Single-beam and double-beam multiplexing electric hoist crane with good balance
By designing a flexible configuration of single and double beam reusable electric hoist crane, combined with the double beam pulley mechanism and the single beam pulley mechanism, the existing single beam crane has limited lifting capacity and complex structure of the double beam crane, and efficient lifting is achieved for different environments and items.
Patent Information
- Application Number
- CN202421662476.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing single-beam suspension crane has limited lifting capacity and is suitable for light to medium-sized items and is not suitable for places with large spans; the double-beam crane has a complex structure, high manufacturing and installation difficulty, and its own weight is large, which affects the working environment.
A electric hoist crane with good balanced single and double beam multiplexing is designed, using a structure that combines a double beam pulley mechanism and a single beam pulley mechanism. Through a removable sliding sleeve and fixed seat, the conversion of single beam and double beam is achieved according to the use environment.
It realizes the simple structure and lightweight characteristics of a single-beam crane. Combined with the strong load-bearing capacity and stability of a double-beam crane, it is suitable for lifting different environments and items, and expands the scope of application.
Smart Images

Figure CN222935046U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric hoist cranes, and particularly to an electric hoist crane with good balance and capable of being used for both single-beam and double-beam cranes. Background Art
[0002] An electric hoist is a special lifting device, usually installed on overhead cranes and gantry cranes. It has the characteristics of small size, light self-weight, simple operation, and convenient use, and is widely used in industrial and mining enterprises, warehousing, docks and other places. When an electric hoist is used on a crane, it is divided into a single-beam suspension crane and a double-beam crane.
[0003] After the applicant searched for existing single-beam suspension cranes and double-beam cranes, a single-beam suspension crane is a special lifting device, relatively simple and lightweight, mainly composed of a single beam and a bracket, without a complex support structure. Its main feature is that its cross beam is suspended and fixed on the traveling track of a building. A double-beam crane is a special lifting device, with the characteristics of compact structure, strong load-bearing capacity, and stable operation, and can be used for tasks such as hoisting, handling, and installation of large-scale projects.
[0004] However, the lifting capacity of a single-beam suspension crane is relatively limited, mainly suitable for the lifting and handling of light to medium-sized items, and its span is relatively small, not suitable for lifting operations in places with a large span. A double-beam crane has a complex structure, high manufacturing and installation difficulty, and its own weight is large, which will cause a certain burden on the working environment.
[0005] Therefore, in view of the above problems, it is necessary for the applicant to design an electric hoist crane with good balance and capable of being used for both single-beam and double-beam cranes to solve the problems. Content of the Utility Model
[0006] The purpose of the utility model is to provide an electric hoist crane with good balance and capable of being used for both single-beam and double-beam cranes to solve the problems mentioned in the above background art.
[0007] To solve the above technical problems, the utility model provides an electric hoist crane with good balance and reusable single and double beams, including: two double-beam pulley mechanisms, and the two double-beam pulley mechanisms are the same. The double-beam pulley mechanism includes a fixed plate, and a fixed rod is fixedly arranged on the top surface of the fixed plate. Two clamping blocks are detachably installed on the outer surface of one side of the fixed rod, and a sliding sleeve is detachably installed between the opposite surfaces of the two clamping blocks. A single-beam pulley mechanism, the single-beam pulley mechanism includes a hollow sleeve, and the inner surface of the hollow sleeve is slidably connected to the outer surfaces of the two sliding sleeves in the horizontal direction. Two fixed seats are fixedly arranged on the inner surface of the hollow sleeve, and springs are fixedly arranged on the outer surfaces of one side of the two fixed seats. The ends of the two springs away from the fixed seats are fixedly provided with stabilizing plates, and the outer surfaces of the two stabilizing plates are respectively fixedly connected to the inner surfaces of the two sliding sleeves.
[0008] Further, grooves are formed on the outer surfaces of one side of the two clamping blocks, screws are detachably installed on the inner surfaces of the two grooves, and nuts are threadedly arranged on the outer surfaces of one side of the screws.
[0009] Further, a fixed shaft is fixedly arranged at the end of the fixed rod away from the fixed plate, and first pulleys are rotatably arranged at both ends of the fixed shaft.
[0010] Further, four second pulleys are movably arranged on the inner surface of the hollow sleeve in the horizontal direction, and the four second pulleys are divided into two groups. A stabilizing shaft is rotatably arranged between the opposite surfaces of the two groups of second pulleys, and a connecting rod is fixedly arranged between the opposite surfaces of the two stabilizing shafts.
[0011] Further, an installation part is fixedly arranged on the bottom surface of the connecting rod, a sliding rod is fixedly arranged between the inner surfaces of both sides of the installation part, a connecting part is rotatably arranged on the outer surface of one side of the sliding rod, two connecting seats are rotatably arranged on the bottom surface of the connecting part, and an electric hoist is fixedly arranged on the bottom surfaces of the two connecting seats.
[0012] The beneficial effect of the utility model is that the electric hoist crane with good balance and reusable single and double beams has both the simple structure and light weight characteristics of a single-beam crane and the strong load-bearing capacity and stability of a double-beam crane. It can be flexibly configured according to the use environment and has a wide range of applications. The specific content is as follows:
[0013] 1. The utility model is provided with a single-beam pulley mechanism. When hoisting and transporting light to medium-sized items, the fixed seat is disassembled and the sliding sleeve is pulled out. After the configuration is completed, it is convenient to hang items with the electric hoist. The electric hoist and the second pulley are conveniently connected through the stabilizing shaft, connecting rod, installation part, sliding rod, connecting part and connecting seat. The second pulley rolling in the hollow sleeve will drive the electric hoist to move, so as to facilitate the movement of items. The structure is simple and the operation is light.
[0014] 2. The utility model is provided with a double-beam pulley mechanism. When hoisting and handling large items, the fixed seat is installed and the sliding sleeve is inserted into the hollow sleeve. The relative distance between the sliding sleeve and the hollow sleeve is fixed according to the use environment, which is convenient for adapting to different environments. At the same time, the second pulley and the hollow sleeve are fixed by screws. After the assembly is completed, the first pulley is used to slide on the external cross beam, which is convenient for handling large items and has strong stability and load-bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present utility model will be further described below in conjunction with the drawings and embodiments.
[0016] Figure 1 is the overall three-dimensional view of the preferred embodiment of the present utility model;
[0017] Figure 2 is the three-dimensional structural schematic diagram of the double-beam pulley mechanism of the preferred embodiment of the present utility model;
[0018] Figure 3 is the exploded three-dimensional structural schematic diagram of the single-beam pulley mechanism of the preferred embodiment of the present utility model;
[0019] Figure 4 is the preferred embodiment of the present utility model Figure 3 The enlarged structural schematic diagram at position A in;
[0020] Figure 5 is the three-dimensional sectional structural schematic diagram of the hollow sleeve of the preferred embodiment of the present utility model.
[0021] In the figure: 1. Sliding sleeve; 2. Double-beam pulley mechanism; 3. Single-beam pulley mechanism; 20. Fixed plate; 21. Clamping block; 22. Groove; 23. Screw; 24. Fixed rod; 25. Fixed shaft; 26. First pulley; 30. Hollow sleeve; 31. Second pulley; 32. Stabilizing shaft; 33. Connecting rod; 34. Mounting member; 35. Slide bar; 36. Connecting member; 37. Connecting seat; 38. Electric hoist; 230. Nut; 300. Fixed seat; 301. Spring; 302. Stabilizing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] The present utility model will now be further described in detail in conjunction with the drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.
[0023] Such as Figures 1 - 5As shown in the figure, a kind of electric hoist crane with good balance and reusable single and double beams of the utility model includes two double-beam pulley mechanisms 2, and the two double-beam pulley mechanisms 2 are the same. The double-beam pulley mechanism 2 includes a fixed plate 20, and a fixed rod 24 is fixedly arranged on the top surface of the fixed plate 20. Two clamping blocks 21 are detachably installed on the outer surface of one side of the fixed rod 24, and a sliding sleeve 1 is detachably installed between the opposite surfaces of the two clamping blocks 21. Grooves 22 are opened on the outer surface of one side of the two clamping blocks 21, and screws 23 are detachably installed on the inner surfaces of the two grooves 22. A nut 230 is threadedly arranged on the outer surface of one side of the screw 23. One end of the fixed rod 24 away from the fixed plate 20 is fixedly provided with a fixed shaft 25, and a first pulley 26 is rotatably arranged at both ends of the fixed shaft 25.
[0024] Through the above structural design, when hoisting and handling large items, after installing the fixed seat 300 and inserting the sliding sleeve 1 into the hollow sleeve 30, the relative distance between the sliding sleeve 1 and the hollow sleeve 30 is fixed according to the use environment, which is convenient for adapting to different environments. At the same time, the second pulley 31 and the hollow sleeve 30 are fixed by the screw 23. After the assembly is completed, the first pulley 26 is used to facilitate sliding on the external crossbeam track, which is convenient for handling large items and has strong stability and bearing capacity.
[0025] The single-beam pulley mechanism 3 includes a hollow sleeve 30, and the inner surface of the hollow sleeve 30 is slidably connected to the outer surfaces of the two sliding sleeves 1 in the horizontal direction. Two fixed seats 300 are fixedly arranged on the inner surface of the hollow sleeve 30, and a spring 301 is fixedly arranged on the outer surface of one side of each of the two fixed seats 300. A stabilizing plate 302 is fixedly arranged at one end of each of the two springs 301 away from the fixed seat 300, and the outer surfaces of the two stabilizing plates 302 are respectively fixedly connected to the inner surfaces of the two sliding sleeves 1. Four second pulleys 31 are movably arranged on the inner surface of the hollow sleeve 30 in the horizontal direction, and the four second pulleys 31 are divided into two groups. A stabilizing shaft 32 is rotatably arranged between the opposite surfaces of the two groups of second pulleys 31, and a connecting rod 33 is fixedly arranged between the opposite surfaces of the two stabilizing shafts 32. An installation part 34 is fixedly arranged on the bottom surface of the connecting rod 33, and a sliding rod 35 is fixedly arranged between the inner surfaces of both sides of the installation part 34. A connecting piece 36 is rotatably arranged on the outer surface of one side of the sliding rod 35. Two connecting seats 37 are rotatably arranged on the bottom surface of the connecting piece 36, and an electric hoist 38 is fixedly arranged on the bottom surface of the two connecting seats 37.
[0026] With the above structural design, when hoisting and handling light to medium-sized items, the fixing base 300 is disassembled and the sliding sleeve 1 is pulled out. After the configuration is completed, the electric hoist 38 is used to hang the item. Through the stabilizing shaft 32, connecting rod 33, mounting member 34, sliding rod 35, connecting member 36 and connecting seat 37, it is convenient to connect the electric hoist 38 and the second pulley 31. The second pulley 31 rolls in the hollow sleeve 30 to drive the electric hoist 38 to move, so as to facilitate the movement of the item. The structure is simple and the operation is light.
[0027] Working principle: When using this electric hoist crane with good balance for single and double beams, when hoisting and handling light to medium-sized items, the fixing base 300 is disassembled and the sliding sleeve 1 is pulled out. After the configuration is completed, the electric hoist 38 is used to hang the item. Through the stabilizing shaft 32, connecting rod 33, mounting member 34, sliding rod 35, connecting member 36 and connecting seat 37, it is convenient to connect the electric hoist 38 and the second pulley 31. The second pulley 31 rolls in the hollow sleeve 30 to drive the electric hoist 38 to move, so as to facilitate the movement of the item. The structure is simple and the operation is light. When hoisting and handling large items, the fixing base 300 is installed and the sliding sleeve 1 is inserted into the hollow sleeve 30. The relative distance between the sliding sleeve 1 and the hollow sleeve 30 is fixed according to the use environment to facilitate adaptation to different environments. At the same time, the second pulley 31 and the hollow sleeve 30 are fixed by screws 23. After the assembly is completed, the first pulley 26 is used to slide on the external crossbeam track, which is convenient for handling large items and has strong stability and load-bearing capacity.
[0028] Inspired by the above ideal embodiments of the present invention, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A well-balanced single-beam and double-beam multiplexed electric hoist crane, characterized in that: include: Two double-beam pulley mechanisms (2), and the two double-beam pulley mechanisms (2) are identical, the double-beam pulley mechanisms (2) comprising a fixing plate (20), and a fixing rod (24) is fixedly provided on the top surface of the fixing plate (20), two clamping blocks (21) are detachably mounted on the outer surface of one side of the fixing rod (24), and a sliding sleeve (1) is detachably mounted between opposite surfaces of the two clamping blocks (21); A single-beam pulley mechanism (3), the single-beam pulley mechanism (3) comprising a hollow sleeve (30), wherein the inner surface of the hollow sleeve (30) is slidably connected to the outer surfaces of two sliding sleeves (1) in a horizontal direction, the inner surface of the hollow sleeve (30) is fixedly provided with two fixing seats (300), and one side outer surface of the two fixing seats (300) is fixedly provided with a spring (301), and one end of the two springs (301) away from the fixing seats (300) is fixedly provided with a stabilizing plate (302), and the outer surfaces of the two stabilizing plates (302) are respectively fixedly connected to the inner surfaces of the two sliding sleeves (1).
2. The single-beam and double-beam multiplexed electric hoist crane with good balance as claimed in claim 1, characterized in that: One side outer surface of the two clamping blocks (21) is provided with a groove (22), the inner surfaces of the two grooves (22) are provided with screws (23) for disassembly and installation, and one side outer surface of the screws (23) is provided with a nut (230) in a threaded manner.
3. The single-beam and double-beam multiplexed electric hoist crane with good balance as claimed in claim 2, characterized in that: A fixed shaft (25) is fixedly arranged at one end of the fixed rod (24) away from the fixed plate (20), and first pulleys (26) are rotatably arranged at both ends of the fixed shaft (25).
4. The single-beam and double-beam multiplexed electric hoist crane with good balance as claimed in claim 1, characterized in that: The inner surface of the hollow sleeve (30) is provided with four second pulleys (31) movably arranged in the horizontal direction, and the four second pulleys (31) are divided into two groups, and a stabilizing shaft (32) is rotatably arranged between the opposite surfaces of the two groups of the second pulleys (31), and a connecting rod (33) is fixedly arranged between the opposite surfaces of the two stabilizing shafts (32).
5. The single-beam and double-beam multiplexed electric hoist crane with good balance as claimed in claim 4, characterized in that: A mounting member (34) is fixedly provided on the bottom surface of the connecting rod (33), and a sliding rod (35) is fixedly provided between the inner surfaces of both sides of the mounting member (34). A connecting member (36) is rotatably provided on the outer surface of one side of the sliding rod (35), and two connecting seats (37) are rotatably provided on the bottom surface of the connecting member (36), and electric hoists (38) are fixedly provided on the bottom surfaces of the two connecting seats (37).