CN212747830U

CN212747830U - Adjustable LVDT support frame of high degree of freedom

Info

Publication number: CN212747830U
Application number: CN202021071722.3U
Authority: CN
Inventors: 樊卓志; 温树文; 张书彦; 张鹏
Original assignee: Guangdong Shuyan Material Gene Innovation Technology Co ltd; Centre Of Excellence For Advanced Materials
Current assignee: Guangdong Shuyan Material Gene Innovation Technology Co ltd; Centre Of Excellence For Advanced Materials
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-19
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a high-freedom adjustable LVDT support frame, which comprises a height adjusting component, a pipe clamp, a round pipe, a vertical support, a horizontal support, a rotating connecting rod, a connecting piece, an installation component and a plurality of locking pieces, wherein the pipe clamp is fixed on the height adjusting component, the round pipe is sleeved on the pipe clamp and can rotate and move relative to the pipe clamp, the locking pieces enable the round pipe to be locked relative to the pipe clamp, the vertical support is rotationally connected with the round pipe, the locking pieces enable the vertical support to be locked with the round pipe, the vertical support is slidably connected with the horizontal support, the locking pieces enable the vertical support to be locked with the horizontal support, the rotating connecting rod is rotationally connected with the horizontal support, the locking pieces enable the rotating connecting rod to be locked with the horizontal support, the connecting piece is installed on the rotating connecting rod and can rotate in a circumferential direction, the installation component is fixedly installed, the operation is simple, the use is convenient, and when the disassembly is needed, the disassembly can be completed by unscrewing the locking piece.

Description

Adjustable LVDT support frame of high degree of freedom

Technical Field

The utility model relates to a support frame especially relates to an adjustable LVDT support frame of high degree of freedom.

Background

The LVDT (linear variable differential transformer) displacement sensor is used for measuring the displacement of an object, the steel core in the middle of the LVDT can stretch out and draw back under the action of external force, and when the LVDT is used, the end part of the steel core is propped against the surface of the object to be measured, so that the deformation of the object can be measured in real time. The LVDT needs to have its housing fixed before use. At present, LVDT manufacturers only provide cutting sleeves for fixing the LVDT and do not provide corresponding supports. In the actual test process, the parts to be tested are mostly special-shaped pieces, and in order to measure the deformation displacement of the concerned point, the support for supporting the LVDT needs to have higher degree of freedom and be convenient to move and disassemble. The existing LVDT support has low degree of freedom and is inconvenient to move and disassemble during use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a LVDT support frame which has high degree of freedom and is convenient to move and disassemble during use.

The purpose of the utility model is realized by adopting the following technical scheme:

a high-freedom adjustable LVDT support frame comprises a height adjusting component, a pipe clamp, a round pipe, a vertical support, a horizontal support, a rotating connecting rod, a connecting piece, a mounting component and a plurality of locking pieces, wherein the pipe clamp is fixed on the height adjusting component, the round pipe is sleeved on the pipe clamp and can rotate and move relative to the pipe clamp, the locking pieces enable the round pipe to be locked relative to the pipe clamp, the vertical support is rotationally connected with the round pipe, the locking pieces enable the vertical support to be locked with the round pipe, the vertical support is slidably connected with the horizontal support, the locking pieces enable the vertical support to be locked with the horizontal support, the rotating connecting rod is rotationally connected with the horizontal support, the locking pieces enable the rotating connecting rod to be locked with the horizontal support, the connecting piece is mounted on the rotating connecting rod and can rotate annularly, the mounting assembly is fixedly mounted on the connecting piece.

Further, the height adjusting assembly comprises a base, a base support and a movable support, the base support is fixedly connected with the base, and the movable support is slidably connected with the base support.

Furthermore, the base support and the movable support are both provided with first sliding grooves, and the locking piece penetrates through the two first sliding grooves to be matched with the nut, so that the base support and the movable support are locked.

Further, the base support and the movable support are both channel steel.

Further, the pipe clamp comprises a first buckling part, a second buckling part and a fastening piece, the first buckling part is fixed on the height adjusting assembly, the round pipe is located between the first buckling part and the second buckling part, the fastening piece penetrates through the second buckling part and is fixed with the first buckling part, and the round pipe is locked between the first buckling part and the second buckling part.

Further, the pipe strap still includes the gasket, the gasket is annular rubber pad, the gasket cover is located the pipe, the gasket be located the pipe with between the pipe strap.

Further, the pipe includes body and first flange stiff end, first flange stiff end is fixed in body one end, vertical support includes main part and second flange stiff end, the second flange stiff end is fixed in the main part tip, first flange stiff end with the second flange stiff end rotates to be connected, the locking piece with first flange stiff end reaches mounting groove cooperation on the second flange stiff end makes first flange stiff end reaches the locking of second flange stiff end.

Further, the connecting piece includes U-shaped piece and pivot, the pivot is fixed in the U-shaped piece, it is equipped with the mounting hole to rotate the connecting rod, the pivot install in the mounting hole can rotate around the axial, the U-shaped piece is equipped with mounting groove and fixed orifices, installation component is including connecting the flat board, connect the flat board install in the mounting groove, the locking piece passes the fixed orifices makes it is fixed in to connect the flat board the U-shaped piece.

Further, the installation component further comprises two fixing rings, each fixing ring is slidably installed on the connecting flat plate, and the locking pieces fix the fixing rings on the connecting flat plate.

Compared with the prior art, the utility model has the advantages that the height of the movable support of the high-freedom adjustable LVDT support frame can be adjusted relative to the base, the pipe clamp is fixed on the height adjusting component, the round pipe is sleeved on the pipe clamp and can rotate and move relative to the pipe clamp, the locking piece enables the round pipe to be locked relative to the pipe clamp, the vertical support is rotationally connected with the round pipe, the locking piece enables the vertical support to be locked with the round pipe, the vertical support is slidably connected with the horizontal support, the locking piece enables the vertical support to be locked with the horizontal support, the rotating connecting rod is rotationally connected with the horizontal support, the locking piece enables the rotating connecting rod to be locked with the horizontal support, the connecting piece, just can carry out the regulation of each degree of freedom through the locking piece of unscrewing, adjust the back again screw the locking piece can, easy operation, convenient to use when needing to dismantle, unscrew the locking piece and accomplish the dismantlement promptly.

Drawings

Fig. 1 is a perspective view of the high-degree-of-freedom adjustable LVDT support of the present invention;

FIG. 2 is an enlarged view of the high degree of freedom adjustable LVDT support frame of FIG. 1 at A;

FIG. 3 is an enlarged view of the high degree of freedom adjustable LVDT support frame B of FIG. 1;

FIG. 4 is an enlarged view of the high degree of freedom adjustable LVDT support C of FIG. 1;

FIG. 5 is a partial exploded view of the high degree of freedom adjustable LVDT support of FIG. 1;

fig. 6 is a perspective view of a connector of the high degree of freedom adjustable LVDT support in fig. 1.

In the figure: 10. a height adjustment assembly; 11. a base; 12. a base support; 13. moving the support; 130. a first chute; 20. a pipe clamp; 21. a first fastening part; 22. a second fastening part; 23. a fastener; 24. a gasket; 30. a circular tube; 31. a pipe body; 32. a first flange fixing end; 40. a vertical support; 41. a main body; 42. a second flange fixing end; 50. a horizontal support; 51. a second chute; 60. rotating the connecting rod; 61. mounting holes; 70. a connecting member; 71. a U-shaped block; 710. mounting grooves; 711. a fixing hole; 72. a rotating shaft; 80. mounting the component; 81. connecting the flat plates; 82. and (4) fixing the ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, the LVDT support with high degree of freedom according to the present invention includes a height adjusting assembly 10, a pipe clamp 20, a circular pipe 30, a vertical bracket 40, a horizontal bracket 50, a rotating link 60, a connecting member 70, a mounting assembly 80 and a locking member.

The height adjustment assembly 10 includes a base 11, a base bracket 12, and a moving bracket 13. The base 11 is disc-shaped. The base 11 is fixed at the bottom of the base bracket 12. The base support 12 and the movable support 13 are both channel steel and have a U-shaped cross section. The base support 12 and the movable support 13 are both provided with a first sliding chute 130, a part of the movable support 13 is accommodated in the base support 12, and the movable support 13 is connected with the base support 12 in a sliding manner. The locking member passes through the first sliding slot 130 of the movable bracket 13 and the base bracket 12 and is locked with the nut, so that the movable bracket 13 and the base bracket 12 are fixed.

The pipe clamp 20 includes a first latch portion 21, a second latch portion 22, a fastener 23, and a washer 24. The first locking portion 21 and the second locking portion 22 are both provided with semicircular grooves, and the first locking portion 21 is fixed at the end of the movable bracket 13. The gasket 24 is an annular rubber gasket, and the circular tube 30 is sleeved with the gasket 24. The part of the circular tube 30, which is sleeved with the gasket 24, is located in the grooves of the first buckling part 21 and the second buckling part 22. The spacer 24 increases the security of the connection between the barrel 30 and the clamp 20 and reduces the effect of ground vibration on the LVDT. The fastening element 23 passes through the second latching portion 22 and is fixed to the first latching portion 21, so that the circular tube 30 is locked between the first latching portion 21 and the second latching portion 22.

The circular tube 30 includes a tube body 31 and a first flange fixing end 32. The first flange fixing end 32 is fixed to the end of the pipe body 31. The first flange securing end 32 is a circular flange. The circular flange is provided with an arc-shaped groove.

The vertical bracket 40 includes a main body 41 and a second flange fixing end 42. The second flange fixing end 42 is fixed to an end of the body 41. The second flange fixing end 42 is a circular flange. The circular flange is provided with an arc-shaped groove. The second flange fixing end 42 is aligned with the first flange fixing end 32 and is rotationally connected with the first flange fixing end 32, and the locking piece passes through the arc-shaped grooves in the second flange fixing end 42 and the first flange fixing end 32 and is locked with the nut, so that the vertical support 40 is locked with the circular pipe 30.

The horizontal bracket 50 is provided with a second sliding groove 51, the end part of the vertical bracket 40 is provided with a through hole, the end part of the vertical bracket 40 is accommodated in the horizontal bracket 50 and can slide along the horizontal bracket 50, and the locking piece passes through the second sliding groove 51 and the through hole to lock the vertical bracket 40 and the horizontal bracket 50.

The rotating link 60 is rotatably connected at one end to the horizontal bracket 50 and is locked by a locking member. The other end of the rotation link 60 is provided with a mounting hole 61. The connecting member 70 includes a U-shaped block 71 and a rotating shaft 72, and the rotating shaft 72 is fixed to the U-shaped block 71. The rotation shaft 72 is rotatably coupled to the mounting hole 61 of the rotation link 60. The U-shaped block 71 is provided with a mounting groove 710 and a fixing hole 711.

The mounting assembly 80 includes a connection plate 81 and two retaining rings 82. The connection plate 81 is partially received in the receiving groove 710 of the connection member 70. The locking member is passed through the fixing hole 711 and the through hole of the connection plate 81 and is fastened with the nut, so that the connection plate 81 is fixed to the connection member 70. Two fixing rings 82 are slidably mounted on the connection plate 81 and locked by a locking member. In this embodiment, the locking member is a bolt. LVDT (linear variable differential transformer) displacement sensors are mounted on two fixed rings 82.

The length direction of the circular tube 30 is taken as the X axis, the height direction is taken as the Z axis, and the direction of the horizontal and vertical circular tube 30 is taken as the Y axis. When it is desired to adjust an LVDT (linear variable differential transformer) displacement transducer, the base 11 can be moved in the X and Y directions, as well as rotated about the Z axis. The movable support 13 can move up and down in the groove of the base support 12 along the Z direction. The barrel 30 is movable along and rotatable about the X-axis. The vertical support 40 can rotate about the X-axis. The horizontal support 50 is horizontally movable along the X-axis. The rotating link 60 can rotate about the Y-axis centering around the bolt. The connector 70 is rotatable about the X-axis about the stud. The whole LVDT support frame comprises six degrees of freedom (three translational degrees of freedom and three rotational degrees of freedom), so that any position measurement can be realized through the device.

During the use, just can carry out the regulation of each degree of freedom through the locking piece of unscrewing, adjust the back again screw the locking piece can, easy operation, convenient to use when needing to dismantle, unscrew the locking piece and accomplish the dismantlement promptly. The whole support frame is light in weight, convenient to disassemble, assemble and move, flexible and adjustable, and capable of helping to realize measurement of deformation displacement of complex components with different sizes at different positions.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, all according to the equivalent modifications and evolutions of the present invention, which are made to the above embodiments by the essential technology, and all belong to the protection scope of the present invention.

Claims

1. The utility model provides an adjustable LVDT support frame of high degree of freedom, includes the height adjustment subassembly, its characterized in that: the high-freedom-degree adjustable LVDT support frame further comprises a pipe clamp, a round pipe, a vertical support, a horizontal support, a rotating connecting rod, a connecting piece, a mounting assembly and a plurality of locking pieces, the pipe clamp is fixed on the height adjusting component, the circular pipe sleeve is arranged on the pipe clamp and can rotate and move relative to the pipe clamp, the locking piece locks the round pipe relative to the pipe clamp, the vertical support is rotationally connected with the round pipe, the locking piece locks the vertical bracket and the circular tube, the vertical bracket is connected with the horizontal bracket in a sliding way, the locking piece locks the vertical bracket and the horizontal bracket, the rotating connecting rod is rotatably connected with the horizontal bracket, the locking piece enables the rotating connecting rod and the horizontal support to be locked, the connecting piece is installed on the rotating connecting rod and can rotate in the circumferential direction, and the installation assembly is fixedly installed on the connecting piece.

2. The high degree of freedom adjustable LVDT support according to claim 1, wherein: the height adjusting assembly comprises a base, a base support and a movable support, the base support is fixedly connected with the base, and the movable support is connected with the base support in a sliding mode.

3. The high degree of freedom adjustable LVDT support according to claim 2, wherein: the base support and the movable support are both provided with first sliding grooves, and the locking piece penetrates through the two first sliding grooves to be matched with the nut, so that the base support and the movable support are locked.

4. The high degree of freedom adjustable LVDT support according to claim 2, wherein: the base support and the movable support are channel steel.

5. The high degree of freedom adjustable LVDT support according to claim 1, wherein: the pipe clamp comprises a first buckling part, a second buckling part and a fastening piece, the first buckling part is fixed on the height adjusting assembly, the circular pipe is located between the first buckling part and the second buckling part, the fastening piece penetrates through the second buckling part and is fixed with the first buckling part, and the circular pipe is locked between the first buckling part and the second buckling part.

6. The high degree of freedom adjustable LVDT support according to claim 1, wherein: the pipe strap still includes the gasket, the gasket is annular rubber pad, the gasket cover is located the pipe, the gasket is located the pipe with between the pipe strap.

7. The high degree of freedom adjustable LVDT support according to claim 1, wherein: the pipe includes body and first flange stiff end, first flange stiff end is fixed in body one end, vertical support includes main part and second flange stiff end, the second flange stiff end is fixed in the main part tip, first flange stiff end with second flange stiff end rotates to be connected, the locking piece with first flange stiff end reaches mounting groove cooperation on the second flange stiff end makes first flange stiff end reaches second flange stiff end locking.

8. The high degree of freedom adjustable LVDT support according to claim 1, wherein: the connecting piece includes U-shaped piece and pivot, the pivot is fixed in the U-shaped piece, it is equipped with the mounting hole to rotate the connecting rod, the pivot install in the mounting hole can rotate around the axial, the U-shaped piece is equipped with mounting groove and fixed orifices, the installation component is including connecting the flat board, connect the flat board install in the mounting groove, the locking piece passes the fixed orifices makes it is fixed in to connect the flat board the U-shaped piece.

9. The high degree of freedom adjustable LVDT support according to claim 8, wherein: the installation component further comprises two fixing rings, each fixing ring is slidably installed on the connecting flat plate, and the locking piece is used for fixing the fixing rings on the connecting flat plate.