CN216036788U - Tail internal tensioning mechanism for lifter - Google Patents
Tail internal tensioning mechanism for lifter Download PDFInfo
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- CN216036788U CN216036788U CN202122703521.1U CN202122703521U CN216036788U CN 216036788 U CN216036788 U CN 216036788U CN 202122703521 U CN202122703521 U CN 202122703521U CN 216036788 U CN216036788 U CN 216036788U
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- tail
- compression spring
- frame
- tensioning
- fixedly connected
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Abstract
The utility model discloses a tail internal tensioning mechanism for a lifter, which comprises: the two inner tensioning frames are oppositely arranged on the inner wall of the shell of the elevator body; the sliding rail mounting rack is fixedly connected to the inner end of the inner tensioning rack; the two inner tensioning guide rails are fixedly connected to the slide rail mounting rack; the tail shaft supporting seat is connected between the two inner tensioning guide rails in a sliding mode, the end part of the tail shaft is rotatably connected into the tail shaft supporting seat, and the tail chain wheel is sleeved on the tail shaft; the balance weight wheels are arranged on the tail chain wheel in equal number, are sleeved on the tail shaft and are positioned between the tail chain wheel and the tail shaft supporting seat; the compression spring limiting part is installed on the slide rail installation frame, and the compression spring limiting part is abutted to the tail shaft supporting seat.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to a tail internal tensioning mechanism for an elevator.
Background
The tail part of the NSE series high-speed plate chain bucket elevator needs to be provided with a weight system to tighten the chain, so that the chain runs stably. As shown in figure 1, the original design structure is an external weight, and a balance weight is arranged outside the tail shell through a lever principle.
This project organization because the external weight, so the space has the requirement, when the operation is not steady, like the circumstances such as card material, the external weight will fluctuate by a wide margin, causes the casing to warp easily, and the bearing frame breaks the circumstances such as. The safety is poor. And operates with periodic noise.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the present invention discloses a tail internal tension mechanism for a hoist, comprising:
the two inner tensioning frames are oppositely arranged on the inner wall of the shell of the elevator body;
the sliding rail mounting rack is fixedly connected to the inner end of the inner tensioning rack;
the two inner tensioning guide rails are fixedly connected to the slide rail mounting rack;
the tail shaft supporting seat is connected between the two inner tensioning guide rails in a sliding mode, the end part of the tail shaft is rotatably connected into the tail shaft supporting seat, and the tail chain wheel is sleeved on the tail shaft;
the balance weight wheels are arranged on the tail chain wheel in equal number, are sleeved on the tail shaft and are positioned between the tail chain wheel and the tail shaft supporting seat;
the compression spring limiting part is installed on the slide rail installation frame, and the compression spring limiting part is abutted to the tail shaft supporting seat.
Preferably, the rail mount includes:
the transverse supporting frame is fixedly connected to the position, close to the bottom end, of the inner end of the inner tensioning frame;
the vertical support frames are fixedly connected with the inner end of the inner tensioning frame through connecting frames, the bottom end of each vertical support frame is abutted to the corresponding transverse support frame, the inner tensioning guide rail is fixedly connected with the inner end of each vertical support frame, and the compression spring limiting parts are fixedly connected with the two vertical support frames.
Preferably, the tail shaft supporting seat comprises:
the compression spring limiting piece is arranged at the top end of the square plate in an abutting mode;
the bearing bush is arranged on the square plate;
the shaft sleeve is arranged in the bearing bush, and the end part of the tail shaft is arranged in the shaft sleeve.
Preferably, the compression spring stopper includes:
the jacking block is connected to the inner ends of the two inner tensioning guide rails in a sliding manner, is positioned above the square plate and is abutted against the square plate;
the lower transverse frame is fixedly connected to the two vertical supporting frames and is positioned above the inner tensioning guide rail;
the lower guide sleeve is fixedly connected to the lower transverse frame;
the upper transverse frame is fixedly connected to the two vertical supporting frames and is positioned above the lower transverse frame;
the upper guide sleeve is fixedly connected to the upper transverse frame;
the bottom end of the screw rod is rotatably connected to the ejector block, and the top end of the screw rod sequentially penetrates through a lower guide sleeve and an upper guide sleeve;
the adjusting nuts are sleeved on the screw rod and are positioned between the lower guide sleeve and the upper guide sleeve;
the compression spring is sleeved on the lead screw, the top end of the compression spring is abutted to the upper guide sleeve, and the bottom end of the compression spring is abutted to the adjusting nut.
Preferably, a screw hole is formed in the side end of the adjusting nut, and a locking bolt piece is mounted on the screw hole.
Preferably, the surface of the shaft sleeve is provided with a step surface convenient for clamping the bearing bush.
Preferably, a limiting circular groove is formed in the top end of the top block, a ball body is mounted at the bottom end of the screw rod, and the ball body extends into the limiting circular groove.
Preferably, the square plate is provided with a round hole, and the surface of the bearing bush is provided with a step surface convenient for clamping the round hole.
The working principle and the beneficial effects of the utility model are as follows:
the tail internal tensioning mechanism for the lifter provided by the utility model replaces an originally designed external weight structure, the original external weight is designed to be built-in, the space is reduced, and the tail shaft is limited by a way of being provided with the balance weight wheel and the compression spring limiting piece, so that the tensioning of a chain on the tail chain wheel is realized. When the pressing height of the jacking block opposite to the square plate needs to be adjusted, the adjusting nut is rotated after the top of the screw rod is limited, so that the screw rod is driven to press down or pull the jacking block to do lifting motion at the inner ends of the two inner tensioning guide rails along the upper guide sleeve and the lower guide sleeve, when the pressing strength of the jacking block opposite to the square plate needs to be adjusted, the elastic force of the compression spring is changed by increasing or decreasing the number of the adjusting nuts, namely when the number of the adjusting nuts is increased, the contraction amount of the compression spring is reduced, so that the pressing strength of the jacking block opposite to the square plate is increased, and when the number of the adjusting nuts is decreased, the contraction amount of the compression spring is increased, so that the pressing strength of the jacking block opposite to the square plate is reduced. Therefore, the whole structure adopts a full-sealing structure, effectively prevents dust from leaking, and is environment-friendly and simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an external weight structure of the original design;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a first schematic view of a compression spring position limiting member according to the present invention;
fig. 5 is a second schematic view of a limiting member of a compression spring according to the present invention.
In the figure: 1. an inner tension frame; 2. a slide rail mounting bracket; 3. an inner tensioning guide rail; 4. a tail shaft supporting seat; 5. a tail shaft; 6. a weight wheel; 7. a compression spring stop; 21. a transverse support frame; 22. erecting a support frame; 40. a tail sprocket; 41. a square plate; 42. bearing bushes; 43. a shaft sleeve; 71. a top block; 72. a lower cross frame; 73. a lower guide sleeve; 74. an upper transverse frame; 75. an upper guide sleeve; 76. a screw rod; 77. adjusting the nut; 78. compressing the spring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the tail internal tension mechanism for a hoist according to the present embodiment includes:
the two inner tensioning frames 1 are oppositely arranged on the inner wall of the shell of the elevator body;
the sliding rail mounting rack 2 is fixedly connected to the inner end of the inner tensioning rack 1;
the two inner tensioning guide rails 3 are fixedly connected to the slide rail mounting rack 2;
the tail shaft supporting seat 4 is connected between the two inner tensioning guide rails 3 in a sliding mode, the end portion of the tail shaft 5 is connected into the tail shaft supporting seat 4 in a rotating mode, and the tail chain wheel 40 is sleeved on the tail shaft 5;
the number of the counterweight wheels 6 is equal to that of the tail chain wheel 40, the counterweight wheels 6 are sleeved on the tail shaft 5, and the counterweight wheels 6 are positioned between the tail chain wheel 40 and the tail shaft supporting seat 4;
the compression spring limiting part 7 is installed on the slide rail installation rack 2, and the compression spring limiting part 7 is abutted to the tail shaft support seat 4.
Further, the rail mount 2 includes:
the transverse supporting frame 21 is fixedly connected to the position, close to the bottom end, of the inner end of the inner tensioning frame 1;
Further, the tail shaft support seat 4 includes:
the square plate 41 is connected to the inner ends of the two inner tensioning guide rails 3 in a sliding manner, and the compression spring limiting part 7 is arranged at the top end of the square plate 41 in an abutting manner;
the bearing bush 42, the said bearing bush 42 is mounted on said square plate 41;
and the shaft sleeve 43 is arranged in the bearing bush 42, and the end part of the tail shaft 5 is arranged in the shaft sleeve 43.
Further, the compression spring stopper 7 includes:
the top block 71 is connected to the inner ends of the two inner tensioning guide rails 3 in a sliding manner, and the top block 71 is located above the square plate 41 and is abutted to the square plate 41;
the lower cross frame 72 is fixedly connected to the two vertical support frames 22, and the lower cross frame 72 is positioned above the inner tensioning guide rail 3;
the lower guide sleeve 73 is fixedly connected to the lower cross frame 72;
the upper cross frame 74 is fixedly connected to the two vertical support frames 22, and the upper cross frame 74 is positioned above the lower cross frame 72;
the upper guide sleeve 75 is fixedly connected to the upper cross frame 74;
the bottom end of the screw rod 76 is rotatably connected to the top block 71, and the top end of the screw rod 76 is sequentially penetrated by the lower guide sleeve 73 and the upper guide sleeve 75;
a plurality of adjusting nuts 77 are sleeved on the screw rod 76, and the adjusting nuts 77 are positioned between the lower guide sleeve 73 and the upper guide sleeve 75;
and the compression spring 78 is sleeved on the lead screw 76, the top end of the compression spring 78 is abutted to the upper guide sleeve 75, and the bottom end of the compression spring 78 is abutted to the adjusting nut 77.
Furthermore, a screw hole is formed in the side end of the adjusting nut 77, and a locking bolt piece is mounted on the screw hole.
Further, a step surface convenient for clamping the bearing bush 42 is formed on the surface of the shaft sleeve 43.
Furthermore, a limiting circular groove is formed in the top end of the top block 71, a ball body is mounted at the bottom end of the screw rod 76, and the ball body extends into the limiting circular groove.
Furthermore, a round hole is formed in the square plate 41, and a step surface convenient for clamping the round hole is formed on the surface of the bearing bush 42.
The working principle and the beneficial effects of the utility model are as follows:
the tail internal tensioning mechanism for the lifter provided by the utility model replaces an originally designed external weight structure, the original external weight is designed to be built-in, the space is reduced, and the tail shaft 5 is limited by arranging the balance weight wheel 6 and the compression spring limiting piece 7, so that the tensioning of the chain on the tail chain wheel 40 is realized. When the pressing height of the top block 71 to the square plate 41 needs to be adjusted, after the top of the screw rod 76 is limited, the adjusting nut 77 is rotated, thereby driving the screw rod 76 to press down or lift up the jacking block 71 along the upper guide sleeve 75 and the lower guide sleeve 73 to do lifting motion at the inner ends of the two inner tensioning guide rails 3, when the pressing strength of the top block 71 to the square plate 41 needs to be adjusted, the elastic force of the compression spring 78 is changed by increasing or decreasing the number of the adjusting nuts 77, that is, when the number of the adjustment nuts 77 is increased, the amount of contraction of the compression spring 78 becomes small, so that the pressing strength of the top block 71 against the counter plate 41 is increased, and when the number of the adjustment nuts 77 is decreased, the amount of contraction of the compression spring 78 becomes large, therefore, the pressing strength of the top block 71 to the square plate 41 is reduced, and the tail internal tensioning mechanism for the elevator disclosed by the utility model is matched with the shaft sleeve 43 and the shaft/42 structure to seal the whole tail transmission device in the shell of the elevator body. Therefore, the whole structure adopts a full-sealing structure, effectively prevents dust from leaking, and is environment-friendly and simple.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (8)
1. The utility model provides a tensioning mechanism in afterbody for hoist which characterized in that includes:
the two inner tensioning frames (1) are oppositely arranged on the inner wall of the shell of the elevator body;
the sliding rail mounting rack (2), the sliding rail mounting rack (2) is fixedly connected to the inner end of the inner tensioning rack (1);
the two inner tensioning guide rails (3) are fixedly connected to the slide rail mounting rack (2);
the tail shaft supporting seat (4) is connected between the two inner tensioning guide rails (3) in a sliding mode, the end portion of the tail shaft (5) is connected into the tail shaft supporting seat (4) in a rotating mode, and a tail chain wheel (40) is sleeved on the tail shaft (5);
the balance weight wheels (6) are arranged on the tail chain wheel (40) in equal quantity, the balance weight wheels (6) are sleeved on the tail shaft (5), and the balance weight wheels (6) are positioned between the tail chain wheel (40) and the tail shaft supporting seat (4);
the compression spring limiting part (7), the compression spring limiting part (7) install in on the slide rail mounting bracket (2), the compression spring limiting part (7) support locate the setting of tailshaft supporting seat (4).
2. A tail inner tensioning mechanism for a hoist according to claim 1, characterized in that the rail mounting (2) comprises:
the transverse supporting frame (21), the transverse supporting frame (21) is fixedly connected to the position, close to the bottom end, of the inner end of the inner tensioning frame (1);
erect support frame (22), two erect support frame (22) through link fixed connection in interior tensioning frame (1) inner, erect support frame (22) bottom support and locate on cross bracing frame (21), interior tensioning guide rail (3) fixed connection in erect support frame (22) inner, compression spring locating part (7) fixed connection is in two erect on support frame (22).
3. A tail inner tension mechanism for a hoist according to claim 2, characterized in that the tail shaft support base (4) comprises:
the square plate (41) is connected to the inner ends of the two inner tensioning guide rails (3) in a sliding mode, and the compression spring limiting piece (7) abuts against the top end of the square plate (41);
the bearing bush (42), the said bearing bush (42) is installed on said square plate (41);
the shaft sleeve (43), the shaft sleeve (43) is installed in the bearing bush (42), and the end part of the tail shaft (5) is installed in the shaft sleeve (43).
4. A tail internal tension mechanism for a lifter according to claim 3, wherein the compression spring retainer (7) comprises:
the top block (71) is connected to the inner ends of the two inner tensioning guide rails (3) in a sliding mode, and the top block (71) is located above the square plate (41) and arranged in a propping mode to the square plate (41);
the lower cross frame (72) is fixedly connected to the two vertical supporting frames (22), and the lower cross frame (72) is positioned above the inner tensioning guide rail (3);
the lower guide sleeve (73), the said lower guide sleeve (73) is fixedly connected to the said lower horizontal frame (72);
the upper transverse frame (74) is fixedly connected to the two vertical supporting frames (22), and the upper transverse frame (74) is positioned above the lower transverse frame (72);
the upper guide sleeve (75), the said upper guide sleeve (75) is fixedly connected to the said upper horizontal frame (74);
the bottom end of the screw rod (76) is rotatably connected to the ejector block (71), and the top end of the screw rod (76) is sequentially provided with a lower guide sleeve (73) and an upper guide sleeve (75) in a penetrating manner;
the adjusting nuts (77) are sleeved on the screw rod (76), and the adjusting nuts (77) are positioned between the lower guide sleeve (73) and the upper guide sleeve (75);
compression spring (78), compression spring (78) cover is located on lead screw (76), compression spring (78) top is supported and is located go up uide bushing (75) setting, compression spring (78) bottom is supported and is located adjusting nut (77) setting.
5. The tail internal tension mechanism for the elevator as claimed in claim 4, wherein a screw hole is formed at a side end of the adjusting nut (77), and a lock bolt member is installed in the screw hole.
6. The tail internal tension mechanism for the elevator as claimed in claim 3, wherein the surface of the shaft sleeve (43) is provided with a step surface for facilitating the clamping connection of the bearing bush (42).
7. The tail internal tension mechanism for the elevator as claimed in claim 4, wherein the top end of the top block (71) is provided with a limiting circular groove, and the bottom end of the screw rod (76) is provided with a ball body which extends into the limiting circular groove.
8. The tail internal tension mechanism for the elevator as claimed in claim 3, wherein the square plate (41) is provided with a circular hole, and the surface of the bearing bush (42) is provided with a step surface convenient for the circular hole to be clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122703521.1U CN216036788U (en) | 2021-11-04 | 2021-11-04 | Tail internal tensioning mechanism for lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122703521.1U CN216036788U (en) | 2021-11-04 | 2021-11-04 | Tail internal tensioning mechanism for lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216036788U true CN216036788U (en) | 2022-03-15 |
Family
ID=80551496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122703521.1U Active CN216036788U (en) | 2021-11-04 | 2021-11-04 | Tail internal tensioning mechanism for lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216036788U (en) |
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2021
- 2021-11-04 CN CN202122703521.1U patent/CN216036788U/en active Active
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