Lengthened measuring rod matched with target ball measuring memorial archway of laser tracker

Abstract

The utility model discloses a lengthened measuring rod matched with a target ball measuring memorial archway of a laser tracker, and relates to the technical field of measurement, the lengthened measuring rod comprises a handle, a telescopic rod and a target ball fixing piece, the bottom of the telescopic rod is rotatably connected with the handle, and the position after rotation can be kept; the target ball fixing piece is hinged to the telescopic rod and can keep the position after movement, the target ball fixing piece is used for being detachably and fixedly connected with the target ball of the laser tracker, the structure is simple, use is convenient, and the detection efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, in particular to an extended measuring rod for measuring a target ball of a laser tracker. Background Art

[0002] Laser tracking measurement systems are basically composed of a laser tracking head (tracker), a controller, a computer, a target ball, etc. The laser tracking head emits a laser that hits the target ball and then reflects back to the laser tracking head, so that the spatial position of the target can be measured. When measuring the mill arch, the high arch cannot be measured directly due to the height. The current solution is to set up a measurement platform, but setting up a measurement platform will affect the detection efficiency and increase the detection cost. Utility Model Content

[0003] The utility model aims to provide an extended measuring rod for cooperating with a laser tracker target ball measuring arch to solve the problems existing in the above-mentioned prior art, has a simple structure, is easy to use, and effectively improves the detection efficiency.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides an extended measuring rod for matching a target ball measuring arch of a laser tracker, comprising: a handle, a telescopic rod and a target ball fixing piece, wherein the bottom of the telescopic rod is rotatably connected to the handle and can maintain a position after rotation; the target ball fixing piece is hingedly connected to the telescopic rod and can maintain a position after movement, and the target ball fixing piece is used for being detachably fixedly connected to a target ball of the laser tracker.

[0006] Preferably, the telescopic rod comprises a main rod and a secondary rod, the secondary rod is sleeved in the main rod and can move along the axial direction of the main rod and maintain the position after movement, one end of the main rod is rotatably connected to the handle, and the secondary rod is hingedly connected to the target ball fixing piece.

[0007] Preferably, the telescopic rod further includes a first locking bolt, and a first threaded hole is provided at one end of the main rod away from the handle, and the first locking bolt is used to be threadedly connected to the first threaded hole and can tighten the auxiliary rod.

[0008] Preferably, a rotating rod and an extension rod are provided at one end of the bottom of the main rod near the handle, the rotating rod is fixedly connected to the main rod, and the extension rod is fixedly connected to one end of the rotating rod away from the main rod, the diameter of the extension rod is larger than the diameter of the rotating rod, and the handle also includes a second locking bolt, and the handle is provided with a rotating hole and an extension hole, the diameter of the expansion hole is larger than the diameter of the rotating hole, and the diameter of the extension rod is larger than the diameter of the rotating hole, the extension rod is used to be placed in the expansion hole, the rotating rod is used to be placed in the rotating hole, and a second threaded hole connected to the rotating hole is provided on the handle, the second locking bolt is used to be threadedly connected to the second threaded hole, and rotating the second locking bolt can make the second locking bolt tighten the rotating rod to limit the rotation of the main rod.

[0009] Preferably, it further comprises a third locking bolt and a nut, the target ball fixing part comprises a rotating ear, two connecting ears are arranged at one end of the auxiliary rod away from the main rod, the connecting ears are each provided with an ear hole, the third locking bolt is used to pass through the two ear holes, the rotating rod is used to sleeve the third locking bolt between the two ear holes, the rod end of the third locking bolt is larger than the diameter of the ear hole, the nut is threadedly connected to the third locking bolt, and rotating the nut can limit the rotation of the rotating ear.

[0010] Preferably, the target ball fixing member further comprises an extension rod and a clamping device, one end of the extension rod is fixedly connected to the rotating ear, and the other end is fixedly connected to the clamping device, and the clamping device is used to clamp and fix the laser tracker target ball.

[0011] Preferably, the clamping device includes a contact surface, a bottom surface and a magnet, the contact surface is used to place the laser tracker target ball, the bottom side of the bottom surface is used to contact the surface of the rolling mill arch, the magnet is fixedly connected to the top of the bottom surface, and the magnet is used to magnetically fix the laser tracker target ball.

[0012] Compared with the prior art, the utility model has achieved the following technical effects:

[0013] The utility model provides an extended measuring rod for cooperating with a laser tracker target ball to measure a memorial arch. The extended measuring rod is connected to the target ball of the laser tracker through a target ball fixing piece and contacts the surface of the rolling mill memorial arch. The telescopic rod is arranged to cooperate with the target ball to complete the high-place point measurement work of large equipment. Through the rotation connection between the telescopic rod and the handle and the hinge connection between the target ball fixing piece and the telescopic rod, the target ball of the laser tracker can be adjusted to a suitable light receiving angle for measurement with sufficient degree of freedom. The utility model has the advantages of simple structure, convenient use and effectively improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 A schematic diagram of the structure of an extended measuring rod for measuring a target ball of a laser tracker provided by the utility model;

[0016] Figure 2 A schematic diagram of the structure of the target ball fixing part connected to the auxiliary rod in the extended measuring rod of the target ball measuring arch of the laser tracker provided by the utility model;

[0017] Figure 3 A schematic diagram of the structure of a target ball fixing member in an extended measuring rod that cooperates with a target ball measuring arch of a laser tracker provided in the utility model;

[0018] Figure 4 A schematic diagram of the structure of the auxiliary rod in the extended measuring rod for cooperating with the laser tracker target ball measuring arch provided by the utility model;

[0019] Figure 5 A schematic diagram of the coordinated use of a main rod and a secondary rod in an extended measuring rod for a target ball measuring arch provided by a laser tracker provided in the utility model;

[0020] Figure 6 A schematic diagram of the coordinated use of the main rod and the handle in the extended measuring rod for the laser tracker target ball measuring arch provided by the utility model;

[0021] Figure 7 A schematic diagram of the main rod structure of the extended measuring rod used in conjunction with the laser tracker target ball measuring arch provided by the utility model;

[0022] Figure 8 A schematic diagram of the handle structure in the first direction of the extended measuring rod for cooperating with the laser tracker target ball measuring arch provided by the utility model;

[0023] Fig. 9 A schematic diagram of the handle structure in the second direction of the extended measuring rod for cooperating with the laser tracker target ball measuring arch provided by the utility model;

[0024] In the figure: 1. handle; 2. rotating hole; 3. expansion hole; 4. second threaded hole; 5. second locking bolt; 6. extension rod; 7. rotating rod; 8. main rod; 9. first locking bolt; 10. telescopic cavity; 11. auxiliary rod; 12. connecting ear; 13. ear hole; 14. third locking bolt; 15. nut; 16. rod end; 17. rotating ear; 18. extension rod; 19. clamping device; 20. contact surface; 21. magnet; 22. bottom surface. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model aims to provide an extended measuring rod for cooperating with a laser tracker target ball measuring arch to solve the problems existing in the above-mentioned prior art, has a simple structure, is easy to use, and effectively improves the detection efficiency.

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0028] The utility model provides an extended measuring rod for cooperating with a laser tracker target ball measuring arch, such as Figures 1 to 9 As shown, it includes: a handle 1, a telescopic rod and a target ball fixing piece, the bottom of the telescopic rod is rotatably connected to the handle 1 and can maintain the position after rotation; the target ball fixing piece is hingedly connected to the telescopic rod and can maintain the position after movement, the target ball fixing piece is used to be detachably fixedly connected to the target ball of the laser tracker, is connected to the target ball of the laser tracker through the target ball fixing piece, and contacts with the surface of the rolling mill arch, and the telescopic rod can be arranged to cooperate with the target ball to complete the high-point measurement of large equipment, through the rotation connection between the telescopic rod and the handle 1 and the hinge connection between the target ball fixing piece and the telescopic rod, it can have enough freedom to adjust the target ball of the laser tracker to a suitable light receiving angle for measurement, the structure is simple, easy to use, and the detection efficiency is effectively improved.

[0029] In a preferred embodiment, the telescopic rod includes a main rod 8 and a sub-rod 11. A telescopic cavity 10 is provided in the main rod 8. The sub-rod 11 is sleeved in the telescopic cavity 10 and can move along the axial direction of the main rod 8 and maintain the position after movement. One end of the main rod 8 is rotatably connected to the handle 1, and the sub-rod 11 is hingedly connected to the target ball fixing piece. The structure is simple and can increase the height of the telescopic rod.

[0030] In a preferred embodiment, the telescopic rod also includes a first locking bolt 9, and a first threaded hole is provided at the end of the main rod 8 away from the handle 1. The first locking bolt 9 is used to be threadedly connected to the first threaded hole and can tighten the auxiliary rod 11. It has a simple structure, is easy to use, and can maintain the relative position of the main rod 8 and the auxiliary rod 11.

[0031] In a preferred embodiment, a rotating rod 7 and an extension rod 6 are provided at one end of the bottom of the main rod 8 near the handle 1, the rotating rod 7 is fixedly connected to the main rod 8, the extension rod 6 is fixedly connected to the end of the rotating rod 7 away from the main rod 8, the diameter of the extension rod 6 is larger than the diameter of the rotating rod 7, the handle 1 also includes a second locking bolt 5, a rotating hole 2 and an extension hole 3 are provided on the handle 1, the diameter of the extension hole 3 is larger than the diameter of the rotating hole 2, and the diameter of the extension rod 6 is larger than the diameter of the rotating hole 2, the extension rod 6 is used to be placed in the extension hole 3, the rotating rod 7 is used to be placed in the rotating hole 2, and a second threaded hole 4 connected to the rotating hole 2 is provided on the handle 1, the second locking bolt 5 is used to be threadedly connected to the second threaded hole 4, rotating the second locking bolt 5 can make the second locking bolt 5 tighten the rotating rod 7 to limit the rotation of the main rod 8, the structure is simple and the operation is convenient.

[0032] In a preferred embodiment, the extended measuring rod for matching the target ball measuring arch of the laser tracker further includes a third locking bolt 14 and a nut 15, the target ball fixing piece includes a rotating ear 17, and the end of the auxiliary rod 11 away from the main rod 8 is provided with two connecting ears 12, and the connecting ears 12 are provided with ear holes 13, the third locking bolt 14 is used to pass through the two ear holes 13, the rotating rod 7 is used to sleeve the third locking bolt 14 between the two ear holes 13, the rod end 16 of the third locking bolt 14 is larger than the diameter of the ear hole 13, the nut 15 is threadedly connected to the third locking bolt 14, and rotating the nut 15 can limit the rotation of the rotating ear 17, the structure is simple, easy to use, and the connecting ear 12 is plate-shaped, and the lower part is a rectangular parallelepiped and the upper part is semicircular. An ear hole 13 is provided on the connecting ear 12. The diameter of the ear hole 13 is larger than the diameter of the bolt, so that the bolt can be freely inserted into the ear hole 13 (without screwing in). The diameter of the rod end 16 is larger than the ear hole 13, thereby limiting the axial movement of the bolt. The connecting ear 12 is used in conjunction with the rotating ear 17 of the clamping device 19. When in use, the rotating ear 17 is placed between the two connecting ears 12, and the bolt is passed through the rotating ear 17 and the two connecting ears 12. At this time, the rotating ear 17 can rotate around the bolt. When it is rotated to a suitable position, the nut 15 is tightened, and the rotating ear 17 can no longer rotate.

[0033] In a preferred embodiment, the target ball fixing member further includes an extension rod 18 and a clamping device 19, one end of the extension rod 18 is fixedly connected to the rotating ear 17, and the other end is fixedly connected to the clamping device, and the clamping device 19 is used to clamp and fix the target ball of the laser tracker.

[0034] In a preferred embodiment, the clamping device 19 includes a contact surface 20, a bottom surface 22 and a magnet 21. The contact surface 20 is used to place the laser tracker target ball, the bottom side of the bottom surface 22 is used to contact the surface of the rolling mill arch, and the magnet 21 is fixedly connected to the top of the bottom surface 22. The magnet 21 is used to magnetically fix the laser tracker target ball. The clamping device 19 is provided with a bottom surface 22, which is a precision machined surface, and its own flatness is controlled within 0.2.

[0035] In a preferred embodiment, the main material of the device is stainless steel or carbon fiber, which is light and easy to use.

[0036] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An extended measuring rod for measuring a target ball with a laser tracker, characterized in that: include: handle, A telescopic rod, the bottom of which is rotatably connected to the handle and can maintain the position after rotation; as well as A target ball fixing part, the target ball fixing part is hingedly connected to the telescopic rod and can maintain the position after the movement, and the target ball fixing part is used to be detachably fixedly connected to the target ball of the laser tracker; The telescopic rod comprises a main rod and a secondary rod, wherein the secondary rod is sleeved in the main rod and can move along the axis direction of the main rod and maintain the position after the movement, one end of the main rod is rotatably connected to the handle, and the secondary rod is hingedly connected to the target ball fixing member; A rotating rod and an extension rod are provided at one end of the bottom of the main rod near the handle, the rotating rod is fixedly connected to the main rod, and the extension rod is fixedly connected to one end of the rotating rod away from the main rod, the diameter of the extension rod is larger than the diameter of the rotating rod, and the handle also includes a second locking bolt, and a rotating hole and an extension hole are provided on the handle, the diameter of the expansion hole is larger than the diameter of the rotating hole, and the diameter of the extension rod is larger than the diameter of the rotating hole, the extension rod is used to be placed in the expansion hole, the rotating rod is used to be placed in the rotating hole, and a second threaded hole connected to the rotating hole is provided on the handle, the second locking bolt is used to be threadedly connected to the second threaded hole, and rotating the second locking bolt can make the second locking bolt tighten the rotating rod to limit the rotation of the main rod.

2. The extended measuring rod for matching the target ball measuring arch of the laser tracker according to claim 1 is characterized in that: The telescopic rod further comprises a first locking bolt. A first threaded hole is provided at one end of the main rod away from the handle. The first locking bolt is used for being threadedly connected to the first threaded hole and can tighten the auxiliary rod.

3. The extended measuring rod for matching the target ball measuring arch of the laser tracker according to claim 1 is characterized by: It also includes a third locking bolt and a nut. The target ball fixing piece includes a rotating ear. Two connecting ears are provided at one end of the auxiliary rod away from the main rod. Ear holes are provided on the connecting ears. The third locking bolt is used to pass through the two ear holes. The rotating rod is used to sleeve the third locking bolt between the two ear holes. The rod end of the third locking bolt is larger than the diameter of the ear hole. The nut is threadedly connected to the third locking bolt. Rotating the nut can limit the rotation of the rotating ear.

4. The extended measuring rod for matching the target ball measuring arch of the laser tracker according to claim 3 is characterized by: The target ball fixing member also includes an extension rod and a clamping device, one end of the extension rod is fixedly connected to the rotating ear, and the other end is fixedly connected to the clamping device, and the clamping device is used to clamp and fix the laser tracker target ball.

5. The extended measuring rod for matching the target ball measuring arch of the laser tracker according to claim 4 is characterized in that: The clamping device includes a contact surface, a bottom surface and a magnet. The contact surface is used to place the laser tracker target ball. The bottom surface is arranged below the contact surface. The bottom side of the bottom surface is used to contact the surface of the rolling mill arch. The magnet is fixedly connected to the top of the bottom surface. The magnet is used to magnetically fix the laser tracker target ball.

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