CN222204653U - Lifting machine for building engineering - Google Patents

Abstract

The utility model provides a lifting machine for constructional engineering, which belongs to the technical field of lifting machines and comprises a plurality of upright post assemblies, wherein the upright post assemblies are connected in an inserted manner in the vertical direction, a lifting table is connected to the outer wall of each upright post assembly in a sliding manner, a carrier plate is fixedly arranged at the front end of each lifting table, a sliding groove is formed in the top end of each carrier plate, the sliding grooves are arranged in the front-rear direction, a sliding block is connected in the sliding grooves in a sliding manner, a charging groove body is fixedly arranged at the top end of each sliding block, a first motor is arranged at the bottom end of each carrier plate, and a driving mechanism is arranged in each carrier plate. The lifting machine for the building engineering improves the lifting height of the carrier plate through the assembly between the upright post assemblies, and adjusts the lifting height of the carrier plate through the lifting mechanism.

Description

Lifting machine for building engineering

Technical Field

The utility model belongs to the technical field of elevators, and particularly relates to an elevator for constructional engineering.

Background

The Chinese patent application number 202420513923.6 discloses a lifting machine for construction engineering, by starting a micro oil pump, the micro oil pump pumps lubricating oil in an oil storage tank into an oil outlet pipe through the oil pumping pipe, the lubricating oil is dripped on a chain through the oil outlet pipe, so that the chain is lubricated, redundant lubricating oil after being lubricated on the chain after contacting with the chain is dripped on a filtering mechanism, the lubricating oil is purified by the filtering mechanism and flows into the oil storage tank again, the recycling of the lubricating oil is achieved, and the chain in the lifting machine for construction engineering is well lubricated;

However, when the existing lifting machine is used for taking materials, a worker is required to manually slide the charging groove, after the materials are conveyed upwards through the lifting machine, the worker taking the materials above can be separated from the materials by a certain distance, and a certain safety risk exists when the worker probes to pull the charging groove, so that the worker is easy to drop from a high place, and the practicability is poor.

Disclosure of utility model

In order to solve the problem that the staff is inconvenient to take materials in the prior art, the utility model provides a lifting machine for construction engineering, and the lifting machine adopts a driving mechanism to combine with a charging groove body to achieve the effect that the charging groove body automatically moves to the staff, and the concrete technical scheme is as follows: the elevator for the building engineering comprises a plurality of upright column assemblies, wherein the upright column assemblies are spliced and connected along the vertical direction, a lifting table is connected to the outer wall of the upright column assemblies in a sliding mode, a carrier plate is fixedly arranged at the front end of the lifting table, a sliding groove is formed in the top end of the carrier plate, the sliding groove is arranged along the front-back direction, a sliding block is connected in the sliding groove in a sliding mode, a loading groove body is fixedly arranged at the top end of the sliding block, a first motor is arranged at the bottom end of the carrier plate, and a driving mechanism is arranged in the carrier plate and connected with the first motor and the sliding block respectively.

Preferably, the upright post assembly comprises two upright posts, a connecting plate, slots and inserting blocks, wherein the connecting plate is welded between the two upright posts, the slots are formed in the top ends of the upright posts, the inserting blocks are arranged at the bottom ends of the upright posts, and the inserting blocks are matched with the slots.

Preferably, the top end the roof is installed on the top of stand subassembly, and the bottom the base is installed to the bottom of stand subassembly, mounting panel one and mounting panel two are installed respectively on the top of base, the bracket is installed on the top of mounting panel one, the bracket is located under the carrier plate, elevating system is installed on the top of mounting panel two, elevating system with the elevating platform links to each other, the universal wheel is all installed in the bottom four corners of base.

Preferably, the lifting platform comprises a vertical plate, two side plates, a first rotating shaft, a second rotating shaft, a first laminating wheel and a second laminating wheel, wherein the two side plates are symmetrically arranged at the rear end of the vertical plate, the side plates are positioned at the outer sides of the vertical column assembly, the opposite ends of the two side plates are respectively connected with the first rotating shaft and the second rotating shaft in a rotating mode, the first laminating wheel is fixedly sleeved on the outer wall of the first rotating shaft, the second laminating wheel is fixedly sleeved on the outer wall of the second rotating shaft, the first laminating wheel is in rolling lamination with the front end of the vertical column, and the second laminating wheel is in rolling lamination with the rear end of the vertical column.

Preferably, the lifting mechanism comprises a frame body, a second motor, a fifth connecting shaft, a steel wire rope, a guide wheel and a connecting block, wherein the frame body is arranged at the top end of the second mounting plate, the second motor is arranged on the outer wall of one side of the frame body, the fifth connecting shaft is rotationally connected to the inner wall of the frame body, the fifth connecting shaft is connected with the second motor, the steel wire rope is wound on the outer wall of the fifth connecting shaft, the guide wheel is rotationally connected to the bottom end of the top plate, the connecting block is arranged at the front end of the vertical plate, the free end of the steel wire rope bypasses the guide wheel, and the free end of the steel wire rope is fixedly arranged on the connecting block.

Preferably, the driving mechanism comprises a first connecting shaft, a first chain wheel, a first toothed chain, a second chain wheel and a reciprocating screw rod, wherein the first connecting shaft is installed at the output end of the first motor, one end, far away from the first motor, of the first connecting shaft is rotationally connected to the carrier plate, the first chain wheel is fixedly sleeved on the outer wall of the first connecting shaft, the first toothed chain is meshed with the surface of the first chain wheel, the second chain wheel is meshed with the one end, far away from the first chain wheel, of the first toothed chain, the reciprocating screw rod is fixedly sleeved in a central hole of the second chain wheel, the reciprocating screw rod is rotationally connected in the sliding groove, and the sliding block is in threaded fit on the outer wall of the reciprocating screw rod.

Preferably, the driving mechanism comprises a connecting shaft II, a bevel gear I, a bevel gear II, a connecting shaft III, a chain wheel IV, a toothed chain II, a connecting rod, an inner slide block and an outer slide frame, wherein the connecting shell is fixedly arranged at the front end of the carrier plate, the connecting shaft II is installed at the output end of the motor I, the connecting shaft II is far away from one end of the motor I and rotationally extends into the connecting shell, the connecting shaft II is far away from one end of the motor I, the bevel gear I is fixedly sleeved with the bevel gear I, the surface of the bevel gear I is meshed with the bevel gear II, the connecting shaft III is fixedly sleeved in a central hole of the bevel gear II, the inner side of the carrier plate is provided with the bottom groove, the sliding groove is communicated with the bottom groove, the top end of the connecting shaft III rotationally extends into the bottom groove, the chain wheel III is fixedly sleeved at the top end of the connecting shaft III, the chain wheel IV is meshed with the end of the chain wheel II, the connecting shaft IV is fixedly sleeved in the central hole of the connecting shaft IV, the inner slide block is rotationally connected with the bottom groove, the inner slide block is fixedly connected with the outer slide block is connected with the top end of the inner slide block, and the inner slide block is fixedly connected with the outer slide frame, and the inner slide block is connected with the bottom groove is fixedly connected with the top end of the outer slide frame.

In addition, the elevator for the construction engineering in the technical scheme provided by the utility model can be further characterized in that two limit grooves are symmetrically formed in the front inner wall and the rear inner wall of the outer sliding frame, and limit blocks are slidably connected in the limit grooves.

In the above technical scheme, the two limiting blocks are fixedly connected with the inner slide block.

Compared with the prior art, the lifting machine for the constructional engineering has the beneficial effects that the lifting height of the carrier plate can be improved through the assembly between the upright post assemblies, the lifting height of the carrier plate is adjusted through the lifting mechanism, the first motor is started by a worker, the first motor drives the driving mechanism to work, the driving mechanism drives the sliding block to slide in the sliding groove, the sliding block drives the loading groove body to slide on the carrier plate, the loading groove body moves towards the worker above, the worker above can conveniently take materials, the work safety of the worker above is improved, and the practicability is higher.

Drawings

Fig. 1 is a schematic perspective view of a hoist for construction engineering according to the present utility model;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic view of an exploded view of the column assembly provided by the present utility model;

FIG. 4 is a schematic view of a portion of a lifting platform according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a second embodiment of a lifting platform according to the present utility model;

FIG. 6 is an enlarged view at B of FIG. 5;

FIG. 7 is a schematic top view of a driving mechanism according to an embodiment of the present utility model;

Wherein, the reference numerals and the part names in fig. 1 to 7 are: the device comprises a column component, 2, a lifting table, 3, a carrier plate, 4, a chute, 5, a sliding block, 6, a charging groove body, 7, a motor I, 8, a base, 9, a mounting plate I, 10, a bracket, 11, a mounting plate II, 12, a top plate, 13, universal wheels, 21, a vertical plate, 22, a side plate, 23, a first rotating shaft, 24, a second rotating shaft, 25, a first attaching wheel, 26, a second attaching wheel, 41, a bottom groove, 71, a first connecting shaft, 72, a first sprocket, 73, a first toothed chain, 74, a second sprocket, 75, a reciprocating screw, 76 and a second connecting shaft, 77, connecting shell, 78, bevel gears one, 79, bevel gears two, 710, connecting shafts three, 711, chain wheels three, 712, connecting shafts four, 713, chain wheels four, 714, toothed chains two, 715, connecting rods, 716, inner sliding blocks, 717, outer sliding frames, 718, limiting blocks, 719, limiting grooves, 101, upright posts, 102, connecting plates, 103, slots, 104, inserting blocks, 111, frame bodies, 112, motors two, 113, connecting shafts five, 114, steel wire ropes, 115, guide wheels, 116 and connecting blocks.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1-4, the elevator for construction engineering comprises four upright post assemblies 1, wherein the four upright post assemblies 1 are connected in an inserted manner along the vertical direction, a lifting table 2 is slidably connected to the outer wall of the upright post assemblies 1, a carrier plate 3 is fixedly arranged at the front end of the lifting table 2 through bolts, a sliding groove 4 is formed in the top end of the carrier plate 3, the sliding groove 4 is arranged along the front-rear direction, a sliding block 5 is slidably connected in the sliding groove 4, the sliding groove 4 and the sliding block 5 are of rectangular structures, a charging groove body 6 is fixedly arranged at the top end of the sliding block 5, a motor 7 is fixedly arranged at the bottom end of the carrier plate 3 through a motor seat, and a driving mechanism is arranged in the carrier plate 3 and is respectively connected with the motor 7 and the sliding block 5.

As a preferred scheme, the upright post assembly 1 comprises two upright posts 101, a connecting plate 102, slots 103 and inserting blocks 104, wherein the upright posts 101 are of cylindrical structures, the connecting plate 102 is welded between the two upright posts 101, the slots 103 are formed in the top ends of the upright posts 101, the inserting blocks 104 are arranged at the bottom ends of the upright posts 101, and the inserting blocks 104 are matched with the slots 103.

As a preferred scheme, still further, roof 12 is installed on the top of top stand subassembly 1, base 8 is installed to the bottom of bottom stand subassembly 1, mounting panel one 9 and mounting panel two 11 are installed respectively on the top of base 8, mounting panel one 9 and mounting panel two 11 are along fore-and-aft direction parallel arrangement, bracket 10 is installed on the top of mounting panel one 9, bracket 10 is located the carrier plate 3 under, bracket 10 is used for supporting the carrier plate 3 of decline, elevating system is installed on the top of mounting panel two 11, elevating system links to each other with elevating platform 2, universal wheel 13 is all installed in the bottom four corners of base 8.

As a preferable scheme, the lifting platform 2 comprises a vertical plate 21, two side plates 22, a first rotating shaft 23, a second rotating shaft 24, a first laminating wheel 25 and a second laminating wheel 26, wherein the two side plates 22 are symmetrically arranged at the rear end of the vertical plate 21, the side plates 22 are positioned on the outer side of the vertical column assembly 1, the first rotating shaft 23 and the second rotating shaft 24 are respectively and rotatably connected with the opposite ends of the two side plates 22, the first laminating wheel 25 is fixedly sleeved on the outer wall of the first rotating shaft 23, the second laminating wheel 26 is fixedly sleeved on the outer wall of the second rotating shaft 24, the first laminating wheel 25 is in rolling lamination with the front end of the vertical column 101, and the second laminating wheel 26 is in rolling lamination with the rear end of the vertical column 101.

As a preferable scheme, the lifting mechanism comprises a frame body 111, a motor II 112, a connecting shaft III 113, a steel wire rope 114, a guide wheel 115 and a connecting block 116, wherein the frame body 111 is arranged at the top end of the mounting plate II 11, the motor II 112 is arranged on the outer wall of one side of the frame body 111, the connecting shaft III 113 is rotationally connected to the inner wall of the frame body 111, the connecting shaft III 113 is connected with the motor II 112, the steel wire rope 114 is wound on the outer wall of the connecting shaft III 113, the guide wheel 115 is rotationally connected to the bottom end of the top plate 12, the connecting block 116 is arranged at the front end of the vertical plate 21, the guide wheel 115 is wound on the free end of the steel wire rope 114 from the upper side, and the free end of the steel wire rope 114 is fixedly arranged on the connecting block 116 in a threaded connection mode.

In a preferred scheme, the driving mechanism comprises a first connecting shaft 71, a first sprocket 72, a first toothed chain 73, a second sprocket 74 and a reciprocating screw 75, wherein the first connecting shaft 71 is installed at the output end of the first motor 7, one end of the first connecting shaft 71, which is far away from the first motor 7, is rotatably connected to the carrier plate 3, the first sprocket 72 is fixedly sleeved on the outer wall of the first connecting shaft 71, the first toothed chain 73 is meshed with the surface of the first sprocket 72, the second sprocket 74 is meshed with one end of the first toothed chain 73, the reciprocating screw 75 is fixedly sleeved in a central hole of the second sprocket 74, the reciprocating screw 75 is rotatably connected in the sliding groove 4, the reciprocating screw 75 is arranged along the front-back direction, and the sliding block 5 is in threaded sleeve on the outer wall of the reciprocating screw 75.

The working principle is that when the electric appliance is used, the electric appliance is externally connected with a power supply and a control switch, after the electric appliance is installed, the electric appliance is firstly checked to be fixedly installed and safely protected, then the electric appliance can be used, when the electric appliance is used, a worker prepares enough upright post assemblies 1 according to required height, then an upper inserting block 104 is inserted into a lower inserting groove 103, a wire rope 114 is wound around a guide wheel 115, the wire rope 114 is fixedly threaded on a connecting block 116, a lifting machine is moved to a proper position through a universal wheel 13, then the universal wheel 13 is locked, a motor II 112 is started, the motor II 112 drives a connecting shaft III 113 to rotate, the connecting shaft III 113 winds the wire rope 114, the lifting table 2 is driven to move upwards, the attaching wheel I25 and the attaching wheel II 26 are driven to move upwards along the upright post 101, the lifting plate 3 is stopped to rise after the lifting plate 3 is moved to a proper height, then the upper user controls the motor I7 through a controller to start, the motor I7 drives the connecting shaft I71 to rotate, the connecting shaft I71 is driven by the connecting shaft I72, a toothed chain I73 and a second 74 to drive a sliding block 75 to move back to the sliding block 75, and a material taking body 6 is driven to reciprocate, and a material taking slide 5 is driven to slide to a material taking plate 6 to reciprocate, and a material taking slide 5 is driven to slide to a material taking plate 6 to move a material.

Embodiment two: referring to fig. 5 to 7, a lifter for construction engineering is different from the first embodiment in that the driving mechanism includes: the connecting shaft II 76, the bevel gear I78, the bevel gear II 79, the connecting shaft III 710, the chain wheel III 711, the chain wheel IV 713, the toothed chain II 714, the connecting rod 715, the inner slide 716 and the outer slide frame 717, the connecting shell 77 is fixedly arranged at the front end of the carrier plate 3, the inside of the connecting shell 77 is of a cavity structure, the connecting shaft II 76 is arranged at the output end of the motor I7, one end of the connecting shaft II 76 far away from the motor I7 extends into the connecting shell 77 in a rotating way, the bevel gear I78 is fixedly sleeved at one end of the connecting shaft II 76 far away from the motor I7, the bevel gear II 79 is meshed with the upper surface of the bevel gear I78, the connecting shaft III 710 is fixedly sleeved in the central hole of the bevel gear II 79, the bottom groove 41 is of a rectangular structure, the bottom groove 41 is arranged in the carrier plate 3, the bottom groove 41 is positioned below the sliding groove 4, the sliding groove 4 is communicated with the bottom groove 41, the top of the connecting shaft III 710 rotates and extends into the bottom groove 41, a sprocket III 711 is fixedly sleeved on the top of the connecting shaft III 710, a toothed chain II 714 is meshed with the surface of the sprocket III 711, a sprocket IV 713 is meshed with one end of the toothed chain II 714 far away from the sprocket III 711, a connecting shaft IV 712 is fixedly sleeved in a center hole of the sprocket IV 713, the bottom end of the connecting shaft IV 712 is rotationally connected to the inner bottom end of the bottom groove 41 through a bearing, a connecting rod 715 is fixedly mounted on the top of the toothed chain II 714, an inner slide 716 is rotationally connected to the outer wall of the connecting rod 715 through a bearing, an outer slide frame 717 is in sliding connection with the inner slide 716, the outer slide frame 717 slides along the front-back direction, the outer slide frame 717 is of a rectangular structure, the inner slide 716 is in sliding connection with the outer slide frame 717, and the slide 5 is welded to the top end of the outer slide frame 717.

As a preferred scheme, further, two limiting grooves 719 are symmetrically formed in the front and rear inner walls of the outer sliding frame 717, limiting blocks 718 are slidably connected in the limiting grooves 719, the two limiting blocks 718 are fixedly connected with the inner sliding block 716, and the inner sliding block 716 is slidably limited through the limiting blocks 718 and the limiting grooves 719.

The staff prepares enough upright post assembly 1 according to the required height, then inserts the upper inserting block 104 into the lower inserting groove 103, then winds the steel wire rope 114 around the guide wheel 115, then fixes the steel wire rope 114 on the connecting block 116 through threads, moves the elevator to a proper position through the universal wheel 13, locks the universal wheel 13, starts the motor II 112, drives the connecting shaft III 113 to rotate, winds the steel wire rope 114 through the connecting shaft III 113, drives the lifting platform 2 to move upwards, enables the attaching wheel I25 and the attaching wheel II 26 to move upwards along the upright post 101, stops lifting after the carrier plate 3 moves to a proper height, then controls the motor I7 through the controller, drives the connecting shaft II 76 to rotate, drives the bevel gear II 78 to rotate, enables the bevel gear II 79 to drive the connecting shaft III 710 to rotate, drives the sprocket III 711 to rotate through the toothed chain III 714, drives the sprocket IV 713 to synchronously rotate, the connecting rod 715 moves along with the toothed chain II 714, drives the connecting rod II to move the carrier plate 715 to enable the carrier plate 716 to move to the inner side 6, and then drives the carrier plate 717 to move to the inner side 6, and the carrier plate 717 is further slides to the outer side 6, and then the carrier plate 717 is slid to the outer side 6, and the sliding plate 717 is further slides to the carrier plate 6 and the carrier plate is slid to move outside the carrier plate is slid to the carrier plate 6.

The motor I, the laminating wheel II, the motor II, the steel wire rope and the guide wheel are in the prior art, the motor I is the same structure and the same connection mode in the citation file, the motor II is a three-phase motor and is driven in a bidirectional mode, and only the motor I, the laminating wheel II, the motor II, the steel wire rope and the guide wheel meet the requirements of the scheme.

In the description of the present utility model, the term "plurality" shall mean two or more, unless otherwise explicitly defined, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus shall not be construed as limiting the present utility model, and the terms "connected", "mounted", "fixed", etc. shall be construed broadly, e.g. "connected" may be a fixed connection, may be a detachable connection, or an integral connection, may be a direct connection, or may be an indirect connection via an intermediary. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The elevator for the building engineering comprises upright column assemblies (1), and is characterized in that the number of the upright column assemblies (1) is multiple, the upright column assemblies (1) are connected in an inserted mode along the vertical direction, a lifting table (2) is connected to the outer wall of each upright column assembly (1) in a sliding mode, a carrier plate (3) is fixedly arranged at the front end of each lifting table (2), a sliding groove (4) is formed in the top end of each carrier plate (3), the sliding grooves (4) are arranged along the front-rear direction, a sliding block (5) is connected in the sliding grooves (4) in a sliding mode, a loading groove body (6) is fixedly arranged at the top end of each sliding block (5), a motor I (7) is arranged at the bottom end of each carrier plate (3), and a driving mechanism is arranged in each carrier plate (3) and connected with the motor I (7) and the sliding block (5) respectively.

2. The lifting machine for construction engineering according to claim 1, wherein the upright post assembly (1) comprises two upright posts (101), a connecting plate (102), a slot (103) and an inserting block (104), the connecting plate (102) is welded between the two upright posts (101), the slot (103) is formed in the top end of each upright post (101), the inserting block (104) is arranged at the bottom end of each upright post (101), and the inserting block (104) is matched with the slot (103).

3. The elevator for construction engineering according to claim 2, characterized in that a top plate (12) is installed at the top end of the upright post assembly (1), a base (8) is installed at the bottom end of the upright post assembly (1), a first mounting plate (9) and a second mounting plate (11) are respectively installed at the top end of the base (8), a bracket (10) is installed at the top end of the first mounting plate (9), the bracket (10) is located under the carrier plate (3), a lifting mechanism is installed at the top end of the second mounting plate (11), the lifting mechanism is connected with the lifting table (2), and universal wheels (13) are installed at four corners of the bottom end of the base (8).

4. The elevator for construction engineering according to claim 3, wherein the lifting platform (2) comprises a vertical plate (21), two side plates (22), a first rotating shaft (23), a second rotating shaft (24), a first attaching wheel (25) and a second attaching wheel (26), the two side plates (22) are symmetrically arranged at the rear end of the vertical plate (21), the side plates (22) are located at the outer side of the vertical column assembly (1), the first rotating shaft (23) and the second rotating shaft (24) are respectively and rotatably connected to the opposite ends of the two side plates (22), the first attaching wheel (25) is fixedly sleeved on the outer wall of the first rotating shaft (23), the second attaching wheel (26) is fixedly sleeved on the outer wall of the second rotating shaft (24), the first attaching wheel (25) is in rolling fit with the front end of the vertical column (101), and the second attaching wheel (26) is in rolling fit with the rear end of the vertical column (101).

5. The elevator for construction engineering according to claim 4, wherein the elevator mechanism comprises a frame body (111), a motor II (112), a connecting shaft III (113), a steel wire rope (114), a guide wheel (115) and a connecting block (116), the frame body (111) is installed at the top end of the mounting plate II (11), the motor II (112) is installed on the outer wall of one side of the frame body (111), the connecting shaft III (113) is rotatably connected to the inner wall of the frame body (111), the connecting shaft III (113) is connected with the motor II (112), the steel wire rope (114) is wound on the outer wall of the connecting shaft III (113), the guide wheel (115) is rotatably connected to the bottom end of the top plate (12), the connecting block (116) is installed at the front end of the vertical plate (21), the free end of the steel wire rope (114) is wound around the guide wheel (115), and the free end of the steel wire rope (114) is fixedly installed on the connecting block (116).

6. The elevator for construction engineering according to claim 1, wherein the driving mechanism comprises a first connecting shaft (71), a first sprocket (72), a first toothed chain (73), a second sprocket (74) and a reciprocating screw (75), wherein the first connecting shaft (71) is installed at the output end of the first motor (7), one end, far away from the first motor (7), of the first connecting shaft (71) is rotatably connected to the carrier plate (3), the first sprocket (72) is fixedly sleeved on the outer wall of the first connecting shaft (71), the first toothed chain (73) is meshed with the surface of the first sprocket (72), the second sprocket (74) is meshed with one end, far away from the first sprocket (72), the reciprocating screw (75) is fixedly sleeved in a central hole of the second sprocket (74), the reciprocating screw (75) is rotatably connected to the sliding groove (4), and the sliding block (5) is sleeved on the outer wall of the reciprocating screw (75) in a threaded manner.

7. The elevator for construction engineering according to claim 1, wherein the driving mechanism comprises a second connecting shaft (76), a first bevel gear (78), a second bevel gear (79), a third connecting shaft (710), a third sprocket (711), a fourth sprocket (713), a second toothed chain (714), a connecting rod (715), an inner slide block (716) and an outer slide frame (717), a connecting shell (77) is fixedly arranged at the front end of the carrier plate (3), the second connecting shaft (76) is arranged at the output end of the first motor (7), one end of the second connecting shaft (76) far away from the first motor (7) is rotationally extended into the connecting shell (77), one end of the second connecting shaft (76) far away from the first motor (7) is fixedly sleeved with the first bevel gear (78), the surface of the first bevel gear (78) is meshed with the second bevel gear (79), the third connecting shaft (710) is fixedly sleeved in a central hole of the second bevel gear (79), a bottom groove (41) is formed in the interior of the carrier plate (3), the sliding groove (4) is communicated with the bottom groove (41), one end of the second connecting shaft (76) is rotationally extended into the top end of the third toothed chain (710), the top end of the third connecting shaft (710) is fixedly meshed with the top end of the third toothed chain (710), the novel chain comprises a toothed chain II (714), wherein one end of the toothed chain II (714) is far away from a sprocket III (711), a sprocket IV (713) is meshed with one end of the sprocket IV (713), a connecting shaft IV (712) is fixedly sleeved in a central hole of the sprocket IV, the bottom end of the connecting shaft IV (712) is rotationally connected with the inner bottom end of a bottom groove (41), a connecting rod (715) is fixedly arranged at the top end of the toothed chain II (714), an inner slide block (716) is rotationally connected onto the outer wall of the connecting rod (715), an outer slide frame (717) is slidingly connected onto the bottom groove (41), the outer slide frame (717) slides along the front-back direction, the inner slide block (716) is slidingly connected into the outer slide frame (717), and a slide block (5) is welded on the top end of the outer slide frame (717).

8. The elevator for construction engineering according to claim 7, wherein two limiting grooves (719) are symmetrically formed in front and rear inner walls of the outer sliding frame (717), limiting blocks (718) are slidably connected in the limiting grooves (719), and the two limiting blocks (718) are fixedly connected with the inner sliding block (716).