CN104016247B - The jack up unit of counterweight frame and lifting machine testing installation - Google Patents

The jack up unit of counterweight frame and lifting machine testing installation Download PDF

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Publication number
CN104016247B
CN104016247B CN201410251936.1A CN201410251936A CN104016247B CN 104016247 B CN104016247 B CN 104016247B CN 201410251936 A CN201410251936 A CN 201410251936A CN 104016247 B CN104016247 B CN 104016247B
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frame
counterweight frame
suspension bracket
rod member
assembly
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CN201410251936.1A
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CN104016247A (en
Inventor
张良
罗贤智
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Abstract

The present invention discloses the jack up unit of a kind of counterweight frame, comprising: Shackle assembly, and this Shackle assembly is rotatably connected on counterweight frame (100); Lock-bit assembly, Shackle assembly is locked to the lifting position of the longitudinal cenlerline near counterweight frame by this lock-bit assembly; And rod assembly, the hook that Shackle assembly is pulled to the longitudinal cenlerline away from counterweight frame by this rod assembly tears hook position open. The invention also discloses a kind of lifting machine testing installation, comprise the jack up unit of above-mentioned counterweight frame. The present invention is in order to alleviate the labour intensity of operator and the efficiency of raising operation and security.

Description

The jack up unit of counterweight frame and lifting machine testing installation
Technical field
The present invention relates to engineering machinery field, specifically, it relates to the jack up unit of a kind of counterweight frame and lifting machine testing installation.
Background technology
Along with lifting machine develops towards super-tonnage, lifting machine carry out product hang load test time, the weight of the counterweight frame that need to hang load is increasing. Correspondingly, the volume of counterweight frame is also increasing, highly also more and more higher. In the prior art, the hook mode usually adopted manually climbs to link up with above counterweight frame. But this kind of hook mode at least exists following problem: first, the hanger of counterweight frame is big and heavy relative to operator, manually directly carry out linking up with require great effort very much time-consuming; Secondly, when climbing operates under operator, there is very serious potential safety hazard. Therefore, hook mode of the prior art needs to improve.
Summary of the invention
It is an object of the invention to provide the jack up unit of a kind of counterweight frame and lifting machine testing installation, in order to alleviate the labour intensity of operator and the efficiency of raising operation and security.
In order to realize above-mentioned purpose, the present invention provides the jack up unit of a kind of counterweight frame, and this jack up unit comprises: Shackle assembly, and this Shackle assembly is rotatably connected on counterweight frame; Lock-bit assembly, Shackle assembly is locked to the lifting position of the longitudinal cenlerline near counterweight frame by this lock-bit assembly; And rod assembly, the hook that Shackle assembly is pulled to the longitudinal cenlerline away from counterweight frame by this rod assembly tears hook position open.
Preferably, tearing open the path moved hook position to hook from lifting position at Shackle assembly, is provided with for stopping that Shackle assembly crosses the backstop part that hook tears hook position open.
Preferably, Shackle assembly comprises the first suspension bracket and the 2nd suspension bracket of the both sides being connected to counterweight frame, and the bottom-hinged of the first suspension bracket and the 2nd suspension bracket is on the top of counterweight frame.
Preferably, lock-bit assembly comprises the elasticity part being connected between the first suspension bracket and the 2nd suspension bracket, and elasticity part is to apply elasticity preliminary tension towards the direction of the longitudinal cenlerline near counterweight frame to the first suspension bracket and the 2nd suspension bracket.
Preferably, first suspension bracket and the 2nd suspension bracket comprise the first frame arranged at intervals and the 2nd frame respectively, and the crossbeam being connected between the top of the first frame and the 2nd frame, wherein, the bottom-hinged of the first frame and the 2nd frame is to counterweight frame, and crossbeam forms the lifting position matched with suspension hook.
Preferably, first frame and the 2nd frame comprise the first hinged in turn rod member, the 2nd rod member and the 3rd rod member respectively, wherein, the first end of the first rod member and the tail end of the 3rd rod member are hinged to counterweight frame, the hinge of the tail end of the 3rd rod member than the hinge of the first end of the first rod member closer to the longitudinal cenlerline of counterweight frame.
Preferably, crossbeam is connected between the 3rd rod member of the first frame and the 3rd rod member of the 2nd frame.
Preferably, the hinge place of the first rod member and the 2nd rod member be provided with for rod assembly with the use of claw.
Preferably, the end that rod assembly comprises manual operation has the slender rod piece of drag hook.
On the other hand, the present invention also provides a kind of lifting machine testing installation, and this lifting machine testing installation comprises the jack up unit of above-mentioned counterweight frame.
By technique scheme, the present invention provides the jack up unit of a kind of novel counterweight frame. With the use of the jack up unit with Shackle assembly, lock-bit assembly and rod assembly, operator no longer need climbing counterweight frame to carry out hook operation. By this, the labour intensity of operator can be reduced on the one hand, operator's ascend operation can be avoided on the other hand, eliminate the potential safety hazard that climbing operation produces, and increase work efficiency.
Other features and advantages of the present invention are described in detail in embodiment 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 with embodiment one below, but is not construed as limiting the invention. In the accompanying drawings:
Fig. 1 is the structural representation of the lifting machine testing installation according to the present invention;
Fig. 2 is the structural representation of the jack up unit of the counterweight frame according to the present invention, illustrates that Shackle assembly is in the situation of original state;
Fig. 3 is the structural representation of the jack up unit of the counterweight frame according to the present invention, illustrates that Shackle assembly is in the state that hook tears hook position open;
Fig. 4 is the structural representation of the jack up unit of the counterweight frame according to the present invention, illustrates situation when suspension hook stretches into jack up unit;
Fig. 5 is the structural representation of the jack up unit of the counterweight frame according to the present invention, illustrates that Shackle assembly is in the state of lifting position.
Description of reference numerals
100 counterweight frame 1 backstop parts
21 first suspension bracket 22 the 2nd suspension bracket 201 first frames
21 first suspension bracket 22 the 2nd suspension brackets
2001 first rod member 2002 the 2nd rod member 2003 the 3rd rod members
3 elasticity part 4 suspension hook 5 claws
6 slender rod pieces
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail. Should be understood that, embodiment 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, it may also be useful to the noun of locality such as " upper and lower, left and right " typically refer to reference to upper and lower, left and right shown in the drawings; It is inside and outside that " inside and outside " refers to relative to the profile of each parts itself.
Referring to figs. 1 to Fig. 5, the present invention provides the jack up unit of a kind of counterweight frame. According to embodiments of the invention, the jack up unit of counterweight frame comprises Shackle assembly. Shackle assembly is rotatably connected on counterweight frame 100, comprises and tears hook position open near the lifting position of longitudinal cenlerline of counterweight frame 100 and the hook away from the longitudinal cenlerline of counterweight frame 100.
More specifically, referring to figs. 2 to Fig. 5, according to embodiments of the invention, Shackle assembly comprises the first suspension bracket 21 and the 2nd suspension bracket 22. Wherein, the first suspension bracket 21 and the 2nd suspension bracket 22 are connected to the both sides of counterweight frame 100, and preferably the first suspension bracket 21 and the 2nd suspension bracket 22 are arranged symmetrically by symmetry axis of the longitudinal cenlerline of counterweight frame 100. Further, according to embodiments of the invention, the first suspension bracket 21 and the 2nd suspension bracket 22 comprise top and bottom. Wherein, the bottom-hinged of the first suspension bracket 21 and the 2nd suspension bracket 22 is on the top of counterweight frame 100, rotatable relative to counterweight frame 100 to realize the first suspension bracket 21 and the 2nd suspension bracket 22. When the first suspension bracket 21 and the 2nd suspension bracket 22 rotate around hinge point, the top of the first suspension bracket 21 and the 2nd suspension bracket 22 can be torn open in lifting position and hook and be moved between hook position. By the first suspension bracket 21 and the 2nd suspension bracket 22, it is possible to lifted by crane as hanging basket by counterweight frame 100, thus the lifting process making counterweight frame 100 is more steady.
With continued reference to Fig. 2 to Fig. 5, owing to the first suspension bracket 21 is substantially identical with the structure of the 2nd suspension bracket 22, being therefore described for the first suspension bracket 21 below, the structure of the 2nd suspension bracket 22 can be designed as completely identical structure. According to embodiments of the invention, the first suspension bracket 21 comprises the first frame 201 and the 2nd frame that arrange at intervals, it may be preferred that the first frame 201 and the 2nd frame are arranged relatively symmetrically. According to embodiments of the invention, the bottom-hinged of the first frame 201 and the 2nd frame is to counterweight frame 100, and preferably the first frame 201 and the 2nd frame can synchronously rotate relative to counterweight frame 100 around hinge point. When the first frame 201 and the 2nd frame rotate around hinge point, the top of the first frame 201 and the 2nd frame can be torn open in lifting position and hook and be moved between hook position. According to embodiments of the invention, between the first frame 201 and the 2nd frame, it is connected with crossbeam. This crossbeam can strengthen the first frame 201 and the structural strength of the 2nd frame on the one hand, the first frame 201 and the 2nd frame can be made to keep good synchronism in rotary course on the other hand, and another further aspect can also form the lifting position matched with suspension hook 4. According to a preferred embodiment of the invention, crossbeam is connected to the position at the top of the first frame 201 and the 2nd frame.
Further, according to embodiments of the invention, the first frame 201 and the 2nd frame and counterweight frame 100 form four-bar linkage structure. As shown in Figure 4 and Figure 5, specifically, the first frame 201 and the 2nd frame comprise the first hinged in turn rod member 2001, the 2nd rod member 2002 and the 3rd rod member 2003 respectively. Wherein, the first end of the first rod member 2001 and the tail end of the 3rd rod member 2003 are all hinged to counterweight frame 100, and, the hinge of the tail end of the 3rd rod member 2003 than the hinge of the first end of the first rod member 2001 closer to the longitudinal cenlerline of counterweight frame 100. Thus, first rod member 2001, the 2nd rod member 2002, the 3rd rod member 2003 and counterweight frame 100 form four-bar linkage structure, and the structure of the first rod member 2001, the 2nd rod member 2002 and the 3rd rod member 2003 composition can carry out entirety around the hinge of the first end of the first rod member 2001 and counterweight frame 100 and the tail end of the 3rd rod member 2003 with the hinge of counterweight frame 100 rotates. Carry out in the process of synchronous rotary at the structure being made up of the first rod member 2001, the 2nd rod member 2002 and the 3rd rod member 2003 of the first frame 201 and the 2nd frame, the crossbeam being connected between the first frame 201 and the 2nd frame can move between hook position in the lifting position of the longitudinal cenlerline near counterweight frame 100 and tearing open away from the hook of the longitudinal cenlerline of counterweight frame 100. Further, according to embodiments of the invention, crossbeam is connected between the 3rd rod member 2003 of the first frame 201 and the 3rd rod member of the 2nd frame, and is preferably arranged on the position at the top of the 3rd rod member 2003 of the first frame 201 and the 3rd rod member of the 2nd frame. By this, it is possible to make mobile range maximumization of crossbeam.
According to above-mentioned, the first suspension bracket 21 and the 2nd suspension bracket 22 in Fig. 2 are in original state. When needs lift by crane counterweight frame 100, it is possible to make the first suspension bracket 21 and the 2nd suspension bracket 22 rotate as shown in Figure 3 so that the crossbeam of the first suspension bracket 21 and the 2nd suspension bracket 22 crossbeam move to hook towards the direction of the longitudinal cenlerline away from counterweight frame 100 and tear hook position open. So, it is possible to formed between first suspension bracket 21 and the 2nd suspension bracket 22 of the surface of counterweight frame 100 and open space. Then as shown in Figure 4 suspension hook 4 can be dropped to described opening in space. Make the first suspension bracket 21 and the 2nd suspension bracket 22 reset afterwards as shown in Figure 5 to rotate so that the crossbeam of the first suspension bracket 21 and the 2nd suspension bracket 22 crossbeam move to, towards the direction of the longitudinal cenlerline near counterweight frame 100, the position that hoists. Now, it is possible to upwards mention suspension hook 4, suspension hook 4 is made to hook crossbeam and the 2nd suspension bracket 22 crossbeam of the first suspension bracket 21, such that it is able to implement lifting operation. After lifting operation completes, it is possible to put down suspension hook 4 downwards so that the crossbeam of suspension hook 4 and the first suspension bracket 21 and the 2nd suspension bracket 22 crossbeam disengage. Then implement the program contrary with said procedure, the first suspension bracket 21 and the 2nd suspension bracket 22 can be made to be reset to original state.
With reference to figure 3 and Fig. 4, according to embodiments of the invention, the jack up unit of counterweight frame also comprises lock-bit assembly and rod assembly. Wherein, Shackle assembly is locked to the lifting position of the longitudinal cenlerline near counterweight frame 100 by lock-bit assembly, and the hook that Shackle assembly is pulled to the longitudinal cenlerline away from counterweight frame 100 by rod assembly tears hook position open.
More in detail, according to embodiments of the invention, rod assembly comprises the slender rod piece 6 that end has drag hook. Preferably, rod assembly is manual operational unit. Certainly, rod assembly can also be automatic operational unit. But owing to manual operation slender rod piece 6 is very convenient and saves manufacturing cost, therefore preferably this implements mode in the present invention. As shown in Figures 3 and 4, the hinge place of the first rod member 2001 and the 2nd rod member 2002 be provided with for slender rod piece 6 with the use of claw 5. Need to be pulled to the first suspension bracket 21 and the 2nd suspension bracket 22 hook when tearing hook position open, only the drag hook of slender rod piece 6 and claw 5 need to be overlapped, can implement to pull operation. When needs make the first suspension bracket 21 and the 2nd suspension bracket 22 resets, only slender rod piece 6 need to be unclamped.
In addition, according to embodiments of the invention, the elasticity part 3 that lock-bit assembly is connected between the first suspension bracket 21 and the 2nd suspension bracket 22. Specifically, elasticity part 3 is connected between the 3rd rod member 2003 of the first frame 201 and the 3rd rod member of the 2nd frame, and is preferably arranged on the position at the top of the 3rd rod member 2003 of the first frame 201 and the 3rd rod member of the 2nd frame. By this, it is possible to make the elasticity preliminary tension of elasticity part 3 have bigger moment. Elasticity part 3 can apply elasticity preliminary tension towards the direction of the longitudinal cenlerline near counterweight frame 100 to the first suspension bracket 21 and the 2nd suspension bracket 22, thus when rod assembly does not exert a force, it is possible to make the first suspension bracket 21 and the 2nd suspension bracket 22 remain on starting position (also namely lifting by crane position). In addition, the first suspension bracket 21 and the structural strength of the 2nd suspension bracket 22 can also be strengthened by elasticity part 3.
Referring to figs. 2 to Fig. 5, according to embodiments of the invention, at the first suspension bracket 21 and tearing open from lifting position to hook of the 2nd suspension bracket 22, the path moved hook position is provided with backstop part 1, in order to stop that the first suspension bracket 21 and the 2nd suspension bracket 22 are crossed hook and torn hook position open. By this, it is possible to make the mobile scope of the first suspension bracket 21 and the 2nd suspension bracket 22 remain on be enough to make suspension hook 4 can enter described in open space, such that it is able to provide working efficiency.
On the other hand, the present invention also provides a kind of lifting machine testing installation, and this lifting machine testing installation comprises the jack up unit of above-mentioned counterweight frame.
Below the preferred embodiment of the present invention is described by reference to the accompanying drawings in detail; but; the detail that the present invention is not limited in above-mentioned enforcement mode; within the scope of the technical conceive of the present invention; the technical scheme of the present invention can being carried out multiple simple variant, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technology feature described in above-mentioned embodiment, when not contradiction, it is possible to combined by any suitable mode. In order to avoid unnecessary repetition, various possible array mode is illustrated by the present invention no longer separately.
In addition, can also carrying out arbitrary combination between the various different enforcement mode of the present invention, as long as it does not run counter to the thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (7)

1. the jack up unit of a counterweight frame, it is characterised in that, described jack up unit comprises: Shackle assembly, and this Shackle assembly is rotatably connected on counterweight frame (100); Lock-bit assembly, described Shackle assembly is locked to the lifting position of the longitudinal cenlerline near described counterweight frame (100) by this lock-bit assembly; and rod assembly, the hook that this rod assembly is used for being pulled to described Shackle assembly the longitudinal cenlerline away from described counterweight frame (100) tears hook position open, described Shackle assembly comprises the first suspension bracket (21) and the 2nd suspension bracket (22) of the both sides being connected to described counterweight frame (100), the bottom-hinged of described first suspension bracket (21) and the 2nd suspension bracket (22) is on the top of described counterweight frame (100), described lock-bit assembly comprises the elasticity part (3) being connected between described first suspension bracket (21) and the 2nd suspension bracket (22), described elasticity part (3) is to apply elasticity preliminary tension towards the direction of the longitudinal cenlerline near described counterweight frame (100) to described first suspension bracket (21) and the 2nd suspension bracket (22), described first suspension bracket (21) and the 2nd suspension bracket (22) comprise the first frame (201) and the 2nd frame that arrange at intervals respectively, and the crossbeam being connected between described first frame (201) and the top of the 2nd frame, wherein, the bottom-hinged of described first frame (201) and the 2nd frame is to described counterweight frame (100), and described crossbeam forms the lifting position matched with suspension hook (4).
2. the jack up unit of counterweight frame according to claim 1, it is characterized in that, tearing open the path moved hook position to described hook from described lifting position at described Shackle assembly, is provided with for stopping that described Shackle assembly crosses the backstop part (1) that described hook tears hook position open.
3. the jack up unit of counterweight frame according to claim 1, it is characterized in that, described first frame (201) and the 2nd frame comprise the first rod member (2001) hinged in turn respectively, 2nd rod member (2002) and the 3rd rod member (2003), wherein, the first end of described first rod member (2001) and the tail end of the 3rd rod member (2003) are hinged to described counterweight frame (100), the hinge of the tail end of described 3rd rod member (2003) is than the longitudinal cenlerline of the hinge of the first end of described first rod member (2001) closer to described counterweight frame (100).
4. the jack up unit of counterweight frame according to claim 3, it is characterised in that, described crossbeam is connected between described 3rd rod member (2003) of described first frame (201) and described 3rd rod member of described 2nd frame.
5. the jack up unit of counterweight frame according to claim 3, it is characterized in that, the hinge place of described first rod member (2001) and the 2nd rod member (2002) be provided with for described rod assembly with the use of claw (5).
6. the jack up unit of counterweight frame according to claim 5, it is characterised in that, the end that described rod assembly comprises manual operation has the slender rod piece (6) of drag hook.
7. a lifting machine testing installation, it is characterised in that, described lifting machine testing installation comprises the jack up unit of the counterweight frame according to any one of claim 1-6.
CN201410251936.1A 2014-06-09 2014-06-09 The jack up unit of counterweight frame and lifting machine testing installation Active CN104016247B (en)

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CN104016247B true CN104016247B (en) 2016-06-01

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Publication number Priority date Publication date Assignee Title
CN105439003B (en) * 2015-12-31 2018-06-05 浙江三一装备有限公司 Crawler crane and its lifting test device, hanging method
CN106081944B (en) * 2016-05-06 2019-02-12 江苏宏强船舶重工有限公司 A kind of abridged edition type hoisting test method of heavy lift carrier

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* Cited by examiner, † Cited by third party
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SU645926A1 (en) * 1976-02-06 1979-02-05 Всесоюзный Проектно-Конструкторский Технологический Институт Атомного Машиностроения И Котлостроения Crosspiece
CN101857167A (en) * 2010-05-18 2010-10-13 青岛港(集团)有限公司 Special hanger for loading and unloading steel rails
CN101891112B (en) * 2010-07-08 2013-08-07 中国恩菲工程技术有限公司 Lifting tool
CN202744237U (en) * 2012-09-18 2013-02-20 中联重科股份有限公司 Lead-in hanger and tower crane including same
CN203287189U (en) * 2013-06-09 2013-11-13 中联重科股份有限公司 Suspension hook and counterweight rack structure and winch testing platform

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Address after: 410006 No. 361 South silver basin, Changsha, Hunan, Yuelu District

Applicant after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd.

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