WO2021169441A1 - 一种塔式起重机标准节与顶升套架之间配合的滑动结构 - Google Patents

一种塔式起重机标准节与顶升套架之间配合的滑动结构 Download PDF

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Publication number
WO2021169441A1
WO2021169441A1 PCT/CN2020/131150 CN2020131150W WO2021169441A1 WO 2021169441 A1 WO2021169441 A1 WO 2021169441A1 CN 2020131150 W CN2020131150 W CN 2020131150W WO 2021169441 A1 WO2021169441 A1 WO 2021169441A1
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standard section
angle
sliding
jacking sleeve
main
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PCT/CN2020/131150
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English (en)
French (fr)
Inventor
王建军
米成宏
衣磊
李玉杰
郑怀鹏
石理想
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徐州建机工程机械有限公司
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Priority to KR1020227033307A priority Critical patent/KR20220145890A/ko
Publication of WO2021169441A1 publication Critical patent/WO2021169441A1/zh

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes

Definitions

  • the invention relates to a tower crane, in particular to a sliding structure matched between a standard section of a tower crane and a jacking sleeve frame.
  • the height of the tower body must be continuously adjusted to adapt to the situation of rising height of the building, and the height adjustment of the tower body is usually realized by adding a new standard section.
  • the main limb on the standard section adopts H-shaped steel, and the two vertical surfaces of the H-shaped steel of the main limb of the standard section are used as the climbing track of the jacking frame.
  • Four sliding blocks are arranged on the main limbs and beams of the jacking sleeve.
  • the purpose of the present invention is to provide a sliding structure matched between the standard section of the tower crane and the jacking sleeve, which can overcome the problems of poor sliding and high manufacturing requirements caused by the use of H-shaped steel as the track in the prior art , So that the sliding fit between the two is more reasonable.
  • a sliding structure for cooperation between the standard section of the tower crane and the jacking frame of the present invention includes a standard section and a jacking frame.
  • the standard section is composed of four first main limbs and supports.
  • the upper and lower end surfaces of each of the first main limbs are fixedly provided with flange plates, the flange plates include end right-angle sliders, and the end right-angle sliders are located at the On the outer side of the cross section of the first main limb, the four first right-angle sliders belonging to the same plane constitute a rectangular surface; a middle part is provided between the upper end surface and the lower end surface of each first main limb Right-angle slider, the four middle right-angle sliders on the same plane constitute a rectangular surface, the four middle right-angle sliders are a group, and at least are arranged between the upper and lower end surfaces of the first main limb One set; the projection of the rectangular surface formed by the right-angle slider at the end and the
  • the upper and lower end surfaces of the slideway are provided with chamfers.
  • the first main limb is made of round steel.
  • the beneficial effect of the present invention is that the present invention discards the prior art method of using H-shaped steel as the sliding track surface, so that the main limb profile of the standard section is not restricted to facilitate selection. And by setting sliders (end right-angle sliders and middle right-angle sliders) on the main limb of the standard section, and set up slides on the jacking sleeve, the jacking sleeve and the standard section can avoid sliding Open some interference, and overcome some of the disadvantages of poor sliding caused by the use of H-shaped steel. In addition, the end slide is provided on the flange plate of the standard section, which can save production cost and workload.
  • the first main limb is made of round steel, which can reduce wind resistance and improve the safety of tower crane construction.
  • Figure 1 is a schematic diagram of the structure of the standard section of the present invention.
  • Figure 2 is a top view of Figure 1;
  • Figure 3 is a cross-sectional view taken along the line A-A of Figure 1
  • Figure 4 is a schematic diagram of the three-dimensional structure of the jacking frame
  • Figure 5 is an enlarged view of B in Figure 4.
  • a sliding structure that cooperates with the standard section of a tower crane and the jacking frame includes a standard section 1 and a jacking frame 2.
  • the standard section 1 is composed of four first main limbs 10 and supports In the space truss structure formed by rods, flange plates 11 are fixedly arranged on the upper and lower end surfaces of each first main limb 10, as shown in FIG. 2.
  • the flange plate 11 is provided with an end right-angle slider 12, which is located outside the cross section of the first main limb 10, and the four end right-angle sliders 12 on the same plane constitute a rectangular surface.
  • a middle right-angled slider 13 is fixed between the upper end surface and the lower end surface of each first main limb 10.
  • the four middle right-angled sliders 13 on the same plane form a rectangular surface.
  • the middle right-angle slider (13) is a group, and at least one group is set between the upper and lower end surfaces of the first main limb 10.
  • the projections of the rectangular surface formed by the end right-angle slider 12 and the rectangular surface formed by the middle slider 13 coincide, so that the right-angle point of the end right-angle slider and the right-angle point of the middle right-angle slider are on the same vertical line.
  • the jacking frame 2 is a space truss structure composed of four second main limbs 20 and support rods.
  • the lower inner side of the second main limb 20 is fixedly provided with a slide 21.
  • the height of the slide 21 is required to Higher than the height of standard section 1.
  • the jacking sleeve 2 is sleeved on the outside of the standard section 1, and the jacking sleeve 2 cooperates with the end right-angle slider 12 and the middle right-angle slider 13 on the standard section 1 through a slide 21 to realize up and down sliding.
  • the upper and lower end surfaces of the slide 21 are provided with chamfers 22, which can prevent the end right-angle slider 12 and the middle right-angle slider 13 on the standard section from passing through the upper and lower ends of the slide. Jamming phenomenon.
  • the first main limb 1 is made of round steel.
  • the round steel has a small windward area and low wind resistance, which can improve the safety of the external construction of the tower crane.
  • the tower crane uses a large amount of steel, and the use of round steel can save production costs.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

一种塔式起重机标准节（1）与顶升套架（2）之间配合的滑动结构，包括标准节（1）与顶升套架（2），标准节（1）是由四个第一主肢（10）及支撑杆件构成的空间桁架结构，每个第一主肢（10）上端面和下端面均固定设置有法兰板（11），法兰板（11）包括端部直角滑块（12），端部直角滑块（12）位于第一主肢（10）横截面的外侧。在每个第一主肢（10）的上端面与下端面之间设有中部直角滑块（13）。顶升套架（2）是由四个第二主肢（20）及支撑杆架构成的空间桁架结构，第二主肢（20）的下部内侧固定设置有滑道（21），顶升套架（20）套设于标准节外部，顶升套架（20）通过滑道（21）与标准节（1）上的端部直角滑块（12）及中部直角滑块（13）的配合，从而实现上下滑动。上述结构使标准节（1）与顶升套架（2）之间的滑动更为合理顺畅。

Description

一种塔式起重机标准节与顶升套架之间配合的滑动结构 技术领域
本发明涉及塔式起重机，具体涉及一种塔式起重机标准节与顶升套架之间配合的滑动结构。
背景技术
塔式起重机在工作时，其塔身的高度要不断的调节，以适应在建筑物的高度不断上升的情况，而塔身的高度调节通常是用增添新的标准节来实现的。在现有的技术中，标准节上的主肢采用H型钢，标准节主肢H型钢的两个垂直面作为顶升套架爬升的轨道。在顶升套架的主肢及横梁上设置4个滑块，当套在标准节外侧的顶升套架上下运动时，其通过滑块与标准节接触，由此产生上下滑动。但由于现有结构中采用H型钢的两个垂直面作为标准节主肢的轨道面，因此在使用中必须保证这两个平面从下往上无凹凸，即在这两个平面上既不能开槽也不能焊接其他零件，因此对于标准节连接耳板、踏步的布置要求非常高，难度较大，且对于采用如圆钢等型材作为主肢时则无法采用这种形式。
发明内容
本发明的目的在于提供一种塔式起重机标准节与顶升套架之间配合的滑动结构，它可以克服现有技术中采用H形钢作为轨道而产生的滑动不畅及制作要求高的问题，使二者之间的滑动配合更为合理。
为实现上述目的，本发明的一种塔式起重机标准节与顶升套架之间配合的滑动结构，包括标准节与顶升套架，所述标准节是由四个第一主肢及支撑杆件构成的空间桁架结构，所述每个第一主肢上端面和下端面均固定设置有法兰板，所述法兰板包括端部直角滑块，所述端部直角滑块位于所述第一主肢横截面的外侧，所述属于同一平面上的四个所述第一直角滑块构成矩形面；在所述每个第一主肢的上端面与下端面之间设有中部直角滑块，所述处于同一平面上的四个所述中部直角滑块构成一个矩形面，所述四个中部直角滑块为一组，在所述第一主肢的上下端面之间至少设置一组；所述端部直角滑块构成的矩形面与所述中间滑块构成的矩形面的投影重合；所述顶升套架是由四个第二主肢及支撑杆架构成的 空间桁架结构，所述第二主肢的下部内侧固定设置有滑道，所述顶升套架套设于所述标准节外部，所述顶升套架通过滑道与所述标准节上的端部直角滑块及所述中间滑块的配合，从而实现上下滑动。
进一步地，所述滑道的上下端面设置倒角。
进一步地，所述第一主肢采用圆钢制作。
本发明的有益效果是：本发明摒弃了现有技术中采用以H型钢作为滑动轨道面的做法，使标准节的主肢型材不作限制，以方便选择。并通过在标准节的主肢上设置滑块(端部直角滑块和中间直角滑块)，在顶升套架上设置滑道，从而使顶升套架与标准节在产生滑动时，避开了一些干涉，并且克服了采用H型钢产生的一些滑动不畅的弊端。另外，在标准节的法兰板上设置端部滑道，可以节约制作成本及工作量。第一主肢采用圆钢，可以减小风阻，提高塔机施工安全性。
附图说明
图1是本发明标准节的结构示意图；
图2是图1的俯视图；
图3是图1的A-A向剖视图
图4是顶升套架的立体结构示意图；
图5是图4中B处的放大图；
图中，1-标准节，10-第一主肢，11-法兰板，12-端部直角滑块，13-中部直角滑块，2-顶升套架，20-第二主肢，21-滑道，22-倒角。
具体实施方式
下面结合附图及具体实施例对本发明作进一步详细说明。
如图1所示，一种塔式起重机标准节与顶升套架之间配合的滑动结构，包括标准节1与顶升套架2，标准节1是由四个第一主肢10及支撑杆件构成的空间桁架结构，每个第一主肢10上端面和下端面均固定设置有法兰板11，如图2所示。法兰板11上面设有端部直角滑块12，端部直角滑块12位于第一主肢10横截面的外侧，属于同一平面上的四个端部直角滑块12构成矩形面。如图3所示，在每个第一主肢10的上端面与下端面之间固定设置有中部直角滑块13，处于同一平面上的四个中部直角滑块13构成一个矩形面，四个中部 直角滑块(13)为一组，在第一主肢10的上下端面之间至少设置一组。端部直角滑块12构成的矩形面与中间滑块13构成的矩形面的投影重合，这样可以保证端部直角滑块的直角点与中部直角滑块的直角点处于同一垂直线上。如图4所示，顶升套架2是由四个第二主肢20及支撑杆构成的空间桁架结构，第二主肢20的下部内侧固定设置有滑道21，滑道21的高度要高于标准节1的高度。顶升套架2套设于标准节1外部，顶升套架2通过滑道21与标准节1上的端部直角滑块12及中部直角滑块13配合，从而实现上下滑动。如图5所示，滑道21的上下端面设置倒角22，这样可以防止标准节上的端部直角滑块12与中部直角滑块13在经过滑道上下端时不会因为某种原因产生卡阻现象。
第一主肢1采用圆钢制作，一是圆钢的迎风面积小，风阻小，可以提高塔机外部施工的安全性。二是塔式起重机用钢量较大，采用圆钢可以节约制作成本。
上面结合附图对本发明的实施方式作了详细说明，但是本发明并不限于此，在所属技术领域的技术人员所具备的知识范围内，在不脱离本发明宗旨的前提下可以作出的各种变化，都处于本发明权利要求的保护范围之内。

Claims (3)

  1. 一种塔式起重机标准节与顶升套架之间配合的滑动结构，其特征在于:包括标准节(1)与顶升套架(2)，所述标准节(1)是由四个第一主肢(10)及支撑杆件构成的空间桁架结构，所述每个第一主肢(10)上端面和下端面均固定设置有法兰板(11)，所述法兰板(11)包括端部直角滑块(12)，所述端部直角滑块(12)位于所述第一主肢(10)横截面的外侧，属于同一平面上的四个所述端部直角滑块(12)构成矩形面；在所述每个第一主肢(10)的上端面与下端面之间固定设置有中部直角滑块(13)，处于同一平面上的四个所述中部直角滑块(13)构成一个矩形面，四个所述中部直角滑块(13)为一组，在所述第一主肢(10)的上下端面之间至少设置一组；所述端部直角滑块(12)构成的矩形面与所述中间滑块(13)构成的矩形面的投影重合；所述顶升套架(2)是由四个第二主肢(20)及支撑杆构成的空间桁架结构，所述第二主肢(20)的下部内侧固定设置有滑道(21)，所述顶升套架(2)套设于所述标准节(1)外部，所述顶升套架(2)通过所述滑道(21)与所述标准节(1)上的所述端部直角滑块(12)及所述中部直角滑块(13)配合，从而实现上下滑动。
  2. 根据权利要求1所述的一种塔式起重机标准节与顶升套架之间配合的滑动结构，其特征在于：所述滑道(21)的上下端面设置倒角(22)。
  3. 根据权利要求1所述的一种塔式起重机标准节与顶升套架之间配合的滑动结构，其特征在于:所述第一主肢(1)采用圆钢制作。
PCT/CN2020/131150 2020-02-25 2020-11-24 一种塔式起重机标准节与顶升套架之间配合的滑动结构 WO2021169441A1 (zh)

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