CN117894587B - A TPY core binding belt tool and working method thereof - Google Patents
A TPY core binding belt tool and working method thereof Download PDFInfo
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- CN117894587B CN117894587B CN202410193137.7A CN202410193137A CN117894587B CN 117894587 B CN117894587 B CN 117894587B CN 202410193137 A CN202410193137 A CN 202410193137A CN 117894587 B CN117894587 B CN 117894587B
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000003068 static effect Effects 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000003825 pressing Methods 0.000 claims description 59
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000013459 approach Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 14
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
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- 238000010586 diagram Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
本发明公开了一种TPY铁芯绑扎带工装及其工作方法，本发明TPY铁芯绑扎带工装包括工作台、静压块、动压块、导向组件、直线驱动单元和拉紧组件，静压块为立板结构且根部固定连接在工作台顶面中间位置；动压块设在静压块对面，动压块在导向组件导向下能够靠近和远离静压块；直线驱动单元驱动动压块靠近静压块的承压面能够夹紧两个对拼铁芯半环的一处，且对拼铁芯半环圆心、静压块中心和动压块中心位于一条直线上；动压块朝向静压块的顶紧头内端面接触捆扎铁芯半环的钢带，顶紧头的底部设置有穿过重叠部外端头的穿带孔；拉紧组件设置在动压块一侧且能够拉拽重叠部探出穿带孔外端头提供预紧拉力。本发明能够便捷的绑扎钢带，保证绑扎的力度均匀一致。
The present invention discloses a TPY iron core binding belt tool and a working method thereof. The TPY iron core binding belt tool of the present invention comprises a workbench, a static pressure block, a dynamic pressure block, a guide assembly, a linear drive unit and a tensioning assembly. The static pressure block is a vertical plate structure and its root is fixedly connected to the middle position of the top surface of the workbench; the dynamic pressure block is arranged opposite to the static pressure block, and the dynamic pressure block can approach and move away from the static pressure block under the guidance of the guide assembly; the linear drive unit drives the dynamic pressure block to approach the pressure-bearing surface of the static pressure block to clamp one of two opposing iron core semi-rings, and the center of the opposing iron core semi-rings, the center of the static pressure block and the center of the dynamic pressure block are located on a straight line; the inner end face of the top tightening head of the dynamic pressure block toward the static pressure block contacts the steel belt for tying the iron core semi-rings, and the bottom of the top tightening head is provided with a through-belt hole passing through the outer end of the overlapping part; the tensioning assembly is arranged on one side of the dynamic pressure block and can pull the outer end of the overlapping part to protrude through the through-belt hole to provide pre-tightening tension. The present invention can conveniently tie the steel belt and ensure that the strength of the tying is uniform.
Description
Technical Field
The invention relates to the technical field of transformer core production, in particular to a TPY core binding belt tool and a working method thereof.
Background
The TPY-level current transformer is a current transformer with an air gap in the iron core for protection and considering transient characteristics. The TPY coil is provided with an air gap on the closed iron core, so that the residual magnetism can ensure that the peak instantaneous error of the full current is below 10% of the saturated magnetic flux value under the specified accurate limit value condition, and the TPY coil has better transient characteristics. In addition, the iron core is provided with an air gap, so that the magnetic resistance is large, the time for the transformer to reach saturation is prolonged, namely, the linear conversion and transformation relation can be maintained for a longer time, and the transient characteristic is also greatly improved. The TPY-level current transformer is mainly used in the rapid relay protection wiring of ultra-high voltage circuits, large-scale generators and transformers, and can effectively avoid transient misoperation.
The TPY-level current transformer iron core is also referred to as a TPY iron core in the industry, as shown in fig. 1, the existing TPY iron core is formed by splicing two semicircular iron core bodies 1', and the two semicircular iron core bodies 1' are formed by bonding cold-rolled silicon steel sheets layer by layer to form an entire annular iron core, and then cutting and forming along the diameter direction. The air gap positions are filled between the two semicircular iron core bodies 1' by using the insulating pad 3', and then the steel belt 2' is adopted to bind and fasten the outer ring, so that the insulation paper and the coil in the later stage are ensured to have enough strength when being wound. Because the output of the TPY-level current transformer is not large, when the steel belt 2' is bound, at the present stage, the operator mainly uses simple tools such as simple locking pliers, jacking blocks and the like to carry out binding, one person is required to drag, the other person is fixed at the overlapping part 4' of the steel belt 2' by spot welding, and more than two points are fixed by spot welding. The processing process is time-consuming and labor-consuming, and the problem that the binding pretightening force of the steel belt 2' is uniform and consistent cannot be guaranteed.
In order to overcome the problems, a TPY iron core binding belt tool and a working method thereof are needed.
Disclosure of Invention
The invention aims to provide a TPY iron core binding belt tool and a working method thereof, which can conveniently bind steel belts and ensure uniform binding force.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a TPY iron core binding belt tool which comprises a workbench, a static pressing block, a movable pressing block, a guide assembly, a linear driving unit and a tensioning assembly, wherein the workbench for horizontally placing a TPY iron core is horizontally arranged; the dynamic pressure block is arranged opposite to the static pressure block, and the dynamic pressure block can be close to and far away from the static pressure block under the guide of the guide assembly; the linear driving unit drives the movable block to be close to the pressure bearing surface of the static block so as to clamp one position of two split iron core half rings, and the center of the split iron core half rings, the center of the static block and the center of the movable block are positioned on a straight line; the side, facing the static pressing block, of the dynamic pressing block is provided with a centering and narrowing jacking head, the inner end surface of the jacking head is contacted with a steel belt for bundling the iron core semi-rings, and the bottom of the jacking head is provided with a belt penetrating hole penetrating through the outer end of the overlapping part; the tensioning assembly is arranged on one side of the dynamic pressure block and can pull the overlapped part to extend out of the outer end head of the threading hole to provide pre-tensioning force.
Further, the bearing surface of the static pressure block is an arc surface which is matched with the inner ring of the iron core semi-ring, and the inner end surface of the jacking head is an arc surface which is matched with the outer ring of the iron core semi-ring.
Further, a fixed plate is further arranged at the bottom of the static pressure block, the fixed plate is fixedly connected with the workbench through bolts, and an inclined support rib plate is arranged between the rear part of the fixed plate and the top of the static pressure block vertical plate.
Further, the hydraulic device further comprises a buffer pressurizing assembly, the guide assembly comprises main guide posts, the two main guide posts are horizontally arranged in parallel, the root parts of the main guide posts are fixedly connected to the outer end face of the movable pressing block, the linear driving unit specifically adopts a hydraulic cylinder, the hydraulic cylinder is installed through a flange at the front end of a hydraulic cylinder installation plate, and a guide hole for being matched with the main guide posts is formed in the hydraulic cylinder installation plate; the buffering and pressurizing assembly comprises a middle pushing plate and first pressure springs, the upper end and the lower end of the middle pushing plate are also provided with guide holes in guide sliding fit with the main guide posts, the two first pressure springs are respectively sleeved at the front parts of the two main guide posts, and the first pressure springs are tightly pressed between the movable pressing block and the middle pushing plate; and the piston rod of the hydraulic cylinder is connected to the middle position of the back of the middle push plate.
Further, the main guide column comprises a coarse guide part and a fine guide part which are coaxially arranged, and the diameter of the coarse guide part is larger than that of the fine guide part; the fine guide part is arranged at the front part, the front end of the fine guide part is fixedly connected with the outer end surface of the movable pressing block, and the middle pushing plate slides on the fine guide part in a guiding way; the thick guide part is arranged at the rear part and is matched with the guide hole of the hydraulic cylinder mounting plate.
Further, the tensioning assembly comprises a speed reducing motor, a dragging wheel, a bearing supporting seat, a rotating shaft and a pressing wheel, wherein a motor mounting plate is horizontally and fixedly connected to the top end surface of the dynamic block, and the motor mounting plate and the middle pushing plate extend out to one side perpendicular to the axis of the main guide column; the speed reducing motor is arranged at the top of the protruding end of the motor mounting plate, the output shaft of the speed reducing motor is coaxially and fixedly connected with the rotating shaft, and the rotating shaft is vertically arranged below the protruding end of the motor mounting plate through the bearing support seat; the dragging wheel is coaxially and fixedly connected to the rotating shaft, the pressing wheel which is vertically arranged is arranged on the front side wall of the protruding end of the middle push plate through a buffer component, and the pressing wheel can press the outer end head of the overlapped part to the outer wall of the dragging wheel.
Further, the buffer member comprises a supporting seat, a second pressure spring, a guide rod and a lock nut, wherein the two supporting seats are rotatably supported at the upper end and the lower end of the compression wheel, and the bottom plates of the supporting seats are respectively fixed with the two guide rods which are horizontally arranged; the middle push plate is provided with a guide hole corresponding to the guide rod, the rear end of the guide rod is provided with a screw rod section, the lock nut is in threaded connection with the screw rod section, the second pressure spring is sleeved on the guide rod, and the second pressure spring is compressed between the bottom plate of the supporting seat and the middle push plate.
Further, the anti-slip device also comprises an anti-wear sleeve, wherein the anti-wear sleeve is coaxially sleeved on the outer wall of the dragging wheel, and an anti-slip protrusion is arranged on the outer surface of the anti-wear sleeve; the outer surface of the wear-resistant sleeve is contacted with the outer end head of the overlapping part, and the wear-resistant sleeve is made of nylon materials.
Further, the number of the threading holes is multiple, and the threading holes are arranged at equal intervals along the height direction of the tightening head.
The invention also discloses a working method of the TPY iron core binding belt tool, and the TPY iron core binding belt tool is applied to carry out the steel belt binding operation of the TPY iron core according to any one of the claims 1-9.
Compared with the prior art, the invention has the beneficial technical effects that:
The TPY iron core binding belt tool disclosed by the invention adopts a mode that the static pressing block and the dynamic pressing block are clamped and placed on the iron core semi-rings on the workbench, so that the spliced TPY iron core can be kept not to move in the process of tensioning the outer end of the steel belt, and compared with a manual pressing and simple tool clamping mode, the splicing and binding process is more reliable and stable. Through the setting of guide component can guarantee that the movable block exerts pressure to the iron core semi-ring according to setting up the orbit strictly and avoids appearing slope and unstability. Through the setting of tensioning assembly, automatic pulling overlap portion stretches out the outer end of wearing the band hole, has guaranteed that the steel band is tied up the pretightning force and is controllable. The TPY iron core binding belt tool and the working method thereof can conveniently bind steel belts and ensure uniform binding force.
In addition, through the contact surface of reasonable setting quiet briquetting and movable briquetting, guaranteed to compress tightly TPY iron core in-process and exert the clamp force in the middle, dislocation can not take place for TPY iron core. Through setting up the fixed plate in static pressure piece bottom, the fixed plate switches to the workstation, and adds the bearing diagonal gusset, has guaranteed the joint strength of static pressure piece and workstation, even the reciprocal impact of dynamic pressure piece also can not make the static pressure piece become flexible deformation. Through setting up a plurality of mutually spaced wearing holes, not only can realize the ligature of the TPY iron core of different thickness specifications, the wearing hole that the interval set up in addition also can not make the contact steel band exert pressure the position excessively weaken, avoids taking place wearing hole lateral wall deformation. Through the setting of buffering pressurization subassembly, the straight line drive unit does not directly act on moving the briquetting, but at first pressurizes well push pedal, and well push pedal is promoted again and is moved the briquetting through first pressure spring for the slow pressurization of movable briquetting has reduced the impact damage to the iron core semi-ring. Through well push pedal and leading post direction sliding fit, guaranteed well push pedal smooth and easy slip, upper and lower both ends evenly promote simultaneously and move the briquetting. Through the setting of thick guiding part and thin guiding part, can the joint in the step department of thin guiding part to thick guiding part at last when well push pedal return stroke, the pneumatic cylinder contracts again and drives the movable block and break away from the compression station, is convenient for change the TPY iron core and carries out next operation. The traction wheel is driven by the gear motor to rotate, the outer end head of the overlapping part is extruded on the traction wheel by the pressing wheel to realize traction tensioning, the traction stroke is not limited, the output torque of the gear motor is controlled, and the tensioning pretightening force can be set. The pinch roller is installed on the preceding lateral wall of well push pedal extrusion end, and the in-process that the movable block was compressed tightly, well push pedal synchronizing belt pinch roller is close to dragging the wheel, presss from both sides the outer end of overlap portion tightly, and the operation process obtains the interlocking assurance on machinery, only drags the wheel and can drag the outer end of overlap portion under the condition that the movable block is compressed tightly promptly, avoids not being compressed tightly under dragging the whole strip of steel band out, still needs to place the steel band again. Through setting up second pressure spring and guide bar as the buffer component of pinch roller, play the effect of adjusting the outer end dynamics of clamp overlap portion, the compressive force of second pressure spring is as the force of pinch roller promptly, avoids well push pedal to drive down hard compressing tightly and causes the pivot to warp, also can play the guard action to dragging the wheel simultaneously. The wear-resistant sleeve is sleeved on the outer wall of the dragging wheel, so that not only is the wear-resistant effect achieved, but also the friction force between the end heads of the overlapping parts can be increased, and the slipping condition is avoided; meanwhile, under the condition that the wear-resistant sleeve is damaged, only the wear-resistant sleeve needs to be replaced, and the whole replacement of the dragging wheel is avoided.
Drawings
The invention is further described with reference to the following description of the drawings.
Fig. 1 is a schematic diagram of a rear top view structure of a TPY iron core binding tape in the prior art;
fig. 2 is a schematic diagram of a front view structure of the TPY iron core binding band tool of the present invention;
FIG. 3 is a schematic top view of the TPY iron core binding belt tool of the present invention;
FIG. 4 is a schematic view of the part of the structure of the I part in FIG. 2;
FIG. 5 is a schematic view of the structure of FIG. 4 in the direction A;
FIG. 6 is a schematic view of a partial enlarged structure of the installation part of the pinch roller of the present invention;
Fig. 7 is a top view of the working principle of the invention.
Reference numerals illustrate: 1', an iron core semi-ring; 2', steel strips; 3', insulating pad; 4', an overlapping portion;
1. A work table; 2. static pressing blocks; 201. a fixing plate; 3. a dynamic pressing block; 301. tightly pushing the head; 302. threading the belt holes; 303. a motor mounting plate; 4. a hydraulic cylinder mounting plate; 5. a hydraulic cylinder; 6. a main guide post; 601. a rough guide part; 602. a thin guide part; 7. a middle push plate; 8. a first compression spring; 9. a speed reducing motor; 10. a drag wheel; 11. a wear-resistant sleeve; 12. a bearing support; 13. a rotating shaft; 14. a pinch roller; 141. a support base; 142. a second compression spring; 143. a guide rod; 144. and (5) locking a nut.
Detailed Description
The core of the invention is to provide the TPY iron core binding belt tool and the working method thereof, so that the steel belt can be conveniently bound, and the binding force is ensured to be uniform.
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to the drawings, fig. 1 is a schematic view of a rear plan view structure of a TPY iron core binding tape in the prior art; fig. 2 is a schematic diagram of a front view structure of the TPY iron core binding band tool of the present invention; FIG. 3 is a schematic top view of the TPY iron core binding belt tool of the present invention; FIG. 4 is a schematic view of the part of the structure of the I part in FIG. 2; FIG. 5 is a schematic view of the structure of FIG. 4 in the direction A; FIG. 6 is a schematic view of a partial enlarged structure of the installation part of the pinch roller of the present invention; fig. 7 is a top view of the working principle of the invention.
In a specific embodiment, as shown in fig. 2 to 6, the TPY iron core binding band tooling of the present invention includes a workbench 1, a static pressure block 2, a dynamic pressure block 3, a guide assembly, a linear driving unit and a tensioning assembly. A workstation 1 level sets up for keeping flat TPY iron core, and static briquetting 2 is riser structure and root fixed connection in workstation 1 top surface intermediate position. The two iron core semi-rings 1 'are spliced on the surface of the workbench 1 and are wound with steel belts 2'. The movable pressing block 3 is arranged opposite to the static pressing block 2, and the movable pressing block 3 can be close to and far away from the static pressing block 2 under the guide of the guide assembly. The linear driving unit drives the movable pressing block 3 to be close to the pressure bearing surface of the static pressing block 2, so that one position of the two paired iron core semi-rings 1' can be clamped, namely, the inner end head of the steel belt 2' can be pressed on the outer wall of the iron core semi-rings 1 '. In the compressed state, the center of the split iron core semi-ring 1', the center of the static pressure block 2 and the center of the dynamic pressure block 3 are positioned on the same straight line, and the driving track of the straight line driving unit is also along the straight line. The side of the movable pressing block 3 facing the static pressing block 2 is provided with a centering and narrowing jacking head 301, the inner end surface of the jacking head 301 contacts with the steel belt 2' of the bundling core semi-ring 1', and the bottom of the jacking head 301 is provided with a belt penetrating hole 302 penetrating through the outer end of the overlapping part 4 '. The outer end of the overlap 4', i.e. the outer end of the whole steel strip 2'. The tensioning assembly is arranged on one side of the movable pressing block 3 and can pull the overlapped part 4' to extend out of the outer end of the belt penetrating hole 302 to provide pre-tensioning force.
The fixed pressing block 2 and the movable pressing block 3 are clamped and placed on the iron core semi-ring 1 'on the workbench 1, so that the spliced TPY iron core can be kept from moving in the process of tensioning the outer end of the steel belt 2', and compared with the manual pressing and simple tool clamping modes, the splicing and binding process is more reliable and stable. The movable pressing block 3 can be ensured to apply pressure to the iron core semi-ring 1' strictly according to the set track through the arrangement of the guide assembly, so that inclination and instability are avoided. Through the arrangement of the tensioning assembly, the overlapping part 4 'is automatically pulled to extend out of the outer end of the belt penetrating hole 302, and the strapping pretightening force of the steel belt 2' is ensured to be controllable. The TPY iron core binding belt tool and the working method thereof can conveniently bind steel belts and ensure uniform binding force.
In a specific embodiment of the present invention, the bearing surface of the static pressing block 2 is an arc surface adapted to the inner ring of the core half ring 1', and the inner end surface of the tightening head 301 is an arc surface adapted to the outer ring of the core half ring 1'.
Through the contact surface of reasonable setting static briquetting 2 and movable briquetting 3, guaranteed to compress tightly TPY iron core in-process and exert the clamp force placed in middle, dislocation can not take place for TPY iron core.
In a specific embodiment of the invention, as shown in fig. 1 and 2, a fixing plate 201 is welded and installed at the rear bottom of the static pressure block 2, the fixing plate 201 is fixedly connected with the workbench 1 through bolts, and an inclined support rib plate is arranged between the rear part of the fixing plate 201 and the top of the vertical plate of the static pressure block 2.
Through setting up fixed plate 201 in static pressure piece 2 bottom, fixed plate 201 switches to workstation 1, and adds the bearing diagonal gusset, has guaranteed the joint strength of static pressure piece 2 and workstation 1, even moves briquetting 3 reciprocal impact and also can not make static briquetting 2 become flexible deformation.
In one embodiment of the present invention, as shown in fig. 1 and 2, the number of the threading holes 302 is plural, and the plurality of threading holes 302 are arranged at equal intervals along the height direction of the tightening head 301. In one embodiment, the number of threading holes 302 is three. The steel belt 2 'for bundling is generally unchanged in specification, and when the thickness specification of the TPY iron core is changed, two or three steel belts 2' can be bundled to realize relatively stable bundling and fixing.
Through setting up a plurality of mutually spaced threading holes 302, not only can realize the ligature of the TPY iron core of different thickness specifications, the threading holes 302 that the interval set up in addition can not make contact steel band 2' exert pressure the position excessively weaken yet, avoids taking place threading hole 302 lateral wall deformation.
In a specific embodiment of the present invention, as shown in fig. 2 and 3, the TPY iron core binding band tool of the present invention further includes a buffering pressurization assembly, the guiding assembly includes main guide posts 6, two main guide posts 6 are horizontally arranged in parallel, and the root is fixedly connected to the outer end surface of the dynamic pressure block 3. The outer end face of the movable pressing block 3 is provided with an inserting hole, and the main guide column 6 is inserted into and connected to the inserting hole in an interference mode. The linear driving unit specifically adopts a hydraulic cylinder 5, the hydraulic cylinder 5 is installed through a flange at the front end of a hydraulic cylinder installation plate 4, and a guide hole for being matched with a main guide post 6 is also formed in the hydraulic cylinder installation plate 4. The buffering pressurizing assembly comprises a middle pushing plate 7 and first pressure springs 8, guide holes in guide sliding fit with the main guide posts 6 are formed in the upper end and the lower end of the middle pushing plate 7, the two first pressure springs 8 are sleeved on the front portions of the two main guide posts 6 respectively, and the first pressure springs 8 are tightly pressed between the dynamic pressure blocks 3 and the middle pushing plate 7. The piston rod of the hydraulic cylinder 5 is connected with the middle position of the back of the middle push plate 7.
Obviously, the linear driving unit can also adopt an electric push rod or an air cylinder, and similar simple alternative modes fall into the protection scope of the invention.
Obviously, the guide assembly can also be replaced by adopting a matching mode of a linear guide rail and a ball sliding block, the linear guide rail is fixed on the outer end surface of the movable pressing block 3, and the ball sliding block is arranged in a yielding mounting groove of the hydraulic cylinder mounting plate 4.
Specifically, as shown in fig. 2 to 4, the main column 6 includes a thick guide portion 601 and a thin guide portion 602 coaxially provided, and the diameter of the thick guide portion 601 is larger than that of the thin guide portion 602. The thin guiding part 602 is arranged at the front part, the front end is fixedly connected with the outer end surface of the movable pressing block 3, and the middle pushing plate 7 slides on the thin guiding part 602 in a guiding way. The rough guide 601 is provided at the rear and cooperates with the guide hole of the cylinder mounting plate 4.
Through the setting of buffering pressurization subassembly, the straight line drive unit does not directly act on moving briquetting 3, but at first pressurizes well push pedal 7, and well push pedal 7 promotes moving briquetting 3 via first pressure spring 8 again for the slow pressurization of movable briquetting 3 has reduced the impact damage to iron core semi-ring 1'. Through well push pedal 7 and leading post 6 direction sliding fit, guaranteed well push pedal 7 smooth and easy slip, both ends evenly promote simultaneously and move briquetting 3. Through the setting of thick guiding part 601 and thin guiding part 602, can the joint in the step department of thin guiding part 602 to thick guiding part 601 at last when well push pedal 7 return stroke, pneumatic cylinder 5 shrink again and drive movable briquetting 3 break away from the compaction station, be convenient for change the TPY iron core and carry out next operation.
In one embodiment of the present invention, as shown in fig. 2 to 6, the tightening assembly includes a gear motor 9, a drag wheel 10, a bearing support 12, a rotation shaft 13, and a tightening wheel 14. The motor mounting plate 303 is horizontally and fixedly connected to the top end surface of the movable pressing block 3, and the motor mounting plate 303 is mounted through bolts. The motor mounting plate 303 and the middle push plate 7 extend to a side perpendicular to the axis of the main guide column 6, specifically to a side extending out of the outer end of the overlapping portion 4'. The gear motor 9 is installed at the top of motor mounting panel 303 tip that stretches out, and gear motor 9 output shaft passes through shaft coupling connection pivot 13, and pivot 13 pass through the vertical below that sets up in motor mounting panel 303 tip of bearing support seat 12, and bearing support seat 12 passes through flange bolted connection on motor mounting panel 303 bottom surface. The dragging wheel 10 is coaxially and fixedly connected to the rotating shaft 13, the vertically arranged pressing wheel 14 is arranged on the front side wall of the protruding end of the middle push plate 7 through a buffer component, and the pressing wheel 14 can press the outer end of the overlapping part 4' on the outer wall of the dragging wheel 10.
Obviously, the tensioning assembly can also adopt a chuck assembling mode by an action cylinder, the bottom of the action cylinder is arranged at the top end of the movable pressing block 3, the chuck is fixed at the end part of a piston rod of the action cylinder, which is outwards, and the chuck clamps the outer end head of the overlapping part 4'. The action cylinder ejection process realizes tensioning of the outer end head of the overlapped part 4'. Similar simple structural variants fall within the scope of the invention.
The dragging wheel 10 is driven to rotate by the gear motor 9, the outer end of the overlapped part 4' is extruded on the dragging wheel 10 by the pressing wheel 14 to realize dragging and tensioning, the dragging stroke is not limited, the output torque of the gear motor is controlled, and the tensioning pretightening force can be set. The pinch roller 14 is installed on the front side wall of the protruding end of the middle push plate 7, and in the process that the movable block 3 is pressed, the middle push plate 7 synchronously brings the pinch roller 14 towards the dragging wheel 10 to clamp the outer end of the overlapping part 4', so that the operation procedure is mechanically interlocked, namely the dragging wheel 10 can drag the outer end of the overlapping part 4' only under the condition that the movable block 3 is pressed, the whole steel belt 2 'is prevented from being dragged out under the condition that the movable block 3 is not pressed, and the steel belt 2' needs to be replaced.
Specifically, as shown in fig. 2 to 4 and 6, the buffering member includes a support seat 141, a second compression spring 142, a guide rod 143, and a lock nut 144. The two supporting seats 141 are rotatably supported at the upper end and the lower end of the pinch roller 14, and the front end and the rear end of the bottom plate of the supporting seat 141 are respectively fixed with two horizontally arranged guide rods 143. The protruding end of the middle push plate 7 is provided with a guide hole corresponding to the guide rod 143, the rear end of the guide rod 143 is provided with a screw section, and the lock nut 144 is in threaded connection with the screw section to prevent the guide rod 143 from falling out of the guide hole. The second compression spring 142 is sleeved on the guide rod 143, and the second compression spring 142 is pressed between the bottom plate of the supporting seat 141 and the middle push plate 7.
Through setting up second pressure spring 142 and guide bar 143 as the buffer member of pinch roller 14, play the effect of adjusting the outer end dynamics of pressing from both sides tight overlap 4', the compressive force of second pressure spring 142 is as the application force of pinch roller 14 promptly, avoids well push pedal 7 to drive down hard compressing tightly and causes pivot 13 to warp, also can play the guard action to dragging wheel 10 simultaneously.
Specifically, as shown in fig. 5, the TPY iron core binding belt tool of the present invention further includes a wear-resistant sleeve 11, the wear-resistant sleeve 11 is coaxially sleeved on the outer wall of the dragging wheel 10, and vertical stripes and vertical grooves similar to splines are arranged between the middle holes of the wear-resistant sleeve 11 and the outer wall of the dragging wheel 10. The outer surface of the wear-resistant sleeve 11 is provided with anti-slip protrusions or protective patterns which are uniformly distributed. The outer surface of the wear-resistant sleeve 11 contacts with the end head of the overlapping part 4', and the wear-resistant sleeve 11 is made of nylon material with better wear resistance.
The wear-resistant sleeve 11 is sleeved on the outer wall of the dragging wheel 10, so that not only is the wear-resistant effect achieved, but also the friction force between the end heads of the overlapping parts 4' can be increased, and the slipping condition is avoided; meanwhile, under the condition that the wear-resistant sleeve 11 is damaged, only the wear-resistant sleeve 11 needs to be replaced, and the whole replacement of the dragging wheel 10 is avoided.
In a specific embodiment, as shown in fig. 7, the working process of the TPY iron core binding belt tool of the present invention is as follows: before use, the hydraulic cylinder 5 is determined to be in a retreated position, two paired iron core semi-rings 1' are horizontally placed on the table surface of the workbench 1, butt-jointing is completed, an insulating pad 3' is installed at a butt-jointing gap between the two iron core semi-rings, and insulating glue can be used for bonding the insulating pad 3'. Note that the static pressing block 2 is located in the split-up TPY core ring core, the primary swing TPY core position is such that an air gap is opposite to and the inner wall contacts the bearing surface of the static pressing block 2, and it is approximately ensured that the center of the core semi-ring 1', the center of the static pressing block 2 and the center of the dynamic pressing block 3 are located on a straight line. Then, the steel belt 2' with the cut set length is wound on the outer wall of the arranged iron core semi-ring 1', and the overlapped part 4' after one whole circle is arranged on one side of the movable pressing block 3 far away from the gear motor 9. The inner end of the steel belt 2' is just arranged between the static pressure block 2 and the dynamic pressure block 3. After the outer end of the steel belt 2', that is, the outer end of the overlapping portion 4', passes through the belt threading hole 302, the steel belt passes around the dragging wheel 10 first, and is thrown back around the pressing wheel 14. The control panel of the control equipment electric cabinet is controlled, the hydraulic cylinder 5 starts to act, the hydraulic cylinder 5 is ejected, the middle push plate 7 is pushed, the middle push plate 7 pushes the movable pressing block 3 to approach the static pressing block 2 through the first pressure spring 8, the first pressure spring 8 is compressed to press the movable pressing block 3 after contacting the inner end of the steel belt 2', the movable pressing block 3 compresses the inner end of the steel belt 2' on the outer wall of the iron core semi-ring 1', and the hydraulic cylinder 5 stops acting after reaching the set hydraulic pressure or reaching the set ejection stroke. At the same time, the middle push plate 7 synchronously brings the hold-down wheel 14 towards the dragging wheel 10, and after contacting, the second compression spring 142 is continuously compressed to clamp the outer end of the overlapping part 4' between the wear-resistant sleeve 11 and the hold-down wheel 14. The control panel of the control equipment electric cabinet is characterized in that the gear motor 9 rotates to drive the rotating shaft 13, the rotating shaft 13 drives the dragging wheel 10 to rotate to drag the outer end of the overlapping part 4', the outer end of the overlapping part 4' is tensioned, and the strapping pretightening force is controlled by controlling the output moment of the gear motor 9. When the slip condition is not found in the process of observing the dragging of the dragging wheel 10 and the set moment is reached, the gear motor 9 stops and brakes. The worker performs spot welding of the overlapping portion 4' and makes two spot welding positions. The control panel of the control equipment electric cabinet is controlled, the hydraulic cylinder 5 retreats, the middle pushing plate 7 is pulled, the dynamic pressure block 3 leaves the static pressure block 2, and the compression wheel 14 leaves the dragging wheel 10. And removing the outer end part of the redundant overlapping part 4', taking down the bundled TPY iron core, and replacing the new iron core semi-ring 1' for bundling.
The TPY iron core binding belt tool adopts the mode that the static pressing block 2 and the dynamic pressing block 3 are clamped and placed on the iron core semi-ring 1 'on the workbench 1, can keep the spliced TPY iron core not moving in the process of tensioning the outer end of the steel belt 2', and is more reliable and stable in splicing and binding compared with the manual pressing and simple tool clamping modes. The movable pressing block 3 can be ensured to apply pressure to the iron core semi-ring 1' strictly according to the set track through the arrangement of the guide assembly, so that inclination and instability are avoided. Through the arrangement of the tensioning assembly, the overlapping part 4 'is automatically pulled to extend out of the outer end of the belt penetrating hole 302, and the strapping pretightening force of the steel belt 2' is ensured to be controllable. The TPY iron core binding belt tool and the working method thereof can conveniently bind steel belts and ensure uniform binding force. In addition, through the contact surface of reasonable setting static briquetting 2 and movable briquetting 3, guaranteed to compress tightly TPY iron core in-process and exert the clamp force in the middle, dislocation can not take place for TPY iron core. Through setting up fixed plate 201 in static pressure piece 2 bottom, fixed plate 201 switches to workstation 1, and adds the bearing diagonal gusset, has guaranteed the joint strength of static pressure piece 2 and workstation 1, even moves briquetting 3 reciprocal impact and also can not make static briquetting 2 become flexible deformation. Through setting up a plurality of mutually spaced threading holes 302, not only can realize the ligature of the TPY iron core of different thickness specifications, the threading holes 302 that the interval set up in addition can not make contact steel band 2' exert pressure the position excessively weaken yet, avoids taking place threading hole 302 lateral wall deformation. through the setting of buffering pressurization subassembly, the straight line drive unit does not directly act on moving briquetting 3, but at first pressurizes well push pedal 7, and well push pedal 7 promotes moving briquetting 3 via first pressure spring 8 again for the slow pressurization of movable briquetting 3 has reduced the impact damage to iron core semi-ring 1'. Through well push pedal 7 and leading post 6 direction sliding fit, guaranteed well push pedal 7 smooth and easy slip, both ends evenly promote simultaneously and move briquetting 3. Through the setting of thick guiding part 601 and thin guiding part 602, can the joint in the step department of thin guiding part 602 to thick guiding part 601 at last when well push pedal 7 return stroke, pneumatic cylinder 5 shrink again and drive movable briquetting 3 break away from the compaction station, be convenient for change the TPY iron core and carry out next operation. The dragging wheel 10 is driven to rotate by the gear motor 9, the outer end of the overlapped part 4' is extruded on the dragging wheel 10 by the pressing wheel 14 to realize dragging and tensioning, the dragging stroke is not limited, the output torque of the gear motor is controlled, and the tensioning pretightening force can be set. The pinch roller 14 is installed on the front side wall of the protruding end of the middle push plate 7, and in the process that the movable block 3 is pressed, the middle push plate 7 synchronously brings the pinch roller 14 towards the dragging wheel 10 to clamp the outer end of the overlapping part 4', so that the operation procedure is mechanically interlocked, namely the dragging wheel 10 can drag the outer end of the overlapping part 4' only under the condition that the movable block 3 is pressed, the whole steel belt 2 'is prevented from being dragged out under the condition that the movable block 3 is not pressed, and the steel belt 2' needs to be replaced. Through setting up second pressure spring 142 and guide bar 143 as the buffer member of pinch roller 14, play the effect of adjusting the outer end dynamics of pressing from both sides tight overlap 4', the compressive force of second pressure spring 142 is as the application force of pinch roller 14 promptly, avoids well push pedal 7 to drive down hard compressing tightly and causes pivot 13 to warp, also can play the guard action to dragging wheel 10 simultaneously. The wear-resistant sleeve 11 is sleeved on the outer wall of the dragging wheel 10, so that not only is the wear-resistant effect achieved, but also the friction force between the end heads of the overlapping parts 4' can be increased, and the slipping condition is avoided; meanwhile, under the condition that the wear-resistant sleeve 11 is damaged, only the wear-resistant sleeve 11 needs to be replaced, and the whole replacement of the dragging wheel 10 is avoided.
The invention also discloses a working method of the TPY iron core binding belt tool, and the TPY iron core binding belt tool is applied to carry out steel belt binding operation of the TPY iron core.
In the binding processing process, the air gap between the split iron core semi-rings 1 'is preferentially made to correspond between the static pressure block 2 and the dynamic pressure block 3, and the iron core semi-rings 1' are not easy to shift in the clamping process.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (8)
1. The TPY iron core binding belt tool is characterized by comprising a workbench (1), a static pressure block (2), a dynamic pressure block (3), a guide assembly, a linear driving unit and a tensioning assembly, wherein the workbench (1) for horizontally placing the TPY iron core is horizontally arranged, the static pressure block (2) is of a vertical plate structure, and the root part of the static pressure block is fixedly connected to the middle position of the top surface of the workbench (1); the dynamic pressure block (3) is arranged opposite to the static pressure block (2), and the dynamic pressure block (3) can be close to and far away from the static pressure block (2) under the guide of the guide assembly; the linear driving unit drives the movable block (3) to be close to the pressure bearing surface of the static block (2) so as to clamp one position of two split iron core semi-rings (1 '), and the center of the split iron core semi-rings (1'), the center of the static block (2) and the center of the movable block (3) are positioned on the same straight line; the dynamic pressure block (3) is arranged to be a centering and narrowing jacking head (301) towards one side of the static pressure block (2), the inner end surface of the jacking head (301) is contacted with a steel belt (2 ') for bundling the iron core semi-rings (1 '), and the bottom of the jacking head (301) is provided with a belt penetrating hole (302) penetrating through the outer end of the overlapping part (4 '); the tensioning assembly is arranged on one side of the dynamic pressure block (3) and can pull the overlapped part (4') to extend out of the outer end head of the belt penetrating hole (302) to provide pre-tensioning force;
the hydraulic cylinder (5) is mounted through a flange at the front end of a hydraulic cylinder mounting plate (4), and a guide hole for being matched with the main guide column (6) is formed in the hydraulic cylinder mounting plate (4); the buffering pressurizing assembly comprises a middle pushing plate (7) and first pressure springs (8), guide holes in guide sliding fit with the main guide posts (6) are formed in the upper end and the lower end of the middle pushing plate (7), the two first pressure springs (8) are respectively sleeved on the front parts of the two main guide posts (6), and the first pressure springs (8) are tightly pressed between the dynamic pressure blocks (3) and the middle pushing plate (7); the piston rod of the hydraulic cylinder (5) is connected to the middle position of the back of the middle push plate (7);
The tensioning assembly comprises a gear motor (9), a dragging wheel (10), a bearing support seat (12), a rotating shaft (13) and a pressing wheel (14), wherein a motor mounting plate (303) is horizontally and fixedly connected to the top end surface of the dynamic block (3), and the motor mounting plate (303) and the middle pushing plate (7) extend out to one side perpendicular to the axial lead of the main guide column (6); the speed reducing motor (9) is arranged at the top of the protruding end of the motor mounting plate (303), an output shaft of the speed reducing motor (9) is coaxially and fixedly connected with the rotating shaft (13), and the rotating shaft (13) is vertically arranged below the protruding end of the motor mounting plate (303) through the bearing support seat (12); the dragging wheel (10) is coaxially and fixedly connected to the rotating shaft (13), the pressing wheel (14) which is vertically arranged is arranged on the front side wall of the protruding end of the middle pushing plate (7) through a buffer component, and the pressing wheel (14) can press the outer end head of the overlapping part (4') on the outer wall of the dragging wheel (10).
2. The TPY core tie tool of claim 1, wherein: the bearing surface of the static pressure block (2) is an arc surface which is matched with the inner ring of the iron core semi-ring (1 '), and the inner end surface of the jacking head (301) is an arc surface which is matched with the outer ring of the iron core semi-ring (1').
3. The TPY core tie tool of claim 1, wherein: the bottom of the static pressure block (2) is also provided with a fixing plate (201), the fixing plate (201) is fixedly connected with the workbench (1) through bolts, and an inclined support rib plate is arranged between the rear part of the fixing plate (201) and the top of the vertical plate of the static pressure block (2).
4. The TPY core tie tool of claim 1, wherein: the main guide column (6) comprises a coarse guide part (601) and a fine guide part (602) which are coaxially arranged, wherein the diameter of the coarse guide part (601) is larger than that of the fine guide part (602); the thin guide part (602) is arranged at the front part, the front end of the thin guide part is fixedly connected with the outer end surface of the dynamic pressure block (3), and the middle push plate (7) slides on the thin guide part (602) in a guiding way; the rough guide part (601) is arranged at the rear part and is matched with the guide hole of the hydraulic cylinder mounting plate (4).
5. The TPY core tie tool of claim 1, wherein: the buffer component comprises a supporting seat (141), a second pressure spring (142), a guide rod (143) and a lock nut (144), wherein the two supporting seats (141) are rotatably supported at the upper end and the lower end of the pressing wheel (14), and the bottom plates of the supporting seats (141) are respectively fixed with the two guide rods (143) which are horizontally arranged; the middle push plate (7) is provided with a guide hole corresponding to the guide rod (143), the rear end of the guide rod (143) is provided with a screw rod section, the lock nut (144) is in threaded connection with the screw rod section, the second pressure spring (142) is sleeved on the guide rod (143), and the second pressure spring (142) is compressed between the bottom plate of the supporting seat (141) and the middle push plate (7).
6. The TPY core tie tool of claim 1, wherein: the anti-slip device further comprises an anti-wear sleeve (11), wherein the anti-wear sleeve (11) is coaxially sleeved on the outer wall of the dragging wheel (10), and an anti-slip protrusion is arranged on the outer surface of the anti-wear sleeve (11); the outer surface of the wear-resistant sleeve (11) is in contact with the outer end of the overlapping part (4'), and the wear-resistant sleeve (11) is made of nylon materials.
7. The TPY core tie tool of claim 1, wherein: the number of the threading holes (302) is multiple, and the threading holes (302) are arranged at equal intervals along the height direction of the jacking head (301).
8. The working method of the TPY iron core binding belt tool is characterized by comprising the following steps of: the steel band binding operation of the TPY iron core is performed by using the TPY iron core binding band fixture according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410193137.7A CN117894587B (en) | 2024-02-21 | 2024-02-21 | A TPY core binding belt tool and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410193137.7A CN117894587B (en) | 2024-02-21 | 2024-02-21 | A TPY core binding belt tool and working method thereof |
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| CN117894587B true CN117894587B (en) | 2024-11-12 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201315220Y (en) * | 2008-11-20 | 2009-09-23 | 平高集团有限公司 | TPY grade transient current transformer coil |
| CN103035375A (en) * | 2012-12-27 | 2013-04-10 | 青岛海沃电气设备有限公司 | Electric reactor with integrally-bound iron core and binding method of iron core of electric reactor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3629240B2 (en) * | 2002-01-25 | 2005-03-16 | 株式会社日立製作所 | Iron core horizontal winding binding device |
| CN202487353U (en) * | 2012-03-02 | 2012-10-10 | 日照华信电气有限公司 | Combined iron core for TPY level current transformer |
| KR20130136142A (en) * | 2012-06-04 | 2013-12-12 | 현대중공업 주식회사 | Binding apparatus for fixing of transformer core |
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2024
- 2024-02-21 CN CN202410193137.7A patent/CN117894587B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201315220Y (en) * | 2008-11-20 | 2009-09-23 | 平高集团有限公司 | TPY grade transient current transformer coil |
| CN103035375A (en) * | 2012-12-27 | 2013-04-10 | 青岛海沃电气设备有限公司 | Electric reactor with integrally-bound iron core and binding method of iron core of electric reactor |
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| CN117894587A (en) | 2024-04-16 |
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