Mechanical equipment for detecting strength of steel part

Abstract

The utility model provides mechanical equipment for detecting the strength of a steel part, and relates to the technical field of part strength detection. A top seat is mounted at the top of the base, a hydraulic cylinder is mounted at the top of the top seat, and a piston rod of the hydraulic cylinder penetrates through the top seat; the top of the base is connected with an upper stress piece and a lower stress piece, the lower stress piece is located below the upper stress piece, the bottom end of a piston rod of the hydraulic cylinder is connected with the top of the upper stress piece, and digital display pressure gauges are installed in the middle of the upper stress piece and the middle of the lower stress piece. A lower clamping base is installed on the top of the base, and a supporting base is installed on the top of the lower clamping base. The hydraulic cylinder drives the upper stress piece, the lower stress piece and the digital display pressure gauge to move downwards, so that the bottom of the lower stress piece is in contact with a part, the hydraulic cylinder gradually pressurizes, the distance between the upper stress piece and the lower stress piece is reduced, and the digital display pressure gauge displays the pressure borne by the part until the part is broken due to the fact that the stress exceeds the limit. And the final strength value of the part can be measured.

Description

Technical Field

[0001] The utility model relates to the technical field of parts strength detection, in particular to a mechanical device for steel parts strength detection. Background Art

[0002] Parts are the basic elements that make up a machine and can be broadly divided into two categories: one type is parts that can be used in various machines, called universal parts; the other type is parts that are only used in certain types of machines, called special parts. Parts are generally measured for many properties, and rigidity is one of them. It requires the use of specialized mechanical equipment for testing.

[0003] In the application process of the existing mechanical equipment for steel strength testing, parts are usually pressurized and tested in a confined space, which is not convenient for taking and placing parts. In addition, during the test, there is a lack of effective limit fixation for the parts, and the stability of the parts is relatively poor, which affects the testing process of the parts. Utility Model Content

[0004] The present disclosure relates to a mechanical device for testing the strength of steel parts, which solves the problem that in the application process of existing mechanical equipment for testing the strength of steel parts, parts are usually pressurized and tested in a closed space, which is inconvenient for taking and placing parts. During testing, there is a lack of effective limit fixation for the parts, and the stability of the parts is relatively poor, which affects the testing process of the parts.

[0005] In the first aspect of the present disclosure, a mechanical device for testing the strength of steel parts is provided, which specifically includes: a base, a top seat, a hydraulic cylinder, a load-bearing upper part, a load-bearing lower part, a digital pressure gauge, a lower clamping seat, a support seat, an upper clamping seat and bolts; the top of the base is installed with a top seat, the top of the top seat is installed with a hydraulic cylinder, and the piston rod of the hydraulic cylinder passes through the top seat; the top of the base is connected with a load-bearing upper part and a load-bearing lower part, the load-bearing lower part is located below the load-bearing upper part, the bottom end of the piston rod of the hydraulic cylinder is connected to the top of the load-bearing upper part, and a digital pressure gauge is installed in the middle of the load-bearing upper part and the load-bearing lower part; the top of the base is installed with a lower clamping seat, the top of the lower clamping seat is installed with a support seat, and the inside of the support seat is connected with bolts; the top of the lower clamping seat is connected with the upper clamping seat.

[0006] Furthermore, two sliding rods are provided on the top of the lower clamping seat, and sliding holes are provided at both ends of the upper clamping seat, and the sliding rods slide through the sliding holes.

[0007] Furthermore, a screw hole is provided in the middle portion of the support seat, a bolt is threadedly connected to the screw hole, and the bottom end of the bolt contacts the top of the upper clamp seat. When the end of the part to be inspected is placed on the top of the lower clamp seat, the bolt is rotated, and the bolt drives the upper clamp seat to move downward, so that the upper clamp seat contacts the end of the part, thereby clamping and fixing the end of the part.

[0008] Furthermore, two vertical guide rods are provided on the top of the base, and upper guide holes are provided at both ends of the force-bearing upper member, and the vertical guide rods slide through the upper guide holes.

[0009] Furthermore, lower guide holes are provided at both ends of the load-bearing lower member, and the vertical guide rods slide through the lower guide holes.

[0010] Furthermore, the top of the digital pressure gauge contacts the bottom side of the stressed upper part, and the bottom of the digital pressure gauge contacts the top side of the stressed lower part. The hydraulic cylinder drives the stressed upper part, the stressed lower part and the digital pressure gauge to move downward, so that the bottom of the stressed lower part contacts the part. The hydraulic cylinder gradually increases the pressure, and the distance between the stressed upper part and the stressed lower part is reduced. The digital pressure gauge displays the pressure on the part.

[0011] Furthermore, a through hole is provided inside the force-bearing upper part, and a mushroom column is provided on the top of the force-bearing lower part. The mushroom column slides through the through hole, and the top of the mushroom column contacts the top side of the force-bearing lower part. When the hydraulic cylinder drives the force-bearing upper part to move upward, the top of the mushroom column contacts the top side of the force-bearing lower part and bears the force, driving the force-bearing lower part and the digital pressure gauge to move upward, so that the bottom of the force-bearing lower part is separated from the part.

[0012] The utility model provides a mechanical device for steel strength testing, which has the following beneficial effects:

[0013] When the utility model is in use, after the end of the part to be tested is placed on the top of the lower clamping seat, the bolt is rotated, and the bolt drives the upper clamping seat to move downward, so that the upper clamping seat contacts the end of the part, thereby clamping and fixing the end of the part, and ensuring the stability of the part strength testing process.

[0014] In addition, the hydraulic cylinder drives the upper stressed part, the lower stressed part and the digital pressure gauge to move downward, so that the bottom of the lower stressed part contacts the part, the hydraulic cylinder gradually increases the pressure, and the distance between the upper stressed part and the lower stressed part decreases. The digital pressure gauge displays the pressure on the part until the part is stressed beyond the limit and breaks, and the final strength value of the part can be measured, making the detection simpler and more time-saving; when the hydraulic cylinder drives the upper stressed part to move upward, the top of the mushroom column contacts the top side of the lower stressed part and drives the lower stressed part and the digital pressure gauge to move upward, so that the bottom of the lower stressed part is separated from the part, the bolt is rotated in the opposite direction, and the upper clamp is moved upward to separate the bottom of the upper clamp from the end of the part, so that the part that is not completely broken can be taken out.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached figure:

[0019] Figure 1 Shows the overall axial side structure schematic diagram of the present application;

[0020] Figure 2 A schematic diagram of the connection structure of the base, top seat and hydraulic cylinder of the present application is shown;

[0021] Figure 3 A schematic diagram of the disassembled structure of the upper load-bearing component, the lower load-bearing component, and the digital pressure gauge of the present application is shown;

[0022] Figure 4 A schematic diagram of the disassembly structure of the lower clamping seat, upper clamping seat and bolts of the present application is shown.

[0023] Reference Signs List

[0024] 1. Base; 11. Vertical guide rod; 2. Top seat; 3. Hydraulic cylinder; 4. Load-bearing upper part; 41. Upper guide hole; 42. Through hole; 5. Load-bearing lower part; 51. Lower guide hole; 52. Mushroom column; 6. Digital pressure gauge; 7. Lower clamping seat; 71. Slide rod; 8. Support seat; 81. Screw hole; 9. Upper clamping seat; 91. Slide hole; 10. Bolt. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described 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.

[0026] Example 1: Please refer to Figures 1 to 4 :

[0027] The utility model proposes a mechanical device for steel strength testing, comprising: a base 1, a top seat 2, a hydraulic cylinder 3, a force-bearing upper piece 4, a force-bearing lower piece 5, a digital pressure gauge 6, a lower clamping seat 7, a support seat 8, an upper clamping seat 9 and a bolt 10; a top seat 2 is installed on the top of the base 1, a hydraulic cylinder 3 is installed on the top of the top seat 2, and the piston rod of the hydraulic cylinder 3 passes through the top seat 2; a force-bearing upper piece 4 and a force-bearing lower piece 5 are connected to the top of the base 1, the force-bearing lower piece 5 is located below the force-bearing upper piece 4, the bottom end of the piston rod of the hydraulic cylinder 3 is connected to the top of the force-bearing upper piece 4, and a digital pressure gauge 6 is installed in the middle of the force-bearing upper piece 4 and the force-bearing lower piece 5; a lower clamping seat 7 is installed on the top of the base 1, and a lower clamping seat 8 is installed on the top of the base 1. A support seat 8 is installed on the top of the seat 7, and a bolt 10 is connected inside the support seat 8; the top of the lower clamping seat 7 is connected to the upper clamping seat 9; two slide rods 71 ​​are provided on the top of the lower clamping seat 7, and slide holes 91 are provided at both ends of the upper clamping seat 9. The slide rod 71 slides through the slide hole 91, and a screw hole 81 is provided in the middle part of the support seat 8. The bolt 10 is threadedly connected to the screw hole 81, and the bottom end of the bolt 10 contacts the top of the upper clamping seat 9; when the end of the part to be tested is placed on the top of the lower clamping seat 7, the bolt 10 is rotated, and the bolt 10 drives the upper clamping seat 9 to move downward, so that the upper clamping seat 9 contacts the end of the part, which has the effect of clamping and fixing the end of the part, thereby ensuring the stability of the part strength testing process.

[0028] In the embodiment of the present disclosure, two vertical guide rods 11 are provided on the top of the base 1, and upper guide holes 41 are provided at both ends of the force-bearing upper part 4. The vertical guide rods 11 slide through the upper guide holes 41, and lower guide holes 51 are provided at both ends of the force-bearing lower part 5. The vertical guide rods 11 slide through the lower guide holes 51, and the top of the digital pressure gauge 6 contacts the bottom side of the force-bearing upper part 4, and the bottom of the digital pressure gauge 6 contacts the top side of the force-bearing lower part 5; the hydraulic cylinder 3 drives the force-bearing upper part 4, the force-bearing lower part 5 and the digital pressure gauge 6 to move downward, so that the bottom of the force-bearing lower part 5 contacts the part, and the hydraulic cylinder 3 gradually increases pressure, and the distance between the force-bearing upper part 4 and the force-bearing lower part 5 is reduced. The digital pressure gauge 6 displays the pressure on the part until the part is stressed beyond the limit and breaks, and the final strength value of the part can be measured, and the detection is simpler and saves time.

[0029] In the embodiment of the present disclosure, a through hole 42 is provided inside the force-bearing upper part 4, and a mushroom column 52 is provided on the top of the force-bearing lower part 5. The mushroom column 52 slides through the through hole 42, and the top of the mushroom column 52 contacts the top side of the force-bearing lower part 5; when the hydraulic cylinder 3 drives the force-bearing upper part 4 to move upward, the top of the mushroom column 52 contacts the top side of the force-bearing lower part 5 and drives the force-bearing lower part 5 and the digital pressure gauge 6 to move upward, so that the bottom of the force-bearing lower part 5 is separated from the part, the bolt 10 is rotated in the opposite direction, and the upper clamping seat 9 is moved upward to separate the bottom of the upper clamping seat 9 from the end of the part, so that the part that is not completely broken can be taken out.

[0030] The working principle of this embodiment is as follows: first, the end of the part to be tested is placed on the top of the lower clamping seat 7, and the bolt 10 is rotated. The bolt 10 drives the upper clamping seat 9 to move downward, so that the upper clamping seat 9 contacts the end of the part, which has the effect of clamping and fixing the end of the part, and ensuring the stability of the part strength testing process; next, the hydraulic cylinder 3 drives the stressed upper part 4, the stressed lower part 5 and the digital pressure gauge 6 to move downward, so that the bottom of the stressed lower part 5 contacts the part, and the hydraulic cylinder 3 gradually increases the pressure. The distance between the stressed upper part 4 and the stressed lower part 5 is reduced, and the digital pressure gauge 6 displays the pressure on the part until the part is stressed beyond the limit and breaks, and the final strength value of the part can be measured; finally, when the hydraulic cylinder 3 drives the stressed upper part 4 to move upward, the top of the mushroom column 52 contacts the top side of the stressed lower part 5 and drives the stressed lower part 5 and the digital pressure gauge 6 to move upward, so that the bottom of the stressed lower part 5 is separated from the part, and the bolt 10 is rotated in the opposite direction, and the upper clamping seat 9 is moved upward, so that the bottom of the upper clamping seat 9 is separated from the end of the part, and the part that is not completely broken can be taken out.

[0031] In this article, there are several points to note:

[0032] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0033] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0034] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A mechanical device for steel strength testing, comprising: Base (1), top seat (2), hydraulic cylinder (3), force-bearing upper piece (4), force-bearing lower piece (5), digital pressure gauge (6), lower clamping seat (7), support seat (8), upper clamping seat (9) and bolt (10); characterized in that the top of the base (1) is equipped with a top seat (2), the top of the top seat (2) is equipped with a hydraulic cylinder (3), the piston rod of the hydraulic cylinder (3) passes through the top seat (2); the top of the base (1) is connected with the force-bearing upper piece (4) and the force-bearing lower piece (5). The lower part (5) is located below the upper part (4) of the load-bearing force, the bottom end of the piston rod of the hydraulic cylinder (3) is connected to the top of the upper part (4), and a digital pressure gauge (6) is installed in the middle of the upper part (4) and the lower part (5); a lower clamping seat (7) is installed on the top of the base (1), a support seat (8) is installed on the top of the lower clamping seat (7), and a bolt (10) is connected inside the support seat (8); the top of the lower clamping seat (7) is connected to the upper clamping seat (9).

2. The mechanical equipment for steel strength testing according to claim 1, characterized in that: Two slide bars (71) are provided on the top of the lower clamping seat (7), and slide holes (91) are provided at both ends of the upper clamping seat (9), and the slide bars (71) slide through the slide holes (91).

3. The mechanical equipment for steel strength testing according to claim 1, characterized in that: A screw hole (81) is provided in the middle of the support seat (8), and a bolt (10) is threadedly connected in the screw hole (81), and the bottom end of the bolt (10) contacts the top of the upper clamp seat (9).

4. The mechanical equipment for steel strength testing according to claim 1, characterized in that: Two vertical guide rods (11) are provided on the top of the base (1), upper guide holes (41) are provided at both ends of the force-bearing upper member (4), and the vertical guide rods (11) slide through the upper guide holes (41).

5. The mechanical equipment for steel strength testing according to claim 4, characterized in that: Lower guide holes (51) are provided at both ends of the load-bearing lower member (5), and the vertical guide rod (11) slides through the lower guide hole (51).

6. The mechanical equipment for steel strength testing according to claim 1, characterized in that: The top of the digital pressure gauge (6) contacts the bottom side of the stressed upper part (4), and the bottom of the digital pressure gauge (6) contacts the top side of the stressed lower part (5).

7. The mechanical equipment for steel strength testing according to claim 1, characterized in that: The upper stressed component (4) is provided with a through hole (42) therein, and the top of the lower stressed component (5) is provided with a mushroom column (52). The mushroom column (52) slides through the through hole (42), and the top of the mushroom column (52) contacts the top side of the lower stressed component (5).

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