CN203677811U - Telescopic powder conveying pipe device - Google Patents
Telescopic powder conveying pipe device Download PDFInfo
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- CN203677811U CN203677811U CN201420051494.1U CN201420051494U CN203677811U CN 203677811 U CN203677811 U CN 203677811U CN 201420051494 U CN201420051494 U CN 201420051494U CN 203677811 U CN203677811 U CN 203677811U
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- motion pipe
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Abstract
The utility model discloses a telescopic powder conveying pipe device. With a telescopic cantilever crane as a carrier, the telescopic powder conveying pipe device is mainly composed of a movable pipe, a fixed pipe, a dust scraper, a sealing ring, upper and lower supports and the like, wherein the fixed pipe is fixedly connected with a fixed arm, the movable pipe is fixedly connected with a movable arm, and each movable pipe is provided with the support. The sealing ring forms seal between the movable pipe and the fixed pipe, the upper and lower supports are only used as the carriers of the sealing ring and are also used as the axial limit of the movable pipe and the fixed pipe at the same time. The telescopic powder conveying pipe device disclosed by the utility model is used for solving the conveyance problem of powder necessary for high-rise fire extinguishment, also can improve the fire extinguishment function of a traditional high spraying car, and change the fire extinguishment tactics of high-rise buildings or such devices as large petrochemical, coal chemical production and storage devices.
Description
Technical field:
The utility model relates to a kind of telescopic pulvis conveying pipe device, belongs to conveyance conduit technical field in fire-fighting fire-extinguishing equipment.
Background technology:
Have on the high-jetting vehicle of telescopic arm support structure at present, all adopt top seal for delivery of the telescoping tube encapsulating method of extinguishing chemical, splicing sleeve adopts screw-type connecting mode; First, telescoping tube adopts top seal mode no problem in the time carrying the liquid mediums such as water or mixed liquor, because the liquid medium of rapid flow, while entering between stationary pipes and motion pipe or two motion pipes space, play certain lubrication, can smoothly liquid extinguisher be transported to specified altitude assignment; Experimental results show that in the time carrying powder-gas mixture, do not meet the demands, because powder has certain tack, in the time that powder-gas mixture rapid flow enters between stationary pipes and motion pipe or two motion pipes space, on pipe arm, will adhere to certain dust granules, thereby increase the resistance of motion, in the time that the dust an adhering to material reaches a certain amount of, to there will be telescoping tube and carrier (telescopic arm) not to be synchronized with the movement, finally will cause carrier (telescopic arm) cisco unity malfunction even damaged, therefore pulvis cannot be transported to specified altitude assignment.Secondly, splicing sleeve adopts screw-type connecting mode, for the maintenance in later stage and change dust scraper, sealing ring exists very large defect, because thread connection not only will adopt specific purpose tool in the time of dismounting, but also needs certain space.
Summary of the invention:
For overcoming the defect of prior art, the purpose of this utility model is to provide a kind of telescopic pulvis conveying pipe device, solve the transportation problem of the required pulvis of high-rise fire extinguishing, improve the fire-extinguishing function concurrently of traditional high-jetting vehicle, change the fire tactics of the devices such as skyscraper or large-scale petroleum chemical industry, Coal Chemical Industry production and storage.
The utility model technical solution problem adopts following technical scheme:
Telescopic pulvis conveying pipe device, taking telescopic arm support as carrier, stationary pipes and motion pipe are set, the fixed arm of described stationary pipes and telescopic arm support connects firmly, the movement arm of described motion pipe and jib connects firmly, and described motion pipe is coaxially inserted in described stationary pipes;
The end outer wall that is inserted in the motion pipe in stationary pipes is Step Shaft shape, the pipe external diameter of motion pipe end is less than tube body external diameter, be socketed with ring-type lower support at motion pipe end, the internal diameter of described lower support is less than the tube body external diameter of motion pipe, the external diameter of lower support is greater than the tube body external diameter of motion pipe, the distal end faces of described motion pipe is connected with inner flange, forms the axial location to described lower support between described inner flange and the step surface of motion pipe outer wall;
Be socketed with exterior seal ring in the periphery of described lower support and form sealing between motion pipe and stationary pipes tube wall, on described lower support, be also socketed with dust scraper;
Oral area end face in described stationary pipes is provided with ring-type upper support, the internal diameter of described upper support is less than the internal diameter of described stationary pipes, inwall at described upper support is along the circumferential direction provided with annular recess, and in described annular recess, is provided with inner seal ring and between motion pipe outer wall and stationary pipes inwall, forms sealing; Described upper support is fixed in stationary pipes by the outward flange of stationary pipes end face, and is radially provided with steam vent on described upper support, and described steam vent communicates with the cavity between motion pipe and stationary pipes.
Described dust scraper is near described inner flange one side, and described exterior seal ring is near motion pipe tube body one side, and described dust scraper is provided with a circle groove towards one end of described inner flange end face, and the cross section of described groove is in the shape of the letter V.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
Be socketed with many exterior seal rings in the periphery of lower support, be provided with many inner seal rings at the inwall of upper support, exterior seal ring and sealing ring make to form good sealing between motion pipe outer wall and stationary pipes inwall, and, between lower support and motion pipe, be also provided with sealing ring, further strengthen sealing, make dust in pipe when rapid flow, can not enter the space between stationary pipes and motion pipe or two motion pipes, thereby avoid the chance of adhering to of dust pipe arm, reduced the resistance of relative motion.
Outside end at lower support near inner flange, be socketed with dust scraper, in the time that motion pipe stretches, the dust being attached on pipe arm synchronously can be cleared up by dust scraper.
The upper support of the lower support of motion tube end and stationary pipes end forms the axial limiting between motion pipe and stationary pipes, and motion pipe can not come off from stationary pipes when overhanging.
Lower support matched in clearance is socketed in the terminal part of motion pipe, and the step surface by inner flange and motion pipe end carries out axial limiting, upper support is fixed on the oral area of stationary pipes by outward flange, when later maintenance need to be changed sealing ring, only need pull down flange, can take off lower support and upper support, carry out the replacing of sealing ring, improve maintenance efficiency.
Prove by experiment, telescopic pulvis conveying pipe device, can be by powder-gas mixture smooth delivery of power to desired height ejecting extinguishing together with water or mixed liquor, not only change traditional fire-fighting mode, and greatly improved fire-fighting efficiency, and shorten attack time, reduce fire extinguishing cost, contrast by experiment, its fire-fighting efficiency is several times to tens times of other fire-fighting mode.Having adequately protected, skyscraper, large-scale petroleum chemical industry or Coal Chemical Industry are produced and the safety of storage device.Effectively pulvis extinguishing chemical delivery head can all can from more than 10 meters to more than 100 meters.
Brief description of the drawings:
Fig. 1 is overall schematic of the present utility model; Fig. 2 is that motion pipe coordinates schematic diagram with being connected of stationary pipes; Fig. 3 is the A portion enlarged drawing of Fig. 2; Fig. 4 is the B portion enlarged drawing of Fig. 2.
Number in the figure: 1 motion pipe, 2 stationary pipes, 3 fixed arms, 4 movement arms, 5 outward flanges, 6 dust scrapers, 7 lower supports, 8 inner flanges, 9 exterior seal rings, 10 steam vents, 11 inner seal rings, 12 upper supports.
Below pass through detailed description of the invention, and the utility model is described in further detail by reference to the accompanying drawings.
Detailed description of the invention:
Embodiment: in conjunction with Fig. 1, telescopic pulvis conveying pipe device of the present utility model, taking telescopic arm support as carrier, stationary pipes 2 and motion pipe 1 are set, the fixed arm 3 of stationary pipes and telescopic arm support connects firmly, motion pipe 1 connects firmly with the movement arm 4 of jib, and motion pipe 1 is coaxially inserted in stationary pipes 2.
In conjunction with Fig. 2-4, the end outer wall that is inserted in the motion pipe 1 in stationary pipes 2 is Step Shaft shape, the pipe external diameter of motion pipe end is less than tube body external diameter, be socketed with ring-type lower support 7 in the little part of motion pipe end external diameter, the internal diameter of this lower support 7 is less than the tube body external diameter of motion pipe, the external diameter of lower support is greater than the tube body external diameter of motion pipe, and be connected with inner flange 8 in the distal end faces of motion pipe, by forming the axial location to lower support 7 between inner flange 8 and the step surface of motion pipe end outer wall, in concrete assembling, lower support 7 matched in clearance are socketed on motion pipe, and be provided with sealing ring between lower support 7 and motion pipe.
Be socketed with exterior seal ring 9 in the periphery of lower support, between motion pipe and stationary pipes tube wall, form sealing by exterior seal ring 9, on lower support, be also socketed with dust scraper 6.In specifically arranging, dust scraper 6 is near inner flange 8 one sides, exterior seal ring 9 is near motion pipe tube body one side, and dust scraper is provided with a circle groove towards one end of inner flange end face, the cross section of groove is in the shape of the letter V, the groove that is dust scraper end face makes dust scraper be similar to scraper, and the dust that stationary pipes inwall can be adhered to strikes off.
Oral area end face in stationary pipes is provided with ring-type upper support 12, the internal diameter of this upper support is less than the internal diameter of stationary pipes, between lower support 7 and upper support 12, can form the axial limiting between stationary pipes 2 and motion pipe 1, ensure that motion pipe 1 is unlikely to overhanging and excessively in stationary pipes, comes off.
Inwall at upper support is along the circumferential direction provided with annular recess, and is provided with inner seal ring 11 in this annular recess, again forms sealing by inner seal ring 11 between motion pipe outer wall and stationary pipes inwall; In concrete assembling, upper support 12 can be fixed in stationary pipes by the outward flange of stationary pipes end face 5, and on upper support, be radially provided with steam vent 10, this steam vent communicates with the cavity between motion pipe and stationary pipes, when motion in, can be discharged at the gas producing between motion pipe and stationary pipes, reduce the resistance of motion, guarantee that motion pipe and the telescopic arm of jib are synchronized with the movement.In use, there is the powder-gas mixture that sprays power and enter motion pipe 1 by stationary pipes 2, then make synchronization telescope and be delivered to the height of appointment by motion pipe 1 and the movement arm 4 of jib.
In specifically arranging, stationary pipes 2 only has a joint, motion pipe 1 can be provided with more piece, the stationary pipes of caliber maximum is fixedly connected with the fixed arm of telescopic arm, the movement arm synchronization telescope of more piece motion pipe and telescopic arm, the syndetons between adjacent two joint motion pipes are equal to the syndeton between minor details motion pipe and stationary pipes.
Claims (2)
1. telescopic pulvis conveying pipe device, taking telescopic arm support as carrier, stationary pipes (2) and motion pipe (1) are set, the fixed arm (3) of described stationary pipes and telescopic arm support connects firmly, described motion pipe (1) connects firmly with the movement arm (4) of jib, and described motion pipe (1) is coaxially inserted in described stationary pipes (2); It is characterized in that:
The end outer wall that is inserted in the motion pipe (1) in stationary pipes (2) is Step Shaft shape, the pipe external diameter of motion pipe end is less than tube body external diameter, be socketed with ring-type lower support (7) at motion pipe end, the internal diameter of described lower support (7) is less than the tube body external diameter of motion pipe, the external diameter of lower support is greater than the tube body external diameter of motion pipe, the distal end faces of described motion pipe is connected with inner flange (8), forms the axial location to described lower support between described inner flange and the step surface of motion pipe outer wall;
Be socketed with exterior seal ring (9) in the periphery of described lower support and form sealing between motion pipe and stationary pipes tube wall, on described lower support, be also socketed with dust scraper (6);
Be provided with ring-type upper support (12) at the oral area end face of described stationary pipes, the internal diameter of described upper support is less than the internal diameter of described stationary pipes, inwall at described upper support is along the circumferential direction provided with annular recess, and in described annular recess, is provided with inner seal ring (11) and between motion pipe outer wall and stationary pipes inwall, forms sealing; Described upper support (12) is fixed in stationary pipes by the outward flange (5) of stationary pipes end face, and on described upper support, is radially provided with steam vent (10), and described steam vent communicates with the cavity between motion pipe and stationary pipes.
2. telescopic pulvis conveying pipe device according to claim 1, it is characterized in that, described dust scraper (6) is near described inner flange (8) one sides, described exterior seal ring (9) is near motion pipe tube body one side, and described dust scraper is provided with a circle groove towards one end of described inner flange end face, and the cross section of described groove is in the shape of the letter V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051494.1U CN203677811U (en) | 2014-01-26 | 2014-01-26 | Telescopic powder conveying pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051494.1U CN203677811U (en) | 2014-01-26 | 2014-01-26 | Telescopic powder conveying pipe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203677811U true CN203677811U (en) | 2014-07-02 |
Family
ID=50999780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051494.1U Withdrawn - After Issue CN203677811U (en) | 2014-01-26 | 2014-01-26 | Telescopic powder conveying pipe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203677811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103751933A (en) * | 2014-01-26 | 2014-04-30 | 明光市浩淼消防科技发展有限公司 | Telescopic powder conveying pipe device |
| CN115814305A (en) * | 2022-12-06 | 2023-03-21 | 南京和本机电设备科技有限公司 | Integrated intelligent fire extinguishing system used in electric meter box |
-
2014
- 2014-01-26 CN CN201420051494.1U patent/CN203677811U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103751933A (en) * | 2014-01-26 | 2014-04-30 | 明光市浩淼消防科技发展有限公司 | Telescopic powder conveying pipe device |
| CN103751933B (en) * | 2014-01-26 | 2016-08-17 | 明光浩淼安防科技股份公司 | Telescopic powder conveying pipe device |
| CN115814305A (en) * | 2022-12-06 | 2023-03-21 | 南京和本机电设备科技有限公司 | Integrated intelligent fire extinguishing system used in electric meter box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MINGGUANG HAOMIAO SECURITY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: MINGGUANG HAOMIAO FIRE-FIGHTING TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 239400 Chuzhou, Mingguang City, Anhui Road, No. 151 Patentee after: MINGGUANG HAOMIAO SECURITY TECHNOLOGY CO., LTD. Address before: 239400 Chuzhou, Mingguang City, Anhui Road, No. 151 Patentee before: Mingguang Haomiao Fire-fighting Technology Development Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |