CN217517375U - Beam-loading rack and beam-loading system - Google Patents
Beam-loading rack and beam-loading system Download PDFInfo
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- CN217517375U CN217517375U CN202221750394.9U CN202221750394U CN217517375U CN 217517375 U CN217517375 U CN 217517375U CN 202221750394 U CN202221750394 U CN 202221750394U CN 217517375 U CN217517375 U CN 217517375U
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- girder
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Abstract
The utility model discloses a dress roof beam rack and dress roof beam system belongs to bridge construction technical field. The utility model provides a beam-mounting rack which comprises a rack body and cushion block units; the rack body comprises a rack surface part and more than two leg parts; the leg part is positioned below the table surface part and is vertically connected with the table surface part; the cushion block unit comprises a cushion block and a driving assembly; the cushion block is arranged on the table top part; one end of the driving component is fixedly connected with the table-board part, and the other end of the driving component is detachably connected with the cushion block; the top end of the driving assembly is lower than the top end of the cushion block; the driving assembly drives the cushion block to move along the length direction of the table face portion. The box girder is temporarily placed on the girder loading rack through the single-girder single-door type girder transporting machine and matched with the follow-up girder loading trolley to complete the girder loading of the low-position girder transporting trolley, so that the single-girder single-door type girder transporting machine can load the girder for the low-position/ultra-low-position girder transporting trolley. After the cushion block is removed through the driving assembly, the cushion block can be effectively prevented from interfering with a structure below the box girder.
Description
Technical Field
The utility model relates to a dress roof beam rack and dress roof beam system belongs to bridge construction technical field.
Background
At present, along with the continuous occurrence of the working condition of transporting the frame beam through the tunnel, a low-position beam transporting vehicle and an ultra-low-position beam transporting vehicle are put into use. However, since the height of the low-position girder transporting vehicle and the ultra-low-position girder transporting vehicle is reduced, the vehicle body needs to be lengthened (the vehicle length is generally 42-47 m) under the condition of designing the same bearing capacity, and therefore, the span (generally 37-39 m) of the single-beam single-door girder transporting machine is limited, and the low-position girder transporting vehicle or the ultra-low-position girder transporting vehicle cannot be used for loading the girder.
Under the working condition that the low-position beam transporting vehicle or the ultra-low-position beam transporting vehicle is equipped, the single-beam double-door type or double-beam double-door type beam transporting machine needs to be configured, so that the single-beam single-door type beam transporting machine of an enterprise is idle, if the requirement is met through leasing or purchasing, the enterprise construction cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough that prior art exists, provide a dress roof beam rack and dress roof beam system. The beam transporting machine transports the box beam to the beam loading rack, and then the box beam is transported to the beam transporting vehicle by the beam loading trolley; the use of the beam loading rack and the beam loading trolley is not limited by the span of the beam transporting machine and the length of the beam transporting vehicle, so that the problem that the single-beam single-door beam transporting machine cannot load beams for a low-position beam transporting vehicle or an ultra-low-position beam transporting vehicle is solved, and various beam transporting functions can be matched with various beam transporting vehicles.
A beam loading rack and a beam loading trolley are used as transfer media of a beam transporting machine and a beam transporting trolley; when the box girder is transferred to the girder transporting vehicle, the box girder needs to be lifted and separated from the girder loading rack. The box girder has huge weight, and the lifting needs huge power, and the box girder is only lifted to the degree of just separating from the girder loading rack under the common condition. In this case, the girder erection gantry easily interferes with the structure under the box girder at the back of the girder erection. And if the lifting amplitude of the box girder is increased, more power is needed, and energy waste is caused. The utility model provides a dress roof beam rack can further solve this technical problem. By adopting the beam loading rack, the beam loading rack can not interfere with the structure below the box beam only by achieving the degree of lifting away from the beam loading rack.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the beam mounting rack comprises a rack body and a cushion block unit;
the rack body comprises a rack surface part and more than two leg parts; the table surface part is configured to be in contact with the bottom surface of the box girder; the leg part is positioned below the table board part and is vertically connected to the table board part; a containing hole is formed between two adjacent leg parts; the accommodating hole is configured to accommodate a part of a travelling wheel bracket of the beaming trolley;
the cushion block unit comprises a cushion block and a driving assembly; the cushion block is placed on the table top part in a free state; the driving assembly is arranged on the table-board part, one end of the driving assembly is fixedly connected with the table-board part, and the other end of the driving assembly is detachably connected with the cushion block; the top end of the driving assembly is lower than the top end of the cushion block; the driving assembly drives the cushion block to move along the length direction of the table surface portion.
The table surface part has two ends in the length direction; the number of the cushion block units is two, and the two cushion block units are respectively positioned at two ends of the table top part and are symmetrically distributed along the width center line of the table top part; the width midline is located along the width of the mesa portion at 1/2 of the length of the mesa portion.
The drive assembly includes a pneumatic linear push rod.
The pneumatic linear push rod comprises a cylinder and a piston rod; the piston rod is detachably connected with the cushion block; the cylinder is fixed on the table-board part.
The height sum of the cushion block and the rack body is larger than the minimum height of the beam loading trolley.
And the upper surface of the cushion block is provided with a cushion pad.
The utility model also further provides a dress beam system, include: the beam loading trolley comprises a beam loading trolley, a track unit and the beam loading rack;
the rail unit includes a rail; the track is arranged on the ground base body, and one end of the track extends out of the beam-mounting rack through the accommodating hole; and the number of the first and second groups,
the beam loading trolley comprises a wheel part, a support, an upper cross beam and a jacking mechanism; the jacking mechanism is positioned above the upper cross beam, the support is arranged below the upper cross beam and positioned at two ends of the upper cross beam, the upper end of the support is connected with the upper cross beam, and the lower end of the support is connected with the wheel part; the beam loading trolley moves along the track through the wheel part.
The number of the track units is at least two, and the number of the beam loading trolleys is at least two; and at least two girder loading trolleys are correspondingly matched and connected with at least two groups of track units one by one.
The maximum distance between the top beam point between the cushion block and the box beam and the beam end is 3 m.
The utility model has the advantages that:
the utility model provides a dress roof beam rack, simple structure is reasonable, preparation low cost. The beam is temporarily placed on the beam loading rack through the single-beam single-door beam transporting machine, and the beam loading of the low-position beam transporting vehicle is completed by matching with the follow-up beam loading trolley, so that the beam loading of the low-position/ultra-low-position beam transporting vehicle by the single-beam single-door beam transporting machine is realized, the reutilization of the single-beam single-door beam transporting machine is realized, and the construction cost of enterprises is greatly reduced. After the cushion block is removed through the driving assembly, the back stroke of the beam can be effectively prevented, and the cushion block interferes with a structure below the box beam.
Drawings
Fig. 1 is a schematic structural diagram of a beam mounting rack provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of the beam-loading rack provided by the embodiment of the present invention after the box beam is placed;
fig. 3 is a schematic structural view of a beam loading trolley provided by the embodiment of the invention;
fig. 4 is a schematic structural diagram of a beam mounting system according to an embodiment of the present invention;
in the figure: 1. the beam-mounting trolley comprises a beam-mounting rack, 11 a rack body, 111 a platform surface part, 112 supporting legs, 113 accommodating holes, 121 cushion blocks, 122 driving components, 2 box beams, 3 beam-mounting trolleys, 31 travelling wheel brackets and 4 ground substrates.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, 2 and 3, the beam-mounting rack 1 comprises a rack body 11 and a cushion block 121 unit; wherein, the stand body 11 comprises a table surface part 111 and more than two leg parts 112; the leg part 112 is positioned below the table surface part 111 and vertically connected to the table surface part 111; a containing hole 113 is formed between two adjacent leg parts 112; the accommodating hole 113 is used for accommodating a part of the travelling wheel bracket 31 of the beam-mounting trolley 3; in the use state, the table top part 111 is contacted with the bottom surface of the box girder 2; the cushion block 121 unit comprises a cushion block 121 and a driving assembly 122; the cushion block 121 is placed on the table top portion 111 in a free state; the driving assembly 122 is disposed on the table surface portion 111; one end of the driving assembly 122 is fixedly connected with the table portion 111, and the other end of the driving assembly 122 is detachably connected with the cushion block 121; the top end of the driving component 122 is lower than the top end of the cushion block 121; the driving assembly 122 drives the cushion block 121 to move along the length direction of the table portion 111.
The driving assembly 122 is configured to drive the pad block 121 to switch between a first state and a second state, where at least a portion of the pad block 121 is located between the table surface portion 111 and the box girder 2 in the first state, so that the pad block 121 supports the box girder 2; the whole of the spacer block 121 is located outside the box girder 2 in the second state. The spacers 121 can be removed from between the table top 111 and the box girder 2 in order to prevent the spacers 121 from interfering with the structure under the box girder 2 in the back stroke of the girder installation.
It can be understood that, in practical applications, the cushion block 121 provided in this embodiment may be a single block; if a block 121 is used, the block 121 needs to be relatively large in size, so that the block 121 is heavier and is not easy to remove. In order to solve this problem, in the embodiment of the present application, more than two spacers 121 may be adopted; correspondingly, the number of the cushion blocks 121 is more than two. Specifically, two sets of cushion blocks 121 units may be adopted; the two groups of cushion blocks 121 are respectively positioned at two ends of the table top part 111 and are symmetrically distributed by the width central line of the table top part 111; the two ends of the mesa section 111 are the two ends of the mesa section 111 in the longitudinal direction, and the width centerline is located 1/2 of the length of the mesa section 111 along the width direction of the mesa section 111. Adopt two cushion blocks 121 can satisfy the atress requirement of supporting box roof beam 2, can guarantee that the weight of every cushion block 121 is littleer simultaneously, be favorable to removing it and operate. The two groups of cushion blocks 121 comprise two driving assemblies 122 and two cushion blocks 121; the two driving assemblies 122 drive the two cushion blocks 121 to separate from each other and move to the two sides of the box girder 2, so that the distance between the bottom surface of the box girder 2 and the table top part 111 is increased, and the switching from the first state to the second state is realized; the two driving assemblies 122 drive the two cushion blocks 121 to approach each other and move to the lower side of the box girder 2, so that the distance between the bottom surface of the box girder 2 and the table top part 111 is reduced, and the switching from the second state to the first state is realized.
The cushion block 121 provided by the present embodiment is switched between the first state and the second state by the driving assembly 122. In an implementation manner using the two cushion blocks 121, the two cushion blocks 121 may be switched between two states by linear reciprocating motion, and therefore, the driving assembly 122 may be any structure that can implement the linear reciprocating motion of the driving cushion block 121. For example, in one implementation, the drive assembly 122 that may be provided by embodiments of the present application includes a pneumatic linear push rod. The pneumatic linear push rod comprises a cylinder and a piston rod; the piston rod is detachably connected with the cushion block 121; the cylinder is fixed to the table portion 111. Pneumatic straight line push rod adopts compressed gas as the power source, can realize the linear motion drive to cushion 121 through cylinder cooperation piston rod, adopts pneumatic drive mode to have the accurate and reaction fast advantage of control stroke.
In practical applications, the piston rod of the pneumatic linear push rod may be connected to the cushion block 121 in various ways, for example, in one implementation, the piston rod of the pneumatic linear push rod may be connected to the cushion block 121 through a hook in the embodiment of the present application. The form of adopting the couple can realize dismantling of piston rod and cushion 121 and link to each other, guarantees when the cylinder needs operations such as maintenance, can realize piston rod and cushion 121's quick separation and equipment.
In order to ensure that the girder loading trolley 3 does not interfere with the bottom of the box girder 2 when the girder loading is not needed, the embodiment of the application can also provide that the sum of the heights of the cushion blocks 121 and the rack body 11 is greater than the minimum height of the girder loading trolley 3. The mode can ensure that the beam loading trolley 3 cannot bear force after the box beam 2 is placed on the table top part 111. When the beam is required to be loaded, the box beam 2 is upwards jacked by the jacking mechanism of the beam loading trolley 3, so that the box beam 2 is separated from the cushion block 121, and the cushion block 121 can be pushed out from between the box beam 2 and the table board part 111 through the driving assembly 122.
In order to further prolong the service life of the cushion block 121 and prevent the box girder 2 from being damaged, the embodiment of the present application may further provide that the upper surface of the cushion block 121 is provided with a cushion pad (not shown in the figure).
As shown in fig. 4, the present embodiment may also provide a girder installation system, which includes a rail unit (not shown), a girder installation platform 1 and the girder installation platform 1; the rail unit includes a rail; the track is arranged on the ground substrate, and one end of the track extends out of the beam-mounting rack 1 through the containing hole 113 at the bottom of the beam-mounting rack 1; the beam loading trolley 3 comprises a trolley part, a bracket, an upper cross beam and a jacking mechanism; the jacking mechanism is positioned above the upper cross beam, the support is arranged below the upper cross beam and positioned at two ends of the upper cross beam, the upper end of the support is connected with the upper cross beam, and the lower end of the support is connected with the wheel part; the beam loading trolley 3 moves along the track through the trolley wheel part. Wherein the wheel part and the support together form a travelling wheel support 31.
The driving assembly 122 drives the cushion block 121 to make the cushion block 121 on the girder erection gantry 1 in the first state. And (4) descending the jacking mechanism on the beam loading trolley 3 to enable the jacking mechanism to be in a low position state. The carrying beam machine places the box beam 2 on the beam loading rack 1 and the beam loading trolley 3, and the cushion block 121 on the beam loading rack 1 supports the box beam 2. When the box girder 2 needs to be transferred to the girder transporting vehicle, the girder loading trolley 3 moves to a preset position along the rail, and a jacking mechanism of the girder loading trolley 3 ascends to support one end of the box girder 2, so that the box girder 2 is separated from the cushion block 121 of the girder loading rack 1; the driving assembly 122 drives the cushion blocks 121 to enable the cushion blocks 121 to be in the second state, and the box girder 2 starts to be transferred to the girder transporting vehicle. At this time, the top end of the driving assembly 122 is lower than the top end of the cushion block 121. The space between the bottom surface of the box girder 2 and the driving unit 122 when the spacers 121 are moved to the second state is larger than the space between the bottom surface of the box girder 2 and the spacers 121 when the spacers 121 are positioned in the first state, and therefore, the girder erection gantry 1 does not interfere with the structure under the box girder 2.
In order to ensure that the movement is more stable in the process of beam loading, the embodiment of the application can also provide that the beam loading rack 1 comprises at least two accommodating holes 113, the track units comprise at least two groups, the beam loading trolley 3 comprises at least two, and the beam loading trolley 3 corresponds to the track units in a one-to-one manner and is connected with the track units in a matched manner.
The distance between the two sets of beam assembling rack 1 supports can be determined according to the length of the box girder 2, and specifically, the maximum distance between the top beam point and the girder end between the cushion block 121 and the box girder 2 is 3 meters. Due to the large weight of the box girder 2 itself, it is determined according to the general design requirements of the box girder 2 that the top girder point should be kept within the girder end 3 m.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the invention, and those skilled in the art should understand that various modifications or variations can be made without inventive efforts by those skilled in the art based on the technical solutions of the present invention.
Claims (9)
1. Dress roof beam rack, its characterized in that includes:
the rack body comprises a bench surface part and more than two leg parts; the table surface part is configured to be in contact with the bottom surface of the box girder; the leg part is positioned below the table board part and is vertically connected to the table board part; a containing hole is formed between two adjacent leg parts; the containing hole is configured to contain a part of a walking wheel bracket of the beam loading trolley; and the number of the first and second groups,
the cushion block unit comprises a cushion block and a driving assembly; the cushion block is placed on the table top part in a free state; the driving assembly is arranged on the table-board part, one end of the driving assembly is fixedly connected with the table-board part, and the other end of the driving assembly is detachably connected with the cushion block; the top end of the driving assembly is lower than the top end of the cushion block; the driving assembly drives the cushion block to move along the length direction of the table face portion.
2. A gantry according to claim 1, wherein the table portion has two ends in its length direction; the number of the cushion block units is two, and the two cushion block units are respectively positioned at two ends of the table top part and are symmetrically distributed along the width center line of the table top part; the width midline is located along the width of the mesa portion at 1/2 of the length of the mesa portion.
3. The gantry of claim 2, wherein the drive assembly comprises a pneumatic linear push rod.
4. The gantry of claim 3, wherein the pneumatic linear push rod comprises a cylinder and a piston rod; the piston rod is detachably connected with the cushion block; the cylinder is fixed on the table-board part.
5. A beaming gantry as in claim 1 wherein the sum of the heights of the head blocks and the gantry body is greater than the minimum height of the beaming gantry.
6. A gantry according to claim 1 in which the upper surface of the spacer is provided with a cushion.
7. A beaming system, comprising:
the beaming gantry of any one of claims 1 to 6;
a rail unit including a rail; the track is arranged on the ground base body, and one end of the track extends out of the beam-mounting rack through the accommodating hole; and the number of the first and second groups,
the beam loading trolley comprises a wheel part, a bracket, an upper cross beam and a jacking mechanism; the jacking mechanism is positioned above the upper cross beam, the support is arranged below the upper cross beam and positioned at two ends of the upper cross beam, the upper end of the support is connected with the upper cross beam, and the lower end of the support is connected with the wheel part; the beam loading trolley moves along the track through the wheel part.
8. The beaming system of claim 7, wherein the number of track units is at least two, and the number of beaming trolleys is at least two; and at least two girder-loading trolleys are correspondingly matched and connected with at least two groups of track units one by one.
9. A girder erection system according to claim 7 or 8 wherein the maximum distance between the top beam point and the beam end between the head blocks and the box girder is 3 metres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221750394.9U CN217517375U (en) | 2022-07-08 | 2022-07-08 | Beam-loading rack and beam-loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221750394.9U CN217517375U (en) | 2022-07-08 | 2022-07-08 | Beam-loading rack and beam-loading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217517375U true CN217517375U (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221750394.9U Active CN217517375U (en) | 2022-07-08 | 2022-07-08 | Beam-loading rack and beam-loading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217517375U (en) |
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2022
- 2022-07-08 CN CN202221750394.9U patent/CN217517375U/en active Active
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