CN113580059A - Rapid pin shaft dismounting mechanism, dismounting tool and dismounting method - Google Patents
Rapid pin shaft dismounting mechanism, dismounting tool and dismounting method Download PDFInfo
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- CN113580059A CN113580059A CN202110677509.XA CN202110677509A CN113580059A CN 113580059 A CN113580059 A CN 113580059A CN 202110677509 A CN202110677509 A CN 202110677509A CN 113580059 A CN113580059 A CN 113580059A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Abstract
The invention discloses a quick assembling and disassembling pin shaft mechanism, an assembling and disassembling tool and an assembling and disassembling method in the field of pin shafts, wherein the quick assembling and disassembling pin shaft mechanism comprises a first base body, a second base body and a pin shaft; the pin shaft is assembled in the pin holes of the first base body and the second base body; one side of the connecting plate is connected with the pin shaft through a first bolt, and the other side of the connecting plate is connected with the first base body through a second bolt; according to the invention, the hydraulic cylinder of the assembling and disassembling tool pushes the pin shaft to move to complete assembly, and the pin shaft is quickly assembled and disassembled by the special structural forms and mutual size matching of the pin shaft, the limiting plate and the assembling and disassembling tool.
Description
Technical Field
The invention belongs to the technical field of pin shafts, and particularly relates to a mechanism, a tool and a method for quickly disassembling and assembling a pin shaft.
Background
At present, the main connection modes adopted by the assembly of the engineering machinery comprise bolt connection and pin shaft connection, and the pin shaft connection is mainly used for the connection of structural members bearing large loads, such as a working arm, a hydraulic cylinder and the like, such as engineering machinery products, such as an excavator, a scraper and the like. Conventional round pin hub connection is in the installation with dismantle the in-process, to different structural component, needs to adopt different kinds of instrument and special frock, carries out in the workshop mostly. If dismantle in the open air, there are a great deal of inconveniences, are difficult to realize the round pin axle assembly even. At present, natural disasters occur frequently in China, conventional engineering machinery is difficult to enter a site for rescue aiming at disasters such as a barrier lake, modular engineering machinery products are produced at the same time, and the high-efficiency outdoor assembly can be realized and is also an inevitable requirement for development of the modular products.
Disclosure of Invention
The invention aims to provide a pin shaft mechanism capable of being quickly disassembled and assembled, an assembling and disassembling tool and an assembling and disassembling method, which can quickly, simply and reliably realize the connection among different modules, effectively reduce the assembling time of a whole vehicle and improve the outdoor assembling efficiency of modular engineering machinery.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a quick assembling and disassembling pin shaft mechanism comprises a first base body, a second base body and a pin shaft; the pin shaft is assembled in the pin holes of the first base body and the second base body; one side of the connecting plate is connected with the pin shaft through a first bolt, and the other side of the connecting plate is connected with the first base body through a second bolt;
the connecting plate is provided with a V-shaped groove and a closed hole, and the V-shaped groove and the closed hole axially penetrate through the connecting plate along the pin shaft; the first bolt penetrates through the V-shaped groove to be connected with the pin shaft, and the head of the first bolt extrudes the connecting plate towards the pin shaft direction; the closed hole comprises a round hole part for the second bolt to pass through and a semicircular hole part for installation, and the semicircular hole part is arranged on one side, far away from the V-shaped groove, of the round hole part; the second bolt is arranged in the semicircular hole part, and the head of the second bolt extrudes the connecting plate towards the first base body direction.
Preferably, the first base body comprises a first base plate, a first connecting seat for mounting the pin shaft and a mounting plate; a plurality of first connecting seats are arranged on one side of the first substrate in parallel, and the mounting plate is connected with the first connecting seats at the end part of the first base body; and the mounting plate is provided with a through hole for the pin shaft to pass through and a threaded hole connected with the second bolt.
Preferably, the second base body comprises a second base plate, a second connecting seat for mounting the pin shaft, and a pin shaft ring; a plurality of second connecting seats are arranged on one side of the second substrate in parallel; the pin shaft ring is welded on a second connecting seat to form a pin hole.
Preferably, one end of the pin shaft is provided with a bow-shaped positioning plate; the arc radius of the positioning plate is larger than the radius of the pin shaft, and the circle center of the positioning plate is arranged on the axis of the pin shaft; the positioning plate is attached to the first base body.
Preferably, the bottom of the V-shaped groove of the connecting plate is arc-shaped; the radius of the circular arc is larger than that of the first bolt and smaller than that of a circle circumscribed to the head of the first bolt.
Preferably, the connecting plate is attached to the straight edge of the positioning plate, and the thickness of the connecting plate is equal to that of the positioning plate.
A disassembling tool for quickly disassembling and assembling a pin shaft mechanism comprises a support frame, a hydraulic cylinder and an assembling and disassembling block; a hydraulic cylinder is arranged on the support frame; the hydraulic cylinder drives the assembling and disassembling block to move; a cavity is arranged on the side wall of the assembling and disassembling block and used for limiting the head of the first bolt; the bottom of the cavity is provided with a first fixing groove for accommodating a screw rod of a first bolt; the first fixing groove penetrates through the bottom of the assembling and disassembling block from the cavity.
Preferably, the side wall of the assembling and disassembling block is inwards recessed to form a tangent plane, and the first fixing groove and the opening of the cavity are arranged on the tangent plane; the tangent plane corresponds to the positioning plate, and the height of the tangent plane is equal to the thickness of the positioning plate.
Preferably, a bottom plate for fixing is arranged on one side of the support frame; the bottom plate is in a C shape surrounding the assembling and disassembling block; a second fixing groove for limiting the head of the second bolt is formed in the middle of the bottom plate; the direction of the C-shaped opening of the bottom plate is the same as the direction of the opening of the first fixing groove.
A mounting method of a quick-assembly and disassembly pin shaft mechanism comprises the following steps:
screwing a first bolt onto the pin shaft, and ensuring that a gap is formed between the head of the first bolt and the surface of the pin shaft, wherein the gap is as long as the first fixing groove;
screwing the second bolt onto the mounting plate, and ensuring that the head of the second bolt has a gap from the mounting plate, wherein the gap is the same as the thickness of the bottom plate;
coaxially arranging the pin shaft holes of the first base body and the second base body to a pre-assembly position;
the hydraulic cylinder is in a retraction state, the head of the first bolt is arranged in the cavity of the assembling and disassembling block, and the head of the first bolt is clamped by the first fixing groove; the tail of the pin shaft is in contact with the pin holes of the first base body and the second base body, the bottom plate is arranged in a gap between the head of the second bolt and the mounting plate, and the head of the second bolt is clamped by the second fixing groove;
the hydraulic cylinder extends out, the pin shaft is inserted into the pin shaft holes formed by the first base body and the second base body, when the positioning plate of the pin shaft is completely contacted with the first base body, the pin shaft is completely inserted, and the disassembling tool is withdrawn reversely;
the connecting plate is completely contacted with the end face of the pin shaft, the first bolt is arranged in the V-shaped groove, and the second bolt is arranged at the round hole part of the closed hole;
and moving the connecting plate to the direction of the positioning plate to enable the connecting plate to be in contact with the positioning plate, screwing the first bolt and the second bolt, and completing the assembly of the pin shaft at the moment.
A dismounting method of a quick dismounting pin shaft mechanism comprises the following steps:
loosening the first bolt and the second bolt by using a tool, moving the connecting plate towards the positioning plate in a reverse direction until the head of the second bolt is positioned in the circular hole part of the closed hole, and taking down the connecting plate;
the hydraulic cylinder is in an extending state, the head of the first bolt is arranged in the cavity of the assembling and disassembling block, and the head of the first bolt is clamped by the first fixing groove; at the moment, the bottom plate is arranged in a gap between the head of the second bolt and the mounting plate, and the head of the second bolt is clamped by the second fixing groove;
the hydraulic cylinder retracts, and the first bolt drives the pin shaft to move axially to detach the pin shaft.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the hydraulic cylinder of the assembling and disassembling tool pushes the pin shaft to move to complete assembly, and the pin shaft is quickly assembled and disassembled by the special structural forms and mutual size matching of the pin shaft, the limiting plate and the assembling and disassembling tool.
In the process of dismounting the pin shaft, the invention only needs to loosen the limiting bolt without completely dismounting, thereby effectively saving dismounting time, reducing the risk of losing the bolt and improving working efficiency.
The other side of the connecting plate is connected with the first base body through a second bolt; the second base body is rotationally connected to the pin shaft; the connecting plate is provided with a V-shaped groove for limiting the first bolt and a closed hole for limiting the second bolt, the quick-assembly and disassembly pin shaft mechanism is simple in structure, strong in flexibility, free of limitation on bearing capacity and capable of flexibly dealing with outdoor modular engineering machinery assembly.
Drawings
Fig. 1 is a structural diagram of a quick-mounting/dismounting pin mechanism provided in an embodiment of the present invention;
FIG. 2 is an exploded view of a first substrate provided by an embodiment of the present invention;
FIG. 3 is an exploded view of a second substrate provided by an embodiment of the present invention;
FIG. 4 is a block diagram of a pin according to an embodiment of the present invention;
FIG. 5 is a block diagram of a connection board provided in an embodiment of the present invention;
FIG. 6 is a block diagram of a removal tool provided in accordance with an embodiment of the present invention;
FIG. 7 is a block diagram of a mounting and dismounting block provided by an embodiment of the present invention;
fig. 8 is a structural diagram of a chassis provided in an embodiment of the present invention.
In the figure: the device comprises a first base body 1, a first connecting seat 1-1, a mounting plate 1-2, a first base plate 1-3, a second base body 2-1, a second base plate 2-2, a second connecting seat 2-2, a pin collar 2-3, a pin shaft 3, a positioning plate 31, a first bolt 4, a connecting plate 5, a groove 51V, a closed hole 52, a second bolt 6, a disassembling tool 7-1, a supporting frame 7-11, a bottom plate 7-12, a second fixing groove 7-12, a hydraulic cylinder 7-2, a disassembling block 7-3, a cavity 7-31, a first fixing groove 7-32 and a section 7-33.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example one
As shown in fig. 1-5, a quick assembly disassembly pin mechanism includes a first base 1, a second base 2, a pin 3; the first base body 1 comprises a first base plate 1-3, a first connecting seat 1-1 for mounting a pin shaft and a mounting plate 1-2; a plurality of first connecting seats 1-1 are arranged on one side of the first substrate 1 in parallel, and the mounting plate 1-2 is connected to the first connecting seats 1-1 at the end part of the first substrate 1; the first connecting seat 1-1 is provided with a pin hole for assembling a pin shaft 3; the mounting plate 1-2 is provided with a through hole for the pin shaft to pass through and a threaded hole connected with a second bolt; the second base body 2 comprises a second base plate 2-1, a second connecting seat 2-2 for mounting a pin shaft and a pin shaft ring 2-3; a plurality of second connecting seats 2-2 are arranged on one side of the second base plate 2-1 in parallel; the pin collar 2-3 is welded to a second connecting seat 2-2 to form a pin hole.
The pin shaft 3 is assembled in the pin holes of the first base body 1 and the second base body 2; one side of a connecting plate 5 is connected with a pin shaft 3 through a first bolt 4, and the other side of the connecting plate 5 is connected with the first base body 1 through a second bolt 6; one end of the pin shaft 3 is provided with an arched positioning plate 31; the arc radius of the positioning plate 31 is greater than the radius of the pin shaft 3, and the circle center of the positioning plate 31 is arranged on the axis of the pin shaft 3; the positioning plate 31 is attached to the first substrate 1.
The connecting plate 5 is provided with a V-shaped groove 51 and a closed hole 52, and the V-shaped groove 51 and the closed hole 52 axially penetrate through the connecting plate 5 along the pin shaft 3; the first bolt 4 penetrates through the V-shaped groove 51 to be connected with the pin shaft 3, and the head of the first bolt 4 extrudes the connecting plate 5 towards the pin shaft direction; the closed hole 52 corresponds to the position of the threaded hole of the mounting plate 1-2; the closed hole 52 comprises a round hole part for the second bolt 6 to pass through and a semicircular hole part for installation, and the semicircular hole part is arranged on one side of the round hole part far away from the V-shaped groove 51; the second bolt 6 is arranged at the semicircular hole part, and the head part of the second bolt 6 extrudes the connecting plate 5 towards the first base body 1; the semicircular hole portion allows the screw of the second bolt 6 to pass through, but does not allow the head of the second bolt 6 to pass through; the bottom of the V-shaped groove 51 of the connecting plate 5 is arc-shaped, and the radius of the arc-shaped groove is larger than that of the first bolt 4 and smaller than that of a circumscribed circle of the head of the first bolt 4; a chamfer is arranged at the straight edge of the positioning plate 31; the connecting plate 5 is attached to the positioning plate 31 at a straight edge, and the connecting plate 5 and the positioning plate 31 have the same thickness.
Example two
As shown in fig. 6-8, the dismounting tool 7 for quickly dismounting the pin mechanism comprises a support frame 7-1, a hydraulic cylinder 7-2, and a mounting and dismounting block 7-3; a hydraulic cylinder 7-2 is arranged on the support frame 7-1; the hydraulic cylinder 7-2 drives the assembling and disassembling block 7-3 to move; a cavity 7-31 is arranged on the side wall of the assembling and disassembling block 7-3, and the cavity 7-31 is used for limiting the head of the first bolt 4; the bottom of the cavity 7-31 is provided with a first fixing groove 7-32 for accommodating a screw rod of the first bolt 4; the first fixing groove 7-32 penetrates through the bottom of the assembly and disassembly block 7-3 from the cavity.
The side wall of the assembling and disassembling block 7-3 is inwards sunken to be provided with a tangent plane 7-33, and the openings of the first fixing groove 7-32 and the cavity 7-31 are arranged on the tangent plane 7-33; the sections 7 to 33 correspond to the positioning plate 31, and the height of the sections 7 to 33 is equal to the thickness of the positioning plate 31.
A bottom plate 7-11 for fixing is arranged on one side of the support frame 7-1; the bottom plates 7-12 are C-shaped surrounding assembling and disassembling blocks; the middle part of the bottom plate 7-12 is provided with a second fixing groove 7-12 for limiting the head part of the second bolt 6; the opening direction of the C shape of the bottom plate 7-11 is the same as the opening direction of the first fixing groove 7-32.
EXAMPLE III
A mounting method of a quick-assembly and disassembly pin shaft mechanism comprises the following steps:
screwing a first bolt 4 onto the pin shaft 3, and ensuring that a gap is reserved between the head of the first bolt 4 and the surface of the pin shaft 3, wherein the length of the gap is the same as that of the first fixing groove 7-32;
screwing the second bolt 6 onto the mounting plate 1-2, and ensuring that the head of the second bolt 6 has a gap from the mounting plate, wherein the gap is the same as the thickness of the bottom plate 7-11;
coaxially arranging the pin shaft holes of the first base body 1 and the second base body 2 to a pre-assembly position;
the hydraulic cylinder 7-2 is in a retraction state, the head of the first bolt 4 is arranged in the cavity 7-31 of the assembling and disassembling block 7-3, and the head of the first bolt 4 is clamped by the first fixing groove 7-32; the tail part of the pin shaft 3 is contacted with the pin holes of the first base body 1 and the second base body 2, at the moment, the bottom plate 7-11 is arranged in a gap between the head part of the second bolt 6 and the mounting plate 1-2, and the head part of the second bolt 6 is clamped by the second fixing groove 7-12;
the hydraulic cylinder 7-2 extends out, the pin shaft 3 is inserted into the pin shaft holes formed by the first base body 1 and the second base body 2, when the positioning plate 31 of the pin shaft is completely contacted with the first base body 1, the pin shaft 3 is completely inserted, and the disassembling tool 7 is withdrawn reversely;
completely contacting the connecting plate 5 with the end face of the pin shaft 3, arranging the first bolt 6 in the V-shaped groove 51, and arranging the second bolt 6 in the circular hole part of the closed hole 52;
and moving the connecting plate 5 towards the positioning plate 31 to enable the connecting plate 5 to be in contact with the positioning plate 31, screwing the first bolt 4 and the second bolt 6, and finishing the assembly of the pin shaft at the moment.
Example four
A dismounting method of a quick dismounting pin shaft mechanism comprises the following steps:
loosening the first bolt 4 and the second bolt 6 by using a tool, moving the connecting plate 5 towards the positioning plate 31 in the reverse direction until the head of the second bolt 6 is in the circular hole part of the closed hole 52, and removing the connecting plate 5;
the hydraulic cylinder 7-2 is in an extending state, the head of the first bolt 4 is arranged in a cavity of the assembling and disassembling block 7-3, and the head of the first bolt 4 is clamped by the first fixing groove 7-32; at the moment, the bottom plate 7-11 is arranged in a gap between the head of the second bolt 6 and the mounting plate 1-2, and the head of the second bolt 6 is clamped by the second fixing groove 7-12;
the hydraulic cylinder 7 retracts, and the first bolt 4 drives the pin shaft to move axially to detach the pin shaft 3.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A quick assembling and disassembling pin shaft mechanism is characterized by comprising a first base body (1), a second base body (2) and a pin shaft (3); the pin shaft (3) is assembled in pin holes of the first base body (1) and the second base body (2); one side of the connecting plate (5) is connected with the pin shaft (3) through a first bolt (4), and the other side of the connecting plate (5) is connected with the first base body (1) through a second bolt (6);
the connecting plate (5) is provided with a V-shaped groove (51) and a closed hole (52), and the V-shaped groove (51) and the closed hole (52) axially penetrate through the connecting plate (5) along the pin shaft; the first bolt (4) penetrates through the V-shaped groove (51) to be connected with the pin shaft (3), and the head of the first bolt (4) extrudes the connecting plate (5) towards the pin shaft direction; the closed hole (52) comprises a round hole part for the second bolt to pass through and a semicircular hole part for installation, and the semicircular hole part is arranged on one side, far away from the V-shaped groove, of the round hole part; the second bolt (6) is arranged on the semicircular hole part, and the head part of the second bolt (6) extrudes the connecting plate (5) towards the direction of the first base body (1).
2. The quick assembly and disassembly pin mechanism of claim 1, wherein the first base (1) comprises a first base plate (1-3), a first connecting seat (1-1) for mounting a pin, and a mounting plate (1-2); a plurality of first connecting seats (1-1) are arranged on one side of the first substrate (1-3) in parallel, and the mounting plate (1-2) is connected to the first connecting seat (1-1) at the end part of the first base body; and the mounting plate (1-2) is provided with a through hole for the pin shaft (3) to pass through and a threaded hole connected with the second bolt (6).
3. The quick assembly and disassembly pin mechanism of claim 1, wherein the second base (2) comprises a second base plate (2-1), a second connecting seat (2-2) for mounting a pin, and a pin ring (2-3); a plurality of second connecting seats (2-2) are arranged on one side of the second substrate (2-1) in parallel; the pin collar (2-3) is welded on a second connecting seat (2-2) to form a pin hole.
4. The quick assembly disassembly pin mechanism of claim 1, wherein one end of the pin (3) is provided with a bow-shaped positioning plate (31); the arc radius of the positioning plate (31) is larger than the radius of the pin shaft (3), and the circle center of the positioning plate (31) is arranged on the axis of the pin shaft (3); the positioning plate (31) is attached to the first base body (1).
5. The quick assembly disassembly pin mechanism of claim 1, wherein the bottom of the V-shaped groove (51) of the connecting plate (5) is arc-shaped; the radius of the circular arc is larger than that of the first bolt (4) and smaller than that of a circle circumscribed to the head of the first bolt (4).
6. A disassembling tool for a quick disassembling and assembling pin shaft mechanism is used for assisting in disassembling and assembling the quick disassembling and assembling pin shaft mechanism as claimed in any one of claims 1-5, wherein the disassembling and assembling tool (7) comprises a support frame (7-1), a hydraulic cylinder (7-2) and an assembling and disassembling block (7-3); a hydraulic cylinder (7-2) is arranged on the support frame (7-1); the hydraulic cylinder (7-2) drives the assembling and disassembling block (7-3) to move; a cavity (7-31) is arranged on the side wall of the assembling and disassembling block (7-3), and the cavity (7-31) is used for limiting the head of the first bolt (4); the bottom of the cavity (7-31) is provided with a first fixing groove (7-32) for accommodating a screw rod of a first bolt (4); the first fixing groove (7-32) penetrates from the cavity to the bottom of the assembling and disassembling block (7-3).
7. The tool for disassembling and assembling a quick disassembling and assembling pin shaft mechanism according to claim 1, wherein the side wall of the assembling and disassembling block (7-3) is provided with a cut surface (7-33) in an inward concave manner, and the first fixing groove (7-32) and the opening of the cavity (7-31) are arranged on the cut surface (7-33); the tangent plane (7-33) corresponds to the positioning plate (31), and the height of the tangent plane ((7-33)) is equal to the thickness of the positioning plate (31).
8. The dismounting tool for quickly dismounting the pin shaft mechanism according to claim 1, wherein a bottom plate (7-11) for fixing is arranged on one side of the supporting frame (7-1); the bottom plate (7-11) is C-shaped and surrounds the assembly and disassembly block; a second fixing groove (7-12) for limiting the head of a second bolt is formed in the middle of the bottom plate (7-11); the opening direction of the C shape of the bottom plate (7-11) is the same as the opening direction of the first fixing groove (7-32).
9. The mounting method of the quick assembling and disassembling pin shaft mechanism is characterized by comprising the following steps:
screwing the first bolt (4) on the pin shaft (3), and ensuring that a gap is reserved between the head of the first bolt (4) and the surface of the pin shaft (3), and the length of the gap is the same as that of the first fixing groove (7-32);
screwing the second bolt (6) onto the mounting plate (1-2), and ensuring that the head of the second bolt (6) has a gap from the mounting plate (1-2), wherein the thickness of the gap (1-2) is the same as that of the bottom plate (7-11);
coaxially arranging pin shaft holes of a first base body (1) and a second base body (2) to a preassembly position;
the hydraulic cylinder (7-2) is in a retraction state, the head of the first bolt (4) is arranged in a cavity (7-31) of the assembling and disassembling block, and the head of the first bolt (4) is clamped by the first fixing groove (7-32); the tail of the pin shaft (3) is in contact with the pin holes of the first base body (4) and the second base body (6), at the moment, the bottom plate (7-11) is arranged in a gap between the head of the second bolt (6) and the mounting plate (1-2), and the head of the second bolt (6) is clamped by the second fixing groove (7-12);
the hydraulic cylinder (7-2) extends out, a pin shaft is inserted into a pin shaft hole formed by the first base body (1) and the second base body (2), when a positioning plate of the pin shaft (3) is completely contacted with the first base body (1), the pin shaft (3) is completely inserted, and the disassembling tool (7) is withdrawn reversely;
completely contacting the connecting plate (5) with the end face of the pin shaft (3), arranging a first bolt (4) in the V-shaped groove (51), and arranging a second bolt (6) in the round hole part of the closed hole (52);
and moving the connecting plate (5) towards the positioning plate (31) to enable the connecting plate (5) to be in contact with the positioning plate (31), screwing the first bolt (4) and the second bolt (6), and finishing the assembly of the pin shaft at the moment.
10. The mounting method of the quick assembling and disassembling pin shaft mechanism is characterized by comprising the following steps:
loosening the first bolt (4) and the second bolt (6) by using a tool, moving the connecting plate (5) towards the positioning plate (31) in a reverse direction until the head of the second bolt (6) is in the round hole part of the closed hole (52), and taking down the connecting plate;
the hydraulic cylinder (7-2) is in an extending state, the head of the first bolt (4) is arranged in a cavity (7-31) of the assembling and disassembling block, and the head of the first bolt (4) is clamped by the first fixing groove (7-32); at the moment, the bottom plate (7-11) is arranged in a gap between the head of the second bolt (6) and the mounting plate (1-2), and the head of the second bolt (6) is clamped by the second fixing groove (7-12);
the hydraulic cylinder (7-2) retracts, and the first bolt (4) drives the pin shaft to move axially to disassemble the pin shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110677509.XA CN113580059B (en) | 2021-06-18 | 2021-06-18 | Quick assembly and disassembly pin shaft mechanism, assembly and disassembly tool and assembly and disassembly method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110677509.XA CN113580059B (en) | 2021-06-18 | 2021-06-18 | Quick assembly and disassembly pin shaft mechanism, assembly and disassembly tool and assembly and disassembly method |
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| CN113580059A true CN113580059A (en) | 2021-11-02 |
| CN113580059B CN113580059B (en) | 2023-10-03 |
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| CN209175224U (en) * | 2018-10-30 | 2019-07-30 | 中国神华能源股份有限公司 | Pin assembling/disassembling tool |
| CN210757505U (en) * | 2019-09-27 | 2020-06-16 | 合肥正浩机械科技有限公司 | Pin puller of bridge girder erection machine |
| CN212527563U (en) * | 2020-07-15 | 2021-02-12 | 吴昭维 | Wheel extracting tool |
| CN112013011A (en) * | 2020-08-12 | 2020-12-01 | 江苏徐工工程机械研究院有限公司 | Connecting structure capable of quickly disassembling and assembling pin shaft |
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| CN113580059B (en) | 2023-10-03 |
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