CN212515063U

CN212515063U - High-altitude installation positioning device for supporting legs of electromagnetic particle detector

Info

Publication number: CN212515063U
Application number: CN202021484265.0U
Authority: CN
Inventors: 李宇舟; 周曦; 蓝天; 刘春�; 刘佳; 郑云德; 李阳; 黄静; 吴月; 阳键
Original assignee: China Huashi Enterprises Co Ltd
Current assignee: China Huashi Enterprises Co Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-09
Anticipated expiration: 2030-07-24

Abstract

The utility model provides a high-altitude installation positioning device for supporting legs of an electromagnetic particle detector, which comprises a positioning frame, wherein a guide sleeve is arranged on the positioning frame, a first supporting piece and a second supporting piece are arranged at the top of the positioning frame, a first flexible lifting rope is arranged on the first supporting piece, a first counter weight is arranged at the lower end of the first flexible lifting rope, a first calibration piece is arranged below the first supporting piece, and a first calibration scale is arranged on the side surface of the first calibration piece; the second support piece is provided with a second flexible lifting rope, the lower end of the second flexible lifting rope is provided with a second balance weight, a second calibration piece is arranged below the second support piece, and a second calibration scale is arranged on the side face of the second calibration piece. In the work progress, carry out the verticality through first calibration piece and second calibration piece and detect the locating rack, can in time carry out the adjustment of locating rack levelness when the slope appears to avoid the steel pipe inclination more and more big, guarantee the verticality of steel pipe.

Description

High-altitude installation positioning device for supporting legs of electromagnetic particle detector

Technical Field

The utility model belongs to the technical field of electromagnetic particle detector installation and construction technique and specifically relates to an electromagnetic particle detector supporting leg high altitude installation positioner.

Background

The high-altitude cosmic ray observation station (LHAASO for short) is a national important scientific and technological infrastructure established in the twelve-five period of China, and the device comprises an electromagnetic particle detector (ED) array, a Muon Detector (MD) array, a Water Cerenkov Detector Array (WCDA), a wide-angle Cerenkov telescope array (WFCTA) and the like. The main scientific targets are to explore the origin of high-energy cosmic rays and develop the research on related cosmic evolution, high-energy celestial body evolution and dark substances. The project was located in a high altitude area with an average altitude of 4410 meters, requiring 5242 ED (electromagnetic particle detector) devices to be deployed on the ground. According to investigation, the area is an ancient ice body vestige area and is in a high-altitude fault broken zone, the soil is a sand and stone land, a site sand and stone layer is thick, more rocks are contained, the snow accumulation period is long, the temperature is low, high cold and anoxic conditions exist, the freezing period is long, the seasonal frozen soil depth is large (the frozen soil depth in winter reaches 1.67m), and a defense area is arranged for 8-degree earthquake. Meanwhile, due to the limitation of construction funds, the conventional treatment method of firstly digging out the sludge of the wetland below the electromagnetic particle detector arranged at the wetland and then arranging the concrete buttress cannot be adopted for the electromagnetic particle detector arranged at the wetland part. Because the owner controls the investment fund, the electromagnetic particle detector adopts a simple installation mode that only 4 galvanized steel pipes with the outer diameter phi 51 are arranged below each electromagnetic particle detector to make a detector supporting leg, and then the 4 supporting legs are driven into the soil such as the wetland and the like to take root simply. According to the design requirement, the error of the vertical central points of the 4 steel pipes is required to be controlled to be 3mm, and the steel pipes are kept vertical as much as possible.

The conventional method at present adopts a mode of piling a pile foundation in the building engineering, namely, the lower half part of a steel pipe with the outer diameter phi 51 is vertically driven into the ground one by an electric hammer; and then horizontally cutting the 4 pipelines at the installation height of the detector to ensure that the height of the top of the cut pipeline is consistent with the installation height of the detector, and then installing the detector base on the 4 steel pipes. However, in the conventional piling method of the engineering of the 'supporting leg', piles are independently piled on each pile, the inclination of each pile is inconsistent, and the center distance error between the piled steel pipes (4 steel pipes are in a group) cannot meet the control requirement of an owner within 3mm precision.

The utility model discloses an application number is 201911007749.8's utility model patent application discloses a first method jacket pile driving location guider of negative pressure cylinder, including the locating rack, fixed 4 guide pile covers on the locating rack, during the pile, utilize 4 guide pile covers to fix a position 4 steel pipes, guarantee the position precision of 4 steel pipes. However, in the process of piling, the positioning frame may incline, so that the steel pipe inclines, and the construction quality is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a high altitude of electromagnetism particle detector supporting leg installation positioner is provided, can guarantee the position precision of steel pipe pile, and can survey in real time whether the steel pipe inclines in the work progress, can in time adjust when the steel pipe inclines to guarantee the vertical degree of steel pipe.

The utility model provides a technical scheme that its technical problem adopted is: the high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector comprises a positioning frame, wherein a vertical guide sleeve is arranged on the positioning frame, a first supporting piece and a second supporting piece are arranged at the top of the positioning frame, a first flexible lifting rope is arranged on the first supporting piece, a first counter weight is arranged at the lower end of the first flexible lifting rope, a first calibration piece is arranged below the first supporting piece, and a first calibration scale is arranged on the side surface of the first calibration piece; the flexible lifting rope of second is provided with on the second support piece, and the lower extreme of the flexible lifting rope of second is provided with the second counter weight, and the below of second support piece is provided with the second calibration piece, and the side of second calibration piece is provided with the second calibration scale, and the side perpendicular to second calibration scale place side at first calibration scale place.

Further, the locating rack comprises an upper frame and a lower frame, and the upper frame is connected with the lower frame through a vertical connecting beam.

Furthermore, the upper frame and the lower frame both comprise rectangular frames surrounded by 4 cross beams, and a reinforcing beam is arranged between every two adjacent cross beams.

Furthermore, the uide bushing includes 4 upper guide bushings and 4 lower uide bushings, and 4 upper guide bushings are fixed in the upper frame, and 4 lower uide bushings are fixed in the underframe, and every lower uide bushing and an upper uide bushing coaxial arrangement.

Furthermore, the bottom of the positioning frame is provided with a plurality of supporting legs with adjustable length.

Furthermore, the lower end of the supporting leg is provided with a base plate, and the supporting leg is connected with the base plate through a universal joint.

Further, be provided with a plurality of vertical thread bushings on the locating rack, the supporting legs is the threaded rod, the upper end and the thread bushing screw-thread fit of threaded rod, lower extreme are provided with the connection ball, the upper surface of backing plate is provided with the connecting seat, be provided with spherical groove on the connecting seat, connect the ball be located spherical groove and with spherical groove sliding fit, the notch of spherical groove is provided with the gland, the universal joint is constituteed to gland, connection ball and connecting seat.

Furthermore, the uide bushing includes fixed clamp plate and activity clamp plate, the section of fixed clamp plate and activity clamp plate all is semicircle annular, fixed clamp plate welds on the locating rack, one side of activity clamp plate is articulated with fixed clamp plate, and the opposite side passes through the locating pin and links to each other with fixed clamp plate.

Further, the first supporting piece, the first calibrating piece, the second supporting piece and the second calibrating piece are all L-shaped plates welded on the side face of the positioning frame.

The utility model has the advantages that: utilize a plurality of uide bushings to fix a position 4 steel pipes, guarantee that the horizontal distance between 4 steel pipes satisfies the design requirement. In the work progress, carry out the levelness through first calibration piece and second calibration piece and detect the locating rack, can in time adjust when the slope appears in the locating rack to avoid the steel pipe inclination more and more big, guarantee the verticality of steel pipe.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the sleeve;

FIG. 3 is a cross-sectional schematic view of the support foot;

reference numerals: 10-a positioning frame; 11-an upper frame; 12-a lower frame; 13-connecting the beams; 14-a reinforcing beam; 15-supporting feet; 16-a backing plate; 17-a universal joint; 18-a threaded sleeve; 19-connecting balls; 110-a connecting seat; 111-a gland; 20, a guide sleeve; 21-fixing the pressure plate; 22-a movable platen; 23-a positioning pin; 30 — a first support; 31 — a first flexible lifting rope; 32 — a first calibration piece; 33 — a first counterweight; 40-a second support member; 41-a second flexible lifting rope; 42 — a second calibration piece; 43-second counterweight.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in FIG. 1, FIG. 2 and FIG. 3, the high-altitude installation positioning device for the supporting legs of the electromagnetic particle detector of the present invention comprises a positioning frame 10, wherein a vertical guiding sleeve 20 is arranged on the positioning frame 10. A first supporting member 30 and a second supporting member 40 are arranged at the top of the positioning frame 10, a first flexible lifting rope 31 is arranged on the first supporting member 30, a first counter weight 33 is arranged at the lower end of the first flexible lifting rope 31, a first calibrating member 32 is arranged below the first supporting member 30, and a first calibrating scale is arranged on the side surface of the first calibrating member 32; the second support member 40 is provided with a second flexible lifting rope 41, the lower end of the second flexible lifting rope 41 is provided with a second counterweight 43, the lower part of the second support member 40 is provided with a second calibration piece 42, the side surface of the second calibration piece 42 is provided with a second calibration scale, and the side surface of the first calibration scale is perpendicular to the side surface of the second calibration scale.

The positioning frame 10 adopts a frame body with high strength for fixing the guide sleeve 20, and the guide sleeve 20 can be welded on the positioning frame 10 or can be installed on the positioning frame 10 through bolts and the like. The guide sleeves 20 are used for guiding and positioning the steel pipes, and the position accuracy of 4 steel pipes during construction can be ensured by controlling the position and the size accuracy among the guide sleeves 20.

The positioning frame 10 can adopt various existing frame bodies, and preferably, the positioning frame 10 comprises an upper frame 11 and a lower frame 12, wherein the upper frame 11 is connected with the lower frame 12 through a vertical connecting beam 13. Specifically, the upper frame 11 and the lower frame 12 each include a rectangular frame surrounded by 4 cross beams, and a reinforcing beam 14 is disposed between two adjacent cross beams. The cross beams, the connecting beams 13 and the reinforcing beams 14 can be made of channel steel, I-shaped steel, rectangular steel and other profiles. The positioning frame 10 with the structure is a statically indeterminate structure in structural mechanics, has high strength and stable structure, and is favorable for accurately positioning the steel pipe.

Whether slope appears in order to monitor the locating rack 10 in real time in the work progress to guarantee that the steel pipe squeezes into the underground vertically, the utility model discloses set up two sets of real-time supervision subassemblies, first flexible lifting rope 31 and the flexible lifting rope 41 of second can adopt cotton rope, rope made of hemp etc. first counter weight 33 and second counter weight 43 can adopt iron ball or conical iron plate etc.. The specific working principle is as follows: the first flexible lifting rope 31 can be in a vertical state by the first balance weight 33, and the second flexible lifting rope 41 can also be in a vertical state by the second balance weight 43, and when the positioning frame 10 is kept horizontal, the first flexible lifting rope 31 should be located at 0-th scale line of the first calibration scale, and at the same time, the second flexible lifting rope 41 should be located at 0-th scale line of the second calibration scale. The side where the first calibration scale is located is perpendicular to the side where the second calibration scale is located, that is, the first supporting member 30 and the first calibration member 32 can be disposed on one side of the rectangular frame, and the second supporting member 40 and the second calibration member 42 are disposed on the adjacent side, so that when the first flexible lifting rope 31 should be located at the 0-scale mark of the first calibration scale and the second flexible lifting rope 41 should be located at the 0-scale mark of the second calibration scale, the positioning frame 10 is in a horizontal state, and when the positioning frame 10 is inclined, at least one of the first flexible lifting rope 31 and the second flexible lifting rope 41 deviates from the corresponding 0-scale mark, the positioning frame 10 can be adjusted according to the deviated distance and direction, so that the positioning frame 10 is in a horizontal state again.

The number of the guide sleeves 20 may be 4 or 8, and as a preferred embodiment, the guide sleeves 20 include 4 upper guide sleeves and 4 lower guide sleeves, the 4 upper guide sleeves are fixed to the upper frame 11, the 4 lower guide sleeves are fixed to the lower frame 12, and each lower guide sleeve is coaxially disposed with one upper guide sleeve. The lower guide sleeve and the upper guide sleeve which are coaxially arranged guide and position a steel pipe. The internal diameter of lower uide bushing and last uide bushing slightly is greater than the external diameter of steel pipe, guarantees that the steel pipe can be in lower uide bushing and the vertical removal of last uide bushing.

Because construction ground is the slope often, in order to guarantee that locating rack 10 is in the horizontality, need adjust locating rack 10, can fill up some stones, bricks etc. specifically in locating rack 10 bottom, but troublesome poeration, for the convenience of adjusting, the bottom of locating rack 10 is provided with many height-adjustable's supporting legs 15. By adjusting the height of each supporting foot 15, the lower end of each supporting foot 15 can contact the ground, so that the positioning frame 10 can be stably supported, the positioning frame can adapt to the inclined ground and keep the positioning frame 10 horizontal. In addition, the height of the spacer 10 can be adjusted.

In order to improve the stability of the supporting foot 15, a backing plate 16 is arranged at the lower end of the supporting foot 15, and the supporting foot 15 is connected with the backing plate 16 through a universal joint 17. The area of contact on backing plate 16 multiplicable and ground, make whole locating rack 10 more stable, supporting legs 15 links to each other with backing plate 16 through universal joint 17, supporting legs 15 can rotate for backing plate 16 promptly, subaerial at the slope, the angle of preliminary supporting legs 15 of adjusting through universal joint 17 makes backing plate 16 and ground laminating earlier, the levelness of adjusting the locating rack 10 is adjusted to the height of fine setting adjusting support leg 15 again, then screw up the bolt on gland 111, with the supporting legs 15 form that the firm adjustment is good, and pass the ground of squeezing into from the hole on the backing plate 16 outer fringe to 4 long steel nails and take root fixedly.

Supporting legs 15 can be present various telescopic link structure, preferably, be provided with a plurality of vertical thread bushings 18 on the locating rack 10, supporting legs 15 is the threaded rod, the upper end and the 18 screw-thread fit of thread bushing of threaded rod, the lower extreme are provided with connecting ball 19, the upper surface of backing plate 16 is provided with connecting seat 110, be provided with spherical groove on the connecting seat 110, connecting ball 19 be arranged in spherical groove and with spherical groove sliding fit, the notch of spherical groove is provided with gland 111, and gland 111, connecting seat 110 and connecting ball 19 constitute universal joint 17. Because the upper end of the threaded rod is in threaded fit with the threaded sleeve 18, and the connecting ball 19 at the lower end is in sliding fit with the spherical groove, when the threaded rod is rotated, the backing plate 16 is kept fixed, the connecting ball 19 rotates in the connecting seat 110, and the threaded sleeve 18 vertically moves under the action of the threads, so that the positioning frame 10 is driven to move up and down, and the adjustment of the levelness of the positioning frame 10 is completed.

The guide sleeve 20 can be a cylindrical seamless steel pipe, preferably, the guide sleeve 20 comprises a fixed pressing plate 21 and a movable pressing plate 22, the cross sections of the fixed pressing plate 21 and the movable pressing plate 22 are both in a semicircular shape, the fixed pressing plate 21 is welded on the positioning frame 10, one side of the movable pressing plate 22 is hinged to the fixed pressing plate 21, and the other side of the movable pressing plate 22 is connected with the fixed pressing plate 21 through a positioning pin 23. During construction, the movable pressing plate 22 is opened, the steel pipe is placed between the movable pressing plate 22 and the fixed pressing plate 21, the movable pressing plate 22 is rotated to enable the movable pressing plate 22 and the fixed pressing plate 21 to form a circular positioning cavity in a surrounding mode, and finally the movable pressing plate 22 is fixedly connected with the fixed pressing plate 21 through the positioning pin 23. After construction is completed, the positioning pin 23 is removed, and the movable pressing plate 22 is opened, so that the whole positioning frame 10 can be conveniently removed.

The first supporting member 30 and the second supporting member 40 may be a cross beam of the upper frame 11, or may be a steel plate, a rectangular steel, etc. welded on the positioning frame 10, and the first calibrating member 32 and the second calibrating member 42 may be a cross beam of the lower frame 12, or may be a steel plate, a rectangular steel, an angle steel, etc. welded on the positioning frame 10, and preferably, the first supporting member 30, the first calibrating member 32, the second supporting member 40, and the second calibrating member 42 are L-shaped plates welded on the side of the positioning frame 10.

During construction, the positioning frame 10 is moved to a construction position, and the levelness of the positioning frame 10 is adjusted, so that the first flexible lifting rope 31 is located at the 0 scale mark of the first calibration scale, and the second flexible lifting rope 41 is located at the 0 scale mark of the second calibration scale. And respectively putting the 4 steel pipes into the 4 guide sleeves 20, and alternately knocking the 4 steel pipes until the depth of the 4 steel pipes entering the soil meets the requirement. In the process of knocking the steel pipes, whether the first flexible lifting rope 31 deviates from the 0 scale line of the first calibration scale or not and whether the second flexible lifting rope 41 deviates from the 0 scale line of the second calibration scale or not are observed, and if the deviation occurs, the positioning frame 10 is leveled and then 4 steel pipes are continuously knocked.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Electromagnetic particle detector supporting leg high altitude installation positioner, including locating rack (10), be provided with vertical uide bushing (20), its characterized in that on locating rack (10): a first supporting piece (30) and a second supporting piece (40) are arranged at the top of the positioning frame (10), a first flexible lifting rope (31) is arranged on the first supporting piece (30), a first counter weight (33) is arranged at the lower end of the first flexible lifting rope (31), a first calibration piece (32) is arranged below the first supporting piece (30), and a first calibration scale is arranged on the side surface of the first calibration piece (32); the second flexible lifting rope (41) is arranged on the second supporting piece (40), the second counter weight (43) is arranged at the lower end of the second flexible lifting rope (41), the second calibration piece (42) is arranged below the second supporting piece (40), the second calibration scale is arranged on the side face of the second calibration piece (42), and the side face where the first calibration scale is located is perpendicular to the side face where the second calibration scale is located.

2. The high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector as claimed in claim 1, wherein: the positioning frame (10) comprises an upper frame (11) and a lower frame (12), wherein the upper frame (11) is connected with the lower frame (12) through a vertical connecting beam (13).

3. The high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector as claimed in claim 2, wherein: the upper frame (11) and the lower frame (12) both comprise rectangular frames surrounded by 4 cross beams, and a reinforcing beam (14) is arranged between every two adjacent cross beams.

4. The high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector as claimed in claim 2, wherein: the guide sleeve (20) comprises 4 upper guide sleeves and 4 lower guide sleeves, the 4 upper guide sleeves are fixed on the upper frame (11), the 4 lower guide sleeves are fixed on the lower frame (12), and each lower guide sleeve and one upper guide sleeve are coaxially arranged.

5. The high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector as claimed in claim 1, wherein: the bottom of the positioning frame (10) is provided with a plurality of supporting legs (15) with adjustable height.

6. The high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector as claimed in claim 5, wherein: the lower end of the supporting leg (15) is provided with a backing plate (16), and the supporting leg (15) is connected with the backing plate (16) through a universal joint (17).

7. The high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector as claimed in claim 6, wherein: be provided with a plurality of vertical thread bushings (18) on locating rack (10), supporting legs (15) are the threaded rod, the upper end and the thread bushing (18) screw-thread fit of threaded rod, lower extreme are provided with connecting ball (19), the upper surface of backing plate (16) is provided with connecting seat (110), be provided with spherical groove on connecting seat (110), connecting ball (19) be arranged in spherical groove and with spherical groove sliding fit, the notch of spherical groove is provided with gland (111), and universal joint (17) are constituteed to gland (111), connecting ball (19) and connecting seat (110).

8. The high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector as claimed in claim 1, wherein: the guide sleeve (20) comprises a fixed pressing plate (21) and a movable pressing plate (22), the sections of the fixed pressing plate (21) and the movable pressing plate (22) are both in a semicircular shape, the fixed pressing plate (21) is welded on the positioning frame (10), one side of the movable pressing plate (22) is hinged to the fixed pressing plate (21), and the other side of the movable pressing plate is connected with the fixed pressing plate (21) through a positioning pin (23).

9. The high-altitude installation and positioning device for the supporting legs of the electromagnetic particle detector as claimed in claim 1, wherein: the first supporting piece (30), the first calibration piece (32), the second supporting piece (40) and the second calibration piece (42) are all L-shaped plates welded on the side face of the positioning frame (10).