CN209959975U - Electric drive indicator valve of medium-large diesel engine - Google Patents
Electric drive indicator valve of medium-large diesel engine Download PDFInfo
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- CN209959975U CN209959975U CN201920388365.4U CN201920388365U CN209959975U CN 209959975 U CN209959975 U CN 209959975U CN 201920388365 U CN201920388365 U CN 201920388365U CN 209959975 U CN209959975 U CN 209959975U
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Abstract
The utility model discloses a medium-and-large-scale diesel engine electric drive shows merit valve, including showing merit valve main part, showing merit valve italic, showing merit valve gap, showing merit case, hand wheel and joint, the hand wheel includes hand wheel dish and hand wheel axle, the hand wheel dish includes hand wheel dish main part and hand wheel fixed column, the joint outer lane is equipped with the screw thread, hand wheel upper end center department is equipped with a circuit control box, be equipped with small-size motor and control circuit in the circuit control box, small-size motor includes motor shaft and motor body, control circuit includes speed regulator, attached cable and components and parts, and it is electric control, has improved work efficiency, guarantees the elasticity degree of hand wheel through control current, avoids the emergence of gas leakage phenomenon.
Description
Technical Field
The utility model relates to a diesel engine technical field, concretely relates to medium and large-scale diesel engine electric drive shows merit valve.
Background
The power indicating valve is a valve on a medium-sized large diesel engine, one valve is arranged in each cylinder, and is used for receiving a power indicator to measure the explosion pressure in the cylinder or drawing an explosion pressure curve to represent the single-cylinder work doing condition, and the power indicating valve is opened when the diesel engine starts to blow before so as to discharge impurities such as water, oil stain, carbon deposit and the like in the cylinder out of the cylinder through the power indicating valve, so that the load of each cylinder is kept uniform when the diesel engine starts, and the service life of the diesel engine is prolonged. When the diesel engine stops, the indicator valve is opened so that impurities such as water, oil stain, carbon deposit and the like in the cylinder are discharged out of the cylinder through the indicator valve before the crankshaft completely stops rotating, and the impurities are prevented from remaining in the cylinder to form cokes to influence the motion between the piston and the cylinder sleeve, and between the valve and the valve seat, so that the service life of parts of the diesel engine is influenced. The work indicator valve is turned on and closed manually at present, everyone feels the difference in hand and leads to the work indicator valve hand wheel to screw up the degree different, the frequent screwing up that hand strength is little leads to the diesel engine operation in-process work indicator valve to appear leaking gas the phenomenon, this valve hand wheel is being screwed up after hand strength is big, other personnel on duty need hard to twist off, it can not open and cause the serious consequence to twist during emergency, and most work indicator valve is under long-time operation, can produce not hard up phenomenon, leak gas takes place, influence the life-span of work indicator valve.
Disclosure of Invention
An object of the utility model is to provide a well large-scale diesel engine electric drive shows merit valve to solve the problem that proposes in the above-mentioned background art, it is electric control, has improved work efficiency, guarantees the elasticity degree of hand wheel through control current, avoids gas leakage phenomenon's emergence.
In order to achieve the above object, the utility model provides a following technical scheme: an electrically-driven power-indicating valve of a medium-large diesel engine comprises a power-indicating valve main body, a power-indicating valve inclined body, a power-indicating valve cover, a power-indicating valve core, a hand wheel and a public joint, wherein the power-indicating valve inclined body is installed and connected at the upper right end of the power-indicating valve main body, the power-indicating valve cover is installed and connected at the top end of the power-indicating valve inclined body, the power-indicating valve core is installed and connected inside the power-indicating valve inclined body, the public joint is installed and connected at the bottom end of the power-indicating valve main body, the hand wheel is installed and connected at the top end of the power-indicating valve core, an inner cavity which is communicated up and down is arranged in the power-indicating valve main body, the power-indicating valve inclined body is obliquely installed at the upper right end of the power-indicating valve main body, the power-indicating valve inclined body is an inclined circular tube, the hand wheel disc is installed and connected on a hand wheel shaft, the lower end of the hand wheel shaft is connected with the top end of the indicator valve core in a welded mode, the hand wheel disc comprises a hand wheel disc main body and hand wheel fixing columns, the hand wheel fixing columns are installed and connected at the center of the lower end of the hand wheel disc main body, the cross sections of the hand wheel fixing columns are of inverted trapezoidal structures, threads are arranged on the outer ring of the public joint, a circuit control box is arranged at the center of the upper end of the hand wheel, the circuit control box is of a cuboid structure, a small motor and a control circuit are arranged in the circuit control box, the small motor comprises a motor shaft and a motor body, the motor body is installed at the outer end of the motor shaft, the control circuit comprises a speed regulator, an accessory cable and components.
Further, show that merit valve gap inboard is equipped with first internal thread, show that merit case upper end is equipped with first external screw thread, show that to be equipped with second internal thread and second external screw thread inside and outside the merit valve italic upper end respectively, show that the merit valve gap is in the merit valve italic upper end outside through first internal thread and second external screw thread threaded connection, show that merit valve gap upper end is inboard in showing merit valve gap, the merit valve italic upper end through first external screw thread and first internal thread, second internal screw thread threaded connection.
Further, the hand wheel disc main body is in a petal shape formed by arcs with equal diameters, and the arc radian alpha is 230 degrees.
Further, a gasket is arranged at the upper end of the public joint.
Furthermore, the motor shaft and the hand wheel shaft are coaxially fixed to drive the hand wheel to be screwed up and unscrewed.
Further, the speed regulator is a variable resistor.
Furthermore, a groove is formed in the upper end of the inner cavity, the hand wheel is screwed down, and the indicator valve core is clamped in the groove.
Advantageous effects
The utility model relates to an electrically driven power-indicating valve of a medium-large diesel engine, which comprises a power-indicating valve main body, a power-indicating valve inclined body, a power-indicating valve cover, a power-indicating valve core, a hand wheel and a public joint, wherein a circuit control box is arranged at the center of the upper end of the hand wheel, a small motor and a control circuit are arranged in the circuit control box, the small motor comprises a motor shaft and a motor body, the motor body is arranged at the outer end of the motor shaft, the motor shaft is coaxially fixed with the hand wheel shaft, the hand wheel operated manually is changed into an electric control mode, the workload of operators on duty is greatly reduced, the working efficiency is effectively improved in the starting, running and parking processes of the diesel engine, the phenomenon of air leakage caused by manual factors is avoided, the control circuit comprises a speed regulator, an auxiliary cable and components, the speed regulator is connected with the small motor through the auxiliary cable, the torque is controlled by controlling the current, the tightness degree of the hand wheel is ensured to be proper, and the functional requirements are met.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the present invention.
Fig. 3 is a front view of the hand wheel.
Fig. 4 is a schematic diagram of a structure of a small motor and a control circuit.
Fig. 5 is a partially enlarged view a.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An electrically-driven power-indicating valve of a medium-large diesel engine comprises a power-indicating valve main body 1, a power-indicating valve inclined body 2, a power-indicating valve cover 3, a power-indicating valve core 4, a hand wheel 5 and a public joint 6, wherein the power-indicating valve inclined body 2 is installed and connected at the upper right end of the power-indicating valve main body 1, the power-indicating valve cover 3 is installed and connected at the top end of the power-indicating valve inclined body 2, the power-indicating valve core 4 is installed and connected inside the power-indicating valve inclined body 2, the public joint 6 is installed and connected at the bottom end of the power-indicating valve main body 1, the hand wheel 5 is installed and connected at the top end of the power-indicating valve core 4, an inner cavity 18 which is through up and down is arranged and connected inside the power-indicating valve main body 1, the power-indicating valve inclined body 2 is an inclined circular tube, the power-indicating valve cover 3 is a hexagon nut, the power-indicating valve core 4 is, the inner side of the indicator valve cover 3 is provided with a first internal thread 211, the upper end of the indicator valve core 4 is provided with a first external thread 210, the inner part and the outer part of the upper end of the indicator valve inclined body 2 are respectively provided with a second internal thread 213 and a second external thread 212, the indicator valve cover 3 is in threaded connection with the outer side of the upper end of the indicator valve inclined body 2 through the first internal thread 211 and the second external thread 212, the upper end of the indicator valve core 4 is in threaded connection with the inner sides of the upper ends of the indicator valve cover 3 and the indicator valve inclined body 2 through the first internal thread 210 and the second internal thread 213, the hand wheel 5 comprises a hand wheel disc 511 and a hand wheel shaft 512, the hand wheel disc 511 is installed and connected on the hand wheel shaft 512, the lower end of the hand wheel shaft 512 is in welded connection with the top end of the indicator valve core 4, the hand wheel disc 511 comprises a hand wheel disc main, the hand wheel disc main body 513 is in a petal shape formed by equal-diameter circular arcs, the radian alpha of each circular arc is 230 degrees, the section of the hand wheel fixing column 514 is in an inverted trapezoid structure, the outer ring of the common joint 6 is provided with threads 10, the upper end of the common joint 6 is provided with a gasket 11, the center of the upper end of the hand wheel 5 is provided with a circuit control box 7, the circuit control box 7 is in a cuboid structure, a small motor 12 and a control circuit are arranged in the circuit control box 7, the small motor 12 comprises a motor shaft 13 and a motor body 14, the motor body 14 is arranged at the outer end of the motor shaft 13, the motor shaft 13 is coaxially fixed with a hand wheel shaft 512 to drive the hand wheel 5 to be screwed and unscrewed, the control circuit comprises a speed regulator 15, an accessory cable 16 and a component 17, the speed regulator 15 is connected with the small motor 12 through the accessory cable 16 and the component 17, the speed regulator, the upper end is equipped with a recess 8 in the inner chamber 18, hand wheel 5 screws up, show that indicator valve core 4 joint is in recess 8.
The working principle is as follows: for a multi-cylinder diesel engine, as the number of cylinders is large (generally more than 6 cylinders), each cylinder is provided with a power-indicating valve, the power-indicating valve comprises a power-indicating valve main body 1, a power-indicating valve inclined body 2, a power-indicating valve cover 3, a power-indicating valve core 4, a hand wheel 5 and a common connector 6, a circuit control box 7 is arranged at the center of the upper end of the hand wheel 5, a small motor 12 and a control circuit are arranged in the circuit control box 7, the small motor 12 comprises a motor shaft 13 and a motor body 14, the motor shaft 13 is coaxially fixed with a hand wheel shaft 512, the small motor 12 completes forward rotation or reverse rotation according to an operation instruction to drive the hand wheel 5 to be screwed up or unscrewed, the control circuit comprises a speed regulator 15, an accessory cable 16 and a component 17, the speed regulator is connected with the small motor 12 through the accessory cable 16 and the component 17, and the, the current in the variable resistor to the small motor 12 is adjusted according to the requirement, and then the rotating speed of the small motor 12 is controlled to change the torque of the screwing hand wheel 5. Guarantee that hand wheel 5 can screw up air-tight, prevent the phenomenon of not opening when needing to screw up and take place simultaneously by the overtightening of preventing screwing up.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An electrically-driven power-indicating valve of a medium-large diesel engine is characterized by comprising a power-indicating valve main body, a power-indicating valve inclined body, a power-indicating valve cover, a power-indicating valve core, a hand wheel and a public joint, wherein the power-indicating valve inclined body is installed and connected at the upper right end of the power-indicating valve main body, the power-indicating valve cover is installed and connected at the top end of the power-indicating valve inclined body, the power-indicating valve core is installed and connected inside the power-indicating valve inclined body, the public joint is installed and connected at the bottom end of the power-indicating valve main body, the hand wheel is installed and connected at the top end of the power-indicating valve core, an inner cavity which is communicated up and down is arranged in the power-indicating valve main body, the power-indicating valve inclined body is obliquely installed at the upper right end of the power-indicating valve main body, the power-indicating valve inclined body is an inclined circular tube, the, the hand wheel disc is installed and connected on a hand wheel shaft, the lower end of the hand wheel shaft is connected with the top end of the indicator valve core in a welded mode, the hand wheel disc comprises a hand wheel disc main body and hand wheel fixing columns, the hand wheel fixing columns are installed and connected at the center of the lower end of the hand wheel disc main body, the cross sections of the hand wheel fixing columns are of inverted trapezoidal structures, threads are arranged on the outer ring of the public joint, a circuit control box is arranged at the center of the upper end of the hand wheel, the circuit control box is of a cuboid structure, a small motor and a control circuit are arranged in the circuit control box, the small motor comprises a motor shaft and a motor body, the motor body is installed at the outer end of the motor shaft, the control circuit comprises a speed regulator, an accessory cable and components.
2. The electrically-driven power indicating valve of the medium-large diesel engine as claimed in claim 1, wherein a first internal thread is arranged on the inner side of the power indicating valve cover, a first external thread is arranged at the upper end of the power indicating valve spool, a second internal thread and a second external thread are respectively arranged inside and outside the upper end of the power indicating valve inclined body, the power indicating valve cover is in threaded connection with the outer side of the upper end of the power indicating valve inclined body through the first internal thread and the second external thread, and the upper end of the power indicating valve spool is in threaded connection with the inner side of the upper end of the power indicating valve cover and the power indicating valve inclined body through the first.
3. The electrically-driven power indicating valve of the medium-large diesel engine according to claim 1, wherein the hand wheel disc body is petal-shaped formed by circular arcs with equal diameters, and the radian alpha of the circular arc is 230 degrees.
4. The electrically-driven indicator valve for medium-and large-sized diesel engines according to claim 1, characterized in that a gasket is arranged at the upper end of the public joint.
5. The electric power-driven indicator valve for the medium-large diesel engine according to claim 1, wherein the motor shaft is coaxially fixed with the hand wheel shaft and drives the hand wheel to be screwed and unscrewed.
6. The electrically-driven indicator valve for medium-and large-sized diesel engines as claimed in claim 1, wherein the speed regulator is a variable resistor.
7. The electric power-driven indicator valve of the medium-large diesel engine according to claim 1, wherein a groove is formed in the middle upper end of the inner cavity, the hand wheel is screwed down, and the indicator valve core is clamped in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920388365.4U CN209959975U (en) | 2019-03-26 | 2019-03-26 | Electric drive indicator valve of medium-large diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920388365.4U CN209959975U (en) | 2019-03-26 | 2019-03-26 | Electric drive indicator valve of medium-large diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN209959975U true CN209959975U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920388365.4U Active CN209959975U (en) | 2019-03-26 | 2019-03-26 | Electric drive indicator valve of medium-large diesel engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727747A (en) * | 2021-01-14 | 2021-04-30 | 浙江强盛压缩机制造有限公司 | Online monitoring system of ultralow-temperature reciprocating compressor and power indicating method thereof |
-
2019
- 2019-03-26 CN CN201920388365.4U patent/CN209959975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727747A (en) * | 2021-01-14 | 2021-04-30 | 浙江强盛压缩机制造有限公司 | Online monitoring system of ultralow-temperature reciprocating compressor and power indicating method thereof |
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