阅读说明：本技术 煤柱充填区支护预制混凝土支柱用辅助车 (Auxiliary vehicle for supporting precast concrete pillars in coal pillar filling area ) 是由 秦江艳 王炎宾 余波 安润东 刘平 李良红 庞东光 刘伟雄 于 2020-12-29 设计创作，主要内容包括：本发明公开了一种煤柱充填区支护预制混凝土支柱用辅助车,其包括移动底盘；伸缩推杆的伸缩端固定有沿移动底盘的顶面移动设置的移动底座；支架的顶端与吊臂的一端铰接,吊臂的另一端固定有卡接件；升降推杆的底端与支撑座铰接,升降推杆的伸缩端与吊臂的底面铰接。优点：通过本发明对支柱进行转运,提高转运效率；通过控制回转机构带动支撑座进行转动,以此控制吊臂端部回转至移动底盘上方,对支柱进行吊装,控制伸缩推杆的伸缩及控制吊臂的回转,将预制混凝土支柱移动到指定支护位置,进行支护作业；通过本发明使预制混凝土支柱保持竖直状态,对预制混凝土支柱起到稳定的作用,不需要工作人员始终握持支柱,降低人工成本和劳动强度。(The invention discloses an auxiliary vehicle for supporting a precast concrete pillar in a coal pillar filling area, which comprises a movable chassis; a movable base movably arranged along the top surface of the movable chassis is fixed at the telescopic end of the telescopic push rod; the top end of the bracket is hinged with one end of the suspension arm, and the other end of the suspension arm is fixed with a clamping piece; the bottom end of the lifting push rod is hinged with the supporting seat, and the telescopic end of the lifting push rod is hinged with the bottom surface of the suspension arm. The advantages are that: the invention transfers the support, thereby improving the transfer efficiency; the supporting seat is driven to rotate by controlling the rotating mechanism, so that the end part of the suspension arm is controlled to rotate to the position above the movable chassis, the support column is hoisted, the telescopic push rod is controlled to stretch and retract, the suspension arm is controlled to rotate, the precast concrete support column is moved to a specified supporting position, and supporting operation is carried out; the invention ensures that the precast concrete support post is kept in a vertical state, plays a role in stabilizing the precast concrete support post, does not need workers to hold the support post all the time, and reduces the labor cost and the labor intensity.)

1. The auxiliary vehicle for supporting the precast concrete strut in the coal pillar filling area is characterized by comprising a movable chassis, a suspension arm and a lifting push rod;

a telescopic push rod is horizontally fixed on the top surface of the movable chassis, a movable base is fixed on the telescopic end of the telescopic push rod, and stacking seats are fixed on the top surfaces of the movable chassis on the two sides of the telescopic push rod;

the top surface of the movable base is connected with a supporting seat through a swing mechanism, a support is vertically fixed on the top surface of the supporting seat, the top end of the support is hinged with one end of the suspension arm, and a clamping piece is fixed at the other end of the suspension arm;

the bottom end of the lifting push rod is hinged to the supporting seat, and the telescopic end of the lifting push rod is hinged to the bottom surface of the suspension arm.

2. The auxiliary vehicle for supporting the precast concrete column in the coal pillar filling area according to claim 1, wherein a guide slideway arranged in parallel with the telescopic push rod is fixed on the top surface of the movable chassis on both sides of the telescopic push rod, and a roller arranged in a rolling manner along the guide slideway is rotatably arranged on the bottom surface of the movable base.

3. The auxiliary vehicle for supporting the precast concrete column in the coal pillar filling area according to claim 2, wherein a limit baffle is fixed to an end of the guide chute.

4. The auxiliary vehicle for supporting the precast concrete column in the coal pillar filling area according to claim 2, wherein a limiting plate is fixed to the guide chute in the longitudinal direction and disposed above the roller, and the roller is in rolling contact with a plate surface of the limiting plate.

5. The auxiliary vehicle for supporting the precast concrete column in the coal pillar filling area according to claim 2, wherein two rows of horizontally rotatably arranged limiting wheels are connected to the bottom surface of the movable base, and the two rows of limiting wheels roll along the corresponding side walls of the guide slide ways.

6. The auxiliary vehicle for supporting the precast concrete column in the coal pillar filling area according to claim 1, wherein the slewing mechanism comprises a hydraulic motor and a slewing support bearing with a gear ring; the hydraulic motor is fixed on the top surface of the movable chassis, and an output shaft of the hydraulic motor is in transmission connection with a gear ring of the rotary support bearing; the inner ring of the swing mechanism is fixedly connected with the movable base, and the outer ring of the swing mechanism is fixedly connected with the supporting seat.

7. The auxiliary vehicle for supporting the precast concrete strut in the coal pillar filling area according to any one of claims 1 to 6, wherein the stacking base comprises two stacking supports A arranged in parallel to the direction of the telescopic push rod, each stacking support A comprises an arc-shaped supporting plate A with an upward opening, and the center line of the arc-shaped supporting plate A is arranged in parallel relative to the telescopic push rod; and sleeves are vertically fixed on two sides of the arc-shaped supporting plate A respectively, and are inserted on the top surface of the movable chassis in a split manner.

8. The auxiliary vehicle for supporting the precast concrete column in the coal pillar filling area according to claim 7, wherein a limit stop rod is vertically inserted into the top surfaces of the movable chassis at the two ends of the stacking base.

9. The auxiliary vehicle for supporting the precast concrete column in the coal pillar filling area according to claim 8, wherein more than one stacking support seat B is separately inserted into the top end of the stacking seat from bottom to top; the stacking support B comprises two support pipes which are arranged in parallel, and an arc-shaped supporting plate B with an upward opening and an arc-shaped pressing plate with a downward opening are sequentially fixed between the two support pipes from top to bottom; when the supporting tubes are inserted into the corresponding sleeves on the stacking base, the arc-shaped pressing plates and the arc-shaped supporting plates A are buckled to form a hollow column structure.

10. The auxiliary vehicle for supporting the precast concrete strut in the coal pillar filling area according to claim 7, wherein the suspension arm comprises two support plates with opposite parallel plate surfaces, and the two support plates are connected through a connecting plate; one end of each of the two supporting plates is hinged to the top end of the support through a pin shaft, the clamping pieces are pins, and a pin is vertically fixed to the top surface of the other end of each of the two supporting plates.

The technical field is as follows:

the invention relates to the technical field of coal mine equipment, in particular to an auxiliary vehicle for supporting a precast concrete pillar in a coal pillar filling area.

Background art:

the support is an important tool commonly used in underground coal mine production, and underground safe production can be ensured through the support; in the coal pillar-free mining process, after mining the coal pillars, filling the corresponding mined-out areas, and before filling, usually using a large number of precast concrete pillars for temporary support; at present, when supporting operation is carried out on a precast concrete strut, the precast concrete strut is firstly carried to a goaf from a specified position in a roadway, then the precast concrete strut is erected, and top clamping is carried out through wood wedge pressurization to complete supporting, in the process, besides the need of carrying the strut, at least 2 workers are required to hold the strut all the time during supporting, inclination is avoided, supporting is facilitated, and then top clamping is carried out through wood wedge pressurization by other workers; so, not only increase the cost of labor, this kind of support mode intensity of labour is big moreover, and is consuming time long, wastes time and energy, and the operating efficiency is low.

The invention content is as follows:

the invention aims to provide an auxiliary vehicle for supporting a precast concrete pillar in a coal pillar filling area, which is beneficial to improving the operation efficiency and reducing the labor intensity.

The invention is implemented by the following technical scheme: the auxiliary vehicle for supporting the precast concrete strut in the coal pillar filling area comprises a movable chassis, a suspension arm and a lifting push rod; a telescopic push rod is horizontally fixed on the top surface of the movable chassis, a movable base is fixed on the telescopic end of the telescopic push rod, and stacking seats are fixed on the top surfaces of the movable chassis on the two sides of the telescopic push rod; the top surface of the movable base is connected with a supporting seat through a swing mechanism, a support is vertically fixed on the top surface of the supporting seat, the top end of the support is hinged with one end of the suspension arm, and a clamping piece is fixed at the other end of the suspension arm; the bottom end of the lifting push rod is hinged to the supporting seat, and the telescopic end of the lifting push rod is hinged to the bottom surface of the suspension arm.

Furthermore, a guide slideway parallel to the telescopic push rod is fixed on the top surface of the movable chassis on two sides of the telescopic push rod respectively, and rollers arranged in a rolling manner along the guide slideway are arranged on the bottom surface of the movable base in a rotating manner.

Furthermore, a limiting baffle is fixed at the end part of the guide slide way.

Furthermore, a limiting plate arranged above the roller is fixed on the guide slide way along the length direction, and the roller is in rolling contact with the plate surface of the limiting plate.

Furthermore, the bottom surface of the movable base is connected with two rows of limiting wheels which are horizontally and rotatably arranged, and the two rows of limiting wheels roll along the corresponding side walls of the guide slide ways.

Further, the slewing mechanism comprises a hydraulic motor and a slewing support bearing with a gear ring; the hydraulic motor is fixed on the top surface of the movable chassis, and an output shaft of the hydraulic motor is in transmission connection with a gear ring of the rotary support bearing; the inner ring of the swing mechanism is fixedly connected with the movable base, and the outer ring of the swing mechanism is fixedly connected with the supporting seat.

Furthermore, the stacking seat comprises two stacking supports A which are arranged in parallel to the direction of the telescopic push rod, each stacking support A comprises an arc-shaped supporting plate A with an upward opening, and the central line of each arc-shaped supporting plate A is arranged in parallel relative to the telescopic push rod; and sleeves are vertically fixed on two sides of the arc-shaped supporting plate A respectively, and are inserted on the top surface of the movable chassis in a split manner.

Furthermore, a limit stop lever is vertically inserted into the top surfaces of the movable chassis at the two ends of the stacking base respectively.

Furthermore, the top end of the stacking seat is separately inserted with more than one stacking support B from bottom to top; the stacking support B comprises two support pipes which are arranged in parallel, and an arc-shaped supporting plate B with an upward opening and an arc-shaped pressing plate with a downward opening are sequentially fixed between the two support pipes from top to bottom; when the supporting tubes are inserted into the corresponding sleeves on the stacking base, the arc-shaped pressing plates and the arc-shaped supporting plates A are buckled to form a hollow column structure.

Furthermore, the suspension arm comprises two support plates with opposite parallel plate surfaces, and the two support plates are connected through a connecting plate; one end of each of the two supporting plates is hinged to the top end of the support through a pin shaft, the clamping pieces are pins, and a pin is vertically fixed to the top surface of the other end of each of the two supporting plates.

The invention has the advantages that: after the precast concrete pillars are stacked on the stacking base, the precast concrete pillars are transported through the stacking base, so that the labor intensity of workers in transportation is reduced, and the transportation efficiency is improved; the supporting seat is driven to rotate by controlling the rotating mechanism, so that the end part of the suspension arm fixed with the clamping piece is controlled to rotate to the position above the precast concrete pillar, the precast concrete pillar is convenient to hoist, and the precast concrete pillar is moved to an appointed supporting position by controlling the lifting push rod and the telescopic push rod to stretch and control the rotation of the suspension arm to carry out supporting operation; during supporting operation, the precast concrete support column is always kept in a vertical state through the invention, so that the precast concrete support column is stabilized, and workers can use wood wedges to press and jack up to complete supporting; therefore, by the aid of the support device, workers do not need to hold the support column all the time in the supporting process, labor cost and labor intensity are reduced, and time and labor are saved.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a left side view of fig. 1.

Fig. 4 is a schematic structural view of the stacking support a of the present invention.

FIG. 5 is a schematic view of the stacking support B inserted in the present invention.

Fig. 6 is a schematic structural view of the stacking support B of the present invention.

The parts in the drawings are numbered as follows: the device comprises a movable chassis 1, a suspension arm 2, a connecting plate 2.1, a supporting plate 2.2, a lifting push rod 3, a telescopic push rod 4, a movable base 5, a rotary mechanism 6, a hydraulic motor 6.1, a rotary supporting bearing 6.2, a supporting seat 7, a support 8, a clamping piece 9, a cab 10, a stacking seat 11, a stacking support A11.1, an arc-shaped supporting plate A11.11, a sleeve pipe 11.12, a guide slideway 12, a roller 13, a limit baffle 14, a limit plate 15, a limit wheel 16, a limit stop lever 17, a stacking support B18, an arc-shaped supporting plate B18.1, a supporting pipe 18.2, an arc-shaped pressing plate 18.3 and a precast concrete support column 19.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, the auxiliary vehicle for supporting the precast concrete pillar in the coal pillar filling area comprises a moving chassis 1, a suspension arm 2 and a lifting push rod 3; a telescopic push rod 4 is horizontally fixed on the top surface of the movable chassis 1, and in the embodiment, the telescopic push rod 4 is a hydraulic cylinder; the telescopic end of the telescopic push rod 4 is fixed with a movable base 5, the top surfaces of the movable chassis 1 at the two sides of the telescopic push rod 4 are respectively fixed with a guide slideway 12 which is arranged in parallel with the telescopic push rod 4, the bottom surface of the movable base 5 is rotatably provided with a roller 13 which is arranged along the corresponding guide slideway 12 in a rolling way, in the embodiment, the guide slideway 12 is in an H-shaped structure, the roller 13 rolls in a groove at the upper part of the guide slideway 12, and the guide slideway 12 in the H-shaped structure can limit the movable base 5 to prevent left and right deviation; the reciprocating movement of the movable base 5 along the guide slideway 12 is realized by controlling the extension and contraction of the telescopic push rod 4; the end of the guide slide way 12 is fixed with a limit baffle 14, the limit of the roller 13 on the movable base 5 can be realized through the limit baffle 14, the roller is prevented from sliding out of the guide slide way 12, and the safety protection effect is achieved.

A limiting plate 15 is fixed at a notch at the upper part of the guide slide way 12 with the H-shaped structure, the roller 13 is in rolling contact with the lower plate surface of the limiting plate 15, the limiting plate 15 is used for limiting the roller 13, the roller 13 is prevented from tilting, the movable base 5 is prevented from being stressed to incline, and the safety protection effect is achieved; the bottom surface of the moving base 5 between the two guide slideways 12 is connected with two rows of limiting wheels 16 which are horizontally and rotatably arranged, the two rows of limiting wheels 16 roll along the outer walls of the corresponding guide slideways 12, and the moving base 5 can be further limited in the direction perpendicular to the guide slideways 12 through the limiting wheels 16, so that the stable movement of the moving base 5 can be ensured.

The top surface of the movable base 5 is connected with a supporting seat 7 through a slewing mechanism 6, and the slewing mechanism 6 comprises a hydraulic motor 6.1 and a slewing supporting bearing 6.2 with a gear ring; the inner ring of the rotary support bearing 6.2 is fixedly connected with the movable base 5, and the outer ring of the rotary support bearing 6.2 is fixedly connected with the support base 7; a hydraulic motor 6.1 is fixed on the top surface of the movable chassis 1, an output shaft of the hydraulic motor 6.1 is in transmission connection with a gear ring of the rotary support bearing 6.2, in the embodiment, the output shaft of the hydraulic motor 6.1 is arranged upwards, a gear is coaxially sleeved and fixed, and the gear is in meshing transmission with the gear ring of the rotary support bearing 6.2; by controlling the hydraulic motor 6.1, the outer ring of the rotary supporting bearing 6.2 is driven to rotate, so that the supporting seat 7 is driven to rotate.

A support 8 is vertically fixed on the top surface of the supporting seat 7, the top end of the support 8 is hinged with one end of the suspension arm 2, the suspension arm 2 comprises two supporting plates 2.2, the plate surfaces of the two supporting plates are relatively parallel to each other, the two supporting plates 2.2 are connected through a connecting plate 2.1, one ends of the two supporting plates 2.2 are hinged with the top end of the support 8 through pin shafts, the clamping piece 9 is a pin, and a pin is vertically fixed on the top surfaces of the other ends of the two supporting plates 2.2; in the embodiment, the lifting push rod 3 adopts an oil cylinder, the bottom end of the lifting push rod 3 is hinged with the supporting seat 7, and the telescopic end of the lifting push rod 3 is hinged with the bottom surface of the suspension arm 2; the lifting lugs arranged on the outer wall are pre-embedded in the existing precast concrete strut 19 used in a coal mine, when the precast concrete strut 19 is supported, the lifting lugs corresponding to the outer wall of the precast concrete strut 19 are penetrated through two pins, and the lifting push rod 3 is controlled to stretch and retract, so that the precast concrete strut 19 is kept in a vertical state, the precast concrete strut 19 is stabilized, and a worker can press and abut against the top by using a wood wedge to complete support.

The top surface of supporting seat 7 is equipped with driver's cabin 10, and in this embodiment, telescopic push rod 4, hydraulic motor 6.1 and lift push rod 3 all pass through hydraulic system control, and the staff can realize controlling telescopic push rod 4, hydraulic motor 6.1 and lift push rod 3 through the handle that the manipulation hydraulic system corresponds in driver's cabin 10.

The top surfaces of the movable chassis 1 at two sides of the telescopic push rod 4 are both fixed with stacking seats 11, in the embodiment, the stacking seats 11 comprise two stacking supports A11.1 which are arranged in parallel to the telescopic push rod 4, each stacking support A11.1 comprises an arc-shaped supporting plate A11.11 with an upward opening, the central line of the arc-shaped supporting plate A11.11 is arranged in parallel relative to the telescopic push rod 4, two sides of the arc-shaped supporting plate A11.11 are respectively and vertically fixed with a sleeve 11.12, and the sleeve 11.12 is separately inserted on the top surface of the movable chassis 1; the top surfaces of the movable chassis 1 at the two ends of the stacking base 11 are respectively and vertically inserted with a limit stop lever 17, and the two stacking supports A11.1 are arranged between the two limit stop levers 17; after placing precast concrete pillar 19 on stacking base 11, through pegging graft spacing pin 17, can play the effect that blocks to precast concrete pillar 19's both ends, avoid dropping among the transportation.

As shown in fig. 5 and 6, the top end of the stacking base 11 is separately inserted with more than one stacking support B18 from bottom to top, the stacking support B18 comprises two support tubes 18.2 arranged in parallel, and an arc-shaped support plate B18.1 with an upward opening and an arc-shaped pressure plate 18.3 with a downward opening are sequentially fixed between the two support tubes 18.2 from top to bottom; when the support pipes 18.2 are inserted into the corresponding sleeves 11.12 on the stacking base 11, the arc-shaped pressing plates 18.3 are buckled with the arc-shaped supporting plates A11.11 to form a hollow column structure, the precast concrete support columns 19 arranged on the arc-shaped supporting plates A11.11 are buckled, and the precast concrete support columns 19 can be continuously arranged on the arc-shaped supporting plates B18.1; by the superposition, a plurality of precast concrete struts 19 can be transported simultaneously, the reciprocating times of the transportation are reduced, and the operation efficiency is improved.

According to the invention, after the precast concrete struts 19 are stacked on the stacking seat 11 of the movable chassis 1, the precast concrete struts 19 are transported by the invention, so that the labor intensity of workers in transportation is reduced, and the transportation efficiency is improved; the supporting seat 7 is driven to rotate by controlling the rotating mechanism 6, so that the end part of the suspension arm 2 fixed with the clamping piece 9 is controlled to rotate to the position above the movable chassis 1, the precast concrete strut 19 on the stacking seat 11 is conveniently hoisted to the suspension arm 2 through the clamping piece 9, and the precast concrete strut 19 is moved to an appointed supporting position by controlling the stretching of the stretching push rod 4 and controlling the rotation of the suspension arm 2 to carry out supporting operation; during supporting operation, the precast concrete strut 19 is always kept in a vertical state through the invention, so that the precast concrete strut 19 is stabilized, and workers can use wood wedges to press and jack up to complete supporting; therefore, by the aid of the support device, workers do not need to hold the support column all the time in the supporting process, labor cost and labor intensity are reduced, and time and labor are saved.

Instructions for use: the movement of the movable chassis 1 is controlled by the staff in the cab 10, so that the invention is moved to the centralized placement position of the precast concrete pillars 19 in the roadway; then, the worker moves the precast concrete strut 19 to the stacking seat 11 of the mobile chassis 1, the stacking support B18 is inserted into the stacking seat 11, the precast concrete strut 19 is stacked on the stacking support B18, and then the limit stop lever 17 is inserted into the mobile chassis 1 to block two ends of the precast concrete strut 19; the method is controlled to move to a supporting operation area of a coal pillar filling area.

When supporting operation is carried out, the outer ring of the rotary support bearing 6.2 is driven to rotate by controlling the hydraulic motor 6.1, the support seat 7 is driven to rotate, the end part of the suspension arm 2 fixed with the pin is controlled to rotate to the upper part of the precast concrete pillar 19, the pin on the suspension arm 2 is close to the lifting lug of the precast concrete pillar 19 by controlling the extension and retraction of the telescopic push rod 4, the precast concrete pillar 19 which is horizontally placed is lifted under the assistance of manpower, the lifting lug of the precast concrete pillar 19 is hung on the pin of the suspension arm 2, and the lifting push rod 3 is controlled to extend out to lift the precast concrete pillar 19; then the swing mechanism 6 controls the suspension arm 2 to swing and controls the telescopic push rod 4 to stretch, the precast concrete strut 19 is moved to a specified supporting position, and then the lifting push rod 3 is controlled to stretch to enable the precast concrete strut 19 to be in a vertical state, so as to carry out supporting operation; according to the above process, the mobile chassis 1 is sequentially moved to each supporting position, and each precast concrete pillar 19 is sequentially supported.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.