CN111152169A - Semi-automatic multi-degree-of-freedom roll-over stand for engine assembly - Google Patents
Semi-automatic multi-degree-of-freedom roll-over stand for engine assembly Download PDFInfo
- Publication number
- CN111152169A CN111152169A CN201910075018.0A CN201910075018A CN111152169A CN 111152169 A CN111152169 A CN 111152169A CN 201910075018 A CN201910075018 A CN 201910075018A CN 111152169 A CN111152169 A CN 111152169A
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- Prior art keywords
- hydraulic
- over stand
- roll
- guide rail
- base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/06—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a semi-automatic multi-degree-of-freedom roll-over stand for engine assembly, which comprises a rotary power unit (1), a hydraulic lifting adjusting mechanism (2), a steering and walking unit (3), a hydraulic supporting mechanism (4) and an auxiliary and connecting device (5). The roll-over stand has multiple degrees of freedom: the rotation around the Y axis is realized by the rotary power unit (1); -providing a displacement in the Z-axis direction with respect to the ground and perpendicular to the ground by the hydraulic lifting adjustment mechanism (2); the steering and walking unit (3) provides the freedom degrees of translation along an X, Y axis and free rotation around a Z axis on the ground, the hydraulic support mechanism (4) supports and fixes the whole roll-over stand relative to the ground, and the auxiliary and connecting device (5) is used for forming and connecting the whole roll-over stand. The invention can realize free movement, can realize the overturning, starting and running of the engine on the overturning frame, and can also adapt to the assembly of various engines and meet the requirement of cleanness.
Description
Technical Field
The invention belongs to the field of modern mechanical design, and particularly relates to a semi-automatic multi-degree-of-freedom roll-over stand for engine assembly.
Background
The engine roll-over stand is the most basic tool for disassembling, assembling and repairing the engine, and at present, a plurality of manufacturers for producing the engine roll-over stand at home and abroad appear, and the produced roll-over stand has two types, namely a fixed type and a movable type. The fixed engine roll-over stand, the engine can overturn, start and operate on the roll-over stand, but need to pour concrete and spend a large amount of time and process when fixed, can't put into use in a short time, and can't move. In addition, oil, water, workpieces and tools are easy to fall to the ground, so that the requirements of sanitation and cleanness cannot be met, and the detection and fault removal are not convenient. Although the movable engine roll-over stand can move, the engine can only be turned over on the roll-over stand and cannot be started or operated, so that the fault detection of the engine cannot be carried out.
In order to solve the problems, the invention provides a semi-automatic multi-freedom-degree roll-over stand for engine assembly, which has the advantages of the conventional fixed and movable roll-over stands, can adapt to the assembly of various engines and meets the requirement of cleanness. The invention has the advantages of light structure, convenient movement, strong reliability and wide applicability, and effectively solves the problems of difficult assembly, complex disassembly, unstable rack and the like of various engines.
Disclosure of Invention
In order to solve the existing problems, the invention provides a semi-automatic multi-degree-of-freedom roll-over stand for engine assembly.
The invention is realized by the following technical scheme:
a semi-automatic multi-degree-of-freedom roll-over stand for engine assembly comprises a rotary power unit (1), a hydraulic lifting adjusting mechanism (2), a steering and walking unit (3), a hydraulic supporting mechanism (4) and an auxiliary connecting device (5). The rotary power unit includes: the device comprises a driving support (1.1), a driving pinion (1.2), a large gear ring (1.3), a wheel disc (1.4), a cross beam (1.5) and a roller support frame (1.6); the method is characterized in that: the driving small teeth (1.2) are supported by the driving support (1.1), the power of rotary motion is transmitted into by the driving small teeth (1.2) to drive the large gear ring (1.3) to rotate, the large gear ring and the wheel disc (1.4) are fixed by bolts to drive the wheel disc (1.4) to rotate, and the two wheel discs (1.4) are fixed by the cross beam (1.5) to realize synchronization and are constrained by the roller support frame (1.6) on the base block (5.1). The hydraulic lifting adjusting mechanism (2) comprises: the device comprises a linear guide rail (2.1), a guide rail sliding block (2.2), a locking clamping plate (2.3), assembling square steel (2.4), a wheel disc hydraulic cylinder (2.5), a hydraulic cylinder support (2.6) and a limiting hole (2.7); the method is characterized in that: the guide rail sliding block (2.2) and the locking clamping plate (2.3) are fixed together, the guide rail sliding block (2.2) is matched with the linear guide rail (2.1), and the assembling square steel (2.4) can freely move along the Z-axis direction. The power in the Z-axis direction is derived from the wheel disc hydraulic cylinder (2.5) on the hydraulic support (2.6), and the hydraulic lifting adjusting mechanism (2) is fixed through the limiting hole (2.7). The steering and walking unit (3) comprises: a base turntable (3.1), a front wheel (3.2) and a rear wheel (3.3); the method is characterized in that: four front and back wheels all adopt the universal wheel, front wheel (3.2) pass through base carousel (3.1) with base roof beam (5.2) are connected, rear wheel (3.3) directly with base roof beam (20) are connected. The hydraulic support mechanism (4) comprises: a large base block guide rail (4.1), a small base block guide rail (4.2), a hydraulic cylinder frame (4.3) and a support hydraulic cylinder (4.4); the method is characterized in that: the base block large guide rail (4.1) is matched with the base block small guide rail (4.2), the hydraulic cylinder frame (4.3) is fixed with the small guide rail (4.2) on the base block (5.1), and the supporting hydraulic cylinder (4.4) is fixed with the hydraulic cylinder frame (4.3).
As a further optimization scheme of the invention, the rotary power unit (1) is only provided with one group of gears for meshing, the driving pinion (1.2) drives the large gear ring (1.3), the large gear ring, the wheel disc (1.4) and the cross beam (1.5) are fixed to rotate around a Y axis, wherein the large gear ring (1.3) is fixed on one wheel disc (1.4), and the two wheel discs (1.4) are restrained by four roller support frames (1.6). On one hand, the tooth surface damage caused by differential speed is avoided, and on the other hand, the structure is simplified and the maintenance is convenient.
As a further optimization scheme of the invention, the limit holes (2.7) on the locking clamping plate (2.3) in the hydraulic adjusting mechanism (2) adopt long through holes which are symmetrically distributed, so that the square steel for assembly is convenient to move and can be used for assembling engines with different lengths. The linear guide rail (2.1) is provided with a plurality of limiting holes (2.7) for providing coarse adjustment along the Z-axis direction.
As a further optimized scheme of the invention, the supporting hydraulic cylinder (4.4) in the hydraulic supporting mechanism (4) is contracted to the minimum, and the steering and walking unit (3) is contacted with the ground to realize free movement; the supporting hydraulic cylinder (4.4) can support the whole roll-over stand by the maximum extension and realize fine adjustment in the Z-axis direction.
As a further optimization scheme of the invention, two front wheels (3.2) in the steering and walking unit (3) are fixed with the base beam (5.2) through the base turntable (3.1), and the base turntable (3.1) can freely rotate, so that the flexible movement of the whole equipment is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a rotary power unit of the present invention;
FIG. 3 is a schematic view of an adjustable mounting beam mechanism of the present invention;
FIG. 4 is a schematic view of the auxiliary steering and walking unit of the present invention;
in the figure:
1. a rotary power unit: 1.1, an active bracket; 1.2 driving pinion; 1.3, a large gear ring; 1.4, a wheel disc;
1.5, a cross beam; 1.6, roller support frame;
2. hydraulic pressure lift guiding mechanism: 2.1, linear guide rails; 2.2, guide rail sliding blocks;
2.3, locking the clamping plate; 2.4, assembling square steel; 2.5 a wheel disc hydraulic cylinder; 2.6, a hydraulic cylinder support; 2.7, limiting holes;
3. a steering and walking unit: 3.1, base turnplate; 3.2, front wheels; 3.3, a rear wheel;
4. hydraulic support mechanism: 4.1, a base block large guide rail; 4.2, a small guide rail of the base block; 4.3, a hydraulic cylinder frame; 4.4, supporting a hydraulic cylinder;
5. auxiliary connecting device: 5.1, a base block; 5.2, base beams; 5.3, an oil receiving disc;
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in figure 1, the semi-automatic multi-degree-of-freedom roll-over stand for engine assembly comprises a rotary power unit (1), a hydraulic lifting adjusting mechanism (2), a steering and walking unit (3), a hydraulic supporting mechanism (4) and an auxiliary connecting device (5). The roll-over stand has multiple degrees of freedom: the rotation around the Y axis is realized by the rotary power unit (1); -providing a displacement in the Z-axis direction with respect to the ground and perpendicular to the ground by the hydraulic lifting adjustment mechanism (2); the steering and walking unit (3) provides the freedom degrees of translation along an X, Y axis and free rotation around a Z axis on the ground, the hydraulic support mechanism (4) supports and fixes the whole roll-over stand relative to the ground, and the auxiliary and connecting device (5) is used for forming and connecting the whole roll-over stand.
The rotary power unit realizes rotation around the Y axis through the following modes: the driving small teeth (1.2) are supported by the driving support (1.1), the power of rotary motion is transmitted into by the driving small gears (1.2), the driving large gear ring (1.3) is rotated, the large gear ring is fixed by bolts with the wheel disc (1.4), so that the wheel disc (1.4) is driven to rotate, the two wheel discs are fixed by the cross beam (1.5) to realize synchronization, and the wheel disc is fixed on the base block (5.1) through the roller support frame (1.6) to restrict the movement in the X, Y, Z direction and the rotation in the X, Z direction. The rotary power unit (1) and the hydraulic lifting adjusting mechanism (2) are connected together through the linear guide rail (2.1) and the guide rail sliding block (2.2). The hydraulic lifting adjusting mechanism (2) realizes displacement in the Z-axis direction in the following mode: the power of the Z-axis direction movement comes from a wheel disc hydraulic cylinder (2.5) fixed on the hydraulic cylinder support (2.6), and the assembling square steel (2.4) and the locking clamp plate (2.3) can move up and down in the Z-axis direction through the matching of the linear guide rail (2.1) and the guide rail slide block (2.2). The steering and walking unit (3) provides freedom of translation along axis X, Y and free rotation around axis Z on the ground by: the rear wheels (3.3) of the steering and walking unit (3) are directly connected with the base beam (5.2), the front wheels (3.2) are connected with the base beam (5.2) through the base turntable (3.1), the base turntable (3.1) can rotate freely, and the flexible movement of the whole equipment is realized. The hydraulic support mechanism (4) realizes the support of the roll-over stand through the following modes: the base block large guide rail (4.1) is matched with the base block small guide rail (4.2), the hydraulic cylinder frame (4.3) is fixed with the base block small guide rail, and the supporting hydraulic cylinder (4.4) is fixed with the hydraulic cylinder frame. Two base blocks (5.1) in the auxiliary connecting device (5) are arranged into a hollow U shape and are respectively fixed at two ends of the base beam (5.2), and the oil receiving disc (5.3) is arranged in the middle of the base blocks (5.1) on the base beam (5.2).
As shown in fig. 2, the wheel disc (1.4) is connected with the two cross beams (1.5), the four roller supporting frames (1.6) support the wheel disc (1.4), the linear guide rail (2.1) is fixed on the wheel disc (1.4), and the linear guide rail (2.1) is matched with the guide rail sliding block (2.2). The hydraulic cylinder support (2.6) is fixed on the wheel disc (1.4) and used for supporting and fixing the wheel disc hydraulic cylinder (2.5).
As shown in fig. 3, the guide rail sliding block (2.2) is fixed on the locking clamping plate (2.3), the assembling square steel (2.4) is connected with the locking clamping plate (2.3) through the limiting hole (2.7), the assembling square steel (2.4), the locking clamping plate (2.3) and the guide rail sliding block (2.2) jointly move along the linear guide rail (2.1), and the assembling square steel (2.4) is provided with a plurality of groups of limiting holes (2.7) for assembling engines of different models.
As shown in fig. 4, two rear wheels (3.3) of the steering and traveling unit (3) are fixed on the base beam (5.2), two front wheels (3.2) are fixed on the base turntable (3.1), and the upper end of the base turntable (3.1) is connected with the base beam (5.2); the sum of the height of the front wheel (3.2) and the height of the base turntable (3.1) is equal to the height of the rear wheel (3.3), so that the balance of the whole device is realized.
Claims (3)
1. A semi-automatic multi-degree-of-freedom roll-over stand for engine assembly comprises a rotary power unit (1), a hydraulic lifting adjusting mechanism (2), a steering and walking unit (3), a hydraulic supporting mechanism (4) and an auxiliary connecting device (5). The rotary power unit (1) is composed of a driving support (1.1), a driving pinion (1.2), a large gear ring (1.3), a wheel disc (1.4), a cross beam (1.5) and a roller support frame (1.6); the hydraulic lifting adjusting mechanism (2) is composed of a linear guide rail (2.1), a guide rail slide block (2.2), a locking splint (2.3), assembling square steel (2.4), a wheel disc hydraulic cylinder (2.5), a hydraulic cylinder support (2.6) and a limiting hole (2.7); the steering and walking unit (3) is composed of a base turntable (3.1), front wheels (3.2) and rear wheels (3.3); the hydraulic support mechanism (4) consists of a large base guide rail (4.1), a small base block guide rail (4.2), a hydraulic cylinder frame (4.3) and a support hydraulic cylinder (4.4); the auxiliary connecting device (5) is composed of a base block (5.1), a base beam (5.2) and an oil receiving disc (5.3).
2. The semi-automatic multi-degree-of-freedom roll-over stand for engine assembly according to claim 1, characterized in that: the rotary power unit (1) is only meshed with one group of gears, the driving pinion (1.2) drives the large gear ring (1.3), the large gear ring, the wheel disc (1.4) and the cross beam (1.5) are fixed to rotate around a Y axis, the large gear ring is fixed on one wheel disc, and the two wheel discs are restrained by four roller support frames (1.6).
3. The semi-automatic multi-degree-of-freedom roll-over stand for engine assembly according to claim 1, characterized in that: the four supporting hydraulic cylinders (4.4) of the hydraulic supporting mechanism (4) are contracted to the minimum, and the steering and walking unit (3) is in contact with the ground to realize free movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075018.0A CN111152169A (en) | 2019-01-25 | 2019-01-25 | Semi-automatic multi-degree-of-freedom roll-over stand for engine assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075018.0A CN111152169A (en) | 2019-01-25 | 2019-01-25 | Semi-automatic multi-degree-of-freedom roll-over stand for engine assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111152169A true CN111152169A (en) | 2020-05-15 |
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ID=70555605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910075018.0A Withdrawn CN111152169A (en) | 2019-01-25 | 2019-01-25 | Semi-automatic multi-degree-of-freedom roll-over stand for engine assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111152169A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936198A (en) * | 2021-01-26 | 2021-06-11 | 杭州华锐工具有限公司 | Engine assembly electric roll-over stand convenient to dismouting |
| CN113021227A (en) * | 2021-03-23 | 2021-06-25 | 郑州航空工业管理学院 | Multi-body-position-machine electrical installation tool device |
-
2019
- 2019-01-25 CN CN201910075018.0A patent/CN111152169A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936198A (en) * | 2021-01-26 | 2021-06-11 | 杭州华锐工具有限公司 | Engine assembly electric roll-over stand convenient to dismouting |
| CN113021227A (en) * | 2021-03-23 | 2021-06-25 | 郑州航空工业管理学院 | Multi-body-position-machine electrical installation tool device |
| CN113021227B (en) * | 2021-03-23 | 2024-06-11 | 郑州航空工业管理学院 | Multi-body electromechanical installation tool device |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200515 |
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| WW01 | Invention patent application withdrawn after publication |