Bolt clamp device
Technical field
The utility model relates to fastener, particularly relates to bolt clamp device.
Background technology
Hub of wind power generator is a vitals of connecting fan blade and main shaft, wheel hub there are three large diameter floating bearings, this bearing is bolted in hub body by a circle, bolt quantity is generally up to a hundred, prior art is three people one group, be equipped with two hydraulic spanners and a pump assembles, a circle bolt will divide three steps fastening complete.In like manner, the installation for driftage bearing also needs same complicated operation.
Inventor is realizing in process of the present utility model, find that prior art exists following defect: artificial fastening bolt production efficiency is lower, personnel labor intensity is large, cost of labor is high, there is different technological parameters in different personnel, cause the uniformity of technological parameter to be difficult to ensure, add inspection difficulty, reduce the operability of assembling standard.
Utility model content
The object of embodiment of the present utility model is to provide a kind of bolt clamp device, to substitute the operating type of pure manual fastening bolt, improves operating efficiency and the assembly precision of bolted.
For achieving the above object, embodiment of the present utility model provides a kind of bolt clamp device, and it comprises base, support component, lowering or hoisting gear, angle-adjusting mechanism, scratch diskette rotating mechanism, scratch diskette and hydraulic spanner head,
Described support component is arranged on described base, and described lowering or hoisting gear is arranged on described support component, for driving described angle-adjusting mechanism, described scratch diskette rotating mechanism and described scratch diskette to be elevated,
Described angle-adjusting mechanism is connected with described lowering or hoisting gear, for adjusting the angle of inclination of described scratch diskette rotating mechanism and described scratch diskette,
Described scratch diskette rotating mechanism is connected with described angle-adjusting mechanism, for driving described scratch diskette to rotate,
Described scratch diskette is connected with described scratch diskette rotating mechanism, and described scratch diskette is provided with hydraulic spanner head.
Further, described angle-adjusting mechanism comprises the first straight-line motion mechanism, wedge block and rotating mechanism fixed pedestal, the lower end of described rotating mechanism fixed pedestal is connected with described lowering or hoisting gear by linkage, one end of described first straight-line motion mechanism is fixed on described lowering or hoisting gear, the other end connects on described wedge block, described wedge block is slidably connected at the first side of the close described lowering or hoisting gear of described rotating mechanism fixed pedestal, described scratch diskette rotating mechanism be connected to described rotating mechanism fixed pedestal away from the second side of described lowering or hoisting gear.
Further, described scratch diskette rotating mechanism comprises scratch diskette fixed pedestal and is arranged on the first motor on scratch diskette fixed pedestal, and scratch diskette is fixed on the output shaft of described first motor.
Further, described scratch diskette rotating mechanism is connected with described angle-adjusting mechanism by the second straight-line motion mechanism.
Further, scratch diskette rotating mechanism comprises scratch diskette fixed pedestal and is arranged on the first motor on scratch diskette fixed pedestal, and described scratch diskette is fixed on the output shaft of described first motor,
Described scratch diskette fixed pedestal is connected by the output shaft of the second straight-line motion mechanism with the second motor be fixed in described rotating mechanism fixed pedestal, and described second motor carries out rectilinear motion for controlling the second straight-line motion mechanism.
Further, hydraulic spanner head is provided with spring members, described spring members is connected on described scratch diskette, for when carrying out bolted, presses to bolt to by described hydraulic spanner head.
Further, described hydraulic spanner head is even number, and every two hydraulic spanner heads are fixed on described scratch diskette by duplex plate.
Further, the middle part of described duplex plate is provided with duplex plate distance adjusting mechanism, for regulating the distance of two on described duplex plate adjacent hydraulic spanner heads.
Further, described scratch diskette has the multiple beams radially extended from center, and described beam has multiple fixing point for fixing described duplex plate.
Further, described beam is 4, and form criss-cross construction, described hydraulic spanner head is 8.
Further, the bottom of base is provided with movable pulley, and is provided with the locking device of movable pulley.
Further, described base is provided with the hydraulic drive unit for driving hydraulic spanner head.
Further, described base is provided with for driving the hydraulic drive unit of hydraulic spanner head and the control unit for controlling motor.
By the bolt clamp device of embodiment of the present utility model, instead of the operating type of pure manual fastening bolt, improve production efficiency, reduce personnel labor intensity, decrease cost of labor, ensure that the uniformity of technological parameter, improve the assembly precision of bolted.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bolt clamp device of the utility model embodiment;
Fig. 2 is the structural representation of the scratch diskette of the fastener of the utility model embodiment;
Fig. 3 is the structural representation of the duplex plate of the utility model embodiment.
Drawing reference numeral illustrates:
1-base; 2-support component; 3-lowering or hoisting gear; 4-angle-adjusting mechanism; 5-scratch diskette rotating mechanism; 6-scratch diskette; 7-hydraulic spanner head; 8-beam; 11-movable pulley; 12-motor control unit; 13-hydraulic drive unit; 41-first straight-line motion mechanism; 42-wedge block; 43-rotating mechanism fixed pedestal; 44-hinge; 45-second motor; 51-scratch diskette fixed pedestal; 52-second straight-line motion mechanism; 53-first motor; 61-fixing point; 62-spring members; 63-duplex plate; 631-duplex plate distance adjusting mechanism; 632-hydraulic spanner head penetrates perforation.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As shown in Figure 1, it is the structural representation of the bolt clamp device of embodiment of the present utility model, the bolt clamp device of the utility model embodiment comprises base 1, support component 2, lowering or hoisting gear 3, angle-adjusting mechanism 4, scratch diskette rotating mechanism 5, scratch diskette 6 and hydraulic spanner head 7, wherein support component 2 is arranged on base 1, lowering or hoisting gear 3 is arranged on support component 2, for driving angle-adjusting mechanism 4, the lifting of scratch diskette rotating mechanism 5 and scratch diskette 6, angle-adjusting mechanism 4 is connected with lowering or hoisting gear 3, for adjusting the angle of inclination of scratch diskette rotating mechanism 5 and scratch diskette 6, scratch diskette rotating mechanism 5 is connected with angle-adjusting mechanism 4, rotate for driving scratch diskette 6, scratch diskette 6 is connected with scratch diskette rotating mechanism 5, scratch diskette 6 is provided with hydraulic spanner head 7.
The bolt clamp device of the present embodiment can substitute manually fastening operating type, thus can improve operating efficiency and assembly precision.In addition, flexible modulation can be carried out to the job position of hydraulic spanner head 7 by the cooperation of lowering or hoisting gear 3, angle-adjusting mechanism 4, scratch diskette rotating mechanism 5 and scratch diskette 6, thus the needs of different fitting surface can be adapted to.Such as, three bearing installed surfaces of the wheel hub of wind-driven generator all have certain angle of inclination, scratch diskette 6 can be adjusted to the angle corresponding with installed surface, thus be convenient to terminal operation by the bolt clamp device of the present embodiment.Below the Alternate embodiments of each major part is further described.
As shown in Figure 1, angle-adjusting mechanism 4 can comprise the first straight-line motion mechanism 41, wedge block 42 and rotating mechanism fixed pedestal 43, in order to realize angular adjustment, the lower end of rotating mechanism fixed pedestal 43 is connected with lowering or hoisting gear 3 by hinge 44, rotating mechanism fixed pedestal 43 freely can be rotated around the axle center of hinge 44, one end of first straight-line motion mechanism 41 is fixed on lowering or hoisting gear 3, the other end is connected on wedge block 42, wherein, lowering or hoisting gear 3 and the first straight-line motion mechanism 41 also can manually can be regulated by Electric Machine Control, wedge block 42 is slidably connected at the first side of the close lowering or hoisting gear 3 of rotating mechanism fixed pedestal 43, realize wedge block 42 to be free to slide along the first side of the close lowering or hoisting gear 3 of rotating mechanism fixed pedestal 43, scratch diskette rotating mechanism 5 be connected to rotating mechanism fixed pedestal 43 away from the second side of lowering or hoisting gear 3.
In addition, scratch diskette rotating mechanism 5 can comprise scratch diskette fixed pedestal 51 and be arranged on the first motor 53 on scratch diskette fixed pedestal 51, scratch diskette 6 is fixed on the output shaft of the first motor 53, realize the rotation being controlled scratch diskette 6 by the first motor 53 accurately, ensure that structural compactness and the stability of device.
In addition, scratch diskette rotating mechanism 5 can be connected with angle-adjusting mechanism 4 by the second straight-line motion mechanism 52, preferably, scratch diskette fixed pedestal 51 can be connected by the output shaft of the second straight-line motion mechanism 52 with the second motor 45 be fixed in rotating mechanism fixed pedestal 43, when scratch diskette works, second motor 45 carries out rectilinear motion for controlling the second straight-line motion mechanism 52, thus drive scratch diskette 6 to carry out straight reciprocating motion on the direction perpendicular to rotating mechanism fixed pedestal 43, make scratch diskette 6 near or away from bolted face.The bolt clamp device of the present embodiment can be driven by least two motors, and the second motor 45 and the first motor 53 control by the motor control unit 12 be arranged on base 1.
In addition, the first above-mentioned straight-line motion mechanism 41 and the second straight-line motion mechanism 52 preferably adopt leading screw and nut mechanism, can also adopt such as ball screw, cylinder, hydraulic cylinder isoline motion.In addition, the first above-mentioned motor and the second motor preferably adopt stepper motor.
In addition, hydraulic spanner head 7 can be provided with spring members 62, spring members 62 is connected on scratch diskette 6, for when carrying out bolted, presses to bolt to by described hydraulic spanner head.Such as, when hydraulic spanner head 7 rotary alignment bolt head or nut, spring members 62 can apply pressure to hydraulic spanner head 7 always makes it be inserted in bolt head or nut, rotates and tight a bolt after aiming at bolt head or nut.
In addition, hydraulic spanner head 7 is generally multiple, and be preferably even number, like this, every two hydraulic spanner heads 7 can be fixed on scratch diskette 6 by duplex plate 63, thus can reduce the effect of reaction of bearing arm, avoid causing bolt to install unbalance loading, duplex plate 63 can adjust the distance between two hydraulic spanner heads 7, adapts to different application scenarios.
In addition, as shown in Figure 2, it is the structural representation of the scratch diskette of the fastener of the utility model embodiment, and Fig. 2 also illustrates state during scratch diskette execution tightening operation simultaneously.Circle in Fig. 2 peripheral circles represents bolt fixed position.Scratch diskette 6 has the multiple beams 8 radially extended from center, beam 8 has multiple fixing point 61 for fixing described duplex plate 63, fixing point 61 can adapt to different reference diameters, simultaneously, as shown in Figure 3, it is the structural representation of the duplex plate 63 of the utility model embodiment, duplex plate distance adjusting mechanism 631 is provided with at the middle part of duplex plate 63, it can adjust the distance of two adjacent hydraulic spanner heads 7 on duplex plate 63, namely regulate two hydraulic spanner heads to penetrate the distance of perforation 632, thus realize the fastening of different bolt distribution situation.
Further, beam 8 is preferably 4, form criss-cross construction, hydraulic spanner head 7 is 8, and beam 8 also can arrange multiple, forms multiple cross structure, duplex plate 63 and hydraulic spanner head 7 can correspondingly increase simultaneously, effective raising operating efficiency, wherein, all hydraulic driving end 7 can be driven by the hydraulic drive unit 13 be arranged on base 1.
In addition, the bottom of base 1 is provided with movable pulley 11, enable bolt clamp device movement flexibly, adapt to different workplaces, and be provided with the locking device (not shown) of movable pulley 11, after moving to operating point, movable pulley 11 can be locked, make base 1 to be fixed on operating point.
The using method of bolt clamp device of the present utility model is as follows: to carry out terminal operation to the bolt of wheel hub upper bearing (metal) installed surface, first bolt clamp device is moved near wheel hub to be tightened, adjustment lowering or hoisting gear 3, angle-adjusting mechanism 4, scratch diskette rotating mechanism 5, make scratch diskette 6 parallel with wheel hub surface to be tightened, adjustment aligns after bolt hole position completes, operation switch board 12 and hydraulic drive unit 13, before fastening bolt, second straight-line motion mechanism 52 drives scratch diskette 6 close gradually to wheel hub, hydraulic spanner head 7 rotates, under the acting in conjunction of spring members 62 and hydraulic spanner head 7, bolt is compressed into bolt hole and starts fastening bolt, after fastening bolt, second straight-line motion mechanism 52 drives scratch diskette 6 gradually away from wheel hub, hydraulic spanner head 7 is withdrawn from bolt, rotating mechanism 5 drives scratch diskette 6 to rotate, align next group bolt and carry out above-mentioned working cycles.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.