Portable gully flow measuring device

Abstract

The utility model discloses a portable gully flow measuring device, which belongs to the technical field of flow measuring devices, and comprises a bottom frame, a connecting plate is fixedly connected to the upper end of the bottom frame, a rectangular through hole and a triangular through hole are respectively formed in the connecting plate, the rectangular through hole is positioned at the upper end of the triangular through hole, and the triangular through hole is positioned at the lower end of the rectangular through hole. According to the utility model, the rectangular port can be sealed and the triangular port can work when the movable sealing plate is driven by the locking and fixing mechanism to be connected with the upper side area of the rear end of the connecting plate, and the triangular port is sealed and the rectangular port works when the movable sealing plate is connected with the lower side area of the rear end of the connecting plate. The triangular weir and the rectangular weir are combined together, adaptive switching is carried out according to use requirements, the use effect is good, the triangular weir and the rectangular weir do not need to be carried at the same time, the carrying burden is relieved, and portability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flow measurement devices, and more specifically to a portable stream flow measurement device. Background Art

[0002] At present, stream flow measurement is mostly carried out using triangular weirs or rectangular weirs. The triangular weir uses a triangular weir body and calculates the flow by measuring the height of the water surface drop, while the rectangular weir uses a rectangular trough body and calculates the flow by measuring the distance between the weir bottom and the water surface and the width of the trough body. The triangular weir is suitable for small flow and small slope, while the rectangular weir is suitable for measuring larger flow, providing wider applicability and higher measurement accuracy.

[0003] At present, in the process of stream flow measurement, since the flow rates of different streams are different, it is troublesome and inconvenient to carry both triangular weirs and rectangular weirs during the measurement process, which increases the carrying burden of measurement personnel and requires them to be taken and replaced back and forth during work, which is troublesome to operate and has poor use effect. Therefore, there is an urgent need to improve the technology of stream flow measurement structure to improve this equipment.

[0004] Therefore, the utility model proposes a convenient stream flow measuring device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a convenient stream flow measuring device, which can realize that during the stream flow measurement process, when the movable sealing plate is connected to the upper area of ​​the rear end of the connecting plate through the locking and fixing mechanism, the rectangular opening can be sealed and the triangular opening can be operated; when the movable sealing plate is connected to the lower area of ​​the rear end of the connecting plate, the triangular opening is sealed and the rectangular opening operates, thereby combining the triangular weir and the rectangular weir together, and switching them accordingly according to usage requirements, with good use effect, and no need to carry the triangular weir and the rectangular weir at the same time, thereby reducing the carrying burden and improving portability.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A convenient stream flow measuring device comprises a bottom frame, the upper end of which is fixedly connected to a connecting plate, and a rectangular opening and a triangular opening are respectively opened on the connecting plate, the rectangular opening is located at the upper end of the triangular opening, a pair of scale lines are provided at the rear end of the connecting plate near the rectangular opening and the triangular opening, the front end of the connecting plate is slidably connected to a movable sealing plate, and a locking and fixing mechanism is installed between the movable sealing plate and the connecting plate, a pair of L-shaped plates are sleeved between the outer ends of the bottom frame and the connecting plate, and a sliding telescopic mechanism and a movable clamping mechanism are respectively installed between the L-shaped plate and the bottom frame and the connecting plate.

[0010] Furthermore, the locking and fixing mechanism includes two pairs of locking bolts threadedly connected to the movable covering plate, two groups of bolt fixing grooves are opened on the connecting plate, and the number of bolt fixing grooves in each group is four, and the rear ends of the two pairs of locking bolts are located in a group of bolt fixing grooves and connected thereto.

[0011] Furthermore, the sliding telescopic mechanism includes a pair of movable plates slidably connected to the inner wall of the bottom frame, and the left and right ends of the bottom frame are both opened with through openings. The ends away from each other of the pair of movable plates pass through the through openings and are fixedly connected to the L-shaped plate.

[0012] Furthermore, the upper and lower ends of a pair of movable plates are fixedly connected with sliding rods, the inner bottom end and the inner top end of the bottom frame are both provided with sliding grooves, and the sliding rods are located in the sliding grooves and are slidably connected thereto.

[0013] Furthermore, the movable card connection mechanism includes a pair of connecting frames fixedly connected to the rear end of the connecting plate, and the rear sides of the pair of connecting frames are provided with plug rods, the front ends of the pair of connecting frames are drilled with circular holes, and a conductive long hole is drilled between the connecting frame and the rear end of the connecting plate, the inner walls of the pair of L-shaped plates are drilled with a plurality of evenly distributed slots, the front ends of the pair of plug rods pass through the circular holes and the conductive long holes in turn, and extend into the slots, the left and right ends of the pair of plug rods are fixedly connected with straight plates, and the straight plates are in contact with the inner walls of the connecting frames, the outer ends of the pair of plug rods are sleeved with springs, and the front and rear ends of the springs are respectively fixedly connected to the connecting frame and the straight plate.

[0014] Furthermore, the through opening and the inner walls of the pair of circular holes are fixedly connected with sealing rings, and the sealing rings are in close contact with the outer ends of the movable plate and the insertion rod respectively.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] (1) In the process of measuring stream flow, the utility model can seal the rectangular opening and make the triangular opening work when the movable sealing plate is connected to the upper area of ​​the rear end of the connecting plate through the locking and fixing mechanism; and when the movable sealing plate is connected to the lower area of ​​the rear end of the connecting plate, the triangular opening is sealed and the rectangular opening works, thereby combining the triangular weir and the rectangular weir together and switching them accordingly according to the use requirements, with good use effect and no need to carry the triangular weir and the rectangular weir at the same time, which reduces the carrying burden and improves portability.

[0018] (2) In the process of measuring stream flow, the utility model can drive a pair of L-shaped plates to move apart through a sliding telescopic mechanism and a movable clamping mechanism when facing streams of different widths, thereby expanding the width of the stream flow measuring device to match the streams of different widths, thereby achieving measurement of streams of different widths, expanding its scope of use, and further enhancing its use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the rectangular opening in the utility model when it is working;

[0020] Figure 2 It is a schematic diagram of the overall structure of the triangular opening in the utility model when it is working;

[0021] Figure 3 For this utility model Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0022] Figure 4 It is a schematic cross-sectional structure diagram of the sliding telescopic mechanism in the utility model;

[0023] Figure 5 It is a schematic cross-sectional structure diagram of the movable clamping mechanism in the utility model.

[0024] Description of the numbers in the figure:

[0025] 1. Bottom frame; 2. Connecting plate; 3. Rectangular opening; 4. Triangular opening; 5. L-shaped plate; 6. Movable sealing plate; 7. Locking and fixing mechanism; 701. Locking bolt; 702. Bolt fixing groove; 8. Sliding and telescopic mechanism; 801. Moving plate; 802. Sliding rod; 803. Slide groove; 804. Opening; 9. Moving clamping mechanism; 901. Connecting frame; 902. Insert rod; 903. Spring; 904. Slot; 905. Straight plate; 10. Scale line. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0027] Example:

[0028] See also Figure 1-5 A portable stream flow measuring device comprises a bottom frame 1, a connecting plate 2 is fixedly connected to the upper end of the bottom frame 1, and a rectangular opening 3 and a triangular opening 4 are respectively opened on the connecting plate 2, the rectangular opening 3 is located at the upper end of the triangular opening 4, a pair of scale lines 10 are provided at the rear end of the connecting plate 2 near the rectangular opening 3 and the triangular opening 4, a movable sealing plate 6 is slidably connected to the front end of the connecting plate 2, and a locking and fixing mechanism 7 is installed between the movable sealing plate 6 and the connecting plate 2, a pair of L-shaped plates 5 are sleeved between the outer ends of the bottom frame 1 and the connecting plate 2, and a sliding telescopic mechanism 8 and a movable clamping mechanism 9 are respectively installed between the L-shaped plate 5 and the bottom frame 1 and the connecting plate 2.

[0029] During the use of this solution, when measuring streams of different widths, first pull the pair of plug rods 902 in the mobile card connection mechanism 9 to move backward in sequence, so that they are away from the initially corresponding slots 904 and move into the conductive long hole, loosen the limit fixation between the connecting plate 2 and the L-shaped plate 5, and then pull the L-shaped plate 5 to move outward to separate from the bottom frame 1, and drive the moving plate 801 in the sliding telescopic mechanism 8 to pass through the opening 804 and extend outward to adjust and increase the width of the bottom frame 1 and the connecting plate 2, so as to match the width of the stream flow measuring device with the width of the stream. After the width adjustment is completed, the plug rod 902 is inserted into the corresponding slot 904 at this time for limit fixation, and then, the small flow stream is measured. When the flow rate is high, the movable sealing plate 6 slides upward, and the locking bolt 701 in the locking and fixing mechanism 7 is connected with a group of bolt fixing grooves 702 on the upper side, so that the rectangular opening 3 is sealed, and the triangular opening 4 cooperates with the scale line 10 to work. When measuring a stream with a larger flow rate, the movable sealing plate 6 slides downward, and the locking bolt 701 is connected with a group of bolt fixing grooves 702 on the lower side, so that the triangular opening 4 is sealed, and the rectangular opening 3 cooperates with the scale line 10 to combine the triangular weir and the rectangular weir together, and switch them accordingly according to the use requirements, with good use effect, and there is no need to carry the triangular weir and the rectangular weir at the same time, which reduces the carrying burden and improves portability. In addition, a flow meter can be installed at the corresponding position on the connecting plate 2 for use according to actual use requirements.

[0030] See also Figure 1-3The locking and fixing mechanism 7 includes two pairs of locking bolts 701 threadedly connected to the movable sealing plate 6, two groups of bolt fixing grooves 702 are opened on the connecting plate 2, and the number of each group of bolt fixing grooves 702 is four, and the rear ends of the two pairs of locking bolts 701 are located in a group of bolt fixing grooves 702 and connected thereto.

[0031] During use of the present solution, the locking bolt 701 is connected to a group of bolt fixing grooves 702 on the upper side to seal the rectangular opening 3, so that the triangular opening 4 cooperates with the scale line 10 to work, and the locking bolt 701 is connected to a group of bolt fixing grooves 702 on the lower side, the triangular opening 4 is sealed, and the rectangular opening 3 cooperates with the scale line 10 to work, thereby combining the triangular weir and the rectangular weir together, and switching accordingly according to usage requirements, with a good use effect.

[0032] See also Figure 2 and Figure 4 The sliding telescopic mechanism 8 includes a pair of movable plates 801 slidably connected to the inner wall of the bottom frame 1. Openings 804 are opened at both left and right ends of the bottom frame 1. The ends away from each other of the pair of movable plates 801 pass through the openings 804 and are fixedly connected to the L-shaped plate 5.

[0033] During use of this solution, the L-shaped plate 5 is pulled to move outward and separated from the bottom frame 1 , and the corresponding movable plate 801 passes through the through opening 804 and extends outward to adjust and increase the width of the bottom frame 1 .

[0034] See also Figure 4 The upper and lower ends of a pair of movable plates 801 are fixedly connected with sliding rods 802, and the inner bottom end and the inner top end of the bottom frame 1 are both provided with sliding grooves 803, and the sliding rods 802 are located in the sliding grooves 803 and are slidably connected therewith.

[0035] During use of this solution, the movement of the movable plate 801 is assisted by the setting of the sliding rod 802 and the sliding groove 803, so that the movable plate 801 maintains stable movement.

[0036] See also Figure 5The mobile card connection mechanism 9 includes a pair of connecting frames 901 fixedly connected to the rear end of the connecting plate 2, and the rear sides of the pair of connecting frames 901 are provided with plug rods 902, the front ends of the pair of connecting frames 901 are drilled with round holes, and a conductive long hole is drilled between the connecting frame 901 and the rear end of the connecting plate 2, the inner walls of the pair of L-shaped plates 5 are drilled with a plurality of evenly distributed slots 904, the front ends of the pair of plug rods 902 pass through the round holes and the conductive long holes in turn, and extend into the slots 904, the left and right ends of the pair of plug rods 902 are fixedly connected with straight plates 905, and the straight plates 905 are in contact with the inner walls of the connecting frames 901, the outer ends of the pair of plug rods 902 are sleeved with springs 903, and the front and rear ends of the springs 903 are respectively fixedly connected to the connecting frame 901 and the straight plate 905.

[0037] During use of the present solution, a pair of insertion rods 902 are first pulled in sequence to move backward so as to move away from the initially corresponding slots 904 and move into the conducting long hole, thereby loosening the limit fixation between the connecting plate 2 and the L-shaped plate 5, and then the L-shaped plate 5 is pulled outward to separate from the bottom frame 1 and extend outward, thereby adjusting and increasing the width of the connecting plate 2 so as to match the width of the stream flow measuring device with the width of the stream. After the width adjustment is completed, the insertion rod 902 is pushed and inserted into the corresponding slot 904 for limit fixation.

[0038] See also Figure 4-5 The through opening 804 and the inner walls of the pair of circular holes are fixedly connected with sealing rings, and the sealing rings are in close contact with the outer ends of the moving plate 801 and the insertion rod 902 respectively.

[0039] During use of the present invention, the gap between the through opening 804 and the movable plate 801 and the gap between the circular hole and the insertion rod 902 can be sealed by setting a sealing ring, thereby reducing water penetration.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable stream flow measurement device, comprising a bottom frame (1), characterized in that: The upper end of the bottom frame (1) is fixedly connected to a connecting plate (2), and a rectangular opening (3) and a triangular opening (4) are respectively opened on the connecting plate (2), the rectangular opening (3) is located at the upper end of the triangular opening (4), and a pair of scale lines (10) are provided at the rear end of the connecting plate (2) near the rectangular opening (3) and the triangular opening (4), the front end of the connecting plate (2) is slidably connected to a movable sealing plate (6), and a locking and fixing mechanism (7) is installed between the movable sealing plate (6) and the connecting plate (2), a pair of L-shaped plates (5) are sleeved between the outer ends of the bottom frame (1) and the connecting plate (2), and a sliding telescopic mechanism (8) and a movable clamping mechanism (9) are respectively installed between the L-shaped plate (5) and the bottom frame (1) and the connecting plate (2).

2. A portable stream flow measurement device according to claim 1, characterized in that: The locking and fixing mechanism (7) comprises two pairs of locking bolts (701) threadedly connected to the movable sealing plate (6), two groups of bolt fixing grooves (702) are cut on the connecting plate (2), and each group of bolt fixing grooves (702) has four bolt fixing grooves, and the rear ends of the two pairs of locking bolts (701) are both located in a group of bolt fixing grooves (702) and connected thereto.

3. A portable stream flow measurement device according to claim 1, characterized in that: The sliding telescopic mechanism (8) comprises a pair of movable plates (801) slidably connected to the inner wall of the bottom frame (1); both left and right ends of the bottom frame (1) are provided with through openings (804); the ends of the pair of movable plates (801) that are away from each other pass through the through openings (804) and are fixedly connected to the L-shaped plate (5).

4. A portable stream flow measurement device according to claim 3, characterized in that: The upper and lower ends of a pair of movable plates (801) are fixedly connected with sliding rods (802), the inner bottom end and the inner top end of the bottom frame (1) are both provided with sliding grooves (803), and the sliding rods (802) are located in the sliding grooves (803) and are slidably connected thereto.

5. A portable stream flow measurement device according to claim 1, characterized in that: The movable clamping mechanism (9) comprises a pair of connecting frames (901) fixedly connected to the rear end of the connecting plate (2), and the rear sides of the pair of connecting frames (901) are each provided with an insertion rod (902), the front ends of the pair of connecting frames (901) are each provided with a circular hole, and a conducting long hole is formed between the connecting frames (901) and the rear ends of the connecting plate (2), the inner walls of the pair of L-shaped plates (5) are each provided with a plurality of evenly distributed slots (904), and the pair of The front ends of the insertion rods (902) pass through the circular holes and the conducting long holes in sequence and extend into the slots (904). The left and right ends of the pair of insertion rods (902) are fixedly connected with straight plates (905), and the straight plates (905) are in contact with the inner wall of the connecting frame (901). The outer ends of the pair of insertion rods (902) are sleeved with springs (903), and the front and rear ends of the springs (903) are fixedly connected with the connecting frame (901) and the straight plates (905), respectively.

6. A portable stream flow measurement device according to claim 3, characterized in that: The through opening (804) and the inner walls of the pair of circular holes are both fixedly connected with sealing rings, and the sealing rings are in close contact with the outer ends of the movable plate (801) and the insertion rod (902) respectively.

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