CN107036536B - Supporting frame - Google Patents
Supporting frame Download PDFInfo
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- CN107036536B CN107036536B CN201710403825.1A CN201710403825A CN107036536B CN 107036536 B CN107036536 B CN 107036536B CN 201710403825 A CN201710403825 A CN 201710403825A CN 107036536 B CN107036536 B CN 107036536B
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- support arm
- support
- hole
- arm
- supporting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- General Physics & Mathematics (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a support frame, which comprises a base, a first support arm, a second support arm and a support seat, wherein the base comprises a base and a support part, the base is provided with a first surface, and the support part is formed by the first surface protruding outwards; the first support arm is slidably arranged on the support part, one end of the first support arm is arranged outside the support part, one end of the first support arm can move along a first direction to be close to or far away from the support part, and the first support arm is provided with a central axis; one end of the second support arm is arranged at one end of the first support arm, the second support arm moves along a second direction, so that the other end of the second support arm is close to or far away from the first support arm, and the second support arm can rotate around the central axis of the first support arm; the supporting seat is arranged at the other end of the second supporting arm. The support frame can adjust the relative position of displacement sensor and test piece fast accurately to the adjustment of any degree of freedom can not influence the state of other degrees of freedom.
Description
Technical Field
The invention relates to a supporting structure, in particular to a supporting frame for supporting a sensor.
Background
Mechanical parts such as but not limited to aeroengine parts such as blades, pipelines, gears and the like are often required to be subjected to high cycle fatigue test examination, and in the high cycle fatigue test, the table acceleration of a vibration table, the vibration strain and the vibration displacement on a test piece are generally required to be monitored simultaneously. The monitoring of the vibration displacement needs to use a displacement sensor, and a laser displacement sensor can be generally used. In the test process, a laser beam of the laser displacement sensor is aligned to a certain position of the test piece to monitor the vibration displacement of the test piece. The measurement of vibration displacement has requirements on the relative position of the laser displacement sensor and the test piece, and the sensor can be quickly, accurately and conveniently adjusted.
The clamping mode of the existing laser displacement sensor mainly adopts a bolt structure to clamp, a spherical joint structure rotates, and a cylindrical rod-shaped structure moves. All the modes of changing the states of the laser displacement sensors are manual adjustment, so that the sensors are difficult to be accurately adjusted to the ideal states, and the states of other degrees of freedom are inevitably changed when the state of a certain degree of freedom is adjusted, so that the adjustment difficulty of the laser displacement sensors is increased and the adjustment time is prolonged.
The above information disclosed in this background section is only for enhancement of understanding of the background of the invention.
Disclosure of Invention
It is a primary object of the present invention to overcome at least one of the above-mentioned drawbacks of the prior art and to provide a support frame that satisfies the condition that the adjustment of any one degree of freedom does not affect the other degrees of freedom.
In order to achieve the purpose, the invention adopts the following technical scheme:
according to one aspect of the present invention, there is provided a support stand comprising a base, a first support arm, a second support arm and a support base, the base comprising a base having a first surface and a support portion formed by the first surface projecting perpendicularly outwardly; the first support arm is slidably arranged on the support part, the support part is provided with a central through hole extending along the axial direction of the support part, one end of the first support arm is an exposed end which is arranged outside the support part, the other end of the first support arm is an extending end which extends into the central through hole, the first support arm can move along a first direction so that the exposed end is close to or far away from the support part, and the first support arm is provided with a central axis; the second support arm is slidably arranged at the exposed end, moves along a second direction so as to enable the other end of the second support arm to be close to or far away from the first support arm, and can rotate around the central axis of the first support arm; the supporting seat is arranged at the other end of the second supporting arm.
According to a specific embodiment of the present invention, the support frame further includes a hand wheel, the hand wheel has a threaded through hole, the hand wheel is rotatably and axially limited at an end of the support portion, the central through hole is communicated with the threaded through hole, the first support arm is sleeved in the threaded through hole, and the first support arm is provided with an external thread matching with the threaded through hole; the hand wheel and the first support arm are matched as follows: the hand wheel rotates clockwise, and the exposed end of the first support arm moves towards the direction far away from or close to the support part; the hand wheel rotates anticlockwise, and the exposed end of the first support arm moves towards the direction opposite to the moving direction of the hand wheel when the hand wheel rotates clockwise.
According to a specific embodiment of the present invention, the central through hole of the support portion is a stepped hole, a shoulder is disposed on the outer circumferential surface of the hand wheel, the support frame further includes a bearing, an inner ring of the bearing is fixed on the shoulder of the hand wheel, and an outer ring of the bearing is fixed at the stepped portion of the central through hole of the support portion.
According to a specific embodiment of the present invention, the extending end of the first support arm is provided with a limiting portion, and a projection of the limiting portion at least partially protrudes from a projection of the first support arm on a plane perpendicular to the central axis of the first support arm; or the limiting part is an optical axis arranged at the extending end of the first supporting arm, and the cross section size of the optical axis is larger than or equal to that of the external thread.
According to a specific embodiment of the present invention, the supporting frame further includes a first connecting member, the first connecting member includes a first connecting portion and a second connecting portion arranged in an L shape, the first connecting portion has a first through hole, and the first through hole is sleeved on the periphery of the exposed end; the second connecting portion include the stand pipe, the extending direction of stand pipe with the moving direction of second support arm is the same, second support arm slidable ground cover is located in the stand pipe, the periphery of second support arm is provided with one of guide slot and guide rail between them, be provided with in the stand pipe the guide slot with another one of guide rail between them.
According to a specific embodiment of the present invention, the first connecting member further includes a driving member sleeved outside the guide tube, the driving member is rotatably disposed at an outer periphery of the guide tube, the driving member is provided with an internal thread, and an external thread matching the internal thread is disposed outside the guide tube; a cutting groove extending along the moving direction of the second supporting arm is formed in the guide pipe, a convex part matched with the cutting groove is formed in the second supporting arm, the convex part protrudes out of the periphery of the guide pipe, and the convex part slides along the cutting groove; the driving piece comprises a first driving piece and a second driving piece, the convex portion is arranged between the first driving piece and the second driving piece, and two sides of the convex portion are respectively abutted to the end faces of the first driving piece and the second driving piece.
According to an embodiment of the present invention, the first direction is perpendicular to the second direction.
According to an embodiment of the invention, the second support arm has a central axis, and the support base is rotatable about the central axis of the second support arm.
According to a specific embodiment of the present invention, the outer wall of the support portion is provided with a viewing hole, and the viewing hole is communicated with a central through hole extending in the axial direction of the support portion.
According to a specific embodiment of the present invention, the base is provided with a plurality of adjusting screws, the adjusting screws can adjust the height of the base from the ground, and the plurality of adjusting screws are circumferentially and uniformly distributed on the base.
According to the technical scheme, the support frame has the advantages and positive effects that: the support frame can quickly and accurately adjust the relative positions of the displacement sensor and the test piece to meet the test requirement, and the adjustment of any degree of freedom does not influence the states of other degrees of freedom.
Drawings
Various objects, features and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:
FIG. 1 is a block diagram illustrating a support stand according to an exemplary embodiment.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is a partially enlarged view of a portion in circle D of fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 1.
Fig. 5 is a cross-sectional view taken along line C-C in fig. 4.
Fig. 6 is a partially enlarged view of a portion in circle E of fig. 4.
Wherein the reference numerals are as follows:
1. a base; 11. A base;
111. a first surface; 12. A support portion;
2. a first support arm; 3. A hand wheel;
4. a bearing; 5. An inner ring positioning sleeve;
6. an outer ring positioning sleeve; 7. A first connecting member;
8. a second support arm; 10. A supporting seat;
100. a central through hole; 101. An observation hole;
13. adjusting the screw rod; 17. A first driving member;
18. a second driving member; 71. A first free end;
72. a second free end; 73. A first through hole;
74. a guide tube; 81. A convex portion;
31. a hand wheel section; 32. A cylindrical structure;
105. a third free end; 106. A fourth free end;
14. a displacement sensor;
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
FIG. 1 is a block diagram illustrating a support stand according to an exemplary embodiment. Fig. 2 is a sectional view taken along line a-a in fig. 1. Fig. 3 is a partially enlarged view of a portion in circle D of fig. 2. Fig. 4 is a sectional view taken along line B-B in fig. 1. Fig. 5 is a cross-sectional view taken along line C-C in fig. 4. Fig. 6 is a partially enlarged view of a portion in circle E of fig. 4.
Referring to fig. 1 and 2, according to an aspect of the present invention, there is provided a support stand which may include a base 1, a first support arm 2, a second support arm 8, and a support seat 10.
With continued reference to fig. 1 and 2, according to an embodiment of the present invention, the base 1 may include a base 11 and a supporting portion 12 formed by a first surface 111 of the base 11 protruding perpendicularly outward, for example, but not limited to, the supporting portion 12 may be a cylindrical structure, and a bottom of the cylindrical structure may be fixedly connected to the base 11. According to an embodiment of the present invention, for example, but not limited to, the supporting portion 12 may be provided with a central through hole 100, and the central through hole 100 may penetrate the entire supporting portion 12 and the base 11. According to an embodiment of the present invention, the supporting portion 12 may be integrally formed with the base 11, or the supporting portion 12 and the base 11 may be separately formed and then assembled into a whole, which is within the protection scope of the present invention. According to an embodiment of the present invention, the supporting portion 12 is fixed to the base 11 by a fastener.
With continued reference to fig. 1 and 2, in accordance with an embodiment of the present invention, wherein the first support arm 2 is slidably disposed on the support portion 12, for example, but not limited to, the other end of the first support arm 2 may be inserted into the central through hole 100. One end of the first support arm 2 may be exposed outside the support portion 12, so that the second support arm 8 is disposed at the exposed end of the first support arm 2. According to an embodiment of the present invention, the first support arm 2 is movable in a first direction to move the exposed end of the first support arm 2 closer to or further away from the support 12. According to an embodiment of the present invention, the first supporting arm 2 can move along the vertical direction, but not limited thereto. Thus, in the case where the second support arm 8 is fixed to the exposed end of the first support arm 2, it is possible to realize adjustment of only the vertical height of the displacement sensor 14 located at the other end of the second support arm 8 without affecting the other degrees of freedom.
According to an embodiment of the present invention, a plurality of detent structures may be disposed on the first support arm 2, and the detent structures may be uniformly distributed, so that the first support arm 2 is clamped at different heights of the support portion 12, and the first support arm 2 can be precisely clamped at different positions of the support portion 12 by manually stretching or pushing the first support arm 2 outwards, so as to precisely adjust the height of the first support arm 2, but not limited thereto, the movement of the first support arm 2 relative to the support portion 12 may also be driven by other components, such as but not limited to a handwheel 3 described below, and of course, a rack and pinion mating structure, all of which are within the protection scope of the present invention.
Referring to fig. 1 to 3, according to an embodiment of the present invention, the support frame may further include a hand wheel 3, the hand wheel 3 may have a threaded through hole, the hand wheel 3 may be rotatably and axially limited at an end of the support portion 12, and the central through hole 100 may be in communication with the threaded through hole. For example, but not limited to, according to an embodiment of the present invention, wherein the central through hole 100 may be concentrically arranged with the threaded through hole. According to a specific embodiment of the present invention, the first support arm 2 may be provided with an external thread matching the threaded through hole, and the external thread is matched with the threaded through hole, so that the first support arm 2 may be sleeved in the threaded through hole, and when the hand wheel 3 rotates clockwise, the exposed end of the first support arm 2 may move in a direction away from or close to the support portion 12, and since the hand wheel 3 is configured to rotate around the center line of the central through hole 100, the first support arm 2 may only move up and down without rotating, and thus, adjustment of a single degree of freedom of the exposed end may be achieved without affecting other degrees of freedom; as described above, when the hand wheel 3 is rotated counterclockwise in the process of rotating the hand wheel 3, the exposed end of the first support arm 2 can be moved in the opposite direction to the above direction, and the vertical movement of the first support arm 2 can be adjusted by the rotational movement of the hand wheel 3. Furthermore, due to the fact that the first supporting arm 2 is in threaded fit with the hand wheel 3, fine adjustment of up-and-down movement of the first supporting arm 2 can be achieved, and therefore accurate adjustment of the first supporting arm 2 can be achieved.
With continued reference to fig. 2 and 3, according to an embodiment of the present invention, the central through hole 100 of the support portion 12 may be a stepped hole, wherein the inner diameter of the through hole of the end of the support portion 12 away from the base 11 may be larger than the inner diameter of the through hole of the ground base 11 to form a stepped surface between the large-diameter through hole and the small-diameter through hole. According to an embodiment of the present invention, the hand wheel 3 may include a cylindrical structure 32 formed by protruding an end surface of the hand wheel portion 31, an outer circumference of the cylindrical structure 32 may be provided as a stepped shaft, wherein an outer diameter near the hand wheel portion 31 may be larger than an outer diameter far from the hand wheel portion 31 to form a shoulder between the large-diameter shaft and the small-diameter shaft. According to an embodiment of the present invention, the support frame may further include an inner ring positioning sleeve 5, and the inner ring positioning sleeve 5 may be sleeved on the outer periphery of the cylindrical structure 32 to be fixed on the cylindrical structure 32 by a fastener.
With continued reference to fig. 3, in accordance with an embodiment of the present invention, wherein the supporting frame may further include a bearing 4, an outer ring of the bearing 4 may be disposed in the large-diameter through hole, and a diameter of the large-diameter through hole may be the same as a diameter of the outer ring of the bearing 4. According to an embodiment of the present invention, the supporting frame may further include an outer ring positioning sleeve 6, an end surface of one side of the outer ring of the bearing 4 abuts against the stepped surface of the supporting portion 12, and an end surface of the other side abuts against the outer ring positioning sleeve 6, and the outer ring positioning sleeve 6 may be fixed on the supporting portion 12 by a fastener, for example, but not limited to, may be fixed on an end surface of the supporting portion 12. According to an embodiment of the present invention, wherein the fastening member may be a screw, a bolt, a rivet, etc., is within the scope of the present invention. One side end face of the inner ring of the bearing 4 can abut against a shaft shoulder of the hand wheel 3, and the other side end face of the inner ring can abut against the inner ring positioning sleeve 5. According to an embodiment of the present invention, wherein the fastening member may be a screw, a bolt, a rivet, etc., is within the scope of the present invention.
With continued reference to fig. 2, according to an embodiment of the present invention, the extending end of the first support arm 2 may be provided with a limiting portion to prevent the first support arm 2 from separating from the hand wheel 3 during the rotation of the hand wheel 3. According to an embodiment of the present invention, the limiting portion may be a limiting block disposed at the extending end, and at least a portion of a projection of the limiting block protrudes from a projection of the first support arm 2 on a plane perpendicular to a central axis of the first support arm 2, for example, but not limited to, the limiting block may have a rectangular structure, and 4 right angles thereof may protrude from an outer periphery of the first support arm 2 to contact with an end surface of the threaded through hole to limit movement of the first support arm 2, but not limited to, for example, but not limited to, the limiting block may also have a circular shape, an elliptical shape, a triangular shape, or the like, and all fall within the protection scope of the present invention. According to an embodiment of the present invention, the limiting portion may be a part of the first support arm 2, for example, but not limited to, the limiting portion may be an optical axis disposed at the extending end of the first support arm 2, and a cross-sectional dimension of the optical axis is greater than or equal to a cross-sectional dimension of the external thread, so as to block the threaded engagement between the first support arm 2 and the hand wheel 3, so as to limit the first support arm 2.
With continued reference to fig. 1, 2, and 4-6, according to an embodiment of the present invention, one end of the second supporting arm 8 may be disposed at the exposed end of the first supporting arm 2, and the second supporting arm 8 may be moved along the second direction, so that the other end of the second supporting arm 8 may be close to or far from the first supporting arm 2, and the second supporting arm 8 may rotate around the central axis of the first supporting arm 2. According to an embodiment of the present invention, a first connecting member 7 may be disposed on the outer periphery of the exposed end, the first connecting member 7 may include a first connecting portion and a second connecting portion disposed in an L shape, the first connecting portion may have a first through hole 73, and the first through hole 73 may be disposed on the outer periphery of the first support arm 2. According to an embodiment of the present invention, the first connection portion may have an annular structure with an opening, wherein the first free end 71 and the second free end 72 are located at two sides of the opening, and the diameter of the first through hole 73 may be adjusted by adjusting the distance between the first free end 71 and the second free end 72. The distance between the first free end 71 and the second free end 72 is reduced so that the diameter of the first through hole 73 is equal to the outer diameter of the first support arm 2, thereby fixing the first connecting member 7 to the first support arm 2. Increasing the distance between the first free end 71 and the second free end 72 allows the diameter of the first through hole 73 to be larger than the outer diameter of the first support arm 2, and the first connecting member 7 can rotate about the first support arm 2. According to an embodiment of the present invention, the first free end 71 and the second free end 72 may be respectively provided with flanges, through holes may be respectively formed on the flanges, and the distance between the first free end 71 and the second free end 72 may be adjusted by disposing bolts in the through holes, but not limited thereto.
Referring to fig. 2 and 4 to 6, according to an embodiment of the present invention, the second connecting portion is rotatable around the central axis of the first support arm 2, so that the displacement sensor 14 disposed at the other end of the second support arm 8 is rotatable around the central axis of the first support arm 2. The second connecting portion may include a guide tube 74, the extending direction of the guide tube 74 may be the same as the moving direction of the second support arm 8, and the second support arm 8 is slidably sleeved in the guide tube 74. Can rotate around the central axis of first support arm 2 through first connecting portion, can be under the motionless circumstances of first support arm 2, the different positions of the same height of displacement sensor 14 that the adjustment is located the other end of second support arm 8 can satisfy the state that the position of adjustment displacement sensor 14 in the horizontal plane does not influence other degrees of freedom from this.
Referring to fig. 5 and 6, according to an embodiment of the present invention, in the case where the second support arm 8 may be provided with one of a guide groove and a guide rail at an outer circumference thereof, and the guide tube 74 may be provided with the other of the guide groove and the guide rail therein, and the second support arm 8 moves in the second direction, the guide rail may slide in the guide groove, so that the second support arm 8 may be prevented from rotating in the guide tube 74, and in the case where the second support arm 8 does not move on the first support arm 2, the position of the displacement sensor 14 in the second direction may be adjusted, so that a state in which the position of the displacement sensor 14 in the second direction is adjusted without affecting other degrees of freedom may be satisfied. According to an embodiment of the present invention, the guide rails may be arranged in pairs in a radial direction of the guide tube 74 such that the guide tube 74 is concentrically arranged with the second support arm 8. It is within the scope of the present invention that the guide tube 74 may have a pair of guide slots or rails radially distributed therein, two pairs of guide slots or rails may be disposed in a criss-cross pattern, and a pair of guide slots and a pair of rails may be disposed in a criss-cross pattern.
According to an embodiment of the present invention, the second direction may be a horizontal direction, but not limited thereto, for example, but not limited to, the first direction may be at any angle with respect to the second direction, and the present invention is within the protection scope of the present invention.
According to an embodiment of the present invention, a slot extending along the moving direction of the second supporting arm 8 may be provided on the guiding tube 74, a protrusion 81 matching with the slot may be provided on the second supporting arm 8, the protrusion 81 protrudes from the outer circumference of the guiding tube 74, and the protrusion 81 slides along the slot. According to an embodiment of the present invention, the first connecting element 7 further includes a driving element disposed around the guiding tube 74, and the driving element can cooperate with the protrusion 81 to drive the protrusion 81 to move. According to an embodiment of the present invention, the outer circumference of the guide tube 74 may be provided with an external thread, the driving member may be a cylindrical structure, the inner wall of the driving member may be provided with an internal thread matching the external thread, and the relative position between the driving member and the guide tube 74 may be adjusted by rotating the driving member to rotate the driving member on the outer circumference of the guide tube 74, so that the movement of the protrusion 81 may be driven by the movement of the driving member to adjust the position of the second support arm 8 relative to the first support arm 2. According to an embodiment of the present invention, the driving members may include a first driving member 17 and a second driving member 18, the protrusion 81 may be disposed between the first driving member 17 and the second driving member 18, and both sides of the protrusion 81 may abut against end surfaces of the first driving member 17 and the second driving member 18, respectively. Precise adjustment of the boss 81 is achieved due to the threaded engagement between the drive member and the guide tube 74.
Referring to fig. 5, in accordance with an embodiment of the present invention, wherein the second support arm 8 may have a central axis, the support base 10 may be rotatable around the central axis of the second support arm 8. The supporting seat 10 may have a through hole to be sleeved on the second supporting arm 8, the structure of the supporting seat 10 may be similar to that of the first connecting member 7, the supporting seat 10 may have an open circular ring-shaped structure, wherein the circular ring-shaped structure may have a third free end 105 and a fourth free end 106, and the size of the through hole may be adjusted by adjusting the distance between the third free end 105 and the fourth free end 106.
With continued reference to fig. 3, according to an embodiment of the present invention, wherein the outer wall of the support portion 12 is provided with a viewing aperture 101, the viewing aperture 101 may communicate with a central through hole 100 extending in the axial direction of the support portion 12. The observation hole 101 may be used to observe the movement of the first support arm 2 in the support portion 12, or may be used to complete the assembly through the observation hole 101, for example, but not limited to, when the inner ring positioning sleeve 5 on the hand wheel 3 is fixed, a fastener may be fixed to the hand wheel 3 through the observation hole 101, but not limited thereto.
With continued reference to fig. 1 and 2, according to an embodiment of the present invention, an adjusting screw 13 is disposed on the base 11, the adjusting screw 13 can adjust the height of the base 11 from the ground, the number of the adjusting screws 13 may be multiple, and the multiple adjusting screws 13 may be circumferentially and uniformly distributed on the base 11.
The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the above description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
Claims (7)
1. A support frame, comprising:
the base comprises a base and a supporting part, wherein the base is provided with a first surface, and the supporting part is formed by the first surface protruding outwards vertically;
the first support arm is slidably arranged on the support part, the support part is provided with a central through hole extending along the axial direction of the support part, one end of the first support arm is an exposed end which is arranged outside the support part, the other end of the first support arm is an extended end which extends into the central through hole, the first support arm can move along a first direction so that the exposed end is close to or far away from the support part, and the first support arm is provided with a central axis;
the second support arm is slidably arranged at the exposed end and moves along a second direction, so that the other end of the second support arm is close to or far away from the first support arm, and the second support arm can rotate around the central axis of the first support arm; the supporting seat is arranged at the other end of the second supporting arm; the second support arm is provided with a central axis, and the support seat can rotate around the central axis of the second support arm;
the hand wheel is provided with a threaded through hole, the hand wheel is rotatably and axially limited at the end part of the supporting part, the central through hole is communicated with the threaded through hole, the first supporting arm is sleeved in the threaded through hole, and an external thread matched with the threaded through hole is arranged on the first supporting arm; the hand wheel and the first support arm are matched as follows: the hand wheel rotates clockwise, and the exposed end of the first support arm moves towards the direction far away from or close to the support part; the hand wheel rotates anticlockwise, and the exposed end of the first support arm moves towards the direction opposite to the moving direction of the hand wheel when the hand wheel rotates clockwise;
the first connecting piece comprises a first connecting part and a second connecting part which are arranged in an L shape, the first connecting part is provided with a first through hole, and the first through hole is sleeved on the periphery of the exposed end; the second connecting part comprises a guide pipe, the extending direction of the guide pipe is the same as the moving direction of the second supporting arm, the second supporting arm is slidably sleeved in the guide pipe, one of a guide groove and a guide rail is arranged on the periphery of the second supporting arm, and the other of the guide groove and the guide rail is arranged in the guide pipe; the first connecting piece further comprises a driving piece sleeved outside the guide pipe, the driving piece is rotatably arranged on the periphery of the guide pipe, the driving piece is provided with an internal thread, and an external thread matched with the internal thread is arranged outside the guide pipe;
wherein the second connecting portion is rotatable about a central axis of the first support arm so that the displacement sensor provided on the other end of the second support arm is rotatable about the central axis of the first support arm; the first connecting part can rotate around the central axis of the first support arm so as to adjust different positions of the displacement sensor at the other end of the second support arm at the same height under the condition that the first support arm is not moved; the first connecting part is of an annular structure with an opening, a first free end and a second free end of the first connecting part are positioned on two sides of the opening, and the diameter of the first through hole can be adjusted by adjusting the distance between the first free end and the second free end; the supporting seat is provided with a through hole which is sleeved on the second supporting arm, the supporting seat is provided with an open circular ring-shaped structure, the circular ring-shaped structure is provided with a third free end and a fourth free end, and the size of the through hole can be adjusted by adjusting the distance between the third free end and the fourth free end.
2. The support frame of claim 1, wherein the central through hole of the support portion is a stepped hole, a shoulder is disposed on the outer circumferential surface of the hand wheel, the support frame further comprises a bearing, an inner ring of the bearing is fixed on the shoulder of the hand wheel, and an outer ring of the bearing is fixed at the stepped portion of the central through hole of the support portion.
3. The support bracket of claim 1 wherein the extending end of the first support arm is provided with a limiting portion, and a projection of the limiting portion at least partially protrudes from a projection of the first support arm on a plane perpendicular to the central axis of the first support arm; or the limiting part is an optical axis arranged at the extending end of the first supporting arm, and the cross section size of the optical axis is larger than or equal to that of the external thread.
4. The support frame of claim 1, wherein the first connecting member further comprises a driving member sleeved outside the guide tube, the driving member is rotatably disposed on the outer circumference of the guide tube, the driving member is provided with an internal thread, and the guide tube is externally provided with an external thread matching the internal thread; a cutting groove extending along the moving direction of the second supporting arm is formed in the guide pipe, a convex part matched with the cutting groove is formed in the second supporting arm, the convex part protrudes out of the periphery of the guide pipe, and the convex part slides along the cutting groove; the driving piece comprises a first driving piece and a second driving piece, the convex portion is arranged between the first driving piece and the second driving piece, and two sides of the convex portion are respectively abutted to the end faces of the first driving piece and the second driving piece.
5. A support as claimed in any one of claims 1 to 4, wherein said first direction is disposed perpendicular to said second direction.
6. A support as claimed in any one of claims 1 to 4, wherein the outer wall of the support portion is provided with a viewing aperture which communicates with a central through bore extending in the axial direction of the support portion.
7. The supporting rack of any one of claims 1 to 4, wherein the base is provided with a plurality of adjusting screws, the adjusting screws can adjust the height of the base from the ground, and the plurality of adjusting screws are uniformly distributed on the base in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403825.1A CN107036536B (en) | 2017-06-01 | 2017-06-01 | Supporting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107601377B (en) * | 2017-11-01 | 2018-11-13 | 深圳市希莱恒医用电子有限公司 | A kind of efficient mechanical lifting gear |
| CN110094614B (en) * | 2019-06-17 | 2024-04-16 | 河北工业大学 | Sensor support frame capable of bidirectionally adjusting position |
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| CN103003614A (en) * | 2010-06-09 | 2013-03-27 | 科尔布鲁克鲍森桑德斯产品有限公司 | Support system |
| CN203535331U (en) * | 2013-09-26 | 2014-04-09 | 合肥京东方光电科技有限公司 | Substrate transferring manipulator and substrate transferring system |
| CN205120764U (en) * | 2015-11-16 | 2016-03-30 | 国家电网公司 | Adjustable bracing piece |
| CN106270607A (en) * | 2016-08-31 | 2017-01-04 | 南通苏通人防防护设备有限公司 | Method in the boring of the center of rectangular steel plates |
| CN106344175A (en) * | 2016-08-04 | 2017-01-25 | 中国人民解放军第三军医大学第三附属医院 | Fixing device of bronchoscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9316346B2 (en) * | 2010-06-09 | 2016-04-19 | Colebrook Bosson Saunders (Products) Limited | Support system |
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| CN103003614A (en) * | 2010-06-09 | 2013-03-27 | 科尔布鲁克鲍森桑德斯产品有限公司 | Support system |
| CN203535331U (en) * | 2013-09-26 | 2014-04-09 | 合肥京东方光电科技有限公司 | Substrate transferring manipulator and substrate transferring system |
| CN205120764U (en) * | 2015-11-16 | 2016-03-30 | 国家电网公司 | Adjustable bracing piece |
| CN106344175A (en) * | 2016-08-04 | 2017-01-25 | 中国人民解放军第三军医大学第三附属医院 | Fixing device of bronchoscope |
| CN106270607A (en) * | 2016-08-31 | 2017-01-04 | 南通苏通人防防护设备有限公司 | Method in the boring of the center of rectangular steel plates |
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