CN202829374U - Telescopic arm and crane - Google Patents

Telescopic arm and crane Download PDF

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Publication number
CN202829374U
CN202829374U CN 201220482763 CN201220482763U CN202829374U CN 202829374 U CN202829374 U CN 202829374U CN 201220482763 CN201220482763 CN 201220482763 CN 201220482763 U CN201220482763 U CN 201220482763U CN 202829374 U CN202829374 U CN 202829374U
Authority
CN
China
Prior art keywords
arm
joint
telescopic boom
pin
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220482763
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Chinese (zh)
Inventor
李端芳
徐东阳
侯中祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Heavy Industry Co Ltd
Original Assignee
Sany Heavy Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sany Heavy Industry Co Ltd filed Critical Sany Heavy Industry Co Ltd
Priority to CN 201220482763 priority Critical patent/CN202829374U/en
Application granted granted Critical
Publication of CN202829374U publication Critical patent/CN202829374U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of project machines, and discloses a telescopic arm and a crane. The telescopic arm comprises at least two section arms, wherein at least one section arm is provided with an arm pin hole on 0%-46% region of an arm section in the other section arms except a tail section arm. The embodiment of the utility model provides a one-cylinder inserted pin type telescopic arm which increases the quantity of arm length number combinations, the telescopic arm meets an operating requirement in an indoor operation environment such as factory buildings or huge buildings, and the operation range of the telescopic arm is expanded. The embodiment of the utility model also provides the crane provided with the one-cylinder inserted pin type telescopic arm.

Description

Telescopic boom and hoisting crane
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of telescopic boom and hoisting crane.
Background technology
The horizontal bar bolt-type telescopic arm applies in the hoister in large tonnage more and more continually, this telescopic boom has a telescopic oil cylinder, and the movable end of this telescopic oil cylinder is provided with cylinder head, the both sides of cylinder head are provided with two corresponding cylinder pins, the center shaft of these two cylinder pins and the center shaft of described telescopic oil cylinder are coplanar, and described telescopic oil cylinder can optionally lock or discharge the relative position of itself and arbitrary joint telescopic boom when above-mentioned cylinder pin stretches out or regains.In addition, adjacent respectively save between the telescopic boom and basic arm and the first telescopic boom between be equipped with the arm pin, this arm pin is located on the top side of arm, between the adjacent telescopic boom and the relative position between basic arm and the first segment telescopic boom can optionally lock or discharge by this arm pin.
Described telescopic oil cylinder can at first lock with the minor details telescopic boom, by regaining the arm pin minor details telescopic boom and joint telescopic boom second from the bottom is discharged simultaneously, and this moment, described telescopic oil cylinder can be taken the minor details telescopic boom out of; The minor details telescopic boom after arriving the desired location relocks itself and joint telescopic boom second from the bottom, regain described telescopic oil cylinder and with the locking of itself and joint telescopic boom second from the bottom, then joint telescopic boom second from the bottom and joint telescopic boom third from the bottom are discharged, this moment, described telescopic oil cylinder can be taken joint telescopic boom second from the bottom out of, the like can realize respectively saving stretching out successively of telescopic boom.
In order to increase the brachium combined number of single-cylinder bolt type telescopic boom, enlarge the scope of work of hoisting crane, usually will stretch out respectively that the joint arm is designed to 0%, 46%, 92%, 100% 4 kind of collapsing length, namely except the minor details arm, each saves arm and is provided with the arm pin-and-hole in 0%, 46%, 92%, 100% arm section, span between each section is larger, is suitable for spacious outdoor work.But under some environment, for example, in the office operation environment such as factory building or heavy construction, because the restriction of the aspects such as height, the brachium combined number of above-mentioned telescopic boom can't adapt to the use needs usually, i.e. the various brachium combinations of this telescopic boom can't be satisfied indoor requirement for height.
Therefore, how improving for existing single-cylinder bolt type telescopic boom, is the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the utility model is intended to propose a kind of telescopic boom and hoisting crane, can't satisfy the problem of the requirement for height under some environment with the brachium combination that solves existing telescopic boom and hoisting crane.
On the one hand, the utility model provides a kind of telescopic boom, and this telescopic boom comprises at least two joint arms, and wherein, in other joint arms outside the minor details arm, the arm section of at least one joint arm in its 0% ~ 46% interval is provided with the arm pin-and-hole.
Further, described arm pin-and-hole is arranged on the arm section in 20% ~ 30% interval of described at least one joint arm.
Further, described arm pin-and-hole is arranged on the 25% arm section of described at least one joint arm.
Further, described telescopic boom comprises successively first segment arm, second section arm and the 3rd joint arm of flexible suit at least; Described arm pin-and-hole is arranged on the described second section arm.
Further, described telescopic boom comprises six joint arms.
Further, in other joint arms outside described minor details arm, 0%, 46%, 92% and 100% arm section place of at least one joint arm is provided with four arm pin-and-holes.
Further, described telescopic boom is single-cylinder bolt type telescopic boom.
On the other hand, the utility model also provides a kind of hoisting crane, and this hoisting crane is provided with above-mentioned each described telescopic boom.
In a kind of telescopic boom that the utility model provides, except the minor details arm, have at least a joint arm to arrange on the basis of arm pin-and-hole in original 0%, 46%, 92%, 100% arm section, also the arm section between 0% to 46% arranges the arm pin-and-hole, increased like this brachium combined number of telescopic boom, satisfy operating needs in the office operation environment such as factory building or heavy construction thereby be convenient to this telescopic boom, enlarged the scope of work of telescopic boom.
A kind of hoisting crane that the utility model provides is provided with above-mentioned telescopic boom, because above-mentioned telescopic boom has above-mentioned technique effect, therefore, this hoisting crane also has corresponding technique effect.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
The structural representation of a kind of single-cylinder bolt type telescopic boom that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structural representation of the arrangement of each arm pin-and-hole on the second section arm among Fig. 1.
The main element nomenclature:
1 first segment arm
2 second section arms
3 the 3rd joint arms
4 the 4th joint arms
5 the 5th joint arms
6 the 6th joint arms
21 first arm pin-and-holes
22 second arm pin-and-holes
23 the 3rd arm pin-and-holes
24 the 4th arm pin-and-holes
25 the 5th arm pin-and-holes
The specific embodiment
Should be pointed out that in this part that to the description of concrete structure and description order only be explanation to specific embodiment, should not be considered as that protection domain of the present utility model is had any restriction.In addition, in the situation that do not conflict, embodiment and the feature among the embodiment in the utility model can make up mutually.
Please refer to Fig. 1, and in conjunction with shown in Figure 2, the bolt-type telescopic arm of this embodiment comprises six joint arms, i.e. first segment arm 1, second section arm 2, the 3rd joint arm 3, the 4th joint arm 4, the 5th joint arm 5 and the 6th joint arm 6.Wherein, first segment arm 1 is basic arm, the 6th joint arm 6, the 5th joint arm 5, the 4th joint arm 4, the 3rd joint arm 3, second section arm 2 and first segment arm 1 be flexible suit successively, and each saves installation process and the action matching relationship of arm and can referring to associated description of the prior art, hereby not give unnecessary details.For the single cylinder bolt-type of realizing second section arm 2, the 3rd joint arm 3, the 4th joint arm 4, the 5th joint arm 5 and the 6th joint arm 6 stretches, general be provided with the arm pin-and-hole at 100%, 92%, 46%, 0% arm section place of first segment arm 1, second section arm 2, the 3rd joint arm 3, the 4th joint arm 4 and the 5th joint arm 5 respectively, to realize in the relevant position respectively with second section arm 2, the 3rd joint arm 3, the 4th joint arm 4, the 5th joint arm 5 and 6 lockings of the 6th joint arm or to unclamp.
In the present embodiment, as shown in Figure 2, be provided with the first arm pin-and-hole 21 on the second section arm 2, the second arm pin-and-hole 22, the 3rd arm pin-and-hole 23, the 4th arm pin-and-hole 24 and the 5th arm pin-and-hole 25, wherein, the first arm pin-and-hole 21 is arranged at 100% arm section place of second section arm 2, the second arm pin-and-hole 22 is arranged at 92% arm section place of second section arm 2, the 3rd arm pin-and-hole 23 is arranged at 46% arm section place of second section arm 2, the 4th arm pin-and-hole 24 be arranged at second section arm 2 0% to 46% between the arm section place of (not comprising 0% and 46%), the 5th arm pin-and-hole 25 is arranged at 0% arm section place of second section arm 2, that is, after the 3rd joint arm 3 stretches out certain distance, if the first arm pin-and-hole 21 of the arm pin-and-hole at its 0% arm section place and second section arm 2 is fixed by the arm lock, then the 3rd joint arm 3 has stretched out 100% with respect to second section arm 2, if the second arm pin-and-hole 21 of the arm pin-and-hole at its 0% arm section place and second section arm 2 is fixed by the arm lock, then the 3rd joint arm 3 has stretched out 92% with respect to second section arm 2, by that analogy, if the 4th arm pin-and-hole 24 lockings of the arm pin-and-hole at 0% arm section place of the 3rd joint arm 3 and second section arm 2, the 3rd joint arm 3 has stretched out respective distance with respect to the second jib 2.
Existing telescopic boom if only use basic arm (first segment arm 1) lift heavy, then hangs and exceeds lowly when being used for the indoor environment such as factory building or heavy construction, and amplitude is too small, if increase brachium (for example second section arm 2 or the 3rd joint arm 3 being stretched out 46%), brachium is long again.
Therefore, preferably, the 4th arm pin 24 is arranged at 20% to 30%(of second section arm 2 can comprise 20% and 30%) between arm section place, for example, be arranged at 20%, 21%, 22%, 23%, 24%, 26%, 27%, 28%, 29% or 30% equiarm section place, more preferably, the 4th arm pin 24 is arranged at 25% arm section place of second section arm 2, namely as shown in Figure 1, when the 4th arm pin 24 of the arm pin-and-hole at the 3rd joint arm 30% arm section place and second section arm 2 by the timing of arm lock, the 3rd joint arm 3 has stretched out 25%, if second section arm 2, the 4th joint arm 4, the 5th joint arm 5 and the 6th joint arm 6 are and stretch out, at this moment telescopic boom length can satisfy the requirement for height (length of each joint arm is conventional brachium) in the office operation environment such as factory building or heavy construction usually preferably, in addition, because the weight of each joint arm reduces successively, adopt the 3rd joint arm lift heavy to help balance self arm to weigh and the lift heavy the relationship between quantities, namely help to improve the lift heavy amount under the identical operation amplitude.
Need to prove, in other embodiments, the 4th arm pin-and-hole 24 is not limited to and is arranged at 25% arm section place, also can be arranged on the two joint arms 2 other positions of (perhaps 20% to 30% interval) arm section in 0% to 46% interval; In addition, in other embodiments, the 4th arm pin-and-hole 24 is not limited to and is arranged in the second section arm 2, for example, can also be arranged on the arm section in 0% to 46% interval (perhaps 20% to 30% interval) of basic arm 1, first segment arm 2, the 3rd joint arm 3, the 4th joint arm 4 and/or the 5th joint arm 5; In addition, in other embodiments, the joint arm number of single-cylinder bolt type telescopic boom is not limited to six, as long as have two and plural joint arm, in other joint arms except the minor details jib, the arm section in (perhaps 20% to 30% interval) is provided with described the 4th arm pin-and-hole 24 in its 0% to 46% interval to have a joint arm at least, so also can realize corresponding function of the present utility model.
From the foregoing, a kind of single-cylinder bolt type telescopic boom that the utility model embodiment provides has increased the brachium combined number, satisfy operating needs in the office operation environment such as factory building or heavy construction thereby be convenient to this telescopic boom, enlarged the scope of work of telescopic boom.
Need to prove, among the application, " arm section " or " 100% arm section " refers to that a certain joint arm is used for the corresponding brachiums that a rear joint arm is all released, and is not to refer to whole brachiums.
The utility model embodiment also provides a kind of hoisting crane, this hoisting crane is provided with the single-cylinder bolt type telescopic boom of above-described embodiment, because above-mentioned telescopic boom has above-mentioned technique effect, therefore, this hoisting crane also should possess corresponding technique effect, the specific implementation process of its appropriate section is similar to the above embodiments, does not hereby give unnecessary details.
The above only is 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 modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (8)

1. a telescopic boom comprises at least two joint arms, it is characterized in that: in other joint arms outside the minor details arm, the arm section of at least one joint arm in its 0% ~ 46% interval is provided with the arm pin-and-hole.
2. telescopic boom as claimed in claim 1 is characterized in that: described arm pin-and-hole is arranged on the arm section in 20% ~ 30% interval of described at least one joint arm.
3. telescopic boom as claimed in claim 2 is characterized in that: described arm pin-and-hole is arranged on the 25% arm section of described at least one joint arm.
4. such as each described telescopic boom of claims 1 to 3, it is characterized in that:
Described telescopic boom comprises successively first segment arm (1), second section arm (2) and the 3rd joint arm (3) of flexible suit at least;
Described arm pin-and-hole is arranged on the described second section arm (2).
5. telescopic boom as claimed in claim 4 is characterized in that: described telescopic boom comprises six joint arms.
6. such as each described telescopic boom of claims 1 to 3, it is characterized in that: in other joint arms outside described minor details arm, 0%, 46%, 92% and 100% arm section place of at least one joint arm is provided with four arm pin-and-holes.
7. such as each described telescopic boom of claims 1 to 3, it is characterized in that: described telescopic boom is single-cylinder bolt type telescopic boom.
8. hoisting crane, it is characterized in that: described hoisting crane is provided with each described telescopic boom of claim 1 to 7.
CN 201220482763 2012-09-20 2012-09-20 Telescopic arm and crane Expired - Fee Related CN202829374U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220482763 CN202829374U (en) 2012-09-20 2012-09-20 Telescopic arm and crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220482763 CN202829374U (en) 2012-09-20 2012-09-20 Telescopic arm and crane

Publications (1)

Publication Number Publication Date
CN202829374U true CN202829374U (en) 2013-03-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220482763 Expired - Fee Related CN202829374U (en) 2012-09-20 2012-09-20 Telescopic arm and crane

Country Status (1)

Country Link
CN (1) CN202829374U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106185652A (en) * 2016-08-31 2016-12-07 北汽福田汽车股份有限公司 A kind of multi-stage expansion mechanism and engineering machinery
CN106219421A (en) * 2016-08-31 2016-12-14 北汽福田汽车股份有限公司 A kind of multi-stage expansion mechanism and engineering machinery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106185652A (en) * 2016-08-31 2016-12-07 北汽福田汽车股份有限公司 A kind of multi-stage expansion mechanism and engineering machinery
CN106219421A (en) * 2016-08-31 2016-12-14 北汽福田汽车股份有限公司 A kind of multi-stage expansion mechanism and engineering machinery
CN106219421B (en) * 2016-08-31 2018-11-20 北汽福田汽车股份有限公司 A kind of multi-stage expansion mechanism and engineering machinery

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20150920