Portal frame
Technical Field
The application relates to the technical field of a portal frame, in particular to a portal frame.
Background
The portal frame is a portal frame for vertically transporting materials and small-sized components, and consists of two upright posts and a cross beam. The lifting machine is suitable for manufacturing moulds, steam repair factories, mines, civil construction sites and occasions needing lifting, and is used as material transportation and up-down use of constructors in common building construction, so that lifting mechanization is realized.
The portal frame structure with the height adjusting function, which is mentioned in the prior China publication (issued bulletin number: CN 219771581U), can drive the lifting seat and the guide lifting rod to lift by utilizing the lifting screw rod by controlling the first driving motor, thereby realizing the rapid adjustment of the using height of the I-shaped supporting beam, not only facilitating the rapid adjustment of a user, but also ensuring the transportation efficiency.
When carrying out portal frame hoist and mount, can pull up the material and transport now, but because the material has certain weight, along with the rise of height, the focus position can shift up gradually, leads to the portal frame to bear in hoist and mount the gravity uneven distribution of in-process for holistic focus also can change, probably leads to the portal frame to appear unstable phenomenon in hoist and mount in-process.
Disclosure of utility model
The application aims to solve the problem that the gravity center position gradually moves upwards along with the rise of the height, so that the gravity borne by a portal frame in the hoisting process is unevenly distributed.
The application adopts the following technical scheme for realizing the purposes:
The utility model provides a portal frame, is including being two supporting seats that the symmetry set up, the bottom of supporting seat rotates and is provided with the gyro wheel, the top fixedly connected with bracing piece first of supporting seat, the inside sliding connection of bracing piece first has bracing piece second, the top fixedly connected with back timber of bracing piece second, the bottom sliding connection of back timber has grabbing device, one side fixedly connected with control panel of bracing piece first, control panel and grabbing device electric connection, the both ends inside of supporting seat is provided with strengthening mechanism, the inside of bracing piece first is provided with elevating system.
Through adopting above-mentioned technical scheme, promote the supporting seat at first for the back timber removes the top to the material, makes grabbing device hoist and mount operation to the material through starting control panel afterwards, when according to the size of different materials, can make the height of roof beam adjust through elevating system, forms the support to the portal frame bottom great area through the reinforcement mechanism, reduces rocking and unstable factor in the hoist and mount process.
Further, strengthening mechanism is including seting up the rotation groove at the inside both ends of supporting seat, the inside both sides in rotation groove are provided with the dwang, the dwang rotates with the rotation groove to be connected, the top threaded connection of dwang has threaded rod one, the bottom of threaded rod one runs through the dwang and rotates and be connected with the reinforcement piece, the top fixedly connected with handle of threaded rod.
Through adopting above-mentioned technical scheme for both sides dwang is kept away from each other through rotating the dwang of supporting seat inside, drives threaded rod one through rotating the handle and rotates this moment, through threaded rod one with dwang threaded connection, makes threaded rod one rotate back downstream, and threaded rod one downstream drives the reinforcing block downstream, makes reinforcing block and ground firm butt, and the firm butt of reinforcing block and ground can reduce rocking and unstable factor in the hoist and mount process.
Further, the bottom of strengthening piece is equidistance fixedly connected with a plurality of fixture block, the bottom of fixture block sets up to the toper.
Through adopting above-mentioned technical scheme, the clamping block can improve the frictional force of strengthening piece and ground for stability is higher when hoist and mount.
Further, the top fixedly connected with auxiliary rod of reinforcement piece, the dwang is run through on the top of auxiliary rod, auxiliary rod and dwang sliding connection.
Through adopting above-mentioned technical scheme, through auxiliary rod and dwang sliding connection, the auxiliary rod provides extra strong point for the reinforcement piece.
Further, elevating system is including seting up the cavity in one side bracing piece one inside, the inside rotation of cavity is provided with threaded rod two, the screw thread groove has been seted up to the inside of bracing piece two, threaded rod two and screw thread groove threaded connection, one side of bracing piece one is provided with the driving piece.
Through adopting above-mentioned technical scheme, drive the threaded rod of way through the driving piece and rotate, through threaded rod and thread groove threaded connection for bracing piece two removes, and the bracing piece moves the back drive back timber and remove, thereby realizes the position control of back timber, can adjust grabbing device's position according to the hoist and mount demand of difference.
Further, the driving piece includes the mount pad of fixed connection in bracing piece one side, the top fixedly connected with rotating electrical machines of mount pad, the output of rotating electrical machines runs through bracing piece and is fixedly connected with gear two in the lump, the output and the bracing piece rotation of rotating electrical machines are connected, one side meshing of gear two is connected with gear one, gear one is fixed with threaded rod two, the bottom rotation of gear one is connected with the rotation seat, the bottom and the interior bottom fixed connection of cavity of rotation seat.
Through adopting above-mentioned technical scheme, start rotating electrical machines through control panel, rotating electrical machines's start-up can drive gear two and rotate, and gear two is connected with gear one meshing, consequently when gear two rotates, can drive gear one and rotate for gear one rotates the top of seat, and gear one's top and threaded rod two fixed connection, makes threaded rod two rotate.
Further, the rectangular hole has been seted up to the one side that the bracing piece is first each other that the both sides the one side that the bracing piece is second each other is close to is fixedly connected with slider, slider and rectangular hole sliding connection, the slider sets up to the T shape.
Through adopting above-mentioned technical scheme, through slider and rectangular hole sliding connection, slider and rectangular hole provide the guide effect for bracing piece two.
Further, the reinforcing rods are fixedly connected to two sides of the first supporting rod, one end, away from the first supporting rod, of each reinforcing rod is fixedly connected with the supporting seat, and each reinforcing rod is inclined.
Through adopting above-mentioned technical scheme, can support for bracing piece one through the stiffening rod, provide extra support and stabilization for bracing piece one.
In summary, the present application includes at least one of the following advantages;
1. According to the application, when the grabbing device lifts materials, the rotating rods in the supporting seat are rotated to enable the rotating rods at two sides to be far away from each other, and then the rotating handle is used for driving the first threaded rod to rotate, so that the first threaded rod drives the reinforcing block to move downwards, the reinforcing block is firmly abutted to the ground, the firm abutment of the reinforcing block and the ground can reduce shaking and unstable factors in the lifting process, smooth lifting operation is ensured, and therefore a safe and reliable lifting environment is provided, and the working efficiency and safety are improved.
2. According to the application, when different hoisting demands are met, the rotating motor is started through the control panel, the rotating motor drives the gear II to rotate, the gear II drives the gear I to rotate, the gear I rotates to enable the threaded rod II to rotate, the support rod II is in threaded connection with the threaded groove through the threaded rod II, the support rod II moves, and the support rod II drives the top beam to move after moving, so that the position of the grabbing device is adjusted according to the different hoisting demands, greater flexibility and adaptability are provided, the efficiency and accuracy of hoisting operation can be improved, and the demands of various hoisting demands are met.
Drawings
FIG. 1 is a first perspective view of a gantry in accordance with the present application;
FIG. 2 is a schematic view of a second perspective structure of a gantry in the present application;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present application;
fig. 4 is a schematic view showing the internal perspective structure of the first and second support rods according to the present application.
Reference numerals illustrate:
1. The device comprises a supporting seat, a first supporting rod, a second supporting rod, a top beam, a 6, a grabbing device, a 7, a control panel, a 8, a rotating groove, a 9, a rotating rod, a 10, a first threaded rod, a 11, a reinforcing block, a 12, a handle, a 13, a clamping block, a 14, an auxiliary rod, a 15, a cavity, a 16, a mounting seat, a 17, a rotating motor, a 18, a rotating seat, a 19, a first gear, a 20, a second threaded rod, a 21, a threaded groove, a 22, a long hole, a 23, a sliding block, a 24 and a second gear.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a portal frame.
Referring to fig. 1 and 2, a portal frame comprises two supporting seats 1 which are symmetrically arranged, rollers are rotatably arranged at the bottoms of the supporting seats 1, a first supporting rod 2 is fixedly connected to the top of the supporting seat 1, a second supporting rod 4 is slidably connected to the inside of the first supporting rod 2, a top beam 5 is fixedly connected to the top end of the second supporting rod 4, a grabbing device 6 is slidably connected to the bottom of the top beam 5, and the grabbing device 6 is of the prior art and can adopt a winch type. One side of the first support rod 2 is fixedly connected with a control panel 7, the control panel 7 is electrically connected with the grabbing device 6, reinforcing mechanisms are arranged inside the two ends of the support base 1, and lifting mechanisms are arranged inside the first support rod 2.
When the lifting operation is needed, the supporting seat 1 is pushed first, the top beam 5 moves to the upper part of the material, then the gripping device 6 is enabled to lift the material by starting the control panel 7, when the lifting mechanism is used for adjusting the height of the top beam 5 according to the sizes of different materials, an operator can adjust the height of the top beam 5 according to the sizes and the weights of the materials so as to adapt to different lifting requirements, when the gripping device 6 is lifted, the supporting to the large area of the bottom of the portal frame is formed through the reinforcing mechanism, shaking and unstable factors in the lifting process are reduced, and the stability of the portal frame during operation is improved.
Referring to fig. 2 and 3, the strengthening mechanism is including seting up the rotation groove 8 at the inside both ends of supporting seat 1, and the inside both sides in rotation groove 8 are provided with dwang 9, and dwang 9 rotates with rotation groove 8 to be connected, and the top threaded connection of dwang 9 has threaded rod one 10, and the bottom of threaded rod one 10 runs through dwang 9 and rotates to be connected with strengthening block 11, and the top fixedly connected with handle 12 of threaded rod.
Wherein, the bottom of the reinforcing block 11 is equidistantly fixedly connected with a plurality of clamping blocks 13, and the bottom of the clamping blocks 13 is arranged to be conical.
In addition, the top fixedly connected with auxiliary rod 14 of reinforcement piece 11, the top of auxiliary rod 14 runs through dwang 9, auxiliary rod 14 and dwang 9 sliding connection.
When grabbing device 6 hoist and mount the material, through rotating the inside dwang 9 of supporting seat 1 for both sides dwang 9 keep away from each other, drive threaded rod one 10 through rotating handle 12 and rotate this moment, through threaded rod one 10 and dwang 9 threaded connection, make threaded rod one 10 rotate back downstream, threaded rod one 10 downstream drives the reinforcing block 11 downstream, make reinforcing block 11 firmly butt with ground, reinforcing block 11 can reduce rocking and unstable factor in the hoist and mount process with the firm butt on ground, ensure hoist and mount operation's smooth going on, thereby provide safe and reliable hoist and mount environment, improve work efficiency and security, when reinforcing block 11 firmly contradicts with ground, the frictional force through reinforcing block 11 is fixed with a plurality of fixture block 13 through reinforcing block 11 bottom, fixture block 13 can improve reinforcing block 11 and ground, make stability higher when hoist and mount, reinforcing block 11 is when moving, through auxiliary rod 14 and dwang 9 sliding connection, auxiliary rod 14 provides extra supporting point for reinforcing block 11, make reinforcing block 11 keep stability when moving.
Referring to fig. 1, 2 and 4, the lifting mechanism comprises a cavity 15 formed in a first side support rod 2, a second threaded rod 20 is rotatably arranged in the cavity 15, a threaded groove 21 is formed in a second support rod 4, the second threaded rod 20 is in threaded connection with the threaded groove 21, and a driving piece is arranged on one side of the first side support rod 2.
The driving piece comprises a mounting seat 16 fixedly connected to one side of a first supporting rod 2, a rotating motor 17 is fixedly connected to the top of the mounting seat 16, an output end of the rotating motor 17 penetrates through the first supporting rod 2 and is fixedly connected with a second gear 24, an output end of the rotating motor 17 is rotationally connected with the first supporting rod 2, one side of the second gear 24 is in meshed connection with a first gear 19, the first gear 19 is fixed with a second threaded rod 20, a rotating seat 18 is rotationally connected to the bottom of the first gear 19, and the bottom end of the rotating seat 18 is fixedly connected with the inner bottom wall of the cavity 15.
In addition, a long strip hole 22 is formed in one surface, close to each other, of the first support rods 2 on the two sides, a sliding block 23 is fixedly connected to one surface, close to each other, of the second support rods 4 on the two sides, the sliding block 23 is in sliding connection with the long strip hole 22, and the sliding block 23 is in a T shape.
When facing different hoisting demands, operating personnel can start rotating electrical machines 17 through control panel 7, the start of rotating electrical machines 17 can drive gear two 24 and rotate, gear two 24 and gear one 19 meshing are connected, therefore when gear two 24 rotates, can drive gear one 19 and rotate, make gear one 19 rotate at the top of rotating seat 18, and the top of gear one 19 and threaded rod two 20 fixed connection, make threaded rod two 20 rotate, make bracing piece two 4 remove through threaded rod two 20 and thread groove 21 threaded connection, and bracing piece two 4 drive back to remove back roof beam 5, thereby realize the position adjustment of roof beam 5, can adjust grabbing device 6's position according to different hoisting demands, provide greater flexibility and adaptability, can improve hoisting operation's efficiency and accuracy, satisfy the demand of various hoisting demands, when bracing piece two 4 moves in bracing piece one 2, through slider 23 and rectangular hole 22 sliding connection, slider 23 provides the guide effect for bracing piece two 4, make bracing piece two 4 keep right track when moving.
Referring to fig. 1, 2 and 4, reinforcing rods 3 are fixedly connected to two sides of the first support rod 2, one end, away from the first support rod 2, of the reinforcing rods 3 is fixedly connected with the support base 1, and the reinforcing rods 3 are inclined.
The first support rod 2 can be supported through the reinforcing rod 3, additional support and stabilization effect are provided for the first support rod 2, and shaking in the hoisting process is reduced.
When the hoisting operation is needed, the supporting seat 1 is pushed first, the top beam 5 moves to the upper side of the material, then the grabbing device 6 is started to hoist the material by starting the control panel 7, the rotating rods 9 in the supporting seat 1 are rotated, the rotating rods 9 on two sides are far away from each other, the first threaded rod 10 is driven to rotate by the rotating handle 12, the first threaded rod 10 is in threaded connection with the rotating rod 9, the first threaded rod 10 moves downwards after rotating, the first threaded rod 10 moves downwards to drive the reinforcing block 11 to move downwards, the reinforcing block 11 is firmly abutted to the ground, and shaking and unstable factors in the hoisting process can be reduced by firmly abutting the reinforcing block 11 to the ground.
The rotating motor 17 is started through the control panel 7, the rotating motor 17 is started to drive the gear II 24 to rotate, the gear II 24 is meshed with the gear I19, therefore, when the gear II 24 rotates, the gear I19 is driven to rotate, the gear I19 rotates at the top of the rotating seat 18, the top of the gear I19 is fixedly connected with the threaded rod II 20, the threaded rod II 20 rotates, the supporting rod II 4 moves through the threaded rod II 20 and the threaded groove 21, the supporting rod II 4 moves and then drives the top beam 5 to move, the position of the top beam 5 is adjusted, and the position of the grabbing device 6 can be adjusted according to different lifting requirements.