WO2012037827A1 - Structure de béquille de support, véhicule de pompe à béton et procédé d'assemblage de tuyau d'huile - Google Patents

Structure de béquille de support, véhicule de pompe à béton et procédé d'assemblage de tuyau d'huile Download PDF

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Publication number
WO2012037827A1
WO2012037827A1 PCT/CN2011/076046 CN2011076046W WO2012037827A1 WO 2012037827 A1 WO2012037827 A1 WO 2012037827A1 CN 2011076046 W CN2011076046 W CN 2011076046W WO 2012037827 A1 WO2012037827 A1 WO 2012037827A1
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WO
WIPO (PCT)
Prior art keywords
plate
mounting
plate portion
joint
leg structure
Prior art date
Application number
PCT/CN2011/076046
Other languages
English (en)
Chinese (zh)
Inventor
王向英
Original Assignee
长沙中联重工科技发展股份有限公司
湖南中联重科专用车有限责任公司
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 长沙中联重工科技发展股份有限公司, 湖南中联重科专用车有限责任公司 filed Critical 长沙中联重工科技发展股份有限公司
Priority to BR112013006787A priority Critical patent/BR112013006787A2/pt
Priority to RU2013112723/11A priority patent/RU2013112723A/ru
Priority to EP11826354.0A priority patent/EP2620335B1/fr
Publication of WO2012037827A1 publication Critical patent/WO2012037827A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated

Definitions

  • the invention relates to a leg structure, a concrete pump truck and a tubing assembly method. Background technique
  • a leg structure (such as a concrete pump truck and a leg structure of a crane) includes a box-shaped leg having one end for support and the other end (generally referred to as a tail) for connecting a body such as a concrete pump truck component.
  • the tail portion of the box-shaped leg includes an upper cover, a lower cover, a side plate, and a sealing plate, and the sealing plate is coupled to the lower cover and the side plate such that a tail portion of the box-shaped leg forms an opening.
  • the leg structure further includes a hydraulic pipe. Since the box-shaped leg performs a rotation or the like during operation, in order to avoid interference with the movement, the hydraulic pipe usually includes one of two sides disposed inside the box-shaped leg, respectively. A hard tube and a pair of hoses covered by a towline. In addition, the hydraulic line also includes a pair of joints for connecting the rigid pipe and the hose.
  • the rigid tube and hose are secured to the lower cover.
  • the connection can only be operated through the rear opening.
  • the rigid pipe is a rigid member, its shape and position after bending are fixed, and the hard pipe is usually bent and fixed on the lower cover. Then, connect the fitting to the hard tube and finally connect the hose to the fitting. Due to the limited opening space in the tail, it is very difficult to achieve the above operation, and it is more unfavorable to operate when the oil pipe (hard pipe, hose) needs to be replaced.
  • the present invention provides a leg structure including a box-shaped leg, the tail portion of the box-shaped leg includes a sealing plate and an opening, and the leg structure further includes a hydraulic pipe.
  • the hydraulic line includes a hard tube, a hose covered by the drag chain, and a joint, the hard tube and the hose being connected by the joint
  • the leg structure further comprises a fixing plate, a connecting plate and a mounting plate
  • the fixing plate is disposed on the sealing plate
  • the mounting plate can be fixed to the fixing plate
  • the connecting plate has a first plate portion and a second plate portion, the first plate portion and the The plane in which the second plate portion is located intersects, the second plate portion and the mounting plate are adjustably connected such that the first plate portion can be away from or close to the sealing plate, and the joint is aligned with the hard pipe and installed On the first plate portion, the hose is mounted in alignment with the joint.
  • the first plate portion has at least one first mounting groove, and the joint is installed in the first mounting groove.
  • one of the second plate portion and the mounting plate has at least one second mounting groove
  • the other of the second plate portion and the mounting plate has at least one of the second mounting slots Corresponding at least one mounting hole, the fastener adjustably connecting the second plate portion and the mounting plate through the second mounting groove and the mounting hole.
  • the mounting plate has a third plate portion parallel to the second plate portion, and the mounting hole is provided on the third plate portion.
  • the third plate portion is provided with a notch allowing the operating tool to protrude.
  • the first plate portion and the second plate portion are perpendicular to each other.
  • the second plate portion has at least one fixing hole, and the drag chain is fixed on the second plate portion.
  • the fixing plate and the mounting plate are provided with corresponding fastening holes through which the fasteners are connected to the fixing plate and the mounting plate.
  • the present invention also provides a concrete pump truck comprising the leg structure of the present invention.
  • the invention also provides a tubing assembly installation method in a leg structure, wherein the leg knot
  • the leg structure of the present invention, the tail portion of the box-shaped leg includes an upper cover, a lower cover and a side plate, the sealing plate is connected with the side plate, the sealing plate and the upper cover Or the lower cover is connected such that the tail of the box-shaped leg forms the opening, and the hard tube is fixed on the upper cover or the lower cover
  • the method comprising: Fixing plates are disposed on the plate; the joints are mounted on the first plate portion at the same pitch according to the spacing between the hard tubes; and the first portion is adjusted according to the distance between the hard tubes and the fixed plate a relative position of the second plate portion and the mounting plate and fixing the second plate portion and the mounting plate by the fastener so that the mounting plate can extend to a position fixed to the fixing plate; Connecting the hose and the joint; placing an assembly including the hose, the drag chain, the joint
  • the first plate portion has at least one first mounting groove, and the joint is installed in the first mounting groove.
  • one of the second plate portion and the mounting plate has at least one second mounting groove
  • the other of the second plate portion and the mounting plate has at least one of the second mounting slots Corresponding at least one mounting hole, the fastener adjustably connecting the second plate portion and the mounting plate through the second mounting groove and the mounting hole.
  • the first plate portion and the second plate portion are perpendicular to each other.
  • the rigid pipe and the hose can be connected accurately and conveniently, and the drag chain can be appropriately fixed.
  • the mounting operation performed at the tail opening only includes: connecting the rigid tube to the joint; and fixing the mounting plate to the fixed plate.
  • the degree of complexity of the operation is greatly reduced, and it is more than enough to perform the above operation using the space of the tail opening.
  • Figure 1 is a perspective view showing a connecting plate 10 and a mounting plate 20 of the present invention
  • Figure 2 is a front elevational view showing the structure of the leg of the present invention.
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 4 is a plan view of Figure 2, in which the connecting plate 10 and the mounting plate 20 are not installed;
  • Figure 5 is a partial plan view of Figure 2, assuming that a portion of the upper cover is transparent to show the connection of the hard tube and the hose ⁇
  • connecting plate 11 first plate
  • a leg structure comprising a box-shaped leg, the tail portion of the box-shaped leg comprising a sealing plate 34 and an opening 35, the leg structure further comprising a hydraulic line,
  • the hydraulic line includes a hard tube 41, a joint 43 and a hose 42a covered by the drag chain 42b, the hard tube 41 and the hose 42a being connected by the joint 43, wherein: the leg structure further comprises a fixing plate 50, a connecting plate 10 and a mounting plate 20, the fixing plate 50 is disposed on the sealing plate 34, the mounting plate 20 can be fixed to the fixing plate 50, and the connecting plate 10 has a first plate a portion 11 and a second plate portion 12, the plane in which the first plate portion 11 and the second plate portion 12 are located intersect, the second plate portion 12 and the mounting plate 20 are adjustably connected such that The first plate portion 11 can be away from or close to the sealing plate 34, the joint 43 is aligned with the hard tube 41 and mounted on the first plate portion 11, and the hose 42a
  • FIG. 1 shows an embodiment of a leg structure according to the present invention. Since the connecting plate 10 has intersecting first plate portions 11 and second plate portions 12, the joint 43 is mounted on the first plate portion. 11 , the second plate portion 12 is adjustably coupled to the mounting plate 20 such that the adjustable connection of the second plate portion 12 to the mounting plate 20 enables the joint 43 to move away from or near the sealing plate 34 . Since the rigid tube 41 is fixed to the tail of the box-shaped leg, the relative position of the joint 43 and the hard tube 41 can be adjusted by moving the joint 43 away from or close to the sealing plate 34, thereby achieving precise alignment.
  • the first plate portion 11 has at least one first mounting groove 11a, and the joint 43 is installed in the first mounting groove 11a.
  • the mounting position of the joint 43 can be adjusted by the first mounting groove 11a, so that the joint 43 can be easily adjusted according to the position between the pair of hard tubes 41 and the arrangement direction of the pair of hard tubes 41 described below.
  • the first mounting groove 11a can be moved away from or close to the sealing plate 34 by adjusting the relative connection position of the second plate portion 12 with the mounting plate 20.
  • connection between the connecting plate 10 and the mounting plate 20 can be made The connection to the other parts and the connecting plate 10 is adjusted in different planes to adjust the mounting position of the joint 43 according to the specific position of the hard tube 41 to achieve precise connection.
  • the joint 43 can also be mounted at other suitable positions of the first plate portion 11 (for example, directly attached to the top of the first plate portion 11) as long as it can be conveniently located according to the position between the pair of rigid tubes 41 and along the hard
  • the arrangement direction of the tubes 41 may be such that the mounting position of the joint 43 is adjusted.
  • the adjustable connection between the second plate portion 12 and the mounting plate 20 can be achieved in various suitable manners, for example, the second plate portion 12 and the mounting plate 20 can be adjusted to a suitable relative position and then passed through a clamp or A clamp or the like securely connects the second plate portion 12 and the mounting plate 20.
  • the relative position of the second plate portion 12 and the mounting plate 20 can be freely adjusted by loosening the clamp or the clamp.
  • one of the second plate portion 12 and the mounting plate 20 has at least one second mounting groove 12a, the second plate portion 12 and the mounting plate 20 The other has at least one mounting hole 21a corresponding to at least one of the second mounting slots 12a, and the fastener 60 adjustably connects the second panel portion through the second mounting slot 12a and the mounting hole 21a 12 and the mounting plate 20.
  • the second plate portion 12 has a second mounting groove 12a
  • the mounting plate 20 has a mounting hole 21a.
  • the fastener 60 can be adjusted in the mounting position by the second mounting groove 12a and the mounting hole 21a, thereby adjusting the relative positions of the second plate portion 12 and the mounting plate 20.
  • the mounting plate 20 has a third plate portion 21 parallel to the second plate portion 12, and the first mounting hole 21a is disposed on the third plate portion 21 to facilitate the second mounting groove 12a and The alignment of the mounting holes 21a.
  • the connecting plate 10, the mounting plate 20, and the mounting plate 10 are required to be mounted.
  • the joint 43 and the hose set 42 (the hose set 42 including the hose 42a and the drag chain 42b) are placed together in the box-shaped leg to be coupled to the rigid tube 42 and fixed inside the box-shaped leg.
  • the third plate portion 21 is provided with a notch allowing the operating tool to protrude.
  • the rigid tube 41, the hose set 42 and the joint 43 can be of materials and constructions well known in the art.
  • the rigid tube 41 is fixed to a suitable fixing base by suitable fasteners (for example, fixed to the upper cover 31 or the lower cover 32) and bent at the tail portion by substantially 90 degrees to form the connection end of the rigid tube 41.
  • the drag chain 42b covers the outer surface of the hose 42a to form the hose set 42.
  • the hose set 42 is connected to the connection end of the hard tube 41 through the joint 43 through one end of the hose 42a.
  • the joint 43 may be an elbow formed of a rigid material and bent substantially at right angles.
  • the joint 43 is mounted in the first mounting groove 11a, one end is connected to the connecting end of the hard tube 41, and the other end is connected to the one end of the hose 42a. .
  • the hard pipe 41, the joint 43 and the hose 42 in the hydraulic line are a pair for oil and oil respectively.
  • a pair of joints 43 can be mounted at appropriate positions of the first mounting groove 11a according to the horizontal (parallel to the second plate portion 12) position of the pair of rigid tubes 41, that is, along the first mounting groove
  • the length direction of the 11a adjusts the mounting position of the joint 43, so that the joint end of the joint 43 and the hard tube 41 can be aligned, thereby ensuring the precise connection of the hose 41a and the hard tube 41; on the other hand, as described above, it can be hard
  • the bent position of the tube 41 adjusts the relative positions of the second plate portion 12 (i.e., the connecting plate 10) and the mounting plate 20, thereby ensuring that the joint 43 and the hose set 42 can be adjusted along the length of the second mounting groove 12a, thereby
  • the connecting joint 43 and the hose 42a are adapted to accurately connect the rigid pipe 41.
  • the first plate portion 11 and the second plate portion 12 are perpendicular to each other, so that the connection between the connecting plate 10 and the mounting plate 20 and other parts and The connection of the webs 10 can accordingly be adjusted in mutually perpendicular planes so that the adjustments in the planes are more independent and no interference occurs.
  • the second plate portion 12 can be used as a fixing base of the relevant member, so that the connecting plate 10 of the present invention can be fully utilized and the structure and space can be simplified.
  • the second plate portion 12 has at least one fixing hole 12b, and the drag chain 42b is fixed on the second plate portion 12 so as to be securely connected while accurately connecting the hard tube 41 and the hose 42a.
  • the drag chain 42b is fixed to restrict the free movement of the drag chain 42, and thus the adverse effect on the connection strength and accuracy of the hard tube 41 and the hose 42a due to the free movement of the drag chain 42b can be prevented.
  • the towline 42 It can also be secured to the second panel portion 12 by other suitable means, such as a clip on the second panel portion 12.
  • the fixing plate 50 and the mounting plate 20 are provided with corresponding fastening holes 22.
  • the fastener is connected to the fixing plate 50 and the mounting plate 20 through the fastening holes 22.
  • the assembly including the web 10, the mounting plate 20, the joint 43, and the hose set 42 can thus be secured to the closure panel 34 by fasteners 60.
  • the mounting plate 20 can also be secured to the mounting plate 50 by other suitable means, such as welding.
  • the tail portion of the box-shaped leg includes an upper cover 31, a lower cover 32 and a side plate 33, and the sealing plate 34 is connected to the lower cover 32 or the side plate 33 such that the box shape
  • the opening of the leg forms the opening 35
  • the rigid tube 41 is fixed to the upper cover 31 or the lower cover 32.
  • the upper cover 31, the lower cover 32, the side plate 33 and the sealing plate 34 of the tail portion of the box-shaped leg may be made of materials and structures known in the art, so that an opening 35 is formed in the tail portion while forming the box shape, so that For assembly operations.
  • a concrete pump truck is provided, wherein the concrete pump vehicle has the leg structure of the present invention.
  • the leg structure of the present invention can also be applied to other construction machines or vehicles, such as cranes and the like.
  • a tubing assembly method in a leg structure wherein the leg structure is a leg structure of the present invention, and a tail portion of the box leg includes an upper cover 31 and a lower portion a cover plate 32 and a side plate 33, the cover plate 34 being coupled to the side plate 33, the cover plate 34 being coupled to the upper cover plate 31 or the lower cover plate 32 (in the illustrated embodiment, The sealing plate 34 is connected to the lower cover 31 such that the tail portion of the box-shaped leg forms the opening 35, and the rigid tube 41 is fixed on the upper cover 31 or the lower cover 32, Methods include:
  • a fixing plate 50 is disposed on the sealing plate 34;
  • the joints 43 are mounted on the first plate portion 11 at the same pitch according to the spacing between the hard tubes 41; Adjusting the relative positions of the second plate portion 12 and the mounting plate 20 according to the distance between the hard tube 41 and the fixing plate 50 and passing the second plate portion 12 and the mounting plate 20 through the tightness
  • the fixing member 60 is fixed so that the mounting plate 20 can be extended to a position fixed to the fixing plate 50; the hose 42a and the joint 43 are connected;
  • the mounting plate 20 is fixed to the fixing plate 50.
  • the mounting plate 20 when adjusting the relative positions of the second plate portion 12 and the mounting plate 20, on the one hand, the mounting plate 20 can be extended to be fixedly connected to the fixing plate 50 by, for example, the fastening holes 22 and the fasteners 60, that is, ensuring When the mounting plate 20 is finally fixed to the fixing plate 50, the length of the mounting plate 20 from the position where the connecting plate 10 is connected is sufficient for the fixing operation; on the other hand, the joint 43 can be connected to the fixed hard tube 41. That is, one end of the joint 43 can be precisely aligned with the connection end of the hard tube 41.
  • the distance between the connecting end of each of the rigid tubes 41 and the fixing plate 50 can be actually measured, and then the relative positions of the connecting plate 10 and the mounting plate 20 are adjusted, so that the mounting plate 20 is extended.
  • the distance at which the plate portion 11 is located coincides with the distance between the connection end of the hard tube 41 and the fixing plate 50.
  • the operation of connecting the hose 42a by the joint 43 and the operation of adjusting the second plate portion 12 and the mounting plate 20 can be performed before the hose kit 42, the connecting plate 10, and the mounting plate 20 are installed into the box-shaped leg. get on.
  • the step of requiring the technician to operate from the opening 35 only involves attaching the rigid tube 41 to the joint 43 and securing the mounting plate 20 to the fixed plate 50.
  • the operation of the two steps is substantially unrestricted by the limited space of the opening 35, which is of sufficient size to allow the two steps to proceed smoothly.
  • the method further includes securing the drag chain 42b to the web 10 to secure the hose kit 40 as a unit to the web 10.
  • Due to hose kit 40, connecting plate The mounting plate 20 and the mounting plate 20 are mounted as a unitary assembly on the sealing plate 34 via the fixing plate 50, so that the relevant operation can also be performed as a whole when disassembling. Specifically, when disassembling, it is only necessary to separate the joint end of the joint 43 and the hard tube 41, and the mounting plate 20 is detached from the fixing plate 50, so that the hose set 40, the connecting plate 10 and the mounting plate 20 can be integrally Remove from the box legs.
  • the first plate portion 11 has at least one first mounting groove 11a.
  • one of the second plate portion 12 and the mounting plate 20 has at least one second mounting groove 12a
  • the other of the second plate portion 12 and the mounting plate 20 has at least At least one mounting hole 21a corresponding to the second mounting groove 12a
  • the fastener 60 adjustably connects the second plate portion 12 and the mounting plate through the second mounting groove 12a and the mounting hole 21a 20. Therefore, the relative positions of the second plate portion 12 and the mounting plate 20 can be easily adjusted by simply making the mounting holes 21a correspond to different positions of the second mounting groove 12a.
  • the first plate portion 11 and the second plate portion 12 may be perpendicular to each other so as to be compatible with the vertically bent hard tube 41.
  • the second plate portion 12 has at least one fixing hole 12b thereon, the method further comprising: including the hose 42a, the drag chain 42b, the joint 43, the connecting plate 10 and the mounting plate
  • the assembly of 20 is secured to the web 10 by fasteners and the securing holes 12b prior to insertion of the opening 35 into the interior of the box legs.
  • the sealing plate 34 is connected to the lower cover 32, and the connecting plate 10 and the mounting plate 20 are positioned as shown in FIG. 5, so that the mounting plate 20 adjacent to the opening 35; when the hose and the hard pipe are mounted on the upper cover 31, the sealing plate 34 is connected to the upper cover 31, and the connecting plate 10 and the mounting plate 20 can be positioned upside down from the state shown in FIG. That is, the mounting plate 20 is still adjacent to the opening 35.
  • the mounting plate 20 is easily fixed to the fixing plate 50 provided on the closure 34.
  • a second mounting groove 12a may be formed on the third plate portion 21 and a mounting hole 21a may be formed on the second plate portion 12; the fixing mentioned herein may be achieved by various suitable means, such as welding,
  • the sealing plate 34 may be connected to the upper cover 31 and the side plate 33, or the sealing plate 34 may be connected to the lower cover 32 and the side plate 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Rehabilitation Tools (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Handcart (AREA)

Abstract

La présente invention a trait à une structure de béquille de support qui comprend une béquille de support sous forme de boîtier. Une partie d'extrémité de la béquille de support sous forme de boîtier comprend une plaque de fermeture (34) et une ouverture (35). La structure de béquille de support comprend aussi des conduites hydrauliques constituées de tuyaux rigides (41), de joints (43) et de tuyaux flexibles (42a) qui sont enveloppés par des câbles de remorquage (42b). Les tuyaux rigides (41) et les tuyaux flexibles (42a) sont couplés au moyen des joints (43). La structure de béquille de support comprend également une plaque de fixation (50), une plaque de raccord (10) et une plaque de pose (20). La plaque de fixation (50) est disposée sur la plaque de fermeture (34), et la plaque de pose (20) est en mesure d'être fixée à la plaque de fixation (50). La plaque de raccord (10) comprend une première partie de plaque (11) et une seconde partie de plaque (12), et le plan de la première partie de plaque ainsi que le plan de la seconde partie de plaque se croise. La seconde partie de plaque (12) est couplée de façon ajustable à la plaque de pose (20), ce qui permet à la première partie de plaque de s'éloigner ou de se rapprocher de la plaque de fermeture. Les joints (43) sont alignés avec les tuyaux rigides (41) et installés sur la première partie de plaque, et les tuyaux flexibles sont installés en étant alignés avec les joints. La présente invention a également trait à un véhicule de pompe à béton et à un procédé d'assemblage de tuyau d'huile. Grâce à la structure de béquille de support et au procédé d'assemblage de tuyau d'huile, les tuyaux rigides et les tuyaux flexibles peuvent être couplés avec précision et de façon commode.
PCT/CN2011/076046 2010-09-25 2011-06-21 Structure de béquille de support, véhicule de pompe à béton et procédé d'assemblage de tuyau d'huile WO2012037827A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112013006787A BR112013006787A2 (pt) 2010-09-25 2011-06-21 estrutura de base de suporte, bomba de concreto de caminhão montado e método de montagem de tubo de óleo
RU2013112723/11A RU2013112723A (ru) 2010-09-25 2011-06-21 Конструкция выносной опоры, автобетононасос и способ установки маслопровода
EP11826354.0A EP2620335B1 (fr) 2010-09-25 2011-06-21 Structure de béquille de support, véhicule de pompe à béton et procédé d'assemblage de tuyau d'huile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010293085.9 2010-09-25
CN2010102930859A CN102039877B (zh) 2010-09-25 2010-09-25 支腿结构、混凝土泵车及油管装配方法

Publications (1)

Publication Number Publication Date
WO2012037827A1 true WO2012037827A1 (fr) 2012-03-29

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PCT/CN2011/076046 WO2012037827A1 (fr) 2010-09-25 2011-06-21 Structure de béquille de support, véhicule de pompe à béton et procédé d'assemblage de tuyau d'huile

Country Status (5)

Country Link
EP (1) EP2620335B1 (fr)
CN (1) CN102039877B (fr)
BR (1) BR112013006787A2 (fr)
RU (1) RU2013112723A (fr)
WO (1) WO2012037827A1 (fr)

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CN103043042A (zh) * 2012-12-05 2013-04-17 三一重工股份有限公司 一种配重支腿垫板及工程机械配重方法
CN113356592A (zh) * 2021-06-28 2021-09-07 新兴栈(绵阳)建材有限公司 一种混凝土输送管终端防溅落装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102039877B (zh) * 2010-09-25 2012-06-27 中联重科股份有限公司 支腿结构、混凝土泵车及油管装配方法
CN104176017A (zh) * 2014-08-19 2014-12-03 安徽星马专用汽车有限公司 一种组合油缸、前支腿组件及混凝土泵车
CN104831933B (zh) * 2014-12-19 2017-09-15 北汽福田汽车股份有限公司 管路安装调整装置和管路安装方法

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US6484752B1 (en) * 1998-09-28 2002-11-26 Putzmeister Aktiengesellschaft Auto concrete pump
CN2582919Y (zh) * 2002-11-14 2003-10-29 三一重工股份有限公司 一种承重车辆用液压支腿
CN101648558A (zh) * 2008-08-11 2010-02-17 徐州重型机械有限公司 伸缩支腿及具有该支腿的伸缩支腿总成和混凝土泵车
CN102039877A (zh) * 2010-09-25 2011-05-04 长沙中联重工科技发展股份有限公司 支腿结构、混凝土泵车及油管装配方法

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Publication number Priority date Publication date Assignee Title
US4809615A (en) * 1988-02-16 1989-03-07 Kershaw Manufacturing Co., Inc. Method and apparatus for re-railing working platforms
US6484752B1 (en) * 1998-09-28 2002-11-26 Putzmeister Aktiengesellschaft Auto concrete pump
CN2582919Y (zh) * 2002-11-14 2003-10-29 三一重工股份有限公司 一种承重车辆用液压支腿
CN101648558A (zh) * 2008-08-11 2010-02-17 徐州重型机械有限公司 伸缩支腿及具有该支腿的伸缩支腿总成和混凝土泵车
CN102039877A (zh) * 2010-09-25 2011-05-04 长沙中联重工科技发展股份有限公司 支腿结构、混凝土泵车及油管装配方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103043042A (zh) * 2012-12-05 2013-04-17 三一重工股份有限公司 一种配重支腿垫板及工程机械配重方法
CN113356592A (zh) * 2021-06-28 2021-09-07 新兴栈(绵阳)建材有限公司 一种混凝土输送管终端防溅落装置

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Publication number Publication date
CN102039877B (zh) 2012-06-27
EP2620335A1 (fr) 2013-07-31
EP2620335A4 (fr) 2013-10-09
EP2620335B1 (fr) 2015-03-18
CN102039877A (zh) 2011-05-04
RU2013112723A (ru) 2014-10-27
BR112013006787A2 (pt) 2016-07-05

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