CN217578092U - Assembled suspension portal frame for T-beam tensioning jack - Google Patents
Assembled suspension portal frame for T-beam tensioning jack Download PDFInfo
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- CN217578092U CN217578092U CN202221038446.XU CN202221038446U CN217578092U CN 217578092 U CN217578092 U CN 217578092U CN 202221038446 U CN202221038446 U CN 202221038446U CN 217578092 U CN217578092 U CN 217578092U
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- slide rail
- sliding rail
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Abstract
An assembled suspension portal frame for a T-beam tensioning jack comprises universal brake wheels, a supporting frame, a turbine screw rod lifter, a rotatable gear, a slide rail system and a manual and electric hoist; the supporting frame comprises an upright post, an upper cross beam and a lower cross beam; the bottom end of the upright post is provided with a worm screw lifter, and the top of the upright post is connected with the upper cross beam; the bottom end of the turbine screw rod lifter is provided with a universal brake wheel; the upper sliding rail and the lower sliding rail are mounted on the top surface of the upper beam and are arranged vertically, the lower sliding rail is mounted in a U-shaped channel steel arranged on the top surface of the upper beam, the upper sliding rail slides on the lower sliding rail through a U-shaped groove wheel arranged on the lower sliding rail, an H-shaped groove wheel is arranged on the upper sliding rail, a hook is fixedly connected below the H-shaped groove wheel, and a manual and electric dual-purpose hoist is connected to the upper sliding rail through the hook. The portal frame solves the problems that a support is difficult to move, the height and the angle of the jack are difficult to finely adjust and the like due to the self weight of the jack in the tensioning construction of the prestressed T-beam.
Description
The technical field is as follows:
the utility model relates to a bridge engineering construction technical field, concretely relates to an assembled portal that suspends in midair that is used for T roof beam stretch-draw jack to suspend in midair.
Background art:
in the traditional tensioning construction process of the prestressed T-beam steel strand, a heavy hydraulic jack is often needed to stretch the steel strand, the jack is lifted, adjusted and moved manually, the weight of a conventional hydraulic jack reaches 200-300kg, 4-5 persons are often needed to move a jack support frame and the jack after the previous T-beam tensioning construction is completed, the adjustment amount of downward adjustment and inclined adjustment of the jack is difficult to master in the operation process although the gantry is matched in part of areas, the problems of uneven stress and the like easily occur in the steel strand tensioning process, and meanwhile, because the jack is heavy, the shaking amplitude in the gantry suspension hoisting process is large, personal injury is easily caused or damage is easily caused to the poured T-beam or the steel strand, and the potential safety hazard is large. Therefore, an assembled suspension portal frame for a T-beam tensioning jack is needed, and the assembled suspension portal frame has important significance for tensioning a prestressed T-beam.
The utility model has the following contents:
the to-be-solved problem of the utility model is exactly to above not enough and provide an assembled portal that can effectively be applied to T roof beam stretch-draw jack and suspend in midair.
In order to solve the problem, the utility model adopts the technical scheme that:
the utility model provides an assembled suspension portal frame for a T-beam tensioning jack, which comprises universal brake wheels, a support frame, a turbine screw rod lifter, a rotatable gear, a slide rail system and a manual and electric hoist; the supporting frame comprises an upright post, an upper cross beam and a lower cross beam, and the upper cross beam and the lower cross beam connect the upright post into a whole through a socket; a turbine screw rod lifter is arranged at the bottom of the upright column, a head flange of the turbine screw rod lifter is connected with the upright column at the upper part, and the top of the other end of the upright column is connected with the upper cross beam; the universal brake wheel is arranged on the base at the bottom of the corresponding turbine screw rod lifter; a rotating handle is arranged on the worm gear lead screw lifter, and a transmission rod is arranged between the two worm gear lead screw lifters on the left side and the right side of the suspension door frame; the top surface of the upper crossbeam is provided with a slide rail system, the slide rail system is provided with two double-layer bidirectional slide rails, the lower slide rail is provided with two parallel slide rails, the upper slide rail is provided with one slide rail, the lower slide rail is vertically arranged, the top surfaces of the two symmetrical upper crossbeams are provided with U-shaped channel steel, a rack is arranged outside the U-shaped channel steel on the upper crossbeam on one side, the lower slide rail is arranged in the U-shaped channel steel, the lower slide rail is provided with a U-shaped groove wheel, two ends of the upper slide rail are fixed at the top of the U-shaped groove wheel, the upper slide rail slides on the lower slide rail through the U-shaped groove wheel, the upper slide rail is provided with an H-shaped groove wheel, the H-shaped groove wheel slides along the upper slide rail, a hook is fixedly connected below the H-shaped groove wheel, and a flashlight is connected to the upper slide rail through a hook; a gear rocking handle is arranged on the rotatable gear, the rotatable gear is connected with one end of the upper sliding rail through a connecting rod, and the rotatable gear is connected with rack teeth on the outer side of the U-shaped channel steel on the upper cross beam on one side.
The upright posts are made of round steel and are provided with four upright posts; the upper cross beam and the lower cross beam are made of square steel and are respectively provided with four square steel plates; the upper cross beam and the lower cross beam are connected with the four stand columns into a whole through the socket slots, the socket slots are provided with bolt holes and butterfly-shaped circular wing nut bolts, and the upper cross beam and the lower cross beam are locked by the bolts after installation is completed.
The number of the turbine screw rod lifters is four.
The upper sliding rail is made of square steel, and the lower sliding rail is made of round steel with the diameter of 16 mm; and two ends of the lower sliding rail are provided with limit stops.
The manual and electric dual-purpose hoist is provided with two.
And two ends of the lower-layer sliding rail, the U-shaped channel steel, the upper cross beam and the lower cross beam are respectively provided with two mounting screw holes with nuts.
The universal brake wheel be provided with four, it includes inflatable tire, base and universal joint, is provided with four installation screw on the base.
A baffle is arranged between the upper beam and the lower beam in front of or at two sides of the suspension portal frame, support rods are arranged inside two sides of the baffle, one end of each support rod is hinged with the baffle, and the other end of each support rod is supported on the lower beam through a U-shaped base; the baffle adopts a wood plywood with the thickness of 15 mm.
A rain-proof shed is arranged above the supporting frame, the rain-proof shed is fixed on an upper cross beam of the supporting frame through a support rod, and the rain-proof shed is an inclined roof and is made of color steel tiles; drainage pipes are arranged at cornices on two sides of the rain-proof shed and are C-shaped and are formed by cutting phi 150PV drainage pipes.
The main structure of the suspension door frame is hot galvanized for corrosion prevention, and the bolts are ordinary rough C-level bolts.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model achieves the purpose of integral height adjustment by arranging the worm gear lead screw lifter at the bottom of the upright post; the worm gear screw rod lifter is connected by the transmission rod, so that the synchronous and quick adjustment of the worm gear screw rod lifter can be realized.
2. The utility model discloses a set up the baffle in braced frame the place ahead or both sides, reach safety protection's purpose.
3. The utility model discloses a weather enclosure and C type drainage pipe that braced frame top set up reach rain-proof drainage effect, can enough protect braced frame, the rainy weather stretch-draw operation of being convenient for simultaneously.
4. The utility model discloses a rotatable gear and slide rail system that the top set up reach accurate, the quick adjustment of jack suspension position.
5. The utility model discloses simple structure, convenient to use easily dismantles to repeatedly usable.
In conclusion, in the traditional tensioning construction process, a heavy hydraulic jack is often needed to be adopted for tensioning the steel strand, the height and the inclination angle of the jack are not easy to adjust in the operation process, and the problems of uneven stress of the steel strand and the like are easy to occur. The utility model uses the detachable square steel as the main supporting frame of the suspension portal frame; the universal brake wheel is arranged at the bottom of the upright post to realize the integral movement and fixation of the support frame; round steel and square steel are adopted as top sliding rails, so that the front, back, left and right movement of the suspension jack is realized; the suspension height and angle of the jack are adjusted through the manual and electric dual-purpose hoist arranged on the square steel, so that tensioning operation is facilitated; the utility model discloses effectively solved among the prestressing force T roof beam stretch-draw construction process because the support that the jack dead weight leads to removes difficulty, jack height and angle and is difficult to realize the fine setting scheduling problem for the translation rate of stretch-draw jack equipment has higher practicality, the stretch-draw construction that carries out the prestressing force T roof beam that can be better.
Description of the drawings:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a top view of the present invention;
fig. 5 is an enlarged view of a portion i of fig. 2.
Reference numbers in the figures:
1-universal brake wheel, 2-turbine screw rod lifter, 3-upright post, 4-upper beam, 5-lower beam, 6-manual and electric dual-purpose hoist, 7-hook, 8-H type groove wheel, 9-baffle, 10-weather enclosure, 11-drainage pipeline, 12-support rod, 13-U type base, 14-upper slide rail, 15-rotating handle, 16-transmission rod, 17-lower slide rail, 18-U type channel steel, 19-U type groove wheel, 20-rotatable gear, 21-gear rocking handle and 22-rack.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the following embodiments, which are intended to explain the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the protection scope of the present invention by the same or similar techniques.
Referring to fig. 1-5, the utility model provides a portal is suspended in midair with assembled to T roof beam stretch-draw jack is applicable to T roof beam stretch-draw jack suspension construction, and it includes universal brake wheel 1, braced frame, turbine lead screw riser 2, rotatable gear, slide rail system and the dual-purpose calabash 6 of flashlight. The supporting frame comprises upright posts 3, an upper cross beam 4 and a lower cross beam 5, wherein the upright posts 3 are made of round steel and are provided with four upright posts; the upper cross beam 4 and the lower cross beam 5 are made of square steel and are respectively provided with four, the four upper cross beams 4 are fixed into a rectangular frame, and the four lower cross beams 5 are fixed into a rectangular frame; four angles of the rectangular frame of the upper cross beam 4 and the rectangular frame of the lower cross beam 5 are respectively connected with the four stand columns 3, the upper cross beam 4 and the lower cross beam 5 are connected with the four stand columns 3 into a whole through socket slots, bolt holes and butterfly-shaped circular wing nut bolts are arranged on the socket slots, and the upper cross beam 4 and the lower cross beam 5 are locked by the bolts after being installed. The bottom of the upright post 3 is provided with four worm screw lifters 2, a flange plate at the head part of each worm screw lifter 2 is connected with the upright post 3 at the upper part, and the top of the other end of each upright post 3 is connected with the upper cross beam 4; the worm gear lead screw lifters 2 are provided with rotating handles 15, and transmission rods 16 are arranged between the two worm gear lead screw lifters 2 on the left side and the right side of the suspension door frame. Four universal brake wheels 1 are arranged, each universal brake wheel comprises an inflatable tire, a base and a universal joint, and four mounting screw holes are formed in the base; the universal brake wheel 1 is arranged on a base at the bottom of the corresponding turbine screw rod lifter 2 and is used as a moving device of the suspension portal. The top surface of the upper cross beam 4 is provided with a slide rail system, the slide rail system is provided with two double-layer bidirectional slide rails, the lower slide rail 17 is provided with two parallel slide rails, the upper slide rail 14 is provided with one slide rail, the upper slide rail 14 and the lower slide rail 17 are vertically arranged, the upper slide rail 14 is made of square steel, and the lower slide rail 17 is made of round steel with the diameter of 16 mm; the top surfaces of the two symmetrical upper cross beams 4 are provided with U-shaped channel steels 18, racks 22 are arranged on the outer sides of the U-shaped channel steels 18 on the upper cross beam 4 on one side, lower-layer slide rails 17 are installed in the U-shaped channel steels 18, U-shaped groove wheels 19 are arranged on the lower-layer slide rails 17, and limit stoppers are arranged at two ends of the lower-layer slide rails 17 to prevent the U-shaped groove wheels 19 from derailing; two ends of the upper-layer slide rail 14 are fixed on the top of the U-shaped groove wheel 19, and the upper-layer slide rail 14 slides on the lower-layer slide rail 17 through the U-shaped groove wheel 19; an H-shaped groove wheel 8 is arranged on the upper-layer slide rail 14, the H-shaped groove wheel 8 slides along the upper-layer slide rail 14, a hook 7 is fixedly connected below the H-shaped groove wheel 8, two manual and electric dual-purpose hoists 6 are arranged, and the manual and electric dual-purpose hoists 6 are arranged on the upper-layer slide rail 14 through the hook 7 fixed below the H-shaped groove wheel 8. Two ends of the lower-layer slide rail 17, the U-shaped channel steel 18, the upper beam 4 and the lower beam 5 are respectively provided with two mounting screw holes with nuts. A gear rocking handle 21 is arranged on a rotatable gear 20, the rotatable gear 20 is connected with one end of the upper layer slide rail 14 through a connecting rod, and the rotatable gear 20 is in toothed connection with a rack 22 on the outer side of the U-shaped channel steel 18 on the upper cross beam 4 on one side. A rain-proof shed 10 is arranged above the supporting frame, the coverage area of the rain-proof shed 10 is larger than the plane area of the rectangular section of the supporting frame, the rain-proof shed 10 is fixed on an upper cross beam 4 of the supporting frame through a supporting rod, and the rain-proof shed 10 is an inclined roof and is made of color steel tiles; the rain-proof canopy 10 both sides eaves mouth is provided with drainage pipe 11, and drainage pipe 11 is the C type, adopts phi 150PV drainage pipe cutting to form. The baffle 9 is arranged between the upper cross beam 4 and the lower cross beam 5 in front of or on two sides of the suspension door frame, support rods 12 are arranged inside two sides of the baffle 9, one end of each support rod 12 is hinged with the baffle 9, and the other end of each support rod 12 is supported on the lower cross beam 5 through a U-shaped base 13; baffle 9 adopts 15mm thick wood plywood, can reduce this portal whole weight that suspends in midair when playing the safety protection effect. The main structure of the suspension door frame is hot galvanized for corrosion prevention, and the bolts are ordinary rough C-level bolts.
The working method of the suspension door frame comprises the following steps:
1) And assembling the suspension gantry. And assembling the upright post 3, the upper cross beam 4, the lower cross beam 5, the baffle 9, the slide rail system and the like of the suspension portal according to the requirements of installation drawings.
2) After the suspension portal frame is assembled, the suspension portal frame is moved to a position above a hydraulic jack, hooks of the manual and electric hoist 6 above the suspension portal frame are hung on hanging rings of the hydraulic jack respectively, after the jack is lifted to the ground by using a chain block, 1-2 persons push the suspension portal frame to the end of a beam body to be tensioned, the jack is lifted to the designed position of a tension steel strand, a gear rocking handle 21 beside a lower-layer sliding rail 17 is shaken, the position of the jack is adjusted leftwards and rightwards to be basically aligned with the tension steel strand, and the manual and electric hoist 6 corresponding to two hanging rings of the jack are pulled or pressed respectively according to the design angle of a steel strand outlet, so that the inclination angle of the manual and electric hoist is consistent with that of the tension steel strand.
3) After adjustment is completed, the gear rocking handle 21 beside the lower-layer sliding rail 17 is rocked, the jack is close to the T-shaped beam end, the steel strand with the clip anchor installed can smoothly pass through the jack, and the center of the jack and the center of the steel strand are on the same straight line.
4) And after tensioning is finished, removing the working anchorage device, shaking the gear rocking handle 21 beside the lower-layer slide rail 17, slowly withdrawing the jack, pressing the switch of the manual and electric hoist 6, lowering the jack, and slowly moving the suspension portal frame to a next tensioning area.
5) After all tensioning is finished, the lifting jack is lowered and removed from the hook of the manual and electric dual-purpose hoist 6, and the suspension door frame is folded and unfolded for next use.
6) The operation sequence is as follows: assembling the suspension door frame → hoisting and debugging the jack → tensioning → moving the suspension door frame → disassembling the suspension door frame → finishing the work.
Claims (10)
1. The utility model provides a portal is suspended in midair with assembled to T roof beam stretch-draw jack which characterized by: the suspension gantry comprises a universal brake wheel (1), a support frame, a turbine screw rod lifter (2), a rotatable gear, a slide rail system and a manual and electric hoist (6); the supporting frame comprises upright columns (3), an upper cross beam (4) and a lower cross beam (5), and the upright columns (3) are connected into a whole by the upper cross beam (4) and the lower cross beam (5) through socket slots; the bottom of the upright post (3) is provided with a turbine screw rod lifter (2), a flange plate at the head part of the turbine screw rod lifter (2) is connected with the upright post (3) at the upper part, and the top of the other end of the upright post (3) is connected with an upper cross beam (4); the universal brake wheel (1) is arranged on a base at the bottom of the corresponding turbine screw lifter (2); a rotating handle (15) is arranged on the worm screw lifters (2), and a transmission rod (16) is arranged between the two worm screw lifters (2) on the left side and the right side of the suspension door frame; the top surface of the upper cross beam (4) is provided with a slide rail system, the slide rail system is provided with double-layer bidirectional slide rails, two lower-layer slide rails (17) are arranged in parallel, one upper-layer slide rail (14) is arranged, the upper-layer slide rail (14) and the lower-layer slide rail (17) are vertically arranged, the top surfaces of two symmetrical upper cross beams (4) are provided with U-shaped channel steels (18), the outer side of the U-shaped channel steel (18) on the upper cross beam (4) on one side is provided with a rack (22), the lower-layer slide rail (17) is arranged in the U-shaped channel steel (18), the lower-layer slide rail (17) is provided with a U-shaped channel wheel (19), two ends of the upper-layer slide rail (14) are fixed at the top of the U-shaped channel wheel (19), the upper-layer slide rail (14) slides on the lower-layer slide rail (17) through the U-shaped channel wheel (19), the upper-layer slide rail (14) is provided with an H-shaped channel wheel (8), the H-shaped channel wheel (8) slides along the upper-layer slide rail (14), a hook (7) is fixedly connected below the H-shaped channel wheel (8), and a dual-purpose hoist (6) is connected to the upper-layer slide rail (14); a gear rocking handle (21) is arranged on the rotatable gear (20), the rotatable gear (20) is connected with one end of the upper sliding rail (14) through a connecting rod, and the rotatable gear (20) is in tooth connection with a rack (22) on the outer side of the U-shaped channel steel (18) on the upper cross beam (4) on one side.
2. The fabricated suspension portal frame for a T-beam tensioning jack of claim 1, wherein: the upright posts (3) are made of round steel and are provided with four upright posts; the upper cross beam (4) and the lower cross beam (5) are made of square steel and are respectively provided with four square steel; the upper cross beam (4) and the lower cross beam (5) are connected with the four stand columns (3) into a whole through the socket slots, the socket slots are provided with bolt holes and butterfly-shaped circular wing nut bolts, and the upper cross beam (4) and the lower cross beam (5) are locked by the bolts after installation is completed.
3. The fabricated suspension portal frame for a T-beam tensioning jack of claim 1, wherein: the number of the turbine screw lifters (2) is four.
4. The fabricated suspension portal frame for a T-beam tensioning jack of claim 1, wherein: the upper sliding rail (14) is made of square steel, and the lower sliding rail (17) is made of round steel with the diameter of 16 mm; and two ends of the lower sliding rail (17) are provided with limit stops.
5. The fabricated suspension gantry for a T-beam tension jack according to claim 1, wherein: the manual and electric dual-purpose hoist (6) is provided with two.
6. The fabricated suspension gantry for a T-beam tension jack according to claim 1, wherein: and two ends of the lower-layer sliding rail (17), the U-shaped channel steel (18), the upper cross beam (4) and the lower cross beam (5) are respectively provided with two mounting screw holes with nuts.
7. The fabricated suspension portal frame for a T-beam tensioning jack of claim 1, wherein: the universal brake wheel (1) is provided with four, and the universal brake wheel comprises an inflatable tire, a base and a universal joint, wherein four mounting screw holes are formed in the base.
8. The fabricated suspension gantry for a T-beam tension jack according to claim 1, wherein: a baffle (9) is arranged between an upper cross beam (4) and a lower cross beam (5) in front of or on two sides of the suspension portal frame, support rods (12) are arranged inside two sides of the baffle (9), one end of each support rod (12) is hinged with the baffle (9), and the other end of each support rod (12) is supported on the lower cross beam (5) through a U-shaped base (13); the baffle (9) is made of wood plywood with the thickness of 15 mm.
9. The fabricated suspension portal frame for a T-beam tensioning jack of claim 1, wherein: a rainproof shed (10) is arranged above the supporting frame, and the rainproof shed (10) is fixed on an upper cross beam (4) of the supporting frame through a support rod; the rain-proof shed (10) is an inclined roof and is made of color steel tiles; drainage pipelines (11) are arranged at cornices on two sides of the rain-proof shed (10), the drainage pipelines (11) are C-shaped and are formed by cutting phi 150PV drainage pipelines.
10. The fabricated suspension portal frame for a T-beam tensioning jack of claim 1, wherein: the main structure of the suspension door frame is hot galvanized for corrosion prevention, and the bolts are ordinary rough C-level bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221038446.XU CN217578092U (en) | 2022-04-28 | 2022-04-28 | Assembled suspension portal frame for T-beam tensioning jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221038446.XU CN217578092U (en) | 2022-04-28 | 2022-04-28 | Assembled suspension portal frame for T-beam tensioning jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217578092U true CN217578092U (en) | 2022-10-14 |
Family
ID=83548310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221038446.XU Active CN217578092U (en) | 2022-04-28 | 2022-04-28 | Assembled suspension portal frame for T-beam tensioning jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217578092U (en) |
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2022
- 2022-04-28 CN CN202221038446.XU patent/CN217578092U/en active Active
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