CN115611184A

CN115611184A - Portable tensioning device and use method thereof

Info

Publication number: CN115611184A
Application number: CN202211115411.6A
Authority: CN
Inventors: 杨颖�; 刘海军
Original assignee: Arctech Solar Holding Co Ltd
Current assignee: Arctech Solar Holding Co Ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-17

Abstract

The application provides a portable tensioning device, which is used for installing a steel strand of a photovoltaic flexible support on two adjacent beams, and comprises a frame; the transmission mechanism comprises a first transmission piece, a second transmission piece and a fixing piece, wherein the first transmission piece is arranged on the frame and can rotate; the second transmission piece is matched with the first transmission piece; the fixing piece is arranged on the second transmission piece; the power amplification mechanism has a power input end and a power output end, the power input end is used for being connected with the driving mechanism, the power output end is connected with the first transmission piece, the power amplification mechanism is used for driving the first transmission piece to rotate after amplifying the power output by the driving mechanism, the application of the patent further provides a using method of the portable tensioning device, and therefore the whole tensioning device is simple in structure, few in material consumption, convenient to carry and transport, large in cost advantage and convenient and fast to install.

Description

Portable tensioning device and use method thereof

Technical Field

The application relates to a portable tensioning device and a using method thereof, and belongs to the field of photovoltaic flexible supports.

Background

Photovoltaic flexible support is in the installation, need carry out the stretch-draw action to the steel noose that is used for bearing photovoltaic module to fix the both ends of steel noose on two adjacent rows of roof beams, the stretch-draw of the steel noose of flexible support on the existing market and installation adopt hydraulic equipment or hoist engine equipment mostly, and equipment is heavier, is difficult for transporting, and when the tension force is great, equipment itself also need be fixed, especially when the more complicated project of topography, equipment transportation and fixed all are very inconvenient.

Disclosure of Invention

The application aims at designing a portable tensioning device which is portable and reliable and can realize large tensioning force and a using method thereof, and the portable tensioning device is used for assisting in tensioning and fixing a steel cable of a photovoltaic flexible support.

In order to achieve the purpose, the following technical scheme is adopted in the patent application: a portable tensioning device is used for installing a steel strand of a photovoltaic flexible support on two adjacent beams, and comprises

A frame for mounting to the beam;

the transmission mechanism comprises a first transmission piece, a second transmission piece and a fixing piece, and the first transmission piece is mounted on the frame and can rotate; the second transmission piece is matched with the first transmission piece, and can move along the first transmission piece when the first transmission piece is rotated; one end of the fixing piece is connected to the second transmission piece, and the other end of the fixing piece is used for connecting the steel strand;

the power amplification mechanism is provided with a power input end and a power output end, the power input end is used for being connected with a driving mechanism, the power output end is connected with the first transmission piece, and the power amplification mechanism is used for amplifying the power output by the driving mechanism and then driving the first transmission piece to rotate.

As a further improvement of the present patent application, the frame includes a first frame member and a second frame member, the first frame member is U-shaped, the first frame member includes a first structural member and two second structural members connecting two ends of the first structural member, two ends of the second frame member are respectively connected to free ends of the two second structural members; and a sliding block is arranged on the outer side of each second structural part, and the first transmission part is arranged on the sliding block in a penetrating manner.

As a further improvement of the present patent application, there are two first transmission members arranged in a first direction, and there are two power amplification mechanisms arranged in the first direction, where the two first transmission members are connected to the power output ends of the two power amplification mechanisms in a one-to-one correspondence manner; the two first transmission pieces are correspondingly matched with the two positions of the second transmission piece respectively.

As a further improvement of this patent application, the power amplification mechanism is worm gear mechanism, two the power amplification mechanism passes through synchronizing shaft and connects, the both ends of synchronizing shaft respectively with two the worm of power amplification mechanism is connected, two first transmission piece with correspond the worm wheel of power amplification mechanism is connected.

As a further improvement of this patent application, the tensioning device further comprises a drive mechanism, the drive end of which is connected with the power input end of one of the power amplification mechanisms.

As a further improvement of the present application, the second transmission member is rectangular and includes two first portions arranged in parallel and two second portions respectively connected to the same ends of the two first portions, the two first transmission members are in one-to-one corresponding threaded fit with the two first portions, and each second portion is provided with a positioning portion; each beam is provided with a connection on a wall facing the other beam, the positioning portion being aligned with the connection.

As a further improvement of this patent application, tensioning equipment is still including connecting the second driving medium with the adjustment mechanism of mounting, two adjustment mechanism lays in the steel strand cable is in the both sides of second direction, the mounting passes through adjustment mechanism can be right the steel strand cable carries out position control at the removal in-process.

As a further improvement of the present patent application, the adjusting mechanism includes a first rotating member and a second rotating member, the first rotating member is pivoted to the second transmission member so that the first rotating member can swing in the first direction; the second rotating part is pivoted to the positioning part, so that the second rotating part can swing in the second direction, one end of the fixing part is arranged on the second rotating part, and the first direction is perpendicular to the second direction.

As a further improvement of this patent application, adjustment mechanism still including set firmly in clamp splice on the steel strand, be equipped with the fixed orifices on the clamp splice, the mounting other end is hook portion, be used for with the fixed orifices cooperation is connected.

As a further improvement of the present patent application, the tensioning device further includes a lifting mechanism, the lifting mechanism includes a pulley and a rope winder, the pulley is disposed on the frame; the rope winding device comprises a support body, a reel and a lifting rope, wherein the reel is rotatably arranged on the support body, the lifting rope is wound on the reel, the free end of the pulley is connected with the steel strand, and the reel is rotated to lift the steel strand.

As a further improvement of the application, the outer circumference of the winding shaft is provided with a first tooth part, and the rope winder further comprises a second gear which is arranged on the frame body and is meshed with the first tooth part and a handle which is coaxially arranged with the second gear.

In order to achieve the above purpose, the following technical solutions are also adopted in the present patent application: a method for using a portable tension device as described above, for correspondingly mounting two ends of a steel wire rope to two adjacent beams, wherein the two adjacent beams comprise a first beam and a second beam, the method comprising:

lifting the first end of the steel wire rope and fixing the first end of the steel wire rope on the connecting part of the first beam;

mounting the frame to the second beam;

lifting the second end of the steel strand and connecting the second end of the steel strand with the fixing piece;

and driving the first transmission piece to rotate, driving the second transmission piece and the second end of the steel strand to move towards the second beam, and fixing the second end of the steel strand to the connecting part of the second beam when the second end of the steel strand moves to the connecting part of the second beam.

As a further improvement of the present patent application, there is also included,

and in the process that the second transmission piece and the second end of the steel strand move towards the second beam, the second end of the steel strand is subjected to position adjustment through an adjusting mechanism so as to ensure that the second end of the steel strand is aligned with the connecting part of the second beam.

Compared with the prior art, the method has the following advantages:

the utility model provides a tensioning device, tensioning device is through setting up the frame on the roof beam, accomplish the back at the steel strand cable other end is fixed, lifting mechanism is with the one end lifting of steel strand cable to the high back of roof beam, connect the steel strand cable with the mounting, actuating mechanism drive mechanism action, make the second driving medium remove towards the connecting portion of roof beam, the tensile force of steel strand cable is adjusted to another row of adjacent roof beam of being fixed in after suitable size, realize fixing after to steel strand cable pretension, whole tensioning device simple structure, the materials are few, and convenient to carry, the transportation is convenient, great cost advantage has, and simple to operate is swift, need not great engineering equipment, can adapt to various complicated topography.

Drawings

Fig. 1 is a perspective view of a photovoltaic flexible stent of the present patent application;

FIG. 2 is a perspective view of a tensioning device of the present patent application;

FIG. 3 is a perspective view of another angle of the tensioning device of the present application;

FIG. 4 is a side view of a tensioning device of the present patent application;

FIG. 5 is a schematic view of a process for tensioning a steel wire rope by a tensioning device of the present patent application;

FIG. 6 is a partial top view of the steel cable of the present application in cooperation with an adjustment mechanism;

FIG. 7 is a partial perspective view of a power amplification mechanism in cooperation with a frame and transmission mechanism according to the present application.

Fig. 8 is an exploded perspective view of the structure shown in fig. 7.

DESCRIPTION OF SYMBOLS IN THE DRAWINGS

100-a tensioning device; 200-a photovoltaic flexible stent; 300-steel wire rope; 301-steel strand end; 1-a beam; 11-a top wall; 12-a bottom wall; 13-a connecting wall; 14-connecting ear plates; d1-a first direction; d2-second direction; d3-third direction; 141-a connecting part; 2-a frame; 3-a transmission mechanism; 4-a power amplification mechanism; 21-a first frame member; 22-a second frame member; 211-a first structural member; 212-a second structural member; 213-a slide block; 31-a first transmission member; 32-a second transmission member; 33-a fixing member; 34-a positioning section; 321-a first portion; 322-a second section; 41-power input end; 42-a power take-off; 45-synchronizing shaft; 43-a first power amplification mechanism; 44-a second power amplifying mechanism; 5-an adjusting mechanism; 51-a first rotating member; 52-a second rotating member; 53-a clamping block; 531-fixation holes; 7-a drive mechanism; 6-a lifting mechanism; 61-a pulley; 62-a rope winder; 63-a pulley block; 621-frame body; 622-reel; 623-a lifting cable; 6230-free end; 624-first tooth; 625-a second gear; 626-a handle.

Detailed Description

Exemplary embodiments of the present patent application will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The statements made in the following exemplary detailed description do not represent all implementations consistent with the present patent application; rather, they are merely examples of apparatus, products and/or methods consistent with certain aspects of the present patent application, as set forth in the claims of the present patent application.

The terminology used in the present patent application is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present patent application. As used in the specification and claims of this patent application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like, as used in the description and claims of this patent application, do not denote any order, quantity, or importance, but rather are used to distinguish one feature from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the appearances of the phrases "in front," "back," "above," "below," and the like in this application are not limited to a particular position or spatial orientation, but are merely for convenience of description. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If "a plurality" is present in this patent application, it is meant to refer to two as well as more than two.

Referring to fig. 1 to 4, a portable tensioning device 100 is provided, which is applied to a photovoltaic flexible support 200, the photovoltaic flexible support 200 includes a plurality of rows of beams 1, a plurality of columns 10 supporting the plurality of rows of beams 1, and a steel cable 300 connecting every two adjacent rows of beams 1, and the steel cable 300 is used for carrying a photovoltaic module 400. When the steel wire 300 is installed, one end of the steel wire 300 is fixed to the beam 1, the steel wire 300 is tensioned by the tensioning device 100, so that the steel wire 300 has a proper tension, and then the other end of the steel wire 300 is fixed to another adjacent row of beams 1, thereby completing the installation of the steel wire 300.

Referring to fig. 2-4, in the present embodiment, the beam 1 is an i-beam, and includes a top wall 11, a bottom wall 12, a connecting wall 13 and a connecting ear plate 14, the top wall 11 and the bottom wall 12 are horizontally disposed, the top end of the connecting wall 13 is connected to the middle of the top wall 11, the bottom end of the connecting wall 13 is connected to the middle of the bottom wall 12, the connecting ear plate 14 is vertically disposed on one side of the connecting wall 13, and the plane of the connecting ear plate 14 is perpendicular to the plane of the connecting wall 13. The two connecting lug plates 14 of two adjacent rows of beams 1 are oppositely arranged. It should be noted that a plurality of the connecting ear plates 14 are provided along the second direction D2. Setting a first direction D1 as a vertical direction, setting a second direction D2 as a horizontal direction, and setting the second direction D2 to be parallel to the extending direction of the beam 1; the third direction D3 is a horizontal direction, and the third direction D3 is perpendicular to the second direction D2.

In the present embodiment, each connecting ear plate 14 is provided with a plurality of connecting portions 141 along the first direction D1, the connecting ear plates 14 on two adjacent rows of beams are also provided with a plurality of connecting portions 141 corresponding to the first direction D1 for selectively fixing the steel cables 300, and both ends of each steel cable 300 are respectively fixed to the corresponding connecting portions 141 of two adjacent rows of beams 1, and preferably, the connecting portions are connecting holes.

Referring to fig. 2-4 and 7, as an embodiment of the present application, a tensioning device 100 includes a frame 2, a transmission mechanism 3 and a power amplifying mechanism 4. The frame 2 includes a first frame member 21 and a second frame member 22. The first frame member 21 is U-shaped, and includes a first structural member 211 and second structural members 212, the two second structural members 212 are respectively disposed at two ends connected to the first structural member 211, and the two second structural members 212 extend toward the same side of the first structural member 211. The second frame members 22 are connected at both ends thereof to the two second structural members 212, respectively, so that the frame 2 is rectangular and encloses a mounting space in which the beam 1 is disposed. When the steel cable 300 is installed, the frame 2 needs to be installed on the beam 1 in advance, and the specific installation method is as follows: the mounting of the frame 2 to the beam 1 is completed by clamping the first frame member 21 to the top wall 11 and the bottom wall 12 of the beam 1 for disposing the beam 1 in the installation space, and fixing the second frame member 22 to both free ends of the first frame member 21 by fasteners for positioning the beam 1. Preferably, there are two second frame members 22, and the two second frame members 22 are spaced apart in the second direction D2. In the process of installing second frame member 22, earlier be fixed in a second frame member 22 and connect otic placode 14 in one side of second direction D2, be fixed in another second frame member 22 again and connect otic placode 14 at the opposite side of second direction D2, make two second frame member 22 press from both sides and locate and connect otic placode 14, the later stage of being convenient for is to the alignment and the fixing of steel hank rope 300, in addition, whole frame structure is simple, high installation efficiency, it is single to carry, need not large-scale hydraulic equipment, can adapt to complicated topography condition.

Referring to fig. 2-4, the transmission mechanism 3 includes a first transmission member 31, a second transmission member 32 and a fixing member 33. The first transmission member 31 can rotate around a first axis, the second transmission member 32 is matched with the first transmission member 31, and when the first transmission member 31 is rotated, the second transmission member 32 can move towards or away from the first transmission member 31 along the second transmission member. In the embodiment, the first transmission member 31 is a screw, and the second transmission member 32 is screwed with the first transmission member 31.

The fixing member 33 is fixed to the second transmission member 32 and is used for connecting the steel cable 300. When the first transmission member 31 is rotated, the second transmission member 32 and the fixing member 33 are driven to move towards or away from the first transmission member 31, and the steel cable 300 can be driven to move towards or away from the first transmission member 31.

The transmission mechanism 3 is mounted on the frame 2, specifically, each second structural member 212 is provided with a sliding block 213 on the outer side of the first direction D1 far away from the beam 1 to be mounted, and the first transmission member 31 penetrates through the sliding block 213 along the third direction D3 and extends to the outer side of the first structural member 211 of the frame 2. The first transmission member 31 can rotate relative to the sliding block 213, and the sliding block 213 provides support for the first transmission member 31, thereby supporting the transmission mechanism 3.

The second transmission piece 32 is provided with a plurality of positioning parts 34, the positioning parts 34 are used for positioning the end part 301 of the steel strand 300, and the positioning parts 34 are aligned with the connecting part 141, so that when the steel strand 300 is fixed, the end part 301 of the steel strand 300 is aligned with the connecting part 141. When the second transmission member 32 moves, the end of the steel strand 300 may be pulled to a set position of the connection portion 141, and the next fastening may be performed.

In one embodiment, the first transmission members 31 are disposed in two in the first direction D1, and the two first transmission members 31 are respectively correspondingly engaged with two positions of the second transmission member 32. Specifically, the second transmission member 32 is rectangular, and includes two first portions 321 arranged in parallel and two second portions 322 respectively connected to the same ends of the two first portions 321, and the two first transmission members 31 are in one-to-one threaded connection with the two first portions 321, so that when the two first transmission members 31 rotate, the second transmission member 32 can be driven to move towards or away from the frame 2, and the smoothness and stability of movement are ensured.

Each first portion 321 is provided with the positioning portion 34, and preferably, two second portions 322 are provided with the positioning portions 34 in the same position.

In another embodiment, the second transmission member 32 may also be block-shaped or plate-shaped, and the first transmission member 31 is screwed with the second transmission member 32. The second transmission member 32 is provided with a hole portion, which is the positioning portion 34.

Referring to fig. 2-4 and 8, the power amplifying mechanism 4 is mounted on the frame 2 and has a power input end 41 and a power output end 42, the power input end 41 is used for connecting with a driving mechanism 7, the power output end 42 is connected with the first transmission member 31, and the power amplifying mechanism 4 is used for amplifying the power output by the driving mechanism and then driving the first transmission member 31 to rotate, so that the driving mechanism with smaller power can be used to achieve the required power, and the driving mechanism can also be miniaturized in size, thereby reducing the cost and being more convenient to use.

In the present embodiment, two power amplification mechanisms 4 are provided in the first direction D1, and the two first transmission members 31 are connected to the power output ends 42 of the two power amplification mechanisms 4 in a one-to-one correspondence. The power amplification mechanism 4 is a worm gear mechanism, and includes a worm wheel and a worm engaged with the worm wheel, and the worm wheel is connected with the first transmission member 31 and can rotate synchronously with the first transmission member 31. The power input 41 is one end of a worm, and the power output 42 is one end of a worm wheel. The power input end 41 is used for being connected with the driving mechanism, the first transmission piece 31 is connected with the power output end 42, the two power amplification mechanisms 4 are connected through a synchronizing shaft 45, two ends of the synchronizing shaft 45 are respectively connected with the worms of the two power amplification mechanisms 4, and the two first transmission pieces 31 are connected with the worm wheels of the corresponding power amplification mechanisms 4. The synchronous shaft 45 can synchronously drive the power output by the driving mechanism to drive the two power amplifying mechanisms 4, so as to drive the two first transmission pieces 31 to rotate, and the second transmission piece 32 can move stably.

Specifically, the two power amplification mechanisms 4 are respectively provided outside the first frame member 21 of the frame 2, and are connected by a synchronizing shaft 45. Further, two power amplifying mechanisms 4 are arranged at intervals in the first direction D1, the two power amplifying mechanisms 4 include a first power amplifying mechanism 43 and a second power amplifying mechanism 44, the first power amplifying mechanism 43 includes a first worm and a first worm wheel, the second power amplifying mechanism 44 includes a second worm and a second worm wheel, both ends of a synchronizing shaft 45 are respectively connected with the first worm and the second worm, and when the driving mechanism 7 drives the first power amplifying mechanism 43, the first worm rotates synchronously with the second worm through the synchronizing shaft 45, so that the first worm wheel and the second worm wheel rotate synchronously. Two ends of the two first transmission members 31 respectively connect with the first worm wheel and the second worm wheel, so as to drive the two first transmission members 31 to rotate, and drive the second transmission member 32 to move by driving the two first portions 321 of the second transmission member 32.

Through setting up power input end 41 to the one end of worm, power output end 42 sets up to the one end of worm wheel, and first driving piece 31 is connected with the worm wheel, and at actuating mechanism drive worm, when driving worm wheel and first driving piece 31 and rotate, the auto-lock characteristic of worm wheel and worm makes when actuating mechanism stops moving, and first driving piece 31 can not take place the reversal, avoids steel strand 300 to keep away from frame 2 because of huge gravity drive second driving piece 32 and removes, improves installation effectiveness and precision.

In the present embodiment, the driving mechanism 7 is an external power source, and the driving mechanism 7 is a pistol drill, for example.

In another embodiment, one first transmission member 31 and one power amplifying mechanism 4 are provided at one side of the frame 2, and a power output end 42 of the power amplifying mechanism 4 is connected to the first transmission member 31. The first transmission member 31 is screwed to the second transmission member 32.

In another embodiment, the tensioning device further comprises a driving mechanism 7, the driving mechanism 7 is integrated with the driving mechanism 7 arranged on the power amplifying mechanism 4, the output end of the driving mechanism 7 is directly connected with the power input end 41, and in this embodiment, the driving mechanism 7 is a motor.

As shown in fig. 2 to 4 and fig. 6, in order to improve the installation accuracy and efficiency of the steel wire 300 and the connecting portion 141, the tensioning device 100 further includes an adjusting mechanism 5 disposed on the second transmission member 32, and the adjusting mechanism 5 includes a first rotating member 51 pivotally disposed on the second transmission member 32 and a second rotating member 52 pivotally disposed on the first rotating member 51. The positioning portion 34 of the second transmission member 32 is pivotally provided with a first shaft capable of rotating, and the first transmission member 51 is sleeved on the first shaft and can swing in the first direction D1 to adjust up and down in the height direction. The first rotating part 51 is provided with a second shaft capable of rotating in a self-rotating manner, the axis of the second shaft is perpendicular to that of the first shaft, the second rotating part 52 is sleeved on the second shaft and can swing in the second direction D2 to be adjusted left and right in the horizontal direction, so that when the steel cable 300 moves towards the connecting part 141 of the beam 1, the position of the steel cable 300 can be adjusted in real time, the steel cable 300 is aligned with the connecting part 141, and the later-stage fastening operation is facilitated.

Preferably, the adjusting mechanism 5 includes a clamping block 53 fixedly disposed on the steel cable 300, the clamping block 53 is provided with a fixing hole 531, the other end of the fixing member 33 is a hook portion for being matched and connected with the fixing hole 531, and the hook portion is inserted into the fixing hole 531 to realize a tensioning action.

Referring to fig. 2-4, the tensioning device 100 further includes a lifting mechanism 6, the lifting mechanism 6 includes a pulley 61 and a rope winder 62, and the pulley 61 is disposed on the frame 2. Specifically, the second structural member 212 of the frame 2 is provided with a pulley holder 63 on the outer side in the first direction D1, and the pulley 61 is provided on the pulley holder 63 and is rotatable on the pulley holder 63. Preferably, each second structural member 212 is provided with a pulley seat 63 and a pulley 61 rotating on the pulley seat 63 at the outer side in the first direction D1, and when being installed, the second structural member can be directly clamped on the beam 1 without determining the orientation of the pulley 61 after the frame 2 is installed, and if one of the pulleys 61 is damaged by a force, the other pulley 61 can be selected, so that the service life of the tensioning device 100 is prolonged.

Referring to fig. 2-5, the cable winder 62 includes a frame 621, a spool 622 rotatably disposed on the frame 621, and a lifting cable 623 wound on the spool 622. The lifting of the wire 300 is achieved by connecting the lifting wire 623 to the wire 300 around the free end 6230 of the pulley 61, rotating the reel 622 to lift the wire 300 until the end of the wire 300 is lifted to the level of the beam 1. Specifically, the outer circumference of the spool 622 is provided with a first tooth 624, and the rope winder 62 further includes a second gear 625 mounted on the frame 621 and a handle 626 coaxially disposed with the second gear 625, and the second gear 625 is positioned below the first tooth 624 and engaged with the first tooth 624. When the rotating handle 626 drives the second gear 625 to rotate, the first tooth 624 and the reel 622 are driven to rotate, and the end of the steel strand 300 is lifted.

To sum up, this patent application tensioning equipment 100 is through setting up frame 2 on roof beam 1, after the completion has been fixed at the steel strand 300 other end, lifting mechanism 6 lifts the one end of steel strand 300 to the high back of roof beam 1, connect steel strand 300 with mounting 33, actuating mechanism drive transmission mechanism 3 moves, make second driving medium 32 remove towards connecting portion 141 on the roof beam 1, in the removal process, utilize adjustment mechanism to carry out position control to steel strand 300, move to with connecting portion 141 block until steel strand 300, use the fastener with the end fixing of steel strand 300, whole tensioning equipment 100 simple structure, the materials are few, great cost advantage has, and simple to operate is swift, need not great engineering equipment, can adapt to various complicated topography.

The application of the present application further provides a method for using the tensioning device 100, which is used to correspondingly install two ends of the steel wire rope 300 on two adjacent beams 1, each of the two adjacent beams 1 includes a first beam and a second beam, connecting ear plates are respectively disposed at corresponding positions of the first beam and the second beam, and a connecting portion 141 is disposed on each connecting ear plate. The using method comprises the following steps:

the first end of the wire rope 300 is lifted and fixed to the connection part 141 of the first beam, and the installer firstly fixes the first end of the wire rope 300 to the connection part 141 of the first beam through the lifting device. Specifically, the connection portion 141 is a hole portion, the steel cable 300 includes a steel wire rope and cable heads disposed at two ends of the steel wire rope, fastening holes are disposed on the cable heads, and the first end of the steel cable 300 is an end portion of the cable head. The first end of the steel wire 300 is fixed by aligning the fastening hole with the connection part 141 and connecting by the fastening member. Preferably, a plurality of connection parts 141 are provided on the connection lug plate in the first direction D1 for adjusting the fixing position of the steel strand 300.

The mounting of the frame 2 to the beam 1 is completed by clamping the first frame piece 21 to the top wall 11 and the bottom wall 12 of the beam 1 and fixing the second frame piece 22 to the two free ends of the first frame piece 21 by fasteners for positioning the beam 1.

The second end of the wire 300 is lifted and connected to the fixing member 33, the second end of the wire 300 is lifted to the height of the beam 1 using the lifting mechanism 6, and the installer takes the second end of the wire 300 out of the lifting mechanism 6 and connects to the fixing member 33. Specifically, the clamp block 53 is mounted in advance on the steel wire 300, and the hook portion of the fixing member 33 is coupled to the fixing hole 531 of the clamp block 53. Preferably, the clamping block 53 is provided with fixing holes 531 at two sides of the steel wire rope in the second direction D2, and the two fixing members 33 are correspondingly connected to the fixing holes 531, respectively, so as to prevent the steel wire rope 300 from twisting during the later tensioning movement, thereby improving the installation stability.

The first transmission member 31 is driven to rotate, and the second transmission member 32 and the second end of the steel cable 300 are driven to move towards the second beam. During the movement of the second transmission piece 32 and the second end of the steel strand 300 towards the second beam, the second end of the steel strand 300 is positionally adjusted by the adjustment mechanism 5 to ensure that the second end of the steel strand 300 is aligned with the connection 141 of the second beam. When the second end of the wire rope 300 is moved to the position of the connection part 141 of the second beam, the second end of the wire rope 300 is fixed to the connection part 141 of the second beam, and the fixing of the second end of the wire rope 300 is completed. Here, the second end of the wire rope 300 is fixed to the connection part 141 of the second beam in the same manner as the first end of the wire rope 300 is fixed to the connection part 141 of the first beam, and thus, a detailed description thereof will be omitted.

The above embodiments are only used for illustrating the present patent application and not for limiting the technical solutions described in the present patent application, and the understanding of the present specification should be based on the technical people in the related art, such as the directional descriptions of "front", "back", "left", "right", "upper", "lower", etc., and although the present specification has described the present patent application in detail with reference to the above embodiments, those skilled in the art should understand that those skilled in the art can still make modifications or equivalent substitutions on the present patent application, and all technical solutions and modifications that do not depart from the spirit and scope of the present patent application should be covered within the claims of the present patent application.

Claims

1. A portable tensioning device for installing the steel cable (300) of a photovoltaic flexible support (200) to two adjacent beams (1), characterized in that: the tensioning device (100) comprises

A frame (2) for mounting to the beam (1);

the transmission mechanism (3) comprises a first transmission piece (31), a second transmission piece (32) and a fixing piece (33), wherein the first transmission piece (31) is installed on the frame (2) and can rotate; the second transmission piece (32) is matched with the first transmission piece (31), and when the first transmission piece (31) is rotated, the second transmission piece (32) can move along the first transmission piece (31); one end of the fixing piece (33) is connected to the second transmission piece (32), and the other end of the fixing piece is used for connecting the steel cable (300);

the power amplification mechanism (4) is provided with a power input end (41) and a power output end (42), the power input end (41) is used for being connected with a driving mechanism, the power output end (42) is connected with the first transmission piece (31), and the power amplification mechanism (4) is used for amplifying the power output by the driving mechanism and then driving the first transmission piece (31) to rotate.

2. A portable tensioning device according to claim 1, characterized in that: the frame (2) comprises a first frame piece (21) and a second frame piece (22), the first frame piece (21) is U-shaped, the first frame piece (21) comprises a first structural piece (211) and two second structural pieces (212) connected with two ends of the first structural piece (211), and two ends of the second frame piece (22) are correspondingly connected with free ends of the two second structural pieces (212) respectively; and a sliding block (213) is arranged on the outer side of each second structural part (212), and the first transmission piece (31) penetrates through the sliding block (213).

3. A portable tensioning device according to claim 1, characterized in that: the number of the first transmission pieces (31) is two in the first direction, the number of the power amplification mechanisms (4) is two in the first direction, and the two first transmission pieces (31) are correspondingly connected with the power output ends (42) of the two power amplification mechanisms (4) one by one; the two first transmission pieces (31) are respectively matched with the two positions of the second transmission piece (32) correspondingly.

4. A portable tensioning device according to claim 3, characterized in that: the power amplification mechanisms (4) are worm and gear mechanisms, the two power amplification mechanisms (4) are connected through a synchronizing shaft (45), two ends of the synchronizing shaft (45) are respectively connected with two worms of the power amplification mechanisms (4), and the two first transmission pieces (31) are connected with corresponding worm gears of the power amplification mechanisms (4).

5. A portable tensioning device according to claim 4, wherein: the tensioning device (100) further comprises the driving mechanism (7), and the driving end of the driving mechanism (7) is connected with the power input end (41) of one of the power amplification mechanisms (4).

6. A portable tensioning device according to claim 3, characterized in that: the second transmission piece (32) is rectangular and comprises two first parts (321) which are arranged in parallel and two second parts (322) which are respectively connected with the same ends of the two first parts (321), the two first transmission pieces (31) are in one-to-one corresponding threaded fit with the two first parts (321), and each second part (322) is provided with a positioning part (34); each beam (1) is provided with a connection (141) on a wall facing the other beam (1), the positioning portion (34) being in positional alignment with the connection (141).

7. A portable tensioning device according to claim 6, wherein: the tensioning device further comprises adjusting mechanisms (5) connected with the second transmission piece (32) and the fixing piece (33), the adjusting mechanisms (5) are arranged on two sides of the steel strand in the second direction, and the fixing piece (33) can adjust the position of the steel strand (300) in the moving process through the adjusting mechanisms (5).

8. A portable tensioning device according to claim 7, wherein: the adjusting mechanism (5) comprises a first rotating piece (51) and a second rotating piece (52), wherein the first rotating piece (51) is pivoted to the second transmission piece (32) so that the first rotating piece (51) can swing in the first direction; the second rotating member (52) is pivoted to the positioning portion (34) so that the second rotating member (52) can swing in the second direction, and one end of the fixed member (33) is disposed on the second rotating member (52), the first direction being perpendicular to the second direction.

9. A portable tensioning device according to claim 8, characterized in that: the adjusting mechanism (5) further comprises a clamping block (53) fixedly arranged on the steel strand, a fixing hole (531) is formed in the clamping block, and a hook portion is arranged at the other end of the fixing piece (33) and is used for being matched and connected with the fixing hole (531).

10. A portable tensioning device according to claim 1, characterized in that: the tensioning device further comprises a lifting mechanism (6), the lifting mechanism (6) comprises a pulley (61) and a rope winder (62), and the pulley (61) is arranged on the frame (2); roll up suo ware (62) including support body (621), rotate and locate reel (622) of support body (621) and winding lifting rope (623) on the reel, will lifting rope (623) are walked around free end (6230) of pulley (61) with steel strand (300) are connected, through rotating reel (622) will steel strand (300) lift.

11. A portable tensioning device according to claim 10, wherein: the outer circumference of the winding shaft (622) is provided with a first tooth part (624), and the rope winder (62) further comprises a second gear (625) which is arranged on the frame body (621) and meshed with the first tooth part (624) and a handle (626) which is coaxially arranged with the second gear (625).

12. A method of using a portable tensioning device according to any one of claims 1 to 11 for mounting the two ends of a steel hoist rope (300) to two adjacent beams (1) in correspondence, the two adjacent beams comprising a first beam and a second beam, characterized by comprising:

a connecting part (141) for lifting the first end of the steel strand (300) and fixing the first end to the first beam;

-mounting the frame (2) to the second beam;

lifting the second end of the steel strand (300) and connecting the second end with the fixing piece (33);

and driving the first transmission piece (31) to rotate, driving the second transmission piece (32) and the second end of the steel strand to move towards the second beam, and fixing the second end of the steel strand to the connecting part (141) of the second beam when the second end of the steel strand moves to the connecting part (141) of the second beam.

13. A method of using a portable tensioning device according to claim 12, further comprising:

during the movement of the second transmission element (32) and the second end of the steel cable towards the second beam, the second end of the steel cable is positionally adjusted by an adjustment mechanism (5) to ensure that the second end of the steel cable is aligned with the connection (141) of the second beam.