CN114538338A - Embrace pole and promote drive arrangement and fall to ground rocking arm and embrace pole hoisting frame - Google Patents

Abstract

The invention relates to a holding pole lifting driving device and a floor rocker arm holding pole lifting frame, wherein the holding pole lifting driving device comprises a vertical frame, a first pulley, a second pulley, a supporting rod, a sliding rod and an upward pulling rope, the vertical frame is a frame body consisting of a top plate, a bottom plate and two side plates, two ends of the sliding rod are connected with the two side plates in a sliding mode, the bottom end of the sliding rod is connected with the sliding rod, the top end of the sliding rod vertically penetrates through the top plate upwards for being connected with a lifting trolley, a plurality of first pulleys are fixed below the top plate side by side, a plurality of second pulleys are fixed on the sliding rod side by side, the number of the first pulleys and the number of the second pulleys are the same, one end of the upward pulling rope is fixed on the top plate after being wound around the first pulleys and the second pulleys in an up-and-down staggered mode, and the other end of the upward pulling rope is led out from one side of the vertical frame. Compared with the prior art, the invention has better mountain transportation and assembly applicability, and can assemble and lift the ultrahigh holding pole.

Description

A pole lift drive device and a floor rocker arm pole lift frame

technical field

The invention relates to the field of construction of power transmission lines in power transmission and transformation projects of power systems, in particular to a pole-holding lifting drive device and a landing rocker arm holding-pole lifting frame.

Background technique

As an important construction tool for assembling large and medium-sized iron towers, the floor rocker arm is widely used in the construction of ultra-high voltage and ultra-high voltage transmission lines. At present, the main methods of erecting and lifting the floor rocker arm are crane hoisting, pulley block hoisting, hydraulic lifting frame jacking and other methods. However, most of the towers of ultra-high voltage transmission line projects are located in mountainous areas, and the traffic is very constant. In some places, only ropeways can be used for transportation. Therefore, heavy and bulky cranes cannot be transported, and hydraulic pumps, oil cylinders and other equipment are difficult to transport. At this stage, the use of pulleys should be the priority for pole-holding and lifting in mountainous areas. However, the existing pulley block lifting frame structure has low bearing capacity, and is generally used for the assembly of the initial height of the pole (less than 40 meters). Above 40 meters, it is necessary to use the method of lifting the pulley block on the tower body, which increases the climbing operation. It is dangerous and inefficient. It has always been a technical difficulty in the assembly and lifting of poles over 40 meters in mountainous areas.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a pole lift drive device and a landing rocker arm pole lift frame in order to overcome the above-mentioned defects in the prior art.

The object of the present invention can be realized through the following technical solutions:

A pole-holding lifting drive device comprises a vertical frame, a first pulley, a second pulley, a support rod, a sliding rod and a pull-up rope, wherein the vertical frame is a frame body composed of a top plate, a bottom plate and two side plates, The two ends of the sliding rod are slidably connected to two side plates, the bottom end of the sliding rod is connected to the sliding rod, the top end is vertically upward through the top plate, and is used to connect the lifting trolley, and a plurality of first pulleys are fixed side by side under the top plate , a plurality of second pulleys are fixed side by side on the sliding rod, the number of the first pulley and the second pulley are the same, one end of the pull-up rope is staggered up and down around the first pulley and the second pulley and then fixed on the top plate, and the other end from The vertical frame is drawn out from one side.

In one embodiment of the present invention, it further includes a third pulley and a pull-down rope, the third pulley is fixed under the sliding rod, one end of the pull-down rope is fixed on the bottom plate after going around the third pulley, and the other end is connected from the vertical Draw out from one side of the frame.

In an embodiment of the present invention, one end of the pull-up rope drawn out from one side of the vertical frame is connected to the grinding equipment.

In an embodiment of the present invention, a plurality of guide wheels are provided on one side of the vertical frame, and the pull-up ropes pass around the guide wheels in sequence.

In an embodiment of the present invention, the number of the first pulleys is at least four.

A floor rocker arm holding pole lifting frame includes a lifting frame base, a lifting frame body and a lifting trolley, the lifting frame body is fixed on the lifting frame base, the lifting trolley is hooped on the lifting frame body, and the lifting frame is The two sides of the main body are symmetrically installed with the pole lift driving device according to any one of claims 1 to 5.

In an embodiment of the present invention, the lifting trolley is provided with a card seat connected to the chute, so that the lifting trolley can move up and down relative to the lifting frame body along the chute. Further, the lifting trolley includes a rectangular frame and a card seat, at least three card seats are distributed on the inner side of the rectangular frame, the chute is a hollow groove, and the rectangular frame is hooped outside the lifting frame body, so that the card seats correspond to each other. Passing through the hollow slot, the suspended end of the card seat is provided with a turning unit for lifting the pole section.

In an embodiment of the present invention, the top end of the sliding rod and the lifting trolley are detachably connected.

In one embodiment of the present invention, the bottom plate is fixed on the base of the lifting frame.

Compared with the prior art, the present invention has the following beneficial effects:

1. The pole-holding lifting drive device is a flat and integrated structure, which is simple in structure, easy to transport, and easy to maintain and maintain; the first pulley, the second pulley and the pull-up rope form a parallel fixed pulley block in the device, which can effectively distribute the rope. The pulling force received will lift more pole sections, so as to realize the assembly of ultra-high poles.

2. The driving device for holding the pole is also equipped with a third pulley and a pull-down rope, which ensures the constant speed and stability of the sliding pole when it is lowered, and improves the safety of the operation process.

2. The pole-holding lifting drive device can be driven with the existing grinding equipment on the tower assembly site, and the operation is more convenient.

3. There are multiple guide wheels on one side of the vertical frame, which are used to guide the pull-up rope and avoid rope entanglement.

4. There are two symmetrical pole lifting drive devices on both sides of the lifting frame body to ensure the safety and stability of the lifting operation.

Description of drawings

Figure 1 is a schematic diagram of the structure of the floor rocker arm lifting frame.

Figure 2 is a schematic diagram of the explosion structure of the landing rocker arm holding pole lifting frame.

Figure 3 is a schematic diagram of the structure of the lifting trolley.

Figure 4 is a schematic structural diagram of a pole-lifting drive device.

Figure 5 is a schematic diagram of the connection between the support rod and the sliding rod.

FIG. 6 is a schematic view of the working state of the pole-lifting drive device.

Fig. 7 is the overall working schematic diagram of the floor rocker arm holding pole lifting frame.

1. Lifting frame base, 2. Lifting frame body, 21, Chute, 2a, Upper bracket, 2a-1, Main board piece, 2a-2, Side plate piece, 2b, Lower bracket, 3. Lifting trolley, 31, Card seat, 32, rectangular frame, 321, main rod, 322, side rod, 33, limit wheel, 34, connecting groove, 35, connecting pin, 36, turning unit, 4, pole holding section, 51, vertical frame, 511, top plate, 512, bottom plate, 513, side plate, 52, first pulley, 53, second pulley, 54, support rod, 55, sliding rod, 56, pull-up rope, 57, third pulley, 58, pull-down Rope, 59, guide wheel, 6, grinding equipment.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and provides a detailed implementation manner and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

As shown in FIG. 1 , this embodiment provides a floor rocker arm lifting frame, including a lifting frame base 1 , a lifting frame body 2 , a lifting trolley 3 and two lifting driving devices for the lifting frame. The lifting frame base 1 is fixed on the ground, the lifting frame body 2 is fixed on the lifting frame base 1, the lifting trolley 3 is hooped on the lifting frame body 2, and a chute 21 is arranged on the lifting frame body 2, and the lifting frame 2 is provided with a chute 21. 3 is provided with a card seat 31 connected to the chute 21 , and the lifting trolley 3 can move up and down relative to the lifting frame body 2 along the sliding groove 21 by means of the card seat 31 . Two pole-lifting drive devices are symmetrically installed on both sides of the lift frame body 2 and connected to the lift trolley 3 , and the bottom of the pole-hold lift drive device is fixed on the lift frame base 1 .

As shown in FIG. 2 , the lifting frame body 2 includes an upper bracket 2a and a lower bracket 2b of an upper and lower structure, and the upper bracket 2a and the lower bracket 2b are fixedly connected by bolts. Both the upper bracket 2a and the lower bracket 2b are conventional A-shaped cube brackets, and the central part is hollow for lifting the pole section 4 . One side of the lower bracket 2b is provided with an opening for inserting the pole section 4 . The upper bracket 2a includes two main plate parts 2a-1 and two side plate parts 2a-2, the two main plate parts 2a-1 are both concave and are arranged opposite each other, and the two side plate parts 2a-2 are located on the two main plates. Between the parts 2a-1, the main plate part 2a-1 and the side plate part 2a-2 are connected by bolts. The gap between the main plate member 2a-1 and the side plate member 2a-2 forms a hollow groove, that is, the chute 21 connecting the lifting trolley 3 .

As shown in FIG. 3 , the lifting cart 3 includes a rectangular frame 32 , a card seat 31 and a limit wheel 33 . The rectangular frame 32 is composed of two symmetrical structural parts, each structural part includes a main rod 321 and a side rod 322, the side rods 322 are located at both ends of the main rod 321, and the ends of the side rods 322 of the two structural parts are connected by bolts. The inner side of the main rod 321 of each structural member is distributed with two clamping seats 31, which symmetrically pass through the two sliding grooves 21 on the side of the lifting frame body 2; the outer side of the main rod 321 is provided with connecting grooves 34 and connecting pins 35, One end of the pole-lifting driving device penetrates the connecting groove 34 and is fixed by the connecting pin 35 to form a hinge. The limiting wheels 33 are arranged at four inner corners of the rectangular frame 32 , and each inner corner has two pairs for connecting the lifting frame body 2 . The setting of the limit wheel 33 is convenient for the sliding of the lifting trolley 3, and can play a role of fixed limit. A turning unit 36 is provided at the suspended end of the card seat 31 for lifting the pole section 4 .

The turning unit 36 adopts the existing structure, for example, a right-angle triangular support plate that rotates in one direction, and the right-angle triangle support plate is inserted into the card slot of the card seat 31 and connected in rotation. One right-angled side of the right-angle triangular pallet is horizontal, and the hypotenuse is set obliquely downward. A plane corresponding to the turning unit 36 is provided on the pole section 4 . When the lifting trolley 3 moves downward, the pole-holding section 4 contacts the hypotenuse to make the right-angle triangular pallet slightly overturn, and the pole-holding section 4 and the turning unit 36 are not constrained by each other. When the lifting trolley 3 moves upward, the horizontal right-angle side of the right-angle triangle bracket contacts the plane, and the other vertical right-angle side makes the right-angle triangle bracket unable to rotate, so that the pole-holding section 4 and the turning unit 36 are mutually restrained, and the lifting trolley 3 drives the pole-holding section 4 move up together.

As shown in FIG. 4 , the driving device for lifting a pole includes a vertical frame 51 , a first pulley 52 , a second pulley 53 , a support rod 54 , a sliding rod 55 and a pull-up rope 56 . The vertical frame 51 is a rectangular frame composed of a top plate 511, a bottom plate 512 and two side plates 513. The two side plates 513 are provided with track grooves, and the bottom plate 512 is fixed on the lifting frame base 1 by bolts. As shown in FIG. 5 , the support rod 54 and the sliding rod 55 are connected to each other to form a T-shape. Both ends of the sliding rod 55 are slidably connected to the track grooves, and are located between the top plate 511 and the bottom plate 512 , so that the top of the support rod 54 whose bottom end is connected to the sliding rod 55 protrudes upward from the through hole of the top plate 511 , and can be connected through the connecting pin 35 Detachable and connecting grooves 34 are fixed. A plurality of first pulleys 52 are fixed side by side under the top plate 511 , and a plurality of second pulleys 53 are fixed side by side on the sliding rod 55 . The numbers of the first pulleys 52 and the second pulleys 53 are the same, generally at least four, and five are preferably used in this embodiment. One end of the pull-up rope 56 first goes around the first first pulley 52 above, then goes around the first second pulley 53 below, and then goes around the second pulley above, thereby staggering all the way up and down. The first pulley 52 and the second pulley 53 are fixed to the top plate 511 . The other end of the pull-up rope 56 is drawn out from one side of the vertical frame 51 and then connected to the existing grinding equipment 6 . The vertical frame 51 is provided with two guide wheels 59 , and the pull-up rope 56 goes around the guide wheels 59 in turn to guide the direction.

Therefore, as shown in FIG. 6 , when the grinding device 6 pulls the pull-up rope 56 , the juxtaposed fixed pulley set composed of the first pulley 52 , the second pulley 53 and the pull-up rope 56 will drive the sliding rod 55 and the support rod 54 moves upward, so that the support rod 54 drives the lifting trolley 3 to move upward. The juxtaposed fixed pulley blocks can effectively share the tension on the rope, and lift more pole-holding sections 4, thereby realizing the assembly of ultra-high poles.

As shown in FIG. 4 , the pole-lifting driving device further includes a third pulley 57 and a pull-down rope 58 . A single third pulley 57 is fixed at the lower center of the sliding rod 55 . One end of the pull-down rope 58 goes around the third pulley 57 and is fixed to the bottom plate 512 , and the other end is drawn out from the vertical frame 51 . The operator can control the descending of the sliding rod 55 and the support rod 54 smoothly and uniformly by pulling the pull-down rope 58 while relaxing the grinding device 6 , which improves the safety of the operation process.

As shown in Figure 7, the working process of this embodiment is as follows:

The winching equipment 6 starts, pulls the pull-up rope 56, shrinks the movable pulley block, drives the support rod 54 and the lifting trolley 3 to rise, and the turning unit 36 of the lifting trolley 3 pushes up against the component plane of the pole-holding section 4, so that the lifting trolley 3 and the lifting trolley 3 are lifted upward. The assembled pole section 4 rises together along the slide rail.

When the assembled pole section 4 is raised by a standard height as a whole, a standard height of the pole section 4 is filled from one side of the lifting frame body 2, and the newly filled pole section 4 is connected with the lifted pole in the upper section. Align the lower end of Section 4, thread the connecting bolts and tighten them to secure. Loosen the grinding equipment 6, so that the reassembled pole section 4 falls as a whole and sits on the support position of the base of the lifting frame, and the lifting trolley 3 is no longer stressed.

Continue to loosen the grinding equipment 6, and pull the pull-down extension and retraction at the same time to drive the support rod 54 and the lifting trolley 3 to descend to the bottom initial position. During the descending process, the four groups of turning units 36 of the hoisting trolley 3 are automatically reversed, and then they are reversed and stuck again after descending to the upper lifting position at the bottom of the newly filled pole section 4 .

The pull-down ropes 58 on both sides are loosened, and the pull-up ropes 56 of the lift drive devices on both sides are tightened synchronously again for the next lift.

Repeat the above process to continuously raise the pole.

The preferred embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art through logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the present invention shall fall within the protection scope determined by the claims.

Claims (10)

1. a pole-holding lift drive device is characterized in that, comprising vertical frame (51), first pulley (52), second pulley (53), support rod (54), sliding rod (55) and pull-up The rope (56), the vertical frame (51) is a frame body composed of a top plate (511), a bottom plate (512) and two side plates (513), and the two ends of the sliding rod (55) are slidingly connected to the two The side plate member (2a-2), the bottom end of the sliding rod (55) is connected to the sliding rod (55), and the top end passes through the top plate (511) vertically upward, and is used for connecting the lifting trolley (3), a plurality of first The pulleys (52) are fixed side by side under the top plate (511), and a plurality of second pulleys (53) are fixed side by side on the sliding rod (55). One end of the pull-up rope (56) is staggered up and down around the first pulley (52) and the second pulley (53) and then fixed on the top plate (511), and the other end is drawn out from one side of the vertical frame (51). 2. The driving device for lifting a pole according to claim 1, characterized in that it further comprises a third pulley (57) and a pull-down rope (58), wherein the third pulley (57) is fixed on the sliding rod (55). ), one end of the pull-down rope (58) goes around the third pulley (57) and is fixed on the bottom plate (512), and the other end is drawn out from the vertical frame (51). 3 . The driving device for lifting a pole according to claim 1 , characterized in that, one end of the pull-up rope ( 56 ) drawn out from one side of the vertical frame ( 51 ) is connected to the grinding equipment ( 6 ). 4 . 4. The driving device for lifting a pole according to claim 1, wherein a plurality of guide wheels (59) are provided on one side of the vertical frame (51), and the pull-up ropes (56) are arranged in sequence Go around the guide wheel (59). 5 . The driving device for lifting a pole according to claim 1 , wherein the number of the first pulleys ( 52 ) is at least four. 6 . 6. A floor-standing rocker arm holding pole lifting frame, comprising a lifting frame base (1), a lifting frame body (2) and a lifting trolley (3), the lifting frame body (2) being fixed on the lifting frame base (1) , the lifting trolley (3) is hooped on the lifting frame body (2), characterized in that the lifting frame body (2) is symmetrically mounted on both sides of the lifting frame body (2). drive. 7. The floor rocker arm holding pole lifting frame according to claim 6, wherein the lifting frame body (2) is provided with a chute (21), and the lifting trolley (3) is provided with a connection The clamping seat (31) of the chute (21) enables the lifting trolley (3) to move up and down relative to the lifting frame body (2) along the chute (21). 8 . The floor rocker arm holding pole lifting frame according to claim 7 , wherein the lifting trolley ( 3 ) comprises a rectangular frame ( 32 ) and a card seat ( 31 ), and at least three card seats ( 31 ). ) is distributed on the inner side of the rectangular frame (32), the chute (21) is a hollow slot, and the rectangular frame (32) is hooped outside the lifting frame body (2), so that the card seat (31) passes through the hollow correspondingly A turning unit (36) is provided on the suspended end of the card seat (31) for lifting the pole-holding section (4). 9 . The floor rocker arm holding pole lifting frame according to claim 6 , wherein the top end of the sliding rod ( 55 ) and the lifting trolley ( 3 ) are detachably connected. 10 . 10 . The floor rocker arm holding pole lifting frame according to claim 6 , wherein the bottom plate ( 512 ) is fixed on the lifting frame base ( 1 ). 11 .

Images