CN111810201A - Can let pressure U shaped steel support - Google Patents
Can let pressure U shaped steel support Download PDFInfo
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- CN111810201A CN111810201A CN202010668697.5A CN202010668697A CN111810201A CN 111810201 A CN111810201 A CN 111810201A CN 202010668697 A CN202010668697 A CN 202010668697A CN 111810201 A CN111810201 A CN 111810201A
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- Prior art keywords
- rod
- shaped
- yielding
- fixing
- fixedly connected
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
- E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
- F21S8/061—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a non-rigid pendant, i.e. a cable, wire or chain
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
- F21V21/38—Hoisting or lowering devices, e.g. for maintenance with a cable
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
Abstract
The invention relates to the field of supports, in particular to a yielding U-shaped steel support which comprises a supporting rod, a supporting mechanism, a fixing mechanism, a connecting mechanism, a reinforcing mechanism, a lighting mechanism and an alarm mechanism, wherein the supporting mechanism is fixedly connected to the upper end of the supporting rod, the supporting mechanism comprises an installation block, U-shaped frames, slots, yielding springs, strip-shaped openings, limiting screw rods and threaded grooves, the installation block is fixedly connected to the upper end of the supporting rod, the slots are formed in the side wall of the upper side of the installation block, the two U-shaped frames are inversely inserted into the two groups of slots, the yielding springs are connected to the inner wall of the lower side of the slots and are abutted against the yielding springs, the strip-shaped openings are formed in the side wall of the installation block and are communicated with the slots, and one end of each limiting screw rod transversely penetrates through the strip-shaped openings. The yielding U-shaped steel support provided by the invention has the advantages of long service life, improved supporting safety of a roadway and ensured personal safety of workers.
Description
Technical Field
The invention relates to the field of supports, in particular to a yielding U-shaped steel support.
Background
A roadway is a channel that is tunneled for mining lifting, transportation, ventilation, drainage, power supply, and the like during underground mining. The cross section of the roadway is mostly in an arch shape, a trapezoid shape or a rectangular shape, and the surrounding rock is soft and is in a round shape, an oval shape or a horseshoe shape. The tunnel is generally supported by the U-shaped steel support, so that the tunnel is prevented from collapsing, and the personal safety of workers is guaranteed.
The existing U-shaped steel support is mostly a U-shaped steel frame structure, when the wall at the top of a roadway falls down to some extent due to the appearance and the change of the wall, the acting force of the U-shaped steel support directly acts on the U-shaped steel support to the great extent, so that the U-shaped steel support is deformed or even damaged, the support is unstable, and the service life of the U-shaped steel support is prolonged. Therefore, it is necessary to provide a new yielding U-shaped steel bracket to solve the above technical problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a yielding U-shaped steel bracket.
The technical scheme adopted by the invention for solving the technical problems is as follows: a yielding U-shaped steel support comprises: two groups of support rods, a support mechanism, a fixing mechanism, a connecting mechanism, a reinforcing mechanism, a lighting mechanism and an alarm mechanism, the supporting mechanism is fixedly connected with the upper end of the supporting rod and comprises an installation block, a U-shaped frame, a slot, a pressure-yielding spring, a strip-shaped opening, a limiting screw rod and a thread groove, the mounting block is fixedly connected with the upper end of the supporting rod, the slot is arranged on the side wall of the upper side of the mounting block, and the two U-shaped frames are inversely inserted into the two groups of slots, the pressure-yielding springs are connected on the inner walls of the lower sides of the slots, the U-shaped frame is abutted against the pressure-yielding spring, the middle part of the pressure-yielding spring is provided with a limiting column, the strip-shaped opening is arranged on the side wall of the mounting block and is communicated with the slot, one end of the limiting screw penetrates through the strip-shaped opening transversely, the thread groove is formed in the side wall of the U-shaped frame, and one end of the limiting screw, penetrating through the strip-shaped opening, is inserted into the thread groove and is in threaded connection with the thread groove; the fixing mechanism is fixedly connected to the lower end of the supporting rod; the connecting mechanism is fixedly connected to the side wall of the supporting rod; the reinforcing mechanism is fixedly connected to the U-shaped frame; the illuminating mechanism is hung on the reinforcing mechanism; the alarm mechanism is arranged on the inner wall of the slot.
Preferably, the fixing mechanism comprises a fixing block and a fastening bolt, the fixing block is fixedly connected to the lower end of the supporting rod, and the fastening bolt vertically penetrates through the fixing block and is in threaded connection with the fixing block.
Preferably, coupling mechanism includes dead lever, slide bar, spout and extrusion spring, dead lever and slide bar horizontal fixed connection respectively on the same one side lateral wall that the bracing piece is close to each other of two sets of bracing pieces, the spout is transversely seted up in the dead lever and is close to one of slide bar and serve, and the one end that the slide bar is close to the dead lever inserts and locates in the spout, extrusion spring connects on the one side inner wall that the slide bar was kept away from to the spout, and the slide bar inserts the one end of locating the spout and offsets with the extrusion spring and set up.
Preferably, strengthening mechanism fixed connection is on U type frame, and strengthening mechanism includes anchor strut and fork type pole, and anchor strut and fork type pole are all installed in the notched part of U type frame, through welding the anchor strut on U type frame, and fork type pole rotates and installs the top at the anchor strut, just the tip of fork type pole is equipped with the lug, just the lug is contradicted with the tooth's socket that sets up on spacing post top inside wall.
Preferably, lighting mechanism includes first rings, second rings, supplementary rings, light, solid fixed ring and haulage rope, first rings and second rings are fixed connection respectively on the lower extreme of anchor strut and the lateral wall of bracing piece, supplementary rings fixed connection is on the lateral wall of U type frame, fixed ring fixed mounting is in the upper end of light, and the light hangs on the anchor strut through the haulage rope, the one end system of haulage rope connects on solid fixed ring, and the other end of haulage rope passes first rings, supplementary rings respectively connect on second rings.
Preferably, the alarm mechanism includes a sliding cavity, a press switch, a press block and an alarm, the sliding cavity is vertically arranged on the inner wall of the slot, the press switch is fixedly mounted on the inner wall of the lower side of the sliding cavity, the press block is slidably connected in the sliding cavity and fixedly connected with the side wall of the U-shaped frame, and the alarm is fixedly mounted on the side wall of the mounting block and electrically connected with the press switch.
Compared with the prior art, the yielding U-shaped steel bracket provided by the invention has the following beneficial effects:
(1) the yielding U-shaped steel bracket provided by the invention can extrude the U-shaped frame when the wall at the top of the roadway is lowered due to the appearance and change of the wall, so that the two ends of the U-shaped frame move downwards, the pressure-yielding spring is extruded, so that the U-shaped frame has a certain buffer distance, the U-shaped frame is prevented from being directly extruded by the wall of the roadway and damaged, the service life of the U-shaped frame is prolonged, the safety of the roadway is improved at the same time, when a plurality of groups of complete U-shaped steel brackets are connected and assembled, the sliding rods are inserted into the sliding grooves, the supporting rods on two adjacent U-shaped steel brackets are supported through the fixed rods and the sliding rods, when the support bar is extruded by the wall of the roadway or other acting forces, one end of the slide bar is driven to slide in the chute, the extrusion spring is extruded to have certain buffering force, and the extrusion force of the roadway wall is prevented from being directly applied to the fixed rod and the sliding rod to damage the fixed rod and the sliding rod.
(2) According to the yielding U-shaped steel support, the reinforcing rods and the fork-shaped rods are welded on the U-shaped frame, so that the strength of the U-shaped frame is improved, and the stability of roadway support is improved; the illuminating lamp is used for illuminating the roadway, the height of the illuminating lamp is adjusted by stretching the traction rope according to needs, the illuminating lamp can be taken down by the traction rope so as to be convenient to overhaul and replace, and the first hanging ring and the auxiliary hanging ring are arranged for guiding the traction rope and preventing the traction rope from interfering the work of workers in the roadway; receive the extrusion force great and be in when bearing the scope outside at U type frame, let pressure spring's deformation very big, lead to pressing the briquetting and slide in smooth chamber, directly press the press switch, make the alarm sound, remind the staff to consolidate the support in tunnel.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a yielding U-shaped steel bracket according to the present invention;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a schematic view of the structure shown at A in FIG. 1;
fig. 4 is a schematic structural diagram at B shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a support rod, 2, a support mechanism, 21, an installation block, 22, a U-shaped frame, 23, a slot, 24, a yielding spring, 25, a strip-shaped opening, 26, a limit screw rod, 27, a thread groove, 28, a limit column, 281, a tooth groove, 3, a fixing mechanism, 31, a fixing block, 32, a fastening bolt, 4, a connecting mechanism, 41, a fixing rod, 42, a sliding rod, 43, a sliding groove, 44, an extrusion spring, 5, a reinforcing mechanism, 51, a reinforcing rod, 52, a fork-shaped rod, 521, a bump, 6, an illuminating mechanism, 61, a first lifting ring, 62, a second lifting ring, 63, an auxiliary lifting ring, 64, an illuminating lamp, 65, a fixing ring, 66, a traction rope, 7, an alarm mechanism, 71, a sliding cavity, 72, a press switch, 73, a press block, 74 and an alarm.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, 2, 3 and 4, a yielding U-shaped steel support comprises a support rod 1, a support mechanism 2, a fixing mechanism 3, a connecting mechanism 4, a reinforcing mechanism 5, a lighting mechanism 6 and an alarm mechanism 7, wherein the support mechanism 2 is fixedly connected to the upper end of the support rod 1, the support mechanism 2 comprises a mounting block 21, U-shaped frames 22, slots 23, yielding springs 24, strip-shaped openings 25, a limit screw 26 and a thread groove 27, the mounting block 21 is fixedly connected to the upper end of the support rod 1, the slots 23 are arranged on the upper side wall of the mounting block 21, the two U-shaped frames 22 are inversely inserted into the two groups of slots 23, the yielding springs 24 are connected to the lower side inner wall of the slots 23, the U-shaped frames 22 are abutted against the yielding springs 24, the strip-shaped openings 25 are arranged on the side wall of the mounting block 21 and communicated with the slots 23, one end of the limit screw 26 transversely penetrates through the strip-shaped openings 25, the thread groove 27 is arranged on the side wall of the U-shaped frame 22, one end of a limiting screw 26 penetrating through the strip-shaped opening 25 is inserted into the thread groove 27 and is in threaded connection with the thread groove, the middle part of the pressure relief spring 24 is provided with a limiting column 28, in the using process of the device, each group of U-shaped steel supports are firstly installed, two ends of the U-shaped frame 22 are aligned with the slots 23 on the two installation blocks 21 to be inserted, the limiting screw 26 is screwed into the thread groove 27 on the U-shaped frame 22 from the strip-shaped opening 25 to connect the U-shaped frame 22 with the two support rods 1 to form a complete U-shaped steel support, each group of U-shaped steel supports are assembled and installed in a roadway, the top of the roadway is supported through the U-shaped frame 22, when the wall at the top of the roadway descends due to the appearance and change, the U-shaped frame 22 is extruded, so that two ends of the U-shaped frame 22 move downwards to extrude the pressure relief spring 24, make U type frame 22 have certain buffer distance, prevent that U type frame 22 from directly receiving the extrusion of tunnel wall and damaging, improved its life, improved the safety in tunnel simultaneously.
Referring to fig. 1 and 2, the fixing mechanism 3 is fixedly connected to the lower end of the support rod 1, the fixing mechanism 3 includes a fixing block 31 and a fastening bolt 32, the fixing block 31 is fixedly connected to the lower end of the support rod 1, and the fastening bolt 32 vertically penetrates through the fixing block 31 and is in threaded connection with the fixing block, the fixing block 31 is fixed on the ground through the fastening bolt 32, so that the support rod 1 is fixed on the ground, and the U-shaped frame 22 is supported by the support rod 1.
Referring to fig. 2, the connecting mechanism 4 is fixedly connected to the side walls of the supporting rods 1, the connecting mechanism 4 includes a fixing rod 41, a sliding rod 42, a sliding slot 43 and an extruding spring 44, the fixing rod 41 and the sliding rod 42 are respectively and transversely and fixedly connected to the side wall of one side of the two groups of supporting rods 1, which is the same as the side wall of the supporting rods 1, which is close to each other, the sliding slot 43 is transversely opened at one end of the fixing rod 41 close to the sliding rod 42, one end of the sliding rod 42 close to the fixing rod 41 is inserted into the sliding slot 43, the extruding spring 44 is connected to the inner wall of one side of the sliding slot 43, which is far away from the sliding rod 42, and the sliding rod 42 is inserted into one end of the sliding slot 43 and is disposed against the extruding spring 44, when connecting and assembling multiple groups of complete U-shaped steel supports, the sliding rod 42 is inserted into the sliding, one end of the sliding rod 42 is driven to slide in the sliding groove 43, and the extrusion spring 44 is extruded to have certain buffering force, so that the fixed rod 41 and the sliding rod 42 are prevented from being damaged due to the direct action of the extrusion force of the roadway wall.
Referring to fig. 1, the reinforcing mechanism 5 is fixedly connected to the U-shaped frame 22, the reinforcing mechanism 5 includes a reinforcing rod 51 and a fork-shaped rod 52, the reinforcing rod 51 and the fork-shaped rod 52 are both installed at the notched portion of the U-shaped frame 22, the reinforcing rod 51 is welded on the U-shaped frame 22, the fork-shaped rod 52 is rotatably installed at the top of the reinforcing rod 51, a protrusion 521 is disposed at an end portion of the fork-shaped rod 52, the protrusion 521 abuts against a tooth socket 281 disposed on an inner side wall of a top end of the position-limiting column 28, when collapse occurs, the reinforcing rod 51 is broken, the position-limiting column 28 slides upwards, and the protrusion 521 at the end portion of the fork-shaped rod 52 abuts against the tooth socket to achieve position limitation, and simultaneously strength of the U-shaped frame 22 is improved, and further, a stable triangular structure is formed between the fork-shaped rod 52 and the position-limiting column 28, thereby improving stability of roadway support.
Referring to fig. 1, the lighting mechanism 6 is suspended on the reinforcing mechanism 5, the lighting mechanism 6 includes a first hanging ring 61, a second hanging ring 62, an auxiliary hanging ring 63, a lighting lamp 64, a fixing ring 65 and a pulling rope 66, the first hanging ring 61 and the second hanging ring 62 are respectively fixedly connected to the lower end of the reinforcing rod 51 and the side wall of the support rod 1, the auxiliary hanging ring 63 is fixedly connected to the side wall of the U-shaped frame 22, the fixing ring 65 is fixedly installed at the upper end of the lighting lamp 64, the lighting lamp 64 is suspended on the reinforcing rod 51 through the pulling rope 66, one end of the pulling rope 66 is tied to the fixing ring 65, the other end of the pulling rope 66 is respectively tied to the second hanging ring 62 through the first hanging ring 61 and the auxiliary hanging ring 63, the roadway is illuminated through the lighting lamp 64, the height of the lighting lamp 64 is adjusted by stretching the pulling rope 66 as required, and the lighting lamp 64 can be taken down, the first lifting ring 61 and the auxiliary lifting ring 63 are arranged to guide the traction rope 66, so that the traction rope 66 is prevented from interfering with the work of workers in a roadway.
Referring to fig. 3, the alarm mechanism 7 is provided on the inner wall of the slot 23, the alarm mechanism 7 includes a sliding cavity 71, a press switch 72, a press block 73 and an alarm 74, the sliding cavity 71 is vertically provided on the inner wall of the slot 23, the press switch 72 is fixedly mounted on the lower inner wall of the sliding cavity 71, the press block 73 is slidably connected in the sliding cavity 71 and fixedly connected with the side wall of the U-shaped frame 22, the alarm 74 is fixedly mounted on the side wall of the mounting block 21 and electrically connected with the press switch 72, when the U-shaped frame 22 is subjected to a large extrusion force and is out of a bearing range, the press spring 24 is greatly deformed, so that the press block 73 slides in the sliding cavity 71, and the press switch 72 is directly pressed, so that the alarm 74 sounds, the worker is reminded to reinforce the support of the roadway, and the safety of the worker in the roadway is guaranteed.
The working principle of the device is as follows: in the use process of the device, each group of U-shaped steel supports is firstly installed, two ends of a U-shaped frame 22 are aligned with slots 23 on two installation blocks 21 and inserted, a limit screw 26 is screwed into a thread groove 27 on the U-shaped frame 22 from a strip-shaped opening 25, the U-shaped frame 22 is connected with two support rods 1 to form a complete U-shaped steel support, when a plurality of groups of complete U-shaped steel supports are connected and assembled, a slide rod 42 is inserted into a slide groove 43, the support rods 1 on two adjacent U-shaped steel supports are supported by a fixed rod 41 and the slide rod 42, when the support rods 1 are extruded by a roadway wall or other acting forces, one end of the slide rod 42 is driven to slide in the slide groove 43 to extrude an extrusion spring 44, so that the extrusion force of the roadway wall is provided with certain buffer force, and the phenomenon that the extrusion force of the roadway wall directly acts on the fixed rod 41 and the slide rod 42 to damage, the fixing block 31 is fixed on the ground through the fastening bolt 32, thereby the supporting rod 1 is fixed on the ground, the U-shaped frame 22 is supported through the supporting rod 1, the U-shaped frame 22 supports the top of the roadway, when the wall at the top of the roadway descends due to the appearance and change of the wall, the U-shaped frame 22 is extruded, thereby the two ends of the U-shaped frame 22 move downwards, the yielding spring 24 is extruded, the U-shaped frame 22 has a certain buffer distance, the U-shaped frame 22 is prevented from being directly extruded by the wall of the roadway and damaged, the service life of the U-shaped frame is prolonged, meanwhile, the safety of the roadway is improved, the roadway is illuminated through the illuminating lamp 64, the height of the illuminating lamp 64 is adjusted through stretching the traction rope 66 according to needs, the illuminating lamp 64 can be taken down through the traction rope 66, the illuminating lamp 64 can be conveniently overhauled and replaced, the first hanging ring 61 and the auxiliary hanging ring 63 are arranged to guide the traction rope 66, prevent that haulage rope 66 from hindering the work of staff in the tunnel, receive the extrusion force great and be in when bearing the scope outside at U type frame 22, let pressure spring 24's deformation very big, lead to pressing the briquetting 73 and slide in smooth chamber 71, directly press switch 72, make alarm 74 sound, remind the staff to consolidate the support in tunnel, ensured the security of staff's work in the tunnel.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The yielding U-shaped steel support is characterized by comprising two groups of supporting rods (1), a supporting mechanism (2), a fixing mechanism (3), a connecting mechanism (4), a reinforcing mechanism (5), a lighting mechanism (6) and an alarm mechanism (7), wherein the supporting mechanism (2) is fixedly connected to the upper ends of the supporting rods (1), the supporting mechanism (2) comprises an installation block (21), a U-shaped frame (22), slots (23), yielding springs (24), strip-shaped openings (25), limiting screw rods (26) and threaded grooves (27), the installation block (21) is fixedly connected to the upper ends of the supporting rods (1), the slots (23) are formed in the upper side wall of the installation block (21), the two U-shaped frames (22) are inversely inserted into the two groups of slots (23), the yielding springs (24) are connected to the lower side inner walls of the slots (23), the U-shaped frame (22) is abutted to the pressure yielding spring (24), a limiting column (28) is arranged in the middle of the pressure yielding spring (24), the strip-shaped opening (25) is formed in the side wall of the mounting block (21) and communicated with the slot (23), one end of the limiting screw (26) transversely penetrates through the strip-shaped opening (25) and is arranged, the thread groove (27) is formed in the side wall of the U-shaped frame (22), and one end, penetrating through the strip-shaped opening (25), of the limiting screw (26) is inserted into the thread groove (27) and is in threaded connection with the thread groove; the fixing mechanism (3) is fixedly connected to the lower end of the supporting rod (1); the connecting mechanism (4) is fixedly connected to the side wall of the support rod (1); the reinforcing mechanism (5) is fixedly connected to the U-shaped frame (22); the lighting mechanism (6) is suspended on the reinforcing mechanism (5); the alarm mechanism (7) is arranged on the inner wall of the slot (23).
2. The yielding U-shaped steel bracket as claimed in claim 1, wherein the fixing mechanism (3) comprises a fixing block (31) and a fastening bolt (32), the fixing block (31) is fixedly connected to the lower end of the support rod (1), and the fastening bolt (32) vertically penetrates through the fixing block (31) and is in threaded connection with the fixing block.
3. The yielding U-shaped steel bracket as claimed in claim 1, wherein the connecting mechanism (4) comprises a fixing rod (41), a sliding rod (42), a sliding groove (43) and an extrusion spring (44), the fixing rod (41) and the sliding rod (42) are respectively and transversely fixedly connected to one side wall of two sets of supporting rods (1) which are close to each other through the same side supporting rods (1), the sliding groove (43) is transversely arranged on one end of the fixing rod (41) close to the sliding rod (42), one end of the sliding rod (42) close to the fixing rod (41) is inserted into the sliding groove (43), the extrusion spring (44) is connected to the inner wall of one side of the sliding groove (43) far away from the sliding rod (42), and one end of the sliding rod (42) inserted into the sliding groove (43) is abutted to the extrusion spring (44).
4. The yielding U-shaped steel bracket as claimed in claim 1, wherein the reinforcing mechanism (5) comprises a reinforcing rod (51) and a fork-shaped rod (52), the reinforcing rod (51) and the fork-shaped rod (52) are both installed at the notch part of the U-shaped frame (22), the reinforcing rod (51) is welded on the U-shaped frame (22), the fork-shaped rod (52) is rotatably installed at the top of the reinforcing rod (51), the end part of the fork-shaped rod (52) is provided with a convex block (521), and the convex block (521) is abutted against a toothed groove (281) formed on the inner side wall of the top end of the limiting column (28).
5. The yielding U-shaped steel bracket as claimed in claim 4, wherein the lighting mechanism (6) comprises a first hanging ring (61), a second hanging ring (62), an auxiliary hanging ring (63), a lighting lamp (64), a fixing ring (65) and a traction rope (66), the first hanging ring (61) and the second hanging ring (62) are respectively and fixedly connected to the lower end of the reinforcing rod (51) and the side wall of the supporting rod (1), the auxiliary hoisting ring (63) is fixedly connected to the side wall of the U-shaped frame (22), the fixing ring (65) is fixedly arranged at the upper end of the illuminating lamp (64), and the illuminating lamp (64) is hung on the reinforcing rod (51) through a pulling rope (66), one end of the pulling rope (66) is tied on the fixing ring (65), and the other end of the hauling cable (66) respectively passes through the first hanging ring (61) and the auxiliary hanging ring (63) and is tied on the second hanging ring (62).
6. The yielding U-shaped steel bracket as claimed in claim 1, wherein the alarm mechanism (7) comprises a sliding cavity (71), a press switch (72), a press block (73) and an alarm (74), the sliding cavity (71) is vertically arranged on the inner wall of the slot (23), the press switch (72) is fixedly arranged on the lower inner wall of the sliding cavity (71), the press block (73) is slidably connected in the sliding cavity (71) and fixedly connected with the side wall of the U-shaped frame (22), and the alarm (74) is fixedly arranged on the side wall of the mounting block (21) and electrically connected with the press switch (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668697.5A CN111810201A (en) | 2020-07-13 | 2020-07-13 | Can let pressure U shaped steel support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668697.5A CN111810201A (en) | 2020-07-13 | 2020-07-13 | Can let pressure U shaped steel support |
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| CN111810201A true CN111810201A (en) | 2020-10-23 |
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| CN202010668697.5A Withdrawn CN111810201A (en) | 2020-07-13 | 2020-07-13 | Can let pressure U shaped steel support |
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| CN105649657A (en) * | 2016-03-09 | 2016-06-08 | 中国矿业大学 | U-shaped steel bracket with flexible stable supporting device |
| CN206987839U (en) * | 2017-05-18 | 2018-02-09 | 岳鹏飞 | A kind of tunnel bearer shed |
| CN207905827U (en) * | 2017-11-14 | 2018-09-25 | 洛阳水利勘测设计有限责任公司 | A kind of tunnel support structure |
| CN108708747A (en) * | 2018-05-23 | 2018-10-26 | 黄建国 | A kind of active stress eliminating device for loose sand sand cobble geology constructing tunnel |
| CN208734349U (en) * | 2018-06-28 | 2019-04-12 | 中铁二十五局集团第一工程有限公司 | A kind of tunnel exploitation excavation supporting mechanism |
| CN109653775A (en) * | 2019-01-22 | 2019-04-19 | 湖南科技大学 | A kind of achievable three-dimensional allows the buffering stand and method for protecting support of pressure |
| CN209495278U (en) * | 2019-01-23 | 2019-10-15 | 东莞市坤保兴五金实业有限公司 | A kind of bulkhead lamp mounting bracket of adjustable-angle |
| CN110017158A (en) * | 2019-04-26 | 2019-07-16 | 天地科技股份有限公司上海分公司 | Tunnel safety protective cradle |
| CN110656967A (en) * | 2019-10-25 | 2020-01-07 | 吴贺 | Mining thin coal hydraulic support |
| CN210858747U (en) * | 2019-11-28 | 2020-06-26 | 李强 | Coal mine tunnel supporting device |
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