Clamp convenient for hoisting generator stators with different sizes

Abstract

The utility model discloses a clamp convenient for hoisting generator stators of different sizes, which comprises a bearing plate, two clamping pieces are arranged below the bearing plate, two groups of sliding blocks are respectively and fixedly arranged at the tops of the two clamping pieces, two groups of through grooves matched with the sliding blocks are arranged at the top of the bearing plate, and the two groups of through grooves are matched with the sliding blocks. The bearing plate, the sliding blocks, the mounting plate, the adjusting assembly and the clamping pieces are arranged to be used in cooperation, the distance between the two clamping pieces is adjusted, and therefore generator stators of different sizes can be clamped and positioned, the clamp does not need to be frequently replaced, and the working efficiency is improved. And in addition, through grooves are formed in the bearing plate and cooperatively used with the sliding blocks, the effect of limiting the moving ends of the adjusting assemblies is achieved, the moving ends of the adjusting assemblies move more stably when the clamping pieces are driven to operate, and the using stability and safety of the hoisting clamp are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of generator stator hoisting, in particular to a clamp for hoisting generator stators of different sizes. Background Art

[0002] In a generator, the stator is usually used to generate a rotating magnetic field. The stator is mainly composed of three parts: the stator core, the stator winding and the frame. The stator core is usually made of high-quality silicon steel sheets stacked together to reduce iron loss and hysteresis loss. The stator winding is wound on the stator core according to a specific electromagnetic design to form a magnetic field and realize the conversion of mechanical energy into electrical energy. In the electric power industry, the generator stator is one of the core components of the generator, and its importance is self-evident. The hoisting operation of the generator stator is an important link in the maintenance, replacement and installation of the generator, and is of great significance to ensure the normal operation of the generator and extend its service life.

[0003] However, due to the large differences in the sizes of generator stators, traditional lifting fixtures often need to be replaced frequently when clamping generator stators of different sizes, which increases the difficulty and time cost of the operation. Therefore, we need to propose a lifting fixture that is convenient for generator stators of different sizes. Utility Model Content

[0004] The utility model aims to provide a hoisting clamp for generator stators of different sizes, aiming to solve the problem in the prior art that the hoisting clamp often needs to be replaced frequently when clamping generator stators of different sizes, which increases the difficulty of operation and time cost.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A clamp for hoisting generator stators of different sizes, comprising a load-bearing plate, two clamping members are arranged below the load-bearing plate, two groups of sliders are fixedly installed on the tops of the two clamping members, two groups of through grooves matching the sliders are opened on the top of the load-bearing plate, the two groups of sliders are slidably connected to the insides of the two groups of through grooves, two mounting plates are fixedly installed on the top of the load-bearing plate, adjustment components for adjusting the distance between the two clamping members are arranged on opposite sides of the two mounting plates, and the tops of the two groups of sliders are respectively connected to the two movable ends of the adjustment components.

[0007] Preferably, the adjustment assembly includes a worm, both ends of which are rotatably mounted on opposite side walls of two mounting plates, one end of the worm passes through one of the mounting plates and is connected to a drive motor, a worm wheel is meshed at the bottom of the worm, and a bidirectional screw is fixedly inserted inside the worm wheel.

[0008] Preferably, it further comprises two translation plates, both of which are threadedly connected to the outer wall of the bidirectional screw rod, and the tops of the two groups of sliders are respectively fixedly connected to the bottoms of the two translation plates.

[0009] Preferably, two rotating seats are fixedly mounted on the top of the bearing plate, and both ends of the bidirectional screw rod are rotatably mounted on the side walls on opposite sides of the two rotating seats.

[0010] Preferably, the drive motor is fixedly mounted on a side wall of one of the mounting plates, and one end of the output shaft of the drive motor is fixedly connected to one end of the worm.

[0011] Preferably, four fixing seats are symmetrically fixedly installed on the top of the bearing plate, the tops of the four fixing seats are respectively fixedly connected with connecting rods, and the top ends of the four connecting rods are fixedly connected with positioning plates.

[0012] Preferably, it also includes a lifting ring, which is fixedly installed on the top of the positioning plate.

[0013] Preferably, the two clamping members are both arranged in an arc shape, and a plurality of groups of notch grooves are formed on the outer walls of the two clamping members.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model sets a load-bearing plate, a slider, a mounting plate, an adjustment component and a clamping piece for coordinated use, and adjusts the distance between the two clamping pieces so that generator stators of different sizes can be clamped and positioned without frequent replacement of the clamps, which is beneficial to reducing the difficulty of operation and time cost. In addition, by providing a through groove on the load-bearing plate and using it in conjunction with the slider, the moving end of the adjustment component is limited, so that its operation drives the movement of the clamping piece more stably during operation, which is beneficial to improving the stability and safety of the use of the lifting clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the shaft side of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the adjusting assembly and the clamping member of the utility model.

[0019] In the figure: 1. load-bearing plate; 2. clamping member; 3. slider; 4. through slot; 5. mounting plate; 6. adjustment assembly; 601. worm; 602. drive motor; 603. worm wheel; 604. translation plate; 605. bidirectional screw; 7. rotating seat; 8. fixed seat; 9. connecting rod; 10. positioning plate; 11. lifting ring; 12. notch slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 , the utility model provides a technical solution:

[0022] The utility model discloses a kind of generator stator hoisting fixture convenient for different sizes, comprising a bearing plate 1, two clamping members 2 are arranged under the bearing plate 1, two groups of slide blocks 3 are fixedly installed on the top of the two clamping members 2, two groups of through grooves 4 adapted to the slide blocks 3 are opened on the top of the bearing plate 1, the two groups of slide blocks 3 are slidably connected to the inside of the two groups of through grooves 4, two mounting plates 5 are fixedly installed on the top of the bearing plate 1, and an adjusting assembly 6 for adjusting the distance between the two clamping members 2 is arranged on the opposite side of the two mounting plates 5, and the top of the two groups of slide blocks 3 is respectively connected to the two moving ends of the adjusting assembly 6. The utility model can clamp and position the generator stators of different sizes by adjusting the distance between the two clamping members 2, without frequently replacing the clamp, which is conducive to reducing the difficulty and time cost of operation. In addition, by opening the through groove 4 on the bearing plate 1 and cooperating with the slide block 3, the moving end of the adjusting assembly 6 is limited, so that the movement of the clamping member 2 is more stable when it is running, which is conducive to improving the stability and safety of the use of the hoisting fixture.

[0023] The adjustment assembly 6 includes a worm 601, both ends of which are rotatably mounted on the side walls of the two mounting plates 5 on opposite sides, one end of the worm 601 passes through one of the mounting plates 5 and is connected to a drive motor 602, a worm wheel 603 is meshed at the bottom of the worm 601, and a bidirectional screw 605 is fixedly inserted inside the worm wheel 603;

[0024] It also includes two translation plates 604, both of which are threadedly connected to the outer wall of the bidirectional screw rod 605, and the tops of the two sets of sliders 3 are respectively fixedly connected to the bottoms of the two translation plates 604, and the translation plates 604 serve as the moving ends of the adjustment assembly 6;

[0025] Specifically, the output shaft of the driving motor 602 drives the worm 601 to rotate in the forward or reverse direction, thereby driving the worm wheel 603 to rotate, and then driving the bidirectional screw rod 605 to rotate, thereby driving the two translation plates 604 to move along the axial direction of the bidirectional screw rod 605, so that the distance between the two clamping members 2 can be adjusted by the slider 3, so as to achieve the effect of clamping and positioning the generator stators of different sizes, without the need to frequently replace the clamp, which is conducive to reducing the difficulty and time cost of the operation;

[0026] Two rotating seats 7 are fixedly installed on the top of the bearing plate 1, and the two ends of the bidirectional screw rod 605 are rotatably installed on the side walls of the two rotating seats 7 on opposite sides. By setting the rotating seats 7, the bidirectional screw rod 605 is supported and positioned;

[0027] The driving motor 602 is fixedly mounted on a side wall of one of the mounting plates 5, one end of the output shaft of the driving motor 602 is fixedly connected to one end of the worm 601, and the driving motor 602 is configured as a forward and reverse stepping motor;

[0028] The top of the bearing plate 1 is symmetrically fixed with four fixing seats 8, the tops of the four fixing seats 8 are respectively fixedly connected with connecting rods 9, the tops of the four connecting rods 9 are fixedly connected with positioning plates 10, and also includes a lifting ring 11, which is fixedly installed on the top of the positioning plate 10. By setting the fixing seat 8, the connecting rod 9 and the lifting ring, the output end of the lifting device (not shown in the figure) can be connected to the lifting ring, so that the generator stator clamped and positioned can be hoisted;

[0029] Both clamping members 2 are arranged in an arc shape. The arc-shaped clamping member 2 design can better adapt to generator stators of different sizes, and a plurality of groups of notched grooves 12 are provided on the outer walls of the two clamping members 2. The notched grooves 12 arranged at equal intervals can provide multiple fixing points when clamping the generator stator, thereby increasing the stability and firmness of the clamping. These notched grooves 12 can cooperate with other fixing devices or ropes to firmly fix the stator on the clamp to prevent sliding or falling off during the lifting process, which is conducive to further improving the safety of the lifting clamp.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for hoisting generator stators of different sizes, comprising a bearing plate (1), characterized in that: Two clamping members (2) are arranged below the carrier plate (1), and two groups of sliders (3) are fixedly installed on the tops of the two clamping members (2), respectively. Two groups of through grooves (4) matching the sliders (3) are opened on the top of the carrier plate (1), and the two groups of sliders (3) are slidably connected to the insides of the two groups of through grooves (4), respectively. Two mounting plates (5) are fixedly installed on the top of the carrier plate (1), and adjustment components (6) for adjusting the distance between the two clamping members (2) are arranged on opposite sides of the two mounting plates (5), and the tops of the two groups of sliders (3) are respectively connected to the two movable ends of the adjustment component (6).

2. A fixture for hoisting generator stators of different sizes according to claim 1, characterized in that: The adjusting assembly (6) comprises a worm (601), the two ends of the worm (601) are rotatably mounted on the side walls of the two mounting plates (5) on opposite sides respectively, one end of the worm (601) passes through one of the mounting plates (5) and is connected to a driving motor (602), the bottom of the worm (601) is meshed with a worm wheel (603), and a bidirectional screw rod (605) is fixedly inserted inside the worm wheel (603).

3. A fixture for hoisting generator stators of different sizes according to claim 2, characterized in that: It also includes two translation plates (604), both of which are threadedly connected to the outer wall of the bidirectional screw rod (605), and the tops of the two groups of sliders (3) are respectively fixedly connected to the bottoms of the two translation plates (604).

4. The fixture for hoisting generator stators of different sizes according to claim 3 is characterized in that: Two rotating seats (7) are fixedly mounted on the top of the bearing plate (1), and the two ends of the bidirectional screw rod (605) are respectively rotatably mounted on the side walls of the two rotating seats (7) on opposite sides.

5. The fixture for hoisting generator stators of different sizes according to claim 4 is characterized in that: The driving motor (602) is fixedly mounted on a side wall of one of the mounting plates (5), and one end of the output shaft of the driving motor (602) is fixedly connected to one end of the worm (601).

6. The fixture for hoisting generator stators of different sizes according to claim 1, characterized in that: Four fixing seats (8) are symmetrically fixedly installed on the top of the bearing plate (1), the tops of the four fixing seats (8) are respectively fixedly connected to connecting rods (9), and the tops of the four connecting rods (9) are fixedly connected to positioning plates (10).

7. The fixture for hoisting generator stators of different sizes according to claim 6, characterized in that: It also comprises a lifting ring (11), wherein the lifting ring (11) is fixedly mounted on the top of the positioning plate (10).

8. The fixture for hoisting generator stators of different sizes according to claim 1, characterized in that: The two clamping members (2) are both arranged in an arc shape, and a plurality of groups of notch grooves (12) are provided on the outer walls of the two clamping members (2).

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