A universal crankshaft tensile testing tooling

Abstract

The present invention discloses a universal crankshaft tensile testing tooling, which includes a base and a fixing block. The base is provided with a fixing groove adapted to the fixing block. The fixing block is detachably connected to the base. The fixing block is provided with an interchangeable positioning pin mounting hole, and an interchangeable positioning pin for fixing the crankshaft is mounted in the interchangeable positioning pin mounting hole. The interchangeable positioning pin is detachably connected to the fixing block. The fixing block is provided with a plurality of interchangeable positioning pin placement holes for placing the interchangeable positioning pins. The fixing block is fixed to the base through fixing screws. The fixing block is provided with screw mounting holes adapted to the fixing screws, and the base is provided with screw fixing holes adapted to the fixing screws. By making the fixing block detachably connected to the base, the fixing block is provided with an interchangeable positioning pin mounting hole for mounting the interchangeable positioning pin, and the interchangeable positioning pin is detachably connected to the fixing block, it is convenient to replace different types of interchangeable positioning pins to adapt to the tensile testing of different types of crankshafts.

Description

Technical Field

[0001] The present invention relates to the technical field of crankshafts, and particularly to a universal crankshaft tensile testing tooling. Background Art

[0002] At present, after various types of cabinet air conditioner crankshafts are assembled into finished products and operate, they can only rotate normally, and it is impossible to measure the strength, and it is impossible to guarantee the strength suffered during long-term rotation. There is a risk of after-sales complaints about deformation or fracture of the crankshaft shaft.

[0003] Therefore, during the production of cabinet air conditioner crankshafts, it is necessary to randomly inspect the strength of the crankshaft shafts to ensure that the shaft strength is qualified and there will be no deformation or fracture during operation.

[0004] However, the shapes of various types of cabinet air conditioner crankshaft products are different, and it is impossible to visually or manually inspect the strength of the crankshaft shafts.

[0005] Therefore, there is an urgent need for a simple and efficient testing tooling to adapt to the tensile testing of crankshaft products with various different shapes. Summary of the Invention

[0006] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a universal crankshaft tensile testing tooling to adapt to the tensile testing of crankshaft products with various different shapes.

[0007] The technical solution adopted by the present invention to solve its technical problems is: a universal crankshaft tensile testing tooling, including a base and a fixing block. The base is provided with a fixing groove adapted to the fixing block. The fixing block is detachably connected to the base. The fixing block is provided with an interchangeable positioning pin mounting hole. An interchangeable positioning pin for fixing the crankshaft is installed in the interchangeable positioning pin mounting hole. The interchangeable positioning pin is detachably connected to the fixing block. The fixing block is provided with a plurality of interchangeable positioning pin placement holes for placing the interchangeable positioning pins. By the detachable connection between the fixing block and the base, the fixing block is provided with an interchangeable positioning pin mounting hole for installing the interchangeable positioning pin, and the interchangeable positioning pin is detachably connected to the fixing block, which is convenient for replacing different types of interchangeable positioning pins to adapt to the tensile testing of different types of crankshafts.

[0008] As a further improvement of the present invention: the fixing block is fixed to the base by fixing screws. The fixing block is provided with screw mounting holes adapted to the fixing screws. The base is provided with screw fixing holes adapted to the fixing screws.

[0009] As a further improvement of the present invention: it further includes a tensiometer. The tensiometer is provided with a tensiometer hook. The tensiometer hook is adapted to the shaft of the crankshaft. The tensiometer hook is used to hook the shaft of the crankshaft.

[0010] As a further improvement of the present invention: the base is provided with more than 2 fixing grooves.

[0011] As a further improvement of the present invention: The base is provided with 2 fixing grooves.

[0012] As a further improvement of the present invention: The base has a square structure.

[0013] As a further improvement of the present invention: The base is provided with a first fixing groove and a second fixing groove. The fixing block includes a first fixing block and a second fixing block. The first fixing block is installed in the first fixing groove, and the second fixing block is installed in the second fixing groove. The first fixing block is provided with a first interchange positioning pin mounting hole, and the second fixing block is provided with a second interchange positioning pin mounting hole. The first fixing block is fixed to the base by a first fixing screw, and the second fixing block is fixed to the base by a second fixing screw.

[0014] As a further improvement of the present invention: The base is provided with more than 2 interchange positioning pin placement holes.

[0015] As a further improvement of the present invention: The base is provided with 4 interchange positioning pin placement holes.

[0016] As a further improvement of the present invention: The base is provided with 6 interchange positioning pin placement holes.

[0017] As a further improvement of the present invention: The interchange positioning pin placement holes include a first interchange positioning pin placement hole, a second interchange positioning pin placement hole, a third interchange positioning pin placement hole, and a fourth interchange positioning pin placement hole.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. In the present invention, the fixing block and the base are detachably connected. The fixing block is provided with an interchange positioning pin mounting hole for mounting an interchange positioning pin, and the interchange positioning pin and the fixing block are detachably connected, so as to facilitate the replacement of different types of interchange positioning pins to adapt to the tensile force detection of different types of crankshafts.

[0020] 2. In the present invention, by providing a plurality of interchange positioning pin placement holes, the plurality of interchange positioning pin placement holes are respectively used for placing different types of interchange positioning pins, which is convenient for storing different types of interchange positioning pins and facilitates the operator to take and replace different types of interchange positioning pins.

[0021] 3. The present invention provides a universal crankshaft tensile force detection tooling. The tooling is simple to operate. By replacing different types of interchange positioning pins, it can measure various types of crankshafts. Cooperating with a tensile force meter, it can obtain whether the rotating shaft of the crankshaft is within the qualified range and the strength value, solves the difficult problem of strength detection of various types of cabinet air conditioner crankshafts, and improves the work efficiency of measurement personnel.

[0022] 4. The present invention is easy to manufacture and operate. It can measure up to 6 different types of crankshafts, and at the same time, it can measure 2 different types of crankshafts. By swapping the positioning pins, it can measure multiple types of crankshafts. After placing the crankshaft product in the positioning pins and cooperating with a tensiometer, it can obtain whether the crankshaft rotation shaft is within the qualified range and the strength value. The entire detection process is intuitive and visible, the detection results are fast, effective, and reliable, and the detection work efficiency is high. Description of the Drawings

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 It is a top view of the present invention.

[0025] Figure 3 It is a cross-sectional view of the present invention.

[0026] Figure 4 It is a cross-sectional view of the present invention from another angle.

[0027] Figure 5 It is a schematic diagram of the assembly structure of the present invention.

[0028] Figure 6 It is a schematic diagram of the use state of the present invention.

[0029] Figure 7 It is a cross-sectional view of the use state of the present invention.

[0030] Reference numerals: 1, base; 2, fixing block; 3, fixing groove; 4, screw mounting hole; 5, interchangeable positioning pin mounting hole; 6, interchangeable positioning pin; 7, interchangeable positioning pin placement hole; 8, fixing screw; 9, crankshaft; 10, tensiometer; 11, tensiometer hook. Detailed Embodiments

[0031] In this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the related terms "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to this process, method, article or device. Now, the present invention will be further described in conjunction with the drawings and embodiments:

[0032] Please refer to Figures 1-7, A universal crankshaft tensile testing tooling, comprising a base 1 and a fixing block 2. The base is provided with a fixing groove 3 adapted to the fixing block. The fixing block is detachably connected to the base. The fixing block is provided with an interchangeable positioning pin mounting hole 5. An interchangeable positioning pin 6 for fixing the crankshaft 9 is mounted in the interchangeable positioning pin mounting hole. The interchangeable positioning pin is detachably connected to the fixing block. The fixing block is provided with a plurality of interchangeable positioning pin placement holes 7 for placing the interchangeable positioning pins.

[0033] Since the fixing block is detachably connected to the base, the fixing block is provided with an interchangeable positioning pin mounting hole for mounting the interchangeable positioning pin, and the interchangeable positioning pin is detachably connected to the fixing block, which facilitates the replacement of different types of interchangeable positioning pins to adapt to the tensile testing of different types of crankshafts.

[0034] The fixing block is fixed to the base by fixing screws 8. The fixing block is provided with screw mounting holes 4 adapted to the fixing screws, and the base is provided with screw fixing holes adapted to the fixing screws.

[0035] A universal crankshaft tensile testing tooling further comprises a dynamometer 10. The dynamometer is provided with a dynamometer hook 11. The dynamometer hook is adapted to the rotating shaft of the crankshaft, and the dynamometer hook is used to hook the rotating shaft of the crankshaft.

[0036] The base is of a square structure.

[0037] The base is provided with more than 2 fixing grooves.

[0038] Further, the base is provided with 2 fixing grooves.

[0039] The base is provided with a first fixing groove and a second fixing groove. The fixing block includes a first fixing block and a second fixing block. The first fixing block is mounted in the first fixing groove, and the second fixing block is mounted in the second fixing groove. The first fixing block is provided with a first interchangeable positioning pin mounting hole, and the second fixing block is provided with a second interchangeable positioning pin mounting hole. The first fixing block is fixed to the base by a first fixing screw, and the second fixing block is fixed to the base by a second fixing screw.

[0040] The base is provided with more than 2 interchangeable positioning pin placement holes.

[0041] Further, the base is provided with 4 interchangeable positioning pin placement holes.

[0042] Further, the base is provided with 6 interchangeable positioning pin placement holes.

[0043] The interchangeable positioning pin placement holes include a first interchangeable positioning pin placement hole, a second interchangeable positioning pin placement hole, a third interchangeable positioning pin placement hole, and a fourth interchangeable positioning pin placement hole.

[0044] The first interchangeable positioning pin placement hole, the second interchangeable positioning pin placement hole, the third interchangeable positioning pin placement hole, and the fourth interchangeable positioning pin placement hole are respectively used for placing different types of interchangeable positioning pins to adapt to various different types of crankshafts.

[0045] The present invention provides a universal crankshaft tensile force detection tooling. By using various types of interchangeable positioning pins, a universal crankshaft tensile force detection tooling is realized to measure the tensile forces of various different types of crankshafts.

[0046] The present invention can measure various different types of crankshafts, is convenient to carry, and has simple operation. The present invention can accurately position the placement position of the crankshaft rotating shaft, facilitating measurement.

[0047] The present invention can quickly detect the strength of the crankshaft rotating shaft. In cooperation with a tensile force meter, it can be determined whether the crankshaft rotating shaft is within the qualified range.

[0048] The present invention is simple to manufacture and operate. It can measure up to 6 different types of crankshafts, and at the same time can measure 2 different types of crankshafts. By using interchangeable positioning pins to measure various types of crankshafts, after placing the crankshaft product on the positioning pins and cooperating with a tensile force meter, it can be determined whether the crankshaft rotating shaft is within the qualified range and the strength value. The entire detection process is visually observable, the detection results are fast, effective, and reliable, and the detection work efficiency is high.

[0049] The working principle of the present invention:

[0050] Step 1: First, insert the interchangeable positioning pin from the back of the fixing block 4, then insert the fixing block from the front into the base, and fasten it with fixing screws;

[0051] Step 2: Place the crankshaft product face-up on the interchangeable positioning pins. Hook the hook of the tensile force meter onto the rotating shaft of the crankshaft product, hold the tensile force meter and pull it outwards. The hook of the tensile force meter will drive the rotating shaft of the crankshaft product to be stressed. Since the crankshaft product is fixed on the positioning pins and does not move, when the value on the tensile force meter turns to the set qualified range, remove the tensile force meter and check whether the crankshaft product shows deformation or fracture, so as to directly determine whether the rotating shaft strength of the crankshaft product is qualified;

[0052] If measuring other types of crankshafts, the interchangeable positioning pin corresponding to the product can be taken out from the base, repeat Step 1 to assemble the workpiece, and repeat Step 2 to measure the crankshaft. In this way, various different types of crankshafts can be measured.

[0053] Embodiment 1:

[0054] A universal crankshaft tensile testing tooling, comprising a base and a fixing block. The base is provided with a fixing groove adapted to the fixing block. The fixing block is detachably connected to the base. The fixing block is provided with an interchangeable positioning pin mounting hole, and an interchangeable positioning pin for fixing the crankshaft is installed in the interchangeable positioning pin mounting hole. The interchangeable positioning pin is detachably connected to the fixing block. The fixing block is provided with a plurality of interchangeable positioning pin placement holes for placing the interchangeable positioning pins. By the detachable connection between the fixing block and the base, the fixing block is provided with an interchangeable positioning pin mounting hole for installing the interchangeable positioning pin, and the interchangeable positioning pin is detachably connected to the fixing block, which facilitates the replacement of different types of interchangeable positioning pins to adapt to the tensile testing of different types of crankshafts. The fixing block is fixed to the base by fixing screws. The fixing block is provided with screw mounting holes adapted to the fixing screws, and the base is provided with screw fixing holes adapted to the fixing screws. A universal crankshaft tensile testing tooling further comprises a tensile meter. The tensile meter is provided with a tensile meter hook, and the tensile meter hook is adapted to the rotating shaft of the crankshaft. The tensile meter hook is used to hook the rotating shaft of the crankshaft. The base is provided with 2 fixing grooves. The base is provided with a first fixing groove and a second fixing groove. The fixing block comprises a first fixing block and a second fixing block. The first fixing block is installed in the first fixing groove, and the second fixing block is installed in the second fixing groove. The first fixing block is provided with a first interchangeable positioning pin mounting hole, and the second fixing block is provided with a second interchangeable positioning pin mounting hole. The first fixing block is fixed to the base by a first fixing screw, and the second fixing block is fixed to the base by a second fixing screw.

[0055] Embodiment Case Two:

[0056] A universal crankshaft tensile testing tooling, comprising a base and a fixing block. The base is provided with a fixing groove adapted to the fixing block. The fixing block is detachably connected to the base. The fixing block is provided with an interchangeable positioning pin mounting hole, and an interchangeable positioning pin for fixing the crankshaft is mounted in the interchangeable positioning pin mounting hole. The interchangeable positioning pin is detachably connected to the fixing block. The fixing block is provided with a plurality of interchangeable positioning pin placement holes for placing the interchangeable positioning pins. By the detachable connection between the fixing block and the base, the fixing block is provided with an interchangeable positioning pin mounting hole for mounting the interchangeable positioning pin, and the interchangeable positioning pin is detachably connected to the fixing block, which facilitates the replacement of different types of interchangeable positioning pins to adapt to the tensile testing of different types of crankshafts. The fixing block is fixed to the base by fixing screws. The fixing block is provided with screw mounting holes adapted to the fixing screws, and the base is provided with screw fixing holes adapted to the fixing screws. A universal crankshaft tensile testing tooling further comprises a dynamometer. The dynamometer is provided with a dynamometer hook, and the dynamometer hook is adapted to the rotating shaft of the crankshaft. The dynamometer hook is used for hooking the rotating shaft of the crankshaft. The base is provided with 2 fixing grooves. The base is provided with a first fixing groove and a second fixing groove. The fixing block comprises a first fixing block and a second fixing block. The first fixing block is mounted in the first fixing groove, and the second fixing block is mounted in the second fixing groove. The first fixing block is provided with a first interchangeable positioning pin mounting hole, and the second fixing block is provided with a second interchangeable positioning pin mounting hole. The first fixing block is fixed to the base by a first fixing screw, and the second fixing block is fixed to the base by a second fixing screw. The base is provided with 4 interchangeable positioning pin placement holes. The interchangeable positioning pin placement holes include a first interchangeable positioning pin placement hole, a second interchangeable positioning pin placement hole, a third interchangeable positioning pin placement hole, and a fourth interchangeable positioning pin placement hole. The first interchangeable positioning pin placement hole, the second interchangeable positioning pin placement hole, the third interchangeable positioning pin placement hole, and the fourth interchangeable positioning pin placement hole are respectively used for placing different types of interchangeable positioning pins to adapt to a variety of different types of crankshafts. The present invention is simple to manufacture and operate, can measure up to 6 different types of crankshafts, and can measure 2 different types of crankshafts at the same time. By using interchangeable positioning pins to measure various types of crankshafts, after placing the crankshaft product in the positioning pins and cooperating with the dynamometer, it can be obtained whether the rotating shaft of the crankshaft is within the qualified range and the strength value. The whole detection process is intuitive and visible, the detection result is fast, effective and reliable, and the detection work efficiency is high.

[0057] Embodiment Case Three:

[0058] A universal crankshaft tensile testing tooling, comprising a base and a fixing block. The base is provided with a fixing groove adapted to the fixing block. The fixing block is detachably connected to the base. The fixing block is provided with an interchangeable positioning pin mounting hole, and an interchangeable positioning pin for fixing the crankshaft is mounted in the interchangeable positioning pin mounting hole. The interchangeable positioning pin is detachably connected to the fixing block. The fixing block is provided with a plurality of interchangeable positioning pin placement holes for placing the interchangeable positioning pins. By the detachable connection between the fixing block and the base, the fixing block is provided with an interchangeable positioning pin mounting hole for mounting the interchangeable positioning pin, and the interchangeable positioning pin is detachably connected to the fixing block, it is convenient to replace different types of interchangeable positioning pins to adapt to the tensile testing of different types of crankshafts. The fixing block is fixed to the base by fixing screws. The fixing block is provided with screw mounting holes adapted to the fixing screws, and the base is provided with screw fixing holes adapted to the fixing screws. A universal crankshaft tensile testing tooling further comprises a tensile meter. The tensile meter is provided with a tensile meter hook adapted to the rotating shaft of the crankshaft. The tensile meter hook is used for hooking the rotating shaft of the crankshaft. The base is provided with 2 fixing grooves. The base is provided with a first fixing groove and a second fixing groove. The fixing block comprises a first fixing block and a second fixing block. The first fixing block is mounted in the first fixing groove, and the second fixing block is mounted in the second fixing groove. The first fixing block is provided with a first interchangeable positioning pin mounting hole, and the second fixing block is provided with a second interchangeable positioning pin mounting hole. The first fixing block is fixed to the base by a first fixing screw, and the second fixing block is fixed to the base by a second fixing screw. The base is provided with 6 interchangeable positioning pin placement holes.

[0059] The main functions of the present invention:

[0060] In the present invention, by the detachable connection between the fixing block and the base, the fixing block is provided with an interchangeable positioning pin mounting hole for mounting the interchangeable positioning pin, and the interchangeable positioning pin is detachably connected to the fixing block, so as to facilitate the replacement of different types of interchangeable positioning pins to adapt to the tensile testing of different types of crankshafts. In the present invention, by providing a plurality of interchangeable positioning pin placement holes, the plurality of interchangeable positioning pin placement holes are respectively used for placing different types of interchangeable positioning pins, which is convenient for storing different types of interchangeable positioning pins and convenient for the operator to take and replace different types of interchangeable positioning pins. The present invention is simple to manufacture and operate, can measure up to 6 different types of crankshafts, and can measure 2 different types of crankshafts at the same time. By using the interchangeable positioning pin to measure various types of crankshafts, after placing the crankshaft product into the positioning pin and cooperating with the tensile meter, it can be obtained whether the rotating shaft of the crankshaft is within the qualified range and the strength value. The whole detection process is intuitive and visible, the detection result is fast, effective and reliable, and the detection work efficiency is high.

[0061] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "upper end face", "lower end face", "top", "bottom", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention. Therefore, it should not be construed as a limitation on the actual use direction of the present invention.

[0062] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

Claims

1. A universal crankshaft tensile testing tooling, characterized in that: It includes a base and a fixing block. The base is provided with a fixing groove adapted to the fixing block. The fixing block is detachably connected to the base. The fixing block is provided with an interchangeable positioning pin mounting hole, and an interchangeable positioning pin for fixing the crankshaft is mounted in the interchangeable positioning pin mounting hole. The interchangeable positioning pin is detachably connected to the fixing block. The fixing block is provided with a number of interchangeable positioning pin placement holes for placing the interchangeable positioning pins; the fixing block is fixed to the base by fixing screws. The fixing block is provided with screw mounting holes adapted to the fixing screws, and the base is provided with screw fixing holes adapted to the fixing screws; it further includes a dynamometer, and the dynamometer is provided with a dynamometer hook adapted to the rotating shaft of the crankshaft.

2. The universal crankshaft tensile force detection tooling according to claim 1, characterized in that: The base is provided with more than 2 fixing grooves.

3. The universal crankshaft tensile testing tooling according to claim 1, wherein: The base has a square structure.

4. The universal crankshaft tensile force detection tooling according to claim 1, wherein: The base is provided with a first fixing groove and a second fixing groove. The fixing block includes a first fixing block and a second fixing block. The first fixing block is mounted in the first fixing groove, and the second fixing block is mounted in the second fixing groove. The first fixing block is provided with a first interchangeable positioning pin mounting hole, and the second fixing block is provided with a second interchangeable positioning pin mounting hole. The first fixing block is fixed to the base by a first fixing screw, and the second fixing block is fixed to the base by a second fixing screw.

5. The universal crankshaft tensile force detection tooling according to claim 1, characterized in that: The base is provided with more than 2 interchangeable positioning pin placement holes.

6. The universal crankshaft tensile force detection tooling according to claim 1, characterized in that: The base is provided with 4 interchangeable positioning pin placement holes.

7. The universal crankshaft tensile testing tooling according to claim 1, characterized in that: The base is provided with 6 interchangeable positioning pin placement holes.

8. The universal crankshaft tensile force detection tooling according to claim 6, characterized in that: The interchangeable positioning pin placement holes include a first interchangeable positioning pin placement hole, a second interchangeable positioning pin placement hole, a third interchangeable positioning pin placement hole, and a fourth interchangeable positioning pin placement hole.

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