CN213658231U

CN213658231U - Wear test device of engine camshaft tappet

Info

Publication number: CN213658231U
Application number: CN202021933194.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Cixi Jingma Power Machinery Co ltd
Current assignee: Cixi Jingma Power Machinery Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-07-09
Anticipated expiration: 2030-09-07

Abstract

The utility model relates to an abrasion test device technical field specifically is an abrasion test device of engine camshaft tappet, and side's pipe left end bolted connection has the cylinder, and is linked together on the cylinder has two gas-supply pipes, and the cylinder right-hand member meets rather than communicating connecting pipe, and the connecting pipe end runs through square intraduct rather than communicating. Through the cylinder, can utilize the gas-supply pipe to spout out the gas come, make spun gas, can promote fixing device and move to the right, make to drive the camshaft tappet and hit the second spring to the right, make the camshaft tappet through being bounce back and forth by second spring and first spring, thereby make camshaft tappet make a round trip piston motion carry out camshaft tappet wear test's work, make the cylinder promote the camshaft tappet through jet-propelled, and then the cost is reduced, the operation of being convenient for more, the wear test device of present engine camshaft tappet has been solved, the cost is too big, be not convenient for operate and when blockade too troublesome problem of device.

Description

Wear test device of engine camshaft tappet

Technical Field

The utility model relates to an abrasion test device technical field specifically is an abrasion test device of engine camshaft tappet.

Background

The roller tappet is one kind of tappet, its advantage can reduce the side force to holding that friction caused, this kind of tappet structure is complicated, and the quality is great, generally is used for big bore diesel engine mostly, and the camshaft is a part in the piston engine, and its effect is opening and closing action of control valve, and when carrying out the test camshaft tappet wearing and tearing, just need use the wear test device.

At present, the wear test device of engine camshaft tappet, when carrying out the piston motion wear test of camshaft tappet, the cost that needs is too big, and the operation of not being convenient for moreover to the wear test device of engine camshaft tappet is at present, and when blockading, too troublesome, lead to making for the worker troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an abrasion test device of engine camshaft tappet possesses not only the cost is reduced, the operation of being convenient for moreover to advantages such as blockade device of being convenient for have solved the abrasion test device of present engine camshaft tappet, and the cost is too big, be not convenient for operate and when blockade too troublesome problem of device.

(II) technical scheme

For realizing the aforesaid not only the cost is reduced, be convenient for operate moreover to be convenient for purpose such as blockade device, the utility model provides a following technical scheme: a wear test device of an engine camshaft tappet, comprising: the left end of the square pipe is a closed-end square pipe, the left end of the square pipe is connected with an air cylinder through a bolt, the upper end of the air cylinder is communicated with two air delivery pipes, the right end of the air cylinder is connected with a connecting pipe communicated with the air cylinder, the tail end of the connecting pipe penetrates through the inside of the square pipe and is communicated with the inside of the square pipe, the top end of the inner wall of the square pipe is provided with a sliding groove in a concave structure, and the left end of the inner wall of the square; the fixing device is arranged in the middle of the inner part of the square tube and comprises an upper clamping ring, a lower clamping ring and a frame, the upper clamping ring is positioned above the lower clamping ring and is connected with the lower clamping ring through a bolt, a connecting rod is vertically welded at the upper end of the upper clamping ring, the frame is fixed at the tail end of the connecting rod, and the front end and the rear end of the frame are respectively inserted and rotatably connected with a pair of rollers in rolling connection with the sliding grooves; the utility model discloses a locking device, locking device joint is in square pipe right-hand member, and locking device include through sticky joint in the twinkling of an eye sealing block and the inserted block of locking device left end, locking device right-hand member four corners is all opened and is link up to the slot in square pipe right-hand member four corners, and the slot is all opened at both ends from top to bottom has the side channel, open slot inner wall left end has the ring channel, and the inserted block interlude joint is in inside the slot to both ends all are fixed with the fixture block about the inserted block.

Further advantageously, the left end of the sealing block is fixedly embedded with a second spring.

Further advantage, the frame is I-shaped structure, just both ends extend to respectively around the frame around in the spout both sides with the spout joint.

Further advantageously, a handle is fixed to the right end of the locking device.

Further advantage, the area of sealed piece with the orificial area in square pipe right-hand member equals.

Further advantage, first spring right-hand member connects with the snubber ring, just the second spring left end links with the snubber block, and the snubber ring with the snubber block is made by the sponge.

The clamping block is connected with the side groove in a sliding mode and clamped with the annular groove in a clamping mode.

(III) advantageous effects

Compared with the prior art, the utility model provides an abrasion test device of engine camshaft tappet possesses following beneficial effect:

1. according to the wear test device for the camshaft tappet of the engine, through the air cylinder, air can be sprayed by the air conveying pipe, so that the sprayed air can push the fixing device to move rightwards, the camshaft tappet is driven to strike a second spring rightwards, the camshaft tappet is driven to bounce back and forth by the second spring and the first spring, the camshaft tappet moves back and forth through a piston to carry out the wear test work of the camshaft tappet, the air cylinder pushes the camshaft tappet through air spraying, the cost is reduced, and the operation is more convenient;

2. after the square tube right end mouth of pipe is covered with the blockade device, can make the sealing block fill in the mouth of pipe, and communicate with each other between slot, side groove and the ring channel three, the fixture block respectively with side groove sliding connection and ring channel joint moreover, later through inserting the plug into the slot internal rotation for the fixture block just can with the ring channel joint, thereby be convenient for blockade square tube.

Drawings

FIG. 1 is a schematic view of the whole structure of the present invention;

FIG. 2 is a schematic view of a portion A of the locking device of FIG. 1 according to the present invention;

fig. 3 is a schematic diagram of the right end of the structure fixing device of the present invention.

In the figure: 100-square tube; 101-a chute; 102-a first spring; 103-a damping ring; 200-cylinder; 201-gas transmission pipe; 202-connecting pipe; 300-a fixture; 301-upper clamping ring; 302-lower clamping ring; 303-a connecting rod; 304-a frame; 305-a roller; 400-a locking device; 401-a handle; 402-a sealing block; 403-a second spring; 404-a damper block; 405-slot; 406-side groove; 407-an annular groove; 408-an insert block; 409-fixture block.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

In a first embodiment, as shown in fig. 1-3, the present application discloses a wear test device for an engine camshaft tappet, the wear test device comprising: the left end is the square pipe 100 of blind end, square pipe 100 left end bolted connection has cylinder 200, and is linked together there are two gas-supply pipes 201 in cylinder 200 upper end, cylinder 200 right-hand member meets mutually rather than communicating even pipe 202, and even pipe 202 end runs through square pipe 100 is inside rather than communicating with each other, open on square pipe 100 inner wall top has the spout 101 that is the type of calligraphy structure, and square pipe 100 inner wall left end scarf joint is fixed with first spring 102, fixing device 300 arranges square pipe 100 inside middle part, and fixing device 300 includes clamp ring 301, clamp ring 302 and frame 304 down, go up clamp ring 301 be located clamp ring 302 top down with clamp ring 302 bolted connection down, and go up clamp ring 301 upper end vertical welding and have connecting rod 303, frame 304 is fixed connecting rod 303 is terminal, and frame 304 around both ends all alternate and the swivelling joint have a pair of with spout 101 roll connection's gyro wheel 305, and the left end of the sealing block 402 is embedded and fixed with a second spring 403, firstly pulling the fixing device 300, because the frame 304 is in an i-shaped structure, and the front and rear ends of the frame 304 respectively extend to the front and rear sides in the sliding groove 101 to be clamped with the sliding groove 101, so that the fixing device 300 under the connecting rod 303 is driven to move to the orifice of the square tube 100 by the rolling of the roller 305 in the sliding groove 101 in the frame 304, then placing the camshaft tappet between the upper clamping ring 301 and the lower clamping ring 302, screwing the lower clamping ring 302 and the upper clamping ring 301 by a bolt, so that the camshaft tappet is fixed between the lower clamping ring 302 and the upper clamping ring 301, and thus when two air pipes 201 in the air cylinder 200 respectively suck or exhaust air, the air can be sprayed or sucked in the square tube 100 by using the connecting pipe 202, so that the camshaft tappet inside the square tube 100 is blown or sucked to move left and right by the roller 305, and then to impact the second spring 403 and the first spring 102 back, so that the piston is simulated to move back and forth to carry out the work of the abrasion test;

in the second embodiment, as shown in fig. 1-2, based on the first embodiment, the locking device 400 is fastened to the right end of the square pipe 100, and the locking device 400 includes a sealing block 402 and an inserting block 408 which are instantly adhered to the left end of the locking device 400, four corners of the right end of the locking device 400 are respectively provided with an inserting slot 405 penetrating through four corners of the right end of the square pipe 100, two upper and lower ends of the inserting slot 405 are respectively provided with a side slot 406, a left end of the inner wall of the inserting slot 405 is provided with an annular slot 407, the inserting block 408 is inserted and fastened inside the inserting slot 405, and two upper and lower ends of the inserting block 408 are respectively provided with a fastening block 409, after the locking device 400 is covered on the right end pipe opening of the square pipe 100, the pipe opening of the sealing block 402 is inserted, and the area of the sealing block 402 is equal to the area of the pipe opening of the right end of the square pipe 100, so that the inside of the square pipe, and the fixture block 409 is respectively connected with the side groove 406 in a sliding manner and clamped with the annular groove 407, so that after the inserting block 408 is inserted into the inserting groove 405, the fixture block 409 can slide along the side groove 406, and then after the inserting block 408 brings the fixture block 409 into the annular groove 407, the fixture block 409 is turned into the annular groove 407 to be clamped with the annular groove 407 by rotating the inserting block 408 clockwise for a half circle, so that the blocking device 400 is clamped with the square pipe 100, and the square pipe 100 can be blocked conveniently.

In the third embodiment, as shown in fig. 1, in addition to the first or second embodiment, a handle 401 is fixed to the right end of the locking device 400, and when a worker holds the handle 401, the worker can conveniently lift the locking device 400 to install the locking device through the handle 401.

In the fourth embodiment, as shown in fig. 1, based on the first or second embodiment, the damping ring 103 is connected to the right end of the first spring 102, the damping block 404 is connected to the left end of the second spring 403, and both the damping ring 103 and the damping block 404 are made of sponge, so that when the camshaft tappet impacts the first spring 102 and the second spring 403 back and forth, the camshaft tappet can impact the damping ring 103 and the damping block 404 respectively, the impact force of the camshaft tappet on the first spring 102 and the second spring 403 is reduced, and the service life of the first spring 102 and the second spring 403 is prolonged.

Claims

1. An abrasion test device of an engine camshaft tappet is characterized by comprising:

the square pipe (100) is provided with a closed end at the left end, the cylinder (200) is connected to the left end of the square pipe (100) through a bolt, two air conveying pipes (201) are communicated with the upper end of the cylinder (200), a connecting pipe (202) communicated with the cylinder (200) is connected to the right end of the cylinder (200), the tail end of the connecting pipe (202) penetrates through the square pipe (100) to be communicated with the inside of the square pipe (100), a sliding groove (101) in a concave structure is formed in the top end of the inner wall of the square pipe (100), and a first spring (102) is fixedly embedded in the left end of the inner;

the fixing device (300) is arranged in the middle of the inside of the square pipe (100), the fixing device (300) comprises an upper clamping ring (301), a lower clamping ring (302) and a frame (304), the upper clamping ring (301) is located above the lower clamping ring (302) and is in bolt connection with the lower clamping ring (302), a connecting rod (303) is vertically welded to the upper end of the upper clamping ring (301), the frame (304) is fixed to the tail end of the connecting rod (303), and the front end and the rear end of the frame (304) are both interpenetrated and are rotatably connected with a pair of rollers (305) in rolling connection with the sliding groove (101);

blockade device (400), blockade device (400) joint is in square pipe (100) right-hand member, and blockade device (400) include through the sticky joint in the twinkling of an eye sealed piece (402) and inserted block (408) of blockade device (400) left end, blockade device (400) right-hand member four corners has all been opened and has been link up slot (405) of square pipe (100) right-hand member four corners, and slot (405) upper and lower both ends have all been opened side groove (406), slot (405) inner wall left end is opened has ring channel (407), and inserted block (408) interlude joint is in inside slot (405) to both ends all are fixed with fixture block (409) about inserted block (408).

2. The wear test device for the engine camshaft tappet according to claim 1, wherein: the left end of the sealing block (402) is embedded and fixed with a second spring (403).

3. The wear test device for the engine camshaft tappet according to claim 1, wherein: frame (304) are I-shaped structure, just both ends extend to respectively around frame (304) around in spout (101) both sides with spout (101) joint.

4. The wear test device for the engine camshaft tappet according to claim 1, wherein: and a handle (401) is fixed at the right end of the locking device (400).

5. The wear test device for the engine camshaft tappet according to claim 1, wherein: the area of the sealing block (402) is equal to that of the orifice at the right end of the square pipe (100).

6. The wear test device for the engine camshaft tappet according to claim 2, characterized in that: the right end of the first spring (102) is connected with a damping ring (103), the left end of the second spring (403) is connected with a damping block (404), and the damping ring (103) and the damping block (404) are both made of sponge.

7. The wear test device for the engine camshaft tappet according to claim 1, wherein: the slot (405), the side groove (406) and the annular groove (407) are communicated, and the clamping block (409) is respectively connected with the side groove (406) in a sliding manner and clamped with the annular groove (407).