Pressure-bearing base of advance support
By designing a pressure-bearing base for advanced support, adopting a ship-shaped structure with a central support and end platforms, and combining push jacks, the problem of lack of pressure-bearing supports for a single set of vertical frames in the underground working environment is solved, and effective support and easy movement of the tunnel are achieved.
Patent Information
- Application Number
- CN202422832149.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The prior art lacks a single-set stand pressure-bearing support structure suitable for underground mine working environments.
A pressure-bearing base for advance support was designed, including a flat central support, end platforms, beam clamping plates and push jacks. End platforms were set at both ends of the central support as push seats, and a ship-shaped structure was adopted to reduce movement resistance. Combined with push jacks, a movable connection was achieved.
The invention provides a pressure-bearing base with a simple structure and convenient processing, which can effectively support the tunnel in the underground working environment, reduce the movement resistance, and assist its own movement to meet the pressure-bearing requirements of the tunnel.
Smart Images
Figure CN223459399U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mine under advanced support device technical field, concretely relates to a kind of pressure bearing base of advanced support. BACKGROUND
[0002] With the continuous advancing of coal mining face, the pressure of advanced section of roadway moves forward, so it needs to strengthen support in the advanced section of face outlet;The advanced support in roadway is to prevent the deformation, movement or damage of roadway surrounding rock caused by the superposition of advanced support pressure and inclined direction support pressure;The current commonly used advanced support structure is mostly similar to the patent documents disclosed in application number "2009100109003" or "2007101853158", that is, two groups of vertical frames are used to support the beam plate;In order to adapt to the current underground working environment, the applicant needs to design a kind of vertical frame arranged in the middle of roadway using only a single group, and based on this, it is necessary to design a new bottom pressure bearing seat structure. SUMMARY
[0003] The technical problem to be solved by the utility model is to provide a pressure bearing base of advanced support to solve the problem of lack of pressure bearing base that can be used with a single group of vertical frame for the current underground working environment.
[0004] To solve the above problems, the utility model provides the following technical scheme:
[0005] A pressure bearing base of advanced support;It includes a flat central support;End tables are arranged on the front and rear sides of the central support;One end of the end table is the same size as the width of the end of the central support, and the other end is smaller than the width of the end of the central support;The end of the end table is a boat-shaped structure with a large upper and a small lower;A pair of vertical clamping beams are installed in the middle of the central support;The clamping beam is placed along the length direction of the central support;A push seat is arranged on the end table;A push jack is hingedly installed on the push seat;The two adjacent central supports are connected by the push jack.
[0006] The central support is a hollow rectangular platform;The rectangular platform includes a bottom plate;Side walls are arranged on the left and right sides of the top end face of the bottom plate;The bottom of the clamping beam is arranged on the bottom plate;A plurality of horizontal plates are arranged on the area between the clamping beam and the side wall on the bottom plate;The horizontal plate is arranged along the width direction of the bottom plate, and the horizontal plate is the same height as the side wall;A top plate is arranged on the horizontal plate and the side wall.
[0007] Preferably, a plurality of reinforcing rib plates are arranged between the clamping beam and the central support;The reinforcing rib plate is an L-shaped plate, and the two long edges are attached to the clamping beam and the central support respectively;The projection of the reinforcing rib plate and the horizontal plate on the bottom plate of the central support overlaps.
[0008] Preferably, the end platform is a hollow platform structure, the bottom plane and the top plane of the end platform are isosceles trapezoidal in shape, and the size of the bottom plane is smaller than that of the top plane.
[0009] Preferably, the end platform and the central support platform are an integral structure, and one end side of the push seat is arranged in close contact with the clamping beam plate.
[0010] Preferably, the number of push seats arranged on each end platform is two, and positioning holes are arranged at opposite positions of the two push seats; positioning pins penetrating the push seats are arranged at the positioning holes; stop pin clamping blocks limiting the movement of the positioning pins are further arranged at the end side of the push seat where the positioning pins extend; and one end of the push-moving jack is hingedly mounted on the positioning pin between the two push seats.
[0011] Further, an inclined stop plate for limiting the rotation angle of the push-moving jack is further arranged between the two push seats; the inclined stop plate is located on the lower side of the positioning pin, and the rear end of the inclined stop plate is connected with the end platform.
[0012] The utility model discloses beneficial effects:
[0013] The utility model discloses a ship-shaped pressure bearing base, which takes a rectangular central support platform as the main structure, sets end platforms as mounting components of push seats and push-moving jacks at both ends of the central support platform, narrows the front side width of the end platform to reduce the resistance when the end platform moves, and makes the front end of the end platform into a ship-shaped structure with a large upper part and a small lower part, so that the movable resistance is further reduced and the water slag can move along the two sides of the end platform. The utility model has the advantages of simple structure, convenient processing, good fluid shape design, meeting the new roadway pressure bearing working demand, and assisting the movement of the device. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the device in the embodiment of the utility model;
[0015] Figure 2 It is Figure 1 the top view of the device;
[0016] Figure 3 It is Figure 1 the three-dimensional structure schematic view of the device from another perspective after the bottom plate is removed;
[0017] Figure 4 It is the installation three-dimensional schematic view of the central support platform and the end platform after the unilateral clamping beam plate is removed in the embodiment;
[0018] Figure 5 It is Figure 4 the top view;
[0019] Explanation of reference signs: 1, central support table, 1A, bottom plate, 1B, side wall, 1C, horizontal plate, 1D, top plate, 2, end table, 3, clamping beam plate, 4, push seat, 5, push moving jack, 6, reinforcing rib plate. DETAILED DESCRIPTION
[0020] The utility model will be further introduced below in combination with the drawings and specific examples:
[0021] Embodiment:
[0022] Reference Figure 1 The embodiment provides a pressure bearing base of advance support; it includes flat central support table 1;End table 2 is arranged on the front and rear sides of central support table 1;The width of one end of end table 2 is same with the width of the end of central support table 1, and the width of the other end is less than the width of the end of central support table 1;The protruding end of end table 2 is the boat-shaped structure of big up and small down;A pair of vertical clamping beam plates 3 are installed in the middle of central support table 1;Clamping beam plate 3 is placed along the length direction of central support table 1;Push seat 4 is arranged on end table 2;Push moving jack 5 is hingedly installed on push seat 4;The push moving jack used in the embodiment is movably connected between two adjacent central support tables 1 through push moving jack 5.
[0023] Central support table 1 is a rectangular platform with hollow inside;The rectangular platform includes bottom plate 1A;Side wall 1B is arranged on the left and right sides of the top end face of bottom plate 1A along;The bottom of clamping beam plate 3 is arranged on bottom plate 1A;A plurality of horizontal plates 1C are arranged on the area between clamping beam plate 3 and side wall 1B on bottom plate 1A;Horizontal plate 1C is arranged along the width direction of bottom plate 1A, and horizontal plate 1C is equal in height with side wall 1B;Top plate 1D is arranged on horizontal plate 1C and side wall 1B.
[0024] A plurality of reinforcing rib plates 6 are arranged between clamping beam plate 3 and central support table 1;Reinforcing rib plate 6 is an L-shaped plate, and the two long edges of the L-shaped plate are attached to clamping beam plate 3 and central support table 1 respectively;The projection of reinforcing rib plate 6 and horizontal plate 1C on the bottom plate 1A of central support table 1 is coincident.
[0025] End table 2 is a platform structure with hollow inside, and the contour shape of the bottom plane and the top plane of end table 2 is isosceles trapezoidal, and the size of the bottom plane is less than the size of the top plane.
[0026] End table 2 and central support table 1 are integrated structure, and one end side of push seat 4 is attached to clamping beam plate 3.
[0027] The number of the push seats 4 arranged on each end platform 2 is two, and positioning holes are arranged at the opposite positions of the two push seats 4; positioning pins penetrating the push seats 4 are arranged at the positioning holes; stop pin clamping blocks limiting the movement of the positioning pins are arranged at the end sides of the push seats 4 where the positioning pins extend out; one end of the push jacking device 5 is hingedly connected to the positioning pin between the two push seats 4.
[0028] An inclined stop plate limiting the rotation angle of the push jacking device 5 is arranged between the two push seats 4; the inclined stop plate is located at the lower side of the positioning pin, and the rear end of the inclined stop plate is connected to the end platform 2.
[0029] When the device of the embodiment of the utility model is used, it only needs to be assembled according to the structure shown in the figure, and then installed in cooperation with the bottom beam seat of the advanced support.
Claims
1. A pressurized base for forepoling, characterized in that: It includes flat central support (1), end table (2) is arranged on the front and rear side of central support (1), the width of one end of end table (2) is same with the width of the end of central support (1), the width of the other end is less than the width of the end of central support (1), the protruding end of end table (2) is boat-shaped structure with big top and small bottom, a pair of vertical clamping beam plates (3) are installed in the middle of central support (1), clamping beam plate (3) is placed along the length direction of central support (1), push seat (4) is arranged on end table (2), push moving jack (5) is hingedly installed on push seat (4), two adjacent central supports (1) are movably connected by push moving jack (5).
2. A pressurized base for forepoling according to claim 1, characterized in that: Central support (1) is a hollow rectangular platform, the rectangular platform includes bottom plate (1A), side wall (1B) is arranged on the left and right side of the top end surface of bottom plate (1A), the bottom of clamping beam plate (3) is arranged on bottom plate (1A), a plurality of horizontal plates (1C) are arranged on the area between clamping beam plate (3) and side wall (1B) of bottom plate (1A), horizontal plate (1C) is arranged along the width direction of bottom plate (1A), and horizontal plate (1C) is same height with side wall (1B), top plate (1D) is arranged on horizontal plate (1C) and side wall (1B).
3. A pressurized base for forepoling according to claim 1, characterized in that: A plurality of reinforcing rib plates (6) are arranged between clamping beam plate (3) and central support (1), reinforcing rib plate (6) is an L-shaped plate, two long edges of reinforcing rib plate (6) are respectively attached to clamping beam plate (3) and central support (1), the projection of reinforcing rib plate (6) and horizontal plate (1C) on bottom plate (1A) of central support (1) is coincident.
4. A pressurized base for forepoling according to claim 1, characterized in that: End table (2) is a hollow platform structure, the contour shape of the bottom plane and the top plane of end table (2) is isosceles trapezoid, and the size of the bottom plane is less than the size of the top plane.
5. A pre-support pressure-bearing base according to claim 1, characterized in that: End table (2) and central support (1) are integrated structure, one end side of push seat (4) is attached to clamping beam plate (3).
6. A pressurized base for forepoling according to claim 1, characterized in that: The number of push seats (4) arranged on each end table (2) is two, positioning holes are opened at the opposite positions of two push seats (4), positioning pins penetrating push seat (4) are arranged at the positioning holes, stop pin clamping blocks limiting the movement of positioning pins are arranged at the end side of positioning pins protruding from push seat (4), one end of push moving jack (5) is hingedly installed on the positioning pin between two push seats (4).
7. A pressurized base for forepoling according to claim 6, characterized in that: Inclined baffle for limiting the rotation angle of push moving jack (5) is arranged between two push seats (4), the lower side of inclined baffle is located at the positioning pin, and the rear end of inclined baffle is connected with end table (2).