CN115923175A - A protective sheath expanding mechanism and automatic complete sets of going up for elevator guide rail tenon - Google Patents
A protective sheath expanding mechanism and automatic complete sets of going up for elevator guide rail tenon Download PDFInfo
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- CN115923175A CN115923175A CN202211636830.4A CN202211636830A CN115923175A CN 115923175 A CN115923175 A CN 115923175A CN 202211636830 A CN202211636830 A CN 202211636830A CN 115923175 A CN115923175 A CN 115923175A
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- guide rail
- frame
- elevator guide
- arc plate
- tenon
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- 230000001681 protective effect Effects 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 description 6
- 230000008602 contraction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003934 vacuole Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to the technical field of elevators, in particular to a protective sleeve expanding mechanism for elevator guide rail tenons and automatic sleeve feeding equipment. Automatic go up the complete equipment and use protective sheath expanding mechanism, the expanding frame passes through the third cylinder and connects in the section bar frame, and the upper end of section bar frame is connected with first cylinder, and first cylinder is connected with the sheath push pedal. The protection sleeve expanding mechanism provided by the invention has a simple structure, and the protection sleeve can be easily expanded by using the plurality of arc plate groups wedged in the opening shape of the protection sleeve, so that the protection sleeve can be conveniently sheathed to the elevator guide rail rabbet. The automatic sleeving device is further provided on the basis of the protective sleeve expanding mechanism, can automatically complete sleeving operation on the tenon of the elevator guide rail, has high automation degree, can greatly improve production efficiency, and is worthy of popularization and use.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a protective sleeve expanding mechanism for elevator guide rail tenons and automatic sleeving equipment.
Background
The elevator guide rail is formed by cold drawing of sheet materials, the shape and position accuracy of the elevator guide rail greatly affects the stable and normal operation of the elevator, the end part of the elevator guide rail is weakest in the transportation and placement process, the elevator guide rail is easy to collide with and deform, a common sheath material is hard and easy to break, the elevator guide rail often cannot play a good protection role, the elevator guide rail is easy to fall off, the two ends of the elevator guide rail are sealed, the elevator guide rail is not easy to clamp into the guide rail, and the elevator guide rail cannot adapt to the size change of the guide rail.
Current patent CN105083740A, the name is an elevator guide rail tenon sheath, this patent provides an elevator guide rail tenon sheath, including the sheath head, the sheath neck, the sheath shoulder, this elevator guide rail tenon sheath is once taken shape by plastics through moulding plastics, wall thickness 1.5mm, above-mentioned sheath head forms square cavity, can make the guide rail put into more easily, the middle part is equipped with the sheath neck and is the narrow cavity that inwards symmetry is sunken, it is difficult to break away from to inlay the guide rail, below the sheath shoulder by above-mentioned decurrent plane of slope and bottom plane vacuole formation, both ends opening, be fit for the guide rail of different width, it is blocked more easily, the sheath shoulder has great R arc to constitute with sheath neck junction, the intensity has been increased, avoid the concentration of stress to cause the fracture.
However, the sheath produced by the patent has the phenomenon that the tenon of the elevator guide rail is difficult to be sleeved in the practical production of the elevator guide rail, and the reasons are as follows: this sheath is mostly rubber or plastics and makes, in order to guarantee its compactness behind sheatheeing in the elevator guide rail tenon, the sheath head of sheath, sheath neck, sheath shoulder often are less than the size of elevator guide rail tenon to the open end size of elevator guide rail tenon. After the production of the elevator guide rail is finished, the sheath head, the sheath neck and the sheath shoulder of the sheath need to be manually sleeved on the elevator guide rail tenon after being expanded towards the opening end of the elevator guide rail tenon, so that time and labor are wasted, and the efficiency of the automatic production of the elevator guide rail is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a protective sleeve expanding mechanism for a guide rail tenon of an elevator and automatic sleeving equipment.
The technical scheme for realizing the purpose of the invention is as follows: the utility model provides a protective sheath expanding mechanism for elevator guide rail tenon has the expanding frame of falling T shape, expanding frame is connected with a plurality of arc board groups, the arc board group is including the first arc board that two mirror images set up, arc board group is used for pegging graft and struts the protective sheath.
According to the technical scheme, the number of the arc plate groups is 3, one arc plate group is located at the upper end of the expansion type frame, and the other two arc plate groups are symmetrically located at the lower end of the expansion type frame.
According to the technical scheme, one ends, facing the protective sleeve, of the two first arc plates in the arc plate group are buckled into a shuttle shape.
According to the technical scheme, the first arc plate is connected to the inner wall of the expansion type frame.
According to the technical scheme, the inner wall of the expansion frame is connected with the second arc plate, and the second arc plate is located on the outer side of the arc plate group.
In the technical scheme, the second arc plate is positioned on the inner wall at the upper end of the expansion type frame and two outer side inner walls at the lower end of the expansion type frame.
The utility model provides a complete sets is gone up in automation for elevator guide rail tenon, uses a protective sheath expanding mechanism for elevator guide rail tenon, includes the section bar frame, the expanding frame connect in the section bar frame, the upper end of section bar frame is connected with first cylinder, first cylinder is connected with the sheath push pedal.
The technical scheme includes that the section bar frame further comprises a second air cylinder and a linear guide rail, the air cylinder head of the second air cylinder is connected with the section bar frame, and the linear guide rail is located below the section bar frame and is suitable for driving the section bar frame to move.
According to the technical scheme, the inner contour of the expansion type frame is larger than the outer contour of the elevator guide rail tenon, and the inner contour of the expanded protective sleeve is larger than the outer contour of the elevator guide rail tenon.
According to the technical scheme, a third cylinder is arranged at the bottom of the section bar frame, the expansion type frame comprises two template plates arranged in a mirror mode, and the template plates are connected to two ends of the third cylinder respectively.
After the technical scheme is adopted, the invention has the following positive effects:
(1) The protection sleeve expanding mechanism provided by the invention has a simple structure, and the protection sleeve can be easily expanded by using the plurality of arc plate groups wedged in the opening shape of the protection sleeve, so that the protection sleeve can be conveniently sheathed to the elevator guide rail rabbet.
(2) The automatic sleeving device is further provided on the basis of the protective sleeve expanding mechanism, can automatically complete sleeving operation on the elevator guide rail rabbet, is high in automation degree, can greatly improve production efficiency, and is worthy of popularization and use.
Drawings
FIG. 1 is a schematic view of a protective sheath expansion mechanism of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a schematic view of the expanding mechanism of the present invention inserted into a protective sheath;
FIG. 4 is a schematic view of an automatic jacketing device and a sheath expansion mechanism according to the present invention;
FIG. 5 is a schematic structural view of FIG. 4 after the second cylinder, the linear guide rail and the sliding block are installed;
FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective;
fig. 7 is a schematic structural view of the elevator guide rail assembly of fig. 4.
In the figure: the expansion type elevator guide rail comprises an expansion type frame 1, a first arc plate 2, a protective sleeve 100, a second arc plate 3, a section bar frame 4, a first cylinder 5, a protective sleeve push plate 6, a third cylinder 7, a shaping plate 11, a second cylinder 8, a linear guide rail 9 and an elevator guide rail 200.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
(example 1)
Referring to fig. 1 to 7, the invention provides a protective sleeve expansion mechanism for an elevator guide rail tenon, which comprises an inverted T-shaped expansion frame 1, wherein the expansion frame 1 is connected with a plurality of arc plate groups, each arc plate group comprises two first arc plates 2 arranged in a mirror image manner, and the arc plate groups are used for inserting and expanding a protective sleeve 100.
In this embodiment, the expandable frame 1 is an inverted T-shaped frame with a hollow interior, the shape of the frame corresponds to the protective sheath 100, each arc plate set includes two first arc plates 2, the first arc plates 2 may be, but are not limited to, made of spring steel, after the two first arc plates 2 are arranged in a mirror image manner, one ends of the first arc plates facing the protective sheath 100 are fastened into a shuttle shape, the size of the first arc plates is smaller than the size of the opening ends of the sheath head, the sheath neck and the sheath shoulder of the protective sheath 100, and the first arc plates can be conveniently inserted into the protective sheath 100. After the elevator guide rail is inserted, the size between one end of the protective sleeve 100 and the two first arc plates 2 close to the expansion frame 1 is larger than the size of the opening end of the protective sleeve head, the protective sleeve neck and the protective sleeve shoulder of the protective sleeve 100, so that the protective sleeve 100 can be completely opened, and the tenon of the elevator guide rail can be conveniently sleeved by the protective sleeve 100. Therefore, the number of the arc plate groups is determined according to the size relationship between the protective sleeve 100 and the arc plate groups, and further, the width of the first arc plate 2 is determined according to the size of the protective sleeve 100.
In one embodiment, there are 3 arc plate groups, one is located at the upper end of the expandable frame 1, and the other two are symmetrically located at the lower end of the expandable frame 1. The upper end of the expandable frame 1 is the vertical upper half of the inverted-T-shaped expandable frame 1, and an arc plate group is used corresponding to the sheath head and the sheath neck of the protective sheath 100. The lower end of the expandable frame 1 is the lower transverse half of the inverted T-shaped expandable frame 1, and two arc plate sets are symmetrically arranged corresponding to the protective sleeve shoulder of the protective sleeve 100.
In this embodiment, in order to make the first arc plate 2 and the expandable frame 1 structurally stable and externally beautiful, the first arc plate 2 is connected to the inner wall of the expandable frame 1. The connection can be, but not limited to, welding, riveting, bolting, and is not limited to any particular type of connection, and should not affect the understanding of those skilled in the art.
In this embodiment, the inner wall of the expandable frame 1 is connected with a second arc plate 3, and the second arc plate 3 is located outside the arc plate group. The second arc plate 3 is used as an auxiliary side plate of the first arc plate 2, but not limited to be made of spring steel, and the second arc plate 3 and the corresponding first arc plate 2 are connected to the inner wall of the expandable frame 1 vertically and horizontally. The shape of the end of the second arc plate 3 close to the protective sleeve 100 corresponds to the shuttle shape formed by the two first arc plates 2 through buckling, so that the first arc plates 2 can be inserted into the protective sleeve 100 more smoothly, and the arc plate group formed by the first arc plates 2 is prevented from being in hard contact with the protective sleeve 100.
In this embodiment, the second arc plate 3 is located on the inner wall of the upper end of the expandable frame 1 and on the two outer inner walls of the lower end of the expandable frame. The arc plate group at the upper end of the expandable frame 1 is correspondingly provided with two second arc plates 3, and the two second arc plates 3 can form a fusiform head facing the end part of the protective sleeve 100 after approaching. Two arc plate groups at the lower end of the expandable frame 1 are respectively and correspondingly provided with a second arc plate 3, and the end part of each second arc plate 3 facing the protective sleeve 100 is a fusiform head.
Example 2
Referring to fig. 1 to 7, the invention further provides automatic jacket feeding equipment for the elevator guide rail tenon, and the automatic jacket feeding equipment for the elevator guide rail tenon comprises a profile frame 4, wherein the expanding type frame 1 is connected to the profile frame 4, the upper end of the profile frame 4 is connected with a first air cylinder 5, and the first air cylinder 5 is connected with a jacket push plate 6. The first cylinder 5 is a rotary contraction cylinder. During the use, first cylinder 5 drives vertical sheath push pedal 6 and rotates about 90, makes it no longer just to each arc board group, can but not only use manual work, tongs or cartridge clip formula feed mechanism (not shown in the figure) this moment and snatch a plurality of arc board groups that protective sheath expansion mechanism was placed to protective sheath 100. First cylinder 5 drives vertical sheath push pedal 6 and revolves about 90 and makes it just to protective sheath 100, and first cylinder 5 on section bar frame 4 promotes sheath push pedal 6 and to each arc board group displacement after that for sheath push pedal 6 can promote protective sheath 100 and press to each arc board group and fix, makes protective sheath 100 can not drop because of the cylinder motion when the quilt cover is to the elevator guide rail tenon.
In this embodiment, the profile frame further includes a second cylinder 8 and a linear guide 9, a cylinder head of the second cylinder 8 is connected to the profile frame 4, and the linear guide 9 is located below the profile frame 4 and is adapted to drive the profile frame 4 to move. The profile frame 4 is connected to the linear guide rail 9 through a sliding block on the linear guide rail 9, and under the expansion and contraction of the cylinder head of the second cylinder 8, the profile frame 4 makes reciprocating motion along the linear guide rail 9, so that the expanded protective sleeve 100 can be driven to move towards and be sleeved on the elevator guide rail tenon. After the protective sleeve 100 is sleeved with the tenon of the elevator guide rail, the profile frame 4 retracts to the original position along the linear guide rail 9, the first air cylinder 5 drives the vertical protective sleeve push plate 6 to rotate by about 90 degrees, so that the vertical protective sleeve push plate is not directly opposite to each arc plate group any more, and a feeding mechanism waits for feeding next.
In this embodiment, the inner contour of the expandable frame 1 is larger than the outer contour of the elevator guide rail tenon, and the inner contour of the expanded protective sheath 100 is larger than the outer contour of the elevator guide rail tenon. After the elevator guide rail tenon is sleeved on the protective sleeve 100, under the driving of the second cylinder 8, the expansion type frame 1 on the profile frame 4 continues to advance along the elevator guide rail direction until the protective sleeve 100 is limited by the elevator guide rail tenon, at this moment, the arc plate group on the expansion type frame 1 is separated from the protective sleeve 100, and the protective sleeve 100 is tightly attached to the elevator guide rail tenon under the retraction force of the self material.
In this embodiment, after the operation of sleeving the tenon of the elevator guide rail on the protective sleeve 100 is completed, in order to enable the expandable frame 1 to be conveniently taken out and perform the next sleeving operation, the bottom of the profile frame 4 is provided with a third cylinder 7, the expandable frame 1 comprises two shaping plates 11 arranged in a mirror image manner, and the shaping plates 11 are respectively connected to two ends of the third cylinder 7. The third cylinder 7 is a wide clamping jaw which is commercially available and is used for driving the two mould plates 11 to approach or depart from each other. The expansion type frame 1 is composed of two mirror symmetry shaping plates 11, and the two shaping plates 11 are close to or far away from each other under the expansion and contraction of the third air cylinder 7. After the operation of sleeving the tenon of the elevator guide rail on the protective sleeve 100 is completed, the third cylinder 7 extends out to enable the two shaping plates 11 to be separated by a certain distance, and the expansion type frame 1 can be separated from the elevator guide rail.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a protective sheath expander constructs for elevator guide rail tenon which characterized in that: the expansion frame (1) with the shape of falling T, expansion frame (1) is connected with a plurality of arc board groups, arc board group is including first arc board (2) that two mirror images set up, arc board group is used for pegging graft and struts protective sheath (100).
2. A protective sheath expanding mechanism for an elevator guide rail tenon according to claim 1, wherein: the number of the arc plate groups is 3, one arc plate group is located at the upper end of the expansion type frame (1), and the other two arc plate groups are symmetrically located at the lower end of the expansion type frame (1).
3. The protective sheath expanding mechanism for elevator guide rail tenons of claim 1, wherein: one ends, facing the protective sleeve (100), of the two first arc plates (2) in the arc plate groups are buckled into a shuttle shape.
4. The protective sheath expanding mechanism for elevator guide rail tenons of claim 1, wherein: the first arc plate (2) is connected to the inner wall of the expansion type frame (1).
5. A protective sheath expanding mechanism for an elevator guide rail tenon according to claim 2, wherein: the inner wall of the expansion frame (1) is connected with a second arc plate (3), and the second arc plate (3) is located on the outer side of the arc plate group.
6. The protective sheath expanding mechanism for elevator guide rail tenons of claim 5, wherein: the second arc plate (3) is positioned on the inner wall at the upper end of the expansion type frame (1) and two outer side inner walls at the lower end of the expansion type frame (1).
7. An automatic casing-on device for an elevator guide rail tenon, which uses the protective casing expanding mechanism for an elevator guide rail tenon according to any one of claims 1 to 6, characterized in that: the expansion type frame is characterized by comprising a section bar frame (4), wherein the expansion type frame (1) is connected with the section bar frame (4), the upper end of the section bar frame (4) is connected with a first air cylinder (5), and the first air cylinder (5) is connected with a sheath push plate (6).
8. The automatic sleeving-on device for the guide rail tenon of the elevator according to claim 7, wherein: the profile frame is characterized by further comprising a second air cylinder (8) and a linear guide rail (9), wherein the air cylinder head of the second air cylinder (8) is connected with the profile frame (4), and the linear guide rail (9) is located below the profile frame (4) and is suitable for driving the profile frame (4) to move.
9. The automatic sleeving-on device for the guide rail tenon of the elevator according to claim 7, wherein: the inner contour of the expansion frame (1) is larger than the outer contour of the elevator guide rail tenon, and the inner contour of the expanded protective sleeve (100) is larger than the outer contour of the elevator guide rail tenon.
10. The automatic sleeving-on device for the guide rail tenon of the elevator according to claim 8, wherein: the bottom of section bar frame (4) is equipped with third cylinder (7), expansion type frame (1) includes template (11) that two mirror images set up, template (11) connect respectively in the both ends of third cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211636830.4A CN115923175A (en) | 2022-12-15 | 2022-12-15 | A protective sheath expanding mechanism and automatic complete sets of going up for elevator guide rail tenon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211636830.4A CN115923175A (en) | 2022-12-15 | 2022-12-15 | A protective sheath expanding mechanism and automatic complete sets of going up for elevator guide rail tenon |
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| CN115923175A true CN115923175A (en) | 2023-04-07 |
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| CN202211636830.4A Pending CN115923175A (en) | 2022-12-15 | 2022-12-15 | A protective sheath expanding mechanism and automatic complete sets of going up for elevator guide rail tenon |
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| CN107009609A (en) * | 2017-04-01 | 2017-08-04 | 深圳科创新源新材料股份有限公司 | A kind of claw steel wire expanding machine |
| CN208881158U (en) * | 2018-09-25 | 2019-05-21 | 苏州九维电气制造有限公司 | A kind of claw steel wire expanding machine |
| CN209381423U (en) * | 2018-12-29 | 2019-09-13 | 山东毅狮迈特种轮胎股份有限公司 | A kind of novel tire rim of the mouth molding rotary electric dilator |
| CN209580459U (en) * | 2019-01-24 | 2019-11-05 | 长沙波特尼电气系统有限公司 | A kind of rubber piece expander |
| CN209756053U (en) * | 2019-03-01 | 2019-12-10 | 泰州赛星电子有限公司 | Automatic rubber ring expander |
| CN210362556U (en) * | 2019-07-25 | 2020-04-21 | 四川太乙高新材料有限公司 | Pneumatic expander for assembling three finger sleeves |
| CN210309087U (en) * | 2019-08-13 | 2020-04-14 | 安徽万朗磁塑股份有限公司 | Soft dysmorphism door seals gum cover port welding set |
| CN211137804U (en) * | 2019-09-02 | 2020-07-31 | 江苏斯普特电工科技有限公司 | Regulation formula dactylotheca expanding mechanism |
| CN211591290U (en) * | 2020-01-10 | 2020-09-29 | 无锡德刚精工机电设备有限公司 | Automatic expanding machine for cable accessory finger stall |
| CN212171301U (en) * | 2020-01-19 | 2020-12-18 | 青岛成通源电子有限公司 | Rubber sleeve expanding machine |
| CN212422164U (en) * | 2020-05-22 | 2021-01-29 | 苏州九维电气制造有限公司 | Shrinkage type cable accessory expansion equipment |
| CN212764762U (en) * | 2020-06-24 | 2021-03-23 | 苏州隆诚冷热缩制品有限公司 | Cold contraction sleeve pipe expanding device |
| CN214645847U (en) * | 2020-09-30 | 2021-11-09 | 腾氟密封科技(上海)有限公司 | Automatic reaming device is used in rubber seal production |
| CN214056344U (en) * | 2020-11-25 | 2021-08-27 | 福建成功克拉管材科技有限公司 | Production forming equipment for winding structure wall pipe |
| CN214116902U (en) * | 2020-12-02 | 2021-09-03 | 冯建强 | Municipal drainage pipe non-excavation is restoreed and is used pipeline inner wall expansion equipment |
| CN214214741U (en) * | 2020-12-30 | 2021-09-17 | 吴江市华鼎热缩制品有限公司 | Expanding machine for assembling cold shrinkage pipe and supporting pipe |
| CN112829321A (en) * | 2020-12-30 | 2021-05-25 | 广东大雅智能厨电股份有限公司 | Flexible strip material embedding jig and embedding processing technology |
| CN215434989U (en) * | 2021-09-01 | 2022-01-07 | 上海柳清复合材料有限公司 | Rubber expansion claw |
| CN216885181U (en) * | 2021-09-28 | 2022-07-05 | 四川九洲线缆有限责任公司 | Thermal shrinkage bush expansion tool |
| CN216182736U (en) * | 2021-10-18 | 2022-04-05 | 科耐特输变电科技股份有限公司 | Expansion device for cable accessories |
| CN216597122U (en) * | 2021-10-20 | 2022-05-24 | 叶春蕾 | A reaming device for car wiring harness production |
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Application publication date: 20230407 |