CN209957222U - Single-turn-arm lifting appliance - Google Patents
Single-turn-arm lifting appliance Download PDFInfo
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- CN209957222U CN209957222U CN201920452662.0U CN201920452662U CN209957222U CN 209957222 U CN209957222 U CN 209957222U CN 201920452662 U CN201920452662 U CN 201920452662U CN 209957222 U CN209957222 U CN 209957222U
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Abstract
The utility model discloses a single gyration arm hoist, including the davit, hoist mechanism and gyration arm mechanism, the upper end of davit is rotated and is connected in gyration arm mechanism, gyration arm mechanism installs on the fly leaf, the fly leaf slides from top to bottom along hoist mechanism, it reciprocates to drive davit and gyration arm mechanism, gyration arm mechanism includes revolving cylinder, the torsion shaft, decide a section of thick bamboo, revolving cylinder and rotary drum bottom, revolving cylinder is fixed in the fly leaf lower part, the external flange joint torsion shaft in revolving cylinder below, decide a section of thick bamboo and cup joint in the torsion shaft outside, the revolving drum cup joints in deciding a section of thick bamboo outside, torsion shaft lower extreme fixed connection rotary drum bottom, rotary drum bottom fixed connection is in the revolving drum, revolving cylinder outside fixed connection davit, the moment of torsion of cylinder loops through the torsion shaft, rotary drum bottom and. The novel suspension arm can rotate left and right from the middle position, the working area is reduced compared with the traditional fixed L-shaped lifting appliance, and materials can be taken from two sides; is suitable for being used in the occasions with narrow passages among materials.
Description
Technical Field
The utility model discloses a single gyration arm hoist relates to mechanical equipment technical field.
Background
The steel pipe hoisting is a common material moving mode in a steel pipe factory, the steel pipe is large in size range (the length is 3 meters and ~ 19 meters, and the diameter is 45 millimeters and ~ 220 millimeters), a common steel pipe hoisting method is a hoisting tool with simple matching of a steel wire hoist, the efficiency is low, the labor consumption is high, the intelligentization cannot be realized, the target of building a novel intelligent workshop and a subsequent planned MES system is not met, the intelligent steel pipe hoisting in the existing steel pipe production workshop is realized, particularly, the hoisting system occupies a large space, is difficult to manufacture and has high maintenance cost on the occasion that a channel between pipe containing racks is narrow, a novel rotary single-rotating arm is needed, the space of the form part of the single-rotating arm is saved compared with that of a fixed single-L-shaped arm, meanwhile, the structure of the rotary single-rotating arm is relatively simple compared with that of a double.
SUMMERY OF THE UTILITY MODEL
This novel defect to among the above-mentioned background art provides a single gyration arm hoist, can improve the utilization ratio in workshop space, and can realize simultaneously that the steel pipe promotes the box and puts down.
In order to realize the purpose, the technical scheme adopted by the novel method is as follows: a single-turn-arm lifting appliance comprises a lifting arm, a lifting mechanism and a turn-arm mechanism, wherein the upper end of the lifting arm is rotatably connected to the turn-arm mechanism, the turn-arm mechanism is arranged on a movable plate, the movable plate slides up and down along the lifting mechanism to drive the lifting arm and the turn-arm mechanism to move up and down, the turn-arm mechanism comprises a turn cylinder, a torsion shaft, a fixed cylinder, a turn cylinder and a turn cylinder bottom cover, the turn cylinder, the torsion shaft, the fixed cylinder, the turn cylinder and the turn cylinder bottom cover are coaxially designed, the turn cylinder is fixed at the lower part of the movable plate, the lower part of the turn cylinder is fixed on a supporting plate, a flange is externally connected below the turn cylinder to connect the torsion shaft, the fixed cylinder is sleeved outside the torsion shaft, the turn cylinder is sleeved outside the fixed cylinder, the lower end of the torsion shaft is fixedly connected with the turn, the torque of the rotary air cylinder is transmitted to the suspension arm sequentially through the torsion shaft, the rotary drum bottom cover and the rotary shaft, and the length direction of the movable plate is perpendicular to the middle position direction of the suspension arm.
Furthermore, the lifting mechanism comprises a screw rod and a servo motor, the lower end of the screw rod is connected with the movable plate, a bearing is arranged between the screw rod and the movable plate, the servo motor is connected with the screw rod, the servo motor controls the up-down movement of the screw rod, the upper portion of the screw rod is provided with a sleeve, the sleeve is fixedly connected to the lifting box, and when the screw rod ascends, the screw rod shrinks in the sleeve.
Further, evenly set up the guide bar around the lead screw, the lower extreme of guide bar rotates to be connected on the fly leaf, promote the box is passed to the upper end of guide bar, servo motor is fixed in on promoting the box, the lead screw sets up the central authorities at the fly leaf, the guide bar is provided with four, and evenly distributed is in four corners of fly leaf, and the upper portion of promoting the box sets up the mounting panel for the position of fixed whole device.
The first positioning mechanism is arranged on the supporting plate and comprises a collision block arranged on the side surface of the external flange and two oil pressure buffers fixed on the supporting plate, the direction of the collision block is consistent with that of the suspension arm, the two oil pressure buffers are arranged on two sides of the collision block, and the collision block is limited by the oil pressure buffers on the two sides along with the left-right rotation angle of the external flange; when the suspension arm turns left to a left station or turns right to a right station, the collision block firstly collides with the oil buffer to decelerate; meanwhile, the position of the rotating arm at the left (or right) station can be stable and unchanged by matching with the check valve on the air path.
The second positioning mechanism comprises a first U-shaped positioning plate, a second U-shaped positioning plate and two groups of bolt mechanisms, the first U-shaped positioning plate is fixed on the upper side of the suspension arm, the second U-shaped positioning plate is fixed on the lower side of the supporting plate, the bolt mechanisms are fixed on the movable plate, each bolt mechanism comprises a bolt cylinder, the bottom of each bolt cylinder is connected with an L-shaped bolt plate, the first U-shaped positioning plate and the second U-shaped positioning plate are arranged oppositely, the L-shaped bolts are used for limiting the positions of side plates on the upper portion of the first U-shaped positioning plate in U-shaped grooves of the second U-shaped positioning plate, when the suspension arm moves from a left station to a middle position, the left bolt mechanism does not work, the right bolt mechanism works, the right bolt cylinder downwards pushes the L-shaped bolt plate, and the L-shaped bolt plate downwards moves to close a; when the suspension arm moves from the right station to the middle position, the right side bolt mechanism does not work, the left side bolt mechanism works, the left side bolt air cylinder pushes the L-shaped bolt plate downwards, and the L-shaped bolt plate moves downwards to close a path of the first U-shaped positioning plate moving towards the left station.
Furthermore, the davit is the U type and colludes the form, the U type opening direction of davit is unanimous with first U type locating plate U type opening direction.
Further, a thrust bearing is arranged between the fixed cylinder and the rotary cylinder.
Furthermore, a square hole is formed in the bottom cover of the rotary drum, the lower portion of the torsion shaft is square, and the square hole is connected with the lower portion of the torsion shaft.
Has the advantages that: 1. the gravity center of the novel workpiece is positioned at the geometric center of the loading surface of the suspension arm and is also the position of an external flange of the lifting mechanism; the influence of unbalance loading on the structure of the elevator can be reduced as much as possible;
2 the suspension arm can rotate left and right from the middle position, so the working area is reduced compared with the traditional fixed L-shaped lifting appliance, and materials can be taken from two sides; is suitable for being used in the occasions with narrow passages among materials.
Drawings
FIG. 1 is a schematic diagram of the novel structure;
fig. 2 is a cross-sectional view of the new spreader;
FIG. 3 is a cross-sectional view of a first positioning mechanism of the present invention;
FIG. 4 is a schematic diagram of a state that the novel suspension arm is about to turn to a neutral position;
FIG. 5 is a schematic diagram of the novel suspension arm turning to the middle position and keeping the locking state;
FIG. 6 is a schematic diagram of the left-turning state of the novel suspension arm;
fig. 7 is a schematic diagram of the state that the novel suspension arm turns right.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solution of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 ~ 3, according to an embodiment of the present invention, the present invention provides a single slewing arm spreader, which includes a boom 1, a lifting mechanism 2 and a slewing arm mechanism 3, wherein an upper end of the boom 1 is rotatably connected to the slewing arm mechanism 3, the slewing arm mechanism 3 is mounted on a movable plate 4, the movable plate 4 slides up and down along the lifting mechanism 2 to drive the boom 1 and the slewing arm mechanism 3 to move up and down, the slewing arm mechanism 3 includes a slewing cylinder 31, a torsion shaft 32, a fixed cylinder 33, a slewing cylinder 34 and a drum bottom cover 35, the slewing cylinder 31, the torsion shaft 32, the fixed cylinder 33, the slewing cylinder 34 and the drum bottom cover 35 are coaxially designed, the slewing cylinder 31 is fixed to a lower portion of the movable plate 4, a lower portion of the slewing cylinder 31 is fixed to a supporting plate 5, the supporting plate 5 is fixedly connected to the movable plate, a lower portion of the slewing cylinder 31 is connected to the torsion shaft 32 through an external flange, the fixed cylinder 33 is sleeved to an outer side of the torsion shaft 32, the slewing cylinder 34 is sleeved to an outer side of the torsion shaft 33, a lower portion of the fixed to an outer side of the fixed cylinder 33, a lower end of the torsion shaft is fixedly connected to a length of the slewing cylinder 35, the torsion shaft 35 is connected to an outer side of the slewing cylinder 34.
The lifting mechanism 2 comprises a screw rod 21 and a servo motor, the lower end of the screw rod 21 is rotatably connected with the movable plate 4, a bearing is arranged between the screw rod and the movable plate 4, the servo motor is connected with the screw rod 21, the servo motor controls the up-down movement of the screw rod 21, a sleeve 22 is arranged on the upper portion of the screw rod 21, the sleeve 22 is fixedly connected onto a lifting box 24, and when the screw rod 21 ascends, the screw rod 21 is contracted in the sleeve 22.
Evenly set up guide bar 23 around the lead screw 21, the lower extreme of guide bar 23 is connected on fly leaf 4, promote box 24 is passed to the upper end of guide bar 23, servo motor is fixed in on promoting box 24, lead screw 21 sets up the central authorities at fly leaf 4, guide bar 23 is provided with four, and evenly distributed is in four corners of fly leaf 4, and the upper portion that promotes the box sets up the mounting panel for the position of fixed whole device.
The lifting device is characterized by further comprising a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism is installed on the supporting plate 5 and comprises a collision block 62 arranged on the side face of the external flange and two oil pressure buffers 61 fixed on the supporting plate 5, the direction of the collision block 62 is consistent with that of the lifting arm 1, the two oil pressure buffers 61 are arranged on two sides of the collision block 62, and the collision block 62 is limited by the oil pressure buffers 61 on the two sides along with the left-right rotation angle of the external flange; when the suspension arm 1 turns left to a left station or turns right to a right station, the collision block 62 firstly collides with the oil buffer 61 to decelerate; meanwhile, the position of the rotating arm at the left (or right) station can be stable and unchanged by matching with the check valve on the air path.
The second positioning mechanism comprises a first U-shaped positioning plate 71, a second U-shaped positioning plate 72 and two groups of bolt mechanisms, the first U-shaped positioning plate is fixed at the upper side of the suspension arm 1, the second U-shaped positioning plate 72 is fixed at the lower side of the supporting plate 5, the bolt mechanism is fixed on the movable plate 4 and comprises a bolt cylinder 73, the bottom of the bolt cylinder 73 is connected with an L-shaped bolt plate 74, the first U-shaped positioning plate 71 and the second U-shaped positioning plate 72 are oppositely arranged, the L-shaped bolt is used for limiting the position of the upper side plate of the first U-shaped positioning plate 71 in the U-shaped groove of the second U-shaped positioning plate 72, when the suspension arm 1 moves from the left station to the middle station, the left side bolt mechanism does not work, the right side bolt mechanism works, the right side bolt air cylinder 73 downwards pushes the L-shaped bolt plate 74, and the L-shaped bolt plate 74 moves downwards to close a path of the first U-shaped positioning plate 71 moving to the right station; when the suspension arm 1 moves from the right station to the middle station, the right side bolt mechanism does not work, the left side bolt mechanism works, the left side bolt air cylinder 73 downwards pushes the L-shaped bolt plate 74, the L-shaped bolt plate 74 downwards moves to close a path of the first U-shaped positioning plate 71 moving towards the left station, the function of preventing the backspacing of the L-shaped bolt plate is realized by the check valve on the air path, even if the air path fails, the rotary air cylinder 31 can maintain pressure, and the suspension arm 1 cannot backspace.
The suspension arm 1 is in a U-shaped hook shape, and the U-shaped opening direction of the suspension arm 1 is consistent with the U-shaped opening direction of the first U-shaped positioning plate 71.
A thrust bearing 36 is provided between the fixed cylinder 33 and the rotary cylinder 34.
The bottom cover 35 is provided with a square hole, the lower part of the torsion shaft 32 is square, and the square hole is connected with the lower part of the torsion shaft 32.
As shown in fig. 4, the boom 1 is about to turn from the left side to the neutral position; the bolt at the head-on side is in a plug-in state, the first U-shaped positioning plate 71 at the upper end of the suspension arm 1 firstly touches a buffer at the side surface of the bolt mechanism and then starts to decelerate; finally, as shown in FIG. 5, stop at the MEDIUM position; the reversing valve of the rotary cylinder 31 is in a middle sealing state, and the check valves of the two cavities of the rotary cylinder ensure that the angle of the rotary cylinder can still be locked even if the air pressure falls down, so that the suspension arm 1 is ensured not to rotate.
As shown in fig. 6, the suspension arm 1 is turned to the left station, at this time, 2 ~ 4 suspension arms 1 are already stretched under the pipe of the left material rack, ready to be lifted, and lift a row of pipe materials;
as shown in fig. 7, the suspension arm 1 is turned to the right station state, at this time, 2 ~ 4 suspension arms 1 are already stretched under the pipe of the left material rack to be lifted and lift a row of pipe materials, and the process of descending and discharging is similar;
the lifting box of the whole lifting appliance descends by means of a lead screw lifting mechanism, the driving force for the rotation of the suspension arm comes from a rotary cylinder with oil pressure buffering, a torsion shaft transmits the torque of the cylinder to a bottom cover of a rotary drum with a square hole to rotate the rotary drum, and the suspension arm is tightly held and fixed on the rotary drum; the weight of the workpiece and the downward force and the overturning force generated by the self weight of the suspension arm are born by a thrust bearing with large diameter and a self-lubricating shaft sleeve between the rotary cylinder and the fixed cylinder; the middle position of the suspension arm is stopped by a pair of bolt air cylinder assemblies, when double bolts on the assemblies are inserted, a buffer arranged on an L-shaped bolt plate absorbs the rotary impact energy of the suspension arm, and when the suspension arm leans against the double bolts, the suspension arm is subjected to the built-in buffer action of a rotary cylinder, so that the speed and the energy at the moment are very small; check valves in two cavities of the rotary cylinder ensure that the suspension arm still stays at the middle position even if the air pressure falls.
The gravity center of the novel workpiece is positioned at the geometric center of the loading surface of the suspension arm and is also the position of an external flange of the lifting mechanism; the influence of unbalance loading on the structure of the elevator can be reduced as much as possible;
the suspension arm can rotate left and right from the middle position, so that the working area is reduced compared with the traditional fixed L-shaped lifting appliance, and materials can be taken from two sides; is suitable for being used in the occasions with narrow passages among materials.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A single-turn-arm lifting appliance is characterized by comprising a lifting arm, a lifting mechanism and a turn arm mechanism, wherein the upper end of the lifting arm is rotatably connected to the turn arm mechanism, the turn arm mechanism is arranged on a movable plate, the movable plate slides up and down along the lifting mechanism to drive the lifting arm and the turn arm mechanism to move up and down, the turn arm mechanism comprises a turn cylinder, a torsion shaft, a fixed cylinder, a turn cylinder and a turn cylinder bottom cover, the turn cylinder, the torsion shaft, the fixed cylinder, the turn cylinder and the turn cylinder bottom cover are coaxially designed, the turn cylinder is fixed at the lower part of the movable plate, the lower part of the turn cylinder is fixed on a supporting plate, a flange is externally connected below the turn cylinder and connected with the torsion shaft, the fixed cylinder is sleeved outside the torsion shaft, the turn cylinder is sleeved outside the fixed cylinder, the lower end of the torsion, the outer side of the rotary cylinder is fixedly connected with a suspension arm, and the torque of the rotary cylinder is transmitted to the suspension arm sequentially through the torsion shaft, the bottom cover of the rotary cylinder and the rotary shaft.
2. The single swivel arm lifting appliance according to claim 1, wherein the lifting mechanism comprises a screw rod and a servo motor, the lower end of the screw rod is rotatably connected with the movable plate, the servo motor is connected with the screw rod, and the servo motor controls the screw rod to move up and down.
3. The single swivel arm lifting tool according to claim 2, wherein guide rods are uniformly arranged around the screw rod, the lower ends of the guide rods are connected to the movable plate, the upper ends of the guide rods penetrate through the lifting box, and the servo motor is fixed on the lifting box.
4. The single swivel arm lifting appliance according to claim 1, further comprising a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism is mounted on the supporting plate, the first positioning mechanism comprises a collision block arranged on the side surface of the external flange and two oil pressure buffers fixed on the supporting plate, the direction of the collision block is consistent with that of the lifting arm, the two oil pressure buffers are arranged on two sides of the collision block, and the collision block is clamped by the oil pressure buffers on the two sides along with the left-right rotation of the external flange;
the second positioning mechanism comprises a first U-shaped positioning plate, a second U-shaped positioning plate and two sets of bolt mechanisms, the first U-shaped positioning plate is fixed on the upper side of the suspension arm, the second U-shaped positioning plate is fixed on the lower side of the supporting plate, the bolt mechanisms are fixed on the movable plate, each bolt mechanism comprises a bolt cylinder, the bottom of each bolt cylinder is connected with an L-shaped bolt plate, the first U-shaped positioning plate and the second U-shaped positioning plate are arranged oppositely, and the L-shaped bolts are used for limiting the positions of the upper side plates of the first U-shaped positioning plate in the U-shaped grooves of the second U-shaped positioning plate.
5. The single swivel arm spreader of claim 4, wherein the suspension arm is in a U-shaped hook shape, and the U-shaped opening direction of the suspension arm is the same as the U-shaped opening direction of the first U-shaped positioning plate.
6. The single swivel arm spreader of claim 1, wherein a thrust bearing is provided between the stationary drum and the rotary drum.
7. The single swivel arm hanger of claim 1, wherein a square hole is formed in the bottom cover of the swivel, the lower portion of the torsion shaft is square, and the square hole is connected with the lower portion of the torsion shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920452662.0U CN209957222U (en) | 2019-04-04 | 2019-04-04 | Single-turn-arm lifting appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920452662.0U CN209957222U (en) | 2019-04-04 | 2019-04-04 | Single-turn-arm lifting appliance |
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| Publication Number | Publication Date |
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| CN209957222U true CN209957222U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920452662.0U Active CN209957222U (en) | 2019-04-04 | 2019-04-04 | Single-turn-arm lifting appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585579A (en) * | 2024-01-19 | 2024-02-23 | 成都龙科重型机械制造有限公司 | New energy big battery pack installation equipment in final assembly workshop |
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2019
- 2019-04-04 CN CN201920452662.0U patent/CN209957222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585579A (en) * | 2024-01-19 | 2024-02-23 | 成都龙科重型机械制造有限公司 | New energy big battery pack installation equipment in final assembly workshop |
| CN117585579B (en) * | 2024-01-19 | 2024-04-05 | 成都龙科重型机械制造有限公司 | New energy big battery pack installation equipment in final assembly workshop |
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