Bucket wheel machine arm support belt conveyor impact idler rack structure convenient to maintain

Abstract

The utility model relates to the technical field of carrier roller structures, in particular to a bucket wheel machine arm support belt conveyor buffer carrier roller rack structure convenient to maintain, which comprises a rack, a plurality of buffer carrier rollers and a plurality of first fixing mechanisms, guide grooves distributed at intervals are arranged in the rack, the plurality of buffer carrier rollers are arranged on the rack at equal intervals, and the first fixing mechanisms are arranged on the rack. The two ends of the impact idler are installed on the rack through first fixing mechanisms, each first fixing mechanism comprises a first fixing rod and two first limiting pins, the first fixing rods penetrate through the rack and are in sliding connection with the rack, one ends of the first fixing rods are inserted into the impact idler, and the two first limiting pins are located on the two sides of the first fixing rods correspondingly. And the second fixing rod is slidably connected with the first fixing rod. The impact idler is dismounted and replaced through the first fixing mechanism, only the damaged impact idler needs to be dismounted and replaced at a fixed point in the mode, and the dismounting and replacing efficiency of the damaged impact idler is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of carrier roller structure, especially a bucket wheel machine arm frame belt conveyor buffer carrier roller rack structure convenient to maintain. BACKGROUND

[0002] Nowadays, in order to meet the production demand, more and more large-scale bucket wheel stacker-reclaimers are used in ports, in order to make the bucket wheel stacker-reclaimer belt not be damaged under load, a plurality of buffer carrier rollers with a spacing of 300mm are arranged at the belt conveyor load receiving and guiding groove.

[0003] At present, the removal and replacement mode of the buffer carrier roller is: the buffer carrier rollers are removed from the edge (the outermost side) of the rack in sequence until the damaged buffer carrier roller is removed, however, due to the dense spacing of the buffer carrier rollers, such operation requires a long time to remove and replace the damaged buffer carrier roller, which affects the removal and replacement efficiency of the damaged buffer carrier roller. SUMMARY

[0004] In view of the above-mentioned shortcomings in the prior production technology, the applicant provides a bucket wheel machine arm frame belt conveyor buffer carrier roller rack structure convenient to maintain, which can simplify the removal and replacement steps of the damaged buffer belt and improve the removal and replacement efficiency of the damaged buffer carrier roller through improvement of the buffer carrier roller rack structure.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A bucket wheel machine arm frame belt conveyor buffer carrier roller rack structure convenient to maintain, comprising: a rack, a plurality of buffer carrier rollers and a plurality of first fixing mechanisms, the rack is internally provided with a load guiding groove distributed at intervals, a plurality of the buffer carrier rollers are installed on the rack at equal intervals, both ends of the buffer carrier roller are installed on the rack through the first fixing mechanism, a single first fixing mechanism comprises: a first fixing rod and two first limiting pins, the first fixing rod penetrates the rack and is in sliding connection with the rack, one end of the first fixing rod is inserted into the buffer carrier roller, the two first limiting pins are respectively located on both sides of the first fixing rod and are in sliding connection with the first fixing rod; when the first limiting pin is inserted into the first fixing rod, the first limiting pin abuts against the rack.

[0007] Thus, the damaged buffer roller is removed and replaced by the first fixing mechanism, compared with the existing removal and replacement mode of the damaged buffer roller, the mode has simple structure and is convenient to operate, only needs to remove and replace the damaged buffer roller at a fixed point, does not need to remove the damaged buffer roller from the outermost buffer roller, can simplify the removal and replacement steps of the damaged buffer roller, save labor cost, shorten the removal and replacement time of the damaged buffer roller, and improve the removal and replacement efficiency of the damaged buffer roller; the two first limiting pins can ensure that the first fixing rod does not move relative to the rack after installation, so as to ensure that the buffer roller is installed and fixed well.

[0008] As a further improvement of the above technical solution: further comprising: a plurality of single roller supports, the single roller support is installed at the end of the rack, and the single roller support is connected with the rack through the first fixing rod.

[0009] As a further improvement of the above technical solution: the single roller support is provided with a mounting groove on the side away from the end of the buffer roller, and one end of the first fixing rod is inserted into the mounting groove and connected with the single roller support. Thus, the first fixing rod can be inserted into the single roller support through the mounting groove.

[0010] As a further improvement of the above technical solution: further comprising: a second fixing mechanism, the buffer roller is connected with the single roller support through the second fixing mechanism. Thus, the installation and removal between the single roller support and the buffer roller can be realized through the second fixing mechanism.

[0011] As a further improvement of the above technical solution: the second fixing mechanism comprises: a second fixing rod and a locking piece, the second fixing rod penetrates the single roller support and the buffer roller, and the locking piece is threadedly connected with the second fixing rod.

[0012] As a further improvement of the above technical solution: the first fixing rod is provided with a through hole relative to the position of the first limiting pin, the first limiting pin penetrates the through hole and is slidably connected with the first fixing rod.

[0013] As a further improvement of the above technical solution: the first limiting pin comprises: a connecting part and a supporting part, the connecting part is connected with the supporting part, the connecting part penetrates the through hole and is slidably connected with the first fixing rod, when the connecting part is inserted into the first fixing rod, the supporting part abuts against the first fixing rod, and the connecting part and the supporting part both abut against the rack.

[0014] As a further improvement of the above technical solution: further comprising: a supporting mechanism connected with the single idler support. Thus, the up and down movement of the buffer idler can be realized by the supporting mechanism, so as to facilitate the removal and replacement of the damaged buffer idler.

[0015] As a further improvement of the above technical solution: the supporting mechanism comprises: a first supporting rod, a sleeve rod and a second limiting pin, one end of the sleeve rod is connected with the single idler support, the other end of the sleeve rod is inserted into the first supporting rod and is in sliding connection with the first supporting rod, and the second limiting pin penetrates through the first supporting rod and the sleeve rod and is in sliding connection with the first supporting rod and the sleeve rod.

[0016] As a further improvement of the above technical solution: the first supporting rod and the sleeve rod are both hollow structures; a second supporting rod is arranged in the first supporting rod, the other end of the sleeve rod is provided with a supporting plate, one end of the second supporting rod is connected with the first supporting rod, the other end of the second supporting rod penetrates through the supporting plate and is inserted into the inside of the sleeve rod, the second supporting rod is in sliding connection with the sleeve rod, a spring is further arranged in the first supporting rod, the spring is sleeved on the second supporting rod, and both ends of the spring are connected with the first supporting rod and the supporting plate respectively. Thus, the descent of the buffer idler can be buffered by the spring, so as to ensure that the buffer idler will not descend instantaneously.

[0017] The beneficial effects of the present application are as follows:

[0018] The damaged buffer idler is removed and replaced by the first fixing mechanism. Compared with the existing removal and replacement mode of the damaged buffer idler, this mode has the advantages of simple structure, easy operation, no need to remove the damaged buffer idler from the outermost buffer idler to the damaged buffer idler, and the like. Thus, the removal and replacement steps of the damaged buffer idler can be simplified, the labor cost can be saved, the removal and replacement time of the damaged buffer idler can be shortened, and the removal and replacement efficiency of the damaged buffer idler can be improved.

[0019] The present application also has the following advantages:

[0020] 1. The two first limiting pins can ensure that the first fixing rod will not move relatively with the rack after installation, so as to ensure that the buffer idler is installed and fixed well.

[0021] 2. The second fixing mechanism can realize the installation and removal between the single idler support and the buffer idler.

[0022] 3. The utility model discloses a support mechanism can realize the up-and-down movement of buffer roller, so as to facilitate the damaged buffer roller to be removed and replaced, and the spring can buffer the descent of buffer roller, to ensure that buffer roller does not descend instantaneously. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure diagram of the utility model's convenient to maintain's bucket -wheel machine arm frame belt feeder buffer roller rack structure;

[0024] Figure 2 It is the top view of the utility model's convenient to maintain's bucket -wheel machine arm frame belt feeder buffer roller rack structure;

[0025] Figure 3 It is the utility model's Figure 2 The local structure enlarged diagram of A place in middle;

[0026] Figure 4 It is the partial structure schematic view of the utility model's rack and buffer support installation;

[0027] Figure 5 It is the utility model's first fixed mechanism, single body roller support and the second fixed mechanism first visual angle's explosion map;

[0028] Figure 6 It is the utility model's first fixed mechanism, single body roller support and the second fixed mechanism second visual angle's explosion map;

[0029] Figure 7 It is the utility model's support mechanism's sectional view;

[0030] Figure 8 It is the utility model's Figure 7 The local structure enlarged diagram of B place in middle.

[0031] Wherein: 1, rack;101, guide chute;

[0032] 2, buffer roller;

[0033] 3, first fixed mechanism;

[0034] 301, first fixed link;3011, through -hole;302, first limit pin;3021, connecting portion;3022, support portion;

[0035] 4, single body roller support;401, installation groove;

[0036] 5, second fixed mechanism;

[0037] 501, second fixed link;502, locking piece;

[0038] 6, support mechanism;

[0039] 601, first support rod; 602, sleeve rod; 6021, support plate; 603, second limiting pin; 604, second support rod; 605, spring. DETAILED DESCRIPTION

[0040] The specific implementation of the utility model will be described below in combination with the drawings.

[0041] As Figures 1 to 8 shown, it is the best embodiment of the utility model, the convenient-to-maintain bucket wheel machine arm frame belt conveyor buffer roller rack structure of the embodiment, including: rack 1, a plurality of buffer rollers 2 and a plurality of first fixing mechanisms 3, the rack 1 is internally provided with the guide chute 101 distributed at intervals, a plurality of buffer rollers 2 are installed at equal intervals on the rack 1, and the two ends of the buffer roller 2 are both installed on the rack 1 through the first fixing mechanism 3, a single first fixing mechanism 3 includes: a first fixing rod 301 and two first limiting pins 302, the first fixing rod 301 penetrates the rack 1 and is slidably connected with the rack 1, one end of the first fixing rod 301 is inserted into the buffer roller 2, and the two first limiting pins 302 are respectively located on the two sides of the first fixing rod 301 and are slidably connected with the first fixing rod 301;When the first limiting pin 302 is inserted into the first fixing rod 301, the first limiting pin 302 abuts against the rack 1. Thus, the buffer roller 2 is removed and replaced through the first fixing mechanism 3, compared with the existing removal and replacement mode of the damaged buffer roller 2, the mode has a simple structure and is convenient to operate, only needs to remove and replace the damaged buffer roller 2 at a fixed point, does not need to remove the damaged buffer roller 2 from the outermost buffer roller 2 in sequence, can simplify the removal and replacement steps of the damaged buffer belt, save labor cost, shorten the removal and replacement time of the damaged buffer roller 2 and improve the removal and replacement efficiency of the damaged buffer roller 2;The two first limiting pins 302 can ensure that the first fixing rod 301 does not move relative to the rack 1 after being installed, so as to ensure that the buffer roller 2 is installed and fixed well.

[0042] In other words, the existing removal and replacement mode needs to remove a plurality of buffer rollers 2 first, and then install a plurality of buffer rollers 2 in sequence, and the mode only needs to remove a buffer roller 2 (i.e. the damaged buffer roller 2) at a fixed point and replace it with a new buffer roller 2, so that the removal and replacement steps of the damaged buffer belt can be simplified, labor cost can be saved, the removal and replacement time of the damaged buffer roller 2 can be shortened, and the removal and replacement efficiency of the damaged buffer roller 2 can be improved.

[0043] In the embodiment, further comprising: a plurality of single roller supports 4, the single roller supports 4 are installed at the ends of the frame 1, and the single roller supports 4 are connected with the frame 1 through the first fixing rods 301; the single roller supports 4 are provided with mounting grooves 401 on the sides away from the ends of the buffer rollers 2, and one end of the first fixing rods 301 is inserted into the mounting grooves 401 and connected with the single roller supports 4. Thus, the first fixing rods 301 can be inserted into the single roller supports 4 through the mounting grooves 401.

[0044] In the embodiment, further comprising: a second fixing mechanism 5, the buffer rollers 2 are connected with the single roller supports 4 through the second fixing mechanism 5; the second fixing mechanism 5 comprises: second fixing rods 501 and locking pieces 502, the second fixing rods 501 penetrate the single roller supports 4 and the buffer rollers 2, and the locking pieces 502 are threadedly connected with the second fixing rods 501; the first fixing rods 301 are provided with through holes 3011 relative to the positions of the first limiting pins 302, the first limiting pins 302 penetrate the through holes 3011 and are slidably connected with the first fixing rods 301; the first limiting pins 302 comprise: connecting portions 3021 and supporting portions 3022, the connecting portions 3021 are connected with the supporting portions 3022, the connecting portions 3021 penetrate the through holes 3011 and are slidably connected with the first fixing rods 301, when the connecting portions 3021 are inserted into the first fixing rods 301, the supporting portions 3022 abut against the first fixing rods 301, and the connecting portions 3021 and the supporting portions 3022 both abut against the frame 1. Thus, the installation and dismounting between the single roller supports 4 and the buffer rollers 2 can be realized through the second fixing mechanism 5.

[0045] For example, the locking pieces 502 are nuts.

[0046] In the embodiment, the support mechanism 6 is further included, and the support mechanism 6 is connected with the single roller support 4. The support mechanism 6 comprises a first support rod 601, a sleeve rod 602 and a second limiting pin 603. One end of the sleeve rod 602 is connected with the single roller support 4, the other end of the sleeve rod 602 is inserted into the first support rod 601 and is in sliding connection with the first support rod 601, and the second limiting pin 603 penetrates through and is in sliding connection with the first support rod 601 and the sleeve rod 602. The first support rod 601 and the sleeve rod 602 are both hollow structures. The first support rod 601 is internally provided with a second support rod 604, the other end of the sleeve rod 602 is provided with a support plate 6021, one end of the second support rod 604 is connected with the first support rod 601, the other end of the second support rod 604 penetrates through the support plate 6021 and is inserted into the inside of the sleeve rod 602, the second support rod 604 is in sliding connection with the sleeve rod 602, and the inside of the first support rod 601 is further provided with a spring 605, the spring 605 is sleeved on the second support rod 604, and both ends of the spring 605 are connected with the first support rod 601 and the support plate 6021 respectively. Therefore, the up-down movement of the buffer roller 2 can be realized by the support mechanism 6, so as to facilitate the removal and replacement of the damaged buffer roller 2, and the descent of the buffer roller 2 can be buffered by the spring 605, so as to ensure that the buffer roller 2 does not descend instantaneously.

[0047] The removal and replacement process of the buffer roller 2 of the utility model is as follows: firstly, the damaged buffer roller 2 is positioned; then, the first limiting pin 302 is pulled out from the first fixed rod 301, and the first fixed rod 301 is moved to the side away from the buffer roller 2, so that the first fixed rod 301 is separated from the restraint of the single roller support 4 (since the support mechanism 6 is designed, the damaged buffer roller 2 does not move); then, the second limiting pin 603 is pulled out, so that the damaged buffer roller 2 moves downward under the action of gravity and moves to the side of the rack 1 together with the single roller support 4; finally, the new buffer roller 2 is moved to the position to be replaced together with the single roller support 4, and the replacement of the damaged buffer roller 2 is completed under the cooperation of the first fixing mechanism 3 and the support mechanism 6, and the damaged buffer roller 2 is detached from the single roller support 4 connected therewith (the locking piece 502 is loosened by rotating, and the second fixed rod 501 is pulled out).

[0048] In summary, the utility model discloses a first fixed mechanism 3 is removed to the replacement of buffer roller 2, compared with the removal and replacement mode of existing damaged buffer roller 2, this mode simple structure, convenient operation, only need to remove and replace the damaged buffer roller 2 fixed point, do not need to remove from the outermost buffer roller 2 to damaged buffer roller 2 in turn, can simplify the removal and replacement step of damaged buffer belt, to save the artificial cost, and shorten the removal and replacement time of damaged buffer roller 2, improve the removal and replacement efficiency of damaged buffer roller 2.

[0049] The above description is the explanation of the utility model, is not the limitation of the utility model, the range defined in the utility model refers to the claim, within the protection scope of the utility model, can make any form of modification.

Claims

1. A maintenance-friendly bucket wheel excavator boom belt conveyor buffer idler frame structure, characterized in that, include: The frame (1) is provided with spaced material guide troughs (101) inside the frame (1). Multiple buffer rollers (2) are installed on the frame (1) at equal intervals; Multiple first fixing mechanisms (3), both ends of the buffer roller (2) are mounted on the frame (1) via the first fixing mechanisms (3), and each first fixing mechanism (3) includes: The first fixed rod (301) and two first limiting pins (302) are connected. The first fixed rod (301) passes through the frame (1) and is slidably connected to the frame (1). One end of the first fixed rod (301) is inserted into the buffer roller (2). The two first limiting pins (302) are located on both sides of the first fixed rod (301) and are slidably connected to the first fixed rod (301). When the first limiting pin (302) is inserted into the first fixing rod (301), the first limiting pin (302) abuts against the frame (1).

2. The bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 1, characterized in that: Also includes: Multiple individual idler roller supports (4) are installed at the ends of the frame (1) and are connected to the frame (1) via the first fixing rod (301).

3. The bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 2, characterized in that: The single idler support (4) has an installation groove (401) on the side away from the end of the buffer idler (2). One end of the first fixing rod (301) is inserted into the installation groove (401) and connected to the single idler support (4).

4. The bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 2, characterized in that: Also includes: The second fixing mechanism (5) connects the buffer roller (2) to the single roller support (4) through the second fixing mechanism (5).

5. The bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 4, characterized in that: The second fixing mechanism (5) includes: The second fixing rod (501) and the locking member (502) are connected by threads. The second fixing rod (501) passes through the single idler roller support (4) and the buffer idler roller (2).

6. The bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 1, characterized in that: The first fixing rod (301) has a through hole (3011) at a position relative to the first limiting pin (302). The first limiting pin (302) passes through the through hole (3011) and is slidably connected to the first fixing rod (301).

7. The easily maintainable bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 6, characterized in that: The first limiting pin (302) includes: The connecting part (3021) and the supporting part (3022) are connected. The connecting part (3021) passes through the through hole (3011) and is slidably connected to the first fixing rod (301). When the connecting part (3021) is inserted into the first fixing rod (301), the supporting part (3022) abuts against the first fixing rod (301). Both the connecting part (3021) and the supporting part (3022) abut against the frame (1).

8. The bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 2, characterized in that: Also includes: Support mechanism (6), which is connected to the single idler roller support (4).

9. The easily maintainable bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 8, characterized in that: The support mechanism (6) includes: The first support rod (601), the sleeve rod (602), and the second limiting pin (603) are provided. One end of the sleeve rod (602) is connected to the single idler roller support (4), and the other end of the sleeve rod (602) is inserted into the first support rod (601) and slidably connected to the first support rod (601). The second limiting pin (603) passes through the first support rod (601) and the sleeve rod (602) and is slidably connected to the first support rod (601) and the sleeve rod (602).

10. The easily maintainable bucket wheel excavator boom belt conveyor buffer idler frame structure as described in claim 9, characterized in that: Both the first support rod (601) and the sleeve rod (602) are hollow structures; The first support rod (601) has a second support rod (604) inside. The other end of the sleeve rod (602) has a support plate (6021). One end of the second support rod (604) is connected to the first support rod (601), and the other end of the second support rod (604) passes through the support plate (6021) and is inserted into the sleeve rod (602). The second support rod (604) is slidably connected to the sleeve rod (602). The first support rod (601) also has a spring (605) inside. The spring (605) is sleeved on the second support rod (604), and both ends of the spring (605) are connected to the first support rod (601) and the support plate (6021) respectively.

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