Mine saw hand pulling trolley

Abstract

The utility model relates to a mine saw hand pulling trolley which comprises a left side plate and a right side plate, an I-shaped steel beam is arranged between the left side plate and the right side plate, an upper supporting shaft is connected between the upper portions of the left side plate and the right side plate, a lower supporting shaft is connected between the lower portions of the left side plate and the right side plate, a pair of left walking wheels is arranged on the inner side of the middle of the left side plate, and a pair of right walking wheels is arranged on the inner side of the middle of the right side plate. The left walking wheel and the right walking wheel are lapped on the upper sides of lower wing plates on the two sides of the I-shaped steel beam respectively, and a hand pulling mechanism used for driving the left walking wheel is arranged on the outer side of the left side plate. The left side plate and the right side plate are effectively fixed through the upper supporting shaft and the lower supporting shaft to form a rigid frame, the structure is stable and reliable, strength is high, deformation is not prone to occurring, it is guaranteed that the distance between the left side plate and the right side plate is kept constant, the risk that a sports car falls off due to deformation of the side plates is avoided, and safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining equipment field, especially a mine saw hand-pulled trolley. BACKGROUND

[0002] The mine saw is used for mining operation, and the saw blade needs to be frequently replaced as a wearing part. Since the saw blade is large in diameter and heavy in weight, a hand-pulled trolley needs to be arranged on the mine saw for hoisting the saw blade. The structure of the hand-pulled trolley on the existing mine saw is not reasonable, and the strength is low, which is prone to deformation, resulting in the hand-pulled trolley falling from the I-beam of the mine saw, and there is a safety hazard. SUMMARY

[0003] Therefore, the utility model aims at providing a mine saw hand-pulled trolley which is stable and reliable in structure, high in strength and not prone to deformation.

[0004] The utility model adopts the following scheme: a mine saw hand-pulled trolley, including left side plate and right side plate, the middle of left side plate and right side plate is equipped with I-beam, the upper part between left side plate and right side plate is connected with upper support shaft, the lower part between left side plate and right side plate is connected with lower support shaft, the middle inboard of left side plate is equipped with a pair of left walking wheel, the middle inboard of right side plate is equipped with a pair of right walking wheel, left walking wheel and right walking wheel are respectively placed on the upper side of the lower flange of I-beam, and the outboard of left side plate is equipped with hand-pulled mechanism for driving left walking wheel.

[0005] Further, the hand-pulled mechanism includes a driving shaft penetrating through the left side plate and rotatingly connected with the left side plate, the outboard of the driving shaft is connected with a driving chain disc, the outboard of the driving shaft is connected with a driving gear, and two left walking wheels are respectively provided with a driven gear meshing with the driving gear.

[0006] Further, the driven gear and the left walking wheel are an integrated structure.

[0007] Further, the middle inboard of the left side plate is fixedly connected with a pair of driven shafts, the left walking wheel is rotatably connected with the driven shafts, the middle inboard of the right side plate is fixedly connected with a pair of auxiliary shafts, and the right walking wheel is rotatably connected with the auxiliary shafts.

[0008] Further, the lower part between the left side plate and the right side plate is further connected with a lifting hook shaft, the lower support shafts are two and arranged in front and back, and the lifting hook shaft is located in the middle of the two lower support shafts.

[0009] Further, the two ends of the upper support shaft, the lower support shaft and the lifting hook shaft are respectively provided with threaded portions, the threaded portions of the two ends of the upper support shaft, the lower support shaft and the lifting hook shaft pass through the left side plate and the right side plate and are locked by nuts, and the two ends of the upper support shaft, the lower support shaft and the lifting hook shaft are respectively provided with shaft shoulder portions for abutting against the inboard of the left side plate and the right side plate.

[0010] Further, the hook shaft is provided with an annular limiting groove in the middle.

[0011] Compared with the prior art, the utility model has the advantages that the utility model discloses a mine saw hand-pulled trolley which effectively fixes left and right side plates through upper and lower supporting shafts to form a rigid frame, is stable and reliable in structure, high in strength and difficult to deform, ensures that the distance between the left and right side plates remains constant, avoids the risk that the trolley falls due to deformation of the side plates, and improves safety.

[0012] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail through specific embodiments and related drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the side view of the utility model embodiment;

[0014] Figure 2 is Figure 1 is the A-A sectional view of the utility model;

[0015] The figure mark explanation: 100-hand-pulled trolley, 110-left side plate, 111-left walking wheel, 112-driving wheel shaft, 113-hand-pulled chain disc, 114-driving gear, 115-driven gear, 116-driven wheel shaft, 120-right side plate, 121-right walking wheel, 122-assistant wheel shaft, 130-upper supporting shaft, 140-lower supporting shaft, 150-hook shaft, 200-I-beam. DETAILED DESCRIPTION

[0016] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0017] It should be noted that the terms used herein are only for the purpose of describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0018] As Figures 1-2As shown, a mine saw hand-pulled car includes a left side plate 110 and a right side plate 120, a I-beam 200 is arranged between the left and right side plates, an upper support shaft 130 is connected between the upper portions of the left and right side plates, a lower support shaft 140 is connected between the lower portions of the left and right side plates, a pair of left walking wheels 111 are arranged on the inner side of the middle portion of the left side plate, a pair of right walking wheels 121 are arranged on the inner side of the middle portion of the right side plate, the left and right walking wheels are respectively arranged on the upper sides of the lower flanges of the I-beam, and a hand-pulled mechanism is arranged on the outer side of the left side plate to drive the left walking wheels. The left and right side plates are effectively fixed by the upper and lower support shafts to form a rigid frame, the structure is stable and reliable, the strength is high, and the left and right side plates are not easy to deform, so that the distance between the left and right side plates is kept constant, the risk of the car falling due to the deformation of the side plates is avoided, and the safety is improved.

[0019] In the embodiment, the hand-pulled mechanism includes a driving shaft 112 penetrating through the left side plate and being rotatably connected to the left side plate, the driving shaft 112 is rotatably connected to the left side plate through a bearing, the outer end of the driving shaft is connected with a hand-pulled chain disc 113, the outer end of the driving shaft is connected with a driving gear 114, and two left walking wheels are respectively provided with a driven gear 115 which is engaged with the driving gear. The operator pulls the chain to drive the hand-pulled chain disc to rotate, and then drives the left walking wheels 111 to roll along the flange of the I-beam through the driving gear 114 and the driven gear 115, and the right walking wheel is driven, the power transmission path is simple, and the transmission efficiency is high.

[0020] In the embodiment, the driven gear and the left walking wheel are an integrated structure.

[0021] In the embodiment, a pair of driven shafts 116 are fixedly connected to the inner side of the middle portion of the left side plate, and the left walking wheels are rotatably connected to the driven shafts through bearings; a pair of auxiliary shafts 122 are fixedly connected to the inner side of the middle portion of the right side plate, and the right walking wheels are rotatably connected to the auxiliary shafts through bearings.

[0022] In the embodiment, a lifting hook shaft 150 is further connected between the lower portions of the left and right side plates, the lower support shafts are two and are arranged in front and back, the lifting hook shaft is located between the two lower support shafts, the two lower support shafts and the upper support shaft form a three-point support structure, the overall structure is more stable, the lateral swing amplitude of the car on the I-beam is reduced, and the lifting hook shaft is used for lifting a hoist.

[0023] In the embodiment, the two ends of the upper support shaft, the lower support shaft and the lifting hook shaft are respectively provided with threaded portions, the threaded portions of the two ends of the upper support shaft, the lower support shaft and the lifting hook shaft pass through the left side plate and the right side plate and are locked by nuts, and the two ends of the upper support shaft, the lower support shaft and the lifting hook shaft are respectively provided with shaft shoulder portions which abut against the inner sides of the left and right side plates.

[0024] In the embodiment, the middle part of the hook shaft is provided with an annular limiting groove, and the hook of the gourd is hung at the annular limiting groove to avoid left and right swing.

[0025] Any of the above technical solutions of the utility model discloses, if it discloses numerical range except declaration, then the numerical range disclosed is preferred numerical range, and any person skilled in the art should understand that: preferred numerical range is only the numerical value of obvious technical effect or representative numerical value among many implementable numerical values. Because there are many values, it is impossible to enumerate, therefore, the utility model discloses part of values to illustrate the technical scheme of the utility model, and the above enumerated values should not constitute the restriction of the protection scope of the utility model.

[0026] If the utility model discloses or involves mutually fixed connecting parts or structural members, then, except declaration, fixed connection can be understood as: detachable fixed connection (for example, bolt or screw connection), and can also be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutually fixed connection can also be replaced by integral structure (for example, integrally formed by using casting process) (except obviously cannot adopt integral forming process).

[0027] In addition, the terms used to represent the position relationship or shape in any of the above technical solutions of the utility model include the state or shape similar, analogous or close to it except declaration.

[0028] Any component provided by the utility model can be assembled by a plurality of individual components, or can be an individual component manufactured by integral forming process.

[0029] The above is only the preferred embodiment of the utility model, and does not limit other forms of the utility model, and any person skilled in the art can change or modify the above disclosed technical content into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical scheme of the utility model, according to the technical essence of the utility model, still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A mine saw hand trolley characterised by: The left and right side plates are provided with an I-beam in the middle, an upper support shaft is connected between the upper portions of the left and right side plates, a lower support shaft is connected between the lower portions of the left and right side plates, a pair of left walking wheels are arranged on the inner side of the middle portion of the left side plate, a pair of right walking wheels are arranged on the inner side of the middle portion of the right side plate, the left and right walking wheels are respectively arranged on the upper side of the lower flange of the I-beam, and a hand pulling mechanism is arranged on the outer side of the left side plate to drive the left walking wheels.

2. A mine saw hand trolley according to claim 1 characterised by: The hand pulling mechanism comprises a driving shaft penetrating through the left side plate and being rotatably connected with the left side plate, a hand pulling chain disc connected with the outer end of the driving shaft, a driving gear connected with the outer end of the driving shaft, and two left walking wheels each provided with a driven gear meshing with the driving gear.

3. A mine saw hand trolley according to claim 2, characterised in that: The driven gear and the left walking wheel are integrated.

4. The mine saw hand dolly of claim 1, wherein: A pair of driven shafts are fixedly connected with the inner side of the middle portion of the left side plate, and the left walking wheels are rotatably connected with the driven shafts; a pair of auxiliary shafts are fixedly connected with the inner side of the middle portion of the right side plate, and the right walking wheels are rotatably connected with the auxiliary shafts.

5. The mine saw hand dolly of claim 1, wherein: The lower portions of the left and right side plates are further connected with a hook shaft, the lower support shafts are two and arranged in front and back, and the hook shaft is arranged between the two lower support shafts.

6. A mine saw hand trolley according to claim 5, characterised in that: The two ends of the upper support shaft, the lower support shaft and the hook shaft are respectively provided with threaded portions, the threaded portions of the two ends of the upper support shaft, the lower support shaft and the hook shaft are locked by nuts after penetrating through the left and right side plates, and the two ends of the upper support shaft, the lower support shaft and the hook shaft are respectively provided with shaft shoulder portions abutting against the inner sides of the left and right side plates.

7. The mine saw hand trolley according to claim 5, characterised in that: The middle portion of the hook shaft is provided with an annular limiting groove.

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