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CN214786779U - Constant-pitch conical torsion spring, industrial door balance mechanism and industrial lifting door - Google Patents

Constant-pitch conical torsion spring, industrial door balance mechanism and industrial lifting door Download PDF

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Publication number
CN214786779U
CN214786779U CN202023284495.5U CN202023284495U CN214786779U CN 214786779 U CN214786779 U CN 214786779U CN 202023284495 U CN202023284495 U CN 202023284495U CN 214786779 U CN214786779 U CN 214786779U
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CN
China
Prior art keywords
torsion spring
door
transmission shaft
industrial
end cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN202023284495.5U
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Chinese (zh)
Inventor
费清川
杨惕
翁秋华
马涛
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SHANGHAI FASTLINK CO Ltd
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SHANGHAI FASTLINK CO Ltd
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Publication of CN214786779U publication Critical patent/CN214786779U/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/16Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10Counterbalance devices
    • E05D13/12Counterbalance devices with springs
    • E05D13/1253Counterbalance devices with springs with canted-coil torsion springs
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/668Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
    • E05F15/681Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings operated by flexible elongated pulling elements, e.g. belts
    • E05F15/686Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings operated by flexible elongated pulling elements, e.g. belts by cables or ropes
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42Sliding wings; Details of frames with respect to guiding
    • E06B3/44Vertically-sliding wings

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The industrial door comprises a torsion spring with a constant-pitch cone, an industrial door balancing mechanism and an industrial lifting door, wherein a torsion spring body is in the shape of the constant-pitch cone, and two ends of the torsion spring body are respectively a pre-tightening end and a fixed end; the torsion spring and the flat cone pulley are arranged on the transmission shaft and are coaxial with the transmission shaft, and a steel wire rope wound by the flat cone pulley is connected with the door panel; the fixed end of the torsion spring is fixed on the base, and the pre-tightening end of the torsion spring is provided with pre-tightening torsion; when the torque force is balanced with the gravity of the door plate, the transmission shaft drives the flat cone pulley to rotate so as to lift the door plate. By keeping the pre-tightening torsion force of the torsion spring of the constant-pitch cone consistent with the door weight, the automatic balance of the stretching force and the door weight can be realized when the lifting door is lifted.

Description

Constant-pitch conical torsion spring, industrial door balance mechanism and industrial lifting door
Technical Field
The utility model relates to an industry lift gate, specifically speaking are torsional spring, industry door balance mechanism and industry lift gate of constant pitch circular cone.
Background
With the rapid logistics development, the industrial lifting doors used in the warehouse are increasing. The balanced system of industry lift gate in the existing market mainly relies on toper cone pulley and cylindrical torsion spring to mutually support: when the lifting door is in a closed state, the cylindrical torsion spring keeps the maximum pretightening force (torsion); and the torsional spring moment of torsion reduces gradually along with the promotion of door, because the heavy unchangeable of door that promotes, in order to make the torsion of torsional spring and the heavy phase of door be close, just adopted the toper cone pulley that the diameter diminishes gradually, consequently the lift gate needs the cylinder torsional spring of different quantity and the toper cone pulley of different shapes according to the difference of door opening size and the change of lifting means.
The above scheme is analyzed from a mechanical theory, and in order to keep the torsion force and the door weight consistent, the taper curve of the cone pulley and the rigidity curve of the torsion spring must be matched and consistent. However, the size of each industrial lift door is different, so the number of the torsion springs is different, and the corresponding taper of the cone pulleys is also different, which causes the two to be complicated in calculation, high in cost and inconvenient in maintenance in use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current problem, aim at providing torsional spring, industrial door balance mechanism and the industry lift gate of a constant pitch circular cone.
In order to achieve the above object, the present invention adopts a technical solution to provide a torsion spring, which comprises a torsion spring body, wherein the torsion spring body is in a conical shape with a constant pitch, and two ends of the torsion spring body are respectively a pre-tightening end and a fixed end; wherein, the fixed end fixes one end of the torsion spring body; the pre-tightening end at the other end of the torsion spring body is connected with the circumferential load and can rotate to generate pre-tightening torque force to balance with the circumferential load.
Preferably, the constant-pitch torsion spring body is respectively composed of a cylindrical rear section and a conical front section, and the front end of the rear section is connected with the rear end of the front section; the front end of the front section is a pre-tightening end, and the rear end of the rear section is a fixed end. The utility model also provides an industrial door balance mechanism, which comprises the torsional spring, a transmission shaft and a flat cone pulley, wherein the torsional spring and the flat cone pulley are arranged on the transmission shaft and are coaxial with the transmission shaft, and a steel wire rope wound by the flat cone pulley is connected with the door plate; the fixed end of the torsion spring is fixed, the pre-tightening end of the torsion spring is provided with pre-tightening torque, and the transmission shaft can be driven to rotate when the torque is released; when the torque force is released and is balanced with the gravity of the door panel, the motor drives the transmission shaft to rotate, and then drives the flat cone pulley to rotate, so as to lift the door panel.
The torsion spring and the flat cone pulley are arranged on the transmission shaft and are coaxial with the transmission shaft, namely, two ends of the shaft body of the transmission shaft extend out of two ends of the torsion spring and are respectively connected with the axes of the flat cone pulleys on two sides; namely, a pair of flat cone pulleys are respectively fixed at the two ends of the square tube by a door shaft fixing bracket and a fixing plate. The torsion spring is sleeved on the transmission shaft, and the axial directions of the torsion spring and the transmission shaft are overlapped.
The industrial door balance mechanism is driven by a torsion spring of a constant-pitch cone, and the overall structure of the torsion spring of the constant-pitch cone is as follows: the rear section is cylindrical, the front section is conical, and the flange rear end cover at one end of the cylindrical shape is connected with the door shaft fixing support through bolts. When the torsion force of the torsion spring is reduced, the central diameter of the rear end conical part is also reduced. The transmission shaft is rotated by the torque force of the constant-pitch conical torsion spring or the motor, so that the flat cone pulley is driven to rotate, and the steel wire rope wound on the flat cone pulley drives the door plate to move up and down.
Preferably, the transmission shaft penetrates through the center of the flange front end cover and is connected with the flange front end cover, and the flange front end cover and the pre-tightening end of the torsion spring can be driven to rotate together.
Preferably, the torsion spring further comprises a flange rear end cover fixedly arranged, and the fixed end of the torsion spring is fixed on the flange rear end cover.
Preferably, the rear end cover of the flange plate is fixed on the door shaft fixing support.
Preferably, the rear end cover of the flange plate is provided with a bayonet, and the bent part of the fixed end of the torsion spring is clamped into the bayonet, so that the rear end cover of the flange is tightly matched with the torsion spring to fix the rear end cover of the flange.
Preferably, the transmission shaft passes through the center of the rear end cover of the flange plate and can rotate relatively.
Preferably, the cone pulley is a flat cone pulley; the flat cone pulley is matched with the constant-pitch conical torsion spring for use, and the cone pulley structure is not replaced according to a lifting mode.
Preferably, the transmission shaft is a hexagonal transmission shaft; the motor drives the hexagonal transmission shaft to rotate, a flat key is not needed between the hexagonal transmission shaft and the constant-pitch conical torsion spring and between the hexagonal transmission shaft and the flat cone pulley, transmission efficiency is improved, and abrasion is reduced.
Preferably, the door frame further comprises a plurality of door shaft fixing brackets, and the transmission shaft sequentially penetrates through the door shaft fixing brackets and can rotate relatively.
Preferably, the lower ends of the door shaft fixing supports are fixed on the upper end surface of the square pipe; the door shaft fixing bracket is connected with the fixing plate through a bolt; the side plates and the square tubes are connected by square tube side plate connecting pieces. The utility model also provides an industry lift gate, including the door plant, including arbitrary industry door balance mechanism.
Preferably, the door panel is further provided with a motor assembly which comprises a motor, and the motor is matched with the torsion spring to provide force for balancing the door panel, so that the door panel can move up and down.
Preferably, the door panel is further provided with a track assembly, wherein the track assembly comprises pulleys and a track, the pulleys are arranged on two sides of the door panel, and the pulleys roll in the track.
Compared with the prior art, the utility model discloses a torsional spring according to the conical change of constant pitch, reduces gradually, the back passes through to cylindrically after to the front end from the rear end diameter greatly. When the torsion spring is released, the diameter of the torsion spring is changed from large to small, so that the torsion characteristic line keeps approximately linear change, namely the lifting force converted by the torsion of the torsion spring and the weight of the industrial lifting door are kept in a relatively constant range. The problem of among the prior art, use cylindrical torsion spring cooperation diameter change cone pulley to maintain certain lifting force usually, cause with high costs, maintain complicacy etc is solved.
The industrial door balancing mechanism enables the industrial lifting door to keep balance between the door weight and the torsion force of the torsion spring in the lifting process. The industrial door balancing mechanism has the function that when the industrial door is stopped at any position, an operator pushes and pulls the manual door body by hand, and the industrial door can be automatically lifted only by a small force torsion spring balancing system. The industrial door balance mechanism is installed to the industry lift gate, and simple structure is with low costs, keeps unanimous through the pretension torsion and the heavy automatic balance of door of the torsional spring that makes the constant pitch circular cone, tensile force and heavy when can realizing the lift gate lift.
Drawings
FIG. 1 is a schematic structural diagram of a constant pitch conical torsion spring balancing mechanism;
FIG. 2 is a schematic structural diagram of a constant pitch conical torsion spring balancing mechanism;
FIG. 3 is a schematic structural view of a constant pitch conical torsion spring;
FIG. 4 is a schematic structural view of a flat cone pulley;
FIG. 5 is a schematic structural view of a conical pre-tightening end of a constant pitch conical torsion spring;
FIG. 6 is a schematic structural view of the fixed end of the constant pitch conical torsion spring;
fig. 7 is a schematic structural diagram of an industrial lift gate.
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.
The core of the embodiment is to provide an industrial door balance mechanism (namely, a constant pitch conical torsion spring balance mechanism 201) with a constant pitch conical torsion spring, which has the characteristic of keeping approximate linear lifting force along with the change of torsion spring torque. The utility model discloses a core of another embodiment provides an use the utility model discloses an industry lift gate of constant pitch circular cone torsional spring balance mechanism has characteristics such as simple structure, easy maintenance.
Referring to fig. 1, the constant-pitch conical torsion spring balancing mechanism 201 is composed of a flat cone pulley 101, a constant-pitch conical torsion spring 103, a hexagonal transmission shaft 102, a door shaft fixing bracket 104, a fixing plate 105, a side plate 108, a square tube 106 and a square tube side plate connecting piece 107.
Referring to fig. 2, a pair of flat cone pulleys 101 and a constant pitch conical torsion spring 103 are mounted on and coaxial with a hexagonal transmission shaft 102, and a door shaft fixing bracket 104 fixes the hexagonal transmission shaft 102 and parts mounted on the hexagonal transmission shaft 102 to a square tube 106.
In this embodiment, the central portions of the door shaft fixing bracket 104, the constant pitch conical torsion spring 103 and the flat cone pulley 101 are preferably hexagonal structures, so that after the door shaft fixing bracket is matched with the hexagonal transmission shaft 102, the motor drives the hexagonal transmission shaft 102 to rotate, a flat key is not needed between the hexagonal transmission shaft 102 and the constant pitch conical torsion spring 103 and the flat cone pulley 101, the transmission efficiency is improved, and abrasion is reduced.
The constant-pitch conical torsion spring 103 drives the constant-pitch conical torsion spring balance mechanism 201, and due to the adoption of the combination form of the constant-pitch conical torsion spring 103 and the flat cone pulley 101, compared with the combination of the conventional cylindrical torsion spring and cone pulleys of different types, the constant-pitch conical torsion spring balance mechanism is simpler and easier to calculate, is convenient to maintain and easy to operate, and the cone pulleys do not need to be replaced by different structures according to a lifting mode. When the torsion of the constant-pitch conical torsion spring is reduced, the central diameter of the constant-pitch conical torsion spring is reduced.
Referring to fig. 3, a front view of the constant pitch conical torsion spring 103 is shown. The constant pitch conical torsion spring 103 has a flange rear end cover 113 attached to the left and a flange front end cover 123 attached to the right.
Referring to fig. 4, a groove for winding a wire rope 101a is formed in the flat cone pulley 101, one end of the wire rope 101a is connected to an industrial lift gate (not shown), and the other end is fixed to the flat cone pulley 101.
Referring to fig. 5, which is a schematic structural diagram of a conical pre-tightening end of the constant pitch conical torsion spring, the hexagonal transmission shaft 102 is fixed on the door spindle fixing bracket 104 through a bearing 104a, passes through the constant pitch conical torsion spring 103, the constant pitch conical torsion spring 103 is fixed on the flange front end cover 123, and the center of the flange front end cover 123 is a circular hole, so that the constant pitch conical torsion spring 103 and the flange front end cover 123 can rotate together with the hexagonal transmission shaft 102.
When the hexagonal transmission shaft 102 rotates, the flange front end cover 123 is driven to rotate together, and then the constant-pitch conical torsion spring 103 is driven to rotate and screw to generate pretightening force; or when the door panel assembly 202 is lifted by releasing the pretightening force, the constant-pitch conical torsion spring 103 rotates to drive the flange front end cover 123 to rotate together, so that the hexagonal transmission shaft 102 rotates to drive the flat cone pulley 101 to rotate, and the steel wire rope 101a pulls the door panel assembly to move upwards. That is, the constant-pitch conical torsion spring 103 and the flange front end cover 123 are rotated to set the initial pre-tightening force of the torsion spring, and the constant-pitch conical torsion spring 103 and the flange front end cover 123 are fixed on the hexagonal transmission shaft 102 through two screws 123a, and finally balance with the gravity of the lifting door panel assembly 202.
Referring to fig. 6, which is a schematic structural diagram of the fixed end of the constant pitch conical torsion spring, the constant pitch conical torsion spring 103 is fixed on the flange rear end cover 113. Preferably, a square bayonet is also arranged on the side edge of the flange rear end cover 113, and the bent part of the constant pitch conical torsion spring 103 can be clamped into the bayonet, so that the flange rear end cover 113 is tightly matched with the constant pitch conical torsion spring 103, the flange rear end cover 113 is fixed, and the torsion spring is prevented from rotating integrally along with the hexagonal transmission shaft 102 when the front end of the constant pitch conical torsion spring 103 rotates. In addition, the constant-pitch conical torsion spring 103 and the flange rear end cover 113 are fixed on the door spindle fixing bracket 104 through two screws 113a, and the hexagonal transmission shaft 102 penetrates through the constant-pitch conical torsion spring 103 and the flange rear end cover 113 through a bearing 104 a.
Except that constant pitch circular cone torsional spring balance mechanism, the utility model also provides an use this constant pitch circular cone torsional spring balance mechanism's industry lift gate. Referring to fig. 7, for the utility model provides a structural schematic diagram of the specific embodiment of industrial lift gate, an industrial lift gate 300 specifically includes: the track assembly 200, the door panel assembly 202, the constant pitch conical torsion spring balancing mechanism 201, the motor assembly 204 and the control box assembly 203. Pulleys are arranged on two sides of the door panel assembly 202 and roll in the track, so that the door panel assembly 202 moves up and down; the rail assembly 200 provides a rail and a rail guard plate for guiding the door panel to move up and down; the constant-pitch conical torsion spring balance mechanism 201 comprises a constant-pitch conical torsion spring 103 and a flat cone pulley 101, and drives the operation of the industrial lift gate; a motor in the motor assembly 204 is matched with the constant-pitch conical torsion spring 103 to provide a force balanced with the door panel assembly 202, so that the door panel assembly 202 can move up and down; the control box assembly 203 is used for controlling the motion state of the whole door. The control box assembly 203 and the motor assembly 204 are arranged on one side of the industrial lifting door 300; when the two are not on the same side, the wire needs to be lengthened.
During installation, a pre-load force is applied to the constant pitch conical torsion spring 103 according to the weight of the door panel assembly 202. When the control box component 203 is used for starting the vertical lifting industrial lifting door 300, the constant pitch conical torsion spring 103 drives the hexagonal transmission shaft 102 to rotate through the torsion of the constant pitch conical torsion spring 103, so that the flat cone pulley 101 starts to rotate, the steel wire rope wound on the flat cone pulley 101 lifts the door panel component 202 upwards, when the weight of the door panel component 202 and the torsion of the constant pitch conical torsion spring 103 reach balance, the motor in the motor component 204 is started to drive the hexagonal transmission shaft 102 to start to rotate, and then the flat cone pulley 101 is driven to rotate, so that the door panel component 202 continues to lift upwards to the highest point.
In the equal-pitch conical torsion spring balancing system and the industrial lifting door in the embodiment, the equal-pitch conical torsion spring 103 is connected with the flat cone pulley 101 through the hexagonal transmission shaft 102, the hexagonal transmission shaft 102 is fixed on the square pipe 106 by the door shaft fixing support 104, and the motor is fixed at the side end of the square pipe 106 by the door shaft fixing support 104. The weight of the door panel assembly 202 provides pretightening force for the constant-pitch conical torsion spring 103, when the weight of the door panel assembly 202 and the torsion of the constant-pitch conical torsion spring 103 reach balance, the motor drives the hexagonal transmission shaft 102 to rotate, the flat cone pulley 101 on the hexagonal transmission shaft 102 rotates along with the hexagonal transmission shaft, and the steel wire rope 101a wound on the flat cone pulley 101 pulls the door panel to enable the door panel to continue to move upwards. The door panel assembly 202 moves up and down in the track through the pulleys.
By adopting the constant pitch conical torsion spring 103 to cooperate with the flat cone 101 and the motor, when the torsion force is reduced, the central diameter of the constant pitch conical torsion spring 103 is reduced, so that the torsion force of the constant pitch conical torsion spring 103 is balanced with the weight of the door panel assembly 202. When power is off or an emergency button is pressed down, the motor does not work any more, and an operator pulls the manual release device to open the industrial lifting door, so that personal accidents are avoided.
The number of the torsion springs and the type of the cone pulleys in the embodiment are not limited by the size of the door opening, and the problems of complex calculation, inconvenience in maintenance and the like are solved. The matching of the constant pitch conical torsion spring 103 and the flat cone pulley 101 changes the central diameter of the constant pitch conical torsion spring 103 in the operation process, the torsion changes accordingly, the weight and the torsion of the door panel assembly 202 are balanced, and the cone pulley uses the flat cone pulley 101 without selecting different types of cone pulleys according to the door panel lifting mode. Compared with a cylindrical torsion spring system used in the current market, the torsion spring system has the characteristics of simple structure, convenience in maintenance, easiness in operation and the like.
Other various devices known in the art are also available, and their illustration and description are omitted. Please refer to the prior art, which is not described herein.
The above are only the preferred embodiments of the present invention, and the above preferred embodiments should not be considered as limitations of the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the scope of the invention, and such modifications and improvements are also considered to be within the scope of the invention.

Claims (15)

1. A torsion spring, characterized in that: the torsion spring comprises a torsion spring body, wherein the torsion spring body is in a conical shape with equal pitch, and two ends of the torsion spring body are respectively a pre-tightening end and a fixed end; wherein, the fixed end fixes one end of the torsion spring body; the pre-tightening end at the other end of the torsion spring body is connected with the circumferential load and can rotate to generate pre-tightening torque force to balance with the circumferential load.
2. The torsion spring according to claim 1, wherein: the constant-pitch torsion spring body is respectively composed of a cylindrical rear section and a conical front section, and the front end of the rear section is connected with the rear end of the front section; the front end of the front section is a pre-tightening end, and the rear end of the rear section is a fixed end.
3. An industrial door balance mechanism which characterized in that: the torsion spring comprises the torsion spring as claimed in claim 1 or 2, and a transmission shaft and a flat cone pulley, wherein the torsion spring and the flat cone pulley are arranged on the transmission shaft and are coaxial with the transmission shaft, and a steel wire rope wound by the flat cone pulley is connected with a door panel; the fixed end of the torsion spring is fixed, the pre-tightening end of the torsion spring is provided with pre-tightening torque, and the transmission shaft can be driven to rotate when the torque is released; when the torque force is released and is balanced with the gravity of the door panel, the motor drives the transmission shaft to rotate, and then drives the flat cone pulley to rotate, so as to lift the door panel.
4. The industrial door counterbalance mechanism of claim 3, wherein: two ends of the transmission shaft body extend out of two ends of the torsion spring and are respectively connected with the axle centers of the flat cone pulleys on two sides.
5. The industrial door counterbalance mechanism of claim 3 or 4, wherein: the transmission shaft penetrates through the center of the flange front end cover and is connected with the flange front end cover, and the flange front end cover and the pre-tightening end of the torsion spring can be driven to rotate together.
6. The industrial door counterbalance mechanism of claim 3 or 4, wherein: the torsion spring is characterized by further comprising a flange plate rear end cover fixedly arranged, and the fixed end of the torsion spring is fixed on the flange plate rear end cover.
7. The industrial door counterbalance mechanism of claim 6, wherein: and the rear end cover of the flange plate is fixed on the door shaft fixing support.
8. The industrial door counterbalance mechanism of claim 6, wherein: the rear end cover of the flange plate is provided with a bayonet, and the bent part of the fixed end of the torsion spring is clamped into the bayonet, so that the rear end cover of the flange is tightly matched with the torsion spring to fix the rear end cover of the flange.
9. The industrial door counterbalance mechanism according to any of claims 6 to 8, wherein: the transmission shaft passes through the center of the rear end cover of the flange plate and can rotate relatively.
10. The industrial door counterbalance mechanism according to any one of claims 3 to 9, wherein: the transmission shaft is a hexagonal transmission shaft.
11. The industrial door counterbalance mechanism of any of claims 3 to 10, wherein: the door hinge is characterized by further comprising a plurality of door hinge fixing supports, and the transmission shaft penetrates through the door hinge fixing supports in sequence and can rotate relatively.
12. The industrial door counterbalance mechanism of claim 11, wherein: the lower ends of the door shaft fixing supports are fixed on the upper end face of the square pipe.
13. An industry lift gate, includes the door plant, its characterized in that: comprising an industrial door balancing mechanism according to any one of claims 3 to 8.
14. The industrial lift gate of claim 13, wherein: the door panel is characterized by further comprising a motor assembly, wherein the motor assembly comprises a motor, the motor is matched with the torsion spring to provide force mutually balanced with the door panel, and the door panel can move up and down.
15. The industrial lift gate of claim 13, wherein: still be equipped with the track subassembly, including pulley and track, the pulley is installed to the both sides of door plant, and the pulley rolls in the track.
CN202023284495.5U 2020-06-28 2020-12-30 Constant-pitch conical torsion spring, industrial door balance mechanism and industrial lifting door Withdrawn - After Issue CN214786779U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2020105973313 2020-06-28
CN202010597331 2020-06-28

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CN214786779U true CN214786779U (en) 2021-11-19

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CN202023284495.5U Withdrawn - After Issue CN214786779U (en) 2020-06-28 2020-12-30 Constant-pitch conical torsion spring, industrial door balance mechanism and industrial lifting door
CN202011613177.0A Active CN113846928B (en) 2020-06-28 2020-12-30 Torsion spring with equal pitch cone, industrial door balancing mechanism and industrial lifting door

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113846928A (en) * 2020-06-28 2021-12-28 上海快联门业有限公司 Equal pitch cone torsion springs, industrial door balancing mechanisms and industrial lift doors

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Publication number Priority date Publication date Assignee Title
DE202004014167U1 (en) * 2003-09-10 2005-01-13 Weil, Lothar Compact servo drive for roller shutter door with a tube mounted motor fastened to a drive shaft fitted with cable reels and a torsion spring
CN101215951A (en) * 2008-01-15 2008-07-09 浙江理想门业制造有限公司 Balance type rapid soft curtain door
RU2364696C1 (en) * 2008-05-27 2009-08-20 Общество с ограниченной ответственностью "ДорХан" Sectional gates
TWM432703U (en) * 2012-02-24 2012-07-01 Bai-Lu Zhuang M1010701_3919
CN208669145U (en) * 2018-04-18 2019-03-29 天津广脉自动化科技有限公司 A kind of new vertical industrial lift door
CN214786779U (en) * 2020-06-28 2021-11-19 上海快联门业有限公司 Constant-pitch conical torsion spring, industrial door balance mechanism and industrial lifting door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113846928A (en) * 2020-06-28 2021-12-28 上海快联门业有限公司 Equal pitch cone torsion springs, industrial door balancing mechanisms and industrial lift doors
CN113846928B (en) * 2020-06-28 2025-02-28 上海快联门业有限公司 Torsion spring with equal pitch cone, industrial door balancing mechanism and industrial lifting door

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CN113846928B (en) 2025-02-28
CN113846928A (en) 2021-12-28

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