Pressure testing device for fire water supply system

Abstract

The utility model discloses a pressure testing device for a fire water supply system, which is applied to the field of fire water supply testing and comprises a platform, the top of the platform is respectively provided with a pipeline and a flow meter which are fixedly connected with the platform, and one end of the pipeline and one end of the flow meter are communicated with mounting rings. When a pressure test is carried out on the fire water supply system, one end of the pipeline is communicated with the water supply pipe, one end of the flowmeter is communicated with the water outlet pipe, in the communication process, the widths of flanges at the ends of the water supply pipe and the water outlet pipe are preferentially and roughly determined, and then a first knob is adjusted, so that the two clamping blocks are close to each other; at the moment, the water supply pipe and the water outlet pipe are in contact with the mounting ring from top to bottom, then a clamping block and a loosening knob II are sequentially adjusted, so that a bolt and the clamping block are in close contact with the other end of the flange of the water supply pipe and the other end of the flange of the water outlet pipe, close mounting of the fire water supply system and the testing device is completed, and the mounting mode of the testing device is convenient to operate.

Description

Technical Field

[0001] The utility model belongs to the field of fire water supply testing, in particular to a fire water supply system pressure testing device. Background Art

[0002] Fire water supply system: A water supply system that uses water as a fire extinguishing agent to fight fires. It consists of a water source, a fire water supply network, a fire water tank, a fire pump and fire hydrants, automatic sprinkler fire extinguishing facilities, etc. Current technology often requires testing the pressure of the fire water supply pipe.

[0003] At present, a Chinese utility model with the announcement number of CN 218326572 U discloses a fire water supply system pressure test device, which relates to the technical field of fire water supply test; the utility model includes a test bench and two fire water supply pipes, a pressure transmitter and a flow transmitter are fixedly provided on the upper surface of the test bench, one end of the pressure transmitter is fixedly connected to one end of the flow transmitter, and two fixing rods are fixedly installed on the upper surface of the test bench; by inserting the two fire water supply pipes into the ends of the pressure transmitter and the flow transmitter respectively, and driving the two adjacent arc-shaped fixing plates to move toward each other, so that the four arc-shaped protective pads are in contact with the outer walls of the two fire water supply pipes, the four arc-shaped fixing plates fix the two fire water supply pipes, so that the two fire water supply pipes are respectively fixed at the ends of the pressure transmitter and the flow transmitter, thereby conveniently realizing the fixation of the fire water supply pipes, and compared with the existing technology of fixing by bolts and flanges, the convenience of fixing the fire water supply pipes is effectively improved.

[0004] The fire water supply system pressure testing device has the beneficial effect of improving the convenience of fixing the fire water supply pipe, but during the fixation, the fixed placement can only provide tightening pressure on both sides of the water supply pipe, and the tightening force between the fixed sleeve and the water supply pipe needs to rely on manpower to resist, and then fix the position of the water supply pipe. The fixing method requires two people to cooperate, which is inconvenient to fix. At the same time, when the height of the fire water supply pipe is high, the height of the test device cannot be flexibly adjusted to match the height of the fixed sleeve and the water supply pipe for matching connection. Utility Model Content

[0005] The purpose of the utility model is to provide a fire water supply system pressure testing device, which has advantages and functions.

[0006] The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a fire water supply system pressure testing device comprises a platform, the top of the platform is respectively provided with a pipeline and a flow meter fixedly connected to the platform, one end of the pipeline and one end of the flow meter are connected with a mounting ring, both sides of the mounting ring are fixedly installed with mounting blocks, one side of the mounting block is rotatably connected with a screw rod 1 through a bearing, the surface of the screw rod 1 is threadedly connected with a threaded block 1, one side of the threaded block 1 is fixedly installed with a cross plate, one side of the cross plate is provided with a clamping block, a base is provided at the bottom of the platform, the interior of the base is rotatably connected with a screw rod 2 through a bearing, both ends of the screw rod 2 are threadedly connected with a threaded block 2, a guide rod 2 is fixedly installed inside the platform, both ends of the guide rod 2 are slidably sleeved with guide blocks, and a connecting rod is rotatably connected between the guide block and the threaded block 2.

[0007] The above technical solution is adopted: when the fire water supply system is pressure tested, one end of the pipe is connected to the water supply pipe, and one end of the flow meter is connected to the water outlet pipe. During the connection, the width of the flanges of the water supply pipe and the water outlet pipe is roughly determined, and then the knob one is adjusted to make the two clamping blocks close to each other. At this time, the water supply pipe and the water outlet pipe are contacted with the installation ring from top to bottom, and then the clamping blocks are adjusted in turn, and the knob two is loosened to make the bolts and the clamping blocks closely contact the other end of the flange of the water supply pipe and the water outlet pipe, thereby completing the close installation of the fire water supply system and the test device. The installation method of the test device is easy to operate and can be completed by one person. In the connection between the pipeline and the fire water supply pipe, when there is a height difference between the fire water supply pipe and the pipeline, the rocker can be turned to drive the screw rod 2 to rotate, so that the two threaded blocks 2 can move in the opposite direction. At this time, the two connecting rods rotate through the rotating shaft, so that the bottom and the top of the two connecting rods are close to each other, and the longitudinal movement of the platform on the top of the base is realized. This setting makes it easy to eliminate the height difference between the fire water supply pipe and the pipeline, increases the flexibility of the use of the device, and reduces the convenience for the operator.

[0008] The utility model is further configured such that the other end of the pipeline and the other end of the flow meter are connected to each other, and the top of the pipeline is connected to a pressure transmitter.

[0009] The above technical solution is adopted: pressure detection is performed by using a pressure transmitter in conjunction with the device.

[0010] The utility model is further configured that a guide rod 1 located on both sides of a screw rod 1 is fixedly mounted on one side of the mounting block, and a guide hole 1 for slidingly cooperating with the guide rod 1 is opened inside the threaded block 1.

[0011] The above technical solution is adopted: guiding is performed through a guide rod 1, a guide hole 1 and a threaded block 1.

[0012] The utility model is further configured that a knob one is fixedly mounted on one end of the screw rod one, and a sealing ring is fixedly adhered to one side of the mounting ring.

[0013] The above technical solution is adopted: the screw rod is driven to rotate by the knob, and the sealing ring ensures the connection seal between the installation ring and the water supply pipe.

[0014] The utility model is further configured such that one end of the clamping block is rotatably connected to a bolt penetrating one side of the horizontal plate through a bearing, a through groove is provided inside the horizontal plate for the bolt to penetrate, and a knob 2 is threadedly connected to the surface of the bolt.

[0015] The above technical solution is adopted: the bolt is tightened by rotating the second knob, and the through slot cooperates with the bolt to penetrate the horizontal plate.

[0016] The utility model is further configured that a sliding block is fixedly installed at the bottom of the threaded block 2, and a sliding groove for cooperating with the sliding block is provided inside the base.

[0017] The above technical solution is adopted: the sliding block and the sliding groove cooperate with the threaded block 2 for movement and guidance.

[0018] The utility model is further configured that one end of the second screw rod passes through one side of the base and is fixedly mounted with a rocker, and the top of the base is fixedly mounted with mutually symmetrical universal wheels.

[0019] By adopting the above technical solution, the rocker wheel can be used to drive the screw rod 2 to rotate, and the universal wheel can be used to move the test device.

[0020] The utility model is further configured that positioning rods are fixedly installed at both ends of the top of the base, and positioning holes for plugging in with the positioning rods are opened at both ends of the bottom of the platform.

[0021] The above technical solution is adopted: positioning is performed between the platform and the base through the coordination of the positioning rod and the positioning hole.

[0022] In summary, the utility model has the following beneficial effects:

[0023] 1. When the utility model performs pressure testing on the fire water supply system, one end of the pipeline is connected to the water supply pipe, and one end of the flow meter is connected to the water outlet pipe. During the connection, the width of the flanges of the water supply pipe and the water outlet pipe is roughly determined, and then the knob 1 is adjusted to make the two clamping blocks close to each other. At this time, the water supply pipe and the water outlet pipe are contacted with the installation ring from top to bottom, and then the clamping blocks are adjusted in turn, and the knob 2 is loosened to make the bolts and the clamping blocks closely contact the other end of the flanges of the water supply pipe and the water outlet pipe, thereby completing the close installation of the fire water supply system and the test device. The installation method of the test device is convenient to operate and can be completed by one person;

[0024] 2. In the connection between the pipeline and the fire water supply pipe, when there is a height difference between the fire water supply pipe and the pipeline, the rocker can be rotated to drive the screw rod 2 to rotate, so that the two threaded blocks 2 can move in the opposite direction. At this time, the two connecting rods rotate through the rotating shaft, so that the bottom and the top of the two connecting rods are close to each other, and the longitudinal movement of the platform on the top of the base is realized. This arrangement facilitates the elimination of the height difference between the fire water supply pipe and the pipeline, increases the flexibility of the use of the device, and reduces the convenience for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is an exploded and enlarged schematic diagram of the installation ring and the horizontal plate of the utility model;

[0027] Figure 3 It is a front view and cross-sectional schematic diagram of the base and the platform of the utility model.

[0028] Figure numerals: 1. base; 2. platform; 3. pipeline; 4. pressure transmitter; 5. flow meter; 6. mounting ring; 7. mounting block; 8. screw rod 1; 9. knob 1; 10. threaded block 1; 11. cross plate; 12. clamping block; 13. through groove; 14. bolt; 15. knob 2; 16. guide rod 1; 17. guide hole; 18. guide block; 19. guide rod 2; 20. positioning rod; 21. positioning hole; 22. slider; 23. slide groove; 24. universal wheel; 25. rocker; 26. screw rod 2; 27. threaded block 2; 28. sealing ring; 29. ​​connecting rod. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0030] Embodiment 1:

[0031] refer to Figure 1 and Figure 2A fire water supply system pressure test device comprises a platform 2, a pipe 3 and a flow meter 5 fixedly connected to the platform 2 are respectively arranged on the top of the platform 2, one end of the pipe 3 and one end of the flow meter 5 are connected with a mounting ring 6, both sides of the mounting ring 6 are fixedly installed with mounting blocks 7, one side of the mounting block 7 is rotatably connected with a screw rod 8 through a bearing, the surface of the screw rod 8 is threadedly connected with a threaded block 10, one side of the threaded block 10 is fixedly installed with a cross plate 11, and one side of the cross plate 11 is provided with a clamping block 12. When the fire water supply system is pressure tested, the pipe 3 is connected to the flow meter 5, and the mounting ring 6 is connected to the mounting block 7, and the mounting block 7 is fixedly installed with a screw rod 8 through a bearing, and the surface of the screw rod 8 is threadedly connected with a threaded block 10, and the cross plate 11 is fixedly installed with a cross plate 1 ... cross plate 11. One end is connected with the water supply pipe, and one end of the flow meter 5 is connected with the water outlet pipe. During the connection, it is preferred to roughly determine the width of the flanges of the water supply pipe and the water outlet pipe, and then adjust the knob 1 9 to make the two clamping blocks 12 close to each other. At this time, the water supply pipe and the water outlet pipe are in contact with the mounting ring 6 from top to bottom, and then adjust the clamping blocks 12 in turn, loosen the knob 2 15, so that the bolt 14 and the clamping block 12 are in close contact with the other end of the flange of the water supply pipe and the water outlet pipe, thereby completing the close installation of the fire water supply system and the test device. The installation method of the test device is easy to operate and can be completed by one person.

[0032] refer to Figure 1 The other end of the pipeline 3 and the other end of the flow meter 5 are connected to each other, and the top of the pipeline 3 is connected to a pressure transmitter 4, and pressure detection is performed through the pressure transmitter 4 in conjunction with the device.

[0033] refer to Figure 2 A guide rod 16 is fixedly installed on one side of the mounting block 7 and is located on both sides of the screw rod 8. A guide hole 17 is opened inside the threaded block 10 for sliding with the guide rod 16. The guide rod 16 and the guide hole 17 cooperate with the threaded block 10 for guidance.

[0034] refer to Figure 2 A knob 9 is fixedly mounted on one end of the screw rod 8, and a sealing ring 28 is fixedly bonded to one side of the mounting ring 6. The knob 9 is used to drive the screw rod 8 to rotate, and the sealing ring 28 ensures the connection seal between the mounting ring 6 and the water supply pipe.

[0035] refer to Figure 2 One end of the clamping block 12 is rotatably connected to a bolt 14 that penetrates one side of the horizontal plate 11 through a bearing. A through slot 13 is provided inside the horizontal plate 11 to cooperate with the bolt 14 to penetrate. A knob 2 15 is threadedly connected to the surface of the bolt 14. The bolt 14 is tightened by rotating the knob 2 15. The through slot 13 cooperates with the bolt 14 to penetrate the horizontal plate 11.

[0036] Brief description of the use process: When conducting a pressure test on the fire water supply system, connect one end of the pipe 3 to the water supply pipe and one end of the flow meter 5 to the water outlet pipe. During the connection, first determine the width of the flanges at the ends of the water supply pipe and the water outlet pipe. Then adjust the knob 9. During the rotation of the screw 8, the threaded block 10 drives the cross plate 11 and the clamping block 12 to approach each other. The two clamping blocks 12 are designed horizontally. At this time, the water supply pipe and the water outlet pipe are in contact with the installation ring 6 from top to bottom. At this time, one end of the flange of the water supply pipe and the water outlet pipe is in contact with the installation ring 6, and the other end is in contact with the clamping block 1 2 contact, this is the initial fixation, which can roughly fix the position of the water supply pipe and the water outlet pipe, and then adjust the clamping block 12 in turn, loosen the knob 215, so that the bolt 14 and the clamping block 12 are in close contact with the other end of the flange of the water supply pipe and the water outlet pipe, and one end of the flange is in close contact with the sealing ring 28, and then tighten the knob 215 to complete the fixation of the clamping block 12, thereby completing the close installation of the fire water supply system and the test device. The installation method of the test device is easy to operate and can be completed by one person. At the same time, the sealing ring 28 is used to ensure the connection seal between the installation ring 6 and the water supply pipe.

[0037] Embodiment 2:

[0038] refer to Figure 1 and Figure 3 , a fire water supply system pressure testing device, including a platform 2, a base 1 is provided at the bottom of the platform 2, a screw rod 26 is rotatably connected to the inside of the base 1 through a bearing, and both ends of the screw rod 26 are threadedly connected to threaded blocks 27, a guide rod 19 is fixedly installed inside the platform 2, and both ends of the guide rod 19 are slidably sleeved with guide blocks 18, and a connecting rod 29 is rotatably connected between the guide block 18 and the threaded block 27. When connecting the pipeline 3 with the fire water supply pipe, when there is a height difference between the fire water supply pipe and the pipeline 3, the screw rod 26 can be driven to rotate by rotating the rocker 25, so that the two threaded blocks 27 can move in the opposite direction. At this time, the two connecting rods 29 are rotated through the rotating shaft, so that the bottom and top of the two connecting rods 29 are close to each other, so that the longitudinal movement of the platform 2 on the top of the base 1 is realized. Through this arrangement, it is convenient to eliminate the height difference between the fire water supply pipe and the pipeline 3, increase the flexibility of the use of the device, and reduce the convenience for operators.

[0039] refer to Figure 3 A slider 22 is fixedly installed at the bottom of the threaded block 27, and a slide groove 23 for cooperating with the slider 22 is provided inside the base 1. The slider 22 and the slide groove 23 cooperate with the threaded block 27 to move and guide.

[0040] refer to Figure 1One end of the screw rod 26 passes through one side of the base 1 and is fixedly installed with a rocking wheel 25. The top of the base 1 is fixedly installed with symmetrical universal wheels 24. The rocking wheel 25 can easily drive the screw rod 26 to rotate, and the universal wheel 24 can easily move the test device.

[0041] refer to Figure 3 Both ends of the top of the base 1 are fixedly installed with positioning rods 20, and both ends of the bottom of the platform 2 are provided with positioning holes 21 for plugging with the positioning rods 20. The positioning rods 20 and the positioning holes 21 are used to coordinate the platform 2 and the base 1 for positioning.

[0042] Brief description of the use process: When connecting the pipe 3 with the fire water supply pipe, when there is a height difference between the fire water supply pipe and the pipe 3, the rocker 25 can be rotated to drive the screw rod 26 to rotate, so that the two threaded blocks 27 can move in the opposite direction, and the slider 22 and the slide groove 23 cooperate with the threaded block 27 to move and guide. At this time, the two connecting rods 29 rotate through the rotating shaft, so that the bottom and top of the two connecting rods 29 are close to each other, realizing the longitudinal movement of the platform 2 on the top of the base 1. This setting makes it easy to eliminate the height difference between the fire water supply pipe and the pipe 3, increases the flexibility of the device, and reduces the convenience for the operator. At the same time, the positioning rod 20 and the positioning hole 21 cooperate with the platform 2 and the base 1 for positioning.

[0043] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A fire water supply system pressure testing device, comprising a platform (2), characterized in that: The top of the platform (2) is provided with a pipeline (3) and a flow meter (5) fixedly connected to the platform (2), respectively; one end of the pipeline (3) and one end of the flow meter (5) are both connected to a mounting ring (6); mounting blocks (7) are fixedly installed on both sides of the mounting ring (6); one side of the mounting block (7) is rotatably connected to a screw rod (8) via a bearing; the surface of the screw rod (8) is threadedly connected to a threaded block (10); one side of the threaded block (10) is fixedly installed with a transverse plate (11); the transverse plate A clamping block (12) is provided on one side of the platform (11), a base (1) is provided at the bottom of the platform (2), a screw rod (26) is rotatably connected to the inside of the base (1) through a bearing, and both ends of the screw rod (26) are threadedly connected to a threaded block (27), a guide rod (19) is fixedly installed inside the platform (2), and both ends of the guide rod (19) are slidably sleeved with a guide block (18), and a connecting rod (29) is rotatably connected between the guide block (18) and the threaded block (27).

2. A fire water supply system pressure testing device according to claim 1, characterized in that: The other end of the pipeline (3) and the other end of the flow meter (5) are connected to each other, and the top of the pipeline (3) is connected to a pressure transmitter (4).

3. A fire water supply system pressure testing device according to claim 1, characterized in that: A guide rod (16) located on both sides of a screw rod (8) is fixedly mounted on one side of the mounting block (7), and a guide hole (17) for slidingly cooperating with the guide rod (16) is provided inside the threaded block (10).

4. A fire water supply system pressure testing device according to claim 1, characterized in that: A knob (9) is fixedly mounted on one end of the screw rod (8), and a sealing ring (28) is fixedly bonded to one side of the mounting ring (6).

5. A fire water supply system pressure testing device according to claim 1, characterized in that: One end of the clamping block (12) is rotatably connected to a bolt (14) penetrating one side of the horizontal plate (11) through a bearing; a through slot (13) for the bolt (14) to penetrate is provided inside the horizontal plate (11); a second knob (15) is threadedly connected to the surface of the bolt (14).

6. A fire water supply system pressure testing device according to claim 1, characterized in that: A sliding block (22) is fixedly mounted on the bottom of the second threaded block (27), and a sliding groove (23) is provided inside the base (1) for cooperating with the sliding block (22) for sliding.

7. A fire water supply system pressure testing device according to claim 1, characterized in that: One end of the second screw rod (26) passes through one side of the base (1) and is fixedly mounted with a rocker (25); and mutually symmetrical universal wheels (24) are fixedly mounted on the top of the base (1).

8. A fire water supply system pressure testing device according to claim 1, characterized in that: Positioning rods (20) are fixedly mounted at both ends of the top of the base (1), and positioning holes (21) for plugging in with the positioning rods (20) are provided at both ends of the bottom of the platform (2).

Images