CN207209748U - A kind of Three-jaw sling - Google Patents
A kind of Three-jaw sling Download PDFInfo
- Publication number
- CN207209748U CN207209748U CN201720816913.XU CN201720816913U CN207209748U CN 207209748 U CN207209748 U CN 207209748U CN 201720816913 U CN201720816913 U CN 201720816913U CN 207209748 U CN207209748 U CN 207209748U
- Authority
- CN
- China
- Prior art keywords
- guide rod
- pawl
- pin
- sliding sleeve
- fixes sleeve
- 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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- 239000000725 suspension Substances 0.000 claims abstract description 31
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a kind of Three-jaw sling, it includes a suspension ring, one guide rod, crank arm for three and hang pawl, one fixes sleeve, three connecting rods and a sliding sleeve, the suspension ring are fixedly connected on guide rod top, the fixes sleeve is sleeved on the guide rod top provided with limited step, and the fixes sleeve is by the suspension ring and the spacing fixation of the limited step, the sliding sleeve is sleeved on guide rod bottom and can slided up and down along guide rod, the upper end of every connecting rod with fixes sleeve pin-connect, cranked arm with one and hang the upper end pin-connect of pawl in the lower end of every connecting rod, and each crank arm hang pawl also with sliding sleeve pin-connect.Three-jaw sling described in the utility model, not only structure is dexterous, simple to operate laborsaving, easy to use, and lift efficiency high, it is safe and reliable, be easy to repair and change, there is obvious practicality.
Description
Technical field
The utility model is to be related to a kind of Three-jaw sling, more particularly to the three of a kind of suitable lifting middle part object with holes
Pawl suspender, belong to mechanical assist device technical field.
Background technology
In the daily production operation of enterprise, often there is many middle parts object with holes to need to lift, transport, and quantity is more,
Actual weight is at more than ten kilograms to tens kilograms, and big using manpower transport's labor intensity, handling efficiency is low, has a strong impact on enterprise
The raising of industry production capacity.To adapt to different weight, the fast hoisting of various sizes of middle part object with holes and transport, hoisting device
Have particularly important.Existing common Three-jaw sling is that simple three-jaw is hinged through the hinge to suspension ring, and such a suspender needs to adjust in advance
Whole three-jaw expanded angle, and pretightning force is needed, safe and reliable lifting is just can guarantee that, operation is inconvenient, and efficiency is low.Hung to improve
Efficiency is filled, also has Chinese patent 201420336916.X to disclose a kind of Three-jaw sling with sliding panel, it is in use, need people
Industry control suspension hook is in closure state, and suspender is put into and treated in lifting part hole, then lifts sliding panel, and strutting suspension hook could complete to hang
Dress, structure is relatively cumbersome, operation inconvenience, and the raising to lifting efficiency is still limited.Therefore, a kind of delicate structure, operation are designed
Simply, the suspender that lifting is firm, operating efficiency is high turns into the technical problem of this area urgent need to resolve.
Utility model content
In view of the above-mentioned problems existing in the prior art and demand, the purpose of this utility model be to provide a kind of delicate structure,
Three-jaw sling simple to operate, lifting is firm, operating efficiency is high.
To achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of Three-jaw sling, including a suspension ring, a guide rod and three crank arm and hang pawl, it is characterised in that：Also include one to fix
Sleeve, three connecting rods and a sliding sleeve, the suspension ring are fixedly connected on guide rod top, and the fixes sleeve is sleeved on provided with limit
The guide rod top of position step, and the fixes sleeve is by the suspension ring and the spacing fixation of the limited step, the slip cap
Jacket casing mounted in guide rod bottom and being slided up and down along guide rod, the upper end of every connecting rod with fixes sleeve pin-connect, every connecting rod
Lower end cranked arm with one and hang the upper end pin-connect of pawl, and each crank arm hang pawl also with sliding sleeve pin-connect.
A kind of embodiment, it is described crank arm hang pawl stretch out successively in polyline shaped to be formed linkage section, hold section, changeover portion
And suspension hook, the holding section are deflected outward relative to linkage section, the changeover portion is deflected outward relative to section is held, the suspension hook
Deflected down relative to changeover portion.
A kind of embodiment, pin joint hole is provided with holding the junction of section in the linkage section, described crank arm is hung pawl and passed through
The pin joint hole and sliding sleeve pin-connect.
A kind of embodiment, three engaging lugs are equipped with the week side of boss of the fixes sleeve and sliding sleeve, in each company
Pin joint hole is equipped with lug, and the engaging lug on the engaging lug and sliding sleeve in fixes sleeve is correspondingly arranged up and down.
A kind of embodiment, the suspension ring are connected through a screw thread fixation with guide rod top.
Preferably, the lower end position of the guide rod hangs the lower end position of pawl higher than cranking arm, in order to avoid influence lifting.
Relative to prior art, the utility model has the advantages that：
Three-jaw sling described in the utility model, not only structure is dexterous, simple to operate laborsaving, easy to use, and lifts
Efficiency high, it is safe and reliable, be easy to repair and change, there is obvious practicality.
Brief description of the drawings
Fig. 1 is a kind of structural representation for Three-jaw sling that the utility model embodiment provides；
Fig. 2 is to crank arm to hang the structural representation of pawl described in the utility model embodiment；
Fig. 3 and Fig. 4 embodies Three-jaw sling described in the utility model and is realizing status architecture schematic diagram when lifting work.
Label is schematically as follows in figure：1st, suspension ring；2nd, guide rod；21st, limited step；22nd, lower end of the guide rod；3rd, crank arm and hang pawl；31、
Linkage section；32nd, section is held；33rd, changeover portion；34th, suspension hook；35th, crank arm and hang the pin joint hole of pawl upper end；36th, in linkage section with holding
The pin joint hole of section junction；37th, crank arm and hang the lower end of pawl；4th, fixes sleeve；41st, the engaging lug in fixes sleeve；5th, connecting rod；6、
Sliding sleeve；61st, the engaging lug on sliding sleeve；7th, object to be lifted.
Embodiment
The technical solution of the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1：A kind of Three-jaw sling that the present embodiment provides, including 1, one, a suspension ring guide rod 2, three are cranked arm
Hang pawl 3 and 4, three connecting rods 5 of a fixes sleeve and a sliding sleeve 6, the suspension ring 1 be fixedly connected on the top of guide rod 2,
The fixes sleeve 4 is sleeved on the top of the guide rod 2 provided with limited step 21, and the upper end of the fixes sleeve 4 is by described
1 spacing fixation of suspension ring, the lower end of the fixes sleeve 4 are sleeved on by the 21 spacing fixation of limited step, the sliding sleeve 6
The bottom of guide rod 2 can simultaneously slide up and down along guide rod 2, three engaging lugs 41 are provided with the week side of boss of the fixes sleeve 4, in slip cap
The week side of boss of cylinder 6 also is provided with three engaging lugs 61, and on the engaging lug 41 in fixes sleeve 4 and the engaging lug 61 on sliding sleeve 6
Under be correspondingly arranged, be equipped with pin joint hole on each engaging lug 41 and 61, pin joint be also equipped with the upper and lower side of every connecting rod 5
Hole, the upper end pin joint hole of every connecting rod 5 are mutually sold with the pin joint hole on the engaging lug 41 that is located in fixes sleeve 4 by bearing pin
Connect.
As shown in Fig. 2 in the present embodiment, it is described crank arm hang pawl 3 stretch out successively in polyline shaped to be formed linkage section 31,
Section 32, changeover portion 33 and suspension hook 34 are held, the holding section 32 is deflected outward relative to linkage section 31, and the changeover portion 33 is relative
It is deflected outward in holding section 32, the suspension hook 34 deflects down relative to changeover portion 33.Hang the upper end of pawl 3 in described crank arm and be provided with
Pin joint hole 35, pin joint hole 36 is provided with holding the junction of section 32 in the linkage section 31.
Referring back to shown in Fig. 1, each, which is cranked arm, hangs pawl 3 and is passed through by pin joint hole 35 and the lower end pin joint hole of a connecting rod 5
Bearing pin pin-connect, and each is cranked arm and hangs pawl 3 and pass through pin joint hole on pin joint hole 36 and the engaging lug 61 that is located on sliding sleeve 6
Pass through bearing pin pin-connect.
Lifting is influenceed in order to avoid the lower end of guide rod 2, the position of lower end 22 of guide rod 2 is hung higher than cranking arm under pawl 3
Hold 37 positions.
It is easy to dismount the connection between suspension ring 1 and guide rod 2, the suspension ring 1 are preferably connected through a screw thread to be consolidated with the upper end of guide rod 2
Fixed connection.
The assembling of Three-jaw sling described in the utility model can be by following operation：
Fixes sleeve 4 is sleeved on to the top of the guide rod 2 provided with limited step 21, and make the lower surface of fixes sleeve 4 a,
It is inconsistent with the upper surface of limited step；Suspension ring 1 is fixedly connected with (such as threaded connection) on the top of guide rod 2, and make suspension ring 1
Lower surface and the upper surface of fixes sleeve 4 it is inconsistent so that spacing fixation of the fixes sleeve 4 by suspension ring 1 and limited step 21；
B, by three connecting rods 5 by bearing pin respectively with fixes sleeve 4 and cranking arm and hanging pawl 3 and carry out pin joint；
Sliding sleeve 6 is set in the bottom of guide rod 2 by the lower end of guide rod 2, and make to crank arm and hang pawl 3 by bearing pin and cunning c,
The pin-connect of moving sleeve 6, that is, obtain Three-jaw sling as shown in Figure 1.
Realize that the lifting operation to middle part object with holes is as follows using Three-jaw sling described in the utility model：
First, three grasped crank arm and hang pawl 3, connected due to cranking arm to hang between pawl 3 and connecting rod 5 for bearing pin, and with song
The sliding sleeve 6 that arm hangs the pin-connect of pawl 3 can be slided up and down on guide rod 2, therefore cranked arm and hung pawl 3 and can be at receiving under holding
Hold together state, to facilitate in the interstitial hole for inserting object 7 to be lifted (shown in Figure 3)；
Hang pawl 3 when cranking arm and insert after the interstitial hole of object 7 is lifted, unclamping hand makes to crank arm and hangs pawl 3 in the raw, this
When crank arm and hang pawl 3 and be in tensioning state (shown in Figure 4) by the downward Action of Gravity Field of suspender and object to be lifted 7,
Then slinging and carrying for object 7 to be lifted can be achieved by effect of the mechanical arm to suspension ring 1.
It is visible in summary：Three-jaw sling described in the utility model, not only structure is dexterous, laborsaving, use simple to operate
It is convenient, and lift efficiency high, it is safe and reliable, be easy to repair and change, there is obvious practicality.
It is last it is necessarily pointed out that：It the foregoing is only the preferable embodiment of the utility model, but this
The protection domain of utility model is not limited thereto, and any one skilled in the art discloses in the utility model
In technical scope, the change or replacement that can readily occur in should all be covered within the scope of protection of the utility model.
Claims (5)
1. a kind of Three-jaw sling, including a suspension ring, a guide rod and three crank arm and hang pawl, it is characterised in that：Also include a fixed cover
Cylinder, three connecting rods and a sliding sleeve, the suspension ring are fixedly connected on guide rod top, and the fixes sleeve is sleeved on provided with spacing
The guide rod top of step, and the fixes sleeve is by the suspension ring and the spacing fixation of the limited step, the sliding sleeve
Be sleeved on guide rod bottom and can be slided up and down along guide rod, the upper end of every connecting rod with fixes sleeve pin-connect, every connecting rod
Lower end is cranked arm with one hangs the upper end pin-connect of pawl, and each crank arm hang pawl also with sliding sleeve pin-connect；The song
Arm hangs pawl and stretches out to form linkage section, holding section, changeover portion and suspension hook successively in polyline shaped, and the holding section is relative to connection
Section is deflected outward, and the changeover portion is deflected outward relative to section is held, and the suspension hook deflects down relative to changeover portion.
2. Three-jaw sling according to claim 1, it is characterised in that：It is provided with the linkage section with holding the junction of section
Pin joint hole, described crank arm hang pawl and pass through the pin joint hole and sliding sleeve pin-connect.
3. Three-jaw sling according to claim 1, it is characterised in that：It is equal in the week side of boss of the fixes sleeve and sliding sleeve
Provided with three engaging lugs, pin joint hole is equipped with each engaging lug, and on the engaging lug and sliding sleeve in fixes sleeve
Engaging lug is correspondingly arranged up and down.
4. Three-jaw sling according to claim 1, it is characterised in that：The suspension ring are connected through a screw thread solid with guide rod top
It is fixed.
5. Three-jaw sling according to claim 1, it is characterised in that：The lower end position of the guide rod hangs pawl higher than cranking arm
Lower end position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720816913.XU CN207209748U (en) | 2017-07-06 | 2017-07-06 | A kind of Three-jaw sling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720816913.XU CN207209748U (en) | 2017-07-06 | 2017-07-06 | A kind of Three-jaw sling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207209748U true CN207209748U (en) | 2018-04-10 |
Family
ID=61812573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720816913.XU Expired - Fee Related CN207209748U (en) | 2017-07-06 | 2017-07-06 | A kind of Three-jaw sling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207209748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061962A (en) * | 2020-08-13 | 2020-12-11 | 银川威力传动技术股份有限公司 | Planet carrier subassembly hoist |
| CN112109276A (en) * | 2020-09-12 | 2020-12-22 | 江西圣得利橡胶有限公司 | Separator of reclaimed rubber production usefulness |
| CN113501418A (en) * | 2021-07-28 | 2021-10-15 | 上海电气风电集团股份有限公司 | Hoisting tool |
-
2017
- 2017-07-06 CN CN201720816913.XU patent/CN207209748U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061962A (en) * | 2020-08-13 | 2020-12-11 | 银川威力传动技术股份有限公司 | Planet carrier subassembly hoist |
| CN112109276A (en) * | 2020-09-12 | 2020-12-22 | 江西圣得利橡胶有限公司 | Separator of reclaimed rubber production usefulness |
| CN113501418A (en) * | 2021-07-28 | 2021-10-15 | 上海电气风电集团股份有限公司 | Hoisting tool |
| CN113501418B (en) * | 2021-07-28 | 2022-07-29 | 上海电气风电集团股份有限公司 | Hoisting tool |
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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: 20180410 |