CN223906438U

CN223906438U - Dismounting chuck of jack for forging mine

Info

Publication number: CN223906438U
Application number: CN202520507632.0U
Authority: CN
Inventors: 宋超; 殷西国; 王昭; 陈硕; 夏丽丽; 齐成宇; 张新洋
Original assignee: Shandong Qianshun Machinery Co ltd
Current assignee: Shandong Qianshun Machinery Co ltd
Priority date: 2025-03-21
Filing date: 2025-03-21
Publication date: 2026-02-13
Anticipated expiration: 2035-03-21

Abstract

This utility model relates to a disassembly and assembly chuck for forged mining jacks, belonging to the field of mining jacks. It includes a base with a vertically formed through-hole. A first moving block and a second moving block are respectively installed at both ends of the through-hole. Spring grooves are formed on opposite sides of both the first and second moving blocks, and compression springs are installed in the spring grooves. A threaded rod passes through the first moving block and the compression spring in sequence, and then is threadedly connected to the second moving block. Two sets of limiting grooves are symmetrically formed on the inner wall of the through-hole, cooperating with the limiting blocks on the first and second moving blocks. The first and second moving blocks have symmetrically formed inclined surfaces, and fixing holes are formed perpendicularly to the through-hole above the inclined surfaces. This design provides support and fixation for the jack, allowing it to be fixed not only to the ground but also to a wall. Therefore, it is suitable for jacks with their output ends at the top of the tunnel or on the side wall of the tunnel. It effectively provides support and improves safety during use.

Description

Dismounting chuck of jack for forging mine

Technical Field

The utility model relates to the field of mining jacks, in particular to a dismounting chuck for a forged mining jack.

Background

The mining jack is generally referred to as a tensioning jack of an anchor cable and is used for tensioning the anchor cable. During operation, the jack catch can be damaged or broken, so that the jack head is clamped on the roadway wall to form a hanging roof. When the jack is used, the jack is usually lifted or carried by a person, if the jack is hung, the operation of a person is inconvenient, the jack is very heavy, and the hanging of the jack has potential safety hazards of smashing the person.

In order to solve the problems, the utility model provides a disassembly and assembly chuck of a forged mining jack, and aims to provide the disassembly and assembly chuck of the mining jack, which has a simple structure and can improve disassembly and assembly efficiency and safety.

Disclosure of utility model

The utility model aims to provide a dismounting chuck of a forging mining jack, which solves the problems in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model provides a forge mining jack dismouting chuck, the on-line screen storage device comprises a base, vertical through-hole of seting up on the base, first movable block and second movable block are installed respectively at the through-hole both ends, the spring groove is all seted up to one side that first movable block and second movable block are relative, compression spring is installed to the spring inslot, the threaded rod runs through first movable block in proper order, compression spring back, with second movable block threaded connection, two sets of spacing grooves are seted up to the symmetry on the through-hole inner wall, cooperate with the stopper on first movable block, the second movable block, the inclined plane is seted up to first movable block, the second movable block symmetry, the fixed orifices is seted up perpendicularly with the through-hole to the inclined plane top.

Further, the length of the limiting block is smaller than that of the limiting groove.

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

Further, a threaded knob or a gear motor is arranged at the end part of the threaded rod.

Further, the inclined plane forms an included angle of 45 degrees with the axis of the through hole.

The jack has the advantages that the jack can be supported and fixed, and not only can be fixed on the ground, but also can be fixed on a wall, so that the jack is suitable for the jack with the output end at the top of a roadway and is also suitable for the jack with the output end at the side wall of the roadway. Can effectively play a supporting role and improve the use safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of embodiment 1;

FIG. 2 is a schematic cross-sectional view of embodiment 1;

fig. 3 is a schematic overall structure of embodiment 2.

In the drawings, the list of components represented by the various numbers is as follows:

1. a fixing seat; 2, a base, 3, a fixing hole, 4, a through hole, 5, a threaded rod, 6, a threaded knob, 7, a gear motor, 8, a limiting block, 9, an inclined plane, 10, a spring groove, 11, a limiting groove, 12, a first moving block, 13, a second moving block, 14 and a compression spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it should be understood that terms such as "upper", "middle", "outer", "inner", "lower", etc. indicate orientations or positional relationships, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, and thus should not be construed as limiting the present utility model.

1-2, The utility model discloses a dismounting chuck for a forged mining jack, which comprises a base 2, wherein the base 2 is forged by high-strength alloy steel, a through hole 4 is vertically formed in the base 2, a first moving block 12 and a second moving block 13 are respectively arranged at two ends of the through hole 4, spring grooves 10 are formed in opposite sides of the first moving block 12 and the second moving block 13 and are used for mounting compression springs 14, and a threaded rod 5 penetrates through the first moving block 12 and the compression springs 14 in sequence and is connected with the second moving block 13 in a threaded manner. Limiting grooves 11 are symmetrically formed in the inner walls of the through holes 4 on two sides of the first moving block 12 and the second moving block 13, corresponding limiting blocks 8 are arranged on the first moving block 12 and the second moving block 13, the limiting blocks 8 are embedded into the limiting grooves 11, the length of each limiting block 8 is smaller than that of each limiting groove 11, the two moving blocks are limited to slide along the axial direction of the through hole 4 only, and the two moving blocks are used for guiding clamping actions of the two moving blocks. The first moving block 12 and the second moving block 13 are symmetrically provided with inclined planes 9, and the inclined planes form an included angle of 45 degrees with the axis of the through hole and are used for clamping. The fixed orifices 3 are vertically arranged above the inclined plane 9 and the through holes 4, the fixed orifices 3 are communicated with the through holes 4 below, the fixed orifices 3 are used for inserting jacks, and the end faces of the fixed orifices 3 are provided with the fixing seats 1.

The threaded knob 6 is arranged at the end part of the threaded rod 5, the threaded knob 6 is rotated, the two moving blocks move towards the center point of the axis of the through hole 4, the compression spring 14 stores energy, the limiting block 8 is positioned at the innermost end of the limiting groove 11, and the two inclined planes 9 extrude the central space of the through hole 4 to play a clamping role. When the threaded knob 6 is reversely rotated, the two moving blocks move towards the two ends of the through hole 4, the springs are deformed in a recovery mode, the outer end faces of the two moving blocks are flush with the opening of the through hole 4, and the limiting block 8 is located at the outermost end of the limiting groove 11. When the limiting block 8 is positioned at the outermost end of the limiting groove 11, the outer end surfaces of the first moving block 12 and the second moving block 13 are flush with the opening of the through hole 4 and do not exceed the through hole 4, so that the jack is convenient to transversely install when working on the side wall of a roadway.

Embodiment 2 uses a gear motor 7 to connect the threaded rod 5, and drives the first connection block 12 and the second connection block 13 to move in opposite directions through the gear motor 7.

The device can vertically install the jack and also can transversely install the jack. When in use, the fixing seat 1 can be fixed on the mounting frame, can also be placed on the ground and pressed by foot treading. The appearance of the base 2 can be changed, for example, a saddle-shaped cambered surface is formed for shoulder resistance and the like.

The preferred embodiments of the utility model disclosed above are merely for the purpose of helping to illustrate the utility model, and the preferred embodiments do not describe all details in detail nor are they intended to limit the utility model to the specific embodiments.

Claims

1. A disassembly and assembly chuck for a forging mining jack comprises a base (2) and is characterized in that a through hole (4) is vertically formed in the base (2), a first moving block (12) and a second moving block (13) are respectively arranged at two ends of the through hole (4), spring grooves (10) are formed in opposite sides of the first moving block (12) and the second moving block (13), compression springs (14) are arranged in the spring grooves (10), a threaded rod (5) sequentially penetrates through the first moving block (12) and the compression springs (14), then is in threaded connection with the second moving block (13), two groups of limit grooves (11) are symmetrically formed in the inner wall of the through hole (4), limit blocks (8) on the first moving block (12) and the second moving block (13) are matched, inclined planes (9) are symmetrically formed in the first moving block (12) and the second moving block (13), and fixing holes (3) are vertically formed in the upper portions of the inclined planes (9).

2. The dismounting chuck of the forging mining jack of claim 1, wherein the length of the limiting block (8) is smaller than the length of the limiting groove (11).

3. The dismounting chuck of the forging mining jack of claim 1, wherein when the limiting block (8) is positioned at the outermost end of the limiting groove (11), the outer end surfaces of the first moving block (12) and the second moving block (13) are flush with the opening of the through hole (4).

4. A forged mining jack disassembly chuck as set forth in claim 1, wherein the threaded rod (5) is provided with a threaded knob (6) or a gear motor (7) at the end.

5. A forged mining jack disassembly chuck as set forth in claim 1, wherein the inclined surface (9) forms an angle of 45 DEG with the axis of the through hole (4).