CN108775196A - Lifting and self-climbing combined mechanism for erecting power transmission tower - Google Patents

Abstract

The invention discloses a hoisting and self-climbing combination mechanism for erecting a power transmission tower. The combined structure is arranged on the body of the power transmission tower, including a winch, a fixing seat, a sliding seat, a holding pole, a pulley, a suspension rope and a hook, several The sliding seat is fixed on the body of the transmission tower in layers, and the pole is slid to pass through the sliding seat, and the lower end of the pole is fixed on the body of the transmission tower through several fixing seats. The pulley and the hoist are respectively arranged on the top and the At the bottom end, the sling is placed on the pulley, and one end of the sling is wound on the drum of the winch, and the other end is fixedly connected with the hook; fix the hook on the body of the transmission tower, loosen the fixing seat, and the winch takes up the line , to realize the upward movement of the pole along the body of the transmission tower. The invention is attached to the power transmission tower and can be kept stable without external pull wires. The tower is assembled from bottom to top through self-climbing. It is suitable for the erection and construction of iron towers in special terrains where large machinery cannot enter the site.

Description

A combined lifting and self-climbing mechanism for erecting transmission towers

Technical field:

The invention relates to a combined lifting and self-climbing mechanism for erecting a power transmission tower.

Background technique:

The existing commonly used methods for erecting transmission line iron towers include the method of erecting towers with internal suspension holding poles and the method of erecting towers with cranes. In the construction of UHV transmission towers in high mountain areas and the construction of 110kV-500kV line towers, due to the poor terrain and the difficulty for cranes to enter the tower position, the tower method of internal suspension holding poles is generally used. However, there are many disadvantages in the suspension pole-holding group tower: the construction efficiency of the suspension-holding pole group tower is low, the amount of labor is large; the construction safety risk is relatively large; the construction site is restricted by the terrain; the construction environment is relatively high and a series of deficiencies. Therefore, it is necessary to improve the prior art to solve the deficiencies of the prior art.

Invention content:

The present invention provides a combined lifting and self-climbing mechanism for erecting a power transmission tower in order to solve the above-mentioned problems in the prior art.

The technical solutions adopted in the present invention include: a combined lifting and self-climbing mechanism for erecting a power transmission tower. and hooks, several sliding seats distributed along the height of the transmission tower body are respectively fixed on the body of the transmission tower, the holding pole is slid and installed in the sliding seat, the pulley and the hoist are respectively arranged at the top and bottom of the holding pole, and the suspension One end of the rope is wound on the drum of the hoist, the other end is wound around the pulley and fixedly connected with the hook, the pole is fixedly connected with the fixed seat, and the fixed seat is fixed or slidingly connected with the transmission tower body; the fixed seat is connected with the transmission tower When the body is fixed, it forms a lifting mechanism, the hook hooks the hanging object, and the hoist retracts and releases the sling; when the fixed seat is slidingly connected with the transmission tower body, it forms a self-climbing mechanism, the hook hooks the transmission tower, the hoist retracts and releases the sling, and holds the pole. Slide up the slider and holder.

Further, the fixing seat is fixedly connected to the lower part of the pole.

Further, the fixing seat includes a support plate, a first splint and a second splint, the cross-sections of the first splint and the second splint are both in the shape of a right angle, the first splint and the second splint are arranged parallel to each other, and the second splint The splint is located inside the first splint, the support plate is welded on the outer wall of the first splint, the first splint and the second splint are fixedly connected by bolts; the support plate is fixedly connected to the pole by bolts, and the transmission tower body is fixed by bolts on the inside of the second splint.

Further, the sliding seat includes a guide seat, a pulley, a rotating shaft, a screw, a connecting block and an angle steel, the pulley is rotatably connected to the rotating shaft through a bearing, a screw is welded at both ends of the rotating shaft, and the guiding seat is rectangular. Four pulleys are placed at the four corners of the guide seat, and two screw rods on each pulley are inserted into the side wall of the guide seat, and the nuts are threaded on the screw rods to fix the pulleys on the guide seat, and the connecting block is welded On the outer wall of the guide seat, the angle steel is welded on the connection block, and the angle steel is fixedly connected with the transmission tower body through bolts.

Further, the cross-section of the holding rod is rectangular, and the four sides of the holding rod are in contact with the four rollers in the sliding seat.

Further, the poles are of a segmented structure, and each section of poles is fixedly connected by bolts.

Further, the pole is made of aluminum alloy.

The present invention has following beneficial effect:

The invention is attached to the power transmission tower and can be kept stable without external pull wires. The tower is assembled from bottom to top through self-climbing. It is suitable for the erection and construction of iron towers in special terrains where large machinery cannot enter the site. Due to the advantages of wire-free, self-elevating, and efficient hoisting, the present invention can effectively reduce safety risks and reduce labor costs; after the construction of the iron tower is completed, it only needs to disassemble the poles in sections, and then it can be transported by manpower or small vehicles to The towers are assembled at the next base tower, which greatly improves the efficiency of the mechanized construction of the transmission line.

Description of drawings:

Figure 1 is a structural diagram of the present invention.

Fig. 2 is a front view of the fixing seat in the present invention.

Fig. 3 is a top view of the fixing seat in the present invention.

Fig. 4 is a structural diagram of the sliding seat in the present invention.

Detailed ways:

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Fig. 1 to Fig. 4, the present invention is a lifting and self-climbing combination mechanism for erecting a power transmission tower. A pulley 5, a suspension rope 6 and a hook 7, several slide seats 3 are layered and fixed on the transmission tower body along the height direction of the transmission tower body, the holding pole 4 slides and is installed in the slide seat 3, and the pulley 5 and the hoist 1 are respectively arranged At the top and bottom ends of the pole 4, the suspension rope 6 passes through the interior of the pole 4, and one end of the suspension rope 6 is wound on the drum of the hoist 1, and the other end is wound around the pulley 5 and fixedly connected with the hook 7 , the holding pole 4 is fixedly connected with the fixed seat 2, and the fixed seat 2 is fixedly or slidably connected with the transmission tower body.

During the erection process of the transmission tower, when lifting the tower section main material and the cross material in the transmission tower, the fixing seat 2 is fixedly connected with the transmission tower body. Hang up the hoisting object, and the winch retracts and unwinds the sling 6 to complete the hoisting operation.

After completing the hoisting of a section of tower body, when the present invention needs to be moved up to the newly erected tower body, the hook 7 is hooked to the power transmission tower, the fixing seat 2 is loosened, the hoist retracts the suspension rope 6, and the holding rod 4 is fixed Seat 2 slides upwards along tower body together, and now the present invention forms self-climbing mechanism, after climbing up to required height, fixed seat 2 is fixed on tower body and gets final product.

The fixing seat 2 in the present invention includes a supporting plate 21, a first clamping plate 22 and a second clamping plate 23, the first clamping plate 22 and the second clamping plate 23 are in the shape of a right angle, the first clamping plate 22 and the second clamping plate 23 are arranged parallel to each other, and The second clamping plate 23 is located inside the first clamping plate 22 , and the support plate 21 is welded on the outer wall of the first clamping plate 22 . During installation, the transmission tower body is placed between the first splint 22 and the second splint 23, the first splint 22 and the second splint 23 are fixedly connected by bolts, and the support plate 21 is fixedly connected with the pole 4 by bolts. When the present invention climbs up, loosen the bolts on the first clamping plate 22 and the second clamping plate 23, and during the climbing process, the first clamping plate 22 and the second clamping plate 23 slide on the tower body. If the tower bar on the tower body interferes with the fixed seat 2 and moves up, the second clamping plate 23 is pulled down and gets final product.

Sliding seat 3 comprises guide seat 31, pulley 32, rotating shaft 33, screw rod 34, connecting piece 35 and angle steel 36, pulley 32 is connected on the rotating shaft 33 by bearing rotation, all welds a screw rod 34 at the two ends of rotating shaft 33, guide seat 31 is rectangular shape, and four pulleys 32 are placed at the four corners of guide seat 31, and two screw rods 34 on each pulley 32 are plugged on the side wall of guide seat 31, open on the side wall of guide seat 31 In the oblong hole, the screw rod 34 is inserted into the oblong hole, and the oblong hole is convenient for adjusting the position of the pulley 32 . A nut is threaded on the screw rod 34 , and the nut is tightened to fix the pulley 32 on the guide seat 31 . The connection block 35 is welded on the outer wall of the guide seat 31, and the angle steel 36 is fixed on the connection block 35 by bolts, and the angle steel 36 is fixedly connected with the transmission tower body by bolts.

The cross section of the holding rod 4 is rectangular, and the four top edges of the holding rod 4 are in contact with the four rollers in the sliding seat 3 .

The holding pole 4 is made of aluminum alloy, and has good mechanical properties. The holding pole 4 is a segmented structure, and each section of the holding pole is fixedly connected by bolts. During use, select the holding pole 4 of suitable length according to the height of tower body.

During use, several sliding seats 3 are layered and fixed on the body of the transmission tower, the holding rod 4 slides through the sliding seat 3, and the lower end of the holding rod 4 is fixed on the body of the transmission tower through two fixing seats 2. When erecting the transmission tower, the main material and cross material of each tower section are hoisted by the hook 7 . After completing the hoisting of a section of the tower body, fix the hook 7 on the body of the transmission tower, loosen the fixing seat 2, take up the hoist 1, realize the climbing up of the holding pole 4 along the body of the transmission tower, and then fix the fixing seat 2 again At the lower end of the holding pole 4, the holding pole 4 is fixed on the body of the power transmission tower, and the hoisting of the main material and cross material of the tower section is continued. As the height of the transmission tower increases gradually, the sliding seat 3 is released and the sliding seat 3 is moved up to realize the adjustment of the working height of the combined structure. When in use, repeat the above process.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, some improvements can also be made without departing from the principle of the present invention, and these improvements should also be regarded as the invention. protected range.

Claims (7)

1. A hoisting and self-climbing combination mechanism for erecting a transmission tower, the combination structure is set on the body of the transmission tower, and it is characterized in that it includes a winch (1), a fixed seat (2), a sliding seat (3), a holding Rod (4), pulley (5), sling (6) and hook (7), several sliding seats (3) distributed along the height of the transmission tower body are respectively fixed on the body of the transmission tower, holding the pole (4 ) slides through the sliding seat (3), the pulley (5) and the hoist (1) are respectively set on the top and bottom of the pole (4), and one end of the suspension rope (6) is wound around the hoist (1) On the reel, the other end is wound around the pulley (5) and fixedly connected with the hook (7), the pole (4) is fixedly connected with the fixing seat (2), and the fixing seat (2) is fixed or slidingly connected with the transmission tower body When the fixed seat (2) is fixed with the transmission tower body, it forms a lifting mechanism, the hook (7) hooks the hanging object, and the winch retracts and unwinds the sling (6); when the fixed seat (2) is slidingly connected with the transmission tower body, it forms From the climbing mechanism, the hook (7) is hooked to the transmission tower, the hoist retracts the sling (6), and the pole (4) slides upward along the sliding seat (3) and the fixing seat (2). 2. The combined lifting and self-climbing mechanism for erecting transmission towers according to claim 1, characterized in that: the fixing seat (2) is fixedly connected to the lower part of the pole (4). 3. The combined lifting and self-climbing mechanism for erecting transmission towers according to claim 1, characterized in that: the fixing base (2) includes a support plate (21), a first splint (22) and a second splint (23), the cross sections of the first splint (22) and the second splint (23) are both rectangular in shape, the first splint (22) and the second splint (23) are arranged parallel to each other, and the second splint (23) ) is located inside the first splint (22), the support plate (21) is welded on the outer wall of the first splint (22), and the first splint (22) and the second splint (23) are fixedly connected by bolts; the support plate (21) is fixedly connected with the pole (4) by bolts, and the tower body of the transmission tower is fixed between the first splint (22) and the second splint (23) by bolts. 4. The combined lifting and self-climbing mechanism for erecting transmission towers according to claim 1, characterized in that: the sliding seat (3) includes a guide seat (31), a pulley (32), a rotating shaft (33), screw (34), connecting block (35) and angle steel (36), the pulley (32) is connected to the rotating shaft (33) through bearing rotation, and a screw (34) is welded at both ends of the rotating shaft (33), The guide seat (31) is rectangular, four pulleys (32) are placed at the four corners of the guide seat (31), and two screw rods (34) on each pulley (32) are inserted into the guide seat (31 ) on the side wall of the threaded rod (34), the pulley (32) is fixed on the guide seat (31), the connecting block (35) is welded on the outer wall of the guide seat (31), and the angle steel (36) It is fixed on the connecting block (35) by bolts, and the angle steel (36) is fixedly connected with the transmission tower body by bolts. 5. The combined lifting and self-climbing mechanism for erecting transmission towers according to claim 4, characterized in that: the cross section of the holding pole (4) is rectangular, and the four sides of the holding pole (4) and the sliding seat The four rollers in (3) touch each other. 6. The combined lifting and self-climbing mechanism for erecting transmission towers according to claim 1, characterized in that: the poles (4) are segmented structures, and each section of poles is fixedly connected by bolts. 7. The combined lifting and self-climbing mechanism for erecting transmission towers according to claim 1, characterized in that: the holding pole (4) is made of aluminum alloy.