Lifting device for replacing engine of super high-rise building

Abstract

The utility model discloses a hoisting and lifting device for replacing an engine of a super high-rise building, which comprises a track frame, variable-amplitude fixing frames are arranged at the two ends of the track frame respectively, and a hoisting frame is arranged below the track frame in a sliding mode through at least two floating wheel supporting frames. The at least two floating wheel supporting frames slide on the track frame through the floating wheel sets and the double floating wheel sets. A variable-amplitude winch is fixedly arranged above the hoisting frame, and the ends of two steel wire ropes wound in the variable-amplitude winch are respectively connected with a variable-amplitude fixing frame; the lower part of the hoisting frame is connected with a winch installation and maintenance platform through a hoisting winch placing frame, and a hoisting winch is fixedly arranged on the hoisting winch placing frame; a guide pulley box is arranged at one end of the hoisting frame, and the end of a steel wire rope wound in the hoisting winch bypasses the guide pulley box and is connected to the wedge sleeve set after being connected with the double-rope lifting hook set in a hanging mode. According to the device, the walking direction is controlled through the variable-amplitude winch, and the lifting action of the lifting hook is controlled through the lifting winch, so that the generator is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting machinery, in particular to a lifting and lowering device used for replacing an engine of a super high-rise building. Background Art

[0002] With the development of science and technology, various types of super high-rise buildings have sprung up. These super high-rise buildings have high electricity requirements due to the installation of elevators, and are equipped with special generator sets to prevent various inconveniences and dangers caused by sudden power outages. However, since the equipment rooms of many super high-rise buildings are located at a high position, when the generator is damaged and needs to be repaired or replaced, it is currently only carried out manually, which requires high time cost, space cost and economic cost. Therefore, a super high-rise building generator replacement lifting and hoisting device is developed to achieve the purpose of replacing the generator. Utility Model Content

[0003] The utility model aims to provide a lifting and lowering device for replacing an engine of a super high-rise building, thereby solving the problem of difficulty in replacing and repairing an elevator engine of a super high-rise building.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A lifting and lowering device for replacing an engine of a super high-rise building comprises a track frame fixedly mounted on the top of a main structure, a luffing fixed frame is arranged at both ends of the track frame, a lifting frame is slidably arranged below the track frame through at least two floating wheel support frames, and the at least two floating wheel support frames slide on the track frame through a floating wheel group and a double floating wheel group; a luffing winch is fixedly arranged above the lifting frame, and the ends of two steel wire ropes wound in the luffing winch are respectively connected to a luffing fixed frame; a winch installation and maintenance platform is connected through a lifting winch placement frame below the lifting frame, and a lifting winch is fixedly installed on the lifting winch placement frame; a guide pulley box is arranged at one end of the lifting frame, and the end of the steel wire rope wound in the lifting winch is connected to a wedge sleeve group after passing through the guide pulley box and being hung with a double rope hook group, and the wedge sleeve group is arranged at the bottom of the lifting frame.

[0006] Preferably, the floating wheel group includes a guide wheel, a step guide wheel and two side panels; one or more guide wheels are connected between the two side panels, and the axes of the multiple guide wheels are in the same horizontal plane; one or more groups of step guide wheels are arranged opposite to each other on the top of the two side panels, and the axes of the multiple groups of step guide wheels are in the same horizontal plane; the floating wheel support frame is hinged under the two side panels through a connecting shaft, and when the floating wheel group is slidably installed on the track frame, the guide wheel contacts the lower surface of the track of the track frame, and a group of the step guide wheels are distributed on both sides of the track.

[0007] Preferably, the double floating wheel set comprises a main floating wheel frame and two sets of auxiliary floating wheel sets, the two sets of auxiliary floating wheel sets are hinged at both ends of the top of the main floating wheel frame, and the floating wheel support frame is hinged below the auxiliary floating wheel set through a connecting shaft.

[0008] Preferably, the luffing fixed frame includes a balance plate, a wedge sleeve, a pin and an ear plate with a base. The ear plate with a base is fixedly installed in the middle of one end of the track frame. The balance plate is hinged to the ear plate with a base through a pin. A wedge sleeve is provided at both ends of the balance plate, and the end of the wire rope wound in the luffing winch is connected to the wedge sleeve.

[0009] Preferably, the guide pulley box comprises a pulley box, a pulley and a rope-stopping rod, the pulley is rotatably mounted on the pulley box, the pulley box is fixedly mounted at one end of the lifting frame, and a rope-stopping rod is arranged in the middle of the pulley box and outside the pulley.

[0010] Preferably, the double-rope hook group includes two pulley groups, a hook and a balancing weldment, the two pulley groups are hinged above the balancing weldment, and the balancing weldment is hinged below the balancing weldment. The two steel wire ropes wound in the lifting winch pass around the guide pulley box and then pass around a pulley group respectively, and the ends of the steel wire ropes are connected to the wedge sleeve group.

[0011] Preferably, the wedge sleeve assembly includes a fixed seat and a hinged ring, the fixed seat is fixedly installed below one end of the lifting frame, the hinged ring is hinged to the fixed seat, and the end of the wire rope wound in the lifting winch is fixedly connected to the hinged ring.

[0012] In the utility model, in the floating wheel group, the guide wheel contacts the lower surface of the track of the track frame to play a guiding role; the step guide wheels are distributed on both sides of the track to prevent the lifting and lowering equipment from derailing during the walking process; the floating wheel group and the floating wheel support frame are hinged through a connecting shaft, and the angle of the floating wheel group is adjusted to ensure that the two guide wheels are in contact with the track; the two side plates are connected by pins, which is easy to install.

[0013] The front and rear arrangement of the floating wheel group and the double floating wheel group ensures that the contact surface between each guide wheel and the track frame is evenly stressed, reducing the local wheel pressure. The luffing winch and the luffing fixed frame are used to control the movement of the lifting device in the direction of the guide rail. The double-rope hook group and the wedge sleeve group are used to halve the wire rope tension, improving the safety of the lifting equipment.

[0014] The double floating wheel set is matched with the floating wheel set with adjustable angle to evenly distribute the weight of the whole machine of the lifting and lowering device on each guide wheel. The two auxiliary floating wheel sets are hinged on the main floating wheel frame, and the guide wheels of the two auxiliary floating wheel sets are adjusted to contact with the track frame.

[0015] The rotation of the luffing winch will pull the entire equipment in the horizontal direction through the wire rope, and the rotation direction of the luffing winch is consistent with the lifting and lowering rotation direction. The floating wheel group and the double floating wheel group are used to adjust the angle to ensure that all guide wheels are in contact with the track frame.

[0016] The hoisting winch wire rope is guided by the guide pulley box, passes through the pulley box of the double-rope hook group and is connected to the wedge sleeve group. The double-rope double-rate structure is adopted to reduce the tension of the wire rope by half, greatly improving the safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the main view of the overall structure of the utility model;

[0018] Figure 2 This is a top view of the overall structure of the utility model;

[0019] Figure 3 It is the right view of the overall structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the guide pulley box of the utility model;

[0021] Figure 5 This is a schematic diagram of a double-rope hook assembly of the utility model;

[0022] Figure 6 This is a schematic diagram of the wedge sleeve assembly of the utility model;

[0023] In the figure: 1. winch installation and maintenance platform; 2. lifting winch placement frame; 3. lifting winch; 4. lifting frame; 5. floating wheel support frame; 6. floating wheel group; 7. double floating wheel group; 8. luffing winch; 9. luffing fixing frame; 10. guide pulley box; 11. double rope hook group; 12. wedge sleeve group; 13. track frame; 60. guide wheel; 61. step guide wheel; 62. side plate; 70. main floating wheel frame; 71. auxiliary floating wheel group; 90. balance plate; 91. wedge sleeve; 92. pin shaft; 93. ear plate with base; 100. pulley box; 101. pulley; 102. rope stop rod; 110. pulley group; 111. hook; 112. balance weldment; 120. fixed seat; 121. hinge ring. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings:

[0025] like Figure 1 to Figure 6 The lifting and lowering device shown is used for replacing the engine of a super high-rise building, including a track frame 13 fixedly installed on the top of the main structure. The track frame 13 is welded by I-beams, square tubes, and bottom plates, and the upper bottom plate is fixed to the top of the main structure by bolts.

[0026] A lifting frame 4 is slidably arranged below the track frame 13 through at least two floating wheel support frames 5. The lifting frame 4 is welded and formed by rectangular tubes, channel steels, angle steels and plates, wherein large rectangular tubes on both sides serve as main beams, and the lower side of the main beams is welded to the connecting plates.

[0027] A luffing winch 8 is fixedly arranged above the lifting frame 4. The ends of two steel wire ropes wound in the luffing winch 8 are respectively connected to a luffing fixed frame 9. The luffing winch 8 can realize the horizontal movement of the lifting and lowering device.

[0028] A variable amplitude fixing frame 9 is provided at both ends of the track frame 13, and the variable amplitude fixing frame 9 includes a balancing plate 90, a wedge sleeve 91, a pin shaft 92 and an ear plate with a base 93. The ear plate with a base 93 is fixedly installed in the middle of one end of the track frame 13, and the balancing plate 90 is hinged to the ear plate with a base 93 through the pin shaft 92. A wedge sleeve 91 is provided at both ends of the balancing plate 90, and the end of the wire rope wound in the variable amplitude winch 8 is connected to the wedge sleeve 91.

[0029] At least two floating wheel support frames 5 slide on the track frame through floating wheel groups 6 and double floating wheel groups 7. The floating wheel support frame is formed by welding rectangular tubes and plates, and is in a U shape, which also supports the lifting frame 4. The floating wheel group 6 includes a guide wheel 60, a step guide wheel 61 and two side plates 62; one or more guide wheels 60 are connected between the two side plates 62, and the axes of the multiple guide wheels 60 are on the same horizontal plane, and the guide wheels 60 play a horizontal guiding role; one or more groups of step guide wheels 61 are arranged oppositely on the top of the two side plates 62, and the axes of the multiple groups of step guide wheels 61 are on the same horizontal plane; the floating wheel support frame 5 is hinged under the two side plates 62 through a connecting shaft, and when the floating wheel group 6 is slidably installed on the track frame 13, the guide wheel 60 contacts the lower surface of the track of the track frame 13, and a group of step guide wheels 61 is distributed on both sides of the track.

[0030] The double floating wheel set 7 includes a main floating wheel frame 70 and two sets of auxiliary floating wheel sets 71. The two sets of auxiliary floating wheel sets 71 are hinged at both ends of the top of the main floating wheel frame 70. The floating wheel support frame 5 is hinged below the auxiliary floating wheel sets 71 through a connecting shaft. The main floating wheel frame 70 is welded and formed by a plate. The two auxiliary floating wheel sets are connected to the main floating wheel frame 70 through a connecting shaft. The auxiliary floating wheel set 71 is composed of a guide wheel, a stepped guide wheel, a guide wheel shaft and ear plates on both sides.

[0031] A winch installation and maintenance platform 1 is connected to the lifting winch placement frame 2 below the lifting frame 4, and a lifting winch 3 is fixedly installed on the lifting winch placement frame 2. The winch installation and maintenance platform 1 consists of a traveling chassis and a safety guardrail. The traveling chassis is welded by channel steel and angle steel, and is covered with a patterned aluminum plate; the safety guardrail is bent and welded by round steel, and is connected to the traveling chassis by a cotter pin to play a protective role. The lifting winch placement frame 2 is welded by H-shaped steel, channel steel and plate.

[0032] A guide pulley box 10 is provided at one end of the crane frame 4. The end of the wire rope wound in the lifting winch 3 passes around the guide pulley box 10, is hung with a double-rope hook group 11, and is connected to a wedge sleeve group 12. The wedge sleeve group 12 is provided at the bottom of the crane frame 4.

[0033] The guide pulley box 10 includes a pulley box 100, a pulley 101 and a rope blocking rod 102. The pulley 101 is rotatably mounted on the pulley box 100. The pulley box 100 is fixedly mounted at one end of the lifting frame 4. A rope blocking rod 102 is arranged in the middle of the pulley box 100 and outside the pulley 101 to prevent the wire rope from slipping out of the groove.

[0034] The double-rope hook group 11 includes two pulley groups 110, a hook 111 and a balancing weldment 112. The two pulley groups 110 are hinged above the balancing weldment 112, and the balancing weldment 112 is hinged below the balancing weldment 112. The two steel wire ropes wound in the lifting winch 3 pass around the guide pulley box 10 and then pass around a pulley group 110 respectively, and the ends of the steel wire ropes are connected to the wedge sleeve group 12.

[0035] The wedge sleeve assembly 12 includes a fixed seat 120 and a hinged ring 121 . The fixed seat 120 is fixedly installed below one end of the lifting frame 4 . The hinged ring 121 is hinged to the fixed seat 120 . The end of the steel wire rope wound in the lifting winch 3 is fixedly connected to the hinged ring 121 .

[0036] Working principle: The lifting and lifting device is controlled by the rotation direction of the variable-length winch 8 to move from the parking position to the position where the generator needs to be replaced, the generator is wrapped with a lifting belt and hung on the hook 111 of the double-rope hook group 11, and the generator is lifted by the lifting winch 3. The entire lifting and lifting device continues to move to the position where the generator can be lowered through the variable-length winch 8, and then the lifting winch 3 is used to slowly place the generator in the open space downstairs, and finally the hook 111 is raised to park the lifting and lifting device at the parking position.

[0037] The above embodiments are only some descriptions of the concept and implementation of the utility model, and are not intended to limit the concept and implementation of the utility model. Under the concept of the utility model, technical solutions that have not been substantially changed are still within the scope of protection.

Claims

1. A lifting and lowering device for replacing an engine in a super high-rise building, characterized in that: The invention comprises a track frame (13) fixedly mounted on the top of a main structure, a luffing fixed frame (9) being arranged at both ends of the track frame (13), a lifting frame (4) being slidably arranged below the track frame (13) via at least two floating wheel support frames (5), and at least two floating wheel support frames (5) sliding on the track frame via floating wheel groups (6) and double floating wheel groups (7); a luffing winch (8) being fixedly arranged above the lifting frame (4), and the ends of two steel wire ropes wound in the luffing winch (8) being respectively connected to the lifting frame (4) and the lifting frame (4) being connected to the lifting frame (4). A variable amplitude fixing frame (9) is connected; a winch installation and maintenance platform (1) is connected to the bottom of the lifting frame (4) through a lifting winch placement frame (2), and a lifting winch (3) is fixedly installed on the lifting winch placement frame (2); a guide pulley box (10) is arranged at one end of the lifting frame (4), and the end of the steel wire rope wound in the lifting winch (3) passes around the guide pulley box (10), is hung with a double rope hook group (11), and is then connected to a wedge sleeve group (12), and the wedge sleeve group (12) is arranged at the bottom of the lifting frame (4).

2. The lifting and lowering device for replacing an engine in a super high-rise building according to claim 1 is characterized in that: The floating wheel group (6) comprises a guide wheel (60), a step guide wheel (61) and two side plates (62); one or more guide wheels (60) are connected between the two side plates (62), and the axes of the multiple guide wheels (60) are on the same horizontal plane; one or more groups of step guide wheels (61) are arranged on the tops of the two side plates (62) opposite to each other, and the axes of the multiple groups of step guide wheels (61) are on the same horizontal plane; the floating wheel support frame (5) is hingedly connected to the bottom of the two side plates (62) through a connecting shaft, and when the floating wheel group (6) is slidably mounted on the track frame (13), the guide wheel (60) contacts the lower surface of the track of the track frame (13), and a group of the step guide wheels (61) is distributed on both sides of the track.

3. The lifting and lowering device for replacing an engine in a super high-rise building according to claim 1 is characterized in that: The double floating wheel set (7) comprises a main floating wheel frame (70) and two sets of auxiliary floating wheel sets (71), the two sets of auxiliary floating wheel sets (71) are hinged at two ends of the top of the main floating wheel frame (70), and the floating wheel support frame (5) is hinged below the auxiliary floating wheel sets (71) via a connecting shaft.

4. The lifting and lowering device for replacing an engine in a super high-rise building according to claim 1 is characterized in that: The luffing fixed frame (9) comprises a balancing plate (90), a wedge sleeve (91), a pin shaft (92) and an ear plate with a base (93). The ear plate with a base (93) is fixedly mounted at the middle of one end of the track frame (13). The balancing plate (90) is hinged to the ear plate with a base (93) via the pin shaft (92). A wedge sleeve (91) is provided at both ends of the balancing plate (90). The end of the steel wire rope wound in the luffing winch (8) is connected to the wedge sleeve (91).

5. The lifting and lowering device for replacing an engine in a super high-rise building according to claim 1 is characterized in that: The guide pulley box (10) comprises a pulley box (100), a pulley (101) and a rope-blocking rod (102); the pulley (101) is rotatably mounted on the pulley box (100); the pulley box (100) is fixedly mounted on one end of the lifting frame (4); and a rope-blocking rod (102) is arranged in the middle of the pulley box (100) and outside the pulley (101).

6. The lifting and lowering device for replacing an engine in a super high-rise building according to claim 1 is characterized in that: The double-rope hook assembly (11) comprises two pulley assemblies (110), a hook (111) and a balancing weldment (112). The two pulley assemblies (110) are hinged above the balancing weldment (112), and the balancing weldment (112) is hinged below the balancing weldment (112). The two steel wire ropes wound in the hoisting winch (3) pass through the guide pulley box (10) and then pass through a pulley assembly (110) respectively, and the ends of the steel wire ropes are connected to the wedge sleeve assembly (12).

7. The lifting and lowering device for replacing an engine in a super high-rise building according to claim 1 is characterized in that: The wedge sleeve assembly (12) comprises a fixed seat (120) and a hinged ring (121), the fixed seat (120) being fixedly mounted below one end of the lifting frame (4), the hinged ring (121) being hinged to the fixed seat (120), and the end of the steel wire rope wound inside the lifting winch (3) being fixedly connected to the hinged ring (121).

Images