CN216663821U

CN216663821U - Positioning device for quickly positioning center of steel casing

Info

Publication number: CN216663821U
Application number: CN202122563900.5U
Authority: CN
Inventors: 温东昌; 曾柯林; 熊刚; 陈杰; 卢晓亮
Original assignee: Road and Bridge South China Engineering Co Ltd
Current assignee: Road and Bridge South China Engineering Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-06-03
Anticipated expiration: 2031-10-22

Abstract

The utility model provides a positioner at a quick location steel protects a center, protects a locating rack at center including being used for erectting to the steel, the locating rack is including alternately being fixed in many locating levers a bit, and the frock center of locating rack is located the cross section between the locating lever, and the both ends of locating lever are equipped with the scale mark that plays the measurement effect respectively, and the stop device who protects a section of thick bamboo with the locating rack is fixed in the steel is installed respectively to the both ends of locating lever. Through adopting above-mentioned technical scheme, have and protect a center to the steel and carry out quick location, promoted a center measuring accuracy of steel protecting simultaneously.

Description

Positioning device for quickly positioning center of steel casing

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of bridge construction measurement, in particular to a positioning device for quickly positioning the center of a steel casing.

[ background of the utility model ]

Bridges are usually erected on certain special terrains and traffic occasions to connect two different places; for example, a sea bridge is a building constructed to connect lands crossing both ends of a straight line of the sea, and it is necessary to construct piers in water or between mountains at a predetermined interval in order to support bridge bodies more effectively. Then, in order to ensure the perpendicularity and the accurate construction position of the pier body and ensure the concrete forming quality, a pier protecting cylinder is usually installed at a designed position, and then pouring operation is performed in the protecting cylinder.

After the construction of the steel casing is completed, constructors need to quickly and effectively determine the center of the steel casing so as to meet the design requirements. The traditional method includes that after a pile casing is buried, the center of the pile casing is estimated by eyes, a batten is placed in the center of the pile casing, a centering rod is placed on the batten, circular bubbles on the centering rod are leveled, lofting is conducted through a total station, the centering rod is commanded to move left and right on the batten until measured data meet design requirements, then marks are made on the batten, finally the actual center of the pile casing is measured by a steel tape along two directions perpendicular to the surface of the pile casing, the actual center is compared with the measured marks on the batten, if the deviation does not meet the requirements, the position of the pile casing is readjusted according to the deviation direction, and after the adjustment is finished, the steps are repeated until the actual center position of the pile casing meets the design requirements after being compared with the lofting marks on the batten.

[ Utility model ] content

To the not enough of prior art existence, the aim at of this application provides the positioner who fixes a position steel fast and protect a center, has and protects a center to the steel and fix a position fast, has promoted a central measuring accuracy of steel fender simultaneously.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a positioner at a quick location steel protects a center, includes and is used for erectting the locating rack to the steel protects a section of thick bamboo, the locating rack is including alternately being fixed in many locating levers a bit, the frock center of locating rack is located cross section between the locating lever, the both ends of locating lever are equipped with the scale mark that plays the measurement effect respectively, install respectively at the both ends of locating lever will the locating rack is fixed in the stop device of a steel protects a section of thick bamboo.

The utility model is further configured to: and the two positioning rods are fixed in a crossed manner.

The utility model is further configured to: the direction of the scale mark is consistent with the longitudinal direction of the positioning rod.

The utility model is further configured to: waist-shaped holes are formed in two ends of the positioning rod respectively, and the trend of each waist-shaped hole is consistent with the longitudinal direction of the positioning rod.

The utility model is further configured to: the through direction of the waist-shaped hole is vertically arranged on the positioning rod.

The utility model is further configured to: the limiting device comprises a limiter moving along the axial direction of the positioning rod, and the movement range of the limiter on the positioning rod covers the length range of the waist-shaped hole.

The utility model is further configured to: the top end of the limiting stopper is provided with a through hole, and when the limiting stopper is sleeved on the positioning rod, the projection area of the waist-shaped hole in the vertical direction covers the projection area of the through hole in the vertical direction.

The utility model is further configured to: the stopper is including the tight nut of screwing up and the screw rod of screwing up of supporting setting, the bottom of screwing up the screw rod passes the through-hole with waist shape hole extends to the below of stopper, it locates to screw up the cooperation of nut the below setting of screw rod.

The utility model is further configured to: when the position limiters are in place, the scales of the scale marks at which the positions of the four groups of position limiters are located are arranged in a consistent way.

The utility model is further configured to: after the limiting devices are in place, the four groups of limiting devices are arranged on the same side of the steel casing, the limiting devices are abutted against the steel casing, and the tightening screw rods and the tightening nuts are matched to limit the movement of the limiting devices on the positioning rods.

The utility model is further configured to: one side wall of the limiting stopper is connected with a pay-off rack which is arranged in a U shape.

The utility model is further configured to: the opening orientation of pay off rack is established to vertical setting down, the height that highly is higher than steel of pay off rack opening bottom protects a top.

The utility model is further configured to: the width of the opening of the pay-off rack is less than 3 mm.

Compared with the prior art, the utility model has the following advantages:

1. the scale marks playing a measuring role are respectively arranged at the two ends of the positioning rod, the scale marks are aligned with the outer edge of the steel casing, the same scale values of the scale marks on the four sides of the positioning frame are aligned with the outer edge of the top end of the steel casing until the distance from any end of the positioning rod to the center of the tool is equal, the center of the tool of the positioning frame and the center of the steel casing are gradually arranged correspondingly, the center of the steel casing is determined through the positioning frame, a worker does not need to repeatedly measure and position through a tape measure, the positioning efficiency of the center of the steel casing is improved, the center of the steel casing is quickly positioned, and the accuracy of the measurement of the center of the steel casing is improved;

2. the pay-off rack is connected to one side wall of the limiting stopper in a U-shaped manner, and can guide the marking line, so that workers can mark the center of the steel casing conveniently; meanwhile, the marking line is prevented from deviating in the horizontal direction, and the accuracy of the center of the steel casing is further influenced.

[ description of the drawings ]

FIG. 1 is a general structure diagram of the first embodiment;

fig. 2 is a schematic structural view of the limiting device of the present embodiment.

Reference numerals: 1. a steel casing; 2. a stopper; 3. scale lines; 4. a through hole; 5. a waist-shaped hole; 6. positioning a rod; 7. a positioning frame.

[ detailed description ] embodiments

The present invention is further described with reference to the drawings and the exemplary embodiments, wherein like reference numerals are used to refer to like elements throughout. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.

Example one

As shown in fig. 1 and 2, the positioning device for quickly positioning the center of a steel casing disclosed by the utility model comprises a positioning frame 7 for erecting the steel casing 1, wherein the positioning frame 7 comprises a plurality of positioning rods 6 which are fixed at one point in a crossed manner, the tooling center of the positioning frame 7 is positioned at the crossed position between the positioning rods 6, and two ends of each positioning rod 6 are respectively provided with a limiting device for fixing the positioning frame 7 to the steel casing 1. Through being equipped with scale mark 3 that plays the measurement effect respectively at the both ends of locating lever 6, with the same scale interval of locating rack 7 four sides scale mark 3 with the steel protect the top outside edge of a section of thick bamboo 1 and align the setting, and then adjust the frock center of locating rack 7 to the center of a steel protect a section of thick bamboo 1, the center of a section of thick bamboo 1 is protected to present high efficiency, high accuracy, the quick location steel.

In this embodiment, the positioning frame 7 is composed of two positioning rods 6 perpendicular to each other, the positioning rods 6 are in a long strip shape, the length and the width between the two positioning rods 6 are the same, the length of the positioning rod 6 is larger than the diameter of the steel casing 1, and the two positioning rods 6 are fixed in a cross shape.

The scale marks 3 are positioned in the outer side wall of the positioning rod 6, the bottom ends of the scale marks 3 are aligned with the bottom end of the positioning rod 6, the scales of the scale marks 3 correspond to the outer edge of the steel casing 1, and the accuracy of the center of the steel casing 1 is improved; the top of scale mark 3 extends to the up end of locating lever 6, and the staff of being convenient for observes, and scale mark 3 uses 0 scale mark 3 as the starting point, and wherein, the trend of scale mark 3 is unanimous with the lengthwise direction of locating lever 6 and is set up mutually.

Waist shape hole 5 has been seted up respectively at the both ends of locating lever 6, and the trend in waist shape hole 5 sets up with the lengthwise direction of locating lever 6 is unanimous, and the direction of running through of waist shape hole 5 is vertical setting on locating lever 6, and the length in waist shape hole 5 and the axial direction length of scale mark 3 set up the same, aligns the setting between the top in waist shape hole 5 and the top of scale mark 3, aligns the setting between the end in waist shape hole 5 and the end of scale mark 3.

Stop device is including the stopper 2 along the 6 axial direction movements of locating lever, and the shape of stopper 2 is established to the cuboid structure, and the outer terminal surface of stopper 2 is offered and is used for the spacing hole that locating lever 6 penetrated, and stopper 2 range of motion covers the length scope in waist shape hole 5 on locating lever 6. Through-hole 4 has been seted up to the top intermediate position of stopper 2, and the upper and lower both ends of through-hole 4 run through the upper and lower terminal surface of stopper 2 respectively. When the position limiter 2 is sleeved on the positioning rod 6, the projection area of the waist-shaped hole 5 in the vertical direction covers the projection area of the through hole 4 in the vertical direction.

Stopper 2 is including the tight nut of screwing up and the screw rod of screwing up of supporting setting, the diameter of screwing up the screw rod is less than through-hole 4's internal diameter and waist shape hole 5's width aperture respectively, the bottom of screwing up the screw rod is passed through-hole 4 and waist shape hole 5 and is prolonged to the below of stopper 2, screw up nut threaded connection in the below setting of screwing up the screw rod, restriction stopper 2's motion range, avoid stopper 2 to drop at installation or dismantlement in-process, the staff of being convenient for installs and dismantles locating rack 7.

After the position limiters 2 are in place, the scales of the scale marks 3 at the positions of the four groups of position limiters 2 are arranged in a consistent way, and the four groups of position limiters 2 are arranged on the same side of the steel casing 1.

When four sets of limiters 2 all located the outside of a steel casing 1, looks butt between the interior terminal surface bottom of limiter 2 and the lateral surface of a steel casing 1, screw up the screw rod and screw up the nut and both cooperate the motion of restriction stopper 2 on locating lever 6, at this moment, the looks butt setting between the up end of screwing up the nut and the lower terminal surface of stopper 2, not only played and pressed from both sides between stopper 2 and locating lever 6 as an organic whole, be fixed in locating rack 7 on the up end of a steel casing 1 simultaneously, promote the stability to a steel casing 1 central positioning process.

The working conditions and principles of the embodiment are as follows:

the method comprises the steps of determining the excavation position of a pile foundation in a construction site, carrying out lofting marking on the position of a preset pile foundation, excavating a foundation pit at the position of the preset pile foundation, inserting a steel casing 1 into the foundation pit, backfilling soil into the foundation pit at the periphery of the steel casing 1, enabling the steel casing 1 to be in place and completed, and enabling the top end of the steel casing 1 to be at least 300mm higher than the ground after the steel casing 1 is installed.

The limiting device 2 is sleeved at two ends of the positioning rod 6 respectively, the tightening screw rods are installed in the limiting device 2, the bottom ends of the tightening screw rods penetrate through the through holes 4 and the waist-shaped holes 5 to extend to the lower portion of the limiting device 2, the tightening nuts are installed below the tightening screw rods, and the movement range of the limiting device 2 is limited within the length range of the waist-shaped holes 5 through the tightening screw rods.

Then place locating rack 7 on the top of a steel casing 1, with the same scale of locating rack 7 four sides scale mark 3 with the top outside of a steel casing 1 align the setting, simultaneously with stopper 2 the inside wall remove to with the steel casing 1 the lateral wall looks butt, then the rotatory nut of screwing up for it is fixed with stopper 2 and locating lever 6 with the cooperation of the screw rod of screwing up to screw up the nut, repeat above-mentioned operation to other stopper 2 one by one, the completion is fixed in the top of a steel casing 1 with locating rack 7.

Example two

The difference between this embodiment and the first embodiment is: a side wall fixedly connected with of stopper 2 is the pay off rack of U-shaped setting, and the opening orientation of pay off rack is established to vertical setting downwards, and the width that the opening of pay off rack was established is less than 3mm, and the height that highly is higher than 1 top of steel casing of pay off rack opening bottom is convenient for the staff unwrapping wire location. The pay-off rack can play a role in guiding the marking line, so that workers can mark the center of the steel casing 1 conveniently; meanwhile, the marking line is prevented from deviating in the horizontal direction, and the accuracy of the center of the steel casing 1 is further influenced.

The working conditions and principles of the embodiment are as follows:

after the positioning device is installed, the center position of the steel casing 1 is determined through the tooling center of the positioning frame 7, the center of the steel casing 1 is paid off and positioned, the marking lines respectively penetrate through the opposite pay-off frames, the steel casing 1 is arranged in a cross shape above the steel casing 1, the center of the steel casing 1 is determined above the steel casing 1 through the marking lines, then the screwing nuts are unscrewed, the movement limitation of the limiting device 2 on the positioning rod 6 is removed, the limiting device 2 can move along one end, far away from the steel casing 1, of the waist-shaped hole 5, the removing operation is repeated on other limiting devices 2, the limitation of the positioning frame 7 is removed, the positioning frame 7 is lifted vertically upwards, the positioning device is taken out from the top end of the steel casing 1, the marking confirmation of the center of the steel casing 1 is completed, and the efficiency of the center retesting of the steel casing 1 is improved.

Some exemplary embodiments of the present invention will be appreciated by those skilled in the art that changes may be made in these exemplary embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a positioner at a quick location steel protects a center which characterized in that: including being used for erectting locating rack (7) to steel protects a section of thick bamboo (1), locating rack (7) are including alternately being fixed in many locating levers (6) of a bit, the frock center of locating rack (7) is located cross section between locating lever (6), the both ends of locating lever (6) are equipped with scale mark (3) that play the measurement effect respectively, install respectively at the both ends of locating lever (6) will locating rack (7) are fixed in the stop device of steel protects a section of thick bamboo (1).

2. The positioning device for quickly positioning the center of the steel casing according to claim 1, wherein: the two positioning rods (6) are fixed in a crossed manner.

3. The positioning device for quickly positioning the center of the steel casing according to claim 1, wherein: the trend of the scale marks (3) is consistent with the longitudinal direction of the positioning rod (6).

4. The positioning device for quickly positioning the center of the steel casing according to claim 1, wherein: waist-shaped holes (5) are respectively formed in two ends of the positioning rod (6), and the trend of the waist-shaped holes (5) is consistent with the longitudinal direction of the positioning rod (6).

5. The positioning device for quickly positioning the center of the steel casing according to claim 4, wherein: the penetrating direction of the waist-shaped hole (5) is vertically arranged on the positioning rod (6).

6. The positioning device for quickly positioning the center of the steel casing according to claim 5, wherein: the limiting device comprises a limiting device (2) moving along the longitudinal direction of the positioning rod (6), and the movement range of the limiting device (2) on the positioning rod (6) covers the length range of the waist-shaped hole (5).

7. The positioning device for quickly positioning the center of the steel casing according to claim 6, wherein: through-hole (4) have been seted up on the top of stopper (2), work as stopper (2) cover is located when locating lever (6), waist shape hole (5) cover in the projection area of vertical direction through-hole (4) in the projection area of vertical direction.

8. The positioning device for rapidly positioning the center of the steel casing according to claim 7, wherein: stopper (2) including the supporting nut of screwing up that sets up with screw up the screw rod, the bottom of screwing up the screw rod is passed through-hole (4) with waist shape hole (5) extend out extremely the below of stopper (2), it locates to screw up the cooperation of nut the below setting of screw up the screw rod.

9. The positioning device for rapidly positioning the center of the steel casing according to claim 8, wherein: after the position limiters (2) are in place, the scales of the scale marks (3) at which the positions of the four groups of position limiters (2) are located are arranged in a consistent manner.

10. The positioning device for quickly positioning the center of the steel casing according to claim 9, wherein: after the limiting devices (2) are in place, the four groups of limiting devices (2) are arranged on the same side of the steel casing (1), the limiting devices (2) are abutted to the steel casing (1), and the tightening screw rods and the tightening nuts are matched to limit the movement of the limiting devices (2) on the positioning rods (6).

11. The positioning device for rapidly positioning the center of the steel casing according to claim 10, wherein: and a pay-off rack which is arranged in a U shape is connected to one side wall of the limiting stopper (2).

12. The positioning device for rapidly positioning the center of the steel casing according to claim 11, wherein: the opening orientation of the pay-off rack is set to be vertical and downward, and the bottom end of the opening of the pay-off rack is higher than the top end of the steel casing (1).

13. The positioning device for quickly positioning the center of the steel casing according to claim 12, wherein: the width of the opening of the pay-off rack is less than 3 mm.