CN213475216U

CN213475216U - Safe type coal pulverizer overhauls overhead hoist

Info

Publication number: CN213475216U
Application number: CN202021984044.XU
Authority: CN
Inventors: 闫烨
Original assignee: Individual
Current assignee: Jinan Yonggu Heavy Machinery Manufacturing Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-06-18
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a safe type coal pulverizer overhauls overhead hoist belongs to coal pulverizer technical field, including hydraulic stem and fixed block, the upper end welding of hydraulic stem is provided with the fixed block, and the one end welding of hydraulic stem is provided with the euphroe, and the one end of euphroe is supporting to be provided with the take-up pulley. The utility model discloses when carrying out the handling coal pulverizer, earlier twine the coal pulverizer through the rope that sets up in hydraulic stem one side euphroe, at this moment, it is fixed with the rope through limit knot, make it can not rotate, through the take-up pulley that rotates the one end setting, even make the coal pulverizer rise, the euphroe also can be according to the height that the coal pulverizer rises and take-up pulley income when rotating the shrink, and when the coal pulverizer drops, can mutually support through take-up pulley and limit knot, can effectually make the stop action, thereby solved can not effectual coal pulverizer equipment and below personnel safety when the coal pulverizer drops, and do not possess the problem of buffering effect.

Description

Safe type coal pulverizer overhauls overhead hoist

Technical Field

The utility model belongs to the technical field of the coal pulverizer, specifically be a safe type coal pulverizer overhauls overhead hoist.

Background

The coal mill is crushed and the surface area is increased continuously in the coal grinding process, a new surface area is increased, the binding force among solid molecules needs to be overcome, and therefore energy is consumed, the coal is ground into coal powder in the coal mill, the coal powder is mainly ground in three modes, namely crushing, crushing and grinding, wherein the energy consumed in the crushing process is the least, the grinding process costs the most energy, various coal mills have the two or three modes in the grinding process, but the type of the coal mill is mainly determined according to the type of the coal mill, and when the coal mill suffers a problem, the coal mill can only be inspected and maintained through the most convenient and effective hoisting machine or other objects due to the large size of the coal mill;

the existing hoisting device lifts by crane the machine by utilizing the hoist, and in the actual use, the moving range of the hoist is limited, so that the hoisting device has certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the existing coal mill overhauling and lifting device structure cannot effectively generate multi-stage protection measures for workers below and a coal mill, and the problem of insufficient convenience and flexibility in use is solved, and the safety type coal mill overhauling and lifting device is provided.

The utility model adopts the technical scheme as follows: a safety type coal mill overhauling and lifting device comprises a hydraulic rod and a fixed block, wherein the fixed block is welded at the upper end of the hydraulic rod, a rope tightener is welded at one end of the hydraulic rod, a take-up pulley is arranged at one end of the rope tightener in a matched mode, a shaft tube is arranged at the shaft joint of one end of the take-up pulley in a matched mode, and a limited rope buckle is welded at one end of the shaft tube;

the inside opening part welding of fixed block is provided with the dead lever, bolt fixedly connected with I-steel is passed through to lower extreme one side of dead lever, the lower extreme nestification of I-steel is provided with the gyro wheel groove, the lower extreme welding of gyro wheel groove is provided with the stopper, the lower extreme welding of stopper is provided with the support column, bolt fixedly connected with motor is passed through to the upper end of support column, the lower extreme swing joint of support column has the removal frame, the lower extreme of removing the frame has the hoist block through wire rope swing joint, the supporting lifting hook that is provided with of lower extreme of hoist block.

Every two rope tighteners, the take-up pulley, the shaft tube and the rope limiting buckle form a group, and a plurality of groups are arranged on one side of the plurality of hydraulic rods respectively.

The inside of the moving frame is provided with a monorail travelling crane in a matching manner, the monorail travelling crane is movably connected with a hoisting block through a steel wire rope, and the moving frame is movably connected with openings at two ends of the supporting column.

Wherein, the both ends of gyro wheel groove are supporting to be provided with electronic pulley, and the electronic pulley at both ends agrees with each other with the both ends opening part of I-steel.

Wherein, the euphroe is located upper end one side of hydraulic stem, and synchronous motion between euphroe and the hydraulic stem.

The motor is electrically connected with the hydraulic rod, the electric pulleys arranged at the two ends of the roller groove in a matched mode, the monorail travelling crane arranged at the shaft joint inside the moving frame in a matched mode and the hoisting block through the control switch.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, when carrying out the handling coal pulverizer, utilize the gyro wheel groove that can move about and remove the frame, can adjust the width more nimble to whole coal pulverizer lift by crane, cooperate the dead lever of liftable for whole structure scope of action is great when using.

2. The utility model discloses in, through utilizing carrying out the secondary between euphroe and the coal pulverizer and being connected, this structure can be so that whole device forms a horizontal protecting net when using, has increased the safety protection to the coal pulverizer, increases to provide a safety guarantee to the staff in the coal pulverizer bottom, and during the in-service use, factor of safety is higher, and also more convenience when the operation.

Drawings

FIG. 1 is a schematic diagram of the overall side view structure of the present invention;

FIG. 2 is a schematic diagram of the I-shaped steel structure of the present invention;

fig. 3 is a schematic diagram of the structure of the middle rope tensioner of the present invention.

The labels in the figure are: 1. a hydraulic lever; 2. a fixed block; 3. a rope tensioner; 301. a take-up pulley; 302. an axle tube; 3021. A rope limiting buckle; 4. fixing the rod; 5. i-shaped steel; 501. a roller groove; 502. a limiting block; 503. a support pillar; 6. a motor; 7. a movable frame; 701. hoisting a hoist; 702. and (4) a lifting hook.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses in hydraulic stem 1, euphroe 3, gyro wheel groove 501, motor 6, hoist block 701 that mention all can order in market or private and obtain.

The utility model discloses in:

referring to fig. 1-3, the safety coal mill overhauling and hoisting device comprises a hydraulic rod 1 and a fixed block 2, wherein the fixed block 2 is welded at the upper end of the hydraulic rod 1, a rope tightener 3 is welded at one end of the hydraulic rod 1, a take-up pulley 301 is arranged at one end of the rope tightener 3 in a matched manner, an axle tube 302 is arranged at the axle joint of one end of the take-up pulley 301 in a matched manner, and a limited rope buckle 3021 is welded at one end of the axle tube 302;

the fixed block 2 is provided with a fixed rod 4 at the inner opening in a welding manner, an I-beam 5 is fixedly connected to one side of the lower end of the fixed rod 4 through a bolt, a roller groove 501 is nested at the lower end of the I-beam 5, a limiting block 502 is welded at the lower end of the roller groove 501, a supporting column 503 is welded at the lower end of the limiting block 502, a motor 6 is fixedly connected to the upper end of the supporting column 503 through a bolt, a moving frame 7 is movably connected to the lower end of the supporting column 503, a hoisting block 701 is movably connected to the lower end of the moving frame 7 through a steel wire.

Referring to fig. 1 and 3, further, every two rope tighteners 3 are in one group with take-up pulley 301 and central siphon 302 and limit rope and detain 3021, and total a plurality of groups set up respectively in one side of a plurality of hydraulic stem 1, when the coal pulverizer drops, can detain 3021 through take-up pulley 301 and limit rope and mutually support, can effectually make and stop the effect, thereby solved and can not effectual coal pulverizer equipment and below personnel safety when the coal pulverizer drops, and do not possess the problem of buffering effect.

Referring to fig. 1 and 2, further, a monorail travelling crane is arranged inside the movable frame 7 in a matching manner, an opening on one side of the surface of the monorail travelling crane is movably connected with a hoisting block 701 through a steel wire rope, the movable frame 7 is movably connected with openings on two ends of the supporting column 503, when the coal mill is wound by a rope inside the rope tightener 3, the monorail travelling crane arranged inside the movable frame 7 in a matching manner is connected with the hoisting block 701 through the steel wire rope to form a hoisting transportation device, a clamping groove arranged at the top of the upper end of the coal mill is hooked and clamped through a lifting hook 702, the monorail travelling crane arranged inside the movable frame 7 in a matching manner is electrically connected with the motor 6, the hoisting block 701 can drive the monorail travelling crane to move through the motor 6 in the process of hoisting the coal mill, thereby achieving the hoisting transportation effect simultaneously, and solving the problem that the existing coal mill overhauling hoisting device is not perfect in structure, the procedure is comparatively complicated when carrying out the handling, and needs the problem of extravagant great manpower and material resources.

Referring to fig. 1 and 2, further, electric pulleys are arranged at two ends of the roller groove 501 in a matched manner, and the electric pulleys at the two ends are matched with openings at two ends of the i-beam 5, when the coal pulverizer is lifted, the two electric pulleys arranged in the roller groove 501 move back and forth at the openings at two ends of the i-beam 5 through the electric connection between the motor 6 and the roller groove 501, so that the roller groove 501 is more stable in moving and is not easy to fall off.

Referring to fig. 1 and 3, further, a rope tensioner 3 is located at one side of the upper end of the hydraulic rod 1, and the rope tensioner 3 and the hydraulic rod 1 move synchronously.

Referring to fig. 1 and 2, further, the motor 6 and the hydraulic rod 1, the electric pulleys provided at the two ends of the roller groove 501 in a matching manner, the single-track traveling crane and the hoist block 701 provided at the internal coupling position of the movable frame 7 in a matching manner are electrically connected with an external power supply through a control switch, the motor 6 and the hydraulic rod 1, the electric pulleys provided at the two ends of the roller groove 501 in a matching manner, and the single-track traveling crane and the hoist block 701 provided at the internal coupling position of the movable frame 7 in a matching manner are electrically connected with the external power supply, so that the coal pulverizer can be effectively lifted and moved forwards and backwards.

The working principle is as follows: firstly, when carrying out the handling coal pulverizer, the joint groove department that sets up coal pulverizer upper end top through lifting hook 702 colludes the joint, electric connection between single track driving and the motor 6 through removing the inside supporting setting of frame 7, can make hoist block 701 drive single track driving through motor 6 at the in-process of handling coal pulverizer and remove, thereby reach the effect of lifting by crane the transportation simultaneously, the rethread sets up the rope in hydraulic stem 1 one side euphroe 3 and twines the coal pulverizer, at this moment, it is fixed with the rope through limit rope knot 3021, make it can not rotate, at this moment through the take-up pulley 301 that rotates one end and set up, taut the rope, and when the coal pulverizer takes place the accident and drops, can detain 3021 through take-up pulley 301 and limit rope and mutually support, can effectually carry out the system stop action.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a safe type coal pulverizer overhauls overhead hoist, includes hydraulic stem (1) and fixed block (2), the upper end welding of hydraulic stem (1) is provided with fixed block (2), its characterized in that: one end of the hydraulic rod (1) is welded with a rope tightener (3), one end of the rope tightener (3) is provided with a take-up pulley (301) in a matching way, one end of the take-up pulley (301) is provided with a shaft tube (302) in a matching way at a shaft joint, and one end of the shaft tube (302) is welded with a limited rope buckle (3021);

the inside opening part welding of fixed block (2) is provided with dead lever (4), bolt fixedly connected with I-steel (5) is passed through to lower extreme one side of dead lever (4), the lower extreme nestification of I-steel (5) is provided with gyro wheel groove (501), the lower extreme welding of gyro wheel groove (501) is provided with stopper (502), the lower extreme welding of stopper (502) is provided with support column (503), bolt fixedly connected with motor (6) are passed through to the upper end of support column (503), the lower extreme swing joint of support column (503) has removal frame (7), the lower extreme that removes frame (7) has hoisting block (701) through wire rope swing joint, the supporting lifting hook (702) that is provided with of lower extreme of hoisting block (701).

2. The safety type coal mill overhauling and lifting device as set forth in claim 1, is characterized in that: every two euphroes (3) and take-up pulley (301) and central siphon (302) and limit rope and detain (3021) and be a set of, and total a plurality of groups set up respectively in one side of a plurality of hydraulic stem (1).

3. The safety type coal mill overhauling and lifting device as set forth in claim 1, is characterized in that: the inside of removing frame (7) is supporting to be provided with the monorail that the monorail was driven, and the monorail has hoisting block (701) through wire rope swing joint, and removes both ends opening part that frame (7) and support column (503) and be swing joint.

4. The safety type coal mill overhauling and lifting device as set forth in claim 1, is characterized in that: electric pulleys are arranged at the two ends of the roller groove (501) in a matched mode, and the electric pulleys at the two ends are matched with openings at the two ends of the I-shaped steel (5).

5. The safety type coal mill overhauling and lifting device as set forth in claim 1, is characterized in that: the rope tightening device (3) is located on one side of the upper end of the hydraulic rod (1), and the rope tightening device (3) and the hydraulic rod (1) move synchronously.

6. The safety type coal mill overhauling and lifting device as set forth in claim 1, is characterized in that: the motor (6) is electrically connected with an external power supply through a control switch, the electric pulleys arranged at the two ends of the hydraulic rod (1) and the roller groove (501) in a matched manner, and the monorail travelling crane and the hoisting block (701) arranged at the inner shaft joint of the movable frame (7) in a matched manner.