CN115555823A - Adjustment mechanism and crane span structure installation frock - Google Patents
Adjustment mechanism and crane span structure installation frock Download PDFInfo
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- CN115555823A CN115555823A CN202211270912.1A CN202211270912A CN115555823A CN 115555823 A CN115555823 A CN 115555823A CN 202211270912 A CN202211270912 A CN 202211270912A CN 115555823 A CN115555823 A CN 115555823A
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- telescopic driving
- driving piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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Abstract
The application relates to mounting tool technical field especially relates to an adjustment mechanism and crane span structure installation frock, and this adjustment mechanism includes: the first telescopic driving piece, the rocker assembly, the second telescopic driving piece and the third telescopic driving piece are arranged on the base; the telescopic directions of the first telescopic driving piece, the second telescopic driving piece and the third telescopic driving piece are respectively arranged along a first direction, a second direction and a third direction; the first telescopic driving piece telescopically drives the rocker to swing, so that the position of the piece to be adjusted in the first direction is adjusted in a swinging manner; the second telescopic driving piece stretches and retracts to drive the position of the piece to be adjusted in the second direction to be adjusted; the third telescopic driving piece stretches and retracts to drive the position of the piece to be adjusted in a third direction; in conclusion, the adjusting mechanism of the application can realize the position adjustment of the piece to be adjusted in three directions.
Description
Technical Field
The application relates to the technical field of mounting tools, in particular to an adjusting mechanism and a bridge mounting tool.
Background
The main driving mechanical structure of the heading machine is mostly a circular structure, and the main bearings of different specifications correspond to the main driving structures of different diameters. The arrangement of the bridge on the main drive is mostly in a sectional circumferential arrangement; variable diameter bridges are typically made up of multiple bridge individual pieces assembled together. The bridge with the variable diameter is used for the wiring occasions of circumferential structures with various diameters, and the arrangement on main driving structures with various diameters can be realized. When the existing variable-diameter bridge is installed on main driving structures with different diameters, most of operations are that a plurality of bridge single pieces are firstly detached from the initial-diameter main driving structure respectively and then are respectively hoisted and installed on the main driving structure after diameter change.
Because the specifications of a main drive and a main bearing of the existing tunneling machine are more, and the design of the main drive and the main bearing is biased to the large-diameter structural design, the number of bridge single pieces required to be installed is relatively large, and the existing dismounting, hoisting and installing mode is not only low in efficiency, but also poor in safety.
In summary, it is important for those skilled in the art to develop a tooling for mounting and adjusting a single bridge and a variable-diameter bridge.
Disclosure of Invention
The invention provides an adjusting mechanism which realizes position adjustment of a piece to be adjusted in three directions.
The technical scheme provided by the invention is as follows:
an adjustment mechanism, comprising: the first telescopic driving piece, the rocker assembly, the second telescopic driving piece and the third telescopic driving piece are arranged on the base;
the rocker assembly includes: the first fulcrum and the rocker can be rotatably connected with the first fulcrum;
the first telescopic driving piece is arranged along a first direction, and the output end of the first telescopic driving piece is provided with a second fulcrum;
the rocker and the second telescopic driving piece are arranged along a second direction, one end of the rocker is rotatably connected to the second fulcrum, and the other end of the rocker is connected with the second telescopic driving piece; the output end of the second telescopic driving piece is provided with a third fulcrum;
the third telescopic driving piece is arranged along a third direction, one end of the third telescopic driving piece is connected to a third fulcrum, and the output end of the third telescopic driving piece is used for being connected with the piece to be adjusted;
the rocker and the second telescopic driving piece are driven by the first telescopic driving piece to stretch, and the second telescopic driving piece rotates around the first fulcrum and the second fulcrum along with the rocker to swing;
the second telescopic driving piece is used for adjusting the position of the piece to be adjusted in a second direction;
the third telescopic driving piece is used for adjusting the position of the piece to be adjusted in a third direction.
Further, the first direction, the second direction and the third direction are respectively arranged in the X, Y and the Z direction of the three-dimensional coordinate axis.
Furthermore, the first fulcrum is a first support, and a first hinge point or a first pin joint point is arranged on the first support; the rocker is connected to the first hinge point or the first pin joint point; the first support is used for providing deflection support for the rocker.
Furthermore, the second fulcrum is a second support, a second hinge point or a second pin joint point is arranged on the second support, and one end of the rocker is connected to the second hinge point or the second pin joint point;
the first telescopic driving piece drives the second support to stretch and retract along the first direction.
Further, the first support and the second support are arranged in parallel along the first direction. The rocker is provided with a strip-shaped groove along the second direction, and the first hinge point or the first pin joint of the first support is arranged in the strip-shaped groove.
Furthermore, the third pivot comprises a third support, one end of the third support is provided with a first mounting groove, and the other end of the third support is provided with a second mounting groove; the output end of the second telescopic driving piece is installed in the first installation groove, and one end of the third telescopic driving piece is installed in the second installation groove.
Furthermore, the first telescopic driving piece, the second telescopic driving piece and the third telescopic driving piece are all oil cylinders and/or air cylinders.
And the output end of the third telescopic driving piece is provided with a connecting plate used for being connected with an external part to be regulated. The connecting plate is provided with a fixing seat, a third mounting groove is formed in the fixing seat, and the output end of the third telescopic driving piece is installed in the third mounting groove.
The application still provides a crane span structure installation frock, includes: a mounting plate and a plurality of said adjustment mechanisms; the adjusting mechanisms are arranged on the mounting plate along the same circumferential direction.
Further, a first telescopic driving piece in the adjusting mechanism is arranged along the tangential direction of the circumference; a second telescopic driving piece in the adjusting mechanism is arranged along the radial direction of the circumference; and a third telescopic driving piece in the adjusting mechanism is arranged along the axial direction of the circumference.
Furthermore, the whole bridge frame is formed by splicing a plurality of bridge frame single pieces; the number of the adjusting mechanisms is the same as that of the bridge single pieces.
Has the advantages that:
the application provides an adjustment mechanism includes: the first telescopic driving piece, the rocker assembly, the second telescopic driving piece and the third telescopic driving piece are arranged on the base; the telescopic directions of the first telescopic driving piece, the second telescopic driving piece and the third telescopic driving piece are respectively arranged along a first direction, a second direction and a third direction; the first telescopic driving piece telescopically drives the rocker to swing, so that the position of the piece to be adjusted in the first direction is adjusted in a swinging manner; the second telescopic driving piece stretches and retracts to drive the position of the piece to be adjusted in the second direction to be adjusted; the third telescopic driving piece stretches and retracts to drive the position of the piece to be adjusted in a third direction; in conclusion, the adjusting mechanism of the application can realize the position adjustment of the piece to be adjusted in three directions.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of an adjustment mechanism of the present application;
FIG. 2 is a schematic structural diagram of a bridge mounting fixture of the present application;
FIG. 3 is a schematic structural view of the bridge mounting fixture of FIG. 2 in an operating state;
FIG. 4 is a schematic structural view of the bridge mounting fixture of FIG. 2 in a non-operating state;
FIG. 5 is a schematic view of the bridge mounting tooling of FIG. 2 employing a single bridge mounting member;
reference numerals: 10, a first oil cylinder, 20, a rocker assembly, 21, a first support, 22, a rocker, 23, a strip-shaped groove, 30, a second oil cylinder, 31, a second support, 40, a third oil cylinder, 41, a third support, 42, a connecting plate, 100, an adjusting mechanism, 200, a mounting disc, 300, a bridge single piece, 400 and a support seat.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. 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 application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and 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 considered as limiting the present application.
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 application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, are not essential to the technology, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
Referring to fig. 1-4, the present invention provides an adjustment mechanism comprising: the first telescopic driving piece, the rocker assembly, the second telescopic driving piece and the third telescopic driving piece are arranged on the base; the rocker assembly 20 includes: a first fulcrum, and a rocker 22 rotatably connected to the first fulcrum; the first telescopic driving piece is arranged along a first direction, and the output end of the first telescopic driving piece is provided with a second fulcrum; the rocker and the second telescopic driving piece are arranged along a second direction, one end of the rocker is rotatably connected to the second fulcrum, and the other end of the rocker is connected with the second telescopic driving piece; the output end of the second telescopic driving piece is provided with a third fulcrum; the third telescopic driving piece is arranged along a third direction, one end of the third telescopic driving piece is connected to a third fulcrum, and the output end of the third telescopic driving piece is used for being connected with the piece to be adjusted; the rocker and the second telescopic driving piece are driven by the first telescopic driving piece to stretch, and the second telescopic driving piece rotates around the first fulcrum and the second fulcrum along with the rocker to swing; the second telescopic driving piece is used for adjusting the position of the piece to be adjusted in a second direction; the third telescopic driving piece is used for adjusting the position of the piece to be adjusted in a third direction.
In the scheme, the extension and retraction directions of the first extension and retraction driving part, the second extension and retraction driving part and the third extension and retraction driving part are respectively arranged along a first direction, a second direction and a third direction; the first telescopic driving piece is used for driving the rocker to deflect in a telescopic mode, so that the position of the piece to be adjusted in the first direction can be adjusted in a swinging mode; the second telescopic driving piece stretches and retracts to drive the position of the piece to be adjusted in the second direction to be adjusted; the third telescopic driving piece stretches and retracts to drive the position of the piece to be adjusted in a third direction; in conclusion, the adjusting mechanism of the application can realize the position adjustment of the piece to be adjusted in three directions.
As a preferred embodiment, the first direction, the second direction and the third direction are respectively arranged in X, Y and Z direction of the three-dimensional coordinate axis. More preferably, the telescopic direction of the first telescopic driving member in the adjusting mechanism is arranged along the tangential direction of the circumference, the telescopic direction of the second telescopic driving member is arranged along the radial direction of the circumference, and the telescopic direction of the third telescopic driving member is arranged along the axial direction of the circumference.
In the scheme, the first telescopic driving piece drives the rocker to deflect so as to drive the second telescopic driving piece and the third telescopic driving piece to swing in the circumferential direction, so that the position of the adjusting mechanism in the circumferential direction can be adjusted conveniently, and the to-be-adjusted piece can be connected conveniently and deflection adjustment in the circumferential direction of the to-be-adjusted piece can be realized; the third telescopic driving piece is telescopic, so that the position of the adjusting mechanism in the axial direction can be adjusted conveniently, the piece to be adjusted can be connected conveniently, and the position of the piece to be adjusted in the axial direction can be adjusted conveniently; the second telescopic driving piece stretches, so that the position of the adjusting mechanism in the radial direction can be adjusted conveniently, the position of the to-be-adjusted piece in the radial direction can be adjusted, and the diameter of the to-be-adjusted piece in the circumferential direction can be variably controlled.
As a possible embodiment, the first fulcrum is a first support 21, and a first hinge point or a first pin joint point is arranged on the first support; the rocker 22 is connected to a first hinge point or a first pin joint point; the first support is used for providing deflection support for the rocker.
The second fulcrum is a second support 31, a second hinge point or a second pin joint point is arranged on the second support, and one end of the rocker 21 is connected to the second hinge point or the second pin joint point; the first telescopic driving piece drives the second support to stretch and retract along the first direction.
Referring to fig. 1, a strip-shaped groove 23 is formed in the rocker 22 along the second direction, and a first hinge point or a first pin joint of the first support 21 is mounted in the strip-shaped groove 23. The structural arrangement of the strip-shaped groove is favorable for adjusting the installation position of a first hinge point or a first pin joint point in the first support. The first support and the second support are arranged in parallel along the first direction; meanwhile, the first support is fixedly connected to an external supporting point to provide a stable support for the rotation and deflection of the rocker.
The third supporting point comprises a third supporting seat 41, one end of the third supporting seat is provided with a first mounting groove, and the other end of the third supporting seat is provided with a second mounting groove; the output end of the second telescopic driving piece is installed in the first installation groove, and one end of the third telescopic driving piece is installed in the second installation groove.
As a preferred embodiment, the first telescopic driving member, the second telescopic driving member and the third telescopic driving member are all oil cylinders and/or air cylinders. In the preferred embodiment, the first, second and third telescopic driving members are the first, second and third cylinders 10, 30 and 40, respectively. More preferably, the output end of the third telescopic drive member is provided with a connecting plate 42 for connection with an external member to be adjusted. The connecting plate is provided with a fixed seat, the fixed seat is provided with a third mounting groove, and the output end of a third telescopic driving piece is mounted in the third mounting groove. The connecting plate increases the connecting contact surface with waiting to adjust the piece, connects when firm, has increased the operating space who is connected with waiting to adjust the piece. Specifically, the connecting plate of this embodiment is a common panel structure, and the panel is provided with a connecting hole, preferably a bar-shaped through hole, and passes through the bar-shaped through hole through a bolt to be connected with the part to be adjusted.
Referring to fig. 2-5, the present application further provides a bridge mounting tool, including: a mounting plate 200 and a plurality of the above-described adjustment mechanisms 100; the adjusting mechanisms are arranged on the mounting plate along the same circumferential direction. The whole bridge frame is formed by splicing a plurality of sections of bridge frame single pieces 300; the number of the adjusting mechanisms is the same as that of the bridge single pieces.
A first support in the adjusting mechanism is fixedly arranged on the mounting disc, and a plurality of adjusting mechanisms are respectively and correspondingly connected with a plurality of sections of bridge frames through respective connecting plates to be adjusted and mounted.
A first telescopic driving piece in the adjusting mechanism is arranged along the tangential direction of the circumference; a second telescopic driving piece in the adjusting mechanism is arranged along the radial direction of the circumference; and a third telescopic driving piece in the adjusting mechanism is arranged along the axial direction of the circumference.
In the scheme, the first telescopic driving piece of the adjusting mechanism drives the rocker to swing, so that the second telescopic driving piece and the third telescopic driving piece are driven to swing in the circumferential direction, the adjustment of the position of the adjusting mechanism in the circumferential direction is facilitated, and the bridge single piece is conveniently connected and the swing adjustment of the bridge single piece in the circumferential direction is realized; the third telescopic driving piece is telescopic, so that the position of the adjusting mechanism in the axial direction can be adjusted conveniently, and the single bridge frame can be connected conveniently and the position of the single bridge frame in the axial direction can be adjusted; the second telescopic driving piece stretches and retracts, so that the position of the adjusting mechanism in the radial direction can be adjusted conveniently, the position of the to-be-adjusted piece in the radial direction can be adjusted, and the diameter of the bridge frame single piece in the circumferential direction can be variably controlled.
When the tool is used, each bridge single piece in the bridge can be correspondingly fixed on a plurality of adjusting mechanisms on the tool, so that the use frequency of a hoisting tool during the mounting and dismounting of the bridge is effectively reduced; meanwhile, the sliding groove type rocker is matched with the first oil cylinder for use, so that the circumferential angle change of the adjusting mechanism is realized, and each adjusting mechanism in the tool can adapt to the connection of different bridge frame single pieces in a circumferential certain angle range; the plurality of adjusting mechanisms are correspondingly connected with each section of bridge single piece in the diameter-variable bridge; the synchronous radial jacking and retracting of each section of bridge frame single piece can be realized, and the working efficiency of dismounting when the bridge frame single piece moves from the initial circumference to the reducing circumference is greatly improved.
As a preferred embodiment, the mounting disc is a circular disc, and a circular through hole with concentric circles is formed in the circular disc to form a circular disc structure, so that the material cost is saved; the plurality of adjusting mechanisms are respectively arranged in the circumferential direction of the concentric circles; the telescopic directions of the first telescopic driving parts of the multiple adjusting mechanisms are respectively arranged along the circumferential tangential direction of the concentric circles. When the bridge mounting tool is used, the mounting disc is mounted on the supporting seat 400 provided outside, the outer supporting seat is provided with the arc mounting groove face matched with the disc structure mounting disc, and the mounting disc is arranged on the arc mounting groove face of the supporting seat.
It should be noted that the bridge mounting tool further comprises an existing controller, the first oil cylinder, the second oil cylinder and the third oil cylinder are all connected with the controller, an existing hydraulic and electrical control system is arranged in the controller, an existing editable control program and a control instruction for controlling the telescopic stroke of the oil cylinders are contained in the hydraulic combined electrical control system, and the driving telescopic stroke of the first oil cylinder, the second oil cylinder and the third oil cylinder is controlled through the existing control program and the control instruction.
The application embodiment of the bridge mounting tool comprises the following steps:
the first oil cylinder, the second oil cylinder and the third oil cylinder of each adjusting mechanism are controlled by a controller to respectively move in a telescopic manner, so that the connecting plates of each adjusting mechanism are respectively close to each bridge single piece of the whole bridge; the controller further controls the fine adjustment of the first oil cylinder, the second oil cylinder and the third oil cylinder to enable the connecting through holes of the connecting plates to be aligned to the fixing plate holes in the bottom of the bridge single piece; fixedly connecting the connecting plate and the fixing plate of the single bridge frame by bolts through the connecting through holes and the holes of the fixing plate; then the single bridge frame piece and the fixing bolt of the initial diameter main driving structure are removed;
calculating the radius difference before and after diameter changing to obtain the stroke distance of jacking or retracting of the single bridge frame part after diameter changing; the hydraulic and electric system controls the second oil cylinder to extend or contract corresponding stroke distance, so that each bridge single piece moves to the circumference of the end state after diameter change in a radial and integral manner; the controller further controls the first oil cylinder, the second oil cylinder and the third oil cylinder to perform fine adjustment movement, so that the single bridge frame piece is aligned with the bottom plate hole on the reducing main driving structure, and the single bridge frame piece and the bottom plate of the reducing main driving structure are fixed through bolts; and finally, removing the fixing bolt between the connecting plate and the single bridge frame piece to finish the reducing installation of the whole bridge frame.
When the bridge mounting tool is not used, the second oil cylinder and the third oil cylinder are controlled to retract, the first oil cylinder is controlled to extend, the rocker swings to the maximum angle, each adjusting mechanism on the tool can be effectively folded, and the occupied space is reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, and is provided in the light of the foregoing description of the disclosed embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An adjustment mechanism, comprising: the device comprises a first telescopic driving part, a rocker component, a second telescopic driving part and a third telescopic driving part;
the rocker assembly includes: the first fulcrum and the rocker can be rotatably connected with the first fulcrum;
the first telescopic driving piece is arranged along a first direction, and the output end of the first telescopic driving piece is provided with a second fulcrum;
the rocker and the second telescopic driving piece are arranged along a second direction, one end of the rocker is rotatably connected to the second fulcrum, and the other end of the rocker is connected with the second telescopic driving piece; the output end of the second telescopic driving piece is provided with a third fulcrum;
the third telescopic driving piece is arranged along a third direction, one end of the third telescopic driving piece is connected to a third fulcrum, and the output end of the third telescopic driving piece is used for being connected with the piece to be adjusted;
the rocker and the second telescopic driving piece are driven by the first telescopic driving piece to stretch, and the second telescopic driving piece rotates around the first fulcrum and the second fulcrum along with the rocker to swing;
the second telescopic driving piece is used for adjusting the position of the piece to be adjusted in a second direction;
the third telescopic driving piece is used for adjusting the position of the piece to be adjusted in a third direction.
2. The adjustment mechanism of claim 1, wherein the first, second and third directions are aligned with X, Y and the Z direction, respectively, of a three-dimensional coordinate axis.
3. The adjustment mechanism of claim 2, wherein the first fulcrum is a first support, and the first support is provided with a first hinge point or a first pin joint point; the rocker is connected to the first hinge point or the first pin joint point; the first support is used for providing deflection support for the rocker.
4. The adjusting mechanism according to claim 3, wherein the second fulcrum is a second support, the second support is provided with a second hinge point or a second pin joint point, and one end of the rocker is connected to the second hinge point or the second pin joint point;
the first telescopic driving piece drives the second support to stretch along the first direction.
5. The adjustment mechanism of claim 4, wherein the first and second abutments are arranged in parallel along the first direction.
6. The adjustment mechanism of claim 5, wherein the third pivot comprises a third support, the third support having a first mounting slot at one end and a second mounting slot at the other end; the output end of the second telescopic driving piece is installed in the first installation groove, and one end of the third telescopic driving piece is installed in the second installation groove.
7. An adjustment mechanism according to any of claims 1-6, characterized in that the first telescopic drive member, the second telescopic drive member and the third telescopic drive member are all oil and/or air cylinders.
8. A bridge mounting tooling including the adjustment mechanism of any one of claims 1-7, comprising: mounting a disc; the adjusting mechanisms are arranged on the mounting plate along the same circumferential direction.
9. The bridge mounting tooling of claim 8, wherein the first telescoping actuation member of the adjustment mechanism is circumferentially disposed; a second telescopic driving piece in the adjusting mechanism is arranged along the radial direction of the circumference; and a third telescopic driving piece in the adjusting mechanism is arranged along the axial direction of the circumference.
10. The bridge mounting tooling of claim 9, wherein the bridge is integrally formed by splicing a plurality of bridge sections; the number of the adjusting mechanisms is the same as that of the bridge single pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211270912.1A CN115555823A (en) | 2022-10-17 | 2022-10-17 | Adjustment mechanism and crane span structure installation frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211270912.1A CN115555823A (en) | 2022-10-17 | 2022-10-17 | Adjustment mechanism and crane span structure installation frock |
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| Publication Number | Publication Date |
|---|---|
| CN115555823A true CN115555823A (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211270912.1A Pending CN115555823A (en) | 2022-10-17 | 2022-10-17 | Adjustment mechanism and crane span structure installation frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117047523A (en) * | 2023-09-06 | 2023-11-14 | 广州德力数控设备有限公司 | Large-stroke aircraft tail wing processing machine tool |
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2022
- 2022-10-17 CN CN202211270912.1A patent/CN115555823A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117047523A (en) * | 2023-09-06 | 2023-11-14 | 广州德力数控设备有限公司 | Large-stroke aircraft tail wing processing machine tool |
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