Wheel structure of explosion-proof crane

Abstract

The utility model discloses a wheel structure of an explosion-proof crane, which belongs to the technical field of explosion-proof cranes and comprises a wheel axle, a second key is arranged on the left side of the front of the wheel axle, a first key is arranged on the wheel axle, a wheel body is arranged on the first key, and two groups of bearings are sleeved on the outer side of the wheel axle. The two bearings are located on the left side and the right side of the wheel body correspondingly, the outer sides of the two bearings are each sleeved with a bearing pedestal, the sides, away from each other, of the two bearing pedestals are each provided with two second bolts, a blank cap is arranged on the right side of the bearing pedestal on the right side, and a through cover is arranged on the left side of the bearing pedestal on the left side. According to the wheel structure of the explosion-proof crane, the problems that the wheel structure and the wheel body of an existing explosion-proof crane are of a complete machine type, because the wheel of the explosion-proof crane needs a spark-free wheel, the manufacturing cost is very high, the service life of the wheel is prolonged, and the service life of the explosion-proof crane is prolonged are solved. And a traditional forged wheel is low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof cranes, in particular to a wheel structure of an explosion-proof crane. Background Technique

[0002] Among the various components of an explosion-proof crane, the wheel device is one of the important components. The wheels are used to receive power, support the main structure, and realize the walking movement of the main structure and the trolley mechanism.

[0003] In the existing wheel structure of an explosion-proof crane, the wheel body is of an integral type. Since the wheels of an explosion-proof crane need to be non-sparking wheels, the manufacturing cost is very high, while the cost of traditional forging wheels is relatively low. Content of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and the title of the utility model, to avoid obscuring the purpose of this part, the abstract, and the title. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a wheel structure of an explosion-proof crane, which can solve the problem that in the existing wheel structure of an explosion-proof crane, the wheel body is of an integral type, and due to the need for non-sparking wheels for explosion-proof crane wheels, the manufacturing cost is very high, while the cost of traditional forging wheels is relatively low.

[0006] To solve the above technical problems, the utility model provides a wheel structure of an explosion-proof crane, adopting the following technical scheme: including a wheel shaft, a second key is arranged on the front left side of the wheel shaft, a first key is arranged on the wheel shaft, a wheel body is arranged on the first key, two groups of bearings are sleeved outside the wheel shaft, and the two groups of bearings are respectively located on the left and right sides of the wheel body. Bearing seats are sleeved outside the two groups of bearings. Two groups of second bolts are arranged on the mutually remote sides of the two groups of bearing seats. A blind cover is arranged on the right side of the right bearing seat, and a through cover is arranged on the left side of the left bearing seat. Sleeve barrels are arranged on the sides of the two groups of bearings close to the wheel body, and the two groups of sleeve barrels are sleeved outside the wheel shaft. Baffles are arranged on the upper and lower sides of the two groups of sleeve barrels. Fixing screws are inserted into the four groups of baffles. The two groups of fixing screws on the left are inserted into the left bearing seat, and the two groups of fixing screws on the right are inserted into the right bearing seat. Two groups of second bolts are screwed on the two groups of bearing seats.

[0007] Optionally, the wheel body includes a wheel base body, a wheel sleeve is sleeved outside the wheel base body, and vehicle body screws are arranged on the upper and lower sides of the wheel base body.

[0008] By adopting the above technical solution, when preheating the wheel, identify the reference surface of the wheel, hoist the wheel shaft, calibrate and install it at one time. The shaft shoulder should be tightly attached to the end face of the wheel, and the side of the driving wheel group with the base surface marking line should be installed on the opposite side of the coupling shaft head.

[0009] Optionally, the wheel body is adapted to the wheel shaft.

[0010] By adopting the above technical solution, the wheel body is installed.

[0011] Optionally, it further includes a first bolt. A first washer is sleeved on the side of the first bolt close to the bearing seat, and a second washer is sleeved on the side of the second bolt close to the bearing seat.

[0012] By adopting the above technical solution, the bolt is protected.

[0013] Optionally, a first threaded groove adapted to the first bolt is provided on the bearing seat, and the first bolt is screwed into the first threaded groove.

[0014] By adopting the above technical solution, the first bolt is installed and fixed.

[0015] Optionally, a second threaded groove adapted to the second bolt is provided on the bearing seat, the second bolt is screwed into the second threaded groove, and a fixing hole adapted to the second bolt is provided on the cover. The second bolt penetrates through the fixing hole.

[0016] By adopting the above technical solution, the second bolt is installed and fixed.

[0017] In summary, the present utility model includes at least one of the following beneficial effects: After the wheel sleeve and the wheel body are hot-fitted, they are fixed with a set screw to form a wheel body device, which has a lower cost compared with the traditional integral wheel, and can be customized and standardized according to the production process, improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic side sectional structural diagram of the present utility model;

[0021] Figure 3 is Figure 2Schematic diagram of the enlarged structure of part A;

[0022] Figure 4 This is a schematic cross-sectional structure diagram of the wheel body of the present utility model.

[0023] Explanation of reference numerals: 1, blind cover; 2, bearing; 3, bearing seat; 301, first thread groove; 302, second thread groove; 4, baffle; 5, fixing screw; 6, sleeve; 7, wheel body; 701, wheel sleeve; 702, wheel base; 703, vehicle body screw; 8, first key; 9, first bolt; 10, first washer; 11, second bolt; 12, second washer; 13, through cover; 131, fixing hole; 132, connecting hole; 14, second key; 15, wheel shaft. Specific implementation mode

[0024] The following will further elaborate on the present utility model in conjunction with the attached Figures 1-4 drawings.

[0025] Example 1. Referring to Figures 1-4 In this example, in order to solve the problem of the wheel structure of the existing explosion-proof crane, the wheel body is of an integral type. Since the wheels of the explosion-proof crane need to be non-sparking wheels, the manufacturing cost is very high, while the cost of traditional forged wheels is relatively high. The present utility model discloses a wheel structure of an explosion-proof crane,

[0026] which includes a wheel shaft 15. A second key 14 is provided on the front left side of the wheel shaft 15. A first key 8 is provided on the wheel shaft 15. A wheel body 7 is provided on the first key 8. Two sets of bearings 2 are sleeved on the outer side of the wheel shaft 15. The two sets of bearings 2 are respectively located on the left and right sides of the wheel body 7. Two sets of bearing seats 3 are sleeved on the outer sides of the two sets of bearings 2. Two sets of second bolts 11 are provided on the mutually remote sides of the two sets of bearing seats 3. A blind cover 1 is provided on the right side of the right bearing seat 3. A through cover 13 is provided on the left side of the left bearing seat 3. Two sets of sleeves 6 are provided on the sides of the two sets of bearings 2 close to the wheel body 7. The two sets of sleeves 6 are both sleeved on the outer side of the wheel shaft 15. Baffles 4 are provided on the upper and lower sides of the two sets of sleeves 6. Fixing screws 5 are inserted into the four sets of baffles 4. The two left fixing screws 5 are inserted into the left bearing seat 3, and the two right fixing screws 5 are inserted into the right bearing seat 3. Two sets of second bolts 11 are screwed onto the two sets of bearing seats 3.

[0027] The specific working principle is as follows: The wheel body 7 is a component composed of a wheel sleeve 701, a wheel base 702, and a screw 703. The wheel base 702 and the wheel sleeve 701 are heated and assembled. There is a stop at one place, and the other side is fixed with a set screw, which can improve the integrity of the wheel. The rest of the accessories can be designed to be standardized, which is convenient for replacement and improves production efficiency.

[0028] It should be additionally explained that the wheel body 7 includes a wheel base 702 , a wheel cover 701 is sleeved on the outer side of the wheel base 702 , and body screws 703 are provided on both the upper and lower sides of the wheel base 702 .

[0029] When adopting the above technical solution, identify the wheel reference surface when preheating the wheel, hoist the wheel axle, calibrate and install it all at once, the axle shoulder should be close to the wheel end face, and the side of the active wheel group with the base surface mark should be installed on the opposite side of the coupling shaft head.

[0030] It should be additionally explained that the wheel body 7 is matched with the wheel axle 15 .

[0031] The wheel body is installed by adopting the above technical solution.

[0032] It should be additionally explained that the first bolt 9 is further included. A first washer 10 is sleeved on a side of the first bolt 9 close to the bearing seat 3 , and a second washer 12 is sleeved on a side of the second bolt 11 close to the bearing seat 3 .

[0033] The bolts are protected by adopting the technical solution.

[0034] It should be additionally explained that a first thread groove 301 matched with the first bolt 9 is formed on the bearing seat 3 , and the first bolt 9 is screwed into the first thread groove 301 .

[0035] The above technical solution is adopted to install and fix the first bolt.

[0036] It should be noted that a second thread groove 302 compatible with the second bolt 11 is formed on the bearing seat 3, and the second bolt 11 is screwed into the second thread groove 302. A fixing hole 131 compatible with the second bolt 11 is formed on the through cover 13, and the second bolt 11 passes through the fixing hole 131.

[0037] The second bolt is installed and fixed by adopting the above technical solution.

[0038] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheel structure of an explosion-proof crane, comprising a wheel shaft (15), characterized in that: A second key (14) is provided on the front left side of the wheel shaft (15). A first key (8) is provided on the wheel shaft (15). A wheel body (7) is provided on the first key (8). Two sets of bearings (2) are sleeved outside the wheel shaft (15). The two sets of bearings (2) are respectively located on the left and right sides of the wheel body (7). Bearing seats (3) are sleeved outside the two sets of bearings (2). Two sets of second bolts (11) are provided on the mutually remote sides of the two sets of bearing seats (3). A blind cover (1) is provided on the right side of the right bearing seat (3). A through cover (13) is provided on the left side of the left bearing seat (3). Sleeves (6) are provided on the sides of the two sets of bearings (2) close to the wheel body (7). The two sets of sleeves (6) are sleeved outside the wheel shaft (15). Baffles (4) are provided on the upper and lower sides of the two sets of sleeves (6). Fixing screws (5) are inserted into the four sets of baffles (4). The two sets of fixing screws (5) on the left are inserted into the left bearing seat (3), and the two sets of fixing screws (5) on the right are inserted into the right bearing seat (3). Two sets of second bolts (11) are screwed onto the two sets of bearing seats (3).

2. The wheel structure of an explosion-proof crane according to claim 1, characterized in that: The wheel body (7) includes a wheel base body (702). A wheel sleeve (701) is sleeved outside the wheel base body (702). Body screws (703) are provided on the upper and lower sides of the wheel base body (702).

3. The wheel structure of an explosion-proof crane according to claim 1, characterized in that: The wheel body (7) is adapted to the wheel shaft (15).

4. The wheel structure of an explosion-proof crane according to claim 1, characterized in that: It further includes a first bolt (9). A first washer (10) is sleeved on the side of the first bolt (9) close to the bearing seat (3). A second washer (12) is sleeved on the side of the second bolt (11) close to the bearing seat (3).

5. The wheel structure of an explosion-proof crane according to claim 4, characterized in that: A first thread groove (301) adapted to the first bolt (9) is formed on the bearing seat (3). The first bolt (9) is screwed into the first thread groove (301).

6. The wheel structure of an explosion-proof crane according to claim 1, characterized in that: A second thread groove (302) adapted to the second bolt (11) is formed on the bearing seat (3). The second bolt (11) is screwed into the second thread groove (302). A fixing hole (131) adapted to the second bolt (11) is formed on the through cover (13). The second bolt (11) penetrates through the fixing hole (131).

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