CN202465043U - Crankshaft hoisting appliance - Google Patents
Crankshaft hoisting appliance Download PDFInfo
- Publication number
- CN202465043U CN202465043U CN 201220023692 CN201220023692U CN202465043U CN 202465043 U CN202465043 U CN 202465043U CN 201220023692 CN201220023692 CN 201220023692 CN 201220023692 U CN201220023692 U CN 201220023692U CN 202465043 U CN202465043 U CN 202465043U
- Authority
- CN
- China
- Prior art keywords
- bent axle
- crankshaft
- protecting sleeve
- suspension hook
- suspender
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a crankshaft hoisting appliance, which comprises a hook, wherein a crankshaft protective sleeve is sleeved on the hook and provided with a protective surface which is capable of attaching to a supporting surface of the crankshaft. When the crankshaft is hoisted, the hook is connected with the crankshaft to enable the protective surface of the crankshaft protective sleeve which is located between the hook and the crankshaft to be attached to the supporting surface of the crankshaft, and therefore the supporting force provided by the hook is transmitted to the crankshaft to facilitate the hoisting of the crankshaft. According to the crankshaft hoisting appliance, a line-to-line contact between the hoisting appliance and the crankshaft is replaced by a surface-to-surface contact, and therefore the contact area of the hoisting appliance and the crankshaft is increased, and the negative influence of the hoisting appliance on the surface accuracy of the crankshaft is effectively relieved.
Description
Technical field
The utility model relates to technical field of engineering machinery, relates in particular to a kind of lower suspender of harmful effect of the surface accuracy to bent axle.
Background technology
Bent axle is the main rotary gadget on the driving engine; Its with the cylinder body of the driving engine of packing into after connecting rod is connected in; During engine operation; The chemical power that produces during fuel combustion promotes piston up-and-down movement in cylinder body, piston through connected connecting rod with transmission of power to bent axle, the rotation of bent axle can drive load running.In said process, the bent axle in-engine operation of packing into is accomplished by suspender usually.
In actual production process, because the weight of bent axle is bigger usually, therefore above-mentioned suspender need adopt suspension hook that bent axle is winched to assigned address, and this suspension hook is processed by round steel, and its driving surface that directly acts on bent axle is to the bent axle application of force.Obviously, suspension hook is that line-line contacts with bent axle, and the having relatively high expectations of the surface accuracy of bent axle; In the process of suspension hook and bent axle associated movement; The pressure that suspension hook puts on the bent axle surface is bigger, causes the bent axle surface that local deformation takes place, and the surface accuracy of bent axle reduces; Then influence the operating accuracy of bent axle, cause efficiency of engine to reduce.
Therefore, how to reduce the harmful effect of suspender, become the technical barrier that those skilled in the art needs to be resolved hurrily the surface accuracy of bent axle.
The utility model content
The purpose of the utility model provides a kind of suspender of bent axle, and this suspender has reduced its harmful effect to the surface accuracy of bent axle.
To achieve these goals, the utility model provides following technical scheme:
A kind of suspender of bent axle comprises suspension hook, and said suspension hook is provided with the bent axle protecting sleeve, has the protective surface that can fit with bearing surface on the said bent axle on the said bent axle protecting sleeve.
Preferably, has the crankshaft installed mouth on the said bent axle protecting sleeve.
Preferably, said bent axle protecting sleeve is a resilient sleeve.
Preferably, said bent axle protecting sleeve is a nylon jacket.
Preferably, said bent axle protecting sleeve outer rim has the suspension hook mounting groove.
In technique scheme, the suspender that the utility model provides comprises suspension hook, is set with the bent axle protecting sleeve on the suspension hook, has the protective surface that can fit with bearing surface on the bent axle on the bent axle protecting sleeve.During the lifting bent axle, suspension hook is connected with bent axle, makes the protective surface and the bearing surface on the bent axle that are positioned on the bent axle protecting sleeve between the two fit, thereby the bearing force that suspension hook provides is passed to bent axle, so that accomplish the lifting of bent axle.
Can know through foregoing description; Compare with the suspender of the bent axle of introducing in the background technology; The suspender that the utility model provides is with self contact the face of being improved to-face contact with line-line between the bent axle; Increased the area of contact of itself and bent axle, and then effectively alleviated the harmful effect of suspender the surface accuracy of bent axle.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the bent axle protecting sleeve that Fig. 1 provides for the utility model specific embodiment;
Fig. 2 is the schematic top plan view of Fig. 1.
The specific embodiment
The core of the utility model provides a kind of suspender of bent axle, and this suspender has reduced its harmful effect to the surface accuracy of bent axle.
In order to make those skilled in the art understand the technical scheme of the utility model better, will combine accompanying drawing and specific embodiment that the utility model is done further to specify below.
Referring to Fig. 1 and Fig. 2, the structural representation of the bent axle protecting sleeve that Fig. 1 provides for the utility model specific embodiment, Fig. 2 is the schematic top plan view of Fig. 1.
As depicted in figs. 1 and 2, the suspender that the utility model provides comprises suspension hook, is set with the bent axle protecting sleeve on the suspension hook.Face by this suspender effect on the bent axle is called bearing surface, and has the protective surface 11 that can fit with this bearing surface on the bent axle protecting sleeve, and the bent axle protecting sleeve can be set to ring-type.During the lifting bent axle; Because the constructional feature of bent axle needs suspension hook is connected with the two ends of bent axle, make the protective surface 11 that is positioned on the bent axle protecting sleeve between the two fit with the bearing surface on the bent axle; Thereby the bearing force that suspension hook provides is passed to bent axle, so that accomplish the lifting of bent axle.
Can know through foregoing description; Compare with the suspender of the bent axle of introducing in the background technology; The suspender that the utility model provides is with self contact the face of being improved to-face contact with line-line between the bent axle; Increased the area of contact of itself and bent axle, and then effectively alleviated the harmful effect of suspender the surface accuracy of bent axle.
Further in the technical scheme, this bent axle protecting sleeve upper end is provided with the crankshaft installed mouth.When suspender was connected with bent axle, the bearing surface of bent axle can be fitted through the protective surface on above-mentioned crankshaft installed mouth and the bent axle protecting sleeve 11.Obviously, after the upper shed of bent axle protecting sleeve, the connection location of suspension hook and bent axle no longer is confined to the two ends of bent axle, but other driving surfaces on the bent axle, therefore can increase the quantity of suspension hook.This scheme has not only been simplified being connected of suspension hook and bent axle, also can be bent axle bigger bearing force is provided, and prevents that bent axle from excessive distortion taking place in hoisting process.
In the optimized technical scheme, the manufactured materials of bent axle protecting sleeve can be elastomeric material, like plastics, rubber etc.At this moment, the bent axle protecting sleeve is with after bent axle is connected, and the elasticity that the bent axle protecting sleeve itself has can further reduce the local deformation of bent axle, and is bigger to the protection of bent axle.More preferably, this elastomeric material can be nylon.Nylon has better elasticity, fatigue resistance, heat stability etc., and its Combination property shows more excellently with respect to other elastomeric materials, can the protection effect of above-mentioned bent axle protecting sleeve to bent axle be promoted greatly.
When the manufactured materials of bent axle protecting sleeve was elastomeric material, the bent axle protecting sleeve is set on the suspension hook also can realize that when specifically using, suspension hook is connected in the suspension hook mounting groove 12 through the suspension hook mounting groove 12 that is arranged at bent axle protecting sleeve outer rim.With respect to the mode of suspension hook and bent axle protecting sleeve suit, such scheme makes suspension hook and bent axle protecting sleeve to dismantle easily, thereby the installation of selecting the bent axle protecting sleeve according to actual condition in process of production whether, improves the practicality of this suspender with this.Simultaneously, this set-up mode has been simplified the maintenance operation of bent axle protecting sleeve, reduces its maintenance cost.
More than the suspender of the bent axle that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (5)
1. the suspender of a bent axle comprises suspension hook, it is characterized in that, said suspension hook is provided with the bent axle protecting sleeve, has the protective surface (11) that can fit with bearing surface on the said bent axle on the said bent axle protecting sleeve.
2. according to the described suspender of claim 1, it is characterized in that said bent axle protecting sleeve upper end has the crankshaft installed mouth.
3. according to claim 1 or 2 described suspenders, it is characterized in that said bent axle protecting sleeve is a resilient sleeve.
4. according to the described suspender of claim 3, it is characterized in that said bent axle protecting sleeve is a nylon jacket.
5. according to the described suspender of claim 3, it is characterized in that said bent axle protecting sleeve outer rim has suspension hook mounting groove (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220023692 CN202465043U (en) | 2012-01-18 | 2012-01-18 | Crankshaft hoisting appliance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220023692 CN202465043U (en) | 2012-01-18 | 2012-01-18 | Crankshaft hoisting appliance |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202465043U true CN202465043U (en) | 2012-10-03 |
Family
ID=46913223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220023692 Expired - Fee Related CN202465043U (en) | 2012-01-18 | 2012-01-18 | Crankshaft hoisting appliance |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202465043U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020155704A1 (en) * | 2019-01-29 | 2020-08-06 | 浙江永强集团股份有限公司 | Sound-diminishing clasp for outdoor furniture and mounting structure thereof |
-
2012
- 2012-01-18 CN CN 201220023692 patent/CN202465043U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020155704A1 (en) * | 2019-01-29 | 2020-08-06 | 浙江永强集团股份有限公司 | Sound-diminishing clasp for outdoor furniture and mounting structure thereof |
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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: 20121003 Termination date: 20180118 |
|
CF01 | Termination of patent right due to non-payment of annual fee |