CN213171086U

CN213171086U - Repeatedly usable's lifting device

Info

Publication number: CN213171086U
Application number: CN202021921567.XU
Authority: CN
Inventors: 陈劭光
Original assignee: Jingding Steel Structure Technology Shanghai Co Ltd
Current assignee: Jingding Steel Structure Technology Shanghai Co Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-05-11
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a repeatedly usable's lifting device, it includes clamping part, hoist and mount portion and is used for holding in the palm the portion of holding of just fixed clamping part, and the clamping part includes centre gripping bedplate, vertical wear to establish and fixed connection locates adjusting screw's clamping plate in the adjusting screw and the cover of centre gripping bedplate, adjusting screw symmetry sets up on the centre gripping bedplate, adjusting screw and the below that is located the centre gripping bedplate are located to the clamping plate cover, the longitudinal section of clamping plate is oval, adjusting screw wears to locate the focus of clamping plate, the portion of holding includes threaded connection's adjusting nut on adjusting screw, adjusting nut is located the below of clamping plate, hoist and mount portion is including the lug that is fixed in centre gripping bedplate center, the lug is located the top of centre gripping bedplate. This application has the effect that improves lifting device's suitability.

Description

Repeatedly usable's lifting device

Technical Field

The application relates to the technical field of channel steel hoisting, in particular to a hoisting tool capable of being repeatedly used.

Background

At present, the hoist and mount of original H shaped steel roof beam adopts and directly welds a connecting plate in the 3 minute point positions of roof beam and hoists, need process the panel this moment, cuts out a diameter hole about 50mm on the panel, and the periphery in hole need polish and polish in order to reach not only pleasing to the eye but also to the purpose that the hoist harm is little, lets the welder weld the connecting plate at last, hoists the connecting plate through this kind of mode and has certain difficulty to the loading transportation of roof beam.

The patent with publication number CN103832924A discloses an I-steel lifting device, including the lifting device body, rings and two inserted bars, the lifting device body is the groove type structure of opening decurrent, the opening size of this groove type structure and the width adaptation of the I-steel of hoist, be equipped with rings at the up end of lifting device body, the both sides of lifting device body respectively are equipped with at least one jack, insert the inserted bar respectively in the jack on the lifting device body during hoist, the inserted bar chucking I-steel by oneself of hoisting in-process, take out the inserted bar when falling.

With respect to the related art among the above, the inventors consider that the following disadvantages exist: the technology only aims at the I-shaped steel with the specific width of the flange plate, and the applicability is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to improve lifting device's suitability, this application provides a repeatedly usable lifting device.

The application provides a repeatedly usable's lifting device adopts following technical scheme:

the utility model provides a repeatedly usable's lifting device, includes clamping part, hoist and mount portion and is used for holding and holds the portion of holding in the support of fixed clamping part, and the clamping part includes centre gripping bedplate, vertical wear to establish and fixed connection locates adjusting screw's clamping plate in the adjusting screw and the cover of centre gripping bedplate, adjusting screw symmetry sets up on the centre gripping bedplate, the clamping plate cover is located adjusting screw and is located the below of centre gripping bedplate, the longitudinal section of clamping plate is oval, adjusting screw wears to locate the focus of clamping plate, the portion of holding includes threaded connection the adjusting nut on adjusting screw, adjusting nut is located the below of clamping plate, hoist and mount portion is including being fixed in the lug at centre gripping bedplate center, the lug is located the top of centre gripping bedplate.

Through adopting above-mentioned technical scheme, the adjusting screw is located to the grip block cover, can carry out vertical slip in order to adapt to the flange board of the I-steel of different thickness, horizontal rotation also can be done to the grip block simultaneously, the grip block after the rotation can the butt in the web of I-steel, the grip block board carries out centre gripping flange board with the grip block of its below, adjusting nut threaded connection below the grip block can hold in the palm the grip block and spacing in adjusting screw, to the I-steel of unidimensional, the grip block can adapt to, the adaptability strengthens greatly.

Preferably, a reinforcing mechanism is arranged below the clamping plate and comprises a reinforcing sleeve and a reinforcing rib plate, the reinforcing sleeve is fixed below the clamping plate, the reinforcing rib plate is respectively fixed on the reinforcing sleeve and the clamping plate, one end of the reinforcing sleeve is fixed on the clamping plate, and the adjusting nut is located below the reinforcing sleeve.

Through adopting above-mentioned technical scheme, deep floor can hold in the palm of grip block to reduce the grip block and receive the vertical buckling deformation that channel-section steel gravity caused, the joint strength that can lengthen deep floor on the deep sleeve is fixed in the grip block.

Preferably, a locking mechanism is arranged between the reinforcing sleeve and the adjusting nut, the locking mechanism comprises a locking ring, mutually meshed locking teeth are arranged on opposite surfaces of the locking ring and the reinforcing sleeve, a vertically extending key groove is formed in the axial direction of the adjusting screw, key blocks matched with the key grooves are respectively fixed on the annular surface of one side of the locking ring towards the center of the locking ring, the key blocks are connected to the key grooves in a sliding mode, and the adjusting nut abuts against the locking ring.

Through adopting above-mentioned technical scheme, locking mechanical system can prescribe a limit to the rotation of grip block, reduces in handling, and the grip block with for the displacement of I-steel, the locking tooth intermeshing of strengthening sleeve and locking ring looks side, and the cooperation of the locking key piece on the reunion locking ring and keyway can reduce the rotation of grip block in handling.

Preferably, a reinforcing nut is arranged at the lower end of the adjusting nut, and the reinforcing nut is in threaded connection with the adjusting screw rod.

Through adopting above-mentioned technical scheme, be provided with the reinforcement nut in adjustment nut's below, form two nut structures between adjustment nut and the reinforcement nut and can reduce the not hard up possibility of adjustment nut, guarantee the centre gripping effect as far as.

Preferably, the clamping plate and the clamping seat plate are provided with elastic friction layers on opposite sides.

Through adopting above-mentioned technical scheme, in hoist and mount handling, because the operation reason, the I-steel probably inclines in the air, takes place the relative displacement between I-steel and the grip block, consequently is fixed with elastic friction layer on grip block and grip block board opposite side to increase the frictional force of friction I-steel and this application, reduce the appearance of the relative displacement of the two.

Preferably, two clamping plates are provided with reinforcing mechanisms, each reinforcing mechanism comprises a reinforcing rod and a rotating seat, one end of each reinforcing rod is provided with a thread and is called a threaded end, the lower portion of each clamping plate is rotatably connected with the corresponding rotating seat, one rotating seat is provided with a jack, the other rotating seat is provided with a threaded hole, the jacks and the threaded holes are coaxially arranged, the jacks do not penetrate through the rotating seats, the threaded ends of the reinforcing rods are in threaded connection with the threaded holes, and the other ends of the reinforcing rods are inserted into the jacks.

Through adopting above-mentioned technical scheme, at the I-steel handling in-process, the atress between the locking tooth is great, and wearing and tearing are more serious, and the reinforcing mechanism who sets up can reduce the wearing and tearing of locking tooth, and the stiffening rod is pegged graft on rotating the seat, consolidates and can reach the extension or shorten between a section of thick bamboo and two stiffening rods to the stiffening rod supports to reach the effect that promotes two grip blocks in rotating the seat, makes two stiffening blocks better to the clamping action of the web of I-steel, also relative reduction the atress of locking tooth.

Preferably, a rotating handle is fixed to the threaded end of the reinforcing rod, and the rotating handle is arranged perpendicular to the reinforcing rod.

Through adopting above-mentioned technical scheme, for the staff screws up the anchor strut in order to make things convenient for, fixed rotatory handle is served at the screw thread of anchor strut, and the rotatory handle can directly be screwed up to the people hand makes faster the support of support in rotating the seat of anchor strut.

Preferably, a chamfer is arranged on one side edge of the clamping plate facing the clamping seat plate.

Through adopting above-mentioned technical scheme, when this application is used in the installation, in order to carry out better installation with the I-steel, carry out the chamfer at the border of the attached flange board of grip block and handle, can guide the I-steel to get into between grip block and the centre gripping bedplate.

In summary, the present application includes at least one of the following beneficial technical effects: this application is through the web of rotatory grip block laminating I-steel, can hold the flange board of I-steel one side between grip block and the centre gripping bedplate simultaneously, installs this application in the both ends of I-steel, and the staff hoists through lifting device connection lug, and the not unidimensional flange board of centre gripping not can be slided to horizontal rotation of utilization and vertical that the grip block can the at utmost, the relative preferred of adaptability.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic illustration of a partial explosion of the present application;

FIG. 3 is a schematic view of the locking ring structure of the present application;

fig. 4 is a schematic structural view of the reinforcing mechanism of the present application.

Description of reference numerals: 1. a clamping portion; 11. a clamping seat plate; 12. adjusting the screw rod; 13. a clamping plate; 14. a friction layer; 2. a hoisting part; 21. lifting lugs; 3. a holding section; 31. adjusting the nut; 32. reinforcing the nut; 4. a reinforcing mechanism; 41. a reinforcing sleeve; 42. reinforcing rib plates; 43. a locking ring; 431. a key block; 44. a locking tooth; 5. a reinforcement mechanism; 51. a reinforcing rod; 52. a rotating seat; 53. the handle is rotated.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses repeatedly usable's lifting device. Referring to fig. 1, including clamping part 1, hoist and mount portion 2 and be used for holding in the palm the portion 3 of holding of just fixed clamping part, clamping part 1 includes centre gripping bedplate 11, centre gripping bedplate 11 goes up the symmetry and wears to establish and is fixed with two adjusting screw 12, be provided with grip block 13 in centre gripping bedplate 11's below, the longitudinal section of grip block 13 is oval, adjusting screw 12 wears to locate the focus department of grip block 13, hold in the palm portion 3 and include threaded connection in adjusting screw 12's adjusting nut 31, adjusting nut 31 sets up in the below of grip block 13, hoist and mount portion 2 includes the lug 21 of fixing in centre gripping bedplate 11's top, lug 21 is located the center of the side surface on the centre gripping bedplate 11, be fixed with the mounting panel on adjusting screw 12's the outer wall, wear to be equipped with mounting bolt on the mounting panel, mounting bolt threaded connection is in centre.

The interval between the clamping plate 13 and the clamping seat plate 11 is used for accommodating flange plates of the I-steel, meanwhile, the clamping plate 13 is sleeved on the adjusting screw 12, so that transverse rotation and vertical sliding can be realized, and the two rotating clamping plates 13 can abut against webs of the I-steel with different sizes, so that the clamping effect of the clamping plate 13 on the I-steel is completed; when the oval clamping plate is clamped, the contact area between the oval clamping plate and the flange plate is larger than that of the rectangular clamping plate 13, so that the clamping and supporting effects are relatively better; the worker can finish the hoisting purpose by connecting the lifting lug 21 to the hoisting equipment.

Be provided with the chamfer on grip block 13 towards one side border of grip block 11, after adjusting grip block 13, can install the interval that the grip block 13 that gets into this application and grip block 11 with the flange board slides through adjusting nut 31 that becomes flexible slightly, can save a large amount of time.

Referring to fig. 1 and 2, a reinforcing mechanism 4 for improving the strength of the clamping plate 13 is fixed below the clamping plate 13, the reinforcing mechanism 4 includes a reinforcing sleeve 41 fixed on the lower side of the clamping plate 13, the reinforcing sleeve 41 is sleeved on the adjusting screw 12, a reinforcing rib plate 42 is fixed between the reinforcing sleeve 41 and the clamping plate 13, and the adjusting nut 31 is located below the reinforcing sleeve 41 and can complete the supporting function of the reinforcing sleeve 41 through rotation; the vertical deformation of the clamping plate 13 can be reduced by the matching of the reinforcing rib plate 42 and the reinforcing sleeve 41, and the adverse effect of the deformed clamping plate 13 on the clamping effect is reduced.

Referring to fig. 2 and 3, a locking mechanism is disposed between the reinforcing sleeve 41 and the adjusting nut 31, the locking mechanism includes a locking ring 43 sleeved on the adjusting nut 31, locking teeth 44 engaged with each other are respectively disposed on opposite sides of the locking ring 43 and the reinforcing sleeve 41, a plurality of key blocks 431 are fixed on a side ring surface of the locking ring 43 facing to the center thereof, a key groove is formed on the adjusting screw 12, an opening direction of the key groove deviates from a central axis of the locking ring 43, the key groove extends along a length direction of the adjusting screw 12, the key blocks 431 are slidably connected to the key groove, and the adjusting nut 31 abuts against the locking ring 43.

The adjusting nut 31 is screwed upwards to abut against the locking ring 43, and the key block 431 on the locking ring 43 is slidably connected with the key groove, and the key groove and the key block 431 enable the locking ring 43 not to rotate; the locking teeth 44 on the upper side of the locking ring 43 are meshed with the locking teeth 44 on the reinforcing sleeve 41, and the rotation of the reinforcing sleeve 41 is limited at the moment, so that the rotation of the clamping plate 13 is limited indirectly, the relative displacement between the clamping plate 13 and the I-shaped steel can be effectively reduced in the lifting process, and the clamping effect is enhanced.

The reinforcing nut 32 is arranged below the adjusting nut 31, the reinforcing nut 32 is in threaded connection with the adjusting screw 12, and a double-nut structure is formed between the reinforcing nut 32 and the adjusting nut 31, so that the loosening condition of the adjusting nut 31 can be effectively reduced.

Elastic friction layers 14 are arranged on one opposite sides of the clamping plate 13 and the clamping seat plate 11, the friction force between the clamping plate 13 and the flange plate of the I-steel can be increased by the friction layers 14, the clamping seat plate 11 and the flange plate of the I-steel at the same time, the sliding phenomenon caused by certain deviation of the I-steel in the hoisting process is reduced, the safety accidents are reduced, meanwhile, the elastic friction layers 14 can make up gaps between the clamping plate 13 and the clamping seat plate 11 and the I-steel respectively, and the clamping effect is enhanced.

Referring to fig. 2 and 4, this application still includes the strengthening mechanism 5 that sets up respectively in two opposite sides of grip block 13, strengthening mechanism 5 is including setting up rotation seat 52 and gusset rod 51 on grip block 13 respectively, it rotates to rotate seat 52 and connects in grip block 13, a rotation seat 52 is last to have seted up the jack, another rotates and sets up threaded hole on the seat, jack and the coaxial setting of screw hole, be provided with and wear to locate two gusset rods 51 on rotating seat 52 simultaneously, the one end of gusset rod 51 is provided with the screw thread, the screw thread end threaded connection of gusset rod 51 is in the rotation seat 52 of seting up threaded hole, the other end of gusset rod 51 is pegged graft in the rotation seat 52 of seting up the jack, the screw thread on the gusset rod 51 is served and is fixed with rotatory handle 53, rotatory handle 53 is perpendicular to the.

This application is installed in the both ends of I-steel, the one end of the anchor strut 51 in the strengthening mechanism 5 is pegged graft in the jack, other end threaded connection is in the screw hole, at this moment, staff's rotatory handle 53 can adjust the length of the anchor strut 51 between two grip blocks 13, the anchor strut 51 supports and supports in two rotation seats 52, thereby indirect support in two grip blocks 13, reduce the relative movement between two grip blocks 13, thereby share the atress of locking tooth 44, reduce the wearing and tearing of locking tooth 44, also can be to the slip of restriction I-steel along its length direction simultaneously.

The implementation principle of the reusable hoisting tool in the embodiment of the application is as follows:

1. the flange plates with different widths are supported by rotating the clamping plates 13, the flange plates with different thicknesses are clamped by vertically sliding the clamping plates 13, the adjusting nuts 31 are used for vertically supporting the clamping plates 13, and the locking rings 43 are used for limiting the rotation of the clamping plates 13;

2. in the clamping process, the reinforcing rod 51 in the reinforcing mechanism 5 supports the two clamping plates 13;

3. meanwhile, in order to increase the stability of the I-shaped steel during hoisting, the friction layer 14 is arranged to increase the resistance so as to reduce the slippage of the I-shaped steel and enhance the safety guarantee.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A repeatedly usable's lifting device which characterized in that: comprises a clamping part (1), a hoisting part (2) and a supporting part (3) for supporting and fixing the clamping part (1), wherein the clamping part (1) comprises a clamping seat plate (11), an adjusting screw rod (12) vertically penetrated and fixedly connected with the clamping seat plate (11) and a clamping plate (13) sleeved on the adjusting screw rod (12), the adjusting screw rod (12) is symmetrically arranged on the clamping seat plate (11), the clamping plate (13) is sleeved on the adjusting screw rod (12) and positioned below the clamping seat plate (11), the longitudinal section of the clamping plate (13) is oval, the adjusting screw rod (12) penetrates through the focus of the clamping plate (13), the supporting part (3) comprises an adjusting nut (31) in threaded connection with the adjusting screw rod (12), the adjusting nut (31) is positioned below the clamping plate (13), the hoisting lug (2) comprises a lifting lug (21) fixed at the center of the clamping seat plate (11), the lifting lug (21) is positioned above the clamping seat plate (11).

2. A reusable lifting tool as claimed in claim 1, characterized in that: the clamping device is characterized in that a reinforcing mechanism (4) is arranged below the clamping plate (13), the reinforcing mechanism (4) comprises a reinforcing sleeve (41) and reinforcing rib plates (42), the reinforcing sleeve (41) is fixed below the clamping plate (13), the reinforcing rib plates (42) are respectively fixed on the reinforcing sleeve (41) and the clamping plate (13), one end of the reinforcing sleeve (41) is fixed on the clamping plate (13), and the adjusting nut (31) is located below the reinforcing sleeve (41).

3. A reusable lifting tool as claimed in claim 2, characterized in that: be provided with locking mechanical system between strengthening sleeve (41) and adjusting nut (31), locking mechanical system includes locking ring (43), be provided with locking tooth (44) of intermeshing on the relative face of locking ring (43) and strengthening sleeve (41), seted up vertical extension keyway in adjusting screw (12) axial, be fixed with key piece (431) that are adapted to the keyway on locking ring (43) one side anchor ring towards its center respectively, key piece (431) slide to be connected in the keyway, adjusting nut (31) butt in locking ring (43).

4. A reusable lifting tool as claimed in claim 3, wherein: and a reinforcing nut (32) is arranged at the lower end of the adjusting nut (31), and the reinforcing nut (32) is in threaded connection with the adjusting screw rod (12).

5. A reusable lifting tool as claimed in claim 4, wherein: elastic friction layers (14) are arranged on the opposite sides of the clamping plate (13) and the clamping seat plate (11).

6. A reusable lifting tool as claimed in claim 5, wherein: the two clamping plates (13) are provided with reinforcing mechanisms (5), each reinforcing mechanism (5) comprises a reinforcing rod (51) and a rotating seat (52), one end of each reinforcing rod (51) is provided with a thread and is called a threaded end, the lower portion of each clamping plate (13) is rotatably connected with the corresponding rotating seat (52), one rotating seat (52) is provided with a jack, the other rotating seat (52) is provided with a threaded hole, the jack and the threaded hole are coaxially arranged, the jack does not penetrate through the corresponding rotating seat (52), the threaded end of each reinforcing rod (51) is in threaded connection with the corresponding threaded hole, and the other end of each reinforcing rod (51) is inserted into the jack in a inserting mode.

7. A reusable lifting tool as claimed in claim 6, wherein: a rotating handle (53) is fixed on the threaded end of the reinforcing rod (51), and the rotating handle (53) is arranged perpendicular to the reinforcing rod (51).

8. A reusable lifting tool as claimed in claim 7, wherein: and a chamfer is arranged on one side edge of the clamping plate (13) facing the clamping seat plate (11).