CN114715022B - Flexible transportation bracket device and fortune roof beam car - Google Patents
Flexible transportation bracket device and fortune roof beam car Download PDFInfo
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- CN114715022B CN114715022B CN202210242401.2A CN202210242401A CN114715022B CN 114715022 B CN114715022 B CN 114715022B CN 202210242401 A CN202210242401 A CN 202210242401A CN 114715022 B CN114715022 B CN 114715022B
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- bridge girder
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- 238000000034 method Methods 0.000 abstract description 12
- 230000000670 limiting effect Effects 0.000 description 28
- 230000008569 process Effects 0.000 description 11
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/135—Securing or supporting by load bracing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a telescopic transfer bracket device and a beam transporting vehicle, and relates to the technical field of engineering machinery, wherein the telescopic transfer bracket device comprises: a bracket assembly adapted to support a bridge girder erection machine; the telescopic component is positioned below the bracket component and is rotationally connected with the bracket component so that the bracket component rotates around a horizontal axis, is suitable for being arranged on a frame of a girder transporting vehicle and is suitable for driving the bracket component to perform lifting movement through telescopic movement. The heights of supporting points at different positions of the bridge girder erection machine are possibly inconsistent, the bridge girder erection machine is supported by the bracket body, and the bracket body can also rotate relative to the rotary joint through rotatable connection of the adjusting joint and the rotary joint, so that the supporting at different positions of the bridge girder erection machine is realized, and the supporting stability of the bridge girder erection machine is improved; the height of the bracket assembly can be adjusted, and the bracket assembly is suitable for the transportation working conditions under different transportation heights; by the method, the bridge girder erection machine is supported, and rapid transportation can be realized without disassembling the bridge girder erection machine.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a telescopic transfer bracket device and a beam transporting vehicle.
Background
In recent years, along with the step-by-step increase of bridge quantity requirements in China, bridge girder erection machines are widely used. Because the bridge erection line is generally longer, the bridge girder erection machine is often subjected to transfer construction in the use process, so that the bridge girder erection machine is required to be transferred.
At present, when a bridge girder erection machine is required to be transported, the bridge girder erection machine is generally disassembled partially, parts of the bridge girder erection machine are transported respectively, and then assembly is carried out after the parts are transported in place. Such a transfer process is extremely time consuming and may be time consuming. If the bridge girder erection machine is not disassembled, the bridge girder erection machine is directly supported and transported by a girder transporting vehicle, on one hand, the appearance structure of the bridge girder erection machine is complex and inconvenient to support, and the supporting stability of the bridge girder erection machine is difficult to ensure; on the other hand, the transportation height of the bridge girder erection machine is difficult to adjust, and the bridge girder erection machine cannot be suitable for working conditions with different transportation heights.
Disclosure of Invention
The invention solves the problem of improving the support stability of the bridge girder erection machine and the applicability of the bridge girder erection machine to different transportation working conditions in the transportation process of the bridge girder erection machine.
In order to solve the above problems, the present invention provides a telescopic transport bracket apparatus, comprising:
a bracket assembly adapted to support a bridge girder erection machine;
the telescopic assembly is positioned below the bracket assembly and is rotationally connected with the bracket assembly, the bracket assembly is suitable for rotating around a horizontal axis relative to the telescopic assembly, and the telescopic assembly is suitable for being arranged on a frame of a girder transporting vehicle and is suitable for driving the bracket assembly to perform lifting movement through telescopic movement.
Optionally, the bracket assembly includes adjustment festival and bracket body, the bracket body is located the adjustment festival the top and with the adjustment festival is detachable to be connected, the adjustment festival rotate connect in the flexible subassembly, the bracket body is suitable for the butt and supports the bridge crane.
Optionally, the flexible subassembly includes driving piece, flexible guide and swivelling joint, the top of flexible guide with the swivelling joint can dismantle the connection, the bottom of flexible guide be suitable for connect in the frame, the driving piece is suitable for the drive flexible guide carries out telescopic movement, the swivelling joint with the adjustment festival articulates.
Optionally, the telescopic transport bracket device further comprises a pull rod assembly, one end of the pull rod assembly is connected with the top end of the telescopic guide piece, the other end of the pull rod assembly is suitable for being installed on the frame, the pull rod assemblies are symmetrically arranged on two sides of the bracket assembly in the width direction, and the length direction of the bracket assembly is parallel to the length direction of the bridge girder erection machine.
Optionally, the pull rod assembly comprises at least two pull rods, adjacent pull rods are detachably connected, and the pull rods positioned at two ends of the pull rod assembly are respectively hinged with the top ends of the telescopic guide pieces and the frame.
Optionally, the telescopic guide piece comprises a guide sleeve and a guide pillar, the guide pillar is suitable for being arranged on the frame, one end of the guide sleeve is connected with the rotary joint, the other end of the guide sleeve is sleeved on the guide pillar, and the driving piece is suitable for driving the guide sleeve to move up and down along the guide pillar.
Optionally, the telescopic guide piece further comprises an upper connecting seat and a lower connecting seat, one end of the guide sleeve is connected with the rotating joint through the upper connecting seat, the other end of the guide sleeve is sleeved at one end of the guide post, and the other end of the guide post is suitable for being connected with the frame through the lower connecting seat.
Optionally, the center position of the upper connecting seat is rotationally connected with the center position of the rotating joint through a rotating shaft.
Optionally, the telescopic guide piece further comprises a driving cross beam arranged on the guide sleeve, the top end of the driving piece is hinged with the driving cross beam, and the bottom end of the driving piece is hinged with the lower connecting seat.
According to the telescopic transfer bracket device, the bridge crane is supported by the bracket component and is connected with the telescopic component in a rotating way, so that the bracket component can rotate around a horizontal axis relative to the telescopic component, and because the appearance structure of the bridge crane is generally complex (for example, the heights of the positions of the bridge crane, which can serve as supporting points, at the position of the arm of the bridge crane are inconsistent), when the bracket component is supported on the bridge crane, the bracket component can rotate around the horizontal axis to a certain extent relative to the telescopic component due to the pressure of the bridge crane, so that the support of the bridge crane at different positions of the bridge crane can be realized, the support stability of the telescopic transfer bracket device to the bridge crane in the transfer process can be improved, and the safety of the transfer process can be ensured; meanwhile, the telescopic transferring bracket device can adapt to the support of various bridge girder erection machines through the rotary connection of the bracket component and the telescopic component, when bridge girder erection machines with different structures are required to be continuously transferred (for example, the positions of the supporting points of the different bridge girder erection machines are distributed differently), the bracket component rotates around the horizontal axis relative to the telescopic component so as to adapt to the support and the transfer of the bridge girder erection machines with different structures, and the transferring efficiency is improved; further, the telescopic transfer bracket device drives the bracket component to move up and down relative to the frame through telescopic movement of the telescopic component, and when facing complex transfer working conditions (for example, the transfer passing of the bridge girder erection machine is influenced by some roads), the height of the bracket component is adjusted through the telescopic movement of the telescopic component, so that the telescopic transfer bracket device is suitable for the transfer working conditions under different transport heights; in addition, the bridge girder erection machine is supported by the telescopic transportation bracket device, the bridge girder erection machine is not required to be disassembled, the rapid transportation can be realized, the transportation efficiency is improved, and the construction period is saved.
The invention also provides a girder transporting vehicle which comprises the telescopic transporting bracket device.
According to the girder transporting vehicle, the girder transporting vehicle supports the bridge girder erection machine through the bracket body, and the bracket assembly and the telescopic assembly rotate relatively around the horizontal axis, so that the bracket assembly can adapt to a complex appearance structure of the bridge girder erection machine, and the supporting stability of the bridge girder erection machine on the girder transporting vehicle is improved; the frame of the girder transporting vehicle is provided with the telescopic component of the telescopic transporting bracket device, so that the bracket component can move up and down relative to the girder transporting vehicle, the whole transporting height of the girder transporting vehicle is convenient to adjust, the girder transporting vehicle can be suitable for complex transporting working conditions with the limiting requirement on the transporting height, for example, when the girder transporting vehicle is lifted to pass through the second column of the bridge girder erection machine, the transporting height of the girder transporting vehicle is adjusted through the telescopic component, the mutual interference between the girder transporting vehicle and the bridge girder erection machine is avoided, the telescopic transporting bracket device is not required to be detached, the transporting efficiency is improved, and the manpower is saved; in addition, through this fortune roof beam car fortune bridge crane, need not to disassemble the bridge crane, improved transportation efficiency, saved the time limit for a project.
Drawings
Fig. 1 is a three-dimensional schematic view of a telescopic transport bracket device according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a telescoping assembly according to an embodiment of the present invention;
FIG. 3 is a three-dimensional schematic view of an adjustment joint according to an embodiment of the present invention;
fig. 4 is a front schematic view of a bracket body according to an embodiment of the present invention.
Reference numerals illustrate:
1. a bracket assembly; 11. adjusting the joint; 111. an adjusting section body; 112. a first hinge base; 12. a bracket body; 121. a limiting block; 122. ear plates; 2. a telescoping assembly; 21. a driving member; 22. a telescoping guide; 221. a guide post; 222. guide sleeve; 223. a limiting pin; 224. a cross beam; 225. a drive beam; 226. an upper connecting seat; 227. a lower connecting seat; 23. a rotary joint; 231. a swivel body; 232. the second hinge seat; 24. a rotating shaft; 3. a pull rod assembly; 31. a pull rod; 32. a third hinge base; 33. and a fourth hinging seat.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the coordinate system XYZ provided herein, the positive direction of the X axis represents the right direction, the negative direction of the X axis represents the left direction, the positive direction of the Y axis represents the rear direction, the negative direction of the Y axis represents the front direction, the positive direction of the Z axis represents the upper direction, and the negative direction of the Z axis represents the lower direction. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in other sequences than those illustrated or otherwise described herein.
Referring to fig. 1, an embodiment of the present invention provides a telescopic transport bracket apparatus, including: a bracket assembly 1 adapted to support a bridge girder erection machine; the telescopic assembly 2 is located below the bracket assembly 1 and is rotatably connected with the bracket assembly 1, the bracket assembly 1 is suitable for rotating around a horizontal axis relative to the telescopic assembly 2, and the telescopic assembly 2 is suitable for being mounted on a frame (a frame is not shown in the figure) of a girder transporting vehicle and is suitable for driving the bracket assembly 1 to perform lifting motion through telescopic motion.
Specifically, the bracket assembly 1 can rotate relative to the telescopic assembly 2 around an X axis in the drawing, and the bracket assembly 1 is provided with the top end of the telescopic assembly 2 and is used for supporting and limiting the bridge girder erection machine to be transported to a certain extent; the bottom of the telescopic assembly 2 is relatively fixedly arranged on the frame and vertically arranged (namely, parallel to the Z axis in the figure), and the telescopic assembly 2 drives the bracket assembly 1 arranged at the top end of the telescopic assembly 2 to move up and down along the vertical direction (namely, the Z axis in the figure) through telescopic movement.
It should be understood that there should be a certain distance between the bracket assembly 1 and the telescopic assembly 2 in the vertical direction to allow the bracket assembly 1 to rotate about the horizontal axis relative to the telescopic assembly 2, for example, the distance between the adjusting joint 11 of the bracket assembly 1 and the rotating joint 23 of the telescopic assembly 2 (the adjusting joint 11 and the rotating joint 23 will be described in detail later), and the distance may be determined according to the range of the height of the bridge girder erection machine, which may be used as the position of the supporting point, which is not particularly limited herein.
In addition, in order to ensure stable transfer of the bridge girder erection machine, the number of the telescopic transfer bracket devices may be determined according to the entire length of the bridge girder erection machine, and is not particularly limited herein. For example, a single telescopic transfer bracket device can be adopted for the bridge girder erection machine with smaller length, and auxiliary fixation is carried out in a rope mode, so that stable support and transfer can be realized; two or more telescopic transport bracket devices can be adopted for the bridge girder erection machine with larger length, and the two or more telescopic transport bracket devices are arranged at intervals along the length direction (namely the Y-axis direction in the figure) of the bridge girder erection machine, so that stable support and transport can be realized.
According to the telescopic transfer bracket device, the bridge crane is supported by the bracket component 1 and is connected with the telescopic component 2 in a rotating way through the bracket component 1, so that the bracket component 1 can rotate around the horizontal axis relative to the telescopic component 2, and because the appearance structure of the bridge crane is generally complex (for example, the heights of the positions of the bridge crane, which can serve as supporting points, at the position of the arm of the bridge crane are inconsistent), when the bracket component 1 is supported on the bridge crane, the bracket component 1 rotates around the horizontal axis relative to the telescopic component 2 to a certain extent due to the pressure of the bridge crane, so that the support of the bridge crane at different positions of the bridge crane is realized, the support stability of the telescopic transfer bracket device to the bridge crane in the transfer process is improved, and the safety of the transfer process is ensured; meanwhile, the telescopic transferring bracket device can adapt to the support of various bridge girder erection machines through the rotary connection of the bracket component 1 and the telescopic component 2, when bridge girder erection machines with different structures are required to be continuously transferred (for example, the position distribution of the supporting points of the different bridge girder erection machines is inconsistent), the bracket component 1 rotates around the horizontal axis relative to the telescopic component 2 so as to adapt to the support and the transfer of the bridge girder erection machines with different structures, and the transferring efficiency is improved; further, the telescopic transportation bracket device drives the bracket component 1 to move up and down relative to the frame through the telescopic movement of the telescopic component 2, and when facing complex transportation working conditions (for example, transportation of the bridge girder erection machine is influenced by some roads), the height of the bracket component 1 is adjusted through the telescopic movement of the telescopic component 2, so that the telescopic transportation bracket device is suitable for the transportation working conditions under different transportation heights; in addition, the bridge girder erection machine is supported by the telescopic transfer bracket device, the bridge girder erection machine is not required to be disassembled, the quick transfer can be realized, the transfer efficiency is improved, and the construction period is saved.
Optionally, the bracket assembly 1 comprises an adjusting joint 11 and a bracket body 12, the bracket body 12 is located above the adjusting joint 11 and detachably connected with the adjusting joint 11, the adjusting joint 11 is rotatably connected with the telescopic assembly 2, and the bracket body 12 is suitable for abutting and supporting the bridge girder erection machine.
Specifically, referring to fig. 1, 3 and 4, the adjusting joint 11 includes an adjusting joint body 111 and a first hinge seat 112, the adjusting joint body 111 is a box structure formed by steel beams, the bracket body 12 is relatively fixedly mounted on the adjusting joint body 111 through a fastener, four first hinge seats 112 are disposed on the adjusting joint body 111 at intervals along an X axis in the drawing, and the bracket assembly 1 is hinged with the top end of the telescopic assembly 2 through the first hinge seats 112.
In this way, the bracket assembly 1 is abutted against and supports the bridge girder erection machine through the bracket body 12 so as to increase the contact area between the bracket body 12 and the bridge girder erection machine, and further improve the support stability of the bracket assembly 1 for the bridge girder erection machine; the adjusting joint 11 is also in rotary connection with the telescopic assembly 2 around the horizontal axis, so that the bearing performance of the bracket assembly 1 is improved.
Optionally, the telescopic assembly 2 includes a driving member 21, a telescopic guiding member 22 and a rotating joint 23, wherein the top end of the telescopic guiding member 22 is detachably connected with the rotating joint 23, the bottom end of the telescopic guiding member 22 is suitable for being connected with the frame, the driving member 21 is suitable for driving the telescopic guiding member 22 to perform telescopic movement, and the rotating joint 23 is hinged with the adjusting joint 11.
Specifically, as shown in fig. 1 and 2, the rotary joint 23 includes a rotary joint body 231 and a second hinge seat 232, and the first hinge seat 112 is hinged to the second hinge seat 232 so that the adjusting joint body 111 can rotate around an X axis in the drawing relative to the rotary joint body 231, further, the bracket assembly 1 rotates around the X axis in the drawing relative to the telescopic assembly 2, and the driving member 21 drives the telescopic guide member 22 to perform telescopic motion, so as to drive the bracket assembly 1 to perform lifting motion relative to the vehicle frame.
In this way, the telescopic component 2 drives the bracket component 1 to move up and down through the telescopic movement of the telescopic guide piece 22, and when the transportation working condition with limited transportation height is faced, the telescopic component 2 adjusts the transportation height of the bridge girder erection machine through the telescopic guide piece 22, so that the safety and the transportation efficiency in the transportation process of the bridge girder erection machine are improved; and through the articulated joint of swivel joint 23 and adjustment festival 11 for bracket assembly 1 rotates for telescopic assembly 2 around the horizontal axis, in order to adapt to the high variation of the different strong points of bridge crane, improved the suitability to the bridge crane of different structures.
Optionally, as shown in connection with fig. 1, the telescopic transport bracket apparatus further includes a pull rod assembly 3, one end of the pull rod assembly 3 is connected to the top end of the telescopic guide 22, and the other end of the pull rod assembly 3 is adapted to be mounted on the frame.
The pull rod assembly 3 is illustratively a telescopic rod driven by a hydraulic oil cylinder, one end of the telescopic rod is hinged with the top end of the telescopic assembly 2, the other end of the telescopic rod is hinged with a frame of the girder transporting vehicle, and the telescopic rod is arranged parallel to a ZY plane in the figure. When the telescopic distance of the telescopic guide 22 needs to be adjusted, the driving piece 21 drives the telescopic guide 22 to move in a telescopic way, and meanwhile, the hydraulic cylinder drives the telescopic rod to stretch and adjust the length until the telescopic guide 22 stretches into place (not shown in the scheme).
The arrangement of the tie rod assembly 3 may be determined according to the position of the center of gravity of the bridge girder erection machine, and is not particularly limited herein. For example, two telescopic transfer bracket devices are used for supporting and transferring the bridge girder erection machine, the gravity center of the bridge girder erection machine is located between the two telescopic transfer bracket devices, and a pull rod assembly 3 can be installed on a frame between the two telescopic transfer bracket devices at the moment so as to obliquely support the telescopic assembly 2.
Further, the pull rod assemblies 3 are symmetrically arranged at two sides of the bracket assembly 1 in the width direction, and the length direction of the bracket assembly 1 is parallel to the length direction of the bridge girder erection machine.
Specifically, as shown in fig. 1, the four pull rod assemblies 3 are symmetrically arranged with respect to the width direction (i.e., X axis in the drawing) of the bracket assembly 1, and when the telescopic transport bracket device supports the bridge girder erection machine, the length direction of the bridge girder erection machine is generally parallel to the Y axis in the drawing, so that the pull rod assemblies 3 are parallel to the ZY plane in the drawing and are obliquely supported on the telescopic guide 22.
Thus, the pull rod assembly 3 realizes the oblique support of the rotary joint 23, the horizontal component force direction of the supporting force provided by the pull rod assembly 3 is parallel to the length direction of the bridge girder erection machine, and the supporting stability of the telescopic transport bracket device to the bridge girder erection machine is improved; and, the pull rod assembly 3 can correspondingly adjust the length along with the height change of the bracket assembly 1, so that the telescopic movement of the telescopic guide piece 22 is avoided, and the applicability of the telescopic transport bracket device to different transport height requirements is improved.
Optionally, the pull rod assembly 3 includes at least two pull rods 31, adjacent pull rods 31 are detachably connected, and the pull rods 31 at two ends of the pull rod assembly 3 are hinged to the top end of the telescopic guide 22 and the frame respectively.
Illustratively, as shown in connection with fig. 1, each tie rod assembly 3 includes three tie rods 31 (the tie rods 31 themselves cannot change in length), adjacent tie rods 31 are detachably connected by bolts, two tie rods 31 at both ends of the tie rod assembly 3 are respectively provided with a third hinge base 32 and a fourth hinge base 33, the third hinge base 32 is hinged with the top end of the telescopic guide 22, and the fourth hinge base 33 is hinged with the frame.
When the bracket assembly 1 needs to be lifted and lowered relative to the frame, the bolts between the adjacent pull rods 31 are detached firstly, and then the telescopic guide piece 22 is driven by the driving piece 21 to perform telescopic motion so as to drive the bracket assembly 1 to lift and lower until the bracket assembly 1 is lifted in place (for example, after the bracket body 12 realizes stable support of the bridge girder erection machine), the number of the pull rods 31 is correspondingly increased or reduced, and the adjacent pull rods 31 are detachably connected through the bolts, so that the total length of the pull rod assembly 3 is correspondingly increased or reduced so as to stably support the bridge girder erection machine.
In this way, the pull rod assembly 3 can correspondingly adjust the length along with the height change of the bracket assembly 1, the support stability of the bridge girder erection machine and the applicability to different transportation height requirements are improved, and compared with the scheme of adjusting the length of the pull rod assembly 3 by increasing or reducing the number of the pull rods 31, the scheme of adjusting the length of the pull rod assembly 3 by increasing or reducing the number of the pull rods 31 reduces the purchasing quantity of expensive parts such as hydraulic cylinders and the like and reduces the production cost.
Optionally, the telescopic guide 22 includes a guide sleeve 222 and a guide post 221, the guide post 221 is adapted to be mounted on the frame, one end of the guide sleeve 222 is connected with the rotary joint 23, the other end of the guide sleeve 222 is sleeved on the guide post 221, and the driving member 21 is adapted to drive the guide sleeve 222 to perform lifting movement along the guide post 221.
Specifically, as shown in fig. 1, four guide posts 221 are respectively mounted on the frame along a vertical direction (i.e. parallel to a Z axis in the drawing), four guide sleeves 222 are respectively sleeved on the four guide posts 221, a driving piece 21 adopts a hydraulic cylinder, a cylinder body of the hydraulic cylinder is mounted on the frame, a piston rod of the hydraulic cylinder is fixedly connected with the guide sleeves 222 relatively, and the hydraulic cylinder drives the guide sleeves 222 to move up and down along a central axis of the guide posts 221.
In this way, the telescopic component 2 avoids the deviation of the bracket component 1 in the lifting movement process through the guiding action of the guide sleeve 222 and the guide post 221, and improves the movement precision of the lifting movement of the bracket component 1.
Optionally, the guide sleeve 222 and the guide post 221 are respectively provided with a first limiting hole and a second limiting hole, and the telescopic guide 22 further includes a limiting pin 223, where the limiting pin 223 is suitable for penetrating through the first limiting hole and the second limiting hole.
Illustratively, as shown in fig. 1, the guide sleeve 222 is provided with a first limiting hole, the guide post 221 is provided with a plurality of second limiting holes at intervals, when the guide sleeve 222 moves up and down along the central axis of the guide post 221, the first limiting holes can be aligned with one of the second limiting holes in sequence, and the limiting pin 223 can be inserted into the first limiting hole and the second limiting hole aligned with each other, so as to limit the lifting movement of the guide sleeve 222 relative to the guide post 221.
In this way, when the telescopic transfer bracket device guides and stretches into place through the guide post 221 and the guide sleeve 222, the limit locking function of the guide sleeve 222 relative to the guide post 221 can be realized through the cooperation of the limit pin 223 and the first limit hole and the second limit hole, and the support stability of the bridge girder erection machine is improved.
Optionally, the telescopic guide 22 further includes an upper connecting seat 226 and a lower connecting seat 227, one end of the guide sleeve 222 is connected with the rotary joint 23 through the upper connecting seat 226, the other end of the guide sleeve 222 is sleeved at one end of the guide post 221, and the other end of the guide post 221 is adapted to be connected to the frame through the lower connecting seat 227.
Specifically, as shown in fig. 1 and 2, the top ends of the guide sleeves 222 are relatively fixedly mounted below the upper connecting seat 226, the bottom ends of the guide posts 221 are relatively fixedly mounted above the lower connecting seat 227, and the lower connecting seat 227 is mounted on the frame through fasteners.
So, guide pin bushing 222 is connected with swivel 23 through last connecting seat 226, has improved the stability that swivel 23 and flexible guide 22 are connected, and guide pillar 221 is connected with the frame through lower connecting seat 227, has improved the stability that the frame is connected with flexible guide 22, has further improved the support stability of flexible transportation bracket device to the bridge crane.
Alternatively, as shown in fig. 2, the center position of the upper connecting seat 226 is rotatably connected to the center position of the rotating joint 23 through the rotating shaft 24.
Specifically, the center position of the rotary joint body 231 and the center position of the upper connection seat 226 and the center position of the rotary joint 23 are respectively provided with a rotation shaft mounting hole along the vertical direction (i.e., the Z-axis direction in the drawing), and the rotation shaft 24 rotatably connects the rotary joint 23 with the upper connection seat 226 through the rotation shaft mounting holes.
For example, when two girder transporting vehicles are used to transport a larger bridge girder erection machine, a tortuous road may be encountered, and the girder transporting vehicles running in front and the girder transporting vehicles running in rear have different steering angles, so that the bridge girder erection machine rotates relatively to the girder transporting vehicles around the rotating shaft 24.
So, through pivot 24 with rotary joint 23 and last connecting seat 226 around vertical axis rotation connection to when making the bridge crane produce relative rotation for fortune roof beam car, rotary joint 23 can rotate around vertical axis simultaneously, can pass through the tortuosity road safely smoothly when being convenient for fortune roof beam car transport bridge crane, improved the supporting stability to the bridge crane.
Optionally, the telescopic guide 22 further includes a driving beam 225 disposed on the guide sleeve 222, the top end of the driving member 21 is hinged to the driving beam 225, and the bottom end of the driving member 21 is hinged to the lower connecting seat 227.
In this way, when the driving member 21 is, for example, a hydraulic cylinder, the guide sleeve 222 can be stably driven to move up and down along the guide post 221 by the driving beam 225, so as to improve the stability of the lifting movement of the bracket assembly 1.
Further, a plurality of driving beams 225 are arranged on the guide sleeve 222 at intervals along the vertical direction, and the driving piece 21 is suitable for being hinged with one of the driving beams 225 to drive the guide sleeve 222 to move up and down.
As shown in fig. 1 and 2, two adjacent guide sleeves 222 are connected by two parallel drive beams 225, and in the initial state, the piston end of the hydraulic cylinder as the driving element 21 is hinged to the drive beam 225 on the side far from the frame. The telescopic transfer bracket device stretches to the highest position in the following process: the hydraulic cylinder drives the guide sleeve 222 to move up and down along the vertical direction until the hydraulic cylinder reaches the limit stroke; at this time, one of the plurality of first limiting holes is aligned with one of the plurality of second limiting holes, a limiting pin 223 is inserted, and then the piston end of the hydraulic cylinder is detached from the driving cross beam 225, and the hydraulic cylinder is shortened so that the piston end thereof is hinged to the driving cross beam 225 at the side close to the frame at this time; the limiting pin 223 is disassembled, the driving piece 21 drives the guide sleeve 222 to move up and down through the driving cross beam 225 close to one side of the frame until the hydraulic cylinder reaches the limit stroke again, the limiting pin 223 is inserted, and the telescopic transfer bracket device in the embodiment stretches to the highest position; and otherwise, the process that the telescopic transport bracket device stretches to the lowest position is adopted.
When three or more driving beams 225 are disposed on the guide sleeve 222, the telescopic transport bracket device can be retracted to the highest position or the lowest position by repeating the above steps a plurality of times, which will not be described in detail herein.
So, the driving piece 21 of this flexible transportation bracket device can select the shorter hydraulic cylinder of stroke, compares and directly adopts the longer hydraulic cylinder of stroke to make flexible transportation bracket device flexible to the same highest position and lowest position, and the flexible transportation bracket device of this embodiment has reduced manufacturing cost through the setting of a plurality of drive crossbeams 225.
Optionally, a plurality of the telescoping guides 22 are interconnected by a cross beam 224.
Specifically, as shown in fig. 1, the adjacent guide sleeves 222 are fixedly connected with each other by the cross beam 224, so that the telescopic guide pieces 22 can simultaneously perform telescopic movement, the connection between the telescopic guide pieces 22 is reinforced, the synchronism of the telescopic movement is ensured, and the support stability of the bridge girder erection machine is improved.
Optionally, a plurality of limiting blocks 121 are disposed on the bracket body 12.
As illustrated in fig. 1 and 4, the bracket body 12 has a rectangular structure, four limiting blocks 121 are respectively disposed near four right-angle points of the rectangular structure, and after the bracket body 12 abuts against the bridge girder erection machine, the pressure bracket body 12 subjected to the bridge girder erection machine rotates around the X axis in the drawing so as to adapt to the height variation of supporting points at different positions of the bridge girder erection machine, and the limiting blocks 121 abut against the arms of the bridge girder erection machine to realize the limiting effect.
Therefore, the limiting blocks 121 are mutually abutted with the bridge girder erection machine to limit the bridge girder erection machine, so that the supporting stability of the bridge girder erection machine is improved.
Optionally, as shown in fig. 4, a plurality of ear plates 122 are provided on the bracket body 12, and lifting holes are provided on the ear plates 122.
Specifically, as shown in fig. 1 and 4, the bracket body 12 is provided with the ear plates 122 at both ends in the X-axis direction and at both ends in the Y-axis direction, respectively, and each ear plate 122 is provided with a hanging hole.
In this way, the bracket body 12 is conveniently connected by, for example, ropes, so as to improve the stability of the bracket body 12 and further improve the stability of the support of the bridge girder erection machine; in addition, the lifting hole is convenient for lifting and transferring the telescopic transfer bracket device, so that transfer efficiency is improved.
The invention also provides a girder transporting vehicle which comprises the telescopic transporting bracket device.
Specifically, the fixed end of the telescopic guide 22 (for example, when the guide sleeve 222 and the guide post 221 are used as the telescopic guide 22, the end, far away from the guide sleeve 222, of the guide post 221, which is stationary relative to the frame, is used as the fixed end) is mounted on the frame of the beam transporting vehicle through a fastener, and one end of the driving member 21 (for example, when the hydraulic cylinder is used as the driving member 21, one end of the cylinder body) is fixedly connected with the fixed end of the telescopic guide 22.
When the bridge girder erection machine is required to be transported, the girder transporting vehicle and the telescopic transporting bracket device are required to be lifted to corresponding positions, for example, a support is required between a second column and a first column of the bridge girder erection machine, at the moment, the girder transporting vehicle and the telescopic transporting bracket device are required to be lifted between the second column and the first column through a lifting trolley of the bridge girder erection machine, and due to the influence of structures such as a cantilever and a cross beam at the position of the second column, the transportation height is required to be limited to a certain extent.
The girder transporting vehicle supports the bridge girder transporting machine through the bracket body 12, and the bracket assembly 1 can adapt to the complex appearance structure of the bridge girder transporting machine through the relative rotation between the bracket assembly 1 and the telescopic assembly 2, so that the supporting stability of the bridge girder transporting machine on the girder transporting vehicle is improved; in addition, the telescopic component 2 of the telescopic transportation bracket device is arranged on the frame of the girder transporting vehicle, so that the bracket component 1 can perform lifting motion relative to the girder transporting vehicle, the whole transportation height of the girder transporting vehicle is convenient to adjust, the girder transporting vehicle can be suitable for complex transportation working conditions with the transportation height limiting requirements, for example, when the girder transporting vehicle is lifted to pass through the second column of the bridge girder erection machine, the transportation height of the girder transporting vehicle is adjusted through the telescopic component 2, the mutual interference between the girder transporting vehicle and the bridge girder erection machine is avoided, the telescopic transportation bracket device is not required to be detached, the transportation efficiency is improved, and the manpower is saved; in addition, the bridge girder erection machine is transported by the girder transporting vehicle, the bridge girder erection machine is not required to be disassembled, the transportation efficiency is improved, and the construction period is saved.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (7)
1. A telescoping transport bracket apparatus, comprising:
a bracket assembly (1) adapted to support a bridge girder erection machine;
the telescopic assembly (2) is positioned below the bracket assembly (1) and is rotationally connected with the bracket assembly (1), the bracket assembly (1) is suitable for rotating around a horizontal axis relative to the telescopic assembly (2), and the telescopic assembly (2) is suitable for being arranged on a frame of a girder transporting vehicle and is suitable for driving the bracket assembly (1) to perform lifting movement through telescopic movement;
the telescopic assembly (2) comprises a driving piece (21), a telescopic guide piece (22) and a rotary joint (23), wherein the top end of the telescopic guide piece (22) is detachably connected with the rotary joint (23), the bottom end of the telescopic guide piece (22) is suitable for being connected with the frame, the driving piece (21) is suitable for driving the telescopic guide piece (22) to perform telescopic movement, and the rotary joint (23) is rotationally connected with the bracket assembly (1);
the telescopic guide piece (22) comprises a guide sleeve (222), a guide pillar (221) and an upper connecting seat (226), one end of the guide sleeve (222) is connected with the rotary joint (23) through the upper connecting seat (226), the other end of the guide sleeve (222) is sleeved at one end of the guide pillar (221), the other end of the guide pillar (221) is suitable for being connected to the frame, the driving piece (21) is suitable for driving the guide sleeve (222) to move up and down along the guide pillar (221), and the central position of the upper connecting seat (226) is rotationally connected with the central position of the rotary joint (23) through a rotating shaft (24).
2. Telescopic transfer carriage arrangement according to claim 1, characterized in that the carriage assembly (1) comprises an adjustment joint (11) and a carriage body (12), the carriage body (12) being located above the adjustment joint (11) and being detachably connected to the adjustment joint (11), the adjustment joint (11) being rotatably connected to the telescopic assembly (2), the carriage body (12) being adapted to abut and support the bridge girder erection machine.
3. The telescopic transport bracket device according to claim 1, further comprising a pull rod assembly (3), wherein one end of the pull rod assembly (3) is connected with the top end of the telescopic guide (22), the other end of the pull rod assembly (3) is suitable for being mounted on the frame, the pull rod assembly (3) is symmetrically arranged on two sides of the bracket assembly (1) in the width direction, and the length direction of the bracket assembly (1) is parallel to the length direction of the bridge girder erection machine.
4. A telescopic transport bracket arrangement according to claim 3, characterized in that the pull rod assembly (3) comprises at least two pull rods (31), adjacent pull rods (31) are detachably connected, and the pull rods (31) at both ends of the pull rod assembly (3) are hinged to the top ends of the telescopic guide members (22) and the frame, respectively.
5. Telescopic transfer carriage device according to claim 1, wherein the telescopic guide (22) further comprises a lower connection seat (227), the guide sleeve (222) is sleeved at one end of the guide post (221), and the other end of the guide post (221) is adapted to be connected to the frame through the lower connection seat (227).
6. The telescopic transport bracket apparatus according to claim 5, wherein the telescopic guide (22) further comprises a drive beam (225) provided on the guide sleeve (222), the top end of the drive member (21) is hinged to the drive beam (225), and the bottom end of the drive member (21) is hinged to the lower connection base (227).
7. A beam carrier comprising a telescopic transfer carriage arrangement according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242401.2A CN114715022B (en) | 2022-03-11 | 2022-03-11 | Flexible transportation bracket device and fortune roof beam car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242401.2A CN114715022B (en) | 2022-03-11 | 2022-03-11 | Flexible transportation bracket device and fortune roof beam car |
Publications (2)
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| CN114715022A CN114715022A (en) | 2022-07-08 |
| CN114715022B true CN114715022B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210242401.2A Active CN114715022B (en) | 2022-03-11 | 2022-03-11 | Flexible transportation bracket device and fortune roof beam car |
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| US7794189B2 (en) * | 2005-10-25 | 2010-09-14 | New Enterprise Stone and Lime Company | Cargo frame |
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| DE2307332A1 (en) * | 1972-02-17 | 1973-08-30 | Lely Nv C Van Der | TRANSPORT FRAME FOR FINISHED COMPONENTS |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114715022A (en) | 2022-07-08 |
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