Unit support anti-falling device

Abstract

The utility model relates to the technical field of coal mining support, and discloses a unit support anti-tilting device, which comprises a bottom frame and a first mounting seat, and support oil cylinders are respectively fixed on two sides of the bottom end in the bottom frame. When the unit support anti-tilting device is installed, the first installation base and the second installation base are installed and fixed outside the two sets of supporting oil cylinders, and then the supporting cylinder can be rotated outside the supporting rod through the protruding strips at the front end of the first installation base and the rear end of the second installation base. The supporting cylinders can be driven to move back and forth on the outer sides of the supporting rods while the supporting cylinders rotate on the outer threads of the supporting rods, and by adjusting the supporting lengths of the supporting rods and the supporting cylinders, the two sets of supporting cylinders can be fixedly installed and supported on the ground and the wall according to the distance between the wall and the ground. And the length of the anti-falling supporting assembly of the device is adjusted for installation and use, so that the problem that the installation length of the anti-falling supporting assembly in the device is inconvenient to adjust is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining support, in particular to a unit support anti-collapse device. Background Art

[0002] Before underground coal mining, a certain number of shafts and tunnels need to be arranged and excavated to reach the ore bed or coal seam. In order to maintain the stability and safety of the underground coal mine tunnels, unit supports will be used inside the tunnels to support the upper and lower structures inside the tunnels. The unit support is a structure used to support and fix components, mainly used to provide structural stability and bearing capacity.

[0003] During the installation and use of the unit bracket, in order to reduce and avoid the tilting and tipping of the unit bracket and improve the stability of the unit bracket, an anti-tip device is required to assist in supporting and fixing the unit bracket.

[0004] However, when the unit support anti-falling device is installed and used inside a shaft or tunnel, during the installation process, the components inside the device that are used to assist in supporting the unit support to prevent falling have a fixed installation length, which makes it difficult to adjust the installation and use according to different distances between the ground and the wall. This has drawbacks and makes it inconvenient to adjust the installation length of the anti-falling support components inside the device.

[0005] Now, a new type of unit support anti-falling device is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0006] The utility model aims to provide a unit support anti-falling device to solve the problem in the above background technology that it is inconvenient to adjust the installation length of the anti-falling support assembly inside the device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a unit support anti-falling device, comprising a base frame and a first mounting seat, support cylinders are respectively fixed on both sides of the bottom end of the base frame, and the front end of the support cylinder is provided with a first mounting seat, the rear end of the first mounting seat is provided with a second mounting seat, and the front end of the first mounting seat and the rear end of the second mounting seat are respectively provided with telescopic structures;

[0008] The telescopic structure includes a back plate, a first fixing frame, a first connecting head, a support tube, a second connecting head, a second fixing frame, a support rod and a convex strip. The first fixing frame is welded and fixed to the front end of the first mounting seat and the rear end of the second mounting seat respectively. The support tube is provided at the front end of the first mounting seat and the rear end of the second mounting seat respectively. The first connecting head is provided at the front end of the support tube, and the support rod is fixed to the rear end of the first connecting head. The second connecting head is movably connected to the rear end of the support tube, and the back plate is provided at the rear end of the second connecting head. The second fixing frame is welded and fixed to the front end of the back plate, and a convex strip is fixed to the outer side of the support tube.

[0009] Furthermore, the front end of the first connecting head is hingedly connected to the inside of the first fixing frame, and the rear end of the second connecting head is hingedly connected to the inside of the second fixing frame.

[0010] Furthermore, the outside of the support rod is provided with an external thread, the inside of the support tube is provided with an internal thread matching the external thread, and the convex strips are arranged in four groups at equal intervals in an annular manner on the outside of the support tube.

[0011] Preferably, mounting plates are respectively provided at the top and bottom ends of the support plate, and through holes are respectively opened on both sides of the front end of the mounting plate, connecting bolts are inserted into the through holes, a connecting plate is welded and fixed to the bottom end of the mounting plate, inner grooves are respectively opened inside the top and bottom ends of the support plate, and the mounting plates are symmetrically arranged with respect to the horizontal center line of the support plate.

[0012] Furthermore, the connecting plate is hingedly connected to the interior of the inner groove, and the through hole passes through the interior of the mounting plate.

[0013] Preferably, external frames are respectively provided on both sides of the outside of the first mounting seat and the second mounting seat, and fixing bolts are respectively provided on the right sides of both ends of the external frames, and threaded holes for cooperating with the fixing bolts are respectively provided inside on both sides of the front end of the first mounting seat and inside on both sides of the rear end of the second mounting seat, and the fixing bolts respectively penetrate the inside of both ends of the external frames.

[0014] Preferably, grooves are respectively provided inside both sides of the rear end of the first mounting seat and inside both sides of the front end of the second mounting seat, and inner pads are fixed inside the grooves. The first mounting seat and the second mounting seat are respectively engaged with the outer side of the supporting cylinder by means of the grooves.

[0015] Preferably, mounting bolts are respectively provided at the top and bottom of both sides of the front end of the first mounting seat, and connecting nuts are respectively provided at the top and bottom of both sides of the rear end of the second mounting seat, and the rear ends of the mounting bolts respectively penetrate the interiors of both sides of the first mounting seat and the second mounting seat.

[0016] Compared with the prior art, the utility model has the beneficial effects that: the unit bracket anti-falling device not only facilitates the adjustment of the installation length of the anti-falling support component inside the device, facilitates the installation and fixing of the device, but also facilitates the protection of the outside of the anti-falling support component;

[0017] (1) By providing a first mounting seat, a second mounting seat, a first fixing frame, a stop plate, a first connecting head, a support tube, a second connecting head, a second fixing frame, a support rod and a convex strip, when the anti-falling device is installed and used, the first mounting seat and the second mounting seat are first fixed to the outside of the two groups of supporting oil cylinders by means of mounting bolts and connecting nuts, and then the support tube provided can be rotated on the outside of the support rod by means of convex strips at the front end of the first mounting seat and the rear end of the second mounting seat respectively. When the thread on the outside of the support rod rotates, the support tube can be driven to move forward and backward on the outside of the support rod. By adjusting the overall support length of the support rod and the support tube, when the two groups of support tubes are fixedly installed and supported on the ground and the wall, the length of the anti-falling support assembly inside the device can be adjusted according to the distance between the wall and the ground for installation and use;

[0018] (2) By providing a butt plate, a mounting plate, a connecting plate and an inner groove, during the installation of the device, the butt plates at the rear ends of the two sets of support tubes are respectively placed against the wall and the ground, and then the anti-fall device can be installed and fixed by using connecting bolts to penetrate the inside of the through holes and screw them into the pre-buried pipes preset inside the wall and the ground. During the installation process, the mounting plates are hingedly connected to the inside of the top and bottom ends of the butt plates through the connecting plates, and can be bent at a certain angle during installation to adapt to some different curved installation surfaces for installation and use;

[0019] (3) After the device is installed on the outside of the unit bracket by providing a first mounting seat, a second mounting seat, a threaded hole, an external frame and fixing bolts, the external frame can be inserted into the outside of the first mounting seat and the second mounting seat on both sides of the outside of the first mounting seat and the second mounting seat respectively. Then, by using fixing bolts at both ends of the external frame to penetrate the inside of the external frame and screw them into the threaded holes respectively, the external frame can be fixedly installed on the outside of the first mounting seat and the second mounting seat. The symmetrically arranged external frame can provide anti-collision protection for the anti-fall device assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of a partial cross-sectional structure of a support tube of the utility model from a side view;

[0022] Figure 3 It is a schematic diagram of a partial cross-sectional structure of a second mounting seat in a top view of the present utility model;

[0023] Figure 4 It is a front view enlarged structural schematic diagram of the abutment plate of the present utility model.

[0024] In the figure: 1, base frame; 2, supporting cylinder; 3, first mounting seat; 4, through hole; 5, mounting plate; 6, abutment plate; 7, threaded hole; 8, first fixing frame; 9, second mounting seat; 10, first connecting head; 11, supporting tube; 12, second connecting head; 13, second fixing frame; 14, supporting rod; 15, convex strip; 16, connecting bolt; 17, slot; 18, inner pad; 19, outer frame; 20, mounting bolt; 21, connecting nut; 22, fixing bolt; 23, connecting plate; 24, inner groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1-4 A unit support anti-fall device comprises a base frame 1 and a first mounting seat 3, support cylinders 2 are fixed to both sides of the bottom end of the base frame 1, and the front end of the support cylinder 2 is provided with a first mounting seat 3, and the rear end of the first mounting seat 3 is provided with a second mounting seat 9, and the front end of the first mounting seat 3 and the rear end of the second mounting seat 9 are respectively provided with telescopic structures;

[0027] The telescopic structure includes a stop plate 6, a first fixing frame 8, a first connecting head 10, a support tube 11, a second connecting head 12, a second fixing frame 13, a support rod 14 and a convex strip 15. The first fixing frame 8 is welded and fixed to the front end of the first mounting seat 3 and the rear end of the second mounting seat 9 respectively. The support tube 11 is provided at the front end of the first mounting seat 3 and the rear end of the second mounting seat 9 respectively. The first connecting head 10 is provided at the front end of the support tube 11, and the support rod 14 is fixed to the rear end of the first connecting head 10. The rear end of the support tube 11 is movably connected to the second connecting head 12, and the rear end of the second connecting head 12 is provided with a stop plate 6. The second fixing frame 13 is welded and fixed to the front end of the stop plate 6, and the outer side of the support tube 11 is fixed with a convex strip 15.

[0028] The front end of the first connector 10 is hingedly connected to the inside of the first fixing frame 8, the rear end of the second connector 12 is hingedly connected to the inside of the second fixing frame 13, the outside of the support rod 14 is provided with an external thread, the inside of the support tube 11 is provided with an internal thread matching the external thread, and four groups of convex strips 15 are arranged at equal intervals in an annular manner on the outside of the support tube 11;

[0029] Specifically, Figure 1 and Figure 2 As shown, when the device is installed and used, the first mounting seat 3 and the second mounting seat 9 are first fixed to the outside of the two groups of supporting cylinders 2 by means of mounting bolts 20 and connecting nuts 21, and then the support tube 11 set at the front end of the first mounting seat 3 and the rear end of the second mounting seat 9 can be rotated on the outside of the support rod 14 by means of convex strips 15. When the thread on the outside of the support rod 14 rotates, the support tube 11 can be driven to move forward and backward on the outside of the support rod 14. By adjusting the overall support length of the support rod 14 and the support tube 11, when the two groups of support tubes 11 are fixedly installed and supported on the ground and the wall, the length of the anti-falling support assembly inside the device can be adjusted according to the distance between the wall and the ground for installation and use.

[0030] Embodiment 2: The top and bottom ends of the butt plate 6 are respectively provided with mounting plates 5, and through holes 4 are respectively opened on both sides of the front end of the mounting plate 5, and connecting bolts 16 are inserted into the through holes 4. A connecting plate 23 is welded and fixed to the bottom end of the mounting plate 5, and inner grooves 24 are respectively opened inside the top and bottom ends of the butt plate 6. The mounting plates 5 are symmetrically arranged about the horizontal center line of the butt plate 6, and the connecting plates 23 are hingedly connected to the inside of the inner groove 24, and the through holes 4 run through the inside of the mounting plate 5;

[0031] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, after the abutment plates 6 at the rear ends of the two groups of support tubes 11 are respectively abutted against the wall and the ground, the anti-fall device can be installed and fixed by using the connecting bolts 16 to penetrate the interior of the through holes 4 and screw them into the preset embedded pipes inside the wall and the ground. At the same time, during the installation process, the mounting plates 5 are hingedly connected to the interior of the top and bottom ends of the abutment plates 6 through the connecting plates 23, and can be bent at a certain angle during installation to adapt to some different curved mounting surfaces for installation and use.

[0032] Embodiment 3: External frames 19 are respectively provided on both sides of the outside of the first mounting seat 3 and the second mounting seat 9, and fixing bolts 22 are respectively provided on the right sides of both ends of the external frame 19, and threaded holes 7 for matching with the fixing bolts 22 are respectively provided inside the two sides of the front end of the first mounting seat 3 and inside the two sides of the rear end of the second mounting seat 9, and the fixing bolts 22 pass through the inside of both ends of the external frame 19;

[0033] Specifically, Figure 1 and Figure 3As shown, after the device is installed, the outer frame 19 can be inserted into the outside of the first mounting seat 3 and the second mounting seat 9 on both sides of the outside of the first mounting seat 3 and the second mounting seat 9 respectively, and then the outer frame 19 can be fixedly installed on the outside of the first mounting seat 3 and the second mounting seat 9 by using fixing bolts 22 at both ends of the outer frame 19 to penetrate the inside of the outer frame 19 and screw them into the threaded holes 7 accordingly. The symmetrically arranged outer frame 19 can provide anti-collision protection for the anti-fall device assembly.

[0034] Slots 17 are respectively provided inside the two sides of the rear end of the first mounting seat 3 and the two sides of the front end of the second mounting seat 9, and inner pads 18 are fixed inside the slots 17. The first mounting seat 3 and the second mounting seat 9 are respectively engaged with the outer side of the supporting cylinder 2 by means of the slots 17. Mounting bolts 20 are respectively provided on the top and bottom of the two sides of the front end of the first mounting seat 3, and connecting nuts 21 are respectively provided on the top and bottom of the two sides of the rear end of the second mounting seat 9. The rear ends of the mounting bolts 20 pass through the interiors of the first mounting seat 3 and the second mounting seat 9 on both sides.

[0035] Working principle: When the utility model is installed and used, the first mounting seat 3 and the second mounting seat 9 are first fixed to the outside of the two groups of supporting oil cylinders 2 by means of mounting bolts 20 and connecting nuts 21, and then the support tube 11 provided can be rotated on the outside of the support rod 14 by means of convex strips 15 at the front end of the first mounting seat 3 and the rear end of the second mounting seat 9, respectively. While the thread on the outside of the support rod 14 rotates, the support tube 11 can be driven to move forward and backward on the outside of the support rod 14. By adjusting the overall supporting length of the support rod 14 and the support tube 11, when the two groups of support tubes 11 are fixedly installed and supported on the ground and the wall, the length of the anti-falling support assembly inside the device can be adjusted according to the distance between the wall and the ground for installation and use. After the abutment plates 6 at the rear ends of the two groups of support tubes 11 are respectively abutted against the wall and the ground, the connecting bolts 16 can be used to penetrate through the support tube 11. After the through hole 4 is screwed into the embedded pipe preset in the wall and the ground, the anti-falling device can be installed and fixed. At the same time, during the installation process, the mounting plates 5 are hingedly connected to the top and bottom ends of the abutment plate 6 through the connecting plates 23. During installation, they can be bent at a certain angle to adapt to some different curved mounting surfaces for installation and use. After the device is installed on the outside of the unit bracket, the outer frame 19 can be inserted into the outside of the first mounting seat 3 and the second mounting seat 9 on both sides of the outside of the first mounting seat 3 and the second mounting seat 9, respectively. Then, by using fixing bolts 22 at both ends of the outer frame 19 to penetrate the inside of the outer frame 19 and screw them into the threaded holes 7 accordingly, the outer frame 19 can be fixedly installed on the outside of the first mounting seat 3 and the second mounting seat 9. The symmetrically arranged outer frame 19 can provide anti-collision protection for the anti-falling device assembly.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A unit support anti-fall device, comprising a base frame (1) and a first mounting seat (3), characterized in that: A supporting oil cylinder (2) is fixed to both sides of the bottom end of the base frame (1), and a first mounting seat (3) is arranged at the front end of the supporting oil cylinder (2), a second mounting seat (9) is arranged at the rear end of the first mounting seat (3), and a telescopic structure is arranged at the front end of the first mounting seat (3) and the rear end of the second mounting seat (9); The telescopic structure comprises a support plate (6), a first fixing frame (8), a first connecting head (10), a support tube (11), a second connecting head (12), a second fixing frame (13), a support rod (14) and a convex strip (15); the first fixing frame (8) is welded and fixed to the front end of the first mounting seat (3) and the rear end of the second mounting seat (9), respectively; the support tube (11) is provided at the front end of the first mounting seat (3) and the rear end of the second mounting seat (9), respectively; the first connecting head (10) is provided at the front end of the support tube (11), and the support rod (14) is fixed to the rear end of the first connecting head (10); the second connecting head (12) is movably connected to the rear end of the support tube (11), and the support plate (6) is provided at the rear end of the second connecting head (12); the second fixing frame (13) is welded and fixed to the front end of the support plate (6), and the convex strip (15) is fixed to the outer side of the support tube (11).

2. A unit support anti-falling device according to claim 1, characterized in that: The front end of the first connecting head (10) is hingedly connected to the inside of the first fixing frame (8), and the rear end of the second connecting head (12) is hingedly connected to the inside of the second fixing frame (13).

3. The unit support anti-falling device according to claim 1, characterized in that: The support rod (14) is provided with an external thread on the outside, the support tube (11) is provided with an internal thread matching the external thread on the inside, and the convex strips (15) are provided in four groups at equal intervals in an annular manner on the outside of the support tube (11).

4. The unit support anti-falling device according to claim 1, characterized in that: The top and bottom ends of the support plate (6) are respectively provided with mounting plates (5), and through holes (4) are respectively provided on both sides of the front end of the mounting plate (5), and connecting bolts (16) are inserted into the through holes (4). A connecting plate (23) is welded and fixed to the bottom end of the mounting plate (5), and inner grooves (24) are respectively provided inside the top and bottom ends of the support plate (6), and the mounting plates (5) are symmetrically arranged with respect to the horizontal center line of the support plate (6).

5. A unit support anti-falling device according to claim 4, characterized in that: The connecting plate (23) is hingedly connected to the inside of the inner groove (24), and the through hole (4) penetrates the inside of the mounting plate (5).

6. The unit support anti-falling device according to claim 1, characterized in that: External frames (19) are respectively arranged on both sides of the outside of the first mounting seat (3) and the second mounting seat (9), and fixing bolts (22) are respectively arranged on the right sides of both ends of the external frame (19), and threaded holes (7) for matching with the fixing bolts (22) are respectively opened inside the two sides of the front end of the first mounting seat (3) and inside the two sides of the rear end of the second mounting seat (9), and the fixing bolts (22) respectively penetrate the inside of both ends of the external frame (19).

7. The unit support anti-falling device according to claim 1, characterized in that: Slots (17) are respectively provided inside the two sides of the rear end of the first mounting seat (3) and inside the two sides of the front end of the second mounting seat (9), and inner pads (18) are fixed inside the slots (17). The first mounting seat (3) and the second mounting seat (9) are respectively engaged with the outer side of the supporting oil cylinder (2) by means of the slots (17).

8. The unit support anti-falling device according to claim 1, characterized in that: Mounting bolts (20) are respectively arranged at the top and bottom of both sides of the front end of the first mounting seat (3), and connecting nuts (21) are respectively arranged at the top and bottom of both sides of the rear end of the second mounting seat (9), and the rear ends of the mounting bolts (20) respectively penetrate the interior of both sides of the first mounting seat (3) and the second mounting seat (9).

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