CN115609283A - Heavy chain dismounting device and dismounting method - Google Patents

Heavy chain dismounting device and dismounting method Download PDF

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Publication number
CN115609283A
CN115609283A CN202211628963.7A CN202211628963A CN115609283A CN 115609283 A CN115609283 A CN 115609283A CN 202211628963 A CN202211628963 A CN 202211628963A CN 115609283 A CN115609283 A CN 115609283A
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China
Prior art keywords
shaft
pin shaft
press machine
plate
pin
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CN202211628963.7A
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Chinese (zh)
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CN115609283B (en
Inventor
刘振栋
汪南林
王立功
梁龙平
周景全
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Langfang Xinshidai Chain Conveying Equipment Co ltd
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Langfang Xinshidai Chain Conveying Equipment Co ltd
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Priority to CN202211628963.7A priority Critical patent/CN115609283B/en
Publication of CN115609283A publication Critical patent/CN115609283A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
    • B23P21/002Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units stationary whilst being composed
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/56Reuse, recycling or recovery technologies of vehicles

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

Abstract

The invention discloses a heavy chain dismounting device and a dismounting method, which comprises a mounting frame, wherein a chain to be dismounted is placed in the mounting frame, a press machine is arranged outside the mounting frame and at a position corresponding to the chain to be dismounted, an output shaft of the press machine and a pin shaft to be dismounted of the chain to be dismounted are concentrically arranged, and an auxiliary tool is also arranged between the output shaft of the press machine and the pin shaft to be dismounted; the oil cylinder of the press machine is connected with the pressure release valve, and the hydraulic pump of the press machine is electrically connected with the inching switch. According to the heavy chain dismounting device and the dismounting method adopting the structure, the pin shafts are alternatively pressed in or pressed out through the point-drive driving press, the impact is smaller, two pin shafts on the same chain plate can be kept basically parallel in the operation process, the chain plate is prevented from being subjected to bending stress, and therefore the chain is prevented from being damaged in the dismounting process.

Description

Heavy chain dismounting device and dismounting method
Technical Field
The invention relates to a heavy chain dismounting technology, in particular to a heavy chain dismounting device and a dismounting method.
Background
In the mechanical field, power transmission by means of a chain is generally required. With increasing demands on the bearing capacity, the use of large (heavy) chains is becoming more common.
In order to facilitate transportation of the existing heavy chain, a manufacturer generally transports the chain plates and the pin shafts separately, and then assembles the chain plates and the pin shafts on site. And generally adopt the hammer to strike the round pin axle by the manual work and assemble, this kind of assembly methods has following shortcoming:
1. the hands of workers can be easily knocked carelessly, so that the potential safety hazard is large; 2. a plurality of assembly points are needed on one group of chains, so that the labor intensity is high, and the assembly efficiency is low; 3. a large operating space is required, i.e., the assembly is limited by the operating space.
In order to solve the problems, for example, CN201320775389.8 discloses a novel chain dismounting device in the market, which discloses that a pin shaft is pressed and moved through a hydraulic pump for dismounting, and the pin shaft is pressed or ejected once, so that the problem that the chain is damaged easily due to overlarge impact force exists.
Disclosure of Invention
In order to solve the problems, the invention provides a heavy chain dismounting device and a dismounting method, which are characterized in that a point-driven pressure machine is used for alternately pressing in or pressing out pin shafts, the impact is smaller, two pin shafts on the same chain plate can be kept basically parallel in the operation process, the chain plate is prevented from being subjected to bending stress, and the chain is prevented from being damaged in the dismounting process.
In order to achieve the purpose, the invention provides a heavy chain dismounting device which comprises an installation frame, wherein a chain to be dismounted is placed in the installation frame, a press machine is arranged outside the installation frame and at a position corresponding to the chain to be dismounted, an output shaft of the press machine and a pin shaft to be dismounted of the chain to be dismounted are concentrically arranged, and an auxiliary tool is also arranged between the output shaft of the press machine and the pin shaft to be dismounted;
the oil cylinder of the press machine is connected with the pressure release valve, and the hydraulic pump of the press machine is electrically connected with the inching switch.
Preferably, the auxiliary tool comprises an auxiliary mounting tool and an auxiliary dismounting tool, and both the auxiliary mounting tool and the auxiliary dismounting tool can be detachably arranged on the outer side of the mounting frame.
Preferably, a pin shaft hole is formed in one end, opposite to the output shaft of the press machine, of the mounting frame, and the pin shaft hole is used for inserting the threaded end of the pin shaft to be disassembled and assembled into the pin shaft hole when the pin shaft to be disassembled and assembled and the outer chain plate are assembled;
the shaft cap end of the pin shaft to be disassembled penetrates through the outer chain plate and then is aligned with the output shaft of the press machine;
the auxiliary mounting tool comprises a long shaft pressing rod concentrically arranged between the shaft cap end and the output shaft of the press machine, and is used for transmitting the driving force of the press machine to the shaft cap end to enable the shaft cap end to move towards the direction close to the outer chain plate until the shaft cap end is attached to the outer chain plate.
Preferably, the auxiliary mounting tool further comprises a pressing plate assembly used for assembling another outer chain plate after the inner chain plate is inserted into the pin shaft to be disassembled and assembled, the pressing plate assembly comprises a pressing ring and a fixing plate, one side of the pressing ring is provided with an accommodating groove used for accommodating the threaded end of the pin shaft to be disassembled, and a movement allowance is reserved between the accommodating groove and the threaded end of the pin shaft to be disassembled;
the end face of one side of the compression ring, provided with the accommodating groove, is attached to the other outer chain plate.
A fixing plate is welded on the other side of the compression ring and is in contact with an output shaft of the press machine;
the fixed plate is also fixedly connected with the handheld rod.
Preferably, the auxiliary installation tool further comprises a stopper assembly for stopping the pin shaft hole when the other outer link plate is assembled, the stopper assembly comprises an insertion cylindrical portion inserted into the pin shaft hole and a blocking cylindrical portion having one side integrally formed with the insertion cylindrical portion, and the other side of the blocking cylindrical portion is attached to the shaft cap end.
Preferably, the auxiliary disassembling tool comprises a pressing shaft short rod arranged between the threaded end of the pin shaft to be disassembled and the output shaft of the press machine, and the diameter of the pressing shaft short rod is smaller than that of the pin shaft to be disassembled.
Preferably, one side of the press machine, far away from the mounting frame, is fixed with a plurality of positioning rings, and the positioning rings are used for positioning the short pressing shaft rod, the long pressing shaft rod and the handheld rod respectively.
Preferably, the pressing shaft short rod, the pressing shaft long rod, the stop block assembly and the pressing plate assembly are connected with the mounting frame through hooks.
Preferably, the mounting bracket includes through the ring flange be fixed with the first connecting plate of press, with first connecting plate sets up relatively and has seted up the second connecting plate in round pin shaft hole and through bolted connection in first connecting plate with stand between the second connecting plate.
A heavy chain dismounting method comprises an installation step and a dismounting step;
wherein, the installation step specifically includes the following steps:
s1, assembling the outer chain plate at the end of the shaft cap
Firstly, inserting two pin shafts into mounting holes at two ends of an outer chain plate respectively, and reserving allowance between a shaft cap of each pin shaft and the outer chain plate; then, the outer chain plate with the pin shaft is arranged in the mounting frame, one pin shaft is inserted into the pin shaft hole, and the shaft cap of the pin shaft is aligned with the output shaft of the press machine; then the long pressing shaft rod is arranged between the shaft cap of the pin shaft and the output shaft of the press; then, inching to trigger the inching switch until the shaft cap is attached to the outer chain plate; then opening the pressure release valve through an inner hexagonal wrench, taking out the long rod of the pressing shaft, and repeatedly operating to install the other pin shaft on the outer chain plate;
s2, inserting the inner chain plate onto the pin shaft;
s3, assembling the outer chain plate at the threaded end
Firstly, blocking the pin shaft hole by means of a stop block assembly, and then respectively aligning two mounting holes on the other outer chain plate with the threaded ends of two pin shafts for insertion; then placing the press frame in the mounting frame, aligning one of the pin shafts with the output shaft of the press machine, and arranging the pin shafts and the output shaft of the press machine concentrically at the same time; then, the pressing plate assembly is arranged between the threaded end of the pin shaft and an output shaft of the press machine, and the threaded end of the pin shaft extends into a pressing ring of the pressing plate assembly; then the inching trigger inching switch is inching until the outer chain plate moves for a set distance; then opening the pressure release valve through an inner hexagonal wrench, taking out the pressure plate assembly, aligning the other pin shaft on the press machine, and repeating the operation; alternately operating the two pin shafts until the outer chain plate is in place;
s4, screwing the mounting nut to the threaded end of the pin shaft and performing spot welding to complete assembly;
the disassembling step specifically comprises the following steps:
h1, removing the spot welding by using a cutting tool, and then screwing off the mounting nut;
h2, dismantle the outer link joint of threaded end
Firstly, taking down a stop block assembly, placing a chain in an installation frame, aligning the threaded end of one pin shaft with an output shaft of a press machine, then placing a pressing shaft short rod between the threaded end of the pin shaft and the output shaft of the press machine, inching through an inching switch to trigger the press machine for a set time, releasing pressure through a pressure release valve after the pin shaft moves for a set distance, aligning the other pin shaft on the press machine after taking out the pressing shaft short rod, and repeating the operation; alternately operating the two pin shafts until the threaded ends of the pin shafts are separated from the outer chain plate;
h3, drawing out the inner chain plate from the threaded end of the pin shaft;
and H4, repeating the operation of the step H2, and drawing out the pin shaft from the other outer chain plate.
Therefore, the invention adopts the technical scheme to have the following beneficial effects:
1. the impact force is smaller, and the damage to the chain is smaller;
2. the stroke is small, and the required operation space is small;
3. simple structure, portable has reduced the assembly and disassembly cost.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a view of the chain layout during shaft installation of the present invention;
FIG. 3 is a schematic view of the present invention with the shaft removed;
FIG. 4 is a view of the chain layout during shaft removal of the present invention.
Wherein: 1. a press machine; 2. a pressure relief valve; 3. a flange plate; 4. an inner link plate; 5. an outer link plate; 6. a stop block assembly; 7. a pin shaft hole; 8. a second connecting plate; 9. a column; 10. a pin shaft; 11. a first connecting plate; 12. a platen assembly; 13. a jog switch; 14. and pressing the short shaft.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
FIG. 1 is a schematic view of the present invention; FIG. 2 is a view of the chain layout during shaft installation of the present invention; FIG. 3 is a schematic view of the present invention with the shaft removed; FIG. 4 is a view of the chain layout during shaft removal of the present invention. As shown in fig. 1-4, the invention comprises an installation frame, a chain to be disassembled and assembled is placed in the installation frame, a press machine 1 is arranged outside the installation frame and at a position corresponding to the chain to be disassembled and assembled, an output shaft of the press machine 1 is concentrically arranged with a pin shaft 10 to be disassembled and assembled of the chain to be disassembled and assembled, and an auxiliary tool is also arranged between the output shaft of the press machine 1 and the pin shaft 10 to be disassembled and assembled;
the oil cylinder of the press machine 1 is connected with the pressure release valve 2, and the hydraulic pump of the press machine 1 is electrically connected with the inching switch 13. The jog switch 13 is provided below the press machine 1. In the embodiment, the press machine 1 is powered to work by pressing the inching switch 13, and the reset press machine 1 is released to stop, so that inching triggering of the press machine 1 is realized. It should be noted that the structures and principles of the press 1, the inching switch 13, and the pressure relief valve 2 are all common knowledge in the art, and therefore, the detailed description thereof is omitted.
Preferably, the auxiliary tool comprises an auxiliary mounting tool and an auxiliary dismounting tool, and both the auxiliary mounting tool and the auxiliary dismounting tool can be detachably arranged on the outer side of the mounting frame.
Preferably, a pin shaft hole 7 is formed in one end, opposite to the output shaft of the press machine 1, of the mounting frame, and is used for inserting the threaded end of the pin shaft 10 to be disassembled into the pin shaft hole 7 when the pin shaft 10 to be disassembled and assembled and the outer chain plate 5 are assembled; the shaft cap end of the pin shaft 10 to be disassembled penetrates through the outer chain plate 5 and then is aligned with the output shaft of the press machine 1; the auxiliary mounting tool comprises a pressing shaft long rod concentrically arranged between a shaft cap end and an output shaft of the press machine 1, and is used for transmitting the driving force of the press machine 1 to the shaft cap end to enable the driving force to move towards the direction close to the outer chain plate 5 until the shaft cap end is attached to the outer chain plate 5. That is, when the outer link plate 5 is installed, the cap end is pushed to the outer link plate 5 by the pushing force of the long and long rod transfer press 1 under the premise that the pin shaft hole 7 is opened.
Preferably, the auxiliary mounting tool further comprises a pressing plate assembly 12 used for assembling the other outer chain plate 5 after the inner chain plate 4 is inserted into the pin shaft 10 to be disassembled and assembled, the pressing plate assembly 12 comprises a pressing ring and a fixing plate, one side of the pressing ring is provided with an accommodating groove used for accommodating the threaded end of the pin shaft 10 to be disassembled, and a movement allowance is reserved between the accommodating groove and the threaded end of the pin shaft 10 to be disassembled; the end face of one side of the compression ring, provided with the accommodating groove, is attached to the other outer chain plate 5. That is, when the outer link plate 5 is installed, the pin shaft hole 7 needs to be closed, and the pressing plate assembly 12 drives the pushing force of the press machine 1 to push the outer link plate 5 to the inner link plate 4 until the outer link plate 5 is attached.
A fixing plate is welded on the other side of the compression ring and is in contact with an output shaft of the press machine 1; the fixed plate is also fixedly connected with a handheld rod, and the handheld pressure plate assembly 12 is operated.
Preferably, the auxiliary installation tool further comprises a stopper assembly 6 for stopping the pin shaft hole 7 when the other outer link plate 5 is assembled, the stopper assembly 6 comprises an insertion cylindrical part inserted into the pin shaft hole 7 and a blocking cylindrical part with one side integrally formed with the insertion cylindrical part, and the other side of the blocking cylindrical part is attached to the end of the shaft cap, namely, the stopper assembly 6 is in a stepped circular truncated cone structure.
Preferably, the auxiliary dismounting tool comprises a pressing shaft short rod 14 arranged between the threaded end of the pin shaft 10 to be dismounted and the output shaft of the press machine 1, and the diameter of the pressing shaft short rod 14 is smaller than that of the pin shaft 10 to be dismounted, so that the pin shaft 10 can be conveniently pushed out of the outer chain plate 5.
Preferably, one side that the press 1 was kept away from to the mounting bracket is fixed with a plurality of holding rings, and a plurality of holding rings are used for fixing a position last item short rod 14, last item long rod and handheld pole respectively, are convenient for when transportation or storage, place supplementary dismouting subassembly. And the dismouting device of this embodiment can be put into the knapsack when not using, and the staff of being convenient for carries.
Preferably, the short pressing shaft rod 14, the long pressing shaft rod, the stop block assembly 6 and the pressing plate assembly 12 are connected with the mounting frame through hooks, and are placed in a whole set, so that the assemblies are not easy to lose.
Preferably, the mounting frame comprises a first connecting plate 11 fixed with the press 1 through the flange plate 3, a second connecting plate 8 arranged opposite to the first connecting plate 11 and provided with a pin shaft hole 7, and a stand column 9 connected between the first connecting plate 11 and the second connecting plate 8 through a bolt. The detachable structure is convenient for assemble the chain of hoist and mount state, when hoist and mount promptly, pulls down the back with second connecting plate 8, with main part hoist and mount to dismouting position, and arrange the chain in first connecting plate 11 and two stand 9 after the semi-surrounding structure in besieged city install second connecting plate 8 again can, widened application range.
A heavy chain dismounting method comprises an installation step and a dismounting step;
wherein, the installation step specifically includes the following steps:
s1, assembling the shaft cap end outer chain plate 5
Firstly, inserting two pin shafts 10 into mounting holes at two ends of an outer chain plate 5 respectively, and reserving allowance between a shaft cap of each pin shaft 10 and the outer chain plate 5; then, the outer chain plates 5 with the pin shafts 10 are placed in the mounting frame, one of the pin shafts 10 is inserted into the pin shaft hole 7, and the shaft cap of the pin shaft 10 is aligned with the output shaft of the press machine 1; then the long rod of the pressing shaft is arranged between the shaft cap of the pin shaft 10 and the output shaft of the press machine 1; then, inching the trigger inching switch 13 until the shaft cap is attached to the outer chain plate 5; then the pressure release valve 2 is opened through an inner hexagonal wrench, and after the long shaft pressing rod is taken out, the other pin shaft 10 is installed on the outer chain plate 5 through repeated operation;
s2, inserting the inner chain plate 4 onto the pin shaft 10;
s3, assembling the outer chain plate 5 at the threaded end
Firstly, blocking a pin shaft hole 7 by a block component 6, and then respectively aligning two mounting holes on the other outer chain plate 5 with the threaded ends of two pin shafts 10 for insertion; then placing the press frame in the mounting frame, and enabling one pin shaft 10 to be aligned with the output shaft of the press machine 1, wherein the pin shaft 10 and the output shaft of the press machine 1 are arranged concentrically at the same time; then, the pressing plate assembly 12 is arranged between the threaded end of the pin shaft 10 and the output shaft of the press machine 1, and the threaded end of the pin shaft 10 extends into the pressing ring of the pressing plate assembly 12 at the moment; then inching the trigger inching switch 13 until the outer chain plate 5 moves a set distance; then opening the pressure release valve 2 by an inner hexagonal wrench, taking out the pressure plate assembly 12, aligning the other pin shaft 10 on the press machine 1, and repeating the operation; alternately operating the two pin shafts 10 until the outer chain plate 5 is in place;
in this embodiment, the allowance after the outer link plates 5 is set to be 18mm, and the amount of advance of the sequential inching switch 13 is set to be 4mm, so in this embodiment, two pin shafts 10 are operated four times respectively, and at this time, the outer link plates 5 are in place, that is, a 2mm gap exists between the outer link plates 5 and the inner link plates 4.
S4, screwing the mounting nut to the threaded end of the pin shaft 10 and performing spot welding to complete assembly;
the disassembling step specifically comprises the following steps:
h1, removing spot welding by using a cutting tool, and then unscrewing a mounting nut;
h2, disassembling the outer chain plate 5 at the threaded end
Firstly, taking down the stop block assembly 6, placing the chain in the mounting frame, aligning the threaded end of one pin shaft 10 with the output shaft of the press machine 1, then placing the pressing shaft short rod 14 between the threaded end of the pin shaft 10 and the output shaft of the press machine 1, inching and triggering the press machine 1 for a set time by using the inching switch 13, after the pin shaft 10 moves for a set distance, relieving the pressure by using the pressure relief valve 2, aligning the other pin shaft 10 on the press machine 1 after taking out the pressing shaft short rod 14, and repeating the operation; alternately operating the two pin shafts 10 until the threaded ends of the pin shafts 10 are separated from the outer chain plate 5;
h3, drawing the inner chain plate 4 out of the threaded end of the pin shaft 10;
and H4, repeating the operation in the step H2, and extracting the pin shaft 10 from the other outer chain plate 5.
Therefore, according to the heavy chain dismounting device and the dismounting method, the pin shafts are alternatively pressed in or out through the point-drive driving press, the impact is smaller, two pin shafts on the same chain plate can be kept basically parallel in the operation process, the chain plate is prevented from being subjected to bending stress, and the chain is prevented from being damaged in the dismounting process.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a heavy chain dismouting device, includes the mounting bracket, the inside chain that remains the dismouting of placing of mounting bracket, its characterized in that: a press machine is arranged outside the mounting frame and in a position corresponding to the chain to be disassembled, an output shaft of the press machine is concentric with the pin shaft to be disassembled of the chain to be disassembled, and an auxiliary tool is arranged between the output shaft of the press machine and the pin shaft to be disassembled;
the oil cylinder of the press machine is connected with the pressure release valve, and the hydraulic pump of the press machine is electrically connected with the inching switch.
2. The heavy chain disassembling and assembling device according to claim 1, wherein: the auxiliary tool comprises an auxiliary mounting tool and an auxiliary dismounting tool, and both the auxiliary mounting tool and the auxiliary dismounting tool can be detachably arranged on the outer side of the mounting frame.
3. The heavy chain disassembling and assembling device according to claim 2, wherein: a pin shaft hole is formed in one end, opposite to the output shaft of the press machine, of the mounting frame and used for inserting the threaded end of the pin shaft to be disassembled into the pin shaft hole when the pin shaft to be disassembled and assembled and the outer chain plate are assembled;
the shaft cap end of the pin shaft to be disassembled penetrates through the outer chain plate and then is aligned with the output shaft of the press machine;
the auxiliary mounting tool comprises a long shaft pressing rod concentrically arranged between the shaft cap end and the output shaft of the press machine, and is used for transmitting the driving force of the press machine to the shaft cap end to enable the shaft cap end to move towards the direction close to the outer chain plate until the shaft cap end is attached to the outer chain plate.
4. The heavy chain disassembling and assembling device according to claim 3, wherein: the auxiliary mounting tool further comprises a pressing plate assembly used for assembling another outer chain plate after the inner chain plate is inserted into the pin shaft to be disassembled and assembled, the pressing plate assembly comprises a pressing ring and a fixing plate, one side of the pressing ring is provided with an accommodating groove used for accommodating the threaded end of the pin shaft to be disassembled, and a movement allowance is reserved between the accommodating groove and the threaded end of the pin shaft to be disassembled;
the end face of one side of the compression ring, provided with the accommodating groove, is attached to the other outer chain plate;
a fixing plate is welded on the other side of the compression ring and is in contact with an output shaft of the press machine;
the fixed plate is also fixedly connected with the handheld rod.
5. The heavy chain disassembling and assembling device according to claim 4, wherein: the auxiliary mounting tool further comprises a stop block assembly used for blocking the pin shaft hole when the other outer chain plate is assembled, the stop block assembly comprises an insertion cylindrical part inserted into the pin shaft hole and a blocking cylindrical part, one side of the blocking cylindrical part and the insertion cylindrical part are integrally formed, and the other side of the blocking cylindrical part is attached to the shaft cap end.
6. The heavy chain disassembling and assembling device according to claim 5, wherein: the auxiliary disassembling tool comprises a pressing shaft short rod arranged between the threaded end of the pin shaft to be disassembled and the output shaft of the press machine, and the diameter of the pressing shaft short rod is smaller than that of the pin shaft to be disassembled.
7. The heavy chain disassembling and assembling device according to claim 6, wherein: one side that the press was kept away from to the mounting bracket is fixed with a plurality of holding rings, and is a plurality of the holding ring is used for the location respectively the last item of last item short rod the last item of last item long rod with handheld pole.
8. The heavy chain disassembling and assembling device according to claim 7, wherein: the pressing shaft short rod, the pressing shaft long rod, the stop block assembly and the pressing plate assembly are connected with the mounting frame through hooks.
9. The heavy chain disassembling and assembling device according to claim 8, wherein: the mounting bracket includes through the ring flange be fixed with the first connecting plate of press, with first connecting plate sets up relatively and has seted up the second connecting plate in round pin shaft hole and through bolted connection in first connecting plate with stand between the second connecting plate.
10. A heavy chain dismounting method is characterized in that: the method comprises an installation step and a disassembly step;
wherein, the installation step specifically includes the following steps:
s1, assembling an outer chain plate at the end of a shaft cap
Firstly, inserting two pin shafts into mounting holes at two ends of an outer chain plate respectively, and reserving allowance between a shaft cap of each pin shaft and the outer chain plate; then, the outer chain plate with the pin shaft is arranged in the mounting frame, one pin shaft is inserted into the pin shaft hole, and the shaft cap of the pin shaft is aligned with the output shaft of the press machine; then the long pressing shaft rod is arranged between the shaft cap of the pin shaft and the output shaft of the press; then, inching to trigger the inching switch until the shaft cap is attached to the outer chain plate; then opening the pressure release valve through an inner hexagonal wrench, taking out the long rod of the pressing shaft, and repeatedly operating to install the other pin shaft on the outer chain plate;
s2, inserting the inner chain plate onto the pin shaft;
s3, assembling the outer chain plate at the threaded end
Firstly, blocking the pin shaft hole by means of a stop block assembly, and then respectively aligning two mounting holes on the other outer chain plate with the threaded ends of two pin shafts for insertion; then placing the press frame in the mounting frame, aligning one of the pin shafts with the output shaft of the press machine, and arranging the pin shafts and the output shaft of the press machine concentrically at the same time; then, the pressing plate assembly is arranged between the threaded end of the pin shaft and an output shaft of the press machine, and the threaded end of the pin shaft extends into a pressing ring of the pressing plate assembly; then the inching trigger inching switch is inching until the outer chain plate moves for a set distance; then opening the pressure release valve through an inner hexagonal wrench, taking out the pressure plate assembly, aligning the other pin shaft on the press machine, and repeating the operation; alternately operating the two pin shafts until the outer chain plate is in place;
s4, screwing the mounting nut to the threaded end of the pin shaft and performing spot welding to complete assembly;
the disassembling step specifically comprises the following steps:
h1, removing spot welding by using a cutting tool, and then unscrewing a mounting nut;
h2, dismantle the outer link joint of threaded end
Firstly, taking down a stop block assembly, placing a chain in an installation frame, aligning the threaded end of one pin shaft with an output shaft of a press machine, then placing a pressing shaft short rod between the threaded end of the pin shaft and the output shaft of the press machine, inching through an inching switch to trigger the press machine for a set time, releasing pressure through a pressure release valve after the pin shaft moves for a set distance, aligning the other pin shaft on the press machine after taking out the pressing shaft short rod, and repeating the operation; alternately operating the two pin shafts until the threaded ends of the pin shafts are separated from the outer chain plate;
h3, drawing out the inner chain plate from the threaded end of the pin shaft;
and H4, repeating the operation of the step H2, and drawing out the pin shaft from the other outer chain plate.
CN202211628963.7A 2022-12-19 2022-12-19 Heavy chain dismounting device and dismounting method Active CN115609283B (en)

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CN115609283B CN115609283B (en) 2023-04-07

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN203566216U (en) * 2013-11-29 2014-04-30 安徽绩溪徽山链传动有限公司 Novel chain assembling and disassembling device
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CN115401441A (en) * 2022-07-14 2022-11-29 中航贵州飞机有限责任公司 Tool for realizing interference assembly of shaft hole and manufacturing and assembling method

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Publication number Priority date Publication date Assignee Title
CN201693510U (en) * 2010-03-31 2011-01-05 鲁泰纺织股份有限公司 Dedicated disassembling and assembling tool for chain
CN203566216U (en) * 2013-11-29 2014-04-30 安徽绩溪徽山链传动有限公司 Novel chain assembling and disassembling device
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CN115401441A (en) * 2022-07-14 2022-11-29 中航贵州飞机有限责任公司 Tool for realizing interference assembly of shaft hole and manufacturing and assembling method

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