CN110329223B - Brake device of gravitational potential energy driving trolley - Google Patents
Brake device of gravitational potential energy driving trolley Download PDFInfo
- Publication number
- CN110329223B CN110329223B CN201910610668.0A CN201910610668A CN110329223B CN 110329223 B CN110329223 B CN 110329223B CN 201910610668 A CN201910610668 A CN 201910610668A CN 110329223 B CN110329223 B CN 110329223B
- Authority
- CN
- China
- Prior art keywords
- brake
- trolley
- rack
- steering engine
- potential energy
- 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.)
- Active
Links
- 238000005381 potential energy Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007639 printing Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to a brake device of a gravitational potential energy driving trolley, which is arranged on the trolley and comprises a brake rack supporting mechanism, a brake rack movably arranged on the brake rack supporting mechanism, a brake gear arranged on a travelling shaft of the trolley and matched with the brake rack, and a brake driving unit in transmission connection with the brake rack. Compared with the prior art, the device has simple structure and obvious effect, and the device is additionally arranged on the gravitational potential energy driving trolley, so that the effect of decelerating and braking can be successfully achieved, and the purpose of controlling the speed is achieved; the device has high energy utilization efficiency, and compared with the traditional trolley, the trolley with the device has obviously increased driving distance; the device can be produced by adopting a 3d printing technology, has simple part structure and low weight, reduces the overall weight of the trolley and reduces the friction resistance of the trolley; the device has strong adjustability, can manually set a speed measuring range according to the actual situation of the track, and controls the braking frequency of the trolley so as to find the optimal threshold.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a brake device of a gravitational potential energy driving trolley, which is mainly applied to a carbonless trolley directly driven by a travelling shaft.
Background
The gravitational potential energy driven carbon-free trolley with direction self control is one electromechanical combined carbon-free trolley driven by 1kg weight and capable of recognizing obstacle and avoiding obstacle automatically. The traditional trolley is driven by a primary gear transmission mode, the transmission mode generally adopts a method for changing the diameter of a winding shaft to climb a slope in the climbing stage of a track, but the method consumes a large amount of energy in the climbing stage. The method of directly driving the travelling shaft by adopting the weight connection can increase the transmission ratio to ensure that the moment is enough to ensure that the trolley slowly ascends, but the problem brought by the method is that the speed of the trolley at the flat ground part is very high, and the energy loss is huge, so that an energy-saving braking device is required to be introduced to fully utilize the gravitational potential energy of the trolley.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a brake device of a gravitational potential energy driven trolley.
The aim of the invention can be achieved by the following technical scheme:
The utility model provides a brake equipment of gravitational potential energy drive dolly, the device sets up on the dolly, brake equipment include brake rack supporting mechanism, remove the brake rack that sets up on brake rack supporting mechanism, set up on the travelling axle of dolly and with brake rack looks adaptation brake gear and with brake rack transmission be connected brake drive unit, brake rack can mesh with brake gear.
As the preferable technical scheme, the modulus of the brake gear and the brake rack is not lower than 1 die according to the mechanism design of the trolley, when the modulus is too low, the structural strength of the gear teeth is low, and meanwhile, the gear teeth are too dense, so that the braking is not smooth.
Further, the brake rack supporting mechanism comprises a rack support and a limiting ring arranged on the rack support, and the brake rack penetrates through the limiting ring and can axially move along the limiting ring.
The driving device of the trolley drives the wheels to rotate through the travelling shaft so as to enable the trolley to move, the driving device comprises weights and connecting ropes, one ends of the connecting ropes are tied on the weights, the other ends of the connecting ropes are wound on the travelling shaft, when the weights fall, the connecting ropes on the travelling shaft are unwound, and the travelling shaft is driven to rotate through the connecting ropes, so that power is provided for the trolley, and the trolley is enabled to run at an accelerated speed. The brake driving unit is used for driving the brake rack to generate displacement, and the brake rack can only reciprocate along the axial direction of the limiting ring under the limitation of the limiting ring. When the trolley normally moves, the brake rack is separated from the brake gear under the action of the brake driving unit, and the brake gear rotates along with the moving shaft; when the trolley needs to be braked, the brake driving unit loses the acting force on the brake rack, the brake rack is reset, the brake rack is meshed with the brake gear, the limiting ring prevents the brake rack from rotating along with the brake gear, the brake gear is prevented from rotating, the travelling shaft is further prevented from rotating, the wheels are prevented from rotating, the connecting rope stops unwinding, the weights are pulled by the connecting rope to stop falling, and the trolley loses power, so that the trolley is in a decelerating sliding state.
The rack support is used for supporting a brake rack on one hand and improving the stability of the device; on the one hand, the brake rack is used for fixing the limiting ring, so that the brake rack is limited to rotate along with the brake gear in the braking process, and the auxiliary braking effect is achieved.
Further, the brake driving unit comprises a brake steering engine and a steering engine swing arm, a first connecting hole and a second connecting hole are respectively formed in two ends of the steering engine swing arm, the first connecting hole is in transmission connection with the brake steering engine, and the second connecting hole is in transmission connection with a brake rack.
The brake steering engine is an angle servo motor and is used for driving the steering engine swing arm to swing, and when the steering engine swing arm swings outwards, the brake rack moves outwards along with the steering engine swing arm.
Further, one end of the brake rack, which is positioned at the steering engine swing arm, is provided with a first groove and a second groove in parallel, and the first groove is positioned between the steering engine swing arm and the second groove.
Further, a flexible rope is arranged between the first groove and the second connecting hole and is in transmission connection through the flexible rope.
Further, the brake driving unit further comprises an elastic belt, hooks are arranged on two sides of the rack support, the elastic belt is arranged between the second groove and the hooks, and the brake rack is meshed with the brake gear under the action of tensile force of the elastic belt.
The elastic band may be a commercially available elastic band such as a rubber band.
In the initial state, the brake steering engine is standby, the flexible rope is in a loose state, and the elastic belt is tightened to enable the brake gear to be meshed with the brake rack, so that the device is in a brake state; when the trolley is started or the trolley needs to accelerate, the brake steering engine is electrified, the steering engine swing arm swings outwards, the brake rack is pulled outwards by overcoming the tension of the elastic belt through the flexible rope, and the brake gear is separated from the brake rack, so that the effect of releasing the brake is achieved; when the trolley needs to brake, the brake steering engine is powered off, the steering engine swing arm is reset to swing inwards, the flexible rope is restored to a loose state, the brake rack moves towards the brake gear under the action of the tension force of the elastic belt and is meshed with the brake gear, so that the brake gear and the travelling shaft stop rotating, the connecting rope wound on the travelling shaft stops unwinding, the traction weight stops falling, and the trolley is in a deceleration sliding state under the action of friction force.
Further, a limiting boss is arranged on the side face of the brake rack, and the limiting boss is located between the limiting ring and the brake gear.
The total section width of the limiting boss and the brake rack is larger than the width of the limiting ring, and the limiting boss is used for limiting the axial displacement distance of the brake rack along the limiting ring, so that the brake rack is prevented from being separated from the limiting ring due to the influence of a brake driving unit or inertia.
Further, the trolley is provided with a trolley chassis, the trolley chassis is provided with a travelling shaft support, the travelling shaft is arranged on the travelling shaft support, the height of the brake rack is matched with the height of the brake gear, the tooth surface of the brake rack is tangential with the tooth surface of the brake gear, the contact surface of the brake rack and the brake gear is increased as much as possible, and therefore the meshing effect of the brake rack and the brake gear is improved. And a brake steering engine bracket is further arranged on the trolley chassis, and the brake steering engine is arranged on the trolley chassis through the brake steering engine bracket.
As the preferable technical scheme, the device such as the brake steering engine bracket, the steering engine swing arm, the brake rack, the rack bracket, the brake gear, the travelling shaft bracket, the travelling shaft, the trolley chassis and the like can be produced by adopting a 3d printing technology, the structural design of parts is simpler, the manufacturing time is short, the weight of the parts is low, the whole weight of the trolley is reduced, and the friction resistance of the trolley is reduced.
Further, the brake rack supporting mechanism and the brake driving unit are arranged on the trolley base, and brake teeth meshed with the brake gear are arranged at the end part of the brake rack.
Further, the device also comprises a speed detector and a controller, wherein the controller is respectively and electrically connected with the speed detector and the brake driving unit.
The speed detector is arranged on the trolley shell and used for monitoring the travelling speed of the trolley in real time, and the controller is used for receiving the speed signal sent by the speed detector and sending out a corresponding signal to control the brake driving unit to work. The controller can be provided with a speed threshold in advance, when the speed of the trolley exceeds a preset upper limit, the brake driving unit is controlled to brake, and when the speed is lower than a preset lower limit, the brake device stops working, and the trolley accelerates under the traction of the driving device. The brake driving unit is matched with the speed detector and the control unit, and controls the speed of the trolley in a preset speed range by continuously braking and releasing the brake, so that the sliding of the trolley is fully utilized, and the aim of saving energy is fulfilled.
Working principle: in the process of car departure and travelling, weights fall, a travelling shaft rotates, the car accelerates, a speed detector acquires the speed of the car in real time, when the speed of the car is lower than a preset upper limit, a brake steering engine is in a working state, a steering engine swing arm resists the tension of an elastic belt to a brake rack through a flexible rope, and the brake rack is pulled, so that the brake rack is separated from a brake gear on the travelling shaft, and the car travels normally; when the speed of the trolley is higher than the preset upper limit, the controller sends out a control signal, the brake steering engine stops working, so that the steering engine swing arm is reset to swing inwards, the flexible rope loses traction, the brake rack moves towards the brake gear under the action of the tension of the elastic belt and is meshed with the brake gear, the brake gear is prevented from rotating due to the action of the limiting ring on the rack support, the travelling shaft is further prevented, the braking effect is achieved, and at the moment, the trolley is in a deceleration sliding state; under the action of friction force, when the speed of the trolley is lower than the preset offline speed, the brake steering engine is restored to the working state, the brake rack is separated from the brake gear through the traction of the steering engine swing arm, the weight falls down, the travelling shaft rotates, the trolley accelerates to travel, and the speed of the trolley is stabilized in the preset speed range.
Compared with the prior art, the invention has the following characteristics:
1) The device has simple structure and obvious effect, and the device is additionally arranged on the gravitational potential energy driving trolley, so that the effect of decelerating and braking can be successfully achieved, and the purpose of controlling the speed is achieved;
2) The device has high energy utilization efficiency, and compared with the traditional trolley, the trolley with the device has obviously increased driving distance;
3) The device can be produced by adopting a 3d printing technology completely, has simpler part structure design and short manufacturing time on the premise of ensuring the strength and the reliability, can be debugged for many times without replacing parts, has low weight, reduces the whole weight of the trolley and reduces the friction resistance of the trolley;
4) The device has strong adjustability, can manually set a speed measuring range according to the actual situation of the track, and controls the braking frequency of the trolley so as to find the optimal threshold.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a brake device of a gravitational potential energy driven trolley of the present invention;
FIG. 2 is a front view of a brake assembly of a gravitational potential energy driven cart in accordance with the present invention;
FIG. 3 is a top view of a brake assembly of a gravitational potential energy driven cart in accordance with the present invention;
FIG. 4 is a schematic view of the structure of the brake rack engaged with the brake gear;
FIG. 5 is a schematic view of a brake rack and rack support;
the figure indicates:
1-brake steering engine, 2-brake steering engine support, 3-steering engine swing arm, 4-brake rack, 5-rack support, 6-brake gear, 7-advance axle support, 8-advance axle, 9-dolly chassis, 10-first slot, 11-second slot, 12-spacing boss, 13-couple, 14-spacing ring.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
Example 1:
in the brake device of the gravitational potential energy driving trolley shown in fig. 1,2 and 3, a brake steering engine 1 drives a steering engine swing arm 3 to swing, and the steering engine swing arm 3 is connected with a first groove 10 of a brake rack 4 through a flexible rope to drive the brake rack 4 to reciprocate; the second groove 11 of the brake rack 4 is connected with hooks 13 on two sides of the rack support 5 through rubber bands, so that the brake rack 4 and the brake gear 6 are in a meshed state in an initial state without external acting force, and the brake rack 4 and the brake gear 6 are separated through the action of the brake steering engine 1, so that the trolley is in a normal running state.
The core components of the device are a brake rack 4 and a brake gear 6 shown in fig. 4, the position of the brake rack 4 is limited by a rack bracket 5, and a limit boss 12 shown in fig. 5 is arranged on one side of the brake rack 4, so as to prevent the brake steering engine 1 from rotating excessively, and the brake rack 4 is pulled out of a limit ring. The height and the position of the rack bracket 5 can be changed for different trolleys to adapt to different trolleys; the modulus of the brake gear 6 and the brake rack 4 is not lower than 1 die, and is specifically designed according to the mechanism of the trolley.
The control of the braking mechanism is completed by a speed detector, a controller and a braking steering engine 1. The speed detector detects the speed of the trolley in real time, obtains the optimal speed range of the specific trolley through continuous experiments, and sets the threshold range in the controller. When the trolley gets off, the brake steering engine 1 is in a working state, the brake rack 4 is separated from the brake gear 6, the weight is normally lowered at the moment, the trolley is in an acceleration stage, when the speed of the trolley exceeds the preset upper limit, the controller controls the brake steering engine 1 to operate, the steering engine swing arm 3 is reset and swings towards the brake rack 4, the flexible rope is loosened, the brake rack 4 is meshed with the brake gear 6 under the action of the elastic force of the elastic band, at the moment, the brake state is achieved, the weight of the trolley stops to descend, the trolley slides by depending on the speed of the trolley, when the speed is lowered to the lower limit of the set speed under the action of the friction force, the brake steering engine 1 operates, the brake gear 6 and the brake rack 4 are separated, and the weight continues to descend, so that the process is repeated. In the process, the trolley fully utilizes the sliding distance of the speed of the trolley, and simultaneously saves the gravitational potential energy of the weights, thereby achieving the purpose of efficiently utilizing energy.
Example 2:
The experiment was performed using the apparatus as described in example 1, with a speed range of the preferred range after multiple experiments, for a 400mm height 1kg weight driven trolley, the trolley could climb 2 times, go through three-half obstacle avoidance, and actually travel a straight line distance of about 51.5 meters, starting from the climbing section. Compared with the traditional electric control carbon-free trolley, the travelling distance of the scheme is increased by one third, and the sliding distance of the trolley is fully utilized.
Example 3:
The device is arranged on the trolley and comprises a brake rack supporting mechanism, a brake rack 4 movably arranged on the brake rack supporting mechanism, a brake gear 6 arranged on a travelling shaft 8 of the trolley and matched with the brake rack 4, and a brake driving unit in transmission connection with the brake rack 4, wherein the brake rack 4 can be meshed with the brake gear 6 as shown in fig. 4.
The modulus of the brake gear 6 and the brake rack 4 is not lower than 1 die according to the mechanism design of the trolley, when the modulus is too low, the structural strength of the gear teeth is low, and meanwhile, the gear teeth are too dense, so that the braking is not smooth.
As shown in fig. 5, the brake rack supporting mechanism includes a rack bracket 5 and a stopper ring 14 provided on the rack bracket 5, and the brake rack 4 passes through the stopper ring 14 and is axially movable along the stopper ring 14.
The driving device of the trolley drives the wheels to rotate through the travelling shaft 8 to enable the trolley to move, the driving device comprises weights and connecting ropes, one ends of the connecting ropes are tied on the weights, the other ends of the connecting ropes are wound on the travelling shaft 8, when the weights fall, the connecting ropes on the travelling shaft 8 are unwound, and the travelling shaft 8 is driven to rotate through the connecting ropes, so that power is provided for the trolley, and the trolley is enabled to run at an accelerated speed. The brake driving unit is used for driving the brake rack 4 to generate displacement, and the brake rack 4 can only reciprocate along the axial direction of the limiting ring 14 under the limitation of the limiting ring 14. When the trolley normally runs, the brake rack 4 is separated from the brake gear 6 under the action of the brake driving unit, and the brake gear 6 rotates along with the running shaft 8; when the trolley needs to be braked, the brake driving unit loses the acting force on the brake rack 4, the brake rack 4 is reset, the brake rack 4 is meshed with the brake gear 6, the limiting ring 14 prevents the brake rack 4 from rotating along with the brake gear 6, the brake gear 6 is prevented from rotating, the travelling shaft 8 is further prevented from rotating, the wheels are prevented from rotating, the connecting rope is prevented from unwinding, the weight is prevented from falling under traction of the connecting rope, the trolley loses power, and the trolley is in a deceleration sliding state.
The rack support 5 is used for supporting the brake rack 5 on one hand, so that the stability of the device is improved; on the one hand, the brake rack is used for fixing the limiting ring 14, so that the brake rack 4 is limited to rotate along with the brake gear 6 in the braking process, and the auxiliary braking function is realized.
The brake driving unit comprises a brake steering engine 1 and a steering engine swing arm 3, wherein a first connecting hole and a second connecting hole are respectively formed in two ends of the steering engine swing arm 3, the first connecting hole is in transmission connection with the brake steering engine 1, and the second connecting hole is in transmission connection with a brake rack 4.
The brake steering engine 1 is an angle servo motor and is used for driving the steering engine swing arm 3 to swing, and when the steering engine swing arm 3 swings outwards, the brake rack 4 moves outwards along with the steering engine swing arm.
The brake rack 4 is located steering wheel swing arm 3 one end be equipped with first slot 10 and second slot 11 side by side, first slot 10 is located between steering wheel swing arm 3 and the second slot 11.
A flexible rope is arranged between the first groove 10 and the second connecting hole and is in transmission connection through the flexible rope.
The brake driving unit further comprises an elastic belt, hooks 13 are arranged on two sides of the rack support 5, the elastic belt is arranged between the second groove 11 and the hooks 13, and the brake rack 4 and the brake gear 6 are meshed with each other under the action of tensile force of the elastic belt.
The elastic band may be a commercially available elastic band such as a rubber band.
In the initial state, the brake steering engine 1 stands by, the flexible rope is in a loose state, and the elastic belt is tightened to enable the brake gear 6 to be meshed with the brake rack 4, and at the moment, the device is in a brake state; when the trolley is started or the trolley needs to accelerate, the brake steering engine 1 is electrified, the steering engine swing arm 3 swings outwards, the brake rack 4 is pulled outwards by overcoming the tension of the elastic belt through the flexible rope, and the brake gear 6 is separated from the brake rack 4, so that the effect of releasing the brake is achieved; when the trolley needs to brake, the brake steering engine 1 is powered off, the steering engine swing arm 3 swings inwards in a reset mode, the flexible rope is restored to a loose state, the brake rack 4 moves towards the brake gear 6 under the action of tension force of the elastic belt and is meshed with the brake gear 6, the brake gear 6 and the travelling shaft 8 stop rotating, the connecting rope wound on the travelling shaft 8 stops unwinding, the traction weight stops falling, and the trolley is in a deceleration sliding state under the action of friction force.
The side of the brake rack 4 is provided with a limit boss 12, and the limit boss 12 is positioned between the limit ring 14 and the brake gear 6.
The total section width of the limiting boss 12 and the brake rack 4 is larger than the width of the limiting ring 14, and the limiting boss 12 is used for limiting the axial displacement distance of the brake rack 4 along the limiting ring 14, so that the brake rack 4 is prevented from being separated from the limiting ring 14 due to the influence of a brake driving unit or inertia.
The trolley is provided with a trolley chassis 9, the trolley chassis 9 is provided with a travelling shaft support 7, the travelling shaft 8 is arranged on the travelling shaft support 7, the height of the brake rack 4 is matched with the height of the brake gear 6, the tooth surface of the brake rack 4 is tangential with the tooth surface of the brake gear 6, the contact surface of the brake rack 4 and the brake gear 6 is increased as much as possible, and therefore the meshing effect of the brake rack 4 and the brake gear 6 is improved.
The brake rack supporting mechanism and the brake driving unit are arranged on the trolley base 9, and the end part of the brake rack 4 is provided with brake teeth meshed with the brake gear 6.
The device such as brake steering engine support 2, steering engine swing arm 3, brake rack 4, rack support 5, brake gear 6, advance axle support 7, advance axle 8, dolly chassis 9 all can adopt 3d printing technique production, and part structural design is simpler, and the time spent in manufacturing is short, and part own weight is low, has alleviateed the whole weight of dolly, has reduced the frictional resistance of dolly.
The device also comprises a speed detector and a controller, wherein the controller is respectively and electrically connected with the speed detector and the brake driving unit.
The speed detector is arranged on the trolley shell and used for monitoring the travelling speed of the trolley in real time, and the controller is used for receiving the speed signal sent by the speed detector and sending out a corresponding control signal to control the brake driving unit to work. The controller is internally provided with a speed threshold, when the speed of the trolley exceeds a preset upper limit, the brake driving unit is controlled to brake, and when the speed is lower than a preset lower limit, the brake device stops working, and the trolley accelerates under the traction of the driving device. The brake driving unit is matched with the speed detector and the control unit, and controls the speed of the trolley in a preset speed range by continuously braking and releasing the brake, so that the sliding of the trolley is fully utilized, and the aim of saving energy is fulfilled.
Working principle: in the process of car departure and travelling, weights fall, a travelling shaft rotates, the car accelerates, a speed detector acquires the speed of the car in real time, when the speed of the car is lower than a preset upper limit, a brake steering engine 1 is in a working state, and a steering engine swing arm 3 resists the tension of an elastic belt on a brake rack 4 through a flexible rope, so that the brake rack 4 is separated from a brake gear 6 on a travelling shaft 8, and the car travels normally; when the speed of the trolley is higher than the preset upper limit, the controller sends a control signal, the brake steering engine 1 stops working, so that the steering engine swing arm 3 is reset to swing inwards, the flexible rope loses traction, the brake rack 4 moves towards the brake gear 6 under the action of the tension of the elastic belt and is meshed with the brake gear 6, the brake gear 4 is prevented from rotating due to the action of the limiting ring on the rack support 5, the travelling shaft 4 is further prevented, the braking effect is achieved, and at the moment, the trolley is in a deceleration sliding state; under the action of friction force, when the speed of the trolley is lower than the preset offline speed, the brake steering engine 1 is restored to be in a working state, the brake rack 4 is separated from the brake gear 6 through the traction of the steering engine swing arm 3, the weight falls, the traveling shaft 8 rotates, the trolley travels in an accelerating mode, and the speed of the trolley is stabilized in a preset speed range.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (6)
1. The device is arranged on the trolley and is characterized by comprising a brake rack supporting mechanism, a brake rack (4) movably arranged on the brake rack supporting mechanism, a brake gear (6) arranged on a travelling shaft (8) of the trolley and matched with the brake rack (4) and a brake driving unit in transmission connection with the brake rack (4);
The brake rack supporting mechanism comprises a rack support (5) and a limiting ring (14) arranged on the rack support (5), wherein the brake rack (4) penetrates through the limiting ring (14) and can axially move along the limiting ring (14);
the brake driving unit comprises a brake steering engine (1) and a steering engine swing arm (3), wherein a first connecting hole and a second connecting hole are respectively formed in two ends of the steering engine swing arm (3), the first connecting hole is in transmission connection with the brake steering engine (1), and the second connecting hole is in transmission connection with a brake rack (4);
A first groove (10) and a second groove (11) are arranged at one end of the brake rack (4) positioned at the steering engine swinging arm (3) in parallel, and the first groove (10) is positioned between the steering engine swinging arm (3) and the second groove (11);
the side of the brake rack (4) is provided with a limit boss (12), and the limit boss (12) is positioned between the limit ring (14) and the brake gear (6).
2. The brake device of the gravitational potential energy driven trolley according to claim 1, wherein a flexible rope is arranged between the first groove (10) and the second connecting hole and is in transmission connection through the flexible rope.
3. The braking device of the gravitational potential energy driven trolley according to claim 1, wherein hooks (13) are arranged on two sides of the rack support (5), and an elastic belt is arranged between the second groove (11) and the hooks (13).
4. The brake device of the gravitational potential energy driven trolley according to claim 1, wherein a trolley chassis (9) is arranged on the trolley, a travelling shaft support (7) is arranged on the trolley chassis (9), and the travelling shaft (8) is arranged on the travelling shaft support (7).
5. The brake device of the gravitational potential energy driven trolley according to claim 4, wherein the brake rack supporting mechanism and the brake driving unit are arranged on a trolley chassis (9), and brake teeth meshed with the brake gear (6) are arranged at the end part of the brake rack (4).
6. The brake apparatus of a gravitational potential energy driven cart of claim 1, further comprising a speed detector and a controller electrically connected to the speed detector and the brake drive unit, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610668.0A CN110329223B (en) | 2019-07-08 | 2019-07-08 | Brake device of gravitational potential energy driving trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610668.0A CN110329223B (en) | 2019-07-08 | 2019-07-08 | Brake device of gravitational potential energy driving trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110329223A CN110329223A (en) | 2019-10-15 |
| CN110329223B true CN110329223B (en) | 2024-07-23 |
Family
ID=68143417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910610668.0A Active CN110329223B (en) | 2019-07-08 | 2019-07-08 | Brake device of gravitational potential energy driving trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110329223B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121245921B (en) * | 2025-12-03 | 2026-04-24 | 京东科技信息技术有限公司 | Brake device, transmission system and robot |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210454777U (en) * | 2019-07-08 | 2020-05-05 | 上海工程技术大学 | Brake device of gravitational potential energy driven trolley |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08198067A (en) * | 1995-01-20 | 1996-08-06 | Mitsubishi Motors Corp | Parking brake device for electric vehicles |
| KR20020052260A (en) * | 2000-12-26 | 2002-07-04 | 이계안 | A Rear Axle with Parking Brake |
| DE102005042194B4 (en) * | 2005-09-06 | 2016-09-15 | Robert Bosch Gmbh | Parking brake for a vehicle |
| JP2008201162A (en) * | 2007-02-16 | 2008-09-04 | Toyota Motor Corp | Automatic transmission parking mechanism |
| JP5136463B2 (en) * | 2009-02-27 | 2013-02-06 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission parking device |
| CN202006735U (en) * | 2011-01-04 | 2011-10-12 | 上海理工大学 | Disc-free braking system |
| CN202966274U (en) * | 2012-12-17 | 2013-06-05 | 李勇 | Automobile auxiliary braking and auxiliary starting system |
| KR20140129901A (en) * | 2013-04-30 | 2014-11-07 | 현대위아 주식회사 | Parking apparatus for an automated manual transmission |
| CN204368120U (en) * | 2014-12-17 | 2015-06-03 | 侯正涛 | A kind of automobile plugging brake gear |
| CN204978601U (en) * | 2015-06-04 | 2016-01-20 | 陈永庭 | Large automobile jaw type brake equipment |
| CN206664518U (en) * | 2017-03-29 | 2017-11-24 | 上海工程技术大学 | A kind of anticollision auxiliary brake |
| CN207257357U (en) * | 2017-10-09 | 2018-04-20 | 北京工商大学 | A kind of Simple module elastic force equation motorcycle race |
| CN209051339U (en) * | 2018-09-06 | 2019-07-02 | 山东科技大学 | A kind of carbon-free energy conservation cargo transport trolley |
| CN109591782A (en) * | 2018-12-10 | 2019-04-09 | 浙江特康电子科技有限公司 | A kind of mobile robot braking mechanism |
| CN109624941B (en) * | 2018-12-16 | 2021-10-12 | 宁波诺金精密部件制造有限公司 | Quick braking system used on automobile |
-
2019
- 2019-07-08 CN CN201910610668.0A patent/CN110329223B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210454777U (en) * | 2019-07-08 | 2020-05-05 | 上海工程技术大学 | Brake device of gravitational potential energy driven trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110329223A (en) | 2019-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1323019C (en) | Device for the acceleration of bodies, especially a mobile catapult for flying bodies | |
| CN208378222U (en) | A kind of hoisting trolley traction device | |
| CN115377859A (en) | Cable tray trolley type cable traction device | |
| CN109835813A (en) | A kind of Port Container Cranes convenient for remote control | |
| CN210454777U (en) | Brake device of gravitational potential energy driven trolley | |
| CN110329223B (en) | Brake device of gravitational potential energy driving trolley | |
| CN115321118B (en) | Ferry vehicle | |
| CN216104394U (en) | Intelligent trolley structure | |
| CN206154205U (en) | Multi -functional dolly is used in assembly line assembly | |
| CN212151406U (en) | Light folding cantilever crane | |
| CN219298019U (en) | Bridge construction is with hanging basket device convenient to carry out vertical hoisting | |
| CN101767752B (en) | Electricity-driven fast cable traction device | |
| CN103771276B (en) | A kind of novel integrated electric hoist | |
| CN201437491U (en) | Dynamic windproof device for rail-mounted crane | |
| CN218421030U (en) | Compact rail vehicle for hanging performance | |
| CN201647869U (en) | Drive-type rapid rope towing device | |
| CN216102067U (en) | Intelligent sliding rope type mountain transportation device | |
| CN206616915U (en) | Lift falling proof device | |
| CN210150626U (en) | Lifting trolley for production of flotation equipment | |
| CN121141213B (en) | Single track hangs braking force test device | |
| CN221233752U (en) | Empty rail ground rescue system | |
| CN112124458A (en) | Power driving device capable of automatically protecting and cleaning wheels | |
| CN106392980A (en) | Multifunctional trolley used for production line assembly | |
| CN224076978U (en) | Adjustable crane balancing weight mounting structure | |
| CN111942408A (en) | Pulley power generation driving device on high-altitude cable car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |