CN216198204U - Two-frame one-group special end support transportation system - Google Patents
Two-frame one-group special end support transportation system Download PDFInfo
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- CN216198204U CN216198204U CN202122430231.4U CN202122430231U CN216198204U CN 216198204 U CN216198204 U CN 216198204U CN 202122430231 U CN202122430231 U CN 202122430231U CN 216198204 U CN216198204 U CN 216198204U
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Abstract
The utility model discloses a two-frame one-group special end support transportation system, and belongs to the technical field of underground hydraulic support transportation. The system comprises a front support group, a middle support group and a tail support group which are detached and separated, wherein the three support groups are respectively connected in a limiting manner from the front top beam, the front base, the middle top beam, the middle base, the rear top beam and the rear base of the support from front to back and from top to bottom, and all the support groups are lowered to the optimal transportation position, so that a transportation scheme of bilateral symmetry and grouping combination is finally formed. The system of the utility model solves the problem of poor support stability in the transportation process caused by narrow width of the support on one hand, and on the other hand, the support is transported to the working surface according to the sequence of back-middle-front, and the assembly can be completed only by hinging the corresponding top beam and the base bolt, thus being convenient and rapid.
Description
Technical Field
The utility model belongs to the technical field of coal mine production, particularly relates to the technical field of underground transportation, and particularly relates to a two-frame one-group special end support transportation system.
Background
With the high-speed development of coal mining technology and coal mining equipment, more and more support equipment are arranged at the head and the tail of an underground coal face, and in order to reduce the labor intensity of workers, improve the support safety coefficient and promote the rapid development of coal mining mechanization, the application of supporting by replacing a traditional single column with two special end supports in a group at the head and the tail of the underground coal face is more and more extensive.
The two special end supports comprise a front support group, a middle support group and a rear support group, each support group comprises a left single support body and a right single support body, namely six single support bodies, the total length of the six single support bodies is about 20m, and the width of each single support body is about 600mm-800 mm. The two special end supports can be arranged on two sides of the reversed loader, has the characteristics of wide supporting range, high safety coefficient, capability of stepping left and right, self-moving and the like, and greatly overcomes the defects of low safety, high labor intensity, low propelling speed and the like of the traditional single column support. However, the problem of difficult transportation is brought by long and narrow structure, especially the whole frame transportation is extremely difficult, so the prior method is to disassemble and transport the underground mine roof beam, the upright post, the shield beam, the four-bar linkage and other mechanisms which are disassembled to be transported independently after the underground mine roof beam is completely disassembled, but the underground mine roof beam is limited by installation space, hoisting equipment and the like, so the assembly is very difficult, and the assembly task can not be basically completed within a specified construction period. According to research and development, the supports for transporting various domestic large mines are disassembled from the ground and reassembled underground at present, so that the time consumption is long, the danger is high, and no other good solutions exist.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provide a brand-new two-frame one-group special end bracket transportation system.
The utility model is realized by the following technical scheme:
a two-frame one-group special end support transportation system comprises a front support group, a middle support group and a tail support group which are detached and separated;
carry out spacing connection between the preceding support group, the back timber part: the left and right front top beams are closely placed left and right, and the hinge lugs of the reserved movable side guard plate on the inner side edge of the left front top beam are aligned with the hinge lugs of the reserved movable side guard plate on the inner side edge of the right front top beam and are connected through a fixed hinge plate and a pin shaft; the hinge hole at the rear end of the front left top beam for connecting the middle support group is aligned with the hinge hole at the rear end of the front right top beam for connecting the middle support group and is connected by inserting a rear end hinge core shaft, and the end parts at the two ends of the rear end hinge core shaft are respectively provided with a light pin for limiting; a base portion: the front left base and the front right base are symmetrically arranged at left and right intervals, an original hinge lug at the front end of the front left base is aligned with an original hinge lug at the front end of the front right base and is connected with the original hinge lugs through inserting a front end limiting mandrel, a limiting sleeve is sleeved on a shaft section, positioned between the two groups of original hinge lugs, on the front end limiting mandrel, and the end parts of two ends of the limiting mandrel are respectively provided with a light pin for limiting; the original hinge lugs at the rear end of the front left base are aligned with the original hinge lugs at the rear end of the front right base and are connected through inserting a rear end limiting mandrel, a limiting sleeve is sleeved on a shaft section, located between the two groups of original hinge lugs, on the rear end limiting mandrel, and the end parts of the two ends of the limiting mandrel are respectively provided with a light pin for limiting; support section between roof beam and base: a first connecting rod is supported between the rear end of the front left top beam and the rear end of the front left base, the top end of the first connecting rod is hinged with a rear end hinge mandrel on the front left top beam, and the bottom end of the first connecting rod is hinged with a rear end limiting mandrel on the front left base; a second connecting rod is supported between the rear end of the front right top beam and the rear end of the front right base, the top end of the second connecting rod is hinged with a rear end hinge core shaft on the front right top beam, a supporting seat is fixed at the bottom end of the second connecting rod, and the supporting seat is movably supported on the top surface of the front right base; the length of the first connecting rod is greater than that of the second connecting rod, and the first connecting rod and the second connecting rod are matched with the base part to form a triangular structure;
carry out spacing connection between the middle part support group, back timber part: the middle left top beam and the middle right top beam are placed in a left-right close fit mode, and the hinge lug of the reserved movable side guard plate on the inner side edge of the middle left top beam is aligned with the hinge lug of the reserved movable side guard plate on the inner side edge of the middle right top beam and connected through the fixed hinge plate and the pin shaft; the hinge hole at the front end of the middle left top beam for connecting the front support group is aligned with the hinge hole at the front end of the middle right top beam for connecting the front support group and is connected through inserting a front end hinge core shaft, and the end parts at the two ends of the front end hinge core shaft are respectively provided with a light pin for limiting; the hinge hole at the rear end of the middle left top beam for connecting the tail support group is aligned with the hinge hole at the rear end of the middle right top beam for connecting the tail support group and is connected through inserting a rear end hinge core shaft, and the end parts of the two ends of the rear end hinge core shaft are respectively provided with a light pin for limiting; a base portion: the middle left base and the middle right base are symmetrically arranged at left and right intervals, an original hinge lug at the front end of the middle left base is aligned with an original hinge lug at the front end of the middle right base and is connected with the original hinge lugs at the front end of the middle right base through inserting a front end limiting mandrel, a limiting sleeve is sleeved on a shaft section, positioned between the two groups of original hinge lugs, on the front end limiting mandrel, and light pins are respectively arranged at the end parts of two ends of the limiting mandrel for limiting; the original hinge lug at the rear end of the middle left base is aligned with the original hinge lug at the rear end of the middle right base and is connected through inserting a rear end limiting mandrel, a limiting sleeve is sleeved on a shaft section between the two groups of original hinge lugs on the rear end limiting mandrel, and the end parts of the two ends of the rear end limiting mandrel are respectively provided with a light pin for limiting; support section between roof beam and base: the front end of the middle support group is supported with a third connecting rod, the top end of the third connecting rod is hinged with a front end hinge core shaft inserted between the middle left top beam and the middle right top beam, a hinge point is positioned at the center position of the front end hinge core shaft between the middle left top beam and the middle right top beam, the bottom end of the third connecting rod is hinged with a front end limiting core shaft inserted between the middle left base and the middle right base, and the hinge point is positioned at the center position of the front end limiting core shaft between the middle left base and the middle right base; a fourth connecting rod is supported at the rear end of the middle support group, the top end of the fourth connecting rod is hinged with a rear end hinge core shaft inserted between the middle left top beam and the middle right top beam, a hinge point is positioned at the central position of the rear end hinge core shaft between the middle left top beam and the middle right top beam, the bottom end of the fourth connecting rod is hinged with a rear end limiting core shaft inserted between the middle left base and the middle right base, and the hinge point is positioned at the central position of the rear end limiting core shaft between the middle left base and the middle right base;
carry out spacing connection between the afterbody support group, back timber part: the left tail top beam and the right tail top beam are placed in a left-right close fit mode, and the hinge lug of the reserved movable side guard plate on the inner side edge of the left tail top beam is aligned with the hinge lug of the reserved movable side guard plate on the inner side edge of the right tail top beam and connected through the fixed hinge plate and the pin shaft; the front end of the tail left top beam is used for connecting a hinge hole of the middle support group, the front end of the tail right top beam is used for connecting a hinge hole of the middle support group, the hinge holes are aligned and connected through inserting a front end hinge core shaft, and the end parts of the two ends of the front end hinge core shaft are respectively provided with a light pin for limiting; a base portion: the tail left base and the tail right base are symmetrically arranged at left and right intervals, an original hinge lug at the front end of the tail left base is aligned with an original hinge lug at the front end of the tail right base and is connected through inserting a front end limiting mandrel, and two end parts of the front end limiting mandrel are respectively provided with an optical pin for limiting; the reserved connecting lugs at the rear end of the tail left base are aligned with the reserved connecting lugs at the rear end of the tail right base and are connected through inserting a connecting pin shaft, a limiting sleeve is sleeved on a shaft section, located between the two groups of reserved connecting lugs, on the connecting pin shaft, and the end parts of two ends of the connecting pin shaft are respectively provided with a smooth pin for limiting; support section between roof beam and base: the front end of the tail support group is supported with a fifth connecting rod, the top end of the fifth connecting rod is hinged with a front end hinge core shaft inserted on the tail left top beam and the tail right top beam, a hinge joint is positioned at the central position of the front end hinge core shaft between the tail left top beam and the tail right top beam, the bottom end of the fifth connecting rod is hinged with a front end limiting core shaft inserted on the tail left base and the tail right base, and the hinge joint is positioned at the central position of the front end limiting core shaft between the tail left base and the tail right base;
the front end of the tail support group is provided with a weight box, the weight box comprises a square box body, the middle position of the bottom of the box body is provided with a limiting seat, and the front box wall and the rear box wall of the box body are respectively provided with an upper connecting lug seat and a lower connecting lug seat; the weight box is supported between the front ends of the tail left base and the tail right base, a limiting seat of the weight box is clamped between the tail left base and the tail right base, the front box wall of the weight box is arranged in a manner of being clung to the fifth connecting rod, and connecting lug seats on the front box wall of the weight box are clamped on two sides of the fifth connecting rod; the weight box is connected with an upper group of connecting iron chains and a lower group of connecting iron chains which are arranged around one circle of the weight box, the connecting iron chains sequentially penetrate through corresponding connecting lugs on the front box wall and the rear box wall, and the weight box is connected and fixed with the fifth connecting rod; hoisting holes are formed in the two sides of the top of the front box wall, the rear box wall, the left box wall and the right box wall of the weight box.
Furthermore, when the front support groups are in limit connection, the shaft sections, which are positioned between the two sides of the top end of the second connecting rod and the hinge lugs on the front right top beam, on the rear-end hinge core shaft are respectively sleeved with a limit sleeve.
Furthermore, when the middle support groups are in limit connection, the limit sleeve on the front limit mandrel is divided into two parts which are respectively arranged at two sides of the end part of the bottom end of the third connecting rod; the limiting sleeve on the rear limiting mandrel is divided into two parts and is respectively arranged on two sides of the end part of the bottom end of the fourth connecting rod.
The system comprises a front support group, a middle support group and a tail support group which are detached and separated, wherein the three support groups are respectively connected in a limiting manner from the front top beam, the front base, the middle top beam, the middle base, the rear top beam and the rear base of the support from front to back and from top to bottom, and all the support groups are lowered to the optimal transportation position, so that a transportation scheme of bilateral symmetry and grouping combination is finally formed. The system of the utility model solves the problem of poor support stability in the transportation process caused by narrow width of the support on one hand, and on the other hand, the support is transported to the working surface according to the sequence of back-middle-front, and the assembly can be completed only by hinging the corresponding top beam and the base bolt, thus being convenient and rapid.
Compared with the prior art, the utility model has the following innovative characteristics:
1) the integral support does not need to be excessively disassembled, only simple parts on the support body need to be disassembled, and then the support body is reconnected by means of the connecting members of the support body, and after the support body is transported to a downhole working surface, the support body can be integrally assembled only through simple pin shaft connection;
2) the utility model utilizes the principle that the triangle has stability to effectively support and limit the front bracket group, thereby improving the transportation stability;
3) according to the utility model, the limiting weight box is designed on the tail support group, so that the tail support group and the base are limited mutually, and meanwhile, the purpose of forward movement of the gravity center is achieved, and smooth transportation of the tail support is ensured;
4) in the design process, any welding fixing piece is not introduced into the support system, the original pin holes of the support are completely utilized for limiting and fixing, and the normal support of the support is not interfered and influenced.
The method has the advantages of ingenious design, convenient implementation, stable transportation and quick installation, thoroughly solves the problem of difficult transportation and assembly of the frame body, greatly reduces the construction cost, improves the working efficiency and is worthy of popularization and application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic limiting diagram of a front left top beam and a front right top beam in a front bracket set.
Fig. 2 is a schematic diagram of the limitation of the front left base and the front right base in the front bracket set.
Fig. 3 is a front view of the front bracket set after limiting.
Fig. 4 is a schematic diagram of the position limitation of the middle left top beam and the middle right top beam in the middle support group.
Fig. 5 is a schematic diagram of the middle left base and the middle right base of the middle support set.
Fig. 6 is a front view of the middle bracket set after limiting.
Fig. 7 is a schematic diagram of the position limitation of the tail left top beam and the tail right top beam in the tail support group.
Fig. 8 is a schematic diagram of the position limitation of the tail left base and the tail right base in the tail bracket set.
Fig. 9 is a front view of the tail bracket set after limiting.
Fig. 10 is a schematic view of the weight box.
Fig. 11 is a left side view of fig. 10.
In the figure: 1-front left top beam, 2-front left base, 3-front right top beam, 4-front right base, 5-fixed hinged plate and pin shaft, 6-rear hinged mandrel, 7-optical pin, 8-front limited mandrel, 9-limited sleeve, 10-rear limited mandrel, 11-supporting base, 12-first connecting rod, 13-second connecting rod, 14-middle left top beam, 15-middle left base, 16-middle right top beam, 17-middle right base, 18-front hinged mandrel, 19-third connecting rod, 20-fourth connecting rod, 21-tail left top beam, 22-tail left base, 23-tail right top beam, 24-tail right base, 25-connecting pin shaft, 26-fifth connecting rod, 27-limited base, 28-connecting lug base, 29-weight box and 30-hoisting hole.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
A two-frame special end support conveying system comprises a front support group, a middle support group and a tail support group which are detached and separated.
1) Carry out spacing connection between anterior support group
The front support group comprises a front left support and a front right support, the front left support comprises a front left top beam 1 and a front left base 2, and the front right support comprises a front right top beam 3 and a front right base 4; because every fore-stock only has an stand as the support, and the degree of freedom in six directions is all unrestricted, and stability is extremely poor, so must introduce spacing support to "the support itself does not increase the welding mounting" as the principle, specifically as follows:
top beam section
As shown in fig. 1, a front left top beam 1 and a front right top beam 3 are placed in a left-right close fit manner, and a hinge lug of a reserved movable side guard plate on the inner side edge of the front left top beam 1 is aligned with a hinge lug of a reserved movable side guard plate on the inner side edge of the front right top beam 3 and is connected with the hinge lugs through a fixed hinge plate and a pin shaft 5;
the hinge hole at the rear end of the front left top beam 1 for connecting the middle support group is aligned with the hinge hole at the rear end of the front right top beam 3 for connecting the middle support group and is connected through inserting a rear hinge core shaft 6, the end parts of the two ends of the rear hinge core shaft 6 are respectively provided with a light pin 7 for limiting, and the movable range of the support is reduced and the stability is enhanced by matching with a limiting sleeve design;
base part
As shown in fig. 2, the front left base 2 and the front right base 4 are symmetrically arranged at left and right intervals, an original hinge lug at the front end of the front left base 2 is aligned with an original hinge lug at the front end of the front right base 4 and is connected with the original hinge lug through inserting a front end limiting mandrel 8, a limiting sleeve 9 is sleeved on a shaft section between the two groups of original hinge lugs on the front end limiting mandrel 8, and two end parts of the front end limiting mandrel 8 are respectively provided with a light pin 7 for limiting;
the original hinge lug at the rear end of the front left base 2 is aligned with the original hinge lug at the rear end of the front right base 4 and is connected through inserting a rear end limiting mandrel 10, a limiting sleeve 9 is sleeved on a shaft section between the two groups of original hinge lugs on the rear end limiting mandrel 10, and the end parts of the two ends of the rear end limiting mandrel 10 are respectively provided with a light pin 7 for limiting;
supporting part between top beam and base
As shown in fig. 3, because only one upright post supports between the top beam of the front bracket and the base, the stability is extremely poor, so it is specially to increase the design of the special support connecting rod, specifically:
a first connecting rod 12 is supported between the rear end of the front left top beam 1 and the rear end of the front left base 2, the top end of the first connecting rod 12 is hinged with a rear end hinge mandrel 6 on the front left top beam 1, and the bottom end of the first connecting rod 12 is hinged with a rear end limiting mandrel 10 on the front left base 2;
a second connecting rod 13 is supported between the rear end of the front right top beam 3 and the rear end of the front right base 4, the top end of the second connecting rod 13 is hinged with the rear end hinge core shaft 6 on the front right top beam 3, a supporting seat 11 is fixed at the bottom end of the second connecting rod 13, and the supporting seat 11 is movably supported on the top surface of the front right base 4; the shaft sections, which are positioned between the two sides of the top end of the second connecting rod 13 and the hinge lugs on the front right top beam 3, on the rear end hinge mandrel 6 are respectively sleeved with a limiting sleeve 9;
the length of the first connecting rod 12 is larger than that of the second connecting rod 13, and the first connecting rod 12 and the second connecting rod 13 are matched with the base part to form a triangular structure, so that the transportation stability of the front bracket is ensured.
2) The middle support groups are connected in a limiting way
The middle support group comprises a middle left support and a middle right support, the middle left support comprises a middle left top beam 14 and a middle left base 15, and the middle right support comprises a middle right top beam 16 and a middle right base 17; the middle support is supported by two jacks in a splayed shape, the front and back directions are relatively stable, but the upright post and the post nest are in a movable state, and the left and right directions need to be limited, and the support is as follows:
top beam section
As shown in fig. 4, the middle left top beam 14 and the middle right top beam 16 are placed in close contact left and right, and the hinge lug of the pre-reserved movable side guard plate on the inner side edge of the middle left top beam 14 is aligned with the hinge lug of the pre-reserved movable side guard plate on the inner side edge of the middle right top beam 16 and connected with the hinge lug of the pre-reserved movable side guard plate through the fixed hinge plate and the pin 5;
a hinge hole at the front end of the middle left top beam 14 for connecting a front support group is aligned with a hinge hole at the front end of the middle right top beam 16 for connecting the front support group and is connected by inserting a front end hinge core shaft 18, and two end parts of the front end hinge core shaft 18 are respectively provided with a plain pin 7 for limiting;
a hinge hole used for connecting the tail support group at the rear end of the middle left top beam 14 is aligned with a hinge hole used for connecting the tail support group at the rear end of the middle right top beam 16 and is connected through inserting a rear end hinge core shaft 6, and two end parts of the rear end hinge core shaft 6 are respectively provided with a plain pin 7 for limiting;
base part
As shown in fig. 5, the middle left base 15 and the middle right base 17 are symmetrically arranged at left and right intervals, the original hinge lug at the front end of the middle left base 15 is aligned with the original hinge lug at the front end of the middle right base 17 and connected by inserting a front end limiting mandrel 8, a limiting sleeve 9 is sleeved on a shaft section between the two groups of original hinge lugs on the front end limiting mandrel 8, and the end parts at two ends of the front end limiting mandrel 8 are respectively provided with a light pin 7 for limiting;
the original hinge lug at the rear end of the middle left base 15 is aligned with the original hinge lug at the rear end of the middle right base 17 and is connected through inserting a rear end limiting mandrel 10, a limiting sleeve 9 is sleeved on a shaft section between the two groups of original hinge lugs on the rear end limiting mandrel 10, and the end parts of the two ends of the rear end limiting mandrel 10 are respectively provided with an optical pin 7 for limiting;
supporting part between top beam and base
As shown in fig. 6, the front end of the middle support group supports a third connecting rod 19, the top end of the third connecting rod 19 is hinged to a front end hinge mandrel 18 inserted in the middle left top beam 14 and the middle right top beam 16, the hinge point is located at the center of the front end hinge mandrel 18 between the middle left top beam 14 and the middle right top beam 16, the bottom end of the third connecting rod 19 is hinged to a front end limiting mandrel 8 inserted in the middle left base 15 and the middle right base 17, and the hinge point is located at the center of the front end limiting mandrel 8 between the middle left base 15 and the middle right base 17; the limiting sleeve 9 on the front limiting mandrel 8 is divided into two parts and is respectively arranged on two sides of the end part of the bottom end of the third connecting rod 19;
a fourth connecting rod 20 is supported at the rear end of the middle support group, the top end of the fourth connecting rod 20 is hinged with a rear end hinge mandrel 6 inserted on the middle left top beam 14 and the middle right top beam 16, a hinge point is positioned at the central position of the rear end hinge mandrel 6 between the middle left top beam 14 and the middle right top beam 16, the bottom end of the fourth connecting rod 20 is hinged with a rear end limiting mandrel 6 inserted on the middle left base 15 and the middle right base 17, and the hinge point is positioned at the central position of the rear end limiting mandrel 6 between the middle left base 15 and the middle right base 17; the limiting sleeve 9 on the rear limiting mandrel 6 is divided into two parts and is respectively arranged on two sides of the end part of the bottom end of the fourth connecting rod 20.
3) To the spacing connection between the tail support groups
The tail support group comprises a tail left support and a tail right support, the tail left support comprises a tail left top beam 21 and a tail left base 22, and the tail right support comprises a tail right top beam 23 and a tail right base 24; the afterbody support has stand and four-bar linkage, and the structure is more stable, only need assist spacing can, receive the four-bar linkage influence simultaneously, the support focus is too close the back, and the unable transport of support carrier needs to shift the afterbody support focus forward for balanced support carrier, specifically as follows:
top beam section
As shown in fig. 7, the tail left top beam 21 and the tail right top beam 23 are closely placed left and right, and the hinge lug of the reserved movable side guard plate on the inner side edge of the tail left top beam 21 is aligned with the hinge lug of the reserved movable side guard plate on the inner side edge of the tail right top beam 23 and connected with the hinge lug of the reserved movable side guard plate through the fixed hinge plate and the pin 5;
the hinge hole at the front end of the tail left top beam 21 for connecting the middle support group is aligned with the hinge hole at the front end of the tail right top beam 23 for connecting the middle support group and is connected by inserting a front end hinge core shaft 18, and the end parts of the two ends of the front end hinge core shaft 18 are respectively provided with a light pin 7 for limiting;
base part
As shown in fig. 8, the tail left base 22 and the tail right base 24 are symmetrically arranged at left and right intervals, an original hinge lug at the front end of the tail left base 22 is aligned with an original hinge lug at the front end of the tail right base 24 and is connected by inserting a front end limiting mandrel 8, and two end parts of the front end limiting mandrel 8 are respectively provided with a light pin 7 for limiting;
the reserved connecting lugs at the rear end of the tail left base 22 are aligned with the reserved connecting lugs at the rear end of the tail right base 24 and are connected through inserting a connecting pin shaft 25, a limiting sleeve 9 is sleeved on a shaft section, located between the two groups of reserved connecting lugs, of the connecting pin shaft 25, and the end parts of the two ends of the connecting pin shaft 25 are respectively provided with a light pin 7 for limiting;
supporting part between top beam and base
As shown in fig. 9, a fifth connecting rod 26 is supported at the front end of the tail bracket group, the top end of the fifth connecting rod 26 is hinged to the front-end hinge mandrel 18 inserted on the tail left top beam 21 and the tail right top beam 23, the hinge point is located at the center of the front-end hinge mandrel 18 between the tail left top beam 21 and the tail right top beam 23, the bottom end of the fifth connecting rod 26 is hinged to the front-end limiting mandrel 18 inserted on the tail left base 22 and the tail right base 24, and the hinge point is located at the center of the front-end limiting mandrel 18 between the tail left base 22 and the tail right base 24;
fourthly, arranging a weight box
As shown in fig. 9 to 11, a weight box 29 is arranged at the front end of the tail support group, the weight box 29 comprises a square box body, a limiting seat 27 is arranged at the middle position of the bottom of the box body, and an upper group and a lower group of connecting lug seats 28 are arranged on the front wall and the rear wall of the box body;
the weight box 29 is supported between the front ends of the tail left base 22 and the tail right base 24, the limiting seat 27 of the weight box 29 is clamped between the tail left base 22 and the tail right base 24, the front box wall of the weight box 29 is closely attached to the fifth connecting rod 26, and the connecting lug seats 28 on the weight box 29 are clamped on two sides of the fifth connecting rod 26;
the weight box 29 is connected with an upper group of connecting iron chains and a lower group of connecting iron chains which are arranged around the weight box in a circle, the connecting iron chains sequentially penetrate through corresponding connecting lug seats 28 on the front box wall and the rear box wall, and the weight box 29 is connected and fixed with the fifth connecting rod 26;
hoisting holes 30 are formed in the two sides of the top of the front box wall, the rear box wall, the left box wall and the right box wall of the weight box 29.
The principle of the system is that the front part, the middle part and the rear part of the special end bracket of two groups are relatively and independently grouped, and the structures of the three parts are stable. During transportation, the three groups of support groups are respectively transported to the underground working face according to the sequence of back-middle-front, and finally, the assembly is completed only by hinging the corresponding top beam and the base through the bolts.
The specific operation method of the system of the utility model is as follows:
1) firstly, two special end brackets in one group are lowered to the lowest height;
2) placing the left and right brackets in groups according to the minimum distance and the actual position of the working surface;
3) sequentially removing the top beam and the base hinged pin shaft according to the sequence of front, middle and back, and transporting along with the frame;
4) correspondingly installing the front part, the middle part and the rear part for limiting and fixing according to the limiting design of the front part, the middle part and the rear part;
5) after the installation is finished, the front, middle and rear supports are correspondingly independent in groups and can be transported independently;
6) when the well is lowered, the materials are sequentially conveyed to a working surface according to the sequence of tail, middle and front;
7) after the support reaches a working face, the support assembly is completed only by mounting the top beam hinge pin and the base hinge pin of the front, middle and rear parts which are removed;
8) after the assembly is finished, the support is put in place according to the matching position of the three machines, and normal work can be carried out.
The technical solutions in the embodiments of the present invention are clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a two a set of special end support conveying systems which characterized in that: comprises a front bracket group, a middle bracket group and a tail bracket group which are detached and separated;
carry out spacing connection between the preceding support group, the back timber part: the left and right front top beams are closely placed left and right, and the hinge lugs of the reserved movable side guard plate on the inner side edge of the left front top beam are aligned with the hinge lugs of the reserved movable side guard plate on the inner side edge of the right front top beam and are connected through a fixed hinge plate and a pin shaft; the hinge hole at the rear end of the front left top beam for connecting the middle support group is aligned with the hinge hole at the rear end of the front right top beam for connecting the middle support group and is connected by inserting a rear end hinge core shaft, and the end parts at the two ends of the rear end hinge core shaft are respectively provided with a light pin for limiting; a base portion: the front left base and the front right base are symmetrically arranged at left and right intervals, an original hinge lug at the front end of the front left base is aligned with an original hinge lug at the front end of the front right base and is connected with the original hinge lugs through inserting a front end limiting mandrel, a limiting sleeve is sleeved on a shaft section, positioned between the two groups of original hinge lugs, on the front end limiting mandrel, and the end parts of two ends of the limiting mandrel are respectively provided with a light pin for limiting; the original hinge lugs at the rear end of the front left base are aligned with the original hinge lugs at the rear end of the front right base and are connected through inserting a rear end limiting mandrel, a limiting sleeve is sleeved on a shaft section, located between the two groups of original hinge lugs, on the rear end limiting mandrel, and the end parts of the two ends of the limiting mandrel are respectively provided with a light pin for limiting; support section between roof beam and base: a first connecting rod is supported between the rear end of the front left top beam and the rear end of the front left base, the top end of the first connecting rod is hinged with a rear end hinge mandrel on the front left top beam, and the bottom end of the first connecting rod is hinged with a rear end limiting mandrel on the front left base; a second connecting rod is supported between the rear end of the front right top beam and the rear end of the front right base, the top end of the second connecting rod is hinged with a rear end hinge core shaft on the front right top beam, a supporting seat is fixed at the bottom end of the second connecting rod, and the supporting seat is movably supported on the top surface of the front right base; the length of the first connecting rod is greater than that of the second connecting rod, and the first connecting rod and the second connecting rod are matched with the base part to form a triangular structure;
carry out spacing connection between the middle part support group, back timber part: the middle left top beam and the middle right top beam are placed in a left-right close fit mode, and the hinge lug of the reserved movable side guard plate on the inner side edge of the middle left top beam is aligned with the hinge lug of the reserved movable side guard plate on the inner side edge of the middle right top beam and connected through the fixed hinge plate and the pin shaft; the hinge hole at the front end of the middle left top beam for connecting the front support group is aligned with the hinge hole at the front end of the middle right top beam for connecting the front support group and is connected through inserting a front end hinge core shaft, and the end parts at the two ends of the front end hinge core shaft are respectively provided with a light pin for limiting; the hinge hole at the rear end of the middle left top beam for connecting the tail support group is aligned with the hinge hole at the rear end of the middle right top beam for connecting the tail support group and is connected through inserting a rear end hinge core shaft, and the end parts of the two ends of the rear end hinge core shaft are respectively provided with a light pin for limiting; a base portion: the middle left base and the middle right base are symmetrically arranged at left and right intervals, an original hinge lug at the front end of the middle left base is aligned with an original hinge lug at the front end of the middle right base and is connected with the original hinge lugs at the front end of the middle right base through inserting a front end limiting mandrel, a limiting sleeve is sleeved on a shaft section, positioned between the two groups of original hinge lugs, on the front end limiting mandrel, and light pins are respectively arranged at the end parts of two ends of the limiting mandrel for limiting; the original hinge lug at the rear end of the middle left base is aligned with the original hinge lug at the rear end of the middle right base and is connected through inserting a rear end limiting mandrel, a limiting sleeve is sleeved on a shaft section between the two groups of original hinge lugs on the rear end limiting mandrel, and the end parts of the two ends of the rear end limiting mandrel are respectively provided with a light pin for limiting; support section between roof beam and base: the front end of the middle support group is supported with a third connecting rod, the top end of the third connecting rod is hinged with a front end hinge core shaft inserted between the middle left top beam and the middle right top beam, a hinge point is positioned at the center position of the front end hinge core shaft between the middle left top beam and the middle right top beam, the bottom end of the third connecting rod is hinged with a front end limiting core shaft inserted between the middle left base and the middle right base, and the hinge point is positioned at the center position of the front end limiting core shaft between the middle left base and the middle right base; a fourth connecting rod is supported at the rear end of the middle support group, the top end of the fourth connecting rod is hinged with a rear end hinge core shaft inserted between the middle left top beam and the middle right top beam, a hinge point is positioned at the central position of the rear end hinge core shaft between the middle left top beam and the middle right top beam, the bottom end of the fourth connecting rod is hinged with a rear end limiting core shaft inserted between the middle left base and the middle right base, and the hinge point is positioned at the central position of the rear end limiting core shaft between the middle left base and the middle right base;
carry out spacing connection between the afterbody support group, back timber part: the left tail top beam and the right tail top beam are placed in a left-right close fit mode, and the hinge lug of the reserved movable side guard plate on the inner side edge of the left tail top beam is aligned with the hinge lug of the reserved movable side guard plate on the inner side edge of the right tail top beam and connected through the fixed hinge plate and the pin shaft; the front end of the tail left top beam is used for connecting a hinge hole of the middle support group, the front end of the tail right top beam is used for connecting a hinge hole of the middle support group, the hinge holes are aligned and connected through inserting a front end hinge core shaft, and the end parts of the two ends of the front end hinge core shaft are respectively provided with a light pin for limiting; a base portion: the tail left base and the tail right base are symmetrically arranged at left and right intervals, an original hinge lug at the front end of the tail left base is aligned with an original hinge lug at the front end of the tail right base and is connected through inserting a front end limiting mandrel, and two end parts of the front end limiting mandrel are respectively provided with an optical pin for limiting; the reserved connecting lugs at the rear end of the tail left base are aligned with the reserved connecting lugs at the rear end of the tail right base and are connected through inserting a connecting pin shaft, a limiting sleeve is sleeved on a shaft section, located between the two groups of reserved connecting lugs, on the connecting pin shaft, and the end parts of two ends of the connecting pin shaft are respectively provided with a smooth pin for limiting; support section between roof beam and base: the front end of the tail support group is supported with a fifth connecting rod, the top end of the fifth connecting rod is hinged with a front end hinge core shaft inserted on the tail left top beam and the tail right top beam, a hinge joint is positioned at the central position of the front end hinge core shaft between the tail left top beam and the tail right top beam, the bottom end of the fifth connecting rod is hinged with a front end limiting core shaft inserted on the tail left base and the tail right base, and the hinge joint is positioned at the central position of the front end limiting core shaft between the tail left base and the tail right base;
the front end of the tail support group is provided with a weight box, the weight box comprises a square box body, the middle position of the bottom of the box body is provided with a limiting seat, and the front box wall and the rear box wall of the box body are respectively provided with an upper connecting lug seat and a lower connecting lug seat; the weight box is supported between the front ends of the tail left base and the tail right base, a limiting seat of the weight box is clamped between the tail left base and the tail right base, the front box wall of the weight box is arranged in a manner of being clung to the fifth connecting rod, and connecting lug seats on the front box wall of the weight box are clamped on two sides of the fifth connecting rod; the weight box is connected with an upper group of connecting iron chains and a lower group of connecting iron chains which are arranged around one circle of the weight box, the connecting iron chains sequentially penetrate through corresponding connecting lugs on the front box wall and the rear box wall, and the weight box is connected and fixed with the fifth connecting rod; hoisting holes are formed in the two sides of the top of the front box wall, the rear box wall, the left box wall and the right box wall of the weight box.
2. A two-unit special end bracket transport system according to claim 1, characterized in that: when the front support groups are in limiting connection, the shaft sections, which are positioned between the two sides of the top end of the second connecting rod and the hinge lugs on the front right top beam, on the rear-end hinge core shaft are respectively sleeved with a limiting sleeve.
3. Two-unit special head carrier transport system according to claim 1 or 2, characterized in that: when the middle support groups are in limit connection, the limit sleeve on the front-end limit mandrel is divided into two parts which are respectively arranged at two sides of the end part of the bottom end of the third connecting rod; the limiting sleeve on the rear limiting mandrel is divided into two parts and is respectively arranged on two sides of the end part of the bottom end of the fourth connecting rod.
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| CN202122430231.4U CN216198204U (en) | 2021-10-09 | 2021-10-09 | Two-frame one-group special end support transportation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944493A (en) * | 2021-10-09 | 2022-01-18 | 晋能控股装备制造集团金鼎山西煤机有限责任公司 | Transportation method for two special end supports in group |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944493A (en) * | 2021-10-09 | 2022-01-18 | 晋能控股装备制造集团金鼎山西煤机有限责任公司 | Transportation method for two special end supports in group |
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