CN212747670U

CN212747670U - Portable magneto-resistance method thickness gauge

Info

Publication number: CN212747670U
Application number: CN202022094973.XU
Authority: CN
Inventors: 宋增坚; 蒋燕承
Original assignee: Shanghai Hyatt Construction Consulting And Supervision Co ltd
Current assignee: Shanghai Hyatt Construction Consulting And Supervision Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-03-19
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a portable magnetic resistance method calibrator belongs to the measuring instrument field, and it includes the calibrator body, is provided with the gauge head on the calibrator body, and the probe is provided with the buffering subassembly outward, and the buffering subassembly includes link, spring, and horizontal sliding connection of gauge head is in the link, and the spring sets up between link and calibrator body, and the spring level sets up, and the spring is located the calibrator body and keeps away from gauge head one side, and link tip fixedly connected with sucking disc, the sucking disc is located the calibrator body and keeps away from spring one side. The application has the effect of reducing the damage of the surface of the object to be measured.

Description

Portable magneto-resistance method thickness gauge

Technical Field

The application relates to the field of measuring instruments, in particular to a portable magneto-resistance thickness gauge.

Background

The thickness meter is a portable measuring instrument powered by battery and can quickly and nondestructively measure the thickness of the non-magnetic covering layer on the surface of the magnetic material. For example: copper, zinc, cadmium and chromium coatings, paint layers and the like on iron and steel.

The surface engineering technology is widely applied, the performance of a surface needs to be monitored and measured, the thickness of a coating and a plating layer is an important parameter, the performances of wear resistance, corrosion resistance and the like of the surface can be indirectly reflected by measuring the thickness of the coating and the plating layer, and when the thickness of the coating or the plating layer is measured, a magneto-resistance method thickness gauge is usually used, a measuring head of the magneto-resistance method thickness gauge is abutted against the coating or the plating layer, and the thickness of the coating or the plating layer is measured. Therefore, the thickness of the coating and plating is often used as an initial test index for evaluating surface properties.

In view of the above-mentioned related technologies, the inventor believes that most of the coating or plating is soft, and when the thickness of the coating or plating is measured, the surface to be measured may be damaged due to the high hardness of the probe.

SUMMERY OF THE UTILITY MODEL

In order to reduce the damage of the surface of an object to be measured, the application provides a portable magneto-resistance method thickness gauge.

The application provides a portable magnetic resistance method calibrator adopts following technical scheme:

the utility model provides a portable magnetic resistance method calibrator, including the calibrator body, be provided with the gauge head on the calibrator body, the calibrator body is provided with the buffering subassembly outward, the buffering subassembly includes link, spring, the gauge head is along self axis direction sliding connection in link, the spring sets up between link and calibrator body, the spring sets up along being on a parallel with gauge head axis direction, and the spring is located the calibrator body and keeps away from gauge head one side, link tip fixedly connected with sucking disc, the sucking disc is located the calibrator body and keeps away from spring one side.

Through adopting above-mentioned technical scheme, when measuring, it is close to the object that awaits measuring to remove the link, adsorb on the object that awaits measuring to the magnetic disk, inhale tightly with the object that awaits measuring along with sucking disc subassembly, the gauge head gradually with the object surface butt that awaits measuring, the gauge head is at removal in-process and the object surface butt that awaits measuring, the gauge head collides with the object that awaits measuring when with the object contact that awaits measuring, the gauge head can receive the reaction force of the object that awaits measuring, this reaction force acts on the spring through the calibrator body, the spring is compressed, the reaction force turns into the elastic potential energy of spring, alleviate the atress of some object that awaits measuring, the calibrator body removes to keeping away from the object that awaits measuring simultaneously, avoid gauge head and the object butt that awaits measuring to be too tight, reduce the effort that the gauge head acted.

Optionally, the spring is kept away from calibrator body one end fixedly connected with universal ball, and universal ball is the spheroid, has seted up the storage tank on the link, and universal ball is located the storage tank, storage tank and universal ball adaptation.

Through adopting above-mentioned technical scheme, if determinand surface unevenness, then the gauge head can not the complete contact determinand surface, gauge head part and determinand butt, make calibrator body atress out of perpendicular to determinand surface, thereby the power that acts on the spring is the vertical state also not, universal ball centre of sphere is not crossed to the power that universal ball received, make universal ball at the storage tank internal rotation, universal ball rotates and drives the spring rotation, the spring drives calibrator body and rotates, make gauge head and determinand surface vertical, thereby guarantee that the gauge head can contact the determinand more completely, make the vortex that the determinand produced in can more getting into the gauge head, be favorable to improving measuring accuracy.

Optionally, one end of the thickness gauge body, which is far away from the measuring head, is fixedly connected with a guide rod, the guide rod is connected to the universal ball in a sliding manner, and the sliding direction of the guide rod is parallel to the axis of the measuring head.

By adopting the technical scheme, if the surface of the object to be measured is uneven, the universal ball receives no more force than the ball center of the universal ball, so that the universal ball rotates in the accommodating groove, the universal ball drives the thickness gauge body to rotate through the guide rod, the guide rod enables the thickness gauge body and the universal ball to keep consistent in rotation, the probability of relative motion between the thickness gauge body and the universal ball is reduced, and therefore the measuring head and the surface of the object to be measured are easily adjusted to be in a vertical state, and the measuring accuracy is improved; meanwhile, the guide rod can limit the spring to be bent, the thickness gauge body is limited to move in the direction perpendicular to the axis of the measuring head, the thickness gauge body is guaranteed to move along the axis of the measuring head, the abutting state of the measuring head and the surface of an object to be measured is guaranteed, and the normal operation of measurement is guaranteed.

Optionally, a guide ring is fixedly connected outside the measuring head, the guide ring is sleeved outside the measuring head, the guide ring is a circular ring, and the end face of the guide ring, which is far away from the thickness gauge body, is coplanar with the end face of the measuring head.

By adopting the technical scheme, the contact area between the probe and the surface of the object to be measured can be increased by arranging the guide ring, so that the pressure on the surface of the object to be measured is reduced, and the probability of damaging the surface of the object to be measured is favorably reduced; in addition, when the determinand surface is not level, the guide ring increases the area of contact on gauge head and determinand surface, rotates at universal ball and drives thickness gauge body pivoted in-process, and the rotation that the guide ring can guide the gauge head increases the depth of parallelism on gauge head and determinand surface, guarantees that the gauge head can contact the determinand more completely for the vortex that the determinand produced can get into the gauge head more completely, is favorable to improving measuring accuracy.

Optionally, the circumferential surface of the guide ring is arc-shaped.

Through adopting above-mentioned technical scheme, when the determinand surface unevenness, when the guide ring rotated under the drive effect of universal ball, the circumference face of guide ring can with the object surface contact and relative movement that awaits measuring, the circumference of guide ring personally submits convex, can reduce the guide ring and the corner of guide ring side to the destructive effect on determinand surface to reduce the probability that determinand surface is damaged.

Optionally, the guide ring circumferential surface is provided with a buffer layer.

Through adopting above-mentioned technical scheme, when the determinand surface unevenness, when the guide ring rotated under the drive effect of universal ball, the circumference face of guide ring can with the determinand surface contact and relative movement, the effort that the guide ring acted on the determinand surface can be alleviated in the setting of buffer layer, reduces the damage of guide ring to the determinand surface to reduce the impaired probability in determinand surface.

Optionally, the connecting frame is horizontally connected with a sliding block in a sliding manner, the sliding block is located on one side, away from the thickness gauge body, of the spring, and the accommodating groove is formed in the sliding block.

Through adopting above-mentioned technical scheme, when measuring, adsorb the link on the determinand surface, then promote the slider to remove to the direction that is close to the determinand, the slider removes drive spring and calibrator body and removes, make the gauge head gradually with determinand surface butt, the gauge head gradually with the in-process of determinand butt, the spring is also compressed gradually, play the cushioning effect to the calibrator body gradually, reduce the destructive action of gauge head to the determinand surface, reduce the impaired probability in determinand surface, progressively support tightly with the determinand along with the gauge head, the pressure that the spring received also progressively increases, the effort that the paralysis acts on the slider is also bigger, make the slider to be close to the process that the determinand direction removed is obstructed, reduce gauge head and the over-tight probability of determinand surface butt, thereby reduce the impaired probability in determinand surface.

Optionally, one side of the sliding block, which is far away from the spring, is fixedly connected with a push rod, and the push rod is in threaded connection with the connecting frame.

Through adopting above-mentioned technical scheme, be connected the back with the link and the determinand, rotate the push rod, the push rod promotes the slider and slides, the slider drives the calibrator body and removes, realize the butt on gauge head and determinand surface, push rod and link threaded connection simultaneously for the push rod is difficult to take place the relative slip with the link, thereby make the slider difficult to take place the relative slip with the link, and then guarantee the stability of calibrator body and determinand surface butt, be favorable to the normal line of measurement work to go on.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the buffer assembly, the collision effect between the measuring head and the surface of the object to be measured when the measuring head is abutted to the surface of the object to be measured is relieved, and the damage to the surface of the object to be measured is reduced;

2. by arranging the universal ball, when an object to be measured with an uneven surface is measured, the measuring head can be automatically adjusted according to the extension trend of the surface of the object to be measured, the completeness of the contact between the measuring head and the surface of the object to be measured is ensured, and the measurement precision is improved;

3. through setting up the slider for gauge head and the gradual butt of determinand surface are favorable to reducing the damage of gauge head to the determinand surface.

Drawings

FIG. 1 is a schematic view of the entire structure of the present embodiment;

FIG. 2 is a cross-sectional view of the present embodiment taken along a parallel stylus axis;

fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a thickness gauge body; 11. a measuring head; 111. a guide ring; 1111. a buffer layer; 12. a guide rod; 2. a buffer assembly; 21. a connecting frame; 211. a slider; 2111. a containing groove; 2112. a universal ball; 212. a chute; 213. a suction cup; 214. a push rod; 22. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a portable magneto-resistance method thickness gauge. Referring to fig. 1, a portable magnetic resistance method thickness gauge includes thickness gauge body 1, is provided with gauge head 11 on the thickness gauge body 1, and thickness gauge body 1 is provided with the buffering subassembly 2 of alleviating the impact force between gauge head 11 and the object surface that awaits measuring outward, reduces the damage to the object surface that awaits measuring.

Referring to fig. 1 and 2, the buffer assembly 2 includes a connecting frame 21, a spring 22, the connecting frame 21 is disposed in a direction parallel to the thickness gauge body 1, the spring 22 is disposed between the thickness gauge body 1 and the connecting frame 21, the spring 22 is disposed in an axial direction of the measuring head 11, the spring 22 is located on a side of the thickness gauge body 1 away from the measuring head 11, one end of the spring 22 away from the measuring head 11 is fixedly connected with a slider 211, the slider 211 is slidably connected to the connecting frame 21, the sliding direction of the slider 211 is parallel to the axial direction of the measuring head 11, a sliding slot 212 is disposed on the connecting frame 21, the slider 211 is disposed in the sliding slot 212, one side of the slider 211 away from the spring 22 is rotatably connected with a push rod 214, the rotational axis of the push rod 214 is parallel to the axial direction of the measuring head 11, the push rod 214 is threadedly connected to the connecting frame 21, an external thread is disposed, the suction cup 213 is located on the side of the thickness gauge body 1 away from the spring 22.

Referring to fig. 1 and 2, when measuring, select suitable position to adsorb sucking disc 213 on the determinand surface, rotate push rod 214, push rod 214 promotes slider 211 and removes to being close to the determinand direction, slider 211 drives and drives spring 22 and calibrator body 1 and removes, make measuring head 11 and determinand surface progressively butt, measuring head 11 gradually with the in-process of determinand butt, spring 22 is compressed gradually, play the cushioning effect to the collision of calibrator body 1 to the determinand surface gradually, reduce the destruction of measuring head 11 to the determinand surface, thereby reduce the impaired probability in determinand surface.

Referring to fig. 2 and 3, one end of the spring 22, which is far away from the thickness gauge body 1, is fixedly connected with a universal ball 2112, the universal ball 2112 is spherical, the universal ball 2112 is rotatably connected to the slide block 211, the slide block 211 is provided with a containing groove 2111, the containing groove 2111 extends from the side surface, which is close to the spring 22, of the slide block 211, the universal ball 2112 is placed in the containing groove 2111, the containing groove 2111 is adapted to the universal ball 2112, one side, which is far away from the measuring head 11, of the thickness gauge body 1 is fixedly connected with a guide rod 12, the guide rod 12 is inserted into the spring 22, the guide rod 12 is slidably connected to the universal ball 2112, the sliding direction of the guide rod 12 is parallel to; 11 outer fixedly connected with guide ring 111 of gauge head, guide ring 111 cover is established outside gauge head 11, and guide ring 111 is the ring, and guide ring 111 keeps away from 1 one end of calibrator body and 11 terminal surfaces coplanaries of gauge head, and the circumference of guide ring 111 is personally submitted circularly, and bonds on the 111 circumference of guide ring and has buffer layer 1111, and buffer layer 1111 is the rubber material.

Referring to fig. 2 and 3, if the surface of the object is uneven, the probe 11 cannot completely contact the surface of the object, which affects the measurement accuracy, part of the measuring head 11 is abutted against the surface of the object to be measured, so that the force part of the object to be measured acting on the thickness gauge body 1 is vertical to the surface of the object to be measured, the universal ball 2112 does not receive a force along the diameter of the universal ball 2112, so that the universal ball 2112 rotates in the accommodating groove 2111, the universal ball 2112 rotates through the guide rod 12 and the thickness gauge body 1, the thickness gauge body 1 drives the guide ring 111 to rotate, the guide ring 111 gradually rotates along the surface of the object to be measured until the surface of the object to be measured is parallel, the guide ring 111 guides the measuring head 11 to be gradually parallel to the surface of the object to be measured, the contact between the measuring head 11 and the surface of the object to be measured is more complete, which is beneficial to improving the measuring precision, meanwhile, the circumferential surface of the guide ring 111 is arc-shaped and the buffer layer 1111 on the circumferential surface of the guide ring 111 is beneficial to reducing the damage to the surface of the object to be measured in the rotation process of the guide ring 111; in addition, the guide ring 111 increases the contact area between the measuring head 11 and the surface of the object to be measured, and reduces the pressure of the thickness gauge body 1 acting on the surface of the object to be measured, thereby reducing the probability of damage to the surface of the object to be measured.

The implementation principle of the portable magneto-resistance thickness gauge in the embodiment of the application is as follows: before use, the thickness gauge body 1 and the buffer assembly 2 are in a separated state, so that the thickness gauge is convenient to store; when measurement is carried out, the thickness gauge body 1 is moved, the guide rod 12 is inserted into the universal ball 2112, connection of the thickness gauge body 1 and the buffer assembly 2 is completed, then a proper position is selected according to a point position to be measured, the sucking disc 213 is fixed on the surface of an object to be measured, the push rod 214 is rotated, the push rod 214 drives the sliding block 211 to move towards the surface close to the object to be measured, the measuring head 11 is enabled to be gradually abutted against the surface of the object to be measured, in the process that the measuring head 11 is gradually abutted against the object to be measured, the spring 22 is gradually compressed, the buffer effect is gradually achieved on collision of the thickness gauge body 1 on the surface of the object to be measured, damage of the measuring head 11 on the surface of the object to be; if the surface of the object to be measured is uneven, the universal ball 2112 rotates in the containing groove 2111, and the universal ball 2112 drives the thickness gauge body 1 to rotate through the guide rod 12, so that the contact between the measuring head 11 and the surface of the object to be measured is more complete, and the measurement accuracy is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a portable magnetic resistance method calibrator which characterized in that: including calibrator body (1), be provided with gauge head (11) on calibrator body (1), be provided with buffer unit (2) outside calibrator body (1), buffer unit (2) are including link (21), spring (22), gauge head (11) are along self axis direction sliding connection in link (21), spring (22) set up between link (21) and calibrator body (1), spring (22) set up along being on a parallel with gauge head (11) axis direction, and spring (22) are located calibrator body (1) and keep away from gauge head (11) one side, link (21) tip fixedly connected with sucking disc (213), sucking disc (213) are located calibrator body (1) and keep away from spring (22) one side.

2. The portable magneto-resistance method thickness gauge according to claim 1, characterized in that: spring (22) are kept away from calibrator body (1) one end fixedly connected with universal ball (2112), and universal ball (2112) are globular, have seted up storage tank (2111) on link (21), and universal ball (2112) are located storage tank (2111), storage tank (2111) and universal ball (2112) adaptation.

3. The portable magneto-resistance method thickness gauge according to claim 2, characterized in that: one end of the thickness gauge body (1) far away from the measuring head (11) is fixedly connected with a guide rod (12), the guide rod (12) is connected to the universal ball (2112) in a sliding mode, and the sliding direction of the guide rod (12) is parallel to the axis of the measuring head (11).

4. The portable magneto-resistance method thickness gauge according to claim 1, characterized in that: the thickness gauge is characterized in that a guide ring (111) is fixedly connected to the outside of the measuring head (11), the guide ring (111) is sleeved outside the measuring head (11), the guide ring (111) is a circular ring, and the end face, far away from the thickness gauge body (1), of the guide ring (111) is coplanar with the end face of the measuring head (11).

5. The portable magneto-resistance method thickness gauge according to claim 4, wherein: the circumferential surface of the guide ring (111) is arc-shaped.

6. The portable magneto-resistance method thickness gauge according to claim 4, wherein: the guide ring (111) is provided with a buffer layer (1111) on the circumferential surface.

7. The portable magneto-resistance method thickness gauge according to claim 2, characterized in that: sliding connection has slider (211) on link (21), and slider (211) slip direction is on a parallel with gauge head (11) axis direction, and slider (211) are located spring (22) and keep away from calibrator body (1) one side, and storage tank (2111) is seted up on slider (211).

8. The portable magneto-resistance method thickness gauge according to claim 7, characterized in that: one side, far away from the spring (22), of the sliding block (211) is rotatably connected with a push rod (214), the rotating axis of the push rod (214) is parallel to the axis of the measuring head (11), and the push rod (214) is connected to the connecting frame (21) in a threaded mode.