CN218800169U - Bridge railing reinforcing bar installation positioner - Google Patents

Abstract

The utility model discloses a bridge guardrail reinforcing steel bar mounting and positioning device, which comprises a base, a fixed arm I, a level bar, an adjusting mechanism I, a fixed arm II, an adjusting mechanism II and a fixed arm III; the base is fixedly connected with a level ruler of a fixed arm I and an adjusting mechanism I and is fixed at one end of the fixed arm I, the fixed arm II is inserted into the fixed arm I, the fixed arm III is fixedly connected with the fixed arm II, and the adjusting mechanism II is movably connected with the fixed arm II and the fixed arm III; the base comprises a fixed rod, a connecting rod and a supporting rod which are fixedly connected with each other; a screw rod II is arranged on one side of the fixed rod, screw rods I are arranged at two ends of the support rod, a support plate is arranged on one side of the support rod, a pair of guide shafts I which are fixedly connected are arranged on the side edge of the support plate, and the guide shafts I are inserted into the support rod and are mutually connected in a sliding manner; be equipped with lead screw I in the middle of the bracing piece and through screw interconnect, I one end of lead screw rotates joint support board. The utility model discloses can realize the fixed-position welding to the spacer bar through this device, reduce the error that uses the line hanging method location to cause.

Description

Bridge railing reinforcing bar installation positioner

Technical Field

The utility model belongs to the technical field of bridge railing construction auxiliary assembly uses, in particular to bridge railing reinforcing bar installation positioner.

Background

In order to reduce the risk that vehicles fall from two sides of a bridge when running on the bridge, bridge anti-collision guardrails are generally arranged on two sides of the bridge, especially overhead roads in cities, and the guardrails are necessary equipment and need to meet a certain height, and the quality of construction quality and the accuracy of geometric dimension directly influence the overall image of the bridge; the preparation of guardrail generally comprises the skeleton by the embedded bar that the bridge floor was reserved and follow-up welded positioning bar, then cooperates the fashioned template to pour the shaping, and wherein positioning bar needs the perpendicular to bridge floor, causes the linear difficult control often of guardrail, often can produce the not straight quality problems of waiting of lines on the surface, seriously influences the guardrail quality, specifically as follows: 1) When an operator binds and fixes the guardrail reinforcing steel bars, the construction is generally carried out by a longitudinal line-hanging method, the longitudinal reinforcing steel bars are installed according to the suspended indicating lines, the integral line shape of the reinforcement binding and the control of the spacing between the reinforcing steel bars are realized, the line-hanging and line-pulling methods are easy to disturb, the precision rate is low, the construction progress is slow, and the applicability is low; 2) And welding and fixing can be carried out only after the positioning steel bars are manually and simply righted for accelerating the construction progress, errors easily exist in the method, namely, the verticality between the adjacent welding positioning steel bars is not uniform, and further the guardrail steel bars are not uniform, so that the pouring quality of the guardrail is not up to the standard.

Through retrieval, the Chinese patent CN215164743U discloses a guardrail steel bar positioning device, which comprises a steel bar positioning frame and a level bar; the steel bar positioning frame comprises a base, a vertical beam and an external corner positioning support, the vertical beam is fixed on the base and is perpendicular to the base, the external corner positioning support is fixed on the vertical beam, and the external corner positioning support is matched with the external top corner of the guardrail steel bar; the horizontal ruler is vertically arranged on the vertical beam, and horizontal bubbles and vertical bubbles are arranged on the horizontal ruler; certain drawbacks still exist; for example, the heights of guardrails of different bridges are different, and the heights of vertical beams in the patent are not changed, so that the guardrail can only adapt to guardrails with a single height and cannot adapt to the positioning of steel bars of guardrails with different heights and sizes in other roads; furthermore, when the horizontal adjustment of the steel bar positioning support is carried out, an elevation band for concrete pouring needs to be laid, then the wood wedge below the steel bar positioning support is adjusted, the wood wedge is not easy to recycle after being used, and the steps are complicated.

Disclosure of Invention

The utility model aims at overcoming not enough among the prior art, providing a bridge railing reinforcing bar installation positioner, can realize the positioning welding to the spacer bar through this device, reduce the error that uses the line hanging method location to cause.

In order to realize the purpose, the utility model discloses a technical scheme is:

a bridge guardrail steel bar mounting and positioning device comprises a base, a fixing arm I, a level bar, an adjusting mechanism I, a fixing arm II, an adjusting mechanism II and a fixing arm III; base fixed connection fixed arm I, level bar and adjustment mechanism I are fixed in I one end of fixed arm, and fixed arm I is pegged graft to fixed arm II, fixed arm II of fixed arm III fixed connection, II swing joint fixed arm II of adjustment mechanism and fixed arm III.

The base comprises a fixed rod, a connecting rod and a supporting rod which are fixedly connected with each other; a screw II is arranged on one side of the fixed rod, a screw I is arranged at two ends of the supporting rod, a supporting plate is arranged on one side of the supporting rod, a pair of guide shafts I which are fixedly connected are arranged on the side edge of the supporting plate, and the guide shafts I are inserted into the supporting rod and are mutually connected in a sliding manner; a screw rod I is arranged in the middle of the supporting rod and is connected with the supporting rod through threads, and one end of the screw rod I is rotatably connected with the supporting plate; the support plate is pushed to slide along the guide shaft I by rotating the screw rod I, so that the support range of the base is further expanded; and the base is leveled through the screw I and the screw II.

One end of the fixing arm I is fixedly connected with the fixing rod, and the other end of the fixing arm I is provided with a jack for being connected with the fixing arm II in an inserting mode.

And a guide groove I is formed in the fixing arm II, a guide column is arranged at one end of the fixing arm II and is inserted into the insertion hole, and teeth are arranged on the guide column.

One end of the fixed arm III is fixedly connected with a fixed arm II, a guide groove II and a guide groove III are arranged on the fixed arm III, a top shaft and a top block are arranged in the guide groove II, one end of the top shaft is fixedly connected with the top block, and one end of the top shaft is inserted into the end part of the fixed arm III and mutually connected in a sliding manner; the other end of the top shaft is provided with a positioning plate.

The adjusting mechanism II comprises an adjusting block, a lead screw and an adjusting arm; the adjusting block is arranged in the guide groove I; two ends of the screw rod are fixed on the side edge of the fixed arm II through a bearing block; the lead screw is connected with the adjusting block through threads; two ends of the adjusting arm are respectively hinged with the adjusting block and the jacking block; the adjusting block is driven to slide up and down along the guide groove I by rotating the lead screw, and then the ejector block is pushed to slide along the guide groove II and the guide groove III through the adjusting arm, so that the positioning plate is pushed to extend out of the fixing arm III to achieve the purpose of adjusting the position of the positioning plate.

The adjusting mechanism I comprises an installation plate, a limiting mechanism and a jacking mechanism; the mounting plate is fixed on the side edge of the fixed arm I, a through groove is formed in the mounting plate, the jacking mechanism is arranged in the through groove, and the limiting mechanism is arranged on the mounting plate and located above the jacking mechanism; the limiting mechanism comprises a fixing block I, a screw rod II and a guide shaft II, a hook plate is arranged on the fixing block I, two ends of the hook plate are rotatably connected with the fixing block I, one end of the hook plate is meshed with teeth, the hook plate cannot rotate downwards due to the limitation of the fixing block I and can only rotate clockwise and upwards, so that the guide column and the fixing arm II are supported by the hook plate, the position of the fixing arm II is ensured to be stable, a baffle plate is arranged at the top of the fixing block I and used for limiting the clockwise rotation angle of the hook plate, and the problem that the hook plate cannot be automatically reset due to the fact that the hook plate is too large in rotation angle is avoided; one end of the screw rod II is rotatably connected with the fixing block I, and the other end of the screw rod II is connected with the mounting plate through threads; II one ends of guiding shafts are fixedly connected with the fixing block I, the other ends of the guiding shafts are connected with the mounting plate in a sliding mode through holes, the fixing block I is pulled to move back and forth along the guiding shafts through the rotating screw rod II, and the purpose of locking or unlocking the fixing arm II is achieved through the hook plate.

The jacking mechanism comprises a fixed block II, a mounting block, a rotating shaft and a handle; the fixed block II and the fixed block I have the same structure and application mode; a hook plate II and a baffle plate II are arranged on the fixed block II, and the hook plate II is engaged with teeth; the installation piece fixed connection fixed block II one side, the axis of rotation is rotated and is connected the installation piece, and the axis of rotation both ends are rotated and are connected the mounting panel, handle one end fixed connection installation piece.

Preferably, a balancing weight is arranged on one side of the fixing rod.

Compared with the prior art, the utility model beneficial effect shows:

1) When the positioning device is used, the positioning steel bar is positioned by matching the base with the fixing arm I, the fixing arm II and the fixing arm III, so that the welding position is more accurate; firstly, a base is placed on a bridge floor, the base and a fixing arm I are leveled through a screw I and a screw II according to a leveling ruler, and then the heights of the fixing arm II and a fixing arm III are adjusted through an adjusting mechanism I according to the heights of a pre-buried steel bar I and a pre-buried steel bar II; then measuring the distance between the end part of the embedded steel bar I and the root part of the embedded steel bar II, adjusting the extending distance of a positioning plate in a fixing arm III by an adjusting mechanism II, hanging a wire on the positioning plate to be vertical to a base, measuring whether the distance between the wire vertical and a supporting plate at the base is equal to the distance between the embedded steel bar I and the embedded steel bar II by a caliper, continuously adjusting the positioning plate by the adjusting mechanism II to finely adjust, withdrawing the wire vertical after adjustment is completed, enabling the supporting plate on the base to be in top contact with the root part of the embedded steel bar II, then enabling the upper end of the welded positioning steel bar to be in top contact with the positioning plate, enabling the positioning steel bar to be naturally vertical, welding the contact point of the positioning steel bar and the embedded steel bar I, enabling the positioning steel bar to be parallel to the fixing arm I and the fixing arm II and to be vertical to a bridge floor, reducing the welding error of adjacent positioning steel bars, avoiding the defects that the wire hanging and pulling methods are easy to be disturbed, the precision rate is low, the construction progress is slow, and the applicability is low;

2) The height of the fixing arm II is controlled through the adjusting mechanism I, so that the height adjusting mechanism can meet the use requirements of positioning welding of positioning reinforcing steel bars of guardrails with different heights; simultaneously the backup pad is through I adjustment of lead screw ejecting or withdraw the reinforcing bar location requirement that can adapt to different width guardrails of cooperation locating plate, the distance of I tip of embedded steel bar and II roots of embedded steel bar promptly.

Drawings

Fig. 1 is a first structural schematic view of a bridge guardrail reinforcing steel bar mounting and positioning device of the utility model;

FIG. 2 is a schematic structural diagram of a fixed arm II, a fixed arm III and an adjusting mechanism II in FIG. 1;

FIG. 3 is a schematic structural diagram of a base and a fixing arm I in FIG. 1;

FIG. 4 is a first schematic structural diagram of the adjusting mechanism I in FIG. 1;

FIG. 5 is a schematic structural diagram II of the adjusting mechanism I in FIG. 1;

FIG. 6 is an exploded view of a limiting mechanism of the adjustment mechanism I of FIG. 5;

FIG. 7 is an exploded view of the jacking mechanism of the adjustment mechanism I of FIG. 5;

fig. 8 is a structural schematic view of a bridge guardrail reinforcing steel bar mounting and positioning device of the utility model II;

in the figure: 1. a base; 11. fixing the rod; 12. a connecting rod; 13. a support bar; 14. a support plate; 15. a screw rod I; 16. a screw I; 17. a screw II; 18. a guide shaft I; 19. a balancing weight; 2. a fixed arm I; 21. a jack; 3. a level bar; 4. an adjusting mechanism I; 41. mounting a plate; 42. a through groove; 44. a limiting mechanism; 441. a fixed block I; 4411. a baffle plate; 4412. hooking a plate; 442. a screw rod II; 443. a guide shaft II; 45. a jacking mechanism; 451. a fixed block II; 4511. a baffle II; 4512. a hook plate II; 452. mounting a block; 453. a rotating shaft; 454. a handle; 5. a fixed arm II; 51. a guide groove I; 52. a guide post; 521. teeth; 6. an adjusting mechanism II; 61. an adjusting block; 62. a lead screw; 63. an adjusting arm; 7. a fixed arm III; 71. a guide groove II; 72. a guide groove III; 73. a top shaft; 74. positioning a plate; 75. a top block; 8. a bridge deck; 81. embedding a steel bar I; 82. embedding a steel bar II; 9. and positioning the reinforcing steel bars.

Detailed Description

For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further specifically described with reference to fig. 1 to 8.

A bridge guardrail steel bar mounting and positioning device comprises a base 1, a fixing arm I2, a level ruler 3, an adjusting mechanism I4, a fixing arm II 5, an adjusting mechanism II 6 and a fixing arm III 7; fixed arm I2 is connected to base 1 fixed connection, and level bar 3 and adjustment mechanism I4 are fixed in fixed arm I2 one end, and fixed arm I2 is pegged graft to fixed arm II 5, fixed arm II 5 is connected to fixed arm III 7 fixed connection, and II 6 swing joint fixed arm II 5 and fixed arm III 7 of adjustment mechanism.

The base 1 comprises a fixed rod 11, a connecting rod 12 and a supporting rod 13 which are fixedly connected with each other; a screw II 17 is arranged on one side of the fixed rod 11, screws I16 are arranged at two ends of the supporting rod 13, a supporting plate 14 is arranged on one side of the supporting rod 13, a pair of guide shafts I18 which are fixedly connected are arranged on the side edge of the supporting plate 14, and the guide shafts I18 are inserted into the supporting rod 13 and are mutually connected in a sliding manner; a screw rod I15 is arranged in the middle of the support rod 13 and is connected with each other through threads, and one end of the screw rod I15 is rotatably connected with a support plate 14; the supporting plate 14 is pushed to slide along the guide shaft I18 by rotating the screw rod I15, so that the supporting range of the base 1 is further expanded; leveling the base 1 through a screw I16 and a screw II 17; one side of the fixing rod 11 is provided with a balancing weight 19 for stabilizing the supporting effect of the base 1.

And one end of the fixing arm I2 is fixedly connected with the fixing rod 11, and the other end of the fixing arm I2 is provided with a jack 21 for inserting the fixing arm II 5.

And a guide groove I51 is formed in the fixing arm II 5, a guide column 52 is arranged at one end of the fixing arm II 5 and is inserted into the jack 21, and teeth 521 are arranged on the guide column 52.

One end of the fixed arm III 7 is fixedly connected with a fixed arm II 5, a guide groove II 71 and a guide groove III 72 are formed in the fixed arm III 7, a top shaft 73 and a top block 75 are arranged in the guide groove II 71, one end of the top shaft 73 is fixedly connected with the top block 75, and one end of the top shaft 73 is inserted into the end part of the fixed arm III 7 and is mutually connected in a sliding manner; the other end of the top shaft 73 is provided with a positioning plate 74.

The adjusting mechanism II 6 comprises an adjusting block 61, a lead screw 62 and an adjusting arm 63; the adjusting block 61 is arranged in the guide groove I51; two ends of the screw rod 62 are fixed on the side edge of the fixed arm II 5 through a bearing block; the lead screw 62 is connected with the adjusting block 61 through threads; two ends of the adjusting arm 63 are respectively hinged with the adjusting block 61 and the top block 75; the adjusting block 61 is driven to slide up and down along the guide groove I51 by rotating the lead screw 62, and then the adjusting arm 63 pushes the top block 75 to slide along the guide grooves II 71 and III 72, so that the positioning plate 74 is pushed to extend out of the fixing arm III 7 to achieve the purpose of adjusting the position of the positioning plate 74.

The adjusting mechanism I4 comprises an installation plate 41, a limiting mechanism 44 and a jacking mechanism 45; the mounting plate is fixed on the side edge of the fixing arm I, a through groove 42 is formed in the mounting plate 41, the jacking mechanism 45 is arranged in the through groove 42, and the limiting mechanism 44 is arranged on the mounting plate 41 and located above the jacking mechanism 45; the limiting mechanism 44 comprises a fixing block I441, a screw rod II 442 and a guide shaft II 443, wherein a hook plate 4412 is arranged on the fixing block I441, two ends of the hook plate 4412 are rotatably connected with the fixing block I441, one end of the hook plate 4412 is meshed with the teeth 521, the hook plate 4412 cannot rotate downwards under the limitation of the fixing block I441 and can only rotate clockwise and upwards, so that the guide column 52 and the fixing arm II 5 are supported by the hook plate 4412, the fixing arm II 5 is guaranteed to be stable in position, a baffle 4411 is arranged at the top of the fixing block I441 and used for limiting the clockwise rotation angle of the hook plate 4412, and the problem that the hook plate 4412 cannot be automatically reset due to the fact that the rotation angle is too large is avoided; one end of the screw rod II 442 is rotatably connected with the fixing block I441, and the other end of the screw rod II is connected with the mounting plate 41 through threads; one end of the guide shaft II 443 is fixedly connected with the fixing block I441, the other end of the guide shaft II 443 is connected with the mounting plate 41 in a sliding mode through the through hole, the fixing block I441 is pulled to move back and forth along the guide shaft II 443 through the rotating screw rod II 442, and the purpose of locking or unlocking the fixing arm II 5 is achieved through the hook plate 4412.

The jacking mechanism 45 comprises a fixed block II 451, a mounting block 452, a rotating shaft 453 and a handle 454; the structures and the application modes of the fixed block II 451 and the fixed block I441 are the same; a hook plate II 4512 and a baffle plate II 4511 are arranged on the fixing block II 451, and the hook plate II 4512 is meshed with the teeth 521; the mounting block 452 is fixedly connected with one side of the fixing block II 451, the rotating shaft 453 is rotatably connected with the mounting block 452, two ends of the rotating shaft 453 are rotatably connected with the mounting plate 41, and one end of the handle 454 is fixedly connected with the mounting block 452; the mounting block 452 is rotated by the handle 454 to rotate around the rotating shaft 453 as an axis, when the handle 454 rotates downwards, the hook plate II 4512 pushes the guide post 52 and the fixing arm II 5 to ascend, at the moment, the hook plate 4412 in the limiting mechanism 44 simultaneously rotates upwards to separate from teeth, and then automatically resets at the next tooth 521 under the influence of gravity to enter the tooth 521 to realize top support locking, and further, the handle in the jacking mechanism 45 can repeat the operation to gradually ascend the guide post 52, so that the height adjustment of the fixing arm II 5 and the fixing arm III 7 is realized; when the height of the fixing arm II 5 needs to be lowered, the screw rod II 442 is rotated to pull the fixing block I441 to enable the hook plate 4412 to release the supporting and locking of the guide post 52, then the handle 454 is rotated reversely to enable the fixing block II 451 to rotate downwards and enable the fixing block II 451 and the hook plate II 4512 to be separated from the contact with the teeth 521, and then the fixing arm II 5 is lowered as required and then is locked and supported through the limiting mechanism 44; realize the regulation from top to bottom of fixed arm II 5, fixed arm III 7.

The utility model provides a bridge railing reinforcing bar installation positioner, the working process as follows:

firstly, a base 1 is placed on a bridge floor 8, the base 1 and a fixing arm I2 are leveled through a screw I16 and a screw II 17 according to a level ruler 3, and then the heights of a fixing arm II 5 and a fixing arm III 7 are adjusted through an adjusting mechanism I4 according to the heights of a pre-buried steel bar I81 and a pre-buried steel bar II 82; then measuring the distance between the end part of the embedded steel bar I81 and the root part of the embedded steel bar II 82, adjusting the extending distance of a positioning plate 74 in a fixing arm III 7 by an adjusting mechanism II 6, hanging a wire on the positioning plate 74 to be vertical to a base 1, measuring whether the distance between the wire vertical and a supporting plate 14 at the base 1 is equal to the distance between the embedded steel bar I81 and the embedded steel bar II 82 or not by a caliper, adjusting the positioning plate 74 by the adjusting mechanism II 6 without stopping, withdrawing the wire vertical after adjustment, enabling the supporting plate 14 on the base 1 to be in top contact with the root part of the embedded steel bar II 82, then enabling the upper end of the welded positioning steel bar 9 to be in top contact with the positioning plate 74, enabling the positioning steel bar 9 to be naturally vertical, welding or firmly binding the contact point of the positioning steel bar 9 and the embedded steel bar I81, enabling the positioning steel bar 9 to be parallel to the fixing arm I2 and the fixing arm II 5 and to be vertical to the bridge deck 8, and reducing the welding error of the adjacent positioning steel bar 9; meanwhile, the support plate 14 can be controlled to extend out or shrink fit with the counterweight block 19 through the screw rod I15 to ensure the stability of the base 1.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims (6)

1. A bridge guardrail steel bar mounting and positioning device comprises a base, a fixing arm I, a level bar, an adjusting mechanism I, a fixing arm II, an adjusting mechanism II and a fixing arm III; the base is fixedly connected with a fixing arm I, and the base is characterized in that a level ruler and an adjusting mechanism I are fixed at one end of the fixing arm I, the fixing arm II is inserted into the fixing arm I, the fixing arm III is fixedly connected with the fixing arm II, and the adjusting mechanism II is movably connected with the fixing arm II and the fixing arm III;

the base comprises a fixed rod, a connecting rod and a supporting rod which are fixedly connected with each other; a screw rod II is arranged on one side of the fixed rod, screw rods I are arranged at two ends of the support rod, a support plate is arranged on one side of the support rod, a pair of guide shafts I which are fixedly connected are arranged on the side edge of the support plate, and the guide shafts I are inserted into the support rod and are mutually connected in a sliding manner; be equipped with lead screw I in the middle of the bracing piece and through screw thread interconnect, I one end of lead screw rotates joint support board.

2. The bridge guardrail reinforcing steel bar mounting and positioning device as claimed in claim 1, wherein one end of the fixing arm I is fixedly connected with the fixing rod, and the other end of the fixing arm I is provided with a jack for inserting the fixing arm II; the fixing arm II is provided with a guide groove I, one end of the fixing arm II is provided with a guide post and inserted into the insertion hole, and the guide post is provided with teeth; one end of the fixed arm III is fixedly connected with a fixed arm II, a guide groove II and a guide groove III are arranged on the fixed arm III, a top shaft and a top block are arranged in the guide groove II, one end of the top shaft is fixedly connected with the top block, and one end of the top shaft is inserted into the end part of the fixed arm III and mutually connected in a sliding manner; the other end of the top shaft is provided with a positioning plate.

3. The device for installing and positioning the reinforcing steel bars of the bridge guardrails according to claim 1, wherein the adjusting mechanism II comprises an adjusting block, a screw rod and an adjusting arm; the adjusting block is arranged in the guide groove I; two ends of the screw rod are fixed on the side edge of the fixed arm II through a bearing block; the screw rod is connected with the adjusting block through threads; the two ends of the adjusting arm are respectively hinged with the adjusting block and the jacking block.

4. The device for installing and positioning the reinforcing steel bars of the bridge guardrail according to claim 1, wherein the adjusting mechanism I comprises an installing plate, a limiting mechanism and a jacking mechanism; the mounting plate is fixed on the side edge of the fixed arm I, a through groove is formed in the mounting plate, the jacking mechanism is arranged in the through groove, and the limiting mechanism is arranged on the mounting plate and located above the jacking mechanism; the limiting mechanism comprises a fixing block I, a screw rod II and a guide shaft II, a hook plate is arranged on the fixing block I, two ends of the hook plate are rotatably connected with the fixing block I, and one end of the hook plate is meshed with the teeth; one end of the screw rod II is rotatably connected with the fixed block I, and the other end of the screw rod II is connected with the mounting plate through threads; and one end of the guide shaft II is fixedly connected with the fixing block I, and the other end of the guide shaft II is connected with the mounting plate through a through hole in a sliding manner.

5. The bridge guardrail steel bar mounting and positioning device of claim 4, wherein the jacking mechanism comprises a fixed block II, a mounting block, a rotating shaft and a handle; a hook plate II and a baffle plate II are arranged on the fixed block II, and the hook plate II is engaged with teeth; the installation piece fixed connection fixed block II one side, the axis of rotation is rotated and is connected the installation piece, and the axis of rotation both ends are rotated and are connected the mounting panel, handle one end fixed connection installation piece.

6. The device as claimed in claim 1, wherein a weight member is provided on one side of the fixing rod.

Images