Winding variable-pitch type electric cage curtain door

Abstract

The utility model discloses a winding variable-pitch type electric cage curtain door which comprises a guide structure, an equally-divided variable-pitch door curtain, a winding lifting structure and a hoisting rope. The guide structure comprises a frame and a guide part installed on the top face of the frame, and the frame is installed at the cage entrance and exit position. The equal-division variable-pitch door curtain is installed in the frame in a sliding mode, and opening and closing of an inlet and an outlet of the cage are achieved through the folding function of the equal-division variable-pitch door curtain. The winding lifting structure is installed on the top face of the frame and has the forward and reverse rotation function. One end of the hoisting rope is connected to the winding lifting structure, the other end of the hoisting rope is connected with the equally-divided variable-pitch door curtain after turning is completed through the guide component, the hoisting rope is driven to move through forward rotation or reverse rotation of the winding lifting structure, and retracting or unfolding of the equally-divided variable-pitch door curtain is achieved. The utility model has the advantages of simple structure, strong applicability, safety and reliability. Electric control is achieved, manual assistance is not needed, and labor intensity can be greatly relieved. And the door curtain can be opened to any required position according to actual requirements.

Description

Technical Field

[0001] The utility model belongs to the field of mining equipment, in particular to a winding variable-pitch electric tank curtain door. Background Art

[0002] In my country's mine shaft hoisting system, cages are widely used to lift personnel and goods. According to the coal mine safety regulations: the entrance and exit of the cage must be equipped with a cage door or a cage curtain, and the height must not be less than 1.2m. The distance from the lower edge of the cage door or the cage curtain to the bottom of the tank must not exceed 250mm, and the spacing of the cage curtain crossbars must not be greater than 200mm. The cage door must not open outwards, and the door shaft must be prevented from falling off.

[0003] At present, most mines still use the old hanging door curtain, that is, multiple steel pipes or round steels at equal distances are fixed together by chains to form a door curtain. When in use, workers lift and fix the door curtain to enable personnel and mine cars to enter and exit, and then put the door curtain down when closing. However, due to the influence of on-site working conditions and the defects of the door curtain itself, the door curtain often cannot play a normal role, and it is easy to tilt and get stuck. There are safety hazards and affect the lifting time, and the labor intensity of workers is high. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a winding variable pitch electric tank curtain door, which is installed at the inlet and outlet of the tank cage. When in use, the equally divided variable pitch door curtain is operated to be retracted or unfolded through the mutual action of the winding lifting mechanism and the guide mechanism, so as to achieve the purpose of opening and closing the inlet and outlet of the tank cage.

[0005] The utility model is implemented according to the following technical solutions:

[0006] A winding variable pitch electric tank curtain door, comprising:

[0007] A guide structure, comprising a frame and a guide component installed on the top surface of the frame, wherein the frame is installed at the inlet and outlet of the cage;

[0008] The equally divided variable pitch door curtain is slidably mounted in the frame and realizes the opening and closing of the cage inlet and outlet through its own folding function;

[0009] The winding lifting structure is installed on the top surface of the frame and has forward and reverse functions;

[0010] A hoisting rope, one end of which is connected to the winding lifting structure, and the other end of which is connected to the equally divided variable-pitch door curtain after changing direction through the guide component. The hoisting rope is driven to move by forward or reverse rotation of the winding lifting structure to achieve the retraction or unfolding of the equally divided variable-pitch door curtain.

[0011] In some embodiments, the frame is composed of a pair of slides opposed to each other and connecting beams located on the two slides; the cross-section of the slide is a C-shaped surface, and the C-shaped grooves of the two slides are arranged relatively to each other, and the two ends of the equally divided variable distance door curtain are respectively inserted into the corresponding slides; a limit block is installed near the middle of the slide to limit the uppermost cross bar of the equally divided variable distance door curtain.

[0012] In some embodiments, there are two guide components, which are symmetrically arranged on both sides of the top surface of the frame; the guide component includes a pair of bearing seats opposite to each other, and a guide wheel is rotatably supported between the two bearing seats, and the two lifting ropes are respectively passed around the corresponding guide wheels and connected to the equally divided variable distance door curtain.

[0013] In some embodiments, the winding lifting structure includes:

[0014] A crossbeam fixed on the top surface of the frame and located at the rear side of the guide component;

[0015] A winch is installed on the crossbeam, and the hoisting rope is wound around the winch. The hoisting rope is retracted or extended by the forward or reverse rotation of the winch.

[0016] In some embodiments, the winch comprises:

[0017] A motor reducer is fixed at the middle of the beam;

[0018] A drive shaft passes through the motor reducer and is driven to rotate by the motor reducer;

[0019] Two fence rollers are respectively installed at two ends of the driving shaft and rotate along with the driving shaft. A lifting rope is wound around each fence roller.

[0020] In some embodiments, the equally divided variable distance door curtain comprises:

[0021] A plurality of horizontal bars arranged vertically, wherein the uppermost horizontal bar is the longest;

[0022] Multiple scissor-type isotherms, at least one scissor-type isotherm is installed between two adjacent cross bars by fasteners, the lifting rope is connected to the lowest cross bar, and the lifting or releasing of the lifting rope drives the equally spaced variable pitch door curtain to achieve equally spaced variable pitch of the cross bar, thereby achieving retraction or unfolding of the door curtain.

[0023] In some embodiments, two scissor-type isometry devices are installed between each of two adjacent crossbars and are symmetrically arranged with respect to the center line of the frame.

[0024] In some embodiments, the scissor-type isotherm is composed of two flat plates with the same structure cross-hinged together, and the hinge points are located at the center point of each flat plate, and a long hole is respectively provided at both ends of the flat plate.

[0025] In some embodiments, the cross bar is made of a seamless rectangular tube, and a plurality of mounting holes are opened on the front and rear sides thereof for assembling the scissor-type isomerizer in cooperation with fasteners.

[0026] In some embodiments, the winding variable pitch electric tank curtain door is in a left-right symmetrical structure with respect to the center line of the frame.

[0027] Beneficial effects of the utility model:

[0028] When in use, the equally divided variable pitch door curtain is retracted or unfolded through the mutual action of the winding lifting mechanism and the guide mechanism, so as to achieve the purpose of opening and closing the cage inlet and outlet. The structure is simple, the applicability is strong, and it is safe and reliable. Electric control, without manual assistance, can greatly reduce labor intensity. The door curtain can be opened to any desired position according to actual needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0030] In the attached picture:

[0031] Figure 1 This is the front view of the winding variable pitch electric tank curtain door of the utility model;

[0032] Figure 2 It is a side view of the winding variable pitch electric tank curtain door of the utility model;

[0033] Figure 3 It is a schematic diagram of the winding lifting mechanism of the utility model;

[0034] Figure 4 It is a schematic diagram of the guide mechanism of the utility model;

[0035] Figure 5 This is a schematic diagram of an equally divided variable distance door curtain of the utility model;

[0036] Figure 6 It is a schematic diagram of a scissor-type isometry device of the utility model;

[0037] Figures: 1. Winding lifting mechanism; 2. Guide mechanism; 3. Equally divided variable pitch door curtain; 4. Hoisting rope; 10. Motor reducer; 11. Driving shaft; 12. Fence roller; 13. Crossbeam; 20. Slideway; 21. Connecting beam; 22. Bearing seat; 23. Guide wheel; 24. Limit block; 30. Crossbar; 31. Scissor-type isometry device; 32. Fastener.

[0038] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0040] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] like Figure 1 , Figure 2As shown, a winding variable pitch electric tank curtain door comprises a guide structure 2, an equally divided variable pitch door curtain 3, a winding lifting structure 1 and a lifting rope 4; the guide structure 2 comprises a frame and a guide component installed on the top surface of the frame, and the frame is installed at the tank cage inlet and outlet; the equally divided variable pitch door curtain 3 is slidably installed in the frame, and the tank cage inlet and outlet are opened and closed by its own folding function; the winding lifting structure 1 is installed on the top surface of the frame, and has a forward and reverse function; one end of the lifting rope 4 is connected to the winding lifting structure 1, and the other end is connected to the equally divided variable pitch door curtain 3 after changing direction through the guide component, and the lifting rope 4 is driven to move by the forward or reverse rotation of the winding lifting structure 1 to realize the retraction or unfolding of the equally divided variable pitch door curtain 3.

[0043] Preferred solution: Continue to refer to Figure 1 As shown, the winding variable pitch electric tank curtain door is a left-right symmetrical structure with respect to the center line of the frame.

[0044] The above-mentioned guide structure is further described below.

[0045] like Figure 4 As shown, the frame consists of a pair of slides 20 opposite to each other and a connecting beam 21 located on the two slides 20; the cross-section of the slide 20 is a C-shaped surface, and the C-shaped grooves of the two slides 20 are arranged relatively, and the two ends of the equally divided variable distance door curtain 3 are respectively inserted into the corresponding slides 20; a limit block 24 is installed near the middle of the slide 20 to limit the uppermost cross bar of the equally divided variable distance door curtain 3.

[0046] Further solutions: continue to refer to Figure 4 As shown, there are two guide components, which are symmetrically arranged on both sides of the top surface of the frame; the guide components include a pair of bearing seats 22 opposite to each other, and a guide wheel 23 is rotatably supported between the two bearing seats 22, and the two lifting ropes 4 are respectively passed around the corresponding guide wheels 23 and connected to the equally divided variable distance door curtain 3.

[0047] The above winding and lifting structure is further described below.

[0048] like Figure 3 As shown, the winding lifting structure 1 includes a crossbeam 13 and a winch; the crossbeam 13 is fixed on the top surface of the frame and is located on the rear side of the guide component; the winch is installed on the crossbeam 13, and the lifting rope 4 is wound on the winch, and the lifting rope 4 is retracted or extended by the forward or reverse rotation of the winch.

[0049] Further solutions: continue to refer to Figure 3As shown, the winch includes a motor reducer 10, a drive shaft 11 and two fence rollers 12; the motor reducer 10 is fixed at the middle of the beam 13; the drive shaft 11 passes through the motor reducer 10, and the drive shaft 11 is driven to rotate by the motor reducer 10; the two fence rollers 12 are respectively installed at both ends of the drive shaft 11, and rotate with the drive shaft 11, and a lifting rope 4 is wound around each fence roller 12.

[0050] The above winding and lifting structure is further described below.

[0051] like Figure 5 As shown, the equally divided variable-distance door curtain 3 includes a plurality of vertically arranged horizontal bars 30 and a plurality of scissor-type isotherms 31; the uppermost horizontal bar among the plurality of horizontal bars 30 is the longest and is used in conjunction with the limit block 24; at least one scissor-type isotherm 31 is installed between two adjacent horizontal bars 30 via a fastener 32, and a hoisting rope 4 is connected to the lowermost horizontal bar. The equally divided variable-distance door curtain 3 is driven by lifting or releasing the hoisting rope 4 to achieve equalized variable distance of the horizontal bars, thereby achieving retraction or unfolding of the door curtain.

[0052] Further solutions: continue to refer to Figure 5 As shown, two scissor-type isometry devices 31 are installed between each of two adjacent cross bars 30 and are arranged symmetrically with respect to the center line of the frame.

[0053] Further solutions: Figure 6 As shown, the scissor-type isostat 31 is composed of two flat plates with the same structure cross-hinged together, and the hinge points are located at the center point of each flat plate, and a long hole is respectively provided at both ends of the flat plate.

[0054] Further solutions: continue to refer to Figure 5 As shown, the cross bar 30 is made of a seamless rectangular tube, and a plurality of mounting holes are opened on the front and rear sides thereof for assembling the scissor-type isomerizer 31 in cooperation with the fasteners 32 .

[0055] In actual use, Figure 1 As shown, the winding lifting mechanism 1 is placed at the top and connected to the guide mechanism 2 by bolts. The guide mechanism 2 is arranged on both sides, one on each side. The equally divided variable pitch door curtain 3 is placed in the C-shaped groove of the guide mechanism 2. The lifting rope 4 is led out from the fence drum 12 in the winding lifting mechanism 1, passes through the equally divided variable pitch door curtain 3 and is connected to the lowest cross bar. When in use, the motor reducer 10 of the winding lifting mechanism 1 is powered on and rotated, the fence drum 12 is wound around the lifting rope 4, and the lifting rope 4 drives the lowest cross bar of the equally divided variable pitch door curtain 3, thereby pushing the equally divided variable pitch door curtain 3 upward in the guide mechanism 2, which can realize the opening of the door curtain. The reverse drive can drive the equally divided variable pitch door curtain 3 downward, thereby realizing the closing of the entire door curtain.

[0056] In summary, the utility model provides a winding variable pitch electric tank curtain door, which is composed of a winding lifting mechanism, a guide mechanism and an equally divided variable pitch door curtain. When in use, the equally divided variable pitch door curtain is operated to be retracted or unfolded through the mutual action of the winding lifting mechanism and the guide mechanism, so as to achieve the purpose of opening and closing the tank cage inlet and outlet. The structure is simple, the applicability is strong, and it is safe and reliable. Electric control does not require manual assistance, which can greatly reduce labor intensity. The door curtain can be opened to any desired position according to actual needs.

[0057] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0058] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0059] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A winding variable pitch electric tank curtain door, characterized in that: include: A guide structure, comprising a frame and a guide component mounted on the top surface of the frame, wherein the frame is mounted at the inlet and outlet of the cage; The equally divided variable pitch door curtain is slidably mounted in the frame and realizes the opening and closing of the cage inlet and outlet through its own folding function; The winding lifting structure is installed on the top surface of the frame and has forward and reverse functions; A hoisting rope, one end of which is connected to the winding lifting structure, and the other end of which is connected to the equally divided variable-pitch door curtain after changing direction through the guide component. The hoisting rope is driven to move by forward or reverse rotation of the winding lifting structure to achieve the retraction or unfolding of the equally divided variable-pitch door curtain.

2. The winding variable pitch electric tank curtain door according to claim 1 is characterized in that: The frame is composed of a pair of slideways facing each other and a connecting beam located on the two slideways; The cross section of the slideway is a C-shaped surface, and the C-shaped grooves of the two slideways are arranged opposite to each other, and the two ends of the equally divided variable-distance door curtain are respectively inserted into the corresponding slideways; A limiting block is installed near the middle of the slideway to limit the uppermost cross bar of the equally divided variable-distance door curtain.

3. The winding variable pitch electric tank curtain door according to claim 1 is characterized in that: The number of the guide components is two, and the two guide components are symmetrically arranged on both sides of the top surface of the frame; The guide component comprises a pair of bearing seats facing each other, a guide wheel is rotatably supported between the two bearing seats, and two hoisting ropes are connected with the equally divided variable-distance door curtain after passing through the corresponding guide wheels respectively.

4. The winding variable pitch electric tank curtain door according to claim 1 is characterized in that: The winding lifting structure comprises: A crossbeam fixed on the top surface of the frame and located at the rear side of the guide component; A winch is installed on the crossbeam, and the hoisting rope is wound around the winch. The hoisting rope is retracted or extended by the forward or reverse rotation of the winch.

5. The winding variable pitch electric tank curtain door according to claim 4 is characterized in that: The hoist comprises: A motor reducer is fixed at the middle of the beam; A drive shaft passes through the motor reducer and is driven to rotate by the motor reducer; Two fence rollers are respectively installed at two ends of the driving shaft and rotate along with the driving shaft. A lifting rope is wound around each fence roller.

6. The winding variable pitch electric tank curtain door according to claim 1, characterized in that: The equally divided variable distance door curtain comprises: A plurality of horizontal bars arranged vertically, wherein the uppermost horizontal bar is the longest; Multiple scissor-type isotherms, at least one scissor-type isotherm is installed between two adjacent cross bars by fasteners, the lifting rope is connected to the lowest cross bar, and the lifting or releasing of the lifting rope drives the equally spaced variable pitch door curtain to achieve equally spaced variable pitch of the cross bar, thereby achieving retraction or unfolding of the door curtain.

7. The winding variable pitch electric tank curtain door according to claim 6 is characterized in that: Two scissor-type isometry devices symmetrically arranged with respect to the center line of the frame are respectively installed between two adjacent crossbars.

8. The winding variable pitch electric tank curtain door according to claim 6 is characterized in that: The scissor-type isometry device is composed of two flat plates with the same structure cross-hinged together, and the hinge points are located at the center point of each flat plate. A long row of holes is respectively arranged at both ends of the flat plate.

9. The winding variable pitch electric tank curtain door according to claim 6, characterized in that: The cross bar is made of a seamless rectangular tube, and a plurality of mounting holes are provided on the front and rear sides thereof for assembling the scissor-type isostat in cooperation with fasteners.

10. The winding variable pitch electric tank curtain door according to claim 1, characterized in that: The winding variable pitch electric tank curtain door is in a left-right symmetrical structure with respect to the center line of the frame.

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