, gear commutator 93 is by shell 931, first gear 932, second gear 933 and shaft coupling 934 are constituteed, it runs through shell 931 and rotates with first gear 932 centre of a circle department and is connected to rotate the handle 96 front end, first gear 932 bottom and the meshing of second gear 933, second gear 933 bottom centre of a circle department is provided with a pin rod, and this pin rod rotates with the lead screw 94 top centre of a circle through shaft coupling 934 and is connected.

The rotating handle 96 is composed of a second rotating shaft 961, a connecting rod 962, a bearing 963 and a handle 964, the bottom of the rear end of the second rotating shaft 961 is welded to the connecting rod 962, the bottom of the inside of the connecting rod 962 is welded to the bearing 963, the front end of the handle 964 is inserted into the center of the bearing 963, and the handle 964 is rotatably connected to the connecting rod 962 through the bearing 963.

Wherein, roof 91 top is provided with the rubber pad, and the rubber pad top is provided with anti-skidding line, is favorable to increasing roof 91's compliance.

Wherein, the pedals 3 in the first arm brace 1 and the second arm brace 2 are respectively provided with more than two, which is beneficial to climbing.

The left end and the right end of the outer side of the fixed block 95 are attached to the left side and the right side of the inner part of the outer frame 92, so that the rotation of the fixed block 95 is limited, and the outer frame 92 is prevented from rotating along with the screw rod 94.

The length of the outer frame 92 is consistent with that of the screw rod 94, which is beneficial to limiting the rotation of the fixed block 95 by the outer frame 92 following the movement of the screw rod 94.

Wherein, the outer side of the grip 964 is provided with a rubber sleeve, and the outer side of the rubber sleeve is provided with anti-slip lines, which is beneficial to preventing the grip 964 from slipping and is convenient for the grip 964 to rotate.

The first gear 932 and the second gear 933 both adopt bevel gears, which is beneficial to the conversion of the rotation angle through the engagement of the first gear 932 and the second gear 933 by the bevel gears.

The lead screw 94 and the fixing block 95 are made of stainless steel, are high in hardness, not prone to damage and not prone to rust.

The first gear 932 and the second gear 933 described in this patent all adopt bevel gears, the bevel gears are used to transmit the motion and power between two intersecting axes, in general machinery, the intersection angle between two axes of the bevel gears is equal to 90 degrees but may not be equal to 90 degrees, similar to cylindrical gears, the bevel gears have reference cone, addendum cone, dedendum cone and base cone, the cone has big end and small end, the circle corresponding to the big end is called reference circle respectively, the radius is r, addendum circle, dedendum circle and base circle, the motion of a pair of bevel gears is equivalent to a pair of pitch cones to roll purely.

The working principle is as follows: when the maintenance ladder is used, the first supporting leg 1 and the second supporting leg 2 are firstly rotated through the first rotating shaft 6, the included angle between the first supporting leg 1 and the second supporting leg 2 is adjusted, the distance between the first supporting leg 1 and the second supporting leg 2 is limited through the limiting rope 5, then a user stands through the pedal 3 and can sit on the top plate 91 for maintenance work, because the height of the ladder for power grid maintenance is fixed, the height deviation of a maintenance circuit is caused when a maintenance worker sits down, the maintenance work cannot be carried out, through the arrangement of the adjusting device 9, under the condition that the height deviation of the maintenance circuit is caused when the maintenance worker sits down, the maintenance worker rotates through the handle 964 by taking the second rotating shaft 961 as the center of a circle, the second rotating shaft 961 drives the center of the first gear to rotate, the first gear 932 drives the second gear 933 to rotate, the pivot rod at the center of the bottom of the second gear 933 drives the center of a lead screw 934 through the coupler, lead screw 94 passes through screw thread rotation fixed block 95, because fixed block 95 bottom carries out bolted connection with backup pad 8, and because both ends and the inside left and right sides laminating of frame 92 about the fixed block 95 outside, restrict the rotation of fixed block 95, drive gear commutator 93 and roof 91 reciprocate when making lead screw 94 rotate, cause the rotation direction to the high deviation control handle 964 who overhauls the circuit to adjust the height of roof 91 when sitting down according to the maintenance worker, can adjust according to the height of overhauing the circuit when making the maintenance worker sit down, make things convenient for the maintenance of maintenance worker to the circuit, make the maintenance of maintenance worker lighter.

Claims

1. A ladder for power grid maintenance comprises a first supporting foot (1), a second supporting foot (2), a pedal (3), a rubber sleeve (4), a limiting rope (5), a first rotating shaft (6), a connecting piece (7) and a supporting plate (8), the insides of the first supporting foot (1) and the second supporting foot (2) are connected with the pedal (3) through bolts, the bottom ends of the first arm brace (1) and the second arm brace (2) are sleeved with rubber sleeves (4), the left end and the right end of the limiting rope (5) are respectively bound with the first supporting leg (1) and the second supporting leg (2), the top ends of the first supporting leg (1) and the second supporting leg (2) are rotatably connected with the connecting piece (7) through a first rotating shaft (6), the top end of the connecting piece (7) is welded with the supporting plate (8), and the top end of the supporting plate (8) is connected with the adjusting device (9) through a bolt;

the method is characterized in that: still include adjusting device (9), adjusting device (9) comprises roof (91), frame (92), gear commutator (93), lead screw (94), fixed block (95) and rotation handle (96), roof (91) bottom and frame (92) carry out bolted connection, frame (92) inside top carries out bolted connection with gear commutator (93), gear commutator (93) bottom and lead screw (94) carry out the rotation and are connected, lead screw (94) bottom and fixed block (95) inside carry out threaded connection, gear commutator (93) rear end and rotation handle (96) carry out the rotation and are connected, fixed block (95) bottom carries out bolted connection with backup pad (8), gear commutator (93) comprises shell (931), first gear (932), second gear (933) and shaft coupling (934), rotate handle (96) front end run through shell (931) and rotate with first gear (932) centre of a circle department and be connected, first gear (932) bottom and second gear (933) meshing, second gear (933) bottom centre of a circle department is provided with a pivot arm, and this pivot arm carries out the rotation through shaft coupling (934) and lead screw (94) top centre of a circle and is connected.

2. A ladder for grid services according to claim 1, wherein: the rotating handle (96) is composed of a second rotating shaft (961), a connecting rod (962), a bearing (963) and a handle (964), the bottom of the rear end of the second rotating shaft (961) is welded with the connecting rod (962), the bottom end of the inside of the connecting rod (962) is welded with the bearing (963), the front end of the handle (964) is inserted into the circle center of the bearing (963), and the handle (964) is rotatably connected with the connecting rod (962) through the bearing (963).

3. A ladder for grid services according to claim 1, wherein: the top of the top plate (91) is provided with a rubber pad, and the top end of the rubber pad is provided with anti-skid grains.

4. A ladder for grid services according to claim 1, wherein: the pedals (3) in the first supporting foot (1) and the second supporting foot (2) are respectively provided with more than two.

5. A ladder for grid services according to claim 1, wherein: the left end and the right end of the outer side of the fixing block (95) are attached to the left side and the right side of the inner part of the outer frame (92).

6. A ladder for grid services according to claim 1, wherein: the length of the outer frame (92) is consistent with that of the screw rod (94).

7. A ladder for grid services according to claim 2, wherein: the outer side of the handle (964) is provided with a rubber sleeve, and the outer side of the rubber sleeve is provided with anti-skid lines.