CN101368452A - Pneumatic elevation mast - Google Patents
Pneumatic elevation mast Download PDFInfo
- Publication number
- CN101368452A CN101368452A CNA200810196688XA CN200810196688A CN101368452A CN 101368452 A CN101368452 A CN 101368452A CN A200810196688X A CNA200810196688X A CN A200810196688XA CN 200810196688 A CN200810196688 A CN 200810196688A CN 101368452 A CN101368452 A CN 101368452A
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- mast
- cylinder body
- pneumatic elevation
- piston
- cylinder block
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Abstract
The invention relates to a pneumatic lifting mast, aiming at solving the problem that the pneumatic lifting masts in the prior art fail to maintain the height for a long time if not being dwelled. An external cylinder body is fixedly connected on a pedestal, and a piston in sliding matching with the external cylinder body is arranged inside the external cylinder body. Movable cylinder bodies are fixedly connected on the piston, and internal pistons in sliding matching with the moveable cylinder bodies are arranged inside the moveable cylinder bodies. The moveable cylinder bodies are at least two in number and the corresponding internal piston is at least one in number. Each cylinder body is provided with a socket at the upper end; an air inlet is arranged on the pedestal; vent holes are arranged on the internal pistons and the movable cylinder, except the topmost internal piston; and each cylinder body is provided with an exhaust vent at the upper end. Simple anchor ear devices are connected at the top parts of the sockets and the pneumatic lifting mast realizes the purpose of maintaining the height of the mast for a long time through the friction caused by the close contact between the anchor ears and the external surfaces of the cylinders.
Description
Technical field
The present invention relates to a kind of Pneumatic elevation mast, be specifically related to a kind ofly be made of the more piece cylinder, is power with compressed air, the mast that can stretch up and down.
Background technology
Pneumatic elevation mast claims elevating lever again, is widely used in mobile communication and military, national defence communication.Present existing Pneumatic elevation mast is to be cylinder body by steel pipe or aluminium-alloy pipe, adds upper piston, joint cover and formations such as sealing ring, valve.During use, with tracheae the valve on the cylinder is connected together with air pump, the energising booster air pump is imported the mast cylinder body with compressed air, rises thereby promote mast.When mast reaches capacity highly, when the compressed air of cylinder body reaches the certain pressure value, can close air pump, stop air feed.But because these seals can the lifting along with the lifting of mast, and the air pressure in the mast is higher than the outer air pressure of mast, and the tightness of mast is difficult to be guaranteed like this, has little leakage phenomenon.Therefore to make mast keep height for a long time, will constantly in cylinder body, replenish compressed air, make it the force value that keeps certain, common name " pressurize ".Otherwise mast will descend.When operating,, can cause mast to use especially in the open air if the seal of mast goes wrong.
Summary of the invention
The present invention is directed to above-mentioned existing Pneumatic elevation mast not " pressurize " just can not keep the problem of height for a long time, provide a kind of and need not " pressurize " just can keep Pneumatic elevation mast highly for a long time.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
Pneumatic elevation mast, fixedly connected outer cylinder body on base, be provided with the piston that is slidingly matched with it in the outer cylinder body, fixedly connected active cylinder block on the piston, be provided with the inner carrier that is slidingly matched with it in the active cylinder block, active cylinder block has two at least, corresponding inner carrier has 1 at least, the joint cover is set in the upper end of each cylinder body, air inlet port is set on base, on other inner carrier except that higher level's inner carrier and on the piston air vent is set, steam vent is set in the upper end of each cylinder body, described joint cover top is connected with band brake apparatus.
Described band brake apparatus comprises anchor ear, and the two ends of anchor ear are connected with fixed block, and fixed block connects by wire rod thread.Described anchor ear is connected with the joint cover by brace.Be provided with fixedly lubricating sleeve of anchor ear in the described anchor ear.
On the described air inlet port admission valve is installed.Sealing ring is set between the contact surface of each cylinder body and its piston reaches fixedly lubricating sleeve.The baffle ring of position-limiting action has been set between adjacent two active cylinder blocks.Between the contact surface of each joint cover and upper level active cylinder block fixedly sliding sleeve is set, the upper surface of each joint cover is provided with bump protection ring.On the surface of active cylinder block axial feather key is set, puts at joint gathering sill is set, feather key is embedded in the gathering sill.The lower end of upper level active cylinder block is positioned at the inner chamber of next stage piston.
Technique effect of the present invention is: 1, the present invention connects a simple band brake apparatus at the top of joint cover, rely on anchor ear and outer surface of cylinder block closely to contact the stiction that is produced and realize that mast keeps the purpose of height for a long time, cancelled the automatic control system next " pressurize " that existing Pneumatic elevation mast will keep height just must rely on power supply, air pump and be made up of electromagnetic valve, pressure sensor etc. for a long time, production and running cost have been reduced, environmental protection and energy saving.2, closely be connected between anchor ear device of the present invention and the cylinder body, eliminated the gap between the mechanical part of motion, improved the stability of mast greatly.3, the Pneumatic elevation mast of prior art is subjected to the influence of gas physical characteristic, generally has only two to use height: one is the elemental height after shrinking, and one is the maximum height after rising, and this just greatly reduces the utilization rate and the effect of mast.Anchor ear device of the present invention can located arbitrarily between initial and maximum height, has satisfied user's needs.4, the present invention is provided with fixedly lubricating sleeve of anchor ear in anchor ear, can reduce the friction of anchor ear and mast, makes mast lifting capable of expansion and contraction, smooth and easy.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the front view of the band brake apparatus among the present invention;
Fig. 3 is the vertical view of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
See Fig. 1, the present invention is fixedly connected outer cylinder body 11 on base 16, be provided with the piston 12 that is slidingly matched with it in the outer cylinder body 11, fixedly connected active cylinder block 10 on the piston 12, be provided with the inner carrier 17 that is slidingly matched with it in the active cylinder block 10, active cylinder block 10 has two at least, and corresponding inner carrier 17 has 1 at least.Joint cover 21 is set in the upper end of each cylinder body, on base 16, air inlet port is set, admission valve 15 is installed on the air inlet port.On other inner carrier 17 except that higher level's inner carrier 17 and on the piston 12 air vent 18 is set, steam vent 19 is set in the upper end of each cylinder body, joint cover 21 tops are connected with band brake apparatus.
See Fig. 2 and Fig. 3, band brake apparatus comprises anchor ear 1, and the two ends of anchor ear 1 are connected with fixed block 7 by bolt 3, and fixed block 7 is threaded by screw mandrel 8.Anchor ear 1 is connected with joint cover 21 by brace 5.The two ends of brace 5 are separately fixed on anchor ear 1 and the joint cover 21 by bolt 3.Be provided with fixedly lubricating sleeve 2 of anchor ear in the anchor ear 1, the anchor ear fixedly material of lubricating sleeve 2 is polytetrafluoroethylene (PTFE), and main effect is the friction that reduces anchor ear 1 and mast when unclamping band brake apparatus.
The baffle ring 9 of position-limiting action has been set between adjacent two active cylinder blocks, and this baffle ring 9 cooperates with joint cover 21, and the displacement of active cylinder block 10 is controlled.
Between the contact surface of each joint cover 21 and upper level active cylinder block 10, fixedly sliding sleeve 6 is set, to improve the sliding capability of 10 of joint cover 21 and active cylinder blocks.Upper surface at each joint cover 21 is provided with bump protection ring 4, when elevation mast is in contraction state, the lower surface of upper level joint cover is pressed on the upper surface of next stage joint cover, and the effect of bump protection ring 4 is to have avoided bumping each other, and bump protection ring 4 can be made of rubber or other elastomeric material.
In active cylinder block 10 uphill process, for avoiding active cylinder block 10 to rotate, on the surface of active cylinder block 10 axial feather key 20 is set, on joint cover 21, gathering sill is set, feather key 20 is embedded in the gathering sill, makes active cylinder block 10 have good steering capability in moving process.The lower end of upper level active cylinder block 10 is positioned at the inner chamber of next stage inner carrier 17 or piston 12.
Figure 1 shows that being provided with 6 inner carriers 17 adds a piston 12, amount to 7 structure of piston figure, corresponding active cylinder block 10 also has 6, adds outer cylinder body 11, and 7 cylinder bodies are arranged altogether.
Before band brake apparatus not being set, its use is as follows: during use, compressed air enters in the space of outer cylinder body 11 and piston 12 lower ends through admission valve 15, again by the air vent 18 on the piston 12, enter in the space that surrounds by piston 12 and inner carrier 17 and active cylinder block 10,, in the space that enters higher level's inner carrier 17 and time higher level's inner carrier 17 and corresponding active cylinder block 10 formations.Do not having under the situation of load, higher level's inner carrier 17 at first begins to move up, after higher level's inner carrier 17 moves a certain distance, inferior higher level's inner carrier 17 then begins to move up, after inferior higher level's inner carrier 17 moves a certain distance, next stage inner carrier 17 begins to move up, and the like.After elevation mast rose to predetermined altitude, all pistons all stopped to move.
When the higher level's active cylinder block 10 of higher level's inner carrier 17 and its rises to extreme position, baffle ring 9 on higher level's active cylinder block 10 contacts with joint cover 21 on time higher level's active cylinder block 10, the higher level's active cylinder block 10 of higher level's inner carrier 17 and its can't be moved up again, to guarantee that higher level's active cylinder block 10 has certain length in inferior higher level's active cylinder block 10, and the like, make each active cylinder block 10 all in adjacent next stage cylinder body, have certain length, thereby guarantee that whole elevating lever has enough rigidity.
After having increased band brake apparatus, band brake apparatus is in locking state at ordinary times, when mast need rise or descend, unclamp screw mandrel 8 with spanner, make between band brake apparatus and the mast gap to occur, the gas that charges and discharge by multistage pneumatic mast makes its rising or decline, stops to charge and discharge gas after arriving assigned address, with spanner locking screw mandrel 8, so just finish the locking of multistage pneumatic mast.
The concrete operations step of band brake apparatus is as follows:
Uphill process: from going up most joint, unclamp band brake apparatus earlier, open admission valve then and begin inflation, when this joint rises to specified altitude assignment, close admission valve and stop Aerated lock and hug brake gear, unclamp the next stage band brake apparatus ..., the rest may be inferred for other each joint.Decline process: open admission valve earlier and inflate to mast, when air pressure is 1.5 times of standard atmospheric pressures, close admission valve, from the most following second joint, unclamp band brake apparatus, open vent valve, when this joint is fallen fully, close vent valve, the locking band brake apparatus, unclamp the next stage band brake apparatus ..., the rest may be inferred for other each joint.
Claims (10)
1. Pneumatic elevation mast, fixedly connected outer cylinder body on base, be provided with the piston that is slidingly matched with it in the outer cylinder body, fixedly connected active cylinder block on the piston, be provided with the inner carrier that is slidingly matched with it in the active cylinder block, active cylinder block has two at least, corresponding inner carrier has 1 at least, the joint cover is set in the upper end of each cylinder body, air inlet port is set on base, on other inner carrier except that higher level's inner carrier and on the piston air vent is set, steam vent is set in the upper end of each cylinder body, it is characterized in that: described joint cover top is connected with band brake apparatus.
2. according to the described Pneumatic elevation mast of claim 1, it is characterized in that: described band brake apparatus comprises anchor ear, and the two ends of anchor ear are connected with fixed block, and fixed block connects by wire rod thread.
3. according to the described Pneumatic elevation mast of claim 2, it is characterized in that: described anchor ear is connected with the joint cover by brace.
4. according to claim 2 or 3 described Pneumatic elevation masts, it is characterized in that: be provided with fixedly lubricating sleeve of anchor ear in the described anchor ear.
5. according to the described Pneumatic elevation mast of claim 1, it is characterized in that: on the described air inlet port admission valve is installed.
6. according to the described Pneumatic elevation mast of claim 1, it is characterized in that: sealing ring is set between the contact surface of each cylinder body and its piston reaches fixedly lubricating sleeve.
7. according to the described Pneumatic elevation mast of claim 1, it is characterized in that: the baffle ring that position-limiting action has been set between adjacent two active cylinder blocks.
8. according to the described Pneumatic elevation mast of claim 1, it is characterized in that: between the contact surface of each joint cover and upper level active cylinder block fixedly sliding sleeve is set, the upper surface of each joint cover is provided with bump protection ring.
9. according to the described Pneumatic elevation mast of claim 1, it is characterized in that: on the surface of active cylinder block axial feather key is set, puts at joint gathering sill is set, feather key is embedded in the gathering sill.
10. according to the described Pneumatic elevation mast of claim 1, it is characterized in that: the lower end of upper level active cylinder block is positioned at the inner chamber of next stage piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810196688XA CN101368452B (en) | 2008-09-16 | 2008-09-16 | Pneumatic elevation mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810196688XA CN101368452B (en) | 2008-09-16 | 2008-09-16 | Pneumatic elevation mast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101368452A true CN101368452A (en) | 2009-02-18 |
| CN101368452B CN101368452B (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810196688XA Expired - Fee Related CN101368452B (en) | 2008-09-16 | 2008-09-16 | Pneumatic elevation mast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101368452B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032537A (en) * | 2010-09-29 | 2011-04-27 | 海洋王照明科技股份有限公司 | Supporting rod and illuminating lamps and lanterns |
| CN102094543A (en) * | 2011-02-15 | 2011-06-15 | 无锡市华鹰移动照明有限公司 | Pneumatic lifting communication tower |
| CN101572965B (en) * | 2009-04-30 | 2011-12-28 | 无锡市华鹰移动照明有限公司 | Jacking mobile base station |
| CN103836577A (en) * | 2012-11-27 | 2014-06-04 | 深圳市海洋王照明工程有限公司 | Lamp lifting rod and lamp with same |
| CN104818884A (en) * | 2015-05-14 | 2015-08-05 | 中山市默拜尔网络科技有限公司 | Lifting adjustment type communication launching tower |
| CN107049319A (en) * | 2017-05-14 | 2017-08-18 | 广东明路电力电子有限公司 | Dot matrix plantar pressure measuring device and its detection method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113559U (en) * | 1992-03-03 | 1992-08-19 | 机械电子工业部石家庄第五十四研究所 | Pneumatic telescopic antenna |
| CN2441922Y (en) * | 2000-07-01 | 2001-08-08 | 王剑平 | Multi-tube telescopic and free pulley flagpole |
| CN2741821Y (en) * | 2004-10-17 | 2005-11-23 | 铁道部电气化工程局宝鸡器材厂 | Locating ring |
| CN2769584Y (en) * | 2004-11-17 | 2006-04-05 | 重庆宗申技术开发研究有限公司 | Gripping hoop convenient to dismounting |
| CN201033958Y (en) * | 2007-04-29 | 2008-03-12 | 侯圣春 | Invisible flagpole |
| CN201276867Y (en) * | 2008-09-16 | 2009-07-22 | 无锡市华鹰移动照明有限公司 | Pneumatic elevation mast |
-
2008
- 2008-09-16 CN CN200810196688XA patent/CN101368452B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572965B (en) * | 2009-04-30 | 2011-12-28 | 无锡市华鹰移动照明有限公司 | Jacking mobile base station |
| CN102032537A (en) * | 2010-09-29 | 2011-04-27 | 海洋王照明科技股份有限公司 | Supporting rod and illuminating lamps and lanterns |
| CN102094543A (en) * | 2011-02-15 | 2011-06-15 | 无锡市华鹰移动照明有限公司 | Pneumatic lifting communication tower |
| CN103836577A (en) * | 2012-11-27 | 2014-06-04 | 深圳市海洋王照明工程有限公司 | Lamp lifting rod and lamp with same |
| CN103836577B (en) * | 2012-11-27 | 2016-07-13 | 深圳市海洋王照明工程有限公司 | Lamp lifting rod and use the light fixture of this lamp lifting rod |
| CN104818884A (en) * | 2015-05-14 | 2015-08-05 | 中山市默拜尔网络科技有限公司 | Lifting adjustment type communication launching tower |
| CN107049319A (en) * | 2017-05-14 | 2017-08-18 | 广东明路电力电子有限公司 | Dot matrix plantar pressure measuring device and its detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101368452B (en) | 2010-06-02 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20130916 |