CN210862605U

CN210862605U - Protection mechanism of calibrator detection end

Info

Publication number: CN210862605U
Application number: CN201921890709.8U
Authority: CN
Inventors: 王实
Original assignee: Maanshan Ruitai Technology Co ltd
Current assignee: Maanshan Ruitai Technology Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-26
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a protection machanism of calibrator sense terminal relates to calibrator technical field. This protection machanism of calibrator sense terminal, including the installation end, the bottom of installation end is provided with the sense terminal, the detection orientation of sense terminal is downward, bolt fixedly connected with sleeve pipe is passed through on the surface of installation end, sheathed tube both sides all have the measuring stick through spring hinge swing joint, there is the metal pole through pivot swing joint on the measuring stick, there is the bottom plate bottom the bottom of metal pole through pivot swing joint. This protection machanism of calibrator sense terminal through the improvement of measuring stick and bottom plate, uses adjustable bottom plate and telescopic measuring stick to measure pressure and protect the sense terminal simultaneously, and the real time monitoring sense terminal atress condition in the testing process that can be fine to guaranteed the precision that detects, made things convenient for user's use when improving work efficiency.

Description

Protection mechanism of calibrator detection end

Technical Field

The utility model relates to a calibrator technical field specifically is a protection machanism of calibrator sense terminal.

Background

Thickness gauges (thickness gauges) are used for measuring the thickness of materials and objects, and are commonly used in industrial production to measure the thickness of products (such as steel plates, steel strips, films, paper, metal foils and other materials) continuously or in samples, such as radioactive thickness gauges using the penetrating characteristics of α rays, β rays and gamma rays, ultrasonic thickness gauges using ultrasonic frequency variation, eddy current thickness gauges using the eddy current principle, thickness gauges using the mechanical contact measurement principle and the like.

In prior art, only lean on simple frame construction to protect the test end of calibrator, be difficult to the fine real time monitoring test end in the atress condition of testing process, the effort that the test end received the determinand when detecting is great, then can lead to the test end excessively to extrude the determinand to make the testing result error great, reduce the use that gives the user when work efficiency and bring inconvenience.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a protection machanism of calibrator sense terminal has solved in prior art, only leans on simple frame construction to protect the operation to the sense terminal of calibrator, is difficult to the fine real time monitoring sense terminal stress condition in the testing process, and the sense terminal receives the effort of determinand when detecting great, then can lead to the sense terminal excessively to extrude the determinand to make the great problem of testing result error.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a protection machanism of calibrator sense terminal, includes the installation end, the bottom of installation end is provided with the sense terminal, the detection orientation of sense terminal is downward, bolt fixedly connected with sleeve pipe is passed through on the surface of installation end, sheathed tube both sides all have the measuring stick through spring hinge swing joint, there is the metal pole through pivot swing joint on the measuring stick, there is the bottom plate bottom the bottom of metal pole through pivot swing joint.

The utility model discloses a displacement measuring device, including the measuring stick, the measuring stick includes the body of rod, spring hinge and sleeve pipe swing joint are passed through on the top of the body of rod, the dead slot has been seted up on the body of rod, is provided with the displacement piece in the dead slot, the one end swing joint of displacement piece through pivot and metal pole, it is provided with the guide bar to run through on the displacement piece, the both ends of guide bar all with the inner wall fixed connection of dead slot, the top cover that the surface of guide bar just is located the displacement piece is equipped with reset spring, and the left side of dead slot inner chamber is provided with measuring resistance, the left side of displacement piece is provided with the brush, brush and measuring resistance's surface contact.

The bottom plate includes two baffles, the bottom swing joint of baffle through pivot and metal pole, it has laser range sensor to inlay on the baffle, laser range sensor's detection orientation is the same with the detection orientation of sense terminal, the holding tank has all been seted up to the top and the bottom of baffle, it has adjusting nut to inlay on the holding tank, and threaded connection has adjusting screw between two adjusting nut that are located on same horizontal plane.

Preferably, the right side of the displacement block is movably connected with a displacement wheel through a rotating shaft, and the displacement wheel is in contact with the inner wall of the empty groove.

Preferably, the baffle is made of the following materials: the copper plate is used as a central layer, and a rubber layer with the thickness of one centimeter is coated outside the copper plate.

Preferably, a limiting ring is arranged in the accommodating groove and sleeved on the surface of the adjusting screw rod.

Preferably, one side that two baffles are relative all is provided with the recess that sets up with the sense terminal cooperation, and the edge of recess is provided with protective rubber.

(III) advantageous effects

The utility model provides a protection machanism of calibrator sense terminal. The method has the following beneficial effects: this protection machanism of calibrator sense terminal through the improvement of measuring stick and bottom plate, uses adjustable bottom plate and telescopic measuring stick to measure pressure and protect the sense terminal simultaneously, and the real time monitoring sense terminal atress condition in the testing process that can be fine to guaranteed the precision that detects, made things convenient for user's use when improving work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the measuring rod of the present invention;

fig. 3 is a schematic structural diagram of the bottom plate of the present invention.

In the figure: 1. an installation end; 2. a detection end; 3. a sleeve; 4. a measuring rod; 41. measuring the resistance; 42. A return spring; 43. an electric brush; 44. a guide bar; 45. a rod body; 46. a displacement wheel; 47. a displacement block; 5. a metal rod; 6. a base plate; 61. adjusting the screw rod; 62. adjusting the nut; 63. a limiting ring; 64. accommodating grooves; 65. protective rubber; 66. a baffle plate; 67. laser rangefinder sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a protection machanism of calibrator sense terminal, includes installation end 1, and the bottom of installation end 1 is provided with sense terminal 2, and sense terminal 2's detection orientation is downward, and bolt fixedly connected with sleeve pipe 3 is passed through on the surface of installation end 1, and all there is measuring stick 4 through spring hinge swing joint in sleeve pipe 3's both sides, has metal pole 5 through pivot swing joint on measuring stick 4, and there is bottom plate 6 bottom metal pole 5 through pivot swing joint.

Measuring stick 4 includes the body of rod 45, spring hinge and sleeve pipe 3 swing joint are passed through on the top of the body of rod 45, the dead slot has been seted up on the body of rod 45, be provided with displacement block 47 in the dead slot, there is displacement wheel 46 on displacement block 47's right side through pivot swing joint, and the inner wall contact of displacement wheel 46 and dead slot, displacement wheel 46 is used for restricting displacement block 47's displacement range, displacement block 47 is through the one end swing joint of pivot with metal pole 5, it is provided with guide bar 44 to run through on the displacement block 47, the both ends of guide bar 44 all are connected with the inner wall fixed connection of dead slot, the surface of guide bar 44 just is located displacement block 47's top cover and is equipped with reset spring 42, the left side of dead slot inner chamber is provided with measuring resistor 41, the left side of displacement block 47 is provided with brush 43, brush 43 and measuring resistor 41's surface contact.

Bottom plate 6 includes two baffles 66, and one side that two baffles 66 are relative all is provided with the recess that sets up with the cooperation of sense terminal 2, and the edge of recess is provided with protective rubber 65, and the material of baffle 66 is: use the copper as the centre layer, outside parcel one deck thickness is a centimetre rubber layer, baffle 66 is through the bottom swing joint of pivot and metal pole 5, it has laser range finding sensor 67 to inlay on the baffle 66, laser range finding sensor 67's detection orientation is the same with the detection orientation of sense terminal 2, holding tank 64 has all been seted up to the top and the bottom of baffle 66, be provided with spacing ring 63 in the holding tank 64, and adjusting screw 61's surface is located to spacing ring 63 cover, spacing ring 63 is used for restricting adjusting screw 61 for the position of holding tank 64, it has adjusting nut 62 to inlay on the holding tank 64, and threaded connection has adjusting screw 61 between two adjusting nut 62 that are located same horizontal plane.

During installation, the installation end 1 is fixed on a displacement mechanism of the thickness gauge, meanwhile, the plane where the bottom plate 6 is located is parallel to the horizontal plane, the measuring resistor 41 is connected in series in a circuit of the control terminal, the control terminal is enabled to monitor the effective resistance value of the measuring resistor 41 in real time, an alarm resistance value is set at the control terminal (when the effective resistance value of the measuring resistor 41 reaches the alarm resistance value, the control terminal can give an alarm and stop the descending operation of the displacement mechanism), and meanwhile, the output end of the laser ranging sensor 67 is electrically connected with the control terminal.

Before use, the distance between the two baffles 66 is changed by rotating the adjusting screw 61 relative to the adjusting nut 62, and the inclination angles of the metal rod 5 and the measuring rod 4 are changed, so that the pressure applied to the device when the effective resistance value of the measuring resistor 41 reaches the alarm resistance value is changed.

When the device is used, the mounting end 1 is descended through the displacement mechanism, the bottom plate 6 contacts with an object to be measured and extrudes the metal rod 5 and the measuring rod 4 under the action of the object to be measured, the inclination angles of the metal rod 5 and the measuring rod 4 are changed, the displacement block 47 moves relative to the rod body 45, the electric brush 43 moves relative to the measuring resistor 41, the effective resistance value of the measuring resistor 41 is changed, when the effective resistance value of the measuring resistor 41 reaches an alarm resistance value, the control terminal sends an alarm and stops the descending operation of the displacement mechanism, meanwhile, the laser ranging sensor 67 monitors the distance of the bottom plate 6 relative to the object to be measured in real time (when the distance of the bottom plate 6 relative to the object to be measured is far, the displacement mechanism can be controlled in a fast descending mode, when the distance of the bottom plate 6 relative to the object to be measured is short, in order to ensure the measuring, the lowering speed of the displacement mechanism needs to be reduced).

To sum up, this protection machanism of calibrator sense terminal through the improvement of measuring stick 4 and bottom plate 6, uses adjustable bottom plate 6 and telescopic measuring stick 4 to measure pressure and protect sense terminal 2 simultaneously, and real time monitoring sense terminal 2 that can be fine is in the atress condition of testing process to guarantee the precision of detection, made things convenient for user's use when improving work efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protection machanism of calibrator sense terminal, includes installation end (1), the bottom of installation end (1) is provided with sense terminal (2), the detection orientation of sense terminal (2) is downward, its characterized in that: the surface of the mounting end (1) is fixedly connected with a sleeve (3) through a bolt, two sides of the sleeve (3) are movably connected with a measuring rod (4) through a spring hinge, the measuring rod (4) is movably connected with a metal rod (5) through a rotating shaft, and the bottom end of the metal rod (5) is movably connected with a bottom plate (6) through the rotating shaft;

the measuring rod (4) comprises a rod body (45), the top end of the rod body (45) is movably connected with the sleeve (3) through a spring hinge, a hollow groove is formed in the rod body (45), a displacement block (47) is arranged in the hollow groove, the displacement block (47) is movably connected with one end of the metal rod (5) through a rotating shaft, a guide rod (44) penetrates through the displacement block (47), two ends of the guide rod (44) are fixedly connected with the inner wall of the hollow groove, a reset spring (42) is sleeved on the surface of the guide rod (44) and positioned at the top of the displacement block (47), a measuring resistor (41) is arranged on the left side of the inner cavity of the hollow groove, an electric brush (43) is arranged on the left side of the displacement block (47), the electric brush (43) is in contact with the surface of the measuring resistor (41), and the electric brush (43) is connected in series in a circuit of the measuring;

bottom plate (6) include two baffles (66), baffle (66) are through the bottom swing joint of pivot with metal pole (5), it has laser range finding sensor (67) to inlay on baffle (66), the detection orientation of laser range finding sensor (67) is the same with the detection orientation of sense terminal (2), holding tank (64) have all been seted up to the top and the bottom of baffle (66), it has adjusting nut (62) to inlay on holding tank (64), and threaded connection has adjusting screw (61) between two adjusting nut (62) that are located on the same horizontal plane.

2. The protection mechanism for the detection end of the thickness gauge according to claim 1, wherein: the right side of the displacement block (47) is movably connected with a displacement wheel (46) through a rotating shaft, and the displacement wheel (46) is in contact with the inner wall of the empty groove.

3. The protection mechanism for the detection end of the thickness gauge according to claim 1, wherein: the baffle (66) is made of the following materials: the copper plate is used as a central layer, and a rubber layer with the thickness of one centimeter is coated outside the copper plate.

4. The protection mechanism for the detection end of the thickness gauge according to claim 1, wherein: a limiting ring (63) is arranged in the accommodating groove (64), and the surface of the adjusting screw rod (61) is sleeved with the limiting ring (63).

5. The protection mechanism for the detection end of the thickness gauge according to claim 1, wherein: one side that two baffles (66) are relative all is provided with the recess that sets up with test end (2) cooperation, and the edge of recess is provided with protective rubber (65).