Positioning device for controlling thickness of column-free arch type station top plate protective layer of intercity railway station hall

Abstract

The utility model discloses a positioning device for controlling the thickness of a protective layer of a column-free arch type station roof of an intercity railway station hall, which comprises a mounting seat, and an adjusting scraping type ultrasonic measurement structure is mounted on the mounting seat; the adjusting scraping type ultrasonic measuring structure comprises a fixing groove, an ultrasonic thickness gauge, two pairs of wheel supports, a pair of supporting rollers, a pair of fixing plates, two pairs of locking sleeves, two pairs of fixing blocks, a pair of fixing strips, a plurality of spring telescopic rods, a pair of cleaning scraping plates and an adjusting supporting assembly. The utility model relates to the technical field of positioning and measuring devices, is suitable for measuring roofs with different heights, solves the problem that the thickness of the existing station roof structure is inconvenient to detect after construction, is simple to operate and high in efficiency, and meets the high requirements of modern railway construction on quality control.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning and measuring devices, in particular to a positioning device for controlling the thickness of a protective layer of a column-free arch-type station roof in an intercity railway station hall. Background Art

[0002] In the construction of intercity railway station halls, column-free arch-structured stations are widely used due to their unique architectural aesthetics and efficient space utilization. The roof protection layer refers to a layer of material or structure located on the surface of the concrete components of the station roof. Its main function is to protect the internal structural materials such as steel bars from erosion by the external environment, while providing additional mechanical strength and enhancing the overall stability of the structure.

[0003] The existing station roof structure is not easy to detect the thickness after construction. Most of the thickness measurements are done by knocking and echoing. This is highly subjective, complicated to operate, has poor measurement accuracy, and is very inefficient. It cannot meet the high quality control requirements of modern railway construction. Utility Model Content

[0004] The utility model aims to provide a positioning device for controlling the thickness of a roof protective layer of a column-free arch-type station hall of an intercity railway station, which can measure the thickness of the roof protective layer and ensure measurement accuracy.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a positioning device for controlling the thickness of the protective layer of the column-free arch station roof of an intercity railway station hall, comprising a mounting base on which an adjustable scraping ultrasonic measuring structure is installed;

[0006] The adjustable scraping ultrasonic measuring structure includes a fixing groove, an ultrasonic thickness gauge, two pairs of wheel brackets, a pair of supporting rollers, a pair of fixing plates, two pairs of locking sleeves, two pairs of fixing blocks, a pair of fixing bars, a plurality of spring telescopic rods, a pair of cleaning scrapers and an adjustable supporting assembly;

[0007] A fixing groove is provided on the upper wall of the mounting base, the ultrasonic thickness gauge is installed in the fixing groove, two pairs of wheel brackets are installed on both sides of the ultrasonic thickness gauge, a pair of supporting rollers are installed on the two pairs of wheel brackets, a pair of fixing plates are installed on the walls on both sides of the mounting base, two pairs of locking sleeves are installed on a pair of fixing plates, two pairs of fixing blocks are fixed on the two pairs of locking sleeves, a pair of fixing strips are installed on the two pairs of fixing blocks, one end of a plurality of spring telescopic rods is installed on a pair of fixing strips, a pair of cleaning scrapers are installed on the other end of the plurality of spring telescopic rods, and an adjusting support assembly is installed on the lower wall of the mounting base.

[0008] Preferably, a pair of support rollers are mounted on two pairs of wheel supports via rotating shafts.

[0009] Preferably, a pair of mounting grooves are provided on the upper wall surface of the mounting seat.

[0010] Preferably, a pair of support rollers are provided with protective covers.

[0011] Preferably, the two pairs of fixing blocks are mounted on the two pairs of locking sleeves via fixing bolts.

[0012] Preferably, the adjustment support assembly includes a mounting housing, a connecting shaft, an adjustment support rod, a pair of arc-shaped compression springs, a combined sleeve, a locking pin, and a gripping handle;

[0013] The mounting shell is installed in the middle position of the lower wall of the mounting base, the connecting shaft is embedded in the mounting shell, the top of the adjusting support rod is installed on the connecting shaft, one end of a pair of arc compression springs is installed inside the mounting shell, and the other end of a pair of arc compression springs is installed on the adjusting support rod. The combined sleeve is sleeved on the adjusting support rod, the locking pin passes through the combined sleeve and is locked and fixed on the adjusting support rod, and the holding handle is installed at the lower end of the combined sleeve.

[0014] The beneficial effects of the utility model are as follows: an adjustable scraping ultrasonic measuring structure is used to measure the thickness of the roof protective layer by the principle of ultrasonic pulse reflection, thereby ensuring measurement accuracy; at the same time, the scraper is used to clean and scrape the measuring moving position through roller support, thereby preventing particulate impurities adhering to the roof from damaging the measuring instrument and ensuring measurement accuracy; and an adjustable handheld structure is used to measure roofs at different heights, thereby solving the problem that the existing station roof structure is inconvenient for thickness detection after construction; the operation is simple and efficient, and meets the high requirements of modern railway construction for quality control. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the present utility model.

[0016] Figure 2 It is the main view of the utility model.

[0017] Figure 3 This is a main sectional view of the installation shell of the utility model.

[0018] In the figure: 1-mounting seat; 2-fixing groove; 3-ultrasonic thickness gauge; 4-wheel bracket; 5-support roller; 6-fixing plate; 7-locking sleeve; 8-fixing block; 9-fixing bar; 10-spring telescopic rod; 11-cleaning scraper; 12-rotating shaft; 13-mounting groove; 14-protective cover; 15-fixing bolt; 16-mounting shell; 17-connecting rotating shaft; 18-adjusting support rod; 19-arc compression spring; 20-combination sleeve; 21-locking pin; 22-gripping handle. DETAILED DESCRIPTION

[0019] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0020] like Figure 1-3 As shown, a positioning device for controlling the thickness of the protective layer of the column-free arch station roof of an intercity railway station hall includes a mounting base 1, a fixing groove 2, an ultrasonic thickness gauge 3, two pairs of wheel brackets 4, a pair of support rollers 5, a pair of fixing plates 6, two pairs of locking sleeves 7, two pairs of fixing blocks 8, a pair of fixing bars 9, a plurality of spring telescopic rods 10, a pair of cleaning scrapers 11 and an adjustment support assembly.

[0021] The adjustable scraping ultrasonic measuring structure is composed of a fixing groove 2, an ultrasonic thickness gauge 3, two pairs of wheel brackets 4, a pair of supporting rollers 5, a pair of fixing plates 6, two pairs of locking sleeves 7, two pairs of fixing blocks 8, a pair of fixing bars 9, a plurality of spring telescopic rods 10, a pair of cleaning scrapers 11 and an adjusting support assembly.

[0022] A fixing groove 2 is provided on the upper wall of the mounting base 1, an ultrasonic thickness gauge 3 is installed in the fixing groove 2, two pairs of wheel brackets 4 are installed on both sides of the ultrasonic thickness gauge 3, a pair of support rollers 5 are installed on the two pairs of wheel brackets 4, a pair of fixing plates 6 are installed on the walls on both sides of the mounting base 1, two pairs of locking sleeves 7 are installed on a pair of fixing plates 6, two pairs of fixing blocks 8 are fixed on the two pairs of locking sleeves 7, a pair of fixing bars 9 are installed on the two pairs of fixing blocks 8, one end of a plurality of spring telescopic rods 10 is installed on a pair of fixing bars 9, a pair of cleaning scrapers 11 are installed on the other end of the plurality of spring telescopic rods 10, and the adjustment support assembly is installed on the lower wall of the mounting base 1.

[0023] In a specific implementation process, a pair of support rollers 5 is installed on two pairs of wheel brackets 4 through the rotating shaft 12.

[0024] Furthermore, a pair of mounting grooves 13 are formed on the upper wall surface of the mounting base 1 .

[0025] Furthermore, a protective cover 14 is provided on the pair of support rollers 5 .

[0026] Furthermore, the two pairs of fixing blocks 8 are mounted on the two pairs of locking sleeves 7 via fixing bolts 15 .

[0027] The adjustment support assembly includes a mounting housing 16 , a connecting shaft 17 , an adjustment support rod 18 , a pair of arc-shaped compression springs 19 , a combined sleeve 20 , a locking pin 21 and a gripping handle 22 .

[0028] The mounting shell 16 is installed in the middle position of the lower wall of the mounting base 1, the connecting shaft 17 is embedded in the mounting shell 16, the top of the adjusting support rod 18 is installed on the connecting shaft 17, one end of a pair of arc compression springs 19 is installed inside the mounting shell 16, and the other end of a pair of arc compression springs 19 is installed on the adjusting support rod 18, the combined sleeve 20 is sleeved on the adjusting support rod 18, the locking pin 21 passes through the combined sleeve 20 and is locked and fixed on the adjusting support rod 18, and the holding handle 22 is installed at the lower end of the combined sleeve 20.

[0029] The mounting base 1 supports the entire device. During use, the length of the support rod 18 within the combined sleeve 20 is adjusted according to the required height for measurement and positioning, and is locked and secured with a locking pin 21. The user lifts the device by gripping the handle 22 and places it against the top plate. The support rollers 5 mounted on the wheel bracket 4 rest against the top plate to support the device. At the same time, the ultrasonic thickness gauge 3, mounted at the same height as the ultrasonic thickness gauge 3 and mounted in the fixing slot 2, rests against the top plate.

[0030] The ultrasonic thickness gauge 3 is started to accurately measure the thickness of the top plate protective layer through the principle of ultrasonic pulse reflection. At the same time, the mounting base 1 is moved by holding the handle 22. The support roller 5 rotates on the wheel bracket 4 through the rotating shaft 12 for mobile support. The protective cover 14 ensures that the support roller 5 does not slip during rotation. While moving, it is installed on the mounting base 1 through the locking sleeve 7 and the fixed block 8. The cleaning scraper 11 cooperates with the spring telescopic rod 10 to clean and scrape off the particle attachments and impurities adhered to the top plate to prevent affecting the measurement accuracy of the ultrasonic thickness gauge 3. The arc compression spring 19 can provide support force when the mounting base 1 moves and the adjustment support rod 18 has an angular offset.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning device for controlling the thickness of the protective layer of the column-free arch station roof of an intercity railway station hall, comprising a mounting seat (1), characterized in that: An adjustable scraping type ultrasonic measurement structure is installed on the mounting seat (1); The adjustable scraping ultrasonic measuring structure comprises a fixed groove (2), an ultrasonic thickness gauge (3), two pairs of wheel brackets (4), a pair of supporting rollers (5), a pair of fixed plates (6), two pairs of locking sleeves (7), two pairs of fixed blocks (8), a pair of fixed bars (9), a plurality of spring telescopic rods (10), a pair of cleaning scrapers (11) and an adjustable support assembly; The fixing groove (2) is provided on the upper wall surface of the mounting seat (1); the ultrasonic thickness gauge (3) is installed in the fixing groove (2); two pairs of wheel brackets (4) are installed at both sides of the ultrasonic thickness gauge (3); a pair of supporting rollers (5) are installed on the two pairs of wheel brackets (4); a pair of fixing plates (6) are installed on both side walls of the mounting seat (1); two pairs of locking sleeves (7) are installed on the pair of fixing plates (6); two pairs of fixing blocks (8) are fixed on the two pairs of locking sleeves (7); a pair of fixing bars (9) are installed on the two pairs of fixing blocks (8); one end of a plurality of spring telescopic rods (10) is installed on the pair of fixing bars (9); a pair of cleaning scrapers (11) is installed on the other end of the plurality of spring telescopic rods (10); and an adjusting support assembly is installed on the lower wall surface of the mounting seat (1).

2. A positioning device for controlling the thickness of the protective layer of the column-free arch station roof of an intercity railway station hall according to claim 1, characterized in that: A pair of supporting rollers (5) are mounted on two pairs of wheel brackets (4) via rotating shafts (12).

3. A positioning device for controlling the thickness of the protective layer of the column-free arch station roof of an intercity railway station hall according to claim 1, characterized in that: A pair of mounting grooves (13) are provided on the upper wall surface of the mounting seat (1).

4. A positioning device for controlling the thickness of the protective layer of the column-free arch station roof of an intercity railway station hall according to claim 1, characterized in that: A pair of support rollers (5) are provided with protective sleeves (14).

5. A positioning device for controlling the thickness of the protective layer of the column-free arch station roof of an intercity railway station hall according to claim 1, characterized in that: Two pairs of fixing blocks (8) are mounted on two pairs of locking sleeves (7) via fixing bolts (15).

6. A positioning device for controlling the thickness of the protective layer of the column-free arch station roof of an intercity railway station hall according to claim 1, characterized in that: The adjustment support assembly comprises a mounting housing (16), a connecting shaft (17), an adjustment support rod (18), a pair of arc-shaped compression springs (19), a combined sleeve (20), a locking pin (21) and a gripping handle (22); The mounting shell (16) is mounted at the middle position of the lower wall of the mounting seat (1), the connecting shaft (17) is embedded in the mounting shell (16), the top end of the adjusting support rod (18) is mounted on the connecting shaft (17), one end of a pair of arc-shaped compression springs (19) is mounted inside the mounting shell (16), and the other end of the pair of arc-shaped compression springs (19) is mounted on the adjusting support rod (18), the combined sleeve (20) is sleeved on the adjusting support rod (18), the locking pin (21) passes through the combined sleeve (20) and is locked and fixed on the adjusting support rod (18), and the holding handle (22) is mounted on the lower end of the combined sleeve (20).

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