CN110962071A - Hanging shaft press-fit tool of hanging bracket - Google Patents
Hanging shaft press-fit tool of hanging bracket Download PDFInfo
- Publication number
- CN110962071A CN110962071A CN201911379742.9A CN201911379742A CN110962071A CN 110962071 A CN110962071 A CN 110962071A CN 201911379742 A CN201911379742 A CN 201911379742A CN 110962071 A CN110962071 A CN 110962071A
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- Prior art keywords
- hanger
- shaft
- guide
- hanging
- press
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- 238000003780 insertion Methods 0.000 claims abstract description 15
- 230000037431 insertion Effects 0.000 claims abstract description 15
- 230000036544 posture Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 239000004636 vulcanized rubber Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a hanger shaft press-fit tool of a hanger. The device comprises a bottom plate, a guide shaft block fixedly arranged on the bottom plate and a supporting block fixedly arranged on the bottom plate, wherein two guide posts provided with guide pressure plates are arranged on the supporting block, a press-mounting block is fixedly arranged on the lower end surface of the guide pressure plate and provided with an insertion groove, a pair of symmetrically-arranged U-shaped grooves is arranged on the side wall of the insertion groove, the lower end of a hanging shaft extends into a hanging shaft supporting seat and then can enter the insertion groove through a mounting hole at the upper end of the hanging shaft, and the mounting hole at the upper end of the hanging shaft is limited through a limiting pin connected in series in the U-shaped grooves. The advantages are that: structural design is ingenious, convenient operation, and safe and reliable guarantees at rubber resilience in-process, need not the position and the angle of artificial intervention hanging spindle, and the pressure equipment gesture of assurance hanging spindle and gallows that can be fine for the pressure equipment is more high-efficient convenient, avoids simultaneously hanging the spindle because the dismantlement that the pressure deviation leads to repeatedly, leads to hanging spindle vulcanized rubber to damage so that scrap.
Description
Technical Field
The invention relates to a hanger assembly auxiliary tool of a brake clamp for a railway vehicle, in particular to a hanger shaft press-fit tool of a hanger, and belongs to the technical field of mechanical tool fixtures.
Background
When a hanger of a brake clamp for a railway vehicle is used for mounting a hanger shaft, the surface of the hanger shaft is vulcanized and the appearance of the hanger shaft is generally a smooth transition curved surface, so the vulcanized surface of the hanger shaft is easy to damage when the hanger shaft is pressed and the hanger shaft are required to be kept vertical when being mounted, after the pressing and the mounting are finished, the requirement on the parallelism of two mounting holes of the hanger shaft and mounting holes of a hanger bush is met, and the pressing and the mounting difficulty is high due to the resilience characteristic and the non-guidance property of vulcanized rubber; the conventional hanger comprises a rib plate, a left upper arm 201 and a right upper arm 201 which are arranged at the upper end of the rib plate, a left lower arm 202 and a right lower arm 202 which are arranged at the lower end of the rib plate, and a hanger shaft supporting seat 203 which is arranged at one side of the left upper arm 201 and the right upper arm 201 and is positioned at the outer side of the rib plate, the hanging shaft comprises a main body section, a rubber layer coated outside the main body section and mounting holes arranged at the left side and the right side of the main body section as shown in figure 6, in the prior art, the installation holes of the hanger shaft and the hanger bush are generally drawn and pressed by manpower, although the hanging shaft can be pressed by manpower, the hanging shaft is difficult to be pressed and mounted at one time to meet the requirement of mounting posture, the hanging shaft with certain magnitude of interference which is pressed and biased is often required to be pressed and pressed out, after repeated pressing and mounting for a plurality of times, the requirement of installation posture is met, vulcanized rubber on the surface of the hanging shaft is easy to damage, the hanging shaft is seriously scrapped, and the method is labor-consuming and easy to cause cost increase.
Disclosure of Invention
The invention aims to solve the technical problem of providing a hanger shaft press-fit tool of a hanger, which has the advantages of convenient operation, high operation efficiency and low labor intensity and can ensure that a hanger shaft can keep a correct installation posture in the whole press-fitting process.
In order to solve the technical problem, the hanging shaft press-fitting tool of the hanging bracket comprises a bottom plate, at least one pair of guide shaft blocks fixedly arranged on the bottom plate and used for supporting the upper arm and the lower arm on one side of the hanging bracket, and a supporting block fixedly arranged on the bottom plate and used for supporting the lower end face of a hanging shaft supporting seat of the hanging bracket, wherein the supporting block is provided with two guide posts provided with a guide pressing plate, the lower end face of the guide pressing plate is fixedly provided with a press-fitting block corresponding to the position of the hanging shaft supporting seat, the press-fitting block is provided with an insertion groove used for inserting one end of the hanging shaft, the side wall of the insertion groove is provided with a pair of symmetrically arranged U-shaped grooves, the lower end of the hanging shaft extends into the hanging shaft supporting seat and then can enter the insertion groove through the mounting hole at the upper end of the hanging shaft, and the mounting hole at the upper end of the hanging shaft is limited through a limiting pin connected in series in the U-shaped grooves, so that the assembly is carried out under the condition that the press-fitting postures of the hanging shaft and the hanging bracket are ensured.
The width of the U-shaped groove is the same as the aperture of the mounting hole on the hanging shaft, and the diameter of the insertion groove of the press fitting block can enable the hanging shaft to freely move in the U-shaped groove.
The distance between the outer end faces of the pair of guide shaft blocks is smaller than the distance between the upper arm and the lower arm of the hanger on the same side of the hanger.
The upper arm and the lower arm of the hanger correspond to the through holes in the guide shaft block in position and can be connected with guide shafts in series.
The supporting block is provided with two guide pillar supports, and the guide pillars are arranged on the guide pillar supports.
The guide post is sleeved with a sliding sleeve capable of sliding up and down along the guide post, and the guide pressure plate is installed on the sliding sleeve.
The rubber part of the hanging shaft is coated with soapy water.
The bottom plate is provided with two pairs of guide shaft blocks which are symmetrically arranged respectively, the two pairs of guide shaft blocks can support the upper arm and the lower arm on one side of one hanger respectively, and a hanger shaft supporting seat of any hanger can be arranged on the supporting block.
The invention has the advantages that:
because the base is provided with at least one pair of guide shaft blocks, the supporting block and two guide posts which are provided with the guide pressing plates and arranged on the supporting block, after the lower end surface of the guide pressing plate is provided with the press mounting block, two relatively independent parts of the hanger and the hanging shaft can be established to be fixed in the whole press mounting process by using the guide shaft and the limiting pin respectively, so that the hanging shaft can be kept in the correct mounting posture in the whole press mounting process to be pressed with the hanger, thereby the tool which can meet the requirements of the mounting posture by one-time press mounting is provided, the tool has the advantages of ingenious structural design, convenient operation, safety and reliability, in addition, the U-shaped groove structure is adopted, the press mounting postures of the hanging shaft and the hanger can be well ensured in the rubber rebounding process without manually intervening the position and angle of the hanging shaft, the press mounting is more efficient and convenient, and the repeated disassembly of the hanging shaft caused by, resulting in the damage to the hanger shaft vulcanized rubber to the point of scrapping.
Drawings
FIG. 1 is a schematic perspective view of a hanger shaft press-fit tool of the hanger of the present invention;
FIG. 2 is a schematic structural view of a hanger shaft press-fit tool of the hanger of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional view D-D of FIG. 2;
FIG. 4 is a schematic top view of a hanger shaft press-fitting tool of the hanger of the present invention;
FIG. 5 is a schematic view of the cross-sectional structure E-E of FIG. 2;
FIG. 6 is a schematic view of the hanger;
fig. 7 is a schematic structural view of the hanger shaft.
Wherein: 1. the device comprises a base plate, 2, guide shafts, 3, guide shaft blocks, 4, linear guide shafts, 5, supporting blocks, 6, guide shaft supports, 7, inner hexagonal socket head cap screws M6 multiplied by 16, 8, a movable pressing plate, 9, a guide ring, 10, inner hexagonal socket head cap screws M10 multiplied by 30, 11, a sliding sleeve, 12, press-fitting blocks with U-shaped grooves, 13, limiting pins, 14, hanging shafts, 20, hanging frames, 201, hanging frame upper arms, 202, hanging frame lower arms, 203 and hanging shaft supporting seats 203.
Detailed Description
The hanger spindle press-fit tool of the present invention will be described in further detail with reference to the accompanying drawings and the detailed description, wherein for a detailed description of the hanger spindle press-fit tool of the hanger of the present embodiment, a structural diagram of an uninstalled state and a structural diagram of an installed state of the hanger spindle 14 are provided, and for convenience of description, structural parts of the hanger 20 are generally defined.
As shown in the figure, the hanging shaft press-fit tool of the hanging bracket comprises a bottom plate 1, two pairs of guide shaft blocks 3 fixedly arranged on the bottom plate 1 and a supporting block 5 fixedly arranged on the bottom plate 1, as can be seen from the figure, the bottom plate 1 is a cuboid steel plate and plays a role of supporting the whole tool, the guide shaft blocks 3 are arranged along the edge of the bottom plate 1 by using hexagon socket head cap screws 10, every two guide shaft blocks 3 are arranged in a pair in a matching way, the distance between the outer end surfaces of the matched guide shaft blocks 3 is slightly smaller than the distance between an upper arm 201 and a lower arm 202 of the hanging bracket 20, bushing holes with the same diameter are respectively arranged on the upper arm 201 and the lower arm 202 of the hanging bracket 20, meanwhile, through holes with the same diameter as that of the bushing holes of the hanging bracket 20 are arranged on each guide shaft block 3, the upper arm 201 and the lower arm 202 of the hanging bracket 20 correspond to the through holes on each guide shaft block 3 and can be connected with guide shafts 2, the hangers 20 can be conveniently connected and separated from the paired guide shaft blocks 3 by plugging, the support block 5 is connected to the bottom plate 1 by using the hexagon socket head cap screws 10, so that each pair of guide shaft blocks 3 can support the upper arm 201 and the lower arm 202 on one side of one hanger 20, the support block 5 is positioned beside the two pairs of guide shaft blocks 3 and can be used for supporting on the lower end surface of the hanger support seat 203 of any hanger, the height of the support block 5 needs to ensure that the lower end surface of the hanger support seat 203 of the hanger 20 is attached to the paired guide shaft block 3 by the guide shaft 2, the attachment gap of the lower end surface of the hanger support seat 203 of the hanger 20 is 0.2mm, the width of the support block 5 needs to ensure that the lower end surface of the hanger support seat 203 of the hanger 20 is completely within the press-mounting range and centered, the press-mounting stability is ensured, the support block 5 is provided with two guide pillar supports 6, the guide post 4 is sleeved with a sliding sleeve 11 capable of sliding up and down along the guide post, a guide pressure plate 8 is arranged on the sliding sleeve 11, as can be seen from the figure, 2 guide post supports 6 are connected on a supporting block 5 by using an inner hexagonal socket head cap screw 7, the guide post 4 is arranged in the guide post support 6, the sliding sleeve 11 is sleeved on 2 guide posts 4, the sliding sleeve 11 can slide up and down along the guide post 4, the guide pressure plate 8 is arranged on 2 sliding sleeves by using the inner hexagonal socket head cap screw 7, so that the guide pressure plate 8 can slide up and down along the guide post 4 under the pressure-mounting effect, a pressure-mounting block 12 corresponding to the position of the hanging shaft support seat 203 is fixedly arranged on the lower end surface of the guide pressure plate 8 by using the inner hexagonal socket head cap screw 7, the pressure-mounting block 12 is provided with an insertion groove for inserting one end of the hanging shaft 14, a pair of symmetrically arranged U-shaped grooves is arranged on the side wall of the insertion groove, the lower end of, the mounting hole at the upper end of the hanging shaft 14 is limited by a limiting pin 13 which is serially connected in a U-shaped groove, the width of the U-shaped groove is the same as the aperture of the mounting hole on the hanging shaft 14, meanwhile, the diameter of an insertion groove of the press-fitting block 12 can enable the hanging shaft 14 to freely move in the U-shaped groove, during press-fitting, the upper end of the hanging shaft 14 enters the insertion groove of the press-fitting block 12 with the U-shaped groove and is connected with the mounting hole of the hanging shaft 14 through the limiting pin 13, the limiting pin 13 moves up and down in the U-shaped groove of the press-fitting block 12 to limit the relative position relation between the hanging shaft 14 and the hanging bracket 20, along with the press-fitting, the limiting pin 13 only moves down in the U-shaped groove, the parallel position relation between the mounting hole of the hanging shaft 14 and the bushing mounting hole of the hanging bracket 20 is not changed all the,
furthermore, the bottom plate 1 only plays a role in supporting and connecting, light weight processing such as grooving, drilling and the like can be selected according to the size of the press mounting table, and when the hanging shaft 14 is pressed, soapy water can be coated on the rubber part of the hanging shaft 14 so as to reduce the press mounting resistance.
Furthermore, the guide ring 9 needs to be continuously pressed after the pressing of the hanging shaft 14 is finished, and during the pressing, the guide ring 9 can be sleeved on the hanging shaft 14 in an empty mode to serve as a visual reference for judging whether the pressing of the hanging shaft 14 is in place or not, so that the pressing and observation are facilitated.
The principle is as follows:
during press fitting, the tool is placed on a press fitting table, the side of the hanger 20 is placed on the tool, then the hanger bush mounting hole and the guide shaft block 3 are connected through the guide shaft 2, the hanger shaft supporting seat 203 of the hanger 20 is placed on the supporting block 5, the hanger shaft 14 is coated with a thin layer of soapy water, one end of the thin soapy water is placed in the hanger shaft supporting seat 203 mounting hole of the hanger 20, when the other end of the hanger shaft 14 enters the U-shaped groove in the press fitting block 12, the hanger shaft 14 is manually rotated, the limiting pin 13 is connected with the mounting hole of the hanger shaft 14 through the U-shaped groove, so that the relative position relation between the hanger shaft 14 and the hanger 20 is determined by the tool, then the hanger shaft is slowly pressed downwards, the press head can be lifted upwards during press fitting in consideration of resilience of rubber, the resilience of the rubber is released for a plurality of times, the press fitting is repeated until the press fitting is in place, and the limiting pin 13 only moves, the parallelism position relationship between the mounting hole of the hanger shaft 14 and the mounting hole of the hanger 20 bushing is not affected all the time during the press-fitting process.
Claims (8)
1. The utility model provides a hanging shaft press-fit tool of gallows which characterized in that: the lifting mechanism comprises a bottom plate (1), at least one pair of guide shaft blocks (3) fixedly arranged on the bottom plate (1) and used for supporting an upper arm (201) and a lower arm (202) on one side of a hanger (20), and a support block (5) fixedly arranged on the bottom plate (1) and used for supporting the lower end face of a hanger support seat (203) of the hanger, wherein two guide posts (4) provided with guide pressing plates (8) are arranged on the support block (5), a press-fitting block (12) corresponding to the position of the hanger support seat (203) is fixedly arranged on the lower end face of each guide pressing plate (8), the press-fitting block (12) is provided with an insertion groove for inserting one end of a hanger shaft (14), the side wall of the insertion groove is provided with a pair of symmetrically arranged U-shaped grooves, the lower end of the hanger shaft (14) extends into the hanger support seat (203) and then can enter into the insertion groove at the mounting hole at the, the mounting hole at the upper end of the hanging shaft (14) is limited by a limiting pin (13) serially connected in the U-shaped groove, so that the assembly is carried out under the condition of ensuring the press-fitting postures of the hanging shaft and the hanging bracket.
2. The hanger shaft press-fit tool of claim 1, wherein: the width of the U-shaped groove is the same as the aperture of the mounting hole on the hanging shaft (14), and the diameter of the insertion groove of the press-fitting block (12) enables the hanging shaft (14) to move freely therein.
3. The hanger spindle press-fit tool of claim 1 or 2, wherein: the distance between the outer end faces of the pair of guide shaft blocks (3) is smaller than the distance between an upper arm (201) and a lower arm (202) of the hanger (20) on the same side.
4. The hanger shaft press-fit tool of claim 3, wherein: the guide shaft device is characterized in that bushing holes with the same hole diameter are formed in the upper arm (201) and the lower arm (202) of the hanger (20), through holes with the same hole diameter as the bushing holes are formed in the guide shaft block (3), and the upper arm (201) and the lower arm (202) of the hanger (20) correspond to the through holes in the guide shaft block (3) and can be connected with the guide shaft (2) in series.
5. The hanger spindle press-fit tool of claim 1, 2 or 4, wherein: two guide pillar supports (6) are arranged on the supporting block (5), and the guide pillars (4) are installed on the guide pillar supports (6).
6. The hanger press hanging shaft fitting tool as claimed in claim 5, wherein: the guide post (4) is sleeved with a sliding sleeve (11) capable of sliding up and down along the guide post, and the guide pressure plate (8) is installed on the sliding sleeve (11).
7. The hanger spindle press-fit tool of claim 1, 2, 4 or 6, wherein: the rubber part of the hanging shaft (14) is coated with soapy water.
8. The hanger shaft press-fit tool of claim 7, wherein: the bottom plate (1) is provided with two pairs of guide shaft blocks (3) which are symmetrically arranged respectively, the two pairs of guide shaft blocks (3) can support an upper arm (201) and a lower arm (202) on one side of one hanger respectively, and a hanger shaft supporting seat (203) of any one hanger can be arranged on a supporting block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911379742.9A CN110962071A (en) | 2019-12-27 | 2019-12-27 | Hanging shaft press-fit tool of hanging bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911379742.9A CN110962071A (en) | 2019-12-27 | 2019-12-27 | Hanging shaft press-fit tool of hanging bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110962071A true CN110962071A (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911379742.9A Pending CN110962071A (en) | 2019-12-27 | 2019-12-27 | Hanging shaft press-fit tool of hanging bracket |
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| Country | Link |
|---|---|
| CN (1) | CN110962071A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202200258U (en) * | 2011-09-16 | 2012-04-25 | 中国北车集团大同电力机车有限责任公司 | Press mounting tool for drawbars of axle boxes |
| CN104043959A (en) * | 2014-06-20 | 2014-09-17 | 蒋彩英 | Press fitting tool for assembling traction rod of railway vehicle |
| CN107443047A (en) * | 2017-08-27 | 2017-12-08 | 浙江工业大学 | A kind of automobile control arm front lining press-fitting tool |
| CN108705284A (en) * | 2018-07-10 | 2018-10-26 | 上汽通用五菱汽车股份有限公司 | A kind of preceding lower swing arm back bush press-loading apparatus |
| CN212192960U (en) * | 2019-12-27 | 2020-12-22 | 镇江市高等专科学校 | Hanging shaft press-fit tool of hanging bracket |
-
2019
- 2019-12-27 CN CN201911379742.9A patent/CN110962071A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202200258U (en) * | 2011-09-16 | 2012-04-25 | 中国北车集团大同电力机车有限责任公司 | Press mounting tool for drawbars of axle boxes |
| CN104043959A (en) * | 2014-06-20 | 2014-09-17 | 蒋彩英 | Press fitting tool for assembling traction rod of railway vehicle |
| CN107443047A (en) * | 2017-08-27 | 2017-12-08 | 浙江工业大学 | A kind of automobile control arm front lining press-fitting tool |
| CN108705284A (en) * | 2018-07-10 | 2018-10-26 | 上汽通用五菱汽车股份有限公司 | A kind of preceding lower swing arm back bush press-loading apparatus |
| CN212192960U (en) * | 2019-12-27 | 2020-12-22 | 镇江市高等专科学校 | Hanging shaft press-fit tool of hanging bracket |
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