Search

CN-224211112-U - Intelligent control's carriage dolly of selling goods braking system

CN224211112UCN 224211112 UCN224211112 UCN 224211112UCN-224211112-U

Abstract

The utility model discloses a braking system of an intelligent control carriage vending trolley, which comprises an intelligent control system, a service braking mechanism and an emergency braking mechanism, wherein the service braking mechanism is controlled by the intelligent control system and comprises a parallel frame and a first electric actuator for pushing the parallel frame to deform, the emergency braking mechanism comprises a ground friction piece and a second electric actuator for pushing the ground friction piece, and the intelligent control system comprises a hand induction part arranged on a hand lever and a speed induction mechanism arranged at the bottom of a trolley body. The automatic braking device has the advantages that the braking can be automatically released only by naturally grasping the supporting rod, the braking can be automatically implemented only by naturally releasing hands, the braking and the releasing are automatically implemented without foot steps, the labor intensity of service personnel selling on a train is greatly reduced, when the conventional braking of the trolley is invalid for a long time, the emergency braking can be automatically implemented when the trolley is not controlled to slide by people, and passengers are prevented from being injured, equipment is prevented from being damaged and goods are prevented from being scattered.

Inventors

  • WU YINWEI
  • DENG JIANHUA
  • YANG YONGZHOU
  • YIN JIANXIONG
  • ZHANG MENG
  • HU ZHIJUN
  • Rong Qianghua
  • ZHANG JIANXIN
  • FAN WEIQIANG
  • ZHU YONGJUN
  • Zhou Zhenba
  • Fang Yalei
  • WU XUJING
  • DONG JIANKAI

Assignees

  • 中国铁路上海局集团有限公司杭州客运段

Dates

Publication Date
20260508
Application Date
20231225

Claims (10)

  1. 1. The braking system of the intelligent control carriage vending trolley is characterized by comprising an intelligent control system, a service braking mechanism and an emergency braking mechanism, wherein the service braking mechanism is controlled by the intelligent control system and comprises a parallel frame (1) and a first electric actuator for pushing the parallel frame (1) to deform, the emergency braking mechanism comprises a ground friction piece and a second electric actuator for pushing the ground friction piece, and the intelligent control system comprises a walking sensing part (4) arranged on a walking bar (13) and a speed sensing mechanism (5) arranged at the bottom of a trolley body.
  2. 2. The braking system of the intelligent controlled wagon vending trolley according to claim 1, wherein the electric actuator is an electromagnet push rod (6) with a rod body (601) for applying thrust in one direction, the electromagnet push rod (6) generates thrust to the rod body (601) to push a stroke with a set length in one direction when power is supplied, external force can axially push the rod body (601) when power is lost, and the two electromagnet push rods (6) are alternately powered when power is lost and are respectively used for braking and releasing the universal wheel (15).
  3. 3. The braking system of the intelligent controlled wagon vending trolley according to claim 2, wherein the rod body parts (601) of the two electromagnet push rods (6) are connected and fixed with the first braking push rod (101) or the second braking push rod (102) through connecting pieces (7), and the thrust directions of the two electromagnet push rods are opposite.
  4. 4. The braking system of the intelligent controlled wagon vending trolley according to claim 2, wherein the rod body parts (601) of the two electromagnet push rods (6) are respectively arranged on the first braking push rod (101) and the second braking push rod (102) through connecting pieces (7), and the thrust directions of the two push rods are the same.
  5. 5. The brake system of the intelligent controlled wagon vending cart according to claim 2, wherein the first electric actuator is a common brake cylinder (8) for pushing the first brake push rod (101) or the second brake push rod (102) in two directions.
  6. 6. The brake system of the intelligent controlled wagon vending trolley according to claim 1, wherein the second electric actuator is an emergency brake cylinder (9) with a telescopic rod (901), the emergency brake cylinder (9) is arranged on a bottom plate (12) of the trolley, the telescopic rod (901) extends towards the ground, and the ground friction piece is fixed at the bottom end of the telescopic rod (901).
  7. 7. The braking system of the intelligent control wagon vending trolley according to claim 6, wherein the ground friction piece is a supporting column (10), when the intelligent control wagon vending trolley is applied, the bottom end of the supporting column (10) is grounded, two emergency braking cylinders (9) for installing the supporting column (10) are symmetrically arranged at one end of a bottom plate (12) close to two sides of a universal wheel (15), and when in emergency braking, the end wagon is lifted to enable the end universal wheel (15) to be separated from the ground.
  8. 8. The brake system of an intelligent controlled wagon vending cart according to claim 6, wherein the ground friction member is a rubber column (11).
  9. 9. The brake system of an intelligent controlled wagon vending cart according to claim 1, wherein the speed sensing mechanism (5) comprises a code wheel (501) which is sensed and monitored and runs on the ground, and the rotation speed of the code wheel (501) are collected, processed and sent out a service brake command or an emergency brake command by the intelligent control system when necessary.
  10. 10. The brake system of an intelligent controlled car vending cart according to claim 2, wherein the speed sensing mechanism (5) further comprises a mounting shaft (502), a torsion spring (504) and a crank (503), the mounting shaft (502) is fixed on the base plate (12), one end of the crank (503) is mounted on the mounting shaft (502), the code wheel (501) is mounted on the other end of the crank (503), the torsion spring (504) is mounted on the mounting shaft (502), and pressure pressing the crank (503) to the ground is applied.

Description

Intelligent control's carriage dolly of selling goods braking system Technical Field The utility model relates to an intelligent control braking system of a carriage vending trolley, and belongs to the technical field of trolley braking. Background The conventional trolley for vending on passenger train is braked by extruding wheels through rubber brake blocks and by means of rubber Friction between the glue and the wheels slows down or keeps the trolley stationary. The main structure and the working principle are shown in figures 3-6: The parallel frame 1 is provided with a first braking push rod 101 and a second braking push rod 102 which are longitudinally parallel to each other, a front hinge plate 103 and a rear hinge plate 104 which are transversely parallel to each other, and two ends of the front hinge plate 103 and the rear hinge plate 104 are respectively hinged with the first braking push rod 101 and the second braking push rod 102, so that the parallel frame 1 can deform in parallel. The middle parts of the front hinge plate 103 and the rear hinge plate 104 are provided with shaft holes, two ends of the parallel frame 1 are provided with vertical limiting shafts 106, and the front hinge plate 103 and the rear hinge plate 104 are sleeved on the limiting shafts 106 through respective shaft holes and can rotate around respective limiting shafts 106. Brake protrusions 105 are arranged at two ends of the front hinge plate 103 and the rear hinge plate 104, when the brake push rod 101 is pushed to enable the parallel frame 1 to be rectangular, the brake protrusions 105 on the front hinge plate 103 and the rear hinge plate 104 just jack up the brake lever 2 with the brake pad 3 to enable the brake pad 3 to press the universal wheels 15 to realize braking, and when the brake push rod 102 is pushed to enable the front hinge plate 103 and the rear hinge plate 104 to rotate to form a certain angle with the corresponding brake lever 2, the brake protrusions 105 on the front hinge plate 103 and the rear hinge plate 104 just leave the brake lever 2, and the brake lever 2 is reset under the action of the tension spring 202 to release braking. The traditional braking and releasing mode is that a first braking pedal and a second braking pedal which are respectively connected with a first braking push rod 101 and a second braking push rod 102 are arranged on a bottom plate 12 at the front end and the rear end of the trolley, and the braking and releasing of the trolley are completed by stepping on the first braking pedal and the second braking pedal when the trolley is applied. However, for the arrangement, the user generally reflects the defects that firstly, the service braking and the releasing of the braking feel are laborious and inconvenient, an intelligent control mode which is convenient and labor-saving is expected, and secondly, after the traditional braking device is used for a period of time, the braking failure can occur along with the abrasion and aging of the rubber blocks, so that the vehicle slides. Against this background, the present corporate project group developed intelligent series of rail passenger service carts. Disclosure of utility model The technical problem to be solved by the utility model is mainly how to implement labor-saving reliable intelligent control on the trolley. Aiming at the problems, the technical proposal provided by the utility model is as follows: The utility model provides a braking system of intelligent control's carriage dolly of selling goods, includes intelligent control system, receives intelligent control system control's service braking mechanism and emergency braking mechanism, service braking mechanism includes parallel frame and is used for promoting the electric actuator first that the parallel frame warp, emergency braking mechanism includes ground friction spare and promotes ground friction spare's electric actuator second, intelligent control system is including establishing the hand induction part on holding up the thick stick and establishing the speed induction mechanism in the automobile body bottom. Further, the first electric actuator is an electromagnet push rod with a rod body part for applying thrust in one direction, when the electromagnet push rod is powered on, the electromagnet push rod generates thrust to push the rod body part to a stroke with a set length in one direction, when power is lost, the external force can axially push the rod body part, and when the electromagnet push rod is powered off, two electromagnet push rods are powered on alternately and are respectively used for braking and releasing the universal wheel. Further, the rod body parts of the two electromagnet push rods are connected and fixed with the first brake push rod or the second brake push rod through connecting pieces, and the thrust directions of the two electromagnet push rods are opposite. Further, the rod body parts of the two electromagnet push rods are respec