CN212959695U - Connecting device for automatically locking rope head of steel wire rope - Google Patents
Connecting device for automatically locking rope head of steel wire rope Download PDFInfo
- Publication number
- CN212959695U CN212959695U CN202021079179.1U CN202021079179U CN212959695U CN 212959695 U CN212959695 U CN 212959695U CN 202021079179 U CN202021079179 U CN 202021079179U CN 212959695 U CN212959695 U CN 212959695U
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- wire rope
- locking
- head
- steel wire
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Abstract
The utility model discloses a connecting device for be used for automatic locking of wire rope fag end sets up on the wire rope fag end, including outer locking cover, the interior locking cover that is tubular structure, still be equipped with the connection end cap on the outer locking cover, outer locking cover inner wall divide into outer contracting inside expanding toper section and threaded connection section, interior locking cover is two lamella formula structures, interior locking cover outer wall be equipped with outer contracting inside expanding toper section complex toper friction surface, interior locking cover inner wall be equipped with wire rope fag end complex is convex protruding, the outer end of connecting the end cap is provided with the connecting hole that is used for the connecting device of the automatic locking of wire rope fag end to be connected with another cover, one side of connecting the locking cover in the end cap orientation is provided with the toper head that rises. The utility model has the advantages that: the rope end of the steel wire rope can be tightly attached to the inner locking sleeve and the outer locking sleeve. According to the shape of the inner diameter of the inner locking sleeve, the safety of the automatic locking device for the rope head of the steel wire rope is further improved.
Description
Technical Field
The utility model relates to an instrument of fastening wire rope fag end specifically indicates a connecting device that is used for automatic locking of wire rope fag end.
Background
The rope end of the steel wire rope is in a loose state under normal conditions, and cannot be connected and fixed with the other end of the steel wire rope or other components.
At present, a patent name is a locking and connecting device for a rope end of a steel wire rope (with the patent number of CN201721082031.1), which uses two conical sleeves with inner and outer tubular structures to lock the steel wire rope, and then uses a connecting plug to expand the end part of the rope end of the steel wire rope. The connecting hole at the head of the connecting plug is pulled by force, and the steel wire rope head locking and connecting device can be locked at the position of the steel wire rope head. The steel wire rope can be connected through the connecting hole at the head part of the steel wire rope head locking and connecting device, or the appearance structure of the steel wire rope head locking and connecting device can be connected or fixed with various components.
However, in this connection structure of the rope end of the steel wire rope, the conical expansion head is shorter and cannot cut into the rope end of the steel wire rope better. The contact surface between the structure of the head part of the inner locking sleeve and the steel wire rope is a plane, so that the risk of damaging the rope head of the steel wire rope is avoided.
Disclosure of Invention
The utility model aims at providing a connecting device that is used for automatic locking of wire rope fag end, it has increased the frictional force of wire rope and lock sleeve, improves wire rope fag end automatic locking device's security.
In order to realize the above-mentioned purpose, the utility model relates to a connecting device for automatic locking of wire rope fag end sets up on the wire rope fag end, including outer locking cover, the interior locking cover that is tubular structure, still be equipped with the connection end cap on the outer locking cover, outer locking cover inner wall divide into outer expanding taper section and the threaded connection section of contracting, interior locking cover is two lamella formula structures, interior locking cover outer wall be equipped with outer expanding taper section complex tapered friction surface that contracts, interior locking cover inner wall be equipped with the convex arch of wire rope fag end complex, the outer end of connecting the end cap be provided with the connecting hole of being used for the connecting device of automatic locking of wire rope fag end to be connected with another set, the one side of connecting the interior locking cover of orientation is provided with the toper expansion head, the threaded connection section with connect end cap screw-thread fit.
Furthermore, the conical expansion head comprises a pointed conical section and a cylindrical section which are arranged in the rope head of the steel wire rope, the outer wall of the pointed conical section is matched with the arc-shaped bulge in shape, and the middle part of the rope head of the steel wire rope is fixed between the pointed conical section and the arc-shaped bulge; the outer wall of the cylindrical section is matched with the shape of the threaded connection section, and the end part of the rope head of the steel wire rope is fixed between the cylindrical section and the threaded connection section. Therefore, the rope head of the steel wire rope can be tightly attached to the inner locking sleeve and the outer locking sleeve.
Further, the conicity of the circular arc-shaped bulge is 1: 0.2. therefore, the circular arc bulge can be matched with the pointed conical section through the conicity of the circular arc bulge to clamp the rope head of the steel wire rope.
Further, the taper of the outer contracting and inner expanding type conical section and the taper of the conical friction surface are both 1: 0.03. therefore, the inner locking sleeve can clamp the rope head of the steel wire rope through the taper fit of the outer locking sleeve and the inner locking sleeve.
The utility model has the advantages that: the expanded steel wire rope can smoothly contact with the inner locking sleeve, so that the rope head of the steel wire rope can be tightly attached to the inner locking sleeve and the outer locking sleeve. According to the shape of the inner diameter of the inner locking sleeve, the head of the conical expansion sleeve is in a slender shape, so that the expansion head can enter the steel wire rope more deeply, the friction force between the steel wire rope and the locking sleeve is increased, and the safety of the automatic locking device for the rope head of the steel wire rope is further improved. The steel wire rope can be adapted to steel wire ropes with different diameters, and has universal matching performance.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the outer locking sleeve;
FIG. 3 is a schematic view of the internal structure of the inner locking sleeve;
fig. 4 is a schematic structural view of the connecting plug.
In the figure: an outer locking sleeve 1 (wherein, an outer contracting and inner expanding type conical section 1.1 and a threaded connection section 1.2), an inner locking sleeve 2 (wherein, a conical friction surface 2.1 and a circular arc bulge 2.2), a connection plug 3 (wherein, a connection hole 3.1, a conical expansion head 3.2, a pointed conical section 3.2.1 and a cylindrical section 3.2.2), and a wire rope head 4.
Detailed Description
The invention will be described in further detail with reference to the following drawings and specific embodiments:
referring to fig. 1-4, a connecting device for automatically locking a rope end of a steel wire rope is arranged on the rope end 4 of the steel wire rope and comprises an outer locking sleeve 1 and an inner locking sleeve 2 which are in tubular structures, the outer locking sleeve 1 is also provided with a connecting plug 3, the inner wall of the outer locking sleeve 1 is divided into an outer contracting and inner expanding type conical section 1.1 and a threaded connecting section 1.2, the inner locking sleeve 2 is of a two-petal structure, the outer wall of the inner locking sleeve 2 is provided with a conical friction surface 2.1 matched with the outer contracting and expanding conical section 1.1, the inner wall of the inner locking sleeve 2 is provided with a circular arc bulge 2.2 matched with the rope head 4 of the steel wire rope, the outer end of the connecting plug 3 is provided with a connecting hole 3.1 which is connected with another set of connecting device for automatically locking the rope head of the steel wire rope, one side of the connecting plug 3 facing the inner locking sleeve 2 is provided with a conical expansion head 3.2, and the threaded connecting section 1.2 is in threaded fit with the connecting plug 3. The conical expansion head 3.2 comprises a pointed conical section 3.2.1 and a cylindrical section 3.2.2 which are arranged in the rope head 4 of the steel wire rope, the outer wall of the pointed conical section 3.2.1 is matched with the shape of the circular arc-shaped bulge 2.2, and the middle part of the rope head 4 of the steel wire rope is fixed between the pointed conical section 3.2.1 and the circular arc-shaped bulge 2.2; the outer wall of the cylindrical section 3.2.2 is matched with the threaded connection section 1.2 in shape, and the end part of the rope head 4 of the steel wire rope is fixed between the cylindrical section 3.2.2 and the threaded connection section 1.2. The conicity of the circular arc bulge 2.2 is 1: 0.2. the conicity of the external contraction and internal expansion type conical section 1.1 and the conical friction surface 2.1 is 1: 0.03.
when the utility model is used in practice,
the connecting plug 3 is unscrewed from the threaded connection section 1.2 of the outer locking sleeve 1, then the steel wire rope head 4 penetrates through the outer locking sleeve 1, the inner locking sleeve 2 is arranged at a proper position outside the steel wire rope head 4, the steel wire rope head 4 is tensioned to enable the inner locking sleeve 2 to enter the outer locking sleeve 1, finally the connecting plug 3 is screwed into the threaded connection section 1.2 of the outer locking sleeve 1, and then the conical expansion head 3.2 is screwed into the steel wire rope head 4 to be locked by means of tool stressing such as round steel, short crow bars and the like. Namely, the installation work of the connecting device for automatically locking the rope end of the steel wire rope is completed.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, above-mentioned structure should all be regarded as belonging to the utility model discloses a protection scope.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a connecting device that is used for automatic locking of wire rope fag end, sets up on wire rope fag end (4), its characterized in that: comprises an outer locking sleeve (1) and an inner locking sleeve (2) which are of tubular structures, wherein the outer locking sleeve (1) is also provided with a connecting plug (3),
the inner wall of the outer locking sleeve (1) is divided into an outer contracting and inner expanding type conical section (1.1) and a threaded connection section (1.2),
the inner locking sleeve (2) is of a two-piece structure, the outer wall of the inner locking sleeve (2) is provided with a conical friction surface (2.1) matched with the outer contracting and expanding conical section (1.1), the inner wall of the inner locking sleeve (2) is provided with a circular arc-shaped bulge (2.2) matched with the rope head (4) of the steel wire rope,
the outer end of connecting end cap (3) is provided with connecting hole (3.1) of being connected with another set of connecting device that is used for the automatic locking of wire rope fag end, it is provided with toper expansion head (3.2) to connect end cap (3) towards one side of interior locking cover (2), threaded connection section (1.2) with connect end cap (3) screw-thread fit.
2. A connecting device for automatic locking of a rope head of a steel wire rope according to claim 1, characterized in that: the conical expansion head (3.2) comprises a conical section (3.2.1) and a cylindrical section (3.2.2) which are arranged in the wire rope head (4),
the outer wall of the pointed conical section (3.2.1) is matched with the arc-shaped bulge (2.2) in shape, and the middle part of the wire rope head (4) is fixed between the pointed conical section (3.2.1) and the arc-shaped bulge (2.2);
the outer wall of the cylindrical section (3.2.2) is matched with the threaded connection section (1.2) in shape, and the end part of the steel wire rope head (4) is fixed between the cylindrical section (3.2.2) and the threaded connection section (1.2).
3. A connecting device for automatic locking of a rope head of a steel wire rope according to claim 2, characterized in that: the conicity of the circular arc-shaped bulge (2.2) is 1: 0.2.
4. a connection device for automatic locking of a rope head of a steel rope according to claim 3, characterized in that: the conicity of the external contraction and internal expansion type conical section (1.1) and the conical friction surface (2.1) is 1: 0.03.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021079179.1U CN212959695U (en) | 2020-06-11 | 2020-06-11 | Connecting device for automatically locking rope head of steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021079179.1U CN212959695U (en) | 2020-06-11 | 2020-06-11 | Connecting device for automatically locking rope head of steel wire rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959695U true CN212959695U (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021079179.1U Active CN212959695U (en) | 2020-06-11 | 2020-06-11 | Connecting device for automatically locking rope head of steel wire rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959695U (en) |
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2020
- 2020-06-11 CN CN202021079179.1U patent/CN212959695U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210628 Address after: 436050 Chengchao Iron Mine, No.1, Chengchao street, Zelin Town, Echeng District, Ezhou City, Hubei Province Patentee after: WUGANG RESOURCE GROUP CHENGCHAO MINING INDUSTRY Co.,Ltd. Address before: Wuhan resources group, WISCO building, No.999, Youyi Avenue, Qingshan District, Wuhan City, Hubei Province 430080 Patentee before: WUGANG RESOURCE GROUP Co.,Ltd. |