Machining and positioning tool for locking pin hole of observing and aiming rotating shaft of howitzer
By designing a positioning tool for viewing rotation shaft lock pin hole processing and positioning tool for 35 howitzer, using the coordination of the limit ring groove group, end limit plate and positioning bolts, the precise limiting of viewing rotation shaft and the high-precision processing of the lock pin hole are achieved, and the problem of insufficient processing accuracy in the prior art is solved.
Patent Information
- Application Number
- CN202420510357.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-16
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-16
AI Technical Summary
On the 35 howitzer, it is difficult to achieve accurate limiting and processing during the processing of the lock pin hole of the aiming rotation shaft, resulting in insufficient processing accuracy.
A howitzer sight-seeing rotation shaft lock pin hole processing and positioning tooling is designed. Through the coordination of the limit ring groove group, end limit plate and positioning bolts, the axial and radial limit of the sight-seeing rotation shaft is realized, and the lock pin holes are accurately processed through the drilling holes on the drill sleeve.
The machining accuracy of the lock pin hole is effectively improved, the axial and radial limits of the rotation shaft of the howitzer's sighting aiming are ensured, and the problem of insufficient machining accuracy in the prior art is solved.
Smart Images
Figure CN222552256U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of howitzer sighting and aiming rotating shaft processing, in particular to a howitzer sighting and aiming rotating shaft locking pin hole processing and positioning tooling. Background Art
[0002] The 35 howitzer will be equipped with an aiming and sighting rotating shaft that connects the aiming and sighting bracket arm and the aiming and sighting guide rail. At the same time, a locking pin hole will be opened on the aiming and sighting rotating shaft, and the aiming and sighting rotating shaft will be locked by a cotter pin inside the locking pin hole.
[0003] During the machining process of the locking pin hole of the 35mm howitzer sighting and aiming rotating shaft, the howitzer sighting and aiming rotating shaft needs to be clamped and fixed to achieve axial and radial limiting of the howitzer sighting and aiming rotating shaft, and then drilling is performed to ensure the machining accuracy of the locking pin hole.
[0004] Therefore, in view of the shortcomings of the prior art, it is necessary to provide a howitzer sighting and rotating shaft locking pin hole processing and positioning tooling to solve the shortcomings of the prior art. Utility Model Content
[0005] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a howitzer sighting and rotating shaft locking pin hole processing and positioning tooling, the howitzer sighting and rotating shaft locking pin hole processing and positioning tooling by movably plugging the howitzer sighting and rotating shaft in the internal limit ring groove group, while limiting one end of the howitzer sighting and rotating shaft by the end limit plate, and then driving the upper cover body to vertically displace by the rotation of the positioning bolt, the howitzer sighting and rotating shaft is pressed, the processing equipment processes the locking pin hole of the howitzer sighting and rotating shaft through the drill hole on the drill sleeve, and limits the howitzer sighting and rotating shaft axially and radially, thereby ensuring the processing accuracy of the locking pin hole.
[0006] The above-mentioned purpose of the utility model is achieved through the following technical means.
[0007] Provided is a howitzer sighting and aiming rotating shaft locking pin hole processing and positioning tooling, comprising a positioning lower seat body, a positioning screw hole is provided in the center of the positioning lower seat body, a positioning upper cover body is movably installed above the positioning lower seat body, a positioning bolt is movably installed in the center of the positioning upper cover body, the bottom of the positioning bolt passes through the positioning upper cover body and is screw-matched with the positioning screw hole, and elastic guide mechanisms are provided on the positioning upper cover body and the positioning lower seat body on both sides of the positioning screw hole;
[0008] The positioning upper cover body and the positioning lower seat body are both provided with a plurality of groups of matching limiting ring groove groups, each limiting ring groove group is movably connected with the howitzer aiming and viewing rotating axis inside, a drill sleeve is installed on the positioning upper cover body above the howitzer aiming and viewing rotating axis, a drill hole is opened on the drill sleeve, and an end limiting plate is fixedly installed on the side of the positioning lower seat body close to the drill sleeve.
[0009] Specifically, the elastic guide mechanism includes two guide columns installed on the positioning upper cover body, and the two guide columns are symmetrically installed at both ends of the positioning upper cover body with the central axis of the positioning bolt as the symmetry axis. A guide groove is opened inside the positioning lower seat body, and the guide column is movably inserted inside the guide groove. Matching elastic movable groove groups are opened on both sides of each guide column inside the positioning upper cover body and the positioning lower seat body, and a return spring is movably installed inside the elastic movable groove group, and the top and bottom of the return spring are respectively connected to the positioning upper cover body and the positioning lower seat body.
[0010] Preferably, a lower drilling groove corresponding to the drilling position is provided on the positioning lower seat body.
[0011] Specifically, a hexagonal screw hole is provided on the nut of the positioning bolt.
[0012] Furthermore, the length H1 of the screw rod of the positioning bolt is greater than the radius r1 of the howitzer sighting rotation axis.
[0013] The utility model movably inserts the howitzer sighting and rotating shaft in the limiting ring groove group, limits one end of the howitzer sighting and rotating shaft by the end limiting plate, and then drives the upper cover body to vertically displace by the rotation of the positioning bolt, and presses the howitzer sighting and rotating shaft. The processing equipment processes the locking pin hole of the howitzer sighting and rotating shaft through the drilling hole on the drilling sleeve, and limits the howitzer sighting and rotating shaft in the axial direction and the radial direction, thereby ensuring the processing accuracy of the locking pin hole. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The present invention is further described with reference to the accompanying drawings, but the contents in the accompanying drawings do not constitute any limitation to the present invention.
[0015] Figure 1 The utility model is a three-dimensional structural schematic diagram of a howitzer sighting and aiming rotating shaft locking pin hole processing and positioning tooling.
[0016] Figure 2 The utility model is a schematic diagram of the top view structure of a howitzer sighting and aiming rotating shaft locking pin hole processing and positioning tooling.
[0017] Figure 3 The utility model is a howitzer sighting rotation axis locking pin hole processing positioning tool Figure 2 Schematic diagram of the HH cross section.
[0018] Figure 4 The utility model is a main structural schematic diagram of a howitzer sighting and aiming rotating shaft locking pin hole processing and positioning tooling.
[0019] Figure 5 The utility model is a howitzer sighting rotation axis locking pin hole processing positioning tool Figure 4 Schematic diagram of the FF cross section.
[0020] Figure 6 The utility model is a rear view structural schematic diagram of a howitzer sighting and aiming rotating shaft locking pin hole processing and positioning tooling.
[0021] Figure 7 The utility model is a howitzer sighting rotation axis locking pin hole processing positioning tool Figure 6 Schematic diagram of the GG cross section.
[0022] from Figures 1 to 7 Including:
[0023] 1. Position the lower seat body;
[0024] 2. Positioning screw holes;
[0025] 3. Position the upper cover;
[0026] 4. Positioning bolts;
[0027] 5. Elastic guide mechanism;
[0028] 51. guide column, 52. guide groove, 53. elastic movable groove group, 54. return spring;
[0029] 6. Limiting ring groove group;
[0030] 7. Howitzer sighting and rotation axis;
[0031] 8. Drill sleeve;
[0032] 9. Drilling;
[0033] 10. End limit plate;
[0034] 11. Drilling groove;
[0035] 12. Hexagonal screw hole. DETAILED DESCRIPTION
[0036] The utility model is further described in conjunction with the following embodiments.
[0037] Example 1.
[0038] like Figure 1-7 As shown, a howitzer sighting rotation axis locking pin hole processing positioning tool includes a positioning lower seat body 1, a positioning screw hole 2 is opened in the center of the positioning lower seat body 1, a positioning upper cover body 3 is movably installed above the positioning lower seat body 1, a positioning bolt 4 is movably installed in the center of the positioning upper cover body 3, the bottom of the positioning bolt 4 passes through the positioning upper cover body 3 and is spirally matched with the positioning screw hole 2, and elastic guide mechanisms 5 are provided on the positioning upper cover body 3 and the positioning lower seat body 1 on both sides of the positioning screw hole 2.
[0039] The present application is used to position the howitzer aiming and rotating axis 7, thereby facilitating the processing of the locking pin hole and improving the processing accuracy of the locking pin hole. First, the positioning upper cover body 3 is movably positioned by positioning the lower seat body 1. The rotation of the positioning screw hole 2 causes the positioning screw hole 2 to move toward one end of the positioning screw hole 2 that is screw-matched with it, while driving the positioning upper cover body 3 to be pressed downward. The positioning upper cover body 3 is fixed in the downward direction by the elastic guide mechanism 5.
[0040] The positioning upper cover body 3 and the positioning lower seat body 1 are both provided with a plurality of groups of matching limiting ring groove groups 6, each limiting ring groove group 6 has a howitzer sighting and aiming rotating shaft 7 movably inserted inside, a drill sleeve 8 is installed on the positioning upper cover body 3 above the howitzer sighting and aiming rotating shaft 7, a drill hole 9 is opened on the drill sleeve 8, and an end limiting plate 10 is fixedly installed on one side of the positioning lower seat body 1 close to the drill sleeve 8.
[0041] The howitzer sighting and aiming rotating shaft 7 is movably installed by positioning the upper cover body 3 and the lower seat body 1 inside the limiting ring groove group 6. One end of the howitzer sighting and aiming rotating shaft 7 is axially limited by the end limiting plate 10. The locking pin hole of the howitzer sighting and aiming rotating shaft 7 is processed by entering the drill hole 9 opened on the upper drill sleeve 8 through the processing equipment.
[0042] The elastic guiding mechanism 5 includes two guiding columns 51 installed on the positioning upper cover body 3. The two guiding columns 51 are symmetrically installed at both ends of the positioning upper cover body 3 with the central axis of the positioning bolt 4 as the axis of symmetry. A guiding groove 52 is opened inside the positioning lower seat body 1. The guide column 51 is movably inserted inside the guiding groove 52. Both sides of each guide column 51 are opened inside the positioning upper cover body 3 and the positioning lower seat body 1. A matching elastic movable groove group 53 is opened inside the positioning upper cover body 3 and the positioning lower seat body 1. A reset spring 54 is movably installed inside the elastic movable groove group 53. The top and bottom of the reset spring 54 are respectively connected to the positioning upper cover body 3 and the positioning lower seat body 1.
[0043] The elastic guide mechanism 5 achieves the fixing of the direction of vertical displacement through the cooperation of two guide columns 51 and the guide groove 52. At the same time, the connection with the positioning upper cover body 3 and the positioning lower seat body 1 through the reset spring 54 facilitates the insertion and installation of the howitzer sighting rotation axis 7.
[0044] A lower drilling groove 11 corresponding to the position of the drilling hole 9 is provided on the positioning lower seat body 1 .
[0045] The lower drill groove 11 can facilitate the drilling hole 9 of the processing equipment to penetrate.
[0046] A hexagonal screw hole 12 is formed on the nut of the positioning bolt 4 .
[0047] The positioning bolt 4 can be rotated by cooperating with the hexagonal screw hole 12 through a tool.
[0048] The screw length H1 of the positioning bolt 4 is greater than the radius r1 of the howitzer sighting rotation axis 7, which can facilitate the tightening and loosening of the positioning upper cover body 3 on the howitzer sighting rotation axis 7, and the length meets the requirements.
[0049] The utility model movably inserts the howitzer sighting and rotating shaft 7 inside the limiting ring groove group 6, and limits one end of the howitzer sighting and rotating shaft 7 through the end limiting plate 10, and then drives the upper cover body to vertically displace through the rotation of the positioning bolt 4, and presses the howitzer sighting and rotating shaft 7. The processing equipment processes the locking pin hole of the howitzer sighting and rotating shaft 7 through the drill hole 9 on the drill sleeve 8, and limits the howitzer sighting and rotating shaft 7 axially and radially, thereby ensuring the processing accuracy of the locking pin hole.
[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit the protection scope of the utility model. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.
Claims
1. A howitzer sighting and aiming rotating shaft locking pin hole processing and positioning tool, characterized in that: It comprises a positioning lower seat body, a positioning screw hole is provided in the center of the positioning lower seat body, a positioning upper cover body is movably installed on the top of the positioning lower seat body, a positioning bolt is movably installed in the center of the positioning upper cover body, the bottom of the positioning bolt passes through the positioning upper cover body and is screw-matched with the positioning screw hole, and elastic guide mechanisms are provided on both sides of the positioning screw hole on the positioning upper cover body and the positioning lower seat body; The positioning upper cover body and the positioning lower seat body are both provided with a plurality of groups of matching limiting ring groove groups, each of the limiting ring groove groups is movably connected with a howitzer sighting and aiming rotating axis, a drill sleeve is installed on the positioning upper cover body above the howitzer sighting and aiming rotating axis, a drill hole is opened on the drill sleeve, and an end limiting plate is fixedly installed on one side of the positioning lower seat body close to the drill sleeve.
2. The howitzer sighting and aiming rotating shaft locking pin hole machining and positioning tool according to claim 1, characterized in that: The elastic guiding mechanism comprises two guiding posts mounted on the positioning upper cover body, the two guiding posts being symmetrically mounted at the two ends of the positioning upper cover body with the central axis of the positioning bolt as the axis of symmetry, a guiding groove is provided inside the positioning lower seat body, the guiding posts are movably inserted inside the guiding groove, and matching elastic movable groove groups are provided on both sides of each guiding post inside the positioning upper cover body and the positioning lower seat body, a return spring is movably mounted inside the elastic movable groove group, and the top and bottom of the return spring are respectively connected to the positioning upper cover body and the positioning lower seat body.
3. The howitzer sighting and aiming rotating shaft locking pin hole machining and positioning tool according to claim 2, characterized in that: The positioning lower seat body is provided with a lower drilling groove corresponding to the drilling position.
4. The howitzer sighting and aiming rotating shaft locking pin hole machining and positioning tool according to claim 3, characterized in that: A hexagonal screw hole is provided on the nut of the positioning bolt.
5. The howitzer sighting and aiming rotating shaft locking pin hole machining and positioning tool according to claim 4, characterized in that: The length H1 of the positioning bolt screw is greater than the radius r1 of the howitzer sighting rotation axis.