CN220018586U - Bridge girder erection machine posture detection device - Google Patents

Abstract

The utility model discloses a bridge girder erection machine posture detection device which is configured on a bridge girder erection machine, wherein the bridge girder erection machine comprises a girder, a front supporting leg, a middle supporting leg and a rear supporting leg which are configured on the girder, transverse moving tracks are configured at the bottoms of the middle supporting leg and the rear supporting leg, the bridge girder erection machine comprises a transverse moving track posture detection system, the transverse moving track posture detection system comprises two groups of Beidou positioning sensor groups, each group of Beidou positioning sensor groups comprises at least two Beidou positioning sensors, a group of Beidou positioning sensor groups is configured on the transverse moving track, and a plurality of Beidou positioning sensors are arranged along the length direction of the transverse moving track. The utility model realizes the automatic detection of the parallelism among a plurality of transverse tracks and the automatic detection of the levelness of a single transverse track, and realizes the automatic measurement of the height difference of the main beam and the automatic measurement of the strain of the main beam, thereby providing accurate data support for the adjustment of the posture of the bridge girder erection machine and ensuring the safe construction of the bridge.

Description

Bridge girder erection machine posture detection device

Technical Field

The utility model belongs to the technical field of bridge girder erection machines, and particularly relates to a bridge girder erection machine posture detection device.

Background

The bridge girder erection machine is used as large-scale special equipment in bridge construction, and becomes an indispensable key equipment in wading construction of a steel bridge, and a via hole of the bridge girder erection machine is a key process in girder erection construction and is a dangerous process easy to cause safety accidents; and before the bridge girder erection machine passes through the hole, the whole gesture of the bridge girder erection machine needs to be measured and adjusted, for example, two transverse rails in the bridge girder erection machine need to be in a horizontal state, and the two transverse rails need to be kept parallel, and the method generally adopts a manual mode to measure and calculate, then judges whether the two transverse rails are parallel, has complicated measuring process and lower precision, and influences the construction process.

Disclosure of Invention

In order to solve the problems, the gesture detection device for the bridge girder erection machine provided by the utility model realizes the automatic detection of the parallelism among a plurality of transverse moving tracks and the horizontal detection of a single transverse moving track, realizes the automatic measurement of the height difference of the girder and the automatic measurement of the strain of the girder, provides accurate data support for the gesture adjustment of the bridge girder erection machine, and ensures the safe construction of a bridge.

The embodiment of the utility model is realized by the following technical scheme:

bridge crane gesture detection device disposes in the bridge crane, the bridge crane includes the girder, disposes in the preceding landing leg of girder, well landing leg and back landing leg bottom all are disposed the sideslip track, including sideslip track gesture detecting system, this sideslip track gesture detecting system includes two sets of big dipper location sensor group, every group big dipper location sensor group includes two at least big dipper location sensors, the sideslip track all disposes a set of big dipper location sensor group, a plurality of big dipper location sensor sets up along sideslip track length direction.

The bottom of the transverse moving track is also provided with a plurality of telescopic supporting legs, the supporting legs are uniformly distributed on two sides of the transverse moving track, the telescopic supporting legs are respectively provided with a horizontal moving mechanism, and the telescopic supporting legs are movably arranged on the transverse moving track through the horizontal moving mechanisms.

The horizontal movement mechanism includes: the movable support and the sliding rail arranged on the transverse moving rail are fixedly connected to the movable support, when the telescopic support is in a fixed state, the movable support is fixedly connected to the sliding rail, and when the telescopic support is in a movable state, the movable support is slidably connected to the sliding rail.

The horizontal movement mechanism further includes: the rack is arranged on the transverse moving track and is parallel to the sliding rail, the crank is rotatably arranged on the movable support, and one end of the crank penetrates through the movable support and is meshed with the rack.

The moving bracket includes: the connecting plate is arranged beside the transverse moving track; the mounting plate is arranged at the bottom of the connecting plate and used for mounting the telescopic supporting legs; the guide plate is fixedly arranged on the connecting plate, and a groove matched with the sliding rail is formed in the guide plate.

The telescopic support leg is an electric screw rod lifter, a ball hinged ground structure is arranged at the bottom of the telescopic support leg and comprises a universal ball head and a chassis, one end of the universal ball head is fixed with the telescopic support leg, and the other end of the universal ball head is in ball hinge with the chassis.

The bridge girder erection machine attitude detection device further comprises a girder height difference detection system arranged on the girder, the girder height difference detection system comprises a collection box and a plurality of static leveling instruments, the plurality of static leveling instruments are respectively connected with the collection box, the plurality of static leveling instruments are uniformly distributed on the girder and mutually communicated through a liquid pipe, the plurality of static leveling instruments are all arranged on the same plane, and the plane is arranged on the plane where the girder is located.

The bridge girder erection machine attitude detection device further comprises a girder stress monitoring system, wherein the girder stress monitoring system comprises a plurality of strain gauges, and the strain gauges are uniformly distributed on the girder.

The technical scheme of the utility model has at least the following advantages and beneficial effects:

(1) According to the utility model, by arranging the traversing rail gesture detection system, the Beidou positioning sensor is utilized to obtain the three-dimensional coordinates, namely the spatial coordinates (x, y, z) data information, and on a single traversing rail, whether the two ends of the traversing rail have the height difference is judged through the z-axis data information obtained by more than two Beidou positioning sensors, so that whether the traversing rail is in a horizontal state is judged, and accurate data support is provided for the adjustment of the horizontal position of the traversing rail so as to carry out horizontal adjustment; on the other hand, the linear state of each transverse moving track can be determined by utilizing more than two pieces of three-dimensional coordinate information, whether the two transverse moving tracks are in a parallel state or not is judged, whether the transverse moving tracks are in the parallel state or not is detected, data support is provided for adjustment of the transverse moving tracks, and the overall safety of the bridge girder erection machine after assembly of the transverse moving tracks is ensured.

(2) According to the utility model, the main beam height difference detection system is arranged, and the high-precision static level gauge is used for detecting the front, middle and rear height differences of the main beam, so that data support is provided for the adjustment of the posture of the main beam, and the safety of the bridge during erection is ensured.

(3) According to the utility model, through the girder stress monitoring system, the measurement of girder strain data is realized by using the strain gauge, so that the girder strain condition is monitored, and when the girder strain is detected to exceed the set threshold value, an alarm can be given, so that the occurrence of unexpected situations is prevented, and the safety of bridge construction is improved.

(4) According to the utility model, the position of the traversing rail in the vertical direction is adjusted by arranging the telescopic supporting legs, the horizontal moving mechanism is arranged on the traversing rail, and the supporting legs are connected with the traversing rail through the horizontal moving mechanism, namely, the supporting legs can move on the traversing rail, so that the position of the supporting legs on the traversing rail is adjusted. When the movable support is suitable for different bent caps and stop blocks, the position of a single supporting leg can be adjusted directly through the moving mechanism, and the movable support is suitable for bent caps and stop blocks with various sizes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a traversing rail according to the present utility model;

FIG. 3 is a perspective view of the telescoping leg of the present utility model mounted to a traversing rail;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

FIG. 5 is a side view of the telescoping leg of the present utility model mounted to a traversing rail;

icon: 1-main beam, 21-front support leg, 22-middle support leg, 23-rear support leg, 3-transverse moving track, 30-telescopic support leg, 31-movable support, 32-sliding rail, 33-rack, 34-crank, 311-connecting plate, 312-mounting plate, 313-guide plate, 314-bolt hole, 351-universal ball head, 36-chassis, 37-heightening section, 38-backing plate, 40-Beidou positioning sensor, 401-magnet, 51-collecting box, 52-static level gauge and 60-strain gauge.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the azimuth or positional relationship indicated by the terms "inner", "outer", etc. appears to be based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "configured," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1-2, the present embodiment provides a posture detecting device of a bridge girder erection machine, which is configured on the bridge girder erection machine, wherein the bridge girder erection machine comprises a main girder 1, a front supporting leg 21, a middle supporting leg 22 and a rear supporting leg 23 which are configured on the main girder 1, and the bottoms of the middle supporting leg 22 and the rear supporting leg 23 are respectively configured with a transverse moving track 3.

Bridge crane gesture detection device includes sideslip track gesture detecting system, and this sideslip track gesture detecting system includes two sets of big dipper location sensor group, every group big dipper location sensor group includes two at least big dipper location sensor 40, sideslip track 3 all disposes a set of big dipper location sensor group, and is a plurality of big dipper location sensor 40 sets up along sideslip track 3 length direction, and every big dipper location sensor group of this embodiment disposes two big dipper location sensor 40, and two big dipper location sensor 40 dispose respectively in the both ends of sideslip track 3, in order to be convenient for the nimble assembly of big dipper location sensor 40 position, big dipper location sensor 40 is provided with magnet, utilizes magnet magnetism to adsorb in sideslip track 3, the assembly of big dipper location sensor 40 of being convenient for. In the embodiment, the Beidou positioning sensor 40 is utilized to obtain the three-dimensional coordinates, namely the data information of the space coordinates (x, y, z), and on a single traversing track 3, whether the two ends of the traversing track 3 have the height difference is judged through the z-axis data information obtained by more than two Beidou positioning sensors 40, so that whether the traversing track 3 is in a horizontal state is judged, accurate data support is provided for the adjustment of the horizontal position of the traversing track 3, and the levelness of the traversing track 3 is ensured; on the other hand, the linear state of each transverse moving track 3 can be determined by utilizing more than two pieces of three-dimensional coordinate information, whether the two transverse moving tracks 3 are in a parallel state or not can be judged, whether the transverse moving tracks 3 are in the parallel state or not is detected, data support is provided for adjustment of the parallel positions of the transverse moving tracks 3, and the overall safety of the bridge girder erection machine after the transverse moving tracks 3 are assembled is ensured.

In order to detect bridge crane girder 1 gesture, bridge crane gesture detection device still includes the girder difference in height detecting system who disposes in girder 1, girder difference in height detecting system includes collection box 51 and several hydrostatic level 52, and several hydrostatic level 52 is connected with collection box 51 respectively, utilizes collection box 51 to realize the data acquisition of hydrostatic level 52, and several hydrostatic level 52 equipartition is arranged in girder 1, and several hydrostatic level 52 communicates each other through the liquid pipe, and several hydrostatic level 52 all is located the coplanar setting, and this setting plane is located the plane that girder 1 was located. The static level 52 sets a relatively stable datum point based on the communicating vessel principle, when a certain point is subsided, the pressure change of each point is caused, so that the pressure of a sensor at the bottom in the static level 52 is converted and then converted into the liquid level change, the lifting change of each measuring point relative to the horizontal base point is calculated, the height difference of the main beam 1 is measured, the measuring precision is higher, the measured height difference data is utilized, the heights of the front supporting leg 21, the middle supporting leg 22 and the rear supporting leg 23 are adjusted, and safety guarantee is provided for the bridge girder erection machine via hole.

In order to monitor the stress of the girder 1 of the bridge girder erection machine, potential safety hazards caused by overlarge stress of the girder 1 are avoided; the bridge girder erection machine attitude detection device further comprises a girder stress monitoring system, the girder stress monitoring system comprises a plurality of strain gauges 60, the strain gauges 60 are metal strain gauge type sensors, the strain gauges 60 are uniformly distributed in the girder 1, the strain gauges 60 are utilized to measure strain data of the girder 1, so that the strain condition of the girder 1 is monitored, when the strain of the girder 1 is detected to exceed a set threshold value, an alarm can be given, so that accidents are prevented, and safety in bridge construction is improved.

Further, in this embodiment, in order to facilitate the adjustment of the position of the traversing rail 3, the bottom of the traversing rail 3 is further configured with a plurality of telescopic legs 30, the telescopic legs 30 are uniformly distributed on two sides of the traversing rail 3, and the height of the traversing rail 3 is adjusted by using the extension or shortening of the telescopic legs 30, and the telescopic legs 30 are each configured with a horizontal moving mechanism, as shown in fig. 2 and 3, and the telescopic legs 30 move on the traversing rail 3 through the horizontal moving mechanism. Specifically, the horizontal movement mechanism includes: a movable bracket 31, a slide rail 32, a rack 33 and a crank 34. The telescopic support legs 30 vertically penetrate through the movable support 31, the movable support 31 is located at two sides of the traversing rail 3, and the telescopic support comprises: the connecting plate 311, mounting panel 312 and baffle 313, mounting panel 312 level sets up for the installation flexible landing leg 30, connecting plate 311 and mounting panel 312 vertical fixation, the structure cross-section of constituteing is the L type, baffle 313 one end and connecting plate 311 fixed connection, the other end extends to slide rail 32 to be provided with the recess that matches with slide rail 32 in the one side that is close to slide rail 32, make movable support 31 can slide on slide rail 32, the recess can be the dovetail.

In this embodiment, the sliding rail 32 is a square plate, and the top of the square plate matches with the groove, so that the moving bracket 31 slides. Be provided with a plurality of bolt holes 314 on square board's lateral wall, also be provided with bolt hole 314 on the connecting plate 311, with moving support 31 adjust to the corresponding position after, can be with moving support 31 bolted connection on slide rail 32, namely, moving support 31 has two kinds of states:

as shown in fig. 5, when the telescopic leg 30 is in a fixed state, that is, when it is not necessary to move the telescopic leg 30, the moving bracket 31 is bolted to the slide rail 32, and the groove is located above the slide rail 32 and is located at a certain distance from the slide rail 32, so that the groove is not in direct contact with the slide rail 32. When the telescopic support 30 is in a moving state, the moving support 31 moves downwards, and the grooves are buckled on the sliding rails 32, so that the moving support 31 can move along the sliding rails 32.

As shown in fig. 3 and 5, the rack 33 is also disposed on a side wall of the traversing rail 3 and is located below the sliding rail 32, the crank 34 is a crank 34, an opening is disposed on the connecting plate 311, one end of the crank 34 passes through the opening of the connecting plate 311 and extends to the rack 33, a gear meshed with the rack 33 is disposed at one end of the crank 34 near the rack 33, and the crank 34 rotates to enable the moving bracket 31 to move. By providing the crank 34 and the rack 33, the movement of the telescopic leg 30 is facilitated to be operated. When the telescopic leg 30 is in the fixed state, the crank 34 is positioned above the rack 33 and does not engage with the rack 33, and when the telescopic leg 30 is in the moving state, the moving bracket 31 moves downward, and the crank 34 moves downward to engage with the rack 33.

In this embodiment, the telescopic leg 30 is an electric screw lifter, which may also be a hydraulic structure. The telescopic support legs 30 are uniformly distributed and arranged on two sides of the transverse moving rail 3 in a staggered mode and used for supporting the transverse moving rail 3, and the transverse moving rail 3 is kept horizontal by respectively controlling the telescopic length of each telescopic support leg 30. It should be noted that three, four or more telescopic legs 30 may be provided on the traversing rail 3, and those skilled in the art may increase or decrease the number of telescopic legs 30 according to the construction requirement.

As shown in fig. 4, a ball-hinge structure is provided under the telescopic leg 30. The ball hinged ground structure comprises a universal ball head 351 and a chassis 36, one end of the universal ball head 351 is fixedly connected with the bottom of the telescopic supporting leg 30, the other end of the universal ball head 351 is in ball hinge with the chassis 36, the chassis 36 can realize 360-degree movable hinge, the ground can be automatically leveled, the ball hinged ground structure is always in reliable contact with the bent cap, and the ball hinged ground structure can adapt to inclined planes with different inclinations.

In order to increase the height of the telescopic leg 30, a raised section 37 and a pad 38 are provided at the bottom of the telescopic leg 30, and the pad 38 can increase the contact area with the capping beam and protect the capping beam.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. Bridge crane gesture detection device disposes in the bridge crane, the bridge crane includes the girder, disposes in the preceding landing leg of girder, well landing leg and back landing leg bottom all are disposed the sideslip track, its characterized in that, including sideslip track gesture detecting system, this sideslip track gesture detecting system includes two sets of big dipper location sensor group, every group big dipper location sensor group includes two big dipper location sensors, the sideslip track all disposes a set of big dipper location sensor group, and a plurality of big dipper location sensor sets up along sideslip track length direction.

2. The bridge girder erection machine posture detection device according to claim 1, wherein a plurality of telescopic supporting legs are further arranged at the bottom of the transverse moving track, the supporting legs are uniformly distributed on two sides of the transverse moving track, the telescopic supporting legs are all provided with horizontal moving mechanisms, and the telescopic supporting legs are movably arranged on the transverse moving track through the horizontal moving mechanisms.

3. The bridge girder erection machine posture detection device according to claim 2, wherein the horizontal moving mechanism comprises: the movable support and the sliding rail arranged on the transverse moving rail are fixedly connected to the movable support, when the telescopic support is in a fixed state, the movable support is fixedly connected to the sliding rail, and when the telescopic support is in a movable state, the movable support is slidably connected to the sliding rail.

4. A bridge girder erection machine attitude detection device according to claim 3, wherein the horizontal movement mechanism further comprises: the rack is arranged on the transverse moving track and is parallel to the sliding rail, the crank is rotatably arranged on the movable support, and one end of the crank penetrates through the movable support and is meshed with the rack.

5. The bridge girder erection machine posture detection device of claim 4, wherein the moving bracket comprises: the connecting plate is arranged beside the transverse moving track; the mounting plate is arranged at the bottom of the connecting plate and used for mounting the telescopic supporting legs; the guide plate is fixedly arranged on the connecting plate, and a groove matched with the sliding rail is formed in the guide plate.

6. The bridge girder erection machine posture detection device according to claim 5, wherein the telescopic supporting leg is an electric screw rod lifter, a ball hinged ground structure is arranged at the bottom of the telescopic supporting leg, the ball hinged ground structure comprises a universal ball head and a chassis, one end of the universal ball head is fixed with the telescopic supporting leg, and the other end of the universal ball head is in ball hinge with the chassis.

7. The bridge girder erection machine posture detection device according to any one of claims 1 to 6, further comprising a girder height difference detection system configured on the girder, wherein the girder height difference detection system comprises an acquisition box and a plurality of static leveling instruments, the plurality of static leveling instruments are respectively connected with the acquisition box, the plurality of static leveling instruments are uniformly distributed on the girder, the plurality of static leveling instruments are mutually communicated through a liquid pipe, the plurality of static leveling instruments are all arranged on the same plane, and the arrangement plane is located on the plane where the girder is located.

8. The bridge girder erection machine attitude detection device of claim 7, further comprising a girder stress monitoring system, wherein the girder stress monitoring system comprises a plurality of strain gauges, wherein the plurality of strain gauges are uniformly distributed on the girder.