Construction lump material prying device
Technical Field
The invention belongs to the technical field of road construction, and particularly relates to a construction lump material prying device.
Background
In the construction process of the road, the pavement lump materials are required to be moved by using a pry bar, in the repair process of the road, the massive asphalt materials or concrete lump materials are required to be pried and moved by using the pry bar, the pry bar is a labor-saving hardware tool and is widely applied to equipment maintenance and engineering construction, in the practical application process of the pry bar, the supporting is required by means of a cushion, specifically, after the construction lump materials are pried by using the pry bar, the bricks or the wood lump materials are required to be pushed to the lower part of the pry bar by manually using feet or hands, sometimes, the pry bar is required to be pried while the cushion is pushed forwards, and meanwhile, the injury risk of the hands or feet exists; after prying, sometimes the construction block is required to be moved aside, and in the construction process, sometimes a proper cushion is difficult to find, so that the construction progress is influenced, and the safety is not ensured; in addition, due to different working contents, different types of crow bars, such as round heads, flat heads and pointed heads, are required to be used when workers work, and a great deal of physical effort is required for the workers to carry a plurality of crow bars.
Disclosure of Invention
The invention aims to provide a construction lump material prying device which has the characteristics of flexible rotation of supporting points, adjustable height, convenience in operation, labor intensity reduction and high safety.
The object of the invention is achieved in the following way: the utility model provides a construction lump material crow device, including the chassis, the chassis is the trapezoid form of front and back width, the front end downside of chassis sets up two tight pulleys, the rear end of chassis sets up two lifting wheels, the chassis downside is close to lifting wheels department and sets up the supporting leg, the height of supporting leg is less than the height of tight pulley, the chassis top sets up a supporting cylinder, the supporting cylinder passes through the link and vertically fixes in the middle part of chassis, the middle part of supporting cylinder leaves a through-hole of taking the internal thread, threaded connection double-screw bolt in the through-hole of supporting cylinder, the middle part of double-screw bolt is equipped with the centre bore that link up from top to bottom, peg graft a support column in the centre bore of double-screw bolt, the upper end of support column is fixed and is set up a spacing platform, the fixed U-shaped seat that sets up upwards opens is set up on the spacing platform, set up a connecting sleeve periphery symmetry sets up two pillar supports in the open slot on two curb plates of U-shaped seat, the up end face of curb plate is fixed and is set up a apron, the pillar is pressed in the open slot, the centre bore of connecting sleeve is the through hole of a jack; the periphery of the stud is positioned on the upper end surface of the support cylinder and is in threaded connection with a locking nut, and the periphery of the support column is positioned on the lower end surface of the stud and is provided with a spring clamp.
During the use, insert the lever in the adapter sleeve from the body of rod end, the adapter sleeve can swing from top to bottom relative U-shaped seat, but the support column circumference rotation is relative double-screw bolt, is convenient for to the moving of the construction quick materials of different positions, and the double-screw bolt is screw thread fit with a support section of thick bamboo, not hard up lock nut, through the position height of the adjustable U-shaped seat of double-screw bolt, the convenient use of different length levers. According to the invention, a cushion is not required to be additionally found, the working efficiency is improved, the pry bar can move forwards and backwards relative to the connecting sleeve, after the construction lump material is pryed by using the pry bar, the underframe can be pushed, the supporting point can move forwards, so that labor is saved when the material is pryed, the pry bar can be pushed forwards, the pry bar can gradually penetrate into the lower bottom surface of the lump material, and the contact area between the pry bar and the construction lump material is increased.
A process hole is formed in the upper side wall of the connecting sleeve, a key groove is reserved in the inner side wall of the lower end of the connecting sleeve, a flat key is fixedly arranged in the key groove, the process hole is correspondingly arranged up and down with the key groove, a strip-shaped notch matched with the width of the flat key is formed in the lower side face of the pry bar along the length direction, the pry bar penetrates through the connecting sleeve along the direction of the key groove through the strip-shaped notch, and when the pry bar is in operation, the pry bar can be prevented from rotating circumferentially.
The crow bar comprises a bar body and a working head, wherein the front end of the bar body is provided with a connecting groove, and the rear end of the working head is connected with the connecting groove of the bar body in a matching way. The rod body and the working head are of two-body structures, so that the pry bar is convenient to insert into the connecting sleeve, and meanwhile, the working heads of different models can be replaced conveniently.
The upper side wall of the connecting sleeve is fixedly provided with a spring pin, the lever body of the pry bar is provided with a plurality of arc grooves along the length direction, the pin shaft head of the spring pin is propped against the arc grooves, one side of the spring pin is provided with an L-shaped folded plate, the vertical end of the L-shaped folded plate is fixedly connected with the connecting sleeve, the horizontal section of the L-shaped folded plate is provided with a hand brake wire penetrating hole, the tail end of the pry bar is connected with a hand brake, and the brake wire of the hand brake is connected with the upper end of the spring pin through the hand brake wire penetrating hole.
The position of the pry bar in the connecting sleeve is adjustable and is locked through the spring pin, when the pry bar is used, the hand brake is held downwards, the pin shaft head in the spring pin is lifted, the position of the pry bar in the connecting sleeve can be moved forwards and backwards, the hand brake is loosened, the spring pin on the connecting sleeve abuts against the arc-shaped groove on the pry bar, the position of the pry bar is locked, and the phenomenon that the pry bar slides relative to the underframe can not occur when the object block is pried.
The lifting wheel comprises a fixed cylinder with upper and lower ends open, the outer side wall of the fixed cylinder is fixedly connected with the bottom frame, a lifting rod is arranged in the fixed cylinder, the lifting rod is a stepped rod with a thin upper end and a thick lower end, an upper sealing cover and a lower sealing cover are respectively connected with the upper end and the lower end of the fixed cylinder in a screwed mode, lifting rod penetrating holes are reserved in the middle portions of the upper sealing cover and the lower sealing cover, a pressure spring is sleeved on the thin rod section of the lifting rod, two ends of the pressure spring respectively support against the lower end face of the upper sealing cover and the stepped face of the lifting rod, a limit bolt is connected with one end of the thin rod end of the lifting rod, which upwards penetrates out of the upper sealing cover, in a screwed mode, of the thick rod end of the lifting rod downwards penetrates out of the lower sealing cover and is connected with a universal wheel in a screwed mode. At ordinary times, the lower bottom surfaces of the lifting wheel and the fixed wheel are tangent to the horizontal plane, when the crow bar is pressed down, the lifting wheel moves upwards relative to the supporting legs, the supporting legs are in contact with the ground, and the underframe can be prevented from sliding in the pressing down process.
When the invention is used for prying up construction lump materials, a cushion can be avoided, and the pry bar can move back and forth relative to the connecting sleeve; after the construction lump materials are pried by using the pry bar, the underframe can be pushed to enable the supporting point to move forwards, the labor intensity is reduced, the pry bar can be pushed forwards as required, the pry bar gradually penetrates into the lower part of a prized object, the contact area between the pry bar and the prized object is increased, the labor is saved conveniently, the working efficiency is improved, the lifting wheel is designed, and the underframe can be prevented from sliding in the pressing process; the invention can pry the construction block longitudinally, can pry the construction block transversely or rotate to a proper angle according to road conditions, changes the supporting point of the pry bar according to the shape and the weight of the pry block, and can accelerate the construction progress.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic view of the structural connection of the pry bar to the connecting sleeve;
FIG. 4 is a schematic illustration of the structural connection of a support cylinder to a support column;
fig. 5 is a k-way view of fig. 4.
In the figure: 1. the hydraulic jack comprises a fixed wheel, a bottom frame, a supporting cylinder, a connecting frame, a lifting wheel, a lifting cover, a lifting rod, a fixed cylinder, a lower cover, a universal wheel, a prying bar, a rod body, a working head, a stud, a supporting column, a U-shaped seat, a connecting sleeve, a locking nut, a flat key, a bar-shaped notch, a spring pin, a curved groove, a L-shaped folded plate, a handle gate, a brake wire, a supporting leg, a spring clip, a cover plate and a supporting column.
Detailed Description
Referring to fig. 1-5, a construction lump material prying device comprises a bottom frame 3, the bottom frame 3 is in a trapezoid shape with a narrow front and a wide rear, two fixing wheels 1 are arranged on the lower side of the front end of the bottom frame 3, two lifting wheels 6 are arranged on the rear end of the bottom frame 3, supporting legs 20 are arranged on the lower side of the bottom frame close to the lifting wheels 6, the heights of the supporting legs 20 are lower than those of the fixing wheels 1, a supporting cylinder 4 is arranged above the bottom frame 3, the supporting cylinder 4 is vertically fixed in the middle of the bottom frame 3 through a connecting frame 5, a through hole with internal threads is reserved in the middle of the supporting cylinder 4, a stud 8 is connected in the through hole of the supporting cylinder 4 in a threaded manner, a central hole penetrating up and down is formed in the middle of the stud 8, a supporting column 9 is inserted in the central hole of the stud 8, a limiting table is fixedly arranged at the upper end of the supporting column 9, an upward opening U-shaped seat 10 is fixedly arranged on the limiting table, a connecting sleeve 11 is arranged in the U-shaped seat 10, two connecting sleeves 11 are respectively arranged on two connecting sleeves 11 in the side plates in the peripheral surface symmetry, two supporting columns 23 are arranged in the opening grooves, the upper end faces of the side plates are vertically fixed, a cover plate 22 is fixedly arranged on the upper end faces of the side plates and the connecting sleeve 22 and the connecting sleeve 11 are in a manner of being connected with the U-shaped seat 11 in a mode, and the mode that the connecting sleeve 11 is capable of penetrating through the two connecting sleeves 11 and the jack holes are rotatably arranged in a mode, and the jack hole 11 are rotatably and can pass through the jack hole 11.
The periphery of the stud 8 is positioned on the upper end surface of the support cylinder 4 and is in threaded connection with a locking nut 12, and a spring clamp 21 is arranged on the periphery of the support column 9 on the lower end surface of the stud 8; a process hole is formed in the upper side wall of the connecting sleeve 11, a key groove is reserved in the inner side wall of the lower end of the connecting sleeve 11, a flat key 13 is fixedly arranged in the key groove, the process hole is correspondingly arranged up and down with the key groove, a strip-shaped notch 14 matched with the width of the flat key 13 is formed in the lower side face of the pry bar 7 along the length direction, the pry bar 7 penetrates through the strip-shaped notch 14 in the connecting sleeve 11 along the direction of the key groove, the pry bar 7 comprises a rod body 71 and a working head 72, a connecting groove is formed in the front end of the rod body 71, and the rear end of the working head 72 is connected with the connecting groove of the rod body in a matched mode.
The upper side wall of the connecting sleeve 11 is fixedly provided with a spring pin 15, a rod body of the pry bar 7 is provided with a plurality of arc-shaped grooves 16 along the length direction, pin heads of the spring pin 15 are propped against the arc-shaped grooves 16, one side of the spring pin 15 is provided with an L-shaped folded plate 17, the vertical end of the L-shaped folded plate 17 is fixedly connected with the connecting sleeve 11, the horizontal section of the L-shaped folded plate 17 is provided with a hand brake wire penetrating hole, the tail end of the pry bar 7 is connected with a hand brake 18, a brake wire 19 of the hand brake 18 is connected to the upper end of the spring pin 15 through the hand brake wire penetrating hole, the hand brake 18 and the brake wire 19 are existing products and can be composed of hand brakes on bicycles, and Hebei province daily rising and pulling limited companies sell the products.
The lifting wheel 6 comprises a fixed cylinder 63 with two open ends, the outer side wall of the fixed cylinder 63 is fixedly connected with the bottom frame 3, a lifting rod 62 is arranged in the fixed cylinder 63, the lifting rod 62 is a stepped rod with a thin upper end and a thick lower end, an upper sealing cover 61 and a lower sealing cover 64 are respectively connected with the upper end and the lower end of the fixed cylinder 63 in a screwed mode at the open positions, lifting rod penetrating holes are reserved in the middle portions of the upper sealing cover 61 and the lower sealing cover 64, a pressure spring is sleeved on a thin rod section of the lifting rod 62, two ends of the pressure spring respectively support against the lower end face of the upper sealing cover and the stepped face of the lifting rod 62, one end of the thin rod end of the lifting rod 62, which upwards penetrates out of the upper sealing cover 61, is connected with a limit bolt in a screwed mode, and the thick rod end of the lifting rod 62 downwards penetrates out of the lower sealing cover 64 and is connected with a universal wheel 65 in a screwed mode.
When the invention is used for prying up construction blocks, a cushion can be avoided, the pry bar 7 can move back and forth relative to the connecting sleeve 11, after the construction blocks are pryed up by the pry bar 7, the underframe can be pushed to move forward to ensure that a supporting point is moved forward, so that labor is saved when the materials are pryed up, the pry bar 7 can be pushed forward as required to gradually penetrate into the lower part of the pryed object, the contact area between the pry bar 7 and the pry object is increased, the labor is saved, the working efficiency is improved, the lifting wheel 6 is designed to prevent the underframe 3 from sliding in the pressing process.