CN217304373U

CN217304373U - Novel diesel engine timing point confirm tool

Info

Publication number: CN217304373U
Application number: CN202221367722.7U
Authority: CN
Inventors: 温国生; 朱爱红; 王正飞
Original assignee: Chongqing Pangu Power Technology Co ltd
Current assignee: Chongqing Pangu Power Technology Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-08-26
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to a novel diesel engine timing point confirmation tool, through fixing the device in a fuel injector mounting hole, the lower core body of a core rod is arranged in a piston cavity, a flywheel of the diesel engine is rotated to enable a piston to go upwards, the top of the piston props against the lower core body of the core rod, the lower core body pushes the upper core body to move, the upper core body props against a measuring end of a dial indicator, a pointer of the dial indicator moves, the pointer on the dial indicator can stay at a numerical value unchanged, namely the timing point position can be determined when the dial indicator is at the numerical value, the reading of the dial indicator is confirmed, through rotating a knob, the knob drives a gear to rotate through a worm, the rotating gear drives the core rod to recover through a tooth meshed with the rotating gear, the zero return of the dial indicator is realized, the flywheel is rotated again, when the number of the dial indicator reaches the reading of the last dial indicator, whether a mark on the flywheel is in timing point coincidence or not is confirmed, the method and the device have the advantages that the aim time point of the diesel engine is confirmed without dismantling, convenience, rapidness and economy are realized, the detection efficiency is greatly improved, and the detection accuracy is improved.

Description

Novel diesel engine correct time point confirmation tool

Technical Field

The utility model relates to an engine maintenance technical field specifically is a novel diesel engine positive time point confirmation instrument.

Background

At present, with the continuous expansion and improvement of the engine industry, the diesel engine occupies the dominant position. In the processes of maintenance, fault judgment and the like of the diesel engine, when problems occur due to timing point adjustment errors or valve timing phase errors and the like, the conditions of deviation, dislocation and the like occur in timing, so that the engine has faults of abnormal starting, abnormal starting and the like. In order to facilitate maintenance or eliminate the faults in time, the maintenance workload is reduced, and meanwhile, the maintenance work efficiency and quality are improved. Therefore, it is necessary to correctly judge whether the timing of the corresponding cylinder of the engine is matched.

However, the traditional and cumbersome processing method is as follows: dismantling a valve cover cap, a cylinder cover, an exhaust branch pipe, an air inlet pipe and the like of a corresponding cylinder, and then, rotating a flywheel to check whether the timing points of the engine are matched; or, the injector is taken out and observed by naked eyes from the injector mounting hole, and the like, so that the method is complex and the inspection structure is extremely inaccurate, and meanwhile, the method is easy to damage related parts, increases the maintenance cost and possibly causes other maintenance faults of the engine. Therefore, proper tool use is of particular importance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel diesel engine confirm the instrument just time to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel diesel engine timing point confirming tool comprises a dial indicator and a shell, wherein the dial indicator is arranged at the top end of the shell, a sleeve is sleeved on the outer wall of the shell, a lower end cap is arranged at the bottom end of the shell, a core rod is connected in the shell in a sliding mode, the lower end of the core rod penetrates through the lower end cap and is connected with the inner wall of the shell and the lower end cap in a sliding mode, the core rod comprises a lower core body and an upper core body, the lower core body is fixedly connected with the bottom end of the upper core body in a coaxial mode, the lower core body penetrates through the lower end cap and is connected with the lower end cap in a sliding mode, the upper core body is arranged in the shell in a sliding mode and is connected with the shell in a sliding mode, a groove in the top of the upper core body is in contact with the measuring end of the dial indicator, a connecting box is fixedly connected with an opening of the side wall of the shell above the sleeve, a worm is rotationally connected with the connecting box, the worm wheel is mutually meshed with the worm, the worm is coaxial fixedly connected with gear in the connecting box, worm one end runs through the connecting box, and the one end fixedly connected with knob of worm outside the connecting box, the tooth with gear looks adaptation is seted up to the lateral wall of the last core body of plug, the tooth that sets up on the last core body meshes with the gear mutually.

As a further aspect of the present invention: the dial indicator is characterized in that a placing groove is formed in the top of the shell, the measuring end of the dial indicator is arranged in the placing groove, a threaded hole is formed in the place of the shell, and a fixing bolt used for tightly pushing the dial indicator is connected with the threaded hole in an internal thread mode.

As a further aspect of the present invention: the casing bottom is provided with screw thread portion, lower end cap top is provided with the mounting hole, the screw thread portion that the casing set up and the mounting hole threaded connection of lower end cap setting.

As a further aspect of the present invention: and a hexagonal groove is formed in the bottom end of the lower end cap.

As a further aspect of the present invention: the sleeve is provided with a clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a dismantle the diesel engine's that awaits measuring sprayer, embed lower end cap and the casing lower extreme of this instrument in the sprayer mounting hole, through the draw-in groove on the mounting panel joint sleeve pipe of installation sprayer, fix the device in the sprayer mounting hole, the lower core of plug is built-in the piston chamber, rotate diesel engine's flywheel, make the piston go upward, the piston top withstands the lower core of plug, lower core pushes away the upper core and moves, the upper core is pushing against the measuring end of percentage table, the percentage table pointer moves, the pointer can stop at a numerical value on the percentage table and be unchangeable, can confirm this as the correct time point position when the percentage table is in this numerical value, confirm the reading of percentage table, through rotating the knob, the knob drives the gear through the worm, the pivoted gear drives the plug through the tooth that meshes with it and recovers, realize the zeroing of percentage table, and the flywheel is rotated again, when the number of the dial indicator reaches the reading of the last dial indicator, whether the correct time point of the mark on the flywheel is coincident or not is confirmed, the correct time point of the diesel engine is confirmed without dismantling, the method is convenient, quick and economical, the detection efficiency is greatly improved, and the detection accuracy is improved.

Drawings

Fig. 1 is a schematic structural diagram of a novel diesel engine timing point confirmation tool.

Fig. 2 is a sectional view of a timing point confirmation tool of a new diesel engine.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure: 1. a dial indicator; 2. fixing the bolt; 3. a core rod; 4. a sleeve; 5. a housing; 6. a lower end cap; 7. a threaded hole; 8. a threaded portion; 9. mounting holes; 10. a lower core body; 11. an upper core body; 12. a card slot; 13. a connection box; 14. a knob; 15. teeth; 16. a gear; 17. a worm; 18. a turbine; 19. a hexagonal groove; 20. and (6) placing a groove.

Detailed Description

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.

Referring to fig. 1 to 3, in an embodiment of the present invention, a novel diesel engine timing point confirmation tool includes a dial indicator 1 and a casing 5, the dial indicator 1 is disposed on a top end of the casing 5, an outer wall of the casing 5 is sleeved with a sleeve 4, a bottom end of the casing 5 is provided with a lower end cap 6, a core rod 3 is slidably connected in the casing 5, a lower end of the core rod 3 penetrates through the lower end cap 6, the core rod 3 is slidably connected with an inner wall of the casing 5 and the lower end cap 6, a casing formed by the sleeve 4, the casing 5 and the lower end cap 6 has the same size as a casing of a fuel injector of a diesel engine to be measured, the core rod 3 includes a lower core 10 and an upper core 11, the lower core 10 is coaxially and fixedly connected to a bottom end of the upper core 11, the lower core 10 penetrates through the lower end cap 6, the lower core 10 is slidably connected with the lower end cap 6, the upper core 11 is disposed in the casing 5, the upper core 11 is slidably connected with the casing 5, a groove at a top of the upper core 11 is in contact with a measuring end of the dial indicator 1, the opening part fixedly connected with connecting box 13 of 5 lateral walls of casing above sleeve pipe 4, connecting box 13 internal rotation is connected with worm 17, connecting box 13 internal rotation is connected with turbine 18, turbine 18 and worm 17 intermeshing, worm 17 coaxial fixedly connected with gear 16 in connecting box 13, worm 17 one end run through connecting box 13, and worm 17 one end fixedly connected with knob 14 outside connecting box 13, the tooth 15 with gear 16 looks adaptation is seted up to the lateral wall of the last core 11 of plug 3, the tooth 15 that sets up on the last core 11 meshes with gear 16 mutually.

The placing groove 20 is opened at the top of the shell 5, the measuring end of the dial indicator 1 is internally arranged in the placing groove 20, the shell 5 is provided with a threaded hole 7 at the placing groove 20, and the threaded hole 7 is internally connected with a fixing bolt 2 for tightly pushing the dial indicator 1.

The bottom of casing 5 is provided with screw thread portion 8, and lower end cap 6 top is provided with mounting hole 9, and the screw thread portion 8 that casing 5 set up is provided with hexagonal groove 19 with the mounting hole 9 threaded connection of lower end cap 6 setting, lower end cap 6 bottom.

The sleeve 4 is provided with a clamping groove 12, and the clamping groove 12 is the same as a clamping groove of the mounting plate during installation of the oil sprayer.

The utility model discloses a theory of operation is:

when the tool is used, an oil sprayer of a diesel engine to be measured is detached, the lower end cap 6 and the lower end of a shell 5 of the tool are arranged in an oil sprayer mounting hole in a built-in mode, the device is fixed in the oil sprayer mounting hole through a clamping groove 12 on a mounting plate for mounting the oil sprayer in a clamping mode, a lower core 10 of a core rod 3 is arranged in a piston cavity, a flywheel of the diesel engine is rotated to enable a piston to move upwards, the top of the piston abuts against the lower core 10 of the core rod 3, the lower core 10 pushes an upper core 11 to move, the upper core 11 abuts against a measuring end of a dial indicator 1, a pointer of the dial indicator 1 moves, the upper core 11 moves, a gear 16 is driven to rotate through a set tooth 15, the gear 16 drives a worm 17 to rotate, the worm 17 drives a turbine 18 to rotate, the pointer on the dial indicator 1 stays at a numerical value in the piston moving process, namely the pointer on the dial indicator 1 can stay at the numerical value and can be determined as a timing point position when the numerical value is located on the dial indicator 1, the reading of the dial indicator 1 is confirmed, the knob 14 is rotated, the knob 14 drives the gear 16 to rotate through the worm 17, the rotating gear 16 drives the core rod 3 to recover through the teeth 15 meshed with the rotating gear, the zero return of the dial indicator 1 is realized, the flywheel is rotated again, when the number of the dial indicator 1 reaches the reading of the dial indicator 1 at the last time, whether the mark on the flywheel is right time or not is confirmed to be coincident, the confirmation of the right time of the diesel engine is realized without dismantling, the convenience, the rapidness and the economy are realized, the detection efficiency is greatly improved, and the detection accuracy is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a novel diesel engine correct time point confirms instrument, includes percentage table (1) and casing (5), its characterized in that: the dial indicator (1) is arranged at the top end of a shell (5), a sleeve (4) is sleeved on the outer wall of the shell (5), a lower end cap (6) is arranged at the bottom end of the shell (5), a core rod (3) is connected in the shell (5) in a sliding manner, the lower end of the core rod (3) penetrates through the lower end cap (6), the core rod (3) is connected with the inner wall of the shell (5) and the lower end cap (6) in a sliding manner, the core rod (3) comprises a lower core body (10) and an upper core body (11), the lower core body (10) is coaxially and fixedly connected with the bottom end of the upper core body (11), the lower core body (10) penetrates through the lower end cap (6), the lower core body (10) is connected with the lower end cap (6) in a sliding manner, the upper core body (11) is arranged in the shell (5) in a sliding manner, the upper core body (11) is connected with the shell (5) in a sliding manner, a groove at the top of the upper core body (11) is in contact with the measuring end of the dial indicator (1), casing (5) lateral wall opening part fixedly connected with connecting box (13) above sleeve pipe (4), connecting box (13) internal rotation is connected with worm (17), connecting box (13) internal rotation is connected with turbine (18), turbine (18) and worm (17) intermeshing, coaxial fixedly connected with gear (16) in connecting box (13) worm (17), connecting box (13) is run through to worm (17) one end, and worm (17) one end fixedly connected with knob (14) outside connecting box (13), tooth (15) with gear (16) looks adaptation are seted up to the lateral wall of last core (11) of plug (3), go up tooth (15) and gear (16) mesh that set up on core (11).

2. The new diesel engine timing point confirmation tool according to claim 1, wherein: the dial indicator is characterized in that a placing groove (20) is formed in the top of the shell (5), the measuring end of the dial indicator (1) is arranged in the placing groove (20), a threaded hole (7) is formed in the position, corresponding to the placing groove (20), of the shell (5), and a fixing bolt (2) used for tightly jacking the dial indicator (1) is connected to the threaded hole (7) in an internal thread mode.

3. The new diesel engine timing point confirmation tool according to claim 1, wherein: casing (5) bottom is provided with screw thread portion (8), end cap (6) top is provided with mounting hole (9) down, screw thread portion (8) that casing (5) set up and mounting hole (9) threaded connection that end cap (6) set up down.

4. The new diesel engine timing point confirmation tool according to claim 1, wherein: and a hexagonal groove (19) is formed in the bottom end of the lower end cap (6).

5. The new diesel engine timing point confirmation tool according to claim 1, wherein: the sleeve (4) is provided with a clamping groove (12).