CN209802629U - Laser focal length testing device - Google Patents

Abstract

The utility model discloses a laser instrument focus testing arrangement belongs to laser instrument detection area, and its technical scheme main points are including the fixed plate, are equipped with the sensor on the fixed plate, and the sensor is connected with belt ripples ware function coupling power, and the organism of the vertical setting of fixedly connected with on the fixed plate of base one side slides along vertical direction on the organism and is connected with perpendicular seat, has set firmly the centre gripping subassembly that is used for centre gripping optic fibre on the perpendicular seat, and the centre gripping subassembly is located the sensor directly over, it erects the power spare that the seat slided along vertical direction to set firmly the drive on the organism, sets firmly the scale of vertical setting on the organism on one side of perpendicular seat. The utility model discloses reached survey optical assembly raw and other materials laser instrument focus, and at the output luminous power of focus point, guaranteed the effect of end process yield, be applied to during the laser instrument detects.

Description

Laser focal length testing device

Technical Field

The utility model relates to an optical cable test field, more specifically the saying so, it relates to a laser instrument focus testing arrangement.

Background

the method for testing the optical power of the output laser in the prior art comprises the following steps: the laser is coupled into the optical fiber light path after being powered up and reaches the test equipment, the distance between the laser and the end face of the optical fiber is adjusted, the output optical power is tested, the maximum output optical power is coupled out, the optimal focal distance position is obtained, and the accurate focal distance is judged. However, this method in the prior art cannot make the end of the optical fiber stay at a fixed height, which causes a large error in the detection accuracy of the laser.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a laser instrument focus testing arrangement, its centre gripping subassembly, the drive through setting up in the sensor top add the power spare of holding the vertical removal of subassembly and set firmly the scale on the organism, and the position of regulation optic fibre that can be more accurate has reduced measuring error.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a laser instrument focus testing arrangement, includes the fixed plate, is equipped with the sensor on the fixed plate, and the sensor is connected with the function coupling power of belt ripples ware, and the organism of the vertical setting of fixedly connected with on the fixed plate of base one side slides along vertical direction on the organism and is connected with perpendicular seat, erects to set firmly the centre gripping subassembly that is used for centre gripping optic fibre on the seat, and the centre gripping subassembly is located the sensor directly over, it erects the power spare that the seat slided along vertical direction to set firmly the drive on the organism, erects to set firmly the scale of vertical setting on the organism on one side.

Through adopting above-mentioned technical scheme, when examining the laser instrument, with the tip centre gripping of optic fibre on the centre gripping subassembly, then control power spare drive and erect the seat and move down, observe the information that belt ripples ware function coupling power shows simultaneously, can also cooperate the scale on the scale to synthesize the performance of judging the laser instrument when observing information, compare artifical handheld higher precision that has like this, reduced the detection error.

Preferably, the following steps: the fixed plate is connected with a base in a sliding mode along the horizontal direction, and the sensor is connected with the base.

Through adopting above-mentioned technical scheme, optic fibre is difficult to keep the vertical decurrent of optic fibre when the centre gripping is on the centre gripping subassembly, consequently through the control base that slides, can adjust the position of sensor for optic fibre, reduces detection error.

Preferably, the following steps: the base top surface is connected with well seat along the slip direction of perpendicular to base slides, and the slip direction level of well seat sets up, and sensor fixed connection is on the top surface of well seat.

Through adopting above-mentioned technical scheme, through the seat cooperation base that slides in sliding, can further reduce detection error.

Preferably, the following steps: the centre gripping subassembly is including setting firmly two tight poles of clamp on erecting the seat, and the equal level setting of two tight poles of clamp, and is the contained angle setting between two tight poles of clamp, and the tip butt of each other that two tight poles of clamp and perpendicular seat are connected all offers the mounting groove that is the semicircle form on the relative lateral wall of other end department, and common grafting has the bolt on two tight poles of clamp, and the tip threaded connection that the bolt level set up and the bolt has swivel nut, and swivel nut rotates when to the at utmost towards the head of bolt, and the relative lateral wall butt of each other of two tight poles of clamp.

Through adopting above-mentioned technical scheme, can control through rotating swivel nut and be close to each other or keep away from between two clamp rods, convenient and fast can increase the area of contact between centre gripping subassembly and the optic fibre through the mounting groove simultaneously, can be with optic fibre centre gripping more stable.

Preferably, the following steps: the position of the clamping rod, which is provided with the mounting groove, is fixedly provided with a horizontally arranged ball plunger, and the ball head parts of the two ball plungers are oppositely arranged.

through adopting above-mentioned technical scheme, can be with the more stable compact centre gripping of optic fibre through the bulb plunger, can make optic fibre can remain stable at two with between the bulb of clamping rod and two bulb plungers simultaneously with optic fibre centre gripping, reduce the possibility that optic fibre produced the slope in the testing process.

Preferably, the following steps: the bolt is sleeved with a spring, one end of the spring is fixedly connected to the head of the bolt, the other end of the spring abuts against the side wall of one clamping rod, and when the rotary nut is located on the bolt, the spring is always in a compressed state.

Through adopting above-mentioned technical scheme, can increase the resistance when swivel nut and bolt head relative movement through setting up the spring, reduce the user and exert oneself the possibility of too big damage optic fibre.

Preferably, the following steps: the power member includes a hydraulic cylinder.

Through adopting above-mentioned technical scheme, pneumatic cylinder job stabilization, the maintenance of being convenient for.

Preferably, the following steps: slide along vertical direction on the organism and be connected with the base, erect the seat and slide along vertical direction and be connected with the base, fixedly connected with is the connecting rod of the L form of ninety degrees of clockwise rotation on the base, the bottom of connecting rod sets firmly on the base, the top articulates there is the king-rod that the axis of rotation level set up, the one end and the connecting rod of king-rod are articulated, the other end articulates there is the handle that the axis of rotation level set up, the king-rod articulates the intermediate position department at the handle, the tip of handle articulates on a supporting bench, the articulated department threaded connection of handle and organism has fixation nut.

Through adopting above-mentioned technical scheme, through the base that slides along vertical direction and the fixation nut of threaded connection in the articulated department of sill bar and organism, the user can control the base earlier and slide the certain distance downwards when using to screw up fixation nut, through fixation nut fixation base's position, rethread slip erect the seat do the fine setting can, can further improve the precision that detects through the fine setting base.

To sum up, the utility model discloses compare and have following beneficial effect in prior art: 1. through the centre gripping subassembly, the drive that set up in the sensor top add the power spare of holding the vertical removal of subassembly and set firmly the scale on the organism, the position of regulation optic fibre that can be more accurate has reduced measuring error.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a schematic view showing a structure of a fixing plate in the embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2 showing the vertical seat position;

FIG. 4 is an enlarged view of the portion B of FIG. 1 showing the position of the bolt;

FIG. 5 is an enlarged view of portion C of FIG. 2 showing a first cylinder position;

Fig. 6 is an enlarged view of a portion D showing a position of the link in fig. 1.

Reference numerals: 1. a fixing plate; 11. a base; 111. a first cylinder; 112. a first baffle plate; 12. a middle seat; 121. a second cylinder; 122. a second baffle plate; 2. a body; 3. a base; 4. a sensor; 5. a vertical seat; 51. a power member; 511. a hydraulic cylinder; 52. a stopper; 53. a graduated scale; 6. a connecting rod; 61. a middle rod; 62. a handle; 63. fixing a nut; 7. an optical fiber; 8. a clamping assembly; 81. a clamping lever; 82. a bolt; 83. a spring; 84. rotating the nut; 85. mounting grooves; 86. a ball plunger.

Detailed Description

Example (b): a laser focal length testing device, see fig. 1 and 2, comprises a fixing plate 1 which is horizontally arranged. Fixed connection has the first cylinder 111 of horizontal setting on the fixed plate 1, and the first plate washer 112 of the vertical setting of piston rod end fixedly connected with of first cylinder 111, the base 11 of fixedly connected with horizontal setting on the lateral wall of first plate washer 112, the bottom surface of base 11 and the top surface butt of fixed plate 1, and base 11 slides with fixed plate 1 along the length direction of cylinder promptly and is connected. The base 11 is connected with a horizontally arranged middle seat 12 in a sliding manner along the horizontal direction, and the top surface of the middle seat 12 is fixedly connected with a horizontally arranged sensor 4. Fixed plate 1 beside base 11 is gone up the vertical organism 2 that sets up of fixedly connected with, and the top of organism 2 is higher than the top of sensor 4. The body 2 is connected with a base 3 along the vertical direction in a sliding way. Base 3 just slides along vertical direction on the lateral wall to sensor 4 and is connected with perpendicular seat 5, fixedly connected with power spare 51 on the lateral wall of perpendicular seat 5, and power spare 51 is the pneumatic cylinder 511 of vertical setting, and the vertical upwards setting of piston rod of pneumatic cylinder 511, and the piston rod top fixedly connected with dog 52 of pneumatic cylinder 511, dog 52 fixed connection is on perpendicular seat 5. The top fixedly connected with of erecting seat 5 is the connecting rod 6 of the L form of ninety degrees of clockwise rotation, and the one end fixed connection of connecting rod 6 is on erecting seat 5, and the other end articulates there is well pole 61 that the axis of rotation level set up, and the one end of well pole 61 is articulated with the tip of connecting rod 6, and the other end articulates there is handle 62.

referring to fig. 1 and 3, a second cylinder 121 horizontally arranged and perpendicular to the first cylinder 111 is fixedly connected to a side wall of the middle seat 12, a second baffle 122 vertically arranged is fixedly connected to a side wall of the base 11, and a piston rod end of the second cylinder 121 is fixedly connected to the second baffle 122.

Referring to fig. 4 and 5, the vertical seat 5 is fixedly connected with a clamping assembly 8 on the side wall facing the sensor 4, the clamping assembly 8 includes two clamping rods 81 facing the upper side of the sensor 4 and horizontally arranged, and the clamping rods 81 are plastic rods with elasticity. One end of the clamping rod 81 is fixedly arranged on the vertical seat 5, and the other end is positioned above the sensor 4. The ends of the two clamping rods 81 on the vertical base 5 are mutually abutted and welded together, and the ends of the two clamping rods 81 which are not connected with the vertical rod are not mutually abutted in a natural state. Fixedly connected with scale 53 of vertical setting on the base 3 of clamping rod 81 one side, the bottom of scale 53 is located the bottom side of base 3 lateral wall, and the piston rod shrink of pneumatic cylinder 511 to the at utmost, when erecting seat 5 and upwards sliding to the at utmost promptly, clamping rod 81's top surface is located the top below of scale 53. A horizontally arranged bolt 82 is inserted into the two clamping rods 81, and the tail end of the thread of the bolt 82 penetrates through the two clamping rods 81 and is connected with a rotating nut 84 in a threaded manner. A spring 83 is sleeved between the head of the bolt 82 and the clamping rod 81, one end of the spring 83 abuts against the side wall of the bolt 82, which is opposite to the clamping rod 81, and the other end abuts against the side wall of the clamping rod 81, which is closest to the head of the bolt 82. When the swivel nut 84 is turned to the maximum toward the head of the bolt 82, the opposite side walls of the two clamp rods 81 abut against each other. When the nut 84 is screwed to the bolt 82, the spring 83 is always in a compressed state. The end part of the clamping rod 81 not connected with the vertical seat 5 is provided with a semicircular installation groove 85, the opening directions of the installation grooves 85 on the two clamping rods 81 are oppositely arranged, a horizontally arranged ball plunger 86 is fixedly connected in the installation groove 85, the ball head part of the ball plunger 86 extends out of the inner side wall of the installation groove 85 in a natural state, and the ball head part of the ball plunger 86 is positioned between the installation groove 85 and the side wall of the clamping rod 81 in the maximum compression state, namely the ball head part of the ball plunger 86 is positioned in the clamping rod 81.

Referring to fig. 2 and 6, the middle rod 61 is hinged to the middle of the handle 62, the end of the handle 62 is hinged to the support platform, and the fixed nut 63 is connected to the hinged position of the handle 62 and the machine body 2 in a threaded mode. When the position of the base 3 needs to be fixed, the fixing nut 63 only needs to be screwed down, so that the fixing nut 63 is tightly abutted to the side wall of the handle 62, the handle 62 is difficult to rotate in a mode of increasing the friction force between the handle 62 and the machine body 2, and the position of the base 3 is further fixed.

The working principle of the laser focal length testing device during use is as follows: when detecting optic fibre 7, with the tip centre gripping of optic fibre 7 on centre gripping subassembly 8, then control power spare 51 drive and erect seat 5 downstream, observe the information that belt ripples ware function coupling power shows simultaneously, can also cooperate the scale on the scale 53 to synthesize the performance of judging optic fibre 7 when observing information, compare artifical handheld higher precision that has like this, reduced detection error.

it is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a laser instrument focus testing arrangement which characterized in that: including fixed plate (1), be equipped with sensor (4) on fixed plate (1), sensor (4) are connected with belt ripples ware function coupling power, organism (2) of the vertical setting of fixedly connected with on fixed plate (1) of base (11) one side, slide along vertical direction on organism (2) and be connected with perpendicular seat (5), set firmly centre gripping subassembly (8) that are used for centre gripping optic fibre (7) on perpendicular seat (5), centre gripping subassembly (8) are located sensor (4) directly over, set firmly power spare (51) that the drive erects seat (5) and slide along vertical direction on organism (2), set firmly scale (53) of vertical setting on organism (2) on one side of perpendicular seat (5).

2. The laser focal length testing device of claim 1, wherein: the fixed plate (1) is connected with a base (11) in a sliding mode along the horizontal direction, and the sensor (4) is connected with the base (11).

3. The laser focal length testing device of claim 2, wherein: the top surface of the base (11) is connected with a middle seat (12) in a sliding manner along the sliding direction vertical to the base (11), the sliding direction of the middle seat (12) is horizontally arranged, and the sensor (4) is fixedly connected to the top surface of the middle seat (12).

4. The laser focal length testing device of claim 3, wherein: centre gripping subassembly (8) including setting firmly two clamp rod (81) on erecting seat (5), two clamp rod (81) are the level setting all, and be the contained angle setting between two clamp rod (81), the tip butt of being connected of two clamp rod (81) and erecting seat (5), all offer mounting groove (85) that are the semicircle form on the relative lateral wall of other end department, common grafting has bolt (82) on two clamp rod (81), the tip threaded connection of bolt (82) level setting and bolt (82) has swivel nut (84), swivel nut (84) rotate to the maximum time towards the head of bolt (82), the relative lateral wall butt of two clamp rod (81) each other.

5. The laser focal length testing device of claim 4, wherein: the ball head plungers (86) which are horizontally arranged are fixedly arranged at the positions, provided with the mounting grooves (85), of the clamping rods (81), and the ball head parts of the two ball head plungers (86) are oppositely arranged.

6. The laser focal length testing device of claim 5, wherein: the bolt (82) is sleeved with a spring (83), one end of the spring (83) is fixedly connected to the head of the bolt (82), the other end of the spring (83) abuts against the side wall of one clamping rod (81), and when the rotating nut (84) is located on the bolt (82), the spring (83) is always in a compressed state.

7. The laser focal length testing device of claim 6, wherein: the power member (51) includes a hydraulic cylinder (511).

8. The laser focal length testing device of claim 7, wherein: the utility model discloses a hydraulic support of engine, including organism (2), be connected with base (3) along vertical direction sliding on organism (2), erect seat (5) and slide along vertical direction and base (3) and be connected, fixedly connected with is connecting rod (6) of the L form of ninety degrees of clockwise rotation on base (3), the one end of connecting rod (6) sets firmly on base (3), the other end articulates has well pole (61) that the axis of rotation level set up, the top of well pole (61) is articulated with connecting rod (6), the bottom articulates there is handle (62) that the axis of rotation level set up, well pole (61) articulate the intermediate position department at handle (62), the tip of handle (62) articulates on a supporting bench, handle (62) and organism (2) articulated department threaded connection have fixation nut (63).