Wire take-up device
Technical Field
The invention belongs to the field of electric wire take-up and pay-off tools, and particularly relates to a take-up device.
Background
The maintenance of power supply enterprise equipment uses a large amount of electric wires, and some electric wires are thinner, need the unwrapping wire when drawing from the warehouse, use remaining then need the storage personnel to receive the line after accomplishing to avoid extravagant.
Chinese patent No. CN207209583U, granted on publication No. 20180410, discloses a "wire take-up device"; the wire winding device comprises a winding coil and a winding device shell, wherein a supporting plate is welded at the position of the horizontal central line in the winding device shell, a clamping groove is formed in the position of a port at the top of the supporting plate, a one-way motor is arranged at the top of the supporting plate, one side of the one-way motor is connected with a rotating shaft, a T-shaped sliding groove is formed in the outer portion of the rotating shaft at an equal angle, the T-shaped sliding groove is connected with the winding coil through a T-shaped sliding block, and a wire clip is fixed on the; the wire winding device adopts the one-way motor to wind wires, and has the advantage of high wire winding efficiency, but when the wires to be wound are clamped, the one-way motor continues to work, so that the wires are easy to break; the invention is easy to break the electric wire.
Disclosure of Invention
The invention aims to overcome the defect that the wire is easy to break in the prior art, and provides a wire take-up device for preventing the wire from breaking.
In order to achieve the purpose, the invention adopts the following technical scheme:
a take-up device comprises a base, a rotating shaft and a winding roller sleeved on the rotating shaft, wherein the rotating shaft is hinged on the base, one end of the rotating shaft close to the base is fixedly connected with a driven gear, the driven gear is coaxial with the rotating shaft, one side of the driven gear is provided with a driving gear meshed with the driven gear, the driving gear is connected with a motor, the base is provided with a force unloading block, the motor is fixedly connected on the force unloading block, one side of the force unloading block close to the base is provided with a guide block, the base is provided with a guide rail at a position corresponding to the guide block, the guide block is in sliding connection with the guide rail, the guide rail is provided with an elastic device, one end of the elastic device is connected at one end of the guide rail, the other end of the elastic device is connected on the guide block, the other side of the driven gear is meshed with a, the friction disc opposite side is equipped with regulating spring and regulating plate, regulating spring is located between regulating plate and the friction disc, regulating spring one end is connected on the regulating plate, the regulating spring other end is connected on the friction disc, be equipped with the regulation pole on the base, it is connected with the regulating plate to adjust the pole after passing the base, threaded connection has adjusting nut on the regulation pole, the base is located between adjusting nut and the regulating plate, be equipped with on the base and wave the handle, wave the handle and friction disc rigid coupling after passing base and gear.
When the wire is wound, the motor drives the driving gear to rotate, the elastic device applies elastic force to the driving gear, so that the driving gear and the driven gear are kept in a meshed state, the driving gear drives the driven gear to rotate, the driven gear drives the rotating shaft to rotate, the rotating shaft drives the winding roller on the rotating shaft to rotate, and the electric wire starts to be wound on the winding roller; when the electric wire to be received is clamped due to an accident, the winding roller stops rotating, so that the driven gear stops rotating, the motor continues to operate at the moment, the driving gear applies larger tangential force to the driven gear, when the elastic force provided by the elastic device is not enough to resist the reaction of the driven gear on the driving gear, the driving gear moves on the guide rail, the driving gear is separated from the driven gear, only the elastic force applied by the elastic device exists on the driving gear after separation, the driving gear moves towards the driven gear, the driving gear and the driven gear recover to an engaged state, and finally, the driving gear and the driven gear are repeatedly switched between the engaged state and the separated state, so that the force output to the driven gear by the motor is limited to a certain degree under the condition that the electric wire is clamped, and the electric wire is protected from being damaged; when no power-on condition exists on site, the rocking handle can be rocked, the rocking handle drives the friction plate to rotate, friction force exists between the friction plate and the gear due to the fact that the friction force is applied to the friction plate by the adjusting spring, the gear rotates under the driving of the friction force, the gear drives the driven gear to rotate, and therefore the winding roller starts to take up wires; the adjusting nut is rotated to enable the adjusting rod to move, the adjusting rod drives the adjusting plate to move, the adjusting plate enables the spring to stretch, when the spring is compressed, the pressure between the friction plate and the gear is increased, the maximum friction force is increased, and vice versa; the invention can be used under the condition of no power supply, thereby increasing the universality of the invention.
As preferred, the guide rail includes the recess, one side that the recess inside wall is close to the power of unloading piece is equipped with spacing lug, the guide block include with the lug of guide rail adaptation, the lug is located the recess, elastic device includes spring and electric telescopic handle, spring and electric telescopic handle all are located the recess, spring one end is connected with the lug, the spring other end is connected with electric telescopic handle, the electric telescopic handle other end is connected with the one end that the recess corresponds.
When the electric wire is clamped, the elastic force provided by the spring is not enough to resist the reaction of the driven gear on the driving gear, the driving gear moves on the guide rail, at the moment, the spring stretches repeatedly, at the moment, the limiting lug can ensure that the spring and the electric telescopic rod are positioned in the groove, the electric telescopic rod is additionally arranged, the compression amount of the spring in the initial state can be controlled, the spring provides the elastic force with different sizes in the initial state, the larger the elastic force provided by the spring is, the more the driving gear is not easy to separate from the driven gear, when the electric wire is clamped, the larger the tensile force borne by the electric wire is, and vice versa.
Preferably, the tangential direction of the meshing point of the driven gear and the driving gear is consistent with the direction of the groove.
When the spring bearing is operated, the direction of the reaction force of the driven gear to the driving gear is the tangential direction of the meshing point of the driven gear and the driving gear, and the tangential direction of the meshing point of the driven gear and the driving gear is consistent with the direction of the groove, so that the stress of the spring in the groove is more reasonable.
Preferably, a pot head that the base is close to in the pivot is equipped with left frustum, a pot head that the base was kept away from in the pivot is equipped with right frustum, the wire winding roller is located between left frustum and the right frustum, the wire winding roller supports and leans on left frustum and right frustum, the cover is equipped with the fixation nut who is used for fixed wire winding roller in the pivot, fixation nut is located one side that left frustum was kept away from to right frustum, fixation nut and pivot threaded connection.
When the winding machine is used for winding, the winding roller is sleeved in the rotating shaft, then the winding roller is sleeved in the right frustum, finally the rotating shaft is mounted on the fixing nut, the fixing nut extrudes the right frustum, and finally the winding roller is fixed on the rotating shaft, otherwise, after the winding is finished, the fixing nut, the right frustum and the winding roller are sequentially removed.
The invention has the beneficial effects that: (1) when the elastic force provided by the elastic device is not enough to resist the reaction of the driven gear on the driving gear, the driving gear moves on the guide rail, the driving gear is separated from the driven gear, only the elastic force applied by the elastic device exists on the separated driving gear, at the moment, the driving gear moves towards the direction of the driven gear, the driving gear and the driven gear are restored to the meshing state, and finally, the driving gear and the driven gear are repeatedly switched between the meshing state and the separating state, so that the force output by the motor to the driven gear is limited to a certain degree under the condition that the electric wire is clamped, and the electric wire is protected from being damaged; by shaking the handle, the invention can be used without power on, thus increasing the universality of the invention. (2) The limiting bump can ensure that the spring and the electric telescopic rod are positioned in the groove, the electric telescopic rod is additionally arranged, the compression amount of the spring in the initial state can be controlled, so that the spring provides elastic force with different sizes in the initial state, the larger the elastic force provided by the spring is, the more difficult the driving gear is to be separated from the driven gear, and the larger the pulling force borne by the electric wire is when the electric wire is clamped, and vice versa; (3) when the winding machine is used for winding, the winding roller is sleeved in the rotating shaft, then the winding roller is sleeved in the right frustum, finally the rotating shaft is mounted on the fixing nut, the fixing nut extrudes the right frustum, and finally the winding roller is fixed on the rotating shaft, otherwise, after the winding is finished, the fixing nut, the right frustum and the winding roller are sequentially removed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of a driving gear, a driven gear, a guide rail and an elastic device;
fig. 4 is a partial enlarged view at B in fig. 1.
In the figure: the winding device comprises a base 1, a rotating shaft 2, a driven gear 3, a winding roller 5, a driving gear 6, a force unloading block 7, a convex block 8, an electric telescopic rod 10, a left frustum 11, a right frustum 12, a fixing nut 13, a groove 14, a limiting convex block 15, a gear 16, a friction plate 17, an adjusting spring 18, an adjusting plate 19, an adjusting rod 20, an adjusting nut 21 and a rocking handle 22.
Detailed Description
The invention is explained in further detail below with reference to the figures and the detailed description:
fig. 1, fig. 2, fig. 3 and fig. 4 are a take-up device, which includes a base 1, a rotating shaft 2 and a winding roller 5 sleeved on the rotating shaft 2, wherein the rotating shaft 2 is hinged on the base 1, and is characterized in that one end of the rotating shaft 2 close to the base 1 is fixedly connected with a driven gear 3, the driven gear 3 is coaxial with the rotating shaft 2, one side of the driven gear 3 is provided with a driving gear 6 meshed with the driven gear 3, the driving gear 6 is connected with a motor, the base 1 is provided with a force unloading block 7, the motor is fixedly connected on the force unloading block 7, one side of the force unloading block 7 close to the base 1 is provided with a guide block, the base 1 is provided with a guide rail at a position corresponding to the guide block, the guide block is slidably connected with the guide rail, an elastic device is arranged on the guide rail, one end of the elastic device is connected at one end of the guide rail, the, gear 16 one side is supported and is leaned on base 1, gear 16 opposite side is equipped with friction disc 17, friction disc 17 one side is supported and is leaned on gear 16, friction disc 17 opposite side is equipped with regulating spring 18 and regulating plate 19, regulating spring 18 is located between regulating plate 19 and friction disc 17, regulating spring 18 one end is connected on regulating plate 19, the regulating spring 18 other end is connected on friction disc 17, be equipped with on base 1 and adjust pole 20, it is connected with regulating plate 19 to adjust pole 20 after passing base 1, threaded connection has adjusting nut 21 on adjusting pole 20, base 1 is located between adjusting nut 21 and the regulating plate 19, be equipped with on base 1 and wave handle 22, wave handle 22 and friction disc 17 rigid coupling after passing base 1 and gear 16.
When the wire is wound, the motor drives the driving gear to rotate, the elastic device applies elastic force to the driving gear, so that the driving gear and the driven gear are kept in a meshed state, the driving gear drives the driven gear to rotate, the driven gear drives the rotating shaft to rotate, the rotating shaft drives the winding roller on the rotating shaft to rotate, and the electric wire starts to be wound on the winding roller; when the electric wire to be received is clamped due to an accident, the winding roller stops rotating, so that the driven gear stops rotating, the motor continues to operate at the moment, the driving gear applies larger tangential force to the driven gear, when the elastic force provided by the elastic device is not enough to resist the reaction of the driven gear on the driving gear, the driving gear moves on the guide rail, the driving gear is separated from the driven gear, only the elastic force applied by the elastic device exists on the driving gear after separation, the driving gear moves towards the driven gear, the driving gear and the driven gear recover to an engaged state, and finally, the driving gear and the driven gear are repeatedly switched between the engaged state and the separated state, so that the force output to the driven gear by the motor is limited to a certain degree under the condition that the electric wire is clamped, and the electric wire is protected from being damaged; when no power-on condition exists on site, the rocking handle can be rocked, the rocking handle drives the friction plate to rotate, friction force exists between the friction plate and the gear due to the fact that the friction force is applied to the friction plate by the adjusting spring, the gear rotates under the driving of the friction force, the gear drives the driven gear to rotate, and therefore the winding roller starts to take up wires; the adjusting nut is rotated to enable the adjusting rod to move, the adjusting rod drives the adjusting plate to move, the adjusting plate enables the spring to stretch, when the spring is compressed, the pressure between the friction plate and the gear is increased, the maximum friction force is increased, and vice versa; the invention can be used under the condition of no power supply, thereby increasing the universality of the invention.
Fig. 2 and 3 show that the guide rail includes recess 14, one side that the recess 14 inside wall is close to unload power piece 7 is equipped with spacing lug 15, the guide block includes lug 8 with the guide rail adaptation, lug 8 is located recess 14, elastic device includes spring and electric telescopic handle 10, spring and electric telescopic handle 10 all are located recess 14, spring one end is connected with lug 8, the spring other end is connected with electric telescopic handle 10, the electric telescopic handle 10 other end is connected with the one end that recess 14 corresponds.
When the electric wire is clamped, the elastic force provided by the spring is not enough to resist the reaction of the driven gear on the driving gear, the driving gear moves on the guide rail, at the moment, the spring stretches repeatedly, at the moment, the limiting lug can ensure that the spring and the electric telescopic rod are positioned in the groove, the electric telescopic rod is additionally arranged, the compression amount of the spring in the initial state can be controlled, the spring provides the elastic force with different sizes in the initial state, the larger the elastic force provided by the spring is, the more the driving gear is not easy to separate from the driven gear, when the electric wire is clamped, the larger the tensile force borne by the electric wire is, and vice versa.
Fig. 3 shows that the tangential direction of the meshing point of the driven gear 3 and the driving gear 6 is consistent with the direction of the groove 14.
When the spring bearing is operated, the direction of the reaction force of the driven gear to the driving gear is the tangential direction of the meshing point of the driven gear and the driving gear, and the tangential direction of the meshing point of the driven gear and the driving gear is consistent with the direction of the groove, so that the stress of the spring in the groove is more reasonable.
Fig. 1 shows that pivot 2 is close to the pot head of base 1 and is equipped with left frustum 11, the pot head that base 1 was kept away from in pivot 2 is equipped with right frustum 12, wire winding roller 5 is located between left frustum 11 and the right frustum 12, wire winding roller 5 supports and leans on left frustum 11 and right frustum 12, the cover is equipped with fixation nut 13 that is used for fixed wire winding roller 5 in pivot 2, fixation nut 13 is located one side that left frustum 11 was kept away from to right frustum 12, fixation nut 13 and 2 threaded connection in pivot.
When the winding machine is used for winding, the winding roller is sleeved in the rotating shaft, then the winding roller is sleeved in the right frustum, finally the rotating shaft is mounted on the fixing nut, the fixing nut extrudes the right frustum, and finally the winding roller is fixed on the rotating shaft, otherwise, after the winding is finished, the fixing nut, the right frustum and the winding roller are sequentially removed.