CN211615462U - Auxiliary disassembling tool for spline embedded in pneumatic head - Google Patents
Auxiliary disassembling tool for spline embedded in pneumatic head Download PDFInfo
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- CN211615462U CN211615462U CN202020078446.7U CN202020078446U CN211615462U CN 211615462 U CN211615462 U CN 211615462U CN 202020078446 U CN202020078446 U CN 202020078446U CN 211615462 U CN211615462 U CN 211615462U
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- connecting rod
- spline
- pneumatic head
- axial end
- rod
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Abstract
The utility model relates to the technical field of pneumatic valve maintenance, in particular to an auxiliary disassembling tool for a spline embedded in a pneumatic head, which comprises a mandril bolt, a connecting screw and a bolt body, wherein the mandril bolt comprises a rod body provided with a connecting screw thread; the four-corner bracket comprises an integrally formed supporting cylinder, a supporting ring and a plurality of connecting rod installation bodies; the sliding block comprises an integrally formed sliding block body, an adjusting pull rod and a lifting lug; one axial end of the first connecting rod is connected with the lifting lug; one axial end of the second connecting rod is connected with the connecting rod installation body, and the rod body is connected with the other axial end of the first connecting rod; and the replacing joint is connected with the other axial end of the second connecting rod. This application accessible plane conversion joint exerts rather than vertically forward pressure to the spline internal surface to can separate spline and spline groove axle bottom under the prerequisite that does not harm spline and spline groove, can also take out the spline from spline groove axial under the even prerequisite of application of force through hook and claw crossover sub, be difficult for causing the damage to spline and spline groove.
Description
Technical Field
The utility model relates to a pneumatic valve overhauls technical field, specifically is an auxiliary dismounting tool of embedded spline of pneumatic head.
Background
The pneumatic head is a device for converting compressed air power into device driving force, and usually realizes conversion from translation to rotation by means of internal racks and gears. The pneumatic head is mainly used on the valve, is divided into two independent parts with the valve body, and is connected with the transmission shaft of the pneumatic head through the embedded spline, so that the butt joint of the pneumatic head and the valve shaft is realized. In the routine maintenance process, the valve often has the trouble of jam, finds the pneumatic head after the inspection and damages the probability than the valve body. Consequently, the frequency of disassembly repairs to the pneumatic head in the field is also relatively high.
When the pneumatic head is disassembled, the spline embedded in the pneumatic head must be removed. Because of the spline is very little usually with pneumatic head fit clearance, and does not have effectual application of force point and extracts from the axial, adopts screwdriver and hand hammer to prize out slowly from spline groove bottom at present mostly, in case the application of force inequality will lead to the spline card to die, even finally prize out, the spline also can not use again basically, and the spline groove also can be impaired.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists, provided an auxiliary dismounting tool of embedded spline of pneumatic head, can be under the prerequisite that does not harm spline and spline groove, take out the spline from the spline groove fast portably.
The utility model provides a technical scheme that its technical problem adopted is: supplementary extracting tool of embedded spline of pneumatic head includes
The ejector pin bolt comprises a rod body provided with connecting threads;
the four-corner bracket comprises an integrated part
The inner cylinder wall is provided with butt threads which are matched and connected with the rod body;
the supporting ring is sleeved with one axial end of the supporting cylinder and is provided with a connecting hole which axially penetrates through the supporting ring;
the connecting rod mounting bodies are uniformly distributed around the support ring and are provided with connecting rod mounting holes;
the slide block comprising an integral moulding
The sliding block body is provided with a sliding adjusting hole which is sleeved with the supporting cylinder;
the adjusting pull rod is connected with the top end of the sliding block body, and the free end of the adjusting pull rod penetrates through the corresponding connecting hole;
the lifting lug is arranged at the top end of the sliding block body;
one axial end of the first connecting rod is connected with the lifting lug;
one axial end of the second connecting rod is connected with the connecting rod installation body, and the rod body is connected with the other axial end of the first connecting rod;
and the replacing joint is connected with the other axial end of the second connecting rod.
Preferably, the outer wall of the support cylinder comprises
The upper outer cylinder wall is connected with the support ring;
and the lower outer cylinder arm is smaller than the upper outer cylinder wall in diameter and is sleeved with the sliding block.
Preferably, the free end of the adjusting pull rod is provided with a threaded section, and the threaded section is detachably connected with a screw cap.
Preferably, the joint comprises
The plane adapter is used for being in abutting connection with the inner wall of the spline;
and the hook claw switching joint is used for being in supporting connection with the axial end of the spline.
Preferably, the connecting rod installation body comprises a left plate body and a right plate body, and a plurality of pairs of connecting rod installation holes are formed in the left plate body and the right plate body.
Preferably, the first connecting rod is provided with two axial ends respectively
The first connecting rod assembling hole is rotatably connected with the lifting lug through a screw and a nut;
and the second assembling hole of the first connecting rod is rotatably connected with the second connecting rod through a screw and a nut.
Preferably, the second link is provided with
The first connecting rod assembling hole is rotatably connected with the mounting body through a screw and a nut;
the second connecting rod assembling hole II is rotatably connected with the first connecting rod through a screw and a nut;
and the two second connecting rod assembly holes III are fixedly connected with the replacing joint through screws and nuts.
Preferably, the joint is provided with two joint assembly holes which are tightly connected with the second connecting rod through screws and nuts.
Advantageous effects
According to the auxiliary disassembling tool for the spline embedded in the pneumatic head, the positive pressure perpendicular to the inner surface of the spline can be applied to the inner surface of the spline through the plane adapter, so that the spline can be separated from the bottom end of the spline groove shaft on the premise of not damaging the spline and the spline groove, the spline can be axially pulled out of the spline groove through the hook jaw adapter on the premise of uniform force application, and the spline groove are not easily damaged; and the supplementary extracting tool dismouting of this application is used portably, and applicable in the pneumatic head of unidimensional not, extensive applicability.
Drawings
FIG. 1 is a schematic structural view of an auxiliary removing tool for embedding a spline into a pneumatic head according to the present application;
FIG. 2 is a top view of the quadrilateral bracket of FIG. 1;
FIG. 3 is a cross-sectional view of the quadrilateral bracket of FIG. 1;
FIG. 4 is a cross-sectional view of the slider of FIG. 1;
FIG. 5 is a top view of the slider of FIG. 1;
FIG. 6 is a schematic structural view of the first link, the second link, and the joint of FIG. 1;
fig. 7 is a schematic structural view of the jack bolt of fig. 1.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 7, an auxiliary disassembling tool for a spline embedded in a pneumatic head comprises a mandril bolt 1, a four-corner bracket 2, a sliding block 3, a first connecting rod 4, a second connecting rod 5 and a changing joint.
The ejector bolt 1 comprises a rod body provided with connecting threads.
The quadrangular frame 2 includes an integrally formed support tube 21, a support ring 22 and a link mounting body 24. The inner wall of the supporting barrel 21 is provided with butt threads which are connected with the rod body in a matched mode, the supporting ring 22 is sleeved with one axial end of the supporting barrel 21 and is provided with a connecting hole 23 which axially penetrates through the supporting ring 22, and the connecting rod installing bodies 24 are arranged around the supporting ring 22 in an evenly distributed mode and are provided with connecting rod installing holes 25. The outer cylinder wall of the supporting cylinder 21 comprises an upper outer cylinder wall connected with the supporting ring 22, a lower outer cylinder arm with the diameter smaller than that of the upper outer cylinder wall and sleeved with the sliding block 3, and a limiting surface is formed at the joint of the upper outer cylinder wall and the lower outer cylinder arm to play an axial limiting role for the sliding block 3, namely, the outer cylinder wall of the structure effectively limits the axial adjusting range of the sliding block 3, so that the sliding block 3 can be conveniently axially adjusted. The connecting rod installation body 24 includes left plate body and right plate body, left side plate body with right plate body is opened has many pairs connecting rod mounting hole 25, and many pairs connecting rod mounting hole 25 are radial to be arranged, and second connecting rod 5 can be according to required distance (the pneumatic head of unidimensional not) of setting up and select suitable connecting rod mounting hole 25 to connect.
The slider 3 comprises an integrally formed slider body 31, an adjusting pull rod 33 and a lifting lug 34. The sliding block body 31 is provided with a sliding adjusting hole 32 which is sleeved with the supporting cylinder 21, an adjusting pull rod 33 is connected with the top end of the sliding block body 31, the free end of the adjusting pull rod passes through the corresponding connecting hole 23, and a lifting lug 34 is arranged at the top end of the sliding block body 31. The free end of the adjusting pull rod 33 is provided with a thread section, and the thread section is detachably connected with a nut.
One axial end of the first connecting rod 4 is connected with the lifting lug 34. And a first connecting rod assembling hole I which is rotatably connected with the lifting lug 34 through a screw and a nut and a second connecting rod assembling hole II which is rotatably connected with the second connecting rod 5 through a screw and a nut are respectively arranged at two axial ends of the first connecting rod 4.
One axial end of the second connecting rod 5 is connected with the connecting rod installation body 24, and the rod body is connected with the other axial end of the first connecting rod 4. Second connecting rod 5 is equipped with and rotates the second connecting rod equipment hole one of being connected through screw, nut and installation body 24, through screw, nut with first connecting rod 4 rotates the second connecting rod equipment hole two of being connected to and through screw, nut with two second connecting rod equipment holes three of trade joint fastening connection.
The switching joint is connected with the other axial end of the second connecting rod 5. The adapter comprises a flat adapter 61 for interference engagement with the inner wall of the spline 7 and a finger adapter 62 for supporting engagement with the axial end of the spline 7. The joint is provided with two joint assembly holes which are tightly connected with the second connecting rod 5 through screws and nuts. The plane switching joint 61 can be contacted with the inner surface of the spline at different angles by adjusting the slider 3 up and down, and when the user adjusts the slider 3 to the optimal position, the plane switching joint 61 just applies a positive pressure perpendicular to the inner surface of the spline.
The specific disassembly process of the spline and the spline groove is as follows, firstly, the first second connecting rod assembling holes of the four second connecting rods 5 are movably connected with the proper connecting rod installing holes 25 on the connecting rod installing body 24 through screws and nuts, and the end parts of the second connecting rods 5 are positioned between the left plate body and the right plate body. And then, the first connecting rod assembly holes of the four first connecting rods 4 are movably connected with the lifting lugs 34 of the sliding block 3 through screws and nuts. Then, the slide adjusting hole 32 of the slider 3 is fitted over the lower outer cylinder arm of the support cylinder 21, and the free end of the adjusting lever 33 is passed through the connecting hole 23. And then, the second first connecting rod assembling hole of the first connecting rod 4 is movably connected with the second connecting rod assembling hole of the second connecting rod 5 through a screw and a nut. Then, the two joint assembly holes of the plane joint 61 are fixedly connected with the two second link assembly holes three by screws and nuts. Next, the jack bolt 1 is screwed into the support cylinder 21 of the quadrangular frame 2. Then, a tool is put into the shaft hole of the spline, the adjusting pull rod 33 is axially adjusted to enable the plane adapter 61 to be tightly attached to the inner wall of the shaft hole of the spline, and then the nut is connected with the threaded section of the adjusting pull rod 33 to fix the height of the sliding block 3, so that the plane adapter 61 is tightly fixed with the inner wall of the shaft hole of the spline. Next, the ejector pin bolt 1 is rotated until the free end of the ejector pin bolt contacts with the bottom in the spline shaft hole, then the ejector pin bolt 1 is rotated by one hand, the four-corner bracket 2 is held by the other hand, and the force is slightly applied upwards so that the spline indirectly obtains an upward force, and therefore the spline is separated from the axial bottom end of the spline groove by a certain gap. Next, the flat surface converting joint 61 is removed from the second link using a tool, and the claw converting joint 62 is replaced so that the hook portion of the claw converting joint 62 hooks the axial end of the spline 7. Finally, the ejector bolt 1 is rotated by one hand, and the four-corner bracket 2 is held by the other hand and is slightly forced upwards to axially take out the spline from the spline groove.
According to the auxiliary disassembling tool for the spline embedded in the pneumatic head, the positive pressure perpendicular to the inner surface of the spline can be applied to the inner surface of the spline through the plane adapter, so that the spline can be separated from the bottom end of the spline groove shaft on the premise of not damaging the spline and the spline groove, the spline can be axially pulled out of the spline groove through the hook jaw adapter on the premise of uniform force application, and the spline groove are not easily damaged; and the supplementary extracting tool dismouting of this application is used portably, and applicable in the pneumatic head of unidimensional not, extensive applicability.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (8)
1. The utility model provides an auxiliary dismounting tool of embedded spline of pneumatic head which characterized in that: comprises that
The ejector pin bolt (1) comprises a rod body provided with connecting threads;
the four-corner bracket (2) comprises an integrated molding
The inner cylinder wall is provided with butt threads which are matched and connected with the rod body;
the support ring (22) is sleeved with one axial end of the support cylinder (21) and is provided with a connecting hole (23) which axially penetrates through the support ring (22);
a plurality of connecting rod mounting bodies (24) which are uniformly distributed around the support ring (22) and are provided with connecting rod mounting holes (25);
the slide block (3) comprises an integral moulding
The sliding block body (31) is provided with a sliding adjusting hole (32) which is sleeved with the supporting cylinder (21);
the adjusting pull rod (33) is connected with the top end of the sliding block body (31), and the free end of the adjusting pull rod penetrates through the corresponding connecting hole (23);
the lifting lug (34) is arranged at the top end of the sliding block body (31);
the first connecting rod (4) is connected with the lifting lug (34) at one axial end;
the axial end of the second connecting rod (5) is connected with the connecting rod installation body (24), and the rod body is connected with the axial other end of the first connecting rod (4);
and the replacing joint is connected with the other axial end of the second connecting rod (5).
2. The auxiliary disassembling tool for the embedded spline of the pneumatic head as claimed in claim 1, wherein: the outer cylinder wall of the supporting cylinder (21) comprises
The upper outer cylinder wall is connected with the support ring (22);
the lower outer cylinder arm is smaller than the upper outer cylinder wall in diameter and is sleeved with the sliding block (3).
3. The auxiliary disassembling tool for the embedded spline of the pneumatic head as claimed in claim 1, wherein: the free end of the adjusting pull rod (33) is provided with a thread section, and the thread section is detachably connected with a nut.
4. The auxiliary disassembling tool for the embedded spline of the pneumatic head as claimed in claim 1, wherein: the joint comprises
The plane adapter (61) is used for being in interference connection with the inner wall of the spline (7);
and the claw switching joint (62) is used for being in supporting connection with the axial end of the spline (7).
5. The auxiliary disassembling tool for the embedded spline of the pneumatic head as claimed in claim 1, wherein: the connecting rod installation body (24) comprises a left plate body and a right plate body, and the left plate body and the right plate body are provided with a plurality of pairs of connecting rod installation holes (25).
6. The auxiliary disassembling tool for the embedded spline of the pneumatic head as claimed in claim 1, wherein: the two axial ends of the first connecting rod (4) are respectively provided with
The first connecting rod assembling hole is rotatably connected with the lifting lug (34) through a screw and a nut;
and the second first connecting rod assembling hole is rotatably connected with the second connecting rod (5) through a screw and a nut.
7. The auxiliary disassembling tool for the embedded spline of the pneumatic head as claimed in claim 1, wherein: the second connecting rod (5) is provided with
The first second connecting rod assembling hole is rotatably connected with the mounting body (24) through a screw and a nut;
the second connecting rod assembling hole II is rotatably connected with the first connecting rod (4) through a screw and a nut;
and the two second connecting rod assembly holes III are fixedly connected with the replacing joint through screws and nuts.
8. The auxiliary disassembling tool for the embedded spline of the pneumatic head as claimed in claim 1, wherein: the adapter is provided with two adapter assembling holes which are tightly connected with the second connecting rod (5) through screws and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078446.7U CN211615462U (en) | 2020-01-15 | 2020-01-15 | Auxiliary disassembling tool for spline embedded in pneumatic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078446.7U CN211615462U (en) | 2020-01-15 | 2020-01-15 | Auxiliary disassembling tool for spline embedded in pneumatic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211615462U true CN211615462U (en) | 2020-10-02 |
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ID=72637822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020078446.7U Active CN211615462U (en) | 2020-01-15 | 2020-01-15 | Auxiliary disassembling tool for spline embedded in pneumatic head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211615462U (en) |
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2020
- 2020-01-15 CN CN202020078446.7U patent/CN211615462U/en active Active
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