Mine truck transmission shaft connecting and fixing device

Abstract

The utility model discloses a mine truck transmission shaft connecting and fixing device in the technical field of mine machinery, which is arranged on a hinged frame of a mine truck, and two transmission shafts for driving the mine truck to move are arranged on the hinged frame. The connecting and fixing device comprises a sleeve piece and a connecting shaft assembly movably inserted into the sleeve piece. The two ends of the connecting shaft assembly are connected with two transmission shafts hinged to the frame through universal joints respectively. According to the transmission device, one transmission shaft is connected through the first connecting piece on the connecting shaft, the second connecting piece is connected with the other transmission shaft, connection between the two transmission shafts is achieved, the positions of the transmission shafts do not need to be changed, space is saved, large-angle connection of the transmission shafts is avoided, and integrity and smoothness of the transmission device are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining machinery technical field, concretely is a kind of mining truck transmission shaft connecting fixing device. BACKGROUND

[0002] Mining truck is a kind of heavy machinery equipment specially designed for mining, transportation and construction. They are usually used to perform tasks in complex and harsh environments, such as ore transportation, earthwork and material handling, etc.; due to the uniqueness and harsh conditions of mine environment, mining truck needs to have high reliability, strong passability and good adaptability; to increase the flexibility of mining truck in mine, the frame of existing mining truck generally uses hinged frame (front frame and rear frame are hinged), so that mining truck turns flexibly, and adapts to complex terrain (such as, vehicle can better cope with rugged terrain and steep slope), due to the use of hinged frame, and the need to increase the flexibility of mining truck, the space of frame will be reduced, however, this will affect the arrangement of transmission shaft, due to the relatively small space structure, the power unit and the execution element are blocked by the hinge shaft, so that the transmission cannot be effectively carried out, resulting in the need to change the position of power unit or execution element or increase the space structure, which is easy to increase the overall size, so as to deviate from the design standard, and after changing the position of power unit or execution element, the smoothness of transmission will be affected, causing interference or abnormal sound problems. SUMMARY

[0003] The utility model aims at providing a kind of mining truck transmission shaft connecting fixing device, to solve the problem that the arrangement of transmission shaft will be affected as described in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of mining truck transmission shaft connecting fixing device, the connecting fixing device is arranged on the hinged frame of mining truck, two transmission shafts for driving mining truck to move are provided on the hinged frame, and the connecting fixing device includes: sleeve and the connecting shaft assembly of being inserted in sleeve;

[0005] Two ends of the connecting shaft assembly are connected with the two transmission shafts on the hinged frame respectively through universal joint.

[0006] Preferably, the connecting shaft assembly includes connecting shaft and second connecting piece provided on one end of connecting shaft.

[0007] Preferably, the cross section of connecting shaft is T-shaped, and the connecting shaft includes shaft and first connecting piece.

[0008] Preferably, the second connecting piece is detachably connected with connecting shaft.

[0009] Preferably, the second connecting piece is sleeved on the outer wall of the connecting shaft, and the connecting shaft is provided with a nut for fixing the second connecting piece.

[0010] Preferably, the connecting shaft is provided with a gasket between the nut and the second connecting piece.

[0011] Preferably, the kit comprises a mounting sleeve and a fixing seat arranged on the mounting sleeve.

[0012] Preferably, the kit is provided with a bearing for sleeving on the outer wall of the rotating shaft.

[0013] Preferably, the bearing has two, and the two bearings are respectively attached to the side wall of the first connecting piece and the second connecting piece.

[0014] Preferably, the rotating shaft is provided with a dustproof ring outside the bearing.

[0015] Preferably, the kit is provided with a hole card for limiting the dustproof ring.

[0016] Compared with the prior art, the beneficial effects of the utility model are that: a transmission shaft is connected through the first connecting piece on the connecting shaft, another transmission shaft is connected through the second connecting piece, the connection between the two transmission shafts is realized, the position of the transmission shaft does not need to be changed, space is saved, the transmission shaft is avoided to appear large-angle connection, the integrity and smoothness of the transmission device are realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the connecting and fixing device of the utility model;

[0018] Figure 2 It is a sectional structure schematic view of the connecting and fixing device of the utility model;

[0019] Figure 3 It is a connecting and fixing device of the utility model Figure 2 It is an enlarged schematic view of structure A;

[0020] Figure 4 It is a connecting structure schematic view of the connecting and fixing device and the transmission shaft of the utility model.

[0021] In the drawing: 1, kit; 101, mounting sleeve; 102, fixing seat; 2, connecting shaft; 21, rotating shaft; 22, first connecting piece; 3, second connecting piece; 4, nut; 5, gasket; 6, bearing; 7, dustproof ring; 8, hole card; 9, universal joint; 10, transmission shaft. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0023] Embodiment 1

[0024] Please refer to Figure 1 , Figure 2 and Figure 4 , a connecting and fixing device for a transmission shaft of a mine truck, the frame of the mine truck is a hinged frame (the hinged frame comprises two front and rear frames, the front frame is connected with the rear frame through a hinge, and the transmission shaft 10 is installed on the front frame or the rear frame, wherein the power equipment is installed on the front frame or the rear frame, and is used for driving one of the transmission shafts 10 to rotate); the connecting and fixing device comprises a sleeve set 1 and a connecting shaft assembly, and the sleeve set 1 is fixedly installed in the middle of the hinged frame (on the front frame or the rear frame);

[0025] The connecting shaft assembly comprises a connecting shaft 2 and a second connecting piece 3 arranged on one end of the connecting shaft 2; the cross section of the connecting shaft 2 is T-shaped, the connecting shaft 2 comprises a rotating shaft 21 and a first connecting piece 22 (the rotating shaft 21 and the first connecting piece 22 are an integral whole, and the first connecting piece 22 is located on the end of the rotating shaft 21 away from the second connecting piece 3), the first connecting piece 22 and the second connecting piece 3 are both flange connecting pieces, the first connecting piece 22 and the second connecting piece 3 are connected with the two transmission shafts 10 on the hinged frame through universal joints 9 respectively, the connecting and fixing device is used as an intermediate transition connecting component, realizes the connection of the front and rear transmission shafts 10, ensures the normal arrangement of the transmission shafts 10 in a small space, does not need to change the position, realizes the integrity and smoothness of the transmission device.

[0026] In the embodiment, as a further optimized scheme, please refer to Figure 2 , the second connecting piece 3 is detachably connected with the connecting shaft 2;

[0027] The second connecting piece 3 is sleeved on the outer wall of the connecting shaft 2, a nut 4 is sleeved on the outer wall of the connecting shaft 2, the connecting position of the connecting shaft 2 and the nut 4 is provided with a thread, so that the nut 4 is fixed on the outer wall of the connecting shaft 2, the nut 4 is located on the left side of the second connecting piece 3, and the second connecting piece 3 is blocked and fixed on the connecting shaft 2; a gasket 5 is sleeved on the connecting shaft 2, and the gasket 5 is located between the nut 4 and the second connecting piece 3.

[0028] It should be noted that the second connecting piece 3, the nut 4 and the gasket 5 are all installed on the rotating shaft 21 of the connecting shaft 2.

[0029] In the embodiment, as a further optimized scheme, refer to Figure 1 and Figure 2 The kit 1 comprises a mounting sleeve 101 and a fixing base 102, the fixing base 102 is a flange arranged on the outer sidewall of the mounting sleeve 101, the flange is connected with the articulated frame to fix the kit 1 on the articulated frame.

[0030] In the embodiment, as a further optimized scheme, refer to Figure 2 Two bearings 6 are fixedly arranged in the inner cavity of the kit 1, the bearings 6 are sleeved on the outer wall of the rotating shaft 21, the two bearings 6 are respectively attached to the side wall of the first connecting piece 22 and the second connecting piece 3 which are close to each other, and the bearings 6 are used to reduce the resistance of the rotating shaft 21 when rotating in the kit 1.

[0031] In the embodiment, as a further optimized scheme, refer to Figure 2 and Figure 3 The outer wall of the rotating shaft 21 is sleeved with two dustproof rings 7, the two dustproof rings 7 are located outside the two bearings 6 and are attached to the bearings 6, the bearings 6 are protected from contacting dust and impurities, and the inner sidewall of the kit 1 is provided with two hole cards 8 (such as block pieces), the two hole cards 8 are located outside the two dustproof rings 7 and are used to limit the dustproof rings 7 and prevent the dustproof rings 7 from moving.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A connecting and fixing device for a transmission shaft of a mine car, the connecting and fixing device is arranged on an articulated frame of the mine car, two transmission shafts (10) for driving the mine car to move are arranged on the articulated frame, characterized in that: The connecting fixing device comprises a sleeve (1) and a connecting shaft assembly movably inserted into the sleeve (1); Two ends of the connecting shaft assembly are connected with two transmission shafts (10) on the articulated vehicle frame through universal joints (9) respectively.

2. The mine truck drive shaft connecting and fixing device according to claim 1, characterized in that: The connecting shaft assembly comprises a connecting shaft (2) and a second connecting piece (3) arranged on one end of the connecting shaft (2).

3. The mine truck drive shaft connection fixture of claim 2, wherein: The connecting shaft (2) has a T-shaped cross section, and comprises a rotating shaft (21) and a first connecting piece (22).

4. The mine truck drive shaft connecting and fixing device according to claim 2, characterized in that: The second connecting piece (3) is detachably connected with the connecting shaft (2).

5. The mine truck drive shaft connection fixture of claim 4, wherein: The second connecting piece (3) is sleeved on the outer wall of the connecting shaft (2), and the connecting shaft (2) is provided with a nut (4) for fixing the second connecting piece (3). The connecting shaft (2) is provided with a gasket (5) between the nut (4) and the second connecting piece (3).

6. The mine truck drive shaft connection fixture of claim 1, wherein: The sleeve (1) comprises a mounting sleeve (101) and a fixing seat (102) arranged on the mounting sleeve (101).

7. The mine truck drive shaft connecting and fixing device according to claim 3, characterized in that: The sleeve (1) is provided with a bearing (6) for being sleeved on the outer wall of the rotating shaft (21).

8. The mine truck drive shaft connection fixture of claim 7, wherein: The bearing (6) has two, and the two bearings (6) are respectively attached to the side wall close to the first connecting piece (22) and the second connecting piece (3).

9. The mine truck drive shaft connection fixture of claim 7, wherein: The rotating shaft (21) is provided with a dustproof ring (7) outside the bearing (6).

10. The mine truck drive shaft connection fixture of claim 9, wherein: The sleeve (1) is provided with a hole card (8) for limiting the dustproof ring (7).

Images