Box girder installation equipment and method

Abstract

The present invention relates to the technical field of bridge construction, and specifically to a box girder installation device and method. The box girder installation device includes a beam installation platform, a beam installation trolley and a track, and the track can be laid on the ground; the beam installation trolley includes a vehicle body and an upper crossbeam, and the vehicle body has a wheel portion at the bottom, and the wheel portion is surrounded by a steel wheel frame on the side close to the upper crossbeam, and the wheel portion can move along the track direction, and the upper crossbeam is used to support the box girder, and the length direction of the upper crossbeam is parallel to the track direction; the beam installation platform includes a table and support legs, and the table top is used to support the box girder, and the support legs are used to support the table top, and two adjacent support legs and the table top surface in contact with the support legs form a lower through hole, and when the beam installation trolley moves along the track, the lower through hole can be inserted into the steel wheel frame. The protruding part of the steel wheel frame of the beam installation trolley is matched with the lower through hole of the beam installation platform, thereby making up for the length limitation of the single-beam single-door type beam transporting machine.

Description

Technical Field

[0001] The invention relates to the technical field of bridge construction, and in particular to a box girder installation device and method. Background Art

[0002] The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

[0003] At present, the process of bridge transportation involved in the construction of large bridges includes the step of beam installation, which refers to the transfer of the cast box beams from the beam-making site to the beam transporter. After the beams are installed, the beam transporter transports the box beams to the bridge erection site.

[0004] The prior art provides a single-beam and single-door beam transporting machine, whose size and structure are limited to loading beams on the first-generation beam transport vehicle used to transport 32-meter box beams. With the continuous emergence of beam transport and erection conditions through tunnels, low-level and ultra-low-level beam transport vehicles are put into use, but because the low-level beam transport vehicle and the ultra-low-level beam transport vehicle have a lower vehicle height, when designed for the same load-bearing capacity, the vehicle body needs to be lengthened, usually 42-47 meters.

[0005] Therefore, due to the limited span (generally 37-39 meters), the single-beam single-door beam handling machine cannot currently cross the low-level beam transport vehicle or the ultra-low-level beam transport vehicle to load beams. In this way, in the working conditions equipped with low-level beam transport vehicles or ultra-low-level beam transport vehicles, single-beam double-door or double-beam double-door beam handling machines are required, which will cause the company's single-beam single-door beam handling machines to be idle, and if the requirements of the above-mentioned beam handling machines are met through leasing or purchasing, the company's construction costs will be greatly increased. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a box girder installation device and method, so that the box girder can be transported by a low-level beam transport vehicle or an ultra-low-level beam transport vehicle through a single-beam single-door beam transporting machine.

[0007] A first aspect of the present invention provides a box girder installation device, comprising a girder installation platform, a girder installation trolley and a track.

[0008] The track can be laid on the ground;

[0009] The beam loading trolley comprises a vehicle body and an upper cross beam, a wheel portion is provided at the bottom of the vehicle body, a side of the wheel portion close to the upper cross beam is surrounded by a steel wheel frame, the wheel portion can travel along the track direction, the upper cross beam is used to support the box beam, and the length direction of the upper cross beam is parallel to the track direction;

[0010] The beam loading platform includes a platform and supporting legs, wherein the platform is used to support the box beam, and the supporting legs are used to support the platform. Two adjacent supporting legs and the surface of the platform in contact with the supporting legs form lower through holes, and when the beam loading trolley moves along the track, the lower through holes can be used for the steel wheel frame to be inserted.

[0011] Furthermore, there are multiple car bodies, and the multiple car bodies are fixedly connected by an upper crossbeam;

[0012] The wheels of each vehicle body can move along the track direction.

[0013] Furthermore, each wheel portion is surrounded by a steel wheel frame on one side close to the upper cross beam, and the length of the steel wheel frame is greater than the length of the upper cross beam.

[0014] Furthermore, the wheel portion is connected to the upper cross beam via a bracket; a ball joint support is provided between the bracket and the upper cross beam.

[0015] Furthermore, a pad is provided on the surface of the table top for supporting the box beam, and the pad can be pushed by a driving device.

[0016] Furthermore, a pad is provided on the surface of the upper cross beam for supporting the box beam.

[0017] Furthermore, the wheel part includes a plurality of traveling steel wheels, each of which can travel along the track direction of the track system;

[0018] The bracket is fixedly connected to the steel wheel frames at the outer edges of the traveling steel wheels on both sides.

[0019] Furthermore, the travel steel wheels include a pair of inner travel steel wheels and a pair of outer travel steel wheels; the wheelbase between the two inner travel steel wheels is smaller than the wheelbase between the two outer travel steel wheels.

[0020] Furthermore, the box girder installation equipment also includes a winch, and the winch is used to provide power for the travel of the beam installation trolley.

[0021] A second aspect of the present invention provides a box girder installation method, wherein the box girder installation method uses the above-mentioned box girder installation equipment and comprises the following steps:

[0022] 1) Move the box beam to the beam loading platform, and place the tail of the box beam on the beam loading trolley. At this time, the beam transport trolley is on the track, and the length direction of the box beam is parallel to the track direction;

[0023] 2) Adjust the beam transport vehicle so that it is aligned with the beam loading platform and beam loading vehicle in the width direction of the vehicle body;

[0024] 3) The beam transport vehicle takes over one end of the box beam from the beam loading platform;

[0025] 4) The beam transport vehicle drives the box beam forward until the steel wheel frame is fully inserted into the lower through hole of the beam loading platform;

[0026] 5) The beam transport vehicle continues to operate until the box girder is completely transferred to the beam transport vehicle.

[0027] The beneficial effects of one or more of the above technical solutions are:

[0028] The box girder loading equipment provided by the present invention is equipped with a matching beam loading platform and a beam loading trolley, so that the protruding part of the steel wheel frame of the beam loading trolley cooperates with the lower through hole of the beam loading platform and can be inserted into the lower through hole of the beam loading platform. In this way, the beam loading trolley can be as close to the rear of the beam transport vehicle as possible during the beam loading process, which greatly reduces the distance between the beam loading trolley and the beam loading platform, and can completely transport the box girder to the beam transport vehicle, so that the support of the box girder during the beam loading process meets the support conditions, thereby making up for the length limitation of the single-beam single-door beam transporting machine.

[0029] Based on the box girder loading method provided by the present invention, the existing beam transport vehicle is equipped with a jacking device to enable the box girder to move actively, so the beam loading trolley of the present invention can move forward without additional driving force. In addition, the upper crossbeam can ensure the movement consistency of the entire beam loading trolley, and will not cause the beam loading trolley to be stuck on the track and unable to move forward. This method can be used to load the beam transport vehicle in conjunction with a single-beam single-door beam transporting machine, avoiding the single-beam single-door beam transporting machine being limited by the length of the beam transport vehicle. It revitalizes old equipment, avoids equipment idleness, improves the utilization rate of the beam transporting machine, does not need to improve existing equipment, and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings constituting a part of the present disclosure are used to provide a further understanding of the present disclosure. The illustrative embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation on the present disclosure.

[0031] Figure 1 It is an overall schematic diagram of the box girder installation system according to the present invention.

[0032] Figure 2 It is a front schematic diagram of the beam installation platform according to the present invention.

[0033] Figure 3 It is a front cross-sectional schematic diagram of the beam loading trolley according to the present invention.

[0034] Figure 4 It is a side cross-sectional schematic diagram of the beam loading trolley according to the present invention.

[0035] Figure 5 It is a schematic diagram of the box girder installation equipment according to the present invention after receiving the box girder and aligning it with the girder transport vehicle during the installation process.

[0036] Figure 6 It is a schematic diagram of the state of the box girder loading equipment according to the present invention after the box girder is completely loaded onto the girder transport vehicle.

[0037] Among them, 1. Beam loading platform; 11. Platform body; 111. Platform surface; 112. Support legs; 113. Lower through hole; 121. Pad; 122. Driving device; 2. Beam loading trolley; 21. Vehicle body; 211. Wheel part; 212. Bracket; 213. Through hole; 214. Traveling steel wheel; 215. Outer traveling steel wheel; 216. Inner traveling steel wheel; 217. Steel wheel frame; 22. Upper cross beam; 221. Pad; 23. Ball joint support; 3. Box beam; 4. Track; 5. Winch; 6. Beam transport vehicle.

[0038] It should be understood that the drawings are not necessarily drawn to scale, presenting somewhat simplified representations of various features illustrative of the basic principles of the present disclosure. The specific design features of the present invention as disclosed herein, including, for example, specific dimensions, orientations, locations, and shapes will be determined in part by the particular intended application and use environment.

[0039] In the drawings, reference numbers refer to the same or equivalent parts of the present invention throughout the several figures of the drawing. DETAILED DESCRIPTION

[0040] Reference will now be made in detail to various embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below. Although the present invention will be described in conjunction with exemplary embodiments of the present invention, it should be understood that this specification is not intended to limit the present invention to those exemplary embodiments. On the other hand, the present invention is intended to cover not only the exemplary embodiments of the present invention, but also various alternatives, modifiers, equivalents and other embodiments, which may be included in the spirit and scope of the present invention as defined by the appended claims.

[0041] Hereinafter, the exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The specific structures and functions described in the exemplary embodiments of the present invention are for illustrative purposes only. The embodiments according to the concept of the present invention can be implemented in various forms, and it should be understood that they should not be interpreted as being limited to the exemplary embodiments described in the exemplary embodiments, but include all modifications, equivalents or substitutes included in the spirit and scope of the present invention.

[0042] It should be understood that although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, the first element discussed below may be referred to as the second element without departing from the teachings of the present invention. Similarly, the second element may also be referred to as the first element.

[0043] Throughout the specification, the professional terms used herein are only for describing various exemplary embodiments and are not intended to be limiting. It will be further understood that the terms "include", "comprising", "having", etc., when used in the exemplary embodiments, specifically refer to the presence of the stated parts, steps, operations or elements, but do not exclude the presence or addition of one or more other parts, steps, operations or elements.

[0044] It should be understood that the "traveling direction of the beam loading trolley" mentioned in this article refers to the direction of the beam loading trolley's length during the actual beam transportation process, i.e. Figure 4 In the left and right directions, correspondingly, the front direction of the beam transport vehicle can be defined as the front, and the rear direction can be defined as the rear. In this regard, in different drawings and different actual operating conditions, they can also be exchanged, and the above and following descriptions of the present invention do not limit them.

[0045] At present, there are three generations of beam transport machines commonly seen on the market. The first generation of beam transport machines is a single-beam and single-door type. Its size and structure are limited to loading beams on the first generation of beam transport vehicles used to transport 32-meter box girders. With the continuous emergence of tunnel transportation and erection conditions, low-level and ultra-low-level beam transport vehicles have been put into use. However, due to the reduced height of low-level beam transport vehicles and ultra-low-level beam transport vehicles, when designed for the same load-bearing capacity, the vehicle body needs to be lengthened, usually 42-47 meters.

[0046] Therefore, the first generation of single-beam single-door beam transporting machines have limited span (generally 37-39 meters), so the current first generation of beam transporting machines cannot cross over low-level beam transport vehicles or ultra-low-level beam transport vehicles to install beams.

[0047] In order to solve the above problems, an embodiment of the present invention provides a box girder installation device and method.

[0048] like Figure 1 As shown, an embodiment of the present invention provides a box girder installation device (the schematic diagram of the front end of the beam transport vehicle is omitted on the left side of the figure, only for showing the box girder installation device at the rear), including a beam installation platform 1, a beam installation trolley 2 and a track 4,

[0049] The track 4 can be laid on the ground;

[0050] The beam loading trolley 1 includes a vehicle body 21 and an upper cross beam 22. A wheel portion 211 is provided at the bottom of the vehicle body 21. The wheel portion 211 is surrounded by a steel wheel frame 217 on the side close to the upper cross beam 22. The wheel portion 211 can move along the track 4. The upper cross beam 22 is used to support the box beam 3. The length direction of the upper cross beam 22 is parallel to the track 4.

[0051] The box girder loading equipment provided by the present invention can be used in conjunction with a first-generation beam handling machine and a second-generation or third-generation beam transport vehicle, thereby realizing beam loading by a low-position or ultra-low-position beam transport vehicle.

[0052] Furthermore, the beam loading platform provided by the present invention is used to receive the box beams transported by the single-beam single-door transporter. Figure 2 The beam mounting stand 1 includes a stand body 11, which can usually be directly formed by overlapping steel bars at the construction site. For example, in some embodiments, the stand body 11 can include a table top 111 and a plurality of support legs 112, and the table top 111 and the support legs 112 are usually fixedly connected, such as by welding or bolting. The table top 111 and the support legs 112 can be made of the same material or different materials. Of course, under some extremely good production conditions, the table top 111 and the support legs 112 in the stand body 11 can also be directly integrally formed. In this regard, the present invention is not particularly limited, as long as it can bear the weight of the box beam.

[0053] Furthermore, if Figure 2 As shown, a lower through hole 113 for the beam loading trolley 2 to pass through is provided below the platform body 11, and at least two detachable pads 121 are provided on the table 111 of the platform body 11, and the two pads 121 are used to support the box beam 3. In some embodiments, the lower through hole 113 is formed between two adjacent support legs 112, that is, it is formed by the lower surface of the table 111 and the two opposite surfaces of the two adjacent support legs 112. Of course, in other embodiments of the present invention, when the beam loading platform 1 is formed by one-piece molding, it can be directly manufactured by a mold with a lower through hole 113. The present invention does not impose any special restrictions on the formation method of the lower through hole 113, as long as a through hole that penetrates in the front and rear directions of the beam loading platform 1 can be formed. The lower through hole 113 can allow some necessary equipment to pass through, especially to allow the beam loading trolley 2 provided by the present invention to be inserted, so that when loading the beam, the beam loading trolley 2 can ensure that the box beam 3 is fully supported until the beam transport vehicle 6 fully carries the box beam.

[0054] Furthermore, a pad 121 is provided on the surface of the table top 111 for supporting the box beam 3 , and the pad 121 can be pushed by a driving device 122 .

[0055] As described above, two detachable pads 121 are provided on the table surface 111 of the beam loading platform 1 provided by the present invention. During the beam loading process, when the box beam 3 is located on the beam loading platform 1, the pads 121 play a role of supporting the box beam 3. Subsequently, when the box beam 3 leaves the beam loading platform 1, in order to avoid scratches or bumps, it is necessary to disassemble it after the box beam 3 is lifted. In one embodiment of the present invention, when the box beam 3 is lifted, the pads 121 can be directly manually disassembled by the operator.

[0056] In some other embodiments of the present invention, a driving device 122 is further provided on the table surface 111 of the beam mounting platform 1, and the driving device 122 is in contact with the pad 121. Accordingly, the number of the driving devices 122 is the same as the number of the pad 121. In this case, when the pad 121 needs to be removed (that is, when the box beam is detached from the pad), the driving device 122 is started to push the pad 121 and push the pad 121 outward, and then the driving device 122 is no longer in contact with the pad 121, so that the pad 121 can be removed from the surface of the beam mounting platform 1.

[0057] In some embodiments of the present invention, the driving device 122 may be a hydraulic rod, a cylinder or the like, and the present invention does not impose any particular limitation on this as long as the cushion block 121 can be pushed open by a driving force.

[0058] In addition, in some embodiments of the present invention, the contact end of the driving device 122 and the cushion block 121 may be provided with a hook (not shown), and the contact end of the cushion block and the driving device 122 is provided with a hanging hole (not shown) for cooperating with the hook. In this case, the driving device 122 and the cushion block 121 are in an initial state (i.e., from the beginning of beam installation until the box beam leaves the cushion block), and the driving device 122 and the cushion block 121 are in a connected state. During the beam installation process, the hook is initially connected to the hanging hole. When the driving device 122 pushes the cushion block 121 to leave the table 111 of the beam installation stand 1, the hook and the hanging hole are connected to each other, so that the cushion block 121 will not fly out to injure the operator, or touch other devices to affect the beam installation operation of the box beam 3.

[0059] When the above-mentioned beam loading platform 1 is in use, one end of the box beam 3 is placed on the beam loading platform 1 through a beam transporting machine (not shown), and the box beam 3 is supported by a pad 121, while the other end of the box beam 3 is placed on the beam loading trolley 2. For this purpose, the beam loading trolley 2 will be described in detail below.

[0060] like Figure 3 Figure 4 As shown, the beam loading platform 1 includes a table top 111 and supporting legs 112. The table top 111 is used to support the box beam 3, and the supporting legs 112 are used to support the table top 111. Two adjacent supporting legs 112 and the surface of the table top 111 in contact with the supporting legs 112 form a lower through hole 113. When the beam loading trolley 2 moves along the track 4, the lower through hole 113 can be used for the steel wheel frame 217 to be inserted.

[0061] Furthermore, there are multiple vehicle bodies 21 , and the multiple vehicle bodies 21 are fixedly connected by an upper cross beam 22 ; the wheel portion 211 of each vehicle body 21 can move along the direction of the track 4 .

[0062] Furthermore, the beam loading trolley 2 provided by the present invention includes two vehicle bodies 21 of identical structure and symmetrically placed, and the vehicle bodies 21 are connected by an upper cross beam 22, so as to maintain the consistency of the two vehicle bodies 21 when moving forward or backward, and avoid the vehicle bodies 21 getting stuck on the track 4 when moving forward or backward, and being unable to move and affecting the beam loading; the vehicle body 21 includes a wheel part 211 and a bracket 212, and the wheel part 211 includes a traveling steel wheel 214 and a steel wheel frame 217 surrounding the upper half of the traveling steel wheel 214 and connected to the bracket 212, and the steel wheel frame 217 plays a supporting role for the traveling steel wheel 214, and can connect the traveling steel wheel 214 with the bracket 212 to form the entire vehicle body 21 part. Figure 4 As shown, the steel wheel frame 217 covers the top of the traveling steel wheel 214, and passes through the traveling steel wheel 214 through a bearing in the middle.

[0063] Furthermore, each wheel portion 211 is surrounded by a steel wheel frame 217 on one side close to the upper cross beam 22 , and the length of the steel wheel frame 217 is greater than the length of the upper cross beam 22 .

[0064] Furthermore, the wheel portion 211 is connected to the upper cross beam 22 via a bracket 212 ; a ball joint support 23 is provided between the bracket 212 and the upper cross beam 22 .

[0065] The bracket 212 is vertically mounted on the steel wheel frame 217. Specifically, the bracket 212 can be mounted by welding or bolting. In one embodiment of the present invention, the bracket 212 can also be integrally formed with the steel wheel frame 217. In the traveling direction of the beam loading trolley 2, the steel wheel frame 217 is set to have a length greater than the width of the upper cross beam 22. Specifically, from Figure 4 It can be seen that the length of the steel wheel frame 217 is greater than the width of the upper crossbeam 22, and the length direction of the steel wheel frame 217 is the travel direction of the beam loading trolley 2. Such a setting can make the protruding part of the steel wheel frame 217 (i.e. the part protruding from the upper crossbeam) in the later stage of beam loading to cooperate with the lower through hole 113 of the fixed stand, so that the support of the box beam during the beam loading process meets the support conditions, and the distance between the beam loading trolley and the beam loading stand is close enough, so as to complete the beam loading. In order to enable the beam loading trolley to be smoothly inserted into the lower through hole 113 of the above-mentioned beam loading stand 1, the distance between the steel wheel frame 217 and the ground is smaller than the distance between the upper surface of the lower through hole 113 and the ground.

[0066] Furthermore, the upper cross beam 22 is connected to each car body 21 via a ball joint support 23, thereby bearing the load of the box beam 3. In other words, the ball joint support 23 is located between the upper cross beam 22 and the bracket 212. The use of the ball joint support 23 between the upper cross beam 22 and the car body 21 can achieve angular displacement between the upper cross beam 22 and the car body 21 on the curved track 4. In other words, the consistency of the movement of the two car bodies 21 can be achieved even on the curved track 4, and the walking steel wheel 214 will not be deflected, thereby avoiding the walking steel wheel 214 from getting stuck on the track during travel, avoiding accidents and extending the service life of the equipment.

[0067] Furthermore, the upper cross beam 22 is provided with a pad 221 on the surface for supporting the box beam 3. That is, the upper surface of the upper cross beam 22 of the beam loading trolley 2 is provided with a pad 221 at the position corresponding to the bracket 212.

[0068] Furthermore, the wheel portion 211 includes a plurality of traveling steel wheels 214 , and each traveling steel wheel 214 can travel along the track direction of the track system 4 ;

[0069] The bracket 212 is fixedly connected to the steel wheel frame 217 at the outer edges of the walking steel wheels 214 on both sides.

[0070] Furthermore, the travel steel wheels 214 include a pair of inner travel steel wheels 216 and a pair of outer travel steel wheels 215 ; the wheelbase between the two inner travel steel wheels 216 is smaller than the wheelbase between the two outer travel steel wheels 215 .

[0071] The two rows of traveling steel wheels can increase the carrying capacity of the beam loading trolley 2 for the box beam 3 load, and can also avoid excessive pressure on the ground rails, thereby increasing the service life of the equipment. Of course, in the case where the inner traveling steel wheels 216 and the outer traveling steel wheels 215 are provided, the tracks 4 need to be provided respectively, that is, the tracks 4 need to be provided according to the specific conditions of the traveling steel wheels 214.

[0072] Furthermore, in the traveling direction of the beam loading trolley 2, the wheelbase between the two inner traveling steel wheels 216 is smaller than the wheelbase between the two outer traveling steel wheels 215. In this case, the length of the steel wheel frame relatively located on the two inner traveling steel wheels 216 is also smaller than the length of the steel wheel frame located on the two outer traveling steel wheels 215, but is still greater than the width of the upper crossbeam 22.

[0073] Furthermore, the box girder installation equipment also includes a winch 5, and the winch 5 is used to provide power for the installation trolley 2 to travel.

[0074] like Figure 3As shown, the bracket 212 of the beam loading trolley 2 of the present invention is a trapezoidal shape when viewed in the traveling direction of the beam loading trolley 2. The trapezoidal shape is conducive to increasing the load of the vehicle body. Further, a through hole 213 is opened in the center of the bracket in the front-to-back direction, and the front-to-back direction is the traveling direction of the beam loading trolley 2.

[0075] The beam loading trolley 2 provided by the present invention is set on the track 4 during use. When adjusting its position, due to its light weight and small size, the staff can directly push it on the track 4 to set its specific position relative to the beam loading platform 1. In some embodiments of the present invention, the box beam loading equipment provided by the present invention also includes a winch 5, which is used to pull the beam loading trolley 2. Specifically, Figure 1 , Figure 5 or Figure 6 The hoist 5 shown can be arranged at one end of the track 4 away from the beam loading platform, or can be arranged outside the track 4, and the present invention does not impose any specific restrictions on this, as long as it can pull the beam loading trolley 2 in the opposite direction of the beam loading, so that after the beam loading operation, the beam loading trolley 2 can be pulled back by the hoist 5. This can improve the construction efficiency and further ensure the safety of the construction workers.

[0076] Therefore, the above-mentioned box beam loading equipment provided by the present invention makes up for the deficiency that the first generation single beam single door type beam handling machine has limited span and cannot cross the second generation or third generation beam transport vehicle, resulting in the inability to transport beams for the second generation or third generation beam transport vehicle. By setting the beam loading platform and the beam loading trolley, the beam handling machine with limited span can first transport the box beam to the box beam loading equipment, and use the box beam loading equipment as a transition equipment for loading beams, thereby avoiding the problem that the beam handling machine cannot cross the beam transport vehicle. Furthermore, the frame length of the beam loading trolley is greater than the width of the upper crossbeam, and the protruding part of the beam loading trolley cooperates with the lower through hole of the fixed platform in the later stage of loading beams, and can be inserted into the lower through hole of the beam loading platform, so that the beam loading trolley can be as close to the tail of the beam transport vehicle as possible during the beam loading, greatly reducing the distance between the beam loading trolley and the beam loading platform, and can completely transport the box beam to the beam transport vehicle, so that the support of the box beam during the beam loading process meets the support conditions, thereby making up for the length limitation of the first generation beam handling machine.

[0077] In addition, the manufacturing process of the beam mounting platform and the beam mounting trolley provided by the present invention is very simple, and no large-scale construction equipment is required. The equipment can be constructed and manufactured on site, and the equipment can be assembled by welding or bolting, which saves time and labor, and has low manufacturing cost. In addition, the equipment can also be mass-produced through molds and manufacturing equipment to improve efficiency.

[0078] The embodiment of the present disclosure also provides a box beam installation method, wherein the box beam installation method uses the above-mentioned box beam installation equipment and comprises the following steps:

[0079] 1) Move the box beam 3 to the beam loading platform 1, and place the tail of the box beam 3 on the beam loading trolley 1. At this time, the beam transport trolley 2 is located on the track 4, and the length direction of the box beam 3 is parallel to the track direction;

[0080] 2) Adjust the beam transport vehicle so that the beam transport vehicle is aligned with the beam loading platform 1 and the beam loading vehicle 2 in the vehicle body width direction;

[0081] 3) The beam transport vehicle receives one end of the box beam 3 from the beam loading platform 1;

[0082] 4) The beam transport vehicle drives the box beam 3 to move forward until the steel wheel frame 217 is completely inserted into the lower through hole 113 of the beam loading platform 2;

[0083] 5) The beam transport vehicle continues to operate until the box beam 3 is completely moved onto the beam transport vehicle.

[0084] The beam handling machine and beam transport vehicle used in this method are both those available in the prior art, and are not particularly limited in the present invention. The beam transport vehicle should be equipped with multiple jacking devices to carry, transport, and adjust the state of the box beam. Although the present invention uses the first-generation beam handling machine to load beams on the second-generation or third-generation beam transport vehicle through the equipment and method of the present invention, those skilled in the art should understand that, based on the equipment and method provided by the present invention, a single-beam double-door (second-generation) or double-beam double-door (third-generation) beam handling machine can also be used to load beams on any of the first to third-generation beam transport vehicles. Therefore, the following will be combined with Figure 5 and Figure 6 The method provided by the present invention is described in detail with reference to the schematic diagram of beam transportation.

[0085] in, Figure 5 It is a schematic diagram of the box girder installation equipment according to the present invention after receiving the box girder and aligning it with the girder transport vehicle during the installation process. Figure 6 It is a schematic diagram of the state of the box girder loading equipment according to the present invention after the box girder is completely loaded onto the girder transport vehicle.

[0086] Reference Figures 5 and 6The method for box beam loading using the box beam loading equipment provided by the present invention comprises the following steps: using a beam transporting machine (not shown) to transport the box beam 3 to the loading platform 1, and placing the tail of the box beam 3 on the loading trolley 2, at which time the beam transporting trolley 2 is located on the track 4, and the length direction of the box beam 3 is parallel to the extension direction of the track 4 (S1). Before loading the beam, the track 4 can be first laid at the beam construction site, wherein the specific number of tracks 4 should be set according to the structure of the specific walking steel wheel 214. For example, when there are two rows of inner walking steel wheels 216 and outer walking steel wheels 215 as described above, two tracks should be laid under one car body, that is, a total of four tracks are laid, corresponding to two car bodies 21. If there are only one row of walking steel wheels 214 or three rows of walking steel wheels 214, the number of tracks should be reduced and increased accordingly. In addition, the track system 4 only needs to be able to carry the loading trolley 2 and allow it to move freely and backward on it.

[0087] Furthermore, the existing beam-carrying machine is unable to cross over the beam-carrying vehicle with a large length and a low height. Therefore, the beam-loading platform and the beam-loading vehicle are directly used as beam-carrying vehicles with suitable heights to load the beams. The distance between the beam-loading platform and the beam-loading vehicle is adjusted according to the size of the box beam. Then the beam-carrying machine places one end of the box beam on the pad of the beam-loading platform and places the other end of the box beam on the pad of the beam-loading vehicle. At this time, the box beam is carried by the box beam loading equipment.

[0088] Subsequently, the beam transport vehicle 6 is aligned with the beam loading platform 1 and the beam loading vehicle 2 in the vehicle body width direction (S2). After completing the above steps S1 and S2, the state of the device, i.e., the beam transport vehicle 6, is as follows: Figure 5 As shown, the width direction of the vehicle body refers to the direction perpendicular to the traveling direction of the beam loading trolley 2, and the alignment of the beam transport vehicle 6 with the beam loading platform 1 and the beam loading trolley 2 means that the center line of the width of the beam transport vehicle 6 is aligned with the center line of the beam loading platform 1 and the beam loading trolley 1.

[0089] After ensuring that the beam transport vehicle 6 is aligned with the beam loading platform 1 and the beam loading platform 2, the jacking device (not shown) on the beam transport vehicle 6 takes over one end of the box beam 3 from the beam loading platform 1, and then removes the cushion block 121 on the beam loading platform 1 (S3). The jacking device can be a cylinder jacking device. The jacking device on the beam transport vehicle 6 jacks up one end of the box beam, so that the box beam 3 leaves the cushion block 121 supporting it on the table 111 of the beam loading platform 1. At this time, the on-site operator directly removes the cushion block 121 on the beam loading platform 1, so that the box beam 3 is carried by the jacking device and the beam loading platform 2.

[0090] In some embodiments of the present invention, since the facilities for transporting the box beam are all large-scale equipment, in order to avoid injuries to operators, as described above, a driving device 122 can be set on the beam loading platform 1, and the cushion block can be pushed out by the driving device 122. The connection method between the driving device 122 and the cushion block 121 has been introduced above, and it will not be repeated here. Therefore, when the box beam 3 leaves the beam loading platform 1 and is carried by the jacking device of the beam transport vehicle 5, the driving device 122 can be controlled by the equipment to push out the cushion block 121. As described above, hooks and hanging holes can also be set to prevent the cushion block from flying out and injuring people around.

[0091] Subsequently, after the pad 121 is removed, the lifting device on the beam transport vehicle 6 drives the box beam 3 to move forward, and the beam loading trolley 2 moves with the movement of the lifting device until the beam loading trolley 2 is completely inserted into the lower through hole 113 of the beam loading platform 1 (S4). In this process, since the beam loading trolley 2 bears the huge load of the box beam 3, a huge friction force is formed between the box beam 3 and the pad 221 of the beam loading trolley 2. Therefore, the beam loading trolley 2 at the rear does not need any drive, and can be driven forward by the box beam 3 as the lifting device moves. In this way, there is no need to set any drive device in the beam loading trolley 2, which saves vehicle body space and saves more energy.

[0092] Due to the above structure of the beam loading trolley 2, that is, the length of the steel wheel frame 217 is greater than the width of the upper cross beam 22, the beam loading trolley 2 can be as close to the beam loading platform 1 as possible, so that the box beam 3 can be fully loaded onto the beam transport vehicle 6.

[0093] Then, the lifting device on the beam transport vehicle 5 rises, so that the box beam 3 is completely transported to the beam transport vehicle 5 (S5), whereby the box beam 3 is completely carried by the beam transport vehicle (such as Figure 6 as shown).

[0094] After completing the above step S5, the beam loading trolley 2 is moved to the original position (S6), that is, the original position of the beam loading trolley 2 when the beam transporting machine initially places the box beam 3 on the box beam loading equipment. And this step can be manually pushed back by the on-site staff. Since the beam loading trolley 2 is provided with a walking steel wheel 214 and equipped with a track 4, even manual operation will not cause much impact on the staff. In some embodiments of the present invention, moving the beam loading trolley 2 to the original position can also include moving the beam loading trolley 2 to the original position (S6') by a winch 6. The winch 6 is usually set at a position after the original position of the above-mentioned beam loading trolley 2. The device on the far right in the figure is the winch 6. When pulling back by the winch, it is necessary to pay attention to that the pulling point position cannot be too far back, that is, too far from the original position of the beam loading trolley, and the speed cannot be too fast and the pulling force needs to be balanced to avoid uneven force on the vehicle body and getting stuck on the track.

[0095] In this way, the box girder loading equipment provided by the present invention cooperates with the beam handling machine and the beam transport vehicle to complete the loading of the beams. Based on the box girder loading method provided by the present invention, the jacking device on the beam transport vehicle can move actively, so the beam loading trolley of the present invention can move forward without additional driving force, and no external force is required, which greatly saves energy consumption. In addition, the upper crossbeam on the vehicle body can ensure the movement consistency of the entire beam loading trolley, and will not cause the situation where the beam loading trolley is stuck on the track and cannot move forward when moving forward. This method can be used in conjunction with the first generation of beam handling machines, avoiding the limitation of the single-beam single-door beam handling machines by the length of the beam transport vehicle. It revitalizes old equipment, avoids equipment idleness, improves the utilization rate of the beam handling machine, does not need to improve existing equipment, and saves costs.

[0096] As described above, the box girder loading equipment and the method for loading box girder using the box girder loading equipment provided by the present invention can not only be applied to the use of the first generation beam handling machine to load the second or third generation beam transport vehicle, but can also be applied to the use of any generation of beam handling machine to load the beam on any generation of beam transport vehicle. Those skilled in the art should note that when applied to different beam handling machines or beam transport vehicles, it is necessary to adjust the distance between the beam loading trolley and the beam loading platform, and adjust the height of the beam loading platform and the beam loading trolley as needed to adapt to different equipment, and the adjustment of these parameters only requires simple adjustment during construction, which is very convenient and low cost.

[0097] The foregoing description of specific exemplary embodiments of the present invention has been presented for the purpose of illustration and description. It is not intended to exclude or limit the present invention to the precise form disclosed, and it is obvious that many modifications and changes are feasible in view of the above teachings. Exemplary embodiments are selected and described to explain certain principles of the present invention and their practical application, so that other technicians in the field can make or use various exemplary embodiments of the present invention, and various alternatives and modifications thereof. It is intended that the scope of the present invention will be defined by the claims attached hereto and their equivalents.

[0098] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A box girder installation device, comprising a beam installation stand, a beam installation trolley and a track, characterized in that: The track can be laid on the ground; The beam loading trolley comprises a vehicle body and an upper cross beam, a wheel portion is provided at the bottom of the vehicle body, a side of the wheel portion close to the upper cross beam is surrounded by a steel wheel frame, the wheel portion can travel along the track direction, the upper cross beam is used to support the box beam, and the length direction of the upper cross beam is parallel to the track direction; The beam loading platform comprises a platform and supporting legs, wherein the platform is used to support the box beam, and the supporting legs are used to support the platform. Two adjacent supporting legs and the surface of the platform contacting with the supporting legs form lower through holes, and when the beam loading trolley moves along the track, the lower through holes can be inserted into the steel wheel frame; There are multiple car bodies, and the multiple car bodies are fixedly connected by an upper crossbeam; The wheels of each vehicle body can move along the track direction; The side of each wheel part close to the upper cross beam is surrounded by a steel wheel frame, and the length of the steel wheel frame is greater than the length of the upper cross beam; the distance between the steel wheel frame and the ground is less than the distance between the upper surface of the lower through hole and the ground.

2. The box girder installation equipment according to claim 1, characterized in that: The wheel part is connected to the upper cross beam through a bracket; a ball joint support is arranged between the bracket and the upper cross beam.

3. The box girder installation equipment according to claim 1, characterized in that: The surface of the table top used for supporting the box beam is provided with a cushion block, and the cushion block can be pushed by a driving device.

4. The box girder installation equipment according to claim 1, characterized in that: The surface of the upper cross beam used for supporting the box beam is provided with a pad.

5. The box girder installation equipment according to claim 2, characterized in that: The wheel part includes a plurality of traveling steel wheels, each of which can travel along the track direction of the track system; The bracket is fixedly connected to the steel wheel frames at the outer edges of the traveling steel wheels on both sides.

6. The box girder installation equipment according to claim 5, characterized in that: The traveling steel wheels include a pair of inner traveling steel wheels and a pair of outer traveling steel wheels; the wheelbase between the two inner traveling steel wheels is smaller than the wheelbase between the two outer traveling steel wheels.

7. The box girder installation equipment according to claim 1, characterized in that: The box girder installation equipment also includes a winch, which is used to provide power for the travel of the beam installation trolley.

8. A box girder installation method, characterized in that: The box girder installation method uses the box girder installation equipment according to any one of claims 1 to 7, comprising the following steps: 1) Move the box beam to the beam loading platform, and place the tail of the box beam on the beam loading trolley. At this time, the beam transport trolley is on the track, and the length direction of the box beam is parallel to the track direction; 2) Adjust the beam transport vehicle so that it is aligned with the beam loading platform and beam loading vehicle in the width direction of the vehicle body; 3) The beam transport vehicle takes over one end of the box beam from the beam loading platform; 4) The beam transport vehicle drives the box beam forward until the steel wheel frame is fully inserted into the lower through hole of the beam loading platform; 5) The beam transport vehicle continues to operate until the box girder is completely transferred to the beam transport vehicle.

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