Novel rotating cage pulley reduction gearbox

Abstract

The novel rotating cage tackle reduction gearbox comprises a reduction gearbox body, first bearing seats are arranged at the top end and openings in the two sides of the reduction gearbox body, first bearings are arranged in the first bearing seats, a first transmission shaft is arranged on the inner ring of the first bearing at the top end, and a second transmission shaft is arranged on the inner ring of the second bearing at the bottom end. The utility model relates to the technical field of rotating cage tackle reduction gearbox construction, a first bearing and a second bearing can be installed on the first transmission shaft and the second transmission shaft to replace copper bushes used before, and the structure of the rotating cage tackle reduction gearbox is simple and convenient. Due to the fact that friction during rotation can be better reduced through the bearing, smoothness is provided for rotation, the phenomenon that the transmission shaft is stuck due to tension, a motor load is deadly reported and burnt out can be avoided, follow-up maintenance and repair times are further reduced, and cost is lower.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotating cage pulley deceleration box structure technical field, concretely is a new rotating cage pulley deceleration box. BACKGROUND

[0002] Rotating cage pulley deceleration box is by the gear drive, worm drive, gear-worm drive closed in the rigid shell, the independent component that is composed, often used as the deceleration transmission device between the original component and the working machine, the box of deceleration box is one of the main parts of deceleration box, for easy disassembly, often use split structure, and use bolt and box cover are associated into a whole. Rotating cage pulley deceleration box is widely used in various industrial machinery and equipment, such as wind turbine generator unit, conveying belt, machine tool, transmission equipment, etc.

[0003] But, through the retrieval discovery, the rotating cage pulley deceleration box in the prior art in the long time use process, pulley assembly is back and forth on the track friction, its internal copper bushing is caused copper bushing wear seriously easy to jam gear, the wear of gear shaft, thereby causing motor load occurs motor report dead and burn phenomenon, therefore needs to replace copper bushing multiple times and oil maintenance and repair, this increases the cost, reduces work efficiency, in view of this, it is very necessary to design a new rotating cage pulley deceleration box to solve this problem. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a new rotating cage pulley deceleration box, which solves the problem that the copper bushing in the prior art rotating cage pulley deceleration box is seriously worn by tension and easily jams the gear, and the gear shaft is worn, which requires the copper bushing to be replaced multiple times and oiled for maintenance and repair, thereby increasing the cost and reducing the work efficiency.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a new rotating cage pulley deceleration box, comprising a deceleration box body, a first bearing seat is arranged at the top end and both sides of the deceleration box body, a first bearing is arranged in the first bearing seat, a first transmission shaft is arranged on the inner ring of the first bearing at the top end, a second transmission shaft is arranged on the inner ring of the first bearing at both sides, a fixing mechanism is installed on the first bearing seat, and a connecting mechanism is installed on the outer periphery of the bottom end of the first transmission shaft.

[0006] Preferably, the fixing mechanism comprises a pair of baffles fixedly connected to the outer wall of the first bearing seat, the outer wall of the baffle is fitted with the outer wall of the deceleration box body, a screw rod is fixedly connected to one end of the baffle close to the deceleration box body, the outer periphery of the screw rod is gap-fitted with the inner wall of the through hole of the deceleration box body, a nut is threadedly connected to the outer periphery of the screw rod, a gasket is arranged between the nut and the deceleration box body, and the gasket is sleeved on the outer periphery of the screw rod.

[0007] Preferably, the connecting mechanism comprises a pair of first vertical plates fixed to the inner wall of the reduction gearbox body, second vertical plates are fixed to the inner side of the first vertical plates, second bearing seats are threadedly connected to the second vertical plates through a plurality of first bolts, a pair of second bearings are arranged in the second bearing seats, and the inner rings of the second bearings are connected with the first transmission shaft.

[0008] Preferably, the bottom end of the first transmission shaft is fixedly connected with a first bevel gear.

[0009] Preferably, a second bevel gear is fixedly connected to the middle outer periphery of the second transmission shaft, and the second bevel gear is connected in meshing engagement with the first bevel gear.

[0010] Preferably, a cover is threadedly connected to the front end face of the reduction gearbox body through a plurality of second bolts.

[0011] Preferably, sealing rings are arranged on the first bearing seat, the sealing rings are sleeved on the outer periphery of the first transmission shaft at the top end, and the sealing rings are sleeved on the outer periphery of the second transmission shaft at the two sides.

[0012] Beneficial effects

[0013] The novel rotary cage pulley reduction gearbox has the following beneficial effects:

[0014] Through the cooperation of the reduction gearbox body, the first bearing seat, the second bearing seat, the first bearing and the second bearing, the first bearing and the second bearing can be installed on the first transmission shaft and the second transmission shaft, so as to replace the previous copper bushing. Since the bearing can better reduce the friction during rotation and provide smoothness for rotation, the phenomenon of the stuck transmission shaft due to tension and the burning of the motor load due to the stuck transmission shaft can be avoided, the subsequent maintenance and repair times are reduced, and the cost is lower.

[0015] The device can reduce the replacement frequency of accessories, reduce the resistance, reduce the load of the rotary cage reduction motor, reduce oil consumption, reduce power consumption, and also has the same effect as the original copper bushing, and is convenient to maintain and repair. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The figure is a structural schematic view of the utility model.

[0017] Figure 2 The figure is a sectional view of the utility model.

[0018] Figure 3 The figure is a local enlarged schematic view of the utility model.

[0019] Figure 4 The figure is a local enlarged schematic view of the utility model.

[0020] In the figure: 1, the reduction gearbox body; 2, the first bearing seat; 3, the first bearing; 4, the first transmission shaft; 5, the second transmission shaft; 6, the first bevel gear; 7, the second bevel gear; 8, the baffle; 9, the screw; 10, the nut; 11, the gasket; 12, the sealing ring; 13, the first vertical plate; 14, the second vertical plate; 15, the first bolt; 16, the second bearing seat; 17, the second bearing; 18, the second bolt; 19, the cover. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a novel rotating cage pulley reduction gearbox, including reduction gearbox body 1, the top end of the reduction gearbox body 1 and the opening at both sides are equipped with first bearing seat 2, the inside of the first bearing seat 2 is equipped with first bearing 3, the inner ring of the first bearing 3 at top end is equipped with first transmission shaft 4, the inner ring of the first bearing 3 at both sides is equipped with second transmission shaft 5, fixed mechanism is installed on the first bearing seat 2, the bottom end outer periphery of the first transmission shaft 4 is equipped with connecting mechanism;

[0023] The opening is machined above and left and right sides of the reduction gearbox body 1, so that first bearing seat 2 is installed, first bearing 3 is installed in first bearing seat 2, to cooperate with the rotation of first transmission shaft 4.

[0024] The embodiment is further provided, the fixed mechanism includes a pair of baffle 8 with the outer wall of first bearing seat 2 fixedly connected, and the outer wall of baffle 8 is attached with the outer wall of reduction gearbox body 1, the screw rod 9 is fixedly connected to the end of baffle 8 close to reduction gearbox body 1, and the outer periphery of screw rod 9 is gap matched with the inner wall of the through hole of reduction gearbox body 1, the outer periphery of screw rod 9 is threadedly connected with nut 10, gasket 11 is arranged between nut 10 and reduction gearbox body 1, and gasket 11 is sleeved on the outer periphery of screw rod 9.

[0025] The through hole is also provided beside the opening of the reduction gearbox body 1, so that screw rod 9 can pass through the through hole, and first bearing seat 2 can be fixed to reduction gearbox body 1 by cooperating screw rod 9 with nut 10 and baffle 8.

[0026] The embodiment is further provided with a pair of first vertical plates 13 fixed to the inner wall of the reduction gearbox body 1, a second vertical plate 14 is fixed to the inner side of the first vertical plate 13, a second bearing seat 16 is threadedly connected to the second vertical plate 14 through a plurality of first bolts 15, a pair of second bearings 17 are arranged in the second bearing seat 16, and the inner ring of the second bearing 17 is connected with the first transmission shaft 4;

[0027] The second bearing 17 is arranged in the second bearing seat 16 and connected with the first transmission shaft 4, so that the smoothness of the rotation of the first transmission shaft 4 can be further improved through the second bearing 17.

[0028] The embodiment is further provided with a first bevel gear 6 fixed to the bottom end of the first transmission shaft 4.

[0029] The embodiment is further provided with a second bevel gear 7 fixed to the middle outer periphery of the second transmission shaft 5, and the second bevel gear 7 is connected in meshing with the first bevel gear 6;

[0030] The first transmission shaft 4 and the second transmission shaft 7 can be linked through the first bevel gear 6 and the second bevel gear 7.

[0031] The embodiment is further provided with a cover 19 threadedly connected to the front end face of the reduction gearbox body 1 through a plurality of second bolts 18.

[0032] The embodiment is further provided with a sealing ring 12 mounted on the first bearing seat 2, the sealing ring 12 is sleeved on the outer periphery of the first transmission shaft 4 at the top end, and the sealing ring 12 is sleeved on the outer periphery of the second transmission shaft 5 at the two sides;

[0033] The sealing ring 12 can be arranged at the first transmission shaft 4 and the second transmission shaft 5, and the sealing ring 12 can be fixed to the inner wall of the opening of the first bearing seat 2, so as to improve the sealing performance.

[0034] It is worth noting that the models of the electric appliance structure and the like involved in the present application can be selected according to the needs of the users, as long as the use requirements of the present application are met, and the corresponding control circuit and the like are also prior art, and the person skilled in the art can realize it, so it is not necessary to describe it in more detail.

[0035] The person skilled in the art will connect the parts in the case in sequence, and the specific connection and operation sequence should be referred to the working principle below, and the detailed connection means is the prior art known in the art, and the working principle and process are mainly introduced below.

[0036] When the device is needed, the first transmission shaft 4 is inserted into the second bearing 17 of the second bearing seat 16, and then the first transmission shaft 4 is moved into the reduction gearbox body 1 through the second bearing seat 16, and the top end of the first transmission shaft 4 is inserted out of the opening above the reduction gearbox body 1, then the second bearing seat 16 is connected and fixed with the second vertical plate 14 through the first bolt 15, then the first bearing 3 in the first bearing seat 2 is installed on the first transmission shaft 4, and the first bearing seat 2 is moved with the screw rod 9 through the baffle 8, so that the screw rod 9 is inserted into the through hole of the reduction gearbox body 1, then the gasket 11 and the nut 10 are installed on the screw rod 9 in sequence, and the nut 10 is tightened to fix the first bearing seat 2 to the reduction gearbox body 1, then the second transmission shaft 5 is installed into the reduction gearbox body 1, and the two ends of the second transmission shaft 5 are inserted out of the openings on the two sides of the reduction gearbox body 1, and the two first bearings 3 are installed on the second transmission shaft 5 through the above operation, and the first bearing seat 2 is connected and fixed with the reduction gearbox body 1, and the first transmission shaft 4 and the second transmission shaft 5 are adjusted so that the first bevel gear 6 on the first transmission shaft 4 is engaged with the second bevel gear 7 on the second transmission shaft 5, and finally the cover 19 is fixed to the reduction gearbox body 1, so that the installation is completed, and the first bearing 3 and the second bearing 17 are installed on the first transmission shaft 4 and the second transmission shaft 5 to replace the copper sleeve used before, so that the bearing can better reduce the friction during rotation and provide smoothness for rotation, so that the phenomenon of the transmission shaft being stuck due to tension and the motor load being reported dead and burned out can be avoided, and the subsequent maintenance and repair times are reduced, so the cost is lower.

[0037] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the statement "comprises... elements" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the stated elements.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A new type of rotating cage trolley reduction gearbox comprising a reduction gearbox body (1), characterized in that: The top end and both sides of the reduction gearbox body (1) are provided with first bearing seats (2), the inside of the first bearing seat (2) is provided with first bearings (3), the inner ring of the first bearing (3) at the top end is provided with a first transmission shaft (4), the inner ring of the first bearing (3) at both sides is provided with a second transmission shaft (5), a fixing mechanism is installed on the first bearing seat (2), and a connecting mechanism is installed on the bottom end of the outer periphery of the first transmission shaft (4).

2. A novel rotating cage trolley reduction gearbox as claimed in claim 1, wherein, The fixing mechanism comprises a pair of baffles (8) fixedly connected to the outer wall of the first bearing seat (2), the outer wall of the baffle (8) is in close contact with the outer wall of the reduction gearbox body (1), the baffle (8) is fixedly connected to a screw rod (9) near one end of the reduction gearbox body (1), the outer periphery of the screw rod (9) is in clearance fit with the inner wall of the through hole of the reduction gearbox body (1), the outer periphery of the screw rod (9) is threadedly connected with a nut (10), a gasket (11) is arranged between the nut (10) and the reduction gearbox body (1), and the gasket (11) is sleeved on the outer periphery of the screw rod (9).

3. A novel rotating cage trolley reduction gearbox as claimed in claim 1, wherein, The connecting mechanism comprises a pair of first vertical plates (13) fixedly connected to the inner wall of the reduction gearbox body (1), the inner side of the first vertical plate (13) is fixedly connected with a second vertical plate (14), the second vertical plate (14) is threadedly connected with a second bearing seat (16) through a plurality of first bolts (15), the inside of the second bearing seat (16) is provided with a pair of second bearings (17), and the inner ring of the second bearing (17) is connected with the first transmission shaft (4).

4. A novel rotating cage trolley reduction gearbox as claimed in claim 1, wherein, The bottom end of the first transmission shaft (4) is fixedly connected with a first bevel gear (6).

5. A novel rotating cage trolley reduction gearbox as claimed in claim 1, wherein, The middle outer periphery of the second transmission shaft (5) is fixedly connected with a second bevel gear (7), and the second bevel gear (7) is meshed and connected with the first bevel gear (6).

6. A novel rotating cage trolley reduction gearbox as claimed in claim 1, wherein, The front end face of the reduction gearbox body (1) is threadedly connected with a cover (19) through a plurality of second bolts (18).

7. A novel rotating cage trolley reduction gearbox as claimed in claim 1, wherein, A sealing ring (12) is installed on the first bearing seat (2), the sealing ring (12) is sleeved on the outer periphery of the first transmission shaft (4) at the top end, and the sealing ring (12) is sleeved on the outer periphery of the second transmission shaft (5) at both sides.

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