Helical gear speed reducer convenient to disassemble and inspect

Abstract

The helical gear speed reducer comprises a speed reduction box body, a sealing gasket is fixedly connected to the upper surface of the speed reduction box body, a machine cover is arranged above the speed reduction box body, and the front face and the back face of the speed reduction box body are each provided with two clamping grooves. A limiting plate is connected to the inner wall of each clamping groove in a clamped mode. The device comprises a reduction gearbox main body, a sealing gasket is fixedly connected to the upper surface of the reduction gearbox main body, a machine cover is arranged above the reduction gearbox main body, two clamping grooves are formed in each of the front face and the back face of the reduction gearbox main body, and a limiting plate is clamped to the inner wall of each clamping groove; the top end of each limiting plate is fixedly connected with the bottom face of a machine cover, the bottom face of the machine cover is fixedly connected with two first supporting plates, placing grooves are formed in the left side face and the right side face of the reduction gearbox body, and the inner side wall of each placing groove is fixedly connected with a second supporting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of reduction boxes, in particular to a helical gear reducer which is easy to disassemble and inspect. Background Art

[0002] A reduction box is called a speed reducer, a reducer or a transmission box. Its main purpose is to reduce or increase the output of the motor. It works on the principle that the prime mover is connected to the reduction box, and the reduction box is then connected to the working machine. It is a power transmission device and can be divided into industrial reduction boxes and automotive reduction boxes. The former can be classified into worm gear reduction boxes, gear reduction boxes, worm reduction boxes, worm gear reduction boxes and planetary reduction boxes.

[0003] At present, most reducer housings and housing covers are fixed by multiple sets of bolts. Therefore, when people need to inspect the inside of the reducer, they need to repeatedly turn multiple bolts, which is cumbersome and inconvenient for people to quickly inspect the inside of the reducer. For this reason, we propose a helical gear reducer that is easy to disassemble and inspect to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a helical gear reducer which is easy to disassemble and inspect, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A helical gear reducer that is easy to disassemble and inspect, includes a reduction box body, a sealing gasket is fixedly connected to the upper surface of the reduction box body, a machine cover is arranged above the reduction box body, two clamping grooves are arranged on the front and back of the reduction box body, the inner wall of each of the clamping grooves is clamped with a limiting plate, the top of each of the limiting plates is fixedly connected to the bottom surface of the machine cover, the bottom surface of the machine cover is fixedly connected to two first support plates, the left and right side surfaces of the reduction box body are provided with placement grooves, the inner side wall of each of the placement grooves is fixedly connected to a second support plate, the upper surface of each of the second support plates is provided with a limiting opening, and each The bottom surface of the first support plate is fixedly connected with a positioning card, the bottom end of each positioning card passes through the limiting opening and extends to the inside of the placement slot, the inner side wall of each placement slot is provided with two mounting holes, the front side of each positioning card is provided with a positioning hole, the front of the reduction gear box body is provided with two mounting bolts, the back side of the reduction gear box body is fixedly connected with two mounting nuts, the rear end of each mounting bolt passes through the mounting hole and the positioning hole in turn and is threadedly connected to the inner wall of the mounting nut, the upper surface of each second support plate is fixedly connected with a support spring, and the top end of each support spring is in contact with the bottom surface of the first support plate.

[0007] In a further embodiment, a washer is sleeved on the outer surface of each mounting bolt, and the washer is made of rubber.

[0008] In a further embodiment, a support block is fixedly connected to the bottom surface of the reduction box body, a mounting plate is fixedly connected to the bottom end of the support block, a damping pad is fixedly connected to the bottom surface of the mounting plate, and two groups of fixing holes are opened on the upper surface of the mounting plate.

[0009] In a further embodiment, a holding gasket is fixedly connected to the upper surface of the machine cover, and the holding gasket is made of rubber.

[0010] In a further embodiment, two holding grooves are provided on the upper surface of the cover, and the two holding grooves are respectively located on the left and right sides of the holding gasket.

[0011] In a further embodiment, a model mark is provided on the upper surface of the machine cover, and the model mark is located behind the holding gasket.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device can realize the installation of the card-connecting pins of the machine cover and perform positioning with fewer bolts and nuts through the provided card-connecting grooves, limit plates, holding grooves, support springs, first support plates, second support plates, limit openings, positioning holes, mounting holes, mounting bolts and mounting nuts, thereby facilitating the rapid disassembly, assembly and separation of the machine cover and the reduction box body, solving the problem of complicated disassembly and assembly of many bolts, and facilitating the disassembly, inspection and maintenance of the reduction box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic diagram of the overall three-dimensional structure of the helical gear reducer for easy disassembly and inspection.

[0015] Figure 2 Rear view of the reduction gearbox body in the helical gear reducer for easy disassembly and inspection.

[0016] Figure 3 This is the right side view of the reduction box body in the helical gear reducer for easy disassembly and inspection.

[0017] Figure 4 A side view of the reduction gearbox body in a helical gear reducer for easy disassembly and inspection.

[0018] Figure 5 In order to facilitate the disassembly and inspection of the helical gear reducer Figure 1 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0019] In the figure: 1. reducer body; 2. support block; 3. mounting plate; 4. fixing hole; 5. placement slot; 6. mounting hole; 7. holding slot; 8. model mark; 9. holding gasket; 10. machine cover; 11. sealing gasket; 12. limit plate; 13. clamping slot; 14. mounting bolt; 15. washer; 16. positioning hole; 17. positioning clamping plate; 18. second support plate; 19. first support plate; 20. support spring; 21. mounting nut; 22. damping pad; 23. limit opening. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] 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.

[0023] See also Figure 1-5In the utility model, a helical gear reducer that is easy to disassemble and inspect comprises a reduction box body 1, a sealing gasket 11 is fixedly connected to the upper surface of the reduction box body 1, and a machine cover 10 is provided above the reduction box body 1, and two clamping grooves 13 are provided on the front and back of the reduction box body 1, and the inner wall of each clamping groove 13 is clamped with a limiting plate 12, and the clamping cooperation between the limiting plate 12 and the clamping groove 13 facilitates the clamping installation of the machine cover 10, and the top of each limiting plate 12 is fixedly connected to the bottom surface of the machine cover 10, and the bottom surface of the machine cover 10 is fixedly connected with two first support plates 19, and the left and right sides of the reduction box body 1 are provided with placement grooves 5, and the inner side wall of each placement groove 5 is fixedly connected with a second support plate 18, and the upper surface of each second support plate 18 is provided with a limiting opening 23, and the bottom surface of each first support plate 19 is fixedly connected There is a positioning card plate 17, the bottom end of each positioning card plate 17 passes through the limit opening 23 and extends to the inside of the placement groove 5, the inner side wall of each placement groove 5 is provided with two mounting holes 6, and the front of each positioning card plate 17 is provided with a positioning hole 16. Two mounting bolts 14 are provided in front of the reduction box body 1, and the back of the reduction box body 1 is fixedly connected with two mounting nuts 21. The rear end of each mounting bolt 14 passes through the mounting hole 6 and the positioning hole 16 in turn and is threadedly connected to the inner wall of the mounting nut 21. Through the clamping connection between the mounting bolt 14 and the positioning hole 16, the bayonet installation and positioning of the machine cover 10 and the reduction box body 1 can be realized, and through the threaded cooperation with the mounting nut 21, the bolt installation of the machine cover 10 can be realized, which is convenient for the disassembly and assembly of the machine cover 10. The upper surface of each second support plate 18 is fixedly connected with a support spring 20, and the top of each support spring 20 is in contact with the bottom surface of the first support plate 19.

[0024] The outer surface of each mounting bolt 14 is sleeved with a washer 15, which is made of rubber and can protect the mounting bolt 14 during installation, so as to facilitate the stable bolt installation of the machine cover 10. The bottom surface of the reduction gearbox body 1 is fixedly connected with a support block 2, the bottom end of the support block 2 is fixedly connected with a mounting plate 3, the bottom surface of the mounting plate 3 is fixedly connected with a damping pad 22, and the upper surface of the mounting plate 3 is provided with two groups of fixing holes 4, which can be used to install and fix the reduction gearbox body 1, so as to facilitate the installation of the reduction gearbox body 1.

[0025] A pressing gasket 9 is fixedly connected to the upper surface of the machine cover 10. The pressing gasket 9 is made of rubber and can protect the machine cover 10 when it is pressed, so as to facilitate the safe pressing down installation of the machine cover 10. Two holding grooves 7 are provided on the upper surface of the machine cover 10. The two holding grooves 7 are respectively located on the left and right sides of the pressing gasket 9, so that the staff can pick up the machine cover 10 more conveniently and facilitate the disassembly and assembly of the machine cover 10. A model mark 8 is provided on the upper surface of the machine cover 10, and the model mark 8 is located behind the pressing gasket 9. The model of this reducer can be explained, so as to facilitate the use of the staff.

[0026] The working principle of the utility model is:

[0027] When in use, the machine cover 10 is picked up through the holding groove 7, and the machine cover 10 is clamped on the top of the reduction box body 1 through the clamping cooperation of the limit plate 12 and the clamping groove 13, and then the machine cover 10 is pressed on the pressing gasket 9 through the pressing device, and the machine cover 10 is pressed downward. Through the cooperation of the sealing gasket 11, the sealing between the machine cover 10 and the reduction box body 1 is achieved, and then the mounting bolts 14 are passed through the two mounting holes 6 and the positioning holes 16 and threadedly connected to the inside of the mounting nuts 21, and the machine cover 10 and the reduction box body 1 are fixed by the pin clamping and bolt installation, and the machine cover 10 is quickly installed. Then the reduction box body 1 is installed and fixed through the mounting plate 3 and the fixing holes 4. When disassembling and inspecting, loosen the mounting bolts 14 to disengage them from the mounting nuts 21, and then pull out the mounting bolts 14, untie the machine cover 10, and then remove the machine cover 10 to inspect the reduction box.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A helical gear reducer that is easy to disassemble and inspect, characterized in that: The invention comprises a reduction gearbox body (1), the upper surface of which is fixedly connected with a sealing gasket (11), a machine cover (10) is arranged above the reduction gearbox body (1), two clamping grooves (13) are arranged on the front and back of the reduction gearbox body (1), the inner wall of each clamping groove (13) is clamped with a limiting plate (12), the top of each limiting plate (12) is fixedly connected with the bottom surface of the machine cover (10), the bottom surface of the machine cover (10) is fixedly connected with two first support plates (19), the left and right side surfaces of the reduction gearbox body (1) are provided with placement grooves (5), the inner side wall of each placement groove (5) is fixedly connected with a second support plate (18), the upper surface of each second support plate (18) is provided with a limiting opening (23), and each first support plate (19) is fixedly connected with a second support plate (18). The bottom surface of each of the second support plates (18) is fixedly connected with a positioning card plate (17), the bottom end of each of the positioning card plates (17) passes through the limiting opening (23) and extends to the inside of the placement groove (5), the inner side wall of each of the placement grooves (5) is provided with two mounting holes (6), the front of each of the positioning card plates (17) is provided with a positioning hole (16), the front of the reduction box body (1) is provided with two mounting bolts (14), the back of the reduction box body (1) is fixedly connected with two mounting nuts (21), the rear end of each of the mounting bolts (14) passes through the mounting hole (6) and the positioning hole (16) in turn and is threadedly connected to the inner wall of the mounting nut (21), the upper surface of each of the second support plates (18) is fixedly connected with a support spring (20), and the top end of each of the support springs (20) is in contact with the bottom surface of the first support plate (19).

2. A helical gear reducer that is easy to disassemble and inspect according to claim 1, characterized in that: The outer surface of each mounting bolt (14) is sleeved with a washer (15), and the washer (15) is made of rubber.

3. The helical gear reducer that is easy to disassemble and inspect according to claim 1 is characterized in that: The bottom surface of the reduction gearbox body (1) is fixedly connected to a support block (2), the bottom end of the support block (2) is fixedly connected to a mounting plate (3), the bottom surface of the mounting plate (3) is fixedly connected to a damping pad (22), and the upper surface of the mounting plate (3) is provided with two groups of fixing holes (4).

4. The helical gear reducer that is easy to disassemble and inspect according to claim 1 is characterized in that: A holding gasket (9) is fixedly connected to the upper surface of the machine cover (10), and the holding gasket (9) is made of rubber.

5. The helical gear reducer that is easy to disassemble and inspect according to claim 4 is characterized in that: Two holding grooves (7) are provided on the upper surface of the machine cover (10), and the two holding grooves (7) are respectively located on the left and right sides of the pressing gasket (9).

6. The helical gear reducer that is easy to disassemble and inspect according to claim 4 is characterized in that: The upper surface of the machine cover (10) is provided with a model mark (8), and the model mark (8) is located behind the holding gasket (9).

Images