Roll-over stand capable of staying at multiple angles and used for engine maintenance

Abstract

The invention provides an engine maintenance roll-over stand capable of staying at multiple angles, and relates to the technical field of engine maintenance, the engine maintenance roll-over stand comprises four foot supports, a driving side assembly and a driven side assembly, the bottom of the driving side assembly and the bottom of the driven side assembly are each provided with four moving wheels, and a sliding rod is arranged between the driving side assembly and the driven side assembly; the driving side assembly is fixedly connected with a driving mechanism, a servo motor drives a transmission shaft to rotate through a speed reducer, the transmission shaft drives a gear to rotate, the gear drives the driving rotating support to rotate through a rack on the surface of the driving rotating support, the driving rotating support drives an engine shell to rotate, and the engine shell drives a driven rotating support to rotate. According to the engine shell angle adjusting device, the angle adjusting effect is achieved, the angle of an engine shell can be driven to be adjusted in the engine assembling process so as to adapt to the angles needed by different stations, tools or stations do not need to be replaced, and the effects that the production process can be reduced, and the time needed for engine production can be shortened are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of engine maintenance, and more specifically, particularly relates to a turnover frame for engine maintenance which can stop at multiple angles. Background Art

[0002] During the assembly or maintenance of medium and large engines, the engine housing needs to stay at multiple angles to facilitate the assembly and disassembly of parts at various angles. Especially when assembling on an automatic assembly line, since the assembly operation is performed by a robot, the angle at which the engine housing stays each time is required to be very precise. However, the existing large engine assembly or disassembly technology has at least the following problems: 1. During the assembly or disassembly process of large engines, the engine housing needs to be operated at multiple angles to install or remove parts at various angles. Especially when the automatic assembly line uses a robot for assembly operations, the angle accuracy of the engine housing at each stop is extremely high; The traditional method is to use multiple different positioning tools to position the engine. After the assembly or disassembly operation at one angle is completed, it is often necessary to replace the tooling or the workstation before the operation at the next angle can be performed. This process is cumbersome and complicated, resulting in a lot of time consumption and increased labor intensity.

[0003] Therefore, the existing structure and defects are studied and improved, and a turning frame for engine maintenance that can stop at multiple angles is provided. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a turnover frame for engine maintenance that can stop at multiple angles to solve the above problems.

[0005] A turning frame for engine maintenance that can stop at multiple angles comprises four anchor supports, including an active side component and a passive side component, the bottom of the active side component and the passive side component are both provided with four moving wheels, a sliding rod is provided between the active side component and the passive side component, the active side component is fixedly connected with a driving mechanism, the active side component comprises a first base plate and a first bracket, wherein two anchor supports are fixedly connected with the first base plate, the passive side component comprises a second base plate and a second bracket, the other two anchor supports are fixedly connected with the second base plate, and the driving mechanism comprises a reducer.

[0006] Preferably, the first bracket is fixedly mounted on the top surface of the first substrate, and two ends of the inner wall of the first bracket away from the first substrate are rotatably connected to two first supporting wheels.

[0007] Preferably, the top surfaces of the four first support wheels are rotatably connected to an active rotating bracket, both ends of the active rotating bracket are provided with first connecting pieces, the surface of the active rotating bracket is provided with a rack, the two side walls of the first bracket are rotatably connected to first pressure wheels, and the two first pressure wheels are rotatably connected to the two sides of the active rotating bracket respectively.

[0008] Preferably, the reducer is fixedly connected to a side of the first bracket away from the passive side component, a servo motor matched thereto is fixedly mounted on the input end of the reducer, and a transmission shaft is fixedly connected to the output end of the reducer.

[0009] Preferably, one end of the transmission shaft away from the reducer is rotatably connected to a pressure cover, the pressure cover is fixedly installed on a side of the first bracket away from the reducer, and the middle section of the transmission shaft is fixedly connected to a gear.

[0010] Preferably, the gear is matched with a rack on the surface of the active rotating bracket.

[0011] Preferably, a sliding hole is opened on one side of the first substrate close to the passive side component, and a pressing bolt is threadedly connected to the first substrate above the sliding hole, and the pressing bolt is located at one end of the sliding hole close to the passive side component.

[0012] Preferably, one end of the sliding rod is inserted into the sliding hole, and the extrusion bolt is extruded and connected to the sliding rod.

[0013] Preferably, one end of the sliding rod away from the first substrate is welded and fixed to the second substrate, the top surface of the second substrate is fixedly connected to the second bracket, and both ends of the inner wall of the second bracket away from the second substrate are rotatably connected to two second supporting wheels.

[0014] Preferably, the top surfaces of the four second support wheels are rotatably connected to a passive rotating bracket, both ends of the passive rotating bracket are provided with second connecting pieces, both sides of the second bracket are rotatably connected to second pressure wheels, and the two second pressure wheels are rotatably connected to both sides of the passive rotating bracket respectively.

[0015] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, a rotatable active rotating bracket and a passive rotating bracket are provided, and the engine casing is placed in the slots of the active rotating bracket and the passive rotating bracket, and the connecting feet of the engine casing are fixed to the first connecting piece and the second connecting piece of the active rotating bracket and the passive rotating bracket. The servo motor drives the transmission shaft to rotate through the reducer, and the transmission shaft drives the gear to rotate. The gear drives the active rotating bracket to rotate through the rack on the surface of the active rotating bracket, the active rotating bracket drives the engine casing to rotate, and the engine casing drives the passive rotating bracket to rotate, so that the application has the effect of adjusting the angle, and can drive the engine casing to adjust the angle during the engine assembly process to adapt to the angle required by different workstations, without changing the tooling or changing the workstation, so that the application has the effect of reducing the production process and shortening the time required for engine production.

[0016] In the present invention, a reducer is provided. When the engine casing is adjusted to a specified angle, the power supply is cut off. Due to the self-locking effect of the reducer, the active rotating bracket stays at the current position, so that the active rotating bracket can stay at various angles, which is convenient for the subsequent installation of engine parts and makes the present application have higher stability.

[0017] In the present invention, by providing separate active side components and passive side components, when it is necessary to repair and fix engines of different models, the squeezing bolt can be twisted to disengage the squeezing bolt from the sliding rod, so that the passive side component drives the sliding rod to move a distance away from or close to the active side component, so that the spacing between the active rotating bracket and the passive rotating bracket is reduced or increased, and then the squeezing bolt is twisted to squeeze the sliding rod into contact to complete the fixation of the sliding rod, so that the present application can fix engines of various different models, making the present application highly applicable.

[0018] In the present invention, by providing a rotatable active rotating bracket and a passive rotating bracket, the assembly process is shortened, so that the present application has the effects of saving assembly time and reducing the labor intensity of operators, thereby improving production efficiency.

[0019] In the present invention, by providing a servo motor, the device can drive the engine casing to rotate and stop arbitrarily within the angle range of 0-180°. The servo motor provides flipping power, so that the application can have a more precise flipping angle, making the application have higher practicality and flipping stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 is a schematic diagram of the front structure of the active side assembly of the present invention; Figure 3 It is a schematic diagram of the passive side component structure of the present invention; Figure 4 It is a schematic diagram of the overall side plan view of the present invention; Figure 5 It is a schematic side view of the structure of the present invention as a whole; Figure 6 is a rear view structural schematic diagram of the active side assembly of the present invention; Figure 7 It is a schematic diagram of the driving mechanism structure of the present invention; Figure 8 It is a schematic diagram of the passive rotating bracket and the second supporting wheel structure of the present invention; Fig. 9 It is a schematic diagram of the structure of the active rotating bracket and the first pressure wheel of the present invention; Fig.10 It is a schematic diagram of the side structure of the active side component of the present invention.

[0021] In the figure, the correspondence between the component names and the figure numbers is: 1. active side component; 2. passive side component; 3. sliding rod; 4. reducer; 5. anchor support; 101. first base plate; 102. first bracket; 103. first pressure wheel; 104. first support wheel; 105. active rotating bracket; 106. sliding hole; 107. extrusion bolt; 108. rack; 109. first connecting piece; 201. second base plate; 202. second bracket; 203. second pressure wheel; 204. second support wheel; 205. passive rotating bracket; 206. second connecting piece; 401. servo motor; 402. transmission shaft; 403. gear; 404. pressure cover; 501. moving wheel. DETAILED DESCRIPTION

[0022] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0023] Example: See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 and Fig.10The present invention provides a turning frame for engine maintenance that can stop at multiple angles, including four anchor supports 5, including an active side component 1 and a passive side component 2, the bottom of the active side component 1 and the passive side component 2 are both provided with four moving wheels 501, a sliding rod 3 is provided between the active side component 1 and the passive side component 2, the active side component 1 is fixedly connected with a driving mechanism, the active side component 1 includes a first base plate 101 and a first bracket 102, wherein two anchor supports 5 are fixedly connected to the first base plate 101, the passive side component 2 includes a second base plate 201 and a second bracket 202, the other two anchor supports 5 are fixedly connected to the second base plate 201, and the driving mechanism includes a reducer 4.

[0024] The first bracket 102 is fixedly mounted on the top surface of the first substrate 101 , and two first supporting wheels 104 are rotatably connected to both ends of the inner wall of the first bracket 102 away from the first substrate 101 .

[0025] The top surfaces of the four first support wheels 104 are rotatably connected to an active rotating bracket 105, both ends of the active rotating bracket 105 are provided with first connecting pieces 109, the surface of the active rotating bracket 105 is provided with a rack 108, and the two side walls of the first bracket 102 are rotatably connected to the first pressure wheels 103, and the two first pressure wheels 103 are rotatably connected to the two sides of the active rotating bracket 105 respectively.

[0026] The reducer 4 is fixedly connected to the side of the first bracket 102 away from the passive side component 2 , a servo motor 401 adapted thereto is fixedly installed at the input end of the reducer 4 , and a transmission shaft 402 is fixedly connected to the output end of the reducer 4 .

[0027] One end of the transmission shaft 402 away from the reducer 4 is rotatably connected to a pressure cover 404 , and the pressure cover 404 is fixedly installed on a side of the first bracket 102 away from the reducer 4 . The middle section of the transmission shaft 402 is fixedly connected to a gear 403 .

[0028] The gear 403 is matched with the rack 108 on the surface of the active rotating bracket 105 .

[0029] A sliding hole 106 is formed on one side of the first substrate 101 close to the passive component 2 . A pressing bolt 107 is threadedly connected to the first substrate 101 above the sliding hole 106 . The pressing bolt 107 is located at one end of the sliding hole 106 close to the passive component 2 .

[0030] One end of the sliding rod 3 is inserted into the sliding hole 106 , and the extrusion bolt 107 is extruded and connected to the sliding rod 3 .

[0031] The end of the sliding rod 3 away from the first substrate 101 is welded and fixed to the second substrate 201. The top surface of the second substrate 201 is fixedly connected to the second bracket 202. The inner wall of the second bracket 202 away from the second substrate 201 is rotatably connected to two second supporting wheels 204 at both ends.

[0032] The top surfaces of the four second support wheels 204 are rotatably connected to a passive rotating bracket 205, both ends of the passive rotating bracket 205 are provided with second connecting pieces 206, both sides of the second bracket 202 are rotatably connected to second pressure wheels 203, and the two second pressure wheels 203 are rotatably connected to the two sides of the passive rotating bracket 205 respectively.

[0033] The engine casing is placed in the slots of the active rotating bracket 105 and the passive rotating bracket 205, and the connecting feet of the engine casing are fixed to the first connecting members 109 and the second connecting members 206 of the active rotating bracket 105 and the passive rotating bracket 205. The servo motor 401 drives the transmission shaft 402 to rotate through the reducer 4, and the transmission shaft 402 drives the gear 403 to rotate. The gear 403 drives the active rotating bracket 105 to rotate through the rack 108 on the surface of the active rotating bracket 105. The active rotating bracket 105 drives the engine casing to rotate, and the engine casing drives the passive rotating bracket 205 to rotate, so as to achieve the effect of adjusting the engine angle. When the engine casing is adjusted to the specified angle, the power supply is cut off. Due to the self-locking effect of the reducer 4, the active rotating bracket 105 stays at the current position, so that the present application has the effect of reducing the production process, shortening the time required for engine production, saving assembly time and reducing the labor intensity of operators, thereby improving production efficiency.

[0034] Working principle: The first step is to place the engine casing in the slots of the active rotating bracket 105 and the passive rotating bracket 205, and fix the connecting feet of the engine casing to the first connecting piece 109 and the second connecting piece 206 of the active rotating bracket 105 and the passive rotating bracket 205, and the servo motor 401 drives the transmission shaft 402 to rotate through the reducer 4, and the transmission shaft 402 drives the gear 403 to rotate, and the gear 403 drives the active rotating bracket 105 to rotate through the rack 108 on the surface of the active rotating bracket 105, and the active rotating bracket 105 drives the engine casing to rotate, and the engine casing drives the passive rotating bracket 205 to rotate, so as to achieve the effect of adjusting the engine angle. When the engine casing is adjusted to the specified angle, the power supply is cut off. Due to the self-locking effect of the reducer 4, the active rotating bracket 105 stays at the current position.

[0035] In the second step, when it is necessary to repair and fix engines of different models, the squeezing bolt 107 can be twisted to disengage the squeezing bolt 107 from the sliding rod 3, so that the passive side component 2 drives the sliding rod 3 to move a certain distance away from or close to the active side component 1, so that the distance between the active rotating bracket 105 and the passive rotating bracket 205 is reduced or increased, and then the squeezing bolt 107 is twisted to squeeze and contact the sliding rod 3 to complete the fixation of the sliding rod 3.

[0036] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A turning frame for engine maintenance capable of stopping at multiple angles, comprising four ground supports (5), characterized in that: It comprises an active side component (1) and a passive side component (2), wherein the bottom of each of the active side component (1) and the passive side component (2) is provided with four moving wheels (501), a sliding rod (3) is provided between the active side component (1) and the passive side component (2), and the active side component (1) is fixedly connected to a driving mechanism; Wherein, the active side component (1) comprises a first substrate (101) and a first bracket (102); Wherein, the passive side component (2) comprises a second substrate (201) and a second bracket (202); The driving mechanism comprises a reducer (4).

2. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 1, characterized in that: The first bracket (102) is fixedly mounted on the top surface of the first substrate (101), and two first supporting wheels (104) are rotatably connected to both ends of the inner wall of the first bracket (102) on a side away from the first substrate (101).

3. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 2, characterized in that: The top surfaces of the four first support wheels (104) are rotatably connected to an active rotating bracket (105), both ends of the active rotating bracket (105) are provided with first connecting pieces (109), a rack (108) is provided on the surface of the active rotating bracket (105), and both side walls of the first bracket (102) are rotatably connected to first pressure wheels (103), and the two first pressure wheels (103) are rotatably connected to the two sides of the active rotating bracket (105), respectively.

4. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 3, characterized in that: The reducer (4) is fixedly connected to a side of the first bracket (102) away from the passive side component (2); a servo motor (401) adapted thereto is fixedly mounted at the input end of the reducer (4); and a transmission shaft (402) is fixedly connected to the output end of the reducer (4).

5. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 4, characterized in that: One end of the transmission shaft (402) away from the reducer (4) is rotatably connected to a pressure cover (404), the pressure cover (404) is fixedly mounted on a side of the first bracket (102) away from the reducer (4), and the middle section of the transmission shaft (402) is fixedly connected to a gear (403).

6. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 5, characterized in that: The gear (403) is matched with a rack (108) on the surface of the active rotating bracket (105).

7. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 6, characterized in that: A sliding hole (106) is provided on a side of the first substrate (101) close to the passive side component (2); a pressing bolt (107) is threadedly connected to the first substrate (101) above the sliding hole (106); the pressing bolt (107) is located at one end of the sliding hole (106) close to the passive side component (2).

8. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 7, characterized in that: One end of the sliding rod (3) is inserted into the sliding hole (106), and the extrusion bolt (107) is extruded and connected to the sliding rod (3).

9. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 8, characterized in that: One end of the sliding rod (3) away from the first substrate (101) is welded and fixed to the second substrate (201); the top surface of the second substrate (201) is fixedly connected to a second bracket (202); and both ends of the inner wall of the second bracket (202) away from the second substrate (201) are rotatably connected to two second supporting wheels (204).

10. The engine maintenance turning frame capable of stopping at multiple angles as claimed in claim 9, characterized in that: The top surfaces of the four second supporting wheels (204) are rotatably connected to a passive rotating bracket (205), both ends of the passive rotating bracket (205) are provided with second connecting members (206), both sides of the second bracket (202) are rotatably connected to second pressure wheels (203), and the two second pressure wheels (203) are rotatably connected to the two sides of the passive rotating bracket (205), respectively.

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