CN210315435U - Quick hoist type double-lifting-point hoist - Google Patents
Quick hoist type double-lifting-point hoist Download PDFInfo
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- CN210315435U CN210315435U CN201921009050.0U CN201921009050U CN210315435U CN 210315435 U CN210315435 U CN 210315435U CN 201921009050 U CN201921009050 U CN 201921009050U CN 210315435 U CN210315435 U CN 210315435U
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- hoisting
- gate
- fixed
- cross beam
- type double
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Abstract
The utility model discloses a quick hoisting type double-lifting-point hoist, which comprises a cross beam, wherein a gate is arranged below the cross beam, movable pulleys are symmetrically and bilaterally arranged on the upper side of the gate, support columns are symmetrically and vertically fixed at the left and right ends of the cross beam, fixed pulleys are symmetrically and bilaterally fixed at the lower side of the cross beam, a hydraulic pull rod is arranged inside the fixed pulleys, a first hoisting device is arranged at the position, close to the outer side of the support column, of the left side of the cross beam, a second hoisting device is arranged at the position, close to the outer side of the support column, of the right side of the cross beam, a steel wire rope is wound outside the winding drum, the steel wire rope is connected with the hydraulic pull rod after being sequentially wound on the fixed pulleys and the movable pulleys, a brake, a speed; the utility model has the advantages of simple structure, safety, practicality, stable structure and automatic gate balance adjustment when the gate extrudes to one side.
Description
Technical Field
The utility model belongs to the technical field of water conservancy water and electricity trade headstock gear equipment, in particular to quick two hoisting point headstock gears of hoist formula.
Background
The hoist has been widely applied to hydraulic and hydro-power engineering, most of the existing hoists are hoist hoists, the hoist hoists have simple structure, easy manufacture and convenient maintenance and repair, and are widely applied to the opening and closing of various gates, the hoist hoists are divided into a single hoisting point and a double hoisting point, the double hoisting point hoist is formed by connecting the two hoists through a connecting shaft, the existing double hoisting point hoist hoists are rigidly connected, the load of a motor is not uniform, the service lives of the connecting shaft and the motor are reduced, meanwhile, the hoisting equipment and the supporting equipment of the equipment are arranged above the gate, the supporting equipment is only fixed through a side wall, and no support is arranged below the gate, so that the structure is unstable, the service life is short, only a stroke monitoring device is arranged, no leveling device is arranged, although the accuracy of opening and closing is increased, due to the elastic error of the steel wire rope, the installation error and the manufacturing error of the hoist can cause the gate to be extruded to one side in the operation process, and if the gate cannot be adjusted in time, the gate is blocked and even cannot be lifted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick hoist formula double-hanging-point headstock gear, have simple structure, safe practicality, stable in structure, have when the gate extrudes to one side automatically regulated gate balanced advantage.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick two hoisting point headstock gears of hoist formula, includes the crossbeam, is provided with the gate below the crossbeam, and gate upside bilateral symmetry is provided with the movable pulley, both ends symmetry vertical fixation has the support column about the crossbeam, gate and support column sliding connection, crossbeam downside bilateral symmetry is fixed with the fixed pulley, the fixed pulley inboard is provided with the hydraulic pressure pull rod, the hydraulic pressure pull rod is fixed in the crossbeam downside, the position that the crossbeam left side is close to the support column outside is provided with first winding device, the position that the crossbeam right side is close to the support column outside is provided with the second hoisting device, first winding device and second hoisting device structure are identical, first winding device includes the reel, the outside winding of reel has wire rope, and wire rope passes in proper order fixed pulley and movable pulley after be connected with the hydraulic pressure pull rod, the reel front side has connected gradually stopper, hydraulic pressure pull rod, The hydraulic control system comprises a speed reducer and a motor, wherein pressure sensors are arranged on the left side and the right side of the upper portion of the gate, a controller is arranged on the right side of the second winding device, and the pressure sensors and the hydraulic pull rod are connected with the controller.
Preferably, the controller is a PLC controller.
Preferably, a through hole is formed in the middle of the upper side of the support column, and the steel wire rope penetrates through the support column through the through hole.
Preferably, a movable pulley support is arranged on the outer side of the movable pulley, a first connecting rod is connected to the upper side of the movable pulley support, and the first connecting rod is fixed to the lower side of the cross beam.
Preferably, a fixed pulley support is arranged on the outer side of the fixed pulley, a second connecting rod is connected to the upper side of the fixed pulley support, and the second connecting rod is fixed to the lower side of the cross beam.
Preferably, a sealing strip is arranged on the inner side of the gate.
Preferably, the winding directions of the steel wire ropes on the first winding device and the second winding device are opposite.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a design chain drive, can overcome the inhomogeneous shortcoming of rigid drive axle in-process motor load, thereby the life of extension equipment, through setting up two hoisting points and movable pulley, reduced the required lifting force of promotion gate, moreover this use novel wheel face with movable pulley and fixed pulley is parallel with the crossbeam, make hoisting device set up in the outside of support column, support the lift of gate through the crossbeam, this kind of structure is more firm, can be when the gate goes up and down to a side slope through design hydraulic pressure pull rod and pressure sensor, in time adjust the gate, avoid the gate slope and reduce the life of gate, the utility model discloses safe practical, convenient operation, structure scientific and reasonable, long service life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
In the figure: 1. the device comprises a beam, 2, a gate, 3, a movable pulley, 4, a movable pulley support, 5, a first connecting rod, 6, a support column, 7, a fixed pulley, 8, a fixed pulley support, 9, a second connecting rod, 10, a first hoisting device, 101, a winding drum, 102, a brake, 103, a speed reducer, 104, a motor, 11, a steel wire rope, 12, a hydraulic pull rod, 13, a second hoisting device, 14, a pressure sensor, 15 and a controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the embodiment provides a fast hoisting type double-hoisting-point hoist, including a beam 1, a gate 2 is disposed below the beam 1, movable pulleys 3 are symmetrically disposed on the upper side of the gate 2 in a bilateral manner, support pillars 6 are symmetrically and vertically fixed at the left and right ends of the beam 1, the gate 2 is slidably connected with the support pillars 6, fixed pulleys 7 are symmetrically fixed on the lower side of the beam 1 in a bilateral manner, hydraulic pull rods 12 are disposed on the inner sides of the fixed pulleys 7, the hydraulic pull rods 12 are fixed on the lower side of the beam 1, a first hoisting device 10 is disposed on the left side of the beam 1 near the outer sides of the support pillars 6, a second hoisting device 13 is disposed on the right side of the beam 1 near the outer sides of the support pillars 6, the first hoisting device 10 and the second hoisting device 13 have the same structure, the first hoisting device 10 includes a reel 101, and, the steel wire rope 11 sequentially penetrates through the fixed pulley 7 and the movable pulley 3 and then is connected with the hydraulic pull rod 12, the brake 102, the speed reducer 103 and the motor 104 are sequentially connected to the front side of the winding drum 101, the pressure sensors 14 are arranged on the left side and the right side of the upper portion of the gate 2, the controller 15 is arranged on the right side of the second winding device 13, and the pressure sensors 14 and the hydraulic pull rod 12 are connected with the controller 15.
In order to control the operation of the hydraulic rod 12 by the pressure signal of the pressure sensor 14 and to control the first winding device 10 and the second winding device 13 to synchronously operate by the controller 15, in this embodiment, preferably, the controller 15 is a PLC controller.
In order to enable the steel wire rope 11 to pass through the supporting column 6 and be wound on the winding drum 10, and meanwhile, when the steel wire rope 11 is wound on the winding drum 10, the steel wire rope 11 does not apply pressure to the side surface of the fixed pulley 7 because the winding drum 10 is too long, so that the steel wire rope 11 is worn, in this embodiment, preferably, a through hole is formed in the middle of the upper side of the supporting column 6, and the steel wire rope 11 penetrates through the supporting column 6 through the.
In order to enable the movable pulley 3 to ascend and descend along with the gate 2, thereby achieving the effect of lowering the lifting force, in the embodiment, it is preferable that a movable pulley bracket 4 is provided outside the movable pulley 3, a first link 5 is connected to an upper side of the movable pulley bracket 4, and the first link 5 is fixed to a lower side of the beam 1.
In order to enable the fixed pulley 7 to be fixed on the cross beam 1 through the second connecting rod 9 to play a role in changing the pulling direction of the steel wire rope 11, in this embodiment, it is preferable that a fixed pulley bracket 8 is arranged outside the fixed pulley 7, the second connecting rod 9 is connected to the upper side of the fixed pulley bracket 8, and the second connecting rod 9 is fixed on the lower side of the cross beam 1.
In order to provide a good sealing effect, in the present embodiment, it is preferable that the inside of the gate 2 is provided with a sealing strip.
In order to enable the gate 2 to ascend or descend through the steel wire rope 11 when the first hoisting device 10 and the second hoisting device 13 work simultaneously, in this embodiment, it is preferable that the winding directions of the steel wire ropes on the first hoisting device 10 and the second hoisting device 13 are opposite.
The utility model discloses a theory of operation: when the gate 2 needs to be lifted or lowered, the first hoisting device 10 and the second hoisting device 13 synchronously operate through the controller, the motor 15 drives the winding drum 10 to rotate, at the moment, the rotating speed of the motor 104 can be reduced through the speed reducer 103, the brake 13 is connected with the speed reducer 103, the brake 13 can rapidly brake, after the gate 2 is lifted or lowered, the brake can rapidly brake, so that the lifting is more accurate, the problem of uneven load caused by rigid transmission is solved by synchronously controlling the first hoisting device 10 and the second hoisting device 13 through the controller 15, so that the motor 104 can still well operate during rapid hoisting, the service life of the gate cannot be shortened due to uneven load, the chain wheel 17 on the right side of the beam 1 drives the winding drum 10 on the right side of the beam 1 to rotate, the winding directions of the steel wire ropes 11 on the winding drum 10 on the left side of the beam 1 are opposite, when the rotation directions of the winding drum 10 are consistent, the winding drum 10 can simultaneously drive the steel wire rope 11 to wind or release, when the steel wire rope 11 is wound or released, the steel wire rope 11 passes through the through hole on the supporting column 6, the inside of the through hole on the supporting column 6 is a smooth round surface, because the winding drum 10 has a certain length, the steel wire rope 11 can swing back and forth when wound or released, the steel wire rope 11 passes through the through hole and then is wound on the fixed pulley 7, the steel wire rope 11 between the fixed pulley 7 and the through hole is always parallel to the pulley groove of the fixed pulley 7, the situation that the steel wire rope 11 deflects to apply pressure on the side wall of the pulley groove of the fixed pulley 7 when the winding drum 10 is wound or released when the steel wire rope 11 is wound or released is avoided, and therefore the steel wire rope 7 is abraded or the fixed pulley 7 and the fixed pulley support 8 are broken, the service life, the movable pulley 3 drives the promotion or the decline of gate 2 through first connecting rod 5, can reduce wire rope 11's lifting power through designing movable pulley 3, wire rope 11 is connected with hydraulic pull rod 12 behind the movable pulley 3, when because wire rope 11's elasticity error, the installation error of headstock gear and manufacturing error all can lead to gate 2 to the support column 6 extrusion of one side at the in-process of operation, pressure sensor 14 passes controller 15 with pressure, controller 15 control hydraulic pull rod 12 stimulates wire rope 11, until pressure sensor 14 surveys pressure for zero hour, controller 15 control hydraulic pull rod 12 stall, make gate 2 steadily go up and down like this, thereby guarantee that gate 2 goes up and down safe and reliable more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a quick two hoisting point headstock gears of hoist formula, includes crossbeam (1), its characterized in that: the gate (2) is arranged below the cross beam (1), movable pulleys (3) are symmetrically arranged on the left side and the right side of the upper side of the gate (2), support columns (6) are symmetrically and vertically fixed at the left end and the right end of the cross beam (1), the gate (2) is in sliding connection with the support columns (6), fixed pulleys (7) are symmetrically fixed on the left side and the right side of the lower side of the cross beam (1), a hydraulic pull rod (12) is arranged on the inner side of each fixed pulley (7), the hydraulic pull rod (12) is fixed on the lower side of the cross beam (1), a first hoisting device (10) is arranged at a position, close to the outer side of each support column (6), on the right side of the cross beam (1), a second hoisting device (13) is arranged at a position, close to the outer side of each support column (6), the first hoisting device (10) and the second hoisting device (13, the outside winding of reel (101) has wire rope (11), and wire rope (11) are connected with hydraulic pull rod (12) after passing fixed pulley (7) and movable pulley (3) in proper order, reel (101) front side has connected gradually stopper (102), reduction gear (103) and motor (104), both sides all are provided with pressure sensor (14) about gate (2) upper portion, second hoisting device (13) right side is provided with controller (15), pressure sensor (14) and hydraulic pull rod (12) all are connected with controller (15).
2. The fast hoisting type double-hoisting-point hoist according to claim 1, characterized in that: the controller (15) is a PLC controller.
3. The fast hoisting type double-hoisting-point hoist according to claim 1, characterized in that: the middle of the upper side of the support column (6) is provided with a through hole, and the steel wire rope (11) penetrates through the support column (6) through the through hole.
4. The fast hoisting type double-hoisting-point hoist according to claim 1, characterized in that: the movable pulley (3) outside is provided with movable pulley support (4), the upside of movable pulley support (4) is connected with first connecting rod (5), first connecting rod (5) are fixed in crossbeam (1) downside.
5. The fast hoisting type double-hoisting-point hoist according to claim 1, characterized in that: the fixed pulley (7) outside is provided with fixed pulley support (8), the upside of fixed pulley support (8) is connected with second connecting rod (9), second connecting rod (9) are fixed in crossbeam (1) downside.
6. The fast hoisting type double-hoisting-point hoist according to claim 1, characterized in that: and a sealing strip is arranged on the inner side of the gate (2).
7. The fast hoisting type double-hoisting-point hoist according to claim 1, characterized in that: and the winding directions of the steel wire ropes on the first winding device (10) and the second winding device (13) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921009050.0U CN210315435U (en) | 2019-07-01 | 2019-07-01 | Quick hoist type double-lifting-point hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921009050.0U CN210315435U (en) | 2019-07-01 | 2019-07-01 | Quick hoist type double-lifting-point hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210315435U true CN210315435U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921009050.0U Expired - Fee Related CN210315435U (en) | 2019-07-01 | 2019-07-01 | Quick hoist type double-lifting-point hoist |
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| CN (1) | CN210315435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102706A (en) * | 2020-09-22 | 2020-12-18 | 山东交通职业学院 | Be used for pure electric motor car teaching experiment rack |
-
2019
- 2019-07-01 CN CN201921009050.0U patent/CN210315435U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102706A (en) * | 2020-09-22 | 2020-12-18 | 山东交通职业学院 | Be used for pure electric motor car teaching experiment rack |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210701 |