CN216049926U

CN216049926U - Telescopic calibration device

Info

Publication number: CN216049926U
Application number: CN202122664286.1U
Authority: CN
Inventors: 鄢德文
Original assignee: Beijing Jike Instrument Co ltd
Current assignee: Beijing Jike Instrument Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-15
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to a telescopic calibration device, which belongs to the technical field of calibration equipment and comprises a telescopic rod component, a mounting seat for mounting the telescopic rod component and a rotary fixing component, wherein the rotary fixing component comprises an upper cover plate, a lower cover plate, a screw, a shaft sleeve and a locking nut arranged between the upper cover plate and the lower cover plate, the upper part of the locking nut is connected with the upper cover plate, the lower part of the locking nut is connected with the lower cover plate, the shaft sleeve is positioned above the upper cover plate, the screw penetrates through the shaft sleeve and is in threaded connection with the locking nut, and the rotary fixing component is in bolted connection with the mounting seat. The utility model has simple structure, easy operation, large calibration field of view and convenient carrying.

Description

Telescopic calibration device

Technical Field

The utility model belongs to the technical field of calibration devices, and particularly relates to a telescopic calibration device.

Background

In the conventional technical scheme, target points are uniformly distributed on a long carbon fiber tube, and the distance between every two points is determined by the measurement and calibration of a national metering mechanism.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the telescopic calibration device which is simple in structure, easy to operate, large in calibration view field and convenient to carry. In order to realize the purpose of the utility model, the technical proposal adopted by the utility model is as follows:

the utility model provides a flexible calibration device, includes telescopic link subassembly, with mount pad, the rotatory fixed subassembly of installation telescopic link subassembly, rotatory fixed subassembly includes upper cover plate, lower apron, screw, axle sleeve, sets up the lock nut between upper cover plate, lower apron, lock nut's upper portion meets with the upper cover plate, lock nut's lower part and lower cover connection, the axle sleeve is located the top of upper cover plate, the screw passes the axle sleeve, screw and lock nut threaded connection, rotatory fixed subassembly and mount pad are bolted connection.

Furthermore, the number of the installation bases is 2, the installation base located above is connected with the upper cover plate through a bolt, the installation base located below is connected with the lower cover plate through a bolt, a first step hole is formed in the middle of the lower cover plate, a second through hole is formed in the middle of the upper cover plate, a second protruding portion is arranged inside the second through hole, a first through hole is formed in the middle of the installation base located above, the upper portion of the shaft sleeve is inserted into the first through hole, and the lower portion of the shaft sleeve is in contact with the second protruding portion.

Furthermore, the upper surface of upper cover plate is equipped with the arc wall, the centre of a circle of arc wall and the centre of a circle of lower apron are concentric to be set up, the top surface of lower apron is equipped with and is used for gliding pin in the arc wall, pin are all not less than 1.

Furthermore, the central angle of the arc-shaped groove is a, wherein a is more than or equal to 30 degrees and less than or equal to 180 degrees.

Furthermore, the periphery of the upper cover plate is provided with scale marks which are arranged at equal intervals.

Further, the mounting base comprises a cylinder, the cylinder is provided with a first groove, the longitudinal section of the first groove is U-shaped, the first groove is sleeved outside the fixing rod, and the first groove and the fixing rod are in clearance fit.

Further, the telescopic link subassembly is 2, the telescopic link subassembly all includes dead lever, telescopic link, the dead lever is cavity setting, the telescopic link cover is established in the dead lever, be equipped with the slip subassembly between dead lever, the telescopic link, the slip subassembly includes guide rail, slider, guide rail and telescopic link outside fixed connection, the inboard fixed connection of slider and dead lever.

Furthermore, the fixed rod is provided with a positioning pin, the head end of the telescopic rod is provided with a front stop block, the tail end of the telescopic rod is provided with a rear stop block, the rear stop block is provided with a pin hole, and the pin hole is matched with the positioning pin.

Furthermore, the middle part of the fixed rod positioned above is provided with a first mounting hole for the shaft sleeve to pass through, and the aperture of the first mounting hole is matched with the outer diameter of the shaft sleeve.

The utility model has the following beneficial effects:

the utility model has simple structure, easy operation, large calibration view field and particularly convenient carrying of the telescopic structure.

Drawings

FIG. 1 is a schematic diagram of a telescopic calibration device;

FIG. 2 is a diagram illustrating a state of use of the telescopic calibration device;

FIG. 3 is a cross-sectional view of a telescopic calibration device;

FIG. 4 is a schematic view of the connection between the telescopic rod and the positioning pin;

FIG. 5 is a schematic view of the mount

FIG. 6 is a schematic view of the upper cover plate;

fig. 7 is a schematic view of the lower cover plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

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. 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.

The terms "top," "bottom," "middle," "upper," "inner," "outer," "left," "right," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Example one

Referring to fig. 1-7, a flexible calibration device, including telescopic link subassembly 1, with mount pad 2 of installation telescopic link subassembly 1, mount pad 2 are 2, are connected with rotatory fixed subassembly 3 between 2 mount pads 2, rotatory fixed subassembly 3 and mount pad 2 bolted connection, rotatory fixed subassembly 3 can make the mount pad 2 that is located the relative below of mount pad 2 of top take place rotatoryly, and then drive 2 telescopic link subassemblies 1 and take place relative rotation, can fix the lock simultaneously to telescopic link subassembly 1 of certain angle of rotation for 2 telescopic link subassemblies 1 can keep certain contained angle. After test work accomplished, the mount pad 2 of selection position in the top makes the central line coincidence of two telescopic link subassembly 1 about, and telescopic link subassembly 1's contained angle is zero this moment, then locking fixed subassembly 3 can be with 2 telescopic link subassembly 1 locking, conveniently carry.

Telescopic link subassembly 1 includes dead lever 11, telescopic link 12, slip subassembly, and wherein the slip subassembly includes guide rail, slider, dead lever 11 is the cavity setting, telescopic link 12 cover is established in dead lever 11, the outside installation guide rail of telescopic link 12 connects, the inboard installation slider of dead lever 11, guide rail, slider sliding connection. So that the telescopic rod 12 can relatively slide in the fixing rod 11. The fixed rod 11 and the telescopic rod 12 are provided with scale marks for convenient testing.

In order to keep the sliding telescopic rod 12 at the set position, in this embodiment, the fixing rod 11 is provided with a positioning pin 111 and a plurality of second mounting holes for mounting the positioning pin 111, the front end of the telescopic rod 12 is provided with a front stop 121, the tail end of the telescopic rod 12 is provided with a rear stop 122, the rear stop 122 is provided with a pin hole, and the positioning pin 111 is matched with the pin hole. When the length of the telescopic rod 12 is adjusted to a proper length, the positioning pin 111 is installed in the corresponding second installation hole, the positioning pin 111 is inserted into a rear stop block of the telescopic rod 12, and the position of the telescopic rod 12 on the fixed rod 11 is fixed; after the test is finished, the positioning pin 111 is pulled out first, and then the telescopic rod 12 is pushed back to the initial state.

The mounting seat 2 comprises a cylinder 21, the cylinder 21 is provided with a first groove 22, the longitudinal section of the first groove 22 is U-shaped, the first groove 22 is sleeved outside the fixing rod 11, and the first groove 22 and the fixing rod 11 are in clearance fit. The rotary fixing component 3 comprises an upper cover plate 31, a lower cover plate 32, a screw 33, a shaft sleeve 34 and a locking nut 35, wherein the mounting base 2 positioned above is in bolted connection with the upper cover plate 31, the mounting base 2 positioned below is in bolted connection with the lower cover plate 32, a third mounting hole for mounting the locking nut 35 is arranged in the middle of the fixing rod 11 positioned above, a first mounting hole is arranged in the middle of the fixing rod 11 positioned above, a first through hole is arranged in the middle of the mounting base 2 positioned above, a first step hole is arranged in the middle of the lower cover plate 32, a second through hole is arranged in the middle of the upper cover plate 31, a second bulge part with a circular ring-shaped cross section is arranged in the second through hole, the screw 33 passes through the first through hole and the shaft sleeve 34, the screw 33 is in threaded connection with the locking nut 35, the top of the shaft sleeve 34 is inserted into the first through hole, and the lower part of the shaft sleeve 34 is in contact with the second bulge part, the middle part of axle sleeve 34 passes first mounting hole, and the dead lever 11 cover that is located the top is outside 4 promptly, lock nut 35 is installed between upper cover plate 31, lower apron 32, and is concrete, the upper portion of lock nut 35 contacts with upper cover plate 31, the lower part of lock nut 35 can adopt connected modes such as bolted connection, fixed connection with lower apron 32, and the third mounting hole on the dead lever 11 that is located the below is inserted to the bottom of lock nut 35, and lock nut 35 can carry on spacingly to the horizontal direction of dead lever 11 that is located the below, and lower apron 32 links into an integrated entity with lock nut 35 like this, and upper cover plate 31 can rotate in the periphery of lock nut 35 at the cover.

In this embodiment, firstly insert dead lever 11 in the recess on mount pad 2, recess and dead lever 11 clearance fit, fix the dead lever 11 spacing, wherein the bottom of lock nut 35 inserts in the third mounting hole on the dead lever 11 that is located the below, secondly contact the bottom and the upper cover plate 31 of axle sleeve 34, the dead lever 11 above the upper cover plate 31 is passed in the middle part of axle sleeve 34, insert in the first through-hole on the upper portion of axle sleeve 34, because upper cover plate 31 and the mount pad 2 bolt fastening that is located the top, mount pad 2, upper cover plate 31, axle sleeve 34 can carry out the ascending restriction of horizontal direction to dead lever 11, prevent the horizontal slip, can play the effect of location, improve measurement of efficiency precision. During initial state, the screw 33 passes through the first through-hole and the axle sleeve 34 on the mount pad 2, and be connected with lock nut 35, when dead lever 11 needs to rotate, unscrew screw 33, make upper cover plate 31 can rotate, install screw 33 again after adjusting suitable measurement angle and make and be connected with lock nut 35, keep determining the position unchangeable, can rotate screw 33 out or rotate to the position that does not contact with lock nut 35 after measuring the completion, resume upper cover plate 31 to initial position and then rotate screw 33 again and contact with lock nut 35, fasten upper cover plate 31 and dead lever 11 on it, and the product is convenient for accomodate and carry, and the product is rational in infrastructure, each part adopts detachable mounting means, and the maintenance is convenient.

As a preferable technical solution, in this embodiment, the number of the telescopic rods 12 is 2, the upper surface of the upper cover plate 31 is provided with an arc-shaped groove 311, the center of the arc-shaped groove 311 and the center of the lower cover plate 32 are concentrically arranged, the top surface of the lower cover plate 32 is provided with a pin 321 used for sliding in the arc-shaped groove 311, and the number of the arc-shaped groove 311 and the number of the pin 321 are not less than 1. The central angle of the arc-shaped groove 311 is a, wherein a is more than or equal to 30 degrees and less than or equal to 180 degrees. The arc-shaped slot 311 and the pin 321 are matched to limit the movement range of the upper cover plate 31, and the rotation of the upper cover plate 31 is smoother and more stable.

As a preferred technical scheme, the periphery of the upper cover plate 31 is provided with scale marks arranged at equal intervals, so that the rotation angle can be quickly and accurately identified through the scale marks during measurement, and the measurement precision and speed are improved.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a flexible calibration device, its characterized in that, including telescopic link subassembly (1), with mount pad (2), the rotatory fixed subassembly (3) of installation telescopic link subassembly (1), rotatory fixed subassembly (3) includes upper cover plate (31), lower cover plate (32), screw (33), axle sleeve (34), sets up lock nut (35) between upper cover plate (31), lower cover plate (32), the upper portion and upper cover plate (31) of lock nut (35) meet, the lower part and the lower cover plate (32) of lock nut (35) are connected, axle sleeve (34) are located the top of upper cover plate (31), axle sleeve (34) are passed in screw (33), screw (33) and lock nut (35) threaded connection, rotatory fixed subassembly (3) are bolted connection with mount pad (2).

2. The telescopic calibration device according to claim 1, wherein the number of the mounting seats (2) is 2, the mounting seat (2) located above is connected with the upper cover plate (31) through a bolt, the mounting seat (2) located below is connected with the lower cover plate (32) through a bolt, a first step hole is formed in the middle of the lower cover plate (32), a second through hole is formed in the middle of the upper cover plate (31), a second protruding portion is formed inside the second through hole, a first through hole is formed in the middle of the mounting seat (2) located above, the upper portion of the shaft sleeve (34) is inserted into the first through hole, and the lower portion of the shaft sleeve (34) is in contact with the second protruding portion.

3. The telescopic calibration device according to claim 2, wherein the upper surface of the upper cover plate (31) is provided with an arc-shaped groove (311), the center of the arc-shaped groove (311) is concentric with the center of the lower cover plate (32), the top surface of the lower cover plate (32) is provided with pins (321) used for sliding in the arc-shaped groove (311), and the number of the arc-shaped groove (311) and the number of the pins (321) are not less than 1.

4. A telescopic calibration arrangement according to claim 3, wherein the arc-shaped slot (311) has a central angle a, wherein 30 ° ≦ a ≦ 180 °.

5. The telescopic calibration device according to claim 1, wherein the periphery of the upper cover plate (31) is provided with equally spaced graduation marks.

6. The telescopic calibration device according to claim 1, wherein the mounting seat (2) comprises a cylindrical body (21), the cylindrical body (21) is provided with a first groove (22), the longitudinal section of the first groove (22) is U-shaped, the first groove (22) is sleeved outside the fixing rod (11), and the first groove (22) and the fixing rod (11) are in clearance fit.

7. The telescopic calibration device according to claim 1, wherein the number of the telescopic rod assemblies (1) is 2, each telescopic rod assembly (1) comprises a fixed rod (11) and a telescopic rod (12), the fixed rod (11) is arranged in a hollow manner, the telescopic rods (12) are sleeved in the fixed rod (11), a sliding assembly is arranged between the fixed rod (11) and the telescopic rods (12), the sliding assembly comprises a guide rail and a sliding block, the guide rail is fixedly connected with the outer side of the telescopic rod (12), and the sliding block is fixedly connected with the inner side of the fixed rod (11).

8. The telescopic calibration device according to claim 7, wherein the fixing rod (11) is provided with a positioning pin (111), the head end of the telescopic rod (12) is provided with a front stop block (121), the tail end of the telescopic rod (12) is provided with a rear stop block (122), and the rear stop block (122) is provided with a pin hole which is matched with the positioning pin (111).

9. A telescopic calibration device according to claim 7, characterized in that the middle of the fixing rod (11) above is provided with a first mounting hole for the shaft sleeve (34) to pass through, and the diameter of the first mounting hole matches with the outer diameter of the shaft sleeve (34).