CN209570472U - A kind of pipe friction testing machine - Google Patents
A kind of pipe friction testing machine Download PDFInfo
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- CN209570472U CN209570472U CN201920146640.1U CN201920146640U CN209570472U CN 209570472 U CN209570472 U CN 209570472U CN 201920146640 U CN201920146640 U CN 201920146640U CN 209570472 U CN209570472 U CN 209570472U
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- sliding block
- cylinder head
- pressing means
- simulation cylinder
- testing machine
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Abstract
The utility model discloses a kind of pipe friction testing machines, tooling platform including being fixedly connected on platform end face, and it is mounted on the sliding rail on tooling platform, the tooling platform end face is equipped with simulation cylinder head, and the valve guide bushing for emulating friction test is installed in simulation cylinder head, the end face of the simulation cylinder head is provided with for applying stressed pressing means to it, the both ends of the sliding rail slidably connect respectively for being fixedly connected by the sliding block of test specimen, and are connected on a wherein sliding block for providing its Power Component to move reciprocatingly on the slide rail.The utility model applies lateral force to simulation cylinder head by pressing means, it ensure that each section of valve guide bushing of uniform force, the experimental precision of this kind of testing machine greatly improves simultaneously, experiment can reflect the wear-resisting property of conduit material strictly according to the facts, and matching superiority and inferiority between valve guide bushing and valve stem, reliable data foundation is provided to be adapted to optimal valve stem, and this kind of testing machine is stable, noise is lower.
Description
Technical field
The utility model relates to conduit detection technique field, specially a kind of pipe friction testing machine.
Background technique
Existing pipe friction testing machine itself haves the defects that certain and deficiency, the lateral force being subject to due to simulation cylinder head
Unevenly, cause the oil sealing side, centre, the abrasion loss deviation of combustion chamber side of testing rear tube exemplar very big；And experimentation
In temperature-controllable difference lead to the temperature difference of testpieces part so that experimental data generates deviation, experiment accuracy is poor.How to solve
Certainly existing technical problem simultaneously provides the highly efficient testing machine of one kind into designer's urgent problem.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of pipe friction testing machine
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of pipe friction testing machine, including fixation
It being connected to the tooling platform of platform end face, and the sliding rail being mounted on tooling platform, the tooling platform end face is equipped with simulation cylinder head,
And valve guide bushing for emulating friction test is installed in simulation cylinder head, the end face of the simulation cylinder head be provided with for
It applies stressed pressing means, and the both ends of the sliding rail are slidably connected respectively for being fixedly connected by the sliding block of test specimen, and
It is connected on one of sliding block for providing its Power Component to move reciprocatingly on the slide rail, is equipped on the tooling platform
For heating the heating component of valve guide bushing.
The sliding block includes the first sliding block and the second sliding block, is equipped on first sliding block for clamping by test specimen one
The first valve rod chucking appliance at end, second sliding block are equipped with for clamping by the duaspiracle rod chucking appliance of the test specimen other end, institute
It states the first sliding block and the second sliding block is disposed as L-shaped structure, and bottom is provided with the sliding slot for being slidably connected on the slide rail.
The Power Component includes motor and connecting rod, and the motor branch for being fixedly connected with motor is equipped on the platform
Support, the output end of the motor are equipped with the camshaft for being rotatablely connected connecting rod, the other end rotation connection of the connecting rod
In the horizontal end face of the first sliding block.
The contact surface of the pressing means and simulation cylinder head is provided for opening with the semicircle that simulation cylinder head surface fits closely
One end of mouth structure, the pressing means is rotatably connected on tooling platform, and the other end of the pressing means is rotatably connected to connection rod set
Part, and the other end of link assembly is equipped with for providing the pressure block of pressure to pressing means.
The pressing means apply lateral force vertically downward to simulation cylinder head.
As shown from the above technical solution, the utility model applies lateral force to simulation cylinder head by pressing means, ensure that gas
The uniform force of each section of conduit of door, while the experimental precision of this kind of testing machine greatly improves, experiment can reflect conduit strictly according to the facts
Matching superiority and inferiority between the wear-resisting property and valve guide bushing and valve stem of material provides reliably to be adapted to optimal valve stem
Data foundation, and this kind of testing machine is stable, and noise is lower.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side view；
Fig. 3 is the utility model top view；
Fig. 4 is the utility model valve stem side sectional view.
In figure: 1 motor, 2 tooling platforms, 3 pressure blocks, 4 connecting rods, 5 platforms, 6 sliding rails, 7 first valve rod chucking appliances, 8 first are slided
Block, 9 valve guide bushings, 10 simulation cylinder heads, 11 pressing means, 12 valve stems, 13 duaspiracle rod chucking appliances, 14 second sliding blocks, 15 heating
Component, 16 link assemblies.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
A kind of pipe friction testing machine as shown in Figs 1-4, the tooling platform 2 including being fixedly connected on 5 end face of platform, and
The sliding rail 6 being mounted on tooling platform 2,2 end face of tooling platform is equipped with simulation cylinder head 10, and is equipped in simulation cylinder head 10
For emulating the valve guide bushing 9 of friction test, the end face of the simulation cylinder head 10 is provided with for applying stressed pressurization to it
Part 11, the both ends of the sliding rail 6 are slidably connected respectively for being fixedly connected by the sliding block of test specimen, and wherein on a sliding block
It is connected with for providing its Power Component to move reciprocatingly on sliding rail 6, valve is set as by test specimen described in the present embodiment
Bar 12, the sliding block include the first sliding block 8 and the second sliding block 14, are equipped on first sliding block 8 for clamping by test specimen
The first valve rod chucking appliance 7 of one end, second sliding block 14 are equipped with for clamping by the duaspiracle bar cramp of the test specimen other end
Tool 13, first sliding block 8 and the second sliding block 14 are disposed as L-shaped structure, and bottom is provided with for being slidably connected at sliding rail 6
On sliding slot；Heating component 15 for heating valve guide bushing 9 is installed, heating component 15 is heat source dress on the tooling platform 2
It sets, for providing different tests demand temperature to valve guide bushing 9.
Further, the Power Component includes motor 1 and connecting rod 4, is equipped on the platform 5 for being fixedly connected
The motor support frame of motor 1, the output end of the motor 1 are equipped with the camshaft for being rotatablely connected connecting rod 4, the connecting rod 4
The other end be rotatably connected on the horizontal end face of the first sliding block 8, when motor 1 rotates and drives cam axle, can to connect
Bar 4 drives the first sliding block 8 to move reciprocatingly along the orbital direction of sliding rail 6, since the second sliding block 14 is equally slidably connected at cunning
On rail 6, will be driven while the first sliding block 8 moves reciprocatingly the second sliding block 14 do done along the orbital direction of sliding rail 6 it is past
Multiple to move, valve stem 12 can move back and forth in the cavity of valve guide bushing 9 and occur with the inner wall of valve guide bushing 9 in motion process
Friction can make valve stem 12 be come from reciprocatory movement when 11 pairs of simulation cylinder heads 10 of pressing means apply pressure
The lateral pressure for simulating cylinder head 10, different according to the set pressure value for applying pressing means 11, valve stem 12 will receive different
Pressure testing detection, the present embodiment preferably use the lateral force of pressing means 11 vertically downward to the application of simulation cylinder head 10, while simultaneously
It is not limited specifically applies stressed direction and size, it during atual detection can be according to test demand and unlike material
Valve guide bushing 9 and valve stem 12 apply the pressure of different numerical value to it.
Further, the contact surface of the pressing means 11 and simulation cylinder head 10 is provided for tight with simulation 10 surface of cylinder head
One end of the semicircular opening structure of closely connected conjunction, the pressing means 11 is rotatably connected on tooling platform 2, the pressing means 11 it is another
End is rotatably connected to link assembly 16, and the other end of link assembly 16 is equipped with for providing the pressure of pressure to pressing means 11
Block 3 is equipped with the baffle being fixedly connected on platform 5 in the side of link assembly 16, is using for placing link assembly 16
Offset or transmission instability problem are sent out into the process；The preferred pressure block 3 of the present embodiment applies pressing means 11 by link assembly 16
Plus-pressure, such pressure method save cost the most, reach increase pressurization by the pressure block 3 that every group of experiment increases different weight
The effect of 11 pressure of part, it is easy to operate, while link assembly 16 is traditional link mechanism, only as transmission pressurization, this implementation
Example does not limit the device for exerting that specifically connect with pressing means 11, can also select more that accurately hydraulic rod piece connects pressing means
11 and pressure is provided for it.
This kind of pipe friction testing machine includes following detecting step:
Step 1 measures the internal diameter of valve guide bushing 9 and the outer diameter by test specimen, and records data；
Step 2 will pass through valve guide bushing 9 by test specimen, and its both ends will be fixedly connected on sliding block；
Step 3 sets 1 revolving speed of motor, 11 pressure of 15 temperature of heating component and pressing means, applies to simulation cylinder head 10 and makees
Firmly, start Power Component and carry out 5-10 hours friction tests to by test specimen；
Step 4, the internal diameter of valve guide bushing 9 and the outer diameter by test specimen after measurement test, and data are recorded, obtain abrasion loss；
Step 5 evaluates valve guide bushing 9 and the polishing machine by test specimen, while can be according to phase after battery of tests
Same method detects next valve stem 12, can apply according to different valve guide bushings 9 and 12 material of valve stem to it
Add different pressures, and its wear-resisting property is evaluated according to the abrasion loss of each group of valve guide bushing 9 and valve stem 12 and completes test report.
The inner hole by valve guide bushing 9 is needed to be processed into the size to match with its outer diameter before installing to valve stem 12, so as to
Valve stem 12 can smoothly slide in 9 inner hole of valve guide bushing.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (5)
1. a kind of pipe friction testing machine, including being fixedly connected on the tooling platform (2) of platform (5) end face, and it is mounted on tooling
Sliding rail (6) on platform (2), it is characterised in that: tooling platform (2) end face is equipped with simulation cylinder head (10), and in simulation cylinder head
(10) valve guide bushing (9) for emulating friction test is installed in, the end face of simulation cylinder head (10) be provided with for
It is applied stressed pressing means (11), and the both ends of the sliding rail (6) are slidably connected respectively for being fixedly connected by the cunning of test specimen
Block, and be connected on a sliding block for providing its Power Component to move reciprocatingly on sliding rail (6), the tooling wherein
Heating component (15) for heating valve guide bushing (9) is installed on platform (2).
2. a kind of pipe friction testing machine according to claim 1, it is characterised in that: the sliding block includes the first sliding block
(8) and the second sliding block (14) it, is equipped on first sliding block (8) for clamping by the first valve rod chucking appliance of test specimen one end
(7), second sliding block (14) is equipped with sliding by the duaspiracle rod chucking appliance (13) of the test specimen other end, described first for clamping
Block (8) and the second sliding block (14) are disposed as L-shaped structure, and bottom is provided with the sliding slot for being slidably connected on sliding rail (6).
3. a kind of pipe friction testing machine according to claim 2, it is characterised in that: the Power Component includes motor
(1) and connecting rod (4) motor support frame for being fixedly connected with motor (1), is installed on the platform (5), the motor (1)
Output end is equipped with the camshaft for being rotatablely connected connecting rod (4), and the other end of the connecting rod (4) is rotatably connected on the first sliding block
(8) horizontal end face.
4. a kind of pipe friction testing machine according to claim 1, it is characterised in that: the pressing means (11) and simulation cylinder
The contact surface of head (10) is provided for the semicircular opening structure fitted closely with simulation cylinder head (10) surface, the pressing means
(11) one end is rotatably connected on tooling platform (2), and the other end of the pressing means (11) is rotatably connected to link assembly (16),
And the other end of link assembly (16) is equipped with for providing the pressure block (3) of pressure to pressing means (11).
5. a kind of pipe friction testing machine according to claim 1, it is characterised in that: the pressing means (11) to simulation cylinder
Head (10) applies lateral force vertically downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920146640.1U CN209570472U (en) | 2019-01-23 | 2019-01-23 | A kind of pipe friction testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920146640.1U CN209570472U (en) | 2019-01-23 | 2019-01-23 | A kind of pipe friction testing machine |
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| Publication Number | Publication Date |
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| CN209570472U true CN209570472U (en) | 2019-11-01 |
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ID=68333406
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920146640.1U Active CN209570472U (en) | 2019-01-23 | 2019-01-23 | A kind of pipe friction testing machine |
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| CN (1) | CN209570472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655361A (en) * | 2019-01-23 | 2019-04-19 | 安庆帝伯粉末冶金有限公司 | A kind of pipe friction testing machine |
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2019
- 2019-01-23 CN CN201920146640.1U patent/CN209570472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655361A (en) * | 2019-01-23 | 2019-04-19 | 安庆帝伯粉末冶金有限公司 | A kind of pipe friction testing machine |
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