CN203125111U - Roll-over table used for crankshaft of main engine of medium-speed diesel engine - Google Patents
Roll-over table used for crankshaft of main engine of medium-speed diesel engine Download PDFInfo
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- CN203125111U CN203125111U CN 201220731068 CN201220731068U CN203125111U CN 203125111 U CN203125111 U CN 203125111U CN 201220731068 CN201220731068 CN 201220731068 CN 201220731068 U CN201220731068 U CN 201220731068U CN 203125111 U CN203125111 U CN 203125111U
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- roll
- over table
- diesel engine
- circular support
- half part
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Abstract
A roll-over table used for a crankshaft of a main engine of a medium-speed diesel engine comprises a main engine roll-over support, a variable-speed drive device and output shafts. The main engine roll-over support comprises a roll-over table base, two upper half part circular supports and two lower half part circular supports, wherein one upper half part circular support and one lower half part circular support are connected to form a circular support, the other upper half part circular support and the other lower half part circular support are connected to form another circular support, the two circular supports are fixed at two ends of the roll-over table base respectively, a plurality of idler wheels and one transmission gear are arranged at each of both ends of the roll-over table base, and a main engine locking support is arranged on the inner circumference of each upper half part circular support. The variable-speed drive device comprises a three-phrase motor, an outage self-locking device and a speed change gear box, wherein the three-phrase motor, the outage self-locking device and the speed change gear box are connected in sequence, and the speed change gear box is respectively connected with the two transmission gears through the output shafts. The roll-over table conveniently and quickly achieves rolling over of the crankshaft of the 16PC26 main engine, brings convenience to follow-up installation of parts and improves operation efficiency.
Description
Technical field
The utility model relates to mechanical manufacturing field, particularly relates to a kind of roll-over table for the medium seed diesel engine host crankshaft.
Background technology
Medium seed diesel engine host crankshaft (particularly 16PC26 host crankshaft) adopts the mode that hangs to hang on the frame below at present.By bearing cap, connecting bolt, cross bolts crankshaft installed is fixed on the frame below, in assembling process, need to make the frame lower plane upwards 180 ° of frame reversings earlier, after the pump hole, bent axle is taken a seat, properly installed each grade bearing cap, bolt on, also frame must be overturn again behind the properly installed bent axle and just put, other parts are installed.
Because main frame weight is heavier, so after crankshaft installed is finished, must adopt the special-purpose frock tool of a cover, can conveniently the 16PC26 main frame be overturn, so that the installation of follow-up parts.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of 16PC26 host crankshaft roll-over table is provided, and can conveniently the medium seed diesel engine host crankshaft be overturn, and is convenient to the installation of follow-up parts.
Technical solution of the present utility model is as follows:
A kind of medium seed diesel engine host crankshaft roll-over table, its characteristics are, comprise main frame turnover bracket, variable speed drive and output shaft:
Described main frame turnover bracket comprises roll-over table base, two the first half circular supports and two the latter half circular supports, described two the first half circular supports and two the latter half circular supports connect into two circular supports by connecting bolt respectively, and be separately fixed at the two ends of roll-over table base, the two ends of roll-over table base are respectively equipped with a plurality of rollers and a travelling gear, and described the first half circular support inner periphery is provided with main frame locking and supports;
Described variable speed drive comprises three phase electric machine, cut off self-lock device and the change gear box that connects successively, and this change gear box is connected with two travelling gears respectively through described output shaft.
The principle of the invention is: the circular support that detachably becomes two semicircles, the 16PC26 main frame of needs upset is installed in roll-over table circular support inside, drive circular support by variable speed drive and do rotation at the roll-over table base, drive 16PC26 main frame rotation with this, reaching the 16PC26 main frame needs the purpose of overturning after installing bent axle.
In rotary course; consider that 16PC26 main frame center of gravity and circular support center may not be all the time on lines; in order to prevent that the utility model is under the situation of outage; gravitate; the situation that rotation voluntarily takes place takes place; the utility model also is equipped with a cover can carry out self-locking under powering-off state the device that cuts off self-lock, and is convenient to carrying out smoothly of assembly work, protects platform staff's safety simultaneously.
Compared with prior art, technique effect of the present utility model is conveniently the 16PC26 host crankshaft to be overturn, so that the installation of follow-up parts.
Description of drawings
Fig. 1 is the front view that the utility model is used for the roll-over table of medium seed diesel engine host crankshaft.
Fig. 2 is the side view that the utility model is used for the roll-over table of medium seed diesel engine host crankshaft.
Fig. 3 is the structural representation of main frame turnover bracket in the utility model.
Fig. 4 is the structural representation of variable speed drive and output shaft in the utility model.
Fig. 5 is the structural representation of outage self-locking device in the utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing, but should not limit protection domain of the present utility model with this.
See also Fig. 1-3 figure, Fig. 1 is the front view that the utility model is used for the roll-over table of medium seed diesel engine host crankshaft, Fig. 2 is the side view that the utility model is used for the roll-over table of medium seed diesel engine host crankshaft, Fig. 3 is the structural representation of main frame turnover bracket in the utility model, as shown in the figure, a kind of roll-over table for the medium seed diesel engine host crankshaft comprises main frame turnover bracket 1, variable speed drive 2 and output shaft 3.Described main frame turnover bracket 1 comprises roll-over table base 1-7, two the first half circular support 1-1 and two the latter half circular support 1-3, described two the first half circular support 1-1 and two the latter half circular support 1-3 connect into two circular supports by connecting bolt 1-3 respectively, and be separately fixed at the two ends of roll-over table base 1-7, the two ends of roll-over table base 1-7 are respectively equipped with a plurality of roller 1-5 and a travelling gear 1-6, and described the first half circular support 1-1 inner periphery is provided with main frame locking and supports 1-2; Be connected with many crossbeam 1-8 between described two circular supports, also be provided with supporting traverse 1-9 on the described roll-over table base 1-7.The 16PC26 main frame is supported and fixed on circular support inside by bolt and two lockings, travelling gear engagement on gear ring on the circular support and the roll-over table base, driving circular support by travelling gear rotates at the roll-over table base, on the roll-over table base four rolling is arranged, mainly play a supporting role and bear the gross weight of circular support and main frame.
Fig. 4 is the structural representation of variable speed drive and output shaft in the utility model, as shown in the figure, variable speed drive 2 comprises three phase electric machine 2-1, cut off self-lock device 2-2 and the change gear box 2-3 that connects successively, and this change gear box 2-3 is connected with two travelling gear 1-6 respectively through described output shaft.Three phase electric machine provides the power of rotation by converting electric energy to kinetic energy for 16PC26 host crankshaft roll-over table.Change gear box passes the power that changes low rotation speed large torque into by gear engagement with the power of the low moment of torsion of high rotating speed of three phase electric machine output and exports to 16PC26 host crankshaft roll-over table.
Fig. 5 is the structural representation of outage self-locking device in the utility model, as shown in the figure, this self-locking device comprises adjusting nut 221, screw rod 222, spring 223, scotch 224, brake disc 225, motor output shaft 226, electromagnet coil 227 and the iron core 228 for the degree of tightness of regulating spring; Adjust the position of adjusting nut 221 on screw rod 222 and can compress (or loosening) spring 223, reach and regulate the strength that scotch 224 is held brake disc 225 tightly; Brake disc 225 is fixed on motor output shaft 226 and rotates with axle; Iron core 228 is fixed on the body just as the lever fulcrum, and the centre links to each other with screw rod 222, and during electromagnet coil 227 energisings, pulling iron core 228 drives screw rod 222 then and unclamps adjusting scotch 224.The device operation principle that cuts off self-lock is: work as power on circuitry, during the three phase electric machine running, electromagnet coil acts on the screw rod, and this moment, scotch was released, and 16PC26 host crankshaft roll-over table drives rotation by three phase electric machine.When circuit disconnected, the electromagnet coil effect was unclamped, and screw rod only is subjected to the reciprocal active force of spring, makes scotch hold motor output shaft tightly, prevented that circular support from rotating under the gravity effect.On the structure, after this device that cuts off self-lock is arranged in three phase electric machine output, position before the change gear box input, so only need less resistance just can prevent the rotation of circular support, simultaneously scotch is by the parallel power transmission shaft both sides that is installed in, spring is arranged in the middle of two scotch connecting rods, and this structure itself just has latching characteristics preferably after receiving external force, so can satisfy the needs of 16PC26 host crankshaft roll-over table self-locking under powering-off state fully.
Finish in the frame cleaning, crankshaft checking, a series of activities such as base bearing pump hole are finished, bent axle falls into properly installed main beating cap in the frame, this moment, whole frame was in the state that turns upside down, when being installed afterwards, component such as cylinder sleeve frame integral body need be turned, because 16PC26 machine itself is heavier, so need utilize this turning tool to finish the process of frame upset.
The concrete operations step of the utility model 16PC26 host crankshaft roll-over table is as follows:
At first need the latter half circular support is hung out, according to appropriate the latter half circular support is connected by bolt with the main frame lower plane in the position of 16PC26 main frame center of gravity, by driving the 16PC26 main frame is hung in 16PC26 host crankshaft roll-over table together with the latter half circular support afterwards.
The first half circular support and the latter half circular support are coupled together, the gear ring of properly installed transmission, rotating main frame locking afterwards supports, the 16PC26 main frame is locked at circular support inside firmly, prevent in switching process, owing to relative motion occurs between gravity effect frame and circular support.
At last, the frame of upset being finished by driving is fallen into general assembly platform position and is carried out next step assembly technology.
Claims (5)
1. a roll-over table that is used for the medium seed diesel engine host crankshaft is characterized in that, comprises main frame turnover bracket (1), variable speed drive (2) and output shaft (3):
Described main frame turnover bracket (1) comprises roll-over table base (1-7), two the first half circular supports (1-1) and two the latter half circular supports (1-3), described two the first half circular supports (1-1) and two the latter half circular supports (1-3) connect into two circular supports by connecting bolt (1-3) respectively, and be separately fixed at the two ends of roll-over table base (1-7), the two ends of roll-over table base (1-7) are respectively equipped with a plurality of rollers (1-5) and a travelling gear (1-6), and described the first half circular support (1-1) inner periphery is provided with main frame locking and supports (1-2);
Described variable speed drive (2) comprises three phase electric machine (2-1), the device that cuts off self-lock (2-2) and the change gear box (2-3) that connects successively, and this change gear box (2-3) is connected with two travelling gears (1-6) respectively through described output shaft.
2. the roll-over table for the medium seed diesel engine host crankshaft according to claim 1, it is characterized in that the described device that cuts off self-lock (2-2) comprises adjusting nut (221), screw rod (222), spring (223), scotch (224), brake disc (225), motor output shaft (226), electromagnet coil (227) and iron core (228); Brake disc (225) is fixed on the motor output shaft (226), and rotates with motor output shaft; Iron core (228) links to each other with screw rod (222), and during electromagnet coil (227) energising, pulling iron core (228) drives screw rod (222) then and unclamps adjusting scotch (224).
3. the roll-over table for the medium seed diesel engine host crankshaft according to claim 1 and 2 is characterized in that, is connected with many crossbeams (1-8) between described two circular supports.
4. the roll-over table for the medium seed diesel engine host crankshaft according to claim 1 and 2 is characterized in that, also is provided with supporting traverse (1-9) on the described roll-over table base (1-7).
5. the roll-over table for the medium seed diesel engine host crankshaft according to claim 1 and 2 is characterized in that, described medium seed diesel engine host crankshaft is the 16PC26 host crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731068 CN203125111U (en) | 2012-12-27 | 2012-12-27 | Roll-over table used for crankshaft of main engine of medium-speed diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731068 CN203125111U (en) | 2012-12-27 | 2012-12-27 | Roll-over table used for crankshaft of main engine of medium-speed diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203125111U true CN203125111U (en) | 2013-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220731068 Expired - Fee Related CN203125111U (en) | 2012-12-27 | 2012-12-27 | Roll-over table used for crankshaft of main engine of medium-speed diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203125111U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081659A (en) * | 2015-08-19 | 2015-11-25 | 合肥永升机械有限公司 | Roller type welding positioner |
| CN105479413A (en) * | 2016-01-26 | 2016-04-13 | 青岛力鼎自动化设备有限公司 | Quick clamping and manual turning inspection machine for engine cylinder blocks |
| CN107971981A (en) * | 2017-12-13 | 2018-05-01 | 大连四达高技术发展有限公司 | Workpiece axial rotating device |
| CN110480591A (en) * | 2018-11-22 | 2019-11-22 | 湖北江山重工有限责任公司 | A kind of automatic rolling device applied on chassis |
-
2012
- 2012-12-27 CN CN 201220731068 patent/CN203125111U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081659A (en) * | 2015-08-19 | 2015-11-25 | 合肥永升机械有限公司 | Roller type welding positioner |
| CN105479413A (en) * | 2016-01-26 | 2016-04-13 | 青岛力鼎自动化设备有限公司 | Quick clamping and manual turning inspection machine for engine cylinder blocks |
| CN107971981A (en) * | 2017-12-13 | 2018-05-01 | 大连四达高技术发展有限公司 | Workpiece axial rotating device |
| CN110480591A (en) * | 2018-11-22 | 2019-11-22 | 湖北江山重工有限责任公司 | A kind of automatic rolling device applied on chassis |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20201227 |