CN113928986A - Hydraulic control cantilever lifting system - Google Patents
Hydraulic control cantilever lifting system Download PDFInfo
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- CN113928986A CN113928986A CN202111177638.9A CN202111177638A CN113928986A CN 113928986 A CN113928986 A CN 113928986A CN 202111177638 A CN202111177638 A CN 202111177638A CN 113928986 A CN113928986 A CN 113928986A
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- telescopic arm
- pulley block
- lift system
- bearing column
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
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- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract 2
- 238000005553 drilling Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- 238000011112 process operation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/166—Simple cranes with jibs which may be fixed or can slew or luff
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/706—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by other means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
- B66C23/86—Slewing gear hydraulically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/94—Safety gear for limiting slewing movements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a hydraulic control cantilever lifting system, which comprises a telescopic arm and a basic arm, wherein the telescopic arm is arranged in the basic arm in a sliding manner, a bearing column is arranged at the lower side of the telescopic arm, the bearing column is connected with a connecting seat through a driving rotary supporting device, the connecting seat is connected with an upper body of a derrick through a fixed seat, and a hydraulic winch assembly is arranged at the lower side of the fixed seat; the hydraulic winch assembly is characterized by further comprising a first pulley block and a second pulley block, the first pulley block is located on the telescopic arm, the second pulley block is located on the bearing column, a steel wire rope is connected to the hydraulic winch assembly, and the steel wire rope is wound on the second pulley block and the first pulley block respectively. The invention has the advantages of ingenious structure, convenience for hoisting, multiple protection mechanisms, safety and high efficiency in use, capability of adapting to work under various working conditions and good economic benefit.
Description
Technical Field
The invention relates to the technical field of petroleum drilling and production equipment, in particular to a hydraulic control cantilever lifting system.
Background
Because of meeting the requirement of fast moving, fast assembling and fast maintaining of the traditional vehicle-mounted drilling and repairing machine, the component equipment configured by a plurality of drilling and repairing machines is simple and portable, for example, a simple operating drill floor, the drill floor can only be configured with a ladder and an outer guard fence due to the limitation of space size, and no equipment such as a tool room, a driller room, a pneumatic winch, a cat head and the like is spatially arranged, so that a plurality of wellhead tools on the surface of the drill floor, such as screw taps, drill bits, drill collars, drill rods, oil rods, sleeves, elevator and the like, need to be manually carried, the workload of workers is very large, the operation reliability is poor, the damage to the drilling tool is serious, and the drilling tool is extremely unsafe and is easy to damage and smash.
In the process of carrying out continental scientific drilling operation, hundreds to thousands of drill rods, core pipes, sleeves and the like are required to be frequently drilled and discharged for extracting cores; the tripping and drilling operations take more than 1/3% of the total operating time and in all drilling events, more than 79% of the total operating time is reached as a result of the drill string being transported. If the drilling tool is manually moved, the workload of workers is large, the operation reliability is poor, the damage degree of the drilling tool is serious, and the occurrence frequency of safety accidents is high. If use novel liquid accuse lift system, whole process operation process efficiency improves, but also can make workman's work load reduce, and the running cycle of whole rig system of boring shortens.
In order to reduce the safety risk and improve the operability, the requirement of the operation time of the vehicle-mounted drilling and repairing machine on fast moving and fast assembling is met. The drilling tool on the simple drilling platform surface is carried manually, the operation efficiency, the safety and the economy are seriously influenced, and the cantilever crane system is designed to meet the market requirement.
Chinese patent document CN 104176656 a describes a cantilever beam rotary telescopic crane, in which the length of the cantilever is changed by installing a telescopic beam at the lower part of the cantilever, but in this structure, because the telescopic beam and the cantilever are not rigidly connected, and are only mounted at the bottom of the cantilever by rollers, the stress on the cantilever is not uniform and concentrated, and there are defects in the use process, so it needs to be improved, and because the actuating mechanism of the telescopic beam is exposed to the outside, it is not suitable for the working condition environment of oil exploitation, so it needs to be improved.
Disclosure of Invention
The invention provides a hydraulic control cantilever lifting system, which solves the problems that the conventional wellhead tool on a drill floor is not moved and has high requirements on technology and cost, the difficulty and the strength are high, the hydraulic control cantilever lifting system cannot adapt to severe working conditions well, and the lifting weight in a safety range cannot be prompted for different lifting points of a cantilever.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a hydraulic control cantilever lifting system comprises a telescopic arm and a basic arm, wherein the telescopic arm is slidably arranged in the basic arm, a bearing column is arranged on the lower side of the telescopic arm, the bearing column is connected with a connecting seat through a driving rotary supporting device, the connecting seat is connected with an upper body of a derrick through a fixing seat, and a hydraulic winch assembly is arranged on the lower side of the fixing seat;
the hydraulic winch assembly is characterized by further comprising a first pulley block and a second pulley block, the first pulley block is located on the telescopic arm, the second pulley block is located on the bearing column, a steel wire rope is connected to the hydraulic winch assembly, and the steel wire rope is wound on the second pulley block and the first pulley block respectively.
In a preferred scheme, the driving rotation supporting device comprises a fluted disc, the fluted disc is fixedly arranged on the bearing column, the bearing column is arranged in the connecting seat in a penetrating mode, one side of the fluted disc is connected with a worm in a meshing mode, the worm is fixedly arranged on the connecting seat, and the end portion of the worm is provided with a hydraulic motor.
In the preferred scheme, the connecting seat comprises a connecting column body, a flange plate is fixedly arranged on the connecting column body, a mounting hole penetrates through the middle position of the flange plate, the end part of the bearing column penetrates through the mounting hole, a partition plate is arranged on the upper part of the flange plate and is connected with a limiting plate through a third screw, a stepped counter bore is formed in the partition plate, a fluted disc is located in the stepped counter bore, and the worm is located on the flange plate.
In the preferred scheme, a stop block is arranged on one side of the flange plate, and two limiting touch plates are symmetrically arranged on the outer side wall of the bearing column.
In a preferred scheme, the basic arm comprises an outer shell, a cavity is arranged in the outer shell, a first slide way is arranged at the bottom of the cavity, two second slide ways are arranged on two sides of the cavity in parallel, a through hole and a control box are arranged at the upper part of the outer shell, and a motor assembly penetrates through the through hole;
the motor assembly comprises a gear, the gear is meshed with the telescopic arm and is connected with the telescopic arm, a transmission shaft penetrates through the gear and is positioned in the through hole, the upper part of the transmission shaft is connected with a motor, a fixing plate is arranged on the motor, and the fixing plate is fixed with the outer shell through a first screw;
the upper portion of the outer shell is further provided with a limiting groove, a limiting frame is detachably connected in the limiting groove, and the limiting frame is used for limiting the telescopic arm.
In the preferred scheme, flexible arm includes the arm body, and the upper portion of the arm body is equipped with the rack, and rack and gear engagement are connected, and the lower part of the arm body is equipped with the boss, boss and first slide sliding connection, and the both sides parallel of the arm body is equipped with two slides, and the slide is slided and is established in the second slide, and the arm body still is equipped with the limiting plate apart from the one side that the slide is close, and the height that highly is higher than the arm body of limiting plate.
In the preferred scheme, a groove is formed in the boss, a plurality of cylindrical rollers are uniformly distributed in the groove, and the cylindrical rollers are arranged in the first slide way in a sliding mode.
In the preferred scheme, the both sides of shell body are provided with a plurality of pilot lamps relatively, and the inboard of cavity is provided with a plurality of contact plates relatively, and contact plate and touch pole electrical connection, flexible arm both sides are provided with a plurality of touch poles relatively, and the height and the contact plate phase-match of touch pole.
In a preferable scheme, two first brake pieces are oppositely arranged on two sides of the cavity, two second electromagnetic brake pieces are oppositely arranged on the outer side of the telescopic arm, and the heights of the second electromagnetic brake pieces are matched with those of the first brake pieces.
In the preferred scheme, the limiting frame comprises a supporting body, a clamping groove is formed in the middle of the supporting body, two lug plates are symmetrically arranged on two sides of the supporting body respectively, and the lug plates are fixed to the outer shell through second screws.
The invention has the beneficial effects that: the telescopic boom is arranged in the basic boom, the whole application range is wider, and multiple limiting and braking measures are adopted, so that the safety and stability of the telescopic boom in the operation process are ensured. Drive gyration strutting arrangement drives basic arm and flexible arm clockwise or anticlockwise rotation, under the limiting displacement of cooperation dog, can mechanical spacing and stop, at the flexible in-process of flexible arm, basic arm can monitor the position of flexible arm extension, instruct for the hoist and mount weight of flexible arm simultaneously, holistic safety and high efficiency when having guaranteed hoist and mount, the actuating mechanism and the braking stop device of flexible arm all set up inside basic arm, the during operation has been avoided in adverse circumstances, each part receives the influence of environment and temperature, holistic safety has been guaranteed.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic left side view of the present invention;
FIG. 3 is a schematic view of the operation of the stop and limit touch plate of the present invention;
FIG. 4 is a schematic view of the operation of the driven pivoting support of the present invention;
FIG. 5 is a schematic view of the overall structure of the basic arm of the present invention;
FIG. 6 is a schematic top view of the basic arm of the present invention;
FIG. 7 is a schematic cross-sectional view of the basic arm A-A of the present invention;
FIG. 8 is a schematic view of the overall structure of the telescopic arm of the present invention;
FIG. 9 is a first state of the basic arm and telescopic arm working schematic of the present invention;
FIG. 10 is a second schematic view of the basic arm and telescopic arm of the present invention;
FIG. 11 is a schematic left side view of FIG. 9;
fig. 12 is a schematic view of the overall structure of the spacing frame of the invention.
In the figure: a telescopic arm 1; an arm body 101; a slide plate 102; a stopper plate 103; a recess 104; a cylindrical roller 105; a touch bar 106; second electromagnetic brake pad 107; a rack 108; a boss 109; a hoisting port 110; a base arm 2; an outer housing 201; a cavity 202; a first chute 203; a second slideway 204; a contact plate 205; an indicator light 206; a control box 207; a limiting groove 208; a via 209; a first brake pad 210; driving the slewing support device 3; a fluted disc 301; a worm 302; a hydraulic motor 303; a connecting seat 4; a flange plate 401; mounting holes 402; a separation disc 403; a connecting cylinder 404; a limiting disc 405; a stepped counterbore 406; a third screw 407; a fixed seat 5; a first pulley block 6; a motor assembly 7; a motor 701; a drive shaft 702; a gear 703; a fixing plate 704; a first screw 705; a hydraulic winch assembly 8; a stopper 9; a limit touch plate 10; a derrick upper body 11; a limiting frame 12; a support body 1201; a card slot 1202; ear plate 1203; a second screw 1204; a load-bearing column 13; a second pulley block 14; a wire rope 15; a cover plate 16.
Detailed Description
As shown in fig. 1-12, a hydraulic control cantilever lifting system comprises a telescopic arm 1 and a basic arm 2, wherein the telescopic arm 1 is slidably arranged in the basic arm 2, a bearing column 13 is arranged at the lower side of the telescopic arm 1, the bearing column 13 is connected with a connecting seat 4 through a driving rotary supporting device 3, the connecting seat 4 is connected with a derrick upper body 11 through a fixing seat 5, and a hydraulic winch assembly 8 is arranged at the lower side of the fixing seat 5;
the telescopic arm is characterized by further comprising a first pulley block 6 and a second pulley block 14, wherein the first pulley block 6 is located on the telescopic arm 1, the second pulley block 14 is located on the bearing column 13, the hydraulic winch component 8 is connected with a steel wire rope 15, and the steel wire rope 15 is wound on the second pulley block 14 and the first pulley block 6 respectively. One side of flexible arm 1 is equipped with hoist and mount mouth 10, first assembly pulley 6 is located hoist and mount mouth 10, the one end of basic arm 2 is connected with apron 16 through the cramp, be provided with radiator fan in the apron 16, therefore, the overall structure is compact, wire rope 15 just can extend to the rig-floor face after second assembly pulley 14 and first assembly pulley 6 respectively, drive gyration strutting arrangement 3 then control basic arm 2's rotation, thereby satisfy the demand of site work condition and hoist and mount angle, flexible arm 1 is flexible according to the position of hoist and mount piece, application scope is wide, fan on the apron 16 then can work or stop according to external environment, discharge the heat of basic arm 2 inside when the during operation, the stable high efficiency of integral operation.
In a preferable scheme, the driving rotation supporting device 3 comprises a fluted disc 301, the fluted disc 301 is fixedly arranged on a bearing column 13, the bearing column 13 penetrates through the connecting seat 4, one side of the fluted disc 301 is connected with a worm 302 in a meshing manner, the worm 302 is fixedly arranged on the connecting seat 4, and the end part of the worm 302 is provided with a hydraulic motor 303. From this structure to make whole operation steady, and the worm gear structure itself that worm 302 and fluted disc 301 constitute has good auto-lock nature, has guaranteed the safety of operation, and worm gear drive ratio is big, and it is more smooth and easy to rotate under the heavy load of hoist and mount heavy object.
In a preferable scheme, the connecting seat 4 includes a connecting column 404, a flange 401 is fixedly disposed on the connecting column 404, a mounting hole 402 penetrates through a middle position of the flange 401, an end portion of the bearing column 13 penetrates through the mounting hole 402, a spacer disc 403 is disposed on an upper portion of the flange 401, the spacer disc 403 is connected with a limiting disc 405 through a third screw 407, a stepped counter bore 406 is disposed on the spacer disc 403, the fluted disc 301 is disposed in the stepped counter bore 406, and the worm 302 is disposed on the flange 401. Therefore, the structure enables the limiting disc 405 to position the fluted disc 301 and the bearing column 13 and limit the fluted disc 301 and the bearing column at the same time, the partition plate 403 provides space for smooth rotation of the fluted disc 301, and the whole rigidity is good.
In the preferred scheme, a stop block 9 is arranged on one side of the flange plate 401, and two limiting contact plates 10 are symmetrically arranged on the outer side wall of the bearing column 13. The limiting touch plate 10 is arranged above the limiting disc 405, and the electromagnetic valve is arranged on the limiting touch plate 10. From this structure to make at basic arm 2 and telescopic boom 1 in rotatory in-process, when changeing certain angle, spacing touch panel 10 touches dog 9, and the solenoid valve triggers passively, transmits scram signal immediately, and control box 207 receives the signal this moment, thereby cuts off hydraulic motor 303's power end hydraulic pressure station, has guaranteed whole operation safety, and the response is high-efficient.
In a preferred scheme, the basic arm 2 comprises an outer shell 201, a cavity 202 is arranged in the outer shell 201, a first slide way 203 is arranged at the bottom of the cavity 202, two second slide ways 204 are arranged on two sides of the cavity 202 in parallel, a through hole 209 and a control box 207 are arranged at the upper part of the outer shell 201, and a motor assembly 7 penetrates through the through hole 209;
the motor assembly 7 comprises a gear 703, the gear 703 is meshed with the telescopic arm 1, a transmission shaft 702 penetrates through the gear 703, the transmission shaft 702 is positioned in the through hole 209, the upper part of the transmission shaft 702 is connected with a motor 701, a fixing plate 704 is arranged on the motor 701, and the fixing plate 704 is fixed with the outer shell 201 through a first screw 705;
the upper portion of shell body 201 still is equipped with spacing groove 208, and spacing 12 is connected with to spacing inslot 208 detachable, and spacing 12 is used for spacing to telescopic boom 1. By this structure, shell body 201 of basic arm 2 provides the space of removal for flexible arm 1, simultaneously shelter from for flexible arm 1 provides, first slide 203 and second slide 204 mutually support, the limiting displacement of two directions has been played for flexible arm 1, simultaneously lead to flexible arm 1, motor element 7 then provides stable power supply for flexible arm 1, and motor 701 moment of torsion is big, and stability is good, can the efficient drive flexible arm 1 work, motor 701 has played the effect of first heavy protection, spacing 12 has then restricted flexible arm 1's home range, avoid flexible arm 1 to stretch out the distance overlength, lead to heeling or toppling, spacing 12 machinery is spacing, the second heavy guard action has been played.
In a preferable scheme, the telescopic boom 1 comprises a boom body 101, a rack 108 is arranged on the upper portion of the boom body 101, the rack 108 is meshed with a gear 703, a boss 109 is arranged on the lower portion of the boom body 101, the boss 109 is slidably connected with a first slide 203, two sliding plates 102 are arranged on two sides of the boom body 101 in parallel, the sliding plates 102 are slidably arranged in a second slide 204, a limit plate 103 is further arranged on one side of the boom body 101 close to the sliding plates 102, and the height of the limit plate 103 is higher than that of the boom body 101. The size of boss 109 and first slide 203 size cooperate, and from this structure, flexible arm 1 can be quick removes in basic arm 2, and limiting plate 103 and spacing 12 mutually support, and spacing 12 has restricted the range of motion of limiting plate 103, has guaranteed holistic stability.
In a preferable scheme, a groove 104 is arranged in the boss 109, a plurality of cylindrical rollers 105 are uniformly distributed in the groove 104, and the cylindrical rollers 105 are slidably arranged in the first slideway 203. By the structure, the sliding is more convenient and smooth, the abrasion is small and the service life is longer under the integral friction force.
In a preferred scheme, a plurality of indicator lights 206 are oppositely arranged on two sides of the outer shell 201, a plurality of contact plates 205 are oppositely arranged on the inner side of the cavity 202, the contact plates 205 are electrically connected with the touch rods 106, a plurality of touch rods 106 are oppositely arranged on two sides of the telescopic arm 1, and the height of the touch rods 106 is matched with that of the contact plates 205. The base arm 2 is further provided with a stroboscopic light strip, the stroboscopic light strip corresponds to the position of the telescopic arm 1 relative to the base arm 1, when the distance between the hoisting port 10 of the telescopic arm 1 and the base arm 2 is larger, the stroboscopic frequency of the stroboscopic light strip is higher, the position of the indicator 206 is matched with that of the contact plate 205, the indicator 206 corresponds to the relative position of the telescopic arm 1 sliding in the base arm 2, different positions correspond to different hoisting weights, when the contact plate 205 is squeezed, the circuit is switched on, the indicator 206 is lighted, the contact plate 205 adopts a staggered structure, the angle between the central axes of the upper and lower touch rods 106 is slightly larger than the slope of the central connecting line of the upper and lower contact plates 205, so that when the touch rod 106 slides in the base arm 2 along with the telescopic arm 1, the touch rod 106 contacts and squeezes the contact plate 205, the indicator 206 at different positions is lighted, and no matter where the telescopic arm 1 is located is ensured, there are and only two pilot lamps 206 light about the homonymy, and different pilot lamps correspond different hoist and mount weight, can indicate and refer to operating personnel from this, safety and high efficiency when guaranteeing to hoist and mount.
In a preferred scheme, two first brake pieces 210 are oppositely arranged on two sides of the cavity 202, two second electromagnetic brake pieces 107 are oppositely arranged on the outer side of the telescopic arm 1, and the heights of the second electromagnetic brake pieces 107 and the first brake pieces 210 are matched. With the structure, the first brake block 210 and the second electromagnetic brake block 107 are matched to fix the telescopic arm 1, the interval time of stopping the telescopic arm 1 relative to the base arm 2 can be set as the condition that the first brake block 210 and the second electromagnetic brake block 107 are enabled to be triggered to be opened according to the use requirement, meanwhile, in the process of operation, the operation controller is provided with a temporary cancel and long cancel button for movement, namely when the first brake block 210 and the second electromagnetic brake block 107 work and the telescopic arm 1 needs to be slightly shifted for a short distance again, the position can be normally shifted only by pressing the temporary cancel button, then the control box 207 sends a braking signal again according to the set time interval parameter to trigger the first brake block 210 and the second electromagnetic brake block 107 to work, and when the telescopic arm 1 needs to be slightly shifted for a long distance again, the long-term cancel button and the moving button need to be pressed simultaneously to adjust the action, and when the moving is in place, the brake is immediately braked by releasing the brake cancel button.
In a preferred scheme, the limiting frame 12 includes a supporting body 1201, a clamping groove 1202 is disposed in the middle of the supporting body 1201, two ear plates 1203 are symmetrically disposed on two sides of the supporting body 1201, and the ear plates 1203 are fixed to the outer shell 201 through second screws 1204. With the structure, the limiting frame 12 is convenient to use, can play a good mechanical limiting role, and is convenient to detach and maintain.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a hydraulic control cantilever lift system which characterized by: the derrick lifting device comprises a telescopic arm (1) and a basic arm (2), wherein the telescopic arm (1) is slidably arranged in the basic arm (2), a bearing column (13) is arranged on the lower side of the telescopic arm (1), the bearing column (13) is connected with a connecting seat (4) through a driving rotary supporting device (3), the connecting seat (4) is connected with a derrick upper body (11) through a fixing seat (5), and a hydraulic winch assembly (8) is arranged on the lower side of the fixing seat (5);
the telescopic arm is characterized by further comprising a first pulley block (6) and a second pulley block (14), wherein the first pulley block (6) is located on the telescopic arm (1), the second pulley block (14) is located on the bearing column (13), a steel wire rope (15) is connected to the hydraulic winch component (8), and the steel wire rope (15) is wound on the second pulley block (14) and the first pulley block (6) respectively.
2. The pilot operated cantilever lift system of claim 1, wherein: the driving rotation supporting device (3) comprises a fluted disc (301), the fluted disc (301) is fixedly arranged on a bearing column (13), the bearing column (13) penetrates through a connecting seat (4), one side of the fluted disc (301) is connected with a worm (302) in a meshing manner, the worm (302) is fixedly arranged on the connecting seat (4), and the end part of the worm (302) is provided with a hydraulic motor (303).
3. The pilot operated cantilever lift system of claim 2, wherein: connecting seat (4) are including connecting cylinder (404), connect and set firmly flange dish (401) on cylinder (404), the intermediate position of flange dish (401) runs through to be equipped with mounting hole (402), the tip of heel post (13) is worn to establish in mounting hole (402), the upper portion of flange dish (401) is equipped with partition plate (403), partition plate (403) are connected through third screw (407) and spacing dish (405), be equipped with ladder counter bore (406) on partition plate (403), fluted disc (301) are located ladder counter bore (406), worm (302) are located flange dish (401).
4. The pilot operated cantilever lift system of claim 3, wherein: one side of the flange plate (401) is provided with a stop block (9), and the outer side wall of the bearing column (13) is symmetrically provided with two limiting contact plates (10).
5. The pilot operated cantilever lift system of claim 1, wherein: the basic arm (2) comprises an outer shell (201), a cavity (202) is arranged in the outer shell (201), a first slide way (203) is arranged at the bottom of the cavity (202), two second slide ways (204) are arranged on two sides of the cavity (202) in parallel, a through hole (209) and a control box (207) are arranged on the upper portion of the outer shell (201), and a motor assembly (7) penetrates through the through hole (209);
the motor assembly (7) comprises a gear (703), the gear (703) is meshed with the telescopic arm (1) and connected with the telescopic arm, a transmission shaft (702) penetrates through the gear (703), the transmission shaft (702) is located in the through hole (209), the upper part of the transmission shaft (702) is connected with a motor (701), a fixing plate (704) is arranged on the motor (701), and the fixing plate (704) is fixed with the outer shell (201) through a first screw (705);
the upper part of the outer shell (201) is further provided with a limiting groove (208), a limiting frame (12) is detachably connected in the limiting groove (208), and the limiting frame (12) is used for limiting the telescopic arm (1).
6. The pilot operated cantilever lift system of claim 5, wherein: the telescopic arm (1) comprises an arm body (101), a rack (108) is arranged on the upper portion of the arm body (101), the rack (108) is connected with a gear (703) in a meshed mode, a boss (109) is arranged on the lower portion of the arm body (101), the boss (109) is connected with a first slide way (203) in a sliding mode, two sliding plates (102) are arranged on two sides of the arm body (101) in parallel, the sliding plates (102) are arranged in a second slide way (204) in a sliding mode, a limiting plate (103) is further arranged on one side, close to the sliding plates (102), of the arm body (101), and the height of the limiting plate (103) is higher than that of the arm body (101).
7. The pilot operated cantilever lift system of claim 6, wherein: the novel roller mill is characterized in that a groove (104) is formed in the boss (109), a plurality of cylindrical rollers (105) are uniformly distributed in the groove (104), and the cylindrical rollers (105) are arranged in the first slide way (203) in a sliding mode.
8. The pilot operated cantilever lift system of claim 5, wherein: the utility model discloses a telescopic arm, including shell body (201), inboard side of cavity (202), contact plate (205), flexible arm (1) both sides are provided with a plurality of touch bars (106) relatively, the both sides of shell body (201) are provided with a plurality of pilot lamps (206) relatively, and the inboard of cavity (202) is provided with a plurality of contact plates (205) relatively, contact plate (205) and touch bar (106) electrical connection, and the height and the contact plate (205) phase-match of touch bar (106).
9. The pilot operated cantilever lift system of claim 5, wherein: two first brake blocks (210) are oppositely arranged on two sides of the cavity (202), two second electromagnetic brake blocks (107) are oppositely arranged on the outer side of the telescopic arm (1), and the heights of the second electromagnetic brake blocks (107) are matched with those of the first brake blocks (210).
10. The pilot operated cantilever lift system of claim 5, wherein: the limiting frame (12) comprises a supporting body (1201), a clamping groove (1202) is formed in the middle of the supporting body (1201), two side portions of the supporting body (1201) are symmetrically provided with two ear plates (1203) respectively, and the ear plates (1203) are fixed to the outer shell (201) through second screws (1204).
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| CN202111177638.9A CN113928986B (en) | 2021-10-09 | 2021-10-09 | Hydraulic control cantilever lifting system |
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| CN202111177638.9A CN113928986B (en) | 2021-10-09 | 2021-10-09 | Hydraulic control cantilever lifting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118928653A (en) * | 2024-08-15 | 2024-11-12 | 广州文冲船厂有限责任公司 | Marine cranes and ships |
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|---|---|
| CN113928986B (en) | 2024-08-09 |
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