CN208885484U - A kind of star aggregation machine combined type major-minor linkage - Google Patents
A kind of star aggregation machine combined type major-minor linkage Download PDFInfo
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- CN208885484U CN208885484U CN201821339316.3U CN201821339316U CN208885484U CN 208885484 U CN208885484 U CN 208885484U CN 201821339316 U CN201821339316 U CN 201821339316U CN 208885484 U CN208885484 U CN 208885484U
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Abstract
The utility model provides a kind of star aggregation machine combined type major-minor linkage, it is characterized by: it includes connecting bar disk (1), the centre bore (2) that cooperation is connect with crankshaft is equipped on connecting bar disk (1), first groove (3) is equipped on connecting bar disk (1), one group of second groove (4) is also evenly equipped on connecting bar disk (1), there are two being set on the first groove (3) mobile jib pin hole (5), a secondary bar pin hole (5a) is equipped on each second groove (4), master connecting-rod (7) are inserted in first groove (3), the pin shaft with master connecting-rod (7) corresponding matching is equipped in mobile jib pin hole (5), secondary bar connecting rod (8) are inserted in each second groove (4), the pin shaft with secondary bar connecting rod (8) corresponding matching is equipped in secondary bar pin hole (5a).The utility model structure is simple, easy to use, and cost is low, and space utilization rate is high, compact-sized, convenient disassembly, and maintenance is easy.
Description
Technical field:
It is specifically exactly a kind of star aggregation machine combined type master the utility model relates to belong to Compressor Technology field
Slave connecting rod device.
Background technique:
Connecting rod is the connector of crosshead and crankshaft in compressor, plays the rotary motion of crankshaft being converted into crosshead
Reciprocating motion effect, is generally divided into open type connecting rod and closed link.The major part fission of open type connecting rod is structure, is being assemblied in crank
Afterwards, it needs to fasten using connecting-rod bolts, its shortcoming is that processing technology is complicated, interchangeability is poor, high to connecting-rod bolts intensity requirement
The problems such as.
Closed link major part is overall structure, and structure is simple, and processing technology is strong, and disadvantage assembly technology is poor, fuselage
Very big assembly space is needed, and is equipped with connecting rod generally at the cylinder mounting holes of fuselage and gap is installed, is not only increased in this way
Manufacture difficulty, and frame deflection can be caused, the problems such as reducing compressor overall performance intensity.
Utility model content:
The utility model is exactly in order to overcome the shortcomings in the prior art, to provide a kind of star aggregation machine combined type major-minor
Linkage.
The utility model the following technical schemes are provided:
A kind of star aggregation machine combined type major-minor linkage, it is characterised in that: it includes connecting bar disk, on connecting bar disk
Equipped with the centre bore for connecting cooperation with crankshaft, it is equipped with first groove on connecting bar disk, one group is also evenly equipped on connecting bar disk
Second groove is set on the first groove there are two mobile jib pin hole, is equipped with a secondary bar pin hole on each second groove, and first
It is inserted with master connecting-rod in groove, is equipped with the pin shaft with master connecting-rod corresponding matching in mobile jib pin hole, is plugged in each second groove
There is slave connecting rod, the pin shaft with secondary bar connecting rod corresponding matching is equipped in secondary bar pin hole.
Based on the above technical solution, there can also be technical solution further below:
The master connecting-rod includes mobile jib shaft, is equipped with enlarged head in shaft one end, is equipped with and mobile jib pin in enlarged head
The corresponding dowel hole in hole is equipped with small head in the shaft other end, the company with crosshead corresponding matching is equipped on small head
Connect hole.
The slave connecting rod includes secondary bar shaft, lobe is equipped at secondary bar shaft both ends, in lobe
Two lobes and through-hole structure equipped with through-hole, and on the secondary bar shaft are identical and symmetrical.
First groove is dovetail groove, and the center of circle for two mobile jib pin holes being located in slot is in the same horizontal line.
Second groove is arc groove, and the center of circle of the secondary bar pin hole on each second groove is in same circumference
On.
Utility model advantage:
There is the utility model connecting rod etc. point to arrange, uniform force, and dynamic balance is good；Structure is simple, simple processing, cost
Expense is low；Interchangeability is high, versatile, adjustable length of connecting rod；Double-pin location structure is higher than connecting-rod bolts intensity, safety
It can be more stable；Space utilization rate is high, compact-sized, convenient disassembly, simple and convenient for maintenance.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the stereoscopic schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of master connecting-rod in Fig. 1；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is the structural schematic diagram of slave connecting rod in Fig. 1.
Specific embodiment:
As shown in Figs. 1-5, a kind of star aggregation machine combined type major-minor linkage, it includes connecting bar disk 1, in connecting bar disk
1 the center point is equipped with centre bore 2, and the centre bore 2 runs through connecting bar disk 1, and the centre bore 2 is directly socketed on crankshaft, with
It forms transmission cooperation.
First groove 3 an of outward opening, and the opening of the first groove 3 are provided inwardly on the periphery of connecting bar disk 1
Place is connected to the periphery of connecting bar disk 1.A pair of of mobile jib pin hole 5, two mobile jib pin holes 5 are additionally provided on the cell wall of the first groove 3
The center of circle in the same horizontal line, and the mobile jib pin hole 5 run through connecting bar disk 1.The Opening length is greater than the length of slot bottom
Degree, so that the first groove 3 is at trapezium structure.
One master connecting-rod 7 is set, and the master connecting-rod 7 includes mobile jib shaft 7a, is equipped with insertion first in the one end shaft 7a
The enlarged head of groove 3 is equipped with two dowel hole 7b corresponding with mobile jib pin hole 5, by mobile jib pin hole 5 in enlarged head
With connecting pin 9 is worn in pin hole 7b, one end of master connecting-rod 7 and the first groove 3 are linked together, are also arranged on connecting pin 9
There are the 9 retaining ring 9a with 5 corresponding matching of mobile jib pin hole, the axial float after avoiding connecting pin from installing by retaining ring effectively ensures
Firmness of the connection between master connecting-rod and connecting bar disk.It is additionally provided with small head in the other end of shaft 7a, is equipped on small head
Connecting hole 7c is additionally provided with the needle bearing 10 with crosshead corresponding matching in connecting hole 7c.
It is pair that groove a 7d, two groove 7d are respectively equipped in the upper and lower surfaces of mobile jib shaft 7a
Claim distribution, the weight of master connecting-rod can be effectively reduced by groove 7d.
One group of second groove 4 is also evenly equipped on the periphery of connecting bar disk 1, second groove 4 is arc groove, described
The opening of second groove 4 is also outside, and is connected to the periphery of connecting bar disk 1.It is equipped on the cell wall of each second groove 4
Through secondary bar pin hole 5a.The center of circle of each secondary bar pin hole 5a on each of described second groove 4 is on the same circumference.
The slave connecting rod 8 of one group with 4 corresponding matching of the second groove is set, and the slave connecting rod 8 includes secondary bar shaft 8a, in pair
The both ends club body 8a are equipped with lobe 8b, and through-hole 8c is equipped on lobe 8b, are equipped in through-hole 8c same
The needle bearing 10 of axis distribution
Two lobe 8b and through-hole 8c structure on the secondary bar shaft 8a are identical and symmetrical.Even by pair
The lobe 8b of 8 one end of bar is inserted into the second groove 4, and being then aligned through-hole 8c with secondary bar pin hole 5a keeps it coaxial, and
It is inserted into connecting pin 9 wherein afterwards, one end of secondary bar shaft 8a and the second groove 4 is hinged, it is also arranged on connecting pin 9
There is the retaining ring 9a with secondary bar pin hole 5a corresponding matching.
Axial float after avoiding connecting pin from installing by retaining ring effectively ensures the firmness of connection pin connection.It is secondary
The lobe 8b of the club body 8a other end then passes through through-hole 8c and connect cooperation with crosshead.Due to the circle at slave connecting rod both ends
Protruding portion structure is identical, therefore the lobe of any end can be inserted in the second groove and connect with it in assembly
It connects.
Claims (5)
1. a kind of star aggregation machine combined type major-minor linkage, it is characterised in that: it includes connecting bar disk (1), in connecting bar disk
(1) it is equipped with the centre bore (2) for connecting cooperation with crankshaft, first groove (3) is equipped on connecting bar disk (1), in connecting bar disk
(1) it is also evenly equipped with one group of second groove (4) on, is set on the first groove (3) there are two mobile jib pin hole (5), it is recessed each second
It is equipped with a secondary bar pin hole (5a) on slot (4), is inserted with master connecting-rod (7) in the first groove (3), is equipped in mobile jib pin hole (5)
With the pin shaft of master connecting-rod (7) corresponding matching, slave connecting rod (8) are inserted in each second groove (4), in secondary bar pin hole (5a)
Equipped with the pin shaft with slave connecting rod (8) corresponding matching.
2. a kind of star aggregation machine combined type major-minor linkage according to claim 1, it is characterised in that: described
Master connecting-rod (7) include mobile jib shaft (7a), shaft one end (7a) be equipped with enlarged head, in enlarged head be equipped with and mobile jib pin hole
(5) corresponding dowel hole (7b) is equipped with small head in shaft (7a) other end, is equipped on small head corresponding with crosshead
The connecting hole (7c) of cooperation.
3. a kind of star aggregation machine combined type major-minor linkage according to claim 1, it is characterised in that: described
Slave connecting rod (8) include secondary bar shaft (8a), be equipped with lobe (8b) at the both ends secondary bar shaft (8a), it is prominent in circle
Portion (8b) is equipped with through-hole (8c), and two lobes (8b) and through-hole (8c) structure on the secondary bar shaft (8a)
It is identical and symmetrical.
4. a kind of star aggregation machine combined type major-minor linkage according to claim 1, it is characterised in that: described
The first groove (3) be dovetail groove, and be located at slot in two mobile jib pin holes (5) the center of circle in the same horizontal line.
5. a kind of star aggregation machine combined type major-minor linkage according to claim 1, it is characterised in that: described
The second groove (4) be arc groove, and the center of circle of the secondary bar pin hole (5a) on each second groove (4) is on the same circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821339316.3U CN208885484U (en) | 2018-08-20 | 2018-08-20 | A kind of star aggregation machine combined type major-minor linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821339316.3U CN208885484U (en) | 2018-08-20 | 2018-08-20 | A kind of star aggregation machine combined type major-minor linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208885484U true CN208885484U (en) | 2019-05-21 |
Family
ID=66509282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821339316.3U Active CN208885484U (en) | 2018-08-20 | 2018-08-20 | A kind of star aggregation machine combined type major-minor linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208885484U (en) |
-
2018
- 2018-08-20 CN CN201821339316.3U patent/CN208885484U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Feng Inventor after: Wang Xiaolei Inventor before: Zhu Feng |
|
| CB03 | Change of inventor or designer information |