CN215366817U - Arch rib maintenance vehicle truss structure capable of avoiding obstacles - Google Patents
Arch rib maintenance vehicle truss structure capable of avoiding obstacles Download PDFInfo
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- CN215366817U CN215366817U CN202121199058.5U CN202121199058U CN215366817U CN 215366817 U CN215366817 U CN 215366817U CN 202121199058 U CN202121199058 U CN 202121199058U CN 215366817 U CN215366817 U CN 215366817U
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- sliding
- connecting seat
- truss
- arch rib
- rotary connecting
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Abstract
The utility model relates to the technical field of bridge maintenance, and particularly discloses an arch rib maintenance vehicle truss structure capable of avoiding obstacles. The utility model effectively avoids the barrier at the bottom of the arch ring in the maintenance process, so that the maintenance work is smoothly carried out.
Description
Technical Field
The utility model relates to the technical field of bridge maintenance, in particular to an arch rib maintenance vehicle truss structure capable of avoiding obstacles.
Background
For the through type and through type tied complex arch bridge, the lower part of the arch ring is provided with a suspension rod, a stay cable, a reticular stay cable and other complex structures. The inspection of the arch rib maintenance vehicle on the bottom surface of the lower part of the arch ring, the cable anchor head, the arch rib connecting surface and other parts is difficult.
The existing maintenance vehicle mainly utilizes an aerial work hanging basket to carry out inspection on the bottom surface of the arch ring. Through the overhead working hanging basket, the inspection of the bottom surface of the lower part of the arch ring, the stay cable anchor rod, the arch rib connecting surface and other areas can be realized. But the hanging basket and the suspension arm are flexibly connected through the steel wire rope, so that the swinging is large, the wind resistance is low, and great potential safety hazards exist in the operation process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a truss structure of an arch rib maintenance vehicle, which effectively avoids obstacles at the bottom of an arch ring in the maintenance process and enables maintenance work to be smoothly carried out.
The technical problem to be solved by the utility model is as follows:
the utility model provides an arch rib maintenance car truss structure that can dodge barrier, includes vertical truss, the rotary mechanism of being connected with vertical truss bottom, the gallows that slides of being connected with rotary mechanism, with the gallows sliding fit's of sliding horizontal truss and be used for controlling horizontal truss to do rectilinear motion in the horizontal direction.
During assembly, the rotating mechanism, the sliding hanger and the horizontal truss are sequentially arranged at the bottom of the vertical truss;
during installation, the vertical truss is installed on the side face of the arch ring, so that the horizontal truss can enter the bottom of the arch ring to be overhauled under the driving of the sliding driving mechanism; when the utility model is used for a through-type and through-type tied-bar complex arch bridge, the lower part of an arch ring is provided with a suspension rod, a stay cable, a reticular stay cable and other complex structures; the degree of difficulty greatly increased that will make horizontal truss get into the arch ring bottom and overhaul like this, the symmetry has set up rotary mechanism between gallows and the vertical truss that slides, and gallows and horizontal truss rotate at the horizontal direction through rotary mechanism control to can effectually avoid the barrier of arch ring bottom, and then enter into the arch ring bottom and overhaul work.
In some possible embodiments, in order to effectively realize that the horizontal truss and the sliding hanger rotate in the horizontal direction by taking the axis of the vertical truss as a rotating shaft; the rotating mechanism comprises an upper rotary connecting seat connected with the vertical truss, an inner ring connected with the bottom of the upper rotary connecting seat, an outer ring coaxially arranged with the inner ring and positioned on the outer side of the inner ring, and a rotary driving device for driving the outer ring to rotate around the axis of the outer ring; the outer ring is connected with the sliding hanging bracket.
In some possible embodiments, the outer side of the outer ring is in a tooth-shaped structure, and the rotation driving device comprises a rotary gear meshed with the tooth-shaped structure and a rotary driving motor mounted on the upper rotary connecting seat and connected with the rotary gear.
In some possible embodiments, in order to effectively realize the connection of the rotating mechanism and the sliding hanger, the rotating mechanism further comprises a lower rotary connecting seat connected with the outer ring; the lower rotary connecting seat is connected with the sliding hanging bracket in a sliding manner.
In some possible embodiments, in order to effectively realize that the sliding hanger and the horizontal truss do linear motion in the horizontal direction so as to enter the bottom of the arch ring or leave the bottom of the arch ring; the sliding driving mechanism comprises a sliding rack horizontally arranged along the length direction of the sliding hanging bracket, a sliding gear meshed with the sliding rack, and a sliding driving motor which is in transmission connection with the sliding gear and is installed on the lower rotary connecting seat.
In some possible embodiments, in order to effectively realize the connection between the lower rotary connecting seat and the sliding hanging bracket, the utility model is prevented from overturning in the use process; the outer sides of the two sides of the sliding hanger in the length direction are respectively provided with an external guide groove, and the lower rotary connecting seat is provided with a thrust wheel assembly in sliding fit with the external guide grooves.
In some possible embodiments, the lower rotary connecting seat is further provided with a guide wheel set used in cooperation with the sliding hanger.
In some possible embodiments, in order to effectively avoid the occurrence of a falling accident when the thrust wheel assembly fails; the anti-falling mechanism is arranged on the lower rotary connecting seat and is an L-shaped hanging plate, and one end of the anti-falling mechanism is connected with the lower rotary connecting seat and is positioned in an external guide groove.
In some possible embodiments, in order to effectively strengthen the stability of the whole device when the horizontal truss is used for overhauling the bottom of the arch ring; the top of the horizontal truss is provided with an electromagnetic absorption device; in order to limit the rotation of the rotating mechanism; the inner side of the upper rotary connecting seat is provided with a rotary limiting sensor and a rotary limiting upper stop block, and the inner side of the lower rotary connecting seat is provided with a rotary limiting lower stop block matched with the rotary limiting sensor and the rotary limiting upper stop block for use.
In some possible embodiments, to avoid the slipping hanger from disengaging from the lower swivel attachment socket; a sliding limit stop block is arranged on the inner side of the sliding hanger; and a sliding limit sensor matched with the sliding limit stop block is arranged on the lower rotary connecting seat.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through arranging the rotating mechanism and the sliding driving mechanism, the sliding hanger and the horizontal truss can be rotated in the horizontal direction through the rotating mechanism when the bottom of the arch ring is overhauled, and after the position meeting the requirement is reached, the sliding truss and the horizontal truss can enter the bottom of the arch ring for overhauling through the sliding driving mechanism; the maintenance of the outer side surface of the arch ring can be carried out when the length direction of the horizontal truss is parallel to the outer side surface of the arch ring by arranging the rotating mechanism;
the anti-falling mechanism is arranged to effectively avoid falling in the maintenance process;
the utility model can rotate according to a set angle by arranging the rotary limit sensor, the rotary limit lower stop block and the rotary limit upper stop block, thereby avoiding the cable pulling and the disordered electrical logic control;
according to the utility model, the sliding limit stop block and the sliding limit sensor are arranged, so that the sliding hanger is effectively prevented from being separated from the lower rotary connecting seat during horizontal movement, and accidents are avoided.
Drawings
FIG. 1 is a schematic view of a connection structure in the present invention;
FIG. 2 is an enlarged, fragmentary, top view of FIG. 1;
FIG. 3 is an isometric view of the present invention;
FIG. 4 is an enlarged schematic view A of FIG. 3;
wherein: 3. a vertical truss; 41. a sliding hanger; 411. an outer channel guide; 42. a horizontal truss; 43. a slip drive mechanism; 431. a sliding rack; 432. a slip drive motor; 44. an electromagnetic attraction device; 5. a rotation mechanism; 51. an upper rotary connecting seat; 510. a rotary drive motor; 511. a rotation limit sensor; 512. an upper rotary limit stop block; 52. a lower rotary connecting seat; 521. a thrust wheel assembly; 522. a pulley block; 523. an anti-falling mechanism; 524. a lower rotary limit stop block; 6. the ladder is climbed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the utility model as claimed, but is merely representative of selected embodiments of the utility model.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the drawings of the present invention, it should be understood that different technical features which are not mutually substituted are shown in the same drawing only for the convenience of simplifying the drawing description and reducing the number of drawings, and the embodiment described with reference to the drawings does not indicate or imply that all the technical features in the drawings are included, and thus the present invention is not to be construed as being limited thereto.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in detail below.
As shown in fig. 1-4;
an arch rib maintenance vehicle truss structure capable of avoiding obstacles comprises a vertical truss 3, a rotating mechanism 5 connected with the bottom of the vertical truss 3, a sliding hanger 41 connected with the rotating mechanism 5, a horizontal truss 42 in sliding fit with the sliding hanger 41, and a sliding driving mechanism 43 used for controlling the horizontal truss 42 to do linear motion in the horizontal direction.
During assembly, the rotating mechanism 5, the sliding hanger 41 and the horizontal truss 42 are sequentially arranged at the bottom of the vertical truss 3; the vertical truss 3 is arranged on the top of the arch ring through other facilities and can slide along the long direction of the arch ring;
during installation, the vertical truss 3 is installed on the side surface of the arch ring, so that the horizontal truss 42 can enter the bottom of the arch ring for maintenance under the driving of the sliding driving mechanism 43; when the utility model is used for a through-type and through-type tied-bar complex arch bridge, the lower part of an arch ring is provided with a suspension rod, a stay cable, a reticular stay cable and other complex structures; the difficulty that will make horizontal truss 42 get into the arch ring bottom and overhaul greatly increased like this, the symmetry has set up rotary mechanism 5 between gallows 41 and vertical truss 3 that slides, and gallows 41 and horizontal truss 42 rotate at the horizontal direction through rotary mechanism 5 control to can effectually avoid the barrier of arch ring bottom, and then enter into the arch ring bottom and overhaul work.
In some possible embodiments, in order to effectively realize that the horizontal truss 42 and the sliding hanger 41 rotate in the horizontal direction by taking the axis of the vertical truss 3 as a rotating shaft; the rotating mechanism 5 can be realized by the matching of gears and can also be realized by a rotary support;
preferably, when the rotation support is adopted for implementation, as shown in fig. 2, 3 and 4, the rotation mechanism 5 includes an upper rotation connecting seat 51 connected with the vertical truss 3, an inner ring connected with the bottom of the upper rotation connecting seat 51, an outer ring coaxially arranged with the inner ring and located at the outer side of the inner ring, and a rotation driving device for driving the outer ring to rotate around the axis of the outer ring; the outer ring is connected with a sliding hanger 41.
The rotating mechanism 5 is arranged at the bottom of the vertical truss 3 and is connected with the sliding hanger 41; preferably, the horizontal truss 42 is installed at the bottom of the sliding hanger and connected with the sliding hanger 41; the sliding is realized under the driving of a sliding driving mechanism 43, and the sliding hanging foot and the horizontal truss 42 do linear motion in the horizontal direction;
in some possible embodiments, as shown in fig. 1, the outer side of the outer ring has a tooth-shaped structure, and the rotation driving device includes a rotation gear engaged with the tooth-shaped structure, and a rotation driving motor 510 mounted on the upper rotation connecting seat 51 and connected with the rotation gear.
During rotation, the rotation driving motor 510 is started to drive the rotation gear to rotate, so that the outer ring rotates, and the outer ring rotates relative to the axis of the vertical truss 3 because the outer ring and the inner ring are coaxial and rotationally connected.
In some possible embodiments, in order to effectively connect the rotating mechanism 5 with the sliding hanger 41, the rotating mechanism 5 further comprises a lower swivel connection seat 52 connected with the outer ring; the lower rotary connecting seat 52 is slidably connected with the sliding hanger 41.
The sliding driving mechanism 43 may be a driving device made by the lead screw principle; the chain wheel and the chain can be matched to realize linear motion in the horizontal direction; the matching of the rack and the gear can also be adopted.
When the gear and rack cooperation is adopted to realize the movement in the horizontal direction, the sliding driving mechanism 43 comprises a sliding rack 431 horizontally arranged along the length direction of the sliding hanger 41, a sliding gear engaged with the sliding rack 431, and a sliding driving motor 432 in transmission connection with the sliding gear and installed on the lower rotary connecting base 52.
When horizontally sliding, the sliding driving motor 432 installed on the lower rotary connecting base 52 rotates, so that the sliding gear connected with the output shaft of the sliding driving motor 432 rotates, and since the sliding gear is meshed with the rack, the sliding hanger 41 and the horizontal truss 42 provided with the sliding rack 431 will move in the horizontal direction under the condition that the sliding gear only rotates and does not move; thereby realizing entering the bottom of the arch ring or leaving the arch ring from the bottom of the arch ring;
preferably, the sliding hanger 41 comprises two supporting beams which are arranged in parallel and connected with the lower rotary connecting seat 52, and the sliding rack 431 is arranged on the inner side surface of one of the supporting beams; certainly, two sliding racks 431 can be provided, and at this time, two sets of corresponding sliding gears are provided, and the sliding truss and the horizontal truss 42 are driven to move under the condition that the two sets of sliding driving motors 432 synchronously move, and at this time, the driving directions of the two sets of sliding driving motors 432 are opposite;
in some possible embodiments, as shown in fig. 4, in order to effectively connect the lower rotary connecting seat 52 with the sliding hanger 41, the utility model is prevented from overturning in the using process; the outer sides of the sliding hanger 41 along the two sides of the long direction are respectively provided with an outer guide slot 411, and the lower rotary connecting seat 52 is provided with a thrust wheel assembly 521 in sliding fit with the outer guide slot 411.
The outer guide grooves 411 are arranged on the outer side surfaces of the two supporting cross beams, and two groups of thrust wheel assemblies 521 arranged on the lower rotary connecting seat 52 are respectively matched with the outer guide grooves 411 on the two supporting cross beams; the thrust wheel assembly 521 is used for bearing the quality of the sliding hanger 41 and the related connecting parts at the lower part thereof, bridge maintenance personnel and equipment, and has the function of preventing overturning.
In some possible embodiments, in order to effectively realize the sliding of the lower rotary connecting seat 52 and the sliding hanger 41; the lower rotary connecting base 52 is further provided with a guide wheel set 522 matched with the sliding hanger 41.
In some possible embodiments, as shown in fig. 4, in order to effectively avoid the occurrence of a falling accident when the bogie wheel assembly 521 fails; still be provided with anti-falling mechanism 523 on the lower gyration connecting seat 52, anti-falling mechanism 523 is L type link plate, and its one end is connected with lower gyration connecting seat 52 and is located outside guide slot 411.
When the roller assembly 521 fails, the sliding hanger 41 drops down to bring the inner portion of the outer guide slot 411 into immediate contact with the inner side of the upper flange of the guide slot, preventing it from falling. One end and the lower gyration connecting seat 52 of L type link plate are connected, and in other one end stretched into outside guide slot 411, under normal use, L type link plate did not have the contact relation with outside guide slot 411, and only when horizontal truss 4241 fell downwards L type link plate could with the medial surface contact of outside guide slot 411, as supporting, the prevention falls.
In some possible embodiments, the stability of the entire apparatus is improved when the horizontal truss 42 is effectively reinforced for maintenance of the bottom of the arch ring; the top of the horizontal truss 42 is provided with an electromagnetic absorption device 44; for limiting the rotation of the rotating mechanism 5; a rotation limit sensor 511 and an upper rotation limit stopper 512 are disposed on the inner side of the upper rotation connecting base 51, and a lower rotation limit stopper 524 used in cooperation with the rotation limit sensor 511 and the upper rotation limit stopper 512 is disposed on the inner side of the lower rotation connecting base 52.
When the rotating mechanism 5 drives the lower rotating connecting base 52 to rotate to a set angle, the lower rotating limit stopper 524 will touch the lower rotating limit sensor 511 on the upper rotating connecting base 51 and stop rotating. If the rotation limit sensor 511 fails, the lower rotation connecting base 52 continues to rotate, so that the lower rotation limit stopper 524 touches the upper rotation limit stopper 512, and stops rotating. This allows the horizontal truss 42 to rotate at a set angle to avoid cable pulling and electrical logic control confusion.
In some possible embodiments, to avoid the slipping hanger 41 from disengaging from the lower swivel connection mount 52; a sliding limit stop is arranged on the inner side of the sliding hanger 41; and a sliding limit sensor matched with the sliding limit stop block is arranged on the lower rotary connecting seat 52.
When the sliding hanger 41 slides to the position, the sliding limit stopper can touch the sliding limit sensor and then automatically stop, if the sliding limit sensor fails, the thrust wheel assembly 521 in the external guide groove 411 can touch the sliding limit stopper and then forcibly stop, and the sliding risk of the sliding hanger 41 is avoided.
Preferably, a ladder stand 6 connected with a lower rotary connecting seat 52 is further provided, so that maintenance personnel can conveniently enter the horizontal truss 42 from the vertical truss 3.
The utility model is not limited to the foregoing embodiments. The utility model extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. The truss structure of the arch rib maintenance vehicle is characterized by comprising a vertical truss, a rotating mechanism connected with the bottom of the vertical truss, a sliding hanging bracket connected with the rotating mechanism, a horizontal truss in sliding fit with the sliding hanging bracket and a sliding driving mechanism used for controlling the horizontal truss to do linear motion in the horizontal direction.
2. The truss structure of the arch rib maintenance vehicle capable of avoiding obstacles according to claim 1, wherein the rotating mechanism comprises an upper rotary connecting seat connected with the vertical truss, an inner ring connected with the bottom of the upper rotary connecting seat, an outer ring coaxially arranged with the inner ring and positioned outside the inner ring, and a rotary driving device for driving the outer ring to rotate around the axis of the outer ring; the outer ring is connected with the sliding hanging bracket.
3. An arch rib maintenance vehicle truss structure capable of avoiding obstacles as claimed in claim 2, wherein the outer side of the outer ring is in a tooth-shaped structure, and the rotation driving device comprises a rotation gear engaged with the tooth-shaped structure and a rotation driving motor mounted on the upper rotation connecting seat and connected with the rotation gear.
4. The truss structure of an arch rib maintenance vehicle capable of avoiding obstacles according to claim 2, wherein the rotating mechanism further comprises a lower rotary connecting seat connected with the outer ring; the lower rotary connecting seat is connected with the sliding hanging bracket in a sliding manner.
5. The truss structure of an arch rib maintenance vehicle capable of avoiding obstacles according to claim 4, wherein the sliding driving mechanism comprises a sliding rack horizontally arranged along the length direction of the sliding hanger, a sliding gear engaged with the sliding rack, and a sliding driving motor in transmission connection with the sliding gear and mounted on the lower rotary connecting seat.
6. The truss structure of an arch rib maintenance vehicle capable of avoiding obstacles according to claim 4, wherein the sliding hanger is provided with external guide grooves along the outer sides of both sides of the sliding hanger in the length direction, and the lower rotary connecting seat is provided with a thrust wheel assembly in sliding fit with the external guide grooves.
7. An arch rib maintenance vehicle truss structure capable of avoiding obstacles as claimed in claim 6, wherein the lower rotary connecting seat is further provided with a guide wheel set used in cooperation with the sliding hanger.
8. The truss structure of an arch rib maintenance vehicle capable of avoiding obstacles according to claim 6, wherein the lower rotary connecting seat is further provided with an anti-falling mechanism, the anti-falling mechanism is an L-shaped hanging plate, and one end of the anti-falling mechanism is connected with the lower rotary connecting seat and is positioned in the outer guide groove.
9. The truss structure of the arch rib maintenance vehicle capable of avoiding obstacles according to any one of claims 4 to 8, wherein the top of the horizontal truss is provided with an electromagnetic absorption device; the inner side of the upper rotary connecting seat is provided with a rotary limiting sensor and a rotary limiting upper stop block, and the inner side of the lower rotary connecting seat is provided with a rotary limiting lower stop block matched with the rotary limiting sensor and the rotary limiting upper stop block for use.
10. The truss structure of the arch rib maintenance vehicle capable of avoiding obstacles according to claim 9, wherein a sliding limit stop is arranged on the inner side of the sliding hanger; and a sliding limit sensor matched with the sliding limit stop block is arranged on the lower rotary connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199058.5U CN215366817U (en) | 2021-05-31 | 2021-05-31 | Arch rib maintenance vehicle truss structure capable of avoiding obstacles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199058.5U CN215366817U (en) | 2021-05-31 | 2021-05-31 | Arch rib maintenance vehicle truss structure capable of avoiding obstacles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215366817U true CN215366817U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121199058.5U Active CN215366817U (en) | 2021-05-31 | 2021-05-31 | Arch rib maintenance vehicle truss structure capable of avoiding obstacles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215366817U (en) |
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2021
- 2021-05-31 CN CN202121199058.5U patent/CN215366817U/en active Active
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Address after: 611430 No. 799, hope road, Wujin street, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee after: Chengdu Xinzhu Transportation Technology Co.,Ltd. Patentee after: Chengdu Xinzhu Road and Bridge Machinery Co., Ltd Address before: 611400 121 Qingyun Middle Road, Jinhua Town, Xinjin County, Chengdu City, Sichuan Province Patentee before: Chengdu Xinzhu Transportation Technology Co.,Ltd. Patentee before: Chengdu Xinzhu Road and Bridge Machinery Co., Ltd |