Connecting rod component on forepoling

Abstract

The utility model discloses a connecting rod component on an advance support, and belongs to the technical field of advance support devices under mines. The device comprises an upper connecting rod piece, a front connecting rod piece and a rear connecting rod piece, positioning holes are formed in the front side, the tail side and the position, close to the tail side, of the middle of the upper connecting rod piece; positioning holes are also formed in the upper and lower end sides of the front connecting rod piece and the rear connecting rod piece; hinge pins are arranged at the two positioning holes in the tail of the upper connecting rod piece. The front connecting rod piece and the rear connecting rod piece are rotatably connected with the hinge pin through positioning holes in the upper top end parts; the front connecting rod piece is longer than the rear connecting rod piece; the bottom box girder structure effectively solves the problem that a bottom box girder structure which can be matched with a single-group vertical frame arranged in the middle of a roadway and can provide an effective supporting effect is lacked currently.

Description

Technical Field

[0001] The utility model relates to the technical field of advanced support devices under mines, in particular to a connecting rod component on an advanced support. Background Art

[0002] The connecting rod is a component used to assist the hydraulic telescopic columns on the advance support bracket to provide a certain support between the upper and lower beams. The currently commonly used advance support structures mostly use two sets of frames to provide support for the upper beam plate; and in order to adapt to the current underground working environment, it is necessary to use a smaller footprint and only use a single set of frames arranged in the middle of the tunnel. Based on this, it is necessary to design a connecting rod structure for the advance support. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide a connecting rod component on an advance support to solve the problem of the current lack of a bottom box beam structure that can cooperate with a single set of vertical frames set in the middle of the tunnel to provide an effective supporting effect.

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

[0005] A connecting rod component on an advanced support; it includes an upper connecting rod component, a front connecting rod component and a rear connecting rod component; positioning holes are provided at the front side, the tail side and the middle position of the upper connecting rod component close to the tail side; positioning holes are also provided at the upper and lower end sides of the front connecting rod component and the rear connecting rod component; hinge pins are provided at the two positioning holes located at the tail end of the upper connecting rod component; the front connecting rod component and the rear connecting rod component are rotatably connected to the hinge pins through the positioning holes at the upper top end; the length of the front connecting rod component is greater than that of the rear connecting rod component.

[0006] Preferably, the upper connecting rod includes two oppositely arranged side plates; a top plate is provided at the top position between the two side plates; a distance sleeve is provided at the front side of the upper connecting rod; a V-shaped convex plate is also provided on the top plate at a position corresponding to the position between the two positioning holes at the tail of the upper connecting rod; a frame plate for reinforcement is also provided between the two side plates; one end of the frame plate is connected to the upper and lower positions of the outer wall of the distance sleeve through a joint plate; the distance sleeve is coaxial with the positioning hole, and its inner tube diameter is larger than the aperture size of the positioning hole.

[0007] Furthermore, the vertical cross-section of the frame plate is a hollow right-angled trapezoidal structure, one section of its oblique angled side is connected to the middle of the top plate, and the other side is arranged close to the lower side of the distance sleeve; a number of vertical plates are also arranged on the inner side of the right-angled trapezoid.

[0008] Furthermore, reinforcing pads are provided between the two side plates and the distance sleeve; the joint plate is clamped between the two reinforcing pads.

[0009] Preferably, the front connecting rod and the rear connecting rod have similar shapes, and both include a hollow square column designed in the middle and a distance sleeve arranged at the protruding end of the square column; the distance sleeve is coaxial with the positioning hole, and its inner tube diameter is larger than the aperture size of the positioning hole.

[0010] Preferably, reinforcing guard plates are attached to the two end side surfaces where the positioning holes are provided on the upper connecting rod; a stop pin ring plate and a stop pin socket are respectively provided at the positions corresponding to the two positioning holes on the reinforcing guard plate; the inner ring diameter of the stop pin ring plate is smaller than the outer shaft diameter of the hinge pin, and the hole diameter of the jack on the stop pin socket is consistent with the outer shaft diameter of the hinge pin; a T-shaped clamping plate can also be detachably provided on the stop pin socket.

[0011] Preferably, a plurality of hooks are provided on each outer end surface of the connecting rod member, the front connecting rod member and the rear connecting rod member.

[0012] Beneficial effects of the utility model:

[0013] The utility model designs a connecting rod component as an auxiliary connection between the upper and lower beams of the advance support. Its structure is stable and reliable, and improves the load-bearing ability of the upper connecting rod, the front connecting rod and the rear connecting rod. In addition, the utility model also provides an effective connection means for the design of the hinge pins and positioning holes between each connecting rod, thereby optimizing the stress condition of the hinge pin and improving the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model in the embodiment;

[0015] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the device in another perspective;

[0016] Figure 3 This is a structural view after the side panels of the upper connecting member, front connecting rod and rear connecting rod are removed;

[0017] Figure 4 yes Figure 3 A front view of the device;

[0018] Figure 5 3D schematic diagram of the retaining pin socket in this embodiment;

[0019] Explanation of the accompanying drawings: 1. Upper connecting rod, 1A. Side plate, 1B. Top plate, 1C. Distance sleeve, 1D. Protruding plate, 1E. Frame plate, 1F. Joint plate, 2. Front connecting rod, 3. Rear connecting rod, 4. Hinge pin, 5. Stop pin ring plate, 6. Stop pin socket, 7. Reinforcement guard plate. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0021] Example:

[0022] Reference Figure 1 The present embodiment provides a connecting rod component for an advanced support; it includes an upper connecting rod 1, a front connecting rod 2, and a rear connecting rod 3; positioning holes are formed at the front side, the rear side, and the middle position close to the rear side of the upper connecting rod 1; positioning holes are also formed at the upper and lower end sides of the front connecting rod 2 and the rear connecting rod 3; hinge pins 4 are provided at the two positioning holes located at the rear end of the upper connecting rod 1; the front connecting rod 2 and the rear connecting rod 3 are rotatably connected to the hinge pins 4 through the positioning holes at the upper top ends; the length of the front connecting rod 2 is greater than that of the rear connecting rod 3.

[0023] The upper connecting rod 1 includes two oppositely arranged side plates 1A; a top plate 1B is provided at the top position between the two side plates 1A; a distance sleeve 1C is provided at the front side of the upper connecting rod 1; a V-shaped protrusion 1D is also provided on the top plate 1B at a position corresponding to the position between the two positioning holes at the tail of the upper connecting rod 1; a frame plate 1E for reinforcement is also provided between the two side plates 1A; one end of the frame plate 1E is connected to the upper and lower positions of the outer side wall of the distance sleeve 1C through a joint plate 1F; the distance sleeve 1C is coaxial with the positioning hole, and its inner tube diameter is larger than the aperture size of the positioning hole.

[0024] The vertical cross-section of the frame plate 1E is a hollow right-angled trapezoidal structure, one section of its oblique angled side is connected to the middle of the top plate 1B, and the other side is arranged close to the lower side of the sleeve 1C; a number of vertical plates are also arranged on the inner side of the right-angled trapezoid.

[0025] Reinforcement pads are provided between the two side plates 1A and the distance sleeve 1C; the joint plate 1F is sandwiched between the two reinforcement pads.

[0026] The front link 2 and rear link 3 have similar shapes, each comprising a hollow square column in the middle and a distance sleeve at the end of the column. The distance sleeve is coaxial with the positioning hole, and its inner diameter is larger than the diameter of the positioning hole. In this embodiment, a structure similar to the vertical plate in the upper link is also provided in the hollow square column in the middle of the front and rear links to enhance the strength of the overall square column structure.

[0027] Reinforcement guard plates 7 are also attached to the two end side surfaces of the upper connecting rod 1 where positioning holes are provided; a stop pin ring plate 5 and a stop pin socket 6 are respectively provided at the positions corresponding to the two positioning holes on the reinforcement guard plate 7; the inner ring diameter of the stop pin ring plate 5 is smaller than the outer shaft diameter of the hinge pin 4, and the aperture of the insertion hole on the stop pin socket 6 is consistent with the outer shaft diameter of the hinge pin 4; a T-shaped clip can also be detachably provided on the stop pin socket 6.

[0028] A plurality of hooks are provided on each outer end surface of the connecting rod 1 , the front connecting rod 2 and the rear connecting rod 3 .

[0029] When using the utility model device in this embodiment, it is necessary to first assemble the various components according to the structure in the attached drawings, then lift the entire component by a crane, and hinge the positioning holes on the front side of the upper connecting rod to the top beam of the advance support, and hinge the positioning holes on the lower part of the front connecting rod and the rear connecting rod to the bottom beam of the advance support.

Claims

1. A connecting rod component on an advanced support, comprising an upper connecting rod (1), a front connecting rod (2) and a rear connecting rod (3); characterized in that: Positioning holes are provided at the front side, the rear side and the middle portion of the upper connecting rod (1); positioning holes are also provided at the upper and lower end sides of the front connecting rod (2) and the rear connecting rod (3); hinge pins (4) are provided at the two positioning holes at the rear end of the upper connecting rod (1); the front connecting rod (2) and the rear connecting rod (3) are rotatably connected to the hinge pins (4) through the positioning holes at the upper top end; the length of the front connecting rod (2) is greater than the length of the rear connecting rod (3).

2. The connecting rod component of the advance support according to claim 1, characterized in that: The upper connecting rod (1) comprises two side plates (1A) arranged opposite to each other; a top plate (1B) is arranged at the top position between the two side plates (1A); a distance sleeve (1C) is arranged at the front side of the upper connecting rod (1); a V-shaped convex plate (1D) is further arranged on the top plate (1B) at a position corresponding to between two positioning holes at the tail of the upper connecting rod (1); a frame plate (1E) for reinforcement is further arranged between the two side plates (1A); one end of the frame plate (1E) is connected to the upper and lower positions of the outer side wall of the distance sleeve (1C) through a joint plate (1F); the distance sleeve (1C) is coaxial with the positioning hole, and its inner tube diameter is larger than the hole diameter of the positioning hole.

3. The connecting rod component of the advance support according to claim 2, characterized in that: The vertical cross-section of the frame plate (1E) is a hollow right-angled trapezoidal structure, one section of its oblique angled side is connected to the middle of the top plate (1B), and the other side is arranged close to the lower side of the distance sleeve (1C); a plurality of vertical plates are also arranged on the inner side of the right-angled trapezoid.

4. The connecting rod component of the advance support according to claim 2, characterized in that: Reinforcement pads are provided between the two side plates (1A) and the distance sleeve (1C); and the joint plate (1F) is sandwiched between the two reinforcement pads.

5. The connecting rod component of the advance support according to claim 1, characterized in that: The front connecting rod (2) and the rear connecting rod (3) are similar in shape, and both comprise a hollow square column designed in the middle, and a distance sleeve arranged at the protruding end of the square column; the distance sleeve is coaxial with the positioning hole, and its inner diameter is larger than the aperture size of the positioning hole.

6. The connecting rod component of the advance support according to claim 1, characterized in that: A reinforcing guard plate (7) is attached to the two end side surfaces of the upper connecting rod (1) on which the positioning holes are provided; a stop pin ring plate (5) and a stop pin socket (6) are respectively provided at positions corresponding to the two positioning holes on the reinforcing guard plate (7); the inner ring diameter of the stop pin ring plate (5) is smaller than the outer shaft diameter of the hinge pin (4), and the hole diameter of the insertion hole on the stop pin socket (6) is consistent with the outer shaft diameter of the hinge pin (4); and a T-shaped card plate is also detachably provided on the stop pin socket (6).

7. The connecting rod component of the advance support according to claim 1, characterized in that: A plurality of hooks are provided on each outer end surface of the connecting rod member (1), the front connecting rod member (2) and the rear connecting rod member (3).

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