Suction nozzle lifting device with walking wheel pressure balancing capacity and environmental sanitation motor sweeper with suction nozzle lifting device

Abstract

The utility model relates to a suction nozzle lifting device with walking wheel pressure balancing capacity and an environmental sanitation sweeper with the suction nozzle lifting device, which belong to the field of sweepers and comprise a balancing device, a suction nozzle main body, a walking wheel main body and a pressure sensor, the balancing device is connected with the upper end of the suction nozzle body and used for driving the suction nozzle body to move up and down; the suction nozzle main body is used for sucking garbage on the ground; the walking wheel main bodies are connected with the suction nozzle main body and are positioned on two sides of the suction nozzle main body; and the pressure sensor is arranged between the suction nozzle main body and the walking wheel main body. The pressure sensor detects the pressure acting on the walking wheel body by the suction nozzle body all the time, and when the pressure deviates from the optimal range value for a long time, the balancing device adjusts the height of the suction nozzle body till the pressure value returns to the optimal range again and stops, so that the walking wheel body bears the constant small pressure range value all the time. The maximum suction force of the suction nozzle can be completely guaranteed, the abrasion speed of the walking wheel body can be reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of sweepers, in particular to a suction nozzle lifting device capable of balancing the pressure of walking wheels and a sanitation sweeper thereof. Background Art

[0002] With the development of social economy and the improvement of urban level, the population is becoming more and more concentrated, and the corresponding environmental sanitation requirements are getting higher and higher. In cities, garbage and dust are easily accumulated on the road surface, which needs to be dealt with in time, otherwise it will not only affect the appearance of the city, but also affect people's healthy travel; sanitation vehicles are special vehicles used for urban appearance tidying and cleaning. They mainly sweep the road surface through a sweeping disc to gather garbage, and then the fan forms a negative pressure to suck the garbage into the sanitation vehicle garbage bin through the suction nozzle. However, during the operation, the upper surface of the suction nozzle will be subject to the atmospheric pressure caused by the negative pressure in the inner cavity of the suction nozzle. The projection area of ​​the upper surface of the suction nozzle is large, and the pressure is usually relatively large. The parts such as the suction nozzle walking wheel are subjected to the dual forces of the suction nozzle's own weight and the atmospheric pressure on the upper surface of the suction nozzle, and the wear is fast and the service life is short. Therefore, a suction nozzle lifting device with the ability to balance the walking wheel pressure and a sanitation sweeper thereof are proposed to solve the above problems. Utility Model Content

[0003] In response to one or more of the above defects or improvement needs of the prior art, the utility model provides a suction nozzle lifting device capable of balancing the pressure of the traveling wheels and a sanitation sweeper thereof, which has the advantage of extending the service life of the traveling wheels and the suction nozzle.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a nozzle lifting device capable of balancing the pressure of a running wheel comprises: a balancing device, a nozzle body, a running wheel body and a pressure sensor;

[0005] A balancing device connected to the upper end of the nozzle body and used to drive the nozzle body to move up and down;

[0006] The suction nozzle body is used to suck up the garbage on the ground;

[0007] The walking wheel body is connected to the suction nozzle body and is located on both sides of the suction nozzle body;

[0008] The pressure sensor is arranged between the suction nozzle body and the running wheel body, and is used to detect the pressure value of the suction nozzle body acting on the running wheel body.

[0009] As a further improvement of the utility model, the balancing device comprises: a lifting mechanism and a balancing mechanism;

[0010] The lifting mechanism has a lower end disposed at the upper end of the nozzle body and away from the travel wheel body, and is used to drive the lifting and lowering of the entire nozzle body;

[0011] The balancing mechanism has a lower end disposed on the suction nozzle body and close to the position of the walking wheel body, and is used for balancing the pressure on the walking wheel body.

[0012] As a further improvement of the utility model, the lifting mechanism comprises: a first execution unit and a first chain;

[0013] The upper end of the first execution unit is arranged at the bottom of the frame, and the lower output end is connected to the first chain; the lower end of the first chain is arranged on the suction nozzle body, and is used to drive the suction nozzle body to move up and down.

[0014] As a further improvement of the utility model, the balancing mechanism includes: a second chain and a second execution unit;

[0015] The upper end of the second execution unit is arranged at the bottom of the frame, and the lower output end is connected to the second chain; the lower end of the second chain is arranged on the suction nozzle body, which is used to balance the pressure on the walking wheel body.

[0016] As a further improvement of the utility model, a suction straw is provided on the suction nozzle body, and the suction straw is used to transport the garbage sucked by the suction nozzle body to the cleaning vehicle.

[0017] As a further improvement of the utility model, the suction nozzle lifting device with the ability to balance the pressure of the walking wheels and the sanitation sweeper thereof also include a central control machine;

[0018] The line connection between the central control machine and the pressure sensor is used to compare the pressure result detected by the pressure sensor with the initial result, and control the second execution unit according to the result, so as to adjust the pressure between the nozzle body and the pressure sensor.

[0019] A sanitation sweeper comprises a suction nozzle lifting device capable of balancing the pressure of a running wheel and a sanitation sweeper thereof. The balancing device, the suction nozzle body, the running wheel body and the pressure sensor are arranged at the bottom of the sanitation sweeper.

[0020] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0021] First, the optimal range of pressure values ​​that the walking wheel body can withstand is obtained in advance through experiments. Within this range, the suction force of this nozzle can be fully guaranteed to be maximum, and the wear rate of the walking wheel body can be reduced. The upper end of the balancing device is fixed to the bottom of the frame. When the nozzle body is working, the balancing device controls the nozzle body to descend to a predetermined height and stop; after the lowering is completed, the pressure sensor always detects the pressure of the nozzle body on the walking wheel body. When the pressure deviates from the optimal range value for a long time, the balancing device adjusts the height of the nozzle body until the pressure value returns to the optimal range again and stops. When the nozzle is working, the upper surface of the nozzle will be subject to the atmospheric pressure caused by the negative pressure in the nozzle cavity and its own gravity, so that the walking wheel body is always subject to a constant and smaller pressure range value, which can fully guarantee the maximum suction force of this nozzle, and reduce the wear rate of the walking wheel body and extend the service life. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0023] In all the drawings, the same figure marks represent the same technical features, specifically: A, balancing device; A1, lifting mechanism; 1, first execution unit; 2, first chain; 3, suction nozzle body; 4, walking wheel body; 5, pressure sensor; 6, suction straw; A2, balancing mechanism; 7, second chain; 8, second execution unit. DETAILED DESCRIPTION

[0024] 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 in 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.

[0025] In the embodiment, Figure 1 Provided is a nozzle lifting device capable of balancing the pressure of the walking wheel, which may optionally include but is not limited to: a balancing device A, a nozzle body 3, a walking wheel body 4 and a pressure sensor 5;

[0026] The balancing device A is connected to the upper end of the nozzle body 3 and is used to drive the nozzle body 3 to move up and down;

[0027] The suction nozzle body 3 is used to suck the garbage on the ground;

[0028] The walking wheel body 4 is connected to the nozzle body 3 and is located on both sides of the nozzle body 3;

[0029] The pressure sensor 5 is disposed between the suction nozzle body 3 and the running wheel body 4 , and is used to detect the pressure value of the suction nozzle body 3 acting on the running wheel body 4 .

[0030] In this embodiment, a nozzle lifting device with the ability to balance the pressure of the walking wheel is provided. The optimal range of the pressure value that the walking wheel body 4 can withstand is obtained in advance through experiments. Within this range, the suction force of this nozzle can be fully guaranteed to be maximum, and the wear rate of the walking wheel body 4 can be reduced. The upper end of the balancing device A is fixed to the bottom of the frame. When the nozzle body 3 is working, the balancing device A controls the nozzle body 3 to descend to a predetermined height and stop; when the nozzle body 3 is working, the upper surface of the nozzle body 3 will be subject to the atmospheric pressure caused by the negative pressure in the inner cavity of the nozzle and its own gravity. After the lowering is completed, the pressure sensor 5 always detects the pressure of the nozzle body 3 acting on the walking wheel body 4. When the pressure deviates from the optimal range value for a long time, the balancing device A adjusts the height of the nozzle body 3 until the pressure value returns to the optimal range again and stops. In this way, the walking wheel body 4 is always subjected to a constant and smaller pressure range value, which can fully guarantee the maximum suction force of this nozzle, and reduce the wear rate of the walking wheel body 4, thereby extending the service life.

[0031] It is worth noting that the present invention is designed as a nozzle lifting device capable of balancing the pressure of the running wheel. Compared with the traditional nozzle lifting device, it is equipped with a pressure sensor 5, a balancing device A for balancing the pressure, etc. The pressure sensor 5 is arranged between the running wheel body 4 and the nozzle body 3, and can always detect the pressure value of the nozzle body 3 acting on the running wheel body 4, and adjust the lifting force of the balancing device A for balancing the pressure according to the detection result of the pressure sensor 5, so as to reduce the running wheel pressure as much as possible without affecting the suction force of the nozzle body 3.

[0032] Preferably, Figure 1 As shown, the balancing device A may optionally include but is not limited to: a lifting mechanism A1 and a balancing mechanism A2;

[0033] The lifting mechanism A1, the lower end of which is arranged at the upper end of the nozzle body 3 and away from the walking wheel body 4, is used to drive the lifting and lowering of the entire nozzle body 3;

[0034] The balancing mechanism A2 has a lower end disposed on the nozzle body 3 and close to the running wheel body 4 , and is used to balance the pressure on the running wheel body 4 .

[0035] More preferably, Figure 1 As shown, the lifting mechanism A1 may optionally include but is not limited to: a first execution unit 1 and a first chain 2;

[0036] The upper end of the first execution unit 1 is arranged at the bottom of the frame, and the lower output end is connected to the first chain 2; the lower end of the first chain 2 is arranged on the suction nozzle body 3, and is used to drive the suction nozzle body 3 to move up and down.

[0037] More preferably, Figure 1As shown, the balancing mechanism A2 may optionally include but is not limited to: a second chain 7 and a second execution unit 8;

[0038] The upper end of the second execution unit 8 is arranged at the bottom of the frame, and the lower output end is connected to the second chain 7; the lower end of the second chain 7 is arranged on the suction nozzle body 3, which is used to balance the pressure on the walking wheel body 4.

[0039] More preferably, the nozzle body 3 may optionally but not limited to be provided with a suction tube 6, and the suction tube 6 is used to transport the garbage sucked by the nozzle body 3 to the cleaning vehicle.

[0040] More preferably, the nozzle lifting device of the utility model having the ability to balance the pressure of the walking wheels may also optionally include, but not limited to, a central control machine;

[0041] The central control machine is connected to the pressure sensor 5 by a line for comparing the pressure result detected by the pressure sensor 5 with the initial result, and controlling the second execution unit 8 according to the result, so as to adjust the pressure between the nozzle body 3 and the pressure sensor 5 .

[0042] More preferably, the utility model has a suction nozzle lifting device capable of balancing the pressure of the walking wheel, and can also optionally but not limited to include a sanitation sweeper, a balancing device A, a suction nozzle body 3, a walking wheel body 4 and a pressure sensor 5, which are arranged at the bottom of the sanitation sweeper.

[0043] Through experiments, the optimal range of pressure values ​​that the walking wheel body 4 can withstand is obtained in advance. Within this range, the suction force of the nozzle body 3 can be fully guaranteed to be maximum, and the wear rate of the walking wheel body 4 can be reduced, and this optimal range of pressure values ​​is preset in the industrial computer. When the nozzle body 3 is working, the first execution unit 1 extends and starts to lower the entire nozzle body 3, and stops after reaching the set elongation length; when the nozzle body 3 is working, the upper surface of the nozzle body 3 will be subject to the atmospheric pressure and its own gravity caused by the negative pressure in the nozzle cavity. After the lowering is completed, the pressure sensor 5 always detects the pressure of the nozzle body 3 acting on the walking wheel body 4, and transmits the result to the industrial computer. The industrial computer will compare the measurement result of the pressure sensor 5 with the preset optimal range value. When the pressure deviates from the optimal range value for a long time, the industrial computer will control the second execution unit 8 to adjust the size of the lifting force until the pressure value returns to the optimal range again and stops. In this way, the walking wheel body 4 is always subjected to a constant and smaller pressure range value, which can fully guarantee the maximum suction force of the nozzle body 3 and reduce the wear rate of the walking wheel body 4, thereby extending the service life.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nozzle lifting device capable of balancing the pressure of the walking wheel, characterized in that: include: A balancing device (A), a suction nozzle body (3), a walking wheel body (4) and a pressure sensor (5); A balancing device (A) is connected to the upper end of the nozzle body (3) and is used to drive the nozzle body (3) to move up and down; A suction nozzle body (3) for sucking up garbage on the ground; The walking wheel body (4) is connected to the suction nozzle body (3) and is located on both sides of the suction nozzle body (3); The pressure sensor (5) is arranged between the suction nozzle body (3) and the running wheel body (4) and is used to detect the pressure value exerted by the suction nozzle body (3) on the running wheel body (4).

2. A nozzle lifting device with the ability to balance the pressure of the running wheels according to claim 1, characterized in that: A balancing device (A) comprising: a lifting mechanism (A1) and a balancing mechanism (A2); A lifting mechanism (A1), the lower end of which is arranged at the upper end of the suction nozzle body (3) and away from the walking wheel body (4), and is used to drive the lifting and lowering of the entire suction nozzle body (3); The balancing mechanism (A2) has a lower end disposed on the suction nozzle body (3) and close to the running wheel body (4), and is used to balance the pressure on the running wheel body (4).

3. A nozzle lifting device with the ability to balance the pressure of the running wheels according to claim 2, characterized in that: A lifting mechanism (A1) comprises: a first execution unit (1) and a first chain (2); The upper end of the first execution unit (1) is arranged at the bottom of the frame, and the lower output end is connected to the first chain (2); the lower end of the first chain (2) is arranged on the suction nozzle body (3) and is used to drive the suction nozzle body (3) to move up and down.

4. A nozzle lifting device with the ability to balance the pressure of the running wheels according to claim 2, characterized in that: The balancing mechanism (A2) comprises: a second chain (7) and a second execution unit (8); The upper end of the second execution unit (8) is arranged at the bottom of the frame, and the lower output end is connected to the second chain (7); the lower end of the second chain (7) is arranged on the suction nozzle body (3) and is used to balance the pressure on the walking wheel body (4).

5. A nozzle lifting device with the ability to balance the pressure of the running wheels according to claim 4, characterized in that: A suction pipe (6) is provided on the suction nozzle body (3), and the suction pipe (6) is used to transport the garbage sucked by the suction nozzle body (3) into the cleaning vehicle.

6. A nozzle lifting device with the ability to balance the pressure of the running wheels according to any one of claims 1 to 5, characterized in that: It also includes a central control machine; A line connection is provided between the central control machine and the pressure sensor (5) for comparing the pressure result detected by the pressure sensor (5) with the initial result and controlling the second execution unit (8) according to the result, thereby adjusting the pressure between the suction nozzle body (3) and the pressure sensor (5).

7. A sanitation sweeper, characterized in that: It comprises a suction nozzle lifting device with the ability to balance the running wheel pressure and a sanitation sweeper thereof as described in any one of claims 1 to 6, a balancing device (A), a suction nozzle body (3), a running wheel body (4) and a pressure sensor (5), which are arranged at the bottom of the sanitation sweeper.

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