CN211282989U - Fragment of brick discharge apparatus for construction - Google Patents

Abstract

The utility model discloses a fragment of brick discharge apparatus for construction, the on-line screen storage device comprises a base, base bottom one side department symmetry is fixed with two backup pads, run through on two backup pads and be equipped with same axle, axle and backup pad contact department swivelling joint, axle both ends fixed mounting respectively has the gyro wheel, the fixed cover of axle central authorities department has the sprocket, department is equipped with the motor directly over the sprocket, motor fixed mounting is on the base bottom, fixed mounting has first sprocket on the output shaft of motor, first sprocket passes through the chain and is connected with sprocket drive, base one side is fixed with the riser, riser lateral wall top department is fixed with the diaphragm. The utility model discloses a setting of box, backup pad, running-board and first motor, can relax in the orderly box of stacking the fragment of brick on the transport vechicle to through the light box removal to the fragment of brick department of unloading of base, and through first pneumatic cylinder and push pedal the holistic release fragment of brick department of stacking of the fragment of brick in the box, effectual convenient transport fragment of brick and the convenient purpose of unloading have been reached.

Description

Fragment of brick discharge apparatus for construction

Technical Field

The invention relates to the field of building construction, in particular to a brick unloading device for building construction.

Background

In the construction industry, a large number of blocks used in construction are transported from a brick factory to a construction site, typically by a transport vehicle. However, when the vehicle is transported to a building site, the vehicle cannot directly unload the bricks even if the vehicle has a tipping function, because the bricks must be orderly stacked on the ground, and the bricks are seriously damaged if the vehicle is directly tipped to unload the bricks, the brick unloading is finished manually, at present, when the bricks are unloaded from the vehicle, because the height of the car hopper, two bricks can be placed on the ground generally by matching, usually, one person stands on the car hopper first, then the bricks in the car hopper are delivered to a person on the ground, the person on the ground can stack the bricks orderly on the ground, because the force of the person is limited, the bricks can be transported and unloaded sporadically, so that the speed is slow, the labor intensity is high, the hands and the feet of the person are easily injured, the unloading progress is directly influenced, particularly, when the vehicle cannot be parked in a brick stacking area, workers on the ground need to run back and forth to transport the bricks, not only intensity of labour increases, influences the job schedule moreover more.

Disclosure of Invention

In order to solve the existing problems, the invention provides a brick discharging device for building construction.

The invention is realized by the following technical scheme:

a brick unloading device for building construction comprises a base, wherein two supporting plates are symmetrically fixed at one side of the bottom end of the base, a same shaft penetrates through the two supporting plates, the shaft is rotatably connected with the contact part of the supporting plates, idler wheels are respectively and fixedly installed at two ends of the shaft, a chain wheel is fixedly sleeved at the center of the shaft, a motor is arranged right above the chain wheel, the motor is fixedly installed at the bottom end of the base, a first chain wheel is fixedly installed on an output shaft of the motor and is in transmission connection with the chain wheel through a chain, a vertical plate is fixed at one side of the base, a transverse plate is fixed at the top end of the side wall of the vertical plate, a first shaft vertically penetrates through the transverse plate, the contact part of the first shaft and the transverse plate is rotatably connected, two limiting rings are fixedly sleeved on the first shaft, the two limiting rings are symmetrically attached to form the top end and the bottom end of the, a connecting plate is fixed at the top end of the first shaft, a pushing handle is fixedly installed at the side end of the connecting plate, a control switch is fixedly installed at the top end of the pushing handle, a balancing weight is fixedly installed on the top surface of the base, a storage battery is fixedly installed at the top end of the balancing weight, a PLC controller is fixedly installed on the side wall of the balancing weight, a first connecting plate is arranged at the right upper end of the PLC controller, a second connecting plate is hinged at the side end of the first connecting plate through a pin, a hydraulic cylinder is fixedly installed at the side end of the second connecting plate, a third connecting plate is fixed at the telescopic end of the hydraulic cylinder, a fourth connecting plate is hinged at the side end of the third connecting plate through a pin, a cover body is fixed at the side end of the fourth connecting plate, a supporting rod is fixed at the bottom end of the side wall of the cover, a hydraulic station is fixedly installed on the top surface of the base between the fifth connecting plate and the balancing weight, a first motor is fixedly installed on the top surface of the cover body, an output shaft of the first motor penetrates through the top surface of the cover body and extends into the cover body to be fixedly connected with a lead screw, an output shaft of the first motor is rotatably connected with a contact part of the cover body, the bottom end of the lead screw penetrates through the bottom end in the cover body and extends out of the cover body to be fixedly provided with a check ring, the top surface of the check ring is attached to the bottom of the cover body, the lead screw is rotatably connected with the contact part of the cover body, a lead screw nut is sleeved on the lead screw and is in threaded connection with the lead screw, a sixth connecting plate is fixed on the side wall of the lead screw nut, a through hole is formed in the top surface of the sixth connecting plate, a guide rod is arranged in the, the diameter of the guide rod is smaller than the diameter cm of the through hole, the top end and the bottom end of the guide rod are fixedly connected with the top end and the inner bottom end of the cover body respectively, a sleeve is sleeved on the guide rod and is arranged on the guide rod in a sliding manner, the sleeve is arranged at the upper end of a sixth connecting plate, a box body is fixed at one end of the opening of the cover body, a box door is hinged at the other side of the box body through a hinge, the top and the bottom of the box body are both provided with openings, a handle is fixed on the side wall of the box door, two square rods are arranged at the upper end of the handle and symmetrically arranged at the two ends of the side wall of the box door, connecting blocks are symmetrically fixed at the top end and the bottom end of each square rod respectively, the side ends of the connecting blocks are fixedly connected with the side wall of the box door, a bottom plate is fixed at the bottom end of the side wall of the square sleeve, a pedal is hinged to the top end of the bottom plate through a hinge, an arc plate is arranged at the side end of the pedal, the axial lead of the arc plate is consistent with the hinge axial lead of the hinged pedal, a limiting block is fixed at the top end of the arc plate, the bottom of the limiting block is attached to the top end of the pedal, a pressing block is fixed at the bottom of the pedal, a first control switch is arranged at the position right below the pressing block, the first control switch is fixedly installed on the top surface of the bottom plate, a reset spring is fixedly arranged between the top surface of the bottom plate and the bottom of the pedal, a sliding groove is formed in the side wall of the connecting part of the box body and the cover body, the box body is communicated with the interior of the cover body through the sliding groove, an L-shaped connecting plate is arranged in the sliding groove, the, the side end of the transverse plate of the L-shaped connecting plate extends out of the chute and extends into the box body, a first supporting plate is fixedly arranged, the outer side of the first supporting plate is in fit sliding connection with the inner wall of the box body, a T-shaped chute is transversely formed in the top surface of the first supporting plate, a T-shaped sliding block is slidably arranged in the T-shaped chute, a pushing plate is fixedly arranged at the top end of the T-shaped sliding block, the top end of the T-shaped sliding block extends out of the T-shaped chute, the side wall of the pushing plate is in fit with the inner wall of the box body, a first hydraulic cylinder is slidably arranged in the chute and is fixedly arranged on the side wall of the sleeve, the telescopic end of the first hydraulic cylinder is fixedly connected with the side wall of the pushing plate, a first base is arranged at the side end of the box body, universal wheels are respectively and fixedly arranged at the four corners of the bottom, a plurality of positioning holes are uniformly formed in the first square rod, a positioning pin penetrates through the square guide cylinder, and the positioning pin penetrates through one positioning hole and is in sliding connection with the contact position of the positioning pin.

Preferably, the motor and the first motor are electrically connected with the control switch through leads respectively, and the control switch is electrically connected with the storage battery through leads.

Preferably, the first motor is electrically connected with the first control switch through a wire, the first control switch is electrically connected with the PLC through a wire, and the PLC is electrically connected with the storage battery through a wire.

Preferably, the hydraulic cylinder and the first hydraulic cylinder are respectively connected with a hydraulic station pipeline through a conduit.

Preferably, a brake device is fixedly arranged on the roller.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the arrangement of the box body, the supporting plate, the pedal plate and the first motor, bricks on the transport vehicle can be easily and orderly stacked in the box body, the box body is easily moved to a brick unloading position through the base, and the whole bricks in the box body are pushed out of the brick stacking position through the first hydraulic cylinder and the push plate, so that the purposes of conveniently carrying the bricks and conveniently unloading the bricks are effectively achieved.

Drawings

FIG. 1 is a block diagram of the structure of the present invention;

FIG. 2 is a top view of a portion of the structure of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;

fig. 5 is a schematic diagram of the operation of the structure of fig. 1 according to the present invention.

In the figure: the device comprises a base 1, a supporting plate 2, a motor 3, a first chain wheel 4, a shaft 5, a chain wheel 6, a chain 7, a roller 8, a vertical plate 9, a transverse plate 10, a first shaft 11, a first roller 12, a limiting ring 13, a connecting plate 14, a push handle 15, a first transverse plate 16, a control switch 17, a balancing weight 18, a storage battery 19, a PLC (programmable logic controller) 20, a hydraulic station 21, a first connecting plate 22, a second connecting plate 23, a hydraulic cylinder 24, a third connecting plate 25, a fourth connecting plate 26, a cover body 27, a fifth connecting plate 28, a support rod 29, a box body 30, a first motor 31, a lead screw 32, a retaining ring 33, a guide rod 34, a lead screw nut 35, a sixth connecting plate 36, a through hole 37, a sleeve 38, a first hydraulic cylinder 39, a push plate 40, an L-shaped connecting plate 41, a sliding groove 42, a first supporting plate 43, a T-shaped sliding groove 44, a T-shaped, The locking device comprises a locking bolt 51, a bottom plate 52, a pedal 53, a return spring 54, a pressing block 55, a first control switch 56, an arc-shaped plate 57, a limiting block 58, a first base 59, a universal wheel 60, a square guide cylinder 61, a first square rod 62, a positioning hole 63 and a positioning pin 64.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2, 3, 4 and 5, a brick discharging device for building construction comprises a base 1, two support plates 2 are symmetrically fixed at one side of the bottom end of the base 1, a same shaft 5 penetrates through the two support plates 2, the contact part of the shaft 5 and the support plates 2 is rotatably connected, rollers 8 are respectively and fixedly installed at two ends of the shaft 5, a chain wheel 6 is fixedly sleeved at the center of the shaft 5, a motor 3 is arranged at the upper end of the chain wheel 6, the motor 3 is fixedly installed at the bottom end of the base 1, a first chain wheel 4 is fixedly installed on an output shaft of the motor 3, the first chain wheel 4 is in transmission connection with the chain wheel 6 through a chain 7, a vertical plate 9 is fixed at one side of the base 1, a transverse plate 10 is fixed at the top end of the side wall of the vertical plate 9, a first shaft 11 vertically penetrates through the transverse plate 10, the contact part of the first shaft 11 and the transverse, the device comprises a first shaft 11, a second shaft 11, a transverse plate 10, a first roller 12, a connecting plate 14, a push handle 15, a control switch 17, a counterweight 18, a storage battery 19, a PLC (programmable logic controller) 20, a first connecting plate 22, a second connecting plate 23, a hydraulic cylinder 24, a third connecting plate 25, a fourth connecting plate 26, a third connecting plate 25 and a fourth connecting plate 26, wherein the first shaft 11 is fixedly sleeved with the two limiting rings 13, the two limiting rings 13 are symmetrically attached to the transverse plate 10, the first roller 12 is fixedly mounted at the bottom end of the first shaft 11, the connecting plate 14 is fixedly mounted at the top end of the first shaft 11, the push handle 15 is fixedly mounted at the side end of the connecting plate 14, the control switch 17 is fixedly mounted at the top end of the push handle 15, the counterweight 18 is fixedly mounted at the top surface of the base 1, the storage battery 19 is fixedly mounted at the top end of the, a cover body 27 is fixed at the side end of the fourth connecting plate 26, a supporting rod 29 is fixed at the bottom end of the side wall of the cover body 27, a fifth connecting plate 28 is hinged at the side end of the supporting rod 29 through a pin, the bottom end of the fifth connecting plate 28 is fixedly connected with the top surface of the base 1, a hydraulic station 21 is fixedly installed on the top surface of the base 1 between the fifth connecting plate 28 and the counterweight block 18, a first motor 31 is fixedly installed on the top surface of the cover body 27, an output shaft of the first motor 31 penetrates through the top surface of the cover body 27 and extends into the cover body 27 to be fixedly connected with a lead screw 32, the contact part of the output shaft of the first motor 31 and the cover body 27 is rotatably connected, the bottom end of the lead screw 32 penetrates through the inner bottom end of the cover body 27 and extends out of the cover body 27 to be fixedly provided with a retainer ring 33, the top, the lead screw nut 35 is in threaded connection with the lead screw 32, a sixth connecting plate 36 is fixed on the side wall of the lead screw nut 35, a through hole 37 is formed in the top surface of the sixth connecting plate 36, a guide rod 34 is arranged in the through hole 37, the guide rod 34 is arranged in parallel with the lead screw 32, the axis of the guide rod 34 is consistent with the axis of the through hole 37, the guide rod 34 is not in contact with the through hole 37, the diameter of the guide rod 34 is 2-3cm smaller than that of the through hole 37, the top end and the bottom end of the guide rod 34 are respectively fixedly connected with the top end and the inner bottom end in the cover body 27, a sleeve 38 is sleeved on the guide rod 34, the sleeve 38 is arranged on the guide rod 34 in a sliding manner, the sleeve 38 is arranged at the upper end of the sixth connecting plate 36, a box body 30 is fixed at one end of an opening of the cover body 27, a box door 46 is, a handle 47 is fixed on the side wall of the box door 46, two square rods 49 are arranged at the upper end of the handle 47, the two square rods 49 are symmetrically arranged at the two ends of the side wall of the box door 46, connecting blocks 48 are symmetrically fixed at the top end and the bottom end of the square rods 49 respectively, the side end of each connecting block 48 is fixedly connected with the side wall of the box door 46, a square sleeve 50 is sleeved on each square rod 49, the square sleeve 50 is slidably arranged on each square rod 49, a locking bolt 51 is screwed at the top end of the side wall of the square sleeve 50, a bottom plate 52 is fixed at the bottom end of the side wall of the square sleeve 50, a pedal 53 is hinged at the top end of the bottom plate 52 through a hinge, an arc plate 57 is arranged at the side end of the pedal 53, the axial lead of the arc plate 57 is consistent with the hinge axial lead of the hinged pedal 53, a limiting block 58 is, a pressing block 55 is fixed at the bottom of the pedal 53, a first control switch 56 is arranged at the lower end of the pressing block 55, the first control switch 56 is fixedly installed on the top surface of the bottom plate 52, a return spring 54 is fixedly arranged between the top surface of the bottom plate 52 and the bottom of the pedal 53, a sliding groove 42 is formed in the side wall of the joint of the box body 30 and the cover body 27, the box body 30 is communicated with the inside of the cover body 27 through the sliding groove 42, an L-shaped connecting plate 41 is arranged in the sliding groove 42 in a sliding manner, the top end of the vertical plate of the L-shaped connecting plate 41 is fixedly connected with the side end of the sixth connecting plate 36, the side end of the sixth connecting plate 36 extends into the sliding groove 42 and is connected with the sliding groove in a sliding manner, a first supporting plate 43 is fixed by extending the side end of the transverse plate of the L-shaped connecting plate 41 into the box body 30, the outer side, a T-shaped sliding block 45 is arranged in the T-shaped sliding groove 44 in a sliding manner, a push plate 40 is fixed on the T-shaped sliding groove 44 extending out of the top end of the T-shaped sliding block 45, the side wall of the push plate 40 is attached to the inner wall of the box body 30, a first hydraulic cylinder 39 is arranged in the sliding groove 42 in a sliding manner, the first hydraulic cylinder 39 is fixedly arranged on the side wall of the sleeve 38, the telescopic end of the first hydraulic cylinder 39 is fixedly connected with the side wall of the push plate 40, a first base 59 is arranged at the side end of the box body 30, universal wheels 60 are fixedly arranged at the four corners of the bottom end of the first base 59 respectively, a square guide cylinder 61 is fixed on the top surface of the first base 59, a first square rod 62 is arranged in the square guide cylinder 61 in a sliding manner, a first transverse plate 16 is fixed on the square guide cylinder 62 extending out of the top end of the first square, the positioning pin 64 passes through one positioning hole 63 and is slidably connected with the contact position thereof.

The motor 3 and the first motor 31 are respectively electrically connected with the control switch 17 through conducting wires, and the control switch 17 is electrically connected with the storage battery 19 through conducting wires.

The first motor 31 is electrically connected with a first control switch 56 through a lead, the first control switch 56 is electrically connected with the PLC controller 20 through a lead, and the PLC controller 20 is electrically connected with the storage battery 19 through a lead.

The hydraulic cylinder 24 and the first hydraulic cylinder 39 are each connected to the hydraulic station 21 by a line.

And a brake device is fixedly arranged on the roller 8.

The working principle is as follows: when the invention is used, as shown in figure 5, firstly, a door at one side of a hopper of a brick transport vehicle is opened, then a first base 59 is pushed, one end of a first transverse plate 16 extends into the hopper of the brick transport vehicle, then a positioning pin 64 is pulled out, the height of the first transverse plate 16 is adjusted according to the height of the inner bottom surface of the hopper from the ground, so that the bottom end of the part, extending into the hopper, of the first transverse plate 16 is attached to the inner bottom surface of the hopper, then the positioning pin 64 is inserted into a positioning hole 63 at the corresponding position, a first square rod 62 is fixed in a square guide cylinder 61, then a push handle 15 is held, a motor 3 is started through a control switch 17 on the push handle 15, the motor 3 can drive a shaft 5 to rotate through a first chain wheel 4, a chain 7 and the chain wheel 6 when in operation, the shaft 5 can synchronously drive two rollers 8 to roll when rotating, further realize the movement of the base 1, and the push handle 15 is swung left and right to, further, the moving direction of the base 1 can be controlled like the steering wheel of the automobile, so that the base 1 is moved to the side end of the first base 59, then the telescopic end of the hydraulic cylinder 24 is controlled to be extended to the maximum extent by the hydraulic station 21, the cover 27 drives the box body 30 to rotate clockwise around the hinge joint of the fifth connecting plate 28 and the support rod 29 when the telescopic end of the hydraulic cylinder 24 is extended, the cover 27 and the box body 30 are perpendicular to the ground when the telescopic end of the hydraulic cylinder 24 is extended to the maximum extent as shown in fig. 5, then the base 1 can be moved to the direction of the first base 59, so that the two square rods 49 on the box door 46 are abutted against the side end of the first cross plate 16, the two bottom plates 52 are positioned at the upper end of the first cross plate 16, the bottom of the bottom plates 52 are abutted against the top surface of the first cross plate 16, then the locking bolts 51 are screwed to fix the square sleeves 50 on the, further fixing the bottom plate 52, after the above preparation work is done, a worker stands on the first horizontal plate 16, puts bricks in the hopper into the first supporting plate 43 in the box 30 from the notch at the top of the box 30 through a brick clamp or other tools, after a layer of bricks are orderly placed on the first supporting plate 43, can step on the pedal 53 with his foot, so that the press block 55 at the bottom of the pedal 53 presses the button of the first control switch 56, at this time, the first control switch 56 can start the first motor 31 through the PLC controller 20, and can rotate the output shaft of the first motor 31 by a designated rotation angle through the PLC controller 20, when the output shaft of the first motor 31 rotates by the designated rotation angle, the screw nut 35 on the screw 32 can drive the first supporting plate 43 to descend by a designated distance (the designated distance is the same as the width of the bricks) through the sixth connecting plate 36 and the L-shaped connecting plate 41, thus, a layer of bricks neatly placed on the first support plate 43 can descend into the box body 30, and the first support plate 43 can descend for a designated distance by stepping on the pedal 53 each time, so that the bricks placed on the first support plate 43 cannot be higher and higher due to the continuous placement of the bricks, but the uppermost bricks can be always kept at the height of the first support plate 43 when a worker just begins to place the bricks, so that the worker does not need to lift up the bricks to stack, the working strength is effectively reduced, and therefore, when the first support plate 43 moves to the lowest end, namely, after the bottom of the first support plate 43 is attached to the ground, the pedal 53 is stepped on due to the arrangement of the PLC 20, the first motor 31 cannot continue to operate, and at the moment, the box body 30 is fully stacked with the bricks, and at the moment, the telescopic end of the hydraulic cylinder 24 is controlled to retract to the maximum degree through the hydraulic station 21, when the telescopic end of the hydraulic cylinder 24 retracts to the maximum extent, the box body 30 rotates counterclockwise by taking the hinged part of the fifth connecting plate 28 and the supporting rod 29 as an axis, so that the door 46 of the box body 30 is arranged obliquely upwards, the situation that the door 46 is pushed to be scattered due to bumping of bricks in the box body 30 during carrying can be prevented, then the base 1 is moved by the push handle 15 and the control switch 17 on the push handle, the base 1 is moved to the brick stacking position, then the telescopic end of the hydraulic cylinder 24 is controlled to extend to the maximum extent, so that the bottom of the first supporting plate 43 is attached to the ground, then the door 46 is opened by the handle 47, then the telescopic end of the first hydraulic cylinder 39 is controlled to extend to the maximum extent by the hydraulic station 21, so that the telescopic end of the first hydraulic cylinder 39 can push the bottom layer of the bricks stacked on the first supporting plate 43, and the bricks in the box body 30 are ejected to the ground neatly, and then the work of effectual convenient transport fragment of brick and unloading the brick that reaches. After the bricks in the box body 30 are pushed out, the telescopic end of the control hydraulic cylinder 39 retracts to the original position, the first motor 31 is started through the control switch 17, the lead screw nut 35 drives the first supporting plate 43 to return to the original position, and the brick unloading work of the bricks in the transport vehicle hopper can be continued by repeating the steps until the bricks in the transport vehicle hopper are completely unloaded. The first base 59 and the first transverse plate 16 are equivalent to providing a standing platform for workers in the working process, because bricks are fully stacked in the hopper when the bricks are just unloaded, the standing position of the workers is not available at all, so that the first transverse plate 16 is suitable for the unloading work when the workers are just unloading, when the workers stand on the hopper, the first base 59 and the first transverse plate 16 can be removed, and the bottom of the bottom plate 52 can be directly attached to the inner bottom surface of the hopper.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a fragment of brick discharge apparatus for construction, includes base (1), its characterized in that: the automatic chain wheel forming machine is characterized in that two supporting plates (2) are symmetrically fixed at one side of the bottom end of the base (1), the same shaft (5) penetrates through the two supporting plates (2), the shaft (5) is in rotary connection with the supporting plates (2), idler wheels (8) are respectively and fixedly installed at two ends of the shaft (5), a chain wheel (6) is fixedly sleeved at the center of the shaft (5), a motor (3) is arranged right above the chain wheel (6), the motor (3) is fixedly installed at the bottom end of the base (1), a first chain wheel (4) is fixedly installed on an output shaft of the motor (3), the first chain wheel (4) is in transmission connection with the chain wheel (6) through a chain (7), a vertical plate (9) is fixed at one side of the base (1), a transverse plate (10) is fixed at the top end of the side wall of the vertical plate (9), and a first shaft (11) vertically, the utility model discloses a solar cell module, including a base, a first shaft (11), two spacing rings (13), diaphragm (10) top and bottom department, first shaft (11) bottom fixed mounting has first gyro wheel (12), first shaft (11) top is fixed with connecting plate (14), connecting plate (14) side fixed mounting has pushing hands (15), pushing hands (15) top fixed mounting has control switch (17), base (1) top fixed mounting has balancing weight (18), balancing weight (18) top fixed mounting has battery (19), fixed mounting has PLC controller (20) on balancing weight (18) lateral wall, department is equipped with first connecting plate (22) directly over PLC controller (20), first connecting plate (22) side department has second connecting plate (23) through the round pin hinge, a hydraulic cylinder (24) is fixedly mounted at the side end of the second connecting plate (23), a third connecting plate (25) is fixed at the telescopic end of the hydraulic cylinder (24), a fourth connecting plate (26) is hinged at the side end of the third connecting plate (25) through a pin, a cover body (27) is fixed at the side end of the fourth connecting plate (26), a supporting rod (29) is fixed at the bottom end of the side wall of the cover body (27), a fifth connecting plate (28) is hinged at the side end of the supporting rod (29) through a pin, the bottom end of the fifth connecting plate (28) is fixedly connected with the top surface of the base (1), a hydraulic station (21) is fixedly mounted on the top surface of the base (1) between the fifth connecting plate (28) and the counterweight block (18), a first motor (31) is fixedly mounted on the top surface of the cover body (27), and an output shaft of the first motor (31) penetrates through the top surface of the cover body (27, the output shaft of the first motor (31) is rotatably connected with the contact part of the cover body (27), the bottom end of the lead screw (32) penetrates through the inner bottom end of the cover body (27) and extends out of the cover body (27), a retainer ring (33) is fixed at the outer part of the cover body (27), the top surface of the retainer ring (33) is attached to the bottom of the cover body (27), the lead screw (32) is rotatably connected with the contact part of the cover body (27), a lead screw nut (35) is sleeved on the lead screw (32), the lead screw nut (35) is in threaded connection with the lead screw (32), a sixth connecting plate (36) is fixed on the side wall of the lead screw nut (35), a through hole (37) is formed in the top surface of the sixth connecting plate (36), a guide rod (34) is arranged in the through hole (37), the guide rod (34) and the lead screw (32) are arranged in parallel, the axial lead wire of the guide rod (34) is consistent, and the diameter of the guide rod (34) is smaller than the diameter of the through hole (37) by 2-3cm, the top end and the bottom end of the guide rod (34) are respectively fixedly connected with the inner top end and the inner bottom end of the cover body (27), a sleeve (38) is sleeved on the guide rod (34), the sleeve (38) is arranged on the guide rod (34) in a sliding manner, the sleeve (38) is arranged at the upper end of a sixth connecting plate (36), a box body (30) is fixed at one opening end of the cover body (27), a box door (46) is hinged at the other side of the box body (30) through a hinge, the top and the bottom of the box body (30) are both opened, a handle (47) is fixed on the side wall of the box door (46), two square rods (49) are arranged at the upper end of the handle (47), the two square rods (49) are symmetrically arranged at the two ends of the side wall of the box door (46), and connecting blocks, the side end of the connecting block (48) is fixedly connected with the side wall of the box door (46), a square sleeve (50) is sleeved on the square rod (49), the square sleeve (50) is arranged on the square rod (49) in a sliding mode, a locking bolt (51) is screwed at the top end of the side wall of the square sleeve (50), a bottom plate (52) is fixed at the bottom end of the side wall of the square sleeve (50), a pedal (53) is hinged to the top end of the bottom plate (52) through a hinge, an arc-shaped plate (57) is arranged at the side end of the pedal (53), the axial lead of the arc-shaped plate (57) is consistent with the hinge axial lead of the hinged pedal (53), a limiting block (58) is fixed at the top end of the arc-shaped plate (57), the bottom of the limiting block (58) is attached to the top end of the pedal (53), a pressing block (55) is fixed at the bottom of the pedal (, the first control switch (56) is fixedly arranged on the top surface of the bottom plate (52), a return spring (54) is fixedly arranged between the top surface of the bottom plate (52) and the bottom of the pedal plate (53), a sliding groove (42) is formed in the side wall of the joint of the box body (30) and the cover body (27), the box body (30) is communicated with the inside of the cover body (27) through the sliding groove (42), an L-shaped connecting plate (41) is arranged in the sliding groove (42) in a sliding manner, the top end of a vertical plate of the L-shaped connecting plate (41) is fixedly connected with the side end of a sixth connecting plate (36), the side end of the sixth connecting plate (36) extends into the sliding groove (42) and is in sliding connection with the sliding groove, a transverse plate side end of the L-shaped connecting plate (41) extends out of the sliding groove (42) and extends into the box body (30) to be fixedly provided with a first supporting plate, transversely seted up T shape spout (44) on first backup pad (43) top surface, it is equipped with T shape slider (45) to slide in T shape spout (44), T shape slider (45) top is stretched out T shape spout (44) and is fixed with push pedal (40), push pedal (40) lateral wall and box (30) inner wall laminating, it is equipped with first pneumatic cylinder (39) to slide in spout (42), first pneumatic cylinder (39) fixed mounting is on sleeve (38) lateral wall, the flexible end and push pedal (40) lateral wall fixed connection of first pneumatic cylinder (39), box (30) side department is equipped with first base (59), first base (59) bottom four corners department fixed mounting respectively has universal wheel (60), first base (59) top surface is fixed with square guide cylinder (61), it is equipped with first square pole (62) to slide in square guide cylinder (61), the top end of the first square rod (62) extends out of the square guide cylinder (61) and is fixed with a first transverse plate (16), the first square rod (62) is evenly provided with a plurality of positioning holes (63), the square guide cylinder (61) is provided with a positioning pin (64) in a penetrating mode, and the positioning pin (64) penetrates through one positioning hole (63) and is in sliding connection with the contact position of the positioning pin (63).

2. The brick unloading device for building construction according to claim 1, wherein: the motor (3) and the first motor (31) are respectively electrically connected with the control switch (17) through leads, and the control switch (17) is electrically connected with the storage battery (19) through leads.

3. The brick unloading device for building construction according to claim 1, wherein: the first motor (31) is electrically connected with the first control switch (56) through a lead, the first control switch (56) is electrically connected with the PLC (20) through a lead, and the PLC (20) is electrically connected with the storage battery (19) through a lead.

4. The brick unloading device for building construction according to claim 1, wherein: the hydraulic cylinder (24) and the first hydraulic cylinder (39) are respectively connected with a pipeline of the hydraulic station (21) through a guide pipe.

5. The brick unloading device for building construction according to claim 1, wherein: and a brake device is fixedly arranged on the roller (8).

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