CN110919596A - Bush press-fitting device - Google Patents
Bush press-fitting device Download PDFInfo
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- CN110919596A CN110919596A CN202010002228.XA CN202010002228A CN110919596A CN 110919596 A CN110919596 A CN 110919596A CN 202010002228 A CN202010002228 A CN 202010002228A CN 110919596 A CN110919596 A CN 110919596A
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- support rod
- bushing
- press
- hole
- fitting device
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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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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Abstract
The invention provides a bushing press-fitting device which is used for installing a first bushing and/or a second bushing in a containing hole of a brake hanging seat and comprises a support rod group, a stop plate and a press-fitting assembly, wherein the support rod group is fixedly connected with the first bushing; at least part of the support rod group is used for penetrating into the accommodating hole; the stop plate is arranged on the support rod group and used for stopping the first bushing; the pressing component is arranged on the support rod group and used for stopping the second bushing; the pressing assembly and the stop plate are arranged at intervals, so that the brake hanging seat is clamped between the pressing assembly and the stop plate after at least part of the support rod group passes through the accommodating hole; the pressure-actuated assembly is movably connected with the support rod group, so that when the pressure-actuated assembly moves along the direction close to the braking hanging seat, the stop plate and the pressure-actuated assembly are relatively close to each other, the first bushing and/or the second bushing are/is quickly and accurately extruded in the accommodating hole, and the assembly efficiency between the first bushing and/or the second bushing and the braking hanging seat is effectively improved.
Description
Technical Field
The invention relates to the field of vehicle assembly, in particular to a bushing press-fitting device.
Background
The brake hanging seat bushing of the standard motor train unit is made of nylon materials, and is knocked into a brake hanging seat hole of the framework by using a nylon hammer or pressed into the brake hanging seat hole of the framework by using a self-made tool during original installation.
During installation, the lining is hammered into the brake shoe hole of the frame by using a nylon hammer, and the lining is easily skewed during operation to damage the nylon sleeve.
When the original press-fitting tool is used for press-fitting, the end face of the nylon sleeve is not easy to be close to the end face of the frame brake lifting seat hole to generate a gap, so that the mounting quality is influenced.
Therefore, the original installation method has the problems of complicated steps and low installation efficiency, and the accurate operation of the hammering part has certain difficulty and high labor intensity.
Disclosure of Invention
The invention mainly aims to provide a bushing press-fitting device to solve the problem of low assembly efficiency between a bushing and a brake hanging seat in the prior art.
In order to achieve the above object, the present invention provides a bushing press-fitting device for mounting a first bushing and/or a second bushing in a receiving hole of a brake shoe, the bushing press-fitting device comprising: the support rod group is at least partially arranged in the accommodating hole in a penetrating manner; the stop plate is arranged on the support rod group and used for stopping the first bushing; the pressing component is arranged on the support rod group and used for stopping the second bushing; the pressing assembly and the stop plate are arranged at intervals, so that the brake hanging seat is clamped between the pressing assembly and the stop plate after at least part of the support rod group passes through the accommodating hole; the brake hanger comprises a support rod group, a pressing assembly and a stop plate, wherein the pressing assembly is movably connected with the support rod group, so that when the pressing assembly moves in a direction close to the brake hanger, the stop plate and the pressing assembly are relatively close to each other to press the first bushing and/or the second bushing into the accommodating hole.
Further, the pressure-actuated assembly includes: the connecting block is matched with the supporting rod group so as to enable the pressing component to move along the extending direction of the supporting rod group; and the stop block is used for stopping the second bushing and is connected with the connecting block so as to move along the support rod group under the driving of the connecting block.
Further, the support rod group is provided with a first external thread section, and the connecting block is provided with a first threaded hole matched with the first external thread section, so that the connecting block can move along the support rod group through the thread matching between the support rod group and the connecting block.
Furthermore, the stop block is annular, and the stop block is sleeved on the support rod group and arranged at intervals with the support rod group.
Furthermore, the support rod group comprises a first support rod and a second support rod which are mutually connected, and the first support rod and the second support rod are coaxially arranged; the first supporting rod penetrates through the accommodating hole, and the pressing component is connected with the second supporting rod.
Further, the outer diameter of the first support rod is larger than that of the second support rod, so that the second bushing is connected with the first support rod and arranged at an interval with the second support rod.
Furthermore, the second supporting rod is provided with a communicating hole, the bushing press-fitting device further comprises a connecting rod, and one end of the connecting rod penetrates through the communicating hole and then is connected with the first supporting rod.
Further, the communication hole comprises a first hole section and a second hole section, and the diameter of the first hole section is larger than that of the second hole section; the connecting rod includes the main pole body and limit flange, and the second hole section is worn to establish by at least part of the main pole body, and limit flange is located first hole section.
Furthermore, a second threaded hole is formed in the first supporting rod, and a second external thread is formed in the connecting rod, so that the first supporting rod is in threaded connection with the connecting rod.
Further, a bearing is arranged between at least part of the connecting rod and the inner wall of the communication hole in a clamping mode.
Furthermore, the pressing assembly is in threaded connection with the second supporting rod, and the bushing pressing device further comprises a rocking handle which is connected with the second supporting rod so as to drive the second supporting rod to rotate.
Further, the bush press-fitting device further comprises a locking nut, the rocking handle comprises a first rod body and a second rod body which are vertically arranged, and one end of the second rod body is matched with the locking nut after penetrating through the second supporting rod.
By applying the technical scheme of the invention, the bushing press-fitting device is used for installing the first bushing and/or the second bushing in the accommodating hole of the brake hanging seat, and comprises a support rod group, a stop plate and a press-moving assembly; at least part of the support rod group is used for penetrating into the accommodating hole; the stop plate is arranged on the support rod group and used for stopping the first bushing; the pressing component is arranged on the support rod group and used for stopping the second bushing; the pressing assembly and the stop plate are arranged at intervals, so that the brake hanging seat is clamped between the pressing assembly and the stop plate after at least part of the support rod group passes through the accommodating hole; the brake hanger comprises a support rod group, a pressing assembly and a stop plate, wherein the pressing assembly is movably connected with the support rod group, so that when the pressing assembly moves in a direction close to the brake hanger, the stop plate and the pressing assembly are relatively close to each other to press the first bushing and/or the second bushing into the accommodating hole. Through the interaction among the support rod group, the pressing assembly and the stop plate, the first bushing and/or the second bushing can be quickly and accurately extruded into the accommodating hole, the assembly efficiency between the first bushing and/or the second bushing and the brake hanging seat is effectively improved, and the problem of low assembly efficiency between the bushing and the brake hanging seat in the prior art is solved; in addition, the bushing press-fitting device is simple to operate and convenient to use, and cannot cause any damage to the first bushing and/or the second bushing.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a bushing press-fitting apparatus according to an embodiment of the bushing press-fitting apparatus of the present invention; and
fig. 2 shows a schematic illustration of the stop plate of the bushing press-fitting device of fig. 1.
Wherein the figures include the following reference numerals:
10. a bushing press-fitting device;
11. a connecting rod; 112. a limiting flange; 113. a main rod body;
12. a stopper plate; 121. an assembly hole;
13. a set of support rods; 131. a first support bar; 132. a second support bar;
14. pressing the component; 141. connecting blocks; 142. a stop block;
15. a rocking handle; 151. a first rod body; 152. a second rod body;
16. locking the nut; 17. an annular groove; 171. a blocking groove surface; 18. a bearing; 19. a fastener;
21. a first bushing; 211. a first bushing body; 212. a first bushing plate;
22. a second bushing; 221. a second bushing body; 223. a second bushing plate; 224. a second liner section; 225. a fourth liner section;
30. a brake hanging seat; 31. an accommodation hole.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The invention provides a bushing press-fitting device 10, referring to fig. 1 and 2, the bushing press-fitting device 10 is used for installing a first bushing 21 and/or a second bushing 22 in a receiving hole 31 of a brake hanging seat 30, and the bushing press-fitting device 10 comprises a support rod group 13, a stop plate 12 and a press-moving assembly 14; at least a part of the support rod group 13 is used for penetrating into the accommodating hole 31; a stopper plate 12 provided on the support rod group 13 for stopping the first bush 21; the pressing assembly 14 is arranged on the support rod group 13 and used for stopping the second bushing 22; the pressing assembly 14 is arranged at a distance from the stop plate 12, so that the brake hanging seat 30 is clamped between the pressing assembly 14 and the stop plate 12 after at least part of the support rod group 13 passes through the accommodating hole 31; wherein the pressing assembly 14 is movably connected with the support rod set 13 such that when the pressing assembly 14 moves in a direction approaching the brake hanger 30, the stopper plate 12 and the pressing assembly 14 approach each other relatively to press the first bushing 21 and/or the second bushing 22 into the receiving hole 31.
In the bushing press-fitting device 10, the first bushing 21 and/or the second bushing 22 can be quickly and accurately pressed in the accommodating hole 31 through the interaction among the support rod group 13, the press-fitting assembly 14 and the stop plate 12, so that the assembly efficiency between the first bushing 21 and/or the second bushing 22 and the brake hanging seat 30 is effectively improved, and the problem of low assembly efficiency between the bushing and the brake hanging seat in the prior art is solved; in addition, the bushing press-fitting device 10 is simple to operate and convenient to use, and does not cause any damage to the first bushing 21 and/or the second bushing 22.
In the initial state, the initial distance is kept between the pressing assembly 14 and the stop plate 12, and the pressing assembly 14 can be moved towards the direction approaching the stop plate 12 by operating the support rod set 13, that is, the pressing assembly 14 and the stop plate 12 approach each other, so that the second bushing 22 is moved towards the accommodating hole 31 of the brake hanger 30 under the pushing action of the pressing assembly 14 until the second bushing 22 is squeezed in the accommodating hole 31; the first bush 21 moves toward the receiving hole of the brake hanger 30 by the pushing action of the stopper plate 12 until the first bush 21 is pressed into the receiving hole 31; finally, after the first bush 21 and/or the second bush 22 is pressed into the receiving hole 31, the operation of the strut bar group 13 is stopped.
It should be noted that the length of the support rod group 13 mentioned above is the length of the support rod group 13 along the extending direction thereof.
Specifically, the pressing assembly 14 includes a connecting block 141 and a stop block 142, the connecting block 141 cooperates with the support rod set 13 to move the pressing assembly 14 along the extending direction of the support rod set 13, and under the cooperation between the connecting block 141 and the support rod set 13, the connecting block 141 and the support rod set 13 can move relatively, that is, the pressing assembly 14 can move along the extending direction thereof relative to the support rod set 13; the stop block 142 is used for stopping the second bushing 22, and the stop block 142 is connected to the connecting block 141 to move along the extending direction of the support rod group 13 under the driving of the connecting block 141.
In order to realize the mutual matching between the connection block 141 and the support rod set 13, the support rod set 13 has a first external thread section, i.e., an external thread is provided at the first external thread section of the support rod set 13, and the connection block 141 has a first threaded hole matched with the first external thread section, i.e., an inner wall of the first threaded hole is provided with an internal thread matched with the first external thread section, so that the connection block 141 moves along the support rod set 13 by the thread matching between the support rod set 13 and the connection block 141. That is, when the support rod group 13 is rotated relative to the connection block 141 by operating the support rod group 13, due to the threaded engagement between the connection block 141 and the support rod group 13, at this time, under the interaction between the external thread of the first external thread section of the support rod group 13 and the internal thread of the first threaded hole of the connection block 141, the connection block 141 drives the stop block 142 to move toward the direction close to the stop plate 12, that is, the pressing assembly 14 and the stop plate 12 approach each other. Alternatively, when the support rod set 13 is rotated counterclockwise, the connecting block 141 drives the stop block 142 to move toward the stop plate 12.
In this embodiment, the stop block 142 is annular, and the stop block 142 is sleeved on the support rod group 13 and spaced from the support rod group 13; even if the stopper 142 can move relative to the support rod group 13.
In order to make the overall structure of the pressing assembly 14 more compact, the connecting block 141 is annular, an inner wall of an annular hole of the connecting block 141 is provided with an internal thread to form the first threaded hole, and the connecting block 141 is sleeved on the support rod group 13 and located at the first external thread section; the end face of the stopper 142 remote from the stopper plate 12 is recessed inward to form an annular groove 17, and the annular groove 17 communicates with the annular hole of the stopper 142 so that the connecting piece 141 is fitted in the annular groove 17. Optionally, the inner diameter of the annular hole of the stop block 142 is larger than that of the annular hole of the connecting block 141, so that the stop block 142 is spaced apart from the support rod group 13; the end face of the connecting block 141 away from the stop plate 12 is in the same plane as the end face of the stop block 142 away from the stop plate 12.
Specifically, the support bar group 13 includes a first support bar 131 and a second support bar 132 connected to each other, the first support bar 131 and the second support bar 132 being coaxially disposed; the first support rod 131 is inserted into the receiving hole 31, and the pressing component 14 is connected to the second support rod 132.
In a specific implementation process, the second support rod 132 has the first external thread section, and the connection block 141 is sleeved on the second support rod 132 and located at the first external thread section of the second support rod 132; the stop block 142 is sleeved on the second support bar 132 and arranged at an interval with the second support bar 132; at least a portion of the first support rod 131 is inserted into the receiving hole 31 and spaced apart from the brake hanger 30. Alternatively, the first support rod 131 and the second support rod 132 are both cylindrical rods, and the receiving hole 31 is a cylindrical hole.
In order to press the second bushing 22 into the receiving hole 31 when the pressing member 14 moves toward the brake hanger 30, the outer diameter of the first support rod 131 is larger than the outer diameter of the second support rod 132, so that the second bushing 22 is connected to the first support rod 131 and spaced apart from the second support rod 132.
In a specific implementation process, the second bushing 22 is annular, the second bushing 22 is located between the pressing assembly 14 and the brake hanging seat 30, the second bushing 22 includes a second bushing body 221 and a second bushing plate 223, the second bushing body 221 is connected to the second bushing plate 223, the second bushing body 221 is configured to penetrate through the accommodating hole 31, a plate surface of the second bushing plate 223 facing the stopper block 142 is in contact with a wall surface of the stopper block 142 facing the second bushing 22, and a plate surface of the second bushing plate 223 facing the brake hanging seat 30 is configured to be in contact with an outer wall of the brake hanging seat 30; when the pressing assembly 14 moves towards the direction approaching the brake hanging seat 30, the pressing assembly 14 can push the second bushing 22 to move towards the brake hanging seat 30, so as to press the second bushing body 221 into the accommodating hole 31 until the surface of the second bushing plate 223 facing the brake hanging seat 30 is in contact with the outer wall of the brake hanging seat 30, and at this time, the second bushing plate 223 is completely pressed in the accommodating hole 31. Optionally, the second bushing body 221 is an annular sleeve and the second bushing plate 223 is an annular plate.
The second bushing body 221 includes a second bushing section 224 and a fourth bushing section 225, the second bushing section 224 is sleeved on the second support rod 132 and is spaced from the second support rod 132, the fourth bushing section 225 is sleeved on the first support rod 131, and an inner wall of the fourth bushing section 225 is in contact with at least a portion of an outer wall of the first support rod 131, so that the fourth bushing section 225 is connected with the first support rod 131. The minimum distance between the outer wall of the first support strut 131 and the inner wall of the receiving hole 31 of the brake hanger 30 is equal to the thickness of the second bushing body 221 so that the second bushing body 221 can be pressed into the receiving hole 31.
In order to press the first bushing 21 into the accommodating hole 31 when the stop plate 12 moves towards the direction close to the brake hanging seat 30, the first bushing 21 is located between the stop plate 12 and the brake hanging seat 30, the first bushing 21 comprises a first bushing body 211 and a first bushing plate 212, the first bushing body 211 is used for penetrating into the accommodating hole 31, and the surface of the first bushing plate 212 facing the brake hanging seat 30 is used for being in contact with the outer wall of the brake hanging seat 30; alternatively, the first bushing body 211 is an annular sleeve, the first bushing plate 212 is an annular plate, and the thickness of the first bushing body 211 is equal to that of the second bushing body 221, so that the first bushing body 211 can be pressed into the receiving hole 31. When the stop plate 12 moves towards the direction approaching the brake hanging seat 30, the stop plate 12 can push the first bushing 21 to move towards the brake hanging seat 30, so as to press the first bushing body 211 into the accommodating hole 31 until the surface of the first bushing plate 212 facing the brake hanging seat 30 is in contact with the outer wall of the brake hanging seat 30, and at this time, the first bushing 21 is completely pressed into the accommodating hole 31.
In this embodiment, in order to realize the assembly between the stopper plate 12 and the first support rod 131, an annular groove 17 is concavely provided at an end of the first support rod 131 away from the second support rod 132, the stopper plate 12 has an assembly hole 121, and the stopper plate 12 is sleeved on the first support rod 131 through the assembly hole 121 and is located in the annular groove 17; the annular groove 17 has a catch groove surface 171, and by moving the first support rod 131 in the direction from the stop plate 12 to the pressing member 14, when the catch groove surface 171 abuts against the stop plate 12 and contacts with the stop plate 12 in the abutting manner, the stop plate 12 can generate thrust to the first bush 21 to push the first bush 21 to move in the direction toward the brake hanger seat 30, so as to press the first bush 21 into the accommodation hole 31 during the movement of the stop plate 12 in the direction toward the brake hanger seat 30.
In order to facilitate the disassembly and assembly of the stop plate 12, the assembly hole 121 penetrates through the outer wall of the stop plate 12; optionally, the stopper plate 12 is a circular plate.
In order to realize the assembly between the first support rod 131 and the second support rod 132, the bushing press-fitting device 10 further includes a connecting rod 11, the second support rod 132 has a communicating hole, and one end of the connecting rod 11 passes through the communicating hole and then is connected with the first support rod 131; that is, the first support rod 131 and the second support rod 132 are connected by the connecting rod 11.
Specifically, the first support rod 131 is provided with a second threaded hole, that is, the inner wall of the second threaded hole is provided with a second internal thread, the connecting rod 11 is provided with a second external thread, and the first support rod 131 and the connecting rod 11 are connected through the mutual matching of the second external thread and the second internal thread, so that the first support rod 131 and the connecting rod 11 are fixed to each other. Alternatively, the second threaded hole communicates with the communication hole.
Specifically, the communication hole comprises a first hole section and a second hole section, and the diameter of the first hole section is larger than that of the second hole section; the connecting rod 11 includes a main rod body 113 and a limit flange 112, the limit flange 112 is located in the first hole section, at least a portion of the main rod body 113 is inserted into the second hole section, and the rest of the main rod body 113 is inserted into the second threaded hole of the first supporting rod 131.
In the embodiment, the bearing 18 is interposed between the connecting rod 11 and the inner wall of the communication hole, that is, during the rotation of the second support rod 132, the connecting rod 11 does not rotate along with the second support rod 132, and the connecting rod 11 is screwed with the first support rod 131, so that the first support rod 131 does not rotate. Alternatively, the connecting rod 11 is inserted into the communicating hole and spaced from the second support rod 132, and a plurality of spherical bearings are disposed between the wall surface of the limit flange 112 close to the main rod body 113 and the inner wall surface of the first hole section of the communicating hole, and the plurality of spherical bearings are spaced around the axial direction of the connecting rod 11.
In a specific implementation process, in order to make the assembly between the connecting rod 11 and the first supporting rod 131 more stable, the connecting rod 11 and the first supporting rod 131 are relatively fixed by the fastener 19 penetrating through the connecting rod 11 and the first supporting rod 131.
In order to facilitate the operation of the support rod set 13, the bushing press-fitting device 10 further includes a rocking handle 15, and the rocking handle 15 is connected with the second support rod 132 to drive the second support rod 132 to rotate; this enables the operator who operates to realize the rotation of the set of support rods 13 with relative ease, and is relatively labor-saving.
In order to realize the assembly between the rocking handle 15 and the second support rod 132, the bushing press-fitting device 10 further comprises a lock nut 16, the rocking handle 15 comprises a first rod body 151 and a second rod body 152 which are vertically arranged, and one end of the second rod body 152 passes through the second support rod 132 and then is matched with the lock nut 16; the first rod 151 is used for a worker to serve as a handle of the worker.
In a specific implementation process, a rotating hole is formed in the end part, far away from the first support rod 131, of the second support rod 132, an annular cushion block is arranged in the rotating hole, the outer wall surface of the annular cushion block is in fit contact with the inner wall surface of the rotating hole, and the second rod body 152 penetrates through the annular hole of the annular cushion block; the end of the second rod 152 facing the lock nut 16 is provided with a third external thread, so that the second rod 152 is screwed with the lock nut 16 by the third external thread matching with the third internal thread of the lock nut 16, so that the second rod 152 and the second support rod 132 are relatively fixed.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
in the bushing press-fitting apparatus 10 of the present invention, the bushing press-fitting apparatus 10 is used to install the first bushing 21 and/or the second bushing 22 in the receiving hole 31 of the brake hanger 30, and the bushing press-fitting apparatus 10 includes a support rod group 13, a stopper plate 12, and a press-fitting assembly 14; at least a part of the support rod group 13 is used for penetrating into the accommodating hole 31; a stopper plate 12 provided on the support rod group 13 for stopping the first bush 21; the pressing assembly 14 is arranged on the support rod group 13 and used for stopping the second bushing 22; the pressing assembly 14 is arranged at a distance from the stop plate 12, so that the brake hanging seat 30 is clamped between the pressing assembly 14 and the stop plate 12 after at least part of the support rod group 13 passes through the accommodating hole 31; wherein the pressing assembly 14 is movably connected with the support rod set 13 such that when the pressing assembly 14 moves in a direction approaching the brake hanger 30, the stopper plate 12 and the pressing assembly 14 approach each other relatively to press the first bushing 21 and/or the second bushing 22 into the receiving hole 31. Through the interaction among the support rod group 13, the pressing assembly 14 and the stop plate 12, the first bushing 21 and/or the second bushing 22 can be quickly and accurately pressed in the accommodating hole 31, the assembly efficiency between the first bushing 21 and/or the second bushing 22 and the brake hanging seat 30 is effectively improved, and the problem of low assembly efficiency between the bushing and the brake hanging seat in the prior art is solved; in addition, the bushing press-fitting device 10 is simple to operate and convenient to use, and does not cause any damage to the first bushing 21 and/or the second bushing 22.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A bush press-fitting device for fitting a first bush (21) and/or a second bush (22) in a receiving hole (31) of a brake spider (30), the bush press-fitting device comprising:
a support rod group (13), at least part of the support rod group (13) is used for penetrating into the accommodating hole (31);
a stop plate (12), the stop plate (12) being arranged on the support bar group (13) for stopping the first bushing (21);
a pressing component (14), wherein the pressing component (14) is arranged on the supporting rod group (13) and is used for stopping the second bushing (22); the pressing assembly (14) and the stop plate (12) are arranged at intervals, so that the braking hanging seat (30) is clamped between the pressing assembly (14) and the stop plate (12) after at least part of the support rod group (13) passes through the accommodating hole (31);
wherein the pressing assembly (14) is movably connected with the support rod group (13) so that when the pressing assembly (14) moves along the direction close to the brake hanging seat (30), the stop plate (12) and the pressing assembly (14) are relatively close to squeeze the first bushing (21) and/or the second bushing (22) into the accommodating hole (31).
2. A bushing press-fitting device according to claim 1, wherein said pressing assembly (14) comprises:
the connecting block (141) is matched with the supporting rod group (13) so as to enable the pressing component (14) to move along the extending direction of the supporting rod group (13);
a stop block (142), wherein the stop block (142) is used for stopping the second bushing (22), and the stop block (142) is connected with the connecting block (141) so as to move along the support rod group (13) under the driving of the connecting block (141).
3. A bushing press-fitting device according to claim 2, wherein said support rod set (13) has a first externally threaded section, and said connecting block (141) has a first threaded hole which is engaged with said first externally threaded section, so as to enable movement of said connecting block (141) along said support rod set (13) by threaded engagement between said support rod set (13) and said connecting block (141).
4. A bushing press-fitting device according to claim 2, wherein said stopper (142) is ring-shaped, and said stopper (142) is fitted over said support rod set (13) and spaced from said support rod set (13).
5. A bushing press-fitting device according to claim 1, wherein said support rod group (13) includes a first support rod (131) and a second support rod (132) connected to each other, said first support rod (131) and said second support rod (132) being coaxially disposed; the first supporting rod (131) penetrates through the accommodating hole (31), and the pressing component (14) is connected with the second supporting rod (132).
6. A bushing press-fitting device according to claim 5, wherein an outer diameter of said first support rod (131) is larger than an outer diameter of said second support rod (132) so that said second bushing (22) is connected to said first support rod (131) and spaced from said second support rod (132).
7. A bush press-fitting device according to claim 5, wherein the second support rod (132) has a communication hole, and the bush press-fitting device further comprises a connecting rod (11), and one end of the connecting rod (11) is connected to the first support rod (131) after passing through the communication hole.
8. A bushing press-fitting device according to claim 7, wherein said communication hole includes a first hole section and a second hole section, a diameter of said first hole section being larger than a diameter of said second hole section; the connecting rod (11) comprises a main rod body (113) and a limiting flange (112), at least part of the main rod body (113) penetrates through the second hole section, and the limiting flange (112) is located in the first hole section.
9. A bushing press-fitting device according to claim 7, wherein said first support rod (131) is provided with a second threaded hole, and said connecting rod (11) is provided with a second external thread, so that said first support rod (131) and said connecting rod (11) are threadedly connected.
10. A bush press-fitting device according to claim 7, wherein a bearing (18) is interposed between at least a part of the connecting rod (11) and an inner wall of the communication hole.
11. The bushing press-fitting device according to claim 5, wherein the press-fitting component (14) is in threaded connection with the second support rod (132), the bushing press-fitting device further comprises a rocking handle (15), and the rocking handle (15) is connected with the second support rod (132) to drive the second support rod (132) to rotate.
12. A bushing press-fitting device according to claim 11, wherein the bushing press-fitting device further comprises a lock nut (16), the rocking handle (15) comprises a first rod body (151) and a second rod body (152) which are vertically arranged, and one end of the second rod body (152) passes through the second support rod (132) and then is matched with the lock nut (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010002228.XA CN110919596A (en) | 2020-01-02 | 2020-01-02 | Bush press-fitting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010002228.XA CN110919596A (en) | 2020-01-02 | 2020-01-02 | Bush press-fitting device |
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| CN110919596A true CN110919596A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010002228.XA Pending CN110919596A (en) | 2020-01-02 | 2020-01-02 | Bush press-fitting device |
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|---|---|---|---|---|
| GB2269881A (en) * | 1992-08-15 | 1994-02-23 | Roy Higgins | Bushes |
| KR200440944Y1 (en) * | 2007-12-10 | 2008-07-10 | 삼흥정공 주식회사 | device for installing a bush |
| CN202763769U (en) * | 2012-07-31 | 2013-03-06 | 徐州徐工挖掘机械有限公司 | Bushing dismounting device for excavator working mechanism |
| CN104325433A (en) * | 2014-10-24 | 2015-02-04 | 山东能源机械集团中传重装矿用设备制造有限公司 | Disassembly device and disassembly method for fluid coupling |
| CN105196241A (en) * | 2015-09-24 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Bushing press-fit bolt and press-fit method thereof |
| CN207564413U (en) * | 2017-10-31 | 2018-07-03 | 河南柴油机重工有限责任公司 | A kind of dismantling device of camshaft bush of diesel engine |
| CN109397188A (en) * | 2018-10-31 | 2019-03-01 | 中核核电运行管理有限公司 | A kind of impressed current anode sheath withdrawing device and its application method |
| CN110561342A (en) * | 2019-09-20 | 2019-12-13 | 西安聚行机电科技发展有限公司 | high-interference retention bushing reinforced mounting and dismounting method |
-
2020
- 2020-01-02 CN CN202010002228.XA patent/CN110919596A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2269881A (en) * | 1992-08-15 | 1994-02-23 | Roy Higgins | Bushes |
| KR200440944Y1 (en) * | 2007-12-10 | 2008-07-10 | 삼흥정공 주식회사 | device for installing a bush |
| CN202763769U (en) * | 2012-07-31 | 2013-03-06 | 徐州徐工挖掘机械有限公司 | Bushing dismounting device for excavator working mechanism |
| CN104325433A (en) * | 2014-10-24 | 2015-02-04 | 山东能源机械集团中传重装矿用设备制造有限公司 | Disassembly device and disassembly method for fluid coupling |
| CN105196241A (en) * | 2015-09-24 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Bushing press-fit bolt and press-fit method thereof |
| CN207564413U (en) * | 2017-10-31 | 2018-07-03 | 河南柴油机重工有限责任公司 | A kind of dismantling device of camshaft bush of diesel engine |
| CN109397188A (en) * | 2018-10-31 | 2019-03-01 | 中核核电运行管理有限公司 | A kind of impressed current anode sheath withdrawing device and its application method |
| CN110561342A (en) * | 2019-09-20 | 2019-12-13 | 西安聚行机电科技发展有限公司 | high-interference retention bushing reinforced mounting and dismounting method |
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Application publication date: 20200327 |