Telescopic mechanism box provided with double oil cylinders

Abstract

The utility model discloses a telescopic mechanism box provided with double oil cylinders, and belongs to the technical field of under-mine supporting auxiliary devices. The device comprises a positioning box, wherein two inner cavities are formed in the positioning box; the two inner cavities are parallel to each other, and pushing hydraulic cylinders are mounted in the inner cavities; the movable ends of the two pushing hydraulic cylinders face the outer side in a back-to-back mode, and pushing supports are installed at the movable ends. A guide hole is formed in the pushing support; an anti-sinking landing leg hydraulic rod is mounted at the positioning hole; the anti-sinking landing leg hydraulic rod is arranged in the vertical direction; the anti-sinking supporting leg hydraulic rod effectively solves the problem that the position of a bottom supporting point of an existing anti-sinking supporting leg hydraulic rod used on a drill carriage body relative to the carriage body cannot be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of underground mine support auxiliary devices, in particular to a telescopic mechanism box equipped with double oil cylinders. Background Art

[0002] The anchor drilling rig is a multifunctional drilling machine that can perform anchor bolt and cable support operations, as well as drilling blastholes and exploration holes (for water and gas exploration). In order to prevent the vehicle body from sinking into the ground of the tunnel, it is often necessary to arrange hydraulic telescopic legs on the vehicle body as auxiliary support parts. However, the anti-sinking structure used in current drilling rigs has a certain width and cannot adjust the position of the support point according to actual construction conditions. Based on this, it is necessary to design a hydraulic device that can adjust the support point of the hydraulic rod of the anti-sinking leg relative to the vehicle body. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a telescopic mechanism box installed with double oil cylinders to solve the problem that the anti-sinking leg hydraulic rods currently used on the drilling vehicle body cannot adjust the position of their bottom support points relative to the vehicle body.

[0004] In order to solve the above problems, the present invention provides the following technical solutions:

[0005] A telescopic mechanism box for installing double oil cylinders; it includes a positioning box, in which two inner cavities are arranged; the two inner cavities are arranged parallel to each other, and a push hydraulic cylinder is installed in each inner cavity; the movable ends of the two push hydraulic cylinders are arranged opposite to each other and facing outward, and push supports are installed on the movable ends; guide holes are opened on the push supports; anti-sinking support leg hydraulic rods are installed at the positioning holes; the anti-sinking support leg hydraulic rods are arranged vertically.

[0006] Preferably, the positioning box is a square box structure with a hollow interior; a vertical partition is provided in the middle of the inner cavity of the square box; the vertical partition extends along the length direction of the positioning box; a movable inner box is installed in the inner cavity of the positioning box; one end of the movable inner box extends to the outside of the positioning box; the push support is installed on the protruding end of the movable inner box; positioning holes are provided on both the positioning box and the movable inner box, and the fixed end and the movable end of the push hydraulic cylinder are respectively installed at the corresponding positioning holes through pins.

[0007] Furthermore, an extended box body is provided on the positioning box at positions corresponding to the protruding ends of the two movable inner boxes.

[0008] Furthermore, the push support is a horizontally arranged platform-shaped component; a rib is provided on the top of the push support; a connecting plate is provided on the side of the rib facing the positioning box; and the connecting plate is installed on the protruding end of the movable inner box.

[0009] Furthermore, a reinforcement plate is provided between the connecting plate and the side wall of the movable inner box.

[0010] Preferably, the anti-sinking leg hydraulic rods on the two sliding supports are at the same distance from the front plate; a flange ring with a through hole is provided on the outer peripheral side of the middle part of the anti-sinking leg hydraulic rod; a threaded hole opposite to the through hole on the flange ring is also provided on the lower bottom of the sliding support; the anti-sinking leg hydraulic rod is detachably connected to the sliding support at the flange ring by a bolt.

[0011] Beneficial effects of the utility model:

[0012] The utility model designs a device that can control the distance between the hydraulic rods of the double anti-sinking legs and the vehicle body. The device has a simple structure and is easy to control. It can adjust the extension length of the push hydraulic cylinder according to actual conditions, thereby ensuring that the projection position of the hydraulic rods of the anti-sinking legs on the ground is accurate. At the same time, the support of the hydraulic rods of the anti-sinking legs is stable and reliable, which can meet the needs of underground mining. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model in the embodiment;

[0014] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the device in another perspective;

[0015] Figure 3 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle device after the hydraulic rods of the anti-sinking legs are removed;

[0016] Figure 4 yes Figure 3 A schematic diagram of the three-dimensional structure of the device in another perspective;

[0017] Figure 5 yes Figure 3 Schematic diagram of the three-dimensional structure of the push hydraulic cylinder in the extended state after the top plate, front side plate of the positioning box and the front side plate of the movable inner box are removed from the middle device;

[0018] Figure 6 yes Figure 3 A top view of the device;

[0019] Figure 7 yes Figure 6 Front view of

[0020] Figure 8 yes Figure 6 Left view of;

[0021] Explanation of the accompanying reference numerals: 1. Positioning box, 2. Push hydraulic cylinder, 3. Push support, 4. Anti-sinking leg hydraulic rod, 5. Vertical partition, 6. Movable inner box, 7. Extended box body, 8. Rib plate, 9. Connecting plate, 10. Reinforcement plate, 11. Flange ring. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0023] Example:

[0024] Reference Figure 1 The present embodiment provides a telescopic mechanism box for installing a double oil cylinder; it includes a positioning box 1, in which two inner cavities are provided; the two inner cavities are arranged parallel to each other, and a push hydraulic cylinder 2 is installed in each inner cavity; the movable ends of the two push hydraulic cylinders 2 are arranged opposite to each other and facing outward, and a push support 3 is installed on the movable end; a guide hole is opened on the push support 3; an anti-sinking leg hydraulic rod 4 is installed at the positioning hole; the anti-sinking leg hydraulic rod 4 is arranged vertically.

[0025] The positioning box 1 is a square box structure with a hollow interior; a vertical partition 5 is provided in the middle of the inner cavity of the square box; the vertical partition 5 extends along the length direction of the positioning box 1; a movable inner box 6 is installed in the inner cavity of the positioning box 1; one end of the movable inner box 6 extends to the outside of the positioning box 1; the push support 3 is installed on the protruding end of the movable inner box 6; positioning holes are opened on the positioning box 1 and the movable inner box 6, and the fixed end and movable end of the push hydraulic cylinder 2 are respectively installed at the corresponding positioning holes through pins.

[0026] An extended box body 7 is provided on the positioning box 1 at positions corresponding to the protruding ends of the two movable inner boxes 6 .

[0027] The push support 3 is a horizontally arranged platform-shaped member; a rib 8 is provided on the top of the push support 3; a connecting plate 9 is provided on the side of the rib 8 facing the positioning box 1; the connecting plate 9 is installed on the protruding end of the movable inner box 6.

[0028] A reinforcing plate 10 is further provided between the connecting plate 9 and the side walls of the movable inner box 6 .

[0029] The anti-sinking leg hydraulic rods 4 on the two sliding supports 3 are at the same distance from the front plate; a flange ring 11 with a through hole is provided on the outer peripheral side of the middle part of the anti-sinking leg hydraulic rod 4; a threaded hole corresponding to the through hole on the flange ring 11 is also provided on the lower bottom of the sliding support 3; the anti-sinking leg hydraulic rod 4 is detachably connected to the sliding support 3 at the flange ring 11 by a bolt.

[0030] When using the utility model device in this embodiment for support, it is only necessary to control the push hydraulic cylinder to move in the inner cavity of the positioning box according to the actual situation to find a suitable support point; after the movable inner box is in place with the movement of the push hydraulic cylinder, the support operation can be completed by directly extending and retracting the anti-sinking support leg hydraulic rod on the push support and pressing it on the ground.

Claims

1. A telescopic mechanism box with dual oil cylinders, characterized in that: The invention comprises a positioning box (1), wherein two inner cavities are provided in the positioning box (1); the two inner cavities are arranged parallel to each other, and a push hydraulic cylinder (2) is installed in each inner cavity; the movable ends of the two push hydraulic cylinders (2) are arranged opposite to each other and facing outward, and a push support (3) is installed on the movable end; a guide hole is opened on the push support (3); an anti-sinking leg hydraulic rod (4) is installed at the positioning hole; the anti-sinking leg hydraulic rod (4) is arranged in the vertical direction.

2. The telescopic mechanism box for installing a double oil cylinder according to claim 1, characterized in that: The positioning box (1) is a square box structure with a hollow interior; a vertical partition (5) is provided in the middle of the inner cavity of the square box; the vertical partition (5) extends along the length direction of the positioning box (1); a movable inner box (6) is installed in the inner cavity of the positioning box (1); one end of the movable inner box (6) extends to the outside of the positioning box (1); the push support (3) is installed on the extended end of the movable inner box (6); positioning holes are opened on the positioning box (1) and the movable inner box (6), and the fixed end and the movable end of the push hydraulic cylinder (2) are respectively installed in the corresponding positioning holes through a pin shaft.

3. The telescopic mechanism box for installing a double oil cylinder according to claim 2, characterized in that: An extended box body (7) is provided on the positioning box (1) at positions corresponding to the protruding ends of the two movable inner boxes (6).

4. The telescopic mechanism box for installing a double oil cylinder according to claim 2, characterized in that: The push support (3) is a horizontally arranged platform-shaped component; a rib plate (8) is provided on the top of the push support (3); a connecting plate (9) is provided on the side of the rib plate (8) facing the positioning box (1); and the connecting plate (9) is installed on the protruding end of the movable inner box (6).

5. The telescopic mechanism box for installing a double oil cylinder according to claim 2, characterized in that: A reinforcing plate (10) is further provided between the connecting plate (9) and the side wall of the movable inner box (6).

6. The telescopic mechanism box for installing a double oil cylinder according to claim 1, characterized in that: The anti-sinking leg hydraulic rods (4) on the two sliding supports (3) are at the same distance from the front plate; a flange ring (11) with a through hole is provided on the outer peripheral side of the middle portion of the anti-sinking leg hydraulic rod (4); a threaded hole corresponding to the through hole on the flange ring (11) is also provided on the lower bottom of the sliding support (3); the anti-sinking leg hydraulic rod (4) is detachably connected to the sliding support (3) at the flange ring (11) by a bolt member.

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