CN220288559U

CN220288559U - Articulated arm measuring instrument

Info

Publication number: CN220288559U
Application number: CN202321426654.1U
Authority: CN
Inventors: 邰大勇; 王斌
Original assignee: Pmt Technology Suzhou Co ltd
Current assignee: Pmt Technology Suzhou Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-01-02
Anticipated expiration: 2033-06-06

Abstract

The utility model relates to the technical field of mechanical joint arm measurement, and discloses a joint arm measuring instrument which comprises a base clamping ring, wherein a locking mechanism is arranged on the outer side of the base clamping ring, a measuring mechanism is arranged at the top of the base clamping ring, the measuring mechanism comprises a fine adjusting assembly and an extending assembly, the fine adjusting assembly is arranged at the top of the base clamping ring, the extending assembly is arranged on the outer side of the fine adjusting assembly, the locking mechanism comprises a clamping block, the clamping block is fixedly arranged on the outer side of the base clamping ring, and a first bolt is arranged on the right side of the clamping block in a threaded manner. The base snap ring is clamped at the rotating position of the bottom end of the mechanical arm through manual unlocking of the canvas belt, the base snap ring is fixed at the bottom end of the mechanical arm through the first rotating bolt, the base snap ring is attached to the mechanical arm through manual rotation of the first measuring rod and the second measuring rod after fixing is completed, the length of the joint arm is adjusted through measurement, and therefore the base snap ring is lighter and more complete during re-measurement, and measurement efficiency is higher.

Description

Articulated arm measuring instrument

Technical Field

The utility model relates to the technical field of mechanical joint arm measurement, in particular to a joint arm measuring instrument.

Background

The portable three-coordinate measuring instrument with articulated arm may be used in workshop and metering laboratory to measure three coordinates of mold, large machine, airplane, automobile, etc.

According to the utility model, the utility model discloses a high-adjustability joint arm measuring device (CN 212340112U) which is disclosed by a patent net, and the high-adjustability joint arm measuring device comprises a base, wherein one side of the top end of the base is provided with a positioning hole, the inner wall of the positioning hole is movably provided with a movable column, the top end of the movable column is fixedly connected with a gear, the top end of the gear is fixedly connected with a fixed disc, the top end of the base is slidably connected with a U-shaped frame, one side of the inner wall of the U-shaped frame is uniformly provided with a rack, the top end of the fixed disc is fixedly provided with a fixed plate, the U-shaped frame is driven by a hydraulic rod to drive the gear to rotate by a corresponding angle when horizontally moving on the base, so that the fixed plate and the joint arm measuring device can be driven to rotate by a corresponding angle, the measuring range of the joint arm measuring device can be enhanced, and simultaneously, the movable block can slide up and down correspondingly in a sliding groove through a motor, so that the use height of the joint arm measuring device can be adjusted according to requirements, and the coordinates can be positioned more accurately.

With respect to the above description, the applicant believes that the following problems exist:

in the use process of the device, the bottom of the joint arm is fixed, so that the device cannot fix the measuring instrument on the outer side of the joint arm, and the position of the measuring instrument cannot be well adjusted when the joint arm is used for measuring in the adjusting direction, so that the measuring process is very complicated, and more time is consumed for measuring.

Disclosure of Invention

The present utility model is directed to an articulated arm measuring instrument, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the joint arm measuring instrument comprises a base clamping ring, wherein a locking mechanism is arranged on the outer side of the base clamping ring, and a measuring mechanism is arranged at the top of the base clamping ring;

the measuring mechanism comprises a fine tuning assembly and an extension assembly, wherein the fine tuning assembly is arranged at the top of the base clamping ring, and the extension assembly is arranged at the outer side of the fine tuning assembly.

Preferably, the locking mechanism comprises a clamping block, the clamping block is fixedly arranged on the outer side of the base clamping ring, a first bolt is arranged on the right side of the clamping block in a threaded mode, a limit baffle is arranged on the outer side of the first bolt in a threaded mode, a rack is arranged on the left side of the limit baffle in a rotary mode, and a canvas strap is clamped inside the clamping block and can be fixed.

Preferably, the canvas belt penetrates through the clamping block, the first bolt penetrates through the right side of the clamping block, and the limiting shaft is slidably arranged on the right side of the clamping block to limit the fixed adjustment.

Preferably, the fine tuning assembly comprises a rotating shaft, the rotating shaft is rotatably arranged at the top of the base snap ring, one end of the rotating shaft, far away from the base snap ring, is rotatably provided with a rectangular block, the inner side of the rectangular block is slidably provided with a telescopic hinge seat, the top thread of the telescopic hinge seat is provided with a second bolt, the outer side of the second bolt is provided with a circular baffle, and the joint of the mechanical large arm can be measured.

Preferably, the sliding groove is formed in the top of the rectangular block, and the telescopic hinge base is slidably mounted in the sliding groove to limit the joint of the measuring mechanical arm.

Preferably, the extension assembly comprises a measuring rod II, the measuring rod II is rotatably arranged inside the telescopic hinge seat, an extension arm is slidably arranged inside the measuring rod II, a ball head rod is fixedly arranged at one end of the extension arm, which is far away from the measuring rod II, a graduated scale is fixedly arranged at the outer side of the measuring rod, a measuring rod I is rotatably arranged at one end of the ball head rod, which is far away from the extension arm, a rectangular baffle is fixedly arranged at one end of the measuring rod I, a threaded knob is arranged at the outer side of the extension arm in a threaded manner, and the joint of the mechanical small arm can be measured.

Preferably, the second measuring rod is internally provided with a sliding groove, the extension arm is slidably mounted in the sliding groove, the threaded knob penetrates through the outer side of the second measuring rod, and the top of the extension arm is provided with a scale pointer to limit the joint of the small arm of the measuring machine.

Compared with the prior art, the utility model provides the articulated arm measuring instrument, which has the following beneficial effects:

1. according to the articulated arm measuring instrument, the canvas belt is loosened manually, the base clamping ring is clamped at the rotating position of the bottom end of the mechanical arm, the base clamping ring is fixed at the bottom end of the mechanical arm through the first rotating bolt, the first measuring rod and the second measuring rod are manually rotated after fixing is completed, the base clamping ring is attached to the mechanical arm, the length of the articulated arm is adjusted through the adjustment of the length of the articulated arm, and therefore the measuring instrument is lighter and more complete during re-measurement, and the measuring efficiency is higher.

2. This articulated arm measuring apparatu is through rotating bolt one, when rotating bolt one pass through with limit baffle between the screw thread installation for limit baffle removes, through with rack between fixed mounting when limit baffle removes, make the rack remove, can fix the canvas area when the rack removes, like this when measuring its mechanical articulated arm, fix according to different base heights, make fixed faster.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of a locking mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a measuring mechanism according to the present utility model;

FIG. 4 is a schematic diagram of a trimming assembly according to the present utility model;

FIG. 5 is a schematic view of the structure of the extension assembly of the present utility model.

In the figure: 1. a base snap ring; 2. a locking mechanism; 3. a measuring mechanism; 31. a fine tuning assembly; 32. an extension assembly; 21. a first bolt; 22. a limit baffle; 23. a rack; 24. a clamping block; 25. a canvas belt; 311. a second bolt; 312. a rotating shaft; 313. rectangular blocks; 314. a circular baffle; 315. a telescopic hinge base; 321. a graduated scale; 322. an extension arm; 323. a ball head rod; 324. measuring rod I; 325. a measuring rod II; 326. a threaded knob; 327. rectangular baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1-5, the present utility model provides a technical solution: the joint arm measuring instrument comprises a base clamping ring 1, wherein a locking mechanism 2 is arranged on the outer side of the base clamping ring 1, and a measuring mechanism 3 is arranged on the top of the base clamping ring 1;

the measuring mechanism 3 comprises a fine tuning assembly 31 and an extension assembly 32, wherein the fine tuning assembly 31 is arranged at the top of the base clamping ring 1, and the extension assembly 32 is arranged outside the fine tuning assembly 31.

The locking mechanism 2 comprises a clamping block 24, the clamping block 24 is fixedly arranged on the outer side of the base clamping ring 1, a first bolt 21 is arranged on the right side of the clamping block 24 in a threaded mode, a limit baffle 22 is arranged on the outer side of the first bolt 21 in a threaded mode, a rack 23 is rotatably arranged on the left side of the limit baffle 22, and a canvas belt 25 is clamped inside the clamping block 24 and can be fixed.

The canvas belt 25 penetrates through the clamping block 24, the first bolt 21 penetrates through the right side of the clamping block 24, the limiting shaft is slidably arranged on the right side of the clamping block 24, and the fixing adjustment is limited.

Example two

Referring to fig. 4, in combination with the first embodiment, further obtained, the fine adjustment assembly 31 includes a rotation shaft 312, the rotation shaft 312 is rotatably mounted on the top of the base snap ring 1, a rectangular block 313 is rotatably mounted on one end of the rotation shaft 312 away from the base snap ring 1, a telescopic hinge seat 315 is slidably mounted in the rectangular block 313, a second bolt 311 is mounted on the top of the telescopic hinge seat 315 in a threaded manner, and a circular baffle 314 is mounted on the outer side of the second bolt 311 in a threaded manner, so that the large arm joint can be measured.

The sliding groove is formed in the top of the rectangular block 313, and the telescopic hinge base 315 is slidably mounted in the sliding groove to limit the joint of the measuring arm.

The extension assembly 32 comprises a second measuring rod 325, the second measuring rod 325 is rotatably arranged inside the telescopic hinge seat 315, an extension arm 322 is slidably arranged inside the second measuring rod 325, a ball head rod 323 is fixedly arranged at one end of the extension arm 322, which is far away from the second measuring rod 325, a graduated scale 321 is fixedly arranged at the outer side of the second measuring rod 325, a first measuring rod 324 is rotatably arranged at one end of the ball head rod 323, which is far away from the extension arm 322, a rectangular baffle 327 is fixedly arranged at one end, which is far away from the second measuring rod 325, of the first measuring rod 324, a threaded knob 326 is arranged at the outer side of the extension arm 322 in a threaded manner, and the small arm joint can be measured.

The second measuring rod 325 is internally provided with a sliding groove, the extension arm 322 is slidably arranged in the sliding groove, the threaded knob 326 penetrates through the outer side of the second measuring rod 325, and the top of the extension arm 322 is provided with a scale pointer to limit the joint of the measuring forearm.

In the actual operation process, when the device is used, the first bolt 21 is manually rotated, the limiting baffle 22 is moved through threaded installation with the limiting baffle 22, the limiting baffle 22 is fixedly installed with the rack 23, and the rack 23 is moved, so that the canvas belt 25 can be unfastened, the canvas belt 25 is manually fixed at the rotating position of the mechanical joint arm base, the canvas belt 25 passes through the clamping block 24, the first bolt 21 is manually rotated when the canvas belt 25 passes through the clamping block 24, and the rack 23 is driven to fix the canvas belt 25 when the first bolt 21 is rotated;

when the fixing is completed, the graduated scale 321 is manually held, the graduated scale 321 is attached to the large arm of the mechanical joint, the threaded knob 326 is manually rotated, the threaded mounting between the threaded knob 326 and the extending arm 322 is used for loosening the extending arm 322 and the second measuring rod 325, the extending arm 322 is manually stretched to adjust the length between the second measuring rod 325 and the extending arm 322, the threaded knob 326 is manually rotated to fix the length when the length is adjusted to the same length of the large arm of the mechanical joint, the first measuring rod 324 is manually rotated when the fixing is completed, the first measuring rod 324 is attached to the small arm of the mechanical joint when the first measuring rod 324 is rotated, the length between the first measuring rod 324 and the rectangular baffle 327 is adjusted, the rectangular baffle 327 is equal to the small arm of the mechanical joint, the outer side knob of the first measuring rod 324 is rotated to fix the small arm of the mechanical joint, the corresponding data between the pointer at the top of the extending arm 322 and the graduated scale 321 are observed, and the length data are obtained by observing the corresponding data between the pointer at the outer side of the first measuring rod 324 and the graduated scale 321.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. The utility model provides an articulated arm measuring apparatu, includes base snap ring (1), its characterized in that: the outer side of the base clamping ring (1) is provided with a locking mechanism (2), and the top of the base clamping ring (1) is provided with a measuring mechanism (3);

the measuring mechanism (3) comprises a fine adjustment assembly (31) and an extension assembly (32), wherein the fine adjustment assembly (31) is arranged at the top of the base clamping ring (1), and the extension assembly (32) is arranged outside the fine adjustment assembly (31).

2. An articulated arm surveying instrument according to claim 1, wherein: the locking mechanism (2) comprises a clamping block (24), the clamping block (24) is fixedly arranged on the outer side of the base clamping ring (1), a first bolt (21) is arranged on the right side of the clamping block (24) in a threaded mode, a limit baffle (22) is arranged on the outer side of the first bolt (21) in a threaded mode, a rack (23) is rotatably arranged on the left side of the limit baffle (22), and a canvas belt (25) is fixedly connected inside the clamping block (24).

3. An articulated arm surveying instrument according to claim 2, wherein: the canvas belt (25) penetrates through the clamping block (24), the first bolt (21) penetrates through the right side of the clamping block (24), and the limiting shaft is slidably installed on the right side of the clamping block (24).

4. An articulated arm surveying instrument according to claim 1, wherein: the fine adjustment assembly (31) comprises a rotating shaft (312), the rotating shaft (312) is rotatably arranged at the top of the base clamping ring (1), one end, away from the base clamping ring (1), of the rotating shaft (312) is rotatably provided with a rectangular block (313), the inner side of the rectangular block (313) is slidably provided with a telescopic hinge seat (315), the top of the telescopic hinge seat (315) is provided with a second bolt (311) in a threaded manner, and the outer side of the second bolt (311) is provided with a circular baffle (314) in a threaded manner.

5. The articulated arm surveying instrument according to claim 4, wherein: the top of the rectangular block (313) is provided with a sliding groove, and the telescopic hinge base (315) is slidably arranged in the sliding groove.

6. An articulated arm surveying instrument according to claim 1, wherein: the extension assembly (32) comprises a measuring rod II (325), the measuring rod II (325) is rotatably mounted inside the telescopic hinge seat (315), an extension arm (322) is slidably mounted inside the measuring rod II (325), a ball head rod (323) is fixedly mounted at one end of the extension arm (322) far away from the measuring rod II (325), a graduated scale (321) is fixedly mounted at the outer side of the measuring rod II (325), a measuring rod I (324) is rotatably mounted at one end of the ball head rod (323) far away from the extension arm (322), a rectangular baffle (327) is fixedly mounted at one end of the measuring rod I (324) far away from the measuring rod II (325), and a threaded knob (326) is mounted on the outer side of the extension arm (322) in a threaded manner.

7. The articulated arm surveying instrument according to claim 6, wherein: the measuring rod II (325) is internally provided with a sliding groove, the extension arm (322) is slidably arranged in the sliding groove, the threaded knob (326) penetrates through the outer side of the measuring rod II (325), and the top of the extension arm (322) is provided with a scale pointer.