CN206753640U - The comprehensive pneumatic temporary support device of pick - Google Patents
The comprehensive pneumatic temporary support device of pick Download PDFInfo
- Publication number
- CN206753640U CN206753640U CN201720431444.XU CN201720431444U CN206753640U CN 206753640 U CN206753640 U CN 206753640U CN 201720431444 U CN201720431444 U CN 201720431444U CN 206753640 U CN206753640 U CN 206753640U
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- cantilever
- support cylinder
- support
- ratchet
- cylinder
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Abstract
The utility model discloses a kind of comprehensive pneumatic temporary support device of pick, including supporting platform, cantilever and for hanging chassis in orbit；One end of the cantilever is hinged on the chassis, the other end connection supporting platform of the cantilever；First support cylinder is connected to supporting platform lower, and the push rod of the first support cylinder extends downwardly from sustainable ground；Cylinder barrel one end of second support cylinder is hinged on chassis, and the push rod of the second support cylinder is hinged on jib foot.The suspension device can hang the supporting job position execution supporting operation for moving to specify in orbit, and not influenceed by tunnel landform.
Description
Technical field
Roadway support equipment is the utility model is related to, particularly a kind of comprehensive pneumatic temporary support device of pick.
Background technology
At present, coal mine down-hole tunnel generally uses comprehensive mechanized driving mode.During comprehensive pick, suspension device is usual
On development machine.Such as a kind of unmanned digging and anchoring integrated machine in tunnel, its supporting system disclosed in Chinese patent CN104500086A
System is exactly the crawler belt drive by development machine, is moved on the ground in tunnel.This support system in ground running easily by
The influence of tunnel ground surface or terrain, balance is poor when support system works.In addition, during ground moving, occupy compared with
Big lane space, if also setting up other equipment in lane space or other staff be present, hamper support system
Transport.In addition this kind of support system is generally hydraulically operated, in coal mine roadway, if the fry dried food ingredients life leakage in hydraulic pressure is easy
Trigger potential safety hazard.
Excessively a kind of roadway support transport integrated device of inventor's also once invention, and applied for patent of invention, Publication No. CN
104863621A.The patent is that track is provided with the top of tunnel, and pneumatic traction devices are set on track, and pneumatic traction devices connect
Connect suspension device.Although this device is not take up ground space in transport, when suspension device works, it is necessary to by supporting
Device unloads from pneumatic traction devices, is positioned over ground, is finally successively launched into supporting umbrella, completes supporting action, exists in addition
Also to be reinstalled on draw-gear, the process for adding supporting operation, and can not actually reach real after packing up
Transport support integratedization.And its suspension device includes the linkage that more piece connecting rod is formed, these linkages include multiple
Pin joint, during the expansion of supporting, the angle rotated in some connecting rod rotary courses is all bigger, adds connecting rod and hinge
Abrasion between spindle, reduce the stability in use of suspension device.Further, since linkage is excessive, needed in design
In view of factors such as rotary freedoms, so the size of suspension device and the ratio of each part can all be limited by more, lead
Cause applicability bad.
In view of this, it is special to propose the utility model.
Utility model content
The purpose of this utility model is to provide a kind of comprehensive pneumatic temporary support device of pick, can hang and move in orbit
The supporting job position specified performs supporting operation, without de-orbiting, and is not influenceed by tunnel landform.
To achieve these goals, the comprehensive pneumatic temporary support device of pick of one kind provided by the utility model, including supporting are put down
Platform, cantilever and for hanging chassis in orbit；
One end of the cantilever is hinged on the chassis, the other end connection supporting platform of the cantilever；
First support cylinder is connected to supporting platform lower, and the push rod of the first support cylinder extends downwardly from sustainable ground；
Cylinder barrel one end of second support cylinder is hinged on chassis, and the push rod of the second support cylinder is hinged on jib foot.
Alternatively and preferably, the first support cylinder block, the cylinder of the first support cylinder are provided with below supporting platform
Cylinder top is pivotably attached on the first support cylinder block；First support cylinder be rotated up after packing up by hanging mechanism with it is described
Cantilever connects.
Alternatively and preferably, the cylinder barrel top of the first support cylinder is pivoted by ratchet and the first support cylinder block
Connect, be provided with the ratchet matched with the ratchet gear teeth on ratchet, the ratchet can limit the rotation of ratchet；On first support cylinder block
Provided with ratchet installation portion, ratchet is connected by torsion spring with ratchet installation portion；A pulling device is also associated with ratchet, is being drawn
The ratchet can depart from the ratchet after dynamic pulling device.
Alternatively and preferably, in addition to it is used for the balance adjustment mechanism for adjusting supporting platform in balance, the balance is adjusted
Section mechanism includes：
Multiple first fixed pulleys set along cantilever；
The sliding sleeve being arranged on the second support cylinder, the sliding sleeve lower section are provided with rack, and sliding sleeve can be slided on rack
It is dynamic；The second fixed pulley is provided with the top of sliding sleeve；
Pull rope, one end of the pull rope connect the supporting platform, and the other end was wound successively along the cantilever
Each first fixed pulley, until end is on the second fixed pulley；And
Extension spring, one end of the extension spring connect the supporting platform, and the other end connects the cantilever.
Alternatively and preferably, the balance adjustment mechanism also includes the expansion tightening wheel being arranged on cantilever, the pull rope
Coordinate when by expansion tightening wheel with expansion tightening wheel transmission.
Alternatively and preferably, the cantilever includes horizontal segment, lower horizontal section and lifting section, the head end of horizontal segment and institute successively
State chassis to be hinged, the end of lifting section connects the supporting platform；The push rod of the second support cylinder is cut with scissors with horizontal segment bottom
Connect.
Alternatively and preferably, the chassis includes retractor device, and the end of the retractor device is provided with cantilever connection
With the second support cylinder connecting portion, the cantilever is hinged on the cantilever connection, the cylinder barrel hinge of the second support cylinder
It is connected on outstanding second support cylinder connecting portion.
Alternatively and preferably, the retractor device includes air motor, the output end connection reducer of air motor, subtracts
The output end of fast device connects lead screw pair, and telescopic arm is connected on the feed screw nut of lead screw pair, and when air motor rotates, driving is flexible
Arm does straight reciprocating motion；The end of telescopic arm is provided with the cantilever connection and the second support cylinder connecting portion.
Alternatively and preferably, the substructure of the chassis has cavity, and the retractor device is inserted in the cavity, institute
The outside for stating telescopic arm is coordinated by the inwall of roller and the cavity；The screw mandrel of the lead screw pair is set in the telescopic arm
Portion, and screw mandrel passes through bearing and telescopic arm fit inside.
Alternatively and preferably, the quantity of the cantilever, the first support cylinder and the second support cylinder is two groups；Two groups
Between cantilever, between two group of first support cylinder and between two group of second support cylinder in arranging spaced and parallelly so that
Two groups of cantilevers, the first support cylinder and the second support cylinder form support in the both sides of supporting platform.
The comprehensive pneumatic temporary support device of pick of one kind provided by the utility model, including supporting platform, cantilever and for hanging
Chassis in orbit, whole suspension device can transport on the track above tunnel, be not take up excessive ground space, and
Can be hanging during transport, do not influenceed by tunnel landform.Cantilever and supporting platform are lifted by the first support cylinder, and passed through
Second support cylinder realizes the support between supporting platform and ground, has stably accomplished supporting action.Due to the part of use
Be Pneumatic component, without worry liquid leakage the problem of, avoid potential safety hazard.In addition, whole suspension device in transport and
All completed in orbit during performing supporting action, without being separated with track, saved supporting flow chart.
Brief description of the drawings
The main structure diagram for the pneumatic temporary support device of comprehensive pick that Fig. 1 is provided by the utility model embodiment；
Knot of the pneumatic temporary support device of comprehensive pick that Fig. 2 is provided by the utility model embodiment under different working condition
Structure schematic diagram；
Fig. 3 is Fig. 1 side structure schematic view；
The dimensional structure diagram for the pneumatic temporary support device of comprehensive pick that Fig. 4 is provided by the utility model embodiment；
The structural representation of chassis in the pneumatic temporary support device of comprehensive pick that Fig. 5 is provided by the utility model embodiment；
The stereochemical structure signal of cantilever in the pneumatic temporary support device of comprehensive pick that Fig. 6 is provided by the utility model embodiment
Figure；
The plan structure of supporting platform in the pneumatic temporary support device of comprehensive pick that Fig. 7 is provided by the utility model embodiment
Schematic diagram；
Fig. 8 is Fig. 7 side structure schematic view；
Fig. 9 is the partial enlargement structural representation of ratchet portions；
The pneumatic monorail that Figure 10 is provided by the utility model embodiment transports, the structure of comprehensive pick gib all-in-one
Schematic diagram；
In figure：
1- chassis；101- cantilever bearings；102- second supports cylinder block；103- bases；104- traction seats；1041- is hung
Roller；105- telescopic arms；106- leading screws；107- feed screw nuts；108- air motors；109- decelerators；110- cavitys；111- is rolled
Wheel；112- bearings；2- cantilevers；201- horizontal segments；202- lower horizontal sections；203- lifting sections；204- cylinder push-rod bearings；205- platforms
Support base；3- supporting platforms；301- protecting wire nets are linked up with；302- screws；303- magnet；4- first supports cylinder；5- second supports gas
Cylinder；6- first supports cylinder block；601- ratchet installation portions；7- hanging mechanisms；701- is linked up with；702- hangs steel wire rope；703-
One fixed pulley；8- ratchets；The 801- flank of tooth；9- ratchets；901- is raised；10- pulls steel wire rope；11- steel pipes；12- assembly pulleys；
The fixed pulleys of 1201- second；The fixed pulleys of 1202- the 3rd；13- pull ropes；14- extension springs；15- sliding sleeves；16- racks；17- expansion tightening wheels；
18- coasters；The pneumatic trailers of 19-；20- dedusting fans；21- airducts；22- torsion springs；23- first positions；The 24- second places；25-
Three positions；The positions of 26- the 4th；27- tracks.
Embodiment
In order that those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.
As Figure 1-10 shows, the comprehensive pneumatic temporary support device of pick, including chassis 1, cantilever 2 and supporting platform 3.Cantilever 2 one
End connection chassis 1, other end connection supporting platform 3.During work, the chassis 1 assembling is connected on a track 27 for being located at tunnel top
On, drive the comprehensive pneumatic temporary support device of pick to move by running gear.The comprehensive pneumatic temporary support device of pick also includes the first support
Cylinder 4, the first support cylinder 4 is connected to the lower end of supporting platform 3, as the support between supporting platform 3 and ground.In chassis 1
The second support cylinder 5 is also equipped between cantilever 2, to realize the support to cantilever 2.One end of cantilever 2 pivots with chassis 1 to be connected
Connect, cylinder barrel one end of the second support cylinder 5 is be hinged with chassis 1, and push rod one end is hinged on the cylinder block of the lower section of cantilever 2.When
During the push rod work of two support cylinders 5, cantilever 2 and the supporting platform 3 on cantilever 2 can be lifted.
It should be noted that cantilever 2, first supports cylinder 4 and second to support the quantity of cylinder 5 can be according to specific works
The factors such as the size of supporting platform 3 in environment, the load-bearing requirements of tunnel top surface to be supported are adjusted flexibly.Such as in this implementation
In example, the support support cylinder 5 of cylinder 4 and second of cantilever 2, first is that each part in two groups, every group is in spaced and parallel row
Row.I.e. if carrying out the division of position with the left and right sides of supporting platform 3, one of which cantilever 2 is located at the left side of supporting platform,
Another group of cantilever 2 is located at the right side of supporting platform.The bottom of cantilever 2 in left side supports cylinder 5 to support by one group second, is put down in supporting
The left side of platform 3 lower section sets one of which first to support cylinder 4.The bottom of cantilever 2 on right side supports 5, cylinder by another group second
Support, another group first support cylinder 4 is set below the supporting platform 3 on right side.
Supporting platform 3 is the part directly with tunnel top contact.In one embodiment, supporting platform 3 is by multiple
The net-like frame structure that rectangular steel tube is spliced into.Grid framework has larger support scope, and lighter in weight, reduces pair
Support the requirement of cylinder supports power.For left and right two parts of the frame structure in same level, center section is recessed.In framework
The bottom interval of structure is provided with two group of first support cylinder block 6, for connecting the first support cylinder 4.On the side of frame structure
Edge is provided with protecting wire net hook 301, convenient to install protecting wire net (not shown).It is solid also by screw 302 on the surface of frame structure
Dingan County is equipped with magnet 303, to adsorb protecting wire net, prevents protecting wire net from coming off.The end of cantilever 2 is additionally provided with platform seat 205, for
Supporting platform 3 connects.
As it was previously stated, the quantity of the first support cylinder 4 is two groups in the present embodiment, the bottom of supporting platform 3 is connected to
First support cylinder block 6 on.In the operating condition, the first support cylinder 4 is vertically disposed that first support cylinder 4 pushes away
Bar contacts after stretching out with the ground in tunnel, realizes the support to supporting platform.In a non-operative state, as whole supporting mechanism exists
During moving on rails, if the first support cylinder 4 remains in that vertical state, easily by the obstacle of two side positions in tunnel
The influence of thing.To solve this technical problem, in certain embodiments, cylinder barrel upper end and the first support of the first support cylinder 4
Cylinder block 6 is pivotally connected, and the first support cylinder 4 bottom can be rotated up packing up, and be connected to by hanging mechanism 7 on cantilever 2,
Such first support can of cylinder 4 as far as possible from the ground, and smaller take ground space, is more preferably kept away in transportation
Exempt from the influence of barrier in lane space.The selection of hanging mechanism 7 can have a variety of, to use in the present embodiment hanging mechanisms
7 include being arranged on the hook 701 of the cylinder barrel bottom of the first support cylinder 4, are connected with a hanging steel wire rope 702 thereon, hang steel
The other end of cord 702 around extending downwardly, ties up to hook 701 or cylinder barrel its from first fixed pulley 703 on cantilever
On his position.(hanging mechanism 7 is not shown for simplification view in Fig. 1, marks in fig. 2) hangs in some other embodiment
Hook 701 other can also have the part of hanging linkage function to replace by suspension ring etc., and hanging steel wire rope 702 can also be by chain etc.
Part with draw-in and draw-off function replaces.
First support cylinder 4 with first support cylinder block 6 be pivotally connected mode have it is a variety of, in the present embodiment, in order to
Being accurately positioned for the position of the first support cylinder 4 is realized, ensures stationarity when the first support cylinder 4 performs support part and packs up
Reliability during action, as shown in figure 9, the cylinder barrel of first support cylinder 4 is arranged on into the first support cylinder block 6 by ratchet 8
On.Peace is pricked and fills a matched ratchet 9 on ratchet 8, and one end of ratchet 9 has a projection 901, the projection 901 and
The flank of tooth 801 of ratchet 8 coordinates, and ensures in the state of projection 901 is embedded in the flank of tooth 801 of ratchet, and ratchet 8 will not occur to turn
It is dynamic.Ratchet 9 is also arranged on the first support cylinder block 6 by torsion spring 22, is extended on the first support cylinder block 6
Form a ratchet installation portion 601.The other end of ratchet 9 is provided with the part for applying pulling force such as steel wire rope, this
What is used in embodiment is to pull steel wire rope 10.After dropping the steel wire rope, ratchet 9 leaves ratchet 8, and the first support cylinder 4 can
To realize the flexible rotating around the first support cylinder block 6.When ratchet 8 is under rotary state, can by the first support cylinder 4 to
Upper rotation is packed up, and is such as retracted into first position 23, and fixed with above-mentioned hanging mechanism 7.After reaching specified location, ratchet 9 is controlled
Projection 901 lock ratchet 8, it is possible to complete the first support cylinder 4 in a non-operative state pack up positioning.When needing to transfer
During the first support cylinder 4, as long as performing reverse action, i.e., pull again and pull steel wire rope 10, release in hanging mechanism 7
The connection of each part, the first support cylinder 4 is gradually put down, after the first support cylinder 4 turns to suitable Support Position, then
Secondary locking ratchet 8, then complete the expansion positioning in the operating condition in the first support cylinder 4.In fig. 2, the first support cylinder 4
When transferring work, in vertical state, positioned at the second place 24, its push rod end portion is located at the 3rd position 25, when push rod stretches out and ground
After the contact of face, positioned at the 4th position 26 (aforementioned four position is shown in Fig. 2 and Figure 10).
Because cantilever 2 itself is generally longer, and the end of cantilever 2 is connected with supporting platform 3, first and supports cylinder 4 etc. more
The individual part with constant weight.In order to maintain the whole machine balancing of cantilever 2 and supporting platform 3.In the lower section of cantilever 2 with second
Cylinder 5 is supported to realize support and the regulation of balance.In one embodiment, cantilever 2 includes two, connects supporting platform respectively
3 two side portions.Every cantilever 2 is roughly divided into three sections on the whole, and the direction from chassis to supporting platform is followed successively by horizontal segment
201st, lower horizontal section 202 and lifting section 203.In the state of being supported, the height of horizontal segment 201 is slightly above the bottom of chassis 1
Face terrace part.Cantilever bearing 101 is provided with the platform of bottom surface, one end of horizontal segment 201 passes through axle sleeve, bolt, spring washer
It is pivotally connected with nut and cantilever bearing 101.The second cylinder saddle 102 for installing the second support cylinder 5 is located at the tail end of chassis 1
Bottom, the i.e. lower section positioned at cantilever bearing 101.The cylinder barrel end of second support cylinder 5 is connected on second cylinder block 102, the
Push rod one end of two support cylinders is hinged on the cylinder push-rod bearing 204 of the lower section of cantilever 2.Lower horizontal section 202 from horizontal segment 201 to
Lower extension, then upwardly extend and to form lifting section 203, the end supporting platform 3 of lifting section 203.Lower horizontal section 202 and lifting section 203
Presence so that when being supported, cantilever 2 with respect to the horizontal plane produces an inclination angle, and such cantilever 2 is easier to be arrived
The balance of supporting platform 3 is adjusted from the skewed horizontal load power of the second support cylinder 5.Further, it is also possible to it is transversely mounted on cantilever 2
One steel pipe 11, steel pipe 11 stretch out the distance of equal length from the both sides of cantilever 2, play a part of improving balance.
Supporting platform 3 is generally more roomy in order to form firm support to tunnel top, has to balance necessarily
Influence.In order to solve this problem, in some preferred embodiments, suspension device also configures a set of adjustment supporting platform in balance
The mechanism of property.The mechanism specifically includes assembly pulley 12, pull rope 13 and the three parts of extension spring 14.In the present embodiment, due to cantilever 2
Including the cantilever for the two sections of parallel intervals arrangement be arrangeding in parallel, therefore assembly pulley 12, pull rope 13 and extension spring 14 are respectively provided with two groups,
The cantilever 2 with both sides coordinates respectively.Each assembly pulley 12 includes multiple second fixed pulleys 1201 being distributed along the side of cantilever 2
And the 3rd fixed pulley 1202 on the second support cylinder 5.One end of pull rope 13 is connected to the lower section of supporting platform 3,
The other end equally extends along cantilever 2, and pull rope 13 often passes through second fixed pulley 1201, is wound thereon, finally
After extending to the 3rd fixed pulley 1202 on the second support cylinder 5, winding is fixed in the above.(the 3rd fixed pulley 1202 is in Fig. 1
It is not shown for simplification view, is marked in Fig. 2) sliding sleeve 15 and rack 16, the bottom of sliding sleeve 15 are installed on the second support cylinder 5
Coordinate with rack 16, the 3rd fixed pulley 1202 is fixed on sliding sleeve.When the push rod of the second support cylinder 5 stretches out, the edge of sliding sleeve 15
Rack 16 to move, so that the folding and unfolding between each fixed pulley of pull rope 13.In order to adjust balance, with extension spring 14 by supporting
Platform 3 is connected with cantilever 2, and pull rope 13 is during folding and unfolding, and extension spring 14 is also with change length so that supporting platform 3 is overall
It is upper to keep balance.The tail end of extension spring 14 and pull rope 13 is connected to the rear portion and front portion of supporting platform 3 so that the He of extension spring 14
Pull rope 13 is at an angle.For proof strength, pull rope 13 can select steel wire rope etc. to have certain elastic high intensity
Material rope body.In the present embodiment, every group of second fixed pulley 1201 includes 4, along cantilever 2 in interval generally in uniform point
Cloth.In addition, inventor has found, because the long-term work of pull rope 13 may cause pull rope because of fatigue damage part elasticity
13 and the second combination between fixed pulley 1202 become loose, to solve this problem, expansion tightening wheel is additionally provided with cantilever 2
17, pull rope 13 coordinates with the expansion tightening wheel 17 transmission.When the tension force of pull rope 13 declines, expansion tightening wheel 17 can automatically adjust tensioning
Degree, ensure the normal work of pull rope 13.
Chassis 1 is the foundation of suspension device, is on the one hand used to install cantilever 2, each support cylinder and supporting platform 3 etc.
Mechanism, is on the other hand used for and slide rail coordinates, whole to be driven under the driving of pneumatic equipment (such as trailer of air motor driving)
Individual device is along slide rail in track motion.Chassis 1 includes base 103 and the traction seat 104 being arranged on base 103, traction seat
Front and rear two groups of hanging rollers 1041 are installed, every group of hanging roller 1041 is made up of two rollers being oppositely arranged, be used on 104
Hanging is in the both sides of I-shaped track.Base 1 has telescopic arm 105, and cantilever bearing 101 is provided with one end of telescopic arm 105,
The inside of telescopic arm 105 is provided with leading screw 106, and leading screw 106 is coordinated with telescopic arm 105 by the screw thread of feed screw nut 107, leading screw 106
One end connection air motor 108 and decelerator 109 away from cantilever bearing 101, after the startup of air motor 108, can drive
Telescopic arm 105 does stretching motion, and then controls the outreach of cantilever 2.When supporting platform 3 works, if necessary to adjustment branch
Protect the front and back position of platform 3, it is not necessary to move integrally whole suspension device, it is only necessary to control telescopic arm 105 just to adjust.Consider
Tunnel internal environment is complicated, easily produces rubble and coal ash, and the suspension device that the utility model embodiment provides is hanging
The transport on tunnel top, if the executing agency of retractor device is chronically exposed to outside, it is easier to by top rubble and coal
The influence of ash, cause executing agency that abrasion and damage occurs.Therefore, constructing cavity 110 in the left and right sides of base 103, will stretch
Contracting arm 105 is placed in the cavity 110, and the outside of telescopic arm 105 is coordinated by the inwall of roller 111 and cavity 110, roller
111 can both play a supporting role to telescopic arm 105, while the force of rolling friction of roller 111 and telescopic arm 105 is smaller, reduce
Telescopic arm 105 reciprocating resistance, the execution for work of stretching are more smooth.In addition, the improvement as another aspect, in silk
Bearing 112, such as deep groove ball bearing are installed on thick stick 106, by the fit inside of bearing 112 and telescopic arm 105, so when for
When extending the distance of stretch out and draw back of telescopic arm 105 as far as possible and lengthening leading screw 106, leading screw 106 remains to keep more smoothly to rotate,
Skew without radial direction occurs, it ensure that the stability reciprocating over long distances of telescopic arm 105.
The pneumatic temporary support device of comprehensive pick of the present embodiment when in use, on the track above tunnel, with other
Part forms the digging laneway movable type front-probe support assistant conveyance all-in-one of the comprehensive pneumatic temporary support device of pick.In the present embodiment
In, the all-in-one is as shown in Figure 10, and the chassis 1 of suspension device connects pneumatic trailer 19 by more piece coaster 18 or other are existing
It can be used in the device pneumatically drawn, pneumatic trailer 19 drives whole suspension device to be moved on track 27, to reach what is specified
Support work position.In addition, dedusting fan 20 and airduct 21 are also hung with below coaster 18.Airduct 21 extends to chassis
1 top, for absorbing the dust in tunnel so that the cleaning of suspension device working environment.
The comprehensive pneumatic temporary support device of pick provided by the utility model is described in detail above.It is used herein
Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help
Understand core concept of the present utility model.It should be pointed out that for those skilled in the art, this is not being departed from
On the premise of utility model principle, some improvement and modification can also be carried out to the utility model, these are improved and modification also falls
Enter in the protection domain of the utility model claims.
Claims (10)
1. the comprehensive pneumatic temporary support device of pick, it is characterised in that including supporting platform (3), cantilever (2) and for hanging in track
On chassis (1)；
One end of the cantilever (2) is hinged on the chassis (1), the other end connection supporting platform (3) of the cantilever (2)；
First support cylinder (4) is connected to supporting platform (3) bottom, and the push rod of the first support cylinder (4) extends downwardly from can support
Ground；
Cylinder barrel one end of second support cylinder (5) is hinged on chassis (1), and the push rod of the second support cylinder (5) is hinged on cantilever
(2) bottom.
2. the comprehensive pneumatic temporary support device of pick according to claim 1, it is characterised in that set in the lower section of supporting platform
There is the first support cylinder block (6), the cylinder barrel top of the first support cylinder (4) is pivotably attached on the first support cylinder block (6)；The
One support cylinder (4) is rotated up after packing up being connected with the cantilever (2) by hanging mechanism (7).
3. the comprehensive pneumatic temporary support device of pick according to claim 2, it is characterised in that the first support cylinder (4)
Cylinder barrel top by ratchet (8) and first support cylinder block (6) be pivotally connected, be provided with ratchet (8) and the ratchet gear teeth
The ratchet (9) matched somebody with somebody, the ratchet (9) can limit the rotation of ratchet (8)；First support cylinder block (6) is provided with ratchet installation portion
(601), ratchet (6) is connected by torsion spring (22) with ratchet installation portion (601)；One is also associated with ratchet (9) and pulls dress
Put, the ratchet (9) can depart from the ratchet (8) after pulling device is pulled.
4. the comprehensive pneumatic temporary support device of pick according to claim 1, it is characterised in that also include putting down for adjusting supporting
The balance adjustment mechanism of platform balance, the balance adjustment mechanism include：
Multiple first fixed pulleys (703) set along cantilever (2)；
The sliding sleeve (15) being arranged on the second support cylinder (102), sliding sleeve (15) lower section are provided with rack (16), sliding sleeve
(15) can be slided on rack (16)；The second fixed pulley (1201) is provided with the top of sliding sleeve (15)；
Pull rope (13), one end of the pull rope (13) connect the supporting platform (3), and the other end is along the cantilever (2)
Each first fixed pulley (703) was wound successively, until end is on the second fixed pulley (1201)；And
Extension spring (14), one end of the extension spring (14) connect the supporting platform (3), and the other end connects the cantilever (2).
5. the comprehensive pneumatic temporary support device of pick according to claim 4, it is characterised in that the balance adjustment mechanism also wraps
The expansion tightening wheel (17) being arranged on cantilever (2) is included, the pull rope (13) passes when by expansion tightening wheel (17) with expansion tightening wheel (17)
It is dynamic to coordinate.
6. the comprehensive pneumatic temporary support device of pick according to claim 1, it is characterised in that the cantilever (2) includes successively
Horizontal segment (201), lower horizontal section (202) and lifting section (203), the head end and the chassis (1) of horizontal segment (201) are be hinged, lifting
The end of section (203) connects the supporting platform (3)；The push rod of the second support cylinder (102) and horizontal segment (201) bottom
It is be hinged.
7. the comprehensive pneumatic temporary support device of pick according to claim 1, it is characterised in that the chassis (1) includes flexible
Device, the end of the retractor device are provided with cantilever connection and the second support cylinder connecting portion, and the cantilever (2) is hinged on institute
State on cantilever connection, the cylinder barrel of the second support cylinder (102) is hinged on outstanding second support cylinder connecting portion.
8. the comprehensive pneumatic temporary support device of pick according to claim 7, it is characterised in that the retractor device includes pneumatic
Motor, the output end connection reducer of air motor, the output end connection lead screw pair of decelerator, the feed screw nut of lead screw pair
(107) telescopic arm (105) is connected on, when air motor rotates, driving telescopic arm (105) does straight reciprocating motion；Telescopic arm
(105) end is provided with the cantilever connection and the second support cylinder connecting portion.
9. the comprehensive pneumatic temporary support device of pick according to claim 8, it is characterised in that the bottom structure of the chassis (1)
Cavity (110) is made, the retractor device is inserted in the cavity (110), passes through roller on the outside of the telescopic arm (105)
(111) inwall with the cavity (110) coordinates；The screw mandrel of the lead screw pair is set in the telescopic arm (105) inside, and silk
Bar passes through bearing (112) and telescopic arm (105) fit inside.
10. according to any described pneumatic temporary support devices of comprehensive pick of claim 1-9, it is characterised in that the cantilever (2),
The quantity of first support cylinder (4) and the second support cylinder (102) is two groups；Between two groups of cantilevers (2), two group first support
In arranging spaced and parallelly between cylinder (4) and between two group of second support cylinder (102) so that two groups of cantilevers (2), the
One support cylinder (4) and the second support cylinder (102) form support in the both sides of supporting platform (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431444.XU CN206753640U (en) | 2017-04-24 | 2017-04-24 | The comprehensive pneumatic temporary support device of pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431444.XU CN206753640U (en) | 2017-04-24 | 2017-04-24 | The comprehensive pneumatic temporary support device of pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206753640U true CN206753640U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720431444.XU Withdrawn - After Issue CN206753640U (en) | 2017-04-24 | 2017-04-24 | The comprehensive pneumatic temporary support device of pick |
Country Status (1)
| Country | Link |
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| CN (1) | CN206753640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837398A (en) * | 2017-04-24 | 2017-06-13 | 北京双泰气动设备有限公司 | The comprehensive pneumatic temporary support device of pick |
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2017
- 2017-04-24 CN CN201720431444.XU patent/CN206753640U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837398A (en) * | 2017-04-24 | 2017-06-13 | 北京双泰气动设备有限公司 | The comprehensive pneumatic temporary support device of pick |
| CN106837398B (en) * | 2017-04-24 | 2019-10-25 | 北京双泰气动设备有限公司 | The comprehensive pneumatic temporary support device of pick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171215 Effective date of abandoning: 20191025 |
|
| AV01 | Patent right actively abandoned |