CN114590755A - Energy-saving lifting platform for construction with safeguard function - Google Patents
Energy-saving lifting platform for construction with safeguard function Download PDFInfo
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- CN114590755A CN114590755A CN202210256322.7A CN202210256322A CN114590755A CN 114590755 A CN114590755 A CN 114590755A CN 202210256322 A CN202210256322 A CN 202210256322A CN 114590755 A CN114590755 A CN 114590755A
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- Prior art keywords
- fixedly connected
- energy
- lifting platform
- building construction
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- 238000010276 construction Methods 0.000 title claims description 9
- 230000004224 protection Effects 0.000 claims abstract description 36
- 238000009435 building construction Methods 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 claims description 42
- 230000001681 protective effect Effects 0.000 claims description 28
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 230000006378 damage Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- 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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The invention discloses an energy-saving lifting platform with a protection function for building construction, which comprises a bottom plate, wherein the left side and the right side of the upper end surface of the bottom plate are fixedly connected with a support frame, and the upper end of the support frame is fixedly connected with a top plate: the side surface of the support frame is relatively and fixedly connected with a guide sliding chute, and a lifting bearing frame is arranged at the upper side position of the bottom plate; the front end of the lifting bearing frame is connected with a frame door through a hinge. The lifting bearing frame for the building construction can be conveniently limited and locked under the condition that the pull rope is broken through the falling protection mechanism, so that the use safety of the lifting platform for the building construction can be effectively improved, the locking of the lifting bearing frame can be conveniently buffered through the buffer spring, the damage of workers caused by emergency stop can be avoided, a driving motor with smaller power can be conveniently selected through the matching of the pulley block, and the energy-saving performance of the lifting platform for the building construction can be improved.
Description
Technical Field
The invention relates to the technical field of lifting platforms for building construction, in particular to an energy-saving lifting platform for building construction with a protection function.
Background
The lifting platform is a hoisting machine for vertically conveying people or objects, also refers to equipment for vertically conveying in logistics systems such as factories and automatic warehouses, various plane conveying equipment is often arranged on the lifting platform and is used as a connecting device of conveying lines with different heights, the lifting platform is widely applied to the field of building construction, but the existing lifting platform for building construction has the following defects:
1. the existing lifting platform for building construction does not have a falling protection function, when a lifting pull rope is broken, a lifting bearing frame can drop downwards rapidly, so that workers and transported objects can be damaged, safety accidents can be caused, and the use safety of the existing lifting platform for building construction is poor;
2. the existing lifting platform for building construction generally works in a mode of directly rolling a pulling rope through a motor, the lifting bearing frame is easy to fall out of control and cause danger under the condition that the motor is suddenly powered off, and the lifting platform for building construction has larger power consumption because the pulling rope needs to be directly rolled through the motor;
therefore, an energy-saving lifting platform with a protection function for building construction is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide an energy-saving lifting platform with a protection function for building construction, and aims to solve the problems that the existing lifting platform for building construction is poor in use safety and poor in energy-saving performance in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an energy-saving lift platform for construction with safeguard function, includes the bottom plate, the up end left and right sides position fixedly connected with support frame of bottom plate, just the upper end fixedly connected with roof of support frame:
the side surface of the support frame is relatively and fixedly connected with a guide sliding chute, and a lifting bearing frame is arranged at the upper side position of the bottom plate;
the front end of the lifting bearing frame is connected with a frame door through a hinge, sliding frames are fixedly connected to the side faces of the left end and the right end of the lifting bearing frame, and the sliding frames are connected to corresponding guide sliding chutes in a sliding mode;
the upper end face of the sliding frame is fixedly connected with a falling protection mechanism, and the upper end of the falling protection mechanism is connected with a movable pulley;
the middle part of the lower end surface of the top plate is fixedly connected with a fixed pulley, and the upper end surface of the top plate is fixedly connected with a winding driving mechanism;
a pull rope is connected between the movable pulley and the fixed pulley, a driving motor is fixedly connected to the upper end face of the top plate, and the driving motor is connected with a winding driving mechanism.
By adopting the technical scheme, the lifting bearing frame under the condition of rope breakage can be conveniently limited and locked by the falling protection mechanism, so that the use safety of the lifting platform for building construction can be effectively improved, a driving motor with small power can be conveniently selected by matching of the pulley block, and the energy-saving performance of the lifting platform for building construction is improved.
Preferably, the fall protection mechanism comprises a protection housing:
the protective shell is fixedly connected to the upper end position of the sliding frame, and the middle position inside the protective shell is connected with a rotating sleeve through a bearing;
the inner wall of the rotating sleeve is provided with a driving groove, and the middle position of the upper end face of the protective shell is connected with a telescopic rod in a vertical sliding mode;
the lower end face of the telescopic rod is fixedly connected with a limiting block, the lower side of the limiting block is fixedly connected with a driving column, and two ends of the driving column are connected in the driving groove in a sliding manner;
the upper end of the limiting block is connected with a driving spring, and the driving spring is arranged at the lower side of the inner top surface of the protective shell;
the side surface of the rotating sleeve is in keyed connection with a synchronous gear, and the side surface of the synchronous gear is in meshed connection with a control rack;
one end of the control rack is fixedly connected with a limiting fixture block, and the limiting fixture block is connected to the left side and the right side of the protective shell in a sliding manner;
the inside connection of direction spout has spacing, just be provided with the spacing groove on the side of spacing.
Adopt above-mentioned technical scheme, can be convenient for when normally pulling the telescopic link through the stay cord, spacing shrink is in protecting casing's inside, and the lift carriage can carry out normal up-and-down motion, and when the stay cord took place to break, the telescopic link downstream under drive spring's effect for spacing fixture block to spacing inslot realizes the locking to the lift carriage, thereby avoids accident's emergence, improves this lift platform's safety in utilization.
Preferably, the limiting strip is connected to the inside of the guide sliding groove in a vertically sliding mode, and a buffer spring is connected between the lower end face of the limiting strip and the lower end face of the inside of the guide sliding groove.
By adopting the technical scheme, the locking of the lifting bearing frame can be conveniently buffered through the buffer spring, so that the damage to workers caused by emergency stop is avoided.
Preferably, the winding drive mechanism includes a winding box:
the winding box is fixedly connected to the upper end face of the top plate, and a rope threading hole is formed in the bottom face of the winding box;
the interior of the winding box is connected with a winding shaft through a bearing, and a pull rope is wound on the winding shaft;
one end of the winding shaft is connected with a worm wheel in a key mode, a rotating shaft of the driving motor is connected with a worm, and the worm wheel are connected in a meshed mode.
By adopting the technical scheme, the self-locking effect of the winding shaft can be conveniently realized through the transmission arrangement of the worm and the worm wheel, and when the driving motor is suddenly powered off or breaks down, the winding shaft does not rotate, so that the lifting bearing frame can be ensured to be in a static state, and the safety of the lifting platform is further improved.
Preferably, one end of the pulling rope is fixedly connected to the upper end position of the shell of the movable pulley, the pulling rope is wound on the fixed pulley and is wound on the movable pulley through the fixed pulley, and the other end of the pulling rope is wound in the winding driving mechanism.
By adopting the technical scheme, the pulling force at one end of the pulling rope can be reduced conveniently by combining the movable pulley and the fixed pulley, and the driving motor with smaller power can be adopted for working, so that the energy-saving performance of the lifting platform is improved.
Preferably, the driving groove is disposed obliquely with respect to a vertical axis of the rotary sleeve.
By adopting the technical scheme, the driving column can be conveniently inclined relative to the vertical axis of the rotary sleeve through the driving groove, so that when the driving column slides in the driving groove, the rotary sleeve can rotate to drive the synchronous gear to rotate.
Preferably, the telescopic rod is polygonal in structural shape, and the upper end face of the protective shell is provided with corresponding polygonal holes.
By adopting the technical scheme, the telescopic rod can be conveniently prevented from rotating during telescopic motion due to the fact that the telescopic rod is polygonal in structural shape, and therefore the telescopic rod can drive the rotary sleeve to rotate.
Preferably, the control rack is slidably connected to the front side and the rear side of the synchronizing gear.
By adopting the technical scheme, the racks which can drive the two sides of the synchronous gear to move close to or away from each other when the synchronous gear rotates can be conveniently connected to the front side and the rear side of the synchronous gear through the control rack in a sliding manner, so that the limiting clamping block can be driven to perform telescopic motion.
Preferably, the limiting groove is linearly and equidistantly distributed on the side surface of the limiting strip, and the limiting clamping block is matched with the limiting groove in size.
By adopting the technical scheme, the limiting fixture block can enter the limiting groove conveniently through the size matching of the limiting fixture block and the limiting groove, so that the position of the lifting bearing frame can be locked.
Preferably, the limiting clamping block is contracted at the inner positions of the two ends of the protective shell.
By adopting the technical scheme, the lifting bearing frame can conveniently contract from top to bottom at the inner positions of the two ends of the protective shell through the limiting clamping blocks so as to slide up and down in a normal state.
Compared with the prior art, the invention has the beneficial effects that: this energy-saving lift platform for construction with safeguard function can be convenient for carry out spacing locking through falling protection mechanism to the lift carriage under the stay cord fracture circumstances, thereby can effectually improve this lift platform for construction's safety in utilization, and can be convenient for cushion the locking of lift carriage through buffer spring, thereby avoid the scram to cause staff's damage, and can be convenient for select the driving motor of less power through the cooperation of assembly pulley, thereby improve this lift platform for construction's energy-conserving performance:
1. when the pull rope is broken, the telescopic rod loses upward traction force, the telescopic rod moves downwards under the action of the driving spring, the telescopic rod drives the driving column to slide in the driving groove, the rotary sleeve is stressed to rotate, the rotary sleeve rotates to drive the synchronous gear connected with the side face of the rotary sleeve to rotate, the synchronous gear rotates to drive the control racks on the front side and the rear side of the rotary sleeve to mutually keep away from and slide, the control racks drive the limiting clamping blocks to extend out of the protective shell, the limiting clamping blocks enter the limiting grooves in the limiting strips, the protective shell informs falling to lock the lifting bearing frame, the lifting bearing frame can be conveniently limited and locked by the falling protective mechanism under the condition that the pull rope is broken, and the use safety of the lifting platform for building construction is effectively improved;
2. the limiting strip is driven to slide downwards in the guide sliding chute under the inertia effect of the lifting bearing frame, and the lifting bearing frame is buffered through the buffer spring at the lower end of the limiting strip, so that the worker is prevented from being injured due to large sudden stop impact, and the safety of the lifting platform for building construction is further improved;
3. the self-locking effect on the winding shaft is achieved through the transmission of the worm and the worm wheel, when the driving motor is suddenly powered off or breaks down, the winding shaft does not rotate, the lifting bearing frame can be guaranteed to be in a static state, the safety of the lifting platform is improved, the pulling force at one end of the pulling rope is reduced through the combination of the movable pulley and the fixed pulley, the driving motor with smaller power can be adopted to work, and therefore the energy-saving performance of the lifting platform is improved.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is an enlarged view of point A of FIG. 1 according to the present invention;
FIG. 3 is a schematic rear perspective view of the present invention;
FIG. 4 is an enlarged view of point B of FIG. 3 according to the present invention;
FIG. 5 is a schematic cross-sectional view of the winding box of the present invention;
FIG. 6 is a schematic sectional view of a guide chute according to the present invention;
FIG. 7 is an enlarged view of point C of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of a connection structure of the elevating carriage according to the present invention;
figure 9 is a front cross-sectional structural schematic view of the fall protection mechanism of the present invention;
FIG. 10 is an enlarged view of point D of FIG. 9 according to the present invention;
figure 11 is a top cross-sectional view of the fall protection mechanism of the present invention.
In the figure: 1. a base plate; 2. a support frame; 3. a top plate; 4. a guide chute; 5. lifting the bearing frame; 6. a frame door; 7. a carriage; 8. a fall protection mechanism; 801. a protective housing; 802. a rotating sleeve; 803. a drive slot; 804. a telescopic rod; 805. a limiting block; 806. a drive column; 807. a drive spring; 808. a synchronizing gear; 809. a control rack; 810. a limiting clamping block; 811. a limiting strip; 812. a limiting groove; 813. a buffer spring; 9. a movable pulley; 10. a fixed pulley; 11. a winding drive mechanism; 1101. a winding box; 1102. a stringing hole; 1103. a winding shaft; 1104. a worm gear; 1105. a worm; 12. pulling a rope; 13. the motor is driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution:
an energy-saving lifting platform with a protection function for building construction comprises a bottom plate 1, wherein the left side and the right side of the upper end surface of the bottom plate 1 are fixedly connected with support frames 2, and the upper ends of the support frames 2 are fixedly connected with a top plate 3; the side surface of the supporting frame 2 is relatively and fixedly connected with a guide chute 4, and the upper side of the bottom plate 1 is provided with a lifting bearing frame 5; the front end of the lifting bearing frame 5 is connected with a frame door 6 through a hinge, the side surfaces of the left end and the right end of the lifting bearing frame 5 are fixedly connected with sliding frames 7, and the sliding frames 7 are connected to the corresponding guide sliding chutes 4 in a sliding manner; the upper end face of the sliding frame 7 is fixedly connected with a falling protection mechanism 8, and the upper end of the falling protection mechanism 8 is connected with a movable pulley 9; the middle part of the lower end surface of the top plate 3 is fixedly connected with a fixed pulley 10, and the upper end surface of the top plate 3 is fixedly connected with a winding driving mechanism 11; the winding drive mechanism 11 includes a winding box 1101: the winding box 1101 is fixedly connected to the upper end face of the top plate 3, and a stringing hole 1102 is formed in the bottom face of the winding box 1101; a winding shaft 1103 is connected to the inside of the winding box 1101 through a bearing, and a rope 12 is wound around the winding shaft 1103; a worm wheel 1104 is connected to one end of the winding shaft 1103 in a key manner, a worm 1105 is connected to the rotating shaft of the driving motor 13, and the worm 1105 is connected with the worm wheel 1104 in a meshing manner; when this lift platform for construction is used to needs, through starting driving motor 13, driving motor 13 rotates and drives worm 1105 and rotate, make worm 1105 drive worm wheel 1104 and rotate, worm wheel 1104 rotates and drives and rotate around spool 1103, make and roll up or emit stay cord 12 around spool 1103, set up the self-locking action who plays to winding spool 1103 through the transmission of worm 1105 and worm wheel 1104, when driving motor 13 cuts off the power supply suddenly or breaks down, do not rotate around spool 1103, thereby can guarantee that lift carriage 5 is in quiescent condition, the security that this lift platform has been improved.
A pull rope 12 is connected between the movable pulley 9 and the fixed pulley 10, the upper end surface of the top plate 3 is fixedly connected with a driving motor 13, and the driving motor 13 is connected with a winding driving mechanism 11; one end of a pull rope 12 is fixedly connected to the upper end position of the shell of the movable pulley 9, the pull rope 12 is wound on the fixed pulley 10 and is wound on the movable pulley 9 through the fixed pulley 10, and the other end of the pull rope 12 is wound in a winding driving mechanism 11; stay cord 12 drives 8 elevating movement of protection machanism that falls through movable pulley 9 and fixed pulley 10 for 8 that fall drive lift carriage 5 through carriage 7 and carry out elevating movement, thereby realize this lift platform for construction's normal operating, reduce the pulling force of stay cord 12 one end through the combination of movable pulley 9 and fixed pulley 10, can adopt the driving motor 13 of less power to carry out work, thereby improved this lift platform's energy-conserving performance.
The fall protection mechanism 8 comprises a protection housing 801: the protective shell 801 is fixedly connected to the upper end position of the sliding frame 7, and the middle position inside the protective shell 801 is connected with a rotating sleeve 802 through a bearing; the inner wall of the rotating sleeve 802 is provided with a driving groove 803, and the middle position of the upper end surface of the protective shell 801 is connected with an expansion link 804 in a vertical sliding manner; a limiting block 805 is fixedly connected to the lower end face of the telescopic rod 804, a driving column 806 is fixedly connected to the lower side of the limiting block 805, and two ends of the driving column 806 are slidably connected into the driving groove 803; the upper end of the limiting block 805 is connected with a driving spring 807, and the driving spring 807 is arranged at the lower side of the inner top surface of the protective shell 801; the side surface of the rotating sleeve 802 is keyed with a synchronizing gear 808, and the side surface of the synchronizing gear 808 is engaged with a control rack 809; one end of the control rack 809 is fixedly connected with a limiting fixture block 810, and the limiting fixture block 810 is slidably connected to the left side and the right side of the protective shell 801; a limiting strip 811 is connected inside the guide chute 4, and a limiting groove 812 is arranged on the side surface of the limiting strip 811; the driving groove 803 is disposed obliquely with respect to the vertical axis of the rotary sleeve 802; the telescopic rod 804 is in a polygon prism shape, and the upper end face of the protective shell 801 is provided with corresponding polygon holes; the control rack 809 is connected with the front side and the rear side of the synchronous gear 808 in a sliding way; the limiting grooves 812 are linearly and equidistantly distributed on the side surfaces of the limiting strips 811, and the limiting blocks 810 are matched with the limiting grooves 812 in size; the limiting clamping blocks 810 are contracted at the inner positions of two ends of the protective shell 801; when the pull rope 12 is normally pulled, the telescopic rod 804 is stressed to be in an extending state, so that the limiting fixture block 810 is in a state of being contracted into the protective shell 801; when the pull rope 12 breaks, the telescopic rod 804 loses upward traction force, the telescopic rod 804 moves downward under the action of the driving spring 807, so that the telescopic rod 804 drives the driving column 806 to slide in the driving groove 803 of the rotary sleeve 802, the rotary sleeve 802 is stressed to rotate, the rotary sleeve 802 rotates to drive the synchronizing gear 808 connected with the side surface of the rotary sleeve 802 to rotate, the synchronizing gear 808 rotates to drive the control racks 809 on the front side and the rear side of the synchronous gear to slide away from each other, the control racks 809 drive the limiting fixture block 810 to extend out of the protective shell 801, the limiting fixture block 810 enters into the limiting groove 812 on the limiting strip 811, the protective shell 801 informs the falling to lock the lifting bearing frame 5, the protection of workers and articles on the lifting bearing frame 5 is realized, and safety accidents are avoided.
The limiting strip 811 is connected inside the guide sliding groove 4 in a vertical sliding manner, and a buffer spring 813 is connected between the lower end face of the limiting strip 811 and the lower end face inside the guide sliding groove 4; when the lifting bearing frame 5 is locked, the limiting strip 811 is driven to slide downwards in the guide sliding groove 4 under the inertia effect of the lifting bearing frame 5, and the lifting bearing frame 5 is buffered through the buffer spring 813 at the lower end of the limiting strip 811, so that the injury of workers due to large sudden stop impact is avoided, the safety of the lifting platform for building construction is further improved, and the content which is not described in detail in the specification belongs to the prior art known by professional technicians in the field.
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 (10)
1. The utility model provides an energy-saving lift platform for construction with safeguard function, includes bottom plate (1), the up end left and right sides position fixedly connected with support frame (2) of bottom plate (1), just the upper end fixedly connected with roof (3) of support frame (2), its characterized in that:
a guide sliding chute (4) is relatively and fixedly connected to the side surface of the support frame (2), and a lifting bearing frame (5) is arranged at the upper side position of the bottom plate (1);
the front end of the lifting bearing frame (5) is connected with a frame door (6) through a hinge, sliding frames (7) are fixedly connected to the side faces of the left end and the right end of the lifting bearing frame (5), and the sliding frames (7) are connected to the corresponding guide sliding chutes (4) in a sliding mode;
the upper end face of the sliding frame (7) is fixedly connected with a falling protection mechanism (8), and the upper end of the falling protection mechanism (8) is connected with a movable pulley (9);
the middle part of the lower end face of the top plate (3) is fixedly connected with a fixed pulley (10), and the upper end face of the top plate (3) is fixedly connected with a winding driving mechanism (11);
a pull rope (12) is connected between the movable pulley (9) and the fixed pulley (10), a driving motor (13) is fixedly connected to the upper end face of the top plate (3), and the driving motor (13) is connected with a winding driving mechanism (11).
2. The energy-saving lifting platform with protection function for building construction as claimed in claim 1, wherein the falling protection mechanism (8) comprises a protection shell (801):
the protective shell (801) is fixedly connected to the upper end position of the sliding frame (7), and the middle position inside the protective shell (801) is connected with a rotating sleeve (802) through a bearing;
a driving groove (803) is formed in the inner wall of the rotating sleeve (802), and a telescopic rod (804) is connected to the middle position of the upper end face of the protective shell (801) in a vertically sliding mode;
a limiting block (805) is fixedly connected to the lower end face of the telescopic rod (804), a driving column (806) is fixedly connected to the lower side of the limiting block (805), and two ends of the driving column (806) are slidably connected into the driving groove (803);
the upper end of the limiting block (805) is connected with a driving spring (807), and the driving spring (807) is arranged at the lower side of the inner top surface of the protective shell (801);
a synchronous gear (808) is connected to the side surface of the rotating sleeve (802) in a key manner, and a control rack (809) is connected to the side surface of the synchronous gear (808) in a meshing manner;
one end of the control rack (809) is fixedly connected with a limiting clamping block (810), and the limiting clamping block (810) is connected to the left side and the right side of the protective shell (801) in a sliding manner;
the inside connection of direction spout (4) has spacing (811), just be provided with spacing groove (812) on the side of spacing (811).
3. The energy-saving lifting platform with the protection function for building construction as claimed in claim 2, wherein: the limiting strip (811) is connected to the inside of the guide sliding groove (4) in a vertical sliding mode, and a buffer spring (813) is connected between the lower end face of the limiting strip (811) and the lower end face of the inside of the guide sliding groove (4).
4. The energy-saving building construction lifting platform with the protection function according to claim 1, wherein the winding driving mechanism (11) comprises a winding box (1101):
the winding box (1101) is fixedly connected to the upper end face of the top plate (3), and a rope threading hole (1102) is formed in the bottom face of the winding box (1101);
a winding shaft (1103) is connected to the inside of the winding box (1101) through a bearing, and a pull rope (12) is wound on the winding shaft (1103);
and a worm wheel (1104) is connected to one end of the winding shaft (1103) in a key way, a worm (1105) is connected to the rotating shaft of the driving motor (13), and the worm (1105) is in meshed connection with the worm wheel (1104).
5. The energy-saving lifting platform with the protection function for building construction as claimed in claim 1, wherein: one end of the pull rope (12) is fixedly connected to the upper end of the shell of the movable pulley (9), the pull rope (12) is wound on the fixed pulley (10) and is wound on the movable pulley (9) through the fixed pulley (10), and the other end of the pull rope (12) is wound in the winding driving mechanism (11).
6. The energy-saving lifting platform with the protection function for building construction as claimed in claim 3, wherein: the drive slot (803) is arranged obliquely with respect to the vertical axis of the rotating sleeve (802).
7. The energy-saving lifting platform with the protection function for building construction as claimed in claim 6, wherein: the structure shape of the telescopic rod (804) is polygonal, and the upper end face of the protective shell (801) is provided with corresponding polygonal holes.
8. The energy-saving lifting platform with the protection function for building construction as claimed in claim 2, wherein: the control rack (809) is connected to the front side and the rear side of the synchronous gear (808) in a sliding manner.
9. The energy-saving lifting platform with the protection function for building construction as claimed in claim 8, wherein: the limiting groove (812) is linearly and equidistantly distributed on the side surface of the limiting strip (811), and the limiting clamping block (810) is matched with the limiting groove (812) in size.
10. The energy-saving lifting platform with the protection function for building construction as claimed in claim 9, characterized in that: the limiting clamping blocks (810) are contracted at the inner positions of two ends of the protective shell (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256322.7A CN114590755A (en) | 2022-03-16 | 2022-03-16 | Energy-saving lifting platform for construction with safeguard function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256322.7A CN114590755A (en) | 2022-03-16 | 2022-03-16 | Energy-saving lifting platform for construction with safeguard function |
Publications (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140675A (en) * | 2022-06-30 | 2022-10-04 | 深圳优地科技有限公司 | Lifting assembly and unmanned vehicle |
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