Linear measuring device for steel pipe arch rib

Abstract

The utility model provides a linear measuring device for a steel pipe arch rib, which comprises a mounting rack I, the mounting rack I is locked and linked with a mounting surface through a knurled screw I, the mounting rack I is locked and connected with a mounting rack II through a knurled screw II, a prism head mounting cylinder is fixed at the end part of the mounting rack II, and a prism head is fixed at the end part of the prism head mounting cylinder. A clamping mechanism is arranged in the prism head mounting cylinder, an insertion rod is inserted in the prism head mounting cylinder, the clamping mechanism is clamped and fixed with the insertion rod, a connecting piece is fixed at the top of the insertion rod, and a prism head is fixed at the top of the connecting piece. According to the technical scheme of the utility model, through the design of the prism head installation cylinder and the clamping mechanism, after the insertion rod is inserted into the prism head installation cylinder, the movable cylinder is rotated to drive the plurality of clamping blocks to move. The clamping block moves to be gradually clamped into a clamping groove in the outer surface of the second butt joint block so that the insertion rod and the prism head installation cylinder can be connected and fixed.

Description

Technical Field

[0001] The utility model relates to a linear measurement device for steel pipe arch ribs, belonging to the field of bridge construction. Background Technique

[0002] With the rapid development of the national economy, the construction technology of bridge engineering is also advancing rapidly. Long-span concrete-filled steel tube arch bridges are increasingly appearing in our lives. The concrete-filled steel tube arch bridge generally adopts the construction method without supports, that is, the steel tube arch ribs are processed and manufactured in the processing factory before pouring concrete. After several processes of blanking → cutting → short tubes → long tubes → pre-assembly → hoisting, the linear shape of the concrete-filled steel tube arch bridge is formed. Then, the installed steel tubes are used as templates to pour the in-tube concrete inside. Therefore, the control of the hoisting linear shape is very important.

[0003] The traditional linear shape control method is generally to weld a scale-marked ruler on the side of the arch rib to observe the lateral deviation of the arch rib, and weld a prism lens on the arch rib to measure the elevation of the arch rib. The traditional prism lens installation method is either directly welded on it or a triangular plate is pre-processed and then the prism is installed on the triangular plate. The first method of installing the prism is simple and crude, but it cannot guarantee the verticality of the prism rod; the second method of installing the prism lens can guarantee the verticality of the prism rod, but different triangular plates need to be made according to the different arcs of the arch ribs at different parts to ensure the verticality of the prism. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a linear measurement device for steel pipe arch ribs.

[0005] In order to achieve the above purpose, the utility model is realized through the following technical solutions:

[0006] A linear measurement device for steel pipe arch ribs includes a first mounting frame. The first mounting frame is locked and connected to the mounting surface through a knurled screw one. The first mounting frame is locked and connected to a second mounting frame through a knurled screw two. A prism lens mounting cylinder is fixed at the end of the second mounting frame. A clamping mechanism is arranged in the prism lens mounting cylinder. A plug rod is inserted into the prism lens mounting cylinder. The clamping mechanism is clamped and fixed with the plug rod. A connecting piece is fixed at the top of the plug rod. A prism lens is fixed at the top of the connecting piece.

[0007] Furthermore, the prism lens mounting cylinder includes a fixed cylinder and a movable cylinder. The fixed cylinder is fixedly connected to the second mounting frame. The movable cylinder is rotatably connected to the outer surface of the bottom of the fixed cylinder. A through hole is opened at the center of the fixed cylinder. A plurality of first docking blocks are uniformly fixed on the inner wall of the through hole. A docking groove is formed between adjacent two of the first docking blocks. A plurality of second docking blocks are uniformly fixed on the circumferential outer surface of the plug rod. The second docking blocks are inserted into the docking groove.

[0008] Further, an outer annular groove is formed at the bottom of the outer surface of the fixed cylinder, an annular sliding groove is formed at the top of the side wall in the circumferential direction of the outer annular groove, an inner annular groove is formed at the inner top of the movable cylinder, an annular sliding block is fixed at the top of the inner side wall of the inner annular groove, and the annular sliding block is slidably connected in the inner annular groove.

[0009] Further, the clamping mechanism includes a plurality of inclined blocks uniformly fixed at the inner bottom of the inner annular groove and a plurality of movable grooves uniformly formed on the outer surface of the first docking block. An inlet and outlet is formed on one side of the movable groove, and the other end of the inlet and outlet penetrates through to the outer surface of the outer annular groove. A clamping block is slidably connected in the movable groove, an inclined column is fixed at the middle of one side of the clamping block, and the inclined end of the inclined column penetrates into the inner annular groove and is pressed against the inclined block.

[0010] Further, sliding grooves are formed on both inner side walls of the movable groove, sliding blocks are slidably connected inside the sliding grooves, springs matched with the sliding blocks are further arranged in the sliding grooves, and the clamping block is fixed between the two sliding blocks.

[0011] Further, the clamping mechanism further includes a clamping groove formed on the outer surface of the second docking block, and the clamping block penetrates into the clamping groove to clamp and fix the insertion rod and the prism lens mounting cylinder.

[0012] Further, a plurality of top ear plates are uniformly fixed on the circumferential outer surface of the fixed cylinder, a bottom ear plate is fixed on the outer surface of the movable cylinder, and the top ear plate and the bottom ear plate are clamped and fixed through fasteners.

[0013] The beneficial effects of the utility model are as follows:

[0014] Through the design of the prism lens mounting cylinder, the connection mode of the rotation connection between the fixed cylinder and the movable cylinder is adopted, so that the prism lens mounting cylinder drives the clamping mechanism to realize the clamping and fixing of the insertion rod and the prism lens mounting cylinder, and realizes the locking and fixing of the movable cylinder and the fixed cylinder.

[0015] Through the design of the clamping mechanism, when clamping the insertion rod and the prism lens mounting cylinder, the movable cylinder is rotated. The rotation of the movable cylinder drives a plurality of inclined blocks to press the end of the inclined column. Through the extrusion of the inclined surface, the inclined column is further pushed to move into the movable groove. When the inclined column moves, it will push the clamping block to move, and the clamping block will gradually be clamped into the clamping groove on the outer surface of the second docking block to connect and fix the insertion rod and the prism lens mounting cylinder.

[0016] Through the design of the bottom ear plate, top ear plate and fastener, after the clamping mechanism is clamped and fixed, at this time, the bottom ear plate on the outer surface of the movable cylinder and the top ear plate on the outer surface of the fixed cylinder are butted together, and then the bottom ear plate and the top ear plate are connected and fixed by the fastener, so as to realize the locking and fixing of the movable cylinder and the fixed cylinder.

[0017] Through the design of the annular slider and annular chute, the stability of the movable connection between the movable cylinder and the fixed cylinder is improved.

[0018] Through the design of the spring, when the inclined plane block no longer presses the inclined plane column, the spring pushes the inclined plane block to move back to its original position. Brief Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of a steel pipe arch rib linear measurement device of the present invention;

[0021] Figure 2 It is a schematic diagram of the partial structure of a steel pipe arch rib linear measurement device of the present invention;

[0022] Figure 3 It is a schematic diagram of the prism lens mounting cylinder structure of a steel pipe arch rib linear measurement device of the present invention;

[0023] Figure 4 It is a schematic diagram of the fixed cylinder structure of a steel pipe arch rib linear measurement device of the present invention;

[0024] Figure 5 It is a schematic diagram of the connection structure between the fixed cylinder and the movable cylinder of a steel pipe arch rib linear measurement device of the present invention;

[0025] Figure 6 It is a schematic diagram of the partial structure of the fixed cylinder of a steel pipe arch rib linear measurement device of the present invention;

[0026] Figure 7 It is a schematic diagram of the movable cylinder structure of a steel pipe arch rib linear measurement device of the present invention;

[0027] Figure 8 It is a schematic diagram of the connection structure between the connecting piece and the insertion rod of a steel pipe arch rib linear measurement device of the present invention.

[0028] In the figure, 1 is the first mounting bracket; 2 is the first knurled screw; 3 is the second knurled screw; 4 is the second mounting bracket; 5 is the prism lens mounting cylinder; 6 is the connecting piece; 7 is the prism lens; 8 is the fixed cylinder; 9 is the movable cylinder; 10 is the perforation; 11 is the first docking block; 12 is the movable groove; 13 is the inlet and outlet; 14 is the sliding groove; 15 is the slider; 16 is the spring; 17 is the clamping block; 18 is the inclined column; 19 is the inner annular groove; 20 is the annular slider; 21 is the inclined block; 22 is the bottom ear plate; 23 is the top ear plate; 24 is the fastener; 25 is the insertion rod; 26 is the second docking block; 27 is the clamping groove. Detailed implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to Figures 1 - 8 , the present invention provides a technical solution for a linear measurement device for steel pipe arch ribs, including the first mounting bracket 1. The first mounting bracket 1 is tightly connected to the installation surface through the first knurled screw 2. The first mounting bracket 1 is tightly connected to the second mounting bracket 4 through the second knurled screw 3. The end of the second mounting bracket 4 is fixed with a prism lens mounting cylinder 5. A clamping mechanism is provided in the prism lens mounting cylinder 5. An insertion rod 25 is inserted into the prism lens mounting cylinder 5. The clamping mechanism is clamped and fixed to the insertion rod 25. The top of the insertion rod 25 is fixed with a connecting piece 6. The top of the connecting piece 6 is fixed with a prism lens 7.

[0031] Refer to Figures 3 - 7, the prism lens mounting cylinder 5 includes a fixed cylinder 8 and a movable cylinder 9. The fixed cylinder 8 is fixedly connected to the second mounting bracket 4. The movable cylinder 9 is rotatably connected to the outer surface of the bottom of the fixed cylinder 8. A perforation 10 is provided at the center of the fixed cylinder 8. A number of first docking blocks 11 are evenly fixed on the inner wall of the perforation 10. A docking groove is formed between two adjacent first docking blocks 11. A number of second docking blocks 26 are evenly fixed on the circumferential outer surface of the insertion rod 25. The second docking blocks 26 are inserted into the docking groove. An outer annular groove is provided at the bottom of the outer surface of the fixed cylinder 8. The top of the side wall in the circumferential direction of the outer annular groove is provided with an annular sliding groove. An inner annular groove 19 is provided at the inner top of the movable cylinder 9. An annular sliding block 20 is fixed to the top of the inner side wall of the inner annular groove 19. The annular sliding block 20 is slidably connected in the inner annular groove 19. Through the design of the prism lens mounting cylinder 5, through the connection method of rotational connection between the fixed cylinder 8 and the movable cylinder 9, it is convenient for the prism lens mounting cylinder 5 to drive the clamping mechanism to realize the clamping and fixing of the insertion rod 25 and the prism lens mounting cylinder 5, and realize the locking and fixing of the movable cylinder 9 and the fixed cylinder 8.

[0032] Refer to Figures 1 - 8 , the clamping mechanism includes a number of inclined plane blocks 21 evenly fixed on the inner bottom of the inner annular groove 19 and a number of movable grooves 12 evenly provided on the outer surface of the first docking blocks 11. An inlet and outlet 13 is provided on one side of the movable groove 12. The other end of the inlet and outlet 13 penetrates to the outer surface of the outer annular groove. A clamping block 17 is slidably connected in the movable groove 12. A middle part of one side of the clamping block 17 is fixed with an inclined plane column 18. The inclined plane end of the inclined plane column 18 penetrates into the inner annular groove 19 and is pressed together with the inclined plane block 21. Sliding grooves 14 are provided on both inner side walls of the movable groove 12. Sliding blocks 15 are slidably connected inside the sliding grooves 14. Springs 16 matched with the sliding blocks 15 are also provided in the sliding grooves 14. The clamping block 17 is fixed between the two sliding blocks 15. The clamping mechanism further includes a clamping groove 27 provided on the outer surface of the second docking block 26. The clamping block 17 penetrates into the clamping groove 27 to clamp and fix the insertion rod 25 and the prism lens mounting cylinder 5. A number of top ear plates 23 are evenly fixed on the circumferential outer surface of the fixed cylinder 8. A bottom ear plate 22 is fixed on the outer surface of the movable cylinder 9. The top ear plate 23 and the bottom ear plate 22 are clamped and fixed by a fastener 24. Through the design of the clamping mechanism, when clamping the insertion rod 25 and the prism lens mounting cylinder 5, rotate the movable cylinder 9. The rotation of the movable cylinder 9 drives a number of inclined plane blocks 21 to press the end of the inclined plane column 18. Through the extrusion of the inclined plane, the inclined plane column 18 is further pushed to move into the movable groove 12. When the inclined plane column 18 moves, it will push the clamping block 17 to move. The movement of the clamping block 17 will gradually be clamped into the clamping groove 27 on the outer surface of the second docking block 26 to connect and fix the insertion rod 25 and the prism lens mounting cylinder 5.

[0033] In use, the vertical angle of the prism lens 7 is adjusted by adjusting the mounting bracket 1 and locked and fixed by the knurled screw 1. The horizontal angle of the prism lens 7 is adjusted by adjusting the mounting bracket 4 and locked and fixed by the knurled screw 2. The position of the insertion rod 25 in the prism lens mounting cylinder 5 is adjusted by the clamping mechanism, so as to achieve the purpose of adjusting the height of the prism lens 7;

[0034] The specific operation process of the clamping mechanism is as follows. The insertion rod 25 at the bottom of the prism lens 7 is inserted into the prism lens mounting cylinder 5. A plurality of docking blocks 26 on the outer surface of the insertion rod 25 are inserted into the docking grooves between two adjacent docking blocks 11. Then, the height of the insertion rod 25 in the docking groove is adjusted. After the adjustment is completed, the movable cylinder 9 is rotated. The rotation of the movable cylinder 9 drives a plurality of inclined plane blocks 21 to squeeze the end of the inclined plane column 18. Through the extrusion of the inclined plane, the inclined plane column 18 is pushed to move into the movable groove 12. When the inclined plane column 18 moves, it will push the clamping block 17 to move. The movement of the clamping block 17 will gradually be clamped into the clamping groove 27 on the outer surface of the docking block 26 to connect and fix the insertion rod 25 and the prism lens mounting cylinder 5. At this time, the bottom ear plate 22 on the outer surface of the movable cylinder 9 and the top ear plate 23 on the outer surface of the fixed cylinder 8 are butted together, and then the bottom ear plate 22 and the top ear plate 23 are connected and fixed by the fastener 24 to realize the locking and fixing of the movable cylinder 9 and the fixed cylinder 8.

[0035] Although this specification is described according to the embodiments, not each embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A steel pipe arch rib linear measurement device, characterized in that: The invention comprises a mounting frame (1), wherein the mounting frame (1) is locked and connected to a mounting surface via a knurled screw (2), the mounting frame (1) is locked and connected to a mounting frame (4) via a knurled screw (3), a prism lens mounting tube (5) is fixed at the end of the mounting frame (4), a clamping mechanism is provided in the prism lens mounting tube (5), an insertion rod (25) is inserted in the prism lens mounting tube (5), the clamping mechanism is clamped and fixed to the insertion rod (25), a connecting piece (6) is fixed at the top of the insertion rod (25), and a prism lens (7) is fixed at the top of the connecting piece (6).

2. A steel pipe arch rib linear measurement device according to claim 1, characterized in that: The prism lens mounting tube (5) comprises a fixed tube (8) and a movable tube (9), wherein the fixed tube (8) is connected and fixed to the mounting frame 2 (4), and the movable tube (9) is rotatably connected to the bottom outer surface of the fixed tube (8), a through hole (10) is provided at the center of the fixed tube (8), a plurality of docking blocks 1 (11) are evenly fixed on the inner wall of the through hole (10), and a docking groove is formed between two adjacent docking blocks 1 (11), and a plurality of docking blocks 2 (26) are evenly fixed on the circumferential outer surface of the insertion rod (25), and the docking blocks 2 (26) are inserted into the docking groove.

3. A steel pipe arch rib linear measurement device according to claim 2, characterized in that: An outer annular groove is provided at the bottom of the outer surface of the fixed cylinder (8), an annular sliding groove is provided at the top of the side wall in the circumferential direction of the outer annular groove, an inner annular groove (19) is provided at the inner top of the movable cylinder (9), an annular sliding block (20) is fixed at the top of the inner side wall of the inner annular groove (19), and the annular sliding block (20) is slidably connected in the inner annular groove (19).

4. A steel pipe arch rib linear measurement device according to claim 3, characterized in that: The clamping mechanism comprises a plurality of inclined blocks (21) uniformly fixed to the inner bottom of the inner annular groove (19) and a plurality of movable grooves (12) uniformly opened on the outer surface of the docking block (11); an inlet and outlet (13) are opened on one side of the movable groove (12); the other end of the inlet and outlet (13) penetrates the outer surface of the outer annular groove; a clamping block (17) is slidably connected in the movable groove (12); a bevel column (18) is fixed in the middle of one side of the clamping block (17); the bevel end of the bevel column (18) penetrates into the inner annular groove (19) and is squeezed together with the bevel block (21).

5. The steel pipe arch rib linear measurement device according to claim 4, characterized in that: The inner walls on both sides of the movable groove (12) are provided with sliding grooves (14), the interior of the sliding groove (14) is slidably connected with a slider (15), the sliding groove (14) is also provided with a spring (16) matched with the slider (15), and the clamping block (17) is fixed between the two sliders (15).

6. A steel pipe arch rib linear measurement device according to claim 5, characterized in that: The clamping mechanism also includes a clamping groove (27) provided on the outer surface of the second docking block (26), and the clamping block (17) penetrates into the clamping groove (27) to clamp and fix the insertion rod (25) and the prism lens mounting tube (5).

7. A steel pipe arch rib linear measurement device according to claim 6, characterized in that: A plurality of top ear plates (23) are evenly fixed on the circumferential outer surface of the fixed cylinder (8), and a bottom ear plate (22) is fixed on the outer surface of the movable cylinder (9). The top ear plates (23) and the bottom ear plates (22) are fixed by fasteners (24).

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