CN213505541U - Lifting appliance capable of eliminating horizontal deviation and resisting swinging - Google Patents
Lifting appliance capable of eliminating horizontal deviation and resisting swinging Download PDFInfo
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- CN213505541U CN213505541U CN202020447011.5U CN202020447011U CN213505541U CN 213505541 U CN213505541 U CN 213505541U CN 202020447011 U CN202020447011 U CN 202020447011U CN 213505541 U CN213505541 U CN 213505541U
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Abstract
The utility model belongs to the technical field of hoist and mount, concretely relates to can eliminate horizontal deviation, anti wobbling hoist. The utility model discloses an actuating mechanism and control system, wherein: the actuating mechanism comprises an upper lifting lug, an upper connecting piece, a lifting lug nut, a middle pull rod, an actuating hydraulic cylinder, a lower connecting piece, a lower connecting shaft, a counterweight block, a pin penetrating device, a counterweight box, a lower connecting plate, a lower connecting transverse plate and an electric cabinet fixing base; the control system comprises a motor, an electric cabinet, an X-direction oil inlet pipe, a Y-direction oil inlet pipe, an X-direction oil outlet pipe, a Y-direction oil outlet pipe, an input potentiometer, a subtracter, a power amplification module, a force motor, a regulating hydraulic valve, an overflow valve, a small-flow hydraulic pump, a back pressure valve, a pressure retaining valve, a reversing valve, a control hydraulic cylinder and an output potentiometer. The utility model discloses can carry out the initiative to the levelness deviation of hoist and mount thing and adjust, eliminate the levelness deviation of hoist and mount thing, can effectively solve the swing problem of hoist and mount thing in vertical direction simultaneously.
Description
Technical Field
The utility model belongs to the technical field of hoist and mount, concretely relates to can eliminate horizontal deviation, anti wobbling hoist.
Background
In the work of equipment assembly or maintenance, building construction and the like, large and heavy parts often need to be hoisted by equipment such as a crane and the like.
In the hoisting process, the hoisting object often inclines under the combined action of factors such as steel wire rope strain, movable/fixed pulley friction and the like, so that the problems of repeated manual inspection, repeated hoisting and the like are caused, the adverse effects such as personnel injury risks, reduction of working efficiency and the like are caused, and even hoisting accidents such as hoisting object falling, casualties and the like occur in severe conditions.
When a crane manufacturer provides equipment such as a crane, a crane manufacturer does not provide a lifting appliance capable of reducing or eliminating the levelness deviation of a lifted object, in the lifting process, the lifting appliance with a special mechanical mechanism is generally used for reducing the levelness deviation of the lifted object in the lifting process, but the lifting appliance can only passively reduce the levelness deviation of the lifted object, the reduction amount of the levelness deviation is limited, and meanwhile, the lifting appliance does not have an anti-swing function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the aforesaid is not enough and provide a can eliminate levelness deviation, anti wobbling hoist, can carry out the initiative to the levelness deviation of hoist and mount thing and adjust, eliminates the levelness deviation of hoist and mount thing, can effectively solve the swing problem of hoist and mount thing in vertical direction simultaneously.
The utility model adopts the technical proposal that:
the utility model provides a can eliminate horizontal deviation, anti wobbling hoist, includes actuating mechanism and control system, wherein:
the actuating mechanism comprises an upper lifting lug, an upper connecting piece, a lifting lug nut, a middle pull rod, an actuating hydraulic cylinder, a lower connecting piece, a lower connecting shaft, a counterweight block, a pin penetrating device, a counterweight box, a lower connecting plate, a lower connecting transverse plate and an electric cabinet fixing base; the center of the upper connecting piece and the center of the lower connecting piece are provided with center holes, the lower end part of the upper connecting piece and the upper end part of the lower connecting piece are symmetrically welded with connecting plates, and the upper end part of the lower connecting piece is also welded with an electric cabinet fixing base; the lower end of the upper lifting lug penetrates through a central hole of the upper connecting piece from the upper part, and the upper lifting lug is connected with the upper connecting piece through a lifting lug nut; the middle pull rod is connected with the upper connecting piece and the lower connecting piece by adopting a hinge structure; the execution hydraulic cylinder is connected with the upper connecting piece and the lower connecting piece by adopting a hinge structure; a central hole is processed at the central position of the lower connecting transverse plate; the lower connecting shaft penetrates through a central hole of the lower connecting transverse plate from the lower part and is welded with the lower connecting piece; the lower connecting plate is connected with the lower connecting shaft and the lower connecting transverse plate; the pin penetrating device is connected with the lower connecting piece; the counterweight box is connected with the lower connecting piece; the counterweight block is connected with the counterweight box;
the control system comprises a motor, an electric cabinet, an X-direction oil inlet pipe, a Y-direction oil inlet pipe, an X-direction oil outlet pipe, a Y-direction oil outlet pipe, an input potentiometer, a subtracter, a power amplification module, a force motor, a regulating hydraulic valve, an overflow valve, a small-flow hydraulic pump, a back pressure valve, a pressure retaining valve, a reversing valve, a control hydraulic cylinder and an output potentiometer; the electric cabinet is fixedly arranged on an electric cabinet fixing base, a hydraulic oil tank is arranged in the electric cabinet, a motor fixing support is welded outside the electric cabinet, and an input potentiometer, a subtracter, a power amplification module, a force motor, a regulating hydraulic valve, an overflow valve, a small-flow hydraulic pump, a back pressure valve, a pressure retaining valve, a reversing valve and an output potentiometer are all arranged in the inner space of the electric cabinet; the input potentiometer is arranged on the upper end surface of the lower connecting piece; the motor is installed and fixed on a motor fixing support outside the electric cabinet.
The middle pull rod is connected with the upper connecting piece and the lower connecting piece by adopting a hinge structure, but a hinge hole is larger than a hinge shaft, and at the moment, the middle pull rod can flexibly move within a design range; the execution hydraulic cylinder is connected with the upper connecting piece and the lower connecting piece through hinge structures, but hinge holes are larger than hinge shafts, and at the moment, the execution hydraulic cylinder can flexibly move within a design range.
The center line of the lower connecting shaft and the center line of the central hole of the lower connecting piece are on the same center line.
The counterweight is configured according to the weight of the pin penetrating device.
And a motor shaft of the motor is connected with the small-flow hydraulic pump through a coupler.
The X-direction oil inlet pipe, the Y-direction oil inlet pipe, the X-direction oil outlet pipe and the Y-direction oil outlet pipe are respectively connected with the oil inlet/outlet of the electric control box and the oil inlet/outlet of the execution hydraulic cylinder through pipe joints.
And control switches of the pressure retaining valve and the reversing valve are arranged on the control console, and the control console is arranged in a driver cab of the crane.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the utility model provides a lifting appliance capable of eliminating horizontal deviation and anti-swing, which can actively adjust the horizontal deviation of a lifting object, eliminate the horizontal deviation of the lifting object, eliminate the possibility of inclination of the lifting object in the lifting process and improve the stability of the lifting process;
(2) the utility model provides a lifting appliance capable of eliminating horizontal deviation and resisting swing, which can simultaneously solve the problem of swing of a lifting object in the vertical direction, has strong anti-interference performance and further improves the stability of the lifting process;
(3) the utility model provides a lifting appliance capable of eliminating horizontal deviation and resisting swing, which has an automatic adjusting function, avoids the problems of repeated manual inspection, repeated lifting and the like in the lifting process, eliminates the adverse effects of personnel injury risks, work efficiency reduction and the like, and effectively prevents the possibility of lifting accidents such as falling of lifted objects, casualties and the like;
(4) the utility model provides a lifting appliance capable of eliminating horizontal deviation and resisting swing, which uses electrical components to measure and transmit signals, and has strong signal comprehensive processing capability and high control precision;
(5) the utility model provides a lifting appliance capable of eliminating horizontal deviation and resisting swing, which uses a hydraulic component as an actuating mechanism, and has fast response speed and large output power;
(6) the utility model provides a lifting appliance capable of eliminating horizontal deviation and resisting swing, which has high automation degree, simple operation, convenient maintenance and lower requirement on the skill level of operators;
(7) the utility model provides a can eliminate levelness deviation, anti wobbling hoist, this hoist commonality is strong, can be used for all hoist and mount work that have the requirement to the levelness deviation under certain tonnage simultaneously, has effectively extended the application range and the service ability of equipment such as hoist.
Drawings
Fig. 1 is a front view of a hanger capable of eliminating horizontal deviation and resisting swing of the utility model;
fig. 2 is a left side view of the hanger of the present invention capable of eliminating horizontal deviation and resisting swing;
fig. 3 is an axonometric view of a spreader of the present invention which can eliminate the flatness deviation and resist the swing;
fig. 4 is a control schematic diagram of the utility model discloses a can eliminate horizontal deviation, anti wobbling hoist.
Wherein: 1-upper lifting lug; 2-upper connecting piece; 3, a lifting lug nut; 4-middle pull rod; 5, an execution hydraulic cylinder; 6, a motor; 7-electric control box (with oil tank); 8-lower link; 9-a lower connecting shaft; 10-pair of weights; 11-a pin-passing device; 12-counterweight box; 13-lower connecting plate; 14-the lower part is connected with a transverse plate; 15-fixing a base by an electric cabinet; 16-X direction oil inlet pipe; 17-Y direction oil inlet pipe; 18-X direction oil outlet pipe; 19-Y direction oil outlet pipe; 20-input potentiometer; 21-a subtractor; 22-power amplification module; 23-force motor; 24-a regulating hydraulic valve; 25-relief valve; 26-small flow hydraulic pump; 27-back pressure valve; 28-electromagnetic pressure retaining valve; 29-a solenoid directional valve; 30-a hydraulic cylinder; 31-output potentiometer.
Detailed Description
The present invention provides a hanger capable of eliminating horizontal deviation and resisting swing, which is described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the utility model provides a can eliminate horizontal deviation, anti wobbling hoist, including actuating mechanism and control system, wherein:
the actuating mechanism comprises an upper lifting lug 1, an upper connecting piece 2, a lifting lug nut 3, a middle pull rod 4, an actuating hydraulic cylinder 5, a lower connecting piece 8, a lower connecting shaft 9, a counterweight block 10, a pin penetrating device 11, a counterweight box 12, a lower connecting plate 13, a lower connecting transverse plate 14 and an electric cabinet fixing base 15;
the upper lifting lug 1 is formed by cast steel forging and machining, a lifting lug hole is processed at the upper end, and threads for a lifting hook are processed at the lower end; the upper connecting piece 2 and the lower connecting piece 8 are welded by plates, a central hole is processed in the central position, the lower end part of the upper connecting piece 2 and the upper end part of the lower connecting piece 8 are symmetrically welded with connecting plates, and the upper end part of the lower connecting piece 8 is also welded with an electric cabinet fixing base 15; the lower end of the upper lifting lug 1 penetrates through a central hole of the upper connecting piece 2 from the upper part, and the upper lifting lug 1 is connected with the upper connecting piece 2 through a lifting lug nut 3;
the middle pull rod 4 is connected with the upper connecting piece 2 and the lower connecting piece 8 by adopting a hinge structure, but a hinge hole is larger than a hinge shaft, and at the moment, the middle pull rod 4 can flexibly move within a design range; the actuating hydraulic cylinder 5 is connected with the upper connecting piece 2 and the lower connecting piece 8 by hinge structures, but hinge holes are larger than hinge shafts, and at the moment, the actuating hydraulic cylinder 5 can flexibly move within a design range;
a central hole is processed at the central position of the lower connecting transverse plate 14, and lower connecting plate connecting threaded holes are processed at two ends of the central hole;
the lower connecting shaft 9 penetrates through a central hole of a lower connecting transverse plate 14 from the lower part and is welded with the lower connecting piece 8, the central line of the lower connecting shaft 9 and the central line of the central hole of the lower connecting piece 8 are required to be ensured to be on the same central line in the welding process, and lower connecting plate connecting thread blind holes are processed on the end faces of two sides of the lower connecting shaft 9;
a lower connecting plate 13, a threaded blind hole connected with a lower connecting transverse plate 14 is processed at the upper part of the side end surface, a threaded blind hole connected with a lower connecting shaft 9 is processed at the middle part of the side end surface, and the lower connecting plate 13 is connected with the lower connecting shaft 9 and the lower connecting transverse plate 14 through bolts;
a lower connecting plate 13 connecting thread blind hole is processed on the right side of the pin penetrating device 11, a hand wheel is arranged on the right side of the pin penetrating device 11, and the pin penetrating device 11 is connected with the lower connecting piece 13 through a bolt;
a lower connecting plate 13 connecting thread blind hole is processed on the left side of the counterweight box 12, and the counterweight box 12 is connected with the lower connecting piece 13 through a bolt;
the weight 10 is arranged according to the weight of the pin penetrating device 11 and is connected with the counterweight box 12 through a bolt.
The control system comprises a motor 6, an electric cabinet 7, an X-direction oil inlet pipe 16, a Y-direction oil inlet pipe 17, an X-direction oil outlet pipe 18, a Y-direction oil outlet pipe 19, an input potentiometer 20, a subtracter 21, a power amplification module 22, a force motor 23, a regulating hydraulic valve 24, an overflow valve 25, a small-flow hydraulic pump 26, a back pressure valve 27, a pressure retaining valve 28, a reversing valve 29, a control hydraulic cylinder 30 and an output potentiometer 31;
the electric cabinet 7 is fixedly installed on the electric cabinet fixing base 15 through bolts, a hydraulic oil tank is arranged in the electric cabinet 7, a motor fixing support is welded outside the electric cabinet 7, and meanwhile, an input potentiometer 20, a subtracter 21, a power amplification module 22, a force motor 23, a regulating hydraulic valve 24, an overflow valve 25, a small-flow hydraulic pump 26, a back pressure valve 27, a pressure retaining valve 28, a reversing valve 29 and an output potentiometer 31 are all arranged in the inner space of the electric cabinet 7;
the input potentiometer 20 is arranged on the upper end surface of the lower connecting piece 8;
the motor 6 is fixedly arranged on a motor fixing bracket outside the electric cabinet 7 through bolts, and a motor shaft is connected with the small-flow hydraulic pump 26 through a coupler;
the X-direction oil inlet pipe 16, the Y-direction oil inlet pipe 17, the X-direction oil outlet pipe 18 and the Y-direction oil outlet pipe 19 are respectively connected with the oil inlet/outlet of the electric control box 7 and the oil inlet/outlet of the execution hydraulic cylinder 5 through pipe joints;
the control switches of the pressure retaining valve 28 and the reversing valve 29 are both arranged on a control console, and the control console is arranged in a cab of a crane.
The control system has 3 working conditions which are respectively a forced adjusting working condition, an automatic adjusting working condition and a locking working condition, and an operator operates the control switches of the pressure retaining valve 28 and the reversing valve 29 on the console, so that the control system can be in different working conditions and can also carry out switching operation of the working conditions.
1) Forced regulation of operating conditions
The pressure retaining valve 28 is operated to control the switch to enable the pressure retaining valve 28 to be powered on and off, the lifting appliance is located at a non-automatic adjusting station, the horizontal degree deviation of a lifted object can be roughly adjusted according to the state of the lifted object, if the lifted object is in a state of low right, low left and high left, the electromagnetic reversing valve 29 is operated to switch to enable the valve on the left side of the reversing valve 29 to be powered on and opened, the piston of the hydraulic cylinder 5 is executed to move upwards, when the lifted object is basically in a horizontal state, the electromagnetic reversing valve 29 is operated to switch to enable the reversing valve 29 to be powered off and located at a middle position, if the lifted object is in a state of low left, low right and high left, the electromagnetic reversing valve 29 is operated to. In addition, the system is also provided with an overflow valve 25, when the lifting appliance reaches the limit adjusting position, redundant hydraulic oil is overflowed to the oil tank through the overflow action of the overflow valve 25, and then the actuating hydraulic cylinder 5 cannot be damaged due to excessive hydraulic oil.
2) Automatically adjusting operating conditions
The levelness of the hoisted object is measured and converted into a voltage signal by an input potentiometer 20, the voltage signal and the voltage of an output potentiometer 31 are simultaneously sent into a subtracter 21 to be compared to form a levelness deviation adjusting signal, the signal is amplified by a power amplification module 22 to form an operation signal of a driving force motor 23, the force motor 23 drives a valve core adjusting rod of a regulating hydraulic valve 24 to move, the output force of the force motor 23 and the levelness deviation adjusting signal are in a linear relation near a working point, the valve core displacement is in direct proportion to the output force of the force motor 23, the valve outlet flow is in direct proportion to the valve core displacement, the displacement of a piston of an execution hydraulic cylinder 5 is in direct proportion to the valve outlet flow, at the moment, a control system automatically adjusts the levelness deviation of the hoisted object until the levelness deviation is completely eliminated, and the automatic adjustment.
Due to the automatic adjustment function of the lifting appliance, the vertical swing caused by the rigidity of the steel wire rope and other reasons can be improved in the ascending and descending processes, and can be compensated in the horizontal running process.
It can be calculated that for such a control system, when the resistors R1-R4 are appropriately sized, the control system can be simplified into a second-order oscillation system, and the system can be improved to meet various use requirements by controlling the proportional gain of the power amplification module or adding a series connection rectification network.
3) Locked condition
The pressure retaining valve 28 is operated to control the switch to enable the pressure retaining valve 28 to be electrified and closed, the electromagnetic reversing valve 29 is operated to switch to enable the reversing valve 29 to be in the middle position after power failure, the position of the piston of the execution hydraulic cylinder 5 and the levelness of a hoisted object are kept unchanged in the processes of rising, falling and horizontal operation, and therefore the locking function of the lifting appliance is achieved.
The utility model discloses a theory of operation does:
the method comprises the following steps: checking the lubrication conditions of the connecting parts of the middle pull rod 4 and the execution hydraulic cylinder 5, the upper connecting piece 2 and the lower connecting piece 8, if the lubrication conditions are not good enough, uniformly coating lubricating grease, and returning for several times to uniformly distribute the lubricating grease; and checking the fastening condition of each connecting part of the lifting appliance, and if the connecting parts are not fastened firmly, re-fastening.
Step two: the control console is placed in a crane cab or other safe areas outside the crane, the upper lifting lug 1 is connected with a crane main hook, and an electric wire is connected with an electric cabinet of a crane cart or an external independent power supply.
Step three: and starting the electrical switch to connect the lifting appliance with the power supply, operating the crane to slowly lift the main hook of the crane, and stopping lifting the main hook of the crane when the distance between the bottom end of the lifting appliance and the ground of the factory building or the factory warehouse is about 10 cm.
Step four: and (3) penetrating the pin penetrating device 11 into a preset pin penetrating hole on the hoisted object to connect the hoisted object with the hanger.
Step five: the crane is operated to enable the main hook of the crane to rise slowly, the hoisted object rises slowly, an operator observes the state of the hoisted object on the ground or in a cab, if the situation that the hoisted object has levelness deviation is found, the operator operates on a control console, and the pressure retaining valve 28 control switch and the electromagnetic directional valve 29 control switch are operated to roughly adjust the levelness deviation of the hoisted object.
Step six: the crane is operated to enable the main hook of the crane to continuously and slowly rise, when the distance between the bottom end of the lifting appliance and the ground of a factory building or a factory warehouse is about 50 cm, the main hook of the crane stops being lifted, and the pressure retaining valve 28 control switch and the electromagnetic directional valve 29 switch are operated to enable the control system to automatically adjust the levelness deviation of the lifted object until the levelness deviation is completely eliminated.
Step seven: the pressure retaining valve 28 is operated to control the switch and the electromagnetic directional valve 29 to switch so that the control system enters a locking working condition, the crane is operated to slowly lift the main hook of the crane, and the crane stops lifting the hoisted object to a specified position after the main hook of the crane is lifted to a specified height.
Step eight: and (3) placing the crane in a safe and controllable state, removing the pin penetrating device 11 from a pin penetrating hole preset in the hoisted object to separate the hoisted object from the hanger, disconnecting the hanger from a power supply and removing the hanger at the same time according to the sequence opposite to the steps I, II, III and IV, operating the crane to enable the main hook of the crane to slowly rise, stopping after rising to a specified height, and placing the crane in a safe and controllable state.
Step nine: cleaning the lifting appliance and storing the lifting appliance into a special tool box.
It is to be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principles of the present invention, but the present invention is not limited to the above embodiments. The present invention can be modified or substituted by other modifications without departing from the spirit and substance of the present invention, and all such modifications and improvements as fall within the scope of the claims of the present invention are intended to be covered by the present invention.
Claims (7)
1. The utility model provides a can eliminate horizontal deviation, anti wobbling hoist which characterized in that: including actuating mechanism and control system, wherein:
the actuating mechanism comprises an upper lifting lug (1), an upper connecting piece (2), a lifting lug nut (3), a middle pull rod (4), an actuating hydraulic cylinder (5), a lower connecting piece (8), a lower connecting shaft (9), a counterweight block (10), a pin penetrating device (11), a counterweight box (12), a lower connecting plate (13), a lower connecting transverse plate (14) and an electric cabinet fixing base (15); the center of the upper connecting piece (2) and the center of the lower connecting piece (8) are provided with center holes, the lower end of the upper connecting piece (2) and the upper end of the lower connecting piece (8) are symmetrically welded with connecting plates, and the upper end of the lower connecting piece (8) is also welded with an electric cabinet fixing base (15); the lower end of the upper lifting lug (1) penetrates through a central hole of the upper connecting piece (2) from the upper part, and the upper lifting lug (1) is connected with the upper connecting piece (2) through a lifting lug nut (3); the middle pull rod (4) is connected with the upper connecting piece (2) and the lower connecting piece (8) by adopting a hinge structure; the execution hydraulic cylinder (5) is connected with the upper connecting piece (2) and the lower connecting piece (8) by adopting a hinge structure; a central hole is processed at the central position of the lower connecting transverse plate (14); the lower connecting shaft (9) penetrates through a central hole of the lower connecting transverse plate (14) from the lower part and is welded with the lower connecting piece (8); the lower connecting plate (13) is connected with the lower connecting shaft (9) and the lower connecting transverse plate (14); the pin penetrating device (11) is connected with the lower connecting plate (13); the counterweight box (12) is connected with the lower connecting plate (13); the counterweight block (10) is connected with the counterweight box (12);
the control system comprises a motor (6), an electric cabinet (7), an X-direction oil inlet pipe (16), a Y-direction oil inlet pipe (17), an X-direction oil outlet pipe (18), a Y-direction oil outlet pipe (19), an input potentiometer (20), a subtracter (21), a power amplification module (22), a force motor (23), a regulating hydraulic valve (24), an overflow valve (25), a small-flow hydraulic pump (26), a back pressure valve (27), a pressure retaining valve (28), a reversing valve (29), a control hydraulic cylinder (30) and an output potentiometer (31); the electric cabinet (7) is fixedly arranged on an electric cabinet fixing base (15), a hydraulic oil tank is arranged in the electric cabinet (7), a motor fixing support is welded outside the electric cabinet (7), and meanwhile, an input potentiometer (20), a subtracter (21), a power amplification module (22), a force motor (23), a regulating hydraulic valve (24), an overflow valve (25), a small-flow hydraulic pump (26), a back pressure valve (27), a pressure retaining valve (28), a reversing valve (29) and an output potentiometer (31) are all arranged in the inner space of the electric cabinet (7); the input potentiometer (20) is arranged on the upper end surface of the lower connecting piece (8); the motor (6) is arranged and fixed on a motor fixing bracket outside the electric cabinet (7).
2. The spreader of claim 1, wherein the spreader is capable of eliminating horizontal deviation and resisting swinging, and comprises: the middle pull rod (4) is connected with the upper connecting piece (2) and the lower connecting piece (8) by adopting a hinge structure, but a hinge hole is larger than a hinge shaft, and at the moment, the middle pull rod (4) can flexibly move within a design range; the execution hydraulic cylinder (5) is connected with the upper connecting piece (2) and the lower connecting piece (8) through hinge structures, and hinge holes are larger than hinge shafts, so that the execution hydraulic cylinder (5) can flexibly move within a design range.
3. The spreader of claim 1, wherein the spreader is capable of eliminating horizontal deviation and resisting swinging, and comprises: the central line of the lower connecting shaft (9) and the central line of the central hole of the lower connecting piece (8) are on the same central line.
4. The spreader of claim 1, wherein the spreader is capable of eliminating horizontal deviation and resisting swinging, and comprises: the counterweight (10) is configured according to the weight of the pin penetrating device (11).
5. The spreader of claim 1, wherein the spreader is capable of eliminating horizontal deviation and resisting swinging, and comprises: and a motor shaft of the motor (6) is connected with the small-flow hydraulic pump (26) through a coupler.
6. The spreader of claim 1, wherein the spreader is capable of eliminating horizontal deviation and resisting swinging, and comprises: the X-direction oil inlet pipe (16), the Y-direction oil inlet pipe (17), the X-direction oil outlet pipe (18) and the Y-direction oil outlet pipe (19) are respectively connected with the oil inlet/outlet of the electric control box (7) and the oil outlet/inlet of the execution hydraulic cylinder (5) through pipe joints.
7. The spreader of claim 1, wherein the spreader is capable of eliminating horizontal deviation and resisting swinging, and comprises: the control switches of the pressure retaining valve (28) and the reversing valve (29) are arranged on a control console, and the control console is arranged in a crane cab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020447011.5U CN213505541U (en) | 2020-03-31 | 2020-03-31 | Lifting appliance capable of eliminating horizontal deviation and resisting swinging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020447011.5U CN213505541U (en) | 2020-03-31 | 2020-03-31 | Lifting appliance capable of eliminating horizontal deviation and resisting swinging |
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| CN213505541U true CN213505541U (en) | 2021-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268547A (en) * | 2020-03-31 | 2020-06-12 | 江苏核电有限公司 | Lifting appliance capable of eliminating horizontal deviation and resisting swinging |
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2020
- 2020-03-31 CN CN202020447011.5U patent/CN213505541U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268547A (en) * | 2020-03-31 | 2020-06-12 | 江苏核电有限公司 | Lifting appliance capable of eliminating horizontal deviation and resisting swinging |
| CN111268547B (en) * | 2020-03-31 | 2024-06-11 | 江苏核电有限公司 | Lifting appliance capable of eliminating levelness deviation and resisting swing |
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