CN117163775A - Cable drum lifting and pulling device and method - Google Patents

Abstract

The invention relates to the technical field of ship cable laying, and discloses a cable drum lifting and pulling device and a method. The cable drum lifting and pulling device comprises a rotating shaft and two symmetrically placed cable placing tools, wherein the rotating shaft is used for penetrating through a central hole of a cable drum, the two cable placing tools are identical in structure and synchronously act, the cable placing tools comprise a frame, a lifting mechanism and a cable placing mechanism, the lifting mechanism is arranged on the frame, the end part of the rotating shaft horizontally penetrates through the lifting mechanism, the lifting mechanism is used for driving the rotating shaft and the cable drum on the rotating shaft to lift, the end part of the rotating shaft is connected to the cable placing mechanism in a transmission manner, and the cable placing mechanism is used for driving the rotating shaft to rotate around the axis of the rotating shaft and driving the cable drum to rotate so as to discharge or retract a cable on the cable drum. According to the lifting and pulling-out device and method for the cable drum, the cable drum is lifted and pulled out through the special cable-laying tool, the cable drum is not limited by a crane, waiting is not needed, the construction efficiency is high, and the requirement of construction progress can be met.

Description

Cable drum lifting and pulling device and method

Technical Field

The invention relates to the technical field of ship cable laying, in particular to a cable drum lifting and pulling device and a method.

Background

The types and specifications of ship cables are classified into a plurality of types and specifications, the ship cables are distributed in all cabins of the whole ship, the cable laying in the ship building process accounts for about half of the electric professional workload, and the cables are generally stored and shipped by adopting cable reels.

In order to reduce the loss of the cable, the cable is usually laid by pulling in place on site and then cutting. At present, some cable reels are replaced in a hoisting mode of a crane, namely the cable reels are firstly hoisted to an A-type frame by the crane to pull and put the cable, and then the crane is used for replacing the cable reels after one drum is pulled and put, so that the cable on the next cable reel is continuously pulled and put. However, the crane is very frequently used, long in waiting time, extremely low in construction efficiency, limited by the crane and incapable of meeting the requirement of construction progress.

Accordingly, there is a need for a cable reel lifting and pulling device and method to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a lifting and pulling-out device for a cable drum, which is used for lifting and pulling-out the cable drum through a special tool, has high construction efficiency and can meet the requirement of construction progress.

The invention aims to provide a lifting and pulling-out method for a cable reel, which is realized by adopting the lifting and pulling-out device for the cable reel, has high construction efficiency and can meet the requirement of construction progress.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a cable drum goes up and down to draw puts device, includes that pivot and two symmetries place the cable frock of putting, the pivot is used for passing the centre bore of cable drum, two cable frock structure is the same and synchronous action, cable frock includes:

a frame;

the lifting mechanism is arranged on the frame, the end part of the rotating shaft horizontally penetrates through the lifting mechanism, and the lifting mechanism is used for driving the rotating shaft and the cable drum on the rotating shaft to lift;

the cable laying mechanism is connected to the end part of the rotating shaft in a transmission manner, and is used for driving the rotating shaft to rotate around the axis of the rotating shaft and driving the cable drum to rotate so as to lay or retract the cable on the cable drum.

As an alternative, the lifting mechanism includes:

the rotating piece is rotatably arranged at the top of the frame, a first threaded hole penetrating along the axial direction of the rotating piece is arranged at the center of the rotating piece,

the force application rod is arranged on the circumferential side wall of the rotating piece;

the screw rod penetrates through the first threaded hole along the vertical direction and is in threaded connection with the first threaded hole;

the bearing part is connected with the bottom end of the screw rod, and the end part of the rotating shaft can horizontally penetrate through the bearing part.

As an alternative scheme, elevating system still includes bearing frame and thrust bearing, the bearing frame set up in the top of frame, be equipped with the accommodation hole on the bearing frame, thrust bearing's seat circle set up in the accommodation hole, thrust bearing's pedestal ring with the rotor cooperation.

As an alternative scheme, the bearing part comprises a connecting piece and a bearing piece, the top of the connecting piece is in threaded connection with the screw rod, the bottom of the connecting piece is fixedly welded with the bearing piece, and a through hole for the rotating shaft to pass through is formed in the bearing piece.

As an alternative scheme, the bearing piece comprises two baffles arranged at intervals, two bolts are arranged between the two baffles in a penetrating mode, nuts are locked on the bolts, bearings are rotatably arranged on the bolts and between the two baffles, and the periphery of the rotating shaft is respectively tangential to the side walls of the two bearings in a rolling mode.

As an alternative, the rack includes:

a supporting plate;

the support legs are obliquely arranged and gathered from bottom to top to the middle;

a middle reinforcing plate is connected between the middle parts of two adjacent supporting legs;

and one bottom reinforcing plate is connected between the bottoms of every two adjacent supporting legs.

As an alternative scheme, be fixed with the backup pad on the middle part reinforcing plate, be fixed with the gag lever post that extends along vertical direction in the backup pad, the gag lever post peg graft in two in the clearance between the baffle.

As an alternative, the cable laying mechanism includes:

a driving member;

the reduction gearbox is connected with the output end of the driving piece;

a first sprocket and a second sprocket, wherein the first sprocket is connected to the output shaft of the reduction gearbox, the second sprocket is connected with the rotating shaft,

and a chain engaged with outer peripheries of the first sprocket and the second sprocket and being commonly tensioned by the first sprocket and the second sprocket.

The lifting and pulling method of the cable drum is realized by adopting the lifting and pulling device of any one of the above, the lifting mechanism comprises a rotating piece, a screw rod connected with the rotating piece in a threaded manner and a bearing part connected with the bottom of the screw rod, and the cable releasing mechanism comprises a driving piece, a reduction gearbox, a second sprocket, a chain and a first sprocket connected with an output shaft of the reduction gearbox; the method comprises the following specific steps:

step S10: pushing the cable drum between two cable laying tools, enabling the rotating shaft to pass through a central hole of the cable drum, and sleeving bearing pieces of the bearing parts of the two cable laying tools into two ends of the rotating shaft respectively;

step S20: simultaneously rotating the rotating parts of the two cable laying tools to enable the corresponding screw rods to ascend and drive the rotating shafts and the cable drums on the rotating shafts to ascend to a first preset height;

step S30: the second sprocket is arranged on the rotating shaft, the chains are arranged on the peripheries of the first sprocket and the second sprocket, and the rotating piece is continuously rotated to enable the rotating shaft to rise to a second preset height, so that the chains are tensioned;

step S40: starting a driving piece to enable the rotating shaft and the cable drum to synchronously rotate so as to pay out or retract a cable on the cable drum;

step S50: and when the cable is pulled and put, simultaneously rotating the rotating parts of the two cable placing tools so as to enable the corresponding screw rods to descend and drive the cable drum to descend to the ground, removing the rotating shaft and removing the cable drum, and repeating the steps S10-S40 so as to lift and pull and put the next cable drum.

As an alternative, the step S10 specifically includes:

step S11: symmetrically placing two cable laying tools at intervals, pushing the cable drum between the two cable laying tools, and then enabling the rotating shaft to pass through a central hole of the cable drum;

step S12: the height of the screw is adjusted by rotating the rotating piece, so that the through hole of the bearing piece is consistent with the height of the rotating shaft, and then the two cable laying tools are moved to sleeve the bearing pieces of the two cable laying tools into two ends of the rotating shaft respectively.

The beneficial effects of the invention are as follows:

when the cable drum lifting pulling and releasing device is used, the two cable placing tools are placed at intervals symmetrically, the cable drum is pushed into the space between the two cable placing tools, the rotating shaft penetrates through the center hole of the cable drum, and the two cable placing tools are moved towards the direction close to each other, so that lifting mechanisms of the two cable placing tools are sleeved at two ends of the rotating shaft respectively, and the distances between the two ends of the rotating shaft are adjusted to be equal, so that stress balance of the rotating shaft is ensured. Then, the rotating shaft and the cable drum are driven to ascend through the lifting mechanism, after the cable drum is at a preset height from the ground, the cable laying mechanism is started to drive the rotating shaft to synchronously rotate around the axis of the cable drum, and the cable drum is fixedly connected with the rotating shaft, so that the cable drum is driven to rotate to lay or retract the cable on the cable drum. And when the cable winding and unwinding is finished, the cable drum is lowered to the ground through the lifting mechanism, the rotating shaft is removed, the cable drum is removed, and the steps are repeated to lift and unwind the next cable drum. This cable drum goes up and down to draw and puts device, goes up and down and draws the cable to draw through dedicated cable frock to cable drum and put, does not receive the restriction of loop wheel machine, need not to wait, and the efficiency of construction is high, can satisfy the requirement of construction progress.

The cable drum lifting and pulling-out method is realized by adopting the cable drum lifting and pulling-out device, has high construction efficiency and can meet the requirement of construction progress.

Drawings

For a more obvious and understandable description of embodiments of the invention or solutions according to the prior art, reference will be made to the accompanying drawings, which are used in the description of the embodiments or the prior art and which are examples of the invention, and from which other drawings can be obtained without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a cable drum lifting and pulling device according to an embodiment of the present invention;

fig. 2 is a left side view of a cable laying tool according to an embodiment of the present invention;

FIG. 3 is a front view of a cable laying tool provided by an embodiment of the invention;

FIG. 4 is a top view of a rack provided by an embodiment of the present invention;

FIG. 5 is an axial cross-sectional view of a rotor provided in an embodiment of the present invention;

FIG. 6 is an axial cross-sectional view of a bearing housing provided by an embodiment of the present invention;

FIG. 7 is a schematic view of a carrier according to an embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating the cooperation between a shaft and a bearing according to an embodiment of the present invention;

FIG. 9 is a schematic diagram illustrating the cooperation of the rotating shaft and the second sprocket according to an embodiment of the present invention;

fig. 10 is a specific flowchart of a cable drum lifting and pulling method according to an embodiment of the present invention;

fig. 11 is a specific flowchart of step S10 provided in the embodiment of the present invention.

In the figure:

10. a cable laying tool;

11. a frame; 111. a supporting plate; 112. support legs; 113. a middle reinforcing plate; 114. a bottom reinforcing plate; 115. a support plate; 116. a limit rod;

12. a lifting mechanism; 121. a rotating member; 1211. a first threaded hole; 1212. a second threaded hole; 122. a force application rod; 123. a screw; 124. a carrying part; 1241. a connecting piece; 1242. a carrier; 1243. a through hole; 1244. a baffle; 1245. a bolt; 1246. a nut; 1247. a bearing; 125. a bearing seat; 1251. an accommodation hole;

13. a cable releasing mechanism; 131. a driving member; 132. a reduction gearbox; 133. a first sprocket; 134. a second sprocket; 1341. a first pin hole; 135. a chain;

20. a rotating shaft; 21. a second pin hole; 30. a cable drum.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, this embodiment provides a cable drum lifting and pulling device, which includes a rotating shaft 20 and two symmetrically placed cable-laying tools 10, wherein the rotating shaft 20 is used for penetrating through a central hole of a cable drum 30, and the two cable-laying tools 10 have the same structure and act synchronously.

Specifically, as shown in fig. 2 and 3, each cable laying tool 10 includes a frame 11, a lifting mechanism 12 and a cable laying mechanism 13, the lifting mechanism 12 is disposed on the frame 11, two ends of the rotating shaft 20 are respectively horizontally disposed on the lifting mechanisms 12 of the two cable laying tools 10 in a penetrating manner, and the two lifting mechanisms 12 synchronously act to drive the rotating shaft 20 and the cable drum 30 thereon to lift. The two ends of the rotating shaft 20 are respectively connected to the cable releasing mechanisms 13 of the two cable releasing tools 10 in a transmission way, and the two cable releasing mechanisms 13 act synchronously and are used for driving the rotating shaft 20 to rotate around the axis of the rotating shaft and driving the cable drum 30 to rotate so as to release or retract the cable on the cable drum 30.

When the cable laying device is used, firstly, two cable laying tools 10 are symmetrically placed on a plane at intervals, then a cable drum 30 is pushed into a space between the two cable laying tools 10, a rotating shaft 20 penetrates through a central hole of the cable drum 30, and then the two cable laying tools 10 are moved towards directions close to each other, so that lifting mechanisms 12 of the two cable laying tools 10 are respectively sleeved at two ends of the rotating shaft 20, and the distances between the two ends of the rotating shaft 20 are adjusted to be equal, so that stress balance of the rotating shaft 20 is ensured. Then, the lifting mechanism 12 drives the rotating shaft 20 and the cable drum 30 to ascend, and after the cable drum 30 is at a preset height from the ground, the cable laying mechanism 13 is started to drive the rotating shaft 20 to rotate around the axis of the cable drum, and the cable drum 30 is fixedly connected with the rotating shaft 20, so that the cable drum 30 is driven to rotate to lay or retract the cable on the cable drum 30. At the end of the cable winding and unwinding, the cable drum 30 is lowered to the ground by the lifting mechanism 12, the spindle 20 is removed and the cable drum 30 is removed, and the above steps are repeated for the next lifting and unwinding of the cable drum 30. The cable drum lifting and pulling and releasing device provided by the embodiment lifts and releases the cable drum 30 through the special cable releasing tool 10, is not limited by a crane, is not required to wait, has high construction efficiency, can meet the requirement of construction progress, can realize automatic pulling and releasing of cables, effectively saves working time and reduces labor intensity of workers.

Further, as shown in fig. 2 to 4, the frame 11 includes a supporting plate 111, a plurality of supporting legs 112, a middle reinforcing plate 113 and a bottom reinforcing plate 114, the supporting legs 112 are fixed at the bottom of the supporting plate 111 by welding, the supporting legs 112 are obliquely arranged and gathered from bottom to top, a middle reinforcing plate 113 is connected between the middle parts of two adjacent supporting legs 112, a bottom reinforcing plate 114 is connected between the bottoms of every two adjacent supporting legs 112, and the frame structure is integrally constructed to be narrow at the top and wide at the bottom, so that the frame structure is firm in overall architecture, not easy to topple over and convenient to move.

Referring to fig. 2 to 4, in the present embodiment, the frame 11 includes four support legs 112, four bottom reinforcing plates 114, and two middle reinforcing plates 113, the bottom reinforcing plates 114 being fixed between bottoms of any two adjacent support legs 112 by welding, one middle reinforcing plate 113 being fixed between middle portions of two adjacent support legs 112 by welding, the other middle reinforcing plate 113 being fixed between middle portions of the other two adjacent support legs 112 by welding, the two middle reinforcing plates 113 being disposed opposite to each other. The frame 11 has a simple and firm structure and is not easy to fall down.

Further, as shown in fig. 2, 3 and 5, the lifting mechanism 12 includes a rotating member 121, a force applying rod 122, a screw 123 and a bearing portion 124, the rotating member 121 is rotatably disposed at the center of the supporting plate 111, a first threaded hole 1211 penetrating along the axial direction of the rotating member 121 is disposed at the center of the rotating member 121, the force applying rod 122 is disposed on the circumferential side wall of the rotating member 121, the screw 123 penetrates through the first threaded hole 1211 along the vertical direction and is in threaded connection with the first threaded hole 1211, the bearing portion 124 is connected with the bottom end of the screw 123, and the end portion of the rotating shaft 20 can horizontally penetrate through the bearing portion 124. The screw 123 is screwed with the rotating member 121, and the rotating member 121 is rotated by the urging lever 122, so that the screw 123 can be driven to rise or fall, thereby driving the rotating shaft 20 and the cable drum 30 to rise or fall. In use, two operators need to synchronously rotate the rotating members 121 of the two cable laying tools 10, so that the corresponding screws 123 ascend or descend, and drive the rotating shaft 20 and the cable drum 30 thereon to ascend or descend smoothly and slowly.

The force application rod 122 can facilitate the operator to rotate the rotating member 121, so as to achieve the purpose of saving labor. In the present embodiment, the number of the urging levers 122 is two, and the two urging levers 122 are symmetrically arranged about the rotating member 121. As shown in fig. 5, two second symmetrically arranged threaded holes 1212 are provided on the circumferential side wall of the rotating member 121, and the urging rod 122 is screwed into the corresponding second threaded holes 1212. In other embodiments, the number of the force applying rods 122 may be two or more, and the two or more force applying rods 122 may be radially distributed around the rotating member 121, and may be flexibly arranged according to actual needs, which is not particularly limited herein.

Further, as shown in fig. 2, 3 and 6, the lifting mechanism 12 further includes a bearing seat 125 and a thrust bearing, the bearing seat 125 is welded on the supporting plate 111 of the frame 11, the bearing seat 125 is provided with a receiving hole 1251, a seat ring of the thrust bearing is disposed in the receiving hole 1251, and a shaft ring of the thrust bearing is matched with the rotating member 121. During operation, the rotating member 121 compresses the thrust bearing, so that the friction force generated during rotation of the rotating member 121 is greatly reduced, and the rotation of the rotating member 121 is easier and smoother, so that the purpose of saving labor is achieved.

As shown in fig. 2, 3 and 8, the bearing part 124 includes a connecting piece 1241 and a bearing piece 1242, the top of the connecting piece 1241 is in threaded connection with the screw 123, the bottom is welded and fixed with the bearing piece 1242, and a through hole 1243 for the rotating shaft 20 to pass through is provided on the bearing piece 1242. The above arrangement makes the whole structure of the bearing portion 124 stable, and has a strong bearing capacity.

Specifically, as shown in fig. 7 and 8, the carrier 1242 includes two baffles 1244 disposed at intervals, the through holes 1243 are located on the baffles 1244, two bolts 1245 are disposed between the two baffles 1244, a nut 1246 is locked on each bolt 1245, a bearing 1247 is rotatably disposed on each bolt 1245 and between the two baffles 1244, an outer circumferential surface of the rotating shaft 20 is tangential to the outer circumferential surfaces of the two bearings 1247, and the rotating shaft 20 is in rolling fit with the two bearings 1247. The rotating shaft 20 is in clearance fit with the through hole 1243, and the rotating shaft 20 is stably positioned in the through hole 1243 of the bearing part 1242 under the supporting action of the two bearings 1247, and when the cable laying mechanism 13 drives the rotating shaft 20 to rotate, the rotating shaft 20 is in rolling fit with the two bearings 1247, so that sliding friction is converted into rolling friction, the friction force born by the rotating shaft 20 is reduced, the rotating shaft 20 is easy and smooth to rotate, and the cable can be conveniently pulled out from the cable drum 30, laid to the position of a designated area or conveniently retracted into the cable drum 30.

Further, as shown in fig. 2 and 3, a supporting plate 115 is welded and fixed on the middle reinforcing plate 113, a limiting rod 116 extending along the vertical direction is welded and fixed on the supporting plate 115, the limiting rod 116 is inserted into a gap between two baffles 1244, and the bearing part 1242 can move up and down relative to the limiting rod 116. When the rotating shaft 20 is lifted and rotated, the limiting rod 116 is used for limiting the swing of the bearing part 1242 so as to ensure the stability in the working process, and when the rotating part 121 is rotated, the limiting rod 116 can also prevent the screw 123 from rotating along with the rotation. In this embodiment, as shown in fig. 3, two support plates 115 and two stop rods 116 are provided, and the two stop rods 116 are respectively inserted into gaps at two opposite ends of two baffles 1244, so as to play a better role in limiting and stopping.

Further, as shown in fig. 2 and 3, the cable releasing mechanism 13 specifically includes a driving member 131, a reduction gearbox 132, a first sprocket 133, a second sprocket 134 and a chain 135, the driving member 131 is a motor, the reduction gearbox 132 is connected to an output end of the driving member 131, the driving member 131 and the reduction gearbox 132 are both placed on the ground, the first sprocket 133 is connected to an output shaft of the reduction gearbox 132, the second sprocket 134 is connected to an end of the rotating shaft 20 (the second sprockets 134 of the two cable releasing tools 10 are respectively connected to two ends of the rotating shaft 20), and the chain 135 is meshed to peripheries of the first sprocket 133 and the second sprocket 134 and is tensioned jointly by the first sprocket 133 and the second sprocket 134. The driving parts 131 of the two cable laying tools 10 synchronously act so as to drive gears in the corresponding reduction boxes 132 to rotate, and the first chain wheels 133 and the output shafts of the reduction boxes 132 are fixed, so that the first chain wheels 133 and the output shafts of the reduction boxes 132 synchronously rotate, and under the common tensioning of the first chain wheels 133 and the second chain wheels 134, the chains 135 rotate, so that the rotation of the rotating shaft 20 is realized, and meanwhile, the rotating shaft 20 drives the cable drum 30 to rotate. By adopting the above chain transmission mode, the chain transmission can work stably under the condition of heavy load, the chain transmission has no elastic sliding and slipping, the accurate transmission ratio can be ensured, the transmission power is larger, the required tensioning force is smaller, and the force acting on the rotating shaft 20 is also smaller.

As shown in fig. 9, the second sprocket 134 is detachably connected to the rotating shaft 20. Specifically, the second sprocket 134 is configured in a sleeve shape, a first pin hole 1341 is formed in the second sprocket 134, a second pin hole 21 is formed in the peripheral surface of the rotating shaft 20, when the second sprocket 134 is sleeved on the rotating shaft 20, the first pin hole 1341 and the second pin hole 21 are aligned and sequentially pass through the first pin hole 1341 and the second pin hole 21 through the pin shaft, so that stable connection between the second sprocket 134 and the rotating shaft 20 is realized, synchronous rotation of the second sprocket 134 and the rotating shaft 20 can be maintained, and kinetic energy transmission is realized. Preferably, the number of the first pin holes 1341, the second pin holes 21 and the pins may be plural, such as two, three or more, to ensure stable connection between the second sprocket 134 and the rotating shaft 20, and the specific number thereof may be adaptively selected according to actual needs, which is not particularly limited herein.

It should be noted that, when the operation is just started, the second sprocket 134 and the chain 135 are not installed first, when the rotating shaft 20 and the cable drum 30 are lifted to the first preset height from the ground, the second sprocket 134 is installed on the rotating shaft 20, the chain 135 is installed on the peripheries of the first sprocket 133 and the second sprocket 134, then the rotating member 121 is continuously rotated, so that when the rotating shaft 20 is lifted to the second preset height, the chain 135 is tensioned together by the first sprocket 133 and the second sprocket 134, and then the rotating shaft 20 and the cable drum 30 can be driven to rotate synchronously by the cable paying-off mechanism 13, so as to pay out or retract the cable.

In summary, through practical verification, the cable drum lifting and pulling device is suitable for cable drums 30 with the radius ranging from 550mm to 1100mm and the width ranging from 1300mm, and comprises 95% of the types and specifications of the cable drums 30, and the lifting weight can reach 4 tons.

As shown in fig. 10, this embodiment further provides a method for lifting and pulling and releasing a cable drum, which is implemented by adopting the device for lifting and pulling and releasing a cable drum, and the specific steps include:

step S10: pushing the cable drum 30 between the two cable laying tools 10, enabling the rotating shaft 20 to pass through the central hole of the cable drum 30, and sleeving the bearing parts 1242 of the two cable laying tools 10 at two ends of the rotating shaft 20 respectively;

step S20: simultaneously rotating the rotating parts 121 of the two cable laying tools 10 to enable the corresponding screw rods 123 to ascend and drive the rotating shaft 20 and the cable drum 30 thereon to ascend to a first preset height;

step S30: a second sprocket 134 is installed on the rotation shaft 20, and a chain 135 is installed at the outer circumferences of the first sprocket 133 and the second sprocket 134, and the rotation member 121 is continuously rotated to raise the rotation shaft 20 to a second preset height so that the chain 135 is tensioned;

step S40: actuating the driving member 131 to rotate the rotation shaft 20 and the cable drum 30 in synchronization to pay out or retract the cable on the cable drum 30;

step S50: and when the cable is pulled and put, simultaneously rotating the rotating parts 121 of the two cable placing tools 10 to enable the corresponding screw rods 123 to descend and drive the cable drum 30 to descend to the ground, dismantling the rotating shaft 20 and removing the cable drum 30, and repeating the steps S10-S40 to lift and pull and put the next cable drum 30.

The cable drum lifting and pulling and releasing method is realized by adopting the cable drum lifting and pulling and releasing device, so that the automatic pulling and releasing of the cable can be realized, the convenience, the simplicity, the safety and the reliability are realized, the universality is strong, the working time is effectively saved, the labor intensity of workers is reduced, the limitation of a crane is avoided, the waiting is not needed, the construction efficiency is high, and the requirement of the construction progress can be met.

As shown in fig. 11, specifically, step S10 includes:

step S11: symmetrically placing two cable laying tools 10 at intervals, pushing a cable drum 30 between the two cable laying tools 10, and then enabling a rotating shaft 20 to pass through a central hole of the cable drum 30;

step S12: the screw 123 is adjusted by rotating the rotating member 121 to make the through hole 1243 of the bearing member 1242 coincide with the height of the rotating shaft 20, and then the two cable laying tools 10 are moved to sleeve the bearing members 1242 of the two cable laying tools 10 into the two ends of the rotating shaft 20 respectively.

In step S12, it should be noted that after the bearing members 1242 of the two cable laying tools 10 are respectively sleeved at two ends of the rotating shaft 20, it is also necessary to ensure that the distances from the bearing members 1242 to the two ends of the rotating shaft 20 are equal to ensure the stress balance of the rotating shaft 20.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (10)

1. The utility model provides a cable drum goes up and down to draw puts device, its characterized in that, including pivot (20) and two cable frock (10) of putting of symmetry, pivot (20) are used for passing the centre bore of cable drum (30), two cable frock (10) structure is the same and synchronous action, cable frock (10) include:

a frame (11);

the lifting mechanism (12) is arranged on the frame (11), the end part of the rotating shaft (20) horizontally penetrates through the lifting mechanism (12), and the lifting mechanism (12) is used for driving the rotating shaft (20) and the cable drum (30) on the rotating shaft to lift;

the cable laying mechanism (13), the tip transmission of pivot (20) is connected in on cable laying mechanism (13), cable laying mechanism (13) are used for driving pivot (20) rotate around its axis to drive cable reel (30) rotates, in order to with cable on the cable reel (30) is paid out or is retrieved.

2. The cable drum lifting and lowering device according to claim 1, wherein the lifting mechanism (12) comprises:

a rotating member (121) rotatably disposed at the top of the frame (11), a first threaded hole (1211) penetrating along the axial direction of the rotating member (121) being provided at the center of the rotating member,

a biasing lever (122) provided on a circumferential side wall of the rotating member (121);

the screw rod (123) is arranged in the first threaded hole (1211) in a penetrating manner along the vertical direction and is in threaded connection with the first threaded hole (1211);

the bearing part (124) is connected with the bottom end of the screw rod (123), and the end part of the rotating shaft (20) can horizontally penetrate through the bearing part (124).

3. The cable drum lifting and pulling device according to claim 2, wherein the lifting mechanism (12) further comprises a bearing seat (125) and a thrust bearing, the bearing seat (125) is arranged at the top of the frame (11), the bearing seat (125) is provided with a containing hole (1251), a seat ring of the thrust bearing is arranged in the containing hole (1251), and a shaft collar of the thrust bearing is matched with the rotating piece (121).

4. The cable drum lifting and pulling device according to claim 2, wherein the bearing part (124) comprises a connecting piece (1241) and a bearing piece (1242), the top of the connecting piece (1241) is in threaded connection with the screw (123), the bottom of the connecting piece is welded and fixed with the bearing piece (1242), and a through hole (1243) for the rotating shaft (20) to pass through is formed in the bearing piece (1242).

5. The cable drum lifting and pulling device according to claim 4, wherein the bearing member (1242) comprises two baffles (1244) arranged at intervals, two bolts (1245) are arranged between the two baffles (1244) in a penetrating manner, nuts (1246) are locked on the bolts (1245), bearings (1247) are rotatably arranged on the bolts (1245) and between the two baffles (1244), and the periphery of the rotating shaft (20) is respectively tangential to the side walls of the two bearings (1247) in a rolling manner.

6. The cable drum lifting and lowering device according to claim 5, wherein the frame (11) comprises:

a pallet (111);

a plurality of supporting legs (112) fixed at the bottom of the supporting plate (111), wherein the supporting legs (112) are obliquely arranged and gathered from bottom to top;

a middle reinforcing plate (113), wherein one middle reinforcing plate (113) is connected between the middle parts of two adjacent supporting legs (112);

and a bottom reinforcing plate (114), wherein one bottom reinforcing plate (114) is connected between the bottoms of every two adjacent supporting legs (112).

7. The cable drum lifting and pulling device according to claim 6, wherein a supporting plate (115) is fixed on the middle reinforcing plate (113), a limiting rod (116) extending along the vertical direction is fixed on the supporting plate (115), and the limiting rod (116) is inserted into a gap between two baffle plates (1244).

8. The cable drum lifting and lowering device as claimed in any one of claims 1-7, wherein the cable laying mechanism (13) comprises:

a driving member (131);

a reduction gearbox (132) connected to the output end of the driving member (131);

a first chain wheel (133) and a second chain wheel (134), wherein the first chain wheel (133) is connected to the output shaft of the reduction gearbox (132), the second chain wheel (134) is connected with the rotating shaft (20),

and a chain (135) engaged with the outer circumferences of the first sprocket (133) and the second sprocket (134) and being commonly tensioned by the first sprocket (133) and the second sprocket (134).

9. A cable drum lifting and pulling method, characterized in that the cable drum lifting and pulling device is adopted, and the lifting mechanism (12) comprises a rotating piece (121), a screw (123) connected with the rotating piece (121) in a threaded manner and a bearing part (124) connected with the bottom of the screw (123), and the cable releasing mechanism (13) comprises a driving piece (131), a reduction gearbox (132), a second sprocket (134), a chain (135) and a first sprocket (133) connected with an output shaft of the reduction gearbox (132); the method comprises the following specific steps:

step S10: pushing the cable drum (30) between two cable laying tools (10), enabling the rotating shaft (20) to pass through a central hole of the cable drum (30), and sleeving bearing pieces (1242) of the bearing parts (124) of the two cable laying tools (10) at two ends of the rotating shaft (20) respectively;

step S20: simultaneously rotating the rotating parts (121) of the two cable laying tools (10) so as to enable the corresponding screw rods (123) to ascend and drive the rotating shaft (20) and the cable winding drum (30) on the rotating shaft to ascend to a first preset height;

step S30: the second chain wheel (134) is arranged on the rotating shaft (20), the chain (135) is arranged on the peripheries of the first chain wheel (133) and the second chain wheel (134), and the rotating piece (121) is continuously rotated to enable the rotating shaft (20) to be lifted to a second preset height, so that the chain (135) is tensioned;

step S40: -activating the driving member (131) to rotate the spindle (20) and the cable drum (30) synchronously to pay out or retract the cable on the cable drum (30);

step S50: and when the cable is pulled and put, simultaneously rotating the rotating parts (121) of the two cable-laying tools (10) so as to enable the corresponding screw rods (123) to descend and drive the cable drum (30) to descend to the ground, dismantling the rotating shaft (20) and removing the cable drum (30), and repeating the steps S10-S40 so as to lift and pull and put the next cable drum (30).

10. The method for lifting and releasing the cable reel according to claim 9, wherein the step S10 specifically includes:

step S11: symmetrically placing two cable laying tools (10) at intervals, pushing the cable drum (30) between the two cable laying tools (10), and then enabling the rotating shaft (20) to pass through a central hole of the cable drum (30);

step S12: the height of the screw (123) is adjusted by rotating the rotating piece (121), so that the through hole (1243) of the bearing piece (1242) is consistent with the height of the rotating shaft (20), and then the two cable laying tools (10) are moved, so that the bearing pieces (1242) of the two cable laying tools (10) are sleeved at two ends of the rotating shaft (20) respectively.