CN213505419U

CN213505419U - Overload alarm separation protection system of winching

Info

Publication number: CN213505419U
Application number: CN202022403647.2U
Authority: CN
Inventors: 卿佐平
Original assignee: Jiangsu Maolin Power Technology Co ltd
Current assignee: Jiangsu Maolin Power Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-22
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to a hank grinds technical field, and an overload warning separation protection system of hank grinds is disclosed, which comprises a supporting rack, the fixed reel that is provided with in upper end one side of support frame, gearbox and driving motor, connect through drive assembly between driving motor and the gearbox, be provided with first connecting axle on the reel, the last second connecting axle that is provided with of drive assembly, the one end of first connecting axle and second connecting axle all stretches into in the gearbox, first connecting axle is located the one end fixedly connected with fixed plate of gearbox, the one end fixedly connected with friction backing plate of second connecting axle in being located the gearbox, the surface outside of fixed plate has evenly been seted up a plurality of jacks and the interior activity of jack and has been inserted and be equipped with the dead lever, the same friction disk of keeping out in friction backing plate one side of one end fixedly connected. The utility model discloses have fine alarming function, and can the automatic cutout power supply, the protection hank grinds and avoids causing the damage because of transshipping, has guaranteed the life of hank mill.

Description

Overload alarm separation protection system of winching

Technical Field

The utility model relates to a hank grinds technical field, especially relates to an overload warning separation protection system of hank mill.

Background

The motor-driven winching machine is a construction machine for erecting aerial high-voltage transmission lines and laying underground cables, and can smoothly and conveniently carry out hoisting and traction on erecting iron towers, erecting guide (ground) lines and the like under various complex conditions. The motor-driven grinding mill is divided into a diesel motor-driven grinding mill and a gasoline motor-driven grinding mill, and is also divided into a hand-lift grinding mill and a belt wheel grinding mill.

The load of the grinder is limited, the motor can be seriously damaged when the grinder is overloaded, great economic loss is caused, and the overload damage of the grinder is easily caused because the existing grinder lacks an overload alarm mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the overload damage of the grinder is easily caused because the grinder in the prior art lacks an overload alarm mechanism, and providing an overload alarm separation protection system of the grinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an overload alarm separation protection system of a winching mill comprises a support frame, wherein a winding drum, a gearbox and a driving motor are fixedly arranged on one side of the upper end of the support frame, the driving motor and the gearbox are connected through a transmission assembly, a first connecting shaft is arranged on the winding drum, a second connecting shaft is arranged on the transmission assembly, one ends of the first connecting shaft and the second connecting shaft extend into the gearbox, one end of the first connecting shaft, which is positioned in the gearbox, is fixedly connected with a fixed plate, one end of the second connecting shaft, which is positioned in the gearbox, is fixedly connected with a friction backing plate, a plurality of jacks are uniformly arranged on the outer side of the surface of the fixed plate, fixing rods are movably inserted in the jacks, one end of each fixing rod is fixedly connected with a friction disc abutting against one side of the friction backing plate, and the other end of each fixing rod is fixedly connected with a push-pull, the friction plate is characterized in that an external thread is formed in the outer wall of one end of the first connecting shaft, a pushing barrel is in threaded connection with the outer wall of one end of the first connecting shaft, a pushing ring plate sleeved outside the first connecting shaft is fixedly connected to the outer wall of one end of the pushing barrel, a disc spring is arranged between the pushing ring plate and a push-pull ring plate, an alarm switch and a power switch are arranged on the outer wall of the friction plate, an L-shaped locating plate is fixedly arranged on the outer wall of the friction disc, a pressing plate which is obliquely arranged is fixedly connected to the side wall of the L-shaped locating plate, and.

Preferably, a plurality of jacks are symmetrically formed in the wall of the pushing screw cylinder, clamping insertion rods are movably inserted in the jacks, a plurality of clamping slots correspondingly inserted with the clamping insertion rods are uniformly formed in the outer wall of the first connecting shaft, a reset pull plate is fixedly connected to one end of each clamping insertion rod, and a clamping spring sleeved outside each clamping insertion rod is fixedly connected to one opposite side of each reset pull plate and one opposite side of each pushing screw cylinder.

Preferably, the output end of the alarm switch is electrically connected with the input end of the alarm.

Preferably, the output end of the power switch is electrically connected with the input end of the driving motor.

Preferably, the surface of the support frame is provided with a plurality of fixing screw holes.

Compared with the prior art, the utility model provides an overload warning separation protection system of hank mill possesses following beneficial effect:

1. the overload alarm separation protection system of the winching mill comprises a friction base plate and a friction disc, wherein the friction base plate and the friction disc are arranged, a driving motor drives a second connecting shaft to rotate through a transmission assembly, the second connecting shaft drives the friction base plate to rotate, the first connecting shaft is driven to rotate through the friction force between the friction base plate and the friction disc, so that a winding drum is driven to rotate to work, when the load at the winding drum is overlarge, the friction resistance between the friction disc and the friction base plate cannot meet the large and small force of the load, the friction base plate rotates relative to the friction disc, when an alarm switch moves to the inner sides of an L-shaped positioning plate and a pressing plate, the pressing plate extrudes the alarm switch, the alarm switch controls an alarm to sound to remind people to process in time, if no person pays attention to the friction base plate after the alarm sounds and the load of the winching mill is larger, the friction base plate, the power source can be automatically cut off, the grinding mill is protected from being damaged due to overload, and the service life of the grinding mill is guaranteed.

2. This overload warning separation protection system that hank ground, top through the top of being equipped with is pushed a barrel and is pushed the ring plate, set for the demand to rotate the top and push a barrel according to the overload, the screw cup joint effect that utilizes top to push a barrel and first connecting axle makes the top push a barrel promote and pushes away the ring plate and remove, the top pushes away the ring plate and promotes the push-and-pull ring plate, the push-and-pull ring plate promotes the friction disk through the dead lever and moves towards the friction backing plate, can adjust the distance between friction disk and the friction backing plate and then adjust the size of frictional force, can set for the demand according to the load and carry out quick adjustment, convenient to use, and in adjusting to accomplish the back and make the chucking inserted bar aim at the chucking slot that corresponds, chucking spring draws back the pulling plate that resets, it can realize the firm spacing to pushing a barrel to push away in.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses have fine alarming function, and can the automatic cutout power supply, the protection hank grinds and avoids causing the damage because of transshipping, has guaranteed the life of hank grinds.

Drawings

Fig. 1 is a schematic structural view of an overload alarm separation protection system for a winching device according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of an overload alarm separation protection system for a winching device according to the present invention;

fig. 3 is a side-view structure diagram of the connection of the L-shaped positioning plate and the pressing plate of the overload alarm separation protection system of the winching.

In the figure: the device comprises a support frame 1, a winding drum 2, a gearbox 3, a driving motor 4, a transmission assembly 5, a first connecting shaft 6, a second connecting shaft 7, a fixing plate 8, a friction cushion plate 9, a fixing rod 10, a friction disc 11, a push-pull ring plate 12, a push-pull screw barrel 13, a push-pull ring plate 14, a disc spring 15, an alarm switch 16, a power switch 17, an L-shaped positioning plate 18, a pressing plate 19, an alarm 20, a clamping inserted rod 21, a clamping slot 22, a reset pull plate 23 and a clamping spring 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an overload alarm separation protection system for a winching, which comprises a support frame 1, a winding drum 2 is fixedly arranged on one side of the upper end of the support frame 1, a gearbox 3 and a driving motor 4 are arranged, the driving motor 4 is connected with the gearbox 3 through a transmission component 5, a first connecting shaft 6 is arranged on the winding drum 2, a second connecting shaft 7 is arranged on the transmission component 5, one ends of the first connecting shaft 6 and the second connecting shaft 7 extend into the gearbox 3, one end of the first connecting shaft 6, which is positioned in the gearbox 3, is fixedly connected with a fixing plate 8, one end of the second connecting shaft 7, which is positioned in the gearbox 3, is fixedly connected with a friction backing plate 9, a plurality of jacks are uniformly arranged on the outer side of the surface of the fixing plate 8, fixing rods 10 are movably inserted in the jacks, one end of a plurality of fixing rods 10 is fixedly connected with a friction disc 11 abutting against one side of the friction backing plate 9 12, an external thread is formed in the outer wall of one end of the first connecting shaft 6, a pushing screw barrel 13 is connected to the outer wall of one end of the pushing screw barrel 13 in a threaded manner, a pushing ring plate 14 sleeved outside the first connecting shaft 6 is fixedly connected to the outer wall of one end of the pushing screw barrel 13, a disc spring 15 is arranged between the pushing ring plate 14 and the pushing ring plate 12, an alarm switch 16 and a power switch 17 are arranged on the outer wall of the friction pad 9, an L-shaped locating plate 18 is fixedly arranged on the outer wall of the friction disc 11, a pressing plate 19 obliquely arranged is fixedly connected to the side wall of the L-shaped locating plate 18, and an.

A plurality of jacks are symmetrically formed in the wall of the pushing screw barrel 13, clamping insertion rods 21 are movably inserted in the jacks, a plurality of clamping insertion slots 22 correspondingly inserted with the clamping insertion rods 21 are uniformly formed in the outer wall of the first connecting shaft 6, a reset pull plate 23 is fixedly connected to one end of each clamping insertion rod 21, and a clamping spring 24 sleeved outside the clamping insertion rod 21 is fixedly connected to one opposite side of the reset pull plate 23 and one opposite side of the pushing screw barrel 13.

The output of the alarm switch 16 is electrically connected to the input of the alarm 20.

The output end of the power switch 17 is electrically connected with the input end of the driving motor 4.

The surface of the supporting frame 1 is provided with a plurality of fixing screw holes.

In the utility model, when in use, the driving motor 4 drives the second connecting shaft 7 to rotate through the transmission component by the friction backing plate 9 and the friction disk 11, the second connecting shaft 7 drives the friction backing plate 9 to rotate, the first connecting shaft 6 is driven to rotate by the friction between the friction backing plate 9 and the friction disk 11, and then the winding drum 2 is driven to rotate to work, when the load at the winding drum 2 is overlarge, the friction resistance between the friction disk 11 and the friction backing plate 9 can not satisfy the large and small force of the load, the friction backing plate 9 rotates relative to the friction disk 11, when the alarm switch 16 moves to the inner sides of the L-shaped positioning plate 18 and the pressing plate 19, the pressing plate 19 extrudes the alarm switch 16, the alarm switch 16 controls the alarm 20 to sound to remind people to process in time, if no one pays attention to the alarm and the winching load is bigger after the alarm is sounded, the friction backing plate 9 rotates more relative to the, the L-shaped positioning plate 18 and the pressing plate 19 act on the power switch, so that a power source can be automatically cut off, the winching is protected from being damaged due to overload, the service life of the winching is ensured, the winching is prevented from being damaged due to overload, the winching is ensured, the winching is realized by rotating the winching barrel 13 according to the overload setting requirement through the arranged winching barrel 13 and the winching ring plate 14, the winching ring plate 13 pushes the winching ring plate 14 to move through the screw sleeving action of the winching barrel 13 and the first connecting shaft 6, the winching ring plate 14 pushes the push-pull ring plate 12, the push-pull ring plate 12 pushes the friction disc 11 to move towards the friction backing plate 9 through the fixed rod 10, the distance between the friction disc 11 and the friction backing plate 9 can be adjusted, so that the friction force can be adjusted, the quick adjustment can be carried out according to the load setting requirement, the use is convenient, the clamping insertion, the reset pull plate 23 pushes the clamping inserted bar 21 into the clamping slot 22, so that the stable spacing of the opposite pushing screw barrel 13 can be realized, the structural stability is improved, and the adjustment and the use are convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An overload alarm separation protection system of a winching mill comprises a support frame (1), wherein a winding drum (2), a gearbox (3) and a driving motor (4) are fixedly arranged on one side of the upper end of the support frame (1), the driving motor (4) and the gearbox (3) are connected through a transmission assembly (5), a first connecting shaft (6) is arranged on the winding drum (2), a second connecting shaft (7) is arranged on the transmission assembly (5), one ends of the first connecting shaft (6) and the second connecting shaft (7) extend into the gearbox (3), and the overload alarm separation protection system is characterized in that one end, located in the gearbox (3), of the first connecting shaft (6) is fixedly connected with a fixing plate (8), one end, located in the gearbox (3), of the second connecting shaft (7) is fixedly connected with a friction backing plate (9), a plurality of jacks are uniformly formed in the outer side of the surface of the fixing plate (8), and fixing rods (10) are movably inserted in the jacks, one end of each of the fixing rods (10) is fixedly connected with a friction disc (11) which abuts against one side of the friction backing plate (9), the other end of each of the fixing rods (10) is fixedly connected with a push-pull ring plate (12) which is sleeved outside the first connecting shaft (6), the outer wall of one end of the first connecting shaft (6) is provided with an external thread and is in threaded connection with a pushing screw cylinder (13), the outer wall of one end of the pushing screw cylinder (13) is fixedly connected with a pushing ring plate (14) which is sleeved outside the first connecting shaft (6), a disc spring (15) is arranged between the pushing ring plate (14) and the push-pull ring plate (12), the outer wall of the friction backing plate (9) is provided with an alarm switch (16) and a power switch (17), the outer wall of the friction disc (11) is fixedly provided with an L-shaped positioning plate (18), and the side wall of the L-shaped positioning plate (18) is fixedly connected, an alarm (20) is fixedly arranged at the upper end of the gearbox (3).

2. The overload alarm separation protection system for the winching according to claim 1, wherein a plurality of insertion holes are symmetrically formed in the wall of the pushing screw cylinder (13), clamping insertion rods (21) are movably inserted in the insertion holes, a plurality of clamping insertion slots (22) correspondingly inserted with the clamping insertion rods (21) are uniformly formed in the outer wall of the first connecting shaft (6), one end of each clamping insertion rod (21) is fixedly connected with a reset pull plate (23), and one opposite side of each reset pull plate (23) and the pushing screw cylinder (13) is fixedly connected with the same clamping spring (24) sleeved outside the corresponding clamping insertion rod (21).

3. The overload warning separation protection system for a winching according to claim 1, wherein the output of the warning switch (16) is electrically connected to the input of a warning device (20).

4. The overload warning separation protection system for a winching according to claim 1, wherein the output of the power switch (17) is electrically connected to the input of the driving motor (4).

5. The overload warning and separating protection system for the winching, as claimed in claim 1, wherein the surface of the supporting frame (1) is provided with a plurality of fixing screw holes.