Building tower crane improved structure with efficient hoisting function

Abstract

The utility model provides an improved structure of a building tower crane with an efficient hoisting function, which relates to the technical field of building tower cranes and comprises a tower body, a balance arm arranged on one side of the tower body, a control cabinet arranged on the top surface of the tower body, an inclination angle sensor arranged on the bottom surface of the balance arm, a mounting groove arranged on the top surface of the balance arm, and chutes arranged on two sides of the mounting groove. A mounting groove is formed in the control cabinet, a balancing weight is arranged in the mounting groove, a sliding block is arranged in each balancing weight, two hydraulic rods are arranged between the two sliding grooves, a hydraulic pump is arranged on one side of each hydraulic rod, and the control cabinet receives and processes signals and starts the hydraulic rods according to a preset torque proportion range; and the hydraulic rod moves the balancing weight in the mounting groove to a preset corresponding position, so that the torque of the balance arm is changed, the tower body is kept stable and does not incline, and the defect that the torque of the balance arm cannot be adjusted by changing the position of the balancing weight within a certain range to keep the tower body balanced is overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of construction tower cranes, in particular to an improved structure of a construction tower crane with an efficient hoisting function. Background Art

[0002] According to a multifunctional tower crane disclosed in Chinese Publication (Announcement) No. CN113173508A, which includes a base, a tower body and a jib. The base is fixed on the ground. The tower body is integrally assembled from bottom to top by several groups of prefabricated units. The upper end of the tower body is rotatably connected with a horizontally arranged base platform, and a vertically arranged support is fixed on the base platform; the jib includes a main rod and a sub-rod. The main rod is fixedly connected with the support, and the sub-rod is inserted and slid on the main rod. A second motor and a third motor are installed on the main rod. A hook is installed at the front end of the sub-rod. A first steel cable is connected between the second motor and the hook; a pulley block is installed at the upper end of the support. A second steel cable bypassing the pulley block is connected between the sub-rod and the third motor; a driving device for driving the sub-rod to continuously move horizontally along the main rod is installed at the rear end of the sub-rod. The technical solution in this application is used for the hoisting operation of the tower crane in areas with dense building distribution, so that the tower crane can smoothly hoist materials when there are many nearby buildings.

[0003] When the above technologies are used, it is necessary to adjust the moment of the tower body by adding counterweights on the counterweight arm to keep the tower body balanced. However, when adjusting the moment of the counterweight arm by adding counterweight blocks, it is necessary to use an additional crane to lift the counterweight blocks onto the load-bearing platform, and it is impossible to adjust the moment of the counterweight arm by changing the position of the counterweight blocks within a certain range to keep the tower body balanced. This not only increases the working cost but also greatly reduces the working efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantage that in the prior art, it is impossible to adjust the moment of the counterweight arm by changing the position of the counterweight blocks within a certain range to keep the tower body balanced and stable, and to propose an improved structure of a construction tower crane with an efficient hoisting function.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an improved structure of a construction tower crane with an efficient hoisting function, including a tower body. A counterweight arm is arranged on one side of the tower body. A control cabinet is arranged on the top surface of the tower body. An inclination angle sensor is arranged on the bottom surface of the counterweight arm. An installation groove is arranged on the top surface of the counterweight arm. Chute grooves are arranged on both sides of the installation groove. A counterweight block is arranged inside the installation groove. Sliders are arranged inside the counterweight blocks. Two hydraulic rods are arranged in the middle of the two chute grooves. A hydraulic pump is arranged on one side of each of the two hydraulic rods. Fixing bolts are arranged on both sides of the hydraulic pump, the hydraulic rods and the inclination angle sensor. A pressing plate is arranged on one side of each of the two hydraulic rods.

[0006] Preferably, the balance arm is fixed to the side of the tower body by a pin shaft, and the control cabinet is welded or bolted to the tower body.

[0007] Preferably, the installation groove penetrates through the balance arm, and the installation groove is provided on the side of the balance arm away from the tower body. The inclination angle sensor is provided on the side of the installation groove away from the tower body, and the inclination angle sensor is fixed to the bottom surface of the balance arm by two fixing bolts.

[0008] Preferably, the two sliding grooves are welded to the top surface of the balance arm, and the length of the sliding groove is the same as the length of the installation groove. The slot holes of the sliding groove are V-shaped.

[0009] Preferably, both ends of the slider penetrate through the counterweight block, and the bottom end of the slider is triangular. The slider is provided in the middle of the counterweight block, and both ends of the slider penetrating out of the counterweight block are installed in the sliding groove.

[0010] Preferably, the two hydraulic rods are provided on both sides of the installation groove, and the hydraulic rods are fixed to the top surface of the balance arm by four fixing bolts. The two hydraulic pumps are fixed to the top surface of the balance arm by two fixing bolts, and the two hydraulic pumps are in a diagonal state.

[0011] Preferably, the two hydraulic rods are connected to the hydraulic pumps through pipelines, and the two hydraulic pumps and the inclination angle sensor are both connected to the control cabinet through circuits.

[0012] Beneficial Effects

[0013] In the present utility model, hydraulic rods are installed on both sides of the installation groove on the top surface of the balance arm, and hydraulic pumps are provided on one side of each hydraulic rod. The hydraulic rods and the hydraulic pumps are both fixed to the balance arm by fixing bolts. An inclination angle sensor is installed on the bottom surface of the end of the balance arm away from the tower body. When the machine is working and the weight of the load on the load arm is within a certain range, when the load arm is unloaded and the machine body becomes slightly inclined due to instability, it will be detected by the inclination angle sensor on the bottom surface of the balance arm and transmitted to the control cabinet through a circuit. The control cabinet receives the signal, processes it, and starts the hydraulic rod according to the preset torque ratio range, so that the hydraulic rod moves the counterweight block inside the installation groove to a preset corresponding position, changing the torque of the balance arm, thereby keeping the tower body stable and non-inclined, solving the defect that the torque of the balance arm cannot be adjusted by changing the position of the counterweight block within a certain range to keep the tower body balanced. Description of the Drawings

[0014] Figure 1 Isometric view of the present utility model;

[0015] Figure 2 Bottom view of the present utility model;

[0016] Figure 3 Top view of the present utility model;

[0017] Figure 4 is the sectional view taken along line A-A of the present utility model Figure 3 ;

[0018] Figure 5 is the partial isometric view of the present utility model

[0019] Legend:

[0020] 1, tower body; 2, balance arm; 3, control cabinet; 4, tilt angle sensor; 5, installation groove; 6, hydraulic rod; 7, hydraulic pump; 8, pressing plate; 9, sliding groove; 10, counterweight; 11, slider; 12, fixing bolt Specific embodiments

[0021] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments and the accompanying drawings. However, the following embodiments are only the preferred embodiments of the present utility model and not all of them. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative efforts all fall within the protection scope of the present utility model

[0022] The specific embodiments of the present utility model will be described below with reference to the accompanying drawings Specific Embodiment 1:

[0024] Refer to Figures 1 - 5, an improved structure of a construction tower crane with an efficient hoisting function, including a tower body 1, a counterweight arm 2 is provided on one side of the tower body 1, a control cabinet 3 is provided on the top surface of the tower body 1, an inclination angle sensor 4 is provided on the bottom surface of the counterweight arm 2, an installation groove 5 is provided on the top surface of the counterweight arm 2, sliding grooves 9 are provided on both sides of the installation groove 5, a counterweight 10 is provided inside the installation groove 5, sliders 11 are provided inside the counterweight 10, two hydraulic rods 6 are provided in the middle of the two sliding grooves 9, hydraulic pumps 7 are provided on one side of the two hydraulic rods 6, fixing bolts 12 are provided on both sides of the hydraulic pumps 7, the hydraulic rods 6 and the inclination angle sensor 4, pressing plates 8 are provided on one side of the two hydraulic rods 6, the counterweight arm 2 is fixed to the side surface of the tower body 1 through a pin shaft, the control cabinet 3 is welded or bolted to the tower body 1, the installation groove 5 penetrates through the counterweight arm 2, and the installation groove 5 is provided on the left side of the counterweight arm 2 away from the tower body 1, the inclination angle sensor 4 is provided on the side of the installation groove 5 away from the tower body 1, and the inclination angle sensor 4 is fixed to the bottom surface of the counterweight arm 2 through two fixing bolts 12, the two sliding grooves 9 are welded to the top surface of the counterweight arm 2, and the length of the sliding groove 9 is the same as the length of the installation groove 5, the slot hole of the sliding groove 9 is V-shaped, both ends of the slider 11 penetrate through the counterweight 10, and the bottom end of the slider 11 is triangular, the slider 11 is provided in the middle of the counterweight 10, and both ends of the slider 11 penetrating through the counterweight 10 are installed in the sliding groove 9, the two hydraulic rods 6 are provided on both sides of the installation groove 5, and the hydraulic rods 6 are fixed to the top surface of the counterweight arm 2 through four fixing bolts 12, the two hydraulic pumps 7 are fixed to the top surface of the counterweight arm 2 through two fixing bolts 12, and the two hydraulic pumps 7 are in a diagonal state, the hydraulic rods 6 are connected to the hydraulic pumps 7 through pipelines, and the two hydraulic pumps 7 and the inclination angle sensor 4 are electrically connected to the control cabinet 3.

[0025] The balance arm 2 is fixed to the side of the tower body 1 through a pin shaft. The balance arm 2 is used to install counterweight blocks 10 to maintain the balance of the tower body 1. And on one side of the top surface of the tower body 1 where the cab is located, there is a control cabinet 3. The control cabinet 3 is generally fixed to the top surface of the tower body 1 by welding or bolt connection. The control cabinet 3 is used to control and monitor the operation of the tower crane. On both the left and right sides of the installation groove 5 on the top surface of the balance arm 2, there are hydraulic rods 6 installed. And on one side of each hydraulic rod 6, there is a hydraulic pump 7. The hydraulic rods 6 and the hydraulic pumps 7 are both fixed to the balance arm 2 through fixing bolts 12. And on the bottom surface of the left end of the balance arm 2 far from the tower body 1, there is an inclination angle sensor 4 installed. The inclination angle sensor 4 is fixed to the bottom surface of the balance arm 2 through two fixing bolts 12. The two hydraulic pumps 7 and the inclination angle sensor 4 are both electrically connected to the control cabinet 3, and the two hydraulic rods 6 are both connected to the hydraulic pumps 7 through pipelines. When the machine is working and the weight of the load on the load arm is within a certain range, when the load arm is unloaded and the tower body 1 becomes unstable and tilts slightly, it will be detected by the inclination angle sensor 4 on the bottom surface of the balance arm 2. The inclination angle sensor 4 is a liquid-conductive inclination sensor. When the inclination angle sensor 4 tilts, the position of the liquid inside the inclination angle sensor 4 will change, resulting in a change in the resistance value between the two electrodes. By measuring the change in the resistance value, the inclination angle of the object can be calculated and transmitted to the control cabinet 3 through a circuit. The control cabinet 3 receives the signal for processing and starts the hydraulic pump 7 according to the preset torque ratio range. The hydraulic pump 7 will transport the hydraulic oil in the pump to the hydraulic rod 6 through a pipeline, or suck the hydraulic oil inside the hydraulic rod 6 back into the hydraulic pump 7 through a pipeline, so that one side of the hydraulic rod 6 can push the counterweight block 10 through the pressure plate 8, and move the counterweight block 10 inside the installation groove 5 to the preset corresponding position, changing the torque of the balance arm 2, so as to keep the tower body 1 stable and not tilted. The pressure plate 8 is welded to the rod body of the hydraulic rod 6. The pressure plate 8 plays a role in increasing the contact area with the counterweight block 10, so that the hydraulic rod 6 can more easily push the counterweight block 10. When the counterweight block 10 is pushed, the counterweight block 10 slides through the slider 11 in the chute 9 to achieve left and right movement. The slider 11 of the counterweight block 10 not only provides the sliding function but also provides the function of supporting the counterweight block 10. It should be noted that when increasing the torque of the balance arm 2, the control cabinet 3 controls the hydraulic pumps 7 on both the left and right sides through electrical signals, so that the right hydraulic pump 7 receives the electrical signal transmitted by the control cabinet 3 and starts to transport the hydraulic oil in the pump to the right hydraulic rod 6, causing the rod body of the hydraulic rod 6 to extend forward and push the counterweight block 10 through the pressure plate 8. And the left hydraulic pump 7 will receive the electrical signal from the control cabinet 3, causing the hydraulic pump 7 to suck the hydraulic oil inside the hydraulic rod 6 back into the pump body, causing the rod body of the hydraulic rod 6 to contract inward, so that the counterweight block 10 can move to the left. When reducing the torque of the balance arm 2, the control cabinet 3 sends electrical signals in the reverse direction according to the above process, causing the right hydraulic pump 7 to suck the hydraulic oil inside the right hydraulic rod 6 back into the pump body, retracting the rod body of the right hydraulic rod 6, and causing the left hydraulic pump 7 to transport the hydraulic oil in the pump body to the left hydraulic rod 6,Extend the rod body of the hydraulic rod 6 on the left side and push the counterweight 10 to move to the right side, thereby reducing the moment of the balance arm 2. Specific Embodiment 2:

[0027] Refer to Figures 1 - 5 For an improved structure of a construction tower crane with an efficient lifting function, further based on the basic structure in Specific Embodiment 1, an installation box can be provided on the bottom surface of the end of the balance arm 2 far from the tower body 1. The installation box is fixed on the bottom surface of the balance arm 2 through fixing bolts 12, and the bottom surface of the installation box is provided with a through hole. The inclination angle sensor 4 is installed inside the installation box through the fixing bolts 12. The installation box is used to protect the inclination angle sensor 4 to prevent the inclination angle sensor 4 from being damaged due to the influence of external weather.

[0028] In summary:

[0029] 1. Hydraulic rods 6 are installed on both sides of the installation groove 5 on the top surface of the balance arm 2, and hydraulic pumps 7 are provided on one side of each hydraulic rod 6. The hydraulic rods 6 and the hydraulic pumps 7 are both fixed on the balance arm 2 through fixing bolts 12. An inclination angle sensor 4 is installed on the bottom surface of the end of the balance arm 2 far from the tower body 1. When the machine is working and the weight of the load on the load arm is within a certain range, when the load arm is unloaded and the machine body becomes unstable and tilts slightly, it will be detected by the inclination angle sensor 4 on the bottom surface of the balance arm 2 and transmitted to the control cabinet 3 through a circuit. The control cabinet 3 receives the signal, processes it, and starts the hydraulic rod 6 according to the preset moment ratio range, so that the hydraulic rod 6 moves the counterweight 10 inside the installation groove 5 to a preset corresponding position, changing the moment of the balance arm 2, thereby keeping the tower body 1 stable and not tilting, solving the drawback that the moment of the balance arm 2 cannot be adjusted by changing the position of the counterweight 10 within a certain range to keep the tower body 1 balanced.

[0030] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through other features therebetween. Moreover, the first feature being "above", "above", and "on the top" of the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "below", and "on the bottom" of the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0031] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification are only preferred examples of the present utility model, and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An improved structure of a building tower crane with efficient lifting function, comprising a tower body (1), characterized in that: A balancing arm (2) is provided on one side of the tower body (1), a control cabinet (3) is provided on the top surface of the tower body (1), an inclination angle sensor (4) is provided on the bottom surface of the balancing arm (2), a mounting groove (5) is provided on the top surface of the balancing arm (2), sliding grooves (9) are provided on both sides of the mounting groove (5), a counterweight block (10) is provided inside the mounting groove (5), a sliding block (11) is provided inside the counterweight block (10), two hydraulic rods (6) are provided in the middle of the two sliding grooves (9), a hydraulic pump (7) is provided on one side of the two hydraulic rods (6), fixing bolts (12) are provided on both sides of the hydraulic pump (7), the hydraulic rod (6) and the inclination angle sensor (4), and a pressure plate (8) is provided on one side of the two hydraulic rods (6).

2. The improved structure of a building tower crane with efficient lifting function according to claim 1 is characterized in that: The balancing arm (2) is fixed to the side of the tower body (1) via a pin shaft, and the control cabinet (3) is connected to the tower body (1) by welding or bolts.

3. The improved structure of a building tower crane with efficient lifting function according to claim 1 is characterized in that: The mounting groove (5) passes through the balancing arm (2), and the mounting groove (5) is arranged on a side of the balancing arm (2) away from the tower body (1); the tilt angle sensor (4) is arranged on a side of the mounting groove (5) away from the tower body (1), and the tilt angle sensor (4) is fixed to the bottom surface of the balancing arm (2) by two fixing bolts (12).

4. The improved structure of a building tower crane with efficient lifting function according to claim 1 is characterized in that: The two slide grooves (9) are welded to the top surface of the balance arm (2), and the length of the slide groove (9) is consistent with the length of the mounting groove (5), and the slot hole of the slide groove (9) is V-shaped.

5. The improved structure of a building tower crane with efficient lifting function according to claim 1 is characterized in that: Both ends of the slider (11) pass through the counterweight block (10), and the bottom end of the slider (11) is triangular. The slider (11) is set in the middle of the counterweight block (10), and both ends of the slider (11) passing through the counterweight block (10) are installed in the slide groove (9).

6. The improved structure of a building tower crane with high-efficiency lifting function according to claim 1 is characterized in that: The two hydraulic rods (6) are arranged on both sides of the mounting groove (5), and the hydraulic rods (6) are fixed to the top surface of the balancing arm (2) by four fixing bolts (12); the two hydraulic pumps (7) are fixed to the top surface of the balancing arm (2) by two fixing bolts (12), and the two hydraulic pumps (7) are in a diagonal state.

7. The improved structure of a building tower crane with high-efficiency lifting function according to claim 1 is characterized in that: The two hydraulic rods (6) are connected to the hydraulic pump (7) via a pipeline, and the two hydraulic pumps (7) and the tilt angle sensor (4) are both connected to the control cabinet (3) circuit.

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