Laser diameter measuring instrument

Abstract

The utility model discloses a laser diameter measuring instrument, which relates to the technical field of cable detection equipment and comprises a fixing frame, a through groove with a square structure is arranged in the middle of the fixing frame in a penetrating manner, and laser detectors are fixedly arranged in the middles of the four inner walls of the through groove. According to the utility model, the fixed frame is arranged, the laser detector is arranged in the through groove in the middle of the fixed frame, the movable seat is arranged at the notch of the through groove, the lower guide wheel and the upper guide wheel are arranged above the movable seat, and the lower guide wheel is matched with the upper guide wheel, so that the cable can be positioned; the position of the cable can be adjusted to ensure that the middle part of the cable can be aligned with the laser detector, so that the detection precision of the device can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of cable detection equipment, in particular to a laser diameter measuring instrument. Background Art

[0002] Laser diameter gauges are used to measure the size of objects being measured. The internal layout of the laser diameter gauges currently on the market is unreasonable, and some components cannot dissipate heat in time. Due to the large size of the box, the diameter gauge cannot be installed and used in some equipment with relatively compact space. At the same time, there are no supporting components when the external pipes to be measured pass through, and the reliability is poor, which is in urgent need of improvement.

[0003] A laser diameter gauge with publication number CN205448981U comprises a box body, a groove for a pipe to be measured to pass through is provided on the box body, an L-shaped support is fixed to the bottom of the groove by a first screw, a fixture is fixed to the inner wall of the support by a second screw, two flanges are extended to the inside of the box body on both sides of the groove, the two flanges surround a middle cavity for placing a PCB board, an insulating paper is attached to the upper wall of the middle cavity, a left interface and a right interface are provided at both ends of the PCB board, the left interface and the right interface are located at the periphery of the flange, the left cavity and the right cavity are provided on both sides of the middle cavity, a laser seat, a scanning mirror assembly and a signal transmitting board are provided in the right cavity, a power socket is provided on the side wall of the right cavity, a laser transmitter is provided on the laser seat, the right interface is electrically connected to the signal transmitting board and the power socket, a signal receiving board is provided in the left cavity, and the left interface is electrically connected to the signal receiving board. The laser diameter gauge of the utility model has a compact structure, a reasonable layout and good reliability.

[0004] The above technical solution has some problems in practical application. When testing cables, in order to ensure the detection accuracy, it is necessary to ensure that the middle of the cable can be aligned with the laser detector. However, when testing cables of different specifications, the fixed support is difficult to adjust, so it is difficult to ensure that the middle of the cable is aligned with the laser detector.

[0005] Therefore, it is necessary to invent a laser diameter measuring instrument to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a laser diameter measuring instrument to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser diameter gauge, comprising a fixed frame, a square-structured through slot is provided in the middle of the fixed frame, laser detectors are fixedly provided in the middle of the four inner walls of the through slot, a dust cover is fixedly provided on the outside of the laser detector, a wire feed slot is provided in the top of the inner wall of the through slot, fixed seats are fixedly provided on both sides of the slot opening of the through slot, a movable seat is provided above the fixed seat, a lower guide wheel is provided at the top of the movable seat, and a wire pressing groove is provided around the middle of the lower guide wheel, an extension seat is fixedly provided at one end of the movable seat, a support arm is movably provided inside the extension seat through a pin shaft, an upper guide wheel is movably provided at the top of the support arm through a bearing, and the upper guide wheel corresponds to the lower guide wheel.

[0008] Preferably, a strip groove is provided through the middle of the support arm, a positioning screw is provided through the middle of the strip groove, and one end of the positioning screw is fixedly provided on the inner wall of the extension seat.

[0009] Preferably, a positioning ring is sleeved on the middle of the positioning screw, and the positioning ring is fitted with one side of the support arm, a locking nut is sleeved on one end of the positioning screw, and a spring is provided between the locking nut and the positioning ring.

[0010] Preferably, a thread groove is provided through the middle of the fixed seat, an adjusting screw is provided through the inside of the thread groove, and the top end of the adjusting screw is movably provided in the middle of the lower surface of the movable seat through a bearing.

[0011] Preferably, slots are provided at both ends of the lower surface of the fixed seat, an insertion rod is provided inside the slot, and the top end of the insertion rod is fixedly provided on the lower surface of the movable seat.

[0012] Preferably, a display screen is fixedly provided on the top end of the outer wall of the fixing frame, and the display screen is electrically connected to the laser detector, and a bracket is fixedly provided on the bottom end of the fixing frame.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model sets a fixed frame, a laser detector is set in the through slot in the middle of the fixed frame, a movable seat is set at the notch of the through slot, a lower guide wheel and an upper guide wheel are set above the movable seat, and the lower guide wheel cooperates with the upper guide wheel to position the cable. By adjusting the position of the movable seat, the position of the cable can be adjusted to ensure that the middle of the cable can be aligned with the laser detector, thereby ensuring the detection accuracy of the device;

[0015] 2. The utility model is provided with a movable seat, an extension seat is provided on one side of the movable seat, a support arm is provided inside the extension seat, the support arm can support the upper guide wheel, a strip groove is provided in the middle of the support arm, a positioning screw is provided inside the strip groove, and a positioning ring and a locking nut on the outside of the positioning screw can press the support arm, thereby adjusting the position of the support arm to ensure that the upper guide wheel can press the cable above the lower guide wheel, thereby ensuring the stability of the cable during the detection process of the device to ensure the detection accuracy of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the fixing frame structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the movable seat of the utility model.

[0019] Figure 4 It is a schematic diagram of the extension seat structure of the utility model.

[0020] In the figure: 1. fixing bracket; 2. through slot; 3. laser detector; 4. dust cover; 5. wire inlet slot; 6. fixing seat; 7. movable seat; 8. lower guide wheel; 9. wire pressing slot; 10. extension seat; 11. support arm; 12. upper guide wheel; 13. strip slot; 14. positioning screw; 15. positioning ring; 16. locking nut; 17. spring; 18. threaded slot; 19. adjusting screw; 20. slot; 21. plug rod; 22. display screen; 23. bracket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-4 A laser diameter measuring instrument shown in the figure comprises a fixing frame 1, a through slot 2 of a square structure is provided through the middle of the fixing frame 1, laser detectors 3 are fixedly provided in the middle of four inner walls of the through slot 2, a dust cover 4 is fixedly provided on the outer side of the laser detector 3, and a wire inlet slot 5 is provided through the top of the inner wall of the through slot 2;

[0023] Specifically, fixed seats 6 are fixedly provided on both sides of the notch of the through slot 2, a movable seat 7 is provided above the fixed seat 6, a lower guide wheel 8 is provided at the top of the movable seat 7, and a wire pressing groove 9 is provided around the middle of the lower guide wheel 8, the wire pressing groove 9 can play an auxiliary positioning role for the cable, and the wire pressing groove 9 is located in the middle of the through slot 2 to ensure that the upper and lower laser detectors 3 can be directly aligned with the middle of the cable, an extension seat 10 is fixedly provided at one end of the movable seat 7, a support arm 11 is movably provided inside the extension seat 10 through a pin shaft, an upper guide wheel 12 is movably provided at the top of the support arm 11 through a bearing, and the upper guide wheel 12 corresponds to the lower guide wheel 8, and the upper guide wheel 12 cooperates with the lower guide wheel 8 to achieve clamping and fixing of the cable;

[0024] More specifically, a strip groove 13 is provided through the middle of the support arm 11, a positioning screw 14 is provided through the middle of the strip groove 13, and one end of the positioning screw 14 is fixedly provided on the inner wall of the extension seat 10, a positioning ring 15 is sleeved in the middle of the positioning screw 14, and the positioning ring 15 is fitted with one side of the support arm 11, a locking nut 16 is sleeved at one end of the positioning screw 14, and a spring 17 is provided between the locking nut 16 and the positioning ring 15, and the setting of the spring 17 allows the support arm 11 to be pulled without rotating the locking nut 16, so as to facilitate the placement and removal of the cable;

[0025] In addition, a thread groove 18 is provided through the middle of the fixed seat 6, an adjusting screw 19 is provided through the inside of the thread groove 18, and the top of the adjusting screw 19 is movably provided in the middle of the lower surface of the movable seat 7 through a bearing, and slots 20 are provided through both ends of the lower surface of the fixed seat 6, and a plug rod 21 is provided through the inside of the slot 20, and the top of the plug rod 21 is fixedly provided on the lower surface of the movable seat 7. The arrangement of the plug rod 21 and the slot 20 can ensure the stable movement of the movable seat 7;

[0026] Moreover, a display screen 22 is fixedly provided at the top of the outer wall of the fixing frame 1 , and the display screen 22 is electrically connected to the laser detector 3 , and a bracket 23 is fixedly provided at the bottom end of the fixing frame 1 , and the display screen 22 can display the detection data of the laser detector 3 .

[0027] Working principle of this utility model:

[0028] When the device is in use, the cable is placed into the through slot 2 through the cable entry slot 5, and the support arm 11 is pulled so that the support arm 11 drives the upper guide wheel 12 to move, so that the upper guide wheel 12 is separated from the lower guide wheel 8, and then the cable is placed between the upper guide wheel 12 and the lower guide wheel 8, and the locking nut 16 is turned. The locking nut 16 drives the positioning ring 15 to move through the spring 17, so that the positioning ring 15 presses the support arm 11, so that the support arm 11 drives the upper guide wheel 12 to press the cable, and the cable can be fixed at this time;

[0029] When measuring the cable diameter, the height of the movable seat 7 can be adjusted by rotating the adjusting screw 19 and cooperating with the threaded groove 18, and the movable seat 7 can drive the cable to move through the lower guide wheel 8 and the upper guide wheel 12 to adjust the position of the cable. By starting the four laser detectors 3 and adjusting the cables, the detection data of the four laser detectors 3 are guaranteed to be consistent. At this time, the middle of the cable is aligned with the laser detector 3, and the detection data at this time is the diameter data of the cable.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A laser diameter measuring instrument, comprising a fixing frame (1), characterized in that: A through slot (2) of a square structure is provided in the middle of the fixed frame (1), a laser detector (3) is fixedly provided in the middle of the four inner walls of the through slot (2), a dust cover (4) is fixedly provided on the outer side of the laser detector (3), a wire feed slot (5) is provided in the top of the inner wall of the through slot (2), a fixed seat (6) is fixedly provided on both sides of the notch of the through slot (2), a movable seat (7) is provided above the fixed seat (6), a lower guide wheel (8) is provided at the top of the movable seat (7), and a wire pressing groove (9) is provided around the middle of the lower guide wheel (8), an extension seat (10) is fixedly provided at one end of the movable seat (7), a support arm (11) is movably provided inside the extension seat (10) through a pin shaft, an upper guide wheel (12) is movably provided at the top of the support arm (11) through a bearing, and the upper guide wheel (12) corresponds to the lower guide wheel (8).

2. A laser diameter measuring instrument according to claim 1, characterized in that: A strip groove (13) is provided through the middle of the support arm (11), a positioning screw (14) is provided through the middle of the strip groove (13), and one end of the positioning screw (14) is fixedly arranged on the inner wall of the extension seat (10).

3. A laser diameter measuring instrument according to claim 2, characterized in that: A positioning ring (15) is sleeved on the middle of the positioning screw (14), and the positioning ring (15) is in contact with one side of the support arm (11). A locking nut (16) is sleeved on one end of the positioning screw (14), and a spring (17) is provided between the locking nut (16) and the positioning ring (15).

4. A laser diameter measuring instrument according to claim 3, characterized in that: A thread groove (18) is provided through the middle of the fixed seat (6), an adjusting screw (19) is provided through the inside of the thread groove (18), and the top end of the adjusting screw (19) is movably arranged in the middle of the lower surface of the movable seat (7) through a bearing.

5. A laser diameter measuring instrument according to claim 4, characterized in that: Both ends of the lower surface of the fixed seat (6) are penetrated by slots (20), an insertion rod (21) is penetrated inside the slot (20), and the top end of the insertion rod (21) is fixedly arranged on the lower surface of the movable seat (7).

6. A laser diameter measuring instrument according to claim 5, characterized in that: A display screen (22) is fixedly arranged at the top end of the outer wall of the fixing frame (1), and the display screen (22) is electrically connected to the laser detector (3). A bracket (23) is fixedly arranged at the bottom end of the fixing frame (1).

Images