CN116921998A - Combined tension chain wheel and manufacturing method and assembly method thereof - Google Patents
Combined tension chain wheel and manufacturing method and assembly method thereof Download PDFInfo
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- CN116921998A CN116921998A CN202310843260.4A CN202310843260A CN116921998A CN 116921998 A CN116921998 A CN 116921998A CN 202310843260 A CN202310843260 A CN 202310843260A CN 116921998 A CN116921998 A CN 116921998A
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- sprocket
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000005266 casting Methods 0.000 claims description 15
- 238000004080 punching Methods 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 9
- 239000010962 carbon steel Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides a combined tension chain wheel and a manufacturing method and an assembling method thereof, wherein the combined tension chain wheel comprises a chain wheel, a chassis and a shaft, wherein the two ends of the chain wheel are respectively provided with a first chain wheel hole and a second chain wheel hole, the chassis is provided with a first annular step surface and a second annular step surface, the inner diameter of the first chain wheel hole is matched with the diameter of the first annular step surface, the inner diameter of the second chain wheel hole is matched with the diameter of the second annular step surface, a chain wheel assembly is arranged on a detection tool, a motor is used for driving one side chain wheel through a chain, an infrared transmitter and an infrared receiver are respectively arranged at two sides of a gear tooth position where the chain wheel is not meshed with the chain, after the chain wheel runs stably, the chain wheel rotates for 2-3 circles, the chain wheels at two sides are required to be detected according to received signals, and the chain wheels at two sides are required to be detected.
Description
Technical Field
The invention relates to the technical field of escalator, in particular to a combined tension chain wheel and a manufacturing method and an assembling method thereof.
Background
In the prior art, the escalator tensioning chain wheel is mostly an integral casting, the casting chain wheel is high in price, the chain wheels with different specifications need to be opened again, the overall cost is high, and the chain wheels are difficult to replace on site.
Therefore, how to design an escalator tensioning chain wheel with excellent performance, so that the escalator tensioning chain wheel is low in cost, easy to replace, simple in structure and stable in matching is guaranteed, and the technical problem to be solved by the person skilled in the art is urgent.
Disclosure of Invention
In order to solve the problems, the invention provides a combined tension sprocket, a manufacturing method and an assembling method thereof.
In order to achieve the aim of the invention, the invention provides a combined type tensioning chain wheel, which adopts a combined type of a casting chassis and a carbon steel chain wheel, and comprises a chain wheel, a chassis and a shaft, wherein a first chain wheel hole and a second chain wheel hole are respectively formed in two ends of the chain wheel, the chassis is provided with a first annular step surface and a second annular step surface, the inner diameter of the first chain wheel hole is matched with the diameter of the first annular step surface, and the inner diameter of the second chain wheel hole is matched with the diameter of the second annular step surface.
Preferably, the coaxiality of the first sprocket hole and the second sprocket hole is the same, the first sprocket hole is communicated with the second sprocket hole,
preferably, the chain wheel and the chassis are provided with screw holes in coaxiality, the chain wheel and the chassis are fixed by bolts, the threaded connection mode can be repeatedly used, and the bolts are good in fixity, vibration resistance and looseness resistance.
Preferably, the chassis is provided with a through hole, bearings are arranged at two ends of the through hole, and the shaft penetrates through the bearings and the chassis, so that the convenience in assembling of the chain wheel structure is ensured.
Preferably, a chain wheel fixing flange is arranged between the chassis and the bearing and is abutted with the bearing, so that the stability of the structure is ensured.
Preferably, rollers are provided at both ends of the shaft.
The invention provides a combined type tensioning chain wheel, which adopts a combined type of a casting chassis and a carbon steel part chain wheel, and aims at the tensioning chain wheels with different specifications, wherein the casting chassis can share one type and only the externally-arranged carbon steel part chain wheel can be replaced; the casting chassis only needs to be provided with a set of die, the combined type of the casting chassis and the carbon steel part chain wheel is provided, when the carbon steel part chain wheel is cut in a blanking way, the middle hollowed part can be used for processing the chain wheel fixing flange by sleeving, the utilization rate of raw materials is improved, the cost is saved, and the precise manufacturing is realized, the precise manufacturing requirement of related parts is increased, and the precise form and position tolerance requirements such as roughness, flatness, coaxiality, circular runout requirement and the like are increased on the basis of adopting sleeving manufacturing
The invention also provides a method for manufacturing the combined tension chain wheel, which comprises the following steps:
s1 is: the chassis is cast and molded by HT 250;
s2: the mounting surfaces of the chassis and the chain wheel are required to be milled to control the roughness to Ra12.5 and the flatness to be 0.05;
s3: the roughness of the hole wall of the chassis through hole and the mounting position of the bearing is controlled to be Ra1.6, and the roughness of other positions are controlled to be Ra12.5; the roughness of the clamp spring groove is controlled at Ra3.2; the concentricity of the bearing mounting hole relative to the central line is controlled to be 0.02, and the flatness is controlled to be 0.05;
s4: a phi 13 fixing hole and a phi 10 pin hole bottom hole are drilled on the mounting surfaces of the chassis and the chain wheel;
s5, cutting and forming the chain wheel by flame, reserving an inner circle part, milling steps, controlling the roughness of the mounting surfaces of the chassis and the chain wheel to be Ra12.5, punching, processing teeth in a processing center, controlling the concentricity of the index circle of the chain wheel relative to the axis to be 0.1, and controlling the circle runout tolerance to be 0.2;
s6, blanking the chain wheel fixing flange by using the surplus material of the chain wheel, cutting by flame, milling steps and punching.
The method for manufacturing the combined tension chain wheel provided by the invention has the advantages that the roughness, concentricity and flatness are controlled in the required range through processing on the surfaces of the chain wheel and the chassis, so that reasonable precision is ensured, and the chain wheel and the chassis can be accurately assembled.
A method of assembling a modular tension sprocket comprising the steps of:
step 1: sleeving the chain wheel fixing flange into the shaft to be tightly attached to the shaft shoulder;
step 2: after the installation of the chassis, the bearings, the shaft sleeve and other related components is completed, the chassis, the bearings, the shaft sleeve and other related components are sleeved into the shaft to be tightly attached to the chain wheel fixing flange;
step 3: the related components such as the idler wheels are sleeved into the shaft to be tightly attached to the bearing, the chain wheels with corresponding specifications are installed on the chassis according to actual needs, the concentricity of the index circle of the chain wheels relative to the axis is controlled to be 0.2 during installation, and after the chain wheels are fixed by the M12 bolt assembly, the positioning pins are arranged;
step 4, detecting the runout tolerance of the gear tooth circle by using infrared rays after the assembly is completed;
and 5, when the later maintenance needs to replace the chain wheel: and taking out the locating pin, loosening the nut, taking off the old chain wheel from the chassis, replacing the new chain wheel, putting on the M12 bolt assembly after the position is adjusted, and locking.
The method for detecting the gear tooth circle runout tolerance by infrared rays in the step 4 comprises the following steps:
the chain wheel assembly is arranged on a detection tool, a motor is used for driving a chain wheel on one side through a chain, an infrared transmitter and an infrared receiver are respectively arranged on two sides of a gear tooth position where the chain wheel is not meshed with the chain, the chain wheel rotates for 2-3 circles after running stably, and the chain wheels on two sides need to be detected according to received signals to judge jumping.
In the step 5, two schemes are adopted for driving the locating pin:
scheme one: replacing the positioning pin with the outer diameter larger than 12mm, and punching the pin by taking the original phi 12 pin hole as a bottom hole;
scheme II: and (3) replacing the position which does not interfere with the casting chassis, firstly punching a phi 10 bottom hole, and then punching a D12 locating pin.
The invention provides an assembling method for manufacturing a combined tension chain wheel, which is characterized in that a chain wheel assembly is arranged on a detection tool, a motor is used for driving a chain wheel on one side through a chain, an infrared transmitter and an infrared receiver are respectively arranged on two sides of a gear tooth position where the chain wheel is not meshed with the chain, the chain wheel rotates for 2-3 circles after running stably, runout is judged according to a received signal, and the stability of a chain wheel structure is ensured through infrared detection.
Drawings
In order to more clearly illustrate the technical solutions of embodiments or background art of the present invention, the drawings required for the description of the embodiments or background art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present invention, and other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a modular tension sprocket of the present invention;
FIG. 2 is a schematic view of the sprocket and chassis assembly of the present invention:
FIG. 3 is a cross-sectional view of the sprocket and chassis assembly of the present invention;
FIG. 4 is a partial cross-sectional view of the present invention;
FIG. 5 is a schematic view of the chassis of the present invention;
FIG. 6 is a cross-sectional view of the chassis of the present invention;
FIG. 7 is a schematic diagram of the infrared detection structure of the present invention.
1. Sprocket, 2, chassis, 3, sprocket fixed flange, 4, bearing, 5, axle, 6, gyro wheel, 7, first sprocket hole, 8, second sprocket hole, 9, first annular step face, 10, second annular step face.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the invention, and not to limit the invention.
Example 1:
the combined tension chain wheel shown in figure 1 comprises a chain wheel 1, a chassis 2 and a shaft 5, wherein a first chain wheel hole 7 and a second chain wheel hole 8 are respectively arranged at two ends of the chain wheel 1, the chassis 2 is provided with a first annular step surface 9 and a second annular step surface 10, the inner diameter of the first chain wheel hole 7 is matched with the diameter of the first annular step surface 9, the inner diameter of the second chain wheel hole 8 is matched with the diameter of the second annular step surface 10,
the coaxiality of the first sprocket hole 7 and the second sprocket hole 8 is the same, and the first sprocket hole 7 is communicated with the second sprocket hole 8.
Sprocket 1 and chassis 2 be equipped with the screw at the axiality, sprocket 1 and chassis 2 bolt fastening, threaded connection mode repeatedly usable, threaded connection that the bolt adopted is more easy to dismantle than traditional connected mode such as welding, can used repeatedly, higher security simultaneously, can adopt different fastening forces as required when the bolted connection to realize different fastening effect, have better fixity, the connected mode of bolt makes difficult emergence not hard up or drops under the condition such as vibration, has fine vibration resistance, guarantees product security, difficult emergence is become flexible or drops after the bolted connection, is more suitable for some vibrations, under the frequent environment of assaulting of external force, adopts bolted connection.
The chassis 2 is provided with a through hole, bearings 4 are arranged at two ends of the through hole, and a shaft 5 penetrates through the bearings 4 and the chassis 2 and can well support rotating parts and rotate together with the rotating parts to transmit motion, torque or bending moment.
The chain wheel fixing flange 3 is arranged between the chassis 2 and the bearing 4, the chain wheel fixing flange 3 is abutted to the bearing 4, the flange adopts the principle of face sealing, the connection compactness is strong, the safe and reliable operation of the fluid conveying system can be ensured, the fluid conveying system can still stably operate under the high-temperature or high-pressure working condition, the economical efficiency is good, the flange manufacturing cost is relatively low, the assembly is simple through fixing modes such as screws or nuts, the production efficiency can be improved, and the production cost can be reduced.
Rollers 6 are arranged at two ends of the shaft 5.
The invention provides a combined type tensioning chain wheel, which adopts a combined type of a casting chassis and a carbon steel part chain wheel, and aims at the tensioning chain wheels with different specifications, wherein the casting chassis can share one type and only the externally-arranged carbon steel part chain wheel can be replaced; the casting chassis only needs to be provided with a set of die, the casting chassis and the carbon steel sprocket wheel are combined, and when the carbon steel sprocket wheel is cut in a blanking mode, the hollow part in the middle can be used for processing the sprocket wheel fixing flange through jacking, so that the utilization rate of raw materials is improved, the cost is saved, and the casting chassis is manufactured in a lean way.
Example 2:
the combined tension chain wheel comprises a chain wheel 1, a chassis 2 and a shaft 5, wherein a first chain wheel hole 7 and a second chain wheel hole 8 are respectively arranged at two ends of the chain wheel 1, a first annular step surface 9 and a second annular step surface 10 are arranged on the chassis 2, the inner diameter of the first chain wheel hole 7 is matched with the diameter of the first annular step surface 9, and the inner diameter of the second chain wheel hole 8 is matched with the diameter of the second annular step surface 10.
And (3) a processing stage:
1. the chassis 2 is cast and molded by HT 250; the chassis 2 and the mounting surface of the chain wheel 1 are required to be milled to control the roughness to be Ra12.5 and the flatness to be 0.05; the roughness of the mounting position of the hole wall of the chassis 2 and the bearing 4 is controlled to be Ra1.6, and the roughness of other positions are controlled to be Ra12.5; the roughness of the clamp spring groove is controlled at Ra3.2; the concentricity of the bearing mounting hole relative to the central line is controlled to be 0.02, and the flatness is controlled to be 0.05; a phi 13 fixing hole and a phi 10 pin hole bottom hole (used for installing a chain wheel) are drilled on the mounting surfaces of the chassis 2 and the chain wheel 1;
2. the sprocket 1 is formed by flame cutting, and the inner circle part is reserved (used for processing the fixed flange); milling steps, wherein the roughness of the mounting surfaces of the chassis 2 and the chain wheel 1 is controlled to be Ra12.5; punching; processing the tooth type in a processing center, wherein the concentricity of a chain wheel reference circle relative to the axis is controlled to be 0.1, and the circle run-out tolerance is controlled to be 0.2;
3. the chain wheel fixing flange 3 is fed by the surplus material of the chain wheel 1; flame cutting, milling steps and punching.
According to the method for manufacturing the combined tension chain wheel, provided by the invention, the roughness, concentricity and flatness are controlled in the required range through processing on the surfaces of the chain wheel 1 and the chassis 2, so that reasonable precision is ensured, and the chain wheel and the chassis can be accurately assembled.
Example 3:
the combined tension chain wheel shown in fig. 7 comprises a chain wheel 1, a chassis 2 and a shaft 5, wherein a first chain wheel hole 7 and a second chain wheel hole 8 are respectively arranged at two ends of the chain wheel 1, the chassis 2 is provided with a first annular step surface 9 and a second annular step surface 10, the inner diameter of the first chain wheel hole 7 is matched with the diameter of the first annular step surface 9, and the inner diameter of the second chain wheel hole 8 is matched with the diameter of the second annular step surface 10.
And (3) an assembly stage:
1. sleeving the chain wheel fixing flange 3 into the shaft to be tightly attached to the shaft shoulder;
2. after the chassis 2, the bearing 4, the shaft sleeve and other related components are installed, the related components are sleeved into the shaft 5 to be tightly attached to the chain wheel fixing flange 3;
3. the related components such as the idler wheels 6 are sleeved into the shaft 5 and tightly attached to the bearing 4, the chain wheel 1 with corresponding specification is installed on the chassis 2 according to actual needs, when the chain wheel is installed, the concentricity of the reference circle of the chain wheel 1 relative to the axis is controlled to be 0.2, and after the chain wheel is fixed by an M12 bolt component, a locating pin is arranged;
4. after the assembly is completed, the infrared ray is used for detecting the circle runout tolerance of the gear teeth: the method comprises the steps of mounting a chain wheel assembly on a detection tool, driving a chain wheel on one side through a chain by using a motor, respectively mounting an infrared emitter and an infrared receiver on two sides of a gear tooth position where the chain wheel is not meshed with the chain, enabling the chain wheel to rotate for 2-3 circles after running stably, judging jump according to received signals, and detecting the chain wheels on two sides;
5. when the later maintenance needs to replace the chain wheel: taking out the positioning pin, loosening the nut, taking the old chain wheel 1 out of the chassis 2, replacing the new chain wheel, putting on the M12 bolt assembly after the position is adjusted, and locking; at this time, there are two schemes for driving the locating pin: firstly, replacing a positioning pin with the outer diameter larger than 12mm, and punching a pin by taking an original phi 12 pin hole as a bottom hole; and (2) replacing the position which does not interfere with the casting chassis in the step (2), firstly punching a phi 10 bottom hole, and then punching a D12 locating pin.
The invention provides an assembling method for manufacturing a combined tension chain wheel, which comprises the steps of mounting a chain wheel assembly on a detection tool, driving a chain wheel on one side by a motor through a chain, respectively mounting an infrared transmitter and an infrared receiver on two sides of a gear tooth position where the chain wheel is not meshed with the chain, rotating the chain for 2-3 circles after running stably, judging jump according to received signals, and ensuring the stability of a chain wheel structure through infrared detection.
Modifications and variations of the above embodiments will be apparent to those skilled in the art in light of the above teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (10)
1. The utility model provides a combination formula tensioning sprocket, includes sprocket (1) and chassis (2) and axle (5), its characterized in that:
a first sprocket hole (7) and a second sprocket hole (8) are respectively arranged at two ends of the sprocket (1);
the chassis (2) is provided with a first annular step surface (9) and a second annular step surface (10);
the inner diameter of the first sprocket hole (7) is matched with the diameter of the first annular step surface (9), and the inner diameter of the second sprocket hole (8) is matched with the diameter of the second annular step surface (10).
2. A combined tension sprocket as in claim 1, wherein the first sprocket hole (7) and the second sprocket hole (8) are coaxial, and the first sprocket hole (7) and the second sprocket hole (8) are in communication.
3. The combined tension sprocket as set forth in claim 1, wherein the sprocket (1) and the chassis (2) are provided with screw holes at coaxiality, and the sprocket (1) and the chassis (2) are bolted.
4. The combined tension sprocket as set forth in claim 1, wherein the chassis (2) is provided with a through hole, bearings (4) are provided at both ends of the through hole, and the shaft (5) penetrates through the bearings (4) and the chassis (2).
5. A combined tension sprocket as claimed in claim 4, wherein a sprocket fixing flange (3) is arranged between the chassis (2) and the bearing (4), and the sprocket fixing flange (3) is abutted with the bearing (4).
6. A combined tension sprocket as in claim 1, wherein rollers (6) are provided at both ends of the shaft (5).
7. A method of manufacturing a composite tension sprocket as recited in claim 1 or 2 or 3 or 4 or 5 or 6, comprising the steps of:
s1 is: the chassis (2) is cast and molded by HT 250;
s2: the mounting surfaces of the chassis (2) and the chain wheel (1) are required to be milled to control the roughness to Ra12.5 and the flatness to be 0.05;
s3: the roughness of the hole wall of the through hole of the chassis (2) and the mounting position of the bearing are controlled at Ra1.6, and the roughness of other positions are controlled at Ra12.5; the roughness of the clamp spring groove is controlled at Ra3.2; the concentricity of the mounting hole of the bearing (4) relative to the central line is controlled to be 0.02, and the flatness is controlled to be 0.05;
s4: a phi 13 fixing hole and a phi 10 pin hole bottom hole are drilled on the mounting surfaces of the chassis (2) and the chain wheel (1);
s5, the chain wheel (1) is formed by flame cutting, the inner circle part is reserved, steps are milled, the roughness of the mounting surfaces of the chassis (2) and the chain wheel (1) is controlled to be Ra12.5, holes are punched, the tooth form is processed in a processing center, the concentricity of the reference circle of the chain wheel (1) relative to the axis is controlled to be 0.1, and the circle run-out tolerance is controlled to be 0.2;
s6, blanking the chain wheel fixing flange (3) by using the residual materials of the chain wheel (1), cutting by flame, milling steps and punching.
8. The method of assembling a modular tension sprocket as recited in claims 1 or 2 or 3 or 4 or 5 or 6, comprising the steps of:
step 1: sleeving the chain wheel fixing flange (3) into the shaft (5) to be tightly attached to the shaft shoulder;
step 2: after the chassis (2), the bearing (4), the shaft sleeve and other related components are installed, the chassis is sleeved into the shaft (5) to be tightly attached to the chain wheel fixing flange (3);
step 3: the method comprises the steps of sleeving relevant parts such as a roller (6) into a shaft (5) to be tightly attached to a bearing (4), mounting a sprocket wheel (1) with corresponding specification on a chassis (2) according to actual needs, controlling concentricity of a reference circle of the sprocket wheel (1) relative to an axle center to be 0.2 during mounting, and fixing the sprocket wheel with an M12 bolt assembly and then beating a locating pin;
step 4, detecting the runout tolerance of the gear tooth circle by using infrared rays after the assembly is completed;
and 5, when the later maintenance needs to replace the chain wheel: and taking out the locating pin, loosening the nut, taking off the old chain wheel (1) from the chassis (2), replacing the new chain wheel, putting on the M12 bolt assembly after the position is adjusted, and locking.
9. The method of assembling a modular tensioner of claim 8, wherein the infrared detection of tooth circle runout tolerance in step 4 is by:
the chain wheel assembly is arranged on a detection tool, a motor is used for driving a chain wheel on one side through a chain, an infrared transmitter and an infrared receiver are respectively arranged on two sides of a gear tooth position where the chain wheel (1) is not meshed with the chain, the chain wheel rotates for 2-3 circles after running stably, the jump is judged according to received signals, and the chain wheels (1) on two sides are all required to be detected.
10. The method for assembling a modular tension sprocket as recited in claim 8, wherein the step 5 of driving the locating pin has two schemes:
scheme one: replacing the positioning pin with the outer diameter larger than 12mm, and punching the pin by taking the original phi 12 pin hole as a bottom hole; scheme II: and (3) replacing the position which does not interfere with the casting chassis, firstly punching a phi 10 bottom hole, and then punching a D12 locating pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310843260.4A CN116921998A (en) | 2023-07-11 | 2023-07-11 | Combined tension chain wheel and manufacturing method and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310843260.4A CN116921998A (en) | 2023-07-11 | 2023-07-11 | Combined tension chain wheel and manufacturing method and assembly method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116921998A true CN116921998A (en) | 2023-10-24 |
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ID=88382009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310843260.4A Pending CN116921998A (en) | 2023-07-11 | 2023-07-11 | Combined tension chain wheel and manufacturing method and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116921998A (en) |
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2023
- 2023-07-11 CN CN202310843260.4A patent/CN116921998A/en active Pending
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