CN211840773U - Anti-deformation jig frame with radian adjusting function - Google Patents
Anti-deformation jig frame with radian adjusting function Download PDFInfo
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- CN211840773U CN211840773U CN202020475732.7U CN202020475732U CN211840773U CN 211840773 U CN211840773 U CN 211840773U CN 202020475732 U CN202020475732 U CN 202020475732U CN 211840773 U CN211840773 U CN 211840773U
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Abstract
The anti-deformation jig frame with the radian adjusting function comprises a positioning frame, a rotating mechanism, an arc plate adjusting mechanism, a clamping mechanism and a welding mechanism; the positioning frame comprises a base and a frame platform; the base drives the frame platform to rotate through the pin shaft supporting component and the rotating mechanism; a plurality of arc plate adjusting mechanisms with adjustable arch heights are arranged on the frame platform at intervals in parallel and are used for adjusting the reversible deformation amount; the frame platform is provided with a clamping mechanism, and the clamping mechanism is formed by axially symmetrical hydraulic or pneumatic clamping mechanisms and a plate body on the outer side of a clamp body pressing plate unit element; the base is fixedly supported and provided with a welding mechanism; the welding mechanism is provided with a telescopic welding trolley through a sliding rail frame and a sliding rail track. The utility model solves the technical problem that the arching height of the steel box girder plate unit element jig can not be adjusted adaptively; and has the functions of turning and automatic pressing; the method has the advantages of simple operation, low cost, high tool performance and stable and reliable welding quality; the welding manufacturing and machining efficiency of the box girder is remarkably improved.
Description
Technical Field
The utility model belongs to an operation transportation welding set technical field, concretely relates to anti-deformation bed-jig with radian regulatory function.
Background
The jig frame is scaffold mold equipment which mainly plays a role in bearing and stressing and is convenient for mechanical assembly and welding; the method is widely applied to template engineering, steel structure installation engineering and bridge engineering. At present, in the most common steel box girder manufacturing process of bridge steel structures: the U ribs and the T ribs of the top bottom plate are integrally assembled with the box body, and the welded forming quality is the important weight of the overall quality of the box girder. Because the steel box girder is of a full-welded steel structure, larger welding deformation and welding residual stress can be generated in the welding process, and the welding deformation and the welding residual stress are difficult to eliminate after the welding deformation is generated, so that the welding quality of the steel box girder structure is seriously influenced; in addition, after the steel box girder is welded, the welding stress accumulation formed by the top and bottom plates cannot be effectively released, and the quality hidden danger is formed on the service strength, the service life and the like of the bridge. In the prior art, the anti-deformation bed-jig is disclosed by the notice numbers CN203956356U and CN 209830724U; the defect that the pre-camber of the moulding bed cannot be adjusted exists; therefore, the method is only suitable for releasing the welding stress of the steel box girder plate unit with specific pre-arch camber and specific thickness, and the following improved technical scheme is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the anti-deformation jig frame with the radian adjusting function is provided, and the technical problem that the arching height of a steel box girder plate unit element jig frame cannot be adjusted adaptively is solved; by adopting the reversible deformation jig frame, the frame platform of the jig frame has a turning function; the frame platform can adapt to the automatic compaction of different width board unit pieces.
The utility model adopts the technical proposal that: anti-deformation bed-jig with radian regulatory function, its characterized in that: comprises a positioning frame, a rotating mechanism, an arc plate adjusting mechanism, a clamping mechanism and a welding mechanism; the positioning frame comprises a base and a frame platform; the upper part of the base is hinged with the left end and the right end of a symmetrical center line O in the length direction of the frame platform through pin shaft supporting components; the rotating mechanism drives the frame platform to rotate back and forth around the symmetrical center line O; a plurality of arc plate adjusting mechanisms are arranged on the frame platform at intervals in parallel along the width direction of the frame platform; the arc plate adjusting mechanism is provided with a reinforced arc plate which is lifted relative to the upper part of the frame platform; the reinforced arc plate is used for adjusting the reversible deformation amount of the plate unit element; a plurality of groups of hydraulic or pneumatic clamping mechanisms are symmetrically and fixedly arranged towards the outer axis on the symmetrical center line O of the frame platform; each group of hydraulic or pneumatic clamping mechanisms are fixedly installed in a mode that the collineation is parallel to the width direction of the frame platform, the pushing action is executed outwards by taking the symmetrical center line O of the frame platform as a symmetrical axis, and the hydraulic or pneumatic clamping mechanisms are installed in an axisymmetric mode; the clamping mechanism is provided with a clamp body, and the clamp body is used for pressing the plate body outside the plate unit; the upper end of the base of the positioning frame is fixedly supported with a welding mechanism; the welding mechanism comprises a slide rail frame and a slide rail track; the slide rail frames are positioned at the left and right outer sides of the frame platform and are vertically and fixedly installed by taking the base as a support; the sliding rail frame is provided with sliding rail tracks, the sliding rail tracks are arranged above the symmetrical center line O of the frame platform in parallel, and the sliding rail tracks are provided with telescopic welding trolleys.
Among the above-mentioned technical scheme, for adopting the structure of most economic, simple, practical to realize the lift adjustment of arc board adjustment mechanism 3, further: the arc plate adjusting mechanisms are manual arc plate adjusting mechanisms, each manual arc plate adjusting mechanism is provided with a pair of I-shaped steels I which are parallel at intervals, and each pair of I-shaped steels I are fixedly installed along the width direction of the frame platform; a reinforcing plate is fixedly arranged on the upper end surface of the inner side of the horizontal part at the bottom end of each pair of I-shaped steel I; the reinforcing plates are horizontally arranged and connect each pair of I-shaped steel I into a whole left and right; a pair of screw rods vertically penetrate through the reinforcing plate body and are screwed and matched; the top end of the screw rod is fixedly connected with the bottom end of the reinforced arc plate; the reinforced arc plate is parallel to the frame width of the frame platform; the longitudinal section of the reinforced arc plate is of an inverted T-shaped structure; the horizontal rib parts of the inverted T-shaped reinforced arc plates are in sliding friction fit with the vertical slot walls of each pair of I-shaped steel I, and the horizontal rib parts are hidden below the inner sides of the horizontal parts at the top ends of each pair of I-shaped steel I; the vertical arc plate body of the inverted T-shaped structure of the reinforced arc plate is arranged in the middle of the gap of each pair of I-shaped steel I and extends out of the upper part of the horizontal part at the top end of each pair of I-shaped steel I; the lifting height of the vertical arc plate body relative to the upper surface of the I-shaped steel I is adjusted through rotating the lead screw to lift the reinforced arc plate.
Among the above-mentioned technical scheme, for the convenience does not borrow the supplementary adjusting screw that can directly rotate of instrument, further: the bottom end of the screw rod is provided with a handle which is convenient to rotate; the handle is a rod-shaped piece; and vertically penetrates through a screw rod through hole formed in the bottom end of the screw rod to be vertically connected with the screw rod into a whole.
In the above technical solution, preferably: the ratio of the midspan height of the arc plate body of the reinforced arc plate to the span width of the arc plate body is 0.02-0.05.
Among the above-mentioned technical scheme, for the cost of manufacture that reduces each support major structure in the bed-jig frock, further: the base, the frame platform, the slide rail frame and the main body support of the slide rail are all made of I-shaped steel II; the base is composed of two left and right parallel I-shaped steels II and is fixedly connected with the foundation into a whole; the frame platform is a rectangular frame structure formed by welding a plurality of I-shaped steel II.
Among the above-mentioned technical scheme, for adopting comparatively simple structure, solve chucking mechanism 4 and adapt to the fixed function that compresses tightly of different breadth and thickness board unit spare, further: the clamping mechanism comprises a clamp body, a pneumatic or hydraulic oil cylinder, a movable jaw, a fixed jaw and a channel steel sleeve: the pneumatic or hydraulic oil cylinder is fixedly arranged on a symmetrical center line O of the frame platform, and a piston rod of the pneumatic or hydraulic oil cylinder is parallel to the width direction of the frame platform and is positioned below the frame platform to perform horizontal pushing action outwards; a fixed jaw is fixedly arranged on the outer side of the frame body in the length direction of the frame platform, and the fixed jaw is arranged above a piston rod of a pneumatic or hydraulic oil cylinder in parallel; the tail end of a piston rod execution end of the pneumatic or hydraulic oil cylinder is coaxially and fixedly connected with a sleeve made of a channel steel sleeve; the shaft end of the sleeve is fixedly connected with the lower bottom surface of the channel steel at an obtuse angle; the upper end of the channel steel is connected with the lower end of a movable jaw in a prying manner, and the inner side of the middle part of the movable jaw is hinged with the outer side of a fixed jaw; the top end of the movable jaw is provided with a clamp body, and the clamp body is arranged above the frame platform; the opening of the clamp body inclines towards the inner side of the jaw body of the movable jaw obliquely and downwards; the piston rod pushes the movable jaw to rotate around the middle of the jaw body of the movable jaw in a vertical plane, and the jaw body at the top end of the movable jaw tightly presses and fixes the steel plate on the outer side of the plate unit element on the upper end surface of the frame platform.
Among the above-mentioned technical scheme, in order to reduce welding cost, further: the welding trolley is provided with an automatic welding machine; the automatic welding machine is provided with a CO2 gas protection device, and the CO2 gas protection device is used for protecting heat generated during welding of the automatic welding machine.
Among the above-mentioned technical scheme, for adopting the high-efficient convenient quick transmission, realize that the bed-jig frame platform can rotate and stop in the whole upset function of any angle, further: the rotating mechanism comprises a stepping motor; the power output shaft of the stepping motor is coaxially and fixedly connected with the power input shaft of the gear box; a power input gear is coaxially and fixedly installed on the power input shaft of the gear box; the power input gear is meshed with the power output gear; the power output gear is coaxially and fixedly connected with a pin shaft of the pin shaft supporting assembly into a whole; a pin shaft of the pin shaft supporting assembly is fixedly connected with a left end or right end frame of a symmetrical center line O in the length direction of the frame platform; the frame platform rotates around the pin shaft central line O of the pin shaft supporting assembly and stops at any angle.
Among the above-mentioned technical scheme, for under the great bearing capacity operating mode, realize that the bed-jig frame platform can rotate and stop in the whole upset function of any angle, further: the rotating mechanism comprises two hydraulic or pneumatic actuators which are respectively arranged at the left end and the right end of a symmetrical center line O of the frame platform; the bottom end of the hydraulic or pneumatic actuator is hinged with the base into a whole; the hydraulic or pneumatic actuator is inclined towards the upper outer side; the hydraulic or pneumatic actuator has a hydraulic or pneumatic piston strut; the tail end of the hydraulic or pneumatic piston support rod is detachably connected with the front or rear frame of the frame platform through a detachable connecting piece; the frame platform rotates around the pin shaft central line O of the pin shaft supporting assembly and stops at any angle.
Compared with the prior art, the utility model have following advantage:
1. the utility model solves the problem of the adaptability adjustment of the arc plates of the jig frame platform to different arch heights of the plate unit elements with different thicknesses; the bed-jig has excellent universality;
2. the utility model realizes the integral overturning function of the jig frame platform 1-2; the problem that the jig frame can be suspended at any overturning angle is solved; multidirectional welding operation becomes more convenient; the bed-jig has higher practicability;
3. the utility model solves and realizes the labor-saving and high-efficiency automatic pressing function of the jig frame platform 1-2 adapting to the board unit elements with different widths on the jig frame platform 1-2;
4. the utility model can be applied to the welding of steel box girder plate units such as various urban viaducts, overpasses and the like; the method has the advantages of simple operation, low cost, high tool performance and the like; the welding efficiency and the welding quality are improved; thereby improving the processing efficiency of the whole steel box girder;
5. the welding trolley of the utility model can be adjusted to the required position at will; the whole device has simple structure, easy manufacture and low cost, and is beneficial to popularization and application;
6. the utility model adopts carbon dioxide shielding gas, and the welding cost is only 40-50% of that of submerged arc welding and shielded metal arc welding; the productivity is 1-4 times of that of the welding rod electric arc welding; the crack resistance of the welding seam is high; the welding seam has low hydrogen content and less nitrogen content, and the deformation after welding is less.
Drawings
Fig. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a perspective view of the arc plate adjusting mechanism of the present invention;
FIG. 4 is another side perspective view of the arc plate adjustment mechanism of the present invention;
fig. 5 is a perspective view of the clamping mechanism of the present invention;
FIG. 6 is a supporting structure of the welding mechanism of the present invention;
fig. 7 is a schematic view of the transmission principle of the present invention using a stepping motor as a power source of a rotating mechanism.
Detailed Description
Specific embodiments of the present invention will be described below with reference to fig. 1 to 7. It is to be understood that the following description of the embodiments is merely exemplary and not intended to limit the invention in any way.
The following examples are provided to facilitate a better understanding of the present invention, but are not intended to limit the present invention. The following examples were carried out in the conventional manner unless otherwise specified. The components and materials of the components used in the following examples are commercially available unless otherwise specified. In the following embodiments, the implementation of the hydraulic or pneumatic control of the hydraulic or pneumatic actuator is a conventional control manner unless otherwise specified.
In the present invention, without the contrary explanation, it is understood that: the terms "center line", "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of describing the present invention in simplified description, rather than indicating absolute orientations, and therefore should not be construed as the only limitation on the present invention.
In the description of the present invention, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "provided," "disposed," "connected," and "connected" are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected. For example, they may be directly connected to each other or indirectly connected to each other through other intermediate members. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Anti-deformation bed-jig with radian regulatory function, its characterized in that: the welding device (shown in fig. 1 and 2) comprises a positioning frame 1, a rotating mechanism 2, an arc plate adjusting mechanism 3, a clamping mechanism 4 and a welding mechanism 5. The rotating mechanism 2 is used for overturning; the arc plate adjusting mechanism 3 is used for adjusting arch height, and the clamping mechanism 4 is used for automatically clamping.
The positioning frame 1 comprises a base 1-1 and a frame platform 1-2. For the cost of manufacture that reduces each support major structure in the bed-jig frock, further: the base 1-1 is composed of two left and right parallel I-shaped steels II and is fixedly connected with a foundation into a whole. The frame platform 1-2 is a rectangular frame structure formed by welding a plurality of I-shaped steel II together.
The left end and the right end of a symmetrical center line O in the length direction of the frame platform 1-2 are hinged above the base 1-1 through pin shaft supporting components 1-3. Specific examples thereof include: the pin shaft supporting assemblies 1-3 comprise triangular left and right pin shaft base assemblies made of steel plates and pin shafts, and the left and right pin shaft base assemblies are fixedly connected with the left and right bases 1-1 into a whole in a welding mode; the outer side of the pin shaft is rotatably connected with a shaft hole of the pin shaft base assembly through a shaft sleeve, and the inner side end of the pin shaft is fixedly connected with the left end and the right end of the frame platform 1-2 in a welding mode.
In order to solve the problem of hovering and rotating of the frame platform at any angle: the rotating mechanism 2 comprises a stepping motor 2-1 (shown in fig. 7); the stepping motor 2-1 is fixedly installed by taking a vertical supporting surface of a vertical steel plate 1-21 fixedly connected with the bottom of the frame platform 1-2 in a welding manner as a support; the power output shaft of the stepping motor 2-1 is coaxially and fixedly connected with the power input shaft of the gear box 2-2; a power input gear is coaxially and fixedly arranged on the power input shaft of the gear box 2-2; the power input gear is meshed with the power output gear; the power output gear is coaxially and fixedly connected with the pin shaft of the pin shaft supporting component 1-3 into a whole; the pin shaft of the pin shaft supporting component 1-3 is fixedly connected with the left end or right end frame of the symmetrical center line O in the length direction of the frame platform 1-2 into a whole in a welding way; the stepping motor 2-1 provides power to enable the frame platform 1-2 to rotate around the pin shaft center line O of the pin shaft supporting component 1-3 and stop at any angle. The rotating mechanism 2 driven by the stepping motor to rotate has the advantages of compact structure, high transmission efficiency and convenience.
In addition to the above embodiments; the implementation manner of hovering the frame platform 1-2 at any angle further includes: the rotating mechanism 2 comprises two hydraulic or pneumatic actuators which are respectively arranged at the left end and the right end of a symmetrical center line O of the frame platform 1-2; the bottom end of the hydraulic or pneumatic actuator is hinged with the base 1-1 into a whole. Specifically, the hinged structure of the actuator is the same as the hinged connection structure of the bottom end of the hydraulic cylinder of the truck and the frame of the truck. The hydraulic or pneumatic actuator is inclined towards the upper outer side; the hydraulic or pneumatic actuator has a hydraulic or pneumatic piston strut; the tail end of the hydraulic or pneumatic piston support rod is detachably connected with the front or rear frame of the frame platform 1-2 through a detachable connecting piece. Specifically; the detachable connecting piece comprises a hook and a hanging ring; namely, the tail end of the hydraulic or pneumatic piston support rod is detachably connected with a hanging ring fixedly arranged on the front or rear frame of the frame platform 1-2 through a hook. The frame platform 1-2 rotates around the pin shaft center line O of the pin shaft supporting component 1-3 and stops at any angle. The frame platform is rotated and overturned at lower cost compared with the prior art by adopting as few hydraulic or pneumatic actuators as possible. Namely, the front and rear frame bodies of the frame platform 1-2 are respectively and independently connected with the execution tail ends of a hydraulic or pneumatic actuator in a detachable way; so that the pushing frame platform 1-2 rotates forwards or backwards around the symmetrical center line O. A hydraulic or pneumatic rotating mechanism 2 is adopted; the rotary type frame platform is suitable for rotating the frame platform 1-2 under a larger load-bearing working condition.
A plurality of arc plate adjusting mechanisms 3 are arranged on the frame platform 1-2 at intervals in parallel along the width direction; the arc plate adjusting mechanism 3 (shown in fig. 3 and 4) is provided with a reinforced arc plate 301 which is lifted relative to the upper part of the frame platform 1-2; the reinforced arc plate 301 is used for adjusting the reversible deformation amount of the plate unit elements and can adapt to the deformation loading of the plate unit elements with different thicknesses. In order to adopt the most economical, simple and practical structure to realize the lifting adjustment of the arc plate adjusting mechanism 3, further: the arc plate adjusting mechanisms 3 are manual arc plate adjusting mechanisms (as shown in fig. 4), each manual arc plate adjusting mechanism is provided with a pair of I-shaped steels I302 which are parallel at intervals, and each pair of I-shaped steels I302 is fixedly installed along the width direction of the frame platform 1-2 (see fig. 1 and 2); a reinforcing plate 303 with enough thickness is fixedly welded on the upper end surface of the inner side of the bottom end horizontal part 302-1 of each pair of I-shaped steel I302; the reinforcing plate 303 is horizontally arranged and connects each pair of I-shaped steel I302 into a whole from left to right so as to improve the structural support strength of the reinforcing plate. A pair of screw rods 304 are screwed and matched with the trapezoidal tooth-shaped screw holes vertically formed through the reinforcing plate 303; the top end of the screw rod 304 is vertically welded and fixedly connected with the bottom end of the reinforced arc plate 301; the reinforced arc plate 301 is parallel to the frame width direction of the frame platform 1-2; the longitudinal section of the reinforced arc plate 301 is of an inverted T-shaped structure (as shown in FIG. 4); the horizontal rib parts 301-1 of the reinforced arc plate 301 with the inverted T-shaped structure are in sliding friction fit with the vertical slot walls 302-3 of each pair of I-shaped steel I302, so that the vertical guidance lifting adjusting function of the reinforced arc plate 301 is realized. The horizontal rib parts 301-1 are hidden below the inner sides of the horizontal parts 302-2 at the top ends of each pair of I-shaped steel I302, so that the reinforced arc plate 301 is prevented from being separated from each pair of I-shaped steel I302 through over adjustment. The vertical arc plate body 301-2 of the reinforced arc plate 301 with the inverted T-shaped structure is arranged in the middle of the gap of each pair of I-shaped steel I302 and extends out of the upper side of the horizontal part 302-2 at the top end of each pair of I-shaped steel I302, so that the supporting and adjusting of the arch height deformation of the plate unit pieces are realized, and the plate unit pieces with different thicknesses are shaped. The reinforced arc plate 301 is lifted and lowered by rotating the screw rod 304 to adjust the lifting height of the vertical arc plate body 301-2 relative to the upper surface of the I-shaped steel I302.
In order to realize the change adjustment of the arch height by directly and manually rotating the adjusting screw rod 304 without the assistance of tools, further: the bottom end of the screw rod 304 is provided with a handle 305 which is convenient to rotate; in order to simplify the structure, reduce cost: the handle 305 is a rod-shaped member; and vertically penetrates through a screw rod through hole formed at the bottom end of the screw rod 304 and is vertically connected with the screw rod through hole into a whole in a clearance or tight fit mode. Preferably: the ratio of the midspan height of the arc plate body of the reinforced arc plate 301 to the span width of the arc plate body is 0.02-0.05, so that the use of box girder plate unit elements with more sizes and thicknesses is met.
In order to save labor and effectively solve the problem of automatic compression of plate unit elements with different widths on the frame platform 1-2: a plurality of groups of hydraulic or pneumatic clamping mechanisms 4 are symmetrically and fixedly arranged towards the outer axis on the symmetrical center line O of the frame platform 1-2; each group of hydraulic or pneumatic clamping mechanisms 4 are fixedly arranged in a way that the collinear direction is parallel to the width direction of the frame platform 1-2, and push actions are executed outwards by taking the symmetrical center line O of the frame platform 1-2 as a symmetrical axis; specifically, (see fig. 5); the bottom end of the frame in the direction of the symmetrical center line O of the frame platform 1-2 is fixedly provided with vertical steel plates 1-21 in a welding way; the hydraulic or pneumatic clamping mechanisms 4 (shown in the figure 1) are respectively and fixedly arranged on the left and right outer side walls of the vertical plate bodies of the vertical steel plates 1-21. The clamping mechanism 4 is provided with a clamp body 401, and the clamp body 401 is used for pressing a plate outside plate body of the plate unit element. Similar to but different from the prior art: for adopting the structure that the space is compacter, the volume is littleer, solve chucking mechanism 4 and adapt to the fixed function that compresses tightly of different breadth and thickness board unit spare, further: (see fig. 5) the chucking mechanism 4 includes a caliper body 401, a pneumatic or hydraulic cylinder 402, a movable jaw 403, a fixed jaw 404, and a channel sleeve 405: the pneumatic or hydraulic cylinder 402 is fixedly arranged on the symmetrical center line O of the frame platform 1-2, and the piston rod of the pneumatic or hydraulic cylinder 402 is parallel to the width direction of the frame platform 1-2 and is positioned below the frame platform 1-2 to perform horizontal pushing action outwards, so that the structure of the clamping mechanism 4 is designed in a compact and small manner. Further: the outer side of the frame body in the length direction of the frame platform 1-2 is fixedly provided with a fixed jaw 404, the fixed jaw 404 is arranged above a piston rod of the pneumatic or hydraulic cylinder 402 in parallel, and the fixed jaw 404 is fixedly arranged by taking a horizontal I-steel II of the front frame and the rear frame of the frame platform 1-2 as a support in a welding way, so that the clamping mechanism 4 can realize the clamping function by the most compact structural design. Wherein the tail end of a piston rod of the pneumatic or hydraulic cylinder 402 is coaxially welded and fixedly connected with a sleeve 405-1 made of a channel steel sleeve 405; the shaft end of the sleeve 405-1 is fixedly connected with the lower bottom surface of the channel steel 405-2 in an integrally formed mode at an obtuse angle; the upper end groove body of the channel steel 405-2 is inserted with an inserted bar arranged at the lower end of the movable jaw 403 in a gap-adaptive manner through a groove body through hole, and the channel steel sleeve 405 and the lower end of the movable jaw 403 are connected into a whole in a prying manner through the inserted bar. The middle inner side of the movable jaw 403 is hinged with the outer side of the fixed jaw 404; the movable jaw 403 rotates in a vertical plane; the top end of the movable jaw 403 is provided with a clamp body 401, and the clamp body 401 is arranged above the frame platform 1-2; the opening of the clamp body 401 is inclined towards the inner side of the movable jaw 403 and the lower side of the jaw body is inclined, so that the clamping function is realized. The piston rod pushes the movable jaw 403 to rotate around the middle of the jaw body of the movable jaw 403 in a vertical plane, and the clamp body 401 at the top end of the movable jaw 403 tightly presses and fixes the steel plate at the outer side of the plate unit element on the upper end surface of the frame body at the outer side of the frame platform 1-2.
The clamping mechanism 4 is suitable for the pressing and fixing principle of plate unit pieces with different widths: the clamping mechanism 4 pushes the bottom ends of a pair of axisymmetric movable jaws 403 to synchronously rotate around the fixed jaw through a piston rod which is extended towards the axisymmetric outer side synchronously, so that the lower ends of each pair of movable jaws 403 are raised towards the outer side in a vertical plane; each pair of movable jaws 403 respectively rotate around the middle part thereof; when the top ends of each pair of rotating movable jaws 403 are pressed downwards and turned inwards, the inner side plate body of the upper half part of each pair of movable jaws 403 is adapted to the adjustment of plate unit elements with different widths; meanwhile, the opening of the pincer body 401 which is continuously turned inwards moves downwards in a vertical plane until a certain point at the lower end of the pincer body 401 firmly presses the upper end of the outer steel plate of the plate unit part, so that the outer steel plates of the plate unit parts with different widths and thicknesses are firmly and reversely deformed and fixed on the upper end surface of the frame platform 1-2.
And a welding mechanism 5 is fixedly supported and installed at the upper end of the base 1-1 of the positioning frame 1. The welding mechanism 5 comprises a slide rail frame 501 and a slide rail 502 (shown in fig. 1 and 2); for the cost of manufacture that reduces each support major structure in the bed-jig frock, further: the main body supports of the slide rail frame 501 and the slide rail track 502 are made of I-shaped steel II. The slide rail frame 501 is positioned at the left and right outer sides of the frame platform 1-2 and is vertically and fixedly installed by taking the base 1-1 as a support; the slide rail frame 501 is provided with a slide rail track 502, the slide rail track 502 is arranged above the symmetrical center line O of the frame platform 1-2 in parallel, and the slide rail track 502 is provided with a telescopic welding trolley. In order to reduce the welding cost, further: the welding carriage (not shown and omitted in the figures) is provided with an automatic welding machine; the automatic welding machine is provided with a CO2 gas protection device, and the CO2 gas protection device is used for protecting heat generated during welding of the automatic welding machine. The utility model adopts carbon dioxide shielding gas, aiming at reducing the welding cost (the cost is only 40-50% of that of submerged arc welding and shielded metal arc welding), but the productivity is 1-4 times that of shielded metal arc welding; on the other hand, the CO2 gas shielded welding has high crack resistance of the welding seam; the welding seam has low hydrogen content and less nitrogen content, and the deformation after welding is less.
In the support structure of the welding mechanism 5, in the specific implementation (as shown in fig. 6), the left and right double-door type frame support bodies of the slide rail frame 501 shown in fig. 1 are both composed of horizontal i-beams ii and vertical i-beams ii. Furthermore, the slide rail 502 can also use the vertical horizontal i-steel ii as a vertical rail through the vertical i-steel ii of the horizontal i-steel ii relative to the slide rail frame 501, so as to realize the function of up-and-down lifting and moving of the horizontal i-steel ii together with the slide rail 502 relative to the vertical i-steel ii of the slide rail frame 501. Further: for example, the suspension mechanism can be used for realizing the suspension after the lifting of the former. Similarly, the left end and the right end of the slide rail track 502 can also use the horizontal i-steel channel ii of the slide rail frame 501 as a track, so that the slide rail track 502 can move back and forth in the horizontal direction relative to the left horizontal i-steel channel ii and the right horizontal i-steel channel ii.
The working principle is as follows: firstly, a riveter team assembles the plate unit parts, the assembled plate unit parts are placed on a vertical arc plate body 301-2 of a jig frame, and the screw rod 304 is manually rotated, so that the arch height of the vertical arc plate body 301-2 relative to the upper surface of a frame platform 1-2 is adjusted and pushed through the vertical lifting adjustment of the screw rod 304; thereby satisfying the adaptability adjusting function of plate unit pieces with different arch heights, different stress deformations and different thicknesses. The position of the chucking mechanism 4 is adjusted according to the width of the plate unit pieces, and both sides of the plate unit are pressed by the chucking mechanism 4. Specifically, the method comprises the following steps: the pneumatic or hydraulic cylinder 402 of the chucking mechanism 4 pushes the movable jaw 403 to rotate around the middle fixed jaw thereof through the piston rod; the outer steel plate of the clamping plate unit element is pressed downwards by the clamp body 401 at the top end of the rotating movable jaw 403, so that the outer steel plate of the plate unit element with a certain width is firmly pressed and fixed on the upper end surface of the frame platform 1-2. And then, the frame platform 1-2 is turned forwards or backwards through the rotating mechanism 2 according to the requirement, and the frame platform is suspended after reaching the optimal welding angle. The rotating mechanism 2 of the utility model is driven by a hydraulic or pneumatic actuator; when a hydraulic or pneumatic piston support rod of a hydraulic or pneumatic actuator is installed and connected with the front side frame of the frame platform 1-2 through a detachable connecting piece consisting of a hook and a hanging ring; the frame platform 1-2 can be pushed to swing forwards; conversely, when the hydraulic or pneumatic piston stay bar of the hydraulic or pneumatic actuator is installed and connected with the rear side frame of the frame platform 1-2; the frame platform 1-2 can be pushed to swing towards the back. The utility model discloses a rotary mechanism 2 can also drive the round pin axle rotation of pin shaft supporting component 1-3 through the tooth transmission through step motor 2-1, realizes that frame platform 1-2 is around preceding or back upset of symmetry center line O. And then, the two welding trolleys are symmetrically arranged on the longitudinal central line O of the plate unit and are welded simultaneously through the telescopic welding heads of the two welding trolleys respectively. After the welding of the U/T rib-side welding seam is finished, the frame platform 1-2 is turned over through the rotating mechanism 2, and then the welding seam on the other side of the U/T rib is welded according to the method. In addition, it should be noted that the vertical arc plate body 301-2 is manufactured according to factors such as the width and thickness of a specific common steel box girder plate, the width and spacing of U/T ribs, the height of a weld joint, and the like.
From the above description it can be found that: the utility model solves the problem of the adaptability adjustment of the height of the arc plate of the bed-jig frame platform to different arch heights of the plate unit elements with different thicknesses; the universality of the jig frame is realized. Secondly, the utility model realizes the integral overturning function of the jig frame platform 1-2; the problem that the jig frame can be suspended at any overturning angle is solved, the multidirectional welding operation of the jig frame is more convenient and easy to realize, and therefore the practicability of the jig frame is higher. Moreover, the utility model provides a realize that bed-jig frame platform 1-2 adapts to different width board unit spares the automatic function that compresses tightly of efficient laborsaving on bed-jig frame platform 1-2. Moreover, the welding trolley of the utility model can be adjusted to the required position at will; the whole device has simple structure, easy manufacture and low cost, and is beneficial to popularization and application. Therefore, the utility model is suitable for the welding of steel box girder plate units such as various urban viaducts, overpasses and the like; the method has the advantages of simple operation, low cost, high tool performance and the like; the welding efficiency and the welding quality are improved; thereby promoting the processing efficiency of the whole steel box girder.
Compared with the prior art: the utility model is suitable for the processing and welding of various steel box girder top and bottom plate unit elements, and can effectively release the welding stress generated in the welding process of the steel box girder plate unit; and the frame platform 1-2 can be rotatably stopped at any angle; the frame platform is provided with a pneumatic or hydraulic automatic clamping mechanism; the automatic pressing use of front and rear plate bodies of plate unit elements with different widths and thicknesses can be met, so that various plate unit elements can be welded in multiple directions and angles; thereby improving the welding efficiency; the production efficiency is improved; improving the working environment.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. Anti-deformation bed-jig with radian regulatory function, its characterized in that: comprises a positioning frame (1), a rotating mechanism (2), an arc plate adjusting mechanism (3), a clamping mechanism (4) and a welding mechanism (5); the positioning frame (1) comprises a base (1-1) and a frame platform (1-2); the upper part of the base (1-1) is hinged with the left end and the right end of a symmetrical center line O in the length direction of the frame platform (1-2) through pin shaft supporting components (1-3); the rotating mechanism (2) drives the frame platform (1-2) to rotate back and forth around the symmetrical center line O; a plurality of arc plate adjusting mechanisms (3) are arranged on the frame platform (1-2) at intervals in parallel along the width direction of the frame platform; the arc plate adjusting mechanism (3) is provided with a reinforced arc plate (301) which can lift relative to the upper part of the frame platform (1-2); the reinforced arc plate (301) is used for adjusting the reversible deformation amount of the plate unit pieces; a plurality of groups of hydraulic or pneumatic clamping mechanisms (4) are symmetrically and fixedly arranged towards the outer axis on the symmetrical center line O of the frame platform (1-2); each group of hydraulic or pneumatic clamping mechanisms (4) are fixedly arranged in a way that the collineation is parallel to the width direction of the frame platform (1-2), and push action is executed outwards by taking the symmetrical center line O of the frame platform (1-2) as a symmetrical axis; the clamping mechanism (4) is provided with a clamp body (401), and the clamp body (401) is used for pressing a plate body on the outer side of the plate unit piece; a welding mechanism (5) is fixedly supported and installed at the upper end of a base (1-1) of the positioning frame (1); the welding mechanism (5) comprises a sliding rail frame (501) and a sliding rail track (502); the slide rail frame (501) is positioned at the left and right outer sides of the frame platform (1-2) and is vertically and fixedly installed by taking the base (1-1) as a support; the sliding rail frame (501) is provided with a sliding rail track (502), the sliding rail track (502) is arranged above a symmetrical center line O of the frame platform (1-2) in parallel, and the sliding rail track (502) is provided with a telescopic welding trolley.
2. The reversible deformation bed-jig with the radian adjustment function according to claim 1, characterized in that: the arc plate adjusting mechanisms (3) are manual arc plate adjusting mechanisms, each manual arc plate adjusting mechanism is provided with a pair of I-shaped steels I (302) which are parallel at intervals, and each pair of I-shaped steels I (302) are fixedly installed along the width direction of the frame platform (1-2); a reinforcing plate (303) is fixedly arranged on the upper end surface of the inner side of the horizontal part (302-1) at the bottom end of each pair of I-shaped steel I (302); the reinforcing plate (303) is horizontally arranged and connects each pair of I-shaped steel I (302) into a whole left and right; a pair of screw rods (304) vertically penetrate through the plate body of the reinforcing plate (303) in a screwing and matching way; the top end of the screw rod (304) is fixedly connected with the bottom end of the reinforced arc plate (301); the frame widths of the reinforced arc plate (301) and the frame platform (1-2) are parallel to each other; the longitudinal section of the reinforced arc plate (301) is of an inverted T-shaped structure; the horizontal rib part (301-1) of the inverted T-shaped structure of the reinforced arc plate (301) is in sliding friction fit with the vertical slot wall (302-3) of each pair of I-shaped steel I (302) and is hidden below the inner side of the horizontal part (302-2) at the top end of each pair of I-shaped steel I (302); the vertical arc plate body (301-2) of the inverted T-shaped structure of the reinforced arc plate (301) is arranged in the middle of the gap of each pair of I-shaped steel I (302) and extends out of the upper part of the horizontal part (302-2) at the top end of each pair of I-shaped steel I (302); the reinforced arc plate (301) is lifted and lowered by rotating the screw rod (304) to adjust the lifting height of the vertical arc plate body (301-2) relative to the upper surface of the I-shaped steel I (302).
3. The reversible deformation bed-jig with the radian adjustment function according to claim 2, characterized in that: a handle (305) which is convenient to rotate is arranged at the bottom end of the screw rod (304); the handle (305) is a rod-shaped piece; and vertically penetrates through a screw rod through hole formed at the bottom end of the screw rod (304) and is vertically connected with the screw rod into a whole.
4. The reversible deformation bed-jig with the radian adjustment function according to claim 2, characterized in that: the ratio of the midspan height of the arc plate body of the reinforced arc plate (301) to the span width of the arc plate body is 0.02-0.05.
5. The reversible deformation bed-jig with the radian adjustment function according to claim 1, characterized in that: the main body supports of the base (1-1), the frame platform (1-2), the sliding rail frame (501) and the sliding rail track (502) are all made of I-shaped steel II; the base (1-1) consists of two I-shaped steels II which are parallel left and right and are fixedly connected with a foundation into a whole; the frame platform (1-2) is a rectangular frame structure formed by splicing and welding a plurality of I-shaped steels II.
6. The reversible deformation bed-jig with the radian adjustment function according to claim 1, characterized in that: the clamping mechanism (4) comprises a clamp body (401), a pneumatic or hydraulic cylinder (402), a movable jaw (403), a fixed jaw (404) and a channel steel sleeve (405): the pneumatic or hydraulic cylinder (402) is fixedly arranged on a symmetrical center line O of the frame platform (1-2), and a piston rod of the pneumatic or hydraulic cylinder (402) is parallel to the width direction of the frame platform (1-2) and is positioned below the frame platform (1-2) to outwards execute horizontal pushing action; a fixed jaw (404) is fixedly arranged on the outer side of the frame body of the frame platform (1-2) in the length direction, and the fixed jaw (404) is arranged above a piston rod of the pneumatic or hydraulic cylinder (402) in parallel; wherein the execution tail end of a piston rod of the pneumatic or hydraulic cylinder (402) is coaxially fixedly connected with a sleeve (405-1) made of a channel steel sleeve (405); the shaft end of the sleeve (405-1) is fixedly connected with the lower bottom surface of the channel steel (405-2) at an obtuse angle; the upper end of the channel steel (405-2) is connected with the lower end of the movable jaw (403) in a prying mode, and the inner side of the middle of the movable jaw (403) is hinged to the outer side of the fixed jaw (404); the top end of the movable jaw (403) is provided with a clamp body (401), and the clamp body (401) is arranged above the frame platform (1-2); the opening of the clamp body (401) inclines towards the inner side of the jaw body of the movable jaw (403) obliquely and downwards; the piston rod pushes the movable jaw (403) to rotate around the middle of the jaw body of the movable jaw in a vertical plane, and the clamp body (401) at the top end of the movable jaw (403) tightly presses and fixes the steel plate at the outer side of the plate unit element on the upper end surface of the frame platform (1-2).
7. The reversible deformation bed-jig with the radian adjustment function according to claim 1, characterized in that: the welding trolley is provided with an automatic welding machine; the automatic welding machine is provided with a CO2 gas protection device, and the CO2 gas protection device is used for protecting heat generated during welding of the automatic welding machine.
8. The reversible deformation bed-jig with the radian adjustment function according to claim 1, characterized in that: the rotating mechanism (2) comprises a stepping motor (2-1); the power output shaft of the stepping motor (2-1) is coaxially and fixedly connected with the power input shaft of the gear box (2-2); a power input gear is coaxially and fixedly arranged on the power input shaft of the gear box (2-2); the power input gear is meshed with the power output gear; the power output gear is coaxially and fixedly connected with a pin shaft of the pin shaft supporting component (1-3) into a whole; a pin shaft of the pin shaft supporting component (1-3) is fixedly connected with a left end or a right end frame of a symmetrical center line O in the length direction of the frame platform (1-2); the frame platform (1-2) rotates around the pin shaft central line O of the pin shaft supporting component (1-3) and stops at any angle.
9. The reversible deformation bed-jig with the radian adjustment function according to claim 1, characterized in that: the rotating mechanism (2) comprises two hydraulic or pneumatic actuators which are respectively arranged at the left end and the right end of a symmetrical center line O of the frame platform (1-2); the bottom end of the hydraulic or pneumatic actuator is hinged with the base (1-1) into a whole; the hydraulic or pneumatic actuator is inclined towards the upper outer side; the hydraulic or pneumatic actuator has a hydraulic or pneumatic piston strut; the tail end of the hydraulic or pneumatic piston support rod is detachably connected with the front or rear frame of the frame platform (1-2) through a detachable connecting piece; the frame platform (1-2) rotates around the pin shaft central line O of the pin shaft supporting component (1-3) and stops at any angle.
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| CN202020475732.7U CN211840773U (en) | 2020-04-03 | 2020-04-03 | Anti-deformation jig frame with radian adjusting function |
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| CN202020475732.7U CN211840773U (en) | 2020-04-03 | 2020-04-03 | Anti-deformation jig frame with radian adjusting function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296584A (en) * | 2020-12-11 | 2021-02-02 | 洛阳豫安金属结构有限公司 | Anti-deformation jig frame for welded steel box girder bridge deck plate and anti-deformation regulating quantity calculation method |
| CN114367777A (en) * | 2021-12-14 | 2022-04-19 | 武汉锂鑫智造工程有限公司 | Pressing device for welding U-shaped ribs and welding system |
| CN116038228A (en) * | 2023-03-29 | 2023-05-02 | 河南大方重型装备有限公司 | Jig frame for assembling and welding steel box beam plates |
| WO2023077347A1 (en) * | 2021-11-04 | 2023-05-11 | 扬州中康环保设备有限公司 | Anti-deformation assembly line |
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2020
- 2020-04-03 CN CN202020475732.7U patent/CN211840773U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296584A (en) * | 2020-12-11 | 2021-02-02 | 洛阳豫安金属结构有限公司 | Anti-deformation jig frame for welded steel box girder bridge deck plate and anti-deformation regulating quantity calculation method |
| CN112296584B (en) * | 2020-12-11 | 2022-06-24 | 洛阳豫安金属结构有限公司 | Anti-deformation jig frame for welded steel box girder bridge deck plate and anti-deformation regulating quantity calculation method |
| WO2023077347A1 (en) * | 2021-11-04 | 2023-05-11 | 扬州中康环保设备有限公司 | Anti-deformation assembly line |
| CN114367777A (en) * | 2021-12-14 | 2022-04-19 | 武汉锂鑫智造工程有限公司 | Pressing device for welding U-shaped ribs and welding system |
| CN114367777B (en) * | 2021-12-14 | 2024-02-02 | 武汉锂鑫智造工程有限公司 | Pressing device for U-rib welding and welding system |
| CN116038228A (en) * | 2023-03-29 | 2023-05-02 | 河南大方重型装备有限公司 | Jig frame for assembling and welding steel box beam plates |
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