阅读说明：本技术 一种矿井摇台更换装置及其更换方法 (Mine cradle replacing device and replacing method thereof ) 是由 陈记刚 李海一 柏乐 张欢 周红军 于 2020-08-06 设计创作，主要内容包括：本发明公开了一种矿井摇台更换装置,包括套架站柱、拖拉装置、第一钢丝绳、手拉葫芦、第二钢丝绳、摇台本体和平板车；拖拉装置设置在套架站柱上端；拖拉装置包括滑道和跑车,滑道的终止端与套架站柱上端固定连接；跑车设置在滑道上并与滑道在其长度方向上滑动配合；第一钢丝绳上端固定连接在跑车上,第一钢丝绳下端固定连接在手拉葫芦的上吊钩上；第二钢丝绳一端与手拉葫芦的下吊钩固定,第二钢丝绳另一端与摇台本体固定；平板车设置滑道的起始端下方。本发明还公开一种矿井摇台更换方法。本发明将拖拉装置和手拉葫芦配合使用更换摇台,节约了人力及时间,大大降低了职工的劳动强度,相比旧的更换摇台方法安全系数高。(The invention discloses a mine shaking table replacing device which comprises a sleeve frame standing column, a dragging device, a first steel wire rope, a chain block, a second steel wire rope, a shaking table body and a flat car, wherein the sleeve frame standing column is fixedly connected with the dragging device; the dragging device is arranged at the upper end of the sleeve frame standing post; the dragging device comprises a slideway and a sports car, and the end of the slideway is fixedly connected with the upper end of the sleeve frame standing post; the sports car is arranged on the slideway and is in sliding fit with the slideway in the length direction of the slideway; the upper end of the first steel wire rope is fixedly connected to the sports car, and the lower end of the first steel wire rope is fixedly connected to an upper lifting hook of the chain block; one end of a second steel wire rope is fixed with a lower lifting hook of the chain block, and the other end of the second steel wire rope is fixed with the cradle body; the flat car is arranged below the starting end of the slide way. The invention also discloses a mine cradle replacing method. The invention uses the dragging device and the chain block in a matching way to replace the cradle, thereby saving manpower and time, greatly reducing the labor intensity of workers and having higher safety coefficient compared with the old cradle replacing method.)

1. The utility model provides a mine cage chair changes device which characterized in that: comprises a frame standing column, a dragging device, a first steel wire rope, a chain block, a second steel wire rope, a cradle body and a flat car;

the dragging device is arranged at the upper end of the sleeve frame standing column; the dragging device comprises a slideway and a sports car, and the end of the slideway is fixedly connected with the upper end of the sleeve frame standing post; the sports car is arranged on the slideway and is in sliding fit with the slideway in the length direction of the slideway;

the upper end of the first steel wire rope is fixedly connected to the sports car, and the lower end of the first steel wire rope is fixedly connected to an upper lifting hook of the chain block;

one end of the second steel wire rope is fixed with a lower lifting hook of the chain block, and the other end of the second steel wire rope is fixed with the cradle body;

the flat car is arranged below the starting end of the slide way.

2. The mine cradle changing device of claim 1, wherein: the dragging device further comprises a slide way support, and the terminating end of the slide way support is fixedly connected with the upper end of the sleeve frame standing post; the bottom of the slideway support is fixedly connected with the top of the slideway.

3. The mine cradle changing device of claim 2, wherein: the slide is provided with two, two the slide top with respectively slide support bottom both sides pass through bolt fixed connection.

4. The mine cradle changing device of claim 3, wherein: symmetrical pulley grooves are respectively formed in the opposite sides of the two slideways, and the pulley grooves are of a U-shaped groove structure which is through from head to tail and has a U-shaped section;

the wheels on two sides of the sports car are respectively sleeved in the two pulley grooves, and the wheels of the sports car are in sliding fit with the pulley grooves in the length direction of the pulley grooves.

5. The mine cradle changing device of claim 1, wherein: the diameter of the first steel wire rope is 18.5 mm.

6. The mine cradle changing device of claim 1, wherein: the diameter of the second steel wire rope is 15.5 mm.

7. The mine cradle changing device of claim 6, wherein: the two second steel wire ropes are fixed on the lower lifting hook of the chain block in the middle, and the end parts of the two second steel wire ropes are fixed at four corners of the cradle body in opposite angles respectively.

8. The mine cradle changing device of claim 7, wherein: the chain block is characterized by further comprising a traction rope, wherein one end of the traction rope is fixedly connected with a lower lifting hook of the chain block.

9. The mine cradle exchange device of claim 8, wherein: the hauling rope is of a palm rope structure.

10. A mine cradle replacing method based on the mine cradle replacing device according to claim 1, characterized by comprising the steps of:

s1, preparing the flat car and placing the flat car on the ground below the starting end of the slide way;

s2, starting the sports car, wherein the sports car drives the chain block and the second steel wire rope to move from the starting end of the slide way to the ending end of the slide way through the first steel wire rope, and the sports car is located above the cradle body of the wellhead;

s3, entering the bottom of the cradle body, unloading the clapper system to drain the oil pressure in a hydraulic oil pipe of the cradle body; two old oil pipes and four track way clamping plates of the cradle body are dismantled; meanwhile, the sensing circuit, the sensor and the like are dismantled;

s4, after the cradle body is detached, fixedly connecting the end part of the second steel wire rope with the cradle body;

s5, pulling a chain of the chain block until the cradle body is pulled out to the upper part of the inlet, and simultaneously ensuring that the height from the cradle body to the ground is greater than that of the flat car;

s6, starting the running trolley again, driving the cradle body to run from the ending end of the slide way to the position above the flat car at the starting end of the slide way by the running trolley, and then pulling the chain of the chain block again to place the cradle body on the flat car to realize the dismounting work of the old cradle;

and S7, installing the new cradle on a second steel wire rope according to the same method, and conveying the new cradle into a wellhead through a dragging device and a chain block to be installed in place, thereby realizing the replacement of the mine cradle.

Technical Field

The invention relates to the technical field of coal mines, in particular to a mine cradle replacing device and a replacing method thereof.

Background

The cradle refers to a foldable cage bearing device applicable to a mine wellhead, a mine shaft bottom and a middle stage. When the cage arrives, the cradle falls down and links the well mouth and the cage, and the mine car folds the cage after entering and exiting the cage along the track. When the mine port shaking table is used, the mine port shaking table frequently goes up and down, and carries heavy objects such as a hydraulic support and the like for a long time, so that the local deformation of the large tank car-out side shaking table is caused, and the normal lifting is influenced. In order to ensure the construction to be carried out safely and smoothly, the cradle needs to be replaced.

Chinese patent CN103359594A discloses a tank locking cradle, which comprises a vehicle entering side platform, a vehicle exiting side platform and a tank locking device installed on a first cage guide beam and a second cage guide beam. Chinese patent CN208120522U discloses a buffering tank locking cradle, the frame includes fixed upper portion platform and lower part frame together, be equipped with on the frame of lower part and stabilize a jar device and hold in the palm a jar device, stabilize a jar device and include steady jar overlap joint platform, steady jar overlap joint platform is sat and is established on the frame of lower part. The problems with the above technique are as follows: what usually adopt when changing the cage chair is the mode of lifting by crane the cage chair and changing, lead to staff intensity of labour big like this, and because the cage chair itself is bulky, weight is big, directly lifts by crane the cage chair, has certain safety risk.

Disclosure of Invention

The technical problem to be solved by the invention is how to realize and solve the problems of high labor intensity and low safety of workers caused by the traditional method for replacing the direct lifting cradle.

The invention solves the technical problems through the following technical means:

a mine shaking table replacing device comprises a sleeve frame standing column, a dragging device, a first steel wire rope, a chain block, a second steel wire rope, a shaking table body and a flat car;

the dragging device is arranged at the upper end of the sleeve frame standing column; the dragging device comprises a slideway and a sports car, and the end of the slideway is fixedly connected with the upper end of the sleeve frame standing post; the sports car is arranged on the slideway and is in sliding fit with the slideway in the length direction of the slideway;

the upper end of the first steel wire rope is fixedly connected to the sports car, and the lower end of the first steel wire rope is fixedly connected to an upper lifting hook of the chain block;

one end of the second steel wire rope is fixed with a lower lifting hook of the chain block, and the other end of the second steel wire rope is fixed with the cradle body;

the flat car is arranged below the starting end of the slide way.

According to the invention, through the arrangement of the dragging device, the cradle body is hoisted by the chain block, and then the cradle body is dragged by the slide way and the sports car, so that the traditional direct hoisting cradle replacement mode is replaced, the manpower and the time are saved, the labor intensity of workers is greatly reduced, and the safety coefficient is higher compared with the traditional direct hoisting cradle replacement mode.

Preferably, the dragging device further comprises a slideway support, and the terminating end of the slideway support is fixedly connected with the upper end of the sleeve frame standing column; the bottom of the slideway support is fixedly connected with the top of the slideway.

Preferably, the number of the slide ways is two, and the tops of the two slide ways are fixedly connected with the two sides of the bottom of the slide way support through bolts.

Preferably, symmetrical pulley grooves are respectively formed in the opposite sides of the two slideways, and the pulley grooves are of a U-shaped groove structure which is through from head to tail and has a U-shaped section;

the wheels on two sides of the sports car are respectively sleeved in the two pulley grooves, and the wheels of the sports car are in sliding fit with the pulley grooves in the length direction of the pulley grooves.

Preferably, the first steel cord has a diameter of 18.5 mm.

Preferably, the diameter of the second steel cord is 15.5 mm.

Preferably, the number of the second steel wire ropes is two, the two second steel wire ropes are fixed on the lower lifting hook of the chain block in the middle, and the end portions of the two second steel wire ropes are fixed at four corners of the cradle body in opposite angles respectively.

Preferably, the chain block further comprises a traction rope, and one end of the traction rope is fixedly connected with the lower lifting hook of the chain block.

Preferably, the hauling cable is of a palm rope structure.

The second technical problem to be solved by the present invention is to provide a method for replacing a mine cradle.

The invention solves the technical problems through the following technical means:

a mine cradle replacing method comprises the following steps:

s1, preparing the flat car and placing the flat car on the ground below the starting end of the slide way;

s2, starting the sports car, wherein the sports car drives the chain block and the second steel wire rope to move from the starting end of the slide way to the ending end of the slide way through the first steel wire rope, and the sports car is located above the cradle body of the wellhead;

s3, entering the bottom of the cradle body, unloading the clapper system to drain the oil pressure in a hydraulic oil pipe of the cradle body; two old oil pipes and four track way clamping plates of the cradle body are dismantled; meanwhile, the sensing circuit, the sensor and the like are dismantled;

s4, after the cradle body is detached, fixedly connecting the end part of the second steel wire rope with the cradle body;

s5, pulling a chain of the chain block until the cradle body is pulled out to the upper part of the inlet, and simultaneously ensuring that the height from the cradle body to the ground is greater than that of the flat car;

s6, starting the running trolley again, driving the cradle body to run from the ending end of the slide way to the position above the flat car at the starting end of the slide way by the running trolley, and then pulling the chain of the chain block again to place the cradle body on the flat car to realize the dismounting work of the old cradle;

and S7, installing the new cradle on a second steel wire rope according to the same method, and conveying the new cradle into a wellhead through a dragging device and a chain block to be installed in place, thereby realizing the replacement of the mine cradle.

The invention has the advantages that:

according to the invention, through the arrangement of the dragging device, the cradle body is hoisted by the chain block, and then the cradle body is dragged by the slide way and the sports car, so that the traditional direct hoisting cradle replacement mode is replaced, the manpower and the time are saved, the labor intensity of workers is greatly reduced, and the safety coefficient is higher compared with the traditional direct hoisting cradle replacement mode.

Drawings

FIG. 1 is a schematic structural view of a mine cradle exchange device of the present invention;

FIG. 2 is a side view schematic of a pulling device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an initial state of the mine cradle replacing device according to the embodiment of the invention;

FIG. 4 is a schematic structural diagram of a chain block in an operating state according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an operating condition of a towing apparatus according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a traction rope according to a second embodiment of the present invention.

The reference numbers illustrate:

1. sleeving a frame and standing a column; 2. a pulling device; 21. a slideway; 211. a pulley groove; 22. a sports car; 23. a slideway support; 3. a first wire rope; 4. a chain block; 5. a second wire rope; 6. a cradle body; 7. flatbed vehicle; 8. and (6) pulling the rope.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.