CN217224247U - Six-hole coaxial positioning device for special vehicle - Google Patents
Six-hole coaxial positioning device for special vehicle Download PDFInfo
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- CN217224247U CN217224247U CN202123176268.5U CN202123176268U CN217224247U CN 217224247 U CN217224247 U CN 217224247U CN 202123176268 U CN202123176268 U CN 202123176268U CN 217224247 U CN217224247 U CN 217224247U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model provides a six coaxial positioner in hole of special type vehicle, keep off dish, retaining ring, bush, position sleeve, thread bush, hand (hold), lid, central location axle, central location cover, location pointer, first location axle, second location axle and unidirectional thrust ball bearing including locating rack assembly, location connecting rod assembly, location. The device can realize six-hole batch quick clamping and positioning of heavy parts such as a gearbox bracket, a gear chamber and the like, can keep higher repeated positioning precision, is firm in clamping and reduces the labor intensity of manpower; the device has enough rigidity, and ensures the stability and consistency of the welding quality in the welding process; through the dismouting of different location axle, can realize the switching of frock under the different processes, but the centre part positioning accuracy remains unchanged, can reach and reduce the influence that welding process heat influence brought to the part deformation.
Description
Technical Field
The utility model belongs to the technical field of welding frock clamp, concretely relates to six coaxial positioner in hole of special type vehicle.
Background
The gearbox support and the gear chamber are key components of special vehicle action components, the gear chamber is of a porous cavity structure, the size of parts is large, the gearbox support and the gear chamber are used in a combined mode when a vehicle body is installed, six-hole concentric positioning and welding are required to be achieved on a span several meters long, and high coaxiality is required. At present, the positioning distance of the center of a vehicle body and parts needs to be measured manually by an operator, the operator needs heavy manual labor in the whole process of loading and unloading, the parts are in a free state after being positioned, the parts can deform along with surrounding parts under a large heat input condition, the positioning precision changes greatly, and large workload and difficulty are brought to a subsequent machining process. Therefore, a multipurpose six-hole coaxial positioning device needs to be designed, so that the gearbox support and the gear chamber can be quickly clamped and positioned and aligned with the center of the vehicle body, the influence of size change caused by manual operation is reduced, the multipurpose six-hole coaxial positioning device can be used as a rigid fixing tool and a positioning shaft during welding, part deformation is effectively controlled, six-hole coaxiality is guaranteed to be always within a controllable range, and the multipurpose requirement is met.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a six coaxial positioner in hole of special type vehicle to solve and how to guarantee the porous concentric precision of special type vehicle and stability, guarantee accurate alignment automobile body central point under the prerequisite of position size accuracy and put, satisfy the technical problem that spare part combination precision and automatic weld control warp needs.
(II) technical scheme
In order to solve the technical problem, the utility model provides a six-hole coaxial positioning device for special vehicle, which comprises a positioning frame assembly, a positioning connecting rod assembly, a positioning baffle disc, a retainer ring, a bushing, a positioning sleeve, a threaded sleeve, a handle, a cover, a central positioning shaft, a central positioning sleeve, a positioning pointer, a first positioning shaft, a second positioning shaft and a one-way thrust ball bearing; wherein the content of the first and second substances,
the central positioning sleeve is clamped at the central position of the central positioning shaft, one end of the positioning connecting rod assembly is connected with the central positioning sleeve in a welding mode, and the other end of the positioning connecting rod assembly is clamped with a positioning pointer which can rotate around the central positioning shaft along with the central positioning sleeve and is always positioned at the central position pointing to the central positioning shaft;
the central positioning shaft is provided with two step platforms which are respectively provided with two positioning baffle discs in a clamping way; the positioning blocking disc is provided with a step platform and a plurality of positioning holes, and the positioning holes are all in an axial through hole structure and are uniformly arranged around the center of the blocking disc at intervals;
each positioning baffle disc is provided with a plurality of positioning frame assemblies, each positioning frame assembly consists of a screw rod and a positioning block, the screw rods are connected with the positioning blocks through threads, the screw rods penetrate through the positioning holes in the positioning baffle discs, and the workpieces are locked through the matching of the positioning baffle discs and the positioning frame assemblies;
a flange baffle disc is arranged on the first positioning shaft, and the end part of the inner side of the flange baffle disc is connected with the central positioning shaft through external threads and used for positioning a workpiece; the two first positioning shafts are respectively connected to two ends of the central positioning shaft through flange blocking discs; the outer side of the flange blocking disc is connected with a second positioning shaft through threads;
the second positioning shaft is of a stepped shaft structure, and a small-diameter section of the second positioning shaft is screwed into a threaded hole at the outer side end of the first positioning shaft through external threads and is positioned through the stepped shaft structure;
the bushing is positioned outside the positioning baffle disc, is connected with the central positioning shaft through the positioning pin and is clamped by adopting the check ring; the threaded sleeve is connected to the outer side of the bushing through threads, the handle is installed on the threaded sleeve, and the threaded sleeve can move forwards or backwards along the axial direction of the central positioning shaft by rotating the handle; the cover is connected with the positioning sleeve and the threaded sleeve together through the positioning of the punching screw, the positioning sleeve and the central positioning shaft are matched in a machining surface mode, the one-way thrust ball bearing is installed between the positioning sleeve and the threaded sleeve, and the thrust ball bearing is used for driving the positioning sleeve to move forwards or backwards along the axial direction of the central positioning shaft to achieve clamping and positioning of a workpiece.
Furthermore, the central positioning shaft is made of a hot-rolled steel pipe.
Furthermore, each positioning baffle disc is provided with three positioning frame assemblies, and the three positioning frame assemblies are distributed on the positioning baffle disc at intervals of 120 degrees.
Furthermore, the gearbox support with the positioning hole is locked by matching the positioning blocking disc with the positioning frame assembly.
Furthermore, the positioning sleeve and the threaded sleeve are used for locking the gear chamber with the positioning hole on each of the two sides.
(III) advantageous effects
The utility model provides a six coaxial positioner in hole of special type vehicle, including locating rack assembly, location connecting rod assembly, location fender dish, retaining ring, bush, position sleeve, thread bush, hand (hold), lid, central location axle, central location cover, location pointer, first location axle, second location axle and unidirectional thrust ball bearing. The device can realize six-hole batch quick clamping and positioning of heavy parts such as a gearbox bracket, a gear chamber and the like, can keep higher repeated positioning precision, is firm in clamping and reduces the labor intensity of manpower; the device has enough rigidity, and ensures the stability and consistency of the welding quality in the welding process; through the dismouting of different location axle, can realize the switching of frock under the different processes, but the center part positioning accuracy remains unchanged, can reach the influence that reduces welding process heat influence and bring the part deformation.
Drawings
Fig. 1 is an isometric view of a six-hole coaxial positioning device according to an embodiment of the present invention;
fig. 2 is a top view of a six-hole coaxial positioning device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic view of a usage status of the six-hole coaxial positioning device according to the embodiment of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following description will make a detailed description of embodiments of the present invention with reference to the accompanying drawings and examples.
The embodiment provides a six-hole coaxial positioning device for a special vehicle, which has a structure shown in fig. 1-3 and mainly comprises a positioning frame assembly 1, a positioning connecting rod assembly 2, a positioning baffle disc 3, a retainer ring 4, a bushing 5, a positioning sleeve 6, a threaded sleeve 7, a handle 8, a cover 9, a central positioning shaft 10, a central positioning sleeve 11, a positioning pointer 12, a first positioning shaft 13, a second positioning shaft 14 and a one-way thrust ball bearing 15. The method of use of the positioning device is shown in fig. 4.
The central positioning shaft 10 is a core supporting component of the device and is made of hot rolled steel pipes, and in order to ensure the strength of the whole device in a large span, the central positioning shaft needs to be subjected to heat treatment to improve the strength.
The central positioning sleeve 11 is clamped at the central position of the central positioning shaft 10, one end of the positioning connecting rod assembly 2 is connected with the central positioning sleeve 11 in a welding mode, the other end of the positioning connecting rod assembly is clamped with a positioning pointer 12, and the positioning pointer 12 can rotate around the central positioning shaft 10 along with the central positioning sleeve 11 and is always located at the central position pointing to the central positioning shaft 10. The positioning connecting rod assembly 2 is used for positioning, the center line can be quickly aligned, multiple times of measurement and calibration are not needed, and the position of the center line of the vehicle body can be accurately indicated when the vehicle is clamped and positioned, so that centering is facilitated, and data deviation caused by three-dimensional space dimension measurement is avoided.
The central positioning shaft 10 is provided with two step platforms which are respectively provided with two positioning baffle discs 3 in a clamping way. The positioning blocking discs 3 are provided with an organic step adding platform and positioning holes, the number of the positioning holes in each positioning blocking disc 3 is eight, the positioning holes are of axial through hole structures, and the positioning holes are uniformly arranged around the centers of the blocking discs 3 at intervals.
The number of the positioning frame assemblies 1 is six, three positioning baffle discs 3 are arranged on each positioning frame assembly 1, each positioning frame assembly 1 is composed of a screw rod and a positioning block, the screw rods are connected with the positioning blocks through threads, and the screw rods penetrate through positioning holes in the positioning baffle discs 3. The three positioning frame assemblies 1 are distributed on the positioning baffle disc 3 at intervals of 120 degrees. When the workpiece 2 and the workpiece 3 are clamped on the positioning baffle disc 3, the workpiece 2 and the workpiece 3 can be tightly clamped through the locking fit of the positioning baffle disc 3 and the positioning frame assembly 1; the positioning frame assembly 1 is loosened, the rotating angles of the workpiece 2 and the workpiece 3 can be adjusted, and the accuracy of the angle between the workpiece 2 and the workpiece 3 can be ensured after the workpiece is locked.
The first positioning shaft 13 is provided with a flange blocking disc, and the end part of the inner side of the flange blocking disc is tightly combined with the central positioning shaft 10 through external threads and used for accurately positioning the workpiece 1 and the workpiece 4. The two first positioning shafts 13 are respectively connected to two ends of the central positioning shaft 10 through flange plates. The outer side of the flange blocking disc is connected with a second positioning shaft 14 through a thread structure.
The second location axle 14 is the design of step shaft, and its minor diameter section passes through the screw hole of external screw thread screw in first location axle 13 outside end to fix a position through the step shaft structure, realize the extension of central location axle 10, guarantee the dress card location needs on different process composite set.
The bush 5 is located the location and keeps off the 3 outsides of dish, links to each other and adopts retaining ring 4 dress card with central positioning shaft 10 through the locating pin, and retaining ring 4 can guarantee the location accuracy and the fastness of bush 5. The threaded sleeve 7 is connected to the outer side of the bushing 5 through threads, the handle 8 is installed on the threaded sleeve 7, and the threaded sleeve 7 can move forwards or backwards along the axial direction of the central positioning shaft 10 by rotating the handle 8. The cover 9 is used for connecting the positioning sleeve 6 and the threaded sleeve 7 together through the positioning of the punching screw, the positioning sleeve 6 and the central positioning shaft 10 are matched in a machining surface mode, the one-way thrust ball bearing 15 is installed between the positioning sleeve 6 and the threaded sleeve 7, the thrust ball bearing 15 can drive the positioning sleeve 6 to axially advance or retreat along the central positioning shaft 10, the smooth and stable movement is guaranteed, and the rapid clamping and positioning of the workpiece 1 and the workpiece 4 are achieved.
The workpiece 1 and the workpiece 4 are in a cavity structure, such as a gear chamber, and two positioning holes are respectively arranged on two sides of the workpiece. The workpiece 2 and the workpiece 3, such as a gearbox bracket, are respectively provided with a positioning hole, and the special vehicle transmission device has higher requirements on the matching precision of six holes, so that the transmission device is ensured to be installed smoothly. Through the cooperation of the central positioning shaft 10, the first positioning shaft 13, the second positioning shaft 14 and the positioning baffle disc 3, the coaxial positioning precision of six holes on the workpiece 1, the workpiece 2, the workpiece 3 and the workpiece 4 can be ensured, and the positioning assembly welding of the part assembly is realized. The second positioning shaft 14 can be disassembled to be clamped on a welding tool for welding, so that the multipurpose requirement is met, an additional tool does not need to be designed, and the rigidity and the size meet the performance requirement under the condition of large heat input. The positioning frame assembly 1 and the positioning baffle disc 3 are matched with the central positioning shaft 10 for positioning, so that the workpiece 2 and the workpiece 3 can be quickly positioned without calibration.
In order to ensure the strength of the whole structure, the device is integrally made of 45# steel and is subjected to heat treatment to ensure the strength of the structure.
This device can be simultaneously to six hole coaxial positioning of four large-scale parts of gear room and gearbox support (respectively two), guarantees the drawing positioning accuracy requirement, through dismantling combination frock, can satisfy the demand that the part fully welds, reduces the switching of many sets of frock, saves material and manpower, and through rigid fixation, can reduce the influence that heat input warp the part and bring, improves the precision of part greatly, reduces the subsequent handling machine and adds the cutting output, can save man-hour, reduce cost.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (5)
1. A six-hole coaxial positioning device for a special vehicle is characterized by comprising a positioning frame assembly, a positioning connecting rod assembly, a positioning baffle disc, a retainer ring, a bushing, a positioning sleeve, a threaded sleeve, a handle, a cover, a central positioning shaft, a central positioning sleeve, a positioning pointer, a first positioning shaft, a second positioning shaft and a one-way thrust ball bearing; wherein the content of the first and second substances,
the central positioning sleeve is clamped in the central position of the central positioning shaft, one end of the positioning connecting rod assembly is connected with the central positioning sleeve in a welding mode, and the other end of the positioning connecting rod assembly is clamped with the positioning pointer which can rotate around the central positioning shaft along with the central positioning sleeve and is always positioned in the central position pointing to the central positioning shaft;
the central positioning shaft is provided with two step platforms which are respectively provided with two positioning baffle discs in a clamped mode; the positioning blocking disc is provided with a step platform and a plurality of positioning holes, and the positioning holes are all in an axial through hole structure and are uniformly arranged around the center of the blocking disc at intervals;
each positioning baffle disc is provided with a plurality of positioning frame assemblies, each positioning frame assembly consists of a screw rod and a positioning block, the screw rods are connected with the positioning blocks through threads, the screw rods penetrate through the positioning holes in the positioning baffle discs, and the workpieces are locked through the matching of the positioning baffle discs and the positioning frame assemblies;
a flange baffle disc is arranged on the first positioning shaft, and the end part of the inner side of the flange baffle disc is connected with the central positioning shaft through external threads and used for positioning a workpiece; the two first positioning shafts are respectively connected to two ends of the central positioning shaft through flange blocking discs; the outer side of the flange blocking disc is connected with a second positioning shaft through threads;
the second positioning shaft is of a stepped shaft structure, and a small-diameter section of the second positioning shaft is screwed into a threaded hole in the outer side end of the first positioning shaft through external threads and is positioned through the stepped shaft structure;
the bushing is positioned on the outer side of the positioning baffle disc, is connected with the central positioning shaft through the positioning pin and is clamped by the baffle ring; the threaded sleeve is connected to the outer side of the bushing through threads, the handle is installed on the threaded sleeve, and the threaded sleeve can move forwards or backwards along the axial direction of the central positioning shaft by rotating the handle; the cover is connected with the locating sleeve and the threaded sleeve together through the positioning of the punching screw, the locating sleeve and the central locating shaft are matched through machining surfaces, a one-way thrust ball bearing is installed between the locating sleeve and the threaded sleeve, and the thrust ball bearing is used for driving the locating sleeve to axially advance or retreat along the central locating shaft, so that clamping and locating of a workpiece are achieved.
2. A six-hole coaxial positioning device according to claim 1, wherein said central positioning shaft is made of hot rolled steel tube.
3. A six-hole coaxial positioning device according to claim 1, wherein each positioning catch plate is provided with three positioning bracket assemblies, and the three positioning bracket assemblies are arranged on the positioning catch plate at intervals of 120 °.
4. A six-hole coaxial positioning device according to claim 1, wherein the engagement of the positioning block disc with the positioning frame assembly locks the transmission case holder with the positioning holes.
5. A six-hole coaxial positioning device according to claim 1, wherein the positioning sleeve and the threaded sleeve are used for locking a gear chamber having one positioning hole on each of two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123176268.5U CN217224247U (en) | 2021-12-16 | 2021-12-16 | Six-hole coaxial positioning device for special vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123176268.5U CN217224247U (en) | 2021-12-16 | 2021-12-16 | Six-hole coaxial positioning device for special vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217224247U true CN217224247U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123176268.5U Active CN217224247U (en) | 2021-12-16 | 2021-12-16 | Six-hole coaxial positioning device for special vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217224247U (en) |
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2021
- 2021-12-16 CN CN202123176268.5U patent/CN217224247U/en active Active
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