Wire tension detection device

Abstract

The utility model discloses an electric wire tension detection device, two clamping mechanisms both adopt a combined structure of a double-thread screw, a left clamping block and a right clamping block, screw threads of screw holes at the upper parts of the left clamping block and the right clamping block are opposite and symmetrical, and symmetrical threads are arranged at the two ends of the double-thread screw, so that when the double-thread screw is rotated, the double-thread screw is rotated, and the tension of the electric wire is detected. The left clamping block and the right clamping block get close to or away from each other synchronously, so that when the wire is clamped, it is guaranteed that the end of the wire is clamped in the middle position, on one hand, adjustment is convenient, the operation convenience and speed are improved, on the other hand, the detection precision is improved, the two ends of the lifting plate are in sliding fit with the U-shaped guide side stand columns, and the extension plate is in sliding fit with the U-shaped guide middle stand column. The stability of the lifting plate is greatly improved, and the wire tension detection precision is further ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of wire tensile testing equipment, specifically a wire tensile testing device. Background Technology

[0002] The wire tensile strength testing device is an integrated system of servo automatic control, automatic measurement, data acquisition, screen display, and test result processing. It is used to test the tensile strength, tearing strength, peeling strength, adhesive strength, and other resistance properties of wires. It is characterized by its high professionalism and reliability.

[0003] The current wire tensile testing device uses a structure with one fixed clamping block and one movable clamping block in its wire clamping mechanism. This structure makes it easy for the wire to be misaligned when clamping it, resulting in deviations in the test data. Furthermore, the existing wire tensile testing device only has its lifting component cooperating with the guide posts at both ends, which leads to low stability of the lifting component and is also prone to data deviations. Therefore, there is an urgent need for an improved technology to solve this problem in the existing technology. Utility Model Content

[0004] The purpose of this invention is to provide a wire tension testing device. When the double-threaded screw is rotated, the left and right clamping blocks move closer or further apart simultaneously, ensuring that the wire end is clamped in the middle position when clamping the wire. This facilitates adjustment, improves operational convenience and speed, and enhances testing accuracy. Furthermore, the lifting plate slides with the U-shaped guide side columns at both ends, and the extension plate slides with the U-shaped guide middle column, greatly improving the stability of the lifting plate and further ensuring the accuracy of wire tension testing, thus solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a wire tensile strength testing device, comprising a frame, a lifting mechanism, and a clamping mechanism;

[0006] The frame includes a base, U-shaped guide side columns, U-shaped guide middle column, top plate, motor, lead screw, and support feet. U-shaped guide side columns are symmetrically arranged on the upper surface of the base. A top plate is provided at the top of each U-shaped guide side column. A motor is provided on the upper surface of the top plate. The output shaft of the motor is connected to the lead screw via a coupling. A U-shaped guide middle column is also provided on the top plate and the upper surface of the base. The lead screw is rotatably mounted inside the U-shaped guide middle column. Support feet are provided on the lower surface of the base.

[0007] The lifting mechanism includes a lifting plate, an extension plate, and a lead screw nut. The two ends of the lifting plate are slidably engaged with the U-shaped guide side columns. An extension plate is provided in the middle of the lifting plate. The extension plate is slidably engaged with the middle column of the U-shaped guide. A lead screw nut is provided in the extension plate. The lead screw nut is engaged with the lead screw. A tension sensor is provided in the middle of the lower surface of the lifting plate.

[0008] There are two clamping mechanisms. One clamping mechanism is located at the bottom of the tension sensor, and the other clamping mechanism is located on the upper surface of the base. The two clamping mechanisms correspond to each other. Each clamping mechanism includes a fixed base, a left clamping block, a right clamping block, a double-threaded screw, a U-shaped pressure member, and a knob. The outer surface of the fixed base has several T-shaped guide grooves opened laterally. The left and right clamping blocks are each provided with a T-shaped guide block. The T-shaped guide blocks are slidably disposed in the corresponding T-shaped guide grooves. The left and right clamping blocks are slidably disposed on the surface of the fixed base. The upper part of the left and right clamping blocks is provided with mutually opposite and symmetrical screw holes. The middle position of the double-threaded screw is provided with a positioning groove. The two ends of the double-threaded screw are symmetrically provided with opposite threads. The two ends of the double-threaded screw respectively cooperate with the screw holes on the upper part of the left and right clamping blocks. The U-shaped pressure member is pressed into the positioning groove of the double-threaded screw and connected to the fixed base by bolts. Both ends of the double-threaded screw are provided with knobs.

[0009] Preferably, the present invention provides a wire tensile testing device, wherein a lead screw seat is provided on the upper surface of the base, and the bottom of the lead screw is rotatably connected to the lead screw seat.

[0010] Preferably, in the wire tensile testing device provided by this utility model, the left clamping block and the right clamping block are provided with transverse anti-slip textures on the side close to each other.

[0011] Preferably, in the wire tensile strength testing device provided by this utility model, a cabinet door is also provided on the front side of the base.

[0012] Preferably, in the wire tensile testing device provided by this utility model, the cross-section of the U-shaped guide side column and the U-shaped guide middle column are both U-shaped.

[0013] Preferably, in the wire tensile testing device provided by this utility model, a reinforcing plate is provided between the top plate and the U-shaped guide side column.

[0014] Preferably, in the wire tensile testing device provided by this utility model, the knob is provided with a connecting sleeve, and the knob is connected to the end of the double-threaded screw through the connecting sleeve and a bolt.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] Both clamping mechanisms employ a combination structure of a double-threaded screw and a left and right clamping block. The screw holes on the upper parts of the left and right clamping blocks have opposite and symmetrical threads. The double-threaded screw has symmetrical threads at both ends, so that when the double-threaded screw is rotated, the left and right clamping blocks move closer or further apart synchronously. This ensures that the end of the wire is clamped in the middle position when clamping the wire, which facilitates adjustment, improves operational convenience and speed, and enhances detection accuracy. Furthermore, the lifting plate slides with the U-shaped guide side columns at both ends, and the extension plate slides with the U-shaped guide middle column, greatly improving the stability of the lifting plate and further ensuring the detection accuracy of the wire tension. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the present invention;

[0018] Figure 2 This is a side view of the structure of this utility model;

[0019] Figure 3 This is a top view of the structure of the present invention located at the lifting plate;

[0020] Figure 4 A front view schematic diagram of the clamping mechanism;

[0021] Figure 5 This is a side view of the clamping mechanism.

[0022] Figure 6 This is a schematic diagram of a double-threaded screw structure.

[0023] In the diagram: 1. Base; 2. U-shaped guide side column; 3. U-shaped guide middle column; 4. Top plate; 5. Motor; 6. Lead screw; 7. Support foot; 8. Lifting plate; 9. Extension plate; 10. Lead screw pair nut; 11. Tension sensor; 12. Clamping mechanism; 13. Lead screw seat; 14. Cabinet door; 15. Reinforcing plate; 1201. Fixed seat; 1202. Left clamping block; 1203. Right clamping block; 1204. Double threaded screw; 1205. U-shaped pressure piece; 1206. Knob; 1207. T-shaped guide groove; 1208. T-shaped guide block; 1209. Positioning groove; 1210. Connecting sleeve. Detailed Implementation

[0024] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] It should be noted that in the description of this utility model, the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Please see Figure 1-6 This utility model provides a technical solution: a wire tensile strength testing device, including a frame, a lifting mechanism and a clamping mechanism 12;

[0027] The frame includes a base 1, U-shaped guide side columns 2, U-shaped guide middle column 3, top plate 4, motor 5, lead screw 6, and support feet 7. U-shaped guide side columns 2 are symmetrically arranged on the upper surface of the base 1. The top plate 4 is set at the top of the U-shaped guide side columns 2. A reinforcing plate 15 is set between the top plate 4 and the U-shaped guide side columns 2 to ensure the structural strength of the top plate 4. The motor 5 is set on the upper surface of the top plate 4. The output shaft of the motor 5 is connected to the lead screw 6 through a coupling. The U-shaped guide middle column 3 is also set on the top plate 4 and the upper surface of the base 1. The lead screw 6 is rotatably set in the U-shaped guide middle column 3. The lead screw seat 13 is set on the upper surface of the base 1. The bottom of the lead screw 6 is rotatably connected to the lead screw seat 13 to ensure the stability of the lead screw 6. The support feet 7 are set on the lower surface of the base 1. The front and side of the base 1 are also provided with cabinet doors 14 to allow various tools or spare parts to be placed inside the base 1.

[0028] The lifting mechanism includes a lifting plate 8, an extension plate 9, and a lead screw nut 10. The two ends of the lifting plate 8 are slidably engaged with the U-shaped guide side column 2. An extension plate 9 is provided in the middle of the lifting plate 8. The extension plate 9 is slidably engaged with the U-shaped guide middle column 3. The cross-sections of the U-shaped guide side column 2 and the U-shaped guide middle column 3 are both U-shaped to achieve guiding engagement with the lifting plate 8 and the extension plate 9. The extension plate 9 is provided with a lead screw nut 10, which engages with the lead screw 6. A tension sensor 11 is provided in the middle of the lower surface of the lifting plate 8.

[0029] like Figure 4-6As shown, there are two clamping mechanisms 12. One clamping mechanism 12 is located at the bottom of the tension sensor 11, and the other clamping mechanism 12 is located on the upper surface of the base 1. The two clamping mechanisms 12 correspond to each other. Each clamping mechanism 12 includes a fixed base 1201, a left clamping block 1202, a right clamping block 1203, a double-threaded screw 1204, a U-shaped clamping element 1205, and a knob 1206. The outer surface of the fixed base 1201 is provided with several T-shaped guide grooves 1207. The left clamping block 1202 and the right clamping element 1206 are also provided with these grooves. Each block 1203 is provided with a T-shaped guide block 1208, which is slidably disposed in the corresponding T-shaped guide groove 1207. The left clamping block 1202 and the right clamping block 1203 are slidably disposed on the surface of the fixing base 1201. The upper part of the left clamping block 1202 and the right clamping block 1203 are provided with mutually opposite and symmetrical screw holes. The middle position of the double threaded screw 1204 is provided with a positioning groove 1209. The two ends of the double threaded screw 1204 are symmetrically provided with opposite threads. Both ends are respectively engaged with the screw holes on the upper part of the left clamping block 1202 and the right clamping block 1203. The U-shaped pressing member 1205 is pressed into the positioning groove 1209 of the double-threaded screw 1204 and connected to the fixing seat 1201 by bolts. The engagement between the U-shaped pressing member 1205 and the positioning groove 1209 of the double-threaded screw 1204 ensures that the double-threaded screw 1204 will not move left or right, thereby achieving limit positioning. Both ends of the double-threaded screw 1204 are provided with knobs 1206, and the knobs 1206 are provided with connecting... Connecting sleeve 1210, knob 1206 is connected to the end of double threaded screw 1204 through connecting sleeve 1210 and bolt, so as to realize the connection between knob 1206 and double threaded screw 1204, and at the same time ensure that double threaded screw 1204 can be smoothly connected to left clamping block 1202 and right clamping block 1203. The left clamping block 1202 and right clamping block 1203 are provided with transverse anti-slip texture on the side close to each other, so as to prevent the wire from slipping after the left clamping block 1202 and right clamping block 1203 clamp the wire.

[0030] Installation method and operating principle: First, place both ends of the lifting plate 8 inside the U-shaped guide side column 2. Then, place the extension plate 9 of the lifting plate 8 inside the U-shaped guide middle column 3. Next, mate the lead screw 6 with the lead screw nut 10 of the extension plate 9, and connect the bottom end of the lead screw 6 with the lead screw seat 13 on the upper surface of the base 1. Then, install the base plate on the top of the U-shaped guide side column 2 and the U-shaped guide middle column 3 with bolts, and install the motor 5 on the upper surface of the top plate 4. At the same time, connect the output shaft of the motor 5 to the lead screw 6 through a coupling. Finally, install the tension sensor 11 on the lower surface of the lifting plate 8, install one clamping mechanism 12 on the lower surface of the tension sensor 11, and install the other clamping mechanism 12 on the upper surface of the base 1. The two clamping mechanisms 12 correspond to each other. The clamping mechanism 12 is assembled by engaging the U-shaped clamping piece 1205 with the positioning groove 1209 of the double-threaded screw 1204, and connecting the U-shaped clamping piece 1205 to the middle position of the fixed seat 1201 with bolts. At this time, the double-threaded screw 1204 cannot move left or right. Then, the upper screw holes of the left clamping block 1202 and the right clamping block 1203 are respectively engaged with the threads at both ends of the double-threaded screw 1204. At the same time, the T-shaped guide blocks 1208 of the left clamping block 1202 and the right clamping block 1203 are slid into the corresponding T-shaped guide grooves 1207 of the fixed seat 1201. Finally, the knob 1206 is inserted into the end of the double-threaded screw 1204 through the connecting sleeve 1210 and tightened with bolts to complete the assembly of the clamping mechanism 12. In use, place one end of the wire between the left clamping block 1202 and the right clamping block 1203 of the upper clamping mechanism 12, and rotate the knob 1206 to drive the double threaded screw 1204 to rotate. The left clamping block 1202 and the right clamping block 1203 move closer to the wire and clamp the wire in the middle position. Similarly, place the other end between the left clamping block 1202 and the right clamping block 1203 of the lower clamping mechanism 12 to complete the clamping. The motor 5 drives the lead screw 6 to rotate. The lead screw 6 cooperates with the lead screw nut 10 to drive the extension plate 9 to rise, thereby realizing the lifting plate 8 to rise. After the wire is straightened, the tension is detected by the tension sensor 11. This utility model has a reasonable structure. Both clamping mechanisms 12 adopt a combination structure of double-threaded screw 1204, left clamping block 1202, and right clamping block 1203. The screw holes on the upper part of the left clamping block 1202 and right clamping block 1203 have opposite and symmetrical threads. The double-threaded screw 1204 has symmetrical threads at both ends. So when the double-threaded screw 1204 is rotated, the left clamping block 1202 and right clamping block 1203 move closer or further away at the same time. This ensures that the end of the wire is clamped in the middle position when clamping the wire. This facilitates adjustment, improves the convenience and speed of operation, and improves the detection accuracy. In addition, the lifting plate 8 slides with the U-shaped guide side column 2 at both ends, and the extension plate 9 slides with the U-shaped guide middle column 3. The stability of the lifting plate 8 is greatly improved, further ensuring the detection accuracy of the wire tension.

[0031] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

[0032] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications and equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A device for detecting the tensile strength of electrical wires, characterized in that: Includes frame, lifting mechanism and clamping mechanism (12); The frame includes a base (1), U-shaped guide side columns (2), U-shaped guide middle columns (3), a top plate (4), a motor (5), a lead screw (6), and support feet (7). The upper surface of the base (1) is symmetrically provided with U-shaped guide side columns (2). The top of the U-shaped guide side columns (2) is provided with a top plate (4). The upper surface of the top plate (4) is provided with a motor (5). The output shaft of the motor (5) is connected to the lead screw (6) through a coupling. The top plate (4) and the upper surface of the base (1) are also provided with U-shaped guide middle columns (3). The lead screw (6) is rotatably disposed in the U-shaped guide middle columns (3). The lower surface of the base (1) is provided with support feet (7). The lifting mechanism includes a lifting plate (8), an extension plate (9), and a lead screw nut (10). The two ends of the lifting plate (8) are slidably engaged with the U-shaped guide side column (2). An extension plate (9) is provided in the middle of the lifting plate (8). The extension plate (9) is slidably engaged with the U-shaped guide middle column (3). A lead screw nut (10) is provided in the extension plate (9). The lead screw nut (10) is engaged with the lead screw (6). A tension sensor (11) is provided in the middle of the lower surface of the lifting plate (8). There are two clamping mechanisms (12). One clamping mechanism (12) is located at the bottom of the tension sensor (11), and the other clamping mechanism (12) is located on the upper surface of the base (1). The two clamping mechanisms (12) correspond to each other. Each clamping mechanism (12) includes a fixed base (1201), a left clamping block (1202), a right clamping block (1203), a double-threaded screw (1204), a U-shaped pressure piece (1205), and a knob (1206). The outer surface of the fixed base (1201) is provided with several T-shaped guide grooves (1207) laterally. Both the left clamping block (1202) and the right clamping block (1203) are provided with T-shaped guide blocks (1208). The T-shaped guide blocks (1208) are slidably disposed in the corresponding T-shaped guide grooves (1207). The left clamping block (1202) and the right clamping block (1203) are slidably disposed on the surface of the fixed base (1201). The upper part of the left clamping block (1202) and the right clamping block (1203) are provided with mutually opposite and symmetrical screw holes. The middle position of the double threaded screw (1204) is provided with a positioning groove (1209). The two ends of the double threaded screw (1204) are symmetrically provided with opposite threads. The two ends of the double threaded screw (1204) respectively cooperate with the screw holes on the upper part of the left clamping block (1202) and the right clamping block (1203). The U-shaped pressing piece (1205) is pressed into the positioning groove (1209) of the double threaded screw (1204) and connected to the fixed base (1201) by bolts. Both ends of the double threaded screw (1204) are provided with knobs (1206).

2. The wire tensile strength testing device according to claim 1, characterized in that: The upper surface of the base (1) is provided with a lead screw seat (13), and the bottom of the lead screw (6) is rotatably connected to the lead screw seat (13).

3. The wire tensile strength testing device according to claim 1, characterized in that: The left clamping block (1202) and the right clamping block (1203) are both provided with transverse anti-slip textures on the side close to each other.

4. The wire tensile strength testing device according to claim 1, characterized in that: The base (1) is also provided with a cabinet door (14) on its front side.

5. The wire tensile strength testing device according to claim 1, characterized in that: The cross-sections of the U-shaped guide side column (2) and the U-shaped guide middle column (3) are both U-shaped.

6. The wire tensile strength testing device according to claim 1, characterized in that: A reinforcing plate (15) is provided between the top plate (4) and the U-shaped guide side column (2).

7. The wire tensile strength testing device according to claim 1, characterized in that: The knob (1206) is provided with a connecting sleeve (1210), and the knob (1206) is connected to the end of the double threaded screw (1204) through the connecting sleeve (1210) and bolts.

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