CN201496148U

CN201496148U - Turning device

Info

Publication number: CN201496148U
Application number: CN2009201774235U
Authority: CN
Inventors: 张淑梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-29
Filing date: 2009-08-29
Publication date: 2010-06-02
Anticipated expiration: 2019-08-29

Abstract

The utility model discloses a turning device which comprises a gear part (3). A support frame (1) is fixed at the end of a motor gear ring (5); the gear part (3) is mounted on the support frame (1) through a guide rail (1a) and only can slide oppositely to the support frame (1) along the guide rail (1a), so that a turning gear (4) is engaged or disengaged with the motor gear ring (5); and a positioning device (2) is mounted on the support frame (1) to position the gear part (3). The utility model can achieve the quick engagement or disengagement between the turning gear (4) and the motor gear ring (5); and meanwhile, the turning device is fixed in a position adjacent to a crankshaft rotational angle pointer at the end of the motor gear ring (5) so as to conveniently and accurately observe a rotating angle of a crankshaft during the hand turning, thereby achieving convenient operation and easy adjustment and accurately rotating the crankshaft of the motor. The utility model is particularly suitable for a 190 series motor.

Description

Barring gear

Affiliated technical field

The present invention relates to the barring gear of a kind of mechanical actuation device, particularly a kind of motor.

Background technique

Motor will often carry out periodical repair during use or the matching property requirement is recovered in the back of fixing a breakdown, as valve clearance, valve timing, fuel feeding (igniting) advance angle, charge oil pressure etc. are detected or adjustment process in, bent axle is rotated, be commonly called as jiggering.At present, at home and abroad big-and-middle-sized diesel engine of other except that 190 Engine Series or gas engine all have barring gear, two kinds of structures are generally arranged, a kind of barring gear as the 16V165 diesel engine is that the geared parts with at least one gear is fixed on the diesel engine, rotate the jiggering gear that meshes with the diesel engine gear ring with the manual power wrench, thereby finish jiggering, deficiency is must pull down geared parts during without barring gear; Another kind of barring gear as the 12V240 diesel engine is made up of the jiggering gear that is fixed on the support on the diesel engine and can mesh with the gear ring of diesel engine, the jiggering gear is slidingly matched by its axle and support, manpower pulling gear moves along its axis and can make gear and engagement of diesel engine gear ring or disengagement, rotate the jiggering gear that meshes with the diesel engine gear ring with the manual power wrench, thereby finish jiggering, deficiency is that jiggering gear installation precision requires height.Basically adopt the special-purpose crowbar that to stir engine ring gear for its jiggering of 190 Engine Series, promptly directly prize gear ring with crowbar with manpower bent axle is rotated, both required great effort, operate inconvenience, performance accuracy is not good enough especially, parts such as easy damaged gear ring need 2 people to operate just at least and can finish jiggering.

Summary of the invention

In order to overcome the above-mentioned deficiency with the crowbar jiggering of existing 190 Engine Series, the technical problem to be solved in the present invention provides a kind of barring gear, it is installed in the gear ring end of motor, it can realize the quick engagement or the disengagement of jiggering gear and engine ring gear, and is easy to operate, be easy to adjust.

The technological scheme that the present invention solves its technical problem is: this barring gear comprises a geared parts, a support is fixed on the engine ring gear end, geared parts is rack-mount by at least one guide rail, geared parts slides along the relative support of guide rail and makes jiggering gear and engine ring gear engagement or throw off the rack-mount geared parts location that makes of positioning device.

Described positioning device is manual screw or pulls the locating stud parts.

As further improvement in the technical proposal, interlocking elements is installed on support, when jiggering gear and engine ring gear engagement, interlocking elements makes the starting drive of motor in the closed position, when jiggering gear and engine ring gear disengagement, interlocking elements makes the starting drive of motor be in the enable possition, and described interlocking elements is electric switch parts or air cock parts.

The present invention compares with prior art has following beneficial effect: because geared parts and support are installed by guide rail, geared parts can only slide along the relative support of guide rail and make jiggering gear and engine ring gear engagement or disengagement, and it can realize the quick engagement or the disengagement of jiggering gear and engine ring gear and be easy to adjusting; Because the gear number of teeth of this barring gear of engine ring gear gear ratio is many, thus during jiggering ratio of running torque directly to prize the moment of engine ring gear with crowbar little, laborsaving and be easy to realize accurate operation; Simultaneously this barring gear is fixed on the position of engine ring gear end near the crank angle pointer, can make things convenient for during jiggering and observe the angle that bent axle rotates exactly, thereby realize easy to operate, be easy to adjust; And the setting of interlocking elements more makes the present invention realize safety operation.

Description of drawings

Below in conjunction with accompanying drawing most preferred embodiment of the present invention is specified.

Fig. 1 is vertical part section structural drawing of embodiment 1, is in the joggleword position;

Fig. 2 is the sectional structure chart of embodiment 1 A-A position.

Fig. 3 is vertical part section structural drawing of embodiment 2, is in the joggleword position;

Fig. 4 is embodiment 1 or embodiment's 2 a use ratchet wrench schematic representation.

Among Fig. 1 to Fig. 4: 1 support, 1a guide rail, 2 positioning devices, 3 geared parts, 3a screw, 3b locating stud, 3c supporting lid, 3d gland, 4 jiggering gears, 5 engine ring gears, 6 driving gears, 6a footstalk, 7 interlocking elements, 8 baffle plates, 9 screws, 10 ratchet wrenches.

Embodiment

Embodiment 1: by Fig. 1 and Fig. 2 as can be known, the support 1 that is fixed on the motor is provided with at least one guide rail 1a, the length of guide rail 1a is greater than the length of geared parts 3, geared parts 3 can only slide along the relative support 1 of guide rail 1a, the setting of guide rail 1a should make the glide direction of geared parts 3 perpendicular to engine ring gear 5 axis, can make the force of sliding friction between geared parts 3 and the support 1 as far as possible little again, obviously two relative guide rail 1a are set on support 1 and can make this barring gear have higher rigidity.After manpower promotion geared parts 3 meshes jiggering gear 4 and engine ring gear 5, the positioning device 2 that use is installed on the support 1 is located geared parts 3, thereby guarantee that jiggering hour indicator skiving wheel 4 mesh all the time with engine ring gear 5, positioning device 2 manual screws or pull the locating stud parts.Described geared parts 3 is covered 3c and is combined by screw 3a and locating stud 3b by driving gear 6, jiggering gear 4, gland 3d, supporting, requirement of strength when the width of jiggering gear 4 should be able to guarantee jiggering, driving gear 6 and jiggering gear 4 are meshing with each other, cover the 3c supporting by gland 3d and supporting respectively and also can rotate flexibly, narrow as far as possible under the requirement of strength situation of the width of whole geared parts 3 when guaranteeing jiggering.Certainly at least one is set and positioning device 2 corresponding groove can make geared parts 3 can resist bigger jiggering active force on geared parts 3.Driving gear 6 is provided with a footstalk 6a that can be inserted in ratchet wrench 9, and certainly according to engine structure or ratchet wrench structure, footstalk 6a can be designed to stretch out gland 3d outside or flush with gland 3d.Gear 4 shown in Figure 1 is in the joggleword position with engine ring gear 5, ratchet wrench 10 is inserted in footstalk 6a can carries out the jiggering operation.

Interlocking elements 7 is installed on support 1, when jiggering gear 4 meshes with engine ring gear 5, interlocking elements 7 makes the starting drive of motor in the closed position, when jiggering gear 4 is thrown off with engine ring gear 5, interlocking elements 7 makes the starting drive of motor be in the enable possition, and described interlocking elements 7 is electric position limit switch parts.

Embodiment 2: in Fig. 3, support 1, positioning device 2, geared parts 3 is identical with embodiment 1 technological scheme essence, no longer narrate at this, institute's difference is the position and the type of interlocking elements 7, baffle plate 8 is fixed on the support 1 by screw 9, interlocking elements 7 is installed on the baffle plate 8, when jiggering gear 4 meshes with engine ring gear 5, interlocking elements 7 makes the starting drive of motor in the closed position, when jiggering gear 4 is thrown off with engine ring gear 5, interlocking elements 7 makes the starting drive of motor be in the enable possition, and described interlocking elements 7 is the air cock parts.

During work, push geared parts 3 to engine ring gear 5 with hand, make jiggering gear 4 and engine ring gear 5 correct engagement, with positioning device 2 geared parts 3 is located, then spanner (use ratchet wrench 10 efficient are higher) is inserted in the footstalk 6a of driving gear 6, thereby rotate driving gear 6 and drive engine ring gear 5 rotations, realize the jiggering purpose.After finishing the work, unclamp positioning device 2, jiggering gear 4 and engine ring gear 5 are thrown off, make geared parts 3 depress interlocking elements 7, with positioning device 2 geared parts 3 is fixed at last and gets final product with pulling moving gear parts 3.

It is driving gear 6 and jiggering gear 4 that geared parts 3 in the foregoing description 1 or 2 has two pitch wheels, turn to according to motor, physical dimension and installation requirement, one or more gears that are meshing with each other also can be set, the number of teeth of driving gear 6 wants the number of teeth of ratio engine gear ring 5 few, to reach laborsaving purpose, the number of teeth that driving gear 6 and jiggering gear 4 are set should make the barring gear volume rationally suitable.Guide rail 1a is arranged to linear motion guide, and its shape of cross section can be shallow chute type, also can be designed to forms such as V-type, dove-tail form, cylinder type.For making the present invention more safe and reliable; be provided with interlock protection mechanism; i.e. action by interlocking elements 7 makes the starting drive of motor be in unlatching or closed condition; interlocking elements 7 can be that electric notor starts or the gas motor starting is selected electric position limit switch parts or air cock parts for use according to motor, and interlocking elements 7 is connected with engine starting gear by suitable circuit or gas circuit.

According to basic principle of the present invention or notion, by different type of machines motor or installation dimension requirement, can form series product by deformation design, to satisfy of the requirement of different motors to barring gear, for example connect electric motor or pneumatic motor, easily be automated requirement in the footstalk 6a position of gear 6.In Fig. 4, represent to use ratchet wrench 10 operations, idle stroke operation is arranged, install worm and worm gear additional in footstalk 6a position and can make this barring gear more laborsaving, and can continuous rotating operation.Above embodiment's explanation only is preferred embodiment explanation of the present invention, and those skilled in the art make other equivalence according to the above description and replace or revise, and belong to the claim that the present invention defines.

Claims

1. barring gear, comprise geared parts (3), it is characterized in that: support (1) is fixed on engine ring gear (5) end, geared parts (3) is installed on the support (1) by at least one guide rail (1a), geared parts (3) slides along the relative support (1) of guide rail (1a) and makes jiggering gear (4) and engine ring gear (5) engagement or disengagement, and positioning device (2) is installed in geared parts (3) is located.

2. barring gear according to claim 1 is characterized in that: the cross section face of described guide rail (1a) is shaped as shallow chute type or linear motion guide.

3. barring gear according to claim 1 is characterized in that: described positioning device (2) is manual screw or pulls the locating stud parts.

4. according to each described barring gear of claim 1 to 3, it is characterized in that: go up at support (1) interlocking elements (7) is installed, when jiggering gear (4) meshes with engine ring gear (5), interlocking elements (7) makes the starting drive of motor in the closed position, when jiggering gear (4) was thrown off with engine ring gear (5), interlocking elements (7) made the starting drive of motor be in the enable possition.

5. barring gear according to claim 4, described interlocking elements (7) are electric position limit switch parts or air cock parts.