CN205445860U - Engine high -pressure oil pump remote debugging device - Google Patents
Engine high -pressure oil pump remote debugging device Download PDFInfo
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- CN205445860U CN205445860U CN201620008400.1U CN201620008400U CN205445860U CN 205445860 U CN205445860 U CN 205445860U CN 201620008400 U CN201620008400 U CN 201620008400U CN 205445860 U CN205445860 U CN 205445860U
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Abstract
The utility model relates to an engine high -pressure oil pump remote debugging device belongs to the instrument or the bench device technical field that are used for fastening, connection, dismantlement or centre gripping. Inefficiency in the current high -pressure oil pump adjustment procedure, cycle length, problem that the potential safety hazard is high have been solved to it. The utility model discloses a debugging subassembly, overload protection component and control assembly, the debugging subassembly includes a style of calligraphy screwdriver, abutment sleeve, guide bar, guide sleeve and direction spring, overload protection component includes universal joint, fender nail, steel ball, debugging hole, debugging screw, back -moving spring, slide, initiative piece, follows the motion block, control assembly connects debugging handle and universal joint respectively including debugging handle and driving motor, driving motor. The utility model discloses main, have and can simplify, shorten engine the development process especially such as V type engine to the mechanical type engine, improvement engine operating personnel's effects such as personal factor of safety.
Description
Technical field
This utility model relates to high-pressure oil pump of engine remote testing device, belongs to the instrument for fastening, connect, dismantle or clamping or bench device technical field.
Background technology
High-pressure oil pump is smooth according to engine operation condition and cylinder operation, with certain rule in good time, quantitatively to the device of fuel injector output high pressure fuel.For mechanical engine, high-pressure oil pump debugging is a vital link in its development process, there is the problems such as debugging cycle length, efficiency is low, risk is high.For V-structure electromotor, because high-pressure oil pump is arranged on engine head, operate very inconvenient, under power-off conditions, high-pressure oil pump can only be debugged.So may result in high-pressure oil pump debugging efficiency low, the cycle is long, poor accuracy.Start frequently simultaneously, stop, hot car is also the biggest a kind of wasting of resources.For in-line engine, although can debug under driving state, but under driving state, operator need also exist for the electromotor run up directly facing contact, there is uncertain potential safety hazard.
Utility model content
The purpose of this utility model is to overcome the problem that during the adjustment of existing high-pressure oil pump, efficiency is low, cycle length, potential safety hazard are high, propose a kind of high-pressure oil pump of engine remote testing device, ensure that electromotor adjust during the personal safety of operator, make high-pressure oil pump of engine adjust simultaneously and become more convenient, do not limited by engine block structure and working place.
This utility model is to use following technical scheme to realize: a kind of high-pressure oil pump of engine remote testing device; including debugging assembly, overload protection assembly and control assembly; debugging assembly is connected with controlling assembly by overload protection assembly, and debugging assembly is debugged screw with the stroke of high-pressure oil pump and is connected；
Debugging assembly includes slotted point screwdriver, abutment sleeve, guide post, pilot sleeve and guide spring, and slotted point screwdriver is connected with guide post, and slotted point screwdriver is positioned at abutment sleeve inner chamber, and guide post is fixed on pilot sleeve inwall by guide spring；
Overload protection assembly includes universal joint, retaining screw, steel ball, debugging hole, debugging screw, back-moving spring, slideway, actively block, Slave Block; wherein; retaining screw, back-moving spring, debugging screw are sequentially connected; steel ball, slideway, retaining screw, back-moving spring and debugging screw are respectively positioned between Slave Block and active block; Slave Block is connected with active block; Slave Block connects pilot sleeve, actively block universal-joint；
Control assembly to include debugging handle and driving motor, drive motor to connect debugging handle and universal joint respectively.
Slotted point screwdriver is debugged screw with the stroke of high-pressure oil pump inner chamber and is connected.
In overload protection assembly, back-moving spring is in tensioning state.
The steel ball of overload protection assembly is compressed in groove, is provided with cirque slideway between groove.
When stroke is debugged screw precession or screws out excessive, Slave Block can be by sufficiently large resistance, and the tension force of back-moving spring is not enough to continue to overcome this resistance, steel ball can skid off respectively from corresponding recesses, rolls into slideway, then rolls into next groove, actively block is under the drive driving motor, continues to rotate.
Actively block is under the drive driving motor, continues to rotate, and Slave Block then will not continue to rotate.
Use process of the present utility model is as follows: when using this device to carry out high-pressure oil pump debugging, first high-pressure oil pump locking nut is screwed down, by the slotted point screwdriver alignment stroke debugging screw in debugging components, then by the abutment sleeve spinning of device to stroke debugging screw, when making to adjust stroke debugging screw with slotted point screwdriver, abutment sleeve can rotate together.Abutment sleeve plays the effect of location stroke debugging screw at this, prevents during device uses, and slotted point screwdriver departs from stroke debugging screw.Slotted point screwdriver is hinged with guide post, can rotate in the same plane between the two.Guide post is arranged in pilot sleeve, and during this remote testing device uses, the guide spring moment in pilot sleeve compresses guide post so that it is the moment contacts with stroke debugging screw, does not haves and is axially disengaging phenomenon.And the existence of pilot sleeve also ensures that this remote testing device is axially having certain mobile space, being unlikely between each parts to be in the state of being rigidly connected, the service life to this device is also a kind of guarantee.Operator control to drive motor by debugging handle, by controlling the purpose driving the forward or reverse of motor to reach to control device debugging assembly.This device drive motor be connected with the overload protection assembly of device by a universal joint.During high-pressure oil pump is debugged, the spinning in and out of stroke debugging screw have certain location to limit, it is possible that the operational error of some the unknowns causes stroke debugging screw precession amount or back-out amount excessive during debugging, cause the damage to high-pressure oil pump and device.Such as when stroke debugging screw is constantly in precession state, it is possible to there is the phenomenon of slotted point screwdriver and the rigid friction of high-pressure oil pump housing, if operator do not notice the generation of this problem, it is possible to high-pressure oil pump or the generation of device damage accident can occur.For this this device specialized designs for the overload protection assembly of problems.In overload protection assembly, back-moving spring is in tensioning state, and back-moving spring one end is connected with retaining screw, and one end is connected with debugging screw.Retaining screw is not fixed, and the pulling force by back-moving spring is arranged in active block, free to rotate.Can use the instruments such as screwdriver that debugging screw is adjusted by debugging hole, reach to debug the purpose of back-moving spring tensile force.During this remote testing device uses; in the range of the normal debugging of stroke debugging screw, under the pulling force effect of back-moving spring, the steel ball moment of overload protection assembly is compressed in groove; actively can drive Slave Block synchronous rotary soon, reach the purpose to stroke debugging screw debugging.If stroke is debugged screw precession or screws out excessive, Slave Block part can be by sufficiently large resistance, and the tension force of back-moving spring is not enough to continue to overcome this resistance, steel ball can skid off respectively from corresponding recesses, roll into slideway, then roll into next groove, and continue this kind of rotation.Now, actively block is under the drive driving motor, continues to rotate, and Slave Block then will not continue to rotate, and plays device and the purpose of the overload protection of high-pressure oil pump.
The beneficial effects of the utility model are:
(1) this device is capable of under power-on condition the debugging to high-pressure oil pump, and especially for the electromotor of the special arrangement such as V-type, the advantage of this device becomes apparent from；
(2) this device overcomes the problems such as safety coefficient that electromotor traditional debugging mode exists is low, without continuing the electromotor in operating when operator carry out high-pressure oil pump debugging, eliminates potential safety hazard；
(3) this device have employed the design such as guide spring and overload protection, ensure that the protection to high-pressure oil pump in service life of device and operating process to a certain extent.
Accompanying drawing explanation
Fig. 1 is prior art construction schematic diagram.
Fig. 2 is structure principle chart of the present utility model.
Fig. 3 is debugging assembly principle figure of the present utility model.
Fig. 4 is control assembly of the present utility model and overload protection assembly principle figure.
Fig. 5 is the A-A sectional view of Fig. 4.
In figure: 1, high-pressure oil pump housing, 2, control rack, 3, floating lever rod, 4, camshaft, 5, flyball, 6, stroke debugging screw, 7, locking nut, 8, end cover, 9, slide block, 10, speed adjusting lever, 11, control assembly, 12, overload protection assembly, 13, debugging assembly, 14, slotted point screwdriver, 15, abutment sleeve, 16, oil sealing, 17, guide post, 18, pilot sleeve, 19, guide spring, 20, debugging hands handle, 21, drive motor, 22, universal joint, 23, retaining screw, 24, steel ball, 25, debugging hole, 26, debugging screw, 27, back-moving spring, 28, slideway, 29, actively block, 30, Slave Block.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the part-structure sketch of a kind of common high-pressure oil pump of engine speed regulator.During high-pressure oil pump debugging, to first backing out locking nut 7, then be directed at stroke debugging screw 6 with slotted point screwdriver 14, according to engine power demand, being screwed into or backward travel debugging screw 6, until reaching to debug the purpose of engine demand power.During normal working of engine, high-pressure oil pump camshaft 4 rotates with 1/2 times of engine speed.Camshaft 4 rotating speed is the highest, the angle that flyball 5 opens is the biggest, locking nut 7 stroke debugged screw 6 fixing in the case of, floating lever rod 3 will be with stroke debugging screw 6 as fulcrum, draw control rack 2 and move to subtracting oil direction, after reaching new balance, control rack 2 position is fixed, and high-pressure oil pump reaches the state of stable fuel feeding.High-pressure oil pump housing 1 is additionally provided with the existing auxiliary such as end cover 8, slide block 9, speed adjusting lever 10 and arranges.
From the point of view of the operation principle of high-pressure oil pump, carrying out high-pressure oil pump debugging under engine operating status is approach the most efficiently and effectively, but a lot of in the case of, carry out high-pressure oil pump debugging under engine operating status and limited by some objective condition and be inconvenient to carry out.Such as limited by the installation site of high-pressure oil pump, especially V-type engine, be there is no working place；From the standpoint of operator's personal safety, also it is not recommended that carry out high-pressure oil pump debugging under engine operating status.
In order to solve the problem that during high-pressure oil pump adjusts, efficiency is low, cycle length, potential safety hazard are high, invent this remote testing device.Fig. 2 is the structure diagram of this device, is mainly made up of three parts, and debugging assembly 13 is controlled by operator by controlling assembly 11, reaches the purpose adjusting high-pressure oil pump.During this; for preventing the excessively debugging controlling assembly 11 from causing the damage of high-pressure oil pump stroke debugging screw 6; overload protection assembly 12 is installed in the middle of this device; this assembly can control when the moment of torsion controlling assembly 11 output exceedes when bearing limit of assembly 13 of debugging, protects debugging assembly 13 and stroke debugging screw 6.
Fig. 3 is that remote testing device debugs modular construction sketch, when using this device to carry out high-pressure oil pump debugging, first high-pressure oil pump locking nut 7 is screwed down, slotted point screwdriver 14 in debugging assembly 13 part is directed at stroke debugging screw 6, then by abutment sleeve 15 spinning of device to stroke debugging screw 6, when making to adjust stroke debugging screw 6 with slotted point screwdriver 14, abutment sleeve 15 can rotate together.Abutment sleeve 15 plays location stroke at this and debugs the effect of screw 6, prevents during device uses, and slotted point screwdriver 14 and stroke debugging screw 6 depart from.Oil sealing 16 it is provided with outside abutment sleeve 15.Slotted point screwdriver 14 is hinged with guide post 17, can rotate in the same plane between the two.Guide post 17 is arranged in pilot sleeve 18, and during this remote testing device uses, guide spring 19 moment in pilot sleeve 18 compresses guide post 17 so that it is the moment contacts with stroke debugging screw 6, does not haves and is axially disengaging phenomenon.And the existence of pilot sleeve 18 also ensures that this remote testing device is axially having certain mobile space, being unlikely between each parts to be in the state of being rigidly connected, the service life to this device is also a kind of guarantee.
Fig. 4 and Fig. 5 is that remote testing device controls assembly and overload protection components.Operator control to drive motor 21 by debugging handle 20, by controlling the purpose driving the forward or reverse of motor 21 to reach to control device debugging assembly 13.This device drive motor 21 be connected with the overload protection assembly 12 of device by a universal joint 22.During high-pressure oil pump is debugged, the spinning in and out of stroke debugging screw 6 have certain location to limit, it is possible that the operational error of some the unknowns causes stroke debugging screw 6 precession amount or back-out amount excessive during debugging, cause the damage to high-pressure oil pump and device.Such as when stroke debugging screw 6 is constantly in precession state, it is possible to there is the phenomenon of slotted point screwdriver 14 and the rigid friction of high-pressure oil pump housing 1, if operator do not notice the generation of this problem, it is possible to high-pressure oil pump or the generation of device damage accident can occur.For this this device specialized designs for the overload protection assembly 12 of problems.In overload protection assembly 12, back-moving spring 27 is in tensioning state, and back-moving spring 27 one end is connected with retaining screw 23, and one end is connected with debugging screw 26.Retaining screw 23 is not fixed, and the pulling force by back-moving spring 27 is arranged in active block 29, free to rotate.Can use the instruments such as screwdriver that debugging screw 26 is adjusted by debugging hole 25, reach to debug the purpose of back-moving spring 27 tensile force.During this remote testing device uses; in the range of the normal debugging of stroke debugging screw 6; under the pulling force effect of back-moving spring 27; steel ball 24 moment of overload protection assembly 12 is compressed in groove; actively block 29 can drive Slave Block 30 synchronous rotary, reaches the purpose to stroke debugging screw 6 debugging.If stroke is debugged screw 6 precession or screws out excessive, Slave Block 30 part can be by sufficiently large resistance, and the tension force of back-moving spring 27 is not enough to continue to overcome this resistance, steel ball 24 can skid off respectively from corresponding recesses, roll into slideway 28, then roll into next groove, and continue this kind of rotation.Now, actively block 29 is under the drive driving motor 21, continues to rotate, and Slave Block 30 then will not continue to rotate, and plays device and the purpose of the overload protection of high-pressure oil pump.
For mechanical engine, high-pressure oil pump debugging is a vital link in its development process, there is the problems such as debugging cycle length, efficiency is low, risk is high.For V-structure electromotor, because high-pressure oil pump is arranged on engine head, operate very inconvenient, under power-off conditions, high-pressure oil pump can only be debugged.So may result in high-pressure oil pump debugging efficiency low, the cycle is long, poor accuracy.Start frequently simultaneously, stop, hot car is also the biggest a kind of wasting of resources.Use this remote testing device, it is possible to realize under driving state, electromotor being debugged, shorten the engine development cycle, reduce cost, can guarantee that again the personal safety of operator.
High-pressure oil pump debugging is a vital step in engine development process, and traditional high-pressure oil pump debud mode also exists the problems such as operation inconvenience, low, the poor stability of efficiency.Based on these problems that there is currently, invent this remote testing device.
This utility model is mainly for mechanical engine, the most such as V-type engine, high-pressure oil pump debugging process difficulty, there is time and effort consuming uneasiness congruence problem, invent this device, it is possible to simplify, shorten engine development process, improve the personnel safety factor of engine operator, there is reduction cost, simplify operation, improve the effects such as safety.
Certainly, foregoing is only preferred embodiment of the present utility model, it is impossible to be considered for limiting scope of embodiments of the present utility model.This utility model is also not limited to the example above, equalization change and the improvement etc. that those skilled in the art are made in essential scope of the present utility model, all should belong in patent covering scope of the present utility model.
Claims (6)
1. a high-pressure oil pump of engine remote testing device; it is characterized in that: include debugging assembly (13), overload protection assembly (12) and controlling assembly (11); debugging assembly (13) is connected with controlling assembly (11) by overload protection assembly (12), and debugging assembly (13) is debugged screw (6) with the stroke of high-pressure oil pump and is connected；
Debugging assembly (13) includes slotted point screwdriver (14), abutment sleeve (15), guide post (17), pilot sleeve (18) and guide spring (19), slotted point screwdriver (14) is connected with guide post (17), slotted point screwdriver (14) is positioned at abutment sleeve (15) inner chamber, and guide post (17) is fixed on pilot sleeve (18) inwall by guide spring (19)；
Overload protection assembly (12) includes universal joint (22), retaining screw (23), steel ball (24), debugging hole (25), debugging screw (26), back-moving spring (27), slideway (28), actively block (29), Slave Block (30), wherein, retaining screw (23), back-moving spring (27), debugging screw (26) is sequentially connected, steel ball (24), slideway (28), retaining screw (23), back-moving spring (27) and debugging screw (26) are respectively positioned between Slave Block (30) and active block (29), Slave Block (30) is connected with actively block (29), Slave Block (30) connects pilot sleeve (18), actively block (29) universal-joint (22)；
Control assembly (11) to include debugging handle (20) and driving motor (21), drive motor (21) to connect debugging handle (20) and universal joint (22) respectively.
High-pressure oil pump of engine remote testing device the most according to claim 1, it is characterised in that: slotted point screwdriver (14) is debugged screw (6) with the stroke of high-pressure oil pump inner chamber and is connected.
High-pressure oil pump of engine remote testing device the most according to claim 1, it is characterised in that: in overload protection assembly (12), back-moving spring (27) is in tensioning state.
High-pressure oil pump of engine remote testing device the most according to claim 1, it is characterised in that: the steel ball (24) of overload protection assembly (12) is compressed in groove, is provided with cirque slideway (28) between groove.
High-pressure oil pump of engine remote testing device the most according to claim 4, it is characterized in that: when stroke is debugged screw (6) precession or screws out excessive, Slave Block (30) can be by sufficiently large resistance, the tension force of back-moving spring (27) is not enough to continue to overcome this resistance, steel ball (24) can skid off respectively from corresponding recesses, roll into slideway (28), then roll into next groove.
High-pressure oil pump of engine remote testing device the most according to claim 5, it is characterised in that: actively block (29) is under the drive driving motor (21), continues to rotate, and Slave Block (30) then will not continue to rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620008400.1U CN205445860U (en) | 2016-01-06 | 2016-01-06 | Engine high -pressure oil pump remote debugging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620008400.1U CN205445860U (en) | 2016-01-06 | 2016-01-06 | Engine high -pressure oil pump remote debugging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048786A (en) * | 2018-09-10 | 2018-12-21 | 西安邮电大学 | A kind of superhigh precision centering flexibility is held with a firm grip regulating device |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048786A (en) * | 2018-09-10 | 2018-12-21 | 西安邮电大学 | A kind of superhigh precision centering flexibility is held with a firm grip regulating device |
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