Portable and adjustable crankshaft detection device

Abstract

The portable and adjustable crankshaft detection device comprises a base and a folding plate, a rotating cylinder is installed on the upper wall of the base, a transverse rod is installed on the lower wall of the folding plate, the transverse rod is rotationally installed in the rotating cylinder, a first sliding groove is formed in the upper wall of the folding plate, a supporting plate is installed in the first sliding groove in a sliding mode, and a fixing cylinder is installed on the side wall of the supporting plate; a dial indicator is installed in the fixing cylinder in an inserted mode, a supporting plate is installed in the first sliding groove in a sliding mode, a clamping groove is formed in the upper wall of the base, a main electromagnet is installed on the side wall of the end, located in the first sliding groove, of the supporting plate in an inserted mode, and an iron plate is installed in the first sliding groove. Wherein the folding plate can be folded through the cooperation of the rotating cylinder and the cross rod, so that the occupied area of the device is reduced, the device is convenient to carry, in addition, the position of the supporting seat for supporting the crankshaft in the device can be adjusted, and the device can detect crankshafts with different lengths.

Description

Technical Field

[0001] This patent relates to the field of crankshaft detection technology, specifically a portable and adjustable crankshaft detection device. Background Art

[0002] The crankshaft is the most important part of the engine. It bears the force from the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine. The bending of the crankshaft needs to be detected by the form and position tolerance circle runout and total runout. The existing detection device generally places the contact of the dial indicator vertically on the journal in the middle of the crankshaft, and then determines the bending of the crankshaft through the reading of the dial indicator.

[0003] However, in the existing detection device, the dial indicator needs to be mounted on a placement frame, and the placement frame is vertically arranged on the base, so that the existing detection device occupies a large area when being carried, and is inconvenient to carry. Utility Model Content

[0004] The purpose of this patent is to provide a portable and adjustable crankshaft detection device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, this patent provides the following technical solutions: a portable and adjustable crankshaft detection device, comprising a base and a folding plate, wherein a rotating cylinder is installed on the upper wall of the base, and a cross bar is installed on the lower wall of the folding plate, and the cross bar is rotatably installed in the rotating cylinder;

[0006] The upper wall of the folding plate is provided with a first slide groove, a support plate is slidably installed in the first slide groove, a fixed cylinder is installed on the side wall of the support plate, a dial indicator is inserted and installed in the fixed cylinder, a support plate is slidably installed in the first slide groove, the cross section of the support plate is L-shaped, and a card slot is provided on the upper wall of the base, and the lower wall of the support plate can be inserted into the card slot;

[0007] A main electromagnet is inserted and installed on the side wall of one end of the support plate located in the first slide groove, an iron plate is installed in the first slide groove, and the main electromagnet can be adsorbed on the side wall of the iron plate.

[0008] Preferably, a second slide groove is opened on the upper wall of the base, and a support seat is slidably installed in the second slide groove. There are two support seats in total, and the two support seats are respectively arranged on the left and right sides of the base. A secondary electromagnet is inserted and installed on the lower wall of the support seat, and the secondary electromagnet can be adsorbed on the base.

[0009] Preferably, the support seat includes a telescopic rod, a top block and an arc groove, the lower end of the telescopic rod is slidably installed in the second slide groove, the top of the telescopic rod is installed with a top block, the upper wall of the top block is provided with an arc groove, and the side wall of the telescopic rod is provided with scale lines.

[0010] Preferably, it further comprises a crankshaft, and two ends of the crankshaft are respectively placed in the arc grooves on the two top blocks.

[0011] Preferably, threaded holes are provided at the four corners of the base, bolts are screwed into the threaded holes, and supporting feet are installed on the lower walls of the bolts.

[0012] Preferably, a tubular bubble level is installed in the middle of the upper wall of the base.

[0013] Compared with the prior art, the beneficial effects of this patent are:

[0014] In the device, the dial indicator is fixed on a folding plate, wherein the folding plate can be folded by the cooperation of the rotating cylinder and the cross bar, so that the area occupied by the device is reduced, thereby making the device convenient to carry. In addition, the position of the support seat supporting the crankshaft in the device can be adjusted, so that the device can detect crankshafts of different lengths;

[0015] In addition, the device is also provided with a tubular bubble level on the base. By closing the device and rotating the bolt, the base of the device is ensured to be level, thereby avoiding affecting the detection result of the crankshaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of this patent.

[0017] Figure 2 This is a schematic diagram of the side structure of this patent.

[0018] In the figure: 1 base, 2 folding plate, 3 rotating cylinder, 4 cross bar, 5 first slide groove, 6 support plate, 7 fixed cylinder, 8 dial indicator, 9 support plate, 10 slot, 11 main electromagnet, 12 iron plate, 13 second slide groove, 14 support seat, 141 telescopic rod, 142 top block, 143 arc groove, 15 auxiliary electromagnet, 16 crankshaft, 17 threaded hole, 18 bolt, 19 support foot, 20 tubular bubble level. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0020] See also Figure 1-2 This patent provides a technical solution: a portable and adjustable crankshaft detection device, comprising a base 1 and a folding plate 2, a rotating cylinder 3 is installed on the upper wall of the base 1, a cross bar 4 is installed on the lower wall of the folding plate 2, and the cross bar 4 is rotatably installed in the rotating cylinder 3;

[0021] The folding plate 2 can be folded to reduce the space occupied by the device, making the device more convenient to carry. At the same time, the dial gauge 8 can be removed separately for storage to avoid damage to the dial gauge 8 due to impact, which affects its use.

[0022] A first slide groove 5 is provided on the upper wall of the folding plate 2, a support plate 6 is slidably installed in the first slide groove 5, a fixed cylinder 7 is installed on the side wall of the support plate 6, a dial indicator 8 is inserted and installed in the fixed cylinder 7, a support plate 9 is slidably installed in the first slide groove 5, and the cross section of the support plate 9 is L-shaped, and a card slot 10 is provided on the upper wall of the base 1, and the lower wall of the support plate 9 can be inserted into the card slot 10;

[0023] When using the device, in order to ensure that the folding plate 2 and the base 1 are at 90 degrees, the device is provided with an L-shaped support plate 9, and the folding plate 2 is supported by the support plate 9 so that the folding plate 2 and the base 1 are kept at 90 degrees;

[0024] Also refer to the attached Figure 2 A baffle is provided on the side wall of the rotating cylinder 3, and the baffle can block the folding plate 2 to prevent the folding plate 2 from being excessively tilted;

[0025] A main electromagnet 11 is inserted into the side wall of one end of the support plate 6 located in the first chute 5, and an iron plate 12 is installed in the first chute 5. The main electromagnet 11 can be adsorbed on the side wall of the iron plate 12;

[0026] The main electromagnet 11 is energized to generate magnetic force, thereby fixing the support plate 6 in the first chute 5 and fixing the position of the dial indicator 8.

[0027] Specifically, a second slide groove 13 is provided on the upper wall of the base 1, and a support seat 14 is slidably installed in the second slide groove 13. There are two support seats 14, which are respectively arranged on the left and right sides of the base 1. A secondary electromagnet 15 is inserted and installed on the lower wall of the support seat 14, and the secondary electromagnet 15 can be adsorbed on the base 1;

[0028] The position of the support seat 14 can be adjusted by sliding so that it can adapt to crankshafts 16 of different lengths. After the adjustment is completed, the auxiliary electromagnet 15 is energized to fix the position of the support seat 14.

[0029] Specifically, the support seat 14 includes a telescopic rod 141, a top block 142 and an arc groove 143. The lower end of the telescopic rod 141 is slidably installed in the second slide groove 13, the top of the telescopic rod 141 is installed with a top block 142, the upper wall of the top block 142 is provided with an arc groove 143, and the side wall of the telescopic rod 141 is provided with scale lines;

[0030] Because the widths of the different crankshafts 16 are also different, the height of the support seat 14 in the device can also be adjusted;

[0031] Herein, a knob is provided on the side wall of the telescopic rod 141, and the telescopic rod 141 can be fixed by the knob after the length thereof is adjusted;

[0032] Before testing the crankshaft 16 , it is necessary to ensure that the lengths of the two telescopic rods 141 are consistent so that the top blocks 142 thereof are in the same horizontal line.

[0033] Specifically, it also includes a crankshaft 16 , and two ends of the crankshaft 16 are respectively placed in the arc grooves 143 on the two top blocks 142 .

[0034] Specifically, threaded holes 17 are provided at the four corners of the base 1 , bolts 18 are screwed into the threaded holes 17 , and supporting feet 19 are installed on the lower wall of the bolts 18 .

[0035] Specifically, a tubular bubble level 20 is installed in the middle of the upper wall of the base 1;

[0036] The staff can observe the water bubble in the tubular bubble level 20 and then adjust the base 1 to a level by rotating the bolt 18 to avoid affecting the detection structure.

[0037] Working principle: Before testing, place the device on a flat surface, observe the water bubble in the tubular bubble level 20, and then turn the bolt 18 to adjust the base 1 to a horizontal level;

[0038] Then place the crankshaft 16 on the two support seats 14, and then adjust the length of the two telescopic rods 141 so that the contact of the dial gauge 8 is on the journal in the middle of the crankshaft 16, and then rotate the crankshaft 16, observe the reading of the dial gauge 8, and detect the bending degree of the crankshaft 16;

[0039] After the inspection is completed, the crankshaft 16 is removed, and then the main electromagnet 11 is powered off, and then the support plate 6 is taken out from the first slide groove 5 so that the dial indicator 8 can be stored separately, and then the support plate 9 is taken out from the first slide groove 5 to release the obstruction to the folding plate 2, and then the folding plate 2 is folded for easy carrying.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A portable and adjustable crankshaft detection device, comprising a base (1) and a folding plate (2), characterized in that: A rotating cylinder (3) is installed on the upper wall of the base (1), a cross bar (4) is installed on the lower wall of the folding plate (2), and the cross bar (4) is rotatably installed in the rotating cylinder (3); The upper wall of the folding plate (2) is provided with a first slide groove (5), a support plate (6) is slidably installed in the first slide groove (5), a fixing cylinder (7) is installed on the side wall of the support plate (6), a dial indicator (8) is inserted and installed in the fixing cylinder (7), a support plate (9) is slidably installed in the first slide groove (5), the cross section of the support plate (9) is L-shaped, and a clamping groove (10) is provided on the upper wall of the base (1), and the lower wall of the support plate (9) can be clamped into the clamping groove (10); A main electromagnet (11) is inserted and installed on the side wall of one end of the support plate (6) located in the first slide groove (5); an iron plate (12) is installed in the first slide groove (5); and the main electromagnet (11) can be adsorbed on the side wall of the iron plate (12).

2. A portable and adjustable crankshaft detection device according to claim 1, characterized in that: The upper wall of the base (1) is provided with a second slide groove (13), a support seat (14) is slidably mounted in the second slide groove (13), there are two support seats (14), the two support seats (14) are respectively arranged on the left and right sides of the base (1), and a secondary electromagnet (15) is inserted and mounted on the lower wall of the support seat (14), and the secondary electromagnet (15) can be adsorbed on the base (1).

3. A portable and adjustable crankshaft detection device according to claim 2, characterized in that: The support seat (14) comprises a telescopic rod (141), a top block (142) and an arc-shaped groove (143); the lower end of the telescopic rod (141) is slidably mounted in the second slide groove (13); the top block (142) is mounted on the top of the telescopic rod (141); the upper wall of the top block (142) is provided with an arc-shaped groove (143); and the side wall of the telescopic rod (141) is provided with scale lines.

4. A portable and adjustable crankshaft detection device according to claim 3, characterized in that: It also includes a crankshaft (16), with two ends of the crankshaft (16) respectively placed in arc-shaped grooves (143) on the two top blocks (142).

5. A portable and adjustable crankshaft detection device according to claim 3, characterized in that: The four corners of the base (1) are provided with threaded holes (17), bolts (18) are screwed into the threaded holes (17), and supporting feet (19) are installed on the lower wall of the bolts (18).

6. A portable and adjustable crankshaft detection device according to claim 1, characterized in that: A tubular bubble level (20) is installed in the middle of the upper wall of the base (1).

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