Water-cooling brake resistor system

Abstract

The utility model discloses a water-cooling brake resistor system, which relates to the technical field of brake resistors and comprises a mounting container, a resistor module and a water-cooling module, and the resistor module comprises a plurality of resistor monomers. According to the utility model, through the cooperative arrangement of the water cooling module, cooling water can be provided for the interior of the installation container, so that water cooling can be carried out on the resistor module, and the service life of the resistor module is prolonged; a winding wheel is driven to rotate through a control rotating shaft, a first bevel gear, a second bevel gear and a driving rotating shaft, and the winding wheel rotates to drive a moving disc and an annular cleaning brush to horizontally move through a pull rope and an extrusion spring, so that the outer surface of a heat exchange tube can be cleaned, and the heat dissipation effect and the service life of a resistor monomer are ensured; workers do not need to frequently open the installation container, and operation is easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of braking resistance, especially relates to a water -cooled braking resistance system. BACKGROUND

[0002] Braking resistance is a kind of corrugated resistance, mainly used in the mechanical system of frequency converter control motor fast parking, help motor to convert the regenerative electric energy generated by fast parking into heat energy;Water-cooled braking resistance is a kind of resistance that reduces resistance temperature through water cooling mode, thereby enhancing power, it is mainly used in the occasion needing high power braking, such as crane and traction system etc.

[0003] The patent with the publication number CN219418628U in the prior art discloses an ultra-large power water-cooled braking resistor, including installation container, being configured as hollow structure;Through the resistor monomer adopts the heat conduction type resistor structure, has the advantages such as single body power is big, small, easy to realize modular design, also has the advantage that the heat dissipation efficiency is high, then again the water cooling unit is carried out water cooling cooling, can realize the heat that the resistor monomer emits quickly, effectively removes, ensures that the resistor monomer can continuously, long time normal work, but in the use process, the external of resistor monomer is prone to scale phenomenon due to water quality etc., long time can influence the heat dissipation effect and service life of resistor monomer, lead to the need of staff to open installation container and clean maintenance frequently, it is more cumbersome time-consuming, inconvenient to use, for this purpose, the utility model discloses a water-cooled braking resistance system to meet people's demand. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a water-cooled braking resistance system to solve the problem of inconvenient use of the resistor monomer in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a water-cooled braking resistance system, including installation container, resistance module and water cooling module, the resistance module includes a plurality of resistor monomers, the resistor monomer is composed of heat exchange pipe, resistance core, terminal and mounting flange, a plurality of mounting holes are uniformly arranged in the end of the installation container, a plurality of heat exchange pipes are fixedly arranged in the mounting holes, the water cooling module includes water inlet pipe and water outlet pipe, the water inlet pipe and the water outlet pipe are fixedly arranged on the installation container, the other end of the installation container is detachably provided with a sealing end cover matched, the sealing end cover is provided with a cleaning mechanism for cleaning the dirt on the heat exchange pipe;

[0006] The cleaning mechanism comprises two horizontal guide rods fixedly installed on the side of the sealing end cover, a moving disc is sleeved on the two horizontal guide rods and slides thereon, a plurality of annular cleaning brushes are uniformly connected on the circumferential side of the moving disc, the plurality of annular cleaning brushes are respectively adapted to be sleeved on the plurality of heat exchange pipes, and a control assembly for controlling the left-right movement of the moving disc is installed on the sealing end cover.

[0007] Preferably, the control assembly comprises two installation plates fixedly installed on the side of the sealing end cover, a driving rotating shaft is rotatably installed on the mutually close sides of the two installation plates, two winding wheels are fixedly sleeved on the driving rotating shaft, two pull ropes are wound and installed on the two winding wheels, the ends of the two pull ropes are fixedly installed on the side of the moving disc, a plurality of extrusion springs are fixedly installed on the mutually close sides of the moving disc and the sealing end cover, a control rotating hole is formed in the side of the sealing end cover, a control rotating shaft is rotatably installed in the control rotating hole, one end of the control rotating shaft is connected with a transmission unit for synchronously rotating the driving rotating shaft, and an L-shaped hand crank is fixedly installed on the other end of the control rotating shaft.

[0008] Preferably, the transmission unit comprises a first bevel gear fixedly installed on the end of the control rotating shaft, and a second bevel gear meshing with the first bevel gear is fixedly sleeved on the driving rotating shaft.

[0009] Preferably, two sealing rings are fixedly sleeved on the control rotating shaft, and the two sealing rings respectively abut the two sides of the sealing end cover away from each other.

[0010] Preferably, a plurality of connecting rods are fixedly installed on the circumferential side of the moving disc, the ends of the plurality of connecting rods are fixedly installed with hollow mounting seats, the plurality of hollow mounting seats are slidably installed with mounting blocks, the plurality of mounting blocks are fixedly installed on the outer circumferential side of the plurality of annular cleaning brushes, and a fixing unit for fixing the mounting blocks is installed on the hollow mounting seat.

[0011] Preferably, the fixing unit comprises a fixed insertion rod, a sliding hole is formed in the side of the hollow mounting seat, the fixed insertion rod is slidably installed in the sliding hole, a fixing hole is formed in the side of the mounting block, one end of the fixed insertion rod extends into the fixing hole, the other end of the fixed insertion rod is fixedly installed with a handle block, and an elastic reset element is installed on the handle block.

[0012] Preferably, the elastic reset element comprises a reset tension spring, and the two ends of the reset tension spring are fixedly installed on the sides of the hollow mounting seat and the handle block.

[0013] In summary, the technical effects and advantages of the utility model are as follows:

[0014] 1. The utility model discloses a reasonable structure, through the cooperation setting of water cooling module, can provide cooling water to the installation container, and then can carry out water cooling to resistance module, prolongs the service life of resistance module, through the cooperation setting of cleaning mechanism, when rotating L shape hand shake, will drive the winding wheel rotation through control pivot, first bevel gear, second bevel gear and drive pivot, and the winding wheel rotation will drive the moving disc and annular cleaning brush horizontal movement through the pull rope and extrusion spring, and then can clean the outer surface of heat exchange pipe, guarantee the heat dissipation effect of resistor monomer, further improve the service life of resistor monomer, and no longer need staff to open the installation container frequently, simple operation, convenient to use,

[0015] 2. The utility model discloses a when pulling handle piece, will drive fixed insertion rod to move out fixed hole, and will release installation block, when releasing handle piece, under the elastic force of reset tension spring, will pull handle piece and drive fixed insertion rod and insert into fixed hole automatically reset, and then can fix installation block in hollow mounting seat all the time, to realize the purpose that can conveniently disassemble and replace annular cleaning brush, and the practicality is better. ACCREDITED DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0017] Figure 1 It is a first perspective partial cutaway structure schematic drawing of the utility model discloses a water cooling brake resistance system;

[0018] Figure 2 It is a second perspective partial cutaway structure schematic drawing of the utility model discloses a water cooling brake resistance system;

[0019] Figure 3 It is the enlarged stereoscopic structure schematic drawing of the cleaning mechanism in the utility model;

[0020] Figure 4 It is the partial enlarged structure schematic drawing of the connection of drive pivot and control pivot in the utility model;

[0021] Figure 5 It is the partial enlarged structure schematic drawing of the connection of moving disc and annular cleaning brush in the utility model;

[0022] Figure 6 It is the enlarged stereoscopic structure schematic drawing of resistor monomer in the utility model.

[0023] In the diagram: 1. Mounting container; 2. Heat exchanger tube; 3. Resistance core; 4. Terminal block; 5. Sealing end cap; 6. Horizontal guide rod; 7. Moving disc; 8. Connecting rod; 9. Annular cleaning brush; 10. Mounting plate; 11. Drive shaft; 12. Rewinding wheel; 13. Pull rope; 14. Compression spring; 15. Control shaft; 16. L-shaped hand crank; 17. First bevel gear; 18. Second bevel gear; 19. Hollow mounting base; 20. Mounting block; 21. Fixing rod; 22. Handle block; 23. Reset spring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example: Reference Figures 1-6 The water-cooled braking resistor system shown includes a mounting container 1, a resistor module, and a water-cooling module. The resistor module includes multiple resistor units, and each resistor unit is composed of a heat exchange tube 2, a resistor core 3, a terminal block 4, and a mounting flange (e.g., Figure 6 As shown, the heat exchange tube 2 is filled with thermally conductive filler. It should be noted that the heat exchange tube 2, the resistance core 3, the terminal block 4, and the mounting flange can be connected using existing encapsulation technology, which will not be described in detail here. Multiple mounting holes are evenly provided at the end of the mounting container 1, and multiple heat exchange tubes 2 are fixed in the multiple mounting holes respectively. The water-cooling module includes an inlet pipe and an outlet pipe, both of which are fixed on the mounting container 1. A matching sealing end cap 5 is detachably installed at the other end of the mounting container 1 by multiple bolts. The sealing end cap 5 is equipped with a cleaning mechanism for cleaning the dirt on the heat exchange tube 2. With the cooperation of the water-cooling module, cooling water can be supplied to the mounting container 1, thereby cooling the resistance module and extending its service life.

[0026] like Figures 1 to 4As shown, the cleaning mechanism comprises two horizontal guide rods 6 fixedly installed on the side of the sealing end cover 5, a moving disc 7 is sleeved and slid on the two horizontal guide rods 6, a plurality of annular cleaning brushes 9 are uniformly connected on the circumferential side of the moving disc 7, the plurality of annular cleaning brushes 9 are respectively and adaptively sleeved on the plurality of heat exchange pipes 2, a control assembly for controlling the left and right movement of the moving disc 7 is installed on the sealing end cover 5, the control assembly comprises two installation plates 10 fixedly installed on the side of the sealing end cover 5, a drive shaft 11 is rotatably installed on the mutually close sides of the two installation plates 10, two winding wheels 12 are fixedly sleeved on the drive shaft 11, two pull ropes 13 are wound and installed on the two winding wheels 12, the ends of the two pull ropes 13 are fixedly installed on the side of the moving disc 7, a plurality of extrusion springs 14 are fixedly installed on the mutually close sides of the moving disc 7 and the sealing end cover 5, a control rotating hole is formed on the side of the sealing end cover 5, a control shaft 15 is rotatably installed in the control rotating hole, one end of the control shaft 15 is connected with a transmission unit for synchronously rotating the drive shaft 11, and an L-shaped hand crank 16 is fixedly installed on the other end of the control shaft 15.

[0027] By the above structure, when the L-shaped hand crank 16 is rotated, the control shaft 15 is driven to rotate, the control shaft 15 is driven to rotate through the transmission unit to drive the drive shaft 11 to synchronously rotate, the drive shaft 11 is driven to rotate to drive the winding wheel 12 to rotate, when the winding wheel 12 rotates to wind the pull rope 13, the moving disc 7 and the annular cleaning brush 9 are pulled to move horizontally towards the sealing end cover 5 through the pull rope 13, when the winding wheel 12 rotates to loosen the pull rope 13, the moving disc 7 and the annular cleaning brush 9 are extruded and pushed to move horizontally away from the sealing end cover 5 under the elastic force of the extrusion spring 14, thereby achieving the purpose of automatically cleaning the outer surface of the heat exchange pipe 2, ensuring the heat dissipation effect of the resistor unit, further improving the service life of the resistor unit, and no longer needing the staff to frequently open the installation container 1, which is simple in operation and convenient to use.

[0028] As shown in the figure, Figure 4 The transmission unit comprises a first bevel gear 17 fixedly installed on the end of the control shaft 15, a second bevel gear 18 engaged with the first bevel gear 17 is fixedly sleeved on the drive shaft 11, it should be noted that, in order to avoid the influence of scale deposition on transmission, a protective box can be installed on the side of the sealing end cover 5, and the first bevel gear 17 and the second bevel gear 18 are arranged in the protective box to protect them. When the control shaft 15 rotates, the first bevel gear 17 is driven to rotate, the first bevel gear 17 is driven to rotate to drive the second bevel gear 18 to rotate, thereby driving the drive shaft 11 to synchronously rotate, which plays a role in transmission.

[0029] In the embodiment, the control rotating shaft 15 is fixedly sleeved with two sealing rings, and the two sealing rings are respectively attached to the two sides of the sealing end cover 5 away from each other. The sealing rings can keep the control rotating shaft 15 and the sealing end cover 5 in a sealed state, so as to avoid water in the installation container 1 from leaking out of the control rotating hole.

[0030] As shown in Figure 3 and Figure 5 , a plurality of connecting rods 8 are uniformly fixedly installed on the circumferential side of the moving disc 7, the end portions of the plurality of connecting rods 8 are fixedly installed with hollow mounting seats 19, the plurality of hollow mounting seats 19 are slidably installed with mounting blocks 20, the plurality of mounting blocks 20 are respectively fixedly installed on the outer circumferential side of the plurality of annular cleaning brushes 9, the hollow mounting seats 19 are installed with fixing units for fixing the mounting blocks 20, the fixing units include fixed insertion rods 21, the side portions of the hollow mounting seats 19 are provided with sliding holes, the fixed insertion rods 21 are slidably installed in the sliding holes, the side portions of the mounting blocks 20 are provided with fixing holes, one end of the fixed insertion rods 21 extends into the fixing holes, the other end of the fixed insertion rods 21 is fixedly installed with handle blocks 22, the handle blocks 22 are installed with elastic return elements. When the handle blocks 22 are moved, the fixed insertion rods 21 will be moved into or out of the fixing holes, and then the mounting blocks 20 can be fixed in the hollow mounting seats 19 or loosened, when the mounting blocks 20 are in a loosened state, the annular cleaning brushes 9 can be directly taken off for replacement, so that the purpose of facilitating the disassembly and replacement of the annular cleaning brushes 9 is achieved, and the practicability is better.

[0031] As shown in Figure 5 , the elastic return elements include return tension springs 23, the two ends of the return tension springs 23 are respectively fixedly installed on the side portions of the hollow mounting seats 19 and the handle blocks 22. When the handle blocks 22 are loosened, under the elastic force of the return tension springs 23, the handle blocks 22 will be pulled to automatically reset, and then the fixed insertion rods 21 will be automatically inserted into the fixing holes to automatically fix the mounting blocks 20, and the fixed state can be maintained all the time, and the use is stable and reliable.

[0032] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A water-cooled braking resistor system, characterized by: The utility model provides a kind of water-cooled resistance module, including installation container (1), resistance module and water cooling module, the resistance module includes multiple resistor monomers, the resistor monomers are composed of heat exchange pipe (2), resistance core (3), wiring terminal (4) and installation flange, the end of the installation container (1) is evenly provided with multiple installation holes, multiple heat exchange pipes (2) are respectively fixed in multiple installation holes, the water cooling module includes water inlet pipe and water outlet pipe, the water inlet pipe and the water outlet pipe are fixed on the installation container (1), the other end of the installation container (1) is detachably installed with the sealing end cover (5) of compatible, the sealing end cover (5) is installed with the cleaning mechanism for cleaning dirt on the heat exchange pipe (2). The cleaning mechanism includes two horizontal guide rods (6) fixedly installed on the side of the sealing end cover (5), two horizontal guide rods (6) are commonly slidably sleeved with a moving disc (7), the circumference side of the moving disc (7) is evenly connected with multiple annular cleaning brushes (9), multiple annular cleaning brushes (9) are respectively adaptively sleeved on multiple heat exchange pipes (2), the sealing end cover (5) is installed with a control assembly for controlling the left and right movement of the moving disc (7).

2. A water-cooled braking resistor system as claimed in claim 1, characterized in that: The control assembly includes two mounting plates (10) fixedly installed on the side of the sealing end cover (5), two mounting plates (10) are commonly rotatably installed with a drive shaft (11) on the side close to each other, the drive shaft (11) is fixedly sleeved with two winding wheels (12), two winding wheels (12) are both wound with a pull rope (13), the ends of two pull ropes (13) are fixedly installed on the side of the moving disc (7), the moving disc (7) and the sealing end cover (5) are commonly fixedly installed with multiple compression springs (14) on the side close to each other, the side of the sealing end cover (5) is provided with a control rotating hole, the control rotating hole is rotatably installed with a control shaft (15), one end of the control shaft (15) is connected with a transmission unit for synchronously rotating the drive shaft (11), the other end of the control shaft (15) is fixedly installed with an L-shaped hand crank (16).

3. A water-cooled braking resistor system as claimed in claim 2, characterized in that: The transmission unit includes a first bevel gear (17) fixedly installed on the end of the control shaft (15), the drive shaft (11) is fixedly sleeved with a second bevel gear (18) engaged with the first bevel gear (17).

4. A water-cooled braking resistor system as claimed in claim 2, wherein: The control shaft (15) is fixedly sleeved with two sealing rings, two sealing rings are respectively fitted with two sides away from each other of the sealing end cover (5).

5. A water-cooled braking resistor system as claimed in claim 1, wherein: The circumference side of the moving disc (7) is evenly fixedly installed with multiple connecting rods (8), the ends of multiple connecting rods (8) are fixedly installed with hollow mounting seats (19), multiple hollow mounting seats (19) are slidably installed with mounting blocks (20) therein, multiple mounting blocks (20) are respectively fixedly installed on the outer circumferential side of multiple annular cleaning brushes (9), the hollow mounting seat (19) is installed with a fixing unit for fixing the mounting block (20).

6. A water-cooled braking resistor system as claimed in claim 5, characterized in that: The fixing unit comprises a fixing rod (21), a sliding hole is formed in the side of the hollow mounting base (19), the fixing rod (21) is slidingly installed in the sliding hole, a fixing hole is formed in the side of the mounting block (20), one end of the fixing rod (21) extends into the fixing hole, a handle block (22) is fixedly installed at the other end of the fixing rod (21), and an elastic reset element is installed on the handle block (22).

7. A water-cooled braking resistor system as claimed in claim 6, characterized in that: The elastic reset element comprises a reset tension spring (23), and the two ends of the reset tension spring (23) are fixedly installed on the sides of the hollow mounting base (19) and the handle block (22) respectively.

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