CN218698173U

CN218698173U - Safety bolt mechanism of upright post hoister

Info

Publication number: CN218698173U
Application number: CN202222876299.XU
Authority: CN
Inventors: 林志毅; 谢万泉; 张境阳; 洪坚彬
Original assignee: Yuanwei Xiamen Intelligent Equipment Co ltd
Current assignee: Yuanwei Xiamen Intelligent Equipment Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-24
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a stand lifting machine safety bolt mechanism, include: a column; the transmission chain wheel is meshed with a chain, and one end of the chain extends downwards to be connected with a conveying device; the pin disc is in linkage arrangement with the transmission chain wheel, and a plurality of pin holes arranged in an annular array are formed in the pin disc; the fixing seat is fixedly arranged at the top of the upright column and is adjacent to and parallel to the bolt disc, a plurality of limiting holes corresponding to the bolt holes are formed in the fixing seat, and the limiting holes are arc-shaped and are arranged in an annular array; the bolt piece can be inserted into the limiting hole and the bolt hole to limit the bolt disc, so that the transmission chain wheel is limited, and the conveying device is limited. The utility model provides a pair of stand lifting machine safety bolt mechanism can improve safety bolt mechanism's compatibility, maintains and overhauls for the staff and provides very big facility.

Description

Safety bolt mechanism of upright post hoister

Technical Field

The utility model relates to a safe bolt mechanism field specifically indicates a stand lifting machine safe bolt mechanism.

Background

The upright column hoister is one kind of engineering machinery, can realize vertical material conveying, is suitable for small factories and mines in residential buildings, warehouse in goods yard, shopping mall, restaurant and individual workshop, can move, lift and load and unload materials, and comprises upright columns, a driving motor, a lifting object stage, a balancing weight and other equipment.

In the use of stand lifting machine, need regularly to driving motor, equipment such as lift objective table is maintained and is overhauld, in order to protect the safety of staff and equipment, current stand lifting machine's safety bolt mechanism generally is for seting up the safety bolt hole on the stand, recycle the safety bolt hole that the bolt passed on the stand and fix balancing weight or lift objective table, prevent the equipment motion, for example, the name is a novel lifting machine, the application number is 201620206813.0's chinese patent application, it sets up a plurality of picture pegs that have the jack at the stand medial surface, set up the lift protection mechanism including being connected with the bolt on conveying mechanism, the jack is aimed at to the bolt under lift protection mechanism aims at the picture peg state, thereby fixed conveying mechanism, ensure safe transport. However, the mode of forming the holes on the stand column can influence the overall structural strength of the stand column, equipment can only be fixed at the designated position, if the equipment is suddenly stopped at a non-designated position due to a fault, the bolt and the jack cannot be matched with the fixed equipment, and great inconvenience is brought to the maintenance and the overhaul of the equipment.

The problem design a stand lifting machine safety bolt mechanism that exists to above-mentioned prior art is the utility model discloses the purpose of research.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides a stand lifting machine safety bolt mechanism can effectively solve the problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

a safety latch mechanism for a column elevator, comprising:

the top of the upright post is provided with a motor;

the transmission chain wheel is arranged at the top of the upright column and is in linkage arrangement with the output end of the motor, a chain is meshed with the transmission chain wheel, and one end of the chain extends downwards and is connected with a conveying device;

the pin disc is arranged on one side of the transmission chain wheel, which is far away from the motor, and is in linkage with the transmission chain wheel, and a plurality of pin holes which are arranged in an annular array are formed in the pin disc;

the fixing seat is fixedly arranged at the top of the upright column and is adjacent to and parallel to the bolt disc, a plurality of limiting holes corresponding to the bolt holes are formed in the fixing seat, and the limiting holes are arc-shaped and are arranged in an annular array;

the bolt piece can be inserted into the limiting hole and the bolt hole to limit the bolt disc, so that the transmission chain wheel is limited, and the conveying device is limited.

Furthermore, the distance between every two adjacent bolt holes is set to be 2cm-3cm, and each limiting hole corresponds to two bolt holes respectively.

Further, the one end of bolt spare is established to joint portion, and the other end is established to the installation department, the diameter of installation department is greater than the width in spacing hole, joint portion passes spacing hole card is located when the bolt is downthehole, the installation department exposes the fixing base is kept away from one side of bolt dish.

Further, a plurality of mounting holes have been seted up on the installation department, set up a plurality of screw holes that are the annular array setting on the fixing base, joint portion passes spacing hole card is located when the bolt is downthehole, the installation department with pass through between the fixing base mounting hole and screw hole carry out the spiro union fixed.

Furthermore, the outer wall of the clamping portion is provided with a clamping piece, a U-shaped first guide clamping groove is formed in the inner wall of the plug pin hole, a first guide end and a first clamping end are respectively formed at two ends of the first guide clamping groove, the first guide end is communicated to the outer side wall of the plug pin disc, and the clamping portion can be inserted into the plug pin hole and can be pulled out after rotating, so that the clamping piece is clamped to the first clamping end through the first guide end.

Furthermore, a clamping hole is formed in the center of the fixing seat, a U-shaped second guide clamping groove is formed in the inner wall of the clamping hole, a second guide end and a second clamping end are respectively formed at two ends of the second guide clamping groove, the second guide end is communicated to the outer side wall of the fixing seat, and the clamping portion can be inserted into the clamping hole and can be pulled out after rotating, so that the clamping piece is clamped to the second clamping end through the second guide end.

Further, a cross beam frame is arranged between the upright columns, and the motor is installed on the cross beam frame.

Furthermore, a first rotating shaft seat and a second rotating shaft seat are installed at the top of the upright post, and the motor and the plug pin disc are in linkage arrangement with the transmission chain wheel through the first rotating shaft seat and the second rotating shaft seat respectively.

Furthermore, the other end of the chain extends downwards to the inside of the upright post and is connected with a balancing weight, and the balancing weight and the conveying device respectively move reversely along the upright post.

Accordingly, the present invention provides the following effects and/or advantages:

the utility model provides a stand lifting machine safety bolt mechanism, include: a column; the transmission chain wheel is engaged with a chain, and one end of the chain extends downwards and is connected with a conveying device; the pin disc is in linkage arrangement with the transmission chain wheel, and a plurality of pin holes arranged in an annular array are formed in the pin disc; the fixing seat is provided with a plurality of limiting holes corresponding to the bolt holes, and the limiting holes are arc-shaped and are arranged in an annular array; a latch member. The setting of above-mentioned structure, it is downthehole to locate spacing hole and bolt through bolt spare insertion, to the spacing setting of bolt dish, thereby to the spacing setting of drive sprocket, and then to the spacing setting of conveyor, with current stand lifting machine generally carry out the spacing mode of bolt through seting up the safety bolt hole on the stand, it is spacing to carry out the bolt through fixing base and bolt dish for the replacement, can not influence the holistic structural strength of stand, the holistic stability of stand lifting machine has been improved, and a plurality of bolt holes and a plurality of spacing hole mutual correspondence, conveyor can carry out the bolt spacing in the optional position, if under the condition of equipment emergency stop because of the accident, bolt spare can anyhow carry out the bolt spacing through bolt hole and spacing hole, safety bolt mechanism's compatibility has been improved, for the staff is to the motor, equipment such as conveyor maintains and overhauls and provides very big facility.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic front view of the first embodiment of the present invention.

Fig. 4 is a schematic side view of the first embodiment of the present invention.

Fig. 5 is an exploded schematic view of the plug member, the fixing base, and the plug disk according to the first embodiment of the present invention.

Fig. 6 is a schematic perspective view of the plug member according to the second embodiment of the present invention.

Fig. 7 is an exploded schematic view of the latch member, the fixing base, and the latch plate according to the second embodiment of the present invention.

Fig. 8 is a partially enlarged schematic view of a portion B in fig. 7.

Fig. 9 is a partially enlarged schematic view at C in fig. 7.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

example one

Referring to fig. 1-5, a safety latch mechanism for a column elevator, comprising:

the device comprises an upright post 1, wherein a motor 2 is arranged at the top of the upright post 1;

the transmission chain wheel 3 is arranged at the top of the upright post 1 and is in linkage with the output end of the motor 2, a chain 31 is meshed on the transmission chain wheel 3, and one end of the chain 31 extends downwards to be connected with a conveying device 4;

the pin disc 6 is arranged on one side, away from the motor 2, of the transmission chain wheel 3 and is in linkage with the transmission chain wheel 3, and a plurality of pin holes 61 arranged in an annular array are formed in the pin disc 6;

the fixing seat 7 is fixedly arranged at the top of the upright post 1 and is adjacent to and parallel to the pin disc 6, a plurality of limiting holes 71 corresponding to the pin holes 61 are formed in the fixing seat 7, and the limiting holes 71 are arc-shaped and are arranged in an annular array; therefore, the compatibility of the matching of the limiting hole 71 and the plug pin hole 61 is improved, the compatibility of the plug pin piece 8 for limiting the plug pin disc 6 through the fixing seat 7 is further improved, and the situation that the limiting hole 71 cannot correspond to the plug pin hole 61, so that the plug pin piece 8 cannot limit the plug pin disc 6 through the fixing seat 7 is avoided;

the bolt piece 8 can be inserted into the limiting hole 71 and the bolt hole 61 and is arranged in a limiting mode on the bolt disc 6, so that the transmission chain wheel 3 is arranged in a limiting mode, and the conveying device 4 is arranged in a limiting mode.

According to the arrangement of the structure, the bolt piece 8 is inserted into the limiting hole 71 and the bolt hole 61, and the bolt disc 6 is limited, so that the transmission chain wheel 3 is limited, the conveying device 4 is limited, the conventional upright elevator is generally limited by arranging the safety bolt holes on the upright, the bolt is limited by the fixing seat 7 and the bolt disc 6, the integral structural strength of the upright 1 cannot be influenced, the integral stability of the upright elevator is improved, the bolt holes 61 correspond to the limiting holes 71, the conveying device 4 can limit the bolt at any position, if the equipment is suddenly stopped due to accidents, the bolt piece 8 can limit the bolt through the bolt hole 61 and the limiting hole 71, the compatibility of the safety bolt mechanism is improved, and great convenience is provided for maintenance and overhaul of the equipment such as the motor 2 and the conveying device 4.

Specifically, the distance between the adjacent pin holes 61 is set to 2cm to 3cm, and preferably, the distance between the adjacent pin holes 61 is set to 2.5cm. Therefore, under the condition that adjacent bolt holes 61 are communicated due to damage to the bolt disc 6 is avoided, the number of the bolt holes 61 is increased to the maximum extent, and the compatibility of bolt limiting of the bolt piece 8 is further improved. In other embodiments, the distance between adjacent pin holes 61 can be adjusted adaptively according to specific situations.

Specifically, each of the limiting holes 71 corresponds to two of the pin holes 61. Therefore, the arc length of the limiting hole 71 is limited within a certain range, when the clamping portion 81 penetrates through the limiting hole 71 and is clamped in the bolt hole 61, the bolt disc 6 rotates in the arc length range of the limiting hole 71 in a limiting mode, and therefore the transmission chain wheel 3 rotates in the arc length range of the limiting hole 71 in a limiting mode, and the conveying device 4 is further arranged in a limiting mode.

In order to facilitate the operation of staff the bolt piece 8, the one end of bolt piece 8 is established to joint portion 81, and the other end is established to installation department 82, the diameter of installation department 82 is greater than the width of spacing hole 71, joint portion 81 passes spacing hole 71 card is located when the bolt hole 61 is interior, installation department 82 exposes fixing base 7 keeps away from one side of bolt dish 6. Specifically, the clamping portion 81 and the plug hole 61 can be clamped by an existing connection method, such as plugging clamping, clamping groove clamping, and the like, which is not specifically limited herein.

In order to install and fix the bolt piece 8 and avoid falling off from the bolt hole 61 to cause bolt limiting failure, a plurality of mounting holes (821) are formed in the mounting portion (82), a plurality of threaded holes (73) arranged in an annular array are formed in the fixing seat (7), the clamping portion (81) penetrates through the limiting hole (71) to be clamped in the bolt hole (61), and the mounting portion (82) and the fixing seat (7) are fixed in a threaded mode through the mounting holes (821) and the threaded holes (73).

Further, a cross beam frame 11 is arranged between the upright posts 1, and the motor 2 is installed on the cross beam frame 11.

In order to improve the stability of linkage between motor 2, driving sprocket 3 and bolt dish 6, first pivot seat 12 and second pivot seat 13 are installed at the top of stand 1, motor 2 and bolt dish 6 respectively through first pivot seat 12 and second pivot seat 13 with driving sprocket 3 linkage sets up.

In order to assist the motor 2 to lift the conveying device 4, the other end of the chain 31 extends downwards to the inside of the upright 1 and is connected with a counterweight 5, and the counterweight 5 and the conveying device 4 respectively move in opposite directions along the upright 1. Specifically, balancing weight 5 is located the inside of stand 1 to make the whole succinct more of stand lifting machine, and avoid balancing weight 5 to receive the exogenic action to produce and rock, accelerate the loss of chain, lead to the fracture even.

Example two

Referring to fig. 6 to 9, a difference between the first embodiment and the second embodiment lies in that, in order to mount and fix the plug pin part 8 and prevent the plug pin part from falling off from the plug pin hole 61, which results in a limit failure of the plug pin, a clamping part 811 is disposed on an outer wall of the clamping part 81, a U-shaped first guide slot 611 is disposed on an inner wall of the plug pin hole 61, two ends of the first guide slot 611 are respectively provided with a first guide end 612 and a first clamping end 613, the first guide end 612 is communicated with an outer side wall of the plug pin disc 6, and the clamping part 81 can be inserted into the plug pin hole 61 and pulled out after rotating, so that the clamping part 811 is clamped to the first clamping end 613 through the first guide end 612. Therefore, the bolt piece 8 is prevented from colliding with the limiting hole 71 and falling off from the bolt hole 61, so that bolt limiting failure is caused, specifically, the clamping portion 81 is inserted into the bolt hole 61 by aligning the clamping piece 811 and the first guide end 612, the bolt piece 8 is rotated and then slightly pulled out, so that the clamping portion 81 enters the first clamping end 613 along the first guide end 612, clamping between the bolt piece 8 and the bolt hole 61 is realized, the process when the bolt piece 8 needs to be taken down is opposite to the above steps, and details are not given here.

In order to accommodate the plug pin part 8 when the plug pin part is not used and prevent the plug pin part 8 from falling off from the clamping hole 72 to hurt workers, the clamping hole 72 is formed in the center of the fixing seat 7, a U-shaped second guide clamping groove 721 is formed in the inner wall of the clamping hole 72, a second guide end 722 and a second clamping end 723 are respectively formed at two ends of the second guide clamping groove 721, the second guide end 722 is communicated with the outer side wall of the fixing seat 7, and the clamping portion 81 can be inserted into the clamping hole 72 and pulled out after being rotated, so that the clamping part 811 is clamped to the second clamping end 723 through the second guide end 722. Specifically, the clamping portion 81 is inserted into the clamping hole 72 by aligning the clamping member 811 and the second guide end 722, and then the latch member 8 is rotated and slightly pulled out, so that the clamping portion 81 enters the second clamping end 723 along the second guide end 722, thereby realizing the clamping between the latch member 8 and the clamping hole 72, and the process is opposite to the above steps when the latch member 8 needs to be removed, which is not described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a stand lifting machine safety bolt mechanism which characterized in that includes:

the top of the upright post (1) is provided with a motor (2);

the transmission chain wheel (3) is arranged at the top of the upright post (1) and is in linkage with the output end of the motor (2), a chain (31) is meshed on the transmission chain wheel (3), and one end of the chain (31) extends downwards and is connected with a conveying device (4);

the pin disc (6) is arranged on one side, away from the motor (2), of the transmission chain wheel (3) and is in linkage with the transmission chain wheel (3), and a plurality of pin holes (61) arranged in an annular array are formed in the pin disc (6);

the fixing seat (7) is fixedly arranged at the top of the upright post (1), is adjacent to the plug pin disc (6) and is arranged in parallel, a plurality of limiting holes (71) corresponding to the plug pin holes (61) are formed in the fixing seat (7), and the limiting holes (71) are arc-shaped and are arranged in an annular array;

the bolt piece (8) can be inserted into the limiting hole (71) and the bolt hole (61) and is used for limiting the bolt disc (6), so that the transmission chain wheel (3) is limited, and the conveying device (4) is limited.

2. The safety latch mechanism of a column elevator as claimed in claim 1, wherein the distance between adjacent latch holes (61) is set to 2cm-3cm, and each of the limiting holes (71) corresponds to two of the latch holes (61).

3. The safety latch mechanism of the column elevator as claimed in claim 1, wherein one end of the latch member (8) is provided with a clamping portion (81), and the other end is provided with a mounting portion (82), the diameter of the mounting portion (82) is greater than the width of the limiting hole (71), and when the clamping portion (81) passes through the limiting hole (71) and is clamped in the latch hole (61), the mounting portion (82) is exposed on one side of the fixing seat (7) away from the latch disc (6).

4. The safety latch mechanism of the column elevator as claimed in claim 3, wherein the mounting portion (82) is provided with a plurality of mounting holes (821), the fixing base (7) is provided with a plurality of threaded holes (73) arranged in an annular array, and when the clamping portion (81) passes through the limiting hole (71) and is clamped in the latch hole (61), the mounting portion (82) and the fixing base (7) are fixed by the mounting holes (821) and the threaded holes (73) in a threaded manner.

5. The safety latch mechanism of the column elevator as claimed in claim 3, wherein the outer wall of the latch portion (81) is provided with a latch member (811), the inner wall of the plurality of latch holes (61) is provided with a first guide slot (611) having a U shape, two ends of the first guide slot (611) are respectively provided with a first guide end (612) and a first latch end (613), the first guide end (612) is connected to the outer sidewall of the latch plate (6), and the latch portion (81) can be inserted into the latch holes (61) and rotated and then pulled out, so that the latch member (811) is latched to the first latch end (613) through the first guide end (612).

6. The safety latch mechanism of the column lifter as claimed in claim 5, wherein a clamping hole (72) is formed in the center of the fixing base (7), a U-shaped second guide slot (721) is formed in an inner wall of the clamping hole (72), a second guide end (722) and a second clamping end (723) are respectively formed at two ends of the second guide slot (721), the second guide end (722) is communicated with an outer side wall of the fixing base (7), and the clamping portion (81) can be inserted into the clamping hole (72) and pulled out after being rotated, so that the clamping member (811) is clamped to the second clamping end (723) through the second guide end (722).

7. A safety latch mechanism for column hoists, as in claim 1, characterized in that between the columns (1) there is a cross-beam (11) and the motor (2) is mounted on the cross-beam (11).

8. The safety latch mechanism of the upright post hoister as claimed in claim 1, characterized in that the top of the upright post (1) is provided with a first rotating shaft seat (12) and a second rotating shaft seat (13), and the motor (2) and the latch plate (6) are linked with the transmission chain wheel (3) through the first rotating shaft seat (12) and the second rotating shaft seat (13), respectively.

9. The safety latch mechanism of a column elevator as claimed in claim 1, wherein the other end of the chain (31) extends downward inside the column (1) and is connected with a weight block (5), and the weight block (5) and the conveying device (4) move in opposite directions along the column (1), respectively.