CN203754303U - Slanting connection device - Google Patents
Slanting connection device Download PDFInfo
- Publication number
- CN203754303U CN203754303U CN201420035440.6U CN201420035440U CN203754303U CN 203754303 U CN203754303 U CN 203754303U CN 201420035440 U CN201420035440 U CN 201420035440U CN 203754303 U CN203754303 U CN 203754303U
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- CN
- China
- Prior art keywords
- rigging
- hanger
- arm
- hinged
- balance block
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a slanting connection device which comprises a connection plate, a rigging, two pull plates and two balance blocks, wherein a pull plate lifting lug is arranged at one end of each of the two pull plates; the other end of each of the two pull plates is provided with a connection structure connected with a lifting arm; the rigging comprises a first rigging and a second rigging; a lifting lug at one end of the first rigging is hinged to a supporting frame of an amplitude change mechanism, which is used for mounting a movable pulley group; the lifting lug at the other end of the first rigging is hinged to one end of each balance block; the lifting lug at one end of the second rigging is hinged to the supporting frame, and the lifting lug at the other end of the second rigging is hinged to one end of the other balance block; the other end of one balance block, the pull plate lifting lug of one pull plate and one end of the connection plate are hinged with one another, and the other end of the other balance block, the pull plate lifting lug of the other pull plate and the other end of the connection plate are hinged with one another. The slanting connection device can adjust the stress of the first rigging and the second rigging to be uniform, and is long in service life.
Description
Technical field
The utility model relates to hoisting crane field, particularly a kind of oblique connecting device.
Background technology
In ocean engineering hoisting crane, rope luffing hoisting crane is widely used.Rope luffing hoisting crane generally includes lifting mechanism, luffing mechanism and the large operating mechanism of swing type mechanism three.
Wherein, the luffing mechanism of rope luffing hoisting crane generally includes: bracing frame, running block, fixed pulley group and be wrapped in running block and fixed pulley group between variable-amplitude steel wire rope, running block is arranged on bracing frame, the fixed pulley group of luffing mechanism is arranged at the top of the A cabinet frame of hoisting crane by bracket, the two ends of bracing frame are connected with the both sides of the arm of hoisting crane by two attaching partss (being generally framing member) respectively.Rope luffing hoisting crane is put rope action by the rope closing of variable-amplitude steel wire rope and is changed the luffing angle of arm, and then realizes the luffing operation of many multiplying powers rope luffing hoisting crane.
Realizing in process of the present utility model, designer finds that prior art at least exists following problem:
Two attaching partss are connected between variable-amplitude steel wire rope and arm, when attaching parts is because manufacturing errors etc. is former thereby while causing two attaching partss different in size, these two attaching partss can not regulate, make two attaching partss in use can be because of stressed seriously inhomogeneous, and cause shorten the service life of attaching parts, even can affect the safety of the luffing operation of hoisting crane.
Utility model content
The problem that has discontinuity in order to solve attaching parts in prior art, the utility model embodiment provides a kind of oblique connecting device.Described technical scheme is as follows:
The utility model provides a kind of oblique connecting device, is applicable to connect the arm of hoisting crane and the luffing mechanism of described hoisting crane, and described oblique connecting device comprises: gusset piece, rigging, two arm-ties and two balance blocks.
One end of two described arm-ties is respectively equipped with arm-tie hanger, and the other end of two described arm-ties is respectively equipped with the connection structure for being connected with described arm.
The two ends of described rigging are respectively arranged with hanger, described rigging comprises the first rigging and the second rigging, the described hanger of one end of described the first rigging and described luffing mechanism hinged for the bracing frame of running block is installed, the described hanger of the other end of described the first rigging and one end of a described balance block are hinged, described hanger and the support frame as described above of one end of described the second rigging are hinged, the described hanger of the other end of described the second rigging and described in another one end of balance block hinged.
One end of the other end of a described balance block, the described arm-tie hanger of a described arm-tie and described gusset piece is hinged, the other end of balance block described in another, described in another described arm-tie hanger of arm-tie and the other end of described gusset piece hinged.
Hinged described hanger and described balance block relatively rotate axis and hinged described balance block, described arm-tie hanger and described gusset piece relatively rotate axis all perpendicular to horizontal direction.
Particularly, described connection structure is hanger, and the axis of through hole on described hanger is and is horizontally disposed with.
Further, described connection structure, described hanger and described arm-tie hanger are fork ear formula hanger.
Particularly, described gusset piece is two, and described balance block is located between two described gusset pieces.
Further, described the first rigging and described the second rigging are arranged symmetrically with.
Further, described rigging comprises two described the first riggings that be arranged in parallel and two described the second riggings that be arranged in parallel.
Further, described balance block is triangular shape, one end of described balance block be provided with for hinged the first mounting hole of the described arm-tie hanger of described arm-tie and one end of described gusset piece, the other end of described balance block is provided with and is respectively used to and two two the second mounting holes that described hanger is hinged.
Particularly, described rigging comprises described first rigging and described second rigging.
Particularly, described balance block is strip, one end of described balance block is provided with for first mounting hole hinged with described hanger, the other end of described balance block be provided with for hinged the second mounting hole of the described arm-tie hanger of described arm-tie and one end of described gusset piece.
Further, described hinged be bearing pin connect.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: the oblique connecting device that the utility model provides, can drive rigging automatic rotation by balance block, and make every rigging stressed evenly by the rotation of balance block, thereby extend the service life of oblique connecting device, and then improved the safety in the time that luffing operates of ocean engineering hoisting crane.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the plan structure schematic diagram of the oblique connecting device that provides of the utility model embodiment mono-;
Fig. 2 is the local structure for amplifying schematic diagram of I in Fig. 1;
Fig. 3 is the structural representation of balance block in Fig. 1.
Fig. 4 is the side-looking structural representation of the oblique connecting device that provides of the utility model embodiment mono-;
Fig. 5 is the local structure for amplifying schematic diagram of II in Fig. 4;
Fig. 6 is the plan structure schematic diagram of the oblique connecting device that provides of the utility model embodiment bis-;
Fig. 7 is the local structure for amplifying schematic diagram of I in Fig. 6;
Fig. 8 is the structural representation of balance block in Fig. 6;
In figure: 1-rigging, 1 '-rigging, 1a-the first rigging, 1a '-the first rigging, 1b '-the second rigging, 1b-the second rigging, 2-arm-tie, 2 '-arm-tie, 3-bracing frame, 3 '-bracing frame, 4-arm, 4 '-arm, 5-balance block, 5 '-balance block, 5a-the first mounting hole, 5a '-the first mounting hole, 5b-the second mounting hole, 5b '-the second mounting hole, 6-gusset piece, 6 '-gusset piece, 7-bearing pin.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment mono-
The utility model provides a kind of oblique connecting device, is applicable to connect the arm of hoisting crane and the luffing mechanism of hoisting crane, and as shown in Figure 1, Figure 2 and Figure 3, this oblique connecting device comprises: gusset piece 6, rigging 1, two arm-ties 2 and two balance blocks 5.
One end of two arm-ties 2 is respectively equipped with arm-tie hanger, and the other end of two arm-ties 2 is respectively equipped with the connection structure for being connected with arm 4.
The two ends of rigging 1 are respectively arranged with hanger, rigging 1 comprises the first rigging 1a and the second rigging 1b, the hanger of one end of the first rigging 1a and luffing mechanism hinged for the bracing frame 3 of running block is installed, one end of the hanger of the other end of the first rigging 1a and a balance block 5 is hinged, the hanger of one end of the second rigging 1b and bracing frame 3 are hinged, and one end of the hanger of the other end of the second rigging 1b and another balance block 5 is hinged.One end of the other end of a balance block 5, the arm-tie hanger of an arm-tie 2 and gusset piece 6 is hinged, and the other end of the other end of another balance block 5, the arm-tie hanger of another arm-tie 2 and gusset piece 6 is hinged.
Hinged hanger and balance block 5 relatively rotate axis, and hinged balance block 5, arm-tie hanger and gusset piece 6 relatively rotate axis all perpendicular to horizontal direction, referring to Fig. 4 and Fig. 5, the oblique connecting device that the present embodiment is only arranged taking horizontal direction in Fig. 4 and Fig. 5 describes as example, be appreciated that, in actual use, this oblique connecting device can be arranged in the other direction, so correspondingly, the hanger that this is hinged and balance block 5 relatively rotate axis, and hinged balance block 5, the direction that relatively rotates axis of arm-tie hanger and gusset piece 6 also can change.
Particularly, connection structure can be hanger, and the axis of through hole on hanger is and is horizontally disposed with.Because existing connection structure is connected by the hinged realization of hanger with arm 4, so, in order to reduce manufacturing procedure, the connection structure of the present embodiment still can adopt the hanger on existing arm 4 to realize connection.
Particularly, as shown in Figure 4, arm-tie 2 can be a long plate shape structure, and the axis of arm-tie hanger and the mounting hole in connection structure is mutually vertical.
Particularly, in the present embodiment, connection structure, hanger and arm-tie hanger are fork ear formula hanger, and fork ear formula hanger can make hinged more firm.Understandably, in other embodiments, connection structure, hanger and arm-tie hanger can be also monaural formula hanger.
Further, as shown in Figure 2, hinged can connection for bearing pin 7, particularly, the other end of two arm-ties 2 is connected by bearing pin 7 with arm 4, the hanger of the other end of the first rigging 1a is connected by bearing pin 7 with one end of a balance block 5, the hanger of one end of the second rigging 1b is connected by bearing pin 7 with bracing frame 3, the hanger of the other end of the second rigging 1b is connected by bearing pin 7 with one end of another balance block 5, the other end of a balance block 5, the arm-tie hanger of an arm-tie 2 and one end of gusset piece 6 connect by bearing pin 7, the other end of another balance block 5, the arm-tie hanger of another arm-tie 2 and the other end of gusset piece 6 connect by bearing pin 7.
Further, as shown in Figure 5, gusset piece 6 is two, and balance block 5 is located between two gusset pieces 6.The ability that two gusset pieces 6 can be strengthened gusset piece 6 and bear application force.
Particularly, the first rigging 1a and the second rigging 1b are arranged symmetrically with.
Particularly, rigging 1 comprises two the first rigging 1a that be arranged in parallel and two the second rigging 1b that be arranged in parallel.
Correspondingly, in the present embodiment, as shown in Figure 3, balance block 5 is triangular shape, one end of balance block 5 be provided with for the arm-tie hanger of arm-tie 2 and hinged the first mounting hole 5a in one end of gusset piece 6, the other end (i.e. a side relative with the one end that is provided with the first mounting hole) of balance block 5 is provided with and is respectively used to and two two the second mounting hole 5b that hanger is hinged.In the time of the discontinuity of the first rigging 1a and the second rigging 1b, two balance blocks 5 are for adapting to the first rigging 1a and the second rigging 1b discontinuity rotates, thereby the position of adjusting the first rigging 1a and the second rigging 1b makes the two stressed evenly, and then extend oblique connecting device service life.
Particularly, as shown in Figure 2, now introduce the principle of work that oblique connecting device regulates the first one-sided rigging 1a: this balance block 5 can be arranged to triangle (referring to Fig. 3), two suffered tension force of the first rigging 1a are respectively F1 and F2, referring to Fig. 2, in the time of two the first rigging 1a equal in length, F1=F2, in the time of two the first rigging 1a stressed unequal, and error limit △≤60mm), F1 ≠ F2, the second mounting hole 5b center of balance block 5 is rotated, by adjusting the position of two the first rigging 1a, make the hand of rotation hand of rotation uneven by tension force with two the first rigging 1a and that produce of balance block 5 identical, rotation by balance block 5 finally makes F1=F2, thereby ensure that two suffered tension force of the first rigging 1a equate, in like manner, the principle of work of two the second rigging 1b is identical, can make the first rigging 1a and the second rigging 1b tension force equate by the adjusting of balance block 5.
The oblique connecting device that the utility model provides, in the time of the discontinuity of the first rigging and the second rigging, two balance blocks are for adapting to the first rigging and the second rigging discontinuity rotates, thereby the position of adjusting the first rigging and the second rigging finally makes the two stressed evenly, simultaneously, in the time of two the first riggings or two the second rigging discontinuity, this balance block equally can by rotation make two the first riggings or two the second riggings stressed evenly, and then extend oblique connecting device service life, improve the safety in the time that luffing operates of ocean engineering hoisting crane.
Embodiment bis-
The structure of the present embodiment and embodiment mono-is basic identical, and difference is: in the present embodiment, as shown in Figure 6 and Figure 7, rigging 1 ' comprises a first rigging 1a ' and a second rigging 1b '.
Correspondingly, in the present embodiment, as shown in Figure 8, balance block 5 ' can be strip, one end of balance block 5 ' is provided with for the first mounting hole 5a ' hinged with hanger, the other end of balance block 5 ' be provided with for the arm-tie hanger of arm-tie 2 ' and hinged the second mounting hole 5b ' in one end of gusset piece 6 '.
As shown in Figure 6 and Figure 7, now introduce its principle with the gusset piece 6 ' in embodiment bis-, and this gusset piece 6 ' is identical with the principle of the gusset piece 6 in embodiment mono-, when the oblique connecting device that the utility model is provided is arranged on bracing frame 3 ' width and is greater than the width that arm 4 ' connects, be subject to the first tension force effect along the axis of the first rigging 1a ', be subject to the second tension force effect along the axis of the second rigging 1b ', the first tension force and the second tension force can be decomposed into two component (referring to Fig. 2) of V and H direction, the size and Orientation of the first rigging 1a ' and the component of the suffered tension force of the second rigging 1b ' in the direction of H direction is all identical, but the identical opposite direction of the size of the component in V direction, the H direction component that the first rigging 1a ' and the second rigging 1b ' produce is delivered on arm 4 ' by arm-tie 2 ', if but the component in V direction is loaded into respectively on the arm-tie 2 ' of both sides, arm-tie 2 ' can produce larger moment of flexure, to affecting greatly the service life of arm-tie 2 ', by gusset piece 6 ' is installed, component in the V direction of the opposite direction that the first rigging 1a ' and the second rigging 1b ' are produced is passed to gusset piece 6 ' and goes up and reach stress balance, i.e. component in this V direction of internal consumption of gusset piece 6 ', avoid arm-tie 2 ' to produce larger moment of flexure, simultaneously, directly the component in H direction is delivered on arm 4 ' by arm-tie 2 ', greatly improve the stressing conditions of oblique connecting device, in like manner, when the oblique connecting device that the utility model is provided is arranged on bracing frame 3 ' width and is less than the width that arm 4 ' connects, this gusset piece 6 ' still can avoid arm-tie 2 ' to produce larger moment of flexure, thereby greatly improve the stressing conditions of oblique connecting device.
Oblique connecting device provided by the invention, in the time of the discontinuity of the first rigging and the second rigging, two balance blocks are that the discontinuity that adapts to the first rigging and the second rigging can rotate, thereby the position of adjusting the first rigging and the second rigging makes the two stressed evenly, and then oblique connecting device service life, the safety in the time that luffing operates that has improved ocean engineering hoisting crane are extended.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an oblique connecting device, is applicable to connect the arm of hoisting crane and the luffing mechanism of described hoisting crane, it is characterized in that, described oblique connecting device comprises: gusset piece, rigging, two arm-ties and two balance blocks,
One end of two described arm-ties is respectively equipped with arm-tie hanger, and the other end of two described arm-ties is respectively equipped with the connection structure for being connected with described arm;
The two ends of described rigging are respectively arranged with hanger, described rigging comprises the first rigging and the second rigging, the described hanger of one end of described the first rigging and described luffing mechanism hinged for the bracing frame of running block is installed, the described hanger of the other end of described the first rigging and one end of a described balance block are hinged, described hanger and the support frame as described above of one end of described the second rigging are hinged, the described hanger of the other end of described the second rigging and described in another one end of balance block hinged;
One end of the other end of a described balance block, the described arm-tie hanger of a described arm-tie and described gusset piece is hinged, the other end of balance block described in another, described in another described arm-tie hanger of arm-tie and the other end of described gusset piece hinged;
Hinged described hanger and described balance block relatively rotate axis and hinged described balance block, described arm-tie hanger and described gusset piece relatively rotate axis all perpendicular to horizontal direction.
2. oblique connecting device according to claim 1, is characterized in that, described connection structure is hanger, and the axis of through hole on described hanger is and is horizontally disposed with.
3. oblique connecting device according to claim 2, is characterized in that, described connection structure, described hanger and described arm-tie hanger are fork ear formula hanger.
4. oblique connecting device according to claim 1, is characterized in that, described gusset piece is two, and described balance block is located between two described gusset pieces.
5. oblique connecting device according to claim 1, is characterized in that, described the first rigging and described the second rigging are arranged symmetrically with.
6. according to the oblique connecting device described in claim 1-5 any one, it is characterized in that, described rigging comprises two described the first riggings that be arranged in parallel and two described the second riggings that be arranged in parallel.
7. oblique connecting device according to claim 6, it is characterized in that, described balance block is triangular shape, one end of described balance block be provided with for hinged the first mounting hole of the described arm-tie hanger of described arm-tie and one end of described gusset piece, the other end of described balance block is provided with and is respectively used to and two two the second mounting holes that described hanger is hinged.
8. according to the oblique connecting device described in claim 1-5 any one, it is characterized in that, described rigging comprises described first rigging and described second rigging.
9. oblique connecting device according to claim 6, it is characterized in that, described balance block is strip, one end of described balance block is provided with for first mounting hole hinged with described hanger, the other end of described balance block be provided with for hinged the second mounting hole of the described arm-tie hanger of described arm-tie and one end of described gusset piece.
10. according to the oblique connecting device described in claim 1-5 any one, it is characterized in that, described hinged be bearing pin connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035440.6U CN203754303U (en) | 2014-01-21 | 2014-01-21 | Slanting connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035440.6U CN203754303U (en) | 2014-01-21 | 2014-01-21 | Slanting connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203754303U true CN203754303U (en) | 2014-08-06 |
Family
ID=51249602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420035440.6U Withdrawn - After Issue CN203754303U (en) | 2014-01-21 | 2014-01-21 | Slanting connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203754303U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787688A (en) * | 2014-01-21 | 2015-07-22 | 武汉船用机械有限责任公司 | Diagonal connection apparatus |
| EP3705446A4 (en) * | 2017-12-06 | 2021-01-06 | Kobelco Construction Machinery Co., Ltd. | Intermediate support holder for construction machinery |
-
2014
- 2014-01-21 CN CN201420035440.6U patent/CN203754303U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787688A (en) * | 2014-01-21 | 2015-07-22 | 武汉船用机械有限责任公司 | Diagonal connection apparatus |
| CN104787688B (en) * | 2014-01-21 | 2018-11-30 | 武汉船用机械有限责任公司 | A kind of oblique attachment device |
| EP3705446A4 (en) * | 2017-12-06 | 2021-01-06 | Kobelco Construction Machinery Co., Ltd. | Intermediate support holder for construction machinery |
| AU2018380357B2 (en) * | 2017-12-06 | 2021-06-24 | Kobelco Construction Machinery Co., Ltd. | Intermediate support holder for construction machinery |
| US11319196B2 (en) | 2017-12-06 | 2022-05-03 | Kobelco Construction Machinery Co., Ltd. | Intermediate support holder for construction machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20181130 |