CN102979714A - Chain lathedog and concrete pumping system - Google Patents
Chain lathedog and concrete pumping system Download PDFInfo
- Publication number
- CN102979714A CN102979714A CN2012104904256A CN201210490425A CN102979714A CN 102979714 A CN102979714 A CN 102979714A CN 2012104904256 A CN2012104904256 A CN 2012104904256A CN 201210490425 A CN201210490425 A CN 201210490425A CN 102979714 A CN102979714 A CN 102979714A
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- clip
- lathedog
- chain clasp
- chain
- connecting rod
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Abstract
The invention relates to a chain lathedog and a concrete pumping system. The chain lathedog comprises a first lathedog, a second lathedog and connecting rods, wherein the first end of the first lathedog and the first end of the second lathedog are fixedly connected by bolts and nuts, the second ends of the first lathedog and the second lathedog are respectively articulated with both ends of the connecting rods, and the first lathedog and the second lathedog can rotate to a closed state or unfolded state, corresponding to the connecting rods. According to the chain lathedog disclosed by the invention, one ends of the two lathedogs are articulated with the connecting rods, and the first lathedog and the second lathedog can rotate to a certain angle corresponding to the connecting rods, so that the chain lathedog is conveniently unfolded and closed and is enabled to be jointed with the fitting surface of a flange to be clamped as much as possible; the connecting rods play the role of tightening reliably and assist the two lathedogs in positioning when the two lathedogs close, and convenience is brought in mounting the bolts and the nuts; and the bolts and the nuts only need to be mounted at one ends of the two lathedogs, so that the number of the needed bolts and nuts is less, and more convenience is brought in the disassembly and the assembly.
Description
Technical field
The present invention relates to engineering machinery field, relate in particular to a kind of chain clasp and concrete pumping system.
Background technique
Concrete pumping system is a kind of with the Construction Machinery System of concrete conveyance to specified position, provided a kind of structural representation of example of existing concrete pumping system among Fig. 1, its structure comprises piston 2, pumping master cylinder 1, carries cylinder 3, tank 4, clip 5 etc., pumping master cylinder 1 is that concrete pumping system gets actuator, can utilize hydraulic drive piston 2 reciprocating, be transported to pouring position in order to make concrete overcome pipe resistance.Carrying cylinder 3 is a kind of pipes, piston 2 within it section moves to suck or pump concrete, tank 4 can cool off, lubricate, cleans inner member and detect the function of piston seal, but also as pumping master cylinder 1 and the intermediate connector of carrying cylinder 3.
The flange arrangement that between pumping master cylinder 1 and piston 2, connects both by clip 5, therefore clip is a very important link, along with piston is reciprocating in carrying cylinder, then bear frequently alternate load and vibration, the as easy as rolling off a log loosening and clamping bolt fatigue fracture of connection that causes clip, and then cause the piston case accident, have a strong impact on pumping construction.
On the other hand, because piston belongs to easily damaged parts, have the problem of periodic replacement piston, and the replacing of piston is inner at tank, and the space layout of tank inside is very compact, so clip also needs to satisfy easy accessibility, safe and reliable requirement.
Existing yoke configurations commonly used is shown in Fig. 2 A, 2B, 3A, 3B, 4A, 4B, snap ring+four a bolt Connecting format wherein has been shown among Fig. 2 A, the 2B, this clip reliability is higher, but contraposition of clamp bolt hole is inconvenient up and down for it, need repeatedly to adjust, and four screws need diagonal sequentially to misplace repeatedly to tighten, and disassembly process wastes time and energy.Fig. 3 A, 3B show the form that cassette tape clamps upper lower semi-circular clip, this form dismounting is more convenient, but cassette tape is subjected to the restriction of structure space with bolt, therefore size is less, in conjunction with foozle and assembled in situ condition restriction, the regular existence of this bolt is crossed and is twisted and bear moment of flexure problem, the as easy as rolling off a log crack conditions that occurs.Shown in Fig. 4 A, the 4B is form without the direct axial restraint of clip, and this form dismounting is inconvenient, and relatively difficulty is arranged also in the space.
As seen the several frequently seen yoke configurations of introducing from above still lacks at present not only durable reliable but also yoke configurations easy accessibility and uses in concrete pumping system.
Summary of the invention
The objective of the invention is to propose a kind of chain clasp and concrete pumping system, its yoke configurations is durable reliable, and easy accessibility.
For achieving the above object, the invention provides a kind of chain clasp, comprise: the first clip, the second clip and connecting rod, the first end of the first end of described the first clip and the second clip can be fixedly connected with by bolt and nut, the second end of described the first clip and the second end of the second clip carry out hingedly with the two ends of described connecting rod respectively, and described the first clip and the second clip can rotate into closed state or deployed condition with respect to described connecting rod.
Further, described the first clip be connected clip and be connected with connecting rod by bearing pin respectively, described the first clip and the second clip all can be with respect to described bearing pin rotations.
Further, the inboard of described the first clip and the second clip has draw-in groove, and the interior profile of described draw-in groove cooperates with the external frame of the flange arrangement that needs chucking.
Further, the first end of the first end of described the first clip and the second clip is equipped with recessed portion, partly is provided with through hole at the female, can be fixed connection by bolt and nut.
Further, described bolt and nut comprises two groups, and is arranged symmetrically with at the axial direction of described chain clasp.
Further, described connecting rod is an integrated member, perhaps is the split type member of two connecting plates being arranged symmetrically with at the axial direction of described chain clasp.
Further, on described the first clip and the second clip, also be provided with through hole, be used for rotating described chain clasp.
Based on technique scheme, two clip one ends of chain clasp of the present invention connect by bolt and nut, the other end is connected with connecting rod by hinged mode, two clips all can rotate a certain angle with respect to connecting rod, therefore when loading and unloading, can launch very easily and closure, clip is fitted with the flange fitting surface that will tighten as much as possible, connecting rod connects two clips, not only can realize reliable fastening effect, location in the time of can also assisting two clips closed makes things convenient for the installation of bolt and nut, and bolt and nut only need to be installed in an end of two clips, the quantity of the bolt and nut that therefore needs is also fewer, and dismounting and installation are all more convenient.
In another embodiment, described the first clip be connected clip and be connected with connecting rod by bearing pin respectively, described the first clip and the second clip all can be with respect to described bearing pin rotations.
In another embodiment, the inboard of described the first clip and the second clip has draw-in groove, and the interior profile of described draw-in groove cooperates with the external frame of the flange arrangement that needs chucking.The interior profile of draw-in groove and the external frame of flange arrangement cooperate can guarantee the effect that tightens, avoid wearing and tearing and noise occuring frequently bearing under alternate load and the vibration, even the situation such as come off occurs.
In another embodiment, the first end of the first end of described the first clip and the second clip is equipped with recessed portion, partly is provided with through hole at the female, can be fixed connection by bolt and nut.With the structure that the bolt and nut attachment portion of clip is designed to be recessed into, further dwindled on the whole shared space, make its easier installation and removal in the compact tank of space layout.
In another embodiment, described bolt and nut comprises two groups, and is arranged symmetrically with at the axial direction of described chain clasp.Adopt the Placement of two groups of bolt and nuts can guarantee to tighten more reliably effect, and also less from dismounting aspect workload and assembling difficulty.
In another embodiment, described connecting rod is an integrated member, perhaps is the split type member of two connecting plates being arranged symmetrically with at the axial direction of described chain clasp.Because the space is more limited, split type member is easier than the processing of integrated member, and its rotation is also more flexible.
In another embodiment, on described the first clip and the second clip, also be provided with through hole, be used for rotating described chain clasp, make things convenient for the install and adjust of chain clasp.
For achieving the above object, the invention provides a kind of concrete pumping system, comprise piston, pumping master cylinder, carry cylinder and tank, described pumping master cylinder utilizes the described piston of hydraulic driving reciprocating in described conveying cylinder, described tank is the intermediate connector of described pumping master cylinder and described conveying cylinder, also comprise aforesaid chain clasp, described chain clasp is in clamping connection the flange arrangement of described pumping master cylinder and described piston.
Based on technique scheme, concrete pumping system of the present invention has been owing to adopted aforesaid chain clasp, so can realize between its pumping master cylinder and the piston durablely being in clamping connection reliably, and the operator is also more convenient to the dismounting of chain clasp.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of existing a kind of concrete pumping system.
Fig. 2 A, 2B are assembly and the decomposing schematic representation of the yoke configurations of existing snap ring+four a bolt Connecting format.
Fig. 3 A, 3B are that existing cassette tape clamps upward assembly and the decomposing schematic representation of the yoke configurations of the form of lower semi-circular clip
Fig. 4 A, 4B are assembly and the decomposing schematic representation of the yoke configurations of existing form without the direct axial restraint of clip.
Fig. 5 is an embodiment's of the chain clasp of the present invention structural representation of deployed condition.
Fig. 6 is the structural representation of Fig. 5 embodiment's closed state.
Embodiment
Below by drawings and Examples, technological scheme of the present invention is described in further detail.
As shown in Figure 5, be the structural representation of an embodiment's of chain clasp of the present invention deployed condition.As can see from Figure 5, chain clasp in the present embodiment comprises the first clip 1, the second clip 2 and connecting rod 3, wherein the first end of the first end of the first clip 1 and the second clip 2 can be fixedly connected with by bolt and nut (referring to Fig. 6), the second end of the second end of the first clip 1 and the second clip 2 carries out hingedly with the two ends of connecting rod 3 respectively, and the first clip 1 and the second clip 2 can rotate into closed state or deployed condition with respect to connecting rod 3.
As can be seen from Figure 6, the first clip 1 of the chain clasp of present embodiment be connected clip 2 one ends and connect (being bolt 6 and tightening nut 7) by bolt and nut, the other end is connected with connecting rod by hinged mode, two clips all can rotate a certain angle with respect to connecting rod 3, therefore when loading and unloading, can launch very easily and closure, clip is fitted with the flange fitting surface that will tighten as much as possible.
Connecting rod 3 has connected two clips, the bolt and nut that is fastenedly connected together with the clip the other end, can jointly realize reliable fastening effect to flange arrangement, and connecting rod 3 itself and the first clip 1 be connected clip 2 and all be connected, therefore the first clip 1 and the second clip 2 all can rotate in the circumferential plane of clip with respect to hinge point, thereby can locate exactly when assisting the first clip 1 and the second clip 2 closure, the through hole 11 of the first end of the first clip 1 is alignd with the through hole 4 of the first end of the second clip 2, make things convenient for the installation of bolt and nut.Bolt and nut only need to be installed in the first end of two clips, and the quantity of the bolt and nut that therefore needs is also fewer, and dismounting and installation are all more convenient.
Can see in Fig. 6, in the hinge point of the first clip 1 and the second clip 2, can be connected with connecting rod 3 by bearing pin 5 that like this, the first clip 1 and the second clip 2 all can rotate with respect to bearing pin 5.The axis of the chain clasp after the installation direction of bearing pin 5 and the closure is parallel, and chain clasp can be alignd exactly, makes operator's mounting or dismounting work more convenient.Can also take other articulated manner in the hinge point of the first clip 1 and the second clip 2.
Because therefore chain clasp preferably arranges respectively draw-in groove 9 and draw-in groove 12 in the inboard of the first clip 1 and the second clip 2 in order to tighten as much as possible flange arrangement, the interior profile of draw-in groove 9 and draw-in groove 12 cooperates with the external frame of the flange arrangement that needs chucking.This cooperating structure can be guaranteed the effect that tightens, avoid wearing and tearing and noise occuring frequently bearing under alternate load and the vibration, even the situation such as come off occurs.
At the connection part of the bolt and nut shown in Fig. 6, can see that bolt and nut comprises two groups, these two groups of bolt and nuts are arranged symmetrically with at the axial direction of chain clasp, like this can be with the flange arrangement card of centre tighter, and stressed evenly.In addition, two groups of bolt and nuts are installed and removed in the same side, and mounting or dismounting are convenient, and workload is also less.In Fig. 6, can also see, at the first end of the first clip 1 and the first end of the second clip 2 recessed portion 8 and recessed portion 13 are set respectively all, and through hole 4 and through hole 11 are arranged in recessed portion 8 and the recessed portion 13, are fixed connection by bolt and nut again.With the structure that the bolt and nut attachment portion of clip is designed to be recessed into, further dwindled on the whole shared space, make its easier installation and removal in the compact tank of space layout.Certainly, recessed portion is not set, but the first clip be connected the projection that the first end of clip is provided with through hole and can realize too utilizing bolt and nut to be fixed the mode of connection, specifically can be with reference to mode shown in Figure 2.
Provided a kind of way of realization of connecting rod 3 among Fig. 5, the split type member of two connecting plates that namely are arranged symmetrically with at the axial direction of chain clasp, this split type member manufacturing ratio is easier to, and also can adopt the connecting rod (not shown) of integrated member formula.
In the embodiment shown in fig. 6, can also through hole 10 be set at the first clip 1 and the second clip 2, be equivalent to auxiliary hole, round steel can be inserted this through hole and rotate chain clasp.
The embodiment of the multiple chain clasp of above-mentioned introduction can be applied in the concrete pumping system, in one embodiment, concrete pumping system comprises piston, pumping master cylinder, carries cylinder and tank, the pumping master cylinder utilizes the described piston of hydraulic driving reciprocating in described conveying cylinder, described tank is the intermediate connector of described pumping master cylinder and described conveying cylinder, also comprise foregoing chain clasp embodiment, this chain clasp is in clamping connection the flange arrangement of described pumping master cylinder and described piston.Operator are when specific operation, the bolt and nut that can become flexible two clip one ends in narrow tank opens two clips of chain clasp, when mounted, two clips can be opened and are buckled on the flange arrangement of pumping master cylinder and piston, then bolt is inserted in the through hole of two clip one ends, the tightening nut of screwing on again, in the process of tightening, need not manually adjust the position of chain clasp and flange arrangement, the fitting surface of chain clasp and flange can be adjusted to the state of being adjacent to automatically, therefore assembles very convenient.
Should be noted that at last: above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characteristics is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technological scheme scope that the present invention asks for protection.
Claims (8)
1. chain clasp, it is characterized in that, comprise: the first clip, the second clip and connecting rod, the first end of the first end of described the first clip and the second clip can be fixedly connected with by bolt and nut, the second end of described the first clip and the second end of the second clip carry out hingedly with the two ends of described connecting rod respectively, and described the first clip and the second clip can rotate into closed state or deployed condition with respect to described connecting rod.
2. chain clasp according to claim 1 is characterized in that, described the first clip be connected clip and be connected with connecting rod by bearing pin respectively, described the first clip and the second clip all can be with respect to described bearing pin rotations.
3. chain clasp according to claim 1 is characterized in that, the inboard of described the first clip and the second clip has draw-in groove, and the interior profile of described draw-in groove cooperates with the external frame of the flange arrangement that needs chucking.
4. chain clasp according to claim 3 is characterized in that, the first end of the first end of described the first clip and the second clip is equipped with recessed portion, partly is provided with through hole at the female, can be fixed connection by bolt and nut.
5. by chain clasp claimed in claim 4, it is characterized in that described bolt and nut comprises two groups, and be arranged symmetrically with at the axial direction of described chain clasp.
6. chain clasp according to claim 5 is characterized in that, described connecting rod is an integrated member, perhaps is the split type member of two connecting plates being arranged symmetrically with at the axial direction of described chain clasp.
7. chain clasp according to claim 1 is characterized in that, also is provided with through hole on described the first clip and the second clip, is used for rotating described chain clasp.
8. concrete pumping system, it is characterized in that, comprise piston, pumping master cylinder, carry cylinder and tank, described pumping master cylinder utilizes the described piston of hydraulic driving reciprocating in described conveying cylinder, described tank is the intermediate connector of described pumping master cylinder and described conveying cylinder, also comprise the arbitrary described chain clasp of claim 1 ~ 7, described chain clasp is in clamping connection the flange arrangement of described pumping master cylinder and described piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104904256A CN102979714A (en) | 2012-11-28 | 2012-11-28 | Chain lathedog and concrete pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104904256A CN102979714A (en) | 2012-11-28 | 2012-11-28 | Chain lathedog and concrete pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102979714A true CN102979714A (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104904256A Pending CN102979714A (en) | 2012-11-28 | 2012-11-28 | Chain lathedog and concrete pumping system |
Country Status (1)
| Country | Link |
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| CN (1) | CN102979714A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542206A (en) * | 2013-10-14 | 2014-01-29 | 中国科学院高能物理研究所 | Quick release clamp |
| CN105552742A (en) * | 2016-02-29 | 2016-05-04 | 天津鑫正天电力投资发展有限公司 | Detachable ring main unit |
| CN105826650A (en) * | 2016-03-28 | 2016-08-03 | 华信咨询设计研究院有限公司 | Adaptive communication tower pole antenna support hoop |
| CN108194727A (en) * | 2018-02-02 | 2018-06-22 | 东莞中子科学中心 | Chain type hoop for vacuum flange butt joint, mounting tool and mounting method thereof |
| CN108523703A (en) * | 2017-03-03 | 2018-09-14 | 广东美的生活电器制造有限公司 | Cooking machine |
| CN113503338A (en) * | 2021-07-06 | 2021-10-15 | 泰尔重工股份有限公司 | Novel dynamic balance structure of wrapper roller |
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| CN2307123Y (en) * | 1996-11-12 | 1999-02-10 | 建设部长沙建设机械研究院 | Chain clasp for concrete pump |
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| US20080136167A1 (en) * | 2006-10-18 | 2008-06-12 | Allegheny Coupling Company | Coupling |
| CN101793246A (en) * | 2010-03-16 | 2010-08-04 | 三一重工股份有限公司 | Concrete pumping structure and control method of concrete pumping structure |
| CN102466107A (en) * | 2010-11-04 | 2012-05-23 | 上海易玺电子科技有限公司 | Vacuum sealing clip |
| CN202946366U (en) * | 2012-11-28 | 2013-05-22 | 徐工集团工程机械股份有限公司 | Chained clamp and concrete pumping system |
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| US4408788A (en) * | 1981-09-23 | 1983-10-11 | Grinnell Fire Protection Systems Company, Inc. | Hingeable split pipe collar |
| CN2307123Y (en) * | 1996-11-12 | 1999-02-10 | 建设部长沙建设机械研究院 | Chain clasp for concrete pump |
| US20030227171A1 (en) * | 2002-06-07 | 2003-12-11 | Legris Sa | Connection means for interconnecting two duct elements |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542206A (en) * | 2013-10-14 | 2014-01-29 | 中国科学院高能物理研究所 | Quick release clamp |
| CN105552742A (en) * | 2016-02-29 | 2016-05-04 | 天津鑫正天电力投资发展有限公司 | Detachable ring main unit |
| CN105826650A (en) * | 2016-03-28 | 2016-08-03 | 华信咨询设计研究院有限公司 | Adaptive communication tower pole antenna support hoop |
| CN105826650B (en) * | 2016-03-28 | 2018-10-23 | 华信咨询设计研究院有限公司 | Adaptive communications tower mast antenna holder anchor ear |
| CN108523703A (en) * | 2017-03-03 | 2018-09-14 | 广东美的生活电器制造有限公司 | Cooking machine |
| CN108194727A (en) * | 2018-02-02 | 2018-06-22 | 东莞中子科学中心 | Chain type hoop for vacuum flange butt joint, mounting tool and mounting method thereof |
| CN108194727B (en) * | 2018-02-02 | 2024-01-30 | 国科中子医疗科技有限公司 | Chain clamp for vacuum flange butt joint, mounting tool and mounting method thereof |
| CN113503338A (en) * | 2021-07-06 | 2021-10-15 | 泰尔重工股份有限公司 | Novel dynamic balance structure of wrapper roller |
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Owner name: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20130805 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20130805 Address after: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu, Xuzhou Applicant after: XCMG Schwing Machinery Co., Ltd. Address before: 221004 Industrial Zone, Xuzhou Economic Development Zone, Xuzhou, Jiangsu Applicant before: XCMG Construction Machinery Co., Ltd. |
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Application publication date: 20130320 |