Automatic adjusting device for chain of mining elevator

Abstract

The utility model discloses an automatic adjusting device for a chain of a mining elevator, which belongs to the technical field of mining elevator equipment and comprises a rack, the rack comprises a fixing frame and an adjusting frame slidably mounted at one end of the fixing frame, a first electric telescopic rod is connected between the fixing frame and the adjusting frame, and a driving chain wheel is mounted on the fixing frame. The driven chain wheel is installed on the adjusting frame, locking mechanisms are arranged on the outer wall of the fixing frame and the outer wall of the adjusting frame, and a moving mechanism is installed at the bottom of the machine frame. Due to the arrangement of the fixing frame, the adjusting frame and the first electric telescopic rod, the driving chain wheel is installed on the fixing frame, and the driven chain wheel is installed on the adjusting frame, the tightness degree of the chain can be automatically adjusted through stretching and retracting of the first electric telescopic rod, and the adjusting frame is installed at one end of the fixing frame in a sliding mode. And the chain cannot protrude outwards, so that the risk that the chain falls off during operation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of mine hoist chain automatic regulating device, belong to mine hoist equipment technical field. BACKGROUND

[0002] Mine hoist mostly have the advantages of high lifting weight and convenient conveying, when long-term conveying relatively heavy goods, chain slackening phenomenon appears, the adjustment of chain is mostly manually adjusted by tool currently, the adjustment mode is very tedious, and it is not labor-saving, in the application number CN201921122950.6, a kind of mine hoist chain automatic regulating device is disclosed, including four support rods, the opposite side of the support rod of front and back two sides is fixedly installed with fixed plate, the front of two support rods is movably installed with the shaft penetrating support rod and fixed plate and extending to the rear side of the rear side of support rod, the outer side of the shaft is fixedly installed with the first gear between the front and rear two fixed plates, the front of right end support rod is fixedly installed with motor on the top, the output shaft of motor is fixedly connected with the right side of the shaft, the opposite side of two fixed plates and between two first gears is fixedly installed with positioning plate, the bottom left side of positioning plate is fixedly installed with slide rail. The mine hoist chain automatic regulating device, the structure reaches the effect of automatic tensioning, can avoid manual adjustment, can save time and energy, more conducive to user use.

[0003] But the device still has the following problems: the device sets chain adjusting mechanism below fixed plate, chain protrudes downward when using, which easily leads to chain falling off.

[0004] Therefore, the utility model provides a new solution. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to solve the above-mentioned device by setting chain adjusting mechanism below fixed plate, chain protrudes downward when using, which easily leads to chain falling off, and provide a kind of mine hoist chain automatic regulating device.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] The utility model provides a kind of automatic adjusting device of mine hoist chain, including rack, chain is installed on the rack, one end of the chain is connected with driving sprocket, the other end of the chain is connected with driven sprocket, the rack is installed with motor on one side and the driving sprocket is mutually connected, the rack includes fixed frame and adjusting frame slidingly installed in one end of the fixed frame, first electric telescopic rod is connected between the fixed frame and the adjusting frame, the driving sprocket is installed on the fixed frame, the driven sprocket is installed on the adjusting frame, locking mechanism is equipped on the outer wall of the fixed frame and the adjusting frame, mobile mechanism is installed in the bottom of the rack.

[0008] Preferably, the locking mechanism includes a first connecting plate fixedly connected to the outer walls of the front and rear of the fixed frame, and a second connecting plate fixedly connected to the outer walls of the front and rear of the adjusting frame, one side of the first connecting plate is fixedly connected with a screw rod penetrating through the second connecting plate.

[0009] Preferably, a through hole is formed in the second connecting plate, and a locking nut is connected to the outer wall of the screw rod.

[0010] Preferably, the fixed frame includes two parallelly arranged square tubes, and a first connecting rod is connected between the two square tubes.

[0011] Preferably, the adjusting frame includes two adjusting rods respectively inserted into the inner sides of the square tubes, a second connecting rod is connected between the two adjusting rods, and the first electric telescopic rod is installed between the first connecting rod and the second connecting rod.

[0012] Preferably, a through slot is formed between the front and rear walls of the square tube.

[0013] Preferably, the mobile mechanism includes a base frame, and universal wheels are installed on the bottom of the base frame.

[0014] Preferably, one end of the fixed frame is rotatably installed on the top of the base frame, and the other end of the fixed frame is rotatably installed with a telescopic assembly rotatably connected with the base frame.

[0015] Preferably, the telescopic assembly includes a rotating frame rotatably installed on the top of the base frame and a telescopic frame rotatably installed on the bottom of the fixed frame, and the telescopic frame and the rotating frame are slidingly connected.

[0016] Preferably, a second electric telescopic rod is connected between the telescopic frame and the rotating frame.

[0017] The utility model discloses a beneficial technical effect has: according to the automatic adjusting device of mine hoist chain of the utility model, through the setting of fixed frame, adjusting frame and first electric telescopic rod, driving sprocket is installed on the fixed frame, driven sprocket is installed on the adjusting frame, so the tightness of chain can be automatically adjusted through the telescopic of first electric telescopic rod, because adjusting frame is slidably installed on one end of fixed frame, so when adjusting chain, chain does not protrude outward, thereby reducing the risk of chain falling during operation, through the setting of locking mechanism, the position between fixed frame and adjusting frame can be locked after adjusting the tightness of chain, prevent first electric telescopic rod from causing chain to fall in the process of use and improve the stability of operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure side view for preferred embodiment provided according to the utility model;

[0019] Figure 2 It is whole structure side view for preferred embodiment provided according to the utility model;

[0020] Figure 3 It is whole structure side view for preferred embodiment provided according to the utility model;

[0021] Figure 4 It is rack structure schematic diagram for preferred embodiment provided according to the utility model;

[0022] Figure 5 It is fixed frame structure schematic diagram for preferred embodiment provided according to the utility model;

[0023] Figure 6 It is adjusting frame structure schematic diagram for preferred embodiment provided according to the utility model.

[0024] In the drawing: 1, rack;2, chain;3, driving sprocket;4, driven sprocket;5, motor;201, fixed frame;202, adjusting frame;6, first electric telescopic rod;203, first connecting plate;204, second connecting plate;205, screw;206, through -hole;207, locking nut;208, square tube;209, first connecting rod;210, adjusting rod;211, second connecting rod;212, through slot;7, base frame;8, universal wheel;9, telescopic assembly;10, rotary frame;11, telescopic frame;12, second electric telescopic rod. DETAILED DESCRIPTION

[0025] In order to make the technical scheme of the utility model more clear and definite for those skilled in the art, the utility model will be further described in detail below in conjunction with embodiments and drawings, but the embodiment of the utility model is not limited to this.

[0026] As Figures 1-6As shown, the mine hoist chain automatic adjusting device provided by the embodiment comprises a rack 1, a chain 2 is installed on the rack 1, one end of the chain 2 is connected with a driving sprocket 3, the other end of the chain 2 is connected with a driven sprocket 4, a motor 5 is installed on one side of the rack 1 and is connected with the driving sprocket 3, the rack 1 comprises a fixing frame 201 and an adjusting frame 202 which is slidingly installed on one end of the fixing frame 201, a first electric telescopic rod 6 is connected between the fixing frame 201 and the adjusting frame 202, the driving sprocket 3 is installed on the fixing frame 201, the driven sprocket 4 is installed on the adjusting frame 202, a locking mechanism is arranged on the outer wall of the fixing frame 201 and the adjusting frame 202, and a moving mechanism is installed on the bottom of the rack 1. Through the arrangement of the fixing frame 201, the adjusting frame 202 and the first electric telescopic rod 6, the driving sprocket 3 is installed on the fixing frame 201 and the driven sprocket 4 is installed on the adjusting frame 202, so that the tightness of the chain 2 can be automatically adjusted through the extension and contraction of the first electric telescopic rod 6. Since the adjusting frame 202 is slidingly installed on one end of the fixing frame 201, the chain 2 will not protrude outward when the chain is adjusted, thereby reducing the risk of chain 2 falling off during operation. Through the arrangement of the locking mechanism, the position between the fixing frame 201 and the adjusting frame 202 can be locked after the tightness of the chain 2 is adjusted, preventing the first electric telescopic rod 6 from malfunctioning during use and causing the chain 2 to fall off, thereby improving the stability of operation.

[0027] In the embodiment, as shown in Figure 4 、 Figure 5 and Figure 6 , the locking mechanism comprises a first connecting plate 203 fixedly connected to the outer walls on the front and back of the fixing frame 201, and a second connecting plate 204 fixedly connected to the outer walls on the front and back of the adjusting frame 202, one side of the first connecting plate 203 is fixedly connected with a screw rod 205 penetrating through the second connecting plate 204, a through hole 206 is formed on the second connecting plate 204, and a locking nut 207 is connected to the outer wall of the screw rod 205. After the tightness of the chain 2 is adjusted, the locking nut 207 is rotated to abut against the second connecting plate 204, preventing the first electric telescopic rod 6 from malfunctioning during use and causing the chain 2 to fall off, thereby improving the stability of operation.

[0028] In the embodiment, as shown in Figure 4 、 Figure 5 and Figure 6As shown, the fixing frame 201 includes two parallelly arranged square tubes 208, the first connecting rod 209 is connected between the two square tubes 208, the adjusting frame 202 includes two adjusting rods 210 respectively inserted in the inner side of the square tubes 208, the second connecting rod 211 is connected between the two adjusting rods 210, the first electric telescopic rod 6 is installed between the first connecting rod 209 and the second connecting rod 211, and the through slot 212 is formed between the front and rear walls of the square tube 208. By inserting the adjusting rod 210 in the inner side of the square tube 208, the stability of the rack 1 is better when adjusting the chain, and by the arrangement of the through slot 212, the movement of the adjusting rod 210 is prevented from being interfered.

[0029] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 , the moving mechanism includes the base frame 7, the universal wheel 8 is installed at the bottom of the base frame 7, one end of the fixing frame 201 is rotatably installed at the top of the base frame 7, the other end of the fixing frame 201 is rotatably installed with the telescopic assembly 9 which is rotatably connected with the base frame 7, the telescopic assembly 9 includes the rotating frame 10 rotatably installed at the top of the base frame 7 and the telescopic frame 11 rotatably installed at the bottom of the fixing frame 201, the telescopic frame 11 and the rotating frame 10 are slidably connected, and the second electric telescopic rod 12 is connected between the telescopic frame 11 and the rotating frame 10. By the arrangement of the universal wheel 8, the moving is facilitated, by the arrangement of the telescopic assembly 9, the telescopic is enabled, so that the inclination of the rack 1 is adjusted, and then the use in different scenes is adapted, and the locking mechanism can be lowered, so that the personnel operation is facilitated.

[0030] In the embodiment, as shown in Figures 1-6 , the working process of the mine hoist chain automatic adjusting device provided by the embodiment is as follows:

[0031] Step 1: when used, according to the condition of the chain 2, the first electric telescopic rod 6 is started to adjust;

[0032] Step 2: after the tightness of the chain 2 is adjusted, the locking nut 207 is rotated to abut against the second connecting plate 204;

[0033] Step 3: the rack 1 is lifted and lowered by the second electric telescopic rod 12.

[0034] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A kind of mine hoist chain automatic regulating device, including rack (1), chain (2) is installed on the rack (1), one end of the chain (2) is connected with driving sprocket (3), the other end of the chain (2) is connected with driven sprocket (4), the side of the rack (1) is installed with motor (5) being connected with the driving sprocket (3) each other, it is characterized by, The rack (1) comprises a fixed frame (201) and an adjusting frame (202) slidingly installed at one end of the fixed frame (201), a first electric telescopic rod (6) is connected between the fixed frame (201) and the adjusting frame (202), the driving sprocket (3) is installed on the fixed frame (201), the driven sprocket (4) is installed on the adjusting frame (202), locking mechanisms are arranged on the outer walls of the fixed frame (201) and the adjusting frame (202), and a moving mechanism is installed at the bottom of the rack (1).

2. The automatic adjusting device for mine hoist chain according to claim 1, characterized in that, The locking mechanisms comprise first connecting plates (203) fixedly connected to the outer walls of the front and rear of the fixed frame (201), and second connecting plates (204) fixedly connected to the outer walls of the front and rear of the adjusting frame (202), and one side of the first connecting plate (203) is fixedly connected with a screw rod (205) penetrating through the second connecting plate (204).

3. A mine hoist chain automatic adjustment device according to claim 2, characterized in that, A through hole (206) is formed in the second connecting plate (204), and a locking nut (207) is connected to the outer wall of the screw rod (205).

4. The automatic chain adjustment device for mine hoist according to claim 1, characterized in that, The fixed frame (201) comprises two parallel square tubes (208), and a first connecting rod (209) is connected between the two square tubes (208).

5. A mine hoist chain automatic adjustment device according to claim 4, characterized in that, The adjusting frame (202) comprises two adjusting rods (210) respectively inserted into the inner sides of the square tubes (208), a second connecting rod (211) is connected between the two adjusting rods (210), and the first electric telescopic rod (6) is installed between the first connecting rod (209) and the second connecting rod (211).

6. A mine hoist chain automatic adjustment device according to claim 5, characterized in that, A through groove (212) is formed between the front and rear walls of the square tube (208).

7. The automatic chain adjustment device for mine hoist according to claim 1, characterized in that, The moving mechanism comprises a base frame (7), and universal wheels (8) are installed at the bottom of the base frame (7).

8. A mine hoist chain automatic adjustment device according to claim 7, characterized in that, One end of the fixed frame (201) is rotatably installed at the top of the base frame (7), and the other end of the fixed frame (201) is rotatably installed with a telescopic assembly (9) rotatably connected with the base frame (7).

9. A mine hoist chain automatic adjustment device according to claim 8, characterized in that, The telescopic assembly (9) comprises a rotating frame (10) rotatably installed at the top of the base frame (7) and a telescopic frame (11) rotatably installed at the bottom of the fixed frame (201), and the telescopic frame (11) and the rotating frame (10) are slidingly connected.

10. A mine hoist chain automatic adjustment device according to claim 9, characterized in that, A second electric telescopic rod (12) is connected between the telescopic frame (11) and the rotating frame (10).

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