CN113928821A - Tail moving structure of belt conveyor for tunneling - Google Patents
Tail moving structure of belt conveyor for tunneling Download PDFInfo
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- CN113928821A CN113928821A CN202111333519.8A CN202111333519A CN113928821A CN 113928821 A CN113928821 A CN 113928821A CN 202111333519 A CN202111333519 A CN 202111333519A CN 113928821 A CN113928821 A CN 113928821A
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- Prior art keywords
- tail
- hinged
- piece
- lifting
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
Abstract
The invention provides a tail moving structure of a belt conveyor for tunneling, which relates to the technical field of underground coal mine tunneling and comprises a tail, a lifting piece, a second telescopic piece and a transverse pushing piece, wherein the tail extends along the horizontal direction; the lifting and falling piece comprises two four-connecting-rod hinged frames and a first telescopic piece, wherein the four-connecting-rod hinged frames are respectively connected to two sides of the tail, and can drive the tail to ascend or descend under the driving of the first telescopic piece; the fixed end of the second telescopic part is hinged on the lifting part, and the extending end is hinged with the tail and used for driving the tail to move back and forth; the transverse pushing piece extends perpendicular to the trend of the tail, the fixed end of the transverse pushing piece is hinged with the lifting piece, and the extending end of the transverse pushing piece is hinged with the tail and used for driving the tail to move transversely. The tail moving structure of the belt conveyor for tunneling provided by the invention has the advantages that the front, back, left and right movement of the tail is realized through the alternate contact and alternate translation of the two four-bar hinged frames and the tail with the ground, the structure is simplified, and the cost is reduced.
Description
Technical Field
The invention belongs to the technical field of underground coal mine tunneling, and particularly relates to a tail moving structure of a belt conveyor for tunneling.
Background
At present, in the underground tunneling process of a coal mine, a second conveyor belt of a tunneling machine transfers coal to a rear belt conveyor, and the rear part of the second conveyor belt of the tunneling machine is pushed forward along with tunneling work, so that the tail of the belt conveyor at the rear part of the second conveyor belt of the tunneling machine moves forward along with tunneling work.
Most of existing self-moving belt tail products in the market are large in size and complex in structure, especially a tail lifting mechanism and a front-back moving mechanism are mainly distributed by adopting a large number of small oil cylinders to directly lift the tail and drive the tail to move forwards, more than ten oil cylinders need to be controlled to act simultaneously, the cost is high, and in the process of forward movement or backward movement, the tail cannot move left and right after deviating from the original operation track to return to the original operation track, so that the work delay is caused.
Disclosure of Invention
The embodiment of the invention provides a tail moving structure of a belt conveyor for tunneling, which can solve the problem that the tail is lifted, moved back and forth and cannot move left and right at high cost.
In order to achieve the purpose, the invention adopts the technical scheme that: the tail moving structure of the belt conveyor for tunneling comprises a tail, a lifting piece, a second telescopic piece and a transverse pushing piece, wherein the tail extends along the horizontal direction; the lifting and falling piece comprises two four-connecting-rod hinged frames which are respectively connected with two sides of the tail in a sliding mode along the moving direction of the tail and a first telescopic piece connected between the four-connecting-rod hinged frames and the tail, the two four-connecting-rod hinged frames are connected through at least one first connecting rod, and the four-connecting-rod hinged frames can change hinged included angles under the driving of the first telescopic piece to drive the tail to ascend to be separated from the ground or descend to be abutted against the ground and enable the four-connecting-rod hinged frames to be suspended; the fixed end of the second telescopic piece is hinged on the lifting piece, the extending end extends along the extending direction of the tail and is hinged with the tail, and the second telescopic piece is used for driving the tail to move back and forth; the transverse pushing piece extends perpendicular to the trend of the tail, the fixed end of the transverse pushing piece is hinged with the lifting piece, and the extending end of the transverse pushing piece is hinged with the tail and used for driving the tail to move transversely.
In one possible implementation mode, the four-bar linkage hinge frame comprises two cross bars and hinge rods, the two cross bars are respectively arranged in parallel to the extending direction of the tail and are arranged at intervals in the up-down direction, and the lower ends of the lifting pieces are hinged with the cross bars positioned at the lower part; a plurality of hinged rod parallel arrangement is between two horizontal poles, and the both ends of hinged rod are articulated with two horizontal poles respectively.
In some embodiments, the lifting member further includes a lifting member hinged to the four-bar linkage frame, a lower end of the lifting member is hinged to the cross bar located at the lower portion, and the extending end of the first telescopic member is hinged to an upper end of the lifting member to drive the four-bar linkage frame to extend and retract.
In some embodiments, the lifting member includes two lifting rods horizontally corresponding to and respectively located between the two four-bar hinge brackets, the two lifting rods are connected by a second connecting rod, the lower end of the lifting rod is hinged to the cross rod located at the lower portion, and the second connecting rod is hinged to the extending end of the first telescopic member.
In a possible implementation mode, a third connecting rod which is horizontally arranged and connected with two sides of the machine tail is arranged on the machine tail, a sleeve which is connected with the third connecting rod in a sliding mode is arranged on the third connecting rod, and the extending end of the second telescopic piece is hinged to the sleeve.
In a possible implementation mode, guide rails are respectively arranged on two sides of the tail, and a roller group which is positioned on the outer side of the guide rails and is in rolling fit with the guide rails is arranged on the four-bar hinged frame.
In some embodiments, the roller set is slidably engaged with the four-bar linkage articulated frame in a direction perpendicular to the guide rail for lateral movement of the guide rail.
In some embodiments, a transverse moving frame perpendicular to the extending direction of the guide rails is further disposed between the two guide rails, a bearing box is slidably sleeved on the transverse moving frame, two ends of the bearing box are fixedly connected with the two guide rails respectively, a transverse pushing member is disposed in the bearing box, a fixed end of the transverse pushing member is hinged to the transverse moving frame, and an extending end of the transverse pushing member is hinged to the inner side wall of the bearing box.
In some embodiments, the roller group comprises a first roller and a second roller, the first roller is arranged on the four-bar linkage articulated frame and is in rolling fit with the side part of the guide rail; the second roller is connected with the first roller, is positioned below the guide rail and is used for supporting and guiding the tail of the conveyor.
In some embodiments, the bottom of the guide rail is provided with a guide strip in rolling fit with the second roller, and the second roller is provided with a limiting cavity in rolling fit with the guide strip.
The tail moving structure of the belt conveyor for tunneling provided by the invention has the beneficial effects that: compared with the prior art, according to the tail moving structure of the belt conveyor for tunneling, provided by the invention, when the tail needs to move forwards, the four-bar hinged frame is in a vertical supporting state along with the outward extension deformation of the first telescopic piece, the tail is driven to ascend and be far away from the ground, the second telescopic piece extends to push the tail to move forwards, then the first telescopic piece contracts to drive the four-bar hinged frame to be in an inclined contraction state, the height of the four-bar hinged frame is reduced, the tail descends to be in contact with the ground, the four-bar hinged frame is separated from the ground and is suspended, the second telescopic piece contracts and drives the four-bar hinged frame to move forwards (at the moment, the extension end of the second telescopic piece is connected with the tail on the ground, and the fixed end of the second telescopic piece drives the four-bar hinged frame to move forwards) so as to finish the forward movement operation of the tail; when the tail needs to move backwards, the second telescopic piece extends outwards and drives the four-connecting-rod hinge frame to move backwards, then the first telescopic piece extends outwards and drives the four-connecting-rod hinge frame to deform into a vertical supporting state, the tail is driven to rise and be far away from the ground, the tail is driven to move backwards by contraction of the second telescopic piece (at the moment, the extension end of the second telescopic piece is connected with the tail far away from the ground, and the extension end of the second telescopic piece drives the tail to move backwards under the pulling of the extension end), so that the operation of moving backwards of the tail is completed; when the tail needs to move left and right, the four-connecting-rod hinged frame is in a vertical supporting state along with the outward extending deformation of the first telescopic piece, the tail is driven to ascend and be far away from the ground, the transverse pushing piece extends or contracts to enable the tail to move left and right, or the first telescopic piece contracts to drive the four-connecting-rod hinged frame to deform into an inclined contraction state, the height of the four-connecting-rod hinged frame is reduced, the tail descends to be in contact with the ground, the transverse pushing piece extends or contracts to enable the four-connecting-rod hinged frame to move left and right, the front, back, left and right movement of the tail is achieved through the fact that the two four-connecting-rod hinged frames are in alternate contact with the ground and are in alternate translation, the structure is simplified, and the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a part of a section of a tail moving structure of a belt conveyor for tunneling, as seen from the right side, according to an embodiment of the present invention;
FIG. 2 is a schematic front view of the four-bar linkage hinge shown in FIG. 1, wherein the four-bar linkage hinge is in a vertical supporting state and the tail is in a suspended state;
FIG. 3 is a front view of the four-bar linkage of FIG. 1 with the four-bar linkage articulated frame in a vertically supported position and the tail in a forward position;
FIG. 4 is a front view of the structure of FIG. 1 with the tail in a ground-contacting state and the four-bar linkage articulated frame in an inclined and contracted state;
FIG. 5 is a front view of the structure of FIG. 1 with the tail in a grounded state and the four-bar linkage hinge bracket in a forward moving state;
fig. 6 is a schematic structural view of the lifting member of fig. 1.
Wherein, in the figures, the respective reference numerals:
100. a tail; 110. a guide rail; 120. a third connecting rod; 200. a drop-off member; 210. a first telescoping member; 220. a lifting member; 221. lifting the rod; 222. a second connecting rod; 230. a four-bar linkage articulated frame; 231. a cross bar; 232. a hinged lever; 233. a first connecting rod; 300. a roller set; 310. a first roller; 320. a second roller; 400. transversely pushing the piece; 410. a transverse moving frame; 420. a support box; 500. a second telescoping member; 600. a guide strip; 700. a sleeve.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and are therefore not to be considered limiting.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or several of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 6 together, a tail moving structure of a belt conveyor for tunneling according to the present invention will be described. The tail moving structure of the belt conveyor for tunneling comprises a tail 100, a lifting piece 200, a second telescopic piece 500 and a transverse pushing piece 400, wherein the tail 100 extends along the horizontal direction; the lifting and dropping element 200 comprises two four-bar hinged frames 230 which are respectively connected with two sides of the tail 100 in a sliding manner along the moving direction of the tail 100 and a first telescopic element 210 connected between the four-bar hinged frames 230 and the tail 100, the two four-bar hinged frames 230 are connected through at least one first connecting bar 233, and the four-bar hinged frames 230 can change the hinged included angle under the driving of the first telescopic element 210 so as to drive the tail 100 to ascend to be separated from the ground or descend to be abutted against the ground and suspend the four-bar hinged frames 230; the fixed end of the second telescopic member 500 is hinged on the lifting member 200, the extending end extends along the extending direction of the tail 100 and is hinged with the tail 100, and the second telescopic member 500 is used for driving the tail 100 to move back and forth; the transverse pushing member 400 extends perpendicular to the direction of the tail 100, the fixed end of the transverse pushing member 400 is hinged to the lifting member 200, and the extending end is hinged to the tail 100 and used for driving the tail 100 to move transversely.
Compared with the prior art, in the tail moving structure of the belt conveyor for tunneling provided by this embodiment, when the tail 100 needs to move forward, the four-bar hinge frame 230 is in a vertical supporting state along with the outward extension deformation of the first telescopic member 210, so as to drive the tail 100 to rise and be away from the ground, the second telescopic member 500 extends to push the tail 100 to move forward, then the first telescopic member 210 contracts to drive the four-bar hinge frame 230 to be deformed into an inclined contraction state, the height of the four-bar hinge frame 230 becomes smaller, the tail 100 descends to be in contact with the ground, at this time, the four-bar hinge frame 230 is separated from the ground and is suspended, the second telescopic member 500 contracts to drive the four-bar hinge frame 230 to move forward (at this time, the extension end of the second telescopic member 500 is connected with the tail 100 located on the ground, and under the pulling of the extension end, the fixed end of the second telescopic member 500 drives the four-bar hinge frame 230 to move forward), thus, the forward movement operation of the tail 100 is completed; when the tail 100 needs to move backwards, the second telescopic part 500 extends outwards and drives the four-bar hinge frame 230 to move backwards, then the first telescopic part 210 extends outwards and drives the four-bar hinge frame 230 to deform into a vertical supporting state, so as to drive the tail 100 to ascend and keep away from the ground, the second telescopic part 500 contracts and drives the tail 100 to move backwards (at the moment, the extension end of the second telescopic part 500 is connected with the tail 100 which is far away from the ground, and under the pulling of the extension end, the extension end of the second telescopic part 500 drives the tail 100 to move backwards), so that the backward movement operation of the tail 100 is completed; when the tail 100 needs to move left and right, the four-bar hinge frame 230 is in a vertical supporting state along with the outward extension deformation of the first telescopic piece 210, the tail 100 is driven to ascend and be away from the ground, the transverse pushing piece 400 extends or contracts to enable the tail 100 to move left and right, or the first telescopic piece 210 contracts to drive the four-bar hinge frame 230 to deform into an inclined contraction state, the height of the four-bar hinge frame 230 is reduced, the tail 100 descends to be in contact with the ground, the transverse pushing piece 400 extends or contracts to enable the four-bar hinge frame 230 to move left and right, the two four-bar hinge frames 230 and the tail 100 are in alternate contact with the ground and translate alternately to achieve the front, back, left and right movement of the tail 100, the structure is simplified, and the cost is reduced.
In a possible implementation manner, the above-mentioned characteristic four-bar linkage hinge frame 230 adopts the structure as shown in fig. 1 to 6, referring to fig. 1 to 6, the characteristic four-bar linkage hinge frame 230 includes two cross bars 231 and hinge bars 232, the two cross bars 231 are respectively arranged in parallel to the extending direction of the tail 100 and are arranged at intervals in the up-down direction, and the lower end of the lifting piece 220 is hinged with the cross bar 231 located at the lower part; a plurality of hinged rods 232 are arranged between the two cross rods 231 in parallel, and two ends of the hinged rods 232 are hinged to the two cross rods 231 respectively.
Specifically, first extensible member 210 is overhanging, it warp to vertical support state to drive four-bar linkage articulated frame 230, the horizontal pole 231 and the ground contact that are located the below, articulated rod 232 swings to the direction that tends to be vertical this moment, first extensible member 210 contracts, lifting piece 220 drives four-bar linkage articulated frame 230 and warp to the slope shrink state, the horizontal pole 231 that is located the below keeps away from ground, articulated rod 232 swings to the horizontal direction this moment, four-bar linkage articulated frame 230 has both played the effect of supporting tail 100, the back-and-forth movement of tail 100 has also been guaranteed.
Optionally, in an actual use process, the four-bar hinge frame 230 may be formed by a plurality of sequentially connected four-bar deformable structures, and one of the four-bar deformable structures is driven by one of the first telescopic members 210 to deform, so as to drive the whole four-bar hinge frame 230 to deform
In some embodiments, the landing gear 200 further includes a lifting member 220 hinged to the four-bar linkage hinge frame 230, a lower end of the lifting member 220 is hinged to a cross bar 231 located at a lower portion, and an extending end of the first telescopic member 210 is hinged to an upper end of the lifting member 220 to extend and retract the four-bar linkage hinge frame 230.
Specifically, the first extensible member 210 is one, the four-bar hinge frame 230 is controlled to ascend to be separated from the ground or descend to be abutted against the ground through the extension of the first extensible member 210, when the tail 100 needs to move forwards, the four-bar hinge frame 230 is driven by the uplift member 220 to be deformed into a vertical supporting state through the extension of the first extensible member 210, the tail 100 is driven to ascend and be away from the ground, the second extensible member 500 extends to push the tail 100 to move forwards, then the first extensible member 210 contracts, the uplift member 220 drives the four-bar hinge frame 230 to be deformed into an inclined contraction state, the height of the four-bar hinge frame 230 is reduced, the tail 100 descends to be in contact with the ground, at the moment, the four-bar hinge frame 230 is separated from the ground and is suspended, the second extensible member 500 contracts and drives the four-bar hinge frame 230 to move forwards, and the forward operation of the tail 100 is completed; when the tail 100 needs to move backwards, the second telescopic part 500 extends outwards and drives the four-bar hinge frame 230 to move backwards, then the first telescopic part 210 extends outwards, so that the lifting part 220 drives the four-bar hinge frame 230 to deform into a vertical supporting state, the tail 100 is driven to ascend and be far away from the ground, the second telescopic part 500 contracts and drives the tail 100 to move backwards, the backward movement operation of the tail 100 is completed, and the back and forth movement of the tail 100 is realized through the lowest cost.
In some embodiments, the lifting member 220 includes two lifting rods 221 horizontally corresponding to and respectively located between the two four-bar linkage frames 230, the two lifting rods 221 are connected by a second connecting rod 222, the lower end of the lifting rod 221 is hinged to a cross bar 231 located at the lower portion, and the second connecting rod 222 is hinged to the extending end of the first telescopic member 210.
Specifically, when the first extensible member 210 is retracted, the lifting rod 221 rotates around the hinge point with the cross rod 231, so that the hinge rod 232 swings towards the horizontal direction, and drives the cross rod 231 hinged to the lower end of the lifting rod 221 to ascend, and when the first extensible member 210 extends outwards, the lifting rod 221 rotates around the hinge point with the cross rod 231, so that the hinge rod 232 swings towards the vertical direction, and drives the cross rod 231 hinged to the lower end of the lifting rod 221 to descend.
Optionally, the middle of the lifting rod 221 is hinged to the cross rod 231 located at the upper portion, which improves the stability of the lifting rod 221.
In a possible implementation manner, the above-mentioned feature tail 100 adopts a structure as shown in fig. 1 to 5, referring to fig. 1 to 5, a third connecting rod 120 horizontally arranged and connected to two sides of the tail 100 is disposed on the feature tail 100, a sleeve 700 slidably connected to the third connecting rod 120 is disposed on the third connecting rod 120, and an extending end of the second telescopic member 500 is hinged to the sleeve 700.
Specifically, when the four-bar linkage hinge frame 230 is in a vertical supporting state along with the outward extending deformation of the first telescopic member 210, the transverse pushing member 400 drives the tail 100 to move left and right, and the third connecting rod 120 slides in the sleeve 700; when the four-bar linkage hinge frame 230 is in an inclined contraction state along with the contraction deformation of the first telescopic part 210, the transverse pushing part 400 drives the lifting part 200 to move left and right, and the sleeve 700 slides along the third connecting rod 120, so that the second telescopic part 500 is prevented from being bent when moving left and right on the tail 100 or the lifting part 200, and the second telescopic part 500 is prevented from being damaged.
In a possible implementation manner, the above-mentioned characteristic tail 100 adopts the structure as shown in fig. 1 to 5, referring to fig. 1 to 5, two sides of the characteristic tail 100 are respectively provided with a guide rail 110, and the four-bar linkage articulated frame 230 is provided with a roller set 300 which is located outside the guide rail 110 and is in rolling fit with the guide rail 110.
Specifically, the guide rail 110 is an i-steel, the roller set 300 is slidably connected to the four-bar hinge frame 230, the roller set 300 can slide along a direction perpendicular to the guide rail 110, a limiting member is disposed on the guide rail 110 and located on a side of the roller set 300 close to the four-bar hinge frame 230 to prevent the roller set 300 from separating from the guide rail 110 when the guide rail 110 moves left and right, when the tail 100 needs to move forward, the four-bar hinge frame 230 is vertically supported along with the outward extension of the first expansion member 210 to drive the tail 100 to ascend and keep away from the ground, the second expansion member 500 extends outward, the tail 100 slides forward along the roller set 300 through the guide rail 110, then the first expansion member 210 contracts to drive the four-bar hinge frame 230 to deform into an inclined contraction state, the height of the four-bar hinge frame 230 becomes smaller, the tail 100 descends to contact with the ground, at this time, the four-bar hinge frame 230 separates from the ground and suspends in the air, the second expansion member 500 contracts, and the four-bar hinge frame 230 slides forward along the guide rail 110 through the roller set 300, thus, the forward movement operation of the tail 100 is completed; when the tail 100 needs to move backwards, the second telescopic part 500 extends outwards, the four-bar hinge frame 230 slides backwards along the guide rail 110 through the roller set 300, then the first telescopic part 210 extends outwards to drive the four-bar hinge frame 230 to deform into a vertical supporting state, the tail 100 is driven to ascend and be far away from the ground, the second telescopic part 500 contracts, the tail 100 slides backwards along the roller set 300 through the guide rail 110, and the backward movement operation of the tail 100 is completed.
Optionally, a plurality of roller sets 300 are provided along the extending direction of the guide rail 110.
In some embodiments, the roller set 300 is slidably engaged with the four-bar linkage carriage 230 in a direction perpendicular to the orientation of the rail 110 for lateral movement of the rail 110.
Specifically, when the tail 100 needs to move left and right, the four-bar hinge frame 230 is in a vertical supporting state along with the outward extension deformation of the first telescopic part 210, the tail 100 is driven to ascend and be away from the ground, the transverse pushing part 400 extends or contracts to enable the tail 100 to move left and right, or the first telescopic part 210 contracts to drive the four-bar hinge frame 230 to deform into an inclined contraction state, the height of the four-bar hinge frame 230 is reduced, the tail 100 descends to be in contact with the ground, the transverse pushing part 400 extends or contracts to enable the four-bar hinge frame 230 to move left and right, and in the process of adjusting the left and right movement of the tail 100, the roller group 300 and the guide rail 110 are always in a sliding connection state, so that the left and right movement of the tail 100 is facilitated, and the roller group 300 is prevented from being separated from the guide rail 110.
In some embodiments, a transverse frame 410 perpendicular to the extending direction of the guide rails 110 is further disposed between the two guide rails 110, a bearing box 420 is slidably sleeved on the transverse frame 410, two ends of the bearing box 420 are respectively and fixedly connected with the two guide rails 110, the transverse pushing member 400 is disposed in the bearing box 420, a fixed end of the transverse pushing member 400 is hinged to the transverse frame 410, and an extending end of the transverse pushing member is hinged to the inner sidewall of the bearing box 420.
Specifically, when the tail 100 needs to move left and right, the four-bar hinge frame 230 is in a vertical supporting state along with the outward extending deformation of the first extensible member 210, and drives the tail 100 to ascend and be away from the ground, the transverse pushing member 400 contracts or extends outward, the extending end of the transverse pushing member 400 pulls or pushes the bearing box 420, so that the tail 100 moves left and right, or the first extensible member 210 contracts and drives the four-bar hinge frame 230 to deform into an inclined contraction state, the height of the four-bar hinge frame 230 becomes smaller, the tail 100 descends to be in contact with the ground, the transverse pushing member 400 extends or contracts outward, the pushing fixed end of the transverse pushing member 400 or pulls the transverse moving frame 410 to slide left and right along the bearing box 420, so that the four-bar hinge frame 230 moves left and right, and meanwhile, the bearing roller group 300 is always in rolling connection with the guide rail 110 under the limit of the limit member.
In some embodiments, the roller set 300 includes a first roller 310 and a second roller 320, the first roller 310 is disposed on the four-bar linkage hinge frame 230 and is in rolling engagement with the side of the guide rail 110; the second roller 320 is connected to the first roller 310 and located below the guide rail 110, for supporting and guiding the tail 100.
Specifically, be equipped with the opening on the lateral surface of guide rail 110 outwards, and along the cooperation chamber that the trend of guide rail 110 link up, first gyro wheel 310 is located the cooperation intracavity, and with the diapire roll fit in cooperation chamber, the pressure that first gyro wheel 310 bore has been alleviateed in the setting of second gyro wheel 320, and then also make first gyro wheel 310 contact with the diapire in cooperation chamber all the time at the in-process that four-bar hinged frame 230 alternate the form, avoided first gyro wheel 310 to reciprocate, cause the condition that first gyro wheel 310 breaks away from guide rail 110, the stability of guide rail 110 with four-bar hinged frame 230 sliding connection has been improved.
In some embodiments, the bottom of the guide rail 110 is provided with a guide bar 600 extending along the extending direction of the guide rail 110, and the second roller 320 is provided with a limiting cavity in rolling fit with the guide bar 600.
Specifically, the guide strip 600 is configured to enable the first roller 310 and the second roller 320 to roll only along the extending direction of the guide rail 110, so that the first roller 310 and the second roller 320 are prevented from moving perpendicular to the extending direction of the guide rail 110, and the stability of the sliding connection between the guide rail 110 and the four-bar linkage hinge frame 230 is further improved.
Optionally, the guide strip 600 is made of angle steel, and the cross-sectional area is gradually reduced from top to bottom, so that the manufacturing cost of the guide strip 600 is saved
Optionally, the guide strip 600 runs through and is equipped with the through cavity on, runs through the cavity and sets up along guide strip 600 extending direction, runs through the intracavity and is equipped with the pressure-bearing pole, has avoided guide strip 600 to bear the too big extrusion force in footpath, and causes the damage of guide strip 600.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The belt conveyor tail mobile structure for tunnelling, its characterized in that includes:
a tail extending in a horizontal direction;
the lifting and falling piece comprises two four-connecting-rod hinged frames which are respectively connected to two sides of the tail in a sliding mode along the moving direction of the tail and a first telescopic piece connected between the four-connecting-rod hinged frames and the tail, the two four-connecting-rod hinged frames are connected through at least one first connecting rod, and the four-connecting-rod hinged frames can change hinged included angles under the driving of the first telescopic piece to drive the tail to ascend to be separated from the ground or descend to be abutted against the ground and enable the four-connecting-rod hinged frames to be suspended;
the fixed end of the second telescopic piece is hinged to the lifting piece, the extending end extends along the extending direction of the tail and is hinged with the tail, and the second telescopic piece is used for driving the tail to move back and forth;
the transverse pushing piece is perpendicular to the moving direction of the tail and extends, the fixed end of the transverse pushing piece is hinged to the lifting piece, and the extending end of the transverse pushing piece is hinged to the tail and used for driving the tail to transversely move.
2. A tail moving structure of a tunneling belt conveyor according to claim 1, wherein the four-link hinge frame comprises:
the two cross rods are respectively arranged in parallel to the extending direction of the tail and are arranged at intervals in the vertical direction;
the hinged rods are arranged between the two cross rods in parallel, and two ends of each hinged rod are hinged to the two cross rods respectively.
3. A tail moving structure of a tunneling belt conveyor according to claim 2, wherein the landing gear further includes a lifting member hinged to the four-bar hinge frame, a lower end of the lifting member is hinged to the lower cross bar, and an extending end of the first telescopic member is hinged to an upper end of the lifting member to extend and retract the four-bar hinge frame.
4. A tail moving structure of a tunneling belt conveyor according to claim 3, wherein the lifting member includes two horizontally corresponding lifting rods respectively located between the two four-bar links, the two lifting rods are connected by a second connecting rod, the lower end of each lifting rod is hinged to the cross rod located at the lower portion, and the second connecting rod is hinged to the extending end of the first telescopic member.
5. A tail moving structure of a tunneling belt conveyor according to claim 1, wherein a third connecting rod is provided on the tail and horizontally disposed and connected to both sides of the tail, a sleeve slidably connected to the third connecting rod is provided on the third connecting rod, and the extending end of the second extensible member is hinged to the sleeve.
6. A tail moving structure of a tunneling belt conveyor as claimed in claim 1, wherein guide rails are provided on both sides of the tail, respectively, and a roller set located outside the guide rails and in rolling engagement with the guide rails is provided on the four-bar linkage frame.
7. A tail moving structure of a tunneling belt conveyor according to claim 6, wherein the roller group is slidably engaged with the four-bar linkage articulated frame in a direction perpendicular to the guide rail for lateral movement of the guide rail.
8. A tail moving structure of a tunneling belt conveyor as claimed in claim 6, wherein a traverse frame perpendicular to the extending direction of the guide rails is further disposed between the two guide rails, a bearing box is slidably sleeved on the traverse frame, two ends of the bearing box are respectively fixedly connected with the two guide rails, the transverse pushing member is disposed in the bearing box, a fixed end of the transverse pushing member is hinged to the traverse frame, and an extending end of the transverse pushing member is hinged to the inner side wall of the bearing box.
9. A tail moving structure of a tunneling belt conveyor according to claim 6, wherein the roller group includes:
the first roller is arranged on the four-connecting-rod hinged frame and is in rolling fit with the side part of the guide rail;
and the second roller is connected with the first roller, is positioned below the guide rail and is used for supporting and guiding the tail.
10. A tail moving structure of a tunneling belt conveyor according to claim 9, wherein a guide strip is provided at the bottom of the guide rail in rolling engagement with the second roller, and a limit cavity is provided on the second roller in rolling engagement with the guide strip.
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| CN202111333519.8A CN113928821B (en) | 2021-11-11 | 2021-11-11 | Tail moving structure of belt conveyor for tunneling |
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| US5348130A (en) * | 1993-07-30 | 1994-09-20 | Joy Mm Delaware, Inc. | Advanceable auxiliary conveying apparatus |
| CN103407737A (en) * | 2013-07-05 | 2013-11-27 | 中国煤炭科工集团太原研究院 | Stepping self-moving rubber belt conveyor tail used for fast driving |
| CN103832789A (en) * | 2014-03-21 | 2014-06-04 | 安徽理工大学 | Automatic transport system of coal mining area haulage roadway and use method |
| CN113120551A (en) * | 2021-05-11 | 2021-07-16 | 车新军 | Hydraulic self-moving tail structure for belt conveyor matched with tunneling machine |
-
2021
- 2021-11-11 CN CN202111333519.8A patent/CN113928821B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348130A (en) * | 1993-07-30 | 1994-09-20 | Joy Mm Delaware, Inc. | Advanceable auxiliary conveying apparatus |
| CN103407737A (en) * | 2013-07-05 | 2013-11-27 | 中国煤炭科工集团太原研究院 | Stepping self-moving rubber belt conveyor tail used for fast driving |
| CN103832789A (en) * | 2014-03-21 | 2014-06-04 | 安徽理工大学 | Automatic transport system of coal mining area haulage roadway and use method |
| CN113120551A (en) * | 2021-05-11 | 2021-07-16 | 车新军 | Hydraulic self-moving tail structure for belt conveyor matched with tunneling machine |
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| CN113928821B (en) | 2023-10-20 |
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