A kind of vertical tensioning fixing device of composite rope
Technical field
The utility model belongs to steel wire rope connection and Offshore Platform Engineering equipment technology field, and in particular to a kind of composite rope
Vertical tensioning fixing device.
Background technology
In drawing impressed current cathodic protection system, composite rope is vertical or is arranged in ocean into certain angle of inclination and puts down
Near platform, impressed current anode and reference electrode are integrated on composite rope, and the center of composite rope is tensile elements steel wire rope, steel wire rope
Both ends have poured steel wire rope socket, and composite rope lower end socket is fixed on gravity foundation or ocean platform jacket structure, compound
Cable upper end socket is fixed on offshore platform structure, the common fixation for realizing composite rope;The composite rope of vertical arrangement wind, wave,
Deflection deformation can be generated under the action of stream, composite rope can collide with jacket when serious, threaten jacket and composite rope
Safety in order to reduce the deflection deformation degree of composite rope, needs to adjust the stretching force of composite rope, therefore design one kind to consolidate
Determine the fixing device that composite rope can adjust composite rope stretching force again to have the reliability of drawing impressed current cathodic protection system
It is of great significance.
Utility model content
A kind of vertical tensioning fixing device of composite rope of the proposition of the utility model in view of the above problems has and facilitates adjusting
The tensioning of marine composite rope to change the amount of deflection of composite rope, ensures the service life of composite rope.
The technological means that the utility model uses is as follows:
The vertical tensioning fixing device of a kind of composite rope, including support platform, tension gantry, stretch-draw jack, pull rod dress
It puts, locking device, composite rope and the work anchor chain being made of more piece chain link;The tension gantry includes being fixed on the support
Two pillars and the crossbeam being fixed on described two pillars on platform, the crossbeam centre has through-hole;The tensioning thousand
Jin top is fixed among the crossbeam and corresponding with the lead to the hole site on the crossbeam;Described pull rod device one end and the work
Make that anchor chain is detachably connected, the other end of the pull rod device passes through through-hole and the stretch-draw jack among the crossbeam
Connection;The locking device is placed in the support platform for that will pass through the work anchor chain locking that the pull rod device stretches
Fixed, the other end of the work anchor chain is connect with the composite rope;
Further, the pull rod device connects including tensioning rod iron, Safety nut, ball-type liner and tensioning rod iron D types
Head, the tensioning rod iron lower end is detachably connected by the tensioning rod iron D type joints and the work anchor chain, the tensioning
Rod iron includes upper end and is used for connect with tensioning rod iron D type joints second for fixing the first threaded portion of Safety nut and lower end
Threaded portion, the ball-type liner include ball-type liner and lower ball-type liner, and the upper surface of the upper ball-type liner is planar junction
Structure, the lower surface of the upper ball-type liner is raised spherical structure, and the upper surface of the lower ball-type liner is the spherical shape of recess
Structure, the lower surface of the lower ball-type liner is planar structure, and the lower surface of the upper ball-type liner is padded with the lower ball-type
Upper surface match, the ball-type pad centers have the centre bore passed through for the tensioning rod iron, the ball-type liner
It is inserted on the tensioning rod iron and is placed between the Safety nut and the stretch-draw jack;
Further, the pull rod device further includes tension-compression sensor, and the tension-compression sensor is connected to the tensioning steel
Between stick and the tensioning rod iron D type joints;
Further, spare cable is further included, described spare cable one end is fixed on the branch by spare cable lifting lug
It supports on platform, the spare cable other end is connect by triangular plate with the work anchor chain and the composite rope respectively;
Further, the locking device includes setting-up piece, adjust pad and locks cover board, and the setting-up piece is consolidated
Be scheduled in the support platform, the setting-up piece center have for the work anchor chain by centre bore, the fixed pad
The upper surface of piece has groove I, and the adjust pad is by two symmetrical semi-circular shape structures to form, under the adjust pad
Surface has the matched first annular boss of groove I with the setting-up piece upper surface, the upper surface of the adjust pad
With the first annular boss groove II of the same size with the adjust pad lower surface;
Further, the adjust pad has multiple, the groove II and following table of the upper surface of the multiple adjust pad
The first annular boss size in face is consistent, and the outer diameter of the multiple adjust pad is different, and the multiple adjust pad can realize one
Save the adjusting of zip length;
Further, the locking cover board includes locking cover plate main body and locking latch, and the locking cover plate main body is circle
Circular cylinder, the work anchor chain pass through the internal diameter of the locking cover plate main body, and the locking cover plate main body lower surface has the
Second ring boss, the outer diameter of second annular convex platform and the groove I of the setting-up piece upper surface are in the same size, the locking
There is radial direction pin hole, the locking latch, which is inserted into the radial direction pin hole and penetrates, is placed in the locking cover board on cover plate main body
In one link aperture of the work anchor chain in the internal diameter of main body;
Further, the radial direction pin hole is square through-hole, and the locking latch is matched with the radial direction pin hole
Square axis, the locking latch upper surface have matched with the surface radian of the chain link of the work anchor chain along its length
Groove III;
Further, there is at least one handle, locking cover plate main body upper surface tool on the adjust pad outer wall
There is at least one handle.
Compared with the prior art, the vertical tensioning fixing device of composite rope described in the utility model has below beneficial to effect
Fruit:1st, the utility model is by setting support platform, tension gantry, stretch-draw jack, pull rod device, locking device, composite rope
And work anchor chain, the tensile force of composite rope can be adjusted, and then limit its deflection deformation under wind wave flow action;2nd, it uses
Stretch-draw jack tensioning composite rope simultaneously passes through the pressure that the tensile force of composite rope is converted into stretch-draw jack by pull rod device, knot
Configuration formula is simple, and bonding strength is high;3rd, bonding strength ensure that for being locked using T-shaped screw thread on tensioning rod iron;4th, it opens
It draws and is equipped with ball-type liner on rod iron between locking nut and jack, ball-type liner includes upper and lower two parts, and ball-type pads
Upper and lower surface is plane, and the intermediate ball shape structure by protrusion with recess connects, and both ensure that connection rod iron and stretch-draw jack
End face it is vertical, while larger bearing area can be provided again, reduce the pressure of ball-type liner, prolong the service life;5th, pull rod
There is tension-compression sensor on device, and tension-compression sensor is placed between tensioning rod iron and tensioning rod iron D type joints so that tension and compression pass
Sensor uniaxial force, can be eccentric to avoid the power being applied on tension-compression sensor, improves the accuracy of measurement;6th, adjust pad
With there is the annular convex platform and groove that cooperate on fixed cover board, facilitate and be stacked with being adjusted between adjust pad
The fixed position of work anchor chain;7th, spare cable is connect by triangular plate with work anchor chain and composite rope respectively, avoids work
Make composite rope after anchor chain surprisingly fails and crash into marine, be attached using triangular plate, be conveniently replaceable and safeguard.
Description of the drawings
Fig. 1 is the structure diagram of the vertical tensioning fixing device of composite rope of the utility model;
Fig. 2 is along the structure diagram in B-B directions in Fig. 1;
Fig. 3 is the enlarged diagram that pull rod device is connected with stretch-draw jack in Fig. 1;
Fig. 4 is the structure chart of tensioning rod iron;
Fig. 5 a are the structure chart of tensioning rod iron D type joints;
Fig. 5 b are the front view of tensioning rod iron D type joints;
Fig. 6 is the enlarged diagram at A in Fig. 2;
Fig. 7 a are the front view of upper ball-type liner;
Fig. 7 b are the vertical view of upper ball-type liner;
Fig. 8 a are the front view of lower ball-type liner;
Fig. 8 b are the vertical view of lower ball-type liner;
Fig. 9 a are the front view of the mounting flange of stretch-draw jack lower end;
Fig. 9 b are the vertical view of the mounting flange of stretch-draw jack lower end;
Figure 10 a are the front view of the firm banking of stretch-draw jack lower end;
Figure 10 b are the vertical view of the firm banking of stretch-draw jack lower end;
Figure 10 c are the left view of the firm banking of stretch-draw jack lower end;
Figure 11 a are the front view of locking latch;
Figure 11 b are the vertical view of locking latch;
Figure 12 a are the front view for locking cover plate main body;
Figure 12 b are the vertical view for locking cover plate main body;
Figure 13 a are the front view of adjust pad;
Figure 13 b are the vertical view of adjust pad;
Figure 13 c are the front view for the semi-circular shape structure for forming adjust pad;
Figure 13 d are the vertical view for the semi-circular shape structure for forming adjust pad;
Figure 14 a are the front view of setting-up piece;
Figure 14 b are the vertical view of setting-up piece;
Figure 15 a are the front view of stretch-draw jack;
Figure 15 b are the vertical view of stretch-draw jack;
Figure 16 a are the front view of composite rope steel wire rope socket;
Figure 16 b are the left view of composite rope steel wire rope socket;
Figure 17 a are the front view of D type shackles;
Figure 17 b are the left view of D type shackles;
Figure 18 a are the front view of Kent button;
Figure 18 b are the left view of Kent button;
Figure 19 a are the front view of triangular plate;
Figure 19 b are the left view of triangular plate;
Figure 20 a are the front view of a chain link of work anchor chain;
Figure 20 b are the left view of a chain link of work anchor chain;
Figure 21 a are the front view of the fixation lifting lug of spare cable;
Figure 21 b are the vertical view of the fixation lifting lug of spare cable.
In figure:1st, support platform;
2nd, tension gantry, 21, pillar, 22, crossbeam, 23, through-hole;
3rd, stretch-draw jack, 31, mounting flange, 32, stretch-draw jack firm banking;
4th, pull rod device, 41, tensioning rod iron, 42, Safety nut, 43, ball-type liner, 44, tensioning rod iron D type joints, 45,
Tension-compression sensor, the 411, first threaded portion, the 412, second threaded portion, 431, upper ball-type liner, 432, lower ball-type liner;
5th, locking device, 51, setting-up piece, 52, adjust pad, 53, locking cover board, 511, groove I, 521, first annular
Boss, 522, groove II, 531, locking cover plate main body, 532, locking latch, the 5311, second annular convex platform, 5312, radial peg
Hole, 5321, groove III;
6th, composite rope;
7th, work anchor chain;
8th, spare cable, 81, spare cable lifting lug, 82, triangular plate, 83, D type shackles, 84, Kent button, 85, composite rope
Steel wire rope socket.
Specific embodiment
As depicted in figs. 1 and 2, the vertical tensioning fixing device of the composite rope of the utility model, including:Support platform 1, tensioning
Door frame 2, stretch-draw jack 3, pull rod device 4, locking device 5, composite rope 6 and the work anchor chain 7 being made of more piece chain link;Institute
It states tension gantry 2 and includes two pillars 21 being fixed in the support platform 1 and the horizontal stroke being fixed on described two pillars 21
Beam 22,22 centre of crossbeam have through-hole 23;The stretch-draw jack 3 be fixed among the crossbeam 22 and with the crossbeam
23 position of through-hole on 22 is corresponding;Described 4 one end of pull rod device passes through tensioning rod iron D type joints 44 and the work anchor chain 7
Detachably connected, the other end of the pull rod device 4 passes through through-hole 23 and the stretch-draw jack 3 among the crossbeam 22
Connection;The locking device 5 is placed in the support platform 1 that the work anchor that the pull rod device 4 stretches will be passed through
Chain 7 is locked, and work anchor chain 7 uses three-level unstudded cable, and the other end of the work anchor chain 7 is connect with the composite rope 6.
Specifically, as shown in Figure 1, support platform 1 is the hollow reinforcement structure for having I-steel to surround, in support platform 1
Between be fixed with I-steel reinforcing rib, for placing the setting-up piece 51 of locking device 5 on reinforcing rib.It is upper in support platform 1
Surface is equipped with steel plate, and personnel is facilitated to pass through, and it is marine to prevent weight from crashing into.
Two pillars 21 of tension gantry 2 are fixed in support platform 1, are fixed with crossbeam 22 on two pillars 21, two
The junction of column 21 and crossbeam 22 has bonding strength of the triangle reinforcing rib for reinforcing crossmember 22 and pillar 21, in crossbeam 22
Between have through-hole 23.
As shown in Fig. 3, Fig. 9 a, Fig. 9 b, Figure 10 a, Figure 10 b, Figure 10 c, Figure 15 a and Figure 15 b, stretch-draw jack 3 is hollow
Structure, the hollow-core construction on stretch-draw jack 3 is corresponding with the through-hole 23 on the crossbeam 22 of tension gantry 2,3 bottom of stretch-draw jack
Portion is welded with mounting flange 31, and mounting flange 31 passes through the stretch-draw jack firm banking 32 on bolt and tension gantry crossbeam 22
It is fixedly connected.
Pull rod device 4 includes tensioning rod iron 41, Safety nut 42 and ball-type liner 43, and described 4 one end of pull rod device leads to
It is detachably connected with the work anchor chain 7 to cross tensioning rod iron D type joints 44, as shown in figure 5a and 5b, tensioning rod iron D type joints
44 be to unload buckle structure, and bending part is welded with the screw thread knot for being connect with tensioning rod iron among D type shackles using D types
Structure, the other end of tensioning rod iron D type joints 44 is removably connect with work anchor chain 7, due to using tensioning rod iron D type joints
44, it may be convenient to dismantle tensioning rod iron 41 for being connected from the chain link of different work anchor chains 7.41 upper end of tensioning rod iron passes through
The hollow-core construction of through-hole 23 and stretch-draw jack 3 on crossbeam 22, as shown in figure 4, tensioning rod iron 41 includes the first spiral shell of upper end
Line portion 411 and the second threaded portion 412 of lower end.As shown in Fig. 1, Fig. 3, Fig. 7 a, Fig. 7 b, Fig. 8 a and Fig. 8 b, the first threaded portion 411
For the Safety nut 42 that is screwed on (in order to ensure bonding strength, it is preferable that the screw thread of the first threaded portion uses T-shaped screw thread or rectangle
Screw thread), there is ball-type to pad 43 between Safety nut 42 and stretch-draw jack 3, ball-type liner 43 includes upper ball-type and pads 431
With lower ball-type liner 432, the upper surface of upper ball-type liner 431 is planar structure, and the lower surface of upper ball-type liner 431 is raised
Spherical structure, the upper surface of lower ball-type liner is the spherical structure of recess, and the lower surface of lower ball-type liner 432 is planar structure,
The lower surface of upper ball-type liner 431 is matched with the upper surface of lower ball-type liner 432, is had among ball-type liner 43 for tensioning
The centre bore that rod iron 41 passes through, ball-type liner 43, which is inserted on the tensioning rod iron 41, is placed in Safety nut 42 and stretch-draw jack
Between 3, the size of ball-type liner 43 is more than the size of the hollow-core construction of stretch-draw jack 3, and Safety nut 42 is hex nut,
Opposite side distance is more than the size of the centre bore of ball-type liner 43, will pressure by ball-type liner 43 in 3 course of work of stretch-draw jack
Power passes to Safety nut 42, and Safety nut 42 pushes tensioning rod iron 41 to move by being connect with the first threaded portion.Due to opening
It draws and ball-type liner 43 is equipped between jack 3 and Safety nut 42, the upper and lower surface of ball-type liner 43 is plane, and ball-type pads 43
Two parts up and down be installed together by matched spherical structure, it is ensured that tensioning rod iron 41 is placed in stretch-draw jack 3
When middle, tensioning rod iron 41 is vertical with the end face of stretch-draw jack 3, it is ensured that the direction of the force of stretch-draw jack 3 and tensioning
The axial direction of rod iron 41 is identical, also by folding force and then can cause during tension stretch to avoid tensioning rod iron 41
Draw rod iron damage.Second threaded portion 412 of 41 lower end of tensioning rod iron with tensioning rod iron D type joints for connecting, tensioning rod iron D types
Connector is connect with work anchor chain 7.
Further, also there is tension-compression sensor 45 to connect between pull rod device 4 and work anchor chain 7, tension-compression sensor
45 upper and lower ends are helicitic texture, and 45 upper end of tension-compression sensor is connect with tensioning rod iron 41, and lower end passes through tensioning rod iron D type joints
44 connect with work anchor chain 7.Tension-compression sensor 45 is placed between tensioning rod iron 41 and tensioning rod iron D type joints 44 so that tension and compression
The Impact direction of sensor 45 is in tensioning rod iron 41 and work anchor chain 7 on same axis, can accurately measure tensioning thousand
Jin top 3 is applied to the power on tensioning rod iron 41, may thereby determine that the stretched condition of composite rope 6.
Such as Fig. 1, Fig. 6, Figure 11 a, Figure 11 b, Figure 12 a, Figure 12 b, Figure 13 a, Figure 13 b, Figure 13 c, Figure 13 d, Figure 14 a, Figure 14 b
Shown, locking device 5 includes setting-up piece 51, adjust pad 52 and locking cover board 53, and setting-up piece 51 is circular ring type structure
Its lower surface is welded and fixed with the reinforcing rib in support platform 1,51 center of setting-up piece have for work anchor chain 7 by center
Hole, the upper surface of setting-up piece 51 have a groove I 511, and adjust pad 52 is by two symmetrical semi-circular shape structures to form, two
Semi-circular shape sheet body structure is docking together composition cirque structure, the lower surface of adjust pad 52 have on setting-up piece 51
The matched first annular boss 521 of groove I 511, when adjust pad 52 is placed on setting-up piece 51,52 following table of adjust pad
The first annular boss 521 in face is just stuck in the groove I 511 of 51 upper surface of setting-up piece can be to avoid the two of adjust pad 52
A semi-circular shape sheet body structure separates.The upper surface of adjust pad 52 has the first annular boss with 52 lower surface of adjust pad
521 groove IIs 522 of the same size.Preferably, adjust pad 52 has multiple, the groove of the upper surface of multiple adjust pads 52
II 522 is consistent with 521 size of first annular boss of lower surface, and the outer diameter of multiple adjust pads 52 is different, the multiple adjustment
Gasket 52 can realize the adjusting of shot of a cable section length.As shown in fig. 6, when work anchor chain 7 needs the distance adjusted to be more than a tune
During the thickness of whole gasket 52, multiple adjust pads 52 can be selected, and multiple adjust pads 52 have it is identical first annular
Boss 521 and groove II 522, but its outer diameter is different, and it is big that the small adjust pad 52 of outer diameter can be placed in outer diameter
Adjust pad 52 on, nethermost adjust pad 52 is placed on setting-up piece 51, due to adjust pad 52 have the first ring
Shape boss 521 and groove II 522 so that the first annular boss 521 of nethermost adjust pad 52 is entrapped in setting-up piece 51
Groove I 511 in, can to avoid the lowermost adjust pad 52 separate, the adjusting pad being placed in above bottom adjust pad 52
Piece 52 passes sequentially through first annular boss 521 and groove II 522 and fixes adjust pad 52 above.Preferably, adjust pad
52 tools are there are five types of specification, and the thickness of each adjust pad 52 is 1/5th of a zip length of work anchor chain 7, at five kinds
It can realize that the height of one assembled length is adjusted under the conciliation of specification adjust pad.
As shown in Fig. 6, Figure 11 a, Figure 11 b, Figure 12 a, Figure 12 b, locking cover board 53 includes locking cover plate main body 531 and locking
Bolt 532, locking cover plate main body 531 are alternating share, pass through work anchor chain 7 in the internal diameter of alternating share, lock cover board
53 lower surfaces have the second annular convex platform 5311, the outer diameter of the second annular convex platform 5311 and the groove I of 51 upper surface of setting-up piece
511 is in the same size, and locking has a radial direction pin hole 5312 on cover plate main body 531, and locking latch 532 is inserted into 5312 He of radial direction pin hole
It is placed in a link aperture of the work anchor chain 7 in the internal diameter of locking cover plate main body 531.It is adjusted when not needing to adjust pad 52
When whole, locking cover board 53 is placed directly on setting-up piece 51, and the second annular convex platform 5311 of 53 lower surface of locking cover board is caught in admittedly
In the groove I 511 for determining 51 upper surface of gasket.When need adjust pad 52 be adjusted work anchor chain 7 apart from when, lock cover board
53 are placed in the adjust pad 52 of the top, and the second annular convex platform 5311 of 53 lower surface of locking cover board is caught in the adjustment of the top
In the groove II 522 of the upper surface of gasket 52, and pass through locking latch 532 and lock work anchor chain 7.
Further, as shown in Fig. 6, Figure 11 a, Figure 11 b, Figure 12 a and Figure 12 b, radial direction pin hole 5312 is square through-hole, is locked
Tight bolt 532 is to have and work along its length with 5312 matched square axis of radial direction pin hole, 532 upper surface of locking latch
The matched groove III 5321 of surface radian of the chain link of anchor chain 7, when in the link aperture that locking latch 532 is inserted into work anchor chain 7,
A upper chain festival-gathering is entrapped in along 532 length direction of locking latch in groove III 5321, can be to avoid chain link and locking latch 532
Between mutual vibration, ensure that the stability of connection.532 one end of locking latch has widening plate for limiting locking latch 532
Position in radial direction pin hole 5312, the both ends of locking latch 532 have safe pin hole, lock on cover plate main body 531 with safety
Pin hole position corresponding section also has safe pin hole, locking latch 532 can be fixed on lock by structural members such as pin, bolts
In tight cover plate main body 531.For the ease of mobile and installation, there is at least one handle on 52 outer wall of adjust pad, lock cover board
531 upper surface of main body has at least one handle.
As shown in Fig. 2, the tensioning fixing device of the utility model further includes spare cable 8, spare cable 8 using three-level without
Shelves anchor chain, 8 one end of spare cable are fixed on by spare cable lifting lug 81 in support platform 1,8 other end of spare cable and triangle
One connecting hole of eye plate 82 is connected, and the another two connecting hole of the triangular plate 82 connects respectively with work anchor chain 7 and composite rope 6
It connects.Spare cable 8 is connect by D types shackle 83 with triangular plate 82, and work anchor chain 7 is also by D types shackle 83 and triangular plate
82 connections, it is mutual that triangular plate 82 passes sequentially through composite rope steel wire rope socket 85 with composite rope 6,84 and D types shackle 83 is buckled in Kent
Connection, specifically, the steel wire rope among composite rope 6 are fixed on by steel wire rope epoxide-resin glue and composite rope steel wire rope socket 85
Together, composite rope steel wire rope socket 85 connects Kent and buckles 84, and 84 other ends connection D types shackle 83, D types shackle 83 and three are detained in Kent
Angle eye plate 82 connects.It can be fallen into after work anchor chain 7 fails with pulling composite rope 6 to avoid composite rope using spare cable 8
In seawater.
Such as Figure 15 a, Figure 15 b, Figure 16 a, Figure 16 b, Figure 17 a, Figure 17 b, Figure 18 a, Figure 18 b, Figure 19 a, Figure 19 b, Figure 20 a figures
20b, Figure 21 a and Figure 21 b, it is shown be respectively stretch-draw jack, composite rope steel wire rope socket, the shackle of D types, Kent buckle, birdeye
Plate, work anchor chain and the chain link of spare cable, the structure chart of spare cable lifting lug, these structural members are standard component, Ke Yigen
According to being chosen.
Kent button is forge piece in the tensioning fixing device of the utility model, and surface is coated with zinc-rich anti-decaying paint;Triangular plate
Material is three-level anchor steel peculiar to vessel, and surface is coated with zinc-rich anti-decaying paint;The shackle of D types is forge piece, and heat dip zinc treating is passed through on surface;Gu
Gasket, adjust pad and locking lid surface are determined by heat dip zinc treating, and after surface leaching zinc processing, each component can be in sea
It is used for a long time in foreign environment without being corroded.
It is as follows that work is adjusted using this tensioning fixing device:Composite rope, work anchor chain, spare cable, pull rod device is solid
Determine and pacify requirement interconnection, then adjusting Safety nut position makes its ball-type gasket contacts with stretch-draw jack upper end, grasps
Make stretch-draw jack hydraulic oil pump and constantly promote stretch-draw jack oil cylinder, while continuous observation tension-compression sensor reading, until multiple
It closes cable pulling force and reaches design value.
If stretch-draw jack oil cylinder stroke has been at the end, and composite rope stretching force also backlog demand, can be according to locking
Rectangular through-hole and the relative position of no shelves work anchor chain on cover plate main body, select an appropriate number of adjust pad pad in locking lid
Plate body makes locking latch that can be fixed temporarily work anchor to pass through in a certain chain link of work anchor chain in the following, adjust its height
Chain, then stretch-draw jack is resetted, by the D type joints of tensioning rod iron end and a section work anchor chain nearest apart from locking latch
It is connected, promotes stretch-draw jack oil cylinder again, extract locking latch out, continue tensioning composite rope, until composite rope stretching force meets
It is required that.
After composite rope stretching force reaches design value, according to the rectangular through-hole on locking cover plate main body and no shelves work anchor chain
Relative position selects an appropriate number of adjustable shims pad in locking cover plate main body in the following, adjusting its height, makes locking latch can
To pass through a certain section work anchor chain, work anchor chain is fixed, plugs positioning pin, stretch-draw jack is resetted, removes tensioning rod iron, ball
Type liner, stretch-draw jack, complete the tensioning and fixation of composite rope.
During operation and maintenance, if the stretching force of composite rope has been more than design value, first stretch-draw jack oil cylinder can be risen,
Tensioning rod iron D type joints with a section work anchor chain nearest apart from locking latch are connected again, lift work anchor chain, extraction locking
Bolt reduces stretch-draw jack oil cylinder, until composite rope stretching force is met the requirements, finally according to the rectangle on locking cover plate main body
The relative position of through-hole and no shelves work anchor chain, increases and decreases adjustable shims, adjusts its height, make locking latch can be to pass through a certain
Work anchor chain is saved, work anchor chain is fixed, plugs positioning pin;
It, can be by tensioning rod iron D type joints and apart from lock if the stretching force of composite rope is less than design value during operation and maintenance
The nearest section work anchor chain of tight bolt is connected, and lifts work anchor chain, extracts locking latch out, continues to increase stretch-draw jack oil
Cylinder, until composite rope stretching force is met the requirements, finally according to the rectangular through-hole on locking cover plate main body and no shelves work anchor chain
Relative position increases and decreases adjustable shims, adjusts its height, makes locking latch that can be fixed to pass through a certain section work anchor chain
Work anchor chain, plugs positioning pin, resets stretch-draw jack, removes tensioning rod iron, ball-type liner, stretch-draw jack, completes compound
The tensioning and fixation of cable.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.