WO2023142571A1 - Positioning mold suitable for grating arch frame machining - Google Patents
Positioning mold suitable for grating arch frame machining Download PDFInfo
- Publication number
- WO2023142571A1 WO2023142571A1 PCT/CN2022/128746 CN2022128746W WO2023142571A1 WO 2023142571 A1 WO2023142571 A1 WO 2023142571A1 CN 2022128746 W CN2022128746 W CN 2022128746W WO 2023142571 A1 WO2023142571 A1 WO 2023142571A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- positioning
- grid
- base
- arch
- grid arch
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
Definitions
- the invention belongs to the technical field of welding production of tunnel support devices, and in particular relates to a positioning mold suitable for grid arch processing.
- tunnel engineering has become the most common type of engineering in highway, railway and subway construction.
- tunnel construction in order to ensure its safety, it is often necessary to lay steel grid arches on the tunnel to increase the bearing capacity.
- the traditional tunnel grid steel frame processing technology is usually realized through simple positioning molds.
- There are many problems in the steel arch frame produced by this method It is easy to lose strength and rebound when the main reinforcement is processed into an arc shape. It is not standard, it is difficult to process, and it needs multiple people to work together to complete it.
- the error of the processed grid steel frame is relatively large, which leads to excessive installation errors, and the overall force of the tunnel is uneven.
- the grid steel frame is arched and bulky. It is relatively large, and it is not easy to lift and unload the grille steel frame after it is manufactured.
- the purpose of the present invention is to overcome the shortcomings in the above-mentioned prior art and provide a positioning mold suitable for grid arch processing.
- the present invention provides the following technical solutions:
- a positioning mold suitable for grid arch processing includes a base, a positioning seat and a positioning plate, the base is an arc-shaped seat, the base is fixed below the positioning seat, and a longitudinal An extended support plate, a plurality of positioning seats are equidistantly distributed along the length direction of the base, and a positioning station corresponding to the grid arch is provided on the inner side of the support plate for placing the grid arch, Below the positioning station, there are two lower gaps for carrying the main ribs below the grid arch, and above the positioning station, there is a supporting piece extending toward the positioning station. There is an upper notch for carrying the main reinforcement above the grid arch;
- the two positioning plates are correspondingly arranged at both ends of the base, and are slidably assembled on the base along its length direction so as to abut against the two ends of the grid arch.
- the radian of the positioning mold is set, and the arch is bent according to the design radian requirements, and the fixture plate of the steel frame channel is welded on the I-beam base. Placed on the mold and welded to form a grid arch, the structure is simple, the production efficiency is high, and the production error is small.
- the unloading mechanism is set up to facilitate unloading and reduce the difficulty of hoisting and transshipment.
- Fig. 1 is a schematic diagram of the positioning mold structure
- Figure 2 is a schematic diagram of the assembly of the main reinforcement
- Figure 3 is a schematic structural diagram of the unloading mechanism
- Figure 4 is a schematic diagram of the unloading state.
- a positioning mold suitable for grid arch processing the positioning mold includes a base 1, a positioning seat 5 and a positioning plate 2, the base 1 is an arc-shaped seat, and its radian is the same as that of the corresponding arch The radians are matched, the lower part of the positioning seat 5 is fixedly connected to the base 1, the upper part is provided with a longitudinally extending support plate 3, a plurality of positioning seats 5 are equidistantly distributed along the length direction of the base 1, and the inner side of the supporting plate 3 is provided with a corresponding grid arch
- the positioning station of the frame is specifically located on the side close to the corresponding center of the base ring.
- the specific number and spacing of the support plates 3 are distributed according to the preset spacing between the 8-shaped ribs and other accessories of the grid arch frame.
- the main ribs 11 are placed in the positioning position.
- the grille arch frame is formed by welding, and the four main ribs 11 on the grille arch frame are fixed by the positioning station, so as to be welded.
- the lower gap of the main rib 11 is provided above the positioning station with a supporting piece extending toward the positioning station, and the supporting piece is provided with an upper gap for carrying the main rib 11 above the grid arch;
- the two positioning plates 2 correspond to It is arranged at both ends of the base 1, and is slidably assembled on the base 1 along its length, so as to be in contact with the two ends of the grid arch, so as to align the four main ribs 11 on the same grid arch to ensure welding accuracy.
- the arch degree of the grid arch firstly adopt I-20 I-beam to make mold base 1; A steel plate with a width of 20 cm and a height of 50 cm is used as the support plate 3 .
- there are two lower gaps there are two lower gaps, the two lower gaps respectively correspond to the two main ribs 11 below the load-bearing grid arch, the lower gaps have a certain width, and there are two upper gaps, the two upper gaps are respectively Corresponding to the two main ribs 11 above the load-bearing grid arch, the upper gap has a certain width to adapt to the spacing of the main ribs 11 corresponding to different grid arches.
- the specific width of the upper gap and the lower gap can be 3-5 times the diameter of the main reinforcement 11, and the position and spacing of the main reinforcement 11 can be adjusted to adapt to the spacing of the main reinforcement 11 corresponding to different grid arches, so as to meet the requirements of different spacing requirements of the main reinforcement 11.
- the grid frame is adjusted; preferably, the support plate 3 extends upwards on the outside to form a positioning station, and the bracket 4 is fixed on the upwardly extending part of the support plate 3 by bolts, and the upwardly extending part of the support plate 3 is set There are a plurality of longitudinally distributed screw holes for adjusting the position of the supporting member 4, thereby adjusting the height of the grid arch to be produced longitudinally.
- a detachable lower baffle 12 is provided on the positioning station, and the lower baffle 12 limits the main ribs 11 below the grid arch to the lower gap, and the lower baffle 12 pairs the lower
- the two main ribs 11 are limited to ensure the stability of the main ribs 11 during the welding process, thereby reducing welding errors.
- the support is provided with a hinged upper baffle 7, and the upper baffle 7 rotates towards the support to move the grid above the grille.
- the main ribs 11 are limited in the upper gap, and the upper two main ribs 11 are limited by the upper baffle plate 7 to ensure the stability of the main ribs 11 during the welding process, thereby reducing welding errors.
- the side of the lower baffle plate 12 is provided with a glide groove 21 extending radially along the corresponding arc of the base 1. Slider, the two lower sliders can slide along the sliding groove 21, so as to adjust according to the different distances between the main ribs 11, the two lower sliders are screwed to the lower studs 13, and the lower studs 13 are pressed against the main ribs below 11, so that the main rib 11 can be compressed.
- the side of the upper baffle plate 7 is provided with an upper chute 20 radially extending along the corresponding circular arc of the base 1.
- the upper chute 20 is preferably a dovetail groove. Two upper sliders are slidably installed in the upper chute 20.
- the sliders can slide along the upper chute 20 to adjust according to the different distances between the main ribs 11.
- the upper studs 8 are threaded on the two upper sliders, and the upper studs 8 tighten the upper main ribs 11 downwards.
- the stud 8 can compress the main reinforcement 11 longitudinally to ensure the stability during the welding process.
- the upper slider and the lower slider protrude outwards from the upper chute 20 and the lower chute 21 respectively, so as to serve as the installation positions of the upper stud 8 or the lower stud 13 .
- the lower end of the lower stud 13 is rotatably connected with a lower limiter 14, and the lower limiter 14 is correspondingly clamped to the main rib 11 below; the lower end of the upper stud 8 is rotatably connected with an upper limiter 9, and the upper limiter 9 corresponds to the main rib 11 above the snap connection.
- the upper limiter 9 and the lower limiter 14 are both inverted V-shaped, and the top is connected in rotation, for example, a rotating shaft is arranged above the lower limiter 14, and a sleeve for rotating and connecting the rotating shaft is arranged below the lower limiter 14, and the sleeve and
- the lower stud 13 is coaxial to achieve rotational connection, and the upper limit member 9 has the same structure, which will not be described again.
- the main rib 11 can be limited, and the longitudinal force of the chute and the slider can be used to generate friction. , which defines the position of the slider in the chute.
- one end of the lower baffle 12 is fixed to the outside of the corresponding positioning station by bolts, the other end of the lower baffle 12 is hinged with a lower connecting plate, and the other end of the lower connecting plate is correspondingly connected to the
- the support plate 3 corresponds to the lower edge of the inner side of the positioning station, so as to realize the fixing of the lower baffle 12;
- one end of the upper baffle 7 is hinged to one end of the bracket 4 through a hinge shaft, and the other end of the upper baffle 7 is hinged with an upper connecting plate , the other end of the upper connecting plate is correspondingly connected to the other end of the bracket 4, so as to realize the fixing of the upper baffle 7, and after the grid arch is welded, the upper baffle 7 and the lower baffle 12 are removed to This is to unload the grid arch.
- a U-shaped groove corresponding to the positioning seat 5 is provided above the base 1, and the positioning seat 5 is slidably fitted in the U-shaped groove. It is necessary to adjust the position of the positioning seat 5.
- the base 1 can be an I-shaped steel with one side opening facing upwards, and rollers are provided under the base 1 to facilitate movement.
- the positioning plate 2 is slidably fitted in the U-shaped groove above the base 1 through the sliding seat, so that the main ribs 11 are aligned longitudinally through the positioning plate 2.
- the positioning mold also includes a plurality of unloading mechanisms, which are interlaced with a plurality of positioning seats 5, so that the grid arch can be lifted and unloaded evenly, ensuring Unloading stability.
- multiple positioning molds operate synchronously, and they can be independent of each other or correspondingly connected to the same truss for fixing. When connecting the same truss, the diameter of the corresponding arc on the inner side of the truss matches the outer arc of the base 1 .
- the unloading mechanism includes a discharge seat 6 and a support member 15.
- a lifting rod 19 is connected to the top of the discharge seat 6 through a lifting member, and rollers are provided below.
- the lifting rod 19 can be a hydraulic cylinder.
- the lower end is fixedly connected to the unloading work, and the upper end is fixedly connected to the support member 15.
- the support member 15 extends radially and horizontally along the base 1. After reaching under the grille arch, the elevating rod 19 lifts the grille arch from bottom to top, so that the up and down The distribution of square main ribs 11 breaks away from the lower gap and the upper gap, thereby facilitating unloading.
- the support member 15 is a channel steel, and the length of the support member 15 protruding inwardly from the discharge seat 6 is at least greater than the sum of the width of the support plate 3 and the width of the grid arch.
- the channel steel corresponds to one end of the outer side.
- the screw rod 16 is rotatably connected to the inside of the channel steel.
- the dial 17 is slidably assembled inside the channel steel through the dial 17.
- the dial 17 is compatible with the channel steel.
- the corresponding outer end of the screw rod 16 protrudes from the channel steel, and is connected with a stepping motor 18 correspondingly, so that the dial 17 is driven by the stepping motor 18, and the dial 17 extends upwards Out of the channel steel, the welded grid arch can be pushed out of the positioning station, so that it can be hoisted and unloaded by driving.
- the upper end of the shifting plate 17 is provided with an inwardly bent bending portion, which in turn can ensure the resistance to the grille arch.
- the welding of accessories such as the 8-shaped ribs 10 is carried out in sequence, and welding is carried out for various steel bar arches of different sizes with the same radian.
- the welding efficiency is high and the manufacturing accuracy is improved.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Sewage (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
A positioning mold suitable for grating arch frame machining, the positioning mold comprising a base, positioning seats and positioning plates. The plurality of positioning seats are distributed in the length direction of the base at equal intervals. The inner side of the supporting plates are provided with positioning stations corresponding to a grating arch frame and used for placing the grating arch frame. Two lower notches used for bearing a main rib below the grating arch frame are formed below each positioning station. A supporting piece extending to each positioning station is arranged above the positioning station. An upper notch used for bearing the main rib above the grating arch frame is formed in each supporting piece. A radian of a positioning mold is set according to an initial support design requirement of a tunnel; arch bending is performed according to the design radian requirement; a steel frame channel clamp plate is welded on the I-shaped steel base; after the mold is manufactured, the main rib and a splayed rib are placed on the mold to be welded to form the grating arch frame. The structure is simple, the production efficiency is high, and the production error is small.
Description
本发明属于隧道支护装置焊接生产技术领域,具体涉及一种适用于格栅拱架加工的定位模具。The invention belongs to the technical field of welding production of tunnel support devices, and in particular relates to a positioning mold suitable for grid arch processing.
随着我国建设的不断发展,隧道工程已成为公路、铁路以及地铁施工中最常见的工程类型。在隧道施工中,为了保证其安全性,常常需要对隧道敷设钢架格栅拱架以提高承载能力。传统的隧道格栅钢架加工工艺,通常是经过简单的定位模具进行实现,此种方式生产出的钢拱架存在的问题较多,在主筋加工成弧形的过程中容易泄劲反弹,弧度不标准,加工时困难,需多人协同作业才能完成,加工出来的格栅钢架误差较大,从而导致安装误差过大,隧道整体受力的不均匀,格栅钢架为拱形且体积较大,格栅钢架制作完成后不易进行吊装卸下。With the continuous development of my country's construction, tunnel engineering has become the most common type of engineering in highway, railway and subway construction. In tunnel construction, in order to ensure its safety, it is often necessary to lay steel grid arches on the tunnel to increase the bearing capacity. The traditional tunnel grid steel frame processing technology is usually realized through simple positioning molds. There are many problems in the steel arch frame produced by this method. It is easy to lose strength and rebound when the main reinforcement is processed into an arc shape. It is not standard, it is difficult to process, and it needs multiple people to work together to complete it. The error of the processed grid steel frame is relatively large, which leads to excessive installation errors, and the overall force of the tunnel is uneven. The grid steel frame is arched and bulky. It is relatively large, and it is not easy to lift and unload the grille steel frame after it is manufactured.
因此,需要提供一种针对上述现有技术不足的改进技术方案。Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies in the prior art.
发明内容Contents of the invention
本发明的目的是克服上述现有技术中的不足,提供一种适用于格栅拱架加工的定位模具。The purpose of the present invention is to overcome the shortcomings in the above-mentioned prior art and provide a positioning mold suitable for grid arch processing.
为了实现上述目的,本发明提供如下技术方案:In order to achieve the above object, the present invention provides the following technical solutions:
一种适用于格栅拱架加工的定位模具,所述定位模具包括底座、定位座和定位板,所述底座为弧形座体,所述定位座下方固连所述底座,上方设有纵向延伸的支撑板,多个所述定位座沿所述底座的长度方向等距分布,所述支撑板的内侧设有对应格栅拱架的定位工位,用于放置所述格栅拱架,所述定位工位下方设有两个用于承载格栅拱架下方的主筋的下缺口,在所述定位工位的上方设有伸向所述定位工位的托件,在所述托件上设有用于承载格栅 拱架上方的主筋的上缺口;A positioning mold suitable for grid arch processing, the positioning mold includes a base, a positioning seat and a positioning plate, the base is an arc-shaped seat, the base is fixed below the positioning seat, and a longitudinal An extended support plate, a plurality of positioning seats are equidistantly distributed along the length direction of the base, and a positioning station corresponding to the grid arch is provided on the inner side of the support plate for placing the grid arch, Below the positioning station, there are two lower gaps for carrying the main ribs below the grid arch, and above the positioning station, there is a supporting piece extending toward the positioning station. There is an upper notch for carrying the main reinforcement above the grid arch;
两个所述定位板对应设置在所述底座的两端,并在所述底座上沿其长度方向滑动装配,以抵触格栅拱架的两端。The two positioning plates are correspondingly arranged at both ends of the base, and are slidably assembled on the base along its length direction so as to abut against the two ends of the grid arch.
有益效果:根据隧道初期支护设计要求设置定位模具弧度,按照设计弧度要求进行弯拱,将钢架槽道卡具板按照焊接在工字钢底座上,模具制作完成后,将主筋及八字筋放置在模具上焊接形成格栅拱架,结构简单,生产效率高,生产误差小。设置卸料机构,便于进行卸料,降低吊装转运难度。Beneficial effects: according to the design requirements of the initial support of the tunnel, the radian of the positioning mold is set, and the arch is bent according to the design radian requirements, and the fixture plate of the steel frame channel is welded on the I-beam base. Placed on the mold and welded to form a grid arch, the structure is simple, the production efficiency is high, and the production error is small. The unloading mechanism is set up to facilitate unloading and reduce the difficulty of hoisting and transshipment.
图1为定位模具结构简图;Fig. 1 is a schematic diagram of the positioning mold structure;
图2为主筋装配示意图;Figure 2 is a schematic diagram of the assembly of the main reinforcement;
图3为卸料机构结构简图;Figure 3 is a schematic structural diagram of the unloading mechanism;
图4为卸料状态示意图。Figure 4 is a schematic diagram of the unloading state.
图中:1、底座;2、定位板;3、支撑板;4、托件;5、定位座;6、卸料座;7、上挡板;8、上螺柱;9、上限位件;10、8字形筋;11、主筋;12、下挡板;13、下螺柱;14、下限位件;15、支撑件;16、螺杆;17、拨板;18、步进电机;19、升降杆;20、上滑槽;21、下滑槽。In the figure: 1. Base; 2. Positioning plate; 3. Supporting plate; 4. Holder; 5. Positioning seat; 6. Unloading seat; 7. Upper baffle; 8. Upper stud; ; 10, 8-shaped ribs; 11, main ribs; 12, lower baffle plate; 13, lower studs; 14, lower limit piece; 15, support piece; 16, screw rod; , lifting rod; 20, upper chute; 21, lower chute.
下面将参考附图并结合实施例来详细说明本发明。需要说明的是,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。The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
如图1-4所示,一种适用于格栅拱架加工的定位模具,定位模具包括底座1、定位座5和定位板2,底座1为弧形座体,其弧度与对应的拱架弧度相适配,定位座5下方固连底座1,上方设有纵向延伸的支撑板3,多个定位座5沿底座1的长度方向等距分布,支撑板3的内侧设有对应格栅拱架的定位工位,具体位于靠近底座圆环对应圆心的一侧,支撑板3的具体数量和间距根据预设的格栅拱架的8字形筋等附件间距进行分布,将主筋11放置在定位工位上,通过焊接形成格栅拱架,利用定位工位对格栅拱架上的四个主筋11进行固定,从而进行焊接,定位工位下方设有两个用于承载格栅拱架下方的主筋11的下缺口,在定位工位的上方设有伸向定位工位的托件,在托件上设 有用于承载格栅拱架上方的主筋11的上缺口;两个定位板2对应设置在底座1的两端,并在底座1上沿其长度方向滑动装配,以抵触格栅拱架的两端,从而将同一格栅拱架上的四个主筋11对齐,保证焊接精度,在本实施例中,按照格栅拱架的拱度,首先采用工20工字钢制作出模具底座1;根据格栅拱架的尺寸,制作出钢筋槽道卡具板,具体其次采用1cm厚、20cm宽、50cm高的钢板作为支撑板3。As shown in Figure 1-4, a positioning mold suitable for grid arch processing, the positioning mold includes a base 1, a positioning seat 5 and a positioning plate 2, the base 1 is an arc-shaped seat, and its radian is the same as that of the corresponding arch The radians are matched, the lower part of the positioning seat 5 is fixedly connected to the base 1, the upper part is provided with a longitudinally extending support plate 3, a plurality of positioning seats 5 are equidistantly distributed along the length direction of the base 1, and the inner side of the supporting plate 3 is provided with a corresponding grid arch The positioning station of the frame is specifically located on the side close to the corresponding center of the base ring. The specific number and spacing of the support plates 3 are distributed according to the preset spacing between the 8-shaped ribs and other accessories of the grid arch frame. The main ribs 11 are placed in the positioning position. At the station, the grille arch frame is formed by welding, and the four main ribs 11 on the grille arch frame are fixed by the positioning station, so as to be welded. There are two bars under the positioning station for carrying the lower part of the grille arch frame. The lower gap of the main rib 11 is provided above the positioning station with a supporting piece extending toward the positioning station, and the supporting piece is provided with an upper gap for carrying the main rib 11 above the grid arch; the two positioning plates 2 correspond to It is arranged at both ends of the base 1, and is slidably assembled on the base 1 along its length, so as to be in contact with the two ends of the grid arch, so as to align the four main ribs 11 on the same grid arch to ensure welding accuracy. In this embodiment, according to the arch degree of the grid arch, firstly adopt I-20 I-beam to make mold base 1; A steel plate with a width of 20 cm and a height of 50 cm is used as the support plate 3 .
在另一可选实施例中,下缺口有两个,两个下缺口分别对应承载格栅拱架下方的两个主筋11,下缺口具有一定宽度,上缺口有两个,两个上缺口分别对应承载格栅拱架上方的两个主筋11,上缺口具有一定宽度,以适应不同格栅拱架对应的主筋11间距。上缺口和下缺口具体宽度可以为主筋11直径的3-5倍,能够对主筋11位置及间距进行调整,以适应不同格栅拱架对应的主筋11间距,从而对不同主筋11间距需求的格栅拱架进行调整;优选地,支撑板3在外侧向上延伸,以此形成定位工位,托件4通过螺栓固定在支撑板3外侧向上延伸的部分,该支撑板3外侧向上延伸的部分设有多个纵向分布的螺孔,用于对托件4位置进行调整,从而在纵向上调整待生产格栅拱架的高度。In another optional embodiment, there are two lower gaps, the two lower gaps respectively correspond to the two main ribs 11 below the load-bearing grid arch, the lower gaps have a certain width, and there are two upper gaps, the two upper gaps are respectively Corresponding to the two main ribs 11 above the load-bearing grid arch, the upper gap has a certain width to adapt to the spacing of the main ribs 11 corresponding to different grid arches. The specific width of the upper gap and the lower gap can be 3-5 times the diameter of the main reinforcement 11, and the position and spacing of the main reinforcement 11 can be adjusted to adapt to the spacing of the main reinforcement 11 corresponding to different grid arches, so as to meet the requirements of different spacing requirements of the main reinforcement 11. The grid frame is adjusted; preferably, the support plate 3 extends upwards on the outside to form a positioning station, and the bracket 4 is fixed on the upwardly extending part of the support plate 3 by bolts, and the upwardly extending part of the support plate 3 is set There are a plurality of longitudinally distributed screw holes for adjusting the position of the supporting member 4, thereby adjusting the height of the grid arch to be produced longitudinally.
在另一可选实施例中,定位工位上设有可拆卸的下挡板12,下挡板12将格栅拱架下方的主筋11限位于下缺口内,通过下挡板12对下方的两个主筋11进行限位,保证焊接过程中主筋11的稳定性,从而降低焊接误差,托件上设有铰接的上挡板7,上挡板7向托件转动,将格栅拱架上方的主筋11限位于上缺口内,通过上挡板7对上方的两个主筋11进行限位,保证焊接过程中主筋11的稳定性,从而降低焊接误差。In another optional embodiment, a detachable lower baffle 12 is provided on the positioning station, and the lower baffle 12 limits the main ribs 11 below the grid arch to the lower gap, and the lower baffle 12 pairs the lower The two main ribs 11 are limited to ensure the stability of the main ribs 11 during the welding process, thereby reducing welding errors. The support is provided with a hinged upper baffle 7, and the upper baffle 7 rotates towards the support to move the grid above the grille. The main ribs 11 are limited in the upper gap, and the upper two main ribs 11 are limited by the upper baffle plate 7 to ensure the stability of the main ribs 11 during the welding process, thereby reducing welding errors.
在另一可选实施例中,下挡板12侧部设有沿底座1对应圆弧径向延伸的下滑槽21,该下滑槽21优选为燕尾槽,下滑槽21内滑动装配有两个下滑块,两个下滑块可以沿下滑槽21进行滑动,从而根据不同间距主筋11进行调整,两个下滑块上均螺纹连接下螺柱13,下螺柱13向下顶紧下方的主筋11,以此能够压紧主筋11。上挡板7侧部设有沿底座1对应圆弧径向延伸的上滑槽20,该上滑槽20优选为燕尾槽,上滑槽20内滑动装配有两个上滑块,两个上滑块可以沿上滑槽20进行滑动,从而根据不同间距主筋11进行调整,两个上滑块上均螺纹连接上螺柱8,上螺柱8向下顶紧上方的主筋11,旋动上 螺柱8,即可在纵向上将主筋11压紧,保证焊接过程中的稳定性。上滑块、下滑块分别向外伸出上滑槽20、下滑槽21,从而作为上螺柱8或下螺柱13的安装位置。In another optional embodiment, the side of the lower baffle plate 12 is provided with a glide groove 21 extending radially along the corresponding arc of the base 1. Slider, the two lower sliders can slide along the sliding groove 21, so as to adjust according to the different distances between the main ribs 11, the two lower sliders are screwed to the lower studs 13, and the lower studs 13 are pressed against the main ribs below 11, so that the main rib 11 can be compressed. The side of the upper baffle plate 7 is provided with an upper chute 20 radially extending along the corresponding circular arc of the base 1. The upper chute 20 is preferably a dovetail groove. Two upper sliders are slidably installed in the upper chute 20. The sliders can slide along the upper chute 20 to adjust according to the different distances between the main ribs 11. The upper studs 8 are threaded on the two upper sliders, and the upper studs 8 tighten the upper main ribs 11 downwards. The stud 8 can compress the main reinforcement 11 longitudinally to ensure the stability during the welding process. The upper slider and the lower slider protrude outwards from the upper chute 20 and the lower chute 21 respectively, so as to serve as the installation positions of the upper stud 8 or the lower stud 13 .
在另一可选实施例中,下螺柱13下端转动连接有下限位件14,下限位件14对应卡接下方的主筋11;上螺柱8下端转动连接有上限位件9,上限位件9对应卡接上方的主筋11。其中上限位件9和下限位件14均为倒V形,上方进行转动连接,例如在下限位件14上方设置转轴,在下限位件14下方设置用于转动连接转轴的套管,套管与下螺柱13同轴,以此实现转动连接,上限位件9同结构,再次不在赘述,随着螺柱旋紧能够将主筋11进行限位,并利用滑槽与滑块纵向作用力产生摩擦,限定滑块在滑槽内的位置。In another optional embodiment, the lower end of the lower stud 13 is rotatably connected with a lower limiter 14, and the lower limiter 14 is correspondingly clamped to the main rib 11 below; the lower end of the upper stud 8 is rotatably connected with an upper limiter 9, and the upper limiter 9 corresponds to the main rib 11 above the snap connection. Wherein the upper limiter 9 and the lower limiter 14 are both inverted V-shaped, and the top is connected in rotation, for example, a rotating shaft is arranged above the lower limiter 14, and a sleeve for rotating and connecting the rotating shaft is arranged below the lower limiter 14, and the sleeve and The lower stud 13 is coaxial to achieve rotational connection, and the upper limit member 9 has the same structure, which will not be described again. As the stud is tightened, the main rib 11 can be limited, and the longitudinal force of the chute and the slider can be used to generate friction. , which defines the position of the slider in the chute.
在另一可选实施例中,下挡板12的一端通过螺栓固定支撑板3对应定位工位的外侧,下挡板12的另一端铰接有下连接板,下连接板的另一端对应连接在支撑板3对应定位工位内侧的下沿,以此实现下挡板12的固定;上挡板7的一端通过铰轴铰接托件4的一端,上挡板7的另一端铰接有上连接板,上连接板的另一端对应连接在托件4的另一端,以此实现上挡板7的固定,且在格栅拱架焊接完成后,将上挡板7和下挡板12拆除,以此进行格栅拱架卸料。In another optional embodiment, one end of the lower baffle 12 is fixed to the outside of the corresponding positioning station by bolts, the other end of the lower baffle 12 is hinged with a lower connecting plate, and the other end of the lower connecting plate is correspondingly connected to the The support plate 3 corresponds to the lower edge of the inner side of the positioning station, so as to realize the fixing of the lower baffle 12; one end of the upper baffle 7 is hinged to one end of the bracket 4 through a hinge shaft, and the other end of the upper baffle 7 is hinged with an upper connecting plate , the other end of the upper connecting plate is correspondingly connected to the other end of the bracket 4, so as to realize the fixing of the upper baffle 7, and after the grid arch is welded, the upper baffle 7 and the lower baffle 12 are removed to This is to unload the grid arch.
在另一可选实施例中,底座1上方设有对应定位座5的U形槽,定位座5滑动装配在U形槽内,定位座5与支撑板3之间设置三角形肋板,可以根据需要进行定位座5位置调整,具体的,底座1可以为一侧开口朝上的工字型钢,在底座1下方设有滚轮,便于进行移动。定位板2通过滑座滑动装配在底座1上方的U形槽内,从而通过定位板2对主筋11在纵向上进行对齐,底座1外侧设有螺柱,能够穿过U形槽外壁后伸入,从而对定位座5或者定位板2的滑座进行固定。In another optional embodiment, a U-shaped groove corresponding to the positioning seat 5 is provided above the base 1, and the positioning seat 5 is slidably fitted in the U-shaped groove. It is necessary to adjust the position of the positioning seat 5. Specifically, the base 1 can be an I-shaped steel with one side opening facing upwards, and rollers are provided under the base 1 to facilitate movement. The positioning plate 2 is slidably fitted in the U-shaped groove above the base 1 through the sliding seat, so that the main ribs 11 are aligned longitudinally through the positioning plate 2. There are studs on the outside of the base 1, which can pass through the outer wall of the U-shaped groove and then extend into the , so that the positioning seat 5 or the sliding seat of the positioning plate 2 is fixed.
在另一可选实施例中,定位模具还包括多个卸料机构,多个卸料机构与多个定位座5交错分布,以此能够均匀的对格栅拱架进行托举卸料,保证卸料的稳定性。在本实施例中,多个定位模具同步进行运作,彼此之间可以相互独立或者对应连接在同一桁架上进行固定,在连接同一桁架时,桁架内侧对应圆弧直径与底座1外侧圆弧相匹配。In another optional embodiment, the positioning mold also includes a plurality of unloading mechanisms, which are interlaced with a plurality of positioning seats 5, so that the grid arch can be lifted and unloaded evenly, ensuring Unloading stability. In this embodiment, multiple positioning molds operate synchronously, and they can be independent of each other or correspondingly connected to the same truss for fixing. When connecting the same truss, the diameter of the corresponding arc on the inner side of the truss matches the outer arc of the base 1 .
在另一可选实施例中,卸料机构包括卸料座6和支撑件15,卸料座6上 方通过升降件连接有升降杆19,下方设有滚轮,升降杆19可以为液压缸,其下端固定连接卸料做,上端固定连接支撑件15,支撑件15沿底座1径向水平延伸,在伸入格栅拱架下方后,升降杆19自下向上托举格栅拱架,使上下方的主筋11分布脱离下缺口和上缺口,从而便于进行卸料。In another optional embodiment, the unloading mechanism includes a discharge seat 6 and a support member 15. A lifting rod 19 is connected to the top of the discharge seat 6 through a lifting member, and rollers are provided below. The lifting rod 19 can be a hydraulic cylinder. The lower end is fixedly connected to the unloading work, and the upper end is fixedly connected to the support member 15. The support member 15 extends radially and horizontally along the base 1. After reaching under the grille arch, the elevating rod 19 lifts the grille arch from bottom to top, so that the up and down The distribution of square main ribs 11 breaks away from the lower gap and the upper gap, thereby facilitating unloading.
在一可选实施例中,支撑件15为槽钢,支撑件15向内伸出卸料座6的长度至少大于支撑板3宽度和格栅拱架宽度之和,拨板17常规状态下位于槽钢对应外侧的一端,在槽钢内部设有螺杆16,螺杆16转动连接在槽钢内部,拨板17通过拨板17座滑动装配在槽钢内部,拨板17座与槽钢相适配,以随螺杆16驱动在槽钢内滑动,螺杆16对应外侧的一端伸出槽钢,并对应连接有步进电机18,从而通过步进电机18对拨板17进行驱动,拨板17向上伸出槽钢,能够将焊接好的格栅拱架推出定位工位,从而便于通过行车进行吊装卸下。在本实施中,拨板17上端设有向内侧弯曲的折弯部,依次能够保证对格栅拱架的抵拨,本申请提供一种新的格栅拱架焊机模具,将格栅拱架四个主筋11进行固定后,然后依次进行8字形筋10等附件的焊接,针对同一弧度的不同尺寸的多种钢筋拱架进行焊接,焊接效率高,提高了制作精度。In an optional embodiment, the support member 15 is a channel steel, and the length of the support member 15 protruding inwardly from the discharge seat 6 is at least greater than the sum of the width of the support plate 3 and the width of the grid arch. The channel steel corresponds to one end of the outer side. There is a screw rod 16 inside the channel steel. The screw rod 16 is rotatably connected to the inside of the channel steel. The dial 17 is slidably assembled inside the channel steel through the dial 17. The dial 17 is compatible with the channel steel. , to slide in the channel steel driven by the screw rod 16, the corresponding outer end of the screw rod 16 protrudes from the channel steel, and is connected with a stepping motor 18 correspondingly, so that the dial 17 is driven by the stepping motor 18, and the dial 17 extends upwards Out of the channel steel, the welded grid arch can be pushed out of the positioning station, so that it can be hoisted and unloaded by driving. In this implementation, the upper end of the shifting plate 17 is provided with an inwardly bent bending portion, which in turn can ensure the resistance to the grille arch. This application provides a new mold for the grille arch welding machine. After the four main ribs 11 of the frame are fixed, the welding of accessories such as the 8-shaped ribs 10 is carried out in sequence, and welding is carried out for various steel bar arches of different sizes with the same radian. The welding efficiency is high and the manufacturing accuracy is improved.
Claims (10)
- 一种适用于格栅拱架加工的定位模具,其特征在于,所述定位模具包括底座、定位座和定位板,所述底座为弧形座体,所述定位座下方固连所述底座,上方设有纵向延伸的支撑板,多个所述定位座沿所述底座的长度方向等距分布,所述支撑板的内侧设有对应格栅拱架的定位工位,用于放置所述格栅拱架,所述定位工位下方设有两个用于承载格栅拱架下方的主筋的下缺口,在所述定位工位的上方设有伸向所述定位工位的托件,在所述托件上设有用于承载格栅拱架上方的主筋的上缺口;A positioning mold suitable for grid arch processing, characterized in that the positioning mold includes a base, a positioning seat and a positioning plate, the base is an arc-shaped seat body, and the base is fixed under the positioning seat, A longitudinally extending support plate is provided above, and a plurality of positioning seats are equidistantly distributed along the length direction of the base. The inner side of the support plate is provided with a positioning station corresponding to the grid arch, which is used to place the grid. Grid arch frame, two lower gaps for carrying the main ribs below the grid arch frame are provided under the positioning station, and a bracket extending toward the positioning station is provided above the positioning station. The bracket is provided with an upper gap for carrying the main reinforcement above the grid arch;两个所述定位板对应设置在所述底座的两端,并在所述底座上沿其长度方向滑动装配,以抵触格栅拱架的两端。The two positioning plates are correspondingly arranged at both ends of the base, and are slidably assembled on the base along its length direction so as to abut against the two ends of the grid arch.
- 根据权利要求1所述的适用于格栅拱架加工的定位模具,其特征在于,所述下缺口有两个,两个所述下缺口分别对应承载格栅拱架下方的两个主筋,所述下缺口具有一定宽度,以适应不同格栅拱架对应的主筋间距;According to the positioning mold suitable for grid arch processing according to claim 1, it is characterized in that there are two lower gaps, and the two lower gaps respectively correspond to the two main ribs below the bearing grid arch, so The gap below has a certain width to adapt to the main reinforcement spacing corresponding to different grid arches;所述上缺口有两个,两个所述上缺口分别对应承载格栅拱架上方的两个主筋,所述上缺口具有一定宽度,以适应不同格栅拱架对应的主筋间距。There are two upper gaps, and the two upper gaps respectively correspond to the two main ribs above the load-bearing grid arch. The upper gap has a certain width to adapt to the spacing of the main ribs corresponding to different grid arches.
- 根据权利要求2所述的适用于格栅拱架加工的定位模具,其特征在于,所述定位工位上设有可拆卸的下挡板,所述下挡板将格栅拱架下方的主筋限位于下缺口内;The positioning mold suitable for grid arch processing according to claim 2, wherein the positioning station is provided with a detachable lower baffle, and the lower baffle guides the main ribs under the grid arch limited within the lower gap;所述托件上设有铰接的上挡板,所述上挡板向所述托件转动,将格栅拱架上方的主筋限位于上缺口内。A hinged upper baffle is provided on the support, and the upper baffle rotates toward the support to limit the main ribs above the grid arch to the upper gap.
- 根据权利要求3所述的适用于格栅拱架加工的定位模具,其特征在于,所述下挡板侧部设有沿底座对应圆弧径向延伸的下滑槽,所述下滑槽内滑动装配有两个下滑块,两个所述下滑块上均设有下螺柱,所述下螺柱向下顶紧下方的主筋;The positioning mold suitable for grille arch processing according to claim 3 is characterized in that, the side of the lower baffle is provided with a sliding groove extending radially along the corresponding arc of the base, and the sliding assembly inside the sliding groove is There are two lower sliders, and lower studs are arranged on the two lower sliders, and the lower studs press down to tighten the main ribs below;所述上挡板侧部设有沿底座对应圆弧径向延伸的上滑槽,所述上滑槽内滑动装配有两个上滑块,两个所述上滑块上均设有上螺柱,所述上螺柱向下顶紧上方的主筋。The side of the upper baffle is provided with an upper chute extending radially along the corresponding arc of the base, and two upper sliders are slidably installed in the upper chute, and upper screws are provided on the two upper sliders. column, and the upper stud tightens the upper main reinforcement downwards.
- 根据权利要求4所述的适用于格栅拱架加工的定位模具,其特征在于,所述下螺柱下端转动连接有下限位件,所述下限位件对应卡接下方的主筋;The positioning mold suitable for grid arch processing according to claim 4, characterized in that, the lower end of the lower stud is rotatably connected with a lower limiter, and the lower limiter is correspondingly clamped to the main rib below;所述上螺柱下端转动连接有上限位件,所述上限位件对应卡接上方的主筋。The lower end of the upper stud is rotatably connected with an upper limiter, and the upper limiter is correspondingly clamped to the upper main rib.
- 根据权利要求3所述的适用于格栅拱架加工的定位模具,其特征在于,所述下挡板的一端通过螺栓固定所述支撑板对应定位工位的外侧,所述下挡板的另一端铰接有下连接板,所述下连接板的另一端对应连接在所述支撑板对应定位工位内侧的下沿;The positioning mold suitable for grid arch processing according to claim 3, wherein one end of the lower baffle plate is fixed to the outside of the support plate corresponding to the positioning station by bolts, and the other end of the lower baffle plate is One end is hinged with a lower connecting plate, and the other end of the lower connecting plate is correspondingly connected to the lower edge of the inner side of the corresponding positioning station of the supporting plate;所述上挡板的一端通过铰轴铰接所述托件的一端,所述上挡板的另一端铰接有上连接板,所述上连接板的另一端对应连接在所述托件的另一端。One end of the upper baffle is hinged to one end of the bracket through a hinge, the other end of the upper baffle is hinged to an upper connecting plate, and the other end of the upper connecting plate is correspondingly connected to the other end of the bracket .
- 根据权利要求1所述的适用于格栅拱架加工的定位模具,其特征在于,所述底座上方设有对应所述定位座的U形槽,所述定位座滑动装配在所述U形槽内。The positioning mold suitable for grid arch processing according to claim 1, wherein a U-shaped groove corresponding to the positioning seat is arranged above the base, and the positioning seat is slidably fitted in the U-shaped groove Inside.
- 根据权利要求1所述的适用于格栅拱架加工的定位模具,其特征在于,所述底座下方设有滚轮。The positioning mold suitable for grid arch processing according to claim 1, wherein rollers are arranged under the base.
- 根据权利要求1所述的适用于格栅拱架加工的定位模具,其特征在于,所述定位模具还包括多个卸料机构,多个所述卸料机构与多个所述定位座交错分布。The positioning mold suitable for grid arch processing according to claim 1, wherein the positioning mold further includes a plurality of unloading mechanisms, and a plurality of unloading mechanisms and a plurality of positioning seats are alternately distributed .
- 根据权利要求9所述的适用于格栅拱架加工的定位模具,其特征在于,所述卸料机构包括卸料座和支撑件,所述卸料座上方通过升降件连接有升降杆,所述升降杆自下向上托举格栅拱架,使上下方的主筋分布脱离下缺口和上缺口。The positioning mold suitable for grid arch processing according to claim 9, wherein the unloading mechanism includes a unloading seat and a support member, and a lifting rod is connected above the unloading seat through a lifting piece, so that The lifting rod lifts the grid arch from bottom to top, so that the upper and lower main ribs are distributed away from the lower gap and the upper gap.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211318530.1 | 2022-10-26 | ||
CN202211318530.1A CN115781151B (en) | 2022-10-26 | 2022-10-26 | Positioning die suitable for grid bow member processing |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023142571A1 true WO2023142571A1 (en) | 2023-08-03 |
Family
ID=85433835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2022/128746 WO2023142571A1 (en) | 2022-10-26 | 2022-10-31 | Positioning mold suitable for grating arch frame machining |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN115781151B (en) |
LU (1) | LU506087B1 (en) |
WO (1) | WO2023142571A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110640468A (en) * | 2019-10-31 | 2020-01-03 | 中国铁建重工集团股份有限公司 | Block type steel pipe circular line type processing device and processing method thereof |
CN117283183A (en) * | 2023-11-24 | 2023-12-26 | 烟台大兴钢结构有限公司 | Automatic welding machine for steel grating plate |
CN117359171A (en) * | 2023-12-07 | 2024-01-09 | 广东华途仕建材实业有限公司 | Metal plate main keel welding equipment and welding method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117300414B (en) * | 2023-09-08 | 2024-04-16 | 文山麻栗坡紫金钨业集团有限公司 | Automatic welding device for grouped arches for tunnel roof fall |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002138578A (en) * | 2000-11-06 | 2002-05-14 | Yoshiyuki Shiragaki | Method for bar arrangement of main reinforcement and hoop on steel frame bar |
CN206732025U (en) * | 2017-03-23 | 2017-12-12 | 中建五局土木工程有限公司 | Grid steel frame processing unit (plant) |
CN207606458U (en) * | 2017-12-27 | 2018-07-13 | 中铁十二局集团有限公司 | A kind of tunnel grillage positioning mould for processing |
CN208262191U (en) * | 2018-06-11 | 2018-12-21 | 中铁十二局集团第三工程有限公司 | A kind of more specification grid steel frame processing unit (plant)s in tunnel |
CN210148025U (en) * | 2019-05-05 | 2020-03-17 | 中交一公局第二工程有限公司 | Clamping fixture device capable of positioning hooping of tunnel grating arch frame |
CN211161688U (en) * | 2019-10-17 | 2020-08-04 | 中交二公局东萌工程有限公司 | Grille arch frame mold |
CN113953749A (en) * | 2021-11-15 | 2022-01-21 | 中建丝路建设投资有限公司 | Turnover grid steel frame machining die and grid steel frame machining method |
CN215902978U (en) * | 2021-04-30 | 2022-02-25 | 中铁十五局集团有限公司 | Positioning jig frame for welding processing of arched grid steel frame |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4522330A (en) * | 1982-09-01 | 1985-06-11 | Westinghouse Electric Corp. | Grid and sleeves welding fixture and method |
CN110242333A (en) * | 2019-07-08 | 2019-09-17 | 云南省建设投资控股集团有限公司 | A kind of tunnel grillage moulding bed and its processing method |
CN212425343U (en) * | 2020-05-21 | 2021-01-29 | 上海鑫虹物流有限公司 | Fork truck convenient to unload |
CN112605459A (en) * | 2020-12-15 | 2021-04-06 | 商井芳 | Cut stable multi-angle pipe cutting machine |
-
2022
- 2022-10-26 CN CN202211318530.1A patent/CN115781151B/en active Active
- 2022-10-31 WO PCT/CN2022/128746 patent/WO2023142571A1/en unknown
- 2022-10-31 LU LU506087A patent/LU506087B1/en active IP Right Grant
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002138578A (en) * | 2000-11-06 | 2002-05-14 | Yoshiyuki Shiragaki | Method for bar arrangement of main reinforcement and hoop on steel frame bar |
CN206732025U (en) * | 2017-03-23 | 2017-12-12 | 中建五局土木工程有限公司 | Grid steel frame processing unit (plant) |
CN207606458U (en) * | 2017-12-27 | 2018-07-13 | 中铁十二局集团有限公司 | A kind of tunnel grillage positioning mould for processing |
CN208262191U (en) * | 2018-06-11 | 2018-12-21 | 中铁十二局集团第三工程有限公司 | A kind of more specification grid steel frame processing unit (plant)s in tunnel |
CN210148025U (en) * | 2019-05-05 | 2020-03-17 | 中交一公局第二工程有限公司 | Clamping fixture device capable of positioning hooping of tunnel grating arch frame |
CN211161688U (en) * | 2019-10-17 | 2020-08-04 | 中交二公局东萌工程有限公司 | Grille arch frame mold |
CN215902978U (en) * | 2021-04-30 | 2022-02-25 | 中铁十五局集团有限公司 | Positioning jig frame for welding processing of arched grid steel frame |
CN113953749A (en) * | 2021-11-15 | 2022-01-21 | 中建丝路建设投资有限公司 | Turnover grid steel frame machining die and grid steel frame machining method |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110640468A (en) * | 2019-10-31 | 2020-01-03 | 中国铁建重工集团股份有限公司 | Block type steel pipe circular line type processing device and processing method thereof |
CN117283183A (en) * | 2023-11-24 | 2023-12-26 | 烟台大兴钢结构有限公司 | Automatic welding machine for steel grating plate |
CN117283183B (en) * | 2023-11-24 | 2024-02-23 | 烟台大兴钢结构有限公司 | Automatic welding machine for steel grating plate |
CN117359171A (en) * | 2023-12-07 | 2024-01-09 | 广东华途仕建材实业有限公司 | Metal plate main keel welding equipment and welding method |
CN117359171B (en) * | 2023-12-07 | 2024-03-19 | 广东华途仕建材实业有限公司 | Metal plate main keel welding equipment and welding method |
Also Published As
Publication number | Publication date |
---|---|
LU506087A1 (en) | 2024-04-26 |
CN115781151B (en) | 2023-07-25 |
LU506087B1 (en) | 2024-05-14 |
CN115781151A (en) | 2023-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2023142571A1 (en) | Positioning mold suitable for grating arch frame machining | |
CN105946104B (en) | A kind of die station tipper | |
CN103551424B (en) | Two bulb plate lateral bending straightening mechanism | |
CN216730820U (en) | Movable turnover mechanism for H-shaped steel | |
CN114147646A (en) | High-applicability fixing mechanism applicable to steel plate production and processing rotation | |
CN209829953U (en) | Synchronous indent equipment in steel-plastic composite pipe both ends | |
CN205703102U (en) | Pipe fitting welding stationary fixture | |
CN113102582A (en) | Manufacturing process of color sand corrugated steel plate | |
CN220837570U (en) | Mould moving arm for punching machine upper mould | |
CN202963133U (en) | Special mold used for coiling steel angle with veneer coiling machine | |
CN220278759U (en) | Welding platform easy to adjust | |
CN218057928U (en) | Hot-galvanize steel wire continuous line worker's character wheel two-way exchange take-up | |
CN211517129U (en) | Feeding clamping mechanism for roller processing | |
CN218255004U (en) | Steel construction processing supports base | |
CN221442103U (en) | Positioning and locking device | |
CN214160979U (en) | Pipe bending machine with adjustable installation size | |
CN202263804U (en) | Electrolytic cell housing end plate structure processing device | |
CN221420417U (en) | Lifting lug structure for ship sectional folding | |
CN207533819U (en) | A kind of towed Quick die replacing device | |
CN220271017U (en) | Stretching degree detection device | |
CN210997306U (en) | Robot clamp mechanism for welding production line | |
CN221048144U (en) | Bearing ring polishing device for bearing production and processing | |
CN218050014U (en) | Flange forming machine | |
CN220468152U (en) | Hanger for placing irregular workpieces | |
CN220097448U (en) | Double-layer structure of small ring rail large synchronous wheel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22923369 Country of ref document: EP Kind code of ref document: A1 |