Load-bearing type hydraulic rotary table

Abstract

The utility model discloses a bearing type hydraulic rotary table which comprises a base and a connecting block located at the top end of the base, a rotary table body is arranged at the top end of the connecting block, a rotary hydraulic cylinder which extends outwards and is connected with the connecting block is arranged in the base, arc-shaped clamps are symmetrically arranged at the top end of the rotary table body, and the arc-shaped clamps are connected with the rotary table body. The arc-shaped clamp is connected with the rotary table through a clamping assembly. Through the matched design of the arc-shaped clamps and the clamping assemblies, only one electric push rod is arranged to clamp the two arc-shaped clamps on the rotary table at the same time, and the time for clamping the workpieces one by one is shortened; and the clamping assembly adopts a sliding pushing mode, so that the linkage rate of transmission among units can be improved, and the machining precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of turntables, in particular to a load-bearing hydraulic turntable. Background Art

[0002] The large load-bearing turntable carries various large test targets, such as scaled models of aircraft, tanks, missile launchers, etc. It is suitable for inspecting the performance of the load-bearing objects to determine whether their technical status meets the use requirements. The heaviest of these targets can reach several tons.

[0003] For example, the existing Chinese patent CN207585574U discloses a one-dimensional high-precision large-load-bearing turntable. It solves the problem of small load-bearing capacity and low precision of large-size turntables; it solves the problem of handling, transportation and installation of large-size turntables. The transfer installation between the workpiece and the turntable needs to be realized by a fixture. Due to the large number of workpiece product types, different sizes, and different installation holes, there are many types of fixtures that match them, which not only increases the design and manufacturing cycle and cost, but also requires the replacement of fixtures when testing different products, which reduces efficiency.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a load-bearing hydraulic turntable to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A load-bearing hydraulic turntable comprises a base and a connecting block located at the top of the base, a turntable is provided at the top of the connecting block, a rotary hydraulic cylinder extending outward and connected to the connecting block is provided inside the base, a symmetrically arranged arc clamp is provided at the top of the turntable, and the arc clamp is connected to the turntable through a clamping assembly.

[0008] Preferably, the clamping assembly comprises a Z-shaped block 1 and a Z-shaped block 2 located on the side away from each other of the two groups of arc-shaped clamps, and the bottom ends of the Z-shaped block 1 and the Z-shaped block 2 extend into the connecting block and a slider is provided.

[0009] Preferably, the connection block has a cavity structure with an opening at the top, and a slide matching the two groups of slide blocks is provided inside the connection block, and a fixing plate is provided at the bottom end of the slide.

[0010] Preferably, a sliding rod is provided through the two groups of sliding blocks, an L-shaped movable part sleeved on the sliding rod is provided in the connecting block, a fixed shaft connected to the slide table is provided at the bending part of the L-shaped movable part, and a sliding hole for the sliding rod to move is opened on the L-shaped movable part.

[0011] Preferably, a travel hole is formed at the bottom end of the L-shaped movable part through the fixed plate, a transversely arranged movable block is provided on one side of the travel hole in the connecting block, and movable columns passing through the travel hole are symmetrically provided on both sides of the movable block.

[0012] Preferably, the bottom end of the movable block is connected to the electric push rod located in the connecting block, and the fixed plate is provided with through holes for the two groups of L-shaped movable parts to move.

[0013] Preferably, a hole is provided at the top of the turntable for the Z-shaped block 1 and the Z-shaped block 2 to move.

[0014] The beneficial effects of the utility model are as follows: through the coordinated design of the arc clamp and the clamping assembly, only one electric push rod is provided to simultaneously clamp the two arc clamps on the turntable to clamp the workpiece, thereby shortening the time for clamping each piece one by one; and the clamping assembly adopts a sliding pushing method, which can improve the linkage rate of the transmission between the units and improve the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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 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.

[0016] Figure 1 It is a structural schematic diagram of a load-bearing hydraulic turntable according to an embodiment of the utility model;

[0017] Figure 2 It is a structural schematic diagram of a clamping assembly in a load-bearing hydraulic turntable according to an embodiment of the utility model;

[0018] Figure 3 It is a side view of an L-shaped movable part in a load-bearing hydraulic turntable according to an embodiment of the utility model;

[0019] Figure 4 It is a side view of a connecting block in a load-bearing hydraulic turntable according to an embodiment of the utility model.

[0020] In the figure:

[0021] 1. Base; 2. Connecting block; 3. Turntable; 4. Rotary hydraulic cylinder; 5. Arc clamp; 6. Z-block 1; 7. Z-block 2; 8. Slider; 9. Slide; 10. Fixed plate; 11. Slide rod; 12. L-shaped movable part; 13. Fixed shaft; 14. Sliding hole; 15. Travel hole; 16. Movable block; 17. Movable column; 18. Electric push rod; 19. Through hole; 20. Hole. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, a load-bearing hydraulic turntable is provided.

[0024] Embodiment 1;

[0025] like Figure 1-4 As shown, the load-bearing hydraulic turntable according to the embodiment of the utility model includes a base 1 and a connecting block 2 located at the top of the base 1, a turntable 3 is provided at the top of the connecting block 2, a rotary hydraulic cylinder 4 extending to the outside and connected to the connecting block 2 is provided inside the base 1, and a symmetrically arranged arc clamp 5 is provided at the top of the turntable 3, and the arc clamp 5 is connected to the turntable 3 through a clamping assembly.

[0026] Embodiment 2:

[0027] like Figure 1-4 As shown, the clamping assembly includes a Z-block 1 6 and a Z-block 2 7 located on the side away from each other of the two groups of arc-shaped clamps 5, the bottom ends of the Z-block 1 6 and the Z-block 2 7 extend to the connecting block 2, in which a slider 8 is provided, the connecting block 2 has a cavity structure with an opening at the top, and a slide table 9 matching the two groups of sliders 8 is provided in the connecting block 2, a fixed plate 10 is provided at the bottom end of the slide table 9, a slide rod 11 is penetrated through the two groups of sliders 8, an L-shaped movable part 12 is provided in the connecting block 2 and sleeved on the slide rod 11, a fixed shaft 13 connected to the slide table 9 is provided at the bending part of the L-shaped movable part 12, and a sliding hole 14 for the movement of the slide rod 11 is opened on the L-shaped movable part 12.

[0028] Embodiment three;

[0029] like Figure 1-4As shown, the bottom end of the L-shaped movable part 12 passes through the fixed plate 10 to form a travel hole 15, and a transversely arranged movable block 16 is provided on one side of the travel hole 15 in the connecting block 2. Both sides of the movable block 16 are symmetrically provided with movable columns 17 passing through the travel hole 15, and the bottom end of the movable block 16 is connected to the electric push rod 18 located in the connecting block 2. The fixed plate 10 is provided with a through hole 19 for the two groups of the L-shaped movable parts 12 to move, and the top of the turntable 3 is provided with a hole 20 for the Z-shaped block 1 6 and the Z-shaped block 2 7 to move.

[0030] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0031] In actual application, first start the rotary hydraulic cylinder 4, which drives the turntable 3 to rotate through the connecting block 2, and rotates the turntable 3 to the required position, then put the workpiece to be processed in the middle of the arc clamp 5, and then start the electric push rod 18, which drives the movable block 16 and its movable column 17 to move downward synchronously. During the downward movement, the movable column 17 squeezes the L-shaped movable part 12 and slides in the stroke hole 15, so that the L-shaped movable part 12 rotates with the fixed axis 13 as the axis point, and one end of the L-shaped movable part 12 pushes the slider 8 to move toward the middle direction on the slide 9, so that the slider 8 drives the arc clamp 5 to move through the Z-block 1 6 and the Z-block 2 7, so as to realize the clamping or release of the workpiece by the arc clamp 5.

[0032] In summary, with the aid of the above-mentioned technical solution of the utility model, through the coordinated design of the arc clamp 5 and the clamping assembly, only one electric push rod 18 is provided to simultaneously clamp the two arc clamps 5 on the turntable 3 on the workpiece, thereby shortening the time for clamping each piece one by one; and the clamping assembly adopts a sliding pushing method, which can improve the linkage rate of the transmission between the units and improve the processing accuracy.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A load-bearing hydraulic turntable, characterized in that: The invention comprises a base (1) and a connecting block (2) located at the top of the base (1); a turntable (3) is provided at the top of the connecting block (2); a rotary hydraulic cylinder (4) is provided inside the base (1) and extends outward and is connected to the connecting block (2); a symmetrically arranged arc-shaped clamp (5) is provided at the top of the turntable (3); and the arc-shaped clamp (5) is connected to the turntable (3) via a clamping assembly.

2. The load-bearing hydraulic turntable according to claim 1, characterized in that: The clamping assembly comprises a Z-shaped block 1 (6) and a Z-shaped block 2 (7) located on the side away from each other of the two groups of arc-shaped clamps (5), and the bottom ends of the Z-shaped block 1 (6) and the Z-shaped block 2 (7) extend into the connecting block (2) and are provided with a sliding block (8).

3. The load-bearing hydraulic turntable according to claim 2, characterized in that: The connection block (2) has a cavity structure with an opening at the top, and a slide table (9) matching the two groups of slide blocks (8) is provided inside the connection block (2), and a fixing plate (10) is provided at the bottom end of the slide table (9).

4. The load-bearing hydraulic turntable according to claim 3, characterized in that: A sliding rod (11) is provided through the two groups of sliding blocks (8); an L-shaped movable part (12) sleeved on the sliding rod (11) is provided in the connecting block (2); a fixed shaft (13) connected to the slide table (9) is provided at the bending part of the L-shaped movable part (12); and a sliding hole (14) for the sliding rod (11) to move is provided on the L-shaped movable part (12).

5. The load-bearing hydraulic turntable according to claim 4, characterized in that: The bottom end of the L-shaped movable part (12) passes through the fixed plate (10) to form a travel hole (15); a transversely arranged movable block (16) is provided in the connecting block (2) on one side of the travel hole (15); movable columns (17) passing through the travel hole (15) are symmetrically provided on both sides of the movable block (16).

6. The load-bearing hydraulic turntable according to claim 5, characterized in that: The bottom end of the movable block (16) is connected to an electric push rod (18) located in the connecting block (2), and the fixed plate (10) is provided with a through hole (19) for the two groups of L-shaped movable parts (12) to move.

7. The load-bearing hydraulic turntable according to claim 2, characterized in that: The top of the turntable (3) is provided with a hole (20) for the Z-shaped block 1 (6) and the Z-shaped block 2 (7) to move.

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