Rear support telescopic mechanism on double-arm drill carriage

Abstract

The utility model discloses a rear supporting telescopic mechanism on a double-arm drill carriage, and belongs to the technical field of auxiliary supporting devices under mines. The front plate and the back plate are oppositely arranged; the back plate is attached to the rear side end face of the vehicle body. A first supporting plate and a second supporting plate are arranged between the front plate and the back plate; horizontal support plates are mounted at the positions, close to the front plate, of the front sides of the first supporting plate and the second supporting plate; a positioning box is arranged on the top end face of the horizontal supporting plate. 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; the anti-sinking landing leg hydraulic rod penetrates through the guide hole to be mounted; the anti-sinking structure effectively solves the problems that the width of the anti-sinking structure used by the conventional drill carriage is fixed, and the foot position of a supporting point cannot be adjusted according to actual construction conditions.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary supporting devices under mines, in particular to a rear support telescopic mechanism on a double-arm drilling vehicle. 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 support structure set at the rear of the vehicle body. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a rear support telescopic mechanism on a double-arm drilling vehicle to solve the problem that the anti-sinking structure used in the current conventional drilling vehicle has a fixed width and cannot adjust the support point landing position according to actual construction conditions.

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

[0005] A rear support telescopic mechanism on a double-arm drilling vehicle; it includes a front plate and a back plate arranged opposite to each other; the back plate is attached to the rear end surface of the vehicle body; a first support plate and a second support plate are arranged between the front plate and the back plate; a horizontal support plate is installed at a position close to the front plate on the front side of the first and second support plates; a positioning box is provided on the top end surface of the horizontal support plate; two inner cavities are provided in the positioning box; the two inner cavities are arranged parallel to each other, and a push hydraulic cylinder is installed in each of the inner cavities; the movable ends of the two push hydraulic cylinders are arranged opposite to each other and facing outward, and a push support is installed on the movable end; a guide hole is opened on the push support; the anti-sinking leg hydraulic rod is installed through the guide hole.

[0006] Preferably, a top plate is provided on the top of the back plate; a number of positioning holes for connecting to the mechanism on the vehicle body are opened on the top plate; a clamping plate is also provided between the first support plate and the second support plate; the back side of the clamping plate is connected to the back plate; the front plate is flush with the bottom of the back plate; a gap is left between the clamping plate and the front plate; a through hole is opened on the front side of the first support plate and the second support plate, and a through hole is also opened in the middle of the front plate; the front plate and the back plate are both dovetail-shaped flat plate structures, and the height of the front plate is less than the height of the back plate; the top height of the positioning box installed on the front plate is flush with the top plate.

[0007] Preferably, the first support plate is a U-shaped flat plate structure; its rear end is attached to the back plate; the height of the front side of the first support plate is lower than the height of the rear end; the second support plate is a rectangular plate structure; a process window is opened in the middle of the rectangular plate, and a step for placing a horizontal support plate is provided on the front side of the rectangular plate.

[0008] 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; an extended box body is provided at the position of the positioning box corresponding to the protruding ends of the two movable inner boxes.

[0009] The sliding support is a horizontally arranged platform-shaped component; a rib plate is provided on the top of the sliding support; a connecting plate is provided on the side of the rib plate facing the positioning box; the connecting plate is installed on the protruding end of the movable inner box; a reinforcing plate is also provided between the connecting plate and the side wall of the movable inner box; 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.

[0010] Beneficial effects of the utility model:

[0011] The utility model provides a bracket that can be installed in conjunction with the drilling vehicle structure; and a positioning box is provided on the bracket for a pair of push hydraulic cylinders that can be extended and retracted along the width direction. The push hydraulic cylinders are used to control the movement of the push support after the anti-sinking leg hydraulic cylinders are installed, thereby adjusting the position of the support point relative to the vehicle body, and then anti-sinking support can be performed by the anti-sinking leg hydraulic cylinders; the structure is simple and easy to operate. In addition to being able to maximize the distance between the two anti-sinking support points, it can also avoid interference between the device of the utility model and the equipment on the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Schematic diagram of the three-dimensional structure of the utility model device in this embodiment;

[0013] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle device after the anti-sinking support hydraulic cylinder is removed;

[0014] Figure 3 yes Figure 2A schematic diagram of the three-dimensional structure of the central device after removing the positioning box and its internal components;

[0015] Figures 4 to 6 They are Figure 3 The front view, left view and top view of the device;

[0016] Figure 7 3D structural diagram of the positioning box and its internal components and the anti-sinking leg hydraulic cylinder in the installed state in this embodiment;

[0017] Figure 8 yes Figure 7 A schematic diagram of the three-dimensional structure of the device in another perspective;

[0018] Figure 9 yes Figure 7 Schematic diagram of the three-dimensional structure of the middle device after the anti-sinking support hydraulic cylinder is removed;

[0019] Figure 10 yes Figure 9 A schematic diagram of the three-dimensional structure of the device in another perspective;

[0020] Figure 11 yes Figure 9 Schematic diagram of the three-dimensional structure of the push hydraulic cylinder in a stretched state after the upper plate, side plates of the positioning box and the side plates of the movable inner box are removed from the middle device;

[0021] Figures 12 to 14 They are Figure 9 The top view, front view and left view of the device;

[0022] Explanation of the accompanying reference numerals: 1. front plate, 2. back plate, 3. first support plate, 4. second support plate, 5. horizontal support plate, 6. positioning box, 7. push hydraulic cylinder, 8. push support, 9. anti-sinking support leg hydraulic cylinder, 10. top plate, 11. splint, 12. vertical partition, 13. connecting plate, 14. movable inner box, 15. rib plate, 91. flange ring. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0024] Example:

[0025] Reference Figure 1The present embodiment provides a rear support telescopic mechanism on a double-arm drilling vehicle; it includes a front plate 1 and a back plate 2 arranged opposite to each other; the back plate 2 is arranged on the rear end surface of the drilling vehicle; a first support plate 3 and a second support plate 4 are arranged between the front plate 1 and the back plate 2; a horizontal support plate 5 is installed at a position close to the front plate 1 on the front side of the first support plate 3 and the second support plate 4; a positioning box 6 is provided on the top end surface of the horizontal support plate 5; two inner cavities are provided in the positioning box 6; the two inner cavities are arranged parallel to each other, and a push hydraulic cylinder 7 is installed in each of the inner cavities; the movable ends of the two push hydraulic cylinders 7 are arranged opposite to each other and facing outward, and a push support 8 is installed on the movable end; a guide hole is opened on the push support 8; the anti-sinking leg hydraulic rod 9 is installed through the guide hole.

[0026] A top plate 10 is also provided on the top of the back plate 2; a number of positioning holes are opened on the top plate 10 for connecting with the mechanism on the vehicle body; a splint 11 is also provided between the first support plate 3 and the second support plate 4; the back side of the splint 11 is connected to the back plate 2; the front plate 1 is flush with the bottom of the back plate 2; a gap is left between the splint 11 and the front plate 1; through holes are opened on the front sides of the first support plate 3 and the second support plate 4, and a through hole is also opened in the middle of the front plate 1; the front plate 1 and the back plate 2 are both dovetail-shaped flat plate structures, and the height of the front plate 1 is less than the height of the back plate 2; the top height of the positioning box 6 installed on the front plate 1 is flush with the top plate 10.

[0027] The first support plate 3 is a U-shaped flat plate structure; its rear end is attached to the back plate 2; the height of the front side of the first support plate 3 is lower than the height of the rear end; the second support plate 4 is a rectangular plate structure; a process window is opened in the middle of the rectangular plate, and a step for placing the horizontal support plate 5 is provided on the front side of the rectangular plate.

[0028] The positioning box 6 is a square box structure with a hollow interior; a vertical partition 12 is provided in the middle of the inner cavity of the square box; the vertical partition 12 extends along the length direction of the positioning box 6; a movable inner box 14 is installed in the inner cavity of the positioning box 6; one end of the movable inner box 14 extends to the outside of the positioning box 6; the push support 8 is installed on the protruding end of the movable inner box 14; positioning holes are provided on both the positioning box 6 and the movable inner box 14, and the fixed end and the movable end of the push hydraulic cylinder 7 are respectively installed at the corresponding positioning holes through pins; an extended box body is provided at the position corresponding to the protruding ends of the two movable inner boxes 14 on the positioning box 6.

[0029] The sliding support 8 is a horizontally arranged platform-shaped component; a rib 15 is provided on the top of the sliding support 8; a connecting plate 13 is provided on the side of the rib 15 facing the positioning box 6; the connecting plate 13 is installed on the protruding end of the movable inner box 14; a reinforcing plate is also provided between the connecting plate 13 and the side wall of the movable inner box 14; the anti-sinking leg hydraulic rods 9 on the two sliding supports 8 are at the same distance from the front plate 1; a flange ring 91 with a through hole is provided on the outer peripheral side of the middle part of the anti-sinking leg hydraulic rod 9; a threaded hole opposite to the through hole on the flange ring 91 is also provided on the lower bottom of the sliding support 8; the anti-sinking leg hydraulic rod 9 is detachably connected to the sliding support 8 at the flange ring 91 by a bolt.

[0030] When using the utility model device in this embodiment, it is only necessary to first install the back plate at the corresponding position on the vehicle body. When anti-sinking support is required for the tail, the extension length of the push hydraulic cylinder relative to the positioning box is adjusted according to the on-site conditions so that the movable inner box can be extended from the positioning box. After it is in place, the anti-sinking support leg hydraulic cylinder is extended to the ground and pressed tightly for support.

Claims

1. A rear support telescopic mechanism on a double-arm drilling vehicle, characterized by: The invention comprises a front plate (1) and a back plate (2) which are arranged opposite to each other; the back plate (2) is arranged on the rear end surface of the drilling vehicle; a first support plate (3) and a second support plate (4) are arranged between the front plate (1) and the back plate (2); a horizontal support plate (5) is installed at a position close to the front plate (1) on the front side of the first support plate (3) and the second support plate (4); a positioning box (6) is provided on the top end surface of the horizontal support plate (5); two inner cavities are provided in the positioning box (6); the two inner cavities are arranged parallel to each other, and a push hydraulic cylinder (7) is installed in each of the inner cavities; the movable ends of the two push hydraulic cylinders (7) are arranged opposite to each other and face outward, and a push support (8) is installed on the movable end; a guide hole is opened on the push support (8); the anti-sinking leg hydraulic rod (9) is installed through the guide hole.

2. The rear support telescopic mechanism on a double-arm drilling vehicle according to claim 1, characterized in that: A top plate (10) is also provided on the top of the back plate (2); a plurality of positioning holes for connecting with the mechanism on the vehicle body are opened on the top plate (10); a clamping plate (11) is also provided between the first support plate (3) and the second support plate (4); the back side of the clamping plate (11) is connected to the back plate (2); the front plate (1) is flush with the bottom of the back plate (2); a gap is left between the clamping plate (11) and the front plate (1); through holes are opened on the front sides of the first support plate (3) and the second support plate (4), and a through hole is also opened in the middle of the front plate (1); the front plate (1) and the back plate (2) are both dovetail-shaped flat plate structures, and the height of the front plate (1) is less than the height of the back plate (2); the top height of the positioning box (6) installed on the front plate (1) is flush with the top plate (10).

3. The rear support telescopic mechanism on a double-arm drilling vehicle according to claim 1, characterized in that: The first support plate (3) is a U-shaped flat plate structure; its rear end is attached to the back plate (2); the height of the front side of the first support plate (3) is lower than the height of the rear end; the second support plate (4) is a rectangular plate structure; a process window is opened in the middle of the rectangular plate, and a step for placing the horizontal support plate (5) is provided on the front side of the rectangular plate.

4. The rear support telescopic mechanism on a double-arm drilling vehicle according to claim 1, characterized in that: The positioning box (6) is a square box structure with a hollow interior; a vertical partition (12) is provided in the middle of the inner cavity of the square box; the vertical partition (12) extends along the length direction of the positioning box (6); a movable inner box (14) is installed in the inner cavity of the positioning box (6); one end of the movable inner box (14) extends to the outside of the positioning box (6); the push support (8) is installed on the extended end of the movable inner box (14); positioning holes are provided on the positioning box (6) and the movable inner box (14), and the fixed end and the movable end of the push hydraulic cylinder (7) are respectively installed at the corresponding positioning holes through a pin shaft; an extended box body is provided at the position of the positioning box (6) corresponding to the extended ends of the two movable inner boxes (14).

5. The rear support telescopic mechanism on a double-arm drilling vehicle according to claim 4, characterized in that: The push support (8) is a horizontally arranged platform-shaped component; a rib plate (15) is provided on the top of the push support (8); a connecting plate (13) is provided on the side of the rib plate (15) facing the positioning box (6); the connecting plate (13) is installed on the protruding end of the movable inner box (14); a reinforcing plate is also provided between the connecting plate (13) and the side wall of the movable inner box (14); the anti-sinking leg hydraulic rods (9) on the two push supports (8) are at the same distance from the front plate (1); a flange ring (91) with a through hole is provided on the outer peripheral side of the middle part of the anti-sinking leg hydraulic rod (9); a threaded hole corresponding to the through hole on the flange ring (91) is also provided on the lower bottom of the push support (8); the anti-sinking leg hydraulic rod (9) is detachably connected to the push support (8) at the flange ring (91) by a bolt member.

Images