Balanced crane

Abstract

The utility model discloses a kind of balance cranes, including L-shaped suspension beam, the horizontal section of L-shaped suspension beam is fixedly installed with toothed lever;Lifting appliance, movably installed in toothed lever, adapt to workshop travelling crane track system;Backboard, fixedly installed on the vertical section of L-shaped suspension beam, symmetrically arranged slide rail is installed on backboard;Support arm, slidingly installed on slide rail and relative slide rail along left-right direction sliding, place the object to be hoisted in sling or tray, then according to the installation position of the center of gravity of object adjustment lifting ring on toothed lever, to realize lifting point and center of gravity matching, since lifting point position reasonable matching, the object to be hoisted always keeps stable state, without obvious shaking or tilting phenomenon, avoid the difficulty that enough space is needed for using forklift to shift, reduce the use and frequency of dependence on mobile equipment, can be completely without using mobile equipment.

Description

Technical Field

[0001] This utility model relates to the field of lifting and transportation technology, and in particular to a balance crane. Background Technology

[0002] In steel structure workshop production, hoisting is the most frequent operation, and every hoisting operation in the workshop must be carried out safely and in accordance with regulations. Among them, the hoisting and handling of small parts is particularly complex and tedious because the parts are small and the quantity is large. They cannot be piled up randomly during handling, and hoisting them one by one is too inefficient. Currently, pallets are mostly used for storage and then forklifts are used for handling. This results in low utilization of the many overhead cranes in the workshop. In addition, forklift operations require a certain working area, which leads to low efficiency in handling small parts, long time consumption of mechanical resources, and impact on the overall production progress. Utility Model Content

[0003] Based on this, it is necessary to provide a balancing crane to address the above-mentioned technical problems. The installation position of the lifting ring on the toothed lever is adjusted according to the center of gravity of the object to achieve the matching of the lifting point and the center of gravity. This effectively solves the problem of balancing lifting of different weights. When used in the workshop, it can reach any position, avoiding the difficulty of using forklifts to move objects and requiring sufficient space. It also improves work efficiency, reduces the use and frequency of motorized equipment, and can completely eliminate the need for motorized equipment.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A type of balancing crane used in steel structure workshop production.

[0006] The balancing crane specifically includes:

[0007] An L-shaped suspension beam is provided, wherein a toothed lever is fixedly installed on the horizontal section of the L-shaped suspension beam, and a lifting ring is movably installed on the toothed lever;

[0008] The lifting device is movably installed inside the lifting ring and is adapted to the workshop's overhead crane track system;

[0009] The back plate is fixedly installed on the vertical section of the L-shaped suspension beam, and symmetrically arranged slide rails are installed on the back plate.

[0010] The support arm is slidably mounted on the slide rail and slides relative to the slide rail in the left-right direction.

[0011] In a preferred embodiment of the balance crane described in this utility model, the toothed lever is provided with multiple adjusting grooves, and the lifting ring engages with the adjusting grooves by sliding.

[0012] In a preferred embodiment of the balance crane described in this utility model, the lifting device includes a U-shaped clamp movably installed inside the lifting ring, and a lifting rope is connected between the U-shaped clamp and the workshop overhead rail system.

[0013] In a preferred embodiment of the balance crane described in this utility model, a locking bolt is threaded onto the opening of the U-shaped clamp.

[0014] As a preferred embodiment of the balancing crane described in this utility model, the balancing crane further includes a pressure sensor disposed on the toothed lever for detecting load distribution.

[0015] In a preferred embodiment of the balance crane described in this utility model, a motor is fixedly installed on the back plate, the output end of the motor passes through the back plate and is fixedly installed with a gear, and a rack is fixedly installed on the support arm, with the rack meshing with the gear.

[0016] In a preferred embodiment of the balance crane described in this utility model, the vertical section of the L-shaped suspension beam has a receiving cavity adapted to the motor.

[0017] In a preferred embodiment of the balance crane described in this utility model, the slide rail has a receiving groove at one end near the L-shaped suspension beam, and a limit block is installed in the receiving groove.

[0018] In a preferred embodiment of the balancing crane described in this utility model, the balancing crane further includes a baffle plate, which is arranged parallel to the back plate, and a buffer rod is fixedly connected between the baffle plate and the back plate.

[0019] In a preferred embodiment of the balance crane described in this utility model, the buffer rod includes a bushing fixedly installed on the back plate and a movable end fixedly connected to the baffle. The movable end is coaxially installed inside the bushing, and a spring is fixedly connected between the movable end and the inner bottom surface of the bushing.

[0020] The bushing is covered with a rubber pad.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The balancing crane provided by this utility model places the object to be lifted in a basket or pallet. Then, the installation position of the lifting ring on the toothed lever is adjusted according to the center of gravity of the object to achieve the matching of the lifting point and the center of gravity. After the trolley is started and the balancing crane is moved above the target position, the lifting device descends and clamps the lifting ring. The two side arms move towards the basket for support. During the lifting process, due to the reasonable matching of the lifting point position, the object being lifted always remains stable without obvious shaking or tilting. This avoids the difficulty of using a forklift to move the object and requires sufficient space, reduces the use and frequency of motorized equipment, and can completely eliminate the need for motorized equipment. Attached Figure Description

[0023] To more clearly illustrate the solutions in this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of a balancing crane proposed in this utility model;

[0025] Figure 2 for Figure 1 Second perspective;

[0026] Figure 3 for Figure 1 A schematic diagram of the structure without baffles;

[0027] Figure 4 for Figure 1 Enlarged schematic diagram of structure A in the middle;

[0028] Figure 5 This is a schematic diagram of the installation structure of the slide rail and limit block of a balancing crane proposed in this utility model;

[0029] Figure 6 This is a schematic diagram of the buffer rod structure of a balancing crane proposed in this utility model.

[0030] In the diagram: 1. L-shaped suspension beam; 11. Toothed lever; 110. Adjusting tooth groove; 12. Lifting ring; 13. Receiving cavity; 14. Handle;

[0031] 2. Lifting equipment; 21. U-clamp; 22. Lifting rope; 23. Locking bolts;

[0032] 3. Back plate; 31. Slide rail; 311. Receiving groove; 32. Limiting block;

[0033] 4. Support arm; 5. Pressure sensor; 6. Motor; 7. Gear; 8. Rack;

[0034] 9. Buffer rod; 91. Bushing; 92. Moving end; 93. Spring; 94. Rubber pad;

[0035] 10. Baffle. Detailed Implementation

[0036] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0037] As described in the background section, forklift operations require a certain working area, which results in low efficiency in handling small parts, long time spent consuming mechanical resources, and affects the overall production schedule.

[0038] To solve this technical problem, this utility model provides a balancing crane that is applied to steel structure workshop production.

[0039] For details, please refer to Figure 1-3 The balancing crane specifically includes:

[0040] L-shaped suspension beam 1, with a toothed lever 11 fixedly installed on the horizontal section of the L-shaped suspension beam 1, and a lifting ring 12 movably installed inside the toothed lever 11;

[0041] The lifting device 2 is movably installed inside the lifting ring 12 and is adapted to the workshop's overhead crane track system;

[0042] The back plate 3 is fixedly installed on the vertical section of the L-shaped suspension beam 1, and symmetrically arranged slide rails 31 are installed on the back plate 3.

[0043] The support arm 4 is slidably mounted on the slide rail 31 and slides relative to the slide rail 31 in the left-right direction.

[0044] The balance crane provided by this utility model allows the user to place the object to be lifted in a basket or pallet. Then, according to the center of gravity of the object, the user adjusts the installation position of the lifting ring 12 on the toothed lever 11 to achieve the matching of the lifting point and the center of gravity. After starting the gantry crane and moving the balance crane above the target position, the lifting device 2 descends and clamps the lifting ring 12, and the two side arms 4 move towards the basket for support. During the lifting process of the gantry crane, due to the reasonable matching of the lifting point position, the object being lifted always remains stable without obvious shaking or tilting. After reaching the designated work position, the lifting device 2 slowly descends to release the balance crane, completing one lifting task. This avoids the difficulty of using forklifts to move objects and requires sufficient space, reduces the reliance on motorized equipment, and can completely eliminate the need for motorized equipment.

[0045] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0046] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0047] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0048] Example 1:

[0049] Reference Figures 1-6 A balancing crane includes an L-shaped suspension beam 1, a lifting device 2, a back plate 3, and a support arm 4. A toothed lever 11 is fixedly installed on the horizontal section of the L-shaped suspension beam 1, and a lifting ring 12 is movably installed inside the toothed lever 11. The lifting device 2 is movably installed inside the lifting ring 12 and is adapted to the workshop overhead rail system. In particular, the toothed lever 11 is provided with multiple adjusting tooth grooves 110, and the lifting ring 12 cooperates with the adjusting tooth grooves 110 by sliding. The back plate 3 is fixedly installed on the vertical section of the L-shaped suspension beam 1, and symmetrically arranged slide rails 31 are installed on the back plate 3. The support arm 4 is slidably installed on the slide rails 31 and slides relative to the slide rails 31 in the left and right directions.

[0050] For details, please refer to Figure 5 The slide rail 31 has a receiving groove 311 at one end near the L-shaped suspension beam 1. A limit block 32 is installed in the receiving groove 311 to limit the maximum sliding range of the support arm 4 and prevent it from disengaging from the slide rail 31.

[0051] The balancing crane provided in this embodiment places the object to be lifted into a basket or tray, and then adjusts the installation position of the lifting ring 12 on the toothed lever 11 according to the center of gravity of the object to match the center of gravity of the object. During the lifting process, the object is kept stable without significant shaking or tilting due to the reasonable matching of the lifting point positions. After the crane moves the crane to a certain area, the worker can push or pull the entire device slightly to make it more accurately aligned with the work position below. Therefore, a handle 14 is welded on the L-shaped suspension beam 1. The direction and angle can be finely adjusted through the handle 14 to improve the placement accuracy.

[0052] Example 2

[0053] Specifically, regarding the balancing crane provided in Example 1, as follows: Figures 1-4 As shown, the lifting device 2 includes a U-shaped clamp 21 movably installed in the lifting ring 12. The U-shaped clamp 21 is connected to the workshop trolley track system by a lifting rope 22 to ensure that the lifting device 2 can operate stably under the track system.

[0054] To enhance clamping stability and safety, as well as ease of disassembly, a locking bolt 23 is threaded onto the opening of the U-shaped clamp 21.

[0055] With the above structure, the operator can rotate the locking bolt 23 to allow the lifting ring 12 to enter the U-shaped clamp 21, and then tighten the locking bolt 23 to complete the clamping action.

[0056] Example 3

[0057] Specifically, regarding the balancing crane provided in Example 2, as follows: Figure 4 As shown, the balancing crane also includes a pressure sensor 5, which is mounted on the toothed lever 11 to detect load distribution.

[0058] With the above structure, the lifting device 2 descends and clamps the basket or tray with the U-shaped clamp 21. At this time, the pressure sensor 5 starts to monitor the load distribution in real time, and the operator can manually fine-tune the position of the lifting ring 12 according to the load distribution.

[0059] Example 4

[0060] Specifically, regarding the balancing crane provided in Example 3, as follows: Figure 2-3 As shown, in order to further improve the level of automation and operational efficiency in the hoisting process, a motor 6 is fixedly installed on the back plate 3. The output end of the motor 6 passes through the back plate 3 and a gear 7 is fixedly installed thereon. A rack 8 is fixedly installed on the support arm 4. The rack 8 meshes with the gear 7 to convert the rotational motion of the motor 6 into the linear sliding motion of the support arm 4.

[0061] To optimize the spatial layout and enhance the overall aesthetics and safety of the equipment, the vertical section of the L-shaped suspension beam 1 has a receiving cavity 13 adapted to the motor 6 for housing the motor 6 and its related control circuits.

[0062] With the above structure, when the motor 6 starts, its output shaft drives the gear 7 to rotate. After the gear 7 meshes with the rack 8, it pushes the support arm 4 to slide left and right along the slide rail 31. By controlling the forward and reverse rotation of the motor 6, the opening and closing action of the support arm 4 can be realized, thereby completing the adaptive support for the basket or tray.

[0063] Example 5

[0064] Specifically, regarding the balancing crane provided in the above embodiments, as follows: Figure 1 and Figure 6 As shown, in order to further improve the safety and stability of the equipment, the balance crane also includes a baffle 10, which is set parallel to the back plate 3. A buffer rod 9 is fixedly connected between the baffle 10 and the back plate 3 to prevent the steel components from hitting the back plate 3 and the components on it.

[0065] Specifically, the buffer rod 9 includes a bushing 91 fixedly mounted on the back plate 3, and a movable end 92 fixedly connected to the baffle 10. The movable end 92 is coaxially mounted inside the bushing 91, and a spring 93 is fixedly connected between the movable end 92 and the inner bottom surface of the bushing 91 to provide elastic buffering force.

[0066] Meanwhile, in order to constrain the maximum stroke of the support arm 4, the outer surface of the bushing 91 is covered with a rubber pad 94.

[0067] With the above structure, during hoisting operations, the steel components come into contact with the baffle 10, and the buffer rod 9 absorbs the vibration generated by the impact, reducing the direct contact between the steel components and the back plate 3 and its components, thus playing a protective role. At the same time, the maximum stroke of the support arm 4 is limited to ensure that it does not exceed the safe range.

[0068] The process of using the balance crane provided by this utility model is as follows: The balance crane is installed on the lifting device 2 through the top lifting ring 12. The lifting device 2 is fixed in a suitable position by the sliding engagement between the lifting ring 12 and the adjusting tooth groove 110, so that the lifting point matches the center of gravity of the heavy object. The pressure sensor 5 monitors the load distribution in real time to assist in the selection of the optimal lifting point. The motor 6 changes the distance between the two support arms 4 to support the bottom of the basket.

[0069] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A balancing crane, characterized in that, It includes L-shaped suspension beam (1), a toothed lever (11) is fixedly installed on the horizontal section of the L-shaped suspension beam (1), and a lifting ring (12) is movably installed on the toothed lever (11). The lifting device (2) is movably installed inside the lifting ring (12) and is adapted to the workshop crane track system; The back plate (3) is fixedly installed on the vertical section of the L-shaped suspension beam (1), and symmetrically arranged slide rails (31) are installed on the back plate (3). The support arm (4) is slidably mounted on the slide rail (31) and slides relative to the slide rail (31) in the left and right directions.

2. The balancing crane according to claim 1, characterized in that, The toothed lever (11) is provided with multiple adjusting grooves (110), and the lifting ring (12) cooperates with the adjusting grooves (110) by sliding.

3. The balancing crane according to claim 2, characterized in that, The lifting device (2) includes a U-shaped clamp (21) movably installed in the lifting ring (12), and the U-shaped clamp (21) is connected to the workshop overhead rail system by a lifting rope (22).

4. The balancing crane according to claim 3, characterized in that, The opening of the U-shaped clamp (21) is threaded with a locking bolt (23).

5. The balancing crane according to claim 1 or 2, characterized in that, The balancing crane also includes a pressure sensor (5) mounted on the toothed lever (11) for detecting load distribution.

6. The balancing crane according to claim 1, characterized in that, A motor (6) is fixedly installed on the back plate (3). The output end of the motor (6) passes through the back plate (3) and is fixedly installed with a gear (7). A rack (8) is fixedly installed on the support arm (4). The rack (8) meshes with the gear (7).

7. The balancing crane according to claim 6, characterized in that, The vertical section of the L-shaped suspension beam (1) has a receiving cavity (13) adapted to the motor (6).

8. The balancing crane according to claim 1, characterized in that, The slide rail (31) has a receiving groove (311) at one end near the L-shaped suspension beam (1), and a limit block (32) is installed in the receiving groove (311).

9. The balancing crane according to claim 1, characterized in that, The balance crane also includes a baffle (10) which is arranged parallel to the back plate (3), and a buffer rod (9) is fixedly connected between the baffle (10) and the back plate (3).

10. The balancing crane according to claim 9, characterized in that, The buffer rod (9) includes a bushing (91) fixedly installed on the back plate (3) and a movable end (92) fixedly connected to the baffle (10). The movable end (92) is coaxially installed inside the bushing (91), and a spring (93) is fixedly connected between the movable end (92) and the inner bottom surface of the bushing (91). The bushing (91) is covered with a rubber pad (94).

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