CN214641327U - Improved generation connecting rod welding frock - Google Patents
Improved generation connecting rod welding frock Download PDFInfo
- Publication number
- CN214641327U CN214641327U CN202023057917.5U CN202023057917U CN214641327U CN 214641327 U CN214641327 U CN 214641327U CN 202023057917 U CN202023057917 U CN 202023057917U CN 214641327 U CN214641327 U CN 214641327U
- Authority
- CN
- China
- Prior art keywords
- auxiliary support
- connecting rod
- small holes
- support body
- plate
- 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
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model provides an improved connecting rod welding tool, which comprises a rectangular base, at least two supports for placing connecting rods and connecting rod accessories, a first auxiliary support and a second auxiliary support, wherein the supports are detachably arranged on the base, and the central points of a plurality of the supports are positioned on the same straight line, the improved connecting rod welding tool provided by the utility model has simple structure, convenient use and low cost, the connecting rod and the connecting rod accessories to be welded are placed on the supports positioned at the two ends of the base, the connecting rod and the connecting rod accessory to be welded are fixed by the position, the shape and the size of the hole designed on the support and the first auxiliary support and the second auxiliary support, so that the subsequent welding work is convenient to be carried out, and simultaneously, the position, the shape and the size of the hole on the support are adjusted according to the design requirements, and the position of the hole on the welded connecting rod and the connecting rod accessory is well ensured to meet the design requirements.
Description
Technical Field
The utility model relates to a connecting rod welding frock field especially relates to an improved generation connecting rod welding frock.
Background
The tooling is a general name of various tools used in the manufacturing process and comprises a cutter, a clamp, a die, a measuring tool, a checking tool, an auxiliary tool, a bench tool, a station tool and the like, the tooling is a general short for the tooling, the tooling clamp is a process device for quickly fastening a workpiece during processing so as to ensure that a machine tool, the cutter and the workpiece keep correct relative positions, and the tooling clamp is an indispensable part for mechanical processing;
however, the existing connecting rod welding and hole site processing steps are generally as follows: weld connecting rod and the connecting plate that needs the welding on the connecting rod earlier, then process the hole site on connecting rod and the connecting plate, such step exists a problem and is exactly connecting rod and connecting plate welding back, the volume becomes very big, generally miniature equipment just can't carry out the hole site processing to connecting rod and connecting plate again, especially some miniature enterprises, if purchase large-scale equipment and decide and lead to the fact certain fund pressure, but if carry out the hole site processing to connecting rod and connecting plate earlier, when welding connecting rod and connecting plate, just need suitable frock to treat welded connecting rod and connecting plate and fix a position and support just can guarantee the distance between the hole site after the welding in order to satisfy the requirement of relating.
SUMMERY OF THE UTILITY MODEL
The above-mentioned problem to prior art exists, the utility model provides an improved generation connecting rod welding frock, simple structure, convenient operation, low in cost, through the demand that satisfies the design between the hole site on connecting rod and the connecting rod annex after this frock welding distance precision can be fine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an improved generation connecting rod welding frock, includes the base of rectangle, at least two supports and first auxiliary stand and the second auxiliary stand that are used for laying connecting rod and connecting rod annex, support detachable sets up on the base, and the several the central point of support is located same straight line.
In one embodiment, the support comprises a rectangular bottom plate, a left upright post and a right upright post are arranged on the bottom plate, a connecting plate is arranged between the left upright post and the right upright post, the left end and the right end of the connecting plate are respectively connected with the left upright post and the right upright post,
the base plate is provided with a base plate positioning screw hole, the base is provided with a base fixing screw hole, and the base plate positioning screw hole is connected with the base fixing screw hole through a positioning screw rod.
In one embodiment, the left upright column comprises a first lower support and a first upper support plate, the first lower support is arranged in a hollow mode, the first upper support plate is covered on the first lower support, a first threaded through hole is formed in the first upper support plate, a first counter bore is formed in the upper end of the first threaded through hole, the first upper support plate is circular in shape, and the first counter bore is square;
the right upright column comprises a right upright column body, a first groove penetrating through the left side wall and the right side wall of the right upright column body is formed in the upper surface of the right upright column body, a second threaded hole is formed in the center of the first groove, rectangular notches are symmetrically formed in the left edge and the right edge of the front end surface of the right upright column body, the height of each rectangular notch is lower than that of the right upright column body, the lower end of each rectangular notch is connected with the bottom plate, a first protruding portion is arranged in front of the right upright column body, the back surface of each first protruding portion is connected with the front end surface of the right upright column body, and the width of each first protruding portion is equal to the distance between the two notches;
the connecting plate is provided with a first step and a second step, the left end of the first step is connected with the first lower support, the right end of the first step is connected with the left end of the second step, and the right end of the second step is connected with the right upright post body.
In one embodiment, a centerline of the first threaded through hole coincides with a centerline of the first upper support plate and the first lower strut.
In one embodiment, the first step and the second step are horizontal steps, the height of the first step is larger than that of the second step, the width of the first step is smaller than the distance from the right edge of the first upper support plate to the right side wall of the first lower support, and an included angle between a bevel edge connecting the first step and the second step is larger than 90 degrees.
In one embodiment, two rows of upper and lower small holes are arranged on the front end surface of the right upright post body, each row of small holes on the right upright post body respectively comprises two small holes, the central points of the two small holes positioned on the inner side in the two rows of upper and lower small holes on the right upright post body are positioned on the bilateral symmetry line of the right upright post body and are threaded holes, and the two small holes positioned on the outer side in the two rows of upper and lower small holes on the right upright post body are symmetrically arranged according to the bilateral symmetry line of the right upright post body.
In one embodiment, the first auxiliary support comprises a first auxiliary support body, a third through hole penetrating through the upper end face and the lower end face of the first auxiliary support body is arranged on the upper surface of the first auxiliary support body, a second counter bore is arranged at the upper end of the third through hole, a second groove is arranged on the front side of the second counter bore, one end of the second groove is communicated with the second counter bore, the other end of the second groove penetrates through the front end face of the first auxiliary support body, and two corner fillets at the front end of the upper surface of the first auxiliary support body are arranged.
In one embodiment, the left side surface and the right side surface of the first auxiliary support body are respectively provided with a reinforcing plate, the height of the reinforcing plate is smaller than that of the first auxiliary support body, the width of the reinforcing plate is respectively equal to that of the left side surface and the right side surface of the first auxiliary support body, and the end surfaces at two ends of the reinforcing plate are respectively located on the inner sides of the two end surfaces of the first auxiliary support body.
In one embodiment, the second auxiliary support comprises a second auxiliary support body, a cylindrical second protruding part is arranged on the front end face of the upper section of the second auxiliary support body, and a waist-shaped hole penetrating through the second protruding part and the second auxiliary support body is arranged on the front end face of the second protruding part.
In one embodiment, two rows of small holes are formed in the front end surface of the second auxiliary support body below the second protruding portion, each row of small holes in the second auxiliary support body respectively comprises two small holes, the central point of the two small holes located on the inner side in the two rows of small holes in the second auxiliary support body is located on the bilateral symmetry line of the second auxiliary support body, and the two small holes located on the outer side in the two rows of small holes in the second auxiliary support body are symmetrically arranged according to the bilateral symmetry line of the second auxiliary support body.
Compared with the prior art, the utility model provides an improved generation connecting rod welding frock, simple structure, convenient to use, low in cost places the connecting rod that needs the welding and connecting rod annex on the support that is located the base both ends, fixes the connecting rod that treats the welding and connecting rod annex through the position, shape and the size of the hole that designs on the support, facilitates the going on of follow-up welding work, has also fine assurance simultaneously that the position of the hole on the connecting rod that treats the welding and connecting rod annex satisfies the design requirement;
on the other hand, utilize the utility model provides a welding frock can change the welding of treating welded connecting rod and connecting rod annex and the processing step in hole, changes into earlier machined hole, welds connecting rod and connecting rod annex again, and like this, connecting rod and connecting rod annex separately carry out the processing in hole, and the volume of the spare part of single processing reduces greatly, great reduction to the requirement of equipment, reduced the input of purchasing the fund to equipment, be favorable to the development of enterprise.
Drawings
Fig. 1 is a schematic view of a partial sectional structure of a support according to the present invention;
fig. 2 is a schematic top view of the support of the present invention;
fig. 3 is a left side view structural schematic diagram of the right column in the base of the present invention;
fig. 4 is a schematic structural view, partially in section, of a first auxiliary bracket according to the present invention;
fig. 5 is a schematic top view of the first auxiliary stand according to the present invention;
fig. 6 is a schematic front view of a second auxiliary stand according to the present invention;
fig. 7 is a schematic top sectional view of a second auxiliary bracket according to the present invention;
fig. 8 is a schematic top view of the base according to the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 8, for convenience of description, the references of "up", "down", "left", "right", "front" and "rear" directions in the present invention are based on the directions shown in fig. 1;
the utility model provides an improved generation connecting rod welding frock, includes the base 1 of rectangle, at least two support 2 and first auxiliary stand 3 and the second auxiliary stand 4 that are used for laying connecting rod and connecting rod annex, and support 2 detachable sets up on base 1, and the central point of several support 2 is located same straight line.
In this embodiment, the support 2 comprises a rectangular bottom plate 201, a left upright column 202 and a right upright column 203 are arranged on the bottom plate 201, a connecting plate 204 is arranged between the left upright column 202 and the right upright column 203, the left end and the right end of the connecting plate 204 are respectively connected with the left upright column 202 and the right upright column 203,
a bottom plate positioning screw 2011 is arranged on the bottom plate 201, a base fixing screw 101 is arranged on the base 1, and the bottom plate positioning screw 2011 is connected with the base fixing screw 101 through a positioning screw.
Specifically, the left column 202 includes a first lower pillar 2021 and a first upper supporting plate 2022, the first lower pillar 2021 is disposed in a hollow manner, the first upper supporting plate 2022 is covered on the first lower pillar 2021, the first upper supporting plate 2022 is provided with a first threaded through hole 2023, the upper end of the first threaded through hole 2023 is provided with a first counter bore 2024, the first upper supporting plate 2022 is circular in shape, and the first counter bore 2024 is square;
the right column 203 comprises a right column body 2031, the upper surface of the right column body 2031 is provided with a first groove 2032 penetrating through the left and right side walls thereof, the center position of the first groove 2032 is provided with a second threaded hole 2033, the left and right edges of the front end surface of the right column body 2031 are symmetrically provided with rectangular notches 2034, the height of the rectangular notch 2034 is lower than the height of the right column body 2031, the lower end is connected with the bottom plate 201, the front of the right column body 2031 is provided with a first protruding part 2035, the back of the first protruding part 2035 is connected with the front end surface of the right column body 2031, and the width thereof is equal to the distance between the two notches 4;
a first step 2041 and a second step 2042 are arranged on the connecting plate 204, the left end of the first step 2041 is connected with the first lower pillar 2021, the right end of the first step 2041 is connected with the left end of the second step 2042, and the right end of the second step 2042 is connected with the right pillar body 2031.
Preferably, the center line of the first threaded through hole 2023 coincides with the center lines of the first upper supporting plate 2022 and the first lower supporting column 2021.
Preferably, the first step 2041 and the second step 2042 are horizontal steps, the height of the first step 2041 is greater than the height of the second step 2042, the width of the first step 2041 is smaller than the width of the second step 2042, the width of the first step 2041 is smaller than the distance from the right edge of the first upper supporting plate 2022 to the right side wall of the first lower supporting column 2021, and an included angle between the oblique edge connecting the first step 2041 and the second step 2042 is greater than 90 degrees.
In this embodiment, two rows of upper and lower small holes 5 are provided on the front end surface of the right column body 2031, each row of small holes 5 on the right column body 2031 includes two small holes 5, the central points of the two small holes 5 located at the inner side in the two rows of upper and lower small holes 5 on the right column body 2031 are located on the bilateral symmetry line of the right column body 2031, and are threaded holes, and the two small holes 5 located at the outer side in the two rows of upper and lower small holes 5 on the right column body 2031 are symmetrically arranged according to the bilateral symmetry line of the right column body 2031.
In this embodiment, the first auxiliary support 3 includes a first auxiliary support body 301, a third through hole 302 penetrating through an upper end surface and a lower end surface of the first auxiliary support body 301 is provided on an upper surface of the first auxiliary support body 301, a second counterbore 303 is provided on an upper end of the third through hole 302, a second groove 304 is provided on a front side of the second counterbore 303, one end of the second groove 304 is communicated with the second counterbore 303, the other end of the second groove penetrates through a front end surface of the first auxiliary support body 301, and two corner fillets at a front end of the upper surface of the first auxiliary support body 301 are provided.
Preferably, the left side surface and the right side surface of the first auxiliary stand body 301 are respectively provided with a reinforcing plate 305, the height of the reinforcing plate 305 is less than the height of the first auxiliary stand body 301, the width of the reinforcing plate 305 is respectively equal to the width of the left side surface and the width of the right side surface of the first auxiliary stand body 301, and the end surfaces of the two ends of the reinforcing plate 305 are respectively located inside the two end surfaces of the first auxiliary stand body 31.
In this embodiment, the second auxiliary stand 4 includes a second auxiliary stand body 401, a cylindrical second protrusion 402 is provided on a front end surface of an upper section of the second auxiliary stand body 401, and a waist-shaped hole 403 penetrating the second protrusion 402 and the second auxiliary stand body 401 is provided on a front end surface of the second protrusion 402.
Preferably, two rows of upper and lower small holes 5 are formed in the front end face of the second auxiliary support body 401 below the second protruding portion 402, each row of small holes 5 on the second auxiliary support body 401 includes two small holes 5, the central points of the two inner small holes 5 in the two rows of upper and lower small holes 5 on the second auxiliary support body 401 are located on the bilateral symmetry line of the second auxiliary support body 401, and the two outer small holes 5 in the two rows of upper and lower small holes 5 on the second auxiliary support body 401 are symmetrically arranged according to the bilateral symmetry line of the second auxiliary support body 401.
The utility model provides a pair of improved generation connecting rod welding frock, moreover, the steam generator is simple in structure, high durability and convenient use, low in cost, place on the support 2 that is located base 1 both ends connecting rod and connecting rod annex welded will be required, position through the hole of design on the support 2, shape and size are fixed to welded connecting rod and connecting rod annex are treated to first auxiliary stand 3 of cooperation and second auxiliary stand 4, make things convenient for going on of follow-up weldment, and simultaneously, according to the position in the hole on the design requirement adjustment support 2, shape and size, the position in hole on connecting rod after the welding and the connecting rod annex of also fine assurance satisfies the design requirement.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. An improved connecting rod welding tool is characterized by comprising a rectangular base, at least two supports for placing connecting rods and connecting rod accessories, a first auxiliary support and a second auxiliary support, wherein the supports are detachably arranged on the base, and the central points of the supports are positioned on the same straight line;
the support comprises a rectangular bottom plate, a left upright post and a right upright post are arranged on the bottom plate, a connecting plate is arranged between the left upright post and the right upright post, the left end and the right end of the connecting plate are respectively connected with the left upright post and the right upright post,
the bottom plate is provided with a bottom plate positioning screw hole, the base is provided with a base fixing screw hole, and the bottom plate positioning screw hole is connected with the base fixing screw hole through a positioning screw rod;
the left upright column comprises a first lower support and a first upper support plate, the first lower support is arranged in a hollow mode, the first upper support plate is covered on the first lower support, a first threaded through hole is formed in the first upper support plate, a first counter bore is formed in the upper end of the first threaded through hole, the first upper support plate is circular in appearance, and the first counter bore is square;
the right upright column comprises a right upright column body, a first groove penetrating through the left side wall and the right side wall of the right upright column body is formed in the upper surface of the right upright column body, a second threaded hole is formed in the center of the first groove, rectangular notches are symmetrically formed in the left edge and the right edge of the front end surface of the right upright column body, the height of each rectangular notch is lower than that of the right upright column body, the lower end of each rectangular notch is connected with the bottom plate, a first protruding portion is arranged in front of the right upright column body, the back surface of each first protruding portion is connected with the front end surface of the right upright column body, and the width of each first protruding portion is equal to the distance between the two notches;
a first step and a second step are arranged on the connecting plate, the left end of the first step is connected with the first lower support, the right end of the first step is connected with the left end of the second step, and the right end of the second step is connected with the right upright body;
the first auxiliary support comprises a first auxiliary support body, a third through hole penetrating through the upper end face and the lower end face of the first auxiliary support body is formed in the upper surface of the first auxiliary support body, a second counter bore is formed in the upper end of the third through hole, a second groove is formed in the front side of the second counter bore, one end of the second groove is communicated with the second counter bore, the other end of the second groove penetrates through the front end face of the first auxiliary support body, and two corners of the front end of the upper surface of the first auxiliary support body are provided with round corners;
the second auxiliary support comprises a second auxiliary support body, a cylindrical second protruding portion is arranged on the front end face of the upper section of the second auxiliary support body, and a waist-shaped hole penetrating through the second protruding portion and the second auxiliary support body is formed in the front end face of the second protruding portion.
2. The improved connecting rod welding tool according to claim 1, wherein a center line of the first threaded through hole coincides with center lines of the first upper supporting plate and the first lower support.
3. The improved connecting rod welding tool according to claim 2, wherein the first step and the second step are horizontal steps, the height of the first step is larger than that of the second step, the width of the first step is smaller than that of the second step, the distance from the right edge of the first upper support plate to the right side wall of the first lower support column is smaller than that of the first upper support plate, and an included angle between a bevel edge connecting the first step and the second step is larger than 90 degrees.
4. The improved connecting rod welding tool according to claim 3, wherein an upper row of small holes and a lower row of small holes are formed in the front end face of the right stand column body, each row of small holes in the right stand column body respectively comprises two small holes, center points of the two small holes on the inner side in the upper row of small holes and the lower row of small holes in the right stand column body are located on a bilateral symmetry line of the right stand column body and are threaded holes, and the two small holes on the outer side in the upper row of small holes and the lower row of small holes in the right stand column body are symmetrically arranged according to the bilateral symmetry line of the right stand column body.
5. The improved connecting rod welding tool according to claim 1, wherein reinforcing plates are respectively arranged on the left side surface and the right side surface of the first auxiliary support body, the height of each reinforcing plate is smaller than that of the first auxiliary support body, the width of each reinforcing plate is respectively equal to that of the left side surface and that of the right side surface of the first auxiliary support body, and the end surfaces at two ends of each reinforcing plate are respectively located on the inner sides of the two end surfaces of the first auxiliary support body.
6. The improved connecting rod welding tool according to claim 1, wherein an upper row and a lower row of small holes are formed in a front end face of the second auxiliary support body below the second protruding portion, each row of small holes in the second auxiliary support body respectively comprises two small holes, center points of two small holes located on an inner side in the upper row and the lower row of small holes in the second auxiliary support body are located on a bilateral symmetry line of the second auxiliary support body, and two small holes located on an outer side in the upper row and the lower row of small holes in the second auxiliary support body are symmetrically arranged according to the bilateral symmetry line of the second auxiliary support body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023057917.5U CN214641327U (en) | 2020-12-17 | 2020-12-17 | Improved generation connecting rod welding frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023057917.5U CN214641327U (en) | 2020-12-17 | 2020-12-17 | Improved generation connecting rod welding frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214641327U true CN214641327U (en) | 2021-11-09 |
Family
ID=78500865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023057917.5U Active CN214641327U (en) | 2020-12-17 | 2020-12-17 | Improved generation connecting rod welding frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214641327U (en) |
-
2020
- 2020-12-17 CN CN202023057917.5U patent/CN214641327U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108406199A (en) | A kind of welding tooling ensureing tempered glass chassis plane degree | |
| CN214641327U (en) | Improved generation connecting rod welding frock | |
| CN214291512U (en) | Connecting rod welding tool | |
| CN214641328U (en) | Simple connecting rod welding tool | |
| CN207723768U (en) | A kind of fork truck gear shelf manipulator tool for welding mold | |
| CN214212684U (en) | Novel connecting rod welding tool | |
| CN113084546B (en) | Telescopic boom forklift frame vertical plate boring tool clamp | |
| CN214769933U (en) | Tool for welding steering gear box bracket | |
| CN211991884U (en) | Clamp for cutting ball seat | |
| CN213080748U (en) | Frock clamp for machining | |
| CN211193464U (en) | Clamping tool for beveling pipe for ship | |
| CN210908750U (en) | Auxiliary tool clamp for machining | |
| CN213135611U (en) | Safety frame leg welding workbench | |
| CN212600338U (en) | Slide rail for machine tool | |
| CN221110482U (en) | Be used for elevator right angle support robot welding positioner | |
| CN218891396U (en) | Scraper bowl welding frock | |
| CN221817797U (en) | Combined welding tool for connecting lug plates | |
| CN216576302U (en) | Simple and easy assembly welding frock of box | |
| CN217572010U (en) | Sample plate tool and numerical control cutting system for preparing end pressing plate supporting legs | |
| CN216179908U (en) | Product processing product detection tool | |
| CN217072091U (en) | Workpiece combined operation device | |
| CN205733582U (en) | A kind of frame attachment plate welding positioning tool | |
| CN215509723U (en) | MJ3 series frame welding jig | |
| CN214054221U (en) | Guide bar welding auxiliary tool | |
| CN218193483U (en) | Jig for welding tire of three driving frames |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |