CN217097569U - Marine diesel engine double-end main bearing bolt mounting tool - Google Patents
Marine diesel engine double-end main bearing bolt mounting tool Download PDFInfo
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- CN217097569U CN217097569U CN202220909999.1U CN202220909999U CN217097569U CN 217097569 U CN217097569 U CN 217097569U CN 202220909999 U CN202220909999 U CN 202220909999U CN 217097569 U CN217097569 U CN 217097569U
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Abstract
The utility model discloses a marine diesel engine double-end main bearing bolt mounting tool relates to the assembly technology field, and it includes: a sleeve nut which is sleeved on the outer peripheral part of the fastening end of the stud main bearing bolt; a tightening member for tightening an end of the stud main bearing bolt; the sleeve nut is provided with a first channel for accommodating the top tightening piece and a second channel for accommodating the tightening end, the direction of the internal thread of the first channel is opposite to the direction of the external thread of the top tightening piece, and the direction of the internal thread of the second channel is the same as the direction of the external thread of the tightening end. Through using the utility model provides a marine diesel engine stud base bearing bolt mounting tool can effectively guarantee the assembly effect of base bearing bolt, and this device simple structure, the preparation processing of being convenient for can use widely.
Description
Technical Field
The utility model relates to the field of assembly technique, more specifically say, relate to a marine diesel engine stud base bearing bolt mounting tool.
Background
Among the prior art, the main bearing bolt is the important connecting fastener of diesel engine, and its effect is fixed the main bearing to the organism of diesel engine on, because main bearing bolt structure is different, and some bolts are the screw structure, and some bolts are the stud structure. When installing operation to stud, because stud's both ends are the screw thread, stud's one end needs the downthehole bolt of screw in organism, stud's the other end be fastening end, need coupling nut. The screwing torque of the bolt is preset during design, the screwing torque of the general stud main bearing bolt is large, and a special mounting tool is needed for assembly operation. However, some models of main bearing bolts are not specially designed for joints matched with a tightening tool, the tightening end of the main bearing bolt is of a full-thread structure, the tightening torque is large, the tightening torque value cannot be guaranteed by a common tool, and the assembling process of the main bearing bolt is difficult.
In summary, how to ensure the assembling effect of the main bearing bolt is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a marine diesel engine stud base bearing bolt mounting tool can effectively guarantee the assembly effect of base bearing bolt, and this device simple structure, the preparation processing of being convenient for can use widely.
In order to achieve the above object, the present invention provides the following technical solutions:
a marine diesel engine stud main bearing bolt installation tool comprising:
a sleeve nut which is sleeved on the outer peripheral part of the fastening end of the stud main bearing bolt;
a tightening member for tightening an end of the stud main bearing bolt;
the sleeve nut is provided with a first channel used for containing the top tightening piece and a second channel used for containing the tightening end, the direction of the internal thread of the first channel is opposite to the direction of the external thread of the top tightening piece, and the direction of the internal thread of the second channel is the same as the direction of the external thread of the tightening end.
Preferably, the sleeve nut and the jacking piece are both made of metal materials.
Preferably, the tightening member is a screw.
Preferably, the clamping device further comprises a tightening piece for driving the jacking piece to rotate, and the tightening piece is a wrench.
Preferably, the communication part of the first channel and the second channel is stepped, and the diameter of the first channel is smaller than that of the second channel.
Preferably, the external thread of the fastening end is a right-handed thread, the internal threads of the first channel and the second channel are both right-handed threads, and the external thread of the tightening piece is a left-handed thread;
or the external thread of the fastening end is a left-hand thread, the internal threads of the first channel and the second channel are both left-hand threads, and the external thread of the jacking piece is a right-hand thread.
Use the utility model provides a during marine diesel engine stud main bearing bolt mounting tool, at first, can with the bolt hole of stud main bearing bolt screw in organism, establish the fastening end peripheral part at stud main bearing bolt with the cover is screwed up to the collet nut again, then, can with in the first passageway of a tight screw in collet nut in top, until the one end at stud main bearing bolt in top tight. Finally, the top tightening member may be tightened until a specified torque is reached to complete the tightening and securing operation of the stud main bearing bolts. And when needs are dismantled the stud base bearing bolt, only need reverse the screw thread direction of loosening top piece, because the screw thread opposite direction of top piece and first passageway, the screw thread direction of second passageway and fastening end is the same, when loosening top piece soon, can not loosen between sleeve nut and the fastening end, be in the state of screwing up on the contrary, after the tip top tight power of fastening end got rid of, sleeve nut alright light with the fastening end of stud base bearing bolt dismantle. Moreover, the device has simple structure, is convenient to manufacture and process, and can be popularized and used.
To sum up, the utility model provides a marine diesel engine double-end main bearing bolt mounting tool can effectively guarantee the assembly effect of main bearing bolt, and this device simple structure, the preparation processing of being convenient for can use widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic use view of a bolt mounting tool for a marine diesel engine stud main bearing provided by the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a fastening end of the stud main bearing bolt;
FIG. 4 is a schematic view of the top member;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic structural view of a collet nut;
FIG. 7 is a top view of FIG. 6;
in fig. 1-7:
1 is a sleeve nut, 11 is a first channel, 12 is a second channel, 2 is a top tightening piece, and 3 is a stud main bearing bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a marine diesel engine double-end main bearing bolt mounting tool can effectively guarantee the assembly effect of main bearing bolt, and this device simple structure, the preparation processing of being convenient for can use widely.
Please refer to fig. 1 to 7.
This embodiment provides a marine diesel engine double-end main bearing bolt mounting tool, includes:
a sleeve nut 1 fitted around the outer periphery of the fastening end of the stud main bearing bolt 3;
a tightening member 2 for tightening an end of the stud main bearing bolt 3;
the collet nut 1 is provided with a first passage 11 for receiving the tightening member 2 and a second passage 12 for receiving the tightening end, the direction of the internal thread of the first passage 11 is opposite to the direction of the external thread of the tightening member 2, and the direction of the internal thread of the second passage 12 is the same as the direction of the external thread of the tightening end.
It should be noted that, this device mainly is applicable to and does not be equipped with the main bearing bolt with the joint that screws up the instrument and match, and the fastening end of this main bearing bolt is full thread structure, through using the utility model provides a marine diesel engine double-end main bearing bolt mounting tool can effectively screw up the main bearing bolt, and the simple structure of this device, compare in the market hydraulic tightening machine, its cost of manufacture is low, also portable uses.
The shape, structure, size, material, position and the like of the sleeve nut 1 and the jacking piece 2 can be determined in the actual application process according to the actual situation and the actual requirement.
Use the utility model provides a during marine diesel engine stud main bearing bolt mounting tool, at first, can with the bolt hole of stud main bearing bolt 3 screw in organism, establish the fastening end peripheral part at stud main bearing bolt 3 with the cover is screwed up to collet nut 1 again, then, can with in the first passageway 11 of top tight piece 2 screw in collet nut 1, until top tight piece 2 top one end at stud main bearing bolt 3. Finally, the tightening member 2 may be tightened until a prescribed torque is reached to complete the tightening and fixing operation of the stud main bearing bolts 3. And when needs are dismantled stud main bearing bolt 3, only need reverse spiral loosening top piece 2, because the screw thread opposite direction of top piece 2 and first passageway 11, the screw thread direction of second passageway 12 and fastening end is the same, when spiral loosening top piece 2, can not loosen between sleeve nut 1 and the fastening end, be in the state of screwing up on the contrary, after the tip top tight power of fastening end got rid of, sleeve nut 1 alright light dismantlement with the fastening end of stud main bearing bolt 3. Moreover, the device has simple structure, is convenient to manufacture and process, and can be popularized and used.
To sum up, the utility model provides a marine diesel engine double-end main bearing bolt mounting tool can effectively guarantee the assembly effect of main bearing bolt, and this device simple structure, the preparation processing of being convenient for can use widely.
On the basis of above-mentioned embodiment, it is preferred, sleeve nut 1 and top tight 2 are metal material spare to can effectively screw up stud main bearing bolt 3 when guaranteeing sleeve nut 1 and the cooperation of top tight 2 and using, the part deformation or the damage phenomenon appear in the avoidance of use.
Preferably, the tightening part 2 is a screw, that is, by rotating the screw, the tightening or loosening operation of the tightening part 2 and the collet nut 1 can be realized, so that the tightening end of the collet nut 2 effectively tightens or is far away from the stud main bearing bolt 3, and further the tightening end of the collet nut 1 is tightened or separated from the stud main bearing bolt 3.
Preferably, the tightening part is used for driving the tightening part 2 to rotate, and the tightening part is a wrench, so that an operator can conveniently tighten or loosen the screw in a labor-saving manner.
Preferably, the connection between the first channel 11 and the second channel 12 is stepped, and the diameter of the first channel 11 is smaller than that of the second channel 12, wherein the size of the first channel 11 needs to match the size of the tightening member 2, and the size of the second channel 12 needs to match the size of the tightening end, so as to ensure that the collet nut 1 can effectively fix the tightening end and accommodate the tightening member 2. Moreover, the stepped structure can effectively limit the positions of the jacking piece 2 and the stud main bearing bolt 3 so as to ensure that the jacking piece 2 effectively jacks up the fastening end of the stud main bearing bolt 3.
In the actual application process, the shape, structure, size, material, position, etc. of the first channel 11 and the second channel 12 can be determined according to the actual situation and the actual requirement.
On the basis of the above embodiment, preferably, the external thread of the fastening end is a right-handed thread, the internal threads of the first channel 11 and the second channel 12 are both right-handed threads, and the external thread of the tightening member 2 is a left-handed thread; or the external thread of the fastening end is a left-hand thread, the internal threads of the first channel 11 and the second channel 12 are both left-hand threads, and the external thread of the tightening piece 2 is a right-hand thread.
Also be the internal thread direction of first passageway 11 and second passageway 12 the same, so that process the preparation to box nut 1, and box nut 1's internal thread direction is the same with the external screw thread direction of fastening end, and box nut 1's internal thread direction is opposite with the external screw thread direction of top tight part 2, in order to guarantee to unscrew top tight part 2, the pine phenomenon of taking off does not appear between box nut 1 and the fastening end, continue to keep in the state of screwing up, after the tip top tight power of fastening end is got rid of, box nut 1 just can be relaxed dismantles with the fastening end of stud main bearing bolt 3.
It should be noted that the first channel 11 and the second channel 12 are mentioned in this document, wherein the first and the second are only for distinguishing the position difference and are not sequentially distinguished.
It should be noted that the directions and positional relationships indicated by "right and left", "inside and outside", and the like in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or the element to be referred to must have a specific direction, be constructed in a specific direction, and operate, and therefore, should not be construed as limiting the present invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
It is right above the utility model provides a marine diesel engine stud main bearing bolt mounting tool has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides a marine diesel engine double-end main bearing bolt mounting tool which characterized in that includes:
a sleeve nut (1) which is fitted around the outer peripheral portion of the fastening end of the stud main bearing bolt (3);
-a tightening member (2) for tightening the end of the stud main bearing bolt (3);
the sleeve nut (1) is provided with a first channel (11) used for containing the top fastening piece (2) and a second channel (12) used for containing the fastening end, the internal thread direction of the first channel (11) is opposite to the external thread direction of the top fastening piece (2), and the internal thread direction of the second channel (12) is the same as the external thread direction of the fastening end.
2. The marine diesel stud main bearing bolt installation tool of claim 1, characterized in that the collet nut (1) and the top member (2) are both metal parts.
3. Marine diesel stud main bearing bolt installation tool according to claim 1, characterized in that the tightening member (2) is a screw.
4. The marine diesel stud main bearing bolt installation tool of claim 1, further comprising a tightening member for rotating the top tightening member (2), the tightening member being a wrench.
5. Marine diesel stud main bearing bolt installation tool according to any one of claims 1 to 4, characterised in that the connection between the first channel (11) and the second channel (12) is stepped, the diameter of the first channel (11) being smaller than the diameter of the second channel (12).
6. The marine diesel stud main bearing bolt installation tool according to any one of claims 1 to 4, wherein the external thread of the fastening end is a right-handed thread, the internal threads of the first channel (11) and the second channel (12) are both right-handed threads, and the external thread of the tightening member (2) is a left-handed thread;
or the external thread of the fastening end is a left-hand thread, the internal threads of the first channel (11) and the second channel (12) are both left-hand threads, and the external thread of the tightening piece (2) is a right-hand thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909999.1U CN217097569U (en) | 2022-04-19 | 2022-04-19 | Marine diesel engine double-end main bearing bolt mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909999.1U CN217097569U (en) | 2022-04-19 | 2022-04-19 | Marine diesel engine double-end main bearing bolt mounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217097569U true CN217097569U (en) | 2022-08-02 |
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ID=82582711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220909999.1U Active CN217097569U (en) | 2022-04-19 | 2022-04-19 | Marine diesel engine double-end main bearing bolt mounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217097569U (en) |
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2022
- 2022-04-19 CN CN202220909999.1U patent/CN217097569U/en active Active
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