Jack wheel puller for coal preparation plant

Abstract

The jack wheel puller for the coal preparation plant comprises a steel plate, a notch is formed in the middle of the surface of the steel plate, two symmetrically-distributed first steel channels are arranged on the back of the steel plate, and the ends, away from the steel plate, of the two first steel channels are fixedly connected with second steel channels. A supporting plate is arranged on the side, opposite to the steel plate, of the second steel channel, a jack is installed on the upper surface of the supporting plate, and first height adjusting structures are arranged on the two sides of the steel plate correspondingly. A steel plate gantry type structure is adopted, the mechanical jack is combined to provide power, clamping is firm and reliable, the slipping phenomenon in the force application process is avoided, the acting force is large, the coupler is evenly stressed, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the coal mine overhauling tool, especially relates to a jack wheel puller for coal preparation plant. BACKGROUND

[0002] In the process of conveying coal products in the coal preparation plant, a large number of belt conveyors are used, and a coupling device is inevitably used in the power transmission process of the driving device. The disassembly of the coupling is a difficulty in the on-site maintenance work, which is time-consuming and laborious. The original wheel puller is a pawl device, and the disadvantages of the device are that the pawl is easy to slip during the force application process, has certain safety hazards, and has low pulling force, which is not conducive to the disassembly of the coupling. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a jack wheel puller for coal preparation plant to solve the technical problems in the background art.

[0004] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a jack wheel puller for coal preparation plant, including the steel sheet, the middle part of the surface of the steel sheet is provided with the gap, the back of the steel sheet is provided with two first channel steels which are symmetrically distributed, the two first channel steels are fixedly connected with the second channel steel away from the steel sheet, the second channel steel is provided with the supporting plate on the side opposite to the steel sheet, the upper surface of the supporting plate is installed with the jack, both sides of the steel sheet are provided with the first height adjusting structure, and the second channel steel is provided with the second height adjusting structure.

[0005] Preferably, the gap is a door opening structure.

[0006] Preferably, the first channel steel is located at both sides of the gap, and the second channel steel and the two first channel steels form a U-shaped structure.

[0007] Preferably, the two side walls of the supporting plate away from the second channel steel are fixedly connected with the first channel steel through the connecting plate.

[0008] Preferably, the first height adjusting structure comprises a first threaded block and a first screw rod, the first threaded block is fixedly connected with the side wall of the steel sheet, the first screw rod is threadedly connected with the first threaded block, the bottom of the first screw rod is provided with a supporting pad, and the top end is provided with a knob.

[0009] Preferably, a movable block is sleeved on the first screw rod close to the knob, the first screw rod is rotationally connected with the movable block, a top-open trapezoidal groove is arranged on the side wall of the steel sheet above the first threaded block, and the side wall of the movable block is provided with a trapezoidal block which is slidingly connected with the trapezoidal groove.

[0010] Preferably, the second height adjusting structure comprises a second threaded block and a second screw rod, the second threaded block is fixed at the middle part of the upper surface of the second channel steel, the middle part of the upper surface of the second channel steel is provided with a through hole with a diameter matching the inner diameter of the second threaded block, the second screw rod is threadedly connected with the second threaded block and penetrates through the through hole, the bottom of the second screw rod is rotatably connected with a bottom plate, the top end of the second screw rod is provided with a knob, and the upper surface of the bottom plate is provided with a limiting rod on both sides of the second screw rod, the upper surface of the second channel steel is provided with a limiting hole corresponding to the limiting rod on both sides, and the limiting rod is connected with the limiting hole in an up-down sliding mode.

[0011] The jack wheel pulling device for a coal preparation plant has the following advantages.

[0012] 1. The steel plate gantry structure is adopted, power is provided by a mechanical jack, clamping is firm and reliable, the slipping phenomenon in the force applying process is avoided, the acting force is large, the coupling is uniformly stressed, and the use effect is good.

[0013] 2. The height of the device can be flexibly adjusted according to the height of the coupling through the first height adjusting structure and the second height adjusting structure, the operation is simple and fast, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0016] Figure 2 It is Figure 1 It is a schematic diagram of the structure of another view.

[0017] Figure 3 It is a schematic diagram of the structure of the first height adjusting structure in the present application.

[0018] Figure 4 It is a schematic diagram of the structure of the second height adjusting structure in the present application.

[0019] Marked description: 1, steel plate; 2, opening; 3, first channel steel; 4, second channel steel; 5, support plate; 6, connecting plate; 7, jack; 8, first threaded block; 9, first screw rod; 10, support pad; 11, movable block; 12, trapezoidal groove; 13, bottom plate; 14, second screw rod; 15, limiting rod; 16, trapezoidal block; 17, through hole; 18, second threaded block; 19, limiting hole. DETAILED DESCRIPTION

[0020] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0021] In the description of the embodiments of the present application, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0022] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0023] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which in itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the present application, the present application will be further described in detail below in combination with the drawings.

[0026] As shown in Figures 1-4 The present application is a kind of jack puller for coal preparation plant, including steel sheet 1, the middle part of the surface of steel sheet 1 is provided with aperture 2, aperture 2 is door hole structure, so that aperture 2 can be fitted on shaft coupling. The back of steel sheet 1 is provided with two symmetrical first channel steel 3, the end of the two first channel steel 3 away from steel sheet 1 is fixedly connected with second channel steel 4, the side of second channel steel 4 opposite to steel sheet 1 is provided with support plate 5, the upper surface of support plate 5 is installed with jack 7, first channel steel 3 is located on both sides of aperture 2, and second channel steel 4 and two first channel steel 3 form U-shaped structure, the two side walls of the end of support plate 5 away from second channel steel 4 are fixedly connected with first channel steel 3 through connecting plate 6, first channel steel 3, second channel steel 4, connecting plate 6, support plate 5, second channel steel 4, connecting plate 6, first threaded block 8 and steel sheet 1, second threaded block 18 and second channel steel 4, and limiting rod 15 and bottom plate 13 are all fixed by welding.

[0027] The two sides of steel sheet 1 are provided with first height adjusting structure, the first height adjusting structure includes first threaded block 8 and first screw rod 9, the side wall of first threaded block 8 is fixedly connected with steel sheet 1, and first screw rod 9 is threadedly connected with first threaded block 8, the bottom of first screw rod 9 is provided with support pad 10, and the top end is provided with knob, by rotating first screw rod 9, the height of steel sheet 1 can be flexibly adjusted under the action of first threaded block 8, so as to facilitate the adjustment of the height of steel sheet 1 according to the height of shaft coupling, which is beneficial to the shaft coupling at aperture 2. The first screw rod 9 is sleeved with movable block 11 near the knob, and the first screw rod 9 is rotatably connected with the movable block 11, the side wall of steel sheet 1 is provided with trapezoidal groove 12 with open top above first threaded block 8, the side wall of movable block 11 is provided with trapezoidal block 16 slidably connected with trapezoidal groove 12, through the setting of movable block 11, trapezoidal block 16 and trapezoidal groove 12, first screw rod 9 is assisted and supported, so that first screw rod 9 is more stable.

[0028] The second height adjusting structure is arranged on the second channel steel 4, and comprises a second threaded block 18 and a second screw rod 14, the second threaded block 18 is fixed to the middle part of the upper surface of the second channel steel 4, the middle part of the upper surface of the second channel steel 4 is provided with a through hole 17 with a diameter matching the inner diameter of the second threaded block 18, the second screw rod 14 is threadedly connected with the second threaded block 18 and penetrates through the through hole 17, the bottom of the second screw rod 14 is rotatably connected with a bottom plate 13, the top end of the second screw rod 14 is provided with a knob, the upper surface of the bottom plate 13 is provided with a limiting rod 15 on both sides of the second screw rod 14, the upper surface of the second channel steel 4 is provided with a limiting hole 19 corresponding to the limiting rod 15 on both sides, the limiting rod 15 is slidably connected with the limiting hole 19, by rotating the second screw rod 14, the second screw rod 14 drives the bottom plate 13 to move up and down under the action of the second threaded block 18, and the bottom plate 13 can only move up and down under the cooperation of the limiting rod 15 and the limiting hole 19, so that the bottom plate 13 is well limited, thereby cooperating with the first height adjusting structure to adjust the overall height of the device, so that the device is kept at the same height with the shaft coupling.

[0029] The working principle of the jack wheel pulling device for a coal preparation plant is as follows: when in use, the gap 2 is sleeved on the shaft coupling, at this time, the first screw rod 9 and the second screw rod 14 are rotated respectively, so that the supporting pad 10 and the bottom plate 13 are in contact with the ground, thereby supporting the device, and then the jack 7 is started, at this time, the piston rod of the jack 7 pushes the shaft rod in the shaft coupling, and the shaft coupling can be safely and reliably unloaded by the pushing force of the jack 7.

[0030] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A coal preparation plant jack puller characterised by: The utility model provides a steel plate (1), the middle part of the surface of steel plate (1) is provided with the aperture (2), the back of steel plate (1) is provided with two symmetrical first channel steel (3), two first channel steel (3) are fixedly connected with second channel steel (4) away from one end of steel plate (1), second channel steel (4) is provided with support plate (5) on the opposite side of steel plate (1), the upper surface of support plate (5) is installed with jack (7), both sides of steel plate (1) are provided with first height adjusting structure, second channel steel (4) is provided with second height adjusting structure.

2. The jack puller of a coal preparation plant according to claim 1, characterized in that: The aperture (2) is a door hole structure.

3. The jack puller of claim 1, wherein: The first channel steel (3) is located on both sides of the aperture (2), and the second channel steel (4) forms a U-shaped structure with the two first channel steels (3).

4. The jack puller of claim 1, wherein: The two side walls of the support plate (5) away from the second channel steel (4) are fixedly connected with the first channel steel (3) through the connecting plate (6).

5. The jack puller of claim 1, wherein: The first height adjusting structure includes a first threaded block (8) and a first screw rod (9), the first threaded block (8) is fixedly connected with the side wall of the steel plate (1), and the first screw rod (9) is threadedly connected with the first threaded block (8), the bottom of the first screw rod (9) is provided with a support pad (10), and the top end is provided with a knob.

6. The jack puller of claim 5, wherein: The first screw rod (9) is sleeved with a movable block (11) near the knob, and the first screw rod (9) is rotatably connected with the movable block (11), the side wall of the steel plate (1) is provided with a top-open trapezoidal groove (12) above the first threaded block (8), and the side wall of the movable block (11) is provided with a trapezoidal block (16) in sliding connection with the trapezoidal groove (12).

7. The jack puller of claim 1, wherein: The second height adjusting structure includes a second threaded block (18) and a second screw rod (14), the second threaded block (18) is fixed to the upper surface of the second channel steel (4), the upper surface of the second channel steel (4) is provided with a through hole (17) with an inner diameter matching that of the second threaded block (18), the second screw rod (14) is threadedly connected with the second threaded block (18) and penetrates through the through hole (17), the bottom of the second screw rod (14) is rotatably connected with a bottom plate (13), and the top end is provided with a knob, the upper surface of the bottom plate (13) is provided with a limiting rod (15) on both sides of the second screw rod (14), the two sides of the upper surface of the second channel steel (4) are provided with limiting holes (19) corresponding to the limiting rods (15), and the limiting rods (15) and the limiting holes (19) are in up-down sliding connection.

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