Crane hoisting device capable of accurately positioning
By introducing electric slide rails, servo motors, gears and hydraulic cylinders into the crane lifting device, the problems of cargo shaking and unfixed fixing are solved, the precise positioning of goods and the stability of the device are achieved, and the lifting process is ensured. Safety and stability.
Patent Information
- Application Number
- CN202421141231.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The existing crane lifting devices are prone to shake when lifting goods, making them difficult to accurately locate and the goods are not fixed firmly, which affects the lifting efficiency and safety.
A limiting mechanism including electric slide rails, servo motors, gears, limit plates, electric push rods and electric suction cups is designed. The precise positioning and fixing of goods is achieved through the cooperation of racks and gears, and through the hydraulic cylinder and limiting position The card block improves the stability of the device and combines the damper and the cushioning spring for cushioning protection.
It realizes stable lifting and precise positioning of goods, improves the safety and stability of the lifting process, and prevents cargo shake and equipment damage.
Smart Images
Figure CN222273909U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cranes, in particular to a crane hoisting device with accurate positioning. Background Art
[0002] With the continuous development of the crane industry, more and more companies are joining the crane industry. Crane refers to a multi-action lifting machinery that vertically lifts and horizontally transports heavy objects within a certain range. Cranes play a very important role in our production and life. Cranes need to use lifting devices when working.
[0003] There are still some problems with common crane lifting devices. For example, when using the crane lifting device, it is found that the cargo is prone to shaking during the lifting process, which makes it inconvenient to position the cargo as needed, and the cargo is not firmly fixed, which easily affects the lifting of the cargo.
[0004] Therefore, we proposed a crane lifting device with precise positioning to improve the above problems. Utility Model Content
[0005] The utility model aims to provide a crane lifting device with accurate positioning, so as to solve the problems in the above background technology that it is inconvenient to position the goods according to the needs and the goods are not firmly fixed.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crane hoisting device with accurate positioning, comprising a frame, an electric slide rail is arranged inside the frame, connecting blocks are arranged on both sides of the bottom end of the electric slide rail, a protective shell is fixedly connected to the bottom end of the connecting block, and a limiting mechanism for facilitating the positioning of goods is arranged inside the connecting block;
[0007] The limiting mechanism includes a placing plate, a limiting plate and a servo motor. The servo motor is installed at the rear end of the protective shell, the output end of the servo motor is fixedly connected to a connecting shaft, the outside of the connecting shaft is fixedly connected to a gear, a rack is provided on the side near the middle of the inside of the protective shell, the side near the middle of the rack is fixedly connected to the limiting plate, the bottom end of the protective shell near the middle is fixedly connected to the placing plate, the bottom end of the frame is provided with an electric push rod, the bottom end of the electric push rod is installed with a fixing plate, and the bottom end of the fixing plate is installed with an electric suction cup.
[0008] Preferably, the limiting plate is arranged on the top of the placement plate, and the gear and the rack cooperate with each other.
[0009] Preferably, a mounting plate is installed inside the protective shell, a hydraulic cylinder is installed at the bottom end of the mounting plate, a limit block is installed at the bottom end of the hydraulic cylinder, a tooth block is processed on the outside of the gear, the limit block is embedded between the tooth blocks, and the side of the inside of the protective shell close to the outside is fixedly connected to the limit groove.
[0010] Preferably, the top and the bottom of both ends of the rack are respectively fixedly connected with connecting rods, and the side of the connecting rod close to the outside is fixedly connected with a sliding block.
[0011] Preferably, the slider is arranged inside the limiting groove, and the slider slides up and down inside the limiting groove.
[0012] Preferably, mounting blocks are fixedly connected to both sides of the top of the frame, hanging holes are provided inside the mounting blocks, and the mounting blocks are symmetrically distributed about the center point of the frame.
[0013] Preferably, a buffer plate is provided at the bottom end of the placement plate and the protective shell, a damper is installed at the middle position of the top end of the buffer plate, spring grooves are fixedly connected to both sides of the top end of the buffer plate, a buffer spring is provided inside the spring groove, and a connecting column is fixedly connected to the top end of the buffer spring.
[0014] Preferably, the damper is arranged between the buffer plate and the placement plate, and the top ends of the connecting columns are fixedly connected to the bottom ends of the protective shell and the placement plate respectively.
[0015] Compared with the prior art, the utility model has the following beneficial effects: the crane lifting device with accurate positioning not only realizes the convenience of positioning the goods to be lifted and transported, realizes the stability of the device, but also realizes the convenience of buffering the device;
[0016] (1) By setting an electric push rod, gears, a limit plate, a rack, a servo motor, a connecting shaft and an electric suction cup, the cargo to be lifted is placed on the top of the placement plate, and then the servo motor is started. The servo motor drives the gear to rotate through the connecting shaft, so that the rack drives the limit plate to descend, so that the limit plate limits and positions the cargo to prevent the cargo from shaking during the lifting process. After the cargo is fixed, the electric push rod and the electric suction cup are started. The electric push rod drives the electric suction cup to descend through the fixing plate, so that the bottom end of the electric suction cup contacts the cargo to further position the cargo;
[0017] (2) By providing a limit groove, a mounting plate, a hydraulic cylinder, a slider, a limit block and a connecting rod, when the rack is raised or lowered, the slider on one side of the connecting rod will slide up and down inside the limit groove, thereby limiting the rack and preventing the rack and the gear from being misaligned and affecting the lifting of the rack. After the rack is raised or lowered to a suitable position, the hydraulic cylinder is started, and the hydraulic cylinder drives the limit block to be embedded between the gear blocks outside the gear, thereby preventing the gear from accidentally driving the rack to rise or fall, thereby improving the stability of the device;
[0018] (3) By providing a damper, a buffer plate, a buffer spring, a spring slot and a connecting column, when the device descends to a suitable position, the buffer spring will buffer the cargo and the device through its own elasticity to prevent the cargo and the device from being damaged due to excessive descent speed, thereby protecting the cargo. The damper can limit the buffer spring to prevent the buffer spring from shaking too much and affecting the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0020] Figure 2 It is a schematic diagram of an enlarged side cross-sectional structure of a gear of the utility model;
[0021] Figure 3 It is a schematic diagram of an enlarged front cross-sectional structure of a fixing plate of the utility model;
[0022] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged cross-section structure at point A in the middle.
[0023] In the figure: 1. frame; 2. electric slide rail; 3. mounting block; 4. electric push rod; 5. hanging hole; 6. connecting block; 7. protective shell; 8. limit slot; 9. mounting plate; 10. hydraulic cylinder; 11. gear; 12. slider; 13. placement plate; 14. limit plate; 15. limit block; 16. rack; 17. damper; 18. connecting rod; 19. servo motor; 20. connecting shaft; 21. fixing plate; 22. electric suction cup; 23. buffer plate; 24. buffer spring; 25. spring slot; 26. connecting column. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Example 1: Please refer to Figure 1-4 A crane hoisting device with accurate positioning includes a frame 1, an electric slide rail 2 is arranged inside the frame 1, connecting blocks 6 are arranged on both sides of the bottom end of the electric slide rail 2, a protective shell 7 is fixedly connected to the bottom end of the connecting block 6, and a limiting mechanism for facilitating the positioning of goods is arranged inside the connecting block 6;
[0026] The limiting mechanism includes a placement plate 13, a limiting plate 14 and a servo motor 19. The servo motor 19 is installed at the rear end of the protective shell 7. The output end of the servo motor 19 is fixedly connected to a connecting shaft 20. The outside of the connecting shaft 20 is fixedly connected to a gear 11. A rack 16 is provided on one side near the middle of the inside of the protective shell 7. The rack 16 is fixedly connected to the limiting plate 14 on one side near the middle. The bottom end of the protective shell 7 near the middle is fixedly connected to the placement plate 13. The bottom end of the frame 1 is provided with an electric push rod 4. The bottom end of the electric push rod 4 is installed with a fixing plate 21. The bottom end of the fixing plate 21 is installed with an electric suction cup 22.
[0027] The limiting plate 14 is arranged on the top of the placing plate 13, and the gear 11 and the rack 16 cooperate with each other;
[0028] Specifically, Figure 1 and Figure 3 As shown, the cargo to be lifted is placed on the top of the placement plate 13, and then the servo motor 19 is started. The servo motor 19 drives the gear 11 to rotate through the connecting shaft 20, so that the rack 16 can drive the limit plate 14 to descend, so that the limit plate 14 can limit and position the cargo to prevent the cargo from shaking during the lifting process. After the cargo is fixed, the electric push rod 4 and the electric suction cup 22 are started. The electric push rod 4 drives the electric suction cup 22 to descend through the fixing plate 21, so that the bottom end of the electric suction cup 22 contacts the cargo to further position the cargo.
[0029] Embodiment 2: A mounting plate 9 is installed inside the protective shell 7, a hydraulic cylinder 10 is installed at the bottom end of the mounting plate 9, a limit block 15 is installed at the bottom end of the hydraulic cylinder 10, a tooth block is processed on the outside of the gear 11, and the limit block 15 is embedded between the tooth blocks. The side of the inside of the protective shell 7 close to the outside is fixedly connected to the limit groove 8, the top and bottom of both ends of the rack 16 are respectively fixedly connected to the connecting rod 18, and the side of the connecting rod 18 close to the outside is fixedly connected to the slider 12, the slider 12 is arranged inside the limit groove 8, and the slider 12 slides up and down inside the limit groove 8. The two sides of the top of the frame 1 are fixedly connected with the mounting blocks 3, and the inside of the mounting blocks 3 is provided with hanging holes 5, and the mounting blocks 3 are symmetrically distributed about the center point of the frame 1;
[0030] Specifically, Figure 1 and Figure 2 As shown, when the rack 16 is raised or lowered, the slider 12 on one side of the connecting rod 18 will slide up and down inside the limiting groove 8, so that the rack 16 can be limited to prevent the rack 16 and the gear 11 from being misaligned and affecting the lifting of the rack 16. After the rack 16 is lifted or lowered to a suitable position, the hydraulic cylinder 10 is started, and the hydraulic cylinder 10 drives the limiting block 15 to be embedded between the tooth blocks outside the gear 11 to prevent the gear 11 from accidentally driving the rack 16 to rise or fall, thereby improving the stability of the device.
[0031] Embodiment 3: A buffer plate 23 is provided at the bottom end of the placement plate 13 and the protective shell 7, a damper 17 is installed at the middle position of the top end of the buffer plate 23, spring grooves 25 are fixedly connected to both sides of the top end of the buffer plate 23, a buffer spring 24 is provided inside the spring groove 25, a connecting column 26 is fixedly connected to the top end of the buffer spring 24, the damper 17 is provided between the buffer plate 23 and the placement plate 13, and the top end of the connecting column 26 is fixedly connected to the bottom end of the protective shell 7 and the placement plate 13 respectively;
[0032] Specifically, Figure 1 and Figure 4 As shown, when the device descends to a suitable position, the buffer spring 24 will buffer the cargo and the device through its own elasticity to prevent the cargo and the device from being damaged due to excessive descent speed, thereby protecting the cargo. The damper 17 can limit the buffer spring 24 to prevent the buffer spring 24 from shaking too much and affecting the stability of the device.
[0033] Working principle: When the utility model is in use, the cargo to be lifted is placed on the top of the placement plate 13. After placing it, the servo motor 19 is started. The servo motor 19 drives the gear 11 to rotate through the connecting shaft 20, so that the rack 16 drives the limit plate 14 to descend, so that the limit plate 14 limits the cargo to prevent the cargo from shaking during the lifting process. When the rack 16 is lifted, the slider 12 on one side of the connecting rod 18 will slide up and down inside the limit groove 8, so that the rack 16 can be limited to prevent the rack 16 and the gear 11 from being misaligned and affecting the lifting of the rack 16. After lifting to the appropriate position, the hydraulic cylinder 10 is started, and the hydraulic cylinder 10 drives the limit block 15 to descend, so that the limit plate 14 can limit the cargo. The positioning block 15 is embedded between the tooth blocks outside the gear 11 to prevent the gear 11 from accidentally driving the rack 16 to rise and fall, thereby improving the stability of the device. After the goods are fixed, the electric push rod 4 and the electric suction cup 22 are started. The electric push rod 4 drives the electric suction cup 22 to descend through the fixing plate 21, so that the bottom end of the electric suction cup 22 contacts the goods to further position the goods. The buffer spring 24 will buffer the goods and the device through its own elasticity to prevent the goods and the device from being damaged due to excessive descent speed, thereby protecting the goods. The damper 17 can limit the buffer spring 24 to prevent the buffer spring 24 from shaking too much and affecting the stability of the device.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A crane hoisting device with accurate positioning, comprising a frame (1), characterized in that: An electric slide rail (2) is arranged inside the frame (1), connecting blocks (6) are arranged on both sides of the bottom end of the electric slide rail (2), a protective shell (7) is fixedly connected to the bottom end of the connecting block (6), and a limiting mechanism for facilitating the positioning of goods is arranged inside the connecting block (6); The limiting mechanism comprises a placement plate (13), a limiting plate (14) and a servo motor (19); the rear end of the protective shell (7) is provided with a servo motor (19); the output end of the servo motor (19) is fixedly connected to a connecting shaft (20); the outside of the connecting shaft (20) is fixedly connected to a gear (11); a rack (16) is provided on a side close to the middle of the inside of the protective shell (7); the side close to the middle of the rack (16) is fixedly connected to the limiting plate (14); the bottom end of the side close to the middle of the protective shell (7) is fixedly connected to the placement plate (13); the bottom end of the frame (1) is provided with an electric push rod (4); the bottom end of the electric push rod (4) is installed with a fixing plate (21); the bottom end of the fixing plate (21) is installed with an electric suction cup (22).
2. The crane hoisting device with accurate positioning according to claim 1, characterized in that: The limiting plate (14) is arranged on the top end of the placement plate (13), and the gear (11) and the rack (16) cooperate with each other.
3. The crane hoisting device with accurate positioning according to claim 1, characterized in that: A mounting plate (9) is installed inside the protective shell (7), a hydraulic cylinder (10) is installed at the bottom end of the mounting plate (9), a limit block (15) is installed at the bottom end of the hydraulic cylinder (10), a tooth block is machined on the outside of the gear (11), the limit block (15) is embedded between the tooth blocks, and the inside of the protective shell (7) is fixedly connected to the limit groove (8) on one side close to the outside.
4. The crane hoisting device with accurate positioning according to claim 3, characterized in that: The top and bottom of both ends of the rack (16) are respectively fixedly connected to connecting rods (18), and the side of the connecting rod (18) close to the outside is fixedly connected to a sliding block (12).
5. The crane hoisting device with accurate positioning according to claim 4, characterized in that: The slider (12) is arranged inside the limiting groove (8), and the slider (12) slides up and down inside the limiting groove (8).
6. The crane hoisting device with accurate positioning according to claim 5, characterized in that: Mounting blocks (3) are fixedly connected to both sides of the top of the frame (1), hanging holes (5) are provided inside the mounting blocks (3), and the mounting blocks (3) are symmetrically distributed about the center point of the frame (1).
7. The crane hoisting device with accurate positioning according to claim 1, characterized in that: A buffer plate (23) is provided at the bottom end of the placement plate (13) and the protective shell (7), a damper (17) is installed at the middle position of the top end of the buffer plate (23), spring grooves (25) are fixedly connected to both sides of the top end of the buffer plate (23), a buffer spring (24) is provided inside the spring groove (25), and a connecting column (26) is fixedly connected to the top end of the buffer spring (24).
8. The crane hoisting device with accurate positioning according to claim 7, characterized in that: The damper (17) is arranged between the buffer plate (23) and the placement plate (13), and the top ends of the connecting columns (26) are respectively fixedly connected to the bottom ends of the protective shell (7) and the placement plate (13).