Tool for measuring graphite compression amount by using dual-purpose meter

Abstract

The utility model discloses a tool for measuring graphite compression amount by using a dual-purpose meter, which relates to the field of measuring devices and comprises a pressing frame, a measuring hole is arranged in the middle of the pressing frame in a penetrating manner, a force and distance measuring digital display meter is detachably connected onto the pressing frame, the force and distance measuring digital display meter and the measuring hole are coaxially arranged, and a rotating rod is arranged above the force and distance measuring digital display meter. A mounting fixing frame is arranged on the rotating rod and is in threaded connection fit with the rotating rod; the pressing frame, the force and distance measuring digital display meter, the rotating rod and the mounting and fixing frame are coaxially arranged; according to the tool for measuring the compression amount of the graphite by using the dual-purpose meter, through detachable connection among the pressing frame, the force and distance measuring digital display meter, the rotating rod and the mounting fixing frame, accurate measurement of the compression amount of the graphite in a mounting state is realized, and meanwhile, the problems of poor adaptability, accuracy and convenience of a compression clamp in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measuring device, concretely to a tool for measuring graphite compression amount with dual-purpose gauge. BACKGROUND

[0002] In order to prevent fuel or lubricating oil from leaking at graphite, the graphite compression amount needs to be kept within a certain range, so the graphite compression amount needs to be measured.

[0003] The traditional graphite compression amount measuring device usually fixes a clamp on a universal testing machine, and under the driving of the universal testing machine, the upper clamp moves downward, the sample between the upper and lower clamps is clamped, the vertical rod compresses the measuring rod, and the compression amount of the clamp is accurately displayed on the micrometer.

[0004] However, this kind of measuring device has the following shortcomings: it cannot measure workpieces in the installed state, and has poor adaptability; when the clamp jaws, measuring rods and other components need to be replaced, the whole device needs to be disassembled, and the replaceability is poor; the micrometer used often has errors and needs to be zeroed, and each time the micrometer needs to be disassembled and reassembled, so the accuracy and convenience are poor. SUMMARY

[0005] The utility model aims at providing a tool for measuring graphite compression amount with dual-purpose gauge, which realizes accurate measurement of graphite compression amount in the installed state through detachable connection between the pressing frame, the force and distance measuring digital display gauge, the rotating rod and the mounting and fixing frame, and solves the problems of poor adaptability, accuracy and convenience of the compression clamp in the prior art.

[0006] The above-mentioned optimized structure of the utility model is realized through the following technical scheme: a tool for measuring graphite compression amount with dual-purpose gauge, comprising a pressing frame, a measuring hole is provided in the middle of the pressing frame, a force and distance measuring digital display gauge is detachably connected to the pressing frame, the force and distance measuring digital display gauge is coaxially arranged with the measuring hole, a rotating rod is arranged above the force and distance measuring digital display gauge, a mounting and fixing frame is arranged on the rotating rod, and the mounting and fixing frame is screw-connected with the rotating rod; the pressing frame, the force and distance measuring digital display gauge, the rotating rod and the mounting and fixing frame are coaxially arranged.

[0007] In some embodiments, the force and distance measuring digital display gauge comprises a fixed table, the fixed table is coaxially arranged on the top of the measuring hole, an infrared emitter and an infrared receiver are arranged on the bottom of the fixed table, a pressure sensor is arranged on the top of the fixed table, and the rotating rod is arranged on the pressure sensor.

[0008] In some embodiments, a digital display screen is arranged on the side wall of the fixed table.

[0009] In some embodiments, the fixed platform bottom is coaxially provided with a screw rod, the screw rod is screw-connected with the measuring hole, the screw rod is provided with a through hole, and the top of the through hole is provided with the infrared emitter and the infrared receiver.

[0010] In some embodiments, the screw rod is provided with locking nuts at both ends, and the two locking nuts are arranged at both ends of the pressing frame.

[0011] In some embodiments, the rotating rod comprises a screwing part, the screwing part is screw-connected with the mounting fixed frame, and the top of the screwing part is vertically provided with a rotating part.

[0012] In some embodiments, the rotating rod is provided with a force measuring spring between the force measuring distance display meter and the rotating rod.

[0013] In some embodiments, the pressing frame comprises a U-shaped frame, the U-shaped frame is provided with arc-shaped plates at both ends, and the arc-shaped plates are provided with ball bearings at the bottom.

[0014] In summary, the utility model has the following beneficial effects:

[0015] The tool for measuring the graphite compression amount by using the dual-purpose meter realizes the accurate measurement of the graphite compression amount in the installed state through the detachable connection between the force measuring distance display meter and the rotating rod and the detachable connection between the rotating rod and the mounting fixed frame, improves the adaptability, replaceability and operation convenience of the tool, the force measuring distance display meter adopts the infrared distance measuring technology, and the measurement can be performed without contacting the graphite sample, error and zero calibration caused by contact are avoided, in addition, the force measuring spring can protect the force measuring distance display meter, and the force measuring distance display meter is prevented from being damaged due to excessive force of the rotating rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is a bottom view of the force measuring distance display meter of the utility model;

[0018] Figure 3 It is a structural diagram of the force measuring distance display meter of the utility model;

[0019] Figure 4 It is a working principle diagram of the force measuring distance display meter of the utility model;

[0020] Figure 5 It is a structural diagram in embodiment 1 of the utility model.

[0021] In the figure: 1, the press frame; 11, the U-shaped frame; 12, the arc plate; 13, the ball; 2, the force measuring distance digital display meter; 21, the fixed table; 22, the infrared emitter; 23, the infrared receiver; 24, the pressure sensor; 25, the digital display screen; 3, the mounting fixed frame; 4, the rotating rod; 41, the screw joint; 42, the rotating part; 5, the screw rod; 6, the locking nut; 7, the force spring; 8, the graphite; 9, the machine box. DETAILED DESCRIPTION

[0022] The technical solutions in the novel embodiments of the system will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Reference Figures 1-5 A tool for measuring the compression amount of graphite by using a dual-purpose meter, comprising a press frame 1, the press frame 1 can be a frame structure, the press frame 1 is used for extruding graphite to move the graphite; a measuring hole is arranged through the middle of the press frame 1, and a force measuring distance digital display meter 2 is detachably connected to the press frame 1, the force measuring distance digital display meter 2 is coaxially arranged with the measuring hole, a rotating rod 4 is arranged above the force measuring distance digital display meter 2, a mounting fixed frame 3 is arranged on the rotating rod 4, the mounting fixed frame 3 can be a convex frame, and mounting holes can be arranged at both ends of the mounting fixed frame 3 to facilitate mounting on a platform to be measured; the size and shape of the mounting fixed frame 3 can be adjusted according to actual needs to adapt to measurement under different fixed platforms; the mounting fixed frame 3 is screw-connected with the rotating rod 4, and detachable connection between the mounting fixed frame 3 and the rotating rod 4 can be realized; the press frame 1, the force measuring distance digital display meter 2, the rotating rod 4 and the mounting fixed frame 3 are coaxially arranged, accurate measurement of the compression amount of graphite in a mounted state can be realized, and the adaptability, replaceability and operation convenience of the tool are improved.

[0024] In some embodiments, the force measuring distance digital display meter 2 comprises a fixed table 21, the fixed table 21 is coaxially arranged at the top of the measuring hole, a screw rod 5 is coaxially arranged at the bottom of the fixed table 21, the screw rod 5 is screw-connected with the measuring hole, detachable connection between the force measuring distance digital display meter 2 and the press frame 1 can be realized, the screw rod 5 is provided with a through hole, an infrared emitter 22 and an infrared receiver 23 are arranged at the bottom of the fixed table 21, the infrared emitter 22 and the infrared receiver 23 are arranged at the top of the through hole, the time difference between the emission of infrared rays from the infrared emitter 22 and the recovery of the infrared receiver 23 can realize the measurement of the distance, the fixed table 21 is provided with a pressure sensor 24 at the top, the rotating rod 4 is arranged on the pressure sensor 24, the pressure sensor 24 can sense the pressure of the rotating rod 4 on the force measuring distance digital display meter 2, and a digital display screen 25 is arranged on the side wall of the fixed table 21 to display the measurement data in real time.

[0025] ReferenceFigure 4 The fixed table 21 is also provided with a controller and a power supply. The power supply supplies power to each working unit, the controller outputs an infrared emission instruction, the infrared emitter emits infrared light 22, the infrared receiver 23 receives the data and feeds back the data to the controller, the controller receives the data of the pressure sensor 24 at the same time, and finally the data is displayed on the digital display screen 25 after processing. This is the prior art, which will not be described in detail here.

[0026] In some embodiments, the screw rod 5 is provided with a locking nut 6 at both ends, and the two locking nuts 6 are arranged at both ends of the pressing frame 1, which can improve the fixing strength of the force and distance digital display meter 2 on the pressing frame 1.

[0027] In some embodiments, the rotating rod 4 includes a screwing part 41, which is screwed with the mounting fixed frame 3 to achieve detachable connection of the rotating rod 4 and the mounting fixed frame 3. The top of the screwing part 41 is vertically provided with a rotating part 42, which facilitates the rotating operation of the rotating rod 4.

[0028] In some embodiments, a force spring 7 is arranged between the rotating rod 4 and the force and distance digital display meter 2, which can be coaxially arranged and fixed by welding. The top of the force spring 7 can be welded and fixed with the bottom of the rotating rod 4, and the top of the force and distance digital display meter 2 can be welded with a fixing ring. The fixing ring is coaxially provided with a limiting boss inside, the bottom of the force spring 7 is sleeved on the limiting boss, and the gap between the fixing ring and the limiting boss is matched with the gap of the force spring 7. When the rotating rod 4 rotates, the resistance to torsion generated by the fixed ends of the force spring 7 can be avoided, thereby improving the resistance of the rotating rod 4 when rotating. Through the compression deformation of the force spring 7, when the measured object reaches the maximum compression amount, the pressure can be continuously increased to damage the force and distance digital display meter 2.

[0029] In some embodiments, the pressing frame 1 includes a U-shaped frame 11, and the U-shaped frame 11 is provided with an arc-shaped plate 12 at both ends. The arc-shaped plate 12 can be attached to the surface of the graphite 8 to make the graphite 8 bear force uniformly and compress the compression spring at the bottom of the graphite 8. The bottom of the arc-shaped plate 12 can be provided with a ball 13 to reduce the friction between the pressing frame 1 and the graphite 8 and avoid damage to the surface of the graphite 8.

[0030] The specific working principle is as follows:

[0031] When the compression amount of the graphite needs to be measured, first, the pressing frame 1 is placed on the graphite, and then the force and distance digital display meter 2 is connected and fixed with the pressing frame 1 through the screw rod 5. Then, the mounting fixed frame 3 is connected with the rotating rod 4 through the screwing part 41, and the bottom of the rotating rod 4 is connected with the pressure sensor 24. At this time, the whole device is in the initial position, the infrared emitter 22 emits infrared rays, the infrared rays are reflected after reaching the measured object, the infrared receiver 23 receives the reflected infrared rays, and the initial distance is calculated according to the propagation time of the infrared rays.

[0032] Rotating the rotating rod 4, it is lowered, the pressure is transmitted to the pressure sensor 24, the pressure frame 1 transmits the pressure suffered by the pressure sensor 24 to the graphite, the graphite is compressed under the action of pressure, the displayed value on the digital display screen 25 is observed constantly, when the distance value on the digital display screen 25 is unchanged, and the pressure value is increased, at this time, the graphite reaches the maximum compression amount, the distance value on the digital display screen 25 is the final distance, and the final distance minus the initial distance is the compression amount of the graphite.

[0033] Embodiment 1:

[0034] Reference Figure 5 The graphite 8 and the machine case 9 are prior art, and the specific structure will not be described here; first, the pressure frame 1 is placed on the graphite 8, then the force and distance measuring digital display meter 2 is connected and fixed with the pressure frame 1 through the screw rod 5 and the locking nut 6. Then, the mounting bracket 3 is connected with the rotating rod 4 through the screwing part 41, the mounting bracket 3 is fixed on the fixing bolt on the machine case 9 using the nut, and the rotating rod 4 is rotated, the bottom of the rotating rod 4 is connected with the pressure sensor 24, at this time, the whole device is in the initial position, the infrared emitter 22 emits infrared rays, the infrared rays are reflected after reaching the inner bottom wall of the machine case 9, the infrared receiver 23 receives the reflected infrared rays, and the initial distance is calculated according to the propagation time of the infrared rays, and the initial distance value is obtained from the digital display screen 25.

[0035] Rotating the rotating rod 4, it is lowered, the pressure is transmitted to the pressure sensor 24, the pressure frame 1 transmits the pressure suffered by the pressure sensor 24 to the graphite 8, the graphite 8 is deformed and compressed under the action of pressure, the displayed value on the digital display screen 25 is observed constantly, when the distance value on the digital display screen 25 is unchanged, and the pressure value is increased, at this time, the graphite 8 reaches the maximum compression amount, the distance value on the digital display screen 25 is the final distance value, and the final distance value minus the initial distance value is the compression amount of the graphite.

[0036] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A tool for measuring the amount of compression of graphite with a dual purpose gauge, characterized in that: The utility model provides a kind of force measuring and distance measuring digital display table, including press frame (1), the press frame (1) middle is equipped with measuring hole, the press frame (1) is detachably connected with force measuring and distance measuring digital display table (2), the force measuring and distance measuring digital display table (2) is coaxially arranged with the measuring hole, the force measuring and distance measuring digital display table (2) top is equipped with rotating rod (4), the rotating rod (4) is equipped with mounting bracket (3), the mounting bracket (3) is screw jointed with the rotating rod (4);The press frame (1), the force measuring and distance measuring digital display table (2), the rotating rod (4) and the mounting bracket (3) are coaxially arranged.

2. A tool for measuring the amount of compression of graphite with a dual purpose gauge according to claim 1, characterized in that: The force measuring and distance measuring digital display table (2) includes fixed platform (21), the fixed platform (21) is coaxially arranged on the top of the measuring hole, the fixed platform (21) bottom is equipped with infrared emitter (22) and infrared receiver (23), the fixed platform (21) top is equipped with pressure sensor (24), the pressure sensor (24) is equipped with the rotating rod (4).

3. A tool for measuring the amount of compression of graphite with a dual purpose gauge according to claim 2, characterized in that: The fixed platform (21) side wall is equipped with digital display screen (25).

4. A tool for measuring the amount of compression of graphite with a dual purpose gauge according to claim 2, characterized in that: The fixed platform (21) bottom is coaxially equipped with screw rod (5), the screw rod (5) is screw jointed with the measuring hole, the screw rod (5) is equipped with through hole, the through hole top is equipped with the infrared emitter (22), the infrared receiver (23).

5. A tool for measuring the amount of compression of graphite with a dual purpose gauge according to claim 4, characterized in that: The screw rod (5) both ends are equipped with locking nut (6), two the locking nut (6) are separately arranged in the press frame (1) both ends.

6. A tool for measuring the amount of compression of graphite with a dual purpose gauge as claimed in claim 1, characterized in that: The rotating rod (4) includes screw joint (41), the screw joint (41) is screw jointed with the mounting bracket (3), and the screw joint (41) top is vertically provided with rotating part (42).

7. A tool for measuring the amount of compression of graphite with a dual purpose gauge as claimed in claim 1, characterized in that: The rotating rod (4) and the force measuring and distance measuring digital display table (2) are equipped with force spring (7).

8. A tool for measuring the amount of compression of graphite with a dual purpose gauge as claimed in claim 1, characterized in that: The press frame (1) includes U-shaped frame (11), the U-shaped frame (11) both ends are equipped with arc plate (12), and the arc plate (12) bottom is equipped with ball (13).

Images