Disassembling and assembling chuck for forging mining jack

Abstract

The utility model relates to a dismounting chuck for forging a mining jack, which belongs to the field of mining jacks and comprises a base, a through hole is vertically arranged on the base, a first moving block and a second moving block are respectively arranged at two ends of the through hole, spring grooves are arranged on opposite sides of the first moving block and the second moving block, and compression springs are arranged in the spring grooves. The threaded rod sequentially penetrates through the first moving block and the compression spring and then is in threaded connection with the second moving block, two sets of limiting grooves are symmetrically formed in the inner wall of the through hole and matched with limiting blocks on the first moving block and the second moving block, inclined faces are symmetrically formed in the first moving block and the second moving block, and fixing holes perpendicular to the through hole are formed in the upper portions of the inclined faces. The lifting jack can be supported and fixed, and can be fixed on the ground and the wall, so that the lifting jack is suitable for the lifting jack with the output end at the top of a roadway and also suitable for the lifting jack with the output end at the side wall of the roadway. And a supporting effect can be effectively achieved, and the use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mine jack, especially relates to a forged mine jack dismounting chuck. BACKGROUND

[0002] The mine jack generally refers to the tensioning jack of anchor cable and is used for tensioning the anchor cable. When working, the jack claw may be damaged or broken, causing the jack head to be clamped on the roadway wall and forming a top hanging.

[0003] To solve the above problems, the utility model provides a forged mine jack dismounting chuck, aiming at providing a mine jack dismounting chuck which has simple structure and can improve the dismounting efficiency and safety. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a forged mine jack dismounting chuck and solving the problems in the prior art.

[0005] To solve the above problems, the utility model is implemented by the following technical scheme:

[0006] A forged mine jack dismounting chuck, comprising a base, a through hole vertically formed on the base, a first moving block and a second moving block respectively installed at two ends of the through hole, spring grooves respectively formed on opposite sides of the first moving block and the second moving block, compression springs installed in the spring grooves, a threaded rod sequentially penetrating through the first moving block and the compression spring and threadedly connected with the second moving block, two groups of limiting grooves symmetrically formed on the inner wall of the through hole and matched with limiting blocks on the first moving block and the second moving block, inclined surfaces symmetrically formed on the first moving block and the second moving block, and fixing holes vertically formed above the inclined surfaces and the through hole.

[0007] Further, the length of the limiting block is less than the length of the limiting groove.

[0008] Further, when the limiting block is located at the outermost end of the limiting groove, the outer end surface of the first moving block and the second moving block is flush with the opening of the through hole.

[0009] Further, the threaded rod is provided with a threaded knob or a speed reducer motor at the end.

[0010] Further, the inclined surface and the axis of the through hole form a 45° angle.

[0011] The utility model has the following beneficial effects: can support and fix jack, can be fixed on ground, can be fixed on wall, thus is applicable to jack with output end on roadway top, is applicable to jack with output end on roadway side wall, can effectively support, improves security of use. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0013] Figure 1 It is whole structure schematic diagram of example 1;

[0014] Figure 2 It is cross section structure schematic diagram of example 1;

[0015] Figure 3 It is whole structure schematic diagram of example 2.

[0016] In the drawing, the component list represented by each sign is as follows:

[0017] 1, fixed seat, 2, base, 3, fixed hole, 4, through hole, 5, threaded rod, 6, threaded knob, 7, speed reducer motor, 8, limit block, 9, inclined plane, 10, spring slot, 11, limit slot, 12, first moving block, 13, second moving block, 14, compression spring. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described in the following with the drawings in the embodiments of the utility model, and it is needed to understand that the terms "upper", "middle", "outer", "inner", "lower" etc. Indicate the orientation or position relation, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the component or element indicated must have a particular orientation, therefore can not be understood as the limitation to the utility model.

[0019] The embodiment 1 of the utility model is as follows: Figures 1-2As shown, the utility model is a kind of forging mining jack dismounting chuck, including base 2, adopt high-strength alloy steel forging, vertical through-hole 4 is set on base 2, first moving block 12 and second moving block 13 are respectively installed at both ends of through-hole 4, spring slot 10 is set on the opposite side of first moving block 12 and second moving block 13, for installing compression spring 14, threaded rod 5 is sequentially threaded through first moving block 12, compression spring 14, and is threadedly connected with second moving block 13 after threaded rod 5 is sequentially threaded through first moving block 12, compression spring 14. Limiting slot 11 is symmetrically set on the inner wall of through-hole 4 of both sides of first moving block 12 and second moving block 13, and there is corresponding limiting block 8 on first moving block 12 and second moving block 13, limiting block 8 is embedded in limiting slot 11, the length of limiting block 8 is less than the length of limiting slot 11, the two moving blocks can only slide along the axial direction of through-hole 4, for guiding the clamping action of two moving blocks. First moving block 12 and second moving block 13 are symmetrically provided with inclined surface 9, the inclined surface and the axis of through-hole form 45 ° angle, for clamping. Fixed hole 3 is vertically provided above inclined surface 9 and through-hole 4, fixed hole 3 is communicated with lower through-hole 4, and fixed hole 3 is used for inserting jack, and the end surface of fixed hole 3 is provided with fixed seat 1.

[0020] Threaded knob 6 is installed at the end of threaded rod 5, threaded knob 6 is rotated, two moving blocks move to the midpoint of the axis of through-hole 4, compression spring 14 stores energy, at this time, limiting block 8 is located at the innermost end of limiting slot 11, two inclined surfaces 9 extrude the central space of through-hole 4, and the clamping effect is achieved. When threaded knob 6 is reversely rotated, two moving blocks move to both ends of through-hole 4, the spring restores deformation, and the outer end surface of two moving blocks is flush with the opening of through-hole 4. At this time, limiting block 8 is located at the outermost end of limiting slot 11. When limiting block 8 is located at the outermost end of limiting slot 11, the outer end surface of first moving block 12 and second moving block 13 is flush with the opening of through-hole 4, and does not exceed through-hole 4, so that the jack can be transversely installed when working on the sidewall of roadway.

[0021] In embodiment 2, threaded rod 5 is connected with speed reducer 7, and first connecting block 12 and second connecting block 13 are driven to move oppositely by speed reducer 7.

[0022] The device can vertically install jack, and can also transversely install jack. When using, the device can be fixed on mounting frame through fixed seat 1, or can be placed on ground and pressed by foot. The appearance of base 2 can be changed, for example, saddle-shaped arc surface is provided, for shoulder resistance, etc.

[0023] The preferred embodiments of the utility model disclosed above are only used to help describe the utility model, and the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode.

Claims

1. A forging mining jack disassembly and assembly chuck, comprising a base (2), characterized in that: A through hole (4) is vertically opened on the base (2). A first moving block (12) and a second moving block (13) are respectively installed at both ends of the through hole (4). A spring groove (10) is opened on the opposite side of the first moving block (12) and the second moving block (13). A compression spring (14) is installed in the spring groove (10). A threaded rod (5) passes through the first moving block (12) and the compression spring (14) in sequence and is threadedly connected to the second moving block (13). Two sets of limiting grooves (11) are symmetrically opened on the inner wall of the through hole (4) to cooperate with the limiting blocks (8) on the first moving block (12) and the second moving block (13). An inclined surface (9) is symmetrically opened on the first moving block (12) and the second moving block (13). A fixing hole (3) is opened vertically above the inclined surface (9) and the through hole (4).

2. The forging mining jack disassembly and assembly chuck according to claim 1, characterized in that: The length of the limiting block (8) is less than the length of the limiting groove (11).

3. The forging mining jack disassembly and assembly chuck according to claim 1, characterized in that: When the limiting block (8) is located at the outermost end of the limiting groove (11), the outer end faces of the first moving block (12) and the second moving block (13) are flush with the opening of the through hole (4).

4. The forging mining jack disassembly and assembly chuck according to claim 1, characterized in that: A threaded knob (6) or a geared motor (7) is installed at the end of the threaded rod (5).

5. The forging mining jack disassembly and assembly chuck according to claim 1, characterized in that: The inclined plane (9) forms a 45° angle with the axis of the through hole (4).

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