High-precision fixing tool for clamping turbine blade

Abstract

The utility model discloses a high-precision fixing tool for clamping turbine blades, and relates to the technical field of fixing tools. The clamping device comprises a mounting base, a rotating assembly and a clamping assembly, a connecting plate is arranged on the inner side of the top of the mounting base, a rotating rod is fixedly connected into the connecting plate, and the two ends of the rotating rod are arranged in the mounting base. According to the turbine blade clamping device, the fixing plate, the threaded block, the screw rod, the clamping plates, the clamping springs and the clamping heads are arranged, the screw rod is rotated, the two sets of clamping plates move relatively, a turbine blade is clamped and fixed, and under the action of the clamping springs and the clamping heads, corresponding clamping can be conducted according to the shape of the turbine blade; by arranging the connecting plate, the protruding block, the connector, the compression spring, the rotating head, the clamping groove and the connecting rod, the end, provided with the connector, of the connecting plate is pressed downwards, under the effect of the lever principle, the protruding block is moved out of the clamping groove, then the rotating head can be rotated according to scale marks on the outer side of the rotating head, and the rotating angle is effectively controlled.

Description

Technical Field

[0001] The utility model belongs to the technical field of fixing tools, in particular to a high-precision fixing tool for clamping turbine blades. Background Art

[0002] Turbine blades are an important component of the turbine section in a gas turbine engine. The high-speed rotating blades are responsible for drawing high-temperature and high-pressure airflow into the burner to maintain the operation of the engine. Turbine blades are important components in the engine. Turbine blades generally withstand greater working stress and higher operating temperatures. Turbine blades are usually made through a casting process, and after the turbine blades are formed, they need to be clamped and fixed with fixing tools, and then processed or measured using processing equipment or measuring devices.

[0003] Since the outer surface of the turbine blade is of an irregular shape, the existing fixing tools cannot stably fix the turbine blade, which affects the fixing effect of the turbine blade. At the same time, when measuring the rotation of the turbine blade, the rotation angle cannot be effectively controlled. Utility Model Content

[0004] The purpose of the utility model is to provide a high-precision fixing tool for clamping turbine blades, so as to solve the problem that the existing fixing tools cannot stably fix the turbine blades, affecting the fixing effect of the turbine blades, and at the same time cannot effectively control the rotation angle when measuring the rotation of the turbine blades.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a high-precision fixing tool for clamping turbine blades, comprising a mounting seat, a rotating assembly and a clamping assembly, a connecting plate is arranged on the inner side of the top of the mounting seat, a rotating rod is fixedly connected to the inside of the connecting plate, both ends of the rotating rod are arranged inside the mounting seat and rotatably cooperate with the connecting plate, one end of the connecting plate is fixedly connected to a protrusion, and the other end is fixedly connected to a connecting head, a compression spring is fixedly connected to the bottom of the connecting head, one end of the compression spring is fixedly connected to one side of the inside of the mounting seat, the rotating assembly comprises a rotating head and a connecting rod, the connecting rod is arranged inside the mounting seat and rotatably cooperates with the connecting rod, the rotating head is fixedly connected to one end of the connecting rod, and the rotating head is arranged on the outside of the mounting seat.

[0007] The peripheral side surface of the rotating head is provided with a plurality of evenly distributed slots, the protrusions are engaged with the slots, and the side surface of the rotating head is provided with scale lines, which correspond to the slots.

[0008] The clamping assembly includes a fixing plate, a spiral rod and a clamping plate. The other end of the connecting rod is fixedly connected to the bottom surface of the fixing plate, and the fixing plate is arranged on the outside of the mounting seat. Threaded blocks are fixedly connected on both sides of the upper surface of the fixing plate. The spiral rod is arranged between two groups of threaded blocks and spirally matched with them. A matching rod is arranged between the two groups of threaded blocks. Two groups of clamping plates are arranged. Both groups of clamping plates are arranged on the outside of the spiral rod and the matching rod, and spirally matched with the spiral rod.

[0009] The spirals on the left and right sides of the spiral rod are opposite to each other.

[0010] A plurality of clamping springs are arranged on the upper surface of one group of the clamping plates, and one end of the clamping spring is fixedly connected to a clamping head.

[0011] The surfaces of the clamping head and another group of clamping plates are both provided with rubber cushions.

[0012] The utility model has the following beneficial effects:

[0013] The utility model provides a fixing plate, a threaded block, a spiral rod, a matching rod, a clamping plate, a clamping spring and a clamping head, and rotates the spiral rod to make two groups of clamping plates move relatively, so as to clamp and fix the turbine blade. Under the action of the clamping spring and the clamping head, the turbine blade can be clamped accordingly according to the shape of the turbine blade, thereby improving the fixing effect and the processing accuracy. By providing a connecting plate, a rotating rod, a convex block, a connecting head, a compression spring, a rotating head, a slot and a connecting rod, one end of the connecting plate with the connecting head is pressed down, and under the action of the lever principle, the convex block is moved out of the slot, and then the rotating head can be rotated according to the scale line on the outside of the rotating head, so that the rotation angle is effectively controlled and the accuracy of the measured data is improved.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a high-precision fixing tool for clamping turbine blades;

[0017] Figure 2 It is a left view of a high-precision fixing tool structure for clamping turbine blades;

[0018] Figure 3 for Figure 2 Schematic diagram of the AA section structure;

[0019] Figure 4 A top view of a high-precision fixing tool structure for clamping turbine blades;

[0020] Figure 5 for Figure 4 Magnified view of area B.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Mounting seat; 101. Connecting plate; 102. Rotating rod; 103. Bump; 104. Connecting head; 105. Compression spring; 2. Rotating assembly; 201. Rotating head; 202. Slot; 203. Connecting rod; 3. Clamping assembly; 301. Fixed plate; 302. Threaded block; 303. Screw rod; 304. Matching rod; 305. Clamping plate; 306. Clamping spring; 307. Clamping head. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-Figure 5As shown, the utility model is a high-precision fixing tool for clamping turbine blades, including a mounting seat 1, a rotating component 2 and a clamping component 3. A connecting plate 101 is arranged on the inner side of the top of the mounting seat 1, and a rotating rod 102 is fixedly connected to the inside of the connecting plate 101. Both ends of the rotating rod 102 are arranged inside the mounting seat 1 and rotatably cooperate with it. One end of the connecting plate 101 is fixedly connected to a protrusion 103, and the other end is fixedly connected to a connecting head 104. The bottom of the connecting head 104 is fixedly connected to a compression spring 105, and one end of the compression spring 105 is fixedly connected to one side of the inside of the mounting seat 1. The rotating component 2 includes a rotating head 201 and a connecting rod 203. The connecting rod 203 is arranged inside the mounting seat 1 and rotatably cooperates with it. The rotating head 201 is fixedly connected to one end of the connecting rod 203, and the rotating head 201 is arranged on the outside of the mounting seat 1.

[0027] A plurality of evenly distributed slots 202 are arranged on the peripheral side of the rotating head 201 , and the protrusions 103 are engaged with the slots 202 . The side of the rotating head 201 is provided with scale lines, which correspond to the slots 202 .

[0028] The clamping assembly 3 includes a fixing plate 301, a spiral rod 303 and a clamping plate 305. The other end of the connecting rod 203 is fixedly connected to the bottom surface of the fixing plate 301, and the fixing plate 301 is arranged on the outer side of the mounting seat 1. The upper surface of the fixing plate 301 is fixedly connected with threaded blocks 302 on both sides. The spiral rod 303 is arranged between the two groups of threaded blocks 302 and spirally matched with them. A matching rod 304 is arranged between the two groups of threaded blocks 302. Two groups of clamping plates 305 are arranged. The two groups of clamping plates 305 are both arranged on the outer sides of the spiral rod 303 and the matching rod 304, and spirally matched with the spiral rod 303.

[0029] The spirals on the left and right sides of the spiral rod 303 are opposite to each other.

[0030] A plurality of clamping springs 306 are disposed on the upper surface of one group of clamping plates 305 , and a clamping head 307 is fixedly connected to one end of the clamping spring 306 .

[0031] The surfaces of the clamping head 307 and the other set of clamping plates 305 are both provided with rubber pads.

[0032] like Figure 1-Figure 5The embodiment shown is a method for using a high-precision fixing tool for clamping turbine blades: rotating the spiral rod 303, so that the two sets of clamping plates 305 move relatively, clamping and fixing the turbine blades, under the action of the clamping spring 306 and the clamping head 307, the turbine blades can be clamped accordingly according to their appearance, thereby improving the fixing effect and the processing accuracy. Pressing down one end of the connecting plate 101 with the connecting head 104, the compression spring 105 is deformed by force, and under the action of the lever principle, the protrusion 103 is moved out of the card slot 202, and then the rotating head 201 can be rotated according to the scale line on the outside, effectively controlling the rotation angle and improving the accuracy of the measurement data.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-precision fixing tool for clamping turbine blades, comprising a mounting seat (1), a rotating assembly (2) and a clamping assembly (3), characterized in that: A connecting plate (101) is provided on the inner side of the top of the mounting seat (1), and a rotating rod (102) is fixedly connected to the interior of the connecting plate (101), and both ends of the rotating rod (102) are arranged inside the mounting seat (1) and are rotatably matched therewith, one end of the connecting plate (101) is fixedly connected to a protrusion (103), and the other end is fixedly connected to a connecting head (104), and the bottom of the connecting head (104) is fixedly connected to a compression spring (105), and one end of the compression spring (105) is fixedly connected to one side of the interior of the mounting seat (1), and the rotating assembly (2) comprises a rotating head (201) and a connecting rod (203), and the connecting rod (203) is arranged inside the mounting seat (1) and is rotatably matched therewith, and the rotating head (201) is fixedly connected to one end of the connecting rod (203), and the rotating head (201) is arranged on the outer side of the mounting seat (1).

2. A high-precision fixing tool for clamping turbine blades according to claim 1, characterized in that: The peripheral side surface of the rotating head (201) is provided with a plurality of evenly distributed slots (202), the protrusions (103) are engaged with the slots (202), and the side surface of the rotating head (201) is provided with scale lines, which correspond to the slots (202).

3. A high-precision fixing tool for clamping turbine blades according to claim 1, characterized in that: The clamping assembly (3) comprises a fixing plate (301), a spiral rod (303) and a clamping plate (305); the other end of the connecting rod (203) is fixedly connected to the bottom surface of the fixing plate (301), and the fixing plate (301) is arranged on the outer side of the mounting seat (1); both sides of the upper surface of the fixing plate (301) are fixedly connected with threaded blocks (302); the spiral rod (303) is arranged between two groups of threaded blocks (302) and is spirally matched with them; a matching rod (304) is arranged between the two groups of threaded blocks (302); and two groups of clamping plates (305) are arranged; the two groups of clamping plates (305) are arranged on the outer sides of the spiral rod (303) and the matching rod (304) and are spirally matched with the spiral rod (303).

4. A high-precision fixing tool for clamping turbine blades according to claim 3, characterized in that: The spirals formed on the left and right sides of the spiral rod (303) are opposite to each other.

5. A high-precision fixing tool for clamping turbine blades according to claim 4, characterized in that: A plurality of clamping springs (306) are arranged on the upper surface of one group of the clamping plates (305), and one end of the clamping spring (306) is fixedly connected to a clamping head (307).

6. A high-precision fixing tool for clamping turbine blades according to claim 5, characterized in that: The surfaces of the clamping head (307) and the other set of clamping plates (305) are both provided with rubber pads.

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