Tension testing machine for cable detection

Abstract

The utility model discloses a tension tester for cable detection. The tension tester comprises a base, a detection driving mechanism, a protection mechanism and a controller, a mounting groove is formed in the middle of the base; the detection driving mechanism is located in the middle of the base and connected with the base. The protection mechanism is located in the middle of the base and connected with the base. According to the utility model, through the cooperation of the detection driving mechanism and the fixing mechanism, on the premise that the cable is fixed, the pressure detection process of the cable is converted into the pressure detection process of the pressure plate on the moving seat, so that the feedback operation of the whole process of cable tension detection can be realized; a user can conveniently observe the whole cable tension detection process, and the detection result is more accurate; on the premise that a user is not affected to watch the cable tension detection process, possible injury to the user caused by chippings generated at the moment when the cable is snapped can be avoided, and the safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable detection technical field, concretely relates to a tension testing machine for cable detection. BACKGROUND

[0002] In order to ensure product quality and safety, cable needs to carry out tension test before leaving factory, measures the mechanical property of cable under tensile load through tension test, verifies its durability and reliability. Cable tension test needs to adopt tension testing machine to complete. Such as the patent literature of application No. 202320022411.5 discloses a tension testing machine for cable detection, the testing machine can increase cable fixing pressure, adjusts the levelness of base, guarantees the stability of cable, and then obtains accurate data. But the tension testing machine for cable detection above, cannot effectively realize the feedback of the whole cable tension detection process, and lack corresponding protection structure, and the instant of cable breakage can possibly cause harm to the operator. UTILITY MODEL CONTENT

[0003] The utility model discloses a tension testing machine for cable detection, which is simple to operate and safe.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The tension testing machine for cable detection comprises a base, a detection driving mechanism, a protection mechanism and a controller. The detection driving mechanism is located in the middle of the base. The detection driving mechanism comprises two oppositely arranged movable seats that can move away from or approach each other. A fixing mechanism for fixing the cable to be detected is arranged on the movable seat. A pressure sensor is arranged on the movable seat between the fixing mechanisms. The protection mechanism is arranged outside the movable seats and is slidably connected with the base. The controller is installed on the base. The input end of the controller is electrically connected with the output end of an external power source. During detection, the cable to be detected is fixed on the fixing mechanism. The driving mechanism is started to move the two movable seats away from each other, so as to detect the tension of the cable. Through the fixation of the pressure sensor, the pressure detection process of the cable is ingeniously converted into the pressure detection process of the movable seat by the pressure plate. The feedback operation of the whole cable tension detection process can be realized, which is convenient for the user to observe the whole cable tension detection process and obtain more accurate detection results.

[0006] Further, the upper end surface of the base is provided with a display screen. The input end of the display screen is connected with the output end of the controller. The display screen is connected and installed, which ensures the normal use of the display screen and is convenient for the user to observe the cable tension detection data.

[0007] Further, the detection driving mechanism further comprises a bidirectional screw rod and a servo motor, the bidirectional screw rod is installed in a mounting groove in the middle of the base, two ends of the bidirectional screw rod are rotatably connected with the base, wherein one end of the bidirectional screw rod penetrates the base and is connected with the output shaft of the servo motor through a shaft coupling, and two movable bases are located in the mounting groove and are threadedly connected with the two ends of the bidirectional screw rod respectively.

[0008] Further, bearings are arranged at the connection between the bidirectional screw rod and the base, the bearings are sealing bearings, so as to reduce the friction and abrasion of the two ends of the bidirectional screw rod.

[0009] Further, the servo motor is installed on a fixed plate, the fixed plate is connected with the base, so as to fix the servo motor and prevent the servo motor from rotating.

[0010] Further, the fixing mechanism comprises a hollow connecting rod and a three-jaw chuck, the movable base is provided with a sliding hole corresponding to the connecting rod, the connecting rod penetrates the movable base, one end of the connecting rod located inside the movable base is provided with the three-jaw chuck, the three-jaw chuck is in communication with the middle part of the connecting rod, the other end of the connecting rod is provided with a pressing plate, the pressing plate corresponds to a pressure sensor, the middle part of the pressing plate is provided with a threading hole corresponding to the connecting rod, and the pressing plate is provided with two symmetrical guide mechanisms.

[0011] Further, the guide mechanism comprises a guide rod, the guide rod penetrates the pressing plate, one end of the guide rod is connected with the movable base, and the other end of the guide rod is provided with a limiting block, so as to realize the connection and installation between the guide mechanism and the pressing plate and the movable base.

[0012] Further, the pressing plate is provided with a guide hole corresponding to the guide rod, and the guide rod and the guide hole are matched and installed, so as to ensure the matched installation of the guide rod and the pressing plate.

[0013] Further, the protection mechanism comprises a tempered glass cover, the tempered glass cover is located above the base, and the tempered glass cover is slidably connected with the base through a sliding block, so as to realize the connection and installation between the protection mechanism and the base and provide protection for the cable tension detection process.

[0014] Further, the base is provided with a sliding groove corresponding to the sliding block, and the sliding block and the sliding groove are matched and installed, so as to ensure the connection and installation between the sliding block and the base.

[0015] Compared with the prior art, the cable tension detection device has the advantages that:

[0016] 1. The utility model discloses a drive mechanism and fixed mechanism's cooperation work can be under the premise of realizing the fixed cable, the pressure detection process of cable is converted into the pressure detection process of moving seat to pressing plate, can realize the feedback operation of the whole process of cable tension detection, and the observation of the whole process of cable tension detection is convenient for the user, and the detection result is more accurate.

[0017] 2. The utility model discloses a protection mechanism can avoid the harm that the cable is broken in the moment to the user under the premise of not affecting the user to watch the cable tension detection process, and the safety is higher. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0019] Figure 1 It is the main view structural schematic diagram of cable detection tension testing machine of the utility model;

[0020] Figure 2 It is Figure 1 The three-dimensional structure schematic diagram of cable detection tension testing machine of the utility model is shown;

[0021] Figure 3 It is the connecting relation schematic diagram of moving seat and base of the utility model;

[0022] Figure 4 It is Figure 1 The three-dimensional structure schematic diagram of cable detection tension testing machine (remove protection mechanism and fixed mechanism) of the utility model is shown.

[0023] The following is explained as follows:

[0024] 1, base;2, detection drive mechanism;21, fixed plate;22, servo motor;23, coupling;24, two-way lead screw;25, moving seat;26, bearing;27, pressure sensor;28, sliding hole;3, fixed mechanism;31, connecting rod;32, three-jaw chuck;33, pressing plate;34, limit block;35, guide rod;4, protection mechanism;41, toughened glass cover;42, sliding block;5, installation groove;6, sliding groove;7, display screen;8, controller. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope protected by the utility model.

[0026] Embodiment: as Figure 1 and 2 A tension testing machine for cable detection, comprising a base 1, a detection driving mechanism 2, a protection mechanism 4 and a controller 8, the detection driving mechanism 2 is located in the middle of the base 1, the detection driving mechanism 2 comprises two oppositely arranged movable seats 25 that can move away from or close to each other, the movable seat 25 is provided with a fixing mechanism 3 for fixing the cable to be detected, a pressure sensor 27 is arranged on the movable seat 25 between the fixing mechanisms 3, the upper end surface of the base 1 is provided with a display screen 7, the input end of the display screen 7 is connected to the output end of the controller 8, by the above design, the connection and installation of the display screen 7 can be realized, the normal use of the display screen 7 is ensured, and the user is convenient for observing the cable tension detection data, the controller 8 is installed on the base 1, and the input end of the controller 8 is electrically connected to the output end of the external power supply.

[0027] Referring to Figures 2-4 , the detection driving mechanism 2 is located in the middle of the base 1, the detection driving mechanism 2 is connected with the base 1, specifically, the detection driving mechanism 2 comprises a bidirectional screw rod 24, the bidirectional screw rod 24 is located in the middle of the installation groove 5, the installation groove 5 is opened on the base 1 and is arranged along the length direction of the base 1, both ends of the bidirectional screw rod 24 are rotationally connected with the base 1, further, a bearing 26 is arranged at the connection position of the bidirectional screw rod 24 and the base 1, the bearing 26 adopts a sealed bearing, by the above design, the friction force received by both ends of the bidirectional screw rod 24 can be reduced, and the abrasion of both ends of the bidirectional screw rod 24 can be reduced, the left end of the bidirectional screw rod 24 penetrates through the base 1, the left end of the bidirectional screw rod 24 is connected with the output shaft of the servo motor 22 through the shaft coupling 23, further, the servo motor 22 is installed on the fixed plate 21, the fixed plate 21 is connected with the base 1, by the above design, the servo motor 22 can be fixed, and the self-rotation of the servo motor 22 can be avoided. Two left-right symmetrical movable seats 25 are arranged on the bidirectional screw rod 24, the lower end of the movable seat 25 is cooperatively installed with the installation groove 5, and the two are slidingly connected, the lower end of the movable seat 25 is threadedly connected with the bidirectional screw rod 24, the upper end middle part of the movable seat 25 is provided with the pressure sensor 27, the upper end middle part of the movable seat 25 is provided with the fixing mechanism 3, and the two fixing mechanisms 3 are distributed left-right symmetrically.

[0028] In the embodiment, referring to Figure 3 and Figure 4The fixing mechanism 3 comprises a hollow connecting rod 31, the moving base 25 is provided with a sliding hole 28 corresponding to the moving base 25, the connecting rod 31 passes through the moving base 25, the inner side of the connecting rod 31 located at the moving base 25 is provided with a three-jaw chuck 32, the three-jaw chuck 32 is communicated with the middle part of the connecting rod 31, the outer side of the connecting rod 31 is provided with a pressing plate 33 corresponding to the pressure sensor 27, the middle part of the pressing plate 33 is provided with a wire hole corresponding to the connecting rod 31, the pressing plate 33 is provided with two front and rear symmetrical guide mechanisms, and the above design lays a foundation for the fixing of the cable.

[0029] In the embodiment, referring to Figure 3 The guide mechanism comprises a guide rod 35, the guide rod 35 penetrates through the pressing plate 33, one end of the guide rod 35 is connected with the moving base 25, and the other end of the guide rod 35 is provided with a limiting block 34; the above design can realize the connection and installation between the guide mechanism, the pressing plate 33 and the moving base 25; further, the pressing plate 33 is provided with a guide hole corresponding to the guide rod 35, the guide rod 35 is installed in cooperation with the guide hole; the above design can guarantee the cooperation and installation of the guide rod 35 and the pressing plate 33; the pressure sensor 27 and the controller 8 are bidirectionally electrically connected, the input end of the servo motor 22 is electrically connected with the output end of the controller 8; the above design can realize the connection and installation between the detection driving mechanism 2 and the base 1, guarantee the normal work of the detection driving mechanism 2, and provide driving force for the cable tension detection.

[0030] Referring to Figure 2 In the embodiment, the protection mechanism 4 is located at the middle part of the base 1 and the outer side of the moving base 25, and the protection mechanism 4 is connected with the base 1; specifically, the protection mechanism 4 comprises a tempered glass cover 41, the tempered glass cover 41 is located above the base 1, two front and rear symmetrical sliding blocks 42 are arranged on the left side of the lower end of the tempered glass cover 41, and the sliding blocks 42 are slidably connected with the base 1; the above design can realize the connection and installation between the protection mechanism 4 and the base 1, provide protection for the cable tension detection process, and further guarantee the connection and installation between the sliding blocks 42 and the base 1.

[0031] In one embodiment of the utility model, the cable detection tension testing machine with the above structure is used, one end of the cable to be detected is sequentially threaded through the middle part of the three-jaw chuck 32 of one end, the connecting rod 31 and the pressing plate 33, the other end of the cable is threaded through the middle part of the three-jaw chuck 32 of the other end, the connecting rod 31 and the pressing plate 33, the cable detection section is located between the two three-jaw chucks 32, the three-jaw chuck 32 is adjusted, and the clamping and fixing operation on the two ends of the cable detection section is realized through the three-jaw chuck 32.

[0032] The servo motor 22 can be driven to rotate under the action of the shaft coupling 23, and the two movable seats 25 can be driven to move along the center line of the two-way screw 24 under the action of the rotation of the two-way screw 24, on the premise that the movable seats 25 are installed at the lower end of the moving seat 25 and the installation groove 5, and the two movable seats 25 will move close to each other or move away from each other, and when the two movable seats 25 move away from each other, the tension detection test of the cable to be detected can be realized.

[0033] With the gradual movement of the two movable seats 25 away from each other, the cable to be detected is gradually tightened, and at this time, the tension of the cable to the three-jaw chuck 32 is increased, and in order to keep balance, the tension of the cable to the three-jaw chuck 32 is increased, and under the action of the connecting rod 31, the pressure of the pressing plate 33 to the movable seat 25 is increased, and in this process, the pressure sensor 27 can be controlled to work by the controller 8, the pressure information of the pressing plate 33 can be detected, and the detected information can be fed back to the controller 8, the information can be displayed by the controller 8 controlling the display screen 7 to work, and the left and right two pressure sensors 27 can simultaneously detect, which can reduce the error existing in the cable tension detection process.

[0034] At the same time, when the cable tension detection operation is performed, the tempered glass cover 41 can be pulled to make the sliding block 42 at the lower end of the tempered glass cover 41 slide along the sliding groove 6, cover the middle part of the base 1, and make the cable tension detection operation in the middle part of the tempered glass cover 41, so as to realize the protection of the cable tension detection operation process.

[0035] It is worth noting that the controller 8 controls the pressure sensor 27 to adopt the prior art, the controller 8 controls the servo motor 22 and the display screen 7 to work, and the controller 8 is provided with control buttons corresponding to the servo motor 22 and the display screen 7.

[0036] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A tensile testing machine for cable testing, characterized in that: It includes a base (1), a detection drive mechanism (2), a protective mechanism (4), and a controller (8); The detection drive mechanism (2) is located in the middle of the base (1). The detection drive mechanism (2) includes two movable seats (25) that are arranged opposite to each other and can move away from or close to each other. A fixing mechanism (3) for fixing the cable to be tested is provided on the movable seat (25). A pressure sensor (27) is provided on the movable seat (25) at the position between the fixing mechanisms (3). The protective mechanism (4) is located outside the two movable seats (25) and is slidably connected to the base (1); The controller (8) is mounted on the base (1), and the input of the controller (8) is electrically connected to the output of an external power source.

2. The tensile testing machine for cable testing according to claim 1, characterized in that: The upper surface of the base (1) is provided with a display screen (7), and the input end of the display screen (7) is connected to the output end of the controller (8).

3. The tensile testing machine for cable testing according to claim 1, characterized in that: The detection drive mechanism (2) also includes a bidirectional lead screw (24) and a servo motor (22). The bidirectional lead screw (24) is installed in the mounting groove (5) in the middle of the base (1). The two ends of the bidirectional lead screw (24) are rotatably connected to the base (1). One end of the bidirectional lead screw (24) passes through the base (1) and is connected to the output shaft of the servo motor (22) through a coupling (23). The two moving seats (25) are located in the mounting groove (5) and are threadedly connected to the two ends of the bidirectional lead screw (24).

4. The tensile testing machine for cable testing according to claim 3, characterized in that: A bearing (26) is provided at the connection between the bidirectional lead screw (24) and the base (1), and the bearing (26) is a sealed bearing.

5. The tensile testing machine for cable testing according to claim 3, characterized in that: The servo motor (22) is mounted on the fixed plate (21), and the fixed plate (21) and the base (1) are fixedly connected.

6. The tensile testing machine for cable testing according to claim 1, characterized in that: The fixing mechanism (3) includes a hollow connecting rod (31) and a three-jaw chuck (32). The moving seat (25) is provided with a sliding hole (28) corresponding to the connecting rod (31). The connecting rod (31) passes through the moving seat (25). One end of the connecting rod (31) located inside the moving seat (25) is provided with a three-jaw chuck (32), and the other end is connected to a pressure plate (33). The three-jaw chuck (32) and the middle part of the connecting rod (31) are connected. The pressure plate (33) corresponds to the pressure sensor (27). The pressure plate (33) is provided with a wire hole corresponding to the connecting rod (31). The pressure plate (33) is provided with two symmetrically arranged guide mechanisms.

7. The tensile testing machine for cable testing according to claim 6, characterized in that: The guiding mechanism includes a guide rod (35) that passes through the pressure plate (33), with one end connected to the movable seat (25) and the other end provided with a limit block (34).

8. The tensile testing machine for cable testing according to claim 7, characterized in that: The pressure plate (33) is provided with a guide hole corresponding to the guide rod (35), and the guide rod (35) and the guide hole are installed together.

9. The tensile testing machine for cable testing according to claim 1, characterized in that: The protective mechanism (4) includes a tempered glass cover (41), which is slidably connected to the base (1) via a slider (42).

10. The tensile testing machine for cable testing according to claim 9, characterized in that: The base (1) is provided with a groove (6) corresponding to the slider (42), and the slider (42) and the groove (6) are slidably connected.

Images