CN210426339U - Articulated arm measuring machine - Google Patents
Articulated arm measuring machine Download PDFInfo
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- CN210426339U CN210426339U CN201921536363.1U CN201921536363U CN210426339U CN 210426339 U CN210426339 U CN 210426339U CN 201921536363 U CN201921536363 U CN 201921536363U CN 210426339 U CN210426339 U CN 210426339U
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Abstract
The utility model relates to the technical field of coordinate measuring machines, in particular to a joint arm measuring machine, which solves the problems that the measuring arms of the joint arm measuring machine in the prior art are all fixed with fixed arm length, when the joint arm measuring machine adopting the structure measures small-sized parts, the measuring space of the measuring device is often much larger than the measured part, which causes the measuring space redundancy and reduces the measuring precision, the measuring device comprises a supporting base, the outer side of the first connecting arm is respectively provided with a fixed block and a guide sliding rail, and one end of the first connecting arm is provided with a movable groove, a second connecting arm is arranged in the movable groove, one end of the second connecting arm is provided with a measuring head, and the outside fixed mounting of second linking arm has the connecting block that matches with the direction slide rail, one side fixed mounting of connecting block has the second screwed pipe, the internal thread of second screwed pipe is connected with the threaded rod that runs through the fixed block.
Description
Technical Field
The utility model relates to a coordinate measuring machine technical field especially relates to a joint arm measuring machine.
Background
The knuckle arm measuring machine is a non-orthogonal coordinate measuring instrument, compared with the traditional orthogonal coordinate measuring machine, the knuckle arm measuring machine has a space series structure, so that the measuring machine has the characteristics of large degree of freedom, wide measuring space, flexibility and convenience in operation, suitability for field measurement and the like.
The measuring arms of the existing articulated arm measuring machine are all fixed with the arm length, when the articulated arm measuring machine adopting the structure is used for measuring small-size parts, the measuring space of the articulated arm measuring machine is often much larger than that of the measured parts, so that the measuring space redundancy is caused, and the measuring precision is reduced; and the height of the measuring machine is fixed, so that the application range of the measuring machine is greatly limited. To this end, an articulated arm measuring machine is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the measuring arms of the existing articulated arm measuring machine in the prior art are all fixed arm length, and when the articulated arm measuring machine adopting the structure measures small-size parts, the measuring space of the articulated arm measuring machine is often much larger than that of the measured parts, which causes the redundancy of the measuring space and reduces the measuring precision; and the height of the measuring machine is fixed, so that the application range of the measuring machine is greatly limited.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a joint arm measuring machine, includes and supports the base, the last fixed surface who supports the base installs the cavity post, the inside of cavity post is provided with first screwed pipe, the upper end of first screwed pipe is rotated and is connected with first linking arm, the outside of first linking arm is provided with fixed block and direction slide rail respectively, just movable groove has been seted up to the one end of first linking arm, the inside in movable groove is provided with the second linking arm, the one end of second linking arm is provided with the gauge head, just the outside fixed mounting of second linking arm has the connecting block that matches with the direction slide rail, one side fixed mounting of connecting block has the second screwed pipe, the internal thread of second screwed pipe has the threaded rod that runs through the fixed block, the one end fixed mounting of threaded rod has the operation hand wheel.
Preferably, the second threaded pipe is fixed with the connecting block through welding, and the threaded rod is connected with the fixing block through a bearing.
Preferably, the outer side of the second connecting arm is provided with scales, and the second connecting arm and the connecting block are fixed through welding.
Preferably, a guide sliding groove is formed in the inner side of the first connecting arm, and a pulley matched with the guide sliding groove is fixedly mounted on the outer side of the second connecting arm.
Preferably, the inner side of the first threaded pipe is in threaded connection with a threaded column connected with the support base, a first gear is fixedly mounted on the outer side of the threaded column, a mounting hole is formed in the outer side of the cavity column, and a second gear meshed with the first gear is arranged on the inner side of the mounting hole.
Preferably, the second gear is connected with the cavity column through a rotating shaft, and the threaded column is connected with the supporting base through a bearing.
Preferably, the first threaded pipe and the cavity column are both in a rectangular structure, and the cavity column and the support base are fixed through welding.
The utility model has the advantages that:
1. the utility model discloses a rotate the operation hand wheel, drive the threaded rod and rotate, realize that the second screwed pipe in the outside drives the second linking arm and removes, reach the effect of adjusting first linking arm and second linking arm total length, can not cause measurement space redundancy, increased measurement accuracy.
2. The utility model provides a be connected through pulley and direction spout between second linking arm and the first linking arm, can reduce the second linking arm when removing and the frictional force between the first linking arm, reduce wearing and tearing, increase life.
3. The utility model discloses a rotate the second gear, drive the screw thread post through first gear connection and rotate, simultaneously under the mating reaction of cavity post, realize that the first screwed pipe of adjustment goes up and down, reach the effect of adjustment height of measurement for the application range maximize of measuring machine.
Drawings
Fig. 1 is a schematic structural view of a joint arm measuring machine according to the present invention;
fig. 2 is a partial enlarged view of a portion a of the articulated arm measuring machine according to the present invention;
fig. 3 is a partial enlarged view of a part B of the articulated arm measuring machine according to the present invention.
In the figure: the measuring device comprises a support base 1, a first gear 2, a threaded column 3, a first threaded pipe 4, a cavity column 5, a first connecting arm 6, an operating hand wheel 7, a threaded rod 8, a fixed block 9, a second threaded pipe 10, a connecting block 11, a guide sliding rail 12, scales 13, a second connecting arm 14, a measuring head 15, a guide sliding groove 16, a pulley 17, an installation hole 18, a second gear 19 and a movable groove 20.
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.
Referring to fig. 1-3, a joint arm measuring machine includes a supporting base 1, a cavity column 5 is fixedly installed on the upper surface of the supporting base 1, a first threaded pipe 4 is arranged inside the cavity column 5, the upper end of the first threaded pipe 4 is rotatably connected with a first connecting arm 6, a fixed block 9 and a guide slide rail 12 are respectively arranged on the outer side of the first connecting arm 6, a movable groove 20 is formed in one end of the first connecting arm 6, a second connecting arm 14 is arranged inside the movable groove 20, a measuring head 15 is arranged at one end of the second connecting arm 14, a connecting block 11 matched with the guide slide rail 12 is fixedly installed on the outer side of the second connecting arm 14, a second threaded pipe 10 is fixedly installed on one side of the connecting block 11, a threaded rod 8 penetrating through the fixed block 9 is connected to the inner thread of the second threaded pipe 10, and an operation hand wheel 7 is fixedly installed at one end.
Further, the second threaded pipe 10 and the connecting block 11 are fixed through welding, the threaded rod 8 and the fixing block 9 are connected through a bearing, the second threaded pipe 10 and the connecting block 11 are firmly connected, the threaded rod 8 can rotate according to requirements, the position of the fixing block 9 is adjusted, and the total length of the second connecting arm 14 and the first connecting arm 6 is adjusted.
Further, scale 13 has been seted up in the outside of second linking arm 14, and passes through welded fastening between second linking arm 14 and the connecting block 11, improves the precision of adjusting second linking arm 14, makes firm in connection between second linking arm 14 and the connecting block 11.
Furthermore, a guide sliding groove 16 is formed in the inner side of the first connecting arm 6, and a pulley 17 matched with the guide sliding groove 16 is fixedly mounted on the outer side of the second connecting arm 14, so that the second connecting arm 14 is supported, and friction between the second connecting arm 14 and the first connecting arm 6 is prevented.
Further, the inner side of the first threaded pipe 4 is in threaded connection with a threaded column 3 connected with the support base 1, a first gear 2 is fixedly mounted on the outer side of the threaded column 3, a mounting hole 18 is formed in the outer side of the cavity column 5, and a second gear 19 meshed with the first gear 2 is arranged on the inner side of the mounting hole 18, so that the measuring height of the measuring machine can be adjusted conveniently.
Further, the second gear 19 is connected with the cavity column 5 through a rotating shaft, and the threaded column 3 is connected with the support base 1 through a bearing, so that the second gear 19 and the threaded column 3 can be conveniently rotated.
Further, the first threaded pipe 4 and the cavity column 5 are both in a rectangular structure, and the cavity column 5 and the support base 1 are fixed through welding, so that the cavity column 5 and the support base 1 are firmly connected.
In the embodiment, when the adjusting device is used, the adjusting device is firstly placed in a working area, then the total length of the first connecting arm 6 and the second connecting arm 14 is adjusted according to requirements, the operating hand wheel 7 is used for rotating the threaded rod 8 to drive the second threaded pipe 10 on the outer side to drive the connecting block 11 to drive the second connecting arm 14 to move, at the moment, the pulley 17 connected with the second connecting arm 14 rolls in the guide sliding groove 16, and when the adjusting device is used for adjusting, the adjusting accuracy can be improved by observing the scales 13; and finally, adjusting the height of the measuring machine according to the requirement, rotating a second gear 19, wherein the second gear 19 drives the threaded column 3 connected through the first gear 2 to rotate, and drives the first threaded pipe 4 at the outer side to lift under the action of the rectangular cavity column 5.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The articulated arm measuring machine comprises a supporting base (1) and is characterized in that a cavity column (5) is fixedly installed on the upper surface of the supporting base (1), a first threaded pipe (4) is arranged inside the cavity column (5), a first connecting arm (6) is rotatably connected to the upper end of the first threaded pipe (4), a fixed block (9) and a guide sliding rail (12) are respectively arranged on the outer side of the first connecting arm (6), a movable groove (20) is formed in one end of the first connecting arm (6), a second connecting arm (14) is arranged inside the movable groove (20), a measuring head (15) is arranged at one end of the second connecting arm (14), a connecting block (11) matched with the guide sliding rail (12) is fixedly installed on the outer side of the second connecting arm (14), a second threaded pipe (10) is fixedly installed on one side of the connecting block (11), the internal thread of the second threaded pipe (10) is connected with a threaded rod (8) penetrating through a fixing block (9), and one end of the threaded rod (8) is fixedly provided with an operating hand wheel (7).
2. The articulated arm measuring machine according to claim 1, wherein the second threaded pipe (10) is fixed to the connecting block (11) by welding, and the threaded rod (8) is connected to the fixing block (9) by a bearing.
3. The articulated arm measuring machine according to claim 1, wherein the second connecting arm (14) has a scale (13) on the outer side thereof, and the second connecting arm (14) and the connecting block (11) are fixed by welding.
4. The articulated arm measuring machine according to claim 1, wherein the first connecting arm (6) has a guide chute (16) formed on an inner side thereof, and the second connecting arm (14) has a pulley (17) fixedly mounted on an outer side thereof to match the guide chute (16).
5. The articulated arm measuring machine according to claim 1, wherein the inner side of the first threaded pipe (4) is connected with a threaded column (3) connected with the support base (1) in a threaded manner, a first gear (2) is fixedly mounted on the outer side of the threaded column (3), a mounting hole (18) is formed in the outer side of the cavity column (5), and a second gear (19) meshed with the first gear (2) is arranged on the inner side of the mounting hole (18).
6. An articulated arm measuring machine according to claim 5, characterized in that the second gear wheel (19) is connected to the cavity post (5) by a rotating shaft and the threaded post (3) is connected to the support base (1) by a bearing.
7. The articulated arm measuring machine according to claim 1, wherein the first threaded pipe (4) and the cavity column (5) are both rectangular, and the cavity column (5) and the support base (1) are fixed by welding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921536363.1U CN210426339U (en) | 2019-09-17 | 2019-09-17 | Articulated arm measuring machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921536363.1U CN210426339U (en) | 2019-09-17 | 2019-09-17 | Articulated arm measuring machine |
Publications (1)
Publication Number | Publication Date |
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CN210426339U true CN210426339U (en) | 2020-04-28 |
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Family Applications (1)
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CN201921536363.1U Active CN210426339U (en) | 2019-09-17 | 2019-09-17 | Articulated arm measuring machine |
Country Status (1)
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CN (1) | CN210426339U (en) |
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2019
- 2019-09-17 CN CN201921536363.1U patent/CN210426339U/en active Active
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