Support facilitating replacement of sludge scraper chain

Abstract

The utility model relates to the technical field of plate type mud scrapers, and provides a support convenient for replacing a mud scraper chain, which comprises an equipment pool, a support frame is fixedly arranged at the upper part of the inner wall of the equipment pool, the mud scraper chain is arranged on the support frame, and a replacing device is arranged at the top of the equipment pool. The replacing device comprises a first replacing frame, a first operating mechanism, a connecting rod, a second replacing frame and a second operating mechanism, the first operating mechanism comprises a rotating screw rod, a moving frame and a supporting plate, the outer side of the top of the rotating screw rod is movably sleeved with the moving frame, and a moving clamping plate is fixedly arranged at the bottom of the moving frame; a supporting plate is arranged on one side of the movable frame, and a fixed clamping plate is fixedly arranged at the bottom of the supporting plate. According to the mud scraper chain replacement device, the mud scraper chain can be rapidly replaced, a secondary sedimentation tank does not need to be emptied when the mud scraper chain is replaced, maintenance personnel do not need to go into the tank for operation, operation is convenient, and potential safety hazards existing in the operation of going into the tank are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plate-type mud scrapers, in particular to a bracket which is convenient for replacing a mud scraper chain. Background Art

[0002] The scraper is suitable for the horizontal flow sedimentation tank in the water supply and drainage project. It scrapes the sludge settled at the bottom of the tank to the sludge collecting tank, and skims the scum on the surface of the tank to the slag collecting tank. The plate scraper in the secondary sedimentation tank needs to replace the old parts after a certain period of use. The traditional operation steps for replacing the old parts are to empty the secondary sedimentation tank first, drain and desilt, and then the maintenance personnel go down to the tank to work. The entire maintenance process is a limited space operation, which is inconvenient to operate, and there are certain safety hazards when the maintenance personnel go down to the tank to work; in addition, when replacing parts such as chains, it is necessary to wait for the water to drain, which affects the replacement efficiency.

[0003] Therefore, a bracket is proposed which improves the replacement efficiency and facilitates the replacement of the scraper chain. Utility Model Content

[0004] In order to solve the above problems, the utility model proposes a bracket for facilitating replacement of a scraper chain, which has the characteristics of convenient operation, improved replacement efficiency and high safety.

[0005] In order to achieve the above purpose, the utility model proposes the following specific solutions:

[0006] The cam is an axially-coupled device for translating a first movement of the support frame into a camshaft, the cam being arranged on a camshaft and being adapted to move the first movement of the support frame to a position above the camshaft.

[0007] As an optimal technical solution for a bracket that is convenient for replacing the scraper chain of the utility model, movable wheels are provided at the bottom of both ends of the first replacement frame, and a threaded barrel is symmetrically fixed in the middle of the upper end of the first replacement frame. The rotating screw passes through the threaded barrel, and the rotating screw is threadedly connected to the threaded barrel.

[0008] As an optimal technical solution for a bracket that is convenient for replacing the scraper chain of the utility model, a connecting frame is fixedly connected to one side of the first replacement frame, the upper end of the support plate is fixed to the bottom surface of the connecting frame, and the movable frame is located on the outside of the connecting frame.

[0009] As an optimal technical solution for a bracket that is convenient for replacing the scraper chain of the utility model, the movable frame includes a connecting plate and a rotating plate, a limiting groove is provided at the bottom of one end of the connecting plate, a limiting plate is fixedly provided on the top of the rotating screw, the limiting plate is movably clamped on the inner side of the limiting groove, a rotating groove is provided at the other end of the connecting plate, a fixed shaft is fixedly provided on the inner side of the rotating groove, and a rotating plate is sleeved on the outer side of the fixed shaft.

[0010] As a preferred technical solution of a bracket for facilitating replacement of a scraper chain of the utility model, a through hole is provided on the top of the rotating plate, the fixed shaft passes through the through hole, and the movable clamping plate is fixed to the bottom of the rotating plate.

[0011] As a preferred technical solution of a bracket for facilitating replacement of a scraper chain of the utility model, the first replacement rack and the second replacement rack are symmetrically arranged, and the first operating mechanism and the second operating mechanism are symmetrically arranged.

[0012] As a preferred technical solution of a bracket for facilitating replacement of a scraper chain of the utility model, transmission wheels are sleeved on both ends of the support frame, and the scraper chain is located above the transmission wheels.

[0013] Compared with the existing technology, the utility model has the following beneficial effects:

[0014] The utility model provides a replacement device, a first replacement frame with moving wheels and a second replacement frame, and symmetrical first operating mechanisms and second operating mechanisms are provided on the two replacement frames. When replacing the chain of the scraper of the secondary sedimentation tank, the replacement frame can be pushed and moved to the top of the secondary sedimentation tank, so that the first operating mechanism and the second operating mechanism are respectively located above the chains on both sides of the equipment, and then the rotating screw of the first operating mechanism is rotated to make the rotating plate move downward until the moving clamping plate moves to the bottom of the chain, and then the rotating screw is reversely operated to move the rotating plate upward, so that the moving clamping plate moves upward and cooperates with the fixed clamping plate to clamp the chain symmetrically. The first operating mechanism is capable of clamping and limiting a section of the entire chain, and then the maintenance personnel can replace the chain section. After replacing it with a new chain, the replacement device is repeatedly operated to loosen the chain, and then the scraper equipment is started to drive the chain to rotate, so that the replacement device clamps the next section of the chain, and then the chain is replaced again. The operation is repeated until the entire chain section is replaced. The second operating mechanism is used in the same way, so that when replacing the scraper chain, there is no need to empty the secondary sedimentation tank, and there is no need for maintenance personnel to go down to the tank to work, and the chain can be replaced conveniently. The operation is convenient and quick, avoiding the safety hazards of working down to the tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to better describe the technical solution of the utility model in detail, the present invention is further explained below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a schematic diagram of the overall structure provided by the utility model;

[0017] Figure 2 For the utility model Figure 1 The enlarged schematic diagram of point A in the middle;

[0018] Figure 3 It is a three-dimensional schematic diagram of the replacement device of the utility model;

[0019] Figure 4 It is a partial cross-sectional view of the replacement device of the utility model;

[0020] Figure 5 For the utility model Figure 4 The enlarged schematic diagram of point B in the middle;

[0021] Figure 6 For the utility model Figure 4 The enlarged schematic diagram of the center C;

[0022] Figure 7 For the utility model Figure 4 The enlarged schematic diagram of point D in the middle;

[0023] Figure 8 For the utility model Figure 4Enlarged schematic diagram of point E in the middle.

[0024] In the figure: 1, equipment pool; 2, support frame; 21, transmission wheel; 3, scraper chain; 4, replacement device; 41, first replacement frame; 411, moving wheel; 412, threaded cylinder; 413, connecting frame; 42, first operating mechanism; 421, rotating screw; 4211, limiting plate; 422, moving frame; 4221, connecting plate; 4222, limiting groove; 4223, rotating groove; 4224, fixed shaft; 4225, rotating plate; 4226, through hole; 4227, moving clamping plate; 423, support plate; 4231, fixed clamping plate; 43, connecting rod; 44, second replacement frame; 45, second operating mechanism. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] See also Figure 1-8 As shown, the utility model provides the following technical solutions: a bracket for facilitating replacement of a scraper chain, comprising an equipment pool 1, namely a secondary sedimentation tank, a support frame 2 is fixedly provided on the upper part of the inner wall of the equipment pool 1, a scraper chain 3 is provided on the support frame 2, and the scraper chain 3 is installed on the scraper equipment. The specific structure thereof can refer to the scraper equipment in the prior art; can refer to the attached Figure 1 With attached Figure 2 Transmission wheels 21 are sleeved on both ends of the support frame 2 , and the scraper chain 3 is located above the transmission wheel 21 .

[0028] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, specifically, a replacement device 4 is provided on the top of the equipment pool 1, and the replacement device 4 includes a first replacement frame 41, a first operating mechanism 42, a connecting rod 43, a second replacement frame 44 and a second operating mechanism 45. One end of the connecting rod 43 is fixedly connected with the first replacement frame 41, and the first operating mechanism 42 is symmetrically provided at the middle of the upper end of the first replacement frame 41. The first operating mechanism 42 includes a rotating screw 421, a moving frame 422 and a supporting plate 423. The rotating screw 421 is threadedly connected to the first replacement frame 41. The rotating screw 421 can drive the moving frame 422 to move up and down when it rotates. The top of the rotating screw 421 A movable sleeve is provided on the outer side of the part, and the movable sleeve prevents the movable frame 422 from running off the track when it moves. A movable clamping plate 4227 is fixedly provided at the bottom of the movable frame 422, and a support plate 423 is provided on one side of the movable frame 422. The support plate 423 is fixed on the first replacement frame 41, and a fixed clamping plate 4231 is fixedly provided at the bottom of the support plate 423. The lengths of the movable clamping plate 4227 and the fixed clamping plate 4231 are both greater than the width of the equipment chain. The fixed clamping plate 4231 is located above the movable clamping plate 4227, and the movable clamping plate 4227 is located on one side of the scraper chain 3. The other end of the connecting rod 43 is fixedly connected with The second replacement frame 44 has a second operating mechanism 45 symmetrically arranged in the middle of the upper end of the second replacement frame 44; a threaded barrel 412 is symmetrically fixedly arranged in the middle of the upper end of the first replacement frame 41, a rotating screw 421 penetrates the threaded barrel 412, and the rotating screw 421 is threadedly connected to the threaded barrel 412; a connecting frame 413 is fixedly connected to one side of the first replacement frame 41, the upper end of the support plate 423 is fixed to the bottom surface of the connecting frame 413, and the moving frame 422 is located on the outer side of the connecting frame 413; the moving frame 422 includes a connecting plate 4221 and a rotating plate 4225, and a limiting groove 4222 is arranged at the bottom of one end of the connecting plate 4221, A limit plate 4211 is fixedly provided on the top of the rotating screw rod 421, and the limit plate 4211 is movably clamped on the inner side of the limit groove 4222. A rotating groove 4223 is provided on the other end of the connecting plate 4221, and a fixed shaft 4224 is fixedly provided on the inner side of the rotating groove 4223. A rotating plate 4225 is sleeved on the outer side of the fixed shaft 4224. The rotating plate 4225 can rotate so that the moving clamping plate 4227 can rotate and be located below the chain. A through hole 4226 is provided on the top of the rotating plate 4225, and the fixed shaft 4224 passes through the through hole 4226. The moving clamping plate 4227 is fixed on the bottom of the rotating plate 4225.In this solution, when replacing the scraper chain 3, the replacement device 4 is placed above the equipment pool 1, so that the first operating mechanism 42 is located above the equipment chain, and then the rotating screw 421 is operated to make the rotating plate 4225 located on one side of the chain, and then the rotating plate 4225 is rotated to make the movable clamping plate 4227 located below the chain, and the rotating screw 421 is operated again to make the movable clamping plate 4227 move up and cooperate with the fixed clamping plate 4231 to clamp the chain. The symmetrical first operating mechanism 42 clamps a section of the chain, and the maintenance personnel can directly replace the section of the chain above the equipment pool 1. After the replacement is completed, the operating device loosens the chain, starts the scraper to drive the chain to rotate, and moves the unreplaced chain to the inner side of the replacement device 4 and repeats the above operation to replace another section of the chain. The operation is repeated many times until the entire chain is replaced. The replacement is convenient, and the maintenance personnel do not need to go down to the pool to work during replacement, which improves the maintenance efficiency and safety. The second operating mechanism 45 is operated in the same way. ;

[0029] Reference Figure 1 and Figure 3 As shown, specifically, the first replacement rack 41 and the second replacement rack 44 are symmetrically arranged, and the first operating mechanism 42 and the second operating mechanism 45 are symmetrically arranged; by setting up two operating mechanisms, maintenance personnel can replace two sections of chain at the same time, further improving replacement efficiency.

[0030] Reference Figure 1 and Figure 3 As shown, specifically, moving wheels 411 are provided at the bottom of both ends of the first replacement rack 41, so that maintenance personnel can easily move the replacement device 4, thereby improving the convenience of operation.

[0031] The working principle and use process of the utility model are as follows: when replacing the scraper chain 3, there is no need to manually go into the pool for operation. The replacement device 4 is pushed to the top of the equipment pool 1, so that the first operating mechanism 42 and the second operating mechanism 45 are located above the chain. Then the maintenance personnel rotate the rotating screw 421 of the first operating mechanism 42 to move the rotating plate 4225 downward until the movable clamping plate 4227 is located on one side of the chain. Then the rotating plate 4225 is rotated so that the movable clamping plate 4227 is located under the chain. At this time, the scraper equipment is not started. The maintenance personnel operate the rotating screw 421 to move the movable clamping plate 4227 upward, and cooperate with the fixed clamping plate 4231 to clamp a section of the chain. The maintenance personnel can replace the section of the chain. After the replacement is completed, the equipment is operated to loosen the chain, and then the equipment is started to rotate the chain. When the chain that has not been replaced moves to the inside of the replacement device 4, the above operation is repeated to replace the section of the chain. Repeating the above operation multiple times can realize the replacement of the entire chain. The same is true for the second operating mechanism 45, which is easy to operate.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A bracket for facilitating replacement of a scraper chain, comprising an equipment pool (1), characterized in that: A support frame (2) is fixedly provided on the upper part of the inner wall of the equipment pool (1), and a scraper chain (3) is provided on the support frame (2). A replacement device (4) is provided on the top of the equipment pool (1), and the replacement device (4) comprises a first replacement frame (41), a first operating mechanism (42), a connecting rod (43), a second replacement frame (44) and a second operating mechanism (45). One end of the connecting rod (43) is fixedly connected with the first replacement frame (41), and a first operating mechanism (42) is symmetrically provided at the middle part of the upper end of the first replacement frame (41). The first operating mechanism (42) comprises a rotating screw (421), a movable frame (422) and a support plate (423). The rotating screw (421) is threadedly connected to the first replacement frame (41). ), a movable frame (422) is provided on the outer movable sleeve of the top of the rotating screw rod (421), a movable clamping plate (4227) is fixedly provided at the bottom of the movable frame (422), a support plate (423) is provided on one side of the movable frame (422), the support plate (423) is fixed on the first replacement frame (41), a fixed clamping plate (4231) is fixedly provided at the bottom of the support plate (423), the fixed clamping plate (4231) is located above the movable clamping plate (4227), the movable clamping plate (4227) is located on one side of the scraper chain (3), the other end of the connecting rod (43) is fixedly connected to a second replacement frame (44), and a second operating mechanism (45) is symmetrically provided in the middle of the upper end of the second replacement frame (44).

2. A bracket for facilitating replacement of a scraper chain according to claim 1, characterized in that: The bottoms of both ends of the first replacement frame (41) are provided with moving wheels (411), the middle part of the upper end of the first replacement frame (41) is symmetrically fixed with a threaded barrel (412), the rotating screw rod (421) passes through the threaded barrel (412), and the rotating screw rod (421) is threadedly connected to the threaded barrel (412).

3. A bracket for facilitating replacement of a scraper chain according to claim 2, characterized in that: A connecting frame (413) is fixedly connected to one side of the first replacement frame (41), an upper end of the support plate (423) is fixed to the bottom surface of the connecting frame (413), and the movable frame (422) is located outside the connecting frame (413).

4. A bracket for facilitating replacement of a scraper chain according to claim 3, characterized in that: The movable frame (422) comprises a connecting plate (4221) and a rotating plate (4225), a limiting groove (4222) is provided at the bottom of one end of the connecting plate (4221), a limiting plate (4211) is fixedly provided at the top of the rotating screw (421), and the limiting plate (4211) is movably engaged with the inner side of the limiting groove (4222), a rotating groove (4223) is provided at the other end of the connecting plate (4221), a fixed shaft (4224) is fixedly provided on the inner side of the rotating groove (4223), and the rotating plate (4225) is sleeved on the outer side of the fixed shaft (4224).

5. A bracket for facilitating replacement of a scraper chain according to claim 4, characterized in that: A through hole (4226) is provided on the top of the rotating plate (4225), the fixed shaft (4224) passes through the through hole (4226), and the movable clamping plate (4227) is fixed on the bottom of the rotating plate (4225).

6. A bracket for facilitating replacement of a scraper chain according to claim 5, characterized in that: The first replacement rack (41) and the second replacement rack (44) are symmetrically arranged, and the first operating mechanism (42) and the second operating mechanism (45) are symmetrically arranged.

7. A bracket for facilitating replacement of a scraper chain according to claim 6, characterized in that: Transmission wheels (21) are sleeved on both ends of the support frame (2), and the scraper chain (3) is located above the transmission wheel (21).

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