CN216919976U

CN216919976U - Positioning mechanism for assembling steel box girder

Info

Publication number: CN216919976U
Application number: CN202123448481.7U
Authority: CN
Inventors: 赵旸
Original assignee: Nanjing Traffic Engineering Co ltd
Current assignee: Nanjing Traffic Engineering Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-08
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a positioning mechanism for assembling of steel box girder, it relates to the field of steel box girder construction, it includes the assembly table, still include the positioning seat of two relative settings, two positioning seats set up on the assembly table, be equipped with the adjusting part who is used for adjusting interval between two positioning seats on the assembly table, be formed with the location space that is used for supplying a plurality of steel box girders to assemble between two positioning seats, all be equipped with the location lug on the lateral wall of two adjacent steel box girders, on the positioning seat and be equipped with the adjustment tank along self length direction, the inslot cunning of adjustment tank slides and is equipped with the regulating block, be equipped with the centre gripping subassembly that is used for two location lugs of centre gripping on the regulating block, be equipped with on the lateral wall of positioning seat and be used for fixing the locking Assembly of regulating block in the adjustment tank. This application has the effect to two adjacent steel box girders quick location, has improved the efficiency of construction.

Description

Positioning mechanism for assembling steel box girder

Technical Field

The application relates to the field of steel box girder construction, in particular to a positioning mechanism for assembling of a steel box girder.

Background

The steel box girder is also called steel plate box girder, and is a common structural form for large-span bridges.

In the related technology, in the construction process of the steel box girder, a sectional assembly method is generally adopted, the steel box girder is mainly hoisted section by section on an assembly table, the steel box girder segment to be installed and the installed steel box girder segment need to be accurately aligned in advance manually, and then the steel box girder segment and the installed steel box girder segment are welded into a whole through girth welding.

With respect to the related art among the above, the inventors consider that there are the following drawbacks: because the weight of steel box girder is heavier, adopt the manual work to counterpoint the steel box girder segment section of waiting to install with installed steel box girder segment section, need adjustment many times just can counterpoint the accuracy, consuming time and difficultly, influenced the efficiency of construction.

SUMMERY OF THE UTILITY MODEL

In order to improve the artifical problem that assembles the location and difficultly consuming time and influence the efficiency of construction to steel box girder in the work progress, this application provides a positioning mechanism for assembling of steel box girder.

The application provides a positioning mechanism for assembling of steel box girder adopts following technical scheme:

the utility model provides a positioning mechanism for assembling of steel box girder, includes the assembly bench, still includes the positioning seat of two relative settings, two the positioning seat sets up on the assembly bench, be equipped with on the assembly bench and be used for adjusting two the adjusting part of interval between the positioning seat, two be formed with the location space that is used for supplying a plurality of steel box girders to assemble between the positioning seat, adjacent two all be equipped with the location lug on the lateral wall of steel box girder, just be equipped with the adjustment tank along self length direction on the positioning seat, the sliding movement is equipped with the regulating block in the adjustment tank, be equipped with on the regulating block and be used for the centre gripping two the centre gripping subassembly of location lug, be equipped with on the lateral wall of positioning seat be used for with the regulating block is fixed locking Assembly in the adjustment tank.

By adopting the technical scheme, before assembly, the distance between the two positioning seats is adjusted to a proper position by using the adjusting assembly according to the size specification of the steel box girder so as to quickly hoist the steel box girder to the assembly table and be positioned between the two positioning seats, and the two positioning seats limit the length or width direction of the steel box girder, so that a constructor can quickly align the two adjacent steel box girders without multiple adjustments, and the butt joint efficiency is high; then, the steel box beams slide and are adjusted to the position of a to-be-welded gap between two adjacent steel box beams, and the adjusting block is fixed in the adjusting groove by using the locking assembly so as to be fixed in the adjusting groove; two location lugs of centre gripping subassembly centre gripping are recycled, further realize fixing the location lug, help preventing to steel box girder welding process, skew appears in two adjacent steel box girders, has improved the efficiency of construction.

In a specific embodiment, the adjusting component comprises a motor and a bidirectional screw rod, the motor is installed on the assembling table, a driving shaft of the motor is fixedly connected with one end of the bidirectional screw rod in a coaxial mode, a support is fixedly arranged on the assembling table, the other end of the bidirectional screw rod is connected with the side wall of the support in a rotating mode, sliding blocks are connected to two ends of the bidirectional screw rod in a threaded mode, sliding grooves for the sliding blocks to slide are formed in the assembling table, the sliding blocks correspond to the two positioning seats one to one, and the sliding blocks are fixedly connected to end walls of the positioning seats.

Through adopting above-mentioned technical scheme, starter motor, the two-way lead screw of motor drive rotates, and two-way lead screw drive two sliders are close to each other or keep away from each other in the spout, and then the guide holder slides along with the slider is synchronous, realizes adjusting the interval between two positioning seats to fix a position the steel case roof beam of unidimensional not.

In a specific can embodiment, the centre gripping subassembly includes the grip block of two relative settings, can dismantle on the regulating block and be equipped with the connecting plate, one of them the grip block is fixed the lateral wall of connecting plate, another the lateral wall of grip block is equipped with the guide block, the lateral wall of connecting plate is equipped with the confession the guide way that the guide block slided, be equipped with in the guide way and be used for the drive the electric jar that the guide block slided, two enclose between the relative lateral wall of grip block and close to be formed with the centre gripping space that is used for two location lugs, the lateral wall of grip block pass through the setting element with location lug links to each other.

Through adopting above-mentioned technical scheme, during the centre gripping, the regulating block slides for the lateral wall butt of one of them grip block and one of them location lug, then start the electric cylinder, electric cylinder drive guide block slides in the guide way, so that the support of another grip block is tightly at the lateral wall of another location lug, then utilize the setting element to link to each other grip block and location lug, realized the location to two location lugs, avoid as far as possible to two steel box girder welding processes, the phenomenon of skew appears in the steel box girder, and construction efficiency is improved.

In a specific can embodiment, the setting element includes location axle and position sleeve, the location axle sets up one of them the lateral wall of grip block, the position sleeve sets up another the lateral wall of grip block, one of them the lateral wall of location lug is equipped with the confession the first through-hole that the location axle passed, another the lateral wall of location lug is equipped with the confession the second through-hole that the position sleeve passed, the location axle slides and connects the inside wall of position sleeve, the lateral wall of location axle with the inside wall of position sleeve all is equipped with the magnet.

Through adopting above-mentioned technical scheme, when two grip blocks equallyd divide do not the butt when on the lateral wall of two location lugs, the location axle passes first through-hole, and the position sleeve passes the second through-hole, the axle of fixing a position is inserted and is established in the position sleeve simultaneously, under the magnetic force effect of two magnet, fix the position axle in the position sleeve, and then through the cooperation of location axle and position sleeve, play limiting displacement to the skew of the vertical direction of steel box girder, further improved the stability to the gap between two steel box girders of welding.

In a specific possible implementation scheme, a slot is formed in the top wall of the adjusting block along the height direction of the adjusting block, an inserting block inserted into the slot is arranged on the bottom wall of the connecting plate, and a height adjusting piece used for driving the connecting plate to ascend and descend is arranged on the adjusting block.

By adopting the technical scheme, the detachable connection between the connecting plate and the adjusting block is realized by the matching of the inserting block and the inserting groove, so that the two clamping plates are respectively corresponding to the two positioning lugs conveniently; the connecting plate is driven to lift by the height adjusting piece so as to align the positioning shaft with the first through hole and align the positioning sleeve with the second through hole.

In a specific implementation scheme, the height adjusting piece comprises a winding disc and a winding rope, a support plate is arranged on one side, far away from the connecting plate, of the side wall of the adjusting block, the winding disc is connected with the side wall of the support plate in a rotating mode, a support block is arranged on the side wall, far away from the clamping plate, of the connecting plate, one end of the winding rope is connected with the support block, the other end of the winding rope is wound on the winding disc, a rotating shaft is coaxially arranged on the side wall of the winding disc, one end, far away from the winding disc, of the rotating shaft penetrates through the side wall of the support plate and is provided with a handle, and the rotating shaft is connected with the support plate in a rotating mode.

Through adopting above-mentioned technical scheme, personnel rotate the rolling dish through the handle, through the rolling dish to the rolling rope rolling, and then drive the connecting plate through rolling rope and a piece and go up and down, have realized the altitude mixture control to the clamp plate.

In a specific possible embodiment, a guide post is fixedly arranged on the adjusting block, the top end of the guide post extends to the upper side of the supporting block, a guide wheel is rotatably connected to the top end of the guide block, and the winding rope is wound on the guide wheel.

Through adopting above-mentioned technical scheme, through setting up the leading wheel in the top of a piece, and then the leading wheel plays the guide effect to the rolling of rolling up the rope to it goes up and down along vertical direction to pull a piece through the rolling up rope.

In a specific practical implementation scheme, the locking assembly comprises a tightening bolt, extension grooves are formed in two side groove walls of the adjusting groove adjacent to a groove opening of the adjusting groove, the length direction of each extension groove is the same as the length direction of the adjusting groove, an extension block sliding in the adjusting groove is arranged on the side wall of the adjusting block, a threaded hole in threaded fit with the tightening bolt is formed in the adjusting block, and one end, far away from a screw head of the tightening bolt, of the tightening bolt penetrates through the threaded hole and abuts against the groove bottom wall of the adjusting groove.

Through adopting above-mentioned technical scheme, the cooperation of extension piece and extending groove plays limiting displacement to adjusting block along sliding of vertical direction in the adjustment tank, and then after adjusting the adjusting block to suitable position, through supporting tight bolt and passing the screw hole and tightly supporting the tank bottom wall at the adjustment tank, and then tightly supporting the roof of extending the piece at the adjacent groove top wall of extending groove rather than the notch, utilize the frictional force between extension piece and the extending groove cell wall, realized that the adjusting block is located the fixed of adjustment tank.

In summary, the present application includes at least one of the following beneficial technical effects:

the two positioning seats limit the length direction or the width direction of the steel box girder, so that a constructor can align the two adjacent steel box girders quickly without multiple adjustments, and the butt joint efficiency is high; meanwhile, the clamping assembly is used for clamping the two positioning lugs, so that the positioning lugs are further fixed, the two adjacent steel box girders are prevented from shifting in the welding process of the steel box girders, and the construction efficiency is improved;

when the two clamping plates are respectively abutted against the side walls of the two positioning lugs, the positioning shaft penetrates through the first through hole, the positioning sleeve penetrates through the second through hole, and the positioning shaft is fixedly inserted in the positioning sleeve under the magnetic action of the magnet, so that the vertical offset of the steel box girders is limited, and the stability of welding a gap between the two steel box girders is further improved;

through setting up the leading wheel in the top of a piece, and then the rolling of leading wheel to receipts rolling rope plays the guide effect to pull a piece through the rolling rope and go up and down along vertical direction, with the realization to the altitude mixture control of connecting plate.

Drawings

Fig. 1 is an overall structural schematic diagram of a positioning mechanism for assembling a steel box girder in an embodiment of the present application.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is an exploded view of a clamping assembly according to an embodiment of the present disclosure.

Fig. 4 is an enlarged view at B in fig. 1.

Description of reference numerals: 1. assembling platforms; 2. a steel box girder; 3. positioning seats; 4. an adjustment assembly; 41. a motor; 42. a bidirectional screw rod; 43. a slider; 44. a chute; 5. a positioning lug; 6. an adjustment groove; 7. an adjusting block; 8. a clamping assembly; 81. a clamping plate; 82. a connecting plate; 83. a guide block; 84. a guide groove; 85. an electric cylinder; 9. a positioning member; 91. positioning the shaft; 92. a positioning sleeve; 93. a first through hole; 94. a second through hole; 95. a magnet; 10. a slot; 11. inserting a block; 12. a height adjustment member; 121. a winding disc; 122. winding the rope; 123. a support plate; 124. supporting a block; 125. a rotating shaft; 126. a handle; 127. a guide post; 128. a guide wheel; 13. a locking assembly; 131. tightly abutting against the bolt; 132. a threaded hole; 133. an extension groove; 134. an extension block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a positioning mechanism for assembling of a steel box girder. Referring to fig. 1, the positioning mechanism comprises an assembling table 1, the assembling table 1 is a temporary support, a plurality of steel box girders 2 are arranged on the assembling table 1, the length direction of the steel box girders 2 is the same direction as the width direction of the assembling table 1, the width direction of the steel box girders 2 is the same direction as the length direction of the assembling table 1, and the assembling construction can be carried out on the assembling table 1 by the steel box girders 2 along the length direction of the assembling table 1; during assembly, the steel box girder 2 is hoisted on the assembly table 1 by using a crane.

Two relative positioning seats 3 slide on the assembly table 1, the length direction of the positioning seats 3 is the same as that of the assembly table 1, an adjusting component 4 used for adjusting the distance between the two positioning seats 3 is arranged on the assembly table 1, and the distance between the two positioning seats 3 is adjusted by the adjusting component 4, so that a positioning space used for assembling the steel box girders 2 is formed between the two positioning seats 3.

All can dismantle the connection and be equipped with location lug 5 on the vertical lateral wall in both sides of two adjacent steel box girders 2, two location lugs 5 that just are located the homonymy on two adjacent steel box girder 2 lateral walls set up relatively, be equipped with adjustment tank 6 on positioning seat 3 and along self length direction, the sliding is equipped with regulating block 7 in the adjustment tank 6, be equipped with the centre gripping subassembly 8 that is used for two adjacent steel box girder 2 lateral walls of centre gripping and is located two location lugs 5 of homonymy on the regulating block 7, be equipped with the locking Assembly 13 that is used for fixing regulating block 7 in adjustment tank 6 on the lateral wall of positioning seat 3.

Hoisting a steel box girder 2 between splicing tables 1, driving two positioning seats 3 to approach each other by using an adjusting assembly 4, and further limiting the deviation of the steel box girder 2 along the width direction of the positioning seats 3 so as to hoist the steel box girder 2 to a proper position quickly; after the steel box girders 2 are hoisted to the assembling table 1, the steel box girders 2 are driven by a pushing device to slide along the length direction of the assembling table 1, so that two adjacent steel box girders 2 are assembled and aligned; then, the adjusting block 7 slides in the adjusting groove 6, so that the adjusting block 7 slides to a position close to the position to be welded between two adjacent steel box girders 2, and the locking assembly 13 is utilized to fix the adjusting block 7 in the adjusting groove 6, so that the clamping assembly 8 is utilized to clamp two positioning lugs 5 which are positioned on the side walls of the two adjacent steel box girders 2 and are positioned on the same side, and the limitation of the two adjacent steel box girders 2 in the width direction is realized; adopt the positioning mechanism that above-mentioned structure constitutes, conveniently assemble the location fast to two adjacent steel box girders 2, help preventing when the gap welding between two adjacent steel box girders 2 is fixed, two adjacent steel box girders 2 take place the skew, avoid influencing the efficiency of construction as far as possible.

Referring to fig. 1 and 2, there are two groups of adjusting assemblies 4, the two groups of adjusting assemblies 4 are oppositely arranged along the length direction of the assembling table 1, one group of adjusting assemblies 4 includes a motor 41 and a bidirectional screw rod 42, a machine body of the motor 41 is fixedly mounted on the assembling table 1, the length direction of the bidirectional screw rod 42 is in the same direction as the width direction of the assembling table 1, a driving shaft of the motor 41 is coaxially and fixedly connected with one end of the bidirectional screw rod 42, a support is fixedly arranged on the assembling table 1 and on one side of the bidirectional screw rod 42 away from the motor 41, one end of the bidirectional screw rod 42 away from the motor 41 is rotatably connected with the side wall of the support, end walls of the two positioning seats 3 are fixedly provided with sliding blocks 43, the two sliding blocks 43 are respectively in one-to-one correspondence with and threaded connection with two ends of the bidirectional screw rod 42, and a sliding groove 44 for the two sliding blocks 43 is arranged on the assembling table 1 and along the width direction thereof; during adjustment, the motor 41 is started, the motor 41 drives the bidirectional screw rod 42 to rotate, and due to the fact that the thread turning directions of the two ends of the bidirectional screw rod 42 are opposite, the two sliding blocks 43 slide in the sliding grooves 44 along with the rotation of the bidirectional screw rod 42, the two sliding blocks 43 are close to each other or are far away from each other, the positioning seats 3 and the sliding blocks 43 slide synchronously, and the adjustment of the distance between the two positioning seats 3 is achieved.

Referring to fig. 3, the clamping assembly 8 has two sets, two sets of clamping assemblies 8 respectively with two positioning seats 3 one-to-one, wherein a set of clamping assembly 8 includes the grip block 81 of two relative settings, two equal vertical settings of grip block 81, the top of regulating block 7 is pegged graft and is equipped with the connecting plate 82 of vertical setting, the diapire of connecting plate 82 is equipped with inserted block 11, the roof of regulating block 7 just is equipped with along vertical direction and supplies inserted block 11 male slot 10, slot 10 and inserted block 11's cooperation has realized being connected in the dismantlement between connecting plate 82 and the regulating block 7.

In this embodiment, the length direction of the connecting plate 82 is the same as the length direction of the positioning seat 3, the length directions of the two clamping plates 81 are both perpendicular to the length direction of the connecting plate 82, one of the clamping plates 81 is fixedly connected to the side wall of the connecting plate 82 facing the steel box girder 2, the side wall of the other clamping plate 81 is provided with a guide block 83, the side wall of the connecting plate 82 is provided with a guide groove 84 along the length direction thereof for the guide block 83 to slide, and the length direction of the guide groove 84 is the same as the length direction of the connecting plate 82; an electric cylinder 85 is arranged on the short side groove wall of one side of the guide groove 84 adjacent to the groove opening, the piston rod of the electric cylinder 85 is connected with the side wall of the guide block 83, and the guide block 83 is driven by the electric cylinder 85 to slide in the guide groove 84.

After two adjacent steel box girders 2 are spliced and aligned, the motor 41 is started firstly, the motor 41 drives the bidirectional screw rod 42 to rotate, the bidirectional screw rod 42 drives the two sliding blocks 43 to be away from each other, so that the two positioning seats 3 are away from each other, at the moment, the inserting block 11 can be inserted into the slot 10, the connecting plate 82 is placed on the adjusting block 7, meanwhile, the two clamping plates 81 respectively correspond to the two positioning lugs 5, and the adjusting block 7 is slid, so that one of the clamping plates 81 is abutted to the side wall of one of the positioning lugs 5; then start electric cylinder 85, electric cylinder 85 drive guide block 83 slides in guide way 84, and then guide block 83 drives another grip block 81 and moves to one of them grip block 81 direction, so that tightly support another grip block 81 at the lateral wall of another location lug 5, and then play the positioning action to the interval between two location lugs 5 through two grip blocks 81, help preventing when two adjacent steel box girders 2 weld, steel box girder 2 is along the length direction skew of assembly table 1, construction efficiency has been improved.

Referring to the drawings, in order to further improve the positioning effect on the positioning lug 5, the side wall of the clamping plate 81 is connected with the positioning lug 5 through a positioning part 9, the positioning part 9 comprises a positioning shaft 91 and a positioning sleeve 92 which are horizontally arranged, the axial directions of the positioning shaft 91 and the positioning sleeve 92 are the same as the axial direction of the positioning seat 3, the positioning shaft 91 is fixedly arranged on the side wall of the clamping plate 81 fixedly connected with the connecting plate 82, the lateral wall of one of them location lug 5 is equipped with the first through-hole 93 that supplies location axle 91 to pass, the fixed lateral wall that sets up at the grip block 81 of sliding connection on connecting plate 82 of position sleeve 92, the lateral wall of another location lug 5 is equipped with the second through-hole 94 that supplies the position sleeve 92 to pass, the aperture of second through-hole 94 is greater than the aperture of first through-hole 93, location axle 91 slides and connects the inside wall at position sleeve 92, the lateral wall that one of them grip block 81 was kept away from to location axle 91 and the inside wall that the position sleeve 92 kept away from location axle 91 all are equipped with magnet 95.

When the two clamping plates 81 abut against the side walls of the two positioning lugs 5 respectively, the positioning shaft 91 penetrates through the first through hole 93, the positioning sleeve 92 penetrates through the second through hole 94, and meanwhile, the positioning sleeve 92 is sleeved on the positioning shaft 91 in a sliding manner until the two magnets 95 are adsorbed to each other, and the positioning shaft 91 is stably fixed in the positioning sleeve 92; through with in positioning shaft 91 millet bottom in position sleeve 92, play limiting displacement to the skew of the vertical direction of location lug 5, and then help preventing when 2 welding to steel box girder, steel box girder 2 has further strengthened welding process's stability along vertical direction skew, has improved the efficiency of construction.

Referring to fig. 3 and 4, a height adjusting member 12 for driving the connecting plate 82 to ascend and descend is arranged on the adjusting block 7, the height adjusting member 12 includes a support plate 123, a winding disc 121 rotatably connected to the support plate 123, and a winding rope 122 wound on the winding disc 121, the support plate 123 is vertically arranged on the top wall of the adjusting block 7 and far away from one side of the connecting plate 82, the winding disc 121 is rotatably connected to one side wall of the support plate 123, a support block 124 is fixedly arranged on the side wall of the connecting plate 82 far away from the clamping plate 81, a guide column 127 is fixedly arranged on the top wall of the adjusting block 7 and near to one side of the support block 124, the guide column 127 is vertically arranged, the longitudinal section of the guide column 127 is arranged in an inverted L shape, the bottom end of the vertical end of the guide column 127 is fixedly arranged on the top wall of the adjusting block 7, the horizontal end of the top end of the guide column 127 extends to the upper side of the support block 124, the top end of the guide column 127 is rotatably connected with a guide wheel 128, the winding rope 122 passes through the guide wheel 128 and is fixedly connected with the top wall of the support block 124, the winding rope 122 is wound on the guide wheel 128, and the winding rope 122 above the support block 124 is vertically arranged by the guide wheel 128; a rotating shaft 125 is coaxially and fixedly arranged at the axis of the side wall of the winding disc 121, one end of the rotating shaft 125, which is far away from the winding disc 121, penetrates through the side wall of the support plate 123 and is provided with a handle 126, and the side wall of the support plate 123 is provided with a rotating hole for the rotating shaft 125 to rotate.

During adjustment, a person rotates the rotating shaft 125 through the handle 126 to drive the winding disc 121 to rotate, and the winding disc 121 unwinds or winds the winding rope 122; because the connecting plate 82 is lifted in the slot 10 through the inserting block 11, when the winding rope 122 is unwound, the supporting block 124 is lowered towards the adjusting block 7 under the action of the gravity of the connecting plate 82; when the coiling rope 122 is coiled, the coiling rope 122 drives the connecting plate 82 to move upwards in the direction away from the adjusting block 7 through the supporting block 124, so that the height of the connecting plate 82 is adjusted, the positioning shaft 91 is conveniently inserted into the first through hole 93, and the positioning sleeve 92 is inserted into the second through hole 94.

Referring to fig. 4, the locking assembly 13 includes two abutting bolts 131 arranged oppositely, both of the two abutting bolts 131 are connected to the adjusting block 7 by screw threads, the top wall of the adjusting block 7 is provided with two threaded holes 132 penetrating through the bottom wall thereof oppositely, the threaded holes 132 are in threaded fit with the abutting bolts 131, and one end of the abutting bolts 131 far away from the screw heads thereof passes through the threaded holes 132 and abuts against the groove bottom wall of the adjusting groove 6 opposite to the notches thereof; in this embodiment, the two side walls of the adjusting block 7 are fixedly provided with extending blocks 134, the two long side walls of the adjusting groove 6 adjacent to the notch thereof are both provided with extending grooves 133 for the extending blocks 134 to slide, and the length direction of the extending grooves 133 is parallel to the length direction of the adjusting groove 6; after adjusting block 7 to suitable position, will support tight bolt 131 and pass screw hole 132 and tightly support at the relative trough bottom wall of adjustment tank 6 rather than the notch, and then support tight bolt 131 and provide ascending reaction force for adjusting block 7, utilize the cooperation of extension piece 134 and extension groove 133 this moment, play limiting displacement to the vertical direction of adjusting block 7, help preventing that adjusting block 7 from deviating from adjustment tank 6 from the notch of adjustment tank 6 outside, and then under the effort that adjusting block 7 shifts up, the roof of extending piece 134 tightly supports at the adjacent trough top wall of extension groove 133 rather than the notch, and then utilize the frictional force between extension piece 134 lateral wall and the extension groove 133 cell wall, realized that adjusting block 7 is located the location in adjustment tank 6.

The implementation principle of the positioning mechanism for assembling the steel box girder in the embodiment of the application is as follows: firstly, a motor 41 is started, the motor 41 drives a bidirectional screw rod 42 to rotate, the bidirectional screw rod 42 drives two sliding blocks 43 to slide in a sliding groove 44 and to approach each other, so that two positioning seats 3 approach each other to proper positions, positioning spaces for splicing the steel box girders 2 are reserved on the opposite side walls of the two positioning seats 3 and the top wall of the splicing table 1, then the steel box girders 2 are hoisted and placed in the positioning spaces by utilizing a crane, the splicing positioning in the length direction of the steel box girders 2 is limited by the two positioning seats 3, and then personnel can push the steel box girders 2 to slide along the width direction of the steel box girders 2 by means of pushing equipment, so that the two adjacent steel box girders 2 are spliced and aligned.

After two adjacent steel box girders 2 are assembled and aligned, a motor 41 is started, the motor 41 drives a bidirectional screw rod 42 to rotate, the bidirectional screw rod 42 drives two sliding blocks 43 to be away from each other, so that two positioning seats 3 are away from the steel box girders 2, at the moment, a connecting plate 82 is placed on an adjusting block 7, an inserting block 11 is inserted into an inserting slot 10, so that two positioning lugs 5 are positioned between two clamping plates 81, then a person rotates a rotating shaft 125 through a handle 126, so that a winding disc 121 rotates, so that the winding disc 121 unwinds or unwinds a winding rope 122 according to the heights of the positioning lugs 5, so that a positioning shaft 91 is aligned with a first through hole 93, and a positioning sleeve 92 is aligned with a second through hole 94;

then the adjusting block 7 is slid, so that the clamping plate 81 fixed on the side wall of the connecting plate 82 abuts against the side wall of one of the positioning lugs 5, the positioning shaft 91 penetrates through the first through hole 93, then the electric cylinder 85 is started, the piston rod of the electric cylinder 85 extends out and drives the guide block 83 to slide in the guide groove 84, so that the guide sleeve penetrates through the second through hole 94, the positioning sleeve 92 gradually slides towards the direction close to the positioning shaft 91, so that the positioning shaft 91 is inserted into the positioning sleeve 92, until the two magnets 95 are mutually adsorbed, the positioning shaft 91 is fixed in the positioning sleeve 92, meanwhile, the two clamping plates 81 abut against the side walls of the two positioning lugs 5, so as to limit the positioning lugs 5 in the height direction and in the length direction of the positioning seat 3, finally, the abutting bolt 131 penetrates through the threaded hole 132 and abuts against the bottom wall of the adjusting groove 6 opposite to the notch of the adjusting groove, so that the extending block 134 abuts against the top groove wall of the extending groove 133, utilize the frictional force between extension piece 134 and the extension groove 133 groove top wall, realize that regulating block 7 is located the interior location of adjustment tank 6, when helping preventing the gap welding between two adjacent steel box girders 2, the phenomenon of skew appears in steel box girder 2, has improved the efficiency of construction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a positioning mechanism for assembling of steel box girder, includes assembly table (1), its characterized in that: also comprises two positioning seats (3) which are oppositely arranged, the two positioning seats (3) are arranged on the splicing table (1), an adjusting component (4) for adjusting the distance between the two positioning seats (3) is arranged on the assembling table (1), a positioning space for assembling a plurality of steel box girders (2) is formed between the two positioning seats (3), positioning lugs (5) are arranged on the side walls of the two adjacent steel box girders (2), an adjusting groove (6) is arranged on the positioning seat (3) along the length direction of the positioning seat, an adjusting block (7) is arranged in the adjusting groove (6) in a sliding manner, a clamping component (8) for clamping the two positioning lugs (5) is arranged on the adjusting block (7), and a locking assembly (13) for fixing the adjusting block (7) in the adjusting groove (6) is arranged on the side wall of the positioning seat (3).

2. The positioning mechanism for assembling of the steel box girder according to claim 1, wherein: adjusting part (4) include motor (41) and two-way lead screw (42), motor (41) are installed assemble on the platform (1), the drive shaft of motor (41) with the coaxial fixed connection of one end of two-way lead screw (42), assemble and fixedly on the platform (1) and be equipped with the support, the other end of two-way lead screw (42) with the lateral wall of support rotates and connects, the equal threaded connection in both ends of two-way lead screw (42) has slider (43), assemble and be equipped with the confession on platform (1) spout (44) that slider (43) slided, two slider (43) respectively with two positioning seat (3) one-to-one, slider (43) fixed connection is in on the end wall of positioning seat (3).

3. The positioning mechanism for assembling of the steel box girder according to claim 1, wherein: centre gripping subassembly (8) include grip block (81) of two relative settings, can dismantle on regulating block (7) and be equipped with connecting plate (82), one of them grip block (81) are fixed the lateral wall of connecting plate (82), another the lateral wall of grip block (81) is equipped with guide block (83), the lateral wall of connecting plate (82) is equipped with the confession guide way (84) that guide block (83) slided, be equipped with in guide way (84) and be used for the drive electric jar (85) that guide block (83) slided, two enclose between the relative lateral wall of grip block (81) and be formed with the centre gripping space that is used for two location lugs (5) of centre gripping, the lateral wall of grip block (81) pass through setting element (9) with location lug (5) link to each other.

4. The positioning mechanism for assembling of the steel box girder according to claim 3, wherein: the setting element (9) is including location axle (91) and position sleeve (92), location axle (91) sets up one of them the lateral wall of grip block (81), position sleeve (92) set up another the lateral wall of grip block (81), one of them the lateral wall of location lug (5) is equipped with the confession first through-hole (93) that location axle (91) passed, another the lateral wall of location lug (5) is equipped with the confession second through-hole (94) that position sleeve (92) passed, location axle (91) slide and connect the inside wall of position sleeve (92), the lateral wall of location axle (91) with the inside wall of position sleeve (92) all is equipped with magnet (95).

5. The positioning mechanism for the assembly of the steel box girder according to claim 3, wherein: the roof of regulating block (7) just is equipped with slot (10) along self direction of height, the diapire of connecting plate (82) is equipped with and is used for inserting and establishes inserted block (11) in slot (10), be equipped with on regulating block (7) and be used for the drive high regulating part (12) that connecting plate (82) go up and down.

6. The positioning mechanism for the assembly of the steel box girder according to claim 5, wherein: height adjustment spare (12) include rolling dish (121) and rolling rope (122), the lateral wall of regulating block (7) just keeps away from one side of connecting plate (82) is equipped with extension board (123), rolling dish (121) rotate and connect the lateral wall of extension board (123), the connecting plate (82) are kept away from the lateral wall of grip block (81) is equipped with branch piece (124), the one end of rolling rope (122) with branch piece (124) link to each other, the other end of rolling rope (122) is around rolling up on rolling dish (121), the coaxial pivot (125) that is equipped with of lateral wall of rolling dish (121), pivot (125) are kept away from the one end of rolling dish (121) is passed the lateral wall of extension board (123) and is equipped with handle (126), pivot (125) with extension board (123) rotate and are connected.

7. The positioning mechanism for assembling of the steel box girder according to claim 6, wherein: the adjusting block (7) is fixedly provided with a guide post (127), the top end of the guide post (127) extends to the upper part of the support block (124), the top end of the guide block (83) is rotatably connected with a guide wheel (128), and the winding rope (122) is wound on the guide wheel (128).

8. The positioning mechanism for assembling of the steel box girder according to claim 1, wherein: locking Assembly (13) including supporting tight bolt (131), adjustment tank (6) all are equipped with extending groove (133) rather than the both sides cell wall that the notch is adjacent, the length direction of extending groove (133) with the length direction syntropy of adjustment tank (6), the lateral wall of regulating block (7) is equipped with regulating block (7) that slides in adjustment tank (6), be equipped with on regulating block (7) with support tight bolt (131) screw thread complex screw hole (132), support tight bolt (131) and keep away from the one end of its spiral shell head and pass screw hole (132) and with the tank bottom wall butt of adjustment tank (6).