CN211198404U - A detachable rotating crane - Google Patents

Abstract

The utility model relates to the technical field of tower cranes, and specifically discloses a detachable rotary crane, an installation base, a hydraulic pump station system installation plate and a boom, the installation base and the hydraulic pump station system installation plate constitute an installation part of the rotary crane, And the mounting part is provided with mounting holes, a slewing mechanism is provided between the mounting base and the hydraulic pump station system mounting plate, and the boom includes a basic arm and a telescopic arm; the beneficial effects of the utility model are: 1. Some components are of lightweight design, and the weight of each component does not exceed 400KG; 2. The disassembly and assembly of each component is simple and convenient, and the disassembly and assembly can be completed with the cooperation of two people. It is very beneficial for dismantling, handling, transfer, etc.; 3. Loading and unloading goods at a fixed position, with its own motor to provide power, without occupying fuel power equipment, effectively converting electrical energy into kinetic energy, saving energy and reducing costs.

Description

A detachable rotating crane

technical field

The utility model relates to the field of tower cranes, in particular to a detachable rotary crane.

Background technique

In recent years, with the vigorous development of aerial work, various aerial work vehicles, tower cranes and crawler cranes continue to emerge. From the perspective of the development of the tower crane industry, the industry is highly related to the national economy and construction/real estate. The development trend of the real estate industry is of certain scientific significance in terms of the development of the tower crane industry. In 2010, China's economy continued its upward trend since 2009, laying a good foundation for the development of various industries. The real estate industry has rebounded rapidly, and the tower crane industry has also experienced significant growth. rise.

Therefore, a detachable rotary crane is required to meet the current situation. Although a variety of rotary cranes have been produced, there are still a lot of problems. First, the purchase cost of the existing rotary crane is relatively high. As a result, its practicability has been reduced to a certain extent. Second, the existing crawler cranes are flexible and convenient, but they are limited by corridors, door frames, etc., and cannot reach the job site as expected. Third, the existing tower cranes are mainly used for large-scale infrastructure construction. At the scene, although the vertical height of the hoisting is large, the construction is time-consuming and labor-intensive. Fourth, the existing aerial work trucks have limited arm lengths and are mainly manned.

Utility model content

The purpose of the present utility model is to provide a detachable rotating crane to solve the problem that the existing rotating crane only uses a telescopic mechanism to prevent the transmission line tower from overturning, which is easy to cause the tower to be broken by external force.

To achieve the above object, the utility model provides the following technical solutions:

A detachable rotating crane includes a mounting base, a hydraulic pump station system mounting plate and a boom, the mounting base and the hydraulic pump station system mounting plate constitute an mounting portion of the rotating crane, and the mounting portion is provided with mounting holes, and the A slewing mechanism is arranged between the installation base and the hydraulic pump station system installation plate, and the boom includes a basic arm and a telescopic arm;

The slewing mechanism is connected with a central rotary joint, and the central rotary joint is connected with a central column assembly, and the central column assembly is connected with the mounting base and the hydraulic pump station system installation plate by bolts. A boom is connected to the top of the boom, a luffing oil tank is connected between the center column assembly and the boom through bolts, a balance valve is provided on the luffing tank, and the right end of the basic arm is connected to the center through the first pin shaft. The column assembly is rotatably connected, the left end of the basic arm is provided with a second pin shaft, the basic arm is provided with a telescopic arm in parallel, and the end of the right side of the basic arm is provided with a fixed pulley hoisting arm head, so The bottom end of the fixed pulley hoisting arm head is connected with a movable pulley hoisting hook, and the front and rear sides of the basic arm are respectively connected with a first telescopic oil cylinder, a second telescopic oil cylinder and a third telescopic oil cylinder. The hydraulic pump station A first oil tank and an electric motor are installed on the system installation plate, and the first oil tank is located on the left side of the center column assembly, and the electric motor and the first oil tank are arranged side by side, and the hydraulic pump station system installation plate is provided with bolts A custom 3 ton hoist was installed and the base arm was provided with pulleys.

As a further scheme of the present invention: one end of the boom is hinged with the mounting part of the central column assembly through bolts, and a lifting oil cylinder is arranged below the boom, one end of the lifting cylinder is hinged with the boom, and the other end is connected with the boom. The center pillar mounting hole pin is hinged.

As a further scheme of the present invention: one end of the basic arm is hinged with the central column assembly, the other end is provided with a sliding hole, one end of the telescopic arm extends into the sliding hole and slides with the sliding hole, and the other end and the basic arm are provided with a useful Hydraulic cylinder for controlling the telescopic boom.

As a further solution of the present utility model: the telescopic arm comprises a first telescopic arm, a second telescopic arm, a third telescopic arm and a hand-pulled jib arranged in sequence, the first telescopic arm is located in the boom and is connected with the boom Sliding fit, the second telescopic arm is located in the first telescopic arm and slides with the first telescopic arm, the third telescopic arm is located in the second telescopic arm and slides with the second telescopic arm, the hand pull pair The arm is located in the third telescopic arm and slidingly cooperates with the third telescopic arm, and the hydraulic cylinder is a multi-stage hydraulic cylinder, which is used to control the expansion and contraction of the first telescopic arm, the second telescopic arm and the third telescopic arm. The hand-pulled jib is Manual push-pull arm, the hand-pull jib and the third telescopic arm are hinged through the installation hole pin shaft, and the manual push-pull control hand-pull jib.

As a further scheme of the present utility model: the customized 3-ton hoist, the hoisting arm head of the fixed pulley and the hoisting hook of the movable pulley constitute the hoisting mechanism of the rotary hoist, and the hoisting arm head of the fixed pulley is connected to the hand-pulled pair through the installation pin shaft. The arm is hinged, and the hoisting hook of the movable pulley is wound and connected to the customized 3-ton hoist and the head of the hoisting arm of the fixed pulley through the wire rope.

As a further scheme of the present utility model: the customized 3-ton hoist provides power rotation through the hydraulic system, and the wire rope pulls the movable pulley hoist hook through the fixed pulley hoisting arm head to achieve ascending and descending.

Compared with the prior art, the beneficial effect of the utility model is that the boom can be rotated under the driving of the hoisting cylinder, so as to adjust the angle between the boom and the horizontal plane, so as to achieve low-altitude fetching, high-altitude fetching, and other items. The boom can also cooperate with the hoist to achieve high-altitude hoisting through wire ropes, improve work efficiency, improve safety, occupy a small space, and can work in a narrow space without the need to use other hoisting equipment, hoists Each part of the components is lightweight design, the weight of each component does not exceed 400KG, the disassembly and assembly of each component is simple and convenient, and two people can cooperate to complete the disassembly and assembly operation. It is very beneficial for dismantling, handling, transfer, etc., loading and unloading goods at a fixed position, providing power with its own motor, without occupying fuel power equipment, effectively converting electrical energy into kinetic energy, saving energy and reducing costs.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present utility model. Some examples of novelty.

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

Figure 2 is a schematic side view of the utility model;

Figure 3 is a schematic top view of the utility model.

In the picture: 1-Installation base, 2-Rotary mechanism, 3-Center rotary joint, 4-Luffing cylinder, 5-Balance valve, 6-Central column assembly, 7-First pin, 8-Second pin , 9-basic arm, 10-first telescopic arm, 11-second telescopic arm, 12-third telescopic arm, 13-hand-pulled jib, 14-fixed pulley hoisting arm head, 15-moving pulley hoisting hook , 16- the first telescopic oil cylinder, 17- the second telescopic oil cylinder, 18- the third telescopic oil cylinder, 19- the first oil tank, 20- electric motor, 21- customized 3-ton winch, 22- pulley.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

Please refer to FIGS. 1-3. In one embodiment of the present invention, a detachable rotary crane includes a mounting base 1, a hydraulic pump station system mounting plate and a boom. The mounting base 1 is installed with the hydraulic pump station system. The plate constitutes the installation part of the rotary crane, and the installation part is provided with installation holes, a slewing mechanism 2 is arranged between the installation base 1 and the installation plate of the hydraulic pump station system, and the suspension arm includes a basic arm 9 and a telescopic arm;

The rotary mechanism 2 is connected with a central rotary joint 3, and the central rotary joint 3 is connected with a central column assembly 6, and the central column assembly 6 is connected with the mounting base 1 and the hydraulic pump station system mounting plate by bolts, The top of the center column assembly 6 is connected with a boom, and a luffing oil tank 4 is connected between the center pillar assembly 6 and the boom through bolts, and a balance valve 5 is provided on the luffing tank 4. The right end of the basic arm 9 is rotatably connected with the central column assembly 6 through the first pin shaft 7, the left end of the basic arm 9 is provided with a second pin shaft 8, and the basic arm 9 is provided with a telescopic arm in parallel. The right end point of the basic arm 9 is provided with a fixed pulley hoisting arm head 14, the bottom end of the fixed pulley hoisting arm head 14 is connected with a movable pulley hoisting hook 15, and the front and rear sides of the basic arm 9 are respectively connected. A first telescopic oil cylinder 16, a second telescopic oil cylinder 17 and a third telescopic oil cylinder 18 are provided, and a first oil tank 19 and an electric motor 20 are mounted on the hydraulic pump station system mounting plate, and the first oil tank 19 is located in the center column. The electric motor 20 and the first oil tank 19 are arranged side by side, the hydraulic pump station system mounting plate is provided with a custom-made 3-ton hoist 21 by bolts, and the basic arm 9 is provided with a pulley 22.

Further, in the embodiment of the present invention, one end of the boom is hinged with the mounting part of the center column assembly 6 through bolts, and a lifting oil cylinder is arranged below the boom, and one end of the lifting cylinder is hinged with the boom. , and the other end is hinged with the pin shaft of the center column mounting hole to realize the tight connection between the components.

Further, in the embodiment of the present invention, one end of the basic arm 9 is hinged with the center column assembly 6, and the other end is provided with a sliding hole, one end of the telescopic arm extends into the sliding hole and slides with the sliding hole, and the other end is connected with the basic arm. A hydraulic cylinder for controlling the telescopic boom is arranged between the arms 9, so that the components are closely matched.

Further, in the embodiment of the present invention, the telescopic arm includes a first telescopic arm 10, a second telescopic arm 11, a third telescopic arm 12 and a hand-pulled auxiliary arm 13 arranged in sequence, and the first telescopic arm 10 is located in the crane The second telescopic arm 11 is located in the first telescopic arm 10 and slidably matched with the first telescopic arm 10, and the third telescopic arm 12 is located in the second telescopic arm 11 and cooperates with the first telescopic arm 10. The two telescopic arms 11 are slidably matched, the hand-pulled auxiliary arm 13 is located in the third telescopic arm 12 and is in sliding cooperation with the third telescopic arm 12 , and the hydraulic cylinder is a multi-stage hydraulic cylinder for controlling the first telescopic arm 10 and the third telescopic arm 12 When the second telescopic arm 11 and the third telescopic arm 12 are telescopic, the hand-pulled jib 13 is a manual push-pull arm. The hand-pulled jib 13 and the third telescopic arm 12 are hinged through the installation hole pin shaft, and the manual push-pull controls the hand-pull jib 13. Keep controls organized.

Further, in the embodiment of the present invention, the customized 3-ton hoist 21, the fixed pulley hoisting arm head 14 and the movable pulley hoisting hook 15 constitute the hoisting mechanism of the rotary hoist, and the fixed pulley hoisting arm head 14 passes through the hoisting mechanism. The installation pin is hinged with the hand-pulled jib 13, and the movable pulley hoisting hook 15 is wound and connected with the customized 3-ton hoist 21 and the fixed pulley hoisting arm head 14 through the wire rope to realize the hoisting of heavy objects.

Further, in the embodiment of the present invention, the customized 3-ton hoist 21 provides power to rotate through the hydraulic system, and the wire rope pulls the pulley hoist hook 15 through the fixed pulley hoisting arm head 14 to achieve ascending and descending. receive.

Working principle: After the crane is transported to the work site and assembled, first insert the upper pipe or square wooden bar into the four square holes of the mounting base 1, press enough counterweight, then connect the power distribution cabinet, the motor starts, and drives the oil pump. Working, high-pressure oil reaches the quadruple multi-way operation valve through the oil pipe, the multi-way valve is connected to the luffing cylinder 4, the first telescopic oil cylinder 16 (the telescopic oil cylinder is connected in series), the oil inlet and outlet of the slewing mechanism and the hoist, control many The road valve realizes the change of the luffing angle of the crane, the telescopic movement of the boom, the rotation and the lifting and lowering of the goods, and the lifting operation is realized through the combination of various actions.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description in the specification and the drawings, and the specific connection methods of each part can be made of mature bolts, rivets, etc. in the prior art. Conventional means such as welding are not described in detail here.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (6)

1. A detachable rotary crane, comprising a mounting base (1), a hydraulic pump station system mounting plate and a boom, characterized in that the mounting base (1) and the hydraulic pump station system mounting plate constitute the installation of the rotary crane The installation part is provided with installation holes, a slewing mechanism (2) is arranged between the installation base (1) and the hydraulic pump station system installation plate, and the boom includes a basic arm (9) and a telescopic arm; The rotary mechanism (2) is connected with a central rotary joint (3), the central rotary joint (3) is connected with a central column assembly (6), and the central column assembly (6) is connected to the mounting base (1). ), the hydraulic pump station system mounting plate is connected by bolts, a boom is connected to the top of the center column assembly (6), and a luffing oil tank ( 4), the luffing oil tank (4) is provided with a balance valve (5), and the right end of the basic arm (9) is rotatably connected to the center column assembly (6) through the first pin (7), so The left end of the basic arm (9) is provided with a second pin shaft (8), the basic arm (9) is provided with a telescopic arm in parallel, and the right end of the basic arm (9) is provided with a fixed pulley winch The arm head (14), the bottom end of the fixed pulley hoisting arm head (14) is connected with a movable pulley hoisting hook (15), and the front and rear sides of the basic arm (9) are respectively connected with a first telescopic oil cylinder (16), a second telescopic oil cylinder (17) and a third telescopic oil cylinder (18), a first oil tank (19) and an electric motor (20) are mounted on the hydraulic pump station system mounting plate, and the first oil tank ( 19) It is located on the left side of the center column assembly (6), and the electric motor (20) and the first oil tank (19) are arranged side by side, and the hydraulic pump station system mounting plate is provided with a custom-made 3-ton hoist ( 21), a pulley (22) is provided on the basic arm (9). 2. A detachable rotary crane according to claim 1, wherein one end of the boom is hinged with the mounting part of the central column assembly (6) by bolts, and a hoist is provided below the boom One end of the hoisting oil cylinder is hinged with the boom, and the other end is hinged with the pin shaft of the center column mounting hole. 3. The rotary crane according to claim 2, wherein one end of the basic arm (9) is hinged with the central column assembly (6), the other end is provided with a sliding hole, and one end of the telescopic arm extends into the sliding hole It is slidingly matched with the sliding hole, and a hydraulic cylinder for controlling the telescopic boom is arranged between the other end and the basic arm (9). The detachable rotary crane according to claim 1, wherein the telescopic arm comprises a first telescopic arm (10), a second telescopic arm (11), and a third telescopic arm (12) arranged in sequence ) and a hand-pulled jib (13), the first telescopic arm (10) is located in the boom and is slidably matched with the boom, and the second telescopic arm (11) is located in the first telescopic arm (10) and is connected with the boom The first telescopic arm (10) is slidably fitted, the third telescopic arm (12) is located in the second telescopic arm (11) and is slidably fitted with the second telescopic arm (11), and the hand-pulled auxiliary arm (13) is located in the second telescopic arm (11) The third telescopic arm (12) is in sliding fit with the third telescopic arm (12), and the hydraulic cylinder is a multi-stage hydraulic cylinder, which is used to control the first telescopic arm (10), the second telescopic arm (11), the third telescopic arm (11) and the third telescopic arm (12). The telescopic arm (12) is telescopic, the hand-pulled jib (13) is a manual push-pull arm, the hand-pulled jib (13) and the third telescopic arm (12) are hinged through the installation hole pin shaft, and the manual push-pull control of the hand-pulled jib ( 13). 5. A detachable rotary crane according to claim 1, characterized in that the customized 3-ton winch (21), the fixed pulley winch arm head (14) and the movable pulley winch hook (15) constitute the The hoisting mechanism of the rotary hoist, the fixed pulley hoisting arm head (14) is hinged with the hand-pulled jib (13) through the installation pin, and the movable pulley hoisting hook (15) is connected to the customized 3-ton hoist (21) and The fixed pulley hoisting arm head (14) is wound and connected. 6. A detachable rotary crane according to claim 5, wherein the customized 3-ton hoist (21) provides power to rotate through a hydraulic system, and the wire rope pulls the moving pulley through the fixed pulley hoisting arm head (14). The lifting hook (15) realizes ascending and descending.

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