CN214248076U - Self-clutch auxiliary starting device of generator set - Google Patents

Abstract

The utility model provides a pair of generating set is from separation and reunion auxiliary starting device. A generating set is from supplementary starting drive of separation and reunion includes clutch seat, copper sheathing, slider, spring and driving shaft cover, clutch seat, the circular recess has been seted up in the clutch seat, and the circular recess inner wall has seted up a plurality of rectangle draw-in grooves, the direction mounting groove has been seted up to the circular recess diapire, install the copper sheathing in the clutch seat, and the mounting groove rotates with the copper sheathing and sets up, the copper sheathing outside is rotated and is connected with a plurality of sliders, and the slider is located clutch seat, the lateral wall fixed mounting of slider has the draw-in groove piece, the fixed slot has been seted up to the inside wall of slider, and is a plurality of through spring elastic connection between the slider. The utility model provides a pair of generating set is from separation and reunion auxiliary starting device has and makes engine axis of rotation and generator rotor separation, has effectively solved the big problem of multipole generating set starting resistance, reduces the advantage to the requirement of unit starting power and engine.

Description

Self-clutch auxiliary starting device of generator set

Technical Field

The utility model relates to a from separation and reunion auxiliary starting device field especially relates to a generating set is from separation and reunion auxiliary starting device.

Background

The generator set consists of an engine and a generator, wherein a rotating shaft of the engine is connected with a rotor of the generator, the engine is a machine for converting chemical energy into mechanical energy, the conversion process is actually a working cycle process, namely, the process is that fuel in a cylinder is combusted to generate kinetic energy to drive a piston in the cylinder of the engine to reciprocate, so that a connecting rod connected with the piston and a crank connected with the connecting rod are driven to do reciprocating circular motion around the center of a crankshaft to output power, a stator and the rotor of the generator are connected and assembled by a bearing and an end cover, the rotor can rotate in the stator to do motion of cutting magnetic lines of force, so that induced potential is generated, the induced potential is led out through a connecting terminal and is connected in a loop to generate current.

For a generator set which is arranged by adopting a multi-magnetic pole structure, the magnetic steel of the generator is strong in magnetism, and the switching frequency of the positive pole and the negative pole is high during working, so that the starting resistance of an engine in the generator set is larger than that of a common generator set during starting, the requirement on a starting power supply of the generator set is high, the starting difficulty is higher particularly when the generator set is used in a cold area, in order to offset the relatively large resistance during starting of the engine, the generator set on the market generally adopts the mode that the starting power supply is increased so as to provide larger starting potential energy for solving, and the requirement on the configuration of the power supply and the engine is greatly improved.

Therefore, a new self-clutch auxiliary starting device for a generator set is needed to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a generating set is from separation and reunion auxiliary starting device.

The utility model provides a pair of generating set is from separation and reunion auxiliary starting device includes: clutch seat, the circular recess has been seted up in the clutch seat, and the circular recess inner wall has seted up a plurality of rectangle draw-in grooves, the direction mounting groove has been seted up to the circular recess diapire, install the copper sheathing in the clutch seat, and the mounting groove rotates with the copper sheathing and sets up, the copper sheathing outside rotates and is connected with a plurality of sliders, and the slider is located the clutch seat, the lateral wall fixed mounting of slider has the draw-in groove piece, the fixed slot has been seted up to the inside wall of slider, and is a plurality of through spring elastic connection between the slider, it is connected with the transmission axle sleeve to rotate on the clutch seat, and the transmission axle sleeve includes circle seat, circle cover and rectangular block, circle cover fixed mounting is on the circle seat, and is a plurality of rectangular block fixed mounting is in circle cover lateral wall, the circle cover is inserted and is located in the copper sheathing, and circle cover rotates to set up with the copper sheathing and set up

Preferably, a circular groove is formed in the clutch seat, a plurality of rectangular clamping grooves are formed in the inner wall of the circular groove, and lubricating oil is filled between the outer side wall of the copper sleeve and the mounting groove.

Preferably, the sliding block is an arc-shaped block, and the section of the clamping groove block is in a right-angle trapezoid shape.

Preferably, the number of the sliding blocks is the same as that of the rectangular blocks, and the rectangular blocks are inserted into fixing grooves formed in the sliding blocks.

Preferably, the number of the sliding blocks is the same as that of the rectangular blocks, and the rectangular blocks are inserted into fixing grooves formed in the sliding blocks.

Preferably, the number of the rectangular card slots is greater than or equal to the number of the card slot blocks.

Preferably, the copper sheathing section is the annular form, and the copper sheathing inner wall rotates with the lateral wall of driving sleeve to be connected, and the lateral wall of copper sheathing rotates with the inner wall of mounting groove to be connected.

Preferably, the elastic force of the spring and the weight of the sliding blocks depend on the clutch rotating speed of the clutch, and the number of the springs is the same as that of the sliding blocks.

Preferably, the groove depth of the fixing groove is far greater than the distance from the top of the rectangular block to the inner wall of the circular groove, and the length of the rectangular block is equal to the groove depth of the fixing groove.

Compared with the prior art, the utility model provides a pair of generating set self-engaging & disengaging auxiliary starting device has following beneficial effect:

1. the utility model provides a generating set is from separation and reunion auxiliary starting device, the slider tightens up under the pulling force effect of spring when the engine does not start, and the separation is realized with the clutch seat to the slider to make engine axis of rotation and generator rotor separation, thereby effectively solved the big problem of multipole generating set starting resistance, reduced the requirement to the unit starting power supply, enlarged the selection range of engine.

2. The utility model provides a generating set is from supplementary starting drive of separation and reunion, through the weight that changes spring tension size and slider, adjust the separation and reunion rotational speed of clutch, according to actual layout space size, transmission moment of torsion size, can adjust slider quantity and rectangular block intensity, it is rotatory to reach the driving sleeve and drive the slider to make the supplementary starting drive of separation and reunion have extensive suitability.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a self-clutching auxiliary starting device for a generator set provided by the present invention;

FIG. 2 is a schematic structural diagram of the auxiliary starting device shown in FIG. 1 when the auxiliary starting device is not started;

fig. 3 is a schematic structural view of the auxiliary starting device shown in fig. 1 when the auxiliary starting device rotates.

Reference numbers in the figures: 1. a clutch seat; 11. a circular groove; 12. a rectangular clamping groove; 13. mounting grooves; 2. a copper sleeve; 3. a slider; 31. a slot clamping block; 32. fixing grooves; 4. a spring; 5. A driving shaft sleeve; 51. a round base; 52. a round sleeve; 53. a rectangular block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a self-clutching auxiliary starting device for a generator set according to the present invention; FIG. 2 is a schematic structural diagram of the auxiliary starting device shown in FIG. 1 when the auxiliary starting device is not started; fig. 3 is a schematic structural view of the auxiliary starting device shown in fig. 1 when the auxiliary starting device rotates. The method comprises the following steps: the clutch comprises a clutch seat 1, a copper sleeve 2, a sliding block 3, a spring 4 and a transmission shaft sleeve 5.

In the specific implementation process, as shown in fig. 1, 2 and 3, a copper sleeve 2 is rotatably connected in a clutch seat 1, a plurality of sliding blocks 3 are rotatably connected to the outer side of the copper sleeve 2, the sliding blocks 3 are located in the clutch seat 1, the sliding blocks 3 are elastically connected through springs 4, a transmission shaft sleeve 5 is rotatably connected to the clutch seat 1, a circular groove 11 is formed in the clutch seat 1, a plurality of rectangular clamping grooves 12 are formed in the inner wall of the circular groove 11, a guide mounting groove 13 is formed in the bottom wall of the circular groove 11, the transmission shaft sleeve 5 is rotatably arranged on the copper sleeve 2 through the mounting groove 13 and comprises a circular seat 51, a circular sleeve 52 and a rectangular block 53, the circular sleeve 52 is fixedly arranged on the circular seat 51, the rectangular blocks 53 are fixedly arranged on the outer side wall of the circular sleeve 52, the circular sleeve 52 is inserted in the copper sleeve 2, the circular sleeve 52 is rotatably arranged with the copper sleeve 2, the sliding blocks 3 are arc-shaped blocks, and the clamping groove blocks 31 are fixedly arranged on the arc-shaped outer side wall of the sliding blocks 3, the inner side wall of the sliding block 3 is provided with a fixing groove 32.

It should be noted that: the self-clutch auxiliary starting device of the generator set is used as a clutch transmission device between an engine and a generator, a clutch seat 1 is directly arranged at the rotor end of the generator, a transmission shaft sleeve 5 is directly arranged at the output end of the generator, when the generator set is static, a sliding block 3 is tightened on a middle transmission shaft sleeve 5 under the action of the tension of a spring 4, a fixing groove 32 of the sliding block 3 is sleeved on a rectangular block 53 of the transmission shaft sleeve 5, at the moment, a clamping groove block 31 of the sliding block 3 is far away from a rectangular clamping groove 12 of the clutch seat 1, the transmission shaft of the engine and the rotor of the generator are in a separation state, during the initial starting period of the engine, the output shaft of the engine drives the transmission shaft sleeve 5 to rotate, as the fixing groove 32 of the sliding block 3 is sleeved on the rectangular block 53 of the transmission shaft sleeve 5, the sliding block 3 rotates along with the transmission shaft sleeve 5, the rotation centrifugal force of the output shaft is smaller because the engine is just started, the sliding block 3 can not offset the tension of the spring 4, at the moment, the driving shaft sleeve 5, the sliding block 3 and the spring 4 rotate together, and the clutch seat 1 directly arranged on the generator does not rotate, so that the rotor of the generator is separated from the transmission shaft of the engine to be started, the problem of large starting resistance of the multi-magnetic-pole generator set is effectively solved, and the requirement on the starting potential of the engine is reduced.

It should also be noted that: after the engine is started, the rotating speed is continuously increased, when the set clutch rotating speed is reached, the centrifugal force is larger than the tensile force of the spring 4, the sliding block 3 slides to the periphery along the rectangular block 53 on the transmission shaft sleeve 5 under the action of the centrifugal force until the clamping groove block 31 on the sliding block 3 is meshed with the rectangular clamping groove 12 on the clutch seat 1, as shown in fig. 3, the engine drives the clutch seat 1 to rotate through the transmission shaft sleeve 5, the sliding block 3 and the spring 4 at the moment, and the clutch seat works in the state, so that the problem of large starting resistance of the multi-magnetic pole generator set is effectively solved, the requirement on a set starting power supply is lowered, and the selection range of the engine is wider.

When the generator set is stopped, the rotating speed of an output shaft of the engine is gradually reduced, and after the rotating speed of the output shaft of the engine reaches the separation rotating speed of the clutch, the sliding block 3 is tightened under the action of the tensile force of the spring 4, the sliding block 3 is separated from the clutch seat 1, and the state shown in the figure 2 is recovered.

Lubricating oil is filled between the outer side wall of the copper sleeve 2 and the mounting groove 13.

It should be noted that: the viscosity of lubricating oil is generally selected and used between 0.12 to 0.2cm/s, and the mode of adopting oil lubrication lubricates, is favorable to assisting copper sheathing 2 in the internal rotation of mounting groove 13, is favorable to making to reduce friction between copper sheathing 2 and the mounting groove 13, and the heat that produces between copper sheathing 2 and the mounting groove 13 is taken away in the vaporization of lubricating oil simultaneously, reaches fine cooling, cooling effect, prevents the corrosion of mounting groove 13 and copper sheathing 2 again.

Referring to fig. 2 and 3, the sliding block 3 is an arc-shaped block, and the slot block 31 on the sliding block 3 is in a trapezoid shape.

It should be noted that: the draw-in groove piece 31 is right trapezoid shape, and the right-angle side of draw-in groove piece 31 is the same with the engine rotation direction, when engine output shaft speed reduces, the right-angle side of draw-in groove piece 31 supports in rectangle draw-in groove 12, thereby the draw-in groove piece 31 continues to take clutch seat 1 to rotate, along with speed is lower and lower, and clutch seat 1 is still high-speed rotatory under the inertia of generator this moment, thereby the inside wall of rectangle draw-in groove 12 supports on the hypotenuse of draw-in groove piece 31, along with the slow reduction of slider rotational speed, slider 3 tightens up on middle transmission shaft sleeve 5 under the pulling force effect of spring 4, thereby be convenient for draw-in groove piece 31 to leave rectangle draw-in groove 12.

Referring to fig. 2, the number of the sliding blocks 3 is the same as that of the rectangular blocks 53, and the rectangular blocks 53 are inserted into the fixing grooves 32 formed in the sliding blocks 3.

It should be noted that: rectangular block 53 and fixed slot 32 meshing setting to when making driving sleeve 5 rotate, slider 3 rotates along with driving sleeve 5, and when driving sleeve 5 reached the separation and reunion rotational speed that sets up, rectangular block 53 provided the guide effect, made slider 3's fixed slot 32 radially slide along rectangular block 53.

Referring to fig. 2, the number of rectangular card slots 12 is greater than or equal to the number of card slot blocks 31.

It should be noted that: when the quantity of rectangle draw-in groove 12 is less than the quantity of draw-in groove piece 31, 3 lateral expansion of slider, because 3 draw-in groove pieces 31 of slider do not have sufficient rectangle draw-in groove 12 to block, when 1 rotation of drive clutch seat is taken to slider 3, produce the phenomenon of skidding easily, when the quantity of rectangle draw-in groove 12 is equal with the quantity of draw-in groove piece 31, draw-in groove piece 31 could all block into in the rectangle draw-in groove 12 to draw-in groove piece 31 and the 12 perfect meshing of rectangle draw-in groove, the utility model discloses a quantity of rectangle draw-in groove 12 sets up to eight, and draw-in groove piece 31 quantity sets up to four, and the 12 quantity of rectangle draw-in groove is equivalent to the twice of draw-in groove piece 31 quantity to make draw-in groove piece 31 be convenient for the card to go into rectangle draw-in groove 12.

Wherein, the section of the copper bush 2 is annular, the inner wall of the copper bush 2 is rotatably connected with the outer side wall of the transmission shaft sleeve 5, and the outer side wall of the copper bush 2 is rotatably connected with the inner wall of the mounting groove 31.

It should be noted that: the copper bush 2 is set to be in a ring shape, so that the rotation friction between the copper bush 2 and the mounting groove 31 is reduced, and the copper bush 2 can rotate on the inner wall of the mounting groove 31 conveniently.

The elastic force of the spring 4 and the weight of the sliding block 3 depend on the clutch rotating speed of the clutch, the number of the springs 4 is the same as that of the sliding blocks 3, and the sliding blocks 3 are connected in a ring shape through the springs 4.

It should be noted that: one end of the spring 4 is connected with the side wall of the sliding block 3, the other end of the spring 4 is connected with the side wall of the sliding block 3 adjacent to the sliding block 3, the spring 4 pulls the sliding block 3 to move towards the driving shaft sleeve 5, and the elastic force of the spring 4 plays a role in tightening the sliding block 3, so that the driving shaft sleeve 5 is separated from the clutch seat 1.

It should also be noted that: in actual use, the clutch structure is adjusted according to requirements:

the clutch rotating speed of the clutch is adjusted by changing the tension of the spring 4 and the weight of the sliding block 3, the quantity of the sliding blocks 3 and the strength of the rectangular blocks 53 can be adjusted according to the actual arrangement space size and the transmission torque, so that the transmission shaft sleeve 5 drives the sliding blocks 3 to rotate, and the self-clutch auxiliary starting device of the generator set is more widely applicable.

The depth of the fixing groove 32 is far greater than the distance from the top of the rectangular block 53 to the inner wall of the circular groove 11, and the length of the rectangular block 53 is equal to the depth of the fixing groove 32.

It should be noted that: the fixed slot 32 is sleeved on the rectangular block 53, when the depth of the fixed slot 32 is smaller than the distance from the top of the rectangular block 53 to the circular groove 11, the slider moves outwards along the guide direction of the rectangular block 53, when the slider 3 contacts the inner wall of the circular groove 11, the fixed slot 32 is separated from the rectangular block 53, the slider 3 cannot return along the original direction, when the depth of the fixed slot 32 is equal to the distance from the rectangular block 53 to the inner wall of the circular groove 11, when the slider 3 contacts the inner wall of the circular groove 11, the fixed slot 32 just touches the top of the rectangular block 53, the fixed slot 32 is subjected to repeated reciprocating motion, the fixed slot 32 is far greater than the distance from the rectangular block 53 to the inner wall of the circular groove 11, no matter how to move, the slider 3 cannot be separated from the rectangular block 53, thereby improving the use safety of the device and prolonging the service life of the device.

The utility model provides a pair of generating set is from separation and reunion auxiliary starting device's theory of operation as follows:

during the initial period of starting the engine, the output shaft of the engine drives the transmission shaft sleeve 5 to rotate, because the fixed groove 32 of the sliding block 3 is sleeved on the rectangular block 53 of the transmission shaft sleeve 5, the sliding block 3 rotates along with the transmission shaft sleeve 5, because the centrifugal force generated by the rotation of the output shaft is small when the engine is just started, the pulling force of the spring 4 cannot be counteracted to drive the sliding block 3 to slide out, at the moment, the transmission shaft sleeve 5, the sliding block 3 and the spring 4 rotate together, but the clutch seat 1 directly arranged on the generator does not rotate, thereby separating the rotor of the generator from the transmission shaft of the engine, effectively solving the problem that the starting resistance of the multi-magnetic pole generator set is large, after the engine is started, the rotating speed rises continuously, when the set clutch rotating speed is reached, the sliding block 3 slides to the periphery along the rectangular block 53 on the transmission shaft sleeve 5 in the radial direction under the action of the centrifugal force until the slot block 31 on the sliding block 3 is meshed with the rectangular slot 12 on the clutch seat 1, as shown in fig. 3, at this time, the engine drives the clutch seat 1 to rotate through the driving shaft sleeve 5, the sliding block 3 and the spring 4, and keeps working in this state, when the generator set stops, the rotating speed of the output shaft of the engine gradually decreases, after the rotating speed of the clutch reaches the separation rotating speed of the clutch, the sliding block 3 is tightened under the tensile force of the spring 4, the sliding block 3 is separated from the clutch seat 1, and the state shown in fig. 2 is recovered.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (8)

1. A self-clutch auxiliary starting device of a generator set is characterized by comprising:

clutch seat (1), circular recess (11) have been seted up in clutch seat (1), and a plurality of rectangle draw-in grooves (12) have been seted up to circular recess (11) inner wall, mounting groove (13) have been seted up to circular recess (11) diapire, install copper sheathing (2) in clutch seat (1), and mounting groove (13) rotate with copper sheathing (2) and set up, the copper sheathing (2) outside rotates and is connected with driving shaft sleeve (5), driving shaft sleeve (5) outside rotates and is connected with a plurality of slider (3), and slider (3) are located clutch seat (1), the lateral wall fixed mounting of slider (3) has a plurality of draw-in groove pieces (31), fixed slot (32) have been seted up to the inside wall of slider (3), and is a plurality of pass through spring (4) elastic connection between slider (3), driving shaft sleeve (5) are including circle seat (51), circle cover (52) and rectangular block (53), the round sleeve (52) is fixedly arranged on the round base (51), the rectangular blocks (53) are fixedly arranged on the outer side wall of the round sleeve (52), the round sleeve (52) is inserted into the copper sleeve (2), and the round sleeve (52) and the copper sleeve (2) are rotatably arranged.

2. The self-clutch auxiliary starting device of the generator set according to claim 1, characterized in that lubricating oil is filled between the outer side wall of the copper sleeve (2) and the mounting groove (13).

3. The self-clutching auxiliary starting device of a generator set according to claim 1, characterized in that the sliding block (3) is an arc-shaped block, and the cross section of the clamping groove block (31) is in a right-angled ladder shape.

4. The self-clutching auxiliary starting device of the generator set according to claim 1, characterized in that the number of the sliding blocks (3) and the number of the rectangular blocks (53) are the same, and the rectangular blocks (53) are inserted into fixing grooves (32) formed in the sliding blocks (3).

5. The self-clutching auxiliary starting device of a generator set according to claim 1, characterized in that the number of the rectangular slots (12) is greater than or equal to the number of the slot blocks (31).

6. The self-clutch auxiliary starting device of the generator set according to claim 1, wherein the section of the copper sleeve (2) is annular, the inner wall of the copper sleeve (2) is rotatably connected with the outer side wall of the transmission shaft sleeve (5), and the outer side wall of the copper sleeve (2) is rotatably connected with the inner wall of the mounting groove (13).

7. A self-clutching auxiliary starting device for a generator set according to claim 4, characterized in that the elastic force of the spring (4) and the weight of the sliding block (3) depend on the clutching rotating speed of the clutch, the number of the springs (4) is the same as that of the sliding blocks (3), and the sliding blocks (3) are connected into a ring shape through the springs (4).

8. A self-clutching auxiliary starting device for a generator set according to claim 4, characterized in that the groove depth of the fixing groove (32) is much larger than the distance from the top of the rectangular block (53) to the inner wall of the circular groove (11), and the length of the rectangular block (53) is equal to the groove depth of the fixing groove (32).

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