CN210290623U

CN210290623U - Automatic chain adjusting device for mine hoister

Info

Publication number: CN210290623U
Application number: CN201921122950.6U
Authority: CN
Inventors: 徐雪飞
Original assignee: Anhui Chaohu Gongli Chain Co ltd
Current assignee: Anhui Chaohu Gongli Chain Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-10
Anticipated expiration: 2029-07-17

Abstract

The utility model relates to a mining lifting machine technical field just discloses a mining lifting machine chain automatic regulating apparatus, be four bracing piece, both sides around including quantity the equal fixed mounting in one side that the bracing piece is relative has a fixed plate, and the front side is two the equal movable mounting in front of bracing piece has the bracing piece of running through and the fixed plate just extends to the rear side the pivot of bracing piece rear side, the outside fixed mounting of pivot have two around being located first gear between the fixed plate, right-hand member front side the positive top fixed mounting of bracing piece has the motor, the output shaft and the right side of motor pivot fixed connection, two one side that the fixed plate is relative just is located two fixed mounting has the locating plate between the first gear, and the bottom left side fixed mounting of locating plate has the slide rail. This mining lifting machine chain automatic regulating apparatus, this structure have reached the effect of automatic tensioning, can avoid artifical the regulation, can save time and energy, more are favorable to the user to use.

Description

Automatic chain adjusting device for mine hoister

Technical Field

The utility model relates to a mining lifting machine technical field specifically is a mining lifting machine chain automatic regulating apparatus.

Background

The hoist is large-scale mechanical equipment for transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like, and is broadly speaking: elevators, overhead traveling cranes, winches, stable cranes, hoist hoists and the like can be called as hoists, the hoists generally refer to large mechanical equipment with high power and high hoisting capacity, flexible steel wire ropes and transported goods are dragged by power machinery to move up and down to finish the transportation process, the steel wire ropes are indispensable important parts of hoisting machinery, and the main varieties are phosphatized coated steel wire ropes, galvanized steel wire ropes, stainless steel wire ropes or smooth steel wire ropes and the like.

Present mining lifting machine all has the advantage that the hoisting weight is high and conveniently carry on in the existing market mostly, but present lifting machine mostly does not set up automatic regulating apparatus, when the lifting machine transports comparatively heavy goods for a long time, not hard up phenomenon can appear in the chain, adjust the most manual work of regulation to the chain at present and adjust with the instrument, this regulative mode is loaded down with trivial details very to it is laborsaving not to save trouble, so propose a mining lifting machine chain automatic regulating apparatus and solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a mining lifting machine chain automatic regulating apparatus possesses advantages such as automatically regulated, has solved that current lifting machine is most not all to set up automatic regulating apparatus, when the lifting machine transports comparatively heavy goods for a long time, not hard up phenomenon can appear in the chain, and the regulation to the chain is most all that the manual work is adjusted with the instrument at present, and this regulative mode is loaded down with trivial details very to do not save trouble laborsaving problem.

(II) technical scheme

In order to realize the purpose of the above automatic adjustment, the utility model provides a following technical scheme: an automatic chain adjusting device of a mining hoister comprises four supporting rods, fixed plates are fixedly mounted on the opposite sides of the supporting rods on the front side and the rear side, fixed shafts penetrating through the supporting rods and the fixed plates and extending to the rear side are movably mounted on the front sides of the two supporting rods on the front sides, first gears between the front fixed plates and the rear fixed plates are fixedly mounted on the outer sides of the rotary shafts, a motor is fixedly mounted at the top of the front side of the supporting rod on the front side of the right end, an output shaft of the motor is fixedly connected with the rotary shaft on the right side, a positioning plate is fixedly mounted between the two first gears on the opposite sides of the two fixed plates, a slide rail is fixedly mounted on the left side of the bottom of the positioning plate, a slide groove is formed in the right side of the slide rail, a pushing spring is fixedly mounted on, the groove of the sliding groove is movably provided with two sliding blocks which are in contact with the first rack plate and extend to the right side of the sliding rail, the right sides of the two sliding blocks are fixedly connected with the second rack plate, two limiting plates which are respectively extended to the right side of the second rack plate are fixedly arranged at the right side of the bottom of the positioning plate, rotating shafts which penetrate through and extend to the rear side of the limiting plate are movably arranged at the front sides of the limiting plates at the front sides, a motor which is fixedly connected with the rotating shaft above is fixedly arranged at the rear side of the limiting plate at the rear side, a second gear which is meshed with the second rack plate is fixedly arranged at the outer side of the rotating shaft and between the two limiting plates, the bottom of the second rack plate is fixedly provided with a U-shaped block, the inside of the U-shaped block is movably provided with a connecting shaft, the outer side of the connecting shaft is fixedly provided with a third gear, and the first gear and the third gear are connected through a chain in a transmission manner.

Preferably, the sliding groove and the sliding block are both T-shaped, and the width of the left side of the sliding groove and the width of the right side of the sliding block are both larger than that of the left side of the sliding groove.

Preferably, the left side of the sliding block is fixedly provided with a latch which is meshed with the first rack plate, the orientation of the right side toothed block of the first rack plate is downward, and the orientation of the latch is upward.

Preferably, the rear side of the limiting plate is fixedly provided with a bearing plate, the top of the bearing plate is fixedly provided with a motor, and an output shaft of the motor is fixedly connected with the rotating shaft.

Preferably, the length of the sliding groove is twice of the distance between the two sliding blocks, and the two second gears are respectively positioned at the upper side and the lower side of the sliding block below the sliding groove.

Preferably, the height of the two left supporting rods is equal, the height of the two right supporting rods is equal, and the height of the left supporting rod is greater than that of the right supporting rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a mining lifting machine chain automatic regulating apparatus possesses following beneficial effect:

the automatic chain adjusting device for the mining hoister is characterized in that the motor, the second gear and the second rack plate are arranged, when the chain needs to be tightened, the motor can be started, the second gear drives the second rack plate to move downwards, the gear block on the right side of the first rack plate is put down downwards, so that the first rack plate and the pushing spring can be extruded by the left latch of the slider when the slider moves downwards, the male third gear can be pushed to move downwards when the second rack plate moves downwards, the chain can be pushed to open downwards by the downward movement of the third gear, the chain can be adjusted at the moment, the chain is tensioned to avoid loosening, after the position of the third gear is adjusted, the motor stops working, the pushing spring pushes the first rack plate to be meshed with the left latch of the slider, and the direction of the latch on the left side of the slider is upward, so that the slider can not move upwards, the structure achieves the effect of automatic tensioning, can avoid manual adjustment, can save time and energy, and is more favorable for users to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the fixing plate and the positioning plate of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the device comprises a supporting rod 1, a fixing plate 2, a rotating shaft 3, a first gear 4, a chain 5, a motor 6, a positioning plate 7, a sliding rail 8, a sliding groove 9, a pushing spring 10, a first rack plate 11, a sliding block 12, a second rack plate 13, a limiting plate 14, a motor 15, a rotating shaft 16, a second gear 17, a U-shaped block 18, a connecting shaft 19 and a third gear 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an automatic chain adjusting device for a mining elevator comprises four support rods 1, wherein the two support rods 1 on the left side have the same height, the two support rods 1 on the right side have the same height, the support rod 1 on the left side has a height greater than that of the support rod 1 on the right side, a fixing plate 2 is fixedly mounted on one side of each of the two support rods 1 on the front and the rear sides, a rotating shaft 3 penetrating through the support rods 1 and the fixing plate 2 and extending to the rear side of the support rod 1 on the rear side is movably mounted on the front sides of the two support rods 1 on the front side, a first gear 4 positioned between the front and rear fixing plates 2 is fixedly mounted on the outer side of the rotating shaft 3, a motor 6 is fixedly mounted on the top of the front side of the front support rod 1 on the right side, the motor 6 can be of type YS7112, an output shaft of the motor, a slide rail 8 is fixedly installed on the left side of the bottom of the positioning plate 7, a slide groove 9 is formed in the right side of the slide rail 8, a push spring 10 is fixedly installed on the left side wall of the groove of the slide groove 9, a first rack plate 11 is fixedly installed on the right side of the push spring 10, two sliders 12 which are in contact with the first rack plate 11 and extend to the right side of the slide rail 8 are movably installed in the groove of the slide groove 9, the slide groove 9 and the sliders 12 are both T-shaped, the left side width of each of the slide groove 9 and the sliders 12 is larger than the right side width of each of the slide groove, snap teeth which are meshed with the first rack plate 11 are fixedly installed on the left side of the sliders 12, the direction of a tooth block on the right side of the first rack plate 11 is downward, the direction of the snap teeth is upward, the phenomenon that the second rack plate 13 moves upward is avoided, the right sides of the two sliders 12 are fixedly connected with the second, a rotating shaft 16 penetrating through and extending to the rear side of the rear limiting plate 14 is movably mounted at the front side of the front limiting plate 14, a motor 15 fixedly connected with the upper rotating shaft 16 is fixedly mounted at the rear side of the rear limiting plate 14, the model of the motor 15 is R-FFK10VAV-08130, a bearing plate is fixedly mounted at the rear side of the rear limiting plate 14, a motor 15 is fixedly mounted at the top of the bearing plate, an output shaft of the motor 15 is fixedly connected with the upper rotating shaft 16, a second gear 17 meshed with a second rack plate 11 is fixedly mounted at the outer side of the rotating shaft 16 and between the two limiting plates 14, the length of the sliding chute 9 is twice of the distance between the two sliders 12, the two second gears 17 are respectively positioned at the upper side and the lower side of the lower slider 12, a U-shaped block 18 is fixedly mounted at the bottom of the second rack plate 13, a connecting shaft 19 is movably mounted inside the U-shaped block 18, a third gear 20 is fixedly mounted at the outer side of the, the first gear 4 and the third gear 20 are in transmission connection through a chain 5.

In summary, according to the automatic chain adjusting device for the mining hoist, by arranging the motor 15, the second gear 17 and the second rack plate 13, when the chain 5 needs to be tightened, the motor 15 can be started to enable the second gear 17 to drive the second rack plate 13 to move downwards, and because the tooth block on the right side of the first rack plate 11 is laid down downwards, the first rack plate 11 and the pushing spring 10 are pressed by the latch on the left side of the slider 12 while the slider 12 moves downwards, when the second rack plate 13 moves downwards, the male third gear 20 is pushed to move downwards, the third gear 20 moves downwards to push the chain 5 to open downwards, at this time, the chain 5 can be adjusted, the chain 5 is tensioned, the loosening is avoided, after the position of the third gear 20 is adjusted, the motor 15 stops working, at this time, the pushing spring 10 pushes the first rack plate 11 to mesh with the latch on the left side of the slider 12, because of the direction of slider 12 left side latch is upwards, so can guarantee that slider 12 can not appear the phenomenon of shifting up, this structure has reached the effect of automatic tensioning, can avoid artifical the regulation, but save time and energy, more be favorable to the user to use, it mostly does not set up automatic regulating apparatus to have solved current lifting machine, when the lifting machine transports comparatively heavy goods for a long time, not hard up phenomenon can appear in chain 5, adjust the most manual work of regulation to chain 5 at present and adjust with the instrument, this adjustment mode is loaded down with trivial details very, and do not save trouble laborsaving problem.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mining lifting machine chain automatic regulating apparatus, is bracing piece (1) of four including quantity, its characterized in that: the front and back sides of the supporting rod (1) are fixedly provided with a fixed plate (2) at one opposite side, the front sides of the two supporting rods (1) are movably provided with a rotating shaft (3) penetrating through the supporting rod (1) and the fixed plate (2) and extending to the back side of the supporting rod (1) at the back side, the outer side of the rotating shaft (3) is fixedly provided with a front gear (4) and a back gear (4) between the two fixed plates (2), the front side of the right end of the supporting rod (1) is fixedly provided with a motor (6) at the front top, the output shaft of the motor (6) is fixedly connected with the right side of the rotating shaft (3), a positioning plate (7) is fixedly arranged between the two first gears (4) at one opposite side of the two fixed plates (2), a sliding rail (8) is fixedly arranged at the left side of the bottom of the positioning, the inslot left side wall fixed mounting of spout (9) has promotion spring (10), and the right side fixed mounting who promotes spring (10) has first rack plate (11), the inslot movable mounting of spout (9) has quantity be two and all contact with first rack plate (11) and extend to slider (12) on slide rail (8) right side, two the right side of slider (12) all with second rack plate (13) fixed connection, the bottom right side fixed mounting of locating plate (7) has quantity to be two and all extend to limiting plate (14) on second rack plate (13) right side, the front side movable mounting of limiting plate (14) has to run through and extend to the rear side axis of rotation (16), the rear side of limiting plate (14) the rear side fixed mounting of limiting plate (14) have with the top axis of rotation (16) fixed connection's motor (15), the outside of axis of rotation (16) just is located two fixed mounting has and second rack plate (14) between limiting plate (14) The chain-driven gear rack is characterized by comprising a second gear (17) meshed with the battens (13), a U-shaped block (18) is fixedly mounted at the bottom of the second battens (13), a connecting shaft (19) is movably mounted inside the U-shaped block (18), a third gear (20) is fixedly mounted on the outer side of the connecting shaft (19), and the first gear (4) and the third gear (20) are in transmission connection through a chain (5).

2. The automatic chain adjusting device for the mining hoist as claimed in claim 1, wherein: the sliding groove (9) and the sliding block (12) are both T-shaped, and the sliding groove (9) and the sliding block (12) are both larger than the right side in width at the left side.

3. The automatic chain adjusting device for the mining hoist as claimed in claim 1, wherein: the left side fixed mounting of slider (12) has the latch with first rack plate (11) meshing, and the orientation of first rack plate (11) right side tooth piece is for downwards, and the orientation of latch is for upwards.

4. The automatic chain adjusting device for the mining hoist as claimed in claim 1, wherein: rear side the rear side fixed mounting of limiting plate (14) has the board of accepting, and the top fixed mounting who accepts the board has motor (15), the output shaft and the top of motor (15) axis of rotation (16) fixed connection.

5. The automatic chain adjusting device for the mining hoist as claimed in claim 1, wherein: the length of the sliding groove (9) is twice of the distance between the two sliding blocks (12), and the two second gears (17) are respectively positioned at the upper side and the lower side of the sliding blocks (12) below.

6. The automatic chain adjusting device for the mining hoist as claimed in claim 1, wherein: the height of the two left supporting rods (1) is equal, the height of the two right supporting rods (1) is equal, and the height of the left supporting rod (1) is larger than that of the right supporting rod (1).