CN110056103A - A kind of prefabricated panel and overlapping beam connecting node and its construction method - Google Patents
A kind of prefabricated panel and overlapping beam connecting node and its construction method Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 5
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
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Abstract
本发明公开了一种预制墙板与叠合梁连接节点及其施工方法，连接节点包括预制墙板、连接件和位于预制墙板上方的叠合梁，预制墙板的上端部沿着宽度方向间隔设置有缺口；叠合梁的的底部预埋有预埋套筒，预埋套筒的下端与叠合梁的下表面平齐，且预埋套筒具有内螺纹；连接件的一端与预埋套筒螺纹连接，另一端位于预制墙板的缺口内，缺口内填充有混凝土。本发明还涉及预制墙板与叠合梁连接节点的施工方法。本发明解决了工厂生产、运输及现场施工居多限制问题，此种连接节点受力简单，安全可靠，一根较长的叠合梁下方可以设置多个预制墙板，从而减轻了单个预制构件的重量、宽度，操作简单方便，减少了施工成本，加快了施工进度。
The invention discloses a connection node between a prefabricated wall panel and a composite beam and a construction method thereof. The connection node includes a prefabricated wall panel, a connector and a composite beam located above the prefabricated wall panel. The upper end of the prefabricated wall panel is along the width direction. There are gaps at intervals; a pre-embedded sleeve is pre-embedded at the bottom of the superimposed beam, the lower end of the pre-embedded sleeve is flush with the lower surface of the superimposed beam, and the pre-embedded sleeve has internal threads; The embedded sleeve is threaded, and the other end is located in the gap of the prefabricated wall panel, and the gap is filled with concrete. The invention also relates to a construction method for connecting nodes between prefabricated wall panels and composite beams. The invention solves the problems of many limitations in factory production, transportation and on-site construction, the connection node is simple in force, safe and reliable, and a plurality of prefabricated wall panels can be arranged under a long composite beam, thereby reducing the burden of a single prefabricated component. Weight, width, simple and convenient operation, reduce construction cost and speed up construction progress.
Description
技术领域technical field
本发明涉及一种预制墙板与叠合梁连接节点及其施工方法，属于装配式建筑技术领域。The invention relates to a connection node between a prefabricated wall panel and a composite beam and a construction method thereof, belonging to the technical field of prefabricated buildings.
背景技术Background technique
在装配式建筑体系中，由于大多数公建项目(如学校、写字楼项目)的层高一般超过3.2m，梁跨度大于6m，如果采用梁墙一体(预制墙板和叠合梁在预制工厂整体预制)的预制构件，由于梁的尺寸太大，通常情况下生产预制墙板的钢台车(台模)限制构件一边宽度不能大于3.2m，现有的生成预制墙板的预制工厂将难以生产此种预制构件，需要对生产线进行改进，预制构件运输也受到较大的限制，会增加运输成本，且梁墙一体的预制构件自重较大，沿梁的长度方向不能再次拆分，自重太大不利于后期施工过程中的吊装作业，增加施工成本。In the prefabricated building system, since the floor height of most public construction projects (such as schools and office building projects) generally exceeds 3.2m and the beam span is greater than 6m, if the beam-wall integration (prefabricated wall panels and laminated beams are used in the prefabricated factory as a whole) prefabricated) prefabricated components, because the size of the beam is too large, usually the steel trolley (table mold) for producing prefabricated wall panels restricts the width of one side of the component to not be greater than 3.2m, and the existing prefabrication factories that generate prefabricated wall panels will be difficult to produce This kind of prefabricated component needs to improve the production line, and the transportation of prefabricated components is also greatly restricted, which will increase the transportation cost, and the prefabricated component integrated with the beam and the wall has a large self-weight and cannot be split again along the length of the beam. It is not conducive to the hoisting operation in the later construction process and increases the construction cost.
发明内容SUMMARY OF THE INVENTION
为了克服现有技术中存在的问题，本发明提供一种便于生产、运输和施工的预制墙板与叠合梁连接节点，具体技术方案如下。In order to overcome the problems existing in the prior art, the present invention provides a connection node between a prefabricated wall panel and a superimposed beam that is convenient for production, transportation and construction. The specific technical scheme is as follows.
一种预制墙板与叠合梁连接节点，包括预制墙板、连接件和位于所述预制墙板上方的叠合梁，其特征在于：所述预制墙板的上端部沿着宽度方向间隔设置有缺口，所述缺口至少向所述预制墙板的上表面敞开；所述叠合梁的的底部预埋有预埋套筒，所述预埋套筒的下端与所述叠合梁的下表面平齐，且所述预埋套筒具有内螺纹；所述连接件的一端与所述预埋套筒螺纹连接，另一端位于所述预制墙板的缺口内，所述缺口内填充有混凝土。A connection node between a prefabricated wall panel and a composite beam, comprising a prefabricated wall panel, a connector and a composite beam located above the prefabricated wall panel, characterized in that: the upper end of the prefabricated wall panel is arranged at intervals along the width direction There is a gap, and the gap is at least open to the upper surface of the prefabricated wall panel; the bottom of the superimposed beam is pre-embedded with a pre-embedded sleeve, and the lower end of the pre-embedded sleeve is connected to the lower end of the superimposed beam. The surface is flush, and the embedded sleeve has internal threads; one end of the connecting piece is threadedly connected with the embedded sleeve, and the other end is located in the gap of the prefabricated wall panel, and the gap is filled with concrete .
进一步地，所述连接件为螺杆或者至少一端带外螺纹的连接钢筋。Further, the connecting member is a screw rod or a connecting steel bar with an external thread at at least one end.
进一步地，所述缺口向所述预制墙板的上表面和其中一个墙面敞开。避免缺口贯穿预制墙板的两个墙面，使得预制墙板能够为连接件提供一定的侧向支撑，有利于提高预制墙板和叠合梁的连接节点的稳定性。Further, the gap is open to the upper surface of the prefabricated wall panel and one of the wall surfaces. It is avoided that the gap penetrates through the two walls of the prefabricated wall panel, so that the prefabricated wall panel can provide a certain lateral support for the connecting piece, which is beneficial to improve the stability of the connection node between the prefabricated wall panel and the superimposed beam.
进一步地，所述预制墙板的一部分缺口向其中一个墙面敞开，另一部分缺口向另一个墙面敞开。这样预制墙板的全部缺口就分布在所述预制墙板的两个墙面上，即使缺口中的混凝土与预制墙板的连接失效，由于预制墙板能够为连接件提供两个方向的限制，能够防止预制墙板的意外倾倒，确保预制墙板的安全可靠。Further, a part of the gap of the prefabricated wall panel is open to one of the walls, and another part of the gap is open to the other wall. In this way, all the gaps of the prefabricated wall panel are distributed on the two walls of the prefabricated wall panel. Even if the connection between the concrete in the gap and the prefabricated wall panel fails, because the prefabricated wall panel can provide two-direction constraints for the connecting piece, It can prevent the accidental dumping of the prefabricated wall panels and ensure the safety and reliability of the prefabricated wall panels.
进一步地，所述预制墙板的上端部内还预埋有第一定位套筒，所述第一定位套筒垂直于所述预制墙板的墙面且所述第一定位套筒的外端与所述预制墙板的其中一个墙面平齐；对应于所述第一定位套筒，所述叠合梁的内部预埋有第二定位套筒，所述第二定位套筒平行于所述第一定位套筒且所述第二定位套筒的外端与所述叠合梁的外表面平齐；所述第一定位套筒和所述第二定位套筒均具有内螺纹；所述第一定位套筒和与之对应的第二定位套筒通过定位连接件连接，所述定位连接件分别通过紧固件与所述对应的第一定位套筒和第二定位套筒固定连接。Further, a first positioning sleeve is pre-buried in the upper end of the prefabricated wall panel, the first positioning sleeve is perpendicular to the wall surface of the prefabricated wall panel, and the outer end of the first positioning sleeve One of the wall surfaces of the prefabricated wall panels is flush; corresponding to the first positioning sleeve, a second positioning sleeve is pre-embedded inside the superimposed beam, and the second positioning sleeve is parallel to the The outer ends of the first positioning sleeve and the second positioning sleeve are flush with the outer surface of the superimposed beam; the first positioning sleeve and the second positioning sleeve both have internal threads; the The first positioning sleeve and the corresponding second positioning sleeve are connected by a positioning connecting piece, and the positioning connecting piece is respectively fixedly connected with the corresponding first positioning sleeve and the second positioning sleeve through a fastener.
进一步地，所述定位连接件上开设有至少两个通孔，所述紧固件为螺栓，所述螺栓穿过所述通孔与所述第一定位套筒或第二定位套筒螺纹连接。优选地，所述定位连接件为钢板，所述通孔为长条形通孔。钢板能够保障叠合梁和预制墙板的连接定位强度，长条形通孔有利于消除叠合梁和预制墙板的制造和/或安装误差。Further, at least two through holes are formed on the positioning connector, the fasteners are bolts, and the bolts pass through the through holes and are threadedly connected to the first positioning sleeve or the second positioning sleeve . Preferably, the positioning connector is a steel plate, and the through hole is an elongated through hole. The steel plate can ensure the connection and positioning strength of the laminated beam and the prefabricated wall panel, and the elongated through holes are beneficial to eliminate manufacturing and/or installation errors of the laminated beam and the prefabricated wall panel.
基于同一发明构思，本发明还涉及上述连接节点的施工方法，主要包括以下步骤：Based on the same inventive concept, the present invention also relates to the construction method of the above-mentioned connection node, which mainly includes the following steps:
1)、将预制墙板吊装到安装位置后，对其进行斜支撑定位；1) After the prefabricated wall panel is hoisted to the installation position, it is supported and positioned obliquely;
2)、将叠合梁吊装至所述预制墙板的上方，使得所述叠合梁内的所述预埋套筒与所述预制墙板的缺口相对应；2), hoist the superimposed beam to the top of the prefabricated wall panel, so that the embedded sleeve in the superimposed beam corresponds to the gap of the prefabricated wall panel;
3)、将所述连接件的一端与所述预埋套筒螺纹连接，另一端位于所述缺口内；3), threadedly connect one end of the connector with the embedded sleeve, and the other end is located in the gap;
4)、使用混凝土将所述缺口填满。4) Fill the gap with concrete.
进一步地，在所述步骤4)之前还具有将所述缺口的内壁凿出粗糙面的步骤。粗糙面有利于在后填充的混凝土与预制墙板稳定的结合，提高在后填充的混凝土的稳定性。Further, before the step 4), there is also a step of chiseling the inner wall of the notch with a rough surface. The rough surface is conducive to the stable combination of the post-filled concrete and the precast wall panel, and improves the stability of the post-filled concrete.
进一步地，在所述步骤2)之后还具有以下步骤：将所述定位连接件通过紧固件与所述预制墙板的第一定位套筒固定连接，将所述定位连接件通过紧固件与所述叠合梁的第二定位套筒固定连接。Further, after the step 2), there is also the following steps: fixing the positioning connecting piece with the first positioning sleeve of the prefabricated wall panel through fasteners, and connecting the positioning connecting piece with the fasteners It is fixedly connected with the second positioning sleeve of the superimposed beam.
采用此方案，解决了工厂生产、运输及现场施工居多限制问题，此种连接节点受力简单，安全可靠，一根较长的叠合梁下方可以设置多个预制墙板，相邻预制墙板之间可以设置现浇柱或者预制柱，从而减轻了单个预制构件的重量、宽度，操作简单方便，减少了施工成本，加快了施工进度。本发明的预制墙板主要是用于非承重预制墙板。This solution solves most of the limitations of factory production, transportation and on-site construction. This kind of connection node is simple, safe and reliable. Multiple prefabricated wall panels can be set under a long composite beam, and adjacent prefabricated wall panels can be installed. Cast-in-place columns or prefabricated columns can be set between them, thereby reducing the weight and width of a single prefabricated component, making the operation simple and convenient, reducing the construction cost and speeding up the construction progress. The prefabricated wall panels of the present invention are mainly used for non-load-bearing prefabricated wall panels.
附图说明Description of drawings
图1是预制墙板与叠合梁连接节点的立体示意图；Fig. 1 is a three-dimensional schematic diagram of a connection node between a prefabricated wall panel and a laminated beam;
图2是预制墙板与叠合梁连接节点的竖直剖面示意图；Fig. 2 is the vertical cross-sectional schematic diagram of the connection node between the prefabricated wall panel and the laminated beam;
图3是图1中A区域的放大示意图。FIG. 3 is an enlarged schematic view of area A in FIG. 1 .
图中：预制墙板1、缺口11、连接钢筋2、叠合梁3、第二定位套筒31、预埋套筒4、混凝土5、钢板6、螺栓7、通孔8。In the figure: prefabricated wall panel 1, gap 11, connecting steel bar 2, laminated beam 3, second positioning sleeve 31, embedded sleeve 4, concrete 5, steel plate 6, bolt 7, through hole 8.
具体实施方式Detailed ways
下面结合附图对本发明作进一步详细描述。The present invention will be described in further detail below with reference to the accompanying drawings.
参见图1-3，一种预制墙板与叠合梁连接节点，包括预制墙板1、连接件和位于预制墙板1上方的叠合梁3，预制墙板1的上端部沿着宽度方向间隔设置有缺口11，缺口11至少向预制墙板1的上表面敞开；叠合梁3的的底部预埋有预埋套筒4，预埋套筒4的下端与叠合梁3的下表面平齐，且预埋套筒4具有内螺纹；所述连接件的一端与预埋套筒4螺纹连接，另一端位于预制墙板1的缺口11内，所述缺口11内填充有混凝土5。其中，宽度方向的为预制墙板1使用时墙板的宽度方向。Referring to Figures 1-3, a connection node between a prefabricated wall panel and a composite beam includes a prefabricated wall panel 1, a connector and a composite beam 3 located above the prefabricated wall panel 1. The upper end of the prefabricated wall panel 1 is along the width direction. There are gaps 11 at intervals, and the gaps 11 are at least open to the upper surface of the prefabricated wall panel 1; flush, and the embedded sleeve 4 has internal threads; one end of the connector is threadedly connected to the embedded sleeve 4 , and the other end is located in the gap 11 of the prefabricated wall panel 1 , and the gap 11 is filled with concrete 5 . Wherein, the width direction is the width direction of the wallboard when the prefabricated wallboard 1 is used.
叠合梁包括预制部分和位于预制部分上方的现浇部分，预埋套筒4位于预制部分的底部。在工厂生产叠合梁时在叠合梁的预制部分底部对应于预制墙板1的缺口11的位置预埋具有内螺纹的预埋套筒4，预埋套筒4固定只需在叠合梁模具底部开孔洞，定位螺栓与预埋套筒4连接，定位螺栓的螺纹头位于模具之外，预埋套筒4位于模具之内，在模具内浇注混凝土凝固后拆卸定位螺栓和模板后形成预埋套筒4。套筒预埋操作简单方便，定位精准，又防止漏浆，预埋套筒4数量及间距按预制墙板的缺口的数量布置预留预埋，需符合施工规范要求。The composite beam includes a prefabricated part and a cast-in-place part located above the prefabricated part, and the embedded sleeve 4 is located at the bottom of the prefabricated part. When the laminated beam is produced in the factory, a pre-embedded sleeve 4 with internal threads is pre-embedded at the bottom of the prefabricated part of the laminated beam at the position corresponding to the notch 11 of the prefabricated wall panel 1, and the embedded sleeve 4 only needs to be fixed on the laminated beam. Holes are opened at the bottom of the mold, the positioning bolts are connected with the embedded sleeve 4, the thread head of the positioning bolt is located outside the mold, and the embedded sleeve 4 is located in the mold. Buried sleeve 4. The sleeve pre-embedding operation is simple and convenient, the positioning is accurate, and the slurry leakage is prevented. The number and spacing of the pre-embedded sleeves 4 are arranged according to the number of gaps in the prefabricated wall panel.
其中，连接件为螺杆或者至少一端带外螺纹的连接钢筋2。Wherein, the connecting piece is a screw rod or a connecting steel bar 2 with an external thread at at least one end.
缺口11可以是三面敞开的缺口(即缺口贯穿预制墙板的两个墙面，且预制墙板的上表面也敞开供连接钢筋2的插入到缺口中)，也可以是两面敞开的缺口(即预制墙板的上表面敞开，预制墙板的其中一个墙面敞开)。缺口11优选向预制墙板的上表面和其中一个墙面敞开，如图2所示，这样可以避免缺口贯穿预制墙板的两个墙面，使得预制墙板能够为连接件提供一定的侧向支撑，有利于提高预制墙板和叠合梁的连接节点的稳定性。在生产预制墙板时，可以通过放置钢板或者泡沫等挡住浇筑的混凝土以形成缺口11。The gap 11 can be a gap open on three sides (that is, the gap runs through the two walls of the prefabricated wall panel, and the upper surface of the prefabricated wall panel is also open for the insertion of the connecting steel bar 2 into the gap), or it can be a gap open on both sides (ie, the gap is open on both sides). The upper surface of the prefabricated wall panel is open, and one of the walls of the prefabricated wall panel is open). The notch 11 is preferably open to the upper surface of the prefabricated wall panel and one of the wall surfaces, as shown in Figure 2, so that the notch can be prevented from penetrating the two walls of the prefabricated wall panel, so that the prefabricated wall panel can provide a certain lateral direction for the connecting piece. The support is beneficial to improve the stability of the connection node of the prefabricated wall panel and the laminated beam. When producing prefabricated wall panels, the gap 11 can be formed by placing steel plates or foam to block the poured concrete.
优选地，预制墙板1的一部分缺口11向其中一个墙面敞开，另一部分缺口11向另一个墙面敞开(未图示)。这样预制墙板1的全部缺口就分布在所述预制墙板1的两个墙面上，即使缺口11中的混凝土5与预制墙板的连接失效，由于预制墙板能够为连接件提供两个方向的限制，能够防止预制墙板1的意外倾倒，确保预制墙板1的安全可靠。Preferably, a part of the gap 11 of the prefabricated wall panel 1 is open to one of the wall surfaces, and another part of the gap 11 is opened to the other wall surface (not shown). In this way, all the gaps of the prefabricated wall panel 1 are distributed on the two walls of the prefabricated wall panel 1. Even if the connection between the concrete 5 in the gap 11 and the prefabricated wall panel fails, the prefabricated wall panel can provide two The restriction of the direction can prevent the prefabricated wall panel 1 from accidentally falling over and ensure the safety and reliability of the prefabricated wall panel 1 .
预制墙板1的上端部内还可以预埋有第一定位套筒(未图示)，第一定位套筒垂直于预制墙板1的墙面且所述第一定位套筒的外端与所述预制墙板1的其中一个墙面平齐；对应于所述第一定位套筒，所述叠合梁3的内部预埋有第二定位套筒31，第二定位套筒31平行于所述第一定位套筒且所述第二定位套筒31的外端与所述叠合梁3的外表面平齐；所述第一定位套筒和所述第二定位套筒31均具有内螺纹；所述第一定位套筒和与之对应的第二定位套筒31通过定位连接件连接，所述定位连接件分别通过紧固件与所述对应的第一定位套筒和第二定位套筒31固定连接。定位连接件优选为钢板6，钢板6能够保障叠合梁3和预制墙板1的连接定位强度；钢板上开设有用于穿设紧固件的长条形通孔8，紧固件优选为螺栓7，螺栓7穿过通孔8与第一定位套筒或第二定位套筒31螺纹连接，长条形通孔有利于消除叠合梁3和预制墙板1的制造和/或安装误差。A first positioning sleeve (not shown) can also be embedded in the upper end of the prefabricated wall panel 1, the first positioning sleeve is perpendicular to the wall surface of the prefabricated wall panel 1, and the outer end of the first positioning sleeve One of the walls of the prefabricated wall panel 1 is flush; corresponding to the first positioning sleeve, a second positioning sleeve 31 is pre-embedded inside the superimposed beam 3, and the second positioning sleeve 31 is parallel to the first positioning sleeve. The outer ends of the first positioning sleeve and the second positioning sleeve 31 are flush with the outer surface of the superimposed beam 3; the first positioning sleeve and the second positioning sleeve 31 have inner thread; the first positioning sleeve and the corresponding second positioning sleeve 31 are connected by positioning connecting pieces, and the positioning connecting pieces are respectively connected with the corresponding first positioning sleeve and the second positioning sleeve through fasteners The sleeve 31 is fixedly connected. The positioning connector is preferably a steel plate 6, which can ensure the connection and positioning strength of the laminated beam 3 and the prefabricated wall panel 1; the steel plate is provided with elongated through holes 8 for piercing fasteners, and the fasteners are preferably bolts 7. The bolts 7 pass through the through holes 8 to be threadedly connected to the first positioning sleeve or the second positioning sleeve 31 , and the elongated through holes are beneficial to eliminate manufacturing and/or installation errors of the laminated beam 3 and the prefabricated wall panel 1 .
上述连接节点的施工方法，主要包括以下步骤：The construction method of the above connection node mainly includes the following steps:
1)、将预制墙板1吊装到安装位置后，对其进行斜支撑定位；1) After the prefabricated wall panel 1 is hoisted to the installation position, it is supported and positioned obliquely;
2)、将叠合梁3吊装至所述预制墙板1的上方，使得所述叠合梁3内的所述预埋套筒4与所述预制墙板1的缺口11相对应；2), hoist the composite beam 3 above the prefabricated wall panel 1, so that the embedded sleeve 4 in the composite beam 3 corresponds to the gap 11 of the prefabricated wall panel 1;
3)、将连接钢筋2的一端与所述预埋套筒4螺纹连接，另一端位于所述缺口11内；3), one end of the connecting bar 2 is threadedly connected with the embedded sleeve 4, and the other end is located in the gap 11;
4)、使用混凝土5将所述缺口11填满。4), use concrete 5 to fill the gap 11.
优选地，在所述步骤4)之前还具有将所述缺口11的内壁凿出粗糙面的步骤。粗糙面有利于在后填充的混凝土与预制墙板稳定的结合，提高在后填充的混凝土的稳定性。Preferably, before the step 4), there is also a step of chiseling the inner wall of the notch 11 with a rough surface. The rough surface is conducive to the stable combination of the post-filled concrete and the precast wall panel, and improves the stability of the post-filled concrete.
优选地，在所述步骤2)之后还具有以下步骤：将钢板6通过螺栓7与所述预制墙板1的第一定位套筒固定连接，将钢板6通过螺栓7与所述叠合梁3的第二定位套筒31固定连接。Preferably, after the step 2), there is also the following steps: fixing the steel plate 6 to the first positioning sleeve of the prefabricated wall panel 1 through bolts 7, and connecting the steel plate 6 to the superimposed beam 3 through bolts 7 The second positioning sleeve 31 is fixedly connected.
装配式预制墙板与叠合梁连接做法，解决了工厂生产、运输及现场施工居多限制问题，此种连接节点受力简单，安全可靠，叠合梁底部可通过增加构造柱来拆分下部预制墙板，从而减轻单个预制构件的重量、宽度，操作简单方便，减少了施工成本，加快了施工进度。The connection method of prefabricated prefabricated wall panels and superimposed beams solves most of the limitations of factory production, transportation and on-site construction. This connection node is simple in force, safe and reliable, and the bottom of the superimposed beam can be split by adding structural columns to split the lower precast Therefore, the weight and width of a single prefabricated component are reduced, the operation is simple and convenient, the construction cost is reduced, and the construction progress is accelerated.
上面结合附图对本发明的实施例进行了描述，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是局限性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，这些均属于本发明的保护范围之内。The embodiments of the present invention are described above with reference to the accompanying drawings, and the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. The present invention is not limited to the above-mentioned specific embodiments, and the above-mentioned specific embodiments are only illustrative rather than limiting. Those of ordinary skill in the art, under the inspiration of the present invention, do not deviate from the purpose and rights of the present invention. In the case of the claimed protection scope, many forms can also be made, which all fall within the protection scope of the present invention.
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