CN-224210606-U - Heating device for assembling sealing ring of drive axle brake

CN224210606UCN 224210606 UCN224210606 UCN 224210606UCN-224210606-U

Abstract

The utility model discloses a heating device for assembling a sealing ring of a brake of a drive axle, which comprises a steel frame, an oil groove with an open upper end, a mesh baffle plate, an electric cabinet, a temperature controller, a temperature sensing head and an electric heating pipe, wherein the oil groove is fixedly arranged on the steel frame, hydraulic oil is arranged in the oil groove, the mesh baffle plate is arranged in the oil groove, the electric heating pipe is arranged on the front side wall of the oil groove, the electric heating part of the electric heating pipe stretches into the lower part of the mesh baffle plate in the oil groove, the electric cabinet is arranged on the outer side surface of the front side wall of the oil groove, the temperature controller is arranged on the front side wall of the electric cabinet, and the temperature sensing head is arranged at the lower end of the front side wall of the oil groove and is connected with the temperature controller. According to the utility model, the electric heating pipe is arranged to heat hydraulic oil in the oil groove, the temperature of the oil groove is controlled to be always between the upper limit set temperature and the lower limit set temperature by the temperature controller, the sealing ring is placed on the mesh partition plate in the oil groove, the heated hydraulic oil is utilized to heat and soften the sealing ring, the sealing ring is easy to install after softening, the sealing ring is not cut off during compression, and the assembly efficiency of the sealing ring is greatly improved.

Inventors

GONG QUAN
LIU JIANMIN
XU WEIGUO
ZHANG XUNKAI
LI SHENG

Assignees

江西分宜驱动科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250604

Claims (6)

1. The heating device for assembling the sealing ring of the driving axle brake is characterized by comprising a steel frame, an oil groove with an open upper end, a mesh partition plate, an electric cabinet, a temperature controller, a temperature sensing head and an electric heating pipe, wherein hydraulic oil is arranged in the oil groove and fixedly installed on the steel frame, the mesh partition plate parallel to the bottom plate of the oil groove is arranged at the middle lower part of the oil groove and used for placing a workpiece to be heated, the electric heating pipe is installed on the front side wall of the oil groove, the electric heating part of the electric heating pipe stretches into the lower part of the mesh partition plate of the oil groove and used for heating hydraulic oil in the oil groove, the electric cabinet is arranged on the outer side surface of the front side wall of the oil groove, the temperature controller is arranged on the front side wall of the electric cabinet and used for controlling the internal temperature of the oil groove, the upper limit temperature value and the lower limit temperature value of the internal part of the oil groove can be set, the temperature sensing head is arranged at the lower end of the front side wall of the oil groove and stretches into the oil groove and used for timely monitoring the internal temperature of the oil groove and is connected with the temperature controller, the temperature sensing head transmits detected temperature data to the temperature controller, and the temperature controller regulates and controls the electric heating pipe according to the received temperature real-time data, and ensures that the internal temperature of the oil groove is always kept between the upper limit and lower limit set temperature.
2. The heating device for assembling the sealing ring of the drive axle brake of claim 1, wherein the bottom plate of the oil groove is provided with a through hole, a screw sleeve is arranged in the through hole, a magnetic screw plug is arranged at the lower port of the screw sleeve, and a combined gasket is arranged between the lower port of the screw sleeve and the magnetic screw plug for sealing.
3. The heating device for assembling the sealing ring of the brake of the drive axle, which is characterized in that the steel frame comprises upright posts, a middle frame and a top frame, wherein the upright posts are angle steel and are respectively arranged at four corners of the oil groove, a base plate is arranged at the lower end of the steel frame, the middle frame is welded into a square frame with an inward angle steel opening by four angle steel and is arranged at the middle inner side of the four upright posts, the oil groove is arranged on the middle frame, the peripheral outer side walls of the four sides of the middle frame are respectively fixedly connected with the inner side surfaces of the angle steel of the corresponding upright posts, the top frame is welded into a square frame with an outward angle steel opening by four angle steel and is sleeved at the upper end of the peripheral outer side walls of the oil groove, and the upper plane is flush with the upper end surface of the oil groove.
4. The heating device for assembling the sealing ring of the drive axle brake of claim 1, wherein the lower side surface of the mesh partition plate is provided with a bracket, the bracket is welded into a square frame with an inward angle steel opening by four angle steels, and the outer side wall of the square frame is fixedly connected with the inner side surface around the oil groove for strengthening the supporting strength of the mesh partition plate.
5. The heating device for assembling the sealing ring of the drive axle brake of claim 1, wherein the electric control box is further provided with a leakage protection switch on the front side surface thereof, an alternating current contactor and a control transformer are further arranged in the electric control box, and a main power supply, the leakage protection switch, the control transformer, the alternating current contactor and the electric heating pipe are sequentially connected.
6. The heating device for assembling the sealing ring of the drive axle brake is characterized in that first heat-insulating boards are arranged on the outer side walls around the oil groove and fixedly connected to the corresponding outer side faces of the four upright posts, and second heat-insulating boards are arranged on the upper end faces of the top frame and the oil groove.

Description

Heating device for assembling sealing ring of drive axle brake Technical Field The utility model relates to the technical field of engineering machinery drive axle production, in particular to a heating device for assembling a brake sealing ring of a drive axle. Background The sealing ring used on the wet brake of the engineering mechanical drive axle is made of nitrile rubber and fluororubber, has certain requirements on hardness, and has higher hardness at low temperature. The sealing ring is sleeved in the sealing groove of the outer circle of the piston, and when the sealing ring is integrally installed in the cylinder body, the sealing ring has high hardness and is difficult to compress and is easy to cut when pressed in. However, the sealing ring is easy to compress and is not damaged after being heated and softened. This patent aim at provides a constant temperature heating device for sealing washer, makes the sealing washer soften the back and assembles easily, by the cutting ring when preventing the compression. Disclosure of utility model In order to solve the problem that the sealing ring for the wet brake is easy to be cut during assembly due to higher hardness, the utility model provides a heating device for assembling the sealing ring of the drive axle brake, which heats hydraulic oil in an oil groove by arranging an electric heating pipe, the temperature controller is adopted to control the temperature of the heating oil groove to be always between the upper limit setting temperature and the lower limit setting temperature, the sealing ring is placed on the mesh partition plate in the oil groove, heated hydraulic oil is utilized to heat and soften the sealing ring, and the sealing ring is easy to install after softening and cannot be cut out during compression. In order to achieve the above purpose, the utility model provides a heating device for assembling a sealing ring of a brake of a drive axle, which comprises a steel frame, an oil groove with an open upper end, a mesh partition plate, an electric cabinet, a temperature controller, a temperature sensing head and an electric heating pipe, wherein the oil groove is fixedly arranged on the steel frame, hydraulic oil is arranged in the oil groove, the mesh partition plate parallel to an oil groove bottom plate is arranged at the middle lower part of the oil groove and is used for placing a workpiece to be heated, the electric heating pipe is arranged on the front side wall of the oil groove, the electric heating part of the electric heating pipe stretches into the lower part of the mesh partition plate in the oil groove and is used for heating hydraulic oil in the oil groove, the electric cabinet is arranged on the outer side surface of the front side wall of the oil groove, the temperature controller is arranged on the front side wall of the electric cabinet and is used for controlling the internal temperature of the oil groove, the upper limit temperature value and the lower limit temperature value of the internal of the oil groove can be set, the temperature sensing head is arranged at the lower end of the front side wall of the oil groove and stretches into the oil groove and is used for real-time monitoring the internal temperature of the oil groove and is connected with the temperature controller, the temperature sensing head transmits detected temperature data to the temperature controller, the temperature controller regulates and controls the electric heating pipe according to the received temperature real-time data, and the temperature control to ensure that the internal temperature of the oil groove is always kept between the upper limit and lower limit setting temperature. Further, a through hole is arranged on the bottom plate of the oil groove, a screw sleeve is arranged in the through hole, a magnetic screw plug is arranged at the lower port of the screw sleeve, and a combined gasket is further arranged between the lower port of the screw sleeve and the magnetic screw plug and used for sealing. The screw sleeve is used for replacing hydraulic oil, the hydraulic oil is replaced once every 3 months, and the hydraulic oil in the oil groove can be released only by disassembling the magnetic screw plug and the combined gasket during replacement. Further, the steelframe includes stand, intermediate frame and top frame, the stand adopts the angle steel, is equipped with four, locates the four corners of oil groove respectively, and the lower extreme is equipped with the backing plate, intermediate frame is welded into angle steel opening square frame inwards by four angle steel, locates four stand middle inboards, the oil groove is installed on intermediate frame, lateral wall all around respectively with corresponding stand angle steel medial surface fixed connection, top frame is welded into angle steel opening square frame outwards by four angle steel, the cover is located the oil groove lateral wall upper end all around, upper pla