CN213014171U

CN213014171U - Rolling dam structure

Info

Publication number: CN213014171U
Application number: CN202021453674.4U
Authority: CN
Inventors: 常珊珊
Original assignee: Hefei Rivers Architecture Co ltd
Current assignee: Hefei Rivers Architecture Co ltd
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2021-04-20
Anticipated expiration: 2030-07-18

Abstract

The utility model relates to a rolling dam structure, it includes the dam body, the lateral wall slope of dam body is provided with the guiding surface, fixed connection mounting bracket on the up end of dam body, the mounting bracket is including fixing two pole settings that just set up relatively on the dam body and fixing the horizontal pole on the pole setting top, it has a plurality of to cross the class board to rotate in proper order on the up end of the dam body between two pole settings, be provided with the gap between the adjacent class board, seted up on the horizontal pole and held the chamber, it is equipped with and is used for driving class board pivoted slewing mechanism to hold the intracavity. The method has the effect of adjusting the overflow capacity of the rolling dam according to the change of the river flow.

Description

Rolling dam structure

Technical Field

The application relates to the technical field of hydraulic engineering, in particular to a rolling dam structure.

Background

A rolling dam is in fact a low overflow weir, a water retaining structure of low height, which mainly serves to raise the upstream water level. The main principle is to raise the water level to a certain position and when the water rises, the surplus water can overflow freely, so that the water can be introduced into a canal or irrigate farmlands.

The prior Chinese patent with publication number CN203247550U discloses a rolling dam building structure suitable for ecological water landscape, which comprises a gravity type rolling dam built by concrete or grouted stones and built on a plain concrete foundation, wherein the downstream side of the dam body of the gravity type rolling dam is a slope type multistage energy dissipation step structure.

In view of the above-mentioned related art, the inventor believes that there is a defect that the damming height and the flow capacity of the rolling dam are constant, the flow rate thereof is not adjustable, and the flow rate of the rolling dam cannot be adjusted according to the seasonal flow rate change of the river.

SUMMERY OF THE UTILITY MODEL

In order to adjust the overflow capacity of the rolling dam according to the change of river flow, the application provides a rolling dam structure.

The application provides a rolling dam structure adopts following technical scheme:

the utility model provides a roll dam structure, includes the dam body, the lateral wall slope of dam body is provided with the water conservancy diversion face, fixed connection mounting bracket on the up end of dam body, the mounting bracket is including fixing two pole settings that just set up on the dam body relatively and fixing the horizontal pole on the pole setting top, two between the pole setting rotate in proper order on the up end of dam body and be connected with a plurality of and cross the class board, and is adjacent cross and be provided with the gap between the class board, seted up on the horizontal pole and held the chamber, it is equipped with and is used for driving and crosses class board pivoted slewing mechanism to hold the intracavity.

By adopting the technical scheme, the overflowing plates are driven to rotate by the rotating mechanism, and the size of a gap between every two adjacent overflowing plates is changed due to the rotation of the overflowing plates, so that the overflowing capacity of the rolling dam is changed; therefore, the flow passing plate can be rotated by different angles by using the rotating mechanism, so that the flow passing plate is suitable for the change of river flow.

Preferably, slewing mechanism including rotate connect the dwang that holds the intracavity, fix bevel gear one on the dwang, rotate wear to establish the lateral wall that holds the chamber and with overflow board fixed connection's connecting rod and fix at connecting rod tip and with bevel gear two of a bevel gear meshing.

By adopting the technical scheme, the first bevel gear on the rotating rod can rotate by rotating the rotating rod, the second bevel gear rotates along with the first bevel gear and the second bevel gear which are meshed, and the second bevel gear is fixedly connected with the overflowing plate through the connecting rod, so that the overflowing plate rotates along with the first bevel gear, and the overflowing capacity of the rolling dam is changed.

Preferably, one of them tip of dwang wears to establish the lateral wall that holds the chamber, the dwang wears to establish spacing hole has been seted up on the tip that holds the chamber lateral wall, can dismantle on the terminal surface of horizontal pole and be connected with the limiting plate, fixedly connected with on the limiting plate with spacing hole joint complex spacing post.

By adopting the technical scheme, when the rotating rod needs to be rotated, the limiting plate is detached from the end part of the cross rod and then inserted into the limiting hole by using an external tool, so that the rotating rod can be conveniently rotated; after the overflow plate is adjusted in position, the limiting columns are inserted into the limiting holes, and the limiting plates are fixed at the end portions of the cross rods, so that the rotating rods can be fixed, and the overflow capacity of the rolling dam is prevented from being changed due to continuous rotation.

Preferably, the opposite side surfaces of the adjacent overflowing plates are fixedly connected with convex strips, the cross sections of the convex strips are semicircular, and the adjacent convex strips can block gaps between the adjacent overflowing plates.

By adopting the technical scheme, when the water flowing through the dam is not needed, the gaps between the overflowing plates can be plugged by the adjacent convex strips through adjusting the angles of the overflowing plates, so that the problem that water flows out of the gaps between the overflowing plates can be avoided; meanwhile, the cross section of each convex strip is semicircular, so that the normal rotation between the adjacent flow passing plates can be ensured.

Preferably, the upper end surface of the overflowing plate and the lower end surface of the overflowing plate are both embedded with balls in a rolling manner.

By adopting the technical scheme, when the flow passing plate rotates, the balls roll along with the cross rod and the dam body by generating friction force, so that the friction force borne by the top end and the bottom end of the flow passing plate can be reduced when the flow passing plate rotates, and the abrasion speed of the flow passing plate is reduced.

Preferably, a filter frame is arranged on the side surface of the mounting frame.

By adopting the technical scheme, when water flows through the filtering frame, sundries and the like contained in the water flow can be intercepted by the filtering frame, so that the rolling dam has the capability of intercepting the sundries in water.

Preferably, a first guide groove is formed in the cross rod, a second guide groove is formed in the bottom end of the vertical rod, the top of the side face of the filter frame is fixedly connected with a first guide block in clamping fit with the first guide groove, the bottom of the side face of the filter frame is fixedly connected with a second guide block in clamping fit with the second guide groove, the cross rod is connected with a first screw tightly abutted to the first guide block through threads, and the vertical rod is connected with a second screw tightly abutted to the second guide block through threads.

By adopting the technical scheme, the filter frame can be conveniently detached and separated from the mounting frame when more impurities are accumulated in the filter frame and need to be replaced by utilizing the matching of the guide groove I and the guide block I and the matching of the guide groove II and the guide block II, so that the cleaning work of the impurities in the filter frame is facilitated; utilize screw one can carry on spacingly to guide block one, screw two can carry on spacingly to guide block two, consequently improved the stability of filtering the frame when fixed between filtering frame and the mounting panel, guaranteed the normal clear of filtering work.

Preferably, the surface of the flow guide surface is fixedly connected with a plurality of stages of steps from top to bottom in sequence.

By adopting the technical scheme, the water flow reaches a certain height, when the water flows out from the top of the dam body, the water can flow down along the dam body along the multistage steps to form layer-by-layer flowing water, the fall of the water flow is reduced, the water flow sound is reduced, and the noise problem caused by overlarge water flow sound is reduced.

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

the overflow plates are driven to rotate by the rotating mechanism, and the size of a gap between adjacent overflow plates is changed due to the rotation of the overflow plates, so that the overflow capacity of the rolling dam is changed;

when water flows through the filter frame, impurities and the like contained in the water flow can be intercepted by the filter frame, so that the rolling dam has the capacity of intercepting the impurities in the water;

when water flows out from the top of the dam body, water can flow down along the dam body along the multistage steps to form layer-by-layer flowing water, the fall of the water flow is reduced, the water flow sound is reduced, and the noise problem caused by overlarge water flow sound is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the installation structure of the filter frame in the application example.

Fig. 3 is an enlarged schematic view of a in fig. 1.

Description of reference numerals: 1. a dam body; 11. a flow guide surface; 111. a plurality of steps; 2. a mounting frame; 21. erecting a rod; 211. a second guide groove; 212. a second screw; 22. a cross bar; 221. a first guide groove; 222. a first screw; 223. an accommodating chamber; 224. a limiting plate; 225. a limiting column; 3. a filter frame; 31. a first guide block; 32. a second guide block; 4. an overflow plate; 41. a convex strip; 42. a ball bearing; 5. a rotating mechanism; 51. rotating the rod; 511. a limiting hole; 52. a first bevel gear; 53. a connecting rod; 54. and a second bevel gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a rolling dam structure. Referring to fig. 1, the rolling dam structure comprises a dam body 1, wherein the side wall of the dam body 1 is obliquely arranged to form a flow guide surface 11, the flow guide surface 11 is the back surface of the dam body 1, a plurality of stages of steps 111 are fixedly connected to the surface of the flow guide surface 11 from top to bottom, and water flows form layers of flowing water when passing through the plurality of steps 111, so that the flowing sound can be reduced. Fixedly connected with mounting bracket 2 on the up end of dam body 1, mounting bracket 2 includes pole setting 21 and horizontal pole 22, and the quantity of pole setting 21 is two, and two pole settings 21 are vertical to be fixed on the upper surface of dam body 1, and horizontal pole 22 level sets up, and the common fixed connection in top of horizontal pole 22 and two pole settings 21.

Referring to fig. 1 and 2, a filtering frame 3 is disposed on a side surface of the mounting frame 2 close to the flow guide surface 11, and the filtering frame 3 can filter water flowing through the dam 1. The cross bar 22 is provided with a first guide groove 221, the length direction of the first guide groove 221 is consistent with that of the cross bar 22, the top of the side face of the filter frame 3 is fixedly connected with a first guide block 31, the length direction of the first guide block 31 is consistent with that of the cross bar 22, and the first guide block 31 is in clamping fit with the first guide groove 221. The cross bar 22 is in threaded connection with a first screw 222, and the end of the first screw 222 penetrates through the cross bar 22 and is tightly abutted against the first guide block 31. The bottom end side surface of the vertical rod 21 is provided with a second guide groove 211, and the length direction of the second guide groove 211 is consistent with the length direction of the first guide groove 221. The bottom of the side face of the filter frame 3 is fixedly connected with a second guide block 32, and the second guide block 32 is in clamping fit with a second guide groove 211. The bottom end of the upright rod 21 is in threaded connection with a second screw 212, and the end of the second screw 212 penetrates through the upright rod 21 and is tightly abutted against the second guide block 32.

Referring to fig. 1, four overflowing plates 4 are sequentially and rotatably connected to the upper end surface of the dam body 1 between two vertical rods 21, each overflowing plate 4 is of a rectangular plate-shaped structure, the length direction of each overflowing plate 4 is identical to that of each vertical rod 21, a gap is formed between every two adjacent overflowing plates 4, and water can flow to the flow guide surface 11 of the dam body 1 through the gap between every two overflowing plates 4. All fixedly connected with sand grip 41 on the adjacent side of flow plate 4, the cross-sectional shape of sand grip 41 is semi-circular, and the length direction of sand grip 41 is unanimous with the length direction of flow plate 4, and the arcwall face of sand grip 41 keeps away from flow plate 4 and sets up, and when the width direction of flow plate 4 was unanimous with the width direction of horizontal pole 22, the gap between flow plate 4 can be sealed off to adjacent sand grip 41. The upper end surface of the overflowing plate 4 and the lower end surface of the overflowing plate 4 are fixedly embedded with balls 42, the balls 42 on the upper end surface of the overflowing plate 4 are attached to the lower surface of the cross rod 22, and the balls 42 on the lower end surface of the overflowing plate 4 are attached to the upper end surface of the dam body 1.

Referring to fig. 1 and 3, the cross bar 22 is provided with a containing cavity 223, the containing cavity 223 is rectangular, a rotating mechanism 5 is arranged in the containing cavity 223, and the rotating mechanism 5 comprises a rotating rod 51, a first bevel gear 52, a connecting rod 53 and a second bevel gear 54. Dwang 51 is circular shaft-like structure, and dwang 51 rotates to be connected in holding chamber 223, combines fig. 2, and one of them tip of dwang 51 wears to establish and holds chamber 223 lateral wall, and wears to establish the tip of dwang 51 that holds chamber 223 lateral wall and has seted up spacing hole 511, and spacing hole 511 is interior hexagonal hole, and the depth direction in interior hexagonal hole is unanimous with the length direction of dwang 51. There is a limit plate 224 on the end of the cross bar 22 through a bolt, the limit plate 224 is close to the side of the hexagon socket and is fixedly connected with a limit post 225, the limit post 225 is a hexagonal prism, the length direction of the limit post 225 is consistent with that of the rotating rod 51, and the limit post 225 is in clamping fit with the limit hole 511.

The first bevel gears 52 are coaxial with the rotating rod 51, the number of the first bevel gears 52 is four, and the four first bevel gears 52 are uniformly fixed on the rotating rod 51 at equal intervals. Connecting rod 53 is circular shaft-like structure, and the quantity of connecting rod 53 is four, and four connecting rods 53 equidistance evenly wear to establish the diapire that holds chamber 223, and the length direction of connecting rod 53 is unanimous with the length direction of pole setting 21, and connecting rod 53 rotates with holding chamber 223 to be connected, and connecting rod 53 is located the tip that holds the chamber 223 outside and overflows the up end fixed connection of board 4. The number of the second bevel gears 54 is four, the four second bevel gears 54 are fixedly connected with the four connecting rods 53 in a one-to-one correspondence manner, and the second bevel gears 54 are located in the accommodating cavities 223.

The implementation principle of the rolling dam structure in the embodiment of the application is as follows: the first bevel gear 52 on the rotating rod 51 can be rotated by rotating the rotating rod, the second bevel gear 54 rotates along with the first bevel gear 52 and the second bevel gear 54 are meshed with the second bevel gear 54, the second bevel gear 54 is fixedly connected with the overflowing plates 4 through the connecting rods 53, so that the overflowing plates 4 rotate along with the second bevel gear, and the size of a gap between adjacent overflowing plates 4 is changed due to the rotation of the overflowing plates 4, so that the overflowing capacity of the rolling dam is changed; the turning mechanism 5 can be used to turn the flow-passing plate 4 at different angles to adapt to the change of the river discharge.

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 roll dam structure, includes dam body (1), the lateral wall slope of dam body (1) is provided with water conservancy diversion face (11), its characterized in that: fixed connection mounting bracket (2) on the up end of dam body (1), mounting bracket (2) including fix on dam body (1) and relative two pole setting (21) that set up and fix horizontal pole (22) on pole setting (21) top, two between pole setting (21) rotate in proper order on the up end of dam body (1) and be connected with a plurality of and cross flow board (4), and be adjacent cross and be provided with the gap between flow board (4), seted up on horizontal pole (22) and held chamber (223), it is equipped with in chamber (223) and is used for driving and crosses flow board (4) pivoted slewing mechanism (5).

2. The rolling dam structure according to claim 1, wherein: the rotating mechanism (5) comprises a rotating rod (51) rotatably connected in the accommodating cavity (223), a first bevel gear (52) fixed on the rotating rod (51), a connecting rod (53) rotatably penetrating through the side wall of the accommodating cavity (223) and fixedly connected with the flow passing plate (4), and a second bevel gear (54) fixed at the end part of the connecting rod (53) and meshed with the first bevel gear (52).

3. The rolling dam structure according to claim 2, wherein: one of them tip of dwang (51) is worn to establish the lateral wall that holds chamber (223), dwang (51) is worn to establish spacing hole (511) have been seted up on the tip that holds chamber (223) lateral wall, can dismantle on the terminal surface of horizontal pole (22) and be connected with limiting plate (224), on limiting plate (224) fixedly connected with spacing hole (511) joint complex spacing post (225).

4. The rolling dam structure according to claim 1, wherein: convex strips (41) are fixedly connected to the opposite side faces of the adjacent over-flow plates (4), the cross section of each convex strip (41) is semicircular, and the adjacent convex strips (41) can block gaps between the adjacent over-flow plates (4).

5. The rolling dam structure according to claim 1, wherein: the upper end face of the overflowing plate (4) and the lower end face of the overflowing plate (4) are respectively embedded with balls (42) in a rolling manner.

6. The rolling dam structure according to claim 1, wherein: the side of the mounting rack (2) is provided with a filter frame (3).

7. The rolling dam structure according to claim 6, wherein: seted up guide way one (221) on horizontal pole (22), guide way two (211) have been seted up to the bottom of pole setting (21), the side top fixedly connected with of filter frame (3) with guide way one (221) joint complex guide block one (31), the side bottom fixedly connected with of filter frame (3) with guide way two (211) joint complex guide block two (32), threaded connection has on horizontal pole (22) with guide block one (31) support tight screw one (222), threaded connection has on pole setting (21) with guide block two (32) support tight screw two (212).

8. The rolling dam structure according to claim 1, wherein: the surface of the flow guide surface (11) is fixedly connected with a plurality of stages of steps (111) from top to bottom in sequence.