A tool for measuring the curvature of a large crankshaft forging and a method for using the tool

Abstract

The present invention discloses a tool for measuring the curvature of a large crankshaft forging, and relates to the technical field of crankshaft forging detection. The present invention includes a fixed component, including a V-shaped plate fixed to both sides of the top of the base, a fixed pipe clamp arranged at the top of the V-shaped plate, a crankshaft body sleeved inside the fixed pipe clamp, and a marking line arranged on the crankshaft body; an installation component, a lifting component arranged on the crankshaft body, a fixed component arranged at the top of the lifting component, a moving component arranged inside the fixed component, and a clamping component arranged on one side of the moving component. The present invention utilizes the meshing action between the connecting gear and the toothed plate by rotating the screw rod to move the three inclined slot plates synchronously, thereby driving the clamping block to move, fixing or disassembling the marking line, avoiding the operation of leveling and drawing lines, and solving the problem of wasting time on the existing need for leveling and drawing lines.

Description

Technical Field

[0001] The invention belongs to the technical field of crankshaft forging detection, and in particular relates to a tool for measuring the curvature of a large crankshaft forging and a use method thereof. Background Art

[0002] The crankshaft is the most important component in the engine. It bears the force transmitted from the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine to work. The crankshaft is subjected to the combined effects of the centrifugal force of the rotating mass, the periodically changing gas inertia force and the reciprocating inertia force, causing the crankshaft to be subjected to bending and torsional loads.

[0003] When measuring the crankshaft, the existing testing equipment not only requires relevant personnel to perform the test, but also requires leveling operations, which is difficult to operate, takes a lot of time, and reduces work efficiency.

[0004] To this end, we provide a tooling for measuring the curvature of a large crankshaft forging and a method of using the tooling to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a tool for measuring the curvature of large crankshaft forgings. By rotating the screw and utilizing the meshing action between the connecting gear and the tooth plate, the three inclined slot plates are moved synchronously, thereby driving the clamping block to move, and the marking line is fixed or disassembled, avoiding the operation of leveling and drawing lines, and solving the problem of wasting time on the existing need for leveling and drawing lines.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The present invention is a tool for measuring the curvature of a large crankshaft forging, comprising:

[0008] The fixing component includes a V-shaped plate fixed to both sides of the top of the base, a fixing pipe clamp arranged at the top of the V-shaped plate, a crankshaft body sleeved inside the fixing pipe clamp, and a marking line arranged on the crankshaft body;

[0009] An installation component, a lifting component disposed on the crankshaft body, a fixing component disposed at the top of the lifting component, a moving component disposed inside the fixing component, and a clamping component disposed at one side of the moving component;

[0010] The lifting component can be raised and lowered to adjust the overall height of the fixed component, and the fixed component serves as a carrier of the moving component and the clamping component. Through the action of the moving component, the clamping component is moved to fix the marking line as a reference line.

[0011] The present invention is further configured such that the lifting assembly comprises a fixed sleeve fixed to the top of the fixed pipe clamp, a threaded rod fixed to the inside of the fixed sleeve, a threaded sleeve sleeved inside the fixed sleeve, a rotating block arranged at the top of the threaded sleeve, and a fixed seat arranged at the top of the rotating block;

[0012] Wherein, the top end of the rotating block is rotatably connected to the inside of the bottom end of the fixing seat.

[0013] The present invention is further configured such that the fixing assembly includes a fixing disc fixed to the top of the fixing seat, a receiving groove opened inside the fixing disc, and a connecting gear arranged inside the receiving groove;

[0014] Wherein, the connecting gear is rotationally connected to the fixed disc.

[0015] The present invention is further configured such that the moving assembly includes a toothed plate arranged on the side wall of the connecting gear, a fitting block arranged at one end of the toothed plate, a guide rail sleeved on the outside of the fitting block, a screw sleeved on the inside of the toothed plate, and a fixing block for fixing the outside of the screw;

[0016] The tooth plate is meshed with the connecting gear, the outer wall of the engaging block is slidably connected to the inside of the guide rail, and the guide rail is fixedly connected to the accommodating groove.

[0017] The present invention is further configured such that the clamping assembly includes an inclined slot plate arranged at the other end of the tooth plate, an adapter block arranged at the outer wall of the inclined slot plate, and a clamping block fixed to one end of the adapter block.

[0018] The present invention is further configured to further include a measuring component, which includes a power component arranged on the base, and a guide component arranged inside the power component.

[0019] The present invention is further configured such that the power assembly includes a slide groove opened on one side of the top end of the base, a reciprocating screw arranged inside the slide groove, a moving block sleeved on the outside of the reciprocating screw, a pointer arranged on the top end of the moving block, and a ruler arranged inside the pointer.

[0020] The present invention is further configured such that the guide assembly includes a groove opened inside the reciprocating screw rod, a connecting rod fixed inside the groove, and a guide block arranged at the bottom end of the connecting rod.

[0021] In addition, the present invention also provides the following technical solution: a method for using a tool for measuring the curvature of a large crankshaft forging, comprising the following specific steps;

[0022] S1. First, rotate the rotating block to rotate the threaded sleeve to change the height of the threaded sleeve;

[0023] S2. Rotate the screw to move the tooth plate, and drive the connecting gear to drive the other two receiving slots to move;

[0024] S3. The movement of the receiving slot drives the clamping block to move, thereby fixing or removing the marking line;

[0025] S4. Then rotate the reciprocating screw rod to move the reciprocating screw rod, and the reciprocating screw rod is fixed to the scale rod, thereby driving the scale rod to move and completing the bending measurement of the fixed pipe clamp.

[0026] The present invention has the following beneficial effects:

[0027] 1. The present invention drives the tooth plate to move by rotating the screw, and the tooth plate is meshed with the connecting gear, so that when one tooth plate moves, it drives the other two tooth plates to move through the connecting gear. Under the movement of the tooth plate, the meshing action between the inclined groove plate and the adapter block drives the clamping block to move, thereby realizing the fixing or disassembly of the marking line, avoiding the need for leveling and drawing operations of the existing detection equipment, saving time and improving work efficiency.

[0028] 2. The present invention measures the curvature of different parts of the crankshaft body by rotating the reciprocating screw, driving the moving block to move through the guiding effect of the guide block, and driving the ruler to move through the movement of the moving block.

[0029] 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

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0031] Figure 1 This is a schematic diagram of the structure of a tooling for measuring the curvature of a large crankshaft forging.

[0032] Figure 2 The figure is a schematic diagram of the overall structure of the mounting components for a tooling for measuring the curvature of a large crankshaft forging.

[0033] Figure 3 Schematic diagram of the exploded structure of the lifting assembly used to install components.

[0034] Figure 4 Schematic diagram of the overall structure of the fixed assembly, movable assembly and clamping assembly for installing parts.

[0035] Figure 5 Schematic diagram of the internal structure of the fixing assembly for installing components.

[0036] Figure 6 Schematic diagram of the exploded structure of the moving component and the clamping component.

[0037] Figure 7 The figure is a schematic diagram of the overall structure of the measuring components used in a tooling for measuring the curvature of a large crankshaft forging.

[0038] Figure 8 A schematic diagram of the structure of a guide assembly for measuring parts.

[0039] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0040] 100, fixed component; 101, base; 102, V-shaped plate; 103, fixed pipe clamp; 104, crankshaft body; 105, marking line; 200, installation component; 201, lifting component; 201a, fixed sleeve; 201b, threaded rod; 201c, threaded sleeve; 201d, rotating block; 201e, fixed seat; 202, fixed component; 202a, fixed disc; 202b, receiving groove; 202c, connecting gear; 203, moving component; 203a, guide rail ; 203b, fitting block; 203c, tooth plate; 203d, screw; 203e, fixed block; 204, clamping assembly; 204a, inclined groove plate; 204b, adapter block; 204c, clamping block; 300, measuring component; 301, power assembly; 301a, slide groove; 301b, reciprocating screw; 301c, moving block; 301d, pointer; 301e, ruler; 302, guide assembly; 302a, groove; 302b, connecting rod; 302c, guide block. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Example 1

[0043] See also Figure 1-6 The present invention is a tool for measuring the curvature of a large crankshaft forging, comprising a fixing component 100, including a base 101, V-shaped plates 102 fixed to both sides of the top of the base 101, a fixing pipe clamp 103 arranged at the top of the V-shaped plate 102, a crankshaft body 104 sleeved inside the fixing pipe clamp 103, and a marking line 105 arranged on the crankshaft body 104;

[0044] The mounting member 200 includes a lifting assembly 201 disposed on the crankshaft body 104, a fixing assembly 202 disposed at the top of the lifting assembly 201, a moving assembly 203 disposed inside the fixing assembly 202, and a clamping assembly 204 disposed at one side of the moving assembly 203;

[0045] Among them, the lifting component 201 can be raised and lowered to adjust the overall height of the fixed component 202, and the fixed component 202 serves as a carrier of the moving component 203 and the clamping component 204. Through the action of the moving component 203, the clamping component 204 moves to fix the marking line 105 as a reference line.

[0046] Specifically, the lifting assembly 201 includes a fixed sleeve 201a fixed to the top of the fixed pipe clamp 103, a threaded rod 201b fixed inside the fixed sleeve 201a, a threaded sleeve 201c sleeved inside the fixed sleeve 201a, a rotating block 201d arranged at the top of the threaded sleeve 201c, and a fixed seat 201e arranged at the top of the rotating block 201d; wherein the top of the rotating block 201d is rotatably connected to the bottom of the fixed seat 201e, wherein the fixed The fixed sleeve 201a is fixed to the top of the fixed pipe clamp 103. In addition, a threaded rod 201b is fixedly connected inside the fixed sleeve 201a, and the threaded rod 201b is threadedly connected to the threaded sleeve 201c. A rotating block 201d is fixedly connected to the top of the rotating block 201d, and the top of the rotating block 201d is rotatably connected to the fixed seat 201e, so that rotating the rotating block 201d drives the threaded sleeve 201c to rotate, so that the height of the threaded sleeve 201c changes.

[0047] Furthermore, the fixing assembly 202 includes a fixing disc 202a fixed to the top of the fixing seat 201e, a receiving groove 202b opened inside the fixing disc 202a, and a connecting gear 202c arranged inside the receiving groove 202b; wherein the connecting gear 202c is rotationally connected to the fixing disc 202a, wherein the fixing disc 202a is fixedly connected to the top of the fixing seat 201e, and furthermore, the receiving groove 202b is distributed along the central axis of the fixing disc 202a, and furthermore, the connecting gear 202c is rotationally connected inside the fixing disc 202a, and the centers of the connecting gear 202c and the fixing disc 202a coincide with each other.

[0048] Furthermore, the moving assembly 203 includes a tooth plate 203c disposed on the side wall of the connecting gear 202c, a fitting block 203b disposed at one end of the tooth plate 203c, a guide rail 203a sleeved on the outside of the fitting block 203b, a screw rod 203d sleeved on the inside of the tooth plate 203c, and a fixing block 203e for fixing the outside of the screw rod 203d; wherein the tooth plate 203c is meshed with the connecting gear 202c, and the fitting block 203b is The outer wall of is slidably connected to the inside of the guide rail 203a, and the guide rail 203a is fixedly connected to the accommodating groove 202b, wherein the guide rail 203a is fixed to the inside of the accommodating groove 202b, and the shape of the guide rail 203a is trapezoidal, which matches the shape of the fitting block 203b, and the tooth plate 203c is fixedly connected to the fitting block 203b, the guide rail 203a and the fitting block 203b cooperate with each other to guide the moving direction of the tooth plate 203c, and the tooth plate 203c is threadedly connected to the screw rod 203d, so that when the screw rod 203d rotates, the tooth plate 203c is driven to move, and when the tooth plate 203c moves, the connecting gear 202c is driven to rotate, and as the connecting gear 202c rotates, the other two tooth plates 203c are driven to move, and the clamping assembly 204 includes an inclined groove plate 204a arranged at the other end of the tooth plate 203c, and an adapter block 204a arranged on the outer wall of the inclined groove plate 204a. 04b, and a clamping block 204c fixed to one end of the adapter block 204b, wherein a bevel plate 204a is fixedly connected to one end of the tooth plate 203c, and one side of the bevel plate 204a is meshed with the adapter block 204b, so that when the bevel plate 204a moves, it will drive the adapter block 204b to move, and in the process of the adapter block 204b moving, it will drive the clamping block 204c to move, thereby achieving the clamping and fixation of the marking line 105.

[0049] The operation process of this embodiment is as follows: first, the threaded sleeve 201c is driven to rotate by rotating the rotating block 201d, and the threaded sleeve 201c is threadedly connected with 201b, thereby realizing the lifting of the threaded sleeve 201c, and driving the lifting of 201e, indirectly driving the fixed disc 202a to lift and lower, and then rotating the screw rod 203d, which is threadedly connected with the tooth plate 203c. Therefore, when the screw rod 203d rotates, it will drive the tooth plate 203c to move, and in the process of the movement of the tooth plate 203c, it will drive the connecting gear 202c to rotate, and with the rotation of the connecting gear 202c, it will also drive the other two tooth plates 203c to move, and in the process of the movement of the tooth plate 203c, it will drive the inclined groove plate 204a to move, and the inclined groove of the inclined groove plate 204a and the inclined groove on the adapter block 204b cooperate with each other to move the clamping block 204c, thereby realizing the clamping and fixation of 105.

[0050] Example 2

[0051] See also Figure 1 , Figure 7 and Figure 8 On the basis of Example 1, it further includes a measuring component 300 , which includes a power component 301 disposed on the base 101 , and a guide component 302 disposed inside the power component 301 .

[0052] Specifically, the power assembly 301 includes a slide groove 301a opened on one side of the top of the base 101, a reciprocating screw 301b arranged inside the slide groove 301a, a moving block 301c sleeved on the outside of the reciprocating screw 301b, a pointer 301d arranged at the top of the moving block 301c, and a scale 301e arranged inside the pointer 301d, wherein the reciprocating screw 301b is rotatably connected to the base 101, and the reciprocating screw 301b is arranged inside the slide groove 301a, and the moving block 301c is also sleeved on the outside of the reciprocating screw 301b, and the moving block 301c is slidably connected to the inside of 310a, the scale 301e is fixedly connected to the top of the moving block 301c, and the pointer 301d is also sleeved on the outer wall of the scale 301e.

[0053] Furthermore, the guide assembly 302 includes a groove 302a opened inside the reciprocating screw rod 301b, a connecting rod 302b fixed inside the groove 302a, and a guide block 302c arranged at the bottom end of the connecting rod 302b, wherein the center line of the groove 302a coincides with the center line of the reciprocating screw rod 301b, the connecting rod 302b is fixed at the inner center line of the groove 302a, and the guide block 302c is also rotatably connected to the bottom end of the connecting rod 302b, and the guide block 302c is arranged inside the groove on the reciprocating screw rod 301b. When the reciprocating screw rod 301b rotates, the guide block 302c will move on the reciprocating screw rod 301b, thereby achieving a guiding effect on the reciprocating screw rod 301b.

[0054] The operation process of this embodiment is: first, by rotating the handle on one side of the reciprocating screw 301b, the reciprocating screw 301b is rotated, and when the reciprocating screw 301b rotates, it will drive the guide block 302c to move, and the guide block 302c is connected to the reciprocating screw 301b through the connecting rod 302b, thereby indirectly realizing the movement of the scale 301e, and then completing the measurement of the overall curvature of the crankshaft body 104.

[0055] Example 3

[0056] See also Figure 1-8 Based on Example 1 and Example 2, a method for using a tool for measuring the curvature of a large crankshaft forging specifically includes the following steps:

[0057] S1. First, rotate the rotating block 201d to rotate the threaded sleeve 201c to change the height of the threaded sleeve 201c;

[0058] S2. Rotate the screw 203d to move the tooth plate 203c, and drive the connecting gear 202c to drive the other two accommodating grooves 202b to move;

[0059] S3. The movement of the receiving groove 202b drives the clamping block 204c to move, thereby fixing or removing the marking line 105;

[0060] S4. Then, the reciprocating screw rod 301b is rotated to move the reciprocating screw rod 301b, and the reciprocating screw rod 301b is fixed to the scale 301e, thereby driving the scale 301e to move, and completing the measurement of the curvature of the fixed pipe clamp 103.

[0061] The operation process of this embodiment is: first, by rotating the rotating block 201d, the threaded sleeve 201c is moved up, and then the screw 203d is rotated to move the tooth plate 203c and drive the connecting gear 202c to rotate. As the connecting gear 202c rotates, the other two tooth plates 203c are driven to move, thereby realizing the movement of the clamping block 204c and fixing the marking line 105. In addition, by rotating the reciprocating screw rod 301b, the moving block 301c is indirectly driven to move, thereby realizing the movement of the scale 301e and realizing the measurement of the curvature of the marking line 105.

[0062] 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 present invention. 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.

Claims

1. A tool for measuring the curvature of a large crankshaft forging, characterized in that: include, The fixing component (100) comprises a base (101), a V-shaped plate (102) fixed to both sides of the top of the base (101), a fixing pipe clamp (103) arranged at the top of the V-shaped plate (102), a crankshaft body (104) sleeved inside the fixing pipe clamp (103), and a marking line (105) arranged on the crankshaft body (104); A mounting component (200), a lifting component (201) disposed on the crankshaft body (104), a fixing component (202) disposed at the top of the lifting component (201), a moving component (203) disposed inside the fixing component (202), and a clamping component (204) disposed on one side of the moving component (203); The lifting component (201) can be lifted and lowered to adjust the overall height of the fixed component (202), and the fixed component (202) serves as a carrier of the moving component (203) and the clamping component (204). Through the action of the moving component (203), the clamping component (204) moves to fix the marking line (105) as a reference line.

2. A tool for measuring the curvature of a large crankshaft forging according to claim 1, characterized in that: The lifting assembly (201) comprises a fixed sleeve (201a) fixed to the top of the fixed pipe clamp (103), a threaded rod (201b) fixed inside the fixed sleeve (201a), a threaded sleeve (201c) sleeved inside the fixed sleeve (201a), a rotating block (201d) arranged at the top of the threaded sleeve (201c), and a fixed seat (201e) arranged at the top of the rotating block (201d); Wherein, the top end of the rotating block (201d) is rotatably connected inside the bottom end of the fixing seat (201e).

3. A tool for measuring the curvature of a large crankshaft forging according to claim 2, characterized in that: The fixing assembly (202) comprises a fixing disc (202a) fixed to the top of the fixing seat (201e), a receiving groove (202b) provided inside the fixing disc (202a), and a connecting gear (202c) arranged inside the receiving groove (202b); Wherein, the connecting gear (202c) is rotationally connected to the fixed disc (202a).

4. A tool for measuring the curvature of a large crankshaft forging according to claim 3, characterized in that: The moving assembly (203) comprises a tooth plate (203c) arranged on the side wall of the connecting gear (202c), a fitting block (203b) arranged at one end of the tooth plate (203c), a guide rail (203a) sleeved on the outside of the fitting block (203b), a screw rod (203d) sleeved on the inside of the tooth plate (203c), and a fixing block (203e) used to fix the outside of the screw rod (203d); The tooth plate (203c) is meshed with the connecting gear (202c), the outer wall of the engaging block (203b) is slidably connected to the inside of the guide rail (203a), and the guide rail (203a) is fixedly connected to the containing groove (202b).

5. A tool for measuring the curvature of a large crankshaft forging according to claim 4, characterized in that: The clamping assembly (204) comprises an inclined slot plate (204a) arranged at the other end of the tooth plate (203c), an adaptor block (204b) arranged on the outer wall of the inclined slot plate (204a), and a clamping block (204c) fixed to one end of the adaptor block (204b).

6. A tool for measuring the curvature of a large crankshaft forging according to claim 5, characterized in that: It also includes a measuring component (300), which includes a power component (301) arranged on the base (101), and a guide component (302) arranged inside the power component (301).

7. A tool for measuring the curvature of a large crankshaft forging according to claim 6, characterized in that: The power assembly (301) comprises a slide groove (301a) opened on one side of the top end of the base (101), a reciprocating screw rod (301b) arranged inside the slide groove (301a), a moving block (301c) sleeved on the outside of the reciprocating screw rod (301b), a pointer (301d) arranged on the top end of the moving block (301c), and a scale (301e) arranged inside the pointer (301d).

8. A tool for measuring the curvature of a large crankshaft forging according to claim 7, characterized in that: The guide assembly (302) comprises a groove (302a) opened inside the reciprocating screw rod (301b), a connecting rod (302b) fixed inside the groove (302a), and a guide block (302c) arranged at the bottom end of the connecting rod (302b).

9. A method for using a tool for measuring the curvature of a large crankshaft forging, characterized in that: The method for using the tooling for measuring the curvature of a large crankshaft forging according to any one of claims 1 to 8 specifically comprises the following steps: S1. First, the rotating block (201d) is rotated to rotate the threaded sleeve (201c) to change the height of the threaded sleeve (201c); S2. Rotate the screw (203d) to move the tooth plate (203c), and drive the connecting gear (202c) to drive the other two receiving grooves (202b) to move; S3. The receiving groove (202b) moves to drive the clamping block (204c) to move, thereby fixing or removing the marking line (105); S4. Then, the reciprocating screw rod (301b) is rotated to move the reciprocating screw rod (301b), and the reciprocating screw rod (301b) is fixed to the scale (301e), thereby driving the scale (301e) to move, and completing the measurement of the curvature of the fixed pipe clamp (103).

Images