CN213508088U

CN213508088U - Variable cross-section steel box girder die carrier

Info

Publication number: CN213508088U
Application number: CN202022241650.9U
Authority: CN
Inventors: 张健; 汪雅琴
Original assignee: Wuhan Qianwei Steel Structure Co ltd
Current assignee: Wuhan Qianwei Steel Structure Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-22
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a variable cross section steel box girder die carrier, pier including fixed die carrier, the outer wall of pier has cup jointed fixed cover, and the both sides outer wall of fixed cover all is provided with installation mechanism, one side outer wall of fixed cover is provided with actuating mechanism, two installation mechanism top outer wall all is provided with fixed establishment, the both sides outer wall of pier all is provided with the support frame, and the one end of two support frames is respectively through the bolt fastening on two installation mechanisms, two be connected with the connecting rod between the support frame, installation mechanism includes the installing frame, and the both sides inner wall of installing frame all welds the connecting plate that the equidistance distributes. The utility model discloses a two lead screws of dual output shaft motor drive among the actuating mechanism rotate, through two fixed establishment of dual output shaft motor drive, ensure that two fixed establishment's displacement is the same, are convenient for fix the steel box girder through the pneumatic cylinder among the fixed establishment, have solved the inconvenient problem of adjusting of current steel box girder die carrier.

Description

Variable cross-section steel box girder die carrier

Technical Field

The utility model relates to a steel box girder technical field especially relates to a variable cross section steel box girder die carrier.

Background

The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on a bridge with a large span and is called a steel box girder because the steel box girder is like a box, and the steel box girder is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in a full-welding mode. The top plate is an orthotropic bridge deck composed of a cover plate and longitudinal stiffening ribs.

The steel box girder die carrier is used for supporting a steel box girder die, but the existing die carrier is difficult to adjust after installation, and once deviation occurs, rework is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a variable cross-section steel box girder die carrier.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a variable cross-section steel box girder die carrier comprises a bridge pier for fixing the die carrier, wherein the outer wall of the bridge pier is sleeved with a fixing sleeve, the outer walls of two sides of the fixing sleeve are respectively provided with a mounting mechanism, the outer wall of one side of the fixing sleeve is provided with a driving mechanism, the outer wall of the top of two mounting mechanisms is respectively provided with a fixing mechanism, the outer walls of two sides of the bridge pier are respectively provided with a support frame, one end of each support frame is respectively fixed on the two mounting mechanisms through bolts, a connecting rod is connected between the two support frames, the mounting mechanisms comprise mounting frames, the inner walls of two sides of the mounting frames are respectively welded with connecting plates distributed at equal intervals, the two sides of the outer wall of the top of each connecting plate are respectively fixed with a slide rail through bolts, the fixing mechanisms are slidably connected on the two, the fixing mechanism is connected to the lead screw in a threaded mode, the driving mechanism comprises a case, the inner wall of the bottom of the case is fixedly provided with a double-output-shaft motor through bolts, driving gears are sleeved on two output shafts of the double-output-shaft motor, and the outer walls of the two sides of the case are provided with protective covers.

Preferably, the fixing mechanism comprises an installation box, and a hydraulic cylinder is arranged on the inner wall of the bottom of the installation box.

Preferably, the outer wall of the top of the mounting box is fixed with a fixing plate through a bolt, and the outer wall of the top of the fixing plate is provided with a round opening.

Preferably, the piston rod of the hydraulic cylinder penetrates through the round opening and is sleeved with the clamping plate, and the outer wall of the top of the piston rod of the hydraulic cylinder is connected with the limiting disc in a threaded mode.

Preferably, two sides of the outer wall of the bottom of the limiting disc are provided with compression springs.

Preferably, the two driving gears are meshed with the two driven gears respectively.

Preferably, the double-output-shaft motor and the hydraulic cylinder are both connected with a switch through a wire, and the switch is connected with a power line through a wire.

The utility model has the advantages that:

1. according to the variable-section steel box girder die carrier, the lead screws are arranged in the two mounting mechanisms, the two lead screws are driven to rotate through the double-output-shaft motor in the driving mechanism, so that the two fixing mechanisms are driven, the two fixing mechanisms are driven through the double-output-shaft motor, the moving distances of the two fixing mechanisms are ensured to be the same, a steel box girder can be conveniently fixed through the hydraulic cylinder in the fixing mechanism, and the problem that the conventional steel box girder die carrier is inconvenient to adjust is solved.

Drawings

Fig. 1 is a schematic structural view of a variable cross-section steel box girder formwork in a front view according to the present invention;

fig. 2 is a schematic view of an overhead structure of the mounting mechanism of the variable cross-section steel box girder formwork provided by the present invention;

fig. 3 is a schematic view of a sectional structure of a driving mechanism of a variable cross-section steel box girder formwork provided by the utility model;

fig. 4 is the utility model provides a fixed establishment structure sketch map of variable cross section steel box girder die carrier.

In the figure: the device comprises a pier 1, a fixed sleeve 2, a driving mechanism 3, a mounting mechanism 4, a fixing mechanism 5, a supporting frame 6, a connecting rod 7, a mounting frame 8, a connecting plate 9, a sliding rail 10, a lead screw 11, a driven gear 13, a chassis 14, a dual-output-shaft motor 15, a driving gear 16, a protective cover 17, a mounting box 18, a hydraulic cylinder 19, a fixing plate 20, a clamping plate 21 and a limiting plate 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a variable cross-section steel box girder formwork comprises a pier 1 for fixing the formwork, a fixing sleeve 2 is sleeved on the outer wall of the pier 1, mounting mechanisms 4 are arranged on the outer walls of two sides of the fixing sleeve 2, a driving mechanism 3 is arranged on the outer wall of one side of the fixing sleeve 2, two lead screws are driven to rotate by a double-output shaft motor in the driving mechanism so as to drive two fixing mechanisms, fixing mechanisms 5 are arranged on the outer walls of the tops of the two mounting mechanisms 4, supporting frames 6 are arranged on the outer walls of two sides of the pier 1, one ends of the two supporting frames 6 are respectively fixed on the two mounting mechanisms 4 through bolts, a connecting rod 7 is connected between the two supporting frames 6, the mounting mechanism 4 comprises a mounting frame 8, connecting plates 9 distributed at equal intervals are welded on the inner walls of two sides of the mounting, the fixing mechanism 5 is connected on two slide rails 10 in a sliding manner, the two fixing mechanisms are driven by a double-output-shaft motor to ensure that the moving distances of the two fixing mechanisms are the same, the inner walls of two sides of the mounting frame 8 are both fixed with a lead screw 11 through a bearing, the outer wall of one end of the lead screw 11 is sleeved with a driven gear 13, the fixing mechanism 5 is screwed on the lead screw 11, the driving mechanism 3 comprises a case 14, the inner wall of the bottom of the case 14 is fixed with a double-output-shaft motor 15 through a bolt, two output shafts of the double-output-shaft motor 15 are both sleeved with a driving gear 16, the outer walls of two sides of the case 14 are both provided with a protective cover 17, the fixing mechanism 5 comprises a mounting case 18, the inner wall of the bottom of the mounting case 18 is provided with a hydraulic cylinder 19, the outer wall of the top of the mounting case 18, and the outer wall spiro union of 19 piston rods of pneumatic cylinder has spacing dish 22, and the both sides of the outer wall of spacing dish 22 bottom all are provided with pressure spring, and two driving gears 16 are engaged with two driven gear 13 respectively, and dual output shaft motor 15 and pneumatic cylinder 19 all are connected with the switch through the wire, and the switch is connected with the power cord through the wire.

The working principle is as follows: when the device is used, the mounting mechanisms 4 are fixed on the bridge pier 1, the screw rods 11 are arranged in the two mounting mechanisms 4, the two screw rods 11 are driven to rotate by the double-output-shaft motor 15 in the driving mechanism 3, the two fixing mechanisms 5 are further driven, the two fixing mechanisms 5 are driven by the double-output-shaft motor 15, the moving distances of the two fixing mechanisms 5 are ensured to be the same, and the steel box girders are convenient to fix through the hydraulic cylinders 19 in the fixing mechanisms 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The variable cross-section steel box girder die carrier comprises a pier (1) of a fixed die carrier and is characterized in that a fixed sleeve (2) is sleeved on the outer wall of the pier (1), the outer walls of the two sides of the fixed sleeve (2) are respectively provided with an installing mechanism (4), one outer wall of one side of the fixed sleeve (2) is provided with a driving mechanism (3), the outer wall of the top of the installing mechanism (4) is respectively provided with a fixing mechanism (5), the outer walls of the two sides of the pier (1) are respectively provided with a supporting frame (6), one ends of the two supporting frames (6) are respectively fixed on the two installing mechanisms (4) through bolts, a connecting rod (7) is connected between the supporting frames (6), each installing mechanism (4) comprises an installing frame (8), connecting plates (9) distributed on the inner walls of the two sides of the installing frame (8) at equal intervals are welded, and sliding rails (10, fixed establishment (5) sliding connection is on two slide rails (10), the both sides inner wall of installing frame (8) all is fixed with lead screw (11) through the bearing, and the one end outer wall of lead screw (11) has cup jointed driven gear (13), fixed establishment (5) spiro union is on lead screw (11), actuating mechanism (3) are including quick-witted case (14), and the bottom inner wall of quick-witted case (14) has dual output shaft motor (15) through the bolt fastening, driving gear (16) have all been cup jointed to two output shafts of dual output shaft motor (15), the both sides outer wall of quick-witted case (14) all is provided with safety cover (17).

2. The variable cross-section steel box girder formwork according to claim 1 is characterized in that the fixing mechanism (5) comprises a mounting box (18), and a hydraulic cylinder (19) is arranged on the inner wall of the bottom of the mounting box (18).

3. The variable cross-section steel box girder formwork of claim 2, wherein the fixing plate (20) is fixed on the outer wall of the top of the installation box (18) through bolts, and the outer wall of the top of the fixing plate (20) is provided with a round opening.

4. The variable cross-section steel box girder die carrier as claimed in claim 3, wherein the piston rod of the hydraulic cylinder (19) penetrates through the round opening and is sleeved with the clamping plate (21), and the outer wall of the top of the piston rod of the hydraulic cylinder (19) is screwed with the limiting disc (22).

5. The variable cross-section steel box girder formwork according to claim 4 is characterized in that compression springs are arranged on two sides of the outer wall of the bottom of the limiting disc (22).

6. The variable cross-section steel box girder formwork according to claim 1, wherein the two driving gears (16) are engaged with the two driven gears (13), respectively.

7. The variable cross-section steel box girder formwork of claim 1, wherein the double output shaft motor (15) and the hydraulic cylinder (19) are connected with a switch through wires, and the switch is connected with a power line through wires.