CN107021438B - A kind of mobile sunpender of more suspension centres - Google Patents
A kind of mobile sunpender of more suspension centres Download PDFInfo
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- CN107021438B CN107021438B CN201710246909.9A CN201710246909A CN107021438B CN 107021438 B CN107021438 B CN 107021438B CN 201710246909 A CN201710246909 A CN 201710246909A CN 107021438 B CN107021438 B CN 107021438B
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- sunpender
- rope drum
- rope
- sluggish
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a kind of mobile sunpenders of more suspension centres, including main longitudinal grider, pan carriage, string shaft type elevator unit and horizontal sunpender, shaft type elevator unit of going here and there includes several rope drums, pass through intermediate axis connection between adjacent rope drum, jackshaft is coaxially arranged with rope drum, rope drum is equipped with and can connect wound on the haul line on rope drum, haul line one end with rope drum, and the haul line other end is connect with horizontal sunpender.The beneficial effects of the present invention are: design is rationally, it is compact structure and easy to use, stable structure runs smoothly, and displacement is flexible, off-position is accurate, have the function of sunpender itself, can be used for hanging the objects such as curtain, setting, and energy Multidirectional-moving, to realize more performance functions, and the number of sunpender class equipment can be effectively saved by the promotion of moving range, construction investment can be saved, utilization rate of equipment and installations is improved.
Description
Technical field
The present invention relates to performing art stage technique field more particularly to a kind of mobile sunpenders of more suspension centres.
Background technique
With the increasingly prosperity of cultural products market, the construction of theater class performing art venue or the dynamics of investment on upgrading are also
It is increasing.On the one hand, traditional theater is the performance needs for adapting to the various directorys, for hanging the objects such as curtain, setting
Sunpender class equipment can configure very much, few then hundred multiple tracks of five or six ten, Duo Zeyi, construction investment are huge.On the other hand these sunpenders
The utilization rate of class equipment is very low, general to use the road Ye Jiuji, more than ten simultaneously.But since different programs is to using
Boom location is all different, requires theater device configuration just entire flies must be covered with sunpender to meet this, causes into
This is relatively excessively high, and utilization rate is too low.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of stable structure, has sunpender sheet
The function of body can be used for hanging the objects such as curtain, setting, and energy Multidirectional-moving, to realize more performance functions, and can lead to
The promotion for crossing moving range effectively saves the number of sunpender class equipment, can effectively reduce the mobile sunpender of more suspension centres of cost.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of mobile sunpender of more suspension centres, including main longitudinal grider, the pan carriage that can be translated on main longitudinal grider, for driving pan carriage
The translation motor of translation, the string shaft type elevator unit being arranged in pan carriage and horizontal hanging below string shaft type elevator unit is set
Bar, the string shaft type elevator unit include several rope drums and the elevator motor for driving the rotation of one of rope drum, respectively
Rope drum is coaxially arranged, and by intermediate axis connection between adjacent rope drum, jackshaft is coaxially arranged with rope drum, sets on rope drum
Having can connect wound on the haul line on rope drum, haul line one end with rope drum, and the haul line other end is connect with horizontal sunpender.
Preferably, the main longitudinal grider includes beam body and several translating rails being arranged in beam body, each translating rails are flat
Row arrangement, pan carriage are equipped with several and one-to-one wheel carrier of translating rails, in corresponding translating rails and wheel carrier: wheel carrier
It is equipped with a pair of translation idler wheel with translating rails cooperation.
Preferably, the translation motor is arranged in pan carriage, gear shaft, gear shaft and translation electricity are equipped with below beam body
The output end of machine is coaxially connected, and gear shaft is rotatably assorted with all wheel carriers, and translating rails are equipped with rack gear, if gear shaft is equipped with
The dry and one-to-one shiftable gear of rack gear, shiftable gear is coaxially connected with gear shaft, and shiftable gear is engaged with corresponding rack gear.
Preferably, the elevator motor is arranged in pan carriage, elevator motor is in the ipsilateral of all rope drums, is rolling up
In rope roll axial direction, the output end of elevator motor and a nearest rope drum are coaxially connected.
Preferably, the rope drum is equipped with the spiral rope groove for being oriented to haul line, spiral rope groove axis and rope rolling
Cylinder is coaxially arranged, on two neighboring rope drum: the rotation direction of spiral rope groove and spiral on another rope drum on a rope drum
Rope groove it is oppositely oriented.
Preferably, the horizontal sunpender is equipped with several and one-to-one first connector of haul line, haul line passes through
Corresponding first connector is connect with horizontal sunpender, and the first connector is fixed with corresponding haul line, horizontal sunpender be equipped with it is several with hang
One-to-one second connector of drawstring, in corresponding haul line and the second connector: being equipped with pulley on the second connector, hang
Drawstring bypasses pulley from below and contacts with pulley cooperation.
Preferably, further including body frame and subframe, body frame and subframe are fixed with ground, and body frame is equipped with to be rotated with body frame
The directive wheel of connection, subframe are equipped with the circle protection post being rotatablely connected with subframe, circle protection post axis horizontal, and directive wheel axis is put down
Row protects mast axis in circle, and circle protection post is equipped with the wire drum coaxially connected with circle protection post, is wound with drag-line on wire drum,
Drag-line one end is fixed with wire drum, and the drag-line other end, which is tied up, to be fixed on horizontal sunpender, drag-line from top around directive wheel and with lead
To wheel cooperation contact, directive wheel minimum point is higher than horizontal sunpender highest point, and directive wheel minimum point is higher than wire drum highest point, circle protection
Sluggish plate is equipped with below column, circle protection post is equipped with multiple protection sliding slots, and it is each that sliding slot is protected circumferentially to be uniformly distributed along circle protection post,
Protect sliding slot to be equipped with the protection spring and protection slide bar for contacting sluggish plate, in a protection sliding slot: protect spring and
Protection slide bar inner end is in protection sliding slot, and protection slide bar outer end is in outside protection sliding slot, protection slide bar inner end connection protection bullet
Spring one end, protection spring other end connection protection sliding slot slot bottom, protection slide bar are slidably matched with protection sliding slot, protect sliding bar
Mast axis is protected perpendicular to circle in direction, and protection axle of spring is parallel to protection sliding bar direction, and protection axle of spring and circle are anti-
The intersection of guard post axis.
Preferably, the ground is equipped with sluggish cylinder body, it is equipped in sluggish cylinder body and is slidingly sealed cooperation with sluggish cylinder body
Slack piston, slack piston glide direction is vertical, and slack piston is equipped with piston rod, and piston rod is connect with sluggish plate, sluggishness
The cavity that sluggish cylinder interior is separated into inflatable chamber and be in communication with the outside by piston, sluggish cylinder body are equipped with and are connected to inflatable chamber
The inlet end of air inlet, gas outlet and air supply pipe, air supply pipe is connected to gas outlet, and horizontal boom foot is equipped with the increasing of several unaerateds
Protect air bag, increase and protect air bag and be equipped with gas tube, all gas tubes are connected to the outlet side of the main tracheae of same root, main tracheae into
Gas end is docked with the outlet side of air supply pipe by pipe fitting, and air inlet is equipped with breather check valve, and gas outlet is equipped with outlet list
To valve, breather check valve can be by the external world to inflatable chamber by direction, and outgassing nonreturn valve can be by inflatable chamber to confession by direction
Tracheae, main tracheae are equipped with vent valve, and sluggish plate is in above sluggish cylinder body, and cavity is between inflatable chamber and sluggish plate, fill
The ventilation spring of axis vertical is equipped in air cavity, ventilation lower spring end connects sluggish cylinder body, and ventilation spring upper end connection is sluggish living
Plug.
The beneficial effects of the present invention are: design is rationally, compact structure and easy to use, stable structure runs smoothly, displacement
Flexibly, off-position is accurate, has the function of sunpender itself, can be used for hanging the objects such as curtain, setting, and energy Multidirectional-moving, with
It realizes more performance functions, and can effectively save the number of sunpender class equipment by the promotion of moving range, can save and build
If investment, improves utilization rate of equipment and installations.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is the enlarged drawing in Fig. 1 at C；
Fig. 5 is the enlarged drawing in Fig. 1 at D；
Fig. 6 be in the embodiment of the present invention 2 directive wheel and circle protection post at structural schematic diagram；
Fig. 7 is the enlarged drawing in Fig. 6 at E；
Fig. 8 is the structural schematic diagram at present invention circle protection post.
In figure: main longitudinal grider 1, beam body 11, translating rails 12, pan carriage 2, wheel carrier 21, translation idler wheel 22, translation motor 3, string
Shaft type elevator unit 4, rope drum 41, haul line 411, elevator motor 42, jackshaft 43, horizontal sunpender 5, the first connector 51,
Two connectors 52, pulley 521, gear shaft 61, rack gear 62, shiftable gear 63, directive wheel 71, circle protection post 72, protection sliding slot
721, spring 722, protection slide bar 723, rope drum 73, drag-line 74, sluggish plate 75, sluggish cylinder body 76, inflatable chamber 76a, sky are protected
Chamber 76b, slack piston 761, piston rod 762, air supply pipe 763, breather check valve 764, outgassing nonreturn valve 765, ventilation spring
766。
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment 1: as shown in Fig. 1 to Fig. 5, a kind of mobile sunpenders of more suspension centres, including main longitudinal grider 1, can be on main longitudinal grider
The pan carriage 2 of translation, the translation motor 3 for driving pan carriage to translate, the string shaft type elevator unit 4 that is arranged in pan carriage and
Be arranged in string shaft type elevator unit below horizontal sunpender 5, the string shaft type elevator unit include several rope drums 41 and be used for band
The elevator motor 42 of one of rope drum rotation is moved, each rope drum is coaxially arranged, passes through jackshaft 43 between adjacent rope drum
Connection, jackshaft is coaxially arranged with rope drum, and rope drum is equipped with can be wound on the haul line 411 on rope drum, haul line one
End is connect with rope drum, and the haul line other end is connect with horizontal sunpender, and horizontal length of boom is oriented parallel to rope drum axial direction.
The main longitudinal grider includes beam body 11 and several translating rails 12 being arranged in beam body, the parallel cloth of each translating rails
It sets, pan carriage is equipped with several and one-to-one wheel carrier 21 of translating rails, in corresponding translating rails and wheel carrier: on wheel carrier
Equipped with a pair of translation idler wheel 22 with translating rails cooperation.
The translation motor is arranged in pan carriage, is equipped with gear shaft 61 below beam body, gear shaft and translation motor it is defeated
Outlet is coaxially connected, and gear shaft is rotatably assorted with all wheel carriers, translating rails be equipped with rack gear 62, gear shaft be equipped with it is several with
The one-to-one shiftable gear 63 of rack gear, shiftable gear is coaxially connected with gear shaft, and shiftable gear is engaged with corresponding rack gear.
The elevator motor is arranged in pan carriage, and elevator motor is in the ipsilateral of all rope drums, in rope drum axial direction
On, the output end of elevator motor and a nearest rope drum are coaxially connected.
The objects such as curtain, setting can be hung on sunpender, when elevator motor works, can drive each rope drum is synchronous to turn
It is dynamic, so that the release or winding of haul line are carried out, to realize the lifting of sunpender.When needing to translate entire sunpender, translation motor
Work, drives shiftable gear to rotate by gear shaft, since shiftable gear is engaged with corresponding rack gear, so can drive entire flat
Frame is moved to move horizontally.
The rope drum is equipped with the spiral rope groove for being oriented to haul line, spiral rope groove axis and the coaxial cloth of rope drum
It sets, on two neighboring rope drum: the rotation of the rotation direction of spiral rope groove and spiral rope groove on another rope drum on a rope drum
To opposite.Spiral rope groove on two neighboring rope drum is oppositely oriented, can avoid rope drum release or winding haul line when, because
Sunpender moves along its length caused by generating pulling force on length of boom direction.So as to by the structure during safeguard work
Stability.
The horizontal sunpender is equipped with several with one-to-one first connector 51 of haul line, and haul line passes through corresponding the
A connection piece is connect with horizontal sunpender, and the first connector is fixed with corresponding haul line, and horizontal sunpender is equipped with several and haul line one by one
Corresponding second connector 52, in corresponding haul line and the second connector: being equipped with pulley 521 on the second connector, hang drawing
Rope contacts around pulley and with pulley cooperation from below.It, can the company of effectively increasing by the first connector of setting and the second connector
Socket part position intensity, raising hang drawing effect, guarantee safety.
Embodiment 2: the basic structure and embodiment of the present embodiment with embodiment 1, the difference is that, extremely such as Fig. 6
It shown in Fig. 8, further include body frame and subframe, body frame and subframe are fixed with ground, and body frame is equipped with and is rotatablely connected with body frame
Directive wheel 71, subframe are equipped with the circle protection post 72 being rotatablely connected with subframe, justify protection post axis horizontal, and directive wheel axis is parallel
Mast axis is protected in circle, circle protection post is equipped with the wire drum 73 coaxially connected with circle protection post, is wound with drag-line on wire drum
74, drag-line one end is fixed with wire drum, and the drag-line other end, which is tied up, to be fixed on horizontal sunpender, drag-line from top around directive wheel and with
Directive wheel cooperation contact, directive wheel minimum point are higher than horizontal sunpender highest point, and directive wheel minimum point is higher than wire drum highest point, and circle is anti-
Sluggish plate 75 is equipped with below guard post, circle protection post is equipped with multiple protection sliding slots 721, each to protect sliding slot circumferentially equal along circle protection post
Even distribution, protection sliding slot is equipped with protection spring 722 and the protection slide bar 723 for contacting sluggish plate, in a protection sliding slot
In: protection spring and protection slide bar inner end are in protection sliding slot, and protection slide bar outer end is in outside protection sliding slot, are protected in slide bar
End connection protection spring one end, protection spring other end connection protection sliding slot slot bottom, protection slide bar are slidably matched with protection sliding slot,
Sliding bar direction is protected to protect mast axis perpendicular to circle, protection axle of spring is parallel to protection sliding bar direction, protects bullet
Spring axis intersects with circle protection mast axis.
Under normal circumstances, after horizontal sunpender rises in place, drag-line is tied up and is fixed on horizontal sunpender (drag-line one end and wire drum
Fixed, the drag-line other end, which is tied up, to be fixed on horizontal sunpender), when performance terminates, during horizontal sunpender decentralization (decline), drag-line is by one
Rise and pull, wire drum then has been at " release drag-line " state, until the decentralization of horizontal sunpender in place, the staff of ground can will be horizontal
The objects such as the curtain on sunpender are removed.
And in horizontal sunpender decentralization process, if there is the case where elevator motor self-locking failure, horizontal sunpender and horizontal sunpender
On object can quickly fall, at this point, drag-line also can be with wire drum, circle protection post quick rotation, and since revolving speed is very big, institute
Also very big with the centrifugal force for protecting slide bar to be subject to, round protection post is left apart from very big, protection slide bar outer end warp in protection slide bar outer end
When crossing above sluggish plate, can pressurize and squeeze sluggish plate, and with sluggish plate friction, to provide reduction of speed effect.And as protection is slided
Bar successively constantly contacts sluggish plate, can effectively slow down the falling speed of horizontal sunpender and the object on horizontal sunpender, thus in elevator
When the self-locking failure of motor, the objects at high speed on horizontal sunpender and horizontal sunpender is avoided to fall, on ground staff and ground
Object on object, horizontal sunpender and horizontal sunpender is protected, and loss is reduced.In addition, when horizontal sunpender is normally transferred, not due to speed
Fastly, so the centrifugal force for protecting slide bar to be subject to is small, when protection slide bar outer end is by above sluggish plate, sluggish plate will not be touched.
It should be pointed out that drag-line is tied up fixed to after on horizontal sunpender, horizontal sunpender still can with proper level, move up and down, at this time
Although drag-line may be fluffed, but not influence defencive function, once because drag-line fluffs, horizontal sunpender is quickly fallen, that
Other than initial little time, drag-line can be tightened up at once again, and round protection post is driven to rotate.
The ground is equipped with sluggish cylinder body 76, and it is living that the sluggishness for being slidingly sealed cooperation with sluggish cylinder body is equipped in sluggish cylinder body
Plug 761, slack piston glide direction is vertical, and slack piston is equipped with piston rod 762, and piston rod is connect with sluggish plate, and sluggishness is living
The cavity 76b that sluggish cylinder interior is separated into inflatable chamber 76a and is in communication with the outside is filled in, sluggish cylinder body is equipped with to be connected with inflatable chamber
Logical air inlet, gas outlet and air supply pipe 763, the inlet end of air supply pipe are connected to gas outlet, horizontal boom foot be equipped with it is several not
Air bag is protected in the increasing of inflation, is increased and is protected air bag equipped with gas tube, and all gas tubes are connected to the outlet side of the main tracheae of same root, main
The inlet end of tracheae is docked with the outlet side of air supply pipe by pipe fitting, and air inlet is equipped with breather check valve 764, on gas outlet
Equipped with outgassing nonreturn valve 765, breather check valve can be by the external world to inflatable chamber by direction, and outgassing nonreturn valve can be by direction
By inflatable chamber to air supply pipe, main tracheae is equipped with vent valve, and sluggish plate is in above sluggish cylinder body, and cavity is in inflatable chamber and late
Between stagnant plate, the ventilation spring 766 of axis vertical is equipped in inflatable chamber, ventilation lower spring end connects sluggish cylinder body, spring of taking a breath
Upper end connects slack piston.
It is previously noted, under the support failure conditions such as hound fracture, protection slide bar successively can constantly contact sluggish plate,
In the present solution, sluggish plate can discontinuity move down and (pushed, and after protecting slide bar to leave sluggish plate, taking a breath by protection slide bar
Under spring effect, sluggish plate can rise), when sluggish plate moves down every time, it can be inflated by main tracheae, gas tube to guarantor's air bag is increased
(due to the limitation of breather check valve, when inflation, outgassing nonreturn valve be it is logical, breather check valve is obstructed), sluggish plate is each
When rising, outside air can enter inflatable chamber carry out air-breathing tonifying Qi (due to the limitation of outgassing nonreturn valve, when air-breathing tonifying Qi, air inlet
Check valve be it is logical, outgassing nonreturn valve is obstructed).In this way, which horizontal sunpender is fallen (after referring to self-locking failure from more eminence
Fall), then increase and protect that air bag inflation times are more, the time is more long, increase that protect air bag elasticity, protective capability stronger, thus horizontal sunpender
After falling, ground object, personnel or ground can first touch increasing and protect air bag, obtain effective buffer protection, avoid horizontal sunpender etc.
Structural damage or personnel are protected.It is to be herein pointed out the inflation in this programme is not disposable, with
During horizontal sunpender falls (falling after referring to self-locking failure), the speed of fall of horizontal sunpender, fall total time (can be because
The factors such as quality, size and have difference) etc. factors, come what is determined, thus increase protect air bag aeration quantity it is more scientific, be not in
When such as self-locking failure, horizontal sunpender has all soon landed (liftoff close), and increasing guarantor's air bag can also largely inflate this kind of situations, can
Effectively reduce unnecessary structural wear (such as slack piston abrasion) and waste (a large amount of inflations are not necessarily at this time), and energy
It rationally guarantees safety, avoid impacting excessive and causing to damage between structure.
Claims (7)
1. a kind of mobile sunpender of more suspension centres, characterized in that including main longitudinal grider, the pan carriage that can be translated on main longitudinal grider, be used for band
The translation motor of dynamic pan carriage translation, the string shaft type elevator unit being arranged in pan carriage and setting are being gone here and there under shaft type elevator unit
The horizontal sunpender of side, the string shaft type elevator unit include several rope drums and the elevator for driving one of rope drum rotation
Motor, each rope drum is coaxially arranged, and by intermediate axis connection between adjacent rope drum, jackshaft is coaxially arranged with rope drum, volume
Rope roll is equipped with and can connect wound on the haul line on rope drum, haul line one end with rope drum, and the haul line other end is hung with horizontal
Bar connection；
It further include body frame and subframe, body frame and subframe are fixed with ground, and body frame is equipped with the directive wheel being rotatablely connected with body frame,
Subframe is equipped with the circle protection post being rotatablely connected with subframe, circle protection post axis horizontal, and directive wheel axis is parallel to round protection post
Axis, circle protection post are equipped with the wire drum coaxially connected with circle protection post, drag-line, drag-line one end and volume are wound on wire drum
Load barrel is fixed, and the drag-line other end, which is tied up, to be fixed on horizontal sunpender, and drag-line is contacted from top around directive wheel and with directive wheel cooperation,
Directive wheel minimum point is higher than horizontal sunpender highest point, and directive wheel minimum point is higher than wire drum highest point, and it is slow to be equipped with below circle protection post
Stagnant plate, circle protection post is equipped with multiple protection sliding slots, each that sliding slot is protected circumferentially to be uniformly distributed along circle protection post, protects on sliding slot and sets
There are protection spring and the protection slide bar for contacting sluggish plate, in a protection sliding slot: protection spring and protection slide bar inner end
It is in protection sliding slot, protection slide bar outer end is in outside protection sliding slot, and connection protection spring one end in protection slide bar inner end protects bullet
Spring other end connection protection sliding slot slot bottom, protection slide bar are slidably matched with protection sliding slot, protect sliding bar direction perpendicular to circle
Mast axis is protected, protection axle of spring is parallel to protection sliding bar direction, and protection axle of spring intersects with circle protection mast axis.
2. the mobile sunpenders of a kind of more suspension centres according to claim 1, characterized in that the main longitudinal grider includes beam body and several
Translating rails in beam body, each translating rails parallel arrangement are set, and pan carriage is equipped with several and translating rails and corresponds
Wheel carrier, in corresponding translating rails and wheel carrier: being equipped with a pair of translation idler wheel with translating rails cooperation on wheel carrier.
3. the mobile sunpender of a kind of more suspension centres according to claim 2, characterized in that the translation motor is arranged in pan carriage
On, it is equipped with gear shaft below beam body, the output end of gear shaft and translation motor is coaxially connected, and gear shaft and all wheel carriers rotate and match
It closes, translating rails are equipped with rack gear, and gear shaft is equipped with several and the one-to-one shiftable gear of rack gear, shiftable gear and gear
Axis is coaxially connected, and shiftable gear is engaged with corresponding rack gear.
4. the mobile sunpender of a kind of more suspension centres according to claim 1 or 2 or 3, characterized in that the elevator motor setting exists
In pan carriage, elevator motor is in the ipsilateral of all rope drums, in rope drum axial direction, the output end of elevator motor and nearest
One rope drum is coaxially connected.
5. the mobile sunpender of a kind of more suspension centres according to claim 1, characterized in that the rope drum is equipped with for being oriented to
The spiral rope groove of haul line, spiral rope groove axis and rope drum are coaxially arranged, on two neighboring rope drum: on a rope drum
The rotation direction of spiral rope groove on another rope drum spiral rope groove it is oppositely oriented.
6. the mobile sunpenders of a kind of more suspension centres according to claim 1, characterized in that the horizontal sunpender be equipped with it is several with hang
One-to-one first connector of drawstring, haul line are connect by corresponding first connector with horizontal sunpender, the first connector and
Corresponding haul line is fixed, horizontal sunpender be equipped with it is several with one-to-one second connector of haul line, corresponding haul line with
In second connector: the second connector is equipped with pulley, and haul line bypasses pulley from below and contacts with pulley cooperation.
7. the mobile sunpender of a kind of more suspension centres according to claim 1, characterized in that the ground is equipped with sluggish cylinder body,
The slack piston that cooperation is slidingly sealed with sluggish cylinder body is equipped in sluggish cylinder body, slack piston glide direction is vertical, slack piston
It is equipped with piston rod, piston rod is connect with sluggish plate, and sluggish cylinder interior is separated into inflatable chamber and connected with the external world by slack piston
Logical cavity, sluggish cylinder body are equipped with the air inlet, gas outlet and the air supply pipe that be connected tos with inflatable chamber, the inlet end of air supply pipe with out
Air bag is protected in port connection, the increasing that horizontal boom foot is equipped with several unaerateds, is increased guarantor's air bag and is equipped with gas tube, all gas tubes are equal
It is connected to the outlet side of the main tracheae of same root, the inlet end of main tracheae is docked with the outlet side of air supply pipe by pipe fitting, air inlet
Mouth is equipped with breather check valve, and gas outlet is equipped with outgassing nonreturn valve, and breather check valve can be extremely to be inflated by extraneous by direction
Chamber, outgassing nonreturn valve can be by inflatable chamber to air supply pipe by direction, and main tracheae is equipped with vent valve, and sluggish plate is in sluggish cylinder
Above body, cavity is between inflatable chamber and sluggish plate, and the ventilation spring of axis vertical is equipped in inflatable chamber, lower spring end of taking a breath
Sluggish cylinder body is connected, ventilation spring upper end connects slack piston.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710246909.9A CN107021438B (en) | 2017-04-16 | 2017-04-16 | A kind of mobile sunpender of more suspension centres |
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| CN201710246909.9A CN107021438B (en) | 2017-04-16 | 2017-04-16 | A kind of mobile sunpender of more suspension centres |
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| CN107021438A CN107021438A (en) | 2017-08-08 |
| CN107021438B true CN107021438B (en) | 2019-02-26 |
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| CN105293298A (en) * | 2015-11-18 | 2016-02-03 | 佛山市百特思舞台设备有限公司 | Elevator for stage |
| CN205653107U (en) * | 2016-05-27 | 2016-10-19 | 马鞍山双力起重设备机械制造有限公司 | Dual drive large -tonnage electric block |
| CN206767573U (en) * | 2017-04-16 | 2017-12-19 | 浙江大丰实业股份有限公司 | More suspension centres move suspension rod |
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| Publication number | Publication date |
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| CN107021438A (en) | 2017-08-08 |
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