Traction rope wheel structure for anchor rod trolley

Abstract

The utility model provides a traction rope wheel structure for an anchor rod trolley, which comprises a mounting base, inclined wheel shaft mounting holes are symmetrically arranged at two ends of the mounting base, wheel shafts are fixedly mounted in the wheel shaft mounting holes, a bottom box and a bearing are sequentially sleeved on the wheel shafts from bottom to top, a traction rope wheel is sleeved outside the bearing, and the traction rope wheel is sleeved outside the traction rope wheel. A bottom sealing groove is machined in the bottom end face of the traction rope wheel, a bottom sealing ring is installed at the position of the bottom sealing groove, and the bottom end face of the bottom sealing ring makes contact with the top end face of the bottom box. An annular top sealing groove is machined in the upper portion of the traction rope wheel, a top sealing ring used for being in contact fit with the wheel shaft is arranged at the position where the top sealing groove is located, and a cover plate structure is arranged at the top of the wheel shaft. According to the traction rope wheel structure, the wheel shaft of the traction rope wheel is reliably sealed by adopting a double-sealing structure, so that water and dust are effectively prevented from entering the wheel shaft, excessive abrasion of the wheel shaft is avoided, and the service life of the traction rope wheel is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of rock drilling trolleys, in particular to a traction rope wheel structure used for an anchor rod trolley. Background Art

[0002] The propulsion beam of the rock drilling trolley needs to be propelled and pulled by the traction rope. The traction rope needs to pass through the traction rope wheel to provide traction. The traction rope wheel is installed on the slide rail of the propulsion beam through the sliding seat. Since the working environment of the anchor trolley is mainly underground, the working environment is relatively harsh, there will be a lot of dust, and water needs to be added during the operation, which makes it easy for dust and water to enter the axle of the traction rope wheel, which leads to premature wear of the axle bearing and damage to the traction rope wheel. Utility Model Content

[0003] In order to solve the current technical problems, the main purpose of the utility model is to provide a traction sheave structure for an anchor trolley. This traction sheave structure adopts a double sealing structure to reliably seal the wheel axle of the traction sheave, thereby effectively preventing water and dust from entering the inside of the wheel axle, avoiding excessive wear of the wheel axle, and effectively extending the service life of the traction sheave.

[0004] In order to realize the above-mentioned technical features, the purpose of the utility model is achieved as follows: a traction sheave structure for an anchor trolley, comprising a mounting base, symmetrically arranged oblique wheel axle mounting holes at both ends of the mounting base, a wheel axle fixedly installed inside the wheel axle mounting hole, a bottom box and a bearing are sequentially mounted on the wheel axle from bottom to top, a traction sheave is mounted on the outside of the bearing, a bottom sealing groove is machined on the bottom end face of the traction sheave, a bottom sealing ring is installed at the position where the bottom sealing groove is located, and the bottom end face of the bottom sealing ring is in contact with the top end face of the bottom box; a ring-shaped top sealing groove is machined on the upper part of the traction sheave, a top sealing ring for contacting and cooperating with the wheel axle is arranged at the position where the top sealing groove is located, and a cover plate structure is provided on the top of the wheel axle.

[0005] The mounting base is processed with symmetrically arranged longitudinal through holes, the bottom center of the mounting base is processed with a base groove, and two sides of the base groove are symmetrically provided with multiple groups of threaded holes.

[0006] A communicating hole is arranged on the mounting base and located at the bottom end of the wheel axle mounting hole.

[0007] A central oil hole is arranged at the central part of the wheel shaft, the central oil hole is connected with radial holes, the radial holes are connected with external bearings, and the central oil hole is connected with a lubricating oil pipe.

[0008] The cover plate structure comprises a top cover plate, and the top cover plate is fixed to the top end of the wheel axle by means of set screws.

[0009] The bottom sealing ring and the top sealing ring are both lip sealing rings.

[0010] The utility model has the following beneficial effects:

[0011] 1. The traction sheave structure of the utility model adopts a double sealing structure to reliably seal the wheel axle of the traction sheave, thereby effectively preventing water and dust from entering the inside of the wheel axle, avoiding excessive wear of the wheel axle, and effectively extending the service life of the traction sheave.

[0012] 2. The above-mentioned connecting hole facilitates the subsequent connection of the oil pipe, thereby injecting lubricating oil into the inside of the wheel axle and lubricating the bearing with the lubricating oil.

[0013] 3. The central oil hole is conveniently connected to the lubricating oil pipe, and oil is then supplied to the radial holes through the central oil hole, thereby achieving the purpose of oil supply and lubrication of the bearing.

[0014] 4. The above-mentioned top cover plate can be used to provide a certain protective effect on the top of the traction sheave, effectively preventing water from directly entering the axle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is the front view of the utility model.

[0017] Figure 2 It is a three-dimensional diagram from the first perspective of the present invention.

[0018] Figure 3 It is a three-dimensional diagram from the second viewing angle of the present utility model.

[0019] Figure 4 It is a three-dimensional diagram from the third viewing angle of the present invention.

[0020] Figure 5 It is a top view of the utility model.

[0021] Figure 6 The utility model Figure 5 Medium AA view.

[0022] In the figure: set screw 1, top cover plate 2, axle 3, traction rope pulley 4, bottom box 5, longitudinal through hole 6, mounting base 7, axle mounting hole 8, threaded hole 9, base groove 10, center oil hole 11, connecting hole 12, bottom sealing ring 13, bottom sealing groove 14, bearing 15, top sealing groove 16, top sealing ring 17, radial hole 18. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.

[0024] Embodiment 1:

[0025] See also Figure 1-6 A traction sheave structure for an anchor trolley includes a mounting base 7, and the two ends of the mounting base 7 are symmetrically provided with inclined axle mounting holes 8, and the inside of the axle mounting hole 8 is fixedly provided with an axle 3, and the axle 3 is sequentially provided with a bottom box 5 and a bearing 15 from bottom to top, and the outside of the bearing 15 is provided with a traction sheave 4, and the bottom end surface of the traction sheave 4 is processed with a bottom sealing groove 14, and the bottom sealing ring 13 is installed at the position where the bottom sealing groove 14 is located, and the bottom end surface of the bottom sealing ring 13 contacts the top end surface of the bottom box 5; the upper part of the traction sheave 4 is processed with an annular top sealing groove 16, and the top sealing ring 17 for contacting and cooperating with the axle 3 is arranged at the position where the top sealing groove 16 is located, and a cover plate structure is arranged at the top of the axle 3. This traction sheave structure reliably seals the axle of the traction sheave by adopting a double sealing structure, thereby effectively preventing water and dust from entering the inside of the axle, avoiding excessive wear of the axle, and effectively extending the service life of the traction sheave. During the specific working process, the traction rope is passed around the traction rope wheel 4, and then the traction rope drives the traction rope wheel 4 to rotate smoothly. During the rotation process, the double sealing of the bottom sealing ring 13 and the top sealing ring 17 has a good sealing effect, thereby effectively preventing dust and water from entering the wheel axle or bearing during the operation, preventing excessive wear of the wheel axle and bearing, and extending the service life.

[0026] Furthermore, the mounting base 7 is processed with symmetrically arranged longitudinal through holes 6, the bottom center of the mounting base 7 is processed with a base groove 10, and two sides of the base groove 10 are symmetrically provided with multiple groups of threaded holes 9. The longitudinal through holes 6 are convenient for passing long bolts, and then used to fix the traction rope limit block on the mounting base 7 to prevent the traction rope from falling off during subsequent operations.

[0027] Furthermore, a connecting hole 12 is provided on the mounting base 7 and at the bottom of the axle mounting hole 8. Through the connecting hole 12, it is convenient to connect the oil pipe later, and then inject lubricating oil into the axle 3, and lubricate the bearing 15 with the lubricating oil.

[0028] Furthermore, a central oil hole 11 is provided at the center of the axle 3, the central oil hole 11 is connected to the radial hole 18, the radial hole 18 is connected to the external bearing 15, and the central oil hole 11 is connected to the lubricating oil pipe. The central oil hole 11 is conveniently connected to the lubricating oil pipe, and then oil is supplied to the radial hole 18 through the central oil hole 11, thereby achieving the purpose of supplying oil and lubricating the bearing 15.

[0029] Further, the cover plate structure includes a top cover plate 2, which is fixed to the top of the axle 3 by a set screw 1. The top cover plate 2 can be used to provide a certain protective effect on the top of the traction sheave 4, effectively preventing water from directly entering the axle.

[0030] Furthermore, the bottom seal ring 13 and the top seal ring 17 are both lip seal rings. The lip seal rings ensure a good sealing effect, which can effectively prevent dust or water from entering the inside of the axle or the bearing, effectively avoiding the subsequent wear of the axle and the bearing by dust and water, thereby effectively extending the service life of the entire traction sheave.

[0031] Working process and principle of this utility model:

[0032] The entire mounting base 7 is fixedly mounted on the top of the sliding block, and then the traction rope is passed around the traction sheave 4, and the traction sheave 4 is driven to rotate by the traction rope. During the normal rotation operation of the traction sheave 4, the wheel axle and the bearing are effectively sealed through the double sealing of the bottom sealing ring 13 and the top sealing ring 17, thereby effectively preventing dust and water from entering the wheel axle or the bearing during the operation, effectively preventing the wear of the wheel axle and the bearing, and extending the service life of the traction sheave 4.

Claims

1. A traction sheave structure for an anchor trolley, characterized in that: The invention comprises a mounting base (7), wherein both ends of the mounting base (7) are symmetrically provided with axle mounting holes (8) arranged obliquely, axles (3) are fixedly mounted inside the axle mounting holes (8), a bottom box (5) and a bearing (15) are sequentially mounted on the axle (3) from bottom to top, a traction sheave (4) is mounted outside the bearing (15), a bottom sealing groove (14) is machined on the bottom end surface of the traction sheave (4), a bottom sealing ring (13) is mounted at the position where the bottom sealing groove (14) is located, and the bottom end surface of the bottom sealing ring (13) contacts the top end surface of the bottom box (5); an annular top sealing groove (16) is machined on the upper part of the traction sheave (4), a top sealing ring (17) for contacting and cooperating with the axle (3) is arranged at the position where the top sealing groove (16) is located, and a cover plate structure is arranged on the top of the axle (3).

2. A traction sheave structure for an anchor trolley according to claim 1, characterized in that: The mounting base (7) is machined with symmetrically arranged longitudinal through holes (6), the bottom center portion of the mounting base (7) is machined with a base groove (10), and two sides of the base groove (10) are symmetrically provided with multiple groups of threaded holes (9).

3. The traction sheave structure for an anchor trolley according to claim 1, characterized in that: A communication hole (12) is provided on the mounting base (7) and located at the bottom end of the axle mounting hole (8).

4. A traction sheave structure for an anchor trolley according to claim 3, characterized in that: A central oil hole (11) is provided at the central portion of the wheel axle (3); the central oil hole (11) is connected to a radial hole (18); the radial hole (18) is connected to an external bearing (15); and the central oil hole (11) is connected to a lubricating oil pipe.

5. The traction sheave structure for an anchor trolley according to claim 1, characterized in that: The cover plate structure comprises a top cover plate (2), and the top cover plate (2) is fixed to the top end of the wheel axle (3) by means of set screws (1).

6. The traction sheave structure for an anchor trolley according to claim 1, characterized in that: The bottom sealing ring (13) and the top sealing ring (17) are both lip sealing rings.

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