CN217076765U - Hoisting device for construction of hollow truss structure - Google Patents

Abstract

The utility model relates to the technical field of hollow truss hoisting, and discloses a hoisting device for hollow truss structure construction, which comprises a base, wherein the top of the base is rotatably connected with a support rod through a bearing; the utility model discloses a hold with the hand and change and rotate, change and to drive the two-way threaded rod under the cooperation that can pass through the bearing when rotating and rotate, the two-way threaded rod can drive the thread piece and remove under the cooperation of guide rail and guide block when rotatory, can fix the empty stomach truss structure of different specifications, the stability of empty stomach truss structure hoist and mount has been improved, high in practicability, simultaneously, pass through starter motor, the motor can pass through the bearing after the start, the cooperation of limiting plate and gusset plate drives the bracing piece and rotates under, the bracing piece can drive the roof when rotatory and rotate, can realize that automatic orientation to the device is rotatory, the work efficiency of staff has been improved, and the labor intensity is lightened.

Description

Hoisting device for construction of hollow truss structure

Technical Field

The utility model relates to a truss hoist and mount technical field on an empty stomach specifically is a hoist device is used in truss structure construction on an empty stomach.

Background

The hollow truss is composed of an upper chord member, a lower chord member and a straight web member, no oblique web member exists, when the truss bears load, the upper chord member is pressed, the lower chord member is pulled, the middle part is hardly stressed, in order to give full play to the mechanical property of materials and reduce the consumption and the manufacturing cost of the materials, the middle part of the truss can be made hollow, namely the hollow truss, a hoisting device is needed in the construction process of the hollow truss structure, the existing hoisting device has single function and no automatic rotation function, when the hollow truss is hoisted, the hollow truss is generally hoisted firstly and then is rotated by a roller driving device below through a manual pushing device, the hoisting efficiency of the hollow truss structure is greatly reduced, the workload of workers is increased, the stability is poor, the hollow truss cannot be effectively fixed, and the hollow truss can shake when being hoisted, if the shaking amplitude is too large, the device can easily impact other objects and cause damage, and the practicability of the device is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist device is used in construction of truss structure on an empty stomach, possessed and to have realized the advantage that autogiration and stability are high, solved current hoist device comparatively inconvenient and produce the problem of rocking by a wide margin easily when needs are rotatory.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hoist device is used in construction of truss on an empty stomach structure, includes the base, the top of base is rotated through the bearing and is connected with the bracing piece, the bottom of bracing piece extends to the inside of base and fixed the cup joint has the motor, the top bolt of bracing piece has the roof, the bottom of roof is provided with the casing, the bolt has hydraulic telescoping rod between the top of casing and the roof, the inside of casing rotates through the bearing and is connected with two-way threaded rod, two-way threaded rod's surperficial threaded connection has two thread blocks, the bottom bolt of thread block has splint, the sliding tray that uses with splint cooperation is seted up to the bottom of casing.

Preferably, the surface of the motor is fixedly sleeved with an annular plate, and two connecting plates are bolted between the bottom of the annular plate and the shell.

Preferably, a limiting plate is sleeved on the surface of the supporting rod and above the base, and two reinforcing plates are bolted between the bottom of the limiting plate and the base.

Preferably, the inside of the housing is bolted with a guide rail, and the top of the thread block is bolted with a guide block which is in sliding connection with the guide rail.

Preferably, one end of the bidirectional threaded rod extends to the outside of the shell and is bolted with a rotating handle.

Preferably, two heat dissipation grooves are formed in the front face of the shell, and the dust screen is bonded inside the heat dissipation grooves.

Preferably, universal wheels are symmetrically bolted to two sides of the bottom of the base, and brake pads are mounted on the surfaces of the universal wheels.

Preferably, the top of the base is symmetrically bolted with a push handle.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a hold the twist grip with the hand and rotate, the twist grip can drive the two-way threaded rod to rotate through the cooperation of bearing when rotating, the two-way threaded rod can drive the screw thread piece to move through the cooperation of guide rail and guide block when rotating, can fix the empty stomach truss structure of different specifications, improved the stability of empty stomach truss structure hoist and mount, the practicality is high;

the utility model discloses a starter motor, motor can drive the bracing piece and rotate under the cooperation of bearing, limiting plate and gusset plate after the start-up, and the bracing piece can drive the roof when rotatory and rotate, can realize that automatic orientation to the device is rotatory, has improved staff's work efficiency, has alleviateed intensity of labour.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic front sectional view of the structure of the present invention;

fig. 3 is a right side cross-sectional enlarged schematic view of the housing of the present invention.

In the figure: 1. a base; 2. a support bar; 3. a motor; 4. a top plate; 5. a housing; 6. a hydraulic telescopic rod; 7. a bidirectional threaded rod; 8. a thread block; 9. a splint; 10. an annular plate; 11. a limiting plate; 12. a reinforcing plate; 13. a guide rail; 14. a guide block; 15. turning a handle; 16. a heat sink; 17. a dust screen; 18. a universal wheel; 19. a pushing handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a hoisting device for construction of a hollow truss structure comprises a base 1, the top of the base 1 is rotatably connected with a support rod 2 through a bearing, the bottom end of the support rod 2 extends into the base 1 and is fixedly sleeved with a motor 3, the top end of the support rod 2 is bolted with a top plate 4, the bottom of the top plate 4 is provided with a shell 5, a hydraulic telescopic rod 6 is bolted between the top of the shell 5 and the top plate 4, the interior of the shell 5 is rotatably connected with a bidirectional threaded rod 7 through a bearing, the surface of the bidirectional threaded rod 7 is in threaded connection with two threaded blocks 8, the bottom of the threaded block 8 is in bolted connection with a clamping plate 9, the bottom of the shell 5 is provided with a sliding groove matched with the clamping plate 9 for use, the rotating handle 15 is held by hand to rotate, the rotating handle 15 drives the bidirectional threaded rod 7 to rotate through the cooperation of the bearing when rotating, the bidirectional threaded rod 7 drives the threaded block 8 to move through the cooperation of a guide rail 13 and a guide block 14 when rotating, can fix the empty stomach truss structure of different specifications, improved the stability of empty stomach truss structure hoist and mount, the practicality is high, simultaneously through starter motor 3, motor 3 can drive bracing piece 2 and rotate under the cooperation of bearing, limiting plate 11 and gusset plate 12 after the start-up, bracing piece 2 can drive roof 4 and rotate when rotatory, can realize that automatic orientation to the device is rotatory, has improved staff's work efficiency, has alleviateed intensity of labour.

Further, the fixed surface of motor 3 has cup jointed annular plate 10, and the bolt has two connecting plates between the bottom of annular plate 10 and the casing 5, through the setting of annular plate 10 and connecting plate, can fix motor 3, prevents that motor 3 from dropping at the operation in-process.

Further, the surface of bracing piece 2 is equipped with limiting plate 11 in the top cover that is located base 1, and the bolt has two gusset plates 12 between the bottom of limiting plate 11 and the base 1, and setting through limiting plate 11 and gusset plate 12 can be consolidated spacing to bracing piece 2, prevents that slope from appearing in bracing piece 2.

Furthermore, a guide rail 13 is bolted in the shell 5, a guide block 14 in sliding connection with the guide rail 13 is bolted on the top of the thread block 8, and the thread block 8 can be limited by the arrangement of the guide rail 13 and the guide block 14, so that the phenomenon that the thread block 8 overturns in the moving process is prevented.

Furthermore, one end of the bidirectional threaded rod 7 extends to the outside of the shell 5 and is bolted with a rotating handle 15, and through the arrangement of the rotating handle 15, the bidirectional threaded rod 7 can be rotated more conveniently by workers when needed.

Further, two radiating grooves 16 have been seted up in the front of casing 5, and radiating groove 16's inside bonds and has dust screen 17, through the setting of radiating groove 16 and dust screen 17, can protect motor 3, prevents that the dust in the air from falling into motor 3 surface and influencing its heat dissipation.

Further, the both sides of base 1 bottom all symmetry bolt joint have universal wheel 18, and the surface mounting of universal wheel 18 has the brake block, through the setting of universal wheel 18, can be more laborsaving when needs move the device.

Furthermore, the top of the base 1 is symmetrically bolted with a pushing handle 19, and the pushing handle 19 can be arranged more conveniently when the device is pushed by workers.

The working principle is as follows: when the hollow truss structure needs to be hoisted, firstly, the device is pushed to enable the shell 5 to be located above the hollow truss, then the hydraulic telescopic rod 6 is started, the hydraulic telescopic rod 6 can drive the shell 5 to move downwards when being started, the rotating handle 15 is held by hand to rotate after the shell 5 moves downwards to a proper height, the rotating handle 15 can drive the bidirectional threaded rod 7 to rotate through the cooperation of the bearing when rotating, the bidirectional threaded rod 7 can drive the threaded block 8 to move through the cooperation of the guide rail 13 and the guide block 14 when rotating, the threaded block 8 can drive the clamping plates 9 to clamp the hollow truss when moving, the hydraulic telescopic rod 6 is started to lift the hollow truss after the two clamping plates 9 clamp the hollow truss, the motor 3 is started when the position where the hollow truss needs to be dropped is rotated, the motor 3 can drive the supporting rod 2 to rotate through the cooperation of the bearing, the limiting plate 11 and the reinforcing plate 12 after being started, the supporting rod 2 can drive the top plate 4 to rotate when rotating, and the top plate 4 can drive the shell 5 to rotate together when rotating.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a hoist device is used in construction of vierendeel truss structure, includes base (1), its characterized in that: the top of base (1) is rotated through the bearing and is connected with bracing piece (2), the bottom of bracing piece (2) extends to the inside of base (1) and fixed the cup joint has motor (3), the top bolt of bracing piece (2) has roof (4), the bottom of roof (4) is provided with casing (5), the bolt joint has hydraulic telescoping rod (6) between the top of casing (5) and roof (4), the inside of casing (5) is rotated through the bearing and is connected with two-way threaded rod (7), the surface threaded connection of two-way threaded rod (7) has two thread blocks (8), the bottom bolt of thread block (8) has splint (9), the sliding tray that uses with splint (9) cooperation is seted up to the bottom of casing (5).

2. The hoisting device for constructing the open-web truss structure as claimed in claim 1, wherein: the surface of the motor (3) is fixedly sleeved with an annular plate (10), and two connecting plates are bolted between the bottom of the annular plate (10) and the shell (5).

3. The hoisting device for constructing the open-web truss structure as claimed in claim 1, wherein: the surface of bracing piece (2) is equipped with limiting plate (11) and is located the top cover of base (1), it has two gusset plates (12) to have bolted between the bottom of limiting plate (11) and base (1).

4. The hoisting device for constructing the open-web truss structure as claimed in claim 1, wherein: the inside bolt of casing (5) has connect guide rail (13), the top bolt of screw thread piece (8) has connect with guide rail (13) sliding connection's guide block (14).

5. The hoisting device for constructing the open-web truss structure as claimed in claim 1, wherein: one end of the bidirectional threaded rod (7) extends to the outside of the shell (5) and is bolted with a rotating handle (15).

6. The hoisting device for construction of the open-web truss structure as claimed in claim 1, wherein: two heat dissipation grooves (16) are formed in the front face of the shell (5), and a dustproof net (17) is bonded inside each heat dissipation groove (16).

7. The hoisting device for construction of the open-web truss structure as claimed in claim 1, wherein: the universal wheels (18) are symmetrically bolted to two sides of the bottom of the base (1), and brake pads are mounted on the surfaces of the universal wheels (18).

8. The hoisting device for construction of the open-web truss structure as claimed in claim 1, wherein: the top of the base (1) is symmetrically bolted with push handles (19).

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