CN114147467B - Flexible assembling and disassembling operation device for heavy-load narrow space - Google Patents
Flexible assembling and disassembling operation device for heavy-load narrow space Download PDFInfo
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- CN114147467B CN114147467B CN202111232637.XA CN202111232637A CN114147467B CN 114147467 B CN114147467 B CN 114147467B CN 202111232637 A CN202111232637 A CN 202111232637A CN 114147467 B CN114147467 B CN 114147467B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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Abstract
The invention discloses a flexible assembling and disassembling operation device for a heavy-load narrow space, which comprises a heavy-load cylindrical machine part obliquely arranged in the narrow space in the machine at an inclination angle of more than 65 degrees, a frame and an assembling and disassembling platform, wherein a dragging system is arranged on the assembling and disassembling platform and comprises a dragging mechanism, a horizontal guide mechanism, a fixed pulley, a connecting rod, a clamp and a steel wire rope, the dragging mechanism can horizontally move along the horizontal guide mechanism, one end of the dragging steel wire rope enables the lower end of the heavy-load cylindrical machine part to be nearly vertically lifted, and simultaneously the upper end of the heavy-load cylindrical machine part performs a composite motion of horizontal movement and upward deflection through the connecting rod and the clamp, so that the motion envelope track of the heavy-load cylindrical machine part in the assembling and disassembling process is constrained in a specific inverted L-shaped path space. The invention has the beneficial effects that: the flexible assembling and disassembling operation of the heavy-load hydraulic cylinder in a narrow space can be completed, the labor intensity of workers can be effectively reduced, the operation reliability is higher, and the purposes of shortening the equipment maintenance time and improving the working efficiency are achieved.
Description
Technical Field
The invention belongs to the field of auxiliary devices for machine assembly and disassembly operations, and particularly relates to a device for flexibly assembling and disassembling a heavy-load narrow space.
Background
As shown in fig. 1, a large-scale mechanical apparatus is composed of a housing and an internal working mechanism, a narrow dismounting space is formed between the two components, 3 obliquely installed heavy-duty cylindrical machine components 8, such as heavy hydraulic oil cylinder execution units, are configured at the top of the internal working mechanism, and as shown in fig. 1, the inclination angle (included angle with the horizontal direction) of the axis of the heavy-duty cylindrical machine component 8 is about greater than 65 degrees, the size of the heavy-duty cylindrical machine component 8 is more than 1.5 meters, and the mass is about 1 ton.
During the operation and use of the equipment, if the heavy-duty cylindrical machine part 8 breaks down, the maintenance time is required to be within 2 hours. The operation space reserved for maintenance operation inside the equipment is extremely limited, and the disassembly and assembly operation is very difficult to complete manually.
In particular, when the cylinder I81 and the cylinder III 83 do not need to be removed, the cylinder I81 and the cylinder III 83 form a "narrow mounting space" of the cylinder II 82, and in addition, a "narrow removal space" formed between the housing and the internal operating mechanism (as shown in fig. 1), the removal/attachment movement path of the cylinder II 82 can only move in a "specific t-shaped path space" formed by the "narrow mounting space" and the "narrow removal space", and the removal/attachment of the cylinder II 82 is extremely difficult. Therefore, for efficient maintenance and removal work of the heavy-duty cylindrical machine part 8 in such a narrow space, it is necessary to make it possible to remove and mount the cylinder II 82 by means of a removal and mounting work device, thereby reducing the labor intensity of maintenance personnel and improving the work efficiency.
Disclosure of Invention
The invention aims to: the invention provides a flexible assembling and disassembling operation device for a heavy-load narrow space, which solves the problem that a heavy-load cylindrical machine part in the heavy-load narrow space is difficult to disassemble.
The purpose of the invention is realized by the following technical scheme:
a flexible assembling and disassembling operation device for a heavy-load narrow space comprises a heavy-load cylindrical machine component obliquely installed in the narrow space in the machine at an inclination angle larger than 65 degrees, a rack is arranged, an assembling and disassembling platform is arranged on the rack, a dragging system is arranged on the assembling and disassembling platform and comprises a dragging mechanism, a horizontal guide mechanism, a fixed pulley, a connecting rod, a clamp and a steel wire rope, one end of the connecting rod is hinged to the dragging mechanism, the other end of the connecting rod is hinged to the clamp, the clamp is used for clamping the upper end of the heavy-load cylindrical machine component, and after the steel wire rope bypasses the fixed pulley, one end of the steel wire rope is connected with the dragging mechanism, and the other end of the steel wire rope is connected with the lower end of the heavy-load cylindrical machine component; the dragging mechanism can horizontally move along the horizontal guide mechanism under the action of driving power, one end of the dragging steel wire rope is used for dragging the lower end of the heavy-load cylindrical machine component to be almost vertically lifted by virtue of the horizontal movement of the dragging mechanism, and meanwhile, the upper end of the heavy-load cylindrical machine component is subjected to horizontal movement and upward deflection compound movement through the connecting rod and the clamp, so that the movement envelope track of the heavy-load cylindrical machine component in the assembling and disassembling process is constrained in a specific inverted L-shaped path space.
Furthermore, the dragging mechanism is provided with a gear and a power device, a rack is arranged on the assembly and disassembly platform, the gear is meshed with the rack, and the gear is driven by the power device to rotate so as to drive the dragging mechanism to horizontally move.
Furthermore, the assembly and disassembly platform is arranged on the rack through a transverse moving mechanism, the transverse moving mechanism comprises a transverse moving driving mechanism and a transverse moving guide mechanism, the transverse moving driving mechanism comprises a lead screw, the lead screw is rotationally arranged on the rack, and the lead screw is in threaded fit with a sliding block on the transverse moving mechanism.
Furthermore, the number of the fixed pulleys is two, the number of the steel wire ropes is two, the two fixed pulleys and the steel wire ropes are symmetrically arranged, and the two steel wire ropes respectively pass around the two fixed pulleys.
Furthermore, the dragging mechanism is provided with a rope length adjusting mechanism, and the rope length adjusting mechanism is connected with the steel wire rope.
Furthermore, the power device of the dragging mechanism has self-locking performance.
The invention has the beneficial effects that: the flexible assembling and disassembling operation of the heavy-load cylindrical machine part in a narrow space can be completed, the labor intensity of workers can be effectively reduced, the operation reliability is higher, and the purposes of shortening the equipment maintenance time and improving the working efficiency are achieved.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the invention, the selection (each non-conflict selection) and other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
Drawings
Fig. 1 is a layout diagram of an inclined oil cylinder in the upper space of a certain conventional large-scale mechanical device.
Fig. 2 is a schematic view of the present invention (ready for disassembly).
Fig. 3 is a schematic view of the structure of the present invention (finishing disassembly).
Fig. 4 is a schematic view of the disassembly attitude of the present invention (ready for disassembly).
Fig. 5 is a schematic view of the detachment attitude (end detachment) of the present invention.
In the figure: 1-a disassembly and assembly platform, 2-a fixed pulley, 3-a rope length adjusting mechanism, 4-a clamp, 5-a frame, 6-a dragging mechanism, 7-a steel wire rope, 8-a heavy-load cylindrical machine component, 81-a cylinder I, 82-a cylinder II, 83-a cylinder III, 11-a horizontal guide mechanism, 12-a connecting rod, 13-a gear, 14-a rack, 15-a power device, 16-a transverse movement mechanism, 17-a transverse movement driving mechanism, 18-a transverse movement guide mechanism, 21-a lead screw and 22-a sliding block.
Detailed Description
The following non-limiting examples serve to illustrate the invention.
Example 1:
referring to fig. 2 and 3, a flexible assembly and disassembly operation device for a heavy-load narrow space comprises a heavy-load cylindrical machine component 8 obliquely installed in the narrow space in the machine at an inclination angle larger than 65 degrees, a frame 5 is arranged, an assembly and disassembly platform 1 is arranged on the frame 5, a dragging system is arranged on the assembly and disassembly platform 1, the dragging system comprises a dragging mechanism 6, a horizontal guide mechanism 11, a fixed pulley 2, a connecting rod 12, a clamp 4 and a steel wire rope 7, one end of the connecting rod 12 is hinged to the dragging mechanism 6, the other end of the connecting rod is hinged to the clamp 4, the clamp 4 is used for clamping the upper end of the heavy-load cylindrical machine component 8, and after the steel wire rope 7 rounds the fixed pulley 2, one end of the steel wire rope is connected with the dragging mechanism 6, and the other end of the steel wire rope is connected with the lower end of the heavy-load cylindrical machine component 8; the dragging mechanism 6 can horizontally move along the horizontal guide mechanism 11 under the action of driving power, and by means of the horizontal movement of the dragging mechanism 6, one end of the dragging wire rope 7 enables the lower end of the heavy-load cylindrical machine component 8 to be nearly vertically lifted, and simultaneously enables the upper end of the heavy-load cylindrical machine component 8 to perform composite movement of horizontal movement and upward deflection through the connecting rod 12 and the clamp 4, so that the movement envelope track of the heavy-load cylindrical machine component 8 in the assembling and disassembling process is constrained in a specific inverted L-shaped path space.
The dragging mechanism 6 is provided with a gear 13 and a power device 15, a rack 14 is arranged on the assembly and disassembly platform 1, the gear 13 is meshed with the rack 14, and the gear 13 is driven by the power device 15 to rotate so as to drive the dragging mechanism 6 to horizontally move.
The assembly and disassembly platform 1 is arranged on the frame 5 through a transverse moving mechanism 16, the transverse moving mechanism 16 comprises a transverse moving driving mechanism 17 and a transverse moving guide mechanism 18, the transverse moving driving mechanism 17 comprises a lead screw 21, the lead screw 21 is rotationally arranged on the frame 5, and the lead screw 21 is in threaded fit with a slide block 22 on the transverse moving mechanism 16. The transverse moving driving mechanism 17 is used for electrically assembling and disassembling the platform and transversely moving on the frame.
The fixed pulleys 2 are two, the steel wire ropes 7 are two, the two fixed pulleys 2 and the steel wire ropes 7 are symmetrically arranged, the two steel wire ropes 7 are wound around the two fixed pulleys 2 respectively, the whole hoisting stress is guaranteed to be symmetrically arranged relative to the oil cylinder, and the hoisting stability is improved.
The dragging mechanism 6 is provided with a rope length adjusting mechanism 3, and the rope length adjusting mechanism 3 is connected with a steel wire rope 7. The length of the steel wire rope can be adjusted, and the operation during hoisting is convenient.
The power device 15 of the dragging mechanism 6 has self-locking performance and is convenient for assembly and disassembly operation.
The working process of the invention is as follows: when dismantling heavy load cylindricality machine part 8, remove and drag mechanism 6 to left side extreme position, platform 1 to suitable position is installed and removed in the adjustment, make anchor clamps 4 clip wait to tear open the upper end of heavy load cylindricality machine part 8, wire rope one end is connected with the lower extreme of heavy load cylindricality machine part 8 after bypassing fixed pulley 2, the wire rope other end is fixed on the rope length guiding mechanism 3, hand wheel rotation lead screw 21 through on the rope length guiding mechanism 3, adjust the rope length to suitable length, right-hand movement drags mechanism 6, wait to tear open heavy load cylindricality machine part 8 and promote the limit deflection along with dragging 6 right sides of leading mechanism, promptly: the lower end of the heavy-load cylindrical machine component 8 is lifted almost vertically, and the upper end of the heavy-load cylindrical machine component 8 performs composite motion of horizontal movement and upward deflection through the connecting rod 12 and the clamp 4 until the upper end is separated from the narrow installation space and is close to a limited disassembly space positioned on the upper part of the installation space in a horizontal and horizontal mode, so that the motion envelope locus of the heavy-load cylindrical machine component 8 in the disassembly process is restricted in a specific inverted L-shaped path space.
The process of installing a heavy-duty cylindrical machine component is the reverse of the disassembly process. During installation, the dragging mechanism 6 is moved to the right end position, the assembly and disassembly platform 1 is adjusted to a proper position, the clamp 4 is enabled to clamp the rear end (the right end in the figures 2 and 3) of the heavy-load cylindrical machine part 8 to be disassembled, one end of the steel wire rope is connected with the front end (the left end in the figures 2 and 3) of the heavy-load cylindrical machine part 8 after bypassing the fixed pulley 2, the other end of the steel wire rope is fixed on the rope length adjusting mechanism 3, the lead screw is rotated through the hand wheel on the rope length adjusting mechanism 3 to adjust the rope length to a proper length, the dragging mechanism 6 is moved leftwards, the heavy-load cylindrical machine part 8 to be assembled deflects along with the descending of the left moving side of the mechanism until the heavy-load cylindrical machine part enters the assembly position in an inclined mode.
The foregoing basic embodiments of the invention and their various further alternatives can be freely combined to form multiple embodiments, all of which are examples of what the invention can employ and claim. In the scheme of the invention, each selection example can be combined with any other basic example and selection example at will.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a gentle and agreeable operation device of installing and removing in heavy load narrow space, includes with the inclination slant of being greater than 65 and installs heavy load cylindricality machine part (8) in the narrow space of machine inside, its characterized in that: the assembling and disassembling device is characterized by comprising a rack (5), wherein an assembling and disassembling platform (1) is arranged on the rack (5), a dragging system is arranged on the assembling and disassembling platform (1), the dragging system comprises a dragging mechanism (6), a horizontal guide mechanism (11), a fixed pulley (2), a connecting rod (12), a clamp (4) and a steel wire rope (7), one end of the connecting rod (12) is hinged to the dragging mechanism (6), the other end of the connecting rod is hinged to the clamp (4), the clamp (4) is used for clamping the upper end of a heavy-load cylindrical machine component (8), one end of the steel wire rope (7) is connected with the dragging mechanism (6) after bypassing the fixed pulley (2), and the other end of the steel wire rope is connected with the lower end of the heavy-load cylindrical machine component (8); the dragging mechanism (6) can horizontally move along the horizontal guide mechanism (11) under the action of driving power, one end of the dragging steel wire rope (7) enables the lower end of the heavy-load cylindrical machine component (8) to be nearly vertically lifted through the horizontal movement of the dragging mechanism (6), and meanwhile the upper end of the heavy-load cylindrical machine component (8) is enabled to do composite movement of horizontal movement and upward deflection through the connecting rod (12) and the clamp (4), so that the movement envelope track of the heavy-load cylindrical machine component (8) in the assembling and disassembling process is constrained in a specific inverted L-shaped path space.
2. The device for flexibly assembling and disassembling the heavy-load narrow space according to claim 1, characterized in that: the dragging mechanism (6) is provided with a gear (13) and a power device (15), a rack (14) is arranged on the assembly and disassembly platform (1), the gear (13) is meshed with the rack (14), and the gear (13) is driven by the power device (15) to rotate so as to drive the dragging mechanism (6) to horizontally move.
3. The device for flexibly assembling and disassembling the heavy-load narrow space according to claim 1, characterized in that: the assembling and disassembling platform (1) is arranged on the rack (5) through a transverse moving mechanism (16), the transverse moving mechanism (16) comprises a transverse moving driving mechanism (17) and a transverse moving guide mechanism (18), the transverse moving driving mechanism (17) comprises a lead screw (21), the lead screw (21) is rotatably arranged on the rack (5), and the lead screw (21) is in threaded fit with a sliding block (22) on the transverse moving mechanism (16).
4. The device for flexibly assembling and disassembling the heavy-load narrow space according to claim 1, characterized in that: the steel wire rope fixing device is characterized in that the number of the fixed pulleys (2) is two, the number of the steel wire ropes (7) is two, the two fixed pulleys (2) and the two steel wire ropes (7) are symmetrically arranged, and the two steel wire ropes (7) respectively pass around the two fixed pulleys (2).
5. The device for flexibly assembling and disassembling the heavy-load narrow space according to claim 1, characterized in that: the dragging mechanism (6) is provided with a rope length adjusting mechanism (3), and the rope length adjusting mechanism (3) is connected with a steel wire rope (7).
6. The device for flexibly assembling and disassembling the heavy-load narrow space according to claim 2, characterized in that: the power device (15) of the dragging mechanism (6) has self-locking property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232637.XA CN114147467B (en) | 2021-10-22 | 2021-10-22 | Flexible assembling and disassembling operation device for heavy-load narrow space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232637.XA CN114147467B (en) | 2021-10-22 | 2021-10-22 | Flexible assembling and disassembling operation device for heavy-load narrow space |
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| Publication Number | Publication Date |
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| CN114147467A CN114147467A (en) | 2022-03-08 |
| CN114147467B true CN114147467B (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111232637.XA Active CN114147467B (en) | 2021-10-22 | 2021-10-22 | Flexible assembling and disassembling operation device for heavy-load narrow space |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159380A (en) * | 1995-10-11 | 1997-09-17 | 东芝株式会社 | Device and method for deassembling and assembling combustion turbine |
| CN103921101A (en) * | 2014-04-22 | 2014-07-16 | 四川工程职业技术学院 | Adjusting tool and method for installing large heavy load equipment electromagnetic clutch |
| GB2486169B (en) * | 2010-12-01 | 2017-09-20 | Allingham William | Carrier device |
| CN112794168A (en) * | 2019-11-14 | 2021-05-14 | 上海梅山钢铁股份有限公司 | Grab bucket steel wire rope replacing device for bridge type grab bucket ship unloader |
-
2021
- 2021-10-22 CN CN202111232637.XA patent/CN114147467B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159380A (en) * | 1995-10-11 | 1997-09-17 | 东芝株式会社 | Device and method for deassembling and assembling combustion turbine |
| GB2486169B (en) * | 2010-12-01 | 2017-09-20 | Allingham William | Carrier device |
| CN103921101A (en) * | 2014-04-22 | 2014-07-16 | 四川工程职业技术学院 | Adjusting tool and method for installing large heavy load equipment electromagnetic clutch |
| CN112794168A (en) * | 2019-11-14 | 2021-05-14 | 上海梅山钢铁股份有限公司 | Grab bucket steel wire rope replacing device for bridge type grab bucket ship unloader |
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| CN114147467A (en) | 2022-03-08 |
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