CN202780427U - Flywheel detaching device - Google Patents

Abstract

The flywheel removal device includes a bracket, a hydraulic cylinder and a dismantling pull rod mechanism. The cylinder body of the hydraulic cylinder is connected to the upper end of the bracket, and the piston head of the hydraulic cylinder is connected with a plug; the dismantling rod mechanism includes a pull rod frame hinged with the cylinder body of the hydraulic cylinder, A pair of pull rods; the left and right ends of the pull rod frame are respectively provided with a pull rod connecting hole adapted to the pull rod. The pull rod is made of a screw rod. They are respectively located on both sides of the pull rod frame. The front head of the pull rod is in the shape of a tapered front end with a large front and a small rear. Between the front end of the pull rod and the front side of the pull rod frame, there are expansion sleeves and expansion sleeve expansion nuts in sequence. The rear end of the pull rod There is a tie rod positioning nut. The utility model relates to a flywheel dismantling device for large-scale presses, shearing machines and other equipment, and has the advantages that the maintenance and disassembly operation of the flywheel is simple, labor-saving and labor-saving, and the flywheel maintenance and disassembly efficiency is high.

Description

Flywheel removal device

technical field

The utility model relates to a machine tool disassembly technology, in particular to a flywheel disassembly device for large-scale presses, shearing machines and other equipment.

Background technique

The timely maintenance of large equipment such as presses and shears in the automobile manufacturing process is an important guarantee for normal production. The flywheels of large-scale equipment such as presses and shears are heavy and have a small maintenance space. Tools such as crowbars are usually used to disassemble them when they need to be repaired and replaced. The maintenance and disassembly of flywheels is cumbersome and requires multiple people to work at the same time, so it is labor-intensive and time-consuming. It is laborious, and the maintenance efficiency and safety are low, which affects the normal production and utilization rate of the equipment.

Contents of the invention

The main purpose of the invention of the utility model is to provide a flywheel dismantling device with high maintenance and disassembly efficiency and labor saving. ``

The technical scheme used in the utility model is: a flywheel dismounting device, including a bracket and a hydraulic cylinder, characterized in that: the cylinder body of the hydraulic cylinder is connected to the upper end of the bracket, and the piston head of the hydraulic cylinder is connected with a The top of the flywheel dismounting device also includes a dismounting pull rod mechanism, and the dismounting pull rod mechanism includes a pull rod frame hinged with the cylinder body of the hydraulic cylinder and a pair of pull rods; the left and right ends of the pull rod frame are respectively provided with a The tie rods are screw parts, and the two tie rods pass through the two tie rod connection holes on the tie rod frame respectively. The front and rear ends of the tie rods are respectively located on the front and rear sides of the tie rod frame. Small conical shape, between the front end of the pull rod and the front side of the pull rod frame, an expansion sleeve and an expansion sleeve expansion nut are arranged successively, and the rear end of the pull rod is provided with a pull rod positioning nut.

When in use, first put the plug on the free end surface of the flywheel shaft, turn the tie rod holder so that the two tie rods are respectively aligned with the two process holes on the flywheel, and let the tapered heads of the front ends of the two tie rods extend into the flywheel In the corresponding process hole, turn the expansion nut of the expansion sleeve to push the front end of the expansion sleeve to the tapered head of the front end of the tie rod. The pull rod set nut knob moves forward until the front side of the pull bar set nut and the rear side of the pull rod frame are tightly attached together. After the above work is completed, connect the hydraulic cylinder and the hydraulic pump, start the hydraulic pump and fill the hydraulic cylinder with pressure oil to push the piston of the hydraulic rod forward. Due to the obstruction of the flywheel shaft, the head of the piston cannot move forward. In this way, only the cylinder body of the hydraulic cylinder moves back (ie away from the direction of the flywheel shaft) with the support, pull rod frame and pull rod, thereby pulling the flywheel back until the flywheel is separated from the flywheel shaft. The maintenance and disassembly of the flywheel is carried out by the utility model, the operation method is simple, labor and labor are saved, and the efficiency of the maintenance and disassembly of the flywheel is high.

Preferably, the connecting hole of the tie rod is an oblong hole, so that on the one hand it is convenient to adjust the distance between the two tie rods to adapt to the size of the flywheel, and at the same time it is convenient to adjust the relative angle between the tie rod and the flywheel, so that the front end of the tie rod can smoothly extend into the process hole of the flywheel. Improve the connection efficiency of tie rod and flywheel. Further, the pull rod is composed of a pull rod front end, a pull rod rear end and a pull rod connecting sleeve. The front and rear ends of the pull rod connecting sleeve are respectively connected to the rear end of the pull rod front end and the front end of the pull rod rear end. The expansion nut of the expansion sleeve is located on the front side of the tie rod connection sleeve; the head is threaded with the piston head of the hydraulic cylinder; the bracket is composed of a bottom plate, a lifting support rod, a support sleeve and a lifting adjustment nut; the lower end of the support sleeve is fixedly connected with the bottom plate, The lifting adjustment nut and the supporting sleeve are hinged on the upper end of the supporting sleeve, the screw hole of the lifting adjusting nut is coaxial with the inner hole of the supporting sleeve, the lower end of the lifting support rod is threadedly connected with the screw hole of the lifting adjusting nut and extends into the supporting sleeve The inner hole of the hydraulic cylinder and the upper end of the support are connected to the upper end of the lifting support rod. Like this, just can adapt to the needs of the repairing and dismounting operation of the flywheel of different specifications by changing the front end of the pull rod, the plug, and adjusting the height of the lifting support rod, and also facilitates the maintenance and repair of the utility model itself.

Preferably, the cylinder body of the hydraulic cylinder is hingedly connected to the upper end of the bracket. In this preferred solution, when storing and moving, the hydraulic rod and the pull rod can be turned to a roughly vertical position. The utility model occupies a small space and is convenient for storing, storing and moving.

To sum up, the beneficial effects brought by the utility model are: the maintenance and disassembly operation of the flywheel is simple, labor-saving and labor-saving, and the efficiency of flywheel maintenance and disassembly is high. The utility model has reasonable structure and is easy to store, store, move and maintain.

Description of drawings

Fig. 1 is a kind of structural representation of the utility model;

Fig. 2 is a schematic diagram of a connection structure of the pull rod and the pull rod frame of the present utility model;

Fig. 3 is a kind of structural representation of support of the utility model;

Fig. 4 is a schematic diagram of the storage and storage state of the utility model.

Detailed ways

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

As shown in Fig. 1, Fig. 2 and Fig. 3, the utility model comprises a support 1, a hydraulic cylinder 2 and a pulling rod dismounting mechanism. Wherein the bracket 1 is composed of a base plate 1.1, a lift support rod 1.2, a support sleeve 1.3 and a lift adjustment nut 1.4; the base plate 1.1 is provided with casters not shown in the figure, and the lower end of the support sleeve 1.3 is fixedly connected with the base plate 1.1, and the support sleeve There is a ring groove on the side of the upper end of the cylinder 1.3. The lifting adjustment nut 1.4 is composed of two petals that are joined together. The lower end of the lifting adjustment nut 1.4 is sleeved on the upper end of the supporting sleeve 1.3. A protruding ring adapted to the ring groove clearance provided on the side of the upper end of the sleeve 1.3, the lifting adjustment nut 1.4 and the support sleeve 1.3 are hinged on the upper end of the support sleeve 1.3, the screw hole of the lift adjustment nut 1.4 and the support sleeve 1.3 The inner hole is coaxial, and the lower end of the lifting support rod 1.2 is threadedly connected with the screw hole of the lifting adjustment nut 1.4 and extends into the inner hole of the supporting sleeve 1.3, so that the height of the lifting support rod 1.2 can be adjusted by turning the lifting adjustment nut 1.4 to adapt to the flywheel The hydraulic cylinder 2 is provided with a pressure oil inlet pipe 2.1 for communicating with the manual hydraulic pump and an oil outlet pipe 2.2 for draining and exhausting, and the cylinder body of the hydraulic cylinder 2 passes through the hydraulic cylinder mounting bracket 2.3 It is connected to the upper end of the support 1 (the upper end of the lifting support rod 1.2 of this embodiment); the cylinder body of the hydraulic cylinder 2 of this embodiment is hingedly connected to the upper end of the support 1 through the hydraulic cylinder mounting bracket 2.3, so that it can be used for storage, storage and movement. The space occupied by the utility model can be reduced (as shown in Figure 4), and the utility model is convenient for storage, storage and movement; the piston head of the hydraulic cylinder 2 is connected with a plug 3 adapted to the shaft hole of the flywheel, and the front end of the plug extends into the The hole of the flywheel shaft is on the end surface of the flywheel shaft. In this embodiment, the plug 3 is threadedly connected to the piston head of the hydraulic cylinder, which is reliable in connection and easy to disassemble. 4.1. A pair of pull rods 4.2; the left and right ends of the pull rod frame 4.1 are respectively provided with a pull rod connecting hole 4.1.1 adapted to the pull rod 4.2, the pull rod 4.2 is a screw part, and the two pull rods 4.2 pass through the pull rod frame 4.1 respectively The two pull rod connecting holes 4.1.1, the front and rear ends of the pull rod 4.2 are respectively located on the front and rear sides of the pull rod frame 4.1, the front head of the pull rod 4.2 is tapered with a large front and a small rear, and the front end of the pull rod 4.2 is in the same shape as the pull rod frame 4.1. An expansion sleeve 4.3 and an expansion sleeve expansion nut 4.4 are arranged successively between the front sides of the pull rod, and the rear end of the pull rod 4.2 is provided with a pull rod positioning nut 4.5. As a preference, the pull rod 4.2 in this embodiment is composed of the pull rod front end 4.2.1, the pull rod rear end 4.2.2 and the pull rod connecting sleeve 4.2.3, the front and rear ends of the pull rod connecting sleeve 4.2.3 are respectively connected with the rear end of the pull rod front end 4.2.1 and the The rear end of the tie rod 4.2.2 is connected to the front end (this embodiment is all threaded connection, but can also be connected by clamping and pin shaft), the tie rod connecting sleeve 4.2.3 is located on the front side of the tie rod frame, the expansion sleeve 4.3 and the expansion sleeve expansion nut 4.4 is located on the front side of the tie rod connecting sleeve 4.2.3, which is convenient to adapt to the change of the flywheel specification by replacing the corresponding tie rod front end 4.2.1, which can reduce the number of specifications for the processing and manufacturing of the tie rod, reduce the processing and manufacturing cost, and facilitate this practical The new type of maintenance reduces the maintenance cost of the utility model; as a preference, the tie rod connecting hole 4.1. The angle between the tie rod and the flywheel is adjusted so that the tapered head at the front end of the tie rod can extend into the process hole of the flywheel, so that even if the bracket position is not right at the beginning, the tie rod and the flywheel can be connected easily, thereby reducing formalities. The preparation work time before disassembly improves the disassembly work efficiency of the flywheel.

The specific embodiments described above are only preferred implementation modes of the present utility model, and are not intended to limit the specific implementation scope of the present utility model. For example, as shown in Fig. 1 and Fig. 2, it is also possible to add a positioning slider 4.6 adapted to the rear end 4.2 of the pull rod between the pull rod positioning nut 4.5 and the pull rod bracket 4.1 as a preference, so as to improve the reliability of the utility model ; As preferably, also can be between the front end of base plate 1.1 and pull bar front end, add anti-rollover strut not shown in the figure or add anti-rollover pull bar between pull bar rear end and base plate rear end, like this between flywheel and When the flywheel shaft is completely detached, the utility model can be used as a carrying tool to move the flywheel to a suitable position and then unloaded, which is conducive to further improving the safety and efficiency of the flywheel disassembly operation. In a word, all equivalent changes made according to the shape and structure of the utility model should be included in the protection scope of the utility model.

Claims (6)

1. a flywheel dismounting device comprises support, hydraulic cylinder, it is characterized in that: the cylinder body of hydraulic cylinder (2) links to each other with the upper end of support (1), and the piston crown of hydraulic cylinder (2) is connected with the top adaptive with the flywheel axis hole (3); Described flywheel dismounting device also includes the dismounting drag link mechanism, and described dismounting drag link mechanism comprises the pulling-rod frame (4.1) hinged with the cylinder body of hydraulic cylinder (2), a pair of pull bar (4.2); The two ends, the left and right sides of pulling-rod frame (4.1) are respectively equipped with a pull bar connecting hole (4.1.1) adaptive with pull bar (4.2), pull bar (4.2) is the screw mandrel product, two pull bars (4.2) pass respectively two the pull bar connecting holes (4.1.1) on the pulling-rod frame (4.1), the front and back end of pull bar (4.2) lays respectively at the both sides, front and back of pulling-rod frame (4.1), the front end head of pull bar (4.2) is pre-large post-small taper, be provided with successively expansion sleeve (4.3) between the front side of the front end head of pull bar (4.2) and pulling-rod frame (4.1), expansion sleeve expansion nut (4.4), the rear end of pull bar (4.2) is provided with draw rod positioning nut (4.5).

2. flywheel dismounting device according to claim 1, it is characterized in that: pull bar connecting hole (4.1.1) is slotted hole.

3. flywheel dismounting device according to claim 1, it is characterized in that: pull bar (4.2) is comprised of pull bar front end (4.2.1), back end of tie rod (4.2.2) and pull bar adapter sleeve (4.2.3); The front and back end of pull bar adapter sleeve (4.2.3) links to each other with the rear end of pull bar front end (4.2.1) and the front end of back end of tie rod (4.2.2) respectively, pull bar adapter sleeve (4.2.3) is positioned at the front side of pulling-rod frame, and expansion sleeve (4.3) and expansion sleeve expansion nut (4.4) are positioned at the front side of pull bar adapter sleeve (4.2.3).

4. flywheel dismounting device according to claim 1 is characterized in that: the piston crown of top (3) and hydraulic cylinder is threaded.

5. flywheel dismounting device according to claim 1, it is characterized in that: support (1) is comprised of base plate (1.1), lift supporting rod (1.2), stop sleeve (1.3) and lift adjustment nut (1.4); The lower end of stop sleeve (1.3) and base plate (1.1) are connected, lift adjustment nut (1.4) and stop sleeve (1.3) are articulated in the upper end of stop sleeve (1.3), the screw of lift adjustment nut (1.4) is coaxial with the endoporus of stop sleeve (1.3), the screw of lift supporting rod (1.2) lower end and lift adjustment nut (1.4) is threaded and stretches into the endoporus of stop sleeve (1.3), and the upper end of the cylinder body of hydraulic cylinder (2) and support (1) is connected in the upper end of lift supporting rod (1.2).

6. according to claim 1 to 5 each described flywheel dismounting devices, it is characterized in that: it is to be hinged and connected that the upper end of the cylinder body of hydraulic cylinder (2) and support (1) links to each other.

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