CN204783269U - Hoist and mount coupling mechanism of large -scale engine - Google Patents
Hoist and mount coupling mechanism of large -scale engine Download PDFInfo
- Publication number
- CN204783269U CN204783269U CN201520598749.0U CN201520598749U CN204783269U CN 204783269 U CN204783269 U CN 204783269U CN 201520598749 U CN201520598749 U CN 201520598749U CN 204783269 U CN204783269 U CN 204783269U
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- China
- Prior art keywords
- cylinder head
- cylinder
- head bolts
- cylinder cap
- block
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- Expired - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a hoist and mount coupling mechanism of large -scale engine, include: two at least first cylinder cap double -screw bolts, it sets up the lug mounted position in the cylinder head, and the connecting hole of cylinder block and head is passed in proper order to the lower part of first cylinder cap double -screw bolt, and fastens the cylinder block and head through the cylinder cap nut, the lug passes through lug fastener detachably and fixes the upper end at two at least cylinder cap double -screw bolts, a plurality of second cylinder cap double -screw bolts, its length is the same with first cylinder cap double -screw bolt, and the connecting hole of cylinder block and head is passed in proper order to the lower part of second cylinder cap double -screw bolt, and fastens the cylinder block and head through the cylinder cap nut, install in the screw thread protective sheath upper end of second cylinder cap double -screw bolt. The cylinder cap double -screw bolt that this coupling mechanism used all has the same length, can be used for whole cylinder cap structure, also can be used for a jar lid or multi -cylinder lid structure, has reduced the processing degree of difficulty, complete machine cost and the maintenance cost of cylinder cap double -screw bolt.
Description
Technical field
The utility model relates to engine art, particularly a kind of lifting bindiny mechanism of big-block engine.
Background technique
The connection of big-block engine upper cylinder lid and cylinder block generally adopts cylinder head bolts, cylinder cap nut connects, and hanger is generally arranged in above cylinder head bolts.Therefore generally need employing two kinds of cylinder head bolts, one is the short stud of cylinder cap, and one is cylinder cap long threaded rod, and the both sides of hanger are fixed on cylinder cap long threaded rod by nut, for carrying out the lifting of complete machine.This kind of assembling mode needs the cylinder head bolts of two kinds of length, improves the difficulty of processing of part, adds the cost of complete machine, the kind of the part safeguarded, quantity is needed to increase, improve maintenance cost, and cylinder cap long threaded rod adds complete machine height, also have impact on the outward appearance of complete machine.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Model utility content
The purpose of this utility model is the lifting bindiny mechanism providing a kind of big-block engine, thus overcomes prior art and adopt the defect that the cylinder head bolts of two kinds of length causes the increase of processing cost and maintenance cost, complete machine height increases.
For achieving the above object, the utility model provides a kind of lifting bindiny mechanism of big-block engine, for cylinder block and head is linked together, bindiny mechanism comprises: at least two the first cylinder head bolts, first cylinder head bolts is arranged on the hanger mounting point in cylinder head, the bottom of the first cylinder head bolts is successively through the attachment hole of cylinder block and head, and it is fastening by cylinder block and head to pass through cylinder cap nut; Hanger is removably fixed on the upper end of at least two the first cylinder head bolts by hanger fastening piece; Multiple second cylinder head bolts, the length of the second cylinder head bolts is identical with the first cylinder head bolts, and the bottom of the second cylinder head bolts is successively through the attachment hole of cylinder block and head, and it is fastening by cylinder block and head to pass through cylinder cap nut; The upper end of the second cylinder head bolts is arranged in protecting sleeve for thread.
Preferably, in technique scheme, hanger fastening piece comprises swivel nut portion and flange part, and swivel nut portion is provided with inner bolt hole, and the diameter of flange part is greater than the external diameter in swivel nut portion, and hanger is provided with mounting hole; Under installment state, the mounting hole of hanger passes the upper end of the first cylinder head bolts and is placed on the end face of cylinder cap nut, and swivel nut portion is positioned at mounting hole, and swivel nut portion is threaded with the first cylinder head bolts, and the bottom surface of flange part is connected on the end face of mounting hole simultaneously.
Preferably, in technique scheme, protecting sleeve for thread is column, and screw thread protection is arranged with smooth central blind hole.
Preferably, in technique scheme, protecting sleeve for thread is made up of nylon, plastics or metallic material.
Preferably, in technique scheme, protecting sleeve for thread is made up of PA6 or Q235 material.
Compared with prior art, the utility model has following beneficial effect:
The cylinder head bolts that this bindiny mechanism uses all has identical length, may be used for overall cylinder cover structure, also may be used for a cylinder one to cover or cover of multicylinder one structure, decrease the kind of cylinder head bolts, reduce the difficulty of processing of cylinder head bolts, complete machine cost and maintenance cost; And reduce the whole height that motor is whole, improve the outward appearance of motor, be more conducive to improving product competitive ability; In addition, this bindiny mechanism's easy disassembly, flexible arrangement, can assemble on the engine, also can dispatch from the factory as annex, wait need lifting motor time again fit on go.
Accompanying drawing explanation
Fig. 1 is the erection drawing of the lifting bindiny mechanism according to big-block engine of the present utility model.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is A-A sectional view.
Main Reference Numerals illustrates:
1-cylinder block, 2-cylinder head, 3-cylinder cap nut, 4-protecting sleeve for thread, 5-hanger fastening piece, 51-swivel nut portion, 52-flange part, 53-head, 6-hanger, 7-first cylinder head bolts, 8-second cylinder head bolts.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Figure 1 to Figure 2, at least two the first cylinder head bolts 7, multiple second cylinder head bolts 8, cylinder cap nut 3 and protecting sleeve for thread 4 is comprised according to the lifting bindiny mechanism of the big-block engine of the utility model embodiment.
As shown in Fig. 1,2 and 4, multiple second cylinder head bolts 8 are separately positioned on bight and the middle part of cylinder head 2.As shown in Figure 4; the bottom of the second cylinder head bolts 8 passes the attachment hole of cylinder block 1 and cylinder head 2 successively; and by cylinder cap nut 3 by cylinder block 1 and cylinder head 2 fastening; the upper end of the second cylinder head bolts 8 protrudes from the end face of cylinder cap nut 3 simultaneously, and outstanding helical thread portion is protected by protecting sleeve for thread 4.As shown in Figure 4, protecting sleeve for thread 4 is in column, and protecting sleeve for thread 4 is provided with smooth central blind hole or threaded interior hole, and protecting sleeve for thread 4 is enclosed within the outside of the screw thread of the second cylinder head bolts 8 upper end, plays a protective role.When needing repairing or dismantle, taken off the upper end of protecting sleeve for thread 4 from the second cylinder head bolts 8, dismounting cylinder cap nut 3, can be separated cylinder block with cylinder head.
Preferably, protecting sleeve for thread 4 is made up of nylon, plastics or metallic material, is more preferably made up of PA6 or Q235.When protecting sleeve for thread 4 is made up of nylon or plastics, protecting sleeve for thread 4 utilizes its instantaneous elasticity by the upper end by interference fit cover to the second cylinder head bolts 8, and it can not damaged screw, is convenient to reusing of the second cylinder head bolts.
As shown in Fig. 1,2 and 4, the first cylinder head bolts 7 is identical with the length of the second cylinder head bolts 8.First cylinder head bolts 7 is arranged on the hanger mounting point in cylinder head 2.Because the first cylinder head bolts is identical with the length of the second cylinder head bolts, therefore can as required using the cylinder head bolts of diverse location on cylinder cap as the first cylinder head bolts, for installing hanger.Optionally install hanger, when not needing to install hanger, protecting sleeve for thread 4 is installed in the upper end of the first cylinder head bolts 7, identical with the second cylinder head bolts 8; When needs lifting motor, hanger is arranged on the first cylinder head bolts 7.Hanger 6 at least two the first cylinder head bolts 7 are fixed.As an embodiment, as shown in Figure 2, hanger 6 is fixed by hanger fastening piece 5 and four the first cylinder head bolts 7.As shown in Figure 4, the bottom of the first cylinder head bolts 7 successively through the attachment hole of cylinder block 1 and cylinder head 2, and by cylinder cap nut 3 by cylinder block 1 and cylinder head 2 fastening.
As shown in Figure 4, hanger fastening piece 5 comprise from bottom to top set gradually swivel nut portion 51, flange part 52 and head 53, swivel nut portion 51 is provided with inner bolt hole, and the diameter of flange part 52 is greater than the external diameter in swivel nut portion 51, makes the bottom surface of flange part 52 form flanged surface.Head 53, in regular hexagon, is convenient to rotate hanger fastening piece 5.Hanger 6 is provided with mounting hole.Under installment state, the mounting hole of hanger 6 passes the upper end of the first cylinder head bolts 7 and is placed on the end face of cylinder cap nut 3, and swivel nut portion 51 is positioned at the mounting hole of hanger 6 after being threaded with the first cylinder head bolts 7, flanged surface is connected on the end face of mounting hole.
The cylinder head bolts that this bindiny mechanism uses all has identical length, may be used for overall cylinder cover structure, also may be used for a cylinder one to cover or cover of multicylinder one structure, decrease the kind of cylinder head bolts, reduce the difficulty of processing of cylinder head bolts, complete machine cost and maintenance cost; And reduce the whole height that motor is whole, improve the outward appearance of motor, be more conducive to improving product competitive ability; In addition, this bindiny mechanism's easy disassembly, flexible arrangement, can assemble on the engine, also can dispatch from the factory as annex, wait need lifting motor time again fit on go.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (5)
1. a lifting bindiny mechanism for big-block engine, for cylinder block and head being linked together, is characterized in that, described bindiny mechanism comprises:
At least two the first cylinder head bolts, described first cylinder head bolts is arranged on the hanger mounting point in described cylinder head, the bottom of described first cylinder head bolts successively through the attachment hole of described cylinder block and described cylinder head, and by cylinder cap nut by described cylinder block and described cylinder head fastening; Hanger is removably fixed on the upper end of at least two described first cylinder head bolts by hanger fastening piece; And
Multiple second cylinder head bolts, the length of described second cylinder head bolts is identical with described first cylinder head bolts, the bottom of described second cylinder head bolts successively through the attachment hole of described cylinder block and described cylinder head, and by cylinder cap nut by described cylinder block and described cylinder head fastening; The upper end of described second cylinder head bolts is arranged in protecting sleeve for thread.
2. the lifting bindiny mechanism of big-block engine according to claim 1, it is characterized in that, described hanger fastening piece comprises swivel nut portion and flange part, and described swivel nut portion is provided with inner bolt hole, the diameter of described flange part is greater than the external diameter in described swivel nut portion, and described hanger is provided with mounting hole; Under installment state, the mounting hole of described hanger passes the upper end of described first cylinder head bolts and is placed on the end face of described cylinder cap nut, described swivel nut portion is positioned at described mounting hole, and described swivel nut portion is threaded with described first cylinder head bolts, the bottom surface of described flange part is connected on the end face of described mounting hole simultaneously.
3. the lifting bindiny mechanism of big-block engine according to claim 1 and 2, is characterized in that, described protecting sleeve for thread is column, and described screw thread protection is arranged with smooth central blind hole or threaded interior hole.
4. the lifting bindiny mechanism of big-block engine according to claim 3, is characterized in that, described protecting sleeve for thread is made up of nylon, plastics or metallic material.
5. the lifting bindiny mechanism of big-block engine according to claim 4, is characterized in that, described protecting sleeve for thread is made up of PA6 or Q235 material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520598749.0U CN204783269U (en) | 2015-08-10 | 2015-08-10 | Hoist and mount coupling mechanism of large -scale engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520598749.0U CN204783269U (en) | 2015-08-10 | 2015-08-10 | Hoist and mount coupling mechanism of large -scale engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204783269U true CN204783269U (en) | 2015-11-18 |
Family
ID=54523333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520598749.0U Expired - Fee Related CN204783269U (en) | 2015-08-10 | 2015-08-10 | Hoist and mount coupling mechanism of large -scale engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204783269U (en) |
-
2015
- 2015-08-10 CN CN201520598749.0U patent/CN204783269U/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: 20151118 Termination date: 20210810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |