CN110936779B - Assembling device for torsion bar spring installation - Google Patents
Assembling device for torsion bar spring installation Download PDFInfo
- Publication number
- CN110936779B CN110936779B CN201911283070.1A CN201911283070A CN110936779B CN 110936779 B CN110936779 B CN 110936779B CN 201911283070 A CN201911283070 A CN 201911283070A CN 110936779 B CN110936779 B CN 110936779B
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- China
- Prior art keywords
- main rod
- spline
- positioning
- head
- torsion bar
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- 238000009434 installation Methods 0.000 title description 11
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/18—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only
- B60G11/20—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/13—Torsion spring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention provides an assembly device for mounting a torsion bar spring, which comprises a main rod serving as a main structure, a threaded sleeve connected and positioned with the main rod, a positioning block used for positioning a spline fixed position of a vehicle body, a spline head and a bolt head used for positioning the spline, a fixing pin used for positioning a tool state and a knocking hammer serving as a boosting tool, wherein the main rod is provided with a first end and a second end; the main rod penetrates through the middle of the threaded sleeve, one end of the main rod with a positioning pin hole is aligned with the positioning pin hole on the spline head, the positioning pin penetrates through the positioning pin hole to fix the spline head and the main rod, the knocking hammer is sleeved in the middle of the main rod, and the positioning block penetrates through the tail of the main rod and is fixedly connected; the bolt head is connected to the tail of the main rod. The invention can meet the stress application requirements of different states and improve the flexible design of the whole device; the core structure can be quickly replaced under the condition that the main structure of the device is unchanged, the utilization rate of the device is improved, and the remanufacturing cost of the device is reduced.
Description
Technical Field
The invention belongs to the technical field of torsion bar spring assembly, and particularly relates to an assembly device for torsion bar spring installation.
Background
The torsion bar spring is characterized in that the main body of the torsion bar spring is a straight bar, and the torsion bar is deformed by utilizing the torque of the bar to play a role of the spring. The torsion bar spring is mainly used for: 1) Suspension springs for sedans and small vehicles; 2) Because the torsion bar spring does not form flutter like a coil spring when bearing high-frequency vibration load, the torsion bar spring can be used as a valve spring in a high-speed internal combustion engine; 3) A torsion bar spring is inserted into the driving shaft for alleviating the change of torque; 4) On railway vehicles and automobiles buffered by using air springs, a large torsion bar spring is used as a voltage stabilizer; 5) Damping and suspending device for armored vehicle and other special equipment.
The torsion bar spring mainly comprises a rectangular spline torsion bar spring, an involute spline torsion bar spring, a fine tooth torsion bar spring, a hexagonal torsion bar spring and the like according to different structures. Wherein, because involute spline has the effect of automatic centering, each tooth atress is even, intensity is high, longe-lived, so adopts more. The large-structure torsion bar spring is commonly combined with the torsion bar spring bracket, the torsion bar spring bracket is fixed on the vehicle body, one end of the torsion bar spring is fixed on the vehicle body through a spline, the other end of the torsion bar spring is connected with a control arm of a suspension, and when a wheel moves up and down, the torsion bar spring can twist so as to play a role of a spring.
However, in the production and assembly processes of the torsion bar spring, the surface quality needs to be ensured, and the torsion bar spring cannot have any defects such as cracks, flaws, rust, oxidization and the like. The torsion bar spring tolerance level is higher, compares the size structure of spline, the interference volume of installation hardly guarantees smooth installation, and its active site is difficult for using pressure equipment, device, and hard the striking by the manual work can lead to local stress concentration, fracture etc. to lead to torsion bar spring to become invalid. Therefore, the indirect installation tool is designed, so that the assembly quality can be effectively improved, the cost is saved, and the working strength is reduced.
Disclosure of Invention
First, the technical problem to be solved
The invention provides an assembly device for torsion bar spring installation, which aims to solve the technical problems that in the process of the installation of a torsion bar spring, the interference in the installation process is difficult to ensure smooth installation, the action position of the assembly device is not easy to use pressure equipment and devices, and local stress concentration and torsion bar spring failure are caused by local cracks, fractures and the like due to hard knocking performed manually.
(II) technical scheme
In order to solve the technical problems, the invention provides an assembly device for torsion bar spring installation, which comprises a main rod serving as a main structure, a threaded sleeve connected with the main rod for positioning, a positioning block used for positioning at a fixed position with a vehicle body spline, a spline head and a bolt head used for positioning with the spline, a fixing pin used for positioning a tool state and a knocking hammer serving as a boosting tool; the main rod penetrates through the middle of the threaded sleeve, one end of the main rod with a positioning pin hole is aligned with the positioning pin hole on the spline head, the positioning pin penetrates through the positioning pin hole to fix the spline head and the main rod, the knocking hammer is sleeved in the middle of the main rod, and the positioning block penetrates through the tail of the main rod and is fixedly connected; the bolt head is connected to the tail of the main rod.
Further, the spline head and the threaded sleeve are welded together.
Further, the positioning block penetrates through the tail of the main rod and is welded and connected.
Further, the bolt head is connected with the threaded hole at the tail part of the main rod.
(III) beneficial effects
The invention provides an assembly device for mounting a torsion bar spring, which comprises a main rod serving as a main structure, a threaded sleeve connected and positioned with the main rod, a positioning block used for positioning a spline fixed position of a vehicle body, a spline head and a bolt head used for positioning the spline, a fixing pin used for positioning a tool state and a knocking hammer serving as a boosting tool, wherein the main rod is provided with a first end and a second end; the main rod penetrates through the middle of the threaded sleeve, one end of the main rod with a positioning pin hole is aligned with the positioning pin hole on the spline head, the positioning pin penetrates through the positioning pin hole to fix the spline head and the main rod, the knocking hammer is sleeved in the middle of the main rod, and the positioning block penetrates through the tail of the main rod and is fixedly connected; the bolt head is connected to the tail of the main rod.
The invention has the following beneficial effects:
1. the device structure meets the stress application requirements of three different states, can be used according to actual needs, improves the flexible design of the whole device, can remove unnecessary states for special production environments, and uses partial structures to finish work;
2. the light weight design is adopted, the whole device is easy to operate, the weight is light, the structure is small, the force loss in the stress application process is low, and the use efficiency is high;
3. the core structure such as the spline head and the bolt head can be replaced, so that the quick replacement can be realized under the condition that the main body structure of the device is unchanged, the utilization rate of the device is improved, and the remanufacturing cost of the device is reduced;
4. the whole structure accords with engineering design, has high use reliability and durability, and can continuously ensure the mass production requirement.
Drawings
FIG. 1 is a schematic view of an assembling device according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembling device according to an embodiment of the present invention (extended state);
FIG. 3 is a schematic diagram of a main lever structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a spline head according to an embodiment of the present invention;
FIG. 5 is a schematic view of a bolt head according to an embodiment of the present invention;
FIG. 6 is a schematic view of an environment in which an assembly device according to an embodiment of the present invention is used;
FIG. 7 is a schematic view of the operational effect of the assembly device of the present invention (for torsion bar springs with bolt holes at the splined end);
FIG. 8 is a schematic view of the effect of the assembly device of the present invention (for torsion bar springs without bolt holes);
Fig. 9 is a schematic view showing the effect of the assembly device according to the embodiment of the present invention (for the torsion bar spring spline mounting position lower than the outermost surface of the vehicle body).
Detailed Description
To make the objects, contents and advantages of the present invention more apparent, the following detailed description of the present invention will be given with reference to the accompanying drawings and examples.
The present embodiment proposes an assembly device for torsion bar spring installation, the structure of which is shown in fig. 1 and 2, comprising a main rod 3 (structure shown in fig. 3) as a main structure, a threaded sleeve 2 connected and positioned with the main rod 3, a positioning block 4 positioned at a fixed position with a vehicle body spline, a spline head 1 (structure shown in fig. 4) and a bolt head 6 (structure shown in fig. 5) positioned with the spline, a positioning pin 7 in a positioning tool state, and a biasing tool knocking hammer 5.
The spline head 1 and the threaded sleeve 2 are welded together, the main rod 3 passes through the middle of the threaded sleeve 2, one end with a positioning pin hole is aligned with the positioning pin hole on the spline head 1, the positioning pin 7 penetrates into the fixed spline head 1 and the main rod 3, the knocking hammer 5 is sleeved in the middle of the main rod 3, the positioning block 4 penetrates through the tail of the main rod 3 and is welded and connected, and the knocking hammer 5 is mainly used for knocking the threaded sleeve 2 and the positioning block 4 during assembly, so that firm connection and durability are required to be welded and guaranteed. The bolt head 6 is connected with the tail threaded hole of the main rod 3, so that the disassembly and the replacement are convenient.
The assembly device for torsion bar spring mounting of the present embodiment, which is a typical use environment, specifically cooperates with typical components composed of torsion bar springs 201, torsion bar spring brackets 202, a vehicle body 203, suspension control arms 204, and wheels 205, as shown in fig. 2. The assembly device has three use modes, and specifically comprises:
1. For the torsion bar spring with bolt holes at the spline end, as shown in fig. 4, the bolt head 6 can be matched with the bolt holes of the torsion bar spring 201 to install the device on the torsion bar spring 201, after the torsion bar spring 201 is aligned with the spline fixing groove of the torsion bar spring bracket 202, the torsion bar spring 201 is gradually pressed in by pushing the knocking hammer 5 back and forth on the main rod 3 to strike the positioning block 4 and utilizing inertia and force transmission, and the assembly reaching position is determined by the sizes of the positioning block 4 and the bolt head 6, so that the assembly is completed;
2. As shown in fig. 5, the torsion bar spring 201 without a bolt hole is mounted using the spline head 1 end of the device. First, the threaded connection between the main rod 3 and the threaded sleeve 2 is released, and the positioning pin 7 is placed at the end of the spline head 1. The spline head 1 and the torsion bar spring 201 are installed in a spline fit mode, the end of the main rod 3 is used for fixing, the torsion bar spring 201 is aligned to the torsion bar spring bracket 202, the torsion bar spring 201 is gradually pressed into an assembling position by pushing the knocking hammer 5 back and forth on the main rod 3 to strike the threaded sleeve 2 and using inertia and force transmission, and assembling is completed;
3. As for the assembly structure in which the spline mounting position of torsion bar spring 201 is lower than the outermost surface of vehicle body 203, as shown in fig. 6, after the assembly of the 2 nd type is completed, torsion bar spring 201 reaches the outermost end position of vehicle body 203. At this time, the device is detached from the torsion bar spring 201, the main rod 3 and the threaded sleeve 2 are connected together by reserved threads, the main rod 3 extends out of the spline head 1, and the positioning pin 7 is positioned at one end of the spline head 1. At this time, the spline head 1 is guaranteed to be smaller than the torsion bar spring bracket 202 assembly groove in design, and the force assembly is continued by using the protruding head and the spline end of the spline head 1 until the torsion bar spring 201 is assembled.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (4)
1. The assembly device for mounting the torsion bar spring is characterized by comprising a main rod serving as a main structure, a threaded sleeve connected and positioned with the main rod, a positioning block used for positioning at a fixed position with a vehicle body spline, a spline head and a bolt head used for positioning with the spline, a fixing pin used for positioning a tool state and a knocking hammer serving as a boosting tool; the main rod passes through the middle of the threaded sleeve, one end of the main rod with a positioning pin is aligned with a positioning pin hole on the spline head, the positioning pin penetrates into the positioning pin hole to fix the spline head and the main rod, the knocking hammer is sleeved in the middle of the main rod, and the positioning block penetrates through the tail of the main rod and is fixedly connected; the bolt head is connected to the tail part of the main rod; the positioning pin hole is a long hole along the length direction of the main rod, the size of the spline head is smaller than that of the torsion bar spring support assembly groove, the threaded sleeve is in threaded connection with the main rod, the threaded sleeve and the spline head can slide relative to the main rod, and when the main rod is fixedly connected with the threaded sleeve through threads, the positioning pin is located at one end of a spline of the spline head, and the main rod extends out of the spline head.
2. The assembly device of claim 1, wherein the spline head is welded to the threaded sleeve.
3. The assembly device of claim 1, wherein the locating block is threaded through the tail of the main rod and is welded.
4. The assembly device of claim 1, wherein the bolt head is connected to the threaded bore in the tail portion of the main rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911283070.1A CN110936779B (en) | 2019-12-13 | 2019-12-13 | Assembling device for torsion bar spring installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911283070.1A CN110936779B (en) | 2019-12-13 | 2019-12-13 | Assembling device for torsion bar spring installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110936779A CN110936779A (en) | 2020-03-31 |
| CN110936779B true CN110936779B (en) | 2024-06-11 |
Family
ID=69910823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911283070.1A Active CN110936779B (en) | 2019-12-13 | 2019-12-13 | Assembling device for torsion bar spring installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110936779B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU18249U1 (en) * | 2000-11-22 | 2001-06-10 | Открытое акционерное общество "ГАЗ" | DEVICE FOR REMOVING AND INSTALLING SUSPENSION PARTS |
| KR20090119331A (en) * | 2008-05-16 | 2009-11-19 | 현대중공업 주식회사 | Pin fitting disassembly sliding hammer |
| CN202292639U (en) * | 2011-10-31 | 2012-07-04 | 神华集团有限责任公司 | Disassembling tool |
| CN205075004U (en) * | 2015-09-17 | 2016-03-09 | 山东能源重装集团中矿采煤机制造有限公司 | Apparatus for detaching pin |
| WO2016108365A1 (en) * | 2014-12-29 | 2016-07-07 | 안준승 | Puller for vehicle hub |
| CN206286794U (en) * | 2016-11-10 | 2017-06-30 | 武汉宇利和机电技术有限公司 | The dismounting assembling device bed of anti-side rolling torsion rod bearing |
| CN211567584U (en) * | 2019-12-13 | 2020-09-25 | 北京北方车辆集团有限公司 | Assembling device for mounting torsion bar spring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2417287A1 (en) * | 2003-01-24 | 2004-07-24 | Michael Antoniades | Slide hammer |
-
2019
- 2019-12-13 CN CN201911283070.1A patent/CN110936779B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU18249U1 (en) * | 2000-11-22 | 2001-06-10 | Открытое акционерное общество "ГАЗ" | DEVICE FOR REMOVING AND INSTALLING SUSPENSION PARTS |
| KR20090119331A (en) * | 2008-05-16 | 2009-11-19 | 현대중공업 주식회사 | Pin fitting disassembly sliding hammer |
| CN202292639U (en) * | 2011-10-31 | 2012-07-04 | 神华集团有限责任公司 | Disassembling tool |
| WO2016108365A1 (en) * | 2014-12-29 | 2016-07-07 | 안준승 | Puller for vehicle hub |
| CN205075004U (en) * | 2015-09-17 | 2016-03-09 | 山东能源重装集团中矿采煤机制造有限公司 | Apparatus for detaching pin |
| CN206286794U (en) * | 2016-11-10 | 2017-06-30 | 武汉宇利和机电技术有限公司 | The dismounting assembling device bed of anti-side rolling torsion rod bearing |
| CN211567584U (en) * | 2019-12-13 | 2020-09-25 | 北京北方车辆集团有限公司 | Assembling device for mounting torsion bar spring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110936779A (en) | 2020-03-31 |
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