CN113183096B - Split pin bending pliers - Google Patents
Split pin bending pliers Download PDFInfo
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- CN113183096B CN113183096B CN202110439994.7A CN202110439994A CN113183096B CN 113183096 B CN113183096 B CN 113183096B CN 202110439994 A CN202110439994 A CN 202110439994A CN 113183096 B CN113183096 B CN 113183096B
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- clamp body
- pliers
- handle
- cotter pin
- lower clamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/20—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same inserting or withdrawing split pins or circlips
- B25B27/205—Pliers or tweezer type tools with tow actuated jaws
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- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention provides a cotter pin bending pliers, comprising: the end part of the upper clamp body, far away from the first rotating shaft, is provided with a positioning groove for accommodating the arc end part of the cotter pin; the upper surface of the end part of the lower clamp body far away from the hinge shaft is provided with a first action surface and a second action surface which are arranged in an intersecting way, and the first action surface and the second action surface are respectively matched with a first support leg and a second support leg of the cotter pin; the lower clamp body is used for sliding relative to the upper clamp body, the trigger portion comprises a first lug arranged on the lower side of the upper clamp body and a second lug arranged on the upper side of the lower clamp body, and the first lug is matched with the second lug through an inclined plane. The assembling device solves the problems that the assembling of the split pin in the assembling process of the triple carrier roller of the traditional belt conveyor is difficult to meet the process standard requirement and the assembling efficiency is low.
Description
Technical Field
The invention relates to the field of split pin assembly, in particular to split pin bending pliers.
Background
With the development of science and technology, the transportation capacity and the transportation distance of the belt conveyor are continuously improved, and the length of the machine body is also realized from hundreds of meters to thousands of meters or even thousands of meters. The supporting roller as the main part of the belt conveyer can support the conveyer belt to make its sag not exceed the limit value and reduce the running resistance of the conveyer belt. The matched belt conveyor after continuous mining generally adopts a triple carrier roller, three carrier rollers are connected with a carrier roller shaft through two connecting plates by using a cylindrical pin B, the cylindrical pin B is locked by using a cotter pin to limit axial displacement, and two sides of the carrier rollers are arranged on a longitudinal beam through a hanger.
At present, the triple carrier roller of the belt conveyor is generally assembled in the following way: when the carrier rollers are connected in series and the hooks are connected in series, the connecting plate and the cylindrical pin B are connected in series, the cotter pin is firstly inserted, and then the two feet of the cotter pin are bent by sharp-nose pliers at an angle larger than 60 degrees according to the process requirement. The whole connecting process needs several working procedures, workers finish pin stringing and split pins in narrow operating space, the labor intensity of the operators is high, the assembly efficiency is low, the split angle and the quality of the split pins cannot meet the requirements of process standards, and the split pins are easy to fall off or break in the conveying process of the belt conveyor.
Disclosure of Invention
The technical problem to be solved by the invention is that the assembling of the split pin in the assembling process of the triple carrier roller of the existing belt conveyor is difficult to meet the process standard requirement and the assembling efficiency is lower; the invention provides a cotter pin bending pliers for bending cotter pins.
In order to solve the technical problems, the invention provides the following technical scheme:
a cotter pin bending pliers, comprising: the end part of the upper clamp body, far away from the first rotating shaft, is provided with a positioning groove for accommodating the arc end part of the cotter pin; the upper surface of the end part of the lower clamp body far away from the hinged shaft is provided with a first action surface and a second action surface which are arranged in an intersecting way, and the first action surface and the second action surface are respectively matched with the first supporting leg and the second supporting leg of the cotter pin; the lower clamp body is arranged on the upper clamp body, the lower clamp body is arranged on the lower clamp body, and the lower clamp body is arranged on the lower clamp body;
in some embodiments of the present invention, when the upper caliper body and the lower caliper body rotate in directions approaching each other around the first rotation axis, the first protrusion and the second protrusion cooperate with each other to cause the lower caliper body to slide relative to the upper caliper body along an axis direction of the first rotation axis, the arc end of the cotter pin is positioned in the positioning groove, and the two legs of the cotter pin are bent under the action of the first action surface and the second action surface.
In some embodiments of the present invention, the present invention further includes an upper clamp handle and a lower clamp handle hinged through the first rotating shaft, the lower clamp handle is fixedly connected to the upper clamp body, and the upper clamp handle is axially slidably connected to the lower clamp body.
In some embodiments of the present invention, the upper handle comprises an upper handle body and an upper handle connecting plate located at an end of the upper handle body, the upper handle connecting plate is provided with a first rotating hole for matching with the first rotating shaft; the lower clamp body comprises a lower clamp body and a lower clamp body connecting plate positioned at the end part of the lower clamp body, and the lower clamp body connecting plate is provided with a second rotating hole matched with the first rotating shaft; the lower clamp body connecting plate is connected with the upper clamp handle connecting plate in a sliding manner through at least one sliding shaft.
In some embodiments of the present invention, two parallel upper handle connecting plates are disposed at an end of the upper handle body, the lower handle connecting plate is disposed between the two upper handle connecting plates, and the sliding shaft is disposed on the plate surfaces of the two upper handle connecting plates and the lower handle connecting plate.
In some embodiments of the present invention, a compression spring is disposed between the upper clamp handle connecting plate and the lower clamp body connecting plate on one side.
In some embodiments of the present invention, the lower clamp handle and the upper clamp body are respectively and fixedly connected to a hinge base, and the hinge base is provided with the first rotating shaft.
In some embodiments of the present invention, the positioning groove is formed on an end surface of the upper caliper body away from the first rotating shaft, and a longitudinal cross section of the positioning groove is in a gourd shape with an opening at a lower side.
In some embodiments of the present invention, a positioning shaft is formed on a bottom surface of the positioning groove, and the positioning shaft is used for positioning the arc end of the cotter pin.
In some embodiments of the present invention, an intersection of the first acting surface and the second acting surface extends in a direction perpendicular to an axis of the first rotating shaft, and the first acting surface and the second acting surface each extend obliquely downward along the intersection thereof.
In some embodiments of the present invention, the first and second action surfaces have the same angle with the bottom surface of the lower jaw body, and the distance between the intersection of the first and second action surfaces and the front side surface of the lower jaw body is not equal to the distance between the intersection of the first and second action surfaces and the rear side surface of the lower jaw body.
Compared with the prior art, the technical scheme of the invention has the following technical effects:
in the cotter pin bending pliers provided by the invention, an upper plier body and a lower plier body rotate around a first rotating shaft 3, the upper plier body is provided with a positioning groove matched with the arc end part of a cotter pin, the lower plier body is provided with a first action surface and a second action surface matched with two support legs of the cotter pin, and a trigger part used for enabling the lower plier body to axially slide relative to the upper plier body is further arranged between the upper plier body and the lower plier body. The split pin bending pliers convert the pressing force of the pliers body into the bending force of the split pin, so that the split pin can be bent more conveniently and rapidly, the split pin bending pliers conform to human engineering, and the labor intensity is reduced. The tool is light and convenient to carry.
Drawings
The objects and advantages of the present invention will be understood by the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of one embodiment of a cotter bending pliers of the present invention;
FIG. 2 is an exploded view of one embodiment of the cotter bending pliers of the present invention;
FIG. 3 is a partial view of one embodiment of the upper jaw body of the cotter pin bending pliers of the present invention;
FIG. 4 is a schematic structural diagram of an initial bending position of one embodiment of the cotter bending pliers of the invention;
FIG. 5 is a schematic view of a bending middle position of one embodiment of the cotter bending pliers of the present invention;
FIG. 6 is a schematic structural view of a bending middle position of one embodiment of the cotter pin bending pliers of the invention;
FIG. 7 is a schematic structural diagram of a bending end position of an embodiment of the cotter pin bending pliers of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present 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.
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, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally 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.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1-7 show an embodiment of a cotter pin bending pliers of the present invention, which includes: the clamp comprises an upper clamp body 1 and a lower clamp body 2 which are hinged through a first rotating shaft 3, wherein the end part of the upper clamp body 1 far away from the first rotating shaft 3 is provided with a positioning groove 11 for accommodating an arc end part A1 of a cotter A; the upper surface of the end part of the lower clamp body 2 far away from the hinge shaft is provided with a first action surface 2a and a second action surface 2b which are arranged in an intersecting way, and the first action surface 2a and the second action surface 2b are respectively used for being matched with a first supporting leg A2 and a second supporting leg A3 of the cotter pin A; the improved pliers are characterized by further comprising a trigger part for driving the lower pliers body 2 to slide relative to the upper pliers body 1, wherein the trigger part comprises a first protruding block 12 arranged on the lower side of the upper pliers body 1 and a second protruding block 23 arranged on the upper side of the lower pliers body 2, and the first protruding block 12 is matched with the second protruding block 23 through an inclined plane.
When the cotter pin bending pliers are used for bending a cotter pin A, the upper plier body 1 and the lower plier body 2 are controlled to rotate around the first rotating shaft 3 in the direction approaching to each other, the first lug 12 is matched with the second lug 23 to enable the lower plier body 2 to slide along the axial direction of the first rotating shaft 3 relative to the upper plier body 1, the arc end part A1 of the cotter pin A is positioned in the positioning groove 11, the two support legs of the cotter pin A are bent under the action of the first action surface 2a and the second action surface 2b, specifically, the longer first support leg A2 is firstly matched with the first action surface 2a, and as the lower plier body 2 can slide along the axial direction of the first rotating shaft 3 relative to the upper plier body 1, the first action surface 2a drives the first support leg A2 to bend outwards until the shorter second support leg A3 is matched with the second action surface 2b, the two support legs are respectively bent towards two sides until the two support legs of the cotter pin A are completely bent and opened to a standard angle. The split pin bending pliers convert the pressing force of the pliers body into the bending force of the split pin A, so that the split pin A can be bent more conveniently and rapidly, the split pin bending pliers conform to human engineering, and the labor intensity is reduced. The tool is light and convenient to carry.
Specifically, in order to facilitate an operator to pull the upper plier body 1 and the lower plier body 2, the cotter pin bending plier further comprises an upper plier handle 4 and a lower plier handle 5 which are hinged through the first rotating shaft 3, the lower plier handle 5 is fixedly connected with the upper plier body 1, and the upper plier handle 4 is axially connected with the lower plier body 2 in a sliding manner. The split pin A can be clamped or released by the upper clamp body 1 and the lower clamp body 2 by pulling the upper clamp handle 4 and the lower clamp handle 5.
Specifically, the fixed connection structure of the lower clamp handle 5 and the upper clamp body 1 is not unique; in a specific embodiment, the lower clamp handle 5 and the upper clamp body 1 are respectively welded on a hinge seat 6, and the first rotating shaft 3 is arranged on the hinge seat 6. More specifically, the hinge base 6 is a substantially cylindrical block, the upper caliper body 1 is integrally formed into a rectangular block structure, and is welded to the cylindrical surface of the hinge base 6 through a bending transition portion, and the lower caliper handle 5 is welded to the cylindrical surface of the hinge base 6 and is respectively distributed on two radial sides of the hinge base 6.
Specifically, as shown in fig. 2, the upper handle 4 includes an upper handle body 41 and an upper handle connecting plate 42 located at an end of the upper handle body 41, the lower handle 2 includes a lower handle body 21 and a lower handle connecting plate 22 located at an end of the lower handle body 21, the upper handle connecting plate 42 is provided with a first rotating hole 421, the lower handle connecting plate 22 is provided with a second rotating hole 221, and the first rotating hole 421 and the second rotating hole 221 are coaxially arranged and respectively rotatably engaged with the first rotating shaft 3, so as to achieve the hinge joint between the lower handle 2 and the upper handle 1.
The lower clamp body connecting plate 22 and the upper clamp handle connecting plate 42 are in sliding connection through at least one sliding shaft 7. More specifically, two parallel upper handle connecting plates 42 are arranged at the end part of the upper handle body 41, and the distance between the two upper handle connecting plates 42 is larger than the thickness of the lower handle connecting plate 22; the lower clamp body connecting plate 22 is located between the two upper clamp handle connecting plates 42, the upper clamp handle connecting plates 42 and the surfaces of the lower clamp body connecting plates 22 are respectively provided with three connecting holes, and the three sliding shafts 7 respectively penetrate through the connecting holes of the upper clamp handle connecting plates 42 on one side and are connected with the connecting holes of the upper clamp handle connecting plates 42 on the other side after passing through the connecting holes of the lower clamp body connecting plates 22. In one mode, the sliding shaft 7 is connected with the upper tong handle connecting plates 42 on two sides in a riveting mode; in another mode, a limit structure is arranged at one side end of the sliding shaft 7, an external thread is arranged at the other side end of the sliding shaft, a threaded hole is correspondingly arranged in the upper clamp handle connecting plate 42, and the upper clamp handle connecting plate and the threaded hole are connected through a thread. More specifically, the three connection holes surround the outer sides of the first rotation hole 421 and the second rotation hole 221, respectively, and are uniformly arranged in the circumferential direction.
Specifically, a compression spring 8 is arranged between the upper clamp handle connecting plate 42 and the lower clamp body connecting plate 22. The compression spring 8 is adapted to apply a force to the lower jaw body 2 to move it to an initial position in which the lower jaw body coupling plate 22 is in contact engagement with one of the upper jaw handle coupling plates 42.
Specifically, the positioning groove 11 is formed in the end face, far away from the first rotating shaft 3, of the upper caliper body 1, that is, the longitudinal end face of the front side of the upper caliper body 1 extends along the length direction of the upper caliper body 1, the longitudinal section of the positioning groove 11 is in a gourd shape with an open lower side, an upper circular arc surface of the gourd-shaped positioning groove 11 is matched with the circular arc end a1 of the cotter a to limit the position of the cotter a, a lower circular arc surface of the gourd-shaped positioning groove 11 is matched with the cylindrical pin B, and the cotter a is inserted into the cylindrical pin B. The end part of the cotter A is fixed through double positioning, so that subsequent bending operation is facilitated.
In order to further enhance the installation and positioning of the cotter a, as shown in fig. 3, a positioning shaft 13 is formed on the bottom surface of the positioning groove 11, the end of the positioning shaft 13 is a slope, the end of the slope of the positioning shaft 13 can make the arc end a1 of the cotter a more easily fit on the positioning shaft 13, and finally make the cotter a enter the bottom of the positioning groove 11, and the positioning shaft 13 is used for positioning the arc end a1 of the cotter a. Install during split pin A, follow split pin A inside the opening part of constant head tank 11 inserts to constant head tank 11, the split pin gets into constant head tank 11 tank bottom under the guiding action on the inclined plane of location axle 13, until the circular arc tip cover of split pin A is established on the location axle 13, avoid only through constant head tank 11 location split pin A, the great problem that leads to its easy deflection of degree of freedom of split pin A.
Specifically, the intersection of the first acting surface 2a and the second acting surface 2b extends along the axial direction perpendicular to the first rotating shaft 3, that is, the intersection of the first acting surface 2a and the second acting surface 2b extends along the length direction of the lower clamp body 2, and the first acting surface 2a and the second acting surface 2b extend obliquely downward along the intersection thereof, respectively. The first acting surface 2a and the second acting surface 2b can be planes or arc surfaces recessed downwards.
Specifically, the included angle between the first acting surface 2a and the second acting surface 2b and the bottom surface of the lower caliper body 2 is equal, and the distance between the intersection line of the first acting surface 2a and the second acting surface 2b and the front side surface of the lower caliper body 2 is not equal to the distance between the intersection line of the first acting surface 2a and the second acting surface 2b and the rear side surface of the lower caliper body 2. Specifically, the first acting surface 2a has a longer inclination than the second acting surface 2 b. More specifically, the included angle between the first action surface 2a and the second action surface 2b is between 120 DEG and 160 deg.
Since the length of the first leg a2 of the cotter a is greater than the length of the second leg A3, and the first leg a2 engages with the first active surface 2a, the second leg A3 engages with the second active surface 2 b; the length of the first operating surface 2a in the bending direction of the first leg a2 is longer than the length of the second operating surface 2b in the bending direction of the second leg A3, so that the first leg a2 is prevented from being bent to the reverse side due to contact with the second operating surface 2 b.
When the cotter pin bending pliers are used for bending the cotter pin A, firstly, the cotter pin A inserted into the cylindrical pin B is clamped on the cotter pin bending pliers, specifically, the arc end A1 of the cotter pin A is inserted into the positioning groove 11, and the first support leg A2 of the cotter pin A is arranged on the first action surface 2 a; the upper clamp handle 4 and the lower clamp handle 5 of the split pin bending clamp are pulled to enable the upper clamp body 1 and the lower clamp body 2 to rotate in a mutually approaching direction, at the moment, the first lug 12 and the second lug 23 are matched through an inclined surface, the lower clamp body 2 slides along the axial direction of the first rotating shaft 3, the first action surface 2a exerts an outward acting force on the first supporting leg A2 to enable the first supporting leg A2 to start to bend outward, when the first supporting leg A2 is bent to the state that the end part and the end part of the second supporting leg A3 are located on the same horizontal plane, the second supporting leg A3 is matched with the second action surface 2b, the upper clamp handle 4 and the lower clamp handle 5 are continuously moved, and the first action surface 2a and the second action surface 2b respectively act on the first supporting leg A2 and the second supporting leg A3 of the split pin A to enable the first supporting leg A and the second supporting leg A to bend to a set angle. After the acting force on the upper clamp handle 4 and the lower clamp handle 5 is released, the lower clamp body 2 is restored to the initial position under the action of the compression spring 8.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides a split pin pincers of bending which characterized in that, it includes:
the end part of the upper clamp body, far away from the first rotating shaft, is provided with a positioning groove for accommodating the arc end part of the cotter pin; the upper surface of the end part of the lower clamp body far away from the hinged shaft is provided with a first action surface and a second action surface which are arranged in an intersecting way, and the first action surface and the second action surface are respectively matched with the first supporting leg and the second supporting leg of the cotter pin;
the lower clamp body is arranged on the upper clamp body, the lower clamp body is arranged on the lower clamp body, and the lower clamp body is arranged on the lower clamp body;
when the upper clamp body and the lower clamp body rotate around the first rotating shaft in the direction approaching to each other, the first protruding block and the second protruding block are matched to enable the lower clamp body to slide relative to the upper clamp body along the axis direction of the first rotating shaft, the arc end of the cotter pin is positioned in the positioning groove, and the two support legs of the cotter pin are bent under the action of the first acting surface and the second acting surface.
2. The cotter pin bending tong of claim 1, further comprising an upper tong handle and a lower tong handle hinged through the first rotating shaft, wherein the lower tong handle is fixedly connected with the upper tong body, and the upper tong handle is axially connected with the lower tong body in a sliding manner.
3. The split pin bending pliers according to claim 2, wherein the upper pliers handle comprises an upper pliers handle body and an upper pliers handle connecting plate positioned at the end of the upper pliers handle body, and the upper pliers handle connecting plate is provided with a first rotating hole for matching with the first rotating shaft; the lower clamp body comprises a lower clamp body and a lower clamp body connecting plate positioned at the end part of the lower clamp body, and the lower clamp body connecting plate is provided with a second rotating hole matched with the first rotating shaft; the lower clamp body connecting plate is connected with the upper clamp handle connecting plate in a sliding manner through at least one sliding shaft.
4. The cotter pin bending plier of claim 3, wherein the end of the upper plier handle body is provided with two mutually parallel upper plier handle connecting plates, the lower plier body connecting plate is positioned between the two upper plier handle connecting plates, and the sliding shaft is arranged on the plate surfaces of the two upper plier handle connecting plates and the lower plier body connecting plate in a penetrating way.
5. The cotter bending pliers of claim 4, wherein a compression spring is arranged between the upper pliers handle connecting plate and the lower pliers body connecting plate on one side.
6. The cotter pin bending pliers of claim 2, wherein the lower pliers handle and the upper pliers body are respectively fixedly connected to a hinged base, and the first rotating shaft is arranged on the hinged base.
7. The cotter pin bending pliers of claim 1, wherein the locating slot is formed on the end face of the upper pliers body far away from the first rotating shaft, and the longitudinal section of the locating slot is in the shape of a gourd with an opening at the lower side.
8. The cotter pin bending pliers of claim 7, wherein a locating shaft is formed on the bottom surface of the locating groove, and the locating shaft is used for locating the arc end of the cotter pin.
9. The cotter pin bending pliers of claim 1, wherein the intersection line of the first acting surface and the second acting surface extends along the direction perpendicular to the axis of the first rotating shaft, and the first acting surface and the second acting surface respectively extend along the intersection line thereof in a downward inclination manner.
10. The cotter pin bending pliers of claim 9, wherein the included angle between the first acting surface and the second acting surface and the bottom surface of the lower pliers body is equal, and the distance between the intersection line of the first acting surface and the second acting surface and the front side surface of the lower pliers body is not equal to the distance between the intersection line of the first acting surface and the second acting surface and the rear side surface of the lower pliers body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110439994.7A CN113183096B (en) | 2021-04-23 | 2021-04-23 | Split pin bending pliers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110439994.7A CN113183096B (en) | 2021-04-23 | 2021-04-23 | Split pin bending pliers |
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| CN113183096A CN113183096A (en) | 2021-07-30 |
| CN113183096B true CN113183096B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| WO2013020335A1 (en) * | 2011-08-09 | 2013-02-14 | 润联(天津)五金工具有限公司 | Clamping tool capable of changing clamp handle angle |
| CN104227578A (en) * | 2013-06-17 | 2014-12-24 | 王春雷 | Clamp plate type lever mechanism |
| CN104414727A (en) * | 2013-08-23 | 2015-03-18 | 郑州泽正技术服务有限公司 | Orthopedic kirschner pin bending device |
| CN103753419A (en) * | 2013-11-25 | 2014-04-30 | 重庆盾铭电磁阀有限公司 | Pliers |
| CN203752084U (en) * | 2014-04-02 | 2014-08-06 | 中联重科股份有限公司 | Split pin flaring device |
| CN204431081U (en) * | 2015-01-14 | 2015-07-01 | 万亚明 | Can by the Special hand vice of the bound edge bending 90 ° with right angle flanging |
| CN204744388U (en) * | 2015-06-24 | 2015-11-11 | 新华手术器械有限公司 | Ke shi needle pincers of bending |
| CN205007024U (en) * | 2015-08-11 | 2016-02-03 | 杭州正创五金机械有限公司 | Pincers of bending of face are cut to one side in area |
| CN205019110U (en) * | 2015-08-19 | 2016-02-10 | 上海交通大学 | Take auto -lock structure can internally degrade organize closed clamp |
| CN208813393U (en) * | 2018-07-28 | 2019-05-03 | 广东隆鑫机车有限公司 | Split pin, fuel tank installation structure and its motorcycle |
| CN209753859U (en) * | 2018-12-27 | 2019-12-10 | 凤凰光学股份有限公司 | Mechanical device |
| CN109888686A (en) * | 2019-01-14 | 2019-06-14 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of low tension wire Special wiring tool |
| CN209344500U (en) * | 2019-01-14 | 2019-09-03 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of low tension wire Special wiring tool |
| CN212399284U (en) * | 2020-06-05 | 2021-01-26 | 国网天津市电力公司 | Meter-mounting and power-connecting craft pliers |
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