CN104528483A - Self-locking lifting appliance - Google Patents
Self-locking lifting appliance Download PDFInfo
- Publication number
- CN104528483A CN104528483A CN201410784849.2A CN201410784849A CN104528483A CN 104528483 A CN104528483 A CN 104528483A CN 201410784849 A CN201410784849 A CN 201410784849A CN 104528483 A CN104528483 A CN 104528483A
- Authority
- CN
- China
- Prior art keywords
- clamping
- clamping section
- self
- section
- locking sling
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
Abstract
The invention discloses a self-locking lifting appliance. The self-locking lifting appliance comprises a first clamping part and a second clamping part which are oppositely arranged in a spaced mode. A clamping piece is hinged to the lower portion of the second clamping part. One end of the clamping piece is opposite to the first clamping part so that an object to be lifted can be clamped through the end of the clamping piece and the clamping face of the first clamping part. A lifting piece used for connecting a hoisting device is hinged to the other end of the clamping piece. The middle of the clamping piece is hinged to the second clamping part so that the clamping interval between the end of the clamping piece and the clamping face of the first clamping part can decrease when the other end of the clamping piece rotates upwards from the downward initial position. The self-locking lifting appliance is simple in structure and can correspondingly regulate the friction force exerted on the hoisted heavy object according to the weight of the hoisted heavy object, the work safety is improved, and the self-locking lifting appliance is particularly suitable for cylinders and other tubular workpieces.
Description
Technical field
The present invention relates to lifting field, particularly, relate to a kind of self-locking sling.
Background technology
In oil cylinder manufacturing, man-hour is being added to cylinder barrel class workpiece (or steel pipe class workpiece of thin-walled), workpiece is needed to carry out vertical lifting, transport and handling, also there is no special suspender targetedly at present, common way in workpiece outer wall, ties up a circle with nylon rope, utilize the friction force of rope and workpiece outer wall, the place reached needed for workpiece is vertically winched to, but, this method cannot ensure the safety of operation, if the gravity suffered by workpiece is greater than the friction force between rope and outer wall, then workpiece will come off from rope, there is great potential safety hazard.
Summary of the invention
The object of this invention is to provide a kind of self-locking sling, this self-locking sling structure is simple and can correspondingly regulate according to the weight of hoisting heavy the friction force put on hoisting heavy, improves the safety of operation, is particularly useful for the tubular workpieces such as cylinder barrel.
To achieve these goals, the invention provides a kind of self-locking sling, this self-locking sling comprises and being spaced and the first clamping section be oppositely arranged and the second clamping section, the lower hinge of described second clamping section has clamping element, one end of this clamping element is relative with described first clamping section, so that thing to be hung can be clamped by the clamping surface of described one end of this clamping element and described first clamping section, the other end of this clamping element is hinged with the hanging piece for connecting hoisting device, and the centre portion of this clamping element is articulated with described second clamping section, with when the described other end of described clamping element rotates up from initial position down, clamping spacing between described one end of described clamping element and the clamping surface of described first clamping section can diminish.
Preferably, described first clamping section and described second clamping section to be in same plane and to be connected by tie-beam.
Preferably, one end deviated from described tie-beam of described first clamping section is formed with the protrusion extended towards described second clamping section.
Preferably, described protrusion on the described clamping surface of described second clamping section, be formed with tooth.
Preferably, the described clamping surface towards described second clamping section of described protrusion relative to vertical direction towards described second clamping section lopsidedness.
Preferably, the described other end of described clamping element is corresponding with described protrusion position and width is equal.
Preferably, described first clamping section and described second clamping section parallel to each other.
Preferably, groove is formed in the bottom of described second clamping section, along described first clamping section and described second direction respect to one another, clamping section, described groove runs through described second clamping section, and the locating dowel pin be provided with in described groove along extending perpendicular to described first clamping section and described second place, clamping section plane, described clamping element is articulated with described locating dowel pin.
Preferably, the described other end of described clamping element has the curved end extended gradually from top to bottom inwardly.
Preferably, described curved end is formed with tooth.
Pass through technique scheme, between clamping element thing to be hung being clipped in the first clamping section and the second clamping section, suppose that the weight of thing to be hung is heavier, the pulling force upwards that the lifting appliance that then correspondingly hanging piece bears gives is larger, one end being connected with hanging piece of clamping element can produce the trend of larger upward movement, thus spacing between this one end of clamping element and the first clamping section is less, thus thing to be hung by the first clamping section and the second clamping section (clamping element of the second clamping section) press from both sides tighter, in this way, play the effect of the weight self-locking by thing to be hung, self-locking sling structure of the present invention is simple and can correspondingly regulate according to the weight of hoisting heavy the friction force put on hoisting heavy, greatly improves the safety of operation, is particularly useful for the tubular workpieces such as cylinder barrel.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the perspective view of the self-locking sling according to one embodiment of the present invention;
Fig. 2 is the front sectional view after the removal clips gripping members of self-locking sling in Fig. 1 and hanging piece;
Fig. 3 is the enlarged drawing of encircled portion in Fig. 2;
Fig. 4 is the birds-eye view after the removal clips gripping members of self-locking sling in Fig. 1 and hanging piece;
Fig. 5 is the main TV structure schematic diagram of the clamping element of self-locking sling in Fig. 1;
The enlarged drawing of the encircled portion in Fig. 6 Fig. 5;
Fig. 7 is the enlarged drawing of self-locking sling when lifting by crane cylinder barrel in Fig. 1.
Description of reference numerals
1 first clamping section
11 protrusions
2 second clamping sections
21 clamping element 22 hanging pieces
23 groove 24 locating dowel pins
3 tie-beams
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality used, as " upper and lower " represents the orientation of this self-locking sling under normal service condition and also consistent with direction shown in the drawings, " left and right " is consistent with direction shown in the drawings, and " inside and outside " refers to profile inside and outside relative to each parts itself.
The invention provides a kind of self-locking sling, this self-locking sling comprises and being spaced and the first clamping section 1 and the second clamping section 2 be oppositely arranged, the lower hinge of described second clamping section 2 has clamping element 21, one end of this clamping element 21 is relative with described first clamping section 1, so that thing to be hung can be clamped by the clamping surface of described one end of this clamping element 21 and described first clamping section 1, the other end of this clamping element 21 is hinged with the hanging piece 22 for connecting hoisting device, and the centre portion of this clamping element 21 is articulated with described second clamping section 2, with when the described other end of described clamping element 21 rotates up from initial position down, clamping spacing between described one end of described clamping element 21 and the clamping surface of described first clamping section 1 can diminish.
Pass through technique scheme, thing to be hung is clipped between the first clamping section 1 and the clamping element 21 of the second clamping section 2, centre portion due to clamping members 21 is articulated with second and steps up portion 2, when rotating up from initial position down with the described other end of clamping element 21, clamping spacing between described one end of clamping element 21 and the clamping surface of the first clamping section 1 can diminish, therefore when the weight of hanging thing is heavier, the pulling force upwards that the lifting appliance that correspondingly hanging piece 22 bears gives is larger, one end being connected with hanging piece 22 of clamping element 21 can produce the trend of larger upward movement, thus spacing between this one end of clamping element 21 and the first clamping section 1 is less, thus thing to be hung by the first clamping section 1 and the second clamping section 2 (clamping element 21 of the second clamping section 2) press from both sides tighter, the friction force be applied on thing to be hung is larger, in this way, play the effect of the weight self-locking by thing to be hung, self-locking sling structure of the present invention is simple and can correspondingly regulate according to the weight of hoisting heavy the friction force put on hoisting heavy, greatly improve the safety of operation, and the self-locking sling of this structure is highly suitable for the lifting of the tubular workpieces such as cylinder barrel, such as, see Fig. 7, the barrel of the first clamping section 1 and the second 2 pairs of cylinder barrels in clamping section can be used to clamp.
It will be appreciated by persons skilled in the art that the specific design mode of the first clamping section 1 and the second clamping section 2 can do according to actual conditions the fine setting first adapted to, as long as have said structure feature and can realize above-mentioned functions.
In present embodiment, the first clamping section 1 and the second clamping section 2 to be in same plane and to be connected by tie-beam 3.
Further, further particularly, one end deviated from tie-beam 3 of the first clamping section 1 is formed with the protrusion 11 extended towards the second clamping section 2.The clamping surface of the first clamping section 1 is the end face towards the second clamping section 2 of this protrusion 11, in this case, can form larger spacing, to adapt to the thing to be hung of more specifications and shape between the first clamping section 1 and the second clamping section 2.
See Fig. 1 and Fig. 2, in present embodiment, first clamping section 1 and the second clamping section 2 parallel to each other, particularly, first clamping section 1 and the second clamping section 2 extend in parallel out from the two ends of tie-beam 3 towards the same side respectively, make the first clamping section 2, clamping section 1, second and tie-beam 3 roughly be formed as U-shaped, and wherein, the first clamping section 2, clamping section 1, second and tie-beam 3 all have the transversal surface of rectangle.
Preferably, in order to obtain good clamping effect, the described other end of clamping element 21 is corresponding with protrusion 11 position and width is equal.
See Fig. 2, in present embodiment, the described clamping surface towards the second clamping section 2 of protrusion 11 relative to vertical direction towards the second clamping section 2 lopsidedness.
And for the concrete structure of the second clamping section 2, as the simple mode of one, groove 23 is formed in the bottom of the second clamping section 2, along the first clamping section 1 and the second direction respect to one another, clamping section 2 (left and right directions namely in Fig. 2), groove 23 runs through the second clamping section 2, and the locating dowel pin 24 be provided with in groove 23 along extending perpendicular to the first clamping section 1 and the second place, clamping section 2 plane (namely perpendicular to the direction of Fig. 2 paper), clamping element 21 is articulated with locating dowel pin 24.
Preferably, the described other end of clamping element 21 has the curved end extended gradually from top to bottom inwardly.See Fig. 2 and Fig. 7, this design in present embodiment, more be conducive to the end face (i.e. described curved end) of the described other end of clamping element 21 to be fitted to each other with the end face of the protrusion 11 of the first clamping section 1, this self-locking sling can be made to be adapted to the thing to be hung of difformity and specification, and be conducive to increasing the area of contact between the end face of the described other end of clamping element 21 and the end face of the protrusion 11 of the first clamping section 1, increase self-locking sling and treat the friction force hanging thing, to improve the self-lock ability of suspender.
Further, in order to when thing weight to be hung is constant, increase treat the friction force hanging thing, preferably, protrusion 11 on the clamping surface of the second clamping section 2, be formed with tooth.
Under preferable case, correspondingly, described curved end is formed with tooth.
It will be understood by those skilled in the art that, the concrete form of the tooth on the clamping surface of the second clamping section 2 and the tooth on described curved end does not limit, such as, see accompanying drawing, in present embodiment, tooth on the clamping surface of the second clamping section 2 is rectangular teeth, and the tooth on described curved end is stepped tooth, friction effect can be promoted by the shape of the density or change tooth that increase tooth, certainly, except manufacturing the mode of tooth on the clamping surface of the second clamping section 2 and on described curved end, the mode that can also can increase friction coefficient by other is improved, and, these belong to protection scope of the present invention equally.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a self-locking sling, it is characterized in that, this self-locking sling comprises and being spaced and the first clamping section (1) be oppositely arranged and the second clamping section (2), the lower hinge of described second clamping section (2) has clamping element (21), one end of this clamping element (21) is relative with described first clamping section (1), so that thing to be hung can be clamped by the clamping surface of described one end of this clamping element (21) and described first clamping section (1), the other end of this clamping element (21) is hinged with the hanging piece (22) for connecting hoisting device, and the centre portion of this clamping element (21) is articulated with described second clamping section (2), with when the described other end of described clamping element (21) rotates up from initial position down, clamping spacing between described one end of described clamping element (21) and the clamping surface of described first clamping section (1) can diminish.
2. self-locking sling according to claim 1, is characterized in that, described first clamping section (1) and described second clamping section (2) to be in same plane and to be connected by tie-beam (3).
3. self-locking sling according to claim 2, it is characterized in that, one end deviated from described tie-beam (3) of described first clamping section (1) is formed with the protrusion (11) extended towards described second clamping section (2).
4. self-locking sling according to claim 3, is characterized in that, described protrusion (11) on the described clamping surface of described second clamping section (2), be formed with tooth.
5. self-locking sling according to claim 3, it is characterized in that, the described clamping surface towards described second clamping section (2) of described protrusion (11) relative to vertical direction towards described second clamping section (2) lopsidedness.
6. self-locking sling according to claim 3, is characterized in that, the described other end of described clamping element (21) is corresponding with described protrusion (11) position and width is equal.
7. self-locking sling according to claim 2, is characterized in that, described first clamping section (1) is parallel to each other with described second clamping section (2).
8. according to the self-locking sling in claim 1-7 described in any one, it is characterized in that, groove (23) is formed in the bottom of described second clamping section (2), along described first clamping section (1) and described second clamping section (2) direction respect to one another, described groove (23) runs through described second clamping section (2), and the locating dowel pin (24) be provided with in described groove (23) along extending perpendicular to described first clamping section (1) and described second clamping section (2) place plane, described clamping element (21) is articulated with described locating dowel pin (24).
9. according to the self-locking sling in claim 1-7 described in any one, it is characterized in that, the described other end of described clamping element (21) has the curved end extended gradually from top to bottom inwardly.
10. self-locking sling according to claim 9, is characterized in that, described curved end is formed with tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784849.2A CN104528483B (en) | 2014-12-17 | 2014-12-17 | Self-locking sling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784849.2A CN104528483B (en) | 2014-12-17 | 2014-12-17 | Self-locking sling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104528483A true CN104528483A (en) | 2015-04-22 |
| CN104528483B CN104528483B (en) | 2016-04-20 |
Family
ID=52844182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410784849.2A Active CN104528483B (en) | 2014-12-17 | 2014-12-17 | Self-locking sling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104528483B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093650A (en) * | 2019-06-17 | 2020-12-18 | 陕西晟泰源水泥制品有限公司 | Lifting appliance for prefabricated inspection well and lifting method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2393101A (en) * | 1945-04-14 | 1946-01-15 | Merrill Brothers | Plate lifting clamp |
| GB2177673A (en) * | 1985-07-08 | 1987-01-28 | Riley Keith | A mechanical handling clamp |
| JPS62126301A (en) * | 1985-09-18 | 1987-06-08 | ク−パ− インダストリ−ズ，インコ−ポレイテツド | Gripping cam, lifting clamp and method of measuring over-abrasion of gripping cam |
| CN101049886A (en) * | 2007-05-11 | 2007-10-10 | 四川东风电机厂有限公司 | New type hook in use for welding |
| CN201419973Y (en) * | 2009-04-02 | 2010-03-10 | 天津港第五港埠有限公司 | 30 ton coil steel chucking appliance |
| CN201999625U (en) * | 2011-04-03 | 2011-10-05 | 金海重工股份有限公司 | Automatic clamping type lifting hook |
-
2014
- 2014-12-17 CN CN201410784849.2A patent/CN104528483B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2393101A (en) * | 1945-04-14 | 1946-01-15 | Merrill Brothers | Plate lifting clamp |
| GB2177673A (en) * | 1985-07-08 | 1987-01-28 | Riley Keith | A mechanical handling clamp |
| JPS62126301A (en) * | 1985-09-18 | 1987-06-08 | ク−パ− インダストリ−ズ，インコ−ポレイテツド | Gripping cam, lifting clamp and method of measuring over-abrasion of gripping cam |
| CN101049886A (en) * | 2007-05-11 | 2007-10-10 | 四川东风电机厂有限公司 | New type hook in use for welding |
| CN201419973Y (en) * | 2009-04-02 | 2010-03-10 | 天津港第五港埠有限公司 | 30 ton coil steel chucking appliance |
| CN201999625U (en) * | 2011-04-03 | 2011-10-05 | 金海重工股份有限公司 | Automatic clamping type lifting hook |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093650A (en) * | 2019-06-17 | 2020-12-18 | 陕西晟泰源水泥制品有限公司 | Lifting appliance for prefabricated inspection well and lifting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104528483B (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204920172U (en) | Elevartor shaft operation platform | |
| CN204162285U (en) | A kind of fixture for rail lifting | |
| JP5755203B2 (en) | Wire rope gripper | |
| CN104528483B (en) | Self-locking sling | |
| CN205653032U (en) | Deformed steel flats vertical hoisting device | |
| CN206680061U (en) | A kind of gravity type board suspending frame | |
| CN106495058A (en) | Cylinder barrel carries accessory | |
| CN203021166U (en) | Steel plate lifting appliance | |
| CN204079216U (en) | A kind of suspender | |
| CN103879929B (en) | A kind of auxiliary device for the transport of heavy caliber cable coil and using method thereof | |
| CN204384697U (en) | A kind of metal plate hanging beam | |
| CN203754232U (en) | Simple steel rail lifting tool | |
| CN206051284U (en) | A kind of instrument for lifting concrete reinforced pipe | |
| CN205328438U (en) | Handling is from lift -type cylindric spud leg hanging beam | |
| CN205855808U (en) | A kind of tubing lifting clamp device | |
| CN204508568U (en) | A kind of heavier-duty lifting eye seat | |
| JP2017043437A5 (en) | ||
| CN107090980B (en) | A kind of construction slurry hangs connection device | |
| CN203808252U (en) | Embedded connecting clamp for lightweight steel structures | |
| CN204782030U (en) | Safety protection structure | |
| CN104444810A (en) | Large plate turning construction method | |
| CN204281088U (en) | A kind of anti-sway device for hoisting crane | |
| JP6748438B2 (en) | Lifting device | |
| CN204552121U (en) | A kind of hanger in H profile steel | |
| CN203998623U (en) | With the tubing suspender of self-locking structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |