CN114659783B - Measurement is test fixture for instrumentation - Google Patents
Measurement is test fixture for instrumentation Download PDFInfo
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- CN114659783B CN114659783B CN202210571601.2A CN202210571601A CN114659783B CN 114659783 B CN114659783 B CN 114659783B CN 202210571601 A CN202210571601 A CN 202210571601A CN 114659783 B CN114659783 B CN 114659783B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a test tool for a metering and detecting instrument, and relates to the technical field of instrument testing. The invention comprises a workbench device, a detection device, a protection device and a fixing device; the workbench equipment is in sliding fit with the detection equipment; the protective equipment is matched with the workbench equipment in a clamping way; the fixing device is matched with the workbench device in a clamping manner. According to the invention, through the design of the workbench equipment, the detection equipment, the protection equipment and the fixing equipment and the matching relation among the equipment, the testing steps of operators are simplified to a certain extent, the measurement of the transmission precision of a sample to be detected is realized, the original testing process is replaced by the method that different testing clamps are required to be replaced according to the size and the length of the sample to be detected, the time and the labor are saved, certain convenience is brought to the testing of the detection personnel, the use of the detection personnel is facilitated, and the practicability of the whole device in the testing engineering is improved.
Description
Technical Field
The invention belongs to the technical field of instrument testing, and particularly relates to a testing tool for a metering and detecting instrument.
Background
Gear refers to a mechanical element on a rim with gears continuously engaged to transmit motion and power. The gears are divided into cylindrical gears, bevel gears, non-circular gears, racks, worms and worm gears according to the shapes of the gears, and are widely applied to various mechanical devices. Before the gear leaves factory, the gear must be detected to ensure the transmission precision of the gear, the radial runout of the gear ring is within one rotation range of the gear, the measuring head is in double-sided contact with the middle part of the tooth height in the tooth space or on the gear tooth, and the measuring head has the maximum variation relative to the axial lead of the gear.
When the existing test tool for the metering and detecting instrument detects the transmission precision, different test fixtures need to be replaced according to the size and the length of a sample piece to be detected, time and labor are wasted, certain inconvenience is brought to detection personnel, the test personnel cannot conveniently use the test tool, and the practicability is low. Therefore, a test tool for a metering and detecting instrument is designed to solve the problems.
Disclosure of Invention
The invention aims to provide a testing tool for a metering and detecting instrument, which solves the problems that when the transmission precision of the existing testing tool for the metering and detecting instrument is detected, different testing clamps need to be replaced according to the size and the length of a sample piece to be detected, time and labor are wasted, certain inconvenience is brought to detection personnel, the use of the detection personnel is inconvenient, and the practicability is low.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a test tool for a metering and detecting instrument, which comprises a workbench device, a detecting device, a protecting device and a fixing device, wherein the workbench device is provided with a workbench; the workbench equipment is in sliding fit with the detection equipment; the fixing equipment is matched with the workbench equipment in a clamping manner;
the workbench equipment comprises a workbench; two sliding support columns are symmetrically fixed on the top of the workbench; a detection sliding rod is fixed between the two sliding supports at the top of the workbench;
the top of the workbench is provided with a first rectangular opening; a servo motor is fixed on one inner side wall of the first rectangular opening; an L-shaped rotating rod is fixed on an output shaft of the servo motor;
a 90-degree arc-shaped rotary groove is fixed at the bottom of the workbench; a dial is arranged on the 90-degree arc-shaped rotary groove; the inner wall of the 90-degree arc-shaped rotary groove is in sliding fit with an arc-shaped sliding block; an adjusting plate is rotatably matched on one side of the arc-shaped sliding block; the end part of the L-shaped rotating rod is fixedly connected with the arc-shaped sliding block;
the detection device comprises a detection fixing plate; the top of the detection fixing plate is provided with a slide hole; a rotary clamping piece is fixed on one side of the detection fixing plate; the slide hole is in sliding fit with the detection slide rod; the rotating clamping piece is in rotating fit with the adjusting plate.
Furthermore, a second rectangular opening is formed in the top of the workbench; a plurality of first clamping columns are fixed at the top of the workbench;
a second clamping column is fixed at one side of the two sliding support columns at the top of the workbench;
two spacing spout has all been seted up to slip pillar one side.
Furthermore, two opposite side surfaces of the detection fixing plate are respectively fixed with a limiting rail; and the limiting rail is in sliding fit with the limiting sliding groove.
Furthermore, a first bidirectional screw is rotatably matched at the top of the detection fixing plate; two symmetrical instrument clamping plates are rotationally matched with the threads on the peripheral side surface of the first bidirectional screw; an indicator is clamped between the two instrument clamping plates;
a first limiting rod penetrates through and is fixed at the top of the detection fixing plate; the first limiting rod extends towards two sides; and the two instrument clamping plates are in sliding fit with the first limiting rod.
Further, the protection equipment comprises a protection cover; the two opposite side surfaces of the protective cover are symmetrically provided with detection sliding chutes;
two ear plates with holes are symmetrically fixed on two opposite side surfaces of the protective cover.
Further, the fixing device comprises a fixing plate; the top of the fixing plate is provided with a plurality of fixing holes; the fixing hole is clamped with the first clamping column.
Furthermore, the top of the fixing plate is provided with a moving notch; a second limiting rod is fixed on the inner wall of the moving notch; the inner wall of the moving notch is in sliding fit with two symmetrical fixing frames;
supporting baffles are fixed at the tops of the two fixing frames; and a shaft body placing frame is fixed on one side of the two fixing frames.
Furthermore, a rotating motor is fixed on one side of the supporting baffle; the output shaft of the rotating motor penetrates through the supporting baffle; two third limiting rods are symmetrically fixed on the output shaft of the rotating motor; the output shaft of the rotating motor is in threaded rotation fit with a second bidirectional screw; two first shaft clamping plates are rotationally matched with the peripheral side threads of the second bidirectional screw; the two first shaft body clamping plates are in sliding fit with the third limiting rod;
a first spring is fixed between the first shaft body clamping plate and the output shaft of the rotating motor; the first spring is sleeved on the second bidirectional screw rod.
Furthermore, a driven rotary column is rotatably matched on the side surface of the supporting baffle; a fourth limiting rod is symmetrically fixed on the peripheral side surface of the driven rotating column; a third bidirectional screw is rotationally matched with the circumferential side surface of the driven rotary column; two symmetrical second shaft body clamping plates are rotationally matched with the peripheral side surface of the third bidirectional screw in a threaded manner;
the peripheral side surface of the driven rotating column is symmetrically and fixedly connected with a second spring; one end of the second spring is fixedly connected with the second shaft body clamping plate.
Further, a moving motor is fixed at the outer bottom of the fixing plate;
a displacement rotating rod is fixed on an output shaft of the moving motor; the top of the displacement rotating rod is rotationally matched with two symmetrical radian rotating rods; the radian rotating rod is matched with the two fixing frames in a rotating way.
The invention has the following beneficial effects:
1. the invention starts the servo motor to drive the L-shaped rotating rod to rotate, and the arc-shaped sliding block rotates in the 90-degree arc-shaped rotating groove, so that the detection fixing plate moves up and down together with the indicator clamped and fixed on the detection fixing plate, the transmission precision of the sample pieces to be detected with different diameters is measured, the use of detection personnel is convenient, and certain convenience is brought to the detection personnel.
2. According to the invention, the moving motor is started to drive the displacement rotating rod to rotate, and when the displacement rotating rod rotates, the two radian rotating rods are driven to expand or contract in an arc shape between the two fixing frames and the displacement rotating rod, so that the two fixing frames are driven to relatively slide in the moving notch together, so that the test pieces to be detected with different lengths can be conveniently fixed, and the measurement of transmission precision is facilitated.
3. According to the invention, the second bidirectional screw and the third bidirectional screw are sequentially rotated, so that the two first shaft body clamping plates and the two second shaft body clamping plates are finally relatively moved under the action force of the first spring and the second spring and the limiting action of the third limiting rod and the fourth limiting rod, a sample to be detected placed on the shaft body placing frame fixed on one side of the two fixing frames is clamped and fixed, then the rotating motor is started, and the sample to be detected after clamping and fixing is driven to rotate between the two fixing frames, so that the transmission precision of the sample to be detected in the later period is measured.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a test tool for a metering and detecting instrument according to the present invention.
Fig. 2 is a front view of a test fixture for a metering and detecting instrument according to the present invention.
Fig. 3 is a schematic structural view of the stage apparatus.
Fig. 4 is a top view of the table apparatus.
Fig. 5 is a front view of the table apparatus.
Fig. 6 is a schematic structural diagram of the detection apparatus.
Fig. 7 is a front view of the detection apparatus.
Fig. 8 is a schematic structural view of the guard device.
Fig. 9 is a schematic structural view of the fixing device.
Fig. 10 is a front view of the fixture.
Fig. 11 is a top view of the fixture.
In the drawings, the components represented by the respective reference numerals are listed below:
1-workbench equipment, 2-detection equipment, 3-protective equipment, 4-fixing equipment, 101-workbench, 102-sliding support column, 103-detection sliding rod, 104-first rectangular opening, 105-servo motor, 106-L-shaped rotating rod, 107-90-degree arc-shaped rotating groove, 108-arc-shaped sliding block, 109-adjusting plate, 110-second rectangular opening, 111-first clamping column, 112-second clamping column, 113-limiting sliding groove, 201-detection fixing plate, 202-sliding hole, 203-rotating clamping piece, 204-limiting rail, 205-first bidirectional screw rod, 206-instrument clamping plate, 207-indicating gauge, 208-first limiting rod, 301-protective cover, 302-detection sliding groove, 303-perforated ear plate, 401-fixing plate, 402-fixed hole, 403-movable notch, 404-second limit rod, 405-fixed frame, 406-supporting baffle, 407-shaft body placing frame, 408-rotating motor, 409-third limit rod, 410-second bidirectional screw rod, 411-first shaft body clamping plate, 412-first spring, 413-driven rotating column, 414-fourth limit rod, 415-third bidirectional screw rod, 416-second shaft body clamping plate, 417-second spring, 418-movable motor, 419-displacement rotating rod and 420-radian rotating rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 11, the present invention is a testing tool for a metering and detecting instrument, including a workbench device 1, a detecting device 2, a protecting device 3 and a fixing device 4; the workbench equipment 1 is in sliding fit with the detection equipment 2; the fixing device 4 is in clamping fit with the workbench device 1;
the table apparatus 1 includes a table 101; two sliding supports 102 are symmetrically fixed on the top of the workbench 101; a detection slide bar 103 is fixed between the two slide supports 102 at the top of the workbench 101;
the top of the workbench 101 is provided with a first rectangular opening 104; a servo motor 105 is fixed on one inner side wall of the first rectangular opening 104; an output shaft of the servo motor 105 is fixed with an L-shaped rotating rod 106;
a 90-degree arc-shaped rotary groove 107 is fixed at the bottom of the workbench 101; a dial is arranged on the 90-degree arc-shaped rotary groove 107; an arc-shaped sliding block 108 is matched with the inner wall of the 90-degree arc-shaped rotating groove 107 in a sliding manner; an adjusting plate 109 is rotatably matched at one side of the arc-shaped slide block 108; the end part of the L-shaped rotating rod 106 is fixedly connected with the arc-shaped sliding block 108; through the calibrated scale that sets up on 90 arc rotating groove 107, observe the angle of arc slider 108 internal rotation in 90 arc rotating groove 107, the calibrated scale is the conversion scale of circumferential angle and vertical distance, can be more accurate know the distance that detection device 2 reciprocated on workstation equipment 1 to this improves the precision of detection data.
The detection device 2 comprises a detection fixing plate 201; the top of the detection fixing plate 201 is provided with a slide hole 202; a rotary clamping piece 203 is fixed on one side of the detection fixing plate 201; the slide hole 202 is in sliding fit with the detection slide bar 103; the rotating fastener 203 is in rotating fit with the adjusting plate 109; start servo motor 105, drive L shape bull stick 106 and rotate, and make arc slider 108 at 90 arc-shaped rotating groove 107 internal rotation, there is regulating plate 109 because of arc slider 108 one side normal running fit, and regulating plate 109 and rotation fastener 203 normal running fit, so when L shape bull stick 106 rotates and drives arc slider 108 at 90 arc-shaped rotating groove 107 internal rotation, can make detection fixed plate 201 reciprocate together with the instruction list 207 that the centre gripping was fixed on it, in order to realize the measurement to the transmission precision of waiting to detect the sample spare of different diameters size, make things convenient for detection personnel's use, certain convenience has been brought for it.
Preferably, the top of the workbench 101 is provided with a second rectangular opening 110; a plurality of first clamping columns 111 are fixed at the top of the workbench 101;
a second clamping column 112 is fixed on one side of the two sliding support columns 102 on the top of the workbench 101;
one side of each sliding support 102 is provided with a limit sliding chute 113;
limiting rails 204 are fixed on two opposite side surfaces of the detection fixing plate 201; the limit rail 204 is in sliding fit with the limit chute 113; through the sliding fit between spacing rail 204 and the spacing spout 113 for check out test set 2 reciprocates on workstation equipment 1, conveniently to waiting to detect the sample piece of different diameters size, carries out the measurement of transmission precision, has increased the practicality that detects.
Preferably, a first bidirectional screw 205 is rotatably fitted on the top of the detection fixing plate 201; two symmetrical instrument clamping plates 206 are rotationally matched with the peripheral side threads of the first bidirectional screw rod 205; an indicator 207 is clamped between the two instrument clamping plates 206;
a first limiting rod 208 penetrates and is fixed at the top of the detection fixing plate 201; the first limit rod 208 extends towards two sides; the two instrument clamping plates 206 are in sliding fit with the first limiting rod 208; the first two-way screw 205 is rotated, so that the two instrument clamping plates 206 relatively move on the peripheral side surface of the first two-way screw 205 under the limiting action of the first limiting rod 208, and finally the indicating gauge 207 is clamped and fixed, thereby facilitating the measurement of the transmission precision of the sample to be detected at the later stage.
Preferably, the protection device 3 comprises a protection cover 301; two opposite side surfaces of the protective cover 301 are symmetrically provided with detection sliding grooves 302; through the opening of the detection sliding groove 302, the detection fixing plate 201 can normally slide up and down between the two sliding supports 102 without being shielded by the protective cover 301.
Two lug plates 303 with holes are symmetrically fixed on two opposite side surfaces of the protective cover 301; peg graft foraminiferous otic placode 303 with second card post 112 to screw thread rotation between through external nut and second card post 112 is fixed, makes protective apparatus 3 fix on workstation equipment 1, when preventing to detect spout 302 and detecting fixed plate 201 sliding fit, the roll-off detects outside the spout 302, influences the data that the later stage detected.
Preferably, the fixing device 4 comprises a fixing plate 401; the top of the fixing plate 401 is provided with a plurality of fixing holes 402; the fixing hole 402 is clamped with the first clamping column 111; the fixing hole 402 is clamped with the first clamping column 111, and the fixing hole is rotationally fixed with the first clamping column 111 through the external nut, so that the fixing device 4 is fixed on the workbench device 1, and measurement of transmission precision of a sample piece to be detected in a later period is facilitated.
Preferably, the top of the fixing plate 401 is provided with a moving notch 403; a second limiting rod 404 is fixed on the inner wall of the moving notch 403; two symmetrical fixing frames 405 are matched with the inner wall of the moving notch 403 in a sliding way;
the top parts of the two fixing frames 405 are both fixed with a supporting baffle 406; a shaft body placing frame 407 is fixed on one side of the two fixing frames 405;
a rotating motor 408 is fixed on one side of the supporting baffle 406; the output shaft of the rotating motor 408 penetrates through the supporting baffle 406; two symmetrical third limiting rods 409 are fixed on an output shaft of the rotating motor 408; the output shaft of the rotating motor 408 is in threaded rotation fit with a second bidirectional screw 410; two first shaft clamping plates 411 are in threaded rotation fit with the peripheral side of the second bidirectional screw 410; the two first shaft clamping plates 411 are in sliding fit with the third limiting rod 409;
a first spring 412 is fixed between the first shaft clamp plate 411 and the output shaft of the rotating motor 408; the first spring 412 is sleeved on the second bidirectional screw 410;
a driven rotary column 413 is rotatably matched on the side surface of the supporting baffle 406; a fourth limiting rod 414 is symmetrically fixed on the peripheral side surface of the driven rotating column 413; a third bidirectional screw 415 is rotatably fitted to the peripheral side surface of the driven rotary column 413; two symmetrical second shaft body clamping plates 416 are rotationally matched with the peripheral side threads of the third bidirectional screw 415;
a second spring 417 is symmetrically and fixedly connected to the peripheral side surface of the driven rotating column 413; one end of the second spring 417 is fixedly connected with the second shaft body clamping plate 416; the method comprises the steps of placing a sample piece to be detected on a shaft body placing frame 407 fixed on one side of two fixing frames 405, then sequentially rotating a second bidirectional screw 410 and a third bidirectional screw 415, enabling two first shaft body clamping plates 411 and two second shaft body clamping plates 416 in threaded rotation fit on the peripheral side surfaces of the two bidirectional screw, finally enabling the two first shaft body clamping plates 411 and the two second shaft body clamping plates 416 to move relatively under the action force of a first spring 412 and a second spring 417 and under the limiting action of a third limiting rod 409 and a fourth limiting rod 414, clamping and fixing the sample piece to be detected placed on the shaft body placing frame 407 fixed on one side of the two fixing frames 405, then starting a rotating motor 408, driving the sample piece to be detected after clamping and fixing to rotate between the two fixing frames 405, and achieving later-stage measurement of the transmission precision of the sample piece to be detected.
Preferably, a moving motor 418 is fixed at the outer bottom of the fixing plate 401;
a displacement rotating rod 419 is fixed on an output shaft of the moving motor 418; the top of the displacement rotating rod 419 is rotationally matched with two symmetrical radian rotating rods 420; the radian rotating rod 420 is matched with the two fixing frames 405 in a rotating way; the moving motor 418 is started to drive the displacement rotating rod 419 to rotate, when the displacement rotating rod 419 rotates, the two radian rotating rods 420 which are in running fit with the two fixing frames 405 respectively run fit with each other, so that when the displacement rotating rod 419 rotates, the two radian rotating rods 420 can be driven to expand or contract in the shape of a circular arc, the two fixing frames 405 are driven to slide relatively in the moving notch 403 together, the sample pieces to be detected with different lengths can be conveniently fixed, and the transmission precision is convenient to measure.
One specific application of this embodiment is:
a sample to be detected is placed on a shaft body placing frame 407 fixed on one side of two fixing frames 405, then a moving motor 418 is started to drive a displacement rotating rod 419 to rotate, when the displacement rotating rod 419 rotates, because two arc rotating rods 420 which are in rotating fit with the two fixing frames 405 respectively rotate, when the displacement rotating rod 419 rotates, the two arc rotating rods 420 are driven to expand or contract in an arc shape, so as to drive the two fixing frames 405 to relatively slide in a moving notch 403 together, then a second bidirectional screw 410 and a third bidirectional screw 415 are sequentially rotated, so that two first shaft body clamping plates 411 and two second shaft body clamping plates 416 which are in rotating fit with the threads on the peripheral side surface are finally driven to relatively move by the action force of a first spring 412 and a second spring 417 and the limiting action of a third limiting rod 409 and a fourth limiting rod 414, the test sample pieces to be detected placed on a shaft body placing frame 407 fixed on one side of two fixing frames 405 are clamped and fixed, then a rotating motor 408 is started to drive the clamped and fixed test sample pieces to be detected to rotate between the two fixing frames 405 to realize the later measurement of the transmission precision of the test sample pieces to be detected, the test sample pieces to be detected with different lengths are conveniently fixed, finally a servo motor 105 is started to drive an L-shaped rotating rod 106 to rotate, and an arc-shaped sliding block 108 rotates in a 90-degree arc-shaped rotating groove 107, because an adjusting plate 109 is rotatably matched on one side of the arc-shaped sliding block 108 and the adjusting plate 109 is rotatably matched with a rotating clamping piece 203, when the L-shaped rotating rod 106 rotates to drive the arc-shaped sliding block 108 to rotate in the 90-degree arc-shaped rotating groove 107, the detection fixing plate 201 and an indicator 207 clamped and fixed on the detection fixing plate can move up and down together to realize the measurement of the transmission precision of the test sample pieces to be detected with different diameters, the use of the detection personnel is convenient, and certain convenience is brought to the detection personnel.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A test tool for a metering and detecting instrument comprises a workbench device (1), a detecting device (2), a protective device (3) and a fixing device (4); the workbench equipment (1) is in sliding fit with the detection equipment (2); the fixing equipment (4) is matched with the workbench equipment (1) in a clamping manner;
the method is characterized in that:
the workbench device (1) comprises a workbench (101); two sliding support columns (102) are symmetrically fixed at the top of the workbench (101); a detection sliding rod (103) is fixed between the two sliding supports (102) at the top of the workbench (101);
the top of the workbench (101) is provided with a first rectangular opening (104); a servo motor (105) is fixed on one inner side wall of the first rectangular opening (104); an L-shaped rotating rod (106) is fixed on an output shaft of the servo motor (105);
a 90-degree arc-shaped rotary groove (107) is fixed at the bottom of the workbench (101); a dial is arranged on the 90-degree arc-shaped rotary groove (107); the inner wall of the 90-degree arc-shaped rotary groove (107) is in sliding fit with an arc-shaped sliding block (108); an adjusting plate (109) is rotatably matched at one side of the arc-shaped sliding block (108); the end part of the L-shaped rotating rod (106) is fixedly connected with the arc-shaped sliding block (108);
the top of the workbench (101) is provided with a second rectangular opening (110); a plurality of first clamping columns (111) are fixed at the top of the workbench (101);
a second clamping column (112) is fixed at one side of the two sliding support columns (102) at the top of the workbench (101);
one side of each of the two sliding supports (102) is provided with a limiting sliding chute (113);
the detection device (2) comprises a detection fixing plate (201); the top of the detection fixing plate (201) is provided with a sliding hole (202); a rotary clamping piece (203) is fixed on one side of the detection fixing plate (201); the slide hole (202) is in sliding fit with the detection slide rod (103); the rotating clamping piece (203) is in rotating fit with the adjusting plate (109);
limiting rails (204) are fixed on two opposite side surfaces of the detection fixing plate (201); the limiting rail (204) is in sliding fit with the limiting sliding groove (113);
the fixing device (4) comprises a fixing plate (401); the top of the fixing plate (401) is provided with a plurality of fixing holes (402); the fixing hole (402) is clamped with the first clamping column (111);
the top of the fixing plate (401) is provided with a moving notch (403); a second limiting rod (404) is fixed on the inner wall of the moving notch (403); the inner wall of the moving notch (403) is in sliding fit with two symmetrical fixing frames (405);
supporting baffles (406) are fixed at the tops of the two fixing frames (405); a shaft body placing rack (407) is fixed on one side of each of the two fixing racks (405);
a rotating motor (408) is fixed on one side of the supporting baffle (406); an output shaft of the rotating motor (408) penetrates through the supporting baffle (406); two third limiting rods (409) which are symmetrical are fixed on an output shaft of the rotating motor (408); the output shaft of the rotating motor (408) is in threaded rotation fit with a second bidirectional screw (410); two first shaft clamping plates (411) are in threaded rotation fit with the peripheral side surface of the second bidirectional screw (410); the two first shaft clamping plates (411) are in sliding fit with a third limiting rod (409);
a first spring (412) is fixed between the first shaft body clamping plate (411) and an output shaft of the rotating motor (408); the first spring (412) is sleeved on the second bidirectional screw (410)
A moving motor (418) is fixed at the outer bottom of the fixing plate (401);
a displacement rotating rod (419) is fixed on an output shaft of the moving motor (418); the top of the displacement rotating rod (419) is rotationally matched with two symmetrical radian rotating rods (420); the radian rotating rod (420) is in rotating fit with the two fixing frames (405).
2. The testing tool for the metering and detecting instrument according to claim 1, wherein a first bidirectional screw (205) is rotatably matched with the top of the detection fixing plate (201); two symmetrical instrument clamping plates (206) are rotationally matched with the peripheral side threads of the first bidirectional screw (205); an indicator (207) is clamped between the two instrument clamping plates (206);
a first limiting rod (208) penetrates through and is fixed at the top of the detection fixing plate (201); the first limiting rod (208) extends towards two sides; the two instrument clamping plates (206) are in sliding fit with the first limiting rod (208).
3. The measurement and detection instrument test tool according to claim 1, wherein the protection device (3) comprises a protection cover (301); two opposite side surfaces of the protective cover (301) are symmetrically provided with detection sliding grooves (302);
two ear plates (303) with holes are symmetrically fixed on two opposite side surfaces of the protective cover (301).
4. The testing tool for the metering and detecting instrument as recited in claim 1, characterized in that a driven rotary column (413) is rotatably fitted on the side surface of the supporting baffle (406); a fourth limiting rod (414) is symmetrically fixed on the peripheral side surface of the driven rotating column (413); a third bidirectional screw (415) is rotationally matched with the peripheral side surface of the driven rotary column (413); two symmetrical second shaft clamping plates (416) are rotationally matched with the peripheral side surface of the third bidirectional screw (415) through threads;
a second spring (417) is symmetrically and fixedly connected to the peripheral side surface of the driven rotating column (413); one end of the second spring (417) is fixedly connected with the second shaft body clamping plate (416).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210571601.2A CN114659783B (en) | 2022-05-25 | 2022-05-25 | Measurement is test fixture for instrumentation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210571601.2A CN114659783B (en) | 2022-05-25 | 2022-05-25 | Measurement is test fixture for instrumentation |
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| CN114659783A CN114659783A (en) | 2022-06-24 |
| CN114659783B true CN114659783B (en) | 2022-09-16 |
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