CN116692703B - Boom for municipal engineering pipeline laying - Google Patents
Boom for municipal engineering pipeline laying Download PDFInfo
- Publication number
- CN116692703B CN116692703B CN202310969485.4A CN202310969485A CN116692703B CN 116692703 B CN116692703 B CN 116692703B CN 202310969485 A CN202310969485 A CN 202310969485A CN 116692703 B CN116692703 B CN 116692703B
- Authority
- CN
- China
- Prior art keywords
- seat
- block
- rotating
- rod
- clamping
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims description 49
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 239000000428 dust Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
-
- 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
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
-
- 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
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The application discloses a crane arm for laying municipal engineering pipelines, which relates to the technical field of cranes and comprises a crane, wherein the upper surface of the crane is movably connected with a crane arm, the upper surface of the crane is movably connected with a hydraulic cylinder, the inner cavity of the hydraulic cylinder is slidably connected with a first piston rod, the outer surface of the crane arm is provided with a pulley, a rope is wound on the pulley, and the bottom end of the crane arm is provided with a correction component.
Description
Technical Field
The application relates to the technical field of cranes, in particular to a crane boom for municipal engineering pipeline laying.
Background
The laying of municipal pipelines is a ring which is particularly important in municipal engineering, and comprises the laying of sewer pipelines, the laying of water pipelines and the like, wherein the pipelines are large pipelines or pipelines made of special materials, and when the pipelines are laid, a crane is required to be used for transportation, and the pipelines are lifted by hanging hooks through a crane arm on the crane.
The prior art also has the following problems:
1. in the lifting process of the crane boom, the movement of the crane boom can drive the rope on the crane boom to move, the rope movement can affect the lifted pipeline, after the crane boom is lifted to a proper position and put down, the rope is in a swinging process for a long time, so that the waiting time is too long, the lifting efficiency is affected, and if the lifted pipeline is directly put down, the position of the lifted pipeline is deviated.
2. The crane boom of the crane is exposed in the air in the lifting process and can be full of dust, and part of dust can be brought into the machine in the recycling process, so that the subsequent use of the crane is affected.
3. The lifting arm of the crane can not adjust the body position of the pipeline during lifting, the pipeline is transversely placed, longitudinally placed and even vertically placed on the ground in construction, the lifting appliance on the existing lifting arm can not adjust the direction of the pipeline, and the later stage of conveying to the ground is labor-consuming to adjust.
Disclosure of Invention
According to the crane arm for laying the municipal engineering pipeline, the problem that the movement of the rope can affect the lifted pipeline in the prior art is solved, the rope is exposed in the air and is full of dust, the position of the pipeline can not be adjusted during lifting, the position of the rope is corrected, the rope is cleaned, and the position of the pipeline can be adjusted.
The application provides a boom for laying municipal engineering pipelines, which comprises a crane, wherein the upper surface of the crane is movably connected with a boom, the upper surface of the crane is movably connected with a hydraulic cylinder, the inner cavity of the hydraulic cylinder is slidably connected with a first piston rod, the outer surface of the boom is provided with a pulley, a rope is wound on the pulley, the bottom end of the boom is provided with a correction component, the bottom end of the rope is wound with a hook component, the bottom end of the hook component is hung with a clamping component, the outer surface of the clamping component is movably connected with a limiting strip, the clamping component comprises a rotating mechanism, the bottom end of the rotating mechanism is movably connected with a first connecting strip, the bottom end of the first connecting strip is movably connected with a second connecting strip, the middle part of the second connecting strip is provided with a second connecting shaft, one end of the second connecting strip, which is far away from the first connecting strip, is fixedly provided with a clamping arm, the outer surface of the clamping arm is fixedly provided with a hand-pulling block, the bottom end of the clamping arm is rotatably connected with a second rotating rod, the bottom end of the clamping arm is provided with a first rotating rod, the second rotating rod is fixedly provided with a second rotating rod, and the other end of the first rotating rod is fixedly provided with a second rotating rod.
Further, correct the subassembly and including correcting the frame, correct frame and horn sliding connection, one side fixedly connected with first spring of frame, the one end fixedly connected with first fixed block of frame is kept away from to first spring, the inner wall of correcting the frame rotates and is connected with first dwang, the middle part fixed mounting of first dwang has the stopper, correction mechanism has been cup jointed to the surface of first dwang, the top sliding connection of correcting the frame has the slide, the both ends fixed mounting of slide has the connecting block, one side fixedly connected with second spring that the connecting block is close to the frame, the bottom fixed mounting of slide has the correction connecting ball, the bottom of correcting the frame is provided with first connecting axle, the surface of first connecting axle has cup jointed the cleaning brush, the inner wall of cleaning brush is provided with the brush hair.
Further, the first fixed block is fixedly connected with the horn, the bottom end of the correcting connecting ball is positioned in the inner cavity of the correcting mechanism, and the rope penetrates through the correcting mechanism and the cleaning brush.
Further, the correction mechanism comprises a wobble plate, the spread groove has been seted up to the middle part of wobble plate, the spacing groove has been seted up to the middle part of wobble plate, spacing groove and stopper cup joint, spread groove and first dwang cup joint, and wobble plate and first dwang swing joint, the adjusting ring has been cup jointed at the both ends of wobble plate, the second fixed block has been seted up to the surface of wobble plate, the surface fixed mounting of adjusting ring has first spacing hole, the gag lever post has been inserted to the inner chamber of first spacing hole, one side fixed mounting that the gag lever post is close to the wobble plate has the fixed lantern ring, the surface of gag lever post has cup jointed the third spring, the third spring is located between first spacing hole and the fixed lantern ring, gag lever post and second fixed block cartridge, the adjusting ring has two, the rope passes between two adjusting rings, and laminating with the surface of wobble plate, the changeover lever middle section both sides are sunken, and sunken department and spread groove laminating.
Further, the couple subassembly includes the link, the bottom fixed mounting of link has the hoist, the antiskid line has been seted up to the inner wall of hoist, the bottom winding of rope is on the top of link, the fixed cup joint in hoist and rotary mechanism's top.
Further, the second connecting strip is alternately movably connected, all through second connecting axle swing joint between first connecting strip and the second connecting strip, the both ends of first grip block all are provided with the recess, the both ends of second grip block all are provided with the lug, the recess aligns with the lug, the fixed slot has been seted up to the bottom of spacing, the second connecting axle block of fixed slot and second connecting strip intersection department.
Further, rotary mechanism includes first connecting seat, the top fixed mounting of first connecting seat has rings, the upper surface fixed of first connecting seat is provided with the cylinder, the inner chamber sliding connection of cylinder has the second piston rod, the one end fixedly connected with rack of cylinder is kept away from to the second piston rod, one side of rack is provided with the gear, the lower fixed surface of gear installs the rotation seat, the surface fixed mounting who rotates the seat has the movable rod.
Further, rack and rings sliding connection, rack and gear engagement, rotate seat and first connecting seat rotation connection, rings and hoist articulates, the top and the movable rod swing joint of first connecting strip, the top and the movable rod rotation connection of spacing.
Further, steering mechanism includes the second connecting seat, the bottom fixed mounting of second connecting seat has the carousel, the second spacing hole has been seted up to the upper surface of carousel, the bottom fixed mounting of carousel has the hand driving lever, the inner chamber of centre gripping arm has inserted spacing seat, the surface of spacing seat has cup jointed the fourth spring, the upper surface sliding connection of centre gripping arm has the slider, first bevel gear has been cup jointed to the fixed one end of second dwang, the fixed second bevel gear that has cup jointed of upper surface of second connecting seat.
Further, second spacing hole and spacing seat cartridge, the one end and the centre gripping arm fixed connection of fourth spring, the other end and the spacing seat fixed connection of fourth spring, the below of spacing seat is provided with the fixture block, the top of slider is provided with the draw-in groove, slider upper surface slope, the draw-in groove has two, and is located the both ends of slider upper surface respectively, draw-in groove and fixture block joint, first bevel gear and second bevel gear meshing, spacing seat and second spacing hole break away from the cartridge when the draw-in groove card on fixture block and slider top of spacing seat below.
The technical scheme provided by the application has at least the following technical effects or advantages:
1. the correction component is adopted, so that the problem that the lifting arm of the crane can drive the rope on the lifting arm to move in the lifting process, the rope movement can affect the lifted pipeline, after the lifting is put down to a proper position, the rope is in a swinging process for a long time, the waiting time is overlong, the lifting efficiency is affected, if the lifted pipeline is directly put down, the deviation of the lifted pipeline position can be caused, the correction component is used for rapidly correcting the deviation of the rope position in the lifting process, so that the lifted pipeline can be rapidly conveyed to a construction position, the swinging time of the pipeline in the air is reduced, and the transportation efficiency is improved.
2. Due to the adoption of the correction component, the problem that the lifting arm of the crane is fully stained with dust when being exposed in the air in the lifting process is effectively solved, and part of dust can be brought into the crane in the recycling process to influence the subsequent use of the crane.
3. The clamping assembly is adopted, so that the problem that the body position of the pipeline cannot be adjusted when the crane boom of the crane is lifted is solved, the pipeline is transversely placed, longitudinally placed and even vertically placed on the ground in construction, the direction of the pipeline cannot be adjusted by the lifting appliance on the existing crane boom, and the time and effort are wasted when the crane boom is transported to the ground in the later stage for adjustment.
Drawings
FIG. 1 is a schematic view of the whole structure of a first embodiment of the present application;
FIG. 2 is a schematic diagram of a hydraulic cylinder according to a first embodiment of the present application;
FIG. 3 is a schematic view of a hook assembly according to a first embodiment of the present application;
FIG. 4 is a schematic view of a correction module according to a first embodiment of the present application;
FIG. 5 is a schematic view of a first spring structure according to a first embodiment of the present application;
FIG. 6 is a schematic view of a cleaning brush according to a first embodiment of the present application;
FIG. 7 is a schematic diagram of a correction mechanism according to a first embodiment of the present application;
FIG. 8 is an enlarged schematic view of the structure A in FIG. 7 according to the first embodiment of the present application;
FIG. 9 is a schematic diagram of a clamping assembly according to a second embodiment of the present application;
FIG. 10 is a schematic diagram of a rotation mechanism according to a second embodiment of the present application;
FIG. 11 is a schematic diagram of a second clamping block according to a second embodiment of the present application;
FIG. 12 is an enlarged schematic view of the structure B in FIG. 11 according to a second embodiment of the present application;
fig. 13 is a schematic sectional view of a part of a clamping arm according to a second embodiment of the present application.
In the figure: 1. a crane; 2. a horn; 3. a hydraulic cylinder; 4. a first piston rod; 5. a rope; 6. a corrective component; 61. a correction rack; 62. a first spring; 63. a first fixed block; 64. a first rotating lever; 65. a limiting block; 66. a correction mechanism; 661. a wobble plate; 662. a connecting groove; 663. a limit groove; 664. an adjusting ring; 665. a second fixed block; 666. a first limiting hole; 667. a limit rod; 668. a fixed collar; 669. a third spring; 67. a slide plate; 68. a connecting block; 69. a second spring; 610. correcting the connecting ball; 611. a first connecting shaft; 612. a cleaning brush; 613. brushing; 7. a hook assembly; 71. a connecting frame; 72. a lifting appliance; 8. a clamping assembly; 81. a rotation mechanism; 811. a first connection base; 812. a hanging ring; 813. a cylinder; 814. a second piston rod; 815. a rack; 816. a gear; 817. a rotating seat; 818. a movable rod; 82. a first connecting bar; 83. a second connecting bar; 84. a second connecting shaft; 85. a clamping arm; 86. a hand-pulling block; 87. a second rotating lever; 88. a steering mechanism; 881. a second connecting seat; 882. a turntable; 883. a second limiting hole; 884. a hand lever; 885. a limit seat; 886. a fourth spring; 887. a slide block; 888. a first bevel gear; 889. a second bevel gear; 89. a first clamping block; 810. a second clamping block; 9. and a limit strip.
Detailed Description
For rope deflection in lifting, the rope is corrected by the correction component, so that a lifted pipeline can be quickly transported to a construction position; the rope is exposed in the air and is full of dust in the lifting process, and the rope is cleaned through the correction assembly; for the situation that the body position of the pipeline cannot be adjusted during lifting, the clamping assembly can be used for adjusting the body position of the pipeline.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Embodiment one:
referring to fig. 1, fig. 2 and fig. 9, the boom for laying municipal engineering pipelines comprises a crane 1, the upper surface swing joint of the crane 1 is provided with a boom 2, the upper surface swing joint of the crane 1 is provided with a hydraulic cylinder 3, the inner cavity of the hydraulic cylinder 3 is slidably connected with a first piston rod 4, the first piston rod 4 is used for being matched with the boom 2 to move, the outer surface of the boom 2 is provided with a pulley, a rope 5 is wound on the pulley, the bottom end of the boom 2 is provided with a correction component 6, the bottom end of the rope 5 is wound with a hook component 7, the bottom end of the hook component 7 is hung with a clamping component 8, the outer surface swing joint of the clamping component 8 is provided with a limit strip 9, the pipeline is clamped through the clamping component 8 in the process of lifting the pipeline by the crane 1, the hook component 7 is lifted by the hook component 7, the pipeline is lifted by the crane 1 in cooperation with the hydraulic cylinder 3, the position correction of the rope 5 is ensured not to deviate when the rope 5 moves, and the position difference of the clamping component 8 is prevented from falling to the ground.
Referring to fig. 3, 4, 5 and 6, the correcting unit 6 includes a correcting rack 61, the correcting rack 61 and the arm 2 are slidably connected, a first spring 62 is fixedly connected to one side of the correcting rack 61, one end of the first spring 62 away from the correcting rack 61 is fixedly connected with a first fixing block 63, the inner wall of the correcting rack 61 is rotatably connected with a first rotating rod 64, a limit block 65 is fixedly mounted in the middle of the first rotating rod 64, the outer surface of the first rotating rod 64 is sleeved with a correcting mechanism 66, the top end of the correcting rack 61 is slidably connected with a sliding plate 67, two ends of the sliding plate 67 are fixedly provided with connecting blocks 68, one side of the connecting block 68 close to the correcting rack 61 is fixedly connected with a second spring 69, the bottom end of the sliding plate 67 is fixedly provided with a correcting connecting ball 610, the bottom end of the correcting rack 61 is provided with a first connecting shaft 611, the outer surface of the first connecting shaft 611 is sleeved with a cleaning brush 612, the inner wall of the cleaning brush 612 is provided with bristles 613, the first fixing block 63 is fixedly connected with the horn 2, the bottom end of the correcting connecting ball 610 is positioned in the inner cavity of the correcting mechanism 66, the rope 5 passes through the correcting mechanism 66 and the cleaning brush 612, thus the correcting mechanism 66 can tilt and shake on the first rotating rod 64, when the crane 1 lifts a pipeline, the lifting arm moves to swing the rope 5, by placing the rope 5 between the correcting mechanisms 66, when the rope 5 swings in the lifting process, the correcting mechanism 66 is driven to swing on the first rotating rod 64, the correcting rack 61 is in sliding connection with the horn 2, the first fixing block 63 is fixedly connected with the horn 2, the whole correcting rack 61 is extruded under the elasticity of the first spring 62, the rope 5 is always contacted with the correcting mechanism 66, the correcting connecting ball 610 is driven to move when the correcting mechanism 66 swings, the correcting connecting ball 610 is driven to move, and the sliding plate 67 is driven to move on the correcting rack 61, the movement of the slide plate 67 drives the connecting block 68 to move, the movement of the connecting block 68 drives one end of the second spring 69 to be extruded, the other second spring 69 is pulled to lift the slide plate 67 to be balanced, the correcting mechanism 66 is driven to keep the correcting connection ball 610 balanced, the rope 5 is limited in movement when the rope 5 shakes, the position of the rope 5 can be corrected timely when the rope is deflected, the pipeline which needs to wait for a long time for lifting in the lifting process of the pipeline is prevented from being kept stable and can be put in the corresponding position, the cleaning brush 612 on the first connecting shaft 611 is used for cleaning the outer surface of the rope 5, the outer surface of the rope 5 can be cleaned and kept clean after the rope 5 is recovered, and the crane 1 is prevented from being polluted by dust.
Referring to fig. 3, 7 and 8, the correcting mechanism 66 includes a wobble plate 661, a connecting groove 662 is provided at the middle part of the wobble plate 661, a limit groove 663 is provided at the middle part of the wobble plate 661, the limit groove 663 is sleeved with a limit block 65, the connecting groove 662 is sleeved with a first rotating rod 64, the wobble plate 661 is movably connected with the first rotating rod 64, two ends of the wobble plate 661 are sleeved with adjusting rings 664, the outer surface of the wobble plate 661 is provided with a second fixing block 665, the outer surface of the adjusting ring 664 is fixedly provided with a first limit hole 666, the inner cavity of the first limit hole 666 is inserted with a limit rod 667, one side of the limit rod 667 close to the wobble plate 661 is fixedly provided with a fixing collar 668, the outer surface of the limit rod 667 is sleeved with a third spring 669, the third spring 669 is positioned between the first limit hole 666 and the fixing collar 668, the limit rod 667 and the second fixing block 665 are inserted, the two adjusting rings 664 are arranged, the rope 5 passes through the space between the two adjusting rings 664 and is jointed with the outer surface of the swinging plate 661, the two sides of the middle section of the first rotating rod 64 are sunken and are jointed with the connecting groove 662, the hook component 7 comprises a connecting frame 71, a lifting appliance 72 is fixedly arranged at the bottom end of the connecting frame 71, anti-slip lines are arranged on the inner wall of the lifting appliance 72, the bottom end of the rope 5 is wound on the top end of the connecting frame 71, the lifting appliance 72 is fixedly sleeved with the top end of the rotating mechanism 81, the rope 5 is in swinging in the correcting component 6, but when the diameter of the rope 5 and the inner cavity of the correcting component 6 are too large, the rope 5 is difficult to correct in position, the limiting rod 667 is pulled to enable the fixing sleeve ring 668 to press a third spring 669, at the moment, the limiting rod 667 and the second fixing block 665 are separated from being inserted, the position of the sliding adjusting ring 664 on the swinging plate 661 is in a proper position, at this time, the elastic force of the third spring 669 extrudes the fixed collar 668 to insert the second fixed block 665 and the limiting rod 667 again, and the adjusting rings 664 are adjusted to enable the gaps between the adjusting rings 664 to accommodate the ropes 5, so that when the crane 1 swings the pipeline ropes 5, the correcting mechanism 66 relatively tends to be balanced through the elastic force of the second spring 69, and the ropes 5 swing to enable the pipeline to be difficult to be quickly put in a lifting and falling place.
Embodiment two:
referring to fig. 9, the clamping assembly 8 includes a rotating mechanism 81, a first connecting bar 82 is movably connected to the bottom end of the rotating mechanism 81, a second connecting bar 83 is movably connected to the bottom end of the first connecting bar 82, a second connecting shaft 84 is disposed in the middle of the second connecting bar 83, the second connecting bar 83 is rotatably connected to the second connecting shaft 84, a clamping arm 85 is fixedly mounted at one end of the second connecting bar 83 far away from the first connecting bar 82, a hand-pulling block 86 is fixedly mounted on the outer surface of the clamping arm 85, a second rotating rod 87 is rotatably connected to the bottom end of the clamping arm 85, a steering mechanism 88 is disposed at the bottom end of the clamping arm 85, two second rotating rods 87 are provided, a first clamping block 89 is fixedly mounted at one end of the second rotating rod 87, a second clamping block 810 is fixedly mounted at one end of the other second rotating rod 87, and the second connecting bars 83 are movably connected in a cross manner, the first connecting bar 82 and the second connecting bar 83 are movably connected through the second connecting shaft 84, grooves are formed at two ends of the first clamping block 89, protruding blocks are arranged at two ends of the second clamping block 810, the grooves are aligned with the protruding blocks, a fixed groove is formed at the bottom end of the limiting bar 9, the second connecting shaft 84 at the intersection of the fixed groove and the second connecting bar 83 is clamped, the limiting bar 9 is taken out of the second connecting shaft 84 when the pipeline is lifted, at this time, the first clamping block 89 and the second clamping block 810 are mutually close under the condition of self gravity, when the rotating mechanism 81 is lifted by the hook component 7 by placing the pipeline between the first clamping block 89 and the second clamping block 810, the first connecting bar 82 rotates, the second connecting bar 83 is driven to rotate by the rotation of the first connecting bar 82, the clamping arm 85 is driven to be mutually extruded by the rotation of the second connecting bar 83, the pipeline is driven to be lifted by the first clamping block 89 and the second clamping block 810, the rotating mechanism 81 can rotate the position of the pipeline, the steering mechanism 88 can horizontally place the pipeline, and the pipeline can also be vertically placed, so that the pipeline is put in according to the laying requirement of the pipeline.
Referring to fig. 9 and 10, the rotating mechanism 81 includes a first connecting seat 811, a hanging ring 812 is fixedly mounted at the top end of the first connecting seat 811, a cylinder 813 is fixedly disposed on the upper surface of the first connecting seat 811, a second piston rod 814 is slidingly connected to the inner cavity of the cylinder 813, a rack 815 is fixedly connected to one end of the second piston rod 814 away from the cylinder 813, a gear 816 is disposed on one side of the rack 815, a rotating seat 817 is fixedly mounted on the lower surface of the gear 816, a movable rod 818 is fixedly mounted on the outer surface of the rotating seat 817, the rack 815 and the hanging ring 812 are slidingly connected, the rack 815 is meshed with the gear 816, the rotating seat 817 is rotationally connected with the first connecting seat 811, the hanging ring 812 and the hanging ring 72 are connected with each other, the top end of the first connecting strip 82 is movably connected with the movable rod 818, when the hanging ring 812 needs to fall to the ground, the floor angle of the pipeline needs to be adjusted, quick construction is needed in municipal engineering, the second piston rod 814 is driven to move in the inner cavity of the cylinder 813 through the operation of the cylinder 813, the movement of the second piston rod 814 drives the gear 815 to move, the gear 816 is driven to rotate, the gear 818 is driven to rotate, and the movable rod 818 is driven to rotate on the movable rod 818, and finally, the movable rod is driven to rotate the movable rod 818 to rotate, and the movable rod is driven to rotate.
Referring to fig. 11, 12 and 13, the steering mechanism 88 includes a second connecting seat 881, a rotary table 882 is fixedly installed at the bottom end of the second connecting seat 881, a second limiting hole 883 is provided at the upper surface of the rotary table 882, a hand lever 884 is fixedly installed at the bottom end of the rotary table 882, a limiting seat 885 is inserted into an inner cavity of the clamping arm 85, a fourth spring 886 is sleeved on the outer surface of the limiting seat 885, a sliding block 887 is slidingly connected to the upper surface of the clamping arm 85, a first bevel gear 888 is fixedly sleeved at one end of the second rotating rod 87, a second bevel gear 889 is fixedly sleeved on the upper surface of the second connecting seat 881, the second limiting hole 883 is inserted into the limiting seat 885, one end of the fourth spring 886 is fixedly connected with the clamping arm 85, the other end of the fourth spring 886 is fixedly connected with the limiting seat 885, a clamping block is provided below the limiting seat 885, a clamping groove is provided above the sliding block 887, the upper surface of the sliding block 887 is inclined, and the clamping grooves and the clamping blocks are respectively positioned at two ends of the upper surface of the sliding block 887, the first bevel gear 888 is meshed with the second bevel gear 889, the clamping blocks below the limiting seat 885 are separated from the inserting connection with the second limiting hole 883 when the clamping blocks and the clamping grooves at the top end of the sliding block 887 are clamped, when a pipeline is paved, the pipeline is required to be vertically placed sometimes, the manual transportation takes time and labor, the clamping arms 85 are kept in a relatively stable state by the hand-held shifting block 86 during adjustment, the clamping grooves at the top end of the sliding block 887 are clamped with the clamping blocks on the limiting seat 885 by pushing the sliding block 887, the sliding blocks 887 at two ends are adjusted, at the moment, the limiting seat 885 and the second limiting hole 883 are separated from the inserting connection, the rotating hand-shifting rod 884 rotates the turntable 882, the rotating of the turntable 882 drives the second connecting seat 881 to rotate, the rotating of the second connecting seat 881 drives the second bevel gear 889 to rotate, and the rotating of the second bevel gear 889 drives the first bevel gear 888 to rotate, the rotation of the first bevel gear 888 drives the second rotating rod 87 to rotate, so that the first clamping block 89 and the second clamping block 810 rotate, the sliding block 887 is restored to the original position after rotating, the limiting seat 885 and the turntable 882 are inserted, the second rotating rod 87 is convenient to keep stable, and the pipeline is vertically placed in a required place.
In summary, when the crane 1 is lifting a pipeline, the lifting arm moves to swing the rope 5, by placing the rope 5 between the straightening mechanisms 66, when the rope 5 swings in the lifting process, the straightening mechanisms 66 are driven to swing on the first rotating rods 64, when the straightening mechanisms 66 swing, the connecting blocks 68 are driven to move, one ends of the second springs 69 are extruded by the movement of the connecting blocks 68, the sliding plates 67 are kept balanced by the pulling force of the other second springs 69, the straightening connecting balls 610 are driven to keep balanced, when the rope 5 swings, the straightening mechanisms 66 limit the movement of the rope 5, the positions of the rope 5 can be corrected in time, the cleaning brushes 612 on the first connecting shafts 611 are used for cleaning the outer surfaces of the rope 5, the fixing collars 668 are extruded by the third springs 669 by pulling the limiting rods 667, at this time, the limiting rod 667 and the second fixed block 665 are separated from and engaged with each other, the position of the adjusting ring 664 on the swinging disc 661 is slid, the rope 5 can be accommodated in the gap between the adjusting rings 664 by adjusting the position of the adjusting rings 664, the correction mechanism 66 relatively tends to be balanced by the elasticity of the second spring 69 when the crane 1 swings the pipeline rope 5, the limiting strip 9 is taken out from the second connecting shaft 84 when the pipeline is lifted, the first clamping block 89 and the second clamping block 810 clamp and lift the pipeline, the landing angle of the pipeline needs to be adjusted when the lifting needs to be landed, the pipeline is convenient to lay, the rack 815 is driven to move by the operation of the cylinder 813, the gear 816 is driven to rotate by the movement of the rack 815, the movable rod 818 is driven to rotate by the rotation of the gear 816, the first connecting strip 82 on the movable rod 818 is driven to rotate, and finally the landing angle of the pipeline is driven to change, the clamping groove at the top end of the sliding block 887 is clamped with the clamping block on the limiting seat 885 by pushing the sliding block 887, the sliding blocks 887 at the two ends are adjusted, at the moment, the limiting seat 885 and the second limiting hole 883 are separated from the insertion connection, the rotary hand lever 884 is rotated to enable the rotary disc 882 to rotate, the rotary disc 882 rotates to drive the first bevel gear 888, the rotation of the first bevel gear 888 drives the second rotary rod 87 to rotate, and accordingly the first clamping block 89 and the second clamping block 810 rotate to vertically place a pipeline in a place where the pipeline is needed, and subsequent construction and paving are facilitated.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be able to apply equivalents and modifications according to the technical scheme and the concept of the present application within the scope of the present application.
Claims (5)
1. The utility model provides a jib loading boom that municipal works pipeline laid, includes hoist (1), its characterized in that, the upper surface swing joint of hoist (1) has horn (2), the upper surface swing joint of hoist (1) has pneumatic cylinder (3), the inner chamber sliding connection of pneumatic cylinder (3) has first piston rod (4), the surface of horn (2) is provided with the pulley, the winding has rope (5) on the pulley, the bottom of horn (2) is provided with correction subassembly (6), the bottom winding of rope (5) has couple subassembly (7), clamping assembly (8) have been hung to the bottom of couple subassembly (7), the surface swing joint of clamping assembly (8) has spacing (9);
the clamping assembly (8) comprises a rotating mechanism (81), a first connecting bar (82) is movably connected to the bottom end of the rotating mechanism (81), a second connecting bar (83) is movably connected to the bottom end of the first connecting bar (82), a second connecting shaft (84) is arranged at the middle part of the second connecting bar (83), the second connecting bar (83) and the second connecting shaft (84) are rotationally connected, a clamping arm (85) is fixedly mounted at one end, far away from the first connecting bar (82), of the second connecting bar (83), a hand-pulling block (86) is fixedly mounted on the outer surface of the clamping arm (85), a second rotating rod (87) is rotationally connected to the bottom end of the clamping arm (85), a steering mechanism (88) is arranged at the bottom end of the clamping arm (85), two second rotating rods (87), a first clamping block (89) is fixedly mounted at one end of each second rotating rod (87), and a second clamping block (810) is fixedly mounted at one end of the other second rotating rod (87).
The second connecting strips (83) are in cross movable connection, the first connecting strips (82) and the second connecting strips (83) are all in movable connection through second connecting shafts (84), grooves are formed in two ends of the first clamping blocks (89), protruding blocks are arranged at two ends of the second clamping blocks (810), the grooves are aligned with the protruding blocks, fixing grooves are formed in the bottom ends of the limiting strips (9), and the second connecting shafts (84) at the crossing positions of the fixing grooves and the second connecting strips (83) are clamped;
the rotating mechanism (81) comprises a first connecting seat (811), a lifting ring (812) is fixedly arranged at the top end of the first connecting seat (811), an air cylinder (813) is fixedly arranged on the upper surface of the first connecting seat (811), a second piston rod (814) is slidably connected to an inner cavity of the air cylinder (813), a rack (815) is fixedly connected to one end, far away from the air cylinder (813), of the second piston rod (814), a gear (816) is arranged on one side of the rack (815), a rotating seat (817) is fixedly arranged on the lower surface of the gear (816), and a movable rod (818) is fixedly arranged on the outer surface of the rotating seat (817);
the rack (815) is in sliding connection with the lifting ring (812), the rack (815) is meshed with the gear (816), the rotating seat (817) is in rotating connection with the first connecting seat (811), the lifting ring (812) is in hanging connection with the lifting tool (72), the top end of the first connecting strip (82) is in movable connection with the movable rod (818), and the top end of the limiting strip (9) is in rotating connection with the movable rod (818);
the steering mechanism (88) comprises a second connecting seat (881), a turntable (882) is fixedly arranged at the bottom end of the second connecting seat (881), a second limiting hole (883) is formed in the upper surface of the turntable (882), a hand-pulling rod (884) is fixedly arranged at the bottom end of the turntable (882), a limiting seat (885) is inserted into an inner cavity of the clamping arm (85), a fourth spring (886) is sleeved on the outer surface of the limiting seat (885), a sliding block (887) is connected with the upper surface of the clamping arm (85) in a sliding manner, a first bevel gear (888) is fixedly sleeved at one end of the second rotating rod (87), and a second bevel gear (889) is fixedly sleeved on the upper surface of the second connecting seat (881);
the utility model discloses a clamping device for a bevel gear, including first spring (888) and second bevel gear, second spacing hole (883) and spacing seat (885) cartridge, the one end and clamping arm (85) fixed connection of fourth spring (886), the other end and spacing seat (885) fixed connection of fourth spring (886), the below of spacing seat (885) is provided with the fixture block, the top of slider (887) is provided with the draw-in groove, slider (887) upper surface slope, the draw-in groove has two, and is located the both ends of slider (887) upper surface respectively, draw-in groove and fixture block joint, the fixture block of spacing seat (885) below and the draw-in groove joint on slider (887) top limit seat (885) and second spacing hole (883) break away from the cartridge.
2. The boom for municipal works pipeline laying according to claim 1, wherein the correction assembly (6) comprises a correction frame (61), correction frame (61) and horn (2) sliding connection, one side fixedly connected with first spring (62) of correction frame (61), one end fixedly connected with first fixed block (63) of correction frame (61) are kept away from to first spring (62), the inner wall rotation of correction frame (61) is connected with first dwang (64), the mid position fixed mounting of first dwang (64) has stopper (65), correction mechanism (66) have been cup jointed to the surface of first dwang (64), the top sliding connection of correction frame (61) has slide (67), the both ends fixedly mounted of slide (67) have connecting block (68), one side fixedly connected with second spring (69) that is close to correction frame (61) of connecting block (68), the bottom fixedly mounted of slide (67) has correction connecting ball (610), the bottom of correction frame (61) is provided with first axle (611), first brush (612) has cup jointed brush hair (612) outer surface (612).
3. The boom for municipal works pipe laying according to claim 2, wherein the first fixing block (63) is fixedly connected with the boom (2), the bottom end of the straightening connecting ball (610) is positioned in the inner cavity of the straightening mechanism (66), and the rope (5) passes through the straightening mechanism (66) and the cleaning brush (612).
4. The boom for municipal works pipeline laying according to claim 3, wherein the correction mechanism (66) comprises a wobble plate (661), a connecting groove (662) is formed in the middle of the wobble plate (661), a limit rod (663) is formed in the middle of the wobble plate (661), the limit groove (663) is sleeved with a limit block (65), the connecting groove (662) is sleeved with a first rotating rod (64), the wobble plate (661) is movably connected with the first rotating rod (64), regulating rings (664) are sleeved at two ends of the wobble plate (661), a second fixing block (665) is formed in the outer surface of the wobble plate (661), a first limit hole (666) is fixedly arranged on the outer surface of the regulating ring (664), a limit rod (667) is inserted into an inner cavity of the first limit hole (666), one side of the limit rod (667) close to the wobble plate (661) is fixedly provided with a fixing collar (668), a third spring (669) is sleeved on the outer surface of the limit rod (667), the third spring (669) is sleeved with the regulating ring (664) and penetrates through the position between the first fixing collar (665) and the second fixing block (664), and is attached to the outer surface of the wobble plate (661), the two sides of the middle section of the first rotating rod (64) are recessed, and the recessed parts are attached to the connecting grooves (662).
5. The boom for municipal works pipe laying according to claim 1, wherein the hanger assembly (7) comprises a connecting frame (71), a hanger (72) is fixedly installed at the bottom end of the connecting frame (71), anti-slip lines are formed in the inner wall of the hanger (72), the bottom end of the rope (5) is wound on the top end of the connecting frame (71), and the top ends of the hanger (72) and the rotating mechanism (81) are fixedly sleeved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310969485.4A CN116692703B (en) | 2023-08-03 | 2023-08-03 | Boom for municipal engineering pipeline laying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310969485.4A CN116692703B (en) | 2023-08-03 | 2023-08-03 | Boom for municipal engineering pipeline laying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116692703A CN116692703A (en) | 2023-09-05 |
| CN116692703B true CN116692703B (en) | 2023-10-27 |
Family
ID=87826111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310969485.4A Active CN116692703B (en) | 2023-08-03 | 2023-08-03 | Boom for municipal engineering pipeline laying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116692703B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119503645B (en) * | 2024-10-08 | 2025-11-21 | 安徽合矿智能科技有限公司 | Oil-electricity hybrid double-power grabbing machine |
| CN119503646B (en) * | 2024-10-17 | 2025-09-30 | 安徽合矿智能科技有限公司 | A pure electric powered grabber |
| CN119612335B (en) * | 2025-02-14 | 2025-04-29 | 江苏达为钢结构有限公司 | Steel structure machining lifting clamp |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2440631A1 (en) * | 1974-08-24 | 1976-03-04 | Klaus Faeser | MOBILE CRANE LIFTING DEVICE |
| SU1089039A1 (en) * | 1982-10-18 | 1984-04-30 | Криворожский Ордена Трудового Красного Знамени Горнорудный Институт | Crane |
| CN202165785U (en) * | 2011-08-11 | 2012-03-14 | 周叶民 | Lubricator of steel wire ropes |
| CN205076679U (en) * | 2015-10-30 | 2016-03-09 | 湖州洋西起重设备有限公司 | Cable pulley head end with guide rail cleaning function |
| CN108217443A (en) * | 2017-12-26 | 2018-06-29 | 马鞍山市鑫龙特钢有限公司 | A kind of steel ingot clamping device |
| CN210418977U (en) * | 2019-08-23 | 2020-04-28 | 嘉兴南华无纺材料有限公司 | Non-woven fabric production workshop is with having protector's line and hanging |
| CN210438277U (en) * | 2019-04-17 | 2020-05-01 | 中铁建大桥工程局集团第三工程有限公司 | High mound owner muscle hoist device of bridge |
| CN210795604U (en) * | 2019-08-22 | 2020-06-19 | 漳州市横星机械设备有限公司 | Hoist engine for building engineering |
| CN111320069A (en) * | 2018-12-14 | 2020-06-23 | 新兴重工湖北三六一一机械有限公司 | Tool for hoisting sand core |
| CN213738430U (en) * | 2020-11-27 | 2021-07-20 | 云南庞通建筑工程有限公司 | Dust-free automatic brick receiving and unloading machine |
| CN214456373U (en) * | 2020-11-27 | 2021-10-22 | 衡阳保丰建筑有限责任公司 | High-efficient rotatory portable construction equipment hoist device |
| CN215287687U (en) * | 2021-06-02 | 2021-12-24 | 河南科特尔机械制造有限公司 | Lifting appliance for lifting anode carbon blocks |
| CN216038211U (en) * | 2022-02-11 | 2022-03-15 | 河南九九智能电气集团有限公司 | Anti-swing grab trolley |
| CN114890323A (en) * | 2022-03-31 | 2022-08-12 | 中原城建集团有限公司 | Simple hoisting equipment for house building construction |
-
2023
- 2023-08-03 CN CN202310969485.4A patent/CN116692703B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2440631A1 (en) * | 1974-08-24 | 1976-03-04 | Klaus Faeser | MOBILE CRANE LIFTING DEVICE |
| SU1089039A1 (en) * | 1982-10-18 | 1984-04-30 | Криворожский Ордена Трудового Красного Знамени Горнорудный Институт | Crane |
| CN202165785U (en) * | 2011-08-11 | 2012-03-14 | 周叶民 | Lubricator of steel wire ropes |
| CN205076679U (en) * | 2015-10-30 | 2016-03-09 | 湖州洋西起重设备有限公司 | Cable pulley head end with guide rail cleaning function |
| CN108217443A (en) * | 2017-12-26 | 2018-06-29 | 马鞍山市鑫龙特钢有限公司 | A kind of steel ingot clamping device |
| CN111320069A (en) * | 2018-12-14 | 2020-06-23 | 新兴重工湖北三六一一机械有限公司 | Tool for hoisting sand core |
| CN210438277U (en) * | 2019-04-17 | 2020-05-01 | 中铁建大桥工程局集团第三工程有限公司 | High mound owner muscle hoist device of bridge |
| CN210795604U (en) * | 2019-08-22 | 2020-06-19 | 漳州市横星机械设备有限公司 | Hoist engine for building engineering |
| CN210418977U (en) * | 2019-08-23 | 2020-04-28 | 嘉兴南华无纺材料有限公司 | Non-woven fabric production workshop is with having protector's line and hanging |
| CN213738430U (en) * | 2020-11-27 | 2021-07-20 | 云南庞通建筑工程有限公司 | Dust-free automatic brick receiving and unloading machine |
| CN214456373U (en) * | 2020-11-27 | 2021-10-22 | 衡阳保丰建筑有限责任公司 | High-efficient rotatory portable construction equipment hoist device |
| CN215287687U (en) * | 2021-06-02 | 2021-12-24 | 河南科特尔机械制造有限公司 | Lifting appliance for lifting anode carbon blocks |
| CN216038211U (en) * | 2022-02-11 | 2022-03-15 | 河南九九智能电气集团有限公司 | Anti-swing grab trolley |
| CN114890323A (en) * | 2022-03-31 | 2022-08-12 | 中原城建集团有限公司 | Simple hoisting equipment for house building construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116692703A (en) | 2023-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116692703B (en) | Boom for municipal engineering pipeline laying | |
| CN107869315B (en) | Automatic change workover rig | |
| CN204505254U (en) | Collapsible clamping jaw device | |
| CN105947660A (en) | Movable adjustable transporting device | |
| CN103452502A (en) | Automatic transfer device for inclined-vertical shaft drilling machines and drilling tools | |
| CN204703797U (en) | The drill stem conveying device of jumbo | |
| CN114084807B (en) | Tubular pile vacuum chuck crane and use method thereof | |
| CN103922135B (en) | One kind always spells offline flexible hanger device | |
| CN114622705B (en) | Building scaffold with clamping self-locking structure | |
| CN106703718A (en) | Sucker rod running and pulling device and sucker rod running and pulling system | |
| CN219363058U (en) | Rocker suspension crane for building construction | |
| CN205892171U (en) | Trigger on brick die | |
| CN105544940A (en) | Wall and ground construction auxiliary system and vertical calibration method thereof | |
| CN112554812A (en) | Auxiliary rod changing system capable of automatically leveling and control method thereof | |
| CN209129555U (en) | A kind of automatic handgrip of drilling rod and full-automatic upper drilling rod mechanical arm | |
| CN214221123U (en) | Automatic loading and unloading drilling rod mechanism | |
| CN116119512B (en) | A cable crane hoisting sling for hoisting a basket arch | |
| JP2022176463A (en) | Truck equipped with rail feeding device | |
| CN209551701U (en) | A kind of cantilevered manipulator | |
| CN219751634U (en) | Grabbing device | |
| CN215169819U (en) | Lifting device, lifting centralizing system and drilling derrick | |
| CN110239642A (en) | Hybrid Pole Climbing Device | |
| CN212502261U (en) | Curbstone handling device | |
| CN114873245A (en) | Static grabbing and transferring automatic sorting and conveying equipment | |
| CN210046850U (en) | Automatic assembly system of sleeper sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |