Loading arm lifting device

Abstract

The utility model relates to the technical field of crane pipes, in particular to a crane pipe lifting device which comprises a protection box, a servo motor is placed in the middle of the bottom wall of the protection box, a driving gear is inserted into the output end of the servo motor, and driven gears are meshed with the left side and the right side of the driving gear. The inner wall of the driven gear is in threaded connection with an adjusting screw rod, the top end of the adjusting screw rod is in threaded connection with a supporting table, one side of the bottom of the supporting table is in threaded connection with a lifting device, translation mechanisms are arranged on the left side and the right side of the top of the supporting table, and the tops of the translation mechanisms are sleeved with crane pipe bodies. According to the improved lifting device, the whole crane pipe can be easily lifted to the same horizontal position of equipment by starting the lifting mechanism, the trouble of manual carrying is omitted, the position of the whole crane pipe insertion pipe and the equipment connector can be accurately adjusted by starting the translation mechanism, the crane pipe insertion pipe and the equipment connector can accurately correspond, and the insertion operation can be more conveniently completed.

Description

Technical Field

[0001] The utility model relates to the technical field of crane pipes, in particular to a crane pipe lifting device. Background Art

[0002] The crane arm, also known as the fluid loading and unloading arm, is a special device that is connected in series with a flexible rotating joint with good sealing performance and a pipeline. It is used to transport liquid media between tank trucks and trestle pipelines. The loading and unloading methods include open loading and unloading on the top of the tank truck, closed loading and unloading on the top of the tank truck, and loading and unloading on the bottom of the tank truck. It plays an important role in the field of liquid medium transportation and has flexible working activities and high safety.

[0003] Compared with the traditional hose connection method, the crane pipe adopts a more durable and flexible design. The crane pipe can be customized according to customer needs, and is connected to the pipeline using a rotating joint with rolling flexibility and good sealing performance. It is used for storage and transportation pipelines between tank trucks and trestles. The crane pipe is widely used in the petrochemical industry. It can withstand axial, radial and torque loads, has reliable rolling flexibility and no leakage problems. The choice of material depends on the different conveying media, but seamless steel pipes are usually used.

[0004] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. The existing crane pipe installation method often requires operators to carry it manually or transport it by truck, which is too time-consuming, labor-intensive and inefficient; 2. When the existing crane pipe is docked and installed with the equipment, it is often necessary to accurately match its insertion part with the equipment interface, but after simply lifting the crane pipe to a certain height, it is impossible to perform the next step of position adjustment. Utility Model Content

[0005] The purpose of the utility model is to provide a crane pipe lifting device to solve the problem that the existing crane pipe installation method proposed in the above background technology often requires operators to carry it manually or transport it by truck, which is too time-consuming and labor-intensive, inefficient, and the existing crane pipe often needs to accurately correspond its insertion part to the equipment interface when docking and installing with the equipment, but after the crane pipe is lifted to a certain height, it is impossible to perform the next position adjustment problem. In order to achieve the above purpose, the utility model provides the following technical solutions: a crane pipe lifting device, including a protection box, a servo motor is placed in the middle of the bottom wall of the protection box, the output end of the servo motor is plugged with a driving gear, the left and right sides of the driving gear are meshed with driven gears, the inner wall of the driven gear is threadedly connected with an adjusting screw, the top of the adjusting screw is threadedly connected with a support platform, the bottom side of the support platform is threadedly connected with a lifting device, the left and right sides of the top of the support platform are provided with a translation mechanism, and the top of the translation mechanism is sleeved with a crane pipe body.

[0006] Further preferably, the support platform forms a lifting mechanism through an adjusting screw rod and mutually meshing driving gears and driven gears under the action of a servo motor.

[0007] Further preferably, slide grooves are provided on the left and right sides of the top of the support platform, and a strip hole is also provided on the side farther from the slide groove.

[0008] Further preferably, a support frame is provided at the bottom of the support platform just below the slide slot, and a through hole is provided on the surface of the support frame near the top of the slide slot, and the support frame is slidably connected to the baffle door through the through hole provided on the surface.

[0009] Further preferably, the lifting device is composed of a telescopic rod, a connecting rod and a baffle, wherein the telescopic rod is threadedly connected to one side of the bottom of the support platform, and the driving end of the telescopic rod is inserted into the upper surface of the connecting rod, and the baffle is welded to the end of the connecting rod.

[0010] Further preferably, the translation mechanism is composed of a slider, a support sleeve, an electric push rod and a connecting column, wherein the bottom end of the support sleeve is welded to the top of the slider, and a connecting column is screwed on the outer wall of the slider on one side close to the outer edge, and the slider is slidably connected to the slide groove through the electric push rod sleeved by the connecting column.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the operator first sleeves the entire crane tube body on the top of the translation mechanism, and then starts the servo motor through the external controller, so that the output end of the servo motor starts to rotate and drives the driving gear fixedly connected thereto to rotate together. Because the left and right sides of the driving gear are meshed with driven gears, the driven gear will be driven by the driving gear to rotate at the same time, thereby driving the adjusting screw plugged into the driven gear to start rotating. At this time, the support platform screwed to the outer wall of the adjusting screw will move upward along the thread, and drive the translation mechanism provided on the top thereof and the crane tube body sleeved by the translation mechanism to rise together out of the outside of the protection box, thereby facilitating the subsequent insertion operation of the crane tube body.

[0013] In the utility model, the telescopic rod is started to push the connecting rod fixedly connected thereto, and drives the baffle door to slide downward along the through hole opened on the surface of the slide slot, so that the front side of the slide slot is in an open state, and then the operator can start the electric push rod in the translation mechanism, so that the driving end of the electric push rod begins to extend toward the equipment. At this time, the connecting column sleeved on the top of the electric push rod will drive the sliding block threadedly connected to it to slide forward along the inner wall of the slide slot at the same time, and the crane tube body that was previously sleeved on the top of the sliding block by the supporting sleeve rod will also be pushed to move in the direction of the equipment at the same time. During this period, the operator can complete the plug-in installation of the two by moving the insertion part of the crane tube body to just above the interface of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the driving gear of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the lifting device of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the translation mechanism of the utility model.

[0018] In the figure: 1. protection box; 2. servo motor; 3. driving gear; 4. driven gear; 5. adjusting screw; 6. support platform; 601. slide slot; 602. support frame; 7. lifting device; 701. telescopic rod; 702. connecting rod; 703. door stop; 8. translation mechanism; 801. slider; 802. supporting sleeve rod; 803. electric push rod; 804. connecting column; 9. crane tube body. DETAILED DESCRIPTION

[0019] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4The utility model provides a technical solution: a crane pipe lifting device, comprising a protection box 1, a servo motor 2 is placed in the middle of the bottom wall of the protection box 1, a driving gear 3 is plugged into the output end of the servo motor 2, the left and right sides of the driving gear 3 are meshed with driven gears 4, the inner wall of the driven gear 4 is threadedly connected with an adjusting screw 5, the top of the adjusting screw 5 is threadedly connected with a support platform 6, a lifting device 7 is threadedly connected to one side of the bottom of the support platform 6, a translation mechanism 8 is provided on the left and right sides of the top of the support platform 6, and a crane pipe body 9 is sleeved on the top of the translation mechanism 8.

[0021] In this embodiment, Figure 1 and Figure 2 As shown, the support platform 6 forms a lifting mechanism together with the mutually meshing driving gear 3 and driven gear 4 through the adjusting screw 5 under the action of the servo motor 2; it should be noted that the operator first sleeves the entire crane tube body 9 on the top of the translation mechanism 8, and then starts the servo motor 2 through the external controller, so that the output end of the servo motor 2 starts to rotate and drives the driving gear 3 fixedly connected thereto to rotate together, and because the left and right sides of the driving gear 3 are meshed with the driven gear 4, the driven gear 4 will be driven by the driving gear 3 to rotate at the same time, thereby driving the adjusting screw 5 inserted in the driven gear 4 to start rotating. At this time, the support platform 6 screwed to the outer wall of the adjusting screw 5 will move upward along the thread, and drive the translation mechanism 8 provided on its top and the crane tube body 9 sleeved by the translation mechanism 8 to rise together out of the outside of the protective box 1, thereby facilitating the subsequent insertion operation of the crane tube body 9.

[0022] In this embodiment, Figure 1 and Figure 2 As shown, slide grooves 601 are provided on the left and right sides of the top of the support platform 6, and a strip hole is also opened on the side farther away from the slide groove 601; it should be noted that a slider 801 of the translation mechanism 8 is provided inside the slide groove 601 on the top of the support platform 6, and the strip hole opened on one side of the slide groove 601 can just allow the electric push rod 803 to be threadedly connected with the slider 801 inside the slide groove 601 through its sleeved connecting column 804, so that when the operator starts the electric push rod 803 through the external controller, the slider 801 inside the slide groove 601 can be driven to move back and forth along the slide groove 601, so that the entire translation mechanism 8 can drive the crane tube body 9 sleeved on the top thereof to move back and forth together, thereby better enabling the insertion part of the crane tube body 9 to be aligned with the equipment to be plugged in, accurately completing the position positioning, and performing the next plugging operation.

[0023] In this embodiment, Figure 1 and Figure 2 and Figure 3As shown, a resist frame 602 is provided at the bottom of the support platform 6, which is located just below the slide slot 601, and a through hole is provided on the surface of the resist frame 602 near the top of the slide slot 601, and at the same time, the resist frame 602 is slidably connected with the baffle door 703 through the through hole provided on the surface; it should be noted that after the entire crane pipe body 9 is lifted out of the protection box 1 by the lifting mechanism and is exactly at the same horizontal position as the equipment, the operator can start the telescopic rod 701 in the lifting device 7 to push the connecting rod 702 to drive the baffle door 703 fixedly connected thereto, so that it slides downward along the through hole provided on the surface of the resist frame 602, thereby opening the resist frame 602 located at the front side of the slide slot 601, so that the front side of the slide slot 601 is in an open state. At this time, the operator can start the translation mechanism 8 again, and the slider 801 in the translation mechanism 8 can be smoothly pushed forward, and the entire crane pipe body 9 can be driven to slide out of the slide slot 601, and the insertion tube of the tube body can be adjusted to the corresponding equipment interface for plugging.

[0024] In this embodiment, Figure 3 and Figure 4 As shown, the lifting device 7 is composed of a telescopic rod 701, a connecting rod 702 and a stopper 703, wherein the telescopic rod 701 is threadedly connected to one side of the bottom of the support platform 6, and the driving end of the telescopic rod 701 is plugged into the upper surface of the connecting rod 702, and the end of the connecting rod 702 is welded with a stopper 703; it should be noted that when the operator pushes the crane tube body 9 to the outside of the protection box 1 through the lifting mechanism and makes it at the same horizontal position as the equipment, the operator can start the telescopic rod 701 in the lifting device 7 to extend its driving end downward , and pushes the connecting rod 702 fixedly connected thereto, and the top of the connecting rod 702 is connected to a baffle 703, so that the baffle 703 can be driven to slide downward along the through hole opened on the surface of the slide groove 601 at the same time. At this time, the front side of the slide groove 601 is in an open state, and the operator can start the translation mechanism 8 at the same time, so that the translation mechanism 8 can drive the crane pipe body 9 connected thereto along the slide groove 601 toward the front side of the equipment, and then adjust the insertion tube of the crane pipe body 9 to correspond to the interface of the equipment, and complete the plug-in installation of the two.

[0025] In this embodiment, Figure 3 and Figure 4As shown, the translation mechanism 8 is composed of a slider 801, a support sleeve rod 802, an electric push rod 803 and a connecting column 804, wherein the bottom end of the support sleeve rod 802 is welded to the top of the slider 801, and the outer wall of the slider 801 near the outer edge is screwed with a connecting column 804, and the slider 801 is slidably connected to the slide groove 601 through the electric push rod 803 sleeved by the connecting column 804; it should be noted that when the crane tube body 9 is pushed up to the outside of the protection box 1 by the lifting mechanism and is at the same horizontal line with the equipment, the operator can start the electric push rod in the translation mechanism 8. The push rod 803 causes the driving end of the electric push rod 803 to begin to extend toward the equipment. At this time, the connecting column 804 sleeved on the top of the electric push rod 803 will drive the slider 801 threadedly connected to it to slide forward along the inner wall of the slide groove 601 at the same time, and the crane tube body 9 that was previously sleeved on the top of the slider 801 through the supporting sleeve 802 will also be pushed to move toward the direction of the equipment at the same time. During this period, the operator can complete the plug-in installation of the two by moving the insertion part of the crane tube body 9 to just above the interface of the equipment.

[0026] The use method and advantages of the utility model: When the crane pipe lifting device is used, the working process is as follows:

[0027] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, first, the staff can fix the crane tube body 9 on the top of the translation mechanism 8 through the support sleeve rod 802, and then start the servo motor 2, so that its output end drives the driving gear 3 to start rotating, and the driven gear 4 meshing with the driving gear 3 will also be driven to start rotating at the same time. At this time, the adjusting screw 5 inserted into the inside of the driven gear 4 will also start to rotate, so the support platform 6 screwed with the adjusting screw 5 will move upward along the direction of its thread and push the translation mechanism 8 and the crane tube body 9 set on the top to rise out of the protection box 1, and make the whole The crane tube body 9 can be at the same horizontal line with the equipment. At this time, the operator can start the telescopic rod 701 through the external controller to push the connecting rod 702 downward, thereby driving the blocking door 703 to slide downward along the through hole of the support frame 602, so that the front end of the slide groove 601 is in an open state. At the same time, the operator starts the electric push rod 803 to push the slider 801 and the crane tube body 9 connected to the top of the slider 801, which can slide forward along the inner wall of the slide groove 601 until the insertion part of the crane tube body 9 can be slid to the interface of the equipment, thereby completing the subsequent plug-in installation.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A crane pipe lifting device, comprising a protection box (1), characterized in that: A servo motor (2) is placed in the middle of the bottom wall of the protection box (1), a driving gear (3) is plugged into the output end of the servo motor (2), driven gears (4) are meshed on the left and right sides of the driving gear (3), an adjusting screw (5) is threadedly connected to the inner wall of the driven gear (4), the top of the adjusting screw (5) is threadedly connected to a support platform (6), a lifting device (7) is threadedly connected to one side of the bottom of the support platform (6), a translation mechanism (8) is provided on the left and right sides of the top of the support platform (6), and a crane tube body (9) is sleeved on the top of the translation mechanism (8).

2. A crane pipe lifting device according to claim 1, characterized in that: The support platform (6) forms a lifting mechanism through the adjustment screw rod (5) and the mutually meshing driving gear (3) and driven gear (4) under the action of the servo motor (2).

3. A crane pipe lifting device according to claim 1, characterized in that: The left and right sides of the top of the support platform (6) are provided with sliding grooves (601), and a strip hole is also opened on the side of the sliding groove (601) that is farther away.

4. The crane pipe lifting device according to claim 1, characterized in that: The bottom of the support platform (6) is provided with a support frame (602) located directly below the slide groove (601), and a through hole is provided on the surface of the support frame (602) close to the top of the slide groove (601), and the support frame (602) is slidably connected to the blocking door (703) through the through hole provided on the surface.

5. The crane pipe lifting device according to claim 1, characterized in that: The lifting device (7) is composed of a telescopic rod (701), a connecting rod (702) and a blocking door (703), wherein the telescopic rod (701) is threadedly connected to one side of the bottom of the support platform (6), and the driving end of the telescopic rod (701) is plugged into the upper surface of the connecting rod (702), and the blocking door (703) is welded to the end of the connecting rod (702).

6. The crane pipe lifting device according to claim 1, characterized in that: The translation mechanism (8) is composed of a slider (801), a support sleeve rod (802), an electric push rod (803) and a connecting column (804), wherein the bottom end of the support sleeve rod (802) is welded to the top of the slider (801), and the connecting column (804) is screwed on the outer wall of the slider (801) near the outer edge, and the slider (801) is slidably connected to the slide groove (601) through the electric push rod (803) sleeved by the connecting column (804).

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