CN220300198U - A portable portal crane for hoisting emergency operation device - Google Patents
A portable portal crane for hoisting emergency operation device Download PDFInfo
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- CN220300198U CN220300198U CN202322236225.4U CN202322236225U CN220300198U CN 220300198 U CN220300198 U CN 220300198U CN 202322236225 U CN202322236225 U CN 202322236225U CN 220300198 U CN220300198 U CN 220300198U
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- mounting seat
- sliding block
- gantry crane
- emergency operation
- mounting
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Abstract
The utility model relates to a movable gantry crane for hoisting an emergency operation device, which comprises two vertical frames and a cross beam, wherein the two vertical frames are arranged at intervals along the transverse direction, the cross beam is connected to the tops of the two vertical frames, and travelling wheels are arranged at the bottoms of the vertical frames so that the vertical frames can travel in the longitudinal direction, and the longitudinal direction is perpendicular to the transverse direction; the chain block is also included; the beam is provided with a first mounting seat extending longitudinally, a second mounting seat is arranged on the first mounting seat in a sliding manner longitudinally, the second mounting seat extends transversely, and a first driving mechanism for driving the second mounting seat to move is arranged on the first mounting seat; the chain block is transversely assembled on a second mounting seat in a sliding manner, and a second driving mechanism for driving the chain block to move is arranged on the second mounting seat; the movable gantry crane further comprises a balancing weight, and the balancing weight and the chain block are arranged on two sides of the cross beam in the longitudinal direction.
Description
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to a movable gantry crane for hoisting an emergency operation device.
Background
The hoist for hydraulic engineering and hydroelectric engineering gates is generally only provided with a working motor and a power supply, and when the power supply of the hoist fails or the motor of the hoist fails, the hoist cannot work. For this reason, the hoist is equipped with the emergency operator, but in actual operation, based on cost considerations and the like, each hoist is not equipped with the emergency operator, for example, 11 hoist opportunities are equipped with two emergency operators, and in actual operation, there is a case in which the emergency operators need to be transported. The emergency operator consists of an emergency operation device and an energy driving device, wherein the energy driving device adopts a trolley to move, and the emergency operation device adopts a movable gantry crane to hoist.
The structure of the movable gantry crane is shown in the patent of the utility model with the issued publication number of CN203740906U, and the movable gantry crane comprises a gantry frame, wherein the gantry frame comprises upright frames positioned at two sides and a cross beam connected to the tops of the two upright frames, a chain block is arranged on the cross beam, travelling wheels are arranged at the bottom of the upright frames, the chain block can slide along the extending direction (transverse direction) of the cross beam, and the chain block is transversely perpendicular to the moving direction of the movable gantry crane. When the device is used, the emergency operation device is hooked by the chain block, the movable gantry crane is pushed after lifting, and the emergency operation device is lowered after the movable gantry crane is transported to the proper position.
The existing chain block only can move along the extending direction (namely transversely) of the cross beam, but is found to be blocked by places and other objects in actual use, the moving range of the movable gantry crane is limited, so that the lifting range of the movable gantry crane is smaller, the emergency operating device is located outside the moving range of the movable gantry crane, lifting cannot be carried out at the moment, the emergency operating device needs to be manually moved, and the labor intensity is increased.
Disclosure of Invention
The utility model provides a movable gantry crane for hoisting an emergency operation device, which aims to solve the technical problem that the hoisting range of the movable gantry crane in the running direction is smaller in the prior art.
In order to solve the problems, the movable gantry crane for hoisting the emergency operation device provided by the utility model adopts the following technical scheme: a mobile gantry crane for lifting emergency operation devices, comprising:
the two vertical frames are arranged at intervals along the transverse direction, and the cross beams are connected to the tops of the two vertical frames, and travelling wheels are arranged at the bottoms of the vertical frames, so that the vertical frames can travel in the longitudinal direction, and the longitudinal direction is perpendicular to the transverse direction;
chain block;
the beam is provided with a first mounting seat extending longitudinally, a second mounting seat is arranged on the first mounting seat in a sliding manner longitudinally, the second mounting seat extends transversely, and a first driving mechanism for driving the second mounting seat to move is arranged on the first mounting seat;
the chain block is transversely assembled on a second mounting seat in a sliding manner, and a second driving mechanism for driving the chain block to move is arranged on the second mounting seat;
the movable gantry crane further comprises a balancing weight, and the balancing weight and the chain block are arranged on two sides of the cross beam in the longitudinal direction.
The beneficial effects are that: the second mount pad is arranged for the crossbeam overhang, and the chain block can follow lateral shifting on the second mount pad, can also follow the second mount pad together on first mount pad along longitudinal movement, and during the in-service use, if the grudging post walk to extreme position or have the object to block, only need stretch out the chain block in longitudinal direction, just can enlarge its scope of hanging, need not the manual work to carry, reduced intensity of labour. The balancing weight can prevent the situations such as side turning after the chain block hangs the emergency operation device.
Further, the middle position of the first mounting seat is fixedly arranged on the cross beam, and the balancing weight is longitudinally and slidably assembled on the first mounting seat.
Further, the first mounting seat comprises a first seat body extending longitudinally, first mounting plates are arranged at two ends of the first seat body, a first guide rod extending longitudinally is fixedly arranged between the two first mounting plates, a first screw rod extending longitudinally is further rotatably arranged between the two first mounting plates, the first mounting seat comprises a first sliding block and a second sliding block which are assembled on the first guide rod in a sliding manner longitudinally, the second mounting seat is arranged on the first sliding block, and the balancing weight is arranged on the second sliding block;
the first screw rod comprises a first thread section penetrating through the first sliding block and in threaded fit with the first sliding block, and a second thread section penetrating through the second sliding block and in threaded fit with the second sliding block, and the threads of the first thread section and the second thread section are opposite in rotation direction so as to drive the second mounting seat and the balancing weight to move relatively when the first screw rod rotates;
the first driving mechanism comprises a first motor arranged on one of the first mounting plates, and the first motor is connected with the first screw rod. Through the first motor can drive chain block and balancing weight simultaneously and remove towards opposite reverse, guarantee not taking place to turn on one's side.
Further, the second mounting seat comprises a second seat body extending transversely, second mounting plates are arranged at two ends of the second seat body, a second guide rod extending transversely is fixedly arranged between the two second mounting plates, a second screw rod extending transversely is further rotatably arranged between the two second mounting plates, the second mounting seat comprises a third sliding block assembled on the second guide rod in a sliding manner transversely, and the chain block is arranged on the third sliding block;
the second screw rod penetrates through the third sliding block and is in threaded fit with the third sliding block;
the second driving mechanism comprises a second motor arranged on one of the second mounting plates, and the second motor is connected with a second screw rod.
Further, a reinforcing rod is connected between the cross beam and the first mounting seat.
Further, the stand is a tripod.
Further, two travelling wheels are arranged at the bottom of each stand, and the two travelling wheels on the same stand are longitudinally arranged at intervals.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is a side view of a mobile gantry crane (chain block not shown) for lifting emergency operation devices;
FIG. 2 is a front view of a mobile gantry crane for lifting emergency operation devices;
FIG. 3 is a side view of the sliding portion of FIGS. 1 and 2;
fig. 4 is a front view of the sliding portion of fig. 1 and 2.
Reference numerals illustrate:
1. a vertical frame; 2. a cross beam; 3. a walking wheel; 4. a first mount; 41. a first base; 42. a first mounting plate; 43. a first guide bar; 44. a first screw; 45. a first thread segment; 46. a second thread segment; 47. a first slider; 48. a second slider; 5. a second mounting base; 51. a second seat body; 52. a second mounting plate; 53. a second guide bar; 54. a second screw; 55. a third slider; 6. chain block; 7. a first motor; 8. a second motor; 9. balancing weight; 10. and a reinforcing rod.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
The utility model provides an embodiment of a movable gantry crane for hoisting an emergency operation device, which comprises the following steps:
as shown in fig. 1 to 4, a mobile gantry crane (hereinafter simply referred to as a mobile gantry crane) for lifting an emergency operation device includes a gantry including two uprights 1 and a cross member 2 fixedly connected to tops of the two uprights 1, the two uprights 1 being arranged at a lateral interval. The bottom of each stand 1 is provided with a travelling wheel 3 enabling the mobile gantry crane to travel in a longitudinal direction, wherein the longitudinal direction is perpendicular to the transverse direction. The uprights 1 are typically triangular frames, and two travelling wheels 3 are typically mounted at the bottom of each upright 1, the two travelling wheels 3 being longitudinally spaced apart.
A first mounting seat 4 is fixedly mounted on the cross beam 2, and the first mounting seat 4 is arranged in a longitudinally extending manner. The first mounting seat 4 is provided with a second mounting seat 5 in a sliding manner along the longitudinal direction, and the second mounting seat 5 is arranged in a transversely extending manner. The second mounting seat 5 is provided with a chain block 6 in a sliding manner along the transverse direction. The chain block 6 can move transversely on the second mounting seat 5 alone or can move longitudinally on the first mounting seat 4 along with the second mounting seat 5. The first mounting seat 4 is fixedly provided with a first driving mechanism, the first driving mechanism drives the second mounting seat 5 to slide, the second mounting seat 5 is fixedly provided with a second driving mechanism, and the second driving mechanism drives the chain block 6 to slide.
Specifically, the first mounting seat 4 includes a first seat body 41, the first seat body 41 extends longitudinally, the middle position of the first seat body 41 is fixed on the cross beam 2, the bottoms of two ends of the first seat body 41 are respectively fixed with a first mounting plate 42, a first guide rod 43 and a first screw 44 are connected between the two first mounting plates 42, and the first guide rod 43 and the first screw 44 are arranged up and down. Both ends of the first guide rod 43 are fixed to the first mounting plate 42, respectively, and both ends of the first screw 44 are rotatably mounted to the first mounting plate 42.
The first screw 44 includes separate first and second flight sections 45, 46, the first and second flight sections 45, 46 having opposite handedness. The first guide rod 43 is slidably provided with a first slider 47 and a second slider 48, the first thread segment 45 passes through the first slider 47 and is in threaded engagement with the first slider 47, and the second thread segment 46 passes through the second slider 48 and is in threaded engagement with the second slider 48. After the first screw 44 is rotated, the first slider 47 and the second slider 48 can be moved relatively.
A first motor 7 is fixedly installed on one of the first installation plates 42, and the first motor 7 is connected with a first screw 44 so as to drive the first screw 44 to rotate.
The second installation seat 5 is fixedly installed on the first sliding block 47, the second installation seat 5 comprises a second seat body 51 fixed on the first sliding block 47, second installation plates 52 are fixedly installed at the bottoms of two ends of the second seat body 51 respectively, a second guide rod 53 and a second screw rod 54 are connected between the two second installation plates 52, and the second guide rod 53 and the second screw rod 54 are distributed along the up-down direction. Both ends of the second guide rod 53 are fixed to the second mounting plate 52, respectively, and both ends of the second screw 54 are rotatably mounted to the second mounting plate 52. A second motor 8 is fixedly mounted on one of the second mounting plates 52, and the second motor 8 drives a second screw 54 to rotate. The second guide rod 53 is slidably provided with a third slide block 55, the second screw 54 passes through the third slide block 55 and is in threaded fit with the third slide block 55, and the second motor 8 can drive the third slide block 55 to move transversely after rotating. The chain block 6 is fixedly arranged on the third sliding block 55.
The second sliding block 48 is hung with a balancing weight 9 through a rope, and the purpose of the balancing weight 9 is to prevent rollover when one end of the chain block 6 is biased to hang the emergency operation device.
A reinforcing rod 10 is connected between the cross beam 2 and the second mount 4, the reinforcing rod 10 improving the stability of the second mount 4.
When the emergency operation device is used, when the stand 1 walks to the limit position or is blocked by articles, if the emergency operation device is positioned on one longitudinal side of the cross beam 2, the first motor 7 is started, the first motor 7 drives the first sliding block 47 to longitudinally move and stretch out, then the second motor 8 is started again to drive the chain block 6 to transversely move and adjust until the chain block 6 is positioned above the emergency operation device, and then the emergency operation device is manually hooked. After the first motor 7 is started, the balancing weights 9 stretch out synchronously, and after the emergency operation device is hooked, the balancing weights 9 play a role in balancing the weight of two sides, so that side turning is avoided.
In other embodiments, the shape of the stand may vary from case to case.
In other embodiments, the first mounting seat may be a guide rail, the bottom of the guide rail is provided with a dovetail groove, and the top of the second mounting seat is fixed with a slider adapted to the dovetail groove, so that the second mounting seat can slide on the first mounting seat. Similarly, the second mounting seat can be a guide rail, a dovetail groove is formed in the bottom of the guide rail, a sliding block is slidably mounted in the dovetail groove, and the chain block is mounted on the sliding block.
In other embodiments, at least one of the first driving mechanism and the second driving mechanism is an oil cylinder, and the corresponding component is driven to slide through expansion and contraction of the oil cylinder.
In other embodiments, the balancing weight is detachably assembled on the stand, and the balancing weight is installed on the stand after the chain block is hung out.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (7)
1. A mobile gantry crane for lifting emergency operation devices, comprising:
the two vertical frames are arranged at intervals along the transverse direction, and the cross beams are connected to the tops of the two vertical frames, and travelling wheels are arranged at the bottoms of the vertical frames, so that the vertical frames can travel in the longitudinal direction, and the longitudinal direction is perpendicular to the transverse direction;
chain block;
the transverse beam is characterized in that a first mounting seat extending longitudinally is arranged on the transverse beam, a second mounting seat is arranged on the first mounting seat in a sliding manner longitudinally, the second mounting seat extends transversely, and a first driving mechanism for driving the second mounting seat to move is arranged on the first mounting seat;
the chain block is transversely assembled on a second mounting seat in a sliding manner, and a second driving mechanism for driving the chain block to move is arranged on the second mounting seat;
the movable gantry crane further comprises a balancing weight, and the balancing weight and the chain block are arranged on two sides of the cross beam in the longitudinal direction.
2. The mobile gantry crane for hoisting emergency operation devices according to claim 1, wherein the middle position of the first mount is fixedly arranged on the cross beam, and the counterweight is longitudinally slidably assembled on the first mount.
3. The movable gantry crane for hoisting emergency operation devices according to claim 2, wherein the first mounting seat comprises a first seat body extending longitudinally, first mounting plates are arranged at two ends of the first seat body, a first guide rod extending longitudinally is fixedly arranged between the two first mounting plates, a first screw rod extending longitudinally is rotatably arranged between the two first mounting plates, the first mounting seat comprises a first sliding block and a second sliding block which are assembled on the first guide rod in a sliding manner longitudinally, the second mounting seat is arranged on the first sliding block, and the balancing weight is arranged on the second sliding block;
the first screw rod comprises a first thread section penetrating through the first sliding block and in threaded fit with the first sliding block, and a second thread section penetrating through the second sliding block and in threaded fit with the second sliding block, and the threads of the first thread section and the second thread section are opposite in rotation direction so as to drive the second mounting seat and the balancing weight to move relatively when the first screw rod rotates;
the first driving mechanism comprises a first motor arranged on one of the first mounting plates, and the first motor is connected with the first screw rod.
4. The movable gantry crane for hoisting emergency operation devices according to claim 1, 2 or 3, wherein the second mounting seat comprises a second seat body extending transversely, two ends of the second seat body are respectively provided with a second mounting plate, a second guide rod extending transversely is fixedly arranged between the two second mounting plates, a second screw rod extending transversely is rotatably arranged between the two second mounting plates, the second mounting seat comprises a third sliding block assembled on the second guide rod in a sliding manner transversely, and the chain block is arranged on the third sliding block;
the second screw rod penetrates through the third sliding block and is in threaded fit with the third sliding block;
the second driving mechanism comprises a second motor arranged on one of the second mounting plates, and the second motor is connected with a second screw rod.
5. A mobile gantry crane for lifting emergency operation devices according to claim 1 or 2 or 3, characterized in that a reinforcing rod is connected between the cross beam and the first mounting seat.
6. A mobile gantry crane for lifting emergency operation devices according to claim 1 or 2 or 3, characterized in that the stand is a tripod.
7. The mobile gantry crane for hoisting emergency operation devices according to claim 6, wherein the bottom of each stand is provided with two travelling wheels, and the two travelling wheels on the same stand are arranged at intervals in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322236225.4U CN220300198U (en) | 2023-08-18 | 2023-08-18 | A portable portal crane for hoisting emergency operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322236225.4U CN220300198U (en) | 2023-08-18 | 2023-08-18 | A portable portal crane for hoisting emergency operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220300198U true CN220300198U (en) | 2024-01-05 |
Family
ID=89351648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322236225.4U Active CN220300198U (en) | 2023-08-18 | 2023-08-18 | A portable portal crane for hoisting emergency operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220300198U (en) |
-
2023
- 2023-08-18 CN CN202322236225.4U patent/CN220300198U/en active Active
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