Steel pipe vertical hoisting device

Abstract

The utility model belongs to the technical field of steel pipe hoisting, and discloses a steel pipe vertical hoisting device which comprises an elevator shaft, a hoisting lift car is arranged in the elevator shaft, a second winch is arranged at the top of the center of the elevator shaft, and a first winch is arranged at the top of the center of the hoisting lift car. An auxiliary discharging assembly is arranged on one side of the interior of the lifting car, a guiding assembly is arranged on the other side of the interior of the lifting car, a steel pipe is vertically placed in the lifting car, the upper end of the steel pipe is connected with a steel rope in a first winch, and a driving mechanism is arranged at the top of the lifting car. Due to the arrangement of the hoisting lift car, the auxiliary discharging assembly can automatically run under the cooperation of the driving mechanism, so that a steel pipe is pushed through the discharging roller, the lower end of the steel pipe is close to the guiding assembly under the limitation of the first winch, and finally the discharging guide plate is pushed to swing to a material receiving platform; and therefore, workers on the material receiving platform can discharge materials conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe lifting, in particular to a steel pipe vertical lifting device. Background Art

[0002] The length of steel pipes used in construction sites is very long. Most of the steel pipes used as the bearing capacity of wall columns are more than 6 meters long. However, the length and width of the elevator shaft for hoisting are difficult to meet, so vertical hoisting is mainly used to complete it. The existing hoisting equipment is relatively simple, mainly setting a lifting point at the top of the center of the elevator shaft, connecting the lower end to the hoisting cage, and placing the steel pipe vertically in the hoisting cage to complete it. However, the lifting steel pipe located in the center of the elevator shaft is a certain distance from the receiving platform, and the weight of the steel pipe is relatively large. It is not convenient to unload the steel pipe after reaching the receiving platform, so it needs to be improved. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In order to solve the problems raised in the above background technology, the utility model provides a vertical lifting device for steel pipes, which has the advantage of being easy to unload.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical lifting device for steel pipes, comprising an elevator shaft, a lifting car is arranged inside the elevator shaft, a second winch is arranged on the top of the center of the elevator shaft, a first winch is arranged on the top of the center of the lifting car, an auxiliary unloading assembly is arranged on one side of the interior of the lifting car, a guide assembly is arranged on the other side of the interior of the lifting car, a steel pipe is vertically placed inside the lifting car, the upper end of the steel pipe is connected to the steel cable in the first winch, a driving mechanism is arranged on the top of the lifting car, the lower end of the driving mechanism is connected to the auxiliary unloading assembly, a lifting lug is welded on the top of the lifting car, and the lifting lug is connected to the steel cable in the second winch.

[0007] Preferably, the hoisting car includes a car body movably installed inside the elevator shaft, and two upper and lower slide grooves are opened on the left and right sides of the back side of the car body. A slider is slidably engaged inside each of the slide grooves, and the slider is located at one end of the slide groove away from the middle of the car body. The internal thread of the slider is sleeved with a screw rod, and a transmission shaft is fixedly connected between the two corresponding upper and lower screw rods. The transmission shaft is movably sleeved inside the car body, and the two ends of the screw rod are fixedly connected to the inner wall of the slide groove.

[0008] Preferably, the auxiliary unloading assembly includes two left and right unloading racks arranged on the back of the car body, the middle part of the unloading rack can be bent, and a connecting rod is fixedly connected to the middle part of the left and right unloading racks, and the outer part of the connecting rod is movably sleeved with a unloading roller located between the two unloading racks.

[0009] Preferably, a positioning rod is movably sleeved at both upper and lower ends of the left and right unloading racks, and both ends of the positioning rod penetrate the unloading racks and are fixedly connected to the slider.

[0010] Preferably, the driving mechanism includes a driving motor arranged on the top of the car body, and three transmission pulleys are movably installed on the top of the car body. A transmission belt is connected between the three transmission pulleys, one of which is fixedly connected to the lower end of the output shaft of the driving motor, and the lower ends of the other two transmission pulleys are fixedly connected to the upper end of the screw rod.

[0011] Preferably, the guide assembly includes a material unloading guide plate installed inside the car body, the material unloading guide plate is movably installed in a vertical state on the front side of the car body, and two left and right positioning blocks are fixedly installed inside the car body, and the positioning blocks are in contact with one side of the material unloading guide plate close to the middle of the car body.

[0012] Preferably, the lower end of the feed guide plate is movably sleeved with two left and right positioning shafts, the opposite back surfaces of the two positioning shafts pass through the feed guide plate and are fixedly connected to the car body, a transmission rod is fixedly connected between the two positioning shafts, and a clockwork spring located between the transmission rod and the feed guide plate is arranged between the two positioning shafts, and the two ends of the clockwork spring are respectively connected to the transmission rod and the feed guide plate.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. Due to the setting of the hoisting car, the utility model can make the auxiliary unloading component run automatically with the cooperation of the driving mechanism, and then push the steel pipe through the unloading roller, so that the lower end of the steel pipe approaches the guide component under the restriction of the first capstan at the end, and finally pushes the unloading guide plate to swing to the material receiving platform, so as to facilitate the unloading of materials by the staff on the material receiving platform.

[0016] 2. Due to the setting of the unloading roller of the utility model, with the cooperation of the upper, lower, left and right screw rods and the unloading rack, it is ensured that the unloading roller can always maintain stable lateral movement driven by the connecting rod, and the unloading roller can make the steel pipe pushed more smoothly with the cooperation of the connecting rod, and greatly reduce the friction resistance with the steel pipe.

[0017] 3. Due to the setting of the positioning shaft, the utility model can ensure that the material discharge guide plate can be flipped more stably, and the setting of the transmission rod can facilitate the installation of the clockwork spring with the cooperation of the positioning shaft, and then the material discharge guide plate can be reversely flipped under the elastic recovery action of the clockwork spring, and finally the material discharge guide plate can be reset with the cooperation of the positioning block to avoid affecting the operation of the hoisting car and facilitate repeated guidance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a structural schematic diagram of the hoisting car of the utility model;

[0020] Figure 3 This is a schematic diagram of the principle of the auxiliary blanking component of the utility model;

[0021] Figure 4 It is a schematic diagram of the internal structure of the material guide plate of the utility model;

[0022] Figure 5 for Figure 4 Cross-sectional view of the front of the structure.

[0023] In the figure: 1. elevator shaft; 2. lifting car; 21. car body; 22. slide; 23. slider; 24. screw; 25. transmission shaft; 3. auxiliary unloading assembly; 31. unloading rack; 32. connecting rod; 33. unloading roller; 34. positioning rod; 4. guiding assembly; 41. unloading guide plate; 42. positioning block; 43. positioning shaft; 44. transmission rod; 45. clockwork spring; 5. driving mechanism; 51. driving pulley; 52. driving motor; 53. driving belt; 6. lifting ear. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 5As shown, the utility model provides a steel pipe vertical lifting device, including an elevator shaft 1, a lifting car 2 is arranged inside the elevator shaft 1, a second winch is arranged on the top of the center of the elevator shaft 1, a first winch is arranged on the top of the center of the lifting car 2, an auxiliary unloading assembly 3 is arranged on one side of the lifting car 2, a guide assembly 4 is arranged on the other side of the lifting car 2, a steel pipe is vertically placed inside the lifting car 2, the upper end of the steel pipe is connected to the steel cable in the first winch, a driving mechanism 5 is arranged on the top of the lifting car 2, the lower end of the driving mechanism 5 is connected to the auxiliary unloading assembly 3, a lifting lug 6 is welded on the top of the lifting car 2, and the lifting lug 6 is connected to the steel cable in the second winch;

[0026] Among them, due to the setting of the hoisting car 2, the auxiliary unloading component 3 can be automatically operated with the cooperation of the driving mechanism 5, and then the steel pipe is pushed by the unloading roller 33, so that the lower end of the steel pipe approaches the guide component 4 under the restriction of the first winch at the end, and finally pushes the unloading guide plate 41 to swing to the material receiving platform, so as to facilitate the unloading of materials by the staff on the material receiving platform.

[0027] like Figure 2 and Figure 3 As shown, the hoisting car 2 includes a car body 21 movably installed inside the elevator shaft 1, and two upper and lower slide grooves 22 are opened on the left and right sides of the back of the car body 21. A slider 23 is slidably engaged inside each slide groove 22. The slider 23 is located at one end of the slide groove 22 away from the middle of the car body 21. The internal thread of the slider 23 is sleeved with a screw rod 24, and a transmission shaft 25 is fixedly connected between the two corresponding upper and lower screw rods 24. The transmission shaft 25 is movably sleeved inside the car body 21, and the two ends of the screw rod 24 are fixedly connected to the inner wall of the slide groove 22.

[0028] like Figure 3 and Figure 4 As shown, the auxiliary unloading assembly 3 includes two left and right unloading racks 31 arranged on the back of the car body 21, the middle part of the unloading rack 31 can be bent, and a connecting rod 32 is fixedly connected to the middle part of the left and right unloading racks 31, and the outer part of the connecting rod 32 is movably sleeved with a unloading roller 33 located between the two unloading racks 31;

[0029] Among them, due to the setting of the unloading roller 33, with the cooperation of the upper, lower, left and right screw rods 24 and the unloading frame 31, it is ensured that the unloading roller 33 can always maintain stable lateral movement driven by the connecting rod 32, and the unloading roller 33 can make the steel pipe pushed more smoothly with the cooperation of the connecting rod 32, and greatly reduce the friction resistance with the steel pipe.

[0030] like Figure 3 As shown, a positioning rod 34 is movably sleeved at both upper and lower ends of the left and right unloading racks 31 , and both ends of the positioning rod 34 penetrate the unloading racks 31 and are fixedly connected to the slider 23 .

[0031] like Figure 2 As shown, the driving mechanism 5 includes a driving motor 52 arranged on the top of the car body 21, and three transmission pulleys 51 are movably installed on the top of the car body 21. A transmission belt 53 is connected between the three transmission pulleys 51. One of the transmission pulleys 51 is fixedly connected to the lower end of the output shaft of the driving motor 52, and the lower ends of the other two transmission pulleys 51 are fixedly connected to the upper end of the screw rod 24.

[0032] like Figure 3 and Figure 5 As shown, the guide assembly 4 includes a material unloading guide plate 41 installed inside the car body 21, the material unloading guide plate 41 is movably installed on the front of the car body 21 in a vertical state, and two left and right positioning blocks 42 are fixedly installed inside the car body 21, and the positioning blocks 42 are in contact with one side of the material unloading guide plate 41 close to the middle of the car body 21;

[0033] The unloading guide plate 41 is reset with the cooperation of the positioning block 42 to avoid affecting the operation of the hoisting car 2 and facilitate repeated guidance.

[0034] like Figure 5 As shown, the lower end of the material discharge guide plate 41 is movably sleeved with two left and right positioning shafts 43, the opposite back surfaces of the two positioning shafts 43 penetrate the material discharge guide plate 41 and are fixedly connected to the car body 21, a transmission rod 44 is fixedly connected between the two positioning shafts 43, a spring spring 45 located between the transmission rod 44 and the material discharge guide plate 41 is arranged between the two positioning shafts 43, and the two ends of the spring spring 45 are respectively connected to the transmission rod 44 and the material discharge guide plate 41;

[0035] Among them, due to the setting of the positioning shaft 43, it can be ensured that the feed guide plate 41 can be flipped more stably, and the setting of the transmission rod 44 can facilitate the installation of the clockwork spring 45 with the cooperation of the positioning shaft 43, and then the feed guide plate 41 can be reversely flipped and reset under the elastic recovery action of the clockwork spring 45.

[0036] The working principle and use process of this utility model:

[0037] The bundled steel pipes are fixedly placed in the middle of the hoisting car 2, and the upper end thereof is hoisted by the first winch to make it vertical, and then the second winch at the top of the elevator shaft 1 hoists the car body 21 with the cooperation of the lifting lug 6. When the car body 21 rises to the material receiving platform, the second winch stops running, and the driving motor 52 starts running at this time, and drives the multiple driving pulleys 51 to rotate with the cooperation of the driving belt 53, which can drive the screw rods 24 and the driving shaft 25 on the left and right sides to rotate at the same time, and then within the limit of the slide groove 22, the second winch stops running. The control drives the sliders 23 at the upper and lower ends to approach each other, so that the unloading rack 31 can be pushed through the positioning rod 34, and the unloading roller 33 is pushed to gradually approach the steel pipe with the cooperation of the connecting rod 32, and the lower end of the steel pipe is pushed to make the lower end close to the guide component 4. As the steel pipe gradually swings, the unloading guide plate 41 can be pushed to turn over to the outer receiving platform. At the same time, the first capstan starts to discharge the material, and then the lower end of the steel pipe slides along the surface of the unloading guide plate 41 to the receiving platform under the action of gravity, thereby completing the lifting and loading;

[0038] Then separate the upper end of the steel pipe from the first capstan cable to complete the unloading. Then, the first capstan can be operated in the direction to reset the cable. At the same time, under the elastic recovery action of the clockwork spring 45, the unloading guide plate 41 is flipped in the opposite direction and reset with the cooperation of the positioning block 42 to ensure that it will not affect the lifting and lowering of the car body 21 inside the elevator shaft 1.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel pipe vertical lifting device, comprising an elevator shaft (1), characterized in that: A hoisting car (2) is arranged inside the elevator shaft (1), a second winch is arranged at the top of the center of the elevator shaft (1), a first winch is arranged at the top of the center of the hoisting car (2), an auxiliary unloading assembly (3) is arranged on one side of the hoisting car (2), a guide assembly (4) is arranged on the other side of the hoisting car (2), a steel pipe is vertically placed inside the hoisting car (2), the upper end of the steel pipe is connected to the steel cable in the first winch, a driving mechanism (5) is arranged on the top of the hoisting car (2), the lower end of the driving mechanism (5) is connected to the auxiliary unloading assembly (3), a lifting lug (6) is welded on the top of the hoisting car (2), and the lifting lug (6) is connected to the steel cable in the second winch.

2. The steel pipe vertical lifting device according to claim 1, characterized in that: The hoisting car (2) includes a car body (21) movably mounted inside the elevator shaft (1), and two upper and lower slide grooves (22) are provided on the left and right sides of the back of the car body (21), and a slider (23) is slidably engaged inside each of the slide grooves (22), and the slider (23) is located at one end of the slide groove (22) away from the middle of the car body (21), and the internal thread of the slider (23) is sleeved with a screw rod (24), and a transmission shaft (25) is fixedly connected between the two corresponding upper and lower screw rods (24), and the transmission shaft (25) is movably sleeved inside the car body (21), and the two ends of the screw rod (24) are fixedly connected to the inner wall of the slide groove (22).

3. The steel pipe vertical lifting device according to claim 2, characterized in that: The auxiliary unloading assembly (3) comprises two left and right unloading racks (31) arranged on the back of the car body (21); the middle part of the unloading rack (31) can be bent; a connecting rod (32) is fixedly connected to the middle part of the left and right unloading racks (31); and the outer part of the connecting rod (32) is movably sleeved with an unloading roller (33) located between the two unloading racks (31).

4. The steel pipe vertical lifting device according to claim 3 is characterized in that: A positioning rod (34) is movably sleeved at both upper and lower ends of the left and right material unloading racks (31), and both ends of the positioning rod (34) penetrate the material unloading rack (31) and are fixedly connected to the slider (23).

5. The steel pipe vertical lifting device according to claim 2, characterized in that: The driving mechanism (5) comprises a driving motor (52) arranged on the top of the car body (21); three driving pulleys (51) are movably mounted on the top of the car body (21); a driving belt (53) is connected between the three driving pulleys (51); one of the driving pulleys (51) is fixedly connected to the lower end of the output shaft of the driving motor (52); and the lower ends of the other two driving pulleys (51) are fixedly connected to the upper ends of the screw rod (24).

6. The steel pipe vertical lifting device according to claim 2, characterized in that: The guide assembly (4) comprises a material discharge guide plate (41) installed inside the car body (21); the material discharge guide plate (41) is movably installed on the front side of the car body (21) in a vertical state; two left and right positioning blocks (42) are fixedly installed inside the car body (21); the positioning blocks (42) are in contact with one side of the material discharge guide plate (41) close to the middle of the car body (21).

7. The steel pipe vertical lifting device according to claim 6, characterized in that: The lower end of the material discharge guide plate (41) is movably sleeved with two left and right positioning shafts (43); the opposite back surfaces of the two positioning shafts (43) penetrate the material discharge guide plate (41) and are fixedly connected to the car body (21); a transmission rod (44) is fixedly connected between the two positioning shafts (43); a spring spring (45) is arranged between the transmission rod (44) and the material discharge guide plate (41); and two ends of the spring spring (45) are respectively connected to the transmission rod (44) and the material discharge guide plate (41).

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