CN211008682U - Arch frame transfer device - Google Patents
Arch frame transfer device Download PDFInfo
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- CN211008682U CN211008682U CN201922197363.XU CN201922197363U CN211008682U CN 211008682 U CN211008682 U CN 211008682U CN 201922197363 U CN201922197363 U CN 201922197363U CN 211008682 U CN211008682 U CN 211008682U
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Abstract
The utility model provides an arch center transfer device, which comprises a fixed frame, a hoisting mechanism, a lifting mechanism, a transfer beam and an arch center clamp; the lifting mechanism and the lifting mechanism are both arranged on the fixed frame, the transfer cross beam is arranged on the lifting mechanism, and the lifting mechanism can drive the transfer cross beam to move on the fixed frame; the transfer cross beam is provided with a transmission mechanism, the arch center fixture is arranged on the transmission mechanism of the transfer cross beam, and the arch center fixture can move back and forth on the transfer cross beam; the primary lifting of the arch is completed through the lifting mechanism, and the whole arch on the ground can be transferred to the arch placement position by matching with the transfer beam and the lifting mechanism, so that the tunnel can be quickly supported; in addition, the whole transfer process of the arch centering does not need manual assistance to move the arch centering, the labor intensity of personnel is low, and the safety is high.
Description
Technical Field
The utility model relates to a steel smelting technical field, concretely relates to bow member transfer device.
Background
When arch erecting operation is carried out in a tunnel, due to the limitation of the space in the tunnel, a worker is mainly adopted to stand at one end of a rack at present, the arch rack is conveyed to the rack by utilizing a loader bucket, and then the arch rack is manually conveyed to move forwards and backwards. A sub-arch frame is arranged between 500 and 600 kilograms, the manual lifting and carrying are very laborious, the construction speed is low, and the safety can not be ensured. The existing arch center transferring mainly depends on a hoisting mechanism matched with a movable trolley for transferring, and the hoisting mechanism is generally arranged on a cantilever and matched with a steel wire rope and a winch for hoisting the arch center; because the hoisting mechanism is provided with the cantilever, the cantilever is generally overhigh, and the arch is easy to shake and collide in the hoisting and transferring process, so that the arch is damaged or falls off; the security is difficult to guarantee, and still need the people to stand on the rack supplementary with the bow member transport to transport mechanism on, intensity of labour is big, and increases the hand labor cost. The hoist engine on the cantilever is the peak of whole lift by crane process, and the transportation height of bow member is depended on the flexible length of cantilever, and is higher to the quality requirement of cantilever, in the transportation: if the telescopic length of the cantilever is not enough, hoisting and transferring the arch truss to a whole arch truss cannot be finished, or the cantilever needs to be folded back to make up a working space; these are difficult to control on space-constrained tunnel gantries. In view of the above, there is a need for an arch transfer device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an arch center transfer device, which comprises a fixed frame, a hoisting mechanism, a lifting mechanism, a transfer beam and an arch center clamp; the lifting mechanism and the lifting mechanism are both arranged on the fixed frame, the transfer cross beam is arranged on the lifting mechanism, and the lifting mechanism can drive the transfer cross beam to move on the fixed frame; the transfer beam is provided with a transmission mechanism, the arch frame fixture is arranged on the transmission mechanism of the transfer beam, and the arch frame fixture can move back and forth on the transfer beam.
Preferably, the hoisting mechanism comprises a winch, a steel wire rope and a lifting hook, the lifting hook is connected with the winch through the steel wire rope, and the winch is arranged on the fixing frame.
Preferably, the lifting mechanism comprises a cantilever frame, a lifting oil cylinder and a lifting assembly, and the lifting assembly comprises a steel wire rope set and a pulley block; the steel wire rope group comprises an ascending steel wire rope group and a descending steel wire rope group, and the pulley block comprises an ascending pulley block and a descending pulley block; the ascending pulley block and the descending pulley block both comprise a plurality of pulleys; the plurality of pulleys are all arranged on the fixed frame; the cantilever frame is in contact connection with the fixed frame through guide wheels, the guide wheels are arranged at two ends of the cantilever frame, and the cantilever frame can move on the fixed frame under the action of power; the lifting oil cylinder is arranged on the fixed frame and used for providing driving power for the cantilever frame; a steel wire rope of the ascending steel wire rope group bypasses a pulley of the ascending pulley block, one end of the ascending steel wire rope is connected to the cantilever frame, and the other end of the ascending steel wire rope is connected to the lifting oil cylinder; and a steel wire rope of the descending steel wire rope group bypasses a pulley of the descending pulley block, one end of the descending steel wire rope is connected to the cantilever frame, and the other end of the descending steel wire rope is connected to the lifting oil cylinder.
Preferably, one end of the steel wire rope of the ascending steel wire rope group and one end of the steel wire rope of the descending steel wire rope group are connected to the cantilever frame, and the other end of the steel wire rope of the ascending steel wire rope group and the other end of the steel wire rope of the descending steel wire rope group are connected to the lifting oil cylinder and located at the same end of the lifting oil cylinder.
Preferably, the transfer beam is arranged on a cantilever frame of the lifting mechanism, an oil cylinder is arranged on the cantilever frame, and the cantilever frame is connected with the transfer beam through the oil cylinder.
Preferably, the transmission mechanism on the transfer beam is a chain transmission mechanism or a crank-slider mechanism.
Preferably, a plurality of arch frame clamps are arranged on the transmission mechanism; the arrangement of a plurality of arch center clamps can realize the transportation of many arch centers, effectively improves the transportation efficiency of arch center.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model provides an arch center transfer device, which comprises a fixed frame, a hoisting mechanism, a lifting mechanism, a transfer beam and an arch center clamp; the lifting mechanism and the lifting mechanism are both arranged on the fixed frame, the transfer cross beam is arranged on the lifting mechanism, and the lifting mechanism can drive the transfer cross beam to move on the fixed frame; the transfer cross beam is provided with a transmission mechanism, the arch center fixture is arranged on the transmission mechanism of the transfer cross beam, and the arch center fixture can move back and forth on the transfer cross beam; the primary lifting of the arch is completed through the lifting mechanism, and the whole arch on the ground can be transferred to the arch placement position by matching with the transfer beam and the lifting mechanism, so that the tunnel can be quickly supported; in addition, the whole transfer process of the arch centering does not need manual assistance to move the arch centering, the labor intensity of personnel is low, and the safety is high.
(2) The lifting mechanism of the device comprises a cantilever frame, a lifting oil cylinder and a lifting assembly; the lifting assembly comprises a steel wire rope group and a pulley block; the steel wire rope groups correspond to the pulley blocks, the steel wire ropes of the ascending steel wire rope group and the descending steel wire rope group respectively bypass the pulley ends of the ascending pulley block and the descending pulley block and are connected to the cantilever frame, and the other ends of the steel wire ropes of the ascending steel wire rope group and the descending steel wire rope group are connected to the lifting oil cylinder and are connected to one end of a piston rod of the lifting oil cylinder; compared with the single lifting oil cylinder for lifting the cantilever frame, the device realizes the lifting of the cantilever frame through the matching of the steel wire rope group and the pulley block, and is used through the matching of the fixed pulley and the movable pulley in the pulley block; the lifting stroke of the cantilever frame is effectively increased, and the stroke of the cantilever frame lifted in a pulley block mode is a multiple relation of the telescopic stroke of the lifting oil cylinder.
(3) Be equipped with a plurality of bow member anchor clamps on this application device's the drive mechanism, the transportation of many bow members can be realized in the setting of a plurality of bow member anchor clamps, effectively improves the transportation efficiency of bow member.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of an arch transfer device of the present invention;
FIG. 2 is a schematic structural view of the hoisting mechanism in FIG. 1;
FIG. 3 is a schematic diagram of the construction of the lifting mechanism of FIG. 1;
FIG. 4 is a schematic view of the cantilever mount of FIG. 3;
FIG. 5 is a schematic view of a portion of the cantilever mount of FIG. 4;
fig. 6 is a schematic view of the winding of the ascending wire rope assembly of fig. 3;
fig. 7 is a schematic view of the winding of the descending wire rope set of fig. 3;
FIG. 8 is a schematic structural view of the transfer beam of FIG. 1;
fig. 9 is a schematic view of an arch transfer device of the present invention transferring an arch;
the lifting mechanism comprises a fixing frame 1, a fixing frame 1.1, a stand column 1.11, a groove 1.2, a connecting rod 2, a lifting mechanism 2.1, a winch 2.2, a lifting hook 3, a lifting mechanism 3.1, a cantilever frame 3.11, a guide wheel 3.12, a lifting steel wire rope column 3.13, a descending steel wire rope column 3.2, a lifting oil cylinder 3.3, a pulley 3.4, a steel wire rope 3.5, a pulley support 4, a transfer cross beam 5, an arch center clamp 6, a driving motor 7, a support frame 8 and an arch center.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 9, an arch center transfer device includes a fixed frame 1, a hoisting mechanism 2, a lifting mechanism 3, a transfer beam 4, and an arch center clamp 5; the hoisting mechanism is arranged at the left end of the fixed frame; the hoisting mechanism 2 comprises a winch 2.1, a steel wire rope and a lifting hook 2.2, the lifting hook is connected with the winch through the steel wire rope, and the winch is arranged on a connecting rod 1.2 at the left end of the fixing frame through a supporting frame 7; the lifting mechanism 3 comprises a cantilever frame 3.1, a lifting oil cylinder 3.2 and a lifting assembly, and the lifting assembly comprises a steel wire rope group and a pulley block; the steel wire rope group comprises an ascending steel wire rope group and a descending steel wire rope group, and the pulley block comprises an ascending pulley block and a descending pulley block; the ascending steel wire rope group corresponds to the ascending pulley block; the descending steel wire rope group corresponds to the descending pulley block; a groove 1.11 for sliding a guide wheel 3.11 is arranged on an upright post 1.1 of the fixing frame, the cantilever frame 3.1 is in contact connection with the upright post 1.1 of the fixing frame through the guide wheel 3.11, a plurality of groups of guide wheels are arranged at two ends of the cantilever frame, one group of guide wheels are arranged in the groove of the upright post of the fixing frame, and the cantilever frame can stably move on the upright post of the fixing frame under the action of power; two ends of the cantilever frame are also provided with a rising steel wire rope column 3.12 and a falling steel wire rope column 3.13 which are used for connecting the steel wire rope groups; the lifting oil cylinder is used for providing driving power for the cantilever frame, the lifting oil cylinder 3.2 is arranged on the middle connecting rod 1.2 at the front end and the rear end of the fixed frame, and a pulley bracket 3.5 is arranged on a piston rod of the lifting oil cylinder; the ascending pulley block and the descending pulley block respectively comprise a plurality of pulleys 3.3, and the pulleys comprise movable pulleys and fixed pulleys; the fixed pulleys are arranged on the connecting rods at the front end and the rear end of the fixed frame and are symmetrically arranged; the movable pulley is arranged on a pulley bracket on a piston rod of the lifting oil cylinder; a steel wire rope 3.4 of the ascending steel wire rope group is wound on a pulley 3.3 of the ascending pulley block, one end of the ascending steel wire rope is connected with an ascending steel wire rope column 3.12 of the cantilever frame 3.1, and the other end of the ascending steel wire rope is connected with a piston rod of the lifting oil cylinder and connected to a pulley bracket 3.5 on the piston rod of the lifting oil cylinder; a steel wire rope 3.4 of the descending steel wire rope group bypasses a pulley 3.3 of the descending pulley block, one end of the descending steel wire rope is connected with a descending steel wire rope column 3.13 of the cantilever frame, and the other end of the descending steel wire rope is connected with a piston rod of the lifting oil cylinder and is connected to a pulley bracket 3.5 (connected to the same end of the lifting oil cylinder) on the piston rod of the lifting oil cylinder; the fixed pulleys and the movable pulleys are used in a matched mode in the pulley block, so that the lifting stroke of the cantilever frame is effectively increased, and the stroke of the cantilever frame lifted in a pulley block mode in the embodiment is twice of the telescopic stroke of the lifting oil cylinder; the transfer cross beam 4 is overlapped on a cantilever frame 3.1 of the lifting mechanism, an oil cylinder is arranged on the cantilever frame, and the cantilever frame is connected with the transfer cross beam through the oil cylinder; the transfer cross beam can move left and right on the cantilever frame along with the extension and contraction of the oil cylinder, and meanwhile, the transfer cross beam can move up and down on the upright post of the fixed frame along with the cantilever frame of the lifting mechanism; the transfer cross beam 4 is provided with a chain transmission mechanism and a driving motor 6, and the driving mechanism provides driving force for the chain transmission mechanism; the arch center fixture is arranged on the chain transmission mechanism of the transfer beam, and the arch center fixture can move back and forth on the transfer beam under the driving of the chain transmission mechanism.
The working process of the device comprises the following steps: the transfer beam 4 is retracted to a position which does not influence the hoisting of the arch frame through the telescopic motion of the oil cylinder on the cantilever frame; the second step is that: the arch center 8 is grabbed and locked through the lifting hook 2.2, and the arch center is lifted to a proper height through the winch 2.1; the third step: the transfer beam 4 is extended to the plane of the arch frame through the telescopic motion of the oil cylinder; the fourth step: the lifting of the transfer beam 4 is controlled by the lifting oil cylinder 3.2, and the arch center fixture 5 can move to the arch center and clamp the arch center by matching with the chain transmission on the transfer beam 4; the fifth step: after the arch center fixture 5 clamps the arch center, the lifting hook is loosened, and the chain transmission mechanism on the transfer beam is utilized to pull the arch center fixture 5 to transfer the arch center to the arch center placing position; and a sixth step: after the arch frame is conveyed to the placing position, the arch frame clamp is loosened, the position of the transfer beam is restored by utilizing the lifting action of the lifting oil cylinder 3.2 and the telescopic motion of the oil cylinder on the cantilever frame, and the whole transfer of the arch frame is completed.
The device completes the primary lifting of the arch centering through the lifting mechanism, and simultaneously, the whole arch centering on the ground can be transferred to the arch centering placing position by matching with the transferring beam and the lifting mechanism, so that the tunnel can be quickly supported; in addition, the whole transfer process of the arch centering does not need manual assistance to move the arch centering, the labor intensity of personnel is low, and the safety is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An arch center transfer device is characterized by comprising a fixed frame, a hoisting mechanism, a lifting mechanism, a transfer cross beam and an arch center clamp; the lifting mechanism and the lifting mechanism are both arranged on the fixed frame, the transfer cross beam is arranged on the lifting mechanism, and the lifting mechanism can drive the transfer cross beam to move on the fixed frame; the transfer beam is provided with a transmission mechanism, the arch frame fixture is arranged on the transmission mechanism of the transfer beam, and the arch frame fixture can move back and forth on the transfer beam.
2. The arch centering transfer device of claim 1, wherein the hoisting mechanism comprises a hoist, a wire rope and a hook, the hook is connected with the hoist through the wire rope, and the hoist is arranged on the fixed frame.
3. The arch transfer device of claim 1, wherein the lifting mechanism comprises a boom, a lifting cylinder and a lifting assembly, the lifting assembly comprising a wire rope set and a pulley block; the steel wire rope group comprises an ascending steel wire rope group and a descending steel wire rope group, and the pulley block comprises an ascending pulley block and a descending pulley block; the ascending pulley block and the descending pulley block both comprise a plurality of pulleys; the plurality of pulleys are all arranged on the fixed frame; the cantilever frame is in contact connection with the fixed frame through guide wheels, the guide wheels are arranged at two ends of the cantilever frame, and the cantilever frame can move on the fixed frame under the action of power; the lifting oil cylinder is arranged on the fixed frame and used for providing driving power for the cantilever frame; a steel wire rope of the ascending steel wire rope group bypasses a pulley of the ascending pulley block, one end of the ascending steel wire rope is connected to the cantilever frame, and the other end of the ascending steel wire rope is connected to the lifting oil cylinder; and a steel wire rope of the descending steel wire rope group bypasses a pulley of the descending pulley block, one end of the descending steel wire rope is connected to the cantilever frame, and the other end of the descending steel wire rope is connected to the lifting oil cylinder.
4. An arch transfer device according to claim 3, wherein one end of the wire rope of the ascending wire rope set and one end of the wire rope of the descending wire rope set are connected to the boom, and the other ends of the wire rope of the ascending wire rope set and the wire rope of the descending wire rope set are connected to the lift cylinder and located at the same end of the lift cylinder.
5. The arch transfer device of claim 1, wherein the transfer beam is disposed on a boom of the lifting mechanism, and wherein the boom is provided with a cylinder, and the boom is connected to the transfer beam through the cylinder.
6. An arch transfer device according to any one of claims 1-5, wherein the drive mechanism on the transfer beam is a chain drive or a crank-slider mechanism.
7. An arch transfer device according to claim 6, wherein the drive mechanism is provided with a plurality of arch clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197363.XU CN211008682U (en) | 2019-12-10 | 2019-12-10 | Arch frame transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197363.XU CN211008682U (en) | 2019-12-10 | 2019-12-10 | Arch frame transfer device |
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| Publication Number | Publication Date |
|---|---|
| CN211008682U true CN211008682U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922197363.XU Active CN211008682U (en) | 2019-12-10 | 2019-12-10 | Arch frame transfer device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697413A (en) * | 2021-09-14 | 2021-11-26 | 中铁工程装备集团有限公司 | Transportation transfer device |
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2019
- 2019-12-10 CN CN201922197363.XU patent/CN211008682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697413A (en) * | 2021-09-14 | 2021-11-26 | 中铁工程装备集团有限公司 | Transportation transfer device |
| CN113697413B (en) * | 2021-09-14 | 2023-03-14 | 中铁工程装备集团有限公司 | Transportation transfer device |
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