Hoisting mechanism

Abstract

A lifting ring is arranged at the upper end of a vertical rod, a clamp comprises a fixing plate, lifting pins and a driving air cylinder, the fixing plate is arranged at the lower end of the vertical rod, at least two lifting pins are arranged on the fixing plate, the driving air cylinder is arranged on the fixing plate, a pressing head is arranged at the output end of the driving air cylinder, and the pressing head abuts against the lifting pins through driving. The lifting assembly comprises a first guide rail pair and a sliding plate, the first guide rail pair is arranged on the vertical rod, the sliding plate is arranged on the first guide rail pair, the positioning frame is arranged on the sliding plate and provided with a positioning column, and the grip is arranged on the positioning frame. The clamp at the lower end of the vertical rod is used for moving and taking the flywheel piece, the matching between the movement of the whole hoisting mechanism and the movement of the positioning frame is controlled by virtue of the characteristic that the positioning frame can move on the vertical rod in a suspension manner, so that the flywheel piece is accurately placed at a position needing to be mounted, and the hoisting efficiency and the hoisting precision can be improved; and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist device technical field especially relates to a hoist mechanism. BACKGROUND

[0002] In the process of moving and installing heavy or large volume products, a hoist device is generally used to clamp and move the products, which can have the characteristics of easy operation and more convenience. For example, in the assembly process of automobile engine parts, the flywheel part needs to be moved to the position where it needs to be installed on the flywheel shell by a hoist mechanism. In addition, as shown in the accompanying drawings, due to the need of production process, the operator will grab the flywheel workpiece and install it into the flywheel shell. However, the shell is large, and the flywheel needs to be installed inside the shell cavity, so the operator's line of sight is blocked. Figure 6

[0003] In the prior art, the conventional hoist device can only realize the process of lifting and moving, such as the floating type glass steel lifting device with application number 201810446587.7, which discloses the use of the up-down rotation movement of the floating screw rod for fine adjustment. The floating screw rod drives the floating plate to float up and down in the floating cavity, and the penetrating screw rod floats up and down in the floating hole. The locking nut connected by threads on the penetrating screw rod is pressed on the outside of the bottom of the other side of the clamping frame to achieve locking. It is only better applied to the stable locking of the product, but it has no much characteristics in positioning after lifting the product and assisting the installation of the product. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a hoist mechanism. The clamp at the lower end of the stand rod realizes the removal of the flywheel part. The positioning frame can be suspended and moved on the stand rod. The cooperation between the movement of the entire hoist mechanism and the movement of the positioning frame is controlled by the characteristics of the positioning frame, so that the flywheel part can be accurately placed at the installation position on the flywheel shell. The hoisting efficiency and accuracy can be improved, and the operation is convenient.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a hoist mechanism, which comprises:

[0006] a stand rod, the upper end of which is provided with a lifting ring,

[0007] a clamp, which comprises a fixed plate, a lifting pin and a driving cylinder. The fixed plate is arranged at the lower end of the stand rod. At least two lifting pins are arranged on the fixed plate for removing the flywheel part. The driving cylinder is arranged on the fixed plate, and the output end is provided with a pressure head. The pressure head is driven to abut against the lifting pin,

[0008] a lifting assembly, which comprises a first guide rail pair and a sliding plate. The first guide rail pair is arranged on the stand rod, and the sliding plate is arranged on the first guide rail pair, ​

[0009] A positioning frame is arranged on the slide plate and is provided with positioning columns for positioning with the flywheel housing,

[0010] A handle is arranged on the positioning frame.

[0011] As a further optimization, the fixing plate is provided with a pin shaft, and the lifting pin is arranged on the pin shaft.

[0012] As a further optimization, the lifting pin is provided with two, and the fixing plate is further provided with an auxiliary positioning pin on the side of the line connecting the two lifting pins, which can form a triangular structure with a pair of lifting pins to ensure the stability when the flywheel part is removed.

[0013] As a further optimization, the lifting pin is a threaded lifting pin.

[0014] As a further optimization, the fixing plate is provided with a buffer.

[0015] As a further optimization, the lifting mechanism further comprises a counterweight part, the counterweight part comprises a counterweight block, a guide wheel and a chain rope, the guide wheel is arranged on the upper end of the vertical rod, the chain rope is arranged on the guide wheel, and both ends are connected to the slide plate and the counterweight block respectively, and the application of the counterweight part can ensure the stable movement and balance effect of the positioning frame.

[0016] As a further optimization, the guide wheel and the chain rope are both provided with two, to ensure the balance of movement.

[0017] As a further optimization, the vertical rod is provided with a second guide rail pair, and the counterweight block is arranged on the second guide rail pair, to realize the stability and vertical precision of the movement of the counterweight block.

[0018] As a further optimization, the lower end of the vertical rod is provided with a limiting plate for blocking the slide plate and the counterweight block.

[0019] As a further optimization, the positioning frame is provided with an auxiliary support, the auxiliary support comprises a gas cylinder and a supporting roller, the gas cylinder is arranged on the positioning frame, the supporting roller is hinged to the positioning frame and is connected to the output end of the gas cylinder, and the supporting roller is driven to abut on the flywheel housing, which can assist the stable movement of the entire lifting mechanism on the flywheel housing.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] 1. The clamp at the lower end of the vertical rod realizes the moving and taking of the flywheel part, the cooperation between the movement of the whole hoisting mechanism and the movement of the positioning frame is controlled by the feature that the positioning frame can be suspended and moved on the vertical rod, so that the flywheel part is accurately placed at the mounting position on the flywheel shell, the hoisting efficiency and hoisting precision can be improved, and the operation is convenient.

[0022] 2. The cooperation of the driving cylinder in the clamp and the lifting pin can quickly realize the taking and releasing of the flywheel part, which is convenient for hoisting and has high hoisting stability. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural diagram of the utility model.

[0024] Figure 2 It is a structural diagram of another side view of the utility model.

[0025] Figure 3 It is a structural diagram of the counterweight part of the utility model arranged on the vertical rod.

[0026] Figure 4 It is a structural diagram of the clamp of the utility model.

[0027] Figure 5 It is a structural diagram of the clamp of the utility model.

[0028] Figure 6 It is an application flowchart of the utility model. DETAILED DESCRIPTION

[0029] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0030] As Figures 1 to 4As shown, a hoisting mechanism includes a vertical rod 10, a clamp 20, a lifting assembly 30, a positioning frame 40 and a handle 50, the upper end of the vertical rod 10 is provided with a lifting ring 11, the vertical rod 10 is hung on an external device (such as an electric hoist, etc.) through the lifting ring 11 and can be driven by the external device to make the whole hoisting mechanism move horizontally and / or vertically, the clamp 20 includes a fixed plate 21, a lifting pin 22 and a driving cylinder 23, the fixed plate 21 is arranged at the lower end of the vertical rod 10, at least two lifting pins 22 are arranged on the fixed plate 21 for moving and taking a flywheel part, the driving cylinder 23 is arranged on the fixed plate 21, and the output end is provided with a pressure head 231, the pressure head 231 is driven to abut against the lifting pin 22 to make the lifting pin 22 work, the lifting assembly 30 includes a first guide rail pair 31 and a sliding plate 32, the first guide rail pair 31 is arranged on the vertical rod 10, and the sliding plate 32 is arranged on the first guide rail pair 31 and can slide up and down, the positioning frame 40 is arranged on the sliding plate 32, and the positioning frame 40 is provided with a positioning column 41 for positioning with a flywheel housing, the handle 50 is arranged on the positioning frame 40, and the lifting of the handle 50 can control the positioning frame 40 to move up and down relative to the vertical rod 10, and the switch provided on the handle 50 can control the whole hoisting mechanism to move horizontally or vertically under the driving of the external device.

[0031] In combination Figures 5 to 6As shown, in the utility model, when the flywheel piece 70 needs to be removed, the operator operates the handle 50 to move the positioning frame 40 upward on the stand 10 to vacate the bottom space, and the lifting pin 22 is respectively aligned with the locking hole (the inner wall of the locking hole has internal thread) on the flywheel piece 70, the switch on the handle 50 is operated to move the whole lifting mechanism (i.e. the stand and the clamp are moved downward) to embed the lifting pin 22 into the locking hole, the lifting pin 22 can be a threaded lifting pin, the driving cylinder 23 works to make the protruding part on the lifting pin 22 retract to embed the lifting pin 22 into the locking hole in the process of embedding the lifting pin 22 into the locking hole, when the lifting pin 22 is completely embedded into the locking hole, the driving cylinder 23 drives the pressing head 231 to reset and disengage the top end of the lifting pin 22 to make the protruding part reset and abut against the inner wall of the locking hole, thereby completing the supporting and removing action; the handle 50 is operated to move the positioning frame 40 downward on the stand 10 (it can be moved to the bottom end to facilitate operation), so that the flywheel piece 70 is located in the internal space of the positioning frame 40, and then the switch on the handle 50 is operated to move the whole lifting mechanism, so that the positioning column 41 on the positioning frame 40 can be nested and positioned with the positioning hole on the flywheel shell 80 after translation, the flywheel piece 70 can be accurately positioned above the installation position on the flywheel shell 80 through the above positioning action, the switch on the handle 50 is operated, the stand 10 and the clamp 20 in the whole lifting mechanism and the flywheel piece 70 on the clamp 20 are moved downward until the flywheel piece 70 abuts against the flywheel shell 80, in this process, the positioning frame 40 is connected with the flywheel shell 80, so that the positioning frame 40 moves upward relative to the stand 10 to realize the suspension action, the driving cylinder 23 drives the pressing head 231 to abut against the upper end of the lifting pin 22 to release the flywheel piece, the handle 50 is operated to move the stand 10 and the clamp 20 upward relative to the positioning frame 40 to make the lifting pin 22 disengage from the locking hole, the handle 50 is operated to translate the positioning frame 40 to make the positioning column 41 disengage from the positioning hole, and the lifting of the flywheel piece 70 is completed.

[0032] The utility model realizes the removal of the flywheel piece 70 through the clamp 20 at the lower end of the stand 10, utilizes the characteristic that the positioning frame 40 can move in suspension on the stand 10 to cooperate with the relative movement of the whole lifting mechanism and the positioning frame 40 to make the flywheel piece 70 be accurately placed at the installation position on the flywheel shell 80, improves the lifting efficiency and the lifting precision, and moreover the cooperation of the driving cylinder 23 in the clamp 20 and the lifting pin 22 can quickly realize the supporting and removal of the flywheel piece 70, is convenient for lifting, and the lifting stability is high.

[0033] Moreover, the relative position of the positioning frame 40 on the hoisting mechanism and the flywheel housing 80 is fixed by the hoisting mechanism, which can avoid the problem of the operator's line of sight being blocked, and then the flywheel piece 70 is lowered into the flywheel housing 80 to realize accurate positioning of the flywheel piece 70 in the flywheel housing 80.

[0034] Preferably, the fixing plate 21 is provided with a pin shaft 211, and the lifting pin 22 is arranged on the pin shaft 211.

[0035] Further, the lifting pin 22 is provided with two, which can realize stable removal of the flywheel piece 70 after being connected with two locking holes on the flywheel piece 70.

[0036] In addition, the fixing plate 21 is provided with a buffer 25, which can avoid the lifting pin 22 from excessively extending into the locking hole of the flywheel piece 70 and causing damage to the flywheel piece.

[0037] In another embodiment of the present application, the hoisting mechanism further comprises a counterweight part 60, the counterweight part 60 comprises a counterweight block 61, a guide wheel 62 and a chain rope 63, the guide wheel 62 is arranged on the upper end of the vertical rod 10, the chain rope 63 is arranged on the guide wheel 62, and the two ends are respectively connected with the sliding plate 32 and the counterweight block 61 downward, and the setting of the counterweight part 60 can realize more stable movement and positioning of the positioning frame 40.

[0038] In addition, the vertical rod 10 is provided with a second guide rail pair 600, and the counterweight block 61 is arranged on the second guide rail pair 600, so as to ensure the vertical and stable movement of the counterweight block 61.

[0039] The lower end of the vertical rod 10 is further provided with a limiting plate 12 which can be used to block the sliding plate 32 and the counterweight block 61, so as to form the bottommost limiting.

[0040] Preferably, the positioning frame 40 is further provided with an auxiliary support, which comprises a gas cylinder 421 and a supporting roller 422. The gas cylinder 421 is arranged on the positioning frame 40, and the supporting roller 422 is hinged to the positioning frame 40 and connected to the output end of the gas cylinder 421. The supporting roller 422 can abut against the flywheel housing 80 when being driven to a vertical state. During the process of translating the entire hoisting mechanism by the switch on the operating handle 50, the supporting roller 422 can be driven by the gas cylinder 421 to abut against the flywheel housing 80. The stable movement of the entire hoisting mechanism can be ensured by the supporting and rolling effects of the supporting roller 422, so that the positioning column 41 is stably nested and positioned in the positioning hole on the flywheel housing 80.

[0041] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without departing from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A hoisting mechanism, characterized in that, include: The upright pole has a lifting ring at its upper end. The clamp includes a fixed plate, lifting pins, and a drive cylinder. The fixed plate is disposed at the lower end of the upright. At least two lifting pins are disposed on the fixed plate for removing the flywheel component. The drive cylinder is disposed on the fixed plate, and its output end is provided with a pressure head. The pressure head is driven to abut against the lifting pins. The lifting assembly includes a first guide rail pair and a sliding plate, the first guide rail pair being disposed on the upright, and the sliding plate being disposed on the first guide rail pair. A positioning frame is mounted on the slide plate and is provided with positioning posts for positioning with the flywheel housing. A grip, which is mounted on the positioning frame.

2. The hoisting mechanism according to claim 1, characterized in that, The fixing plate is provided with a pin, and the lifting pin is set on the pin.

3. The hoisting mechanism according to claim 1 or 2, characterized in that, Two lifting pins are provided, and an auxiliary positioning pin is also provided on the fixing plate next to the line connecting the two lifting pins.

4. The hoisting mechanism according to claim 1, characterized in that, The lifting pin is a threaded lifting pin.

5. The hoisting mechanism according to claim 1, characterized in that, The fixed plate is equipped with a buffer.

6. The hoisting mechanism according to claim 1, characterized in that, It also includes a counterweight, which includes a counterweight block, a guide wheel, and a chain. The guide wheel is located at the upper end of the upright, and the chain is located on the guide wheel with both ends pointing downwards and connected to the slide plate and the counterweight block, respectively.

7. The hoisting mechanism according to claim 6, characterized in that, Two guide wheels and two chain ropes are provided.

8. The hoisting mechanism according to claim 6 or 7, characterized in that, The upright is provided with a second guide rail pair, and the counterweight is set on the second guide rail pair.

9. The hoisting mechanism according to claim 1, characterized in that, The lower end of the upright is provided with a limiting plate to block the sliding plate and the counterweight.

10. The hoisting mechanism according to claim 1, characterized in that, The positioning frame is provided with an auxiliary support component, which includes a cylinder and a support roller. The cylinder is disposed on the positioning frame, and the support roller is hinged to the positioning frame and connected to the output end of the cylinder. The support roller is driven to abut against the flywheel housing.

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