CN212893467U - Lifting appliance used under limited lifting height - Google Patents

Lifting appliance used under limited lifting height Download PDF

Info

Publication number
CN212893467U
CN212893467U CN202020826786.3U CN202020826786U CN212893467U CN 212893467 U CN212893467 U CN 212893467U CN 202020826786 U CN202020826786 U CN 202020826786U CN 212893467 U CN212893467 U CN 212893467U
Authority
CN
China
Prior art keywords
lifting
hoist
main
lug
height
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020826786.3U
Other languages
Chinese (zh)
Inventor
朱利强
丁柏强
郑军
李书闯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MCC Tiangong Group Tianjin Corp Ltd
Original Assignee
MCC Tiangong Group Tianjin Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MCC Tiangong Group Tianjin Corp Ltd filed Critical MCC Tiangong Group Tianjin Corp Ltd
Priority to CN202020826786.3U priority Critical patent/CN212893467U/en
Application granted granted Critical
Publication of CN212893467U publication Critical patent/CN212893467U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Load-Engaging Elements For Cranes (AREA)

Abstract

The utility model discloses a hoist that uses under hoist and mount height is limited, including the hoist body, the top central point of hoist body puts the main lug that is fixed with a pair of interval setting, has seted up the pinhole on the main lug, wears to be equipped with in the pinhole with hoist and mount main hook complex round pin axle, still is fixed with quantity on the hoist body and is hung the same vice lug of some quantity on the thing, vice lug central point puts having seted up vice lug hole, the line perpendicular to horizontal plane of the center of vice lug hole and hoisting point. The utility model provides a hoist and mount in-process, save wire rope's height, directly use the snap ring to connect, need not increase hoist and mount machinery lectotype under the highly limited condition, this hoist simple manufacture, hoist and mount preparation time is short, easy operation, and the rate of reuse is high, and the same or similar operating mode all can be used, has realized cost reduction and efficiency improvement.

Description

Lifting appliance used under limited lifting height
Technical Field
The utility model relates to a jack-up hoist and mount among the building engineering technical field especially relates to a hoist that uses under hoist and mount height is limited.
Background
In the building industry, hoisting operation is more, steel wire ropes or hoisting belts are often used for installation, in order to ensure safety, the included angle of the steel wire ropes or the hoisting belts is often not more than 60 degrees, so that the height of a lifting appliance is larger, the situation that the installation height of a lifted object exceeds the height limit of a lifting machine is inevitable, other hoisting methods must be adopted, such as increasing the lifting height by using a large machine, adopting a double-car lifting crane, lifting the lifted object by relieving the limbs and the like, and the cost is increased in the aspects of construction machinery, personnel, materials and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a hoist that uses under hoist and mount height is limited, solves under the limited circumstances of hoist and mount height, uses conventional wire rope hoist and mount contained angle too big to have the potential safety hazard, and the hoist and mount mode of traditional substitution has increased the problem of cost in the aspect of construction machinery, personnel, material etc..
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a hoist that uses under hoist and mount height is restricted, including a hoist body that is regular shape, the top central point of hoist body puts and is fixed with the main lug that a pair of interval set up, the pinhole has been seted up on the main lug, wear to be equipped with in the pinhole and hoist main hook complex round pin axle, the round pin axle is located the part between two main lugs the center line of part lies in the hoist body, the center line of the round pin axle of wearing to establish under the pinhole state is perpendicular with the center line of hoist body, still be fixed with the vice lug that quantity is the same with the hoisting point quantity on the hoisted object on the hoist body, vice lug hole has been seted up to vice lug central point position, the line perpendicular to horizontal plane of the center in vice lug hole.
The auxiliary lifting lug and the main lifting lug are both welded on the lifting appliance body, and the meat welding height of the auxiliary lifting lug and the meat welding height of the main lifting lug are not less than half of the thickness of the corresponding lifting lug.
The lifting appliance body is of a rectangular framework structure, a plurality of first rib plates parallel to the length direction and second rib plates parallel to the width direction are welded between frames of the rectangular framework structure, a plurality of third rib plates are welded between the rectangular framework and the first rib plates, and the third rib plates are perpendicular to the first rib plates.
An end cover is arranged at one end of the pin shaft, an anti-drop pin hole is formed in the other end of the pin shaft, and an anti-drop pin penetrates through the anti-drop pin hole.
The distance between the main lifting lugs is 1.1-1.5 times of the thickness of the main lifting hook, the distance is not too large, the main lifting hook is prevented from sliding, and the mounting position must be centered.
A construction method of a lifting appliance used under the condition of limited lifting height comprises the following steps:
step 1, manufacturing a lifting appliance body according to the overall dimension of the largest lifted object in engineering, wherein the overall dimension of the lifting appliance body is not less than the overall dimension of the largest lifted object;
step 2, welding a pair of main lifting lugs at the center of the top of the lifting appliance body, controlling the distance between the main lifting lugs to be 1.1-1.5 times of the thickness of a lifting main hook, then forming pin holes in the main lifting lugs, placing the lifting main hook between the two main lifting lugs, inserting a pin shaft into the pin holes of the main lifting lugs, and locking and fixing the pin shaft on the main lifting lugs through a drop-proof pin;
step 3, welding auxiliary lifting lugs with the number equal to that of the lifting points on the lifting appliance body according to the positions of the lifting points, forming auxiliary lifting lug holes in the centers of the auxiliary lifting lugs, enabling the connecting lines of the centers of the auxiliary lifting lug holes and the lifting points to be perpendicular to the horizontal plane, lifting the lifting appliance to the position of the object to be lifted, and connecting the lifting points and the auxiliary lifting lugs through clamping rings;
step 4, carrying out trial hoisting after connection is finished, and carrying out formal hoisting after error is confirmed;
and 5, detaching the clamp ring from the lifting point after the lifting is in place, and finishing the lifting.
The utility model has the advantages that: the utility model provides an among the hoist and mount process, save wire rope's height, directly use the snap ring to connect, need not increase hoist and mount machinery lectotype under the highly restricted condition, this hoist repeatedly usable for the hoist and mount of the same operating mode also can carry out slightly to improve the hoist and mount that is used for similar operating mode, and the benefit of summary is as follows:
1. the manufacture is simple.
2. The hoisting preparation time is short, and the operation is simple.
3. The reuse rate is high, and the same or similar working conditions can be used.
4. The manpower and material resources are saved to the maximum extent, and the cost reduction and the efficiency improvement are really realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view along the direction a-a of the present invention.
Fig. 3 is a schematic structural view of the present invention in a use state.
Graphic notation: 1. the lifting device comprises an auxiliary lifting lug, 101, an auxiliary lifting lug hole, 2, a lifting appliance body, 201, a first rib plate, 202, a second rib plate, 203, a third rib plate, 3, a pin shaft, 4, a main lifting lug, 5, a lifting main hook, 6 and a hung object.
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.
A lifting appliance used under the condition of limited lifting height comprises a lifting appliance body 2 in a regular shape, wherein the lifting appliance body 2 is made of steel plates, the lifting appliance body 2 is of a rectangular framework structure, two first rib plates 201 parallel to the length direction and two second rib plates 202 parallel to the width direction are welded between frames of the rectangular framework structure, four third rib plates 203 are welded between the rectangular framework and the first rib plates, the third rib plates 203 are perpendicular to the first rib plates 201, the thickness of the third rib plates must guarantee the strength of the lifting appliance body, for example, the lifting appliance is made of 40mm steel plates, the height of the lifting appliance is 300mm, the height of fillet weld seam welding meat is not less than 20mm, and deformation prevention measures are taken during welding; a pair of main lifting lugs 4 arranged at intervals are fixed at the center of the top of the lifting appliance body 2, pin holes are formed in the main lifting lugs 4, pin shafts 3 matched with lifting main hooks penetrate through the pin holes, the pin shafts 3 are made of high-strength steel, the diameter of each pin shaft is determined according to the size of a hole formed in each main lifting lug 4 and the size of an opening of each lifting mechanical main hook, the pin shafts 3 can be guaranteed to easily penetrate into the holes of the main lifting lugs 4, an end cover is arranged at one end of each pin shaft 3 to prevent the whole pin shaft 3 from penetrating, and an anti-falling pin hole is; the center of the part of the pin shaft 3 between the two main lifting lugs 4 is positioned on the center line of the lifting appliance body, the center line of the pin shaft penetrating under the pin hole state is vertical to the center line of the lifting appliance body, the lifting appliance body 2 is also fixed with auxiliary lifting lugs 1 the number of which is the same as the number of lifting points on a lifted object, the auxiliary lifting lugs 1 are made of steel plates and are symmetrically arranged on the lifting appliance body 2, the specific positions are set according to the lifting points of the lifted object, the thickness of the auxiliary lifting lugs is determined according to the weight of the lifted object, the auxiliary lifting lugs are generally 40mm and 150 x 150 in size, and a circular hole with the diameter of 50mm is formed in the center. Forming a groove on the hanger body during welding, wherein the height of the welding meat is not less than the thickness of the lifting lug; an auxiliary lifting lug hole 101 is formed in the center of the auxiliary lifting lug 1, and the connecting line of the center of the auxiliary lifting lug hole and the lifting point is vertical to the horizontal plane.
The auxiliary lifting lug 1 and the main lifting lug 4 are both welded on the lifting appliance body, and the meat welding height of the auxiliary lifting lug 1 and the meat welding height of the main lifting lug 4 are not less than half of the thickness of the corresponding lifting lug.
An end cover is arranged at one end of the pin shaft 3, an anti-drop pin hole is formed in the other end of the pin shaft, and an anti-drop pin penetrates through the anti-drop pin hole.
The main lifting lug 4 is made of steel plates and welded on the lifting appliance body 2, the welding requirement is the same as that of the lifting appliance body 2, the distance between the two steel plates of the main lifting lug 4 is determined according to the thickness of a main hook of a lifting machine, the distance between the main lifting lugs is 1.2 times of the thickness of the main hook of the lifting machine, the main lifting lug is not too large, the main hook is prevented from sliding, and the mounting position must be centered;
the construction method using the hanger with limited hoisting height as claimed in claim, comprising the following steps:
step 1, manufacturing a lifting appliance body according to the overall dimension of the largest lifted object in engineering, wherein the overall dimension of the lifting appliance body is not less than the overall dimension of the largest lifted object 6, the steel plate used is selected according to the weight of the lifted object, in order to enable the manufactured lifting appliance to be reusable, the steel plate with the thickness of 40mm is generally manufactured, and the height of the welded meat is not less than 20 mm;
step 2, the main lifting lugs 4 are manufactured together in the manufacturing process of the lifting appliance body 2, a pair of main lifting lugs are welded at the center of the top of the lifting appliance body, the thickness of a main lifting hook 5 with the distance between the main lifting lugs being 1.1-1.5 times is controlled, then a pin hole is formed in each main lifting lug, the main lifting hook is placed between the two main lifting lugs, a pin shaft is inserted into the pin hole of each main lifting lug, the pin shaft is locked and fixed on the main lifting lugs through anti-disengaging pins, the size of each pin shaft 3 is determined according to the opening size of the main lifting hook of the lifting appliance, the size of a steel plate used for each main lifting lug 4 is determined according to the external dimension of the main lifting hook of the lifting appliance, and the pin shaft 3 can freely penetrate into the pin hole after the main lifting hook extends;
step 3, welding auxiliary lifting lugs with the number equal to that of the lifting points on the lifting appliance body according to the positions of the lifting points, forming auxiliary lifting lug holes in the centers of the auxiliary lifting lugs, enabling the connecting lines of the centers of the auxiliary lifting lug holes and the lifting points to be perpendicular to the horizontal plane, lifting the lifting appliance to the position of the lifted object, connecting the lifting points and the auxiliary lifting lugs through clamping rings, adding the auxiliary lifting lugs 1 according to the positions of the lifting points of the lifted object under the condition of repeated use or directly using the auxiliary lifting lugs 1 in situ under the condition of ensuring the safety of lifting included angles to finish assembly;
step 4, carrying out trial hoisting after connection is finished, and carrying out formal hoisting after error is confirmed;
and 5, detaching the clamp ring from the lifting point after the lifting is in place, and finishing the lifting.
The utility model discloses the hoist of mainly utilizing the preparation replaces the wire rope that is contained angle hoist and mount, directly uses the snap ring to connect and is hung article and hoist, reduces the hoist and mount height to reach the purpose that shortens the distance under the highly limited condition of hoist and mount.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (5)

1. The utility model provides a hoist that uses under hoist and mount height is limited which characterized in that: the lifting appliance comprises a lifting appliance body in a regular shape, a pair of main lifting lugs arranged at intervals is fixed at the center position of the top of the lifting appliance body, pin holes are formed in the main lifting lugs, pin shafts matched with a lifting main hook penetrate through the pin holes, the center of the part, located between the two main lifting lugs, of each pin shaft is located on the center line of the lifting appliance body, the center lines of the pin shafts penetrating in the pin hole state are perpendicular to the center lines of the lifting appliance body, auxiliary lifting lugs of which the number is the same as that of lifting points on a lifted object are further fixed on the lifting appliance body, auxiliary lifting lug holes are formed in the center positions of the auxiliary lifting lugs, and the centers of the auxiliary lifting lug holes are.
2. The lifting appliance with the limited lifting height for use according to claim 1, wherein: the auxiliary lifting lug and the main lifting lug are both welded on the lifting appliance body, and the meat welding height of the auxiliary lifting lug and the meat welding height of the main lifting lug are not less than half of the thickness of the corresponding lifting lug.
3. The lifting appliance with the limited lifting height for use according to claim 1, wherein: the lifting appliance body is of a rectangular framework structure, a plurality of first rib plates parallel to the length direction and second rib plates parallel to the width direction are welded between frames of the rectangular framework structure, a plurality of third rib plates are welded between the rectangular framework and the first rib plates, and the third rib plates are perpendicular to the first rib plates.
4. The lifting appliance with the limited lifting height for use according to claim 1, wherein: an end cover is arranged at one end of the pin shaft, an anti-drop pin hole is formed in the other end of the pin shaft, and an anti-drop pin penetrates through the anti-drop pin hole.
5. The lifting appliance with the limited lifting height for use according to claim 1, wherein: the distance between the main lifting lugs is 1.1-1.5 times of the thickness of the main lifting hook.
CN202020826786.3U 2020-05-18 2020-05-18 Lifting appliance used under limited lifting height Active CN212893467U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020826786.3U CN212893467U (en) 2020-05-18 2020-05-18 Lifting appliance used under limited lifting height

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020826786.3U CN212893467U (en) 2020-05-18 2020-05-18 Lifting appliance used under limited lifting height

Publications (1)

Publication Number Publication Date
CN212893467U true CN212893467U (en) 2021-04-06

Family

ID=75264134

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020826786.3U Active CN212893467U (en) 2020-05-18 2020-05-18 Lifting appliance used under limited lifting height

Country Status (1)

Country Link
CN (1) CN212893467U (en)

Similar Documents

Publication Publication Date Title
CN212893467U (en) Lifting appliance used under limited lifting height
CN107161846A (en) A kind of H profile steel stone tongs
CN111422733A (en) Lifting appliance used under limited lifting height and construction method thereof
CN217051289U (en) Beam type lifting appliance device for lifting gravity type wharf caisson
CN213865019U (en) Steel grating hot-dip galvanizing tool
CN215558413U (en) Lifting sling for rectangular culvert sections
CN101717034A (en) Hoisting rigging device
CN210825081U (en) Be suitable for multi-functional hoist of finite space hoist and mount steel reinforcement cage
CN210658056U (en) Bridge steel stand hoist and mount device of turning
CN208916620U (en) A kind of suspender of round ring parts
CN112158717A (en) Pipe joint hoisting device and hoisting method
CN216471715U (en) 150TON multipurpose hanging bar
CN214879521U (en) Underground pipeline hoisting in-place device
CN210193179U (en) Lifting appliance for four-foot hollow square block
CN217296963U (en) Steel reinforcement cage skeleton piece hoist device and hoisting machinery
CN209872121U (en) Prefabricated component hoist of assembly type structure
CN215160256U (en) Large-size sliding seat overturning lifting appliance of vertical machining center
CN214879471U (en) Hoisting and hanging ring device
CN219098494U (en) Device for hoisting and installing weight
CN215711061U (en) Clamping ring lifting appliance of chamfering machine for spiral submerged arc welded pipe
CN210236847U (en) Special combined lifting appliance for lifting steel pipes
CN215854592U (en) Large-diameter sling connection protection sling
CN217708526U (en) Hoisting device of large-scale cake class forging
CN217398227U (en) Hot galvanizing pretreatment lifting appliance
CN207618894U (en) Hydraulic generator rotor rigidity lifting tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant