Test rotary table with stable locking mechanism

Abstract

The utility model discloses a test rotary table with a stable locking mechanism, which relates to the technical field of mechanical test rotary tables and comprises a fixed seat, a positioning fluted disc fixedly sleeved at one end of the surface of a rotating shaft, the positioning fluted disc is rotatably mounted in the fixed seat through the rotating shaft, and a positioning component is mounted on one side of the positioning fluted disc in the fixed seat. Through cooperation of the positioning assembly and the positioning fluted disc, immediate locking after rotation of the test board is completed, and the problems that after rotation adjustment of an existing test board is stopped, locking is not stable enough, deviation occurs between a locked position and a needed positioning position, detection position correspondence is not accurate enough, and detection errors occur are solved. Under the assistance of an auxiliary ring and four pulleys installed on the four sides of the rotating seat, the stability of the rotating seat and the test table during rotation is improved, and the problems that the existing test rotary table completes supporting and fixing of the test table only through a supporting frame, the stability of the test rotary table during rotation is poor, and the test result is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical testing turntables, in particular to a testing turntable with a stable locking mechanism. Background Art

[0002] The test turntable is a platform-type multifunctional testing equipment with functions such as position, speed, and swing. It can meet the functional testing and experiments of inertial systems and inertial components. The object to be tested is placed and fixed on the test turntable. Most of the existing test turntables have a rotatable adjustment function.

[0003] However, after the rotation adjustment of the existing test turntable is completed, the locking is not stable enough, which causes a certain deviation between the locked position and the required positioning position, resulting in inaccurate detection position correspondence, leading to detection errors. Secondly, the existing test turntable only supports and fixes the test table through a support frame, resulting in poor stability of the test turntable during rotation, affecting the test results. Utility Model Content

[0004] In order to solve the problem that the locking of the existing test turntable is not stable enough after the rotation adjustment is completed, which causes a certain deviation between the locked position and the required positioning position, resulting in inaccurate detection position correspondence and causing detection errors; the purpose of the utility model is to provide a test turntable with a stable locking mechanism.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a test turntable with a stable locking mechanism, comprising a fixed seat, a motor is installed in the fixed seat, a rotating shaft is fixedly installed at the output end of the motor, a rotating seat is fixedly installed at the top of the rotating shaft, and mounting frames are fixedly installed at the four corners of the top surface of the rotating seat. The number of the mounting frames is four, and the test bench is installed in the four mounting frames. A positioning gear disc is fixedly sleeved at one end of the surface of the rotating shaft, and the positioning gear disc is rotatably installed in the fixed seat through the rotating shaft. A positioning component is installed on one side of the positioning gear disc in the fixed seat, and the positioning component includes a positioning tooth buckle, which is meshed with the positioning tooth buckle, and a sliding rod is symmetrically installed on one side of the positioning tooth buckle. The number of the sliding rods is two, and the surfaces of the two sliding rods are both sleeved with a fixed sleeve, and one end of the two sliding rods located at the fixed sleeve is fixedly installed with a limiting member, and a reset spring is fixedly installed on one side of the limiting member, and the limiting member is slidably installed in the fixed sleeve, and the reset spring cooperates with the positioning tooth buckle through the limiting member and the sliding rod.

[0006] Preferably, the top surface of the fixed seat is fixedly installed with evenly distributed support rods, the number of the support rods is four, and auxiliary rings are fixedly installed on the top surfaces of the four support rods. Pullies are fixedly installed in the middle of the four sides of the rotating seat, and the four pulleys are slidably installed in the auxiliary rings. A sliding groove is opened on the inner side of the auxiliary ring, and the pulleys are slidably installed in the sliding groove, and the sliding groove and the pulley cooperate with each other.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. In the utility model, with the cooperation of the positioning assembly and the positioning gear disc, the test bench is immediately locked after rotation, which solves the problem that after the rotation adjustment of the existing test bench stops, the locking is not stable enough, resulting in a deviation between the locked position and the required positioning position, causing the detection position to correspond to an inaccurate position, resulting in errors in the detection;

[0009] 2. In the utility model, with the assistance of the auxiliary ring and the four pulleys installed on the four sides of the rotating seat, the stability of the rotating seat and the test table during rotation is increased, which solves the problem that the existing test turntable only supports and fixes the test table through the support frame, resulting in poor stability during rotation of the test turntable and affecting the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 This is a schematic diagram of the overall structure of the utility model.

[0012] Figure 2 This is a schematic diagram of the top surface structure of the fixing seat of the utility model.

[0013] Figure 3 This is a cross-sectional view of the internal structure of the fixing seat of the utility model.

[0014] Figure 4 This is a schematic diagram of the positioning assembly of the utility model in combination with the positioning gear disc.

[0015] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at point A in the middle.

[0016] In the figure: 1. fixed seat; 11. motor; 111. mounting groove; 12. rotating shaft; 121. bearing; 2. rotating seat; 21. mounting frame; 22. fixing piece; 23. test bench; 3. positioning assembly; 31. positioning tooth buckle; 311. sliding rod; 312. limiting piece; 313. reset spring; 32. fixing sleeve; 4. positioning toothed disc; 5. supporting rod; 6. auxiliary ring; 61. sliding groove; 7. pulley. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example: Figure 1-5 As shown, the utility model provides a test turntable with a stable locking mechanism, including a fixed seat 1, a motor 11 is installed in the fixed seat 1, a rotating shaft 12 is fixedly installed at the output end of the motor 11, a rotating seat 2 is fixedly installed at the top of the rotating shaft 12, and mounting brackets 21 are fixedly installed at the four corners of the top surface of the rotating seat 2. The number of mounting brackets 21 is four, and a test bench 23 is installed in the four mounting brackets 21. A positioning toothed disc 4 is fixedly sleeved at one end of the surface of the rotating shaft 12, and the positioning toothed disc 4 is rotatably installed in the fixed seat 1 through the rotating shaft 12. A fixed toothed disc 4 is installed on one side of the fixed seat 1. The positioning assembly 3 includes a positioning tooth buckle 31, which is meshed with the positioning tooth disc 4. A sliding rod 311 is symmetrically installed on one side of the positioning tooth buckle 31. There are two sliding rods 311. The surfaces of the two sliding rods 311 are sleeved with a fixed sleeve 32. A limiting member 312 is fixedly installed on one end of the two sliding rods 311 located at the fixed sleeve 32. A return spring 313 is fixedly installed on one side of the limiting member 312. The limiting member 312 is slidably installed in the fixed sleeve 32. The return spring 313 cooperates with the positioning tooth buckle 31 through the limiting member 312 and the sliding rod 311;

[0019] The motor 11 is installed and fixed by the fixing seat 1, and the test bench 23 is limited and fixed by the rotating seat 2 and the four mounting frames 21. When the test bench 23 needs to be controlled to rotate, the switch of the motor 11 is turned on, and the rotating shaft 12 is controlled to rotate through the output end of the motor 11. When the rotating shaft 12 rotates, the rotating seat 2 and the four mounting frames 21 are controlled to drive the test bench 23 to rotate. When the test bench 23 rotates to the specified position and stops, the motor 11 is turned off. With the cooperation of the positioning component 3, the positioning tooth buckle 31 is controlled to be clamped in the tooth groove corresponding to the positioning toothed disk 4 after the test bench 23 stops, and the locking of the device test bench 23 is completed. With the cooperation of the positioning component 3 and the positioning toothed disk 4, the test bench 23 is immediately locked after rotation, which solves the problem that the locking is not stable enough after the rotation adjustment of the existing test bench 23 stops, resulting in a deviation between the locked position and the required positioning position, resulting in inaccurate correspondence of the detection position, and causing errors in the detection.

[0020] The top surface of the fixed seat 1 is fixedly installed with evenly distributed support rods 5, and the number of support rods 5 is four. Auxiliary rings 6 are fixedly installed on the top surfaces of the four support rods 5. Pulleys 7 are fixedly installed in the middle of the four sides of the rotating seat 2. The four pulleys 7 are slidably installed in the auxiliary rings 6. The auxiliary rings 6 are installed on the fixed seat 1 through the four support rods 5 for limited fixation. When the rotating seat 2 is controlled to rotate the test bench 23, the four pulleys 7 installed on the four sides of the rotating seat 2 slide in the auxiliary rings 6 following the rotation of the rotating seat 2. With the assistance of the auxiliary rings 6 and the four pulleys 7, the stability of the rotating seat 2 and the test bench 23 during rotation is increased.

[0021] A slide groove 61 is provided on the inner side of the auxiliary ring 6, and the pulleys 7 are all slidably installed in the slide groove 61. The slide groove 61 cooperates with the pulley 7, and the installation limit of the four pulleys 7 is installed through the slide groove 61 to assist the four pulleys 7 to rotate with the rotating seat 2. A fixing part 22 is fixedly installed on one side end of the four mounting frames 21. The number of the fixing parts 22 is four, and one end of the four fixing parts 22 is fixedly installed on the surface of the test bench 23. The connection and fixation of the four mounting frames 21 and the test bench 23 are completed through the four fixing parts 22.

[0022] The rotating shaft 12 is located above the surface of the positioning gear plate 4 and is sleeved with a bearing 121. The bearing 121 is fixedly sleeved in the middle of the top surface of the fixing seat 1. The bearing 121 cooperates with the rotating shaft 12, and the rotating shaft 12 is assisted by the bearing 121 to rotate, thereby increasing the stability of the rotating shaft 12 during rotation. An installation groove 111 is opened in the fixing seat 1, and the motor 11 is fixedly installed in the installation groove 111. The installation and fixation of the motor 11 is completed through the installation groove 111.

[0023] Working principle: the motor 11 is installed and fixed by the fixing seat 1, and the test bench 23 is limited and fixed by the rotating seat 2 and the four mounting frames 21. When the test bench 23 needs to be controlled to rotate, the switch of the motor 11 is turned on, and the rotating shaft 12 is controlled to rotate through the output end of the motor 11. When the rotating shaft 12 rotates, the rotating seat 2 and the four mounting frames 21 are controlled to drive the test bench 23 to rotate. When the test bench 23 rotates to the specified position and stops, the motor 11 is turned off. With the cooperation of the positioning component 3, the positioning tooth buckle 31 is controlled to be clamped in the tooth groove corresponding to the positioning toothed disc 4 after the test bench 23 stops, so as to complete the locking of the device test bench 23.

[0024] The auxiliary ring 6 is installed on the fixed seat 1 through four support rods 5 for limited fixing. When the rotating seat 2 is controlled to rotate the test bench 23, the four pulleys 7 installed on the four sides of the rotating seat 2 slide in the auxiliary ring 6 following the rotation of the rotating seat 2. With the assistance of the auxiliary ring 6 and the four pulleys 7, the stability of the rotating seat 2 and the test bench 23 during rotation is increased.

[0025] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A test turntable with a stable locking mechanism, comprising a fixed seat (1), characterized in that: A motor (11) is installed in the fixed seat (1), a rotating shaft (12) is fixedly installed at the output end of the motor (11), a rotating seat (2) is fixedly installed at the top of the rotating shaft (12), mounting frames (21) are fixedly installed at the four corners of the top surface of the rotating seat (2), the number of the mounting frames (21) is four, and a test bench (23) is installed in the four mounting frames (21), a positioning gear disc (4) is fixedly sleeved on one end of the surface of the rotating shaft (12), and the positioning gear disc (4) is rotatably installed in the fixed seat (1) through the rotating shaft (12); A positioning assembly (3) is installed on one side of the positioning toothed disc (4) in the fixed seat (1). The positioning assembly (3) comprises a positioning tooth buckle (31). The positioning tooth buckle (31) meshes with the positioning toothed disc (4). A sliding rod (311) is symmetrically installed on one side of the positioning tooth buckle (31). There are two sliding rods (311). A fixing sleeve (32) is sleeved on the surface of the two sliding rods (311). A limiting member (312) is fixedly installed on one end of the two sliding rods (311) located on the fixing sleeve (32). A return spring (313) is fixedly installed on one side of the limiting member (312). The limiting member (312) is slidably installed in the fixing sleeve (32). The return spring (313) cooperates with the positioning tooth buckle (31) through the limiting member (312) and the sliding rod (311).

2. A test turntable with a stable locking mechanism as claimed in claim 1, characterized in that: The top surface of the fixed seat (1) is fixedly mounted with evenly distributed support rods (5), the number of the support rods (5) being four, and the top surfaces of the four support rods (5) are fixedly mounted with auxiliary rings (6), and the middle of the four sides of the rotating seat (2) are fixedly mounted with pulleys (7), and the four pulleys (7) are slidably mounted in the auxiliary rings (6).

3. A test turntable with a stable locking mechanism as claimed in claim 2, characterized in that: A sliding groove (61) is provided on the inner side of the auxiliary ring (6), and the pulleys (7) are slidably mounted in the sliding groove (61), and the sliding groove (61) and the pulleys (7) cooperate with each other.

4. A test turntable with a stable locking mechanism as claimed in claim 1, characterized in that: A fixing piece (22) is fixedly mounted on one end of each of the four mounting frames (21), the number of the fixing pieces (22) is four, and one end of each of the four fixing pieces (22) is fixedly mounted on the surface of the test bench (23).

5. A test turntable with a stable locking mechanism as claimed in claim 1, characterized in that: The rotating shaft (12) is located above the surface of the positioning gear disc (4) and is sleeved with a bearing (121). The bearing (121) is fixedly sleeved in the middle of the top surface of the fixing seat (1). The bearing (121) and the rotating shaft (12) cooperate with each other.

6. A test turntable with a stable locking mechanism as claimed in claim 1, characterized in that: The fixing seat (1) is provided with a mounting groove (111), and the motor (11) is fixedly mounted in the mounting groove (111).

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