Gear box shell

Abstract

The utility model discloses a gear box shell which comprises a gear box body, a gear box cover is placed on the top of the gear box body, three fixing blocks are fixedly connected to the outer wall of the gear box cover, a first through hole is formed in each fixing block in a penetrating mode, a plurality of first installation grooves are formed in the top of the gear box body, and a plurality of second installation grooves are formed in the top of the gear box body. Two connecting blocks are fixedly connected to the outer wall of the gearbox cover, a second through hole is formed in each connecting block in a penetrating mode, and two second mounting grooves are formed in the top of the gearbox body. According to the utility model, the box body and the box cover can be stably connected through the triangularly arranged fixing blocks and the symmetrically arranged connecting blocks, so that the box body and the box cover are uniformly stressed, and the conveying problem is avoided; by arranging the sealing piece, sealing of the joint of the two parts can be guaranteed, and the effect of isolating dust and water vapor is achieved; by arranging a plurality of layers, the gearbox can be protected, and noise reduction and heat insulation are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear box technical field especially relates to a gear box casing. BACKGROUND

[0002] In the field of mechanical transmission, gear box as a key component, is widely used in industrial equipment, transportation and many other industries, and the gear box casing as the core component of the gear box, its performance directly affects the overall operation stability and service life of the gear box.

[0003] The connecting structure of the cover and the casing of the gear box casing in the prior art often has insufficient stability, and the connecting points of the cover and the casing of some gear boxes are not reasonably distributed, which causes uneven stress on the connecting part of the cover and the casing during power transmission, and the gear box is prone to looseness, thereby affecting the normal operation of the gear box. UTILITY MODEL CONTENT

[0004] The utility model discloses a gear box casing is provided to solve the shortcomings in the prior art, the fixed block of triangular arrangement and the connecting block of symmetrical arrangement can connect the casing and the cover stably, make its stress uniformity avoid the problem of sending, the sealing element is arranged to ensure the sealing of the connecting part of both, and the dust and water vapor are separated, a plurality of layers are arranged to protect the gear box, and the noise reduction and heat insulation are achieved.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A gear box casing, comprising a gear box casing, a gear box cover is placed on the top of the gear box casing, three fixed blocks are fixedly connected to the outer wall of the gear box cover, a first through hole is penetrated and arranged on each fixed block, a plurality of first installation grooves are arranged on the top of the gear box casing, two connecting blocks are fixedly connected to the outer wall of the gear box cover, a second through hole is penetrated and arranged on each connecting block, two second installation grooves are arranged on the top of the gear box casing, two through openings are penetrated and arranged on the gear box cover, a gear groove is arranged on the top of the gear box casing, a sealing element is installed on the top of the gear box casing, and the material of the gear box casing and the gear box cover is the same and is sequentially provided with an outer protective layer, a base layer, a noise reduction layer, a heat insulation layer and an inner protective layer from outside to inside.

[0007] Preferably, the first through hole is matched with the first installation groove, and the second through hole is matched with the second installation groove.

[0008] Preferably, the positions of the three fixed blocks are triangularly arranged, and the two connecting blocks are symmetrically arranged.

[0009] Preferably, the inner wall of the first mounting slot and the inner wall of the second mounting slot are provided with internal threads.

[0010] Preferably, a top of the gear box body is provided with a receiving groove, and the sealing member is located in the receiving groove and fixedly connected with the inner wall of the receiving groove.

[0011] Preferably, the outer protective layer is treated by spraying epoxy zinc-rich paint, the base layer is made of gray cast iron, the noise reduction layer is made of lead plate, the heat insulation layer is made of ceramic fiber, and the inner protective layer is treated by hard chromium plating.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. By setting three fixed blocks with triangular distribution on the outer wall of the gear box cover, and two symmetrically arranged connecting blocks, cooperating with the corresponding first mounting slot and second mounting slot on the gear box body, the connecting points of the cover and the body are reasonably distributed, and the stress is uniform, effectively avoiding the loosening of the connecting part during operation, and ensuring the stable operation of the gear box.

[0014] 2. The gear box body is provided with a receiving groove at the top, and a sealing member is fixed in the groove, which precisely cooperates with the gear box body and the cover, can effectively prevent dust and impurities from entering the gear box, and can also prevent internal lubricating oil from leaking, avoiding resource waste and environmental pollution.

[0015] 3. The gear box body and the cover adopt a multi-layer protective structure from outside to inside, which is outer protective layer, base layer, noise reduction layer, heat insulation layer and inner protective layer; the gear box can be protected, and noise reduction and heat insulation operations are achieved.

[0016] In summary, the fixed blocks arranged in a triangular shape and the symmetrically arranged connecting blocks can connect the body and the cover stably, make the stress uniform and avoid the problem of loosening; the sealing member can ensure the sealing of the connecting part, and plays a role in dust and water vapor isolation; the multiple layers can protect the gear box, and achieve noise reduction and heat insulation operations. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the gear box shell body proposed in the utility model;

[0018] Figure 2 It is a rear view structural schematic diagram of the gear box shell body proposed in the utility model;

[0019] Figure 3 It is a first schematic diagram of part of the structure of the gear box shell body proposed in the utility model;

[0020] Figure 4A second schematic view of part structure of the gear box shell is provided in the utility model.

[0021] Figure 5 A material section view of the gear box shell is provided in the utility model.

[0022] In the drawing: 1 gear box body, 2 gear box cover, 3 fixed block, 4 first through hole, 5 first installation slot, 6 connecting block, 7 second through hole, 8 second installation slot, 9 through port, 10 gear slot, 11 outer protective layer, 12 base layer, 13 noise reduction layer, 14 heat insulation layer, 15 inner protective layer, 16 sealing element. Specific implementation

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Reference Figures 1-5 A gear box shell, including gear box body 1, gear box body 1 is used as the basic load bearing component of gear box, for accommodating gear and other transmission components, the top of gear box body 1 is placed with gear box cover 2, the outer wall of gear box cover 2 is fixedly connected with three fixed blocks 3, the position of three fixed blocks 3 is arranged in triangle, the fixed block 3 distributed in triangle can provide stable connection support point, the first through hole 4 is penetrated and set on each fixed block 3, the top of gear box body 1 is provided with a plurality of first installation slots 5, the first through hole 4 is matched with the first installation slot 5, is installed into the first installation slot 5 by bolt screw, completes the installation and fixing between gear box body 1 and gear box cover 2.

[0025] The outer wall of gear box cover 2 is fixedly connected with two connecting blocks 6, the stability and balance of connection are enhanced by the symmetrical connecting block 6, two connecting blocks 6 are symmetrically arranged, the second through hole 7 is penetrated and set on each connecting block 6, the top of gear box body 1 is provided with two second installation slots 8, the inner wall of first installation slot 5 and the inner wall of second installation slot 8 are all provided with internal thread, the second through hole 7 is matched with the second installation slot 8, and the fastening of gear box cover 2 and gear box body 1 is realized by the threaded connection.

[0026] Two through ports 9 are penetrated and set on gear box cover 2, the through port 9 is used for installing and positioning gear, so that it can normally operate, the top of gear box body 1 is provided with gear slot 10, for accommodating gear and other transmission components, the top of gear box body 1 is provided with sealing element 16, the top of gear box body 1 is provided with containing groove, the sealing element 16 is located in the containing groove and is fixedly connected with the inner wall thereof, to prevent external dust, impurities and internal lubricating oil leakage.

[0027] The gear box body 1 and the gear box cover 2 are made of the same material and are sequentially provided from outside to inside with an outer protective layer 11, a base layer 12, a noise reduction layer 13, a heat insulation layer 14 and an inner protective layer 15. The outer protective layer 11 is treated with a spray epoxy zinc-rich paint, and the outer protective layer 11 can prevent the gear box body 1 and the gear box cover 2 from being corroded by the external environment. The base layer 12 is made of gray cast iron, and the base layer 12 serves as a main structural support layer to provide strength and rigidity for the gear box. The noise reduction layer 13 is made of lead plate, and the noise reduction layer 13 is used to absorb and block the noise generated by the gear operation. The heat insulation layer 14 is made of ceramic fiber, and the heat insulation layer 14 can reduce the heat transfer from the inside of the gear box to the outside, and maintain the internal temperature stable. The inner protective layer 15 is treated with hard chromium plating, and the inner protective layer 15 protects the inside of the gear box from being eroded by lubricating oil and other media, and prolongs the service life.

Claims

1. A gear box housing comprising a gear box casing (1), characterized in that, The top of gearbox box (1) is placed gearbox cover (2), the outer wall of gearbox cover (2) is fixedly connected with three fixed blocks (3), the first through hole (4) is set on each fixed block (3), the top of gearbox box (1) is provided with a plurality of first installation slot (5), the outer wall of gearbox cover (2) is fixedly connected with two connecting blocks (6), the second through hole (7) is set on each connecting block (6), the top of gearbox box (1) is provided with two second installation slot (8), the gearbox cover (2) is set with two through hole (9), the top of gearbox box (1) is set with gear slot (10), the top of gearbox box (1) is provided with sealing element (16), the material of gearbox box (1) and gearbox cover (2) is same and is provided with outer protective layer (11), base layer (12), noise reduction layer (13), heat insulation layer (14) and inner protective layer (15) from outside to inside in sequence.

2. A gearbox housing according to claim 1, characterised in that The first through hole (4) is matched with the first installation slot (5), and the second through hole (7) is matched with the second installation slot (8).

3. A gearbox housing according to claim 1, wherein, The positions of the three fixed blocks (3) are triangularly arranged, and the two connecting blocks (6) are symmetrically arranged.

4. A gearbox housing according to claim 1, wherein, The inner wall of the first installation slot (5) and the second installation slot (8) is provided with internal thread.

5. A gear case housing according to claim 1, wherein, The top of the gearbox box (1) is provided with a containing groove, and the sealing element (16) is located in the containing groove and is fixedly connected with the inner wall thereof.

6. A gear case housing according to claim 1, wherein, The outer protective layer (11) is treated by spraying epoxy zinc-rich paint, the base layer (12) is made of gray cast iron, the noise reduction layer (13) is made of lead plate, the heat insulation layer (14) is made of ceramic fiber, and the inner protective layer (15) is treated by plating hard chromium.

Images