CN111776926A - A mine shaker replacement device and replacement method thereof - Google Patents

Abstract

The invention discloses a mine cradle replacement device, which comprises a set frame station column, a hauling device, a first wire rope, a hand hoist, a second wire rope, a cradle body and a flat car; the hauling device is arranged on the upper end of the casing frame station column; The device includes a slideway and a sports car, the terminal end of the slideway is fixedly connected with the upper end of the frame stand column; the sports car is arranged on the slideway and slides with the slideway in its length direction; the upper end of the first steel wire rope is fixedly connected to the sports car, the first The lower end of the wire rope is fixedly connected to the upper hook of the chain hoist; one end of the second wire rope is fixed to the lower hook of the chain hoist, and the other end of the second wire rope is fixed to the body of the cradle; the flat car is arranged below the starting end of the slideway. The invention also discloses a method for replacing a mine shaker. The invention uses the dragging device and the chain hoist together to replace the cradle, which saves manpower and time, greatly reduces the labor intensity of workers, and has a higher safety factor than the old cradle replacement method.

Description

A mine shaker replacement device and replacement method thereof

technical field

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

Background technique

The shaking table refers to a foldable cage receiving device that can be used at the wellhead, bottom and intermediate stages of the mine. When the cage arrives, the cradle falls, connects the wellhead and the cage, and the mine cart goes in and out of the cage along the track and folds it up. The shaker at the mine head is frequently raised and lowered during use, and it carries heavy objects such as hydraulic supports for a long time, which causes local deformation of the side shaker of the large tank and affects the normal lifting. In order to ensure the safe and smooth progress of the construction, the shaking table needs to be replaced.

Chinese patent CN103359594A discloses a tank lock cradle, which includes a vehicle entry side platform, a vehicle exit side platform, and a tank lock device installed on the first tank channel beam and the second tank channel beam. Chinese patent CN208120522U discloses a buffer lock tank shaker. The frame includes an upper platform and a lower frame that are fixed together. The lower frame is provided with a tank stabilization device and a tank support device. The tank stabilization device includes a tank stabilization device. The platform is connected to the platform, and the tank-stabilizing lap platform is seated on the lower frame. The problems of the above technology are as follows: when replacing the cradle, the method of lifting the cradle is usually adopted, which leads to high labor intensity of the employees, and because the cradle itself is large and heavy, it is safe to directly lift the cradle. risk.

SUMMARY OF THE INVENTION

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

The present invention realizes and solves the above-mentioned technical problems through the following technical means:

A mine rocking platform replacement device, comprising a frame stand column, a hauling device, a first wire rope, a hand hoist, a second wire rope, a rocking platform body and a flatbed truck;

The dragging device is arranged on the upper end of the frame stand column; the dragging device comprises a slideway and a sports car, and the terminal end of the slideway is fixedly connected with the upper end of the frame stand column; the sports car is arranged on the slideway and is slidingly fit with the slide in its length direction;

The upper end of the first wire rope is fixedly connected to the sports car, and the lower end of the first wire rope is fixedly connected to the upper hook of the chain hoist;

One end of the second wire rope is fixed with the lower hook of the chain hoist, and the other end of the second wire rope is fixed with the cradle body;

The flat cart is arranged below the starting end of the slideway.

Through the setting of the hauling device, the present invention first uses the chain hoist to lift the cradle body, and then uses the slideway and the sports car to haul the cradle body, which replaces the traditional direct lifting cradle replacement method, saves manpower and time, and greatly reduces the Compared with the traditional direct lifting and shaking table replacement method, the safety factor is higher.

Preferably, the hauling device further comprises a slideway support, the terminal end of the slideway support is fixedly connected with the upper end of the sleeve stand column; the bottom of the slideway support is fixedly connected with the top of the slideway.

Preferably, there are two slideways, and the tops of the two slideways are fixedly connected to two sides of the bottom of the slideway support by bolts.

Preferably, opposite sides of the two slideways are respectively provided with relatively symmetrical pulley grooves, and the pulley grooves are U-shaped groove structures with end-to-end penetration and U-shaped cross-section;

The wheels on both sides of the sports car are respectively sleeved in two pulley grooves, and the wheels of the sports car are slidingly matched with the pulley grooves in the length direction thereof.

Preferably, the diameter of the first wire rope is 18.5mm.

Preferably, the diameter of the second wire rope is 15.5mm.

Preferably, there are two second steel wire ropes, the two second steel wire ropes are centrally fixed on the lower hook of the chain hoist, and the ends of the two second steel wire ropes are respectively fixed diagonally to the The four corners of the shaker body.

Preferably, it also includes a traction rope, and one end of the traction rope is fixedly connected with the lower hook of the chain hoist.

Preferably, the traction rope is a brown rope structure.

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

The present invention realizes and solves the above-mentioned technical problems through the following technical means:

A method for replacing a mine shaker, comprising the following steps:

S1. First prepare the flatbed car, and place the flatbed car on the ground below the starting end of the slide;

S2. Start the sports car. The sports car drives the hand hoist and the second wire rope to run from the start end of the slideway to the end of the slideway through the first wire rope. At this time, the sports car is located above the rocking table body at the wellhead;

S3. Enter the bottom of the cradle body, first photograph the system unloading to drain the oil pressure in the hydraulic oil pipe of the cradle body; remove the two old oil pipes and the four track splints of the cradle body; Remove the sensing circuit and sensor, etc.;

S4. After the shaking table body is removed, the end of the second wire rope is fixedly connected to the shaking table body;

S5. Pull the chain of the chain hoist until the cradle body is pulled out above the inlet, and at the same time ensure that the height of the cradle body to the ground is greater than the height of the flatbed truck;

S6. Start the sports car again, the sports car drives the cradle body to run from the end of the slideway to the top of the flatbed car at the start end of the slideway, and then pull the chain of the chain hoist again to place the cradle body on the flatbed car to realize the old cradle. dismantling work;

S7. The new shaking table is installed on the second wire rope according to the same method, and then transported to the wellhead by the hauling device and the hand hoist to be installed in place, thereby realizing the replacement of the mine shaking table.

The advantages of the present invention are:

Through the setting of the hauling device, the present invention first uses the chain hoist to lift the cradle body, and then uses the slideway and the sports car to haul the cradle body, which replaces the traditional direct lifting cradle replacement method, saves manpower and time, and greatly reduces the Compared with the traditional direct lifting and shaking table replacement method, the safety factor is higher.

Description of drawings

Fig. 1 is the structural representation of a kind of mine shaking table replacement device of the present invention;

2 is a schematic side view of the structure of the dragging device according to the embodiment of the present invention;

3 is a schematic structural diagram of the initial state of the mine shaking platform replacement device according to the embodiment of the present invention;

Fig. 4 is the structural schematic diagram of the working state of the chain hoist according to the embodiment of the present invention;

5 is a schematic structural diagram of the working state of the tractor according to the embodiment of the present invention;

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

Description of reference numbers:

1. Set frame stand; 2. Towing device; 21. Slideway; 211. Pulley groove; 22. Sports car; 23. Slideway support; 3. First wire rope; 4. Chain hoist; ; 6. Shaker body; 7. Flatbed truck; 8. Traction rope.

Detailed ways

In order to make the purposes, 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 in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the present invention. examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

As shown in FIG. 1 , the present embodiment discloses a mine cradle replacement device, which includes a frame stand 1, a hauling device 2, a first wire rope 3, a hand hoist 4, a second wire rope 5, a cradle body 6 and Flatbed 7.

As shown in FIGS. 1 and 2 , and with reference to the orientation of FIG. 1 , the dragging device 2 includes a slideway 21 , a sports car 22 and a slideway support 23 ;

The left end of the slideway support 23 is welded and fixed with the upper right end of the sleeve stand column 1, and the existing bolt or screw connection can also be used for fixed connection;

Two slideways 21 are provided, and the tops of the two slideways 21 are fixedly connected with the two sides of the bottom of the slideway support 23 by bolts; the opposite sides of the two slideways 21 are respectively provided with relatively symmetrical pulley grooves 211. The pulley grooves 211 is a U-shaped groove structure with a U-shaped cross section that runs through the end and the end;

The sports car 22 in this embodiment is an existing power sports car. The wheels on both sides of the sports car 22 are respectively sleeved in two pulley grooves 211 , and the wheels of the sports car 22 are slidingly matched with the pulley grooves 211 in the length direction.

As shown in FIG. 1 , and with reference to the orientation of FIG. 1 , the upper end of the first wire rope 3 is tied to the bottom of the sports car 22 , and the lower end of the first wire rope 3 is tied to the upper hook of the chain hoist 4 .

As shown in FIG. 1 , and specifically referring to the orientation of FIG. 1 , the chain hoist 4 of the present embodiment is an explosion-proof chain hoist in the prior art. When it starts to rotate, the friction plate ratchet and the brake seat rotate together, and the five-tooth long shaft rotates the plate gear, the four-tooth short shaft and the spline hole gear. Therefore, the hoisting sprocket mounted on the spline hole gear drives the hoisting chain to stably lift the heavy object.

As shown in FIG. 1 , and with reference to the orientation of FIG. 1 , there are two second wire ropes 5 , and the two second wire ropes 5 are centered on the lower hook of the chain hoist 4 . The ends of the cradles are respectively fixed on the four corners of the cradle body 6 with pins.

As shown in FIG. 1 , and with reference to the orientation of FIG. 1 , the flatbed 7 is placed on the ground, and below the starting end of the slideway 21 of the flatbed 7 .

A method for replacing a mine shaker, comprising the following steps:

S1, first prepare the flatbed 7, and place the flatbed 7 on the ground below the starting end of the slideway 21;

S2. Start the sports car 22. The sports car 22 drives the chain hoist 4 and the second wire rope 5 to run from the starting end of the slideway 21 to the end of the slideway 21 through the first wire rope 3. At this time, the sports car 22 is located on the cradle body at the wellhead 6 above, as shown in Figure 3;

S3, enter the bottom of the cradle body 6, first photograph the system unloading to exhaust the oil pressure in the hydraulic oil pipe of the cradle body 6; and remove the two old oil pipes and the four track splints of the cradle body 6; at the same time , remove the sensing line and sensor, etc.;

S4. After the shaking table body 6 is removed, the end of the second wire rope 5 is fixedly connected with the shaking table body 6;

S5, pull the chain of the chain hoist 4 until the cradle body 6 is pulled out to the top of the inlet, while ensuring that the height of the cradle body 6 to the ground is greater than the height of the flatbed 7, as shown in Figure 4;

S6, start the sports car 22 again, the sports car 22 drives the cradle body 6 to run from the end of the slideway 21 to the top of the flatbed 7 at the starting end of the slideway 21, and then pulls the chain of the chain hoist 4 again to place the cradle body 6 On the flatbed truck 7, the disassembly work of the old cradle is realized, as shown in Figure 5;

S7. The new cradle is installed on the second wire rope 5 according to the same method, and then transported to the wellhead by the hauling device 2 and the hand hoist 4 to be installed in place, thereby realizing the replacement of the mine cradle.

Compared with the prior art, the present invention has the following advantages: the present invention, through the setting of the hauling device 2, first uses the hand chain hoist 4 to lift the cradle body 6, and then uses the slideway 21 and the sports car 22 to haul the cradle body 6, which replaces the traditional The direct lifting and shaking table replacement method saves manpower and time, greatly reduces the labor intensity of employees, and has a higher safety factor than the traditional direct lifting and shaking table replacement method.

Embodiment 2

The difference between this embodiment and the above-mentioned embodiment is: as shown in FIG. 6 , and taking the orientation of FIG. 6 as a reference, this embodiment also includes a traction rope 8 , and one end of the traction rope 8 is tied to the lower hook of the chain hoist 4 Above; the traction rope 8 of this embodiment is the brown rope structure of the prior art.

The sports car 22 in this embodiment is a push-pull vehicle in the prior art.

A method for replacing a mine shaker, comprising the following steps:

S1, first prepare the flatbed 7, and place the flatbed 7 on the ground below the starting end of the slideway 21;

S2. The staff pulls the traction rope 8 and moves toward the end of the slideway 21. The traction rope 8 drives the hand hoist 4, the second wire rope 5 and the first wire rope 3 to move to the end of the slideway 21 at the same time. The sports car 22 Under the action of traction force, it runs from the start end of the slideway 21 to the end end of the slideway 21 until the sports car 22 is located above the cradle body 6 at the wellhead;

S3, enter the bottom of the cradle body 6, first photograph the system unloading to exhaust the oil pressure in the hydraulic oil pipe of the cradle body 6; and remove the two old oil pipes and the four track splints of the cradle body 6; at the same time , remove the sensing line and sensor, etc.;

S4. After the shaking table body 6 is removed, the end of the second wire rope 5 is fixedly connected with the shaking table body 6;

S5, pull the chain of the chain hoist 4 until the cradle body 6 is pulled out to the top of the inlet, while ensuring that the height of the cradle body 6 to the ground is greater than the height of the flatbed 7;

S6, the staff pulls the traction rope 8 again to the start end of the slideway 21, and then pulls the sports car 22 to drive the cradle body 6 to run from the end end of the slideway 21 to the top of the flat car 7 at the start end of the slideway 21, and then pull it again The chain of the chain hoist 4 places the cradle body 6 on the flatbed truck 7 to realize the disassembly of the old cradle;

S7. The new cradle is installed on the second wire rope 5 according to the same method, and then transported to the wellhead by the hauling device 2 and the hand hoist 4 to be installed in place, thereby realizing the replacement of the mine cradle.

Embodiment 3

The difference between this embodiment and the above-mentioned embodiment is that the diameter of the first wire rope 3 in this embodiment is 18.5 mm.

Embodiment 4

The difference between this embodiment and the above-mentioned embodiment is that the diameter of the second wire rope 5 in this embodiment is 15.5 mm.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A mine rocking platform replacement device, characterized in that: comprising a set frame stand column, a hauling device, the first wire rope, a hand hoist, the second wire rope, a rocking platform body and a flatbed truck; The dragging device is arranged on the upper end of the frame stand column; the dragging device comprises a slideway and a sports car, and the terminal end of the slideway is fixedly connected with the upper end of the frame stand column; the sports car is arranged on the slideway and is slidingly fit with the slide in its length direction; The upper end of the first wire rope is fixedly connected to the sports car, and the lower end of the first wire rope is fixedly connected to the upper hook of the chain hoist; One end of the second wire rope is fixed with the lower hook of the chain hoist, and the other end of the second wire rope is fixed with the cradle body; The flat cart is arranged below the starting end of the slideway. 2 . The mine rocking platform replacement device according to claim 1 , wherein the hauling device further comprises a slideway support, and the terminal end of the slideway support is fixed to the upper end of the sleeve stand column. 3 . connection; the bottom of the slideway support is fixedly connected with the top of the slideway. 3. A mine shaking platform replacement device according to claim 2, characterized in that: the slideway is provided with two, and the top of the two slideways and the two sides of the bottom of the slideway support respectively pass through bolts Fixed connection. 4. A mine shaking platform replacement device according to claim 3, characterized in that: two opposite sides of the two slideways are respectively provided with relatively symmetrical pulley grooves, and the pulley grooves are connected end-to-end and have a cross-sectional shape. U-shaped U-shaped groove structure; The wheels on both sides of the sports car are respectively sleeved in two pulley grooves, and the wheels of the sports car are slidingly matched with the pulley grooves in the length direction thereof. 5 . The mine shaking platform replacement device according to claim 1 , wherein the diameter of the first wire rope is 18.5 mm. 6 . 6 . The mine rocking platform replacement device according to claim 1 , wherein the diameter of the second wire rope is 15.5 mm. 7 . 7 . The mine rocking platform replacement device according to claim 6 , wherein there are two second wire ropes, and the two second wire ropes are centrally fixed on the lower hook of the hand hoist, 8 . And the ends of the two second steel wire ropes are respectively fixed at the four corners of the cradle body diagonally. 8 . The mine cradle replacement device according to claim 7 , further comprising a traction rope, and one end of the traction rope is fixedly connected to the lower hook of the chain hoist. 9 . 9 . The mine cradle replacement device according to claim 8 , wherein the traction rope is a brown rope structure. 10 . 10. a mine shaker replacement method based on the mine shaker replacement device according to claim 1, is characterized in that, comprises the following steps: S1. First prepare the flatbed car, and place the flatbed car on the ground below the starting end of the slide; S2. Start the sports car. The sports car drives the hand hoist and the second wire rope to run from the start end of the slideway to the end of the slideway through the first wire rope. At this time, the sports car is located above the rocking table body at the wellhead; S3. Enter the bottom of the cradle body, first photograph the system unloading to drain the oil pressure in the hydraulic oil pipe of the cradle body; remove the two old oil pipes and the four track splints of the cradle body; Remove the sensing circuit and sensor, etc.; S4. After the shaking table body is removed, the end of the second wire rope is fixedly connected to the shaking table body; S5. Pull the chain of the chain hoist until the cradle body is pulled out above the inlet, and at the same time ensure that the height of the cradle body to the ground is greater than the height of the flatbed truck; S6. Start the sports car again, the sports car drives the cradle body to run from the end of the slideway to the top of the flatbed car at the start end of the slideway, and then pull the chain of the chain hoist again to place the cradle body on the flatbed car to realize the old cradle. dismantling work; S7. The new shaking table is installed on the second wire rope according to the same method, and then transported to the wellhead by the hauling device and the hand hoist to be installed in place, thereby realizing the replacement of the mine shaking table.

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