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CN-224234043-U - Circulation cooling device of shield machine frequency converter

CN224234043UCN 224234043 UCN224234043 UCN 224234043UCN-224234043-U

Abstract

The utility model discloses a circulating cooling device of a shield machine frequency converter, which relates to the technical field of shield machine frequency converters and comprises a fixed plate, wherein a mounting frame is fixed in the middle of the top of the fixed plate, a cooling mechanism is arranged at the top of the fixed plate, a filtering and cleaning mechanism is arranged at the top of the mounting frame, the cooling mechanism comprises a cooling pipe penetrating through one side of the mounting frame, a pump is fixed at the inlet end of the cooling pipe, a connecting pipe is fixed at the inlet end of the pump, a cooling box is fixed at the top of the fixed plate, and a heat conducting plate is uniformly penetrated and fixed at the top of the cooling box.

Inventors

  • LI SHUANGJIANG
  • WANG LI

Assignees

  • 江阴市中鼎节能流体科技有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (7)

  1. 1. The circulating cooling device of the shield machine frequency converter is characterized by comprising a fixed plate (100), wherein a mounting frame (200) is fixed in the middle of the top of the fixed plate (100), a cooling mechanism (300) is arranged at the top of the fixed plate (100), and a filtering and cleaning mechanism (400) is arranged at the top of the mounting frame (200); The cooling mechanism (300) is fixed in including running through cooling tube (330) of installing frame (200) one side, the entry end of cooling tube (330) is fixed with pump machine (340), the entry end of pump machine (340) is fixed with connecting pipe (350), the top of fixed plate (100) is fixed with cooling box (360), evenly run through at the top of cooling box (360) is fixed with heat conduction piece (371), the top of heat conduction piece (371) is fixed with heat conduction board (370), the top of heat conduction board (370) is fixed with semiconductor refrigeration piece (380).
  2. 2. The device for circulating cooling of a frequency converter of a shield tunneling machine according to claim 1, wherein said cooling mechanism (300) further comprises a mounting frame (310) fixed on the inner side wall of said mounting frame (200), and a heat dissipating fan (320) is fixed on the top of said mounting frame (310).
  3. 3. The circulating cooling apparatus of a shield tunneling machine frequency converter according to claim 1, wherein an outlet end of said cooling pipe (330) penetrates and is fixed on one side of an inner cavity of said cooling box (360), and said connecting pipe (350) penetrates and is fixed on one side of the inner cavity of said cooling box (360).
  4. 4. The circulating cooling apparatus of the shield tunneling machine frequency converter of claim 1, wherein an injection pipe (361) is fixed at the top edge of the cooling box (360), and a sealing plug is connected to the inside of the injection pipe (361).
  5. 5. The circulating cooling apparatus of the shield tunneling machine frequency converter of claim 2, wherein said cooling fan (320) is located at the top of said cooling tube (330), and said cooling tube (330) is S-shaped.
  6. 6. The cooling device of the shield tunneling machine frequency converter according to claim 1, wherein the filtering and cleaning mechanism (400) comprises a filter screen (410) fixed to the top of the installation frame (200) through bolts, concave plates (420) are fixed to the tops of two sides of the installation frame (200), sliding rods (430) are symmetrically fixed to the tops of two opposite sides of the concave plates (420), sliding blocks (440) are arranged on the outer sides of the sliding rods (430) in a sliding mode, a movable plate (450) is fixed to the opposite sides of the two sliding blocks (440), cleaning brushes (460) are fixed to the bottoms of the movable plate (450) through bolts, a connecting seat (470) is fixed to the middle portion of one side of the movable plate (450), a driving motor (480) is fixed to the top of the fixed plate (100), a rotary disc (490) is fixed to the end portion of an output shaft of the driving motor (480), a connecting shaft (491) is fixed to the top edge portion of the rotary disc (490), and a connecting rod (492) is arranged on the outer side of the connecting shaft (491).
  7. 7. The cooling device of the shield tunneling machine frequency converter of claim 6, wherein one end of said connecting rod (492) is rotated inside said connecting seat (470), and the bottom of said cleaning brush (460) is attached to the top of said filter screen (410).

Description

Circulation cooling device of shield machine frequency converter Technical Field The utility model relates to the technical field of shield tunneling machine frequency converters, in particular to a circulating cooling device of a shield tunneling machine frequency converter. Background The tool bit of shield constructs machine is driven jointly by a plurality of motors, guarantees balance between a plurality of motors under the condition that the converter of control motor must guarantee the load, and shield constructs simultaneously and constructs quick-witted construction site environment relatively poor, ambient temperature is higher, and the electronic components in the converter uses more, and in order to guarantee its security, need cool off the converter, and the converter is established in the frequency conversion cabinet constantly, consequently needs to reduce the temperature in the frequency conversion cabinet. The Chinese patent with the publication number of CN217721824U discloses a cooling device for a frequency converter of a shield machine, which comprises a cooler, an air inlet coil, a moisture absorber and an exhaust fan, wherein cooling liquid is filled in the cooler, a pipe body of the air inlet coil is arranged in the cooler, the moisture absorber is arranged between the cooler and a frequency conversion cabinet, an air inlet pipe of the moisture absorber is communicated with an air outlet end of the air inlet coil, and the exhaust fan is arranged on the cabinet body of the frequency conversion cabinet, and an air inlet end of the exhaust fan is communicated with an air outlet end of the moisture absorber. The cooling device is characterized in that the cooling device is used for cooling air flow entering the frequency conversion cabinet and dehumidifying the cooled air flow through the moisture absorber, and then the dry and cold air flow can be sent to the frequency converter in the frequency conversion cabinet through the exhaust fan to cool the frequency converter in the cabinet, and the normal operation of the frequency converter can be guaranteed. Disclosure of Invention The utility model aims to provide a circulating cooling device of a shield machine frequency converter, which aims to solve the problems that in the prior art, when the shield machine frequency converter is cooled, a cooling fan is usually adopted to cool the interior of a frequency conversion cabinet, and in places with higher underground temperature, the air cooling effect is poor, so that the cooling effect is poor, and the normal operation of the frequency converter is easily influenced. The circulating cooling device of the shield machine frequency converter comprises a fixed plate, wherein a mounting frame is fixed in the middle of the top of the fixed plate, a cooling mechanism is arranged at the top of the fixed plate, and a filtering and cleaning mechanism is arranged at the top of the mounting frame; The cooling mechanism comprises a cooling pipe which penetrates through and is fixed on one side of the mounting frame, a pump is fixed at the inlet end of the cooling pipe, a connecting pipe is fixed at the inlet end of the pump, a cooling box is fixed at the top of the fixing plate, a temperature guide plate is uniformly penetrated and fixed at the top of the cooling box, a temperature guide plate is fixed at the top of the temperature guide plate, and a semiconductor refrigerating block is fixed at the top of the temperature guide plate. Preferably, the cooling mechanism further comprises a mounting frame fixed on the inner side wall of the mounting frame, and a heat dissipation fan is fixed on the top of the mounting frame. Preferably, the outlet end of the cooling pipe penetrates and is fixed on one side of the inner cavity of the cooling box, and the connecting pipe penetrates and is fixed on one side of the inner cavity of the cooling box, so that cooling liquid can be circulated conveniently. Preferably, the top limit portion of cooler bin is fixed with the injection pipe, just the internal connection of injection pipe has the sealing plug, conveniently pours into the coolant liquid. Preferably, the heat dissipation fan is located at the top of the cooling pipe, the cooling pipe is S-shaped, a flow path of cooling liquid is increased, and a contact area with air is increased. Preferably, the filtering and cleaning mechanism comprises a filter screen fixed on the top of the installation frame through bolts, concave plates are fixed on the tops of two sides of the installation frame, sliding rods are symmetrically fixed on the tops of opposite sides of the concave plates, sliding blocks are arranged on the outer sides of the sliding rods in a sliding mode, moving plates are fixed on the opposite sides of the sliding blocks, cleaning brushes are fixed on the bottoms of the moving plates through bolts, a connecting seat is fixed in the middle of one side of each moving plate, a driving motor is fixed on