CN216266742U - System for transporting and storing beams in high and low fields by mobile prefabricated parts - Google Patents
System for transporting and storing beams in high and low fields by mobile prefabricated parts Download PDFInfo
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- CN216266742U CN216266742U CN202122641537.4U CN202122641537U CN216266742U CN 216266742 U CN216266742 U CN 216266742U CN 202122641537 U CN202122641537 U CN 202122641537U CN 216266742 U CN216266742 U CN 216266742U
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Abstract
The utility model belongs to the technical field of building construction. A movable type prefabricated part beam transporting and storing system for solving high and low field comprises a first beam storing field and a second beam storing field, wherein a first beam storing platform seat is distributed in the first beam storing field; a second beam storage pedestal is arranged in the second beam storage field, and the first beam storage pedestal and the second beam storage pedestal are overlapped by the width of at least one beam plate to form a beam pouring channel; a first track is arranged on the first beam storage field; a second track is arranged on the second beam storage field, and the first track and the second track are arranged in parallel; and the first beam storage pedestal or the second beam storage pedestal corresponding to the beam reversing channel is provided with a movable prefabricated part, and the height of the upper supporting surface of the movable prefabricated part is within the lifting height range of the first gantry crane and the second gantry crane. This application can realize the transportation of the beam slab between the poor place of height and deposit the roof beam, can effectively solve a plurality of problems of depositing the unable roof beam between the roof beam place, greatly reduced construction cost.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a system for transporting and storing beams in high and low fields by using a movable prefabricated part.
Background
One proposition in the construction of the precast yard is to determine the number of the storage beams, which is often a dispute 32429and is difficult to define accurately. In principle the beam slab prefabrication sequence is "prefabrication first and installation first and vice versa". However, once the lower part of the project for installing the bridge is blocked (the construction is not smooth), the problem of 'beam falling' (the beam stored in the beam storage yard is transported away) exists, and the construction cost is greatly increased (newly increased transportation equipment, transportation cost and the like).
The common practice is: firstly, whether the original beam storage field is long enough or not and whether the possibility of extension exists or not are seen, but the method is not feasible, so that the beam storage field has to be additionally newly characterized. A new problem appears: whether the land is close to the original storage beam field nearby or not can be judged. Of course, if the land can be adjoined without losing, a relatively low-cost method is provided, but for the project of a heavy hilly area of a mountain, it is not easy to identify a proper land, and even if the land is adjoined, the height difference between the new land and the old land is always caused, thereby blocking the good idea of people.
Through years of research on the construction of beam yards in mountainous and heavy hilly areas, the method has the following findings: the problems can be solved by technical means as long as the height difference between the new and old prefabricated yard is within a certain range and the gantry cranes of the new and old prefabricated yards have the width of overlapping one beam slab under the limit condition, but the problem of beam transportation and beam storage of the movable prefabricated parts in the high and low yard needs to be solved by a system.
Disclosure of Invention
The utility model aims to solve the problems and the defects in the prior art, and provides a movable prefabricated part for a beam transporting and storing system in a high and low field, which has the advantages of reasonable structural design and good stability, can realize the transportation and the beam storage of beam plates between high and low difference fields, can effectively solve the problem that the beams cannot be dumped among a plurality of beam storing fields, and greatly reduces the construction cost.
In order to realize the purpose, the adopted technical scheme is as follows:
a movable prefabricated part system for solving high and low field beam transportation and storage comprises:
the beam storage system comprises a first beam storage field, wherein a plurality of rows of first beam storage pedestals supported at the lower part of a beam plate are distributed in the first beam storage field;
the beam storage system comprises a first beam storage site, a second beam storage site and a beam storage system, wherein a plurality of rows of first beam storage pedestals supported at the lower parts of beam plates are distributed in the first beam storage site;
the first gantry cranes are distributed with first rails on the first beam storage site, two groups of the first gantry cranes are arranged on the first rails in a spanning mode, and one end of each first rail extends to a second beam storage platform seat close to the first beam storage site;
the second gantry cranes are distributed with second rails on the second beam storage site, two groups of second gantry cranes are arranged on the second rails in a spanning mode, one end of each second rail extends to a first beam storage table seat close to the second beam storage site, and the first rails and the second rails are arranged in parallel; and
and the movable prefabricated part is arranged on a pedestal foundation of the first beam storage pedestal or a pedestal foundation of the second beam storage pedestal corresponding to the inverted beam channel, and the height of an upper supporting surface of the movable prefabricated part is within the lifting height range of the first gantry crane and the second gantry crane.
According to the system for transporting and storing the beams in the high and low fields by the movable prefabricated part, the system preferably further comprises a limiting unit, the limiting unit comprises a detection sensor and a limiting collision block, the limiting collision blocks are arranged on the first rail and the second rail, the detection sensors are arranged on the first gantry crane and the second gantry crane, and the detection sensors are linked with the traveling devices of the first gantry crane and the second gantry crane.
According to the system for transporting and storing the beams in the high and low fields by the movable prefabricated part, preferably, the first gantry crane and the second gantry crane respectively comprise a support gantry, a cross beam arranged at the top of the support gantry and a lifting appliance arranged on the cross beam in a walking mode, walking wheels corresponding to the first rail or the second rail are arranged at the bottom of the support gantry, and a walking driving motor for driving the walking wheels to move is further arranged on the support gantry.
According to the mobile prefabricated part for solving the problem of beam transportation and storage system in high and low fields, a step-shaped field side slope is preferably formed between the first beam storage field and the second beam storage field, the distance L between the first beam storage pedestal and the second beam storage pedestal and the field side slope is more than or equal to S1+ S2, wherein S1 is the width of a supporting portal of the first gantry crane and the width of a supporting portal of the second gantry crane, and S2 is the height difference between the first beam storage field and the second beam storage field.
According to the movable prefabricated part for the beam transporting and storing system in the high and low field, preferably, one of the first beam storing field and the second beam storing field is a high beam storing field, the other one of the first beam storing field and the second beam storing field is a low beam storing field, a groove pit corresponding to a rail in the low beam storing field is formed in the high beam storing field, and a rail frame or a rail base corresponding to the rail in the high beam storing field is arranged in the low beam storing field.
According to the mobile prefabricated part for the beam transporting and beam storing system in the high and low field, the distance between a first beam storing platform close to a second beam storing field and a second beam storing platform close to the first beam storing field is preferably greater than or equal to 5 m.
According to the movable prefabricated part for solving the problem of the beam transporting and storing system in the high and low fields, the longitudinal slope delta of the first rail and the second rail is preferably less than or equal to 1 percent.
According to the movable prefabricated part for solving the problem of beam transportation and beam storage system in high and low fields, preferably, a connecting bolt is pre-buried on a first beam storage pedestal or a second beam storage pedestal corresponding to the movable prefabricated part, a through hole corresponding to the connecting bolt is formed in the movable prefabricated part, and the movable prefabricated part is fixedly connected with the corresponding beam storage pedestal through the connecting bolt and a nut.
By adopting the technical scheme, the beneficial effects are as follows:
this application structural design is reasonable, and stability is good, can realize the transportation of the beam slab between the poor place of height and deposit the roof beam, can effectively solve a plurality of problems that can't fall the roof beam between the roof beam place, greatly reduced construction cost. This application is through in the construction process of building in new and old place for form the overlap area that can a beam slab width between two places, thereby regard as the back-off beam transfer passage of the beam slab between two places, and then accomplish the back-off beam operation in two places, realize the turnover through the portal crane who lays with the help of the place, not only improve greatly in turnover efficiency, can obtain effectual guarantee in security and practicality moreover. This application can be so that it supports the pedestal as a altitude mixture control through the setting of portable prefabricated component, can solve because the difference in height is too big, leads to the problem of unable handling for it can design according to the difference in height parameter in place, satisfies the handling height of first portal crane and second portal crane. This application is in specific application process, and two sets of first portal cranes or two sets of second portal cranes can carry out the handling operation of beam slab front and back or left and right directions alone in respective place, and adjacent first portal crane and second portal crane can cooperate the transportation that realizes the beam slab between two places, and the flexibility is high, and the turnover action is with low costs, and the efficiency of construction is high, need not other transportation expenses, can effectually be applied to the heavy hilly area in mountain area.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. Wherein the drawings are only for purposes of illustrating some embodiments of the utility model and are not to be construed as limiting the utility model to all embodiments thereof.
Fig. 1 is a schematic structural diagram of a system for transporting and storing beams in high and low fields by using movable prefabricated parts according to an embodiment of the utility model.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is a side view of the structure of fig. 1.
Fig. 4 is a schematic structural diagram of an original beam pedestal and a new beam pedestal according to an embodiment of the present invention.
Number in the figure:
100 is a first beam storage site, 101 is a first beam storage pedestal, 102 is a first track, 103 is a first gantry crane, 1031 is a support gantry, 1032 is a traverse beam, 1033 is a lifting appliance, 1034 is a traveling wheel, 1035 is a traveling drive motor, and 104 is a site slope;
200 is a second beam storage site, 201 is a second beam storage pedestal, 202 is a second track, and 203 is a second gantry crane;
300 is a movable prefabricated part;
and 400 is a limit stop block.
Detailed Description
Illustrative aspects of embodiments of the utility model are described more fully hereinafter with reference to the accompanying drawings, in which specific embodiments of the utility model are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art.
In the description of the present invention, it should be understood that the terms "first" and "second" are used to describe various elements of the utility model, and are not intended to limit any order, quantity, or importance, but rather are used to distinguish one element from another.
It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.
It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience in describing the present invention, and do not indicate that the device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
Referring to fig. 1 to 4, the application is mainly applied to mountainous heavy hill terrains, and how to realize beam dumping under the conditions that a height difference exists between two new and old beam storage places and the two new and old beam storage places are arranged in a staggered manner is a technical problem to be solved by the application, because no effective transportation route exists, a transportation vehicle cannot be directly adopted for ground transportation, and because of the problem of space, even if the transportation vehicle is adopted, excessive interference exists when the beam plates are in turnover, and sufficient buffering or steering space cannot be provided; the application specifically discloses portable prefabricated component solves high low yard fortune roof beam and deposits roof beam system, including first beam place 100, second beam place 200, first portal crane 103, second portal crane 203 and portable prefabricated component 300 of depositing, first beam place of depositing in this application is former beam place of depositing, the second beam place of depositing is new beam place, as for there being the difference in height between former beam place of depositing and the new beam place of depositing, probably the new beam place of depositing is higher than former beam place of depositing according to the actual condition, also probably the former beam place of depositing is higher than new beam place of depositing, the embodiment given in this embodiment uses new beam place relief low, the concrete description of system is carried out to former beam place relief height as the example.
A plurality of rows of first beam storage pedestals 101 supported at the lower parts of the beam plates are distributed in the first beam storage field 100; a plurality of rows of second beam storage platforms 201 supported at the lower parts of the beam plates are distributed in the second beam storage site 200, the first beam storage platforms 101 and the second beam storage platforms 201 are arranged in a front-back opposite mode or in a front-back staggered mode, the first beam storage platforms 101 and the second beam storage platforms 201 are overlapped by the width of at least one beam plate to form a beam dumping channel, and all the beam plates in the original beam storage site need to pass through the area of the beam dumping channel and then enter the new beam storage site in the beam transportation process of the new beam storage site and the original beam storage site; a first rail 102 is arranged on the first beam storage site 100, two groups of first gantry cranes 103 are arranged on the first rail 102 in a spanning manner, and one end of the first rail 102 extends to a second beam storage table base 201 close to the first beam storage site 100; a second rail 202 is arranged on the second beam storage site 200, two groups of second gantry cranes 203 are arranged on the second rail 202 in a spanning manner, one end of the second rail 202 extends to a first beam storage base 101 close to the second beam storage site 200, and the first rail 102 and the second rail 202 are arranged in parallel; and a movable prefabricated part 300 is arranged on the pedestal foundation of the first beam storage pedestal 101 or the pedestal foundation of the second beam storage pedestal 201 corresponding to the inverted beam channel, and the height of the upper supporting surface of the movable prefabricated part 300 is within the lifting height range of the first gantry crane 103 and the second gantry crane 203. The pre-buried connecting bolt that is provided with on the pedestal basis of the first beam pedestal of depositing or the second beam pedestal of depositing that corresponds with portable prefabricated component, be provided with the through-hole that corresponds with connecting bolt on the portable prefabricated component, through connecting bolt and nut fixed connection between portable prefabricated component and the beam pedestal of depositing that corresponds. The movable prefabricated components are arranged in a relatively low height difference field to adapt to the hoisting height of a gantry crane in the relatively high height difference field, the movable prefabricated components are arranged in the second beam storage field in the embodiment, second beam storage pedestals at other positions in the second beam storage field can be manufactured in a cast-in-place mode, or all the second beam storage pedestals are formed by arranging the movable prefabricated components on the pedestal foundation side by side, namely the second beam storage pedestals are formed by adopting the movable prefabricated components of the pedestal foundation and the upper part, the movable prefabricated components are prefabricated reinforced concrete pouring blocks, and in order to improve the stability of the movable prefabricated components, the adjacent movable prefabricated components can be butted by adopting a connecting structure.
Through the design of above-mentioned structure, its concrete theory of operation is:
when the beam body of the original beam storage site is required to be conveyed to a new beam storage site, a first gantry crane of the original beam storage site close to the new beam storage site is hoisted to a beam storage pedestal (namely, a last row beam storage pedestal) corresponding to one end, far away from the new beam storage site, of a middle beam plate of the original beam storage site, and meanwhile, a second gantry crane of the original beam storage site close to the original beam storage site is hoisted to a beam storage pedestal (a last row beam storage pedestal) corresponding to one end, close to the new beam storage site, of the middle beam plate of the original beam storage site. Hoisting 1 beam plate in the original beam storage site in a staggered manner by using the gantry crane, and placing the beam plate on a movable prefabricated part in a new beam storage site after passing through a beam-reversing channel; and the original beam storage yard gantry crane retreats to the original beam storage yard, and the transferred beam slab is transversely moved to a proper position by using two second gantry cranes in the new beam storage yard. And repeating the steps to realize the transportation of the stored beam in the original beam storage site to the new beam storage site.
In the action process, the first gantry crane and the second gantry crane can move to a certain distance in a corresponding field, and in order to avoid collision or derailment accidents, the limiting unit is arranged, specifically, the structure of the limiting unit is provided, the limiting unit comprises a detection sensor and a limiting collision block 400, the limiting collision block 400 is arranged on the first track 102 and the second track 202, the detection sensors are arranged on the first gantry crane 103 and the second gantry crane 203, and the detection sensors are linked with the traveling devices of the first gantry crane 103 and the second gantry crane 203. When the gantry crane runs to a corresponding position, the brake can be timely performed.
Further, the first gantry crane 103 and the second gantry crane 203 in this embodiment each include a support portal 1031, a traverse beam 1032 disposed on top of the support portal, and a spreader 1033 disposed on the traverse beam for traveling, wherein a traveling wheel 1034 corresponding to the first rail or the second rail is disposed at the bottom of the support portal, and a traveling drive motor 1035 for driving the traveling wheel 1034 to move is further disposed on the support portal 1031. Through the structure, the actions of the lifting appliance in the front-back direction and the left-right direction on the corresponding field can be realized, and the lifting height of the lifting appliance can meet the height difference of the field, so that the feasibility of turnover is guaranteed.
In order to avoid collision between a portal frame and a side slope and between the portal frame and ensure that a sufficient buffer space exists in the action process, a step-shaped field side slope 104 is formed between a first beam storage field 100 and a second beam storage field 200, the distance L between the first beam storage base 101 and the second beam storage base 102 and the field side slope is not less than S1+ S2, S1 is the width of a support portal frame of the first portal crane and the second portal crane, and S2 is the height difference between the first beam storage field and the second beam storage field.
In order to facilitate arrangement of the tracks, one of the first beam storage field and the second beam storage field is a high beam storage field, the other one of the first beam storage field and the second beam storage field is a low beam storage field, a groove pit corresponding to the track in the low beam storage field is formed in the high beam storage field, and a track frame or a track base corresponding to the track in the high beam storage field is arranged in the low beam storage field. As described above in this application, the groove pit has been opened in first beam yard of depositing promptly to be convenient for the second track to lay to the first last row in depositing the beam yard and deposit the beam pedestal department, be provided with track frame or track base station in the second deposits the beam yard, thereby be convenient for first track to lay to the first last row in depositing the beam yard and deposit the beam pedestal department, the last row here all refers to the first beam yard of depositing and the second deposits the beam pedestal of depositing of beam yard juncture.
Further, when the selection of depositing the roof beam place and the position setting of depositing the roof beam pedestal, need consider its spaced distance, reserve the operation between the operation in two places of polarity of being convenient for and the place in the space sufficient relatively, specifically do: the distance between the first beam storage pedestal close to the second beam storage site and the second beam storage pedestal close to the first beam storage site is more than or equal to 5 m.
When the track is laid, in order to improve the running safety of the gantry crane, the track longitudinal slope delta of the first track and the second track is less than or equal to 1%.
For the height of the beam storage pedestals, when a new beam storage site is constructed, firstly, a leveling instrument is used for accurately measuring lofting, the top surface elevation h1 of the last row of beam storage pedestals in the original beam storage site and the original ground elevation h2 of the beam storage pedestals in the new beam storage site are measured, and the height difference delta h = h 1-h 2 between h1 and h2 is calculated. And setting a new beam storage field beam storage platform seat row at a distance of 5m from the original beam storage platform seat by taking h1 as a control elevation. H1 is used as the top elevation of the beam storage platform in the new beam storage yard. The embedding depth of the beam storage pedestal base in the new beam storage site is designed according to the stress principle, the thickness and the geometric dimension of a 'movable prefabricated part' to be prefabricated are calculated, the elevation of the top surface of the movable prefabricated part is equal to h1, and when the elevation of the top surface is smaller than h1, the movable prefabricated part is required to be suitable for the hoisting range of a gantry crane in the original beam storage site and the new beam storage site. The movable prefabricated parts of the reinforced concrete with the specifications are prefabricated in the vertical mold, and connecting devices are embedded in the front side and the rear side of the connected prefabricated parts, wherein the connecting devices can be U-shaped connectors or bolt and nut structures.
The utility model provides a portable prefabricated component can be through arranging the beam stock pedestal that forms the new beam stock place side by side, and the beam stock pedestal that newly deposits the beam stock place all forms through ground foundation and the portable prefabricated component of assembly on ground foundation, also can only arrange on the beam stock pedestal that the new stock place that corresponds in the roof beam passageway that falls, and other positions form through cast-in-place.
And the shortest distance L = L1+1/2 portal width from the beam storage platform to the high slope in the high field. The medium L1 is determined according to geological conditions, such as natural soil texture terrain, stone texture terrain can be properly reduced, and L1 is more than or equal to the height difference between the high beam storage site and the low beam storage site.
The safe distance of this application mainly involves the distance between depositing roof beam platform and the side slope, avoids bumping, and L2 shortest distance as shown in the figure is: l2=1/2 gantry width +1m safety distance, L3 shortest distance: l2=1/2 gantry width +1m safety distance. The corresponding field track is provided with the limiting device, and a specially-assigned person is responsible for commanding when the high and low field gantries are in cross operation, so that the high and low gantries are prevented from colliding.
L4 is transverse safety distance between door frames, which is the same as L1, and the stone terrain can be properly reduced according to geological conditions, such as natural soil terrain. The power lines of the support portal are more at present, and the power lines are adjusted according to specific conditions during wiring, so that the power utilization safety is ensured. Site drainage is well carried out on a construction site, long-term water accumulation cannot be achieved in the staggered range of the two rails, and the bearing capacity of the foundation is prevented from being reduced.
While the preferred embodiments for carrying out the utility model have been described in detail, it should be understood that they have been presented by way of example only, and not limitation as to the scope, applicability, or configuration of the utility model in any way. The scope of the utility model is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art, which modifications are within the scope of the present invention.
Claims (8)
1. The utility model provides a portable prefabricated component solves high low field fortune roof beam and deposits roof beam system which characterized in that includes:
the beam storage system comprises a first beam storage field, wherein a plurality of rows of first beam storage pedestals supported at the lower part of a beam plate are distributed in the first beam storage field;
the beam storage system comprises a first beam storage site, a second beam storage site and a beam storage system, wherein a plurality of rows of first beam storage pedestals supported at the lower parts of beam plates are distributed in the first beam storage site;
the first gantry cranes are distributed with first rails on the first beam storage site, two groups of the first gantry cranes are arranged on the first rails in a spanning mode, and one end of each first rail extends to a second beam storage platform seat close to the first beam storage site;
the second gantry cranes are distributed with second rails on the second beam storage site, two groups of second gantry cranes are arranged on the second rails in a spanning mode, one end of each second rail extends to a first beam storage table seat close to the second beam storage site, and the first rails and the second rails are arranged in parallel; and
and the movable prefabricated part is arranged on a pedestal foundation of the first beam storage pedestal or a pedestal foundation of the second beam storage pedestal corresponding to the inverted beam channel, and the height of an upper supporting surface of the movable prefabricated part is within the lifting height range of the first gantry crane and the second gantry crane.
2. The system for transporting and storing beams in high and low fields by using the movable prefabricated parts according to claim 1, further comprising a limiting unit, wherein the limiting unit comprises a detection sensor and a limiting collision block, the limiting collision blocks are arranged on the first rail and the second rail, the detection sensors are arranged on the first gantry crane and the second gantry crane, and the detection sensors are linked with the traveling devices of the first gantry crane and the second gantry crane.
3. The system for transporting and storing beams in high and low fields by movable prefabricated parts according to claim 1, wherein each of the first gantry crane and the second gantry crane comprises a support gantry, a cross beam arranged at the top of the support gantry, and a lifting appliance arranged on the cross beam in a walking manner, walking wheels corresponding to the first rail or the second rail are arranged at the bottom of the support gantry, and a walking driving motor for driving the walking wheels to move is further arranged on the support gantry.
4. The movable prefabricated component system for transporting and storing beams in high and low fields according to claim 3, wherein a step-shaped field side slope is formed between the first beam storing field and the second beam storing field, and the distance L between the first beam storing pedestal and the second beam storing pedestal and the field side slope is more than or equal to S1+ S2, wherein S1 is the width of the supporting portal of the first gantry crane and the second gantry crane, and S2 is the height difference between the first beam storing field and the second beam storing field.
5. The system for transporting and storing beams in high and low fields by movable prefabricated parts according to claim 1, wherein one of the first beam storing field and the second beam storing field is a high beam storing field, the other one is a low beam storing field, a groove pit corresponding to a rail in the low beam storing field is formed in the high beam storing field, and a rail frame or a rail base corresponding to the rail in the high beam storing field is arranged in the low beam storing field.
6. The system for transporting and storing beams in high and low fields by using the movable prefabricated parts according to claim 1, wherein the distance between a first beam storing platform close to the second beam storing field and a second beam storing platform close to the first beam storing field is more than or equal to 5 m.
7. The movable prefabricated part solves the problem of beam storage system in high and low fields according to claim 1, wherein the longitudinal slope δ of the first rail and the second rail is less than or equal to 1%.
8. The system for transporting and storing beams in high and low fields by using the movable prefabricated parts according to claim 1, wherein connecting bolts are pre-embedded on a first beam storage pedestal or a second beam storage pedestal corresponding to the movable prefabricated parts, through holes corresponding to the connecting bolts are formed in the movable prefabricated parts, and the movable prefabricated parts are fixedly connected with the corresponding beam storage pedestals through the connecting bolts and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122641537.4U CN216266742U (en) | 2021-11-01 | 2021-11-01 | System for transporting and storing beams in high and low fields by mobile prefabricated parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122641537.4U CN216266742U (en) | 2021-11-01 | 2021-11-01 | System for transporting and storing beams in high and low fields by mobile prefabricated parts |
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|---|---|
| CN216266742U true CN216266742U (en) | 2022-04-12 |
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| CN202122641537.4U Active CN216266742U (en) | 2021-11-01 | 2021-11-01 | System for transporting and storing beams in high and low fields by mobile prefabricated parts |
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| CN (1) | CN216266742U (en) |
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