Assembled I-shaped steel welding-free supporting device

Abstract

The utility model belongs to the technical field of I-shaped steel, and discloses an assembled I-shaped steel welding-free supporting device which comprises a vertical leg and a cross beam arranged on the vertical leg, and further comprises a first inclined strut, one end of the first inclined strut is detachably connected with the vertical leg, and the other end of the first inclined strut is detachably connected with the cross beam; the connecting assembly comprises first steel base plates and U-shaped clamps, the first steel base plates are arranged at the two ends of the first inclined strut, and the U-shaped clamps are used for fixing the first steel base plates; the U-shaped clamp comprises a U-shaped clamp body and a first nut, the U-shaped clamp body is provided with threads, the U-shaped clamp body is in threaded connection with the first nut, the first nut is matched with the first steel base plate, the connecting assembly further comprises deformed steel bars, and the deformed steel bars are used for connecting the two adjacent cross beams; the deformed steel bar is in threaded connection with a second steel base plate and a second nut, and the second nut is matched with the second steel base plate; the utility model avoids the problem that the installation of underground I-shaped steel needs fire operation, and is suitable for underground roadway support.

Description

Technical Field

[0001] The present invention belongs to the technical field of I-beams, and specifically relates to an assembled I-beam welding-free support device. Background Art

[0002] Ashele currently has a mining depth of 900m and a production capacity of over 6,000t / d. Since the mine was built, there have been 33 mining sections, and there are currently 16 mining sections. Due to the influence of rock crushing and ground pressure, the underground tunnels are poorly formed and tunnel collapses occur from time to time. To ensure construction safety, the I-beam support rate of underground rock crushing tunnels accounts for more than 80%, and all existing mining sections have I-beam support construction.

[0003] However, the existing I-beam support has the following defects: (1) There are hot work operations in almost all processes of the existing technology. For example, the cutting and welding of I-beam braces, crossbeams and leg connecting bars. Most of the unconventional hot work underground is on the I-beam support, which poses a great safety hazard. The main reason is that the sparks or heat sources generated during the hot work operation can easily cause the gas accumulated in the surrounding area to explode. (2) In terms of the assembly of I-beam support, the irregular welding of I-beam braces, crossbeams and connecting bars underground can easily cause insufficient I-beam support strength and cause collapse. (3) In terms of I-beam design and production, the diagonal braces made on the surface cannot be further increased in size, cross-sectional size or overall length due to transportation restrictions, resulting in the weakening of the support force of the I-beam crossbeam due to the large span. Utility Model Content

[0004] The purpose of this scheme is to provide an assembled I-beam welding-free support device to avoid the problem of underground I-beam installation requiring hot work.

[0005] In order to achieve the above-mentioned purpose, the present invention provides an assembled I-beam welding-free support device, including a vertical leg and a crossbeam arranged on the vertical leg, and also includes:

[0006] a first diagonal brace, wherein one end of the first diagonal brace is detachably connected to the vertical leg, and the other end of the first diagonal brace is detachably connected to the crossbeam;

[0007] A connecting assembly, the connecting assembly includes a first steel plate and a U-shaped clip, the first steel plate is arranged at both ends of the first diagonal brace, and the U-shaped clip is used to fix the first steel plate.

[0008] The principle of this solution is to provide a first diagonal brace to connect and support the vertical leg and the cross beam, and to provide a connecting assembly to fix the vertical leg, the cross beam and the first diagonal brace.

[0009] The effects of this solution are: (1) By replacing traditional welding operations with connecting components, underground hot work is avoided, improving the safety of the underground construction environment. (2) Since this device does not require welding, the size of the I-beam and the diagonal brace can be adjusted according to the actual situation underground, avoiding collapse accidents caused by insufficient support force.

[0010] Furthermore, the U-shaped card includes a U-shaped card body and a first nut, the U-shaped card body is provided with threads, the U-shaped card body is threadedly connected to the first nut, and the first nut is arranged in cooperation with the first steel pad.

[0011] The principle and effect of this scheme are as follows: (1) The crossbeam is inserted through the U-shaped card body, and then the first steel pad is respectively arranged at the connection between the first diagonal brace and the crossbeam and the vertical leg, and the first nut is threadedly connected to the U-shaped card body to limit the position of the first steel pad, thereby fixing the connection between the first diagonal brace and the crossbeam and the vertical leg. (2) The crossbeam, the vertical leg and the first diagonal brace are detachably connected through the U-shaped card, avoiding underground hot work. (3) Through the detachable connection method, the crossbeam and the vertical leg can be arranged at a suitable position and connected and fixed, avoiding insufficient support of the diagonal brace on the I-beam.

[0012] Furthermore, the first steel backing plate is provided with a through hole matching the U-shaped card body.

[0013] The principle and effect of this solution are as follows: the first steel pad is inserted into the U-shaped card body through the through hole, and the first steel pad is used to limit and support the connection of the first diagonal brace.

[0014] Furthermore, the number of the first nuts is two, and the two first nuts are both arranged on one side of the first steel pad.

[0015] The principle and effect of this solution are: the nut closest to the first steel plate is used to push the first steel plate to make it collide with the first diagonal support and limit the position of the first steel plate, and the nut farthest from the first steel plate is used to lock the previous nut.

[0016] Furthermore, the connection assembly also includes threaded steel bars, which are used to connect two adjacent beams; the threaded steel bars are threadedly connected to a second steel plate, and the threaded steel bars are threadedly connected to a second nut, and the second nut is arranged in cooperation with the second steel plate.

[0017] The principle and effect of this solution are as follows: (1) When supporting underground, it is necessary to connect several beams. Two adjacent beams are connected by threaded steel bars, and the threaded steel bars are fixed and locked by a second steel pad and a second nut. (2) The adjacent beams are detachably connected by threaded steel bars, which avoids welding with a welding gun and improves the safety of the underground construction environment.

[0018] Furthermore, the number of the second steel plate and the number of the second nuts are both two, and the two second nuts are respectively arranged on both sides of the second steel plate.

[0019] The principle and effect of this solution are as follows: the two steel pads slide on the threaded steel until they come into contact with the crossbeam, and then the steel pads are locked and fixed by the second nuts on both sides of the steel pads.

[0020] Furthermore, it also includes a second diagonal brace, one end of which is detachably connected to the vertical leg, and the other end of which is detachably connected to the crossbeam.

[0021] The principle and effect of this solution is that in the secondary excavation tunnel with umbrella rock and crushing, because the beam is long, the second diagonal brace is set to further improve the support strength, avoiding the problem of weakened support force of the I-beam beam due to excessive span.

[0022] Furthermore, the second diagonal brace is detachably connected to the vertical leg and the crossbeam respectively through a connecting assembly.

[0023] The principle and effect of this solution are: through the detachable connection of the connecting components, underground hot work is avoided, and the safety of the underground construction environment is improved.

[0024] Furthermore, a reserved hole is provided on the vertical leg.

[0025] The principle and effect of this solution is that if the installation height of the beam needs to be adjusted, the beam can be moved down to the reserved hole and installed.

[0026] Furthermore, it also includes a detection component, which includes a first contact arranged on the first steel plate and a second contact arranged on the second steel plate, a third contact matching with the first contact is provided on the first nut, and a fourth contact matching with the second contact is provided on the second nut.

[0027] The principle and effect of this scheme are as follows: (1) In this scheme, since the nuts need to be tightened in multiple places, when the nuts are not screwed to the appropriate position, it is easy to cause the steel pad to loosen, and then cause the connection to loosen. Therefore, a detection component is set to detect whether the nut is screwed to the preset appropriate position. (2) When the first nut rotates, the third contact contacts the first contact; when the second nut rotates, the fourth contact contacts the second contact; then through the external power supply, wires and indicator lights, if the indicator light is on or flashing, it means that the first contact contacts the third contact or the second contact contacts the fourth contact, and the first nut or the second nut is screwed to the appropriate position; if the indicator light is not on or flashing, it means that the first contact and the third contact are not in contact, and the first nut or the second nut is not screwed to the appropriate position, and the nut needs to be screwed again. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1This is a front view of an assembled I-beam welding-free support device of the utility model Figure 1 ;

[0029] Figure 2 This is a front view of an assembled I-beam welding-free support device of the utility model Figure 2 ;

[0030] Figure 3 It is a front view of the connection assembly of the utility model;

[0031] Figure 4 It is a top view of the first steel pad of the utility model;

[0032] Figure 5 It is a front view of the threaded steel, the second nut and the second steel plate of the utility model;

[0033] Figure 6 It is a top view of the second steel pad of the utility model.

[0034] The names of corresponding marks in the accompanying drawings are: vertical leg 1, reserved hole 11, cross beam 2, first diagonal brace 3, connecting assembly 4, first steel pad 41, through hole 411, U-shaped card 42, U-shaped card body 421, first nut 422, threaded steel 43, second steel pad 431, second nut 432, second diagonal brace 5, detection assembly 6, first contact 61, second contact 62. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the concept and technical effects of the utility model in combination with the embodiments, so as to fully understand the purpose, features and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model:

[0036] Embodiment 1:

[0037] See also Figure 1 , Figure 3 and Figure 4, an assembled I-beam welding-free support device, which is mainly suitable for tunneling in normal broken rock mass. The device includes a vertical leg 1, a first diagonal brace 3 and a crossbeam 2 from bottom to top. The first diagonal brace 3 is tilted to form a 45-degree angle with the vertical leg 1. The vertical leg 1, the first diagonal brace 3 and the crossbeam 2 are all I-beams. The crossbeam 2 is arranged on the vertical leg 1 and supported by the first diagonal brace 3; a reserved hole 11 is opened on the vertical leg 1. If the installation height of the crossbeam 2 needs to be adjusted, the crossbeam 2 can be moved to the vertical leg 1. Move down to the reserved hole 11 and install it, and also include a connecting assembly 4, the connecting assembly 4 includes a first steel pad 41 and a U-shaped card 42, the first steel pad 41 is arranged at both ends of the first diagonal brace 3, the U-shaped card 42 includes a U-shaped card body 421 and a first nut 422, the U-shaped card body 421 is threadedly connected with the first nut 422, the first steel pad 41 is provided with a through hole 411 matching the U-shaped card body 421, and the first nut 422 is arranged in coordination with the first steel pad 41. The U-shaped card body 421 is inserted into the crossbeam 2, and then the first steel pad 41 is respectively arranged at the connection between the first diagonal brace 3 and the crossbeam 2 and the vertical leg 1, and the first nut 422 is threadedly connected to the U-shaped card body 421, thereby limiting the position of the first steel pad 41, and then fixing the connection between the first diagonal brace 3 and the crossbeam 2 and the vertical leg 1. The U-shaped card 42 is used to detachably connect the cross beam 2, the vertical leg 1 and the first diagonal brace 3, avoiding underground hot work. At the same time, the cross beam 2 and the vertical leg 1 can be arranged and connected and fixed at a suitable position through the detachable connection method, avoiding the diagonal brace 3 from insufficiently supporting the I-beam. There are two first nuts 422, and both first nuts 422 are arranged on one side of the first steel pad 41. The first nut 422 closest to the first steel pad 41 is used to push the first steel pad 41 to make it collide with the first diagonal brace 3 and limit the position of the first steel pad 41. The first nut 422 farthest from the first steel pad 41 is used to lock the previous nut.

[0038] See also Figure 1 , Figure 5 and Figure 6The connection assembly 4 also includes a threaded steel bar 43, which is used to connect two adjacent beams 2. The threaded steel bar 43 is arranged on the top of the beam 2; the threaded steel bar 43 is threadedly connected to a second steel pad 431, and the threaded steel bar 43 is threadedly connected to a second nut 432, and the second nut 432 is arranged in cooperation with the second steel pad 431. During underground support, it is necessary to connect several beams 2, and two adjacent beams 2 are connected by threaded steel bars 43, and the threaded steel bars 43 are fixed and locked by the second steel pad 431 and the second nut 432. The adjacent beams 2 are detachably connected by the threaded steel bars 43, which avoids welding with a welding gun and improves the safety of the underground construction environment. The number of the second steel pad 431 and the second nut 432 are both two, and the two second nuts 432 are respectively arranged on both sides of the second steel pad 431. The two second steel pads 431 slide on the threaded steel 43 until they come into contact with the crossbeam 2 , and then the second steel pads 431 are locked and fixed by the second nuts 432 on both sides of the second steel pads 431 .

[0039] See also Figure 4 and Figure 6 , and also includes a detection component 6, which includes a first contact 61 provided on the first steel pad 41 and a second contact 62 provided on the second steel pad 431, a third contact matched with the first contact 61 is provided on the first nut 422, and a fourth contact matched with the second contact 62 is provided on the second nut 432. In this solution, since nuts need to be tightened at multiple locations, when the nuts are not screwed to the appropriate position, it is easy to cause the steel pad to loosen, and then cause the connection to loosen. Therefore, a detection component 6 is set to detect whether the nuts are screwed to the preset appropriate position. When the first nut 422 rotates, the third contact contacts the first contact 61; when the second nut 432 rotates, the fourth contact contacts the second contact 62; then through the external power supply, wires and indicator lights, if the indicator light is on or flashing, it means that the first contact 61 contacts the third contact or the second contact 62 contacts the fourth contact, and the first nut 422 or the second nut 432 is screwed to the appropriate position; if the indicator light is not on or flashing, it means that the first contact 61 is not in contact with the third contact, and the first nut 422 or the second nut 432 is not screwed to the appropriate position, and the first nut 422 or the second nut 432 needs to be screwed again.

[0040] Embodiment 2:

[0041] See also Figure 2 This solution is mainly suitable for secondary excavation tunnels with umbrella rocks and broken rocks. The difference between this embodiment and the previous embodiment is that a second diagonal brace 5 is added. The second diagonal brace 5 is detachably connected to the vertical leg 1 and the crossbeam 2 through a connecting component 4. Since the crossbeam 2 is relatively long in this environment, the second diagonal brace 5 is provided to further improve the strength of the support.

[0042] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An assembled I-beam welding-free support device, comprising a leg (1) and a crossbeam (2) arranged on the leg (1), characterized in that: Also includes: A first diagonal brace (3), wherein one end of the first diagonal brace (3) is detachably connected to the vertical leg (1), and the other end of the first diagonal brace (3) is detachably connected to the horizontal beam (2); A connecting assembly (4), the connecting assembly (4) comprising a first steel pad (41) and a U-shaped clamp (42), the first steel pad (41) being arranged at two ends of the first diagonal brace (3), and the U-shaped clamp (42) being used to fix the first steel pad (41).

2. The assembled I-beam welding-free support device according to claim 1 is characterized in that: The U-shaped card (42) comprises a U-shaped card body (421) and a first nut (422); the U-shaped card body (421) is provided with threads; the U-shaped card body (421) is threadedly connected to the first nut (422); and the first nut (422) is arranged in cooperation with the first steel pad (41).

3. The assembled I-beam welding-free support device according to claim 2 is characterized in that: The first steel backing plate (41) is provided with a through hole (411) matching the U-shaped card body (421).

4. The assembled I-beam welding-free support device according to claim 3 is characterized in that: The number of the first nuts (422) is two, and the two first nuts (422) are both arranged on one side of the first steel backing plate (41).

5. The assembled I-beam welding-free support device according to claim 2 is characterized in that: The connection assembly (4) further comprises a threaded steel bar (43), wherein the threaded steel bar (43) is used to connect two adjacent cross beams (2); the threaded steel bar (43) is threadedly connected to a second steel pad (431), the threaded steel bar (43) is threadedly connected to a second nut (432), and the second nut (432) is arranged in cooperation with the second steel pad (431).

6. The assembled I-beam welding-free support device according to claim 5 is characterized in that: The number of the second steel plate (431) and the number of the second nuts (432) are both two, and the two second nuts (432) are respectively arranged on both sides of the second steel plate (431).

7. The assembled I-beam welding-free support device according to claim 1 is characterized in that: It also comprises a second diagonal brace (5), one end of the second diagonal brace (5) being detachably connected to the vertical leg (1) and the other end of the second diagonal brace (5) being detachably connected to the horizontal beam (2).

8. The assembled I-beam welding-free support device according to claim 7 is characterized in that: The second diagonal brace (5) is detachably connected to the vertical leg (1) and the crossbeam (2) respectively via a connecting assembly (4).

9. The assembled I-beam welding-free support device according to claim 1, characterized in that: A reserved hole (11) is provided on the standing leg (1).

10. The assembled I-beam welding-free support device according to claim 6, characterized in that: The invention also comprises a detection assembly (6), wherein the detection assembly (6) comprises a first contact (61) provided on the first steel backing plate (41) and a second contact (62) provided on the second steel backing plate (431); a third contact matching with the first contact (61) is provided on the first nut (422); and a fourth contact matching with the second contact (62) is provided on the second nut (432).

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