CN209872183U - Gravity-center self-adaptive balance tower crane hoisting device - Google Patents

Abstract

The utility model discloses a center-of-gravity adaptive balancing tower crane hoisting device, which comprises a tower crane body and a hoisting device. The upper end of the tower crane body is connected with the bottom of the hoisting device. Arm, control room and tower top. The hoisting device is composed of a sling, a mobile crane, a hook, a pulley block, a cable and a counterweight mobile device. The counterweight mobile device is set on the balance arm. The first counterweight block of the counterweight mobile device Both the counterweight and the second counterweight are U-shaped, and the first counterweight, the second counterweight and the third counterweight are connected to each other. The counterweights are provided with two threaded holes and a sliding hole. The threaded holes The inner matching thread is connected with a threaded rod and is driven by a motor, and the slide hole is slidably connected with a load-bearing sliding rod. The center-of-gravity self-adaptive balancing tower crane hoisting device can realize self-adaptation of the center of gravity by improving the cooperation of the weight sensing device and the motor, and can realize rapid and flexible balance of the tower crane because each counterweight can move rapidly independently.

Description

A center of gravity self-adaptive balance tower crane hoisting device

technical field

The utility model relates to the technical field of tower cranes, in particular to a center-of-gravity adaptive balancing tower crane hoisting device.

Background technique

Tower cranes, namely tower cranes, originated in Europe. The working space is large, and it is mainly used for the vertical and horizontal transportation of materials and the installation of building components in house construction, which greatly reduces the labor intensity of workers and improves work efficiency. However, the end of the balance arm of the existing tower crane The counterweight balancing moving method of the counterweight is too bulky, and due to the heavy weight of the counterweight, this balancing moving method consumes more energy and has poor flexibility.

Utility model content

The purpose of the utility model is to provide a center-of-gravity self-adaptive balancing tower crane hoisting device, which achieves the effects of self-adaptive center of gravity and fast and flexible balance.

In order to achieve the above purpose, the utility model provides the following technical solutions: a center of gravity adaptive balance tower crane hoisting device, including a tower crane body and a hoisting device, the upper end of the tower crane body is connected to the bottom of the hoisting device;

The tower crane body is composed of a fixed base, a bracket, a load-bearing arm, a balance arm, a control room, a slewing mechanism, a jacking mechanism and a tower top. The bottom end of the tower crane body is a fixed base, and the fixed base is fixedly connected to On the ground, and the upper end of the fixed base is fixedly connected with a bracket, the top side of the bracket is provided with a control room, a turning mechanism is set between the bottom of the control room and the top of the bracket, and the bottom of the turning mechanism is set A jacking mechanism, and the jacking mechanism is sleeved on the outside of the upper end of the bracket, the top right side of the bracket is fixedly connected with a load-bearing arm, the top left side of the bracket is fixedly connected with a balance arm, and the balance arm A tower top is fixedly connected above the top;

The hoisting device is composed of a suspension rope, a mobile crane, a hook, a pulley block, a cable and a counterweight mobile device. The lower end of the load-bearing arm is provided with a mobile crane, and the lower end of the mobile crane is connected with a suspension rope. The bottom end is provided with a hook, and the top of the tower crane body is provided with a pulley block, which connects the tower top, the mobile crane, the front end of the load-bearing arm and the counterweight mobile device through cables, and the counterweight mobile device is arranged on the balance arm.

Preferably, both the upper end of the balance arm and the left side of the control room are fixedly connected with a guardrail.

Preferably, the counterweight moving device is composed of a first counterweight, a second counterweight, a third counterweight, a threaded rod, a load-bearing slider and a motor, and the first counterweight and the second counterweight The blocks are all U-shaped, and the second counterweight is socketed on the outside of the third counterweight, the first counterweight is socketed on the outside of the second counterweight, and the first counterweight 1. The second counterweight and the third counterweight are each provided with two threaded holes and a sliding hole, and the threaded holes are matched with threaded rods, the threaded rods are driven by a motor, and slide in the sliding holes Connected with a load-bearing slide bar.

Preferably, there is a certain gap between the first counterweight, the second counterweight and the third counterweight.

Preferably, the threaded rods on the first counterweight, the second counterweight and the third counterweight can all rotate independently.

Preferably, the hook is provided with a weight sensor, and the weight sensor is electrically connected to the motor.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The center of gravity self-adaptive balancing tower crane hoisting device can achieve the purpose of fast balancing of the tower crane through mutually independent and fast and stable counterweights. Because the counterweight of the traditional tower crane moves as a whole or moves horizontally between the counterweights, the process of balancing the counterweight of the tower crane is too cumbersome, which reduces the efficiency of building lifting. The method of connecting the counterweights to each other can make each counterweight move independently, and the moving distance of each counterweight can be the preset moving arm distance of the balance arm. In addition, the mutual socketing of the counterweights can also Avoid stability problems caused by uneven weight on both sides of the balance arm.

(2) The self-adaptive center of gravity balance tower crane hoisting device realizes the purpose of self-adaptation of the center of gravity of the tower crane by electrically connecting the motor with a weight sensor. The weight sensor detects the quality of the hoisted items, and the motor rotates to move the counterweight to achieve load The arm and the balance arm balance each other.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the utility model counterweight moving device;

Fig. 3 is a schematic diagram of the front structure of the counterweight of the utility model.

In the figure: 1 tower crane body, 101 fixed base, 102 bracket, 103 load-bearing arm, 104 balance arm, 105 control room, 106 slewing mechanism, 107 jacking mechanism, 108 tower top, 109 guardrail, 2 hoisting device, 201 crane Rope, 202 mobile crane, 203 hook, 2031 weight sensor, 204 pulley block, 205 cable, 206 counterweight moving device, 2061 first counterweight, 2062 second counterweight, 2063 third counterweight, 2064 threaded rod , 2065 weighing slide bar, 2066 motor.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a center of gravity adaptive balance tower crane hoisting device, including a tower crane body 1 and a hoisting device 2, the upper end of the tower crane body 1 and the bottom of the hoisting device 2 connect.

The tower crane body 1 is composed of a fixed base 101, a bracket 102, a load-bearing arm 103, a balance arm 104, a control room 105, a slewing mechanism 106, a jacking mechanism 107 and a tower top 108. The bottom end of the tower crane body 1 is a fixed base 101, The fixed base 101 is fixedly connected to the ground, and the upper end of the fixed base 101 is fixedly connected with a bracket 102, the top side of the bracket 102 is provided with a control room 105, and the upper end of the balance arm 104 and the left side of the control room 105 are fixedly connected with a guardrail 109. When workers are working at high altitudes, the high-altitude wind is strong, and the protective fence 109 can play a certain role in safety protection to avoid accidents. A rotary mechanism 106 is arranged between the bottom of the control room 105 and the top of the bracket 102. The rotary mechanism The bottom of 106 is provided with a jacking mechanism 107, and the jacking mechanism 107 is sleeved on the outer side of the upper end of the bracket 102, the top right side of the bracket 102 is fixedly connected with the load-bearing arm 103, and the top left side of the bracket 102 is fixedly connected with the balance arm 104, Moreover, a tower top 108 is fixedly connected above the top end of the balance arm 104 .

Lifting device 2 is made up of suspension rope 201, mobile crane 202, hook 203, block pulley 204, cable 205 and counterweight moving device 206, and the lower end of bearing arm 103 is provided with mobile crane 202, and the lower end of mobile crane 202 is connected with suspension rope 201, The bottom end of the suspension rope 201 is provided with a hook 203, and the hook 203 is provided with a weight sensor 2031. The weight sensor 2031 is electrically connected to the motor 2066, and the weight sensor 2031 is electrically connected to the motor 2066 to realize the purpose of self-adaptation of the center of gravity of the tower crane. The weight sensor 2031 detects the quality of the hoisted item, and the motor 2066 rotates to move the counterweight to achieve mutual balance between the load-bearing arm 103 and the balance arm 104. A pulley block 204 is arranged above the tower crane body 1, and the pulley block 204 is connected to the tower top 108 through a cable 205. , the mobile crane 202 , the front end of the bearing arm 103 and the counterweight mobile device 206 , and the counterweight mobile device 206 is arranged on the balance arm 104 .

The counterweight mobile device 206 is made up of the first counterweight 2061, the second counterweight 2062, the third counterweight 2063, threaded rod 2064, load-bearing slide bar 2065 and motor 2066, the first counterweight 2061 and the second counterweight The weights 2062 are U-shaped, and the second counterweight 2062 is socketed on the outside of the third counterweight 2063, the first counterweight 2061 is socketed on the outside of the second counterweight 2062, and the first counterweight 2062 is socketed on the outside of the second counterweight 2062. 2061, there is a certain gap between the second counterweight 2062 and the third counterweight 2063, the first counterweight 2061, the second counterweight 2062 and the third counterweight 2063 are each provided with two threaded holes and a Sliding holes, threaded rods 2064 are connected to the matching threads in the threaded holes, and the threaded rods 2064 are driven by a motor 2066. The threaded rods 2064 on the first counterweight 2061, the second counterweight 2062 and the third counterweight 2063 can be independent Rotate, and the slide hole is slidably connected with load-bearing slide bar 2065. After the weight sensor 2031 detects the quality of the hoisted goods, when it is necessary to carry out counterweight movement balance to the tower crane, there are multiple motors 2066, which can rotate the threaded rod 2064, and then the first counterweight 2061, the second counterweight 2062 and the third counterweight 2063 independently and quickly move along the threaded rod 2064, and when moving, the load-bearing slide bar 2065 can make the counterweight move horizontally stably. Each counterweight can be moved independently by using the mutual socketing of the counterweights, and the moving distance of each counterweight can be the preset moving arm distance of the balance arm 104. In addition, the mutual socketing of the counterweights can also The stability problem caused by the different weights on both sides of the balance arm 104 is avoided.

The electrical components appearing in this article are all connected with the external main controller and 220V mains electricity, and the main controller can be a conventional known device that plays a control such as a computer.

During use, the jacking mechanism 107 of the tower crane body 1 can raise the height of the tower crane body 1, and the slewing mechanism 106 can rotate the load-bearing arm 103, the balance arm 104 and the control room 105 in the horizontal plane, the suspension rope 201, the mobile crane 202, The hook 203, the pulley block 204 and the cable 205 cooperate with each other to lift the goods up and down, and the omnidirectional movement and hoisting of the goods can be realized by moving the crane 202 and the slewing mechanism 106. After the weight sensor 2031 detects the quality of the hoisted goods, when it is necessary to carry out counterweight movement balance to the tower crane, there are multiple motors 2066, which can rotate the threaded rod 2064, and then the first counterweight 2061, the second counterweight 2062 and the third counterweight 2063 independently and quickly move along the threaded rod 2064, and when moving, the load-bearing slide bar 2065 can make the counterweight move horizontally stably. Each counterweight can be moved independently by using the mutual socketing of the counterweights, and the moving distance of each counterweight can be the preset moving arm distance of the balance arm 104. In addition, the mutual socketing of the counterweights can also The stability problem caused by the different weights on both sides of the balance arm 104 is avoided.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a balanced tower machine hoist device of focus self-adaptation, includes tower machine body (1) and hoist device (2), its characterized in that: the upper end of the tower crane body (1) is connected with the bottom of the hoisting device (2);

the tower crane body (1) consists of a fixed base (101), a support (102), a bearing arm (103), a balance arm (104), an operation chamber (105), a swing mechanism (106), a jacking mechanism (107) and a tower top (108), the bottom end of the tower crane body (1) is the fixed base (101), the fixed base (101) is fixedly connected on the ground, the upper end of the fixed base (101) is fixedly connected with the support (102), the operation chamber (105) is arranged on the side surface of the top end of the support (102), the swing mechanism (106) is arranged between the bottom of the operation chamber (105) and the top end of the support (102), the jacking mechanism (107) is arranged below the swing mechanism (106), the jacking mechanism (107) is sleeved outside the upper end of the support (102), the bearing arm (103) is fixedly connected to the right side of the top end of the support (102), a balance arm (104) is fixedly connected to the left side of the top end of the support (102), and a tower top (108) is fixedly connected above the top end of the balance arm (104);

hoist device (2) comprise lifting rope (201), mobile crane (202), couple (203), assembly pulley (204), hawser (205) and counter weight mobile device (206), the lower extreme of bearing arm (103) is provided with mobile crane (202), the lower extreme of mobile crane (202) is connected with lifting rope (201), the bottom of lifting rope (201) is provided with couple (203), the top of tower machine body (1) is provided with assembly pulley (204), top of the tower (108), mobile crane (202), bearing arm (103) front end and counter weight mobile device (206) are connected through hawser (205) in assembly pulley (204), counter weight mobile device (206) set up on balance arm (104).

2. The gravity-center self-adaptive balance tower crane hoisting device according to claim 1, characterized in that: the upper end of the balance arm (104) and the left side of the control chamber (105) are fixedly connected with a protective guard (109).

3. The gravity-center self-adaptive balance tower crane hoisting device according to claim 1, characterized in that: the counterweight moving device (206) comprises a first counterweight block (2061), a second counterweight block (2062), a third counterweight block (2063), a threaded rod (2064), a bearing sliding rod (2065) and a motor (2066), wherein the first counterweight block (2061) and the second counterweight block (2062) are U-shaped, the second counterweight block (2062) is sleeved on the outer side of the third counterweight block (2063), the first counterweight block (2061) is sleeved on the outer side of the second counterweight block (2062), the first counterweight block (2061), the second counterweight block (2062) and the third counterweight block (2063) are respectively provided with two threaded holes and a sliding hole, the threaded holes are internally matched and in threaded connection with the threaded rod (2064), the threaded rod (2064) is driven by the motor (2066), and the sliding hole is internally and is connected with the bearing sliding rod (2065).

4. The gravity-center self-adaptive balance tower crane hoisting device according to claim 3, characterized in that: a certain gap is formed among the first balancing weight (2061), the second balancing weight (2062) and the third balancing weight (2063).

5. The gravity-center self-adaptive balance tower crane hoisting device according to claim 3, characterized in that: threaded rods (2064) on the first balancing weight (2061), the second balancing weight (2062) and the third balancing weight (2063) can rotate independently.

6. The gravity-center self-adaptive balance tower crane hoisting device according to claim 1, characterized in that: the hook (203) is provided with a weight sensor (2031), and the weight sensor (2031) is electrically connected with the motor (2066).