Blade position detection device of fire damper

Abstract

The utility model discloses a fire damper blade position detection device, which comprises a detection table, a fire damper, a wind speed measuring instrument and an air blower, the rear side of the top of the detection table is fixedly connected with a second support frame, and the top end of the second support frame is provided with a clamping mechanism. The movable first support frame and the movable second support frame are arranged, the fixed second support frame is installed at the rear end of the detection table top, the movable first support frame is installed on the front side of the second support frame, and the fireproof valve for closing the blades is installed between the first support frame and the second support frame. The first supporting frame is arranged in the first supporting frame, the first supporting frame is close to the fireproof valve to clamp the fireproof valve, the fireproof valve is guaranteed to be stable, the air blower is arranged in the second supporting frame, the wind speed measuring instrument is arranged in the second supporting frame, the sealing degree of the blade at the position is judged through the wind speed detected by the wind speed measuring instrument, and the blade position detection device is flexible and variable, can use fireproof valves with different thicknesses and is convenient to use. Operation is simple, and detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire damper technical field especially relates to a fire damper vane position detection device. BACKGROUND

[0002] Fire damper is a kind of temperature control based on alloy, utilize the action of gravity and spring mechanism and close valve type.New product also has the valve that utilizes shape change of memory alloy and closes.It is used for: when smoke temperature reaches 280 DEG C, people have basically evacuated, and there is no practical significance to exhaust smoke, but smoke has fire at this time, and valve is automatically closed to avoid the spread of fire.

[0003] The operation process of the detection device of the vane position of the existing part of fire damper is cumbersome, not flexible and simple, so that the detection efficiency is not high;There are some devices that the fire damper is not stable, so that the detection result is not accurate, so that the locking and heat insulation effect of the fire damper cannot be guaranteed when it is used in the real scene. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of vane position detection devices of fire damper, the vane position detection device is flexible and variable, can use different thicknesses of fire damper, simple operation, improve detection efficiency;It is helpful to fire damper more fixed on detection table top, guarantee the stability of detection and the accuracy of detection result, ensure that it can effectively prevent the spread of smoke and fire.

[0005] To achieve the above object, provide a kind of vane position detection devices of fire damper, comprising: detection table, fire damper, wind speed measuring instrument and air blower, the top rear side of the detection table is fixedly connected with second support frame, the top of the second support frame is provided with clamping mechanism, the top rear side of the detection table is provided with air blower in middle part, the top of the detection table is provided with fire damper in middle part, the top front side of the detection table is provided with first support frame, the inner side of the first support frame is provided with crossbar, the left and right ends of the crossbar are respectively fixedly connected with the left and right inner walls of first support frame, the middle part of the crossbar is provided with wind speed measuring instrument, and the wind speed measuring instrument is 16026 handheld wind direction anemometer.

[0006] According to the vane position detection device of fire damper, the top left and right sides of the detection table are symmetrically provided with grooves, the inside of the groove on the left is rotatably connected with a threaded rod, the circumference of the threaded rod is threadedly connected with a threaded block, the front end left side of the detection table is fixedly connected with a second motor, and the driving end of the second motor is fixedly connected with the front end of the threaded rod.

[0007] According to the vane position detection device of fire damper, the inside of the groove on the right is fixedly connected with a sliding rod, and the circumference of the sliding rod is inserted with a sliding block.

[0008] According to the blade position detection device of the fire damper, the bottom end of the threaded block is fixedly connected with the left bottom front end of the first support frame, and the bottom end of the sliding block is fixedly connected with the right bottom front end of the first support frame.

[0009] According to the blade position detection device of the fire damper, the clamping mechanism comprises a first gear, a second gear, an electric telescopic rod and a clamping plate, the top middle part of the left and right sides of the second support frame is provided with a first gear, the right side of the left first gear is meshed and driven by a second gear, the front middle part of the right first gear is fixedly connected with the second gear and the electric telescopic rod, and the front end of the electric telescopic rod is fixedly connected with the clamping plate.

[0010] According to the blade position detection device of the fire damper, the clamping mechanism further comprises a rack belt and a motor, the outer sides of the two first gears are meshed and driven by the rack belt, and the rear middle part of the left first gear is fixedly connected with the motor.

[0011] According to the blade position detection device of the fire damper, the circumferential rear end of the electric telescopic rod is inserted into a limiting plate, and the bottom end of the limiting plate is fixedly connected with the top of the second support frame.

[0012] According to the blade position detection device of the fire damper, the second gear and the rear middle part of the right first gear are fixedly connected with a fixing rod, the bottom end of the fixing rod is fixedly connected with the top of the second support frame, and the first support frame and the second support frame are U-shaped, so as to surround the front and back of the fire damper, ensure that the periphery is not transparent, and simulate the pipeline space.

[0013] Beneficial effects:

[0014] 1、The first support frame and the second support frame can be moved, the second support frame is fixedly installed at the rear end on the detection table, the first support frame is movably installed at the front side of the second support frame, the fire damper is installed between the first support frame and the second support frame, the first support frame is clamped towards the fire damper to ensure stability, the air blower is installed in the second support frame, the air speed measuring instrument is installed in the second support frame, the sealing degree of the blade at the position is judged according to the detected air speed, the blade position detection device is flexible and variable, different thicknesses of the fire damper can be used, the operation is simple, and the detection efficiency is increased.

[0015] 2. The utility model discloses a clamping mechanism is installed on the top of the second support frame, and the cooperation of the first gear, the second gear and the rack belt in the clamping mechanism realizes the simultaneous inward rotation or outward rotation of the clamping plate, and then the clamping of the clamping plate is realized by using the electric telescopic rod, which helps the fire damper to be more fixed on the detection table, guarantees the stability of detection and the accuracy of detection results, and ensures that the fire damper can effectively prevent the spread of smoke and fire.

[0016] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and embodiments;

[0018] Figure 1 It is the stereoscopic structure front view of a fire damper's vane position detection device of the utility model;

[0019] Figure 2 It is Figure 1 The enlarged view of A in

[0020] Figure 3 It is the stereoscopic structure back view of a fire damper's vane position detection device of the utility model;

[0021] Figure 4 It is Figure 3 The enlarged view of B in

[0022] Figure 5 It is the stereoscopic structure assembly drawing of a fire damper's vane position detection device of the utility model.

[0023] LEGEND:

[0024] 1, detection table, 2, fire damper, 3, wind speed measuring instrument, 4, first support frame, 5, cross bar, 6, recess, 7, threaded rod, 8, threaded block, 9, sliding rod, 10, sliding block, 11, second support frame, 12, air blower, 13, first gear, 14, second gear, 15, rack belt, 16, motor, 17, electric telescopic rod, 18, limit plate, 19, clamping plate. DETAILED DESCRIPTION

[0025] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0026] Refer toFigures 1-5 The utility model discloses an embodiment of a fire damper's vane position detection device, it includes detection platform 1, fire damper 2, wind speed measuring instrument 3 and air blower 12, air blower 12 is spiral air blower, and the selection is suitable for industrial test type, the top rear side fixedly connected of detection platform 1 has second support frame 11, the top of second support frame 11 is provided with clamping mechanism, the top rear side middle part of detection platform 1 is provided with air blower 12, the top middle part of detection platform 1 is provided with fire damper 2, the top front side of detection platform 1 is provided with first support frame 4, the inside of first support frame 4 is provided with cross bar 5, and the left and right ends of cross bar 5 are fixedly connected with the left and right inner walls of first support frame 4, and the middle part of cross bar 5 is provided with wind speed measuring instrument 3.

[0027] The top left and right sides of detection platform 1 are symmetrically provided with recess 6, and the inside of left recess 6 is rotatably connected with threaded rod 7, and the circumference of threaded rod 7 is threadedly connected with threaded block 8, and the left end of detection platform 1 is fixedly connected with second motor, and the driving end of second motor is fixedly connected with the front end of threaded rod 7, and the inside of right recess 6 is fixedly connected with sliding rod 9, and the circumference of sliding rod 9 is inserted with sliding block 10, and the bottom end of threaded block 8 is fixedly connected with the left side bottom front end of first support frame 4, and the bottom end of sliding block 10 is fixedly connected with the right side bottom front end of first support frame 4, and the clamping mechanism includes first gear 13, second gear 14, electric telescopic rod 17 and clamping plate 19, and the top middle part left and right sides of second support frame 11 are provided with first gear 13, and the right side of left first gear 13 is meshingly driven with second gear 14, and the front side middle part of second gear 14 and right first gear 13 are fixedly connected with electric telescopic rod 17, and the front end of electric telescopic rod 17 is fixedly connected with clamping plate 19, and the structure of control clamping plate 19 is to keep the stability of fire damper 2 installation, guarantee the accuracy of test structure, and the outside of two first gears 13 is meshingly driven with rack belt 15, and the rear side middle part of left first gear 13 is fixedly connected with motor 16, and the circumference rear end of electric telescopic rod 17 is inserted with limit plate 18, and the bottom end of limit plate 18 is fixedly connected with the top of second support frame 11, and the rear side middle part of second gear 14 and right end first gear 13 are fixedly connected with fixed rod, and the bottom end of fixed rod is fixedly connected with the top of second support frame 11, and first support frame 4 and second support frame 11 are U-shaped.

[0028] Working principle: the fire damper 2 which has closed the blade is placed between the second support frame 11 and the first support frame 4 on the detection table 1, and the fire damper 2 is attached to the front end of the second support frame 11, the first gear 13 and the second gear 14 in the clamping mechanism are rotated, the clamping plate 19 is placed vertically, the clamping plate 19 is used to clamp the left and right sides of the fire damper 2 by retracting the electric telescopic rod 17 backward, the first support frame 4 is driven to move close to the fire damper 2 by the cooperation of the threaded rod 7 and the threaded block 8 until the fire damper 2 is clamped, then the air blower 12 works to generate wind to blow to the closed blade inside the fire damper 2, and the air velocity measuring instrument 3 on the front side measures the outlet air velocity.

[0029] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A blade position detection device for a fire damper, comprising: The utility model provides a detection platform, fire damper, wind speed measuring instrument (3) and air blower (12), its characterized in be fixedly connected with second support frame (11) in the top rear side of detection platform (1), the top of second support frame (11) is provided with clamping mechanism, the top rear side of detection platform (1) is provided with air blower (12) in the middle, the top of detection platform (1) is provided with fire damper (2) in the middle, the top of detection platform (1) is provided with first support frame (4) in the front side, the inside of first support frame (4) is provided with crossbar (5), the left and right ends of crossbar (5) are fixedly connected with the left and right inner walls of first support frame (4) respectively, and the middle of crossbar (5) is provided with wind speed measuring instrument (3).

2. A blade position detecting device for a fire damper according to claim 1, wherein The top of detection platform (1) is provided with recess (6) on both sides, and the inside of the left recess (6) is rotatably connected with threaded rod (7), the circumference of threaded rod (7) is threadedly connected with threaded block (8), and the front end of second motor is fixedly connected with the left side of the front end of detection platform (1).

3. A blade position detecting device for a fire damper according to claim 2, wherein The inside of the right recess (6) is fixedly connected with slide rod (9), and the circumference of slide rod (9) is inserted with slide block (10).

4. A blade position detecting device for a fire damper according to claim 3, wherein The bottom end of threaded block (8) is fixedly connected with the left side of the front end of first support frame (4), and the bottom end of slide block (10) is fixedly connected with the right side of the front end of first support frame (4).

5. A blade position detecting device for a fire damper according to claim 4, wherein The clamping mechanism comprises first gear (13), second gear (14), electric telescopic rod (17) and clamping plate (19), the top of second support frame (11) is provided with first gear (13) on both sides, the right side of left first gear (13) is engaged with second gear (14), the front side of second gear (14) and the right first gear (13) are fixedly connected with electric telescopic rod (17), and the front end of electric telescopic rod (17) is fixedly connected with clamping plate (19).

6. A blade position detecting device for a fire damper according to claim 5, wherein The clamping mechanism further comprises rack belt (15) and motor (16), and the outside of two first gears (13) is engaged with rack belt (15), and the rear side of left first gear (13) is fixedly connected with motor (16).

7. A blade position detecting device for a fire damper according to claim 6, wherein The circumference of electric telescopic rod (17) is inserted with limiting plate (18), and the bottom end of limiting plate (18) is fixedly connected with the top of second support frame (11).

8. A blade position detecting device for a fire damper according to claim 7, wherein The rear side of second gear (14) and the right first gear (13) are fixedly connected with fixed rod, the bottom end of fixed rod is fixedly connected with the top of second support frame (11), and the first support frame (4) and the second support frame (11) are both U-shaped.

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