CN111648251A - Safety auxiliary device is worn to establish by steel strand wires - Google Patents

Abstract

The invention discloses a steel strand penetrating safety auxiliary device which comprises a bottom, a limiting plate, a vertical plate and a rectangular bearing block, wherein end positioning assemblies are respectively arranged at two ends of a base, and the vertical plate and the rectangular bearing block are arranged in the middle of the left side of the base; a rectangular through hole is dug in the middle of the base, bearing components are symmetrically arranged on the base on two sides of the left end of the rectangular through hole, and a first limiting vertical plate and a first through hole are arranged on the base at the left end of the rectangular through hole; positioning blocks are symmetrically arranged below two sides of the rectangular through hole, and L-shaped grooves are respectively dug on the inner side surface of each positioning block; a pressing rod component is arranged between the two positioning blocks. The invention can rapidly carry out the threading or tensioning operation of the steel strand on the local part of the bridge, avoids the occurrence of potential safety hazard, and has the advantages of convenient use, simple operation and easy popularization.

Description

Safety auxiliary device is worn to establish by steel strand wires

The technical field is as follows:

the invention relates to auxiliary equipment for penetrating a steel strand by a T-beam post-tensioning method, in particular to safety auxiliary equipment for penetrating the steel strand.

Background art:

in the process of bridge construction, an essential procedure is that the bridge is prestressed and tensioned; the prestressed tensioning is simple, namely, tension is exerted in advance in a bridge member, the bridge member generates certain deformation in advance to correspond to the load on the structure, and the application of the prestressed pressure has many advantages, so that the bending resistance and rigidity of the bridge member can be effectively improved, the vibration and elastic deformation are reduced, the occurrence time of cracks is delayed, and the bridge is more durable; in the existing prefabricated T-beam steel strand threading construction, steel strands are generally manually threaded on the side face of a continuous beam, at least two workers are needed for one group, one end of an L-shaped stay bar is generally hooked on the steel strand by a worker A, then the worker B steps on the stay bar by one foot to enable the stay bar to be tightly pressed on the steel strand, meanwhile, the worker A realizes local threading work of the T-beam steel strand through pushing and pulling of the stay bar, in the operation, the heel of the worker B moves along with the movement of the stay bar, the condition that the gravity center is unstable or the worker A slips when the stay bar is pushed and pulled can occur, the conveying progress of the steel strands is seriously influenced, carelessness is slight, the feet of the worker B can touch the steel bars around, and therefore potential safety hazards are brought to the workers.

The invention content is as follows:

the technical problems to be solved by the invention are as follows: overcome prior art's not enough, provide a safe auxiliary assembly is worn to establish by steel stranded conductor, can avoid the staff to wear to establish the work at T roof beam steel stranded conductor, the condition that the foot skidded, the focus is unstable appears, guaranteed staff's personal safety, improved work efficiency.

The technical scheme adopted by the invention for solving the technical problem is as follows:

a steel strand penetrating safety auxiliary device comprises a bottom, a limiting plate, a vertical plate and a rectangular bearing block, wherein end positioning assemblies are arranged at two ends of a base respectively, a first positioning hole is formed in the base on the inner side of each end positioning assembly respectively, the vertical plate is arranged in the middle of the left side of the base, and the rectangular bearing block is arranged on the inner side of the vertical plate; a rectangular through hole is dug in the middle of the base, bearing components are symmetrically arranged on the base on two sides of the left end of the rectangular through hole, a first limiting vertical plate is arranged on the base at the left end of the rectangular through hole, and a semicircular first through hole is dug in the first limiting vertical plate; positioning blocks are symmetrically arranged below two sides of the rectangular through hole, and L-shaped grooves are respectively dug on the inner side surface of each positioning block; and a pressing rod assembly is arranged between the two positioning blocks.

The limiting plate is located on the bottom surface of the base on the right side below the rectangular through hole.

First spacing riser is located the outside border department of rectangle bearing block right side rectangle through-hole left end, the bottom surface and the base fixed connection of rectangle bearing block are in the same place, the left surface of rectangle bearing block is in the same place with the medial surface fixed connection of riser.

The number of the end positioning assemblies is four, a first positioning hole is formed in the base on the inner side of each end positioning assembly, and end positioning assemblies are arranged at four corners of the base respectively; every tip locating component comprises first L form board, second L form board, end plate and first positioning bolt respectively, the one end and the base fixed connection of first L form board are in the same place, the other end of first L form board is articulated together with the one end of second L form board, the one end of end plate is articulated together with the other end of second L form board the side of second L form board is provided with the side locating hole.

Each bearing assembly consists of a vertical baffle, a bearing rod, support columns, stop rods, a handle and a second positioning hole, the vertical baffle is vertically arranged on the bases on the two sides of the left end of the rectangular through hole, the support columns are respectively arranged on the bases on the left ends of the inner side surfaces of the vertical baffles, two stop rods are vertically arranged on each support column, the cross section of the top of each stop rod is distributed in an arc shape, and the two stop rods on each support column are symmetrically distributed; articulated between two shelves poles on every support column of institute have a bearing bar, the bearing bar is "L" form and distributes every erects and is provided with the positioning hole that three groups arc form distribute on the baffle respectively, the positioning hole that every group arc distributes comprises at least three second positioning hole respectively every bearing bar is last to correspond the positioning hole's that three groups arc form distribute position department is provided with the third positioning hole respectively every bearing bar's inboard is provided with a handle respectively.

A connecting rod is arranged between the two stop rods on each supporting column respectively, and the left end of each bearing rod is rotatably connected with the corresponding connecting rod respectively; the middle part of each heavy rod is connected with the corresponding vertical baffle plate through a second positioning bolt.

The utility model discloses a press the montant, including the montant, the bottom plate is pressed to the bottom plate, the bottom plate is pressed to the montant, the horizontal pole is pressed to the bottom plate, the holding ring is formed with the carriage release lever, the right side of pressing the montant bottom is provided with the carriage release lever the parallel arrangement has a press horizontal pole on the montant of pressing of carriage release lever top the upper end of pressing the montant is connected with the handle.

The right end of the moving rod is movably inserted into a groove in the positioning block on the left side of the rectangular through hole, the outer end of the moving rod can move along the groove, and the right end of the moving rod can swing up and down in the groove.

The invention has the following positive beneficial effects:

1. according to the invention, the end positioning assemblies are respectively arranged at the two ends of the base, when the base is used, the base is placed between the two T-beam ends, the rectangular through hole is positioned above the steel strand between the two T-beam ends, and the end positioning assemblies at the two ends of the base are respectively hooked on the steel bar cage corresponding to the T-beam ends, so that the base is positioned, and a worker can conveniently perform the work of penetrating a steel wire on the base.

2. According to the invention, the bearing assemblies are arranged on the two sides of the base, so that workers can freely adjust the height of the bearing rod according to the height of the body, one of the workers stands on the base on the right side of the bearing block, and the bearing rod is held by both hands, so that the condition that the center of gravity of the workers is unstable in operation is avoided.

3. According to the invention, the first limiting vertical plate is arranged at the left end of the rectangular through hole, and the first through hole is formed in the first limiting vertical plate, so that when the pressing rod assembly is used, the right foot of a worker is inserted into the first through hole, and the left foot is stepped on the positioning ring to play a role of compressing the steel strand, thereby avoiding potential safety hazards caused by the fact that the right foot is stepped on the ground when the left foot of the worker moves along with the pressing rod assembly.

4. According to the invention, the pressing rod component is arranged, and the pedal bottom plate and the positioning ring are arranged on the pressing vertical rod, so that the condition that the foot touches the peripheral steel bars or steel strands due to foot treading is avoided when the left foot of a worker treads on the pressing vertical rod, the left foot of the worker is positioned, and the safety of the worker is ensured.

5. The positioning block is provided with the groove, when the steel strand positioning device is used by a worker, one end of the pressing rod is clamped in the groove and moves along the groove, so that the steel strand is penetrated and arranged, when the steel strand positioning device is not used, the pressing rod assembly only needs to be taken out of the groove, the disassembly is convenient, the operation is simple,

description of the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of a base according to the present invention;

FIG. 3 is a schematic view of the push rod assembly of the present invention;

FIG. 4 is a schematic view of the positioning block and the groove of the present invention;

FIG. 5 is a schematic structural view of the end positioning assembly of the present invention;

FIG. 6 is a view of the connection configuration of the load bearing block assembly of the present invention;

FIG. 7 is a state diagram of the present invention in use;

in fig. 7, T1 denotes a left-side T beam, T2 denotes a right-side T beam, B1 denotes an embedded steel bar cage, a denotes a steel strand, and C denotes a bolt.

The specific implementation mode is as follows:

the invention will be further explained and explained with reference to the drawings, in which:

referring to fig. 1-7, a steel strand penetrating safety auxiliary device comprises a bottom 1, a limiting plate 13, a vertical plate 3 and a rectangular bearing block 4, wherein end positioning assemblies 2 are respectively arranged at two ends of a base 1, a first positioning hole 11 is respectively arranged on the base 1 at the inner side of each end positioning assembly 2, the vertical plate 3 is arranged in the middle of the left side of the base 1, and the rectangular bearing block 4 is arranged at the inner side of the vertical plate 3; a rectangular through hole 5 is dug in the middle of the base 1, bearing components are symmetrically arranged on the base 1 on two sides of the left end of the rectangular through hole 5, a first limiting vertical plate 22 is arranged on the base 1 at the left end of the rectangular through hole 5, and a semicircular first through hole 22-1 is dug in the first limiting vertical plate 22; positioning blocks 12 are symmetrically arranged below two sides of the rectangular through hole 5, and an L-shaped groove 12-1 is dug on the inner side surface of each positioning block 12; a pressing rod assembly is arranged between the two positioning blocks 12.

The limiting plate 13 is positioned on the bottom surface of the right base 1 below the rectangular through hole 5.

First spacing riser 22 is located the outside border department of rectangle through-hole 5 left end, and the bottom surface and the base 1 fixed connection of rectangle bearing block 4 are in the same place, and the left surface of rectangle bearing block 4 is in the same place with the medial surface fixed connection of riser 3.

The number of the end positioning assemblies 2 is four, the base 1 on the inner side of each end positioning assembly 2 is respectively provided with a first positioning hole 11, and the four corners of the base 1 are respectively provided with one end positioning assembly; each end positioning component 2 consists of a first L-shaped plate 2-1, a second L-shaped plate 2-2, an end plate 2-3 and a first positioning bolt 2-5 respectively, one end of the first L-shaped plate 2-1 is fixedly connected with the base 1, the other end of the first L-shaped plate 2-1 is hinged with one end of the second L-shaped plate 2-2, one end of the end plate 2-3 is hinged with the other end of the second L-shaped plate 2-2, and a side positioning hole 2-4 is formed in the side face of the second L-shaped plate 2-2; when the positioning device is used, each second L-shaped plate 2-2 is respectively erected on the corresponding embedded steel bar cage, then the first positioning bolts 2-5 penetrate through the end plates 2-3 and the side positioning holes 2-4, and the matched nuts are screwed up to fix the first positioning bolts, so that each end positioning assembly is respectively fixed with the corresponding embedded steel bar cage.

Each bearing assembly consists of a vertical baffle 6, a bearing rod 7, support columns 8, stop rods 9, a handle 10 and a second positioning hole 14, wherein the vertical baffle 6 is vertically arranged on the base at the two sides of the left end of the rectangular through hole 5, the support column 8 is arranged on the base 1 at the left end of the inner side surface of each vertical baffle 6, two stop rods 9 are vertically arranged on each support column 8, the cross section of the top of each stop rod 9 is distributed in an arc shape, and the two stop rods 9 on each support column 8 are symmetrically distributed; the bearing rods 7 are hinged between the two stop rods 9 on each supporting column 8, the bearing rods 7 are distributed in an L shape, three groups of arc-shaped distributed positioning through holes are respectively arranged on each vertical baffle, each group of arc-shaped distributed positioning through holes respectively comprise at least three second positioning through holes 14, third positioning through holes 15-1 are respectively arranged at positions, corresponding to the three groups of arc-shaped distributed positioning through holes, on each bearing rod 7, and a handle 10 is respectively arranged on the inner side of each bearing rod 7.

A connecting rod 9-1 is respectively arranged between the two stop rods 9 on each supporting column 8, and the left end of each bearing rod 7 is respectively and rotatably connected with the corresponding connecting rod 9-1; the middle part of each heavy rod 7 is respectively connected with the corresponding vertical baffle 6 through a second positioning bolt 15; that is, when each bearing rod 7 is adjusted in position by swinging up and down, the bearing rod 7 and the vertical baffle 6 are fixed by sequentially passing through the third positioning through hole 15-1 arranged on the bearing rod 7 and the second positioning through hole 14 arranged on the vertical baffle 6 through the second positioning bolt 15 and screwing the matched nut.

The pressing rod assembly comprises a handle 16, a pressing vertical rod 17, a pedal bottom plate 19, a pressing cross rod 20, a positioning ring 18 and a moving rod 21, the moving rod 21 is arranged on the right side of the bottom of the pressing vertical rod 17, the pressing cross rod 20 is arranged on the pressing vertical rod 17 above the moving rod 21 in parallel, the handle 16 is connected to the upper end of the pressing vertical rod 17, the bottom surface of the pedal bottom plate 19 is fixedly connected with the intersection of the pressing cross rod 20 and the pressing vertical rod 17, and the positioning ring 18 is arranged on the pedal bottom plate 19.

The right end of the moving rod 21 is movably inserted in a groove 12-1 on the positioning block 12 at the left side of the rectangular through hole 5, the outer end of the moving rod 21 can move along the groove 12-1, and the right end of the moving rod 21 can swing up and down in the groove 12-1.

In the above, the rectangular through hole 5 actually causes a rectangular hole to be dug in the base 1.

The working principle is as follows:

referring to fig. 7, in use:

1) respectively hooking and fixing the end positioning components 2 at the two ends of the base 1 with the embedded steel bar cage B1 at the corresponding positions, respectively drilling a positioning hole at the position corresponding to the T beam in each first positioning hole 11, and respectively inserting bolts into the first positioning holes 11 and the positioning holes on the corresponding T beams to position the base 1;

2) arranging a worker B on the left T-beam, arranging a worker A on the right T-beam, adjusting the height of the bearing rod 7 by the worker B according to the height of the worker B, and fixing the bearing rod 7 and the vertical baffle 6 together through a second positioning bolt 15; a worker B stands on the base 1 on the right side of the bearing block, the right foot of the worker B is clamped in the first through hole 22-1 in the first limiting vertical plate 22, and two hands of the worker B respectively hold the handle 10 at the front end of the bearing rod 7 or on the inner wall of the bearing rod 7 to prepare for the penetration of steel strands;

3) meanwhile, in the pressing rod assembly, the right end of the moving rod 21 in the pressing rod assembly is clamped in the groove 12-1 of the positioning block at the left end of the rectangular through hole, 12-A in the figure 4 indicates a groove inlet, the right end of the moving rod 21 enters the groove along the groove inlet, and the steel strand between T1 and T2 is clamped between the moving rod 21 and the pressing cross rod 20, namely the moving rod 21 is positioned below the steel strand, the pressing cross rod 20 is positioned above the steel strand, and the worker A prepares for inserting the steel strand;

4) staff A and B ready for work, in staff B is stepped into holding ring 18 with left foot, staff B tramples down and presses the depression bar subassembly, and handle 16 pushes down through staff A, presses the depression bar subassembly to compress tightly on the steel strand this moment, then staff B's left foot is with power to T2 direction promotion depression bar subassembly, and staff A draws the steel strand to T2 direction simultaneously to realize the local stretch-draw operation of steel strand.

5) And when the pressing rod assembly moves to the front end of the T2 beam, the left foot of the worker retracts, the pressing rod assembly moves to the steel strand on the right side of the T1 again, and the steps in the step 4) are repeated.

6) Through setting up riser 3 and bearing block 4, when staff B is tired, can sit rest on the bearing block, perhaps according to the on-the-spot condition, the staff can half sit on the bearing block, only needs the left foot to step on the holding ring, steps on the pressure to the steel strand wires to along with the steel strand wires remove can, alleviateed staff's burden.

In the local stretch-draw of bridge before, staff B can appear the sole and skid, step on the condition empty or dislocation when stepping on the depression bar subassembly, and serious person, staff's foot can touch on pre-buried reinforcing bar all around, perhaps staff's foot steps on empty, and whole health focus can fall forward, and is careless a little, can bring the potential safety hazard for the staff.

The end positioning assembly is arranged, so that the base is fixed; by arranging the bearing assembly, the situation that the center of gravity is unstable when a worker inserts the steel strand is avoided; through setting up the push rod subassembly, can wear to establish or stretch-draw operation, convenient to use, easy operation has improved holistic security fast to the steel strand wires that the bridge carries on partially.

Claims (8)

1. The utility model provides a safety auxiliary assembly is worn to establish by steel strand wires, includes bottom (1), limiting plate (13), riser (3) and rectangle bearing block (4), its characterized in that: end positioning assemblies (2) are respectively arranged at two ends of the base (1), a first positioning hole (11) is respectively arranged on the base (1) at the inner side of each end positioning assembly (2), a vertical plate (3) is arranged in the middle of the left side of the base (1), and a rectangular bearing block (4) is arranged at the inner side of the vertical plate (3); a rectangular through hole (5) is dug in the middle of the base (1), bearing components are symmetrically arranged on the base (1) on two sides of the left end of the rectangular through hole (5), a first limiting vertical plate (22) is arranged on the base (1) on the left end of the rectangular through hole (5), and a semicircular first through hole (22-1) is dug in the first limiting vertical plate (22); positioning blocks (12) are symmetrically arranged below two sides of the rectangular through hole (5), and L-shaped grooves (12-1) are respectively dug on the inner side surface of each positioning block (12); a pressing rod component is arranged between the two positioning blocks (12).

2. The steel strand penetrating safety auxiliary device of claim 1, wherein: the limiting plate (13) is positioned on the bottom surface of the right base (1) below the rectangular through hole (5).

3. The steel strand penetrating safety auxiliary device of claim 1, wherein: first spacing riser (22) are located the outside border department of rectangle bearing block (4) right side rectangle through-hole (5) left end, the bottom surface and base (1) fixed connection of rectangle bearing block (4) are in the same place, the left surface of rectangle bearing block (4) is in the same place with the medial surface fixed connection of riser (3).

4. The steel strand penetrating safety auxiliary device of claim 1, wherein: the number of the end positioning assemblies (2) is four, a first positioning hole (11) is formed in the base (1) on the inner side of each end positioning assembly (2), and end positioning assemblies are arranged at four corners of the base (1); each end positioning assembly (2) is composed of a first L-shaped plate (2-1), a second L-shaped plate (2-2), an end plate (2-3) and a first positioning bolt (2-5), one end of the first L-shaped plate (2-1) is fixedly connected with the base (1), the other end of the first L-shaped plate (2-1) is hinged with one end of the second L-shaped plate (2-2), one end of the end plate (2-3) is hinged with the other end of the second L-shaped plate (2-2), and a side positioning hole (2-4) is formed in the side face of the second L-shaped plate (2-2).

5. The steel strand penetrating safety auxiliary device of claim 1, wherein: each bearing assembly consists of a vertical baffle plate (6), a bearing rod (7), support columns (8), stop rods (9), a handle (10) and a second positioning hole (14), the vertical baffle plates (6) are respectively and vertically arranged on the bases on the two sides of the left end of the rectangular through hole (5), the support columns (8) are respectively arranged on the base (1) on the left end of the inner side of each vertical baffle plate (6), two stop rods (9) are respectively and vertically arranged on each support column (8), the cross section of the top of each stop rod (9) is distributed in an arc shape, and the two stop rods (9) on each support column (8) are symmetrically distributed; articulated between two shelves pole (9) on every support column (8) at here have bearing bar (7), bearing bar (7) are "L" form and distribute every erect and be provided with the positioning hole that three groups arc form distribute on baffle (6) respectively, the positioning hole that every group arc distributes comprises at least three second positioning hole (14) respectively every bearing bar (7) is gone up the position department that corresponds the positioning hole that three groups arc form distribute and is provided with third positioning hole (15-1) respectively the inboard of every bearing bar (7) is provided with a handle (10) respectively.

6. The steel strand penetrating safety auxiliary device of claim 1, wherein: a connecting rod (9-1) is arranged between the two stop rods (9) on each supporting column (8), and the left end of each bearing rod (7) is rotatably connected with the corresponding connecting rod (9-1) respectively; the middle part of each heavy rod (7) is connected with the corresponding vertical baffle (6) through a second positioning bolt (15).

7. The steel strand penetrating safety auxiliary device of claim 1, wherein: the utility model discloses a press the pole subassembly by handle (16), press montant (17), pedal bottom plate (19), press horizontal pole (20), holding ring (18) and carriage release lever (21) to constitute, the right side of pressing montant (17) bottom is provided with carriage release lever (21) parallel arrangement is gone up in pressing montant (17) of carriage release lever (21) top has presses horizontal pole (20) the upper end of pressing montant (17) is connected with handle (16), the bottom surface of pedal bottom plate (19) is in the same place with the cross section fixed connection who presses horizontal pole (20) and presses montant (17) be provided with holding ring (18) on pedal bottom plate (19).

8. The steel strand piercing safety auxiliary device of claim 7, characterized in that: the right end of the moving rod (21) is movably inserted into a groove (12-1) on a left positioning block (12) of the rectangular through hole (5), the outer end of the moving rod (21) can move along the groove (12-1), and the right end of the moving rod (21) can swing up and down in the groove (12-1).

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