CN113399986A - Assembly board of rack and pinion steering gear casing bush - Google Patents
Assembly board of rack and pinion steering gear casing bush Download PDFInfo
- Publication number
- CN113399986A CN113399986A CN202110785609.4A CN202110785609A CN113399986A CN 113399986 A CN113399986 A CN 113399986A CN 202110785609 A CN202110785609 A CN 202110785609A CN 113399986 A CN113399986 A CN 113399986A
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- press
- cylinder
- fitting
- rack
- steering gear
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Classifications
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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
-
- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
Abstract
The invention relates to an assembling machine table for a shell bushing of a rack and pinion steering gear, and belongs to the technical field of steering gear mounting equipment. A working panel is arranged on the rack, a press-fitting clamping cylinder is fixedly arranged on the working panel, an upper press-fitting cylinder is arranged on the rack above the corresponding press-fitting clamping cylinder, and a lower pressure head is arranged at the end head of a piston rod of the upper press-fitting cylinder; the machine frame below the working panel is provided with a lower jacking cylinder, a radial extrusion rod is arranged in a central hole of the press-mounting clamping barrel, a piston rod of the lower jacking cylinder penetrates through the working panel to be connected with the radial extrusion rod, and the top end of the press-mounting clamping barrel is provided with a limiting head. The invention effectively improves the efficiency of assembly operation; the product quality is guaranteed, and the problem that the bushing is easily trimmed or damaged during assembly due to the fact that the structure, the size and the capability of workers of the product are different when the bushing is manually assembled at present is solved. Has positive significance for improving the assembly quality of products.
Description
Technical Field
The invention relates to an assembling machine table for a shell bushing of a rack and pinion steering gear, and belongs to the technical field of steering gear mounting equipment.
Background
The rack and pinion steering gear is simple and compact in structure, high in quality and low in cost, and is widely applied to steering gear systems of small-displacement cars and new energy automobiles. At present, the rack support bushing is installed in a bushing clamping groove of a shell manually by a worker by using an auxiliary tool, and in the assembling working process of the bushing, because the bushing clamping groove of a steering gear shell is a stepped groove and the circumference of the lower end of the bushing is a stepped boss corresponding to the bushing clamping groove, the axial depth dimension of the bushing can only meet the assembling requirement and the radial direction can not ensure that the bushing is assembled in place, the stepped boss of the bushing is extruded into the clamping groove of the steering gear shell by means of fingers, so that the assembling time of each workpiece is long, the assembling working efficiency is low, and the assembling quality of the bushing can not be strictly ensured; meanwhile, due to differences in specifications and sizes of products and capabilities of workers, when the bushings are manually assembled, the situation that the bushings are trimmed or damaged during assembly easily occurs, so that a certain loss rate is caused, and therefore improvement is needed.
Disclosure of Invention
The invention aims to provide an assembling machine table for a lining of a shell of a sharp-tooth rack steering gear, which can accurately arrange a stepped boss of a lining into a clamping groove of a shell of the steering gear so as to effectively improve the efficiency of the lining assembling work, reduce the loss rate of the lining and ensure the assembling quality of the lining.
The technical scheme of the invention is as follows:
the utility model provides an assembly board of rack and pinion steering gear casing bush, includes frame, work panel, goes up the pressure equipment jar, down jacking jar and pressure equipment clamping cylinder, its characterized in that: a working panel is arranged on the rack, a press-fitting clamping cylinder is fixedly arranged on the working panel, an upper press-fitting cylinder is arranged on the rack above the corresponding press-fitting clamping cylinder, and a lower pressure head is arranged at the end head of a piston rod of the upper press-fitting cylinder; the machine frame below the working panel is provided with a lower jacking cylinder, a radial extrusion rod is arranged in a central hole of the press-mounting clamping barrel, a piston rod of the lower jacking cylinder penetrates through the working panel to be connected with the radial extrusion rod, and the top end of the press-mounting clamping barrel is provided with a limiting head.
The press-fitting clamping cylinder and the limiting head are of an integrated structure; the limiting head is conical, the diameter of the limiting head is smaller than that of the press-fitting clamping barrel, and a central hole of the limiting head is communicated with a central hole of the press-fitting clamping barrel.
And an extruder is arranged on the circumference of the joint of the limiting head and the press-fitting clamping cylinder through radially and uniformly distributed mounting holes.
The radial extrusion rod is a conical rod.
The squeezer constitute by a plurality of extrusion heads that are the cross setting, the extrusion head is the T style of calligraphy, is provided with the mounting groove on the terminal surface of extrusion head, the extrusion head passes through mounting groove interconnect with elastic ring, the tail end of extrusion head is provided with extrusion clearance each other.
The press-fitting clamping barrel is inverted T-shaped, the press-fitting clamping barrel is fixedly mounted on the upper surface of the working panel through a fixing bolt, a limiting barrel is mounted on the periphery of the lower end of the press-fitting clamping barrel through the fixing bolt, a return spring is mounted between the limiting barrel and the press-fitting clamping barrel through a spring seat, a press-fitting shrinkage barrel is movably mounted on the press-fitting clamping barrel above the spring seat, and the press-fitting shrinkage barrel is in contact connection with the spring seat.
The press-fitting shrinkage cylinder is a cylinder body with two open ends, the lower port of the press-fitting shrinkage cylinder is an expanded port (horn mouth), and the upper port of the press-fitting shrinkage cylinder is a tapered port.
As an improvement, a bottom plate is fixedly arranged on the working panel, and a press-fitting clamping cylinder is movably arranged on the bottom plate through a bearing seat; a rotating cylinder is fixedly arranged on the bottom plate on one side of the bottom flange of the press-fitting clamping cylinder, and a rotating column is arranged on the bottom flange of the press-fitting clamping cylinder 4 corresponding to the rotating cylinder; a poke rod is arranged on the bottom plate on one side of the rotating column 21 through a positioning shaft, a U-shaped poke groove is formed in the end head of one end of the poke rod 23, and the poke rod is connected with the rotating column in a sliding mode through the poke groove. The rotating arm of the rotating cylinder is movably connected with the other end of the poking rod through a pin shaft.
The invention has the beneficial effects that:
the bushing is assembled in the clamping groove of the steering gear shell through the matching of the press-fitting shrinkage barrel and the press-fitting clamping barrel, and the boss of the bushing is accurately extruded into the clamping groove corresponding to the boss on the steering gear shell through the matching of the radial extrusion rod and the extrusion head, so that the assembly operation efficiency is effectively improved; the product quality is guaranteed, and the problem that the bushing is easily trimmed or damaged during assembly due to the fact that the structure, the size and the capability of workers of the product are different when the bushing is manually assembled at present is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the extruder of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of the extruder of the present invention;
FIG. 5 is a schematic view of a modified structure of the present invention;
FIG. 6 is an enlarged view of the point A in FIG. 5;
fig. 7 is a schematic view of the connection between the tap lever and the rotary column.
In the figure: 1. the device comprises a bushing, 2, a limiting head, 3, a rack, 4, a working panel, 5, an upper press-fitting cylinder, 6, a lower jacking cylinder, 7, a press-fitting clamping barrel, 8, a limiting barrel, 9, a spring seat, 10, a return spring, 11, a press-fitting shrinkage barrel, 12, a lower pressing head, 13, a radial extrusion rod, 14, an extrusion head, 15, an elastic ring, 16, an extruder, 17, a steering gear shell, 18, a bottom plate, 19, a bearing seat, 20, a rotating cylinder, 21, a rotating column, 22, a positioning shaft, 23, a poking rod, 24 and a rotating arm.
Detailed Description
The assembling machine table for the gear rack steering gear shell bushing comprises a frame 3, a working panel 4, an upper press-fitting cylinder 5, a lower jacking cylinder 6 and a press-fitting clamping cylinder 7, wherein the working panel 4 is arranged on the frame 3, the press-fitting clamping cylinder 7 is fixedly arranged on the working panel 4, the press-fitting clamping cylinder 7 is inverted T-shaped, the press-fitting clamping cylinder 7 is fixedly arranged on the upper surface of the working panel 4 through a fixing bolt, a limiting cylinder 8 is arranged on the periphery of the lower end of the press-fitting clamping cylinder 7 through the fixing bolt, a reset spring 10 is arranged between the limiting cylinder 8 and the press-fitting clamping cylinder 7 through a spring seat 9, and a press-fitting shrinkage cylinder 11 is movably arranged on the press-fitting clamping cylinder 7 above the spring seat 10. The press-fitting shrinkage cylinder 11 is a cylinder body with two open ends, the lower port of the press-fitting shrinkage cylinder 11 is an expanded port (horn mouth), and the upper port of the press-fitting shrinkage cylinder 11 is a tapered port. The press-fitting shrinkage cylinder 11 is in contact connection with the spring seat 9.
An upper press-fitting cylinder 5 is arranged on the machine frame 3 above the corresponding press-fitting clamping cylinder 7, and a lower pressure head 12 is arranged at the end of a piston rod of the upper press-fitting cylinder 5; the lower pressure head 12 can rotate circumferentially at the end of the piston rod of the upper pressure cylinder 5. A lower jacking cylinder 6 is arranged on the machine frame 3 below the working panel 4, a radial extrusion rod 13 is movably arranged in a stepped central hole of the press-mounting clamping barrel 7, and the radial extrusion rod 13 is a conical rod; the piston rod of the lower jacking cylinder 6 passes through the working panel 4 and is connected with a radial extrusion rod 13.
The top end of a press-fitting clamping cylinder 7 of the assembling machine table is provided with a limiting head 2; the limiting head 2 is conical, and the press-fitting clamping cylinder 7 and the limiting head 2 are of an integral structure; the maximum diameter of the limiting head 2 is smaller than the minimum diameter of the press-fitting clamping cylinder 2, and the central hole of the limiting head 2 is communicated with the central hole of the press-fitting clamping cylinder 7.
An extruder 16 is arranged on the circumference of the joint of the limiting head 2 and the press-fitting clamping barrel 7 through radially and uniformly distributed mounting holes. The extruder is composed of a plurality of extrusion heads 14 and elastic rings 15, the extrusion heads 14 are T-shaped, mounting grooves are formed in the end faces of the extrusion heads 14, the extrusion heads 14 are mounted on the press-fitting clamping barrel 7 through mounting holes, the extrusion heads 14 are connected with each other through the elastic rings 15 through the mounting grooves, and extrusion gaps are formed between the tail ends of the extrusion heads 14; in the inactive state, the extrusion head 14 is in a contracted state under the action of the elastic ring 15.
When the assembling machine of the shell bushing of the rack and pinion steering gear works, firstly, the bushing 1 is sleeved on the limiting head 2 of the assembling device. When the bushing 1 is sleeved on the limiting head 2, the lower end face of the bushing 1 is required to be in complete contact with the end face of the joint of the press-fitting clamping cylinder 7 and the limiting head 2; so that the stepped boss of the bushing 1 horizontally corresponds to the extruder 16.
After the bushing is sleeved, the press-fitting shrinkage cylinder 11 is sleeved on the limiting head 2, then a working power supply of an assembling device is started, and the assembling machine can control all action parts through a program controller (Siemens 17-300) to work according to a program or can control all action parts manually and respectively. After the working power supply is started, the piston rod of the upper press-fitting cylinder 5 moves downwards, so that the press-fitting shrinkage cylinder 11 is pressed to move downwards along the limiting head 2 and the press-fitting clamping cylinder 7 through the lower pressure head 12. In the descending process of the press-fitting shrinkage cylinder 11, because the top end face (the end face at the joint) of the press-fitting clamping cylinder 1 forms a limiting support for the bush 1 and the lower port of the press-fitting shrinkage cylinder 11 is in a flaring shape, when the upper end of the bush 1 enters the press-fitting shrinkage cylinder 11 and the boss at the lower end of the bush 1 is contacted with the lower port of the press-fitting shrinkage cylinder 11, the descending press-fitting shrinkage cylinder 11 radially extrudes the bush 1 through the lower port to force the bush 1 to radially shrink, and the bush 1 integrally enters the press-fitting shrinkage cylinder 11 along with the continuous descending of the press-fitting shrinkage cylinder 11; the limiting head 2 is positioned at the upper end in the press-fitting shrinkage cylinder 11. When the bushing 1 integrally enters the press-fitting shrinkage cylinder 11, the upper press-fitting cylinder 5 stops descending and moves upwards for resetting, after the upper press-fitting cylinder 5 moves upwards to a proper position, the steering gear shell 17 is sleeved on the press-fitting shrinkage cylinder 11, at the moment, the upper press-fitting cylinder 5 moves downwards again, and the steering gear shell 17 is pressed by the lower pressing head 12 to move downwards along the press-fitting shrinkage cylinder 11.
In the downward moving process of the diverter housing 17, the diverter housing 17 is in close contact with the upper port of the press-fitting shrinkage cylinder 11 through the reducing shoulder surface of the large-diameter section to form compression, so that the press-fitting shrinkage cylinder 11 is driven to move downward along with the shoulder surface under the action of the lower pressure head 12. In the process that the steering gear shell 17 drives the press-fitting shrinkage barrel 11 to move downwards in a follow-up mode, the lining 1 moves upwards relative to the press-fitting shrinkage barrel 11, because the upper port of the press-fitting shrinkage barrel 11 is of a gradually-reduced type, the inner diameter of the upper port of the press-fitting shrinkage barrel 11 is the same as the inner diameter of the small-diameter section of the steering gear shell, the lining 1 continues to shrink in the radial direction in the process that the lining 1 moves upwards relative to the press-fitting shrinkage barrel 11, and along with the continuous downward movement of the steering gear shell 17, the lining 1 protrudes out from the upper port of the press-fitting shrinkage barrel 11, smoothly enters the small-diameter section of the steering gear shell 17 and gradually corresponds to the lining clamping groove in the small-diameter section of the steering gear shell 17.
In the process that the bush 1 gradually corresponds to a bush clamping groove located in a small-diameter section of the steering gear shell 17, the lower port of the press-fitting shrinkage cylinder 11 is in contact with the spring seat 9, the return spring 10 is pressed downwards through the spring seat 9 to store energy, when the steering gear shell 17 continues to move downwards and is in contact with the top of the limiting cylinder 8, the steering gear shell 17 moves downwards in place, at the moment, the lower pressing head 12 stops moving downwards, and a clamping state is formed on the steering gear shell 17 in the axial direction under the mutual matching of the lower pressing head 12 and the limiting cylinder.
While forming a clamped state in the axial direction of the steering gear housing 17; the top of the bush 1 is in contact with a reducing shoulder of a small-diameter section of the steering gear shell 17, and a boss of the bush 1 corresponds to a bush clamping groove; indicating that the bushing 1 is mounted in place at an axial location within the diverter housing 17. After the axial position of the bush 1 is installed in place, the jacking cylinder 6 moves downwards, the piston rod drives the radial extrusion rod 13 to move upwards in the central hole of the press-fitting clamping barrel 7, the upper end of the radial extrusion rod 13 is conical, in the process of moving the radial extrusion rod 13 upwards, the conical top end is firstly inserted into an extrusion gap at the tail end of the extrusion head 14, the extrusion head 14 is extruded along with continuous upward movement of the radial extrusion rod 13, the extrusion head 14 is forced to radially extend out, therefore, extrusion is formed on the inner wall of the bush 1, a boss of the bush 1 enters a bush clamping groove, and therefore radial position installation of the bush in a steering gear shell is completed.
In actual work, the process that the bushing 1 enters the bushing clamping groove is extrusion at 4 points of the extrusion heads 14, the bushing 1 between the extrusion heads 14 is subjected to radial extrusion force of the extrusion heads 14 and is difficult to form a plane with the outer wall of the bushing clamping groove, and as an improvement of an assembly device, a bottom plate 18 is fixedly arranged on the working panel 4, and a press-fitting clamping barrel 7 is movably arranged on the bottom plate 18 through a bearing seat 19; a rotating cylinder 20 is fixedly arranged on the bottom plate 18 on one side of the bottom flange of the press-fitting clamping cylinder 4, and a rotating column 21 is arranged on the bottom flange of the press-fitting clamping cylinder 4 corresponding to the rotating cylinder 20; a poke rod 23 is arranged on the bottom plate 18 on one side of the rotating column 21 through a positioning shaft 22, a U-shaped poke groove is formed in the end head of one end of the poke rod 23, and the poke rod 23 is connected with the rotating column 21 in a sliding mode through the poke groove. The rotating arm 24 of the rotating cylinder 20 is movably connected with the other end of the poke rod 23 through a pin shaft. Under the action of the rotating cylinder 20, the press-fitting clamping cylinder 7 can rotate circumferentially with the bearing seat 19 as an axis.
After the improvement, after the installation of bush 1 radial position was accomplished, select the action of commentaries on classics jar 20, it uses location axle 22 to rotate as the axle center to drive poker rod 23 through swinging boom 24, and then poker rod 23 drives column spinner 21 through dialling the groove, column spinner 21 drives pressure equipment clamping section of thick bamboo 7 and is 45 degrees circumference and reciprocates the rotation, drive steering gear casing 45 degrees circumference from this and reciprocate the rotation, make each extrusion head 14 for 1 inner wall circumference slip of bush, thereby strengthen the assembly of bush 1, make 1 position of bush get into in the bush draw-in groove completely, guarantee the parallel and level of bush 1 inner wall and bush draw-in groove outer wall.
After the actions are finished, the upper press-mounting cylinder 5 and the lower jacking cylinder 6 are reset respectively, after the steering gear shell 17 which finishes the installation of the bush 1 is taken down, the press-mounting shrinkage cylinder 11 is pressed and bounced upwards under the action of the reset spring 10, and the press-mounting shrinkage cylinder 11 can enter the next working cycle after being taken down. According to the invention, the bushing 1 is assembled in the clamping groove of the steering gear shell 17 through the matching of the press-fitting shrinkage cylinder 11 and the press-fitting clamping cylinder 7, and the boss of the bushing 1 is accurately extruded into the clamping groove corresponding to the boss on the steering gear shell 17 through the matching of the radial extrusion rod 13 and the extrusion head 14, so that the assembly operation efficiency is effectively improved; the product quality is guaranteed, the problem that the bushing is easily trimmed or damaged during assembly due to the fact that the structure, the size and the capability of workers of the product are different at present and the bushing is assembled manually is solved, and therefore a certain loss rate is caused, and the method has positive significance for improving the assembly quality of the product.
Claims (8)
1. The utility model provides an assembly board of rack and pinion steering gear casing bush, includes frame (3), work panel (4), goes up pressure equipment jar (5), jacking jar (6) and pressure equipment clamping barrel (7) down, its characterized in that: a working panel (4) is arranged on the rack (3), a press-fitting clamping cylinder (7) is fixedly arranged on the working panel (4), an upper press-fitting cylinder (5) is arranged on the rack (3) above the corresponding press-fitting clamping cylinder (7), and a lower pressure head (12) is arranged at the end of a piston rod of the upper press-fitting cylinder (5); a lower jacking cylinder (6) is installed on a rack (3) below a working panel (4), a radial extrusion rod (13) is arranged in a central hole of a press-fitting clamping cylinder (7), a piston rod of the lower jacking cylinder (6) penetrates through the working panel (4) to be connected with the radial extrusion rod (13), and a limiting head (2) is arranged at the top end of the press-fitting clamping cylinder (7).
2. The assembling machine table for the bushing of the shell of the rack and pinion steering gear according to claim 1, wherein: the press-fitting clamping cylinder (7) and the limiting head (2) are of an integral structure; the limiting head (2) is conical, the diameter of the limiting head (2) is smaller than that of the press-fitting clamping cylinder (7), and a central hole of the limiting head (2) is communicated with a central hole of the press-fitting clamping cylinder (7).
3. The assembling machine table for the bushing of the shell of the rack and pinion steering gear according to claim 1 or 2, characterized in that: and an extruder (16) is arranged on the circumference of the joint of the limiting head (2) and the press-fitting clamping barrel (7) through radially and uniformly distributed mounting holes.
4. The assembling machine table for the bushing of the shell of the rack and pinion steering gear according to claim 1, wherein: the radial extrusion rod (13) is a conical rod.
5. The assembling machine table for the bushing of the shell of the rack and pinion steering gear according to claim 3, wherein: the extruder (16) comprise a plurality of extrusion heads (14) arranged in a cross shape, the extrusion heads (14) are T-shaped, mounting grooves are formed in the end faces of the extrusion heads (14), the extrusion heads (14) are connected with each other through the mounting grooves by elastic rings (15), and extrusion gaps are formed between the tail ends of the extrusion heads (14).
6. The assembling machine table for the bushing of the shell of the rack and pinion steering gear according to claim 1, wherein: the press-fitting clamping cylinder (7) is inverted T-shaped, the press-fitting clamping cylinder (7) is fixedly mounted on the upper surface of the working panel (4) through a fixing bolt, a limiting cylinder (8) is mounted on the periphery of the lower end of the press-fitting clamping cylinder (7) through the fixing bolt, a reset spring (10) is mounted between the limiting cylinder (8) and the press-fitting clamping cylinder (7) through a spring seat (9), a press-fitting shrinkage cylinder (11) is movably mounted on the press-fitting clamping cylinder (7) above the spring seat (9), and the press-fitting shrinkage cylinder (11) is in contact connection with the spring seat (9).
7. The assembling machine table for the bushing of the shell of the rack and pinion steering gear according to claim 6, wherein: the press-fitting shrinkage cylinder (11) is a cylinder body with two open ends, the lower port of the press-fitting shrinkage cylinder (11) is in an expanding shape, and the upper port of the press-fitting shrinkage cylinder (11) is in a gradually shrinking shape.
8. The utility model provides an assembly board of rack and pinion steering gear casing bush, includes frame (3), work panel (4), goes up pressure equipment jar (5), jacking jar (6) and pressure equipment clamping barrel (7) down, its characterized in that: a working panel (4) is arranged on the rack (3), a bottom plate (18) is fixedly arranged on the working panel (4), and a press-fitting clamping cylinder (7) is movably arranged on the bottom plate (18) through a bearing seat (19); an upper press-fitting cylinder (5) is arranged on the rack (3) above the corresponding press-fitting clamping cylinder (7), and a lower pressure head (12) is arranged at the end of a piston rod of the upper press-fitting cylinder (5); a lower jacking cylinder (6) is installed on the rack (3) below the working panel (4), a radial extrusion rod (13) is arranged in a central hole of the press-mounting clamping cylinder (7), a piston rod of the lower jacking cylinder (6) penetrates through the working panel (4) to be connected with the radial extrusion rod (13), and a limiting head (2) is arranged at the top end of the press-mounting clamping cylinder (7); a rotating cylinder (20) is fixedly arranged on a bottom plate (18) on one side of a bottom flange of the press-fitting clamping cylinder (7), and a rotating column (21) is arranged on the bottom flange of the press-fitting clamping cylinder (7) corresponding to the rotating cylinder (20); a poke rod (23) is arranged on the bottom plate (18) on one side of the rotating column (21) through a positioning shaft (22), a U-shaped poking groove is formed in the end head of one end of the poke rod (23), and the poke rod (23) is connected with the rotating column (21) in a sliding mode through the poking groove; a rotating arm (24) of the rotating cylinder (20) is movably connected with the other end of the poke rod (23) through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110785609.4A CN113399986B (en) | 2021-07-12 | 2021-07-12 | Assembly board of rack and pinion steering gear casing bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110785609.4A CN113399986B (en) | 2021-07-12 | 2021-07-12 | Assembly board of rack and pinion steering gear casing bush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113399986A true CN113399986A (en) | 2021-09-17 |
| CN113399986B CN113399986B (en) | 2022-06-21 |
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ID=77686064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110785609.4A Active CN113399986B (en) | 2021-07-12 | 2021-07-12 | Assembly board of rack and pinion steering gear casing bush |
Country Status (1)
| Country | Link |
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| CN (1) | CN113399986B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056182A (en) * | 2022-07-04 | 2022-09-16 | 安徽德孚转向系统股份有限公司 | Rack shell assembly press-fitting tool for electric power steering system of light commercial vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729034A (en) * | 2012-07-23 | 2012-10-17 | 江苏松林汽车零部件有限公司 | Wedged connecting rod bushing press fitting positioning mechanism |
| CN104259826A (en) * | 2014-08-28 | 2015-01-07 | 芜湖恒隆汽车转向系统有限公司 | Retainer ring press-fitting device and retainer ring press-fitting method for rack shaft of pinion-and-rack type hydraulic steering gear |
| CN206084912U (en) * | 2016-09-27 | 2017-04-12 | 成都飞机工业（集团）有限责任公司 | Compound material spare and special bush automatic assembly's roof pressure head device |
| CN110977404A (en) * | 2019-12-26 | 2020-04-10 | 中信戴卡股份有限公司 | Knuckle press fitting equipment |
| CN211136190U (en) * | 2019-08-21 | 2020-07-31 | 平高集团有限公司 | Bush press fitting tool |
-
2021
- 2021-07-12 CN CN202110785609.4A patent/CN113399986B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729034A (en) * | 2012-07-23 | 2012-10-17 | 江苏松林汽车零部件有限公司 | Wedged connecting rod bushing press fitting positioning mechanism |
| CN104259826A (en) * | 2014-08-28 | 2015-01-07 | 芜湖恒隆汽车转向系统有限公司 | Retainer ring press-fitting device and retainer ring press-fitting method for rack shaft of pinion-and-rack type hydraulic steering gear |
| CN206084912U (en) * | 2016-09-27 | 2017-04-12 | 成都飞机工业（集团）有限责任公司 | Compound material spare and special bush automatic assembly's roof pressure head device |
| CN211136190U (en) * | 2019-08-21 | 2020-07-31 | 平高集团有限公司 | Bush press fitting tool |
| CN110977404A (en) * | 2019-12-26 | 2020-04-10 | 中信戴卡股份有限公司 | Knuckle press fitting equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056182A (en) * | 2022-07-04 | 2022-09-16 | 安徽德孚转向系统股份有限公司 | Rack shell assembly press-fitting tool for electric power steering system of light commercial vehicle |
| CN115056182B (en) * | 2022-07-04 | 2024-01-26 | 安徽德孚转向系统股份有限公司 | Rack shell assembly press-fitting tool for electric power steering system of light commercial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113399986B (en) | 2022-06-21 |
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