CN2302176Y

CN2302176Y - Braking device of cart for travelling up or down stairs

Info

Publication number: CN2302176Y
Application number: CN 97234344
Authority: CN
Inventors: 范渝生
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-04-17
Filing date: 1997-04-17
Publication date: 1998-12-30
Anticipated expiration: 2007-04-17

Abstract

The utility model discloses a braking device for stair climbing carts, which comprises a cart frame, an axle on the cart frame, walking brackets on both side ends of the axle and small wheels arranged on the end heads of the walking brackets, wherein the lateral surfaces of the axle, which are positioned on the walking brackets, are sheathed with braking brackets, the shape of each of the braking brackets is the same as that of each of the walking brackets, the end heads of the braking brackets are provided with braking bowls which are aligned with the small wheels, and positioning pins are arranged on the braking brackets and are sheathed with springs to be inserted in positioning holes on the walking brackets; the lateral surfaces of the axle, which are positioned on the braking brackets, are sheathed with top pipes. The device is arranged on various stair climbing carts and can play a braking function at any moment to avoid the occurrence of hazardous conditions.

Description

The brake equipment of cart for travelling up or down stairs

The utility model relates to a kind of cart for travelling up or down stairs.

Existing commercially available cart for travelling up or down stairs, outward appearance is various, but its Climbing building device principle is all identical, principal character is that the axletree both sides of vehicle frame are equipped with a planet and rotate mobile roof support, each support by three or multi-disc strip sheet metal therefrom the outer radial structure of mind-set form, center fixation has a metal tube, it is rotatable that this pipe box is gone into axletree, steamboat is equipped with in the termination of backbone metal sheet, and each is fixed steamboat by wheel shaft, drags cart for travelling up or down stairs when topping bar, steamboat can rotate, support also rotates around axletree simultaneously, but this type of cart for travelling up or down stairs does not all have braking device, if when stair stop midway rest, must firmly hold, weigh down down otherwise very easily slide, when particularly bearing a heavy burden upstairs, abnormally dangerous.

The purpose of this utility model is: a kind of brake equipment of cart for travelling up or down stairs is provided, it is equipped on all kinds of cart for travelling up or down stairss, can play the effect of drag at any time, avoid the generation of dangerous situation.

The technical solution of the utility model is: a kind of brake equipment of cart for travelling up or down stairs, comprise vehicle frame, axletree on the vehicle frame, the mobile roof support of axletree two side ends, be located at the steamboat of mobile roof support termination, the side that is positioned at mobile roof support on the described axletree is with the brake support identical with the mobile roof support shape, the termination of brake support is provided with the braking bowl, braking bowl aligning steamboat, the brake support is provided with locating dowel pin, be with on the locating dowel pin in the knock hole on spring and the insertion mobile roof support, the side of the upper brake support of described axletree is with push pipe, the side of push pipe is provided with slotted hole, and the coupling end of vehicle frame and axletree just is stuck in the slotted hole, and an end of described push pipe is provided with the end face tooth, the end face tooth is aimed at the side tooth that brake support side is provided with, be provided with extension spring in the push pipe and make push pipe press to the brake support, also be connected with the brake cable of holding push pipe on the push pipe, brake cable is connected with brake handle on being fixed on vehicle frame.

The further technical scheme of the utility model is: a kind of brake equipment of cart for travelling up or down stairs, comprise vehicle frame, axletree on the vehicle frame, the mobile roof support of axletree two side ends, be located at the steamboat of mobile roof support termination, the side that is positioned at mobile roof support on the described axletree is with the brake support identical with the mobile roof support shape, the termination of brake support is provided with the braking bowl, braking bowl aligning steamboat, the brake support is provided with locating dowel pin, be with on the locating dowel pin in the knock hole on spring and the insertion mobile roof support, the side of the upper brake support of described axletree is with push pipe, the side of push pipe is provided with slotted hole, and the coupling end of vehicle frame and axletree just is stuck in the slotted hole, and an end of described push pipe is provided with the end face tooth, the end face tooth is aimed at the side tooth that brake support side is provided with, be provided with extension spring in the push pipe and make push pipe press to the brake support, also be connected with the brake cable of holding push pipe on the push pipe, brake cable is connected with brake handle on being fixed on vehicle frame; Described brake by clamp fitting on vehicle frame anchor clamps and formed by clamp and pivotally attached handle; Steel wire in the described brake cable is connected on push pipe and the handle, and the sleeve pipe of brake cable then is separately fixed at and is arranged on the axletree middle catch and anchor clamps.

The utility model has the advantages that:

1. the utility model makes the performance of cart for travelling up or down stairs more perfect for existing cart for travelling up or down stairs provides brake device, uses safer reliably, and rational in infrastructure, need not existing cart for travelling up or down stairs is done great change.

2. the utility model brakes to mobile roof support and steamboat respectively simultaneously at glancing impact, can guarantee safe and reliable, and in whole use braking brake at any time.

The utility model will be further described below in conjunction with drawings and Examples:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is an assembling scheme drawing of the present utility model.

Wherein: 1. vehicle frame; 2. axletree; 3. mobile roof support; 4. steamboat; 5. brake support; 6. brake bowl; 7. locating dowel pin; 8. spring; 9. knock hole; 10. push pipe; 11. slotted hole; 12. end face tooth; 13. side tooth; 14. extension spring; 15. brake cable; 16. brake handle; 17. anchor clamps; 18. handle; 19. steel wire; 20. sleeve pipe; 21. catch.

Embodiment: as Fig. 1, shown in Figure 2, a kind of brake equipment of cart for travelling up or down stairs, comprise vehicle frame [1], axletree [2] on the vehicle frame [1], the mobile roof support [3] of axletree [2] two side ends, be located at the steamboat [4] of mobile roof support [3] termination, the side that is positioned at mobile roof support [3] on the described axletree [2] is with the brake support [5] identical with mobile roof support [3] shape, the termination of brake support [5] is provided with braking bowl [6], braking bowl [6] is aimed at steamboat [4], brake support [5] is provided with locating dowel pin [7], be with on the locating dowel pin [7] in the knock hole [9] on spring [8] and the insertion mobile roof support [3], the side of the upper brake support of described axletree [2] [5] is with push pipe [10], the side of push pipe [10] is provided with slotted hole [11], vehicle frame [1] just is stuck in the slotted hole [11] with the coupling end of axletree [2], one end of described push pipe [10] is provided with end face tooth [12], end face tooth [12] is aimed at the side tooth [13] that brake support [5] side is provided with, being provided with extension spring [14] in the push pipe [10] makes push pipe [10] press to brake support [5], also be connected with the brake cable [15] of holding push pipe [10] on the push pipe [10], brake cable [15] is connected with brake handle [16] on being fixed on vehicle frame [1]; Described brake [16] by clamp fitting on vehicle frame [1] anchor clamps [17] and clamped by anchor clamps [17] and pivotally attached handle [18] is formed; Steel wire [19] in the described brake cable [15] is connected on push pipe [10] and the handle [18], and the sleeve pipe [20] of brake cable [15] then is separately fixed at and is arranged on axletree [2] the middle catch [21] and anchor clamps [17].During use, brake support [5] is inserted in the knock hole [9] on the mobile roof support [3] by thereon locating dowel pin [7], therefore, brake support [5] and then mobile roof support [3] rotates together, and the spring [8] that is overlapped on the locating dowel pin [7] ejects brake support [5], and and form between the mobile roof support [3] at interval, even braking bowl [6] leaves steamboat [4], do not influence the rotation of steamboat [4]; Glancing impact, hold brake crank [18], brake steel wire [19] unclamps push pipe [10], push pipe [10] is gone up mobile under the effect of extension spring [14] at axletree [2], compress brake support [5], side tooth [13] interlock on end face tooth [12] on the push pipe [10] and the brake support [5], make push pipe [10] with brake support [5] interlock, and can not rotate because snapping in of vehicle frame [1] arranged in the slotted hole [11] on the push pipe [10], so that this moment brake support [5] can not rotate, still under the effect of the extension spring [14] in push pipe [10], carve the elastic force of having obeyed the spring [8] on the locating dowel pin [7], make brake support [5] also compress mobile roof support [3], at this moment, braking bowl [6] has also compressed steamboat [4], steamboat [4] can not be rotated, thereby up hill and dale cart for travelling up or down stairs has been checked.

Claims

1. the brake equipment of a cart for travelling up or down stairs, comprise vehicle frame [1], the mobile roof support [3] of axletree [2] axletree [2] two side ends on the vehicle frame [1], be located at the steamboat [4] of mobile roof support [3] termination, it is characterized in that: the side that is positioned at mobile roof support [3] on the described axletree [2] is with the brake support [5] identical with mobile roof support [3] shape, the termination of brake support [5] is provided with braking bowl [6], braking bowl [6] is aimed at steamboat [4], brake support [5] is provided with locating dowel pin [7], be with on the locating dowel pin [7] in the knock hole [9] on spring [8] and the insertion mobile roof support [3], the side that the side of the upper brake support of described axletree [2] [5] is with push pipe [10] push pipe [10] is provided with slotted hole [11], vehicle frame [1] just is stuck in the slotted hole [11] with the coupling end of axletree [2], one end of described push pipe [10] is provided with end face tooth [12], end face tooth [12] is aimed at the side tooth [13] that brake support [5] side is provided with, being provided with extension spring [14] in the push pipe [10] makes push pipe [10] press to brake support [5], also be connected with the brake cable [15] of holding push pipe [10] on the push pipe [10], brake cable [15] is connected with brake handle [16] on being fixed on vehicle frame [1].

2. the brake equipment of cart for travelling up or down stairs according to claim 1 is characterized in that: described brake [16] by the anchor clamps of clamp fitting on vehicle frame [1] [171 and clamped by anchor clamps [17] and pivotally attached handle [18] is formed.

3. the brake equipment of cart for travelling up or down stairs according to claim 1 and 2, it is characterized in that: the steel wire [19] in the described brake cable [15] is connected on push pipe [10] and the handle [18], and the sleeve pipe [20] of brake cable [15] then is separately fixed at and is arranged on axletree [2] the middle catch [21] and anchor clamps [17].