A steel structure grid deflection detection device

Abstract

The present invention relates to the technical field of deflection detection, and discloses a steel structure grid deflection detection device, comprising a pair of fixed blocks, on which a clamping mechanism is arranged, the clamping mechanism is used to clamp and fix on the steel structure grid, one of the fixed blocks is provided with a first cavity, a winding mechanism and a first locking mechanism are arranged in the first cavity, a plurality of support ropes are arranged on the winding mechanism, the plurality of support ropes are fixedly connected to the other fixed block, and the first locking mechanism is used to clamp the support ropes; a sliding block is slidably arranged on the plurality of support ropes, the sliding block is provided with a detection mechanism, the detection mechanism is used to detect the surface deflection of the steel structure grid, a second cavity is arranged in the sliding block, a second locking mechanism is arranged in the second cavity, and the second locking mechanism is used to clamp the support ropes. The present invention realizes that the steel structure grid can still be adapted to the deflection detection work after the steel structure grid is assembled.

Description

Technical Field

[0001] The invention relates to the technical field of deflection detection, and in particular to a steel structure grid deflection detection device. Background Art

[0002] Deflection is the linear displacement of the rod axis in a direction perpendicular to the axis or the linear displacement of the mid-surface of the plate or shell in a direction perpendicular to the mid-surface when subjected to force or non-uniform temperature changes. Deflection testing of steel structure grids can measure the maximum bearing load of the steel structure grid.

[0003] Steel structure grids are usually composed of various types of steel pipes, and existing steel structure grid deflection detection devices usually perform deflection detection before the grid structure members are installed, and are not suitable for deflection detection after the grid is installed. Summary of the invention

[0004] The object of the present invention is to provide a steel structure grid deflection detection device, aiming to solve or improve at least one of the above-mentioned technical problems.

[0005] To achieve the above object, the present invention provides the following solution: The present invention provides a steel structure grid deflection detection device, comprising:

[0006] A pair of fixed blocks, each of which is provided with a clamping mechanism, and the clamping mechanism is used to clamp and fix on the steel structure grid, one of the fixed blocks is provided with a first cavity, a winding mechanism and a first locking mechanism are provided in the first cavity, a plurality of support ropes are provided on the winding mechanism, and the plurality of support ropes are fixedly connected to the other fixed block, and the first locking mechanism is used to clamp the support ropes;

[0007] A sliding block, wherein the sliding block is slidably disposed on the plurality of supporting ropes, wherein a detection mechanism is disposed on the sliding block, wherein the detection mechanism is used to detect the surface deflection of the steel structure grid, wherein a second cavity is opened in the sliding block, wherein a second locking mechanism is disposed in the second cavity, and wherein the second locking mechanism is used to clamp the supporting ropes.

[0008] Optionally, the clamping mechanism includes a pair of connecting plates, one of which is fixedly connected to the fixed block, and a first electric telescopic rod is provided on the connecting plate, an output end of the first electric telescopic rod is fixedly connected to the other connecting plate, and a clamping plate is fixedly connected to the connecting plate.

[0009] Optionally, arc-shaped electromagnetic clamping rings are respectively provided on opposite end surfaces of a pair of the clamping plates, a plurality of support rods are provided on the electromagnetic clamping rings, the support rods slide through the electromagnetic clamping rings, and a spring is fixedly connected between the electromagnetic clamping rings and the clamping plates.

[0010] Optionally, the winding mechanism includes a pair of torsion spring shaft seats, the pair of torsion spring shaft seats are fixedly installed in the first cavity, a rotating shaft is connected between the pair of torsion spring shaft seats, a plurality of winding wheels are fixedly connected to the rotating shaft, and the support rope is wound on the winding wheel.

[0011] Optionally, the first locking mechanism includes a first motor, the output shaft of the first motor is transmission-connected to a first double-section screw, the two end threads of the first double-section screw are opposite, the two sections of the thread of the first double-section screw are respectively transmission-connected to a first nut, the first nut is fixedly connected to a first movable plate, a plurality of first guide rods slide through the two first movable plates, the first guide rods are fixedly connected in the first cavity, a plurality of pairs of first locking plates are connected to the two first movable plates, the plurality of pairs of first locking plates correspond one-to-one to the plurality of support ropes, and the support rope is located between a pair of the first locking plates.

[0012] Optionally, the first cavity is connected to a plurality of first through holes, and the plurality of support ropes are arranged one by one in the plurality of first through holes.

[0013] Optionally, the second locking mechanism includes a second motor, the output shaft of the second motor is transmission connected to a second double-section screw, the two sections of the second double-section screw are in opposite threads, and the two end threads of the second double-section screw are respectively transmission connected to second nuts, and the second nut is fixedly connected to a second movable plate, and a plurality of second guide rods slide through the two second movable plates, and the second guide rods are fixedly connected in the second cavity, and a plurality of pairs of second locking plates are connected to the two second movable plates, and the plurality of pairs of second locking plates correspond one-to-one to the plurality of support ropes, and the support rope is located between a pair of second locking plates.

[0014] Optionally, a plurality of second through holes are symmetrically opened on both sides of the second cavity, and a plurality of the support ropes are arranged one by one in a plurality of pairs of the second through holes.

[0015] Optionally, the detection mechanism includes a second electric telescopic rod, the output end of the second electric telescopic rod is fixedly connected to a third electric telescopic rod, the third electric telescopic rod is perpendicular to the second electric telescopic rod, the output end of the third electric telescopic rod is fixedly installed with a third motor, and the output shaft of the third motor is fixedly connected to the detector.

[0016] Optionally, the second electric telescopic rod is a multi-stage electric telescopic rod.

[0017] The present invention discloses the following technical effects: two fixing blocks are clamped on a steel structure grid respectively by two clamping mechanisms, and a winding mechanism and a plurality of supporting ropes are provided, so that the two fixing blocks can be adapted to the installation of steel structure grids with different length ranges, and the supporting ropes can be clamped and fixed by a first locking mechanism, so that the plurality of supporting ropes between the two fixing blocks are in a tensioned state, thereby driving a detection mechanism thereon to move to a desired detection position by sliding a slider, and clamping and fixing the supporting ropes by a second locking mechanism, locking the sliding block at the desired detection position, and using the sliding block as a supporting point to detect the surface deflection of the steel structure grid through the detection mechanism, thereby achieving the deflection detection work of the steel structure grid after the steel structure grid is assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the clamping mechanism of the present invention;

[0021] Figure 3 It is a schematic diagram of the internal structure of the first cavity of the present invention;

[0022] Figure 4 is a schematic diagram of the internal structure of the second cavity of the present invention;

[0023] Figure 5 It is a schematic diagram of the connection between the first locking plate and the support rope of the present invention.

[0024] In the figure: 1, fixed block; 2, first cavity; 3, support rope; 4, sliding block; 5, second cavity; 6, connecting plate; 7, first electric telescopic rod; 8, clamping plate; 9, electromagnetic clamping ring; 10, support rod; 11, spring; 12, torsion spring shaft seat; 14, rotating shaft; 15, winding wheel; 16, first motor; 17, first double-section screw rod; 18, first nut; 19, first movable plate; 20, first guide rod; 21, first locking plate; 22, first through hole; 23, second motor; 24, second double-section screw rod; 25, second nut; 26, second movable plate; 27, second guide rod; 28, second locking plate; 29, second through hole; 30, second electric telescopic rod; 31, third electric telescopic rod; 32, third motor; 33, detector; 34, level. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] Reference Figure 1-Figure 5 The present invention provides a steel structure grid deflection detection device, comprising:

[0028] A pair of fixed blocks 1, each of which is provided with a clamping mechanism, which is used to clamp and fix on a steel structure grid, one of the fixed blocks 1 is provided with a first cavity 2, a winding mechanism and a first locking mechanism are provided in the first cavity 2, a plurality of support ropes 3 are provided on the winding mechanism, the plurality of support ropes 3 are fixedly connected to the other fixed block 1, and the first locking mechanism is used to clamp the support ropes 3;

[0029] The sliding block 4 is slidably arranged on a plurality of supporting ropes 3. A detection mechanism is arranged on the sliding block 4. The detection mechanism is used to detect the surface deflection of the steel structure grid. A second cavity 5 is opened in the sliding block 4. A second locking mechanism is arranged in the second cavity 5. The second locking mechanism is used to clamp the supporting ropes 3.

[0030] The two fixing blocks 1 are clamped on the steel structure grid respectively by two clamping mechanisms, and by setting a winding mechanism and multiple support ropes 3, the two fixing blocks 1 can be adapted to the installation of steel structure grids with different length ranges, and the support ropes 3 can be clamped and fixed by the first locking mechanism, so that the multiple support ropes 3 between the two fixing blocks 1 are in a tensioned state, thereby driving the detection mechanism on the sliding block 4 to move to the desired detection position through the sliding block 4, and clamping and fixing the support ropes 3 by the second locking mechanism, locking the sliding block 4 in the desired detection position, and using the sliding block 4 as a support point to detect the surface deflection of the steel structure grid through the detection mechanism, thereby achieving the deflection detection work of the steel structure grid after the steel structure grid is assembled.

[0031] According to the present invention, a steel structure grid deflection detection device is provided, the clamping mechanism includes a pair of connecting plates 6, one of the connecting plates 6 is fixedly connected to the fixed block 1, and a first electric telescopic rod 7 is arranged on the connecting plate 6, the output end of the first electric telescopic rod 7 is fixedly connected to the other connecting plate 6, and a clamping plate 8 is fixedly connected to the connecting plate 6.

[0032] By pulling the other connecting plate 6 through the first electric telescopic rod 7 , the gap between the pair of clamping plates 8 can be reduced, so that the tubular structural member of the steel structure grid is clamped and fixed between the pair of clamping plates 8 .

[0033] According to the present invention, a steel structure grid deflection detection device is provided, wherein the opposite end faces of a pair of clamping plates 8 are respectively provided with arc-shaped electromagnetic clamping rings 9, a plurality of support rods 10 are provided on the electromagnetic clamping rings 9, the support rods 10 slide through the electromagnetic clamping rings 9, and a spring 11 is fixedly connected between the electromagnetic clamping rings 9 and the clamping plates 8.

[0034] The spring 11 and the support rod 10 can improve the clamping stability of a pair of electromagnetic clamping rings 9 on the tubular structural members of the steel structure grid. After the electromagnetic clamping rings 9 clamp the tubular structural members of the steel structure grid, the electromagnetic clamping rings 9 are energized to generate magnetic attraction, thereby further improving the clamping stability.

[0035] According to the present invention, a steel structure grid deflection detection device is provided, the winding mechanism includes a pair of torsion spring shaft seats 12, the pair of torsion spring shaft seats 12 are fixedly installed in the first cavity 2, a rotating shaft 14 is connected between the pair of torsion spring shaft seats 12, a plurality of winding wheels 15 are fixedly connected to the rotating shaft 14, and a support rope 3 is wound on the winding wheel 15.

[0036] A pair of torsion spring shaft seats 12 and a plurality of winding wheels 15 can facilitate the winding of a plurality of support ropes 3 .

[0037] According to the present invention, a steel structure grid deflection detection device is provided, the first locking mechanism includes a first motor 16, the output shaft of the first motor 16 is transmission-connected to a first double-section screw rod 17, the threads at both ends of the first double-section screw rod 17 are opposite, the two sections of the threads of the first double-section screw rod 17 are transmission-connected to a first nut 18 respectively, the first nut 18 is fixedly connected to a first movable plate 19, a plurality of first guide rods 20 are slidingly penetrated through the two first movable plates 19, the first guide rods 20 are fixedly connected in a first cavity 2, a plurality of pairs of first locking plates 21 are connected to the two first movable plates 19, the plurality of pairs of first locking plates 21 correspond one-to-one to the plurality of support ropes 3, and the support rope 3 is located between a pair of first locking plates 21.

[0038] After adjusting the length of the support rope 3, the first double-section screw 17 is driven to rotate by the first motor 16, so that a pair of first movable plates 19 move relative to each other, thereby driving multiple pairs of first locking plates 21 to move relative to each other, and the support rope 3 between the two is clamped and fixed by a pair of first locking plates 21, so that the support rope 3 remains in a tensioned state, avoiding bending of the support rope 3 due to the gravity of the sliding block 4, thereby improving the subsequent detection accuracy.

[0039] According to the present invention, a steel structure grid deflection detection device is provided, wherein the first cavity 2 is connected with a plurality of first through holes 22 , and a plurality of support ropes 3 are arranged in the plurality of first through holes 22 one by one.

[0040] According to the present invention, a steel structure grid deflection detection device is provided, the second locking mechanism includes a second motor 23, the output shaft of the second motor 23 is transmission-connected to a second double-section screw 24, the two sections of the thread of the second double-section screw 24 are opposite, the two end threads of the second double-section screw 24 are transmission-connected to second nuts 25 respectively, the second nuts 25 are fixedly connected to a second movable plate 26, a plurality of second guide rods 27 are slidingly penetrated through the two second movable plates 26, the second guide rods 27 are fixedly connected in the second cavity 5, a plurality of pairs of second locking plates 28 are connected to the two second movable plates 26, the plurality of pairs of second locking plates 28 correspond one-to-one to the plurality of support ropes 3, and the support rope 3 is located between a pair of second locking plates 28.

[0041] After adjusting the length of the sliding block 4, the second double-section screw 24 is driven to rotate by the second motor 23, so that a pair of second movable plates 26 move relative to each other, thereby driving multiple pairs of second locking plates 28 to move relative to each other, and the support rope 3 between the two is clamped and fixed by a pair of second locking plates 28, so that the position of the sliding block 4 is fixed.

[0042] According to the present invention, a steel structure grid deflection detection device is provided, wherein a plurality of second through holes 29 are symmetrically opened on both sides of the second cavity 5 , and a plurality of support ropes 3 are arranged one by one in the plurality of pairs of second through holes 29 .

[0043] According to the present invention, a steel structure grid deflection detection device is provided, the detection mechanism includes a second electric telescopic rod 30, the output end of the second electric telescopic rod 30 is fixedly connected to the third electric telescopic rod 31, the third electric telescopic rod 31 is perpendicular to the second electric telescopic rod 30, the output end of the third electric telescopic rod 31 is fixedly installed with a third motor 32, and the output shaft of the third motor 32 is fixedly connected to the detector 33.

[0044] The height position of the detector 33 is adjusted by the second electric telescopic rod 30, and the horizontal position of the detector 33 relative to the tubular structure of the steel structure grid is adjusted by the third electric telescopic rod 31. The angle of the detector 33 is adjusted by the third motor 32 to adapt to the tubular structure of the arc mechanism.

[0045] According to the present invention, a steel structure grid deflection detection device is provided, and the second electric telescopic rod 30 is a multi-stage electric telescopic rod.

[0046] Furthermore, the top and bottom surfaces of the support rope 3 are respectively provided with engaging teeth, and the end surfaces of the first locking plate 21 and the second locking plate 28 close to the support rope 3 are respectively provided with engaging teeth, and the connection stability of the support rope 3 can be improved by engaging the engaging teeth.

[0047] Furthermore, a level 34 is provided on both the fixed block 1 and the detector 33 to provide angle parameters for the operator.

[0048] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0049] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A steel structure grid deflection detection device, characterized in that: include: A pair of fixing blocks (1), each fixing block (1) being provided with a clamping mechanism, the clamping mechanism being used for clamping and fixing on a steel structure grid, one of the fixing blocks (1) being provided with a first cavity (2), a winding mechanism and a first locking mechanism being provided in the first cavity (2), a plurality of supporting ropes (3) being provided on the winding mechanism, the plurality of supporting ropes (3) being fixedly connected to the other fixing block (1), the first locking mechanism being used for clamping the supporting ropes (3); A sliding block (4), the sliding block (4) being slidably arranged on the plurality of supporting ropes (3), the sliding block (4) being provided with a detection mechanism, the detection mechanism being used to detect the surface deflection of the steel structure grid, the sliding block (4) being provided with a second cavity (5), the second cavity (5) being provided with a second locking mechanism, the second locking mechanism being used to clamp the supporting ropes (3); The clamping mechanism comprises a pair of connecting plates (6), one of the connecting plates (6) is fixedly connected to the fixing block (1), a first electric telescopic rod (7) is arranged on the connecting plate (6), an output end of the first electric telescopic rod (7) is fixedly connected to the other connecting plate (6), and a clamping plate (8) is fixedly connected to the connecting plate (6); The opposite end surfaces of a pair of the clamping plates (8) are respectively provided with arc-shaped electromagnetic clamping rings (9), and a plurality of support rods (10) are provided on the electromagnetic clamping rings (9). The support rods (10) slide through the electromagnetic clamping rings (9), and a spring (11) is fixedly connected between the electromagnetic clamping rings (9) and the clamping plates (8).

2. A steel structure grid deflection detection device according to claim 1, characterized in that: The winding mechanism comprises a pair of torsion spring shaft seats (12), the pair of torsion spring shaft seats (12) being fixedly mounted in the first cavity (2), a rotating shaft (14) being connected between the pair of torsion spring shaft seats (12), a plurality of winding wheels (15) being fixedly connected to the rotating shaft (14), and the support rope (3) being wound around the winding wheel (15).

3. A steel structure grid deflection detection device according to claim 1, characterized in that: The first locking mechanism comprises a first motor (16), the output shaft of the first motor (16) being drivingly connected to a first double-section screw rod (17), the two ends of the first double-section screw rod (17) having opposite threads, the two ends of the first double-section screw rod (17) being drivingly connected to first nuts (18) respectively, the first nut (18) being fixedly connected to a first movable plate (19), a plurality of first guide rods (20) slidingly passing through the two first movable plates (19), the first guide rods (20) being fixedly connected in the first cavity (2), a plurality of pairs of first locking plates (21) being connected to the two first movable plates (19), the plurality of pairs of first locking plates (21) corresponding one-to-one to the plurality of support ropes (3), and the support rope (3) being located between a pair of the first locking plates (21).

4. A steel structure grid deflection detection device according to claim 1, characterized in that: The first cavity (2) is connected to a plurality of first through holes (22), and the plurality of support ropes (3) are arranged one by one in the plurality of first through holes (22).

5. The steel structure grid deflection detection device according to claim 1, characterized in that: The second locking mechanism comprises a second motor (23), the output shaft of the second motor (23) is drivingly connected to a second double-section screw (24), the two sections of the second double-section screw (24) having opposite threads, the threads at both ends of the second double-section screw (24) are respectively drivingly connected to second nuts (25), the second nuts (25) are fixedly connected to a second movable plate (26), a plurality of second guide rods (27) are slidably passed through the two second movable plates (26), the second guide rods (27) are fixedly connected in the second cavity (5), a plurality of pairs of second locking plates (28) are connected to the two second movable plates (26), the plurality of pairs of second locking plates (28) correspond one-to-one to the plurality of support ropes (3), and the support rope (3) is located between a pair of second locking plates (28).

6. A steel structure grid deflection detection device according to claim 1, characterized in that: A plurality of second through holes (29) are symmetrically provided on both sides of the second cavity (5), and the plurality of support ropes (3) are arranged one by one in the plurality of pairs of the second through holes (29).

7. A steel structure grid deflection detection device according to claim 1, characterized in that: The detection mechanism comprises a second electric telescopic rod (30), the output end of the second electric telescopic rod (30) being fixedly connected to a third electric telescopic rod (31), the third electric telescopic rod (31) being perpendicular to the second electric telescopic rod (30), the output end of the third electric telescopic rod (31) being fixedly mounted with a third motor (32), the output shaft of the third motor (32) being fixedly connected to a detection instrument (33).

8. A steel structure grid deflection detection device according to claim 7, characterized in that: The second electric telescopic rod (30) is a multi-stage electric telescopic rod.

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