A fixture for a laser tracker target ball and method of use

Abstract

The application belongs to the technical field of laser measurement, and discloses a fixing device for a target ball of a laser tracker, which comprises a bottom plate and a fixing seat, the fixing seat is an annular seat with external threads and is used for fixing the base of the laser target ball, and the fixing seat is arranged above the bottom plate; wherein, both sides of the bottom plate are provided with mounting assemblies, the mounting assemblies are extended out of or retracted into the bottom plate through a screw rod-nut structure; the bottom of the bottom plate is provided with a groove, a fixing disc is mounted in the groove of the bottom plate through a threaded hole at the top of the groove, and the fixing disc is provided with a supporting rod; the fixing device further comprises a plurality of types of bolts, the top of each bolt can be matched with the threaded hole in the groove of the bottom plate, and the pin body of each bolt corresponds to a bolt hole of a different specification; the device is convenient for an operator to hold and fix on the laser target ball for measurement, the bottom has a plurality of placement structures, the laser target ball can select a fixing mode according to the selection of a measured object, deviation of the detection result is avoided, and other fixing devices do not need to be replaced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of laser measurement, and relates to a fixing scheme for a target ball of a laser tracker, in particular to a fixing device for the target ball of the laser tracker and a use method. BACKGROUND

[0002] The laser tracker is a high-precision large-size measuring instrument in an industrial measuring system, which is combined with laser interference distance measuring technology, photoelectric detection technology, precision mechanical technology, computer and control technology and various advanced technologies, and has the characteristics of high precision, high efficiency, real-time tracking measurement, quick installation and simple operation and is suitable for large-size workpiece assembly measurement.

[0003] When measuring, an operator generally holds the target ball by hand, but the target ball is smooth in surface and is easy to fall off from the hand of the operator and be damaged, and secondly, some target balls are fixed on a measured object by a fixing device, but the fixing device cannot select a fixing mode according to the shape of the measured object when being used, so that the detection result has deviation and other problems, or various fixing devices need to be prepared, which greatly increases the use cost. SUMMARY

[0004] In order to solve the above problems, the application provides a fixing device for a target ball of a laser tracker and a use method, and a fixing device can be used for different installation and fixing modes of the laser target ball.

[0005] The technical scheme of the application is as follows:

[0006] The fixing device for the target ball of the laser tracker comprises a bottom plate and a fixing seat, the fixing seat is an annular seat with external threads for fixing the base of the laser target ball, and the fixing seat is arranged above the bottom plate; wherein both sides of the bottom plate are provided with mounting assemblies, the mounting assemblies are extended or retracted into the bottom plate through a screw-nut structure; the bottom of the bottom plate is provided with a groove, a fixing disc is installed in the groove of the bottom plate through a threaded hole at the top of the groove, and at least three retractable supporting rods are arranged on the fixing disc; and the fixing device further comprises a plurality of specifications of bolts, the top of each bolt is provided with a uniform external thread matched with the threaded hole in the groove of the bottom plate, and the pin body of each bolt corresponds to a bolt hole of different specifications.

[0007] Further, the fixing seat specifically comprises a fixing ring, an outer threaded seat, a fixing rod, a clamping plate and a pressing plate, the outer threaded seat is provided with a communicating strip-shaped groove at both sides, the fixing rod extends from both ends of the strip-shaped groove, the fixing ring is a ring-shaped structure with internal threads screwed on the outer threaded seat, the bottom of the fixing ring is arranged above the fixing rod; the inner side of the clamping plate is a bayonet, the clamping plate is hinged to the inner wall surface of the outer threaded seat, there are two clamping plates, the bayonets of the two clamping plates are symmetrically clamped at both ends of the base of the laser target ball and the pressing plate; the pressing plate is connected with the fixing rod.

[0008] Further, at least one elastic sheet is further included, the elastic sheet is installed on the upper surface of the bottom plate, the elastic sheet is gradually bent in the process that the fixing ring is screwed into the outer threaded seat and moves downward; the outer threaded seat is provided with a notch at the position corresponding to the clamping plate, and the elastic sheet is arranged outside the notch.

[0009] Further, the two sides of the bottom plate have two symmetrical cavities, and two mounting assemblies are symmetrically arranged in the two side cavities of the bottom plate; the mounting assembly comprises a bidirectional threaded rod, a fixing block, a connecting rod and a mounting plate, the mounting plate is arranged at the cavity opening of the bottom plate, the mounting plate is hinged with two connecting rods, the two connecting rods are respectively hinged with two fixing blocks, and the two fixing blocks are respectively connected with the outer threads of the two directions of the bidirectional threaded rod; one end of the bidirectional threaded rod extends out of the surface of the bottom plate to form a knob.

[0010] Further, the middle top of the fixing disc is a screw thread column matched with the threaded hole in the groove of the bottom plate, and the bottom of the fixing disc is provided with at least three fixing frames, and at least three supporting rods are respectively hinged with the fixing frames.

[0011] Further, a protection plate is further included, the groove of the bottom plate is a square groove, a clamping groove is arranged at the inner side of the square groove of the bottom plate near the bottom, the clamping groove is communicated with the side surface of the bottom plate, and the protection plate is inserted into the clamping groove.

[0012] A use method of the fixing device of the laser tracker target ball, the fixing device of the laser tracker target ball is used, when the laser target ball is installed on the structure with the groove, after the laser target ball is installed and fixed, the fixing device is placed in the groove of the structure, the mounting assembly is extended until abutting against both ends of the groove of the structure by adjusting the screw-nut structure, and the fixing of the laser target ball is completed.

[0013] A use method of the fixing device of the laser tracker target ball, the fixing device of the laser tracker target ball is used, when the laser target ball is installed on the structure with the groove, after the laser target ball is installed and fixed, the fixing device is placed on the plane or curved surface by using the supporting rods when all the supporting rods on the fixing disc are adjusted to the open state; when placed on the curved surface, the posture of the fixing device is finally adjusted by the position of the supporting rod to make the laser target ball stable.

[0014] The application relates to a method for using a fixing device of a laser tracker target ball, and the fixing device of the laser tracker target ball is used.

[0015] The application has the following beneficial effects:

[0016] 1、The fixing ring, the clamping plate, the strip-shaped groove, the fixing rod, the pressing plate and the elastic sheet are arranged, the laser target ball is fixed with the device, the installation mode is simple and reliable, the fixing ring is rotated downward, the fixing rod and the pressing plate are driven to move downward, the clamping plate is driven to rotate from below, the clamping plate is clamped to the base of the laser target ball from above, the structure is simple and reliable, and the laser target ball can be fixed firmly.

[0017] 2、When the fixing ring is rotated upward, the elastic sheet is restored to the original shape under the action of the elastic force, finally the elastic sheet touches the clamping plate in the gap of the outer threaded seat, an inward force is applied to the bottom of the clamping plate, the clamping plate converts the inward force of the bottom into rotating movement around the hinge column because the clamping plate is hinged with the outer threaded seat, the gap above the clamping hole is gradually opened, the clamping hole is gradually lifted from below, and the laser target ball is sent out.

[0018] 3、The device has proper size and is consistent with the size of the laser target ball, so that an operator can hold the device to install the device on the laser target ball for measurement, and the laser target ball can be prevented from falling from the operator's hand and being damaged due to the smooth surface of the laser target ball.

[0019] 4、The bottom of the device has various placing structures, so that the laser target ball can select a fixing mode according to the selection of a measured object, the applicable objects include a plane, a curved surface, a groove and a positioning hole, the fixing mode is stabilized, the detection result is prevented from being deviated, and other fixing devices are not needed to be replaced. DETAILED DESCRIPTION

[0020] Figure 1 It is an internal structure diagram of the application;

[0021] Figure 2 It is an overall structure diagram of the application;

[0022] Figure 3 It is a sectional structure diagram of the bottom plate and the fixing seat of the application;

[0023] Figure 4 It is a structure diagram of the protection plate of the application;

[0024] Figure 5Structure diagram of the fixed disc of the present application;

[0025] Figure 6 Structure diagram of the installation assembly of the present application;

[0026] Figure 7 Structure diagram of the bolt of the present application;

[0027] 1-base plate; 2-laser target ball; 3-fixing ring; 4-clamping plate; 5-strip-shaped groove; 6-fixing rod; 7-pressing plate; 8-installation assembly; 81-bi-directional threaded rod; 82-fixing block; 83-connecting rod; 84-connecting plate; 85-mounting plate; 9-elastic sheet; 10-fixed disc; 11-threaded column; 12-fixing frame; 13-supporting rod; 14-clamping groove; 15-protection plate; 16-bolt. DETAILED DESCRIPTION

[0028] This part is the embodiment of the present application, which is used to explain and illustrate the technical scheme of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship as the orientation or positional relationship given to the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or the case referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include more features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0030] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be interpreted broadly, for example, it can be fixed connection, or detachable connection or integrated connection; it can be mechanical connection, or point connection; it can be direct connection, or indirect connection through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0031] The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] The utility model provides a kind of fixing device of laser tracker target ball, including bottom plate 1 and fixed seat, fixed seat is the annular seat with external thread for the base of the bottom of laser target ball 2, fixed seat is equipped on the top of bottom plate 1;Wherein, the two sides of bottom plate 1 are equipped with mounting assembly 8, mounting assembly 8 is extended or retracted in bottom plate 1 by screw-nut structure;The bottom of bottom plate 1 is recessed, fixed disc 10 is installed in the recess of bottom plate 1 by the threaded hole on the top of recess, and at least three retractable support rods are provided on fixed disc 10;It further includes a variety of specifications of latch bolt, the top of each latch bolt has uniform external thread matched with the threaded hole in the recess of bottom plate 1, and the pin body of each latch bolt corresponds to different specifications of latch hole.

[0033] Fixed seat specifically includes fixed ring 3, external thread seat, fixed rod 6, clamping plate 4 and pressing plate 7, external thread seat is equipped with the strip-shaped slot 5 of intercommunication on both sides, fixed rod 6 is extended from both ends of strip-shaped slot 5, fixed ring 3 is annular structure with internal thread and is screwed on external thread seat, and the bottom of fixed ring 3 is equipped above fixed rod 6;The inner side of clamping plate 4 is bayonet, and clamping plate 4 is hinged on the inner wall surface of external thread seat, and clamping plate 4 has two, and the bayonet of two clamping plates 4 is symmetrically clamped at the bottom of laser target ball 2 and both ends of pressing plate 7;Pressing plate 7 is connected with fixed rod 6.

[0034] It further includes at least one elastic sheet 9, and the elastic sheet 9 is installed on the upper surface of bottom plate 1, and the elastic sheet 9 is gradually bent in the process that fixed ring 3 is screwed into external thread seat and moves downward;External thread seat is provided with a notch corresponding to clamping plate 4, and the elastic sheet 9 is arranged outside the notch.

[0035] Two cavities are formed in the two side surfaces of bottom plate 1, and two mounting assemblies 8 are symmetrically arranged in the two cavities of bottom plate 1;The mounting assembly 8 includes a bidirectional threaded rod 81, a fixed block 82, a connecting rod 83 and a mounting plate 85, the mounting plate 85 is arranged at the cavity opening of bottom plate 1, the mounting plate 85 is hinged with two connecting rods 83, the two connecting rods 83 are respectively hinged with two fixed blocks 82, and the two fixed blocks 82 are respectively connected with the external threads of two directions of bidirectional threaded rod 81;One end of bidirectional threaded rod 81 is extended out of the surface of bottom plate 1 to form a knob.

[0036] The middle top of fixed disc 10 is a threaded column 11 matched with the threaded hole in the recess of bottom plate 1, and the bottom of fixed disc 10 is provided with at least three fixing frames 12, and at least three support rods 13 are respectively hinged with the fixing frames 12.

[0037] It further includes a protection plate 15, the recess of bottom plate 1 is a square groove, and a clamping groove 14 is formed in the inner side of the square groove of bottom plate 1 near the bottom, the clamping groove 14 is communicated with the side surface of bottom plate 1, and the protection plate 15 is inserted into the clamping groove 14.

[0038] The application relates to a method for using a fixing device for a laser tracker target ball, and the fixing device is used to fix the laser target ball on a structure with a groove.

[0039] The application relates to a method for using a fixing device for a laser tracker target ball, and the fixing device is used to fix the laser target ball on a plane or a curved surface.

[0040] The application relates to a method for using a fixing device for a laser tracker target ball, and the fixing device is used to fix the laser target ball on a structure with a pin hole.

[0041] The application relates to a fixing device for a laser tracker target ball. Figures 1-6 The application relates to a fixing device for a laser tracker target ball.

[0042] The fixed seat comprises an outer threaded seat, the inner wall of one side of the outer threaded seat is respectively hinged with a clamping plate 4, the side wall of the outer threaded seat is respectively provided with a through strip-shaped groove 5, a fixed rod 6 is transversely inserted in the strip-shaped groove 5, the side wall of the fixed rod 6 is provided with a pressing plate 7, the laser target ball 2 is connected with the pressing plate 7 through the clamping plate 4, the side wall of the outer threaded seat is threadedly connected with a fixed ring 3, the fixed ring 3 is located above the fixed rod 6, the fixed ring 3 is threadedly connected with the outer side of the outer threaded seat, is manually rotated to be lowered, then the fixed ring 3 is lowered to drive the fixed rod 6 in the strip-shaped groove 5 to move, so that the pressing plate 7 on the fixed rod 6 presses the clamping plate 4 hinged on the inner side of the outer threaded seat to move, finally the laser target ball 2 is fixed in the fixed seat through the other end of the clamping plate 4, thereby preventing the laser target ball 2 from falling off and being damaged due to the smooth surface of the laser target ball 2, the top outer wall of the bottom plate 1 is respectively provided with an elastic sheet 9, the top end of the elastic sheet 9 is in contact with the clamping plate 4, then the fixed ring 3 is upwardly rotated, then the elastic sheet 9 drives the clamping plate 4 to reset, thereby facilitating the disassembly of the laser target ball 2.

[0043] The installation assembly 8 comprises a bidirectional threaded rod 81, the bidirectional threaded rod 81 is located on the inner wall of one side of the bottom plate 1, two fixed blocks 82 are threadedly connected on the two directions of threads of the bidirectional threaded rod 81, one connecting rod 83 is hinged on each fixed block 82 through a respective fixed frame, the other end of the two connecting rods 83 is hinged with a connecting plate 84, the connecting plate 84 is installed on the inner side of the mounting plate 85, the bidirectional threaded rod 81 is manually rotated, then the bidirectional threaded rod 81 drives the connecting rod 83 to move through the fixed block 82, then the first connecting plate 84 and the mounting plate 85 are pushed out from the inside of the bottom plate 1 through the moving connecting rod 83, thereby facilitating the fixing of the bottom plate 1 and the laser target ball 2 on the detected object.

[0044] The fixed disc 10 is threadedly connected with the bottom plate 1 through the threaded column 11, the threaded column 11 facilitates the disassembly and replacement of the fixed disc 10.

[0045] The inner walls of the two sides of the bottom plate 1 are respectively provided with clamping grooves 14, the bottom plate 1 is clamped with a protection plate 15 through the clamping grooves 14, the protection plate 15 is located on one side of the supporting rod 13, the clamping grooves 14 and the protection plate 15 facilitate the protection of the supporting rod 13, avoid the private movement of the supporting rod 13, and thereby avoid the influence on the detection.

[0046] The side wall of the pressing plate 7 is provided with a buffer pad, the material of the buffer pad is rubber or sponge, the buffer pad facilitates the anti-skid of the laser target ball 2, thereby avoiding the influence on the use of the laser target ball 2 due to vibration and other phenomena during the installation and disassembly of the laser target ball 2.

[0047] Wherein, a plurality of specifications of the latch 16 can be respectively applied to a plurality of latch holes, and the top end of the latch 16 is provided with external threads and is screwed with the bottom plate 1.

[0048] Working principle: when in use, the laser target ball 2 is placed on the pressing plate 7 inside the bottom plate 1, then the fixed ring 3 outside the bottom plate 1 is manually rotated, so that the fixed rod 6 and the pressing plate 7 are driven to move downward under the action of the strip-shaped groove 5, then the clamping plate 4 is pressed and moved by the downward moving pressing plate 7, so that the clamping plate 4 fixes the laser target ball 2 on the bottom plate 1.

[0049] The bidirectional threaded rod 81 is manually rotated, so that the connecting rod 83 is driven to move through the fixed block 82, and then the first connecting plate 84 and the mounting plate 85 are pushed out from the inside of the bottom plate 1 through the moving connecting rod 83, so that the bottom plate 1 and the laser target ball 2 are conveniently fixed on the detected object.

Claims

1. A fixture for a laser tracker target ball, the fixture comprising: The utility model provides a kind of laser target ball fixing device, including bottom plate (1) and fixed seat, fixed seat is the annular seat with external thread for fixing the base of laser target ball (2), fixed seat is located above bottom plate (1);Wherein, the both sides of bottom plate (1) are equipped with installation assembly (8), installation assembly (8) is extended or retracted in bottom plate (1) by screw-nut structure;The bottom of bottom plate (1) is recessed, fixed disc (10) is installed in the recess of bottom plate (1) by the threaded hole on the top of recess, and at least three retractable support rods are provided on fixed disc (10);It further includes a variety of bolts, the top of each bolt has uniform external thread matched with the threaded hole in the recess of bottom plate (1), and the pin body of each bolt corresponds to different bolt holes; Fixed seat specifically includes fixed ring (3), external thread seat, fixed rod (6), clamping plate (4) and pressing plate (7), the both sides of external thread seat are equipped with intercommunicating strip grooves (5), and fixed rod (6) extends from the both ends of strip groove (5), and fixed ring (3) is annular structure with internal thread and is screwed on external thread seat, and the bottom of fixed ring (3) is located above fixed rod (6);The inner side of clamping plate (4) is bayonet, and clamping plate (4) is hinged on the inner wall surface of external thread seat, and clamping plate (4) has two, and the bayonet of two clamping plates (4) is symmetrically clamped at the both ends of the base of laser target ball (2) and pressing plate (7);Pressing plate (7) is connected with fixed rod (6); It further includes at least one elastic sheet (9), and the elastic sheet (9) is installed on the upper surface of bottom plate (1), and the fixed ring (3) is screwed into the external thread seat and gradually bends the elastic sheet (9) during downward movement;External thread seat is provided with a notch corresponding to clamping plate (4), and elastic sheet (9) is arranged outside the notch.

2. A fixture for a target ball of a laser tracker according to claim 1, wherein, The both sides of bottom plate (1) have two symmetrical cavities, and two installation assemblies (8) are symmetrically arranged in the both side cavities of bottom plate (1);Installation assembly (8) includes bidirectional threaded rod (81), fixed block (82), connecting rod (83) and mounting plate (85), mounting plate (85) is arranged at the cavity opening of bottom plate (1), mounting plate (85) is hinged with two connecting rods (83), two connecting rods (83) are respectively hinged with two fixed blocks (82), and two fixed blocks (82) are respectively connected with the external threads of two directions of bidirectional threaded rod (81);One end of bidirectional threaded rod (81) extends out of the surface of bottom plate (1) to form a knob.

3. The fixture of claim 1, wherein: The middle top of fixed disc (10) is a threaded column (11) matched with the threaded hole in the recess of bottom plate (1), and the bottom of fixed disc (10) is provided with at least three fixing frames (12), and at least three support rods (13) are respectively hinged with fixing frames (12).

4. The fixture of claim 1, wherein: It further includes a protective plate (15), the recess of bottom plate (1) is a square groove, and the inner side of square groove of bottom plate (1) is provided with a clamping groove (14) near the bottom, and the clamping groove (14) is communicated with the side of bottom plate (1), and the protective plate (15) is inserted in the clamping groove (14).

5. A method of using a fixing device for a laser tracker target ball, comprising using a fixing device for a laser tracker target ball as described in any one of claims 1-4, characterized in that, When installing laser target ball on the structure with groove, after installing and fixing laser target ball, the fixing device is placed in the groove of structure, and the installation assembly is extended until the both ends of structure groove are tightly contacted by adjusting screw-nut structure, and the fixation of laser target ball is completed.

6. A method of using a fixing device for a laser tracker target ball, comprising using a fixing device for a laser tracker target ball as described in any one of claims 1-4, characterized in that, When installing the laser target ball on a plane or a curved surface, after the laser target ball is installed and fixed, all the supporting rods on the fixing disc are adjusted to the open state, and then the fixing device is placed on the plane or the curved surface using the supporting rods; when placed on the curved surface, the posture of the fixing device is finally adjusted using the position of the supporting rods to make the laser target ball stable.

7. A method of using a laser tracker target ball fixture, using a laser tracker target ball fixture according to any one of claims 1-4, characterized in that, When installing the laser target ball on a structure with a bolt hole, after the laser target ball is installed and fixed, the fixing disc is disassembled, the bolt corresponding to the bolt hole is found, the bolt is screwed into the internal thread hole of the bottom plate groove, and after the bolt is tightened, the other end of the bolt is inserted into the bolt hole of the structure, and the fixing of the laser target ball is completed.

Images