Double-lifting-point winch type plane gate hoist

Abstract

The utility model discloses a double-lifting-point winch type plane gate hoist which comprises a mounting plate, a winding wheel is mounted at the top of the mounting plate, a wire hole is formed in the top of the mounting plate, and a guide wheel is arranged above the wire hole. The utility model relates to the technical field of hoists, through the cooperation of a mounting frame, a first servo motor and a two-way lead screw, when a winch is used for winding and unwinding a steel wire rope, the first servo motor drives the two-way lead screw to rotate, and through the threaded connection between the two-way lead screw and a sliding block, a guide block at the top of the sliding block is driven to transversely move; therefore, the steel wire rope can be uniformly wound on the winding wheel during winding, and on the contrary, the steel wire rope can be uniformly unwound from the winding wheel during unwinding, so that the problems that the winding speeds on the two sides are difficult to control to be synchronous, the stress on the two sides of the gate is not uniform, and the service life of the gate is prolonged are solved. And even the steel wire rope is broken due to single-side stress, and the failure rate is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hoist, concretely to a double-lifting-point hoist formula plane gate hoist. BACKGROUND

[0002] The double-lifting-point hoist formula plane gate hoist is a commonly used equipment in water conservancy and hydropower engineering, and is used for the opening and closing of a double-lifting lug plane gate.

[0003] At present, the lifting of the two lifting devices of the double-lifting-point hoist formula plane gate hoist is realized by the operation of two sets of hoist mechanisms with the same theoretical parameters. The two sets of hoist mechanisms are wound by two steel wires respectively, and are connected by a rigid synchronous shaft. By making the input hoist mechanism speeds consistent, the lifting synchronization of the two lifting devices is achieved.

[0004] However, in the winding process of the two hoist mechanisms, the diameter of the steel wire cannot be ignored. As the steel wire is wound on the outer wall of the winding wheel, the winding diameter of the steel wire increases, and the winding speed of the two sides is not easy to control synchronously, which may cause uneven stress on the two sides of the gate, and further cause blockage, even single-sided stress leading to the breakage of the steel wire, and a high failure rate. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a double-lifting-point hoist formula plane gate hoist, which solves the problem of uneven stress on the two sides of the gate caused by the winding diameter of the steel wire increasing due to the winding of the steel wire on the outer wall of the winding wheel, and the winding speed of the two sides not being easy to control synchronously, which may cause blockage, even single-sided stress leading to the breakage of the steel wire, and a high failure rate.

[0006] To achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a double-lifting-point hoist formula plane gate hoist, comprising a mounting plate, two winding wheels are installed on the top of the mounting plate, a wire hole is formed in the top of the mounting plate, a guide wheel is arranged above the wire hole, the double-lifting-point hoist formula plane gate hoist further comprises a carding structure, the carding structure is installed on the top of the mounting plate and located between the guide wheel and the winding wheel; a synchronous device is installed on the outer wall of the winding wheel; a pressing device is installed above the guide wheel; wherein the steel wire is carded by the carding structure, the synchronous device drives the synchronous rotation of the winding wheels on both sides, and the pressing device stabilizes the steel wire during winding.

[0007] Preferably, the carding structure comprises two mounting frames, both of which are fixedly connected to the top of the mounting plate and are located between the winding wheels and the guide wheels on both sides; the first servo motor is fixedly connected to the outer wall of one mounting frame; the bidirectional screw rod is rotatably connected to the inner wall of the mounting frame through a sealing bearing and is fixedly connected to the output end of the first servo motor at the end extending outside the mounting frame; the sliding block is threadedly connected to the outer wall of the bidirectional screw rod and is slidingly connected to the inner wall of the mounting frame; the guide block is fixedly connected to the top of the sliding block and extends outside the mounting frame; wherein, the first servo motor drives the guide block to move through the cooperation of the bidirectional screw rod and the sliding block, and the mounting frame supports the sliding block.

[0008] Preferably, the synchronization device comprises two fixed frames, both of which are fixedly connected to the top of the mounting plate; the second servo motor is fixedly connected to the outer wall of the fixed frame, and the output end is fixedly connected to one end of the winding wheel through a sealing bearing; the connecting rod is fixedly connected to the end of the winding wheel away from the fixed frame; the rigid coupler is fixedly connected to the ends of the two connecting rods away from the winding wheel; wherein, the second servo motor drives the two winding wheels to rotate synchronously through the cooperation of the rigid coupler and the connecting rod, and the fixed frame supports the second servo motor.

[0009] Preferably, the pressing device comprises a fixed shell fixedly connected to the top of the mounting plate, and the inner wall is rotatably connected to the outer wall of the guide wheel through a sealing bearing; the pressing wheel is arranged above the guide wheel; the mounting frame is rotatably connected to the outer wall of the pressing wheel through a sealing bearing; the threaded rod is rotatably connected to the top of the mounting frame through a sealing bearing, and the outer wall is threadedly connected to the inner wall of the fixed shell; wherein, the pressing wheel extrudes the steel wire rope through the cooperation of the threaded rod and the mounting frame, and the fixed shell supports the guide wheel.

[0010] Preferably, the outer wall of the mounting frame is fixedly connected to the limiting block, and the outer wall of the limiting block is slidingly connected to the inner wall of the fixed shell.

[0011] Advantages

[0012] The utility model provides a double lifting point hoist type plane gate hoist. Have the following advantages: the double lifting point hoist type plane gate hoist passes through the cooperation of mounting frame, first servo motor and bidirectional screw rod, when winding machine is received and is released steel wire rope, first servo motor will drive bidirectional screw rod to rotate, and through the screw thread connection between bidirectional screw rod and sliding block, drive the guide block of sliding block top to move horizontally, so can make the steel wire rope even when winding is wound on the winding wheel, conversely when paying off, can also make the steel wire rope even from the winding wheel, so in avoiding both sides winding speed not easy control as synchronization, will lead to the uneven stress of gate both sides, further lead to the problem of jamming, even unilateral stress leads to the breakage of steel wire rope, the failure rate is higher.

[0013] Through the cooperation of the fixed shell, the mounting frame and the threaded rod, when the steel wire rope is reeled in and out, the steel wire rope is placed above the guide wheel, and by rotating the threaded rod, the mounting frame drives the compression wheel to extrude the steel wire rope on the guide wheel through the threaded connection between the threaded rod and the fixed shell, so that the steel wire rope can be stabilized under the action of the compression wheel during normal winding, avoiding the situation of falling off. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the utility model;

[0016] Figure 3 It is Figure 1 It is a structural schematic view of the first servo motor, the bidirectional screw rod and the mounting frame in the utility model;

[0017] Figure 4 It is Figure 2 It is a structural schematic view of the guide wheel and the fixed shell in the utility model.

[0018] In the figure: 1, mounting plate; 11, winding wheel; 12, wire hole; 13, guide wheel; 14, limiting block; 2, carding structure; 21, mounting frame; 22, first servo motor; 23, bidirectional screw rod; 24, sliding block; 25, guide block; 3, synchronous device; 31, fixed frame; 32, second servo motor; 33, connecting rod; 34, rigid coupling; 4, compression device; 41, fixed shell; 42, compression wheel; 43, mounting frame; 44, threaded rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] During the winding process, due to the diameter of the steel wire rope, the winding diameter of the steel wire rope increases due to the winding of the steel wire rope on the outer wall of the winding wheel, the winding speed of the two sides is not easy to control synchronously, which causes uneven stress on the two sides of the gate, and further causes the problems of jamming and even single-sided stress leading to the rupture of the steel wire rope, and the failure rate is high.

[0021] Therefore, the utility model provides a kind of double lifting point hoist type plane gate hoist, solve the winding process of two sides of winding mechanism, because the diameter of steel wire rope cannot be ignored, thus the winding diameter of steel wire rope is increased due to the winding of steel wire rope on the outer wall of winding wheel, the winding speed of two sides is not easy to control synchronously, it can lead to uneven stress on both sides of gate, and further lead to jamming, even unilateral stress leads to the problem of steel wire rope rupture, high failure rate.

[0022] By the person skilled in the art, the components in the case are sequentially connected, and the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is the known technology in the art, and the following mainly introduces the working principle and process.

[0023] Example one: by Figures 1-4 It can be known that a kind of double lifting point hoist type plane gate hoist, including mounting plate 1, be provided with lug plate on the both sides of mounting plate 1, and mounting hole is formed on the surface of lug plate, so it is more convenient when installing hoist, the top of mounting plate 1 is equipped with winding wheel 11 on both sides, the top of mounting plate 1 is equipped with wire hole 12, wire hole 12 is equipped with guide wheel 13 above, double lifting point hoist type plane gate hoist still includes carding structure 2, synchronous device 3 and compression device 4, carding structure 2 is installed on the top of mounting plate 1, and is located between guide wheel 13 and winding wheel 11;Synchronous device 3 is installed on the outer wall of winding wheel 11;Compression device 4 is installed above guide wheel 13;Wherein, the steel wire rope is carded by carding structure 2, synchronous device 3 drives both sides of winding wheel 11 to rotate synchronously, and compression device 4 makes the steel wire rope stable when winding;

[0024] In the specific implementation process, it is particularly worth pointing out that the wear pad is installed on the inner wall shell of wire hole 12, to avoid the friction damage between steel wire rope and mounting plate 1 caused by long-time friction, the winding wheel 11 winds the steel wire rope, and the steel wire rope is evenly wound on the winding wheel 11, to avoid winding during winding, and under the driving of carding structure 2, the uniform movement of steel wire rope during winding and unwinding can be ensured, to avoid the asynchronous movement of steel wire rope on both sides during rapid winding and unwinding, and further cause uneven stress on both sides of gate, and synchronous device 3 will make both sides of winding wheel 11 rotate synchronously, to avoid the imbalance of gate, and compression device 4 can stabilize the steel wire rope during winding and unwinding, and will not fall off, in the actual application process, the distance between guide wheel 13 and winding wheel 11 should be adjusted appropriately according to the effective winding length of winding wheel 11, to ensure that the steel wire rope will not separate from the inside of guide wheel 13 or increase the friction between guide wheel 13 due to the bending angle between guide wheel 13 and winding wheel 11;

[0025] Further, the comb structure 2 comprises a mounting frame 21, a first servo motor 22, a bidirectional screw rod 23, a sliding block 24 and a guide block 25, the mounting frame 21 is provided with two, and is fixedly connected to the top of the mounting plate 1, and is located between the winding wheel 11 and the guide wheel 13 on both sides respectively; the first servo motor 22 is fixedly connected to the outer wall of one mounting frame 21; the bidirectional screw rod 23 is rotatably connected to the inner wall of the mounting frame 21 through a sealing bearing, and the end extending to the outside of the mounting frame 21 is fixedly connected to the output end of the first servo motor 22; the sliding block 24 is threadedly connected to the outer wall of the bidirectional screw rod 23, and is slidingly connected to the inner wall of the mounting frame 21; the guide block 25 is fixedly connected to the top of the sliding block 24 and extends to the outside of the mounting frame 21; wherein the first servo motor 22 drives the guide block 25 to move through the cooperation of the bidirectional screw rod 23 and the sliding block 24, and the mounting frame 21 supports the sliding block 24, wherein the model of the first servo motor 22 is not limited, and can meet the actual use condition;

[0026] In the specific implementation process, it is particularly worth pointing out that a through hole is formed in the surface of the guide block 25, the size of the through hole satisfies that the steel wire rope can slide in it at will, and when the steel wire rope is wound or unwound, the guide block 25 moves transversely, and the transverse moving distance of the guide block 25 is the same as the length of the winding wheel 11, so that the guide block 25 drives the steel wire rope to move when the steel wire rope is wound, and the steel wire rope is uniformly wound on the outer wall of the winding wheel 11 by cooperation of the winding of the winding wheel 11, and vice versa, when the steel wire rope is unwound, the steel wire rope is uniformly separated from the winding wheel 11, so that the winding of the steel wire ropes can be avoided;

[0027] Further, the synchronous device 3 comprises a fixed frame 31, a second servo motor 32, a connecting rod 33 and a rigid coupling 34, the fixed frame 31 is provided with two, and is fixedly connected to the top of the mounting plate 1 on both sides respectively; the second servo motor 32 is fixedly connected to the outer wall of the fixed frame 31, and the output end is fixedly connected to one end of the winding wheel 11 through a sealing bearing penetrating the fixed frame 31; the connecting rod 33 is fixedly connected to one end of the winding wheel 11 away from the fixed frame 31; the rigid coupling 34 is fixedly connected to one end of the two connecting rods 33 away from the winding wheel 11; wherein the two winding wheels 11 are driven to rotate synchronously by the second servo motor 32 through the cooperation of the rigid coupling 34 and the connecting rod 33, and the fixed frame 31 supports the second servo motor 32, wherein the model of the second servo motor 32 is not limited, and can meet the actual use condition;

[0028] In the implementation process, it is particularly worth pointing out that the model of the rigid coupling 34 is not limited, and its specific role is to connect the output ends of the two second servo motors 32 together, and the connecting rod 33 is fixedly connected to one end of the two winding wheels 11 close to each other, so that the two winding wheels 11 are convenient to install the rigid coupling 34, and the speed of the two winding wheels 11 is different, so that the speed of the steel wire ropes on both sides is different during winding and lowering, which affects the balance of the gate. A speed reducer, such as a worm gear reducer, can be installed between the second servo motor 32 and the winding wheel 11. On the one hand, it can amplify the torque of the second servo motor 32, and on the other hand, it can protect the second servo motor 32, and has self-locking effect, avoiding the damage of the second servo motor 32 leading to the accidental lowering of the gate under the gravity of the gate;

[0029] Specifically, when using the double-hoisting-point winding type plane gate hoist, the second servo motor 32 drives the winding wheel 11 to rotate when the winding machine is used, and the connecting rod 33 rotates synchronously when the winding wheel 11 rotates. The end of the connecting rod 33 away from the winding wheel 11 is provided with a rigid coupling 34, so that the two winding wheels 11 and the second servo motor 32 can rotate synchronously, and the winding speed and the lowering speed of the steel wire ropes on both sides are the same, and the balance of the gate is guaranteed. When the steel wire rope is wound, the first servo motor 22 drives the bidirectional screw 23 to rotate, and the guide block 25 drives the steel wire rope to move through the threaded connection between the bidirectional screw 23 and the sliding block 24. In this way, the steel wire rope can be evenly wound on the outer wall of the winding wheel 11 during winding, and vice versa when the steel wire rope is lowered.

[0030] Embodiment two: by Figures 1-4 It can be seen that the pressing device 4 comprises a fixed shell 41, a pressing wheel 42, a mounting frame 43 and a threaded rod 44. The fixed shell 41 is fixedly connected to the top of the mounting plate 1, and the inner wall is rotatably connected to the outer wall of the guide wheel 13 through a sealing bearing. The pressing wheel 42 is arranged above the guide wheel 13. The mounting frame 43 is rotatably connected to the outer wall of the pressing wheel 42 through a sealing bearing. The threaded rod 44 is rotatably connected to the top of the mounting frame 43 through a sealing bearing, and the outer wall is screwedly connected to the inner wall of the fixed shell 41. The cooperation of the threaded rod 44 and the mounting frame 43 enables the pressing wheel 42 to extrude the steel wire rope, and the fixed shell 41 supports the guide wheel 13.

[0031] In the specific implementation process, it is worth pointing out that, when the steel wire rope is wound and unwound, the steel wire rope is placed above the guide wheel 13, and the pressure roller 42 is driven by the mounting frame 43 by rotating the threaded rod 44 and using the threaded connection between the threaded rod 44 and the fixed shell 41, so that the steel wire rope on the guide wheel 13 is extruded, so that the steel wire rope is stable during normal winding under the action of the pressure roller 42, and the situation of falling off is avoided;

[0032] Further, the outer wall of the mounting frame 43 is fixedly connected with the limiting block 14, and the outer wall of the limiting block 14 is slidably connected with the inner wall of the fixed shell 41;

[0033] In the specific implementation process, it is worth pointing out that the limiting block 14 is arranged on both sides of the mounting frame 43, so that the mounting frame 43 is stable during lifting;

[0034] Specifically, on the basis of the above embodiment, when the steel wire rope is wound and unwound, the pressure roller 42 is extruded by rotating the threaded rod 44, so that the steel wire rope is guaranteed on the outer wall of the guide wheel 13, so that the steel wire rope is avoided from falling off during winding or unwinding.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A double-suspension-point winch type planar gate hoist, comprising a mounting plate (1), characterized in that: The mounting plate (1) is equipped with winding wheels (11) on both sides of its top. The top of the mounting plate (1) has a wire hole (12), and a guide wheel (13) is provided above the wire hole (12). The double-suspension point winch type planar gate opening and closing machine also includes: The combing structure (2) is installed on the top of the mounting plate (1) and located between the guide wheel (13) and the winding wheel (11); Synchronization device (3) is installed on the outer wall of winding reel (11); A clamping device (4) is installed above the guide wheel (13); The wire rope is combed by the combing structure (2), the synchronization device (3) drives the winding wheels (11) on both sides to rotate synchronously, and the clamping device (4) stabilizes the wire rope during winding.

2. The double-suspension-point winch type planar gate hoist according to claim 1, characterized in that: The combing structure (2) includes: There are two mounting frames (21), both of which are fixedly connected to the top of the mounting plate (1) and are located between the winding wheel (11) and the guide wheel (13) on both sides respectively. The first servo motor (22) is fixedly connected to the outer wall of a mounting frame (21); The bidirectional lead screw (23) is rotatably connected to the inner wall of the mounting frame (21) via a sealed bearing, and one end extending to the outside of the mounting frame (21) is fixedly connected to the output end of the first servo motor (22); The slider (24) is threaded to the outer wall of the double-acting screw (23) and slidably engaged with the inner wall of the mounting frame (21); The guide block (25) is fixedly connected to the top of the slider (24) and extends to the outside of the mounting frame (21); The first servo motor (22) drives the guide block (25) to move through the cooperation of the bidirectional lead screw (23) and the slider (24), and the mounting frame (21) supports the slider (24).

3. The double-suspension-point winch type planar gate hoist according to claim 1, characterized in that: The synchronization device (3) includes: There are two fixing brackets (31), which are fixedly connected to the top two sides of the mounting plate (1); The second servo motor (32) is fixedly connected to the outer wall of the fixed frame (31), and its output end is fixedly connected to one end of the winding wheel (11) through a sealed bearing through one end of the fixed frame (31). The connecting rod (33) is fixedly connected to the end of the winding wheel (11) away from the fixed frame (31); A rigid coupling (34) is fixedly connected at both ends to the ends of two connecting rods (33) away from the winding wheel (11); The rigid coupling (34) and the connecting rod (33) work together to enable the second servo motor (32) to drive the two winding wheels (11) to rotate synchronously, and the fixed frame (31) supports the second servo motor (32).

4. The double-suspension-point winch type planar gate hoist according to claim 1, characterized in that: The clamping device (4) includes: The fixed shell (41) is fixedly connected to the top of the mounting plate (1), and its inner wall is rotatably connected to the outer wall of the guide wheel (13) through a sealed bearing; The pressure roller (42) is positioned above the guide roller (13); The mounting bracket (43) is rotatably connected to the outer wall of the pressure roller (42) via a sealed bearing; The threaded rod (44) is rotatably connected to the top of the mounting bracket (43) via a sealed bearing, and its outer wall is threaded to the inner wall of the fixed shell (41). The threaded rod (44) and the mounting bracket (43) work together to compress the wire rope with the pressure roller (42) and the fixed shell (41) to support the guide wheel (13).

5. The double-suspension-point winch type planar gate hoist according to claim 4, characterized in that: The outer wall of the mounting bracket (43) is fixedly connected to a limiting block (14), and the outer wall of the limiting block (14) is slidably engaged with the inner wall of the fixed shell (41).

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