CN217498452U

CN217498452U - Equipment hoisting device in limited space

Info

Publication number: CN217498452U
Application number: CN202221263959.0U
Authority: CN
Inventors: 李英杰; 周少帅; 贺鑫; 张建伟; 陈姚伟
Original assignee: Foguang Equipment Manufacturing Luoyang Co ltd; Zhengzhou Foguang Power Generation Equipment Co Ltd
Current assignee: Foguang Equipment Manufacturing Luoyang Co ltd; Zhengzhou Foguang Power Generation Equipment Co Ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-09-27
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses an equipment overhead hoist in confined space, including folding suspension, lift landing leg and sliding assembly, the lift landing leg supports the below at folding suspension, folding suspension includes girder and multiunit cantilever, the length direction of multiunit cantilever along the girder distributes, every cantilever of group includes the cantilever of symmetric distribution in the girder both sides, the one end and the girder of cantilever rotate to be connected, the other end and the lift landing leg of cantilever can be dismantled and be connected, the cantilever includes the first state of perpendicular to girder and the second state that is on a parallel with the girder, the below of girder and/or cantilever is fixed with the couple, sliding assembly is used for bearing the weight of equipment and makes the relative space at place of equipment slide. The utility model discloses reduce heavy, the large equipment fixing process to the influence of place space assembly process, avoid the installation to the damage of bottom plate, the accurate adjustment equipment fixing position of being convenient for reduces intensity of labour, improves operation safety and operating efficiency.

Description

Equipment hoisting device in limited space

Technical Field

The utility model relates to a machine-building technical field, more particularly, the utility model relates to an equipment hoisting device in restricted space.

Background

Heavy and large equipment is installed in a limited space such as a military shelter, and existing hoisting equipment such as a travelling crane and a crane cannot enter to carry out operation due to the space limitation. For example, when heavy and large equipment is installed in the shelter, the heavy and large equipment is usually installed before the main structure of the shelter is completely assembled, the equipment is hoisted to a preassembly position by using a crane or a crane, and the subsequent main structure assembly is performed after the equipment hoisting is finished. The installation mode has lower production efficiency.

The equipment with small weight and large volume is transported, the rolling bar can be paved on the bottom plate in the shelter, the rolling bar enters from the hole under the manual or mechanical thrust, and the position of the equipment is adjusted to a preset installation point by the crow bar. The method is easy to damage the bottom plate or the cabin body, and can cause personal injury in serious cases. And after the equipment enters the limited space, the mounting position can not be accurately adjusted by using hoisting equipment such as a crane and the like, so that the working strength is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model discloses creatively provides a device hoisting device in restricted space, reduces heavy, the large-scale equipment fixing process to the influence of place space assembly process, avoids the installation to the damage of bottom plate, and the accurate adjustment equipment fixing position of being convenient for reduces intensity of labour, improves operation safety and operating efficiency.

For realizing foretell technical purpose, the utility model discloses an equipment overhead hoist in restricted space, including folding suspension, lift landing leg and sliding assembly, the lift landing leg supports the below of folding suspension, folding suspension includes girder and multiunit cantilever, and the multiunit cantilever is followed the length direction of girder distributes, and every group cantilever includes the symmetric distribution and is in the cantilever of girder both sides, the one end of cantilever with the girder rotates to be connected, the other end of cantilever with the connection can be dismantled to the lift landing leg, the cantilever includes the perpendicular to the first state of girder and is on a parallel with the second state of girder, the girder and/or the below of cantilever is fixed with the couple, sliding assembly is used for bearing equipment and makes the relative space at place of equipment slide.

Further, still include the cantilever support, the cantilever support vertical fixation is in on the girder, the cantilever with the cantilever support rotates to be connected, the cantilever is in the cantilever support with rotate between the girder.

Furthermore, a lock nose hole is formed in the cantilever support, a lock nose corresponding to the lock nose hole is fixed on the cantilever, and the lock nose is inserted into the lock nose hole to lock the first state of the cantilever.

Further, a fastener is included for fastening the boom and the main beam when the boom is in the second state.

Further, the slide assembly comprises a frame, idlers and a fastening device, wherein a plurality of idlers are fixed on the frame in parallel, the lowest point of the idlers is higher than the bottom of the frame, the highest point of the idlers is higher than the top of the frame, the idlers are rotatably connected with the frame, and the fastening device is used for fixing the idlers on the frame and adjusting the rotation resistance of the idlers.

Further, a clamping groove used for clamping the end part of the carrier roller is formed in the top of the frame, the fastening device is fixed above the clamping groove and comprises a fastening frame, a fastening bolt and a damping piece, the fastening frame is in an inverted U shape and is fixed above the clamping groove, the damping piece is arranged above the end part of the carrier roller and below the fastening frame, a threaded hole is formed in the top of the fastening frame, and the end part of the threaded hole screwed by the fastening bolt is abutted to the damping piece.

Further, the damping piece is a rubber block or a silica gel block, and a groove matched with the shape of the end part of the carrier roller is formed in the bottom of the damping piece.

Further, the end of the main beam is provided with a forklift hole.

Furthermore, the cantilever and the lifting support leg are matched in an inserting mode, and a slot for inserting the lifting support leg is formed in the bottom of the cantilever.

Furthermore, the lifting leg also comprises a plug locking piece which is used for penetrating through the slot and the lifting leg.

The utility model has the advantages that:

the utility model discloses an equipment hoisting device in restricted space can reduce heavy, the main equipment fixing process to the influence of place space assembly process, avoids the installation to the damage of bottom plate, and the accurate adjustment equipment fixing position of being convenient for reduces intensity of labour, improves operation safety and operating efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an apparatus lifting device in a confined space according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the folding suspension according to the embodiment of the present invention when the cantilever is in the second state;

fig. 3 is a schematic structural diagram of a cantilever according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a sliding assembly according to an embodiment of the present invention;

fig. 5 is a schematic diagram of the device hoisting device in the confined space for installing devices in the shelter according to the embodiment of the present invention.

In the figure, the position of the upper end of the main shaft,

1. folding the suspension; 11. a main beam; 12. a cantilever; 13. a cantilever support; 14. a sleeve; 15. locking the nostril; 16. a lock nose; 2. lifting support legs; 21. a lifting rod; 22. a power mechanism; 23. a base; 3. a sliding assembly; 31. a frame; 32. a carrier roller; 33. a fastening device; 331. a fastening frame; 332. fastening a bolt; 333. a damping member; 34. a card slot; 4. hooking; 5. a forklift hole; 6. inserting slots; 7. a plug-in locking piece; 8. equipment; 9. and (4) a square cabin.

Detailed Description

The following explains and explains the device lifting device in a limited space in detail with reference to the drawings.

The embodiment specifically discloses a device lifting device in a limited space, as shown in fig. 1, the device lifting device comprises a folding suspension 1, lifting legs 2 and a sliding assembly 3, wherein the lifting legs 2 are supported below the folding suspension 1, and the height of the folding suspension 1 is adjusted by the lifting of the lifting legs 2. Folding suspension 1 includes girder 11 and multiunit cantilever, and the multiunit cantilever distributes along the length direction of girder 11, and the certain distance is separated between two sets of adjacent cantilevers, and every group cantilever includes the cantilever 12 of symmetric distribution at girder 11 both sides, and the one end of cantilever 12 is rotated with girder 11 and is connected, and the other end and the lift landing leg 2 of cantilever 12 can be dismantled and be connected, and cantilever 12 includes the first state of perpendicular to girder 11 and the second state that is on a parallel with girder 11. As shown in fig. 2, when the suspension arm 12 is parallel to the main beam 11, the entire folding suspension 1 is in a folded state, and occupies a small space, which is convenient for the movement and installation of the folding suspension 1 in a limited space. The lifting device further comprises a fastener, and the fastener is used for fastening the cantilever 12 and the main beam 11 when the cantilever 12 is in the second state, namely when the cantilever 12 is parallel to the main beam 11, the fastener fastens the cantilever 12 and the main beam 11, so that the cantilever 12 is prevented from rotating again, and the volume of the whole folding suspension 1 is reduced. The lifting legs 2 and the cantilever 12 are detachably connected, and the whole lifting device can be conveniently moved and installed in a limited space.

The folded arrangement of the folding suspension 1 facilitates passage through smaller orifices and rapid deployment.

As shown in fig. 1 and 2, the lifting device further includes a cantilever support 13, the cantilever support 13 is vertically fixed on the main beam 11, the cantilever 12 is rotatably connected with the cantilever support 13, in this embodiment, a rotating shaft is fixed on the cantilever support 13, as shown in fig. 3, a sleeve 14 is fixed at an end of the cantilever 12, the sleeve 14 is sleeved on the rotating shaft and can rotate around the rotating shaft, so that rotation of the cantilever 12 is realized, and the cantilever 12 rotates between the cantilever support 13 and the main beam 11. The cantilever support 13 is perpendicular to the main beam 11, and limits the rotation angle of the cantilever 12, so that the cantilever 12 can rotate within the range of 90 degrees and can be switched between the first state and the second state.

As shown in fig. 2 and 3, the cantilever support 13 is provided with a locking nose 15, the cantilever 12 is fixed with a locking nose 16 corresponding to the locking nose 15, and the locking nose 16 is inserted into the locking nose 15 to lock the cantilever 12 in the first state. In this embodiment, the locking lug 16 includes a locking ring and a bolt inserted into the locking ring, the locking ring is fixed on the side wall of the cantilever 12, when the cantilever 12 rotates to be perpendicular to the main beam 11, the cantilever 12 is parallel to the cantilever support 13, the locking ring is inserted into the locking hole 15, the bolt is inserted into the locking ring from the side of the cantilever support 13 far away from the cantilever 12, the cantilever 12 is prevented from rotating in the opposite direction, the locking hole 15 and the locking lug 16 cooperate to lock the cantilever 12 in the first state, and the stability of the cantilever 12 and the main beam 11 is ensured.

A hook 4 is fixed below the main beam 11 and/or the cantilever 12, and the hook 4 is used for hanging a device such as a chain block for lifting the equipment 8 to be installed and is used for lifting the equipment 8.

The sliding assembly 3 is used for carrying the device 8 and enabling the device 8 to slide relative to the space in which it is located. A plurality of sliding assemblies 3 are arranged on the moving path of the equipment 8 in the space to be installed, so that the equipment 8 does not contact the bottom plate of the space to be installed, the sliding assemblies 3 only slide to realize the movement in the space to be installed, and the damage to the bottom plate is avoided.

As shown in fig. 4, the sliding assembly 3 includes a frame 31, a plurality of idlers 32 and a fastening device 33, the idlers 32 are fixed on the frame 31 in parallel, the lowest point of the idlers 32 is higher than the bottom of the frame 31, the idlers 32 are kept at a certain distance from the bottom plate of the space to be installed, the direct contact between the equipment 8 and the bottom plate is avoided, and the damage to the bottom plate caused by the transportation of the equipment 8 is reduced. The highest point of the carrier roller 32 is higher than the top of the frame 31, the carrier roller 32 is rotatably connected with the frame 31, so that the device 8 drives the carrier roller 32 to rotate while moving, the resistance for pushing the device 8 is reduced, and the fastening device 33 is used for fixing the carrier roller 32 on the frame 31 and adjusting the rotation resistance of the carrier roller 32. The heavy and large equipment 8 is placed on the surface of the sliding assembly 3, thrust is applied to the outer side of the heavy and large equipment, and the equipment 8 and the carrier roller 32 move relatively. The slide assemblies 3 may be alternately arranged as required by the size of the equipment 8 and the transport route.

The top of frame 31 is seted up and is used for the draw-in groove 34 of joint bearing roller 32 tip, fastener 33 fixes the top at draw-in groove 34, fastener 33 includes fastening frame 331, fastening bolt 332 and damping part 333, fastening frame 331 is the type of falling U, and fixes in the top of draw-in groove 34, fastening frame and frame integrated into one piece, damping part 333 is arranged in bearing roller 32 tip top, fastening frame 331 below, the top of fastening frame 331 is seted up the screw hole, the tip that fastening bolt 332 precession screw hole supports on damping part 333. The downward pressure degree can be adjusted by adjusting the screwing distance of the fastening screw to the end part of the carrier roller 32, and further the rotation resistance of the damping block to the end part of the carrier roller 32 is adjusted.

Damping part 333 is the rubber block or the silica gel piece, and the recess that matches with bearing roller 32 tip shape is seted up to the bottom of damping part 333, avoids the indiscriminate of damping piece when bearing roller 32 rotates, stability when guaranteeing mobile device 8.

The tip of girder 11 is equipped with fork truck hole 5, and usable fork truck removes folding suspension 1, realizes treating the business turn over of installation space, the removal and the transportation of folding suspension 1 of being convenient for.

Cantilever 12 and lift landing leg 2 are pegged graft and are cooperated, and the bottom of cantilever 12 is equipped with the slot 6 that is used for pegging graft lift landing leg 2, and lift landing leg 2 can insert cantilever 12 bottom, convenient to detach installation. The overhead hoist of this embodiment is still including being used for running through slot 6 and lift landing leg 2's grafting locking piece 7, and grafting locking piece 7 can be L type round pin axle, and after lift landing leg 2 inserted in slot 6, inserts the L type round pin axle that runs through slot 6 and lift landing leg 2, fixes cantilever 12 and lift landing leg 2 together. Lifting support leg 2 mainly used girder 11 and cantilever 12 go up and down, when girder 11 and confined space top contact, can hang on couple 4 and establish chain block, provide the hoist and mount and hang the point.

In some embodiments, the lifting leg 2 comprises a lifting rod 21 and a base 23, and the base 23 is fixed at the bottom of the lifting rod 21, so that the contact area is increased, and the stress per unit area of the bottom plate of the space to be installed is reduced. The lifting rod 21 is a telescopic rod commonly used in the field, and can be conveniently moved in a limited space due to the scalability. The extension and retraction of the lifting rod 21 can be adjusted manually or by means of a power mechanism 22. As shown in fig. 1, the power mechanism 22 is fixed on the lower rod body of the lifting rod 21 for moving.

As shown in fig. 5, the using method of the lifting device for equipment 8 in the limited space of the embodiment is as follows:

(1) adjusting a fastening device 33 of the sliding assembly 3, adjusting the rotation resistance of the carrier roller 32, and transferring the carrier roller and the lifting support leg 2 into the square cabin 9;

(2) the cantilever 12 is parallel to the main beam 11, is in a second state and is firmly fixed by using a bolt fastener;

(3) a main beam 11 enters the square cabin 9 through a rear door hole by using a forklift;

(4) unfolding the cantilever 12 to enable the cantilever 12 to be perpendicular to the main beam 11 and fixing the cantilever with a cantilever support 13 by using a bolt;

(5) moving the lifting support legs 2 to be right below the suspension beam slots 6, lifting the lifting support legs 2 until the main beams 11 are in contact with the top plate of the shelter, and locking;

(6) depending on the size of the apparatus 8, an appropriate number of sliding assemblies 3 are placed on the path of movement of the apparatus 8;

(7) moving the equipment 8 to the orifice of the square cabin 9 by using external hoisting equipment (a travelling crane and the like), placing the equipment on the sliding assembly 3, and slowly moving the travelling crane until the equipment 8 completely enters the square cabin 9;

(8) manually pushing the side of the device 8 to move the device 8 on the sliding assembly 3 and push the device 8 to the installation position;

(9) the chain block is hung at the hook 4 of the main beam 11 or the cantilever 12, the equipment 8 is lifted, and the sliding component 3 is moved out;

(10) fine-tuning the position of the equipment 8, and taking down the chain block;

(11) operating a forklift hole 5 on a main beam 11 to expose an orifice of a square cabin 9, using a forklift to lift the main beam 11, detaching a lifting supporting leg 2 from a cantilever 12, separating the cantilever 12 from the cantilever 12, rotating the cantilever 12 to enable the cantilever 12 to be parallel to the main beam 11, fixing the cantilever 12 by using a bolt fastener, and moving the main beam 11 and the cantilever 12 out of the cabin;

(12) finally, the lifting support leg 2 is moved out;

(13) the device 8 is fixed in the capsule.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the terms "this embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and simple improvements made in the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A device hoisting device in a limited space is characterized by comprising a folding suspension (1), lifting legs (2) and a sliding assembly (3),

the lifting support leg (2) is supported below the folding suspension frame (1), the folding suspension frame (1) comprises a main beam (11) and a plurality of groups of cantilevers, the plurality of groups of cantilevers are distributed along the length direction of the main beam (11), each group of cantilevers comprises cantilevers (12) symmetrically distributed on two sides of the main beam (11), one end of each cantilever (12) is rotatably connected with the main beam (11), the other end of each cantilever (12) is detachably connected with the lifting support leg (2), each cantilever (12) comprises a first state perpendicular to the main beam (11) and a second state parallel to the main beam (11), and a hook (4) is fixed below the main beam (11) and/or each cantilever (12),

the sliding assembly (3) is used for carrying the equipment (8) and enabling the equipment (8) to slide relative to the space.

2. The device hoisting device in the limited space according to claim 1, further comprising a cantilever support (13), wherein the cantilever support (13) is vertically fixed on the main beam (11), the cantilever (12) is rotatably connected with the cantilever support (13), and the cantilever (12) rotates between the cantilever support (13) and the main beam (11).

3. The device lifting and transporting device in the limited space according to claim 2, wherein the cantilever support (13) is provided with a locking nose hole (15), the cantilever (12) is fixed with a locking nose (16) corresponding to the locking nose hole (15), and the locking nose (16) is inserted into the locking nose hole (15) to lock the cantilever (12) in the first state.

4. The equipment lifting device for confined spaces according to any one of claims 1 to 3, further comprising a fastener for fastening the boom (12) and the main beam (11) when the boom (12) is in the second state.

5. An equipment lifting device in a confined space according to claim 1 wherein the slide assemblies (3) include a frame (31), idlers (32) and fastening means (33), a plurality of idlers (32) being fixed in parallel on the frame (31), the idlers (32) having a lowest point higher than the bottom of the frame (31), the idlers (32) having a highest point higher than the top of the frame (31), the idlers (32) being rotatably connected to the frame (31), the fastening means (33) being for fixing the idlers (32) on the frame (31) and adjusting the rotational resistance of the idlers (32).

6. The device hoisting device in the limited space according to claim 5, wherein a clamping groove (34) for clamping the end part of the carrier roller (32) is formed in the top of the frame (31), the fastening device (33) is fixed above the clamping groove (34), the fastening device (33) comprises a fastening frame (331), a fastening bolt (332) and a damping piece (333), the fastening frame (331) is in an inverted U shape and is fixed above the clamping groove (34), the damping piece (333) is arranged above the end part of the carrier roller (32) and below the fastening frame (331), a threaded hole is formed in the top of the fastening frame (331), and the end part of the threaded hole screwed in the fastening bolt (332) abuts against the damping piece (333).

7. The device lifting device for the equipment in the limited space according to claim 6, wherein the damping piece (333) is a rubber block or a silica gel block, and a groove matched with the end part of the carrier roller (32) in shape is formed at the bottom of the damping piece (333).

8. The device lifting device for equipment in a limited space according to claim 1, wherein the end of the main beam (11) is provided with a forklift hole (5).

9. The device hoisting device in the limited space according to claim 1, wherein the cantilever (12) is in plug fit with the lifting leg (2), and the bottom of the cantilever (12) is provided with a slot (6) for plugging the lifting leg (2).

10. The device crane in confined space according to claim 9, characterized in that it further comprises a plug lock (7) for penetrating the slot (6) and the lifting legs (2).