CN220807292U - Precise mechanical system of two-dimensional tracking turntable - Google Patents

Abstract

The application discloses a two-dimensional tracking turntable precision mechanical system which comprises a base, an outer ring structure arranged on the base and an inner ring structure rotatably arranged on the outer ring structure, wherein a rotating tray is rotatably arranged in the inner ring structure, a load table top is arranged on the rotating tray through an adjusting device, the adjusting device comprises a rotating ring rotatably arranged in the rotating tray, a plurality of adjusting rods are hinged on the rotating ring, one ends of the adjusting rods, far away from the rotating ring, are hinged with the bottom of the rotating tray, and locking mechanisms for locking the rotating ring are symmetrically arranged on the outer side of the rotating tray. The application can play an effective fine tuning effect on the height of the load table top so as to reduce errors caused by the fact that the tested equipment is not coaxial with the axis of the turntable, thereby ensuring that the test result of the tested equipment is more accurate.

Description

Precise mechanical system of two-dimensional tracking turntable

Technical Field

The application relates to the technical field of test equipment, in particular to a two-dimensional tracking turntable precision mechanical system.

Background

At present, the turntable is a short for a rotary workbench, has strong universality and wide application range, is an important indexing accessory of a machine tool in the field of machining, can be matched with a precise milling machine, a boring machine, a grinding machine and the like to realize precise angle detection, and has wide application in the fields of motion simulation, inertial navigation test, a numerical control machine tool, radar control and the like. The two-dimensional turntable can realize two-dimensional angle rotation measurement, and can be applied to the fields of inertial navigation, optical test and the like.

The turntable in the related art generally comprises a base, an outer ring assembly and an inner ring assembly, wherein the outer ring assembly is installed on the base, the inner ring assembly is rotatably installed in the outer ring assembly, and the outer ring assembly is used for driving the inner ring assembly to rotate around a pitching axis Y. Meanwhile, a load table board is further arranged on the inner ring assembly through an inner ring shaft system, the load table board is driven to rotate around an azimuth axis X through a direct current torque motor, tested equipment is fixedly arranged on the load table board through bolts, and various testing conditions and environments are provided for the tested equipment according to requirements and input, so that performance of the tested equipment is verified.

With respect to the related art in the above, the inventors consider that: the position of the load table top is fixed, and the tested equipment is arranged on the load table top, so that the height of the tested equipment cannot be finely adjusted, and the two moving shafts of the tested equipment cannot be coaxial with the two axes of the turntable, so that the test result of the tested equipment is influenced.

Disclosure of utility model

The application aims to provide a two-dimensional tracking turntable precision mechanical system, which aims to solve the problems that the position of a load table surface is fixed, tested equipment is arranged on the load table surface, and the height of the tested equipment cannot be finely adjusted, so that the two moving axes of the tested equipment cannot be coaxial with the two axes of a turntable, and the test result of the tested equipment is affected.

The application provides a two-dimensional tracking turntable precision mechanical system, which adopts the following technical scheme:

The utility model provides a precise mechanical system of revolving stage is trailed to two dimension, includes the base, set up in outer loop structure on the base and rotate set up in inner loop structure on the outer loop structure, inner loop structure internal rotation is provided with rotates the tray, be provided with the load mesa through adjusting device on the rotation tray, adjusting device including rotate set up in rotate the rotatory ring in the tray, articulated on the rotatory ring have many regulation poles, the regulation pole keep away from the one end of rotatory ring with the bottom of rotation tray articulates mutually, still the symmetry is provided with on the outside of rotation tray and is used for right the locking mechanical system that the rotatory ring carries out the locking.

Further, the locking mechanism comprises a sliding seat which is arranged on the outer side of the rotating tray in a sliding manner, a locking plate is arranged on one side of the sliding seat in a rotating manner through a swinging assembly, a plurality of locking rods are arranged on one side of the locking plate, which faces the rotating tray, through a traction assembly, a plurality of locking grooves with the locking rods Xiang Kage are formed in the outer side wall of the rotating tray, and a connecting assembly is further arranged between the sliding seat and the rotating ring.

Further, the swing assembly comprises a swing rod, a swing groove is formed in one side of the sliding seat, two ends of the swing rod are respectively connected to groove walls on two sides of the swing groove, a swing sleeve is further arranged on one side of the locking plate, and the swing sleeve is rotatably sleeved on the swing rod.

Further, limiting pieces are symmetrically arranged on the sliding seat, each limiting piece comprises a limiting column arranged on the sliding seat, limiting blocks are rotatably arranged on the corresponding limiting columns, and the limiting blocks are abutted against the locking plates.

Further, the traction assembly comprises a sliding block arranged in the locking plate in a sliding manner, a sliding cavity matched with the sliding block is formed in the locking plate, a locking frame is arranged on one side of the sliding block, facing the rotating tray, of the sliding block, a plurality of locking rods are arranged on one side, deviating from the sliding block, of the locking frame, sliding holes communicated with the sliding cavity are formed in the locking plate, the sliding holes are matched with the locking frame, and a traction piece is arranged on one side, deviating from the locking frame, of the sliding block.

Further, the traction piece comprises a traction rod arranged on one side, deviating from the locking frame, of the sliding block, the traction rod penetrates through the locking plate along the sliding hole, a spring is further arranged in the sliding cavity, and the spring is sleeved on the traction rod.

Further, one end of the traction rod, which is far away from the sliding block, is also provided with a traction block.

Further, the connecting assembly comprises a connecting rod arranged on the outer side of the rotating ring, a sliding groove is formed in the outer side of the rotating tray, one end, far away from the rotating ring, of the connecting rod penetrates through the rotating tray along the sliding groove, and one end, far away from the rotating ring, of the connecting rod is further arranged on the sliding seat through a fixing piece.

Further, the mounting is including setting up in the connecting rod is kept away from fixing screw on the swivel becket one end, the sliding seat deviates from one side of rotating the tray seted up with fixing screw matched with counter bore, be provided with in the counter bore with fixing screw threaded connection's fixation nut.

Further, a plurality of sliding blocks are arranged on the outer sides of the periphery of the load table top, and a plurality of sliding grooves matched with the sliding blocks are formed in the inner side of the rotating tray.

Compared with the prior art, the application has the beneficial effects that: when the height of the load table top needs to be adjusted, the rotating ring in the rotating tray is rotated, and the rotating ring drives one ends of the plurality of adjusting rods to move, so that the plurality of adjusting rods jack up the load table top simultaneously, the effect of effectively fine-adjusting the height of the load table top is achieved, errors caused by different axes of tested equipment and the turntable are reduced, and the testing result of the tested equipment is more accurate.

Meanwhile, the locking mechanism is arranged to achieve an effective locking effect on the rotating ring, so that the adjusting rod on the rotating ring can bear the load of the load table surface more firmly, the stability of the tested equipment is improved, and the testing result of the tested equipment can be further accurate.

Drawings

FIG. 1 is a schematic diagram of a two-dimensional tracking turntable precision mechanical system according to an embodiment of the present application.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

Fig. 3 is a schematic structural view of an adjusting device according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a portion B in fig. 3.

Reference numerals illustrate: 1. a base; 2. an outer ring structure; 3. an inner ring structure; 4. rotating the tray; 41. a fixing groove; 42. a rotating ring; 43. an adjusting rod; 44. a locking groove; 45. a sliding groove; 46. a chute; 47. a connecting rod; 48. a fixed screw; 5. a load table; 51. a slide block; 6. a sliding seat; 61. a swinging groove; 62. a swinging rod; 63. a limit column; 64. a limiting block; 65. a countersunk hole; 66. a fixing nut; 7. a locking plate; 71. swinging the sleeve; 72. a sliding cavity; 73. a sliding block; 74. a sliding hole; 75. a traction rod; 76. a spring; 77. a traction block; 78. a locking frame; 79. a locking lever; 8. and a mechanical locking device.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a two-dimensional tracking turntable precision mechanical system. Referring to fig. 1 and 2, in the present embodiment, the two-dimensional tracking turntable precision mechanical system includes a base 1, an outer ring structure 2, and an inner ring structure 3. Wherein, outer loop structure 2 is installed on base 1, and inner loop structure 3 rotation is installed on outer loop structure 2, and outer loop structure 2 is used for driving inner loop structure 3 to rotate on base 1.

Meanwhile, a rotating tray 4 is installed inside the bottom of the inner ring structure 3 through a direct current torque motor, and the direct current torque motor is used for driving the rotating tray 4 to rotate. A fixed groove 41 is formed in the top of the rotary tray 4, a load table top 5 is arranged in the groove of the fixed groove 41 through an adjusting device, the load table top 5 is made of super-hard aluminum, and the load table top 5 is movably arranged in the fixed groove 41; the adjusting device is used for jacking the load table top 5, so that the effect of effectively fine-adjusting the height of the load table top 5 can be achieved, errors caused by different axes of tested equipment and the turntable are reduced, and the testing result of the tested equipment is more accurate.

Preferably, a plurality of sliding blocks 51 are arranged on the outer sides of the periphery of the load table top 5, a plurality of sliding grooves 46 are formed on the inner sides of the periphery of the rotary tray 4, the sliding grooves 46 are communicated with the fixed grooves 41, and the sliding grooves 46 are matched with the sliding blocks 51; when adjusting device jack-up regulation to load mesa 5, slider 51 on the load mesa 5 carries out lift adjustment along spout 46 to be convenient for play effective direction and spacing effect to load mesa 5, and then make load mesa 5 more stable carry out lift adjustment in rotating tray 4.

And in this embodiment mechanical locking means 8 are mounted on both the side of the outer ring structure 2 and the bottom side of the inner ring structure 3. Specifically, the mechanical locking device 8 mounted on the outer ring structure 2 is used for effectively locking the inner ring structure 3; the mechanical locking device 8 arranged on the inner ring structure 3 is used for effectively locking the rotary tray 4, so that equipment and personnel damage caused by free rotation of the shafting during transportation can be avoided by arranging the two mechanical locking devices 8, and meanwhile, the installation operation is convenient. Meanwhile, a travel switch is further arranged on the two mechanical locking devices 8, and the travel switch can ensure that the turntable cannot be electrified under the condition that the mechanical locking devices 8 are locked, so that the situation that personnel get an electric shock is reduced.

Referring specifically to fig. 2-4, in this embodiment, the adjustment device includes a rotating ring 42, an adjustment lever 43, and a locking mechanism. Wherein the rotating ring 42 is rotatably installed in the fixing groove 41 of the rotating tray 4; the adjusting rods 43 are provided with a plurality of adjusting rods 43, one ends of the plurality of adjusting rods 43 are respectively and annularly hinged to the top of the rotating ring 42, and one ends of the plurality of adjusting rods 43, which are far away from the rotating ring 42, are respectively and annularly hinged to the bottom of the rotating tray 4.

When the rotating ring 42 is rotated, the rotating ring 42 drives one ends of the plurality of adjusting rods 43 to move at the same time, so that the other ends of the plurality of adjusting rods 43 jack up the load table top 5 at the same time, and the effect of effectively fine-adjusting the height of the load table top 5 is achieved.

The locking mechanism is provided with two, and two locking mechanism symmetry sets up on the two outsides of rotating tray 4, and locking mechanism is used for carrying out effective locking to the swivel becket 42 to fix a position the position of swivel becket 42, so that adjust pole 43 on the swivel becket 42 bear load mesa 5 more firmly, in order to improve the stability of the equipment that is surveyed, and then also can further make the test result of the equipment that is surveyed more accurate.

In particular, referring to fig. 2-4, in this embodiment, the locking mechanism includes a slide 6, a locking plate 7, a swing assembly, a locking lever 79, a traction assembly, and a connection assembly. Wherein, sliding seat 6 slides and sets up on the lateral wall of rotating tray 4, and has seted up sliding tray 45 on the outside of rotating tray 4, and the length direction of sliding tray 45 is parallel with the direction of rotation of rotating tray 4, and sliding tray 45 and sliding seat 6 mutually support for sliding seat 6 slides on the outside of rotating tray 4 along sliding tray 45.

Meanwhile, a connection assembly is provided between the slide mount 6 and the rotary ring 42, and the connection assembly includes a connection rod 47 and a fixing member. One end of the connecting rod 47 is fixedly connected to the outer side of the rotating ring 42, and the other end of the connecting rod 47 is fixedly connected with one side of the sliding seat 6 through a fixing piece; and the connecting rod 47 is matched with the sliding groove 45, so that one end of the connecting rod 47 far away from the rotating ring 42 penetrates through the outer side of the rotating tray 4 along the sliding groove 45. When the sliding seat 6 is moved, the sliding seat 6 drives the connecting rod 47 to move along the sliding groove 45, and the connecting rod 47 drives the rotating ring 42 to rotate.

Specifically, the securing member includes a securing screw 48 and a securing nut 66. The fixed screw 48 is fixedly connected to one end of the connecting rod 47 far away from the rotating ring 42, and a counter-sunk hole 65 is formed in one side of the sliding seat 6 far away from the rotating tray 4, and the counter-sunk hole 65 is matched with the fixed screw 48, so that the fixed screw 48 penetrates through the sliding seat 6 along the counter-sunk hole 65; the fixing nut 66 is located in the counter bore 65, and the fixing nut 66 is in threaded connection with the fixing screw 48, and the fixing nut 66 is screwed into the fixing screw 48, so that the connecting rod 47 can be fastened and connected with the sliding seat 6 under the threaded fit of the fixing nut 66 and the fixing screw 48, and the sliding seat 6 drives the rotating ring 42 to rotate through the connecting rod 47.

In addition, referring to fig. 2 to 4, in the present embodiment, the locking plate 7 is rotatably provided on one side of the moving direction of the slide base 6, and the swing assembly is provided between the locking plate 7 and the slide base 6, so that the locking plate 7 swings under the action of the swing assembly. Specifically, the swing assembly includes a swing lever 62, a swing sleeve 71, and a limiter. The sliding seat 6 is provided with a swinging groove 61 on one side facing the locking plate 7, two ends of a swinging rod 62 are respectively and fixedly arranged on two side groove walls of the swinging groove 61, and the length direction of the swinging rod 62 is mutually perpendicular to the moving direction of the sliding seat 6.

The swing sleeve 71 is fixedly installed on the side of the locking plate 7 facing the sliding seat 6, and the swing sleeve 71 is rotatably sleeved on the swing rod 62, so that the swing sleeve 71 on the locking plate 7 swings with the swing rod 62 as a rotating shaft. The limiting piece is arranged on the sliding seat 6 to effectively limit the locking plate 7. Specifically, the stopper includes a stopper post 63 and a stopper 64. One end of the limiting column 63 is fixedly arranged on one side, away from the connecting rod 47, of the sliding seat 6, and the limiting column 63 is perpendicular to the sliding seat 6; the limiting block 64 is rotatably installed on one end of the limiting post 63 far away from the sliding seat 6, and the limiting block 64 and the locking plate 7 are mutually abutted.

When the stopper 64 is rotated so that the stopper 64 abuts on one side of the lock plate 7, the stopper 64 can limit the lock plate 7 so that the lock plate 7 cannot swing; when the stopper 64 is rotated so that the stopper 64 is on the side away from the lock plate 7, the restriction of the lock plate 7 is released, thereby enabling the lock plate 7 to swing on the side of the slide base 6.

In addition, referring to fig. 2 to 4, in the present embodiment, the locking bars 79 are provided in plurality, the plurality of locking bars 79 are simultaneously provided on the locking plate 7 by the traction assembly, and the plurality of locking grooves 44 are opened on the outer side wall of the rotating tray 4, and the locking grooves 44 are engaged with the locking bars 79 so that the locking bars 79 can be engaged in the locking grooves 44. The number of the locking grooves 44 is larger than that of the locking bars 79, so that the locking bars 79 can also have locking effect on the locking plates 7 at different positions when the sliding seat 6 drives the locking plates 7 to move, and the stability of the load table top 5 after the height adjustment can be improved.

Specifically, in the present embodiment, the traction assembly includes a slider 73, a lock bracket 78, and a traction member. Wherein, a sliding cavity 72 is arranged in the locking plate 7, and a sliding block 73 slides in the sliding cavity 72; one side of the locking frame 78 is fixedly mounted on one side of the sliding block 73 facing the rotating tray 4, one end of a plurality of locking rods 79 is simultaneously fixedly mounted on one side of the locking frame 78 facing away from the sliding block 73, a sliding hole 74 is formed in the locking plate 7 in a penetrating manner, the sliding hole 74 is communicated with the sliding cavity 72, and the locking frame 78 is matched with the sliding hole 74, so that one side of the locking frame 78 facing away from the sliding block 73 extends out of the locking plate 7 along the sliding hole 74.

Meanwhile, a traction member is provided on a side of the sliding block 73 facing away from the locking frame 78 to draw the sliding block 73 such that the sliding block 73 moves the locking lever 79 on the locking frame 78 out of the locking groove 44 or into the locking groove 44. More specifically, the traction member includes a traction lever 75 and a spring 76. Wherein, one end of the traction rod 75 is fixedly connected to one side of the sliding block 73 away from the locking frame 78, and the other end of the traction rod 75 is matched with the sliding hole 74, so that one end of the traction rod 75 away from the sliding block 73 extends out of the locking plate 7 along the sliding hole 74, thereby facilitating traction of the sliding block 73.

The spring 76 is positioned in the sliding cavity 72, the spring 76 is sleeved on the traction rod 75, one end of the spring 76 is connected with one side of the sliding block 73 away from the locking frame 78, and the other end of the spring 76 is connected with one side cavity wall of the sliding cavity 72 away from the locking frame 78; by utilizing the elastic expansion characteristic of the spring 76, when the traction rod 75 drives the sliding block 73 to move along the sliding cavity 72, the sliding block 73 compresses the spring 76, so that the locking frame 78 drives the locking rod 79 to move out of the locking groove 44, the sliding seat 6 is unlocked, and the rotating ring 42 is conveniently rotated, so that the height of the load table 5 is adjusted.

When the traction force to the traction rod 75 is withdrawn, under the elastic reset action of the spring 76, the spring 76 pushes against the sliding block 73, so that the sliding block 73 drives the locking rod 79 on the locking frame 78 to be inserted into the locking groove 44, the reset extrusion force of the spring 76 can also effectively push against the sliding block 73, the locking rod 79 can be firmly clamped in the locking groove 44, the sliding seat 6 can be locked, the rotating condition of the rotating ring 42 can be avoided, the stability of the adjusting rod 43 on the rotating ring 42 is improved, and the adjusting rod 43 is convenient for effectively supporting the load table top 5.

Preferably, referring to fig. 4, in the present embodiment, a traction block 77 is fixedly installed on an end of the traction rod 75 away from the sliding block 73, the traction block 77 is perpendicular to the traction rod 75, and the traction block 77 is located outside the locking plate 7; by providing the traction block 77, the traction lever 75 can be more conveniently pulled, so that the traction lever 75 pulls the sliding block 73.

The implementation principle of the two-dimensional tracking turntable precision mechanical system provided by the embodiment of the application is as follows: when the height of the load table top 5 needs to be adjusted, two sliding seats 6 on the outer side of the rotating tray 4 are moved simultaneously, the sliding seats 6 drive the rotating ring 42 to rotate, and the rotating ring 42 drives one ends of the plurality of adjusting rods 43 to move simultaneously, so that the other ends of the plurality of adjusting rods 43 jack up the load table top 5 simultaneously, and the height of the load table top 5 is adjusted to a required position.

Then swing locking plate 7 to one side of rotating tray 4 for locking lever 79 on the locking frame 78 inserts in locking groove 44, then utilizes the locating part to carry out effective spacing to the position of locking plate 7, thereby can lock sliding seat 6, make the regulation pole 43 on the swivel becket 42 can play effective firm effect to load mesa 5, accomplish the effect of adjusting the height of load mesa 5 like this, in order to reduce the error that causes because the equipment under test is different with the revolving stage axis, and then make the test result of equipment under test more accurate.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A two-dimensional tracking turntable precision mechanical system is characterized in that: including base (1), set up in outer loop structure (2) on base (1) and rotate set up in inner loop structure (3) on outer loop structure (2), inner loop structure (3) rotation is provided with rotation tray (4), be provided with load mesa (5) on rotation tray (4) through adjusting device, adjusting device including rotate set up in rotation ring (42) in rotation tray (4), it has many regulation pole (43) to articulate on rotation ring (42), adjust pole (43) keep away from the one end of rotation ring (42) with the bottom of rotation tray (4) articulates mutually, still the symmetry is provided with on the outside of rotation tray (4) be used for right rotation ring (42) carry out locking mechanism.

2. The two-dimensional tracking turntable precision mechanical system according to claim 1, wherein: the locking mechanism comprises a sliding seat (6) which is arranged on the outer side of the rotating tray (4) in a sliding manner, a locking plate (7) is arranged on one side of the sliding seat (6) in a rotating manner through a swinging assembly, a plurality of locking rods (79) are arranged on one side of the locking plate (7) towards the rotating tray (4) through a traction assembly, a plurality of locking grooves (44) with the locking rods (79) Xiang Kage are formed in the outer side wall of the rotating tray (4), and a connecting assembly is further arranged between the sliding seat (6) and the rotating ring (42).

3. A two-dimensional tracking turntable precision mechanical system as claimed in claim 2, wherein: the swinging assembly comprises a swinging rod (62), a swinging groove (61) is formed in one side of the sliding seat (6), two ends of the swinging rod (62) are respectively connected to groove walls on two sides of the swinging groove (61), a swinging sleeve (71) is further arranged on one side of the locking plate (7), and the swinging sleeve (71) is rotatably sleeved on the swinging rod (62).

4. A two-dimensional tracking turntable precision mechanical system according to claim 3, characterized in that: still symmetry is provided with the locating part on sliding seat (6), the locating part including set up in spacing post (63) on sliding seat (6), rotate on spacing post (63) and be provided with stopper (64), stopper (64) with locking plate (7) looks butt.

5. A two-dimensional tracking turntable precision mechanical system as claimed in claim 2, wherein: the traction assembly comprises a sliding block (73) arranged in a locking plate (7), a sliding cavity (72) matched with the sliding block (73) is formed in the locking plate (7), one side, facing the rotating tray (4), of the sliding block (73) is provided with a locking frame (78), a plurality of locking rods (79) are arranged on one side, deviating from the sliding block (73), of the locking frame (78), sliding holes (74) communicated with the sliding cavity (72) are formed in the locking plate (7), the sliding holes (74) are matched with the locking frame (78), and one side, deviating from the locking frame (78), of the sliding block (73) is also provided with a traction piece.

6. The two-dimensional tracking turntable precision mechanical system according to claim 5, wherein: the traction piece comprises a traction rod (75) arranged on one side, deviating from the locking frame (78), of the sliding block (73), the traction rod (75) penetrates through the locking plate (7) along the sliding hole (74), a spring (76) is further arranged in the sliding cavity (72), and the spring (76) is sleeved on the traction rod (75).

7. The two-dimensional tracking turntable precision mechanical system according to claim 6, wherein: and one end of the traction rod (75) far away from the sliding block (73) is also provided with a traction block (77).

8. A two-dimensional tracking turntable precision mechanical system as claimed in claim 2, wherein: the connecting assembly comprises a connecting rod (47) arranged on the outer side of the rotating ring (42), a sliding groove (45) is formed in the outer side of the rotating tray (4), one end, away from the rotating ring (42), of the connecting rod (47) penetrates through the rotating tray (4) along the sliding groove (45), and one end, away from the rotating ring (42), of the connecting rod (47) is further arranged on the sliding seat (6) through a fixing piece.

9. The two-dimensional tracking turntable precision mechanical system according to claim 8, wherein: the fixing piece comprises a fixing screw (48) arranged on one end of the connecting rod (47) away from the rotating ring (42), a countersunk hole (65) matched with the fixing screw (48) is formed in one side, deviating from the rotating tray (4), of the sliding seat (6), and a fixing nut (66) in threaded connection with the fixing screw (48) is arranged in the countersunk hole (65).

10. A two-dimensional tracking turntable precision mechanical system as claimed in claim 2, wherein: a plurality of sliding blocks (51) are arranged on the outer sides of the periphery of the load table top (5), and a plurality of sliding grooves (46) matched with the sliding blocks (51) are formed in the inner side of the rotary tray (4).