Mining charging rack

By introducing a rolling friction design of charging base and elastic positioning wheel into the mining charging rack, combined with wear-resistant rubber ring and elastic support ring, the problem of poor contact caused by oxidation and deformation of the spring sheet is solved, achieving stable charging and extended component life.

CN224267071UActive Publication Date: 2026-05-22HEFEI DESIGN & RES INST LLC OF COAL IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEFEI DESIGN & RES INST LLC OF COAL IND
Filing Date
2025-06-09
Publication Date
2026-05-22

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    Figure CN224267071U_ABST
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Abstract

The utility model provides a mining charging rack, and belongs to the technical field of mining equipment. Comprising a charging rack body and further comprises a charging mechanism, the charging mechanism comprises a square base fixed to the side face of the charging rack body, a charging base and a charging column are fixed to the side face of the square base, and the charging column is located below the charging base. By arranging the charging base and the elastic positioning wheel, when the lamp cap is sleeved on the charging column and rotates upwards, the electrode of the lamp cap passes through the elastic positioning wheel and drives the elastic positioning wheel to rotate under the action of friction force until the lamp cap is attached to the charging base, and after the lamp cap is attached to the charging base, under the combined action of the charging base and the elastic positioning wheel, the lamp cap is fixed. When the electrode passes through the elastic positioning wheel, the elastic positioning wheel can rotate, and traditional sliding friction is converted into rolling friction, so that abrasion of the electrode to the elastic positioning wheel is reduced, and stable charging of the lamp holder is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of mining equipment technology, and in particular to a mining charging rack. Background Technology

[0002] A mining charging rack is a device used to charge mining lamps. The lamp battery is placed on the charging rack, and then the lamp head is placed on the charging post on the charging rack. The lamp head is then rotated upwards by 90 degrees so that the protruding electrode on the outer circumference of the lamp head abuts against the spring contact. The lamp is charged by the cooperation of the spring contact and the charging post. The charging post has a limiting block to limit the rotation angle of the lamp head, so as to facilitate the alignment of the protruding electrode on the lamp head with the spring contact.

[0003] In common mining charging racks, the lamp head is placed on the charging post on the rack, and then the lamp head is rotated upwards by 90 degrees so that the protruding electrode on the outer circumference of the lamp head rests against the spring contact. The lamp head is charged by the cooperation between the spring contact and the charging post. However, with the increase of use, the spring contact wears out faster due to repeated friction between the electrode and the spring contact, and is prone to surface oxidation and deformation, resulting in poor contact between the electrode and the spring contact, thus affecting the normal charging of the lamp head. Therefore, this application provides a mining charging rack to meet the requirements. Summary of the Invention

[0004] This utility model provides a mining charging rack to solve the problem that with the increase of use, the spring contacts wear out faster under repeated friction of the electrodes, and are prone to surface oxidation and deformation, resulting in poor contact between the electrodes and the spring contacts, thus affecting the normal charging of the lamp head.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A mining charging rack includes a charging rack body and further includes:

[0007] Several charging mechanisms, each charging mechanism including a square base fixed to the side of the charging frame body, a charging base and a charging column fixed to the side of the square base respectively, the charging column being located below the charging base, and an elastic positioning wheel being rotatably connected to the side of the charging base.

[0008] When charging, place the lamp head on the charging post and rotate it upwards by 90 degrees so that the electrodes of the lamp head press against the elastic positioning wheel and fit into the charging base to achieve charging.

[0009] Preferably, the charging base has a groove on its side near the bottom, and the shape of the groove is adapted to the shape of the lamp head electrode.

[0010] Preferably, a connecting plate is fixed to the side of the charging base, and an axle is fixed to the side of the connecting plate. The elastic positioning wheel includes a wheel body rotatably connected to the axle. A wheel sleeve is movably fitted onto the outer wall of the wheel body. Two elastic support rings are fixedly fitted onto the outer wall of the wheel sleeve. A wear-resistant rubber ring is fixed onto the outer wall of the elastic support ring.

[0011] Preferably, the end of the wheel body is provided with an annular groove, and a ring is fixed to the inner wall of the wheel sleeve. The ring is detachably connected to the annular groove by bolts.

[0012] Preferably, the elastic support ring is an isosceles trapezoid.

[0013] Preferably, the elastic support ring has several through holes on its side, and the through holes are distributed in a circumferential manner on the side of the elastic support ring.

[0014] Preferably, the inner wall of the wear-resistant rubber ring is fixed with a protrusion, which is located between the two rubber support rings.

[0015] Compared with the prior art, this utility model has at least the following beneficial effects:

[0016] 1. In this utility model, by setting a charging base and an elastic positioning wheel, during the process of placing the lamp head on the charging post and rotating it upwards, the electrode of the lamp head passes through the elastic positioning wheel. Under the action of friction, the elastic positioning wheel is driven to rotate until the lamp head and the charging base are in contact. After contact, under the joint action of the charging base and the elastic positioning wheel, the positioning and charging of the lamp head electrode are achieved. Moreover, when the electrode passes through the elastic positioning wheel, the elastic positioning wheel can rotate, changing the traditional sliding friction into rolling friction, thereby reducing the wear of the electrode on the elastic positioning wheel and ensuring the stable charging of the lamp head.

[0017] 2. In this utility model, by setting elastic support rings, two elastic support rings are used for the connection between the wear-resistant rubber ring and the wheel sleeve. When the electrode passes through the bottom of the elastic positioning wheel, it squeezes the wear-resistant rubber ring. The wear-resistant rubber ring changes shape at the same time, which drives the elastic support ring to change shape. After the electrode is attached to the inner wall of the groove, the elastic support ring and the wear-resistant rubber ring reset under their own elasticity, thereby stably locking the electrode and realizing the stable positioning of the electrode.

[0018] 3. In this utility model, by setting a ring, when the wear-resistant rubber ring needs to be replaced after long-term use, the bolts fixing the ring are unscrewed from the wheel body, and then the new wheel sleeve is put on the wheel body and the ring is fixed by bolts. The replacement of the wear-resistant rubber ring can be completed. The disassembly and assembly are simple, which facilitates the replacement of the wear-resistant rubber ring. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the square base of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the groove in this utility model;

[0022] Figure 4 This is a cross-sectional view of the wheel axle of this utility model;

[0023] Figure 5 This is a three-dimensional structural diagram of the protruding part of this utility model.

[0024] In the diagram: 1. Charging rack body; 2. Charging mechanism; 3. Square base; 4. Charging base; 5. Groove; 6. Axle; 7. Elastic positioning wheel; 8. Wheel sleeve; 9. Ring; 10. Wear-resistant rubber ring; 11. Protrusion; 12. Elastic support ring; 13. Through hole; 14. Wheel body; 15. Charging post; 16. Connecting plate.

[0025] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to the specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environments, and such adjustments or modifications are still included in the scope of the appended claims. Detailed Implementation

[0026] The following is a detailed description of a mining charging rack provided by this utility model, in conjunction with the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; those skilled in the art can also use other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0027] like Figures 1-5 As shown, an embodiment of this utility model provides a mining charging rack, including a charging rack body 1, and further comprising:

[0028] Several charging mechanisms 2, each charging mechanism 2 includes a square base 3 fixed to the side of the charging frame body 1, a charging seat 4 and a charging column 15 fixed to the side of the square base 3 respectively, the charging column 15 being located below the charging seat 4, and an elastic positioning wheel 7 being rotatably connected to the side of the charging seat 4.

[0029] During charging, the lamp head is placed on the charging post 15 and rotated upwards by 90 degrees, so that the electrodes of the lamp head press against the elastic positioning wheel 7 and then fit into the charging base 4 to achieve charging. By setting the charging mechanism 2, the charging post 15 provides initial positioning support for the lamp head, and the charging base 4 achieves electrical connection with the lamp head electrodes. The rotational connection design of the elastic positioning wheel 7 changes the traditional sliding friction to rolling friction when the lamp head electrodes contact the elastic positioning wheel 7, reducing the wear between the electrodes and the elastic positioning wheel 7, ensuring the stability of the charging process, and extending the service life of the components.

[0030] like Figure 3 As shown in this embodiment, a groove 5 is provided on the side of the charging base 4 near the bottom. The shape of the groove 5 is adapted to the shape of the lamp head electrode, which can achieve precise docking when the lamp head electrode is in contact with the charging base 4, ensuring good contact between the electrode and the charging base 4, and improving the reliability and stability of charging.

[0031] like Figures 2-4 As shown, in this embodiment, a connecting plate 16 is fixed to the side of the charging base 4, and an axle 6 is fixed to the side of the connecting plate 16. The elastic positioning wheel 7 includes a wheel body 14 rotatably connected to the axle 6. A wheel sleeve 8 is movably sleeved on the outer wall of the wheel body 14. Two elastic support rings 12 are fixedly sleeved on the outer wall of the wheel sleeve 8. A wear-resistant rubber ring 10 is fixed to the outer wall of the elastic support ring 12. The elastic support ring 12 is made of rubber and has elasticity. The wear-resistant rubber ring 10 is made of neoprene rubber and has good wear resistance and excellent aging resistance. Plate 16 and axle 6 provide a mounting base for elastic positioning wheel 7, ensuring its stable rotation. Two elastic support rings 12 connect wear-resistant rubber ring 10 and wheel sleeve 8. When the electrode squeezes the wear-resistant rubber ring 10, the elastic support ring 12 deforms accordingly. After the electrode is in contact with the inner wall of the groove 5, it relies on its own elasticity to reset and firmly clamp the electrode, achieving stable positioning of the electrode. This ensures that the electrode position is fixed during charging and avoids poor contact. The wear-resistant rubber ring 10 has good wear resistance, which can effectively reduce the wear of the electrode on the elastic positioning wheel 7.

[0032] like Figure 4 As shown in this embodiment, an annular groove is provided at the end of the wheel body 14, and a ring 9 is fixed on the inner wall of the wheel sleeve 8. The ring 9 is detachably connected to the annular groove by bolts. The bolt connection structure between the annular groove of the wheel body 14 and the ring 9 on the inner wall of the wheel sleeve 8 makes it possible to remove the wheel sleeve 8 and the wear-resistant rubber ring 10 as a whole by simply unscrewing the bolts after long-term use when the wear-resistant rubber ring 10 is worn. Then, a new wheel sleeve 8 is put on and the ring 9 is fixed, which can complete the replacement of the wear-resistant rubber ring 10. The disassembly and assembly process is simple and convenient, which greatly improves the replacement efficiency of the wear-resistant rubber ring 10.

[0033] like Figure 4As shown in this embodiment, the elastic support ring 12 is an isosceles trapezoid, and the inner ring thickness of the elastic support ring 12 is greater than the outer ring thickness. Designing the cross-section of the elastic support ring 12 as an isosceles trapezoid can provide stable support force, ensuring that the wear-resistant rubber ring 10 maintains stable deformation and reset when subjected to electrode compression, thus ensuring the positioning effect of the electrode.

[0034] like Figure 4 As shown in this embodiment, the elastic support ring 12 has several through holes 13 on its side. The several through holes 13 are distributed in a circular pattern on the side of the elastic support ring 12. The circular distribution of through holes 13 on the side of the elastic support ring 12 further optimizes the stress distribution of the elastic support ring 12, reduces stress concentration, and lowers the risk of cracking of the elastic support ring 12.

[0035] like Figure 4 and Figure 5 As shown, in this embodiment, a protrusion 11 is fixed on the inner wall of the wear-resistant rubber ring 10. The protrusion 11 is located between two rubber support rings. The protrusion 11 on the inner wall of the wear-resistant rubber ring 10 can further improve the elasticity of the wear-resistant rubber ring 10 at the corresponding electrode. During the process of the electrode and the charging base 4 being attached, the protrusion 11 provides a greater clamping force, enhances the positioning effect of the electrode, and makes the electrode more stable during the charging process.

[0036] Working principle: During charging, the operator places the lamp head on the charging post 15 and rotates it upwards by 90 degrees. During this process, the lamp head electrode first contacts the wear-resistant rubber ring 10 of the elastic positioning wheel 7. The friction between the electrode and the wear-resistant rubber ring 10 drives the wheel sleeve 8 to rotate the wheel body 14 around the wheel axle 6, converting sliding friction into rolling friction and reducing wear. As the lamp head continues to rotate, the electrode rotates along the surface of the elastic positioning wheel 7 to the charging base 4 and fits against the inner wall of the groove 5, achieving electrical connection. The lamp head is charged by the cooperation of the charging post 15 and the charging base 4.

[0037] The wear-resistant rubber ring 10 deforms under the pressure of the electrode, which causes the elastic support ring 12 to deform synchronously. After the electrode is in contact with the groove 5, the elastic support ring 12 and the wear-resistant rubber ring 10 rely on their own elasticity to reset and firmly clamp the electrode, ensuring that the electrode position is fixed during the charging process and avoiding poor contact.

[0038] The groove 5 on the side of the charging base 4 is adapted to the shape of the lamp head electrode to ensure precise docking. The wheel body 14 of the elastic positioning wheel 7 and the wheel sleeve 8 are detachably connected by the ring 9 and bolts. When the wear-resistant rubber ring 10 wears out due to long-term use, the wheel sleeve 8 and the wear-resistant rubber ring 10 can be quickly replaced by simply unscrewing the bolts. In addition, the elastic support ring 12 is designed as an isosceles trapezoid with through holes 13, which can not only provide stable support for the wear-resistant rubber ring 10, but also prevent stress concentration inside the elastic support ring 12 from causing cracks. The arc-shaped protrusion 11 on the inner wall of the wear-resistant rubber ring 10 can further improve the elasticity of the wear-resistant rubber ring 10 at the corresponding electrode, thereby further improving the positioning stability of the electrode.

[0039] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A mining charging rack, comprising a charging rack body (1), characterized in that, Also includes: Several charging mechanisms (2) are provided. Each charging mechanism (2) includes a square base (3) fixed to the side of the charging frame body (1). A charging seat (4) and a charging column (15) are fixed to the side of the square base (3). The charging column (15) is located below the charging seat (4), and the side of the charging seat (4) is rotatably connected to an elastic positioning wheel (7). During charging, the lamp head is placed on the charging post (15) and rotated upwards by 90 degrees, so that the electrodes of the lamp head press against the elastic positioning wheel (7) and then fit into the charging base (4) to achieve charging.

2. The mining charging rack according to claim 1, characterized in that, The charging base (4) has a groove (5) on its side near the bottom, and the shape of the groove (5) is adapted to the shape of the lamp head electrode.

3. The mining charging rack according to claim 1, characterized in that, The charging base (4) has a connecting plate (16) fixed on its side, and a wheel axle (6) fixed on the side of the connecting plate (16). The elastic positioning wheel (7) includes a wheel body (14) rotatably connected to the wheel axle (6). A wheel sleeve (8) is movably sleeved on the outer wall of the wheel body (14). Two elastic support rings (12) are fixedly sleeved on the outer wall of the wheel sleeve (8). A wear-resistant rubber ring (10) is fixed on the outer wall of the elastic support ring (12).

4. The mining charging rack according to claim 3, characterized in that, The end of the wheel body (14) is provided with an annular groove, and the inner wall of the wheel sleeve (8) is fixed with a ring (9), which is detachably connected to the annular groove by bolts.

5. The mining charging rack according to claim 3, characterized in that, The elastic support ring (12) is an isosceles trapezoid.

6. The mining charging rack according to claim 5, characterized in that, The elastic support ring (12) has several through holes (13) on its side, and the several through holes (13) are distributed in a circular pattern on the side of the elastic support ring (12).

7. The mining charging rack according to claim 3, characterized in that, The inner wall of the wear-resistant rubber ring (10) is fixed with a protrusion (11), which is located between two rubber support rings.