CN217551790U - Support frame is adjusted to bent axle - Google Patents
Support frame is adjusted to bent axle Download PDFInfo
- Publication number
- CN217551790U CN217551790U CN202221806522.7U CN202221806522U CN217551790U CN 217551790 U CN217551790 U CN 217551790U CN 202221806522 U CN202221806522 U CN 202221806522U CN 217551790 U CN217551790 U CN 217551790U
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- China
- Prior art keywords
- traveller
- casing
- rear end
- support frame
- guiding hole
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a support frame is adjusted to bent axle, including the support frame body that has the V-arrangement groove, be equipped with respectively an adjustment mechanism on the both sides inclined plane in V-arrangement groove, every adjustment mechanism all includes the casing, the traveller, adjust the lead screw, establish the slip chamber in the casing, the traveller rear end is located the slip intracavity and the guiding hole has been seted up to the axial, the guiding hole rear end is equipped with movable nut admittedly, the traveller front end radially contacts with the axle journal side below, adjust the lead screw front end and locate in the casing through the bearing and penetrate the traveller guiding hole and with movable nut screw-thread fit, the rear end has the rotation and pulls the end, still be equipped with on the casing can radially push up tight locking bolt mutually with the traveller. The position of the journal can be correspondingly adjusted according to the coaxiality measuring result by adjusting the adjusting mechanism of the supporting frame, so that the coaxiality of the whole crankshaft is ensured, and the coaxiality and the accuracy of finish machining of the flange hole are ensured.
Description
Technical Field
The utility model belongs to bent axle processing auxiliary workpiece, concretely relates to support frame is adjusted to bent axle.
Background
In the manufacturing process of the large marine butt-joint crankshaft in the prior art, two segmental crankshafts need to be mutually spliced through connecting flanges at butt-joint ends of the two segmental crankshafts, in the splicing process, hole boring and finish machining need to be carried out on paired flange holes of the two connecting flanges one by one, how to adjust the coaxiality of the paired flange holes is guaranteed, the assembling precision of the whole crankshaft and the stable operation of an engine are related, and the problem which needs to be solved urgently at present is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a support frame is adjusted to bent axle is provided, can adjust the axiality of bent axle journal to guarantee flange Kong Tangkong's axiality precision.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a support frame is adjusted to bent axle, locate bent axle journal bottom, including the support frame body that has the V-arrangement groove, be equipped with respectively an adjustment mechanism on the both sides inclined plane in V-arrangement groove, every adjustment mechanism all includes the casing, the traveller, adjust the lead screw, establish the slip chamber in the casing, the traveller rear end is located the slip intracavity and the guiding hole has been seted up to the axial, the guiding hole rear end is equipped with movable nut admittedly, the traveller front end radially contacts below with the journal side, adjust the lead screw front end and locate in the casing through the bearing and penetrate the traveller guiding hole and with movable nut screw-thread fit, the rear end has the rotation and pulls the end, still be equipped with on the casing and can radially push up tight locking bolt mutually with the traveller.
And a hydraulic jack for supporting the bottom of the shaft neck is longitudinally arranged in the middle of the V-shaped groove.
Cushion blocks are arranged at the contact ends of the hydraulic jack, the sliding column and the shaft neck.
The bottom of the cushion block is matched and connected with the hydraulic jack and the sliding column through dovetail grooves, and the top of the cushion block is compounded with a Babbitt metal layer.
The opening part at the front end of the shell is provided with a copper sleeve, and the opening part at the rear end of the shell is provided with a fixing ring.
Adopt the utility model discloses a support frame is adjusted to bent axle has following advantage:
1. the support frame of the utility model is arranged under each shaft neck of the crankshaft, and before each pair of flanges Kong Tangkong, the position of the shaft neck can be correspondingly adjusted according to the coaxiality measuring result by adjusting the adjusting mechanism of the support frame, so as to ensure the coaxiality of the whole crankshaft and the finish machining coaxiality and accuracy of the flange hole;
2. the hydraulic jack can bear part of gravity of the crankshaft, so that the adjusting mechanism is more labor-saving in the adjusting process.
Drawings
The following detailed description of the invention is made with reference to the accompanying drawings and the detailed description:
FIG. 1 is a perspective view of the present invention with two crankshaft sections oppositely disposed;
FIG. 2 is an axial view of the crankshaft adjusting bracket of the present invention;
FIG. 3 is a schematic perspective view of the journal and crankshaft adjusting bracket of the present invention;
fig. 4 is a cross-sectional view of the adjustment mechanism of the present invention;
fig. 5 is a cross-sectional view of the mat of the present invention.
Detailed Description
The utility model discloses a crankshaft adjusting support frame is as shown in fig. 1-5, locate each axle journal bottom of bent axle, including the support frame body 41 that the top has the V-arrangement groove, as shown in fig. 2-3, this support frame body 41 can directly be designed into the Y-arrangement, vertically be equipped with the hydraulic jack 42 that supports axle journal 3 bottom in the middle of the V-arrangement groove, for the height control in Y axle direction, be equipped with an adjustment mechanism 43 respectively on the both sides inclined plane of V-arrangement groove, as shown in fig. 4, every adjustment mechanism 43 all includes casing 431, sliding column 432, adjusting screw 433, establish the sliding chamber in the casing 431, the sliding chamber is located and axially seted up the guiding hole to the rear end of sliding column 432, the tip sets firmly sliding nut 439 through the fastening bolt behind the guiding hole, sliding column 432 front end radial and the axle journal 3 side contact, and be 90 degrees contained angle between two sliding columns 432 and set up, adjusting screw 433 locates in the casing 431 through bearing 438 and cooperates with sliding nut 439 and through penetrating in the guiding hole 439 at the rear end of sliding column 432, the rear end has rotatory pulling end 434, can drive the sliding of sliding column 432 through the spanner, thereby can realize that the radial sliding of adjusting screw 432 is used for the radial locking bolt 435 on the casing 432 and the right and left and right sides of the sliding column 432, the locking bolt that can be used for the adjusting the casing 432, the locking bolt behind column 432 is used for the casing 432; a copper sleeve 436 is further arranged at the opening at the front end of the shell 431, and a fixing ring 437 is arranged at the opening at the rear end; in addition, a cushion block 44 is provided at the contact end of each of the hydraulic jack 42 and the sliding column 432 with the journal 3, as shown in fig. 5, the bottom of the cushion block 44 can be connected with the hydraulic jack 42 and the sliding column 432 in a matching way through a dovetail groove 45, and the contact surface of the top of the cushion block and the journal 3 is a composite babbitt metal layer 46.
When the crankshaft coaxiality detection device is used, the connecting flange 1 and the flange hole 2 of the two segmental crankshafts are oppositely arranged as shown in figure 1, the bottom of each shaft neck 3 of the two segmental crankshafts is respectively provided with an adjusting support frame 4, one side of each shaft neck 3 is respectively provided with a coaxiality detection device (not shown in the figure), a micrometer and the like can be usually adopted, and a telescopic probe of each coaxiality detection device is horizontally and radially contacted with the shaft neck 3; rotating the two-subsection crankshafts to enable any pair of flange holes 2 to rotate to a finish machining position, and simultaneously, driving the sliding columns 432 to adjust the coaxiality of the two-subsection crankshafts left and right by rotating the adjusting screw rods 433 of the corresponding side adjusting mechanisms 43 according to the detection result of the coaxiality detection device so as to enable the two-subsection crankshafts to be coaxial; boring and finish machining are carried out on the pair of flange holes 2 through a boring cutter, so that the coaxiality precision of the pair of flange holes 2 can be ensured, and corresponding bolts are installed; in a similar way, after the next pair of flange holes 2 rotates to the finish machining station, the same coaxiality detection, adjustment, boring and bolt installation modes are adopted until all the paired flange holes 2 are processed and connected.
However, those skilled in the art should realize that the above embodiments are only used for illustrating the present invention and not used as a limitation of the present invention, and that the changes and modifications to the above embodiments are within the scope of the appended claims as long as they are within the true spirit of the present invention.
Claims (5)
1. The utility model provides a support frame is adjusted to bent axle, locates bent axle journal bottom, its characterized in that: including the support frame body that has the V-arrangement groove, be equipped with respectively on the both sides inclined plane in V-arrangement groove and be equipped with an adjustment mechanism, every adjustment mechanism all includes the casing, the traveller, adjust the lead screw, establish the slip chamber in the casing, the traveller rear end is located the slip intracavity and the axial has seted up the guiding hole, the guiding hole rear end is equipped with movable nut admittedly, the traveller front end radially contacts with the journal side below, adjust the lead screw front end and locate in the casing through the bearing and penetrate in the traveller guiding hole and with movable nut screw-thread fit, the rear end has the rotation and pulls the end, still be equipped with on the casing and can radially push up tight locking bolt mutually with the traveller.
2. The crankshaft adjustment support bracket of claim 1, wherein: and a hydraulic jack for supporting the bottom of the shaft neck is longitudinally arranged in the middle of the V-shaped groove.
3. The crankshaft adjustment support bracket of claim 2, wherein: cushion blocks are arranged at the contact ends of the hydraulic jack, the sliding column and the shaft neck.
4. The crankshaft adjustment support bracket of claim 3, wherein: the bottom of the cushion block is matched and connected with the hydraulic jack and the sliding column through dovetail grooves, and the top of the cushion block is compounded with a Babbitt metal layer.
5. The crankshaft adjustment support bracket of claim 1, wherein: the opening part at the front end of the shell is provided with a copper sleeve, and the opening part at the rear end of the shell is provided with a fixing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221806522.7U CN217551790U (en) | 2022-07-13 | 2022-07-13 | Support frame is adjusted to bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221806522.7U CN217551790U (en) | 2022-07-13 | 2022-07-13 | Support frame is adjusted to bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217551790U true CN217551790U (en) | 2022-10-11 |
Family
ID=83504321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221806522.7U Active CN217551790U (en) | 2022-07-13 | 2022-07-13 | Support frame is adjusted to bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217551790U (en) |
-
2022
- 2022-07-13 CN CN202221806522.7U patent/CN217551790U/en active Active
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