CN209374170U - A kind of frame winch - Google Patents

Abstract

The utility model provides a kind of frame winch, including pedestal, bracket, main cage, motor and brake gear, main cage includes two wheel discs and multiple connection frames being connected between two wheel discs, and multiple drum clamp systems for wire coil clamping are provided on connection frame；The brake gear includes magnetic speed mechanism and friction block stop mechanism；Magnetic speed mechanism includes multiple the first electromagnet being circumferentially evenly spaced on wheel disc, the second electromagnet being fixed on the base, and connects electrical component；Electrical component is connect for several first electromagnet on rear side of the second electromagnet to be powered on, these first electromagnet mutually attract with the second electromagnet；The friction block stop mechanism has friction block, and so that it is stopped operating by the way that friction block is pressed to wheel disc.The frame winch first carries out magnetic speed in brake, then carries out friction parking, and braking efficiency is high, and the rate of wear of friction block is small.

Description

A kind of frame winch

Technical field

The utility model relates to technical field of cable production, in particular to a kind of frame winch.

Background technique

Frame winch, i.e. frame type stranding machine are a kind of stranding mechanical equipments applied to various types of soft hard conductor wires, make more Single conductor is twisted into one, reaches the technique requirement of wire rod.Frame winch is mainly by pedestal 1 ', bracket 2 ', main cage 3 ', and setting exists The wheel disc 4 ' at main cage both ends, motor 5 ' and brake gear 6 ' form, and are provided in main cage 3 ' multiple for wire coil clamping 90 Drum clamp system 7 ', as shown in Figure 10.The brake gear of general frame winch drives friction block to press to wheel disc by cylinder Friction catch is carried out, the high temperature that when friction generates, which can reduce coefficient of friction, causes braking efficiency low, and can accelerate the mill of friction block Damage.

As it can be seen that the prior art has much room for improvement and improves.

Utility model content

Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of frame winch, when brake Magnetic speed is first carried out, then carries out friction parking, braking efficiency is high, and the rate of wear of friction block is small.

In order to achieve the above object, the utility model takes following technical scheme:

A kind of frame winch, including pedestal, bracket, main cage, motor and brake gear, main cage include two wheel discs and Multiple connection frames being connected between two wheel discs are provided with multiple drum clamp systems for wire coil clamping on connection frame； The brake gear includes magnetic speed mechanism and friction block stop mechanism；Magnetic speed mechanism includes multiple circumferentially uniform rows First electromagnet of the cloth on wheel disc, the second electromagnet being fixed on the base, and connect electrical component；Electrical component is connect for the Several first electromagnet on rear side of two electromagnet power on, these first electromagnet mutually attract with the second electromagnet；It is described Friction block stop mechanism has friction block, and so that it is stopped operating by the way that friction block is pressed to wheel disc.

In the frame winch, first electromagnet is fixed in an annular mounting groove, the annular mounting groove and wheel Disk is connected；Annular mounting groove is made of nonferromagnetic material.

In the frame winch, the position that each first electromagnet is corresponded on the outer peripheral surface of the annular mounting groove is respectively provided with Have one piece of cathode conductive film and one piece of cathode conductive film, the first magnet spool both ends respectively with corresponding cathode conductive film and Cathode conductive film connection；It is described connect electrical component can simultaneously on rear side of the second electromagnet several cathode conductive films and cathode lead Electric piece connects power supply.

In the frame winch, all cathode conductive films are arranged on the same contour of annular mounting groove, and all is negative Pole conductive sheet is arranged on another contour, and cathode conductive film and cathode conductive film insulate with annular mounting groove；It is described to connect electric group Part includes the arc-shaped brush item of two difference face cathode conductive films and cathode conductive film setting, and driving brush item edge The actuator of annular mounting groove radially moved back and forth；Two brush items are connect with the positive and negative anodes of power supply respectively.

In the frame winch, the actuator includes guide sleeve, and the third electromagnet of guide sleeve bottom is arranged in, sliding Slide bar in guide sleeve is set, the permanent magnet of the lower end of the slider is connected to, and the attachment base at the top of slide bar is set；The electricity Swipe is mounted on attachment base.

In the frame winch, the brush item is carbon item, is detachable connection between brush item and attachment base.

In the frame winch, the friction block stop mechanism includes two cylinders being oppositely arranged, and for fixing The mounting base of cylinder；The piston rod end of each cylinder is provided with one piece of brake block, and friction block, the wheel are equipped on brake block Disk is arranged between two pieces of friction blocks.

In the frame winch, the drum clamp system includes multiple along the circumferentially evenly arranged clamping group of main cage Part；Each clamping component includes the first collet and the second collet for being respectively used to wire coil clamping both ends；The rotation setting of first collet On a connection frame；A guide cylinder, the axis of guide cylinder and are provided on another connection frame of the first collet of face The axis collinear of one collet, in guide cylinder, guide cylinder is provided with one far from one end of the first collet for the second collet sliding plug A worm type of reduction gearing and driving motor, driving motor are connect with the worm screw of the worm type of reduction gearing, which subtracts The output shaft of fast device is screw rod, and second collet is axially disposed corresponding internal thread hole, and screw rod is connect with internal thread hole, And the second collet can be driven mobile when screw rod rotation.

In the frame winch, second collet includes the traveller being slideably positioned in guide cylinder, and rotation setting On the pinnacle of slide bar outboard end；Traveller and guide cylinder are keyed, and the internal thread hole is provided on traveller.

In the frame winch, first collet includes round plate, and the ogival at round plate center, Yi Jizhuan is arranged in Axle portion；Shaft is rotatablely connected with corresponding connection frame；Clamping component with main cage turn to replacement position when, round plate support in Drum bottom.

The utility model has the advantages that

The utility model provides a kind of frame winch, and when brake, magnetic speed mechanism first works, using the first electromagnet with Attraction between second electromagnet forms the retarding moment opposite with rotation direction, so that wheel disc is slowed down, when speed is reduced to one After determining degree, the work of friction block stop mechanism carries out friction parking, since the speed of wheel disc is lower, the temperature for the generation that rubs Relatively low, braking efficiency is high, and the rate of wear of friction block is small.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of frame winch provided by the utility model.

Fig. 2 is the structural schematic diagram of brake gear in frame winch provided by the utility model.

Fig. 3 is the enlarged drawing of S portion in Fig. 2.

Fig. 4 is to connect the structural schematic diagram of electrical component in frame winch provided by the utility model.

Fig. 5 is the structural schematic diagram of friction block stop mechanism in frame winch provided by the utility model.

Fig. 6 is the structural schematic diagram of drum clamp system in frame winch provided by the utility model.

Fig. 7 is the structural schematic diagram of clamping component in frame winch provided by the utility model.

Fig. 8 is the structural schematic diagram of the second collet in frame winch provided by the utility model.

Fig. 9 is the structural schematic diagram of fixing seat in frame winch provided by the utility model.

Figure 10 is the schematic diagram of frame winch in the prior art.

Specific embodiment

The utility model provides a kind of frame winch, for make the purpose of this utility model, technical solution and effect it is clearer, It is clear, the utility model is further described as follows in conjunction with drawings and embodiments.It should be appreciated that tool described herein Body embodiment only to explain the utility model, is not used to limit the utility model.

Herein, the left side in the side of wheel disc rotation direction, i.e. Fig. 3 is referred to after, it is preceding and rear reversed.

Please refer to Fig. 1-9, a kind of frame winch provided by the utility model, including pedestal 1, bracket 2, main cage 3, motor 4 With brake gear 5, main cage includes two wheel discs 3.1 and multiple connection frames 3.2 being connected between two wheel discs, on connection frame It is provided with multiple drum clamp systems 6 for wire coil clamping 90；The brake gear 5 includes magnetic speed mechanism A and friction Block stop mechanism B；Magnetic speed mechanism includes multiple the first electromagnet 5.1 being circumferentially evenly spaced on wheel disc 3.1, fixed The second electromagnet 5.2 on pedestal 1, and connect electrical component 5.3；Electrical component is connect for several on rear side of the second electromagnet First electromagnet powers on, these first electromagnet mutually attract with the second electromagnet；The friction block stop mechanism B, which has, to rub Cleaning block 5.4, and so that it is stopped operating by the way that friction block is pressed to wheel disc.

When brake, magnetic speed mechanism first works, and the second electromagnet is powered, if connecing electrical component on rear side of the second electromagnet Dry first electromagnet powers on, these first electromagnet and the second electromagnet are heteropolar opposite to generate suction (such as Fig. 3 institute Show), the retarding moment opposite with rotation direction is formed using the attraction between the first electromagnet and the second electromagnet, makes wheel disc Slow down, (final speed can be controlled by controlling the working time of magnetic speed mechanism) after speed reduces to a certain extent, The work of friction block stop mechanism carries out friction parking, and since the speed of wheel disc is lower, the temperature for the generation that rubs is relatively low, can It improves braking efficiency and reduces the rate of wear of friction block.

Further, first electromagnet 5.1 is fixed in an annular mounting groove 5.5, the annular mounting groove and wheel Disk 3.1 is connected；Annular mounting groove is made of nonferromagnetic material (such as aluminium, copper, stainless steel).Since annular mounting groove is by non-ferromagnetic Material is made, and will not be magnetized by the first electromagnet, it is ensured that the attraction between the first electromagnet and the second electromagnet generated Torque is opposite with rotation direction always.

In the present embodiment, sees Fig. 4, the position of each first electromagnet 5.1 is corresponded on the outer peripheral surface of the annular mounting groove 5.5 Set and be provided with one piece of cathode conductive film 5.6 and one piece of cathode conductive film 5.7, the first magnet spool both ends respectively with it is corresponding Cathode conductive film connected with cathode conductive film；The electrical component that connects can be simultaneously several anodes on rear side of the second electromagnet Conductive sheet connects power supply with cathode conductive film.Since wheel disc needs to rotate, if installed electrical component setting is connect in annular The inside of slot then needs to be arranged complicated mounting structure and connects electrical component to fix；Cathode conductive film and cathode conductive film are arranged It on the outer peripheral surface of annular mounting groove, connects electrical component and is set up directly on pedestal, compared in inside, be conducive to simplify peace Assembling structure and wire structures.

Further, all cathode conductive films 5.6 are arranged on the same contour of annular mounting groove 5.5, and all is negative Pole conductive sheet 5.7 is arranged on another contour, and cathode conductive film and cathode conductive film insulate with annular mounting groove (such as in conduction Insulation spacer is set, and cathode conductive film and cathode conductive film are referred to as conductive sheet) between piece and annular mounting groove；It is described to connect electrical component 5.3 include the arc-shaped brush 5.3a that two difference face cathode conductive films and cathode conductive film are arranged, and driving electricity The actuator that radially moves back and forth of the swipe along annular mounting groove；Two brush items are connect with the positive and negative anodes of power supply respectively, As shown in Figure 4.

When not braking, brush item is separated with conductive sheet, and when needing to brake, brush item is pressed to conductive sheet by actuator, thus Corresponding first electromagnet is set to be powered, since the circumferential position of brush item is fixed, and in the rear side of the second electromagnet, therefore It can guarantee only have several first electromagnet on rear side of the second electromagnet to be powered when brake, other first electromagnet is avoided to be powered but Significant attraction can not be generated and waste electric energy.

Specifically, the actuator includes guide sleeve 5.3b, the third electromagnet 5.3c of guide sleeve bottom is set, is slided Slide bar 5.3d in guide sleeve is set, the permanent magnet 5.3e of the lower end of the slider is connected to, and the connection at the top of slide bar is set Seat 5.3f；The brush 5.3a is mounted on attachment base 5.3f.

When needing to brake, third electromagnet 5.3c forward direction is powered, and third electromagnet is opposite with permanent magnet homopolarity at this time produces Raw repulsion (as shown in Figure 4), so that pushing attachment base to move up connects the first electromagnet；After the completion of reduction, third electromagnet is reversed It being powered, third electromagnet and the heteropolar opposite generation suction of permanent magnet, retract slide bar at this time, the power-off of the first electromagnet, at this point, the Three electromagnet can also power off, and permanent magnet can be sucked in the iron core of third electromagnet, avoid attachment base mobile, it is seen that normal in frame winch When work, consumption electric energy is not needed to maintain the retracted state of slide bar.

Further, the brush 5.3a is carbon item, is detachable connection between brush item and attachment base 5.3f.By It can rub between brush item and conductive sheet, brush item is set as carbon item herein, avoidable conduction pad wear, and carbon item It for wearing detail, is replaced, therefore is set as detachable connection and is convenient for changing.In the present embodiment, on attachment base 5.3f The mounting groove being adapted with brush 5.3a is offered, brush item is plugged in mounting groove and locks by screw.

Preferably, arc-shaped extension 5.2a is provided at the top of the iron core of second electromagnet 5.2.The extension with Annular mounting groove 5.5 with one heart, can expand the expanded range of pole on the second electromagnet by the extension, shorten the first electromagnet with The distance between second electromagnet to improve total attraction, and then improves retardation efficiency.

Specifically, seeing Fig. 5, the friction block stop mechanism B includes two cylinders being oppositely arranged 5.8, and for solid Determine the mounting base 5.9 of cylinder；The piston rod end of each cylinder 5.8 is provided with one piece of brake block 5.10, is equipped on brake block Friction block 5.4, the wheel disc 3.1 are arranged between two pieces of friction blocks.When brake, two piston rods stretch out simultaneously, two pieces of frictions Simultaneously and disk friction, and each friction block respectively provides pressure by cylinder to block, and pressure is larger, and frictional force is also larger, brake It is high-efficient.Since friction block is expendable part, detachable connection between friction block and brake block, to replace.

Preferably, there are two the friction block stop mechanism B settings, the two sides of magnetic speed mechanism A are separately positioned on, with Further increase braking efficiency.

See that Fig. 6-9, the drum clamp system 6 include multiple along the circumferential evenly arranged clamping component C of main cage 3；Often A clamping component C includes the first collet 6.1 and the second collet 6.2 for being respectively used to 90 both ends of wire coil clamping；The rotation of first collet It is arranged on a connection frame 3.2；It is provided with a guide cylinder 6.3 on another connection frame 3.2 of the first collet of face, is oriented to The axis of cylinder and the axis collinear of the first collet, the second collet sliding plug is in guide cylinder, and guide cylinder is far from the first collet One end is provided with a worm type of reduction gearing 6.4 and driving motor 6.5, the worm screw of driving motor and the worm type of reduction gearing The output shaft of connection, the worm type of reduction gearing is screw rod 6.4a, and second collet is axially disposed corresponding internal screw thread Hole 6.2a, screw rod are connect with internal thread hole, and the second collet can be driven mobile when screw rod rotation.

When work, the first collet and the second collet are respectively used to wire coil clamping both ends, wherein the second collet is by driving motor It drives worm type of reduction gearing to realize by the transmission effect of screw rod and internal thread hole to move back and forth, to realize the folder to drum Tight and release, since worm type of reduction gearing has the function of reverse self-locking, that is, can only be rotated by worm drive worm gear, Wu Fayou The rotation of worm-gear driven worm screw, therefore, the extruding force (from drum) that when the second collet wire coil clamping is subject to can not make worm gear Rotation, so that the second collet can not be made to retreat；And in existing frame winch, usually drive the second collet mobile using cylinder, and And the retaining mechanism of setting structure complexity is needed to prevent the second collet from retreating, overall structure is complicated, in contrast, this drum presss from both sides The structure of tight mechanism is simpler, and reliability is higher.Although only being depicted in Fig. 1 and having the case where there are four clamping component A, It is not the restriction to clamping component quantity.

Specifically, seeing Fig. 8, second collet 6.2 includes the traveller 6.2b being slideably positioned in guide cylinder 6.3, and It is rotatably arranged on the pinnacle 6.2c of slide bar outboard end (i.e. towards one end of the first collet)；Traveller and guide cylinder are keyed, institute Internal thread hole 6.2a is stated to be provided on traveller.Herein, since traveller and guide cylinder are keyed, traveller only can be along axial shifting It is dynamic, it can not rotate, can reliably drive the second collet mobile when to ensure that screw rod 6.4a rotation.

Further, the outboard end of the traveller 6.2b offers bearing mounting hole, is provided in the bearing mounting hole Two angular contact bearing 6.2d, two angular contact bearings are oppositely arranged, and the pinnacle 6.2c has a shaft 6.2e, the shaft It is plugged in two angular contact bearing 6.2d.Since angular contact axis is able to bear biggish unidirectional axial force, two angles Contact bearing is oppositely arranged, it is ensured that pinnacle can not be relatively moved along axial, to will not fall off.

Preferably, each clamping component C further includes the rotation volume of one and the output axis connection of worm type of reduction gearing 6.4 Code device 6.6.By rotary encoder can real-time measurement screw rod 6.4a rotational angle, since the dimensional parameters of screw rod are fixed, The moving distance of two collets and the rotational angle of screw rod are directly proportional, therefore the rotational angle by measuring can detect second indirectly The moving distance of collet shuts down in due course to control driving motor 6.5, avoids the second collet excessive compression drum 90 and lead to line Disk destroys.

In the present embodiment, the driving motor 6.5 is connected by fixing seat 6.7 with corresponding connection frame 3.2.Due to worm gear Worm reducer 6.4 is connected with guide cylinder 6.3, and driving motor 6.5 can be realized and being connected with worm type of reduction gearing It is fixedly mounted, but generates biggish centrifugal force due to that can rotate with main cage when guide cylinder is cantilever design and works, hold Easily lead to loosened screw and malformation；Setting fixing seat 6.7 can avoid such case appearance herein.

Specifically, seeing Fig. 9, the fixing seat 6.7 includes connection ring 6.7a, the fixed plate 6.7b being spirally connected with connection frame 3.2, And it is connected to connecting plate 6.7c and gusset 6.7d between connection ring and fixed plate；The driving motor 6.5 is fixed on connection In ring 6.7a.The weight of the fixing seat is smaller and structural strength is larger.

Further, the connection ring 6.7a has an opening, and opening two sides are provided with protrusive board, connect between two protrusive boards It is connected to clamping screw, as shown in Figure 9.By tightening clamping screw, driving motor banding can be assembled and disassembled simple, use by connection ring It is convenient.

Specifically, first collet 6.1 includes round plate 6.1a, the ogival 6.1b at round plate center is set, with And shaft 6.1c；Shaft is rotatablely connected with corresponding connection frame 3.2；Clamping component C turns to replacement position with main cage 3 When, round plate support is in 90 bottom of drum.When carrying out the replacement of drum, usually first the drum needed replacing is turned to fixed Direction, so that worker replaces, which is the replacement position, by taking Fig. 6 as an example, for the right positions in figure, at this point, If the second collet is in propradation, drum only leans on the first collet to support, and round plate is arranged herein can increase supporting surface, keeps away Exempt from drum to topple over.

It is understood that for those of ordinary skills, can with technical solution according to the present utility model and The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to the protection of the utility model Range.

Claims (10)

1. a kind of frame winch, including pedestal, bracket, main cage, motor and brake gear, main cage includes two wheel discs and more A connection frame being connected between two wheel discs is provided with multiple drum clamp systems for wire coil clamping on connection frame；Its It is characterized in that, the brake gear includes magnetic speed mechanism and friction block stop mechanism；Magnetic speed mechanism includes multiple edges The first electromagnet being circumferentially evenly spaced on wheel disc, the second electromagnet being fixed on the base, and connect electrical component；Connect electric group Part is for powering on several first electromagnet on rear side of the second electromagnet, these first electromagnet and the second electromagnetism iron phase Attract；The friction block stop mechanism has friction block, and so that it is stopped operating by the way that friction block is pressed to wheel disc.

2. frame winch according to claim 1, which is characterized in that first electromagnet is fixed on an annular mounting groove In, the annular mounting groove and wheel disc are connected；Annular mounting groove is made of nonferromagnetic material.

3. frame winch according to claim 2, which is characterized in that correspond to each on the outer peripheral surface of the annular mounting groove The position of one electromagnet is provided with one piece of cathode conductive film and one piece of cathode conductive film, the first magnet spool both ends difference It is connected with corresponding cathode conductive film and cathode conductive film；The electrical component that connects can be simultaneously several on rear side of the second electromagnet A cathode conductive film connects power supply with cathode conductive film.

4. frame winch according to claim 3, which is characterized in that annular mounting groove is arranged in all cathode conductive films On same contour, all cathode conductive films are arranged on another contour, and cathode conductive film and cathode conductive film are pacified with annular Tankage insulation；It is described to connect the arc-shaped brush that electrical component includes two difference face cathode conductive films and cathode conductive film setting Item, and driving brush item is along the actuator of annular mounting groove radially moved back and forth；Two brush items respectively with power supply Positive and negative anodes connection.

5. frame winch according to claim 4, which is characterized in that the actuator includes guide sleeve, is arranged in guide sleeve The third electromagnet of bottom, the slide bar being slidably arranged in guide sleeve are connected to the permanent magnet of the lower end of the slider, and are arranged in cunning Attachment base at the top of bar；The brush item is mounted on attachment base.

6. frame winch according to claim 5, which is characterized in that the brush item is carbon item, brush item and attachment base it Between be detachable connection.

7. frame winch according to claim 1, which is characterized in that the friction block stop mechanism includes two and is oppositely arranged Cylinder, and the mounting base for fixing cylinder；The piston rod end of each cylinder is provided with one piece of brake block, on brake block Friction block is installed, the wheel disc is arranged between two pieces of friction blocks.

8. frame winch according to claim 1-7, which is characterized in that the drum clamp system includes multiple edges The circumferentially evenly arranged clamping component of main cage；Each clamping component include be respectively used to wire coil clamping both ends the first collet and Second collet；First collet is rotatably arranged on a connection frame；One is provided on another connection frame of the first collet of face A guide cylinder, the axis collinear of the axis of guide cylinder and the first collet, in guide cylinder, guide cylinder is remote for the second collet sliding plug One end from the first collet is provided with a worm type of reduction gearing and driving motor, driving motor and the worm type of reduction gearing Worm screw connection, the output shaft of the worm type of reduction gearing is screw rod, and second collet is axially disposed corresponding interior spiral shell Pit, screw rod are connect with internal thread hole, and the second collet can be driven mobile when screw rod rotation.

9. frame winch according to claim 8, which is characterized in that second collet includes being slideably positioned in guide cylinder Traveller, and be rotatably arranged on the pinnacle of slide bar outboard end；Traveller and guide cylinder are keyed, and the internal thread hole is provided with On traveller.

10. frame winch according to claim 8, which is characterized in that first collet includes round plate, is arranged in disk The ogival and shaft at portion center；Shaft is rotatablely connected with corresponding connection frame；Clamping component is turned to main cage When replacing position, round plate support is in drum bottom.