Wave guide fixing device for guided wave radar

Abstract

The utility model relates to a waveguide tube fixing device for a waveguide radar, which comprises a base and a tube seat, the tube seat is arranged at the top of the base and is provided with a clamping groove capable of opening and closing to fix a waveguide tube, the top of the base is connected with an adjusting seat, the top of the adjusting seat is provided with a translation groove, the tube seat is provided with a sliding block connected in the translation groove in a sliding mode, and the sliding block is provided with a clamping groove. A tooth groove parallel to the translation groove is formed in the side face of the sliding block, the translation groove is provided with a gear groove communicated to the side face of the adjusting base, a driving gear is connected into the gear groove through a shaft, one side of the driving gear extends into the translation groove to be meshed with the tooth groove, and the other side of the driving gear extends to the side face of the adjusting base. The adjusting seat is further provided with a locking mechanism used for fixing the driving gear. The driving gear is matched with the tooth groove, the sliding block is driven to move along the translation groove, the tube base is driven to translate towards the side face, the position deviation of the clamping groove caused by the inconvenient installation position of the base is eliminated, the bending rate of the installed wave guide tube is prevented from being too large, and the wave guide effect is prevented from being reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water conservancy monitoring, and in particular to a waveguide fixing device for a waveguide radar. BACKGROUND

[0002] The radar liquid level meter is designed based on the electromagnetic wave reflection principle, uses different ultrasonic waves, and electromagnetic waves propagate in the medium of dilute gas, vacuum or semi-liquid vapor under the condition of half diffusion, and the propagation speed is not affected by any fluctuations of gas and liquid, which can be used for liquid level measurement of volatile liquid and has strong adaptability. When the waveguide of the radar liquid level meter is installed in the water area to be measured, a plurality of fixing piles for installing the waveguide are punched on the slope, and laser points are used to guide the installation position of the fixing piles, so that the installed waveguide is kept straight and the sound wave propagation is not affected. However, when the fixing piles are punched on the slope of the pond, the slope of the pond is uneven due to a large number of stones, so the fixing piles cannot be punched according to the laser point position, and are easy to deviate to the side, resulting in excessive bending of the installed waveguide, which reduces the waveguide effect. Therefore, it is an urgent technical problem to design a waveguide fixing device for a waveguide radar that can adjust and eliminate the installation deviation of the waveguide after the installation of the waveguide is inclined in the pond. SUMMARY

[0003] The present application provides a waveguide fixing device for a waveguide radar to solve the above problems.

[0004] The technical scheme of the present application is a waveguide fixing device for a waveguide radar, which comprises a base and a pipe seat, the pipe seat is installed on the top of the base and is provided with a clamping groove for opening and closing the waveguide, the top of the base is connected with an adjusting seat, the top of the adjusting seat is provided with a translation groove, the pipe seat is provided with a sliding block slidingly connected in the translation groove, the side surface of the sliding block is provided with a gear slot parallel to the translation groove, the translation groove is provided with a gear slot communicated to the side surface of the adjusting seat, the gear slot is axially connected with a driving gear, one side of the driving gear extends into the translation groove and meshes with the gear slot, and the other side extends to the side surface of the adjusting seat, and the adjusting seat is further provided with a locking mechanism for fixing the driving gear.

[0005] After the above structure is used, when the installation position of the base is deviated to the side due to the stone block of a certain fixing device, the locking mechanism is opened to enable the driving gear to rotate, the driving gear rotating is pushed out from the side of the adjusting seat, the driving gear is continuously engaged with the gear groove, the sliding block is driven to move along the translation groove, the sliding block drives the pipe seat to translate to the side, the pipe seat is aligned with the pipe seat of other fixing devices, then the clamping groove is opened to put in the waveguide tube, the waveguide tube is installed in a straight state, finally the clamping groove and the locking mechanism are closed, the driving gear is fixed and cannot rotate, the weight of the waveguide tube is avoided from extruding the pipe seat, and the pipe seat is prevented from being reversely pushed to move the sliding block and the driving gear.

[0006] As a further improvement of the utility model, the gear groove is provided with a connecting shaft connected with the driving gear shaft, one end of the connecting shaft penetrates through the top surface of the adjusting seat and is provided with a turntable, and the turntable is connected with a rocking handle.

[0007] After the above structure is used, the rocking handle is pushed to drive the turntable to rotate, the turntable is driven to rotate by the connecting shaft, the driving gear is synchronously rotated, the driving gear is more labor-saving when being pushed to rotate, and the rotation angle of the driving gear is accurately and finely adjusted.

[0008] As a further improvement of the utility model, the rocking handle is provided with a vertical hollow pipe, the locking mechanism comprises a locking rod, the locking rod is inserted into the hollow pipe and is threadedly connected with the inner wall of the hollow pipe, the top end of the locking rod extends out of the hollow pipe and is provided with a knob.

[0009] After the above structure is used, the knob is rotated, the locking rod is threadedly matched with the inner wall of the hollow pipe, the locking rod is driven to move along the hollow pipe, the locking rod is moved downward to abut against the top surface of the adjusting seat, the turntable cannot rotate, and the driving gear synchronously rotating is fixed.

[0010] As a further improvement of the utility model, the pipe seat is provided with a secondary fixing plate, the secondary fixing plate is attached to the top surface of the adjusting seat, the secondary fixing plate is provided with a movable through hole parallel to the translation groove, the adjusting seat is provided with a positioning screw rod penetrating through the movable through hole, and the fixing screw rod is threadedly combined with a positioning nut.

[0011] After the structure is used, when the pipe base needs to be moved, the positioning nut is loosened from the fixed screw rod, the pipe base is translated to the side, the positioning nut is tightened, the secondary fixing plate is pressed on the adjusting seat by the positioning nut, the relative position of the pipe base and the adjusting seat is further fixed, and movement of the pipe base is avoided due to the weight of the waveguide tube; the movable through hole is parallel to the translation groove, and when the secondary fixing plate is translated with the pipe base, the fixed screw rod does not block the secondary fixing plate in the movable through hole.

[0012] As a further improvement of the utility model, the base is provided with a telescopic rod connected with the adjusting seat, and the telescopic rod is provided with a fixing bolt for fixing the length of the telescopic rod.

[0013] After the structure is used, the telescopic rod connected with the adjusting seat is arranged on the base, and the length of the telescopic rod is fixed by the fixing bolt; when the fixing device is slightly inclined, the length of the telescopic rod can be adjusted, and the pipe base is moved along the flat groove, so that the position in the longitudinal and transverse directions is adjusted, and the clamping groove is aligned. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The utility model structure schematic diagram is shown.

[0015] Fig. 2 The adjusting seat cross section structure schematic diagram is shown.

[0016] Fig. 3 The A part turntable structure schematic diagram is shown.

[0017] 1-base, 2-pipe base, 3-clamping groove, 4-adjusting seat, 5-translation groove, 6-sliding block, 7-tooth groove, 8-gear groove, 9-driving gear, 10-connecting shaft, 11-turntable, 12-crank handle, 13-locking rod, 14-knob, 15-secondary fixing plate, 16-movable through hole, 17-positioning screw rod, 18-positioning nut, 19-telescopic rod, 20-fixing bolt. DETAILED DESCRIPTION

[0018] As Figs. 1-3 A waveguide tube fixing device for a waveguide radar is shown, which comprises a base 1 and a pipe base 2, the pipe base 2 is installed on the top of the base 1 and is provided with a clamping groove 3 capable of being opened and closed to fix a waveguide tube, the top of the base 1 is connected with an adjusting seat 4, the top of the adjusting seat 4 is provided with a translation groove 5, the pipe base 2 is provided with a sliding block 6 slidingly connected in the translation groove 5, the side surface of the sliding block 6 is provided with a tooth groove 7 parallel to the translation groove 5, the translation groove 5 is provided with a gear groove 8 communicated to the side surface of the adjusting seat 4, the gear groove 8 is axially connected with a driving gear 9, one side of the driving gear 9 extends into the translation groove 5 and is engaged with the tooth groove 7, and the other side extends to the side surface of the adjusting seat 4, and the adjusting seat 4 is further provided with a locking mechanism for fixing the driving gear 9.

[0019] When the installation position of the base 1 is deviated to the side due to the stone, the locking mechanism is opened to enable the rotation of the driving gear 9, the driving gear 9 extending from the side of the adjusting seat 4 is pushed to rotate, the driving gear 9 is continuously engaged with the gear groove 7, the sliding block 6 is driven to move along the translation groove 5, the pipe seat 2 is driven to translate to the side, is aligned with the pipe seat 2 of the other fixing device, then the clamping groove 3 is opened to put in the waveguide tube, the waveguide tube is installed in a straight state, finally the clamping groove 3 and the locking mechanism are closed, the driving gear 9 is fixed and cannot rotate, the weight of the waveguide tube is prevented from pressing the pipe seat 2, and the pipe seat 2 is prevented from pushing the sliding block 6 and the driving gear 9 to move in the opposite direction; the driving gear 9 is cooperated with the gear groove 7 to drive the sliding block 6 to move along the translation groove 5, the pipe seat 2 is driven to translate to the side, the position deviation of the clamping groove 3 caused by the inconvenient installation of the base 1 is eliminated, the bending rate of the waveguide tube after installation is prevented from being too large, and the decline of the waveguide effect is prevented.

[0020] The gear groove 8 is provided with a connecting shaft 10 connected with the driving gear 9, one end of the connecting shaft 10 penetrates through the top surface of the adjusting seat 4 and is provided with a turntable 11, and the turntable 11 is connected with a rocking handle 12.

[0021] The rocking handle 12 is pushed to drive the turntable 11 to rotate, the turntable 11 is driven to rotate by the connecting shaft 10, the driving gear 9 is synchronously rotated, the rotation of the driving gear 9 is more labor-saving, and the rotation angle of the driving gear 9 is accurately and finely adjusted.

[0022] The rocking handle 12 is provided with a vertical hollow pipe, the locking mechanism comprises a locking rod 13, the locking rod 13 is inserted into the hollow pipe and is threadedly connected with the inner wall of the hollow pipe, the top end of the locking rod 13 extends out of the hollow pipe and is provided with a knob 14.

[0023] The locking rod 13 is threadedly cooperated with the inner wall of the hollow pipe by rotating the knob 14, the locking rod 13 is driven to move along the hollow pipe, the turntable 11 cannot rotate by moving the locking rod 13 downward to abut against the top surface of the adjusting seat 4, and the driving gear 9 synchronously rotating is fixed.

[0024] The pipe seat 2 is provided with a secondary fixing plate 15, the secondary fixing plate 15 is attached to the top surface of the adjusting seat 4, the secondary fixing plate 15 is provided with a movable through hole 16 parallel to the translation groove 5, the adjusting seat 4 is provided with a positioning screw rod 17 penetrating through the movable through hole 16, and the positioning screw rod 17 is threadedly screwed with a positioning nut 18.

[0025] By loosening the positioning nut 18 from the fixed screw rod when the pipe base 2 needs to be moved, after the pipe base 2 is translated to the side, the positioning nut 18 is tightened, the secondary fixing plate 15 is pressed on the adjusting seat 4 downward by the positioning nut 18, the relative position of the pipe base 2 and the adjusting seat 4 is further fixed, and the pipe base 2 is prevented from moving due to the weight of the waveguide tube; by the movable through hole 16 being parallel to the translation groove 5, when the secondary fixing plate 15 is translated with the pipe base 2, the fixed screw rod does not block the secondary fixing plate 15 in the movable through hole 16.

[0026] The base 1 is provided with the telescopic rod 19 connected with the adjusting seat 4, and the telescopic rod 19 is provided with the fixing bolt 20 for fixing the length of the telescopic rod 19.

[0027] By setting the telescopic rod 19 connected with the adjusting seat 4 on the base 1, and fixing the length of the telescopic rod 19 by the fixing bolt 20, when the fixing device is slightly inclined, the length of the telescopic rod 19 can be adjusted, and the pipe base 2 is moved along the flat groove, so that the position adjustment in the longitudinal and transverse directions is performed, and the clamping groove 3 is aligned.

Claims

1. A waveguide fixing device for waveguide radar, comprising a base (1) and a tube seat (2), the tube seat (2) being mounted on top of the base (1) and provided with a clamping groove (3) capable of clamping a waveguide, characterized in that: The top of the base (1) is connected with an adjusting seat (4), the top of the adjusting seat (4) is provided with a translation slot (5), the pipe seat (2) is provided with a sliding block (6) slidingly connected in the translation slot (5), the side surface of the sliding block (6) is provided with a gear slot (7) parallel to the translation slot (5), the translation slot (5) is provided with a gear slot (8) communicated to the side surface of the adjusting seat (4), the gear slot (8) is axially connected with a driving gear (9), one side of the driving gear (9) extends into the translation slot (5) and meshes with the gear slot (7), the other side extends out of the side surface of the adjusting seat (4), the adjusting seat (4) is further provided with a locking mechanism for fixing the driving gear (9).

2. A waveguide fixture for a guided wave radar according to claim 1, characterized in that: The gear slot (8) is provided with a connecting shaft (10) axially connected with the driving gear (9), one end of the connecting shaft (10) penetrates through the top surface of the adjusting seat (4) and is provided with a turntable (11), the turntable (11) is connected with a crank (12).

3. A waveguide fixture for a guided wave radar according to claim 2, characterized in that: The crank (12) is provided with a vertical hollow pipe, the locking mechanism comprises a locking rod (13), the locking rod (13) is inserted into the hollow pipe and is threadedly connected with the inner wall of the hollow pipe, the top end of the locking rod (13) extends out of the hollow pipe and is provided with a knob (14).

4. The waveguide fixture for a guided-wave radar of claim 1, wherein: The pipe seat (2) is provided with a secondary fixing plate (15), the secondary fixing plate (15) is attached to the top surface of the adjusting seat (4), the secondary fixing plate (15) is provided with a movable through hole (16) parallel to the translation slot (5), the adjusting seat (4) is provided with a positioning screw (17) penetrating through the movable through hole (16), the fixing screw is threadedly combined with a positioning nut (18).

5. The waveguide fixture for a guided-wave radar of claim 1, wherein: The base (1) is provided with a telescopic rod (19) connected with the adjusting seat (4), the telescopic rod (19) is provided with a fixing bolt (20) for fixing the length of the telescopic rod (19).

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