CN213688397U

CN213688397U - Force application device of fiber grating sensor

Info

Publication number: CN213688397U
Application number: CN202022916578.5U
Authority: CN
Inventors: 周长龙; 肖占全
Original assignee: Dalian Guangchuan Optoelectronic Technology Co ltd
Current assignee: Dalian Guangchuan Optoelectronic Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-13
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a force application device of fiber grating sensor, comprises a workbench, the base is installed on the top of workstation, and the top of base installs the solidus post, the surface connection of solidus post has the optic fibre line, and the bottom of optic fibre line is connected with the connecting rod, the bottom fixedly connected with bracing piece of connecting rod, and the bottom of bracing piece installs the loading board, the abrasionproof decreases the mechanism is installed to one side of base, and the inside of abrasionproof decreases the mechanism including two butt joint grooves. The utility model discloses in, through being connected butt joint piece and butt joint groove, be convenient for be connected between one side of backup pad and base, under the effect of the axis of rotation and dwang of connecting through backup pad one side, can make the optical fiber line at dwang or its surface connection's teflon's surface displacement, teflon can reduce the frictional force between optical fiber line and the base, prevents that the frictional force between optical fiber line and the base is too big, causes the damage to the optical fiber line, influences its subsequent use.

Description

Force application device of fiber grating sensor

Technical Field

The utility model belongs to the technical field of the fiber grating sensor, concretely relates to fiber grating sensor's force applying device.

Background

The fiber grating sensor belongs to one type of fiber sensors, the sensing process based on the fiber grating obtains sensing information by modulating fiber Bragg wavelength through external physical parameters, and the fiber grating sensor is a wavelength modulation type fiber sensor and can realize direct measurement of physical quantities such as temperature, strain and the like.

The force applying device of the existing fiber grating sensor has the defects that the tension on the optical fiber is not well controlled when the force applying device is used, sometimes the optical fiber is damaged due to overlarge tension, and the optical fiber is not contacted with an operation table and the like when generally operated on the force applying device, so that the optical fiber is easily damaged due to overlarge friction coefficient of the optical fiber.

SUMMERY OF THE UTILITY MODEL

The force applying device aims to solve the problems that the tension of an optical fiber is not well controlled when the force applying device of the existing fiber grating sensor is used, the optical fiber is damaged due to overlarge tension sometimes, and the optical fiber cannot be contacted with an operation table and the like when being generally operated on the force applying device, so that the optical fiber and the friction coefficient of the optical fiber are easily overlarge, and the optical fiber is damaged. The utility model provides a force applying device of fiber grating sensor has and is convenient for can protect it and prevent to take place great frictional force between optic fibre and the operation panel when drawing optic fibre, lead to the characteristics of optic fibre damage.

In order to achieve the above object, the utility model provides a following technical scheme: a force application device of a fiber bragg grating sensor comprises a workbench, wherein a base is installed at the top end of the workbench, a wire fixing column is installed at the top end of the base, the surface of the wire fixing column is connected with an optical fiber wire, the bottom end of the optical fiber wire is connected with a connecting rod, a supporting rod is fixedly connected to the bottom end of the connecting rod, a bearing plate is installed at the bottom end of the supporting rod, an anti-abrasion mechanism is installed on one side of the base, two butt joint grooves are formed in the anti-abrasion mechanism, the butt joint grooves are connected with the two sides of the base in an embedded mode respectively, supporting plates are connected to the two sides of the base respectively, butt joint blocks are fixedly connected to one sides of the supporting plates and are connected with the inside of the butt joint grooves, a rotating shaft is installed on one side of the supporting plates, a rotating rod is, and the Teflon is connected with the surface of the optical fiber wire, a buffer mechanism is installed on one side of the workbench, and an adjusting mechanism is installed at the top end of the bearing plate.

Preferably, the rotating rod forms a rotating structure through the rotating shaft and the supporting plate, and the supporting plate forms a clamping structure through the butt joint block and the butt joint groove.

Preferably, buffer gear's inside is including the spout, and is connected for the gomphosis between one side of spout and workstation, the inside cup joint of spout is inserted and is equipped with the slider, and is connected between one side of slider and connecting rod, the top fixedly connected with reset spring of slider, and be connected between the top of reset spring and spout.

Preferably, the connecting rod forms a sliding structure through the sliding block and the sliding groove, and the sliding block forms an elastic telescopic structure through the return spring and the sliding groove.

Preferably, adjustment mechanism's inside is including the body, and is connected between the top of body and loading board, the inner wall both sides difference fixedly connected with draw-in groove of body, and the inside block of draw-in groove is connected with the fixture block, one side fixedly connected with carriage release lever of fixture block, and one side gomphosis of carriage release lever is connected with the spacing groove, one side gomphosis of body is connected with the dead lever, and the surperficial swing joint of dead lever has the connecting plate, one side fixedly connected with stopper of connecting plate, and be connected between the inside of stopper and spacing groove.

Preferably, the movable rod forms a clamping structure through the clamping block and the clamping groove, and a turnover structure is formed between the connecting plate fixing rod and the pipe body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, under the effect of abrasionproof decreases the mechanism, through being connected butt joint piece with the butt joint groove, be convenient for be connected between one side of backup pad and base, under the effect of the axis of rotation and the dwang of connecting through backup pad one side, can make the fiber line at dwang or its surface connection's special fluorine dragon's surface displacement, special fluorine dragon can reduce the frictional force between fiber line and the base, prevent that the frictional force between fiber line and the base is too big, cause the damage to the fiber line, influence its subsequent use.

2. The utility model discloses in, under buffer gear's effect, through adding the weight to the surface of loading board, can make the bracing piece drive the optic fibre line that connecting rod and surface were connected and remove, the removal of connecting rod can make the slider that its one side is connected slide in the inside of spout, under the reset spring's that connects through the slider top effect, prevents that the weight on loading board surface is overweight, breaks the optic fibre line, influences the use of optic fibre line and has caused the waste.

3. The utility model discloses in, under adjustment mechanism's effect, put the weight through the surface to the body on the loading board and carriage release lever, pass through the fixture block with the carriage release lever and remove in the inside of draw-in groove, be convenient for adjust the length of carriage release lever outside the body, be convenient for adjust according to the weight of different thickness, prevent because of the weight is too big excessively thick, lead to it to rock on the loading board and drop, the influence is to the normal operating of optic fibre line.

Drawings

Fig. 1 is a schematic view of the overall structure of a force application device of a fiber grating sensor according to the present invention;

fig. 2 is a schematic view of the front view structure of the anti-abrasion mechanism of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is a schematic view of the internal structure of the tube body of the present invention;

fig. 5 is a schematic side view of the pipe body of the present invention.

In the figure: 1. A work table; 2. a base; 3. a wire fixing column; 4. an optical fiber line; 5. a connecting rod; 6. a support bar; 7. a carrier plate; 8. an anti-wear mechanism; 801. a butt joint groove; 802. a support plate; 803. a butt joint block; 804. a rotating shaft; 805. rotating the rod; 806. teflon; 9. a buffer mechanism; 901. a chute; 902. a slider; 903. a return spring; 10. an adjustment mechanism; 1001. a pipe body; 1002. a card slot; 1003. a clamping block; 1004. a travel bar; 1005. a limiting groove; 1006. fixing the rod; 1007. a connecting plate; 1008. and a limiting block.

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. 1-5, the present invention provides the following technical solutions: a force application device of a fiber bragg grating sensor comprises a workbench 1, wherein a base 2 is installed at the top end of the workbench 1, a wire fixing column 3 is installed at the top end of the base 2, a fiber optic cable 4 is connected to the surface of the wire fixing column 3, a connecting rod 5 is connected to the bottom end of the fiber optic cable 4, a supporting rod 6 is fixedly connected to the bottom end of the connecting rod 5, a bearing plate 7 is installed at the bottom end of the supporting rod 6, an anti-abrasion mechanism 8 is installed at one side of the base 2, the anti-abrasion mechanism 8 comprises two butt-joint grooves 801, the butt-joint grooves 801 are respectively connected with two sides of the base 2 in an embedded mode, supporting plates 802 are respectively connected to two sides of the base 2, butt-joint blocks 803 are fixedly connected to one side of the supporting plates 802, the butt-joint blocks 803 are connected with the insides of the butt-joint grooves 801, the surface of the rotating rod 805 is connected with Teflon 806, the Teflon 806 is connected with the surface of the optical fiber 4, one side of the workbench 1 is provided with a buffer mechanism 9, and the top end of the bearing plate 7 is provided with an adjusting mechanism 10.

By adopting the technical scheme, the Teflon 806 has extremely low friction coefficient, so that the optical fiber wire 4 can move on the surface of the Teflon 806 conveniently, and the optical fiber wire 4 is prevented from being directly contacted with one side of the base 2 to cause abrasion and damage to the optical fiber wire 4.

Referring to fig. 1-5, the rotation rod 805 forms a rotation structure with the support plate 802 through the rotation shaft 804, and the support plate 802 forms a clamping structure with the abutting block 803 and the abutting groove 801 through the abutting block.

Through adopting above-mentioned technical scheme, through butt joint piece 803 with be connected to butt joint groove 801, be convenient for install backup pad 802 etc. in one side of base 2, be convenient for install and dismantle convenient to it.

Referring to fig. 3, the inside of the buffering mechanism 9 includes a sliding groove 901, the sliding groove 901 is connected to one side of the working table 1 in an embedded manner, a sliding block 902 is inserted into the sliding groove 901 in a sleeved manner, the sliding block 902 is connected to one side of the connecting rod 5, a return spring 903 is fixedly connected to the top end of the sliding block 902, and the return spring 903 is connected to the top end of the sliding groove 901.

By adopting the above technical solution, the slider 902 moves inside the chute 901 along with the movement of the connecting rod 5.

Referring to fig. 3, the connecting rod 5 forms a sliding structure through the sliding block 902 and the sliding groove 901, and the sliding block 902 forms an elastic telescopic structure through the return spring 903 and the sliding groove 901.

By adopting the above technical scheme, the reset spring 903 prevents the overweight of the weight on the bearing plate 7, which leads to the damage of the optical fiber 4.

Referring to fig. 4 and 5, the adjusting mechanism 10 includes a pipe 1001, the pipe 1001 is connected to the top end of the bearing plate 7, two sides of an inner wall of the pipe 1001 are respectively and fixedly connected to a clamping groove 1002, a clamping block 1003 is clamped and connected to the inside of the clamping groove 1002, a moving rod 1004 is fixedly connected to one side of the clamping block 1003, a limiting groove 1005 is embedded and connected to one side of the moving rod 1004, a fixing rod 1006 is embedded and connected to one side of the pipe 1001, a connecting plate 1007 is movably connected to a surface of the fixing rod 1006, a limiting block 1008 is fixedly connected to one side of the connecting plate 1007, and the limiting block 1008 is connected to the inside of the.

By adopting the technical scheme, the movable rod 1004 moves in the clamping groove 1002 through the clamping block 1003, so that the length of the movable rod 1004 outside the pipe body 1001 can be adjusted conveniently according to the thickness of the weight.

Referring to fig. 4 and 5, the movable rod 1004 forms a clamping structure with the clamping block 1003 and the clamping groove 1002, and the connecting plate 1007 and the fixing rod 1006 form an overturning structure with the tube 1001.

Through adopting above-mentioned technical scheme, through the surperficial upset removal of connecting plate 1007 at dead lever 1006, be convenient for move the stopper 1008 that connects connecting plate 1007 one side to the inside of spacing groove 1005, be convenient for carry out spacing fixed with carriage release lever 1004.

The utility model discloses a theory of operation and use flow: when in use, the butt-joint block 803 is connected with the butt-joint groove 801, so that the support plate 802 is conveniently connected with one side of the base 2, the optical fiber 4 can move on the surface of the rotating rod 805 or the Teflon 806 connected with the surface of the rotating rod 805 under the action of the rotating shaft 804 and the rotating rod 805 connected with one side of the support plate 802, the Teflon 806 can reduce the friction force between the optical fiber 4 and the base 2, prevent the optical fiber 4 from being damaged due to overlarge friction force between the optical fiber 4 and the base 2 and influence the subsequent use of the optical fiber, the support rod 6 can drive the connecting rod 5 and the optical fiber 4 connected with the surface to move by putting weights on the tube body 1001 on the bearing plate 7 and the surface of the moving rod 1004, the slider 902 connected with one side of the connecting rod 5 can slide in the sliding groove 901 through the movement of the connecting rod 5, and the overweight on the surface of the bearing plate 7 is prevented under the action of the reset spring 903 connected with the top, with optic fibre line 4 stretch-break, influence the use of optic fibre line 4 and caused the waste, will pass through the fixture block 1003 with the carriage release lever 1004 and remove in the inside of draw-in groove 1002, be convenient for adjust the length of carriage release lever 1004 outside body 1001, be convenient for adjust according to the weight of different thickness, prevent because of the weight is too big excessively thick, lead to it to rock and drop on loading board 7, the influence is to optic fibre line 4's normal operating, facilitate the use and just accomplished the device's theory of operation like this.

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 force application device of fiber grating sensor, includes workstation (1), its characterized in that: the base (2) is installed on the top end of the workbench (1), the fixing post (3) is installed on the top end of the base (2), the surface of the fixing post (3) is connected with the optical fiber line (4), the bottom end of the optical fiber line (4) is connected with the connecting rod (5), the bottom end of the connecting rod (5) is fixedly connected with the supporting rod (6), the bottom end of the supporting rod (6) is provided with the bearing plate (7), one side of the base (2) is provided with the anti-abrasion mechanism (8), the inside of the anti-abrasion mechanism (8) comprises two butt joint grooves (801), the two sides of the butt joint grooves (801) and the base (2) are respectively connected in a chimeric way, the two sides of the base (2) are respectively connected with the supporting plates (802), one side of the supporting plates (802) is fixedly connected with the butt joint block (803), and the butt joint block (803) is connected with, rotation axis (804) are installed to one side of backup pad (802), and one side of rotation axis (804) is rotated and is connected with dwang (805), the surface of dwang (805) is connected with teflon (806), and is connected between the surface of teflon (806) and optic fibre line (4), buffer gear (9) are installed to one side of workstation (1), and adjustment mechanism (10) are installed on the top of loading board (7).

2. The force applying device of the fiber grating sensor according to claim 1, wherein: the rotating rod (805) and the supporting plate (802) form a rotating structure through the rotating shaft (804), and the supporting plate (802) and the butt joint groove (801) form a clamping structure through the butt joint block (803).

3. The force applying device of the fiber grating sensor according to claim 1, wherein: the inside of buffer gear (9) is including spout (901), and is connected for the gomphosis between one side of spout (901) and workstation (1), the inside of spout (901) is cup jointed and is inserted and is equipped with slider (902), and is connected between one side of slider (902) and connecting rod (5), the top fixedly connected with reset spring (903) of slider (902), and is connected between the top of reset spring (903) and spout (901).

4. The force applying device of the fiber grating sensor according to claim 3, wherein: the connecting rod (5) forms a sliding structure with the sliding groove (901) through the sliding block (902), and the sliding block (902) forms an elastic telescopic structure with the sliding groove (901) through the return spring (903).

5. The force applying device of the fiber grating sensor according to claim 1, wherein: the inside of adjustment mechanism (10) is including body (1001), and is connected between the top of body (1001) and loading board (7), the inner wall both sides of body (1001) fixedly connected with draw-in groove (1002) respectively, and the inside block of draw-in groove (1002) is connected with fixture block (1003), one side fixedly connected with carriage release lever (1004) of fixture block (1003), and one side gomphosis of carriage release lever (1004) is connected with spacing groove (1005), one side gomphosis of body (1001) is connected with dead lever (1006), and the surperficial swing joint of dead lever (1006) has connecting plate (1007), one side fixedly connected with stopper (1008) of connecting plate (1007), and be connected between the inside of stopper (1008) and spacing groove (1005).

6. The force applying device of the fiber grating sensor according to claim 5, wherein: the movable rod (1004) forms a clamping structure through the clamping block (1003) and the clamping groove (1002), and a turnover structure is formed between the connecting plate (1007) and the fixed rod (1006) and the pipe body (1001).