CN219854447U - Clamping mechanism and supporting device - Google Patents

Abstract

The utility model relates to the technical field of maintenance of a main shaft of a water turbine, in particular to a clamping mechanism and a supporting device. The clamping assembly comprises a clamping plate, a supporting plate clamped in the clamping plate and a first rotating rod fixedly connected to the outer wall of the supporting plate; and the installation component comprises a sliding block movably arranged on the outer wall of the clamping plate and a clamping block movably arranged in the clamping plate, so that the clamping and fixing of the main shaft can be realized, the installation is convenient, and the clamping and fixing of the main shaft with different sizes can be realized by replacing different clamping plates according to the main shafts with different sizes. Through setting up supporting component, including fixed locating the roof of box outer wall, locating the outer third bull stick of roof, locate the outer fourth bull stick of roof with locate the outer bottom plate of roof can realize adjusting the main shaft height when installing the main shaft, the installation of the main shaft of being convenient for.

Description

Clamping mechanism and supporting device

Technical Field

The utility model relates to the technical field of maintenance of a main shaft of a water turbine, in particular to a clamping mechanism and a supporting device.

Background

The main shaft of the water turbine is electric power, hydraulic machinery and auxiliary equipment, and the rotating wheel of the water turbine is connected with the rotor of the generator to transmit torque. The water turbine is a power machine that converts energy of water flow into rotational mechanical energy.

The current hydraulic turbine main shaft needs to be in butt joint installation with the flange in main shaft and the generating set in the installation, and the installation mode in prior art can't be to carrying out effectual fixing to the main shaft, needs a clamp fixture to fix the hydraulic turbine main shaft from this, makes it can be more convenient in the installation, and needs to aim at flange interface with the main shaft in the installation to need carry out the regulation on the height to the main shaft to conveniently aim at flange interface.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above or the problem in the prior art that the spindle mounting process needs to be fixed.

It is therefore an object of the present utility model to provide a clamping mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: the clamping assembly comprises a clamping plate, a supporting plate clamped in the clamping plate and a first rotating rod fixedly connected to the outer wall of the supporting plate; and the installation assembly comprises a sliding block movably arranged on the outer wall of the clamping plate and a clamping block movably arranged in the clamping plate.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the first rotating block is fixedly connected to the end face of the first rotating rod and is rotatably connected in the box body, and a rotating groove which can be movably matched with the first rotating rod is formed in the outer wall of the box body.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the U-shaped groove is formed in the end face of the first rotating block, a transmission nut is movably connected in the U-shaped groove, a transmission screw is movably connected in the transmission nut, and a transmission gear is fixedly connected at one end, far away from the transmission nut, of the transmission screw.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the transmission gear is externally meshed with a driven gear, and the end face of the driven gear is fixedly connected with a driven rod.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the driven rod is movably connected in the box body, the other end of the driven rod extends out of the box body, a belt is movably connected to the outer wall of the driven rod, and a driving rod is movably connected in the belt.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the sliding groove which is movably matched with the sliding block is formed in the outer wall of the clamping plate, the end face of the sliding block is fixedly connected with a first compression spring, and the outer wall of the sliding block is rotatably connected with a second rotating rod.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the other end of the second rotating rod is movably connected with the clamping block, and the end face of the clamping block is fixedly connected with a second compression spring.

The clamping mechanism has the beneficial effects that: according to the hydraulic turbine main shaft clamping device, the clamping plates are arranged, when the motor is started to enable the first rotating rod to rotate to drive the clamping plates to rotate to the proper positions, the hydraulic turbine main shaft can be clamped through the arrangement of the two clamping plates, so that the main shaft is more stably installed, the clamping plates can be rapidly disassembled through the arrangement of the installation assembly, and the clamping plates with different sizes can be replaced to clamp the main shafts with different sizes.

In view of the fact that during actual use, the spindle height needs to be adjusted during reinstallation of the spindle.

In order to solve the technical problems, the utility model also provides the following technical scheme: the support assembly comprises a top plate, a third rotating rod arranged outside the top plate, a fourth rotating rod arranged outside the top plate and a bottom plate arranged outside the top plate.

As a preferred embodiment of the support device of the present utility model, wherein: the novel movable lifting device is characterized in that a first long rod is fixedly arranged in the top plate, the outer wall of the first long rod is movably connected with a hinge block, the hinge block is hinged with a third rotating rod, one end of a fourth rotating rod is hinged with the top plate, and the other end of the fourth rotating rod is hinged with a moving block.

As a preferred embodiment of the support device of the present utility model, wherein: the bottom plate internal fixation be equipped with the second stock with movable block swing joint, the bottom plate internal fixation is equipped with the motor, the motor external connection has the lead screw, lead screw outer wall clearance fit's lead screw nut, lead screw nut with movable block fixed connection.

The supporting device has the beneficial effects that: through setting up the click, can drive strutting arrangement's rising and decline simultaneously when the motor starts to drive the lead screw rotation to height when can adjusting the main shaft installation, the next step installation of main shaft of being convenient for.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall schematic view of a clamping mechanism and a supporting device.

Fig. 2 is a schematic diagram of the internal structure of the clamping mechanism.

Fig. 3 is a schematic view of a part of the structure of the clamping mechanism.

Fig. 4 is a partial cross-sectional view of the mounting assembly.

Fig. 5 is a side view of the clamping mechanism and the support device.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1-2, a clamping mechanism is provided for a first embodiment of the present utility model, which can achieve a clamping and fixing effect on a spindle.

Specifically, the clamping assembly 100 comprises a clamping plate 101, a supporting plate 102 clamped in the clamping plate 101 and a first rotating rod 103 fixedly connected to the outer wall of the supporting plate 102; and the installation assembly 200 comprises a sliding block 201 movably arranged on the outer wall of the clamping plate 101 and a clamping block 202 movably arranged in the clamping plate 101. The end face of the first rotating rod 103 is fixedly connected with a first rotating block 104, the first rotating block 104 is rotatably connected in the box body 105, and a rotating groove 105a which can be movably matched with the first rotating rod 103 is formed in the outer wall of the box body 105. The end face of the first rotating block 104 is provided with a U-shaped groove 104a, a transmission nut 106 is movably connected in the U-shaped groove 104a, a transmission screw 106a is movably connected in the transmission nut 106, and one end, far away from the transmission nut 106, of the transmission screw 106a is fixedly connected with a transmission gear 106a-1. The driving gear 106a-1 is externally meshed with a driven gear 107, and the end surface of the driven gear 107 is fixedly connected with a driven rod 107a. The driven rod 107a is movably connected in the box 105, the other end of the driven rod 107a extends out of the box 105, a belt 108 is movably connected to the outer wall of the driven rod 107a, and a driving rod 109 is movably connected in the belt 108.

The lower half part of the clamping assembly 100 is positioned in the upper plate 301, the clamping assemblies 100 are 2 groups, each group of clamping assemblies 100 comprises 2 first rotating rods 105, the two first rotating rods 104 are connected together through a U-shaped groove 104a of the driving nut 106, the two first rotating rods 104 are all rotationally connected into the upper plate 301 and can rotate in the upper plate 301, the driving gear 106a-1 and the driven gear 107 are conical gears, the two groups of clamping assemblies 100 are sleeved on the driven rods 107a through a belt 108 and are connected together, one end of a driving rod 109 is connected with a motor as shown in the drawing, the driving rod 109 can drive the belt 108 to move when rotating, namely, when the motor is started, the 2 driven rods 107a in the 2 groups of clamping assemblies 100 can drive the driving nut 106 to move upwards and downwards when the driving screw 106 rotates, in order to ensure that the clamping plate 101 is uniformly stressed, the two first rotating rods 103 are fixedly connected to the outer wall of the first rotating rods 104, and the other rotating rod is connected to the outer wall of the upper plate 105 and the other rotating rod is not influenced by the rotation of the other first rotating rod 104.

In summary, when in use, firstly, the motor is started, the driving rod 109 is driven to rotate by clicking, the driven rod 107a is driven to rotate by the belt 108, power is transmitted to the driving screw 106a by the driving gear 106a-1 and the driven gear 107, the driving screw 106a drives the driving nut 106 to move along the U-shaped groove 104a and move downwards to displace, at the same time, the 2 first rotating blocks 104 are driven to rotate, because of the position of the 2 first rotating blocks 104, when the first rotating rod 103 fixedly connected to the rotating blocks rotates along the rotating groove 105a, the two clamping plates 101 are gathered towards the middle at the same time, when gathered to the proper position, the motor is turned off, so that the main shaft of the hydraulic turbine can be clamped and fixed, and the installation of the next step is facilitated.

Example 2

Referring to fig. 3 to 4, in a second embodiment of the present utility model, the clamping plate 101 is detachable, and clamping of spindles of different sizes can be achieved by replacing the clamping plate 101 when clamping the spindles of different sizes.

Specifically, the outer wall of the clamping plate 101 is provided with a chute 101a movably matched with the sliding block 201, the end surface of the sliding block 201 is fixedly connected with a first compression spring 204, and the outer wall of the sliding block 201 is rotatably connected with a second rotating rod 203. The other end of the second rotating rod 203 is movably connected with the clamping block 202, and the end face of the clamping block 202 is fixedly connected with a second compression spring 205.

Wherein, the installation component 200 is located inside splint 101, namely inside the outer wall of splint 101 shown in the figure, be equipped with installation component 200 simultaneously on its both sides on each splint 101, the better fixed of splint 101 of being convenient for has been seted up in the frame backup pad 102 can with fixture block 202 complex groove, the splint lower extreme cavity, the groove of seting up can with backup pad 102 joint, second compression spring 205 fixed connection's diaphragm can restrict slider 201 and only can carry out the slip of upper and lower direction, second bull stick 203 and horizontal version are not in the coplanar, second bull stick 203 can carry out the freedom and do not receive the influence at the rotation promptly.

In summary, when clamping the spindle with different sizes, the slider 201 is slid downwards, at this time, the first compression spring 204 compresses, the second rotating rod 202 rotates to drive the clamping block 202 to move towards the inside of the clamping plate 101, the second compression spring 205 is compressed, when the slider 201 moves downwards to a proper position, the clamping block 202 is completely separated from the supporting plate 102, at this time, the clamping plate 101 which is unsuitable for replacing different types of clamping plates 101 with spindles with different sizes can be replaced, when the spindle with different sizes is installed, the slider 201 is slid downwards, the clamping block 202 is first moved into the clamping plate 101, when the clamping block completely enters the inside of the supporting plate 102, the slider 201 is released, the clamping block 101 is slowly put down, and the clamping block 202 is automatically clamped into the supporting plate 102 under the action of the second compression spring 205, at this time, the replacement of the clamping plate 101 is completed.

Example 3

Referring to fig. 1 to 5, a third embodiment of the present utility model is different from the previous embodiment in that the present utility model provides a supporting device, which solves the problem that different heights need to be adjusted when the spindle is installed.

Specifically, the support assembly 300 includes a top plate 301 fixedly disposed on an outer wall of the housing 105, a third rotating rod 303 disposed outside the top plate 301, a fourth rotating rod 304 disposed outside the top plate 301, and a bottom plate 306 disposed outside the top plate 301. The roof 301 internal fixation is equipped with first stock 301a, and first stock 301a outer wall swing joint has articulated piece 302, and articulated piece 302 articulates with third bull stick 303, and fourth bull stick 304 one end articulates with roof 301, and the fourth bull stick 304 other end articulates there is movable block 305. The second long rod 306a is fixedly arranged in the bottom plate 306, the second long rod 306a is movably connected with the moving block 305, the motor 307 is fixedly arranged in the bottom plate 306, the screw rod 308 is connected to the outer side of the motor 307, the screw rod nut 309 is movably matched with the outer wall of the screw rod 308, and the screw rod nut 309 is fixedly connected with the moving block 305.

Wherein, for more stable adjustment of the height of the spindle, another group of third rotating rod 303 and fourth rotating rod 304 are arranged between the top plate 301 and the bottom plate 306, and the connection mode is the same as the above, and the screw nut 309 connects 2 fourth rotating rods 304, that is, the two fourth rotating rods 304 synchronously move when the transmission nut moves, and the lengths of the third rotating rod 303 and the fourth rotating rod 304 are the same.

In summary, when the height of the spindle is adjusted, the spindle is clamped and fixed in the above process, and not described in detail herein, now only the motor 307 is required to be started, the motor drives the screw rod 308 to rotate, the screw rod 308 rotates to drive the screw rod nut 309 to move, and the fourth rotating rod 304 is driven to rotate, and the right hinge point can be seen through the connection relation and is movable as shown in fig. 5, namely, when the screw rod nut 309 moves leftwards, the left side and the right side opposite corners between the third rotating rod 303 and the fourth rotating rod 304 are driven to slowly become larger, and because the left side junction points of the two rotating rods are fixed, when the screw rod nut 309 moves leftwards, the top plate slowly rises upwards, and when the top plate rises to a proper angle, the motor is closed, thus the adjustment of the height of the spindle is completed, the spindle is convenient for flanges with different heights, and the spindle is more convenient to install.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A fixture, characterized in that: comprising the steps of (a) a step of,

the clamping assembly (100) comprises a clamping plate (101), a supporting plate (102) clamped in the clamping plate (101) and a first rotating rod (103) fixedly connected to the outer wall of the supporting plate (102); the method comprises the steps of,

the mounting assembly (200) comprises a sliding block (201) movably arranged on the outer wall of the clamping plate (101) and a clamping block (202) movably arranged in the clamping plate (101).

2. The clamping mechanism as recited in claim 1, further characterized in that: the end face of the first rotating rod (103) is fixedly connected with a first rotating block (104), the first rotating block (104) is rotatably connected in the box body (105), and a rotating groove (105 a) which can be movably matched with the first rotating rod (103) is formed in the outer wall of the box body (105).

3. The clamping mechanism of claim 2, wherein: u-shaped grooves (104 a) are formed in the end faces of the first rotating blocks (104), transmission nuts (106) are movably connected in the U-shaped grooves (104 a), transmission screws (106 a) are movably connected in the transmission nuts (106), and transmission gears (106 a-1) are fixedly connected to one ends, far away from the transmission nuts (106), of the transmission screws (106 a).

4. A clamping mechanism according to claim 3, wherein: the transmission gear (106 a-1) is externally meshed with the driven gear (107), and the end face of the driven gear (107) is fixedly connected with the driven rod (107 a).

5. The clamping mechanism as set forth in claim 4, wherein: the driven rod (107 a) is movably connected in the box body (105), the other end of the driven rod (107 a) extends out of the box body (105), a belt (108) is movably connected to the outer wall of the driven rod (107 a), and a driving rod (109) is movably connected in the belt (108).

6. The clamping mechanism as recited in claim 5, wherein: the sliding block is characterized in that a sliding groove (101 a) which is movably matched with the sliding block (201) is formed in the outer wall of the clamping plate (101), a first compression spring (204) is fixedly connected to the end face of the sliding block (201), and a second rotating rod (203) is rotatably connected to the outer wall of the sliding block (201).

7. The clamping mechanism as recited in claim 6, wherein: the other end of the second rotating rod (203) is movably connected with the clamping block (202), and the end face of the clamping block (202) is fixedly connected with a second compression spring (205).

8. A support device, characterized in that: comprising a clamping mechanism according to any of claims 2 to 7, and,

the supporting assembly (300) comprises a top plate (301) fixedly arranged on the outer wall of the box body (105), a third rotating rod (303) arranged outside the top plate (301), a fourth rotating rod (304) arranged outside the top plate (301) and a bottom plate (306) arranged outside the top plate (301).

9. The support device of claim 8, wherein: the novel movable lifting device is characterized in that a first long rod (301 a) is fixedly arranged in the top plate (301), a hinge block (302) is movably connected to the outer wall of the first long rod (301 a), the hinge block (302) is hinged to the third rotating rod (303), one end of a fourth rotating rod (304) is hinged to the top plate (301), and a moving block (305) is hinged to the other end of the fourth rotating rod (304).

10. The support device of claim 9, wherein: the movable type hydraulic lifting device is characterized in that a second long rod (306 a) is fixedly arranged in the bottom plate (306), the second long rod (306 a) is movably connected with the movable block (305), a motor (307) is fixedly arranged in the bottom plate (306), a screw rod (308) is connected to the outside of the motor (307), a screw rod nut (309) is movably matched with the outer wall of the screw rod (308), and the screw rod nut (309) is fixedly connected with the movable block (305).