CN214089736U - Lifting device for reservoir dam gate - Google Patents

Abstract

The application relates to a lifting device for a reservoir dam gate, which comprises a main gate plate and an auxiliary gate plate, the main gate plate and the auxiliary gate plate are opposite and parallel, a distance adjusting device is rotatably connected between the main gate plate and the auxiliary gate plate, the distance adjusting device comprises a first distance adjusting component, the first distance adjusting component comprises a first threaded rod, one end of the first threaded rod is in threaded connection with a main threaded pipe which is fixedly connected to the plate surface of the main gate plate on the side facing the auxiliary gate plate, the other end of the first threaded rod is in threaded connection with an auxiliary threaded pipe which is fixedly connected on the plate surface of the auxiliary gate plate facing to one side of the main gate plate, the first threaded rod is provided with a driving device for driving the first threaded rod to rotate, and the main gate plate and the auxiliary gate plate are provided with lifting devices for driving the main gate plate and the auxiliary gate plate to lift along the vertical direction. This application has the effect that reduces the frictional resistance of gate in lift in-process.

Description

Lifting device for reservoir dam gate

Technical Field

The application relates to the technical field of hydraulic engineering, in particular to a lifting device for a dam gate of a reservoir.

Background

In hydraulic engineering, a gate is often used to regulate the flow of a reservoir dam and control the water level of the reservoir dam, and the gate is one of important devices for opening and closing a channel of the reservoir dam.

The gate is generally installed in dam body water passageway department, and the gate need be followed dam body gate slot or other barriers along vertical direction's both sides and is hugged closely for rivers are difficult to be walked around the gate and are passed from the gap between gate and the dam foundation gate slot, thereby make the regulation and control effect of gate to the flow of reservoir dam better.

Aiming at the related technologies, the inventor thinks that people generally open and close the gate in an up-and-down lifting mode, but because two sides of the gate along the vertical direction are tightly attached to the dam foundation gate slot or other barriers, the gate is subjected to large frictional resistance in the lifting process, so that two sides of the gate are easily abraded in the lifting process, gaps are easily left between the gate and the dam foundation gate slot, and the sealing effect of the gate is further deteriorated.

SUMMERY OF THE UTILITY MODEL

In order to reduce the frictional resistance of gate in the lift in-process, this application provides a reservoir dam gate elevating gear.

The application provides a pair of reservoir dam gate elevating gear adopts following technical scheme:

the utility model provides a reservoir dam gate elevating gear, includes main gate board and vice gate board, main gate board is relative and parallel with vice gate board, it is connected with roll adjustment device to rotate between main gate board and the vice gate board, roll adjustment device includes first roll adjustment subassembly, first roll adjustment subassembly includes first threaded rod, first threaded rod one end threaded connection has main screwed pipe, main screwed pipe fixed connection is on the face of main gate board towards vice gate board one side, first threaded rod other end threaded connection has vice screwed pipe, vice screwed pipe fixed connection is on the face of vice gate board towards main gate board one side, be equipped with the first threaded rod pivoted drive arrangement of drive on the first threaded rod, be equipped with the elevating gear that drive main gate board and vice gate board go up and down along vertical direction on main gate board and the vice gate board.

By adopting the technical scheme, the main gate plate and the auxiliary gate plate are opposite and parallel, the distance adjusting device is rotatably connected between the main gate plate and the auxiliary gate plate and comprises the first distance adjusting component, the first distance adjusting component comprises the first threaded rod, the first threaded rod can be stably and rotatably connected onto the main gate plate and the auxiliary gate plate, the first threaded rod is connected onto the main gate plate and the auxiliary gate plate through the threads on the main threaded pipe and the auxiliary threaded pipe, and the main threaded pipe and the auxiliary threaded pipe are mutually reverse threads, so that when the driving device drives the first threaded rod to rotate, the main threaded pipe and the auxiliary threaded pipe move towards opposite or opposite directions along the axial direction of the first threaded rod, the main gate plate and the auxiliary gate plate move towards opposite or opposite directions along the axial direction parallel to the first threaded rod, and the distance between the main gate plate and the auxiliary gate plate is adjusted, when the lifting device drives the main gate plate and the auxiliary gate plate to descend to a required position, the driving device drives the first threaded rod to rotate, so that the main gate plate and the auxiliary gate plate move towards opposite positions in the rotating process of the first threaded rod, the surfaces, far away from each other, of the main gate plate and the auxiliary gate plate are respectively abutted against the dam wall, further the main gate plate and the auxiliary gate plate are not easy to generate gaps with the dam wall, water flow is not easy to flow out of the gaps, when the lifting device needs to drive the main gate plate and the auxiliary gate plate to ascend, the driving device drives the first threaded rod to rotate, so that the main gate plate and the auxiliary gate plate approach towards opposite directions, and the main gate plate and the auxiliary gate plate are separated from the dam wall, then starting the lifting device, so that the main water retaining plate and the auxiliary gate plate are lifted, and the main gate plate and the auxiliary gate plate are not in contact with the dam wall in the lifting and descending processes of the main gate plate and the auxiliary gate plate, therefore, the main gate plate and the auxiliary gate plate are not easy to rub the dam wall in the lifting and descending processes, so that the friction force of the gate in the lifting process is reduced, gaps are not easy to be left between the gate and the dam foundation gate slot, and the sealing effect of the gate is better.

Preferably, the roll adjustment device still includes the second roll adjustment subassembly, the second roll adjustment subassembly is symmetrical with first roll adjustment subassembly, the first belt pulley of fixedly connected with on the first threaded rod, include the second threaded rod on the second roll adjustment subassembly, the cover is equipped with driving pulley between second belt pulley on the second threaded rod and the first belt pulley.

Through adopting above-mentioned technical scheme, through the setting of roll adjustment device, make the belt pulley on the first threaded rod, the belt pulley on the second threaded rod, the cooperation of the drive belt between first belt pulley and the second belt pulley is located to the cover, when drive arrangement drive first threaded rod rotates, first belt pulley rotates along with first threaded rod, make drive belt pulley drive second belt pulley rotate, thereby make first threaded rod and second threaded rod synchronous regulation main gate board and the distance between the vice gate board, when making between main gate board and the vice gate board need the regulation distance, be favorable to the atress dispersion, make first threaded rod and second threaded rod be difficult for the atress too big production to warp, make the stability of being connected between main gate board and the vice gate board improve simultaneously, make main gate board and vice gate board and dam basic gate groove be difficult for leaving the clearance.

Preferably, two groups of distance adjusting devices are arranged on the main gate panel and the auxiliary gate panel, the horizontal sections of the transmission belts of the two groups of distance adjusting devices are parallel, a linkage belt is further sleeved between the two groups of first belt pulleys, and the horizontal section of the linkage belt is perpendicular to the horizontal section of the transmission belt.

Through adopting above-mentioned technical scheme, through setting up two sets of roll adjustment devices, make the atress department between main gate board and the vice gate board increase, thereby make the stability between main gate board and the vice gate board further improve, make main gate board and vice gate board still be difficult for producing relative displacement when receiving great water pressure, because the horizontal segment of two sets of roll adjustment device's driving belt is parallel, still the cover is equipped with the linkage belt between two sets of first belt pulleys, the horizontal segment perpendicular to driving belt wheel's of linkage belt horizontal segment makes two sets of roll adjustment device linkages, only need a power supply alright adjust the distance between main gate board and the vice gate board, make the distance between main gate board and the vice gate board realize synchronous control.

Preferably, the driving device comprises a driven bevel gear fixedly connected to the threaded rod, the driven bevel gear is meshed with a transmission bevel gear, an expansion piece is fixedly connected to the transmission bevel gear, a driving piece is fixedly connected to the expansion piece, and the driving piece is located above a cross beam of the portal frame.

Through adopting above-mentioned technical scheme, through drive arrangement's setting for the drive piece passes through telescopic link drive gear and rotates, thereby makes drive gear drive driven gear rotate, and driven gear rotates and drives first threaded rod screw thread rotation, thereby makes the drive piece comparatively convenient to the rotation regulation of first threaded rod.

Preferably, the ratio of the radius of the transmission bevel gear to the radius of the driven bevel gear is (6: 1) - (3: 1).

By adopting the technical scheme, the radius ratio of the transmission bevel gear to the driven bevel gear is controlled to be (6: 1) - (3: 1), so that the distance between the main gate plate and the auxiliary gate plate is not greatly changed when the driving part rotates, and when the distance between the main gate plate and the auxiliary gate plate needs to be adjusted, the distance between the main gate plate and the auxiliary gate plate is better in regulation and control effect.

Preferably, the extensible member includes one end confined sleeve, sleeve blind end fixed connection is on drive gear, the cover bar is equipped with to the cover intraductal cover, sleeve blind end fixedly connected with spring, sleeve blind end one end fixed connection is kept away from to the spring at the terminal surface of cover bar, the spring is in compression state all the time, be equipped with the spacing subassembly of restriction sleeve pipe and the relative rotation of cover bar between sleeve pipe and the cover bar, cover bar and active member fixed connection.

Through adopting above-mentioned technical scheme, through the setting of sleeve and loop bar and spring for main gate board and vice gate board need go up and down, the length of telescopic part can be adjusted with the position that main gate board goes up and down to sleeve and loop bar cooperation, and the spring is in compression state all the time, makes drive gear keep with the state of driven gear butt, thereby keeps the control of driving part to first threaded rod is rotatory.

Preferably, the limiting assembly comprises a limiting block fixedly connected to the side wall of the loop bar, the limiting block is in a long strip shape, the length direction of the limiting block is parallel to the axis direction of the auxiliary loop bar, and a limiting groove matched with the limiting block is formed in the inner wall of the main loop bar in a concave mode.

Through adopting above-mentioned technical scheme, through the setting of spacing subassembly, through the cooperation of stopper and spacing groove for when the initiative piece drive loop bar rotates, make difficult production relative rotation between sleeve and the loop bar, thereby make sleeve and the difficult rotation that produces the horizontal direction of loop bar, thereby make the initiative piece to the rotatory control effect preferred of first threaded rod.

Preferably, elevating gear includes the connecting plate, the connecting plate is located the top of main gate board and vice gate board, be equipped with the regulation punch combination on the connecting plate, it includes main regulation hole and vice regulation hole to adjust the punch combination, the main regulation hole is rectangular shape through-hole, the length direction in main regulation hole is on a parallel with the length direction of first screw, vice regulation hole sets up with main regulation hole symmetry, main gate board sliding connection is on main regulation hole, vice gate board sliding connection is on vice regulation hole.

Through adopting above-mentioned technical scheme, through the setting of connecting plate for main gate board and vice gate board realize synchronous lift, thereby make main gate board and the difficult dislocation of vice gate board pass through the main regulation hole is rectangular shape hole, the length direction in main regulation hole is on a parallel with the length direction of first screw and makes the distance between main gate board and the vice gate board convenient adjustable, through go on in step when vice regulation hole sets up the distance between making vice gate board and the main gate board with main regulation hole symmetry.

Preferably, the main brake door panel fixedly connected with main connecting rod, the main connecting rod radius is less than main regulation hole width, the main connecting rod runs through main regulation hole, main connecting rod keeps away from main brake door panel one end fixedly connected with main hanger plate, the radius of main hanger plate is greater than the radius in main regulation hole.

Through adopting above-mentioned technical scheme, make main gate board sliding connection on main regulation hole through the cooperation of main connecting rod and main hanger plate for the stability preferred of main gate board and the sliding connection of connecting plate, main gate board and the difficult separation of connecting plate.

Preferably, the adjusting hole groups are distributed on the connecting plate symmetrically about the center of the connecting plate in two groups.

Through adopting above-mentioned technical scheme for the atress dispersion on the connecting plate on main gate board and the vice gate board, thereby make main gate board and vice gate board and connecting plate if dynamic stability further improves.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through main gate board and vice gate board rise with the decline in-process, main gate board and vice gate board all do not produce the contact with the dam body wall, consequently, main gate board and vice gate board rise with the decline in-process be difficult for producing the friction with the dam body wall to make the gate reduce at the frictional force of lift in-process, consequently the gate is difficult for leaving the clearance with the dam body gate slot, the sealed effect of gate is preferred.

2. Through the setting of roll adjustment device for first threaded rod and the difficult too big production of atress of second threaded rod warp, make simultaneously that the connection stability between main gate board and the vice gate board improves, make main gate board and vice gate board and dam body gate slot be difficult for leaving the clearance.

3. By arranging the two groups of distance adjusting devices, the distance between the main gate plate and the auxiliary gate plate can be adjusted by only one power source, so that the distance between the main gate plate and the auxiliary gate plate can be synchronously adjusted;

4. through drive arrangement's setting for the initiative piece passes through telescopic link drive gear and rotates, thereby makes drive gear drive driven gear rotate, and driven gear rotates and drives first threaded rod screw thread rotation, thereby makes the initiative piece comparatively convenient to the rotation regulation of first threaded rod.

Drawings

Fig. 1 is a schematic overall structure diagram of a lifting device of a reservoir dam gate in an embodiment of the present application.

Fig. 2 is a schematic view illustrating an internal structure between a main gate plate and a sub-gate plate in the lifting device of a dam gate according to the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of the structure of the part a.

Description of reference numerals: 1. a gantry; 11. a cross beam; 111. a second support frame; 112. a first support frame; 2. a dam foundation gate slot; 3. a main shutter plate; 4. a sub-shutter plate; 41. a secondary connecting rod; 42. an auxiliary hanger plate; 5. a lifting device; 50. a connecting plate; 51. adjusting the group of holes; 511. a main adjustment hole; 512. an auxiliary adjustment hole; 52. a lifting hand wheel; 53. a lifting screw; 6. a drive device; 61. a driven bevel gear; 62. a drive bevel gear; 63. a sleeve; 631. a spring; 64. a loop bar; 641. a limiting block; 7. a first threaded rod; 71. a drive pulley; 72. a sub-sleeve; 73. a linkage belt; 74. a first pulley; 75. a second pulley.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses reservoir dam gate elevating gear 5. Referring to fig. 1 and 2, the reservoir dam gate lifting device 5 comprises a main gate plate 3 and an auxiliary gate plate 4 which are installed below a portal frame 1, the lifting device 5 drives the main gate plate 3 and the auxiliary gate plate 4 to lift, a distance adjusting mechanism for adjusting the distance between the main gate plate 3 and the auxiliary gate plate 4 is arranged between the main gate plate 3 and the auxiliary gate plate 4, the distance adjusting mechanism comprises a threaded rod, and a driving device 6 for driving the threaded rod to rotate is arranged on the threaded rod.

Referring to fig. 1 and 2, the lifting device 5 includes a connecting plate 50, the connecting plate 50 is in a rectangular plate shape, the length direction of the connecting plate 50 is parallel to the length direction of the beam 11 of the gantry 1, a lifting screw 53 is fixedly connected to the center of the plate surface of the connecting plate 50, the connecting plate 50 is perpendicular to the lifting screw 53, the lifting screw 53 penetrates through the beam 11, a lifting hand wheel 52 is fixedly connected to the lifting screw 53, the lifting hand wheel 52 is located above the beam 11 and close to the beam 11, and the lifting hand wheel 52 is close to one end of the lifting screw 53, which is far away from the connecting plate 50.

Referring to fig. 1, a first support frame 112 is arranged on the cross beam 11, the first support frame 112 is in a trapezoid plate shape, a support hole penetrates through the center of a flat plate of the first support frame 112, a first bearing is fixedly connected in the support hole, and the lifting screw 53 is fixedly connected to an inner ring of the bearing.

Referring to fig. 3, two sets of adjusting holes 51 are arranged on the connecting plate 50, the adjusting holes 51 are symmetrically distributed on the connecting plate 50 about the center of the connecting plate 50, the distance between the adjusting holes 51 and the end of the connecting plate 50 is one fourth of the length of the connecting plate 50, the adjusting holes 51 comprise a main adjusting hole 511 and an auxiliary adjusting hole 512, the main adjusting hole 511 is a long strip-shaped through hole, the length direction of the main adjusting hole 511 is perpendicular to the length direction of the connecting plate 50, the length of the main adjusting hole 511 is one fourth of the width of the connecting plate 50, and the central connecting line of the main adjusting hole 511 and the auxiliary adjusting hole 512 is parallel to the width direction of the connecting plate 50.

Referring to fig. 2 and 3, the main shutter plate 3 is rectangular plate-shaped, the main shutter plate 3 is located below the connecting plate 50, the side of the main shutter plate 3 is fixedly connected with a main connecting rod, the main connecting rod is a round rod, the main connecting rod is perpendicular to the main shutter plate 3, the main connecting rods are two in number and are symmetrically located on the side of the main shutter plate 3, the radius of the connecting rod is smaller than the width of the main adjusting hole 511, the main connecting rod penetrates through the main adjusting hole 511, the ends, far away from the main shutter plate 3, of the two main connecting rods are respectively and fixedly connected with a main hanger plate, the main hanger plate is circular plate-shaped, the main hanger plate is parallel to the main connecting plate 50, and the radius of the main hanger plate is larger than the width of the main adjusting hole 511.

Referring to fig. 3, the auxiliary gate plate 4 is symmetrical and parallel with respect to the main gate plate 3, an auxiliary connecting rod 41 is fixedly connected to the auxiliary gate plate 4, the auxiliary connecting rod 41 is symmetrical with respect to the main connecting rod, the auxiliary connecting rod 41 penetrates through the auxiliary adjusting hole 512, an auxiliary hanging plate 42 is fixedly connected to one end of the auxiliary connecting rod 41 away from the auxiliary gate plate 4, and the auxiliary hanging plate 42 is symmetrical with respect to the main hanging plate.

Referring to fig. 3, the roll adjustment device includes first roll adjustment subassembly and second roll adjustment subassembly, first roll adjustment subassembly is including rotating first threaded rod 7 of connecting between main gate board 3 and vice gate board 4, fixedly connected with main screwed pipe on the face of main gate board 3 towards vice gate board 4, the perpendicular main gate board 3 of main screwed pipe, threaded connection has first threaded rod 7 on the main screwed pipe, main screwed pipe one end threaded connection has vice screwed pipe is kept away from to first threaded rod 7, the screw thread on the vice screwed pipe and the screw thread on main first threaded rod 7 are reverse screw thread each other, vice screwed pipe fixed connection is on vice gate board 4 towards the face of main gate board 3, second roll adjustment subassembly and first roll adjustment subassembly are about the screw axis symmetry.

Referring to fig. 3, a first belt pulley 74 is fixedly connected to the first threaded rod 7, a second belt pulley 75 is fixedly connected to the second threaded rod of the second distance adjusting assembly, and a transmission belt is sleeved between the first belt pulley 74 and the second belt pulley 75.

Referring to fig. 3, a driven bevel gear 61 is fixedly connected to the first threaded rod 7, the driven bevel gear 61 is engaged with a transmission bevel gear 62, and the ratio of the radius of the transmission bevel gear 62 to the radius of the driven bevel gear 61 is 6: 1.

Referring to fig. 3, the transmission bevel gear 62 is fixedly connected with an expansion member, the expansion member includes a main loop bar 64, the main loop bar 64 is a circular cylinder with an opening at one end, the length direction of the main loop bar 64 is parallel to the vertical direction, and the main loop bar 64 is fixedly connected to the transmission bevel gear 62.

Referring to fig. 3, the main sleeve 63 is sleeved with a sub-sleeve 64, and the radius of the sub-sleeve 64 is smaller than that of the main sleeve 63.

Referring to fig. 3, a limiting assembly for limiting the relative rotation between the main loop bar 64 and the auxiliary loop bar 64 is disposed between the main loop bar 64 and the auxiliary loop bar 64, the limiting assembly includes a limiting block 641, the limiting block 641 is fixedly connected to the outer sidewall of the auxiliary loop bar 64, the limiting block 641 is a long-strip-shaped block, the length direction of the limiting block 641 is parallel to the axial direction of the auxiliary loop bar 64, and the two limiting blocks 641 are distributed at two ends of a certain diameter of the auxiliary loop bar 64.

Referring to fig. 3, a limiting groove engaged with the limiting block 641 is recessed on an inner side wall of the main loop bar 64, and the limiting block 641 is engaged with the limiting groove to limit the relative rotation between the main loop bar 64 and the auxiliary loop bar 64.

Referring to fig. 3, a spring 631 is fixedly connected to the closed end of the primary loop bar 64, and one end of the spring 631, which is far away from the primary loop bar 64, is fixedly connected to the end surface of the secondary loop bar 64.

Referring to fig. 3, an end of the loop bar 64, which is far away from the sleeve 63, is fixedly connected with an adjusting handwheel, the cross beam 11 is provided with a first support frame 112, the loop bar 64 penetrates through a transverse plate of the first support frame 112, a support hole penetrates through the center of the transverse plate, a first bearing is fixedly connected in the support hole, and an inner ring of the first bearing is fixedly connected with the loop bar 64.

Referring to fig. 2, two sets of adjusting devices are disposed on the main shutter plate 3 surface and the auxiliary shutter plate 4 surface, two sets of driving belts are parallel, the first belt pulley 74 is a double-groove belt pulley, a linkage belt 73 is sleeved between the two sets of first belt pulleys 74, and the length direction of the linkage belt 73 is perpendicular to the driving belt pulley 71.

Referring to fig. 3, the ratio of the radius of the drive bevel gear 62 to the radius of the driven bevel gear 61 is 3: 1.

The implementation principle of the reservoir dam gate lifting device 5 in the embodiment of the application is as follows: when the dam gate of the reservoir needs to descend, the screw rod descends by rotating the lifting hand wheel 52, so that the main gate plate 3 and the auxiliary gate plate 4 descend synchronously, when the main gate plate 3 and the auxiliary gate plate 4 descend to abut against the dam foundation, the adjusting hand wheel is rotated, so that the sleeve rod 64 is driven to drive the sleeve to rotate, the transmission bevel gear 62 rotates, the transmission bevel gear 62 drives the driven bevel gear 61 to rotate, the driven bevel gear 61 drives the first threaded rod 7 to rotate, the first threaded rod 7 drives the second threaded rod to rotate through the matching between the first belt pulley 74, the second belt pulley 75 and the transmission belt, so that the first threaded rod 7 and the second threaded rod rotate synchronously, and as the threads on the main threaded pipe and the auxiliary threaded pipe are opposite threads, the main gate plate 3 and the auxiliary gate plate 4 move towards the directions away from each other, so that the main gate plate 3 and the auxiliary gate plate 4 respectively approach to the opposite groove walls of the gate grooves on the dam foundation gradually, when the wall of the gate slot is tightly abutted to the main gate plate 3 and the auxiliary gate plate 4, the rotation of the adjusting hand wheel is stopped, the main gate plate 3 and the auxiliary gate plate 4 are tightly abutted by adjusting the lifting hand wheel 52, so that the lifting adjustment of the reservoir dam gate is realized, when the main gate plate 3 and the auxiliary gate plate 4 need to be lifted, the adjusting hand wheel is reversely rotated, so that the main gate plate 3 and the auxiliary gate plate 4 move towards the directions close to each other, then the lifting hand wheel 52 is reversely rotated, so that the main gate plate 3 and the auxiliary gate plate 4 are lifted upwards, the direct contact between the main gate plate 3 and the auxiliary gate plate 4 and the wall of the dam foundation gate slot 2 is reduced, and because the main gate plate 3 and the auxiliary gate plate 4 are lifted and lowered, the direct contact between the main gate plate 3 and the auxiliary gate plate 4 and the wall of the dam foundation gate slot 2 can be reduced by adjusting the distance between the main gate plate 3 and the auxiliary gate plate 4, therefore, the friction force between the main gate plate 3 and the wall surface of the dam foundation gate slot 2 and the friction force between the auxiliary gate plate 4 and the wall surface of the dam foundation gate slot 2 are reduced, so that the friction damage between the main gate plate 3 and the dam foundation gate slot 2 is reduced, the gap between the main gate plate 3 and the dam foundation gate slot 2 is reduced, and water flow is not easy to flow out from the gap between the main gate plate 3 and the dam foundation gate slot 2.

First threaded rod 7 rotates, because first belt pulley 74 is the double flute belt pulley, first belt pulley 74 rotates and drives linkage belt 73 and rotate, linkage belt 73 rotates and drives another first belt pulley 74 and rotates, thereby realize two sets of roll adjustment device's linkage, thereby make and realize the atress dispersion between main gate board 3 and the vice gate board 4, make stability between main gate board 3 and the vice gate board 4 improve, and because two sets of roll adjustment device are linkage control, make and to adjust in step between vice gate board 4 and the main gate board 3, make the atress between vice gate board 4 and the main gate board 3 comparatively balanced.

Changing the rotational direction by the engagement of the driven bevel gear 61 and the transmission bevel gear 62 enables the rotation adjustment direction of the first threaded rod 7 to be changed from the vertical rotation adjustment direction to the horizontal rotation adjustment direction.

Through the setting of drive arrangement 6 for adjusting hand wheel and extensible member and a pair of bevel gear's cooperation, when drive first threaded rod 7 was rotatory, only need through rotatory adjusting hand wheel alright control the rotation of first threaded rod 7, set up on crossbeam 11 through adjusting hand wheel, make the regulating effect preferred.

By controlling the radius ratio of the transmission bevel gear 62 to the driven bevel gear 61 to be (6: 1) - (3: 1), when the rotary adjusting hand wheel rotates, the distance between the main gate plate 3 and the auxiliary gate plate 4 is not easy to change too much, so that the distance adjusting effect between the main gate plate 3 and the auxiliary gate plate 4 is better.

Through the setting of spring 631, spring 631 is in compression state all the time for drive bevel gear 62 and driven bevel gear 61 keep the butt state, make drive bevel gear 62 and driven bevel gear 61 difficult for separating.

Through the cooperation of sleeve 63 and loop bar 64 for the telescopic part is comparatively convenient along with the flexible regulation of the lift of main gate board 3 and vice gate board 4, and is the cooperation of stopper 641 and spacing groove through spacing subassembly, makes adjusting hand wheel rotatory time, and loop bar 64 and sleeve 63 are difficult for relative rotation.

Through the setting of connecting plate 50 for main gate panel 3 and vice gate panel 4 are all sliding connection on connecting plate 50, make main gate panel 3 and vice gate panel 4 can adjust the distance between the two, and main gate panel 3 and vice gate panel 4 also can go up and down in step.

Through the arrangement that the adjusting hole groups 51 are two groups, the stress on the main gate plate 3 and the auxiliary gate plate 4 is dispersed, the main gate plate 3 and the auxiliary gate plate 4 are not easy to shake, and the main gate plate 3, the auxiliary gate plate and the connecting plate 50 are not easy to separate from the connecting plate 50 due to the good stability of the sliding connection of the main gate plate 3 and the auxiliary gate plate and the connecting plate 50.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a reservoir dam gate elevating gear which characterized in that: including main gate board (3) and vice gate board (4), main gate board (3) are relative and parallel with vice gate board (4), it is connected with the roll adjustment device to rotate between main gate board (3) and vice gate board (4), the roll adjustment device includes first roll adjustment subassembly, first roll adjustment subassembly includes first threaded rod (7), first threaded rod (7) one end threaded connection has main screwed pipe, main screwed pipe fixed connection is on the face of main gate board (3) one side of vice gate board (4), first threaded rod (7) other end threaded connection has vice screwed pipe, vice screwed pipe fixed connection is on vice gate board (4) face of main gate board (3) one side, be equipped with on first threaded rod (7) drive first threaded rod (7) pivoted drive arrangement (6), be equipped with on main gate board (3) and vice gate board (4) and drive main gate board (3) and vice gate board (4) along driving main gate board (4) and vice gate board (4) A lifting device (5) which can lift in the vertical direction.

2. The elevating device of a dam gate of a reservoir as claimed in claim 1, wherein: the roll adjustment device still includes the second roll adjustment subassembly, the second roll adjustment subassembly is symmetrical with first roll adjustment subassembly, first belt pulley (74) of fixedly connected with are gone up in first threaded rod (7), include the second threaded rod on the second roll adjustment subassembly, the cover is equipped with drive pulley (71) between second belt pulley (75) on the second threaded rod and first belt pulley (74).

3. The elevating device of a dam gate of a reservoir as claimed in claim 2, wherein: the main gate board (3) face and the auxiliary gate board (4) face are provided with two groups of distance adjusting devices, the two groups of distance adjusting devices are parallel to the horizontal section of a transmission belt of each distance adjusting device, a linkage belt (73) is further sleeved between the first belt wheels (74), and the horizontal section of the linkage belt (73) is perpendicular to the horizontal section of the transmission belt wheel (71).

4. The elevating device of a dam gate of a reservoir as claimed in claim 1, wherein: the driving device (6) comprises a driven bevel gear (61) fixedly connected to the threaded rod, the driven bevel gear (61) is meshed with a transmission bevel gear (62), an extensible member is fixedly connected to the transmission bevel gear (62), a driving member is fixedly connected to the extensible member, and the driving member is located above a cross beam (11) of the portal frame (1).

5. The elevating device of a dam gate of a reservoir as claimed in claim 4, wherein: the ratio of the radius of the transmission bevel gear (62) to the radius of the driven bevel gear (61) is 6:1-3: 1.

6. The elevating device of a dam gate of a reservoir as claimed in claim 4, wherein: the extensible member includes one end confined sleeve (63), sleeve (63) closed end fixed connection is on drive gear, loop bar (64) are equipped with to sleeve (63) endotheca, sleeve (63) closed end fixed connection has spring (631), sleeve (63) closed end one end fixed connection is kept away from in spring (631) the terminal surface at loop bar (64), spring (631) are in compression state all the time, be equipped with the spacing subassembly of restriction sleeve (63) and loop bar (64) relative rotation between sleeve (63) and loop bar (64), loop bar (64) and driving part fixed connection.

7. The elevating device of a dam gate of a reservoir as claimed in claim 6, wherein: the limiting assembly comprises a limiting block fixedly connected to the side wall of the loop bar (64), the limiting block is in a long strip shape, the length direction of the limiting block is parallel to the axis direction of the auxiliary loop bar (64), and a limiting groove matched with the limiting block is formed in the inner wall of the sleeve (63) in a concave mode.

8. The elevating device of a dam gate of a reservoir as claimed in claim 1, wherein: elevating gear (5) are including connecting plate (50), connecting plate (50) are located the top of main gate board (3) and vice gate board (4), be equipped with on connecting plate (50) and adjust punch combination (51), it includes main regulation hole (511) and vice regulation hole (512) to adjust punch combination (51), main regulation hole (511) are rectangular shape through-hole, the length direction of main regulation hole (511) is on a parallel with the length direction of first screw, vice regulation hole (512) and main regulation hole (511) symmetry set up, main gate board (3) sliding connection is on main regulation hole (511), vice gate board (4) sliding connection is on vice regulation hole (512).

9. The elevating device of a dam gate of a reservoir as claimed in claim 8, wherein: the main brake door panel (3) fixedly connected with main connecting rod, the main connecting rod radius is less than main adjusting hole (511) width, main connecting rod runs through main adjusting hole (511), main connecting rod keeps away from main brake door panel (3) one end fixedly connected with main hanger plate, the radius of main hanger plate is greater than the radius of main adjusting hole (511).

10. The elevating device of a dam gate of a reservoir as claimed in claim 9, wherein: the adjusting hole groups (51) are distributed on the connecting plate (50) in two groups and are symmetrically distributed on the connecting plate (50) about the center of the connecting plate (50).

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