CN104150378A - Truss arm structure and engineering machine - Google Patents
Truss arm structure and engineering machine Download PDFInfo
- Publication number
- CN104150378A CN104150378A CN201410300992.XA CN201410300992A CN104150378A CN 104150378 A CN104150378 A CN 104150378A CN 201410300992 A CN201410300992 A CN 201410300992A CN 104150378 A CN104150378 A CN 104150378A
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- truss arm
- arm
- truss
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Abstract
The invention provides a truss arm structure and an engineering machine. The truss arm structure comprises a first truss arm and a second truss arm, wherein the first truss arm and the second truss arm are symmetrically arranged in the width direction and are detachably connected with each other. According to the truss arm structure and the engineering machine, requirements on limitation of a transportation size and improvement of the load carrying capacity of an arm frame can be met simultaneously.
Description
Technical field
The present invention relates to jib field, refer to especially a kind of truss arm structure and construction machinery and equipment.
Background technology
The jib of construction machinery and equipment belongs to core component, and with the jib of hoisting crane, its ability has directly determined the load capacity of hoisting crane.Because crane transition needs road transport conventionally, whether the size of each transportation module and weight meet road transport standard has determined its traffic cost, and therefore, the jib that design meets the requirement of transport standard size becomes a kind of inexorable trend.The constraint of jib size has limited the ability of jib, thereby has limited the load capacity of hoisting crane.
Existing each jib (as crawler crane jib) single arm support forms that adopt more, owing to being subject to the restriction of jib transport width, in long-armed operating mode situation, the lateral stability of whole boom system is poor, limit jib load capacity, thereby had influence on client's practical application and device security.
Summary of the invention
The present invention aims to provide a kind of truss arm structure and construction machinery and equipment, cannot in the time meeting transportation clearance standard, ensure the problem of jib load capacity to solve existing truss arm structure.
On the one hand, the invention provides a kind of truss arm structure, comprise the first truss arm and the second truss arm, described the first truss arm and described the second truss arm are symmetrical arranged and removably connect on Width.
Further, described the first truss arm is by two main chord tubes that be arranged in parallel and the many truss arms that cornical forms.
Further, described many cornicals comprise many first cornicals, many second cornicals, many 3rd cornicals and many 4th cornicals; Described in each, the two ends of the first cornical connect respectively two described main chord tubes, and one in adjacent two described the first cornicals and two described main chord tubes forms triangular structure; Described in each, one end of the second cornical connects in two described main chord tubes, and one in adjacent two described the second cornicals and two described main chord tubes is connected to form triangular structure; Described in each, one end of the 3rd cornical connects another root in two described main chord tubes, and another root in adjacent two described the 3rd cornicals and two described main chord tubes is connected to form triangular structure; The two ends of described the 4th cornical connect respectively the other end of described the second cornical and the other end of described the 3rd cornical.
Further, described in each, the angle of the first cornical and two described main chord tubes is less than 90 °.
Further, described many cornicals also comprise two the 5th cornicals, two described the 5th cornicals lay respectively at the two ends of described main chord tube, and the two ends of two described the 5th cornicals connect two described main chord tubes respectively, and described in each, the angle of the 5th cornical and two described main chord tubes is 90 °.
Further, described truss arm structure also comprises: First Transition joint arm and the second transition segment arm, one end of described First Transition joint arm connects one end of described the first truss arm and described the second truss arm, and one end of described the second transition segment arm connects the other end of described the first truss arm and described the second truss arm.
Further, described truss arm structure also comprises: the 3rd truss arm and the 4th truss arm, the other end of described First Transition joint arm connects described the 3rd truss arm, the other end of described the second transition segment arm connects one end of described the 4th truss arm, and the other end of described the 4th truss arm connects arm head.
Further, described truss arm structure also comprises: the 5th truss arm, described the 5th truss arm is arranged between described the first truss arm and described the second truss arm, and removably connects with described the first truss arm and described the second truss arm respectively.
On the other hand, the invention provides a kind of construction machinery and equipment, be provided with described truss arm structure.
Further, described construction machinery and equipment is hoisting crane.
When the present invention passes through in working order, the first truss arm and described the second truss arm are connected to form to composite roof truss arm, its width in the time of the state of use exceedes conventional jib, thereby promotes jib load capacity; In the time of travelling position, remove the annexation of the first truss arm and described the second truss arm, to meet jib transportation clearance standard, solve the problem of wide jib transporting over-wide.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, 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 existing single truss arm structural representation;
The structural representation of the truss arm structure that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is that in Fig. 2, the first truss arm and the second truss arm are taken the structural representation while connection apart;
Fig. 4 is the first truss arm and the connection diagram of the second truss arm when in running order in Fig. 2;
Fig. 5 is that in Fig. 2, the first truss arm and the second truss arm are taken the structural representation that while connection, dislocation is placed apart;
Fig. 6 is the first truss arm and the connection diagram of the second truss arm in the time of travelling position in Fig. 2;
The structural representation of the truss arm structure that Fig. 7 provides for another embodiment of the present invention.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Referring to Fig. 2-Fig. 6, show the preferred embodiment of truss arm structure provided by the invention.This truss arm structure comprises: the first truss arm 3 (can be called and increase joint arm) and the second truss arm 4, described the first truss arm 3 is symmetrical arranged and removably connects with described the second truss arm 4 on Width, as removably connected by bearing pin, with respect to existing single truss arm, increase width, strengthened the performance of jib.
Particularly, as shown in Fig. 3-Fig. 6, described the first truss arm 3 is by two main chord tubes that be arranged in parallel (as main chord tube 35 and main chord tube 36) and the many truss arms that cornical forms.Described many cornicals comprise many first cornicals 31, many second cornicals 32, many 3rd cornicals 33 and many 4th cornicals 34; Described in each, the two ends of the first cornical 31 connect respectively two described main chord tubes, and (as main chord tube 35) in adjacent two described the first cornicals 31 and two described main chord tubes forms triangular structure; Described in each, one end of the second cornical 32 connects (as main chord tube 36) in two described main chord tubes, and one in adjacent two described the second cornicals 32 and two described main chord tubes is connected to form triangular structure; Described in each, one end of the 3rd cornical 33 connects another root in two described main chord tubes, and another root in adjacent two described the 3rd cornicals 33 and two described main chord tubes is connected to form triangular structure; The two ends of described the 4th cornical 34 connect respectively the other end of described the second cornical 32 and the other end of described the 3rd cornical 33.Described in each, the angle of the first cornical 31 and two described main chord tubes is less than 90 °.The symmetrical configuration setting of the second truss arm 4 and the first truss arm 3, repeats no more.
As shown in Figure 4, in working order time, the point of connection of adjacent two second cornicals 32 of the first truss arm 3 is connected by bearing pin with the point of connection of adjacent two second cornicals 42 of the second truss arm 4, the point of connection of adjacent two the 3rd cornicals 33 of the first truss arm 3 is connected by bearing pin with the point of connection of adjacent two second cornicals 43 of the second truss arm 4, like this, form the composite roof truss arm being formed by the first truss arm 3 and the second truss arm 4, than existing single truss arm, increase width, strengthened the performance of jib.As shown in Figures 5 and 6, in the time preparing transport truss arm structure provided by the invention, first remove the annexation of the first truss arm 3 and the second truss arm 4, because the first truss arm 3 and the second truss arm 4 are symmetrical truss structure, placement can misplace the first truss arm 3 and the second truss arm 4, until the state that the first truss arm 3 as shown in Figure 6 and the second truss arm 4 embed mutually, when concrete operations, each interior angle of adjacent two the second cornical 42 place triangular structures of each interior angle of adjacent two second cornical 32 place triangular structures of the first truss arm 3 and each interior angle of adjacent two the 3rd cornical 33 place triangular structures and the second truss arm 4 and each interior angle of adjacent two the 3rd cornical 43 place triangular structures can be adjusted according to actual needs, be advisable to make the first truss arm 3 and the mutual embedding degree of the second truss arm 4 can meet transportation request, in the time of the first truss arm 3 and the complete embedding mutually of the second truss arm 4, the first truss arm 3 in travelling position and the second truss arm 4 integral width are consistent with the width of the first truss arm 3 (or second truss arm 4).
Preferably, in order to make integral structure more stable, described many cornicals also comprise two the 5th cornicals 35, two described the 5th cornicals 35 lay respectively at the two ends of described main chord tube, and the two ends of two described the 5th cornicals 35 connect two described main chord tubes respectively, described in each, the angle of the 5th cornical 35 and two described main chord tubes is 90 °.
Preferably, described truss arm structure also comprises: First Transition joint arm 2 and the second transition segment arm 5, one end of described First Transition joint arm 2 connects one end of described the first truss arm 3 and described the second truss arm 4, and one end of described the second transition segment arm 5 connects the other end of described the first truss arm 3 and described the second truss arm 4.By First Transition joint arm 2 and the second transition segment arm 5 are set, be convenient to comprise that the composite roof truss arm of the first truss arm 3 and the second truss arm 4 is connected with single truss arm, to meet the needs of various operating modes, as shown in Figure 2, described truss arm structure also comprises: the 3rd truss arm 1 and the 4th truss arm 6, the other end of described First Transition joint arm 2 connects described the 3rd truss arm 1, the other end of described the second transition segment arm 5 connects one end of described the 4th truss arm 6, and the other end of described the 4th truss arm 6 connects arm head 7.The 3rd truss arm 1 and the 4th truss arm 6 are single truss arm.For the version of First Transition joint arm 2 and the second transition segment arm 5, it can be single truss arm, also can be the composite roof truss arm of two symmetrical single truss arm compositions, concrete according to comprising that the composite roof truss arm of the first truss arm 3 and the second truss arm 4 and the width difference of the 3rd truss arm 1 and the 4th truss arm 6 determine, in the time that the width difference of combinations thereof truss arm and the 3rd truss arm 1 and the 4th truss arm 6 is larger, the stress bearing for fear of First Transition joint arm 2 and the second transition segment arm 5 is excessive, First Transition joint arm 2 and the second transition segment arm 5 can adopt the form of composite roof truss arm, in the time that the width difference of combinations thereof truss arm and the 3rd truss arm 1 and the 4th truss arm 6 is little, the stress that First Transition joint arm 2 and the second transition segment arm 5 bear is also little, First Transition joint arm 2 and the second transition segment arm 5 can adopt the form of single truss arm.
When the present embodiment truss arm structure is passed through in working order, by two and the above rear enhancement mode increasing joint arm that forms of increasing joint arm combination, again enhancement mode is increased to joint arm and save arm by First Transition and the second transition segment arm is connected with the 3rd truss arm and the 4th truss arm that are single truss arm, form the jib of compound type list truss arm structure, it can be realized and meeting under the prerequisite of jib transportation clearance standard, jib width in the time of the state of use exceedes conventional jib, thereby promote jib load capacity, jib is lightweight simultaneously, cost is low, and there is good dismounting convenience, particularly can be widely used in medium and small tonnage caterpiller crane.
As shown in Figure 7, in order to meet better the needed size of jib working ability, described truss arm structure also comprises: the 5th truss arm 8, described the 5th truss arm 8 is arranged between described the first truss arm 3 and described the second truss arm 4, and removably connects with described the second truss arm 4 with described the first truss arm 3 respectively; By composite roof truss arm being comprised to two above single truss arms, can, in the time of work, increase the size of composite roof truss arm, promote the ability of jib and the load capacity of complete machine (as hoisting crane).
The present invention also provides a kind of construction machinery and equipment, is provided with described truss arm structure.Particularly, described construction machinery and equipment can include but not limited to hoisting crane.This project machinery has the corresponding technique effect of above-mentioned truss arm structure, repeats no more.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a truss arm structure, it is characterized in that, comprise: the first truss arm (3) and the second truss arm (4), described the first truss arm (3) is symmetrical arranged and removably connects with described the second truss arm (4) on Width.
2. truss arm structure according to claim 1, is characterized in that, described the first truss arm (3) is by two main chord tubes that be arranged in parallel and the many truss arms that cornical forms.
3. truss arm structure according to claim 2, it is characterized in that, described many cornicals comprise many first cornicals (31), many second cornicals (32), many 3rd cornicals (33) and many 4th cornicals (34); Described in each, the two ends of the first cornical (31) connect respectively two described main chord tubes, and one in adjacent two described the first cornicals (31) and two described main chord tubes forms triangular structure; Described in each, one end of the second cornical (32) connects in two described main chord tubes, and one in adjacent two described the second cornicals (32) and two described main chord tubes is connected to form triangular structure; Described in each, one end of the 3rd cornical (33) connects another root in two described main chord tubes, and adjacent two described the 3rd cornicals (33) are connected to form triangular structure with another root in two described main chord tubes; The two ends of described the 4th cornical (34) connect respectively the other end of described the second cornical (32) and the other end of described the 3rd cornical (33).
4. truss arm structure according to claim 3, is characterized in that, described in each, the first cornical (31) is less than 90 ° with the angle of two described main chord tubes.
5. truss arm structure according to claim 4, it is characterized in that, described many cornicals also comprise two the 5th cornicals (35), two described the 5th cornicals (35) lay respectively at the two ends of described main chord tube, and the two ends of two described the 5th cornicals (35) connect two described main chord tubes respectively, described in each, the 5th cornical (35) is 90 ° with the angle of two described main chord tubes.
6. according to the truss arm structure described in any one in claim 1-5, it is characterized in that, also comprise: First Transition joint arm (2) and the second transition segment arm (5), one end of described First Transition joint arm (2) connects one end of described the first truss arm (3) and described the second truss arm (4), and one end of described the second transition segment arm (5) connects the other end of described the first truss arm (3) and described the second truss arm (4).
7. truss arm structure according to claim 6, it is characterized in that, also comprise: the 3rd truss arm (1) and the 4th truss arm (6), the other end of described First Transition joint arm (2) connects described the 3rd truss arm (1), the other end of described the second transition segment arm (5) connects one end of described the 4th truss arm (6), and the other end of described the 4th truss arm (6) connects arm head (7).
8. truss arm structure according to claim 7, it is characterized in that, also comprise: the 5th truss arm (8), described the 5th truss arm (8) is arranged between described the first truss arm (3) and described the second truss arm (4), and removably connects with described the first truss arm (3) and described the second truss arm (4) respectively.
9. a construction machinery and equipment, is characterized in that, is provided with the truss arm structure as described in any one in claim 1-8.
10. construction machinery and equipment according to claim 9, is characterized in that, it is hoisting crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300992.XA CN104150378A (en) | 2014-06-27 | 2014-06-27 | Truss arm structure and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300992.XA CN104150378A (en) | 2014-06-27 | 2014-06-27 | Truss arm structure and engineering machine |
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| CN104150378A true CN104150378A (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410300992.XA Pending CN104150378A (en) | 2014-06-27 | 2014-06-27 | Truss arm structure and engineering machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2016003144A (en) * | 2014-06-16 | 2016-01-12 | リープヘル−ヴェルク エーインゲン ゲーエムベーハーＬｉｅｂｈｅｒｒ−Ｗｅｒｋ ＥｈｉｎｇｅｎＧｍｂＨ | Lattice member for latticed boom, latticed boom, and crane |
| CN105347207A (en) * | 2015-12-09 | 2016-02-24 | 徐工集团工程机械股份有限公司 | Combined type cantilever crane |
| CN105366568A (en) * | 2015-12-17 | 2016-03-02 | 徐工集团工程机械股份有限公司 | Combined type arm frame and hoisting equipment |
| CN105600688A (en) * | 2015-11-17 | 2016-05-25 | 徐工集团工程机械股份有限公司 | Jib and crane |
| CN106185743A (en) * | 2016-08-31 | 2016-12-07 | 徐工集团工程机械有限公司 | Telescopic arm structure and bridge inspection vehicle |
| CN107055350A (en) * | 2016-02-10 | 2017-08-18 | 利勃海尔工厂埃英根有限公司 | Truss block element and truss block for crane arm |
| CN110395670A (en) * | 2019-09-03 | 2019-11-01 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of truss arm arm joint and crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016003144A (en) * | 2014-06-16 | 2016-01-12 | リープヘル−ヴェルク エーインゲン ゲーエムベーハーＬｉｅｂｈｅｒｒ−Ｗｅｒｋ ＥｈｉｎｇｅｎＧｍｂＨ | Lattice member for latticed boom, latticed boom, and crane |
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| CN107055350B (en) * | 2016-02-10 | 2021-08-17 | 利勃海尔工厂埃英根有限公司 | Truss block element and truss block for crane boom |
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| CN106185743B (en) * | 2016-08-31 | 2019-01-08 | 徐工集团工程机械有限公司 | Telescopic arm structure and bridge inspection vehicle |
| CN110395670A (en) * | 2019-09-03 | 2019-11-01 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of truss arm arm joint and crane |
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Application publication date: 20141119 |