CN218201784U - Overload alarm device for pneumatic hoist - Google Patents
Overload alarm device for pneumatic hoist Download PDFInfo
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- CN218201784U CN218201784U CN202221905738.9U CN202221905738U CN218201784U CN 218201784 U CN218201784 U CN 218201784U CN 202221905738 U CN202221905738 U CN 202221905738U CN 218201784 U CN218201784 U CN 218201784U
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- alarm device
- connecting seat
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Abstract
The utility model provides a pneumatic hoist overload alarm device, including pneumatic hoist, pulling force weight measuring device and pneumatic alarm device. The lower end of a hoisting chain of the pneumatic hoist is provided with a connecting seat, and the upper end of a fixed shaft of the tension weight measuring device is fixed at the bottom of the connecting seat; the bottom of the fixed shaft is provided with a spring seat, the upper part of the spring seat is provided with a displacement spring, and a spring sleeve of the tension weight measuring device is arranged outside the displacement spring; the lower part of the spring sleeve is provided with a lifting hook. The stress of the lifting hook is larger than the rated weight, the spring sleeve drives the displacement spring to move, the pneumatic stroke valve of the pneumatic alarm device is opened, and the pressure gas in the gas storage bottle drives the pneumatic loudspeaker to alarm. The utility model discloses pneumatic calabash overload alarm device simple structure is practical, effectively prevents the emergence of incident.
Description
Technical Field
The utility model relates to a pneumatic hoist overload alarm device relates to agitating unit technical field.
Background
The pneumatic block in the market is various in types, and is widely applied to the technical field of explosion-proof hoisting in particular; however, the existing pneumatic hoist alarm device is too complex and easy to damage, and safety accidents happen sometimes. The market urgently needs a pneumatic hoist overload alarm device with a simple structure, and effectively prevents overload accidents.
Disclosure of Invention
An object of the utility model is to provide a simple structure's pneumatic hoist overload alarm device effectively prevents the emergence of overload accident.
In view of the above-mentioned technical problem, the utility model provides a pneumatic hoist overload alarm device, including pneumatic hoist, pulling force weighing device and pneumatic alarm device. The lower end of the hoisting chain of the pneumatic hoist is provided with a connecting seat. The upper end of a fixed shaft of the tension weight measuring device is fixed at the bottom of the connecting seat, a spring seat is arranged at the bottom of the fixed shaft, and a displacement spring is arranged at the upper part of the spring seat and outside the fixed shaft. The spring sleeve of the tension weight measuring device is arranged outside the displacement spring; the lower part of the spring sleeve is provided with a lifting hook; the lifting hook is stressed, and the spring sleeve drives the displacement spring to move. The pneumatic travel valve of the pneumatic alarm device is arranged at the bottom of the connecting seat, and the rod head of the displacement rod of the pneumatic travel valve is movably arranged at the top of the spring sleeve. The air inlet pipe of the pneumatic travel valve is communicated with an air storage bottle, and the air storage bottle is arranged at the bottom of the connecting seat; and the exhaust pipe of the pneumatic travel valve is connected with a pneumatic loudspeaker.
Preferably, the lower part of connecting seat is provided with the scale, is provided with the pointer on the spring housing.
Advantageous effects
Based on the technical scheme, the utility model discloses one of them of following beneficial effect has at least:
1, the pneumatic hoist overload alarm device triggers the pneumatic alarm device through a tension side-load device arranged at the upper end of a lifting hook, and alarms under an overload working condition, so that the pneumatic hoist overload alarm device is simple and practical in structure;
2, the pneumatic hoist overload alarm device uses a gas storage bottle to alarm pneumatically without a gas pipe; the winding of the air pipe in the lifting process is effectively prevented;
3, the lower part of the connecting seat is provided with a graduated scale, and the spring sleeve is provided with a pointer, so that the weight of the hoisted object can be read, and the overload accident can be effectively prevented.
Drawings
Fig. 1 is a working schematic diagram of the pneumatic hoist overload warning device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the overload warning device for the pneumatic hoist comprises a pneumatic hoist 101, a tension weighing device 201 and a pneumatic warning device 301. The lower end of the hoisting chain 102 of the pneumatic hoist 101 is provided with a connecting seat 103. The upper end of a fixed shaft 202 of the tension weight measuring device 201 is fixed at the bottom of the connecting seat 103; a spring seat 204 is arranged at the bottom of the fixed shaft 202, and a displacement spring 203 is arranged at the upper part of the spring seat 204; the displacement spring 203 is disposed outside the fixed shaft 202. A spring housing 205 of the tension weighing device 201, which is arranged outside the displacement spring 203; the lower portion of the spring housing 205 is provided with a hook 206. The hook 206 is stressed, and the spring sleeve 205 drives the displacement spring 203 to move. The pneumatic travel valve 302 of the pneumatic alarm device 301 is arranged at the bottom of the connecting seat 103, and the rod head 304 of the displacement rod 303 of the pneumatic travel valve 302 is movably arranged at the top of the spring sleeve 205. The air inlet pipe 305 of the pneumatic travel valve 302 is communicated with an air storage bottle 306, and the air storage bottle 306 is arranged at the bottom of the connecting seat 103; an air speaker 308 is connected to an exhaust pipe 307 of the air-operated stroke valve 302. Pneumatic hoist overload alarm device triggers pneumatic alarm device 301 through setting up pulling force weighing device 201 in the lifting hook 206 upper end, carries out alarm work under the overload operating mode, and simple structure is practical. A graduated scale 401 is arranged at the lower part of the connecting seat 103, and a pointer 402 is arranged on the spring sleeve 205; the weight of the hoisted object is read through the displacement of the pointer 402, and the overload accident is effectively prevented.
Therefore, the embodiment of the utility model provides an, the introduction finishes.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. An overload alarm device for a pneumatic hoist is characterized by comprising:
the lower end of a hoisting chain (102) of the pneumatic hoist (101) is provided with a connecting seat (103);
the upper end of a fixed shaft (202) of the tension weight measuring device (201) is fixed at the bottom of the connecting seat (103); a spring seat (204) is arranged at the bottom of the fixed shaft (202), a displacement spring (203) is arranged at the upper part of the spring seat (204), and the displacement spring (203) is arranged outside the fixed shaft (202); the spring sleeve (205) of the tension weight measuring device (201) is arranged outside the displacement spring (203); a hook (206) is arranged at the lower part of the spring sleeve (205); the lifting hook (206) is stressed, and the spring sleeve (205) drives the displacement spring (203) to move;
the pneumatic alarm device (301) is characterized in that a pneumatic travel valve (302) of the pneumatic alarm device is arranged at the bottom of the connecting seat (103), and a rod head (304) of a displacement rod (303) of the pneumatic travel valve (302) is movably arranged at the top of the spring sleeve (205); an air inlet pipe (305) of the pneumatic stroke valve (302) is communicated with an air storage bottle (306); the gas storage bottle (306) is arranged at the bottom of the connecting seat (103); and a pneumatic loudspeaker (308) is connected to an exhaust pipe (307) of the pneumatic stroke valve (302).
2. The pneumatic hoist overload warning device of claim 1, wherein: the lower part of the connecting seat (103) is provided with a graduated scale (401), and the spring sleeve (205) is provided with a pointer (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221905738.9U CN218201784U (en) | 2022-07-24 | 2022-07-24 | Overload alarm device for pneumatic hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221905738.9U CN218201784U (en) | 2022-07-24 | 2022-07-24 | Overload alarm device for pneumatic hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218201784U true CN218201784U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221905738.9U Active CN218201784U (en) | 2022-07-24 | 2022-07-24 | Overload alarm device for pneumatic hoist |
Country Status (1)
| Country | Link |
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| CN (1) | CN218201784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117383441A (en) * | 2023-12-07 | 2024-01-12 | 山西机电职业技术学院 | Overload self-protection crane |
-
2022
- 2022-07-24 CN CN202221905738.9U patent/CN218201784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117383441A (en) * | 2023-12-07 | 2024-01-12 | 山西机电职业技术学院 | Overload self-protection crane |
| CN117383441B (en) * | 2023-12-07 | 2024-02-13 | 山西机电职业技术学院 | Overload self-protection crane |
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