CN215758895U - Water conservancy water and electricity gate hoisting device - Google Patents
Water conservancy water and electricity gate hoisting device Download PDFInfo
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- CN215758895U CN215758895U CN202121589189.4U CN202121589189U CN215758895U CN 215758895 U CN215758895 U CN 215758895U CN 202121589189 U CN202121589189 U CN 202121589189U CN 215758895 U CN215758895 U CN 215758895U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 230000005611 electricity Effects 0.000 title claims description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of water conservancy and hydropower, and particularly relates to a lifting device for a water conservancy and hydropower gate, which comprises a lifting plate, a lifting frame, fixing blocks and a power adjusting box, wherein screw rods are arranged between the power adjusting box and the fixing blocks on two sides, one end of each screw rod is in power connection with the power adjusting box, the other end of each screw rod is rotatably arranged on the side wall of each fixing block through a bearing seat, a moving sleeve is arranged outside each screw rod, vertical rods are symmetrically arranged at the bottom of the outer wall of each moving sleeve along the center, and a clamping mechanism is fixedly arranged at the end part of the bottom end of each vertical rod. According to the utility model, the distance between the two clamping jaws can be adjusted to clamp the gate, and then the power adjusting box is started, so that the positions of the two moving sleeves can be respectively adjusted, thus the distance between the two gates can be simultaneously adjusted.
Description
Technical Field
The utility model belongs to the technical field of water conservancy and hydropower, and particularly relates to a lifting device for a water conservancy and hydropower gate.
Background
Water is a basic element on which human beings rely for survival, and electricity is a main energy source for social development. Water conservancy and hydropower is a technology for regulating and utilizing water energy resources by engineering or non-engineering measures on the basis of research on natural characteristics of water.
Some gates often can be built among the water conservancy water and electricity construction process and carry out rivers and cut apart, near sluice is generally installed to this type of gate, traditional gate all need promote the hoist and mount through the hoisting machine when installing, this is very convenient to the water course of single gate, but promote the operation that the hoist and mount can need a lot of follow-up regulations like this to open-type double gate, for example, distance between two gates is adjusted etc., if the distance is not enough, just need carry out secondary promotion and adjust, the distance is many, more need secondary control, therefore wait to solve the above-mentioned problem urgently, design a neotype hoisting device and replace the hoisting device among the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a water conservancy and hydropower gate lifting device which has the characteristics.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a water conservancy water and electricity gate hoisting device, includes the lift plate, the hoist and mount frame is installed along its length direction to the top tip of lift plate, the fixed block is installed along the both ends tip symmetry of its length direction to the bottom tip of lift plate, and the bottom center fixed mounting of lift plate has the power regulating box, all is equipped with the screw rod between the fixed block of power regulating box and both sides, the one end and the power regulating box power of screw rod are connected, and the other end passes through the bearing frame and rotates and install on the lateral wall of fixed block, and the externally mounted of screw rod has the removal cover, and the montant is installed along central symmetry in the outer wall bottom of removal cover, and the bottom tip fixed mounting of montant has fixture.
According to the preferable technical scheme of the water conservancy and hydropower gate lifting device, the guide rod is further arranged between the fixed block and the power adjusting box and is arranged right above the screw rod, the guide block is fixedly arranged at the center of the top of the outer wall of the movable sleeve, the guide hole which is horizontally arranged is formed in the center of the guide block, and the guide rod penetrates through the guide hole.
As a preferred technical scheme of the water conservancy and hydropower gate lifting device, the clamping mechanism comprises a fixed sleeve, sealing plates are arranged at the end parts of the two ends of the fixed sleeve along the length direction of the fixed sleeve, the fixed sleeve is vertical to a vertical rod, and fixed sleeve fixed mounting is at the bottom tip of montant, the inside regulating spindle that is equipped with of fixed sleeve, the both ends tip of regulating spindle rotates through first connecting bearing and installs in fixed sleeve, be equipped with two screw thread portions along central symmetry on the regulating spindle, two screw thread portions upward screw thread opposite direction set up, install the swivel nut in the screw thread portion, the connecting rod is installed to swivel nut outer wall bottom tip, the connecting rod is worn out the inside setting of fixed sleeve, the slide opening has been seted up on the diapire of fixed sleeve, the connecting rod runs through the slide opening setting, the slide opening sets up along the length direction of regulating spindle, the bottom tip fixed mounting of connecting rod has the clamping jaw.
According to the preferable technical scheme of the water conservancy and hydropower gate lifting device, the driven bevel gear is fixedly installed in the middle of the adjusting shaft, the installation seat is fixedly installed in the center of the top of the outer wall of the fixed sleeve, the driving motor is fixedly installed at the top of the installation seat, the driving shaft extends out of the bottom end of the driving motor, the bottom end of the driving shaft penetrates through the installation seat and penetrates through the top wall of the fixed sleeve to be arranged inside the fixed sleeve, the driving shaft is rotatably connected with the installation seat through the second connecting bearing, the driving bevel gear is fixedly installed at the bottom end of the driving shaft, and the driving bevel gear is meshed with the driven bevel gear.
According to the preferable technical scheme of the water conservancy and hydropower gate lifting device, sliding grooves are symmetrically formed in the top of the inner side wall of the fixed sleeve along the center, the sliding grooves are formed in the length direction of the adjusting shaft, the lengths of the sliding grooves and the threaded portions are equal, a sliding block is fixedly installed at the top of the outer wall of the threaded sleeve, and the end portion of the top end of the sliding block is arranged in the sliding grooves in a sliding mode.
According to the preferable technical scheme of the water conservancy and hydropower gate lifting device, the clamping jaw comprises a push plate, the push plate is vertically arranged, the push plate is fixedly mounted at the end part of the bottom end of the connecting rod, a clamping plate is arranged between the opposite surfaces of the push plate, through holes are formed in the push plate close to the four corners, mounting rods penetrate through the through holes, the end part, facing the clamping plate, of each mounting rod is fixedly mounted on the clamping plate, a buffer spring is further arranged between the clamping plate and the push plate and sleeved outside the mounting rods, a threaded section is arranged at one end, far away from the clamping plate, of each mounting rod, a limiting bolt is mounted outside the threaded section, and the limiting bolts are tightly abutted against the side wall of the push plate.
As the preferable technical scheme of the water conservancy and hydropower gate lifting device, an anti-slip pad is arranged on the end face of one end, away from the push plate, of the clamping plate.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple and reasonable structure and quick and convenient use, the distance between the two clamping jaws can be adjusted to clamp the gate, the power adjusting box is started, the positions of the two moving sleeves can be respectively adjusted, so that the distance between the two gates can be simultaneously adjusted, compared with the traditional method of respectively lifting and adjusting, a lot of time is saved, the arranged buffer spring can play a certain buffer property when the clamping plate is close to the gate, the situation that the clamping plate is not necessarily damaged due to excessive extrusion is avoided, and the prepressing force of the buffer spring can be adjusted through the limiting bolt and the threaded section, so that the utility model is suitable for gates with different thicknesses and gates made of different materials in the actual process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of a water conservancy and hydropower gate lifting device according to the present invention;
FIG. 2 is a schematic perspective view of a first threaded sleeve of a water conservancy and hydropower gate lifting device according to the present invention;
FIG. 3 is a schematic view of a clamping mechanism of a water conservancy and hydropower gate lifting device according to the present invention;
FIG. 4 is a schematic view of the structure of a clamping jaw in a water conservancy and hydropower gate lifting device of the utility model;
FIG. 5 is a schematic perspective view of a push plate of a water conservancy and hydropower gate lifting device according to the present invention;
in the figure: 1. a lifting plate; 2. a hoisting frame; 3. a fixed block; 4. a power conditioning box; 5. a screw; 6. a bearing seat; 7. moving the sleeve; 8. a vertical rod; 9. a clamping mechanism; 10. a guide bar; 11. a guide block; 12. a guide hole; 13. fixing the sleeve; 14. a sealing plate; 15. an adjustment shaft; 16. a first connecting bearing; 17. a threaded portion; 18. a threaded sleeve; 19. a connecting rod; 20. a slide hole; 21. a clamping jaw; 22. a driven bevel gear; 23. a mounting seat; 24. a drive motor; 25. a drive shaft; 26. a second connecting bearing; 27. a drive bevel gear; 28. a chute; 29. a slider; 30. pushing the plate; 31. a splint; 32. a through hole; 33. mounting a rod; 34. a buffer spring; 35. a threaded segment; 36. a limit bolt; 37. a non-slip mat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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
Referring to fig. 1-5, the present invention provides the following technical solutions: a lifting device of a water conservancy and hydropower gate comprises a lifting plate 1, wherein a lifting frame 2 is installed at the top end part of the lifting plate 1 along the length direction, in the embodiment, fixed blocks 3 are symmetrically installed at the bottom end part of the lifting plate 1 along the length direction, a power adjusting box 4 is fixedly installed at the bottom center of the lifting plate 1, screw rods 5 are respectively arranged between the power adjusting box 4 and the fixed blocks 3 at two sides, one end of each screw rod 5 is in power connection with the power adjusting box 4, the other end of each screw rod is rotatably installed on the side wall of each fixed block 3 through a bearing seat 6, a moving sleeve 7 is installed outside each screw rod 5, a vertical rod 8 is symmetrically installed at the bottom of the outer wall of each moving sleeve 7 along the center, a clamping mechanism 9 is fixedly installed at the bottom end part of each vertical rod 8, each clamping mechanism 9 can additionally operate the gate, the clamping mechanisms 9 at two sides are respectively installed on the screw rods 5 through the moving sleeves 7 at two sides, and the screw rods 5 are driven simultaneously through the power adjusting box 4, so that when the power adjusting box 4 drives the screw rods 5 on two sides to rotate, the positions of the two moving sleeves 7 can be adjusted respectively, the distance between the two gates can be adjusted simultaneously, and compared with the traditional method that the two gates are lifted and adjusted respectively, a lot of time is saved.
Specifically, in order to ensure stable movement of the movable sleeve 7 and reduce the tensile force applied to the screw 5, in this embodiment, a guide rod 10 is further disposed between the fixed block 3 and the power adjusting box 4, the guide rod 10 is disposed directly above the screw 5, a guide block 11 is fixedly mounted at the center of the top of the outer wall of the movable sleeve 7, a guide hole 12 horizontally disposed is formed in the center of the guide block 11, and the guide rod 10 penetrates through the guide hole 12.
Specifically, in order to ensure that the clamping mechanism 9 can be well clamped, in this embodiment, the clamping mechanism 9 includes a fixing sleeve 13, sealing plates 14 are installed at two end portions of the fixing sleeve 13 along a length direction of the fixing sleeve 13, the fixing sleeve 13 is perpendicular to the vertical rod 8, the fixing sleeve 13 is fixedly installed at a bottom end portion of the vertical rod 8, an adjusting shaft 15 is arranged inside the fixing sleeve 13, two end portions of the adjusting shaft 15 are rotatably installed in the fixing sleeve 13 through a first connecting bearing 16, two threaded portions 17 are symmetrically arranged on the adjusting shaft 15 along a center, the threaded directions on the two threaded portions 17 are opposite, threaded portions 17 are provided with threaded sleeves 18, a connecting rod 19 is installed at a bottom end portion of an outer wall of each threaded sleeve 18, the connecting rod 19 penetrates through the inside of the fixing sleeve 13, a sliding hole 20 is formed in a bottom wall of the fixing sleeve 13, the connecting rod 19 penetrates through the sliding hole 20, the sliding hole 20 is formed along the length direction of the adjusting shaft 15, the bottom end of the connecting rod 19 is fixedly provided with a clamping jaw 21, when the adjusting shaft 15 rotates, the distance between the two threaded sleeves 18 can be changed, the distance between the two clamping jaws 21 is indirectly driven to be adjusted, and when the distance between the two clamping jaws 21 is shortened, the gate can be clamped.
Specifically, in order to facilitate the rotation adjustment of the adjusting shaft 15, in this embodiment, the middle of the adjusting shaft 15 is fixedly provided with the driven bevel gear 22, the outer wall top center of the fixing sleeve 13 is fixedly provided with the mounting seat 23, the top of the mounting seat 23 is fixedly provided with the driving motor 24, the bottom end of the driving motor 24 extends out of the driving shaft 25, the bottom end of the driving shaft 25 penetrates through the mounting seat 23 and penetrates through the top wall of the fixing sleeve 13 to be arranged inside the fixing sleeve 13, the driving shaft 25 is rotatably connected with the mounting seat 23 through the second connecting bearing 26, the bottom end of the driving shaft 25 is fixedly provided with the driving bevel gear 27, and the driving bevel gear 27 is meshed with the driven bevel gear 22. When the driving motor 24 is started, the driving motor 24 drives the driving bevel gear 27 to rotate through the driving shaft 25, and the driving bevel gear 27 drives the adjusting shaft 15 through the driven bevel gear 22 to realize rotation adjustment.
Specifically, in order to ensure that the threaded sleeve 18 can be stably moved without rotating along with the threaded portion 17, in this embodiment, the sliding groove 28 is formed in the top of the inner side wall of the fixing sleeve 13 along the central symmetry, the sliding groove 28 is formed in the length direction of the adjusting shaft 15, the length of the sliding groove 28 is equal to that of the threaded portion 17, the sliding block 29 is fixedly mounted on the top of the outer wall of the threaded sleeve 18, and the end portion of the top end of the sliding block 29 is slidably arranged in the sliding groove 28.
Specifically, in order to ensure that clamping jaw 21 can be fine centre gripping gate, in this embodiment, clamping jaw 21 includes push pedal 30, the vertical setting of push pedal 30, push pedal 30 fixed mounting is at the bottom tip of connecting rod 19, be equipped with splint 31 between the relative one side of push pedal 30, push pedal 30 is last to be close to four corners department and has seted up through-hole 32, run through being equipped with installation pole 33 in the through-hole 32, installation pole 33 is on splint 31 towards the one end tip fixed mounting of splint 31, and still be equipped with buffer spring 34 between splint 31 and push pedal 30, buffer spring 34 cover is located installation pole 33 outside, the one end that splint 31 were kept away from to installation pole 33 is equipped with screw thread section 35, the externally mounted of screw thread section 35 has stop bolt 36, stop bolt 36 tightly supports on the lateral wall of push pedal 30. The buffer spring 34 can play a certain buffer performance when the clamping plate 31 is close to the gate, so that unnecessary damage caused by excessive extrusion of the clamping plate 31 is avoided, and the pre-pressure of the buffer spring 34 can be adjusted through the limiting bolt 36 and the threaded section 35, so that the gate with different thicknesses and gates made of different materials in the actual process are adapted.
Specifically, in order to ensure sufficient friction between the clamping plate 31 and the gate and ensure the service life of the clamping plate 31, in the embodiment, a non-slip pad 37 is installed on an end surface of the clamping plate 31 away from the push plate 30.
In this embodiment, the hoisting frame 2 and the power adjusting box 4 are known technologies that have been disclosed and widely used in daily life, and are technologies that can be frequently used by those skilled in the art, and are not described herein again.
The working principle and the using process of the utility model are as follows: the lifting plate 1 and the crane are installed and connected through the lifting frame 2, the driving motor 24 is started, the driving motor 24 drives the driving bevel gear 27 to rotate through the driving shaft 25, the driving bevel gear 27 drives the adjusting shaft 15 through the driven bevel gear 22 to realize rotation adjustment, when the adjusting shaft 15 rotates, the distance between the two screw sleeves 18 can be changed, then the distance between the two clamping jaws 21 is indirectly driven and adjusted, when the distance between the two clamping jaws 21 is shortened, the gate can be clamped, the power adjusting box 4 is started again, when the power adjusting box 4 drives the screw rods 5 on the two sides to rotate, the positions of the two moving sleeves 7 can be respectively adjusted, so that the distance between the two gates can be adjusted simultaneously, compared with the traditional method that the lifting is respectively carried out and then the adjustment is carried out, a lot of time is saved, and the buffer spring 34 can play a certain buffer performance when the clamping plate 31 is close to the gate, the prepressing force of the buffer spring 34 can be adjusted through the limiting bolt 36 and the threaded section 35, so that the gate valve is suitable for gates with different thicknesses and gates made of different materials in the actual process.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 (7)
1. The utility model provides a water conservancy water and electricity gate hoisting device, includes lifting plate (1), hoist and mount frame (2), its characterized in that are installed along its length direction to the top tip of lifting plate (1): fixed block (3) are installed along its length direction's both ends tip symmetry to the bottom tip of lifting plate (1), the bottom center fixed mounting of lifting plate (1) has power adjusting box (4), all be equipped with screw rod (5) between fixed block (3) of power adjusting box (4) and both sides, the one end and the power adjusting box (4) power of screw rod (5) are connected, the other end passes through bearing frame (6) and rotates and install on the lateral wall of fixed block (3), the externally mounted of screw rod (5) has removal cover (7), montant (8) are installed along central symmetry to the outer wall bottom of removal cover (7), the bottom tip fixed mounting of montant (8) has fixture (9).
2. A water conservancy and hydropower gate lifting device according to claim 1, characterized in that: still be equipped with guide bar (10) between fixed block (3) and power adjusting box (4), screw rod (5) are located directly over guide bar (10), and the outer wall top center fixed mounting who removes cover (7) has guide block (11), and guide hole (12) that have the level to set up are seted up at the center of guide block (11), and guide bar (10) run through guide hole (12) and set up.
3. A water conservancy and hydropower gate lifting device according to claim 2, characterized in that: the clamping mechanism (9) comprises a fixed sleeve (13), sealing plates (14) are installed at the end parts of the two ends of the fixed sleeve (13) arranged along the length direction of the fixed sleeve (13), the fixed sleeve (13) is perpendicular to the vertical rod (8), the fixed sleeve (13) is fixedly installed at the end part of the bottom end of the vertical rod (8), an adjusting shaft (15) is arranged inside the fixed sleeve (13), the end parts of the two ends of the adjusting shaft (15) are rotatably installed in the fixed sleeve (13) through a first connecting bearing (16), two threaded parts (17) are symmetrically arranged on the adjusting shaft (15) along the center, the thread directions on the two threaded parts (17) are opposite, a threaded sleeve (18) is installed on the threaded part (17), a connecting rod (19) is installed at the end part of the bottom end of the outer wall of the threaded sleeve (18), the connecting rod (19) penetrates out of the inner part of the fixed sleeve (13), a sliding hole (20) is formed in the bottom wall of the fixed sleeve (13), connecting rod (19) run through slide opening (20) and set up, and slide opening (20) set up along the length direction of regulating spindle (15), and the bottom end fixed mounting of connecting rod (19) has clamping jaw (21).
4. A water conservancy and hydropower gate lifting device according to claim 3, characterized in that: the utility model discloses a fixed gear, including adjusting shaft (15), the middle part fixed mounting of adjusting shaft (15) has driven bevel gear (22), the outer wall top center fixed mounting of fixed sleeve (13) has mount pad (23), the top fixed mounting of mount pad (23) has driving motor (24), the bottom tip of driving motor (24) stretches out there is drive shaft (25), the bottom tip of drive shaft (25) passes mount pad (23) and runs through the roof of fixed sleeve (13) and locates the inside of fixed sleeve (13), drive shaft (25) are connected with mount pad (23) rotation through second connecting bearing (26), the bottom tip fixed mounting of drive shaft (25) has initiative bevel gear (27), initiative bevel gear (27) and driven bevel gear (22) mesh mutually.
5. A water conservancy and hydropower gate lifting device according to claim 4, characterized in that: sliding grooves (28) are formed in the top of the inner side wall of the fixed sleeve (13) along the central symmetry, the sliding grooves (28) are arranged along the length direction of the adjusting shaft (15), the sliding grooves (28) are equal to the length of the threaded portion (17), a sliding block (29) is fixedly mounted on the top of the outer wall of the threaded sleeve (18), and the end portion of the top end of the sliding block (29) is slidably arranged in the sliding grooves (28).
6. A water conservancy and hydropower gate lifting device according to claim 5, characterized in that: clamping jaw (21) are including push pedal (30), the vertical setting in push pedal (30), push pedal (30) fixed mounting is at the bottom tip of connecting rod (19), be equipped with splint (31) between the relative one side in push pedal (30), push pedal (30) are gone up and are close to four corners department and have seted up through-hole (32), run through being equipped with installation pole (33) in through-hole (32), installation pole (33) are towards the one end tip fixed mounting of splint (31) on splint (31), and still be equipped with buffer spring (34) between splint (31) and push pedal (30), buffer spring (34) cover is located installation pole (33) outside, the one end that splint (31) were kept away from in installation pole (33) is equipped with screw thread section (35), the externally mounted of screw thread section (35) has limit bolt (36), limit bolt (36) tightly support on the lateral wall of push pedal (30).
7. A water conservancy and hydropower gate lifting device according to claim 6, characterized in that: and an anti-skid pad (37) is arranged on the end surface of one end of the clamping plate (31) far away from the push plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121589189.4U CN215758895U (en) | 2021-07-13 | 2021-07-13 | Water conservancy water and electricity gate hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121589189.4U CN215758895U (en) | 2021-07-13 | 2021-07-13 | Water conservancy water and electricity gate hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215758895U true CN215758895U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121589189.4U Expired - Fee Related CN215758895U (en) | 2021-07-13 | 2021-07-13 | Water conservancy water and electricity gate hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215758895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213710A (en) * | 2022-07-26 | 2022-10-21 | 江西融溢设备制造有限公司 | Tail plate machining clamp and boring machine with same |
| CN117902241A (en) * | 2024-01-24 | 2024-04-19 | 泰安市德众矿山机械有限公司 | Braking device applied to synchronous permanent magnet electric roller |
-
2021
- 2021-07-13 CN CN202121589189.4U patent/CN215758895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213710A (en) * | 2022-07-26 | 2022-10-21 | 江西融溢设备制造有限公司 | Tail plate machining clamp and boring machine with same |
| CN117902241A (en) * | 2024-01-24 | 2024-04-19 | 泰安市德众矿山机械有限公司 | Braking device applied to synchronous permanent magnet electric roller |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |