Self-cleaning mechanism for tank body of sewage vehicle
By installing a motor-driven rotating column and a cleaning collar inside the sewage truck tank, the cleaning device is automatically activated by changes in the liquid level, solving the problem of requiring manual intervention for cleaning the sewage truck tank, achieving self-cleaning of the tank, and reducing labor intensity.
Patent Information
- Application Number
- CN202422438285.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-10-10
AI Technical Summary
The existing sewage truck tanks require manual intervention for cleaning, which increases the workload of staff and makes it impossible to achieve self-cleaning operation.
A self-cleaning mechanism for sewage truck tanks was designed, including a motor-driven rotating column, a cam groove, a support slider, and a cleaning collar. The motor is automatically activated by changes in the liquid level, which drives the cleaning collar to move along the inner wall of the tank to achieve self-cleaning.
The tank's inner wall can be cleaned without human intervention, reducing the workload of staff and improving cleaning efficiency and effectiveness.
Smart Images

Figure CN223629178U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sewage vehicle technical field, concretely relates to a sewage vehicle tank self-cleaning mechanism. BACKGROUND
[0002] With different needs of people to the tank vehicle of attracting and sending loading and unloading material, people have invented various kinds of sewage suction vehicles, and the sewage vehicle is one of them.
[0003] Most of the sewage tank in the existing sewage vehicle needs the staff to enter the tank body to clean or to clean by other ways when cleaning, and the cleaning work can be carried out only by human intervention in the cleaning process, and the tank body 1 cannot be self-cleaning, so as to increase the labor of the staff.
[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT
[0005] In order to solve the above technical problems that most of the sewage tank in the existing sewage vehicle needs the staff to enter the tank body to clean or to clean by other ways when cleaning, and the cleaning work can be carried out only by human intervention in the cleaning process, and the tank body 1 cannot be self-cleaning, so as to increase the labor of the staff, the basic concept of the technical scheme of the utility model is:
[0006] A sewage vehicle tank self-cleaning mechanism, comprising a sewage vehicle;
[0007] A sewage tank is arranged on the sewage vehicle, a self-cleaning mechanism is arranged in the sewage tank, an auxiliary cleaning mechanism is arranged on the self-cleaning mechanism, the self-cleaning mechanism comprises a motor fixedly connected to the outer wall of the sewage tank:
[0008] The motor output end is fixedly connected with a rotating column, the rotating column outer wall is provided with a cam groove, the cam groove inner wall is slidably provided with a supporting sliding block, the supporting sliding block outer wall is fixedly connected with a supporting ring on both sides, the supporting sliding block outer wall is fixedly connected with a supporting sliding rod, the sewage tank inner wall is provided with a supporting sliding groove, the supporting sliding rod outer wall is slidably connected to the inner wall of the supporting sliding groove, the sewage tank top end is fixedly connected with a fixed box, the fixed box top end is provided with a through hole, the through hole penetrates the top end of the sewage tank, the through hole inner wall is slidably provided with a connecting rod, the connecting rod top end is fixedly connected with a limiting plate, the connecting rod outer wall is fixedly connected with a touch rod, the fixed box inner wall is fixedly connected with a touch sensor, and the connecting rod far end from the limiting plate is fixedly connected with a floating plate.
[0009] As an optimal implementation form of the utility model, the auxiliary cleaning mechanism comprises a sliding hole formed in the outer wall of the supporting ring, a spring is fixedly connected to the bottom end of the inner wall of the sliding hole, one end of the spring away from the inner wall of the sliding hole is fixedly connected with a connecting rod, and the end of the connecting rod away from the spring is fixedly connected with a cleaning sleeve ring.
[0010] As an optimal implementation form of the utility model, the number of the supporting rings is two, and the supporting rings are symmetrically distributed inside the sewage tank.
[0011] As an optimal implementation form of the utility model, the number of the supporting sliding grooves is two, and the supporting sliding grooves are symmetrically distributed on the left and right sides of the inner wall of the sewage tank.
[0012] As an optimal implementation form of the utility model, the outer wall of the supporting sliding rod is matched with the inner wall of the supporting sliding groove.
[0013] As an optimal implementation form of the utility model, the number of the connecting rods is four, and the two connecting rods are symmetrically distributed on the outer wall of the supporting ring.
[0014] As an optimal implementation form of the utility model, the connecting rod is matched with the sliding hole formed in the outer wall of the supporting ring.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] The utility model discloses, liquid surface drops, and the floating plate will be driven to move downwards, the connecting rod is driven to move downwards through the movement of the floating plate, the touch rod is driven to move downwards through the movement of the connecting rod, and the touch sensor is activated until the touch rod contacts the touch sensor, so that the motor is started, and the output end can drive the rotating column to rotate, the cam groove is driven to rotate through the rotation of the rotating column, so that the supporting sliding block can be driven to move left and right, the supporting sliding rod is driven to move in the inner wall of the supporting sliding groove at this time, the supporting sliding block drives the supporting ring to move left and right through the supporting and limiting effect of the supporting sliding rod, so that the cleaning sleeve ring is driven to move through the supporting ring, the inner wall of the sewage tank is scraped and cleaned, and the touch sensor is closed when the floating plate is driven to move upwards along with the rising of the internal sewage liquid surface, so that the motor is closed, so that the staff does not need to intervene in the cleaning operation of the sewage tank, and the labor intensity of the staff is reduced.
[0017] The utility model discloses, through the elastic rebound of the spring, the connecting rod can be driven to be lifted upwards, so that the cleaning sleeve ring is driven to extend outward, and the outer wall of the cleaning sleeve ring is tightly attached to the inner wall of the sewage tank, so that the cleaning effect of the cleaning sleeve ring on the inner wall of the sewage tank is improved.
[0018] The specific embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0019] In the drawings:
[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0021] Figure 2 is a schematic diagram of the internal cross-sectional structure of the present utility model;
[0022] Figure 3 is a schematic diagram of the cross-sectional structure of the self-cleaning mechanism of the present utility model;
[0023] Figure 4 is a schematic diagram of the partial structure of the self-cleaning mechanism of the present utility model;
[0024] Figure 5 is a schematic diagram of the cross-sectional structure of the auxiliary cleaning mechanism of the present utility model.
[0025] In the drawings: 1, sewage truck; 2, sewage tank; 31, self-cleaning mechanism; 311, motor; 312, rotating column; 313, cam groove; 314, support sliding block; 315, support ring; 316, support sliding rod; 317, support sliding groove; 318, fixed box; 319, connecting rod; 3110, limiting plate; 3111, touch sensor; 3112, floating plate; 3113, touch rod; 32, auxiliary cleaning mechanism; 321, spring; 322, connecting rod; 323, cleaning sleeve ring. DETAILED DESCRIPTION
[0026] To make the purpose, technical scheme and advantages of the embodiments of the present utility model clearer, the technical scheme in the embodiments will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
[0027] As Figures 1 to 5 shown, a self-cleaning mechanism for a sewage truck tank body, comprising a sewage truck 1;
[0028] The sewage tank 2 is arranged on the sewage truck 1, the sewage tank 2 is internally provided with a self-cleaning mechanism 31, the self-cleaning mechanism 31 is provided with an auxiliary cleaning mechanism 32, the self-cleaning mechanism 31 comprises a motor 311 fixedly connected to the outer wall of the sewage tank 2:
[0029] The output end of the motor 311 is fixedly connected with a rotating column 312, the outer wall of the rotating column 312 is provided with a cam groove 313, the inner wall of the cam groove 313 is slidably provided with a supporting sliding block 314, the outer wall of the supporting sliding block 314 is fixedly connected with a supporting ring 315, the outer wall of the supporting sliding block 314 is fixedly connected with a supporting sliding rod 316, the inner wall of the sewage tank 2 is provided with a supporting sliding groove 317, the outer wall of the supporting sliding rod 316 is slidably connected to the inner wall of the supporting sliding groove 317, the top end of the sewage tank 2 is fixedly connected with a fixed box 318, the top end of the fixed box 318 is provided with a through hole, the through hole penetrates the top end of the sewage tank 2, the inner wall of the through hole is slidably provided with a connecting rod 319, the top end of the connecting rod 319 is fixedly connected with a limiting plate 3110, the outer wall of the connecting rod 319 is fixedly connected with a touch rod 3113, the inner wall of the fixed box 318 is fixedly connected with a touch sensor 3111, and the end of the connecting rod 319 away from the limiting plate 3110 is fixedly connected with a floating plate 3112.
[0030] Further, the number of supporting rings 315 is two, and the supporting rings 315 are distributed in the sewage tank 2 in a left-right symmetrical structure, so that the left and right sides of the sewage tank 2 can be cleaned, and the cleaning effect is improved.
[0031] Further, the number of supporting sliding grooves 317 is two, and the supporting sliding grooves 317 are distributed on the left and right sides of the inner wall of the sewage tank 2 in a left-right symmetrical structure, so that the left and right sides of the supporting sliding rod 316 can be uniformly supported synchronously, thereby further improving the movement stability of the supporting sliding rod 316, and the movement stability of the cleaning sleeve ring 323 is improved.
[0032] Further, the outer wall of the supporting sliding rod 316 is matched with the inner wall of the supporting sliding groove 317, so that the close fit between the outer wall of the supporting sliding rod 316 and the inner wall of the supporting sliding groove 317 can be ensured, the stability of the supporting sliding rod 316 during movement is ensured, and the stability of the cleaning sleeve ring 323 during movement is further improved.
[0033] The auxiliary cleaning mechanism 32 comprises a sliding hole provided in the outer wall of the supporting ring 315, the inner wall of the sliding hole is fixedly connected with a spring 321 at the bottom end, the end of the spring 321 away from the inner wall of the sliding hole is fixedly connected with a connecting rod 322, and the end of the connecting rod 322 away from the spring 321 is fixedly connected with a cleaning sleeve ring 323.
[0034] Further, the number of connecting rods 322 is four, and the two connecting rods 322 are a group and are distributed on the outer wall of the supporting ring 315 in an up-down and left-right symmetrical structure, so that the cleaning sleeve ring 323 can be supported up, down, left and right, thereby improving the support stability of the cleaning sleeve ring 323 during movement.
[0035] Further, the connecting rod 322 is matched with the inner wall of the sliding hole of the support ring 315, so that the outer wall of the connecting rod 322 is tightly matched with the inner wall of the sliding hole, thereby maintaining the stability of the connecting rod 322, and indirectly ensuring the stability of the cleaning sleeve ring 323 during left and right movement.
[0036] The implementation principle of the sewage tank self-cleaning mechanism of the embodiment is as follows: when the sewage in the sewage tank 2 is discharged to lower the liquid level, the floating plate 3112 is driven to move downward, the connecting rod 319 is driven to move downward through the movement of the floating plate 3112, the touch rod 3113 is driven to move downward through the movement of the connecting rod 319, until the touch rod 3113 contacts the touch sensor 3111, thereby activating the touch sensor 3111 to start the motor 311, and the output end of the motor 311 drives the rotating column 312 to rotate, the cam groove 313 is driven to rotate through the rotation of the rotating column 312, thereby driving the support sliding block 314 to move left and right, the support sliding block 314 drives the support sliding rod 316 to move in the inner wall of the support sliding groove 317, the support sliding rod 316 is supported and limited, the support sliding block 314 drives the support ring 315 to move left and right, thereby driving the cleaning sleeve ring 323 to move through the support ring 315, and the inner wall of the sewage tank 2 is scraped and cleaned, as the liquid level in the sewage tank 2 rises, the floating plate 3112 is driven to move upward, the touch rod 3113 moves away from the touch sensor 3111, thereby closing the touch sensor 3111, and the motor 311 is closed, so that the staff does not need to intervene in the cleaning operation of the sewage tank 2, and the labor intensity of the staff is reduced.
[0037] Through the elastic rebound of the spring 321, the connecting rod 322 is driven to move upward, thereby driving the cleaning sleeve ring 323 to extend outward, so that the outer wall of the cleaning sleeve ring 323 tightly contacts the inner wall of the sewage tank 2, thereby improving the cleaning effect of the cleaning sleeve ring 323 on the inner wall of the sewage tank 2.
Claims
1. A sewage tank self-cleaning mechanism, comprising a sewage truck (1); The sewage tank (2) arranged on the sewage vehicle (1) is characterized in that, The sewage tank (2) is internally provided with a self-cleaning mechanism (31), and the self-cleaning mechanism (31) is provided with an auxiliary cleaning mechanism (32); the self-cleaning mechanism (31) comprises a motor (311) fixedly connected to the outer wall of the sewage tank (2): The output end of the motor (311) is fixedly connected with a rotating column (312), the outer wall of the rotating column (312) is provided with a cam groove (313), the inner wall of the cam groove (313) is slidably provided with a supporting sliding block (314), the outer wall of the supporting sliding block (314) is fixedly connected with a supporting ring (315) on both sides, the outer wall of the supporting sliding block (314) is fixedly connected with a supporting sliding rod (316), the inner wall of the supporting sliding rod (316) is slidably connected in the supporting sliding groove (317), the top end of the sewage tank (2) is fixedly connected with a fixed box (318), the top end of the fixed box (318) is provided with a through hole, the through hole penetrates the top end of the sewage tank (2), and the inner wall of the through hole is slidably provided with a connecting rod (319); the top end of the connecting rod (319) is fixedly connected with a limiting plate (3110), the outer wall of the connecting rod (319) is fixedly connected with a touch rod (3113), the inner wall of the fixed box (318) is fixedly connected with a touch sensor (3111), and the end of the connecting rod (319) away from the limiting plate (3110) is fixedly connected with a floating plate (3112).
2. A sewage vehicle tank self-cleaning mechanism according to claim 1, characterized in that, The auxiliary cleaning mechanism (32) comprises a sliding hole formed in the outer wall of the supporting ring (315), the inner wall of the sliding hole is fixedly connected with a spring (321) at the bottom end, the end of the spring (321) away from the inner wall of the sliding hole is fixedly connected with a connecting rod (322), and the end of the connecting rod (322) away from the spring (321) is fixedly connected with a cleaning sleeve ring (323).
3. The self-cleaning mechanism of a sewage vehicle tank according to claim 1, characterized in that, The number of the supporting rings (315) is two, and the supporting rings (315) are symmetrically distributed in the sewage tank (2).
4. The self-cleaning mechanism of a sewage vehicle tank according to claim 1, characterized in that, The number of the supporting sliding grooves (317) is two, and the supporting sliding grooves (317) are symmetrically distributed on the left and right sides of the inner wall of the sewage tank (2).
5. The self-cleaning mechanism of a sewage vehicle tank according to claim 1, characterized in that, The outer wall of the supporting sliding rod (316) is matched with the inner wall of the supporting sliding groove (317).
6. A sewage vehicle tank self-cleaning mechanism according to claim 2, characterized in that, The number of the connecting rods (322) is four, and the two connecting rods (322) are symmetrically distributed on the outer wall of the supporting ring (315).
7. The sewage vehicle tank self-cleaning mechanism according to claim 2, characterized in that, The connecting rod (322) is matched with the inner wall of the sliding hole formed in the outer wall of the supporting ring (315).