CN116534761A - Crossbeam installation lifting machine - Google Patents
Crossbeam installation lifting machine Download PDFInfo
- Publication number
- CN116534761A CN116534761A CN202310490239.0A CN202310490239A CN116534761A CN 116534761 A CN116534761 A CN 116534761A CN 202310490239 A CN202310490239 A CN 202310490239A CN 116534761 A CN116534761 A CN 116534761A
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- Prior art keywords
- seat
- lifting
- movable
- bearing base
- movable seat
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- 238000009434 installation Methods 0.000 title abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0608—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement driven by screw or spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a beam installation elevator, which relates to the field of beam lifting and comprises: a bearing base; universal supporting wheels are respectively arranged at four ends of the bottom of the bearing base, and adjustable supporting legs are respectively arranged at two sides of the bearing base; the top of the bearing base is provided with a base movable seat, the top of the bearing base is connected with a fine adjustment screw rod, the fine adjustment screw rod is connected with the bottom of the base movable seat, the fine adjustment screw rod faces left and right, and one end of the fine adjustment screw rod is provided with a hand wheel; the lifting expansion bracket is arranged at the top of the bottom movable seat. According to the invention, the two L-shaped movable clamping plates are driven to rotate inwards by means of the weight of the cross beam, so that the clamping bolts connected with the L-shaped movable clamping plates are respectively contacted with the two sides of the cross beam, the effect of clamping and fixing the cross beam is achieved, and the cross beam is prevented from displacement in the lifting process. The problem of current crossbeam installation hoisting device in crossbeam promotion in-process, the crossbeam receives different factor easily to influence and takes place the displacement, causes the crossbeam to drop from the device top, causes the injury to below constructor is solved.
Description
Technical Field
The invention relates to the technical field of beam lifting, in particular to a beam mounting lifter.
Background
The building beam mainly plays a role in supporting and connecting a building, the building beam is divided into two types of site concrete pouring and factory prefabricated finished products, the site concrete pouring is complex, the required construction period is long, the factory beam finished products have the advantages of mass production, construction period saving and cost saving, and when the factory beam finished products are installed, the factory beam finished products are heavy, and the factory beam finished products are required to be lifted to the required height by means of the lifting machine so as to be accurately installed, so that the beam installation efficiency is improved.
The crossbeam installation lifting machine can refer to CN108609556B patent, and it mainly includes the lifting base and sets up elevating gear on the lifting base and sets up the footboard that supplies the construction worker to trample on elevating gear, be equipped with pressure sensor in the lifting base, the downside of lifting base is equipped with the reinforcing means who is used for strengthening base and outside ground connection fastness, pressure sensor includes that a plurality of is circular distribution and is the detecting element between lifting base upside and elevating gear. Through lifting base, elevating gear and pedal's setting, alright effectual realization lifting construction workman's effect, and through pressure sensor and reinforcing means's setting, alright realize when construction workman's focus skew, can effectually strengthen lifting base and external ground connection's fastness, avoid leading to lifting base smooth problem because of the focus skew.
When the existing beam installation lifting device is used, the beam in the lifting process is lack of effective clamping and fixing, the beam is easy to displace due to the influence of different factors, the beam is required to fall to the bottom to adjust the position of the beam again when the beam is light, and the beam can fall from the top of the device when the beam is heavy, so that injury is caused to constructors below.
Disclosure of Invention
In view of the above, the invention provides a beam installation lifting machine, which aims to solve the problems that when the existing beam installation lifting device is used, effective clamping and fixing are not available for a beam in the lifting process, the beam is easy to displace due to different factors in the lifting process, the beam is required to fall to the bottom for adjusting the position of the beam again when the beam is light, and the beam falls from the top of the device when the beam is heavy, so that damage is caused to lower constructors.
The invention provides a beam installation lifting machine, which specifically comprises: a bearing base; universal supporting wheels are respectively arranged at four ends of the bottom of the bearing base, and adjustable supporting legs are respectively arranged at two sides of the bearing base; the top of the bearing base is provided with a base movable seat, the top of the bearing base is connected with a fine adjustment screw rod, the fine adjustment screw rod is connected with the bottom of the base movable seat, the fine adjustment screw rod faces left and right, and one end of the fine adjustment screw rod is provided with a hand wheel; the lifting telescopic frame is arranged at the top of the bottom movable seat, the lifting screw is connected with the top of the bottom movable seat and is connected with the bottom of the lifting telescopic frame, the lifting screw faces forwards and backwards, and a hand wheel is arranged at one end of the lifting screw; the top of the lifting expansion bracket is provided with a top lifting seat, two ends of the top lifting seat are respectively provided with an assembly limiting seat, the assembly limiting seat is of a groove-shaped structure, the top of the assembly limiting seat is internally provided with a stress movable seat, and the interior of the assembly limiting seat is provided with two reset springs; the two ends of the top of the assembly limiting seat are respectively provided with an L-shaped movable clamping plate, and the stress movable seat is connected with the two L-shaped movable clamping plates; two clamping bolts are connected inside the L-shaped movable clamping plate.
Further, lifting telescoping rack bottom one end rotates with the bottom movable seat to be connected, and lifting telescoping rack bottom other end and bottom movable seat sliding connection, and lifting screw rotates with the bottom movable seat to be connected, lifting screw and lifting telescoping rack threaded connection, lifting telescoping rack top one end and top lifting seat rotate to be connected, lifting telescoping rack top other end and top lifting seat sliding connection.
Further, four guide sliding rails are arranged at the top of the bearing base, four guide bottom holes are respectively formed in two ends of the bottom of the base movable base, and the guide sliding rails penetrate through the guide bottom holes formed in the base movable base in a sliding mode.
Further, an adjusting screw hole B is formed in the bottom of the bottom movable seat, the fine adjusting screw rod is rotationally connected with the bearing base, and the fine adjusting screw rod is in threaded connection with the adjusting screw hole B formed in the bottom movable seat.
Furthermore, the two sides of the bearing base are respectively provided with an adjusting screw hole A, and the adjustable supporting legs are in threaded connection with the adjusting screw holes A formed in the bearing base.
Further, the movable holes are respectively formed in two sides of the assembly limiting seat, two guide sliding blocks are respectively arranged on two sides of the bottom of the stressed movable seat, the guide sliding blocks are in sliding connection with the movable holes formed in the assembly limiting seat, and the top side of the stressed movable seat is higher than the top of the assembly limiting seat.
Furthermore, two transmission connecting holes are respectively formed in two sides of the bottom of the stressed movable seat, the L-shaped movable clamping plate is rotationally connected with the assembly limiting seat, transmission connecting protruding blocks are respectively arranged at two ends of the L-shaped movable clamping plate, and the transmission connecting protruding blocks are slidably connected in the transmission connecting holes formed in the stressed movable seat.
Further, the bottom end of the reset spring is contacted with the inner side of the bottom of the assembly limiting seat, and the top end of the reset spring is contacted with the bottom side of the stressed movable seat.
Furthermore, two adjusting screw holes C are symmetrically formed in the top of the L-shaped movable clamping plate, and the clamping bolts are in threaded connection with the adjusting screw holes C formed in the L-shaped movable clamping plate.
Advantageous effects
1. According to the invention, the lifting screw is rotated according to different mounting heights of the cross beams, the lifting screw is driven to extend upwards by the lifting screw, the lifting screw drives the top lifting seat to move upwards, and the top lifting seat drives the cross beams to be lifted to the mounting heights, so that the mounting requirements of the cross beams are met; when the cross beam is lifted to a high position, the fine adjustment screw rod can be rotated according to the requirement of the installation position, the movable base of the bottom is driven to move along the guide sliding rail through the fine adjustment screw rod, and the position of the cross beam is subjected to moving fine adjustment, so that the cross beam can be moved to the installation position, and the requirement of the cross beam for installation and use is better met; when the bearing base moves to the bottom of the beam installation part, the adjustable supporting leg is rotated, so that the bottom of the adjustable supporting leg is contacted with the ground, the bearing base is fixed through the adjustable supporting leg, the displacement of the bearing base is prevented, and the use stability of the bearing base is ensured.
2. According to the invention, when the cross beam is placed at the top of the two stressed movable seats, the stressed movable seats are influenced by the weight of the cross beam and move downwards along the movable holes, the reset springs are in a compressed state, the stressed movable seats drive the two L-shaped movable clamping plates to rotate inwards, so that the clamping bolts connected with the L-shaped movable clamping plates are respectively contacted with two sides of the cross beam, the cross beam is clamped and fixed through the clamping bolts, the cross beam is prevented from displacing in the lifting process, the stability of the lifting state of the cross beam is ensured, the L-shaped movable clamping plates are driven by the gravity of the cross beam to rotate to realize clamping, manual operation is not needed, after the cross beam is installed, the lifting telescopic frame drives the top lifting seat to move downwards, the stressed movable seats are influenced by the thrust of the reset springs and move upwards along the movable holes, and the stressed movable seats drive the two L-shaped movable clamping plates to rotate outwards, and the clamping bolts connected with the L-shaped movable clamping plates are separated from the two sides of the cross beam, so that the operation is simpler and more convenient; and according to the difference of required installation crossbeam width, rotate the clamping bolt that L shape movable clamp plate is connected and adjust, change two adjacent clamping bolt interval distances, when the atress movable seat receives the crossbeam weight influence whereabouts to the extreme down, clamping bolt just contacts with the crossbeam, better satisfies different width crossbeams centre gripping fixed demand, guarantee construction operation's security.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic diagram of the overall top axle side structure of a beam mounted hoist according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the overall bottom shaft side structure of a beam-mounted hoist according to an embodiment of the present invention.
Fig. 3 is a schematic view of the load-bearing base shaft side structure of a beam-mounted hoist according to an embodiment of the present invention.
Fig. 4 is a schematic view of the connection structure of the bottom movable seat, the lifting telescopic frame and the top lifting seat of the beam mounting lifter according to the embodiment of the invention.
Fig. 5 is a schematic view of the structure of the beam-mounted hoist according to the embodiment of the present invention in an outward rotating state of the L-shaped movable clamp plate.
Fig. 6 is a schematic view of the structure of the beam-mounted hoist according to the embodiment of the present invention in an inward-rotated state of the L-shaped movable sheave.
Fig. 7 is a schematic diagram of an installation structure of a return spring inside an assembly limit seat of a beam installation hoist according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of a bottom shaft side structure of a force-receiving movable seat of a beam-mounted hoist according to an embodiment of the present invention.
Fig. 9 is a schematic view of the connection structure of the L-shaped movable clamp plate and the clamping bolt of the beam mounting hoist according to the embodiment of the present invention.
List of reference numerals
1. A bearing base; 101. a guide rail; 102. adjusting the screw hole A; 2. universal supporting wheels; 3. an adjustable support leg; 4. a bottom movable seat; 401. a guide bottom hole; 402. adjusting the screw hole B; 5. fine tuning the screw; 6. lifting the telescopic frame; 7. a top lifting seat; 8. lifting screw rods; 9. assembling a limit seat; 901. a movable hole; 10. a stress movable seat; 1001. a guide slide block; 1002. a transmission connecting hole; 11. an L-shaped movable clamping plate; 1101. a transmission connecting convex block; 1102. adjusting the screw hole C; 12. clamping bolts; 13. and a return spring.
Detailed Description
Examples: please refer to fig. 1 to 9:
the invention provides a beam installation elevator, which comprises a bearing base 1; universal supporting wheels 2 are respectively arranged at four ends of the bottom of the bearing base 1, adjustable supporting legs 3 are respectively arranged at two sides of the bearing base 1, and the top of the bearing base 1 is supported by the universal supporting wheels 2 so that the bearing base 1 can move to the bottom of a beam installation part; the two sides of the bearing base 1 are respectively provided with an adjusting screw hole A102, the adjustable supporting legs 3 are in threaded connection with the adjusting screw holes A102 formed in the bearing base 1, when the bearing base 1 moves to the bottom of the mounting part of the cross beam, the adjustable supporting legs 3 are rotated to enable the bottom of the adjustable supporting legs 3 to be in contact with the ground, the adjustable supporting legs 3 are used for fixing the bearing base 1, the displacement of the bearing base 1 is prevented, and the use stability of the bearing base 1 is ensured; the top of the bearing base 1 is provided with a base movable seat 4, the top of the bearing base 1 is connected with a fine adjustment screw 5, the fine adjustment screw 5 is connected with the bottom of the base movable seat 4, the fine adjustment screw 5 faces left and right, and one end of the fine adjustment screw 5 is provided with a hand wheel; four guide sliding rails 101 are arranged at the top of the bearing base 1, four guide bottom holes 401 are respectively formed in two ends of the bottom movable seat 4, the guide sliding rails 101 penetrate through the guide bottom holes 401 formed in the bottom movable seat 4 in a sliding mode, an adjusting screw hole B402 is formed in the bottom of the bottom movable seat 4, a fine adjusting screw 5 is in rotary connection with the bearing base 1, the fine adjusting screw 5 is in threaded connection with the adjusting screw hole B402 formed in the bottom movable seat 4, when the beam is lifted to a high position, the fine adjusting screw 5 can be rotated according to the requirement of the installation position, the bottom movable seat 4 is driven to move along the guide sliding rails 101 through the fine adjusting screw 5, the position of the beam is subjected to moving fine adjustment, the beam can be moved to the installation position, and the requirement of the beam is better met; the top of the bottom movable seat 4 is provided with a lifting telescopic frame 6, the top of the bottom movable seat 4 is connected with a lifting screw rod 8, the lifting screw rod 8 is connected with the bottom of the lifting telescopic frame 6, the lifting screw rod 8 faces forwards and backwards, and one end of the lifting screw rod 8 is provided with a hand wheel; the top of the lifting expansion bracket 6 is provided with a top lifting seat 7, two ends of the top lifting seat 7 are respectively provided with an assembly limiting seat 9, the assembly limiting seat 9 is of a groove-shaped structure, the top of the assembly limiting seat 9 is internally provided with a stress movable seat 10, and the interior of the assembly limiting seat 9 is provided with two return springs 13; one end of the bottom of the lifting expansion bracket 6 is rotationally connected with the bottom movable seat 4, the other end of the bottom of the lifting expansion bracket 6 is slidingly connected with the bottom movable seat 4, the lifting screw rod 8 is rotationally connected with the bottom movable seat 4, the lifting screw rod 8 is in threaded connection with the lifting expansion bracket 6, one end of the top of the lifting expansion bracket 6 is rotationally connected with the top lifting seat 7, the other end of the top of the lifting expansion bracket 6 is slidingly connected with the top lifting seat 7, the lifting screw rod 8 can be rotated according to the difference of the mounting heights of the cross beams, the lifting screw rod 8 is driven to extend upwards by the lifting screw rod 8, the lifting screw rod 8 drives the top lifting seat 7 to move upwards, the top lifting seat 7 drives the cross beams to lift to the mounting height, and the mounting requirements of the cross beams are met; the two ends of the top of the assembly limiting seat 9 are respectively provided with an L-shaped movable clamping plate 11, and the stress movable seat 10 is connected with the two L-shaped movable clamping plates 11; two clamping bolts 12 are connected inside the L-shaped movable clamping plate 11.
Referring to fig. 5, 6, 7 and 8, two sides of the assembly limit seat 9 are respectively provided with a movable hole 901, two sides of the bottom of the stress movable seat 10 are respectively provided with two guide sliding blocks 1001, the guide sliding blocks 1001 are in sliding connection with the movable hole 901 formed in the assembly limit seat 9, the top side of the stress movable seat 10 is higher than the top of the assembly limit seat 9, two transmission connecting holes 1002 are respectively formed in two sides of the bottom of the stress movable seat 10, an L-shaped movable clamping plate 11 is in rotational connection with the assembly limit seat 9, two ends of the L-shaped movable clamping plate 11 are respectively provided with a transmission connecting lug 1101, the transmission connecting lug 1101 is in sliding connection with the transmission connecting hole 1002 formed in the stress movable seat 10, the bottom end of a return spring 13 is in contact with the inner side of the bottom of the assembly limit seat 9, and the top end of the return spring 13 is in contact with the bottom side of the stress movable seat 10;
by adopting the technical scheme, when the crossbeam is placed at the tops of the two stressed movable seats 10, the stressed movable seat 10 is influenced by the weight of the crossbeam and moves downwards along the movable hole 901, the reset spring 13 is in a compressed state, the stressed movable seat 10 drives the two L-shaped movable clamping plates 11 to rotate inwards, the clamping bolts 12 connected with the L-shaped movable clamping plates 11 are respectively contacted with two sides of the crossbeam, the clamping bolts 12 clamp and fix the crossbeam, the crossbeam is prevented from displacement in the lifting process, the stability of the lifting state of the crossbeam is ensured, the L-shaped movable clamping plates 11 are driven to rotate by the gravity of the crossbeam to realize clamping, manual operation is not needed, after the crossbeam is installed, the lifting expansion bracket 6 drives the top lifting seat 7 to move downwards, the stressed movable seat 10 is influenced by the thrust of the reset spring 13 and moves upwards along the movable hole 901, the stressed movable seat 10 drives the two L-shaped movable clamping plates 11 to rotate outwards, and the clamping bolts 12 connected with the L-shaped movable clamping plates 11 are separated from two sides of the crossbeam, and the operation is simpler and more convenient.
Referring to fig. 9, two adjusting screw holes C1102 are symmetrically formed at the top of the L-shaped movable clamping plate 11, and the clamping bolt 12 is screwed into the adjusting screw hole C1102 formed in the L-shaped movable clamping plate 11;
by adopting the technical scheme, the clamping bolts 12 connected with the L-shaped movable clamping plates 11 can be rotated and adjusted according to the difference of the widths of the required mounting beams, the interval distance between the two adjacent clamping bolts 12 is changed, and when the stressed movable seat 10 falls to the lowest end under the influence of the weight of the beams, the clamping bolts 12 just contact with the beams, so that the clamping and fixing requirements of the beams with different widths are better met, and the safety of construction operation is guaranteed.
Specific use and action of the embodiment: according to the invention, the top of the bearing base 1 is supported by the universal supporting wheels 2, so that the bearing base 1 can move to the bottom of the mounting part of the cross beam, the adjustable supporting legs 3 are rotated, the bottoms of the two adjustable supporting legs 3 are contacted with the ground, the bearing base 1 is fixed by the adjustable supporting legs 3, the displacement of the bearing base 1 is prevented, and the use stability of the bearing base 1 is ensured; next, the cross beam is placed at the top of the two stressed movable seats 10, the stressed movable seats 10 are influenced by the weight of the cross beam and move downwards along the movable holes 901, the reset springs 13 are influenced by gravity to be in a compressed force accumulation state, the stressed movable seats 10 drive the two L-shaped movable clamping plates 11 to rotate inwards, so that the clamping bolts 12 connected with the L-shaped movable clamping plates 11 are respectively contacted with the two sides of the cross beam, the cross beam is clamped and fixed through the clamping bolts 12, the cross beam is prevented from displacing in the lifting process, the stability of the lifting state of the cross beam is ensured, the L-shaped movable clamping plates 11 are driven to rotate by the gravity of the cross beam to realize clamping, manual operation is not needed, and the cross beam lifting device is simpler; the clamping bolts 12 connected with the L-shaped movable clamping plates 11 can be rotated and adjusted according to different widths of the required mounting cross beams, the interval distance between two adjacent clamping bolts 12 is changed, when the stressed movable seat 10 falls to the lowest end under the influence of the weight of the cross beams, the clamping bolts 12 are just contacted with the cross beams, the clamping and fixing requirements of the cross beams with different widths are better met, and the safety of construction operation is guaranteed; then according to the difference of the mounting heights of the cross beams, the lifting screw rod 8 is rotated, the lifting screw rod 8 is driven to extend upwards by the lifting screw rod 8, the lifting screw rod 8 drives the top lifting seat 7 to move upwards horizontally, and the top lifting seat 7 drives the cross beams to be lifted to the mounting heights, so that the mounting requirements of the cross beams are met; when the cross beam is lifted to the installation height, the fine adjustment screw 5 can be rotated according to the requirement of the installation position, the movable base 4 of the bottom is driven to move along the guide sliding rail 101 by the fine adjustment screw 5, and the position of the cross beam is subjected to moving fine adjustment, so that the cross beam can be moved to the installation position, and the requirement of the cross beam for installation and use is better met; after the beam is installed, the lifting expansion bracket 6 drives the top lifting seat 7 to move downwards, the stressed movable seat 10 is influenced by the thrust of the reset spring 13 to move upwards along the movable hole 901, the stressed movable seat 10 drives the two L-shaped movable clamping plates 11 to rotate outwards, and the clamping bolts 12 connected with the L-shaped movable clamping plates 11 are separated from the two sides of the beam, so that the operation is simpler and more convenient.
Claims (9)
1. A beam mount hoist, comprising: a bearing base (1); universal supporting wheels (2) are respectively arranged at four ends of the bottom of the bearing base (1), and adjustable supporting legs (3) are respectively arranged at two sides of the bearing base (1); the top of the bearing base (1) is provided with a bottom movable seat (4), the top of the bearing base (1) is connected with a fine adjustment screw (5), the fine adjustment screw (5) is connected with the bottom of the bottom movable seat (4), the fine adjustment screw (5) faces left and right, and one end of the fine adjustment screw (5) is provided with a hand wheel; the lifting telescopic frame (6) is arranged at the top of the bottom movable seat (4), the lifting screw (8) is connected with the bottom of the lifting telescopic frame (6), the lifting screw (8) faces forwards and backwards, and a hand wheel is arranged at one end of the lifting screw (8); the top of the lifting expansion bracket (6) is provided with a top lifting seat (7), two ends of the top lifting seat (7) are respectively provided with an assembly limiting seat (9), the assembly limiting seat (9) is of a groove-shaped structure, the top of the assembly limiting seat (9) is internally provided with a stress movable seat (10), and the interior of the assembly limiting seat (9) is provided with two reset springs (13); the two ends of the top of the assembly limiting seat (9) are respectively provided with an L-shaped movable clamping plate (11), and the stress movable seat (10) is connected with the two L-shaped movable clamping plates (11); two clamping bolts (12) are connected inside the L-shaped movable clamping plate (11).
2. A beam-mounting hoist as claimed in claim 1, wherein: the lifting telescopic frame is characterized in that one end of the bottom of the lifting telescopic frame (6) is rotationally connected with the bottom movable seat (4), the other end of the bottom of the lifting telescopic frame (6) is slidably connected with the bottom movable seat (4), the lifting screw (8) is rotationally connected with the bottom movable seat (4), the lifting screw (8) is in threaded connection with the lifting telescopic frame (6), one end of the top of the lifting telescopic frame (6) is rotationally connected with the top lifting seat (7), and the other end of the top of the lifting telescopic frame (6) is slidably connected with the top lifting seat (7).
3. A beam-mounting hoist as claimed in claim 1, wherein: four guide sliding rails (101) are arranged at the top of the bearing base (1), four guide bottom holes (401) are respectively formed in two ends of the bottom movable base (4), and the guide sliding rails (101) penetrate through the guide bottom holes (401) formed in the bottom movable base (4) in a sliding mode.
4. A beam-mounting hoist as claimed in claim 1, wherein: the bottom of the bottom movable seat (4) is provided with an adjusting screw hole B (402), the fine adjusting screw (5) is rotationally connected with the bearing base (1), and the fine adjusting screw (5) is in threaded connection with the adjusting screw hole B (402) formed in the bottom movable seat (4).
5. A beam-mounting hoist as claimed in claim 1, wherein: the two sides of the bearing base (1) are respectively provided with an adjusting screw hole A (102), and the adjustable supporting legs (3) are in threaded connection with the adjusting screw holes A (102) formed in the bearing base (1).
6. A beam-mounting hoist as claimed in claim 1, wherein: the assembly limiting seat (9) is characterized in that movable holes (901) are respectively formed in two sides of the assembly limiting seat (9), two guide sliding blocks (1001) are respectively arranged on two sides of the bottom of the stressed movable seat (10), the guide sliding blocks (1001) are slidably connected in the movable holes (901) formed in the assembly limiting seat (9), and the top side of the stressed movable seat (10) is higher than the top of the assembly limiting seat (9).
7. A beam-mounting hoist as claimed in claim 1, wherein: two transmission connecting holes (1002) are respectively formed in two sides of the bottom of the stressed movable seat (10), the L-shaped movable clamping plate (11) is rotationally connected with the assembly limiting seat (9), transmission connecting protruding blocks (1101) are respectively arranged at two ends of the L-shaped movable clamping plate (11), and the transmission connecting protruding blocks (1101) are slidably connected in the transmission connecting holes (1002) formed in the stressed movable seat (10).
8. A beam-mounting hoist as claimed in claim 1, wherein: the bottom end of the return spring (13) is contacted with the inner side of the bottom of the assembly limiting seat (9), and the top end of the return spring (13) is contacted with the bottom side of the stressed movable seat (10).
9. A beam-mounting hoist as claimed in claim 1, wherein: two adjusting screw holes C (1102) are symmetrically formed in the top of the L-shaped movable clamping plate (11), and the clamping bolts (12) are in threaded connection with the adjusting screw holes C (1102) formed in the L-shaped movable clamping plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310490239.0A CN116534761A (en) | 2023-05-04 | 2023-05-04 | Crossbeam installation lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310490239.0A CN116534761A (en) | 2023-05-04 | 2023-05-04 | Crossbeam installation lifting machine |
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| Publication Number | Publication Date |
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| CN116534761A true CN116534761A (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310490239.0A Pending CN116534761A (en) | 2023-05-04 | 2023-05-04 | Crossbeam installation lifting machine |
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| CN (1) | CN116534761A (en) |
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