High-stability lifting appliance

Abstract

The utility model relates to the field of lifting appliances, in particular to a high-stability lifting appliance. Comprising a hoisting beam, chains are installed at the two ends of the hoisting beam, a hoisting frame is installed at the lower ends of the chains, adjusting structures are arranged on the two sides of the hoisting beam, each adjusting structure comprises two fixing plates, the two fixing plates are fixedly connected with the hoisting beam, and a bottom plate is fixedly connected to the lower surfaces of the two fixing plates; the upper surface of the bottom plate is rotatably connected with a screw rod, the arc surface of the screw rod is in threaded connection with a moving frame, the upper surface of the bottom plate is fixedly connected with a sliding rod, the arc surface of the sliding rod is in sliding connection with the moving frame, and the arc surface of the screw rod is fixedly connected with a first gear. The high-stability type crane provided by the utility model has the advantages that the servo motor is used for driving, so that the mounting frame moves downwards and abuts against cargoes, the hoisting stability is improved, the action range can be increased by utilizing the transverse plate and the auxiliary plate, and the high-stability type crane is suitable for cargoes with various sizes.

Description

Technical Field

[0001] This utility model relates to the field of lifting tools, and in particular to a highly stable lifting tool. Background Technology

[0002] Lifting rigs are devices used for lifting, moving, and securing heavy objects. They are widely used in construction, manufacturing, logistics, and other fields. Common lifting rigs consist of lifting beams, chains, and lifting frames.

[0003] Existing technologies, such as the utility model patent with publication number CN214269909U, disclose a lifting device. This patent employs a lifting beam and a bracket mounted on the lifting beam. The bracket includes a hanging beam, a chain composed of multiple annular chain links mounted on the hanging beam, and a hook fixed to the chain. A weight adjustment component is detachably mounted on the chain. The weight adjustment component includes a connecting sleeve located at the end of the chain away from the hanging beam and a weight-reinforcing ring located on the connecting sleeve. The application utilizes the weight adjustment component to reduce chain swaying, preventing entanglement between adjacent chains and thus improving the stability of the lifting device.

[0004] The inventors discovered the following problems in the use of lifting equipment during their daily work: when lifting beams use chains and lifting frames to lift goods, the goods are prone to large-scale swaying when moving in the air, resulting in poor stability and safety. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as the lack of a limiting structure in the lifting equipment, which leads to poor stability and low operational safety during lifting operations.

[0006] The utility model provides a high stability lifting appliance, include: hoist beam, both ends of hoist beam all are installed chain, the lower extreme of chain is installed with the lifting frame, both sides of hoist beam are equipped with adjusting structure, adjusting structure includes two fixed plate, two fixed plate with hoist beam fixedly connected, the lower surface fixedly connected of two fixed plate has the bottom plate, the upper surface rotationally connected of bottom plate has screw rod, the circular arc surface screw of screw rod connects with moving frame, the upper surface fixedly connected of bottom plate has slide, the circular arc surface of slide is connected with moving frame slidingly, the circular arc surface fixedly connected of screw rod has first gear, the side fixedly connected of two fixed plate each other is close has servo motor, the output fixedly connected of servo motor has second gear, the toothing of second gear is engaged with first gear, the lower surface fixedly connected of moving frame has connecting column, the lower extreme fixedly connected of connecting column has installation frame, the inner wall slidingly connected of installation frame has installation block, the both sides of installation frame are all threaded and insert with limit rod, the circular arc surface of limit rod is connected with installation plate slidingly, the both sides fixedly connected of installation plate have horizontal plate, two horizontal plates are with installation plate as center and are centrally symmetric distribution, the one end rotationally connected of horizontal plate away from installation plate has auxiliary board, the upper surface fixedly connected of installation plate corresponds the position of auxiliary board has rectangle rod, the surface slidingly connected of rectangle rod has positioning frame, the one end of positioning frame is connected with auxiliary board slidingly, the surface of rectangle rod is covered with spring, the both ends of spring are fixedly connected with rectangle rod and positioning frame respectively.

[0007] The above-mentioned components achieve the effect of: driving by the servo motor, moving the installation frame downward and abutting against the goods, improving the hoisting stability, increasing the action range by the horizontal plate and the auxiliary plate, and being applicable to goods of various sizes.

[0008] Preferably, the circular arc surface of the slide is fixedly connected with a counterweight ring.

[0009] The above-mentioned components achieve the effect of: making the two sides of the bottom plate more stable by the counterweight ring.

[0010] Preferably, two pulleys are rotationally connected to the inner wall of the installation frame, and the circular arc surfaces of the two pulleys are slidingly connected with the installation plate.

[0011] The above-mentioned components achieve the effect of: reducing the friction between the installation frame and the installation plate by the pulleys, so that the installation plate is more smooth when moving in or out.

[0012] Preferably, a plurality of anti-skid protrusions are fixedly connected to the end of the limit rod away from the installation frame, and the plurality of anti-skid protrusions are uniformly distributed on the limit rod.

[0013] The above-mentioned components achieve the effect of: increasing the friction of the operation end of the limit rod by the anti-skid protrusions, facilitating the rotation of the limit rod by the user.

[0014] Preferably, the lower end of the positioning frame is arc-shaped.

[0015] The effect achieved by the above components is that the lower end of the positioning frame is arc-shaped, which makes it easier for the positioning frame to slide into the auxiliary plate.

[0016] Preferably, a handle is fixedly connected to the upper surface of the positioning frame, and the handle has a "U" shaped cross-section.

[0017] The effect achieved by the above components is that the operating handle moves the positioning frame, making it convenient for the user to move the positioning frame.

[0018] Preferably, both the horizontal plate and the auxiliary plate have reserved grooves on their surfaces, and the reserved grooves are rectangular grooves.

[0019] The effect achieved by the above components is to reduce the weight of the horizontal and rectangular plates by reserving slots, prevent deformation, and extend service life.

[0020] Compared with related technologies, the high-stability lifting device provided by this utility model has the following beneficial effects:

[0021] This utility model provides a highly stable lifting device. By setting an adjustment structure, a servo motor, in conjunction with a first gear and a second gear, drives a screw to rotate, allowing the moving frame to move up or down along a sliding rod. The moving frame, through a connecting column, drives the mounting frame to move downward and abut against the goods being lifted. This effectively reduces the swaying amplitude of the goods during lifting operations, improving lifting stability and operational safety. The horizontal plate and auxiliary plate can change the effective range of the mounting plate, allowing users to easily select the effective range of the mounting plate according to the size of the goods. The mounting plate and mounting frame can be easily assembled and disassembled, making it highly practical. Attached Figure Description

[0022] Figure 1 A structural schematic diagram of a highly stable lifting device provided by this utility model;

[0023] Figure 2 for Figure 1 The diagram shows the structural schematic of the adjustment structure.

[0024] Figure 3 for Figure 2 A partial structural schematic diagram of the adjustment structure shown;

[0025] Figure 4 for Figure 2 The diagram shows the disassembled structure of the adjustment mechanism.

[0026] Figure 5 for Figure 2 A partial structural diagram of the adjustment structure is shown.

[0027] Reference signs in the drawings: 1, hoisting beam; 2, chain; 3, hoisting frame; 4, adjusting structure; 401, fixed plate; 402, bottom plate; 403, screw rod; 404, moving frame; 405, sliding rod; 406, counterweight ring; 407, first gear; 408, servo motor; 409, second gear; 410, connecting column; 411, mounting frame; 412, mounting plate; 413, limiting rod; 414, pulley; 415, cross plate; 416, auxiliary plate; 417, rectangular rod; 418, positioning frame; 419, spring; 420, handle; 421, reserved slot. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model.

[0029] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0030] Please refer to Figures 1 to 5 The utility model embodiment provides a kind of high stability lifting appliance, comprising: hoisting beam 1, the both ends of hoisting beam 1 are equipped with chain 2, the lower end of chain 2 is equipped with hoisting frame 3, and the both sides of hoisting beam 1 are equipped with adjusting structure 4.

[0031] In the embodiment of the utility model, please refer to Figures 1 to 5The adjusting structure 4 comprises two fixed plates 401 fixedly connected with the hoisting beam 1, a bottom plate 402 fixedly connected with the lower surfaces of the two fixed plates 401, a screw rod 403 rotatably connected with the upper surface of the bottom plate 402, a moving frame 404 threadedly connected with the arc surface of the screw rod 403, a sliding rod 405 fixedly connected with the upper surface of the bottom plate 402, the arc surface of the sliding rod 405 being slidably connected with the moving frame 404, a first gear 407 fixedly connected with the arc surface of the screw rod 403, a servo motor 408 fixedly connected with one side of the two fixed plates 401 away from each other, a second gear 409 fixedly connected with the output end of the servo motor 408, the tooth surface of the second gear 409 being engaged with the first gear 407, a connecting column 410 fixedly connected with the lower surface of the moving frame 404, an installation frame 411 fixedly connected with the lower end of the connecting column 410, an installation block slidably connected with the inner wall of the installation frame 411, a limiting rod 413 threadedly inserted into the two sides of the installation frame 411, the arc surface of the limiting rod 413 being slidably connected with the installation plate 412, two horizontal plates 415 fixedly connected with the two sides of the installation plate 412, the two horizontal plates 415 being centrally and symmetrically distributed with the installation plate 412 as the center, an auxiliary plate 416 rotatably connected with the end of the horizontal plate 415 away from the installation plate 412, a rectangular rod 417 fixedly connected with the upper surface of the installation plate 412 at the position corresponding to the auxiliary plate 416, a positioning frame 418 slidably connected with one end of the rectangular rod 417 and the auxiliary plate 416, a spring 419 sleeved with the surface of the rectangular rod 417, the two ends of the spring 419 being fixedly connected with the rectangular rod 417 and the positioning frame 418 respectively, the installation frame 411 being driven by the servo motor 408 to move downwards and abut against the goods, so that the hoisting stability is improved, the horizontal plate 415 and the auxiliary plate 416 can increase the acting range, and the device is suitable for goods of various sizes, the arc surface of the sliding rod 405 is fixedly connected with a counterweight ring 406, the two sides of the bottom plate 402 are made more stable through the counterweight ring 406, two pulleys 414 are rotatably connected with the two sides of the inner wall of the installation frame 411, the arc surfaces of the two pulleys 414 are slidably connected with the installation plate 412, the friction between the installation frame 411 and the installation plate 412 is reduced through the pulleys 414, so that the installation plate 412 is more smooth when moving in or out, a plurality of anti-skid protrusions are fixedly connected with the end of the limiting rod 413 away from the installation frame 411, the plurality of anti-skid protrusions are uniformly distributed on the limiting rod 413, the friction of the operation end of the limiting rod 413 is increased through the anti-skid protrusions, the user is facilitated to rotate the limiting rod 413, the lower end of the positioning frame 418 is arc-shaped, the lower end of the positioning frame 418 is arc-shaped, so that the positioning frame 418 is conveniently slid into the auxiliary plate 416, a handle 420 is fixedly connected with the upper surface of the positioning frame 418, the cross section of the handle 420 is in the shape of 'U', the handle 420 is operated to drive the positioning frame 418 to move, so that the user is facilitated to move the positioning frame 418, the surfaces of the horizontal plate 415 and the auxiliary plate 416 are provided with a reserved slot 421, the reserved slot 421 is a rectangular slot, the self-weight of the horizontal plate 415 and the rectangular plate is reduced through the reserved slot 421,Prevent deformation, prolong service life;

[0032] The working principle of the high-stability lifting appliance is as follows: the adjusting structure 4 is arranged, the servo motor 408 is first controlled to rotate, the output end of the servo motor 408 drives the second gear 409 to rotate, the second gear 409 drives the first gear 407 to rotate through a tooth block, the first gear 407 further drives the screw rod 403 to rotate, the screw rod 403 drives the moving frame 404 to move downward along the slide rod 405 away from the bottom plate 402 by means of threads, the moving frame 404 drives the connecting column 410 and the mounting frame 411 to move downward, the mounting frame 411 is pressed on the upper surface of the goods, so that the lifting is more stable, when the size of the goods is large, the limiting rod 413 is first rotated, the limiting rod 413 is moved away from the inner wall region of the mounting frame 411 by means of threads, then the mounting plate 412 is operated to move into the mounting frame 411, the limiting rod 413 is rotated in the opposite direction and is moved into the mounting frame 411 and the mounting plate 412 by means of threads, so that the position of the mounting plate 412 is fixed, the contact area is increased by means of the mounting plate 412 and the horizontal plate 415, and the limiting effect on the goods of large size is better, the user pulls the positioning frame 418 upward according to requirements, the positioning frame 418 moves upward along the rectangular rod 417, the spring 419 is in a compressed state, in this process, one end of the positioning frame 418 slides away from the auxiliary plate 416, the limiting on the auxiliary plate 416 is released, the auxiliary plate 416 is rotated to 180 degrees to be opened, the positioning frame 418 is loosened, the positioning frame 418 moves towards the horizontal plate 415 under the action of the elasticity of the spring 419, the other end of the positioning frame 418 slides into the auxiliary plate 416, so that the angle of the auxiliary plate 416 is fixed, the range of limiting is further increased by means of the auxiliary plate 416, the bottom plate 402 is more stable through the counterweight ring 406, the friction between the mounting frame 411 and the mounting plate 412 is reduced through the pulley 414, so that the mounting plate 412 is more smooth when moving in or out, the friction of the operation end of the limiting rod 413 is increased through the anti-skid protrusion, the user is facilitated to rotate the limiting rod 413, the lower end of the positioning frame 418 is in an arc shape, the positioning frame 418 is facilitated to slide into the auxiliary plate 416, the handle 420 drives the positioning frame 418 to move, the user is facilitated to move the positioning frame 418, the self-weight of the horizontal plate 415 and the rectangular plate is reduced through the reserved groove 421, deformation is prevented, and the service life is prolonged.

[0033] The circuit and the control involved in the utility model are prior art, and too much description is not made herein.

[0034] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations made by using the utility model specification and drawing contents, or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A highly stable lifting device, characterized in that, include: A hoisting beam (1) is provided, with chains (2) installed at both ends of the hoisting beam (1). A hoisting frame (3) is installed at the lower end of the chains (2). An adjustment structure (4) is provided on both sides of the hoisting beam (1). The adjustment structure (4) includes two fixing plates (401). The two fixing plates (401) are fixedly connected to the hoisting beam (1). A base plate (402) is fixedly connected to the lower surface of the two fixing plates (401). A screw (403) is rotatably connected to the upper surface of the base plate (402). A sliding screw (403) is threaded onto the arc surface of the screw (403). The moving frame (404) has a sliding rod (405) fixedly connected to the upper surface of the base plate (402). The arc surface of the sliding rod (405) is slidably connected to the moving frame (404). The arc surface of the screw (403) is fixedly connected to the first gear (407). A servo motor (408) is fixedly connected to one side of the two fixed plates (401) that are close to each other. A second gear (409) is fixedly connected to the output end of the servo motor (408). The tooth surface of the second gear (409) meshes with the first gear (407). The moving frame (404) has a sliding rod (405) fixedly connected to the upper surface of the base plate (402). The arc surface of the sliding rod (405) is slidably connected to the moving frame (404). The arc surface of the screw (403) is fixedly connected to ... arc surface of the screw (403) is fixedly connected to the first gear (407). The arc surface of the screw (404) is fixedly connected to the first gear (407). The arc surface of the screw (404) is fixedly connected to the first gear (407). The arc surface of the screw (404) is fixedly connected to the first gear (407). The arc surface of the screw (404) is fixedly connected to the first gear (407). The arc surface of the screw (404) is fixedly connected to the first gear (407). The arc surface of the screw (404) is fixedly connected to the first gear (407). The arc surface of A connecting column (410) is fixedly connected to the lower surface of 04), and a mounting frame (411) is fixedly connected to the lower end of the connecting column (410). A mounting block is slidably connected to the inner wall of the mounting frame (411). Limiting rods (413) are threaded into both sides of the mounting frame (411). The arc surface of the limiting rod (413) is slidably connected to the mounting plate (412). Horizontal plates (415) are fixedly connected to both sides of the mounting plate (412). The two horizontal plates (415) are centrally symmetrically distributed with the mounting plate (412) as the center. (415) An auxiliary plate (416) is rotatably connected to one end away from the mounting plate (412). A rectangular rod (417) is fixedly connected to the upper surface of the mounting plate (412) at the position corresponding to the auxiliary plate (416). A positioning frame (418) is slidably connected to the surface of the rectangular rod (417). One end of the positioning frame (418) is slidably connected to the auxiliary plate (416). A spring (419) is sleeved on the surface of the rectangular rod (417). The two ends of the spring (419) are fixedly connected to the rectangular rod (417) and the positioning frame (418) respectively.

2. The high-stability lifting device according to claim 1, characterized in that, The arc surface of the slide bar (405) is fixedly connected to a counterweight ring (406).

3. The high-stability lifting device according to claim 1, characterized in that, The inner wall of the mounting frame (411) is rotatably connected to two pulleys (414), and the arc surfaces of the two pulleys (414) are slidably connected to the mounting plate (412).

4. The high-stability lifting device according to claim 1, characterized in that, The end of the limiting rod (413) away from the mounting frame (411) is fixedly connected with several anti-slip protrusions, and the several anti-slip protrusions are evenly distributed on the limiting rod (413).

5. A highly stable lifting device according to claim 1, characterized in that, The lower end of the positioning frame (418) is arc-shaped.

6. The high-stability lifting device according to claim 1, characterized in that, A handle (420) is fixedly connected to the upper surface of the positioning frame (418), and the cross-section of the handle (420) is U-shaped.

7. A highly stable lifting device according to claim 1, characterized in that, Both the horizontal plate (415) and the auxiliary plate (416) have reserved grooves (421) on their surfaces, and the reserved grooves (421) are rectangular grooves.

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