Wear-resistant end beam wheel assembly

Abstract

The utility model discloses a wear-resistant end beam wheel assembly, relates to the field of end beam wheel assemblies, and aims to solve the problems that in the prior art, a bearing and a walking box in an existing end beam wheel are in rigid connection, no buffering exists between the bearing and the walking box, vibration exists when an end beam walks, and the bearing is prone to being damaged after long-time use. A wear-resistant wheel is rotatably connected to the middle of the interior of the walking box, a main shaft is fixedly connected to the middle of the wear-resistant wheel, damping assemblies are connected to the front end and the rear end of the main shaft in the walking box, bearing grooves are formed in the damping assemblies, and roller bearings are connected into the bearing grooves in a limiting mode; a steel plate spring assembly is connected to the upper end of the damping assembly, connecting lugs are arranged on the two sides of the steel plate spring assembly, and the middle of the steel plate spring assembly is fixed through a fixing rod.

Description

Technical Field

[0001] The utility model relates to the field of end beam wheel assemblies, in particular to a wear-resistant end beam wheel assembly. Background Art

[0002] The end beam is a structural component of the overhead crane and bridge crane. The end beam wheel is also called the wheel, which is an important part of the crane end beam. Its main function is to support and transfer the weight of the crane wheel and maintain the contact between the wheel and the track. The crane end beam wheel is usually composed of the wheel body, rim, axle, bearing and other parts. Among them, the rim is the surface responsible for contact with the track, and its size parameters are crucial.

[0003] In the existing end beam wheels, the bearing and the travel box are rigidly connected, and there is no buffer between the bearing and the travel box. There is vibration when the end beam is traveling, and the bearing is easily damaged after long-term use. Therefore, the market urgently needs to develop a wear-resistant end beam wheel assembly to help people solve the existing problems. Utility Model Content

[0004] The purpose of the utility model is to provide a wear-resistant end beam wheel assembly to solve the problems proposed in the above background technology that the bearing and the travel box in the existing end beam wheel are rigidly connected, there is no buffer between the bearing and the travel box, there is vibration when the end beam is traveling, and the bearing is easily damaged after long-term use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant end beam wheel assembly, comprising a traveling box, a wear-resistant wheel is rotatably connected to the middle part of the traveling box, a main shaft is fixedly connected to the middle part of the wear-resistant wheel, the front and rear ends of the main shaft are connected to a shock absorbing assembly inside the traveling box, a bearing groove is provided inside the shock absorbing assembly, a roller bearing is limit-connected in the bearing groove, a leaf spring assembly is connected to the upper end of the shock absorbing assembly, connecting ears are provided on both sides of the leaf spring assembly, and the middle part of the leaf spring assembly is fixed by a fixing rod.

[0006] Preferably, both sides of the middle of the front and rear end surfaces inside the walking box are fixedly connected to limiting members, a rectangular limiting slot is provided on one side of the limiting member, and both the front and rear ends of the shock absorbing assembly are fixedly connected to rectangular limiting parts.

[0007] Preferably, the front and rear ends of the shock absorbing assembly are respectively inserted into the rectangular limiting sliding grooves on the two limiting members.

[0008] Preferably, a rectangular groove is provided in the middle of the upper end of the shock absorbing assembly, and the lower end of the leaf spring assembly is affixed to the upper end of the shock absorbing assembly and the rod cap at the lower end of the fixing rod is inserted into the rectangular groove.

[0009] Preferably, support rods are fixedly connected to both sides of the upper end between the front and rear end surfaces of the traveling box, and the two support rods pass through the middle of the two connecting ears on the leaf spring assembly respectively.

[0010] Preferably, a connecting opening is provided in the middle of the front end surface of the traveling box, a sealing cover is fixedly connected to the middle of the rear end of the shock absorbing assembly at the rear end, and a circular opening is provided in the middle of the front end of the shock absorbing assembly at the front end.

[0011] Preferably, the front and rear ends of the main shaft are respectively inserted into the middle of the roller bearings inside the two shock absorbing components, and the front end of the main shaft passes through the middle of the roller bearing, the circular opening and the connecting opening on the travel box in sequence to be connected to the external drive device.

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

[0013] 1. In the utility model, through the arrangement of the leaf spring assembly, the upper end of the shock absorbing assembly is connected to the leaf spring assembly, and support rods are fixedly connected to both sides of the upper end between the front and rear end surfaces inside the walking box, and the two support rods respectively pass through the middle of the two connecting ears on the leaf spring assembly. The leaf spring assembly is supported by the two support rods, and when the roller bearing vibrates up and down, it is buffered by the leaf spring assembly.

[0014] 2. In the utility model, through the setting of the limiter, both sides of the middle of the front and rear end surfaces inside the walking box are fixedly connected with the limiter, a rectangular limiter slide groove is set on one side of the limiter, and the front and rear ends of the shock absorbing assembly are fixedly connected with rectangular limit parts, and the front and rear ends of the shock absorbing assembly are respectively inserted into the rectangular limiter slide grooves on the two limiters, so that the shock absorbing assembly can move up and down on the two limiters and keep the shock absorbing assembly stable inside the walking box.

[0015] 3. In the utility model, a rectangular groove is provided in the middle of the upper end of the shock absorbing assembly through the setting of the rectangular groove, the lower end of the leaf spring assembly is fitted with the upper end of the shock absorbing assembly and the rod cap at the lower end of the fixing rod is inserted into the rectangular groove, so that the rod cap at the lower end of the fixing rod will not affect the fitting between the lower end of the leaf spring assembly and the upper end of the shock absorbing assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a wear-resistant end beam wheel assembly of the utility model;

[0017] Figure 2 It is the main sectional view of the utility model;

[0018] Figure 3 It is a side sectional view of the utility model;

[0019] Figure 4 It is an enlarged view of the detail A of the present utility model.

[0020] In the figure: 1. Travel box; 101. Connecting opening; 102. Support rod; 103. Bolt hole; 2. Wear-resistant wheel; 201. Main shaft; 3. Shock absorber assembly; 301. Bearing groove; 302. Roller bearing; 303. Sealing cover; 304. Circular opening; 305. Rectangular limiting part; 306. Rectangular groove; 4. Limiting piece; 401. Rectangular limiting slide groove; 5. Leaf spring assembly; 501. Connecting ear; 502. Fixing rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: a wear-resistant end beam wheel assembly, including a walking box 1, a wear-resistant wheel 2 is rotatably connected to the middle part of the walking box 1, a main shaft 201 is fixedly connected to the middle part of the wear-resistant wheel 2, and a shock absorbing assembly 3 is connected to the front and rear ends of the main shaft 201 inside the walking box 1, a bearing groove 301 is arranged inside the shock absorbing assembly 3, a roller bearing 302 is limit-connected in the bearing groove 301, a leaf spring assembly 5 is connected to the upper end of the shock absorbing assembly 3, connecting ears 501 are arranged on both sides of the leaf spring assembly 5, and the middle part of the leaf spring assembly 5 is fixed by a fixing rod 502.

[0023] Furthermore, both sides of the middle of the front and rear end surfaces inside the walking box 1 are fixedly connected with limiting members 4, one side of the limiting member 4 is provided with a rectangular limiting slot 401, and both the front and rear ends of the shock absorbing assembly 3 are fixedly connected with rectangular limiting parts 305.

[0024] Furthermore, the front and rear ends of the shock absorbing assembly 3 are respectively inserted into the rectangular limiting slide grooves 401 on the two limiting members 4, so that the shock absorbing assembly 3 can move up and down on the two limiting members 4 and keep the shock absorbing assembly stable inside the walking box.

[0025] Furthermore, a rectangular groove 306 is provided in the middle of the upper end of the shock absorbing assembly 3, and the lower end of the leaf spring assembly 5 is fitted with the upper end of the shock absorbing assembly 3 and the lower end cap of the fixing rod 502 is inserted into the rectangular groove 306, so that the lower end cap of the fixing rod will not affect the fitting of the lower end of the leaf spring assembly with the upper end of the shock absorbing assembly.

[0026] Furthermore, support rods 102 are fixedly connected to both sides of the upper end between the front and rear end surfaces inside the walking box 1. The two support rods 102 respectively pass through the middle of the two connecting ears 501 on the leaf spring assembly 5, and the leaf spring assembly 5 is supported by the two support rods 102.

[0027] Furthermore, a connecting opening 101 is provided in the middle of the front end face of the walking box 1, a sealing cover 303 is fixedly connected to the middle of the rear end of the rear shock absorbing assembly 3, and a circular opening 304 is provided in the middle of the front end of the front shock absorbing assembly 3. The sealing cover 303 is used to seal one side of the roller bearing 302 to prevent dust from entering the roller bearing 302 and causing wear.

[0028] Furthermore, the front and rear ends of the main shaft 201 are respectively inserted into the middle of the roller bearings 302 inside the two shock absorbing components 3, and the front end of the main shaft 201 passes through the middle of the roller bearing 302, the circular opening 304 and the connecting opening 101 on the walking box 1 in sequence to be connected to the external driving device, and the main shaft 201 is driven to rotate by the driving device, thereby driving the wear-resistant wheel 2 to rotate.

[0029] Working principle: When in use, the middle part of the walking box 1 is rotatably connected with the wear-resistant wheel 2, the middle part of the wear-resistant wheel 2 is fixedly connected with the main shaft 201, the front and rear ends of the main shaft 201 are connected with the shock-absorbing assembly 3 inside the walking box 1, the two sides of the middle part of the front and rear end surfaces inside the walking box 1 are fixedly connected with the limiting members 4, one side of the limiting member 4 is provided with a rectangular limiting groove 401, the front and rear ends of the shock-absorbing assembly 3 are fixedly connected with rectangular limiting parts 305, the front and rear ends of the shock-absorbing assembly 3 are respectively inserted into the two rectangular limiting grooves 401 on the two limiting members 4, so that the shock-absorbing assembly 3 can move up and down between the two limiting members 4, a bearing groove 301 is provided inside the shock-absorbing assembly 3, and a roller bearing 302 is limitedly connected in the bearing groove 301, a connecting opening 101 is provided in the middle of the front end surface of the walking box 1, a sealing cover 303 is fixedly connected to the middle of the rear end of the rear end shock-absorbing assembly 3, and a The circular opening 304 is sealed on one side of the roller bearing 302 by a sealing cover 303 to prevent dust from entering the roller bearing 302 and causing wear. The front and rear ends of the main shaft 201 are respectively inserted into the middle of the roller bearings 302 inside the two shock absorbing components 3. The front end of the main shaft 201 passes through the middle of the roller bearing 302, the circular opening 304 and the connecting opening 101 on the walking box 1 in sequence to be connected to the external driving device. The main shaft 201 is driven to rotate by the driving device, and then the wear-resistant wheel 2 is driven to rotate. The upper end of the shock absorbing component 3 is connected to a leaf spring component 5. Support rods 102 are fixedly connected to both sides of the upper end between the front and rear end surfaces inside the walking box 1. The two support rods 102 respectively pass through the middle of the two connecting ears 501 on the leaf spring component 5. The leaf spring component 5 is supported by the two support rods 102. When the roller bearing 302 vibrates up and down, it is buffered by the leaf spring component 5.

[0030] 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.

Claims

1. A wear-resistant end beam wheel assembly, comprising a travel box (1), characterized in that: A wear-resistant wheel (2) is rotatably connected to the middle of the travel box (1), a main shaft (201) is fixedly connected to the middle of the wear-resistant wheel (2), front and rear ends of the main shaft (201) are connected to a shock-absorbing assembly (3) inside the travel box (1), a bearing groove (301) is provided inside the shock-absorbing assembly (3), a roller bearing (302) is limit-connected inside the bearing groove (301), a leaf spring assembly (5) is connected to the upper end of the shock-absorbing assembly (3), connecting ears (501) are provided on both sides of the leaf spring assembly (5), and the middle of the leaf spring assembly (5) is fixed by a fixing rod (502).

2. A wear-resistant end beam wheel assembly according to claim 1, characterized in that: The middle parts of the front and rear end surfaces of the traveling box (1) are both fixedly connected to limiting members (4), one side of the limiting member (4) is provided with a rectangular limiting slot (401), and the front and rear ends of the shock absorbing assembly (3) are both fixedly connected to rectangular limiting portions (305).

3. The wear-resistant end beam wheel assembly according to claim 1, characterized in that: The front and rear ends of the shock absorbing assembly (3) are respectively inserted into the interior of the rectangular limiting sliding grooves (401) on the two limiting members (4).

4. The wear-resistant end beam wheel assembly according to claim 1, characterized in that: A rectangular groove (306) is provided in the middle of the upper end of the shock absorbing assembly (3); the lower end of the leaf spring assembly (5) is abutted against the upper end of the shock absorbing assembly (3) and the rod cap at the lower end of the fixing rod (502) is inserted into the rectangular groove (306).

5. The wear-resistant end beam wheel assembly according to claim 1, characterized in that: Support rods (102) are fixedly connected to both sides of the upper end between the front and rear end surfaces inside the walking box (1), and the two support rods (102) respectively pass through the middle parts of the two connecting ears (501) on the leaf spring assembly (5).

6. The wear-resistant end beam wheel assembly according to claim 1, characterized in that: A connecting opening (101) is provided in the middle of the front end surface of the traveling box (1), a sealing cover (303) is fixedly connected to the middle of the rear end of the shock absorbing assembly (3), and a circular opening (304) is provided in the middle of the front end of the shock absorbing assembly (3).

7. A wear-resistant end beam wheel assembly according to claim 6, characterized in that: The front and rear ends of the main shaft (201) are respectively inserted into the middle of the roller bearings (302) inside the two shock absorbing components (3), and the front end of the main shaft (201) passes through the middle of the roller bearings (302), the circular opening (304) and the connecting opening (101) on the travel box (1) in sequence to be connected to the external drive device.

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