CN105731277B - A kind of portable transformer hanging apparatus - Google Patents

Abstract

The invention relates to a portable transformer hoisting device, which comprises a fixing assembly (2), a boom (3) and a traveling trolley (61). The fixing assembly (2) includes an upper hoop assembly (21) and a lower hoop assembly (22); a boom (3) is welded on the lower hoop assembly (22); the top end of the boom (3) An ear opening (32) is provided, and one end of an oblique stay rope (41) is fixed on the ear opening (32), and the other end is fixed on the upper hoop assembly (21); A luffing assembly (5) composed of a walking trolley (61); a steering assembly (7) is installed under the lower hoop assembly (22); there is also a counterweight box (84) on the boom (3) balance arm assembly (8). The technical problem to be solved by the present invention is to provide a device that is easy to assemble and install, light in weight, common in parts, and integrated with steering protection and lifting overweight alarm functions, which can ensure the safety and reliability of the equipment during work, increase the utilization rate of the equipment, and expand the scope of use. s installation.

Description

A portable transformer lifting device

technical field

The invention relates to the field of electric power construction tools, in particular to a portable transformer hoisting device.

Background technique

In electric power construction or maintenance, it is often necessary to install transformers. In general, transformers are hoisted by cranes. However, sometimes transformers need to be installed in remote areas where cranes cannot enter. At the same time, many of the tools that need to be carried during construction have special functions, and a large number of similar tools need to be carried. Bring a lot of unnecessary troubles to equipment installation.

Chinese patent application publication number CN103274311A discloses a transformer rotary boom on a column. The invention discloses a transformer rotary boom on a column. It includes a telescopic boom, a hoop and a boom transmission mechanism, and the hoop is fixed on On the electric pole, the transmission mechanism of the boom includes a worm wheel, a worm and a chain wheel. The worm wheel is installed at one end of the telescopic boom. The worm is welded to the hoop of the electric pole. The worm meshes with the worm wheel. The chain wheel is installed at one end of the worm. Set with chain. Although the present invention solves the problems of transformer hoisting and luffing adjustment, the luffing adjustment mechanism is heavy, and the main parts cannot be used in other aspects, which cannot meet the general requirements of the internal parts of the device, and has no functions of steering protection and lifting weight over-limit alarm , likely to cause safety accidents.

Contents of the invention

The technical problem to be solved by the present invention is to provide a transformer hoisting device that is easy to assemble and install, light in weight, common in parts, and equipped with steering protection and hoisting overweight alarm.

The technical solution adopted by the present invention to solve the above-mentioned problems is to provide a portable transformer hoisting device, which includes a fixed assembly, a boom and a walking trolley. The fixed assembly includes an upper hoop assembly and a lower hoop assembly; the upper hoop assembly includes a U-shaped hoop and an upper compression plate, the U-shaped hoop is sleeved on the pole, and the upper compression plate passes through Compress the nut to fasten it on the pole; the lower hoop assembly includes a U-shaped upper hoop, a U-shaped lower hoop, a lower compression plate, an upper bottom plate, a lower bottom plate, a shaft screw and a shaft sleeve; the The U-shaped upper hoop and the U-shaped lower hoop are set on the pole, and the lower compression plate is fastened to the pole through the compression nut; the upper bottom plate and the lower bottom plate are welded horizontally and parallel to the lower compression plate On the upper and lower ends, the center positions of the upper base plate and the lower base plate are respectively provided with a hole with the same circle center, the shaft screw passes through the hole, and the sleeve is movably nested between the base plate and the lower base plate on the screw of the rotating shaft; the sleeve is welded with a boom with grooves on both sides of a trolley; the top of the boom away from the pole has a hanging ear, and a cable pull with a tension alarm mechanism in the middle One end of the rope is fixed on the hanging ear through a U-shaped ring, and the other end is fixed on the upper pressing plate of the upper hoop assembly through a wire rope; the boom is equipped with a luffing assembly, which is included in the In the groove on one side of the boom, a hand winch is fixedly installed near one end of the electric pole, and a pulley is installed at the other end of the boom, and a traction rope bypasses the pulley and the hand winch to form a luffing circuit. The walking trolley is fixedly connected to the traction rope through a fastening block; below the lower hoop assembly, a steering assembly is installed, and the steering assembly includes a screw support hinged on the lower bottom plate through a rotating shaft a, and a screw support through a rotating shaft b A support block hinged below the boom, a lead screw engaged and connected in the lead screw support, a handwheel is installed at one end of the lead screw, and the other end is fixed by a circlip so that it can rotate through the support block; A balance arm assembly is installed on the boom, and the balance arm assembly includes a horizontal sleeve a welded on both sides of the boom close to the pole, and two Ω-shaped sleeves coaxial with the shaft sleeve. The rings are respectively plugged into casing a, casing b and casing c through the plugs at both ends, one end of a balance arm is plugged into casing c, and the other end hangs a counterweight box for balancing the boom.

Preferably, the boom is made of T-shaped steel.

Preferably, the tension alarm mechanism is composed of a tension sensor, a control mechanism and an alarm.

Preferably, the hand winch has a self-locking function.

Preferably, the stay rope is a steel wire rope sleeve.

Preferably, the traction rope is a steel wire rope.

Implementing the portable transformer hoisting device of the present invention has the following beneficial effects:

1. The invention is easy to assemble and install, small in size and light in weight after disassembly, and can be conveniently placed on various transportation platforms.

2. The components in the present invention are highly versatile, saving procurement costs. For example, the trolley and the pulley can be used as a pulley block; the hand winch can be fixed to pull heavy objects; the wire rope can be used as a traction rope, the balance arm can be used as a crowbar, and the counterweight box can be a tool box.

3. The invention has its own steering protection function, which prevents the direction of the boom from being fixed when the wind is strong, and prevents the boom from swinging left and right in strong winds, causing safety accidents.

4. The hoisting overweight alarm device of the present invention can accurately measure the hoisting weight, and prevent damage to equipment and accidental injuries of personnel caused by excessive hoisting weight.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in accompanying drawing;

Fig. 1 is a front view structural diagram of a preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of the structure of the lower hoop assembly in the preferred embodiment of the present invention.

Fig. 3 is a schematic diagram of the front view of the steering assembly of the preferred embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a top view of a steering assembly in a preferred embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the front view of the balance arm assembly of the preferred embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a top view of a balance arm assembly in a preferred embodiment of the present invention.

In the attached picture:

1. Pole, 2. Fixing assembly, 21. Upper hoop assembly, 211. U-shaped hoop, 212. Upper pressing plate, 22. Lower hoop assembly, 221U, type upper hoop, 222U, type lower hoop Hoop, 223, lower pressure plate, 224, upper base plate, 225, lower base plate, 226, rotating shaft screw rod, 227, axle sleeve, 3, boom, 31, groove, 32, hanging ear mouth, 41, oblique stay rope, 42. Pull alarm mechanism, 5. Luffing assembly, 51. Hand winch, 52. Pulley, 53. Traction rope, 61. Walking trolley, 62. Fastening block, 7. Steering assembly, 71. Lead screw support, 711, rotating shaft a, 72, hand wheel, 73, support block, 731 rotating shaft b, 74, leading screw, 8, balance arm assembly, 811, casing a, 812, casing b, 813, casing c, 82, Ring, 821, plug, 83, balance arm, 84, counterweight box, 9, chain hoist, 91, manual chain, 10, transformer.

detailed description

The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

As shown in Figure 1, the fixing assembly 2 includes an upper hoop assembly 21 and a lower hoop assembly 22; the upper hoop assembly 21 includes a U-shaped hoop 211 and an upper compression plate 212, and the U-shaped hoop 211 is sleeved on the pole 1, the upper compression plate 212 is fastened on the electric pole 1 by a compression nut.

As shown in Figure 2, the lower hoop assembly 22 includes a U-shaped upper hoop 221, a U-shaped lower hoop 222, a lower compression plate 223, an upper base plate 224, a lower base plate 225, a shaft screw 226 and a shaft sleeve 227; The upper hoop 221 and the U-shaped lower hoop 222 are sleeved on the electric pole 1, and the lower pressing plate 223 is fastened on the electric pole 1 through the pressing nut; the upper bottom plate 224 and the lower bottom plate 225 are welded horizontally and parallel On the upper and lower ends of the pressing plate 223, the center positions of the upper base plate 224 and the lower base plate 225 are respectively provided with holes with the same circle center, and the rotating shaft screw rod 226 passes through the holes, and the axle sleeve 227 is movably sleeved between the base plate 224 and the lower base plate. On the shaft screw rod 226 between the bottom plates 225.

A boom 3 with grooves 31 on both sides of a trolley 61 is welded on the axle sleeve 227; One end of 41 is fixed on the ear opening 32 through a U-shaped ring, and the other end is fixed on the upper pressing plate 212 of the upper hoop assembly 21 through a wire rope clip.

A luffing assembly 5 is installed on the boom 3, and the luffing assembly 5 is included in the slot 31 on one side of the boom 3, a hand winch 51 fixedly installed near one end of the pole 1, and a pulley 52 is installed on the other end of the boom 3 , a traction rope 53 bypasses the pulley 52 and the hand winch 51 forms a luffing circuit, and the walking trolley 61 is fixedly connected with the traction rope 53 through a fastening block 62; when the hand winch 51 is rotated, the traction rope 53 drives the walking The dolly 61 moves along the slot 31, thereby driving the chain hoist 9 hung on the walking and getting off the car 61 to move left and right.

As shown in Fig. 3 and Fig. 4, below the lower hoop assembly 22, a steering assembly 7 is installed, and the steering assembly 7 includes a screw support 71 hinged on the lower base plate 225 through a rotating shaft a711, and hinged on the boom 3 through a rotating shaft b731. The supporting block 73 below has a leading screw 74 that is meshed and connected in the leading screw support 71. A hand wheel 72 is installed at one end of the leading screw 74, and the other end is fixed by a snap spring to pass through the supporting block 73 that can rotate by itself; turn the hand wheel 72 , to drive the lead screw 74 to rotate, because the lead screw support 71 is fixed, the lead screw 74 can drive the support block 73 to drive the angle rotation of the boom 3, and play the role of smooth rotation.

As shown in Figures 5 and 6, a balance arm assembly 8 is installed on the boom 3, and the balance arm assembly 8 includes a horizontal casing a811 welded on both sides of the boom 3 near the end of the pole 1, and a shaft The two Ω-shaped rings 82 of the coaxial line of sleeve 227 are respectively plugged into sleeve a811, b812 and c813 through plugs 821 at both ends, one end of a balance arm 83 is plugged into sleeve c813, and the other A counterweight box 84 for balancing the boom 3 is suspended from one end. The balance arm assembly 8 plays the role of lever balance through the sleeve pipe a and the sleeve pipe b. When the tension alarm mechanism 42 detects that the lifting weight exceeds the limit, the tension of the oblique stay rope 41 can be adjusted by increasing the weight of the counterweight box 84 to improve the lifting capacity. Heavy weight.

In order to achieve convenient transportation and assembly, the boom 3 adopts T-shaped steel with advantages such as strong bending resistance, simple construction, cost saving and light weight.

Specifically, the tension alarm mechanism 42 is composed of a tension sensor, a control mechanism and an alarm. When the tension sensor detects that the tension is greater than a set safety value, the control mechanism controls the alarm to send an alarm signal to notify the operator to adjust the lifting weight.

Specifically, the hand winch 51 has a self-locking function, which can prevent the traveling trolley from moving left and right along the boom 3 at will.

Specifically, the oblique stay rope 41 is a steel wire rope cover, which can be quickly installed on the device and has a wide application range.

Specifically, the traction rope 53 is a thin steel wire rope, and the thin steel wire rope can also be used in various aspects of engineering, so that the parts can be highly applicable.

In summary, it is only a preferred embodiment of the present invention, and is not used to limit the scope of the present invention. Through the above description, relevant workers can make various changes without departing from the scope of the technical idea of the present invention. and modifications. The technical scope of the present invention is not limited to the contents of the description, and all the so-called equivalent changes and modifications according to the shape, structure, characteristics and spirit of the claimed scope of the present invention shall be included in the claimed scope of the present invention.

Claims (6)

1. a kind of portable transformer hanging apparatus, including fixation kit (2), arm (3) and walking dolly (61), its feature exist In：

The fixation kit (2) includes upper hoop component (21) and lower hoop component (22)；

The upper hoop component (21) includes U-shaped anchor ear (211) and upper pressure strip (212), and the U-shaped anchor ear (211) is nested with On electric pole (1), upper pressure strip (212) is secured it within electric pole (1) by clamp nut；

The lower hoop component (22) includes U-shaped upper anchor ear (221), U-shaped lower anchor ear (222), lower pressure strip (223), upper plate (224), lower shoe (225), rotating shaft screw rod (226) and axle sleeve (227)；The U-shaped upper anchor ear (221) and U-shaped lower anchor ear (222) It is nested with electric pole (1), lower pressure strip (223) is secured it within electric pole (1) by clamp nut；The upper plate (224) Under being welded on of lower shoe (225) horizontal parallel in pressure strip (223) upper and lower ends, the upper plate (224) and lower shoe (225) center is respectively provided with the hole of a concentric, and the rotating shaft screw rod (226) passes through from hole, and the axle sleeve (227) can Movable is nested with the rotating shaft screw rod (226) between base plate (224) and lower shoe (225)；

The arm (3) of a two sides trough of belt (31) with walking dolly (61) is welded with the axle sleeve (227)；The arm (3) Top away from electric pole (1) side is provided with hangers mouthful (32), oblique rope (41) one end of a middle tensile force of belt alarm mechanism (42) It is fixed on hangers mouthful (32) by U-shaped ring, the other end is fixed on the upper pressure of the upper hoop component (21) by wire line shoe On tight plate (212)；

Luffing component (5) is installed, the luffing component (5) is included in the groove of the arm (3) side on the arm (3) (31) in, near the hand capstan (51) of electric pole (1) one end fixed installation, in arm (3), the other end is provided with a pulley (52), One pull rope (53) bypasses the pulley (52) and constitutes a luffing loop with hand capstan (51), and the walking dolly (61) passes through One fastening block (62) is mutually fixedly connected with pull rope (53)；

Lower hoop component (22) lower section, is provided with steering assembly (7), and the steering assembly (7) is including by rotating shaft a (711) the leading screw bearing (71) on lower shoe (225) is hinged on, and the branch below arm (3) is hinged on by rotating shaft b (731) Bracer (73), there is the leading screw (74) that an engagement is connected in the leading screw bearing (71), described leading screw (74) one end is provided with handwheel (72), the other end by jump ring fix can rotation through the support block (73)；

Balance arm component (8) is installed, the balance arm component (8) is included on the arm (3) and is close on the arm (3) Respectively it is welded with the sleeve pipe a (811) of a level on the two sides of electric pole (1) one end, and the two Ω shapes of axle sleeve (227) coaxial line are embraced Ring (82) is plugged in sleeve pipe a (811), sleeve pipe b (812) and sleeve pipe c (813) respectively by the plug (821) at two ends, a balance One end of arm (83) is plugged in sleeve pipe c (813), and other end suspension one is used to balance the ballast box (84) of arm (3).

2. portable transformer hanging apparatus as claimed in claim 1, it is characterised in that：The arm (3) uses T-steel structure Into.

3. portable transformer hanging apparatus as claimed in claim 1, it is characterised in that：The pulling force alarm mechanism (42) by Pulling force sensor, controlling organization and alarm composition.

4. portable transformer hanging apparatus as claimed in claim 1, it is characterised in that：Hand capstan (51) the band self-locking Function.

5. portable transformer hanging apparatus as claimed in claim 1, it is characterised in that：The oblique rope (41) is steel wire rope Set.

6. portable transformer hanging apparatus as claimed in claim 1, it is characterised in that：The pull rope (53) is steel wire Rope.