Material tension detection equipment for engineering supervision

Abstract

A material tension detection device for engineering supervision comprises a tension testing machine, a traction end of the tension testing machine is connected with a fixing plate, and a contour fitting fixture is mounted on the fixing plate. The contour fitting fixture is additionally arranged, and can be combined with a positioning plate and a second hydraulic jack through more than three bolts arranged in a row, so that the tension of the material can be detected; more than three bolts arranged in a row can fill a gap between a workpiece with an irregular shape and the positioning plate by adjusting the length of the screw rod extending out of the positioning plate, so that the matching stability of the contour fitting fixture and the workpiece is improved, and the workpiece is prevented from being easily separated from the contour fitting fixture during testing.

Description

Technical Field

[0001] The utility model relates to a tension detection device, more specifically to a material tension detection device for engineering supervision. Background Art

[0002] Existing tensile testing equipment for materials used in engineering supervision needs to perform tensile tests on workpieces of different shapes. The clamps of the existing tensile testing equipment for materials used in engineering supervision are generally of the clamping plate type. When performing tensile tests on workpieces with irregular shapes, the stability of the workpiece is poor. For example, patent publication number: CN216847228U discloses a tensile testing equipment for materials used in engineering supervision, as shown in Figure 6. This device uses two plate structures to clamp the workpiece. When the shape of the workpiece is irregular, the clamping stability is poor. Summary of the invention

[0003] The purpose of the utility model is to provide a material tension detection device for engineering supervision, which can be combined with a positioning plate and a second hydraulic jack through more than three bolts arranged in a row. The more than three bolts arranged in a row can adjust the length of the screw rod protruding from the positioning plate to fill the gap between the irregular-shaped workpiece and the positioning plate, thereby improving the stability of the fit between the contour fitting fixture and the workpiece, and avoiding the workpiece from easily disengaging from the contour fitting fixture during testing.

[0004] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] Material tensile testing equipment for engineering supervision includes a tensile testing machine, the pulling end of the tensile testing machine is connected to a fixed plate, a contour fitting fixture is installed on the fixed plate, the contour fitting fixture includes two positioning plates, the middle parts of the two positioning plates are provided with more than three screw holes arranged in a row, the positioning plates are threadedly connected with bolts through the screw holes, the ends of the bolt screws on the two positioning plates are opposite, a second hydraulic jack is installed on one side of the fixed plate, the fixed end of the second hydraulic jack is connected to the fixed plate, one of the fixed plates is connected to the positioning plate, and the other fixed plate is connected to the push rod of the second hydraulic jack.

[0006] In order to further achieve the purpose of the present utility model, the following technical solution can also be adopted: one side of the positioning plate is connected to the anvil, and the anvil is located on the opposite side of the two positioning plates.

[0007] An angle fine-tuning device is installed at the screw rod end of the bolt, and the angle fine-tuning device includes a transmission plate, one side of the transmission plate is connected to a fixed tube, the fixed tube is a tubular structure, one end of the fixed tube is connected to the transmission plate, the other end of the fixed tube is connected to an annular plate on the inner side, the fixed tube is sleeved on one end of the bolt, the screw rod end of the bolt is connected to an annular ridge, the annular ridge is welded after being plugged into the bolt, the annular ridge cannot pass through the center hole of the annular plate, a graphite packing is installed between the screw rod end of the bolt and the transmission plate, and the two sides of the graphite packing are respectively connected to the transmission plate and the bolt.

[0008] One side of the positioning plate is connected to a bidirectional ratchet wrench, a handle of the bidirectional ratchet wrench is connected to the positioning plate, and a ratchet head of the bidirectional ratchet wrench is plugged and welded to a screw rod of a bolt.

[0009] The advantages of the utility model are: the utility model adds a contour fitting fixture, the contour fitting fixture can be combined with the positioning plate and the second hydraulic jack through more than three bolts arranged in a row, and the more than three bolts arranged in a row can be adjusted by the length of the screw rod protruding out of the positioning plate, so as to fill the gap between the irregular-shaped workpiece and the positioning plate, thereby improving the stability of the fit between the contour fitting fixture and the workpiece, and avoiding the workpiece from easily disengaging from the contour fitting fixture during testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 for Figure 1 A-direction enlarged structural schematic diagram;

[0013] Figure 3 It is a schematic diagram of the structure of the bolt (8) and the workpiece (15) of the utility model after being matched;

[0014] Figure 4 A structural schematic diagram of an angle fine-tuning device added to the utility model;

[0015] Figure 5 The utility model is provided with a structural schematic diagram of a bidirectional ratchet wrench.

[0016] Figure 6 It is a structural schematic diagram of the prior art patent publication number: CN216847228U.

[0017] Labeled parts: 1 square frame 2 first hydraulic jack 3 square sleeve 4 fixing plate 5 second hydraulic jack 6 positioning plate 7 anvil 8 bolt 9 transmission plate 10 graphite packing 11 annular ridge 12 annular plate 13 fixing pipe 14 bidirectional ratchet wrench 15 workpiece. DETAILED DESCRIPTION

[0018] The following is a description of the preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0019] Material tensile testing equipment for engineering supervision, such as Figure 1-Figure 5 As shown, it includes a tensile testing machine, the pulling end of the tensile testing machine is connected to the fixed plate 4, and a contour fitting fixture is installed on the fixed plate 4. The contour fitting fixture includes two positioning plates 6. The middle parts of the two positioning plates 6 are provided with more than three screw holes arranged in a row. The positioning plates 6 are threadedly connected with bolts 8 through the screw holes. The ends of the screw rods of the bolts 8 on the two positioning plates 6 are opposite. A second hydraulic jack 5 is installed on one side of the fixed plate 4, and the fixed end of the second hydraulic jack 5 is connected to the fixed plate 4, one of the fixed plates 4 is connected to the positioning plate 6, and the other fixed plate 4 is connected to the push rod of the second hydraulic jack 5.

[0020] The utility model adds a contour fitting fixture, which can be combined with the positioning plate 6 and the second hydraulic jack 5 through more than three bolts 8 arranged in a row. The more than three bolts 8 arranged in a row can fill the gap between the irregularly shaped workpiece and the positioning plate 6 by adjusting the length of the screw rod protruding from the positioning plate 6, thereby improving the stability of the fit between the contour fitting fixture and the workpiece, and preventing the workpiece from easily disengaging from the contour fitting fixture during testing.

[0021] Material selection and feasibility analysis for specific implementation: The samples we actually made use the drawings in the specification as drawings, and are implemented according to the proportions and matching methods of the various components in the drawings. The connections are commonly used connection methods such as strong adhesive connection, welding, riveting, flange connection, and one-piece molding connection. In actual production, the corresponding connection method, thickness and strength of the connection point can be selected according to the actual connection strength requirements without creativity. The tensile testing machine of the utility model can adopt the detection equipment body disclosed in patent publication number: CN216847228U. The tensile testing machine of the utility model can also adopt the tensile testing machine produced by brand: Jitai Keyi. The tensile testing machine of the utility model pulls the tested workpiece through two sets of contour fitting fixtures. The tensile testing machine may also include a square frame 1, a first hydraulic jack 2 is installed on the upper part of the square frame 1, a fixed end of the first hydraulic jack 2 is connected to the square frame 1, a set of contour fitting fixtures are installed on the push rod of the first hydraulic jack 2 and the lower part of the first hydraulic jack 2, wherein the push rod of the first hydraulic jack 2 is connected to one end of the detection end of the tensile testing machine, and the other end of the detection end of the tensile testing machine is connected to a set of contour fitting fixtures. A square sleeve 3 can be connected to both sides of the fixing plate 4, the square sleeve 3 is sleeved on the longitudinal rod of the square frame 1, and the square sleeve 3 can slide on the longitudinal rod of the square frame 1.

[0022] Embodiment 2:

[0023] Material tensile testing equipment for engineering supervision, such as Figure 1-Figure 5 As shown, it includes a tensile testing machine, the pulling end of the tensile testing machine is connected to a fixed plate 4, and a contour fitting fixture is installed on the fixed plate 4. The contour fitting fixture includes two positioning plates 6. The middle parts of the two positioning plates 6 are provided with more than three screw holes arranged in a row. The positioning plates 6 are threadedly connected with bolts 8 through the screw holes. The ends of the screw rods of the bolts 8 on the two positioning plates 6 are opposite. A second hydraulic jack 5 is installed on one side of the fixed plate 4. The fixed end of the second hydraulic jack 5 is connected to the fixed plate 4, one of the fixed plates 4 is connected to the positioning plate 6, and the other fixed plate 4 is connected to the push rod of the second hydraulic jack 5. One side of the positioning plate 6 is connected to an anvil 7, and the anvil 7 is located on the opposite side of the two positioning plates 6.

[0024] When the utility model clamps a plate-shaped workpiece with a regular shape, more than three bolts 8 of the utility model can be adjusted to Figure 2 In this state, the anvil 7 between the two positioning plates 6 will preferentially contact the workpiece under the push of the second hydraulic jack 5, thereby improving the stability of clamping.

[0025] Embodiment 3:

[0026] Material tensile testing equipment for engineering supervision, such as Figure 1-Figure 5As shown, it includes a tensile testing machine, the pulling end of the tensile testing machine is connected to the fixed plate 4, and a contour fitting fixture is installed on the fixed plate 4. The contour fitting fixture includes two positioning plates 6. The middle parts of the two positioning plates 6 are provided with more than three screw holes arranged in a row. The positioning plates 6 are threadedly connected with bolts 8 through the screw holes. The ends of the screw rods of the bolts 8 on the two positioning plates 6 are opposite. A second hydraulic jack 5 is installed on one side of the fixed plate 4, and the fixed end of the second hydraulic jack 5 is connected to the fixed plate 4, one of the fixed plates 4 is connected to the positioning plate 6, and the other fixed plate 4 is connected to the push rod of the second hydraulic jack 5. An angle fine-tuning device is installed at the screw end of the bolt 8, and the angle fine-tuning device includes a transmission plate 9, one side of the transmission plate 9 is connected to a fixed tube 13, the fixed tube 13 is a tubular structure, one end of the fixed tube 13 is connected to the transmission plate 9, the other end of the fixed tube 13 is connected to an annular plate 12 on the inner side, the fixed tube 13 is sleeved on one end of the bolt 8, the screw end of the bolt 8 is connected to an annular ridge 11, the annular ridge 11 is welded after being plugged with the bolt 8, the annular ridge 11 cannot pass through the center hole of the annular plate 12, a graphite packing 10 is installed between the screw end of the bolt 8 and the transmission plate 9, and the two sides of the graphite packing 10 are respectively connected to the transmission plate 9 and the bolt 8.

[0027] The graphite packing 10 of the angle fine-tuning device of the utility model is a block made of graphite packing, which has a certain elasticity. When the mating surface of the workpiece 15 and the bolt 8 is an inclined surface, the graphite packing 10 can use its own elasticity to facilitate the transmission plate 9 to produce a certain angle change, thereby facilitating the transmission plate 9 to fit the workpiece surface within a certain range and improving the stability of the fit between the contour fitting fixture and the workpiece.

[0028] Embodiment 4:

[0029] Material tensile testing equipment for engineering supervision, such as Figure 1-Figure 5 As shown, it includes a tensile testing machine, the pulling end of the tensile testing machine is connected to a fixed plate 4, and a contour fitting fixture is installed on the fixed plate 4. The contour fitting fixture includes two positioning plates 6. The middle parts of the two positioning plates 6 are provided with more than three screw holes arranged in a row. The positioning plates 6 are threadedly connected to bolts 8 through the screw holes. The ends of the screw rods of the bolts 8 on the two positioning plates 6 are opposite. A second hydraulic jack 5 is installed on one side of the fixed plate 4. The fixed end of the second hydraulic jack 5 is connected to the fixed plate 4, one of the fixed plates 4 is connected to the positioning plate 6, and the other fixed plate 4 is connected to the push rod of the second hydraulic jack 5. A two-way ratchet wrench 14 is connected to one side of the positioning plate 6, and the handle of the two-way ratchet wrench 14 is connected to the positioning plate 6. The ratchet head of the two-way ratchet wrench 14 is inserted into the screw rod of the bolt 8 and then welded.

[0030] The bidirectional ratchet wrench 14 of the utility model can be a brand: KEYCON, model: bidirectional adjustable dual-purpose ratchet wrench, which includes a handle and a circular ratchet head. The ratchet head can be controlled to rotate forward and reverse in one direction. When several bolts 8 are tightened to lock the workpiece 15, Figure 3 As shown, personnel can use a two-way ratchet wrench 14 to lock the bolt 8 and the positioning plate 6, thereby preventing the bolt 8 from uncontrolled reverse rotation and preventing the bolt 8 and the workpiece 15 from easily and uncontrolled pressure reduction, making it easier for the contour-fitting fixture to clamp the workpiece 15 more stably.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. Material tensile testing equipment for engineering supervision, characterized by: The invention comprises a tensile testing machine, wherein the pulling detection end of the tensile testing machine is connected to a fixing plate (4), and a contour fitting fixture is installed on the fixing plate (4), wherein the contour fitting fixture comprises two positioning plates (6), wherein the middle parts of the two positioning plates (6) are provided with more than three screw holes arranged in a row, and the positioning plates (6) are threadedly connected to bolts (8) through the screw holes, and the ends of the screw rods of the bolts (8) on the two positioning plates (6) are opposite to each other, and a second hydraulic jack (5) is installed on one side of the fixing plate (4), and the fixed end of the second hydraulic jack (5) is connected to the fixing plate (4), wherein one of the fixing plates (4) is connected to the positioning plate (6), and the other fixing plate (4) is connected to the push rod of the second hydraulic jack (5).

2. The material tensile testing equipment for engineering supervision according to claim 1 is characterized in that: One side of the positioning plate (6) is connected to an anvil (7), and the anvil (7) is located on a side opposite to the two positioning plates (6).

3. The material tensile testing equipment for engineering supervision according to claim 1 is characterized by: An angle fine-tuning device is installed at the end of the screw rod of the bolt (8), and the angle fine-tuning device comprises a transmission plate (9), one side of the transmission plate (9) is connected to a fixed tube (13), the fixed tube (13) is a tubular structure, one end of the fixed tube (13) is connected to the transmission plate (9), the other end of the fixed tube (13) is connected to the inner side of an annular plate (12), the fixed tube (13) is sleeved on one end of the bolt (8), the end of the screw rod of the bolt (8) is connected to an annular ridge (11), the annular ridge (11) and the bolt (8) are welded after being plugged, and the annular ridge (11) cannot pass through the middle hole of the annular plate (12), and a graphite packing (10) is installed between the end of the screw rod of the bolt (8) and the transmission plate (9), and the two sides of the graphite packing (10) are respectively connected to the transmission plate (9) and the bolt (8).

4. The material tensile testing equipment for engineering supervision according to claim 1 is characterized in that: A bidirectional ratchet wrench (14) is connected to one side of the positioning plate (6), a handle of the bidirectional ratchet wrench (14) is connected to the positioning plate (6), and a ratchet head of the bidirectional ratchet wrench (14) is plugged into and welded to a screw rod of a bolt (8).

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