Cathode auxiliary fixing device for circular electric precipitator

Abstract

The cathode auxiliary fixing device is characterized in that a connecting rod comprises a rod body, a plurality of inserting rods are connected to the inner wall of the rod body in a penetrating mode, one end of each inserting rod penetrates out of the rod body and is in threaded connection with a fastening nut, and the other end of each inserting rod penetrates out of the rod body and is fixedly connected with a supporting frame; a connector is fixedly connected to the top of the supporting frame, the outer side wall of the connector is movably connected with the small cathode frame, telescopic blocks are slidably connected to the two sides of the inner wall of the connector, second springs are fixedly connected to the ends, located in the connector, of the telescopic blocks, and the other ends of the second springs are fixedly connected with the connector; one end of the telescopic block penetrates out of the connector, the bottom of the telescopic block is movably connected with the small cathode frame, during fixing, the rotary knob is rotated to drive the screw rod to rotate, the lifting block is pushed to move upwards to extrude one side of the telescopic block out of the connector, and therefore the telescopic block is matched with the supporting frame below to clamp and fix the small cathode frame.

Description

Technical Field

[0001] The utility model relates to the technical field of electric precipitators, in particular to a cathode auxiliary fixing device for a circular electric precipitator. Background Art

[0002] A circular electrostatic precipitator is a device used to remove solid particles from industrial exhaust gases. It uses the principle of electric field to give the exhaust gas an electric charge so that it is adsorbed onto the electrode under the action of the electric field, thereby achieving the purpose of removing particulate matter.

[0003] A Chinese patent discloses a cathode auxiliary fixing device for a circular electrostatic precipitator (publication number: CN219377507U). The device uses a connecting assembly, a transition assembly and a fixing assembly to form a whole through bolts, nuts and other parts, so that each cathode small frame can be stably fixed in the shell of the circular electrostatic precipitator, effectively solving the shortcomings of the current circular electrostatic precipitator that the cathode small frame cannot ensure the inter-electrode spacing and parallel with the anode plate row when installing. In addition, under the premise of ensuring the stability of the cathode small frame, the introduction of the transition assembly can ensure the insulation state of the cathode and the shell, but the device still has the following problems:

[0004] In the above device, multiple nuts cooperate with each other to lock and fix the insulating part and the cathode small frame. Although the stability of the connection can be guaranteed, it is troublesome to remove the multiple nuts when the insulating part needs to be replaced and repaired or the cathode small frame needs to be disassembled and cleaned. In addition, since the spacing between the cathode small frames is small, specific tools are required to remove the nuts. Utility Model Content

[0005] The technical problems to be solved by the utility model are as follows: when the insulating parts need to be replaced and repaired or the cathode small frame needs to be disassembled and cleaned, it is troublesome to disassemble multiple nuts, and since the spacing between the cathode small frames is small, specific tools are required to remove the nuts.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A cathode auxiliary fixing device for a circular electrostatic precipitator comprises a fixing rod, an insulating member is arranged on one side of the fixing rod, a fixing mechanism is arranged on the top of the insulating member, a connecting rod is arranged on the other side of the insulating member, and a cathode small frame is arranged on the top of the connecting rod;

[0008] Also includes:

[0009] The connecting rod comprises a rod body, the inner wall of the rod body is penetrated and connected with a plurality of plug rods, one end of the plug rod passes through the rod body and is threadedly connected with a fastening nut, and the other end of the plug rod passes through the rod body and is fixedly connected with a support frame;

[0010] The support frame is L-shaped, a connector is fixedly connected to the top of the support frame, and an outer side wall of the connector is movably connected to the cathode small frame;

[0011] Among them, telescopic blocks are slidably connected on both sides of the inner wall of the connecting head, one end of the telescopic block is located inside the connecting head and is fixedly connected to spring 2, the other end of spring 2 is fixedly connected to the connecting head, one end of the telescopic block passes through the connecting head, and the bottom of the telescopic block is movably connected to the cathode small frame.

[0012] As a further solution of the utility model: the top of the connecting head is rotatably connected to a knob, the middle of the bottom of the knob is fixedly connected to a screw rod, the screw rod is located on the inner side of the connecting head, and the bottom end of the screw rod is rotatably connected to the support frame.

[0013] As a further solution of the utility model: a lifting block is provided on the threaded sleeve of the outer wall of the screw rod, the upper end of the lifting block is conical, and the two sides of the outer wall of the upper end of the lifting block are respectively slidably connected with two telescopic blocks.

[0014] As a further solution of the utility model: the inner wall of the fixing rod is sleeved with an insulating member, the other end of the insulating member is slidably connected to the inner wall of the rod body, and a slot is provided on the surface of the insulating member and at one end inside the fixing rod and the rod body.

[0015] As a further solution of the utility model: the fixing mechanism includes a mounting block, a ball is movably connected in the middle of the bottom of the mounting block, and the bottom end of the ball passes through the mounting block and is engaged with the inner wall of the slot of the insulating member.

[0016] As a further solution of the utility model: the inner wall of the mounting block and the top of the ball are slidably connected with a moving rod, one end of the middle part of the moving rod is fixedly connected with a spring 1, the other end of the spring 1 is fixedly connected to the inner wall of the mounting block, one end of the bottom side of the moving rod is fixedly connected with an extrusion block, and the bottom of the extrusion block is movably connected to the ball.

[0017] As a further solution of the utility model: the outer walls of the installation block and the fixing rod are fixedly connected to the installation block near the insulating member.

[0018] Beneficial effects of the utility model:

[0019] (1) The utility model supports the cathode small frame above by a support frame, and a connecting head is installed on the top of the support frame. The connecting head is inserted into the cathode small frame for easy positioning during installation. When fixing, the knob is rotated to drive the screw to rotate, and the lifting block is pushed upward to squeeze one side of the telescopic block out of the connecting head, so that the telescopic block cooperates with the support frame below to clamp and fix the cathode small frame. When the cathode small frame needs to be disassembled, the knob only needs to be turned in the opposite direction to control the retraction of the telescopic block, which is convenient for operation;

[0020] (2) A fixing mechanism is provided on the surface of the fixing rod and the connecting rod connecting the insulating part. An extrusion block is provided at the bottom of the moving rod in the fixing mechanism. The extrusion block pushes out the ball bearings below so that the ball bearings are snapped downward into the slots at both ends of the insulating part to fix the insulating part. When removing the insulating part, it is only necessary to pull the moving rod outward. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a cross-sectional schematic diagram of the overall structure of the utility model;

[0024] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure of region A;

[0025] Figure 4 It is a schematic diagram of the top view of the insulating member in the utility model;

[0026] Figure 5 It is a schematic diagram of the internal structure of the support frame in the utility model.

[0027] In the figure: 1. fixing rod; 2. insulating part; 3. fixing mechanism; 301. mounting block; 302. ball bearing; 303. moving rod; 304. spring one; 305. extrusion block; 4. connecting rod; 401. rod body; 402. plug rod; 403. fastening nut; 404. support frame; 405. connector; 406. knob; 407. screw; 408. lifting block; 409. telescopic block; 410. spring two; 5. cathode small frame. DETAILED DESCRIPTION

[0028] 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.

[0029] like Figure 1-5 As shown, a cathode auxiliary fixing device for a circular electrostatic precipitator includes a fixing rod 1, an insulating member 2 is arranged on one side of the fixing rod 1, a fixing mechanism 3 is arranged on the top of the insulating member 2, a connecting rod 4 is arranged on the other side of the insulating member 2, and a cathode small frame 5 is arranged on the top of the connecting rod 4; the connecting rod 4 also includes: wherein the connecting rod 4 includes a rod body 401, a plurality of plug rods 402 are connected through the inner wall of the rod body 401, one end of the plug rod 402 passes through the rod body 401 and is threadedly connected to a fastening nut 403, and the other end of the plug rod 402 passes through the rod body 401 and is fixedly connected A support frame 404 is connected; wherein the support frame 404 is L-shaped, a connector 405 is fixedly connected to the top of the support frame 404, and the outer wall of the connector 405 is movably connected to the cathode small frame 5; wherein both sides of the inner wall of the connector 405 are slidably connected to telescopic blocks 409, the telescopic block 409 is located inside the connector 405 and one end is fixedly connected to a spring 2 410, the other end of the spring 2 410 is fixedly connected to the connector 405, one end of the telescopic block 409 passes through the connector 405, and the bottom of the telescopic block 409 is movably connected to the cathode small frame 5, such as Figure 5 As shown, the spring 2 410 pulls the telescopic block 409 to retract toward the inside of the link connector 405;

[0030] The top of the connector 405 is rotatably connected to a knob 406, and the middle of the bottom of the knob 406 is fixedly connected to a screw rod 407, which is located inside the connector 405, and the bottom end of the screw rod 407 is rotatably connected to the support frame 404, and the outer wall of the screw rod 407 is threadedly sleeved with a lifting block 408, the upper end of the lifting block 408 is conical, and the upper end outer wall of the lifting block 408 is slidably connected to two telescopic blocks 409 on both sides, such as Figure 5 As shown, when the lifting block 408 is lifted upward, it contacts the telescopic block 409 and pushes it outward from the connector 405;

[0031] The inner wall of the fixed rod 1 is sleeved with an insulating member 2, and the other end of the insulating member 2 is slidably connected to the inner wall of the rod body 401. A slot is provided on the surface of the insulating member 2 and at one end located inside the fixed rod 1 and the rod body 401. The fixing mechanism 3 includes a mounting block 301, and a ball 302 is movably connected to the middle of the bottom of the mounting block 301. The bottom end of the ball 302 passes through the mounting block 301 and is engaged with the inner wall of the slot of the insulating member 2. A moving rod 303 is slidably connected to the inner wall of the mounting block 301 and located above the ball 302. A spring 304 is fixedly connected to one end of the middle part of the moving rod 303, and the other end of the spring 304 is fixedly connected to the inner wall of the mounting block 301. An extrusion block 305 is fixedly connected to one end of the bottom side of the moving rod 303, and the bottom of the extrusion block 305 is movably connected to the ball 302. The outer wall of the mounting block 301 and the fixed rod 1 and the part close to the insulating member 2 are fixedly connected to the mounting block 301. Figure 3As shown, when the pressing block 305 contacts and holds the ball 302 , the ball 302 cannot be retracted into the interior of the mounting block 301 .

[0032] The working principle of this utility model:

[0033] When installing the insulating member 2, the two ends of the insulating member 2 are respectively inserted into the fixing rod 1 and the rod body 401, and the moving rod 303 is pulled outward, and the extrusion block 305 is separated from the ball 302, so that the ball 302 can shrink into the inside of the mounting block 301. When the insulating member 2 is inserted into place, the moving rod 303 is released, and the spring 1 304 releases elastic potential energy to pull the moving rod 303 to reset, so that the extrusion block 305 contacts the upper end of the ball 302 and pushes one end of the ball 302 out of the mounting block 301, so that one end of the ball 302 is stuck in the slot and fixes the insulating member 2;

[0034] Secondly, when fixing the cathode small frame 5, the cathode small frame 5 is inserted above the connecting head 405, and then the knob 406 is rotated to drive the screw 407 to rotate, and the lifting block 308 is lifted up under the push of the thread, so that the upper end of the lifting block 408 contacts the telescopic block 409, and the telescopic block 409 is withdrawn from the connecting head 405. At this time, the connecting head 405 cooperates with the support frame 404 below to clamp and fix the cathode small frame 5.

[0035] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A cathode auxiliary fixing device for a circular electrostatic precipitator, comprising a fixing rod (1), an insulating member (2) is arranged on one side of the fixing rod (1), a fixing mechanism (3) is arranged on the top of the insulating member (2), a connecting rod (4) is arranged on the other side of the insulating member (2), and a cathode small frame (5) is arranged on the top of the connecting rod (4); It is characterized in that Also includes: The connecting rod (4) comprises a rod body (401), the inner wall of the rod body (401) is penetrated by a plurality of insertion rods (402), one end of the insertion rod (402) passes through the rod body (401) and is threadedly connected to a fastening nut (403), and the other end of the insertion rod (402) passes through the rod body (401) and is fixedly connected to a support frame (404); The support frame (404) is L-shaped, a connector (405) is fixedly connected to the top of the support frame (404), and an outer side wall of the connector (405) is movably connected to the cathode small frame (5); Wherein, both sides of the inner wall of the connecting head (405) are slidably connected with telescopic blocks (409), one end of the telescopic block (409) located inside the connecting head (405) is fixedly connected with spring 2 (410), the other end of spring 2 (410) is fixedly connected to the connecting head (405), one end of the telescopic block (409) passes through the connecting head (405), and the bottom of the telescopic block (409) is movably connected to the cathode small frame (5).

2. A cathode auxiliary fixing device for a circular electrostatic precipitator according to claim 1, characterized in that: The top of the connecting head (405) is rotatably connected to a knob (406), the middle of the bottom of the knob (406) is fixedly connected to a screw rod (407), the screw rod (407) is located inside the connecting head (405), and the bottom end of the screw rod (407) is rotatably connected to the support frame (404).

3. A cathode auxiliary fixing device for a circular electrostatic precipitator according to claim 2, characterized in that: The outer wall of the screw rod (407) is threadedly sleeved with a lifting block (408), the upper end of the lifting block (408) is conical, and the two sides of the upper end outer wall of the lifting block (408) are respectively slidably connected to two telescopic blocks (409).

4. The cathode auxiliary fixing device for a circular electrostatic precipitator according to claim 1, characterized in that: An insulating member (2) is sleeved on the inner wall of the fixing rod (1), and the other end of the insulating member (2) is slidably connected to the inner wall of the rod body (401). A slot is provided on the surface of the insulating member (2) and at one end located inside the fixing rod (1) and the rod body (401).

5. The cathode auxiliary fixing device for a circular electrostatic precipitator according to claim 1, characterized in that: The fixing mechanism (3) comprises a mounting block (301), a ball (302) being movably connected in the middle of the bottom of the mounting block (301), the bottom end of the ball (302) passing through the mounting block (301) and being engaged with the inner wall of the slot of the insulating member (2).

6. A cathode auxiliary fixing device for a circular electrostatic precipitator according to claim 5, characterized in that: A moving rod (303) is slidably connected to the inner wall of the mounting block (301) and located above the ball (302); a spring (304) is fixedly connected to one end of the middle portion of the moving rod (303); the other end of the spring (304) is fixedly connected to the inner wall of the mounting block (301); an extrusion block (305) is fixedly connected to one end of the bottom side of the moving rod (303); and the bottom of the extrusion block (305) is movably connected to the ball (302).

7. A cathode auxiliary fixing device for a circular electrostatic precipitator according to claim 5, characterized in that: The outer wall of the mounting block (301) and the fixing rod (1) and the area close to the insulating member (2) are fixedly connected to the mounting block (301).

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