CN119353023A - A support frame for underground engineering construction - Google Patents
A support frame for underground engineering construction Download PDFInfo
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- CN119353023A CN119353023A CN202411895926.1A CN202411895926A CN119353023A CN 119353023 A CN119353023 A CN 119353023A CN 202411895926 A CN202411895926 A CN 202411895926A CN 119353023 A CN119353023 A CN 119353023A
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- supporting
- side wing
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 230000001360 synchronised effect Effects 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of engineering construction, in particular to a support frame for underground engineering construction, which comprises a vertical support frame, a top support substrate arranged on the vertical support frame and a plurality of side wing support assemblies arranged on the top support substrate, wherein a frame type support top frame is supported and arranged at the top of each side wing support assembly, the main body of the frame type support top frame is a support frame box, the support frame box is of a frame body structure, the side wing support assemblies comprise a mounting base, a hydraulic support assembly arranged on the mounting base and a support bracket arranged on the hydraulic support assembly, the mounting base is rotatably arranged on the top support substrate, a bottom support frame and a synchronous driving piece arranged on the bottom support frame are fixedly arranged on the top support substrate, and the synchronous driving piece drives the mounting bases at two sides to synchronously turn through chain type driving pieces at two sides. The invention provides important guarantee for the safety construction of underground engineering by virtue of the high adjustability, stability, construction convenience and environmental adaptability.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a support frame for underground engineering construction.
Background
In underground engineering construction, the use of a support frame is important. The method is mainly used for preventing surrounding rock from collapsing and stone from falling, and ensuring construction safety and smooth engineering. The support frame not only bears the weight of underground engineering, but also plays a role in protecting constructors and equipment. With the acceleration of the urban process and the continuous promotion of infrastructure construction, the construction scale of underground projects such as subways, tunnels, underground pipe galleries and the like is increasingly enlarged. These projects are typically located in areas where geological conditions are complex and environmentally sensitive, placing higher demands on the performance and quality of the scaffold.
The existing underground engineering construction strutting arrangement is hydraulic jack and crossbeam cooperation use, and the position of top supporting point can't be adjusted as required, and adopts the point-to-surface contact between piston rod and the crossbeam, and stability and the security of support frame are not enough, in the work progress, the risk that soil layer or stone drop appears easily on the upper strata.
Disclosure of Invention
The invention aims to provide a support frame for underground engineering construction, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The support frame for underground engineering construction comprises a vertical support frame, a top support substrate arranged on the vertical support frame and a plurality of side wing support assemblies arranged on the top support substrate, wherein a frame type support top frame is arranged at the top of each side wing support assembly in a supporting mode, a main body of the frame type support top frame is a support frame box, the support frame box is of a frame body structure, a frame box top frame is arranged at the top of the frame body of the support frame box, soil layer support assemblies are arranged on frame plates of the frame box top frame, each side wing support assembly comprises a mounting base, a hydraulic support assembly arranged on the mounting base and a support bracket arranged on the hydraulic support assembly, the mounting base is provided with two frame plates respectively arranged on two sides of the top support substrate, the support bracket is supported at the bottom of the frame plate of the support frame box, the mounting base is rotatably arranged on the top support substrate, a bottom support frame and a synchronous driving piece arranged on the bottom support frame, and the synchronous driving piece is synchronously rotated through chain transmission pieces arranged on two sides of the mounting bases.
As a further scheme of the invention, the two sides of the frame wall of the supporting frame are respectively provided with a side wing fixing plate, a side wing supporting top plate is arranged above each side wing fixing plate through an outwards bent convex plate, and the supporting bracket is supported and fixed at the bottom of the corresponding side wing fixing plate.
The soil layer supporting component comprises a straight plate supporting component and a folding plate supporting component, wherein the straight plate supporting component and the folding plate supporting component are arranged on a frame box top frame, the straight plate supporting component comprises a side edge base plate fixed on the frame box top frame, a straight plate adjusting rail arranged on the side edge base plate and a supporting straight plate arranged on the straight plate adjusting rail, the supporting straight plate is slidably arranged on the straight plate adjusting rail, a second adjusting cylinder is further arranged on the side edge base plate, a second adjusting rod is arranged at the pushing end of the second adjusting cylinder, and the second adjusting rod is connected with a plate body of the supporting straight plate.
The folding plate supporting component comprises a frame angle track frame and a frame edge track frame, wherein the frame edge track frame is arranged at the frame edge position of a frame box top frame, the frame angle track frame is arranged at the frame angle position of the frame box top frame, the folding plate supporting component further comprises a frame angle supporting top plate and a frame edge supporting top plate, the frame angle supporting top plate is arranged on the frame angle track frame, the frame edge supporting top plate is arranged on the frame edge track frame, the frame angle supporting top plate is of an L-shaped structure and is distributed along the frame angle of the frame box top frame, a first adjusting cylinder is further arranged on the frame edge of the frame box top frame, a first adjusting rod is arranged at the moving end of the first adjusting cylinder, the first adjusting rod is connected with the plate body of the frame angle supporting top plate, and the frame edge supporting top plate is integrally connected with the frame angle supporting top plate.
The invention further provides a scheme that the bottom support frame is of a concave frame structure, the top of the bottom support frame is provided with a locking bolt, the synchronous driving piece comprises a fixed base, a shaft driving machine box arranged on the fixed base and an adjusting support shaft arranged on the shaft driving machine box, the fixed base is fixedly arranged at the midpoint position of the bottom of the frame body of the bottom support frame, the adjusting support shaft is arranged along the frame body of the bottom support frame, and the fixed base is also provided with a driving motor for driving the adjusting support shaft to rotate.
The hydraulic support assembly is arranged on the wing mounting frame, an extension shaft is arranged on the rotation support barrel, driven gears are arranged on the extension shaft, shaft end sleeves are respectively arranged at the shaft ends of the adjusting support shafts, driving gears are arranged on the shaft end sleeves, and linkage chains are connected between the driving gears and the corresponding driven gears.
The support bracket comprises a bottom support frame plate and side wing support frame plates arranged on two sides of the bottom support frame plate, wherein the bottom support frame plate and the side wing support frame plates on two sides form a concave frame, the bottom of a support frame box is supported in the concave frame, the side wing fixing plates and the side wing support frame plates are integrally fixed, an outer wing base is further arranged on the side edge of the side wing support frame plate, and an outer wing support seat is arranged on the outer wing base through fixing bolts.
As a still further proposal of the invention, a hydraulic cylinder positioning sleeve and mounting support sleeves arranged on two sides of the hydraulic cylinder positioning sleeve are arranged on a frame plate of the side wing mounting frame, the hydraulic support assembly comprises a hydraulic cylinder arranged in the hydraulic cylinder positioning sleeve and a lifting slide bar penetrating through the mounting support sleeve, a pushing end of the hydraulic cylinder is fixedly connected with an outer wing support seat through a top support seat, and the top of the lifting slide bar is fixed at the bottom of the outer wing support seat.
Compared with the prior art, the invention has the beneficial effects that:
The invention takes the mounting flank supporting component and the frame type supporting roof frame as a main supporting structure, and the supporting frame box is taken as the main body of the frame type supporting roof frame, adopts the structural design of a frame body, improves the firmness of supporting and can also pocket falling soil layers and falling rocks in the supporting range. The top frame of the top frame is provided with a soil layer supporting component for directly bearing and dispersing the pressure from the soil layer above so as to improve the bearing capacity and adaptability of the supporting structure. The soil layer support assembly is provided with a plurality of support parts, and the synergism of the support parts can effectively disperse and transfer pressure, so that structural damage or collapse caused by overlarge pressure is prevented.
The side wing supporting component is used for supporting the supporting frame box, and the mounting base is used as a foundation of the whole side wing supporting component, so that the stability of the side wing supporting component in operation is ensured. And the mounting base adopts a rotatable mounting mode, so that the side wing support assembly can be flexibly turned and adjusted according to construction requirements. The hydraulic support assembly provides support force and lifting function to adapt to the underground excavation requirements of different depths. In order to realize synchronous steering of the side wing supporting components at two sides, the side wing supporting components are connected with the mounting bases at two sides through chain type driving pieces at two sides. When the synchronous driving piece is started, the chain transmission piece can drive the mounting bases at two sides to synchronously turn, so that flexible adjustment of the side wing supporting assembly is realized.
The support frame for underground engineering construction provides important guarantee for the safe construction of underground engineering by the aid of high adjustability, stability, construction convenience and environmental adaptability, and has wide application prospect and popularization value.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. Meanwhile, these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to specific embodiments.
Fig. 1 is a schematic diagram of a front view angle structure of a support frame for underground engineering construction according to an embodiment of the present invention.
Fig. 2 is a schematic top view angle structure of a support frame for underground engineering construction according to an embodiment of the present invention.
Fig. 3 is a schematic structural installation diagram of a top support substrate, a side wing support assembly and a frame support top frame according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a frame-type supporting roof frame according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a straight plate support assembly according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a folded plate support assembly according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a wing support assembly according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of the region a in fig. 7 according to the present invention.
Fig. 9 is a schematic structural installation diagram of a supporting frame box and a hydraulic supporting assembly according to an embodiment of the present invention.
11, A vertical support frame; 12, supporting the substrate; 13, side wing support assemblies, 14, frame support roof frames, 21, support frame boxes, 22, frame box roof frames, 23, soil layer support assemblies, 31, mounting bases, 32, hydraulic support assemblies, 33, support brackets, 34, bottom support frames, 35, synchronous drives, 36, chain drives, 41, straight plate support assemblies, 42, folding plate support assemblies, 43, side wing fixing plates, 44, outer bending convex plates, 45, side wing support roof plates, 51, frame angle track frames, 52, frame edge track frames, 53, frame angle support roof plates, 54, frame edge support roof plates, 55, first adjusting cylinders, 56, first adjusting rods, 61, side edge base plates, 62, support straight plates, 63, straight plate adjusting tracks, 64, second adjusting cylinders, 65, second adjusting rods, 71, locking bolts, 72, fixed bases, 73, shaft drive boxes, 74, driving motors, 75, adjusting cylinders, 81, side wing support frames, 82, inner support frames, 83, pivot shafts, rotating support cylinders, 84, extending shafts, 86, gears, 92, shaft ends, 92, drive shafts, 92, bearing sleeves, 101, bearing sleeves, and bolts.
Detailed Description
The technical solutions according to the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, examples of which are shown in the accompanying drawings. When the following description refers to the accompanying drawings, like numerals in the various drawings refer to like or similar elements, unless otherwise specified.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
In one embodiment, referring to fig. 1-3, a supporting frame for underground engineering construction is provided, which comprises a vertical supporting frame 11, a top supporting base plate 12 arranged on the vertical supporting frame 11, and a plurality of side wing supporting components 13 arranged on the top supporting base plate 12, wherein the top of each side wing supporting component 13 is provided with a frame type supporting top frame 14, the main body of the frame type supporting top frame 14 is a supporting frame box 21, the supporting frame box 21 is a frame body structure, the top of the frame body of the supporting frame box 21 is provided with a frame box top frame 22, and a soil layer supporting component 23 is arranged on the frame plate of the frame box top frame 22;
The side wing supporting component 13 comprises a mounting base 31, a hydraulic supporting component 32 mounted on the mounting base 31 and a supporting bracket 33 arranged on the hydraulic supporting component 32, wherein the mounting base 31 is provided with two frame plates respectively mounted on two sides of the top supporting base plate 12, the supporting bracket 33 is supported at the bottoms of the frame plates of the supporting frame box 21, the mounting base 31 is rotatably mounted on the top supporting base plate 12, a bottom supporting frame 34 and a synchronous driving piece 35 arranged on the bottom supporting frame 34 are fixedly mounted on the top supporting base plate 12, and the synchronous driving piece 35 drives the mounting base 31 on two sides to synchronously turn through chain transmission pieces 36 on two sides.
The vertical support frame 11 is generally made of high-strength steel to ensure sufficient bearing capacity and stability as a vertical support structure of the entire support system. The top support base plate 12 is horizontally mounted on top of the vertical support frame 11, which provides a stable platform for mounting the wing support assemblies 13 and the frame support top frame 14. The supporting frame box 21 is used as a main body of the frame type supporting top frame 14, adopts a frame body structural design, improves the supporting firmness and can also pocket falling soil layers and falling rocks in the supporting range. The top frame 22 is provided with a soil layer supporting component 23 for directly bearing and dispersing the pressure from the soil layer above so as to improve the bearing capacity and adaptability of the supporting structure. The soil layer support assembly 23 is provided with a plurality of support members, and the cooperation of the support members can effectively disperse and transmit pressure, prevent structural damage or collapse caused by excessive pressure.
The side wing supporting assembly 13 is used for supporting the supporting frame box 21, the mounting base 31 is used as a basis of the whole side wing supporting assembly 13, specifically, the mounting base 31 is provided with two mounting bases which are respectively mounted on the frame plates at two sides of the top supporting base plate 12, and the mounting bases are fixedly connected with the supporting frame box 21 through high-strength connecting pieces, so that the stability of the side wing supporting assembly is ensured during operation. And the rotatable mounting mode is adopted by the mounting base 31, so that the flexible steering adjustment of the side wing support assembly according to construction needs is ensured. The hydraulic support assembly 32 is mounted on the mounting base 31, providing a strong supporting force and a lifting function. By controlling the pressure of the hydraulic system, a constructor can adjust the height of the side wing support assembly 13 to adapt to the underground excavation requirements of different depths. The support bracket 33 is disposed above the hydraulic support assembly 32, and is made of high-strength steel, so that sufficient bearing capacity and stability are ensured. The support bracket 33 is directly supported at the bottom of the frame plate of the supporting frame carriage 21, and by dispersing and transmitting the pressure, the stability and safety of the supporting frame carriage 21 are ensured. In order to achieve synchronous steering of the two-sided wing support assemblies 13, two-sided chain drives 36 are connected to two-sided mounting bases 31. When the synchronous driving member 35 is started, the chain transmission member 36 drives the mounting bases 31 on two sides to synchronously steer, so that flexible adjustment of the side wing supporting assembly 13 is realized.
The support frame for underground engineering construction provides important guarantee for the safe construction of underground engineering by the aid of high adjustability, stability, construction convenience and environmental adaptability, and has wide application prospect and popularization value.
In one embodiment, referring to fig. 4 to 6, based on the description of the above embodiment, for the related implementation structure of the soil supporting component 23, the following design is provided in this embodiment:
The two sides of the frame wall of the supporting frame box 21 are respectively provided with a side wing fixing plate 43, a side wing supporting top plate 45 is arranged above the side wing fixing plates 43 through an outward bending convex plate 44, and the supporting brackets 33 are supported and fixed at the bottoms of the corresponding side wing fixing plates 43. The side wing fixing plates 43 are respectively connected with the side wing supporting brackets 33 in a mounting way, so that the supporting range is improved on two sides of the frame wall of the supporting frame box 21, and the stability and the safety of the supporting frame box 21 are enhanced.
The soil layer support assembly 23 comprises a straight plate support assembly 41 and a folding plate support assembly 42, and the straight plate support assembly 41 and the folding plate support assembly 42 are arranged on the frame roof frame 22. In this embodiment, the number of the straight plate supporting members 41 and the folded plate supporting members 42 may be determined according to the construction environment of the specific underground engineering.
The straight plate supporting component 41 comprises a side edge base plate 61 fixed on the top frame 22 of the carriage, a straight plate adjusting rail 63 arranged on the side edge base plate 61 and a supporting straight plate 62 arranged on the straight plate adjusting rail 63, the supporting straight plate 62 is slidably arranged on the straight plate adjusting rail 63, a second adjusting cylinder 64 is further arranged on the side edge base plate 61, a second adjusting rod 65 is arranged at the pushing end of the second adjusting cylinder 64, and the second adjusting rod 65 is connected with the plate body of the supporting straight plate 62.
Through the design of straight board regulation track 63 and second governing cylinder 64 for prop up straight board 62 and adjust its support position as required, with the soil layer pressure of adaptation different shapes and size, improved the flexibility and the adaptability of support frame, make constructor can deal with complicated construction environment better. The straight support plates 62 are made of a high-strength and deformation-resistant material, and the auxiliary supporting frame box 21 bears huge pressure from the upper soil layer.
The folding plate support assembly 42 comprises a frame angle track frame 51 and a frame edge track frame 52, the frame edge track frame 52 is arranged at the frame edge position of the frame box top frame 22, the frame angle track frame 51 is arranged at the frame angle position of the frame box top frame 22, the folding plate support assembly 42 further comprises a frame angle support top plate 53 and a frame edge support top plate 54, the frame angle support top plate 53 is mounted on the frame angle track frame 51, the frame edge support top plate 54 is mounted on the frame edge track frame 52, the frame angle support top plate 53 is of an L-shaped structure and is distributed along the frame angle of the frame box top frame 22, a first adjusting cylinder 55 is further arranged on the frame edge of the frame box top frame 22, a first adjusting rod 56 is mounted at the moving end of the first adjusting cylinder 55, the first adjusting rod 56 is connected with the plate body of the frame angle support top plate 53, and the frame edge support top plate 54 is integrally connected with the frame angle support top plate 53.
Through the design of frame angle track frame 51, frame limit track frame 52 and first governing cylinder 55, make the board support subassembly of roll over 42 can adjust its position as required to adapt to the soil horizon pressure of different shapes. The corner bracket top plate 53 is designed in an L-shaped structure and is arranged along the corners of the top frame 22. The design not only enhances the stability of the structure, but also enables the top plate to better adapt to complex and changeable soil layer pressure, the frame corner supporting top plate 53 is connected with the frame edge supporting top plate 54, and the frame corner supporting top plate 53 and the frame edge supporting top plate can be plates with different heights so as to adapt to the uneven soil layer condition, and the frame edge supporting top plate 54 and the frame corner supporting top plate 53 are complementary, so that the flexibility and the adaptability of the support frame are greatly improved, and constructors can better cope with complex construction environments.
In the specific implementation process, the constructor can determine the number and the positions of the folded plate bracket assemblies 42 according to the actual situation of the underground engineering. Then, the corner rail frame 51 and the side rail frame 52 are attached to the corner and side positions of the top frame 22, respectively. Next, the corner bracket top plate 53 and the edge bracket top plate 54 are respectively mounted on the respective track frames, and are firmly connected together by integral connection. Finally, the frame angle rail frame 51 and the frame angle bracket top plate 53 are adjusted to a proper position and height by adjusting the first adjusting cylinder 55 so as to adapt to different construction environments and requirements.
In one embodiment, referring to fig. 3, 7 and 8, based on the description of the above embodiment, for the related implementation structure of the synchronous driving member 35 and the mounting base 31, this embodiment is designed as follows:
The bottom support frame 34 is of a concave frame structure, the top of the bottom support frame 34 is provided with a locking bolt 71, the synchronous driving piece 35 comprises a fixed base 72, a shaft driving machine box 73 arranged on the fixed base 72 and an adjusting support shaft 75 arranged on the shaft driving machine box 73, the fixed base 72 is fixedly arranged at the midpoint position of the bottom of the frame body of the bottom support frame 34, the adjusting support shaft 75 is arranged along the frame body of the bottom support frame 34, and a driving motor 74 for driving the adjusting support shaft 75 to rotate is further arranged on the fixed base 72.
The mounting base 31 comprises a side wing mounting frame 81 and an inner support 82 mounted on the side wing mounting frame 81, a rotary support cylinder 83 is arranged in the inner support 82, the side wing mounting frame 81 is rotatably mounted on the top support base plate 12 through the rotary support cylinder 83, the hydraulic support assembly 32 is mounted on the side wing mounting frame 81, an extension shaft 84 is arranged on the rotary support cylinder 83, a driven gear 85 is mounted on the extension shaft 84, shaft ends of the adjusting support shaft 75 are respectively provided with a shaft end sleeve 86, a driving gear 87 is mounted on the shaft end sleeve 86, and a linkage chain 88 is connected between the driving gear 87 and the corresponding driven gear 85.
The design of the mounting base 31 then focuses on the flexibility and adaptability of the support frame. The flank mounting frame 81 is mounted on the top support base plate 12 through a rotating support cylinder 83, and a precision bearing is embedded in the rotating support cylinder 83, so that the flank mounting frame 81 can be rotationally adjusted within a certain range. The design of the synchronous drive 35 aims at achieving a quick adjustment and stable support of the frame-type supporting roof rack 14. The stationary base 72 is the support structure for the drive system. The shaft driving housing 73 is internally provided with a bevel gear transmission structure, and is powered by the driving motor 74 to drive the adjusting support shaft 75 to rotate, in order to realize synchronous adjustment, a shaft end sleeve 86 and a driving gear 87 are arranged at the shaft end of the adjusting support shaft 75, and a driven gear 85 is arranged on an extension shaft 84 of the rotating support cylinder 83. The driving gear 87 is connected with the driven gear 85 through the linkage chain 88, and when the driving motor 74 is started, the rotation of the adjusting fulcrum 75 drives the driven gear 85 and the rotating support cylinder 83 to synchronously rotate, so that the integral adjustment of the frame type support roof rack 14 is realized, and the construction requirements of different angles are met.
In one embodiment, referring to fig. 3 and 9, based on the description of the above embodiment, for the related implementation structure of the support bracket 33, this embodiment is designed as follows:
The support bracket 33 comprises a bottom support frame plate 95 and side wing support frame plates 94 arranged on two sides of the bottom support frame plate 95, the bottom support frame plate 95 and the side wing support frame plates 94 on two sides form a concave frame, the bottom of the support frame carriage 21 is supported in the concave frame, the side wing fixing plates 43 and the side wing support frame plates 94 are integrally fixed, an outer wing base 93 is further arranged on the side edge of the side wing support frame plates 94, and the outer wing base 93 is provided with an outer wing support seat 91 through fixing bolts 92.
The frame plate of the flank mounting frame 81 is provided with a hydraulic cylinder positioning sleeve 102 and mounting support sleeves 104 arranged on two sides of the hydraulic cylinder positioning sleeve 102, the hydraulic support assembly 32 comprises a hydraulic cylinder 103 arranged in the hydraulic cylinder positioning sleeve 102 and a lifting slide rod 105 penetrating through the mounting support sleeves 104, a pushing end of the hydraulic cylinder 103 is fixedly connected with the outer wing support seat 91 through a top support 101, and the top of the lifting slide rod 105 is fixed at the bottom of the outer wing support seat 91.
The concave frame formed by the bottom bracket frame plate 95 and the side bracket frame plate 94, and the fixed connection of the side bracket fixing plates 43 and the outer wing supporting seat 91, enable the bottom of the supporting frame box 21 to be stably placed in the concave frame, and maintain sufficient stability and rigidity when bearing vertical and lateral pressure. The integral fixing design of the side wing fixing plate 43 and the side wing supporting frame plate 94, and the fixed connection of the hydraulic cylinder 103, the lifting slide rod 105 and the outer wing supporting seat 91 greatly enhance the structural integrity of the supporting frame and improve the bearing capacity and the service life of the supporting frame. The design of the hydraulic support assembly 32 enables the height of the supporting frame box 21 to be flexibly adjusted according to actual construction requirements, so that the supporting requirements under different construction conditions are met.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411895926.1A CN119353023B (en) | 2024-12-23 | 2024-12-23 | Support frame for underground engineering construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411895926.1A CN119353023B (en) | 2024-12-23 | 2024-12-23 | Support frame for underground engineering construction |
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| CN119353023A true CN119353023A (en) | 2025-01-24 |
| CN119353023B CN119353023B (en) | 2025-03-04 |
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