CN110836309B

CN110836309B - Two-axis inclined platform adjusting device

Info

Publication number: CN110836309B
Application number: CN201911195355.XA
Authority: CN
Inventors: 蒋宇晨; 王佳玮; 顾青; 徐弢; 刘晓烨
Original assignee: Shanghai Sipai Process Instruments Engineering Co ltd
Current assignee: Shanghai Sipai Process Instruments Engineering Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2021-03-30
Anticipated expiration: 2039-11-28
Also published as: CN110836309A

Abstract

The invention relates to the technical field of two-axis inclined platforms, and discloses a two-axis inclined platform adjusting device which comprises a base and an adjusted platform positioned above the base; the base and the adjusted platform are connected to the spherical hinge assembly, and the adjusted platform can rotate to any position relative to the base; the first position and the second position of the adjusted platform are respectively hinged to the first adjusting assembly and the second adjusting assembly in a ball-and-socket manner, and the first adjusting assembly and the second adjusting assembly are both rigid structural members; the first adjusting assembly can rotate relative to the base by taking an axis in a first preset direction as an axis, and the first positions of the base and the adjusted platform can be relatively fixed; the second adjustment assembly can use the axis of the second preset direction and the axis of the third preset direction as the shaft to rotate relative to the base, the base and the second position of the adjusted platform can be relatively fixed, and the second preset direction and the third preset direction form a preset included angle.

Description

Two-axis inclined platform adjusting device

Technical Field

The invention relates to the technical field of two-axis inclined platforms, in particular to a two-axis inclined platform adjusting device.

Background

The existing adjustable biaxial inclined table is basically carried out in a mode of restraining and positioning by adopting an ejector rod and an auxiliary restraining spring. As shown in fig. 1 and fig. 2, the main structure comprises an adjusted platform 2 ', a base 3 ', an adjusting joint 4 ', a fine adjusting knob 1 ' and a restraining spring 5 '. In the mechanism, an adjusted platform 2 'serves as a movable platform, a base 3' serves as a static platform, an adjusting system is formed between an adjusting joint 4 'and the adjusted platform 2' and the base 3 'through a spherical pair and two groups of kinematic chains, and a reverse constraint force in the other direction is provided for the adjusting system through a constraint spring 5', so that the two-axis rotational freedom degree of the adjusted platform relative to the base is finally realized. When the adjusted platform is in a static environment, the existing adjustable two-axis tilting table can meet the use requirement of high-precision stable adjustment. However, under the disturbance environment of vibration, swing and the like, the use of the mechanism is affected due to the fact that the reverse constraint force provided by the spring is small, and the positioning posture position fails. Seriously, the constraint force generated by the constraint spring 5 'is easy to fail, so that the positioning constraint fails, and the posture of the adjusted platform 2' is changed to influence the use.

At present, to solve this problem, a method of raising the restraining force of the restraining spring 5' is generally adopted, such as adding an auxiliary restraining screw. By increasing the restraining force, the following problems arise: increasing the restraining force prior to adjustment can lead to problems such as increased required adjustment force, reduced adjustment range, etc. In addition, the constraint force is increased after the adjustment is finished, the positioning position is changed due to the secondary constraint force, and the positioning accuracy of the biaxial inclined table is reduced. Or the principle of 'forced deformation adjustment' is adopted to implement adjustment, namely, the movable platform is forced to apply constraint force to enable the movable platform to generate elastic deformation so as to achieve the purpose of adjusting the relative position of the movable platform and the static platform, but the adjustment mode has limited adjustment range and poor adjustment precision, the required adjustment force is large, the movable platform is only suitable for rough small-angle adjustment, is more suitable for a disposable positioning structure for small-range adjustment, and is not suitable for precise adjustment or a biaxial inclined table needing repeated adjustment.

In view of the above, the present embodiment provides a two-axis tilting platform adjusting device.

Disclosure of Invention

The invention aims to provide a two-axis inclined platform adjusting device, which can increase the binding force between an adjusted platform and a base after the relative position between the adjusted platform and the base is adjusted, and simultaneously ensure the adjusting precision.

In order to achieve the purpose, the invention adopts the following technical scheme:

providing a two-axis tilting platform adjusting device, which comprises a base and an adjusted platform positioned above the base; further comprising:

the base and the adjusted platform are connected to the spherical hinge assembly, and the adjusted platform can rotate to any position relative to the base;

the first position and the second position of the adjusted platform are respectively hinged to the first adjusting assembly and the second adjusting assembly through balls, and the first adjusting assembly and the second adjusting assembly are both rigid structural members;

the first adjusting assembly can rotate relative to the base by taking an axis in a first preset direction as an axis, and the first positions of the base and the adjusted platform can be relatively fixed; the axis that the direction and the third preset direction can be used respectively to the second adjustment subassembly is for the axle the base rotates, and can make the base with the second position relatively fixed of adjusted platform, the direction is preset to the second with the third preset direction becomes to predetermine the contained angle.

Preferably, the ball hinge assembly includes:

the outer ring is arranged in the base;

the inner ring is rotatably arranged in the outer ring, the adjusted platform is sleeved by the inner ring, and the adjusted platform can rotate to any position relative to the outer ring through the inner ring.

Preferably, the first adjustment assembly comprises:

the single-shaft moving part is detachably connected to the base and can rotate by taking the axis in the first preset direction as a shaft;

the one end ball joint of first adjustment piece in by the platform of adjusting the first position, the other end wear to establish and connect in the unipolar moving part, the unipolar moving part with first adjustment piece can the relatively fixed.

Preferably, the one-axis movable member is screw-connected to the base.

Preferably, the first adjustment member is threadably connected to the single-axis movable member.

Preferably, the second adjustment assembly comprises:

the universal ball is arranged on the base and can rotate relative to the base in the second preset direction;

the inner moving piece penetrates through the universal ball and can rotate relative to the base by taking the axis in the third preset direction as an axis;

and one end of the second adjusting piece is hinged to the second position of the adjusted platform through a ball, the other end of the second adjusting piece penetrates through and is connected with the inner moving piece, and the inner moving piece and the second adjusting piece can be fixed relatively.

Preferably, the second adjustment assembly further comprises an outer movable member disposed on the base, the outer movable member being capable of securing the universal ball.

Preferably, the inner movable member is threadedly connected to the universal ball.

Preferably, the second adjustment member is threadably connected to the inner movable member.

Preferably, the number of the outer movable parts is two, the outer movable parts are in threaded connection with the base, and the outer movable parts are symmetrically arranged on two sides of the universal ball along the second preset direction.

The invention has the beneficial effects that: according to the invention, the first adjusting component and/or the second adjusting component provide power for the adjusted platform, the first adjusting component and/or the second adjusting component are matched with the ball hinge component to adjust the relative position of the adjusted platform and the base, and the first adjusting component and the second adjusting component can position the position of the adjusted platform. In the adjustment process, because of the base with adjusted the platform and all connect in ball hinge assembly, the rotation of cooperation ball hinge assembly makes adjusted the platform and can rotate to optional position for the base. In addition, the first adjusting component can rotate relative to the base by taking an axis in a first preset direction as an axis, and the first positions of the base and the adjusted platform can be relatively fixed; the second adjustment assembly can use the axis of the second preset direction and the axis of the third preset direction as an axis to rotate relative to the base, the second position of the base and the second position of the adjusted platform are relatively fixed, and the second preset direction and the third preset direction form a preset included angle. According to the principle that three points which are not in the same straight line determine a plane, the position of the adjusted platform is fixed and is positioned by the first adjusting assembly and the second adjusting assembly. Meanwhile, the first adjusting assembly and the second adjusting assembly are not over-constrained, and the adjusting force cannot be increased.

And because the first adjusting assembly and the second adjusting assembly are rigid structural members, the constraint force generated after the first adjusting assembly and the second adjusting assembly constrain the adjusted platform is larger. Under the normal working condition, when the adjusted platform shakes and swings, the position of the adjusted platform cannot lose efficacy and can still be used normally.

And because above-mentioned first adjustment subassembly and second adjustment subassembly are rigid structure spare interconnect, can fasten repeatedly and loosen, cooperate above-mentioned ball hinge subassembly, can realize at the accurate regulation of within a small range, can also realize adjusting repeatedly and fixed to being adjusted the platform.

Drawings

FIG. 1 is a schematic view of an angle of an adjustable two-axis tilt table of the prior art;

FIG. 2 is a schematic view of another angle of an adjustable two-axis tilt table of the prior art;

FIG. 3 is a schematic diagram of the two-axis tilt platform adjustment mechanism of the present invention;

FIG. 4 is a schematic structural view of a two-axis tilt platform adjustment apparatus of the present invention;

FIG. 5 is a top view of the two-axis tilt platform adjustment mechanism of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5 of the present invention;

fig. 7 is a cross-sectional view taken along line B-B of fig. 5 of the present invention.

In the figure:

1', a fine adjustment knob; 2', a regulated platform; 3', a base; 4', adjusting the joint; 5' restraining the spring;

1. a base; 2. an adjusted platform; 3. a ball hinge assembly; 31. an outer ring; 32. an inner ring;

100. a first position; 200. a second position; 300. a first preset direction; 400. a second preset direction; 500. a third preset direction;

4. a first adjustment assembly; 41. a single-axis moving member; 42. a first adjustment member;

5. a second adjustment assembly; 51. a universal ball; 52. an inner movable member; 53. a second adjustment member; 54. an outer movable member.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the prior art, an adjustable biaxial inclined table has wide application in various fields. The basic function realized by the device is that the adjusted platform 2 'can rotate relative to the two axes between the bases 1' so as to realize the posture adjustment of the adjusted platform 2 'relative to the bases 1' in a three-dimensional space.

When the adjusted platform 2' is in a static environment, the existing adjustable two-axis tilting table can meet the use requirement of high-precision stable adjustment. However, under the disturbance environment of vibration, swing and the like, the use of the mechanism is affected due to the fact that the reverse constraint force provided by the spring is small, and the positioning posture position fails. Seriously, the restraining force generated by the restraining spring is easy to fail, so that the positioning restraint fails, and the posture of the adjusted platform 2' is changed to influence the use. In order to solve the above problems, a measure of increasing the restraining force of the spring to increase the stability between the base 1 'and the adjusted platform 2' is generally adopted, but the problem of large adjusting force and reduced adjusting precision is caused.

In the present embodiment, a two-axis tilting platform adjusting device is provided, which can directly realize the adjustment and positioning between the adjusted platform 2 and the base 1 through the combination of the sliding pair, the rotating pair and the spherical pair, so that the adjusted platform 2 has a certain motion relative to the base 1, thereby improving the stability between the two and improving the adjustment precision.

Designing a motion principle:

in the design process of the two-axis inclined platform adjusting device mechanism, the design is carried out according to the principle that the unique plane can be determined by three points which are not on the same straight line, so that the adjusted platform 2 is ensured not to deform in the process of carrying out posture adjusting movement relative to the base 1, and the positioning position of the adjusted platform in the space is ensured to be uniquely determined.

The mechanism movement diagram is shown in figure 3.

On the basis of an independent spherical pair structure, the adjusting structure requires that new spherical pairs a and b have self-restraint capability. The sliding pair is improved through a new spherical pair, so that the sliding pair is in spherical hinge joint with the adjusted platform 2 and the base 1. And for the driven structure in the adjusting structure, the rotating pair and the spherical pair are respectively connected. The main reasons are as follows: compared with a moving pair and other moving structures, the rotating pair and the spherical pair are relatively easy to realize in mechanical structure, the reliability is high, the simple mechanical structure can provide the rotating freedom degrees in multiple directions, and meanwhile, the structure is convenient to lubricate.

Meanwhile, the moving pair is selected as an active pair for adjusting the movement of the structure, the active pair is a source of the driving force of the mechanism, and the driving force input with a certain magnitude must be ensured in the use of the mechanism. The sliding pair can provide power for the sliding pair through a screw rod, an oil cylinder and the like, and operation is convenient to realize.

The two-axis tilting platform adjusting device in the embodiment comprises an adjusted platform 2 and a base 1, and the constraint relationship between the adjusted platform 2 and the base 1 comprises the following steps: the spherical pair of an independent restraint and a pair of sliding pair that can realize flexible, the one end of two sliding pairs all with by be adjusted between the platform 2 for spherical pair is connected, the other end and the base 1 of one of them sliding pair are connected for the revolute pair, the other end and the base 1 of another sliding pair are connected through two revolute pairs and are constituteed. The two-axis attitude adjustment of the adjusted platform 2 relative to the base 1 is realized by the movement of the pair of moving pairs. In the mechanism system, the constraints are all the constraints of rigid structural members, so that a considerable constraint force can be provided, and the influence of external stress environment disturbance on the positioning posture can be basically eliminated. In the coordinate system at a, the kinematic pair at a has a rotational degree of freedom in one direction and a translational degree of freedom in three directions, and in the coordinate system at B, the kinematic pair at B has a translational degree of freedom in three directions and a rotational degree of freedom in two directions.

Meanwhile, the calculation and analysis of the mechanism space degree of freedom of the biaxial inclined platform adjusting device in the embodiment adopts a Kutzbach-Gr ü bler formula:

the mechanism comprises an independent spherical pair and two motion branches A and B. The motion branch A comprises a moving pair P, a spherical pair S and a revolute pair R; in the motion branch B, a kinematic pair P, a spherical pair S and two revolute pairs R are included. As can be seen from fig. 3, the total number of components n of the mechanism is 7, and the number of kinematic pairs g is 8. The freedom degrees of the revolute pair and the sliding pair are both 1, and the freedom degree of the spherical pair is 3.

Therefore, the system can be obtained with the following degrees of freedom:

the requirement of the biaxial inclined table on the degree of freedom of the system is met.

Specifically, as shown in fig. 4-7, the two-axis tilting platform adjusting device includes a base 1 and an adjusted platform 2 located above the base 1, and further includes a ball hinge assembly 3, a first adjusting assembly 4 and a second adjusting assembly 5, where the ball hinge assembly 3 is used as an independent spherical pair connecting the adjusted platform 2 and the base 1, two movement branches are the first adjusting assembly 4 and the second adjusting assembly 5, respectively, the base 1 and the adjusted platform 2 are connected to the ball hinge assembly 3, and the adjusted platform 2 can rotate to any position relative to the base 1 through the ball hinge assembly 3.

The first position 100 and the second position 200 of the adjusted platform 2 are respectively hinged to the first adjusting component 4 and the second adjusting component 5 through balls, the first adjusting component 4 can rotate relative to the base 1 by taking an axis in a first preset direction 300 as an axis, and the base 1 and the first position 100 of the adjusted platform 2 can be relatively fixed; the second adjusting assembly 5 can rotate relative to the base 1 by using the axis of the second preset direction 400 and the axis of the third preset direction 500 as axes, and can relatively fix the second position 200 of the base 1 and the adjusted platform 2, and the second preset direction 400 and the third preset direction 500 form a preset included angle.

In this embodiment, the first predetermined direction 300 is a tangential direction of the outer ring 31 of the ball hinge assembly 3. The second predetermined direction 400 is tangential to the outer ring 31 of the ball joint assembly 3, the third predetermined direction 500 is radial to the outer ring 31 of the ball joint assembly 3, and the first predetermined direction 300 is perpendicular to the second predetermined direction 400.

In the present embodiment, the adjustable platform 2 has a rectangular or square structure, and the first position 100 and the second position 200 of the adjustable platform 2 are respectively located at two adjacent corner positions of the adjustable platform 2.

The first adjusting component 4 is in ball hinge with the first position 100 of the adjusted platform 2, the second adjusting component 5 is in ball hinge with the second position 200 of the adjusted platform 2, and the first adjusting component 4, the second adjusting component 5 and the adjusted platform 2 are in ball hinge as a new spherical pair. The first adjusting component 4 can rotate in a first preset direction 300 relative to the base 1, and is used as a rotating pair of the first adjusting component 4; the second adjusting assembly 5 can rotate relative to the base 1 by using the axes of the second preset direction 400 and the third preset direction 500 as axes, and the second preset direction 400 and the third preset direction 500 form a preset included angle and are respectively used as a revolute pair of the second adjusting assembly 5 in two directions.

In the embodiment, the first adjusting component 4 and/or the second adjusting component 5 provide power for the adjusted platform 2, and the first adjusting component 4 and/or the second adjusting component 5 can cooperate with the ball hinge component 3 to adjust the relative position of the adjusted platform 2 and the base 1, and the first adjusting component 4 and the second adjusting component 5 can position the position of the adjusted platform 2. In the adjustment process, because base 1 and adjusted platform 2 all are connected in ball hinge assembly 3, the rotation of cooperation ball hinge assembly 3 makes adjusted platform 2 can rotate to optional position for base 1. In addition, the first adjusting assembly 4 can rotate relative to the base 1 by taking an axis in the first preset direction 300 as an axis, and can relatively fix the first position 100 of the base 1 and the adjusted platform 2; the second adjusting assembly 5 can rotate relative to the base 1 by using the axes of the second preset direction 400 and the third preset direction 500 as axes, and can relatively fix the second position 200 of the base 1 and the adjusted platform 2, and the second preset direction 400 and the third preset direction 500 form a preset included angle. According to the principle that three points which are not in the same straight line determine a plane, the position of the regulated platform 2 is fixed and is positioned by the first regulating component 4 and the second regulating component 5. Meanwhile, it can be known that there is no over-constraint between the first adjusting component 4 and the second adjusting component 5, and the adjusting force is not increased.

Since the first adjustment assembly 4 and the second adjustment assembly 5 are both rigid structural members, the restraining force generated after the platform 2 to be adjusted is restrained by the first adjustment assembly 4 and the second adjustment assembly 5 is large. Under the normal working condition, when the adjusted platform 2 shakes and swings, the position of the adjusted platform 2 cannot be invalid, and the adjustable platform can still be used normally.

And because above-mentioned first adjusting part 4 and second adjusting part 5 are rigid structure interconnect, can fasten repeatedly and loosen, cooperate above-mentioned ball pivot subassembly 3, can realize in the accurate regulation of small-scale, can also realize being adjusted platform 2's regulation repeatedly and fixed.

Specifically, the ball-joint assembly 3 includes an outer ring 31 and an inner ring 32, the outer ring 31 is disposed in the base 1, the outer ring 31 is in interference fit with the base 1, the inner ring 32 is rotatably disposed in the outer ring 31, the adjusted platform 2 is sleeved with the inner ring 32, the inner ring 32 is in interference fit with the adjusted platform 2, and the inner ring 32 can be rotatably adjusted to any position relative to the outer ring 31, so that the adjusted platform 2 can be adjusted to any position relative to the base 1. The spherical hinge assembly 3 is matched with the first adjusting assembly 4 and the second adjusting assembly 5 to realize accurate adjustment of the position of the adjusted platform 2.

Specifically, the first adjusting assembly 4 includes a single-axis moving member 41 and a first adjusting member 42, the single-axis moving member 41 is detachably connected to the base 1, the single-axis moving member 41 can rotate relative to the base 1 in a first preset direction 300, one end of the first adjusting member 42 is ball-hinged to the first position 100 of the adjusted platform 2, the other end of the first adjusting member is inserted into and connected to the single-axis moving member 41, and the single-axis moving member 41 and the first adjusting member 42 can be fixed relatively.

The first adjusting member 42 is used as a driving pair in the embodiment, and the position of the adjusted platform 2 is adjusted by manually or automatically adjusting the first adjusting member 42. When adjusting unipolar moving member 41, unipolar moving member 41 drives the action of wearing to locate first adjusting piece 42 in it, and first adjusting piece 42 can rotate through the ball hinge structure for being adjusted platform 2 to avoid the overconstraint. When the position of the single-axis movable member 41 is fixed, the position of the first adjusting member 42 is fixed, so that the first position 100 of the adjusted platform 2 can be constrained with the base 1.

The first predetermined direction 300 may be other directions as long as the adjustment of the first adjustment member 42 is satisfied and the two can be fixed relatively.

In view of the fact that the single-axis movable element 41 and the first adjustment element 42 can be fixed relatively, the single-axis movable element 41 fixes the first adjustment element 42 in this embodiment. Specifically, the single-axis moving member 41 and the first adjusting member 42 are both rod members, and external threads are provided on the exterior of the rod members, internal threads are correspondingly provided on the base 1, and the single-axis moving member 41 is connected to the base 1 through threads. The single-axis movable element 41 is provided with an internal threaded hole, and the first adjustment member 42 is screwed to the single-axis movable element 41. The position relationship between the first adjusting member 42 and the single-axis moving member 41 is as shown in fig. 7, when the single-axis moving member 41 rotates relative to the base 1 with the axis of the first predetermined direction 300 as the axis, the first adjusting member 42 rotates by being ball-hinged with the first position 100 of the adjusted platform 2, so as to avoid over-constraint of the first adjusting member 42.

In other embodiments, the single-axis movable element 41 and the base 1 may be connected by fastening with a fastener. Similarly, the first adjusting member 42 and the single-axis movable member 41 may be fastened by a fastening member, which may be a nut or other structures.

Specifically, the second adjusting assembly 5 includes a universal ball 51, an inner moving member 52, and a second adjusting member 53, wherein a U-shaped groove is disposed on the base 1, the universal ball 51 is disposed in the U-shaped groove of the base 1 and can rotate relative to the base 1 by using an axis of the second preset direction 400 as an axis, the inner moving member 52 is disposed through the universal ball 51 and can rotate relative to the base 1 by using an axis of the third preset direction 500 as an axis, and the inner moving member 52 limits the universal ball 51 to rotate only by using the axis of the second preset direction 400 as an axis. One end of the second adjusting member 53 is hinged to the second position 200 of the adjusted platform 2, the other end is inserted into and connected to the inner movable member 52, and the inner movable member 52 and the second adjusting member 53 can be fixed relatively. The universal ball 51 is provided with a rotating shaft along a second preset direction 400, the rotating shaft is rotatably arranged on the base 1, and a fastener is arranged on the rotating shaft to fix the universal ball 51.

In the present embodiment, the ball-and-socket joint further includes an outer movable member 54 disposed on the base 1, and the outer movable member 54 can fix the universal ball 51. Specifically, the number of the outer movable members 54 is two, and the outer movable members 54 are screwed to the base 1, the outer movable members 54 are screws, and the axial direction thereof is arranged along the second preset direction 400, and the outer movable members are symmetrically arranged on two sides of the universal ball 51, and the universal ball 51 is fixed by being clamped by the outer movable members 54. The second preset direction 400 and the third preset direction 500 are not unique, and only the second adjusting member 53 is adjusted and fixed, and when the adjusted platform 2 is adjusted by matching with the first adjusting assembly 4, over-constraint and interference do not occur.

In this embodiment, the first adjusting member 42 and/or the second adjusting member 53 can be used as a driving pair to adjust the position of the adjusted platform 2. The inner moving member 52 can fasten the position of the second adjusting member 53, the inner moving member 52 drives the second adjusting member 53 to move in the fastening process, and the second adjusting member 53 is in spherical hinge joint with the adjusted platform 2, so that the second adjusting member 53 can adaptively rotate relative to the adjusted platform 2, that is, over-constraint of the second adjusting member 53 is avoided. At the same time, the second adjusting component 5 fixes the second position 200 of the adjusted component and the base 1 by fastening the universal ball 51 through the outer movable piece 54.

When the first position 100 shown in fig. 4 and 6 is depressed, the second adjustment member 53, the inner movable member 52, and the universal ball 51 are simultaneously adjusted to accommodate the change in the first position 100. Therefore, the first adjusting component 4 is matched with the second adjusting component 5, so that the rigidity restraint of the adjusting platform 2 is ensured, meanwhile, the over-restraint cannot occur in the integral structure, and the adjusting force cannot be increased.

In this embodiment, the inner movable member 52 and the second adjusting member 53 are both rod members, and both have external threads on the outer portions thereof, the inner movable member 52 has a threaded hole, and the inner movable member 52 is threadedly connected to the universal ball 51. Also, second adjustment member 53 is threadably attached to inner moveable member 52. In order to ensure the universal ball 51 to be stressed stably when fastened, in the present embodiment, there are two outer movable members 54, each outer movable member 54 is an axial member, and the outer movable members 54 are symmetrically disposed on two sides of the universal ball 51 along the tangential direction of the outer ring 31.

In other embodiments, inner hinge 52 and second adjustment member 53 may be fastened together by a fastener, such as a nut.

The two-axis inclined platform adjusting device in the embodiment is applied to detection of pile foundation verticality in the building field, and during detection, the angle sensor is arranged on the detected platform, so that the angle is obtained in real time.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A two-axis tilting platform adjusting device comprises a base (1) and an adjusted platform (2) positioned above the base (1); it is characterized by also comprising:

the base (1) and the adjusted platform (2) are connected to the spherical hinge assembly (3), and the adjusted platform (2) can rotate to any position relative to the base (1);

the first adjusting assembly (4) and the second adjusting assembly (5), a first position (100) and a second position (200) of the adjusted platform (2) are respectively hinged to the first adjusting assembly (4) and the second adjusting assembly (5) through a ball, and the first adjusting assembly (4) and the second adjusting assembly (5) are both rigid structural members;

the first adjusting component (4) can rotate relative to the base (1) by taking an axis in a first preset direction (300) as an axis, and can relatively fix the first position (100) of the base (1) and the adjusted platform (2); the second adjusting assembly (5) can rotate relative to the base (1) by taking an axis in a second preset direction (400) and an axis in a third preset direction (500) as axes respectively, a second position (200) of the base (1) and a second position (200) of the adjusted platform (2) can be relatively fixed, and a preset included angle is formed between the second preset direction (400) and the third preset direction (500);

the second adjustment assembly (5) comprises:

a universal ball (51) arranged on the base (1) and capable of rotating relative to the base (1) in the second preset direction (400);

the inner movable piece (52) penetrates through the universal ball (51) and can rotate relative to the base (1) by taking the axis of the third preset direction (500) as an axis;

and one end of the second adjusting piece (53) is hinged to the second position (200) of the adjusted platform (2) through a ball, the other end of the second adjusting piece is penetrated and connected with the inner moving piece (52), and the inner moving piece (52) and the second adjusting piece (53) can be relatively fixed.

2. The two-axis tilt platform adjustment device according to claim 1, wherein the ball joint assembly (3) comprises:

an outer ring (31) disposed within the base (1);

the inner ring (32) is rotatably arranged in the outer ring (31), the adjusted platform (2) is sleeved with the inner ring (32), and the adjusted platform (2) can rotate to any position relative to the outer ring (31) through the inner ring (32).

3. The two-axis tilt platform adjustment device according to claim 1, wherein the first adjustment assembly (4) comprises:

the single-axis movable piece (41), the single-axis movable piece (41) is detachably connected to the base (1), and the single-axis movable piece (41) can rotate by taking the axis of the first preset direction (300) as an axis;

first adjustment piece (42), the one end ball joint of first adjustment piece (42) in by the platform (2) of being adjusted first position (100), the other end wear to establish and connect in unipolar moving part (41), unipolar moving part (41) with first adjustment piece (42) can the relatively fixed.

4. A two-axis tilting platform adjustment device according to claim 3, characterized in that said one-axis movable member (41) is screwed to said base (1).

5. A two-axis tilting platform adjustment device according to claim 4, characterized in that said first adjustment member (42) is screwed to said single-axis movable member (41).

6. The two-axis tilting platform adjustment device according to claim 1, characterized in that the second adjustment assembly (5) further comprises an outer movable member (54) arranged on the base (1), the outer movable member (54) being capable of fixing the gimbaled ball (51).

7. A biaxial tilting platform adjustment device according to claim 6, characterized in that the inner movable member (52) is screwed to the universal ball (51).

8. A two-axis tilting platform adjustment device according to claim 7, characterized in that the thread of the second adjustment member (53) is connected to the inner movable member (52).

9. The two-axis tilting platform adjustment device according to claim 8, characterized in that the number of the outer movable members (54) is two, the outer movable members (54) are screwed to the base (1), and the outer movable members (54) are symmetrically arranged on both sides of the universal ball (51) along the second predetermined direction (400).