Efficient assembling and welding tool for rotary table of excavator
Through the coordination of the positioning clamping assembly and the electric push rod, the positioning offset problem during the welding of the excavator rotary table is solved, high-precision rotary table positioning and multiple dimensions are achieved, and welding efficiency is improved.
Patent Information
- Application Number
- CN202422493439.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-15
AI Technical Summary
The existing excavator turntable is difficult to accurately locate during welding, resulting in position offset, affecting welding accuracy and adding rework steps.
The positioning and clamping assembly is adopted, including a conical block and arc-shaped clamp driven by a hydraulic cylinder. The connecting plate is pushed through the conical block to expand the arc-shaped clamp for center positioning and clamping, and the electric push rod horizontal positioning push plate is combined to position the rotary table horizontally.
It greatly reduces welding deviation, improves welding accuracy, and can adapt to the positioning needs of different sizes of turntables, ensures that the turntables do not tilt during welding, and improves the fixing effect.
Smart Images
Figure CN223222741U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of assembly welding of excavator turntables, in particular to a high-efficiency assembly welding tool for excavator turntables. Background Art
[0002] The high-efficiency welding fixture for excavator turntable is a device specially used to improve the assembly and welding efficiency of excavator turntable. The high-efficiency welding fixture usually adopts a modular design to adapt to different production needs.
[0003] The existing excavator turntable is usually clamped and fixed from the outside during welding. This method makes it difficult to position the turntable at the center of the workbench, and the positioning effect is poor, which causes the turntable to easily shift during the welding process. Once the welding position shifts, it not only affects subsequent work, but also requires rework when the shift is serious, and increases the number of welding steps. Therefore, we proposed an efficient welding tool for the excavator turntable. Utility Model Content
[0004] The purpose of the utility model is to provide an efficient assembly and welding tool for an excavator turntable. By setting a positioning and clamping component, specifically after the excavator turntable is placed on the workbench, the hydraulic cylinder is started to drive the conical block to move downward, and the conical block pushes multiple connecting plates at the same time. At this time, multiple arc clamps will expand each other to perform center positioning and clamping on the turntable, which not only greatly reduces the deviation and improves the accuracy during welding, but also the expansion and contraction of the arc clamp can clamp and position turntables of different sizes, meeting various needs, and solving the problem that the existing excavator turntable is difficult to be positioned at the center of the workbench and the positioning effect is poor, which causes the turntable to easily shift in position during welding and affects the welding accuracy.
[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:
[0006] The utility model is an efficient assembly welding tool for an excavator turntable, comprising a base, a workbench provided above the base, a positioning clamping assembly provided at the center of the top of the workbench, the positioning clamping assembly comprising a fixed cylinder fixedly connected to the top of the workbench, and a plurality of arc-shaped clamping plates provided on the outer side of the fixed cylinder;
[0007] A conical block is provided on the top of the fixed cylinder, and a hydraulic cylinder is provided at the center of the interior of the fixed cylinder. The bottom of the hydraulic cylinder is fixedly connected to the top of the workbench, and the output end of the top of the hydraulic cylinder is fixedly connected to the top of the inner side of the conical block. The conical block is wide at the top and narrow at the bottom. A number of connecting plates are provided at the bottom outside the conical block. Two moving rods are fixedly connected to the side of the connecting plate close to the fixed cylinder, and the side of the moving rod away from the connecting plate passes through the fixed cylinder and extends to the surface of the arc-shaped clamping plate for fixed connection.
[0008] Furthermore, a spring is provided on the outside of the movable rod, the side of the spring close to the connecting plate is fixedly connected to the surface of the connecting plate, the side of the spring away from the connecting plate is fixedly connected to the inner wall of the fixed tube, the top of the connecting plate is in contact with the conical surface of the bottom of the conical block, and the arc-shaped clamping plate is arranged in an arc shape.
[0009] Furthermore, a positioning push plate is provided in front of the fixed cylinder, and two fixed rods are slidably connected to the bottom of the positioning push plate. The back sides of the two fixed rods are fixedly connected to the front side of the workbench, and the front sides of the two fixed rods are fixedly connected to fixed plates, and the front sides of the fixed plates are fixedly connected to electric push rods, and the output end on the back side of the electric push rod is fixedly connected to the front side of the positioning push plate.
[0010] Furthermore, a rotating ring is fixedly connected at the center of the bottom of the workbench, the interior of the base is hollowed out, a support ring is fixedly connected to the bottom of the inner wall of the base, a support plate is fixedly connected to the right side of the inner wall of the base, a motor is fixedly connected to the bottom of the support plate, and a gear is fixedly connected to the top output end of the motor.
[0011] Furthermore, a gear ring is fixedly connected to the bottom of the outer surface of the rotating ring, and the gear ring is meshed with the gear. An annular slide rail is fixedly connected to the top of the support ring, an inner ring is fixedly connected to the inside of the rotating ring, and several sliders are fixedly connected to the bottom of the inner ring.
[0012] Furthermore, an arc-shaped groove is provided at the bottom of the slider, and the bottom of the slider is slidingly connected to the surface of the annular slide rail through the arc-shaped groove. The bottom of the rotating ring passes through the base and extends to the inside, and the outer surface of the rotating ring is rotatably connected to the top of the base.
[0013] The utility model has the following beneficial effects:
[0014] 1. The utility model sets a positioning and clamping component. Specifically, after the excavator turntable is placed on the workbench, the hydraulic cylinder is started to drive the conical block to move downward, and the conical block pushes multiple connecting plates at the same time. At this time, multiple arc-shaped clamping plates will expand with each other to perform center positioning and clamping on the turntable, which not only greatly reduces the deviation and improves the accuracy during welding, but also the expansion and contraction of the arc-shaped clamping plates can clamp and position turntables of different sizes to meet various needs.
[0015] 2. The utility model sets a positioning push plate. Specifically, after the center of the turntable is positioned, the electric push rod is started to drive the positioning push plate to move toward the turntable position, and the bottom of the positioning push plate slides on the fixed rod. When the positioning push plate contacts the turntable, the turntable will be horizontally positioned under the action of the positioning push plate plane to avoid the turntable from tilting. At the same time, it can clamp the turntable and improve the fixing effect of the turntable.
[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the bottom front cross-sectional structure of the utility model;
[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure of A;
[0021] Figure 4 This is a schematic diagram of the overall structure of the arc-shaped splint of the utility model;
[0022] Figure 5 This is a schematic diagram of the bottom structure of the workbench of the present utility model.
[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0024] 1. Base; 11. Workbench; 111. Rotating ring; 112. Support ring; 21. Annular slide rail; 113. Support plate; 31. Motor; 32. Gear; 114. Gear ring; 115. Inner ring; 116. Slider; 12. Positioning clamping assembly; 121. Fixed cylinder; 122. Arc clamping plate; 221. Moving rod; 222. Spring; 223. Connecting plate; 123. Conical block; 124. Hydraulic cylinder; 13. Positioning push plate; 131. Fixed rod; 132. Fixed plate; 133. Electric push rod. DETAILED DESCRIPTION
[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0026] See also Figure 1-5As shown, the utility model is an efficient assembly welding tool for an excavator turntable, comprising a base 1, a workbench 11 being provided above the base 1, a positioning clamping assembly 12 being provided at the center of the top of the workbench 11, the positioning clamping assembly 12 comprising a fixing cylinder 121 fixedly connected to the top of the workbench 11, and a plurality of arc-shaped clamping plates 122 being provided on the outer side of the fixing cylinder 121;
[0027] A conical block 123 is provided on the top of the fixed cylinder 121, and a hydraulic cylinder 124 is provided at the center of the fixed cylinder 121. The bottom of the hydraulic cylinder 124 is fixedly connected to the top of the workbench 11, and the output end of the top of the hydraulic cylinder 124 is fixedly connected to the top of the inner side of the conical block 123. The conical block 123 is wide at the top and narrow at the bottom. A plurality of connecting plates 223 are provided on the bottom of the outer side of the conical block 123. The connecting plate 223 is fixedly connected to two moving rods 221 on the side close to the fixed cylinder 121. The side of the moving rod 221 away from the connecting plate 223 passes through the fixed cylinder 12 1 and extends to the surface of the arc-shaped clamping plate 122 for fixed connection. By setting the positioning and clamping assembly 12, specifically, after the excavator turntable is placed on the workbench 11, the hydraulic cylinder 124 is started to drive the conical block 123 to move downward, and the conical block 123 simultaneously pushes the multiple connecting plates 223. At this time, the multiple arc-shaped clamping plates 122 will expand with each other to perform center positioning and clamping on the turntable, which not only greatly reduces the deviation and improves the accuracy during welding, but also the expansion and contraction of the arc-shaped clamping plate 122 can clamp and position turntables of different sizes to meet various needs.
[0028] A spring 222 is sleeved on the outside of the moving rod 221. The side of the spring 222 close to the connecting plate 223 is fixedly connected to the surface of the connecting plate 223, and the side of the spring 222 away from the connecting plate 223 is fixedly connected to the inner wall of the fixed cylinder 121. The top of the connecting plate 223 contacts the conical surface of the bottom of the conical block 123. The arc splint 122 is set in an arc shape. The spring 222 can drive the arc splint 122 to reset under the action of elasticity when the conical block 123 moves upward.
[0029] A positioning push plate 13 is provided in front of the fixed cylinder 121, and the bottom of the positioning push plate 13 is slidably connected to two fixing rods 131, and the backs of the two fixing rods 131 are fixedly connected to the front of the workbench 11, and the fronts of the two fixing rods 131 are fixedly connected to a fixing plate 132, and the front of the fixing plate 132 is fixedly connected to an electric push rod 133, and the output end of the back of the electric push rod 133 is fixedly connected to the front of the positioning push plate 13. By setting the positioning push plate 13, specifically after the center of the turntable is positioned, the electric push rod 133 is started to drive the positioning push plate 13 to move toward the turntable position, and the bottom of the positioning push plate 13 slides on the fixing rod 131. When the positioning push plate 13 contacts the turntable, the turntable will be horizontally positioned under the action of the plane of the positioning push plate 13 to avoid the turntable from being tilted. At the same time, it can clamp the turntable and improve the fixing effect of the turntable.
[0030] A rotating ring 111 is fixedly connected to the center of the bottom of the workbench 11, the interior of the base 1 is hollowed out, a support ring 112 is fixedly connected to the bottom of the inner wall of the base 1, and a support plate 113 is fixedly connected to the right side of the inner wall of the base 1. The bottom of the support plate 113 is fixedly connected to the motor 31, and the top output end of the motor 31 is fixedly connected to the gear 32. When the motor 31 is started, the gear 32 is driven to rotate, and the gear 32 drives the rotating ring 111 to rotate through the gear ring 114. The rotating ring 111 drives the workbench 11 to rotate, which can drive the turntable to rotate, making it convenient to perform welding work at different positions.
[0031] A gear ring 114 is fixedly connected to the bottom of the outer surface of the rotating ring 111, and the gear ring 114 is meshed with the gear 32. The top of the support ring 112 is fixedly connected to the annular slide rail 21. The inner side of the rotating ring 111 is fixedly connected to the inner ring 115, and a plurality of sliders 116 are fixedly connected to the bottom of the inner ring 115. When the rotating ring 111 rotates, the sliders 116 at the bottom of the inner ring 115 rotate on the annular slide rail 21, which can make the rotation smoother and at the same time support the rotating ring 111.
[0032] An arc-shaped slot is provided at the bottom of the slider 116 , and the bottom of the slider 116 is slidably connected to the surface of the annular slide rail 21 through the arc-shaped slot. The bottom of the rotating ring 111 passes through the base 1 and extends to the inside. The outer surface of the rotating ring 111 is rotatably connected to the top of the base 1 .
[0033] A specific application of this embodiment is:
[0034] When in use, the excavator turntable is placed on the workbench 11, and the hole in the center of the excavator turntable is plugged into the positioning clamping assembly 12, and then the hydraulic cylinder 124 is started to drive the conical block 123 to move downward, and the conical block 123 pushes multiple connecting plates 223 at the same time, and the connecting plates 223 drive the arc splint 122 to move together through the moving rod 221. At this time, the multiple arc splints 122 will expand with each other, and the connecting plates 223 will squeeze the spring 222. When the arc splint 122 After contacting the inner side of the turntable, the turntable will be clamped and positioned so that the turntable is in the center of the workbench 11. The spring 222 can drive the arc clamping plate 122 to reset under the action of elasticity when the conical block 123 moves upward. After the turntable center is positioned, the electric push rod 133 is started to drive the positioning push plate 13 to move toward the turntable position. The bottom of the positioning push plate 13 slides on the fixed rod 131. When the positioning push plate 13 contacts the turntable, the turntable will be moved under the action of the plane of the positioning push plate 13. When the rotating ring 111 rotates, the slider 116 at the bottom of the inner ring 115 rotates on the annular slide rail 21, which can make the rotation smoother and at the same time support the rotating ring 111.
[0035] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
[0036] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. An efficient welding tool for an excavator turntable, comprising a base (1), a workbench (11) being provided above the base (1), a positioning clamping assembly (12) being provided at the center of the top of the workbench (11), the positioning clamping assembly (12) comprising a fixing cylinder (121) fixedly connected to the top of the workbench (11), a plurality of arc-shaped clamping plates (122) being provided on the outer side of the fixing cylinder (121), and characterized in that; A conical block (123) is provided at the top of the fixed cylinder (121), a hydraulic cylinder (124) is provided at the center of the interior of the fixed cylinder (121), the bottom of the hydraulic cylinder (124) is fixedly connected to the top of the workbench (11), the top output end of the hydraulic cylinder (124) is fixedly connected to the top of the inner side of the conical block (123), the conical block (123) is wide at the top and narrow at the bottom, a plurality of connecting plates (223) are provided at the bottom of the outer side of the conical block (123), two moving rods (221) are fixedly connected to the side of the connecting plate (223) close to the fixed cylinder (121), and the side of the moving rod (221) away from the connecting plate (223) passes through the fixed cylinder (121) and extends to the surface of the arc-shaped clamping plate (122) for fixed connection.
2. The high-efficiency welding tool for excavator turntable according to claim 1 is characterized in that: A spring (222) is sleeved on the outer side of the moving rod (221); the side of the spring (222) close to the connecting plate (223) is fixedly connected to the surface of the connecting plate (223); the side of the spring (222) away from the connecting plate (223) is fixedly connected to the inner wall of the fixed cylinder (121); the top of the connecting plate (223) contacts the conical surface of the bottom of the conical block (123); and the arc-shaped clamping plate (122) is arranged in an arc shape.
3. The high-efficiency welding tool for excavator turntable according to claim 2 is characterized in that: A positioning push plate (13) is provided in front of the fixed cylinder (121); two fixed rods (131) are slidably connected to the bottom of the positioning push plate (13); the backs of the two fixed rods (131) are fixedly connected to the front of the workbench (11); the fronts of the two fixed rods (131) are fixedly connected to a fixed plate (132); the fronts of the fixed plates (132) are fixedly connected to an electric push rod (133); the back output end of the electric push rod (133) is fixedly connected to the front of the positioning push plate (13).
4. The high-efficiency welding tool for an excavator turntable according to claim 3 is characterized in that: A rotating ring (111) is fixedly connected at the center of the bottom of the workbench (11); the interior of the base (1) is hollowed out; a supporting ring (112) is fixedly connected to the bottom of the inner wall of the base (1); a supporting plate (113) is fixedly connected to the right side of the inner wall of the base (1); a motor (31) is fixedly connected to the bottom of the support plate (113); and a gear (32) is fixedly connected to the top output end of the motor (31).
5. The high-efficiency welding tool for excavator turntable according to claim 4, characterized in that: A gear ring (114) is fixedly connected to the bottom of the outer surface of the rotating ring (111), and the gear ring (114) is meshed with the gear (32). An annular slide rail (21) is fixedly connected to the top of the support ring (112). An inner ring (115) is fixedly connected to the inside of the rotating ring (111), and a plurality of sliders (116) are fixedly connected to the bottom of the inner ring (115).
6. The high-efficiency welding tool for excavator turntable according to claim 5, characterized in that: An arc-shaped sliding groove is provided at the bottom of the slider (116), and the bottom of the slider (116) is slidably connected to the surface of the annular slide rail (21) through the arc-shaped sliding groove.
7. The high-efficiency welding tool for excavator turntable according to claim 4, characterized in that: The bottom of the rotating ring (111) passes through the base (1) and extends to the inside, and the outer surface of the rotating ring (111) is rotatably connected to the top of the base (1).