CN213270797U

CN213270797U - Truck water-circulating water-cooling brake drum with water cavity

Info

Publication number: CN213270797U
Application number: CN202021940924.7U
Authority: CN
Inventors: 李云宝
Original assignee: Yuxi Yunqing Trading Co ltd
Current assignee: Yuxi Yunqinghang Technology Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-25
Anticipated expiration: 2030-09-08

Abstract

The utility model relates to a be used for freight train brake hydrologic cycle water charging system, especially freight train from taking water cavity internal water circulation water cooling brake drum, high temperature heat dissipation problem when solving the braking of freight train brake drum. The brake drum is positioned in an inner hub of a truck, the outer hubs are symmetrically arranged on the outer side of the inner hub, a coaxial circumferential surface is arranged on the circumferential surface of the outer side of the brake drum to form a water cavity, and two water outlet holes are reserved; and a water exchange device is fixed on the non-driving shaft positioned in the center of the outer hub, and the water exchange device consists of an outer sleeve, an inner sleeve, an external thread communicating pipe, an internal thread water nozzle, an external thread water nozzle, a fixed rod and two bearings. A water cavity is formed in the brake drum in a hollow mode, so that water circulation cooling is achieved through the water exchange device, and water waste is caused.

Description

Truck water-circulating water-cooling brake drum with water cavity

Technical Field

The utility model relates to a be used for freight train brake hydrologic cycle water charging system, especially freight train from taking water intracavity circulating water cooling brake drum.

Background

The highway is mainly characterized in that the slope accounts for a large proportion, and the high-speed ratio is high in hilly areas with large gradient, more curves, long distance and continuous long downhill due to the influence of factors such as terrain, landform and geological conditions in Yunnan, Guizhou and Sichuan provinces in southwest areas of China. The problems that a retarder is overheated easily occurring on a long downhill road section of a highway in a southwest mountain area and the braking performance is reduced are solved, and overheating is accompanied by high temperature to cause the tire to generate heat and fire, so that the whole vehicle is finally self-ignited.

Most freight train adopts to be that brake block and brake drum cooperation get up and brake, is furnished with the louvre on the wheel hub and dispels the heat, and current meeting installs the trickle case additional by oneself and sprays the cooling to tire wheel hub, can lead to the road surface to leave a large amount of water like this, has the potential safety hazard to other vehicles, and the water tank adds water before the downhill path at every turn simultaneously, and the water of spraying the cooling can not be retrieved and directly just has discharged away, also can increase driving cost like this. The traffic accidents caused by high brake temperature are many every year on a long downhill road, the existing brake water spraying system is characterized in that water is sprayed on a brake drum to cool, but the water flows to a road, the heat dissipation effect is not ideal, the road surface is wet and slippery when a plurality of vehicles exist, great potential safety hazards are caused to the vehicles running on the road, and meanwhile, the road surface is damaged.

Disclosure of Invention

In order to overcome prior art's above-mentioned shortcoming, the utility model provides a from the water realization circulation of the brake drum of taking the water cavity in through the water tank reduces brake block and brake drum temperature to control long downhill path process, the high temperature that produces when brake drum and brake block braking cools down, thereby it is higher to avoid the extravagant security of direct injection tire cooling reduction water simultaneously, and use cost is cheap freight train is from taking water cavity circulation water cooling brake drum.

The utility model provides a technical scheme that its technical problem adopted is: the truck water circulating water cooling brake drum with the water cavity comprises a brake drum, wherein the brake drum is positioned on the inner side of an inner hub of a truck, the outer side of the inner hub is symmetrically provided with outer hubs, a coaxial circumferential surface is arranged on the circumferential surface of the outer side of the brake drum to form a water cavity, and two water inlet and outlet holes are reserved; a water exchange device is fixed on a driving shaft or a non-driving shaft positioned in the center of the outer hub, and the water exchange device consists of an outer sleeve, a sealing cover of the outer sleeve, an inner shaft sleeve, a connecting water pipe with threads at two ends, an internal thread water nozzle, an external thread water nozzle, two inner shaft sleeve covers, sealing rings of two inner shaft sleeves, inner snap springs of two outer sleeves, a fixed threaded rod, two bearings and three water sealing rings;

the detachable sealing cover is arranged at one end of the right side of the outer sleeve, the middle and the left end of the outer sleeve are respectively provided with a bearing, water sealing rings are arranged on two sides of the middle bearing, an inner snap spring is arranged on the right side of the water sealing ring on the rightmost side of the outer sleeve, the size of the water sealing ring is the same as that of the bearing, the same water sealing ring is arranged on the inner side of the bearing at the left end of the outer sleeve, an inner snap spring is arranged outside the bearing at the left side of the outer sleeve, a large space is formed between the middle bearing and the water sealing ring and the sealing cover, the two water sealing rings of the bearing directly form a. The outer sleeve wall is provided with a water nozzle corresponding to two separated spaces of the bearing respectively, one water nozzle is connected with a water inlet hole of a water cavity of the brake drum through a ventilation and heat dissipation hole of the hub, and the other water nozzle is also connected with a water outlet hole reserved in the brake drum through a pipeline.

The inner shaft sleeve penetrates through the water seal ring and a central circular hole of the bearing, the length of the inner shaft sleeve is longer than the distance between the two bearing water seals and shorter than that of the outer sleeve, and the outer sleeve sealing cover, the middle bearing and the two-hole inner shaft sleeve cover form a large space; two ends of the inner shaft sleeve are respectively provided with an inner shaft sleeve cover, wherein two holes are designed on one inner shaft sleeve cover, one hole is a central position hole, and the other hole is a threaded hole; the other inner shaft sleeve cover is provided with two round holes and a threaded hole, the positions of the three holes are all on the same straight line, one round hole is positioned in the center position and is convenient to pass through a fixing screw for installation and fixation, the other round hole is positioned at the edge, the threaded hole of the three-hole inner shaft sleeve cover is positioned at the edge and is convenient to install an external thread water nozzle, the central position holes of the two inner shaft sleeve covers are both unthreaded, the two-hole inner shaft sleeve covers are assembled at the right end of the inner shaft sleeve, the three-hole inner shaft sleeve cover is assembled at the left end of the inner shaft sleeve, and the outer sleeve sealing cover, the middle bearing and the; the two ends of the connecting water pipe are provided with external threads, one end of the connecting water pipe is screwed on the threaded holes of the shaft sleeve covers in the two holes, the other end of the connecting water pipe penetrates through the edge round holes of the shaft sleeve covers in the three holes, and the internal thread water nozzle is screwed on the threads of the connecting water pipe.

Be equipped with the sealing washer between interior axle sleeve and the interior axle sleeve lid, four water holes on the interior axle sleeve and the left space intercommunication of outer tube form a water cavity, including the axle sleeve cover facial make-up outside screw thread water injection well choke joint just can connect outer tube left side water cavity, and the internal thread water injection well choke passes through the connecting pipe connection in the axle sleeve at the back rightmost water cavity, install the connecting pipe on external thread water injection well choke and the internal thread water injection well choke, a connecting pipe inserts freight train water tank circulating water pump, in another connecting pipe flows back to the freight train water tank.

According to a more preferable technical scheme, a sealing ring is arranged between the inner shaft sleeve and the inner shaft sleeve cover, the inner shaft sleeve cover is provided with a boss, and the outer diameter of the boss is consistent with the inner diameter of the inner shaft sleeve. The setting of boss has guaranteed that interior axle sleeve cover can accurately install in the axle sleeve and can not take place the skew, and the location is more accurate, and the sealed effect of cooperation sealing washer is better simultaneously. The truck water internal circulation system is internally provided with the radiator, the connecting pipe can firstly flow back to the truck water tank after being radiated by the radiator, so that the water is fully cooled in the circulation process, the temperature of the later-stage circulating water is lower, and the brake drum is better cooled.

According to the better technical scheme, a plurality of triangular support columns are arranged in the water cavity of the brake drum. The water cavity is effectively supported, and the strength of the brake drum is guaranteed.

The invention has the following beneficial effects: the truck wheel well solves the problem of water exchange in the high-speed running process, thereby realizing water circulation cooling of the inner wheel drum and the brake disc and reducing the waste of water. For mixed roads such as national roads in the southwest region, a third-party accident caused by brake water released by a road truck is avoided. The brake drum is provided with a water cavity, and water circulates in the water cavity to cool the high temperature formed when the brake drum brakes, so that accidents such as spontaneous combustion and the like caused by the high temperature are avoided. The purpose of heat dissipation is achieved through water circulation, great economic benefits can be brought to users, and driving safety is brought.

Drawings

Fig. 1 is a cross-sectional view of the brake drum of the present invention.

Fig. 2 is a schematic view of the installation of the non-driving shaft of the present invention.

Fig. 3 is a schematic structural diagram of the water exchange device of the present invention.

Fig. 4 is the splitting schematic diagram of the two inner shaft sleeves of the present invention.

Fig. 5 is a schematic view of the driving shaft according to the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

In which like parts are designated by like reference numerals. It is noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.

Example 1

As shown in fig. 1 and 2, a truck water cavity water circulation water cooling brake drum comprises a brake drum 1, wherein the brake drum 1 is positioned in an inner hub 2 of the truck, outer hubs 3 are symmetrically arranged on the outer side of the inner hub 2, a coaxial circumferential surface is arranged on the circumferential surface on the outer side of the brake drum 1 to form a water cavity 101, and two water inlet and outlet holes 102 are reserved; a water exchange device is fixed on a non-driving shaft 10 positioned in the center of the outer hub 3, and the water exchange device consists of an outer sleeve 4, a sealing cover 41 of the outer sleeve, an inner shaft sleeve 5, a connecting water pipe 6 with threads at two ends, an inner thread water nozzle 7, an outer thread water nozzle 8, two inner shaft sleeve covers 9, sealing rings of two inner shaft sleeves, inner snap springs of two outer sleeves, a fixed threaded rod 11, two bearings 12 and three water seal rings 13;

as shown in fig. 3, a detachable sealing cover 41 is arranged at one end of the right side of an outer sleeve 4, a bearing 12 is respectively arranged at the middle end and the left end, water sealing rings 13 are arranged at two sides of the middle bearing 12, an inner snap spring is arranged at the right side of the rightmost water sealing ring 13, the size of the water sealing ring 13 is the same as that of the bearing 12, the same water sealing ring 13 is arranged at the inner side of the left end bearing 12, an inner snap spring is arranged outside the left side bearing 12, a large space is formed between the middle bearing 12 and the sealing cover 41, the water sealing rings 13 of the two bearings 12 directly form a space, a pair of water nozzles are symmetrically arranged on the wall of the outer sleeve 4 corresponding to the two separated spaces of the bearing 12, and the. The water nozzles 14 are respectively arranged in two separated spaces of the outer sleeve 4 wall corresponding to the bearing 12, one water nozzle 14 is connected with a water inlet hole of a water cavity of the brake drum through a ventilation and heat dissipation hole of the hub, and the other water nozzle is also connected with a water outlet hole reserved in the brake drum through a pipeline.

As shown in fig. 4 (the fixed threaded rod 11 is shown outside in the figure and is not mounted), four water holes 51 are symmetrically arranged on the wall of the inner shaft sleeve 5 at the same position, the positions of the water holes 51 correspond to the left space formed by the two bearings 12 and the outer sleeve 4, the inner shaft sleeve 5 passes through the water seal ring 13 and the central circular hole of the bearing 12, the length of the inner shaft sleeve is longer than the distance between the two bearing water seals and shorter than the outer sleeve, and the outer sleeve seal cover 41, the middle bearing 12 and the two-hole inner shaft sleeve cover 9 form a large space; two ends of the inner shaft sleeve 5 are respectively provided with an inner shaft sleeve cover 9, wherein two holes are designed on one inner shaft sleeve cover 9, one hole is a central position hole, and the other hole is a threaded hole 91; the other inner shaft sleeve cover 9 is provided with two round holes and a threaded hole 91, the positions of the three holes are all on the same straight line, one round hole is positioned at the center position and is convenient for a fixed threaded rod to pass through for installation and fixation, the other round hole is positioned at the edge, the threaded hole of the inner shaft sleeve cover with three holes is positioned at the edge and is convenient for installing the external thread water nozzle 8, the holes at the center positions of the two inner shaft sleeve covers 9 are both unthreaded, the inner shaft sleeve covers 9 with two holes are assembled at the right end of the inner shaft sleeve 5, the inner shaft sleeve cover 9 with three holes is assembled at the left side of the inner shaft sleeve 5, and the outer sleeve sealing cover 41, the; connect 6 both ends of water pipe and all set up the external screw thread, connect 6 one end of water pipe and twist on the screw hole of axle sleeve cover in two holes, the marginal round hole of axle sleeve cover inner shaft end cover in three holes is passed to one end in addition, and the internal thread water injection well choke is twisted on connecting water pipe screw thread, one end and connecting pipe fixed connection in addition.

The sealing ring is arranged between the inner shaft sleeve and the inner shaft sleeve cover, the shaft sleeve forms an airtight water cavity through four water holes in the shaft sleeve and the left space of the outer sleeve, the outer threaded water nozzle joint is arranged on the inner shaft sleeve cover and can be connected with the left water cavity of the outer sleeve, the inner threaded water nozzle is connected with the left water cavity at the back through a connecting water pipe in the shaft sleeve, the connecting pipes are arranged on the outer threaded water nozzle and the inner threaded water nozzle, one connecting pipe is connected into a circulating water pump of the truck water tank, and the other connecting pipe flows back into the truck water tank.

The implementation is a non-driving shaft mounting mode with a hollow interior: firstly, drilling two holes in a place with low stress on a non-driving shaft, so that a water inlet pipe and a water outlet pipe extending from a water tank of a truck are arranged in an axle, pre-assembling a water exchange device, enabling a three-hole fixing screw rod with a water nozzle to penetrate through a dust cover 15 at the end of the non-driving shaft 10 to extend into the non-driving shaft, wherein the non-driving shaft is hollow and the sleeve is stationary in the motion process of the truck, fixing the fixing screw rod of the exchange device by arranging a fixing support in the sleeve to be stationary so as to install the water inlet pipe and the water outlet pipe extending from the water tank of the truck, finally, connecting and fixing a sleeve of the exchange device with the dust cover, fixing the dust cover on a wheel core to synchronously rotate with a brake drum, and connecting the water inlet nozzle and the water outlet nozzle.

The truck starts to run, the non-driving shaft is fixed and cannot rotate, the hub naturally rotates, the inner sleeve is fixed in the non-driving shaft due to the action of the fixing rod, the inner support of the inner sleeve is fixed and cannot rotate, the water inlet and outlet pipes extending into the axle from the truck water tank are connected to the internal thread water nozzle and the external thread water nozzle of the inner sleeve cover, the outer sleeve synchronously rotates along with the dust cover and the hub, the outer sleeve cannot cause the inner sleeve to rotate due to the action of the bearing, the outer sleeve synchronously rotates with the hub, and the connecting water pipe on the outer sleeve synchronously rotates with the water outlet.

When the truck non-driving shaft brake drum generates heat during braking, and the brake drum needs to be radiated, water in a water tank can be forced to flow by a water pump of the truck, enters a left water sump of an outer sleeve through an external thread water nozzle on an outer end cover of the inner sleeve, then enters a water cavity of the brake drum from a water nozzle corresponding to the outer sleeve to realize cooling of the brake drum, then water flows back to a right water sump of the outer sleeve from another water nozzle of the brake drum under the action of water pressure, and then flows back to the water tank of the truck from an internal thread water nozzle on a connecting water pipe, so that water in the water cavity of the brake drum and water in the water tank flow and circulate to realize cooling of the brake drum.

And for the trailer without the driving shaft, an external fixed bracket and a water inlet and outlet pipe are not needed for installation, because the driving shaft is not arranged in the non-driving shaft and is hollow, the water inlet and outlet pipe can be arranged only by punching two water inlet and outlet holes with the diameter of 10 millimeters on a place with low stress on a bridge. The water inlet and outlet pipes are arranged in the axle, the exchange device is arranged in the middle of the dust cover to open, a hole slightly larger than the outer diameter of the exchange device is drilled in the middle of the dust cover of the axle head, and a fixing sleeve is arranged and installed. The fixing sleeve is fixed by electric welding. Two water holes are arranged on the fixed sleeve and are synchronous with the two water holes on the outer sleeve of the exchange device. The exchange device is installed in the fixed sleeve, the water nozzles are installed through two holes in the outer sleeve and two holes in the fixed sleeve which are synchronous, the water nozzles are connected with the fixed exchange device, and the water nozzles and the fixed screw part of the inner shaft sleeve are installed towards the direction of the axle sleeve to achieve the purpose of being built in.

Because the axle sleeve is fixed, the fixing screw rod arranged on the fixing frame for fixing the inner shaft sleeve can be used for fixing the inner shaft sleeve to be still so as to realize the installation and connection of the water inlet and outlet pipes, the two water nozzles on the outer sleeve are correspondingly connected with the two water nozzles on the brake drum with the water cavity through the ventilation and heat dissipation holes of the wheel hub, and the outer sleeve supplies water into the water cavity of the brake drum for heat dissipation and then flows out to the exchange device to flow back to the radiator for heat dissipation while synchronously rotating the wheels, and finally flows back to the water tank, so that the internal water recycling is realized. The water exchange device is mainly characterized in that two independent water cavities are designed to realize interconnection at the same time of static and rotation so as to realize water exchange, when the inner shaft sleeve is static, the water inlet and outlet pipes connected with the outside are supplied to a water nozzle of a rotating outer sleeve through the two independent water cavities to enter a brake drum with the water cavities and then flow back to the radiator for heat dissipation, and then the water tank is returned to, so that internal circulation heat dissipation is realized.

Example 2

The specific implementation manner is the same as that of example 1, except that: and a sealing ring is arranged between the inner shaft sleeve and the inner shaft sleeve cover, and a connecting pipe flowing back to the water tank of the truck is connected to the radiator. The connecting pipe can flow back to the freight train water tank after the radiator dispels the heat earlier, guarantees like this that water obtains fully cooling at the circulation in-process, and the temperature of later stage circulating water is lower, better cooling brake drum, reduces water overall stability, guarantees the cooling effect. A plurality of triangular support columns are arranged in the water cavity of the brake drum. The water cavity is effectively supported, and the strength of the brake drum is guaranteed.

The embodiment is a mounting mode of a driving shaft: as shown in fig. 5, the water exchange device is reversely installed (relative to the installation scheme of embodiment 1) on a driving shaft 16 of a truck, a sealing cover of an outer sleeve is tightly fixed at the center of the end head of the driving shaft, a fixed elastic bracket 17 is hung down from a truck carriage, a fixed rod of an inner sleeve cover is screwed on the fixed bracket, an internal thread water nozzle and an extension water pipe of the external thread water nozzle on the inner sleeve cover are connected back to a truck circulating water tank along the fixed bracket, and pressure circulation is provided by an original truck circulating water pump. To installing interior wheel hub and outer wheel hub in the drive shaft, inside and outside wheel hub all follows the drive shaft and rotates, needs the inner skleeve to dispose solitary fixed bolster like this and guarantees not rotating, so that with the erection joint water pipe, the outer tube that the drive shaft end central point put rotates along with wheel hub simultaneously, thereby guarantees that the connection water pipe on the outer sleeve rotates for the brake drum is synchronous, thereby guarantees that the connection water pipe on the outer sleeve is connected to two water injection well choke that the brake drum was reserved through wheel hub's ventilation louvre on, realizes the cooling of circulation heat dissipation water.

With the light weight and the large popularization and use of the vacuum tire, a closed water cavity can be formed on the surface of the brake drum by adding design on the premise of basically not changing the specification and the quality of the existing brake drum through a large amount of data investigation. The bearing is divided into two independent water bins by an outer sleeve and a hollow inner shaft sleeve which are matched with a water seal ring of the bearing, and the bearing and the water seal ring.

In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development efforts may be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.

Claims

1. The freight train is from taking water intracavity hydrologic cycle water cooling brake drum, including the brake drum, the brake drum is located the inboard of the interior hub of freight train, and interior hub outside symmetry sets up outer hub, its characterized in that: a coaxial circumferential surface is arranged on the circumferential surface of the outer side of the brake drum to form a water cavity, and two water inlet and outlet holes are reserved; a water exchange device is arranged on a driving shaft or a non-driving shaft positioned in the center of the outer hub, and consists of an outer sleeve, an inner shaft sleeve, a connecting water pipe with threads at two ends, an internal thread water nozzle, an external thread water nozzle, two inner shaft sleeve covers, sealing rings of two inner shaft sleeves, inner snap springs of two outer sleeves, a fixed threaded rod, two bearings and three water sealing rings;

a detachable sealing cover is arranged at the right end of the outer sleeve, a bearing is respectively arranged at the left end and the middle of the outer sleeve, water sealing rings are arranged on two sides of the middle bearing, an inner snap spring is arranged on the right side of the water sealing ring at the rightmost side, the size of the water sealing ring is the same as that of the bearing, the same water sealing ring is arranged on the right side of the bearing at the left end, an inner snap spring is arranged outside the bearing at the left side, the middle bearing and the sealing cover form a large space, the two bearings directly form a space, a water nozzle is respectively arranged at the position, corresponding to the two separated spaces of the bearing, of the outer sleeve wall, one water nozzle is connected with a water inlet and;

the inner shaft sleeve is provided with four water holes which are symmetrical at the same position, the positions of the water holes correspond to a small space formed by the two bearings and the outer sleeve, the inner shaft sleeve penetrates through the water seal ring and a central circular hole of the bearing, a space water cavity is formed on the right side, two ends of the inner shaft sleeve are respectively provided with an inner shaft sleeve cover, one inner shaft sleeve cover is provided with two holes, one hole is a central position hole, and the other hole is a threaded hole; the other inner shaft sleeve cover is provided with two round holes and a threaded hole, the positions of the three holes are all on the same straight line, one round hole is positioned in the center, the other round hole is positioned on the edge, the threaded hole of the inner shaft sleeve cover with three holes is positioned on the edge, the central position holes of the two inner shaft sleeve covers are both unthreaded, the inner shaft sleeve covers with two holes are assembled on the inner shaft sleeve on the right side, and the inner shaft sleeve cover with three holes is assembled on the left side of the inner shaft sleeve and positioned at the end of the outer sleeve; connect the water pipe both ends and all set up the external screw thread, connect water pipe one end and twist on the screw hole of axle housing cap in two holes, the round hole of axle housing cap in three holes is passed to one end in addition, and the internal thread water injection well choke is twisted on the screw thread of connecting the water pipe, and other one end and connecting pipe fixed connection install the connecting pipe on external thread water injection well choke and the internal thread water injection well choke, and a connecting pipe inserts freight train water tank circulating water pump, and a connecting pipe then flows back to in the freight train.

2. The truck water circulating water cooling brake drum with the water cavity as set forth in claim 1, characterized in that: and a sealing ring is arranged between the inner shaft sleeve and the inner shaft sleeve cover, and a connecting pipe flowing back to the water tank of the truck is connected to the radiator.

3. The truck self-contained water cavity water circulating water cooling brake drum as claimed in claim 1 or 2, characterized in that: and a plurality of triangular support columns are arranged in the water cavity of the brake drum.