CN214832439U

CN214832439U - Adjustable flow's rolling dam

Info

Publication number: CN214832439U
Application number: CN202121529185.7U
Authority: CN
Inventors: 季家奇; 蔡义; 罗文�; 李力
Original assignee: Hubei Zude Water Conservancy And Hydropower Engineering Co ltd
Current assignee: Hubei Zude Water Conservancy And Hydropower Engineering Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-11-23
Anticipated expiration: 2031-07-05

Abstract

The application discloses adjustable flow's rolling dam, it includes the dam body, the overflow mouth has been seted up on the dam body, just be located on the dam body overflow mouth department installs the mounting bracket, the vertical gate of installing on the mounting bracket, be equipped with the driving piece on the mounting bracket, the driving piece drive the vertical motion of gate is realized right the opening and closing of overflow mouth. This application has the effect of adjusting water flow.

Description

Adjustable flow's rolling dam

Technical Field

The invention relates to the technical field of dams, in particular to a rolling dam with adjustable flow.

Background

The rolling dam belongs to one kind of water blocking building, and is also called overflow dam because it belongs to dam capable of discharging flood. The main principle is to intercept water flow so as to raise the upstream water level, and when water rises, the redundant water can overflow to the downstream freely.

Chinese patent No. CN201420083202.2 in the related art proposes a rolling dam, which comprises a concrete irrigation canal and an attached slope, wherein a water blocking wall frame is arranged in a river bed, cobbles are filled in the water blocking wall frame, a dam panel is covered on the upper portion of the water blocking wall frame, prefabricated panels which are arranged in parallel, at intervals and in a staggered manner are arranged on the attached slope according to a step sequence, and cobbles are filled between adjacent prefabricated panels.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the dam is high, only when the water level is higher than the dam top, the water flow can flow to the downstream, so that the rolling dam lacks the flow regulation capacity.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the flow of water can not be adjusted to the rolling dam, the application provides a rolling dam of adjustable flow.

The application provides a but dam of regulated flow adopts following technical scheme:

the utility model provides an adjustable flow's dam, includes the dam body, the overflow mouth has been seted up on the dam body, just be located on the dam body the overflow mouth department installs the mounting bracket, the vertical gate of installing on the mounting bracket, be equipped with the driving piece on the mounting bracket, the driving piece drive the gate vertical motion is realized just opening and close of overflow mouth.

Through adopting above-mentioned technical scheme, thereby seted up the overflow mouth on the dam body, rivers pass through overflow mouth flow direction low reaches and realize the drainage, and overflow mouth department is equipped with the gate, and when the gate was closed, the retaining position of adjustable rolling dam opened the gate when needs drainage, can adjust the size of discharge according to the size that the gate was opened.

Optionally, two guide strips are fixedly connected to the mounting frame and located on two sides of the gate respectively, the two guide strips are arranged oppositely, and the gate is inserted into a gap between the two guide strips in a sliding manner.

Through adopting above-mentioned technical scheme, be equipped with the gib block on the mounting bracket specially, the gate slides and pegs graft in the gib block, and the gate can bear the pressure of rivers in the use, and the gib block plays the guide effect to the motion of gate for vertical motion can accurately be realized to the gate.

Optionally, the driving part comprises a motor and a transmission assembly, the motor is mounted on the mounting frame, and the motor drives the gate to vertically move through the transmission assembly.

Through adopting above-mentioned technical scheme, the motor with power transmission to transmission assembly on, transmission assembly drives the gate up-and-down motion, this process need not manually to open, has saved the manpower, has realized automated operation.

Optionally, the transmission assembly comprises a screw rod, a driving bevel gear and a driven bevel gear, the screw rod is vertically connected to the gate, the driving bevel gear is connected to the output shaft of the motor, the screw rod penetrates through the driven bevel gear and is in threaded connection with the driven bevel gear, and the driving bevel gear is in meshing fit with the driven bevel gear.

Through adopting above-mentioned technical scheme, drive assembly comprises lead screw, initiative bevel gear and driven bevel gear, and initiative bevel gear drives driven bevel gear and rotates, because driven bevel gear and lead screw thread fit, when driven bevel gear rotated, driven bevel gear and lead screw produced relative motion to the gate was under the gib block guide effect, thereby realized opening and close of gate. The transmission mode is simple and easy to realize.

Optionally, the driving part is an air cylinder, the air cylinder is vertically installed on the mounting frame, and a piston rod of the air cylinder is fixedly connected to the gate.

Through adopting above-mentioned technical scheme, the driving piece is the cylinder, and the piston rod and the gate fixed connection of cylinder start the cylinder thereby control gate is opened and close, and the mode of opening and close is simple easily to be realized.

Optionally, pulleys are movably mounted on two horizontal sides of the backwater surface of the gate respectively, and move along the guide strips.

Through adopting above-mentioned technical scheme, be provided with on the face of gate back of the body water and rotate the pulley, the pulley moves along the gib block, and when the gate up-and-down motion under the driving piece effect, the pulley turns into rolling friction with sliding friction between gate and the gib block to be favorable to reducing the wearing and tearing between gate and the gib block.

Optionally, a flange is arranged at the bottom end of the screw rod and connected to the top end of the gate through a bolt.

Through adopting above-mentioned technical scheme, adopt detachable connection structure between lead screw and the gate, at the installation gate in-process, the operator can separately install gate and driving piece part, then is connected gate and lead screw fixedly, and this process is favorable to improving operator's installation convenience.

Optionally, the gate surface is provided with an anti-rust layer.

By adopting the technical scheme, because the gate is soaked by water for a long time, the waterproof layer is favorable for improving the protection of the gate, so that the service life of the gate is longer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. an overflow port special for drainage is formed in the dam body, in order to adjust the quantity of water drained, a gate capable of moving up and down is arranged at the overflow port, and the size of flow is adjusted according to the difference of the opening size of the gate;

2. the driving structure for driving the gate to complete the lifting motion adopts different modes, when the driving part adopts the cylinder, the piston rod of the cylinder is fixedly connected with the gate, the driving structure is simple, and the realization is convenient; when power is transmitted through the screw rod, the driving bevel gear and the driven bevel gear, the power of the motor is transmitted to the screw rod through the driving bevel gear and the driven bevel gear, and the gate is lifted under the action of the guide strips.

3. The surface of the gate, which is back to water, is provided with the rotating pulley, and when the driving piece drives the gate to move up and down, the friction between the gate and the guide strip can be reduced by the pulley, so that the abrasion can be reduced, and the energy-saving effect can be realized.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic structural view of the mounting frame, the gate and the driving member in embodiment 1.

Fig. 3 is a schematic view of the gate structure.

Fig. 4 is a schematic diagram of a screen construction.

FIG. 5 is a schematic view of the entire structure of embodiment 2

Reference numerals: 1. a dam body; 11. an overflow port; 2. a gate; 3. a mounting frame; 31. erecting a rod; 32. a cross bar; 4. a drive member; 41. a motor; 42. a transmission assembly; 421. a screw rod; 422. a drive bevel gear; 423. a driven bevel gear; 43. a cylinder; 5. a guide strip; 6. a pulley; 7. a flange; 8. filtering with a screen; 81. a transverse net; 82. erecting a net; 83. and (7) blocking nets.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a rolling dam with adjustable flow. Referring to fig. 1, the flow-adjustable rolling dam comprises a dam body 1, wherein a rectangular overflow port 11 is formed in the dam body 1, and when the height of water flow reaches the height of the overflow port 11, the excess water flow is discharged from the overflow port 11.

As shown in fig. 1 and 2, for some rolling dams applied to reservoirs, in order to realize the function of adjusting the storage water and the lower discharge flow of the reservoir, the mounting frame 3 is installed at the top end of the dam body 1, the mounting frame 3 comprises a cross rod 32 and two vertically arranged vertical rods 31, the two vertical rods 31 are oppositely arranged along the length direction of the dam body 1 and are positioned at two sides of the overflow port 11, and when an operator pours the dam body 1, the two vertical rods 31 are embedded in concrete and integrally formed. The cross rod 32 is horizontally welded between the two vertical rods 31 and is higher than the top surface of the dam body 1.

11 departments of overflow mouth are equipped with gate 2, for the life of

extension gate

2, 2 surfaces of gate scribble the antirust coat, be equipped with drive gate 2 elevating movement's driving piece 4 on the mounting bracket 3, driving piece 4 includes motor 41 and driving medium, motor 41 passes through drive assembly 42 and transmits power to gate 2, realizes the control to rivers discharge through opening and close of control gate 2, realizes the size of control discharge flow through the size that control gate 2 opened and close.

Two vertical welded fastening have two relative guide strip 5 of setting respectively on the opposite side of two pole settings 31, and gate 2 slides and pegs graft in guide strip 5, and guide strip 5 plays the guide effect to the motion of gate 2 and makes gate 2 can accurately go up and down.

The transmission members include a lead screw 421, a drive bevel gear 422, and a driven bevel gear 423. The motor 41 is fixedly connected to the outer side of the upright rod 31 through a bolt, an output shaft of the motor 41 penetrates through the upright rod 31 and is welded and fixed with the transmission shaft, and one end, far away from the motor 41, of the transmission shaft is welded and fixed with the driving bevel gear 422; the mounting groove of placing driven bevel gear 423 is seted up to the top surface of horizontal pole 32, and driven bevel gear 423 rotates to be installed in the mounting groove, and the top welding of mounting groove has the apron, and the apron will be driven bevel gear 423 closing cap in the mounting groove, drive bevel gear 422 and driven bevel gear 423 mesh cooperation. The screw 421 vertically penetrates through the driven bevel gear 423 and the cross rod 32, the screw 421 is in threaded connection with the driven bevel gear 423, a circular flange 7 is horizontally welded at the bottom end of the screw 421, and the flange 7 is fixedly connected to the top end of the gate 2 through a plurality of bolts.

When the motor 41 drives the driving bevel gear 422 and the driven bevel gear 423 to rotate, the gate 2 is lifted under the action of the screw 421 and the guide strip 5 due to the thread fit connection between the driven bevel gear 423 and the screw 421, so that the gate 2 is opened and closed.

As shown in fig. 2 and 3, the horizontal two sides of the gate 2 on the side of the gate 2 back to the water are respectively connected with a pulley 6 in a rotating manner, the pulley 6 is abutted against the guide strip 5, the pulley 6 slides along the guide strip 5 in the lifting process of the gate 2, and the pulley 6 converts the sliding friction between the gate 2 and the guide into rolling friction, so that the abrasion between the gate 2 and the guide strip 5 is reduced, meanwhile, the gate 2 is opened and closed more quickly, and the energy consumed in the opening and closing process is less.

As shown in fig. 1 and 4, when water flows through the overflow port 11, in order to reduce the occurrence of the situation that impurities in water are blocked in the overflow port 11 to influence the opening and closing of the gate 2, vertical grooves are respectively formed in the water-facing side surface of the dam body 1 and positioned on the two horizontal sides of the overflow port 11, a filter screen 8 is inserted in each groove, and the filter screen 8 is specially used for blocking the impurities in the water. The filter screen 8 comprises a transverse net 81 and a vertical net 82, the transverse net 81 is welded at the bottom end of the vertical net 82, the transverse net 81 and the vertical net 82 form an L shape, and a blocking net 83 is vertically welded at one end, far away from the vertical net 82, of the transverse net 81. When an operator pulls up the filter screen 8 to clean the sundries, the transverse net 81 and the blocking net 83 play a role in supporting the sundries, and the sundries can be conveniently fished out of water.

The implementation principle of the rolling dam with the flow adjustable is as follows: in order to realize the adjustment of the flow, the dam body 1 is provided with the gate 2, the flow of water flowing through the overflow port 11 is controlled by controlling the opening and closing of the gate 2, the opening and closing of the gate 2 are controlled by the driving piece 4, the manpower is not needed in the process, and the automation is realized. In order to prevent the impurities from influencing the opening and closing of the gate 2, a filter screen 8 is inserted into the dam body 1, and the impurities are filtered by the filter screen 8.

Example 2

The difference between this embodiment and embodiment 1 is that, as shown in fig. 5, the driving member 4 employs an air cylinder 43, the air cylinder 43 is vertically welded on the cross bar 32, a piston rod of the air cylinder 43 penetrates through the transverse tube, the flange 7 is horizontally welded at the bottom end of the piston rod, and the flange 7 is fixed at the top end of the gate 2 through a plurality of bolts.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a rolling dam of adjustable flow, includes dam body (1), its characterized in that: seted up overflow mouth (11) on the dam body (1), just be located on the dam body (1) overflow mouth (11) department installs mounting bracket (3), vertical gate (2) of installing on mounting bracket (3), be equipped with driving piece (4) on mounting bracket (3), driving piece (4) drive gate (2) vertical motion is realized right opening and close of overflow mouth (11).

2. A rolling dam according to claim 1, wherein: the gate is characterized in that the mounting frame (3) is provided with two guide strips (5) fixedly connected to two sides of the gate (2), the two guide strips (5) are arranged oppositely, and the gate (2) is inserted into a gap between the two guide strips (5) in a sliding manner.

3. A rolling dam according to claim 1, wherein: the driving piece (4) comprises a motor (41) and a transmission assembly (42), the motor (41) is installed on the mounting frame (3), and the motor (41) drives the gate (2) to vertically move through the transmission assembly (42).

4. A rolling dam according to claim 3 having an adjustable flow rate, wherein: the transmission assembly (42) comprises a screw rod (421), a driving bevel gear (422) and a driven bevel gear (423), the screw rod (421) is vertically connected to the gate (2), the driving bevel gear (422) is connected with an output shaft of the motor (41), the screw rod (421) penetrates through the driven bevel gear (423) and is in threaded connection with the driven bevel gear (423), and the driving bevel gear (422) is in meshing fit with the driven bevel gear (423).

5. A rolling dam according to claim 1, wherein: the driving piece (4) is an air cylinder (43), the air cylinder (43) is vertically installed on the mounting frame (3), and a piston rod of the air cylinder (43) is fixedly connected to the gate (2).

6. A rolling dam according to claim 2, wherein: and pulleys (6) are movably mounted on two horizontal sides of the back surface of the gate (2), and the pulleys (6) move along the guide strips (5).

7. A rolling dam according to claim 4 having an adjustable flow rate, wherein: the bottom of lead screw (421) is equipped with flange (7), flange (7) pass through bolted connection the top of gate (2).

8. A rolling dam according to claim 1, wherein: and an anti-rust layer is arranged on the surface of the gate (2).