CN220446733U - A kind of sediment consolidation cubic forming device - Google Patents

A kind of sediment consolidation cubic forming device Download PDF

Info

Publication number
CN220446733U
CN220446733U CN202322278908.6U CN202322278908U CN220446733U CN 220446733 U CN220446733 U CN 220446733U CN 202322278908 U CN202322278908 U CN 202322278908U CN 220446733 U CN220446733 U CN 220446733U
Authority
CN
China
Prior art keywords
frame
thin
sediment
telescopic cylinder
walled box
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202322278908.6U
Other languages
Chinese (zh)
Inventor
徐贺超
梅峥
关喜才
关莉莉
杨春景
贾红军
裴蕾
徐荣培
高鑫灿
侯宇博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yellow River Conservancy Technical Institute
Original Assignee
Yellow River Conservancy Technical Institute
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 Yellow River Conservancy Technical Institute filed Critical Yellow River Conservancy Technical Institute
Priority to CN202322278908.6U priority Critical patent/CN220446733U/en
Application granted granted Critical
Publication of CN220446733U publication Critical patent/CN220446733U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sewage (AREA)

Abstract

一种泥沙固结立方成型装置,包含操作台和伸缩缸,还包含薄壁盒体和加强装置;操作台台面放置有顶部敞口的薄壁盒体,薄壁盒体外套设有加强装置;加强装置包含顶部及底部均敞口的框型架,框型架内相邻两侧均设有能够抵触薄壁盒体相应侧壁的活动板,活动板转动连接有贯穿框型架相应侧壁的丝杆,且丝杆与框型架螺纹连接;操作台台面对应加强装置外侧紧固连接有龙门架,龙门架顶部设有向下伸缩的伸缩缸,伸缩缸底部设有用于挤压薄壁盒体内泥沙的挤压板;本实用新型无需操作人员手动捣实,提高作业效率,降低操作人员的劳动强度。

A sediment consolidation cubic forming device includes an operating platform and a telescopic cylinder, and also includes a thin-walled box and a reinforcing device; a thin-walled box with an open top is placed on the operating platform, and the outer cover of the thin-walled box is provided with a reinforcing device. ; The reinforcing device includes a frame with open tops and bottoms. Adjacent sides of the frame are provided with movable plates that can resist the corresponding side walls of the thin-walled box. The movable plates are rotatably connected to the corresponding sides of the frame. The screw rod of the wall is screwed, and the screw rod is threadedly connected to the frame frame; a gantry is fastened to the outside of the corresponding reinforcement device on the operating table. The top of the gantry is equipped with a telescopic cylinder that telescopes downwards, and the bottom of the telescopic cylinder is equipped with a gantry for extruding thin films. The utility model is a squeezing plate for sediment in the wall box body; this utility model does not require manual tamping by the operator, improves operating efficiency, and reduces the labor intensity of the operator.

Description

一种泥沙固结立方成型装置A kind of sediment consolidation cubic forming device

技术领域Technical field

本实用新型涉及泥沙固结技术领域,尤其是涉及一种泥沙固结立方成型装置。The utility model relates to the technical field of sediment consolidation, and in particular to a cubic forming device for sediment consolidation.

背景技术Background technique

通过泥沙固结剂将河道泥沙固结成型是近年来河道泥沙资源利用的重点研究方向;对新研发的泥沙固结剂配方需要进行实验论证,论证方法是将含有固化剂的泥沙通过挤压成型固结成立方体,然后进行结构强度及其他参数的采集;将泥沙固结成立方体需要将泥沙装入模具中然后手动捣实再通过压力机挤压,其中捣实步骤较为关键,直接关乎成型质量,但手动捣实耗时耗力,作业效率低下,上述缺陷是本领域技术人员亟待解决的问题;The consolidation and shaping of river sediment through sediment consolidating agents has been a key research direction in the utilization of river sediment resources in recent years; the newly developed sediment consolidating agent formula needs to be experimentally demonstrated. The demonstration method is to combine mud containing curing agents with The sand is consolidated into a cube through extrusion molding, and then the structural strength and other parameters are collected; consolidating the sand into a cube requires loading the sand into a mold and then manually tamping it and then extruding it through a press. The tamping step It is more critical and directly related to the quality of molding. However, manual tamping is time-consuming and labor-intensive, and the operating efficiency is low. The above-mentioned defects are urgent problems that need to be solved by those skilled in the art;

中国专利(公告号:CN116141466A)公开了一种粘土砖生产用挤压成型装置,该专利包含外壳组件,所述外壳组件上固定安装有储料组件和传动组件,外壳组件包括挤压板和围板,挤压板固定连接在液压缸上,启动液压缸后,通过传动组件和移动组件控制围板下降,通过挤压板推动储料板,使得储料板上的物料进入围板内,最后通过挤压板挤压成型,该专利无需捣实操作,但其结构复杂,使用成本高。Chinese patent (Announcement No.: CN116141466A) discloses an extrusion molding device for the production of clay bricks. The patent includes a shell assembly on which a material storage assembly and a transmission assembly are fixedly mounted. The shell assembly includes an extrusion plate and a surround. The extrusion plate is fixedly connected to the hydraulic cylinder. After starting the hydraulic cylinder, the transmission assembly and the moving assembly are used to control the descent of the hoarding. The extrusion plate pushes the storage plate so that the materials on the storage plate enter the hoarding. Finally, By extruding the extruded plate, this patent does not require tamping operations, but its structure is complex and the use cost is high.

实用新型内容Utility model content

为了克服背景技术中的不足,本实用新型公开了一种泥沙固结立方成型装置。In order to overcome the deficiencies in the background technology, the utility model discloses a sediment consolidation cubic forming device.

为实现上述发明目的,本实用新型采用如下技术方案:In order to achieve the above-mentioned object of the invention, the present utility model adopts the following technical solutions:

一种泥沙固结立方成型装置,包含操作台和伸缩缸,还包含薄壁盒体和加强装置;操作台台面放置有顶部敞口的薄壁盒体,薄壁盒体外套设有加强装置;加强装置包含顶部及底部均敞口的框型架,框型架内相邻两侧均设有能够抵触薄壁盒体相应侧壁的活动板,活动板转动连接有贯穿框型架相应侧壁的丝杆,且丝杆与框型架螺纹连接;操作台台面对应加强装置外侧紧固连接有龙门架,龙门架顶部设有向下伸缩的伸缩缸,伸缩缸底部设有用于挤压薄壁盒体内泥沙的挤压板。A sediment consolidation cubic forming device includes an operating platform and a telescopic cylinder, and also includes a thin-walled box and a reinforcing device; a thin-walled box with an open top is placed on the operating platform, and the outer cover of the thin-walled box is provided with a reinforcing device. ; The reinforcing device includes a frame with open tops and bottoms. Adjacent sides of the frame are provided with movable plates that can resist the corresponding side walls of the thin-walled box. The movable plates are rotatably connected to the corresponding sides of the frame. The screw rod of the wall is screwed, and the screw rod is threadedly connected to the frame frame; a gantry is fastened to the outside of the corresponding reinforcement device on the operating table. The top of the gantry is equipped with a telescopic cylinder that telescopes downwards, and the bottom of the telescopic cylinder is equipped with a gantry for extruding thin films. Squeeze plate for sediment inside the wall box.

优选的,所述薄壁盒体包含两端及顶部均敞口的槽形板,槽形板两侧均设有竖直插槽,两个插槽位置均活动插接有插板。Preferably, the thin-walled box body includes a trough-shaped plate with open ends and top, vertical slots are provided on both sides of the trough-shaped plate, and plug-in boards are movably inserted into both slot positions.

优选的,所述框型架内与两个活动板相对的两个侧壁均设有垫板。Preferably, the two side walls in the frame that are opposite to the two movable plates are provided with backing plates.

优选的,所述丝杆伸出框型架的一端设有把手。Preferably, one end of the screw rod extending out of the frame is provided with a handle.

优选的,所述操作台台面设有用于定位加强装置位置的定位块。Preferably, the operating table is provided with positioning blocks for positioning the reinforcing device.

优选的,所述挤压板对应伸缩缸的两侧均设有活动贯穿龙门架的导向柱。Preferably, guide posts movable through the gantry are provided on both sides of the extrusion plate corresponding to the telescopic cylinder.

由于采用如上所述的技术方案,本实用新型具有如下有益效果:Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

本实用新型公开的一种泥沙固结立方成型装置,结构简单,在薄壁盒体内填满泥沙,并通过振动电机振动薄壁盒体侧壁,将薄壁盒体内泥沙振动密实,薄壁盒体材料厚度小,能够较好的传递振动,使薄壁盒体内泥沙快速被振动密实,提高泥沙固结成立方体的成功率,无需操作人员手动捣实,提高作业效率,降低操作人员的劳动强度;薄壁盒体外套设有加强装置,在对薄壁盒体内泥沙加压前能够通过旋拧丝杆,使活动板抵触薄壁盒体,通过加强装置加强薄壁盒体的结构强度,避免在加压过程中薄壁盒体变形或被撑破。The utility model discloses a sand consolidation cubic forming device with a simple structure. A thin-walled box is filled with sand, and a vibration motor vibrates the side wall of the thin-walled box to vibrate and compact the sand in the thin-walled box. The thin-walled box material has a small thickness and can transmit vibration better, so that the sediment in the thin-walled box is quickly vibrated and densified, which improves the success rate of solidifying the sediment into a cube. There is no need for operators to manually tamp, which improves operating efficiency and reduces costs. The labor intensity of the operator; the outer cover of the thin-walled box is equipped with a reinforcing device. Before pressurizing the sediment in the thin-walled box, the screw can be screwed to make the movable plate against the thin-walled box, and the thin-walled box is strengthened by the reinforcing device. The structural strength of the box is to prevent the thin-walled box from being deformed or bursting during the pressurization process.

附图说明Description of drawings

图1为本实用新型的结构示意图;Figure 1 is a schematic structural diagram of the utility model;

图2为加强装置的结构示意图;Figure 2 is a schematic structural diagram of the strengthening device;

图3为薄壁盒体的结构示意图。Figure 3 is a schematic structural diagram of the thin-walled box.

图中:1、操作台;2、伸缩缸;3、薄壁盒体;3-1、槽形板;3-2、插槽;3-3、插板;4、加强装置;4-1、框型架;4-2、活动板;4-3、丝杆;4-4、垫板;4-5、把手;5、龙门架;6、挤压板;7、定位块;8、导向柱。In the picture: 1. Operating table; 2. Telescopic cylinder; 3. Thin-walled box; 3-1. Channel plate; 3-2. Slot; 3-3. Plate; 4. Strengthening device; 4-1 , frame frame; 4-2, movable plate; 4-3, screw rod; 4-4, pad; 4-5, handle; 5, gantry frame; 6, extrusion plate; 7, positioning block; 8, Guide column.

具体实施方式Detailed ways

通过下面的实施例可以详细的解释本实用新型,公开本实用新型的目的旨在保护本实用新型范围内的一切技术改进,在本实用新型的描述中,需要理解的是,若有术语“上”、“下”、“前”、“后”、“左”、“右”等指示的方位或位置关系,仅是与本申请的附图对应,为了便于描述本实用新型,而不是指示或暗示所指的装置或元件必须具有特定的方位。The present utility model can be explained in detail through the following examples. The purpose of disclosing the present utility model is to protect all technical improvements within the scope of the present utility model. In the description of the present utility model, it should be understood that if the term "above" is used, ", "down", "front", "back", "left", "right", etc. indicate the orientation or positional relationship, which only correspond to the drawings of the present application and are for the convenience of describing the present utility model, rather than indicating or It implies that the device or element referred to must have a specific orientation.

实施例1,结合附图1~2,一种泥沙固结立方成型装置,包含操作台1和伸缩缸2,还包含薄壁盒体3和加强装置4;操作台1台面放置有顶部敞口的薄壁盒体3,即能够在薄壁盒体3内填满泥沙,并通过振动电机振动薄壁盒体3侧壁,将薄壁盒体3内泥沙振动密实,薄壁盒体3材料厚度小,能够较好的传递振动,使薄壁盒体3内泥沙快速被振动密实,提高泥沙固结成立方体的成功率,无需操作人员手动捣实,提高作业效率,降低操作人员的劳动强度;薄壁盒体3外套设有加强装置4;加强装置4包含顶部及底部均敞口的框型架4-1,框型架4-1内相邻两侧均设有能够抵触薄壁盒体3相应侧壁的活动板4-2,活动板4-2转动连接有贯穿框型架4-1相应侧壁的丝杆4-3,且丝杆4-3与框型架4-1螺纹连接,即在对薄壁盒体3内泥沙加压前能够通过旋拧丝杆4-3,使活动板4-2抵触薄壁盒体3,通过加强装置4加强薄壁盒体3的结构强度,避免在加压过程中薄壁盒体3变形或被撑破;Embodiment 1, with reference to the accompanying drawings 1 to 2, a sand consolidation cubic forming device includes an operating console 1 and a telescopic cylinder 2, and also includes a thin-walled box 3 and a reinforcing device 4; the operating console 1 is placed with an open top The thin-walled box 3 of the mouth can be filled with sediment in the thin-walled box 3, and the side wall of the thin-walled box 3 is vibrated by the vibration motor, so that the sediment in the thin-walled box 3 is vibrated densely, and the thin-walled box The material thickness of the body 3 is small and can transmit vibration better, so that the sediment in the thin-walled box body 3 is quickly vibrated and densified, which improves the success rate of consolidating the sediment into a cube and eliminates the need for operators to manually tamp, thereby improving operating efficiency and reducing costs. The labor intensity of the operator is reduced; the outer cover of the thin-walled box 3 is provided with a reinforcing device 4; the reinforcing device 4 includes a frame-shaped frame 4-1 with both top and bottom openings, and there are two adjacent sides of the frame-shaped frame 4-1. The movable plate 4-2 can resist the corresponding side wall of the thin-walled box 3. The movable plate 4-2 is rotatably connected with a screw rod 4-3 that penetrates the corresponding side wall of the frame frame 4-1, and the screw rod 4-3 is connected with the frame. The profile frame 4-1 is threaded, that is, before the sediment in the thin-walled box 3 is pressurized, the screw rod 4-3 can be screwed to make the movable plate 4-2 resist the thin-walled box 3, and the reinforcing device 4 is used to strengthen it. The structural strength of the thin-walled box 3 prevents the thin-walled box 3 from being deformed or bursting during the pressurization process;

操作台1台面对应加强装置4外侧紧固连接有龙门架5,龙门架5顶部设有向下伸缩的伸缩缸2,伸缩缸2底部设有用于挤压薄壁盒体3内泥沙的挤压板6,即能够通过控制伸缩缸2伸长,带动挤压板6下移,挤压薄壁盒体3内泥沙,并在泥沙中参入待实验验证的泥沙固结剂,通过挤压使含有泥沙固结剂的泥沙固结成立方体,然后控制伸缩缸2回程复位,取下加强装置4,将泥沙固结成的立方体取出,即可进行固结剂实验论证。A gantry 5 is fastened to the outer side of the operating table 1 corresponding to the reinforcing device 4. The top of the gantry 5 is provided with a telescopic cylinder 2 that telescopes downwards. The bottom of the telescopic cylinder 2 is provided with an extruder for squeezing the sediment in the thin-walled box 3. The pressing plate 6 can control the extension of the telescopic cylinder 2 to drive the extruding plate 6 downward, squeezing the sediment in the thin-walled box 3, and adding a sediment consolidating agent to be experimentally verified into the sediment. Squeeze to solidify the sediment containing the sediment consolidating agent into a cube, then control the telescopic cylinder 2 to return to reset, remove the reinforcing device 4, and take out the cube formed by the solidification of the sediment to conduct experimental demonstration of the consolidating agent.

实施例2,结合附图1~3,一种泥沙固结立方成型装置,与实施例1的不同之处在于在实施例1的基础上,所述薄壁盒体3包含两端及顶部均敞口的槽形板3-1,槽形板3-1两侧均设有竖直插槽3-2,两个插槽3-2位置均活动插接有插板3-3,即将两个插槽3-2插于槽形板3-1两侧即可形成盒体容器,当泥沙固结成立方体后将两个插槽3-2抽离即可快速取出泥沙固结成的立方体,使用方便;插槽3-2顶端及底端贯通,避免插槽3-2内积存泥沙,影响槽形板3-1的顺利插入;Embodiment 2, with reference to the accompanying drawings 1 to 3, a sand consolidation cubic forming device is different from Embodiment 1 in that on the basis of Embodiment 1, the thin-walled box 3 includes two ends and a top The trough-shaped plate 3-1 is open, and vertical slots 3-2 are provided on both sides of the trough-shaped plate 3-1. Both slots 3-2 are movablely connected with plug-in boards 3-3. The two slots 3-2 are inserted into both sides of the groove plate 3-1 to form a box container. When the sediment is solidified into a cube, the two slots 3-2 are pulled out to quickly remove the solidified sediment. It is formed into a cube and is easy to use; the top and bottom ends of the slot 3-2 are connected to avoid accumulation of sediment in the slot 3-2 and affect the smooth insertion of the slot plate 3-1;

所述框型架4-1内与两个活动板4-2相对的两个侧壁均设有垫板4-4,即能够使垫板4-4及活动板4-2避开插槽3-2,避免导致插槽3-2变形;所述丝杆4-3伸出框型架4-1的一端设有把手4-5,能够便于旋拧丝杆4-3的操作。The two side walls of the frame 4-1 opposite to the two movable plates 4-2 are provided with pads 4-4, that is, the pads 4-4 and the movable plates 4-2 can avoid the slots. 3-2, to avoid deformation of the slot 3-2; one end of the screw 4-3 extending out of the frame 4-1 is provided with a handle 4-5, which can facilitate the operation of screwing the screw 4-3.

实施例3,结合附图1~3,一种泥沙固结立方成型装置,在实施例1或2的基础上,所述操作台1台面设有用于定位加强装置4位置的定位块7,即能够通过定位块7快速定位加强装置4的位置,便于使挤压板6对准薄壁盒体3,从而提高作业效率;所述挤压板6对应伸缩缸2的两侧均设有活动贯穿龙门架5的导向柱8,能够保证挤压板6竖直升降,避免伸缩缸2承受较大弯矩而导致其伸缩杆弯曲,伸缩缸2能够为气缸或液压缸。Embodiment 3, with reference to the accompanying drawings 1 to 3, a sand consolidation cubic forming device, based on Embodiment 1 or 2, the operating table 1 is provided with a positioning block 7 for positioning the reinforcing device 4, That is, the position of the reinforcing device 4 can be quickly positioned through the positioning block 7, so that the extrusion plate 6 can be aligned with the thin-walled box 3, thereby improving the operating efficiency; The guide column 8 that penetrates the gantry 5 can ensure the vertical lifting of the extrusion plate 6 and prevent the telescopic cylinder 2 from bearing a large bending moment and causing its telescopic rod to bend. The telescopic cylinder 2 can be a pneumatic cylinder or a hydraulic cylinder.

本实用新型未详述部分为现有技术,对于本领域技术人员而言,显然本实用新型不限于上述示范性实施例的细节,而且在不背离本实用新型的精神或基本特征的情况下,能够以其他的具体形式实现本实用新型;因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,旨在将落在等同要件的含义和范围内的所有变化囊括在本实用新型内。The undetailed parts of the present utility model are prior art. It is obvious to those skilled in the art that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, The present invention can be implemented in other specific forms; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and are intended to fall within the meaning and scope of equivalent elements. All changes are included in this utility model.

Claims (6)

1. The utility model provides a cubic forming device is concretied to silt, contains operation panel (1) and telescopic cylinder (2), characterized by: the device also comprises a thin-wall box body (3) and a reinforcing device (4); a thin-wall box body (3) with an open top is arranged on the table top of the operation table (1), and a reinforcing device (4) is sleeved outside the thin-wall box body (3); the reinforcing device (4) comprises a frame-shaped frame (4-1) with open top and open bottom, movable plates (4-2) capable of abutting against corresponding side walls of the thin-wall box body (3) are arranged on two adjacent sides of the frame-shaped frame (4-1), the movable plates (4-2) are rotatably connected with screw rods (4-3) penetrating through corresponding side walls of the frame-shaped frame (4-1), and the screw rods (4-3) are in threaded connection with the frame-shaped frame (4-1); the table top of the operating table (1) is fixedly connected with a portal frame (5) corresponding to the outer side of the reinforcing device (4), a telescopic cylinder (2) which stretches downwards is arranged at the top of the portal frame (5), and an extrusion plate (6) for extruding sediment in the thin-wall box body (3) is arranged at the bottom of the telescopic cylinder (2).
2. The sand consolidation cubic shaping device as claimed in claim 1, wherein: the thin-wall box body (3) comprises groove-shaped plates (3-1) with two ends and the top being open, vertical slots (3-2) are formed in two sides of the groove-shaped plates (3-1), and inserting plates (3-3) are movably inserted in the positions of the two slots (3-2).
3. The sand consolidation cubic shaping device as claimed in claim 2, wherein: two side walls opposite to the two movable plates (4-2) in the frame (4-1) are respectively provided with a base plate (4-4).
4. The sand consolidation cubic shaping device as claimed in claim 1, wherein: one end of the screw rod (4-3) extending out of the frame (4-1) is provided with a handle (4-5).
5. The sand consolidation cubic shaping device as claimed in claim 1, wherein: the table top of the operating table (1) is provided with a positioning block (7) for positioning the position of the reinforcing device (4).
6. The sand consolidation cubic shaping device as claimed in claim 1, wherein: guide posts (8) which movably penetrate through the portal frame (5) are arranged on two sides of the extrusion plate (6) corresponding to the telescopic cylinders (2).
CN202322278908.6U 2023-08-24 2023-08-24 A kind of sediment consolidation cubic forming device Active CN220446733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322278908.6U CN220446733U (en) 2023-08-24 2023-08-24 A kind of sediment consolidation cubic forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322278908.6U CN220446733U (en) 2023-08-24 2023-08-24 A kind of sediment consolidation cubic forming device

Publications (1)

Publication Number Publication Date
CN220446733U true CN220446733U (en) 2024-02-06

Family

ID=89731546

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322278908.6U Active CN220446733U (en) 2023-08-24 2023-08-24 A kind of sediment consolidation cubic forming device

Country Status (1)

Country Link
CN (1) CN220446733U (en)

Similar Documents

Publication Publication Date Title
CN205187398U (en) Automatic powder forming machine
CN105842032A (en) Soil sample moulding and demoulding device
CN220446733U (en) A kind of sediment consolidation cubic forming device
CN204396537U (en) Hydraulic openings bucket shaping device
CN206445182U (en) A kind of pressure sand device of moulding machine
CN221937351U (en) A forming device for processing carbon fiber plate
CN114474340A (en) An automatic pouring device for cement prefabricated blocks for building construction
CN205879625U (en) Soil sample moulding and shedder
CN211888893U (en) Plain bumper
CN106079535A (en) A kind of big specification pre-baked anode carbon blocks pressing shaping device and using method thereof
CN207372245U (en) A kind of full-automatic moulding machine of compacting-type
CN209907926U (en) Pouring template system capable of realizing subsection vibrating of secondary structure wall constructional column
CN201693640U (en) Inserting and smashing device
CN207502252U (en) Marshall electric compaction test apparatus
CN205138856U (en) A suppression forming die for making test block of experiment soil matrix material
CN215879771U (en) Novel leveling pressure head equipment
CN220593519U (en) Vibrator for concrete
CN221622563U (en) A concrete forming device for building and civil engineering
CN211438006U (en) Exempt from high-efficient forming device that suppresses of turning
CN217454324U (en) PC precast concrete post is forming device with higher speed
CN222020656U (en) Multifunctional automatic shaping hydraulic press for powder metallurgy
CN209550606U (en) A production device for pressing and curing linkage of bonded NdFeB magnets
CN216758076U (en) Multi-point gravity sand-adding pre-tightening device
CN217671318U (en) Floating forming die
CN218212270U (en) Simple and easy unconfined compressive strength test specimen making devices

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant