CN216780964U - Bearing press-fitting machine with withdrawal device - Google Patents
Bearing press-fitting machine with withdrawal device Download PDFInfo
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- CN216780964U CN216780964U CN202123009126.XU CN202123009126U CN216780964U CN 216780964 U CN216780964 U CN 216780964U CN 202123009126 U CN202123009126 U CN 202123009126U CN 216780964 U CN216780964 U CN 216780964U
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- oil cylinder
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- press
- withdrawal
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Abstract
The utility model discloses a bearing press-mounting machine with a withdrawal device, which comprises a base, wheel pair supporting assemblies, the withdrawal device and side press-mounting assemblies, wherein the wheel pair supporting assemblies are fixed on the upper side of the middle part of the base and are used for supporting and positioning a wheel pair, the side press-mounting assemblies are two groups and are respectively and symmetrically fixedly arranged on the base on two sides of the wheel pair supporting assemblies and comprise oil cylinder supporting seats and two-stage press-mounting withdrawal oil cylinders, the oil cylinder supporting seats are vertically supported on the side surfaces of the wheel pair supporting assemblies, the two-stage press-mounting withdrawal oil cylinders are fixedly arranged on the oil cylinder supporting seats, the rod ends of pistons horizontally extend towards the side of the wheel pair supporting assemblies, and the withdrawal device is arranged on a large piston rod of the two-stage press-mounting withdrawal oil cylinder and is used for withdrawing a bearing at the end part of the wheel pair. The bearing press-mounting machine with the withdrawal device effectively realizes press-mounting and withdrawal integrated installation of the wheel set bearing, reduces consumption of manpower and time caused by a separation process, effectively improves press-mounting withdrawal efficiency, and is high in practicability.
Description
Technical Field
The utility model relates to a bearing press-mounting device with a withdrawal device, and relates to the technical field of press-mounting withdrawal equipment for a rail train wheel set bearing.
Background
Along with the continuous improvement of the running speed of railways, the requirements on the manufacturing and assembling precision of wheel pairs are higher and higher, and the corresponding requirements on related equipment are higher and higher.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the bearing press-fitting device with the withdrawing device can effectively improve press-fitting withdrawing efficiency.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model provides a take bearing pressure equipment machine of withdrawal device, includes base, wheel set supporting component, withdrawal device and side pressure equipment subassembly, the wheel set supporting component is fixed at base middle part upside and is used for the support and the location of wheel set, side pressure equipment subassembly is two sets of and respectively the fixed mounting of symmetry just including hydro-cylinder supporting seat, doublestage pressure equipment withdrawal hydro-cylinder on the base of wheel set supporting component both sides, the support that the hydro-cylinder supporting seat was erect is in wheel set supporting component side, doublestage pressure equipment withdrawal hydro-cylinder fixed mounting on the hydro-cylinder supporting seat and the horizontal concertina movement of piston rod end towards wheel set supporting component side, withdrawal device installs on the big piston rod of doublestage pressure equipment withdrawal hydro-cylinder and is used for withdrawing the bearing of wheel set tip.
Preferably, the cylinder body of the double-stage press-fitting and detaching oil cylinder is fixed on the oil cylinder supporting seat, the double-stage piston rods of the double-stage press-fitting and detaching oil cylinder are arranged towards one side of the wheel pair, the end part of the small piston rod of the double-stage press-fitting and detaching oil cylinder is provided with a detachable jacking head, and the jacking head is opposite to and coaxial with the end part of the roller of the wheel pair.
Preferably, the withdrawing device comprises an installation seat plate, a pulling and grabbing mechanism, an oil cylinder installation seat plate and a pulling and grabbing oil cylinder, wherein an installation hole for allowing the end part of a large piston rod of the two-stage press-mounting withdrawing and unloading oil cylinder to pass through is formed in the middle of the installation seat plate, the installation seat plate is detachably fixed at the end part of the large piston rod, the oil cylinder installation seat plate is connected to the upper end of the installation seat plate and vertically arranged, the tail end of a cylinder body of the pulling and grabbing oil cylinder is movably connected with the edge of the upper end of the oil cylinder installation seat plate through a pin shaft, the end part of a piston rod of the pulling and grabbing oil cylinder is movably connected with the pulling and grabbing mechanism, the pulling and grabbing mechanism is movably connected with the installation seat plate and freely swings relative to the installation seat plate, and the pulling and grabbing mechanism pulls out a bearing at the end part of a roller shaft of the wheel under the driving of the large piston rod.
As preferred, draw the grabbing mechanism including drawing grabbing arm and arm-tie, draw the grabbing arm to set up to two and all set up to the L type, including riser and diaphragm, the upper end of riser is through round pin axle swing joint in the side edge middle part position of mounting panel, then relative mounting panel free sector swing, and it has the mounting groove to open on the free end of diaphragm sets up and its inboard face towards the rear side of installation bedplate, the mounting groove of two diaphragms is arranged in and is fixed to the plate body left and right sides edge of arm-tie, and it has semicircular opening to open on the front side of arm-tie, and semicircular open-ended diameter is less than the external diameter of bearing and is greater than the external diameter of wheel pair roller bearing, the middle part plate body upside of riser is equipped with the spliced pole, and the spliced pole passes through round pin axle swing joint with the piston rod end portion that draws the lift cylinder.
Preferably, the opening edge of the pulling plate is provided with a step groove which is matched with the inner step surface when the bearing is installed.
Preferably, a horizontally arranged bearing bracket is connected to the lower end edge of the mounting seat plate.
Preferably, a supporting column is arranged on the front side of the edge of the upper end of the oil cylinder mounting seat plate, and the supporting column is movably connected with the tail end of the cylinder body of the lifting oil cylinder through a pin shaft.
Preferably, a displacement detection device for detecting the displacement of the oil cylinder is arranged on the side face of the oil cylinder supporting seat, the displacement detection device and the withdrawal device are located at the same horizontal position, a horizontal cross rod is arranged on a detection probe of the displacement detection device, and one end of the horizontal cross rod is connected and fixed with the side edge of the installation seat plate.
Compared with the prior art, the utility model has the advantages that: the bearing press-mounting machine with the withdrawal device is simple in structure, convenient to install, manufacture, operate and use, capable of effectively achieving press-mounting and withdrawal integrated installation of the wheel pair bearing, reducing consumption of manpower and time caused by a separation process, effectively improving press-mounting and withdrawal efficiency, and high in practicability.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a perspective view of one of the side withdrawal devices of the present invention as it is being withdrawn;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a perspective view of the withdrawal device of the present invention as installed;
fig. 4 is a perspective view of the withdrawal device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention:
as shown in fig. 1 to 3, a bearing press-mounting machine with a withdrawal device comprises a base 1, a wheel pair supporting assembly 2, a withdrawal device and a side press-mounting assembly, wherein the wheel pair supporting assembly is fixed on the upper side of the middle of the base and used for supporting and positioning a wheel pair 3, in the embodiment, the wheel pair supporting assembly is the same as the supporting assembly of the existing bearing press-mounting machine in structure, and the requirement on supporting and positioning the wheel pair is met.
The side press-mounting assemblies are two groups and are respectively and symmetrically fixedly arranged on the bases at two sides of the wheel set supporting assembly and comprise an oil cylinder supporting seat 4 and a two-stage press-mounting unloading oil cylinder 5, the oil cylinder supporting seats are vertically supported at the side of the wheel set supporting assembly, the two-stage press-mounting unloading oil cylinders are fixedly arranged on the oil cylinder supporting seats, the end parts of piston rods of the two-stage press-mounting unloading oil cylinders extend horizontally and telescopically towards the side of the wheel set supporting assembly, in the embodiment, in order to improve the driving stability, the cylinder bodies of the two-stage press-mounting unloading oil cylinders are fixed on the oil cylinder supporting seats, the two-stage piston rods of the two-stage press-mounting unloading oil cylinders are all arranged towards one side of a wheel set, the end parts of small piston rods 501 of the two-stage press-mounting unloading oil cylinders are provided with detachable jacking heads 6, the jacking heads are opposite to and coaxially arranged with the end parts of rolling shafts 7 of the wheel set, therefore, the small piston rods are pushed by the two-stage press-mounting unloading oil cylinders to extend out and lean against and tightly jack the end parts of the rolling shafts of the wheel set rolling shafts, therefore, the large piston rod 502 can drive the press-mounting mechanism or the dismounting device to carry out the press-mounting or dismounting action process of the bearing at the end part of the roller shaft conveniently, and the device is convenient, quick and high in stability.
The withdrawing device is arranged on a large piston rod of the two-stage press-mounting withdrawing oil cylinder and is used for withdrawing a bearing 8 at the end part of a wheel pair, in the embodiment, for facilitating installation and improving withdrawing stability, as shown in figure 4, the withdrawing device comprises an installation base plate 9, a pulling and grabbing mechanism, an oil cylinder installation base plate 10 and a pulling oil cylinder 11, wherein the middle part of the installation base plate is provided with an installation hole 12 for the end part of the large piston rod of the two-stage press-mounting withdrawing oil cylinder to pass through, the installation base plate is detachably fixed at the end part of the large piston rod, the oil cylinder installation base plate is connected at the upper end of the installation base plate and is vertically arranged, the tail end part of a cylinder body of the pulling oil cylinder is movably connected with the upper end edge of the oil cylinder installation base plate through a pin shaft, when in actual application, the pulling oil cylinders are arranged to be two and oppositely connected at the front side of the oil cylinder installation base plate, further, in the embodiment, in order to improve the installation stability of the pulling oil cylinder, a support column is arranged on the front side of the edge of the upper end of the oil cylinder mounting seat plate, and the support column is movably connected with the tail end of the cylinder body of the lifting oil cylinder through a pin shaft; the end part of a piston rod of the pulling oil cylinder is movably connected with a pulling and grabbing mechanism, the pulling and grabbing mechanism is movably connected with the installation base plate and freely swings relative to the installation base plate, and the pulling and grabbing mechanism pulls out a bearing at the end part of the wheel pair roller under the driving of a large piston rod. And then, the pulling oil cylinder drives the pulling and grabbing mechanism to move, the process that the pulling and grabbing mechanism enters and exits the unloading station is realized, and the pulling and grabbing mechanism can be driven to pull out and unload the bearing through the telescopic motion of the large oil cylinder piston rod, so that the unloading process of the bearing is completed.
In this embodiment, for further convenience draw the mechanism to realize moving back and unload the action to the bearing, draw the mechanism to include and draw grabbing arm 19 and arm-tie 13, draw the arm-tie to set up to two and all set up to the L type, including riser and diaphragm, the side edge middle part position of mounting panel is passed through round pin axle swing joint in the upper end of riser, then relative mounting panel free fan-shaped swing, the free end of diaphragm sets up and opens on its inboard face towards the rear side of installation bedplate has the mounting groove, the mounting groove of two diaphragms is arranged in and is fixed in to the plate body left and right sides edge of arm-tie, and it has semicircular opening 14 to open on the front side of arm-tie, and semicircular open diameter is less than the external diameter of bearing and is greater than the external diameter of wheel pair roller bearing, the plate body middle part upside of riser is equipped with the spliced pole, and the piston rod end portion through round pin axle swing joint with the lifting cylinder. Further, in order to improve the stability of the dismounting process, the opening edge of the pulling plate is provided with a step groove 15 which is matched with the inner side step surface when the bearing is installed, so that when the pulling plate enters the dismounting position, the step groove of the opening on the pulling plate is attached to the inner side step surface when the bearing is installed, and the stability of the bearing when the bearing is dismounted is improved.
In order to further improve the stability of the bearing during the dismounting process, the lower end edge of the mounting seat plate is connected with a horizontally arranged bearing bracket 16, so that the bearing during the dismounting process is conveniently supported.
In this embodiment, for the convenience to doublestage pressure equipment withdrawal oil cylinder displacement monitoring to make things convenient for its operation of system control, the side of hydro-cylinder supporting seat is equipped with the displacement detection device 17 that is used for detecting the hydro-cylinder displacement, displacement detection device adopt the market in use take displacement sensor detection device can, it is connected with the control system who controls the pressure equipment machine operation, displacement detection device and withdrawal device are in same horizontal position and are equipped with horizontal pole 18 on its test probe, a tip of horizontal pole is fixed with the side edge connection of installation bedplate, displacement detection device monitoring horizontal pole's displacement volume can obtain the displacement of hydro-cylinder.
In practical application, the operation of each part structure is controlled by a master control system, after the oil cylinder is connected into an oil cylinder pipeline, in the press-fitting process, the two-stage press-fitting and unloading oil cylinders on two sides drive the end part of a small piston rod to press against the two end parts of a roller shaft by a press-fitting and pressing head jacking wheel, then the top end of a large piston rod drives a press-fitting assembly or directly presses a bearing by the head part of the top end, so that the bearing is pressed and fixed on the end part of the roller shaft, thereby completing the press-fitting process, in the unloading process, firstly, an unloading device is installed, the top end of the large piston rod passes through a mounting hole and is fixedly connected with a mounting base plate, a pulling and grabbing arm is positioned at the lower side of the small piston rod, then the two-stage press-fitting and unloading oil cylinders on two sides drive the end part of the small piston rod to press against the two end parts of the roller shaft by the same time, then the large piston rod is controlled to extend towards the end of the roller shaft until the unloading station preset by the system, then a pulling and lifting oil cylinder is controlled to drive the pulling and grabbing arm to lift up to the horizontal position, open-ended step groove on the arm-drag of arm-drag is leaned on with the inboard step face laminating of bearing this moment, then control big piston rod drive mount pad and arm-drag toward retrieving to contract, drive the arm-drag then and pull out the bearing from the roller bearing and move back to accomplish and move back the process of unloading, move back the completion back, if the pressure equipment again of needs, need not dismantle the dismounting device and can carry out the bearing pressure equipment, convenient and fast and practicality height.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a take withdrawal device's bearing pressure equipment machine which characterized in that: including base, wheel set supporting component, withdrawal device and side pressure equipment subassembly, the wheel set supporting component is fixed at base middle part upside and is used for the support and the location of wheel set, side pressure equipment subassembly is two sets of and respectively the fixed mounting of symmetry just including hydro-cylinder supporting seat, doublestage pressure equipment withdrawal hydro-cylinder on the base of wheel set supporting component both sides, the support that the hydro-cylinder supporting seat was erect is in wheel set supporting component side, doublestage pressure equipment withdrawal hydro-cylinder fixed mounting on the hydro-cylinder supporting seat and tailpiece of the piston rod towards wheel set supporting component side horizontal concertina movement, withdrawal device installs on the big tailpiece of the piston rod of doublestage pressure equipment withdrawal hydro-cylinder and is used for withdrawing the bearing of unloading wheel set tip.
2. The bearing press-fitting machine with the withdrawal device as claimed in claim 1, wherein: the cylinder body of the double-stage press-fitting and unloading oil cylinder is fixed on the oil cylinder supporting seat, double-stage piston rods of the double-stage press-fitting and unloading oil cylinder are arranged towards one side of the wheel pair, a detachable jacking head is arranged at the end part of a small piston rod of the double-stage press-fitting and unloading oil cylinder, and the jacking head and the rolling shaft end part of the wheel pair are oppositely and coaxially arranged.
3. The bearing press-fitting machine with the withdrawal device as claimed in claim 2, wherein: the withdrawing device comprises an installation seat plate, a pulling and grabbing mechanism, an oil cylinder installation seat plate and a pulling and lifting oil cylinder, wherein the middle part of the installation seat plate is provided with an installation hole for the end part of a large piston rod of the double-stage press-fitting withdrawing oil cylinder to pass through, the installation seat plate is detachably fixed at the end part of the large piston rod, the oil cylinder installation seat plate is connected to the upper end of the installation seat plate and vertically arranged, the tail end part of a cylinder body of the pulling and lifting oil cylinder is movably connected with the upper end edge of the oil cylinder installation seat plate through a pin shaft, the end part of a piston rod of the pulling and grabbing mechanism is movably connected with the pulling and grabbing mechanism, the pulling and grabbing mechanism is movably connected with the installation seat plate and freely swings relative to the installation seat plate, and the pulling and grabbing mechanism pulls out a bearing at the end part of a wheel set roller under the driving of the large piston rod.
4. The bearing press-fitting machine with the withdrawal device as claimed in claim 3, wherein: the utility model discloses a wheel set roller bearing, including the mounting panel, the mounting panel is installed the bedplate, and the mounting panel is installed the bedplate, and the plate body middle part upside of riser is equipped with the spliced pole, and the spliced pole passes through round pin axle swing joint with the piston rod tip that draws the lift cylinder, and the upper end of riser sets up to two and all sets up to the L type, and the mounting groove has been opened on the rear side setting of relative mounting panel free fan-shaped swing, the free end of diaphragm and its inboard face, the plate body left and right sides edge of riser is arranged in the mounting groove of two diaphragms and is fixed, and it has semicircular opening to open on the front side of riser, and semicircular opening's diameter is less than the external diameter of bearing and is greater than the external diameter of wheel set roller bearing.
5. The bearing press-fitting machine with the withdrawal device as claimed in claim 4, wherein: and the edge of the opening of the pulling plate is provided with a step groove which is matched with the step surface on the inner side when the bearing is installed.
6. The bearing press-fitting machine with the withdrawal device as claimed in claim 3, wherein: and the lower end edge of the mounting seat plate is connected with a horizontally arranged bearing bracket.
7. The bearing press-fitting machine with the withdrawal device as claimed in claim 3, wherein: the front side of the edge of the upper end of the oil cylinder mounting seat plate is provided with a support column, and the support column is movably connected with the tail end of the cylinder body of the lifting oil cylinder through a pin shaft.
8. The bearing press-fitting machine with the withdrawal device as claimed in claim 3, wherein: the side of the oil cylinder supporting seat is provided with a displacement detection device for detecting the displacement of the oil cylinder, the displacement detection device and the unloading device are positioned at the same horizontal position, a detection probe of the displacement detection device is provided with a horizontal cross rod, and one end part of the horizontal cross rod is fixedly connected with the side edge of the mounting seat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123009126.XU CN216780964U (en) | 2021-12-02 | 2021-12-02 | Bearing press-fitting machine with withdrawal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123009126.XU CN216780964U (en) | 2021-12-02 | 2021-12-02 | Bearing press-fitting machine with withdrawal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216780964U true CN216780964U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123009126.XU Active CN216780964U (en) | 2021-12-02 | 2021-12-02 | Bearing press-fitting machine with withdrawal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216780964U (en) |
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2021
- 2021-12-02 CN CN202123009126.XU patent/CN216780964U/en active Active
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