CN207276108U - A kind of holding load test device for winch - Google Patents
A kind of holding load test device for winch Download PDFInfo
- Publication number
- CN207276108U CN207276108U CN201721266262.8U CN201721266262U CN207276108U CN 207276108 U CN207276108 U CN 207276108U CN 201721266262 U CN201721266262 U CN 201721266262U CN 207276108 U CN207276108 U CN 207276108U
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- China
- Prior art keywords
- winch
- extension plate
- holding load
- test device
- load test
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Abstract
The utility model discloses a kind of holding load test device for winch, including reel, and the band brake to brake drum, extension plate, shearing-resistance blocks, jack-up hydraulic ram, jacking twisted seat and to carry the bottom plate of jinny are further included；The front side edge of the extension plate is connected with the drum wall of reel, and the lower end of extension plate is connected with jacking the upper end of twisted seat, jacks the lower end of twisted seat and the upper end of jack-up hydraulic ram and offsets, the lower end of jack-up hydraulic ram is connected on bottom plate；The shearing-resistance blocks are also connected in the drum wall of reel, and arranged on the top of extension plate.The utility model can save a large amount of cumbersome preliminary preparations, efficiently, simply be supported load testing to winch.
Description
Technical field
The equipment that the utility model is related to winch test holding load ability, is used for winch more specifically to one kind
Holding load test device.
Background technology
Winch is to be widely used in the large-scale of the industries such as ocean engineering, electric power, mine, cement, steel, chemical industry, papermaking to set
It is standby, provided according to design specification, when winch vertical lifting weight is as crane, in order to which security must be equipped with belt braking
Device.
Holding load test is that can detection band brake possess complete stopping power under winch holding load.Twist
Car holding load design specification general provision is the 80% of breaking force of rope, therefore value of thrust is very big, and band brake is
For providing the brake of holding load braking, winch is required for testing the ability of band brake before dispatching from the factory, is used for
Examine whether the holding load of winch meets design requirement.
Existing winch holding load test process is very cumbersome, as shown in Figure 1, it is necessary to the larger checkout area of one piece of area
Ground, four independent bases 1 are fixed on test site, winch 2 is fixed on base 1, then are fixed on test site
The steelframe 3 of one A shape, after the steel wire rope 4 on winch 2 is bypassed steelframe 3, a standard counterweight is fastened in the rope end of steel wire rope 4
5, start winch 2 and lift standard counterweight 5, after standard counterweight 5 rises certain altitude, close band brake 6, turn off electricity
Source, then observes whether band brake 6 has slipping phenomenon, such as non-slip, then illustrates that the holding load ability of winch 2 is qualified.
But still there is following shortcoming for above-mentioned test method：
1. the space carried out needed for test site is big；
2. winch is transported to test site, it is necessary to using large-scale haulage equipment from workshop；
3. the size of winch has different specification, it is necessary to which expending larger financial resources, material resources and manpower makes different size
Base, steel wire rope；
4. the holding load of every kind of specification winch is different, it is necessary to be equipped with the standard counterweight of different size；
5. because the test of winch holding load is to use hoisting test, and the weight of standard counterweight is big, there are larger safety
Hidden danger.
Utility model content
In view of the above defects of the prior art, the purpose of this utility model is to provide a kind of support for winch
Load testing device, can save a large amount of cumbersome preliminary preparations, and load efficiently, is simply supported to winch surveys
Examination.
To achieve the above object, the utility model adopts the following technical solution：
A kind of holding load test device for winch, including reel, and the band brake to brake drum,
Further include extension plate, shearing-resistance blocks, jack-up hydraulic ram, jacking twisted seat and to carry the bottom plate of jinny；
The front side edge of the extension plate is connected with the drum wall of reel, the lower end of extension plate and the upper end phase for jacking twisted seat
Even, the lower end of twisted seat and the upper end of jack-up hydraulic ram are jacked and is offseted, the lower end of jack-up hydraulic ram is connected on bottom plate；
The shearing-resistance blocks are also connected in the drum wall of reel, and arranged on the top of extension plate.
Several screw holes are offered in the drum wall, the front side edge of extension plate also offers screw hole in several and drum wall
The screw hole of dimension, and be connected by bolt, nut.
The extension plate is set in fan-shaped extension plate.
Footing piece on the winch is fixed on bottom plate by hooked scarf.
The bottom plate is steel plate.
The hooked scarf sets L-shaped hooked scarf.
The shearing-resistance blocks are welded in drum wall.
The lower end of the extension plate is connected with jacking the upper end of twisted seat by axis pin.
In above-mentioned technical solution, a kind of holding load test device for winch provided by the utility model,
Also there is some following beneficial effect：
1. the utility model saves a large amount of cumbersome preliminary preparations, such as big quality counterweight, steel wire rope, large scale bottom
Seat and winch transport to large-scale haulage equipment of test site etc. from assembly shop；
2. the utility model greatly reduces test site, only need to complete in the space more bigger than winch body
Experiment；
3. the utility model can be applicable in various winch holding load experiments, and can recycle, cost is greatlyd save
And the time；
4. the shearing-resistance blocks of the utility model effectively improve between fan-shaped extension plate and drum wall connection bolt by
Power situation；
5. the utility model is efficient, simple, practical, unsafe hidden danger is eliminated.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing holding load test；
Fig. 2 is the structure diagram of the utility model；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the schematic diagram in c directions in Fig. 2；
Fig. 5 is the schematic diagram in d directions in Fig. 2.
Embodiment
The technical solution of the utility model is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 2 to Fig. 5, a kind of holding load test device for winch provided by the utility model,
Including reel 7, and the band brake 8 to brake drum 7, in addition, further including extension plate 9, shearing-resistance blocks 10, jacking hydraulic pressure
Oil cylinder 11, jack twisted seat 12 and to carry the bottom plate 13 of jinny.
Preferably, the front side edge of the extension plate 9 is connected with the drum wall 14 of reel 7, the angle and top of 9 lower end of extension plate
The upper end of liter twisted seat 12 is connected by axis pin 15, is formed and is flexibly connected, and is jacked on lower end and the jack-up hydraulic ram 11 of twisted seat 12
The piston rod at end offsets, and to receive top lift, and top lift is transferred to extension plate 9, reel 7, jack-up hydraulic ram 11
Lower end, which is fixed, to be connected on bottom plate 13.
Several screw holes have been reserved preferably, being opened up in the drum wall 14, and the front side edge in extension plate 9 also offers
Several screw holes with screw hole dimension in drum wall 14, and be connected by bolt, nut.
Preferably, the welding of shearing-resistance blocks 10 is connected in the drum wall 14 of reel 7, and the top of extension plate 9 is arranged on,
It is in contact with the edge of extension plate 9, to improve the stressing conditions of the connection bolt between extension plate 9 and drum wall 14.
Preferably, the extension plate 9 is set in fan-shaped extension plate, the stress of top lift can be suitably used for.
Preferably, the footing piece on the winch is fixed on bottom plate by the hooked scarf 16 of L-shaped.
Preferably, the bottom plate 13 is steel plate, to carry winch.
Using a kind of test method of holding load test device for winch provided by the utility model, including with
Lower step：
S1. reserved several screw holes are opened up in drum wall 14, make extension plate 9, are also opened up in the front side edge of extension plate 9
There are several screw holes with screw hole dimension in drum wall 14；
S2. the angle of 9 lower end of extension plate is linked and packed by axis pin 15 and the upper end of jacking twisted seat 12, forms a mark
Quasi- part, the standard component can be recycled；
S3. steel plate is laid on the ground in workshop as bottom plate 13, on the steel plate finishes winch assembling；
S4. the footing piece of winch is blocked with the hooked scarf 16 of L-shaped, and be welded and fixed on base 13, which can be with
Recycle；
S5. the front side edge of extension plate 9 is connected in drum wall 14 with bolt, nut, makes jacking twisted seat 12 vertically downward；
S6. shearing-resistance blocks 10 are welded in the drum wall 25 of reel 7, and are arranged on the top of extension plate 9, with extension plate 9
Edge be in contact；
S7. the top lift F2, F2=F1*b/a for calculating jack-up hydraulic ram 11 (it is same to ensure that band brake 8 is subject to
Moment of torsion), in formula, F1 is that (value is the broken end pulling force of the steel wire rope of different size to holding load pulling force, is that fixation can consult
, F1 be Fracture Force 80%), b is that (see the label b) in Fig. 1, a is the top of jack-up hydraulic ram for the rope stretching radius of steel wire rope
Point is risen to the centre distance of reel (see the label a) in Fig. 2；
S8. band brake 8 is closed, jack-up hydraulic ram 11 pressurizes, and is subject to top lift to 12 lower end of jacking twisted seat, works as top
When lift reaches F2 values, stop pressurization, and pressurize about one minute or so (50s~80s), whether observation band brake 8 goes out
Existing slipping phenomenon；
If S9. band brake 8 occurs without slipping phenomenon, represent holding load test result for qualification.
In conclusion the utility model directly assembles winch in workshop on the ground that a laying steel plate can be born
After, winch footing piece is fixed on ladle ground with the hooked scarf of L-shaped, band brake is closed, is installed in drum wall
One fan-shaped extension plate, an angle of extension plate are connected with a jacking twisted seat, and twisted seat is jacked with a jack-up hydraulic ram jacking,
The size of top lift is calculated according to theoretical transformation, whether observation band brake skids, and the utility model can be recycled, and fit
Tested together in the winch of different size type.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Change, the modification of embodiment will all fall in the Claims scope of the utility model.
Claims (8)
1. a kind of holding load test device for winch, including reel, and the band brake to brake drum, its
It is characterized in that, further includes extension plate, shearing-resistance blocks, jack-up hydraulic ram, jacking twisted seat and to carry the bottom plate of jinny；
The front side edge of the extension plate is connected with the drum wall of reel, and the lower end of extension plate is connected with jacking the upper end of twisted seat,
Jack the lower end of twisted seat and the upper end of jack-up hydraulic ram to offset, the lower end of jack-up hydraulic ram is connected on bottom plate；
The shearing-resistance blocks are also connected in the drum wall of reel, and arranged on the top of extension plate.
A kind of 2. holding load test device for winch as claimed in claim 1, it is characterised in that the drum wall
On offer several screw holes, the front side edge of extension plate also offers several screw holes with screw hole dimension in drum wall, and leads to
Cross bolt, nut is connected.
A kind of 3. holding load test device for winch as claimed in claim 2, it is characterised in that the extension plate
Set in fan-shaped extension plate.
4. a kind of holding load test device for winch as claimed in claim 1, it is characterised in that on the winch
Footing piece be fixed on by hooked scarf on bottom plate.
5. a kind of holding load test device for winch as claimed in claim 4, it is characterised in that the bottom plate is
Steel plate.
6. a kind of holding load test device for winch as claimed in claim 4, it is characterised in that the hooked scarf is set
Put L-shaped hooked scarf.
A kind of 7. holding load test device for winch as claimed in claim 1, it is characterised in that the shearing-resistance blocks
It is welded in drum wall.
A kind of 8. holding load test device for winch as claimed in claim 1, it is characterised in that the extension plate
Lower end with jack twisted seat upper end be connected by axis pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266262.8U CN207276108U (en) | 2017-09-29 | 2017-09-29 | A kind of holding load test device for winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266262.8U CN207276108U (en) | 2017-09-29 | 2017-09-29 | A kind of holding load test device for winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207276108U true CN207276108U (en) | 2018-04-27 |
Family
ID=61988309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721266262.8U Active CN207276108U (en) | 2017-09-29 | 2017-09-29 | A kind of holding load test device for winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207276108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651594A (en) * | 2017-09-29 | 2018-02-02 | 上海振华重工(集团)股份有限公司 | A kind of holding load test device and its method of testing for winch |
| CN109205428A (en) * | 2018-10-10 | 2019-01-15 | 中国矿业大学 | Electrodeless rope type vertical shaft hoisting joint debugging test device and method |
-
2017
- 2017-09-29 CN CN201721266262.8U patent/CN207276108U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651594A (en) * | 2017-09-29 | 2018-02-02 | 上海振华重工(集团)股份有限公司 | A kind of holding load test device and its method of testing for winch |
| CN109205428A (en) * | 2018-10-10 | 2019-01-15 | 中国矿业大学 | Electrodeless rope type vertical shaft hoisting joint debugging test device and method |
| CN109205428B (en) * | 2018-10-10 | 2019-10-11 | 中国矿业大学 | Electrodeless rope type vertical shaft hoisting joint debugging test device and method |
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