CN215800956U - Positioning device for improving combination precision of bearing platform steel bars and prefabricated pier column grouting sleeve - Google Patents
Positioning device for improving combination precision of bearing platform steel bars and prefabricated pier column grouting sleeve Download PDFInfo
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- CN215800956U CN215800956U CN202122029825.4U CN202122029825U CN215800956U CN 215800956 U CN215800956 U CN 215800956U CN 202122029825 U CN202122029825 U CN 202122029825U CN 215800956 U CN215800956 U CN 215800956U
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Abstract
The utility model relates to a positioning device for improving the combination precision of a bearing platform steel bar and a prefabricated pier column grouting sleeve, which comprises a span component and two groups of steel bar positioning tools; the span assembly comprises a mid-span component and two side-span components; one side span component is detachably connected above a group of steel bar positioning tools, and the middle span component is detachably connected between the two side span components; the mid-span component and the two side-span components form a structure shaped like a Chinese character 'ji', and the middle raised part spans the foundation pit. According to the utility model, the span component and the steel bar positioning tool are combined to realize accurate positioning and fixed installation between the main steel bars of the bearing platforms on two sides and the prefabricated pier column grouting sleeve. The utility model belongs to the field of assembled bridges.
Description
Technical Field
The utility model relates to the field of assembled bridges, in particular to a positioning device for improving the combination precision of a bearing platform steel bar and a prefabricated pier column grouting sleeve.
Background
In the construction of a prefabricated bridge, bearing platforms are positioned on two sides of a foundation pit, and bearing platform steel bars extend out of the bearing platforms; prefabricated pier stud of installation on the cushion cap, prefabricated pier stud lower extreme sets up grout sleeve, realizes the location and the installation of cushion cap and prefabricated pier stud through cushion cap reinforcing bar and grout sleeve's cooperation. Therefore, the position accuracy of the bearing platform steel bar determines the position accuracy of the prefabricated pier stud.
In the prior art, a steel bar positioning tool also exists, however, the steel bar positioning tool is sleeved on a circle of bearing platform steel bars, and the position of the bearing platform steel bars cannot be finely adjusted. The alignment of the prefabricated pier columns on the two sides is also dependent on experience and measurement, however, if the prefabricated pier columns on the two sides cannot be matched in a coordinated mode, the installation of the beam above the prefabricated pier columns can be influenced. The device for accurately positioning the reinforcing steel bars of the bearing platforms on the two sides to guarantee the accurate matching of the positions of the prefabricated pier columns on the two sides does not exist in the prior art, so that the installation cost of the prefabricated pier columns is increased, the additional construction time is increased, and the construction progress can be influenced in serious cases.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model aims to: the utility model provides a improve bearing platform reinforcing bar and prefabricated pier stud grout sleeve combination precision's of accurate positioning to foundation ditch both sides bearing platform reinforcing bar simultaneously positioner.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a positioning device for improving the combination precision of a bearing platform steel bar and a prefabricated pier column grouting sleeve comprises a span component and two groups of steel bar positioning tools; the span assembly comprises a mid-span component and two side-span components; one side span component is detachably connected above a group of steel bar positioning tools, and the middle span component is detachably connected between the two side span components; the mid-span component and the two side-span components form a structure shaped like a Chinese character 'ji', and the middle raised part spans the foundation pit. After the structure is adopted, the positioning device can cross over a foundation pit construction area to perform positioning operation on the two bearing platforms through a middle uplifting structure consisting of the mid-span component and the side-span component; simultaneously, the reinforcing steel bars of the bearing platforms on the two sides are accurately positioned through the reinforcing steel bar positioning tool.
Preferably, the left edge and the right edge of the mid-span component are both provided with side-span connecting components, and each side-span connecting component comprises a connecting steel plate which is vertically arranged; the inner side of the connecting steel plate is connected with the mid-span component, the outer side of the connecting steel plate is detachably connected with the side-span component, and the joint of the connecting steel plate and the mid-span component is higher than the joint of the connecting steel plate and the side-span component to form a raised part. After the structure is adopted, the structure which is formed by the mid-span component and the side-span component and is used for lifting two sides and stretching horizontally can cross over the foundation pit construction area to carry out positioning operation on two bearing platforms.
Preferably, the mid-span component comprises mid-span frame rods and mid-span connecting rods, the mid-span frame rods are distributed along the left and right direction, a plurality of mid-span connecting rods are arranged between at least two front and rear mid-span frame rods, and the side-span connecting components are arranged on the left side and the right side of the mid-span frame rods; the side striding component comprises side striding frame rods and side striding connecting rods, the side striding frame rods are distributed along the left-right direction, a plurality of midspan connecting rods are arranged between at least two front and back side striding frame rods, and the side striding connecting components are connected at the end parts of the side striding frame rods. After the structure is adopted, the frame structure of the midspan part and the side-span part is formed by the plurality of rod pieces, the weight of the part is lightened while the strength of the part is ensured, and the required range of the bearing capacity of the required crane is expanded.
Preferably, a plurality of groups of side span connecting bolt holes are arranged on the connecting steel plate from high to low, each group of side span connecting bolt holes correspond to the mounting position of one side span component, and the end part of the side span connecting rod is mounted on the connecting steel plate through a bolt. After adopting this kind of structure, the side span part can be fixed on the different positions of connecting the steel sheet through upper and lower multiunit side span connecting bolt hole to change the relative difference in height between midspan part and the side span part, thereby improve the application scope of this device.
Preferably, the mid-span frame rod comprises a mid-span frame rod hanging ring, a plurality of the mid-span frame rod hanging rings are vertically arranged at the upper part of the mid-span frame rod, and a mid-span part reinforcing rib is arranged at the joint of the mid-span frame rod and the middle frame connecting rod; the side-span frame rod comprises side-span frame rod hanging rings, a plurality of side-span frame rod hanging rings are vertically arranged on the upper portion of the side-span frame rod, and a frame part reinforcing rib is arranged at the joint of the side-span frame rod and the frame connecting rod. After adopting this kind of structure, this device can be hoisted more stably and conveniently through a plurality of rings that distribute in each part of device to the hoist to realize the accurate location of two pier stud.
Preferably, the steel bar positioning tool comprises an end plate, a steel bar adjusting bolt and a bolt mounting piece, wherein the bolt mounting piece is fixedly connected with the end plate, and the head of the steel bar adjusting bolt is screwed in and penetrates out of the bolt mounting piece; a circle of holes for the main ribs of the bearing platform to pass through are formed in the end plate, and the inner diameter of each hole is larger than the outer diameter of each main rib of the bearing platform; each hole all corresponds and sets up a plurality of steel bar adjusting bolts who encircles the hole, and steel bar adjusting bolt's head top is in the lateral wall of the cushion cap owner muscle that passes the hole. After adopting this kind of structure, fixed main muscle one end and carry out the position fine setting to main muscle through reinforcing bar location frock, main muscle passes the hole of end plate after, the reinforcing bar adjusting bolt through a plurality of directions makes main muscle fixed in required position to the extrusion of main muscle lateral wall to improve the positioning accuracy of main muscle.
Preferably, three steel bar adjusting bolts are correspondingly arranged in each hole, and are uniformly distributed around the hole; the bolt mounting piece comprises a coaming and a steel bar adjusting angle steel, and the coaming and the steel bar adjusting angle steel are both arranged perpendicular to the end plate; the coaming is annularly arranged at the outer side of the circle of holes, and the steel bar adjusting bolts with the same number as the holes are arranged on the coaming; the same reinforcing bar adjustment angle steel with hole quantity sets up the inboard in the hole, all installs two reinforcing bar adjusting bolt on every reinforcing bar adjustment angle steel. After the structure is adopted, the main reinforcement can be adjusted in a wider range through the three reinforcing steel bar adjusting bolts uniformly distributed around the circumference of the main reinforcement, and meanwhile, the adjusting precision of the main reinforcement can also be increased; meanwhile, the steel bar adjusting bolts can be well limited and fixed on the coaming and the angle steel, and the condition that the steel bar adjusting bolts are loosened and fall off cannot occur.
Preferably, the end plate is a hollow annular structure; the steel bar positioning tool further comprises a plurality of end plate reinforcing ribs, the end plate reinforcing ribs are evenly distributed on the outer side of the enclosing plate, and the end plate reinforcing ribs are fixedly connected with the enclosing plate and the end plate. After adopting this kind of structure, operating personnel can be more convenient carry out the fine setting operation to the owner muscle.
Preferably, the end plate is provided with a circle of bolt holes, the bolt holes are formed in the inner side of the enclosing plate, the lower portion of the side span component is correspondingly provided with a circle of bolt holes, and the end plate and the side span component are connected through a circle of bolts penetrating through the bolt holes. After adopting this kind of structure, the end plate passes through bolt fixed connection with the side span part, sets up the connecting bolt that sets up in the bounding wall inboard simultaneously and can not influence the regulation of reinforcing bar location frock to the owner muscle.
Preferably, the end plate comprises end plate lugs, and the end plate lugs are vertically fixed at the corners of the end plate. After adopting this kind of structure, the hoist can further increase the stability when the device hangs through the end plate lug.
The principle of the utility model is as follows: arranging a span component, accurately aligning the two groups of steel bar positioning tools, and finally realizing synchronous alignment of the two groups of bearing platform steel bars on the two sides of the foundation pit so as to lay a good foundation for alignment of two prefabricated pier columns; the middle part of the span component stretches across the foundation pit and rises upwards so as to avoid the objects in the foundation pit; on the basis, the steel bar positioning tool is optimally designed, so that the tool has the function of finely adjusting the position of the steel bar of the bearing platform.
In summary, the present invention has the following advantages:
1. the span assembly with the middle bulge and the steel bar positioning tools connected to the left side and the right side of the span assembly are used for accurately positioning the steel bars of the bearing platforms on the two sides of the foundation pit.
2. The positioning device can change the relative height of the middle bulge through the side span connecting part, so that the device has wider application range and is applicable to various construction conditions.
3. Through setting the span subassembly into the structure of frame shape, make whole positioner quality reduce as far as possible under the prerequisite of guaranteeing positioner intensity to this positioner further reduces the requirement of hoist.
4. This device guarantees through a plurality of rings that the hoist puts holistic stability when hoisting this device to improve the positioning accuracy of cushion cap reinforcing bar.
5. The synchronous positioning of the reinforcing steel bars of the bearing platforms at the two sides is realized by arranging a reinforcing steel bar positioning tool at the bottom of the side span component; through set up the bolt of plate and three circumference equipartitions around the hole of wearing out reinforcing bar location frock at the reinforcing bar head, realize the accurate positioning to the reinforcing bar through the extrusion of bolt to the reinforcing bar side.
6. The midspan part and the side span part, and the side span part and the steel bar positioning tool are detachably connected. Make this positioner easily dismouting, thereby can choose midspan part, side span part, the steel bar location frock of corresponding specification for use simultaneously to assemble according to actual conditions and realize the accurate location of both sides cushion cap reinforcing bar.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic view of the front side of the present invention.
FIG. 4 is an enlarged view of a portion of the side span component and reinforcement positioning tool of the present invention.
Fig. 5 is a schematic view of a rebar positioning tool.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
In the attached drawings, 1 is a steel bar positioning tool; 2 is a side span frame rod; 3 is a mid-span frame bar; 4 is a mid-span frame rod hanging ring; 5 is a mid-span part reinforcing rib; 6 is a connecting steel plate; 7 is a side span part reinforcing rib; 8 is a side span frame rod hanging ring; 9 is steel bar adjusting angle steel; 10, a steel bar positioning tool; 11, reserving bolt holes for a steel bar positioning tool; 12, reserving bolt holes for the side span components; 13 is an end plate lifting lug; and 14, a reinforcing steel bar adjusting bolt.
Example one
The utility model relates to a positioning device for improving the combination precision of a bearing platform steel bar and a prefabricated pier column grouting sleeve.
The mid-span component comprises a front mid-span frame rod and a rear mid-span frame rod and three mid-span connecting rods distributed between the two mid-span frame rods, wherein the mid-span frame rods and the mid-span connecting rods are steel rectangular square tubes. Two midspan frame poles all distribute along left right direction, and three midspan connecting rods all distribute along the fore-and-aft direction, and three midspan connecting rods evenly distributed between two midspan frame poles. The midspan frame rod and the midspan connecting rod are fixedly connected through welding, and triangular angle steel is welded at the joint of the midspan frame rod and the midspan connecting rod. The upper surface of every midspan frame pole all is provided with two vertical midspan frame pole rings, all vertically is provided with a splice bar in the left and right sides of every midspan frame pole simultaneously, the inboard and midspan frame pole fixed connection of splice bar, and the side strides frame pole is installed in the outside of splice bar, and the height that highly is higher than the side strides frame pole of midspan frame pole controls two side strides parts and the midspan part in the middle of, forms a protruding shape steel construction jointly.
The side span component comprises a front side span frame rod and a rear side span frame rod, and two side span connecting rods distributed between the two side span frame rods, wherein the side span frame rods and the side span connecting rods are steel rectangular square tubes. Two side span frame poles all distribute along left right direction, and two side span connecting rods all distribute along the fore-and-aft direction, are connected through welded fastening between side span frame pole and the side span connecting rod, have triangular angle steel in the welding of side span frame pole and the junction of side span connecting rod simultaneously. The upper surface of each side-span frame rod is provided with two vertical side-span frame rod hanging rings, and a rectangular frame structure consisting of three rectangular square tubes distributed along the front-back direction and a middle rectangular square tube distributed along the left-right direction is arranged in a space defined by the two side-span frame rods and the two side-span connecting rods. Meanwhile, a circle of reserved bolt holes of the side span component are formed in the lower portion of the side span component.
The steel bar positioning tool comprises an end plate and a coaming. Angle steel, reinforcing bar adjusting bolt are adjusted to the reinforcing bar, and the end plate is the square plate that the level set up, is provided with the round on the end plate and supplies the reinforcing bar head to pass the hole of going on fixing a position, and the diameter of hole is a bit bigger than the diameter of main muscle. Be provided with round steel bar location frock in the inboard in this circle hole and reserve the bolt hole, steel bar location frock reserve the bolt hole and the corresponding setting of side span part reserve the bolt hole, and it is fixed through bolted connection between steel bar location frock and the side span part. The outside that supplies the reinforcing bar head to pass the hole of going on fixing a position at the round is provided with the bounding wall of the vertical setting of round, a bolt hole has all been seted up with the position that every hole corresponds on the bounding wall, the angle steel is adjusted to the reinforcing bar that all is provided with a vertical setting in the inboard of every hole, the hole is cliied to two curb plates of angle steel is adjusted to the reinforcing bar, all be provided with a bolt hole on every curb plate of angle steel is adjusted to the reinforcing bar, all be provided with a screw rod on every bolt hole of bounding wall and angle steel is adjusted to the reinforcing bar, the screw rod is by the hole outside towards the hole setting, the major part tail end of screw rod is towards the hole outside. A plurality of vertically arranged triangular angle steels are arranged on the outer side of the enclosing plate, the number of the triangular angle steels corresponds to the number of the holes, and the triangular angle steels are uniformly distributed on the outer side of the enclosing plate. All be provided with the end plate lug on four angles of end plate, four end plate lugs are vertical to be fixed on the end plate.
The using process of the utility model is as follows: firstly, connecting the selected type of the side span component with the selected type of the mid-span component, and after determining the relative height between the selected type of the mid-span component and the selected type of the mid-span component, fixedly installing the selected type of the side span component at the lower part of the outer side of the connecting steel plate. And then fixedly installing the steel bar positioning tool below the side span component through bolts. Thus, the assembly work of the positioning device is completed.
Then, the positioning device is hoisted to the upper part of the construction bearing platform by a crane or other hoists, and the positioning device can stably stay above the construction bearing platform because the device is provided with a plurality of lifting lugs.
Then, inserting the main reinforcement into a hole of a steel bar positioning tool, screwing screws on the coaming and the steel bar adjusting angle steel, extruding the side surface of the main reinforcement through the front ends of the screws in three directions, so that the main reinforcement is adjusted to a required position by the screws and is fixed at the position, and synchronously performing the operations by the left and right steel bar positioning tools to ensure that the verticality and the elevation of the main reinforcement at the left and right sides are the same; then moving the steel bar positioning tool to enable the main steel bars to be superposed with the center of the prefabricated pier column grouting sleeve; and then transfer the reinforcing bar location frock for the main muscle inserts grout sleeve and fixes with it, the reinforcing bar location frock of both sides accomplishes above-mentioned step in step, thereby accomplishes the accurate location installation of both sides cushion cap main muscle and prefabricated pier stud grout sleeve.
Example two
In the embodiment, 3 groups of side span connecting bolt holes are arranged on the connecting steel plate from top to bottom, and each group of side span connecting bolt holes corresponds to the connecting position of one side span component and one midspan component on the connecting steel plate.
In the use process of the embodiment, after the relative height between the mid-span component and the side-span component is determined, the side-span component is fixed on the bolt hole position required in the connecting steel plate through the bolt, so that the fixed connection of the side-span component and the mid-span component is completed.
The parts not mentioned in this embodiment are the same as those in the first embodiment.
In addition to the above embodiments, the present positioning device is not limited to the use of steel plates as the connectors between the mid-span components and the side-span components; meanwhile, the specific structure of the mid-span component and the side-span component of the positioning device is not limited to a frame structure consisting of a plurality of square pipes.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides an improve positioner of cushion cap reinforcing bar and prefabricated pier stud grout sleeve combination precision which characterized in that: the device comprises a span component and two groups of steel bar positioning tools; the span assembly comprises a mid-span component and two side-span components; one side span component is detachably connected above a group of steel bar positioning tools, and the middle span component is detachably connected between the two side span components; the mid-span component and the two side-span components form a structure shaped like a Chinese character 'ji', and the middle raised part spans the foundation pit.
2. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 1, is characterized in that: the left edge and the right edge of the mid-span component are both provided with side-span connecting components, and each side-span connecting component comprises a connecting steel plate which is vertically arranged; the inner side of the connecting steel plate is connected with the mid-span component, the outer side of the connecting steel plate is detachably connected with the side-span component, and the joint of the connecting steel plate and the mid-span component is higher than the joint of the connecting steel plate and the side-span component to form a raised part.
3. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 2, is characterized in that: the mid-span component comprises mid-span frame rods and mid-span connecting rods, the mid-span frame rods are distributed along the left and right direction, a plurality of mid-span connecting rods are arranged between at least two front and rear mid-span frame rods, and the side-span connecting components are arranged on the left and right sides of the mid-span frame rods; the side striding component comprises side striding frame rods and side striding connecting rods, the side striding frame rods are distributed along the left-right direction, a plurality of midspan connecting rods are arranged between at least two front and back side striding frame rods, and the side striding connecting components are connected at the end parts of the side striding frame rods.
4. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 3, is characterized in that: the connecting steel plate is provided with a plurality of groups of side span connecting bolt holes from high to low, each group of side span connecting bolt holes correspond to the installation position of one side span component, and the end part of the side span connecting rod is installed on the connecting steel plate through a bolt.
5. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 3, is characterized in that: the mid-span frame rod comprises a mid-span frame rod hanging ring, a plurality of mid-span frame rod hanging rings are vertically arranged at the upper part of the mid-span frame rod, and a mid-span part reinforcing rib is arranged at the joint of the mid-span frame rod and the middle frame connecting rod; the side-span frame rod comprises side-span frame rod hanging rings, a plurality of side-span frame rod hanging rings are vertically arranged on the upper portion of the side-span frame rod, and a frame part reinforcing rib is arranged at the joint of the side-span frame rod and the frame connecting rod.
6. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 1, is characterized in that: the steel bar positioning tool comprises an end plate, a steel bar adjusting bolt and a bolt mounting piece, wherein the bolt mounting piece is fixedly connected with the end plate, and the head of the steel bar adjusting bolt is screwed in and penetrates out of the bolt mounting piece; a circle of holes for the main ribs of the bearing platform to pass through are formed in the end plate, and the inner diameter of each hole is larger than the outer diameter of each main rib of the bearing platform; each hole all corresponds and sets up a plurality of steel bar adjusting bolts who encircles the hole, and steel bar adjusting bolt's head top is in the lateral wall of the cushion cap owner muscle that passes the hole.
7. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 6, is characterized in that: three steel bar adjusting bolts are correspondingly arranged in each hole, and are uniformly distributed around the holes; the bolt mounting piece comprises a coaming and a steel bar adjusting angle steel, and the coaming and the steel bar adjusting angle steel are both arranged perpendicular to the end plate; the coaming is annularly arranged at the outer side of the circle of holes, and the steel bar adjusting bolts with the same number as the holes are arranged on the coaming; the same reinforcing bar adjustment angle steel with hole quantity sets up the inboard in the hole, all installs two reinforcing bar adjusting bolt on every reinforcing bar adjustment angle steel.
8. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 7, is characterized in that: the end plate is of a hollow annular structure; the steel bar positioning tool further comprises a plurality of end plate reinforcing ribs, the end plate reinforcing ribs are evenly distributed on the outer side of the enclosing plate, and the end plate reinforcing ribs are fixedly connected with the enclosing plate and the end plate.
9. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 8, is characterized in that: the end plate is provided with a circle of bolt holes, the bolt holes are formed in the inner side of the enclosing plate, the lower portion of the side span component is correspondingly provided with a circle of bolt holes, and the end plate and the side span component penetrate through the bolt holes through a circle of bolts to achieve connection.
10. The positioning device for improving the combination precision of the bearing platform steel bars and the prefabricated pier column grouting sleeve according to claim 6, is characterized in that: the end plate comprises end plate lifting lugs which are vertically fixed at the corners of the end plate.
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| CN202122029825.4U CN215800956U (en) | 2021-08-26 | 2021-08-26 | Positioning device for improving combination precision of bearing platform steel bars and prefabricated pier column grouting sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116377846A (en) * | 2023-04-24 | 2023-07-04 | 中铁一局集团市政环保工程有限公司 | Bridge pier construction structure and method |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116377846A (en) * | 2023-04-24 | 2023-07-04 | 中铁一局集团市政环保工程有限公司 | Bridge pier construction structure and method |
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