Aluminum alloy gearbox casting

Abstract

The utility model relates to the technical field of gear boxes, and discloses an aluminum alloy gear box casting, a sealing shell is arranged right above a casting shell, flange edges are arranged on the outer wall of the side, close to the sealing shell, of the casting shell, two positioning grooves are formed in the outer walls of the two sides of the side, close to the two flange edges, of the casting shell, and the positioning grooves in the two flange edges correspond to each other. Arc-shaped plates are arranged on the outer walls, close to the two corresponding positioning grooves, of the casting shell and the sealing shell, a plurality of bolts are connected to the inner walls of the peripheries of the two arc-shaped plates in a threaded mode, and frosted blocks are arranged at the bottom ends of the bolts. Through the arrangement of the bolts and the arc-shaped plates, the arc-shaped plates are arranged on the periphery of the positioning groove by fitting the radian of the positioning groove, the bolts are uniformly arranged in the arc-shaped plates, the bottom ends of the bolts penetrate through the positioning groove, and the bottom ends of the bolts extend to the bearing in the positioning groove; the frosted block arranged at the bottom end of the bolt increases the friction force with the contact surface of the bearing, and the stability of the casting is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear box equipment, in particular to an aluminum alloy gear box casting. Background Art

[0002] Alloy gearboxes mostly refer to casting products made by casting alloy liquid. The alloy liquid can be adjusted as needed to improve some performance of the gearbox.

[0003] The application number is CN202321139845.X, which discloses a high-temperature resistant alloy gearbox casting, including a gearbox body, the gearbox body including a first outer box, a second outer box, a first inner box and a second inner box, the first outer box is fixedly connected to the second outer box, the first inner box is fixedly connected to the second inner box, the first inner box is fixedly connected to the first outer box, the second inner box is fixedly connected to the second outer box, and the first inner box is provided with a first liquid separation tank, a first liquid collection tank and a plurality of first liquid guide tanks on the outer side of the first inner box. The utility model can not only cool down the alloy gearbox, prevent the alloy gearbox from being overheated, and improve the use effect of the gearbox, but also avoid the generation of a gap between the first inner box and the second inner box, improve the sealing of the alloy gearbox, and facilitate the positioning of the first inner box and the second inner box, and improve the accuracy of the assembly of the alloy gearbox.

[0004] The above document discloses a high-temperature resistant alloy gearbox casting having the following defects: after the gear assembly is installed in the gearbox, when the device is in operation, the gear assembly will rotate at high speed in the box, and the structure does not provide a corresponding limit assembly for the gear assembly. The gear may detach from the box when running at high speed, thereby reducing the stability of the device.

[0005] It can be seen from this that the existing alloy gearbox castings have the function of enhancing the stable operation of gears, and it is necessary to improve the existing deficiencies and provide a function that can enhance the stable operation of gears. Utility Model Content

[0006] The utility model aims to provide an aluminum alloy gearbox casting to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses an aluminum alloy gearbox casting, comprising a casting body and a fixing assembly, wherein the fixing assembly is installed on the inner walls around the casting body, the casting body comprises a casting shell, a sealing shell is arranged directly above the casting shell, a flange edge is arranged on the outer wall on one side close to the casting shell and the sealing shell, two positioning grooves are arranged on the outer walls on both sides of the side close to the two flange edges, the positioning grooves on the two flange edges correspond to each other, an arc plate is arranged on the outer walls of the casting shell and the sealing shell close to the two corresponding positioning grooves, a plurality of bolts are threadedly connected on the inner walls around the two arc plates, and a frosting block is arranged on the bottom ends of the plurality of bolts. The purpose of such arrangement is that during the use of the gearbox casting, the casting shell and the sealing shell provide safety protection for the outside of the gear assembly. The structure can be fixedly installed on the ground through the bases connected on both sides of the bottom casting shell. The gear assembly is accommodated in the casting shell through the accommodating groove. The casting shell and the sealing shell are overlapped through the flange edge. The flange edge is fixedly connected around by bolts. The casting shell and the sealing shell are fixedly installed together. The two ends of the two gear assemblies are limited between the casting shell and the sealing shell through the two positioning grooves. The filters arranged on both sides of the bottom casting shell are convenient for the running gear assembly to emit Heat is discharged outwards, and the filters on both sides prevent external exhaust gas from entering the device. The filter is limited on all sides by the mounting ring, and the filter and the mounting ring are fixed to the casting shell by screws. This arrangement is convenient for replacing the filter. The arc plate is set up around the positioning groove to fit the curvature of the positioning groove. Several bolts are evenly arranged in the arc plate, and the bottom end of the bolt passes through the positioning groove. The bottom end of the bolt extends to the bearing in the positioning groove. The frosted block set at the bottom end of the bolt increases the friction with the bearing contact surface, so that the bearing on the gear assembly is effectively fixed in the casting body for operation, thereby improving the stability of the casting.

[0009] Furthermore, the grinding blocks of several of the bolts penetrate the casting shell and the sealing shell and extend to the inner walls of the two positioning grooves. The purpose of this arrangement is that during the use of the gearbox casting, the bottom end of the bolt penetrates the positioning groove, and the bottom end of the bolt extends to the bearing in the positioning groove, and the grinding block arranged at the bottom end of the bolt increases the friction with the contact surface of the bearing.

[0010] Furthermore, screws are threadedly connected to the inner wall around the top flange, and the bottom ends of the four screws extend to the inner wall of the bottom flange. The purpose of this arrangement is that during the use of the gearbox casting, the casting shell and the sealing shell are overlapped through the flange, and the flange is fixedly connected around by bolts, and the casting shell and the sealing shell are fixedly installed together.

[0011] Furthermore, bases are provided on the outer walls on both sides of the bottom of the casting shell, and receiving grooves are provided on the sides where the casting shell and the sealing shell are close to each other. The purpose of such arrangement is to receive the gear assembly in the casting shell through the receiving grooves during the use of the gearbox casting.

[0012] Furthermore, a filter screen and a mounting ring are provided on the outer walls of both sides of the casting shell, and the mounting ring is located on the outer walls around the filter screen. The purpose of such a setting is that during the use of the gearbox casting, the filter screens on both sides prevent external exhaust gas from entering the device, and the mounting ring limits the surroundings of the filter screen.

[0013] Furthermore, the filter is located between the casting shell and the mounting ring, and a group of screws are threadedly connected on the inner wall around the mounting ring, and the bottom ends of a group of screws pass through the filter and extend to the inner wall of the casting shell. The purpose of this arrangement is that during the use of the gearbox casting, the screws cooperate to fix the filter and the mounting ring on the casting shell, and this arrangement facilitates the replacement of the filter.

[0014] The utility model has the following beneficial effects:

[0015] (1) The utility model arranges bolts and an arc-shaped plate. The arc-shaped plate is arranged around the positioning groove to fit the curvature of the positioning groove. A plurality of bolts are evenly arranged in the arc-shaped plate. The bottom ends of the bolts penetrate the positioning groove. The bottom ends of the bolts extend to the bearing in the positioning groove. The frosted block arranged at the bottom end of the bolt increases the friction with the contact surface of the bearing, so that the bearing on the gear assembly is effectively fixed in the casting body for operation, thereby improving the stability of the casting.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the split structure of the casting body of the utility model;

[0020] Figure 3 This is a schematic diagram of the bottom structure of the main casting of the utility model;

[0021] Figure 4This is a schematic diagram of the side split structure of the utility model;

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] In the figure: 1. casting body; 100. screw; 101. casting shell; 102. base; 103. filter; 104. mounting ring; 105. flange edge; 106. receiving groove; 107. positioning groove; 108. sealing shell; 2. fixing assembly; 201. arc plate; 202. bolt; 203. frosting block. 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] See also Figure 1 - Figure 4As shown, the utility model is an aluminum alloy gearbox casting, comprising a casting body 1 and a fixing assembly 2, the fixing assembly 2 is mounted on the inner walls around the casting body 1, the casting body 1 comprises a casting shell 101, a sealing shell 108 is arranged directly above the casting shell 101, a flange edge 105 is arranged on the outer wall on one side where the casting shell 101 and the sealing shell 108 are close to each other, two positioning grooves 107 are arranged on the outer walls on both sides of the side where the two flange edges 105 are close to each other, the positioning grooves 107 on the two flange edges 105 correspond to each other, an arc plate 201 is arranged on the outer wall of the casting shell 101 and the sealing shell 108 close to the two corresponding positioning grooves 107, a plurality of bolts 202 are threadedly connected on the inner walls around the two arc plates 201, and a frosting block 203 is arranged on the bottom end of the plurality of bolts 202. The purpose of such arrangement is that during the use of the gearbox casting, the casting shell 101 and the sealing shell 108 provide safety protection for the outside of the gear assembly. The structure can be fixedly installed on the ground through the base 102 connected to both sides of the bottom casting shell 101. The gear assembly is accommodated in the casting shell 101 through the accommodating groove 106. The casting shell 101 and the sealing shell 108 are overlapped through the flange edge 105. The flange edge 105 is fixedly connected around by bolts 202. The casting shell 101 and the sealing shell 108 are fixedly installed together. The two ends of the two gear assemblies are limited between the casting shell 101 and the sealing shell 108 through the two positioning grooves 107. The filter screens 103 arranged on both sides of the bottom casting shell 101 facilitate the heat dissipation of the running gear assembly. The exhaust gas is discharged outwards, and the filter screens 103 on both sides prevent the external exhaust gas from entering the device. The filter screen 103 is limited around by the mounting ring 104, and the screws 100 cooperate to fix the filter screen 103 and the mounting ring 104 on the casting shell 101. This arrangement is convenient for replacing the filter screen 103. The arc plate 201 is set around the positioning groove 107 to fit the curvature of the positioning groove 107. A number of bolts 202 are evenly arranged in the arc plate 201. The bottom end of the bolt 202 passes through the positioning groove 107, and the bottom end of the bolt 202 extends to the bearing in the positioning groove 107. The frosting block 203 set at the bottom end of the bolt 202 increases the friction with the bearing contact surface, so that the bearing on the gear assembly is effectively fixed in the casting body 1 for operation, thereby improving the stability of the casting.

[0026] The grinding blocks 203 of several bolts 202 penetrate the casting shell 101 and the sealing shell 108 and extend to the inner walls of the two positioning grooves 107. The purpose of this arrangement is that during the use of the gearbox casting, the bottom end of the bolt 202 penetrates the positioning groove 107, and the bottom end of the bolt 202 extends to the bearing in the positioning groove 107, and the grinding block 203 arranged at the bottom end of the bolt 202 increases the friction with the contact surface of the bearing.

[0027] Screws 100 are threadedly connected to the inner wall around the top flange 105, and the bottom ends of the four screws 100 extend to the inner wall of the bottom flange 105. The purpose of this arrangement is that during the use of the gearbox casting, the casting shell 101 and the sealing shell 108 are overlapped through the flange 105, and the flange 105 is fixedly connected around by bolts 202, and the casting shell 101 and the sealing shell 108 are fixedly installed together.

[0028] The outer walls of both sides of the bottom of the casting shell 101 are provided with bases 102, and the sides of the casting shell 101 and the sealing shell 108 close to each other are provided with receiving grooves 106. The purpose of this arrangement is that during the use of the gearbox casting, the gear assembly is received in the casting shell 101 through the receiving grooves 106.

[0029] The outer walls of both sides of the casting shell 101 are provided with filter screens 103 and mounting rings 104, and the mounting rings 104 are located on the outer walls around the filter screen 103. The purpose of such arrangement is that during the use of the gearbox casting, the filter screens 103 on both sides prevent external exhaust gas from entering the device, and the mounting rings 104 limit the surrounding areas of the filter screen 103.

[0030] The filter screen 103 is located between the casting shell 101 and the mounting ring 104. A group of screws 100 are threadedly connected to the inner wall of the mounting ring 104. The bottom ends of the group of screws 100 penetrate the filter screen 103 and extend to the inner wall of the casting shell 101. The purpose of this arrangement is that during the use of the gearbox casting, the screws 100 cooperate to fix the filter screen 103 and the mounting ring 104 on the casting shell 101, and this arrangement facilitates the replacement of the filter screen 103.

[0031] When in use, during the use of the gearbox casting, the casting shell 101 and the sealing shell 108 provide safety protection for the outside of the gear assembly. The base 102 connected to both sides of the bottom casting shell 101 can be used to fix the structure on the ground. The gear assembly is accommodated in the casting shell 101 through the accommodating groove 106. The casting shell 101 and the sealing shell 108 are overlapped through the flange edge 105. The flange edge 105 is fixedly connected around by bolts 202. The casting shell 101 and the sealing shell 108 are fixedly installed together. The two ends of the two gear assemblies are limited between the casting shell 101 and the sealing shell 108 through the two positioning grooves 107. The filter screens 103 arranged on both sides of the bottom casting shell 101 facilitate the heat emitted by the running gear assembly to be discharged to the outside. The filter screen 103 on both sides prevents external exhaust gas from entering the device, and the installation ring 104 limits the filter screen 103 on all sides. The screws 100 cooperate to fix the filter screen 103 and the installation ring 104 on the casting shell 101. This arrangement is convenient for replacing the filter screen 103. The arc plate 201 is set up around the positioning groove 107 to fit the curvature of the positioning groove 107. A number of bolts 202 are evenly arranged in the arc plate 201. The bottom end of the bolt 202 passes through the positioning groove 107, and the bottom end of the bolt 202 extends to the bearing in the positioning groove 107. The frosting block 203 set at the bottom end of the bolt 202 increases the friction with the bearing contact surface, so that the bearing on the gear assembly is effectively fixed in the casting body 1 for operation, thereby improving the stability of the casting.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An aluminum alloy gearbox casting, comprising a casting body (1) and a fixing assembly (2), characterized in that: The fixing assembly (2) is mounted on the inner walls around the casting body (1). The casting body (1) comprises a casting shell (101). A sealing shell (108) is arranged directly above the casting shell (101). A flange edge (105) is arranged on the outer wall on the side where the casting shell (101) and the sealing shell (108) are close to each other. Two positioning grooves (107) are arranged on the outer walls on both sides of the side where the two flange edges (105) are close to each other. The positioning grooves (107) on the two flange edges (105) correspond to each other. An arc plate (201) is arranged on the outer walls of the casting shell (101) and the sealing shell (108) close to the two corresponding positioning grooves (107). A plurality of bolts (202) are threadedly connected to the inner walls around the two arc plates (201). A frosting block (203) is arranged at the bottom end of each of the plurality of bolts (202).

2. The aluminum alloy gearbox casting according to claim 1, characterized in that: The grinding blocks (203) of the plurality of bolts (202) respectively penetrate the casting shell (101) and the sealing shell (108) and extend to the inner walls of the two positioning grooves (107).

3. The aluminum alloy gearbox casting according to claim 1, characterized in that: Screws (100) are threadedly connected to the inner walls around the top flange (105), and the bottom ends of the four screws (100) extend to the inner wall of the bottom flange (105).

4. The aluminum alloy gearbox casting according to claim 1, characterized in that: Bases (102) are provided on the outer walls on both sides of the bottom of the casting shell (101), and a receiving groove (106) is provided on each side where the casting shell (101) and the sealing shell (108) are close to each other.

5. The aluminum alloy gearbox casting according to claim 1, characterized in that: A filter screen (103) and a mounting ring (104) are provided on the outer walls on both sides of the casting shell (101); the mounting ring (104) is located on the outer walls surrounding the filter screen (103).

6. The aluminum alloy gearbox casting according to claim 5, characterized in that: The filter screen (103) is located between the casting shell (101) and the mounting ring (104); a group of screws (100) are threadedly connected to the inner wall around the mounting ring (104); the bottom ends of the group of screws (100) penetrate the filter screen (103) and extend to the inner wall of the casting shell (101).

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