CN219852792U - Welding production line for tunnel steel arch connecting plates - Google Patents
Welding production line for tunnel steel arch connecting plates Download PDFInfo
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- CN219852792U CN219852792U CN202321344739.5U CN202321344739U CN219852792U CN 219852792 U CN219852792 U CN 219852792U CN 202321344739 U CN202321344739 U CN 202321344739U CN 219852792 U CN219852792 U CN 219852792U
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Abstract
The utility model relates to a welding production line for a tunnel steel arch connecting plate, and belongs to the technical field of tunnel steel arch production. The welding machine comprises a raw material conveying frame, a cold bending front conveying frame, a section steel cold bending machine, a transition material supporting frame, a welding front conveying frame, a welding machine and a conveying trolley, wherein the raw material conveying frame, the cold bending front conveying frame, the section steel cold bending machine, the transition material supporting frame and the welding front conveying frame are sequentially arranged, the welding machine is positioned between the welding front conveying frame and the rear conveying frame, the conveying trolley is used for transferring cut-off workpieces step by step among the welding front conveying frame, the welding machine and the rear conveying frame, and the welding machine is used for automatically welding steel arch I-shaped steel and a connecting plate. The beneficial effects are that: the steel arch is connected from feeding to welding completion, an uninterrupted assembly line is formed, automatic welding production of the steel arch is realized, and production efficiency is improved.
Description
Technical Field
The utility model relates to a welding production line for a tunnel steel arch connecting plate, and belongs to the technical field of tunnel steel arch production.
Background
In a plurality of schemes of tunnel supporting construction, tunnel arch construction is most important for tunnel safety, the tunnel arch has certain strength, can resist bending, has harder self-texture, and can obviously improve the working environment in a tunnel after the tunnel arch is constructed and formed. The tunnel arch is generally formed by assembling a plurality of arch segments into a whole, and the arch segments are generally prefabricated in advance in a factory according to the design size of the tunnel, and are transported to the site for assembly after the prefabrication of the arch segments is completed. The arch section of the tunnel arch comprises arch section steel, and connecting plates are welded at two ends of the arch section steel.
The welding work of the arch frame sections of the existing tunnel arch frames is completed by manual welding at least 99.99 percent. The existing method has low efficiency, uncontrollable quality, high labor intensity of workers and serious body injury. Meanwhile, the existing welding robot has a small operation range, and is one of reasons for not adopting the welding robot to replace manual welding of tunnel arches.
Patent number is CN 202210092383.4's patent application discloses a tunnel bow member welding robot, including welding equipment and bow member installation frock I and bow member installation frock II that are located the welding equipment both sides, welding equipment includes fixed welding mechanism and walking welding mechanism, be provided with clear rifle station between fixed welding mechanism and the walking welding mechanism, walking welding mechanism is including the first walking ground rail that sets up along bow member installation frock I length direction and the first slip table that walks along first walking ground rail, install first welding robot on the first slip table, fixed welding mechanism includes the second welding robot, the second welding robot passes through the base and installs subaerial, clear rifle station is in between second welding robot and the first walking ground rail.
Although the welding function can be realized in the above patent, the prior art is not fully considered, and has the following disadvantages:
1. only the welding operation can be completed, the connection between the feeding and welding is lacking, an uninterrupted assembly line cannot be formed, and the production efficiency is low.
The interval between the C-type position changing machines is not adjustable, and is not suitable for workpieces with different lengths
3. The lack of a centering device does not assist the first welding robot in rapidly positioning the welding position.
What is needed is a welding production line for connecting plates of tunnel steel arches, which realizes the connection of the steel arches from feeding to welding completion, forms an uninterrupted assembly line, realizes the automatic welding production of the section steel arches, and improves the production efficiency.
Disclosure of Invention
In order to solve one of the above problems, according to the above shortcomings in the prior art, the present utility model aims to solve the technical problems: how to realize the connection of steel arch from the material loading to the welding completion, form incessant assembly line, realize the automatic welding production of shaped steel arch, improved production efficiency, provide a tunnel steel arch connecting plate welding production line for this reason.
The utility model discloses a welding production line for a tunnel steel arch connecting plate, which is characterized by comprising a raw material conveying frame, a cold bending front conveying frame, a steel cold bending machine, a transition material supporting frame and a welding front conveying frame which are sequentially arranged, wherein the raw material conveying frame is used for temporarily storing raw materials of I-steel to be bent, the raw materials of the I-steel to be bent are conveyed to the steel cold bending machine through the cold bending front conveying frame, the steel cold bending machine is used for automatically bending the I-steel to be bent, the bent I-steel is conveyed to the feeding side of the welding front conveying frame through the transition material supporting frame, the transition material supporting frame is used for receiving the discharging of the steel cold bending machine, a cutting robot used for cutting the bent I-steel at the discharging position of the transition material supporting frame is arranged on one side of the transition material supporting frame, and the welding machine between the welding front conveying frame and the rear conveying frame and the conveying trolley used for gradually conveying cut-off workpieces among the welding front conveying frame, the welding machine and the rear conveying frame are used for automatically welding the I-steel of the steel arch connecting plate.
The worker lifts and places the I-steel raw material on a raw material conveying frame, and drives a chain to convey the I-steel forwards through a motor on the raw material conveying frame;
bending and forming the I-steel according to the set size by using a profile steel cold bending machine; the cold-formed I-steel is conveyed backwards by a transition material supporting frame; the cutting robot is responsible for cutting off the I-steel according to the length of the workpiece;
the cut I-steel is conveyed to a conveying frame at the front end of the welding machine by a material supporting frame, and the variable frequency motors at the two ends of the conveying frame at the front end of the welding machine drive chains to move forwards respectively and are transferred to a feeding position at the other end of the conveying frame;
firstly, manually rivet-welding the connecting plate at a feeding position according to the position requirements of the connecting plate and the section steel;
conveying the section steel arch to be welded by the conveying trolley to a rear welding machine, wherein the welding machine is used for automatically welding the section steel of the section steel arch and the connecting plate, and conveying the section steel arch which is welded by the conveying trolley welding machine to the rear conveying frame; and starting feeding of the second workpiece, and repeating the steps.
Preferably, the conveying trolley comprises a first sliding rail which is consistent with the conveying direction of the conveying frame at the front end of the welding, a first conveying frame is arranged on the first sliding rail in a sliding manner, a first travelling driving device which drives the first conveying frame to reciprocate along the length direction of the first sliding rail is arranged on the first conveying frame, a lifting type transfer material dragging frame is arranged at the top of the first conveying frame, stop block positioning blocks for positioning workpieces are respectively arranged at four corners of the lifting type transfer material dragging frame, positioning grooves for accommodating the workpieces are formed between two adjacent positioning blocks at the same end of the lifting type transfer material dragging frame, two oppositely arranged electromagnets for absorbing the workpieces are further arranged in the middle of the upper surface of the lifting type transfer material dragging frame, positioning gaps for accommodating the workpieces are formed between the two electromagnets, and the electromagnets are used for absorbing and fixing the transferred workpieces after being electrified. The conveying trolley is used for transferring among the front welding end conveying frame, the welding machine and the rear conveying frame step by step, and the concrete flow is as follows, firstly, the height of the lifting type transfer material dragging frame is reduced, the lifting type transfer material dragging frame is transferred to the lower part of a workpiece to be transferred positioned on the front welding end conveying frame through the first conveying frame, then the height of the lifting type transfer material dragging frame is lifted, the lifting type transfer material dragging frame lifts the workpiece to be transferred, the workpiece to be transferred is separated from the front welding end conveying frame, then the first conveying frame is driven to transfer to the feeding side of the welding machine, the height of the lifting type transfer material dragging frame is reduced again, the welding machine receives incoming materials, then the first conveying frame is driven to reset, the work of the welding machine is not interfered, and the welding machine is started to finish the automatic welding of the steel arch I-beam and the connecting plate;
then transfer the lifting transfer and drag the work piece below of waiting to transfer on the welding machine with the lifting transfer and drag the work piece, then promote the lifting transfer and drag the height of work piece, lift up the lifting transfer and drag the work piece with waiting to transfer, break away from the welding machine with waiting to transfer the work piece, then drive first delivery carriage to transfer to the feed side of back delivery carriage, reduce the lifting transfer again and drag the height of work piece, back delivery carriage accepts the incoming material, drive first delivery carriage reset at last.
Preferably, the first conveying frame is provided with a lifting driving mechanism for driving the lifting type transfer material dragging frame to lift and a lifting guiding mechanism for guiding the lifting type transfer material dragging frame to lift, so that the lifting requirement is met.
Preferably, the first travel driving device comprises a first gear motor fixed on the first conveying frame, a first driving gear is arranged on a power output shaft of the first gear motor, and a first rack which is parallel to the first sliding rail and meshed with the first driving gear is arranged between the two first sliding rails.
Preferably, the welding machine for the steel arch I-steel and the connecting plate comprises a first welding unit and a second welding unit which are oppositely arranged, the first welding unit comprises a second slide rail which is arranged on one side of the first slide rail and is perpendicular to the length direction of the first slide rail, a second conveying frame is arranged on the second slide rail in a sliding mode, a first C-shaped transformer used for clamping a workpiece and driving the workpiece to rotate, a first welding robot used for welding the steel arch I-steel and the connecting plate, and a second walking driving device used for driving the second conveying frame to reciprocate along the length direction of the second slide rail are fixed on the second conveying frame. The first C-shaped positioner is of an existing structure, and the second slide rail is matched with the second conveying frame, so that the distance between the two groups of C-shaped shifters is adjustable, and the first C-shaped positioner is suitable for workpieces with different lengths.
Preferably, the second walking driving device comprises a second gear motor fixed on the second conveying frame, a second driving gear is arranged on a power output shaft of the second gear motor, and a second rack which is parallel to the second sliding rail and meshed with the second driving gear is arranged between two adjacent second sliding rails.
Preferably, the second conveying frame is further provided with a first section steel centering device, the first section steel centering device comprises a centering bracket fixed on the feeding side of the first C-shaped transformer and a push-pull cylinder for driving the fourth sliding rail to move along the length direction of the centering push plate, the centering push plate is driven to be close to or far away from the centering bracket through the push-pull cylinder, and the first welding robot is assisted to quickly position a welding position through additionally arranging the centering device, so that welding processing is completed.
Preferably, the second welding unit and the first welding unit are identical in structure and synchronously move, the welding unit comprises a third sliding rail which is positioned on the other side of the first sliding rail and is perpendicular to the length direction of the first sliding rail, a third conveying frame is slidably arranged on the third sliding rail, a second C-shaped positioner used for clamping a workpiece and driving the workpiece to rotate, a second welding robot used for welding steel arch I-shaped steel and a connecting plate, and a third walking driving device used for driving the third conveying frame to reciprocate along the length direction of the third sliding rail are fixed on the third conveying frame.
Preferably, the third walking driving device comprises a third gear motor fixed on a third conveying frame, a third driving gear is mounted on a power output shaft of the third gear motor, and a third rack which is parallel to the third sliding rail and meshed with the third driving gear is arranged between two adjacent third sliding rails.
Preferably, the third conveying frame is further provided with a second section steel centering device which is arranged opposite to the first section steel centering device. The workpiece to be welded is transferred to a first profile steel centering device and a second profile steel centering device by using a conveying trolley to finish centering, wherein the centering process is as follows: and simultaneously, the two groups of push-pull air cylinders are utilized to push the centering push plate to move, and after the belt is centered, the centering push plate is driven to reset.
Preferably, the raw material conveying frame, the welding front-end conveying frame and the rear conveying frame respectively drive the chain to convey the I-steel forwards through the motor, and the raw material conveying frame is provided with a jacking cylinder for clamping the I-steel. A distance is arranged between the raw material conveying frame and the conveying frame before cold bending and is used for manually butt-jointing I-steel
Compared with the prior art, the utility model has the following beneficial effects:
the welding production line for the tunnel steel arch connecting plates can realize a series of work from feeding to welding of the steel arch and the connecting plates, and realize automatic welding production of the section steel arch.
The welding production line for the tunnel steel arch connecting plates has high working efficiency; meeting the welding position requirements of the section steel at all angles; the labor intensity of workers is reduced; servo control, the position is more accurate.
According to the welding production line for the tunnel steel arch connecting plate, the second sliding rail is matched with the second conveying frame, so that the distance between two groups of C-shaped position shifters is adjustable, and the welding production line is suitable for workpieces with different lengths.
According to the welding production line for the tunnel steel arch connecting plate, the centering device is additionally arranged to assist the first welding robot to quickly position the welding position, then welding is performed, and welding processing is quickly completed.
According to the tunnel steel arch connecting plate welding production line, the steel arches are connected from feeding to welding completion, so that an uninterrupted assembly line is formed, automatic welding production of the section steel arches is realized, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the transport cart of FIG. 1;
FIG. 3 is a schematic view of the first welding unit of FIG. 1;
FIG. 4 is a schematic view of the structure of the medium-sized steel cold bending machine of FIG. 1;
in the figure: 1. raw material conveying frame 2, cold bending front conveying frame 3, section steel cold bending machine 4, transition material supporting frame 5, cutting robot 6, welding front conveying frame 7, conveying trolley 7.1, first sliding rail 7.2, first conveying frame 7.3, lifting transfer material dragging frame 7.4, positioning block 7.5, electromagnet 7.6, lifting driving mechanism 7.7, lifting guiding mechanism 7.8, first rack 8, first section steel centering device 8.1, centering bracket 8.2, centering push plate 8.3, fourth sliding rail 8.4, push-pull cylinder 9, first welding robot 10, first C-shaped position changing machine 11, rear conveying frame 12, second sliding rail 13, second conveying frame 14 and second walking driving device.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
the present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Embodiment 1, as shown in fig. 1 and 4, the welding production line for the tunnel steel arch connecting plate comprises a raw material conveying frame 1, a cold bending front conveying frame 2, a steel cold bending machine 3, a transition material supporting frame 4 and a welding front conveying frame 6 which are sequentially arranged, wherein the raw material conveying frame 1 is used for temporarily storing raw materials of the I-steel to be bent, the raw materials of the I-steel to be bent are conveyed to the steel cold bending machine 3 through the cold bending front conveying frame 2, the steel cold bending machine 3 is used for automatically bending the I-steel to be bent, the bent I-steel is conveyed to the feeding side of the welding front conveying frame 6 through the transition material supporting frame 4, the transition material supporting frame 4 is used for receiving the discharging of the steel cold bending machine 3, a cutting robot 5 for cutting the bent I-steel at the discharging position of the transition material supporting frame 4 is arranged on one side of the transition material supporting frame 4, and the welding machine between the welding front conveying frame 6 and the rear conveying frame 11 and the conveying trolley 7 for gradually conveying cut-off workpieces among the welding front conveying frame 6, the welding machine and the rear conveying frame 11 are arranged for welding the I-steel arch connecting plate.
The worker lifts and places the I-steel raw material on the raw material conveying frame 1, and drives a chain to convey the I-steel forwards through a motor on the raw material conveying frame 1;
bending and forming the I-steel according to the set size by using a profile steel cold bending machine 3; the cold-formed I-steel is conveyed backwards by a transition material supporting frame 4; the cutting robot 5 is responsible for cutting off the I-steel according to the length of the workpiece;
the cut I-steel is conveyed to a welding front end conveying frame 6 by a material supporting frame, and the variable frequency motors at two ends of the welding front end conveying frame 6 drive chains to move forwards respectively and are transferred to a feeding position at the other end;
firstly, manually rivet-welding the connecting plate at a feeding position according to the position requirements of the connecting plate and the section steel;
the conveying trolley 7 conveys the section steel arch to be welded to a rear welding machine, the welding machine is used for automatically welding the section steel arch I-steel and the connecting plate, and the conveying trolley conveys the section steel arch which is welded by the welding machine to the rear conveying frame; and starting feeding of the second workpiece, and repeating the steps.
Embodiment 1, as shown in fig. 1 and 4, the welding production line for the tunnel steel arch connecting plate comprises a raw material conveying frame 1, a cold bending front conveying frame 2, a steel cold bending machine 3, a transition material supporting frame 4 and a welding front conveying frame 6 which are sequentially arranged, wherein the raw material conveying frame 1 is used for temporarily storing raw materials of the I-steel to be bent, the raw materials of the I-steel to be bent are conveyed to the steel cold bending machine 3 through the cold bending front conveying frame 2, the steel cold bending machine 3 is used for automatically bending the I-steel to be bent, the bent I-steel is conveyed to the feeding side of the welding front conveying frame 6 through the transition material supporting frame 4, the transition material supporting frame 4 is used for receiving the discharging of the steel cold bending machine 3, a cutting robot 5 for cutting the bent I-steel at the discharging position of the transition material supporting frame 4 is arranged on one side of the transition material supporting frame 4, and the welding machine between the welding front conveying frame 6 and the rear conveying frame 11 and the conveying trolley 7 for gradually conveying cut-off workpieces among the welding front conveying frame 6, the welding machine and the rear conveying frame 11 are arranged for welding the I-steel arch connecting plate.
Further, referring to fig. 2, the conveying trolley 7 includes a first sliding rail 7.1 consistent with the conveying direction of the welding front end conveying frame 6, a first conveying frame 7.2 is slidably arranged on the first sliding rail 7.1, a first travelling driving device for driving the first conveying frame 7.2 to reciprocate along the length direction of the first sliding rail 7.1 is installed on the first conveying frame 7.2, a lifting type transfer material dragging frame 7.3 capable of lifting is installed at the top of the first conveying frame 7.2, a stop block 7.4 for positioning workpieces is respectively arranged at four corners of the lifting type transfer material dragging frame 7.3, a positioning groove for accommodating the workpieces is formed between two adjacent positioning blocks 7.4 at the same end of the lifting type transfer material dragging frame 7.3, two electromagnets 7.5 which are oppositely arranged and used for adsorbing the workpieces are further arranged in the middle of the upper surface of the lifting type transfer material dragging frame 7.3, a positioning gap for accommodating the workpieces is formed between the two electromagnets 7.5, and the electromagnets 7.5 are used for adsorbing and fixing the transferred workpieces after being electrified. The conveying trolley 7 is used for transferring among the welding front-end conveying frame 6, the welding machine and the rear conveying frame 11 step by step, and the specific process is as follows, firstly, the height of the lifting type transfer material dragging frame 7.3 is reduced, the lifting type transfer material dragging frame 7.3 is transferred to the lower part of a workpiece to be transferred positioned on the welding front-end conveying frame 6 through the first conveying frame 7.2, then the height of the lifting type transfer material dragging frame 7.3 is lifted, the workpiece to be transferred is lifted by the lifting type transfer material dragging frame 7.3, the workpiece to be transferred is separated from the welding front-end conveying frame 6, then the first conveying frame 7.2 is driven to be transferred to the feeding side of the welding machine, the height of the lifting type transfer material dragging frame 7.3 is reduced again, the welding machine is driven to receive incoming materials, then the first conveying frame 7.2 is driven to reset, the work of the welding machine is not interfered, and the welding machine is started to finish automatic welding of steel arch frame I-shaped steel and a connecting plate;
then the lifting transfer material dragging frame 7.3 is transferred to the lower part of the workpiece to be transferred on the welding machine, then the height of the lifting transfer material dragging frame 7.3 is lifted, the lifting transfer material dragging frame 7.3 lifts the workpiece to be transferred, the workpiece to be transferred is separated from the welding machine, then the first conveying frame 7.2 is driven to transfer to the feeding side of the rear conveying frame 11, the height of the lifting transfer material dragging frame 7.3 is lowered again, the rear conveying frame 11 receives incoming materials, and finally the first conveying frame 7.2 is driven to reset.
Further, the first conveying frame 7.2 is provided with a lifting driving mechanism 7.6 for driving the lifting type transfer material dragging frame 7.3 to lift and a lifting guiding mechanism 7.7 for guiding the lifting of the lifting type transfer material dragging frame 7.3, so that the lifting requirement is met.
Further, the first travel driving device comprises a first gear motor fixed on the first conveying frame 7.2, a first driving gear is installed on a power output shaft of the first gear motor, and a first rack 7.8 which is parallel to the first slide rail 7.1 and meshed with the first driving gear is arranged between the two first slide rails 7.1.
Further, referring to fig. 3, the welding machine for the steel arch i-beam and the connecting plate comprises a first welding unit and a second welding unit which are oppositely arranged, the first welding unit comprises a second slide rail 12 which is positioned at one side of the first slide rail 7.1 and is perpendicular to the length direction of the first slide rail 7.1, a second conveying frame 13 is slidably arranged on the second slide rail 12, a first C-shaped positioner 10 for clamping a workpiece and driving the workpiece to rotate is fixed on the second conveying frame 13, a first welding robot 9 for welding the steel arch i-beam and the connecting plate, and a second walking driving device 14 for driving the second conveying frame 13 to reciprocate along the length direction of the second slide rail 12. The first C-type position changing machine 10 is of an existing structure, and the second slide rail 12 is matched with the second conveying frame 13, so that the distance between two groups of C-type position changing machines is adjustable, and the device is suitable for workpieces with different lengths.
Further, the second traveling driving device 14 includes a second gear motor fixed on the second conveying frame 13, a second driving gear is installed on a power output shaft of the second gear motor, and a second rack parallel to the second sliding rail 12 and meshed with the second driving gear is disposed between two adjacent second sliding rails 12.
Further, the second conveying frame 13 is further provided with a first section steel centering device 8, the first section steel centering device 8 comprises a centering bracket 8.1 fixed on the feeding side of the first C-type transformer 10 and a push-pull cylinder 8.4 for driving the fourth sliding rail 8.3 to move along the length direction of the centering push plate 8.2, the push-pull cylinder 8.4 drives the centering push plate 8.2 to approach or depart from the centering bracket 8.1, and the centering device is additionally arranged to assist the first welding robot 9 to quickly position a welding position, so that welding processing is completed.
The second welding unit and the first welding unit are identical in structure and synchronously move, the welding unit comprises a third sliding rail which is positioned on the other side of the first sliding rail 7.1 and is perpendicular to the length direction of the first sliding rail 7.1, a third conveying frame is arranged on the third sliding rail in a sliding mode, a second C-shaped positioner which is used for clamping a workpiece and driving the workpiece to rotate, a second welding robot which is used for welding steel arch I-shaped steel and a connecting plate, and a third walking driving device which is used for driving the third conveying frame to reciprocate along the length direction of the third sliding rail are fixed on the third conveying frame.
Further, the third walking driving device comprises a third gear motor fixed on the third conveying frame, a third driving gear is arranged on a power output shaft of the third gear motor, and a third rack which is parallel to the third sliding rail and meshed with the third driving gear is arranged between two adjacent third sliding rails.
Further, a second section steel centering device which is arranged opposite to the first section steel centering device 8 is also arranged on the third conveying frame. The workpiece to be welded is transferred to the first profile steel centering device 8 and the second profile steel centering device by the conveying trolley 7 to finish centering, and the centering process is as follows: meanwhile, two groups of push-pull air cylinders 8.4 are utilized to push the centering push plate 8.2 to move, and after the belt is centered, the centering push plate 8.2 is driven to reset.
Further, the raw material conveying frame 1, the welding front end conveying frame 6 and the rear conveying frame 11 respectively drive the chain to convey the I-steel forwards through the motor, and a jacking cylinder is arranged on the raw material conveying frame and is used for clamping the I-steel. A distance is reserved between the raw material conveying frame and the conveying frame before cold bending, and the raw material conveying frame and the conveying frame are used for manually butt-jointing I-steel.
The welding production line for the tunnel steel arch connecting plates can realize a series of work from feeding to welding of the steel arch and the connecting plates, and realize automatic welding production of the section steel arch.
The welding production line for the tunnel steel arch connecting plates has high working efficiency; meeting the welding position requirements of the section steel at all angles; the labor intensity of workers is reduced; servo control, the position is more accurate.
According to the welding production line for the tunnel steel arch connecting plate, the second sliding rail is matched with the second conveying frame, so that the distance between two groups of C-shaped position shifters is adjustable, and the welding production line is suitable for workpieces with different lengths.
According to the tunnel steel arch connecting plate welding production line, the centering device is additionally arranged to assist the first welding robot to quickly position the welding position, so that welding processing is completed.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. The utility model provides a tunnel steel bow member connecting plate welding production line, its characterized in that, including raw and other materials carriage, before the cold bending carriage, shaped steel cold bending machine, transition hold in the palm work or material rest and the welding front end carriage that arrange in proper order, raw and other materials carriage is used for keeping in the I-steel raw and other materials of waiting to bend to pass through before the cold bending carriage and transmit the I-steel of waiting to bend to shaped steel cold bending machine, shaped steel cold bending machine is used for waiting to bend the I-steel of having bent to the feed side of welding front end carriage through transition hold in the palm the work or material rest, transition hold in the palm the work or material rest and be used for accepting shaped steel cold bending machine ejection of compact, and be equipped with in transition hold in one side of the work or material rest cut the cutting robot of cutting the I-steel of having bent in the ejection of compact position of transition hold in the work or material rest, still include be located the welding machine between welding front end carriage and the back carriage and be used for being used for at welding front end carriage, welding machine and back conveying the conveying step by step between cut work or material rest and the automatic welding of connecting plate.
2. The welding production line for the tunnel steel arch connecting plates according to claim 1, wherein the conveying trolley comprises a first sliding rail which is consistent with the conveying direction of the conveying frame at the front end of the welding, a first conveying frame is arranged on the first sliding rail in a sliding mode, a first traveling driving device which drives the first conveying frame to reciprocate along the length direction of the first sliding rail is arranged on the first conveying frame, a lifting transfer material dragging frame is arranged at the top of the first conveying frame, stop block positioning blocks for positioning workpieces are respectively arranged at four corners of the lifting transfer material dragging frame, positioning grooves for accommodating the workpieces are formed between two adjacent positioning blocks at the same end of the lifting transfer material dragging frame, two oppositely arranged electromagnets for absorbing the workpieces are further arranged in the middle of the upper surface of the lifting transfer material dragging frame, positioning gaps for accommodating the workpieces are formed between the two electromagnets, and the electromagnets are used for absorbing and fixing the workpieces transferred in a belt after the electromagnets are electrified.
3. The welding production line for tunnel steel arch connecting plates according to claim 2, wherein a lifting driving mechanism for driving the lifting type transfer material dragging frame to lift and a lifting guiding mechanism for guiding the lifting type transfer material dragging frame to lift are arranged on the first conveying frame.
4. A tunnel steel arch connecting plate welding production line according to claim 3, wherein the first travel driving device comprises a first gear motor fixed on the first conveying frame, a first driving gear is arranged on a power output shaft of the first gear motor, and a first rack which is parallel to the first sliding rail and meshed with the first driving gear is arranged between the two first sliding rails.
5. The tunnel steel arch connecting plate welding production line according to claim 4, wherein the steel arch I-steel and connecting plate welding machine comprises a first welding unit and a second welding unit which are oppositely arranged, the first welding unit comprises a second sliding rail which is arranged on one side of the first sliding rail and is perpendicular to the length direction of the first sliding rail, a second conveying frame is slidably arranged on the second sliding rail, a first C-shaped transformer for clamping a workpiece and driving the workpiece to rotate is fixed on the second conveying frame, a first welding robot for welding the steel arch I-steel and the connecting plate, and a second walking driving device for driving the second conveying frame to reciprocate along the length direction of the second sliding rail.
6. The welding production line for tunnel steel arch connecting plates according to claim 5, wherein the second traveling driving device comprises a second gear motor fixed on the second conveying frame, a second driving gear is installed on a power output shaft of the second gear motor, and a second rack which is parallel to the second sliding rail and meshed with the second driving gear is arranged between two adjacent second sliding rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117817224A (en) * | 2024-03-06 | 2024-04-05 | 中铁二十二局集团第四工程有限公司 | Welding equipment for tunnel construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117817224A (en) * | 2024-03-06 | 2024-04-05 | 中铁二十二局集团第四工程有限公司 | Welding equipment for tunnel construction |
| CN117817224B (en) * | 2024-03-06 | 2024-06-11 | 中铁二十二局集团第四工程有限公司 | Welding equipment for tunnel construction |
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