CN223328850U - A special disassembly and assembly lifting device for roller box - Google Patents
A special disassembly and assembly lifting device for roller boxInfo
- Publication number
- CN223328850U CN223328850U CN202422908660.1U CN202422908660U CN223328850U CN 223328850 U CN223328850 U CN 223328850U CN 202422908660 U CN202422908660 U CN 202422908660U CN 223328850 U CN223328850 U CN 223328850U
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- lifting
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- roller box
- hanging
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Abstract
本申请涉及一种辊箱专用拆装吊具，涉及吊装设备技术领域，为了解决传统吊装方式要求较高且存在隐患的问题，其包括吊具本体，所述吊具本体，所述吊具本体上设置有两组固定吊肢和两组伸缩吊肢，两组所述固定吊肢与两组伸缩吊肢相对布置于吊具本体上，所述固定吊肢与伸缩吊肢上均设置有用于挂置的吊钩，每组所述伸缩吊肢均包括丝杆和活动杆，所述丝杆竖直布置于吊具本体上，所述丝杆的一端转动连接在吊具本体上，所述丝杆的另一端与活动杆相适配，所述活动杆上开设有供丝杆连接的螺纹槽，所述伸缩吊肢对应的吊钩连接在活动杆远离丝杆的端部，所述吊具本体上设置有用于驱动丝杆转动的旋转机构。本申请具有减少辊箱拆装难度，提高吊装安装性效果。
The present application relates to a special disassembly and assembly sling for roller boxes, and relates to the technical field of hoisting equipment. In order to solve the problem that traditional hoisting methods have high requirements and hidden dangers, the present application includes a sling body, and the sling body is provided with two groups of fixed slings and two groups of telescopic slings. The two groups of fixed slings and the two groups of telescopic slings are arranged on the sling body relative to each other, and the fixed slings and the telescopic slings are both provided with hooks for hanging. Each group of telescopic slings includes a screw and a movable rod, and the screw is vertically arranged on the sling body. One end of the screw is rotatably connected to the sling body, and the other end of the screw is adapted to the movable rod. A threaded groove for the screw connection is provided on the movable rod, and the hook corresponding to the telescopic sling is connected to the end of the movable rod away from the screw. The sling body is provided with a rotating mechanism for driving the screw to rotate. The present application has the effect of reducing the difficulty of disassembling and assembling the roller box and improving the hoisting and installation performance.
Description
Technical Field
The application relates to the technical field of hoisting equipment, in particular to a special dismounting lifting appliance for a roller box.
Background
The rolling mill roller box of the steel mill is a core component part of a high-rod high-line steel rolling production line, bears the key task of carrying out precise rolling forming on bars and wires, and the stable operation of the rolling mill roller box directly relates to the efficiency and the product quality of the production line.
In the related art, when the roller box is replaced conventionally, as the roller box is installed obliquely, the steel wire rope is generally adopted to be matched with the double lifting hooks of the crane for lifting, the method has higher requirements on the operation skills of driving operators and the matching with commanders, the situation that misoperation is easy to cause personnel injury and equipment damage is easy to occur, and as the roller box body is deviated to one side, the weight is unbalanced, the roller box is easy to shake violently and collide in the moment of disassembly and installation, the phenomenon of overturning is easy to occur in the lifting process, potential safety hazards exist, the roller box replacement efficiency is influenced, and the roller box is to be improved.
Disclosure of utility model
The application provides a special dismounting lifting appliance for a roller box, which aims to solve the problems that the traditional lifting mode has higher requirement and hidden danger.
The application provides a special disassembly and assembly lifting appliance for a roller box, which adopts the following technical scheme:
The utility model provides a roller box special use dismouting hoist, includes the hoist body, be provided with two sets of fixed limbs and two sets of flexible limbs that hang on the hoist body, two sets of fixed limbs and two sets of flexible limbs that hang are arranged relatively on the hoist body, fixed limb and flexible limb that hang all are provided with the lifting hook that is used for hanging, every group flexible limb that hangs all includes lead screw and movable rod, the lead screw is vertical to be arranged on the hoist body, the one end of lead screw is rotated and is connected on the hoist body, the other end and the movable rod looks adaptation of lead screw, set up the thread groove that supplies the lead screw to connect on the movable rod, the lifting hook that the flexible limb corresponds is connected and is kept away from the tip of lead screw at the movable rod, be provided with the rotary mechanism who is used for driving the lead screw pivoted on the hoist body.
Because the roller box is obliquely installed, the steel wire rope is generally adopted to be matched with the double lifting hooks of the crane for lifting, the method has higher requirements on the operation skills of crane operators and the matching with commanders, and the situation of personnel injury and equipment damage caused by misoperation is easy to occur; the roller box body is biased to one side, the weight is biased, the roller box is easy to shake violently to collide at the moment of disassembly and installation, the overturning phenomenon is easy to occur in the hoisting process, potential safety hazards exist, and the replacement efficiency of the roller box is affected;
When the roller box is disassembled, the crane lifts the lifting tool body, the rotating mechanism drives the screw rod to rotate, so that the movable rod of the telescopic lifting limb is adjusted to a proper length, (in the process, auxiliary equipment is arranged on the lifting tool to realize certain constraint on the movable rod, so that the movable rod can be lifted and moved on the screw rod), the step is required to ensure that the lengths of two groups of telescopic lifting limbs are consistent, so as to keep the balance of the lifting tool, then the fixed lifting limb and the lifting hook of the telescopic lifting limb on the lifting tool are respectively hung on the lifting rings on the roller box, the roller box is stably and rapidly disassembled in cooperation with the crane operation, and after the roller box is disassembled, the lengths of the two telescopic lifting limbs are continuously adjusted, and the roller box is adjusted to be placed at a horizontal position;
When the roller box is installed, the lengths of the telescopic hanging limbs and the fixed hanging limbs are consistent at the moment, the balance of the lifting appliance is ensured, the lifting hook of the lifting appliance is hung on the lifting ring of the roller box, the driving is started, the roller box is lifted to the installation position, the lengths of the two telescopic hanging limbs are finely adjusted through the rotating mechanism, the roller box is adjusted to be close to the installation angle, meanwhile, the roller box is stably and accurately adjusted to the installation position in cooperation with the operation of the driving, and the installation is completed.
Through setting up such as fixed hanging limb, flexible hanging limb and rotary mechanism, this device simple structure, maintenance cost is low, can make dismouting and hoist and mount process more steady, greatly reduced the dismouting degree of difficulty of roller box, shorten the maintenance time, improve work efficiency to there are more fault-tolerant rates to driving operative employee's operation, solved traditional hoist and mount method and when putting article facing to one side the problem that the outer pull that probably exists was unloaded, improved hoist and mount mountability.
Optionally, the hoist body includes fixed plate and fly leaf, be provided with the edge slide bar that is used for adjusting the interval between fixed plate and the fly leaf, two sets of fixed hanging limbs are arranged on the fixed plate, two sets of flexible hanging limbs are arranged on the fly leaf.
Through the arrangement of the fixed plate and the movable plate, the lifting appliance body can be flexibly adjusted according to the actual size and shape of the roller box, and the movable plate can move in the horizontal direction on the fixed plate through the adjustment of the edge sliding rod, so that the distance between the fixed lifting limb and the telescopic lifting limb is changed, the lifting appliance can be suitable for roller boxes of different specifications and models, and the universality and the adaptability of the lifting appliance are improved.
Optionally, a sleeve for sliding the edge slide bar is arranged on the movable plate, one end of the edge slide bar is connected to the fixed plate, and the other end of the edge slide bar is connected to the sleeve in a sliding manner.
Through the arrangement of the sleeve, the sleeve is used as a part of the movable plate, and a stable and smooth sliding track is provided for the edge slide bar, so that the movable plate and the telescopic hanging limbs on the movable plate are driven to move in the horizontal direction.
Optionally, a sleeve for supporting the screw rod is arranged on the movable plate, and the sleeve is arranged on the movable plate in a penetrating manner.
Through the arrangement of the sleeve, the main function of the sleeve is to support the screw rod, ensure that the screw rod can stably rotate and move on the movable plate, and facilitate reducing vibration and shaking of the screw rod in the operation process and improving the transmission efficiency and stability of the screw rod.
Optionally, the rotary mechanism is arranged on the fly leaf, the rotary mechanism includes gear motor, worm and two worm wheels, gear motor connects on the fly leaf surface, the worm is connected on gear motor's output, two the worm wheel is arranged respectively in worm length direction's both ends, two the worm wheel meshes with the worm respectively, two the lead screw corresponds two worm wheels respectively, the worm wheel cover is established and is connected on the lead screw that corresponds.
According to the technical scheme, the rotating mechanism comprises the gear motor, the worm and the two worm gears, when the length of the telescopic hanging limb is adjusted, the gear motor is started, the worm starts to rotate, the rotating power of the motor is transmitted to the two worm gears meshed with the gear motor, the two worm gears also rotate along with the rotating power, the screw rods connected with the two worm gears are respectively driven to rotate, the movable rod can ascend and descend along the screw rods, the extending or retracting length of the telescopic hanging limb can be accurately controlled, and therefore the inclination angle of the roller box can be adjusted.
Optionally, the lifting appliance body is provided with a counterweight for counterweight, and the counterweight is arranged on the fixed plate of the lifting appliance body.
Through the arrangement of the weight parts, the weight parts can balance the overall weight distribution of the lifting appliance in the operation process, so that the lifting appliance keeps a more stable posture, the anti-toppling and anti-rollover capabilities of the lifting appliance are improved, the lifting appliance can still keep higher stability in a complex environment, and the lifting performance of the lifting appliance is optimized.
Optionally, the ends of the two fixed hanging limbs are respectively provided with a movable chain for connecting the corresponding hanging hooks, and the corresponding hanging hooks are connected to the movable chains.
Through the arrangement of the movable chain, the connection between the lifting hook and the fixed hanging limb is more flexible, and the movable chain can freely rotate and swing within a certain range so as to adapt to the hanging objects with different shapes and sizes.
Optionally, the lifting appliance body is further provided with an extremity hanging chain matched with the travelling crane, and the extremity hanging chain is connected to the top of the lifting appliance body.
Through the arrangement of the four-limb hanging chains, the stability of the hanger in the hoisting process can be remarkably improved through multipoint connection, the weight of a hoisted object can be dispersed, the condition of overlarge single-point stress is reduced, and the damage risk of the hanger and the hoisted object is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
Through the arrangement of fixed hanging limbs, telescopic hanging limbs, a rotating mechanism and the like, the device has simple structure and low maintenance cost, can enable the disassembly and the lifting processes to be more stable, greatly reduces the disassembly and assembly difficulty of the roller box, shortens the overhaul time, improves the working efficiency, has more fault tolerance for the operation of a driving operator, solves the problem that the traditional lifting method can be pulled outwards to be disassembled when facing to the obliquely placed objects, and improves the lifting installability;
Through the arrangement of the fixed plate and the movable plate, the combination design of the fixed plate and the movable plate enables the lifting appliance body to be flexibly adjusted according to the actual size and shape of the roller box, and through the adjustment of the edge sliding rod, the movable plate can move in the horizontal direction on the fixed plate, so that the distance between the fixed lifting limb and the telescopic lifting limb is changed, the lifting appliance is applicable to roller boxes with different specifications and models, and the universality and the adaptability of the lifting appliance are improved;
Through rotary mechanism's setting, can satisfy the hoist and mount demand of roller box under different angles, ensure that the roller box can steadily, safely remove when hoist and mount or dismantlement, reinforcing hoist's stability and reliability.
Drawings
Fig. 1 is a schematic structural view of a lifting appliance for disassembling and assembling a roller box in an embodiment of the application.
Fig. 2 is a top view of a lifting appliance for disassembling and assembling a roller box in an embodiment of the application.
Fig. 3 is a schematic view of a structure for embodying a roller box in a horizontal state in the embodiment of the present application.
The reference numerals are 1, a lifting appliance body, 11, a fixed plate, 12, a movable plate, 2, a fixed lifting limb, 3, a telescopic lifting limb, 31, a screw rod, 32, a movable rod, 4, a lifting hook, 5, a thread groove, 6, a rotating mechanism, 61, a gear motor, 62, a worm, 63, a worm wheel, 7, an edge sliding rod, 8, a sleeve, 9, a sleeve, 10, a movable chain, 13, a counterweight, 14 and an extremity lifting chain.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a special dismounting lifting appliance for a roller box. Referring to fig. 1, the roller box special dismounting lifting appliance comprises a lifting appliance body 1, wherein an extremity lifting chain 14 is arranged at the top of the lifting appliance body 1, the extremity lifting chain 14 in the embodiment is connected with a plurality of connection points, the lifting appliance body 1 is matched with a crane through the extremity lifting chain 14, the stability of the lifting appliance in the lifting process can be remarkably improved, the weight of a lifting object can be dispersed, the condition of overlarge single-point stress is reduced, and the damage risk of the lifting appliance and the lifting object is reduced.
Referring to fig. 1 and 2, a hanger body 1 includes a fixed plate 11 and a movable plate 12, two groups of fixed hanging limbs 2 and two groups of telescopic hanging limbs 3 are mounted on the hanger body 1, the two groups of fixed hanging limbs 2 are mounted on the fixed plate 11 at intervals, the two groups of telescopic hanging limbs 3 are mounted on the movable plate 12 at intervals, and meanwhile the two groups of fixed hanging limbs 2 and the two groups of telescopic hanging limbs 3 are mounted opposite to each other.
Referring to fig. 1 and 2, an edge slide bar 7 is installed between a fixed plate 11 and a movable plate 12, a sleeve 8 is installed and fixed on the movable plate 12, one end of the edge slide bar 7 is installed and fixed on the fixed plate 11, the other end of the edge slide bar 7 is slidably connected to the sleeve 8, in this embodiment, the combination of the edge slide bar 7 and the sleeve 8 can be multiple groups, and meanwhile, a cylinder component for driving the movable plate 12 to move is arranged on the lifting tool body 1, so that the lifting tool body 1 can be flexibly adjusted according to the actual size and shape of a roller box, the movable plate 12 can move in the horizontal direction on the fixed plate 11 through adjustment of the edge slide bar 7, thereby changing the distance between the fixed lifting limb 2 and the telescopic lifting limb 3, being applicable to roller boxes with different specifications and models, and improving the universality and adaptability of the lifting tool.
Referring to fig. 1, two groups of fixed hanging limbs 2 and two groups of telescopic hanging limbs 3 are provided with hanging hooks 4, in this embodiment, the hanging hooks 4 are used for being matched with hanging rings of a roller box, the hanging hooks 4 are hung on the corresponding hanging rings, the end part of each fixed hanging limb 2 is provided with a movable chain 10, the movable chain 10 is positioned at one end of the fixed hanging limb 2 far away from a fixed plate 11, the corresponding hanging hooks 4 are arranged on the movable chain 10, and the movable chain 10 enables connection between the hanging hooks 4 and the fixed hanging limbs 2 to be more flexible, and can freely rotate and swing within a certain range so as to adapt to hanging objects with different shapes and sizes.
Referring to fig. 1, each set of telescopic hanging limbs 3 comprises a screw rod 31 and a movable rod 32, the screw rod 31 is rotatably mounted on the movable plate 12 of the hanger body 1, the screw rod 31 is vertically arranged in a direction away from the hanger body 1, the telescopic hanging limbs 3 are fixedly mounted at the end part of the movable rod 32 corresponding to the lifting hooks 4, in this embodiment, the movable plate 12 is provided with a sleeve 9, the screw rod 31 passes through the sleeve 9, the main function of the sleeve 9 is to support the screw rod 31, the screw rod 31 is ensured to stably rotate and move on the movable plate 12, the vibration and the shaking of the screw rod 31 in the operation process are reduced, and the transmission efficiency and the stability of the screw rod 31 are improved.
Referring to fig. 1, a movable rod 32 is adapted to a screw rod 31, the movable rod 32 is mounted at one end of the screw rod 31 far away from the movable plate 12, a thread groove 5 is formed in the movable rod 32, the thread groove 5 is formed along the length direction of the movable rod 32, and the screw rod 31 is in threaded connection with the thread groove 5 of the movable rod 32.
Referring to fig. 2 and 3, the hanger body 1 is provided with a rotation mechanism 6, in this embodiment, the rotation mechanism 6 is used for driving the screw rod 31 to rotate, the rotation mechanism 6 is installed on the movable plate 12 of the hanger body 1, the rotation mechanism 6 includes a gear motor 61, a worm 62 and two worm wheels 63, the gear motor 61 is installed on the surface of the movable plate 12, the worm 62 is connected to the output end of the gear motor 61, the worm 62 and the gear motor 61 can be connected through a coupling, and meanwhile, a support component for supporting the rotation of the worm 62 is installed on the movable plate 12 of the hanger body 1.
Referring to FIG. 2, two worm wheels 63 are respectively corresponding to two screw rods 31, the worm wheels 63 are sleeved and mounted on the corresponding screw rods 31, the two worm wheels 63 are respectively arranged at two ends of the length direction of the worm rod 62, the two worm wheels 63 are respectively meshed with the worm rod 62, when the length of the telescopic hanging limb 3 is adjusted, a speed reducing motor 61 is started, the worm rod 62 starts to rotate, the rotating power of the motor is transmitted to the two worm wheels 63 meshed with the worm rod 62, the two worm wheels 63 also rotate along with the rotating power, respectively drive the screw rods 31 connected with the rotating power, the movable rod 32 can move up and down along the screw rods 31, in the embodiment, when the lifting hook 4 of the telescopic hanging limb 3 is not hung on a roller box lifting ring, the length of the telescopic hanging limb 3 is adjusted, certain constraint on the movable rod 32 is realized by using auxiliary equipment which is required to be equipped with the lifting hook 4 of the telescopic hanging limb 3, when the lifting hook 4 is hung on a roller box lifting ring, the telescopic hanging limb 3 is adjusted, the length of the telescopic hanging limb 3 is not required to be controlled by using auxiliary equipment which is equipped, and the lifting hook 4 can be accurately controlled or stably and stably lifted, and stably or stably moved when the roller box is stably and stably lifted, and stably and flexibly adjusted.
Referring to fig. 2, the counterweight 13 is mounted on the fixing plate 11 of the hanger body 1, the counterweight 13 is located between two fixed hanging limbs 2, and the counterweight 13 can balance the overall weight distribution of the hanger in the operation process, so that the hanger maintains a more stable posture, the anti-toppling and anti-rollover capabilities of the hanger are improved, the hanger can still maintain higher stability in a complex environment, and the lifting performance of the hanger is optimized.
The implementation principle of the special lifting appliance for dismounting the roller box is that when the roller box is dismounted, a crane lifts the lifting appliance body 1, the rotating mechanism 6 drives the screw rod 31 to rotate, so that the movable rod 32 of the telescopic lifting arm 3 is adjusted to a proper length, (in the process, the lifting appliance is utilized to be equipped with auxiliary equipment to realize certain constraint on the movable rod 32, the movable rod can be lifted and moved on the screw rod 31), the step needs to ensure that the lengths of two groups of telescopic lifting arms 3 are consistent so as to keep the balance of the lifting appliance, then the lifting hooks 4 of the fixed lifting arm 2 and the telescopic lifting arm 3 on the lifting appliance are respectively hung on the lifting rings on the roller box, the roller box is dismounted smoothly and rapidly in cooperation with the crane operation, the length of the two telescopic lifting arms 3 is continuously adjusted after the roller box is dismounted, the roller box is adjusted to be placed at a horizontal position, in the process, the distance between the fixed lifting arm 2 and the telescopic lifting arm 3 is automatically adjusted by utilizing the cooperation of the edge slide rod 7 and the sleeve 8, so that the distance between the fixed lifting arm 2 and the telescopic lifting arm 3 is kept stable.
When the roller box is installed, the lengths of the telescopic hanging limbs 3 and the fixed hanging limbs 2 are consistent at the moment, the balance of the lifting appliance is ensured, the lifting hook 4 of the lifting appliance is hung on the lifting ring of the roller box, the crane is started, the roller box is lifted to the installation position, the lengths of the two telescopic hanging limbs 3 are finely adjusted through the rotating mechanism 6, the roller box is adjusted to be close to the installation angle, meanwhile, the roller box is stably and accurately adjusted to the installation position in cooperation with the operation of the crane, and the installation is completed.
Through setting up such as fixed hanging limb 2, flexible hanging limb 3 and rotary mechanism 6, this device simple structure, maintenance cost is low, can make dismouting and hoist and mount process more steady, greatly reduced the dismouting degree of difficulty of roller box, shorten the maintenance time, improve work efficiency to there is more fault-tolerant rate to driving operative employee's operation, solved traditional hoist and mount method and when putting article to face to one side the problem that the outer pull that probably exists was unloaded, improved hoist and mount mountability.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (8)
1. The special roller box dismounting and mounting lifting tool is characterized by comprising a lifting tool body (1), wherein two groups of fixed lifting limbs (2) and two groups of telescopic lifting limbs (3) are arranged on the lifting tool body (1), the two groups of fixed lifting limbs (2) and the two groups of telescopic lifting limbs (3) are oppositely arranged on the lifting tool body (1), lifting hooks (4) for hanging are arranged on the fixed lifting limbs (2) and the telescopic lifting limbs (3), each group of telescopic lifting limbs (3) comprises a screw rod (31) and a movable rod (32), one end of the screw rod (31) is vertically arranged on the lifting tool body (1), one end of the screw rod (31) is rotatably connected on the lifting tool body (1), the other end of the screw rod (31) is matched with the movable rod (32), a thread groove (5) for connecting the screw rod (31) is formed in the movable rod (32), the lifting hooks (4) corresponding to the telescopic lifting limbs (3) are connected to the end part of the movable rod (32) far away from the screw rod (31), and a screw rod (6) for driving the screw rod (31) is arranged on the lifting tool body.
2. The special roller box dismounting hanger disclosed in claim 1, wherein the hanger body (1) comprises a fixed plate (11) and a movable plate (12), an edge sliding rod (7) for adjusting the distance is arranged between the fixed plate (11) and the movable plate (12), two groups of fixed hanging limbs (2) are arranged on the fixed plate (11), and two groups of telescopic hanging limbs (3) are arranged on the movable plate (12).
3. The special dismounting hanger for the roller box, as claimed in claim 2, is characterized in that a sleeve (8) for sliding an edge sliding rod (7) is arranged on the movable plate (12), one end of the edge sliding rod (7) is connected to the fixed plate (11), and the other end of the edge sliding rod (7) is connected in the sleeve (8) in a sliding manner.
4. The special dismounting hanger for roller boxes according to claim 2, wherein the movable plate (12) is provided with a sleeve (9) for supporting a screw rod (31), and the sleeve (9) is arranged on the movable plate (12) in a penetrating manner.
5. The special dismounting hanger for roller boxes according to claim 2, wherein the rotating mechanism (6) is arranged on the movable plate (12), the rotating mechanism (6) comprises a gear motor (61), a worm (62) and two worm gears (63), the gear motor (61) is connected to the surface of the movable plate (12), the worm (62) is connected to the output end of the gear motor (61), the two worm gears (63) are respectively arranged at two ends of the length direction of the worm (62), the two worm gears (63) are respectively meshed with the worm (62), the two screw rods (31) respectively correspond to the two worm gears (63), and the worm gears (63) are sleeved and connected to the corresponding screw rods (31).
6. The special roller box dismounting hanger disclosed in claim 5, wherein the hanger body (1) is provided with a counterweight (13) for counterweight, and the counterweight (13) is arranged on a fixed plate (11) of the hanger body (1).
7. The special roller box dismounting hanger disclosed in claim 1, wherein the ends of the two fixed hanging limbs (2) are respectively provided with a movable chain (10) for connecting the corresponding hanging hooks (4), and the corresponding hanging hooks (4) are connected to the movable chains (10).
8. The special roller box dismounting hanger of claim 7, wherein the hanger body (1) is further provided with an extremity hanging chain (14) matched with a travelling crane, and the extremity hanging chain (14) is connected to the top of the hanger body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422908660.1U CN223328850U (en) | 2024-11-28 | 2024-11-28 | A special disassembly and assembly lifting device for roller box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422908660.1U CN223328850U (en) | 2024-11-28 | 2024-11-28 | A special disassembly and assembly lifting device for roller box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223328850U true CN223328850U (en) | 2025-09-12 |
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ID=96977268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422908660.1U Active CN223328850U (en) | 2024-11-28 | 2024-11-28 | A special disassembly and assembly lifting device for roller box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223328850U (en) |
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2024
- 2024-11-28 CN CN202422908660.1U patent/CN223328850U/en active Active
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