Hydraulic engineering hoist

Abstract

The utility model relates to the technical field of hoists, and discloses a hydraulic engineering hoist which comprises a hydraulic engineering gate frame, a hydraulic engineering gate matched with the hydraulic engineering gate frame is arranged in the hydraulic engineering gate frame, a hoist base is fixedly installed on the top of the hydraulic engineering gate frame, and winch opening and closing assemblies are symmetrically arranged on the two sides of the top of the hoist base. A double-end motor is fixedly installed in the middle of the top of the hoist base, each winch opening and closing assembly comprises a rotating shaft and a driving shaft, and the rotating shafts are sleeved with and fixedly connected with large gears. The double-end motor can provide power for the two winch opening and closing assemblies at the same time, it is guaranteed that the opening and closing effects of the two winch opening and closing assemblies are the same, the double-end motor drives the driving shaft to rotate, the driving shaft achieves first-stage speed reduction through the small gear and the middle gear, and the middle gear and the large gear achieve second-stage speed reduction; the rotating shaft drives the winding roller to achieve the bipolar speed reduction effect, and the accuracy of opening and closing the water conservancy gate is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of hoists, in particular to a hoist for a water conservancy project. Background Art

[0002] Gate hoists are used in various large-scale water supply and drainage, and water conservancy projects to control the lifting and lowering of various large and medium-sized cast iron gates and steel gates to achieve the purpose of opening and closing. They are divided into types: hydraulic gate hoists, winch gate hoists, door machines, handwheel gate hoists, hand-cranked gate hoists and screw-type gate hoists, among which winch gate hoists are the main type of gate opening and closing in water conservancy projects.

[0003] The published patent document with the announcement number CN216474879U discloses a gate opening and closing machine for water conservancy projects. This published patent document can effectively clean impurities on the gate, thereby preventing impurities on the gate from accumulating and hardening for a long time, causing contamination of the gate, thereby effectively extending the service life of the gate; however, the power device in the above-mentioned published patent document does not have a bipolar deceleration opening and closing function, and the accuracy of the rising and falling position control of the water conservancy gate is low. Utility Model Content

[0004] The purpose of the utility model is to provide a hydraulic engineering hoist, which solves the problems raised in the background technology.

[0005] An embodiment of the present application provides a water conservancy project gate hoist, including a water conservancy gate frame, a matching water conservancy gate is arranged inside the water conservancy gate frame, and a gate hoist base is fixedly installed on the top of the water conservancy gate frame, winch opening and closing assemblies are symmetrically arranged on both sides of the top of the gate hoist base, and a double-headed motor is fixedly installed in the middle of the top of the gate hoist base, each group of the winch opening and closing assemblies includes a rotating shaft and a drive shaft, a large gear is sleeved on and fixedly connected to the rotating shaft, one end of the drive shaft is fixedly installed to the output end of the double-headed motor, and a small gear is sleeved on and fixedly connected to the drive shaft, a middle gear is arranged between the large gear and the small gear, and the middle gear is meshed with the large gear and the small gear, a winding roller is sleeved and fixedly installed on the rotating shaft, a rope is wound around the winding roller, and the end of the rope is connected to a lifting ring.

[0006] By adopting the above technical solution, the double-headed motor can provide power for the two winch opening and closing components at the same time, and ensure that the opening and closing effects of the two winch opening and closing components are the same. The double-headed motor drives the drive shaft to rotate, and the drive shaft realizes two-stage deceleration through the small gear, medium gear and large gear, so that the rotating shaft drives the winding roller to achieve a bipolar deceleration effect, thereby ensuring the accuracy of opening and closing the water conservancy gate.

[0007] Optionally, a grinding wheel is sleeved on and fixedly connected to the rotating shaft, and rear plates are fixedly connected on both sides of the rear part of the gate opening and closing machine base. An electric cylinder is fixedly installed on the rear side of the rear plate, and the output end of the electric cylinder passes through the rear plate and is fixedly installed with an arc part, and a brake pad matching the grinding wheel is fixedly installed on the inner wall of the arc part.

[0008] By adopting the above technical solution, the electric cylinder drives the arc part to move, so that the brake pad on the arc part contacts and abuts against the grinding wheel, thereby braking the rotating shaft to prevent the water conservancy gate from falling after being lifted, thereby increasing safety.

[0009] Optionally, both sides of the top of the water conservancy gate are fixedly connected with slide rails, and the bottom of the lifting ring is fixedly installed with a slider matching the slide rails, and the slider is located inside the slide rails.

[0010] By adopting the above technical solution, during the process of rope winding or releasing, the lifting eye is always located directly below the rope winding point or release point, thereby preventing the rope from being subjected to additional lateral tension and protecting the rope.

[0011] Optionally, two support blocks are fixedly connected to both sides of the top of the gate hoist base, and both ends of the rotating shaft are rotatably mounted on the two support blocks.

[0012] By adopting the above technical solution, the stability of the rotation of the shaft is guaranteed.

[0013] Optionally, both sides of the front portion of the gate hoist base are fixedly connected with support members, one end of the drive shaft is rotatably mounted on the support member, and the middle gear is rotatably mounted on the support member.

[0014] By adopting the above technical solution, the stability of the rotation of the drive shaft and the middle gear is ensured.

[0015] Optionally, a sealing strip is provided at the contact portion between the hydraulic gate and the hydraulic gate frame.

[0016] By adopting the above technical solution, the sealing between the water conservancy gate and the water conservancy gate frame is ensured.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. The technical solution of this application can provide power for two winch opening and closing components at the same time through a double-headed motor, and ensure that the opening and closing effects of the two winch opening and closing components are the same. The double-headed motor drives the drive shaft to rotate, and the drive shaft realizes a first-stage deceleration through the small gear and the middle gear, and realizes a second-stage deceleration through the middle gear and the large gear, so that the rotating shaft drives the winding roller to achieve a bipolar deceleration effect, thereby ensuring the accuracy of opening and closing the water conservancy gate.

[0019] 2. The technical solution of this application uses an electric cylinder to drive the arc part to move, so that the brake pads on the arc part come into contact with the grinding wheel, thereby braking the rotating shaft to prevent the water conservancy gate from falling after being lifted, thereby increasing safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 This is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a structural diagram of the hoist base and the hoist assembly of the utility model;

[0023] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0024] In the figure: 1. Hydraulic gate frame; 2. Hydraulic gate; 3. Hoist base; 4. Winch hoist assembly; 41. Rotating shaft; 42. Large gear; 43. Medium gear; 44. Small gear; 45. Winding roller; 46. Rope; 47. Lifting ring; 48. Drive shaft; 5. Double-headed motor; 6. Slide rail; 7. Slider; 8. Support block; 9. Support member; 10. Grinding wheel; 11. Rear plate; 12. Electric cylinder; 13. Arc member; 14. Brake pad. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0026] See also Figure 1-3The utility model provides a technical solution: it includes a water conservancy gate frame 1, a matching water conservancy gate 2 is arranged inside the water conservancy gate frame 1, and a hoist base 3 is fixedly installed on the top of the water conservancy gate frame 1, and a winch opening and closing assembly 4 is symmetrically arranged on both sides of the top of the hoist base 3, and a double-headed motor 5 is fixedly installed in the middle of the top of the hoist base 3, each set of winch opening and closing assemblies 4 includes a rotating shaft 41 and a driving shaft 48, a large gear 42 is sleeved on the rotating shaft 41 and fixedly connected, one end of the driving shaft 48 is fixedly installed with the output end of the double-headed motor 5, and a small gear 44 is sleeved on the driving shaft 48 and fixedly connected, a middle gear 43 is arranged between the large gear 42 and the small gear 44, and the middle gear 43 is meshed with the large gear 42 and the small gear 44, a winding roller 45 is sleeved and fixedly installed on the rotating shaft 41, a rope 46 is wound around the winding roller 45, and the end of the rope 46 is connected with a lifting ring 47;

[0027] In this technical solution, the double-headed motor 5 can provide power for the two winch opening and closing components 4 at the same time, and ensure that the opening and closing effects of the two winch opening and closing components 4 are the same. The double-headed motor 5 drives the drive shaft 48 to rotate, and the drive shaft 48 realizes a first-stage deceleration through the small gear 44 and the middle gear 43, and a second-stage deceleration through the middle gear 43 and the large gear 42, so that the rotating shaft 41 drives the winding roller 45 to achieve a bipolar deceleration effect, thereby ensuring the accuracy of opening and closing the water conservancy gate 2.

[0028] In some technical solutions, such as Figure 3 As shown, a grinding wheel 10 is sleeved on and fixedly connected to the rotating shaft 41, and rear plates 11 are fixedly connected to both sides of the rear part of the gate opening and closing machine base 3. An electric cylinder 12 is fixedly installed on the rear side of the rear plate 11. The output end of the electric cylinder 12 passes through the rear plate 11 and is fixedly installed with an arc part 13. The inner wall of the arc part 13 is fixedly installed with a brake pad 14 matching the grinding wheel 10.

[0029] During use, the electric cylinder 12 drives the arc part 13 to move, so that the brake pad 14 on the arc part 13 contacts and abuts against the grinding wheel 10, thereby braking the rotating shaft 41 to prevent the water conservancy gate 2 from falling after being lifted, thereby increasing safety.

[0030] In some technical solutions, such as Figure 1-2 As shown, both sides of the top of the water conservancy gate 2 are fixedly connected with slide rails 6, and the bottom of the lifting ring 47 is fixedly installed with a slider 7 matching the slide rails 6, and the slider 7 is inside the slide rails 6.

[0031] When in use, the slider 7 inside the slide rail 6 can ensure that the eye 47 is always directly below the winding point or release point of the rope 46 during the winding or releasing process of the rope 46, preventing the rope 46 from being subjected to additional lateral tension and protecting the rope 46.

[0032] In some technical solutions, such as Figure 3 As shown, two support blocks 8 are fixedly connected to both sides of the top of the gate hoist base 3, and both ends of the rotating shaft 41 are rotatably mounted on the two support blocks 8.

[0033] During use, the support block 8 ensures the stability of the rotation of the rotating shaft 41 .

[0034] In some technical solutions, such as Figure 3 As shown, both sides of the front of the gate hoist base 3 are fixedly connected with support members 9, one end of the drive shaft 48 is rotatably mounted on the support member 9, and the middle gear 43 is rotatably mounted on the support member 9.

[0035] During use, the support member 9 ensures the stability of the rotation of the drive shaft 48 and the middle gear 43 .

[0036] In some technical solutions, such as Figure 1 As shown, a sealing strip is provided at the contact portion between the water conservancy gate 2 and the water conservancy gate frame 1 .

[0037] When in use, the sealing between the water conservancy gate 2 and the water conservancy gate frame 1 is ensured.

[0038] Working principle: During use, the double-headed motor 5 drives the drive shaft 48 to rotate, and the drive shaft 48 realizes the first-stage deceleration through the small gear 44 and the middle gear 43, and the middle gear 43 and the large gear 42 realize the second-stage deceleration, so that the rotating shaft 41 drives the winding roller 45 to achieve a bipolar deceleration effect, ensuring the accuracy of opening and closing the water conservancy gate 2, and through the slider 7 inside the slide rail 6, the lifting ring 47 can always be directly below the winding point or release point of the rope 46 during the winding or releasing process of the rope 46 to prevent the rope 46 from being subjected to additional lateral tension, and after the water conservancy gate 2 is lifted, the electric cylinder 12 drives the arc part 13 to move, so that the brake pad 14 on the arc part 13 contacts and resists the grinding wheel 10, and the rotating shaft 41 can be braked to prevent the water conservancy gate 2 from falling after being lifted, thereby increasing safety.

[0039] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A hydraulic engineering hoist, comprising a hydraulic gate frame (1), characterized in that: A matching hydraulic gate (2) is provided inside the hydraulic gate frame (1), and a gate hoist base (3) is fixedly installed on the top of the hydraulic gate frame (1), winch opening and closing components (4) are symmetrically provided on both sides of the top of the gate hoist base (3), and a double-headed motor (5) is fixedly installed in the middle of the top of the gate hoist base (3), each group of the winch opening and closing components (4) includes a rotating shaft (41) and a drive shaft (48), a large gear (42) is sleeved on the rotating shaft (41) and fixedly connected, and the drive shaft (48) is provided with a plurality of gears (41) and a plurality of gears (42) and a plurality of gears (43) arranged on the rotating shaft (41). One end of the double-headed motor (8) is fixedly installed with the output end of the double-headed motor (5), and a small gear (44) is sleeved on the driving shaft (48) and fixedly connected. A middle gear (43) is provided between the large gear (42) and the small gear (44), and the middle gear (43) is meshed with the large gear (42) and the small gear (44). A winding roller (45) is sleeved on the rotating shaft (41) and fixedly installed. A rope (46) is wound around the winding roller (45), and the end of the rope (46) is connected to a hanging ring (47).

2. A hydraulic engineering hoist according to claim 1, characterized in that: A grinding wheel (10) is sleeved on and fixedly connected to the rotating shaft (41); rear plates (11) are fixedly connected to both sides of the rear portion of the gate opening and closing machine base (3); an electric cylinder (12) is fixedly installed on the rear side of the rear plate (11); an output end of the electric cylinder (12) passes through the rear plate (11) and is fixedly installed with an arc part (13); a brake pad (14) matching the grinding wheel (10) is fixedly installed on the inner wall of the arc part (13).

3. A hydraulic engineering hoist according to claim 1, characterized in that: Both sides of the top of the water conservancy gate (2) are fixedly connected with slide rails (6), and the bottom of the hanging ring (47) is fixedly installed with a slider (7) matching the slide rail (6), and the slider (7) is located inside the slide rail (6).

4. A hydraulic engineering hoist according to claim 1, characterized in that: Two support blocks (8) are fixedly connected to both sides of the top of the gate hoist base (3), and both ends of the rotating shaft (41) are rotatably mounted on the two support blocks (8).

5. The hydraulic engineering hoist according to claim 1, characterized in that: Both sides of the front of the gate hoist base (3) are fixedly connected with support members (9), one end of the drive shaft (48) is rotatably mounted on the support member (9), and the middle gear (43) is rotatably mounted on the support member (9).

6. A hydraulic engineering hoist according to claim 1, characterized in that: A sealing strip is provided at the contact portion between the water conservancy gate (2) and the water conservancy gate frame (1).

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