CN204116038U - A kind of fork truck brake pedal stress application test device - Google Patents

A kind of fork truck brake pedal stress application test device Download PDF

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Publication number
CN204116038U
CN204116038U CN201420666705.2U CN201420666705U CN204116038U CN 204116038 U CN204116038 U CN 204116038U CN 201420666705 U CN201420666705 U CN 201420666705U CN 204116038 U CN204116038 U CN 204116038U
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CN
China
Prior art keywords
brake pedal
boosting
rod
fork truck
truck brake
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.)
Expired - Fee Related
Application number
CN201420666705.2U
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Chinese (zh)
Inventor
刘显贵
刘诗彬
张少辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen University of Technology
Original Assignee
Xiamen University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiamen University of Technology filed Critical Xiamen University of Technology
Priority to CN201420666705.2U priority Critical patent/CN204116038U/en
Application granted granted Critical
Publication of CN204116038U publication Critical patent/CN204116038U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of fork truck brake pedal stress application test device, comprise pressure transducer, lower lock block, down-pressed pole, boosting-rod, stabilizer bar, fixed bar, wire, A D converter, single-chip microcomputer and charactron, this down-pressed pole is connected with boosting-rod and can vertically extends, this lower lock block is fixed on down-pressed pole lower end, and this pressure transducer to be arranged on below lower lock block and to be fixed on brake pedal; This boosting-rod is all rotatably connected with fixed bar with stabilizer bar, this stabilizer bar has several spaced unthreaded holes in their length direction, and be rotatably connected with boosting-rod by one of them unthreaded hole, this pressure transducer by wire and A D converter be connected, this A D converter be connected with charactron by single-chip microcomputer again.Compared with prior art, the utility model not only can reach the high feature of measuring accuracy, and owing to can directly pressure value be shown, very convenient.

Description

A kind of fork truck brake pedal stress application test device
Technical field
The utility model relates to fork truck mechanism for testing field, relates to a kind of fork truck brake pedal stress application test device in particular.
Background technology
According to ISO 6292 standard, detent steering force and brake part intensity should lower than the numerical value of regulation in following 1.1 ~ 1.2 two and table 1.
1.1 for the fork truck being moved downward (pushing down on the pedal) realization driving or stopping brake by brake pedal, and detent steering force should meet the steering force being not more than 450N in use, and fork truck should be able to reach required service brake performance and stopping brake performance.
1.2 realize driving or the fork truck of stopping brake for being moved downward (pushing down on the pedal) by brake pedal, and the intensity of brake system at least should can bear the operating physical force of 1200N, and do not occur any affect braking ability or function damage, crackle or distortion.
Table 1 detent steering force and part strength
Carrying out this test at present, namely during brake system of forklift test, general is all utilize two testers, it is allowed to step on brake pedal together, so that produce the pressure of more than 1200N, because current method of testing adopts pure artificial mode, not too convenient when it is not only tested, labour intensity is large, and also not ideal in measuring accuracy.
For the problems referred to above, the present inventor, for above-mentioned defect further investigation of the prior art, has this case to produce then.
Utility model content
The purpose of this utility model is to provide a kind of fork truck brake pedal stress application test device, there is to solve the prior art pure artificial mode of employing the problem that convenience is poor and measuring accuracy is not high.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of fork truck brake pedal stress application test device, wherein, comprise pressure transducer, lower lock block, down-pressed pole, boosting-rod, stabilizer bar, fixed bar, wire, A D converter, single-chip microcomputer and charactron, this down-pressed pole is connected with boosting-rod and can vertically extends, this lower lock block is fixed on down-pressed pole lower end, and this pressure transducer to be arranged on below lower lock block and to be fixed on brake pedal; This boosting-rod is all rotatably connected with fixed bar with stabilizer bar, this stabilizer bar has several spaced unthreaded holes in their length direction, and be rotatably connected with boosting-rod by one of them unthreaded hole, this pressure transducer by wire and A D converter be connected, this A D converter be connected with charactron by single-chip microcomputer again.
Further, this fork truck brake pedal augmentor also comprises screw, and lower lock block is fixed on down-pressed pole by this screw.
Further, the hole for placement force sensor is formed bottom this lower lock block.
Further, this fork truck brake pedal augmentor also comprises stabilizer bar clamp, stabilizer bar connection panel beating, boosting-rod clamp and boosting-rod connect panel beating; This stabilizer bar clamp one end is rotatably connected with stabilizer bar, and the other end connects panel beating geometrical clamp by stabilizer bar and is located on fixed bar; This boosting-rod clamp one end is rotatably connected with boosting-rod, and the other end is located on fixed bar by adding bar connection panel beating fixed mount.
Further, this fork truck brake pedal augmentor also comprises contiguous block, this contiguous block is processed with the threaded hole that two are respectively used to fixing down-pressed pole and boosting-rod.
Further, this fork truck brake pedal augmentor also comprises contiguous block, and this contiguous block is processed with a threaded hole, this down-pressed pole is fixedly linked by threaded hole and contiguous block, and this boosting-rod is welded on contiguous block.
Further, this down-pressed pole is also welded with hexagonal nut.
After adopting said structure, a kind of fork truck brake pedal stress application test device that the utility model relates to, fixed bar is fixed on vehicle frame by it, the installation site of modification stability bar unthreaded hole and boosting-rod ensures lower surface and the brake pedal plane orthogonal of pressure transducer, now use spanner twisting hexagonal nut, because hexagonal nut and down-pressed pole are welded together and contiguous block and lower lock block are threaded connection, therefore under the extruding of fixed bar, down-pressed pole moves down, and the pressure transducer promoted in lower lock block contacts with brake pedal and produces pressure.
Now, pressure transducer produce voltage signal, then by wire be delivered to A D converter, make simulating signal convert digital signal to, after single-chip microcomputer processing digital signal, go out the size of pressure at numeral method.
Compared with prior art, the utility model not only can reach the high feature of measuring accuracy, and owing to can directly pressure value be shown, very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model relates to a kind of fork truck brake pedal stress application test device mechanical part.
Fig. 2 is the structural representation that the utility model relates to a kind of fork truck brake pedal stress application test device circuit part.
Fig. 3 is the structural representation of contiguous block first embodiment.
Fig. 4 is the structural representation of contiguous block second embodiment.
In figure:
Lower lock block-1; Pressure transducer-11; A D converter-12;
Single-chip microcomputer-13; Charactron-14; Down-pressed pole-2;
Hexagonal nut-21; Boosting-rod-3; Boosting-rod clamp-31;
Boosting-rod connects panel beating-32; Stabilizer bar-4; Unthreaded hole-41;
Stabilizer bar clamp-42; Stabilizer bar connects panel beating-43;
Fixed bar-5; Contiguous block-6; Threaded hole-61.
Embodiment
In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.
As shown in Figures 1 to 4, a kind of fork truck brake pedal stress application test device that the utility model relates to, comprise pressure transducer 11, lower lock block 1, down-pressed pole 2, boosting-rod 3, stabilizer bar 4, fixed bar 5, wire, A D converter 12, single-chip microcomputer 13 and charactron 14, this down-pressed pole 2 is connected with boosting-rod 3 and can vertically extends, this lower lock block 1 is fixed on down-pressed pole 2 lower end, this pressure transducer 11 to be arranged on below lower lock block 1 and to be fixed on brake pedal, concrete, be formed with the hole for placement force sensor 11 bottom this lower lock block 1; This boosting-rod 3 is all rotatably connected with fixed bar 5 with stabilizer bar 4, this stabilizer bar 4 has several spaced unthreaded holes 41 in their length direction, and be rotatably connected with boosting-rod 3 by one of them unthreaded hole 41, this pressure transducer 11 by wire and A D converter 12 be connected, this A D converter 12 be connected with charactron 14 by single-chip microcomputer 13 again.
Conveniently spanner twisting, this down-pressed pole 2 is also welded with hexagonal nut 21.
Further, this fork truck brake pedal augmentor also comprises stabilizer bar clamp 42, stabilizer bar connection panel beating 43, boosting-rod clamp 31 and boosting-rod connect panel beating 32; This stabilizer bar clamp 42 one end is rotatably connected with stabilizer bar 4, and the other end connects panel beating 43 geometrical clamp by stabilizer bar and is located on fixed bar 5; This boosting-rod clamp 31 one end is rotatably connected with boosting-rod 3, and the other end is located on fixed bar 5 by adding bar connection panel beating 32 fixed mount.
Like this, fixed bar 5 is fixed on vehicle frame by the utility model, modification stability bar 4 unthreaded hole 41 ensures lower surface and the brake pedal plane orthogonal of pressure transducer 11 with the installation site of boosting-rod 3, now use spanner twisting hexagonal nut 21, because hexagonal nut 21 and down-pressed pole 2 are welded together and contiguous block 6 and lower lock block 1 are threaded connection, therefore under the extruding of fixed bar 5, down-pressed pole 2 moves down, and the pressure transducer 11 promoting lower lock block 1 li contacts with brake pedal and produces pressure.Now, pressure transducer 11 produces voltage signal, then by wire be delivered to A D converter 12, make simulating signal convert digital signal to, after single-chip microcomputer 13 processing digital signal, demonstrate the size of pressure at charactron 14.
Particularly, the concrete enforcement structure be fixedly connected with down-pressed pole 2 as above-mentioned lower lock block 1, this fork truck brake pedal augmentor also comprises screw, and lower lock block 1 is fixed on down-pressed pole 2 by this screw.
As shown in Figure 3, this fork truck brake pedal augmentor also comprises contiguous block 6, this contiguous block 6 is processed with the threaded hole 61 that two are respectively used to fixing down-pressed pole 2 and boosting-rod 3.
As shown in Figure 4, as another embodiment of contiguous block 6, this fork truck brake pedal augmentor also comprises contiguous block 6, this contiguous block 6 is processed with a threaded hole 61, this down-pressed pole 2 is fixedly linked by threaded hole 61 and contiguous block 6, and this boosting-rod 3 is welded on contiguous block 6.
Compared with prior art, the utility model not only can reach the high feature of measuring accuracy, and owing to can directly pressure value be shown, very convenient.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.

Claims (7)

1. a fork truck brake pedal stress application test device, it is characterized in that, comprise pressure transducer, lower lock block, down-pressed pole, boosting-rod, stabilizer bar, fixed bar, wire, A D converter, single-chip microcomputer and charactron, this down-pressed pole is connected with boosting-rod and can vertically extends, this lower lock block is fixed on down-pressed pole lower end, and this pressure transducer to be arranged on below lower lock block and to be fixed on brake pedal; This boosting-rod is all rotatably connected with fixed bar with stabilizer bar, this stabilizer bar has several spaced unthreaded holes in their length direction, and be rotatably connected with boosting-rod by one of them unthreaded hole, this pressure transducer by wire and A D converter be connected, this A D converter be connected with charactron by single-chip microcomputer again.
2. a kind of fork truck brake pedal stress application test device as claimed in claim 1, is characterized in that, this fork truck brake pedal augmentor also comprises screw, and lower lock block is fixed on down-pressed pole by this screw.
3. a kind of fork truck brake pedal stress application test device as claimed in claim 1, is characterized in that, be formed with the hole for placement force sensor bottom this lower lock block.
4. a kind of fork truck brake pedal stress application test device as claimed in claim 1, is characterized in that, this fork truck brake pedal augmentor also comprises stabilizer bar clamp, stabilizer bar connects panel beating, boosting-rod clamp and boosting-rod and connects panel beating; This stabilizer bar clamp one end is rotatably connected with stabilizer bar, and the other end connects panel beating geometrical clamp by stabilizer bar and is located on fixed bar; This boosting-rod clamp one end is rotatably connected with boosting-rod, and the other end is located on fixed bar by adding bar connection panel beating fixed mount.
5. a kind of fork truck brake pedal stress application test device as claimed in claim 1, is characterized in that, this fork truck brake pedal augmentor also comprises contiguous block, this contiguous block is processed with the threaded hole that two are respectively used to fixing down-pressed pole and boosting-rod.
6. a kind of fork truck brake pedal stress application test device as claimed in claim 1, it is characterized in that, this fork truck brake pedal augmentor also comprises contiguous block, this contiguous block is processed with a threaded hole, this down-pressed pole is fixedly linked by threaded hole and contiguous block, and this boosting-rod is welded on contiguous block.
7. a kind of fork truck brake pedal stress application test device as described in claim 5 or 6, is characterized in that, this down-pressed pole is also welded with hexagonal nut.
CN201420666705.2U 2014-11-10 2014-11-10 A kind of fork truck brake pedal stress application test device Expired - Fee Related CN204116038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420666705.2U CN204116038U (en) 2014-11-10 2014-11-10 A kind of fork truck brake pedal stress application test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420666705.2U CN204116038U (en) 2014-11-10 2014-11-10 A kind of fork truck brake pedal stress application test device

Publications (1)

Publication Number Publication Date
CN204116038U true CN204116038U (en) 2015-01-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420666705.2U Expired - Fee Related CN204116038U (en) 2014-11-10 2014-11-10 A kind of fork truck brake pedal stress application test device

Country Status (1)

Country Link
CN (1) CN204116038U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110411723A (en) * 2019-07-30 2019-11-05 安徽省金寨县金钢叉车部件制造有限公司 A kind of fork truck brake pedal stress application test device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110411723A (en) * 2019-07-30 2019-11-05 安徽省金寨县金钢叉车部件制造有限公司 A kind of fork truck brake pedal stress application test device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150121

Termination date: 20171110

CF01 Termination of patent right due to non-payment of annual fee