Safety device for hoisting and cabin cleaning machinery of gantry crane

By installing clamping devices and alarm systems on gantry cranes, the problems of swaying and overloading of the cleaning machinery during the lifting process were solved, achieving safe and stable lifting operations.

CN223561092UActive Publication Date: 2025-11-18JIANGSU YANCHENG PORT MACHINERY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423309930.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-18
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional gantry cranes are prone to swaying and displacement during lifting and clearing operations, and there is also the possibility of overloading, which can lead to damage to critical components and safety hazards.

Method used

A safety device including a clamping device and an alarm system was designed. The clamping device stabilizes the cleaning machinery to prevent shaking and displacement, and the alarm system alerts the operators to take measures when the load is too high.

Benefits of technology

Ensuring that the cleaning machinery does not sway or shift during lifting enhances the safety of the lifting operation, and issuing timely alarms when overloaded improves the operators' response capabilities.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223561092U_ABST
    Figure CN223561092U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hoisting and cabin-cleaning machinery, in particular to a safety device for hoisting and cabin-cleaning machinery of a gantry crane, which comprises a cabin-cleaning machinery placing box, one side of the top of the cabin-cleaning machinery placing box is fixedly connected with an alarm lamp, and the other side of the top of the cabin-cleaning machinery placing box is fixedly connected with an alarm lamp. A plurality of auxiliary spring sets are fixedly connected to the middle of the top of the cabin cleaning machine containing box, a lifting ring is fixedly connected to the tops of the auxiliary spring sets, a fixing plate is fixedly connected to one side of the interior of the lifting ring, and an alarm starting button is arranged on the fixing plate. According to the safety device for hoisting and cabin cleaning machinery of the gantry crane, the clamping device is mounted, so that the cabin cleaning machinery is prevented from shaking or displacing in the cabin cleaning machinery placing box in the hoisting process, and a spring, an alarm lamp, an alarm starting button and a sliding column are mounted, so that an alarm signal is sent to an operator when the cabin cleaning machinery is overweight, and the safety of the cabin cleaning machinery is ensured. And the internal overweight of the cabin cleaning machinery placing box is prompted.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist and clean the mechanical technology field of cabin, especially to a door -situ hoist crane hoist and clean the mechanical safety device. BACKGROUND

[0002] In the material loading and unloading scene such as port, mine, door -situ hoist crane plays a vital role, and it often needs to hoist and clean the mechanical to clean the residual material in the space such as ship cabin, silo. However, the traditional hoisting operation process has many security risks:

[0003] On the one hand, in the hoisting process, the cleaning machinery is easy to shake and displace in the hoisting process due to its own heavy weight and different shape and gravity distribution, which can cause damage to the cleaning machinery itself, on the other hand, the hoisting process can cause overweight due to various reasons, for example, inaccurate estimation of the weight of the cleaning machinery, abnormal material accumulation, etc., once the overweight occurs, the stress of the crane can exceed its designed load range, which can cause deformation and fracture of the key components such as the crane boom and rope, causing irreparable loss and danger.

[0004] Therefore, it is necessary to provide a new door -situ hoist crane hoist and clean the mechanical safety device to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] To solve the above technical problems, the utility model provides a door -situ hoist crane hoist and clean the mechanical safety device.

[0006] The door -situ hoist crane hoist and clean the mechanical safety device provided by the utility model includes: a cleaning machinery placing box, an alarm lamp is fixedly connected on one side of the top of the cleaning machinery placing box, a plurality of auxiliary spring groups are fixedly connected in the middle of the top of the cleaning machinery placing box, the auxiliary spring groups are connected with the cleaning machinery placing box and the lifting ring, and play a buffering and supporting role, the lifting ring is fixedly connected on the top of the auxiliary spring group, a fixed plate is fixedly connected on one side in the lifting ring, an alarm starting button is arranged on the fixed plate, when the lifting ring is relatively displaced due to overweight, the spiral spring drives the sliding column to move, the sliding column contacts the alarm starting button to trigger the alarm of the alarm lamp, a clamping device is arranged in the cleaning machinery placing box, so that the cleaning machinery does not shake or displace in the cleaning machinery placing box during hoisting, and the safety of hoisting operation is ensured.

[0007] Preferably, the clamping device mainly comprises a motor, a double-threaded rod, a moving plate and a clamping plate, the top of the box is fixedly connected with the motor, the motor driving part is fixedly connected with the double-threaded rod, the double-threaded rod is symmetrically connected with the moving plate through threads on both sides, the two moving plates are fixedly connected with the clamping plate below, and the motor serves as a power source and drives the double-threaded rod to rotate.

[0008] Preferably, the clamping device further comprises special vices, and the inner side of the clamping plate is provided with a plurality of special vices, so that the friction between the clamping plate and the cleaning machinery and the clamping stability are improved.

[0009] Preferably, the clamping device further comprises a sliding groove, and the sliding groove is slidably connected with the moving plate, so as to guide and limit the movement direction of the moving plate.

[0010] Preferably, the inner side of the lifting ring is fixedly connected with a spiral spring, the other end of the spiral spring is fixedly connected with a sliding column, the bottom of the sliding column is fixedly connected with a supporting column, and the supporting column is fixedly connected with the top of the cleaning machinery box, so that the spring is in a certain elongation state under normal lifting conditions and does not touch the alarm starting button, and when overload occurs, the displacement change of the lifting ring is transmitted to the sliding column through the spiral spring, so that the sliding column moves and triggers the alarm starting button.

[0011] Preferably, the alarm starting button is electrically connected with the alarm lamp, the alarm starting button can be in contact with the sliding column, the circuit is closed when the alarm starting button is pressed by the sliding column, and the alarm lamp is lighted, so that the overload condition on the mechanical structure is converted into an intuitive visual signal.

[0012] Preferably, the front side of the cleaning machinery box is rotatably connected with a switch door, and the switch door is fixedly connected with a handle on one side, so that the operator can operate through the switch door when placing or taking out the cleaning machinery, and the use convenience of the device is improved.

[0013] Preferably, the left side of the cleaning machinery box is fixedly connected with an operation screen, and the operation screen is installed on the left side of the cleaning machinery box, so as to provide an operation interface for the operator, and the operator can start the clamping device and other related operations through the operation screen, and the control of the whole safety device is realized.

[0014] Compared with the related art, the safety device for hoisting cleaning machinery of a portal crane has the following beneficial effects:

[0015] The safety device for hoisting cleaning machinery of a portal crane provided by the utility model can ensure that the cleaning machinery does not shake or displace in the cleaning machinery box during hoisting, and the safety of hoisting operation is ensured.

[0016] The utility model provides a door -saddle -type crane hoists and empties mechanical safety device, through installing spring, alarm lamp, alarm starting button and sliding column, sends alarm signal to operating personnel when overweight, prompts empties mechanical placement box inside overweight, operating personnel can take corresponding measure accordingly, suspends hoisting operation, checks empties mechanical placement box inside overweight condition, thereby further enhance the safety of hoisting operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure schematic diagram of a preferable embodiment of the door -saddle -type crane hoists and empties mechanical safety device provided by the utility model is provided.

[0018] Figure 2 For Figure 1 The structure schematic diagram of the empties mechanical placement box inside shown is provided.

[0019] Figure 3 For Figure 2 The structure schematic diagram of the moving plate drive shown is provided.

[0020] Figure 4 For Figure 1 The structure schematic diagram of the alarm starting button shown is provided.

[0021] The reference numerals in the drawing are: 1, empties mechanical placement box, 2, lifting ring, 3, auxiliary spring group, 4, alarm lamp, 5, operating screen, 6, switch door, 7, handle, 8, clamping plate, 9, special vise, 10, motor, 11, double -end threaded rod, 12, moving plate, 13, sliding slot, 14, spiral spring, 15, fixed plate, 16, alarm starting button, 17, sliding column, 18, support column. DETAILED DESCRIPTION

[0022] In order to make the utility model's purpose, technical scheme and advantage more clearly clear, the following is combined with the embodiment, and the utility model is further detailedly explained.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0023] The specific implementation of the utility model is described in detail in the following combined with specific embodiment.

[0024] Please refer to Figures 1 to 4The utility model discloses a door -saddle type crane hoist cleaning mechanical safety device, door -saddle type crane hoist cleaning mechanical safety device includes: the cleaning mechanical placement box 1, the cleaning mechanical placement box 1 top one side fixedly connected with alarm lamp 4, the cleaning mechanical placement box 1 top middle fixedly connected with a plurality of auxiliary spring group 3, auxiliary spring group 3 connects the cleaning mechanical placement box 1 and the ring 2, play buffering and support effect, auxiliary spring group 3 top fixedly connected with the ring 2, the ring 2 inside one side fixedly connected with fixed plate 15, be provided with alarm start button 16 on fixed plate 15, when the relative displacement of ring 2 is caused by overweight, spiral spring 14 drives sliding column 17 to move, sliding column 17 contact alarm start button 16 triggers alarm lamp 4 alarm, the cleaning mechanical placement box 1 inside is provided with clamping device, ensure that cleaning mechanical in the cleaning mechanical placement box 1 inside does not sway or shift in the hoisting process, guarantee the safety of hoisting operation.

[0025] In the embodiment of the utility model, please refer to Figure 2 And Figure 3 , clamping device mainly includes motor 10, double -end threaded rod 11, moving plate 12 and clamping plate 8, the cleaning mechanical placement box 1 inside top fixedly connected with motor 10, motor 10 drive fixedly connected with double -end threaded rod 11, double -end threaded rod 11 both sides symmetrical screw thread connection has moving plate 12, two moving plate 12 below fixedly connected with clamping plate 8, motor 10 as power source, drive double -end threaded rod 11 rotation. The special screw structure of double -end threaded rod 11 makes both sides symmetrical screw thread connection moving plate 12 can be relatively moved when its rotation, drives clamping plate 8 and carries out the clamping of cleaning mechanical.

[0026] In the embodiment of the utility model, please refer to Figure 2 And Figure 3 , clamping device still includes special vise 9, the inside of clamping plate 8 is provided with a plurality of special vise 9, has increased the friction force and clamping stability between clamping plate 8 and cleaning mechanical.

[0027] In the embodiment of the utility model, please refer to Figure 2 And Figure 3 , clamping device still includes sliding groove 13, and sliding groove 13 and moving plate 12 slidingly connected, play the role of guiding and limiting moving plate 12 movement direction.

[0028] In the embodiment of the utility model, please refer to Figure 1 And Figure 4The inside of the lifting ring 2 is fixedly connected with a spiral spring 14, the other end of the spiral spring 14 is fixedly connected with a sliding column 17, the bottom of the sliding column 17 is fixedly connected with a supporting column 18, the supporting column 18 is fixedly connected with the top of the cleaning mechanical placing box 1, under normal lifting condition, the spring is in a certain elongation state and does not touch the alarm starting button 16, when overloading occurs, the displacement change of the lifting ring 2 is transmitted to the sliding column 17 through the spiral spring 14, so that the sliding column 17 moves and triggers the alarm starting button 16.

[0029] In the embodiment of the utility model, please refer to Figure 1 And Figure 4 The alarm starting button 16 is electrically connected with the alarm lamp 4, the alarm starting button 16 can contact the sliding column 17, when the alarm starting button 16 is pressed by the sliding column 17, the circuit is closed, the alarm lamp 4 is lighted up, and the overloading condition on the mechanical structure is converted into an intuitive visual signal.

[0030] In the embodiment of the utility model, please refer to Figure 1 The front side of the cleaning mechanical placing box 1 is rotatably connected with a switch door 6, one side of the switch door 6 is fixedly connected with a handle 7, when placing or taking out the cleaning machinery, the operator can operate through the switch door 6, and the use convenience of the device is improved.

[0031] In the embodiment of the utility model, please refer to Figure 1 The left side of the cleaning mechanical placing box 1 is fixedly connected with an operation screen 5, which is installed on the left side of the cleaning mechanical placing box 1 and provides an operation interface for the operator, through the operation screen 5, the operator can start the clamping device and other related operations, and the control of the whole safety device is realized.

[0032] The working principle of the portal crane lifting cleaning mechanical safety device provided by the utility model is as follows:

[0033] Clamping:

[0034] When the cleaning machinery needs to be lifted, it is first placed in the cleaning mechanical placing box 1. After being placed, the switch door 6 is closed, the clamping device is started through the operation screen 5, the motor 10 starts to work, and drives the double-headed threaded rod 11 to rotate, since the threads on the two sides of the double-headed threaded rod 11 are symmetrical, the two moving plates 12 connected with the threads relatively move under the limitation of the sliding groove 13, and then drive the clamping plate 8 and the special-shaped vice 9 on the inner side of the clamping plate 8 to stably clamp the cleaning machinery, so that the cleaning machinery does not shake or displace in the cleaning mechanical placing box 1 during the lifting process, and the safety of the lifting operation is ensured.

[0035] Overload alarm:

[0036] When the lifting is in progress, the lifting ring 2 will be displaced relative to the box 1 placed by the stripping machine, at this time, the helical spring 14 will be stretched, thereby driving the sliding column 17 to move, when the displacement reaches a certain degree, the sliding column 17 will contact the alarm starting button 16, since the alarm starting button 16 is electrically connected with the alarm lamp 4, the alarm lamp 4 will be lighted, sending an alarm signal to the operator, prompting the stripping machine to place the box 1 inside overweight, the operator can take corresponding measures accordingly, suspend the lifting operation, check the stripping machine to place the box 1 inside overweight, thereby further enhancing the safety of the lifting operation.

[0037] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A safety device for a portal crane hoisting and stripping machine, characterized in that Include: Cabin cleaning machinery box (1); Alarm light (4), the cabin cleaning machinery box (1) top side fixedly connected with alarm light (4); Alarm starting button (16), the cabin cleaning machinery box (1) top middle fixedly connected with a plurality of auxiliary spring groups (3), the auxiliary spring group (3) top fixedly connected with a lifting ring (2), the lifting ring (2) inside one side fixedly connected with a fixed plate (15), the fixed plate (15) is provided with alarm starting button (16); Clamping device, the cabin cleaning machinery box (1) is provided with clamping device inside.

2. A portal crane load handling gear safety device according to claim 1, characterised in that, The clamping device mainly includes motor (10), double-end threaded rod (11), moving plate (12) and clamping plate (8), the cabin cleaning machinery box (1) is fixedly connected with motor (10) inside top, the motor (10) driving portion is fixedly connected with double-end threaded rod (11), the double-end threaded rod (11) both sides symmetry screw thread is connected with moving plate (12), two the moving plate (12) below fixedly connected with clamping plate (8).

3. A portal crane load handling gear safety device according to claim 2, characterised in that, The clamping device further includes special vise (9), the clamping plate (8) inside is provided with a plurality of special vise (9).

4. The portal crane load line safety device of claim 2, wherein, The clamping device further includes sliding slot (13), and the sliding slot (13) is slidably connected with moving plate (12).

5. The portal crane load line trimmer safety device of claim 1, wherein, The lifting ring (2) is fixedly connected with spiral spring (14) inside, the other end of the spiral spring (14) is fixedly connected with sliding column (17), the sliding column (17) bottom fixedly connected with support column (18), the support column (18) is fixedly connected with the cabin cleaning machinery box (1) top.

6. A portal crane load line safety device according to claim 5, wherein, The alarm starting button (16) is electrically connected with alarm light (4), and the alarm starting button (16) can be contacted with sliding column (17).

7. The portal crane load line trimmer safety device of claim 1, wherein, The cabin cleaning machinery box (1) front side is rotatably connected with switch door (6), and the switch door (6) one side is fixedly connected with handle (7).

8. The portal crane load line trimmer safety device of claim 1, wherein, The cabin cleaning machinery box (1) left side is fixedly connected with operating screen (5).