Lifting appliance for lifting preprinting plate roller
By designing a lifting device that includes a hook, a fixed frame, and a motor drive, the problem of swaying during the lifting of pre-printing rollers was solved, achieving stability and safety in the lifting process, reducing equipment damage and safety risks, and improving operational efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUIZHOU WANLONG PRINTING CO LTD
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-10
AI Technical Summary
Existing lifting devices cannot effectively limit the swaying of pre-printing rollers when lifting them, resulting in equipment damage and high safety risks.
A lifting device comprising a hook, a fixed frame, a sliding frame, and a drive component was designed. Through the combination of the sliding frame and the slide rail, a stable bearing and controllable lifting of the pre-printing roller are achieved. A motor-driven stranded wire system is used for precise control to ensure the smoothness and safety of the lifting process.
It effectively suppressed the shaking of the pre-printing roller, improved the stability and safety of the hoisting process, reduced the risk of equipment damage and personnel injury, and improved operational efficiency.
Smart Images
Figure CN224105433U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hoisting equipment technical field especially a kind of lifting appliance for pre-printing plate roller hoisting. BACKGROUND
[0002] In printing industry, pre-printing plate roll is as important production equipment component, and its hoisting work is frequently carried out. The lifting appliance currently used is mostly simple structure, only has basic hoisting function, and stability problem in hoisting process is not fully considered in design. This kind of simple lifting appliance cannot effectively limit the movement of pre-printing plate roll when hoisting pre-printing plate roll. Since pre-printing plate roll is long and heavy, it will shake greatly in hoisting process with slight external interference. This shaking not only easily leads to collision between pre-printing plate roll and surrounding equipment, causes equipment damage, more seriously, it will pose great threat to personal safety of on-site operator, and there is high safety risk.
[0003] In order to improve this situation, a new lifting appliance is needed, which can effectively suppress the shaking of pre-printing plate roll during hoisting, ensure the stability and safety of hoisting process, and thus improve overall safety and work efficiency in printing production process. SUMMARY
[0004] In view of the above shortcomings, the utility model provides a kind of lifting appliance for pre-printing plate roller hoisting, which can effectively suppress the shaking of pre-printing plate roll during hoisting, ensure the stability and safety of hoisting process.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A kind of lifting appliance for pre-printing plate roller hoisting, including lifting hook, fixed frame, sliding frame and driving part, fixed frame includes protective cover and sliding chute frame, protective cover is fixedly arranged on the upper portion of sliding chute frame, sliding frame is longitudinally sliding and is limited to slide in sliding chute frame, lifting hook has two and is correspondingly installed at the two ends of the lower side of sliding frame, driving part is installed on protective cover to drive sliding frame to slide up and down.
[0007] Preferably, the sliding frame includes a first mounting plate, a second vertical beam, and a second mounting plate. The second vertical beam has four roots and is fixedly connected to the outer sides of the four corners of the first mounting plate. The second mounting plate is fixedly connected to the bottom of the four second vertical beams. Two lifting hooks are installed at the lower ends of the second mounting plate. The sliding chute frame includes a first vertical beam and a connecting plate. The first vertical beam has four roots and is fixedly connected to the connecting plate. The connecting plate is fixedly connected to the lower side of the protective cover. The inner side of the first vertical beam is provided with a longitudinal sliding rail. The four second vertical beams are slidingly arranged in the sliding rail.
[0008] The driving component comprises a motor, a connecting rod, two winches and two wires. The motor is fixedly installed on the side of the protective cover. The connecting rod is located in the protective cover and is fixedly connected with the rotating shaft of the motor. The two winches are fixedly connected at the two ends of the connecting rod. The two wires are fixedly connected at the two ends of the upper portion of the sliding frame.
[0009] Preferably, the second mounting plate is provided with two connecting members which are fixedly connected at the lower side of the second mounting plate, and the two hooks are fixedly connected with the two connecting members.
[0010] Preferably, the first mounting plate is provided with two connecting members which are fixedly connected at the upper side of the second mounting plate, and the two wires are fixedly connected with the two connecting members.
[0011] Preferably, the connecting plate is further provided with two guides which are fixedly connected between the two sliding rails of the two first vertical beams at the same side. The guide comprises a limiting block and a recessed wheel. The middle portion of the limiting block is provided with a slot, and the recessed wheel is rotatably installed in the slot. The wheel body of the recessed wheel is provided with a wheel groove which is matched with the diameter of the wire. The wire is fixedly connected with the winch through the recessed groove.
[0012] Preferably, the wheel groove at the side of the wire is located on the central axis of the sliding rail.
[0013] Preferably, the connecting member comprises a tripod and a connecting ring. The tripod is fixedly installed on the sliding frame, and the connecting ring is located at the top end of the tripod and is used to connect the hook or the wire.
[0014] Preferably, the fixed frame further comprises a hoisting frame which is fixedly connected at the two sides of the connecting plate and is used to be fixedly connected with the hoisting device.
[0015] Compared with the prior art, the device has the advantages that the device comprises a lifting hook, a fixing frame, a sliding frame and a driving component, can realize stable bearing and controllable lifting of a preprinting plate roller, the fixing frame comprises a protective cover and a sliding groove frame, the combination of the protective cover and the sliding groove frame provides structural support and protection for a driving system and the sliding frame, the protective cover is a cylindrical shell, the lower part of the protective cover is flush with the upper part of the sliding groove frame, the lower part of the protective cover is provided with an opening, and the opening side of the protective cover is fixedly arranged on the upper part of the sliding groove frame, the sliding groove frame comprises a first vertical beam and a connecting plate, the first vertical beam has four vertical beams and is fixedly connected to the four corners of the connecting plate, the vertical arrangement of the four first vertical beams effectively improves the stability and vertical bearing capacity of the overall lifting tool structure, and prevents inclination or structural deformation problems during lifting, the middle part of the connecting plate is hollow and is fixedly connected to the lower side of the protective cover, the hollow structure of the middle part of the connecting plate reduces the overall weight, facilitates operation of the driving component and threading of a wire, and simultaneously provides a stable support basis through the fixed connection with the lower side of the protective cover, and the inner side of the first vertical beam is provided with a longitudinal sliding rail, the sliding rail is used for guiding stable movement of the sliding frame in the vertical direction, effectively controls deviation and shaking during sliding, and enhances controllability of operation of the lifting tool. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.
[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0018] Figure 2 It is a partial sectional view in the present application.
[0019] Figure 3 It is a schematic diagram of the overall structure of the sliding frame in the present application.
[0020] Figure 4 It is a structure diagram of the connecting piece in the present application.
[0021] Figure 5 It is an enlarged view of A in the present application. Figure 2
[0022] Figure 6 It is a schematic diagram of the overall structure of the driving component in the present application.
[0023] 1, fixed frame; 11, sliding groove frame; 111, first vertical beam; 112, connecting plate; 113, sliding rail; 12, protective cover; 13, lifting frame; 14, guider; 141, limiting block; 142, recess wheel; 2, sliding frame; 21, first mounting plate; 22, second vertical beam; 23, second mounting plate; 24, connecting piece; 241, tripod; 242, connecting ring; 3, lifting hook; 4, driving part; 41, motor; 42, connecting rod; 43, winch; 44, wire. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] In the description of the present application, it should be pointed out that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0026] In the description of the present application, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.
[0027] The present application provides a lifting device for lifting a pre-printing plate roller, which effectively suppresses the shaking of the pre-printing plate roller during lifting, ensures the stability and safety of the lifting process, and has the advantages of Figures 1-6As shown, the device comprises a hook 3, a fixed frame 1, a sliding frame 2 and a driving part 4, can realize stable bearing and controllable lifting of the pre-printing plate roller, the overall structure is compact, and is suitable for frequent lifting operation requirements; the fixed frame 1 comprises a protective cover 12 and a sliding groove frame 11, the combination of the protective cover 12 and the sliding groove frame 11 provides structural support and protection for the driving system and the sliding frame 2, facilitates integrated design of components, and enhances overall structural strength and impact resistance; the protective cover 12 is in the form of a cylindrical shell, the lower part is flush with the upper part of the sliding groove frame 11, and the lower part of the protective cover 12 is provided with an opening; the opening side of the protective cover 12 is fixedly arranged on the upper part of the sliding groove frame 11; this structure forms a stable closed space for the protective cover 12, effectively protects the internal motor 41 and transmission mechanism, and provides an operation channel for the up-down movement of the sliding frame 2; the sliding groove frame 11 comprises a first vertical beam 111 and a connecting plate 112; the first vertical beam 111 has four vertical beams and is fixedly connected to the four corners of the connecting plate 112; through the vertical arrangement of the four first vertical beams 111, the stability and vertical bearing capacity of the overall lifting device structure are effectively improved, and the problems of inclination or structural deformation during lifting are prevented; the connecting plate 112 is hollow in the middle and is fixedly connected to the lower side of the protective cover 12; the hollow structure of the middle of the connecting plate 112 reduces the overall weight, facilitates the operation of the driving part 4 and the passage of the wire 44, and provides a stable support basis through the fixed connection with the lower side of the protective cover 12; the inner side of the first vertical beam 111 is provided with a longitudinal sliding rail 113; the sliding rail 113 is used for guiding the stable movement of the sliding frame 2 in the vertical direction, effectively controlling the deviation and shaking in the sliding process, and enhancing the controllability of the lifting device operation;
[0028] The sliding frame 2 comprises a first mounting plate 21, a second vertical beam 22 and a second mounting plate 23, and is in the form of a closed loop frame, which is used for installing the hook 3 and the connecting wire 44 and ensuring uniform distribution of the load; the second vertical beam 22 has four vertical beams and is fixedly connected to the outer sides of the four corners of the first mounting plate 21; the outer arrangement of the second vertical beam 22 forms a stable support rectangular frame, so that the rigidity of the overall structure of the sliding frame 2 is improved, and the sliding frame 2 can keep balance and move vertically in heavy lifting; the second mounting plate 23 is fixedly connected to the bottom of the four second vertical beams 22, provides a mounting basis for the hook 3, forms an overall stress surface, and avoids structural deformation caused by gravity concentration; two hooks 3 are installed at the lower ends of the second mounting plate 23, forming a double-point support mode, exerting symmetrical lifting force on the pre-printing plate roller, effectively limiting overturning and swinging, and improving lifting stability; the four second vertical beams 22 are slidingly arranged in the sliding rail 113, so that the sliding frame 2 moves in the fixed frame 1 along the sliding rail 113 in a precise guided manner, reduces friction resistance and improves movement accuracy;
[0029] The driving component 4 comprises a motor 41, a connecting rod 42, a winch 43 and a wire 44, and realizes the motorized operation of lifting and lowering by active control, instead of manual adjustment, thereby improving the operation efficiency; the motor 41 is fixedly installed on the side of the protection cover 12, the installation position is convenient for maintenance and repair, and meanwhile, the closed operation of the transmission component is ensured, thereby avoiding the damage caused by external force; the connecting rod 42 is located in the protection cover 12 and is fixedly connected with the rotating shaft of the motor 41, the structure design transmits the power of the motor 41 to the winch 43 through the connecting rod 42, realizes the closed transmission of power, and ensures the response speed of the structure and the load synchronization; the winch 43 is provided with two winches 43, the two winches 43 are fixedly connected at the two ends of the connecting rod 42, the double winch 43 design can make the two ends of the load simultaneously and synchronously lift by winding two wires 44 respectively, thereby avoiding the shaking and load deviation caused by the inclined lifting and carrying; the wire 44 is provided with two wires 44, and one end of the wire 44 is fixedly connected with the two winches 43 in a one-to-one correspondence, and the other end of the wire 44 is fixedly connected with the two ends of the upper portion of the sliding frame 2, the wire 44 plays the roles of bearing and traction, and realizes the balance of the gravity center in the lifting process through the independent control of the two sides, thereby effectively eliminating the swing caused by the uneven load;
[0030] The fixed frame 1 further comprises a lifting frame 13, the lifting frame 13 is fixedly connected on the two sides of the connecting plate 112, and forms the connecting intermediary between the whole lifting appliance and the external hoisting equipment; the lifting frame 13 is welded and fixed on the lifting device, so that the whole lifting appliance structure is rigidly connected with the hoisting equipment, thereby reducing the risk of rotation or shaking caused by the unstable lifting point;
[0031] In the preferred embodiment, the second mounting plate 23 and the first mounting plate 21 are provided with connecting pieces 24, which improve the stability and tensile performance of the lifting wire 44 and the hook 3 installation, prevent the connection from loosening or falling off during lifting; the connecting piece 24 includes a tripod 241 and a connecting ring 242, the tripod 241 is an isosceles triangle, which is stable and reliable in structure, uniform in stress and clear in direction, and can effectively disperse the tension; the third side of the tripod 241 is fixedly installed on the sliding frame 2, which ensures that the connecting piece 24 is firm in structure and has no swing, and improves the load stability; the connecting ring 242 is located at the top of the tripod 241 to connect the hook 3 or the wire 44, and the connecting ring 242 is a load transmission node, which is symmetrical in structure, facilitates flexible connection of the hook 3 and the wire 44, and improves the installation convenience and lifting safety; two connecting pieces 24 are fixedly connected to the lower side of the second mounting plate 23, and two hooks 3 are correspondingly installed on the connecting rings 242 of the two connecting pieces 24, so that the load of the hook 3 is more evenly distributed to the entire platform, avoiding the shaking caused by single-point lifting; two connecting pieces 24 are fixedly connected to the upper side of the second mounting plate 23, and two wires 44 are correspondingly fastened to the connecting rings 242 of the two connecting pieces 24, so that the traction of the wire 44 directly acts on the middle part of the sliding frame 2, avoiding the deviation or jam caused by the eccentric load; wherein each connecting piece 24 is located on the central axis of the slide rail 113 on the same side, by placing the force application point on the symmetry axis of the slide rail 113, the load is uniformly transmitted along the sliding track, which fundamentally inhibits the twisting or deflection of the sliding frame 2, and ensures the verticality and stability of the overall movement;
[0032] In the preferred embodiment, the connecting plate 112 is also provided with a guide 14, further improving the guiding accuracy and structural stability of the wire 44 during movement, preventing the wire 44 from deviating during operation; the guide 14 has two, corresponding to the sliding rails 113 between the two first vertical beams 111 on the same side, so that the guiding structure is symmetrically distributed on the load path, ensuring that the left and right wires 44 can operate under the same path constraint, improving the overall collaborative operation accuracy; the guide 14 includes a limiting block 141 and a groove wheel 142, the limiting block 141 serves to constrain the operating range of the wire 44, while the groove wheel 142 provides smooth guiding support; the limiting block 141 is slotted in the middle, and the groove wheel 142 is rotatably installed in the slot of the limiting block 141, so that the wire 44 can pass through the wheel groove with minimal friction during lifting, avoiding wear and tension loss caused by multiple point friction; the wheel body of the groove wheel 142 is provided with a wheel groove matching the diameter of the wire 44, ensuring that the wire 44 runs stably after embedding and does not fall out of the groove, improving hoisting safety; the wire 44 fixed on the winch 43 passes through the groove and is tightly connected with the connecting ring 242 on the first mounting plate 21, so that the entire wire 44 forms a complete closed hoisting loop, forming a controlled power path from the driving end to the load end; the wheel groove on the side with the wire 44 is located on the central axis of the sliding rail 113, which ensures that the force direction of the wire 44 is consistent with the movement direction of the sliding rail 113, effectively avoiding component wear and mechanism jam caused by lateral stress; the wire 44 passing out of the winch 43 is guided vertically downward by the groove wheel 142 to the first mounting plate 21, so that the driving component 4 only has a vertical force when the driving slide 2 rises or falls, realizing linear control and avoiding the occurrence of partial load or friction torque in the driving path, improving driving efficiency and control accuracy; reducing the friction between the slide 2 and the fixed frame 1, thereby improving the service life and operation smoothness of the overall structure in frequent hoisting operations, enhancing the sustainability and safety of system operation.
[0033] The utility model is used for the lifting appliance of preprinting plate roller hoisting in the use process, and its working procedure is as follows: first, the lifting appliance is stably connected to the hoisting equipment (such as a travelling crane or a crane) as a whole through the lifting frame 13, reliable rigid connection is formed between the fixed frame 1 and the hoisting equipment, and a stable support foundation is provided for subsequent hoisting operation; subsequently, the motor 41 located at the side of the protective cover 12 is started, the connecting rod 42 inside the protective cover 12 is rotated, thereby driving the two winches 43 fixed at the two ends of the connecting rod 42 to operate synchronously, the orderly winding and unwinding of the two wire ropes 44 is realized, the wire ropes 44 pass through the groove wheels 142 in the guide 14 arranged on the sliding groove frame 11 in sequence, so that the wire ropes 44 can keep aligned with the axis in the sliding rail 113 and extend vertically, the sliding frame 2 realizes up-down guide movement under the traction of the wire ropes 44 and guarantees the stability and perpendicularity of movement under the assistance of the guide system; when the sliding frame 2 moves down to a proper height, the operator makes the lifting hooks 3 arranged at the lower ends of the second mounting plates 23 accurately butt joint with the two end hoisting parts of the preprinting plate roller, and the hooking operation is completed; subsequently, the motor 41 is started again, the winches 43 are reversely rotated to recover the wire ropes 44, and the synchronous rising of the sliding frame 2 and the preprinting plate roller hung thereon is realized; since the lifting hooks 3, the connecting pieces 24 and the wire ropes 44 are symmetrically arranged and located on the axis in the sliding rail 113, the load balance can be effectively kept during the lifting process, and the shaking or rotation phenomenon caused by the unbalanced load is avoided; during the whole hoisting process, the wire ropes 44 keep the force direction consistent with the sliding track under the guidance of the groove wheels 142, the friction between the sliding frame 2 and the sliding rail 113 is reduced, and the movement efficiency of the lifting appliance is improved; after the lifting operation is completed, the hoisting equipment drives the whole device to move horizontally, transports the preprinting plate roller from the initial position to the target position, and slowly releases the wire ropes 44 by controlling the motor 41 after reaching the position, so that the sliding frame 2 stably descends, and the preprinting plate roller is accurately positioned in the specified area; after the unloading is completed, the motor 41 is continuously controlled to reset the sliding frame 2 to the initial position, and a complete hoisting operation process is completed; the lifting appliance structure realizes the shaking suppression and stability control in the preprinting plate roller hoisting process through the wire rope 44 guidance, the sliding rail 113 limitation and the symmetric hanging and other designs, and the operation safety and operation efficiency are guaranteed.
[0034] The above is only a specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.
Claims
1. A lifting device for hoisting a pre-printed plate cylinder, comprising a lifting hook (3), characterised in that: It also includes a fixed frame (1), a sliding frame (2) and a driving component (4), the fixed frame (1) includes a protective cover (12) and a chute frame (11), the protective cover (12) is fixedly arranged on the upper portion of the chute frame (11), the sliding frame (2) is longitudinally slidingly limited in the chute frame (11), the lifting hook (3) has two and is correspondingly installed on the lower side of the two ends of the sliding frame (2), and the driving component (4) is installed on the protective cover (12) to drive the sliding frame (2) to slide up and down.
2. A spreader for hoisting pre-sensitized printing plates according to claim 1, characterized in that: The sliding frame (2) includes a first mounting plate (21), a second vertical beam (22) and a second mounting plate (23), the second vertical beam (22) has four and is fixedly connected to the outer side of the four corners of the first mounting plate (21), and the second mounting plate (23) is fixedly connected to the bottom of the four second vertical beams (22), two lifting hooks (3) are installed on the lower two ends of the second mounting plate (23), the chute frame (11) includes a first vertical beam (111) and a connecting plate (112), the first vertical beam (111) has four and is fixedly connected to the connecting plate (112), and the connecting plate (112) is fixedly connected to the lower side of the protective cover (12), the inner side of the first vertical beam (111) is provided with a longitudinal sliding rail (113), and the four second vertical beams (22) are slidingly arranged in the sliding rail (113); The driving component (4) includes a motor (41), a connecting rod (42), a winch (43) and a wire (44), the motor (41) is fixedly installed on the side of the protective cover (12), the connecting rod (42) is located in the protective cover (12) and is fixedly connected with the rotating shaft of the motor (41), the winch (43) has two, two winches (43) are fixedly connected to the two ends of the connecting rod (42), and the wire (44) has two and is one-to-one fixedly connected at one end on the two winches (43) and at the other end on the upper portion of the sliding frame (2).
3. A spreader for hoisting pre-sensitized printing plates according to claim 2, characterized in that: The second mounting plate (23) is provided with a connecting piece (24), the connecting piece (24) has two, two connecting pieces (24) are fixedly connected to the lower side of the second mounting plate (23), and two lifting hooks (3) are one-to-one correspondingly installed on the two connecting pieces (24).
4. A spreader for hoisting pre-sensitized printing plates according to claim 2, characterized in that: The first mounting plate (21) is provided with a connecting piece (24), the connecting piece (24) has two, two connecting pieces (24) are fixedly connected to the upper side of the second mounting plate (23), and two wires (44) are one-to-one correspondingly fixedly connected to the two connecting pieces (24).
5. A spreader for hoisting pre-sensitized printing plates according to claim 2, characterized in that: The connecting plate (112) is further provided with two guides (14) installed between the slide rails (113) of the two first vertical beams (111) on the same side, each of the guide (14) comprising a limiting block (141) and a recess wheel (142), the limiting block (141) being provided with a slot in the middle, and the recess wheel (142) being rotatably installed in the slot of the limiting block (141), the wheel body of the recess wheel (142) being provided with a wheel groove matching the diameter of the wire (44), and the wire (44) being tightly connected with the capstan (43) through the wheel groove.
6. A spreader for hoisting pre-sensitized printing plates according to claim 5, characterized in that: The wheel groove on the side of the wire (44) is located on the central axis of the slide rail (113).
7. A spreader for hoisting pre-sensitized printing plates according to claim 3 or 4, characterized in that: The connecting piece (24) comprises a tripod (241) and a connecting ring (242), the tripod (241) being fixedly installed on the sliding frame (2), and the connecting ring (242) being located at the top end of the tripod (241) to connect the lifting hook (3) or to connect the wire (44).
8. A spreader for hoisting pre-sensitized printing plates according to claim 2, characterized in that: The fixed frame (1) further comprises a hoisting frame (13) fixedly connected to the two sides of the connecting plate (112), and the hoisting frame (13) is used to be fixedly connected to a hoisting device.