CN220927532U - Double-girder portal bridge erecting machine - Google Patents
Double-girder portal bridge erecting machine Download PDFInfo
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- CN220927532U CN220927532U CN202322561869.0U CN202322561869U CN220927532U CN 220927532 U CN220927532 U CN 220927532U CN 202322561869 U CN202322561869 U CN 202322561869U CN 220927532 U CN220927532 U CN 220927532U
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- 230000001276 controlling effect Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The application relates to the technical field of bridge erection and discloses a double-girder portal bridge crane which comprises a main girder frame, wherein two cranes are installed at the top of the main girder frame, a rectangular frame is arranged at the bottom of each crane, a hanger plate is arranged at the bottom of each rectangular frame, a fixing rod is fixedly connected to the top of each rectangular frame, the top of each fixing rod is fixedly connected with each crane, a regulating mechanism is arranged on each rectangular frame, and each regulating mechanism comprises a rope body. Through the design of regulation and control mechanism, the hanger plate can suspend the bridge plate, during this period, if the hanger plate appears rocking or the condition of slope, the hanger plate can drive the link plate removal of top both sides to impel the switch to obtain touching, after the switch obtains touching, the accessible link plate overturns, and the gyro wheel rolls at the hanger plate top, finally impels the gyro wheel to press the ascending position of hanger plate slope at the roll in-process, thereby reaches balance purpose, avoids the slope range to increase and leads to the occurence of failure.
Description
Technical Field
The application relates to the technical field of bridge erection, in particular to a double-girder portal bridge crane.
Background
The bridge girder erection machine is very common bridge girder erection equipment, is widely applied to the fields of high-speed railways, urban rail transit, highways, viaducts and the like, is used as bridge girder erection equipment for realizing high-efficiency and rapid completion of construction engineering, is an indispensable hoisting equipment in various traffic transportation construction, and is indispensible according to the structural form: single-nose bridge girder erection machine, double-cantilever bridge girder erection machine, etc.
Patent net publication number CN219547558U discloses a two girder portal bridge crane, which comprises a supporting rack, the lower surface of support frame is provided with the removal wheel, the side of support frame is seted up flutedly, the surface of recess is connected with first hydraulic telescoping rod through the axis of rotation, the flexible end of first hydraulic telescoping rod is connected with the supporting legs through the axis of rotation, the last fixed surface of support frame is connected with the girder, the side-mounting of girder has first motor, the slide has been seted up to the upper surface of girder, the output fixedly connected with lead screw of first motor, the lower surface of locomotive is provided with wire rope, wire rope's lower surface is provided with fixing device, the setting through first hydraulic telescoping rod and second hydraulic telescoping rod has reached the purpose of improving the stability of support frame, through the connecting plate, the movable plate, micro-gap switch and longitudinal alarm device's setting, the purpose of improving operation security has been reached.
The device makes early warning through setting up the mode that micro-gap switch and vertical alarm appear rocking the condition that appears in the transportation when transporting the bridge board above, but in actual transportation, because bridge board weight is great, in case appear transporting the condition that appears rocking in the in-process, all probably take place the security accident in very short time, above device lacks corresponding preprocessing function except carrying out early warning, and the security is lower.
Disclosure of utility model
In order to solve the problems, the application provides a double-girder portal bridge crane.
The application provides a double-girder portal bridge girder erection machine which adopts the following technical scheme:
The utility model provides a two girder gate-type bridge crane, includes the main beam frame, two cranes are installed at main beam frame top, the crane bottom is provided with the rectangle frame, rectangle frame bottom is provided with the hanger plate, rectangle frame top fixedly connected with dead lever, dead lever top and crane fixed connection, be provided with regulation and control mechanism on the rectangle frame.
The regulation and control mechanism comprises a rope body, rope body fixed connection is in rectangular frame bottom, hanger plate top and rope body bottom fixed connection, the horizontal groove has been seted up to rectangular frame bottom, the inside joint board that is provided with of rectangular frame, the joint board runs through horizontal groove and with horizontal groove phase-match, the inside sliding connection of joint board has the lifter plate, and the lifter plate extends the joint board outside, lifter plate bottom fixedly connected with gyro wheel, rectangular frame top fixedly connected with PLC controller, rectangular frame inner chamber top fixedly connected with rectangular plate, both sides all fixedly connected with switch around the rectangular plate, switch and PLC controller electric connection.
Through adopting above-mentioned technical scheme, the hanger plate can suspend the bridge plate, during this period, if the hanger plate appears rocking or the condition of slope, the hanger plate can drive the link plate removal of top both sides to impel the switch to obtain touching, after the switch obtains touching, the accessible link plate overturns, and the gyro wheel rolls at the hanger plate top, finally impels the gyro wheel to press the ascending position of hanger plate slope in the roll process, thereby reaches balance purpose, avoids the slope range to increase and leads to the occurence of failure.
Preferably, the hanger plate top fixedly connected with two bar frames, the inside sliding connection of bar frame has the movable plate, the movable plate extends the bar frame outside, offered the spacing groove on a bar frame lateral wall, movable plate one side fixedly connected with limiting plate, limiting plate runs through the spacing groove and with spacing groove phase-match, bar frame one side fixedly connected with square board, fixedly connected with spring between square board and the limiting plate.
By adopting the technical scheme, the spring has elastic acting force on the limiting plate.
Preferably, the through grooves are formed in the front side and the rear side of the rectangular frame, the two movable plates penetrate through the through grooves respectively, the top of each movable plate is fixedly connected with a touch plate, and the two touch plates are arranged on the front side and the rear side of the rectangular plate respectively.
By adopting the technical scheme, the touch pad can touch the switch.
Preferably, the inside round bar that rotates of rectangle frame is connected with, the round bar runs through the joint board and with joint board fixed connection, the gyro wheel bottom is laminated mutually with the hanger plate top, the inside strip shaped plate that is provided with of rectangle frame, strip shaped plate bottom fixedly connected with rack, the outside fixedly connected with gear of round bar, the rack sets up in the gear top, and rack and gear mesh.
By adopting the technical scheme, the rack can drive the gear to rotate after moving.
Preferably, a positioning plate is fixedly connected to one side wall of the inner cavity of the rectangular frame, the positioning plate penetrates through the strip-shaped plate, auxiliary plates are fixedly connected to the tops of the strip-shaped plate and the positioning plate, a first electric telescopic rod is fixedly connected between the two auxiliary plates, and the first electric telescopic rod is electrically connected with the PLC.
By adopting the technical scheme, the first electric telescopic rod can push the auxiliary plate at the top of the strip-shaped plate.
Preferably, the lifter plate is inside to be seted up the hole groove, the electronic telescopic link of second of adapter plate inner chamber top fixedly connected with, second electronic telescopic link and PLC controller electric connection, the electronic telescopic link of second extends into the hole inslot portion, and the inboard fixed connection of second electronic telescopic link bottom and hole groove.
By adopting the technical scheme, the lifting plate can be pushed and pulled by the second electric telescopic rod.
Preferably, an audible and visual alarm is fixedly connected to one side wall of the rectangular frame, and the audible and visual alarm is electrically connected with the switch.
By adopting the technical scheme, after the switch is touched, the audible and visual alarm starts to give an alarm to the outside.
In summary, the application has the following beneficial technical effects:
1. The utility model provides a two girder gate-type bridge crane, through the design of regulation and control mechanism, the hanger plate can hang the hanger plate, during this period, if the hanger plate appears rocking or the condition of slope, the hanger plate can drive the link plate removal of top both sides to make the switch obtain touching, after the switch obtains touching, accessible link plate overturns, the gyro wheel rolls at the hanger plate top, finally makes the gyro wheel press the ascending position of hanger plate slope at the roll in-process, thereby reaches balance purpose, avoids the slope range to increase and leads to the occurence of failure.
2. The utility model provides a two girder gate-type bridge crane, has realized carrying out balanced pressing with the one end of slope, avoids inclination to continue to increase and causes the purpose of accident, and simultaneously after the switch obtains touching, audible and visual alarm carries out audible and visual warning to the external world equally to this reaches the purpose of carrying out early warning to external staff, so that the staff handles rapidly, has greatly guaranteed the security of bridge in-process of setting up.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a rectangular frame according to the present utility model;
FIG. 3 is a cross-sectional block diagram of a rectangular frame in accordance with the present utility model;
fig. 4 is an enlarged view at a in fig. 3;
fig. 5 is a cross-sectional structural view of the connector plate of the present utility model.
Reference numerals illustrate: 1. a main beam frame; 2. a crane; 3. a rectangular frame; 4. a hanger plate; 5. a fixed rod; 6. a regulating mechanism; 61. a rope body; 62. a transverse groove; 63. a splice plate; 64. a lifting plate; 65. a roller; 66. a PLC controller; 67. a rectangular plate; 68. a switch; 69. a bar frame; 691. a moving plate; 692. a spring; 693. a touch pad; 694. a round bar; 695. a strip-shaped plate; 696. a rack; 697. a gear; 698. a positioning plate; 699. a first electric telescopic rod; 681. a second electric telescopic rod; 682. an audible and visual alarm.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a double-girder portal bridge crane. Referring to fig. 1-5, a double-girder portal bridge crane comprises a main girder 1, two cranes 2 are installed at the top of the main girder 1, a rectangular frame 3 is arranged at the bottom of the cranes 2, a hanger plate 4 is arranged at the bottom of the rectangular frame 3, a fixed rod 5 is fixedly connected to the top of the rectangular frame 3, the top of the fixed rod 5 is fixedly connected with the cranes 2, a regulating and controlling mechanism 6 is arranged on the rectangular frame 3, the regulating and controlling mechanism 6 comprises a rope body 61, the rope body 61 is fixedly connected to the bottom of the rectangular frame 3, the top of the hanger plate 4 is fixedly connected with the bottom of the rope body 61, a transverse groove 62 is formed at the bottom of the rectangular frame 3, a connecting plate 63 is arranged in the rectangular frame 3, the connecting plate 63 penetrates through the transverse groove 62 and is matched with the transverse groove 62, a lifting plate 64 is connected in a sliding manner inside the connecting plate 63, the lifting plate 64 extends out of the connecting plate 63, and a roller 65 is fixedly connected to the bottom of the lifting plate 64;
The PLC controller 66 is fixedly connected to the top of the rectangular frame 3, the rectangular plate 67 is fixedly connected to the top of the inner cavity of the rectangular frame 3, the switches 68 are fixedly connected to the front side and the rear side of the rectangular plate 67, the switches 68 are electrically connected with the PLC controller 66, the hanger plate 4 can suspend the bridge plate, during the period, if the hanger plate 4 shakes or inclines, the hanger plate 4 can drive the connecting plates 63 on the two sides of the top to move, so that the switch 68 is enabled to be touched, after the switch 68 is touched, the connecting plates 63 can be overturned, the roller 65 rolls on the top of the hanger plate 4, and finally the roller 65 is enabled to press the inclined upward part of the hanger plate 4 in the rolling process, so that the balance purpose is achieved, and accidents caused by the increase of the inclination amplitude are avoided.
The top of the hanging plate 4 is fixedly connected with two bar frames 69, the inside of the bar frames 69 is slidably connected with a moving plate 691, the moving plate 691 extends out of the bar frames 69, a limit groove is formed in one side wall of each bar frame 69, one side of each moving plate 691 is fixedly connected with a limit plate, each limit plate penetrates through each limit groove and is matched with each limit groove, one side of each bar frame 69 is fixedly connected with a square plate, a spring 692 is fixedly connected between each square plate and each limit plate, elastic acting force exists on each limit plate by the springs 692, through grooves are formed in the front side and the rear side of each rectangular frame 3, the two moving plates 691 penetrate through the two through grooves respectively, the tops of the moving plates 691 are fixedly connected with touch plates 693, the two touch plates 693 are arranged on the front side and the rear side of each rectangular plate 67 respectively, and the touch plates 693 can touch the switches 68;
The inside rotation of rectangular frame 3 is connected with round bar 694, round bar 694 runs through joint board 63 and with joint board 63 fixed connection, gyro wheel 65 bottom is laminated with hanger plate 4 top mutually, rectangular frame 3 is inside to be provided with strip shaped plate 695, strip shaped plate 695 bottom fixedly connected with rack 696, round bar 694 outside fixedly connected with gear 697, rack 696 sets up in gear 697 top, and rack 696 meshes with gear 697, rack 696 can drive gear 697 after moving and rotate, fixedly connected with locating plate 698 on rectangular frame 3 inner chamber lateral wall, locating plate 698 runs through strip shaped plate 695, strip shaped plate 695 and locating plate 698 top all fixedly connected with accessory plate, fixedly connected with first electric telescopic handle 699 between two accessory plates, first electric telescopic handle 699 and PLC controller 66 electric connection, first electric telescopic handle 699 can promote the accessory plate at strip shaped plate 695 top;
The lifting plate 64 is internally provided with a hole slot, the top of the inner cavity of the connecting plate 63 is fixedly connected with a second electric telescopic rod 681, the second electric telescopic rod 681 is electrically connected with the PLC controller 66, the second electric telescopic rod 681 extends into the hole slot, the bottom of the second electric telescopic rod 681 is fixedly connected with the inner side of the hole slot, the second electric telescopic rod 681 can push and pull the lifting plate 64, an audible and visual alarm 682 is fixedly connected to one side wall of the rectangular frame 3, the audible and visual alarm 682 is electrically connected with the switch 68, and after the switch 68 is touched, the audible and visual alarm 682 starts alarming to the outside.
In the actual operation process, the device is firstly powered on, when in operation, the crane 2 can move on the main beam frame 1, the bridge plate can be suspended by the suspending plate 4 at the bottom of the crane 2 in the movement process, the purpose of moving and erecting the bridge is realized, when the suspended bridge plate tilts or shakes in the transportation process, the suspending plate drives the suspending plate 4 to tilt or overturn, at the moment, the suspending plate 4 tilts or overturns upwards, the bar frame 69 at one side of the upward tilting of the suspending plate 4 moves, after the touch plate 693 at the top of the bar frame 69 touches the switch 68 at the one side, as the square plate is connected with the limiting plate at the side of the moving plate 691 through the spring 692, after the switch 68 is touched, if the tilting continues, the switch 68 can still be ensured by the shrinkage of the spring 692, and the switch 68 is not damaged due to the strong pushing, thereby improving the safety;
when a certain switch 68 is touched, the first electric telescopic rod 699 pushes and pulls the auxiliary plate at the top of the strip plate 695 after working, the auxiliary plate drives the strip plate 695 to move, the strip plate 695 drives the rack 696 at the bottom to move, the rack 696 drives the gear 697 to rotate, the gear 697 drives the round rod 694 to rotate, the round rod 694 drives the joint plate 63 to swing by taking the round rod 694 as an axis, the joint plate 63 drives the lifting plate 64 to swing at the moment, the lifting plate 64 drives the roller 65 to roll towards one side of the lifting plate 4, the second electric telescopic rod 681 pushes the lifting plate 64 to push the lifting plate 64 to move towards the outer side of the joint plate 63 while the roller 65 rolls, so that the purpose of balanced pressing of the inclined end and the accident caused by continuous increase of the inclination angle is achieved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. The utility model provides a two girder gate-type bridge crane, includes main beam frame (1), its characterized in that: two cranes (2) are arranged at the top of the main beam frame (1), a rectangular frame (3) is arranged at the bottom of each crane (2), a hanging plate (4) is arranged at the bottom of each rectangular frame (3), a fixing rod (5) is fixedly connected to the top of each rectangular frame (3), the top of each fixing rod (5) is fixedly connected with each crane (2), and a regulating mechanism (6) is arranged on each rectangular frame (3);
The utility model provides a regulation and control mechanism (6) is including rope body (61), rope body (61) fixedly connected with rectangular frame (3) bottom, hanger plate (4) top and rope body (61) bottom fixed connection, horizontal groove (62) have been seted up to rectangular frame (3) bottom, rectangular frame (3) inside is provided with joint board (63), joint board (63) run through horizontal groove (62) and with horizontal groove (62) assorted, joint board (63) inside sliding connection has lifter plate (64), lifter plate (64) extend joint board (63) outside, lifter plate (64) bottom fixedly connected with gyro wheel (65), rectangular frame (3) top fixedly connected with PLC controller (66), rectangular frame (3) inner chamber top fixedly connected with rectangular plate (67), both sides all fixedly connected with switch (68) around rectangular plate (67), switch (68) and PLC controller (66) electric connection.
2. The double girder portal bridge girder erection machine according to claim 1, wherein: the lifting plate is characterized in that two bar frames (69) are fixedly connected to the top of the lifting plate (4), a moving plate (691) is connected to the inside of the bar frames (69) in a sliding mode, the moving plate (691) extends out of the bar frames (69), a limiting groove is formed in one side wall of each bar frame (69), a limiting plate is fixedly connected to one side of each moving plate (691), the limiting plate penetrates through the limiting groove and is matched with the limiting groove, a square plate is fixedly connected to one side of each bar frame (69), and a spring (692) is fixedly connected between the square plate and the limiting plate.
3. The double girder portal bridge girder erection machine according to claim 1, wherein: through grooves are formed in the front side and the rear side of the rectangular frame (3), two movable plates (691) penetrate through the through grooves respectively, touch panels (693) are fixedly connected to the tops of the movable plates (691), and the two touch panels (693) are arranged on the front side and the rear side of the rectangular plate (67) respectively.
4. The double girder portal bridge girder erection machine according to claim 1, wherein: the utility model discloses a rectangular frame (3) is inside to rotate and is connected with round bar (694), round bar (694) runs through joint board (63) and with joint board (63) fixed connection, gyro wheel (65) bottom is laminated mutually with hanger plate (4) top, rectangular frame (3) inside is provided with strip shaped plate (695), strip shaped plate (695) bottom fixedly connected with rack (696), round bar (694) outside fixedly connected with gear (697), rack (696) set up in gear (697) top, and rack (696) meshes with gear (697).
5. The double girder portal bridge girder erection machine according to claim 1, wherein: a positioning plate (698) is fixedly connected to one side wall of an inner cavity of the rectangular frame (3), the positioning plate (698) penetrates through the strip-shaped plate (695), auxiliary plates are fixedly connected to the tops of the strip-shaped plate (695) and the positioning plate (698), a first electric telescopic rod (699) is fixedly connected between the two auxiliary plates, and the first electric telescopic rod (699) is electrically connected with the PLC (66).
6. The double girder portal bridge girder erection machine according to claim 1, wherein: the lifting plate (64) is internally provided with a hole slot, the top of the inner cavity of the connecting plate (63) is fixedly connected with a second electric telescopic rod (681), the second electric telescopic rod (681) is electrically connected with the PLC (66), the second electric telescopic rod (681) extends into the hole slot, and the bottom of the second electric telescopic rod (681) is fixedly connected with the inner side of the hole slot.
7. The double girder portal bridge girder erection machine according to claim 1, wherein: an audible and visual alarm (682) is fixedly connected to one side wall of the rectangular frame (3), and the audible and visual alarm (682) is electrically connected with the switch (68).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561869.0U CN220927532U (en) | 2023-09-21 | 2023-09-21 | Double-girder portal bridge erecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561869.0U CN220927532U (en) | 2023-09-21 | 2023-09-21 | Double-girder portal bridge erecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220927532U true CN220927532U (en) | 2024-05-10 |
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ID=90939302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322561869.0U Active CN220927532U (en) | 2023-09-21 | 2023-09-21 | Double-girder portal bridge erecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220927532U (en) |
-
2023
- 2023-09-21 CN CN202322561869.0U patent/CN220927532U/en active Active
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