阅读说明：本技术 一种避免缠绕不均匀导致断裂的玻璃钢匀速缠绕机构 (Avoid winding inhomogeneous glass steel winding mechanism at uniform velocity that leads to fracture ) 是由 林汉武 于 2020-10-30 设计创作，主要内容包括：本发明涉及玻璃钢技术领域,且公开了一种避免缠绕不均匀导致断裂的玻璃钢匀速缠绕机构,包括自锁盘,其特征在于：所述自锁盘的内部活动连接有转轴,该避免缠绕不均匀导致断裂的玻璃钢匀速缠绕机构,通过变阻机构和触块的配合使用,当缠绕设备转动速度过快时,自动提高电阻,降低转动速度,当缠绕设备转动速度过慢时,自动降低电阻,提高转动速度,保证缠绕过程中保持匀速的效果,避免了转速不均匀导致纤维缠绕不均匀,提高了工作效率的同时保证了玻璃钢成型质量；通过限位机构和触发机构的配合使用,当缠绕设备突然发生失速时,会自动进行自锁,避免纤维缠绕过程中断裂,避免了经济受到损失,一定程度上缩短了成型周期。(The invention relates to the technical field of glass fiber reinforced plastics, and discloses a glass fiber reinforced plastic constant-speed winding mechanism for avoiding breakage caused by nonuniform winding, which comprises a self-locking disc and is characterized in that: the rotating shaft is movably connected in the self-locking disc, the glass fiber reinforced plastic constant-speed winding mechanism capable of avoiding breakage caused by uneven winding is used in a matching mode of the resistance-changing mechanism and the contact block, when the rotating speed of winding equipment is too high, resistance is automatically improved, the rotating speed is reduced, when the rotating speed of the winding equipment is too low, resistance is automatically reduced, the rotating speed is improved, the effect of maintaining constant speed in the winding process is guaranteed, uneven fiber winding caused by uneven rotating speed is avoided, the working efficiency is improved, and the glass fiber reinforced plastic forming quality is guaranteed; through stop gear and trigger mechanism's cooperation use, when winding equipment takes place the stall suddenly, can carry out the auto-lock automatically, avoid the fibre winding in-process fracture, avoided economy to receive the loss, shortened the shaping cycle to a certain extent.)

1. The utility model provides an avoid winding inhomogeneous cracked glass steel winding mechanism at uniform velocity that leads to, includes from lock dish (1), its characterized in that: the self-locking disc is characterized in that a rotating shaft (2) is movably connected inside the self-locking disc (1), a trigger mechanism (3) is arranged on the front side of the rotating shaft (2), a limiting mechanism (4) is arranged on the front side of the rotating shaft (2), a clamping block (5) is movably connected on the front side of the limiting mechanism (4), a supporting rod (6) is movably connected on the front side of the rotating shaft (2), a connecting rod (7) is hinged to one end, away from the rotating shaft (2), of the supporting rod (6), a contact block (8) is movably connected to one end, away from the supporting rod (6), of the connecting rod (7), the back side of the contact block (8) is movably connected with a rheostatic mechanism (9), and a device ring (10;

the trigger mechanism (3) comprises an electromagnetic box (31), a limit spring (32) is fixedly connected inside the electromagnetic box (31), a movable contact I (33) is fixedly connected to the side surface of the limit spring (32), and a fixed contact I (34) is arranged inside the electromagnetic box (31);

the limiting mechanism (4) comprises a packaging shell (41), a second movable contact (43) is movably connected inside the packaging shell (41), a second fixed contact (42) is arranged inside the packaging shell (41), and an electrorheological body (44) is arranged inside the packaging shell (41);

the resistance-changing mechanism (9) comprises a device shell (91), a resistance wire (92) is arranged inside the device shell (91), and a binding post (93) is arranged at the top of the resistance wire (92).

2. The glass fiber reinforced plastic constant-speed winding mechanism for avoiding breakage caused by uneven winding according to claim 1, is characterized in that: trigger mechanism (3) are provided with four groups to the centre of a circle of pivot (2) is symmetric position evenly distributed as the center, and inside specification and structure are all the same, fixed contact (34) set up on the movement track of movable contact (33), fixed contact (34) and movable contact (33) all are provided with the electric current and pass through, and movable contact (33) set up to the electro-magnet, and fixed contact (34) set up to the electrically conductive material that can be attracted by the magnetic pole.

3. The glass fiber reinforced plastic constant-speed winding mechanism for avoiding breakage caused by uneven winding according to claim 1, is characterized in that: limiting mechanism (4) are provided with four groups to the centre of a circle of pivot (2) is symmetric position evenly distributed as the center, and inside specification and structure homogeneous phase, fixture block (5) are provided with four, are symmetric position and distribute as the center with the centre of a circle of pivot (2), and four fixture blocks (5) are corresponding with four limiting mechanism (4) of group, and movable contact two (43) and the fixture block (5) fixed connection that correspond that include in the same group of limiting mechanism (4).

4. The glass fiber reinforced plastic constant-speed winding mechanism for avoiding breakage caused by uneven winding according to claim 1, is characterized in that: the shape of the self-locking disc (1) is a nearly circular polygon, a groove is formed in the self-locking disc, the shape of the fixture block (5) is convex, and the shape of the inner side groove of the self-locking disc (1) is matched with the shape of the fixture block (5); the main materials of the electrorheological fluid (44) are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid (44) is in a solid state in a power-on state and in a liquid state in a non-power-on state.

5. The glass fiber reinforced plastic constant-speed winding mechanism for avoiding breakage caused by uneven winding according to claim 1, is characterized in that: the self-clamping block (5) is made of a magnetic material and always displays an N pole, the electromagnetic box (31) displays the N pole in a power-on state and does not display a polarity in a non-power-on state, the electromagnetic box (31) is respectively and electrically connected with the first movable contact (33) and the first fixed contact (34), and the second movable contact (43) and the second fixed contact (42) are respectively and electrically connected with the first movable contact (33) and the first fixed contact (34); the movable contact II (43) and the fixed contact II (42) are respectively electrically connected with the electrorheological fluid (44).

6. The glass fiber reinforced plastic constant-speed winding mechanism for avoiding breakage caused by uneven winding according to claim 1, is characterized in that: the resistance-changing mechanism (9) is provided with four groups, the internal structure and the specification of the resistance-changing mechanism are the same, the circle center of the device ring (10) is used as the center and is uniformly distributed at the symmetrical position, the support rods (6) and the connecting rods (7) are respectively provided with four groups, the four groups of resistance-changing mechanisms (9) correspond to the four groups of support rods (6) and the connecting rods (7), and the device ring (10) is connected with the rotating shaft (2) through the support rods (6) and the connecting rods (7).

7. The glass fiber reinforced plastic constant-speed winding mechanism for avoiding breakage caused by uneven winding according to claim 1, is characterized in that: the rotating shaft (2) is driven by a driving motor, the output end of the driving motor is fixedly connected with the rotating shaft (2), and the circle centers of the self-locking disc (1), the rotating shaft (2) and the device ring (10) are on the same straight line; resistance wire (92) evenly sets up in the inside of device shell (91), and the material is nichrome, and the material of touch multitouch (8) is electrically conductive material, terminal (93) are provided with two sections, set up respectively in the left and right sides at resistance wire (92) top, and driving motor is connected with two sections terminals (93) electricity.

Technical Field

The invention relates to the technical field of glass fiber reinforced plastics, in particular to a glass fiber reinforced plastic constant-speed winding mechanism capable of avoiding breakage caused by nonuniform winding.

Background

Glass fiber reinforced plastic, which is fiber reinforced plastic, generally refers to a glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin matrix, the reinforced plastic using glass fiber or its product as reinforcing material has the advantages of high corrosion resistance, high heat performance, light weight, high strength, etc., therefore, the method is widely applied to buildings and industries, more than 90 percent of glass fiber reinforced plastic forming methods are produced by a hand pasting method, because of low mechanization degree, long production period and unstable quality, the fiber winding forming method and equipment are gradually introduced from abroad, and the glass fiber reinforced plastic winding forming equipment is used, the uneven fiber winding caused by the uneven rotating speed of the winding device can greatly affect the forming quality of the glass fiber reinforced plastic, reduce the working efficiency, and also cause the fiber breakage caused by the sudden stall of the winding device, thereby causing economic loss to a certain extent.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the constant-speed winding mechanism for the glass fiber reinforced plastic, which can avoid breakage caused by uneven winding, has the advantage of ensuring that the constant speed is kept in the fiber winding process, and solves the problems that the forming quality is influenced, the working efficiency is reduced and the economic loss is caused due to uneven winding of the fiber.

(II) technical scheme

In order to achieve the purpose of ensuring the constant speed in the fiber winding process, the invention provides the following technical scheme: the utility model provides an avoid winding inhomogeneous cracked glass steel winding mechanism at uniform velocity that leads to, includes from the locking disc, its characterized in that: the self-locking disc is characterized in that a rotating shaft is movably connected inside the self-locking disc, a trigger mechanism is arranged on the front side of the rotating shaft, a limiting mechanism is arranged on the front side of the rotating shaft, a clamping block is movably connected on the front side of the limiting mechanism, a supporting rod is movably connected on the front side of the rotating shaft, a connecting rod is hinged to one end, far away from the rotating shaft, of the supporting rod, a contact block is movably connected to one end, far away from the supporting rod, of the connecting rod, the back side of the contact block is movably connected with a resistance;

the trigger mechanism comprises an electromagnetic box, a limit spring is fixedly connected inside the electromagnetic box, a movable contact I is fixedly connected to the side surface of the limit spring, and a fixed contact I is arranged inside the electromagnetic box;

the limiting mechanism comprises a packaging shell, a movable contact II is movably connected inside the packaging shell, a fixed contact II is arranged inside the packaging shell, and an electrorheological fluid is arranged inside the packaging shell;

the resistance-changing mechanism comprises a device shell, wherein a resistance wire is arranged inside the device shell, and a binding post is arranged at the top of the resistance wire.

Preferably, the trigger mechanism is provided with four groups, the four groups are symmetrically and uniformly distributed by taking the circle center of the rotating shaft as the center, the internal specifications and the internal structures are the same, the first fixed contact is arranged on the motion track of the first movable contact, the first fixed contact and the first movable contact are both provided with currents to pass through, the first movable contact is arranged to be an electromagnet, and the first fixed contact is arranged to be a conductive material capable of being attracted by a magnetic pole.

Preferably, the limiting mechanisms are provided with four groups, the centers of the circles of the rotating shafts are used as centers and are symmetrically and uniformly distributed, the internal specifications and the structures of the four clamping blocks are the same, the centers of the circles of the rotating shafts are used as centers and are symmetrically distributed, the four clamping blocks correspond to the four groups of limiting mechanisms, and the movable contacts in the same group of limiting mechanisms are fixedly connected with the corresponding clamping blocks.

Preferably, the shape of the self-locking disc is a nearly circular polygon, a groove is formed in the self-locking disc, the shape of the fixture block is convex, and the shape of the groove in the self-locking disc is matched with the shape of the fixture block; the main materials of the electrorheological fluid are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid is solid in a power-on state and liquid in a non-power-on state.

Preferably, the self-clamping block is made of a magnetic material and always displays an N pole, the electromagnetic box displays the N pole in a power-on state and does not display polarity in a non-power-on state, the electromagnetic box is respectively and electrically connected with the first movable contact and the first fixed contact, and the second movable contact and the second fixed contact are respectively and electrically connected with the first movable contact and the first fixed contact; and the movable contact II and the fixed contact II are respectively electrically connected with the current transformer.

Preferably, the varistor mechanism is provided with four groups, the internal structures and specifications of the varistor mechanism are the same, the varistor mechanism is uniformly distributed at symmetrical positions by taking the circle center of the device ring as the center, the support rods and the connecting rods are respectively provided with four groups, the four groups of varistor mechanisms correspond to the four groups of support rods and the connecting rods, and the device ring is connected with the rotating shaft through the support rods and the connecting rods.

Preferably, the rotating shaft is driven by a driving motor, the output end of the driving motor is fixedly connected with the rotating shaft, and the circle centers of the self-locking disc, the rotating shaft and the device ring are on the same straight line; the resistance wire evenly sets up in the inside of device shell, and the material is nickel-chromium alloy, and the material of touch multitouch is electrically conductive material, the terminal is provided with two sections, sets up respectively in the left and right sides at resistance wire top, and driving motor is connected with two sections terminals electricity.

(III) advantageous effects

Compared with the prior art, the invention provides the uniform-speed winding mechanism for the glass fiber reinforced plastic, which can avoid breakage caused by uneven winding, and has the following beneficial effects:

1. this avoid winding inhomogeneous to lead to cracked glass steel winding mechanism at uniform velocity uses through the cooperation of varistor mechanism and feeler, when winding equipment slew velocity is too fast, improves the resistance automatically, reduces slew velocity, when winding equipment slew velocity is too slow, reduces resistance automatically, improves slew velocity, guarantees to twine the in-process and keeps the effect at the uniform velocity, has avoided the rotational speed inhomogeneous fibre winding inhomogeneous that leads to, has guaranteed glass steel shaping quality when having improved work efficiency.

2. This avoid winding inhomogeneous to lead to cracked glass steel winding mechanism at uniform velocity uses through stop gear and trigger mechanism's cooperation, when winding equipment takes place the stall suddenly, can carry out the auto-lock automatically, avoids the fibre winding in-process fracture, has avoided the economy to receive the loss, has shortened the shaping cycle to a certain extent.

Drawings

FIG. 1 is a schematic view showing the connection of the structures of the present invention;

FIG. 2 is a schematic diagram of the movement traces of the structures in FIG. 1 according to the present invention;

FIG. 3 is a schematic connection diagram of the resistance varying mechanism of the present invention;

FIG. 4 is a schematic view showing the connection of the trigger mechanism and the limiting mechanism;

FIG. 5 is a schematic view showing the connection of the structure of the rod, the connecting rod and the resistance varying mechanism according to the present invention;

FIG. 6 is a first schematic diagram illustrating a motion trajectory of each structure shown in FIG. 5 according to the present invention;

fig. 7 is a second schematic diagram of the motion trajectory of each structure in fig. 5 according to the present invention.

In the figure: 1. a self-locking disc; 2. a rotating shaft; 3. a trigger mechanism; 4. a limiting mechanism; 5. a clamping block; 6. a strut; 7. a connecting rod; 8. a contact block; 9. a resistance-changing mechanism; 10. a device ring; 31. an electromagnetic box; 32. a limiting spring; 33. a first movable contact; 34. a first fixed contact; 41. a package housing; 42. a second fixed contact; 43. a second movable contact; 44. an electrorheological fluid; 91. a device housing; 92. a resistance wire; 93. and (4) binding posts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a uniform winding mechanism for glass fiber reinforced plastic, which avoids breakage caused by uneven winding, includes a self-locking disc 1, a rotating shaft 2 is movably connected inside the self-locking disc 1, a trigger mechanism 3 is arranged on the front surface of the rotating shaft 2, a limit mechanism 4 is arranged on the front surface of the rotating shaft 2, a clamping block 5 is movably connected on the front surface of the limit mechanism 4, the self-locking disc 1 is shaped like a nearly circular polygon and is provided with a groove inside, the clamping block 5 is convex, the shape of the inner side groove of the self-locking disc 1 is matched with the shape of the clamping block 5, a supporting rod 6 is movably connected on the front surface of the rotating shaft 2, a connecting rod 7 is hinged on one end of the supporting rod 6, a contact block 8 is movably connected on one end of the connecting rod 7 away from the supporting rod 6, a resistance varying mechanism;

the trigger mechanism 3 comprises an electromagnetic box 31, a limit spring 32 is fixedly connected inside the electromagnetic box 31, a movable contact I33 is fixedly connected to the side surface of the limit spring 32, and a fixed contact I34 is arranged inside the electromagnetic box 31; the trigger mechanism 3 is provided with four groups, the four groups are uniformly distributed at symmetrical positions by taking the circle center of the rotating shaft 2 as the center, the internal specifications and the structures are the same, the first fixed contact 34 is arranged on the motion track of the first movable contact 33, the first fixed contact 34 and the first movable contact 33 are both provided with currents to pass through, the first movable contact 33 is arranged as an electromagnet, and the first fixed contact 34 is arranged as a conductive material capable of being attracted by a magnetic pole; the self-clamping block 5 is made of a magnetic material and always displays an N pole, the electromagnetic box 31 displays the N pole in a power-on state and does not display a polarity in a non-power-on state, the electromagnetic box 31 is respectively and electrically connected with the first movable contact 33 and the first fixed contact 34, and the second movable contact 43 and the second fixed contact 42 are respectively and electrically connected with the first movable contact 33 and the first fixed contact 34; the second movable contact 43 and the second fixed contact 42 are respectively electrically connected with the electrorheological fluid 44;

the limiting mechanism 4 comprises a packaging shell 41, a movable contact II 43 is movably connected inside the packaging shell 41, a fixed contact II 42 is arranged inside the packaging shell 41, and an electrorheological fluid 44 is arranged inside the packaging shell 41; the four limiting mechanisms 4 are provided with four groups, are symmetrically distributed by taking the circle center of the rotating shaft 2 as the center, have the same internal specification and structure, the four clamping blocks 5 are symmetrically distributed by taking the circle center of the rotating shaft 2 as the center, the four clamping blocks 5 correspond to the four groups of limiting mechanisms 4, and the movable contact II 43 in the same group of limiting mechanisms 4 is fixedly connected with the corresponding clamping block 5; the main materials of the current variant 44 are gypsum, lime, carbon powder and olive oil, and the current variant 44 is solid in a power-on state and liquid in a non-power-on state;

the resistance-changing mechanism 9 comprises a device shell 91, a resistance wire 92 is arranged in the device shell 91, a binding post 93 is arranged at the top of the resistance wire 92, four groups of resistance-changing mechanisms 9 are arranged, the internal structures and specifications are the same, the resistance-changing mechanisms are uniformly distributed at symmetrical positions by taking the circle center of a device ring 10 as the center, four groups of support rods 6 and four groups of connecting rods 7 are respectively arranged, the four groups of resistance-changing mechanisms 9 correspond to the four groups of support rods 6 and the four groups of connecting rods 7, and the device ring 10 is connected with the rotating shaft 2 through the support rods; the rotating shaft 2 is driven by a driving motor, the output end of the driving motor is fixedly connected with the rotating shaft 2, and the circle centers of the self-locking disc 1, the rotating shaft 2 and the device ring 10 are on the same straight line; resistance wire 92 evenly sets up in the inside of device shell 91, and the material is nickel-chromium alloy, and the material of touch multitouch 8 is electrically conductive material, and terminal 93 is provided with two sections, sets up respectively in the left and right sides at resistance wire 92 top, and driving motor is connected with two sections terminals 93 electricity.

When the winding device is used, the rotating shaft 2 is driven by the driving motor, the output end of the driving motor is fixedly connected with the rotating shaft 2, the rotating shaft 2 starts to rotate at the moment, when the rotating speed of the rotating shaft 2 is normal, and within a rated rotating speed range, because the four groups of the supporting rods 6 and the four groups of the connecting rods 7 are respectively arranged, the four groups of the variable resistance mechanisms 9 correspond to the four groups of the supporting rods 6 and the four groups of the connecting rods 7, the device ring 10 is connected with the rotating shaft 2 through the supporting rods 6 and the connecting rods 7, the centrifugal force is small at the moment, the supporting rods 6 and the connecting rods 7 cannot rotate, namely the positions of the contact blocks 8 are not changed, the resistance of the driving;

please refer to fig. 1 for the above process;

when the rotating speed of the driving motor is accelerated and exceeds the rated rotating speed range, because the circle centers of the self-locking disc 1, the rotating shaft 2 and the device ring 10 are on the same straight line, the rotating speed of the rotating shaft 2 is accelerated in the same way, at the moment, the rotating speed of the device ring 10 is accelerated, and due to the action of centrifugal force, the support rod 6 and the connecting rod 7 rotate, so that the contact block 8 starts to move towards the direction far away from the binding post 93, because the rheostatic mechanism 9 is provided with four groups, the internal structures and specifications are the same, the resistance wires 92 are uniformly arranged inside the device shell 91 and are made of nichrome, the contact block 8 is made of conductive material, the binding post 93 is provided with two sections which are respectively arranged at the left side and the right side of the top of the resistance wire 92, the driving motor is electrically connected with the two sections 93 of the binding post, at the moment, the resistance of, thereby recovering to the rated rotating speed range, and at the moment, the rotating speed of the winding device is normal, and the winding work is carried out;

please refer to fig. 5 and 7 for the above process;

when the rotating speed of the driving motor is reduced and is lower than the rated rotating speed range, the rotating speed of the rotating shaft 2 is reduced, the rotating speed of the device ring 10 is reduced, the supporting rod 6 and the connecting rod 7 rotate in opposite directions under the inertia effect, so that the contact block 8 starts to move towards the direction close to the binding post 93, the resistance of the driving motor is reduced at the moment, the rotating speed of the rotating shaft 2 is increased, the rotating speed is restored to the rated rotating speed range, and the rotating speed of the winding device is normal at the moment to perform winding work;

please refer to fig. 5 and 6 for the above process;

when the rotating speed of the rotating shaft 2 is normal and within the range of rated rotating speed, the centrifugal force applied to the first movable contact 33 and the limiting spring 32 is small, so that the first movable contact 33 is not enough to be contacted with the first fixed contact 34, the circuit is not switched on at the moment, the electromagnetic box 31 electrically connected with the first movable contact is not magnetic, the fixture block 5 does not move under the influence of homopolar repulsion, namely is not contacted with the self-locking disc 1, the normal operation of the rotating shaft 2 is not influenced at the moment, and the winder normally performs uniform winding work;

when the rotating shaft 2 suddenly accelerates to cause stall, because the four groups of triggering mechanisms 3 are uniformly distributed at symmetrical positions by taking the circle center of the rotating shaft 2 as the center, and the internal specification and structure are the same, the first fixed contact 34 is arranged on the motion track of the first movable contact 33, the first fixed contact 34 and the first movable contact 33 are both provided with current passing, the first movable contact 33 is provided with an electromagnet, the first fixed contact 34 is provided with a conductive material capable of being attracted by a magnetic pole, the limiting mechanism 4 is provided with four groups, the two clamping blocks 5 are uniformly distributed at symmetrical positions by taking the circle center of the rotating shaft 2 as the center, the internal specifications and the internal structures are the same, the four fixture blocks 5 are distributed symmetrically by taking the circle center of the rotating shaft 2 as the center, the four fixture blocks 5 correspond to the four groups of limiting mechanisms 4, and movable contacts II 43 included in the same group of limiting mechanisms 4 are fixedly connected with the corresponding fixture blocks 5;

the self-locking block 5 is made of a magnetic material and always displays an N pole, the electromagnetic box 31 displays the N pole in a power-on state and does not display a polarity in a non-power-on state, the electromagnetic box 31 is respectively and electrically connected with the first movable contact 33 and the first fixed contact 34, the first movable contact 33 is in contact with the first fixed contact 34 under the action of centrifugal force, the electromagnetic box 31 is powered on at the moment, the self-locking block 5 is pushed towards the direction close to the self-locking disc 1, the self-locking disc 1 is in a shape of a nearly circular polygon and provided with a groove inside, the self-locking block 5 is in a convex shape, the shape of the inner side groove of the self-locking disc 1 is matched with the shape of the self-locking block 5, the self-locking disc 1 limits the movement of;

meanwhile, since the second movable contact 43 and the second fixed contact 42 are electrically connected with the first movable contact 33 and the first fixed contact 34, respectively; the second movable contact 43 and the second fixed contact 42 are respectively electrically connected with the electrorheological fluid 44; the main materials of the current variant 44 are gypsum, lime, carbon powder and olive oil, the current variant 44 is in a solid state in a power-on state and in a liquid state in a non-power-on state, at the moment, the packaging shell 41 is powered on, the current variant 44 is in a solid state, the movement of the movable contact II 43 is limited, and the self-locking stability is ensured;

the above process is shown in fig. 2 and 4.

In conclusion, the constant-speed winding mechanism for glass fiber reinforced plastics, which avoids breakage caused by uneven winding, automatically increases resistance and decreases rotation speed when the rotation speed of winding equipment is too high through the matching use of the resistance-changing mechanism 9 and the contact block 8, automatically decreases resistance and increases rotation speed when the rotation speed of the winding equipment is too low, so that the constant-speed effect is kept in the winding process, uneven fiber winding caused by uneven rotation speed is avoided, the working efficiency is improved, and the glass fiber reinforced plastics forming quality is ensured; through stop gear 4 and trigger mechanism 3's cooperation use, when winding equipment takes place the stall suddenly, can carry out the auto-lock automatically, avoid fibre winding in-process fracture, avoided economy to receive the loss, shortened the shaping cycle to a certain extent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.