CN105081735A - Mechanism for installing shaft coupler and shaft head of main shaft of compressor and installing method of mechanism - Google Patents
Mechanism for installing shaft coupler and shaft head of main shaft of compressor and installing method of mechanism Download PDFInfo
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- CN105081735A CN105081735A CN201410195882.1A CN201410195882A CN105081735A CN 105081735 A CN105081735 A CN 105081735A CN 201410195882 A CN201410195882 A CN 201410195882A CN 105081735 A CN105081735 A CN 105081735A
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Abstract
The invention relates to a compressor assembling mechanism, in particular to a mechanism for installing a shaft coupler and a shaft head of a main shaft of the compressor and an installing method of the mechanism. One end of a cylinder is connected with the shaft head of the main shaft, and the other end of the cylinder is provided with a rotatable positioning plate in a sleeving way; a piston is arranged on the cylinder in a sleeving way, and is connected with the cylinder through a positioning screw bolt and a positioning screw nut; a hydraulic cavity is arranged between the piston and the cylinder; the hydraulic cavity is communicated with a low-pressure pump joint arranged on the piston; oil output to the hydraulic cavity from the low-pressure pump joint pushes the piston, and further pushes the shaft coupler to move relative to the cylinder along the axial direction; the low-pressure pump joint penetrates through the cylinder and is connected with a high-pressure oil hole formed in the shaft coupler; a locking screw bolt and a locking screw nut which can enable the piston to be abutted against the shaft coupler are arranged on the cylinder; and the moving distance of the shaft coupler pushed by the piston is identical to the thickness of a positioning plate. The installation interference magnitude of the shaft head of the main shaft and the shaft coupler can be precisely controlled; the installation precision requirement is met; different interference magnitudes can be realized by using positioning plates with different thicknesses; and high flexibility is realized.
Description
Technical field
The present invention relates to compressor assemble mechanism, specifically a kind of mechanism for installing compressor main shaft spindle nose and shaft coupling and installation method thereof.
Background technology
The main-shaft spindle head 12 of compressor is connected with adopting the mode of interference fit between shaft coupling 11, as shown in Figure 1.Because main-shaft spindle head 12 has certain tapering, therefore after shaft coupling 11 is inserted in certain depth, hydraulic oil is injected between the conical surface and the inner hole surface of shaft coupling 11 of main-shaft spindle head 12 by the high pressure oilhole 13 of main-shaft spindle head 12 end, the endoporus of shaft coupling 11 is forced to expand, then shaft coupling 11 is pushed, fix finally by pressing plate 15 and nut 14, complete installation.
Because the magnitude of interference be connected between main-shaft spindle head 12 with shaft coupling 11 has very high requirement, adopt existing manual method to be difficult to control this magnitude of interference, and waste time and energy, also affect installation accuracy, efficiency is also lower.
Summary of the invention
In order to solve existing mounting means exist the very difficult control magnitude of interference, waste time and energy, installation accuracy difference etc. problem, the object of the present invention is to provide a kind of mechanism for installing compressor main shaft spindle nose and shaft coupling and installation method thereof, having very important effect for the installation accuracy between lifting spindle spindle nose and shaft coupling and efficiency.
The object of the invention is to be achieved through the following technical solutions:
Mechanism of the present invention comprises piston, cylinder, bolt, setscrew nut, location-plate, high-pressure pump joint, clamping screw, locking nut and low-lift pump joint, wherein one end of cylinder is connected with main-shaft spindle head, the other end is arranged with rotating location-plate, described piston bush is on cylinder, and be connected with described cylinder by bolt and setscrew nut, Packed hydraulic cavities is established between described piston and cylinder, this hydraulic cavities is connected with the low-lift pump joint be arranged on piston, the oil that described low-lift pump joint exports to hydraulic cavities promotes piston, and then promotion shaft coupling moves vertically relative to described cylinder, described high-pressure pump joint penetrates by cylinder, and is connected with the high pressure oilhole on described shaft coupling, described cylinder is provided with the clamping screw, the locking nut that make piston abut described shaft coupling, the distance of described piston promotion shaft coupling movement equals the thickness of location-plate.
Wherein: described location-plate has the groove be buckled on bolt, described location-plate promotes to be buckled on bolt by described groove before described shaft coupling moves at piston, and locked by described setscrew nut, the movement promoting described shaft coupling for piston provides space; Described location-plate is Cyclotron structure, namely the middle part of location-plate is annular, centre has the centre bore being enclosed within the described cylinder other end for location-plate, on described location-plate, radially symmetry stretches out, forms the identical extension of two shapes, the outer rim of each extension is equipped with the handle for rotating, the longitudinal center line conllinear of two handles and through the center of described centre bore; The side of described extension and the middle part outer shroud of location-plate tangent, opposite side is arc and is provided with the groove be buckled on described bolt, and the groove on two extensions lays respectively at the both sides of described two handles longitudinal center lines; The longitudinal center line of described two handles between the both sides of location-plate; Described location-plate rotates around the longitudinal center line of cylinder, the thickness h=D × φ × n of location-plate, and wherein, D is the outside diameter of main-shaft spindle head, and φ is the percentage of the magnitude of interference between main-shaft spindle head and shaft coupling, and n is the tapering of main-shaft spindle head;
Described piston and cylinder are the tubular structure of hollow, and the inner hole surface of described piston and the outer surface of cylinder are equipped with taper seat, and the taper seat on described piston inner hole face matches with the taper seat on cylinder outer surface, forms described hydraulic cavities; Sealed by sealing ring between the inner hole surface of described piston and the outer surface of cylinder, sealing place is positioned at the both sides, front and back of described hydraulic cavities axis; The other end of described cylinder has bolt hole and tapped through hole, and this bolt hole and tapped through hole interval are arranged, the center line of place, center of circle circle of described bolt hole and tapped through hole and the longitudinal center line conllinear of described cylinder; Described bolt is through the bolt hole on cylinder, and be arranged on described piston, described setscrew nut is arranged on bolt; Described clamping screw is arranged in the tapped through hole of cylinder, and is connected on described piston through tapped through hole, and described locking nut is arranged on clamping screw; Described piston is provided with the suspension ring being convenient to lift, these suspension ring and described low-lift pump joint are symmetrical arranged;
Installation method of the present invention is:
First, described cylinder is arranged on main-shaft spindle head, successively piston, location-plate is enclosed within described cylinder, and is connected with cylinder by piston by bolt; Described high-pressure pump joint is connected with the high pressure oilhole on main-shaft spindle head;
By clamping screw, piston is pressed in shaft coupling, and uses locking nut locked position;
Rotational positioning plate, makes groove be buckled on bolt, and locks with setscrew nut;
Then, to counter-rotation location-plate, the groove of location-plate is exited completely from the below of setscrew nut;
By high-pressure pump joint to the high pressure oilhole fuel feeding on main-shaft spindle head, the endoporus of shaft coupling is expanded;
By low-lift pump joint to the hydraulic cavities fuel feeding between cylinder and piston, promote piston movement, piston promotes shaft coupling and moves vertically, after the distance of the location-plate thickness that moved, and piston ceases movement, shaft coupling is in place;
Finally, pull down piston, cylinder and high-pressure pump joint, pressing plate and nut are installed, closed coupling.
Wherein: during rotational positioning plate, described location-plate rotates to the below of setscrew nut, namely between setscrew nut and cylinder.
Advantage of the present invention and good effect are:
1. the present invention accurately can control the installation magnitude of interference of main-shaft spindle head and shaft coupling, reaches the requirement of installation accuracy.
2. the present invention realizes the different magnitudes of interference by using the location-plate of different-thickness, has very high flexibility.
3. shaft coupling is installed on main-shaft spindle head by the mode of hydraulic pressure by the present invention, and installation effectiveness is high, eliminates heavy hand labor.
Accompanying drawing explanation
Fig. 1 is the mounting structure figure of existing main-shaft spindle head and shaft coupling;
Fig. 2 is the structural front view of duty of the present invention;
Fig. 3 is the A-A sectional view in Fig. 2;
Fig. 4 is the structural representation of location-plate of the present invention;
Fig. 5 is the structural front view of original state of the present invention;
Fig. 6 is the structural representation that the present invention completes installation;
Wherein: 1 is piston, 2 is cylinder, and 3 is bolt, and 4 is setscrew nut, 5 is location-plate, and 6 is high-pressure pump joint, and 7 is clamping screw, and 8 is locking nut, 9 is low-lift pump joint, and 10 is sealing ring, and 11 is shaft coupling, 12 is main-shaft spindle head, and 13 is high pressure oilhole, and 14 is nut, 15 is pressing plate, and 16 is hydraulic cavities, and 17 is groove, 18 is handle, and 19 is suspension ring, and centered by 20 hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 3, mechanism of the present invention comprises piston 1, cylinder 2, bolt 3, setscrew nut 4, location-plate 5, high-pressure pump joint 6, clamping screw 7, locking nut 8 and low-lift pump joint 9, wherein cylinder 2 is the tubular structure of hollow, centre has endoporus vertically, endoporus one end (front end) of cylinder 2 is provided with screw thread, cylinder 2 is made to be threadedly connected in the threaded stub of main-shaft spindle head 12, the outer surface middle part of cylinder 2 is provided with taper seat, and the seal groove of accommodating sealing ring 10 is respectively equipped with in the both sides of taper seat axis, the other end of cylinder 2 is provided with seam, location-plate 5 is set in the other end of cylinder 2 rotationally.
Piston 1 is enclosed within cylinder 2, piston 1 is the tubular structure of hollow, centre has endoporus vertically, the inner hole surface of piston 1 is corresponding with the external surface shape of cylinder 2, be provided with taper seat in the middle part of piston 1 inner hole surface, the taper seat in piston 1 inner hole surface matches with the taper seat on cylinder 2 outer surface, forms hydraulic cavities 16, sealed by sealing ring 10 between the inner hole surface of piston 1 and the outer surface of cylinder 2, namely sealing place is positioned at the both sides, front and back of hydraulic cavities 16 axis.The other end of cylinder 2 has bolt hole and tapped through hole (the present embodiment is provided with two bolts hole and two tapped through holes at circumferencial direction), this bolt hole and tapped through hole interval are arranged, the center line of place, center of circle circle of bolt hole and tapped through hole and the longitudinal center line conllinear of cylinder 2; Piston 1 is connected with cylinder 2 by bolt 3 and setscrew nut 4, and bolt 3 is through the bolt hole on cylinder 2, and be arranged on piston 1, setscrew nut 4 is arranged on bolt 3.Cylinder 2 is provided with the clamping screw 7, the locking nut 8 that make piston 1 abut shaft coupling 11, and clamping screw 7 is arranged in the tapped through hole of cylinder 2, and is connected on piston 1 through tapped through hole, and locking nut 8 is arranged on clamping screw 7.Piston 1 is provided with low-lift pump joint 9, this low-lift pump joint 9 is connected with hydraulic cavities 16, and low-lift pump joint 9 promotes piston 1 to the oil that hydraulic cavities 16 exports and then promote shaft coupling 11 to move vertically relative to cylinder 2; High-pressure pump joint 6 is penetrated by the endoporus of cylinder 2, and is connected with the high pressure oilhole 13 on shaft coupling 11.Piston 1 is also provided with the suspension ring 19 being convenient to lift, these suspension ring 19 are symmetrical arranged with low-lift pump joint 9.
As shown in Figure 4, location-plate 5 is Cyclotron structure, namely the middle part of location-plate 5 is annular, centre has the centre bore 20 being enclosed within cylinder 2 other end for location-plate 5, on location-plate 5, radially symmetry stretches out, forms the identical extension of two shapes, the outer rim of each extension be equipped with handle 18, two handles 18 for rotating longitudinal center line conllinear and through the center of centre bore 20; The side of extension and the middle part outer shroud of location-plate 5 tangent, opposite side is arc and is provided with the groove 17 be buckled on bolt 3, the longitudinal center line of two handles 18 between the both sides of location-plate 5, the groove 17 on two extensions lays respectively at the both sides of two handles longitudinal center lines.Location-plate 5 promotes to be buckled on bolt 3 by groove 17 before shaft coupling 11 moves at piston 1, and is locked by setscrew nut 4, and the movement promoting shaft coupling 11 for piston 1 provides space; The distance that piston 1 promotes shaft coupling 11 movement equals the thickness of location-plate 5, location-plate 5 rotates around the longitudinal center line of cylinder 2, thickness h=D × φ × the n of location-plate 5, wherein, D is the outside diameter of main-shaft spindle head 12, φ is the percentage of the magnitude of interference between main-shaft spindle head 12 and shaft coupling 11, and n is the tapering of main-shaft spindle head 12.
In the place that shaft coupling 11 matches with main-shaft spindle head 12, sealing ring 10 is installed.
Installation method of the present invention is:
First, shaft coupling 11 is arranged on the assigned address on main-shaft spindle head 12, cylinder 2 is arranged in the threaded stub of main-shaft spindle head 12, piston 1, location-plate 5 is enclosed within cylinder 2 successively, and is connected with cylinder 2 by piston 1 by bolt 3; High-pressure pump joint 6 is connected with the high pressure oilhole 13 on main-shaft spindle head 12; By clamping screw 7, piston 1 is pressed in shaft coupling 11, and with locking nut 8 locked position, as shown in Figure 3;
Handle 18 on rotational positioning plate 5, rotates to the below of setscrew nut 4 by location-plate 5, namely between setscrew nut 4 and cylinder 2, groove 17 is buckled on bolt 3, and locks with setscrew nut 4, as shown in Figure 2;
Then, to the handle 18 on counter-rotation location-plate 5, the groove 17 of location-plate 5 is exited completely, as shown in Figure 5 from the below of setscrew nut 4;
By high-pressure pump joint 6 to high pressure oilhole 13 fuel feeding on main-shaft spindle head 12, the endoporus of shaft coupling 11 is expanded;
By low-lift pump joint 9 to hydraulic cavities 16 fuel feeding between cylinder 2 and piston 1, promote piston 1 and move, piston 1 promotes shaft coupling 11 and moves vertically, after the distance of location-plate 5 thickness that moved, and piston 1 stop motion, shaft coupling 11 is in place, as shown in Figure 6;
Finally, pull down piston 1, cylinder 2 and high-pressure pump joint 6, pressing plate 15 and nut 14 are installed, closed coupling 11.
The present invention has very important effect for the installation accuracy of lifting spindle spindle nose 12 and shaft coupling 11 and efficiency.
Claims (10)
1. one kind for installing the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that: comprise piston (1), cylinder (2), bolt (3), setscrew nut (4), location-plate (5), high-pressure pump joint (6), clamping screw (7), locking nut (8) and low-lift pump joint (9), wherein one end of cylinder (2) is connected with main-shaft spindle head (12), the other end is arranged with rotating location-plate (5), described piston (1) is enclosed within cylinder (2), and be connected with described cylinder (2) by bolt (3) and setscrew nut (4), Packed hydraulic cavities (16) is established between described piston (1) and cylinder (2), this hydraulic cavities (16) is connected with the low-lift pump joint (9) be arranged on piston (1), the oil that described low-lift pump joint (9) exports to hydraulic cavities (16) promotes piston (1), and then promotion shaft coupling (11) is moved vertically relative to described cylinder (2), described high-pressure pump joint (6) penetrates by cylinder (2), and is connected with the high pressure oilhole (13) on described shaft coupling (11), described cylinder (2) is provided with the clamping screw (7), the locking nut (8) that make piston (1) abut described shaft coupling (11), the distance of described piston (1) promotion shaft coupling (11) movement equals the thickness of location-plate (5).
2. by described in claim 1 for installing the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that: described location-plate (5) has the groove (17) be buckled on bolt (3), described location-plate (5) promotes to be buckled on bolt (3) by described groove (17) before described shaft coupling (11) moves at piston (1), and by described setscrew nut (4) locking, the movement promoting described shaft coupling (11) for piston (1) provides space.
3. by described in claim 1 or 2 for installing the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that: described location-plate (5) is Cyclotron structure, namely the middle part of location-plate (5) is annular, centre has the centre bore (20) being enclosed within described cylinder (2) other end for location-plate (5), on described location-plate (5), radially symmetry stretches out, form the extension that two shapes are identical, the outer rim of each extension is equipped with the handle (18) for rotating, the longitudinal center line conllinear of two handles (18), and through the center of described centre bore (20), the middle part outer shroud of the side of described extension and location-plate (5) is tangent, opposite side is arc and is provided with the groove (17) be buckled on described bolt (3), and the groove (17) on two extensions lays respectively at the both sides of described two handles longitudinal center lines.
4. by described in claim 3 for installing the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that: between the both sides being positioned at location-plate (5) of the longitudinal center line of described two handles (18).
5. by described in claim 3 for installing the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that: described location-plate (5) rotates around the longitudinal center line of cylinder (2), thickness h=D × φ × the n of location-plate (5), wherein, D is the outside diameter of main-shaft spindle head (12), φ is the percentage of the magnitude of interference between main-shaft spindle head (12) and shaft coupling (11), and n is the tapering of main-shaft spindle head (12).
6. by described in claim 1 for installing the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that: described piston (1) and cylinder (2) are the tubular structure of hollow, the inner hole surface of described piston (1) and the outer surface of cylinder (2) are equipped with taper seat, taper seat in described piston (1) inner hole surface matches with the taper seat on cylinder (2) outer surface, forms described hydraulic cavities (16); Sealed by sealing ring (10) between the inner hole surface of described piston (1) and the outer surface of cylinder (2), sealing place is positioned at the axial both sides, front and back of described hydraulic cavities (16).
7. by described in claim 6 for installing the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that: the other end of described cylinder (2) has bolt hole and tapped through hole, this bolt hole and tapped through hole interval are arranged, the center line of place, center of circle circle of described bolt hole and tapped through hole and the longitudinal center line conllinear of described cylinder (2); Described bolt (3), through the bolt hole on cylinder (2), is arranged on described piston (1), and described setscrew nut (4) is arranged on bolt (3); Described clamping screw (7) is arranged in the tapped through hole of cylinder (2), and is connected on described piston (1) through tapped through hole, and described locking nut (8) is arranged on clamping screw (7).
8. by described in claim 1 for installing the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that: described piston (1) is provided with the suspension ring (19) being convenient to lift, these suspension ring (19) and described low-lift pump joint (9) are symmetrical arranged.
9. by described in claim 1 or 2 for installing an installation method for the mechanism of compressor main shaft spindle nose and shaft coupling, it is characterized in that:
First, described cylinder (2) is arranged on main-shaft spindle head (12), successively piston (1), location-plate (5) are enclosed within described cylinder (2), and by bolt (3), piston (1) are connected with cylinder (2); Described high-pressure pump joint (6) is connected with the high pressure oilhole (13) on main-shaft spindle head (12);
By clamping screw (7), piston (1) is pressed in shaft coupling (11), and with locking nut (8) locked position;
Rotational positioning plate (5), makes groove (17) be buckled on bolt (3), and locks with setscrew nut (4);
Then, to counter-rotation location-plate (5), the groove of location-plate (5) (17) is exited completely from the below of setscrew nut (4);
By high-pressure pump joint (6) to high pressure oilhole (13) fuel feeding on main-shaft spindle head (12), the endoporus of shaft coupling (11) is expanded;
By low-lift pump joint (9) to hydraulic cavities (16) fuel feeding between cylinder (2) and piston (1), promote piston (1) motion, piston (1) promotes shaft coupling (11) and moves vertically, after the distance of location-plate (5) thickness that moved, piston (1) stop motion, shaft coupling (11) is in place;
Finally, pull down piston (1), cylinder (2) and high-pressure pump joint (6), pressing plate (15) and nut (14) are installed, closed coupling (11).
10. by installation method according to claim 9, it is characterized in that: time rotational positioning plate (5), described location-plate (5) rotates to the below of setscrew nut (4), namely between setscrew nut (4) and cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195882.1A CN105081735A (en) | 2014-05-09 | 2014-05-09 | Mechanism for installing shaft coupler and shaft head of main shaft of compressor and installing method of mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195882.1A CN105081735A (en) | 2014-05-09 | 2014-05-09 | Mechanism for installing shaft coupler and shaft head of main shaft of compressor and installing method of mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105081735A true CN105081735A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410195882.1A Pending CN105081735A (en) | 2014-05-09 | 2014-05-09 | Mechanism for installing shaft coupler and shaft head of main shaft of compressor and installing method of mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN105081735A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460158A (en) * | 2020-10-27 | 2021-03-09 | 中冶陕压重工设备有限公司 | Installation tool and installation method for gear in large-interference flying shear shaft |
| CN112743893A (en) * | 2020-12-15 | 2021-05-04 | 沃得精机(中国)有限公司 | Connecting structure of transmission gear and crankshaft of press |
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| CN112743893A (en) * | 2020-12-15 | 2021-05-04 | 沃得精机(中国)有限公司 | Connecting structure of transmission gear and crankshaft of press |
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