CN110972524B - Bearing device of dynamic and static liquid composite steering mechanism of tracked vehicle - Google Patents
Bearing device of dynamic and static liquid composite steering mechanism of tracked vehicle Download PDFInfo
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- CN110972524B CN110972524B CN201418003957.2A CN201418003957A CN110972524B CN 110972524 B CN110972524 B CN 110972524B CN 201418003957 A CN201418003957 A CN 201418003957A CN 110972524 B CN110972524 B CN 110972524B
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Abstract
The invention belongs to the field of mechanical manufacturing and vehicle design, and particularly relates to a bearing device of a dynamic and static liquid composite steering mechanism of a tracked vehicle. Through material object development and bench test verification, the invention achieves the expected research purpose, reduces the weight and height of the comprehensive transmission device, reduces the processing and assembling difficulty of the bearing device, simplifies the lubricating system and ensures the safe and reliable operation of the composite steering system.
Description
Technical Field
The invention belongs to the field of machine manufacturing and vehicle design, and particularly relates to a bearing device of a dynamic and static liquid composite steering mechanism of a tracked vehicle.
Background
At present, dynamic and static liquid composite steering is one of main schemes adopted by a steering system of a tracked vehicle, and the dynamic and static liquid composite steering system guarantees the steering rapidity, stability and reliability of the tracked vehicle, particularly a large-tonnage tank armored vehicle. The working principle of the crawler-type vehicle steering mechanism is that when the steering resistance of the crawler-type vehicle is increased and the pressure of a hydraulic pump motor is increased to a certain value, a coupler is involved to work, and the pump motor and the coupler are compounded to provide steering torque. The motor gear and the coupler of the composite steering mechanism need to be supported on a bearing mechanism, and the traditional bearing scheme is that the motor gear and the coupler are hung on a steering cover. The steering cover is cast by adopting cast iron buried pipes, the yield is low, the manufacturing and processing difficulty is high, the steering cover is high in self height, the height of the comprehensive transmission device is increased, meanwhile, the lubrication of the bearing and the gear needs to be externally connected with a lubricating pipe, the steering cover is large in size and heavy, and the improvement of the power density of the comprehensive transmission device is influenced. Therefore, a new bearing scheme needs to be researched.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to provide a tracked vehicle sound liquid composite steering mechanism's device that bears, require the device to break away from completely and turn to the lid, processing alone, assembly reduce the processing cost, the assembly degree of difficulty, consequently turn to the lid and can adopt cast aluminum casting, reduced the weight and the height that turn to the lid.
(II) technical scheme
In order to solve the technical problem, the invention provides a bearing device of a dynamic and static liquid composite steering mechanism of a tracked vehicle,
the bearing device comprises: a bottom carrier 101, a lower stationary half ring 103, and an upper stationary half ring 102;
the bottom bearing piece 101 is a special-shaped piece, the shape of the lower end part of the bottom bearing piece is matched with the structure of a box body of the comprehensive transmission device of the tracked vehicle equipped with the bottom bearing piece, a matching surface 301 is arranged on the bottom bearing piece, and the shape of the matching surface 301 is matched with the shape of the corresponding part of the box body; when the bottom bearing piece 101 is arranged, the matching surface of the bottom bearing piece 101 is positioned on the box body through a pin and is fastened inside the box body through a bolt;
the opening part of the lower half ring 103 for fixing faces upwards, the bottom part of the lower half ring is formed integrally with the bottom bearing piece, and the opening part of the lower half ring is a semicircular ring body; the plurality of lower half fixing rings 103 are arranged, two rows are formed on the upper part of the bottom bearing piece, the lower half fixing rings are divided into a first lower half fixing ring 103 group and a second lower half fixing ring 103 group, the lower half fixing rings 103 in the same group are coaxial, and the axes of the two lower half fixing rings 103 are parallel to each other;
each lower fixing half ring 103 is correspondingly provided with an upper fixing half ring 102 with an opening part being a semi-circular ring body; in each pair of the lower fixing half ring 103 and the upper fixing half ring 102, the radial diameter and the axial width of the semi-circular ring body of the lower fixing half ring 103 are matched with those of the semi-circular ring body of the upper fixing half ring 102; each pair of the lower half ring 103 for fixing and the upper half ring 102 for fixing is provided with a small pin hole 104 at a ring body contact position, and is fastened into a whole by a bolt, and a hollow position formed by a semi-circular ring body of the lower half ring 103 for fixing and a semi-circular ring body of the upper half ring 102 for fixing a bearing of the composite steering system coaxially; the space between two adjacent pairs of lower half rings 103 and upper half rings 102 for fixing is used for accommodating the composite steering rotary member between the bearings; the compound steering work rotating member includes: gears, couplers, shafts;
dividing the bearings of the composite steering system into two groups, wherein the first group of bearings are arranged in the direction of the zero axis, and the second group of bearings are arranged in the direction of the coupler axis;
of the two sets of lower stationary half rings 103, the first set of lower stationary half rings 103 and the corresponding upper stationary half rings 102 are used to fix the first set of bearings in a one-to-one correspondence; each lower fixing half ring 103 in the first group of lower fixing half rings 103 is matched with the radial diameter and the axial width of a bearing to be fixed;
of the two sets of lower stationary half rings 103, the second set of lower stationary half rings 103 and the corresponding upper stationary half rings 102 are used to fix the second set of bearings in a one-to-one correspondence; each lower fixing half ring 103 in the second group of lower fixing half rings 103 is matched with the radial diameter and the axial width of the bearing to be fixed;
a series of through holes for containing the steering wheel are formed in the bottom bearing piece 101 along the direction parallel to the axis of the lower half ring 103 for fixing and used for containing the steering wheel mechanism 201; the steering wheel mechanism is loaded in the bottom bearing part 101 and then is respectively connected with a coupler output gear and a coupler power input gear on a zero shaft;
a line of main oil ducts are formed in the lower end of the interior of the bottom bearing part 101 in the direction parallel to the axis of the through hole for containing the steering wheel, the main oil ducts are provided with external oil inlets, the interior of the main oil ducts is branched in the direction perpendicular to the axis of the through hole for containing the steering wheel to form a plurality of branch oil ducts, and the branching position of each branch oil duct on the main oil ducts is matched with the position of each bearing or each pair of gears on the axis.
(III) advantageous effects
Through material object development and bench test verification, the invention achieves the expected research purpose, reduces the weight and height of the comprehensive transmission device, reduces the processing and assembling difficulty of the bearing device, simplifies the lubricating system and ensures the safe and reliable operation of the composite steering system.
Drawings
Fig. 1 is a schematic structural diagram of a carrying device of the present invention.
Fig. 2 is a schematic view of the bearing device for mounting a steering wheel.
Wherein, 202: and a rudder wheel shaft inlet hole.
FIG. 3 is a schematic view of the assembly of the carrying device and the mating surface of the case of the present invention.
Wherein, 302: a large pin hole.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
In order to solve the problems in the prior art, the invention provides a bearing device of a hybrid steering mechanism of dynamic and static liquids of a tracked vehicle, as shown in fig. 1 to 3, the bearing device comprises: a bottom carrier 101, a lower stationary half ring 103, and an upper stationary half ring 102;
the bottom bearing piece 101 is a special-shaped piece, the shape of the lower end part of the bottom bearing piece is matched with the structure of a box body of the comprehensive transmission device of the tracked vehicle equipped with the bottom bearing piece, a matching surface 301 is arranged on the bottom bearing piece, and the shape of the matching surface 301 is matched with the shape of the corresponding part of the box body; when the bottom bearing piece 101 is arranged, the matching surface of the bottom bearing piece 101 is positioned on the box body through a pin and is fastened inside the box body through a bolt;
the opening part of the lower half ring 103 for fixing faces upwards, the bottom part of the lower half ring is formed integrally with the bottom bearing piece, and the opening part of the lower half ring is a semicircular ring body; the plurality of lower half fixing rings 103 are arranged, two rows are formed on the upper part of the bottom bearing piece, the lower half fixing rings are divided into a first lower half fixing ring 103 group and a second lower half fixing ring 103 group, the lower half fixing rings 103 in the same group are coaxial, and the axes of the two lower half fixing rings 103 are parallel to each other;
each lower fixing half ring 103 is correspondingly provided with an upper fixing half ring 102 with an opening part being a semi-circular ring body; in each pair of the lower fixing half ring 103 and the upper fixing half ring 102, the radial diameter and the axial width of the semi-circular ring body of the lower fixing half ring 103 are matched with those of the semi-circular ring body of the upper fixing half ring 102; each pair of the lower half ring 103 for fixing and the upper half ring 102 for fixing is provided with a small pin hole 104 at a ring body contact position, and is fastened into a whole by a bolt, and a hollow position formed by a semi-circular ring body of the lower half ring 103 for fixing and a semi-circular ring body of the upper half ring 102 for fixing a bearing of the composite steering system coaxially; the space between two adjacent pairs of lower half rings 103 and upper half rings 102 for fixing is used for accommodating the composite steering rotary member between the bearings; the compound steering work rotating member includes: gears, couplers, shafts;
dividing the bearings of the composite steering system into two groups, wherein the first group of bearings are arranged in the direction of the zero axis, and the second group of bearings are arranged in the direction of the coupler axis;
of the two sets of lower stationary half rings 103, the first set of lower stationary half rings 103 and the corresponding upper stationary half rings 102 are used to fix the first set of bearings in a one-to-one correspondence; each lower fixing half ring 103 in the first group of lower fixing half rings 103 is matched with the radial diameter and the axial width of a bearing to be fixed;
of the two sets of lower stationary half rings 103, the second set of lower stationary half rings 103 and the corresponding upper stationary half rings 102 are used to fix the second set of bearings in a one-to-one correspondence; each lower fixing half ring 103 in the second group of lower fixing half rings 103 is matched with the radial diameter and the axial width of the bearing to be fixed;
a series of through holes for containing the steering wheel are formed in the bottom bearing piece 101 along the direction parallel to the axis of the lower half ring 103 for fixing and used for containing the steering wheel mechanism 201; the steering wheel mechanism is loaded in the bottom bearing part 101 and then is respectively connected with a coupler output gear and a coupler power input gear on a zero shaft;
a line of main oil ducts are formed in the lower end of the interior of the bottom bearing part 101 in the direction parallel to the axis of the through hole for containing the steering wheel, the main oil ducts are provided with external oil inlets, the interior of the main oil ducts is branched in the direction perpendicular to the axis of the through hole for containing the steering wheel to form a plurality of branch oil ducts, and the branching position of each branch oil duct on the main oil ducts is matched with the position of each bearing or each pair of gears on the axis.
In conclusion, the invention changes the concept that the composite steering system is hung on the steering cover in the prior art, and the composite steering system is horizontally arranged in the box body. Therefore, a 'hanging flange' type bearing mechanism is designed, as shown in fig. 1: the bearing device is divided into two parts at the horizontal plane of the bearing installation center, the upper half part is a half ring part for casting each bearing for fixing, the lower half part is a bearing base, the upper half part is a bearing outer hole of the bearing of the composite steering mechanism divided into two parts, the mounting holes of the lower half part are connected together, a space of a coupler is reserved, the two parts are integrally connected together to form the bearing base of the lower half part, the upper half part is a bearing outer hole corresponding to the bearing, each half ring for fixing the bearing is designed, and finally the bearing device is formed. The structure diagram is shown in figure 2:
the rudder wheel needs to be installed in place in advance before installing the zero axis side and the coupler side. The installation schematic of the multiple axles is shown in fig. 2: the steering wheel is characterized in that a steering wheel shaft is installed in place through a steering wheel shaft inlet hole, and the steering wheel is directly assembled in the bearing body base.
The assembly sequence of the bearing device is as follows: the composite steering mechanism is assembled in the lower bearing device, when the upper semi-rings for fixing are installed, the upper semi-rings for fixing are positioned through pins, then the semi-rings for fixing are tightly pressed through bolts, the assembly of the composite steering mechanism is completed, the bearing device is lifted, the positioning is completed through the large pins and the box body, and the bearing device and the composite steering mechanism inside the bearing device are installed inside the box body through the bolts. The bearing device is cast by cast steel, an oil passage is processed in the bearing device, only one oil inlet is arranged, and the bearing and the gear of the composite steering mechanism can be lubricated by splashing lubrication without an external lubrication pipe.
As shown in FIG. 1, the small pin holes 104 are formed on each of the stationary half ring and the carrier base, and the small pin holes are formed in combination, and the small pins and the stationary half rings are formed in combination with the holes formed in the carrier base to ensure the coaxiality. On the drawing, four pairs of upper half rings for fixing, lower half rings for fixing and bearing holes formed by matching of the bearing base are coaxial, combined and processed, and a first group of bearings in the zero axis direction are installed; on the figure, four pairs of upper half rings for fixing, lower half rings for fixing and bearing holes formed by matching the bearing base are coaxial, are combined and processed, and are provided with a second group of bearings in the axial direction of the coupler.
The bearing device and the box body are matched by attaching the matching surface of the bearing device shown in figure 3 to the matching surface of the box body, the matching surface of the bearing device shown in the figure is coplanar, the bearing device and the box body are positioned through a large pin hole shown in the figure during installation, and then a bolt is screwed into the box body to tightly press the matching surface to complete the whole assembly.
The bearing device of the dynamic and static liquid composite steering mechanism of the tracked vehicle is verified by processing and assembling, and the method is proved to reduce the processing and assembling difficulty, reduce the processing and assembling cost and reduce the height of the steering cover.
The novel bearing device is adopted, the problem that the composite steering mechanism bearing device is difficult to process and assemble is solved, the cost of the lubricating oil pipe is saved, and a satisfactory effect is achieved through research.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (1)
1. A bearing device of a dynamic and static liquid composite steering mechanism of a tracked vehicle is characterized in that,
the bearing device comprises: a bottom carrier (101), a lower half ring (103) for fixing, and an upper half ring (102) for fixing;
the bottom bearing piece (101) is a special-shaped piece, the shape of the lower end part of the bottom bearing piece is matched with the structure of a box body of the comprehensive transmission device of the tracked vehicle, a matching surface (301) is arranged on the bottom bearing piece, and the shape of the matching surface (301) is matched with the shape of the corresponding part of the box body; when the bottom bearing piece (101) is arranged, the matching surface of the bottom bearing piece (101) is positioned on the box body through a pin, and the bottom bearing piece (101) is fastened in the box body through a bolt;
the opening part of the lower half ring (103) for fixing faces upwards, the bottom part of the lower half ring is integrally formed with the bottom bearing piece, and the opening part of the lower half ring is a semicircular ring body; the lower half rings (103) for fixing are provided with a plurality of rows, which are formed on the upper part of the bottom bearing piece and divided into a first group of lower half rings (103) for fixing and a second group of lower half rings (103) for fixing, the lower half rings (103) for fixing in the same group are coaxial, and the axes of the two groups of lower half rings (103) for fixing are parallel to each other;
each lower half fixing ring (103) is correspondingly provided with an upper half fixing ring (102) with an opening part being a semi-circular ring body; in each pair of the lower half fixing ring (103) and the upper half fixing ring (102), the radial diameter and the axial width of the semicircular ring body of the lower half fixing ring (103) are matched with those of the semicircular ring body of the upper half fixing ring (102); each pair of the lower half ring (103) for fixing and the upper half ring (102) for fixing are provided with small pin holes (104) at the contact part of the ring bodies, and are fastened into a whole through bolts, and the hollow part formed by the semi-ring body of the lower half ring (103) for fixing and the semi-ring body of the upper half ring (102) for fixing the bearing of the composite steering system coaxially; the space between two adjacent pairs of lower half rings (103) for fixing and upper half rings (102) for fixing is used for accommodating the composite steering work rotating piece between the bearings; the compound steering work rotating member includes: gears, couplers, shafts;
dividing the bearings of the composite steering system into two groups, wherein the first group of bearings are arranged in the direction of the zero axis, and the second group of bearings are arranged in the direction of the coupler axis;
the first group of lower half fixing rings (103) and the corresponding upper half fixing rings (102) in the two groups of lower half fixing rings (103) are used for fixing the first group of bearings in a one-to-one correspondence manner; each lower half fixing ring (103) in the first lower half fixing ring (103) is matched with the radial diameter and the axial width of a bearing to be fixed;
of the two groups of lower half rings (103) for fixing, a second group of lower half rings (103) for fixing and the corresponding upper half rings (102) for fixing a second group of bearings are used for one-to-one correspondence; each lower half fixing ring (103) in the second group of lower half fixing rings (103) is matched with the radial diameter and the axial width of a bearing to be fixed;
a series of through holes for containing the steering wheel are formed in the bottom bearing piece (101) along the direction parallel to the axis of the lower half ring (103) for fixing and used for containing a steering wheel mechanism (201); the steering wheel mechanism is arranged in the bottom bearing piece (101) and then is respectively connected with a coupler output gear and a coupler power input gear on a zero shaft;
the lower end of the inside of the bottom bearing piece (101) is provided with a line of main oil duct along the direction parallel to the axis of the through hole for containing the steering wheel, the main oil duct is provided with an external oil inlet, the inside of the main oil duct is branched along the direction vertical to the axis of the through hole for containing the steering wheel to form a plurality of branch oil ducts, and the branch position of each branch oil duct on the main oil duct is matched with the position of each bearing or each pair of gears on the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201418003957.2A CN110972524B (en) | 2014-08-20 | 2014-08-20 | Bearing device of dynamic and static liquid composite steering mechanism of tracked vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201418003957.2A CN110972524B (en) | 2014-08-20 | 2014-08-20 | Bearing device of dynamic and static liquid composite steering mechanism of tracked vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN110972524B true CN110972524B (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201418003957.2A Expired - Fee Related CN110972524B (en) | 2014-08-20 | 2014-08-20 | Bearing device of dynamic and static liquid composite steering mechanism of tracked vehicle |
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| CN (1) | CN110972524B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941362A (en) * | 2017-12-28 | 2018-04-20 | 中国科学院西安光学精密机械研究所 | A kind of frock of layouting for thermal vacuum test |
-
2014
- 2014-08-20 CN CN201418003957.2A patent/CN110972524B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941362A (en) * | 2017-12-28 | 2018-04-20 | 中国科学院西安光学精密机械研究所 | A kind of frock of layouting for thermal vacuum test |
| CN107941362B (en) * | 2017-12-28 | 2023-12-12 | 中国科学院西安光学精密机械研究所 | Point distribution tool for thermal vacuum test |
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| GR03 | Grant of secret patent right | ||
| GRSP | Grant of secret patent right | ||
| DC01 | Secret patent status has been lifted | ||
| DC01 | Secret patent status has been lifted | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20210820 |