CN109099277B - Movable vibration exciter support rack capable of being adjusted in multiple degrees of freedom - Google Patents
Movable vibration exciter support rack capable of being adjusted in multiple degrees of freedom Download PDFInfo
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- CN109099277B CN109099277B CN201811310712.8A CN201811310712A CN109099277B CN 109099277 B CN109099277 B CN 109099277B CN 201811310712 A CN201811310712 A CN 201811310712A CN 109099277 B CN109099277 B CN 109099277B
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- vibration exciter
- direction adjusting
- supporting
- screw rod
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- 238000006073 displacement reaction Methods 0.000 claims description 15
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/048—Allowing translations adapted to forward-backward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention belongs to the technical field of vibration detection supporting equipment, and particularly relates to a movable vibration exciter supporting rack capable of being adjusted in multiple degrees of freedom. The X-direction adjusting component comprises an X sliding rail, an X sliding block, an X screw rod and an X nut, and the vibration exciter is fixed at the lower end of the X sliding block; the Y-direction adjusting component comprises a Y sliding rail, a Y sliding block, a Y lead screw and a Y nut; the Z direction adjusting component has two groups, distributes at two opposite angles of backup pad, including Z lead screw and Z nut. The support rack provided by the invention can provide physical support for the vibration exciter in the vibration detection system, and provides the functions of movable operation, multi-angle and multi-degree-of-freedom adjustment to meet the test requirements of the system for adapting to different application site working conditions.
Description
Technical Field
The invention belongs to the technical field of vibration detection supporting equipment, and particularly relates to a movable vibration exciter supporting rack capable of being adjusted in multiple degrees of freedom.
Background
At present, the mounting mode of the vibration exciter in the vibration detection application field mainly adopts fixed mounting, and is usually fixed on the ground or a fixed rack, and the tested workpiece needs to adjust the placement position of the tested workpiece according to the test point, so that the test is very inflexible, the placement position of some workpieces is limited, the test of some points can not be performed, and the effectiveness and the detection effect of the test are affected.
In addition, for the installed complete equipment or large-scale immovable tested equipment or workpieces, the traditional laboratory fixed vibration exciter vibration detection equipment cannot realize the test work, and the diversified test requirements are not met.
Disclosure of Invention
In order to solve the technical problems, the invention provides the movable vibration exciter supporting rack with multiple degrees of freedom adjustment, and the problem of testing dead angles is solved by adjusting the 3-axis position of the vibration exciter supporting rack or moving the rack into the environment of tested equipment so as to meet the detection requirements of different working conditions.
The invention is realized in this way, the invention provides a movable vibration exciter support rack with multiple degrees of freedom adjustment, which comprises a support pipe, a support rod, a support plate, an X-direction adjusting component, a Y-direction adjusting component and a Z-direction adjusting component, wherein the X-direction adjusting component comprises an X sliding rail, an X sliding block, an X screw rod and an X nut;
the Y-direction adjusting assembly comprises Y slide rails, Y slide blocks, Y lead screws and Y nuts, the Y slide rails are fixed under the supporting plate and are connected with the X slide rails through the Y slide blocks, the Y lead screw threads penetrate through the X slide rails and are rotatably clamped between the two Y slide rails in parallel, the Y nuts are fixed at the end parts of the Y lead screws, the Y nuts are rotated, and the Y lead screws rotate to drive the X-direction adjusting assembly and the Y slide blocks to perform Y-direction equal displacement on the Y slide rails;
the Z-direction adjusting assemblies are two groups and are distributed on two opposite angles of the supporting plate, the Z-direction adjusting assemblies comprise a Z screw rod and a Z nut, one end of the Z screw rod is fixed on the supporting plate, the other end of the Z screw rod penetrates through the Z nut and then stretches into the supporting tube, the Z nut is rotated, and the Z screw rod is displaced to drive the supporting plate, the X-direction adjusting assembly and the Y-direction adjusting assembly to be displaced in the Z direction;
through holes are formed in the other two opposite angles of the supporting plate, linear bearings are fixed below the through holes, the supporting rods penetrate through the through holes and the linear bearings and then extend into the supporting tubes, and Z-shaped pipe clamps with adjustable positions are arranged on the supporting rods between the linear bearings and the supporting tubes.
Further, the X screw rod is rotatably clamped below the X sliding rail in parallel through a connecting plate A and a connecting plate B, a hexagonal nut is fixed on the X screw rod at one side of the connecting plate A, the connecting plate A is L-shaped, an X positioning bolt is arranged and connected to the connecting plate A, and the X positioning bolt is screwed up to bear the hexagonal nut to fix the position of the X direction adjusting component;
the Y lead screw is rotatably clamped below the supporting plate in parallel through a connecting plate C and a connecting plate D, a hexagonal nut is fixed on the Y lead screw at one side of the connecting plate C, a Y positioning bolt is arranged to be connected to the middle part of the connecting plate C, and the Y positioning bolt is screwed up to prop against the hexagonal nut to fix the position of the Y-direction adjusting assembly;
establish Z spacing subassembly on the Z lead screw, Z spacing subassembly includes flange and Z positioning bolt 16Z locating holes are all established to the lower part of Z nut, flange lower part with the stay tube is fixed, and Z positioning bolt is connected on upper portion, realizes the fixed of Z spacing subassembly position after screwing in Z positioning bolt in Z locating hole.
Further, the displacement changes by 3mm for one rotation of the X screw and the Y screw, and the displacement changes by 16mm for one rotation of the Z screw.
Further, a shock absorber is arranged between the X sliding block and the vibration exciter and comprises a supporting rod, a spring and a fixing plate, the spring is sleeved on the outer side of the supporting rod, the lower ends of the spring and the supporting rod are fixedly connected with the upper end of the fixing plate, the upper end of the spring is fixedly connected with the X sliding block, and the upper end of the supporting rod is a free end.
Furthermore, scales are arranged on the X sliding rail, the Y sliding rail and the supporting rod, and the scale value on the supporting rod is 10cm larger than the actual height value.
Further, the adjusting range of the X-direction adjusting component is +/-150 mm, the adjusting range of the Y-direction adjusting component is +/-300 mm, and the condition range of the Z-direction adjusting component is 1500-2400mm.
Further, the device also comprises a bottom plate, and the lower ends of the supporting tubes are fixedly connected with the bottom plate.
Further, the automatic adjusting device also comprises a motor, wherein the motor controls the X nut, the Y nut, the Z nut, the X positioning bolt, the Y positioning bolt and the Z positioning bolt, so that the automatic adjusting of the position of the oscillator is realized.
Compared with the prior art, the invention has the advantages that:
1) The movable operation is flexible in operation;
2) The X, Y, Z triaxial direction adjusting function can be realized, and the adjusting precision can reach 0.5mm;
3) The use is simple, and the mechanical adjustment is smooth;
4) The device is safe and reliable, is made of stainless steel, is corrosion-resistant and has long service life;
5) The method is suitable for various detection working condition environments and has high utilization rate.
Drawings
FIG. 1 is a schematic view of an X-direction structure of a support stand according to the present invention;
FIG. 2 is a schematic diagram showing the connection relationship between the X-direction adjusting assembly, the Y-direction adjusting assembly and the supporting plate according to the present invention;
FIG. 3 is a schematic view of a Y-direction structure of a support stand according to the present invention;
FIG. 4 is an enlarged schematic view of the positional relationship of the X positioning bolts;
FIG. 5 is an enlarged schematic view of the positional relationship of the Y-set bolts;
FIG. 6 is an enlarged schematic view of the Z-stud positional relationship;
fig. 7 is a schematic diagram of a positional relationship structure of a damper.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, 2 and 3, the invention provides a movable vibration exciter supporting bench capable of adjusting multiple degrees of freedom, which comprises a supporting pipe 1, a supporting rod 2, a supporting plate 3, an X-direction adjusting component, a Y-direction adjusting component and a Z-direction adjusting component, wherein the X-direction adjusting component comprises an X sliding rail 4, an X sliding block 5, an X lead screw 6 and an X nut 7, the vibration exciter 8 is fixed at the lower end of the X sliding block 5, the X sliding block 5 slides on the X sliding rail 4, the X lead screw 6 is rotatably and parallelly clamped below the X sliding rail 4, the X lead screw 6 passes through the X sliding block 5 and is in threaded connection with the X sliding block 5, the X nut 7 is fixed at one end of the X lead screw 6, the X nut 7 is rotated, and the X lead screw 6 rotates to drive the X sliding block 5 to displace in the X direction and the like on the X sliding rail 4;
the Y-direction adjusting assembly comprises Y slide rails 9, Y slide blocks 10, Y lead screws 11 and Y nuts 12, the Y slide rails 9 are fixed under the supporting plate 3 and are connected with the X slide rails 4 through the Y slide blocks 10, the Y lead screws 11 penetrate through the X slide rails 4 in a threaded manner and are rotatably clamped between the two Y slide rails 9 in parallel, the Y nuts 12 are fixed at the end parts of the Y lead screws 11, the Y nuts 12 are rotated, and the Y lead screws 11 rotate and drive the X-direction adjusting assembly and the Y slide blocks 10 to perform Y-direction equal displacement on the Y slide rails 9;
the Z-direction adjusting components are two groups and are distributed on two opposite angles of the supporting plate 3, and each Z-direction adjusting component comprises a Z screw (not shown in the position relation diagram) and a Z nut 13, one end of the Z screw is fixed on the supporting plate 3, the other end of the Z screw penetrates through the Z nut 13 and then stretches into the supporting tube 1, the Z nut 13 is rotated, and the Z screw is displaced to drive the supporting plate 3, the X-direction adjusting component and the Y-direction adjusting component to be displaced in the Z direction and the like;
two other opposite angles of the supporting plate 3 are provided with through holes, a linear bearing 14 is fixed below the through holes, the supporting rod 2 penetrates through the through holes and the linear bearing 14 and then stretches into the supporting tube 1, and a Z-shaped pipe clamp 15 with an adjustable position is arranged on the supporting rod 2 between the linear bearing 14 and the supporting tube 1.
When the vibration exciter is supported by the invention, the X nut 7 is rotated clockwise firstly, the X screw rod 6 is rotated, the X slider 5 drives the vibration exciter 8 to displace equally under the rotation action of the screw rod, and the X nut 7 stops rotating after reaching the position; if negative adjustment is needed, the X nut 7 is rotated anticlockwise, the X screw rod 6 is rotated, the X slider 5 drives the vibration exciter 8 to synchronously perform equal displacement under the rotation action of the screw rod, and the X nut is stopped rotating after reaching the position;
during Y-direction adjustment, the Y nut 12 is rotated clockwise, the Y screw rod 11 rotates, the X limiting component, the Y sliding block 10 and the vibration exciter 8 displace at the same time under the rotation action of the Y screw rod 11, and the Y nut 12 stops rotating after reaching the position; if negative adjustment is needed, the Y nut 12 is rotated anticlockwise, the Y screw rod 11 rotates, the X limiting component, the Y sliding block 10 and the vibration exciter 8 displace at the same time, and the rotation of the Y nut 12 is stopped after the position is reached.
When the Z direction is adjusted, the Z nut 13 is rotated clockwise, the Z screw rod is screwed out upwards to displace, the supporting plate 3, the X direction adjusting component, the Y direction adjusting component and the vibration exciter 8 move upwards simultaneously, when the linear bearing 14 reaches a required position, the Z pipe clamp 15 is fixed, the Z nut 13 is rotated anticlockwise, the linear bearing 14 is located on the Z pipe clamp 15, and positive adjustment in the Z direction is realized; when descending, the Z pipe clamp 15 is adjusted to a required height to lock, the Z nut 13 is rotated anticlockwise, the supporting plate 3, the X-direction adjusting component, the Y-direction adjusting component and the vibration exciter 8 move downwards simultaneously, and after reaching a required position, the linear bearing 14 is located on the Z pipe clamp 15, so that negative adjustment in the Z direction is realized.
Referring to fig. 4, 5 and 6, in order to fix the target position and prevent errors, as an improvement of the technical scheme, limiting pieces are arranged in all directions, the X screw 6 is rotatably and parallelly clamped below the X sliding rail 4 through a connecting plate a16 and a connecting plate B17, a hexagonal nut is fixed on the X screw on one side of the connecting plate a16, the connecting plate a16 is L-shaped, an X positioning bolt 18 is arranged to be connected to the connecting plate a16, and the X positioning bolt 18 is screwed up against the hexagonal nut to fix the position of the X direction adjusting assembly;
the Y lead screw 11 is rotatably clamped below the supporting plate 3 in parallel through a connecting plate C19 and a connecting plate D20, a hexagonal nut is fixed on the Y lead screw on one side of the connecting plate C19, a Y positioning bolt 21 is arranged to be connected to the middle part of the connecting plate C19, and the Y positioning bolt 21 is screwed up to prop against the hexagonal nut to fix the position of the Y-direction adjusting component;
the Z screw rod is provided with a Z limiting assembly, the Z limiting assembly comprises a connecting flange 22 and Z positioning bolts 23, 16Z positioning holes are formed in the lower portion of the Z nut 13, the lower portion of the connecting flange 22 is fixed with the support tube 1, the upper portion of the connecting flange is connected with the Z positioning bolts 23, and the Z positioning bolts 23 are screwed into the Z positioning holes to fix the position of the Z limiting assembly.
In order to make the adjustment precision finer, as an improvement of the technical scheme, the displacement of the X screw rod 6 and the Y screw rod 11 changes by 3mm in one turn, the precision is adjusted to 0.5mm, the displacement of the Z screw rod changes by 16mm in one turn, and the precision is adjusted to 1mm.
Referring to fig. 7, in order to prevent the vibration exciter 8 from being damaged in the adjustment process, as an improvement of the technical scheme, a shock absorber is arranged between the X slider 5 and the vibration exciter 8, the shock absorber comprises a supporting rod 24, a spring 25 and a fixing plate 26, the spring 25 is sleeved outside the supporting rod 24, the lower ends of the spring 25 and the supporting rod 24 are fixedly connected with the upper end of the fixing plate 26, the upper end of the spring 25 is fixedly connected with the X slider 5, and the upper end of the supporting rod 24 is a free end.
In order to make the adjustment more accurate, as the improvement of technical scheme, graduation is established on X slide rail 4, Y slide rail 9, the bracing piece 2, the graduation value on the bracing piece 2 is greater than actual height value 10cm.
As a preferred embodiment, what kind of vibration exciter is commonly used, as an improvement of the technical scheme, the adjusting range of the X-direction adjusting component is +/-150 mm, the adjusting range of the Y-direction adjusting component is +/-300 mm, and the condition range of the Z-direction adjusting component is 1500-2400mm.
In order to facilitate the movement and better fix the support tube 1, as an improvement of the technical scheme, the device further comprises a bottom plate 27, wherein the lower ends of the support tubes 1 are fixedly connected with the bottom plate 27.
For more intelligence, as the improvement of the technical scheme, the device also comprises a motor, wherein the motor controls the X nut 7, the Y nut 12, the Z nut 13, the X positioning bolt 18, the Y positioning bolt 21 and the Z positioning bolt 23, so that the automatic adjustment of the position of the oscillator is realized. In addition, can also implant software in the motor, control on the computer through the manual remote, computer wireless transmission gives the motor, and this supporting bench is controlled automatically to carry out position adjustment after the motor received the instruction.
Claims (7)
1. The utility model provides a but portable multi freedom adjusts vibration exciter support rack, a serial communication port, including stay tube (1), bracing piece (2), backup pad (3), X direction adjustment subassembly, Y direction adjustment subassembly and Z direction adjustment subassembly, X direction adjustment subassembly includes X slide rail (4), X slider (5), X lead screw (6) and X nut (7), vibration exciter (8) are fixed in X slider (5) lower extreme, X slider (5) slide on X slide rail (4), X lead screw (6) rotationally parallel joint is in X slide rail (4) below, and X lead screw (6) pass X slider (5) and with X slider (5) threaded connection, X nut (7) are fixed in one end of X lead screw (6), rotate X nut (7), X lead screw (6) rotate and drive X slider (5) and take place displacement such as X direction on X slide rail (4) simultaneously;
the Y-direction adjusting assembly comprises Y slide rails (9), Y slide blocks (10), Y lead screws (11) and Y nuts (12), wherein the Y slide rails (9) are fixed under the supporting plate (3), the X slide rails (4) are connected through the Y slide blocks (10), the Y lead screws (11) penetrate through the X slide rails (4) in a threaded mode and are rotatably clamped between the two Y slide rails (9) in parallel, the Y nuts (12) are fixed at the end portions of the Y lead screws (11), the Y nuts (12) are rotated, and the Y lead screws (11) rotate to drive the X-direction adjusting assembly and the Y slide blocks (10) to generate Y-direction equal displacement on the Y slide rails (9);
the Z-direction adjusting assemblies are two groups and are distributed on two opposite angles of the supporting plate (3), the Z-direction adjusting assemblies comprise a Z screw rod and a Z nut (13), one end of the Z screw rod is fixed on the supporting plate (3), the other end of the Z screw rod penetrates through the Z nut (13) and then stretches into the supporting tube (1), the Z nut (13) is rotated, and the Z screw rod is displaced to drive the supporting plate (3), the X-direction adjusting assembly and the Y-direction adjusting assembly to be displaced in the Z direction and the like;
the other two opposite angles of the supporting plate (3) are provided with through holes, a linear bearing (14) is fixed below the through holes, the supporting rod (2) penetrates through the through holes and the linear bearing (14) and then stretches into the supporting tube (1), a Z pipe clamp (15) with an adjustable position is arranged on the supporting rod (2) between the linear bearing (14) and the supporting tube (1), the X screw (6) is rotatably clamped below the X sliding rail (4) in parallel through a connecting plate A (16) and a connecting plate B (17), a six-edge nut is fixed on the X screw (6) at one side of the connecting plate A (16), the connecting plate A (16) is L-shaped, an X positioning bolt (18) is arranged to be connected to the connecting plate A (16), and the X positioning bolt (18) is tightly screwed against the six-edge nut to realize the fixation of the position of an X-direction adjusting component;
the Y lead screw (11) is rotatably clamped below the supporting plate (3) in parallel through a connecting plate C (19) and a connecting plate D (20), a hexagonal nut is fixed on the Y lead screw (11) at one side of the connecting plate C (19), a Y positioning bolt (21) is arranged to be connected to the middle part of the connecting plate C (19), and the Y positioning bolt (21) is screwed up to prop against the hexagonal nut to fix the position of the Y-direction adjusting component;
the Z screw rod is provided with a Z limiting assembly, the Z limiting assembly comprises a connecting flange (22) and Z positioning bolts (23), 16Z positioning holes are formed in the lower portion of the Z nut (13), the lower portion of the connecting flange (22) is fixed with the support tube (1), the upper portion of the connecting flange is connected with the Z positioning bolts (23), and the Z positioning bolts (23) are screwed into the Z positioning holes to fix the positions of the Z limiting assembly; when the movable multi-degree-of-freedom adjustable vibration exciter support rack is used for supporting the vibration exciter, the X nut is rotated clockwise firstly, the X screw rod rotates, the X slider drives the vibration exciter to synchronously perform equal displacement under the rotation action of the screw rod, and the X nut stops rotating after reaching the position; if negative adjustment is needed, rotating the X nut anticlockwise, rotating the X screw rod, driving the vibration exciter to synchronously perform equal displacement under the rotation action of the screw rod by the X sliding block, and stopping rotating the X nut after reaching the position;
when the Y direction is regulated, the Y nut is rotated clockwise, the Y screw rod is rotated, the X limiting component, the Y sliding block and the vibration exciter are simultaneously subjected to equal displacement under the rotation action of the Y screw rod, and the rotation of the Y nut is stopped after the Y limiting component, the Y sliding block and the vibration exciter reach the positions; if negative adjustment is needed, rotating the Y nut anticlockwise, rotating the Y screw rod, enabling the X limiting component, the Y sliding block and the vibration exciter to simultaneously perform equal displacement, and stopping rotating the Y nut after reaching the position;
when the Z direction is adjusted, the Z nut is rotated clockwise, the Z screw rod is screwed out upwards to displace, the supporting plate, the X direction adjusting component, the Y direction adjusting component and the vibration exciter move upwards at the same time, when the linear bearing reaches a required position, the Z pipe clamp is fixed, the Z nut is rotated anticlockwise, the linear bearing is seated on the Z pipe clamp, and positive adjustment of the Z direction is realized; when descending, the Z pipe clamp is adjusted to the required height for locking, the Z nut is rotated anticlockwise, the supporting plate, the X-direction adjusting component, the Y-direction adjusting component and the vibration exciter move downwards simultaneously, and after reaching the required position, the linear bearing is arranged on the Z pipe clamp, so that negative adjustment of the Z direction is realized.
2. The movable multi-degree-of-freedom adjustable exciter support stand of claim 1, wherein the X-lead screw (6) and the Y-lead screw (11) rotate one revolution by a displacement variation of 3mm, and the Z-lead screw rotates one revolution by a displacement variation of 16mm.
3. The movable vibration exciter support frame with multiple degrees of freedom adjustment according to claim 1, wherein a shock absorber is arranged between the X sliding block (5) and the vibration exciter (8), the shock absorber comprises a supporting rod (24), a spring (25) and a fixing plate (26), the spring (25) is sleeved on the outer side of the supporting rod (24), the lower ends of the spring (25) and the supporting rod (24) are fixedly connected with the upper end of the fixing plate (26), the upper end of the spring (25) is fixedly connected with the X sliding block (5), and the upper end of the supporting rod (24) is a free end.
4. The movable vibration exciter support rack with multiple degrees of freedom adjustment according to claim 1, wherein scales are arranged on the X sliding rail (4), the Y sliding rail (9) and the supporting rod (2), and the scale value on the supporting rod (2) is 10cm larger than the actual height value.
5. The movable multi-degree of freedom adjustable vibration exciter support of claim 1, wherein the range of adjustment of the X-direction adjustment assembly is ± 150mm, the range of adjustment of the Y-direction adjustment assembly is ± 300mm, and the range of conditions of the Z-direction adjustment assembly is 1500-2400mm.
6. The movable multi-degree-of-freedom adjustable vibration exciter support rack according to claim 1, further comprising a bottom plate (27), wherein the lower ends of the support pipes (1) are fixedly connected with the bottom plate (27).
7. The movable multi-degree-of-freedom adjustable vibration exciter support rack of claim 1, further comprising a motor controlling the X nut (7), the Y nut (12), the Z nut (13) and the X positioning bolt (18), the Y positioning bolt (21) and the Z positioning bolt (23) to realize automatic adjustment of the position of the oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310712.8A CN109099277B (en) | 2018-11-06 | 2018-11-06 | Movable vibration exciter support rack capable of being adjusted in multiple degrees of freedom |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310712.8A CN109099277B (en) | 2018-11-06 | 2018-11-06 | Movable vibration exciter support rack capable of being adjusted in multiple degrees of freedom |
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| Publication Number | Publication Date |
|---|---|
| CN109099277A CN109099277A (en) | 2018-12-28 |
| CN109099277B true CN109099277B (en) | 2024-03-15 |
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| CN201811310712.8A Active CN109099277B (en) | 2018-11-06 | 2018-11-06 | Movable vibration exciter support rack capable of being adjusted in multiple degrees of freedom |
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| CN113309951B (en) * | 2021-06-23 | 2022-08-23 | 舟山医院 | Medical instrument mobile positioning device |
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| CN205725376U (en) * | 2016-06-21 | 2016-11-23 | 宁波新冠联机电有限公司 | A kind of rule frame |
| CN207799370U (en) * | 2018-01-31 | 2018-08-31 | 广东优翼航空技术有限公司 | A kind of armed helicopter boiler-plate vibrating device |
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| DE202008011304U1 (en) * | 2008-08-25 | 2008-12-24 | J & T Machinery Co., Ltd., Wufong | Belt machine with a belt drive mechanism |
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| CN105784302A (en) * | 2016-02-02 | 2016-07-20 | 华晨汽车集团控股有限公司 | Automobile modal testing apparatus and method |
| CN106111512A (en) * | 2016-06-20 | 2016-11-16 | 吉林大学 | Eccentric throw radial adjustable inertia vibration generator and application thereof |
| CN205725376U (en) * | 2016-06-21 | 2016-11-23 | 宁波新冠联机电有限公司 | A kind of rule frame |
| CN207799370U (en) * | 2018-01-31 | 2018-08-31 | 广东优翼航空技术有限公司 | A kind of armed helicopter boiler-plate vibrating device |
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