CN204802947U - Circuit fortune dimension companion ladder - Google Patents

Abstract

The utility model relates to a line operation and maintenance elevator, which is used to facilitate electric power maintenance personnel to maintain power transmission lines outdoors. A fixed frame is arranged on the upper part of the base, and the main body of the fixed frame is the first vertical bar located on the four corners of the rectangle. A number of climbing rods are arranged between the rods, and a movable frame can be slidably installed in the inner cavity of the fixed frame, and a drive assembly for driving the movable frame to go up and down is provided between the movable frame and the fixed frame; on the top of the movable frame A pedal is provided, and guardrails are arranged around the pedal. A pair of guide rails are respectively arranged on the front and rear side walls of the base, a telescopic rod is slidably installed on each guide rail, and a supporting leg is hingedly mounted on the free end of the telescopic rod. The lift can lift the staff to a high place, the setting of the outrigger can increase the overall stability to ensure the balance of the person, and the setting of the guardrail can prevent the staff from falling.

Description

A line operation and maintenance elevator

technical field

The utility model relates to the technical field of electric power maintenance, in particular to an elevator which is convenient for maintaining power transmission lines outdoors.

Background technique

The safe operation of power transmission and distribution lines is a very important factor to ensure power safety. Whether in urban or rural areas, various problems often occur in power transmission and distribution lines. For example, birds on transmission towers or poles Building a bird's nest on the cross arm above is the most common factor that threatens the safety of power transmission; another example is the damage of insulators, which will reduce the safety distance between power transmission lines. When the above problems occur, electric power operation and maintenance personnel need to climb to the pole or iron tower for maintenance work. Although there are climbing equipment such as foot buckles, there are still great safety hazards for electric power operation and maintenance personnel when climbing. Moreover, when the operation and maintenance personnel climb to the wire pole to perform maintenance operations, due to the reason of the body posture, there will be a greater impact on the application of force.

Utility model content

The purpose of the utility model is to provide a line operation and maintenance elevator, which is used to facilitate the maintenance of power transmission and distribution lines outdoors by electric power maintenance personnel.

The technical solution adopted by the utility model to solve the technical problems is: a line operation and maintenance elevator, which is characterized in that it includes a base, a fixed frame, a movable frame, a drive assembly, legs and pedals, and a There are walking wheels, and a fixed frame is fixed on the upper part of the base. The fixed frame is a hollow square metal piece. The main body of the fixed frame is the first vertical bar located on the four corners of the rectangle. A number of first slanting rods are arranged between one vertical rod, and a number of climbing rods are arranged between the front and rear first vertical rods, and a movable frame can be slid up and down in the inner cavity of the fixed frame, and the movable frame The frame is a hollow square metal piece, and a drive assembly for driving the movable frame up and down is provided between the movable frame and the fixed frame;

A pedal is provided on the top of the movable frame, and a guardrail is provided around the pedal;

A pair of guide rails are respectively arranged on the front and rear side walls of the base, and a U-shaped telescopic rod is slidably installed on each of the guide rails. A long slot for accommodating the telescopic rod is provided in the base. A support leg is hingedly installed at the free end of the support leg, and bolts are respectively arranged between the support leg and the telescopic rod, and between the telescopic rod and the guide rail.

Further, the drive assembly includes a first sprocket, a second sprocket, a third sprocket, a fourth sprocket, a fifth sprocket, a first chain, a second chain, a worm wheel, a worm and a stepping motor, There are two first sprockets and they are arranged on the upper part of the inner cavity of the fixed frame. There are two second sprockets and they are arranged on the lower part of the inner cavity of the fixed frame. The first chain is arranged between the two sprockets, the third sprocket is two and coaxially arranged with the two second sprockets respectively, and the fourth sprocket and the fifth sprocket are arranged coaxially and rotated on the On the fixed frame, a second chain is respectively arranged between the fourth sprocket and a third sprocket, the fifth sprocket and another third sprocket; the worm wheel and the fourth sprocket share The shaft is set, and the worm gear is meshed with the worm mounted on the fixed frame, the worm is fixedly connected with the output shaft of the stepping motor, and the stepping motor is connected with the controller signal on the fixed frame; The frame is provided with a first protrusion and a second protrusion arranged left and right, and the first protrusion and the second protrusion are respectively fixed on the two first chains, and strokes are respectively arranged at the up and down strokes of the movable frame switch, and the travel switch is connected with the controller signal.

Further, the main body of the movable frame is the second vertical rods located on the four corners of the rectangle, a number of second diagonal stay rods are arranged between the left and right second vertical rods, and between the front and rear second vertical rods There are several climbing poles.

Further, several first diagonal stay rods are respectively located at different height levels, and the first diagonal stay rods on the same height level are arranged in an "X" shape.

Further, an ear plate is provided at the free end of the telescopic rod, and a bolt is provided between the ear plate and the leg, and when the telescopic rod is perpendicular to the leg, the leg is perpendicular to the ground.

Further, a backing plate is provided at the free end of the leg, and the backing plate is a circular metal plate, and the outer dimension of the backing plate is larger than that of the supporting leg.

Further, the backing plate is screwed to the leg.

Further, there are two first protrusions and two second protrusions.

Further, several of the second diagonal stay rods are respectively located at different height levels, and the second diagonal stay rods on the same height level are arranged in an "X" shape.

The beneficial effects of the utility model are: the utility model provides a line operation and maintenance elevator, when in use, the staff climbs to the pedal through the climbing rod, and then drives the stepping electric action, so that the movable frame is upward relative to the fixed frame Move until the movable frame moves to the maximum stroke. At this time, a person standing on the pedal can reach the power transmission line on the pole, and can maintain the power transmission line. When in use, the outriggers can be pulled out, and then the outriggers can be supported on the ground, which can increase the overall stability at this time. The backing plate at the bottom of the outrigger is threadedly connected with the outrigger, and the relative position of the backing plate and the outrigger can be adjusted according to the flatness of the ground to ensure that the pedal is located in the horizontal plane, thereby ensuring the balance of the human body. The setting of the guardrail can prevent the staff from falling and reduce potential safety hazards.

Description of drawings

Fig. 1 is the front schematic view of the utility model;

Fig. 2 is the side schematic diagram of the utility model;

Fig. 3 is a schematic diagram of folding of the utility model;

Figure 4 is one of the schematic diagrams for retracting the legs;

Figure 5 is the second schematic diagram of outrigger retraction;

Figure 6 is a cross-sectional view of the legs;

Figure 7 is a partial enlarged view of A in Figure 3;

Fig. 8 is the lifting schematic diagram of movable frame;

Fig. 9 is a schematic diagram of the movable frame drive assembly;

Fig. 10 is a schematic diagram of cooperation between the second, third and fourth sprockets and the worm gear;

Among the figure: 1 base, 11 walking wheels, 12 guide rails, 13 long slots, 2 fixed mounts, 21 first cross bar, 22 first diagonal stay rod, 3 movable frame, 31 second cross bar, 32 second diagonal stay rod, 33 The first protrusion, 34 the second protrusion, 4 pedals, 41 railings, 42 handrails, 5 legs, 51 telescopic rods, 511 ear plates, 52 backing plates, 521 threaded mounting parts, 53 bolts, 6 climbing rods, 71 First sprocket, 72 second sprocket, 73 first chain, 74 third sprocket, 75 fourth sprocket, 76 fifth sprocket, 77 second chain, 81 worm gear, 82 worm.

Detailed ways

As shown in Figures 1 to 10, the utility model mainly includes a base 1, a fixed frame 2, a movable frame 3, a pedal 4, a guardrail, a leg 5 and a drive assembly, and the utility model is described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1 and Fig. 2, the base 1 is the substrate of the present utility model, and the bottom of the base is provided with a walking wheel 11, and a motor for driving the walking wheel can be set on the base, and the motor is electrically connected with the storage battery. There is no great requirement for the walking distance of the base, so the driving of the traveling wheels by the motor can save manpower. When the battery power is insufficient, the base can be pushed and walked by manpower. A fixing frame 2 is arranged on the upper part of the base, and the main body of the fixing frame is four first vertical rods placed vertically, and the four first vertical rods are located on the four corners of the rectangle. A plurality of first slanting rods 22 are arranged between the two first vertical rods arranged on the left and right, and the connection between the left and right first vertical rods is realized through the first slanting rods, and the structural strength of the entire fixing frame is improved. At the same height level, two first diagonal stay rods can be arranged, and the two first diagonal stay rods are arranged in an "X" shape, and the intersection of the two first diagonal stay rods is fixedly connected. A first horizontal bar 21 is arranged between the tops of the four first vertical bars, and the four first vertical bars are connected through the setting of the first horizontal bars to further improve the overall structural strength. A climbing bar 6 is arranged between the front and back two first vertical bars, so that the staff can climb. A movable frame 3 is provided inside the fixed frame, and the main body of the movable frame is four second vertical bars placed vertically, and four second cross bars 31 are respectively arranged on the top and bottom of the four second vertical bars. Eight second cross bars connect the four second vertical bars together to improve the overall structural strength. In order to further improve the overall structural strength of the movable frame, a number of second diagonal stay rods 32 are arranged between the left and right second vertical rods, and two second diagonal stay rods are arranged on the same height level, and the two second diagonal stay rods form "X" ” shape setting, and the intersection of the two second diagonal stays is fixedly connected.

The top of the movable frame is provided with a pedal 4, and the pedal can be fixed on the movable frame by bolts. Be provided with guardrail around pedal, guardrail comprises some railings 41 and the handrail 42 that is fixed on the top of railing, and some railings surround a square, and handrail is four and is welded and fixed on the top of railing. The effect of the pedal is for the staff to stand, and the effect of the guardrail is to prevent the staff from falling from a height. The movable frame is located inside the fixed frame, as shown in Figure 8, and the movable frame can move up and down relative to the fixed frame. A positioning block is arranged on the inner side of the lower part of the fixed frame. When the bottom of the movable frame is in contact with the positioning block, the movable frame is "folded" in the inner cavity of the fixed frame, and at this time, the support to the movable frame is realized by the positioning block, so that Position the movable rack at a certain height. The rising and falling strokes of the movable frame in the fixed frame are fixed, and travel switches are respectively arranged at both ends of the stroke of the movable frame.

For driving the lifting of the movable frame, as shown in Figure 9, two first sprocket wheels 71 arranged left and right and two second sprockets 72 arranged left and right are arranged in the inboard of the fixed mount. A first chain 73 is arranged between the sprockets, and a third sprocket 74 is fixed on the sprocket shaft of each second sprocket, that is, the second sprocket and the third sprocket are arranged coaxially. The fourth sprocket wheel 75 and the fifth sprocket wheel 76 that are coaxially arranged on the fixed frame are installed with rotation, and the second sprocket wheel and the third sprocket wheel are arranged respectively between the fourth sprocket wheel and the third sprocket wheel, the fifth sprocket wheel and the third sprocket wheel. chain77. The fifth sprocket and the sixth sprocket are also coaxially arranged with a worm wheel 81. As shown in Figure 10, the worm wheel meshes with a worm screw 82, and the worm screw is fixedly connected with the output shaft of the stepping motor, and the stepping motor drives the rotation of the worm screw. , and then drives the worm wheel to rotate, and then drives the fourth sprocket and the fifth and sixth sprockets to rotate, and then drives the two third sprockets to rotate, and then drives the two second sprockets to rotate synchronously, and finally realizes the motion of the first chain. A first projection 33 is provided on the left side of the movable frame, and a second projection 34 is provided on the right side of the movable frame, and the first projection and the second projection are respectively fixed on two first chains. There are two first protrusions and two second protrusions, which can increase the stability between the movable frame and the first chain.

When the stepping motor moves, it can drive the two second sprockets to rotate synchronously in the same direction, and finally drive the synchronous movement of the two first chains. The installation of the first protrusion, the second protrusion and the first chain should ensure that the two first chains When moving, the two first chains pull the movable frame up or down. The stepper motor is connected with the controller signal, and the controller is connected with the two stroke switches. When the movable frame touches the stroke switch, the stroke switch sends a signal to the controller, and the controller controls the stepper motor to stop. The first sprocket, the second sprocket, the third sprocket, the fourth sprocket, the fifth sprocket, the first chain, the second chain, the worm gear, the worm and the stepping motor constitute the drive assembly.

In order to enhance the stability of the whole, as shown in Figure 1, a pair of outwardly protruding guide rails 12 are respectively provided on the front and rear sides of the base, and a U-shaped telescopic rod 51 is slidably installed on each guide rail. The long groove corresponding to the rod is located on the extension line of the chute on the guide rail, and the telescopic rod can be inserted into the long groove. In order to realize the relative fixation between the telescopic rod and the guide rail, a Bolt 53. A support leg 5 is hingedly installed at the free end of the telescopic rod, and the support leg can be hidden in the telescopic rod. As shown in Figure 7, an ear plate 511 is also provided at the free end of the telescopic rod. Bolts are installed between the outrigger and the ear plate, and the relative fixation of the outrigger and the telescopic rod can be realized according to the principle of determining a straight line at two points. The backing plate 52 is threadedly installed on the free end of the supporting leg, as shown in Figure 6, the backing plate is a circular metal piece, and the backing plate is provided with a threaded mounting part 521, and the setting of the backing plate can increase the contact with the ground area, reducing the pressure between the outrigger and the ground. The four outriggers are supported on the ground, which can enhance the overall stability.

As shown in Figure 4, when the lift is not in use, the backing plate is unloaded, then the bolts between the legs and the ear plates are removed, and the legs are rotated so that the legs are parallel to the telescopic rod. As shown in Figure 5, remove the bolts between the telescopic rod and the guide rail, and then push the telescopic rod into the long slot. At this point, the folding of the telescopic rod and the supporting legs is realized. The threaded connection between the backing plate and the legs is convenient for adjusting the pedal to be in the horizontal plane according to the flatness of the ground.

Claims (9)

1. a circuit O&M companion ladder, it is characterized in that, comprise base, fixed mount, tressel, drive assembly, supporting leg and pedal, described base is provided with road wheel, fixed mount is fixed with on the top of described base, described fixed mount is the square metal part of hollow, the main body of described fixed mount is be positioned at the first montant on rectangle four corners, some first digonal links are provided with between the montant of left and right two first, some pole for climbing are provided with between the montant of front and back two first, liftablely in the inner chamber of described fixed mount be slidably fitted with tressel, described tressel is the square metal part of hollow, the driving assembly driving tressel to be elevated is provided with between described tressel and fixed mount,

Be provided with pedal at the top of described tressel, around described pedal, be provided with guardrail;

The front-rear side walls of described base is respectively equipped with pair of guide rails, described in each, slide on rails is provided with the expansion link of U-shaped, the elongated slot holding expansion link is provided with in described base, supporting leg is installed the free end of described expansion link is hinged, between described supporting leg and expansion link, between expansion link and guide rail, is respectively equipped with bolt.

2. a kind of circuit O&M companion ladder according to claim 1, it is characterized in that, described driving assembly comprises the first sprocket wheel, second sprocket wheel, 3rd sprocket wheel, 4th sprocket wheel, 5th sprocket wheel, first chain, second chain, worm gear, worm screw and stepping motor, described first sprocket wheel is two and left and right is arranged on the inner chamber top of fixed mount, described second sprocket wheel is two and left and right is arranged on the inner chamber bottom of fixed mount, the first chain is provided with between the first corresponding sprocket wheel and the second sprocket wheel, described 3rd sprocket wheel be two and respectively with the coaxial setting of two second sprocket wheels, described 4th sprocket wheel and the coaxial setting of the 5th sprocket wheel are also rotatably installed on fixed mount, and at described 4th sprocket wheel and one the 3rd sprocket wheel, the second chain is respectively equipped with between described 5th sprocket wheel and another the 3rd sprocket wheel, described worm gear and the coaxial setting of the 4th sprocket wheel, and described worm gear coordinates with the worm mesh be rotatably installed on fixed mount, described worm screw is fixedly connected with stepper motor output shaft, and described stepping motor is connected with the controller signals on fixed mount, described tressel is provided with first protruding and the second projection that left and right is arranged, described first projection and the second projection are separately fixed on two first chains, be provided with travel switch respectively at the place of stroke up and down of described tressel, described travel switch is connected with controller signals.

3. a kind of circuit O&M companion ladder according to claim 1, it is characterized in that, the main body of described tressel is be positioned at the second montant on four corners of rectangle, between the montant of left and right two second, be provided with some second digonal links, between the montant of front and back two second, be provided with some pole for climbing.

4. a kind of circuit O&M companion ladder according to claim 1, is characterized in that, some described first digonal links lay respectively in differing heights level, and the first digonal link in sustained height level becomes " X " shape to arrange.

5. a kind of circuit O&M companion ladder according to claim 1, it is characterized in that, be provided with otic placode at the free end of described expansion link, between described otic placode and supporting leg, arrange bolt, and when expansion link is vertical with supporting leg, described supporting leg is perpendicular to the ground.

6. a kind of circuit O&M companion ladder according to claim 5, is characterized in that, be provided with backing plate at the free end of described supporting leg, and described backing plate is circular metal sheet, and the oad of described backing plate is greater than the oad of supporting leg.

7. a kind of circuit O&M companion ladder according to claim 6, it is characterized in that, described backing plate is threaded with supporting leg.

8. a kind of circuit O&M companion ladder according to claim 2, is characterized in that, described first projection and the second projection are respectively two.

9. a kind of circuit O&M companion ladder according to claim 3, is characterized in that, some described second digonal links lay respectively in differing heights level, and the second digonal link in sustained height level becomes " X " shape to arrange.