Movable balance type electric hoisting equipment

Abstract

The utility model relates to the technical field of hoisting equipment, and provides movable balance type electric hoisting equipment which comprises a base, universal wheels, a mast support, a balance steel wire rope, an electric dragging device and a load balancing body. A plurality of universal wheels are arranged at the bottom of the base; the mast support is of a cross-shaped structure and comprises a vertical rod and a transverse rod. The electric dragging device comprises a horizontal motor, a hoisting steel wire rope, a pulley assembly and a lifting hook assembly; the rear end of the cross rod and the vertical rod are respectively provided with a pulley assembly; and the other end of the hoisting steel wire rope sequentially bypasses the pulley assembly and then is connected with the lifting hook assembly. The mast support and the electric dragging device are mounted on the base, so that the light component can be hoisted in a narrow space, and the electric hoisting equipment can move in the narrow space through the universal wheels below the base. The mast support and the base are tensioned through the balance steel wire rope, and stability of the mast support is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of hoisting equipment, and in particular relates to a movable balanced electric hoisting equipment. Background Art

[0002] In the related art, the main measure for lifting a large number of light components scattered on the ground is to use a truck crane. After the truck crane spreads out its legs on the ground, it can lift the components on the ground. This method is safe and reliable, but it cannot be used when the site is too small to meet the spread range of the truck crane's legs or the truck crane cannot reach the required lifting area. Therefore, a mobile and lightweight lifting device is needed in a small space. Utility Model Content

[0003] In view of the above problems in the prior art, the present application proposes a movable balanced electric lifting equipment, which is intended to realize the lifting of light components in a small space.

[0004] The utility model proposes a movable balanced electric lifting equipment, comprising: a base, a universal wheel, a mast bracket, a balancing steel wire rope, an electric traction device and a load-balancing body; a plurality of the universal wheels are arranged at the bottom of the base; the mast bracket is a cross-shaped structure, comprising a vertical pole and a horizontal pole fixedly connected; the bottom of the vertical pole is connected to the base; one end of the balancing steel wire rope is connected to the base, and the other end is tightly connected to the front end of the horizontal pole; the electric traction device comprises a horizontal motor, a lifting steel wire rope, a pulley assembly and a hook assembly; the horizontal motor is installed on the base, and the pulley assemblies are respectively arranged on the rear end of the horizontal pole and the vertical pole; one end of the lifting steel wire rope is connected to the horizontal motor, and the other end is connected to the hook assembly after passing through the pulley assemblies on the vertical pole and the horizontal pole in sequence; the load-balancing body is arranged on the base.

[0005] Furthermore, the electric hoisting device also includes a first mast stabilizer that is tilted and symmetrically distributed on both sides of the vertical pole, one end of the first mast stabilizer is connected to the vertical pole, and the other end is connected to the base. The first mast stabilizer enhances the stability of the mast bracket.

[0006] Furthermore, the electric hoisting device further comprises a second mast stabilizer which is arranged obliquely, one end of the second mast stabilizer is connected to the vertical pole, and the other end of the second mast stabilizer is connected to the horizontal pole. The stability of the mast bracket is enhanced by the second mast stabilizer.

[0007] Furthermore, the electric lifting equipment also includes a tie wire rope; the top of the vertical pole is higher than the cross bar; at least two tie wire ropes are connected to the top of the vertical pole, and the other ends of the at least two tie wire ropes are respectively tightened and connected to the front end and the rear end of the cross bar.

[0008] Furthermore, the electric hoisting device also includes an anti-deformation support member; the anti-deformation support member is connected to the connection between the vertical pole and the horizontal pole; the anti-deformation support member is also connected to the connection between the vertical pole and the base. The anti-deformation support member enhances the lateral resistance of the connection of the mast bracket.

[0009] Furthermore, the load-balancing body includes a counterweight block and a vertical steel pipe; the counterweight block is located on the base, and a hole is provided on the counterweight block; the bottom of the vertical steel pipe is connected to the base; and the vertical steel pipe passes through the hole.

[0010] Furthermore, a horizontal telescopic leg assembly is provided on the base; the universal wheel is provided at the bottom of the telescopic leg assembly. By providing the telescopic leg assembly, the anti-overturning capability of the electric lifting equipment is increased, and overweight objects can be lifted.

[0011] Furthermore, the telescopic leg assembly comprises a first telescopic leg and a second telescopic leg that are telescopically matched with each other; the first telescopic leg is telescopically matched with the base; and the second telescopic leg is provided with the universal wheel.

[0012] Furthermore, the electric hoisting device also includes an electric tractor, which is connected to the base. The electric tractor provides a certain traction force to move the loaded electric hoisting device in any direction to avoid the situation where the hoisted object is too heavy and difficult to move.

[0013] Furthermore, a James-type coupler is provided on the base, and the electric tractor is connected to the James-type coupler.

[0014] The beneficial effects of the utility model are as follows: by installing the mast bracket and the electric pulling device on the base, the lifting wire rope of the electric pulling device is passed through the pulley assembly and then connected to the hook assembly, so as to realize the lifting of light components in a narrow space, and the electric lifting equipment is moved in a narrow space through the universal wheel under the base. The mast bracket and the base are tightened by the balance wire rope to ensure the stability of the mast bracket. The lifting equipment of the utility model realizes the lifting of a large number of light components scattered on the ground in a narrow space, and the equipment is light, easy to move, simple in structure and low in cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the movable balanced electric lifting equipment of the utility model.

[0016] Figure 2 for Figure 1 Schematic diagram of the electric tractor structure after being hidden.

[0017] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of the universal wheel.

[0018] Figure 4 for Figure 1 An enlarged structural diagram of the hook assembly.

[0019] In the figure, 1-universal wheel; 1-1-rubber wheel; 1-2-double-disc bearing; 1-3-axle frame; 1-4-ball bearing; 1-5-rotating shaft; 1-6-slot; 1-7-top steel plate;

[0020] 2-1-longitudinal square steel pipe; 2-2-transverse square steel pipe; 3-perforated connecting plate; 4-counterweight; 5-vertical steel pipe; 6-1-transverse channel steel; 6-2-longitudinal channel steel; 7-U-shaped stiffening plate; 8-horizontal motor steel leg; 9-horizontal motor steel cover; 10-horizontal motor shaft; 11-perforated plate; 12-rebar; 13-fixed pulley bracket; 14-pulley; 15-bearing; 16-1# seamless steel pipe; 17-triangular stiffening plate; 18-oblique square steel pipe; 19-connecting plate; 20- Oblique channel steel; 21-2# seamless steel pipe; 22-gate-shaped double-hole steel plate; 23-U-shaped round steel; 24-opening sealing plate; 25-rope clamp; 26-safety bend; 27-1-tie wire rope; 27-2 balance wire rope; 27-3 lifting wire rope; 28-hook body; 29-anti-unhooking device; 30-hook side plate; 31-pin shaft hole; 32-pin shaft; 33-first section telescopic leg; 34-second section telescopic leg; 35-Jam-type coupler; 36-electric traction vehicle; 37-floor. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] like Figure 1-Figure 4 The movable balanced electric lifting equipment shown includes: a base, a universal wheel 1, a mast bracket, a balancing wire rope 27-2, an electric pulling device and a load-bearing balance body.

[0023] The bottom of the base is provided with a plurality of universal wheels 1. The base can also be called a trolley.

[0024] The base includes a horizontally arranged longitudinal square steel tube 2-1 and a transverse square steel tube 2-2; the longitudinal square steel tube 2-1 is placed in the long side direction, and the transverse square steel tube 2-2 is placed in the short side direction. The spacing between adjacent transverse square steel tubes 2-2 is determined by the position of the objects carried on the top thereof. The longitudinal square steel tube 2-1 and the transverse square steel tube 2-2 are welded and connected at a position perpendicular to each other, and the weld surrounds the cross section of the square steel tube.

[0025] like Figure 3 As shown, the universal wheel 1 is composed of a rubber wheel 1-1, a double-disc bearing 1-2, an axle frame 1-3, a ball 1-4, a rotating shaft 1-5, a slot 1-6, and a top steel plate 1-7. The double-disc bearing 1-2 is inserted into the center of the rubber wheel 1-1, and both ends of the double-disc bearing 1-2 are fixed on the axle frame 1-3, so that the rubber wheel 1-1 can roll forward and backward; a cylindrical rotating shaft 1-5 is welded on the top of the double-disc bearing 1-2, which is inserted into the top steel plate 1-7 and forms a rolling contact with the ball 1-4 in the slot 1-6 of the top steel plate 1-7, so that the rubber wheel 1-1, which can only roll forward and backward, can be rotated in all directions horizontally; the top steel plate 1-7 is welded to the bottom surface of the longitudinal square steel tube 2-1 or the transverse square steel tube 2-2 of the base to achieve the mobility of the base.

[0026] The mast bracket is a cross-shaped structure, including a vertical rod and a horizontal rod that are fixedly connected; the bottom of the vertical rod is connected to the base; in this embodiment, Figure 1 As shown, the vertical pole includes two parts, one part is arranged below the cross bar, and the other part is arranged above the cross bar. The cross bar and the vertical pole below the cross bar are made of 1# seamless steel pipe 16, and the vertical pole above the cross bar is made of 2# seamless steel pipe 21. The bottom of 1# seamless steel pipe 16 is vertically connected to the top of the longitudinal square steel pipe 2-1 by welding.

[0027] The electric lifting equipment also includes a tie wire rope 27-1; a gate-shaped double-hole steel plate 22 is welded on the top of the 2# seamless steel pipe 21, and the gate-shaped double-hole steel plate 22 is located on both sides of the 2# seamless steel pipe 21 and is connected to at least one tie wire rope 27-1. The other ends of the tie wire ropes 27-1 on both sides of the 2# seamless steel pipe 21 are connected to the U-shaped round steel 23 located at both ends of the cross bar, and the tie wire ropes 27-1 are kept in a taut state. The two ends of the cross bar, i.e. the front end and the rear end, are also welded and fixed with opening plugging plates 24. The front end of the cross bar is attached Figure 1 The left end of the crossbar is shown, and the rear end of the crossbar is attached Figure 1 Right end of the crossbar shown.

[0028] One end of the balance wire rope 27-2 is connected to the base, and the other end is tightly connected to the front end of the cross bar. Figure 1 , Figure 2As shown, the front end of the base is connected to two perforated connecting plates 3; the two perforated connecting plates 3 are respectively connected to the balancing wire ropes 27-2. The other end of the balancing wire rope 27-2 is tightly connected to the front end of the cross bar, and the two balancing wire ropes 27-2 are symmetrically arranged with the vertical pole as the center.

[0029] The load-balancing body includes a counterweight 4 and a vertical steel pipe 5. The vertical steel pipe 5 is welded at the top of the middle of the two longitudinal square steel pipes 2-1 of the base. The top of the vertical steel pipe 5 should be higher than the top of the top counterweight 4 to prevent the counterweight 4 from falling. When the counterweight 4 is prefabricated, a vertical through hole is reserved in the counterweight 4. The size of the hole is larger than the outer diameter of the vertical steel pipe 5, which is convenient for the fixed counterweight 4 stacked up and down to penetrate.

[0030] The electric lifting equipment also includes an anti-deformation support member; the anti-deformation support member is connected to the connection between the vertical pole and the horizontal pole; the anti-deformation support member is also connected to the connection between the vertical pole and the base. In this embodiment, the anti-deformation support member adopts a triangular stiffening plate 17. The triangular stiffening plates 17 are welded vertically at the connection between the 1# seamless steel pipe 16 and the 2# seamless steel pipe 21 in the mast bracket, the connection between the 1# seamless steel pipe 16 and the longitudinal square steel pipe 2-1 of the base, and the connection between the 1# seamless steel pipe 16 and the opening plugging plate 24 to enhance the lateral resistance of the connection.

[0031] The electric hoisting equipment also includes a first mast stabilizer that is tilted; the first mast stabilizer is symmetrically distributed on both sides of the vertical pole, one end of the first mast stabilizer is connected to the vertical pole, and the other end is connected to the base. In this embodiment, there are two first mast stabilizers, which are symmetrically arranged with the vertical pole of the mast bracket as the center, and each first mast stabilizer includes an oblique square steel pipe 18 and a connecting plate 19. A steel connecting plate 19 is welded on both sides of the vertical pole of the mast bracket, one end of the oblique square steel pipe 18 is welded and fixed to the connecting plate 19, and the other end is welded to the transverse square steel pipe 2-2 of the base to enhance the stability of the mast bracket.

[0032] The electric hoisting device also includes a second mast stabilizer that is tilted, one end of the second mast stabilizer is connected to the vertical pole, and the other end is connected to the horizontal pole to enhance the stability of the mast bracket. The second mast stabilizer includes an oblique channel steel 20. Figure 1 As shown, one end of the oblique channel steel 20 is connected to the horizontal 1# seamless steel pipe 16, and the other end is connected to the vertical 1# seamless steel pipe 16. Among them, the lower end of the oblique channel steel 20 is lower than the upper end of the oblique square steel pipe 18.

[0033] The electric pulling device comprises a horizontal motor, a lifting wire rope 27-3, a pulley assembly and a hook assembly; the horizontal motor is mounted on the base, and the pulley assemblies are respectively arranged at the rear end of the cross bar and the vertical bar; one end of the lifting wire rope 27-3 is connected to the horizontal motor, and the other end is connected to the hook assembly after passing through the vertical bar and the pulley assemblies on the cross bar in turn;

[0034] The horizontal motor is composed of a horizontal motor steel leg 8, a horizontal motor steel cover 9, and a horizontal motor shaft 10. The perforated plate 11 is welded at the horizontal motor shaft 10 as a connecting member between the lifting wire rope 27-3 and the horizontal motor; a channel steel support is arranged between the horizontal motor steel leg 8 and the longitudinal square steel pipe 2-1 of the base, and the adjacent joints are welded; the channel steel support is welded by mutually perpendicular transverse channel steel 6-1 and longitudinal channel steel 6-2, and U-shaped stiffening plates 7 are welded in the webs at both ends and the middle of the longitudinal channel steel 6-2 to increase the resistance of the channel steel support to dynamic loads. The horizontal motor steel cover 9 is also connected to the vertical pole through two steel bars 12.

[0035] The pulley assembly comprises a fixed pulley bracket 13, a pulley 14, and a bearing 15. The fixed pulley bracket 13 is welded and fixed to the top surface of the longitudinal square steel pipe 2-1 of the base and the pipe wall of the vertical pole in the mast bracket.

[0036] The hook assembly includes a hook body 28 , an anti-unhooking device 29 and a hook side plate 30 .

[0037] There are two hook bodies 28, the top of one of the hook bodies 28 hooks the opening sealing plate 24, which is fixed by the bearing 15 and the pulley 14 in the hook side plate 30, and a movable anti-unhooking device 29 is set between the hook side plate 30 and the hook body 28 to prevent the hook body 28 from detaching from the opening sealing plate 24.

[0038] The lifting wire rope 27-3 is fixed on the perforated plate 11 welded on the horizontal motor shaft 10. After passing around the pulley 14 on the vertical pole, it passes around the pulley 14 on the hook body 28 at the end of the crossbar and then suspends another hook body 28, so that the horizontal traction force generated by the horizontal motor can be changed into a vertical lifting traction force.

[0039] In this embodiment, the tie wire rope 27-1, the balance wire rope 27-2, and the lifting wire rope 27-3 are all provided with rope clamps 25 and safety bends 26, and a safety bend 26 is provided between two adjacent rope clamps 25 at the end. It is ensured that the tie wire rope 27-1, the balance wire rope 27-2, and the lifting wire rope 27-3 can be visually checked if they slip under tension.

[0040] The base is provided with a horizontal telescopic leg assembly; the bottom of the telescopic leg assembly is provided with the universal wheel 1. Specifically, the telescopic leg assembly includes a first telescopic leg and a second telescopic leg that are telescopically matched; the first telescopic leg is telescopically matched with the base; the second telescopic leg is provided with the universal wheel 1.

[0041] Pin holes 31 of a certain spacing and size are opened in the middle of the side walls of the transverse square steel tube 2-2, the longitudinal square steel tube 2-1 and the telescopic leg assembly of the base. Adjacent pin holes 31 must be located at the same height to ensure that the telescopic leg assembly is in a horizontal state; the second section of the telescopic leg 34 is inserted into the first section of the telescopic leg 33, and the first section of the telescopic leg 33 is inserted into the corresponding transverse square steel tube 2-2 and longitudinal square steel tube 2-1 of the base. The position of the telescopic leg assembly is based on ensuring that the hoisting balance will not overturn. After the pin holes 31 of the telescopic leg assembly correspond to the pin holes 31 of the transverse square steel tube 2-2 and longitudinal square steel tube 2-1 of the base, the pins 32 are then inserted into the corresponding pin holes 31 to fix the telescopic leg assembly and increase the lifting weight; when the lifting weight is lighter, the telescopic leg assembly does not need to be extended.

[0042] The electric lifting equipment also includes an electric tractor 36; the electric tractor 36 is connected to the base. A James-type hook 35 is provided on the base, and the electric tractor 36 is connected to the James-type hook 35. When the lifting weight is large, the electric lifting equipment cannot be pushed manually, and the James-type hook 35 at the tail of the electric tractor 36 is connected to the James-type hook 35 of the base to provide a strong traction force, so that the trolley can move in any direction under a large load.

[0043] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A movable balanced electric lifting device, characterized in that: include: Base, universal wheel, mast bracket, balancing wire rope, electric pulling device and load-bearing balance body; A plurality of universal wheels are arranged at the bottom of the base; The mast bracket is a cross-shaped structure, including a vertical pole and a horizontal pole that are fixedly connected; the bottom of the vertical pole is connected to the base; one end of the balance wire rope is connected to the base, and the other end is tensioned and connected to the front end of the horizontal pole; the electric traction device includes a horizontal motor, a lifting wire rope, a pulley assembly and a hook assembly; the horizontal motor is installed on the base, and the pulley assemblies are respectively provided on the rear end of the horizontal pole and the vertical pole; one end of the lifting wire rope is connected to the horizontal motor, and the other end is connected to the hook assembly after passing through the pulley assemblies on the vertical pole and the horizontal pole in turn; the load-balancing body is arranged on the base.

2. The movable balanced electric hoisting equipment according to claim 1, characterized in that: The electric hoisting device also includes a first mast stabilizer that is tilted; the first mast stabilizer is symmetrically distributed on both sides of the vertical pole, one end of the first mast stabilizer is connected to the vertical pole, and the other end is connected to the base.

3. The movable balanced electric hoisting equipment according to claim 1, characterized in that: The electric hoisting device also includes a second mast stabilizer that is arranged obliquely, wherein one end of the second mast stabilizer is connected to the vertical pole, and the other end of the second mast stabilizer is connected to the horizontal pole.

4. The movable balanced electric hoisting equipment according to claim 1, characterized in that: The electric lifting equipment also includes a tie wire rope; the top of the vertical pole is higher than the cross bar; at least two tie wire ropes are connected to the top of the vertical pole, and the other ends of the at least two tie wire ropes are respectively tightened and connected to the front end and the rear end of the cross bar.

5. The movable balanced electric hoisting equipment according to claim 1, characterized in that: The electric hoisting device also includes an anti-deformation support member; the anti-deformation support member is connected to the connection between the vertical pole and the horizontal pole; the anti-deformation support member is also connected to the connection between the vertical pole and the base.

6. The movable balanced electric hoisting equipment according to claim 1, characterized in that: The load-balancing body includes a counterweight block and a vertical steel pipe; the counterweight block is located on the base, and a hole is provided on the counterweight block; the bottom of the vertical steel pipe is connected to the base; and the vertical steel pipe passes through the hole.

7. The movable balanced electric hoisting device according to claim 1, characterized in that: A horizontal telescopic leg assembly is arranged on the base; and the universal wheel is arranged at the bottom of the telescopic leg assembly.

8. The movable balanced electric hoisting device according to claim 7, characterized in that: The telescopic leg assembly comprises a first telescopic leg and a second telescopic leg that are telescopically matched with each other; the first telescopic leg is telescopically matched with the base; and the second telescopic leg is provided with the universal wheel.

9. The movable balanced electric hoisting device according to claim 1, characterized in that: The electric lifting equipment also includes an electric tractor; the electric tractor is connected to the base.

10. The movable balanced electric hoisting device according to claim 9, characterized in that: A James-type coupler is arranged on the base, and the electric tractor is connected to the James-type coupler.

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