CN110625363B - Lightweight integrated hub unit with low friction seal assembly - Google Patents
Lightweight integrated hub unit with low friction seal assembly Download PDFInfo
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- CN110625363B CN110625363B CN201910934369.2A CN201910934369A CN110625363B CN 110625363 B CN110625363 B CN 110625363B CN 201910934369 A CN201910934369 A CN 201910934369A CN 110625363 B CN110625363 B CN 110625363B
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- hub unit
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- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims 2
- 239000003921 oil Substances 0.000 description 19
- 238000009434 installation Methods 0.000 description 16
- 230000006872 improvement Effects 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 206010063659 Aversion Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a light-weight integrated hub unit with a low-friction sealing assembly, which comprises a mounting frame, a shifting mechanism for shifting the hub unit and a transmission shaft, a first clamping mechanism and a second clamping mechanism for respectively clamping the hub unit and the transmission shaft, an oil seal for sealing the hub unit, a first air cylinder for pushing the transmission shaft to be matched with the hub unit, and a pushing mechanism for pushing the oil seal to be matched with the hub unit, wherein the shifting mechanism, the first air cylinder, the pushing mechanism, the first clamping mechanism and the second clamping mechanism are arranged on the mounting frame, the mounting frame is a rectangular frame, the shifting mechanism comprises a first motor, a first lead screw, a first guide rod, a second guide rod, a third guide rod, a first connecting rod, a second connecting rod, a sleeve rod and a fourth guide rod, the first motor is arranged on the side wall of the mounting frame, and the output shaft of the first motor is horizontally arranged and parallel to the length direction of the mounting frame.
Description
Technical Field
The invention relates to the technical field of hub units, in particular to a lightweight integrated hub unit with a low-friction sealing assembly.
Background
The hub bearing is a part applied to an automobile axle for bearing and providing accurate guide for the rotation of a hub, bears axial load and radial load, is an important component of automobile load and rotation, is formed by combining two sets of tapered roller bearings or ball bearings, and is installed, oiled, sealed and adjusted in play on an automobile production line. This structure makes it difficult, with high costs, the reliability poor in the assembly of automobile manufacturing factory, and when the car was maintained at the repair site, still need wash, fat liquoring and adjustment to the bearing.
Disclosure of Invention
To address the deficiencies of the prior art, it is an object of the present invention to provide a lightweight integrated hub unit with a low friction seal assembly.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A lightweight integrated hub unit with a low friction seal assembly and method of operating the same, comprising:
mounting bracket, be used for carrying out the aversion mechanism that shifts to wheel hub unit, transmission shaft, be used for carrying out first fixture, the second fixture of centre gripping to wheel hub unit, transmission shaft respectively, be used for to the sealed oil blanket of wheel hub unit, be used for promoting transmission shaft and wheel hub unit complex cylinder one, be used for promoting oil blanket and wheel hub unit complex pushing mechanism, aversion mechanism, cylinder one, pushing mechanism, first fixture, second fixture install on the mounting bracket.
As a further improvement of the present invention, the mounting frame is a rectangular frame, the displacement mechanism includes a first motor, a first lead screw, a first guide rod, a second guide rod, a third guide rod, a first connecting rod, a second connecting rod, a loop rod, and a fourth guide rod, the first motor is mounted at the side wall of the mounting frame, and an output shaft of the first motor is horizontally arranged and parallel to the length direction of the mounting frame, one end of the first lead screw is coaxially and fixedly connected with an output shaft end of the first motor, the other end of the first lead screw is movably connected with the side wall of the mounting frame, the first guide rod and the second guide rod are horizontally arranged at one side of the first lead screw and parallel to the first lead screw, the first clamping mechanism is slidably sleeved on the first guide rod through a sliding sleeve and is in threaded connection with the first lead screw, the third guide rod is horizontally arranged at one side of the first guide rod and parallel to the first guide rod, one end of the sleeve rod is sleeved on the second guide rod, the other end of the sleeve rod is sleeved on the third guide rod, an inserting groove is horizontally formed in the length direction of the sleeve rod, a sliding sleeve on the first clamping mechanism is positioned in the inserting groove of the sleeve rod, the fourth guide rods are horizontally arranged on the side wall of the mounting frame, two fourth guide rods are arranged in parallel, one fourth guide rod is arranged on one side wall of the mounting frame, the other fourth guide rod is arranged on the other side wall of the mounting frame, the fourth guide rod is perpendicular to the third guide rod, the first connecting rod and the second connecting rod are sleeved on the fourth guide rods, one end of the first connecting rod and one end of the second connecting rod are sleeved on the fourth guide rod, the other end of the first connecting rod and the other end of the second connecting rod are sleeved on the other fourth guide rod, and the fourth guide rod is provided with a spring, one end of the spring is abutted against the end part of the second connecting rod, the other end of the spring is abutted against the end part of the fourth guide rod, the second clamping mechanism is also slidably sleeved on the first connecting rod and the second connecting rod through the sliding sleeve, and the sliding sleeve on the second clamping mechanism is also positioned in the insertion groove of the sleeve rod.
As a further improvement of the present invention, the first clamping mechanism and the second clamping mechanism have the same structure and each include an installation shell, a second motor, a second lead screw, a first clamping block and a second clamping block, the installation shell is a rectangular shell, the installation shell is respectively sleeved on the first guide rod and the first connecting rod through sliding sleeves, the second motor is installed at the bottom of the installation shell, an output shaft of the second motor is parallel to the length direction of the installation shell, one end of the second lead screw is coaxially and fixedly connected with an output shaft end of the second motor, the other end of the second lead screw is movably connected with a side wall of the installation shell, the first clamping block and the first clamping block are sleeved on the second lead screw and are in threaded connection with the second lead screw, and the second lead screw is a bidirectional lead screw.
As a further improvement of the invention, an installation plate for installing the first air cylinder is arranged on the installation frame, a push rod of the first air cylinder penetrates through the side wall of the installation frame and extends into the frame body of the installation frame, and when the shifting mechanism moves the hub unit and the transmission shaft to be close to the air cylinder, the push rod of the first air cylinder abuts against the end part of the transmission shaft and can push the transmission shaft to move towards the direction close to the hub unit.
As a further improvement of the invention, the pushing mechanism comprises a lower pushing assembly and an upper pushing assembly, the upper pushing assembly comprises a fifth guide rod and an upper pushing plate, the fifth guide rod is horizontally arranged on the mounting frame, the fifth guide rod is parallel to the transmission shaft, the upper pushing plate is movably sleeved on the fifth guide rod, the bottom of the upper pushing plate is close to the wall part of the transmission shaft, a spring is sleeved on the fifth guide rod, one end of the spring is abutted against the upper pushing plate, the other end of the spring is abutted against the end part of the fifth guide rod, the lower pushing assembly comprises a pushing plate, a pushing sheet, a second air cylinder, a limiting block, a lower pushing block and a splicing column, the pushing plate is fixedly sleeved on the pushing rod of the first air cylinder, a bearing plate is arranged at the bottom of the pushing plate, the pushing sheet is arranged on the pushing plate, the second air cylinder is arranged below the pushing plate, the limiting block is arranged at the end part of the second air cylinder, the lower pushing block is arranged on the, the lower push block on vertically be provided with the slider, the stopper on be provided with and constitute sliding fit's spout with the slider, the tip of push jack be the slope and arrange, the top of lower push block be provided with the grafting post, the bottom of last push pedal be provided with the grafting hole of grafting post assorted, when lower push block along the direction rebound of the spout on the stopper, the grafting post of lower push block bottom is pegged graft with the grafting hole of last push pedal bottom and is cooperated.
As a further improvement of the invention, a lubricating oil tank is mounted on the mounting frame, and an oil outlet of the lubricating oil tank is provided with rollers.
As a further improvement of the invention, the bottom of the mounting rack is provided with a guide block which is arranged obliquely, and when the shifting mechanism shifts the transmission shaft, the oil seal is contacted with the inclined surface of the guide block.
Compared with the prior art, the invention has the advantages that the hub unit and the transmission shaft can be synchronously moved in the using process, the coaxiality of the hub unit and the transmission shaft is ensured, the end part of the transmission shaft can be lubricated, the stable matching between the transmission shaft and the hub unit is ensured, and when the oil seal is matched with the hub unit, the oil seal is sleeved on the transmission shaft and is pushed by the pushing mechanism, so that the stable matching between the oil seal and the hub unit can be ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural diagram of the mounting bracket of the present invention.
Fig. 4 is a schematic structural diagram of the mounting bracket of the present invention.
Fig. 5 is a schematic view of the displacement mechanism of the present invention cooperating with the first clamping mechanism and the second clamping mechanism.
Fig. 6 is a schematic view of the displacement mechanism of the present invention.
Fig. 7 is a schematic view of the displacement mechanism of the present invention.
Fig. 8 is a schematic view of the displacement mechanism of the present invention.
FIG. 9 is a schematic view of a first clamping mechanism of the present invention.
Fig. 10 is a schematic view of the pushing mechanism of the present invention.
Fig. 11 is a schematic view of the pushing mechanism of the present invention.
FIG. 12 is a schematic diagram of a push-down assembly according to the present invention.
FIG. 13 is a schematic diagram of a push-down assembly according to the present invention.
FIG. 14 is a schematic view of the engagement between the lower pushing block and the upper pushing block of the present invention.
Labeled as:
10. a mounting frame; 110. mounting a plate; 120. a guide block; 130. a lubricating oil tank; 140. a roller;
20. a displacement mechanism; 210. a first motor; 211. a first lead screw; 212. a first guide bar; 213. a second guide bar; 214. a third guide bar; 215. a first connecting rod; 216. a second connecting rod; 217. a loop bar; 218. a fourth guide bar;
30. a first cylinder;
40. a pushing mechanism; 410. a push-down component; 412. pushing the plate; 413. pushing the sheet; 414. connecting columns; 415. a limiting block; 416. a pushing block is pushed down; 417. a chute; 418. a slider; 419. inserting the column; 420. a push-up assembly; 421. a fifth guide bar; 422. a push plate is arranged; 423. inserting holes;
50. a first clamping mechanism; 510. mounting a shell; 520. a second motor; 530. a second lead screw; 540. a first clamping block; 550. a second clamping block;
60. a second clamping mechanism;
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
1-14, a lightweight integrated hub unit with a low friction seal assembly, comprising:
mounting bracket 10, be used for carrying out aversion mechanism 20 that shifts to hub unit, transmission shaft, be used for respectively carrying out the first fixture 50 of centre gripping to hub unit, transmission shaft, second fixture 60, be used for to the sealed oil blanket of hub unit, be used for promoting transmission shaft and hub unit complex cylinder 30, be used for promoting oil blanket and hub unit complex pushing mechanism 40, aversion mechanism 20, cylinder 30, pushing mechanism 40, first fixture 50, second fixture 60 install on mounting bracket 10.
The mounting frame 10 is a rectangular frame, the displacement mechanism 20 includes a first motor 210, a first lead screw 211, a first guide rod 212, a second guide rod 213, a third guide rod 214, a first connecting rod 215, a second connecting rod 216, a loop bar 217, and a fourth guide rod 218, the first motor 210 is installed at a side wall of the mounting frame 10, an output shaft of the first motor 210 is horizontally arranged and parallel to a length direction of the mounting frame 10, one end of the first lead screw 211 is coaxially and fixedly connected with an output shaft end of the first motor 210, the other end of the first lead screw 211 is movably connected with the side wall of the mounting frame 10, the first guide rod 212 and the second guide rod 213 are horizontally arranged at one side of the first lead screw 211 and are parallel to the first lead screw 211, the first clamping mechanism 50 is slidably sleeved on the first guide rod 212 through a sliding sleeve and is in threaded connection with the first lead screw 211, the third guide rod 214 is horizontally arranged on one side of the first guide rod 212 and is parallel to the first guide rod 212, one end of the loop bar 217 is sleeved on the second guide rod 213, the other end of the loop bar 217 is sleeved on the third guide rod 214, an insertion groove is horizontally formed in the length direction of the loop bar 217, a sliding sleeve on the first clamping mechanism 50 is located in the insertion groove of the loop bar 217, when the first motor 210 is started, an output shaft of the first motor 210 rotates to drive the first screw rod 211 to rotate, so that the first clamping mechanism 50 is driven to move along the guide direction of the first guide rod 212, when the first clamping mechanism 50 moves, the loop bar 217 is driven to move along the second guide rod 213 and the third guide rod 214, the fourth guide rod 218 is horizontally arranged on the side wall of the mounting frame 10, the fourth guide rods 218 are arranged in parallel, one fourth guide rod 218 is arranged on one side wall of the mounting frame 10, and a third guide rod is arranged on the side wall of the mounting frame 10, Another fourth guiding rod 218 is disposed on another side wall of the mounting frame 10, the fourth guiding rod 218 is perpendicular to the third guiding rod 214, the first connecting rod 215 and the second connecting rod 216 are sleeved on the fourth guiding rod 218, one end of the first connecting rod 215 and one end of the second connecting rod 216 are sleeved on one fourth guiding rod 218, the other end of the first connecting rod 215 and the other end of the second connecting rod 216 are sleeved on another fourth guiding rod 218, a spring is sleeved on the fourth guiding rod 218, one end of the spring abuts against an end of the second connecting rod 216, the other end of the spring abuts against an end of the fourth guiding rod 218, the second clamping mechanism 60 is also slidably sleeved on the first connecting rod 215 and the second connecting rod 216 through a sliding sleeve, and the sliding sleeve on the second clamping mechanism 60 is also located in the inserting slot of the sleeve rod 217, when the sleeve rod 217 moves along the second guiding rod 213 and the third guiding rod 214, the loop bar 217 pushes the second clamping mechanism 60 to move along the guide direction of the first and second connection bars 215 and 216, and moves in synchronization with the first clamping mechanism 50.
More specifically, the first clamping mechanism 50 and the second clamping mechanism 60 have the same structure and each include an installation shell 510, a second motor 520, a second lead screw 530, a first clamping block 540, and a second clamping block 550, the installation shell 510 is a rectangular shell, the installation shell 510 is respectively sleeved on the first guide rod 212 and the first connecting rod 215 through a sliding sleeve, the second motor 520 is installed at the bottom of the installation shell 510, an output shaft of the second motor 520 is parallel to the length direction of the installation shell 510, one end of the second lead screw 530 is coaxially and fixedly connected with an output shaft end of the second motor 520, the other end of the second lead screw is movably connected with a side wall of the installation shell 510, the first clamping block 540 and the second clamping block 550 are sleeved on the second lead screw 530 and are in threaded connection with the second lead screw 530, the second lead screw 530 is a bidirectional lead screw, when the second motor 520 is turned on, the output shaft of the second motor 520 rotates and drives the second lead screw 530 to rotate, thereby driving the first clamping block 540 and the second clamping block 550 to approach each other along the length direction of the mounting shell 510, and clamping the hub unit and the transmission shaft.
More specifically, mounting bracket 10 on be provided with the mounting panel 110 that is used for installing cylinder 30, the lateral wall that the push rod of cylinder 30 passed mounting bracket 10 stretch into to the frame of mounting bracket 10 in, when shift mechanism 20 with wheel hub unit, transmission shaft removal and near cylinder 30, the push rod of cylinder 30 offsets and can promote the transmission shaft to move near the direction of wheel hub unit with the tip of transmission shaft to make wheel hub unit, transmission shaft cooperation, when wheel hub unit, after the transmission shaft cooperation is accomplished, carry out the oil blanket to the wheel hub unit.
More specifically, the pushing mechanism 40 includes a lower pushing assembly 410 and an upper pushing assembly 420, the upper pushing assembly 420 includes a fifth guide rod 421 and an upper pushing plate 422, the fifth guide rod 421 is horizontally installed on the mounting frame 10, the fifth guide rod 421 is parallel to the transmission shaft, the upper pushing plate 422 is movably sleeved on the fifth guide rod 421, the bottom of the upper pushing plate 422 is close to the wall portion of the transmission shaft, a spring is sleeved on the fifth guide rod 421, one end of the spring abuts against the upper pushing plate 422, the other end of the spring abuts against the end portion of the fifth guide rod 421, the lower pushing assembly 410 includes a pushing plate 412, a pushing piece 413, a second cylinder 414, a limiting block 415, a lower pushing block 416 and a plug column 419, the pushing plate 412 is fixedly sleeved on the pushing rod of the first cylinder 30, a supporting plate is arranged at the bottom of the pushing plate 412, the pushing piece 413 is arranged on the pushing plate 412, the second cylinder 414 is installed below the pushing plate 412, the limiting block 415 is arranged at the end of the pushing rod of the second cylinder 414, the lower pushing block 416 is arranged on the bearing plate at the bottom of the pushing plate 412, the sliding block 418 is vertically arranged on the lower pushing block 416, the limiting block 415 is provided with a sliding groove 417 which forms a sliding fit with the sliding block 418, the end of the pushing piece 413 is arranged in an inclined manner, when the pushing rod of the first cylinder 30 pushes the pushing plate 412 to move towards the direction close to the lower pushing block 416, the inclined surface of the pushing plate 412 can push the lower pushing block 416 to move upwards along the guiding direction of the sliding groove 417 on the limiting block 415, the top of the lower pushing block 416 is provided with a plug-in post 419, the bottom of the upper pushing plate 422 is provided with a plug-in hole 423 which is matched with the plug-in post 419, when the lower pushing block 416 moves upwards along the guiding direction of the sliding groove 417 on the limiting block 415, the plug-in post, after the splicing and matching are completed, the second air cylinder 414 is opened, and the push rod of the second air cylinder 414 pushes the limiting block 415, the lower push block 416 and the upper push plate 422 to move towards the direction close to the hub unit, so that the oil seal sleeved on the transmission shaft is pushed to move towards the direction close to the hub unit and to be matched with the hub unit.
More specifically, in order to facilitate the matching of the transmission shaft and the hub unit, the mounting frame 10 is provided with a lubricating oil tank 130, an oil outlet of the lubricating oil tank 130 is provided with a roller 140, and when the shifting mechanism 20 shifts the transmission shaft, the end of the transmission shaft contacts with the roller 140, so that the end of the transmission shaft is coated with lubricating oil.
More specifically, when cylinder 30 promotes the transmission shaft to wheel hub unit remove and with wheel hub unit cooperation, if the oil blanket is in the tip of transmission shaft, the in-process that the transmission shaft removed, the oil blanket easily touched wheel hub unit to cause the oil blanket impaired, for this reason, the bottom of mounting bracket 10 be provided with guide block 120, guide block 120 is the slope and arranges, when shifting mechanism 20 shifted the transmission shaft, the oil blanket contacted with the inclined plane of guide block 120, thereby can make the oil blanket to the tip removal of keeping away from the transmission shaft.
A lightweight integrated hub unit with a low friction seal assembly and method of operation thereof:
the shifting process of the hub unit and the transmission shaft comprises the following steps:
s1, a first motor 210 is started, an output shaft of the first motor 210 rotates to drive a first screw rod 211 to rotate, so that a first clamping mechanism 50 is driven to move along the guiding direction of a first guide rod 212, when the first clamping mechanism 50 moves, a sleeve rod 217 is driven to move along a second guide rod 213 and a third guide rod 214, when the sleeve rod 217 moves along the second guide rod 213 and the third guide rod 214, the sleeve rod 217 pushes a second clamping mechanism 60 to move along the guiding direction of a first connecting rod 215 and a second connecting rod 216, and moves synchronously with the first clamping mechanism 50, a second motor 520 is started, an output shaft of the second motor 520 rotates and drives a second screw rod 530 to rotate, so that a first clamping block 540 and a second clamping block 550 are driven to approach each other along the length direction of a mounting shell 510, and a hub unit and a transmission shaft are clamped.
(II) the displacement matching process of the transmission shaft:
s2, when the hub unit and the transmission shaft are moved and close to the first air cylinder 30 by the shifting mechanism 20, a push rod of the first air cylinder 30 abuts against the end of the transmission shaft and can push the transmission shaft to move towards the direction close to the hub unit, so that the hub unit and the transmission shaft are matched, and after the hub unit and the transmission shaft are matched, oil sealing is carried out on the hub unit.
S3, when the push rod of the first air cylinder 30 pushes the push plate 412 to move towards the direction close to the lower push block 416, the inclined surface of the push plate 412 can push the lower push block 416 to move upwards along the guiding direction of the sliding groove 417 on the limiting block 415, when the lower push block 416 moves upwards along the guiding direction of the sliding groove 417 on the limiting block 415, the inserting column 419 at the bottom of the lower push block 416 is in inserting fit with the inserting hole 423 at the bottom of the upper push plate 422, after the inserting fit is completed, the second air cylinder 414 is opened, and the push rod of the second air cylinder 414 pushes the limiting block 415, the lower push block 416 and the upper push plate 422 to move towards the direction close to the hub unit, so that the oil seal sleeved on the transmission shaft is pushed to. It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (6)
1. Take low friction seal assembly's lightweight integral type wheel hub unit, its characterized in that, it includes:
the device comprises a mounting frame, a shifting mechanism for shifting a hub unit and a transmission shaft, a first clamping mechanism, a second clamping mechanism, an oil seal for sealing the hub unit, a first cylinder for pushing the transmission shaft to be matched with the hub unit, and a pushing mechanism for pushing the oil seal to be matched with the hub unit, wherein the shifting mechanism, the first cylinder, the pushing mechanism, the first clamping mechanism and the second clamping mechanism are mounted on the mounting frame;
the mounting frame is a rectangular frame, the shifting mechanism comprises a first motor, a first screw rod, a first guide rod, a second guide rod, a third guide rod, a first connecting rod, a second connecting rod, a loop bar and a fourth guide rod, the first motor is arranged at the side wall of the mounting frame, an output shaft of the first motor is horizontally arranged and parallel to the length direction of the mounting frame, one end of the first screw rod is coaxially and fixedly connected with the output shaft end of the first motor, the other end of the first screw rod is movably connected with the side wall of the mounting frame, the first guide rod and the second guide rod are horizontally arranged on one side of the first screw rod and parallel to the first screw rod, the first clamping mechanism is slidably sleeved on the first guide rod through a sliding sleeve and is in threaded connection with the first screw rod, the third guide rod is horizontally arranged on one side of the first guide rod and is parallel to the first guide rod, one end of the sleeve rod is sleeved on the second guide rod, the other end of the sleeve rod is sleeved on the third guide rod, an inserting groove is horizontally formed in the length direction of the sleeve rod, a sliding sleeve on the first clamping mechanism is positioned in the inserting groove of the sleeve rod, the fourth guide rods are horizontally arranged on the side wall of the mounting frame, two fourth guide rods are arranged in parallel, one fourth guide rod is arranged on one side wall of the mounting frame, the other fourth guide rod is arranged on the other side wall of the mounting frame, the fourth guide rod is perpendicular to the third guide rod, the first connecting rod and the second connecting rod are sleeved on the fourth guide rods, one end of the first connecting rod and one end of the second connecting rod are sleeved on the fourth guide rod, the other end of the first connecting rod and the other end of the second connecting rod are sleeved on the other fourth guide rod, and the fourth guide rod is provided with a spring, one end of the spring is abutted against the end part of the second connecting rod, the other end of the spring is abutted against the end part of the fourth guide rod, the second clamping mechanism is also slidably sleeved on the first connecting rod and the second connecting rod through the sliding sleeve, and the sliding sleeve on the second clamping mechanism is also positioned in the insertion groove of the sleeve rod.
2. The lightweight integrated hub unit with the low-friction seal assembly according to claim 1, wherein the first clamping mechanism and the second clamping mechanism have the same structure and respectively comprise a mounting shell, a second motor, a second lead screw, a first clamping block and a second clamping block, the mounting shell is a rectangular shell, the mounting shell is respectively sleeved on the first guide rod and the first connecting rod through sliding sleeves, the second motor is mounted at the bottom of the mounting shell, an output shaft of the second motor is parallel to the length direction of the mounting shell, one end of the second lead screw is coaxially and fixedly connected with an output shaft end of the second motor, the other end of the second lead screw is movably connected with a side wall of the mounting shell, the first clamping block and the first clamping block are sleeved on the second lead screw and are in threaded connection with the second lead screw, and the second lead screw is a bidirectional lead screw.
3. The lightweight integrated hub unit with the low-friction seal assembly according to claim 2, wherein a mounting plate for mounting the first cylinder is arranged on the mounting frame, a push rod of the first cylinder penetrates through a side wall of the mounting frame and extends into a frame body of the mounting frame, and when the hub unit and the transmission shaft are moved by the displacement mechanism and close to the first cylinder, the push rod of the first cylinder abuts against the end portion of the transmission shaft and can push the transmission shaft to move in a direction close to the hub unit.
4. The lightweight integrated hub unit with the low-friction sealing assembly according to claim 3, wherein the pushing mechanism comprises a lower pushing assembly and an upper pushing assembly, the upper pushing assembly comprises a fifth guide rod and an upper pushing plate, the fifth guide rod is horizontally arranged on the mounting frame, the fifth guide rod is parallel to the transmission shaft, the upper pushing plate is movably sleeved on the fifth guide rod, the bottom of the upper pushing plate is close to the wall portion of the transmission shaft, a spring is sleeved on the fifth guide rod, one end of the spring abuts against the upper pushing plate, the other end of the spring abuts against the end portion of the fifth guide rod, the lower pushing assembly comprises a pushing plate, a pushing piece, a second cylinder, a limiting block, a lower pushing block and a splicing column, the pushing plate is fixedly sleeved on the pushing rod of the first cylinder, a bearing plate is arranged at the bottom of the pushing plate, the pushing piece is arranged on the pushing plate, and the second cylinder pushing plate is arranged below the pushing plate, the stopper sets up in the tip of the two push rods of cylinder, lower ejector pad set up on the bearing plate of push pedal bottom, lower ejector pad on vertically be provided with the slider, the stopper on be provided with and constitute sliding fit's spout with the slider, the tip of ejector pad be the slope and arrange, the top of lower ejector pad be provided with the spliced pole, the bottom of last push pedal be provided with spliced pole assorted spliced eye, when lower ejector pad along the direction rebound of the spout on the stopper, the spliced pole of lower ejector pad bottom and the spliced eye of last push pedal bottom are pegged graft and are cooperated.
5. The lightweight integrated hub unit with the low friction seal assembly according to claim 1, wherein a lubrication oil tank is mounted on said mounting bracket, and rollers are disposed at an oil outlet of said lubrication oil tank.
6. The lightweight integrated hub unit with low friction seal assembly of claim 1 wherein the bottom of said mounting bracket is provided with a guide block, said guide block is disposed at an angle, and when the shifting mechanism shifts the transmission shaft, the oil seal contacts the inclined surface of the guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934369.2A CN110625363B (en) | 2019-09-29 | 2019-09-29 | Lightweight integrated hub unit with low friction seal assembly |
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| CN201910934369.2A CN110625363B (en) | 2019-09-29 | 2019-09-29 | Lightweight integrated hub unit with low friction seal assembly |
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| CN110625363B true CN110625363B (en) | 2020-10-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202240371U (en) * | 2011-06-30 | 2012-05-30 | 长城汽车股份有限公司 | Front wheel hub bearing and oil seal assembly device for automobile |
| CN203956454U (en) * | 2014-07-02 | 2014-11-26 | 长沙义和车桥有限公司 | Hub oil seal quick press mounting mechanism |
| WO2015064994A1 (en) * | 2013-10-29 | 2015-05-07 | 캐터필라정밀씰 주식회사 | O-ring positioning apparatus |
| CN105563080A (en) * | 2014-10-31 | 2016-05-11 | 丰田自动车株式会社 | Drive shaft press-fitting device |
-
2019
- 2019-09-29 CN CN201910934369.2A patent/CN110625363B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202240371U (en) * | 2011-06-30 | 2012-05-30 | 长城汽车股份有限公司 | Front wheel hub bearing and oil seal assembly device for automobile |
| WO2015064994A1 (en) * | 2013-10-29 | 2015-05-07 | 캐터필라정밀씰 주식회사 | O-ring positioning apparatus |
| CN203956454U (en) * | 2014-07-02 | 2014-11-26 | 长沙义和车桥有限公司 | Hub oil seal quick press mounting mechanism |
| CN105563080A (en) * | 2014-10-31 | 2016-05-11 | 丰田自动车株式会社 | Drive shaft press-fitting device |
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| CN110625363A (en) | 2019-12-31 |
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Denomination of invention: Lightweight integrated hub unit with low friction sealing components Effective date of registration: 20231108 Granted publication date: 20201030 Pledgee: Hangzhou United Rural Commercial Bank Limited by Share Ltd. Sijiqing branch Pledgor: HANGZHOU RENYUAN AUTOMOBILE FITTING Co.,Ltd. Registration number: Y2023330002550 |