CN203401461U - Hydraulic assembly and nut hydraulic assembling and disassembling device - Google Patents
Hydraulic assembly and nut hydraulic assembling and disassembling device Download PDFInfo
- Publication number
- CN203401461U CN203401461U CN201320496134.8U CN201320496134U CN203401461U CN 203401461 U CN203401461 U CN 203401461U CN 201320496134 U CN201320496134 U CN 201320496134U CN 203401461 U CN203401461 U CN 203401461U
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- hydraulic
- oil cylinder
- inner core
- nut
- support
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Abstract
The utility model provides a hydraulic assembly. The hydraulic assembly comprises an oil cylinder outer sleeve, an oil cylinder inner core and an oil path, wherein the oil cylinder inner core and the oil path are arranged inside the oil cylinder outer sleeve; a hydraulic cavity is formed between the oil cylinder outer sleeve and the oil cylinder inner core; one end of the oil path is communicated with the hydraulic cavity; the other end of the oil path extends to the outer wall of the oil cylinder outer sleeve so as to form a connector used for being communicated with a power oil cylinder. A nut hydraulic assembling and disassembling device comprising the hydraulic assembly comprises a support, a pull rod and the hydraulic assembly, wherein the pull rod is arranged in the support; the top end of the pull rod penetrates through the support and the hydraulic assembly in sequence; the bottom of the pull rod is connected with an air cylinder cover bolt; the outer wall of the support is provided with a spanner adjustable mouth through which a spanner penetrates; the position of the spanner adjustable mouth corresponds to the position of the air cylinder cover nut. The hydraulic assembly serves as a power source, labor intensity of operation personnel can be relieved, and the hydraulic assembly has the advantages of being easy to operate and high in efficiency. The nut hydraulic assembling and disassembling device has the advantages of being easy to operate, and capable of relieving labor intensity of workers and improving working efficiency.
Description
Technical field
The utility model relates to hydraulic package, especially a kind of hydraulic package and screw nut hydraulic attaching/detaching apparatus.
Background technology
At present, domestic the dismounting of cylinder of diesel engine box nut is generally respectively to two kinds of situations:
1, use coupling box manually it to be forced to dismounting, its shortcoming is to adopt manual type need to expend too much labour intensity, cannot increase work efficiency;
2, the dismounting to nut with realization by power source, its power source is generally electric tool, pneumatic tool or hydraulic tool.Yet the spcific power source owing to not matching with it, therefore, cannot reach good dismounting effect.
Summary of the invention
For the weak point existing in the problems referred to above, the utility model provides a kind of hydraulic package and screw nut hydraulic attaching/detaching apparatus being exclusively used in screw nut hydraulic attaching/detaching apparatus.
For achieving the above object, the utility model provides a kind of hydraulic package, the oil cylinder inner core and the oil circuit that comprise oil cylinder overcoat and the portion that sets within it, between described oil cylinder overcoat and described oil cylinder inner core, be provided with hydraulic cavities, one end of described oil circuit is communicated with described hydraulic cavities, and the other end extends to the joint to be formed for being communicated with actuator cylinder on the outer wall of described oil cylinder overcoat.
Above-mentioned hydraulic package wherein, is also arranged with a plurality of sealing rings on the outer wall of described oil cylinder inner core.
Above-mentioned hydraulic package wherein, is provided with the through hole wearing for extension on the home position of oil cylinder overcoat and oil cylinder inner core.
The utility model also provides a kind of screw nut hydraulic attaching/detaching apparatus, comprise support, the pull bar of the portion that sets within it and hydraulic package, the top of described pull bar is successively through the inside of described support and described hydraulic package, and the bottom of described pull bar is connected with cylinder head bolt; On the outer wall of described support, be provided with the spanner movable port penetrating for spanner, the position of described spanner movable port is corresponding with the position of cylinder head nut.
Above-mentioned screw nut hydraulic attaching/detaching apparatus, wherein, described pull bar consists of longitudinal part and the connecting portion that is arranged on its bottom, and the outside that the top of described longitudinal part extends to described support and described hydraulic package is successively with formation extension; In the lower surface of described connecting portion, to its opposite side, cave in to be formed for the cavity volume being connected with cylinder head bolt, on the inwall of described cavity volume, be provided with the multiple whorl for being connected with described cylinder head bolt.
Above-mentioned screw nut hydraulic attaching/detaching apparatus, wherein, is also provided with for described extension being carried out to the fastening assembly of locking positioning at described hydraulic package top.
Above-mentioned screw nut hydraulic attaching/detaching apparatus, wherein, described fastening assembly by nut and be arranged on its bottom pad form.
Compared with prior art, the utlity model has following advantage:
1, the utility model adopts hydraulic package as power source, and pull bar completes the stretching to cylinder head bolt by the strength of hydraulic pressure, can reduce operating personnel's labour intensity, has feature simple to operate, efficiency is high; In addition, hydraulic tool is parts independently, can as power source, use in other occasions, has certain versatility;
2, this screw nut hydraulic attaching/detaching apparatus has easy to operately, can reduce labor strength, with the advantage of increasing work efficiency, to solve shortcoming of the prior art;
3, after the utility model utilizes bolt material stressed, can there is the characteristic of strain, pull bar completes the stretched operation to cylinder head bolt under hydraulic package auxiliary, make the plane of cylinder head nut and its compression in relaxed state, so that spanner is through cylinder head nut being operated after spanner movable port, the object that tightens or unscrew to reach cylinder head nut;
4, by screw nut hydraulic attaching/detaching apparatus, a plurality of nuts are carried out to dismounting operation simultaneously, make the stressed poised state that reaches all the time in bottom of cylinder head in whole disassembly process.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is the structure chart of screw nut hydraulic attaching/detaching apparatus;
Fig. 4 is the cutaway view of Fig. 3 medium-height trestle;
Fig. 5 is the working state figure of Fig. 3.
Main element symbol description is as follows:
1-support 10-spanner movable port 2-pull bar
20-longitudinal part 21-connecting portion 22-cavity
23-extension 3-hydraulic package 31-oil cylinder overcoat
32-oil cylinder inner core 33-sealing ring 34-oil circuit
35-hydraulic cavities 4-joint 5-nut
6-pad 7-cylinder head bolt 8-cylinder head nut
The specific embodiment
As shown in Figures 1 and 2, hydraulic package 3 comprises oil cylinder overcoat 31, oil cylinder inner core 32 and oil circuit 34, oil cylinder inner core 32 is arranged on the inside of oil cylinder overcoat 31, between oil cylinder overcoat 31 and oil cylinder inner core 32, is provided with hydraulic cavities 35, is also arranged with a plurality of sealing rings 33 on the outer wall of oil cylinder inner core 32.On the home position of oil cylinder overcoat 31 and oil cylinder inner core 32, be provided with the through hole wearing for extension.Inside at oil cylinder overcoat 31 is also provided with oil circuit 34, and this oil circuit 34 is in the inside of oil cylinder overcoat 31, and its one end is communicated with hydraulic cavities 35, and the other end extends to the outside of oil cylinder overcoat 31 outer walls, with the joint 4 that is formed for being communicated with actuator cylinder.
Shown in Fig. 3 to Fig. 5, the utility model provides a kind of screw nut hydraulic attaching/detaching apparatus, the hydraulic package 3 that mainly comprises support 1, is arranged on the pull bar 2 of support 1 inside and is arranged on support 1 top, the top of pull bar 2 is the inside with hydraulic package 3 through support 1 successively, and the bottom of pull bar 2 is connected with cylinder head bolt 7.
The cylindrical structure that is hollow type at support 1, consists of roof and connected barrel-shaped outer wall, is provided with the through hole running through for pull bar on the home position of roof.In the bottom of barrel-shaped outer wall, be provided with a plurality of spanner movable ports 10 that penetrate for spanner.In the present embodiment, the quantity of spanner movable port is two, and the mode that is mutual correspondence between two spanner movable ports is arranged on barrel-shaped outer wall, and the position of spanner movable port 10 is corresponding with the position of locating hole in cylinder head nut 8.
Longitudinal part is after penetrating hydraulic package, liquid in external impetus oil cylinder is injected in hydraulic cavities by oil circuit and joint, and under the effect of hydraulic pressure, oil cylinder inner core carries out displacement to its upper end, in place the moving past in journey of oil cylinder inner core drives pull bar to move up, and completes the stretched operation to cylinder head bolt.
Top at hydraulic package 3 is also provided with the fastening assembly for extension 23 is locked, located.In an embodiment, fastening assembly by nut 5 and be arranged on its bottom pad 6 form.
Operation principle of the present utility model is: the characteristic that strain can occur after utilizing cylinder head bolt material stressed, pull bar completes the stretched operation to cylinder head bolt under hydraulic package auxiliary, make the plane of cylinder head nut and its compression in relaxed state, so that spanner operates cylinder head nut through the spanner movable port on support, the object that tightens or unscrew to reach cylinder head bolt.
The course of work of the present utility model is, support casing is located to cylinder head nut outside, pull bar is fastened on the outer wall of cylinder head bolt, makes the position of support outer wall upper ejector lever movable port corresponding with the position of locating hole in cylinder head nut.Use outside active force oil cylinder toward fuel feeding in hydraulic package, oil cylinder inner core moves upward under the effect of hydraulic oil, in place the moving past in journey of oil cylinder inner core drives pull bar to move up, force cylinder head bolt under the stretching of pull bar, be out of shape, elongated, now, spanner enters in the locating hole on cylinder head nut outer wall through the spanner movable port on support outer wall, thereby by spanner, it is screwed or is unscrewed, to reach the object to cylinder head bolt dismounting.
Only as described above, be only preferred embodiment of the present utility model, such as professional who are familiar with this art. after understanding technological means of the present utility model, natural energy, according to actual needs, is changed under instruction of the present utility model.Therefore all equal variation and modifications of doing according to the utility model claim, once should still belong in the scope that the utility model patent contains.
Claims (7)
1. a hydraulic package, it is characterized in that, the oil cylinder inner core and the oil circuit that comprise oil cylinder overcoat and the portion that sets within it, between described oil cylinder overcoat and described oil cylinder inner core, be provided with hydraulic cavities, one end of described oil circuit is communicated with described hydraulic cavities, and the other end extends to the joint to be formed for being communicated with actuator cylinder on the outer wall of described oil cylinder overcoat.
2. hydraulic package according to claim 1, is characterized in that, is also arranged with a plurality of sealing rings on the outer wall of described oil cylinder inner core.
3. hydraulic package according to claim 2, is characterized in that, on the home position of described oil cylinder overcoat and described oil cylinder inner core, is provided with the through hole wearing for extension.
4. the screw nut hydraulic attaching/detaching apparatus with hydraulic package described in claim 1, it is characterized in that, comprise support, the pull bar of the portion that sets within it and hydraulic package, the top of described pull bar is successively through the inside of described support and described hydraulic package, and the bottom of described pull bar is connected with cylinder head bolt; On the outer wall of described support, be provided with the spanner movable port penetrating for spanner, the position of described spanner movable port is corresponding with the position of cylinder head nut.
5. screw nut hydraulic attaching/detaching apparatus according to claim 4, it is characterized in that, described pull bar consists of longitudinal part and the connecting portion that is arranged on its bottom, and the outside that the top of described longitudinal part extends to described support and described hydraulic package is successively with formation extension; In the lower surface of described connecting portion, to its opposite side, cave in to be formed for the cavity volume being connected with cylinder head bolt, on the inwall of described cavity volume, be provided with the multiple whorl for being connected with described cylinder head bolt.
6. screw nut hydraulic attaching/detaching apparatus according to claim 5, is characterized in that, at described hydraulic package top, is also provided with for described extension being carried out to the fastening assembly of locking positioning.
7. screw nut hydraulic attaching/detaching apparatus according to claim 6, is characterized in that, described fastening assembly by nut and be arranged on its bottom pad form.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320496134.8U CN203401461U (en) | 2013-08-14 | 2013-08-14 | Hydraulic assembly and nut hydraulic assembling and disassembling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320496134.8U CN203401461U (en) | 2013-08-14 | 2013-08-14 | Hydraulic assembly and nut hydraulic assembling and disassembling device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203401461U true CN203401461U (en) | 2014-01-22 |
Family
ID=49937403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320496134.8U Expired - Fee Related CN203401461U (en) | 2013-08-14 | 2013-08-14 | Hydraulic assembly and nut hydraulic assembling and disassembling device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203401461U (en) |
-
2013
- 2013-08-14 CN CN201320496134.8U patent/CN203401461U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20140814 |
|
EXPY | Termination of patent right or utility model |