CN110253261B - Disc part pulling and unloading device - Google Patents
Disc part pulling and unloading device Download PDFInfo
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- CN110253261B CN110253261B CN201910571381.1A CN201910571381A CN110253261B CN 110253261 B CN110253261 B CN 110253261B CN 201910571381 A CN201910571381 A CN 201910571381A CN 110253261 B CN110253261 B CN 110253261B
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- disc
- pull rod
- disassembled
- shaft
- pulling
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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
- B23P19/02—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 connecting objects by press fit or for detaching same
- B23P19/027—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 connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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Abstract
The invention discloses a device for pulling and unloading disc parts, which comprises: and the protective box is detachably connected with the operating platform and is used for accommodating the disc to be decomposed and the basic chassis which are assembled into a whole. The pulling and unloading device further comprises a pull rod shaft vertically penetrating through the protective box, the lower end of the pull rod shaft penetrates through the shaft holes of the to-be-decomposed disc and the base chassis and is detachably connected with the base chassis, or the lower end of the pull rod shaft penetrates through the shaft holes of the to-be-decomposed disc and the base chassis in sequence and then is detachably connected with the protective box, and the upper end of the pull rod shaft vertically penetrates out of the protective box. The pulling and unloading device further comprises a driving pump and a pulling and unloading barrel which are sequentially sleeved on the outer circle of the upper end of the pull rod shaft, the pulling and unloading barrel is located below the driving pump and connected with the driving pump, the lower end of the pulling and unloading barrel is inwardly retracted to penetrate through the shaft hole of the disc to be disassembled and then outwardly opened to reversely and tightly hook the inner end face of the disc to be disassembled, and the driving pump is used for supplying upward tensile force to the pulling and unloading barrel along the axial direction to disassemble the disc to be disassembled from the base chassis.
Description
Technical Field
The invention relates to the field of aero-engines, in particular to a device for pulling and unloading disc parts.
Background
The rotor assembly of some type of engine consists of a rotor and a spoiler that are assembled together by an interference fit in the axial direction. When the spoiler in the rotor assembly is decomposed, the puller is directly used on the working table top for decomposition, when the spoiler is decomposed, the ejector block of the puller presses one end face in the rotor, and the hydraulic pump slowly jacks up the clamping jaws to further separate the spoiler from the rotor. Because the puller and the working table are not fixed and the rotor does not take any protective measures during pulling and unloading, the whole pulling and unloading device falls down after jumping upwards due to inertia at the moment that the spoiler and the rotor are separated during pulling and unloading and the weight of the puller is heavy, thereby damaging rotor blades and further causing part scrap.
Disclosure of Invention
The invention provides a device for pulling and unloading disc parts, which aims to solve the technical problem that the existing puller is easy to damage parts to be pulled and unloaded.
The technical scheme adopted by the invention is as follows:
a disk part pulling and unloading device is used for disassembling a disk to be disassembled and a basic chassis which are assembled into a whole in an axial interference fit mode, and comprises: the protective box is detachably connected with the operating platform and is used for accommodating the disc to be decomposed and the base chassis which are assembled into a whole so as to prevent the disc to be decomposed and the base chassis from being damaged by the pulling device in the process of decomposing the disc to be decomposed and the base chassis; the lower end of the pull rod shaft penetrates through the shaft holes of the disc to be decomposed and the base chassis in sequence and then is detachably connected with the protective box, and the upper end of the pull rod shaft penetrates through the protective box vertically and upwards; the lower end of the pulling-unloading cylinder is retracted inwards, penetrates through a shaft hole of the disc to be disassembled, then is expanded outwards to reversely and tightly hook the inner end face of the disc to be disassembled, and the driving pump is used for supplying upward axial tension to the pulling-unloading cylinder so as to disassemble the disc to be disassembled from the base chassis.
Furthermore, the pulling and unloading cylinder comprises an installation cylinder sleeved on the excircle of the pull rod shaft in a sliding manner, and a threaded sleeve, a pressing sleeve and a clamping jaw cylinder which are sequentially arranged on the excircle of the installation cylinder along the axial direction of the installation cylinder; two ends of the screw sleeve are respectively detachably connected with the driving pump and the mounting cylinder; the jaw cylinder is detachably connected with the lower end of the mounting cylinder, and the lower end of the jaw cylinder is used for being retracted inwards to penetrate through the shaft hole of the disc to be decomposed and then being opened outwards to reversely and tightly hook the inner end face of the disc to be decomposed; the pressing sleeve is positioned between the threaded sleeve and the jaw cylinder and used for locking the jaw cylinder under the action of the pressing sleeve so as to prevent the lower end of the jaw cylinder from being drawn back inwards or stretched outwards.
Furthermore, a plurality of axially-through mounting through holes are sequentially arranged on the circumference of the mounting cylinder at intervals; the clamping jaw barrel comprises a plurality of clamping jaws arranged corresponding to the installation through holes, the upper end of each clamping jaw penetrates through the corresponding installation through hole, the clamping jaws are hinged with the installation barrel through connecting pins penetrating through the clamping jaws and the corresponding installation through holes, so that the clamping jaws rotate towards the direction close to or far away from the pull rod shaft, and the lower ends of the clamping jaws are provided with clamping hooks used for reversely and tightly hooking the inner end face of the disk to be disassembled.
Furthermore, the outer circular surface at the upper end of the clamping jaw cylinder is a conical outer conical surface; the pressing sleeve is horn-shaped, the upper end of the reducing opening of the pressing sleeve is abutted against the lower end of the screw sleeve, the lower end of the expanding opening of the pressing sleeve faces the clamping jaw cylinder, and the inner circular surface at the lower end of the expanding opening of the pressing sleeve is an inner conical surface matched with the outer conical surface of the clamping jaw cylinder.
Furthermore, the driving pump is a hydraulic pump, the hydraulic pump comprises a cylindrical mounting shaft cylinder and a valve core rod arranged in the mounting shaft cylinder, and an external thread is processed on the excircle of the mounting shaft cylinder; the pull rod shaft is in threaded connection with the valve core rod; the upper end of the threaded sleeve is in threaded connection with the outer circular surface of the mounting shaft cylinder, and the lower end of the threaded sleeve is in threaded connection with the outer circular surface of the upper end of the mounting cylinder.
Furthermore, the protective box comprises a protective seat detachably connected with the operating platform, and the upper end of the protective seat is concave inwards to form an accommodating cavity for accommodating the integrated disc to be decomposed and the basic chassis; the upper end of the protective seat is detachably connected with a pressing plate which is used for preventing the disc to be decomposed and the base chassis which are contained in the containing cavity from being taken out of the containing cavity under the action of pulling and unloading; the lower end of the pull rod shaft penetrates through the pressing plate and then extends into the shaft holes of the disc to be disassembled and the base chassis.
Furthermore, the pressing plate is provided with a plurality of mounting holes which are sequentially arranged at intervals along the circumferential direction and are communicated with each other, and a plurality of quick-release holes which are respectively communicated with the mounting holes and penetrate through the pressing plate, wherein the plurality of quick-release holes are positioned on the same side of the plurality of mounting holes which are correspondingly connected; the pressure plate is detachably connected with the protective seat through locking bolts penetrating through the mounting holes and the protective seat; the diameter of the quick-release hole is larger than the outer diameter of the locking bolt correspondingly connected, and the pressing plate is rotated to enable the quick-release hole to be over against the locking bolt and penetrate out of the locking bolt so as to achieve quick assembly and disassembly of the pressing plate.
Further, be equipped with towards its central convex inner flange in the shaft hole of basic chassis, pull out the device and still include the connecting elements who is used for linking to each other lower extreme and inner flange of pull rod axle, connecting elements includes: the lower end of the pull rod shaft is arranged in the shaft hole of the inner flange in a penetrating way, the outer end surface of the pull rod shaft is propped against the upper end surface of the inner flange, and the lower end of the pull rod shaft is connected in the shaft hole of the press block in a threaded way; the lower end face of the pressing block is detachably connected with a plurality of jacking sliding blocks through connecting screws, and the jacking sliding blocks are used for jacking with the lower end face of the inner flange to prevent the pull rod shaft from being taken out of the protective box by the pulling-out barrel.
Furthermore, a plurality of inwards concave sliding grooves for accommodating the abutting sliding blocks are formed in the lower end surface of the pressing block, and the abutting sliding blocks are respectively arranged in the corresponding sliding grooves in a sliding manner; each abutting sliding block is provided with a waist-shaped hole penetrating through the abutting sliding block, and the connecting screws penetrate through the waist-shaped holes, so that the positions of the abutting sliding blocks relative to the pressing block can be quickly adjusted after the connecting screws are unscrewed, and the connecting members can be quickly assembled and disassembled.
Furthermore, a first plastic gasket for protecting the base chassis is arranged at the position, abutted against the lower end face of the base chassis, of the bottom plate of the protection seat; and a second plastic gasket for protecting the disc to be decomposed is arranged at the abutting position of the lower surface of the pressing plate and the upper end surface of the disc to be decomposed, and the second plastic gasket is bonded on the lower surface of the pressing plate through an adhesive.
The invention has the following beneficial effects:
after the pulling and unloading device is assembled, the protective box is fixed with the operating platform, the disk to be decomposed and the base chassis which are assembled into a whole are accommodated in the protective box, the disk to be decomposed is fixed with the protective box, the lower end of the pull rod shaft penetrates through the shaft holes of the disk to be decomposed and the base chassis and is fixed with the base chassis, or the lower end of the pull rod shaft penetrates through the shaft holes of the disk to be decomposed and the base chassis in sequence and is fixed with the protective box, the upper end of the pull rod shaft vertically penetrates out of the protective box upwards, the driving pump and the pulling and unloading cylinder are arranged on the excircle at the upper end of the pull rod shaft, and the lower end of the pulling and unloading cylinder penetrates through the shaft hole of the disk to be decomposed and is reversely and tightly hooked with the inner end surface of the disk to be decomposed, so that when the pulling and unloading device works, the driving pump supplies upward pulling force to the pulling and unloading cylinder, the disk to be decomposed is axially pulled upwards by, therefore, at the moment when the disc to be disassembled is separated from the base chassis, the whole pulling and unloading device cannot jump upwards and fall down due to inertia and self weight, the disc to be disassembled and the base chassis cannot be crushed, the pulling and unloading operation is simple, and the pulling and unloading are stable and reliable.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the spatial structure of a disk part removing device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional front view of the structure of FIG. 1;
fig. 3 is a schematic view of the spatial structure of the platen of fig. 1.
Description of the figures
10. A disc to be disassembled; 20. a base chassis; 201. an inner flange; 30. an operation table; 40. a protective box; 41. a protective seat; 42. pressing a plate; 421. quickly detaching the hole; 43. locking the bolt; 44. a first plastic washer; 45. a second plastic washer; 50. a pull rod shaft; 60. driving the pump; 70. pulling out the cylinder; 71. mounting the cylinder; 72. a threaded sleeve; 73. pressing the sleeve; 74. a jaw cylinder; 741. a claw; 742. a connecting pin; 80. a connecting member; 81. briquetting; 82. a connecting screw; 83. against the slide block.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
Referring to fig. 1, a preferred embodiment of the present invention provides a disk part disassembling device for disassembling a disk to be disassembled 10 and a base chassis 20 which are assembled integrally by interference fit in an axial direction, the disassembling device comprising: the protective box 40 is detachably connected with the operation table 30, and the protective box 40 is used for accommodating the disk to be disassembled 10 and the base chassis 20 which are assembled into a whole so as to prevent the disk to be disassembled 10 and the base chassis 20 from being damaged by a pulling device in the process of disassembling the disk to be disassembled 10 and the base chassis 20. The pulling and disassembling device further comprises a pull rod shaft 50 vertically penetrating through the protective box 40, the lower end of the pull rod shaft 50 penetrates through the shaft holes of the to-be-disassembled disc 10 and the basic chassis 20 and is detachably connected with the basic chassis 20, or the lower end of the pull rod shaft 50 penetrates through the shaft holes of the to-be-disassembled disc 10 and the basic chassis 20 in sequence and is detachably connected with the protective box 40, and the upper end of the pull rod shaft 50 vertically penetrates through the protective box 40 upwards. The pulling and unloading device further comprises a driving pump 60 and a pulling and unloading cylinder 70 which are sequentially sleeved on the excircle of the upper end of the pull rod shaft 50, the pulling and unloading cylinder 70 is positioned below the driving pump 60 and connected with the driving pump 60, the lower end of the pulling and unloading cylinder 70 is inwards retracted to penetrate through the shaft hole of the disk to be disassembled 10 and then outwards opened to reversely and tightly hook the inner end face of the disk to be disassembled 10, and the driving pump 60 is used for supplying upward tensile force to the pulling and unloading cylinder 70 along the axial direction so as to disassemble the disk to be disassembled 10 and the base chassis 20.
After the disassembling device of the invention is assembled, the protective box 40 is fixed with the operating platform 30, the disk to be disassembled 10 and the base chassis 20 which are assembled into a whole are accommodated in the protective box 40, the disk to be disassembled 10 and the base chassis 20 are fixed with the protective box 40, the lower end of the pull rod shaft 50 is arranged in the shaft holes of the disk to be disassembled 10 and the base chassis 20 and is fixed with the base chassis 20, or the lower end of the pull rod shaft 50 is fixed with the protective box 40 after sequentially penetrating out of the shaft holes of the disk to be disassembled 10 and the base chassis 20, the upper end of the pull rod shaft 50 vertically penetrates out of the protective box 40, the driving pump 60 and the disassembling cylinder 70 are arranged on the excircle at the upper end of the pull rod shaft 50, and the lower end of the disassembling cylinder 70 penetrates through the shaft hole of the disk to be disassembled 10 and then reversely and tightly hooks the inner end surface of the disk to be disassembled 10, therefore, when the disassembling device of the invention works, the driving pump 60 supplies the pulling cylinder 70, the base chassis 20 is fixed with the protective box 40, and the lower end of the pull rod shaft 50 is fixed with the base chassis 20 or the protective box 40, so that at the moment when the disk to be disassembled 10 is separated from the base chassis 20, the whole pulling and unloading device cannot jump upwards and fall down due to inertia and self-weight, the disk to be disassembled 10 and the base chassis 20 cannot be crushed, the pulling and unloading operation is simple, and the pulling and unloading are stable and reliable.
Alternatively, as shown in fig. 2, the pulling-off cylinder 70 includes a mounting cylinder 71 slidably fitted on the outer circumference of the pull rod shaft 50, and a threaded sleeve 72, a pressing sleeve 73 and a jaw cylinder 74 sequentially fitted on the outer circumference of the mounting cylinder 71 along the axial direction of the mounting cylinder 71. Two ends of the screw sleeve 72 are respectively detachably connected with the driving pump 60 and the installation cylinder 71. Specifically, an external thread is processed on the outer circle of the driving pump 60, and an external thread is processed on the outer circle of the upper end of the mounting cylinder 71; the screw sleeve 72 is a sleeve which is through along the axial direction, an internal thread is processed in the shaft hole of the screw sleeve 72, the upper end of the screw sleeve 72 is detachably connected with the driving pump 60 through the internal thread and an external thread on the excircle of the driving pump 60, and the lower end of the screw sleeve 72 is detachably connected with the installation cylinder 71 through the internal thread and an external thread on the excircle of the upper end of the installation cylinder 71. The jaw cylinder 74 is detachably connected with the lower end of the mounting cylinder 71, and the lower end of the jaw cylinder 74 is used for being retracted inwards to penetrate through the shaft hole of the disc to be disassembled 10 and then being opened outwards to reversely and tightly hook the inner end face of the disc to be disassembled 10. The pressing sleeve 73 is positioned between the screw sleeve 72 and the jaw cylinder 74, and is used for locking the jaw cylinder 74 under the action of the pressing sleeve 73 to prevent the lower end of the jaw cylinder 74 from being drawn inwards or expanded outwards.
In the alternative embodiment, as shown in fig. 2, a plurality of axially penetrating mounting through holes are sequentially formed on the circumference of the mounting cylinder 71 at intervals. Further, the mounting tube 71 includes a sleeve portion having a shaft tube shape and a mounting protrusion provided on an outer circumference of a lower end of the sleeve portion, and a plurality of mounting through holes are provided on the mounting protrusion at intervals in order and penetrate the mounting protrusion in an axial direction. The jaw cylinder 74 includes a plurality of jaws 741 disposed corresponding to the respective mounting through holes, an upper end of each jaw 741 penetrates through the corresponding mounting through hole, the jaws 741 are hinged to the mounting cylinder 71 by a connecting pin 742 penetrating through the jaws 741 and the corresponding mounting through holes, so that the jaws 741 rotate in a direction approaching or separating from the pull rod shaft 50, and a lower end of each jaw 741 is provided with a hook for reversely and tightly hooking an inner end surface of the disk to be disassembled 10. Preferably, the diameter of the installation through hole is larger than the outer diameter of the jaw 741 installed correspondingly, so that the jaw 741 rotates toward or away from the lever shaft 50 by an external force. Since each of the claws 741 can rotate in a direction approaching or departing from the pull rod shaft 50, the lower end of the claw cylinder 74 can be folded inward by applying a force so as to pass through the shaft hole of the to-be-disassembled disk 10, or the lower end of the claw cylinder 74 can be opened outward by applying a force so as to reversely and tightly hook the inner end surface of the to-be-disassembled disk 10, and this structural arrangement of the claw cylinder 74 makes the claw cylinder 74 simple in structure and convenient and fast to operate.
In this alternative embodiment, as shown in fig. 2, the outer circular surface of the upper end of the jaw cylinder 74 is a tapered outer conical surface. The pressing sleeve 73 is in a horn shape, the upper end of the reducing opening of the pressing sleeve 73 is abutted against the lower end of the screw sleeve 72, the lower end of the expanding opening of the pressing sleeve 73 faces the jaw cylinder 74, and the inner circular surface of the lower end of the expanding opening of the pressing sleeve 73 is an inner conical surface matched with the outer conical surface of the jaw cylinder 74. The pressing sleeve 73 is pressed downward by rotating the threaded sleeve 72, so that the pressing sleeve 73 presses the jaw cylinder 74 through the engagement of the inner tapered surface of the flared lower end of the pressing sleeve 73 and the outer tapered surface of the upper end of the jaw cylinder 74, thereby locking the jaw cylinder 74 to prevent the jaw 741 from rotating about the connecting pin 742.
Alternatively, as shown in fig. 2, the driving pump 60 is a hydraulic pump, the hydraulic pump includes a cylindrical mounting shaft and a valve core rod disposed in the mounting shaft, and an external thread is processed on an outer circle of the mounting shaft. The pull rod shaft 50 is in threaded connection with the spool rod. The upper end of the threaded sleeve 72 is in threaded connection with the outer circular surface of the mounting shaft cylinder, and the lower end of the threaded sleeve 72 is in threaded connection with the outer circular surface of the upper end of the mounting cylinder 71.
Alternatively, as shown in fig. 2, the protection box 40 includes a protection seat 41 detachably connected to the operation table 30, and an upper end of the protection seat 41 is recessed to form a receiving cavity for receiving the assembled tray 10 to be disassembled and the base chassis 20. The upper end of the protective seat 41 is detachably connected with a pressing plate 42, and the pressing plate 42 is used for preventing the disc to be disassembled 10 and the base chassis 20 which are accommodated in the accommodating cavity from being taken out of the accommodating cavity under the pulling and unloading force. The lower end of the pull rod shaft 50 penetrates through the pressing plate 42 and then extends into the shaft holes of the to-be-disassembled disc 10 and the base chassis 20.
Preferably, as shown in fig. 2 and 3, the pressing plate 42 is provided with a plurality of mounting holes sequentially arranged at intervals along the circumferential direction and penetrating therethrough, and a plurality of quick-release holes 421 respectively communicating with the mounting holes and penetrating through the pressing plate 42, wherein the plurality of quick-release holes 421 are located on the same side of the plurality of correspondingly connected mounting holes. The pressing plate 42 is detachably connected to the shield base 41 by a locking bolt 43 passing through each mounting hole and the shield base 41. The diameter of the quick-release hole 421 is larger than the outer diameter of the corresponding locking bolt 43, and the quick-release hole 421 is opposite to the locking bolt 43 by rotating the pressing plate 42 and penetrates out of the locking bolt 43, so that the pressing plate 42 can be quickly assembled and disassembled. The locking bolt 43 passes through the mounting hole and the protection seat 41 to detachably connect the pressing plate 42 with the protection seat 41. When the locking bolt 43 is unscrewed, the plurality of quick-release holes 421 are located on the same side of the plurality of mounting holes correspondingly connected, and the diameter of the quick-release holes 421 is larger than the outer diameter of the locking bolt 43 correspondingly connected, so that the pressing plate 42 can be quickly taken out or put in by rotating the pressing plate 42 to enable the locking bolt 43 to be located in the quick-release holes 421 correspondingly arranged, and the quick mounting and dismounting of the pressing plate 42 are realized.
Alternatively, as shown in fig. 2, an inner flange 201 is provided in the shaft hole of the base chassis 20 and protrudes toward the center thereof, the pulling device further includes a connecting member 80 for connecting the lower end of the pull rod shaft 50 with the inner flange 201, and the connecting member 80 includes: the lower end of the pull rod shaft 50 is inserted into the shaft hole of the inner flange 201, the outer end surface of the pull rod shaft abuts against the upper end surface of the inner flange 201, and the lower end of the pull rod shaft is connected with the shaft hole of the press block 81 in a threaded mode. The lower end surface of the pressing block 81 is detachably connected with a plurality of abutting sliding blocks 83 through connecting screws 82, and the abutting sliding blocks 83 are used for abutting against the lower end surface of the inner flange 201 to prevent the pull rod shaft 50 from being taken out of the protective box 40 by the detaching cylinder 70.
In the embodiment of this alternative, as shown in fig. 2, a plurality of concave sliding grooves for accommodating the abutting sliding blocks 83 are provided on the lower end surface of the pressing block 81, and the abutting sliding blocks 83 are respectively slidably disposed in the corresponding sliding grooves. Each abutting sliding block 83 is provided with a waist-shaped hole penetrating through the abutting sliding block 83, and the connecting screw 82 penetrates through the waist-shaped hole, so that the position of the abutting sliding block 83 relative to the pressing block 81 can be quickly adjusted after each connecting screw 82 is unscrewed, and the connecting member 80 can be quickly assembled and disassembled. After the connecting screw 82 is loosened, the position of the abutting slide block 83 relative to the pressing block 81 is adjusted, so that the abutting slide block 83 does not abut against the lower end surface of the inner flange 201, and the connecting member 80 can be quickly installed into the base chassis 20 or quickly taken out of the base chassis 20.
Optionally, as shown in fig. 2, a first plastic washer 44 for protecting the base chassis 20 is disposed on the bottom plate of the protecting seat 41 in abutment with the lower end surface of the base chassis 20. A second plastic washer 45 for protecting the disc to be disassembled 10 is arranged at the position where the lower surface of the pressing plate 42 is abutted to the upper end surface of the disc to be disassembled 10, and the second plastic washer 45 is adhered to the lower surface of the pressing plate 42 through an adhesive. The first plastic washer 44 and the second plastic washer 45 are made of rubber to protect the base chassis 20 and the disk to be disassembled 10 from being damaged by direct contact between the base chassis 20 and the disk to be disassembled 10 and the protection box 40.
The assembly process when the disassembling device of the invention is adopted to disassemble the disc 10 to be disassembled and the base chassis 20 is as follows:
1. the protective seat 41 is fixedly installed on the operation table 30 by using an installation bolt and a nut, and at this time, the second plastic washer 45 is glued on the protective seat 41 by an adhesive;
2. fixing a pressing block 81 and a propping sliding block 83 on an inner flange 201 of a base chassis 20 by using a connecting screw 82, then putting the integrally assembled disc to be decomposed 10 and the base chassis 20 into a protective seat 41, wherein a first plastic washer 44 is glued on a pressing plate 42, and the pressing plate 42 and the protective seat 41 are quickly fixed by using a locking bolt 43;
3. screwing the pull rod shaft 50 into the pressing block 81 through threads, installing the clamping jaws 741 on the installation cylinder 71 through the connecting pins 742, sleeving the installation cylinder 71 into the pull rod shaft 50, hooking the clamping jaws 741 on the inner end face of the disc to be disassembled 10, sequentially installing the pressing sleeve 73, the threaded sleeve 72 and the driving pump 60, rotating the threaded sleeve 72 to enable the contact face of the threaded sleeve 72 and the pressing sleeve 73 to be attached tightly, and hooking the clamping jaws 741 on the disc to be disassembled 10 tightly;
4. the driving pump 60 is slowly pressurized to make the disk 10 to be disassembled and the base chassis 20 disassembled.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A disk part pulling and unloading device is used for disassembling a disk (10) to be disassembled and a basic chassis (20) which are assembled into a whole in an axial interference fit manner, and is characterized by comprising:
a protective box (40) detachably connected with the operating platform (30), wherein the protective box (40) is used for accommodating the disk to be disassembled (10) and the base chassis (20) which are assembled into a whole so as to prevent the disk to be disassembled (10) and the base chassis (20) from being damaged by the disassembling device in the process of disassembling the disk to be disassembled (10) and the base chassis (20);
also comprises a pull rod shaft (50) vertically penetrating the protective box (40),
the lower end of the pull rod shaft (50) is arranged in the shaft holes of the disc to be decomposed (10) and the basic chassis (20) in a penetrating way and is detachably connected with the basic chassis (20), or the lower end of the pull rod shaft (50) is connected with the protective box (40) in a detachable way after sequentially penetrating out of the shaft holes of the disc to be decomposed (10) and the basic chassis (20),
the upper end of the pull rod shaft (50) vertically penetrates out of the protective box (40) upwards;
the disassembly device is characterized by further comprising a driving pump (60) and a disassembly barrel (70) which are sequentially sleeved on the outer circle of the upper end of the pull rod shaft (50), wherein the disassembly barrel (70) is located below the driving pump (60) and connected with the driving pump (60), the lower end of the disassembly barrel (70) is inwards retracted to penetrate through the shaft hole of the disc to be disassembled (10) and then outwards opened to reversely and tightly hook the inner end face of the disc to be disassembled (10), and the driving pump (60) is used for supplying axial upward pulling force to the disassembly barrel (70) so as to disassemble the disc to be disassembled (10) and the base chassis (20).
2. A disc part removing device according to claim 1,
the pulling and unloading barrel (70) comprises an installation barrel (71) which is sleeved on the excircle of the pull rod shaft (50) in a sliding mode, and a threaded sleeve (72), a pressing sleeve (73) and a clamping jaw barrel (74) which are sequentially arranged on the excircle of the installation barrel (71) along the axial direction of the installation barrel (71);
two ends of the threaded sleeve (72) are respectively detachably connected with the driving pump (60) and the mounting cylinder (71);
the jaw cylinder (74) is detachably connected with the lower end of the mounting cylinder (71), and the lower end of the jaw cylinder (74) is used for being retracted inwards, penetrating through the shaft hole of the disc to be decomposed (10) and then being opened outwards to reversely and tightly hook the inner end face of the disc to be decomposed (10);
the pressing sleeve (73) is positioned between the threaded sleeve (72) and the jaw cylinder (74) and used for locking the jaw cylinder (74) under the action of the pressing sleeve (73) so as to prevent the lower end of the jaw cylinder (74) from being drawn inwards or expanded outwards;
the outer circular surface of the upper end of the clamping jaw cylinder (74) is a conical outer conical surface; the clamping jaw is characterized in that the pressing sleeve (73) is in a horn shape, the upper end of a reducing opening of the pressing sleeve (73) is abutted against the lower end of the threaded sleeve (72), the lower end of a expanding opening of the pressing sleeve (73) faces the clamping jaw cylinder (74), and an inner circular surface at the lower end of the expanding opening of the pressing sleeve (73) is an inner conical surface matched with an outer conical surface of the clamping jaw cylinder (74).
3. The device for pulling and removing disc-like parts according to claim 2,
a plurality of axially-through mounting through holes are sequentially arranged on the circumference of the mounting cylinder (71) at intervals;
the clamping jaw cylinder (74) comprises a plurality of clamping jaws (741) which are arranged corresponding to the installation through holes, the upper end of each clamping jaw (741) penetrates through the corresponding installation through hole, the clamping jaws (741) are hinged to the installation cylinder (71) through connecting pins (742) which penetrate through the clamping jaws (741) and the corresponding installation through holes, so that the clamping jaws (741) rotate towards the direction close to or far away from the pull rod shaft (50), and the lower end of each clamping jaw (741) is provided with a clamping hook which is used for reversely and tightly hooking the inner end face of the disc to be disassembled (10).
4. A disc part removing device according to claim 3,
the driving pump (60) is a hydraulic pump, the hydraulic pump comprises a cylindrical mounting shaft cylinder and a valve core rod arranged in the mounting shaft cylinder, and an external thread is processed on the excircle of the mounting shaft cylinder;
the pull rod shaft (50) is in threaded connection with the valve core rod;
the upper end of the threaded sleeve (72) is in threaded connection with the outer circular surface of the mounting shaft cylinder, and the lower end of the threaded sleeve (72) is in threaded connection with the outer circular surface of the upper end of the mounting cylinder (71).
5. A disc part removing device according to claim 1,
the protective box (40) comprises a protective seat (41) detachably connected with the operating platform (30), and the upper end of the protective seat (41) is concave inwards to form an accommodating cavity for accommodating the disc to be decomposed (10) and the base chassis (20) which are assembled into a whole;
the upper end of the protective seat (41) is detachably connected with a pressing plate (42), and the pressing plate (42) is used for preventing the disc to be disassembled (10) and the base chassis (20) which are accommodated in the accommodating cavity from being taken out of the accommodating cavity under the action of pulling and unloading;
the lower end of the pull rod shaft (50) penetrates through the pressing plate (42) and then extends into the shaft holes of the disc to be disassembled (10) and the base chassis (20).
6. A disc part removing device according to claim 5,
the pressing plate (42) is provided with a plurality of mounting holes which are sequentially arranged at intervals along the circumferential direction and are communicated with each other, and a plurality of quick-release holes (421) which are respectively communicated with the mounting holes and penetrate through the pressing plate (42), wherein the quick-release holes (421) are positioned on the same side of the plurality of correspondingly connected mounting holes;
the pressure plate (42) is detachably connected with the protective seat (41) through locking bolts (43) penetrating through the mounting holes and the protective seat (41);
the diameter of the quick-release hole (421) is larger than the outer diameter of the locking bolt (43) which is correspondingly connected, and the pressing plate (42) is rotated to enable the quick-release hole (421) to be opposite to the locking bolt (43) and then penetrate out to realize the quick assembly and disassembly of the pressing plate (42).
7. A disc part removing device according to claim 5,
an inner flange (201) protruding towards the center of the base chassis (20) is arranged in the shaft hole, the pulling and unloading device further comprises a connecting member (80) used for connecting the lower end of the pull rod shaft (50) with the inner flange (201), and the connecting member (80) comprises:
the lower end of the pull rod shaft (50) is arranged in the shaft hole of the inner flange (201) in a penetrating mode, the outer end face of the pull rod shaft abuts against the upper end face of the inner flange (201), and the lower end of the pull rod shaft is connected into the shaft hole of the press block (81) in a threaded mode;
the lower end face of the pressing block (81) is detachably connected with a plurality of abutting sliding blocks (83) through connecting screws (82), and the abutting sliding blocks (83) are used for abutting against the lower end face of the inner flange (201) to prevent the pull rod shaft (50) from being taken out of the protective box (40) by the pulling and unloading barrel (70).
8. A disc part removing device according to claim 7,
a plurality of inwards concave sliding grooves used for accommodating the propping sliding blocks (83) are formed in the lower end surface of the pressing block (81), and the propping sliding blocks (83) are respectively arranged in the corresponding sliding grooves in a sliding manner;
waist-shaped holes penetrating through the abutting sliding blocks (83) are formed in the abutting sliding blocks (83), and the connecting screws (82) penetrate through the waist-shaped holes, so that the positions of the abutting sliding blocks (83) relative to the pressing block (81) can be quickly adjusted after the connecting screws (82) are unscrewed, and the connecting members (80) can be quickly assembled and disassembled.
9. A disc part removing device according to claim 5,
a first plastic gasket (44) for protecting the base chassis (20) is arranged at the position, abutted against the lower end face of the base chassis (20), of the bottom plate of the protecting seat (41);
and a second plastic gasket (45) for protecting the disc to be decomposed (10) is arranged at the abutting position of the lower surface of the pressing plate (42) and the upper end surface of the disc to be decomposed (10), and the second plastic gasket (45) is bonded on the lower surface of the pressing plate (42) through an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571381.1A CN110253261B (en) | 2019-06-28 | 2019-06-28 | Disc part pulling and unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571381.1A CN110253261B (en) | 2019-06-28 | 2019-06-28 | Disc part pulling and unloading device |
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| CN110253261A CN110253261A (en) | 2019-09-20 |
| CN110253261B true CN110253261B (en) | 2020-11-06 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112705939B (en) * | 2019-10-25 | 2022-01-28 | 中国航发商用航空发动机有限责任公司 | Mounting and dismounting tool and method for assembling aircraft engine assembly |
| CN112228159A (en) * | 2020-08-31 | 2021-01-15 | 中国航发南方工业有限公司 | Safety structure of locking ring |
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