CN114248097B - Bolt assembly system and bolt assembly method - Google Patents
Bolt assembly system and bolt assembly method Download PDFInfo
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- CN114248097B CN114248097B CN202010994433.9A CN202010994433A CN114248097B CN 114248097 B CN114248097 B CN 114248097B CN 202010994433 A CN202010994433 A CN 202010994433A CN 114248097 B CN114248097 B CN 114248097B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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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
- B23P19/001—Article feeders for assembling machines
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- Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract
An object of the present application is to provide a bolt assembly jack and a bolt assembly method, which can realize rapid and accurate assembly of bolts in a narrow space. It is another object of the present application to provide a bolt assembly system having a bolt assembly jack as previously described. The bolt assembly jack for achieving the purpose comprises a bracket, a transmission piece, an ejection piece and a limiting piece. The bracket is provided with a first hole formed along a first direction and a second hole formed along a second direction, and the first direction is perpendicular to the second direction. The transmission part is movably arranged in the first hole, and the ejection part is movably arranged in the second hole. When the transmission piece moves along the first direction, the ejection piece is extruded by the transmission piece at the matching position of the inclined plane to extend out of the second hole, and the limiting piece limits the movement of the transmission piece at the extending position of the ejection piece.
Description
Technical Field
The application relates to a bolt assembly system and an assembly method thereof.
Background
The high-pressure compressor rotor is an important component of an aeroengine, and as shown in fig. 1, a schematic diagram of a conventional high-pressure compressor rotor is composed of multiple stages of disc drums 90, and the disc drums 90 are fixedly connected through fasteners 91.
The diameter phi of the rotor hub of the engine is smaller, the distance A between the bolt installation position and the hub is larger (A > phi), the axial distance H2 between the adjacent hub is smaller, and the axial distance H1 between the bolt installation position and the rear end face of the rotor hub is larger (H1 > H2). The rotor disk drum is shown in the figure and is in an inverted cone shape, and the joint of the inner wall of the disk drum and the disk web plate is provided with a round angle, so that the bottom of the bolt is an irregular plane, and the rotor disk drum belongs to a typical deep cavity narrow heterogenic space.
Under the existing assembly process, workers need to send fasteners 91 such as bolts from the hub to the mounting holes, and manually fix the bolts during the mounting process until the nuts are tightened. Because the bolt quantity is many, and installation space is very narrow and small, and invisible, the installation degree of difficulty is great, and the workman needs to keep bolt fixed gesture for a long time, and extremely expends physical power, needs longer time to accomplish the installation of whole circle bolt.
Therefore, a bolt assembly system is needed to realize rapid and accurate assembly of bolts in a narrow space.
Disclosure of Invention
An object of the present application is to provide a bolt assembly system capable of realizing rapid and accurate assembly of bolts in a narrow space.
Another object of the present application is to provide a bolt assembling method capable of realizing rapid and accurate assembling of bolts in a narrow space.
In order to achieve the above-mentioned object, a bolt assembly system for assembling bolts in a rotor disk includes a bolt tightening tool for tightening the bolts ejected from a bolt assembly jack; the bolt assembly jacking tool comprises:
the bracket is provided with a first hole formed in a first direction and a second hole formed in a second direction, and the first direction is perpendicular to the second direction;
the transmission piece is movably arranged in the first hole;
the ejection piece is movably arranged in the second hole; and
a limiting piece;
when the transmission piece moves along the first direction, the ejection piece is extruded by the transmission piece at the inclined plane matching position to extend out of the second hole, and the limiting piece limits the movement of the transmission piece at the extending position of the ejection piece;
the support is internally provided with a movable groove, the limiting piece is a limiting pin movably arranged in the movable groove, the transmission piece is provided with a limiting groove matched with the limiting pin, and the limiting groove is opposite to the limiting pin at the extending position;
the bolt assembly jacking tool further comprises an actuating piece, wherein the actuating piece is respectively connected with the transmission piece and the limiting piece, and the actuating piece is operated to enable the transmission piece to be pulled out of the first hole along the first direction; and simultaneously, the actuating piece is operated to enable the limiting pin to enter the limiting groove or to be separated from the limiting groove.
In one or more embodiments, the actuating member is an actuating cable, a guide part is arranged in the bracket, one end of the actuating member is connected with the transmission member, and the other end of the actuating member bypasses the guide part and is connected with the limiting pin.
In one or more embodiments, the bracket is provided with a first guide groove and a second guide groove, at least one side of the transmission piece is provided with a first convex part, and at least one side of the ejection piece is provided with a second convex part;
the transmission piece is matched and connected with the first guide groove of the support through the first protruding portion, the ejection piece is matched and connected with the second guide groove of the support through the second protruding portion, the first guide groove is matched and guided with the first protruding portion to guide the moving direction of the transmission piece, and the second protruding portion is matched and guided with the second guide groove to guide the moving direction of the ejection piece.
In one or more embodiments, the bolt assembly system is used for assembling bolts at a plurality of positions in the circumferential direction of the rotor disk, and the number of bolt assembly jacks is the same as the number of positions where bolts are to be assembled in the rotor disk.
In order to achieve the above another object, a bolt assembly method for assembling a bolt in a rotor disk using the above bolt assembly system, the bolt assembly method comprising the steps of:
passing bolts through mounting holes of the compressor drum;
providing bolt assembly jacks, placing the bolt assembly jacks in positions corresponding to bolts in a compressor disc cavity, wherein each bolt assembly jack comprises:
the bracket is provided with a first hole formed in a first direction and a second hole formed in a second direction, and the first direction is perpendicular to the second direction;
the transmission piece is movably arranged in the first hole;
the ejection piece is movably arranged in the second hole; and
a limiting piece;
when the transmission piece moves along the first direction, the ejection piece is extruded by the transmission piece at the inclined plane matching position to extend out of the second hole, and the limiting piece limits the movement of the transmission piece at the extending position of the ejection piece;
pushing the transmission piece to enable the ejection piece to move to the extending position so as to eject the bolt out of the mounting hole;
providing a tightening tool to tighten a nut on the ejected bolt;
operating the driving member to drop the ejector member to allow the bolt-assembly ejector to separate from the bolt-assembly ejector
Opening a disc cavity;
the above operation is repeated, and a plurality of bolts along the circumferential direction of the compressor disk drum are assembled.
In one or more embodiments, the bolt assembly jack includes an actuating member coupled to the driving member and the limiting member, respectively, the actuating member being operated to draw the driving member out of the first hole in the first direction, while the actuating member is operated to cause the limiting pin
Enters the limit groove or is separated from the limit groove;
the bolt assembly method comprises the following steps:
the actuating member is pulled to drop the ejector member, thereby allowing the bolt-fitting ejector to exit the disc cavity.
In one or more embodiments, the method includes:
providing the same number of bolt assembly jacks as the number of bolts to be assembled in the rotor disk;
the operating the driving member to drop the ejector member includes:
the actuating member is pulled to simultaneously drop a plurality of the ejector members, thereby allowing the bolt assembly ejector to exit the disc cavity.
In one or more embodiments, the method further comprises:
and after the bolt assembly of the former-stage disc drum is completed, placing the bolt assembly jacking tool on a web plate of the next-stage disc drum so as to complete the assembly of the next-stage disc drum.
The application has the advantages that one or the combination of the following steps:
by providing a transmission member and an ejector member that are bevel-fitted, a horizontal movement in a first direction can be converted into a vertical movement in a second direction when the transmission member is moved. Therefore, when the nut is screwed in the disc cavity, the horizontal movement can be converted into the vertical movement, so that one end, connected with the nut, of the bolt piece can be ejected out of the mounting hole, the invisible mounting position can be converted into the visible mounting position, convenience in bolt mounting is improved, and quick and accurate assembly of the bolt in a narrow space is realized.
Drawings
The above and other features, properties and advantages of the present application will become more apparent from the following description in conjunction with the accompanying drawings and embodiments, in which:
FIG. 1 shows a schematic view of a prior art high pressure compressor rotor;
FIG. 2 illustrates a schematic perspective view of one embodiment of a bolt assembly jack;
FIG. 3 illustrates a schematic cross-sectional view of one embodiment of a bolt assembly jack;
FIG. 4 shows a schematic perspective view of one embodiment of a transmission;
FIG. 5 shows a schematic perspective view of one embodiment of an ejector;
FIG. 6 illustrates a schematic perspective view of one embodiment of a stop member;
FIG. 7 illustrates a schematic perspective view of one embodiment of a bolt assembly jack;
fig. 8 to 9 show schematic views of a process for assembling bolts in one embodiment of the bolt assembly jack.
Detailed Description
The following discloses a number of different embodiments or examples of implementing the subject technology. Specific examples of components and arrangements are described below for purposes of simplifying the disclosure, and of course, these are merely examples and are not intended to limit the scope of the application. For example, a first feature described later in this specification may be formed above or on a second feature, and may include embodiments in which the first and second features are formed in direct contact, as well as embodiments in which additional features may be formed between the first and second features, such that no direct contact may be made between the first and second features. In addition, the disclosure may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. Further, where a first element is described as being coupled or combined with a second element, the description includes embodiments in which the first and second elements are directly coupled or combined with each other, and also includes embodiments in which one or more other intervening elements are added to indirectly couple or combine the first and second elements with each other.
It should be noted that where used, the description of upper, lower, left, right, front, rear, top, bottom, forward, reverse, clockwise and counterclockwise are used for convenience only and do not imply any particular orientation of securement. In fact, they are used to reflect the relative position and/or orientation between the various parts of the object.
It is noted that these and other figures are merely examples, which are not drawn to scale and should not be construed as limiting the scope of the application as it is actually claimed. In addition, the conversion modes in the different embodiments may be appropriately combined.
It should be noted that, as described later, reference numerals and reference numerals in the background art adopt different reference numerals systems, and no correlation exists between the reference numerals of the two.
To solve one or more problems of the prior art, an aspect of the present application provides a bolt assembly jack, such as a perspective view of one embodiment of the bolt assembly jack shown in fig. 2, and a cross-sectional view of one embodiment of the bolt assembly jack shown in fig. 3.
Referring to fig. 2 and 3 in combination, the bolt assembly jack 100 includes a bracket 1, a transmission member 2, an ejector member 3, and a stopper member 4. The bracket 1 has a first hole 11 formed therein along a first direction a and a second hole 12 formed therein along a second direction b, and the first direction a is perpendicular to the second direction b.
The transmission member 2 is disposed in the first hole 11 and movable in a first direction a. The ejector 3 is disposed in the second hole 12 and movable in the second direction b.
Wherein, the driving member 2 is in slant fit with the ejection member 3 in the bracket 1, when the driving member 2 moves along the first direction a and extends into the bracket 1, the ejection member 3 is extruded by the driving member 2 at the slant fit to extend out of the second hole 12, and moves to the extending position as shown in fig. 2 and 3. The limiting member 4 limits the movement of the transmission member 2 when the ejector member 3 is in the extended position.
Specifically, fig. 4 shows a schematic perspective view of one embodiment of the transmission member 2, and fig. 5 shows a schematic perspective view of one embodiment of the ejector member 3. Wherein one end of the driving member 2 extending into the bracket 1 has a first mating inclined surface 20, one end of the ejection member 3 extending into the bracket 1 has a second mating inclined surface 30, and the driving member 2 and the ejection member 3 are in bevel mating transmission through the first mating inclined surface 20 and the second mating inclined surface 30, so that when the driving member 2 moves towards the inside of the bracket 1 along a first direction a, the first mating inclined surface 20 presses the second mating inclined surface 30, so that the ejection member 3 moves upwards along the first mating inclined surface 20 and extends to an extending position as shown in fig. 2 and 3.
By providing the transmission member 2 and the ejector member 3 in a bevel fit, it is possible to convert a horizontal movement in the first direction a into a vertical movement in the second direction b when the transmission member 2 moves. Therefore, when the nut is screwed in the disc cavity, the horizontal movement can be converted into the vertical movement, so that one end, connected with the nut, of the bolt piece can be ejected out of the mounting hole, the invisible mounting position can be converted into the visible mounting position, and convenience in bolt mounting is improved.
Although one embodiment of the present bolt assembly jacking tool is described above, in other embodiments of the present bolt assembly jacking tool, the present bolt assembly jacking tool may have more details in many respects with respect to the above-described embodiments, and at least a portion of these details may have various changes. At least some of this detail and some variations are described below in some examples.
Referring to fig. 2 to 5 in combination, in one embodiment of the bolt assembly jack, the bracket 1 has a movable slot 10 therein, and the stopper 4 is a stopper pin disposed in the movable slot 10 as shown in fig. 6. Wherein, the driving member 2 has a limiting groove 21 matched with the limiting pin 4, when the ejector member 3 is extruded to the extending position shown in fig. 2 and 3 by the driving member 2, the position of the limiting groove 21 is just opposite to the limiting pin 4 to allow the limiting pin 4 to fall into the limiting groove 21, and at this time, the movable groove 10 limits the movement of the limiting pin 4 along the first direction a, so that the limiting pin 4 limits the movement of the driving member 2 along the first direction a.
In some other embodiments than those shown, the structure and/or manner of the stop 4 may be modified or varied as appropriate, such as in one embodiment the stop 4 may be a snap-fit structure to stop the transmission 2 in the extended position by a snap-fit connection.
With continued reference to fig. 2 to 6, in one embodiment of the bolt assembly jack 100, the bolt assembly jack further includes an actuating member 5, wherein the actuating member 5 is respectively connected to the driving member 2 and the limiting member 4, and the driving member 2 can be pulled out of the first hole 11 along the first direction a by operating the actuating member 5, and meanwhile, the limiting pin 4 can be moved into the limiting groove 21 or out of the limiting groove 21 by operating the actuating member 5.
Specifically, in one embodiment of the bolt-fitting top tool, the actuating member 5 is a kind of actuating cable in a rope form as shown in the drawing, and one end of the actuating member 5 is connected to the transmission member. The bracket 10 is internally provided with a guide part 13, the other end of the actuating piece 5 bypasses the guide part 13 and is connected with the limiting pin 4, and the actuating piece is guided by the guide part 13, so that the pulling direction of the actuating piece 5 to the limiting pin 4 is changed from the horizontal direction along the first direction a to the vertical direction along the second direction b. In operation, the driving member 2 is pulled out of the first hole 11 by pulling one end of the actuating member 5, the limiting pin 4 is dropped into the limiting groove 21 by gravity by releasing the other end of the actuating member 5, and the other end of the actuating member 5 is pulled to pull the limiting pin 4 out of the limiting groove 21 by pulling. When the limiting pin 4 is pulled up from the limiting groove 21, one end of the actuating member 5 is pulled to pull the driving member 2 out of the first hole 11, and the ejection member 3 moves downward along the first matching inclined surface 20 and is retracted into the second hole 12 under the action of gravity, so that the bolt assembly ejector 100 is allowed to be taken out from the disc cavity.
In some other embodiments than the one shown, the structure of the actuating member 5 may have many suitable variations or modifications, such as in one embodiment the actuating member 5 may be a pull ring structure connected to the stop pin 4 and the driving member 2, respectively, and by operating the pull ring structure, the driving member 2 may be pulled out of the first hole 11 or the stop pin 4 may be pulled up or down from the stop slot 21, respectively.
In one embodiment of the bolt-fitting top, the transmission member 2 has a lug structure 22, the lug structure 22 having a hole therein for allowing the actuator member 5 to pass through, the actuator member 5 being connected to the transmission member 2 by the lug structure 22.
In one embodiment of the bolt assembly jack, a connection ring groove 40 is formed in the limit pin 4, the connection ring groove 40 allows the actuating member 5 to enter and encircle the outer circumferential side of the limit pin 4, and the actuating member 5 encircles the connection ring groove 40 to be connected with the limit pin 4. At the same time, the connecting ring groove 40 prevents the actuator 5 from moving between the connecting state and the stopper pin.
In one embodiment of the bolt assembly jack, the stopper portions 41 are provided at both ends of the stopper pin 4, respectively, and in the assembled state, the stopper portions 41 abut against the outer periphery of the movable groove 10 to prevent the stopper pin 4 from coming out of the movable groove 10.
In one embodiment of the bolt assembly ejector, the bracket 1 has a first guide groove 15 and a second guide groove 16 therein, at least one side of the driving member 2 has a first protrusion 25, and at least one side of the ejector 3 has a second protrusion 36. In the assembled state, the driving element 2 is matched and connected with the first guide groove 15 of the bracket 1 through the first convex part 25, the ejection element 3 is matched and connected with the second guide groove 16 of the bracket 1 through the second convex part 36, the first guide groove 15 is matched and guided with the first convex part 25 to guide the moving direction of the driving element 2, the second convex part 36 is matched and guided with the second guide groove 16 to guide the moving direction of the ejection element 3, and meanwhile, the first guide groove 15 is matched with the first convex part 25, and the second convex part 36 is matched with the second guide groove 16 to jointly limit the moving distance of the driving element 2 and the ejection element 3. In one embodiment, the first protrusion 25 and the second protrusion 36 are provided on both sides of the driver 2 and the ejector 3, respectively. In one embodiment, the first and second protrusions 25, 36 are guide pins.
In some other embodiments than the one shown, the guiding structure and/or the manner of the transmission element 2 and/or the ejection element 3 in the holder 1 can be modified or changed in many ways, for example in one embodiment the transmission element 2 and/or the ejection element 3 are guided in the holder 1 by means of a sliding rail groove.
The bolt assembly jacking tool according to one or more of the foregoing embodiments may be applied to a bolt assembly system as shown in fig. 7, which further includes a bolt tightening tool (not shown), such as a wrench, for use with the bolt assembly jacking tool 100. Wherein the bolt assembly ejector 100 ejects the bolt 7 in the disc cavity of the rotor disc 8, and a bolt tightening tool is used to tighten the nut on the ejected bolt.
In one embodiment of the bolt assembly system, the rotor disk 8 is in a rotary member structure as shown in the drawing, the bolts 7 to be assembled are distributed in steps along the circumferential direction of the rotor disk 8, and the number of the bolt assembly jacks 100 is the same as the number of the bolts 7 to be assembled in the rotor disk 8 as shown in the drawing, so that each bolt assembly jack 100 can correspond to one bolt 7 to be assembled to realize simultaneous jacking operation of a plurality of bolts 7. The actuating members 5 are simultaneously disposed toward the center of the rotor disk 8, respectively, as shown in fig. 7, to allow simultaneous pulling operations of the plurality of actuating members 5 from one place to achieve simultaneous pulling back of the ejector members 3 of the plurality of bolt-assembly jacks 100.
In one embodiment of the bolt-assembling system, the bolt-assembling jack 100 may be provided as one only, and the assembling work of the plurality of bolts 7 to be assembled in the circumferential direction is performed by moving the position of the bolt-assembling jack 100.
Another aspect of the present application provides a bolt assembling method for assembling bolts 7 in a rotor disk 8, which includes the following steps.
Referring to fig. 8 in combination with fig. 9, first, bolts are passed through the mounting holes 80 of the compressor disk drum.
Subsequently, bolt assembly jacks 100 are provided and placed in the compressor disk cavity 81 at positions corresponding to the bolts 7, and the structure of each bolt assembly jack 100 may be the same as that of the bolt assembly jack 100 in one or more of the foregoing embodiments, and will not be repeated here.
The driving member 2 of the bolt-assembling ejector 100 is then pushed so that the driving member 2 presses the ejector member 3 to the extended position to abut against the lower side of the bolt 7, as shown in fig. 8, at which time the bolt 7 extends outside the mounting hole 80 and is supported by the bolt-assembling ejector 100 while the stopper 4 restricts the movement of the driving member 2 and holds the ejector member 3 in the extended position.
A tightening tool is then provided to tighten the nut 6 onto the ejected bolt 7, completing the assembly of the ejected bolt 7.
After one assembly is completed, the driving member 2 is operated such that the ejector 3 falls, thereby allowing the bolt assembly ejector 100 to leave the compressor disk cavity 81 as shown in fig. 9.
The above operation is then repeated, and a plurality of bolts 7 in the circumferential direction of the compressor disk drum are assembled.
In one embodiment of the bolt assembly method, the bolt assembly jacking device 100 is one embodiment as described above, and further has an actuator 5. The bolt assembly method further comprises the following steps:
by pulling the actuating member 5, the ejector 3 is lowered, allowing the bolt-fitting ejector 100 to exit the compressor disk cavity 81. Specifically, by pulling one end of the actuating member 5 to pull the transmission member 2 out of the first hole 11, by releasing the other end of the actuating member 5 to drop the limiting pin 4 into the limiting groove 21 under the action of gravity, the other end of the actuating member 5 is pulled to pull the limiting pin 4 out of the limiting groove 21 under the action of pulling force. When the limiting pin 4 is pulled up from the limiting groove 21, one end of the actuating member 5 is pulled to pull the driving member 2 out of the first hole 11, and the ejection member 3 moves downward along the first matching inclined surface 20 and is retracted into the second hole 12 under the action of gravity, so that the bolt assembly ejector 100 is allowed to be taken out from the disc cavity 81.
In one embodiment of the bolt assembly method, the disc cavity 81 has an inlet 810 and a mounting cavity 811, wherein the height of the inlet 810 is less than the height of the mounting cavity 811 (see background art fig. 1). The bolt-fitting ejector 100 is configured such that when the ejector 3 protrudes from the second hole 12, the height of the bolt-fitting ejector 100 is the same as the height of the installation cavity 811, and when the ejector 3 is retracted into the second hole 12, the height of the bolt-fitting ejector 100 is smaller than the height at the inlet 810.
In one embodiment of the bolt assembly method, the number of bolt assembly jacks 100 may be a plurality as shown in fig. 7. In this embodiment, the step of operating the driving member 2 to drop the ejection member 3 includes:
by pulling the actuating member 5, the plurality of ejector members 3 can be simultaneously dropped, thereby allowing the bolt-assembly ejector 100 to exit the disc chamber 81.
In one embodiment of the bolt assembly method, the bolt assembly method further comprises:
after the bolt assembly of the preceding stage drum is completed, the bolt assembly jack 100 is placed on the web of the preceding stage drum to complete the assembly of the next stage drum.
The application has the advantages that one or the combination of the following steps:
by providing a transmission member and an ejector member that are bevel-fitted, a horizontal movement in a first direction can be converted into a vertical movement in a second direction when the transmission member is moved. Therefore, when the nut is screwed in the disc cavity, the horizontal movement can be converted into the vertical movement, so that one end, connected with the nut, of the bolt piece can be ejected out of the mounting hole, the invisible mounting position can be converted into the visible mounting position, convenience in bolt mounting is improved, and quick and accurate assembly of the bolt in a narrow space is realized.
While the application has been described in terms of preferred embodiments, it is not intended to be limiting, but rather to the application, as will occur to those skilled in the art, without departing from the spirit and scope of the application. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technical substance of the present application fall within the protection scope defined by the claims of the present application.
Claims (7)
1. A bolt assembly system for assembling bolts in a rotor disc comprising a bolt tightening tool, characterized by further comprising a bolt assembly ejector for ejecting bolts in a rotor disc cavity, the tightening tool for tightening the ejected bolts;
the bolt assembly jacking tool comprises:
the bracket is provided with a first hole formed in a first direction and a second hole formed in a second direction, and the first direction is perpendicular to the second direction;
the transmission piece is movably arranged in the first hole;
the ejection piece is movably arranged in the second hole; and
a limiting piece;
when the transmission piece moves along the first direction, the ejection piece is extruded by the transmission piece at the inclined plane matching position to extend out of the second hole, and the limiting piece limits the movement of the transmission piece at the extending position of the ejection piece;
the support is internally provided with a movable groove, the limiting piece is a limiting pin movably arranged in the movable groove, the transmission piece is provided with a limiting groove matched with the limiting pin, and the limiting groove is opposite to the limiting pin at the extending position;
the bolt assembly jacking tool further comprises an actuating piece, wherein the actuating piece is respectively connected with the transmission piece and the limiting piece, and the actuating piece is operated to enable the transmission piece to be pulled out of the first hole along the first direction; simultaneously, the actuating piece is operated to enable the limiting pin to enter the limiting groove or to be separated from the limiting groove;
the actuating piece is an actuating rope, a guide part is arranged in the bracket, one end of the actuating piece is connected with the transmission piece, and the other end of the actuating piece bypasses the guide part and is connected with the limiting pin.
2. The bolt-fitting system of claim 1, wherein the bracket has a first guide slot and a second guide slot therein, wherein at least one side of the driving member has a first protrusion, and wherein at least one side of the ejector member has a second protrusion;
the transmission piece is matched and connected with the first guide groove of the support through the first protruding portion, the ejection piece is matched and connected with the second guide groove of the support through the second protruding portion, the first guide groove is matched and guided with the first protruding portion to guide the moving direction of the transmission piece, and the second protruding portion is matched and guided with the second guide groove to guide the moving direction of the ejection piece.
3. The bolt-assembly system of claim 1, wherein the bolt-assembly system,
the bolt assembly system is used for assembling bolts at a plurality of positions in the circumferential direction of the rotor disc, and the number of bolt assembly jacks is the same as the number of positions, where the bolts are to be assembled, in the rotor disc.
4. A bolt assembling method, characterized in that bolts are assembled in a rotor disk using the bolt assembling system according to any one of claims 1 to 3, the bolt assembling method comprising the steps of:
passing bolts through mounting holes of the compressor drum;
providing bolt assembly jacks, placing the bolt assembly jacks in positions corresponding to bolts in a compressor disc cavity, wherein each bolt assembly jack comprises:
the bracket is provided with a first hole formed in a first direction and a second hole formed in a second direction, and the first direction is perpendicular to the second direction;
the transmission piece is movably arranged in the first hole;
the ejection piece is movably arranged in the second hole; and
a limiting piece;
when the transmission piece moves along the first direction, the ejection piece is extruded by the transmission piece at the inclined plane matching position to extend out of the second hole, and the limiting piece limits the movement of the transmission piece at the extending position of the ejection piece;
pushing the transmission piece to enable the ejection piece to move to the extending position so as to eject the bolt out of the mounting hole;
providing a tightening tool to tighten a nut on the ejected bolt;
operating the driving member to drop the ejector member to allow the bolt-assembly ejector to exit the disc cavity;
the above operation is repeated, and a plurality of bolts along the circumferential direction of the compressor disk drum are assembled.
5. The method of assembling a bolt according to claim 4, wherein,
the bolt assembly jacking tool comprises an actuating piece, wherein the actuating piece is respectively connected with the transmission piece and the limiting piece, the actuating piece is operated to enable the transmission piece to be pulled out of the first hole along the first direction, and meanwhile, the actuating piece is operated to enable the limiting pin to enter the limiting groove or be pulled out of the limiting groove;
the bolt assembly method comprises the following steps:
the actuating member is pulled to drop the ejector member, thereby allowing the bolt-fitting ejector to exit the disc cavity.
6. The method of assembling a bolt according to claim 5, wherein,
providing the same number of bolt assembly jacks as the number of bolts to be assembled in the rotor disk;
the operating the driving member to drop the ejector member includes:
the actuating member is pulled to simultaneously drop a plurality of the ejector members, thereby allowing the bolt assembly ejector to exit the disc cavity.
7. The method of bolt assembly of claim 4, further comprising:
and after the bolt assembly of the former-stage disc drum is completed, placing the bolt assembly jacking tool on a web plate of the next-stage disc drum so as to complete the assembly of the next-stage disc drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010994433.9A CN114248097B (en) | 2020-09-21 | 2020-09-21 | Bolt assembly system and bolt assembly method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010994433.9A CN114248097B (en) | 2020-09-21 | 2020-09-21 | Bolt assembly system and bolt assembly method |
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| CN114248097A CN114248097A (en) | 2022-03-29 |
| CN114248097B true CN114248097B (en) | 2023-09-15 |
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Citations (13)
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|---|---|
| CN114248097A (en) | 2022-03-29 |
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