CN210975861U - Prefabricated bed-jig of deep basal pit structure roof beam framework of steel reinforcement - Google Patents
Prefabricated bed-jig of deep basal pit structure roof beam framework of steel reinforcement Download PDFInfo
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- CN210975861U CN210975861U CN201921716323.5U CN201921716323U CN210975861U CN 210975861 U CN210975861 U CN 210975861U CN 201921716323 U CN201921716323 U CN 201921716323U CN 210975861 U CN210975861 U CN 210975861U
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Abstract
The utility model discloses a deep foundation pit structural beam steel reinforcement framework prefabricated jig frame, which comprises a jig frame main body, wherein the top of the jig frame main body is provided with an operating platform, and the deep foundation pit structural beam steel reinforcement framework prefabricated jig frame also comprises an automatic lifting feeding device used for conveying materials onto the operating platform, and a plurality of groups of adjusting and positioning fixtures used for adjusting the size of structural beam steel reinforcements; the adjusting and positioning fixture comprises a lower fixture fixedly arranged on the ground and an upper fixture positioned above the lower fixture, and the upper fixture is detachably connected with the jig frame main body; and the top surfaces of the lower-layer fixture and the upper-layer fixture are clamped with main rib spacing positioning fixtures. Through the utility model provides a prefabricated bed-jig of deep basal pit structure roof beam framework of steel reinforcement can not occupy thread construction period in subaerial subsection prefabricated structure roof beam framework of steel reinforcement in advance, realizes that deep basal pit structure roof beam reinforcing bar is under construction fast. Meanwhile, the installation precision is improved, the operation difficulty is reduced, the problem that the downward-turning groove of the bottom plate is widened and excavated in the traditional process, concrete waste is caused, and the cost is saved.
Description
Technical Field
The utility model belongs to the technical field of the construction of structural beam reinforcing bar, concretely relates to prefabricated bed-jig of deep basal pit structural beam framework of steel reinforcement.
Background
The traditional deep foundation pit structural beam steel bar construction method is that after a bottom plate cushion layer and waterproof construction, on-site binding operation is directly carried out at the bottom of a pit, temporary supports need to be erected, a manual operation space is reserved, and then steel bars are bound, beams fall, adjustment, alignment connection and the like. Influenced by an enclosure structure and an inner support system, the operation space in a pit is limited, and the traditional construction method has the following defects: firstly, the steel bar needs to be installed after the waterproof protective layer reaches certain strength; secondly, the on-site steel bar installation is influenced by cross construction among the working procedures, the steel bars of the bottom plate part need to be carried out after the steel bars of the beam body are installed, the working procedure time is long, the concrete pouring of the bottom plate cannot be completed quickly, the exposure time of the foundation pit is prolonged, and potential safety hazards are increased; thirdly, the installation quality of the steel bars on site is low, and the precision of the steel bar spacing, the protection layer, the steel bar connection and the like is difficult to control; fourthly, in order to meet the requirement of the installation operation space of the bottom plate downward turning beam reinforcing steel bars, the trench excavation needs to be widened, and concrete waste is caused.
Disclosure of Invention
For solving the problem in the above-mentioned background art, the utility model aims at providing a deep basal pit structure roof beam framework of steel reinforcement prefabricated bed-jig does not occupy thread construction period, realizes deep basal pit structure roof beam reinforcing bar and is under construction fast through prefabricated bed-jig at subaerial segmental prefabricated structure roof beam framework in advance.
In order to achieve the above object, the utility model adopts the following technical scheme:
a deep foundation pit structural beam steel reinforcement framework prefabricating jig comprises a jig main body, wherein an operating platform is installed at the top of the jig main body, and the deep foundation pit structural beam steel reinforcement framework prefabricating jig further comprises an automatic lifting feeding device used for conveying materials to the operating platform, and a plurality of groups of adjusting and positioning fixtures used for adjusting the size of structural beam steel reinforcements; the adjusting and positioning fixture comprises a lower fixture fixedly arranged on the ground and an upper fixture positioned above the lower fixture, and the upper fixture is detachably connected with the jig frame main body; and the top surfaces of the lower-layer fixture and the upper-layer fixture are clamped with main rib spacing positioning fixtures.
In a further scheme, the automatic lifting feeding device comprises a driving motor, a driving shaft, at least two groups of chain wheel sets and a transmission chain; wherein: an output shaft of the driving motor is in transmission connection with a driving shaft through a driving chain; two ends of the driving shaft are rotatably connected with the jig frame main body; the chain wheel set comprises a driving chain wheel fixedly arranged on the driving shaft and a driven chain wheel fixedly arranged at the top of the jig frame main body; the driving chain wheel is meshed with the driven chain wheel through a transmission chain; and the transmission chain is fixedly connected with a hook. Can realize the automatic feeding of reinforcing bar through automatic lifting loading attachment, improve the efficiency of construction.
Further preferably, the sprocket sets are three sets.
In a further scheme, the lower-layer fixture comprises an underframe, supporting frames with adjustable heights are symmetrically arranged on the top of the underframe perpendicular to the underframe, and connecting frames are fixedly connected to the tops of the supporting frames; the connecting frame is clamped with the main rib spacing positioning fixture through a fixture buckle. In the construction process, the main reinforcement spacing positioning fixture is adapted to different beam widths and beam lengths through replacement and adjustment, and the height of the supporting frame is adjusted to different beam heights, so that main reinforcements, stirrups and constructional reinforcements can be accurately positioned, and the quality of the prefabricated reinforcement framework is ensured to be qualified.
In a further scheme, the support frame comprises a lower support frame and an upper support frame which are sleeved and connected; the lower support frame is of a hollow structure, a first positioning hole is formed in the length direction of the lower support frame, and a second positioning hole matched with the first positioning hole is formed in the length direction of the upper support frame; the first positioning hole and the second positioning hole are connected through an adjusting bolt. Further preferably, a reinforcing rod is mounted on the upper portion of the support frame. The stability of the support frame can be enhanced through the reinforcing rods, so that the lower-layer fixture is firmer.
In a further scheme, bolt holes are formed in two ends of the upper-layer fixture, and bolts penetrate through the bolt holes; the upper-layer fixture is detachably connected with the jig frame main body through a bolt.
Further scheme, safe cat ladder is installed to the week side of bed-jig main part, and safe cat ladder is the personnel passageway from top to bottom, the construction of being convenient for.
Further, the protection plate is installed on the periphery of the top surface of the operation platform. Through the side installation guard plate in operation platform's top surface week, can prevent the emergence of unexpected condition, improve constructor's personal safety.
Compared with the prior art, the beneficial effects of the utility model are as follows:
through the utility model provides a prefabricated bed-jig of deep basal pit structure roof beam framework of steel reinforcement can not occupy thread construction period in advance at subaerial segmental prefabricated structure roof beam framework of steel reinforcement, realizes that deep basal pit structure roof beam framework of steel reinforcement is under construction fast. Meanwhile, the installation precision is improved, the operation difficulty is reduced, the problem that the downward-turning groove of the bottom plate is widened and excavated in the traditional process, concrete waste is caused, and the cost is saved.
Drawings
Fig. 1 is a front view of the deep foundation pit structural beam steel reinforcement framework prefabricated jig frame of the utility model;
fig. 2 is a left side view of the deep foundation pit structural beam steel reinforcement framework prefabricated jig frame of the utility model;
FIG. 3 is a schematic structural view of the automatic lifting loading device;
FIG. 4 is a schematic view of a connection structure of a transmission chain and a hook;
FIG. 5 is a schematic view of the structure of the lower clamp;
FIG. 6 is a schematic view of the upper clamp;
reference numerals: 1-jig main body, 2-operation platform, 3-automatic lifting feeding device, 4-lower-layer fixture, 401-underframe, 402-connecting frame, 403-fixture buckle, 404-lower support frame, 405-upper support frame, 406-first positioning hole, 407-second positioning hole, 408-adjusting bolt, 409-reinforcing rod, 5-upper-layer fixture, 501-bolt hole, 502-bolt, 6-main rib spacing positioning fixture, 7-driving motor, 8-driving shaft, 9-transmission chain, 11-driving chain wheel, 12-driven chain wheel, 13-driving chain, 14-hook, 15-safety ladder and 16-protection plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-2, a deep foundation pit structural beam steel reinforcement framework prefabricated jig comprises a jig main body 1, wherein an operating platform 2 is installed at the top of the jig main body 1, and the deep foundation pit structural beam steel reinforcement framework prefabricated jig further comprises an automatic lifting and feeding device 3 for conveying materials onto the operating platform, and a plurality of groups of adjusting and positioning fixtures for adjusting the size of a structural beam steel reinforcement; the adjusting and positioning fixture comprises a lower-layer fixture 4 fixedly arranged on the ground and an upper-layer fixture 5 positioned above the lower-layer fixture 4, and the upper-layer fixture 5 is detachably connected with the jig frame main body 1; and the top surfaces of the lower-layer fixture 4 and the upper-layer fixture 5 are clamped with main rib spacing positioning fixtures 6. As an embodiment, as shown in fig. 6, two ends of the upper fixture 5 are provided with pin holes 501, and pins 502 penetrate through the pin holes 501; the upper fixture 5 is detachably connected with the jig frame body 1 through a bolt 502. A protection plate 16 is installed on the top surface peripheral side of the operation platform 2. Through installing guard plate 16 in operation platform 1's top surface week side, can prevent the emergence of unexpected condition, improve constructor's personal safety. The safety ladder stands 15 are installed on the periphery of the jig frame main body 1 and are used as personnel up-and-down channels, and construction is facilitated.
As shown in fig. 3-4, the automatic lifting and feeding device 3 comprises a driving motor 7, a driving shaft 8, three sets of chain wheel sets and a transmission chain 9; wherein: an output shaft of the driving motor 7 is in transmission connection with a driving shaft 8 through a driving chain 14; two ends of the driving shaft 8 are rotatably connected with the jig frame main body 1; the chain wheel set comprises a driving chain wheel 11 fixedly arranged on the driving shaft 8 and a driven chain wheel 12 fixedly arranged on the top of the jig frame main body 1; the driving chain wheel 11 is meshed with the driven chain wheel 12 through the transmission chain 9; a hook 14 is fixedly connected to the transmission chain 9. The material is transported to the operation platform by the automatic lifting and loading device 3.
As shown in fig. 5 to 6, the lower fixture 4 includes a bottom frame 401, wherein a support frame with adjustable height is symmetrically installed on the top of the bottom frame 401 perpendicular to the bottom frame 401, and a connecting frame 402 is fixedly connected to the top of the support frame; the connecting frame 402 is clamped with the main rib spacing positioning clamp 6 through a clamp buckle 403. The support frame comprises a lower support frame 404 and an upper support frame 405 which are sleeved and connected; the lower support frame 404 is a hollow structure, and is provided with a first positioning hole 406 along the length direction thereof, and the upper support frame 405 is provided with a second positioning hole 407 along the length direction thereof, wherein the second positioning hole 407 is matched with the first positioning hole 406; the first positioning hole 406 and the second positioning hole 407 are connected by an adjusting bolt 408. Further preferably, a reinforcing rod 409 is installed on the upper portion of the upper support frame 405. The stability of support frame can be strengthened through stiffener 409, makes lower floor's fixture more firm. In the construction process, the main reinforcement interval positioning fixture 6 is adapted to different beam widths and beam lengths through replacement and adjustment, and the height of the support frame is adjusted to different beam heights, so that main reinforcements, stirrups and constructional reinforcements can be accurately positioned, and the quality of the prefabricated reinforcement framework is ensured to be qualified.
Before operation, an operator needs to perform comprehensive inspection on the jig frame, and manually assists to place the reinforcing steel bars at the position of the hook 14 of the transmission chain 9; then starting a driving motor 7, driving the driving motor 7 to drive a driving shaft 8 to rotate, driving the driving shaft 8 to drive a chain wheel set to act, further driving a transmission chain 9 to rotate, driving a hook 14 to move, further conveying the reinforcing steel bars to the operation platform 2 on the top surface of the jig frame, and after automatic unloading, manually lifting and placing the reinforcing steel bars to move into an adjusting and positioning clamp; and repeatedly finishing the steel bar feeding process until the requirement of the number of the prefabricated segment steel bars is met. And after the reinforcing steel bars of the reinforcement cage are fed, closing the driving motor and stopping feeding. Binding and forming a steel bar framework (a steel bar cage) on the jig, pulling out the bolts 502 at two ends of the upper fixture 5 after the binding is finished, and hanging the steel bar cage out to the storage platform after the steel bar cage is freely placed. And then repeating the steps to prefabricate the next section of reinforcement cage. After the reinforcement cage is prefabricated, the scattered materials of the jig frame and applicable tools are cleaned. And (5) turning off the power supply, and taking measures of preventing rain by a motor and a switch so that people can leave.
Claims (9)
1. The utility model provides a prefabricated bed-jig of deep basal pit structure roof beam framework of steel reinforcement, includes the bed-jig main part, operation platform, its characterized in that are installed to the top of bed-jig main part: the automatic lifting and feeding device is used for conveying materials to the operating platform, and a plurality of groups of adjusting and positioning fixtures are used for adjusting the size of the reinforcing steel bars of the structural beam; the adjusting and positioning fixture comprises a lower fixture fixedly arranged on the ground and an upper fixture positioned above the lower fixture, and the upper fixture is detachably connected with the jig frame main body; and the top surfaces of the lower-layer fixture and the upper-layer fixture are clamped with main rib spacing positioning fixtures.
2. The deep foundation pit structural beam steel reinforcement framework prefabricating jig frame of claim 1, characterized in that: the automatic lifting and feeding device comprises a driving motor, a driving shaft, at least two groups of chain wheel sets and a transmission chain; wherein:
an output shaft of the driving motor is in transmission connection with a driving shaft through a driving chain;
two ends of the driving shaft are rotatably connected with the jig frame main body;
the chain wheel set comprises a driving chain wheel fixedly arranged on the driving shaft and a driven chain wheel fixedly arranged at the top of the jig frame main body; the driving chain wheel is meshed with the driven chain wheel through a transmission chain;
and the transmission chain is fixedly connected with a hook.
3. The deep foundation pit structural beam steel reinforcement framework prefabricating jig frame of claim 2, characterized in that: the chain wheel sets are three sets.
4. The deep foundation pit structural beam steel reinforcement framework prefabricating jig frame of claim 1, characterized in that: the lower-layer fixture comprises an underframe, support frames with adjustable heights are symmetrically arranged on the top of the underframe perpendicular to the underframe, and a connecting frame is fixedly connected to the tops of the support frames; the connecting frame is clamped with the main rib spacing positioning fixture through a fixture buckle.
5. The deep foundation pit structural beam steel reinforcement framework prefabricating jig frame of claim 4, characterized in that: the support frame comprises a lower support frame and an upper support frame which are sleeved and connected; the lower support frame is of a hollow structure, a first positioning hole is formed in the length direction of the lower support frame, and a second positioning hole matched with the first positioning hole is formed in the length direction of the upper support frame; the first positioning hole and the second positioning hole are connected through an adjusting bolt.
6. The deep foundation pit structural beam steel reinforcement framework prefabricating jig frame of claim 4, characterized in that: and a reinforcing rod is arranged at the upper part of the supporting frame.
7. The deep foundation pit structural beam steel reinforcement framework prefabricating jig frame of claim 1, characterized in that: bolt holes are formed in the two ends of the upper-layer fixture, and bolts penetrate through the bolt holes; the upper-layer fixture is detachably connected with the jig frame main body through a bolt.
8. The deep foundation pit structural beam steel reinforcement framework prefabricating jig frame of claim 1, characterized in that: safe crawling ladders are installed on the periphery of the jig frame main body.
9. The deep foundation pit structural beam steel reinforcement framework prefabricating jig frame of claim 1, characterized in that: and a protection plate is arranged on the periphery of the top surface of the operating platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716323.5U CN210975861U (en) | 2019-10-14 | 2019-10-14 | Prefabricated bed-jig of deep basal pit structure roof beam framework of steel reinforcement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716323.5U CN210975861U (en) | 2019-10-14 | 2019-10-14 | Prefabricated bed-jig of deep basal pit structure roof beam framework of steel reinforcement |
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| CN210975861U true CN210975861U (en) | 2020-07-10 |
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| CN201921716323.5U Active CN210975861U (en) | 2019-10-14 | 2019-10-14 | Prefabricated bed-jig of deep basal pit structure roof beam framework of steel reinforcement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536910A (en) * | 2020-11-25 | 2021-03-23 | 中铁一局集团有限公司 | Manufacturing method of prefabricated part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536910A (en) * | 2020-11-25 | 2021-03-23 | 中铁一局集团有限公司 | Manufacturing method of prefabricated part |
| CN112536910B (en) * | 2020-11-25 | 2021-11-26 | 中铁一局集团有限公司 | Manufacturing method of prefabricated part |
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