CN109577867A - Cantilever crane and drilling machine for drilling machine - Google Patents
Cantilever crane and drilling machine for drilling machine Download PDFInfo
- Publication number
- CN109577867A CN109577867A CN201910023488.2A CN201910023488A CN109577867A CN 109577867 A CN109577867 A CN 109577867A CN 201910023488 A CN201910023488 A CN 201910023488A CN 109577867 A CN109577867 A CN 109577867A
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- China
- Prior art keywords
- deflection
- principal arm
- balladeur train
- cylinder barrel
- rotary support
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
Abstract
The present invention relates to the cantilever cranes and drilling machine for drilling machine.The cantilever crane includes: forward beam, is connected with drill bit on its front end；Balladeur train, it is supported below forward beam, the balladeur train cylinder barrel that balladeur train includes the direction extended along forward beam and extends, is in sliding fit with forward beam, and the balladeur train piston rod extended along the direction that forward beam is extended, one end of balladeur train piston rod is inserted into balladeur train cylinder barrel and is in sliding fit with balladeur train cylinder barrel, and the other end of balladeur train piston rod is extended to except balladeur train cylinder barrel and is fixedly linked with forward beam；Principal arm, principal arm is arranged under balladeur train and support carriages and forward beam；And deflection mechanism, it is arranged between the balladeur train cylinder barrel of balladeur train and principal arm, and be configured to the deflection of drive carriage in a lateral direction relative to principal arm generation.This cantilever crane makes the adaptability of drilling machine higher.
Description
Technical field
The present invention relates to drilling rig technique fields, more particularly to a kind of cantilever crane for drilling machine.The invention further relates to one kind
Drilling machine comprising above-mentioned cantilever crane.
Background technique
Drilling machine is the device for carrying out drilling operation.It is bored in geological drilling, the operation of pipe canopy, anchoring operation and City Ground Foundation
It requires to be applied to drilling machine in the operations such as hole.
However, there is not yet a kind of drilling machine at present is suitable for above-mentioned several work process.That is, carrying out every work
When industry, it is necessary to using exclusively for its come drilling direction designing, meeting the operation, drilling posture the features such as drilling machine come into
Row drilling.Obviously, this is very Expenses Cost and inconvenience.It especially, must needle for the manufacturer for producing drilling machine
The particular demands of each client are designed and manufacture drilling machine.This makes the production very labor intensive of drilling machine, with higher
Cost, and need to occupy biggish place.
Therefore, it is intended that there is a kind of higher drilling machine of adaptability, to avoid that spy must be used for different drilling operations
Fixed, different drilling machine carries out.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of cantilever crane for drilling machine, this cantilever crane makes the adaptability of drilling machine
It is higher.
According to the first aspect of the invention, a kind of cantilever crane for drilling machine is proposed comprising: forward beam is pushed away described
Drill bit is connected on into the front end of beam；Balladeur train, for the carriage supports below the forward beam, the balladeur train includes along described
Direction that forward beam is extended and the balladeur train cylinder barrel for extending, being in sliding fit with the forward beam, and along the propulsion
The balladeur train piston rod that the direction that beam is extended is extended, one end of the balladeur train piston rod are inserted into the balladeur train cylinder barrel simultaneously
Be in sliding fit with the balladeur train cylinder barrel, the other end of the balladeur train piston rod extend to except the balladeur train cylinder barrel and with it is described
Forward beam is fixedly linked；Principal arm, the principal arm are arranged under the balladeur train and support the balladeur train and the forward beam；And
Deflection mechanism, the deflection mechanism are arranged between the balladeur train cylinder barrel of the balladeur train and the principal arm, and are configured to driving institute
State the deflection of balladeur train in a lateral direction relative to principal arm generation.
The forward beam for being equipped with drill bit of the cantilever crane can carry out feed and retrogressing in a lateral direction relative to principal arm,
And deflection in a lateral direction.This manner is more flexible, and so that the drilling machine using the cantilever crane adaptation
Property it is higher, a variety of different homework types can be suitable for, and can be suitably used for many different specific handling situations.
In one embodiment, the deflection mechanism includes: rotary support, the rotary support be connected to the principal arm with
Between the balladeur train cylinder barrel, it is configured with the rotary pin shaft extended in a longitudinal direction below the balladeur train cylinder barrel, in the rotation
Turn to be configured with the turnbarrel extended in a longitudinal direction on support, the rotary pin shaft be inserted into the turnbarrel so that
Obtaining the balladeur train cylinder barrel can rotate in a lateral direction relative to the rotary support.
In one embodiment, the rotary support further includes the side that the turnbarrel is configured in along first direction
Deflect interconnecting piece, the deflection mechanism further include: deflection driver, the deflection driver include the fixation in the forward beam
Position and the hinged deflection cylinder barrel of the forward beam, the deflection cylinder barrel extend in a lateral direction, and the deflection driver is also
Including the deflection piston bar extended in a lateral direction, one end of the deflection piston bar be inserted into the deflection cylinder barrel and with
The deflection cylinder barrel is in sliding fit with, and the other end of the deflection piston bar reaches except the deflection cylinder barrel, and with it is described
Deflection interconnecting piece is hinged.
In one embodiment, the deflection interconnecting piece include on the second direction perpendicular to the first direction each other
First deflection interconnecting piece and the second deflection interconnecting piece spaced apart, the deflection piston bar is by deflecting interconnecting piece or institute with first
The second deflection interconnecting piece is stated selectively to be connected and make the balladeur train cylinder barrel and the forward beam that there is different ranges of deflection.
In one embodiment, the rotary support includes being symmetrically disposed in the turnbarrel two in a first direction
Two first deflection interconnecting pieces of side, and one second deflection of the side of the turnbarrel is set in a first direction
Interconnecting piece, the second deflection interconnecting piece are aligned with the turnbarrel in a second direction, and the second deflection interconnecting piece exists
Closer to the deflection cylinder barrel in second direction, the deflection cylinder barrel is relative to the balladeur train cylinder barrel closer to the propulsion
The front end of beam.
In one embodiment, the rotary support, which is configured with, extends out along first direction relative to the turnbarrel
Connection wing plate, for the deflection connection part structure on the connection wing plate, the connection wing plate has triangle or parallel four
The profile of side shape.
In one embodiment, the rotary support further includes being arranged along a first direction in the turnbarrel two sides
Two support plates, described two support plates extend along second direction, and the principal arm and described two support plates are hinged, in institute
It states to be provided between two support plates and extend in a first direction to connect the stiffening plate of described two support plates, the stiffening plate
It extends to one end in a second direction to be connected with the turnbarrel, the other end is free end, at the middle part of the free end
It is configured with groove part.
In one embodiment, the cantilever crane further includes the principal arm pitching oil cylinder being arranged under the principal arm, the master
Arm pitching oil cylinder includes principal arm pitching cylinder barrel and principal arm pitching piston rod, between one end and the principal arm of the principal arm pitching cylinder barrel
It is separatedly hinged on the position fixed relative to the principal arm, the other end of the principal arm pitching cylinder barrel is by the principal arm pitching
One end of piston rod is inserted into, and is in sliding fit with one end of the principal arm pitching piston rod, the principal arm pitching piston rod
The other end is hinged at the middle part of the principal arm and the principal arm.
In one embodiment, the cantilever crane further includes the rotary support pitching oil cylinder being arranged on the principal arm, institute
Stating rotary support pitching oil cylinder includes rotary support pitching cylinder barrel and rotary support pitching piston rod, the rotary support pitching cylinder
One end of cylinder is hinged at the middle part of the principal arm and the principal arm, and the other end of the rotary support pitching cylinder barrel is by the rotation
One end of support pitching piston rod is inserted into, and is in sliding fit with one end of the rotary support pitching piston rod, the rotation
The other end of support pitching piston rod and one end of connecting rod are hinged, and the other end of the connecting rod and the rotary support are hinged, and
And the other end hinged with the rotary support of the connecting rod be located at the principal arm and the hinged position of the rotary support it
On, the cantilever crane further includes limitation bar, and one end of the limitation bar is hinged on the rotary support pitching piston rod and the company
The other end of the connected position of bar, the limitation bar is hinged on the principal arm, the limitation bar be configured to make the connecting rod with
The rotary support pitching piston rod keeps having upward angle.
According to the second aspect of the invention, a kind of drilling machine is proposed, the drilling machine includes above-mentioned cantilever crane, and described in carrying
The car body of cantilever crane.
It can be relative to compared with the prior art, the advantages of the present invention are as follows: the forward beam for being equipped with drill bit of the cantilever crane
Principal arm carries out feed and retrogressing in a lateral direction, and deflection in a lateral direction.This manner is more flexible,
And so that higher using the adaptability of the drilling machine of the cantilever crane, a variety of different homework types can be suitable for, and can be applicable in
In many different specific handling situations.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:
Fig. 1 shows the schematic diagram of the cantilever crane for drilling machine of an embodiment according to the present invention；
Fig. 2 and Fig. 3 shows one embodiment of the runing rest of the cantilever crane in Fig. 1；
Fig. 4 and Fig. 5 respectively illustrates the schematic diagram that cantilever crane is under various configuration；
Fig. 6 shows the schematic diagram of the drilling machine of an embodiment according to the present invention.
In the accompanying drawings, identical component uses identical appended drawing reference.Attached drawing is not according to actual ratio.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 schematically shows one embodiment of cantilever crane 100 according to the present invention.Cantilever crane 100 includes forward beam
110, the front end 111 of the forward beam is for installing drill bit (not shown).
Balladeur train is installed in the lower section of forward beam 110, which includes balladeur train cylinder barrel 121 and balladeur train piston rod 122.Balladeur train
Cylinder barrel 121 extends substantially along direction identical with the extending direction of forward beam 110, close to the front end of forward beam 110 111
One end support forward beam 110 and be in sliding fit with forward beam 110, one end of the front end 111 far from forward beam 110 (that is,
The other end) one end of balladeur train piston rod 122 is accommodated, and be in sliding fit with one end of the balladeur train piston rod 122.The balladeur train piston
The other end of bar 122 extends backwards to the front end of forward beam 110 111 and is connected to (example on a fixed position of forward beam 110
Such as, it can be fixedly connected, can also be hinged).By this set, stretch in balladeur train piston rod 122 relative to balladeur train cylinder barrel 121
When, it can be achieved that forward beam advances and bounces back with drill bit.
In addition, being provided with rotary support 130 below balladeur train.The rotary support is shown in greater detail in Fig. 2 and Fig. 3
130 structure.Rotary support 130 includes turnbarrel 131.Rotary pin shaft 123 is fixedly installed in the lower section of balladeur train cylinder barrel 121
(referring to fig. 4 and Fig. 5).Turnbarrel 131 and rotary pin shaft 123 extend each along longitudinal direction, and rotary pin shaft 123 is inserted into
Into turnbarrel 131.Rotary pin shaft 123 is allowed to be rotatably assorted with turnbarrel 131 as a result,.Cantilever crane 100 includes and drilling machine
The connected principal arm 150 of 200 car body 210.The principal arm 150 and rotary support 130 connect into do not allow rotary support 130 relative to
Principal arm 150 rotates in a lateral direction.As a result, when rotary pin shaft 123 is rotated relative to turnbarrel 131,110 He of forward beam
Drill bit can be rotated in a lateral direction relative to principal arm 150.
In order to drive rotary pin shaft 123 to be rotated relative to turnbarrel 131, cantilever crane 100 includes deflection driver,
The deflection driver includes the deflection cylinder barrel 141 being arranged under forward beam 110.One end of cylinder barrel 141 is deflected in forward beam 110
A fixed position be connected with forward beam, the other end relative to this one end and backwards to forward beam 110 front end 111 extend.
Deflection driver further includes deflection piston bar 142, and one end is inserted into deflection cylinder barrel 141, and is slided with the deflection cylinder barrel 141
Formula cooperation, the other end extend to except deflection cylinder barrel 141.There is deflection in the lateral structure along first direction of turnbarrel 131
Interconnecting piece.The other end of above-mentioned deflection piston bar 142 and deflection interconnecting piece are hinged.In deflection piston bar 142 relative to deflection cylinder
Cylinder 141 and when carrying out telescopic moving, mutually pushed between the deflection interconnecting piece of deflection piston bar 142 and rotary support 130, and by
This to deflect cylinder barrel 141 and forward beam 110 deflects relative to rotary support 130.
In Fig. 2 and embodiment shown in Fig. 3, deflection interconnecting piece is formed in the following manner.In turnbarrel 131
Extend outwardly along the side of first direction and is provided with the connection wing plate being separated from each other in a longitudinal direction.In the implementation of diagram
In example, two connection wing plates 133 parallel to each other are provided in the side of turnbarrel 131, in the other side of turnbarrel 131
It is provided with two connection wing plates 132 parallel to each other.Two holes that alignment is provided on wing plate 133 are connected at two, at two
It can be inserted into corresponding pin shaft between hole.Thus the first deflection interconnecting piece 134A is formed.The pin of first deflection interconnecting piece 134A
Axis can be hinged with deflection piston bar 142.Two deflection interconnecting pieces on connection wing plate 132 are set (that is, the first deflection interconnecting piece
The deflection of 134B and second interconnecting piece 134C) it can be formed by roughly the same mode.
Herein, the second deflection interconnecting piece 134C is aligned in a lateral direction with turnbarrel 131.Herein, it shows as
Their center alignment.First deflection interconnecting piece 134A and 134B deflects the interval interconnecting piece 134C with second in a second direction
It opens, and relative to the second deflection interconnecting piece 134C farther away from the front end of forward beam 110 111.
Deflection piston bar 142 optionally deflects interconnecting piece 134C with first deflection interconnecting piece 134A, 134B and second
It is connected.As a result, the rotatable range of forward beam 110 changes.
Fig. 4 shows the situation that deflection piston bar 142 is connected with the second deflection interconnecting piece 134C.In this case, such as
Shown in Fig. 4, forward beam 110 is rotated clockwise from original position (that is, its be aligned with principal arm 150 position) and is rotated counterclockwise
Range is substantially the same, such as can achieve 45 °.That is, using the original position of forward beam 110 as zero point, the forward beam
Substantially -45 ° of 110 slewing area (counterclockwise) to+45 ° (clockwise).
Fig. 5 shows the situation that deflection piston bar 142 is connected with the first deflection interconnecting piece 134B.In this case, such as
Shown in Fig. 5, forward beam 110 can rotate counterclockwise biggish range from original position, but be able to rotate at most along clockwise direction
Very small range.This is because rotation can have interference clockwise.Thus, for example, being pushed away using original position as zero point
Into substantially -90 ° of slewing area (counterclockwise) to+15 ° (clockwise) of beam 110.
Correspondingly, if deflection piston bar 142 is connected to the first deflection interconnecting piece 134A, then the slewing area of forward beam is big
It is -15 ° (counterclockwise) to+90 ° (clockwise) in cause.
Certainly, actual slewing area can change according to specific design.However, from principle, first
Deflection interconnecting piece 134A and 134B compare forward beam 110 can in one direction to be freely rotatable, but in another side
It is not able to rotate substantially upwards；Second deflection interconnecting piece 134C makes forward beam 110 along both direction clockwise and anticlockwise
Rotation be provided with certain freedom degree.
The slewing area according to required for practical drilling process as a result, operating personnel can choose corresponding deflection connection
Portion is attached, so that operation process is simplified.It is also required to rotate counterclockwise i other words both needing to rotate clockwise in drilling
And in the case that slewing area is not very big, operating personnel can make deflection piston bar 142 and the second deflection interconnecting piece 134C
It is connected.As a result, in drilling process, the connection that deflection piston bar 142 is frequently changed to change rotation direction is not needed
Relationship.
In Fig. 2 and embodiment shown in Fig. 3, the connection wing plate 133 for being provided with the first deflection interconnecting piece 134A has greatly
Shape triangular in shape in cause, the preferably shape of right angled triangle.One right-angle side of the right angled triangle is along second party
The connection side being connected with support plate (see below) is formed to extension, another right-angle side is close to the front end of forward beam 110
111 side, bevel edge are the side far from the front end 111.It is provided with the deflection interconnecting piece of the first deflection interconnecting piece 134B and second
The connection wing plate 132 of 134C has the shape of generally parallelogram.
In addition, rotary support 130 further includes two support plates that 131 two sides of turnbarrel are arranged in along a first direction
135.The two support plates 135 extend along second direction.Stiffening plate 138 is along first direction and between two support plates 135
Extend, to connect and support two support plates 135.The stiffening plate 138 extends along second direction, one end and turnbarrel
131 are connected, and the other end is formed as free end.Preferably, groove part 139 is configured in the middle part of the free end.Groove part
139 stress that can be eliminated in stiffening plate 138 are concentrated.
As shown in Figure 1, cantilever crane further includes the principal arm pitching oil cylinder being arranged under principal arm 150.The principal arm pitching oil cylinder packet
Include principal arm pitching cylinder barrel 161 and principal arm pitching piston rod 162.One end of principal arm 150 and principal arm pitching cylinder barrel 161 is hinged on back
Turn on support 190, and principal arm pitching cylinder barrel 161 and principal arm 150 are hinged at interval on the fixation position below principal arm.It returns
Turning support 190 enables principal arm 150 around lateral axis rotation.That is, pivoting support 190 can make winner in Fig. 1
Arm 150 is rotated perpendicular to paper.The other end of principal arm pitching cylinder barrel 161 is inserted by one end of principal arm pitching piston rod 162, and with
One end of principal arm pitching piston rod 162 is in sliding fit with.The other end of principal arm pitching piston rod 162 principal arm 150 middle part with
Principal arm is hinged.As a result, when principal arm pitching piston rod 162 carries out telescopic moving relative to principal arm pitching cylinder barrel 161, it can be achieved that main
The upper lift of the one end of arm 150 being connected with rotary support 130 and whereabouts.
In addition, cantilever crane 100 may also include the rotary support pitching oil cylinder being arranged on principal arm 150.Rotary support pitching
Oil cylinder includes rotary support pitching cylinder barrel 171 and rotary support pitching piston rod 172.One end of rotary support pitching cylinder barrel 171
It is hinged at the middle part of principal arm 150 and the principal arm 150；The other end of rotary support pitching cylinder barrel 171 is by rotary support pitching piston
One end of bar 172 is inserted into, and is in sliding fit with one end of the rotary support pitching piston rod 172.Rotary support pitching piston
The other end of bar 172 and one end of connecting rod 173 are hinged, and the other end and rotary support 130 of connecting rod 173 are hinged.Specifically, connecting rod
173 are carried out hingedly by the first connecting hole 136 in the support plate 135 of rotary support 130 with rotary support 130, so that even
Bar 173 can be relative to rotary support 130 in vertical rotation in surface.Principal arm 150 passes through the support plate 135 of rotary support 130
On the second connecting hole 137 and with rotary support 130 carry out hingedly, enable principal arm 150 relative to rotary support 130 and perpendicular
Straight rotation in surface.First connecting hole 136 is located at the top of the second connecting hole 137 and is spaced apart with the second connecting hole 137.It is excellent
Selection of land, in a second direction, front end 111 of 137 to the first connecting hole 136 of the second connecting hole closer to forward beam 110.Pass through
Rotary support pitching piston rod 172 relative to rotary support pitching cylinder barrel 171 telescopic moving, it can be achieved that 130 phase of rotary support
It is mobile for the pitching of principal arm 150.
Under the comprehensive function of above-mentioned rotary support pitching oil cylinder and principal arm pitching oil cylinder, forward beam can be effectively realized
The variation of the orientation of the variation and forward beam 110 of 110 height and position in perpendicular.
Preferably, cantilever crane 100 further includes limitation bar 180.One end of limitation bar 180 is hinged on rotary support pitching piston rod
172 positions being connected with connecting rod 173, the other end are hinged on principal arm 150.Limitation bar 180 is configured to make connecting rod 173 and rotation branch
Seat pitching piston rod 172 keeps having upward angle.Thus can ensure that connecting rod 173 and rotary support pitching piston rod 172 it
Between be not present dead point.
It is also preferable to ground, as shown in figure 3, support plate 135 has the arc towards the side of the front end of forward beam 110 110
The contour edge 135A of shape.The support plate 135 of this shape has better support effect, and so that cantilever crane 100 makes
Use longer life expectancy.
Drilling machine 200 of the invention includes above-mentioned cantilever crane 100, and carries the car body 210 of the cantilever crane 100.Drilling machine 200 constructs
It can be fallen near its installation site with car body 210 always for the center of gravity of cantilever crane 100.
The flexibility of cantilever crane 100 and drilling machine 200 of the invention is higher, can meet many different construction working condition requirements.Example
Such as, cantilever crane 100 and drilling machine 200 are applicable to advance geologic probing bore operation, pipe canopy operation, anchoring operation, City Ground Foundation
Bore operation etc..
Positional terms used in the present invention (for example, upper and lower etc.) are for being easy to understand and proposing.It should be understood that
, as needed, these orientation are possible to change.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the invention
Under, it can make improvements and component therein can be replaced with equivalent.As long as structural conflict, each implementation is not present
The every technical characteristic being previously mentioned in example can be combined in any way.The invention is not limited to the particular implementations in text
Example, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of cantilever crane for drilling machine characterized by comprising
Forward beam is connected with drill bit on the front end of the forward beam；
Balladeur train, for the carriage supports below the forward beam, the balladeur train includes the direction extended along the forward beam
And balladeur train cylinder barrel extending, being in sliding fit with the forward beam, and carried out along the direction that the forward beam is extended
The balladeur train piston rod of extension, one end of the balladeur train piston rod are inserted into the balladeur train cylinder barrel and slide with the balladeur train cylinder barrel
Formula cooperation, the other end of the balladeur train piston rod are extended to except the balladeur train cylinder barrel and are fixedly linked with the forward beam；
Principal arm, the principal arm are arranged under the balladeur train and support the balladeur train and the forward beam；And
Deflection mechanism, the deflection mechanism are arranged between the balladeur train cylinder barrel of the balladeur train and the principal arm, and are configured to drive
Move the deflection of the balladeur train in a lateral direction relative to principal arm generation.
2. cantilever crane according to claim 1, which is characterized in that the deflection mechanism includes:
Rotary support, the rotary support are connected between the principal arm and the balladeur train cylinder barrel, the lower section of the balladeur train cylinder barrel
It is configured with the rotary pin shaft extended in a longitudinal direction, the rotation extended in a longitudinal direction is configured on the rotary support
Sleeve, the rotary pin shaft be inserted into the turnbarrel so that the balladeur train cylinder barrel can relative to the rotary support and
It rotates in a lateral direction.
3. cantilever crane according to claim 2, which is characterized in that the rotary support further includes being configured in institute along first direction
The deflection interconnecting piece of the side of turnbarrel is stated,
The deflection mechanism further include:
Deflection driver, the deflection driver include the fixation position and the hinged deflection of the forward beam in the forward beam
Cylinder barrel, the deflection cylinder barrel extend in a lateral direction, and the deflection driver further includes the deflection extended in a lateral direction
Piston rod, one end of the deflection piston bar are inserted into the deflection cylinder barrel and are in sliding fit with the deflection cylinder barrel, institute
The other end for stating deflection piston bar reaches except the deflection cylinder barrel, and is hinged with the deflection interconnecting piece.
4. cantilever crane according to claim 3, which is characterized in that the deflection interconnecting piece is included in perpendicular to the first party
To second direction on be separated from each other first deflection interconnecting piece and second deflection interconnecting piece, the deflection piston bar by with
First deflection interconnecting piece or the second deflection interconnecting piece are selectively connected and the balladeur train cylinder barrel and the forward beam are had
There is different ranges of deflection.
5. cantilever crane according to claim 4, which is characterized in that the rotary support includes symmetrically setting in a first direction
The two first deflection interconnecting pieces in the turnbarrel two sides are set, and the turnbarrel is set in a first direction
One second deflection interconnecting piece of side, the second deflection interconnecting piece are aligned with the turnbarrel in a second direction, institute
The second deflection interconnecting piece is stated in a second direction closer to the deflection cylinder barrel, and the deflection cylinder barrel is relative to the balladeur train cylinder
Front end of the cylinder closer to the forward beam.
6. the cantilever crane according to any one of claim 3 to 5, which is characterized in that the rotary support is configured with along first
The connection wing plate that direction is extended out relative to the turnbarrel, the deflection connection part structure on the connection wing plate,
The connection wing plate has the profile of triangle or parallelogram.
7. the cantilever crane according to any one of claim 2 to 6, which is characterized in that the rotary support further includes along
One direction and two support plates that the turnbarrel two sides are arranged in, described two support plates extend along second direction, institute
It states principal arm and described two support plates is hinged, be provided with and extend in a first direction to connect between described two support plates
The stiffening plate of two support plates is stated, the stiffening plate extends to one end in a second direction and is connected with the turnbarrel, separately
One end is free end, is configured with groove part in the middle part of the free end.
8. according to claim 1 to cantilever crane described in any one of 7, which is characterized in that the cantilever crane further includes being arranged described
Principal arm pitching oil cylinder under principal arm, the principal arm pitching oil cylinder include principal arm pitching cylinder barrel and principal arm pitching piston rod, described
One end of principal arm pitching cylinder barrel and the principal arm are hinged at interval on the position fixed relative to the principal arm, the principal arm
The other end of pitching cylinder barrel is inserted by one end of the principal arm pitching piston rod, and sliding with one end of the principal arm pitching piston rod
Dynamic formula cooperation, the other end of the principal arm pitching piston rod are hinged at the middle part of the principal arm and the principal arm.
9. according to claim 1 to cantilever crane described in any one of 8, which is characterized in that the cantilever crane further includes being arranged described
Rotary support pitching oil cylinder on principal arm, the rotary support pitching oil cylinder include rotary support pitching cylinder barrel and rotary support
One end of pitching piston rod, the rotary support pitching cylinder barrel is hinged at the middle part of the principal arm and the principal arm, the rotation
The other end of support pitching cylinder barrel is inserted by one end of the rotary support pitching piston rod, and living with the rotary support pitching
One end of stopper rod is in sliding fit with, and the other end of the rotary support pitching piston rod and one end of connecting rod are hinged, the connecting rod
The other end and the rotary support it is hinged, and the other end hinged with the rotary support of the connecting rod is located at the master
On arm and the hinged position of the rotary support,
The cantilever crane further includes limitation bar, and one end of the limitation bar is hinged on the rotary support pitching piston rod and the company
The other end of the connected position of bar, the limitation bar is hinged on the principal arm, the limitation bar be configured to make the connecting rod with
The rotary support pitching piston rod keeps having upward angle.
10. a kind of drilling machine, which is characterized in that the drilling machine include according to claim 1 to cantilever crane described in any one of 9, with
And the car body of the carrying cantilever crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023488.2A CN109577867B (en) | 2019-01-10 | 2019-01-10 | Boom for drilling machine and drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023488.2A CN109577867B (en) | 2019-01-10 | 2019-01-10 | Boom for drilling machine and drilling machine |
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| Publication Number | Publication Date |
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| CN109577867A true CN109577867A (en) | 2019-04-05 |
| CN109577867B CN109577867B (en) | 2021-04-23 |
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