CN214653239U - Lifting bucket lifting structure and lifting machine - Google Patents

Abstract

The utility model provides an elevator bucket promotes structure and lifting machine, one of them elevator bucket promotes structure, include the elevator bucket, fix the hoist engine of elevator bucket top is still including fixing the fixed pulley of elevator bucket top, the free end of rope on the hoist engine downwards with upwards pass behind the elevator bucket swing joint the fixed pulley downwards again with the elevator bucket swing joint after-fixing the top of elevator bucket. The utility model discloses a pass lift-bucket, fixed pulley and lift-bucket at last the wiring mode of fixing in the lift-bucket top with the free end of rope on the hoist engine in proper order, can effectively reduce the atress of rope, reduce the cracked risk of rope to can reduce the risk that the lift-bucket falls, and simple structure, flexible operation.

Description

Lifting bucket lifting structure and lifting machine

Technical Field

The utility model relates to a lifting machine technical field especially relates to an elevator bucket promotes structure and lifting machine.

Background

Along with the rapid development of concrete mixing mechanical equipment, the lifting bucket type mixing plant is rapidly developed by the characteristics of compact structure, small occupied area, rapid installation and the like. However, the elevator bucket has the danger of hopper falling in the work, and once the hopper falls, the falling bucket can cause the elevator bucket and the rail to be seriously damaged and scrapped, and the replacement is time-consuming, labor-consuming and costly.

In the prior art, the ropes used to lift the bucket are easily broken when the bucket is in operation, resulting in a greater risk of the bucket falling.

SUMMERY OF THE UTILITY MODEL

The utility model provides an elevator bucket promotes structure and lifting machine for solve among the prior art elevator bucket at the during operation, be used for promoting the easy fracture of rope of elevator bucket, lead to the great technical problem of risk that the elevator bucket falls.

The utility model provides an elevator bucket promotes structure, include the elevator bucket, fix the hoist engine of elevator bucket top is still including fixing the fixed pulley of elevator bucket top, the free end of rope on the hoist engine downwards with upwards pass behind the elevator bucket swing joint the fixed pulley downwards again with the elevator bucket swing joint after-fixing be in the top of elevator bucket.

According to the utility model provides a pair of elevator bucket promotes structure still includes the tachymeter, the tachymeter is established on the route of rope, be used for detecting the moving speed of rope.

According to the utility model provides a pair of lift-bucket promotes structure, the tachymeter electricity with the hoist engine electricity is connected, the hoist engine still is used for the tachymeter detects the translation rate of rope exceedes the stop motion when predetermineeing the scope.

According to the utility model provides a pair of lift-bucket promotes structure, the tachymeter install in on the fixed pulley, be used for the basis the rotational speed of fixed pulley obtains the speed of rope.

According to the utility model provides a pair of elevator bucket promotes structure still includes clamping mechanism, clamping mechanism is fixed to be established on the route of rope, the rope passes clamping mechanism, clamping mechanism is used for control the motion of rope.

According to the utility model provides a pair of elevator bucket promotes structure, the tachymeter with clamping mechanism electricity is connected, clamping mechanism is used for the tachymeter detects the translation rate of rope is pressed from both sides tightly when surpassing preset range the rope.

According to the utility model provides a pair of elevator bucket promotes structure still includes the movable pulley, the movable pulley with the elevator bucket is connected, the rope passes the movable pulley.

According to the utility model provides a pair of lift bucket promotes structure, the movable pulley with the lift bucket can dismantle the connection, perhaps the movable pulley rotate connect in the lift bucket.

According to the utility model provides a pair of lift bucket promotes structure, the free end of rope is fixed through the fag end combination.

The utility model also provides a lifting machine, including the aforesaid arbitrary lift bucket promote the structure, still include the frame main part, the hoist the fixed pulley is fixed in the frame main part of lift bucket top, the hoist go up the rope the free end downwards with upwards pass behind the lift bucket swing joint the fixed pulley downwards again with lift bucket swing joint after-fixing in the frame main part.

The utility model provides a pair of elevator bucket promotes structure and lifting machine passes elevator bucket, fixed pulley and elevator bucket at last through the free end with rope on the hoist engine and fixes the wiring mode in the elevator bucket top in proper order, can effectively reduce the atress of rope, reduces the cracked risk of rope to can reduce the risk that the elevator bucket falls, and simple structure, flexible operation.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an elevator bucket lifting structure provided by the present invention;

reference numerals:

1: a winch; 2: a rack main body; 3: a movable pulley;

4: a lift bucket; 5: a clamping mechanism; 6: combining rope ends;

7: a fixed pulley; 8: a rope; 9: a velocimeter.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following describes the elevator bucket lifting structure and elevator of the present invention with reference to fig. 1.

Fig. 1 is the utility model provides a lift-bucket lifting structure's schematic diagram, as shown in the figure, a lift-bucket lifting structure, including lift-bucket 4, fix the hoist engine 1 in the lift-bucket top, still including fixing the fixed pulley 7 in the lift-bucket top, the free end of hoist engine upper rope 8 upwards passes fixed pulley 7 downwards again after 4 swing joint with lift-bucket and fixes in the top of lift-bucket 4 after 4 swing joint.

In a preferred embodiment, an elevator bucket lifting structure comprises an elevator bucket 4, a hoist 1 secured above the elevator bucket, and a fixed sheave 7 secured above the elevator bucket. Specifically, the elevator 4 is located below the hoist 1 and the fixed pulley 7, wherein the hoist 1 and the fixed pulley 7 are located on a horizontal plane, but in the embodiment of the present invention, the hoist 1 and the fixed pulley 7 are not specifically limited, and the fixed pulley 7 may be located below the hoist 1 or above the hoist 1 and may be respectively fixed above the elevator 4. The free end of the rope 8 on the winch is downwards movably connected with the lifting bucket 4, upwards passes through the fixed pulley 7, downwards movably connected with the lifting bucket 4 and then fixed above the lifting bucket 4. Specifically, one end of the rope 8 is wound around the hoist 1, and the other end of the rope passes through the elevator 4, the fixed pulley 7 and the elevator 4 in sequence and then is fixed above the elevator 4, and the other end of the rope may be on the same horizontal plane as the fixed pulley 7 or on the same horizontal plane as the hoist 1, which is not limited herein. Furthermore, the ropes 8 have 2 points of force contact with the bucket 4 and one point of contact with the crown block 7, i.e. 2:1 roping. Thus, the force on a single rope can be reduced by half, the moment of the winch can be reduced by half, and the risk of rope breakage is reduced.

The embodiment of the utility model provides an in, pass lift-bucket, fixed pulley and lift-bucket through the free end with the rope on the hoist engine in proper order and fix the wiring mode in the lift-bucket top at last, can effectively reduce the atress of rope, reduce the cracked risk of rope to can reduce the risk that the lift-bucket falls, and simple structure, flexible operation. Further, the rope winding mode that this embodiment provided has reduced the atress of rope, still can compensate the lift bucket when promoting the not enough defect of winch moment, has improved the lifting capacity who promotes the structure to still can reduce the risk that the lift bucket weighed down the fill under the rope condition of not breaking.

In a preferred embodiment, the ropes 8 are steel wire ropes which are less elastic, stronger and lighter in their own weight and are less likely to break during operation of the bucket. In another embodiment, the rope 8 is a galvanized steel wire rope, but the steel wire rope in the embodiment of the present invention is not limited thereto, and may be a stainless steel wire rope or other types of steel wire ropes, and the requirement for performance may be met without specific limitation. In the embodiment of the present invention, the rope 8 is not limited to a steel wire rope, but may be other ropes meeting the performance requirement, such as a cable or a chain. In addition, the embodiment of the present invention does not specifically limit the diameter of the rope, and can be selected according to specific situations.

In one embodiment, an elevator bucket lifting structure further comprises a tachometer 9, the tachometer 9 being adapted to detect the speed of movement of the rope 8, in particular the tachometer 9 is adapted to detect the speed of movement of the rope 8 in real time as the elevator bucket 4 is raised or lowered. The speed meter 9 is electrically connected with the winding machine 1, and the winding machine 1 is used for stopping running when the speed meter detects that the moving speed of the rope 8 exceeds a preset range. Further, when the speed of the rope 8 is detected to be out of the preset moving speed range by the speed meter 9, that is, when the displacement speed of the rope 8 is too high, the speed meter 9 can send an electric signal to the winding machine 1 to control the winding machine 1 to cut off the power supply and stop running.

The embodiment of the utility model provides an in, through the displacement speed of the rope that increases when tachymeter real-time detection elevator bucket rises or descends, when discovering rope moving speed too fast, can cut off the power of hoist engine and make its bring to rest. The hoisting machine has the advantages that the structure is simple, the moving speed of the rope can be monitored in real time, the power supply of the hoisting machine can be timely cut off when the moving speed of the rope is detected to be abnormal, the rope is effectively controlled to move, so that the hoisting bucket stops moving continuously, the risk of falling the hoisting bucket is reduced, the maintenance is convenient, and the service lives of the hoisting bucket, the rope and the track are prolonged to a certain extent.

In a preferred embodiment, a tachometer 9 is mounted on the fixed pulley 7 for obtaining the speed of the rope 8 from the rotational speed of the fixed pulley 7. Specifically, a velometer 9 is connected to the side surface of the fixed pulley 7, the fixed pulley 7 rotates along with the operation of the elevator bucket 4 in the operation process of the elevator bucket, and the velometer 9 obtains the moving speed of the rope 8 by detecting the rotating speed of the fixed pulley. In another embodiment a velocimeter 9 may be placed at any position along the rope 8 to detect the speed of movement of the rope. The velocimeter 9 can also be connected to the elevator 4 to detect the moving speed of the elevator 4 when ascending or descending in real time. Here, the position of the velocity meter 9 is not particularly limited, and the moving speed of the rope 8 and the lift bucket 4 may be detected.

The embodiment of the utility model provides an in, detect out the real-time speed of elevator bucket rope when rising or decline through connecting the tachymeter in other structures, such simple structure, easy operation can the moving speed of direct observation rope.

In one embodiment, an elevator bucket lifting structure further comprises a clamping mechanism 5, the clamping mechanism 5 being disposed in the path of a rope 8, the rope 8 passing through the clamping mechanism 5, the clamping mechanism 5 being adapted to control the movement of the rope 8. In a preferred embodiment, the clamping mechanism 5 is arranged below the fixed pulley 7, and the rope 8 below the fixed pulley 7 passes through the clamping mechanism 5. When the velocimeter 9 detects that the moving speed of the rope 8 exceeds the preset range, the clamping mechanism 5 is started, the clamping mechanism 5 clamps the rope 8, the rope is prevented from continuously moving, and the bucket falling can be avoided. However, in the embodiment of the present invention, the position of the clamping mechanism 5 is not exclusive, and may be any position where the rope passes through, and is not limited specifically here.

In a preferred embodiment, when the speed meter 9 detects that the speed of the rope exceeds the preset range, the speed meter 9 sends an electric signal to the winch 1 and the clamping mechanism 5, the winch 1 cuts off the power supply, the elevator bucket 4 stops running, the clamping mechanism 5 is started at the same time, the clamping mechanism 5 clamps the rope 8 to prevent the rope 8 from continuing to move, double braking protection is realized, the elevator bucket 4 is prevented from falling down, and the elevator bucket 4 and the track are prevented from being seriously damaged. However, the embodiment of the present invention is not limited to this, and the velocimeter 9 can brake any one of the hoisting machine 1 and the clamping mechanism 5 according to the real-time speed of the rope, so as to stop the elevator, and this is not specifically limited.

The embodiment of the utility model provides an in, through the real-time data of the rope that the tachymeter detected, cut off the power of hoist engine when the travelling speed that the tachymeter detected the rope surpassed preset range, start clamping mechanism simultaneously and press from both sides tight rope and prevent the rope continuation operation. The elevator bucket falling protection device is simple in structure and flexible to operate, can realize double braking protection on the elevator bucket, and effectively controls rope movement, so that the risk that the elevator bucket falls down is reduced, and particularly the risk that the elevator bucket falls down under the condition that the rope is not broken.

In one embodiment, an elevator bucket lifting structure further comprises a travelling block 3, a rope 8 passing through the travelling block 3, the travelling block 3 being connected to the elevator bucket 4. The free end of the rope 8 is fixed by the rope hitch 6. Specifically, the free end of the rope 8 passes through the movable pulley 3, the fixed pulley 4 and the movable pulley 3 in sequence and then is fixed above the elevator bucket 4 through the rope head combination 6, wherein the two movable pulleys 3 are connected with the elevator bucket 4, and the rope 8 is movably connected with the elevator bucket 4 through the movable pulleys 3, so that the stress of the rope 8 is reduced by half by the 2:1 rope winding mode, the stress of the rope is reduced, and the risk of bucket falling caused by the breakage of the rope 8 is reduced.

Further, the movable pulley 3 is detachably connected with the lifting bucket 4; at this time, the rope 8 is wound around the movable pulley 3 from the bottom of the movable pulley 3, a lifting hook and the like can be arranged on the movable pulley 3, a matched lifting ring can be arranged on the lifting bucket 4, and the movable pulley 3 and the lifting bucket 4 can be detachably connected through the connection of the lifting hook and the lifting ring. Or the movable pulley 3 is rotatably connected to the lifting bucket 4; at this moment, the movable pulley 3 and the elevator 4 can be of an integrated connecting structure, two connecting seats can be oppositely arranged on the elevator 4, the movable pulley 3 can be rotatably connected between the two connecting seats, the movable pulley 3 and the elevator 4 are integrally fixed and can rotate relatively, and the rope 8 is wound around the movable pulley 3 from the bottom of the movable pulley 3. Namely, the movable pulley 3 and the lifting bucket 4 can be separately arranged and then connected; the movable pulley 3 may also be part of the elevator car 4, and is not limited in particular, so that the movable connection between the rope and the elevator car is relatively movable.

In the embodiment of the utility model, through fixing one end of rope on the hoist engine, the other end loops through behind movable pulley, fixed pulley and the movable pulley and fixes through the rope combination, realizes 2: 1's wiring mode, can reduce the power of the first half of rope like this, reduces the cracked risk of rope, and the moment of hoist engine also reduces half, reduces the risk that the elevator bucket weighs down the fill. Simultaneously the utility model discloses tachymeter and clamping mechanism have been increased, the tachymeter can carry out real time monitoring to the displacement speed on the rope, when the displacement speed that detects the rope surpassed preset range, the tachymeter gives hoist engine and clamping mechanism with signal transmission, the hoist engine cuts off power supply, clamping mechanism presss from both sides tight rope, realize the duplicate protection to the elevator bucket through hoist engine and clamping mechanism, the effective control rope removes, thereby reduce the risk that the elevator bucket falls, especially the weight down fill risk that takes place under the rope condition of not splitting, avoid the elevator bucket, rope and orbital damage.

The following is to the utility model provides a pair of lifting machine describes, and the lifting machine includes foretell lift bucket and promotes the structure, still includes frame main part 2, hoist engine 1 and fixed pulley 7, and fixed pulley 7 is fixed on the frame main part 2 of 4 tops of lift bucket, on hoist engine 1 the free end of rope downwards with lift bucket 4 swing joint after upwards pass fixed pulley 7 downwards again with lift bucket 4 swing joint after fix 2 in frame main part.

In a preferred embodiment, the frame body 2 is arranged above the elevator bucket 4, the upper surface of the frame body 2 is provided with the hoisting machine 1 and the fixed pulley 7, and a gap is formed between the fixed pulley 7 and the hoisting machine 1 to avoid influencing the movement of the rope on the fixed pulley. The free end of the rope 8 on the winch passes through the clamping mechanism 5 arranged on the lower surface of the frame main body 2 after passing around the movable pulley 3 and the fixed pulley 7, then passes around the movable pulley 3, and finally is fixed on the lower surface of the frame main body 2 through the rope end combination 6. The structure is simple, the space is fully and effectively utilized, and the maintenance is convenient.

The embodiment of the utility model provides an in the top of elevator bucket is located to the frame main part, but the concrete position of frame main part, hoist engine, fixed pulley and fag end combination does not do specifically and prescribes a limit to, satisfies the relation of connection between each mechanism, guarantees simultaneously that the rope does not produce alternately when passing each mechanism, avoids rope 8 to take place the winding can.

The following describes a lifting method of a lift bucket lifting structure, and the lifting method described below and the lift bucket lifting structure described above can be referred to in correspondence.

In one embodiment, based on the bucket lifting structure described above, the bucket lifting method includes: a rope 8 of a winch is arranged to pass by the fixed pulley 7, so that two stress connection points are formed between the rope and the elevator bucket 4, and the moving speed of the rope 8 in the ascending or descending process of the elevator bucket is obtained; and (5) confirming that the moving speed of the rope 8 exceeds a preset range, and controlling the winch 1 to stop running. Specifically, the real-time displacement speed of the rope 8 is obtained and compared with a preset range, and when the real-time displacement speed exceeds the preset range, the power supply of the winch 1 is immediately cut off to stop the operation of the winch 1; otherwise, when the real-time moving speed does not exceed the preset range, the winch 1 normally operates.

In one embodiment, the bucket lifting method further comprises: and confirming that the moving speed of the rope 8 exceeds the preset speed range, and controlling the clamping mechanism 5 to clamp the rope 8. Further, the power of the hoist 1 is cut off while the clamping mechanism 5 is activated to clamp the rope 8 when it is confirmed that the speed of the rope 8 exceeds the preset speed range. However, in this embodiment, when the rope speed is detected to be out of the preset range, the hoisting machine 1 or the clamping mechanism 5 may be controlled independently, and this is not particularly limited.

In a preferred embodiment, obtaining the speed of movement of the ropes during operation of the bucket lifting structure comprises: acquiring the rotating speed of the fixed pulley; the moving speed of the rope is obtained according to the rotating speed of the fixed pulley. In another embodiment, the moving speed of the rope may also be obtained by obtaining the moving speed of the elevator bucket, and the obtaining method of the moving speed of the rope is not particularly limited herein.

In the embodiment, the hoisting method of the hoisting bucket mainly comprises the steps of detecting the speed of the rope in real time through a speed meter, confirming whether the speed of the rope exceeds a preset range according to the detected speed, sending an electric signal to the winch and the clamping mechanism when the speed of the rope exceeds the preset range, controlling the winch to cut off a power supply and starting the clamping mechanism to clamp the rope at the same time, and achieving double braking protection of the hoisting bucket. The lifting method of the lift bucket is simple and flexible to operate.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The lifting structure of the lifting bucket is characterized by comprising the lifting bucket, a winch fixed above the lifting bucket and a fixed pulley fixed above the lifting bucket, wherein the free end of a rope on the winch downwards movably connected with the lifting bucket upwards penetrates through the fixed pulley, then downwards movably connected with the lifting bucket and then fixed above the lifting bucket.

2. An elevator bucket lifting structure as claimed in claim 1, further comprising a speedometer provided in the path of the rope for detecting the speed of movement of the rope.

3. The elevator bucket lifting structure of claim 2, wherein the tachometer is electrically connected to the hoist, and the hoist is further configured to stop operating when the tachometer detects that the rope has moved beyond a predetermined range.

4. An elevator bucket lifting structure as claimed in claim 2, wherein said speedometer is mounted on said crown block for deriving the speed of said rope from the rotational speed of said crown block.

5. An elevator bucket lifting structure as claimed in claim 2 or 3, further comprising a clamping mechanism fixedly provided in the path of the rope, the rope passing through the clamping mechanism, the clamping mechanism being for controlling the movement of the rope.

6. The bucket lifting structure of claim 5, wherein the speedometer is electrically connected to the clamping mechanism for clamping the rope when the speedometer detects that the rope's speed of movement is outside a preset range.

7. The bucket lifting structure of claim 1, further comprising a travelling block, the travelling block being connected to the bucket, the rope passing through the travelling block.

8. The bucket lifting structure of claim 7, wherein the movable sheave is removably attached to the bucket, or the movable sheave is rotatably attached to the bucket.

9. An elevator bucket lifting structure according to claim 1, wherein the free ends of the ropes are secured by a rope head combination.

10. A hoisting machine, comprising the elevator bucket lifting structure of any one of claims 1 to 9, and further comprising a frame body, wherein the hoisting machine and the fixed pulley are fixed on the frame body above the elevator bucket, and the free end of the rope on the hoisting machine is downwards movably connected with the elevator bucket, upwards passes through the fixed pulley, downwards movably connected with the elevator bucket, and then is fixed on the frame body.

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