Clock pointer toughness detection device

Abstract

The utility model discloses a clock pointer toughness detection device, and relates to the technical field of testing. A clock pointer toughness detection device comprises a supporting base, a clamping device is arranged on the supporting base, the clamping device comprises a fixed support and two movable seats, the fixed support is fixedly connected with the upper surface of the supporting base, two bidirectional threaded rod grooves are formed in the upper surface of the fixed support, and the two bidirectional threaded rod grooves are connected with the two movable seats. The output end of a second motor in the clamping device rotates to drive a two-way threaded rod to rotate and drive moving seats to move oppositely at the same time, so that the distance between the moving seats is adjusted according to the length of a pointer, and then the pointer is placed in the surfaces of two clamping bases; and then a rotating block is screwed to drive a rotating threaded rod to rotate, and meanwhile, a clamping block is driven to move downwards to clamp the pointer, so that adjustment is conveniently carried out according to the length of the pointer, the situation that an auxiliary tool is needed for clamping while extra time is needed for adjusting a clamping device is avoided, and then the practicability of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test technical field especially relates to a clock pointer tenacity detection device. BACKGROUND

[0002] The clock pointer tenacity detection device is a device specially used for evaluating the tenacity of a clock pointer under stress.

[0003] The clock pointer tenacity detection device comprises a base, a lifting mechanism, a pressure applying mechanism, a pointer clamping mechanism, a detection and recording system, etc., wherein, in the clock pointer tenacity detection, a drop hammer impact method is used for detection, which simulates the impact that the pointer may suffer in actual use to evaluate its tenacity and durability.

[0004] The existing clock pointer tenacity detection device, when in use, places the pointer on the workbench, clamps and fixes the pointer through the clamping device, and then detects through the drop hammer impact method. However, for pointers of different sizes and lengths, additional time is needed to adjust the clamping device when clamping, and auxiliary tools are needed to clamp, which reduces the detection efficiency and the practicability of the device. UTILITY MODEL CONTENT

[0005] The utility model discloses a clock pointer tenacity detection device, which can solve the problem that for pointers of different sizes and lengths, additional time is needed to adjust the clamping device when clamping, and auxiliary tools are needed to clamp, which reduces the detection efficiency and the practicability of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clock pointer tenacity detection device, comprising a supporting base, wherein the supporting base is provided with a clamping device;

[0007] The clamping device comprises a fixed support and two movable seats, the fixed support is fixedly connected to the upper surface of the supporting base, two double-thread rod grooves are formed in the upper surface of the fixed support, a double-thread rod is rotatably connected to the inside of the left double-thread rod groove,

[0008] The left lower end of each movable seat is threadedly connected to the outer wall of the double-thread rod, a fixed rod is fixedly connected to the inside of the right double-thread rod groove, a second motor is installed in the recess on one side of the fixed support, a clamping base is fixedly connected to the upper surface of each movable seat, a fixed limiting rod is fixedly connected to the inside of each clamping base, a clamping block is arranged in each clamping base, a rotating threaded rod is rotatably connected to the inside of each clamping base, and a rotating block is rotatably connected to the upper surface of each clamping base.

[0009] Preferably, the two lower ends of the moving seat are slidably connected with the outer wall of the fixed rod, the output end of the second motor is rotatably extended into the left bidirectional threaded rod slot and fixedly connected with one end of the bidirectional threaded rod, and the two clamping bases are both in the shape of "U".

[0010] Preferably, the two clamping blocks are slidably connected with the outer wall of the corresponding fixed limiting rod, and the two clamping blocks are threadedly connected with the outer wall of the corresponding rotating threaded rod.

[0011] Preferably, the upper surface of the supporting base is fixedly connected with a support, and the upper surface of the support is fixedly connected with a first motor.

[0012] Preferably, the outer wall of the support is rotatably connected with a threaded rod in the groove.

[0013] Preferably, the output end of the first motor is rotatably extended into the groove in the outer wall of the support and fixedly connected with one end of the threaded rod.

[0014] Preferably, the outer wall of the threaded rod is threadedly connected with a sliding seat.

[0015] Preferably, the outer walls on the two sides of the sliding seat are slidably connected with the grooves in the outer walls on the two sides of the support.

[0016] Preferably, the upper end of the outer wall of the support is fixedly connected with a support plate, and the lower surface of the support plate is fixedly connected with a limiting rod.

[0017] Preferably, the outer wall of the limiting rod is slidably connected with a detection hammer, and the outer wall of the sliding seat is provided with a DC power supply in the groove.

[0018] Preferably, the outer wall of the end of the sliding seat away from the threaded rod is provided with a DC electromagnet, the DC electromagnet is electrically connected with the DC power supply, and the outer wall of the detection hammer is in contact with the outer wall of the DC electromagnet.

[0019] Compared with the prior art, the watch pointer toughness detection device has the advantages that:

[0020] 1. The watch pointer toughness detection device, through the output end of the second motor in the clamping device, rotates to drive the bidirectional threaded rod to rotate and drive the moving seat to move in the opposite direction, so that the distance between the moving seats is adjusted according to the length of the pointer, then the pointer is placed on the inner surface of the two clamping bases, and then the rotating block is twisted to rotate to drive the rotating threaded rod to rotate and drive the clamping block to move downward to clamp the pointer, so that the length of the pointer can be adjusted, the clamping device does not need to be adjusted for additional time, and the clamping does not need to rely on auxiliary tools, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model is further illustrated below in combination with the drawings and embodiments:

[0022] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0023] Fig. 2 It is the structure schematic diagram of the utility model mobile seat outside;

[0024] Fig. 3 It is the structure schematic diagram of the utility model threaded rod outside.

[0025] Reference Signs: 1, support base; 2, direct current electromagnet; 3, support; 4, sliding seat; 5, first motor; 6, support plate; 7, detection hammer; 8, limit rod; 9, clamping block; 10, fixed rod; 11, bidirectional threaded rod; 12, bidirectional threaded rod groove; 13, mobile seat; 14, fixed support; 15, fixed limit rod; 16, second motor; 17, clamping base; 18, rotating threaded rod; 19, threaded rod; 20, direct current power supply; 21, rotating block. DETAILED DESCRIPTION

[0026] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0027] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of the indication of up, down, front, back, left, right, etc. based on the orientation or position relationship shown in the drawings, is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as the limitation of the utility model.

[0028] In the description of the utility model, greater than, less than, more than, etc. is understood as not including the number, above, below, etc. is understood as including the number. If it is described to the first, second, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0030] Please refer to Figs. 1-3 The utility model provides a technical scheme: a clock pointer toughness detection device, including support baseplate 1,

[0031] Support baseplate 1 is provided with clamping device;

[0032] Clamping device includes fixed support 14 and two mobile seats 13, and fixed support 14 is fixedly connected on the upper surface of support baseplate 1, the upper surface of fixed support 14 is provided with two two-way threaded rod grooves 12, the inside of left two-way threaded rod groove 12 is rotatably connected with two-way threaded rod 11, the lower end of two mobile seats 13 is threadedly connected with the outer wall of two-way threaded rod 11, the inside of right two-way threaded rod groove 12 is fixedly connected with fixed rod 10, the lower end of two mobile seats 13 is slidably connected with the outer wall of fixed rod 10, the inside of the recess of one side of fixed support 14 is installed with second motor 16, and the output end of second motor 16 rotatably extends to the inside of left two-way threaded rod groove 12 and is fixedly connected with one end of two-way threaded rod 11, the upper surface of two mobile seats 13 is fixedly connected with clamping base 17, two clamping bases 17 are all " U " type, the inside of two clamping bases 17 is fixedly connected with fixed limiting rod 15, the inside of two clamping bases 17 is provided with clamping block 9, and two clamping blocks 9 are slidably connected with the outer wall of corresponding fixed limiting rod 15, the inside of two clamping bases 17 is rotatably connected with rotating threaded rod 18, and two clamping blocks 9 are threadedly connected with the outer wall of corresponding rotating threaded rod 18, the upper surface of two clamping bases 17 is rotatably connected with rotating block 21, and one end of two rotating threaded rods 18 close to rotating block 21 rotatably extends to the outside of rotating threaded rod 18 and is fixedly connected with the lower end of rotating block 21.

[0033] Among them, the upper surface of support baseplate 1 is fixedly connected with support 3, the upper surface of support 3 is fixedly connected with first motor 5, the outer wall of support 3 is rotatably connected with threaded rod 19 in the groove, the output end of first motor 5 rotatably extends to the inside of the groove of the outer wall of support 3 and is fixedly connected with one end of threaded rod 19, the outer wall of threaded rod 19 is threadedly connected with sliding seat 4, the outer wall of both sides of sliding seat 4 is slidably connected with the inside of the groove of both sides of the outer wall of support 3, the upper end of the outer wall of support 3 is fixedly connected with support plate 6, the lower surface of support plate 6 is fixedly connected with limiting rod 8, the outer wall of limiting rod 8 is slidably connected with detection hammer 7, the inside of the recess of the outer wall of sliding seat 4 is installed with direct current power supply 20, the outer wall of one end of sliding seat 4 away from threaded rod 19 is installed with direct current electromagnet 2, direct current electromagnet 2 is electrically connected with direct current power supply 20, and the outer wall of detection hammer 7 is in contact with the outer wall of direct current electromagnet 2.

[0034] Further, in use of the device, the first, the second and the third electric motors are started by connecting an external power source. The output end of the second electric motor 16 rotates the bidirectional threaded rod 11 and drives the moving seat 13 to move in the opposite direction, so as to adjust the distance between the moving seats 13 according to the length of the pointer. Then, the pointer is placed inside the surface of the two clamping bases 17. The rotating knob 21 is twisted to rotate the rotating threaded rod 18 and drive the clamping block 9 to move downward to clamp the pointer. The output end of the first electric motor 5 rotates the threaded rod 19 and drives the sliding seat 4 to move up and down. The sliding seat 4 moves up and down to drive the DC electromagnet 2 to move up and down and drive the detection hammer 7 to move up and down to a suitable height. The DC power supply 20 is powered off to make the DC electromagnet 2 lose magnetic force. Then, the detection hammer 7 loses the limitation of the DC electromagnet 2 and moves downward to detect the pointer by the drop hammer impact method.

[0035] The output end of the second electric motor 16 of the clamping device rotates the bidirectional threaded rod 11 and drives the moving seat 13 to move in the opposite direction, so as to adjust the distance between the moving seats 13 according to the length of the pointer. Then, the pointer is placed inside the surface of the two clamping bases 17. The rotating knob 21 is twisted to rotate the rotating threaded rod 18 and drive the clamping block 9 to move downward to clamp the pointer. Thus, the length of the pointer can be adjusted conveniently, and the clamping device does not need to be adjusted additionally and assisted by tools, thereby improving the practicability of the device. The output end of the first electric motor 5 rotates the threaded rod 19 and drives the sliding seat 4 to move up and down. The sliding seat 4 moves up and down to drive the DC electromagnet 2 to move up and down and drive the detection hammer 7 to move up and down to a suitable height. The DC power supply 20 is powered off to make the DC electromagnet 2 lose magnetic force. Then, the detection hammer 7 loses the limitation of the DC electromagnet 2 and moves downward to detect the pointer by the drop hammer impact method. This method can directly reflect the deformation and fracture of the pointer under the action of external force, and control the impact energy conveniently.

[0036] Working principle: first through the output end of the second motor 16 rotates driven bidirectional screw rod 11 rotates at the same time driven mobile seat 13 opposite movement, so according to the length of the pointer adjust the distance between the mobile seat 13, then the pointer is placed in the surface inside two clamping base 17, then twist the rotating block 21 rotates driven rotating screw rod 18 rotates at the same time driven clamping block 9 down to move to the pointer clamping, then through the output end of the first motor 5 rotates driven screw rod 19 rotates at the same time driven sliding seat 4 up and down, then sliding seat 4 up and down driven DC electromagnet 2 up and down at the same time driven detection hammer 7 up and down move to the appropriate height, then the DC power supply 20 power off makes DC electromagnet 2 lose magnetic force, then detection hammer 7 lose DC electromagnet 2 on its limit down to move to the pointer drop hammer impact method detection.

[0037] The embodiment of the utility model has been explained in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, within the knowledge scope possessed by the ordinary skill in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A device for testing the flexibility of a clock hand, comprising a support base (1), characterized in that: The support base (1) is provided with clamping devices; The clamping device comprises a fixed support (14) and two movable seats (13), the fixed support (14) is fixedly connected on the upper surface of the support base (1), the upper surface of the fixed support (14) is provided with two double-threaded rod grooves (12), the inside of the left double-threaded rod groove (12) is rotatably connected with a double-threaded rod (11); Wherein, the lower left end of the two movable seats (13) is threadedly connected with the outer wall of the double-threaded rod (11), the inside of the right double-threaded rod groove (12) is fixedly connected with a fixed rod (10), the inside of the groove on one side of the fixed support (14) is provided with a second motor (16), the upper surface of the two movable seats (13) is fixedly connected with clamping bases (17), the inside of the two clamping bases (17) is fixedly connected with fixed limiting rods (15), the inside of the two clamping bases (17) is provided with clamping blocks (9), the inside of the two clamping bases (17) is rotatably connected with rotating threaded rods (18), the upper surface of the two clamping bases (17) is rotatably connected with rotating blocks (21).

2. A device for testing the flexibility of a clock hand according to claim 1, characterized in that: The lower right end of the two movable seats (13) is slidably connected with the outer wall of the fixed rod (10), the output end of the second motor (16) extends into the inside of the left double-threaded rod groove (12) and is fixedly connected with one end of the double-threaded rod (11), the two clamping bases (17) are both "U" shaped; Wherein, the outer wall of the two clamping blocks (9) is slidably connected with the corresponding fixed limiting rod (15), the outer wall of the two clamping blocks (9) is threadedly connected with the corresponding rotating threaded rod (18), one end of the two rotating threaded rods (18) close to the rotating block (21) extends to the outside of the rotating threaded rod (18) and is fixedly connected with the lower end of the rotating block (21).

3. A device for testing the flexibility of a clock hand according to claim 1, characterized in that: The upper surface of the support base (1) is fixedly connected with a support (3), the upper surface of the support (3) is fixedly connected with a first motor (5); Wherein, the outer wall of the support (3) is rotatably connected with a threaded rod (19) in the groove.

4. A device for testing the flexibility of a clock hand according to claim 3, characterized in that: The output end of the first motor (5) extends to the inside of the groove on the outer wall of the support (3) and is fixedly connected with one end of the threaded rod (19); Wherein, the outer wall of the threaded rod (19) is threadedly connected with a sliding seat (4).

5. A device for testing the flexibility of a clock hand according to claim 4, characterized in that: The outer wall of the sliding seat (4) is slidably connected with the corresponding groove on the outer wall of the support (3) on both sides; Wherein, the upper end of the outer wall of the support (3) is fixedly connected with a support plate (6), the lower surface of the support plate (6) is fixedly connected with a limiting rod (8).

6. A device for testing the flexibility of a clock hand according to claim 5, characterized in that: The outer wall of the limiting rod (8) is slidably connected with a detection hammer (7), the outer wall of the groove of the sliding seat (4) is provided with a DC power supply (20); Wherein, the outer wall of the end of the sliding seat (4) away from the threaded rod (19) is provided with a DC electromagnet (2), the DC electromagnet (2) is electrically connected with the DC power supply (20), the outer wall of the detection hammer (7) is in contact with the outer wall of the DC electromagnet (2).

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