CN212202253U - Electro-hydraulic speed regulator signal conversion mechanism - Google Patents
Electro-hydraulic speed regulator signal conversion mechanism Download PDFInfo
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- CN212202253U CN212202253U CN202020952800.4U CN202020952800U CN212202253U CN 212202253 U CN212202253 U CN 212202253U CN 202020952800 U CN202020952800 U CN 202020952800U CN 212202253 U CN212202253 U CN 212202253U
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Abstract
The utility model relates to an electricity liquid speed regulator signal conversion mechanism, its characterized in that: the ball joint connecting device comprises a base, a vertical rotating shaft, a pin shaft, a connecting seat, a ball head connecting rod and a guide plate, wherein the upper part of the vertical rotating shaft is in matched connection with the base through a bearing, the pin shaft is fixedly connected with the lower end part of the vertical rotating shaft and forms a certain angle with the vertical rotating shaft, the connecting seat is in clearance fit with the pin shaft, one end of the ball head connecting rod is fixedly connected with the connecting seat, the guide plate is fixedly connected to the base, a guide groove is longitudinally arranged on the guide plate, and the other end of; the electro-hydraulic speed regulator signal conversion mechanism further comprises a torsion spring, the torsion spring is sleeved on the lower portion of the vertical rotating shaft, one end of the torsion spring is connected with the vertical rotating shaft, and the other end of the torsion spring is connected with the base. The speed regulator can improve the working reliability of the speed regulator, and has the advantages of compact structure, high precision and convenient installation.
Description
Technical Field
The utility model relates to a diesel engine, concretely relates to electricity liquid speed regulator signal conversion mechanism.
Background
The speed regulator is a rotating speed control mechanism of the diesel engine; the condition of stable operation of the diesel engine at a certain rotating speed is that the output power must be balanced with the external load, and the change of the external load must cause the corresponding change of the rotating speed of the diesel engine. The output power of the diesel engine is directly related to the amount of fuel delivered into the cylinder by the fuel injection pump; if the oil supply quantity of the oil injection pump is kept unchanged, the rotating speed is increased when the external load is reduced; when the external load increases, the rotational speed decreases. The governor has the function of automatically increasing the oil supply amount of the oil injection pump when the rotating speed of the diesel engine is reduced; when the rotating speed is increased, the oil supply quantity of the oil injection pump is automatically reduced, so that the oil supply quantity of the oil injection pump is always adapted to the external load, and the stable operation of the diesel engine is ensured. The speed regulator of the diesel engine is divided into two forms of an electro-hydraulic speed regulator and a mechanical speed regulator, and the electro-hydraulic speed regulator has more excellent performance compared with the mechanical speed regulator, so that the application is more. In the speed regulation process of the electro-hydraulic speed regulator, a rotation signal needs to be converted into a linear signal, and the structure of the existing signal conversion mechanism is complex, so that the electro-hydraulic speed regulator needs to be improved.
Disclosure of Invention
The utility model aims at providing an electricity liquid speed regulator signal conversion mechanism, its operational reliability that can improve the speed regulator, and its compact structure, the precision is high, the installation of being convenient for.
An electricity liquid speed regulator signal conversion mechanism, its characterized in that: the ball joint connecting device comprises a base, a vertical rotating shaft, a pin shaft, a connecting seat, a ball head connecting rod and a guide plate, wherein the upper part of the vertical rotating shaft is in matched connection with the base through a bearing, the pin shaft is fixedly connected with the lower end part of the vertical rotating shaft and forms a certain angle with the vertical rotating shaft, the connecting seat is in clearance fit with the pin shaft, one end of the ball head connecting rod is fixedly connected with the connecting seat, the guide plate is fixedly connected to the base, a guide groove is longitudinally arranged on the guide plate, and the other end of; the electro-hydraulic speed regulator signal conversion mechanism further comprises a torsion spring, the torsion spring is sleeved on the lower portion of the vertical rotating shaft, one end of the torsion spring is connected with the vertical rotating shaft, and the other end of the torsion spring is connected with the base.
Furthermore, a vertical through hole is formed in the base, and the bearing is matched in the vertical through hole; the upper part of the vertical rotating shaft is matched with the inner ring of the bearing, the top of the vertical rotating shaft extends out of the top surface of the base, the lower part of the vertical rotating shaft extends out of the bottom surface of the base, the bottom surface of the vertical rotating shaft is an inclined surface, a connecting hole is formed in the inclined surface, and a certain included angle is formed between the axis of the connecting hole and the axis of the vertical rotating shaft; the pin shaft is in a step shape with a small upper part and a big lower part, and the upper end part of the pin shaft is fixedly connected with the connecting hole of the inclined plane of the vertical rotating shaft; the connecting seat is rectangular and is provided with a through hole along the direction of the central line, the connecting seat is matched with the upper part of the pin shaft through the through hole, and the top surface of the connecting seat corresponds to or is tightly attached to the bottom surface of the lower part of the vertical rotating shaft.
Furthermore, the vertical rotating shaft is in a step shape with a small upper part and a big lower part, and the upper part of the vertical rotating shaft is matched with an elastic retainer ring and a spring for limiting the bearing; the elastic retainer ring is tightly attached to the top surface of the bearing; the upper end of the spring is tightly attached to the bottom surface of the bearing, and the lower end of the spring is tightly attached to the step surface of the vertical rotating shaft.
Further, the inner wall of the vertical through hole of the base is provided with a circle of annular bosses; the two bearings are an upper bearing and a lower bearing respectively, the upper bearing is positioned above the boss in the vertical through hole, and the lower bearing is positioned below the boss in the vertical through hole; the elastic retainer ring is matched with the top of the vertical rotating shaft and is tightly attached to the top surface of the upper bearing, and the upper end of the spring is tightly attached to the bottom surface of the lower bearing.
The utility model discloses profitable technological effect:
because the electro-hydraulic governor signal conversion mechanism comprises a base, a vertical rotating shaft, the upper part of which is connected with the base in a matched manner through a bearing, a pin shaft which is fixedly connected with the lower end part of the vertical rotating shaft and forms a certain angle with the vertical rotating shaft, a connecting seat in clearance fit with the pin shaft, a ball head connecting rod, one end of which is fixedly connected with the connecting seat, a guide plate fixedly connected with the base, a guide groove is longitudinally arranged on the guide plate, the other end of the ball head connecting rod penetrates through the guide groove on the guide plate, the electro-hydraulic governor signal conversion mechanism also comprises a torsional spring, the lower part of the vertical rotating shaft is sleeved with the torsional spring, one end of the torsional spring is connected with the vertical rotating shaft, the other end of the torsional spring is connected with the base.
Drawings
Fig. 1 is one of the schematic structural diagrams of the present invention;
fig. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a third schematic structural diagram of the present invention;
FIG. 4 is a fourth schematic structural diagram of the present invention;
FIG. 5 is a schematic view of the structure of the vertical shaft;
FIG. 6 is a schematic structural view of a pin;
FIG. 7 is a schematic view of the connecting socket;
fig. 8 is a sectional view of the connection holder;
fig. 9 is a schematic structural view of the base.
In the figure: 1-a base, 2-a bearing, 3-a vertical rotating shaft, 4-a pin shaft, 5-a connecting seat, 6-a ball head connecting rod, 7-a guide plate, 8-a torsion spring, 9-a spring and 10-an elastic retainer ring;
11-vertical through holes, 12-bosses;
31-a connection hole;
51-via holes;
71-a guide groove;
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1-9, a signal conversion mechanism of an electro-hydraulic governor is characterized in that: the ball head connecting rod mechanism comprises a base 1, a vertical rotating shaft 3, a pin shaft 4, a connecting seat 5, a ball head connecting rod 6 and a guide plate 7, wherein the upper part of the vertical rotating shaft 3 is in fit connection with the base 1 through a bearing 2, the pin shaft 4 is fixedly connected with the lower end part of the vertical rotating shaft 3 and forms a certain angle with the vertical rotating shaft 3, the connecting seat 5 is in clearance fit with the pin shaft 4, one end of the ball head connecting rod 6 is fixedly connected with the connecting seat 5, the upper part of the guide plate 7 is fixedly connected with the base 1 through a screw, a guide groove 71 is longitudinally arranged on the guide plate; the electro-hydraulic speed regulator signal conversion mechanism further comprises a torsional spring 8, wherein the torsional spring 8 is sleeved on the lower portion of the vertical rotating shaft 3, one end of the torsional spring is connected with the vertical rotating shaft 3, and the other end of the torsional spring is connected with the base 1. When the top of the vertical rotating shaft 3 receives a rotating signal of the control motor, the vertical rotating shaft 3 rotates and drives the pin shaft 4 fixedly connected with the vertical rotating shaft to rotate; in the rotating process, the ball head connecting rod 6 is driven to move up and down in the guide groove 71 of the guide plate 7 through the change of the inclined angle of the vertical rotating shaft 3, so that the rotating motion is converted into linear motion, namely, a rotating signal input by a control motor is converted into a linear signal to be output. The control motor rotates forwards or backwards according to the change of the external load, and in the process, the torsional spring 8 is rotated to provide pretightening force and restoring force for the vertical rotating shaft 3. The speed regulator is simple and compact in structure, capable of improving the working reliability of the speed regulator and suitable for diesel engines with the rotating speed range of 500-1500 r/min.
A vertical through hole 11 is formed in the base 1, and the bearing 2 is matched in the vertical through hole 11; the upper part of the vertical rotating shaft 3 is matched with the inner ring of the bearing 2, the top part of the vertical rotating shaft extends out of the top surface of the base 1, the lower part of the vertical rotating shaft extends out of the bottom surface of the base 1, the bottom surface of the vertical rotating shaft 3 is an inclined surface, a connecting hole 31 is arranged on the inclined surface, and the axis of the connecting hole 31 and the axis of the vertical rotating shaft 3 form a certain included angle; the pin shaft 4 is in a step shape with a small upper part and a big lower part, and the upper end part of the pin shaft is fixedly connected with a connecting hole 31 of the inclined surface of the vertical rotating shaft 3; the connecting seat 5 is rectangular, a through hole 51 is formed in the connecting seat along the central line direction, the connecting seat 5 is matched with the upper portion of the pin shaft 4 through the through hole 51, and the top surface of the connecting seat 5 corresponds to or is tightly attached to the bottom surface of the lower portion of the vertical rotating shaft 3. The connecting seat 5 is limited by the step surface of the pin shaft 4 and the inclined surface of the vertical rotating shaft 3.
The vertical rotating shaft 3 is in a step shape with a small upper part and a big lower part, and the upper part of the vertical rotating shaft 3 is matched with an elastic retainer ring 10 and a spring 9 for limiting the bearing 2; the elastic retainer ring 10 is tightly attached to the top surface of the bearing 2; the upper end of the spring 9 is tightly attached to the bottom surface of the bearing 2, and the lower end of the spring is tightly attached to the step surface of the vertical rotating shaft 3. The elastic retainer ring 10 and the spring 9 can play a good axial limiting role in the bearing 2 and are convenient to install.
The inner wall of the vertical through hole 11 of the base 1 is provided with a ring-shaped boss 12; the number of the bearings 2 is two, the two bearings are an upper bearing and a lower bearing respectively, the upper bearing is positioned above the boss 12 in the vertical through hole 11, and the lower bearing is positioned below the boss 12 in the vertical through hole 11; the top of the vertical rotating shaft 3 is matched with an elastic retainer ring 10 for limiting the upper bearing, and the upper end of the spring 9 is tightly attached to the bottom surface of the lower bearing. The two bearings 2 can provide high-precision installation positions for the vertical rotating shaft 3, so that the vertical rotating shaft can be driven stably and accurately.
The utility model can realize the signal conversion of the electro-hydraulic speed regulator, and is a key mechanism for the electro-hydraulic speed regulator to be opened and closed; after reaching the governor adjustment target, the fixed position will be maintained; the structure is compact, the precision is high, and the installation is convenient; the installation precision is high, and the free stroke of bulb connecting rod 6 is little, can improve the operational reliability of speed regulator.
Claims (4)
1. The utility model provides an electro-hydraulic governor signal conversion mechanism which characterized in that: the ball head connecting rod mechanism comprises a base (1), a vertical rotating shaft (3) with the upper part matched and connected with the base (1) through a bearing (2), a pin shaft (4) fixedly connected with the lower end part of the vertical rotating shaft (3) and forming a certain angle with the vertical rotating shaft (3), a connecting seat (5) in clearance fit with the pin shaft (4), a ball head connecting rod (6) with one end fixedly connected with the connecting seat (5), and a guide plate (7) fixedly connected on the base (1), wherein a guide groove (71) is longitudinally arranged on the guide plate (7), and the other end of the ball head connecting rod (6) penetrates through the guide groove (71) on the guide plate (7); the electro-hydraulic speed regulator signal conversion mechanism further comprises a torsion spring (8), the lower portion of the vertical rotating shaft (3) is sleeved with the torsion spring (8), one end of the torsion spring is connected with the vertical rotating shaft (3), and the other end of the torsion spring is connected with the base (1).
2. The electro-hydraulic governor signal conversion mechanism of claim 1, wherein: a vertical through hole (11) is formed in the base (1), and the bearing (2) is matched in the vertical through hole (11); the upper part of the vertical rotating shaft (3) is matched with the inner ring of the bearing (2), the top part of the vertical rotating shaft extends out of the top surface of the base (1), the lower part of the vertical rotating shaft extends out of the bottom surface of the base (1), the bottom surface of the vertical rotating shaft (3) is an inclined surface, a connecting hole (31) is formed in the inclined surface, and the axis of the connecting hole (31) and the axis of the vertical rotating shaft (3) form a certain included angle; the pin shaft (4) is in a step shape with a small upper part and a big lower part, and the upper end part of the pin shaft is fixedly connected with a connecting hole (31) of the inclined surface of the vertical rotating shaft (3); the connecting seat (5) is rectangular, a through hole (51) is formed in the connecting seat along the direction of a central line, the connecting seat (5) is matched with the upper portion of the pin shaft (4) through the through hole (51), and the top surface of the connecting seat (5) corresponds to or is tightly attached to the bottom surface of the lower portion of the vertical rotating shaft (3).
3. The electro-hydraulic governor signal conversion mechanism of claim 1 or 2, wherein: the vertical rotating shaft (3) is in a step shape with a small upper part and a large lower part, and an elastic retainer ring (10) and a spring (9) for limiting the bearing (2) are matched at the upper part of the vertical rotating shaft (3); the elastic retainer ring (10) is tightly attached to the top surface of the bearing (2); the upper end of the spring (9) is tightly attached to the bottom surface of the bearing (2), and the lower end of the spring is tightly attached to the step surface of the vertical rotating shaft (3).
4. The electro-hydraulic governor signal conversion mechanism of claim 3, wherein: the inner wall of the vertical through hole (11) of the base (1) is provided with a ring-shaped boss (12); the two bearings (2) are respectively an upper bearing and a lower bearing, the upper bearing is positioned above the boss (12) in the vertical through hole (11), and the lower bearing is positioned below the boss (12) in the vertical through hole (11); the elastic retainer ring (10) is matched with the top of the vertical rotating shaft (3) and is tightly attached to the top surface of the upper bearing, and the upper end of the spring (9) is tightly attached to the bottom surface of the lower bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020952800.4U CN212202253U (en) | 2020-05-29 | 2020-05-29 | Electro-hydraulic speed regulator signal conversion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020952800.4U CN212202253U (en) | 2020-05-29 | 2020-05-29 | Electro-hydraulic speed regulator signal conversion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212202253U true CN212202253U (en) | 2020-12-22 |
Family
ID=73813025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020952800.4U Active CN212202253U (en) | 2020-05-29 | 2020-05-29 | Electro-hydraulic speed regulator signal conversion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212202253U (en) |
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2020
- 2020-05-29 CN CN202020952800.4U patent/CN212202253U/en active Active
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