CN213120755U

CN213120755U - Fiber grating multilevel weighing sensor based on telescopic rod structure

Info

Publication number: CN213120755U
Application number: CN202021933519.2U
Authority: CN
Inventors: 钱伟斌
Original assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Current assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-04
Anticipated expiration: 2030-09-08

Abstract

The utility model relates to a weighing sensor technical field, and disclose a multistage weighing sensor of fiber grating based on telescopic link structure, including sensor box and title pouring weight, the inside a plurality of cantilever beams that are provided with of sensor box, the upper and lower both ends of a plurality of cantilever beams are all fixed and are equipped with the grating, the piece of weighing is located sensor box top, and the fixed a plurality of telescopic links that are equipped with in bottom, the telescopic link passes the sensor box and is located the top of cantilever beam, the fixed four springs that are four corners symmetry settings that are equipped with in bottom of title pouring weight, the bottom and the sensor box top fixed connection of spring, it is hollow structure to call the pouring weight, and inside sets up first tension mechanism, the both sides of title pouring weight all are provided. The utility model discloses can freely adjust the size of weighing the pouring weight according to the size at equipment under test bottom sprag position to can make the two zonulae occludens through the bolt.

Description

Fiber grating multilevel weighing sensor based on telescopic rod structure

Technical Field

The utility model relates to a weighing sensor technical field especially relates to a multistage weighing sensor of fiber grating based on telescopic link structure.

Background

The weighing sensor is a device which converts a mass signal into a measurable electric signal and outputs the electric signal, wherein the weighing sensor comprises a grating type sensor, and simultaneously, in order to improve the multi-performance of the grating type weighing sensor, the grating type multi-stage weighing sensor with a telescopic rod structure is designed.

But current multistage weighing sensor of grating formula is through passing through bolt fastening connection with external equipment and the piece of weighing when using to detect weighing to equipment, but the weighing block area undersize that current sensor was equipped with just can't pass through bolt fastening connection with it when equipment bottom sprag position area is too big, thereby easily receive when detecting and rock and lead to being connected the unstability between equipment and the piece of weighing, thereby influence the effect of weighing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the weighing block area undersize that weighing sensor has among the prior art, can't change the lower band of weighing block according to the size at the equipment under test bottom sprag position to zonulae occludens' problem with it, and the multistage weighing sensor of fiber grating based on telescopic link structure who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multistage weighing sensor of fiber grating based on telescopic link structure, includes sensor box and title pouring weight, the inside a plurality of cantilever beams that are provided with of sensor box, it is a plurality of the upper and lower both ends of cantilever beam are all fixed and are equipped with the grating, it is located sensor box top to call the pouring weight, and the fixed a plurality of telescopic links that are equipped with in bottom, the telescopic link passes the sensor box and is located the top of cantilever beam, call the fixed four springs that are four corners symmetry setting in bottom of pouring weight, the bottom and the sensor box top fixed connection of spring, call the pouring weight to be hollow structure, and inside sets up first tension mechanism, the both sides of weighing the pouring weight all are provided with the connecting plate, two the opposite side of connecting plate is all fixed and is equipped with inside diaphragm for hollow structure, the inside of diaphragm sets.

Preferably, the first stretching mechanism comprises a bidirectional screw rod, two ends of the bidirectional screw rod are rotatably connected with two ends of the inner surface of the weighing block through first rotating bearings, two symmetrical first sliding blocks are connected to the rod wall of the bidirectional screw rod in a threaded manner, two symmetrical supporting plates are fixedly arranged on one sides of the two first sliding blocks, and the other sides of the two supporting plates penetrate through the weighing block and are fixedly connected with the connecting plate.

Preferably, the second stretching mechanism includes the U-shaped plate that two symmetries set up, the internal surface of diaphragm transversely fixes and is equipped with the slide bar, the second slider of two symmetries has been cup jointed in the pole wall slip of slide bar, the spout has been seted up to the one side of keeping away from the connecting plate of diaphragm, two the opposite side of second slider passes the spout and respectively with two U-shaped plate fixed connection, two bar grooves of symmetry are seted up to the bottom of diaphragm, two the bottom of second slider all is fixed and is equipped with first U-shaped piece, the bottom of diaphragm rotates through second rolling bearing and is connected with the screw rod, the pole wall threaded connection of screw rod has the annular plate, the both ends of annular plate all are fixed and are equipped with second U-shaped piece, first U-shaped piece and second U-shaped piece all rotate jointly through the pivot and are connected.

Preferably, the right side of the rod wall of the bidirectional screw rod passes through the weight weighing block and is fixedly provided with the rotating block.

Preferably, the top of the weighing block is provided with four first threaded holes symmetrically arranged at four corners.

Preferably, the top of each of the four U-shaped plates is provided with a second threaded hole.

Compared with the prior art, the utility model provides a multistage weighing sensor of fiber grating based on telescopic rod structure possesses following beneficial effect:

1. this multistage weighing sensor of fiber grating based on telescopic link structure through the title pouring weight that is equipped with and first stretcher and second stretching mechanism, can be according to the size change of equipment under test bottom sprag position and call the size of pouring weight, is convenient for support the connection to equipment.

2. This multistage weighing sensor of fiber grating based on telescopic rod structure through the sensor box, cantilever beam and the telescopic link that are equipped with, carries out quick weighing detection to equipment under test.

3. This multistage weighing sensor of fiber grating based on telescopic rod structure through the first screw hole and the second screw hole that are equipped with, is convenient for pass through bolt and equipment under test zonulae occludens to stability when improve equipment weighs.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can freely adjust the size of weighing the pouring weight according to the size at equipment to be tested bottom sprag position to can pass through bolt zonulae occludens, when guaranteeing equipment to weigh and be connected stably between the weighing sensor.

Drawings

Fig. 1 is a schematic structural view of a fiber grating multilevel weighing sensor based on a telescopic rod structure provided by the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic side view of the structure of FIG. 1;

fig. 4 is an enlarged view of a portion a of fig. 3.

In the figure: the device comprises a sensor box body 1, a weighing block 2, a cantilever beam 3, a telescopic rod 4, a spring 5, a connecting plate 6, a transverse plate 7, a bidirectional screw rod 8, a first sliding block 9, a supporting plate 10, a U-shaped plate 11, a sliding rod 12, a second sliding block 13, a first U-shaped block 14, a screw rod 15, a ring-shaped plate 16, a second U-shaped block 17, a connecting rod 18 and a rotating block 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a fiber bragg grating multi-stage weighing sensor based on a telescopic rod structure comprises a sensor box body 1 and a weighing block 2, wherein a plurality of cantilever beams 3 are arranged in the sensor box body 1, gratings are fixedly arranged at the upper and lower ends of the cantilever beams 3, the weight of a tested device is detected by arranging the gratings, the weighing block 2 is positioned above the sensor box body 1, a plurality of telescopic rods 4 are fixedly arranged at the bottom of the weighing block 2, the telescopic rods 4 penetrate through the sensor box body 1 and are positioned above the cantilever beams 3, four springs 5 symmetrically arranged at four corners are fixedly arranged at the bottom of the weighing block 2, the springs 5 can drive the weighing block 2 to reset after weighing is finished, the bottom of the springs 5 is fixedly connected with the top of the sensor box body 1, the weighing block 2 is of a hollow structure, a first stretching mechanism is arranged in the weighing block, connecting plates 6 are arranged on two sides of the weighing block 2, transverse plates 7, the second stretching mechanism is arranged inside the transverse plate 7.

The first stretching mechanism comprises a bidirectional screw rod 8, two ends of the bidirectional screw rod 8 are rotatably connected with two ends of the inner surface of the weighing block 2 through first rotating bearings, the rod wall of the bidirectional screw rod 8 is in threaded connection with two symmetrical first sliding blocks 9, two symmetrical supporting plates 10 are fixedly arranged on one sides of the two first sliding blocks 9, and the other sides of the two supporting plates 10 penetrate through the weighing block 2 and are fixedly connected with the connecting plate 6.

The second stretching mechanism includes the U-shaped plate 11 that two symmetries set up, the horizontal fixed slide bar 12 that is equipped with of internal surface of diaphragm 7, the second slider 13 of two symmetries has been cup jointed in the pole wall slip of slide bar 12, the spout has been seted up to one side of keeping away from connecting plate 6 of diaphragm 7, the opposite side of two second sliders 13 passes the spout and respectively with two U-shaped plate 11 fixed connection, two bar grooves of symmetry have been seted up to the bottom of diaphragm 7, the bottom of two second sliders 13 is all fixed and is equipped with first U-shaped piece 14, the bottom of diaphragm 7 is rotated through second rolling bearing and is connected with screw rod 15, the pole wall threaded connection of screw rod 15 has annular plate 16, the both ends of annular plate 16 are all fixed and are equipped with second U-shaped piece 17, first U-shaped piece 14 and second U-shaped piece 17.

The right side of the rod wall of the bidirectional screw rod 8 passes through the weighting block 2 and is fixedly provided with a rotating block 19, the top of the weighting block 2 is provided with four first threaded holes symmetrically arranged at four corners, and the top of the four U-shaped plates 11 is provided with a second threaded hole.

In the utility model, when the equipment is weighed, when the area of the bottom supporting part of the equipment is small, the supporting part is directly connected with the first threaded hole at the top of the weighing block 2 through a bolt, and the detection is carried out, when the bottom supporting part of the equipment is large, the rotating block 19 is rotated to rotate the two-way screw rod 8, the two-way screw rod 8 rotates to drive the two first sliders 9 of the rod wall to move towards two sides, the first slider 9 moves and simultaneously drives the supporting plate 10 and the connecting plate 6 as well as the transverse plate 7 and the U-shaped plate 11 to stretch towards two sides, when the rotating block 19 stops rotating when the supporting block moves to a certain position, then the screw rods 15 at the bottom of the two transverse plates 7 are rotated to enable the screw rods 15 to rotate and drive the annular plate 16 to move upwards, the second U-shaped block 17 pushes the connecting rod 18 in the upward moving process of the annular plate 16, so that the connecting rod 18 pushes, and drive two second sliders 13 along slide bar 12 inside diaphragm 7 to the both sides slip, the in-process that second slider 13 removed drives U-shaped plate 11 and removes, removes to a certain position stall screw rod 15 to make equipment support position pass through bolted connection with the second screw hole at U-shaped plate 11 top, carry out the stable support to equipment and weigh the detection.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fiber bragg grating multistage weighing sensor based on a telescopic rod structure comprises a sensor box body (1) and a weighing block (2), and is characterized in that a plurality of cantilever beams (3) are arranged in the sensor box body (1), gratings are fixedly arranged at the upper ends and the lower ends of the cantilever beams (3), the weighing block (2) is positioned above the sensor box body (1), a plurality of telescopic rods (4) are fixedly arranged at the bottom of the weighing block (2), the telescopic rods (4) penetrate through the sensor box body (1) and are positioned above the cantilever beams (3), four springs (5) symmetrically arranged at four corners are fixedly arranged at the bottom of the weighing block (2), the bottom of each spring (5) is fixedly connected with the top of the sensor box body (1), the weighing block (2) is of a hollow structure, a first stretching mechanism is arranged in the weighing block, connecting plates (6) are arranged on two sides of the weighing block (2), the other side of the two connecting plates (6) is fixedly provided with a transverse plate (7) with a hollow structure inside, and a second stretching mechanism is arranged inside the transverse plate (7).

2. The fiber bragg grating multi-stage weighing sensor based on the telescopic rod structure is characterized in that the first stretching mechanism comprises a bidirectional screw rod (8), two ends of the bidirectional screw rod (8) are rotatably connected with two ends of the inner surface of the weighing block (2) through first rotating bearings, two symmetrical first sliding blocks (9) are connected to the rod wall of the bidirectional screw rod (8) in a threaded mode, two symmetrical supporting plates (10) are fixedly arranged on one side of each first sliding block (9), and the other sides of the two supporting plates (10) penetrate through the weighing block (2) and are fixedly connected with the connecting plate (6).

3. The fiber bragg grating multistage weighing sensor based on the telescopic rod structure as claimed in claim 1, wherein the second stretching mechanism comprises two U-shaped plates (11) which are symmetrically arranged, a sliding rod (12) is transversely and fixedly arranged on the inner surface of the transverse plate (7), two second sliding blocks (13) which are symmetrically arranged are sleeved on the rod wall of the sliding rod (12) in a sliding manner, a sliding groove is formed in one side, away from the connecting plate (6), of the transverse plate (7), the other sides of the two second sliding blocks (13) penetrate through the sliding groove and are fixedly connected with the two U-shaped plates (11) respectively, two symmetrical strip-shaped grooves are formed in the bottom of the transverse plate (7), a first U-shaped block (14) is fixedly arranged at the bottom of each of the two second sliding blocks (13), a screw rod (15) is rotatably connected to the bottom of the transverse plate (7) through a second rotating bearing, and an annular plate (16) is connected to the rod wall of the, and second U-shaped blocks (17) are fixedly arranged at two ends of the annular plate (16), and the first U-shaped block (14) and the second U-shaped block (17) are both connected with a connecting rod (18) through a shaft pin in a rotating mode.

4. The fiber bragg grating multi-stage weighing sensor based on the telescopic rod structure as claimed in claim 2, wherein the right side of the rod wall of the bidirectional screw rod (8) passes through the weighing block (2) and is fixedly provided with a rotating block (19).

5. The fiber bragg grating multi-stage weighing sensor based on the telescopic rod structure as claimed in claim 1, wherein the top of the weighing block (2) is provided with four first threaded holes symmetrically arranged at four corners.

6. The fiber bragg grating multi-stage weighing sensor based on the telescopic rod structure as claimed in claim 3, wherein the top of each of the four U-shaped plates (11) is provided with a second threaded hole.