CN219901897U

CN219901897U - Blade clamping device

Info

Publication number: CN219901897U
Application number: CN202321437796.8U
Authority: CN
Inventors: 高秉文; 唐德锋; 李熙; 徐伟; 王刚; 杨林; 邹超; 徐金奎; 郭磊; 黄天健; 夏启刚
Original assignee: China Three Gorges New Energy Group Co ltd Sichuan Branch
Current assignee: China Three Gorges New Energy Group Co ltd Sichuan Branch
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-10-27
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a blade clamping device which comprises a base, an adjusting plate, a guide rail and a clamping block, wherein the base is connected to external centrifugal equipment, the guide rail is fixed on the base, the clamping block is fixed at one end of the bottom of the adjusting plate, the adjusting plate is in sliding connection with the guide rail through the clamping block, a clamping mechanism is arranged at the other end of the adjusting plate, and a linkage mechanism is arranged on the base. The beneficial effects of the utility model are as follows: the blade is fast clamped and fixed through the clamping plate, and when the centrifugal force of the blade in the test is required to be regulated, the limiting rod is driven to move in the first limiting groove through the rotating linkage disc, and then the clamping block is driven to slide on the guide rail, so that the regulation of the position of the blade clamped on the clamping plate is realized, the rotating radius of the blade is regulated through regulating the position of the blade, the rapid regulation of the centrifugal force is realized, the rotating speed of external centrifugal equipment is prevented from being regulated, the operation is simple and efficient, and the overall practicability of the clamping device is greatly improved.

Description

Blade clamping device

Technical Field

The utility model relates to a clamping device, in particular to a blade clamping device, and belongs to the technical field of blade processing devices.

Background

The impeller is an important component of the air compressor, is an important part for ensuring the performance, reliability and durability of the air compressor, and in the working process of the air compressor, the blades rotating at high speed can bear larger centrifugal force, so that the surface and the inside of the blades are easier to generate microcracks and other defects, therefore, in the impeller production process, the performance test of the impeller has guiding significance for the follow-up batch production of the impeller, the current manufacturers all adopt special independent equipment to carry out the test on the blades, the special equipment is usually adopted to apply the centrifugal force to simulate the stress scene under the working state of the blades, and the blades are required to be clamped and fixed on centrifugal equipment by using a clamping device to carry out the test.

However, in many of the conventional clamping devices, for example, in the blade clamping device disclosed in publication No. CN107957324a, although blades of different sizes can be clamped and fixed to reduce the number of experimental procedures and the cost, the centrifugal force is often determined by the rotational speed provided by the centrifugal machine when the clamping device is used in combination with centrifugal equipment, and if the rotational speed of the centrifugal machine is fixed, the centrifugal force cannot be adjusted by adjusting the clamping device, so that the centrifugal machine is required to have a speed change function, and the experimental cost is increased.

Disclosure of Invention

The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims at solving the defects in the prior art and providing a blade clamping device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a blade clamping device, the on-line screen storage device comprises a base, the regulating plate, guide rail and fixture block, the base is connected on outside centrifugal equipment, the guide rail is fixed on the base, the fixture block is fixed in regulating plate bottom one end, and the regulating plate passes through fixture block and guide rail sliding connection, the regulating plate other end is provided with fixture, be provided with link gear on the base, fixture includes splint, the one end rotation of the splint of L shape structure is connected on the regulating plate, link gear includes spacing unit, adjusting unit and linking disc, the linking disc rotates to be connected on the base, spacing unit and adjusting unit all set up on the linking disc.

As still further aspects of the utility model: the limiting unit comprises a first limiting groove and a limiting rod, wherein the first limiting groove is arranged on the linkage disc in a penetrating mode, the limiting groove is of an arc-shaped structure and is obliquely arranged, the limiting rod is fixed on the adjusting plate, and the limiting rod is in sliding clamping connection with the first limiting groove.

As still further aspects of the utility model: the adjusting unit comprises a second limiting groove and a locking screw, the second limiting groove of the arc-shaped structure is arranged on the linkage disc in a penetrating mode, the second limiting groove is located between two adjacent first limiting grooves, the locking screw is screwed and connected in a screw hole formed in the base, and the locking screw is located in the second limiting groove.

As still further aspects of the utility model: the clamping mechanism further comprises a supporting seat, a screw rod and a butt joint seat, wherein the supporting seat is fixed at one end, far away from the clamping block, of the adjusting plate, a round rod is rotatably connected to the top of the supporting seat, a screw hole is formed in the center of the round rod in a penetrating mode, the screw rod is connected in the screw hole in a threaded mode, the butt joint seat is rotatably connected to one end of the screw rod, a rotating rod is arranged at the inflection point of the clamping plate, and the rotating rod and the butt joint seat rotate.

As still further aspects of the utility model: the clamping plate is formed by combining two plates with L-shaped structures into a whole structure, and a rubber pad is integrally glued outside the clamping end of the clamping plate.

As still further aspects of the utility model: the regulating plates and the integral connection structure thereof are equidistantly provided with three groups, and the included angle between two adjacent groups of regulating plates is 120 degrees.

The beneficial effects of the utility model are as follows:

the device is characterized in that the device is provided with a butt joint seat which is driven by a screw rod to move, the butt joint seat is further provided with a clamping plate to rotate, the blades are clamped and fixed rapidly by the clamping plate, the device is driven to rotate integrally by matching with external centrifugal equipment to achieve the test effect of the blades, and when the centrifugal force of the blades in the test is required to be regulated, the blades are driven to move in a first limiting groove by rotating a linkage disc, a clamping block is driven to slide on a guide rail, the position of the blades clamped on the clamping plate is regulated, the rotating radius of the blades is regulated by regulating the position of the blades, the centrifugal force is regulated rapidly, the rotating speed of external centrifugal equipment is prevented from being regulated, and the device is simple and efficient to operate, so that the practicality of the whole clamping device is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the linkage disc and its overall connection structure;

FIG. 3 is a schematic view of the overall structure of the adjusting plate of the present utility model;

fig. 4 is a schematic view of the overall connection structure of the clamping plate of the present utility model.

In the figure: 1. the device comprises a base, 2, a linkage disc, 3, a first limit groove, 4, an adjusting plate, 5, a limit rod, 6, a guide rail, 7, a clamping block, 8, a second limit groove, 9, a locking screw, 10, a supporting seat, 11, a screw rod, 12, a butt joint seat, 13 and a clamping plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 4, a blade clamping device comprises a base 1, an adjusting plate 4, a guide rail 6 and a clamping block 7, wherein the base 1 is connected to external centrifugal equipment, the guide rail 6 is fixed on the base 1, the clamping block 7 is fixed at one end of the bottom of the adjusting plate 4, the adjusting plate 4 is in sliding connection with the guide rail 6 through the clamping block 7, a clamping mechanism is arranged at the other end of the adjusting plate 4, a linkage mechanism is arranged on the base 1, the clamping mechanism comprises a clamping plate 13, one end of the clamping plate 13 with an L-shaped structure is rotatably connected to the adjusting plate 4, the linkage mechanism comprises a limiting unit, an adjusting unit and a linkage disc 2, the linkage disc 2 is rotatably connected to the base 1, and the limiting unit and the adjusting unit are both arranged on the linkage disc 2;

the limiting unit comprises a first limiting groove 3 and a limiting rod 5, wherein the first limiting groove 3 is arranged on the linkage disc 2 in a penetrating mode, is of an arc-shaped structure and is obliquely arranged, the limiting rod 5 is fixed on the adjusting plate 4, and is in sliding clamping connection with the first limiting groove 3;

the adjusting unit comprises a second limit groove 8 and a locking screw 9, the second limit groove 8 of the arc-shaped structure is arranged on the linkage disc 2 in a penetrating way, the second limit groove is positioned between two adjacent first limit grooves 3, the locking screw 9 is screwed and connected in a screw hole formed in the base 1, and the locking screw is positioned in the second limit groove 8;

the clamping mechanism further comprises a supporting seat 10, a screw rod 11 and a butt joint seat 12, wherein the supporting seat 10 is fixed at one end, far away from the clamping block 7, of the adjusting plate 4, a round rod is rotatably connected to the top of the supporting seat, a screw hole is formed in the center of the round rod in a penetrating mode, the screw rod 11 is in threaded fit connection in the screw hole, the butt joint seat 12 is rotatably connected to one end of the screw rod 11, a rotating rod is arranged at the inflection point of the clamping plate 13, and the rotating rod and the butt joint seat 12 rotate;

the screw rod 11 drives the butt joint seat 12 to move in the device, and then drives the clamping plate 13 to rotate through the butt joint seat 12, and then the blade is clamped and fixed fast through the clamping plate 13, and the external centrifugal equipment is matched to drive the device to rotate integrally so as to achieve the test effect on the blade, and when the centrifugal force of the blade in the test needs to be regulated, the linkage disc 2 is rotated to drive the limit rod 5 to link in the first limit groove 3, and then the clamping block 7 is driven to slide on the guide rail 6, so that the regulation of the position of the blade clamped on the clamping plate 13 is achieved, the rotation radius of the blade is regulated through regulating the position of the blade, and then the rapid regulation of the centrifugal force is achieved, the rotation speed of the external centrifugal equipment is prevented from being regulated, and the operation is simple and efficient, and the integral practicality of the clamping device is greatly improved.

Example two

As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:

the clamping plate 13 is formed by combining two plates with L-shaped structures to form an integral structure, a layer of rubber pad is integrally glued outside the clamping end of the clamping plate, and the clamping plate 13 is isolated from the blade through the rubber pad, so that the blade is prevented from being clamped and damaged.

The regulating plates 4 and the whole connecting structures thereof are equidistantly provided with three groups, and the included angle between every two adjacent regulating plates 4 is 120 degrees, so that the device can detect a plurality of blades at one time, and simultaneously, the stability of the device during the whole rotation is ensured.

Working principle: when the clamping device is used, the base 1 is connected with external centrifugal equipment, then blades to be clamped are placed at one end of the adjusting plate 4, the screw rod 11 is rotated, the clamping plate 13 is driven to rotate through the butt joint seat 12, the blades are further clamped and fixed rapidly, the device is driven to rotate integrally by the external centrifugal equipment, when the centrifugal force of the blades in a test is required to be adjusted, the linkage disc 2 is rotated to drive the limiting rod 5 to be linked in the first limiting groove 3, the clamping block 7 is driven to slide on the guide rail 6, and after the blades are adjusted to a proper position, the linkage disc 2 is locked by screwing the locking screw 9.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a blade clamping device, includes base (1), regulating plate (4), guide rail (6) and fixture block (7), its characterized in that, base (1) are connected on outside centrifugal equipment, guide rail (6) are fixed on base (1), fixture block (7) are fixed in regulating plate (4) bottom one end, just regulating plate (4) are through fixture block (7) and guide rail (6) sliding connection, the regulating plate (4) other end is provided with fixture, be provided with link gear on base (1), fixture includes splint (13), L shape structure's one end swivelling joint of splint (13) is on regulating plate (4), link gear includes spacing unit, adjusting unit and linkage dish (2), linkage dish (2) swivelling joint is on base (1), spacing unit and adjusting unit all set up on linkage dish (2).

2. A blade holding arrangement as claimed in claim 1, wherein: the limiting unit comprises a first limiting groove (3) and a limiting rod (5), wherein the first limiting groove (3) is arranged on the linkage disc (2) in a penetrating mode, the limiting rod is of an arc-shaped structure and is obliquely arranged, the limiting rod (5) is fixed on the adjusting plate (4), and the limiting rod is in sliding clamping connection with the first limiting groove (3).

3. A blade holding arrangement as claimed in claim 1, wherein: the adjusting unit comprises a second limiting groove (8) and a locking screw (9), the second limiting groove (8) of the arc-shaped structure is arranged on the linkage disc (2) in a penetrating mode, the second limiting groove is located between two adjacent first limiting grooves (3), the locking screw (9) is screwed and connected in a screw hole formed in the base (1), and the locking screw is located in the second limiting groove (8).

4. A blade holding arrangement as claimed in claim 1, wherein: the clamping mechanism further comprises a supporting seat (10), a screw rod (11) and a butt joint seat (12), wherein the supporting seat (10) is fixed on the adjusting plate (4) and is away from one end of the clamping block (7), a round rod is rotatably connected to the top of the supporting seat, a screw hole is formed in the center of the round rod in a penetrating mode, the screw rod (11) is connected in the screw hole in a threaded mode, the butt joint seat (12) is rotatably connected to one end of the screw rod (11), a rotating rod is arranged at the inflection point of the clamping plate (13), and the rotating rod and the butt joint seat (12) rotate.

5. A blade holding arrangement as claimed in claim 1, wherein: the clamping plate (13) is formed by combining two plates with L-shaped structures into a whole structure, and a rubber pad is integrally glued outside the clamping end of the clamping plate.

6. A blade holding arrangement as claimed in claim 1, wherein: the regulating plates (4) and the integral connection structures thereof are equidistantly provided with three groups, and the included angle between two adjacent groups of regulating plates (4) is 120 degrees.