CN212984573U - Door type support for fully mechanized coal mining face - Google Patents
Door type support for fully mechanized coal mining face Download PDFInfo
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- CN212984573U CN212984573U CN202021667957.9U CN202021667957U CN212984573U CN 212984573 U CN212984573 U CN 212984573U CN 202021667957 U CN202021667957 U CN 202021667957U CN 212984573 U CN212984573 U CN 212984573U
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Abstract
The utility model relates to the technical field of supports, concretely relates to a portal frame for combining adopt working face, including left portal, right portal, bridging, mounting panel and extension ladder, left side portal includes support body one, the upper end and the lower extreme of the same lateral wall of two side levers of support body all set up fluted one, and the equal sliding connection in top of two recesses in bottom has stopper one to the equal sliding connection in bottom of two recesses in top has stopper two. The utility model discloses in, through being divided into left portal and right portal with door-type support, and be connected through the bridging between left portal and the right portal, through setting up rotatable mounting panel and extension ladder on right portal, utilize the bridging to slide in support body one and two recesses of support body, can be so that door-type support can open and the shrink to need not establish just can use fast, and the operation is convenient, excellent in use effect.
Description
Technical Field
The utility model relates to the technical field of supports, concretely relates to portal frame for combining adopt working face.
Background
The door type support is a standardized steel pipe scaffold which is formed by arranging a basic structure formed by a door frame cross support connecting rod hanging buckle type scaffold board or a horizontal frame locking arm and the like, a horizontal reinforcing rod, a cross brace, a floor sweeping rod, a sealing rod, a bracket and a base and is connected with a building main body structure by adopting a wall connecting piece.
The existing door type support usually needs to spend a great deal of time to build and assemble when in actual use, is not suitable for some emergency situations and cannot achieve the effect of quick operation; the existing door type support assemblies are numerous and are separated during moving or carrying, and a large amount of manpower and material resources are consumed in the process; and the existing door type support can only be detached and separated after being built and used, and cannot be folded for storage.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model aims to provide a portal frame for a fully mechanized mining face, which is characterized in that the portal frame is divided into a left portal frame and a right portal frame, the left portal frame is connected with the right portal frame through a bridging, a rotatable support plate and an extension ladder are arranged on the right portal frame, and the bridging slides in grooves of a frame body I and a frame body II, so that the portal frame can be expanded and contracted, thereby being quickly used without being built, being convenient to operate and having good use effect; the two door frames of the door type support are connected together through the cross braces, the support plate and the extension ladder are rotatably connected with the first rotating shaft on the second support body, and all the components can be moved through the universal wheels at the bottoms of the first support body and the second support body, so that each component does not need to be carried independently, manpower and material resources are saved, and the moving effect is good; through being connected the recess slip embedding in vaulting pole one and the vaulting pole two top sliding blocks and support body one and the support body two, and vaulting pole one and vaulting pole two rotate through axis of rotation two and be connected, the inside of these two subassemblies shrink to the portal frame can be folded into a whole with whole support to the rotatable mounting panel of rethread and collapsible extension ladder to be convenient for upright place, and occupation space is little.
The purpose of the utility model can be realized by the following technical scheme:
a portal frame for a fully mechanized coal mining face comprises a left portal frame, a right portal frame, a cross brace, a frame plate and an extension ladder, the left portal frame comprises a first frame body, a first groove is formed in the upper end and the lower end of the same side wall of the first frame body, the tops of the two first grooves at the bottom end are connected with a first limiting block in a sliding mode, the bottoms of the two grooves I at the top end are both connected with a second limiting block in a sliding manner, a cross rod is fixedly connected between the bottoms of the two side rods of the first frame body, one end of a vertical rod is fixedly connected with both the two side rods of the first frame body, the top of the first frame body is fixedly connected with the other ends of the two upright stanchions, the top end of the same side wall of the first frame body and the first groove is fixedly connected with a first concave plate, two ends of the first concave plate are connected with movable plates in a sliding mode, the top of the first frame body is fixedly connected with a pulley seat, and a pull rope is wound and connected on a pulley of the pulley seat;
the right portal frame comprises a frame body II, the upper end and the lower end of the same side wall of two side levers of the frame body II are both provided with a groove II, the top end of the same side wall of the frame body II and the groove II is fixedly connected with a concave plate II, a rotating shaft I is fixedly connected between the two side plates of the concave plate II, a transverse plate I is fixedly connected between the bottoms of the two side levers of the frame body II, a vertical plate is fixedly connected between the top of the transverse plate I and the bottom of a top rod of the frame body II, one end of the transverse plate II is fixedly connected on the same side wall of the vertical plate and the groove II, one side rod of the frame body II is fixedly connected with the other end of the transverse plate II, the bottoms of the two side levers of the frame body I and the frame body II are both fixedly connected with chassis, universal wheels are all, the left portal frame and the right portal frame are connected through two bridging arms;
the scissor support comprises a first support rod, the center of the first support rod is rotatably connected with a second rotating shaft, the center of the first support rod is sleeved with the second support rod, the center of the second support rod is rotatably connected with the second rotating shaft, two side walls of two ends of the first support rod and the second support rod are fixedly connected with sliding blocks, and the sliding blocks are connected with the first groove and the second groove in a sliding embedded mode;
the support plate comprises a plate body, one end of the plate body in the length direction is provided with a first rotating shaft hole, the first rotating shaft hole is rotatably connected with one rotating shaft, the other end of the plate body in the length direction is provided with a first square groove, the movable plate is connected with the first square groove in an inserting mode, the top of one end of the plate body in the width direction is fixedly connected with a handle, the pull rope is in bolted connection with the handle, and the pull rope is in bolted connection with the handle so as to drive the support plate to rotate and further stabilize the support plate;
the extension ladder comprises two telescopic rods, wherein a plurality of step plates are fixedly connected between the two telescopic rods, two rotating shaft holes II are formed in one ends of the telescopic rods, the rotating shaft holes II are rotatably connected with one rotating shaft, two square grooves II are formed in the other ends of the telescopic rods and are connected with the cross rod in an inserted mode, the square grooves II are connected with the cross rod in an inserted mode and used for stabilizing the extension ladder, the ladder is convenient for a worker to climb, and the efficiency of the support is improved.
The support is characterized in that the first support body and the second support body are equal in height and equal in width, the first support body and the second support body are equal in height and width, the first support body and the second support body which are equal in height and width are convenient to extend and fold, and stability of the support is improved.
The included angle formed by the first support rod and the second support rod ranges from 40 degrees to 150 degrees, when the included angle formed by the first support rod and the second support rod is 40 degrees, the whole portal support is in a folded state, and when the included angle formed by the first support rod and the second support rod is 150 degrees, the whole portal support is in an opened state.
The first groove and the second groove are both provided with two side walls which are connected with the sliding block in a sliding mode, the sliding grooves are formed, the first supporting rod and the second supporting rod can slide in the first groove and the second groove conveniently, and meanwhile stability of the cross brace is enhanced.
Further, the top of the step plate is fixed with anti-slip strips, the anti-slip strips are arranged to facilitate the climbing of the ladder by the workers when the extension ladder is used, and the situation that the workers slip down due to wet slip in the rainy and snowy weather is prevented.
Further, be provided with brake mechanism in the universal wheel, brake mechanism is used for stabilizing the door-type support, thereby prevents that the support from removing when using and can bring danger to the staff.
The utility model has the advantages that:
1. the door-type support is divided into the left door frame and the right door frame, the left door frame and the right door frame are connected through the cross braces, the rotatable support plate and the telescopic ladder are arranged on the right door frame, and the cross braces slide in the grooves of the first frame body and the second frame body, so that the door-type support can be opened and contracted, the door-type support can be quickly used without being built, the operation is convenient, and the use effect is good;
2. the two door frames of the door type support are connected together through the cross braces, the support plate and the extension ladder are rotatably connected with the first rotating shaft on the second support body, and all the components can be moved through the universal wheels at the bottoms of the first support body and the second support body, so that each component does not need to be carried independently, manpower and material resources are saved, and the moving effect is good;
3. through being connected the recess slip embedding in vaulting pole one and the vaulting pole two top sliding blocks and support body one and the support body two, and vaulting pole one and vaulting pole two rotate through axis of rotation two and be connected, the inside of these two subassemblies shrink to the portal frame can be folded into a whole with whole support to the rotatable mounting panel of rethread and collapsible extension ladder to be convenient for upright place, and occupation space is little.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the utility model with the whole body in a contracted state;
FIG. 3 is a schematic structural view of the middle left door frame of the present invention;
FIG. 4 is a schematic structural view of the right and middle door frames of the present invention;
fig. 5 is a schematic view of a cross brace structure of the present invention;
FIG. 6 is a schematic structural view of a middle supporting plate of the present invention;
fig. 7 is a schematic structural view of the middle extension ladder of the present invention.
In the figure: 100. a left portal; 110. a first frame body; 120. a chassis; 130. a universal wheel; 140. a first groove; 141. a first limiting block; 142. a second limiting block; 150. a cross bar; 160. erecting a rod; 170. a first concave plate; 171. a movable plate; 180. a pulley seat; 181. pulling a rope; 200. a right portal; 210. a second frame body; 220. a second groove; 230. a second concave plate; 240. rotating a first shaft; 250. a first transverse plate; 260. a vertical plate; 270. a transverse plate II; 300. a scissor support; 310. a first support rod; 320. a second rotating shaft; 330. a second support rod; 340. a slider; 400. a mounting plate; 410. a plate body; 420. a first rotating shaft hole; 430. a first square groove; 440. a handle; 500. an extension ladder; 510. a telescopic rod; 520. a step plate; 530. a second rotating shaft hole; 540. and a second square groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, a portal frame for a fully mechanized mining face comprises a left portal frame 100, a right portal frame 200, a cross brace 300, a frame plate 400 and an extension ladder 500, wherein the left portal frame 100 comprises a first frame body 110, a first groove 140 is formed at the upper end and the lower end of the same side wall of the first frame body 110, a first limit block 141 is slidably connected to the top of the first groove 140 at the bottom end, a second limit block 142 is slidably connected to the bottom of the first groove 140 at the top end, a cross bar 150 is fixedly connected between the bottoms of the two side bars of the first frame body 110, one ends of vertical bars 160 are fixedly connected to the two side bars of the first frame body 110, the other ends of the two vertical bars 160 are fixedly connected to the top of the first frame body 110, a first concave plate 170 is fixedly connected to the top end of the same side wall of the first groove 140, movable plates 171 are slidably connected to the two ends of the, a pull rope 181 is wound on the pulley of the pulley seat 180;
the right gantry 200 comprises a second frame body 210, a second groove 220 is respectively arranged at the upper end and the lower end of the same side wall of the two side bars of the second frame body 210, a second concave plate 230 is fixedly connected at the top end of the same side wall of the second frame body 210 and the second groove 220, a first rotating shaft 240 is fixedly connected between the two side plates of the second concave plate 230, a first transverse plate 250 is fixedly connected between the bottoms of the two side bars of the second frame body 210, a vertical plate 260 is fixedly connected between the top of the first transverse plate 250 and the bottom of the top rod of the second frame body 210, one end of a second transverse plate 270 is fixedly connected on the same side wall of the vertical plate 260 and the second groove 220, the other end of the second transverse plate 270 is fixedly connected to one side bar of the second frame body 210, chassis 120 is fixedly connected to the bottoms of the two side bars of the first frame body 110 and the second frame body 210, the left door frame 100 and the right door frame 200 are connected through two cross braces 300;
the scissor support 300 comprises a first support rod 310, a second rotating shaft 320 is rotatably connected to the center of the first support rod 310, a second support rod 330 is sleeved at the center of the first support rod 310, the center of the second support rod 330 is rotatably connected with the second rotating shaft 320, two side walls of two ends of the first support rod 310 and the second support rod 330 are fixedly connected with a sliding block 340, and the sliding block 340 is in sliding embedded connection with the first groove 140 and the second groove 220;
the support plate 400 comprises a plate body 410, one end of the plate body 410 in the length direction is provided with a first rotating shaft hole 420, the first rotating shaft hole 420 is rotatably connected with a first rotating shaft 240, the other end of the plate body 410 in the length direction is provided with a first square groove 430, the movable plate 171 is in insertion connection with the first square groove 430, the top of one end of the plate body 410 in the width direction is fixedly connected with a handle 440, the pull rope 181 is in bolted connection with the handle 440, and the pull rope 181 is in bolted connection with the handle 440 so as to drive the support plate 400 to rotate, so that the support plate 400 can be stabilized;
The first frame body 110 and the second frame body 210 have the same height, the first frame body 110 and the second frame body 210 have the same width, and the first frame body 110 and the second frame body 210 with the same height and width are convenient for the extension and the folding of the support, so that the stability of the support is improved; the included angle formed by the first support rod 310 and the second support rod 330 is 40-150 degrees, when the included angle formed by the first support rod 310 and the second support rod 330 is 40 degrees, the whole portal support is in a folded state, and when the included angle formed by the first support rod 310 and the second support rod 330 is 150 degrees, the whole portal support is in an opened state; two side walls inside the first groove 140 and the second groove 220 are both provided with sliding grooves in sliding connection with the sliding block 340, the sliding grooves are arranged so that the first brace rod 310 and the second brace rod 330 can slide in the first groove 140 and the second groove 220, and meanwhile, the stability of the cross brace 300 is enhanced; the anti-slip strips are fixed at the top of the step plate 520, and are convenient for workers to climb the ladder when using the extension ladder 500, so that the situation that the workers slip down due to wet slip in rainy and snowy weather is prevented; be provided with brake mechanism in the universal wheel 130, brake mechanism is used for stabilizing the door-type support, thereby prevents that the support from removing when using and can bring danger to the staff.
The material of gate-type bracket component is steel, and the fastness of support has been strengthened to used steel for the support is difficult to rust and leads to the use inconvenient.
The working principle is as follows: when the telescopic ladder 500 is used, the whole portal type support is moved to a required position, the first support body 110 and the second support body 210 are stretched to the maximum distance, the angle between the first support rod 310 and the second support rod 330 is expanded to 150 degrees, then the first limit block 141 and the second limit block 142 in the first groove 140 are slid to proper positions to fix the positions of the first support rod 310 and the second support rod 330, then the pull rope 181 is pulled, the pull rope 181 is bolted with the first support plate 400, the first support plate 400 is rotatably connected with the first rotating shaft 240, so that the pull rope 181 can drive the first support plate 400 to rotate, the movable plate 171 is slid to the proper position, the movable plate 171 is inserted with the first square groove 430 of the first support plate 400 to fix the first support plate 400, then the telescopic rod 510 is pulled to rotate, one end of the telescopic rod 510 is rotated to the proper position, the second square groove 540 is inserted with the cross rod 150, and at this time the telescopic ladder 500 is fixed, therefore, the door type support can operate quickly without being assembled, and has stable structure;
when the door-type support needs to be contracted and folded, the second square groove 540 of the telescopic rod 510 is pulled out from the cross rod 150 by pulling the extension ladder 500 firstly, the extension ladder 500 is contracted to one side of the second support body 210, then the support plate 400 is driven by the pulling rope 181 to rotate to the first square groove 430 to separate from the movable plate 171, the movable plate 171 slides to the inner end, then the pulling rope 181 is slowly loosened to insert the first square groove 430 with the first transverse plate 250, then the first limiting block 141 and the second limiting block 142 are pulled out, then the first support body 110 and the second support body 210 are pushed to contract to the minimum distance, so that the whole door-type support can be folded, the vertical placement of the support is facilitated, and the occupied space is reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. The portal support for the fully mechanized mining face is characterized by comprising a left portal frame (100), a right portal frame (200), a cross brace (300), a support plate (400) and an extension ladder (500), wherein the left portal frame (100) comprises a first support body (110), first grooves (140) are formed in the upper end and the lower end of the same side wall of the first support body (110), the tops of the first grooves (140) at the bottom end are connected with first limit blocks (141) in a sliding mode, the bottoms of the first grooves (140) at the top end are connected with second limit blocks (142) in a sliding mode, a cross rod (150) is fixedly connected between the bottoms of the two side rods of the first support body (110), the two side rods of the first support body (110) are fixedly connected with one ends of vertical rods (160), the tops of the first support body (110) are fixedly connected with the other ends of the two vertical rods (160), and the tops of the same side wall of the first support body (110) and the first grooves (, two ends of the first concave plate (170) are connected with movable plates (171) in a sliding mode, the top of the first frame body (110) is fixedly connected with a pulley seat (180), and a pull rope (181) is wound and connected on a pulley of the pulley seat (180);
the right gantry (200) comprises a second frame body (210), the upper end and the lower end of the same side wall of the two side bars of the second frame body (210) are both provided with a second groove (220), the top end of the same side wall of the second frame body (210) and the second groove (220) is fixedly connected with a second concave plate (230), a first rotating shaft (240) is fixedly connected between the two side plates of the second concave plate (230), a first transverse plate (250) is fixedly connected between the bottoms of the two side bars of the second frame body (210), a vertical plate (260) is fixedly connected between the top of the first transverse plate (250) and the bottom of a top rod of the second frame body (210), one end of the second transverse plate (270) is fixedly connected on the same side wall of the vertical plate (260) and the second groove (220), one side rod of the second frame body (210) is fixedly connected with the other end of the second transverse plate (270), and the bottoms of the two side bars of the first, universal wheels (130) are fixedly connected to the bottoms of the four chassis (120), cross braces (300) are arranged between the two side rods corresponding to the first frame body (110) and the second frame body (210), and the left door frame (100) is connected with the right door frame (200) through the two cross braces (300);
the scissor support (300) comprises a first support rod (310), the center of the first support rod (310) is rotatably connected with a second rotating shaft (320), the center of the first support rod (310) is sleeved with a second support rod (330), the center of the second support rod (330) is rotatably connected with the second rotating shaft (320), two side walls at two ends of the first support rod (310) and the second support rod (330) are fixedly connected with sliding blocks (340), and the sliding blocks (340) are connected with the first groove (140) and the second groove (220) in a sliding embedded mode;
the support plate (400) comprises a plate body (410), one end of the plate body (410) in the length direction is provided with a first rotating shaft hole (420), the first rotating shaft hole (420) is rotatably connected with the first rotating shaft (240), the other end of the plate body (410) in the length direction is provided with a first square groove (430), the movable plate (171) is inserted into the first square groove (430) and connected with the first square groove, the top of one end of the plate body (410) in the width direction is fixedly connected with a handle (440), and the pull rope (181) is bolted with the handle (440);
the extension ladder (500) comprises two extension rods (510), a plurality of step plates (520) are fixedly connected between the two extension rods (510), two rotating shaft holes II (530) are formed in one ends of the extension rods (510), the rotating shaft holes II (530) are rotatably connected with rotating shafts I (240), two square grooves II (540) are formed in the other ends of the extension rods (510), and the square grooves II (540) are connected with the cross rod (150) in an inserted mode.
2. The portal support for the fully mechanized mining face of claim 1, wherein the first frame (110) and the second frame (210) have the same height, and the first frame (110) and the second frame (210) have the same width.
3. The portal support for the fully mechanized mining face of claim 1, wherein the first brace (310) and the second brace (330) form an angle in a range of 40 degrees to 150 degrees.
4. The portal support for the fully mechanized mining face of claim 1, wherein the first groove (140) and the second groove (220) are both provided with sliding grooves slidably connected with the sliding block (340).
5. The portal support for the fully mechanized mining face of claim 1, wherein cleats are secured to the top of the tread plate (520).
6. The portal support for the fully mechanized mining face of claim 1, wherein a brake mechanism is disposed in the caster wheel (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021667957.9U CN212984573U (en) | 2020-08-12 | 2020-08-12 | Door type support for fully mechanized coal mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021667957.9U CN212984573U (en) | 2020-08-12 | 2020-08-12 | Door type support for fully mechanized coal mining face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212984573U true CN212984573U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021667957.9U Active CN212984573U (en) | 2020-08-12 | 2020-08-12 | Door type support for fully mechanized coal mining face |
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| Country | Link |
|---|---|
| CN (1) | CN212984573U (en) |
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2020
- 2020-08-12 CN CN202021667957.9U patent/CN212984573U/en active Active
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