CN205034931U - Lifting device - Google Patents

Abstract

The utility model provides a lifting device. The lifting device includes: a ladder; a slide rail installed on the ladder; a car body installed on the slide rail; a driving mechanism installed at the bottom of the ladder and driving the car body to move on the slide rail ; The first fixed pulley and the second fixed pulley are installed on the top of the ladder at intervals; the adjustment mechanism is arranged on the car body; the traction rope, the first end of the traction rope is fixed on the car body, and the second end of the traction rope is downward Extend into the driving mechanism, extend upwards and bypass the first fixed pulley after exiting the driving mechanism, then extend downwards into the adjustment mechanism, extend upwards and bypass the second fixed pulley after exiting the adjustment mechanism, and then extend downwards into the driving mechanism , and finally extend upward from the driving mechanism and be fixed on the vehicle body, wherein the adjustment mechanism adjusts the traction force of the traction rope on opposite sides of the vehicle body. The technical solution of the utility model effectively solves the problem in the prior art that two traction ropes are used to connect with the vehicle body and tend to be inclined.

Description

lifting device

technical field

The utility model relates to the technical field of wind power auxiliary equipment, in particular to a lifting device.

Background technique

At present, high-altitude operations are generally required in the field of wind power generation. Certain lifting equipment is required for the transportation of personnel and materials between the aerial work platform and the ground as well as for maintenance. This kind of lifting equipment also needs to take into account various factors such as the actual working environment and safety.

Traditional hoist facilities are expensive, occupy a large space, and have limited installation space. When using climbing aid equipment, the physical exertion of the operator is high, and the work efficiency is often affected due to the heavy physical exertion caused by the operator's climbing. In this case, a lifting device for high-altitude operations has emerged as the times require. The lifting device for high-altitude operations integrates the functions of climbing personnel's auxiliary lifting and maintenance material delivery, and reduces the physical exertion of the staff during the climbing process. Reduced to zero, greatly reducing maintenance costs and improving staff efficiency.

The lifting device in the prior art includes a ladder, a car body, an upper bracket, a lower bracket, a traction rope, a slide rail, a main engine drive, a fixed pulley and a fall arrester. The upper bracket is installed on the top of the ladder, and the lower bracket is installed on the bottom of the ladder. , the slide rail is installed on the ladder along the extension direction of the ladder, the car body and the anti-fall device are installed on the slide rail, the fixed pulley is installed on the upper bracket, and the host drive for providing lifting power is fixed on the lower bracket, the lower part of the car body Foldable steps for carrying personnel and supplies are installed. One end of the traction rope is fixed on the upper bracket, goes down to go around the upper idler wheel on the car body, extends up and goes around the fixed pulley of the upper bracket, and extends down to the second idler wheel and driving wheel installed in the drive of the main engine , The first idler pulley extends upwards around the lower idler pulley of the vehicle body, passing through the tensioning device installed on the lower bracket.

When the lifting device is working normally, the main engine drives the car body on the traction rope to move up and down along the slide rail to transport personnel and materials. At this time, the traction ropes on both sides of the upper idler wheel on the car body have been moving. Since the personnel stand on the foldable pedal, the personnel's hands may collide with the moving traction ropes, which may cause injury to the personal safety of the personnel, and may cause safety hazards. ACCIDENT.

For the problems referred to above, two traction ropes are adopted in the prior art to be connected with the car body respectively. Specifically, the upper part of the ladder is provided with a first upper driven wheel and a second upper driven wheel, the lower part of the ladder is provided with a first lower driven wheel and a second lower driven wheel, and the first upper driven wheel and the first lower driven wheel Connected by the first traction rope, the second upper driven wheel and the second lower driven wheel are connected by the second traction rope, the car body is connected with the first traction rope and the second traction rope, and the main engine is driven by the first traction rope and the second traction rope The second traction ropes are all transmission-connected, and the first traction ropes and the second traction ropes are arranged symmetrically relative to the vertical line of the vehicle body. When the car body is running, when the force acting on the first traction rope is different from the force acting on the second traction rope, the car body is prone to tilt, which poses a great safety hazard to the operator.

Utility model content

The main purpose of the utility model is to provide a lifting device to solve the problem in the prior art that two traction ropes are used to connect with the car body and tend to tilt.

In order to achieve the above object, the utility model provides a lifting device, comprising: a ladder; a slide rail, installed on the ladder; a car body, installed on the slide rail, and a driving mechanism, installed at the bottom of the ladder and driving the car body The first fixed pulley and the second fixed pulley are installed on the top of the ladder at intervals; the adjustment mechanism is arranged on the car body; the first end of the traction rope is fixed on the car body, and the second end of the traction rope The end extends downwards into the driving mechanism, extends upwards from the driving mechanism and bypasses the first fixed pulley, then extends downwards into the adjustment mechanism, extends upwards from the adjustment mechanism, bypasses the second fixed pulley, and then extends downwards Enter the driving mechanism, and finally extend upward from the driving mechanism and be fixed on the vehicle body, wherein the adjusting mechanism adjusts the traction force of the traction rope on opposite sides of the vehicle body.

Further, the adjustment mechanism includes a fixed part and a balance guide wheel, the fixed part is arranged on the vehicle body, the balance guide wheel is installed on the fixed part, the second end of the traction rope extends downwards into the drive mechanism, and goes upward after coming out of the drive mechanism. Extending around the first fixed pulley, extending downwards, bypassing the balance guide wheel, extending upwards, bypassing the second fixed pulley, extending downwards into the driving mechanism, extending upwards from the driving mechanism and being fixed on the car body.

Further, the balance guide wheel includes a first balance guide wheel and a second balance guide wheel, and the first balance guide wheel and the second balance guide wheel are arranged at intervals along a moving direction perpendicular to the vehicle body.

Further, the fixing part is provided with a first installation protrusion protruding from the balance guide wheel, and the adjustment mechanism further includes a pressing plate, which is installed on the first installation protrusion and covers the balance guide wheel.

Further, the adjustment mechanism further includes fasteners, the pressing plate has installation through holes for the fasteners to pass through, and the fasteners are installed in the through holes and the balance guide wheels are fixed on the fixing part in sequence.

Further, the fixing part is further provided with a second installation protrusion protruding from the balance guide wheel, and the second installation protrusion and the first installation protrusion are located on opposite sides of the balance guide wheel.

Further, both the first end of the traction rope and the second end of the traction rope are connected to the vehicle body through the tensioning mechanism of the traction rope.

Further, the drive mechanism includes: a motor installed at the bottom of the ladder; a first drive wheel and a second drive wheel both installed on the output end of the motor, wherein the second end of the traction rope extends downwards to bypass the first drive After the wheel, extend upwards to bypass the first fixed pulley, then extend downwards to enter the adjustment mechanism, after coming out of the adjustment mechanism, extend upwards to bypass the second fixed pulley, then extend downwards to bypass the second driving wheel, and finally The upper extension is fixed on the vehicle body.

Further, the drive mechanism also includes a first idler wheel, the first idler wheel is installed on the ladder, the first idler wheel is located on one side of the first drive wheel, and the second end of the traction rope extends downwards to bypass the first idler wheel After the first driving wheel, extend upwards to bypass the first fixed pulley, then extend downwards to enter the adjustment mechanism, after coming out of the adjustment mechanism, extend upwards to bypass the second fixed pulley, and then extend downwards to bypass the second drive The wheels are finally extended upwards and fixed on the car body.

Further, the driving mechanism also includes a second idler wheel, the second idler wheel is installed on the ladder, the first idler wheel and the first driving wheel are located on opposite sides of the second idler wheel, and the second end of the traction rope extends downward After bypassing the first idler wheel, the first driving wheel and the second idler wheel in turn, extend upwards to bypass the first fixed pulley, then extend downwards into the adjustment mechanism, and after coming out of the adjustment mechanism, extend upwards and bypass the second fixed pulley. The fixed pulley then extends downwards around the second drive wheel, and finally extends upwards and is fixed on the car body.

Applying the technical solution of the utility model, the first end of the traction rope is fixed on the car body, the second end of the traction rope extends downwards into the driving mechanism, and extends upwards to bypass the first fixed pulley after coming out of the driving mechanism, and then It extends downwards into the adjustment mechanism, extends upwards from the adjustment mechanism to bypass the second fixed pulley, then extends downwards into the driving mechanism, and finally extends upwards from the rear of the driving mechanism and is fixed on the car body. When the lifting device works normally, the driving mechanism drives the car body on the traction rope to move up and down along the slide rail. The above-mentioned structure adopts a traction rope, and when the vehicle body is running, the traction force of the traction rope on opposite sides of the vehicle body is adjusted by the adjustment mechanism. In this way, the traction force of the traction rope on the opposite sides of the car body is the same, effectively avoiding the tilting of the car body, and then ensuring the stability of the car body, thereby effectively ensuring the personal safety of the operator and effectively avoiding the occurrence of Situations of security incidents.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows the schematic diagram of the three-dimensional structure according to the embodiment of the lifting device of the present utility model;

Fig. 2 shows the schematic front view of the car body of the lifting device of Fig. 1;

Fig. 3 shows a schematic diagram of a three-dimensional exploded structure of the adjustment mechanism of the lifting device in Fig. 2;

Fig. 4 shows a schematic perspective view of the three-dimensional structure of the driving mechanism of the lifting device of Fig. 1;

Figure 5 shows a schematic front view of the drive mechanism of Figure 4; and

Fig. 6 shows a working principle diagram of the traction rope of the lifting device in Fig. 1 .

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Ladder; 20. Slide rail; 30. Car body; 40. Driving mechanism; 41. Motor; 42. First driving wheel; 43. First idler wheel; 44. Second idler wheel; 45. Torque limiter; 51. The first fixed pulley; 52. The second fixed pulley; 60. The traction rope; 70. The adjustment mechanism; 71. The fixed part; 72. The first balance guide wheel; 73. The second balance guide wheel; 74. The first installation Convex part; 75, pressure plate; 76, fastener; 77, second installation convex part; 81, first fixed plate; 82, second fixed plate; 83, handrail; 84, safety cover; 91, stall protection mechanism; 92. Traction rope tensioning mechanism.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in FIG. 1 , the lifting device of this embodiment includes: a ladder 10 , a slide rail 20 , a car body 30 , a driving mechanism 40 , a first fixed pulley 51 , a second fixed pulley 52 , an adjustment mechanism 70 and a traction rope 60 . Slide rail 20 is installed on the ladder 10, and car body 30 is installed on the slide rail 20, and driving mechanism 40 is installed in the bottom of ladder 10 and drives car body 30 and moves on slide rail 20, and the first fixed pulley 51 and the second fixed pulley 52 is installed on the top of the ladder 10, and the adjustment mechanism 70 is arranged on the vehicle body 30. The first end of the traction rope 60 is fixed on the vehicle body 30, and the second end of the traction rope 60 extends downwards into the driving mechanism 40, extends upwards after coming out of the driving mechanism 40, bypasses the first fixed pulley 51, and then extends downwards Enter the adjustment mechanism 70 , come out from the adjustment mechanism 70 and extend upwards to bypass the second fixed pulley 52 , then extend downwards into the driving mechanism 40 , and finally extend upwards from the rear of the driving mechanism 40 and be fixed on the vehicle body 30 . Wherein, the adjustment mechanism 70 adjusts the traction force of the traction rope 60 on opposite sides of the vehicle body 30 .

Applying the lifting device of this embodiment, the first end of the traction rope 60 is fixed on the car body 30, the second end of the traction rope 60 extends downwards into the drive mechanism 40, and extends upwards to bypass the first end after coming out of the drive mechanism 40. The fixed pulley 51 extends downwards into the adjustment mechanism 70, extends upwards from the adjustment mechanism 70 to bypass the second fixed pulley 52, then extends downwards into the driving mechanism 40, and finally extends upwards from the driving mechanism 40 and is fixed on On the car body 30 . When the lifting device works normally, the driving mechanism 40 drives the car body 30 on the traction rope 60 to move up and down along the slide rail 20 . The above-mentioned structure adopts a traction rope, and when the vehicle body 30 runs up and down, the traction force of the traction rope 60 on opposite sides of the vehicle body 30 is adjusted by the adjusting mechanism. This makes the traction force of the traction rope 60 on the opposite sides of the car body 30 the same, effectively avoiding the phenomenon of inclination of the car body 30, and then ensuring the stability of the car body 30, thereby effectively ensuring the personal safety of the operator. Effectively avoid the situation of safety accidents. At the same time, the above-mentioned structure realizes the traction force of two traction ropes through one traction rope, that is, one rope double drive, which effectively ensures the stability of the vehicle body operation.

Optionally, the traction ropes 60 located on opposite sides of the vehicle body 30 are arranged symmetrically with respect to the median perpendicular of the vehicle body 30 . Such arrangement has simple structure, convenient processing and easy installation, and reduces the labor intensity of operators.

As shown in Figure 3, optionally, the adjustment mechanism 70 includes a fixed part 71 and a balance guide wheel, the fixed part 71 is arranged on the vehicle body 30, the balance guide wheel is installed on the fixed part 71, and the second end of the traction rope 60 goes toward It extends downwards into the driving mechanism 40, and after coming out of the driving mechanism 40, it extends upwards and bypasses the first fixed pulley 51, then extends downwards, bypasses the balance guide wheel, then extends upwards, bypasses the second fixed pulley 52, and then extends downwards into the driving mechanism 40 , extends upward from the driving mechanism 40 and is fixed on the vehicle body 30 . The balance guide wheel can balance the traction force of the traction rope 60 on both sides of the car body 30, so that the traction force of the traction rope 60 on both sides of the car body 30 is the same on the car body 30, effectively avoiding the phenomenon that the car body 30 is inclined, and then The stability of the operation of the vehicle body 30 is guaranteed.

Optionally, the balance guide wheels include a first balance guide wheel 72 and a second balance guide wheel 73 , and the first balance guide wheel 72 and the second balance guide wheel 73 are arranged at intervals along a moving direction perpendicular to the vehicle body 30 . The first balance guide wheel 72 and the second balance guide wheel 73 can make the traction rope 60 on opposite sides of the adjustment mechanism 70 parallel to the moving direction of the vehicle body 30 .

Optionally, the fixing part 71 is provided with a first installation protrusion 74 protruding from the balance guide wheel, and the adjustment mechanism 70 further includes a pressing plate 75, which is installed on the first installation protrusion 74 and covers the balance guide wheel. Setting the first installation protrusion 74 and the pressure plate 75 can prevent the operator from accidentally touching the moving traction rope 60 and the rotating balance guide wheel, effectively ensuring the personal safety of the operator and improving the safety and reliability of the lifting device . Preferably, the pressing plate 75 is connected to the first mounting protrusion 74 by screws.

Optionally, the adjustment mechanism 70 further includes a fastener 76 , the pressing plate 75 has a mounting through hole through which the fastener 76 passes, and the fastener 76 is sequentially installed in the through hole and the balance guide wheel is fixed on the fixing part 71 . The balance guide wheel is rotatable around the axis of the fastener 76 . In this way, the installation of the balance guide wheel has a simple structure, reduces parts, is easy to install, and reduces costs.

Optionally, the fixing portion 71 is further provided with a second mounting protrusion 77 protruding from the balance guide wheel, and the second mounting protrusion 77 and the first mounting protrusion 74 are located on opposite sides of the balance guide wheel. When the fastener 76 is loosened, the pressing plate 75 extends to the second mounting protrusion 77 so that the pressing plate 75 abuts against the second mounting protrusion 77 . Can prevent the situation that pressing plate 75 interferes with traction rope 60, balance guide wheel like this, guarantee traction rope 60, balance guide wheel normally work effectively.

Optionally, both the first end of the traction rope 60 and the second end of the traction rope 60 are connected to the vehicle body 30 through the traction rope tensioning mechanism 92 . The traction rope tensioning mechanism 92 is installed at the end of the traction rope 60. When the traction rope 60 is loosened, the traction rope tensioning mechanism 92 can tension the traction rope. The traction rope tensioning mechanism 92 can be adjusted after anti-loosening, so as to ensure the normal operation of the traction rope tensioning device.

Optionally, as shown in FIG. 1 , FIG. 2 and FIG. 6 , the vehicle body 30 adopts a semi-open structure, an adjustment mechanism 70 is provided at the upper end of the vehicle body 30 , and a traction rope tensioning mechanism 92 is provided at the lower end of the vehicle body 30 . The traction rope tensioning mechanism 92 plays a role in tensioning the traction rope 60 . Traction rope tensioning mechanism 92 comprises adjusting screw mandrel, thrust bearing, spring, lock piece and nut, and adjusting screw mandrel is installed on the car body 30, and spring and thrust bearing are sleeved on the adjusting screw mandrel, and nut is screwed on the adjusting screw mandrel. superior. The end of the traction rope 60 passes through the adjusting screw mandrel, spring, thrust bearing and nut successively, the traction rope is compressed by the locking member, and the traction rope is tensioned by adjusting the fastener and the adjusting screw mandrel. The adjusting screw rod passes through the spring and the thrust bearing in turn, and then is screwed with a nut. The adjusting screw rod is very long and has a large adjustment range.

Optionally, the lifting device further includes a stall protection mechanism 91 installed on the vehicle body 30 and connected to the slide rail 20 . The stall prevention mechanism 91 can effectively ensure the safety of people on the vehicle body 30 . Elevating device also comprises 2 anti-falling mechanisms and 8 guide wheel mechanisms, 2 anti-falling mechanisms and 8 guide wheel mechanisms install the back of car body 30, and guide wheel mechanism cooperates with slide rail, and anti-falling mechanism is to car body 30. To prevent falling off, the guide wheel mechanism guides the vehicle body 30 . The slide rail 20 is installed in the middle of the ladder. This can ensure the running stability of the vehicle body 30 .

Optionally, as shown in FIG. 2 , a handrail 83 is installed on the car body 30 , and when the car body 30 moves up and down, the operator can hold the handrail 83 to effectively ensure the personal safety of the operator.

Optionally, as shown in FIGS. 4 to 6 , the drive mechanism 40 includes a motor 41, a first drive wheel 42 and a second drive wheel, the motor 41 is installed at the bottom of the ladder 10, and the first drive wheel 42 and the second drive wheel They are all installed on the output end of the motor 41, wherein, after the second end of the traction rope 60 extends downwards and bypasses the first driving wheel 42, it extends upwards and bypasses the first fixed pulley 51, and then extends downwards into the adjustment mechanism 70 , after coming out from the adjustment mechanism 70 , it extends upwards to bypass the second fixed pulley 52 , then extends downwards to bypass the second driving wheel, and finally extends upwards and is fixed on the vehicle body 30 . The motor 41 drives the first driving wheel 42 and the second driving wheel to rotate. The first driving wheel 42 drives the traction rope 60 located on one side of the vehicle body 30 to move, while the second driving wheel drives the traction rope 60 located on the other side of the vehicle body 30. The rope moves, and then drives the car body 30 to move up and down, so as to realize the transportation of personnel and materials. The motor 41 is a power source, and the motor 41 provides power for the lifting device. Preferably, the driving mechanism 40 is installed at the bottom of the ladder, which is convenient for installation, reduces the labor intensity of operators, facilitates maintenance by maintenance personnel, and improves work efficiency.

As shown in Figure 4, optionally, the driving mechanism 40 also includes a first idler 43, the first idler 43 is installed on the ladder 10, the first idler 43 is located on one side of the first driving wheel 42, and the traction rope 60 The second end of the second end extends downwards and bypasses the first idler wheel 43 and the first driving wheel 42 in turn, then extends upwards and bypasses the first fixed pulley 51, and then extends downwards into the adjustment mechanism 70. After coming out of the adjustment mechanism 70, It extends upwards and bypasses the second fixed pulley 52 , then extends downwards and bypasses the second driving wheel, and finally extends upwards and is fixed on the vehicle body 30 . The first idle wheel 43 can change the direction of the traction rope 60 to improve the stability of the lifting device.

Optionally, the driving mechanism 40 also includes a second idler wheel 44, the second idler wheel 44 is installed on the ladder 10, the first idler wheel 43 and the first drive wheel 42 are located on opposite sides of the second idler wheel 44, traction The second end of the rope 60 extends downwards and bypasses the first idler wheel 43, the first driving wheel 42 and the second idler wheel 44 in sequence, then extends upwards and bypasses the first fixed pulley 51, and then extends downwards into the adjustment mechanism 70. , after coming out from the adjustment mechanism 70 , it extends upwards to bypass the second fixed pulley 52 , then extends downwards to bypass the second driving wheel, and finally extends upwards and is fixed on the vehicle body 30 . The second idle wheel 44 can change the direction of the traction rope 60, effectively improving the stability of the lifting device.

As shown in Figure 4, optionally, the lifting device also includes a first fixed plate 81, the first fixed plate 81 is installed on the ladder 10, and the first driving wheel 42, the first idler wheel 43 and the second idler wheel 44 are all installed on the first fixed plate 81 . The first fixing plate 81 can facilitate the installation of the first driving wheel 42 , the first idler wheel 43 and the second idler wheel 44 , which makes the installation easier and reduces the labor intensity of the operator. The first driving wheel 42 , the first idler wheel 43 and the second idler wheel 44 are all mounted on a side of the first fixing plate 81 away from the motor 41 .

Optionally, the lifting device also includes a third idler wheel and a fourth idler wheel, the third idler wheel and the fourth idler wheel are installed on the ladder, and the third idler wheel and the second drive wheel are located on opposite sides of the fourth idler wheel On both sides, the second end of the traction rope 60 extends downwards to bypass the first idler wheel 43, the first driving wheel 42 and the second idler wheel 44, then extends upwards to bypass the first fixed pulley 51, and then extends downwards Enter the adjustment mechanism 70, after coming out of the adjustment mechanism 70, extend upwards to bypass the second fixed pulley 52, then extend downwards to bypass the fourth idler wheel, the second driving wheel and the third idler wheel, and finally extend upwards to fix on the vehicle body 30 . That is to say, the first driving wheel 42 , the first idler wheel 43 and the second idler wheel 44 are arranged symmetrically with the second driving wheel, the third idler wheel and the fourth idler wheel with respect to the axis of the motor 41 .

Optionally, the lifting device further includes a second fixed plate 82 , the second fixed plate 82 is installed on the ladder 10 , and the second driving wheel, the third idler wheel and the fourth idler wheel are all installed on the second fixed plate 82 . The second fixing plate 82 can facilitate the installation of the second driving wheel, the third idler wheel and the fourth idler wheel, which makes the installation easier and reduces the labor intensity of the operator. The second driving wheel, the third idler wheel and the fourth idler wheel are all mounted on the side of the second fixing plate 82 away from the motor 41 . That is to say, the motor 41 is located between the first fixing plate 81 and the second fixing plate 82 , that is, the first fixing plate 81 and the second fixing plate 82 are arranged symmetrically with respect to the axis of the motor 41 .

Optionally, the lifting device also includes two safety covers 84, one safety cover 84 is arranged on the first fixed plate 81 and is arranged outside the first idler wheel 43, the first drive wheel 42 and the second idler wheel 44, and the other A safety cover 84 is arranged on the second fixed plate 82 and is arranged on the outside of the second driving wheel, the third idler wheel and the fourth idler wheel. The safety cover 84 can prevent the operator from accidentally touching the driving mechanism, effectively guarantee the personal safety of the operator, and improve the safety and reliability of the lifting device.

Optionally, both the first fixed plate 81 and the second fixed plate 82 are installed on the lower bracket of the lifting device, the motor 41 is installed in the middle of the first fixed plate 81 and the second fixed plate 82, and the torque limiter 45 is installed on the motor 41 , the first drive wheel 42 and the second drive wheel. The motor 41 provides power, and the traction rope 60 drives the car body 30 to run up and down, so as to realize the transportation of personnel and materials. Preferably, the motor 41 is a geared motor. Optionally, the slide rail 20 is an inner card type slide rail, which is used for guiding and safety protection of the vehicle body 30 .

As shown in Figures 1 and 6, one end of the traction rope of the lifting device of the present embodiment is fixed on the bottom of the car body 30 through a traction rope tensioning mechanism, and the other end of the traction rope extends downwards and then bypasses the first idler wheel in turn 43, the first driving wheel 42, the second idler wheel 44. After the other end of the traction rope walks around the second idler wheel 44, it extends upwards along the ladder 10, walks around the first fixed pulley 51, and then extends downwards to pass through the adjusting mechanism. After coming out from the adjustment mechanism 70 , it extends upwards and bypasses the second fixed pulley 52 . Then extend downwards along the ladder 10 and bypass the fourth idler wheel, the second driving wheel and the third idler wheel in turn. Finally, it extends upwards and is fixed on the bottom of the vehicle body 30 through a traction rope tensioning mechanism.

The motor 41 drives the traction rope to move the car body 30 to move along the slide rail 20, so that the car body 30 can automatically rise and fall, realize the up and down movement of the car body 30, and achieve the purpose of transporting personnel and materials. The operation is simple and convenient, and occupies a large space. Small, the installation of the lifting device does not change the structure of the original safety ladder.

The lifting device of this embodiment is equipped with a safety protection device, a fall arrester, a stall protection device, a traction rope and a triple protection structure to ensure safe operation. Wherein, the anti-drop device is installed on the slide rail, and the stall protection device is installed between the car body and the slide rail. The guide assembly at the rear of the car body cooperates with the slide rail to complete the guide.

The lifting device of this embodiment is optimized for power drive, and the single drive is changed to double drive. Compared with other single drive auxiliary aerial work equipment before, it has higher safety and more stable operation. The volume of the lifting device is optimized to facilitate the transportation, installation and maintenance of the equipment, and the operation is more convenient for the operators.

To sum up, the lifting device of this embodiment is easy to install, does not affect the structure of the original safety ladder, and is easy to operate. The slide rail is also used as a part of the fall prevention, which is more secure than other similar climbing aids, and is suitable for wind towers, etc. Aerial work platforms are used to transport personnel and materials.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a jacking system, is characterized in that, comprising:

Ladder (10);

Slide rail (20), is arranged on described ladder (10);

Car body (30), is arranged on described slide rail (20),

Driver train (40), is arranged on the bottom of described ladder (10) and drives described car body (30) upper mobile at described slide rail (20);

First fixed pulley (51) and the second fixed pulley (52), interval is arranged on the top of described ladder (10);

Regulating mechanism (70), is arranged on described car body (30);

Hauling rope (60), the first end of described hauling rope (60) is fixed on described car body (30), second end of described hauling rope (60) down extends into described driver train (40), from described driver train (40) out after up extend around described first fixed pulley (51), down extend into described regulating mechanism (70) again, from described regulating mechanism (70) out after up extend around described second fixed pulley (52), then described driver train (40) is down extended into, last up extension after described driver train (40) is fixed on described car body (30),

Wherein, described regulating mechanism (70) regulates the tractive force being positioned at the relative both sides of described car body (30) of described hauling rope (60).

2. jacking system according to claim 1, it is characterized in that, described regulating mechanism (70) comprises fixed part (71) and balance track adjusting wheel, described fixed part (71) is arranged on described car body (30), described stable steering wheel is arranged on described fixed part (71), second end of described hauling rope (60) down extends into described driver train (40), from described driver train (40) out after up extend around described first fixed pulley (51) and down extend around described stable steering wheel again and up extend around described second fixed pulley (52) again and down extend into described driver train (40) again, up extend after described driver train (40) and be fixed on described car body (30).

3. jacking system according to claim 2, it is characterized in that, described stable steering wheel comprises the first stable steering wheel (72) and the second stable steering wheel (73), and described first stable steering wheel (72) and described second stable steering wheel (73) are arranged along the moving direction interval perpendicular to described car body (30).

4. jacking system according to claim 2, it is characterized in that, described fixed part (71) is provided with the first installation protuberance (74) protruding from described stable steering wheel, described regulating mechanism (70) also comprises pressing plate (75), and described pressing plate (75) is arranged on described first and installs protuberance (74) and go up and cover and establish described stable steering to take turns.

5. jacking system according to claim 4, it is characterized in that, described regulating mechanism (70) also comprises fastener (76), described pressing plate (75) has the installation through hole passed for described fastener (76), and described fastener (76) successively described installation through hole and described stable steering wheel is fixed on described fixed part (71).

6. jacking system according to claim 4, it is characterized in that, described fixed part (71) is also provided with the second installation protuberance (77) protruding from described stable steering wheel, described second installs protuberance (77) and described first installs the relative both sides that protuberance (74) is positioned at described stable steering wheel.

7. jacking system according to claim 1, it is characterized in that, the first end of described hauling rope (60) is all connected with described car body (30) by hauling rope stretching device (92) with the second end of described hauling rope (60).

8. jacking system according to claim 1, is characterized in that, described driver train (40) comprising:

Motor (41), is arranged on the bottom of described ladder (10);

First drive wheel (42) and the second drive wheel, be installed on the mouth of described motor (41),

Wherein, after second end of described hauling rope (60) down extends around described first drive wheel (42), up extend around described first fixed pulley (51), down extend into described regulating mechanism (70) again, from described regulating mechanism (70) out after, up extend around described second fixed pulley (52), then down extend around described second drive wheel, finally up extend and be fixed on described car body (30).

9. jacking system according to claim 8, it is characterized in that, described driver train (40) also comprises the first idle pulley (43), described first idle pulley (43) is arranged on described ladder (10), described first idle pulley (43) is positioned at the side of described first drive wheel (42), second end of described hauling rope (60) down extends around successively after described first idle pulley (43) and described first drive wheel (42), up extend around described first fixed pulley (51), down extend into described regulating mechanism (70) again, from described regulating mechanism (70) out after, up extend around described second fixed pulley (52), then described second drive wheel is down extended around, last up extension is fixed on described car body (30).

10. jacking system according to claim 9, it is characterized in that, described driver train (40) also comprises the second idle pulley (44), described second idle pulley (44) is arranged on described ladder (10), described first idle pulley (43) is positioned at the relative both sides of described second idle pulley (44) with described first drive wheel (42), second end of described hauling rope (60) down extends around described first idle pulley (43) successively, after described first drive wheel (42) and described second idle pulley (44), up extend around described first fixed pulley (51), down extend into described regulating mechanism (70) again, from described regulating mechanism (70) out after, up extend around described second fixed pulley (52), then described second drive wheel is down extended around, last up extension is fixed on described car body (30).