CN117359255A - T-shaped shaft dismounting tool and use method - Google Patents

T-shaped shaft dismounting tool and use method Download PDF

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Publication number
CN117359255A
CN117359255A CN202311313830.5A CN202311313830A CN117359255A CN 117359255 A CN117359255 A CN 117359255A CN 202311313830 A CN202311313830 A CN 202311313830A CN 117359255 A CN117359255 A CN 117359255A
Authority
CN
China
Prior art keywords
gear shaft
intermediate gear
sliding
bracket
clamping device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311313830.5A
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Chinese (zh)
Inventor
余正彬
黄皓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Shipbuilding Power Engineering Institute Co Ltd
Original Assignee
China Shipbuilding Power Engineering Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Shipbuilding Power Engineering Institute Co Ltd filed Critical China Shipbuilding Power Engineering Institute Co Ltd
Priority to CN202311313830.5A priority Critical patent/CN117359255A/en
Publication of CN117359255A publication Critical patent/CN117359255A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/02Machines 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 connecting objects by press fit or for detaching same
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/10Aligning parts to be fitted together
    • B23P19/12Alignment of parts for insertion into bores

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

The invention relates to a T-shaped shaft dismounting tool and a using method thereof, wherein the T-shaped shaft dismounting tool comprises a fixed bracket, a part clamping device and a sliding bracket, wherein the fixed bracket is fixedly arranged on a diesel engine rack and is used for supporting a middle gear shaft, the sliding bracket and the part clamping device when a middle gear shaft is dismounted; two sides of the sliding bracket are connected with the fixed bracket through idler wheels and are used for supporting the part clamping device and the intermediate gear shaft, and the intermediate gear shaft is arranged in the mounting hole; the part clamping device is connected with the intermediate gear shaft through the supporting arm and is used for supporting and overturning the intermediate gear shaft. The T-shaped shaft dismounting tool and the using method thereof can safely and conveniently dismount the intermediate gear shaft, and greatly reduce the risk of shearing the O-shaped sealing ring.

Description

T-shaped shaft dismounting tool and use method
Technical Field
The invention relates to a diesel engine dismounting tool, in particular to a T-shaped shaft dismounting tool and a using method thereof.
Background
The diesel engine is not separated from maintenance in the use process, different from the convenient condition of factory maintenance, the maintenance working process of the service site of the diesel engine often involves the disassembly and assembly of some heavy T-shaped shaft parts, the parts only have one flange and can only be assembled from one end, the middle gear shaft, the embedded belt pump and the like of the large-sized medium-speed diesel engine developed by my department are transversely embedded and installed due to the sealing performance and the structural manufacturing requirement, the other end cannot be seen and cannot be operated, no practically usable specific tool is available in the disassembly and maintenance, the currently used tool cannot meet the disassembly and installation requirement, the sealing ring is extremely easy to damage in the disassembly and assembly process, the disassembly and the assembly are repeated, and the workload is large.
Disclosure of Invention
The invention aims to provide a T-shaped shaft dismounting tool and a using method, which take an intermediate gear as an example, can safely and conveniently dismount an intermediate gear shaft, and greatly reduce the risk of shearing an O-shaped sealing ring.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the T-shaped shaft dismounting tool comprises a fixed bracket, a part clamping device and a sliding bracket, wherein the fixed bracket is fixedly arranged on a diesel engine rack and is used for supporting a middle gear shaft, the sliding bracket and the part clamping device when the middle gear shaft is dismounted; two sides of the sliding bracket are connected with the fixed bracket through idler wheels and are used for supporting the part clamping device and the intermediate gear shaft, and the intermediate gear shaft is arranged in the mounting hole; the part clamping device is connected with the intermediate gear shaft through the supporting arm and is used for supporting and overturning the intermediate gear shaft.
Further, the fixing bracket is mounted to the frame through a bracket fixing bolt.
Further, a guide rail is arranged on the inner side of the fixed support and is connected with the idler wheels of the sliding bracket in a matched mode.
Further, the top of the fixed support is fixedly connected with the baffle through bolts.
Further, the sliding bracket comprises a sliding main body, a pressing rod, a rear protection liner, a front protection liner and rollers, wherein two rollers are respectively arranged on two sides of the sliding main body, and the pressing rod, the rear protection liner and the front protection liner are respectively arranged at the lower ends of two sides of the sliding main body.
Further, the compression bar, the rear protection liner and the front protection liner are positioned at two ends of one side of the sliding main body.
Further, the compression bar is detachably connected with the sliding body through a connecting pin and a nut.
Further, the roller is fixedly connected to the sliding main body through a roller pin, a gasket and a nut.
Further, the part clamping device comprises a bottom plate and a supporting arm, one end of the supporting arm is connected with the bottom plate through a bolt, and a pair of protruding pins are arranged on the outer side of the supporting arm.
The invention relates to a using method of a T-shaped shaft dismounting tool, which is used for dismounting and mounting a middle gear shaft and a diesel engine frame, and is characterized in that firstly, a fixed bracket is mounted on the frame through bolts, rollers on two sides of a sliding bracket are led into guide rails on the fixed bracket, a baffle plate and bolts of the fixed bracket are fastened well to prevent the rollers from sliding out, then the middle gear shaft to be mounted is hoisted and the middle gear shaft to be mounted is placed on a front protection bush on one side of the sliding bracket, which is close to the frame, through a pair of protruding pins on the outer side of a part clamping device, a pair of connecting pins and nuts on the sliding bracket, which are close to a compression bar, are loosened and taken down, the pair of compression bars are rotated outwards by 10 degrees, the supporting arms of the part clamping device are loosened but not taken down, the part clamping device and the part clamping device are moved around the axis of a front protection bush until the tail end center of the middle gear shaft is slightly higher than the horizontal plane position where the center of a mounting hole is located, the pair of compression bars are rotated inwards to the original position horizontally and pressed on the other pair of protruding pins of the supporting arms, and the bolts and the nuts of the sliding bracket are mounted back to the sliding bracket and are screwed down; the axial position of the intermediate gear shaft is adjusted to enable the central line of the intermediate gear shaft to be aligned with the central line of the mounting hole, then the sliding bracket is pushed to enable the intermediate gear shaft to be slowly installed in the mounting hole, a plurality of bolts are screwed on, the flange of the intermediate gear shaft is connected with the frame, finally, all the mounting tools and the lifting tools are taken down, the rest bolts are screwed in, and all the bolts are screwed in, so that the mounting work of the intermediate gear shaft is completed; when the middle gear shaft is disassembled and assembled, the disassembly process of the middle gear shaft is opposite to the assembly process, but before the T-shaped shaft disassembly tool is assembled, the middle gear shaft is ejected out by a certain distance by two bolts so as to have a space assembly tool.
The beneficial effects of the invention are as follows:
the T-shaped shaft dismounting tool and the using method thereof can safely and conveniently dismount the intermediate gear shaft, and greatly reduce the risk of shearing the O-shaped sealing ring.
Drawings
FIG. 1 is a schematic illustration of a T-axis running tool assembly of the present invention;
FIG. 2 is a schematic illustration of a stationary bracket;
FIG. 3 is a schematic view of a sliding bracket;
FIG. 4 is a schematic view of a component holding device;
FIGS. 5 to 12 are schematic views showing a process of loading an intermediate gear shaft into a diesel engine frame by using the T-shaped shaft dismounting tool of the present invention;
fig. 13 is a schematic view showing that two bolts eject the intermediate gear shaft by a distance when the intermediate gear shaft is disassembled.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in FIG. 1, the T-shaped shaft dismounting tool comprises a fixed bracket, a part clamping device and a sliding bracket. The fixed bracket is fixedly arranged on the diesel engine frame and is used for supporting the intermediate gear shaft, the sliding bracket and the part clamping device when the intermediate gear shaft is disassembled and assembled. Two sides of the sliding bracket are connected with the fixed bracket through idler wheels and are used for supporting the part clamping device and the intermediate gear shaft, and the intermediate gear shaft is arranged in the mounting hole; the part clamping device is connected with the intermediate gear shaft through a supporting arm 16 and is used for supporting and overturning the intermediate gear shaft.
As shown in fig. 2, the fixing bracket comprises a bracket fixing bolt 01, a main body 02, a baffle 03 and a bolt 04. One end of the main body 02 is mounted on the frame through a bracket fixing bolt 01, and the top of the main body 02 is fixedly connected with the baffle 03 through a bolt 04. A guide rail is arranged on the inner side of the main body 02.
As shown in fig. 3, the sliding bracket includes a sliding body 05, a connecting pin 06, a pressing lever 07, a nut 08, a rear protection pad 09, a front protection pad 10, a roller pin 11, a roller 12, a washer 13, and a nut 14. Two rollers 12 are respectively arranged on two sides of the sliding main body 05, a pressing rod 07, a rear protection liner 09 and a front protection liner 10 are respectively arranged at the lower ends of the two sides, and the pressing rod 07, the rear protection liner 09 and the front protection liner 10 are positioned at two ends of one side of the sliding main body 05. The pressing lever 07 is detachably connected to the sliding body 05 by a connecting pin 06 and a nut 08. The roller 12 is fixedly connected to the sliding body 05 through a roller pin 11, a washer 13 and a nut 14. The rollers 12 on both sides of the sliding carriage are guided into guide rails on the fixed support.
As shown in fig. 4, the component holding device includes a base plate 15, a support arm 16, and a bolt 17. One end of the supporting arm 16 is connected with the bottom plate 15 through a bolt 17, and a pair of protruding pins are arranged on the outer side. The component clamping device rests the intermediate gear shaft to be mounted on the front protective bush 10 at the front end (side close to the machine frame) of the sliding bracket and the rear protective bush 09 on the compression bar 07 by means of the protruding pins.
In the mounting process, after the bolts 01 and the main body 02 in the fixed bracket are mounted on the frame, the rollers on two sides of the sliding bracket are led into the guide rails on the fixed bracket, and the baffle 03 and the bolts 04 of the fixed bracket are fastened well so as to prevent the rollers from sliding out. The intermediate gear shaft to be mounted is lifted up and is placed on the front protective bush 10 at the front end (side close to the frame) of the sliding bracket by a pair of protruding pins at the outside of the component holding device. The pair of connecting pins 06 and nuts 08 on the slide bracket near the compression bar 07 are released and removed, the pair of compression bars 07 are rotated outward by about 10 ° each, the spreader is released but not removed, the support arm 16 of the component clamping device is moved, the component and component clamping device is rotated about the axis of the front protective bush 10 until the tip center of the intermediate gear shaft is slightly higher than the horizontal plane position where the center of the mounting hole is located, the pair of compression bars 07 are rotated horizontally inward to the home position and pressed against the other pair of protruding pins of the support arm 16, and the bolts 06 and nuts 08 of the slide bracket are fitted back to the slide bracket and tightened. And (3) adjusting the axial position of the intermediate gear shaft to align the central line of the intermediate gear shaft with the central line of the mounting hole, pushing the sliding bracket to slowly mount the intermediate gear shaft into the mounting hole, screwing a plurality of bolts, and connecting the flange of the intermediate gear shaft with the frame. And taking down all the mounting tools and the lifting tools, screwing in the rest bolts and screwing up all the bolts to finish the mounting work of the intermediate gear shaft. The disassembly of the intermediate gear shaft is contrary to this, but slightly different, and the intermediate gear shaft is first pushed out a distance with two bolts before the disassembly tool is installed, so that there is room for the installation tool.
As shown in fig. 5 to 12, the method for using the T-shaped shaft dismounting tool of the present invention, the steps of mounting the intermediate gear shaft into the diesel engine frame are as follows:
step one: firstly, mounting a fixed bracket on a diesel engine rack and screwing bolts, as shown in fig. 5;
step two: the rollers at two sides of the sliding bracket are led into the guide rail on the fixed bracket, and the baffle plate 03 and the bolts 04 of the fixed bracket are fastened well to prevent the rollers from sliding out, as shown in fig. 6;
step three: the intermediate gear shaft is provided with a clamping device, and the intermediate gear shaft to be installed is hung up and placed on a protective bushing 10 at the front end (the side close to the frame) of the sliding bracket through a pair of protruding pins at the outer side of the clamping device, as shown in fig. 7;
step four: releasing and removing the pair of connecting pins 06 and nuts 08 on the slide bracket adjacent to the compression bars 07, and rotating the pair of compression bars 07 outwardly by about 10 ° each, see fig. 8;
step five: loosening the lifting appliance but not taking off, moving the supporting arm 16 of the clamping device, rotating the parts and the clamping device around the axis of the protective bushing 10 until the tail end center of the middle gear shaft is slightly higher than the horizontal plane position where the center of the mounting hole is, horizontally and inwards rotating a pair of compression rods 07 to the original position and pressing on the other pair of convex pins of the supporting arm 16, and installing the bolts 06 and the nuts 08 of the sliding bracket back to the sliding bracket and screwing the bolts, as shown in fig. 9 and 10;
step six: the axial position of the intermediate gear shaft is adjusted to align the central line of the intermediate gear shaft with the central line of the mounting hole, then the sliding bracket is pushed to slowly mount the intermediate gear shaft into the mounting hole, when the bottom plate 15 of the clamping device is about to approach the plane of the frame, a plurality of bolts are screwed, but not screwed, and the flange of the intermediate gear shaft is connected with the frame, as shown in fig. 11;
step seven: and taking down all the mounting tools and the lifting tools, screwing in the rest bolts and screwing down all the bolts to complete the mounting work of the intermediate gear shaft, as shown in fig. 12.
The removal of the intermediate gear shaft is contrary to this, but slightly different, and the intermediate gear shaft is first pushed out a distance with two bolts before the removal tool is installed, see fig. 13, in order to have a space for the installation tool.
The tool use process shown above is only a part of implementation examples, in actual production, manufacture and application, a precise adjustment scheme of a central axis can be added, and the size and the installation position of the current scheme are changed according to the specific structures of different diesel engine T-shaped shafts, so that corresponding changes are made in structural aspects.

Claims (10)

1. A T-shaped shaft dismounting tool is characterized in that: the device comprises a fixed bracket, a part clamping device and a sliding bracket, wherein the fixed bracket is fixedly arranged on a diesel engine frame and is used for supporting the intermediate gear shaft, the sliding bracket and the part clamping device when the intermediate gear shaft is disassembled and assembled; two sides of the sliding bracket are connected with the fixed bracket through idler wheels and are used for supporting the part clamping device and the intermediate gear shaft, and the intermediate gear shaft is arranged in the mounting hole; the part clamping device is connected with the intermediate gear shaft through the supporting arm and is used for supporting and overturning the intermediate gear shaft.
2. The T-axis dismounting tool as claimed in claim 1, wherein: the fixed support is mounted on the frame through support fixing bolts.
3. The T-axis dismounting tool as claimed in claim 1, wherein: the inner side of the fixed support is provided with a guide rail which is connected with the idler wheels of the sliding bracket in a matched mode.
4. The T-axis dismounting tool as claimed in claim 1, wherein: the top of the fixed support is fixedly connected with the baffle through bolts.
5. The T-axis dismounting tool as claimed in claim 1, wherein: the sliding bracket comprises a sliding main body, a pressing rod, a rear protection liner, a front protection liner and rollers, wherein two rollers are respectively arranged on two sides of the sliding main body, and the pressing rod, the rear protection liner and the front protection liner are respectively arranged at the lower ends of two sides of the sliding main body.
6. The T-axis dismounting tool as claimed in claim 5, wherein: the compression bar, the rear protection liner and the front protection liner are positioned at two ends of one side of the sliding main body.
7. The T-axis dismounting tool as claimed in claim 5, wherein: the compression bar is detachably connected with the sliding main body through the connecting pin and the nut.
8. The T-axis dismounting tool as claimed in claim 5, wherein: the roller is fixedly connected to the sliding main body through a roller pin, a gasket and a nut.
9. The T-axis dismounting tool as claimed in claim 1, wherein: the part clamping device comprises a bottom plate and a supporting arm, one end of the supporting arm is connected with the bottom plate through a bolt, and a pair of protruding pins are arranged on the outer side of the supporting arm.
10. The application method of the T-shaped shaft dismounting tool is used for dismounting the intermediate gear shaft and the diesel engine rack and is characterized in that: when the device is installed, firstly, a fixed bracket is installed on a rack through bolts, rollers on two sides of a sliding bracket are led into guide rails on the fixed bracket, a baffle plate and bolts of the fixed bracket are fastened well to prevent the rollers from sliding out, then a middle gear shaft to be installed is lifted up and is placed on a front protection bush on one side of the sliding bracket, which is close to the rack, through a pair of protruding pins on the outer side of a part clamping device, a pair of connecting pins and nuts on the sliding bracket, which are close to the pressing rods, are loosened and taken down, the pair of pressing rods are outwards rotated by 10 degrees respectively, a lifting appliance is loosened but not taken down, a supporting arm of the part clamping device is moved, the part clamping device and the part clamping device are rotated around the axial lead of the front protection bush until the tail end center of the middle gear shaft is slightly higher than the horizontal plane position of the center of the mounting hole, the pair of pressing rods are horizontally inwards rotated to the original position and are pressed on the other pair of protruding pins of the supporting arm, and the bolts and the nuts of the sliding bracket are installed back to the sliding bracket and are screwed down; the axial position of the intermediate gear shaft is adjusted to enable the central line of the intermediate gear shaft to be aligned with the central line of the mounting hole, then the sliding bracket is pushed to enable the intermediate gear shaft to be slowly installed in the mounting hole, a plurality of bolts are screwed on, the flange of the intermediate gear shaft is connected with the frame, finally, all the mounting tools and the lifting tools are taken down, the rest bolts are screwed in, and all the bolts are screwed in, so that the mounting work of the intermediate gear shaft is completed; when the middle gear shaft is disassembled and assembled, the disassembly process of the middle gear shaft is opposite to the assembly process, but before the T-shaped shaft disassembly tool is assembled, the middle gear shaft is ejected out by a certain distance by two bolts so as to have a space assembly tool.
CN202311313830.5A 2023-10-10 2023-10-10 T-shaped shaft dismounting tool and use method Pending CN117359255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311313830.5A CN117359255A (en) 2023-10-10 2023-10-10 T-shaped shaft dismounting tool and use method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311313830.5A CN117359255A (en) 2023-10-10 2023-10-10 T-shaped shaft dismounting tool and use method

Publications (1)

Publication Number Publication Date
CN117359255A true CN117359255A (en) 2024-01-09

Family

ID=89395752

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311313830.5A Pending CN117359255A (en) 2023-10-10 2023-10-10 T-shaped shaft dismounting tool and use method

Country Status (1)

Country Link
CN (1) CN117359255A (en)

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