Positioning mechanism of alarm for water conservancy project

Abstract

The utility model belongs to the technical field of hydraulic engineering, in particular to a positioning mechanism of an alarm for hydraulic engineering, which comprises a mounting frame, two mounting blocks are fixedly mounted on the mounting frame, the bottom of the mounting frame is provided with the alarm, and the two mounting blocks are both provided with mounting structures. The mounting structure comprises a mounting cavity formed in the mounting block and a groove formed in the bottom of the mounting block, a through hole is formed between the mounting cavity and the groove, a rotating shaft is rotationally mounted on the inner wall of one side of the mounting cavity and the groove, the rotating shaft is fixedly sleeved with a double-section connecting rod and a worm wheel, and an arc-shaped block is rotationally mounted on the double-section connecting rod; and screw rods are rotationally mounted on the inner walls of the two sides of the groove. The positioning mechanism of the alarm for the water conservancy project is simple in structure and convenient to use, the alarm channel can be conveniently mounted and dismounted, and later maintenance is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a positioning mechanism of an alarm for water conservancy projects. Background Art

[0002] Water conservancy projects are a general term for various engineering projects built to control, utilize and protect surface and underground water resources and the environment. Projects built to eliminate water disasters and develop and utilize water resources are divided into flood control projects, farmland water conservancy projects, hydropower projects, waterway and port projects, water supply and drainage projects, environmental water conservancy projects and sea reclamation projects according to their service objects.

[0003] Alarms are needed for warning in the construction of water conservancy projects. In the prior art, the alarm needs to be installed and fixed before use to keep the alarm firm so that it can be used normally. During the installation of the alarm, the following defects mainly exist: when the alarm is installed, the alarm is mostly fixed with bolts. This installation method requires tightening the bolts multiple times, and when the alarm is damaged, it is not convenient to disassemble the alarm, which affects the maintenance of the alarm and reduces the installation and disassembly efficiency of the alarm. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a positioning mechanism for an alarm for water conservancy projects.

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

[0006] The cam is an angular channel formed between a pair of camshafts and a pair of camshafts, and the camshafts are connected by a threaded connection to the top of the camshaft to allow the cam to move freely in the camshaft, thereby preventing the camshaft from moving freely in the camshaft.

[0007] Preferably, one end of the two worm gears is fixedly sleeved with a crank.

[0008] Preferably, the thread directions of the two screw rods located in the same groove are arranged in opposite directions.

[0009] Preferably, two slide grooves are provided at the tops of the two grooves, and sliders fixedly connected to the corresponding screw guide sleeves are slidably installed in the slide grooves.

[0010] Preferably, the bottoms of the two installation cavities are each provided with a sliding groove, and a connecting block fixedly connected to the arc block is slidably installed in the two sliding grooves.

[0011] Preferably, the two connecting rods are sleeved with return springs, one end of the two return springs is fixed to the corresponding connecting rod, and the other end is fixed to the inner wall of the corresponding through hole.

[0012] In the utility model, the positioning mechanism of the alarm for water conservancy project, when the alarm needs to be fixed and installed, first place the alarm between the positioning plates on both sides, then drive the corresponding worm to rotate by turning the two cranks, the worm drives the corresponding worm wheel to rotate, the worm wheel drives the double-section connecting rod to rotate, and then drive the corresponding arc block to move leftward, the arc block squeezes the roller, and then drives the L-shaped plate to move upward, and then drives the corresponding rack to move upward, and then drives the corresponding gear to rotate, and then drives the corresponding two screw rods with opposite thread directions to rotate, and then drives the corresponding two screw guide sleeves to move towards each other, and then drives the corresponding two positioning plates to move towards each other, and then clamps and fixes the alarm, and completes the installation and fixation of the alarm, and when the alarm needs to be disassembled, it can be done by turning the crank in the opposite direction. The utility model has a simple structure and is easy to use. The positioning mechanism of the alarm for water conservancy project is convenient for the installation and disassembly of the alarm, and is convenient for later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a positioning mechanism of an alarm for a water conservancy project proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of a mounting block of a positioning mechanism of an alarm for a water conservancy project proposed by the utility model;

[0015] Figure 3 This is a structural schematic diagram of part A of a positioning mechanism of an alarm for a water conservancy project proposed by the utility model;

[0016] Figure 4 The present invention is a schematic structural diagram of part B of a positioning mechanism of an alarm for a water conservancy project proposed by the present invention.

[0017] In the figure: 1 alarm, 2 crank, 3 mounting block, 4 mounting frame, 5 groove, 6 positioning plate, 7 screw, 8 screw guide sleeve, 9 mounting cavity, 10 worm, 11 rotating shaft, 12 worm wheel, 13 double-section connecting rod, 14 L-type plate, 15 roller, 16 arc block, 17 gear, 18 return spring, 19 connecting rod, 20 rack. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-4 A positioning mechanism for an alarm for a water conservancy project comprises a mounting frame 4, on which two mounting blocks 3 are fixedly mounted and an alarm 1 is arranged at the bottom, and mounting structures are arranged on the two mounting blocks 3, the mounting structures comprise a mounting cavity 9 provided inside the mounting block 3 and a groove 5 provided at the bottom of the mounting block 3, a through hole is provided between the mounting cavity 9 and the groove 5, and a rotating shaft 11 is rotatably mounted on the inner wall of one side, a double-section connecting rod 13 and a worm gear 12 are fixedly sleeved on the rotating shaft 11, an arc block 16 is rotatably mounted on the double-section connecting rod 13, and both sides of the inner wall of the groove 5 are rotatably mounted. A screw rod 7 is installed, and a screw rod guide sleeve 8 is threadedly sleeved on the two screw rods 7, and the same gear 17 is fixedly sleeved on the ends close to each other. A positioning plate 6 is fixedly installed at the bottom of the two screw rod guide sleeves 8, and a connecting rod 19 is movably installed in the through hole. The top of the connecting rod 19 is actively installed with the vertical part of the L-shaped plate 14 and the bottom end is fixedly installed with a rack 20 that meshes with the gear 17. A roller 15 compatible with the arc block 16 is rotatably installed at the bottom of the horizontal part of the L-shaped plate 14, and a worm 10 that meshes with the worm wheel 12 is rotatably installed on one side of the mounting block 3.

[0020] In the utility model, one end of two worm gears 10 is fixedly sleeved with a crank 2, and the worm gears 10 are conveniently rotated by the crank 2.

[0021] In the present invention, the thread directions of the two screw rods 7 located in the same groove 5 are arranged in opposite directions, and the opposite arrangement can make the moving directions of the two screw rod guide sleeves 8 located in the same groove 5 opposite.

[0022] In the utility model, two slide grooves are provided at the tops of the two grooves 5, and sliders fixedly connected to the corresponding screw guide sleeves 8 are slidably installed in the slide grooves, so that the movement of the screw guide sleeves 8 is facilitated by the slide grooves and the sliders.

[0023] In the present invention, sliding grooves are provided at the bottom of the two installation cavities 9, and connecting blocks fixedly connected to the arc block 16 are slidably installed in the two sliding grooves, so that the movement of the arc block 16 is facilitated by the sliding grooves and the connecting blocks.

[0024] In the present invention, the two connecting rods 19 are sleeved with a return spring 18 , one end of the two return springs 18 is fixed to the corresponding connecting rod 19 , and the other end is fixed to the inner wall of the corresponding through hole, so that the return spring 18 facilitates the return of the connecting rod 19 .

[0025] In the utility model, when it is necessary to fix and install the alarm 1, first place the alarm 1 between the positioning plates 6 on both sides, and then rotate the two cranks 2 to drive the corresponding worm 10 to rotate, the worm 10 drives the corresponding worm wheel 12 to rotate, the worm wheel 12 drives the rotation of the double-section connecting rod 13, and the corresponding arc block 16 can be driven to move leftward, the arc block 16 squeezes the roller 15, and the L-shaped plate 14 can be driven to move upward, and the corresponding rack 20 can be driven to move upward, and the rack 20 drives the corresponding gear 17 to rotate, and the corresponding two screw rods 7 with opposite thread directions can be driven to rotate, and the corresponding two screw rod guide sleeves 8 can be driven to move toward each other, and the corresponding two positioning plates 6 can be driven to move toward each other, so that the alarm 1 can be clamped and fixed, and the installation and fixation of the alarm 1 is completed. When it is necessary to disassemble the alarm 1, it can be done by rotating the crank 2 in the opposite direction. The utility model has a simple structure and is easy to use. The positioning mechanism of the alarm for a water conservancy project is convenient for installation and disassembly of the alarm and for later maintenance.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A positioning mechanism for an alarm for a hydraulic engineering project, comprising a mounting frame (4), characterized in that: Two mounting blocks (3) are fixedly mounted on the mounting frame (4) and an alarm (1) is provided at the bottom. Both mounting blocks (3) are provided with mounting structures, and the mounting structures include a mounting cavity (9) provided inside the mounting block (3) and a groove (5) provided at the bottom of the mounting block (3). A through hole is provided between the mounting cavity (9) and the groove (5), and a rotating shaft (11) is rotatably mounted on one inner wall. A double-section connecting rod (13) and a worm gear (12) are fixedly sleeved on the rotating shaft (11). An arc block (16) is rotatably mounted on the double-section connecting rod (13). Screw rods (7) are rotatably mounted on the inner walls of both sides of the groove (5). Each screw rod (7) is threadedly sleeved with a screw rod guide sleeve (8) and one end close to each other is fixedly sleeved with a same gear (17). A positioning plate (6) is fixedly installed at the bottom of each screw rod guide sleeve (8). A connecting rod (19) is movably installed in the through hole. The top of the connecting rod (19) is actively installed with the vertical part of the L-shaped plate (14) and the bottom is fixedly installed with a rack (20) meshing with the gear (17). A roller (15) adapted to the arc block (16) is rotatably installed at the bottom of the horizontal part of the L-shaped plate (14). A worm (10) meshing with the worm wheel (12) is rotatably installed on one side of the mounting block (3).

2. The positioning mechanism of a water conservancy engineering alarm according to claim 1, characterized in that: One end of the two worm screws (10) is fixedly sleeved with a crank (2).

3. The positioning mechanism of a water conservancy engineering alarm according to claim 1, characterized in that: The thread directions of the two screw rods (7) located in the same groove (5) are arranged in opposite directions.

4. The positioning mechanism of a water conservancy engineering alarm according to claim 1, characterized in that: Two slide grooves are provided at the tops of the two grooves (5), and sliding blocks fixedly connected to the corresponding screw guide sleeves (8) are slidably installed in the slide grooves.

5. The positioning mechanism of the water conservancy engineering alarm according to claim 1, characterized in that: The bottoms of the two installation cavities (9) are each provided with a sliding groove, and a connecting block fixedly connected to the arc block (16) is slidably installed in the two sliding grooves.

6. The positioning mechanism of a water conservancy engineering alarm according to claim 1, characterized in that: The two connecting rods (19) are sleeved with a return spring (18), one end of the two return springs (18) is fixed on the corresponding connecting rod (19), and the other end is fixed on the inner wall of the corresponding through hole.

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