CN111687242A - Automatic correction equipment for off-track girder - Google Patents
Automatic correction equipment for off-track girder Download PDFInfo
- Publication number
- CN111687242A CN111687242A CN202010607696.XA CN202010607696A CN111687242A CN 111687242 A CN111687242 A CN 111687242A CN 202010607696 A CN202010607696 A CN 202010607696A CN 111687242 A CN111687242 A CN 111687242A
- Authority
- CN
- China
- Prior art keywords
- rack
- central line
- frame
- placing
- abutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
- B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
Abstract
The invention relates to the technical field of automatic correction, in particular to an automatic correction device for an offset rail type girder, which is applied to the fire correction of a connecting section on the girder to be corrected, and comprises: placing a rack; the side surface is elastically abutted against the lower pressing device, the end surface is elastically abutted against the lower pressing device, and the lower pressing devices are arranged around the placing rack at equal intervals; the translation sliding frame mounting rack penetrates through the top end of the placing rack and is arranged on two sides of the placing rack; the working roll of the butting device and the shortest central line of the placing rack are horizontally arranged at the upper part and the lower part of the translation sliding rack respectively; the moving direction of the rail car is arranged on one side of the placing rack in the same direction with the longest central line of the placing rack; the fire heating frame is vertically arranged at the bottom of the working end of the rail car, and the working end of the fire heating frame vertically faces the connecting section; visual detection camera, the work end sets up in priming heater heating frame priming heater work end one side down vertically, and the device work efficiency and security are high.
Description
Technical Field
The invention relates to the technical field of automatic correction, in particular to automatic correction equipment for an offset rail type girder.
Background
The tire crane belongs to a class of hoisting machinery, the rail form of the girder of the tire crane is various, welding deformation can be generated when welding rails and girder panels of a welding type trolley comprises a square steel rail, a P43 rail, an A75A rail and the like, in order to reduce the welding deformation, the welding process of the rails is continuously improved and perfected, and various preparation processes before manufacturing are improved and updated. The eccentric rail type girder of the tire crane has the advantages that the rail is arranged on one side of the girder panel, so that the single panel is easy to shrink and deform towards one side of the rail when the rail is welded in the past, and the deformation has great influence on the later-stage box body forming.
Chinese patent CN201610440862.5 discloses a manufacturing process of an offset rail type girder, which comprises the following steps: nesting: according to the whole length and width size lofting cutting of two girder panels side by side, make girder panel prefab, the cutting: processing the prefabricated part along the parting line according to a breakpoint cutting method, and welding the track: fixing and welding the girder panel rails on two sides simultaneously according to a rail mounting line which is marked in advance; and (3) correction: the connecting section in the breakpoint cutting is corrected in an initiating manner; disconnecting: and (4) disconnecting the connecting sections between the girder panels on the two sides, and finishing the eccentric rail type girders on the two sides.
The principle of the fire straightening is to utilize the plasticity and the expansion and contraction characteristics of the steel, force the steel to deform reversely under the action of external force or internal stress, and eliminate the defects of bending, warping, unevenness and the like of the steel so as to achieve the aim of straightening. The main forms of fire correction are: straightening: eliminating bending of the material or component; leveling: eliminating warping or unevenness of materials or members; reshaping: a certain geometry of the component is shaped. When the offset rail type girder is used for correction, manual operation is complex, local heating is needed, safety is low, and equipment capable of automatically correcting the offset rail type girder is needed.
Disclosure of Invention
In order to solve the technical problem, the automatic correction equipment for the offset rail type girder is provided, and the technical scheme solves the problem of automatic correction of the offset rail type girder.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides an off-track formula girder automatic correction equipment, is applied to and treats the correction of doing the fire work in the girder upper junction, girder automatic correction equipment includes: the longest central line of the placing rack penetrates through the placing rack from top to bottom; the side face elastic abutting lower pressing device and the end face elastic abutting lower pressing device are respectively arranged at two sides of the placing frame towards the longest central line of the placing frame at equal intervals, the end face elastic abutting lower pressing device is respectively arranged at two ends of the placing frame towards the shortest central line of the placing frame at equal intervals, and in a working state, the working ends of the lower pressing devices abut against the periphery of the girder to be corrected so that the central line of the girder to be corrected is superposed with the vertical projection of the central line of the placing frame; the translation sliding frame mounting rack penetrates through the top end of the placing rack and is arranged on two sides of the placing rack; the upper roller pneumatic abutting device and the lower roller pneumatic abutting device are characterized in that the working rollers of the abutting devices and the shortest central line of the placing rack are horizontally arranged at the upper part and the lower part of the translation sliding rack respectively, the vertical projections of the working rollers of the abutting devices are overlapped, and in a working state, the working rollers of the abutting devices are abutted to the upper end and the lower end of the connecting section respectively and slide along the longest central line of the placing rack in a rolling manner; the moving direction of the rail car and the longest central line of the placing rack are arranged on one side of the placing rack in the same direction; the fire heating frame is vertically arranged at the bottom of the working end of the rail car, and the working end of the fire heating frame vertically faces the connecting section; the working end of the visual detection camera is vertically arranged on one side of the fire working end of the fire heating frame downwards, and the visual detection camera is electrically connected with the controller.
Preferably, the lateral elastic abutment depressor comprises: the working end of the first double-shaft double-rod cylinder is perpendicular to the longest central line of the placing rack and is arranged on one side of the bottom end of the placing rack; one side of the bottom end of the vertical plate is fixedly connected with the output end of the first double-shaft double-rod cylinder; the fixing box is fixedly arranged on the inner side of the top end of the vertical plate, a first inclined plane is arranged at one end, facing the longest central line of the placing rack, of the fixing box, and a first dovetail wedge is obliquely arranged on the central line of the first inclined plane; the obtuse angle abutting block is provided with a second inclined surface towards the placing frame end, a first dovetail groove in sliding fit with the first dovetail wedge is obliquely arranged on the center line of the second inclined surface, and a right-angle surface is arranged at the top end of the horizontal plane of the obtuse angle abutting block; the lifting columns are vertically arranged on the right-angle surface at equal intervals and penetrate through the fixing box, and limiting rings are coaxially arranged in the fixing box on the lifting columns; and the spring is coaxially sleeved on the lifting column, and two ends of the spring are respectively abutted against the top end of the limiting ring and the top end of the inner part of the fixed box.
Preferably, the lateral elastic abutting depressor further comprises a supporting guide rail, the supporting guide rail sliding block and the longest central line of the placing frame are vertically and fixedly arranged at the top of the first double-shaft double-rod cylinder, and the supporting guide rail is fixedly connected with the inner side of the vertical plate through a triangular plate.
Preferably, the end face elastic abutting depressor and the side face elastic abutting depressor are identical in structure.
Preferably, the translation carriage comprises: the moving direction of the working end and the longest central line of the placing rack are arranged on two sides of the placing rack in the same direction; the fixed mounting frame penetrates through the top end of the placing frame and two sides of the bottom end of the placing frame to be fixedly connected with the first synchronous belt sliding table and the second synchronous belt sliding table, and the upper roller air pressure abutting device and the lower roller air pressure abutting device are respectively arranged at the upper end and the lower end of the fixed mounting frame.
Preferably, the upper roller pneumatic abutting device comprises; the opening of the lifting frame is downwards arranged at the top end of the fixed mounting frame, the lifting frames are vertically arranged on two sides of the lifting frame, and second dovetail grooves are vertically arranged on two sides of the sliding groove; the two sides of the sliding block are vertically provided with second dovetail wedges in sliding fit with the second dovetail grooves; the bottom ends of the two sides of the connecting frame are respectively fixedly connected with the top ends of the sliding blocks on the two sides; the axis of the pressing roller is horizontal, and two ends of the pressing roller are rotatably arranged on the sliding block; and the output end of the second double-shaft double-rod cylinder vertically penetrates through the top end of the lifting frame and is fixedly connected with the top end of the connecting frame.
Preferably, the lower roller pneumatic abutment is identical in structure to the upper roller pneumatic abutment.
Preferably, the heating rack for firer comprises: the electric lifter is vertically arranged at the top end of the moving part of the rail car; the sliding seat is arranged at the top of the lifting working end of the electric lifter; the main rod is vertically arranged on the sliding seat in a sliding manner with the longest central line of the placing rack; the bolt vertically penetrates through the sliding seat and abuts against one side of the main rod, and the bolt is screwed with the through hole in a threaded manner; the utility model provides a visual inspection camera, the priming system of priming system tap, work end are vertical down through first clamp setting in mobile jib one end, priming system tap work end is located the linkage segment top, visual inspection camera through the vertical setting of second clamp at mobile jib one end and with the same vertical face of priming system tap.
Preferably, the initiating explosive heating frame further comprises a concave wheel and a pull rope, the top end of the sliding seat is vertically provided with a vertical arm, the concave wheel is rotatably arranged on the vertical arm, and two ends of the pull rope are respectively fixedly connected with two ends of the main rod and tightened on the vertical arm.
Preferably, the rail car comprises an i-shaped track and an electric trolley, the i-shaped track and the central line of the placing rack are arranged on one side of the placing rack in the same direction, the electric trolley is arranged on the i-shaped track, longitudinal limiting columns are vertically arranged at two ends of the i-shaped track at equal intervals, transverse limiting columns are uniformly distributed at the outer end of a runner of the electric trolley along the axis, and in a working state, the transverse limiting columns and the longitudinal limiting columns are mutually vertically staggered.
Compared with the prior art, the invention has the beneficial effects that:
1. the girder to be corrected is placed on the working surface of the placing frame through the gantry suspension equipment during working, and at the moment, the vertical projection of the girder to be corrected and the central line of the placing frame is not overlapped, so that correction is needed; starting a first double-shaft double-rod cylinder and an end face elastic abutting depressor driving part, enabling the elastic abutting depressor to abut against the periphery of a girder to be corrected respectively, enabling the periphery of the girder to be corrected to move on the placing frame under the abutting acting force, enabling the center line of the girder to be corrected to be superposed with the vertical projection of the center line of the placing frame, enabling the obtuse angle abutting block to slide on the fixing box and enabling the bottom face of the obtuse angle abutting block to abut against two sides of the top end of the girder to be corrected, and facilitating positioning and fire correction of the connecting section;
2. the rail car and the firer heating rack are used for carrying out translation heating, specifically, the I-shaped rail is started to move on the I-shaped rail along the longest central line direction of the placing rack, so that the top of the firer faucet suspension connecting section moves, the position of the connecting section can be directly observed through the visual detection camera, the firer faucet is controlled by the controller to carry out local heating on the connecting section, and after the heating is finished, the rail car continues to move, so that the firer faucet is driven to heat the connecting section at the next position;
3. the upper roller air pressure abutting device and the lower roller air pressure abutting device are used for carrying out rolling correction on a heating area, and particularly, after a connecting section is heated, the fire work faucet drives the working ends of the first synchronous belt sliding table and the second synchronous belt sliding table to move synchronously, so that the upper roller air pressure abutting device and the lower roller air pressure abutting device slide back and forth along the longest central line of the placing rack at the upper part and the lower part of the heated connecting section; starting a second double-shaft double-rod cylinder and a lower roller pneumatic butting device driving part to enable working rollers of the second double-shaft double-rod cylinder and the lower roller pneumatic butting device to butt against the upper end and the lower end of the heated connecting section so as to roll the heated connecting section in a reciprocating manner and enable the connecting section to be corrected and formed; thereby facilitating roll correction of the heated connecting segments in sequence.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a perspective view of the lateral spring contact depressor of the present invention;
FIG. 4 is a side view of the side resilient abutment depressor of the present invention;
FIG. 5 is a cross-sectional view at section B-B of FIG. 4;
FIG. 6 is a perspective view of the translation carriage, the upper roller pneumatic abutment and the lower roller pneumatic abutment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at C;
FIG. 8 is a perspective view of the railcar and the pyrotechnic heating rack of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at D;
fig. 10 is a partial enlarged view of fig. 8 at E.
Description of reference numerals:
a-a girder to be corrected; a 1-connecting segment;
1-placing a rack;
2-the side surface is elastically abutted with the lower pressing device; 2 a-a first double-shaft double-rod cylinder; 2 b-a vertical plate; 2 c-a fixation cassette; 2c1 — first slope; 2c2 — first dovetail wedge; 2 d-obtuse angle abutting block; 2d1 — second slope; 2d2 — first dovetail groove; 2d 3-right angled face; 2 e-a lifting column; 2e 1-stop collar; 2 f-spring; 2 g-a support rail; 2 h-set square;
3-the end surface is elastically abutted against the lower pressing device;
4-translating the sliding frame; 4 a-a first synchronous belt slipway; 4 b-a second synchronous belt sliding table; 4 c-fixing the mounting rack;
5-upper roller air pressure abutting device; 5 a-a lifting frame; 5a 1-sliding groove; 5a2 — second dovetail groove; 5 b-a slider; 5b1 — second dovetail wedge; 5 c-a connecting frame; 5 d-pressing roller; 5 e-a second double-shaft double-rod cylinder;
6-lower roller air pressure abutting device;
7-a rail car; 7 a-i orbital; 7a 1-longitudinal restraint posts; 7 b-an electric trolley; 7b 1-transverse restraining posts;
8-a fire heating rack; 8 a-an electric lift; 8 b-a sliding seat; 8b 1-vertical arm; 8 c-main bar; 8 d-bolt; 8 e-a fire tap; 8 f-a first clamp; 8 g-a second clamp; 8 h-concave wheel; 8 i-a pull rope;
9-visual inspection camera.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1, an automatic calibrating apparatus for an offset rail type girder is applied to an initiating calibration of a connecting section a1 on a girder a to be calibrated, and the automatic calibrating apparatus for a girder comprises:
the rack 1 is characterized in that the longest central line of the rack 1 penetrates through the rack from top to bottom;
the side face elastic abutting lower pressing device 2 and the end face elastic abutting lower pressing device 3 are respectively arranged at two sides of the placing frame 1 in an equidistant mode towards the longest central line of the placing frame 1, the end face elastic abutting lower pressing device 3 is respectively arranged at two ends of the placing frame 1 in an equidistant mode towards the shortest central line of the placing frame 1, and in a working state, the working ends of the lower pressing devices abut against the periphery of the girder A to be corrected to enable the central line of the girder A to be coincident with the vertical projection of the central line of the placing frame 1;
the mounting rack of the translation sliding frame 4 penetrates through the top end of the placing rack 1 and is arranged on two sides of the placing rack 1;
the upper roller pneumatic abutting device 5 and the lower roller pneumatic abutting device 6 are respectively horizontally arranged on the upper portion and the lower portion of the working frame of the translation sliding frame 4 together with the shortest central line of the placing frame 1, the vertical projections of the working rollers of the abutting devices are overlapped, and in a working state, the working rollers of the abutting devices are respectively abutted on the upper end and the lower end of the connecting section A1 and slide along the longest central line of the placing frame 1 in a rolling manner;
the rail car 7 is arranged on one side of the placing rack 1 in the same direction with the longest central line of the placing rack 1 in the moving direction of the rail car 7;
the firer heating frame 8 is vertically arranged at the bottom of the working end of the rail car 7, and the working end of the firer heating frame vertically faces the connecting section A1;
When the gantry type girder correcting machine works, a girder A to be corrected is placed on the working surface of the placing frame 1 through gantry type suspension equipment, and at the moment, the vertical projection of the girder A to be corrected and the central line of the placing frame 1 is not overlapped, so that correction is needed;
starting the lateral face elastic abutting lower pressing device 2 and the end face elastic abutting lower pressing device 3, enabling the elastic abutting lower pressing devices to abut against the periphery of the girder A to be corrected respectively, enabling the periphery of the girder A to be corrected to move on the placing frame 1 under the abutting action force, and enabling the central line of the girder A to be corrected to be superposed with the vertical projection of the central line of the placing frame 1, so that the connection section A1 can be conveniently positioned and corrected by fire work;
starting the rail car 7 to move along the direction of the longest central line of the placing rack 1, so that the top of the suspended connecting section A1 at the working end of the initiating explosive heating frame 8 moves, the position of the connecting section A1 can be directly observed through the visual detection camera 9, the initiating explosive heating frame 8 is controlled by the controller to locally heat the connecting section A1, and after heating is completed, the rail car 7 continues to move, so that the initiating explosive heating frame 8 is driven to heat the connecting section A1 at the next position;
after the connection section A1 is heated by the fire heating frame 8, the translation sliding frame 4 is driven to synchronously move, so that the upper roller air pressure abutting device 5 and the lower roller air pressure abutting device 6 slide on the upper portion and the lower portion of the heated connection section A1 in a reciprocating mode along the longest central line of the placing frame 1, the upper roller air pressure abutting device 5 and the lower roller air pressure abutting device 6 are started, working rollers of the upper roller air pressure abutting device and the lower roller air pressure abutting device abut against the upper end and the lower end of the heated connection section A1, reciprocating rolling is conducted on the upper roller air pressure abutting device and the lower roller; thereby facilitating the rolling correction of the heated connecting section A1 in turn;
after the correction is finished, the translation sliding frame 4 and the rail car 7 are driven to reset, so that the corrected girder is suspended at a designated place through the gantry suspension.
As shown in fig. 3, 4 and 5, the lateral elastic abutment depressor 2 comprises: the working end of the first double-shaft double-rod cylinder 2a is perpendicular to the longest central line of the placing rack 1 and is arranged on one side of the bottom end of the placing rack 1; one side of the bottom end of the vertical plate 2b is fixedly connected with the output end of the first double-shaft double-rod cylinder 2 a; the fixing box 2c is fixedly arranged on the inner side of the top end of the vertical plate 2b, a first inclined surface 2c1 is arranged at one end, facing the longest central line of the placing rack 1, of the fixing box 2c, and a first dovetail wedge 2c2 is obliquely arranged on the central line of the first inclined surface 2c 1; the obtuse angle abutting block 2d is provided with a second inclined surface 2d1 towards the end of the placing rack 1, a first dovetail groove 2d2 in sliding fit with the first dovetail wedge 2c2 is obliquely arranged on the center line of the second inclined surface 2d1, and a right-angle surface 2d3 is arranged at the top end of the horizontal plane of the obtuse angle abutting block 2 d; the lifting columns 2e are vertically arranged on the right-angle surface 2d3 at equal intervals and penetrate through the fixed box 2c, and the lifting columns 2e are coaxially provided with a limiting ring 2e1 in the fixed box 2 c; and the spring 2f is coaxially sleeved on the lifting column 2e, and two ends of the spring are respectively abutted against the top end of the limiting ring 2e1 and the top end in the fixing box 2 c.
When a girder A to be corrected is horizontally placed on the placing frame 1, the longest central line of the girder A to be corrected does not coincide with the vertical projection of the longest central line of the placing frame 1, the first double-shaft double-rod cylinder 2a is started, the working end of the device drives the vertical plate 2b to move towards the side surface of the girder A to be corrected, so that the fixed box 2c moves towards the side surface of the girder A to be corrected, the obtuse-angle abutting block 2d is elastically and slidably arranged at the bottom end of the fixed box 2c through the lifting column 2e and the spring 2f, so that the longest central line of the side surface of the girder A to be corrected coincides with the longest central line of the placing frame 1 under the guiding action of the first inclined surface 2c1 and the second inclined surface 2d1 d, the first dovetail groove 2d2 is slidably arranged on the first dovetail groove 2c2, so that the obtuse-angle abutting block 2d can stably slide on the fixed box 2c, the lifting column 2e is vertically arranged on the right-angle surface 2d3, so that the obtuse-angle, so that the bottom surface of the obtuse angle abutting block 2d can abut against the two sides of the top end of the girder a to be corrected, thereby facilitating the fire correction, and the spacing ring 2e1 is used for preventing the spacing ring 2e1 from being separated from the fixing box 2 c.
As shown in fig. 3 and 5, the lateral elastic abutting depressor 2 further comprises a support guide rail 2g, a slide block of the support guide rail 2g and the longest central line of the placing rack 1 are vertically and fixedly arranged at the top of the first double-shaft double-rod cylinder 2a, and the guide rail of the support guide rail 2g is fixedly connected with the inner side of the vertical plate 2b through a triangular plate 2 h.
The sliding structure of the vertical plate 2b is unstable under the guiding action of the first double-shaft double-rod cylinder 2a, the guide rail of the support guide rail 2g is vertically and fixedly connected with the inner side of the vertical plate 2b through the triangular plate 2h, and the slide block of the support guide rail 2g is fixed, so that the guide rail of the obtuse angle butt joint block 2d slides on the slide block, the vertical plate 2b can stably slide, and the positioning of the girder A to be corrected is facilitated.
As shown in fig. 1 and 2, the end surface elastic abutting depressor 3 has the same structure as the side surface elastic abutting depressor 2.
The end face elastic abutting lower pressing device 3 and the side face elastic abutting lower pressing device 2 are completely the same in structure, so that the shortest central line of the girder A to be corrected is superposed with the shortest central line of the placing frame 1 in a vertical projection mode.
As shown in fig. 6, the translation carriage 4 comprises: the moving direction of the working end and the longest central line of the placing rack 1 are arranged on two sides of the placing rack 1 in the same direction; and the fixed mounting frame 4c penetrates through the top end of the placing frame 1 and the two sides of the bottom end of the fixed mounting frame 4c to be fixedly connected with the moving working end of the first synchronous belt sliding table 4a and the second synchronous belt sliding table 4b, and the upper roller air pressure butt joint device 5 and the lower roller air pressure butt joint device 6 are respectively arranged at the upper end and the lower end of the fixed mounting frame 4 c.
When waiting to rectify girder A location and fixing on rack 1 top, and linkage segment A1 department has heated the completion, start first synchronous belt slip table 4a and second synchronous belt slip table 4b, make its work end synchronous drive fixed mounting frame 4c slide along waiting to rectify girder A longest central line, make and install and go up the reciprocal roll extrusion of roller pressure butt ware 5 and lower roller pressure butt ware 6 work end butt on linkage segment A1 of lower extreme in fixed mounting frame 4c inner frame, thereby be convenient for rectify the radial firer of linkage segment A1.
As shown in fig. 7, the upper roller air pressure abutting device 5 includes; the opening of the lifting frame 5a is downwards arranged at the top end of the inner frame of the fixed mounting frame 4c, the lifting frame 5a is vertically arranged on two sides of the lifting frame 5a, and a second dovetail groove 5a2 is vertically arranged on two sides of the sliding groove 5a 1; the two sides of the sliding block 5b are vertically provided with second dovetail wedges 5b1 which are in sliding fit with the second dovetail grooves 5a 2; the bottom ends of the two sides of the connecting frame 5c are respectively fixedly connected with the top ends of the sliding blocks 5b of the two sides; the axis of the pressing roller 5d is horizontal, and two ends of the pressing roller are rotatably arranged on the sliding block 5 b; and the output end of the second double-shaft double-rod cylinder 5e vertically penetrates through the top end of the lifting frame 5a and is fixedly connected with the top end of the connecting frame 5 c.
When the working end of the translation sliding frame 4 drives the upper roller air pressure abutting device 5 to move at the top of the girder A to be corrected, the second double-shaft double-rod air cylinder 5e is started, the output shaft of the second double-shaft double-rod air cylinder synchronously extends out, so that the connecting frame 5c pushes the sliding block 5b to slide on the sliding groove 5a1, the abutting roller 5d descends relative to the lifting frame 5a, the abutting roller 5d abuts against the top end of the connecting section A1 and is matched with the lower roller air pressure abutting device 6 to roll and correct the heated connecting section A1, the second dovetail wedge 5b1 is arranged in the second dovetail groove 5a2 in a sliding mode, and the sliding block 5b cannot be separated from the 2a1 and can only ascend and descend in the vertical.
As shown in fig. 6, the lower roller pneumatic abutment 6 has the same structure as the upper roller pneumatic abutment 5.
The lower roller pneumatic abutting device 6 and the upper roller pneumatic abutting device 5 are identical in structure, so that the lower roller pneumatic abutting device 6 and the upper roller pneumatic abutting device 5 can be matched with each other to roll and correct the upper end and the lower end of the heated connecting section A1.
As shown in fig. 8 and 10, the hot frame 8 includes: the electric elevator 8a is vertically arranged at the top end of the moving part of the rail car 7; the sliding seat 8b is arranged at the top of the lifting working end of the electric lifter 8 a; the main rod 8c is vertically arranged on the sliding seat 8b in a sliding manner with the longest central line of the placing rack 1; the bolt 8d vertically penetrates through the sliding seat 8b and abuts against one side of the main rod 8c, and the bolt 8d is screwed with the through hole in a threaded manner; firer's tap 8e, the setting of work end vertical down through first clamp 8f is in mobile jib 8c one end, firer's tap 8e work end is located linkage segment A1 top, and visual detection camera 9 is through the vertical setting of second clamp 8g at mobile jib 8c one end and with the same vertical face of firer's tap 8 e.
When waiting to rectify girder A and the vertical projection coincidence of rack 1 central line, start railcar 7 and make firer's tap 8e remove along the 1 longest central line of rack, when visual detection camera 9 detects linkage segment A1, start electric lift 8a and make its output drive sliding seat 8b and mobile jib 8c synchronous descent, bolt 8d is used for adjusting the 8c both ends mobile jib 8c arm of force, thereby make firer's tap 8e heat linkage segment A1, thereby be convenient for rectify the linkage segment A1 of heating, first clamp 8f and stay cord 8i are used for vertical fixed firer tap 8e and visual detection camera 9 respectively.
As shown in fig. 10, the initiating explosive heating frame 8 further includes a concave wheel 8h and a pull rope 8i, the top end of the sliding seat 8b is further vertically provided with a vertical arm 8b1, the concave wheel 8h is rotatably arranged on the vertical arm 8b1, and two ends of the pull rope 8i are respectively fixedly connected with two ends of the main rod 8c and tightened on the vertical arm 8b 1.
Stay cord 8i both ends respectively with mobile jib 8c both ends fixed connection and tighten on standing arm 8b1 for the arm of force of 8c of mobile jib both ends of sliding seat 8b equals, thereby is convenient for make the structure more stable, thereby is convenient for heat linkage segment A1.
As shown in fig. 8 and 9, the rail car 7 includes an i-shaped rail 7a and an electric trolley 7b, the i-shaped rail 7a is disposed on one side of the rack 1 in the same direction as the central line of the rack 1, the electric trolley 7b is disposed on the i-shaped rail 7a, longitudinal position-limiting columns 7a1 are vertically disposed at equal intervals at two ends of the i-shaped rail 7a, transverse position-limiting columns 7b1 are uniformly distributed at the outer end of the wheel of the electric trolley 7b along the axis, and in the operating state, the transverse position-limiting columns 7b1 and the longitudinal position-limiting columns 7a1 are vertically staggered with each other.
The electric trolley 7b can move on the I-shaped rail 7a along the longest central line of the girder A to be corrected, so that the connecting section A1 can be sequentially heated by the working end of the heating rack 8, and the transverse limiting columns 7b1 and the longitudinal limiting columns 7a1 are vertically staggered with each other, so that the electric trolley 7b is not easy to separate from the I-shaped rail 7a during moving and the displacement is more accurate.
The working principle of the invention is as follows:
the device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
the method comprises the following steps: when the gantry type girder correcting machine works, a girder A to be corrected is placed on the working surface of the placing frame 1 through gantry type suspension equipment, and at the moment, the vertical projection of the girder A to be corrected and the central line of the placing frame 1 is not overlapped, so that correction is needed;
step two: starting a first double-shaft double-rod cylinder 2a and a driving part of an end face elastic abutting lower pressing device 3, enabling the elastic abutting lower pressing devices to abut against the periphery of a girder A to be corrected respectively, enabling the periphery of the girder A to be corrected to move on the placing frame 1 under the abutting action force, enabling the central line of the girder A to be corrected to coincide with the vertical projection of the central line of the placing frame 1, enabling the obtuse angle abutting block 2d to slide on the fixing box 2c, enabling the bottom face of the obtuse angle abutting block to abut against the two sides of the top end of the girder A to be corrected, and facilitating positioning and fire work correction of a connecting section A1;
step three: starting the I-shaped track 7a, enabling the I-shaped track to move on the I-shaped track 7a along the direction of the longest central line of the placing rack 1, enabling the top of the suspension connecting section A1 of the fire cock 8e to move, enabling the position of the connecting section A1 to be directly observed through the visual detection camera 9, and therefore facilitating the local heating of the connecting section A1 by the fire cock 8e under the control of the controller, and after the heating is finished, enabling the rail car 7 to continue to move, and driving the fire cock 8e to heat the connecting section A1 at the next position;
step four: after the connecting section A1 is heated, the initiating explosive tap 8e drives the working ends of the first synchronous belt sliding table 4a and the second synchronous belt sliding table 4b to synchronously move, so that the upper roller pneumatic abutting device 5 and the lower roller pneumatic abutting device 6 slide on the upper and lower parts of the heated connecting section A1 in a reciprocating mode along the longest central line of the placing frame 1;
step five: starting a second double-shaft double-rod air cylinder 5e and a lower roll pneumatic abutting device 6 driving part to abut working rolls of the second double-shaft double-rod air cylinder against the upper end and the lower end of the heated connecting section A1 so as to roll the connecting section A1 in a reciprocating manner; thereby facilitating the rolling correction of the heated connecting section A1 in turn;
step six: after the correction is finished, the translation sliding frame 4 and the working end of the rail car 7 are driven to reset, so that the corrected girder can be suspended at a designated place conveniently through gantry suspension.
The foregoing has described the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an automatic correction of off-track formula girder equipment, is applied to and treats the correction of firework in the upper junction (A1) of correction girder (A), its characterized in that, including:
the storage rack (1), wherein the longest central line of the storage rack (1) penetrates through the storage rack from top to bottom;
the side face elastic abutting lower pressing device (2) and the end face elastic abutting lower pressing device (3) are arranged on two sides of the placing frame (1) at equal intervals towards the longest central line of the placing frame (1), the end face elastic abutting lower pressing device (3) is arranged on two ends of the placing frame (1) at equal intervals towards the shortest central line of the placing frame (1), and in a working state, the working ends of the lower pressing devices abut against the periphery of the girder (A) to be corrected to enable the central line of the girder to be corrected to coincide with the vertical projection of the central line of the placing frame (1);
the mounting rack of the translation sliding rack (4) penetrates through the top end of the placing rack (1) and is arranged on two sides of the placing rack (1);
the device comprises an upper roller pneumatic abutting device (5) and a lower roller pneumatic abutting device (6), wherein the working rollers of the abutting devices and the shortest central line of a placing rack (1) are horizontally arranged on the upper part and the lower part of a working rack of a translation sliding rack (4) respectively, the vertical projections of the working rollers of the abutting devices are overlapped, and the working rollers of the abutting devices abut against the upper end and the lower end of a connecting section (A1) respectively and roll and slide along the longest central line of the placing rack (1) in a working state;
the moving direction of the rail car (7) and the longest central line of the placing rack (1) are arranged on one side of the placing rack (1) in the same direction;
the initiating explosive heating frame (8) is vertically arranged at the bottom of the working end of the rail car (7), and the working end of the initiating explosive heating frame vertically faces the connecting section (A1);
visual detection camera (9), the vertical setting down of working end is in firer heating frame (8) firer working end one side, visual detection camera (9) are connected with the controller electricity.
2. An automatic correction device for an offset girder according to claim 1, wherein the side surface elastically abuts against the hold-down member (2) and comprises: the working end of the first double-shaft double-rod cylinder (2 a) is perpendicular to the longest central line of the placing rack (1) and is arranged on one side of the bottom end of the placing rack (1); one side of the bottom end of the vertical plate (2 b) is fixedly connected with the output end of the first double-shaft double-rod cylinder (2 a); the fixing box (2 c) is fixedly arranged on the inner side of the top end of the vertical plate (2 b), a first inclined surface (2 c 1) is arranged at one end, facing the longest central line of the placing rack (1), of the fixing box (2 c), and a first dovetail wedge (2 c 2) is obliquely arranged on the central line of the first inclined surface (2 c 1); the rack comprises a rack body (1), and is characterized by comprising an obtuse angle abutting block (2 d), wherein a second inclined surface (2 d 1) is arranged at the end, facing the rack body (1), of the obtuse angle abutting block (2 d), a first dovetail groove (2 d 2) in sliding fit with a first dovetail wedge (2 c 2) is obliquely arranged on the center line of the second inclined surface (2 d 1), and a right-angle surface (2 d 3) is arranged at the top end of the horizontal plane of the obtuse angle abutting block (2 d); the lifting columns (2 e) are vertically arranged on the right-angle surface (2 d 3) at equal intervals and penetrate through the fixed box (2 c), and the lifting columns (2 e) are coaxially provided with limiting rings (2 e 1) in the fixed box (2 c); and the spring (2 f) is coaxially sleeved on the lifting column (2 e) and two ends of the spring are respectively abutted against the top end of the limiting ring (2 e 1) and the top end in the fixing box (2 c).
3. The automatic correction equipment for the off-track girder according to claim 1, wherein the lateral elastic abutting lower pressure device (2) further comprises a support guide rail (2 g), a slide block of the support guide rail (2 g) is vertically and fixedly arranged on the top of the first double-shaft double-rod cylinder (2 a) together with the longest central line of the placing frame (1), and the guide rail of the support guide rail (2 g) is fixedly connected with the inner side of the vertical plate (2 b) through a triangular plate (2 h).
4. An automatic correction device for an offset girder according to claim 1, wherein the end surface elastically abutting lower press (3) is identical in structure to the side surface elastically abutting lower press (2).
5. An automatic correction device for offset rails according to claim 1, characterized in that the translation carriage (4) comprises: the moving direction of the working end and the longest central line of the placing rack (1) are arranged on two sides of the placing rack (1) in the same direction; fixed mounting bracket (4 c), fixed mounting bracket (4 c) pass rack (1) top and its bottom both sides and first hold-in range slip table (4 a) and second hold-in range slip table (4 b) removal work end fixed connection, go up roller air pressure butt ware (5) and lower roll air pressure butt ware (6) and set up lower extreme on fixed mounting bracket (4 c) respectively.
6. An automatic correction device for an off-track girder according to claim 1, wherein the upper roller air pressure abutment (5) comprises; the opening of the lifting frame (5 a) is downward arranged at the top end of the inner frame of the fixed mounting frame (4 c), the lifting frame (5 a) is vertically arranged on two sides of the lifting frame (5 a), and second dovetail grooves (5 a 2) are vertically arranged on two sides of the sliding groove (5 a 1); the two sides of the sliding block (5 b) are vertically provided with second dovetail wedges (5 b 1) which are in sliding fit with the second dovetail grooves (5 a 2); the bottom ends of the two sides of the connecting frame (5 c) are respectively fixedly connected with the top ends of the sliding blocks (5 b) of the two sides; the pressing roller (5 d) is provided with a horizontal axis and two ends which are rotatably arranged on the sliding block (5 b); the output end of the second double-shaft double-rod cylinder (5 e) vertically penetrates through the top end of the lifting frame (5 a) and is fixedly connected with the top end of the connecting frame (5 c).
7. An automatic correction device for an off-track girder according to claim 1, wherein the lower roller pneumatic abutment (6) and the upper roller pneumatic abutment (5) are identical in structure.
8. An automatic correction device for an offset girder according to claim 1, wherein the flame heating frame (8) comprises: the electric lifter (8 a) is vertically arranged at the top end of the moving part of the rail car (7); the sliding seat (8 b) is arranged at the top of the lifting working end of the electric lifter (8 a); the main rod (8 c) is vertically arranged on the sliding seat (8 b) in a sliding manner with the longest central line of the placing rack (1); the bolt (8 d) vertically penetrates through the sliding seat (8 b) and abuts against one side of the main rod (8 c), and the bolt (8 d) is screwed with the through hole in a threaded manner; firer tap (8 e), the work end is vertical to be set up in mobile jib (8 c) one end down through first clamp (8 f), firer tap (8 e) work end is located linkage segment (A1) top, and visual detection camera (9) are through the vertical setting of second clamp (8 g) in mobile jib (8 c) one end and with the same vertical face of firer tap (8 e).
9. The automatic correction equipment for the cross beam of the off-track type according to claim 1, wherein the fire heating frame (8) further comprises a concave wheel (8 h) and a pull rope (8 i), the top end of the sliding seat (8 b) is further vertically provided with a vertical arm (8 b 1), the concave wheel (8 h) is rotatably arranged on the vertical arm (8 b 1), and two ends of the pull rope (8 i) are respectively fixedly connected with two ends of the main rod (8 c) and tightened on the vertical arm (8 b 1).
10. The automatic correction equipment for the cross beam of the off-track type according to claim 1, wherein the rail car (7) comprises an I-shaped rail (7 a) and an electric trolley (7 b), the I-shaped rail (7 a) and the center line of the rack (1) are arranged on one side of the rack (1) in the same direction, the electric trolley (7 b) is arranged on the I-shaped rail (7 a), longitudinal limiting columns (7 a 1) are vertically arranged at two ends of the I-shaped rail (7 a) at equal intervals, transverse limiting columns (7 b 1) are uniformly distributed at the outer ends of the rotating wheels of the electric trolley (7 b) along the axis, and in the working state, the transverse limiting columns (7 b 1) and the longitudinal limiting columns (7 a 1) are vertically staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010607696.XA CN111687242A (en) | 2020-06-30 | 2020-06-30 | Automatic correction equipment for off-track girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010607696.XA CN111687242A (en) | 2020-06-30 | 2020-06-30 | Automatic correction equipment for off-track girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111687242A true CN111687242A (en) | 2020-09-22 |
Family
ID=72484366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010607696.XA Withdrawn CN111687242A (en) | 2020-06-30 | 2020-06-30 | Automatic correction equipment for off-track girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111687242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113426848A (en) * | 2021-07-05 | 2021-09-24 | 张磊 | Correcting device is used in flexible operation's steel construction processing |
-
2020
- 2020-06-30 CN CN202010607696.XA patent/CN111687242A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113426848A (en) * | 2021-07-05 | 2021-09-24 | 张磊 | Correcting device is used in flexible operation's steel construction processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110303279B (en) | Horizontal pre-assembling device for H-shaped steel | |
| CN112756757B (en) | Resistance welding method for automatically welding inner end of steel coil | |
| CN111055073B (en) | Automatic welding equipment for automobile beam | |
| CN104148873B (en) | A kind of adjustable steel pipe seaming device | |
| CN204053371U (en) | A kind of adjustable steel pipe seaming device | |
| CN111687242A (en) | Automatic correction equipment for off-track girder | |
| CN114042848B (en) | Automatic feeding device of heating furnace | |
| US3197610A (en) | Honey-comb girders | |
| JP2011167692A (en) | Tack welding fixture for bridge girder structure | |
| CN114643452A (en) | Device for long cylinder straight seam welding clamping and weld alignment | |
| CN110860847A (en) | H-shaped steel assembling machine | |
| CN214161933U (en) | Longitudinal beam welding device | |
| CN111660029A (en) | Automatic welding equipment for off-track type girder | |
| CN112008406B (en) | Assembling, welding and shape-righting integrated device for H-shaped steel component and manufacturing method thereof | |
| CN112475675B (en) | Welding tool with function of controlling deformation of welding part | |
| CN113601082B (en) | Multifunctional steel structure assembly welding assembly line platform | |
| CN211277159U (en) | Assembly table | |
| CN211041828U (en) | Pipe feeding mechanism of medium-frequency heating electric furnace | |
| CN114932352A (en) | Automatic butt welding equipment for cutting steel pipes | |
| CN209929134U (en) | Lifting and rotating device for winding transformer | |
| JPS6178576A (en) | Production method of welding h section steel and its production system | |
| CN107282655B (en) | Easy maintenance goes up and down to keep off steel device | |
| CN106563712A (en) | Oil press form correction device for treating long and straight workpieces | |
| KR101613646B1 (en) | Apparatus for Coupling Sleeve of Roll | |
| CN112743274A (en) | Assembly table and assembly method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200922 |