CN108240903A - A kind of chain block braking performance tester and its application method - Google Patents
A kind of chain block braking performance tester and its application method Download PDFInfo
- Publication number
- CN108240903A CN108240903A CN201711313241.1A CN201711313241A CN108240903A CN 108240903 A CN108240903 A CN 108240903A CN 201711313241 A CN201711313241 A CN 201711313241A CN 108240903 A CN108240903 A CN 108240903A
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- tensiometer
- chain block
- hydraulic cylinder
- reading
- control box
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of chain block braking performance tester and its application methods, belong to shipbuilding technical field.The device includes test frame, tensiometer and hydraulic system, the test frame includes crossbeam, bottom plate, first column and the second column, the upper end of first column and the upper end of the second column are fixedly connected respectively with the both ends of crossbeam, the lower end of first column and the lower end of the second column are fixedly connected respectively with the both ends of plate upper surface, the first lifting lug is equipped with below the middle part of the crossbeam, the upper end of the tensiometer is connect with lifting lug, the hydraulic system includes hydraulic cylinder, the hydraulic cylinder is vertically set on the upper surface of bottom plate, the piston rod of the hydraulic cylinder is equipped with the second lifting lug, the cylinder body of the hydraulic cylinder is fixedly connected with the upper surface of bottom plate.The device carries out chain block by hydraulic system and tensiometer the test of braking ability, saves time and manpower, improves measuring accuracy.
Description
Technical field
The invention belongs to shipbuilding technical field, more particularly to a kind of chain block braking performance tester and its
Application method.
Background technology
Bottle gouard moved by hands drives bangle wheel to rotate by dropping manual-chain, by the way that friction plate ratchet and brake seat are pressed into
It integrally rotates jointly, tooth long axis just rotates plate gear, tooth short axle and splined hole gear.In this way, rising on splined hole gear
Heavy chain wheel just drives hoisting chain, and load is smoothly promoted in place.Bottle gouard moved by hands uses ratchet friction disk type one-way brake,
When stop promoted load when, can automatic brake, prevent load drop.Upgrade version of the bottle gouard moved by hands as fixed pulley, it is main to use
It is allocated and transported in the short distance of mini-plant and cargo, since its is easy to operate, easy to carry, in the cutting of shipbuilding enterprise
Each occasions such as processing, logistics distribution, the vertical welding equipment of group are all widely used.
However, since shipbuilding field working conditions are complex, specifically used phenomena such as being pounded there is also throwing, often there is life of making moist
Therefore the failures such as rust, corrosion and brake failure, have a large amount of bottle gouard moved by hands to need to safeguard and overhaul every year.In order to save
Maintenance cost shortens maintenance cycle, and majority company, which carries out, at present reviews one's lessons by oneself maintenance and repair work, and dismounts manual after repair
Cucurbit is both needed to carry out braking performance test for safety, cumbersome and time consuming by manually testing.
Invention content
For the deficiencies in the prior art, the object of the present invention is to provide a kind of chain block braking performance test dresses
It puts and its application method, time-consuming and laborious and test result is inaccurate during for solving the problems, such as chain block braking performance test.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of chain block braking performance tester, including test frame, tensiometer and hydraulic system, the test frame packet
Include crossbeam, bottom plate, the first column and the second column, the upper end of first column and the upper end of the second column respectively with crossbeam
Both ends are fixedly connected, and the lower end of first column and the lower end of the second column are fixed with the both ends of plate upper surface connect respectively
It connects, the first lifting lug is equipped with below the middle part of the crossbeam, the upper end of the tensiometer is connect with the first lifting lug, the hydraulic system
Including hydraulic cylinder, the hydraulic cylinder is vertically set on the upper surface of bottom plate, and the piston rod of the hydraulic cylinder is hung equipped with second
Ear, the cylinder body of the hydraulic cylinder are fixedly connected with the upper surface of bottom plate.
Preferably, the hydraulic system further includes hydraulic oil container, hydraulic pump, reversal valve and controller, the hydraulic pump
Entrance is connected with hydraulic oil container by inlet duct, and the outlet of the hydraulic pump is connected with reversal valve by outlet conduit,
The outlet conduit is equipped with check valve, and the outlet conduit is connected with hydraulic oil container by overflow pipe, on the overflow pipe
Equipped with overflow valve, the reversal valve is connected with hydraulic cylinder by pipeline, and the reversal valve passes through oil returning tube with hydraulic oil container
It is connected, the hydraulic oil container is located on bottom plate, and the hydraulic pump is located at the top of hydraulic oil container, the reversal valve and hydraulic pump
It is connect with controller by signal wire.
Preferably, the reversal valve is three position four-way directional control valve.
Preferably, the side of first column is equipped with control box, and the controller is mounted in control box.
Preferably, the tensiometer is connect with the first lifting lug by the first shackle, and the lower end of the tensiometer is equipped with second
Shackle.
Preferably, the upper surface of the bottom plate is equipped with rubber pad.
A kind of application method of chain block braking performance tester, includes the following steps：
Step 1: " switch " knob of control box is threaded to starting state, start hydraulic pump, " rising " for pressing control box is pressed
Button makes the piston rod of hydraulic cylinder stretch out the cylinder body of hydraulic cylinder, unclamps " rising " button of control box；
Step 2: the hook of chain block is connect with the second shackle, the lower suspension hook of chain block is connect with the second lifting lug；
Step 3: pressing " decline " button of control box, the piston rod of hydraulic cylinder is made to bounce back into the cylinder body of hydraulic cylinder, is seen simultaneously
The reading of tensiometer is examined, when the reading variation of tensiometer is the 25% of chain block nominal load, is unclamped " decline " of control box
Button, the piston rod of hydraulic cylinder stop retraction, stand one hour, the reading of tensiometer are observed, if the reading of tensiometer becomes
Change, then the braking ability of the chain block is bad, if the reading of tensiometer does not change, continues to test；
Step 4: pressing " decline " button of control box, the piston rod of hydraulic cylinder is made to bounce back into the cylinder body of hydraulic cylinder, is seen simultaneously
Examine the reading of tensiometer, when tensiometer reading variation for chain block nominal load 100% when, unclamp control box " under
Drop " button, the piston rod of hydraulic cylinder stop retraction, stand one hour, observe the reading of tensiometer, if the reading of tensiometer occurs
Variation, then the braking ability of the chain block is bad, if the reading of tensiometer does not change, continues to test；
Step 5: pressing " decline " button of control box, the piston rod of hydraulic cylinder is made to bounce back into the cylinder body of hydraulic cylinder, is seen simultaneously
Examine the reading of tensiometer, when tensiometer reading variation for chain block nominal load 125% when, unclamp control box " under
Drop " button, the piston rod of hydraulic cylinder stop retraction, stand one hour, observe the reading of tensiometer, if the reading of tensiometer occurs
Variation, then the braking ability of the chain block is bad, if the reading of tensiometer does not change, the braking ability of chain block
Well；
Step 6: pressing " rising " button of control box, when the registration of tensiometer is the weight of chain block, control box is unclamped
" rising " button, chain block is removed, test process terminates.
In the application method, 25%, 100% and the 125% of chain block rated load is measured successively, it is small by standing 1
Shi Hou observes the reading of tensiometer, analyzes and determines the braking ability of chain block.
The beneficial effects of the invention are as follows：The plant automation degree is high, and hydraulic system is controlled by controller, and
The test of braking ability is carried out to chain block, saves manpower；The piston rod stroke of hydraulic cylinder is stablized, opponent in test process
The friction plate ratchet and brake seat for drawing cucurbit can form effective protection；The active force that hydraulic cylinder is capable of providing is larger, can be with
The chain block larger to bearing capacity carries out braking performance test, and the scope of application is wider；It is right during the test by tensiometer
The power acted on chain block is monitored, and can improve the precision of chain block braking performance test；The upper surface of bottom plate
Rubber sheet gasket is laid with, it is possible to prevente effectively from the frictionally damage of counterweight and chain block to plate upper surface.
Description of the drawings
Fig. 1 is chain block braking performance tester overall structure diagram of the present invention.
Fig. 2 is chain block braking performance tester hydraulic system structure schematic diagram of the present invention.
In Fig. 1 and Fig. 2：1 is tensiometer, 2 is crossbeam, 3 is bottom plate, 4 be the first column, and 5 be the second column, and 6 be first
Lifting lug, 7 be hydraulic cylinder, and 8 be the second lifting lug, and 9 be hydraulic oil container, and 10 be hydraulic pump, and 11 be reversal valve, and 12 be check valve, and 13 are
Overflow valve, 14 boxes in order to control, 15 be the first shackle, and 16 be the second shackle.
Specific embodiment
To chain block braking performance tester of the present invention and its make with specific case study on implementation below in conjunction with the accompanying drawings
It is further elaborated with method, in the hope of being more fully apparent from expresses the structure feature and concrete application of the present invention, but
It is not intended to limit the protection scope of the present invention.
Embodiment：As depicted in figs. 1 and 2, a kind of chain block braking performance tester, including test frame, pulling force
Meter 1 and hydraulic system, the test frame include crossbeam 2, bottom plate 3, the first column 4 and the second column 5, first column 4
Upper end and both ends of the upper end respectively with crossbeam 2 of the second column 5 be fixedly connected, the lower end of first column 4 and second vertical
Both ends of the lower end of column 5 respectively with 3 upper surface of bottom plate are fixedly connected, and the first lifting lug 6, institute are equipped with below the middle part of the crossbeam 2
The upper end for stating tensiometer 1 is connect with the first lifting lug 6, and the hydraulic system includes hydraulic cylinder 7, and the hydraulic cylinder 7 is vertically set on
On the upper surface of bottom plate 3, the piston rod of the hydraulic cylinder 7 is equipped with the second lifting lug 8, cylinder body and the bottom plate 3 of the hydraulic cylinder 7
Upper surface is fixedly connected.
In the present embodiment, the hydraulic system further includes hydraulic oil container 9, hydraulic pump 10, reversal valve 11 and controller, described
The entrance of hydraulic pump 10 is connected with hydraulic oil container 9 by inlet duct, and outlet and the reversal valve 11 of the hydraulic pump 10 pass through
Outlet conduit is connected, and the outlet conduit is equipped with check valve 12, and the outlet conduit passes through overflow pipe phase with hydraulic oil container 9
Connection, the overflow pipe are equipped with overflow valve 13, and the reversal valve 11 is connected with hydraulic cylinder 7 by pipeline, the reversal valve
11 are connected with hydraulic oil container 9 by oil returning tube, and the hydraulic oil container 9 is located on bottom plate 3, and the hydraulic pump 10 is located at hydraulic pressure
The top of fuel tank 9, the reversal valve 11 and hydraulic pump 10 are connect with controller by signal wire；The reversal valve 11 is three
Four-way reversing valve；The side of first column 4 is equipped with control box 14, and the controller is mounted in control box 14；The drawing
Power meter 1 is connect with the first lifting lug 6 by the first shackle 15, and the lower end of the tensiometer 1 is equipped with the second shackle 16；The bottom plate 3
Upper surface be equipped with rubber pad.
By controller, the start and stop of hydraulic pump 10 and the commutation of reversal valve 11 can be controlled, so as to control the dynamic of hydraulic cylinder 7
Make.The upper surface of bottom plate 3 is laid with rubber sheet gasket, it is possible to prevente effectively from counterweight and chain block cause to rub to the upper surface of bottom plate 3
It wears wound, protection is formed to the upper surface of bottom plate 3.
In the control box 14 be equipped with " switch " knob, " switch " knob by controller control hydraulic pump 10 unlatching with
It closes, the control box 14 is equipped with " rising " button, and " rising " button controls reversal valve 11 by controller, so as to control liquid
The piston rod of cylinder pressure 7 stretches out the cylinder body of hydraulic cylinder 7 upwards, and the control box 14 is equipped with " decline " button, and " decline " button leads to
Controller control reversal valve 11 is crossed, so as to control the cylinder body that hydraulic cylinder 7 is piston rod retraction hydraulic cylinder 7 downwards.
A kind of application method of chain block braking performance tester, includes the following steps：
Step 1: " switch " knob of control box 14 is threaded to starting state, start hydraulic pump 10, press control box 14 " on
Rise " button, the piston rod of hydraulic cylinder 7 is made to stretch out the cylinder body of hydraulic cylinder 7, unclamps " rising " button of control box 14；
Step 2: the hook of chain block is connect with the second shackle 16, the lower suspension hook of chain block and the second lifting lug 8 are connected
It connects；
Step 3: pressing " decline " button of control box 14, the piston rod of hydraulic cylinder 7 is made to bounce back into the cylinder body of hydraulic cylinder 7, together
When observe tensiometer 1 reading, when tensiometer 1 reading variation for chain block nominal load 25% when, unclamp control box 14
" decline " button, the piston rod of hydraulic cylinder 7 stops retraction, stands one hour, observe the reading of tensiometer 1, if tensiometer 1
Reading changes, then the braking ability of the chain block is bad, if the reading of tensiometer 1 does not change, continues to test；
Step 4: pressing " decline " button of control box 14, the piston rod of hydraulic cylinder 7 is made to bounce back into the cylinder body of hydraulic cylinder 7, together
When observe tensiometer 1 reading, when tensiometer 1 reading variation for chain block nominal load 100% when, unclamp control box
14 " decline " button, the piston rod of hydraulic cylinder 7 stop retraction, stand one hour, the reading of tensiometer 1 are observed, if tensiometer 1
Reading change, then the braking ability of the chain block is bad, if the reading of tensiometer 1 does not change, continues to survey
Examination；
Step 5: pressing " decline " button of control box 14, the piston rod of hydraulic cylinder 7 is made to bounce back into the cylinder body of hydraulic cylinder 7, together
When observe tensiometer 1 reading, when tensiometer 1 reading variation for chain block nominal load 125% when, unclamp control box
14 " decline " button, the piston rod of hydraulic cylinder 7 stop retraction, stand one hour, the reading of tensiometer 1 are observed, if tensiometer 1
Reading change, then the braking ability of the chain block is bad, if the reading of tensiometer 1 does not change, pulls calabash
The braking ability of reed is good；
Step 6: pressing " rising " button of control box 14, when the registration of tensiometer 1 is the weight of chain block, control is unclamped
" rising " button of box 14 processed, chain block is removed, test process terminates.
Claims (7)
1. a kind of chain block braking performance tester, which is characterized in that the device includes test frame, tensiometer（1）With
Hydraulic system, the test frame include crossbeam（2）, bottom plate（3）, the first column（4）With the second column（5）, described first is vertical
Column（4）Upper end and the second column（5）Upper end respectively with crossbeam（1）Both ends be fixedly connected, first column（4）Under
End and the second column（5）Lower end respectively with bottom plate（3）The both ends of upper surface are fixedly connected, the crossbeam（2）The lower section at middle part
Equipped with the first lifting lug（6）, the tensiometer（1）Upper end and the first lifting lug（6）Connection, the hydraulic system include hydraulic cylinder
（7）, the hydraulic cylinder（7）It is vertically set on bottom plate（3）Upper surface on, the hydraulic cylinder（7）Piston rod be equipped with second
Lifting lug（8）, the hydraulic cylinder（7）Cylinder body and bottom plate（3）Upper surface be fixedly connected.
A kind of 2. chain block braking performance tester according to claim 1, which is characterized in that the hydraulic system
Further include hydraulic oil container（9）, hydraulic pump（10）, reversal valve（11）And controller, the hydraulic pump（10）Entrance and hydraulic oil
Case（9）It is connected by inlet duct, the hydraulic pump（10）Outlet and reversal valve（11）It is connected by outlet conduit, institute
Outlet conduit is stated equipped with check valve（12）, the outlet conduit and hydraulic oil container（9）It is connected by overflow pipe, the overflow
Pipe is equipped with overflow valve（13）, the reversal valve（11）With hydraulic cylinder（7）It is connected by pipeline, the reversal valve（11）With liquid
Pressure oil case（9）It is connected by oil returning tube, the hydraulic oil container（9）It is located at bottom plate（3）On, the hydraulic pump（10）It is located at liquid
Pressure oil case（9）Top, the reversal valve（11）And hydraulic pump（10）It is connect with controller by signal wire.
A kind of 3. chain block braking performance tester according to claim 2, which is characterized in that the reversal valve
（11）For three position four-way directional control valve.
A kind of 4. chain block braking performance tester according to claim 2, which is characterized in that first column
（4）Side be equipped with control box（14）, the controller is mounted on control box（14）It is interior.
A kind of 5. chain block braking performance tester according to claim 1, which is characterized in that the tensiometer
（1）With the first lifting lug（6）Pass through the first shackle（15）Connection, the tensiometer（1）Lower end be equipped with the second shackle（16）.
A kind of 6. chain block braking performance tester according to any one of claims 1-5, which is characterized in that institute
State bottom plate（3）Upper surface be equipped with rubber pad.
A kind of 7. application method of chain block braking performance tester according to claim 6, which is characterized in that packet
Include following steps：
Step 1: by control box（14）" switch " knob be threaded to starting state, start hydraulic pump（10）, press control box（14）
" rising " button, make hydraulic cylinder（7）Piston rod stretch out hydraulic cylinder（7）Cylinder body, unclamp control box（14）" rising " press
Button；
Step 2: by the hook of chain block and the second shackle（16）Connection, by the lower suspension hook and the second lifting lug of chain block
（8）Connection；
Step 3: press control box（14）" decline " button, make hydraulic cylinder（7）Piston rod to hydraulic cylinder（7）Cylinder body in
Retraction, while observe tensiometer（1）Reading, work as tensiometer（1）Reading variation for chain block nominal load 25% when,
Unclamp control box（14）" decline " button, hydraulic cylinder（7）Piston rod stop retraction, stand one hour, observe tensiometer（1）
Reading, if tensiometer（1）Reading change, then the braking ability of the chain block is bad, if tensiometer（1）Reading
It does not change, then continues to test；
Step 4: press control box（14）" decline " button, make hydraulic cylinder（7）Piston rod to hydraulic cylinder（7）Cylinder body in
Retraction, while observe tensiometer（1）Reading, work as tensiometer（1）Reading variation for chain block nominal load 100% when,
Unclamp control box（14）" decline " button, hydraulic cylinder（7）Piston rod stop retraction, stand one hour, observe tensiometer（1）
Reading, if tensiometer（1）Reading change, then the braking ability of the chain block is bad, if tensiometer（1）Reading
It does not change, then continues to test；
Step 5: press control box（14）" decline " button, make hydraulic cylinder（7）Piston rod to hydraulic cylinder（7）Cylinder body in
Retraction, while observe tensiometer（1）Reading, work as tensiometer（1）Reading variation for chain block nominal load 125% when,
Unclamp control box（14）" decline " button, hydraulic cylinder（7）Piston rod stop retraction, stand one hour, observe tensiometer（1）
Reading, if tensiometer（1）Reading change, then the braking ability of the chain block is bad, if tensiometer（1）Reading
It does not change, then the braking ability of chain block is good；
Step 6: press control box（14）" rising " button, treat tensiometer（1）Registration be chain block weight when, pine
Open control box（14）" rising " button, chain block is removed, test process terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711313241.1A CN108240903A (en) | 2017-12-12 | 2017-12-12 | A kind of chain block braking performance tester and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711313241.1A CN108240903A (en) | 2017-12-12 | 2017-12-12 | A kind of chain block braking performance tester and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108240903A true CN108240903A (en) | 2018-07-03 |
Family
ID=62701052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711313241.1A Pending CN108240903A (en) | 2017-12-12 | 2017-12-12 | A kind of chain block braking performance tester and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108240903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595570A (en) * | 2020-05-29 | 2020-08-28 | 国网福建省电力有限公司 | Full-automatic lever block static load test device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4223554A (en) * | 1979-06-07 | 1980-09-23 | Columbus Mckinnon Corporation | Hoist test stand |
| CN203572671U (en) * | 2013-11-04 | 2014-04-30 | 杭州锦昌起重机械有限公司 | Manual chain hoist testbed |
| CN204101309U (en) * | 2014-10-28 | 2015-01-14 | 浙江维大茵特起重设备有限公司 | The bindiny mechanism of motor and frame in a kind of hoist crane test unit |
| CN204848062U (en) * | 2015-07-30 | 2015-12-09 | 南通润邦海洋工程装备有限公司 | Chain block test jig |
| CN205483616U (en) * | 2016-02-04 | 2016-08-17 | 杭州精工液压机电制造有限公司 | Hoist testing arrangement |
-
2017
- 2017-12-12 CN CN201711313241.1A patent/CN108240903A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4223554A (en) * | 1979-06-07 | 1980-09-23 | Columbus Mckinnon Corporation | Hoist test stand |
| CN203572671U (en) * | 2013-11-04 | 2014-04-30 | 杭州锦昌起重机械有限公司 | Manual chain hoist testbed |
| CN204101309U (en) * | 2014-10-28 | 2015-01-14 | 浙江维大茵特起重设备有限公司 | The bindiny mechanism of motor and frame in a kind of hoist crane test unit |
| CN204848062U (en) * | 2015-07-30 | 2015-12-09 | 南通润邦海洋工程装备有限公司 | Chain block test jig |
| CN205483616U (en) * | 2016-02-04 | 2016-08-17 | 杭州精工液压机电制造有限公司 | Hoist testing arrangement |
Non-Patent Citations (1)
| Title |
|---|
| 李庆林: "《输变电工程起重与运输施工技术手册》", 30 November 2013 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595570A (en) * | 2020-05-29 | 2020-08-28 | 国网福建省电力有限公司 | Full-automatic lever block static load test device |
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Application publication date: 20180703 |