CN114541997B - Cutting device and rescue car - Google Patents
Cutting device and rescue car Download PDFInfo
- Publication number
- CN114541997B CN114541997B CN202210188105.9A CN202210188105A CN114541997B CN 114541997 B CN114541997 B CN 114541997B CN 202210188105 A CN202210188105 A CN 202210188105A CN 114541997 B CN114541997 B CN 114541997B
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- arm
- arm support
- support mechanism
- cutting
- driving
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- 238000005520 cutting process Methods 0.000 title claims abstract description 109
- 230000007246 mechanism Effects 0.000 claims abstract description 164
- 239000007921 spray Substances 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 10
- 239000004576 sand Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
- B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of rescue, and provides a cutting device and a rescue vehicle. The cutting device comprises a boom assembly, wherein the boom assembly comprises a first boom mechanism and a second boom mechanism, a first end of the first boom mechanism is used for being hinged with a turntable, and the second boom mechanism is connected with the first boom mechanism; the cutting mechanism is arranged on the second arm support mechanism and used for cutting operation, and the first arm support mechanism can be unfolded and folded to adjust the operation position of the cutting mechanism. According to the invention, the first arm support mechanism and the second arm support mechanism are arranged, so that the extending distance of the cutting mechanism is increased, the obstacle crossing capability is improved, the first arm support mechanism is independently driven, the flexibility of actions is improved, the requirement of the operation position of the cutting mechanism is met, and the safety and rescue efficiency of cutting operation are improved.
Description
Technical Field
The invention relates to the technical field of rescue, in particular to a cutting device and a rescue vehicle.
Background
Blowout, a phenomenon in which fluids in a formation are ejected out of the ground or flow into other formations in the well, mainly occurs in the field of petroleum and natural gas exploitation. Inaccurate formation pressure prediction during drilling, failure to shut in the well after well kick is found, unqualified blowout prevention system installation and the like can directly cause blowout accidents. When blowout happens, the sprayed natural gas encounters electric sparks, friction sparks and the like, combustion is easy to occur, combustion flame is extremely fierce, site environment is extremely severe, and rescue difficulty is high.
Blowout accidents have a number of adverse effects, for example, extremely easy to cause uncontrolled fires, explosions or toxic hydrogen sulfide gas emissions to cause casualties; the blowout can enable oil gas to be ejected out of a wellhead into the atmosphere without control, so that environmental pollution is caused; the blowout accident can seriously damage the oil and gas layer and destroy underground oil and gas resources; blowout can severely disrupt normal work order, affecting global production. Therefore, it is extremely important to adopt an effective control rescue scheme when a blowout accident occurs.
The blowout rescue process mainly comprises the steps of establishing an operation environment by on-site obstacle removal, cutting a failed old wellhead by using cutting equipment, installing a new blowout preventer to reset the wellhead, wherein the cutting of the failed old wellhead is a ring which is vital in the rescue process, major potential safety hazards exist in the adoption of firepower cutting, and serious safety accidents can be caused by the fact that the wellhead is slightly careless in fire, so that the cutting mode is eliminated, and the current wellhead cutting is generally carried out by adopting a hydraulic sandblasting cutting mode.
The existing hydraulic cutting rescue equipment has the problems of easy damage and high risk in the blowout rescue process.
Disclosure of Invention
The invention provides a cutting device and a rescue vehicle, which are used for solving the defect of low safety of cutting operation on a wellhead in the blowout rescue process in the prior art, realizing the increase of the conveying distance of a cutting mechanism, ensuring the safety of blowout rescue and improving the rescue efficiency.
The present invention provides a cutting device, comprising:
the arm support assembly comprises a first arm support mechanism and a second arm support mechanism, wherein the first end of the first arm support mechanism is used for being hinged with the turntable, and the second arm support mechanism is connected with the first arm support mechanism;
the cutting mechanism is arranged on the second arm support mechanism and used for cutting operation, and the first arm support mechanism can be unfolded and folded to adjust the operation position of the cutting mechanism.
According to the cutting device provided by the invention, the cutting mechanism comprises the supporting component, and the supporting component is connected with the second arm support mechanism and used for supporting the second arm support mechanism during cutting operation.
According to the cutting device provided by the invention, the supporting component comprises the telescopic supporting leg and the telescopic driving piece, the mounting end of the telescopic supporting leg is hinged with the second arm support mechanism, one end of the telescopic driving piece is hinged with the second arm support mechanism, and the other end of the telescopic driving piece is hinged with the telescopic supporting leg.
According to the cutting device provided by the invention, the cutting mechanism comprises the driving component, the conveying pipeline and the spray head, the driving component is arranged on the second arm support, the spray head is communicated with the conveying pipeline, and the driving component is connected with the spray head and is suitable for driving the spray head to transversely move.
According to the cutting device provided by the invention, the driving assembly comprises the base, the movable driving piece, the screw rod and the sliding table, the base is arranged on the second arm support, the movable driving piece and the screw rod are both arranged on the base, the driving end of the movable driving piece is connected with the screw rod, the sliding table is sleeved on the screw rod, the spray head is arranged on the sliding table, and the spraying direction of the spray head is perpendicular to the moving direction of the sliding table.
According to the cutting device provided by the invention, the driving assembly further comprises a bevel gear box, the bevel gear box is arranged on the base, and the output end of the driving piece is connected with the screw rod through the bevel gear box.
According to the cutting device provided by the invention, the conveying pipeline comprises a first pipeline and a second pipeline, the first pipeline is arranged on the first arm support, the second pipeline is arranged on the second arm support mechanism, a hose or a rotary joint is arranged between the first pipeline and the second pipeline, and the second pipeline is communicated with the spray head.
According to the cutting device provided by the invention, the first arm support mechanism comprises a plurality of first arm sections and a plurality of first driving parts, the first arm sections are sequentially hinged end to end, the first driving parts are in one-to-one correspondence with the first arm sections and are used for driving the first arm sections to stretch and/or rotate, the head end of the first arm section at the head end is used for being hinged with the rotary table, and the tail end of the first arm section at the tail end is connected with the second arm support mechanism.
According to the cutting device provided by the invention, when the arm support assembly is unfolded, the rotating direction of the first arm section at the tail end is opposite to the rotating direction of the second arm support mechanism.
The invention also provides a rescue vehicle which comprises a chassis, a turntable and the cutting device, wherein the first end of the first arm support mechanism and one end of the first driving piece are hinged with the turntable.
The cutting device and the rescue vehicle provided by the invention comprise an arm support assembly, wherein the arm support assembly comprises a first arm support mechanism and a second arm support mechanism, the first end of the first arm support mechanism is used for being hinged with a turntable, and the second arm support mechanism is connected with the first arm support mechanism; the cutting mechanism is arranged on the second arm support mechanism and is used for cutting operation, the first arm support mechanism can be unfolded and unfolded to adjust the operation position of the cutting mechanism, the extending distance of the cutting mechanism is increased by arranging the first arm support mechanism and the second arm support mechanism, meanwhile, the obstacle crossing capability is improved, the first arm support mechanism is independently driven, the flexibility of the action is improved, the requirement of the operation position of the cutting mechanism is met, and the safety and the rescue efficiency of the cutting operation are improved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a rescue vehicle provided by the present invention;
FIG. 2 is a side view of the rescue vehicle provided by the present invention;
FIG. 3 is a top view of the rescue vehicle provided by the present invention;
fig. 4 is a schematic structural view of a second arm support mechanism in the operation state of the cutting device provided by the invention;
FIG. 5 is a schematic structural view of a second arm support mechanism of the cutting device provided by the invention in a non-operating state;
fig. 6 is a schematic structural view of a cutting mechanism in the cutting device provided by the invention.
Reference numerals:
100. a boom assembly; 110. a first boom mechanism; 120. a second arm segment; 121. a telescopic driving member; 122. a telescopic support leg; 130. a first arm segment; 200. a cutting mechanism; 210. a drive assembly; 211. a moving driving member; 212. a base; 213. a screw rod; 214. a sliding table; 215. bevel gear box; 220. a spray head; 230. a delivery line; 231. a hose; 300. a turntable; 310. a support leg; 400. and (3) a wellhead.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A cutting device of the present invention is described below with reference to fig. 1 to 6, including:
the arm support assembly 100, the arm support assembly 100 comprises a first arm support mechanism 110 and a second arm support mechanism, a first end of the first arm support mechanism 110 is used for being hinged with the turntable, and the second arm support mechanism is connected with the first arm support mechanism 110;
the cutting mechanism is arranged on the second arm support mechanism and used for cutting operation, wherein the first arm support mechanism 110 can be retracted and extended to adjust the operation position of the cutting mechanism. It can be appreciated that the telescopic length of the boom assembly 100 is adjustable, and the inclination angle relative to the turntable 300 is adjustable, so as to flexibly adjust the position of the cutting mechanism 200 relative to the wellhead 400, ensure the safety of cutting operation, and improve the cutting operation efficiency.
The boom assembly 100 includes a first boom mechanism 110 and a second boom mechanism, where respective lengths of the first boom mechanism 110 and the second boom mechanism may be specifically set according to actual situations. The first end of the first arm support mechanism 110 is used for being hinged with the turntable 300, so that the first arm support mechanism 110 can rotate relative to the turntable 300, the first end of the second arm support mechanism is hinged with the second end of the first arm support mechanism 110, the second arm support mechanism can rotate relative to the first arm support mechanism 110, that is, the first arm support mechanism 110 and the second arm support mechanism are rotated to fold and unfold the arm support assembly 100, and then the whole length of the arm support assembly 100 is adjusted.
Of course, the first end of the second arm support mechanism may be fixedly connected to the second end of the first arm support mechanism 110, so as to realize synchronous movement of the second arm support mechanism and the second end of the first arm support mechanism 110.
Further, the cutting mechanism 200 is fixedly disposed at the second end of the second arm support mechanism, so as to perform hydraulic cutting operation on the wellhead 400. Specifically, by adjusting the rotation of the first arm support mechanism 110 relative to the turntable 300, by adjusting the rotation of the second arm support mechanism relative to the first arm support mechanism 110, the expansion of the arm support assembly 100 is realized, and by adjusting the expansion and contraction amounts of the first driving piece and the second driving piece respectively, the extension length of the arm support assembly 100, that is, the distance between the cutting mechanism 200 and the wellhead 400 and the accurate adjustment of the spatial position of the cutting mechanism 200 relative to the wellhead 400 are realized, the distances between operators and rescue vehicles and the wellhead 400 are increased, the safety is improved, the crossing capacity of the arm support assembly 100 to obstacles can be effectively improved, and the rescue efficiency is improved; after the cutting operation is completed, the first arm support mechanism 110 is contracted and folded, so that the movement and the transportation are convenient.
According to the cutting device provided by the invention, the cutting mechanism comprises the supporting component, and the supporting component is connected with the second arm support mechanism and used for supporting the second arm support mechanism during cutting operation.
According to the cutting device provided by the invention, the supporting component comprises the telescopic supporting leg 122 and the telescopic driving piece 121, the installation end of the telescopic supporting leg 122 is hinged with the second arm support mechanism, one end of the telescopic driving piece 121 is hinged with the second arm support mechanism, and the other end of the telescopic driving piece 121 is hinged with the telescopic supporting leg 122. It will be appreciated that the support assembly includes a telescopic driving member 121 and a telescopic leg 122, in this embodiment, the telescopic driving member 121 and the telescopic leg 122 are both disposed on the bottom side of the second arm support mechanism, where the telescopic driving member 121 is used to extend and retract the telescopic leg 122, and the telescopic leg 122 is used to support the second arm support mechanism.
Specifically, one end of the telescopic driving piece 121 is the installation end of the telescopic driving piece 121 in this embodiment, and is hinged to the bottom side of the second arm support mechanism, the other end of the telescopic driving piece 121 is the telescopic end of the telescopic driving piece 121 in this embodiment, and is hinged to the telescopic supporting leg 122, and adjustment of the telescopic supporting leg 122 in the horizontal direction and the vertical direction is achieved through telescopic action of the telescopic driving piece 121.
Further, the mounting end of the telescopic support leg 122 is hinged to the bottom side of the second arm support mechanism, so that the telescopic support leg 122 can rotate in the horizontal and vertical directions relative to the second arm support mechanism. That is, when the telescopic driving piece 121 extends, the telescopic supporting leg 122 is driven to rotate from the horizontal direction to the vertical direction, and then the adjustment of the supporting height of the second arm support mechanism is realized by adjusting the telescopic amount of the telescopic supporting leg 122, so that the working height of the cutting mechanism 200 is ensured to be matched with the height to be cut of the wellhead 400, and meanwhile, the stability of the cutting mechanism 200 during cutting operation is improved; after the cutting operation is completed, the telescopic support legs 122 are contracted, the telescopic driving pieces 121 are contracted, the telescopic support legs 122 are rotated from the vertical state to the horizontal state, and the telescopic support legs 122 are retracted.
In this embodiment, the telescopic driving member 121 may be a hydraulic cylinder or a telescopic cylinder, and the telescopic leg 122 may be a hydraulic cylinder or a telescopic cylinder.
According to the cutting device provided by the invention, the cutting mechanism 200 comprises a driving component 210, a conveying pipeline 230 and a spray head 220, wherein the driving component 210 is arranged on the second arm support mechanism, the spray head 220 is communicated with the conveying pipeline 230, and the driving component 210 is connected with the spray head 220 and is suitable for driving the spray head 220 to move transversely. It can be appreciated that the cutting mechanism 200 includes a driving assembly 210, a conveying pipeline 230 and a nozzle 220, wherein the driving assembly 210 is used as a power output component for driving the nozzle 220 to move transversely, the conveying pipeline 230 is used for conveying sand liquid to the nozzle 220 to realize hydraulic cutting, and the nozzle 220 is used for spraying the sand liquid to generate cutting force to complete hydraulic cutting on the wellhead 400.
Specifically, the driving assembly 210 is fixedly installed on the upper side of the second arm support mechanism, the driving assembly 210 is connected with the nozzle 220, and drives the nozzle 220 to move transversely, wherein the transverse direction in the embodiment is the operation direction of the cutting wellhead 400. The conveying pipeline 230 is attached to the arm support assembly 100 and moves synchronously with the arm support assembly 100, and a liquid outlet end of the conveying pipeline 230 is communicated with the spray head 220 to convey sand liquid to the spray head 220.
In one embodiment, the inlet end of the nozzle 220 is provided with a quick connector, the liquid outlet end of the delivery pipe 230 is connected with the quick connector through a hose 231, so that the quick connector is convenient to disassemble and assemble, the hose 231 can be bent and stretched to a certain extent when the nozzle 220 moves during cutting operation, and meanwhile, the length of the hose 231 needs to meet the requirement of the maximum distance of the transverse movement of the nozzle 220.
According to the cutting device provided by the invention, the driving assembly 210 comprises a base 212, a moving driving piece 211, a screw 213 and a sliding table 214, wherein the base 212 is arranged on the second arm support mechanism, the moving driving piece 211 and the screw 213 are both arranged on the base 212, the driving end of the moving driving piece 211 is connected with the screw 213, the sliding table 214 is sleeved on the screw 213, the spray head 220 is arranged on the sliding table 214, and the spraying direction of the spray head 220 is perpendicular to the moving direction of the sliding table 214. It is understood that the driving assembly 210 includes a base 212, a moving driving member 211, a screw 213 and a sliding table 214, wherein the base 212 is fixedly mounted on an upper side of the second arm mechanism, so as to correspondingly assemble the screw 213. In this embodiment, the base 212 is provided with a chute, the lead screw 213 is correspondingly assembled in the chute, and the lead screw 213 is disposed along the length direction of the second arm support mechanism.
Wherein, the moving driving member 211 is fixedly installed at one end of the base 212, and ensures stable output of driving force. The driving end of the moving driving piece 211 is connected with one end of the screw rod 213, a bearing is arranged at the other end of the screw rod 213 and fixedly arranged on the side wall of the base 212, and the moving driving piece 211 is used for driving the screw rod 213 to rotate.
Wherein, slip table 214 cover is located on lead screw 213 to in the card establishes with the spout, the spout plays certain spacing and guide effect to slip table 214, and when lead screw 213 rotated, slip table 214 can follow the length direction of lead screw 213 and remove, through changing the rotation direction that removes driving piece 211, clockwise rotation or anticlockwise rotation, realizes the adjustment to slip table 214 direction of movement.
Wherein, the nozzle 220 is fixedly arranged on the sliding table 214 and moves synchronously with the sliding table 214. The spraying direction of sand liquid sprayed by the spray head 220 is perpendicular to the moving direction of the sliding table 214, namely, the spray head 220 is perpendicular to the screw 213, so that the wellhead 400 is moved and cut.
According to the cutting device provided by the invention, the driving assembly 210 further comprises a bevel gear box 215, the bevel gear box 215 is arranged on the base 212, and the output end of the moving driving piece 211 is connected with the screw 213 through the bevel gear box 215. It can be understood that the driving assembly 210 further includes a bevel gear box 215, the bevel gear box 215 is fixedly mounted at the end of the base 212, the output end of the moving driving member 211 is connected with the screw 213 through the bevel gear box 215, so as to realize transmission of driving force, and meanwhile, the output rotation speed of the moving driving member 211 is conveniently allocated, so as to control the moving speed of the sliding table 214.
In this embodiment, the moving driving member 211 may be a hydraulic motor or an electric motor.
According to the cutting device provided by the invention, the conveying pipeline 230 comprises a first pipeline and a second pipeline, the first pipeline is arranged on the first arm section 130, the second pipeline is arranged on the second arm support mechanism, a rotary joint is arranged between the first pipeline and the second pipeline, and the second pipeline is communicated with the spray head 220. It is understood that the conveying pipeline 230 includes a first pipeline and a second pipeline, and the first pipeline is fixedly arranged on the first arm section 130 and synchronously acts with the first arm section 130. The second pipeline is fixedly arranged on the second arm support mechanism and synchronously acts with the second arm support mechanism. And meanwhile, when the position of the second arm support mechanism relative to the first arm joint 130 is adjusted, the rotary joint correspondingly rotates, so that the first pipeline and the second pipeline can be effectively ensured to be always communicated. The liquid outlet end of the second pipeline is communicated with the spray nozzle 220, so that sand liquid is conveyed.
According to the cutting device provided by the invention, the conveying pipeline 230 comprises a first pipeline and a second pipeline, the first pipeline is arranged on the first arm section 130, the second pipeline is arranged on the second arm support mechanism, a hose 231 is arranged between the first pipeline and the second pipeline, and the second pipeline is communicated with the spray head 220. It is understood that the conveying pipeline 230 includes a first pipeline and a second pipeline, and the first pipeline is fixedly arranged on the first arm section 130 and synchronously acts with the first arm section 130. The second pipeline is fixedly arranged on the second arm support mechanism and synchronously acts with the second arm support mechanism. A hose 231 is arranged between the first pipeline and the second pipeline to realize the communication between the first pipeline and the second pipeline, and meanwhile, when the position of the second arm section 120 relative to the first arm section 130 is adjusted, the hose 231 can be correspondingly bent or stretched, so that the first pipeline and the second pipeline can be effectively ensured to be always communicated. The liquid outlet end of the second pipeline is communicated with the spray nozzle 220, so that sand liquid is conveyed.
According to the cutting device provided by the invention, the first arm support mechanism 110 comprises a plurality of first arm sections 130 and a plurality of first driving members, the first arm sections 130 are sequentially hinged end to end, the first driving members are in one-to-one correspondence with the first arm sections 130 and are used for driving the first arm sections 130 to stretch and/or rotate, and the head end of the first arm section 130 at the head end is used for being hinged with the turntable. It is understood that the first arm support mechanism 110 includes a plurality of first arm segments 130 and a plurality of first driving members, and the first arm segments 130 are in one-to-one correspondence with the first driving members. The plurality of first arm segments 130 are hinged end to end in sequence, and the first driving member correspondingly drives the first arm segments 130 to stretch and/or rotate.
One end of the first driving member, in this embodiment, the mounting end of the first driving member, which corresponds to the first arm segment 130 at the head end, is used to hinge with the turntable 300. The other end of the first driving member, in this embodiment, the telescopic end of the first driving member, is hinged to the first arm segment 130 at the head end, so that the first driving member can adjust the inclination angle of the first arm segment 130 relative to the turntable 300 through telescopic adjustment, and the independent driving control of the first arm segment 130 is realized, so as to improve the control accuracy.
Between two adjacent first arm sections 130, one end of the first driving member is hinged to one of the first arm sections 130, and the other end of the first driving member is hinged to the other first arm section 130.
The second arm support mechanism comprises a second arm section 120, wherein the first end of the second arm section 120 is hinged or fixedly connected with the tail end of the first arm section 130 at the tail end, if a hinged mode is adopted, the second arm support mechanism further comprises a second driving piece, one end of the second driving piece is hinged with the first arm section 130 at the tail end, and the other end of the second driving piece is hinged with the second arm section 120, so that the second driving piece can stretch and/or rotate the second arm section 120.
In one embodiment, the second arm support mechanism includes a plurality of second arm segments 120 and a plurality of second driving members, and the second arm segments 120 are in one-to-one correspondence with the second driving members. The plurality of second arm segments 120 are hinged end to end in sequence, and the second driving member correspondingly drives the second arm segments 120 to stretch and/or rotate. The first end of the first arm segment 120 is hinged to the second end of the second arm segment 130, and the cutting mechanism is disposed on the second arm segment 120. Between two adjacent second arm sections 120, one end of the second driving member is hinged to one of the second arm sections 120, and the other end of the second driving member is hinged to the other second arm section 120.
One end of the second driving member is the mounting end of the second driving member in this embodiment, and is hinged to the first arm segment 130 at the tail end, and the other end of the second driving member is the telescopic end of the second driving member in this embodiment, and is hinged to the second arm segment 120, so that the second driving member can realize independent driving control of the second arm segment 120 by adjusting the inclination angle of the second arm segment 120 relative to the first arm segment 130 in a telescopic manner, and control accuracy is improved.
According to the cutting device provided by the invention, the arm support assembly 100 further comprises a plurality of third arm sections, wherein the third arm sections are arranged between the first arm section 130 and the second arm section 120 and are hinged end to end in sequence, the first end of the first third arm section is hinged with the second end of the first arm section 130, and the second end of the last third arm section is hinged with the first end of the second arm section 120;
third driving members are provided between the first arm segment 130 and the adjacent third arm segment, between the adjacent third arm segment, and between the second arm segment 120 and the adjacent third arm segment. It will be appreciated that in this embodiment, a first arm segment 130, a plurality of third arm segments and a second arm segment 120 are provided. A plurality of third arm sections are arranged between the first arm section 130 and the second arm section 120, the third arm sections are sequentially hinged end to end, the first end of the first third arm section is hinged with the second end of the first arm section 130, the second end of the last third arm section is hinged with the first end of the second arm section 120, and the overall length and the crossing capacity of the arm support assembly 100 are increased. The number of the third arm sections can be set according to actual needs.
Further, a third driving member is disposed between the first arm segment 130 and the adjacent third arm segment, one end of the third driving member is in this embodiment a mounting end of the third driving member, and is hinged to the first arm segment 130, and the other end of the third driving member is in this embodiment a telescopic end of the third driving member, and is hinged to the first third arm segment (adjacent to the first arm segment 130).
And a third driving piece is arranged between every two adjacent third arm sections, one end of the third driving piece is the installation end of the third driving piece in the embodiment and hinged with the third arm section positioned at the front side, the other end of the third driving piece is the telescopic end of the third driving piece in the embodiment and hinged with the third arm section positioned at the rear side, and each third driving piece independently drives the third arm section.
A third driving member is disposed between the second arm segment 120 and the adjacent third arm segment, one end of the third driving member is in this embodiment the mounting end of the third driving member, and is hinged to the third arm segment at the end, and the other end of the third driving member is in this embodiment the telescopic end of the third driving member, and is hinged to the second arm segment 120.
In this embodiment, the first driving member may be a hydraulic cylinder or a telescopic cylinder, the second driving member may be a hydraulic cylinder or a telescopic cylinder, and the third driving member may be a hydraulic cylinder or a telescopic cylinder.
According to the cutting device provided by the invention, when the arm support assembly 100 is unfolded, the rotation direction of the first arm section 130 at the tail end is opposite to the rotation direction of the second arm support mechanism. It can be appreciated that, in the process of expanding the arm support assembly 100, the first driving member corresponding to the first arm segment 130 at the end drives the first arm segment 130 to rotate clockwise, the second driving member drives the second arm segment 120 to rotate anticlockwise, or the first driving member corresponding to the first arm segment 130 at the end drives the first arm segment 130 to rotate anticlockwise, the second driving member drives the second arm segment 120 to rotate clockwise, so that the folding between the second arm segment 120 and the first arm segment 130 can be effectively ensured when the arm support assembly 100 is contracted, and the occupied space is reduced.
The invention also provides a rescue vehicle, which comprises a chassis, a turntable 300 and the cutting device, wherein the first end of the first arm support mechanism 110 is hinged with the turntable 300. It will be appreciated that the turntable 300 is mounted on a chassis provided with four legs 310 for firmly supporting the chassis. The first arm support mechanism 110 of the arm support assembly 100 is hinged to the turntable 300, while the mounting end of the first driving member is hinged to the turntable 300.
The cutting device and the rescue vehicle provided by the invention comprise an arm support assembly, wherein the arm support assembly comprises a first arm support mechanism and a second arm support mechanism, the first end of the first arm support mechanism is used for being hinged with a turntable, and the second arm support mechanism is connected with the first arm support mechanism; the cutting mechanism is arranged on the second arm support mechanism and used for cutting operation, the first arm support mechanism can be unfolded and unfolded to adjust the operation position of the cutting mechanism, the extending distance of the cutting mechanism is increased by arranging the first arm support mechanism and the second arm support mechanism, meanwhile, the obstacle crossing capability is improved, the first arm support mechanism is independently driven, the flexibility of the action is improved, the requirement of the operation position of the cutting mechanism is met, and the safety and the rescue efficiency of the cutting operation are improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A cutting device, comprising:
the arm support assembly comprises a first arm support mechanism and a second arm support mechanism, wherein the first end of the first arm support mechanism is used for being hinged with the turntable, and the second arm support mechanism is connected with the first arm support mechanism;
the cutting mechanism is arranged on the second arm support mechanism and is used for cutting operation; the cutting mechanism comprises a supporting component, and the supporting component is connected with the second arm support mechanism and used for supporting the second arm support mechanism during cutting operation; the first arm support mechanism can be unfolded and folded to adjust the operation position of the cutting mechanism;
the support assembly comprises a telescopic support leg and a telescopic driving piece, the installation end of the telescopic support leg is hinged with the second arm support mechanism, one end of the telescopic driving piece is hinged with the second arm support mechanism, the other end of the telescopic driving piece is hinged with the telescopic support leg, and the telescopic support leg is used for adjusting the support height of the second arm support mechanism so that the operation height of the cutting mechanism is matched with the height to be cut of a wellhead;
the first arm support mechanism comprises a plurality of first arm sections and a plurality of first driving parts, the first arm sections are sequentially hinged end to end, the first driving parts are in one-to-one correspondence with the first arm sections and are used for driving the first arm sections to stretch and/or rotate, and the head end of the first arm section at the head end is used for being hinged with the rotary table;
the second arm support mechanism comprises a plurality of second arm sections and a plurality of second driving pieces, the second arm sections are sequentially hinged end to end, the second driving pieces are in one-to-one correspondence with the second arm sections and are used for driving the second arm sections to stretch and/or rotate, the first end of the second arm sections at the head end is hinged with the tail end of the first arm sections at the tail end, and the cutting mechanism is arranged on the second arm sections at the tail end.
2. The cutting device of claim 1, wherein the cutting mechanism comprises a drive assembly, a delivery line and a spray head, the drive assembly is disposed on the second boom mechanism, the spray head is in communication with the delivery line, and the drive assembly is connected to the spray head and is adapted to drive the spray head to move laterally.
3. The cutting device of claim 2, wherein the driving assembly comprises a base, a moving driving member, a screw and a sliding table, the base is arranged on the second arm support mechanism, the moving driving member and the screw are both arranged on the base, the driving end of the moving driving member is connected with the screw, the sliding table is sleeved on the screw, the spray head is arranged on the sliding table, and the spraying direction of the spray head is perpendicular to the moving direction of the sliding table.
4. A cutting device according to claim 3, wherein the drive assembly further comprises a bevel gear box provided on the base, the output end of the drive member being connected to the lead screw via the bevel gear box.
5. The cutting device of claim 2, wherein the delivery line comprises a first line and a second line, the first line is disposed on the first boom mechanism, the second line is disposed on the second boom mechanism, a hose or a swivel is disposed between the first line and the second line, and the second line is in communication with the spray head.
6. The cutting device of claim 1, wherein the direction of rotation of the first arm segment at the end is opposite the direction of rotation of the second arm mechanism when the arm assembly is deployed.
7. A rescue vehicle comprising a chassis, a turntable and a cutting apparatus as claimed in any one of claims 1 to 6, wherein the first end of the first arm support mechanism is hinged to the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210188105.9A CN114541997B (en) | 2022-02-28 | 2022-02-28 | Cutting device and rescue car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210188105.9A CN114541997B (en) | 2022-02-28 | 2022-02-28 | Cutting device and rescue car |
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| Publication Number | Publication Date |
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| CN114541997A CN114541997A (en) | 2022-05-27 |
| CN114541997B true CN114541997B (en) | 2024-03-29 |
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| CN202210188105.9A Active CN114541997B (en) | 2022-02-28 | 2022-02-28 | Cutting device and rescue car |
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| CN113250608A (en) * | 2021-06-03 | 2021-08-13 | 重庆大学 | Underground deep and narrow groove continuous sawing system convenient to transport |
| CN214573222U (en) * | 2021-02-07 | 2021-11-02 | 山东省路桥集团有限公司 | Self-propelled road surface annular cutting machine using high-pressure water jet cutting |
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| CN205043969U (en) * | 2015-10-16 | 2016-02-24 | 苏州中材建设有限公司 | Cutting of CFG stake pile head is equipped |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114541997A (en) | 2022-05-27 |
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