CN117775964A - Pipeline laying construction hoist device - Google Patents
Pipeline laying construction hoist device Download PDFInfo
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- CN117775964A CN117775964A CN202311832355.2A CN202311832355A CN117775964A CN 117775964 A CN117775964 A CN 117775964A CN 202311832355 A CN202311832355 A CN 202311832355A CN 117775964 A CN117775964 A CN 117775964A
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- 238000010276 construction Methods 0.000 title claims abstract description 56
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- 230000007246 mechanism Effects 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of pipeline hoisting, in particular to a pipeline laying construction hoisting device, which comprises a first rotating shaft and a second rotating shaft which are arranged in parallel, wherein two ends of the first rotating shaft are respectively hinged with two connecting rods, and the other end of each connecting rod is hinged with a clamping jaw; one end of the second rotating shaft can be rotatably inserted in the middle of two clamping jaws at one end of the first rotating shaft, the other end of the second rotating shaft can be rotatably inserted in the middle of two clamping jaws at the other end of the first rotating shaft, the second rotating shaft divides the clamping jaws into an upper half part and a lower half part, the upper half part of the clamping jaws and the connecting rod encircle to form a diamond with changeable area, then the pipeline can be clamped or released through the lower half part of the clamping jaws, deformation parts are arranged between the two clamping jaws at the same side of the first rotating shaft, and the deformation parts are configured to be elastically deformed when the clamping jaws clamp the pipeline so as to adapt to different pipe diameters of the pipeline, and the universality of the device is improved.
Description
Technical Field
The invention relates to the technical field of pipeline hoisting, in particular to a pipeline laying construction hoisting device.
Background
Along with the increasing expansion of urban construction, municipal infrastructure construction steps rapidly and rapidly, and modern urban construction has higher and higher functional requirements on municipal infrastructure, so that the proportion of various pipe network projects in the municipal infrastructure is increased.
In the installation and construction process of the pipeline, the pipeline is required to be hoisted in place, and then the butt joint construction operation is carried out; when the pipeline is hoisted, two hoisting modes are generally adopted, namely, the two ports of the pipeline are clamped by the clamping hooks for hoisting, and the pipeline is hoisted after being tied firmly by the steel wire ropes, so that the pipeline is difficult to be directly butted after being hoisted in place in the two modes, and the pipeline can be adjusted in position and operated in the butted mode by using manual tools and manual tools after the clamping hooks are dismounted or the steel wire ropes are dismounted.
In order to solve the above-mentioned problem, in the related art, for example, chinese patent document with the authority of CN219408922U discloses a hoisting clamp for construction of thermal pipeline, when the hoisting clamp for construction of thermal pipeline is used for hoisting a pipeline, firstly, the hoisting position of a crane is connected with a connecting frame, then the clamping jaw is adjusted to be in an open state, and the clamping jaw is locked by a locking mechanism, when the clamping jaw is sleeved on the pipeline, the crane drives the connecting frame to move downwards for a small distance, so as to unlock the clamping jaw by the locking mechanism, then the crane drives the connecting frame to move upwards for a certain distance, and under the action of dead weight of the clamping jaw, the clamping jaw tightens up and clamps the pipeline, thereby realizing automatic clamping of the pipeline.
The lifting clamp for construction of the heating power pipeline improves the simplicity in lifting the pipeline to a certain extent, but in the practical use process, the contact area between the clamping jaw and the pipeline is smaller when the lifting clamp for construction of the heating power pipeline clamps the pipeline with smaller pipe diameter, so that the stress is too concentrated when the pipeline is clamped, the pipeline is easily damaged, and the clamping jaw clamps the pipeline unstably when the pipeline with larger pipe diameter is clamped, so that the pipeline is easily fallen off when the pipeline is clamped, and accidents are easily caused; and when the locking mechanism unlocks and locks the clamping jaw, the clamping jaw needs to be opened by a larger angle, which is time-consuming and labor-consuming and affects the clamping efficiency.
Disclosure of Invention
Based on the problems, such as incapability of adapting to the pipeline size and low clamping efficiency, of the conventional pipeline lifting equipment, the pipeline laying construction lifting device is necessary to be provided.
The above purpose is achieved by the following technical scheme:
the pipeline laying construction hoisting device comprises a first rotating shaft and a second rotating shaft which are arranged in parallel, wherein two ends of the first rotating shaft are respectively hinged with two connecting rods, and the other end of each connecting rod is hinged with a clamping jaw; one end of the second rotating shaft can be rotatably inserted in the middle of two clamping jaws at one end of the first rotating shaft, the other end of the second rotating shaft can be rotatably inserted in the middle of two clamping jaws at the other end of the first rotating shaft, the second rotating shaft divides the clamping jaws into an upper half part and a lower half part, the upper half part of the clamping jaws and the connecting rod encircle to form a diamond with changeable area, and then a pipeline can be clamped or released through the lower half parts of the clamping jaws;
and deformation parts are arranged between the two clamping jaws positioned on the same side of the first rotating shaft, and are configured to elastically deform when the clamping jaws clamp the pipeline so as to adapt to different pipe diameters of the pipeline.
Further, the deformation portion includes a clamping plate having elasticity, and one end is slidably hinged to the lower half portion of the clamping jaw, and the other end is hinged to an end portion of the lower half portion of the clamping jaw.
Further, the pipe laying construction hoisting device further comprises a locking mechanism, wherein the locking mechanism is configured to be capable of locking a preset opening angle between two clamping jaws located at the same end of the first rotating shaft.
Further, the locking mechanism comprises four limit grooves and two sliding seats, and the limit grooves are arranged on the clamping jaws in a one-to-one correspondence manner; the two sliding seats are sleeved on the second rotating shaft and can slide along the axis direction of the second rotating shaft, corresponding locking positions and unlocking positions are arranged before and after sliding, two limiting frames are arranged on each sliding seat in a crossing mode, when the sliding seats are located at the locking positions, the limiting frames are inserted in the limiting grooves in a one-to-one correspondence mode, so that the clamping jaws can be limited to be folded at the minimum angle, when the sliding seats are located at the unlocking positions, the limiting frames are separated from the limiting grooves, and the clamping jaws can freely rotate around the axis of the second rotating shaft.
Further, the locking mechanism further comprises an adjusting part, and the adjusting part is configured to be capable of adjusting the size of the preset opening angle according to different pipe diameters of the pipeline.
Further, a clamping hole communicated with the limit groove is formed in the clamping jaw; the limiting frame is arranged to be rotatable around the axis of the second rotating shaft; the adjusting part comprises a first piston cylinder, a limiting toothed plate, a first adjusting component and a second adjusting component, wherein the number of the first piston cylinders is at least two, and the first piston cylinders are symmetrically arranged on the second rotating shaft; one end of the sliding seat can be inserted into the first piston cylinder in a sealing and sliding manner, and the first piston cylinder is divided into a first chamber and a second chamber; the number of the limiting toothed plates is two, the limiting toothed plates are symmetrically arranged on the second rotating shaft, and the limiting toothed plates can be clamped with the limiting frame to limit the rotation of the limiting frame; when the clamping jaw clamps the pipeline, the second adjusting component drives the sliding seat to move to the unlocking position by changing the pressure of the second chamber until the limiting frame is inserted into the clamping hole, so that the limiting frame can rotate along with the clamping jaw; when the clamping jaw releases the pipeline, the first adjusting component drives the sliding seat to move to the locking position by changing the pressure of the first cavity to be clamped with the limiting frame and the limiting toothed plate.
Further, the first adjusting component comprises two second piston cylinders and second piston rods, wherein the uniform ends of the second piston cylinders are hinged to the second rotating shaft, the other ends of the second piston cylinders are arranged in a suspending mode, a first communication pipe is communicated with each second piston cylinder, and the first communication pipe is communicated with the first cavity; the number of the second piston rods is two, the second piston rods are in one-to-one correspondence with the second piston cylinders, one ends of the second piston rods can be inserted in the second piston cylinders in a sealing sliding mode, and the other ends of the second piston rods are hinged to the clamping plates.
Further, the second adjusting assembly comprises a third piston cylinder, a third piston rod and one-way valves, wherein the number of the third piston cylinders is two, the two third piston cylinders are respectively arranged at two ends of the second rotating shaft, a second communicating pipe is communicated with the circumferential side wall of each third piston cylinder close to the lower part, and the second communicating pipe is communicated with the second cavity; the number of the third piston rods is two, the third piston rods are arranged in one-to-one correspondence with the third piston cylinders, one ends of the third piston rods can be inserted in the third piston cylinders in a sealing sliding manner, and the other ends of the third piston rods are arranged downwards along the vertical direction when the third piston rods are used; the number of the one-way valves is two, the one-way valves are arranged in one-to-one correspondence with the third piston cylinder, and the one-way valves are arranged at the top of the third piston cylinder and are configured to be capable of unidirectionally introducing air in the external environment into the third piston cylinder.
Further, the clamping plate is also provided with a rigid positioning plate on the outside, which positioning plate is configured to support the clamping plate.
Further, a hanging seat is rotatably sleeved on the first rotating shaft, and the hanging seat is configured to be connected with lifting equipment.
The beneficial effects of the invention are as follows:
according to the pipeline laying construction hoisting device, when the pipeline is clamped, different pipe diameters of the pipeline can be adapted through the elastic deformation of the deformation part, so that a larger contact area is formed between the clamping jaw and the pipeline when the pipeline with smaller pipe diameter is clamped, the pipeline is prevented from being damaged due to too concentrated stress, a larger contact area is formed between the clamping jaw and the pipeline when the pipeline with larger pipe diameter is clamped, further, the clamping jaw has larger clamping force on the pipeline, unstable clamping is avoided, and unnecessary loss is avoided being increased while the integrity of the pipeline is ensured.
Further, through setting up locking mechanism, when the clamping jaw moves to the direction that is close to the pipeline, locking mechanism locks and makes to have the angle of prearranging between the clamping jaw to the clamping jaw cover is on the pipeline, reduces the time of adjustment clamping jaw, and when the clamping jaw cover was on the pipeline, locking mechanism unblock made the clamping jaw draw in order to hold the pipeline under the action of gravity, thereby when realizing the automatic clamp of pipeline and get, make things convenient for the subsequent installation and the butt joint of pipeline, improve the installation effectiveness and the installation accuracy of pipeline.
Further, through setting up adjusting part, when carrying out the centre gripping to the pipeline, can be according to the pipe diameter of pipeline difference regulation and predetermine the size of opening the angle, when improving the device commonality, the time that the adjustment clamping jaw of suitability draws in and opens the used improves the installation effectiveness of pipeline.
Drawings
FIG. 1 is a schematic perspective view of a hoisting device for pipeline laying construction according to an embodiment of the present invention;
FIG. 2 is a schematic front view of a construction hoisting device for pipeline laying according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a hoisting device for pipeline laying construction according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a pipe hoisting device for pipe laying construction according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a front view structure of a hoisting device for pipeline laying construction according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a locking mechanism of a hoisting device for pipe laying construction according to an embodiment of the present invention when assembled with a second shaft;
FIG. 7 is a schematic front view of a locking mechanism of a hoisting device for pipe laying construction according to an embodiment of the present invention when assembled with a second shaft;
fig. 8 is a schematic diagram of an exploded part structure of the locking mechanism of the hoisting device for pipeline laying construction according to an embodiment of the present invention when the locking mechanism is assembled with the second rotating shaft.
Wherein:
100. a hanging seat; 110. a first rotating shaft; 120. a connecting rod; 130. a clamping jaw; 131. a chute; 132. a limit groove; 133. a clamping hole; 140. a second rotating shaft; 141. a first piston cylinder; 142. limiting toothed plates; 150. a positioning plate; 160. a clamping plate;
200. a locking mechanism; 210. a sliding seat; 211. a first piston rod; 220. a limiting frame; 221. a limiting toothed ring; 222. a rod; 230. a second piston cylinder; 231. a first communication pipe; 240. a second piston rod; 250. a third piston cylinder; 251. a second communicating pipe; 260. a third piston rod; 270. a one-way valve.
Detailed Description
The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 8, the pipe laying construction hoisting device according to an embodiment of the present invention is used for hoisting a pipe, and in this embodiment, the pipe laying construction hoisting device is configured to include a first rotating shaft 110 and a second rotating shaft 140 that are disposed in parallel, and specifically, the first rotating shaft 110 and the second rotating shaft 140 are both configured to be a round rod-shaped structure; two connecting rods 120 are hinged to two ends of the first rotating shaft 110 respectively, one clamping jaw 130 is hinged to the other end of each connecting rod 120, specifically, as shown in fig. 1 and 2, the connecting rods 120 are in square rod-shaped structures, the clamping jaws 130 are in sickle-shaped square rod-shaped structures, one end of each connecting rod 120 can be rotatably sleeved on the first rotating shaft 110 during installation, the other end of each connecting rod 120 is in suspension, each clamping jaw 130 is provided with a straight rod section and an arc rod section which are tangential and fixedly connected, one end of each straight rod section, which is arranged to be far away from the arc rod section, is hinged to one end of each connecting rod 120, which is far away from the first rotating shaft 110, the arc rod section is in suspension, two connecting rods 120 and two clamping jaws 130 which are located at the same end of the first rotating shaft 110 are crossed in the axial direction of the first rotating shaft 110 and are in dislocation arrangement, the connecting rods 120 located on the inner side are hinged to the connecting rods 130 located on the outer side, and the connecting rods 120 located on the inner clamping jaws 130 are hinged to the outer side.
One end of the second rotating shaft 140 can be rotatably inserted in the middle of two clamping jaws 130 positioned at one end of the first rotating shaft 110, the other end of the second rotating shaft 140 can be rotatably inserted in the middle of two clamping jaws 130 positioned at the other end of the first rotating shaft 110, the second rotating shaft 140 divides the clamping jaws 130 into an upper half part and a lower half part, wherein the upper half part of the clamping jaws 130 and the connecting rod 120 surround to form a diamond with changeable area, and then a pipeline can be clamped or released through the lower half part of the clamping jaws 130, specifically, as shown in fig. 1 and 2, a straight rod section of the clamping jaws 130 is arranged as an upper half part, an arc rod section of the clamping jaws 130 is arranged as a lower half part, and a shape formed by the connecting rod 120 positioned at the same end of the first rotating shaft 110 and the straight rod section of the clamping jaws 130 is diamond; in use, as shown in fig. 2, when the first rotating shaft 110 moves in a direction approaching to the second rotating shaft 140, the area of the diamond shape is reduced, and the arc rod sections of the two clamping jaws 130 rotate around the axis of the second rotating shaft 140 in a direction away from each other, so that the arc rod sections of the two clamping jaws 130 are opened to release the pipeline; when the first rotating shaft 110 moves away from the second rotating shaft 140, the area of the diamond shape increases, and the arc rod sections of the two clamping jaws 130 rotate around the axis of the second rotating shaft 140 in directions approaching each other, so that the arc rod sections of the two clamping jaws 130 are folded, so as to clamp the pipeline.
A deformation part is arranged between the two clamping jaws 130 positioned on the same side of the first rotating shaft 110, and the deformation part is configured to elastically deform when the clamping jaws 130 clamp the pipeline so as to adapt to different pipe diameters of the pipeline.
In this embodiment, the deformation portion may be configured to include a clamping plate 160, where the clamping plate 160 has elasticity, and one end of the clamping plate 160 is slidably hinged on the lower half portion of the clamping jaw 130, and the other end of the clamping plate is hinged on the end portion of the lower half portion of the clamping jaw 130, specifically, as shown in fig. 1 and fig. 2, a chute 131 is disposed on an end surface of an arc rod section of the clamping jaw 130, the chute 131 is configured to be arc-shaped, and is coaxially disposed with the arc rod section of the clamping jaw 130, the clamping plate 160 is configured to be a plate-shaped structure, and a first connecting shaft is disposed at an upper end of the clamping plate 160, a second connecting shaft is disposed at a lower end of the clamping plate 160, and the clamping plate 160 is configured to be connected with two clamping jaws 130 disposed on the same side of the first connecting shaft 110 through the first connecting shaft, the second connecting shaft, one end of the first connecting shaft is inserted into the chute 131, and the other end of the first connecting shaft is inserted into the chute 131, and the axis of the first connecting shaft is disposed in parallel to the axis of the first connecting shaft 110 and is disposed far from the other end of the arc rod section.
In the process of hoisting the pipeline, firstly, hoisting the pipeline laying construction hoisting device to the position right above the pipeline, and enabling the axis of the first rotating shaft 110 and the axis of the pipeline to be arranged in parallel, then, lowering the pipeline laying construction hoisting device along the vertical direction, when the end parts of the arc rod sections of the clamping jaws 130 are abutted on the peripheral wall of the pipeline in the process of lowering the pipeline laying construction hoisting device, along with the continuous lowering of the pipeline laying construction hoisting device, the arc rod sections of the two clamping jaws 130 rotate around the axis of the second rotating shaft 140 in the direction away from each other under the combined action of the pushing action of the peripheral wall of the pipeline and the gravity, on the one hand, the first rotating shaft 110 synchronously drives the connecting rod 120 to move downwards in the direction close to the second rotating shaft 140, and the area of a diamond formed by the straight rod sections of the connecting rod 120 and the clamping jaws 130 is reduced, on the other hand, the arc rod sections of the two clamping jaws 130 are opened along the vertical direction and move downwards, so that the peripheral wall of the pipeline can be wrapped.
When the intersection between two clamping jaws 130 located at the same end of the first rotating shaft 110 is abutted to the peripheral wall of a pipeline, the pipeline laying construction hoisting device is hoisted upwards along the vertical direction, in the process of hoisting the pipeline laying construction hoisting device, the first rotating shaft 110 moves towards the direction far away from the second rotating shaft 140, and synchronously drives the connecting rod 120 to move upwards, so that the area of a diamond formed by the straight rod sections of the connecting rod 120 and the clamping jaws 130 is increased, the arc rod sections of the two clamping jaws 130 rotate towards the direction close to each other around the axis of the second rotating shaft 140, the arc rod sections of the two clamping jaws 130 are folded, and meanwhile, the first connecting shafts on the clamping plates 160 move downwards along the sliding grooves 131, so that the plate surface of the clamping plates 160 is changed into an arc surface from a plane shape to better adapt to the pipelines with different curvatures, and further, when the pipelines with smaller pipe diameters are clamped, the clamping jaws 130 have larger contact areas through the clamping plates 160 and the pipelines, so that the pipelines are prevented from being damaged due to stress concentration, and the larger pipe diameters are prevented from being clamped, the clamping jaws 130 have larger contact areas through the clamping plates 160 and the pipelines from being unnecessarily concentrated, and the necessary clamping the clamping forces are prevented from being increased.
After the pipeline is clamped, the pipeline laying construction hoisting device is hoisted to a preset height, and then the pipeline is hoisted to a construction station through the pipeline laying construction hoisting device so as to carry out the next operation.
It will be appreciated that the partial arc segments of the clamping jaw 130 may be provided with a greater thickness in the direction of the first axis, so that the clamping jaw 130 may provide a supporting force to the clamping plate 160 in the radial direction during lifting of the pipeline, thereby helping to enhance the clamping force of the clamping plate 160 to the pipeline and improving the stability during lifting of the pipeline.
It can be appreciated that the roller can be arranged at the bottom of the arc rod section of the clamping jaw 130, so that the friction mode between the end of the arc rod section of the clamping jaw 130 and the peripheral wall of the pipeline is changed from sliding friction to rolling friction in the process of hoisting the pipeline, so that the damage to the peripheral wall of the pipeline is reduced, and the integrity of the pipeline is further improved.
In other embodiments, the deformation portion may be an arc structure made of a material with elasticity and a larger friction coefficient, such as rubber, where the number of the deformation portions is equal to that of the clamping jaws 130, and the deformation portions are fixedly connected to the intrados of the arc rod section of the clamping jaws 130 during installation, so that the deformation portion can be elastically deformed to adapt to different pipe diameters of the pipe in the process of hoisting the pipe, and the position of the pipe can be fixed by friction force.
In some embodiments, the outer portion of the clamping plate 160 is further provided with a rigid positioning plate 150, the positioning plate 150 is configured to support the clamping plate 160, specifically, as shown in fig. 1, the positioning plate 150 is provided with an arc-shaped plate structure, the number of the positioning plates 150 is two, and the positioning plates are symmetrically arranged about the axis of the first rotating shaft 110, the positioning plate 150 is arranged between the arc rod sections of the two clamping jaws 130 on the same side of the first rotating shaft 110 when being installed, one end of the positioning plate 150 is fixedly connected to the inner end surface of the arc rod section of one clamping jaw 130, and the other end of the positioning plate is fixedly connected to the inner end surface of the arc rod section of the other clamping jaw 130; in the use process, when the pipeline is hoisted, the locating plate 150 can provide the supporting force for the clamping plate 160 along the radial direction, so that the clamping force of the clamping plate 160 on the pipeline is enhanced, and the stability of the pipeline is improved when the pipeline is hoisted.
In some embodiments, a hanging seat 100 is rotatably sleeved on the first rotating shaft 110, the hanging seat 100 is configured to be capable of being connected with lifting equipment, specifically, as shown in fig. 1, the hanging seat 100 is provided with a T-shaped block structure and is provided with a vertical section and a vertical section which are vertically and fixedly connected, wherein a first through hole is arranged on the left end face and the right end face of the horizontal section, a second through hole is arranged on the front end face and the rear end face of the vertical section, and the hanging seat 100 is arranged to be sleeved outside the first rotating shaft 110 through the second through hole when being installed; when the lifting device is used, the lifting equipment and the pipeline laying construction lifting device can be connected in a manner of fixing the steel cable or the lifting rope through the first through hole, so that the steel cable or the lifting rope is prevented from being directly wound on the first rotating shaft 110, and the transmission stability between the first rotating shaft 110 and the connecting rod 120 is prevented from being influenced.
In some embodiments, the pipelaying construction hoisting device is configured to further comprise a locking mechanism 200, the locking mechanism 200 being configured to lock a predetermined opening angle between two clamping jaws 130 located at the same end of the first shaft 110.
In this embodiment, the locking mechanism 200 is configured to include four limiting grooves 132 and two sliding seats 210, where the limiting grooves 132 are disposed on the clamping jaw 130 in a one-to-one correspondence, specifically, as shown in fig. 1 and fig. 4, the limiting grooves 132 are configured to be arc-shaped and are disposed between an inner end surface and an outer arc surface of the clamping jaw 130; the two sliding seats 210 are both sleeved on the second rotating shaft 140 and can slide along the axial direction of the second rotating shaft 140, and have corresponding locking positions and unlocking positions before and after sliding, specifically, as shown in fig. 6, 7 and 8, the sliding seats 210 are configured as a cylindrical structure and are configured to be sleeved on the second rotating shaft 140 during installation; each sliding seat 210 is provided with two limiting frames 220 in a crossing manner, when the sliding seats are in a locking position, the limiting frames 220 are correspondingly inserted into the limiting grooves 132 one by one so as to limit the minimum angle at which the clamping jaw 130 can be folded, and when the sliding seats are in an unlocking position, the limiting frames 220 and the limiting grooves 132 are separated from the insertion connection, and the clamping jaw 130 can freely rotate around the axis of the second rotating shaft 140.
Initially, the two sliding seats 210 are both in a locking position, and the limiting frames 220 are inserted in the limiting grooves 132 in a one-to-one correspondence manner, so that an included angle between the two clamping jaws 130 positioned at the same end of the first rotating shaft 110 is equal to a preset opening angle; in the process of hoisting the pipeline, as the pipeline laying construction hoisting device continuously descends, the two clamping jaws 130 positioned at the same end of the first rotating shaft 110 can directly cover the peripheral wall of the pipeline, so that the efficiency of hoisting the pipeline is improved while the end parts of the arc rod sections of the clamping jaws 130 are prevented from scratching the peripheral wall of the pipeline; then, the two sliding seats 210 are driven to move to the unlocking position along the axial direction of the second rotating shaft 140 towards the direction approaching to each other, so that the limiting frame 220 and the limiting groove 132 are separated from the insertion connection; then along vertical direction, upwards hoist pipeline laying construction hoist device, at pipeline laying construction hoist device in-process of hoisting, first pivot 110 is at first to the direction of keeping away from second pivot 140 removal, and synchronous drive connecting rod 120 upwards moves, the area of the rhombus that makes up of straight-bar section of connecting rod 120 and clamping jaw 130 is increased, the arc pole section of two clamping jaws 130 is around the axis of second pivot 140, rotate to the direction that is close to each other, make the arc pole section of two clamping jaw 130 draw in, first connecting axle on clamping plate 160 all moves downwards along spout 131 simultaneously, make the face of clamping plate 160 become the cambered surface by the plane deformation, pipeline with different curvatures with better adaptation.
After the pipeline is moved to the construction station and released, the two sliding seats 210 are driven to move to the locking positions along the axial direction of the second rotating shaft 140 in the direction away from each other, so that the limiting frames 220 are correspondingly inserted in the limiting grooves 132 one by one, and the included angle between the two clamping jaws 130 positioned at the same end of the first rotating shaft 110 is equal to the preset opening angle, so that the next hoisting is facilitated.
In a further embodiment, the locking mechanism 200 is configured to further include an adjusting portion configured to be capable of adjusting the magnitude of the preset opening angle according to different pipe diameters of the pipes.
In this embodiment, the clamping jaw 130 is provided with a clamping hole 133 that is communicated with the limiting groove 132, specifically, as shown in fig. 1 and 2, the clamping hole 133 is disposed at the end of the limiting groove 132 and is communicated with the limiting groove 132; the limiting frame 220 is configured to be capable of rotating around the axis of the second rotating shaft 140, specifically, as shown in fig. 7 and 8, the limiting frame 220 is configured to have a limiting toothed ring 221 and an inserting rod 222, wherein the limiting toothed ring 221 is configured to be an annular structure, a circle of first latch is arranged on one end surface, the inserting rod 222 is configured to be an L-shaped rod-shaped structure, one end of the inserting rod 222 is fixedly connected to the peripheral wall of the limiting toothed ring 221 during installation, the other end of the inserting rod is parallel to the axis of the limiting toothed ring 221 and is suspended, the limiting frame 220 is coaxially and rotatably sleeved on the sliding seat 210 through the limiting toothed ring 221 during installation, and one end of the limiting toothed ring 221 with the first latch is arranged back to the connecting rod 120 and one suspended end of the inserting rod 222 is arranged towards the connecting rod 120; the adjusting part is configured to include a first piston cylinder 141, a limiting toothed plate 142, a first adjusting component and a second adjusting component, where at least two first piston cylinders 141 are symmetrically disposed on the second rotating shaft 140.
One end of the sliding seat 210 is slidably and sealingly inserted into the first piston cylinder 141 and divides the interior of the first piston cylinder 141 into a first chamber and a second chamber, specifically, as shown in fig. 7 and 8, a first piston rod 211 is disposed at one end of the connecting rod 120 far away from the sliding seat 210, and when mounted, the first piston rod 211 is slidably and sealingly inserted into the first piston cylinder 141 and divides the interior of the first piston cylinder 141 into a first chamber and a second chamber, specifically, as shown in fig. 7, the left side of the first piston cylinder 141 is a second chamber, and the right side is a first chamber; initially, filling a gas of a preset volume in the first chamber so that the pressure in the first chamber is greater than the atmospheric pressure; the number of the limiting toothed plates 142 is two, and the limiting toothed plates 142 are symmetrically arranged on the second rotating shaft 140, the limiting toothed plates 142 are configured to be capable of being clamped with the limiting frame 220 so as to limit the rotation of the limiting frame 220, specifically, as shown in fig. 8, the limiting toothed plates 142 are arranged to be of a fan-shaped plate-shaped structure, the limiting toothed plates 142 are coaxially sleeved outside the second rotating shaft 140 during installation, and second clamping teeth capable of being clamped with the first clamping teeth are arranged on the surface, facing the connecting rod 120, of the limiting toothed plates 142.
When the clamping jaw 130 clamps the pipeline, the second adjusting component drives the sliding seat 210 to move to the unlocking position by changing the pressure of the second chamber until the limiting frame 220 is inserted into the clamping hole 133, so that the limiting frame 220 can rotate along with the clamping jaw 130; when the clamping jaw 130 releases the pipeline, the first adjusting component changes the pressure of the first chamber to drive the sliding seat 210 to move to the locking position to the clamping connection between the limiting frame 220 and the limiting toothed plate 142.
In this embodiment, the first adjusting assembly includes two second piston cylinders 230 and two second piston rods 240, as shown in fig. 6, 7 and 8, wherein the second piston cylinders 230 are hinged on the second rotating shaft 140 at one end and suspended at the other end, and each second piston cylinder 230 is communicated with a first communication pipe 231, and the first communication pipe 231 is communicated with the first chamber; the number of the second piston rods 240 is two, and the second piston rods are arranged in one-to-one correspondence with the second piston cylinders 230, one ends of the second piston rods 240 can be inserted in the second piston cylinders 230 in a sealing sliding manner, and the other ends of the second piston rods 240 are hinged to the clamping plates 160.
In the present embodiment, the second adjusting assembly is provided to include the third piston cylinders 250, the third piston rods 260, and the check valves 270, as shown in fig. 2 and 6, the number of the third piston cylinders 250 is two, and are respectively provided at both ends of the second rotating shaft 140, the circumferential side wall of each third piston cylinder 250 at the lower side is communicated with the second communicating tube 251, and the second communicating tube 251 is communicated with the second chamber; the number of the third piston rods 260 is two, the third piston rods 260 are arranged in one-to-one correspondence with the third piston cylinders 250, one end of each third piston rod 260 can be inserted in the third piston cylinder 250 in a sealing sliding manner, the other end of each third piston rod 260 is arranged downwards in the vertical direction in use, and specifically, as shown in fig. 8, each third piston rod 260 is of a T-shaped rod-shaped structure and is provided with a round rod section and a square rod section which are vertically connected, wherein one end of each round rod section is arranged in a manner that one end of each round rod section can be inserted in the third piston cylinder 250 in a sealing sliding manner in installation, and the other end of each round rod section is fixedly connected to the middle part of the square rod section; the number of the check valves 270 is two, and is disposed in one-to-one correspondence with the third piston cylinder 250, and the check valves 270 are disposed at the top of the third piston cylinder 250 and configured to be capable of unidirectionally introducing the gas of the external environment into the inside of the third piston cylinder 250.
Initially, the two sliding seats 210 are both in locking positions, the limiting frames 220 are inserted in the limiting grooves 132 in a one-to-one correspondence manner, but are not inserted into the clamping holes 133, and the first clamping teeth on the limiting toothed ring 221 are clamped with the second clamping teeth on the limiting toothed plate 142, so that the included angle between the two clamping jaws 130 at the same end of the first rotating shaft 110 is equal to a preset opening angle; in the process of hoisting the pipeline, along with the continuous lowering of the pipeline laying construction hoisting device, the two clamping claws 130 positioned at the same end of the first rotating shaft 110 can directly cover the peripheral wall of the pipeline, and meanwhile, the third piston rod 260 is driven to be inserted into the third piston cylinder 250 under the pushing action of the pipeline, so that the gas in the third piston cylinder 250 is introduced into the second cavity through the second communicating pipe 251, and the pressure in the second cavity is increased.
Then lifting the pipe laying construction lifting device upwards along the vertical direction, in the process of lifting the pipe laying construction lifting device, the first rotating shaft 110 moves towards the direction far away from the second rotating shaft 140 at first, and synchronously drives the connecting rod 120 to move upwards, so that the area of a diamond formed by the connecting rod 120 and the straight rod sections of the clamping jaws 130 is increased, the arc rod sections of the two clamping jaws 130 rotate towards the direction close to each other around the axis of the second rotating shaft 140, the arc rod sections of the two clamping jaws 130 are folded, meanwhile, the first connecting shaft on the clamping plate 160 moves downwards along the sliding groove 131, the first connecting shaft synchronously drives the second piston rod 240 to pull out the second piston cylinder 230, so that gas in the first cavity enters the second piston cylinder 230 through the first connecting pipe 231, the pressure in the first cavity is reduced, when the pressure in the second cavity is higher than the pressure in the first cavity, the sliding seat 210 is pushed to move towards the direction close to the end of the second rotating shaft 140 through the first piston rod 211 under the action of pressure difference, and the sliding seat 210 synchronously drives the limiting frame 220 to move into the inserting rod 222 to the clamping frame 133 along with the limiting frame 130; after the insertion rod 222 is inserted into the card hole 133, the third piston rod 260 continues to move upward and passes through the communication between the second communication tube 251 and the third piston cylinder 250, at which time the second communication tube 251 communicates with the external environment, and the pressure in the second chamber is equal to the atmospheric pressure.
After the pipeline is moved to the construction station, the intersection of the two clamping jaws 130 at the same end of the first rotating shaft 110 and the lower end part of the third piston rod 260 play a supporting role together, the lifting seat 100 drives the first rotating shaft 110 to move towards the direction close to the second rotating shaft 140 under the action of dead weight, the first rotating shaft 110 synchronously drives the connecting rod 120 to move downwards, so that the area of a diamond formed by the connecting rod 120 and the straight rod sections of the clamping jaws 130 is reduced, and the arc rod sections of the two clamping jaws 130 are opened, so that the pipeline is released conveniently; the arc rod sections of the two clamping jaws 130 simultaneously drive the limiting frame 220 to rotate through the inserted rod 222; meanwhile, the clamping plate 160 resets under the self elastic action and drives the first connecting shaft to move upwards along the sliding groove 131, the first connecting shaft synchronously drives the second piston rod 240 to be inserted into the second piston cylinder 230, so that gas in the second piston cylinder 230 enters into the first cavity through the first connecting pipe 231, the pressure in the first cavity is increased, the sliding seat 210 is driven by the first piston rod 211 to move towards the middle direction close to the second rotating shaft 140 under the action of pressure difference, the sliding seat 210 synchronously drives the limiting frame 220 to move to the first clamping teeth on the limiting toothed ring 221 and the second clamping teeth on the limiting toothed plate 142 to be clamped, at the moment, the limiting frames 220 are correspondingly spliced in the limiting grooves 132 one by one, and the inserting rods 222 are separated from the clamping holes 133, so that the included angle between the two clamping jaws 130 positioned at the same end of the first rotating shaft 110 is equal to a preset opening angle, and the next hoisting is convenient.
It can be appreciated that the pipes with different pipe diameters have different angles of opening the arc rod sections of the two clamping jaws 130, and the larger the pipe diameter of the clamped pipe is, the larger the angle of opening the arc rod sections of the two clamping jaws 130 is, so that the angles of rotation of the inserting rods 222 are different, and the magnitude of the preset opening angle is changed.
Then, the pipe laying construction hoisting device is hoisted upwards along the vertical direction, the third piston rod 260 is reset under the action of dead weight, and the air in the external environment is introduced into the third piston cylinder 250 through the one-way valve 270, so that the next use is facilitated.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The pipeline laying construction hoisting device is characterized by comprising a first rotating shaft and a second rotating shaft which are arranged in parallel, wherein two ends of the first rotating shaft are respectively hinged with two connecting rods, and the other end of each connecting rod is hinged with a clamping jaw; one end of the second rotating shaft can be rotatably inserted in the middle of two clamping jaws at one end of the first rotating shaft, the other end of the second rotating shaft can be rotatably inserted in the middle of two clamping jaws at the other end of the first rotating shaft, the second rotating shaft divides the clamping jaws into an upper half part and a lower half part, the upper half part of the clamping jaws and the connecting rod encircle to form a diamond with changeable area, and then a pipeline can be clamped or released through the lower half parts of the clamping jaws;
and deformation parts are arranged between the two clamping jaws positioned on the same side of the first rotating shaft, and are configured to elastically deform when the clamping jaws clamp the pipeline so as to adapt to different pipe diameters of the pipeline.
2. The pipe laying construction hoist of claim 1, characterized in that the deformation portion includes a clamping plate having elasticity and having one end slidably hinged to the lower half of the clamping jaw and the other end hinged to an end of the lower half of the clamping jaw.
3. The pipe laying construction hoist of claim 2, characterized in that it further comprises a locking mechanism configured to lock a preset opening angle between two of the jaws located at the same end of the first rotation shaft.
4. The pipe laying construction hoisting device according to claim 3, wherein the locking mechanism comprises four limit grooves and two sliding seats, and the limit grooves are arranged on the clamping jaws in a one-to-one correspondence manner; the two sliding seats are sleeved on the second rotating shaft and can slide along the axis direction of the second rotating shaft, corresponding locking positions and unlocking positions are arranged before and after sliding, two limiting frames are arranged on each sliding seat in a crossing mode, when the sliding seats are located at the locking positions, the limiting frames are inserted in the limiting grooves in a one-to-one correspondence mode, so that the clamping jaws can be limited to be folded at the minimum angle, when the sliding seats are located at the unlocking positions, the limiting frames are separated from the limiting grooves, and the clamping jaws can freely rotate around the axis of the second rotating shaft.
5. The pipe laying construction hoist of claim 4, characterized in that the locking mechanism further comprises an adjusting portion configured to adjust the magnitude of the preset flare angle according to different pipe diameters of the pipe.
6. The pipe laying construction hoisting device according to claim 5, wherein the clamping jaw is provided with a clamping hole communicated with the limit groove; the limiting frame is arranged to be rotatable around the axis of the second rotating shaft; the adjusting part comprises a first piston cylinder, a limiting toothed plate, a first adjusting component and a second adjusting component, wherein the number of the first piston cylinders is at least two, and the first piston cylinders are symmetrically arranged on the second rotating shaft; one end of the sliding seat can be inserted into the first piston cylinder in a sealing and sliding manner, and the first piston cylinder is divided into a first chamber and a second chamber; the number of the limiting toothed plates is two, the limiting toothed plates are symmetrically arranged on the second rotating shaft, and the limiting toothed plates can be clamped with the limiting frame to limit the rotation of the limiting frame; when the clamping jaw clamps the pipeline, the second adjusting component drives the sliding seat to move to the unlocking position by changing the pressure of the second chamber until the limiting frame is inserted into the clamping hole, so that the limiting frame can rotate along with the clamping jaw; when the clamping jaw releases the pipeline, the first adjusting component drives the sliding seat to move to the locking position by changing the pressure of the first cavity to be clamped with the limiting frame and the limiting toothed plate.
7. The pipe laying construction hoisting device according to claim 6, wherein the first adjusting assembly comprises two second piston cylinders and second piston rods, wherein one end of each second piston cylinder is hinged to the second rotating shaft, the other end of each second piston cylinder is suspended, a first communication pipe is communicated with each second piston cylinder, and the first communication pipe is communicated with the first chamber; the number of the second piston rods is two, the second piston rods are in one-to-one correspondence with the second piston cylinders, one ends of the second piston rods can be inserted in the second piston cylinders in a sealing sliding mode, and the other ends of the second piston rods are hinged to the clamping plates.
8. The pipe laying construction hoisting device according to claim 6, wherein the second adjusting assembly comprises a third piston cylinder, a third piston rod and a one-way valve, the number of the third piston cylinders is two, the third piston cylinders are respectively arranged at two ends of the second rotating shaft, a second communicating pipe is communicated with the circumferential side wall of the lower part of each third piston cylinder, and the second communicating pipe is communicated with the second chamber; the number of the third piston rods is two, the third piston rods are arranged in one-to-one correspondence with the third piston cylinders, one ends of the third piston rods can be inserted in the third piston cylinders in a sealing sliding manner, and the other ends of the third piston rods are arranged downwards along the vertical direction when the third piston rods are used; the number of the one-way valves is two, the one-way valves are arranged in one-to-one correspondence with the third piston cylinder, and the one-way valves are arranged at the top of the third piston cylinder and are configured to be capable of unidirectionally introducing air in the external environment into the third piston cylinder.
9. The pipe laying construction hoist of claim 2, characterized in that the exterior of the clamping plate is further provided with a rigid positioning plate configured to support the clamping plate.
10. The pipe laying construction hoist apparatus of claim 1, characterized in that a hanger is rotatably coupled to the first shaft, the hanger being configured to be connectable to a lifting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311832355.2A CN117775964B (en) | 2023-12-28 | 2023-12-28 | Pipeline laying construction hoist device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311832355.2A CN117775964B (en) | 2023-12-28 | 2023-12-28 | Pipeline laying construction hoist device |
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| Publication Number | Publication Date |
|---|---|
| CN117775964A true CN117775964A (en) | 2024-03-29 |
| CN117775964B CN117775964B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311832355.2A Active CN117775964B (en) | 2023-12-28 | 2023-12-28 | Pipeline laying construction hoist device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118062719A (en) * | 2024-04-22 | 2024-05-24 | 江苏新长江无缝钢管制造有限公司 | Seamless steel pipe lifts by crane transfer device |
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| JPH09278348A (en) * | 1996-04-15 | 1997-10-28 | Sakai Tekkosho:Kk | Hanging clamp |
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| CN118062719A (en) * | 2024-04-22 | 2024-05-24 | 江苏新长江无缝钢管制造有限公司 | Seamless steel pipe lifts by crane transfer device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117775964B (en) | 2024-06-18 |
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