A double-line vertical lifting device for construction

Through the design of a double-line vertical lifting device, the gear set and cable arranger are used to achieve the synchronous retraction and release of the lifting rope. Combined with the directional pulley and the vertical support frame, the poor stability problem of the single-line lifting device is solved, and the safety and stability of the transportation of construction materials are improved.

CN115872308BActive Publication Date: 2025-10-03GUANGZHOU THIRD CONSTR & ENG CO LTD
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Patent Information

Application Number
CN202211538352.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-01
Publication Date
2025-10-03
Estimated Expiration
2042-12-01

AI Technical Summary

Technical Problem

The lifting rope of existing building lifting devices is usually a single line, resulting in poor stability and a safety hazard of lifting and tilting.

Method used

A double-line vertical lifting device is used, through a motor-driven gear set and rope reel, combined with a cable arranger and transmission mechanism, to achieve synchronous retraction and release of the two ropes. A directional pulley mechanism and a vertical support frame are used to ensure that the ropes are evenly and stably stressed, reducing friction and swinging, and enhancing safety.

Benefits of technology

It improves the stability and safety of lifting operation, ensures the smooth vertical lifting of hoisted objects, reduces rope wear, improves durability, and is easy to install.

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Abstract

The present invention proposes a dual-wire vertical lifting device for construction, comprising a motor, a gear train, and a take-up drum. The take-up drum has two drum sections, which are driven by the motor via the gear train. The device also includes a cable guide and a transmission mechanism. The cable guide comprises a cable guide body, a reciprocating screw, and a polished rod. The cable guide body has a cable guide groove at the top, a vertical pulley at the rear, and two transverse pulleys on either side of the front. Two cable guide bodies are mounted on the two threaded screw sections, with the initial positions of the two cable guide bodies being located on the left-hand and right-hand spiral grooves, respectively. The take-up drum drives the reciprocating screw via the transmission mechanism, causing the two cable guide bodies to reciprocate in opposite directions. A directional pulley mechanism, a locking mechanism, and a vertical triangular support frame are further provided in front of the cable guide to ensure stable and directional pulling of the lifting rope and to allow for temporary anchoring and locking. The present invention enables dual-wire lifting and offers the advantages of safety, stability, and reliability.
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Description

Technical Field

[0001] The invention relates to a transport device for building construction, in particular to a double-line vertical lifting device for construction. Background Art

[0002] An existing lifting device for construction transportation includes a rope-taking drum driven by a motor and a lifting rope wound on the rope-taking drum. The end of the lifting rope is connected to a hanging basket, a hanging cage, etc. for placing the materials to be transported. This lifting device has a relatively simple structure and is very convenient for transportation. In addition, when installed, it is fixed to the roof or the upper floor of the building, and the hanging basket, hanging cage, etc. are suspended on the outer wall of the building by the lifting rope. Therefore, its installation and operation are also very simple and convenient. It is a commonly used equipment for transporting construction materials up and down during the construction process, and is often used for lifting exterior wall construction materials on lower floors. The shortcomings of the existing lifting device for construction transportation are that it usually has only one lifting rope, that is, single-line lifting, which has the disadvantage of poor stability. It is easy to have the disadvantage of lifting and tilting during transportation, and there are great safety hazards. Therefore, it is necessary to improve it. Summary of the Invention

[0003] The purpose of the present invention is to propose a double-line vertical lifting device for construction, which can realize double-line lifting, thereby improving the stability of operation, effectively ensuring the stability of vertical lifting and transportation of building materials, and has the advantages of safe, stable and reliable use.

[0004] The purpose of the present invention can be achieved through the following technical solutions:

[0005] A double-line vertical lifting device for construction, which includes a motor, a gear set and a rope-taking drum; the output shaft of the motor is connected to a reducer; the rope-taking drum is a cylindrical structure, which includes two drum parts arranged laterally at intervals, and the two ends of the rope-taking drum respectively have a drum end shaft, the gear set includes a first gear, and a second gear externally meshed with the first gear, the second gear is arranged on a drum end shaft of the rope-taking drum, and the first gear is arranged on the output shaft of the reducer driven by the motor, so that the motor drives the gear set through the reducer to connect with the rope-taking drum to form a power mechanism, and then the output shaft of the motor drives the rope-taking drum to rotate through the gear set, which is characterized in that it also includes a wire arranger and a transmission mechanism.

[0006] The cable arranger includes a cable arranger body, a reciprocating screw rod and a light rod; the reciprocating screw rod is rotatably arranged in front of the rope reel, and the two drum parts corresponding to the rope reel on the reciprocating screw rod are respectively provided with two threaded screw rod parts, and the outer wall of each threaded screw rod part has two thread grooves with the same pitch and opposite rotation directions, and the two spiral grooves are respectively left-handed spiral grooves and right-handed spiral grooves. The light rod is fixedly arranged directly below the reciprocating screw rod; the cable arranger body is a block structure, and its top has a longitudinally arranged cable arranger. Groove, the cable tray body is located at the rear of the cable tray and is provided with a vertical pulley, and is located on both sides of the front of the cable tray. There are two horizontal pulleys, and two cable tray bodies are symmetrically provided on the two threaded screw parts of the reciprocating screw rod. The middle part of the cable tray body has a threaded hole that is spirally connected to the reciprocating screw rod, and the lower part has a through hole that is movably connected to the light rod; the initial connection position of the cable tray body on one threaded screw rod part is on the left-hand spiral groove, and the initial connection position of the cable tray body on the other threaded screw rod part is on the right-hand spiral groove.

[0007] The transmission mechanism includes a third gear, a fourth gear, and a transmission toothed belt connecting the third gear and the fourth gear. The third gear is arranged on the other drum end shaft of the rope taking-up drum, and the fourth gear is arranged on one end of the reciprocating screw rod of the cable arranger; the rotation of the rope taking-up drum can drive the third gear to rotate, and the reciprocating screw rod of the cable arranger is driven to rotate through the transmission mechanism, thereby realizing the reciprocating movement of the cable arranger body on the reciprocating screw rod respectively. The moving speed of the cable arranger body and the rotation speed of the rope taking-up drum reach a corresponding ratio through the meshing transmission of gears and toothed belts, thereby realizing the steady retraction and release of the traction rope of the hoisting mechanism (referred to as the hoisting rope) on the rope taking-up drum.

[0008] According to the optimized solution, two directional pulley mechanisms are fixedly provided in the front middle part of the two threaded screw parts of the reciprocating screw, and the directional pulley mechanism includes a vertical column and a directional groove longitudinally arranged on the top of the vertical column. A front pulley is vertically provided on the vertical column in front of the directional groove, and two rear pulleys are horizontally provided on both sides of the rear part of the directional groove.

[0009] Furthermore, a directional slot sealing plate for sealing the directional slot is installed on the top of the vertical column of the directional pulley mechanism.

[0010] The locking mechanism comprises a locking rod, a movable locking piece and a supporting spring; the movable locking piece comprises a locking plate portion, two symmetrically arranged locking column portions and a locking block portion in sequence, the middle portion of the locking plate portion is provided with a movable through-hole, and the bottom surface of the locking block portion is provided with an arc-shaped clamp; the middle portion of the directional slot sealing plate is provided with a locking through-hole, and two symmetrical side through-holes are provided on both sides of the locking through-hole, and the locking mechanism is movably placed in the directional slot of the directional pulley mechanism by the locking block portion of the movable locking piece, and its arc-shaped clamp is located above the front pulley, and the two locking column portions respectively pass through the two side through-holes of the directional slot sealing plate, so that the locking plate portion of the movable locking piece is located above the directional slot sealing plate; the locking rod is a screw structure, which movably passes through the movable through-hole of the movable locking piece and is threadedly connected to the locking through-hole of the directional slot sealing plate; the supporting spring comprises two, which are respectively sleeved on the two locking column portions of the movable locking piece, and the two ends of the supporting spring respectively contact the locking plate portion of the movable locking piece and the directional slot sealing plate.

[0011] The locking rod can be twisted and moved downward to its end to push the locking block part of the movable locking piece downward, so that the arc-shaped clamping head of the locking block part presses the front pulley, and the support spring is compressed to store force; the locking rod can also be twisted and moved upward to make its end leave the locking block part of the movable locking piece, and the support spring is reset to lift and reset the movable locking piece, thereby making the arc-shaped clamping head of the movable locking piece leave the front pulley.

[0012] The optimized solution of the present invention also includes a facade support frame, which is a horizontally arranged right-angled tripod structure, and is fixed to the front and lower side of the directional pulley mechanism through two symmetrically arranged longitudinal support rods. The facade support frame has a horizontal bar, and two vertical rods and two longitudinal rods located at both ends of the horizontal bar. There is a diagonal brace between the vertical rod and the longitudinal rod, and two symmetrically arranged connecting rods connect the two longitudinal support rods to the two ends of the horizontal bar respectively; the ends of the two longitudinal rods respectively have a facade guide block, and the facade guide blocks have a vertically arranged facade guide groove, and the rear part of the facade guide groove is vertically provided with a rear guide wheel and the front part is vertically provided with a front guide wheel.

[0013] Furthermore, the upper front side of the vertical guide block has an arc-shaped recess, and the rear guide wheel is hidden under the arc-shaped recess.

[0014] According to an optimized solution, a cable trough sealing plate for sealing the cable trough is further installed on the top of the cable trough body of the cable trough.

[0015] An optimized solution of the present invention also includes a cage, wherein a lifting rope is connected to each side of the cage, and the upper end of the lifting rope passes through the vertical guide groove of the vertical guide block, the directional groove of the directional pulley mechanism and the cable groove of the cable arranger in sequence and is wound around the drum part of the rope reel to realize rope reeling and releasing, thereby causing the cage to rise or fall.

[0016] Optimization solution, the present invention also includes a base frame, the motor is fixed to the base frame through the motor bracket, the rope reel is fixed through the reel bracket, the cable arranger is fixed through the cable arranger bracket, the directional pulley mechanism is fixed through the vertical column, and the facade support frame is fixed through the longitudinal support rod.

[0017] The present invention has the following outstanding substantive features and significant advancements:

[0018] 1. The present invention realizes the synchronous winding of two lifting ropes by means of two symmetrically arranged cable traversing bodies on the cable traversing device, and the two cable traversing bodies always move in opposite directions, so that even in the winding state, the two lifting ropes always keep the mutually directed inward forces generated by the two cable traversing devices offsetting each other, thereby realizing double-line lifting and effectively ensuring the stability of the lifting operation.

[0019] 2. The present invention further realizes two positioning positions respectively by arranging two directional pulley mechanisms in front of the cable arranging device, converting the directional pulling force of the two cable arranging device bodies on the suspension rope into directional pulling force, so that the force on the suspension rope is uniform and stable, thereby further ensuring the stability of the suspension rope winding and enhancing the operation stability.

[0020] 3. The present invention further uses vertical pulleys and horizontal pulleys to make the contact between the lifting rope and the cable tray body a sliding contact, effectively reducing the friction of the lifting rope passing through the cable tray position of the cable tray body, thereby improving the durability of the lifting rope; and further uses the cable tray sealing plate to seal the cable tray position, thereby reducing the swing of the lifting rope in the cable tray position and avoiding rope slippage.

[0021] 4. The present invention further uses the front pulley and the rear pulley to make the contact between the suspension rope and the directional pulley mechanism a sliding contact, effectively reducing the friction of the suspension rope passing through the directional groove position of the directional pulley mechanism, thereby improving the durability of the suspension rope; and further uses the directional groove sealing plate to block the directional groove, thereby reducing the swing of the suspension rope at the directional groove position and avoiding rope slippage.

[0022] 5. The present invention further uses the locking mechanism in non-operating situations or situations requiring special positioning or temporary immobility. Specifically: during normal operation, the locking mechanism is in the rope-releasing state, and the rope can easily pass through the directional slot and then move up and down to achieve rope collection and release; in non-operating situations or situations requiring special positioning, the locking mechanism can be adjusted to the rope-locking state, so that the arc-shaped clamping head of the locking mechanism is pressed against the front pulley in the directional slot, thereby clamping the rope and ensuring that the rope stops moving.

[0023] 6. The present invention further utilizes a facade support frame to keep the suspension rope away from the exterior wall and enhance the overall strength of the suspension rope, thereby strengthening the rope's firmness and stability, thereby enhancing safe operation. Furthermore, the facade support frame is provided with an arc-shaped recessed portion to reduce obstruction of the suspension rope by the facade guide block, thereby improving rope release efficiency and preventing rope wear.

[0024] 7. The present invention further improves the stability of the overall structure and the convenience of installation through the base frame. The base frame can be fastened and installed on the building floor through bolts and other connecting parts, so that the whole machine can be transported and installed, and the installation is very efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic structural diagram of the double-line vertical lifting device for construction in Example 1.

[0026] Figure 2 This is a schematic diagram of the main view of the double-line vertical lifting device for construction in Example 1.

[0027] Figures 3 to 6 This is a partial structural diagram of the cable arrangement device and directional pulley mechanism of Example 1, wherein Figure 5 This is a schematic diagram of the movable locking element in Example 1 in the rope-releasing state. Figure 6 This is a schematic diagram of the movable locking element in Example 1 in the rope locking state.

[0028] Figure 7 This is a structural schematic diagram of the directional slot sealing plate in the directional pulley mechanism of Example 1.

[0029] Figure 8 Schematic diagram of the structure of the movable locking member in the directional pulley mechanism of Example 1 (two visual angles).

[0030] Figure 9 This is a schematic structural diagram of the facade support frame of Example 1.

[0031] Figure 10 This is a schematic structural diagram of the facade guide block in the facade support frame of Example 1.

[0032] Figure 11 This is a schematic structural diagram of a double-line vertical lifting device for construction according to Example 2. DETAILED DESCRIPTION

[0033] The present invention will be further described below with reference to the accompanying drawings.

[0034] Example 1

[0035] refer to Figures 1 to 10 A double-line vertical lifting device for construction includes a motor 1, a gear set, a rope reel 2, a wire arrangement device and a transmission mechanism.

[0036] Specific reference Figure 1 and Figure 2 The rope-taking drum 2 is a cylindrical structure and includes two drum portions 21 arranged laterally at intervals. Both ends of the rope-taking drum 2 have drum end shafts. The gear set includes a first gear 91 and a second gear 92 externally meshed with the first gear 91. The second gear 92 is provided on a drum end shaft of the rope-taking drum 2. The first gear 91 is provided on the output shaft of the motor 1, so that the motor 1 is connected to the rope-taking drum 2 through the gear set to form a power mechanism, thereby realizing that the output shaft of the motor 1 drives the rope-taking drum 2 to rotate through the gear set.

[0037] Specific reference Figures 3 to 6 The cable arranger includes a cable arranger body 3, a reciprocating screw rod 4 and a light rod 40; the reciprocating screw rod 4 is rotatably arranged in front of the rope-receiving drum 2, and the two drum parts 21 corresponding to the rope-receiving drum 2 on the reciprocating screw rod 4 are respectively provided with two threaded screw rod parts 41, and the outer wall of each threaded screw rod part 41 has two thread grooves with the same pitch and opposite rotation directions, and the two spiral grooves are left-handed spiral grooves and right-handed spiral grooves respectively. The light rod 40 is fixedly arranged directly below the reciprocating screw rod 4; the cable arranger body 3 is a block structure, and a longitudinally arranged cable groove 30 is provided on its top, and a cable groove sealing plate 33 is installed on the top of the cable arranger body 3 to block the cable groove 30.

[0038] The cable arranger body 3 is located at the rear of the cable trough 30 and is provided with a vertical pulley 31, and is located on both sides of the front of the cable trough 30. Two horizontal pulleys 32 are provided on the two threaded screw parts 41 of the reciprocating screw rod 4. Two cable arranger bodies 3 are symmetrically provided. The middle part of the cable arranger body 3 has a threaded hole that is spirally connected to the reciprocating screw rod 4, and the lower part has a through hole that is movably connected to the smooth rod 40; the initial connection position of the cable arranger body 3 on one threaded screw part 41 is on the left-handed spiral groove, and the initial connection position of the cable arranger body 3 on the other threaded screw part 41 is on the right-handed spiral groove.

[0039] The transmission mechanism includes a third gear 93, a fourth gear 94, and a transmission belt 95 that connects the third gear 93 and the fourth gear 94. The third gear 93 is arranged on the other drum end shaft of the rope-taking drum 2, and the fourth gear 94 is arranged on one end of the reciprocating screw rod 4 of the wire arrangement device.

[0040] In this embodiment, the output shaft of the motor 1 is connected to a reducer 100. After the motor 1 is started, the motor 1 drives the gear set through the reducer 100 to form a transmission connection with the rope-taking drum 2 to form a power mechanism, thereby enabling the output shaft of the motor 1 to drive the rope-taking drum 2 to rotate through the gear set. The rotation of the rope-taking drum 2 drives the third gear 93 to rotate, and the reciprocating screw rod 4 of the cable arranger is driven to rotate through the transmission mechanism, thereby enabling the cable arranger body 3 to reciprocate on the reciprocating screw rod 4.

[0041] As described above, in this embodiment, the two cable guide bodies 3 are symmetrically arranged, and the initial connection position of the cable guide body 3 on one threaded screw portion 41 is on the left-handed spiral groove, and the initial connection position of the cable guide body 3 on the other threaded screw portion 41 is on the right-handed spiral groove. Its function is that when the reciprocating screw 4 rotates, under the limiting effect of the light rod 40 on the cable guide body 3, the cable guide body 3 only performs a translational movement and does not rotate. The cable guide body 3 on one threaded screw portion 41 translates along the left-handed spiral groove, while the cable guide body 3 on the other threaded screw portion 41 translates along the right-handed spiral groove, that is, when the reciprocating screw 4 rotates, the two cable guide bodies 3 translate in opposite directions. In addition, the symmetrical arrangement of the two cable guide bodies 3 also allows the two cable guide bodies 3 that translate in opposite directions to always remain symmetrical.

[0042] In this embodiment, two directional pulley mechanisms are fixedly mounted in the front and center portions of the two threaded screw portions 41 of the reciprocating screw 4. These directional pulley mechanisms comprise a vertical column 5 and a directional slot 50 longitudinally disposed at the top of the column 5. A front pulley 51 is vertically mounted on the column 5 in front of the directional slot 50, and two rear pulleys 52 are laterally mounted on either side of the rear of the directional slot 50. Furthermore, a directional slot sealing plate 53 is mounted on the top of the column 5 to block the directional slot 50. These two directional pulley mechanisms are used to achieve two positioning positions at the front of the cable guide, corresponding to the two cable guide bodies 3.

[0043] Specific reference Figures 5 to 8 In this embodiment, a locking mechanism is further provided on the directional slot sealing plate 53, and the locking mechanism includes a locking rod 6, a movable locking member 61 and two supporting springs 60; the movable locking member 61 sequentially includes a locking plate portion 62, two symmetrically arranged locking column portions 63 and a locking block portion 64, and the middle portion of the locking plate portion 62 has a movable through-hole 621. In this embodiment, the edge of the locking plate portion 62 also has two symmetrical mounting holes for mounting two locking column portions 63. The top middle portion of the locking column portion 63 has a screw-shaped column portion 630, and the mounting hole passing through the locking plate portion 62 is fastened by a nut 631, as shown in FIG. Figure 8The bottom surface of the locking block 64 has an arc-shaped clamping head 641 ; the middle of the directional slot sealing plate 53 has a locking through-hole 531 and two symmetrical side through-holes 532 on both sides of the locking through-hole 531 . During assembly, the locking mechanism is first movably placed by the locking block portion 64 of the movable locking piece 61 in the directional groove 50 of the directional pulley mechanism, and its arc-shaped clamping head 641 is located above the front pulley 51, and the two locking column portions 63 are movably passed through the two side through-holes 532 of the directional groove sealing plate 53. Then, the two supporting springs 60 are respectively sleeved on the two locking column portions 63 of the movable locking piece 61, and the locking plate portion 62 is correspondingly sleeved on the screw-shaped column portions 630 of the two locking column portions 63 through the two mounting holes and tightened by the nuts 631, so that the locking plate portion 62 of the movable locking piece 61 is located above the directional groove sealing plate 53, and the two ends of the supporting spring 60 respectively contact the locking plate portion 62 of the movable locking piece 61 and the directional groove sealing plate 53; the locking rod 6 is a screw structure, which movably passes through the movable through-hole 621 of the movable locking piece 61 and is threadedly connected to the locking through-hole 531 of the directional groove sealing plate 53.

[0044] The lock rod 6 can be twisted and moved downward to its end to push the lock block portion 64 of the movable lock member 61 downward, so that the arc-shaped clamping head 641 of the lock block portion 64 presses the front pulley 51, so as to achieve the following Figure 6 The locking rod 6 can also be twisted to move upward so that its end leaves the locking block 64 of the movable locking member 61, and the supporting spring 60 is reset to lift the movable locking member 61 and reset it, thereby causing the arc-shaped clamping head 641 of the movable locking member 61 to leave the front pulley 51 and restore to the state as shown in the figure. Figure 5 The rope release status.

[0045] Specific reference Figure 9 and Figure 10 In this embodiment, a vertical support frame 7 is fixedly mounted on the lower front side of the directional pulley mechanism via two symmetrically arranged longitudinal support rods 70. The vertical support frame 7 is a horizontally arranged right-angled tripod-like structure. The vertical support frame 7 comprises a horizontal bar 71, two vertical bars 72 and two longitudinal bars 73 located at either end of the horizontal bar 71. A diagonal brace 74 is provided between the vertical bar 72 and the longitudinal bar 73. Two symmetrically arranged connecting rods 76 connect the two longitudinal support rods 70 to the two ends of the horizontal bar 71, respectively. The ends of the two longitudinal bars 73 each have a vertical guide block 8, each having a vertical guide groove 81. A rear guide wheel 82 is vertically mounted in the rear of the guide groove 81, and a front guide wheel 83 is vertically mounted in the front of the guide groove 81. The vertical support frame 7 is located in front of the directional pulley mechanism to achieve positioning and extension in an expanded space.

[0046] In this embodiment, the front upper side of the vertical guide block 8 has an arc-shaped recess 84, and the rear guide wheel 82 is hidden under the arc-shaped recess 84. The arc-shaped recess 84 can reduce the obstruction of the vertical guide block 8 to the suspension rope, improve the rope release efficiency, and prevent the suspension rope from being worn.

[0047] The double-line vertical lifting device for construction of this embodiment is used to retract and extend the lifting rope. Figure 11 As shown in the figure, two lifting ropes 96 are sequentially passed through the vertical guide groove 81 of the vertical guide block 8, the directional groove 50 of the directional pulley mechanism, and the cable groove 30 of the cable arranger, and the upper ends of the two lifting ropes 96 are wound around the drum portion 21 of the rope reel 2. The lower ends of the two lifting ropes 96 can be symmetrically connected to the hoist cage 9 of the object to be lifted as shown in the figure. When in use, the double-line vertical lifting device for construction is fastened and installed on the floor of the construction building near the outer wall. The end of the longitudinal support rod 70 extends out of the outer wall so that the vertical support frame 7 is suspended near the outer wall surface. The vertical support frame 7 allows the object to be lifted to be vertical and away from the outer wall surface. After the motor 1 is started, the rope-taking drum 2 rotates and drives the reciprocating screw 4 of the cable arranger to rotate, so that the two cable arranger bodies 3 with the lifting ropes passed through them move symmetrically on the reciprocating screw 4, that is, the two cable arranger bodies 3 move relative to each other at the same time or move in opposite directions at the same time, so that the two lifting ropes are taken up and released at the same time by the rope-taking drum 2, and the two lifting ropes always remain symmetrical when taking up and releasing the ropes, thereby effectively avoiding the shaking of the object to be lifted due to the asymmetry of the two lifting ropes, and effectively ensuring the stability and safety of the lifting.

[0048] Example 2

[0049] refer to Figures 1 to 11 The double-line vertical lifting device for construction in this embodiment also includes a base frame 10 and a cage 9.

[0050] The motor 1 of the double-wire vertical lifting device for construction is fixed to the base frame 10 through the motor bracket 101, the rope reel 2 is fixed to the reel bracket 102, the cable arranger is fixed to the cable arranger bracket 103, the directional pulley mechanism is fixed to the vertical column 5, and the facade support frame 7 is fixed to the longitudinal support rod 70.

[0051] A lifting rope 96 is connected to each side of the cage 9, for a total of two lifting ropes 96. The lower ends of the lifting ropes 96 are connected to the cage 9 via inverted V-shaped lifting rings 90 to ensure the stability of the connection between the lower ends of the lifting ropes 96 and the cage 9. The upper ends of the lifting ropes 96 pass through the vertical guide grooves 81 of the vertical guide blocks 8, the directional grooves 50 of the directional pulley mechanism, and the cable grooves 30 of the cable guide, and are wound around the drum portion 21 of the rope reel 2. The lifting ropes 96 are then reeled in and out of the construction double-wire vertical lifting device, thereby raising or lowering the cage 9.

[0052] During use, the base frame 10 is fastened and installed on the floor of the construction building near the outer wall, and the end of the longitudinal support rod 70 extends out of the outer wall so that the facade support frame 7 is suspended near the outer wall. The object to be lifted in this embodiment is a cage 9, which is vertically lifted and lowered by a double-line vertical lifting device for construction. It is very suitable for use in a site environment with a narrow outer wall working space, such as a construction site environment where there are two buildings with a narrow distance between them and construction materials need to be transported to the upper floor of one of the buildings. The double-line vertical lifting device for construction in this embodiment can be used to place the construction materials in the cage 9 for vertical upward transportation. The cage 9 is smoothly lifted and lowered under the traction of two lifting ropes 96, i.e., double ropes, and has the characteristics of stable and reliable operation.

Claims

1. A double-line vertical lifting device for construction, comprising a motor (1), a gear set and a rope-taking drum (2); the output shaft of the motor (1) is connected to a reducer (100); the rope-taking drum (2) is a cylindrical structure, comprising two drum portions (21) arranged laterally at intervals, and each end of the rope-taking drum (2) has a drum end shaft, the gear set comprises a first gear (91), and a second gear (92) externally meshed with the first gear (91), the second gear (92) being arranged on a drum end shaft of the rope-taking drum (2), the first gear (91) being arranged on the output shaft of the reducer (100) driven by the motor (1), so that the motor (1) drives the gear set through the reducer (100) to be connected to the rope-taking drum (2) to form a power mechanism, thereby realizing that the output shaft of the motor (1) drives the rope-taking drum (2) to rotate through the gear set, characterized in that: It also includes a cable arranging device and a transmission mechanism; The cable arranger comprises a cable arranger body (3), a reciprocating screw rod (4) and a light rod (40); the reciprocating screw rod (4) is rotatably arranged in front of the rope reel (2), and the two reel parts (21) corresponding to the rope reel (2) on the reciprocating screw rod (4) are respectively provided with two threaded screw rod parts (41), and the outer wall of each threaded screw rod part (41) has two thread grooves with the same pitch and opposite rotation directions, and the two spiral grooves are respectively a left-hand spiral groove and a right-hand spiral groove. The light rod (40) is fixedly arranged directly below the reciprocating screw rod (4); the cable arranger body (3) is a block structure, and its top is provided with a longitudinally arranged cable arrangement groove (30). The cable arranging device body (3) is provided with a vertical pulley (31) at the rear of the cable arranging groove (30), and two horizontal pulleys (32) are provided on both sides of the front of the cable arranging groove (30). Two cable arranging device bodies (3) are symmetrically provided on the two threaded screw rod parts (41) of the reciprocating screw rod (4). The middle part of the cable arranging device body (3) has a threaded hole for spiral connection with the reciprocating screw rod (4), and the lower part has a through hole for movably connecting with the light rod (40); the initial connection position of the cable arranging device body (3) on one threaded screw rod part (41) is on the left-handed spiral groove, and the initial connection position of the cable arranging device body (3) on the other threaded screw rod part (41) is on the right-handed spiral groove; The transmission mechanism includes a third gear (93), a fourth gear (94), and a transmission toothed belt (95) for connecting the third gear (93) and the fourth gear (94). The third gear (93) is arranged on the other end shaft of the rope-receiving drum (2), and the fourth gear (94) is arranged on one end of the reciprocating screw rod (4) of the wire dispensing device. The rotation of the rope-receiving drum (2) can drive the third gear (93) to rotate, and the reciprocating screw rod (4) of the wire dispensing device is driven to rotate through the transmission mechanism, thereby realizing the reciprocating movement of the wire dispensing device body (3) on the reciprocating screw rod (4). Two directional pulley mechanisms are also fixedly provided at the front middle of the two threaded screw parts (41) of the reciprocating screw (4), and the directional pulley mechanism includes a vertical column (5) and a directional groove (50) longitudinally provided at the top of the vertical column (5), a front pulley (51) is vertically provided at the front of the directional groove (50) on the vertical column (5), and two rear pulleys (52) are horizontally provided at both sides of the rear of the directional groove (50); A directional slot sealing plate (53) for sealing the directional slot (50) is also installed on the top of the vertical column (5) of the directional pulley mechanism.

2. A double-wire vertical lifting device for construction according to claim 1, characterized in that: The directional slot sealing plate (53) is provided with a locking mechanism, which includes a locking rod (6), a movable locking member (61) and a supporting spring (60); the movable locking member (61) sequentially comprises a locking plate portion (62), two symmetrically arranged locking column portions (63) and a locking block portion (64), the middle portion of the locking plate portion (62) has a movable through hole (621), and the bottom surface of the locking block portion (64) has an arc-shaped clamping head (641); the middle portion of the directional slot sealing plate (53) has a locking through hole (531), and two symmetrical side through holes (532) are located on both sides of the locking through hole (531). The locking mechanism is formed by the locking block portion (64) of the movable locking member (61) being movably placed in the directional slot (50) of the directional pulley mechanism. , its arc-shaped clamping head (641) is located above the front pulley (51), and the two locking column parts (63) are respectively movable through the two side through-holes (532) of the directional slot sealing plate (53), so that the locking plate part (62) of the movable locking member (61) is located above the directional slot sealing plate (53); the locking rod (6) is a screw structure, which is movable through the movable through-hole (621) of the movable locking member (61) and is threadedly connected to the locking through-hole (531) of the directional slot sealing plate (53); the support spring (60) includes two, which are respectively sleeved on the two locking column parts (63) of the movable locking member (61), and the two ends of the support spring (60) are respectively in contact with the locking plate part (62) of the movable locking member (61) and the directional slot sealing plate (53); The locking rod (6) can be twisted and moved downward to its end to push the locking block portion (64) of the movable locking member (61) downward, so that the arc-shaped clamping head (641) of the locking block portion (64) is pressed toward the front pulley (51), and the support spring (60) is compressed and stored. The locking rod (6) can also be twisted and moved upward to make its end leave the locking block portion (64) of the movable locking member (61), and the support spring (60) is reset to lift and reset the movable locking member (61), thereby causing the arc-shaped clamping head (641) of the movable locking member (61) to leave the front pulley (51).

3. A double-wire vertical lifting device for construction according to claim 1 or 2, characterized in that: The invention also includes a vertical support frame (7), which is a horizontally arranged right-angled tripod-shaped structure and is fixed to the front lower side of the directional pulley mechanism through two symmetrically arranged longitudinal support rods (70). The vertical support frame (7) has a horizontal bar (71), and two vertical bars (72) and two longitudinal bars (73) located at both ends of the horizontal bar (71). There is a diagonal brace (74) between the vertical bar (72) and the longitudinal bar (73). Two symmetrically arranged connecting rods (76) connect the two longitudinal support rods (70) to the two ends of the horizontal bar (71). The ends of the two longitudinal bars (73) are respectively provided with a vertical guide block (8). The vertical guide block (8) has a vertically arranged vertical guide groove (81). The rear portion of the vertical guide groove (81) is vertically provided with a rear guide wheel (82) and the front portion is vertically provided with a front guide wheel (83).

4. A double-wire vertical lifting device for construction according to claim 3, characterized in that: The front upper side of the facade guide block (8) has an arc-shaped recess (84), and the rear guide wheel (82) is hidden below the arc-shaped recess (84).

5. A double-wire vertical lifting device for construction according to claim 1, 2 or 4, characterized in that: A cable trough sealing plate (33) for sealing the cable trough (30) is also installed on the top of the cable trough main body (3) of the cable trough.

6. A double-wire vertical lifting device for construction according to claim 1, 2 or 4, characterized in that: The invention also includes a hoisting cage (9), wherein two sides of the hoisting cage (9) are respectively connected with a hoisting rope (96), and the upper end of the hoisting rope (96) passes through the vertical guide groove (81) of the vertical guide block (8), the directional groove (50) of the directional pulley mechanism and the cable groove (30) of the cable arranger in sequence, and is wound on the drum portion (21) of the rope reel (2), thereby realizing the rope reeling and releasing, thereby causing the hoisting cage (9) to rise or fall.

7. A double-wire vertical lifting device for construction according to claim 6, characterized in that: The invention also includes a base frame (10), wherein the motor (1) is fixed to the base frame (10) via a motor bracket (101), the rope reel (2) is fixed to the base frame (10) via a reel bracket (102), the cable arranger is fixed to the cable arranger bracket (103), the directional pulley mechanism is fixed to the vertical column (5), and the vertical support frame (7) is fixed to the base frame (10) via a longitudinal support rod (70).

Citation Information

Patent Citations

  • Double-line vertical lifting device for building

    CN218931560U