Rope lifting device for checking explosion-proof speed governor

Abstract

The utility model relates to the technical field of verification of speed limiters, in particular to a rope lifting device for verification of an explosion-proof speed limiter, which comprises a rope lifting mechanism for lifting a steel wire rope on a rope wheel, and a lifting mechanism for lifting rope lifting equipment is mounted on the rope lifting mechanism. By arranging the rope lifting mechanism and the lifting mechanism, when the device is used, a steel wire rope on a speed limiter is fed between the two positioning plates, the motor is started, the motor operates to drive the two-way lead screw to rotate, the two-way lead screw rotates to drive the two sliding blocks to move oppositely, the sliding blocks drive the movable rods to move through the movable plates, and the two movable rods move oppositely and make contact with each other; and meanwhile, the movable plate makes contact with the positioning plate, the steel wire rope is loosened, the steel wire rope falls onto the movable rod under the action of gravity, the movable rod lifts the steel wire rope, then the electric push rod is started, the electric push rod retracts to drive the lifting assembly to descend, and after the lifting assembly descends, the lifting assembly is used for lifting the movable plate and the positioning plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to speed limiter check technical field, especially a kind of rope lifting device for explosion-proof speed limiter check. BACKGROUND

[0002] In order to ensure the safe operation of elevator, the national elevator inspection regulation stipulates that the elevator speed limiter should be checked every two years, and the check is usually carried out in the machine room of the elevator site. The method adopted at present is: the elevator is powered off, the tensioning wheel is raised with a support in the pit, and the steel wire rope is pried out from the speed limiter pulley in the machine room with a screwdriver and other tools, then it is pulled upward by force with manpower, and after being pulled up to the position, it is clamped with a vice to prevent the steel wire rope from falling back. After the pulley is free to rotate under load, the speed limiter is checked with a speed limiter checker.

[0003] Publication No. (CN221607520U) discloses a kind of rope lifting device for speed limiter check, moves pull block, and then drive rack moves, rack moves, drive gear, shaft, second connecting block and fourth connecting block move, fourth connecting block moves, drive first limit block moves, through first limit block clamping steel rope, avoid manual limiting steel rope, reduce operator's working steps, avoid personnel injury, the above-mentioned device relies on two first limit blocks to pull steel wire rope, however, the weight of steel wire rope is large, and it is difficult to pull steel wire rope stably only by two first limit blocks, there is a risk of falling off steel wire rope, which needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned problems and provides a kind of rope lifting device for explosion-proof speed limiter check.

[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:

[0006] A kind of rope lifting device for explosion-proof speed limiter check, including the rope lifting mechanism for pulling the steel wire rope on pulley, rope lifting mechanism is installed with the lifting mechanism for lifting rope lifting equipment;

[0007] Rope lifting mechanism includes bottom plate, fixed rod is installed on the upper surface of bottom plate, fixed plate is connected on the upper surface of fixed rod, fixed shell is set on fixed plate, motor is installed on the front surface of fixed shell, bidirectional screw rod is fixed with the output end of motor, slide block is installed on bidirectional screw rod, the number of slide block is two, movable plate is fixed on the lower surface of slide block, movable rod is fixed on movable plate, positioning plate is set on the lower surface of fixed shell, the number of positioning plate is two;

[0008] Lifting mechanism includes fixed block installed on the side wall of bottom plate, electric push rod is installed on the upper surface of fixed block, lifting block is installed on the telescopic end of electric push rod, lifting assembly is fixed between two lifting blocks.

[0009] Preferably, the lifting assembly comprises a lifting plate fixed between the two lifting blocks, the lifting plate is provided with a sliding table, the number of the sliding table is two, the upper surface of the sliding table is fixed with a first bent rod, the end of the first bent rod away from the sliding table is connected with a threaded sleeve, the threaded sleeve is provided with a threaded rod, the lower surface of the sliding table is provided with a second bent rod, and the end of the second bent rod away from the sliding table is fixed with a lifting block.

[0010] Preferably, the bidirectional screw rod is rotationally connected with the fixed shell, and the sliding block is threadedly connected with the bidirectional screw rod.

[0011] Preferably, the sliding block is slidably connected with the fixed shell, the movable plate is slidably connected with the fixed shell, and the movable rod is slidably connected with the positioning plate.

[0012] Preferably, the sliding table is slidably connected with the lifting plate.

[0013] Preferably, the upper end surface of the threaded rod is provided with a knob.

[0014] Compared with the prior art, the lifting rope device has the beneficial effects as follows:

[0015] By setting the lifting rope mechanism and the lifting mechanism, when the device is used, the steel wire rope on the speed limiter is sent between the two positioning plates, the motor is started, the motor runs to drive the bidirectional screw rod to rotate, the bidirectional screw rod drives the two sliding blocks to move towards each other, the sliding blocks drive the movable rods to move through the movable plates, the two movable rods move towards each other and contact, at the same time, the movable plates contact with the positioning plates, the steel wire rope is loosened, the steel wire rope falls on the movable rods under the action of gravity, the movable rods lift the steel wire rope, then the electric push rod is started, the electric push rod is retracted to drive the lifting assembly to descend, after the lifting assembly descends, the lifting assembly is used to lift the movable plates and the positioning plates, so that the stability of the movable rods is effectively improved, so that the movable rods can stably lift the steel wire rope. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 is a structural schematic view of the lifting rope device for checking the explosion-proof speed limiter;

[0018] Figure 2 is a front view of the lifting rope device for checking the explosion-proof speed limiter;

[0019] Figure 3Is the left view of the rope lifting device for checking anti-explosion speed limiter of the utility model;

[0020] Figure 4 Is the left view of the rope lifting mechanism in the rope lifting device for checking anti-explosion speed limiter of the utility model;

[0021] Figure 5 Is the front view of the movable plate and the positioning plate when being lifted in the rope lifting device for checking anti-explosion speed limiter of the utility model;

[0022] Figure 6 Is the structural schematic view of the sliding table in the rope lifting device for checking anti-explosion speed limiter of the utility model.

[0023] The sign of the reference numeral is as follows:

[0024] 1, rope lifting mechanism; 101, bottom plate; 102, fixed rod; 103, fixed plate; 104, fixed shell; 105, motor; 106, bidirectional screw; 107, sliding block; 108, movable plate; 109, movable rod; 110, positioning plate; 2, lifting mechanism; 201, fixed block; 202, electric push rod; 203, lifting block; 204, lifting plate; 205, sliding table; 206, threaded sleeve; 207, first bent rod; 208, threaded rod; 209, knob; 210, second bent rod; 211, lifting block. DETAILED DESCRIPTION

[0025] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0026] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0027] The utility model will be further described below in connection with the drawings:

[0028] As Figures 1-6 The utility model discloses a hoisting rope device for checking anti-explosion speed limiter, including the hoisting mechanism 1 for the steel wire rope on the hoisting rope wheel, install hoisting mechanism 1 for the hoisting device and be lifted lifting mechanism 2.

[0029] In the utility model, hoisting mechanism 1 includes bottom plate 101, and the fixed rod 102 is installed on the upper surface of bottom plate 101, and the fixed plate 103 is connected on the upper surface of fixed rod 102, and the fixed shell 104 is arranged on the fixed plate 103, and the motor 105 is installed on the front surface of fixed shell 104, and the bidirectional screw rod 106 is fixed with the output end of motor 105, and the sliding block 107 is installed on the bidirectional screw rod 106, and the number of sliding block 107 is two, and the movable plate 108 is fixed on the lower surface of sliding block 107, and the movable rod 109 is fixed on the movable plate 108, and the positioning plate 110 is arranged on the lower surface of fixed shell 104, and the number of positioning plate 110 is two;The bidirectional screw rod 106 is rotatably connected with the fixed shell 104, and the sliding block 107 is threadedly connected with the bidirectional screw rod 106, and the sliding block 107 is slidably connected with the fixed shell 104, and the movable plate 108 is slidably connected with the fixed shell 104, and the movable rod 109 is slidably connected with the positioning plate 110;When using the device, the steel wire rope on the speed limiter is sent between two positioning plates 110, the motor 105 is started, the motor 105 runs and drives the bidirectional screw rod 106 to rotate, the bidirectional screw rod 106 rotates and drives two sliding blocks 107 to move towards each other, the sliding block 107 moves the movable rod 109 through the movable plate 108, and two movable rods 109 move towards each other and contact, and the movable plate 108 contacts the positioning plate 110 at the same time, the steel wire rope is loosened, and the steel wire rope falls on the movable rod 109 under the action of gravity, and the movable rod 109 lifts the steel wire rope.

[0030] In the utility model, the lifting mechanism 2 includes the fixed block 201 installed on the two side walls of the bottom plate 101, the electric push rod 202 is installed on the upper surface of the fixed block 201, the telescopic end of the electric push rod 202 is installed with the lifting block 203, the lifting plate 204 is fixed between the two lifting blocks 203, the lifting plate 204 is provided with the sliding table 205, the number of the sliding table 205 is two, the first bent rod 207 is fixed on the upper surface of the sliding table 205, the one end of the first bent rod 207 away from the sliding table 205 is connected with the threaded sleeve 206, the threaded rod 208 is penetrated on the threaded sleeve 206, the knob 209 is installed on the upper end surface of the threaded rod 208, the second bent rod 210 is installed on the lower surface of the sliding table 205, the one end of the second bent rod 210 away from the sliding table 205 is fixed with the lifting block 211; the sliding table 205 is slidably connected with the lifting plate 204; after the steel wire rope is pulled, the electric push rod 202 is started, the electric push rod 202 is retracted to drive the lifting plate 204 and the lifting block 211 to descend, after the lifting block 211 is descended, the knob 209 is rotated, the threaded rod 208 is rotated under the action of the threaded sleeve 206, the threaded rod 208 is separated from the lifting plate 204 and rises, the fixed of the sliding table 205 is released, the sliding table 205 is driven to move, the sliding table 205 drives the second bent rod 210 and the lifting block 211 to move, the lifting block 211 moves and contacts the movable plate 108 and the positioning plate 110, then the sliding table 205 is fixed again, after the position of the two sliding tables 205 is adjusted, the speed limiter can be checked, the multiple lifting blocks 211 can jointly lift the movable plate 108 and the positioning plate 110, so the stability of the movable rod 109 is effectively improved, so that the movable rod 109 can stably pull the steel wire rope.

[0031] In the structure, when the device is used, the steel wire rope on the speed limiter is sent between the two positioning plates 110, the motor 105 is started, the motor 105 drives the bidirectional screw rod 106 to rotate, the bidirectional screw rod 106 drives the two sliding blocks 107 to move towards each other, the sliding blocks 107 drive the movable rods 109 to move through the movable plates 108, the two movable rods 109 move towards each other and contact, at the same time, the movable plates 108 contact the positioning plates 110, the steel wire rope is loosened, the steel wire rope falls on the movable rods 109 under the action of gravity, the movable rods 109 pull the steel wire rope, then the electric push rod 202 is started, the electric push rod 202 retracts to drive the lifting plate 204 and the lifting block 211 to descend, after the lifting block 211 descends, the knob 209 is rotated, the knob 209 drives the threaded rod 208 to rotate, the rotating threaded rod 208 rises under the action of the threaded sleeve 206, the threaded rod 208 rises and separates from the lifting plate 204, the fixing of the sliding table 205 is released, the sliding table 205 is driven to move, the sliding table 205 drives the second bent rod 210 and the lifting block 211 to move, the lifting block 211 moves and contacts the movable plates 108 and the positioning plates 110, then the sliding table 205 is fixed again, after the positions of the two sliding tables 205 are adjusted, the speed limiter can be checked.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A rope hoist for use in checking an explosion-proof speed limiter, characterized by: The utility model provides a hoisting mechanism (1) for the steel wire rope on the pull-up rope wheel, and a lifting mechanism (2) for lifting the hoisting equipment is installed on the hoisting mechanism (1); The hoisting mechanism (1) comprises a bottom plate (101), a fixed rod (102) is installed on the upper surface of the bottom plate (101), a fixed plate (103) is connected to the upper surface of the fixed rod (102), a fixed shell (104) is arranged on the fixed plate (103), a motor (105) is installed on the front surface of the fixed shell (104), a bidirectional lead screw (106) is fixed to the output end of the motor (105), a sliding block (107) is installed on the bidirectional lead screw (106), the number of the sliding blocks (107) is two, a movable plate (108) is fixed to the lower surface of the sliding block (107), a movable rod (109) is fixed to the movable plate (108), a positioning plate (110) is arranged on the lower surface of the fixed shell (104), and the number of the positioning plates (110) is two. The lifting mechanism (2) comprises fixed blocks (201) installed on the two side walls of the bottom plate (101), electric push rods (202) are installed on the upper surfaces of the fixed blocks (201), lifting blocks (203) are installed at the telescopic ends of the electric push rods (202), and a lifting assembly is fixed between the two lifting blocks (203).

2. A rope lifting device for use in the calibration of an explosion-proof speed limiter according to claim 1, characterised in that: The lifting assembly comprises a lifting plate (204) fixed between the two lifting blocks (203), sliding tables (205) are arranged on the lifting plate (204), the number of the sliding tables (205) is two, first bent rods (207) are fixed to the upper surfaces of the sliding tables (205), threaded sleeves (206) are connected to the ends, away from the sliding tables (205), of the first bent rods (207), threaded rods (208) are arranged in the threaded sleeves (206), second bent rods (210) are installed on the lower surfaces of the sliding tables (205), and lifting blocks (211) are fixed to the ends, away from the sliding tables (205), of the second bent rods (210).

3. A rope lifting device for use in the calibration of an explosion-proof speed limiter according to claim 1, characterised in that: The bidirectional lead screw (106) is rotationally connected to the fixed shell (104), and the sliding block (107) is threadedly connected to the bidirectional lead screw (106).

4. A rope lifting device for use in the calibration of an explosion-proof speed limiter according to claim 1, characterized in that: The sliding block (107) is slidably connected to the fixed shell (104), the movable plate (108) is slidably connected to the fixed shell (104), and the movable rod (109) is slidably connected to the positioning plate (110).

5. A rope lifting device for use in checking an explosion-proof speed limiter according to claim 2, characterized in that: The sliding table (205) is slidably connected to the lifting plate (204).

6. A rope lifting device for use in the calibration of an explosion-proof speed limiter according to claim 2, characterised in that: A knob (209) is installed on the upper end surface of the threaded rod (208).

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