CN106144405B - A kind of transmitter matches cavity - Google Patents
A kind of transmitter matches cavity Download PDFInfo
- Publication number
- CN106144405B CN106144405B CN201610640139.1A CN201610640139A CN106144405B CN 106144405 B CN106144405 B CN 106144405B CN 201610640139 A CN201610640139 A CN 201610640139A CN 106144405 B CN106144405 B CN 106144405B
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- CN
- China
- Prior art keywords
- short
- circuit trap
- guide rail
- shell
- trap
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/005—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising individual load carriers which are movably mounted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/32—Individual load-carriers
- B65G17/34—Individual load-carriers having flat surfaces, e.g. platforms, grids, forks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention relates to high power broadcast transmitter techniques field, a kind of more particularly to transmitter matching cavity, it includes shell, the top of short-circuit trap passes through slide assemblies and cage connection, slide assemblies include two guide rails set along outer cover length direction, two guide rails are respectively arranged on the both sides of short-circuit trap, and are connected respectively with siding by guide rail fixing element, and short-circuit trap is equipped with the sliding fulcrum for being used for being socketed guide rail；Driving device is connected with the top of short-circuit trap.A kind of transmitter matching cavity provided by the invention, guide rail is arranged on two upper lateral parts of short-circuit trap, so that the center of gravity of short-circuit trap is in the lower section of guide rail, short-circuit trap naturally droops, and back and forth more stablizes during operation, without increasing bearing length, its overall dimensions is smaller, therefore, the size of matching cavity, occupied space smaller will not be increased.
Description
Technical field
The present invention relates to high power broadcast transmitter techniques field, more particularly to a kind of transmitter matching cavity.
Background technology
The large scale equipments such as high power broadcast transmitter is complete power output purpose, using tune of the matching chamber as transmitter
Humorous coalignment, since it is with high frequency characteristics advantage, is at home and abroad used widely in the different types of machines of transmitter.
It is structurally characterized in that simple in structure, volume size is larger, mainly including shell cavity, guide rail, rolling bearing bearing, short-circuit trap
And driving device.
At present, the matching cavity tuning motion mode of domestic and international different types of machines is to configure guide rail in cavity bottom, pass through
Roller coaster supports cavity short circuit trap, and short-circuit trap drives roller coaster along bottom of chamber face perpendicular to bottom plate, and by driving device
Length direction moves back and forth.Short-circuit trap contact is discharged after in place by release device, with four wall point contacts.Wherein, drive
Device is generally pinion and-rack or friction roller drawstring formula.
But there are problems with for mode using the above structure：
1st, guide rail is under, and short-circuit trap is upper, and moving component center of gravity is higher, back and forth, it is necessary to longer water during tuning movement
Flat supporting item keeps the stability of short-circuit trap, otherwise can produce when short-circuit trap movement velocity changes and acutely rock.But
Bearing length is increased in addition to it can increase construction weight, can also increase the length of transmitter, i.e., when short-circuit trap is located at cavity one
During end, supporting item can stretch out cavity, occupied space；
2nd, driving device uses pinion and-rack, and transmission mechanism structure is excessively complicated, and production, install, is difficult in maintenance；Using
Friction roller drawstring formula, rubber rope or drawstring thereon are wrapped in by roller driving, the short-circuit trap on sliding guides, but are rolled
Often size is big for wheel, and can produce dislocation after moving back and forth for a long time.
In short, common matching cavity in current transmitter, in the prevalence of short-circuit trap move mode and type of drive
Unreasonable situation, is unfavorable for the normal use of transmitter.
The content of the invention
It is an object of the invention to propose a kind of transmitter matching cavity, to solve short-circuit trap existing in the prior art
Move mode and type of drive are unreasonable, are unfavorable for the technical problem of the normal use of transmitter.
For this purpose, the present invention uses following technical scheme：
A kind of transmitter matches cavity, including shell, the shell include bottom plate, top plate and two pieces of sidings, the shell
Cheng Transverse are put rectangular barrel-shaped, are equipped with short-circuit trap in the shell, the short circuit trap and the top plate, the bottom plate and described
Siding is vertically arranged, and the middle part of the short circuit trap is equipped with two cavity inner wires extended along the outer cover length direction,
One end of the cavity inner wire is connected with support plate, and the other end is connected with support base；
By slide assemblies and the cage connection, the slide assemblies include two along institute at the top of the short circuit trap
The guide rail of outer cover length direction setting is stated, two guide rails are respectively arranged on the both sides of the short-circuit trap, and consolidate by guide rail
Determine part to be connected with the siding respectively, the short circuit trap is equipped with the sliding fulcrum for being used for being socketed the guide rail；
Driving device is connected with the top of the short circuit trap.
Further, the driving device includes driving band, one end of the driving band and the side of the short-circuit trap
Connection, the drawstring of other end connection insulation, drawstring are connected with the opposite side of the short-circuit trap；
The driving band is engaged with driving pulley, and the driving pulley is connected with driver.
Further, the sliding fulcrum is in the form of slot, including two pieces of side walls and one piece of bottom wall, notch towards the siding,
The bearing roller for being slided on the guide rail is equipped with the side wall and the bottom wall, to described three direction branch of guide rail
Support.
Further, the driving band is synchronous cog belt, and the synchronous cog belt is fixedly connected with the drawstring, described
Driving pulley is synchronizing jugged belt wheel, and the synchronizing jugged belt wheel is engaged with the synchronous cog belt.
Further, the driver and the synchronizing jugged belt wheel are arranged on the top of the shell, the top of the shell
Portion is equipped with directive wheel, and the synchronous cog belt is connected with the directive wheel, and fixed pulley is connected with the drawstring.
Further, the guide rail is in cylinder.
Further, the material of the drawstring is tetrafluoroethene.
A kind of transmitter matching cavity provided by the invention, in use, driving short-circuit trap along guide rail by driving device
Move back and forth, specifically, driving device is drives short-circuit trap, the sliding fulcrum of short-circuit trap slides on guide rail, and slide connects
Connect on the shell, and then complete the movement of short-circuit trap.
The transmitter matches cavity, and guide rail is arranged on two upper lateral parts of short-circuit trap, so that the center of gravity of short-circuit trap
In the lower section of guide rail, short-circuit trap naturally droops, and back and forth more stablizes during operation, without increasing bearing length, its overall dimensions
It is smaller, therefore, the size of matching cavity, occupied space smaller will not be increased.
Brief description of the drawings
Fig. 1 is the structure diagram of transmitter matching cavity provided in an embodiment of the present invention；
Fig. 2 is the side view of transmitter matching cavity provided in an embodiment of the present invention；
Fig. 3 is the partial enlarged view at the sliding fulcrum of transmitter matching cavity provided in an embodiment of the present invention.
In figure：
1st, short-circuit trap；2nd, cavity inner wire；3rd, shell；4th, sliding fulcrum；5th, guide rail；6th, guide rail fixing element；7th, it is fixed sliding
Wheel；8th, driver；9th, synchronizing jugged belt wheel；10th, support plate；11st, support base；12nd, drawstring；13rd, synchronous cog belt.
Embodiment
Further illustrate technical scheme below with reference to the accompanying drawings and specific embodiments.
As shown in Figs. 1-3, a kind of transmitter matching cavity, including shell 3, outside including bottom plate, top shell plate and two pieces of sidings,
3 Cheng Transverse of shell put rectangular barrel-shaped, are equipped with short-circuit trap 1 in shell 3, short-circuit trap 1 with top plate, bottom plate and siding are vertical sets
Put, the middle part of short-circuit trap 1 is equipped with two cavity inner wires 2 extended along 3 length direction of shell, one end of cavity inner wire 2
Support plate 10 is connected with, the other end is connected with support base 11；
The top of short-circuit trap 1 is connected by slide assemblies with shell 3, and slide assemblies include two along 3 length side of shell
To the guide rail 5 of setting, two guide rails 5 are respectively arranged on the both sides of short-circuit trap 1, and are connected respectively with siding by guide rail fixing element 6
Connect, short-circuit trap 1 is equipped with the sliding fulcrum 4 for being used for being socketed guide rail 5；
The top of short-circuit trap 1 is connected with driving device.
Top plate and the siding of front side not shown in Fig. 1.
Relation between the center of gravity of the short-circuit trap 1 of adjustment and its guide rail 5, specifically, guide rail 5 is arranged on short-circuit trap 1
Top, corresponding guide rail 5 is respectively provided with the both sides of short-circuit trap 1, short-circuit trap 1 is connected by sliding fulcrum 4 with guide rail 5,
Sliding fulcrum 4 can on guide rail 5 smooth sliding.
The center of gravity of short-circuit trap 1 is under guide rail 5, under 1 nature of short-circuit trap under the action of guide rail 5 and sliding fulcrum 4
Hang down, it is more steady when sliding, and is less prone to the phenomenon rocked.
Driving device includes driving band, drives one end of band to be connected with the side of short-circuit trap 1, other end connection insulation
Drawstring 12, drawstring 12 are connected with the opposite side of short-circuit trap 1；
Driving band is engaged with driving pulley, and driving pulley is connected with driver 8.
The end of driving band and drawstring 12 connects the both sides of short-circuit trap 1 respectively, can band by driver 8 and drawstring 12
The movement of dynamic driving band, wherein, the moving direction of the rotating forward reversion control driving band of driver 8, that is, control the shifting of short-circuit trap 1
Dynamic direction, wherein, it is preferred that driving band is synchronous cog belt 13, and synchronous cog belt 13 is fixedly connected with drawstring 12, driving pulley
For synchronizing jugged belt wheel 9, synchronizing jugged belt wheel 9 is connected with synchronous cog belt 13.
Tooth on synchronous cog belt 13 is meshed with the tooth on synchronizing jugged belt wheel 9, by tooth passing power, such a transmission
Mode, simple in structure, cost is low, and movement is light, it can be achieved that fast and accurate positioning.
Sliding fulcrum 4 is in the form of slot, including two pieces of side walls and one piece of bottom wall, and notch is all provided with side wall and bottom wall towards siding
The bearing roller slided on guide rail 5 is useful for, to 5 three direction supports of guide rail.
Sliding fulcrum 4 is equipped with the structure of bearing roller for three faces, and three bread are rolled on guide rail 5, pulley and guide rail 5
Between coordinate slide, using such a mode, the frictional force between short-circuit trap 1 and guide rail 5 can be reduced, slide short-circuit trap 1
Shi Gengjia smooth steadies, to reduce the possibility rocked.
Driver 8 and synchronizing jugged belt wheel 9 are arranged on the top of shell 3, and the top of shell 3 is equipped with directive wheel, synchronizing jugged
Band 13 is connected with directive wheel, and fixed pulley 7 is connected with drawstring 12.
Two fixed pulleys 7 can be connected on drawstring 12, two fixed pulleys 7, synchronizing jugged belt wheel 9 and directive wheel coordinate synchronous gear
Shape band 13 and drawstring 12 form a quadrilateral structure, wherein, 2 points of base are a fixed pulley 7 and directive wheel respectively, bottom
Side is parallel to each other with guide rail 5, wherein, it is preferred that base is located in same level with two guide rails 5.
Using such a form, convenient saving driving device the space occupied, and, it is ensured that synchronous cog belt 13 and drawstring 12
The direction for acting on the power on short-circuit trap 1 applies for horizontal direction, ensures stationarity when short-circuit trap 1 moves.
Preferably, guide rail 5 is in cylinder.The surface of circular guide rail 5 and the contact area of sliding fulcrum 4 are smaller, into one
The reduction friction of step.
Preferably, the material of drawstring 12 is tetrafluoroethene.Drawstring 12 has preferable corrosion resistance, pliability, and tension
Intensity is high, and service life is longer, it is ensured that the normal use of driving device.
When specifically used, driver 8 drives synchronizing jugged belt wheel 9 to rotate, and synchronous cog belt 13 and drawstring 12 are in synchronous gear
Moved under the action of shape belt wheel 9, drive short-circuit trap 1 to move, wherein, the sliding fulcrum 4 of short-circuit trap 1 moves on guide rail 5.
Such a regulative mode, guide rail 5 is arranged on the center of gravity of short-circuit trap 1 so that short-circuit trap 1 moves more flat
Surely, the situation rocked is less prone to, it is therefore not necessary to carry out the support of oversized dimensions so that overall volume smaller, and use same
Walk the type of drive of toothed belt 13 and drawstring 12, it is simple in structure, cost is low, and translational speed is fast, positioning is hard-cover.
Above in association with the specific embodiment technical principle that the invention has been described.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention cannot be construed in any way.Based on explanation herein, the technology of this area
Personnel would not require any inventive effort the other embodiments that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (7)
1. a kind of transmitter matches cavity, it is characterised in that including shell (3), the shell (3) includes bottom plate, top plate and two
Block siding, (3) Cheng Transverse put rectangular barrel-shaped, and short-circuit trap (1), the short circuit trap are equipped with the shell (3) for the shell
(1) it is vertically arranged with the top plate, the bottom plate and the siding, the middle part of the short circuit trap (1) is equipped with two along institute
The cavity inner wire (2) of shell (3) length direction extension is stated, one end of the cavity inner wire (2) is connected with support plate (10),
The other end is connected with support base (11)；
The top of the short circuit trap (1) is connected by slide assemblies with the shell (3), and the slide assemblies include two edges
The guide rail (5) that shell (3) length direction is set, two guide rails (5) are respectively arranged on the two of the short-circuit trap (1)
Side, and be connected respectively with the siding by guide rail fixing element (6), the short circuit trap (1), which is equipped with, to be used to be socketed described lead
The sliding fulcrum (4) of rail (5)；
Driving device is connected with the top of the short circuit trap (1).
2. transmitter according to claim 1 matches cavity, it is characterised in that the driving device includes driving band, institute
The one end for stating driving band is connected with the side of the short-circuit trap (1), the drawstring (12) of other end connection insulation, the drawstring
(12) opposite side with the short-circuit trap (1) is connected；
The driving band is engaged with driving pulley, and the driving pulley is connected with driver (8).
3. transmitter according to claim 1 matches cavity, it is characterised in that the sliding fulcrum (4) is in the form of slot, including
Two pieces of side walls and one piece of bottom wall, notch are equipped with the guide rail on the side wall and the bottom wall towards the siding
(5) bearing roller slided on, to described (5) three direction supports of guide rail.
4. transmitter according to claim 2 matches cavity, it is characterised in that the driving band is synchronous cog belt
(13), the synchronous cog belt (13) is fixedly connected with the drawstring (12), and the driving pulley is synchronizing jugged belt wheel (9),
The synchronizing jugged belt wheel (9) is engaged with the synchronous cog belt (13).
5. transmitter according to claim 4 matches cavity, it is characterised in that the driver (8) and the synchronous gear
Shape belt wheel (9) is arranged on the top of the shell (3), and the top of the shell (3) is equipped with directive wheel, the synchronous cog belt (13)
It is connected with the directive wheel, fixed pulley (7) is connected with the drawstring (12).
6. transmitter according to claim 1 matches cavity, it is characterised in that the guide rail (5) is in cylinder.
7. transmitter according to claim 4 matches cavity, it is characterised in that the material of the drawstring (12) is tetrafluoro second
Alkene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640139.1A CN106144405B (en) | 2016-08-05 | 2016-08-05 | A kind of transmitter matches cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640139.1A CN106144405B (en) | 2016-08-05 | 2016-08-05 | A kind of transmitter matches cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106144405A CN106144405A (en) | 2016-11-23 |
| CN106144405B true CN106144405B (en) | 2018-05-04 |
Family
ID=57329381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610640139.1A Active CN106144405B (en) | 2016-08-05 | 2016-08-05 | A kind of transmitter matches cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106144405B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571225A (en) * | 1995-05-05 | 1996-11-05 | Harnischfeger Corporation | Drive arrangement and method for installing such arrangement in a machine |
| CN2795120Y (en) * | 2005-05-08 | 2006-07-12 | 江苏天奇物流系统工程股份有限公司 | Slope climbing mechanism for self walking small vehicle |
| CN204211032U (en) * | 2014-10-19 | 2015-03-18 | 东莞市鸿铭机械有限公司 | There are three conveying mechanisms in flakes of reverse screw component |
| CN204280507U (en) * | 2014-11-13 | 2015-04-22 | 群翊工业股份有限公司 | Circuit card baking box pylon transfer device |
| CN204611222U (en) * | 2015-03-18 | 2015-09-02 | 湖南工业大学 | A kind of remote teaching both-way trunk line amplifier accessory |
| CN205278681U (en) * | 2015-12-05 | 2016-06-01 | 重庆龙之火文化传播有限公司 | Distance learning bothway trunk line amplifier accessory |
| CN205366832U (en) * | 2015-12-08 | 2016-07-06 | 芜湖雅葆轩电子科技有限公司 | PCB board transfer system with lubricated mechanism |
| CN205932114U (en) * | 2016-08-05 | 2017-02-08 | 北京长峰广播通讯设备有限责任公司 | Transmitter matches cavity |
-
2016
- 2016-08-05 CN CN201610640139.1A patent/CN106144405B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571225A (en) * | 1995-05-05 | 1996-11-05 | Harnischfeger Corporation | Drive arrangement and method for installing such arrangement in a machine |
| CN2795120Y (en) * | 2005-05-08 | 2006-07-12 | 江苏天奇物流系统工程股份有限公司 | Slope climbing mechanism for self walking small vehicle |
| CN204211032U (en) * | 2014-10-19 | 2015-03-18 | 东莞市鸿铭机械有限公司 | There are three conveying mechanisms in flakes of reverse screw component |
| CN204280507U (en) * | 2014-11-13 | 2015-04-22 | 群翊工业股份有限公司 | Circuit card baking box pylon transfer device |
| CN204611222U (en) * | 2015-03-18 | 2015-09-02 | 湖南工业大学 | A kind of remote teaching both-way trunk line amplifier accessory |
| CN205278681U (en) * | 2015-12-05 | 2016-06-01 | 重庆龙之火文化传播有限公司 | Distance learning bothway trunk line amplifier accessory |
| CN205366832U (en) * | 2015-12-08 | 2016-07-06 | 芜湖雅葆轩电子科技有限公司 | PCB board transfer system with lubricated mechanism |
| CN205932114U (en) * | 2016-08-05 | 2017-02-08 | 北京长峰广播通讯设备有限责任公司 | Transmitter matches cavity |
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| Publication number | Publication date |
|---|---|
| CN106144405A (en) | 2016-11-23 |
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Address after: 100853 3 floor, 86 building, 50 Yongding Road, Haidian District, Beijing. Patentee after: Beijing Guangtong Aerospace Science and Technology Co Ltd Address before: 100854 three floor, 86 building, 50 Yongding Road, Haidian District, Beijing. Patentee before: Beijing Changfeng Broadcasting Communication Equipment Co., Ltd. |