CN201276865Y - Band brake apparatus of pneumatic elevation mast - Google Patents
Band brake apparatus of pneumatic elevation mast Download PDFInfo
- Publication number
- CN201276865Y CN201276865Y CNU2008201603044U CN200820160304U CN201276865Y CN 201276865 Y CN201276865 Y CN 201276865Y CN U2008201603044 U CNU2008201603044 U CN U2008201603044U CN 200820160304 U CN200820160304 U CN 200820160304U CN 201276865 Y CN201276865 Y CN 201276865Y
- Authority
- CN
- China
- Prior art keywords
- brake apparatus
- band brake
- pneumatic elevation
- mast
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a band brake apparatus of pneumatic elevation masts, which is designed according to the problem that the existing pneumatic elevation mast can not maintain height for a long time without 'pressure maintaining'. The band brake apparatus of pneumatic elevation masts comprises a collar clamp with two ends respectively connected with a fixed block, and the fixed blocks are in threaded connection through a lead screw. The band brake apparatus of pneumatic elevation masts can realize long-term maintaining height by aids of static friction generated by tight contact between the collar clamp and the outer surface of a cylinder body, thereby reducing production and operation cost, protecting environment and saving energy.
Description
Technical field
The utility model relates to a kind of band brake apparatus of pneumatic elevation mast, specifically a kind of locking device that can keep the Pneumatic elevation mast height for a long time.
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.Its main method that keeps height is to rely on the seal of mast to prevent that the gas in the mast from overflowing.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 utility model at existing Pneumatic elevation mast not " pressurize " just can not keep the problem of height for a long time, a kind of band brake apparatus of pneumatic elevation mast is provided, this device makes Pneumatic elevation mast not have long-term its height that keeps under the situation of " pressurize ".
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
Two ends at anchor ear are respectively arranged with fixed block, and two fixed blocks utilize bolt to interconnect.
Be provided with fixedly lubricating sleeve of anchor ear in the described anchor ear.End at anchor ear is provided with groove, at the corresponding position of fixed block projection is set, and described projection embeds in the described groove.
Middle part at bolt is provided with the flange-like bulge loop that plays the role of positioning, and at the two ends of bolt screw thread is set respectively; In described two fixed blocks, a fixed block is provided with screwed hole, and another fixed block is provided with through hole, and an end and the described screwed hole of bolt are connected, and the other end passes through hole and nut is connected, and the flange-like bulge loop is between two fixed blocks; The external diameter of described flange-like bulge loop is greater than the diameter of through hole or screwed hole.
On one section bolt between flange-like bulge loop and the fixed block that through hole is set, be connected adjusting nut, stretch out attaching nut on the end of through hole at bolt.
Technique effect of the present utility model is: 1, the utility model is installed on the Pneumatic elevation mast, 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 utility model and the Pneumatic elevation mast 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 utility model can located arbitrarily between initial and maximum height, has satisfied user's needs.4, the utility model 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 front view of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a user mode schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described.
See Fig. 1 and Fig. 2, utilize screw 2 to be connected with 3, two fixed blocks 3 of fixed block at the two ends of anchor ear 5 respectively and utilize bolt 1 to interconnect.Be provided with fixedly lubricating sleeve 4 of anchor ear in the anchor ear 5, the anchor ear fixedly material of lubricating sleeve 4 is polytetrafluoroethylene (PTFE), and main effect is the friction that reduces anchor ear 5 and mast when unclamping band brake apparatus.End at anchor ear 5 is provided with groove, at the corresponding position of fixed block 3 projection 10 is set, and described projection 10 embeds in the described groove, and utilizes groove and projection 10 to locate mutually.
Middle part at bolt 1 is provided with the flange-like bulge loop 9 that plays the role of positioning, and at the two ends of bolt 1 screw thread is set respectively; In described two fixed blocks 3, a fixed block is provided with screwed hole, and another fixed block is provided with through hole, and an end and the described screwed hole of bolt 1 are connected, and the other end passes through hole and nut 12 is connected, and flange-like bulge loop 9 is between two fixed blocks 3; The external diameter of described flange-like bulge loop 9 is greater than the diameter of through hole or screwed hole, in order to avoid flange-like bulge loop 9 enters in through hole or the screwed hole.
On the bolt 1 between flange-like bulge loop 9 and the fixed block 3 that through hole is set, be connected adjusting nut 11, utilize this adjusting nut 11 can regulate two fixed blocks 3 in the spacing that is under the stationary state, to regulate the power of holding tightly of band brake apparatus, after adjusting puts in place, fastening with nut 12; Stretch out at bolt 1 and connect the nut 12 that plays the role of fastening on the end of through hole.In addition, also can regulate the power of holding tightly, directly utilize the screwed hole of the screw thread of bolt 1 end and fixed block 3 to cooperatively interact and regulate the power of holding tightly without adjusting nut 11, regulate put in place after, utilize nut 12 fastening location.
See Fig. 3, anchor ear 5 is connected with the joint cover 8 of Pneumatic elevation mast by brace 7.The two ends of brace 7 are separately fixed on anchor ear 5 and the joint cover 8 by bolt.
The concrete operations step of band brake apparatus 6 is as follows: uphill process: from the joint of going up most of Pneumatic elevation mast, unclamp band brake apparatus 6 earlier, open admission valve then and begin inflation, when this joint rises to specified altitude assignment, closing admission valve stops Aerated lock and hugs brake gear 6, unclamp next stage band brake apparatus 6 ..., 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 6, open vent valve, when this joint is fallen fully, close vent valve, locking band brake apparatus 6, unclamp next stage band brake apparatus 6 ..., the rest may be inferred for other each joint.
Claims (5)
1, band brake apparatus of pneumatic elevation mast comprises anchor ear, it is characterized in that: the two ends of described anchor ear (5) are respectively arranged with fixed block (3), and two fixed blocks (3) utilize bolt (1) to interconnect.
2, band brake apparatus of pneumatic elevation mast as claimed in claim 1 is characterized in that: be provided with fixedly lubricating sleeve (4) of anchor ear in the described anchor ear (5).
3, band brake apparatus of pneumatic elevation mast as claimed in claim 1 is characterized in that: the end at anchor ear (5) is provided with groove, at the corresponding position of fixed block (3) projection (10) is set, and described projection (10) embeds in the described groove.
4, band brake apparatus of pneumatic elevation mast as claimed in claim 1 is characterized in that: the middle part at bolt (1) is provided with the flange-like bulge loop (9) that plays the role of positioning, and at the two ends of bolt (1) screw thread is set respectively; In described two fixed blocks (3), a fixed block is provided with screwed hole, and another fixed block is provided with through hole, and an end and the described screwed hole of bolt (1) are connected, the other end passes through hole and nut is connected, and flange-like bulge loop (9) is positioned between two fixed blocks (3); The external diameter of described flange-like bulge loop (9) is greater than the diameter of through hole or screwed hole.
5, band brake apparatus of pneumatic elevation mast as claimed in claim 4, it is characterized in that: on the bolt (1) between flange-like bulge loop (9) and the fixed block that through hole is set (3), be connected adjusting nut (11), stretch out attaching nut (12) on the end of through hole at bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201603044U CN201276865Y (en) | 2008-09-16 | 2008-09-16 | Band brake apparatus of pneumatic elevation mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201603044U CN201276865Y (en) | 2008-09-16 | 2008-09-16 | Band brake apparatus of pneumatic elevation mast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201276865Y true CN201276865Y (en) | 2009-07-22 |
Family
ID=40894450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201603044U Expired - Lifetime CN201276865Y (en) | 2008-09-16 | 2008-09-16 | Band brake apparatus of pneumatic elevation mast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201276865Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109290949A (en) * | 2018-11-26 | 2019-02-01 | 安徽多邦珩磨技术有限公司 | A kind of method of holding element and floating clamp and its clamping workpiece |
-
2008
- 2008-09-16 CN CNU2008201603044U patent/CN201276865Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102094543B (en) * | 2011-02-15 | 2012-09-26 | 无锡市华鹰移动照明有限公司 | Pneumatic lifting communication tower |
| CN109290949A (en) * | 2018-11-26 | 2019-02-01 | 安徽多邦珩磨技术有限公司 | A kind of method of holding element and floating clamp and its clamping workpiece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101368452B (en) | Pneumatic elevation mast | |
| CN201276865Y (en) | Band brake apparatus of pneumatic elevation mast | |
| JP2013530056A (en) | Screw tightening device | |
| AU7808701A (en) | Sealing assembly | |
| CN101368451B (en) | Band brake apparatus of pneumatic elevation mast | |
| CN205402160U (en) | Pneumatic lifter of self tightening sealing | |
| CN201276867Y (en) | Pneumatic elevation mast | |
| CN110345127B (en) | Multi-stage hydraulic cylinder | |
| CN207064552U (en) | A kind of inflation/deflation automatic switching control equipment | |
| CN208900736U (en) | From boost charge-air sealed butterfly valve | |
| CN101463942B (en) | Gas container and unidirectional three-way valve for high-pressure air feed | |
| CN202325566U (en) | High-flow pilot operated check valve | |
| CN212127436U (en) | Gas-liquid double-medium buffer oil cylinder | |
| CN210135259U (en) | Pneumatic starting valve | |
| CN111828435A (en) | Vacuum exhaust valve reaches cubic apparatus press including it | |
| CN103499832B (en) | A kind of cylinder pressure stable control device and using method | |
| CN208252303U (en) | A kind of novel sectional plunger device | |
| CN207315625U (en) | Tool for mounting packing for liquid nitrogen pump | |
| CN205780032U (en) | A kind of modified model oil cylinder cylinder cap seals structure | |
| CN209875600U (en) | Pneumatic control high-pressure unloading valve | |
| CN208778387U (en) | Pressurizing cylinder | |
| CN205089280U (en) | Automatic pressure relief device of oil well casing gas | |
| CN212870333U (en) | Refrigerant filling gun | |
| CN220134493U (en) | Cylinder with improved sealing structure and adjustable damping | |
| CN203784399U (en) | Low-maintenance type pressure relief/sustaining valve provided with external spring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090722 Effective date of abandoning: 20080916 |