CN210029809U

CN210029809U - Pipeline hoisting device

Info

Publication number: CN210029809U
Application number: CN201920727555.4U
Authority: CN
Inventors: 仇晓庆; 付永生
Original assignee: Chinese And Foreign Construction And Installation Co Ltd
Current assignee: Chinese And Foreign Construction And Installation Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-02-07
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to a pipeline hoist device in pipeline erection construction field, it includes the lifting machine, be provided with the reel on the lifting machine, be provided with drive reel pivoted motor on the lifting machine, be provided with the promotion steel cable on the reel, it keeps away from reel one end and is connected with the bearing part to promote the steel cable, is connected with many ropes under the bearing part, be connected with fastening head under the rope, fastening head is connected with the fastening area, and is provided with along the draw-in groove of the long limit trend of fastening area on the fastening area, is provided with the latch in the draw-in groove, fastening head be provided with draw-in groove matched with. The utility model discloses the different various pipelines of fastening pipeline diameter are realized in the cooperation of accessible fastening area and fastening head, make the pipeline can not transport the pipeline because of the not good unbalance of fastening nature at the hoist and mount in-process, hoist and mount that can be more steady.

Description

Pipeline hoisting device

Technical Field

The utility model belongs to the technical field of the pipeline construction and specifically relates to a pipeline hoisting device is related to.

Background

In recent years, with the progress of national urbanization, large buildings are increasingly used, and pipe network systems are important components of buildings. In the prior art, for large-diameter pipelines such as heating and ventilation pipeline networks, prefabricated pipe sections are generally adopted and hoisted to an installation site to be spliced to obtain corresponding pipelines, and in operation, a steel wire rope is adopted as a lifting rope, but the steel wire rope may damage the surface of the pipe sections or a coating layer and a wrapping layer on the surface of the pipe sections.

To the above technical problem, the application document with publication number CN107473068A discloses a pipeline hoisting frame, which has the technical key points that: including the gallows, still including being fixed in two piece at least pocket ropes on the gallows, each pocket rope all has at least the relation of connection of one end and gallows for dismantling the relation of connection, the both ends of each pocket rope all with gallows fixed connection back, all pocket ropes constitute the restraint space of hoist and mount frame to the pipeline section jointly with the space that the gallows encloses. This technical scheme can dismantle the section with the pocket rope and pull down when carrying out pipeline hoist and mount, installs on the gallows after bypassing the pipeline, later can hoist.

Above-mentioned scheme exists following not enough, when hoist, the restraint space that pocket rope and gallows constitute jointly can not agree with the pipeline perisporium completely, produces easily when hoist and mount and rocks, leads to the pipeline unbalanced at hoist and mount in-process, the incident appears easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline hoist device of balanced fastening has the fastening area of draw-in groove and has locking Assembly's fastening head cooperation locking through the setting, can realize agreeing with the pipeline surface completely according to the pipeline diameter size, guarantees that the pipeline can not rock at hoist and mount in-process.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a pipeline hoisting device, includes the lifting machine, be provided with the reel on the lifting machine, be provided with drive reel pivoted motor on the lifting machine, be provided with the promotion steel cable on the reel, promote the steel cable and keep away from reel one end and be connected with the bearing part, be connected with many ropes under the bearing part, be connected with fastening head under the rope, fastening head is connected with the fastening area, and is provided with along the draw-in groove of the long limit trend of fastening area on the fastening area, is provided with the latch in the draw-in groove, fastening head be provided with draw-in.

By adopting the technical scheme, when the pipeline is hoisted, the pipeline can be wound by the fastening belt, then the fastening belt is matched with the fastening head, the locking assembly tightly clamps the latch in the clamping groove so as to realize the locking of the fastening belt and the fastening head, and further the hoisted pipeline is fixed, and the fastening belt can be arranged so that the fastening process can be adjusted according to the diameter of the pipeline; the fastening head is connected with the bearing part through a rope, so that the pipeline can be kept in a balanced state during hoisting and is not easy to turn over; the lifting wire rope wound on the winding wheel realizes the lifting and the lowering of the pipeline.

The utility model discloses further set up to: the cross sections of a plurality of the clamping teeth are all arranged into right trapezoid, the right-angle sides of the clamping teeth face the fastening head, the height of the clamping teeth is not higher than the inner surface of the fastening belt, the fastening head comprises an arc-shaped hanging plate, a hanging ring I is arranged at the center of an outer convex cambered surface of the hanging plate, one end of the rope is provided with a safety hook I matched with the hanging ring I, two sides of the hanging plate are provided with baffles, a gap for the fastening belt to pass through is reserved between the two baffles, one side of each baffle, which is far away from the hanging plate, is arranged to be the same as the radian of the hanging plate, any one side of each baffle is integrally provided with a connecting rod connected with the fastening belt, the fastening belt is fixedly connected through rivets by bypassing the connecting rod, the locking assembly comprises a clamping rod which penetrates through the baffles and is rotatably connected with the baffles, one side of the clamping rod is matched with, and the chucking pole deviates from fixture block one side and is provided with supplementary dog, both sides the baffle corresponds supplementary dog position and is provided with the connecting plate, is provided with magnet on the connecting plate, and supplementary dog is on a parallel with the connecting plate setting, chucking pole one end is stretched out the baffle and is connected with the handle, both sides baffle is along deviating from and set up a plurality of reinforcing plates between the fishplate bar border.

By adopting the technical scheme, the section of the latch is in a right trapezoid shape, so that the clamping position of the latch is ensured to have enough thickness, the latch cannot be easily damaged, and the height of the latch is not higher than the inner surface of the fastening belt, so that the latch is prevented from being damaged due to collision between the latch and the clamping head; the arrangement of the first safety hook and the first lifting ring ensures that the first safety hook cannot be separated from the first lifting ring in the hoisting process; the suspension plates are arranged in a circular arc manner, so that the stress condition of the suspension part during suspension is optimized; the baffle is arranged in an arc shape on one side deviating from the hoisting connection plate, so that the fastening head can be completely attached to the pipeline when the pipeline is fastened, the whole fastening belt can be attached to the pipeline, and the pipeline cannot shake due to a gap in a constraint space surrounded by the fastening belt in the hoisting process; the arrangement of the auxiliary stop block and the connecting plate realizes that when the clamping block is clamped, the clamping rod cannot excessively rotate due to clamping acting force, so that the clamping block rotates away from the clamping teeth, the rotation of the auxiliary stop block is limited by the arrangement of the connecting plate, the whole clamping rod can only rotate in a certain space without influencing the fastening belt, and the magnet can attract the auxiliary stop block, so that the clamping rod can keep a clamping position under the action of no external force, and the clamping rod can be automatically clamped after the fastening belt is inserted; the arrangement of the handle can facilitate an operator to pull the clamping rod, so that the clamping block is separated from the clamping teeth to release the fastening, and meanwhile, the limiting baffle limits the limiting of the clamping block in a loosening state, so that the auxiliary block cannot be pulled out of the fastening belt due to the rotation; in order to prevent the connecting strength of the baffle and the connecting plate from being insufficient, a plurality of reinforcing plates are arranged.

The utility model discloses further set up to: the thickness of one end, connected with the clamping rod, of the clamping block is larger than that of the end, far away from the clamping rod, of the clamping block, one side, far away from the clamping teeth, of the clamping block is arc-shaped, and the contact end of the clamping block and the clamping teeth is arranged in a circular bead mode.

Through adopting above-mentioned technical scheme, fixture block and the thick setting of joint pole junction thickness make the fixture block be difficult for warping because of the effect of chucking power, set up the fixture block into convex deviating from latch one side simultaneously, when fastening head is inserted in the fastening area, the latch can not block the fixture block, makes things convenient for the insertion in fastening area, and setting up of fillet makes the fixture block can not cause the damage to latch joint portion position.

The utility model discloses further set up to: and all edges of the fastening head are arranged in a round angle mode.

Through adopting above-mentioned technical scheme, each border fillet setting has avoided fastening area and fastening head when the contact, and the closed angle arris on border can lead to the fact the destruction to the fastening area.

The utility model discloses further set up to: the clamping teeth in the clamping groove are arranged in a plurality of rows at intervals.

Through adopting above-mentioned technical scheme, the latch separately sets up to a plurality of rows, has guaranteed that the fastening area is when receiving horizontal extrusion effort, and the difficult damage phenomenon that consequently appears of latch.

The utility model discloses further set up to: the bearing piece sets up to the cuboid structure, and is provided with two-way screw rod in the bearing piece, two-way screw rod horizontal parallel both sides are provided with the guide rail, just all be provided with on the screw rod of two-way screw rod both sides and slide the nut of being connected with the guide rail, two-way screw rod one side is connected with the motor, fixedly connected with safety lifting hook two on the nut, rope one end cooperation safety lifting hook is provided with rings two.

Through adopting above-mentioned technical scheme, motor, two-way screw rod, nut and guide rail structure in the bearing piece have realized two ropes in the ascending motion of the looks of horizontal direction or deviate from to can adjust according to the difference of pipeline length, guarantee that the pipeline is in horizontal balance state at the hoist and mount in-process.

The utility model discloses further set up to: bearing spare upper surface central point puts and is provided with the carousel bearing, carousel bearing inner race with bearing spare fixed connection, carousel bearing outer lane fixedly connected with hangs the seat, it is provided with the annular spout that the centre of a circle is the same with the carousel bearing centre of a circle to hang the seat upper surface, fixedly connected with protective housing on the bearing spare, and the protective housing inner wall is provided with the cooperation the annular slider of annular spout, the protective housing upper surface is provided with the through-hole, it is provided with at seat upper surface center and follows the safety lifting hook three that the through-hole stretches out to hang seat upper surface center, it is provided with rings three to promote steel cable free end cooperation safety lifting hook three.

Through adopting above-mentioned technical scheme, the carousel bearing has realized hanging the rotation between seat and the bearing piece, and the protective housing that the bearing piece set up outward has guaranteed that the seat of hanging is not destroyed by the external factor when, makes and hangs the seat and can not break away from the bearing piece.

The utility model discloses further set up to: and a plurality of oil holes for adding lubricating oil are formed in the protective shell corresponding to the annular sliding block.

Through adopting above-mentioned technical scheme, set up that the oilhole can be convenient add lubricating oil to the spout in, guarantee to have the lubricating oil effect between spout and the slider all the time.

To sum up, the utility model discloses a beneficial technological effect does:

1. the arrangement of the fastening belt and the fastening head can be adjusted according to different diameters of pipelines;

2. the bidirectional screw and the nut in the bearing part can drive the rope and the fastening belt to move in opposite directions or in a deviating manner, so that the position of the fastening belt can be adjusted according to different lengths of pipelines;

3. set up the carousel bearing between seat and the bearing piece of hanging, make the hoist and mount process can realize the pipeline level and rotate, and do not influence the promotion steel cable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the bottom structure of the fastening head, which is intended to show the clamping state of the fastening head and the fastening band.

Fig. 3 is a schematic sectional view taken along the line a-a in fig. 2, and is intended to show the working state of the locking assembly.

Fig. 4 is a schematic view of the structure of the clamping groove on the fastening belt.

Fig. 5 is a side view of the load bearing member.

Fig. 6 is a schematic sectional view in the direction B-B in fig. 5.

Fig. 7 is a schematic bottom view of the load bearing member, which is intended to show the structure of the components in the load bearing member.

In the figure, 1, a hoist; 2. a reel; 3. lifting the steel cable; 4. a bearing member; 41. a bidirectional screw; 411. a motor; 42. a guide rail; 43. a nut; 44. a turntable bearing; 45. a hanging seat; 451. an annular chute; 46. a protective shell; 461. an annular slider; 462. an oil hole; 5. a rope; 6. a fastening tape; 61. a card slot; 611. clamping teeth; 62. riveting; 7. a fastening head; 70. a baffle plate; 71. hoisting and connecting the plate; 72. a connecting rod; 73. a locking assembly; 731. a clamping rod; 732. a clamping block; 733. an auxiliary stopper; 734. a connecting plate; 735. a magnet; 736. a handle; 737. a reinforcing plate; 738. a limit baffle; 81. a first safety hook; 82. a second safety hook; 83. a safety hook III; 91. a first hanging ring; 92. a second hanging ring; 93. and a third hanging ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, in order to the utility model discloses a pipeline hoisting device, including lifting machine 1, the top of lifting machine 1 is provided with reel 2 driven by the lifting motor (not marked in the figure), reel 2 is wound with lifting steel cable 3, the free end of lifting steel cable 3 is provided with rings three 93, be provided with the bearing part 4 that is connected with hanging seat 45 under rings three 93, and cooperate rings three 93 to be provided with safe lifting hook three 83 on hanging seat 45, the setting of rings three 93 and safe lifting hook three 83 makes bearing part 4 difficult to break away from lifting steel cable 3, has prevented the emergence of the accident that drops; be connected with many ropes 5 under the bearing part 4, set up to two in this embodiment, every rope 5 free end all is provided with rings 91, is provided with fastening head 7 that has safety hook 81 under rings 91, and fastening head 7 is connected with fastening belt 6.

Referring to fig. 2 and 3, the fastening head 7 comprises an arc-shaped hanging plate 71, the baffle plates 70 are arranged on two sides of the hanging plate 71, and the baffle plates 70 are integrally arranged into an arc shape with the height gradually reduced towards one end, so that the fastening head 7 can be completely attached to the outer wall of the pipeline when the pipeline is fastened, and the pipeline cannot shake due to a gap in a constraint space surrounded by the fastening belt 6 in the hoisting process; a connecting rod 72 integrally formed is arranged at any end of the baffle 70, the fastening belt 6 is fixed by rivets 62 after bypassing the connecting rod 72, and 3 rivets 62 are arranged in the embodiment; referring to fig. 4, the fastening belt 6 is provided with a clamping groove 61 along the long side of the fastening belt 6, the clamping groove 61 is provided with a latch 611 with a right trapezoid cross section, the right-angled side of the latch 611 is arranged towards the fastening head 7, the height of the top of the latch 611 is not higher than the inner surface of the fastening belt 6, and meanwhile, considering that the lateral extrusion force applied to the fastening belt 6 may cause the latch 611 to be damaged due to lateral arching, the latch 611 is arranged in a plurality of rows, which is two rows in this embodiment; a locking component 73 which is matched with the latch 611 on the fastening belt 6 is arranged in the fastening head 7, the locking component 73 can be matched with the latch 611 in the slot 61 to lock the pipeline,

referring to fig. 2 and 3, the locking assembly 73 includes a clamping rod 731 rotatably connected to the blocking plate 70, one end of the clamping rod 731 extends out of the blocking plate 70 and is connected to a handle 736 for rotating the clamping rod 731, a fixture block 732 matched with the latch 611 on the fastening belt 6 is arranged on one side of the clamping rod 731, the fixture block 732 is arranged to be inclined towards the hanging plate 71, and the thickness of the end of the fixture block 732 connected to the clamping rod 731 is larger than that of the end far away from the clamping rod 731, so that the connection part of the fixture block 732 and the clamping rod 731 is not damaged due to excessive torque when the fixture block 732 is clamped; the contact end of the fixture block 732 and the fixture tooth 611 is provided with a round corner, so that the fixture block 732 cannot damage the fixture tooth 611; meanwhile, considering that the latch teeth 611 and the latch teeth 732 are damaged by collision between the latch teeth 732 and the latch teeth 611 when the fastening band 6 is inserted into the fastening head 7, the side of the latch teeth 732 away from the clamping surface of the latch teeth 611 is arc-shaped, so that the latch teeth 611 can slide along the arc surface of the latch teeth 732 when the fastening band 6 is inserted into the fastening head 7, and the latch teeth 611 and the latch teeth 732 are protected; a limiting baffle 738 is arranged at the position of the baffle 70 corresponding to the fixture 732 and used for limiting the rotating position of the fixture 732; further, in order to limit the rotation position of the fixture block 732, an auxiliary stop 733 is arranged on one side of the clamping rod 731, which is away from the fixture block 732, a connecting plate 734 parallel to the auxiliary stop 733 is arranged on the position, corresponding to the auxiliary stop 733, of the baffle plates 70 on the two sides, the auxiliary stop 733 is arranged between the connecting plate 734 and the hanging plate 71, a magnet 735 is arranged on the connecting plate 734, the fixture block 732 can be abutted against the latch 611 to be clamped in the fastening state, the auxiliary stop 733 can be abutted against the connecting plate 734, the clamping rod 731 cannot rotate again in the state, the limiting of the clamping position of the clamping rod 731 is completed, when the fastening belt 6 is to be loosened, the handle 736 is pulled, the fixture block 732 is lifted, the auxiliary stop 733 is separated from the connecting plate 734, and; in a non-working state, the connecting plate 734 fixedly connected with the magnet 735 can adsorb the auxiliary stop 733 to enable the clamping rod 731 to be in a clamping position, and when the fastening belt 6 is inserted into the fastening head 7 again, the fastening belt can be automatically clamped; further considering that all edges of the entire fastening head 7 may cut or scratch the fastening tape 6, and thus deteriorate the life of the fastening tape 6, all edges of the fastening head 7 are rounded.

Referring to fig. 5 and 6, in view of the fact that there may be a situation that it is necessary to rotate and hoist a pipeline according to the site construction situation, a turntable bearing 44 is disposed between the hanging seat 45 and the bearing member 4, and an inner ring of the turntable bearing 44 is fixedly connected with the bearing member 4 through a bolt, and an outer ring of the turntable bearing 44 is fixedly connected with the hanging seat 45 through a bolt, at this time, in view of the fact that the bearing member 4 and the pipeline to be hoisted may be too heavy to cause the turntable bearing 44 to be damaged and the hanging seat 45 to be separated from the bearing member 4, a protective shell 46 is disposed outside the hanging seat 45, the protective shell 46 is fixedly connected with the bearing member 4 through a plurality of bolts disposed along the contact portion, and in order to ensure that the protective shell 46 can also rotate with the bearing member 4, an annular sliding groove 451 with the center of the safety hook three 83 is disposed on the upper surface of the hanging seat 45, one end of the shell 46 away from the bearing member 4 extends to the safety hook three, the protective shell 46 is provided with an oil hole 462 for adding lubricating oil at a position corresponding to the annular slider 461, so that the annular slider 461 and the annular sliding groove 451 can be matched with each other to realize sliding.

Referring to fig. 5 and 7, considering that the distance between two ropes 5 needs to be adjusted according to the length of the pipeline due to the different lengths of the pipelines to be hoisted, a bidirectional screw 41 is arranged inside the bearing part 4, and one end of the bidirectional screw is connected with a motor 411 for driving the bidirectional screw 41 to rotate, since one end of the bearing part is provided with the motor 411, the side wall of the end of the bearing part away from the motor 411 is thickened in consideration of the balance problem, so that the side wall is as heavy as the end provided with the motor 411 and the bearing part 4 can be in horizontal position to keep balance, the two sides of the bidirectional screw 41 which are parallel to the horizontal direction are provided with guide rails 42, nuts 43 are arranged on the threads of the two sides of the bidirectional screw 41, the nuts 43 are connected with the guide rails 42 on the two sides in a sliding manner, one side of the nut 43 which is far away from the bearing part 4 is, the motor 411 can drive the bidirectional screw rod 41 to rotate, so that the nut 43 moves in the opposite direction or in the deviated direction along the guide rail 42, and the rope 5 is driven to move in the opposite direction or in the deviated direction correspondingly, thereby adjusting the distance of the rope 5 according to the length of the pipeline and enabling the pipeline to be in a horizontal balance state in the hoisting process.

The implementation principle of the embodiment is as follows: when a pipeline is hoisted, a hoisting motor (not shown in the figure) is driven to reversely rotate a reel 2 to put down a hoisting steel cable 3, a bearing part 4, a rope 5, a fastening head 7 and a fastening belt 6 are put down to the position where the pipeline is conveniently sleeved, according to different lengths of the pipeline, a motor 411 on the bearing part 4 is started to control a bidirectional screw rod 41, the relative positions of two nuts 43 are adjusted, so that the positions of the fastening head 7 and the fastening belt 6 which are connected with the nuts 43 through the rope 5 are controlled, after the positions of the fastening head 7 and the fastening belt 6 are adjusted, the two fastening belts 6 are inserted into the corresponding fastening heads 7 respectively by bypassing the pipeline, a latch 611 on the fastening belt 6 and a locking assembly 73 in the fastening head 7 start working, when the fastening belts 6 are completely attached to the outer wall of the pipeline, a fixture block 732 in the locking assembly 73 clamps the latch 611, an auxiliary stop 733 abuts against a connecting plate 734, so that a clamping rod keeps the position, checking whether the first hanging ring 91 and the first safety hook 81, the second hanging ring 92 and the second safety hook 82, and the third hanging ring 93 and the third safety hook 83 are installed in a matched mode, driving a lifting motor (not shown in the figure) to enable a winding wheel 2 to rotate forward to wind a lifting steel cable 3 after checking that no error exists, lifting the pipeline to a certain height, and carrying out hanging; before the pipeline is hoisted and put down, an operator horizontally pushes the pipeline according to the position requirement of the pipeline on site, the hoisting seat 45 and the bearing part 4 rotate relatively to realize the adjustment of the horizontal angle of the pipeline, then the pipeline is put down, the handle 736 connected to one end of the clamping rod 731 is pulled to rotate the clamping rod 731, the clamping block 732 rotates and is lifted along with the clamping rod 731, the auxiliary stop 733 is separated from the connecting plate 734, the fastening belt 6 can be pulled out from the fastening head 7, the fastening belt 6 and the fastening head 7 are separated from the pipeline, and the hoisting and the placement of the pipeline are completed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pipeline hoisting device, includes lifting machine (1), be provided with reel (2) on lifting machine (1), be provided with drive reel (2) pivoted motor on lifting machine (1), be provided with on reel (2) and promote steel cable (3), its characterized in that: promote steel cable (3) and keep away from reel (2) one end and be connected with bearing member (4), be connected with many ropes (5) under bearing member (4), rope (5) free end is connected with fastening head (7), and fastening head (7) are connected with fastening area (6), and are provided with on fastening area (6) along draw-in groove (61) of fastening area (6) long limit trend, are provided with a plurality of latches (611) in draw-in groove (61), be provided with on fastening head (7) with draw-in groove (61) matched with locking Assembly (73).

2. The pipeline hoisting device of claim 1, wherein: the cross sections of the plurality of the clamping teeth (611) are all arranged to be in a right trapezoid shape, the right-angle side of each clamping tooth (611) faces towards the fastening head (7), the height of each clamping tooth (611) is not higher than the inner surface of the fastening belt (6), each fastening head (7) comprises an arc-shaped hanging plate (71), a first hanging ring (91) is arranged in the center of the outer convex arc surface of each hanging plate (71), a first safety hook (81) matched with the first hanging ring (91) is arranged at one end of the rope (5), baffles (70) are arranged on two sides of each hanging plate (71), a gap for the fastening belt (6) to pass through is reserved between the two baffles (70), one side of each baffle (70) departing from the hanging plate (71) is identical to the radian of the hanging plate (71), a connecting rod (72) for connecting the fastening belts (6) is integrally arranged at any one end of the two baffles (70), the fastening belts (6) are fixedly connected by bypassing the connecting, the locking component (73) comprises a clamping rod (731) which penetrates through the baffle plate (70) and is connected with the baffle plate (70) in a rotating way, a clamping block (732) which inclines towards one side of the hanging plate (71) is arranged on one section of the clamping rod (731) between the two baffle plates (70) and matched with the clamping teeth (611), a position corresponding to the clamping block (732) of the baffle plates (70) on two sides is provided with a limit baffle plate (738), an auxiliary stop dog (733) is arranged on one side, away from the clamping block (732), of the clamping rod (731), connecting plates (734) are arranged on the two sides of the baffle (70) corresponding to the auxiliary stop dog (733), magnets (735) are arranged on the connecting plates (734), the auxiliary stop dog (733) is arranged in parallel to the connecting plates (734), one end of the clamping rod (731) extending out of the baffle (70) is connected with a handle (736), and a plurality of reinforcing plates (737) are arranged on two sides of the baffle (70) along the edge deviating from the hoisting plate (71).

3. The pipeline hoisting device of claim 2, wherein: the thickness of one end, connected with the clamping rod (731), of the clamping block (732) is larger than that of one end, far away from the clamping rod (731), of the clamping rod, and the contact end, connected with the clamping tooth (611), of the clamping block (732) is arranged in a round angle mode.

4. The pipeline hoisting device of claim 2, wherein: and all edges of the fastening head (7) are arranged in a round angle mode.

5. The pipeline hoisting device of claim 2, wherein: the clamping teeth (611) in the clamping grooves (61) are arranged in a plurality of rows at intervals.

6. The pipeline hoisting device of claim 1, wherein: bearing piece (4) set up to the cuboid structure, and are provided with two-way screw rod (41) in bearing piece (4), two-way screw rod (41) horizontal parallel both sides are provided with guide rail (42), just all be provided with on two-way screw rod (41) both sides screw rod and slide nut (43) of being connected with guide rail (42), two-way screw rod (41) one side is connected with motor (411), fixedly connected with safety lifting hook two (82) are gone up in nut (43), rope (5) one end cooperation safety lifting hook two (82) are provided with rings two (92).

7. The pipeline hoisting device of claim 4, wherein: bearing (4) upper surface central point puts and is provided with swivel plate bearing (44), swivel plate bearing (44) inner circle with bearing (4) fixed connection, swivel plate bearing (44) outer lane fixedly connected with hangs seat (45), it is provided with the same annular spout (451) in the centre of a circle and swivel plate bearing (44) centre of a circle to hang seat (45) upper surface, fixedly connected with protective housing (46) on bearing (4), and protective housing (46) inner wall is provided with the cooperation annular slider (461) of annular spout (451), protective housing (46) upper surface is provided with the through-hole, it is provided with safe lifting hook three (83) to hang seat (45) upper surface center and can follow that the through-hole stretches out, it is provided with rings three (93) to promote steel cable (3) free end cooperation safe lifting hook three (83).

8. The pipeline hoisting device of claim 7, wherein: the protective shell (46) is provided with a plurality of oil holes (462) used for adding lubricating oil corresponding to the annular sliding block (461).