Assembled steel supporting frame

Abstract

The utility model relates to the technical field of mine construction, in particular to an assembly type steel supporting frame which comprises a set of installation bases, a protection mechanism and a reinforcing mechanism are arranged on the top of the set of installation bases, supporting mechanisms are arranged on the two sides of the set of installation bases, and the protection mechanism is a set of supporting column sleeves. The bottoms of the supporting column sleeves are fixedly connected with the mounting bases respectively, the inner walls of the tops of the supporting column sleeves are in meshed connection with one-way threaded rods, the top ends of the one-way threaded rods are rotationally connected with rotating rods, the two ends of the rotating rods are fixedly connected with the same main protection plate, an inner groove is formed in the front end of the main protection plate, and sliding grooves are formed in the two sides of the inner groove respectively. The height of the main protection plate and the inner protection plate can be actively adjusted through the arranged one-way threaded rod so that the main protection plate and the inner protection plate can be better attached to the inner wall of the vertical shaft, meanwhile, the diameter of a common body composed of the main protection plate and the inner protection plate can be adjusted according to the actual inner diameter of the vertical shaft through sliding of the sliding rods in the sliding grooves, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of mine construction, in particular to an assembled steel support frame. Background Art

[0002] As the throat of the mine, the shaft is the key to mine production. Mine shafts are a common structure in mining projects, used to provide vertical passages for the entry and exit of personnel, materials, equipment, and the transportation of ore and other materials from underground to the surface. Mine shafts are usually dug underground by drilling or blasting.

[0003] During the excavation process of mine shaft construction, support structures are needed to prevent collapse. At the same time, concrete pouring is required when fixing the support structure. However, when the support structure is not installed, it is difficult to transport and pour concrete on the top of the shaft, which is not practical. Therefore, it is urgent to design an assembled steel support frame to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an assembled steel support frame to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An assembled steel support frame includes a group of mounting bases, a group of mounting bases having a protective mechanism and a reinforcing mechanism on the top, a group of mounting bases having supporting mechanisms on both sides, the protective mechanism being a group of support sleeves, a group of support sleeves having bottoms fixedly connected to a group of mounting bases respectively, a one-way threaded rod meshingly connected to the inner wall at the top of the support sleeve, a rotating rod rotatably connected to the top of the one-way threaded rod, a main guard plate fixedly connected to both ends of the rotating rod, an inner groove is provided at the front end of the main guard plate, sliding grooves are provided on both sides of the inner groove, a group of sliding grooves are slidably connected to the same sliding rod, the outer wall of the sliding rod is rotatably connected to the inner guard plate, and the outer wall of the inner guard plate is slidably connected to the inner wall of the inner groove.

[0007] Preferably, a group of inner guard plates are evenly provided with a plurality of grooves at the front end, and the plurality of grooves are plugged into each other.

[0008] Preferably, the tops of a group of main guard plates and a group of inner guard plates are tightly fitted against the inner wall of the shaft.

[0009] Preferably, the supporting mechanism is a group of side rods, one group of side rods are fixedly connected to both sides of the mounting base, one group of side rods are provided with T-slots inside, one group of T-slots are interconnected and rotatably connected to the same bidirectional threaded rod, the outer walls at both ends of the bidirectional threaded rod are meshedly connected to threaded sleeves, one group of threaded sleeves are respectively slidably connected to the inner walls of a group of T-slots, and one end of the bidirectional threaded rod extends out of the outer wall of the side rod and is fixedly connected to a turning handle.

[0010] Preferably, a support plate is fixedly connected to the top of the threaded sleeve, a group of side plates are slidably connected to the top of the support plate, a group of side plates have tooth grooves on their inner walls, a fixing piece is fixedly connected to the outer wall of the rotating rod, support rods are rotatably connected to both sides of the fixing piece, teeth are provided on the outer wall of the bottom end of the support rod, a group of teeth are meshed with the tooth grooves, and the bottom end of the support rod is fixedly connected to a group of side plates by positioning bolts.

[0011] Preferably, the reinforcing mechanism is a reinforcing steel bar and a plurality of protective steel bars, and the reinforcing steel bars are plugged into the bite points between a group of inner guard plates.

[0012] Preferably, a plurality of protective steel bars are evenly arranged on both sides of a group of main guard plates and inner guard plates.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the height of the main guard plate and the inner guard plate can be actively adjusted by the one-way threaded rod, so that they are more closely fitted to the inner wall of the shaft. At the same time, the sliding rod is used to slide in the slide groove, and the diameter of the community composed of the main guard plate and the inner guard plate can be adjusted according to the actual inner diameter of the shaft. The operation is simple, and the quick docking and assembly between the two groups of inner guard plates can not only realize the effective support of the shaft, but also ensure the safety of subsequent mine shaft excavation construction. At the same time, the assembled structure also improves the installation efficiency of the entire support frame.

[0015] In the utility model, the position of a group of threaded sleeves can be adjusted by rotating the handle through the support mechanism, thereby enhancing the stability of the device when supporting the top of the shaft. At the same time, the tooth grooves and teeth are meshed with each other, further enhancing the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the overall structure of an assembled steel support frame.

[0017] Figure 2 The figure is a schematic diagram of the overall internal structure of an assembled steel support frame.

[0018] Figure 3 The figure is a schematic diagram of the protective mechanism structure of an assembled steel support frame.

[0019] Figure 4 It is a partial exploded view of the support mechanism of an assembled steel support frame.

[0020] In the figure: 1. Inner wall of the shaft; 2. Mounting base; 3. Support sleeve; 4. One-way threaded rod; 5. Turn bar; 6. Main guard plate; 7. Inner groove; 8. Slide groove; 9. Slide bar; 10. Inner guard plate; 11. Groove; 12. Reinforcement steel bar; 13. Side rod; 14. T-slot; 15. Two-way threaded rod; 16. Threaded sleeve; 17. Support plate; 18. Side plate; 19. Tooth groove; 20. Teeth; 21. Fixing piece; 22. Support rod; 23. Positioning bolt; 24. Protective steel bar. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 4 In the embodiment of the utility model, an assembled steel support frame includes a group of mounting bases 2, a group of mounting bases 2 are provided with a protective mechanism and a reinforcing mechanism on the top, a group of mounting bases 2 are provided with supporting mechanisms on both sides, the protective mechanism is a group of support sleeves 3, a group of support sleeves 3 are respectively fixedly connected to a group of mounting bases 2 at the bottom, a one-way threaded rod 4 is meshed and connected to the inner wall of the top of the support sleeve 3, a rotating rod 5 is rotatably connected to the top of the one-way threaded rod 4, and the same main guard plate 6 is fixedly connected to both ends of the rotating rod 5, an inner groove 7 is provided at the front end of the main guard plate 6, and slide grooves 8 are respectively provided on both sides of the inner groove 7, a group of slide grooves 8 are slidably connected with the same sliding rod 9, the outer wall of the sliding rod 9 is rotatably connected to the inner guard plate 10, the outer wall of the inner guard plate 10 is slidably connected to the inner wall of the inner groove 7, and the diameter of the community composed of the main guard plate 6 and the inner guard plate 10 can be adjusted according to the inner diameter of the actual shaft.

[0023] At the same time, a plurality of grooves 11 are evenly opened at the front end of a group of inner guard plates 10, and the plurality of grooves 11 are plugged into each other, and the tops of a group of main guard plates 6 and a group of inner guard plates 10 are tightly fitted with the inner wall 1 of the shaft.

[0024] The supporting mechanism is a group of side rods 13, which are fixedly connected to both sides of the mounting base 2, and a group of side rods 13 are provided with T-slots 14 inside, and a group of T-slots 14 are mutually connected and rotatably connected to the same bidirectional threaded rod 15, and the outer walls of both ends of the bidirectional threaded rod 15 are meshed and connected with threaded sleeves 16, and a group of threaded sleeves 16 are respectively slidably connected to the inner walls of a group of T-slots 14, and one end of the bidirectional threaded rod 15 extends out of the outer wall of the side rod 13 and is fixedly connected to a turning handle, and the top of the threaded sleeve 16 is fixedly connected to a support plate 17, and the top of the support plate 17 A group of side plates 18 are slidably connected, and tooth grooves 19 are provided on the inner walls of the group of side plates 18. A fixing piece 21 is fixedly connected to the outer wall of the rotating rod 5. Support rods 22 are rotatably connected on both sides of the fixing piece 21. Teeth 20 are provided on the outer walls of the bottom ends of the support rods 22. A group of teeth 20 are meshed with the tooth grooves 19. The bottom end of the support rod 22 is fixedly connected to a group of side plates 18 by positioning bolts 23, which enhances the stability of the device when supporting the top of the shaft, and the tooth grooves 19 are meshed with the teeth 20, which further enhances the stability of the device.

[0025] The reinforcing mechanism is a reinforcing steel bar 12 and a plurality of protective steel bars 24. The reinforcing steel bars 12 are plugged into the joints between a group of inner guard plates 10. The plurality of protective steel bars 24 are evenly arranged on both sides of a group of main guard plates 6 and inner guard plates 10 to protect the inner wall of the top of the shaft and prevent dangers such as falling rocks from the top of the shaft.

[0026] The working principle of the utility model is as follows: a group of mounting bases 2 are placed somewhere on the inner wall of the shaft to be supported, and fixed to the ground in the shaft, the one-way threaded rod 4 is rotated according to the height of the shaft top so that the main guard plate 6 contacts the inner wall of the shaft top, a group of inner guard plates 10 are slid out from the inside of the main guard plate 6, and the grooves 11 are used to make the two mesh, the reinforcing steel bars 12 are inserted to fix them, the bottom end of the support rod 22 is located above the side rod 13 and slides, so that the support rod 22 and the fixing member 21 are tilted and stably supported, the turning handle is turned to rotate the two-way threaded rod 15, so that the threaded sleeve 16 moves to the bottom end position of the support rod 22, and the positioning bolts 23 are used to fix the bottom end of the support rod 22 with the threaded sleeve 16, the support plate 17, and a group of side plates 18, so that the teeth 20 mesh with the tooth grooves 19. At this time, the support rod 22 generates a stable supporting force, and then a plurality of protective steel bars 24 are used to fix the plurality of groups of main guard plates 6 and the inner guard plates 10, so that the inner wall of the shaft top is completely protected.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. An assembled steel support frame, comprising a set of mounting bases (2), a protective mechanism and a reinforcing mechanism being arranged on the top of the set of mounting bases (2), and a supporting mechanism being arranged on both sides of the set of mounting bases (2), characterized in that: The protection mechanism is a group of support sleeves (3), the bottom of each group of support sleeves (3) is fixedly connected to a group of mounting bases (2), the inner wall of the top of the support sleeve (3) is meshedly connected with a one-way threaded rod (4), the top of the one-way threaded rod (4) is rotatably connected with a rotating rod (5), both ends of the rotating rod (5) are fixedly connected with the same main guard plate (6), the front end of the main guard plate (6) is provided with an inner groove (7), both sides of the inner groove (7) are provided with sliding grooves (8), a group of sliding grooves (8) are slidably connected with the same sliding rod (9), the outer wall of the sliding rod (9) is rotatably connected with an inner guard plate (10), and the outer wall of the inner guard plate (10) is slidably connected with the inner wall of the inner groove (7).

2. The assembled steel support frame according to claim 1, characterized in that: A group of inner guard plates (10) are evenly provided with a plurality of grooves (11) at the front end, and the plurality of grooves (11) are plugged into each other.

3. The assembled steel support frame according to claim 1, characterized in that: The tops of a group of main guard plates (6) and a group of inner guard plates (10) are tightly fitted to the inner wall (1) of the shaft.

4. The assembled steel support frame according to claim 1, characterized in that: The support mechanism comprises a group of side rods (13), the group of side rods (13) are fixedly connected to both sides of the mounting base (2), a group of side rods (13) are provided with T-shaped slots (14) inside, the group of T-shaped slots (14) are mutually connected and rotatably connected to the same bidirectional threaded rod (15), the outer walls of both ends of the bidirectional threaded rod (15) are meshedly connected to threaded sleeves (16), the group of threaded sleeves (16) are respectively slidably connected to the inner walls of the group of T-shaped slots (14), and one end of the bidirectional threaded rod (15) extends out of the outer wall of the side rod (13) and is fixedly connected to a turning handle.

5. The assembled steel support frame according to claim 4, characterized in that: The top of the threaded sleeve (16) is fixedly connected to a support plate (17), the top of the support plate (17) is slidably connected to a group of side plates (18), the inner walls of the group of side plates (18) are provided with tooth grooves (19), the outer wall of the rotating rod (5) is fixedly connected to a fixing piece (21), both sides of the fixing piece (21) are rotatably connected to support rods (22), the outer wall of the bottom end of the support rod (22) is provided with teeth (20), a group of teeth (20) and the tooth grooves (19) are meshed with each other, and the bottom end of the support rod (22) is fixedly connected to the group of side plates (18) by positioning bolts (23).

6. The assembled steel support frame according to claim 1, characterized in that: The reinforcing mechanism comprises reinforcing steel bars (12) and a plurality of protective steel bars (24), and the reinforcing steel bars (12) are plugged into the bite points between a group of inner guard plates (10).

7. The assembled steel support frame according to claim 6, characterized in that: The plurality of protective steel bars (24) are evenly arranged on both sides of a group of main guard plates (6) and inner guard plates (10).

Images