CN214459711U - Stride a formula single track steel-concrete composite beam bridge floor concrete form reinforcing apparatus - Google Patents
Stride a formula single track steel-concrete composite beam bridge floor concrete form reinforcing apparatus Download PDFInfo
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- CN214459711U CN214459711U CN202120354549.6U CN202120354549U CN214459711U CN 214459711 U CN214459711 U CN 214459711U CN 202120354549 U CN202120354549 U CN 202120354549U CN 214459711 U CN214459711 U CN 214459711U
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Abstract
The utility model relates to a cement material section mould field discloses a stride a formula single track steel-concrete combination beam bridge face concrete form reinforcing apparatus, including mated support frame, fastening bolt and reinforcing bolt, the support frame mainly comprises support column and locating rack, is equipped with opening recess down on the locating rack, and the recess can be inserted in the curb plate of girder steel contact rail, along vertically being equipped with down in order on the support column from last to drawing the screw rod, fastening screw and reinforcing screw, set up on the support column to drawing screw rod and fastening screw rod laterally towards, the distance of drawing between screw rod and the fastening bolt is greater than track beam concrete height. The utility model discloses consolidate the template whole face, made the template have stronger rigidity, do benefit to control roof beam body lineshape and size. Convenient and fast when this reinforcing apparatus dismantles, for harmless dismantlement, guaranteed still to keep good performance after having enough to meet the need the use many times. The reinforcing device can be positioned on the track beam through the groove, so that the positioning work is greatly reduced, and the installation becomes simpler.
Description
Technical Field
The utility model relates to a cement material section mould field, concretely relates to stride a formula single track steel-concrete composite beam bridge face concrete form reinforcing apparatus.
Background
The straddle type monorail is a railway in which a vehicle body rides on a rail beam to run, and is supported, stabilized and guided by a single rail. The track beam is a bearing structure and a guide structure when the vehicle runs, and not only bears the vertical load and the horizontal load (centrifugal force, wind power and the like) of the train, but also bears the action of larger torsional load; meanwhile, as a track for the vehicle to run, the rail is required to have good running performance.
Therefore, during construction, higher requirements are placed on the material and the manufacturing precision of the track beam. In terms of material, a steel-concrete combined beam is usually adopted, the structure mainly bears positive bending moment under the action of constant load and live load, the steel on the lower edge is tensioned, the concrete on the upper edge is compressed, and the two materials respectively take the best length, so that the mechanical properties of the two materials are fully utilized. In the aspect of manufacturing precision, the steel-concrete composite beam is firstly processed into a semi-formed beam body, wherein a continuous groove body for guiding a vehicle body to run is arranged in the middle of the beam body, a bottom plate and a side plate of the groove body extend outwards, an opening faces upwards, then concrete is poured above the beam body, and by taking a certain project of our department as an example, the bridge floor of the steel-concrete composite beam for straddle type monorail traffic is C60 concrete, the thickness is 36cm, the width is 69cm, the size requirement of the bridge floor concrete is controlled within 3mm for ensuring the driving comfort, and the flatness of the side surface and the top surface is controlled within 3m/3 mm.
The existing concrete molding above the beam body has the problems that the existing template has low rigidity, but the existing template adopts the traditional reinforcing mode (namely, a common pipe and a square timber are arranged on the outer side of the template, and a counter-pull screw rod penetrates through the common pipe and the square timber from the middle part of the template), the reinforcing point is single, the line shape and the size of the beam body are inconvenient to control, and the design requirements on the appearance and the line shape of the beam body cannot be met; and adopt such reinforcement mode, to drawing the screw rod and can remaining in the concrete, follow-up needs will be to drawing the partial saw-off that exposes of screw rod, lead to the post processing work load big.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stride a formula single track steel-concrete composite beam bridge face concrete form reinforcing apparatus to solve the current reinforcing apparatus who is used for striding a formula single track steel-concrete composite beam bridge face concrete form and consolidate a single problem of point.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a stride a formula single track steel-concrete composite beam bridge floor concrete form reinforcing apparatus, includes mated support frame, fastening bolt and reinforcing bolt, and the support frame mainly comprises support column and locating rack, is equipped with the recess of opening down on the locating rack, the recess can be inserted in the curb plate of girder steel contact rail, is equipped with to drawing screw rod, fastening screw rod and reinforcement screw rod down in order along vertically from last on the support column, to drawing screw rod and fastening screw rod and setting up on the support column horizontal court, to drawing the distance between screw rod and the fastening bolt and being greater than track roof beam concrete height.
The principle and the advantages of the scheme are as follows:
the support frame is positioned by skillfully utilizing the continuous groove body of the track beam, and then the whole template is well reinforced through the counter-pulling screw, the fastening bolt and the reinforcing bolt on the support frame.
1. Be equipped with the recess that the opening faced down on the support frame locating rack, this recess is arranged in inserting girder steel contact rail, plays the effect of location and support, during the construction, does not need special personnel and device to support always.
2. The support column is as the connection basis of drawing screw rod, fastening bolt and reinforcing bolt, and fastening bolt directly supports tightly with the template, and the top that the screw rod is located track roof beam concrete (because of drawing the distance between screw rod and the fastening bolt and being greater than track roof beam concrete height) to drawing can be followed the top and consolidated the top edge of template, and reinforcing bolt is located fastening bolt below, is convenient for consolidate the lower limb of template to the template whole face has been consolidated.
3. The distance between the opposite-pulling screw rod and the fastening bolt is greater than the height of the track beam concrete, so that the opposite-pulling screw rod is positioned above the track beam concrete, and the opposite-pulling screw rod cannot be left in the track concrete.
The straddle type monorail steel-concrete combined beam bridge deck concrete formwork reinforcing device reinforces the whole surface of the formwork through three important force application points, so that the formwork has stronger rigidity, the linear shape and the size of a beam body are favorably controlled, and the designed requirements on the appearance and the linear shape of the beam body are met. All parts of the reinforcing device act on the template but can not be left in the poured concrete, and during disassembly, the parts (such as the pulling screw) do not need to be sawn off for subsequent treatment, but the threaded connection part can be directly disassembled, so that the reinforcing device is convenient and fast, and the good performance can be still kept after multiple times of turnover use due to the lossless disassembly. The reinforcing device can be positioned on the track beam through the groove, so that the positioning work is greatly reduced, and the installation becomes simpler.
Preferably, as an improvement, paired fastening bolts and reinforcing bolts are respectively distributed along the longitudinal symmetry of the supporting column, and from the angle of stress, the maximum action of the pulling force of the reinforcing device on the direction (the transverse direction of the template) in which the template is possibly deformed is ensured, and the probability of deformation of the template is reduced, so that the track beam is better ensured to meet the requirements of the designed appearance and the linear shape of the beam body.
Preferably, as an improvement, the locating rack includes diagonal rod and horizon bar, and the one end welding of diagonal rod is on the support column, and the other end and the horizon bar integrated into one piece of diagonal rod, horizon bar welding are on the support column, and diagonal rod, horizon bar and support column have formed stable triangle-shaped structure.
Preferably, as an improvement, the locating rack includes the horizon bar, and the horizon bar welding is on the support column, the recess is located on the horizon bar, and for the structure including the diagonal pole, it is not enough slightly to the reinforcement effect of template, but processing is simpler.
Preferably, as an improvement, the inboard of support column is equipped with the mounting panel, and reinforcing bolt sets up on the mounting panel, and reinforcing bolt vertically sets up, and the degree of depth of recess is subtracted to the distance more than or equal to girder steel contact rail of mounting panel to horizon bar, and the reinforcing bolt of being convenient for supports tightly girder steel contact rail bottom, increases longitudinal direction's reinforcement.
Preferably, as an improvement, still include respectively with fastening bolt and the supporting nut of reinforcing bolt, this nut welding is in the support column correspondence department, saves the step of installing the reinforcing apparatus in-process and will revolve the nut on the bolt earlier, makes the installation more swift.
Preferably, as an improvement, the recess can with girder steel conductor rail joint, make the connection between support frame and the track roof beam more firm.
Preferably, as an improvement, the welding point of the diagonal member and the support column is close to the fastening bolt, the fastening bolt is used for reinforcing the middle of the formwork, and the welding point is close to the fastening bolt for reinforcing the reinforcing effect on the middle of the formwork.
Preferably, as an improvement, support column, diagonal pole and horizon bar all have the angle steel to constitute, and the angle steel is drawn materials conveniently, and durable lastingly.
Preferably, as an improvement, the split screw is provided with a gasket and a double nut, so that the split screw can be effectively prevented from loosening.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a usage state diagram of embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 4 is a usage state diagram of embodiment 2 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a split screw 1, a fastening bolt 2, a reinforcing bolt 3, a support column 4, an oblique rod 5, a horizontal rod 6, a groove 7, a template 8, a square timber 9, a groove body 10 and track beam concrete 11.
Example one
This embodiment is substantially as shown in figures 1 and 2:
a straddle type monorail steel-concrete composite beam bridge floor concrete formwork reinforcing device comprises a split screw 1, paired supporting frames, a fastening bolt 2 and a reinforcing bolt 3. The support frame mainly comprises support column 4 and locating rack, and the locating rack includes diagonal pole 5 and horizon bar 6, and the one end welding of diagonal pole 5 is on support column 4, and the welding point of diagonal pole 5 and support column 4 is close to fastening bolt 2, and the other end and the horizon bar 6 integrated into one piece of diagonal pole 5, horizon bar 6 and support column 4 are perpendicular and the welding on support column 4, are equipped with opening recess 7 down on the horizon bar 6, recess 7 can contact rail 10 joints with the girder steel, support column 4, diagonal pole 5 and horizon bar 6 all have the angle steel to constitute, and support column 4, diagonal pole 5 and horizon bar 6 form type "4" style of calligraphy. The supporting column 4 is longitudinally provided with transverse through holes for the oppositely-pulling screw rods 1 and the fastening bolts 2 to pass through, the oppositely-pulling screw rods 1 and the fastening bolts 2 sequentially pass through the transverse through holes, the oppositely-pulling screw rods 1 are positioned at the upper parts of the supporting column 4, the fastening bolts 2 are positioned at the middle parts of the supporting column 4, the distance between the oppositely-pulling screw rods 1 and the fastening bolts 2 is greater than the height of the track beam concrete 11, the inner side of the lower part of the supporting column 4 is provided with a mounting plate, the distance between the mounting plate and the horizontal rod 6 is equal to the height of the steel beam contact rail 10 minus the depth of the groove 7, the reinforcing bolts 3 are arranged on the mounting plate, the reinforcing bolts 3 are longitudinally upwards arranged, the paired fastening bolts 2 and the reinforcing bolts 3 are respectively and symmetrically distributed along the longitudinal direction of the supporting column 4, the oppositely-pulling screw rods 1 are provided with gaskets and double nuts, the transverse through holes corresponding to the oppositely-pulling screw rods 1 on the supporting column 4 are slightly larger than the oppositely-pulling screw rods 1, the distance between the fastening bolts 2 and the reinforcing bolts 3 is greater than the distance between the bottom of the steel beam contact rail 10 and the bottom of the track beam concrete 11, and nuts of matched models are welded at the transverse through holes of the fastening bolt 2 and the reinforcing bolt 3 on the supporting column 4.
The practical application scene is that the bridge floor of the steel-concrete composite beam of the straddle type monorail transit is C60 concrete, the thickness is 36cm, the width is 69cm, in order to ensure the driving comfort, the size requirement of the bridge floor concrete is controlled within 3mm, and the flatness of the side surface and the top surface is controlled within 3m/3 mm.
The installation steps of the reinforcing device are as follows:
s1: arranging the support frames on two sides of the track beam, and clamping the grooves 7 with the steel beam contact rails 10;
s2: installing a counter-pulling screw rod 1, wherein the counter-pulling screw rod 1 is positioned above concrete to be poured, and estimating that a formwork 8 is in a slightly extruded state after the counter-pulling screw rod 1 is installed;
s3: placing the template 8 between two support frames (the force-transferring square timber 9 is nailed on the template 8, the joints of the force-transferring square timber 9 are staggered, and the joints are not overlapped with the splicing seams of the template 8), and adjusting the width and the height of the template 8 to the design size;
s4: screwing the fastening bolt 2 and the reinforcing bolt 3 into the transverse through hole of the support column 4, wherein the fastening screw rod faces the template 8, and the reinforcing bolt 3 faces the lower part of the steel beam contact rail 10;
s5: the whole template 8 is finely adjusted, and after the adjustment is in place, the counter-pulling screw 1, the fastening bolt 2 and the reinforcing bolt 3 are adjusted to be in a screwed state.
After the above steps are completed, the above steps are repeated at an interval of 0.5 m upward along the traveling direction of the track beam to mount the next reinforcing device.
When the template is installed, the groove 7 clamped with the steel beam contact rail 10 plays roles in positioning and supporting, the supporting column 4 serves as a counter-pull screw rod 1, the fastening bolt 2 and the reinforcing bolt 3 are connected, the fastening bolt 2 is directly abutted to the template 8, the upper edge of the template 8 can be reinforced from the upper side by the counter-pull screw rod 1 above the track beam concrete 11 (because the distance between the counter-pull screw rod 1 and the fastening bolt 2 is greater than the height of the track beam concrete 11), the reinforcing bolt 3 is located below the fastening bolt 2, the reinforcing bolt 3 abuts against the bottom of the steel beam contact rail 10, the lower edge of the template 8 is conveniently reinforced, meanwhile, the reinforcing in the longitudinal direction is realized, and the fixing of the whole surface of the template 8 in the longitudinal and transverse directions is realized. Through the inspection discovery to after pouring, the side flatness is high, and control accuracy can reach in 2mm, is higher than the construction requirement, can guarantee to reach the outward appearance and the linear requirement to the roof beam body of design after the shaping.
This reinforcing apparatus's dismantlement is comparatively convenient, only needs the pine to drawing screw rod 1, fastening bolt 2 and reinforcing bolt 3 soon, can lift the support frame off. The distance between the opposite-pulling screw rod 1 and the fastening bolt 2 is larger than the height of the track beam concrete 11, so that the opposite-pulling screw rod 1 is positioned above the track beam concrete 11, and the opposite-pulling screw rod 1 cannot be left in the track concrete. When the screw is disassembled, the subsequent treatment of sawing off the part (such as the split screw 1) is not needed, but the threaded connection part is directly disassembled, so that the screw is convenient and fast, the nondestructive disassembly ensures that the good performance is still kept after multiple times of turnover use, the reuse rate is high, and the screw has better economical efficiency and practicability.
Example two
As shown in fig. 3 and 4, the present embodiment is different from the first embodiment in that: the positioning frame does not comprise the diagonal rod 5, and the supporting frame is in a cross shape, so that the diagonal support is lacked, the reinforcing effect is slightly influenced, the processing cost is reduced, and all functions of the embodiment 1 can be still realized.
The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a stride a formula monorail steel reinforced concrete and combine roof beam bridge floor concrete form reinforcing apparatus which characterized in that: including mated support frame, fastening bolt and reinforcing bolt, the support frame mainly comprises support column and locating rack, is equipped with the recess of opening down on the locating rack, the recess can be inserted in the curb plate of girder steel contact rail, is equipped with to drawing screw rod, fastening screw rod and reinforcing screw rod down in order along vertical from last on the support column, to drawing screw rod and fastening screw rod and setting up on the support column horizontal court, to drawing the distance between screw rod and the fastening bolt and being greater than track roof beam concrete height.
2. The device for reinforcing the concrete formwork of the bridge deck of the straddle-type monorail steel-concrete composite beam according to claim 1, characterized in that: the paired fastening bolts and the paired reinforcing bolts are respectively and symmetrically distributed along the longitudinal direction of the support column.
3. The device for reinforcing the concrete formwork of the bridge deck of the straddle-type monorail steel-concrete composite beam according to claim 2, characterized in that: the locating rack comprises an oblique rod and a horizontal rod, one end of the oblique rod is welded on the support column, the other end of the oblique rod and the horizontal rod are integrally formed, the horizontal rod is welded on the support column, and the groove is formed in the horizontal rod.
4. The device for reinforcing the concrete formwork of the bridge deck of the straddle-type monorail steel-concrete composite beam according to claim 2, characterized in that: the locating rack comprises a horizontal rod, the horizontal rod is welded on the support column, and the groove is formed in the horizontal rod.
5. The device for reinforcing the concrete formwork of the bridge deck of the straddle-type monorail steel-concrete composite beam as defined in claim 3 or 4, wherein: the inboard of support column is equipped with the mounting panel, and reinforcing bolt sets up on the mounting panel, and reinforcing bolt vertically sets up, and the degree of depth of recess is subtracted to the distance more than or equal to girder steel contact rail of mounting panel to horizon bar.
6. The device for reinforcing the concrete formwork of the bridge deck of the straddle-type monorail steel-concrete composite beam as defined in claim 3 or 4, wherein: the nut is respectively matched with the fastening bolt and the reinforcing bolt and is welded at the corresponding position of the support column.
7. The device for reinforcing the concrete formwork of the bridge deck of the straddle-type monorail steel-concrete composite beam as defined in claim 3 or 4, wherein: the groove can be clamped with the steel beam contact rail.
8. The straddle type monorail steel-concrete composite beam bridge floor concrete formwork reinforcing device according to claim 3, characterized in that: the welding point of the diagonal rod and the supporting column is close to the fastening bolt.
9. The straddle type monorail steel-concrete composite beam bridge floor concrete formwork reinforcing device according to claim 3, characterized in that: the support column, the diagonal rod and the horizontal rod are all composed of angle steel.
10. The device for reinforcing the concrete formwork of the bridge deck of the straddle-type monorail steel-concrete composite beam as defined in claim 3 or 4, wherein: and the opposite-pulling screw rod is provided with a gasket and double nuts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120354549.6U CN214459711U (en) | 2021-02-08 | 2021-02-08 | Stride a formula single track steel-concrete composite beam bridge floor concrete form reinforcing apparatus |
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| CN202120354549.6U CN214459711U (en) | 2021-02-08 | 2021-02-08 | Stride a formula single track steel-concrete composite beam bridge floor concrete form reinforcing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395983A (en) * | 2022-01-07 | 2022-04-26 | 中铁工程设计咨询集团有限公司 | Straddle type single-rail steel-concrete track beam bridge deck pouring template and bridge deck pouring method |
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2021
- 2021-02-08 CN CN202120354549.6U patent/CN214459711U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395983A (en) * | 2022-01-07 | 2022-04-26 | 中铁工程设计咨询集团有限公司 | Straddle type single-rail steel-concrete track beam bridge deck pouring template and bridge deck pouring method |
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