CN206161433U - Assembly pulley formula pneumatic cylinder loading test device - Google Patents
Assembly pulley formula pneumatic cylinder loading test device Download PDFInfo
- Publication number
- CN206161433U CN206161433U CN201621188492.2U CN201621188492U CN206161433U CN 206161433 U CN206161433 U CN 206161433U CN 201621188492 U CN201621188492 U CN 201621188492U CN 206161433 U CN206161433 U CN 206161433U
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- CN
- China
- Prior art keywords
- hydraulic cylinder
- running block
- wire rope
- fixed pulley
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an assembly pulley formula pneumatic cylinder loading test device, including the base, adjacent fixed be provided with mounting bracket and heavy object crane boom on the base, fixed mounting has the pneumatic cylinder of being tested in the mounting bracket, is connected with running block I in the tailpiece of the piston rod cephalad of pneumatic cylinder, and the cylinder body below of pneumatic cylinder is fixed and is provided with standing block I, surface mounting has standing block II under heavy object crane boom's the roof, and standing block II below is provided with running block II, and running block II has hung the heavy object downwards, being provided with wire rope's fixed point I on the base, being provided with fixed point II at heavy object crane boom's roof lower surface, wire rope from fixed point I draws forth walks around running block I, standing block I, standing block II, running block II in proper order, and wire rope's end ends in fixed point II. The utility model has the advantages of simple structure, the reliable operation.
Description
Technical field
The utility model belongs to mechanical equipment technical field, is related to a kind of assembly pulley formula hydraulic cylinder load testing machine.
Background technology
According to GB GB/T 15622《Hydraulic cylinder test method》Requirement, the hydraulic cylinder of coming of new need to carry out weight simulation
Load test, to check the performance of hydraulic cylinder.At present, hydraulic cylinder weight simulation loading test adopts lever as shown in Figure 1
Hydraulic cylinder experimental rig, during test to increase and decrease weight in the way of loading to hydraulic cylinder；Simultaneously whole experimental rig is adopted
Lever principle, reduces the weight weight using institute's counterweight.
Lever type hydraulic cylinder experimental rig can substantially realize the loading procedure of hydraulic cylinder, but the principle using lever can not keep away
That what is exempted from has following two aspects shortcoming：One, be test for hydraulic cylinder in loading procedure around connecting seat I rotate, loading arm is to liquid
The direction of the active force of cylinder pressure is continually changing, and so as to cause the loading force of hydraulic cylinder uneven, have impact on loading accuracy.Hydraulic cylinder
Stroke it is longer, loading arm is bigger around the anglec of rotation of connecting seat I, and the hydraulic cylinder loading force deviation for causing is bigger；Two, lever
Formula experimental rig, in order to reduce using the weight of counterweight, typically by loading arm do it is longer, and experimental rig is subject to very big
Tilting moment so that experimental rig overall volume is larger, in order to balance tilting moment, experimental rig will also be connected with basis can
Lean on.
Utility model content
The purpose of this utility model is to provide a kind of assembly pulley formula hydraulic cylinder load testing machine, solves existing employing thick stick
In rod-type hydraulic cylinder experimental technique, the uneven problem of the loading force of hydraulic cylinder.
The technical scheme that the utility model is adopted is, a kind of assembly pulley formula hydraulic cylinder load testing machine, including base,
It is adjacent on base to be fixedly installed installing rack and weight crane boom；It is installed with installing rack and is test for hydraulic cylinder, liquid
The piston rod end of cylinder pressure is connected upwards with running block I, and the cylinder body lower section of hydraulic cylinder is fixedly installed fixed pulley group I；Weight
The top board lower surface of crane boom is provided with fixed pulley group II, and fixed pulley group II lower section is provided with running block II, running block II
Weight is hung with downwards；
The fixing point I of steel wire rope is provided with base, the top board lower surface of weight crane boom is provided with fixing point II,
From the steel wire rope that fixing point I draws, running block I, fixed pulley group I, fixed pulley group II, running block II, steel wire are bypassed successively
The end of rope terminates in fixing point II.
Assembly pulley formula hydraulic cylinder load testing machine of the present utility model, is further characterized in that：
The wire rope handling mode of steel wire rope is using along wearing or fancy wears method.
The beneficial effects of the utility model are,
1) compared with traditional lever charger, it is test for hydraulic cylinder and moves without spin in process of the test, only
Straight reciprocating motion is carried out, its loading force direction does not change in process of the test, and loading force is uniform.In specified pressure
Under, the oil cylinder speed of service error measured is little.
2) by the actuating system being made up of assembly pulley, the weight of weight needed for test is reduced.
3) assembly pulley formula experimental rig construction tightly promotees, and whole experimental rig does not receive tilting moment, compare with it is traditional
Lever charger, required test site is less.
Description of the drawings
Fig. 1 is the lever type hydraulic cylinder experimental rig structural representation of prior art；
Fig. 2 is the utility model assembly pulley formula hydraulic cylinder experimental rig structural representation；
Fig. 3 is the actuating system schematic diagram of the utility model assembly pulley formula hydraulic cylinder experimental rig.
In figure, 1. connecting seat I, 2. connecting seat II, 3. hydraulic cylinder, 4. loading arm, 5. weight, 6. base, 7. running block
I, 8. installing rack, 9. weight crane boom, 10. fixed pulley group I, 11. fixed pulley groups II, 12. fixed pulley groups II, 13. steel wire ropes,
14. fixing point I, 15. fixing point II.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
With reference to Fig. 1, prior art hydraulic cylinder weight simulation loading test structure is, including the connecting seat being arranged on pedestal
I 1, connecting seat II 2, connecting seat I 1 is hinged with the one end of loading arm 4, and the other end of loading arm 4 is used to install weight 5；Loading arm 4
Middle part be test for the piston rod end of hydraulic cylinder 3 and be hinged, the cylinder body of hydraulic cylinder 3 is hinged with connecting seat II 2.Increasing and decreasing during test
The mode of weight 5 to hydraulic cylinder 3 loading.
With reference to Fig. 2, Fig. 3, structure of the present utility model is, including base 6, adjacent on base 6 to be fixedly installed installation
Frame 8 and weight crane boom 9；Be installed with installing rack 8 and be test for hydraulic cylinder 3, the piston rod end of hydraulic cylinder 3 upwards with
Running block I7 connects, and the cylinder body lower section of hydraulic cylinder 3 is fixedly installed fixed pulley group I10；The top board lower surface of weight crane boom 9
Fixed pulley group II11 is installed, fixed pulley group II11 lower section is provided with running block II12, and running block II12 is hung with downwards
Weight 5；
The fixing point I14 of steel wire rope 13 is provided with base 6, is provided with the top board lower surface of weight crane boom 9 solid
Fixed point II15, from the steel wire rope 13 that fixing point I14 draws, bypasses successively running block I7, fixed pulley group I10, fixed pulley group
II11, running block II12, the end of steel wire rope 13 terminates in fixing point II15.
As shown in figure 3, running part is using two groups of dynamic-fixed pulley groups, wherein running block I7 is constituted with fixed pulley group I10
A set of dynamic-fixed pulley saves Force system, it is therefore an objective under the identical thrust of hydraulic cylinder 3, the stress of steel wire rope 13 is reduced, while being easy to subtract
The weight of few weight 5.Fixed pulley group II11 constitutes second set of dynamic-fixed pulley system with running block II12, acts primarily as reduction weight
The stroke of thing 5 and guide effect.Each above-mentioned assembly pulley can also as needed select other different rope systems to combine.
The wire rope handling mode of steel wire rope 13 is using along wearing or fancy wears method.
Operation principle of the present utility model is,
With reference to Fig. 2, hydraulic cylinder 3 will be test for and be arranged in installing rack 8, seat board and the installation of fixed pulley group I10 base
Frame 8 welds together, and the cylinder body of hydraulic cylinder 3 is connected with the base of fixed pulley group I10, the piston rod end of hydraulic cylinder 3 with it is dynamic
Assembly pulley I7 is connected.Running block I7 saves Force system with a set of dynamic-fixed pulley of fixed pulley group I10 composition, it is therefore an objective in hydraulic cylinder 3
Under identical thrust, the stress of steel wire rope 13 is reduced, while being easy to reduce the weight of weight 5.Fixed pulley group II11 and running block
A set of dynamic-fixed pulley the system of II12 compositions, is easy to the lifting of weight 5.
During test, weight 5 is connected on running block II12, the flexible drive running block I7 of the piston rod of hydraulic cylinder 3
Move up and down, by actuating system weight 5 lifted or transferred, be test for hydraulic cylinder 3 and move without spin in process of the test,
Straight reciprocating motion is only carried out, its loading force direction does not change in process of the test, and loading force is uniform.
The course of work of the present utility model is：
Step 1：Hydraulic cylinder 3 will be test for load in installing rack 8, the oil inlet and oil return mouth of hydraulic cylinder 3 is connected with Hydraulic Station, opens
Open hydraulic pressure Station Readiness Test.
Step 2：According to the magnitude of load N for being test for hydraulic cylinder 3, weight M of weight 5, computational methods are calculated：M=N/
N, wherein n are the wiring number on running block I7.The steel wire hang of weight 5 is on running block II12.
Step 3：The control piston rod of hydraulic cylinder 3 stretches out or retracts, and weight 5 is sling or fallen, and proceeds by hydraulic cylinder 5
Load test.
Claims (2)
1. a kind of assembly pulley formula hydraulic cylinder load testing machine, it is characterised in that：It is adjacent solid on base (6) including base (6)
Surely installing rack (8) and weight crane boom (9) are provided with；It is installed with installing rack (8) and is test for hydraulic cylinder (3), hydraulic pressure
The piston rod end of cylinder (3) is connected upwards with running block I (7), and the cylinder body lower section of hydraulic cylinder (3) is fixedly installed fixed pulley group
I(10)；The top board lower surface of weight crane boom (9) is provided with fixed pulley group II (11), and fixed pulley group II (11) lower section is provided with
Running block II (12), running block II (12) is hung with downwards weight (5)；
The fixing point I (14) of steel wire rope (13) is provided with base (6), is arranged in the top board lower surface of weight crane boom (9)
There is fixing point II (15), from the steel wire rope (13) that fixing point I (14) draws, running block I (7), fixed pulley group I are bypassed successively
(10), fixed pulley group II (11), running block II (12), the end of steel wire rope (13) terminates in fixing point II (15).
2. assembly pulley formula hydraulic cylinder load testing machine according to claim 1, it is characterised in that：Described steel wire rope
(13) wire rope handling mode is using along wearing or fancy wears method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188492.2U CN206161433U (en) | 2016-11-04 | 2016-11-04 | Assembly pulley formula pneumatic cylinder loading test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188492.2U CN206161433U (en) | 2016-11-04 | 2016-11-04 | Assembly pulley formula pneumatic cylinder loading test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161433U true CN206161433U (en) | 2017-05-10 |
Family
ID=58655954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621188492.2U Expired - Fee Related CN206161433U (en) | 2016-11-04 | 2016-11-04 | Assembly pulley formula pneumatic cylinder loading test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161433U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327445A (en) * | 2017-08-29 | 2017-11-07 | 长治清华机械厂 | Large-stroke multistage lifting hydraulic cylinder counterweight load test technological equipment |
| CN107764645A (en) * | 2017-10-09 | 2018-03-06 | 中国矿业大学 | A kind of experimental rig of large scale clay high pressure consolidation |
| CN111498143A (en) * | 2020-05-13 | 2020-08-07 | 中国飞机强度研究所 | Weight deducting device and weight deducting method thereof |
| CN113155433A (en) * | 2021-04-30 | 2021-07-23 | 安徽博微长安电子有限公司 | Leveling leg dynamic loading testing arrangement |
-
2016
- 2016-11-04 CN CN201621188492.2U patent/CN206161433U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327445A (en) * | 2017-08-29 | 2017-11-07 | 长治清华机械厂 | Large-stroke multistage lifting hydraulic cylinder counterweight load test technological equipment |
| CN107764645A (en) * | 2017-10-09 | 2018-03-06 | 中国矿业大学 | A kind of experimental rig of large scale clay high pressure consolidation |
| CN111498143A (en) * | 2020-05-13 | 2020-08-07 | 中国飞机强度研究所 | Weight deducting device and weight deducting method thereof |
| CN113155433A (en) * | 2021-04-30 | 2021-07-23 | 安徽博微长安电子有限公司 | Leveling leg dynamic loading testing arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20211104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |