CN203732384U - Device for detecting football rebound rate of football field - Google Patents

Device for detecting football rebound rate of football field Download PDF

Info

Publication number
CN203732384U
CN203732384U CN201420080843.2U CN201420080843U CN203732384U CN 203732384 U CN203732384 U CN 203732384U CN 201420080843 U CN201420080843 U CN 201420080843U CN 203732384 U CN203732384 U CN 203732384U
Authority
CN
China
Prior art keywords
football
fixed
support
mobile
column
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
CN201420080843.2U
Other languages
Chinese (zh)
Inventor
陈峥峰
陈林林
孙群
包春江
王锋波
赵栋杰
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.)
Liaocheng University
Original Assignee
Liaocheng University
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 Liaocheng University filed Critical Liaocheng University
Priority to CN201420080843.2U priority Critical patent/CN203732384U/en
Application granted granted Critical
Publication of CN203732384U publication Critical patent/CN203732384U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

本实用新型涉及一种检测足球场地足球反弹率的装置,其主要由移动底座、立柱、固定架、移动架和夹持装置五部分组成;所述立柱安装在所述移动底座上,其上有安装滑轮的吊架,有用于移动仪器的推把,能够进行拆装和折叠;所述固定支架安装在所述移动底座上;所述移动架通过所述滑轮吊架上的绳索吊装在所述固定支架上,用于将夹持装置拉到相应高度;所述夹持装置安装在所述活动支架上,用于足球的夹持和释放。该发明为轮式可移动装置,能够有效满足自然草坪和人工草坪足球场地足球反弹率检测的需要,并且具有移动方便、组装简单、升降迅速和操作简便等优点。

The utility model relates to a device for detecting the rebound rate of football in a football field, which is mainly composed of five parts: a mobile base, a column, a fixed frame, a mobile frame and a clamping device; the column is installed on the mobile base, and there is a The hanger on which the pulley is installed has a push handle for moving the instrument, which can be disassembled and folded; the fixed bracket is installed on the mobile base; the mobile frame is hoisted on the The fixed bracket is used to pull the clamping device to a corresponding height; the clamping device is installed on the movable bracket for clamping and releasing the football. The invention is a wheel-type movable device, which can effectively meet the needs of football rebound rate detection on natural lawn and artificial lawn football fields, and has the advantages of convenient movement, simple assembly, rapid lifting and simple operation.

Description

Detect the device of pitch football bounce-back rate
Technical field
The utility model belongs to analysis and the survey control technology field under technology of instrument and meter, is specifically related to a kind of portable pitch football bounce-back rate pick-up unit (detecting the device of pitch football bounce-back rate).
Background technology
Football bounce-back rate, be that football Vertical Free falls to the height rebounding behind surface, place and the number percent that starts height of drop, be to detect a whether qualified important indicator of pitch, National Standard of the People's Republic of China's " request for utilization of natural material sports field and method of inspection " (GB/T 19995.1-2005) has made clear and definite regulation to the computing method of pitch football bounce-back rate.But up to now, the domestic measurement to pitch football bounce-back rate still adopts traditional manual type, to the research of pitch football bounce-back rate measurement mechanism seldom, have no corresponding detecting instrument and form product, put goods on the market.
Granted publication CN 102706798A(application number 201210186253) Chinese patent literature a kind of pitch football bounce-back rate measurement mechanism is disclosed, it is mainly made up of base, lifting mechanism and clamping device three parts; Described lifting mechanism is arranged on described base, is made up of, for football and clamping device are pushed to specified altitude sensor stand and three close lift assemblies of structure; Described clamping device is arranged on the top of described lifting mechanism, for clamping and the release of football.
Granted publication CN 102706797A(application number 201210186252) Chinese patent literature a kind of mechanical system of pitch football bounce-back rate measurement mechanism is disclosed, it is mainly made up of base, lifting mechanism, clamping device and measurement bearing four parts; Described lifting mechanism is arranged on described base, and the upper and lower lift assemblies identical by structure forms, for football and clamping device are pushed to specified altitude; Described clamping device is arranged on the top of described lifting mechanism, for clamping and the release of football; Described measurement bearing is arranged on described base, and measuring sensor is equipped with in its both sides, top.
At present except the patent of above-mentioned document, have no other pertinent instruments, the measurement mechanism that above-mentioned document is mentioned is fixed, mobile difficulty.Adopt electric pushrod lifting speed low, vertical direction takes up space greatly, and cannot realize portable.
Summary of the invention
For current technical deficiency, the purpose of this utility model is to provide a kind of portable pitch football bounce-back rate pick-up unit, this device can effectively meet the needs of nature lawn and the detection of artificial lawn pitch football bounce-back rate, and has the advantages such as conveniently moving, assembling is simple, lifting is rapid and easy and simple to handle.
The technical solution adopted in the utility model is: a kind of portable pitch football bounce-back rate pick-up unit, comprising: movable base; Column, is arranged on described movable base, has the suspension bracket that pulley is installed on it, is useful on the handle of mobile instrument, can carry out dismounting and folding; Fixed mount, is arranged on described movable base; Movable stand, is lifted on described fixed support by the rope on described parsing davit, for moving clamping device to corresponding height; Clamping device, is arranged on described travel(l)ing rest, for clamping and the release of football.
The portable pitch of aforesaid one football bounce-back rate pick-up unit, preferred scheme is, also comprise for detection of sensor, the motor that pulls travel(l)ing rest lifting and pick-up unit controller and accumulator.
Further, described movable base comprises: base plate, on it, have three through holes, after two be arranged symmetrically with, the 3rd in forward, central part; Universal wheel, is arranged in the forward, central part through hole of described base plate, and with lockable mechanism, makes whole device locking in the time starting to detect; Support wheel, is arranged in two symmetrical through holes below of described base plate; Universal wheel and two support wheels ensure that pick-up unit can move freely, it is made up of rubber wheel and support respectively, support upper end is screw rod, pass from three through holes of base plate, under base plate, there is a nut, play a supportive role, on base plate, have a nut, play fixation, by unscrewing the level that base plate lower nuts can regulating base board; Level meter, is arranged in the level meter mounting groove at described base plate middle part; Motor and accumulator, be placed on described base plate.
Further, described column comprises: vertical beam, is arranged on described movable base by a fixed head; Small sheave,, is arranged in described vertical beam, for rope is led by two; Fixed head, two, be arranged in described vertical beam, top tie plate is for fixing fixed mount, and lower tie plate is for fixing handle; Handle, is fixed on the bottom plate of described vertical beam, is used for promoting pick-up unit and moves freely; Suspension bracket, the symmetrical described vertical beam upper end of installing; Pulley, two, be arranged on respectively the end of described suspension bracket, rope is connected movable stand by two pulleys on suspension bracket with the small sheave one end at vertical beam middle part, the other end connects the belt wheel on motor, by described motor rotarily drive movable stand and on clamping device rise to specified altitude.
Further, described fixed mount comprises: notch cuttype support, is arranged on the top tie plate of vertical beam of described column; Vertical columns, three, be 120 ° and be uniformly distributed, be arranged on described movable base by three holders, top is fixed on described notch cuttype support by nut; Sensor, three, on the uniform column that is arranged on described notch cuttype support front end in left and right, the height that falls and upspring for detection of football; Travel switch, two, be arranged on respectively on the above and below of rear end floor beam of described notch cuttype support, be used for controlling motor and quit work; Linear bearing, three, be arranged on described notch cuttype back-end support crossbeam, for guiding and the location of movable stand, three linear bearings are equilateral triangle and distribute.
Further, described movable stand comprises: travel(l)ing rest; Mobile column, three, upper end is fixed on by nut on the crossbeam of described travel(l)ing rest, and bottom is through the linear bearing on fixed support; Linear bearing, two, symmetry is arranged on the left end of described travel(l)ing rest, adjusts for installation and the position of clamping device; Upper limit plate, is arranged on the crossbeam of described travel(l)ing rest, and for touching the travel switch on fixed support, while making movable stand drop to initial position, motor quits work; Lower limiting board, is arranged on the lower end of a described mobile column, in the time that movable stand rises to specified altitude, controls motor and quits work.
Further, described clamping device comprises: bracing frame, comprise that diameter is greater than annulus and the fixed adjustment arm composition of football, and described fixed adjustment arm is arranged on the linear bearing of described travel(l)ing rest; Clamp release mechanism, three covers, are 120 ° and are uniformly distributed, and are arranged on the annulus of support frame as described above; Described clamp release mechanism comprises clamping limb, supporting seat, fixed pin, retracing spring and electromagnet, clamping limb is for clamping, release football, supporting seat is arranged on bracing frame annulus, clamping limb is arranged on supporting seat by fixed pin, and electromagnet is arranged on supporting seat, just to clamping limb, retracing spring one end is arranged on supporting seat, the other end is arranged on clamping limb, during for electromagnet power-off, clamping limb is retracted, and discharges football.
The utlity model has following advantage:
1. removable form, can shift the optional position in place to be measured easily onto.
2. pulling speed is fast, work efficiency is high.
3. movable base, column, fixed mount, movable stand and the design of clamping device piecemeal, easy disassembly, is easy to carry.
4. cost is low.
Brief description of the drawings
Fig. 1 is the utility model general structure schematic diagram;
Fig. 2 is movable base structural representation of the present utility model;
Fig. 3 is pillar construction schematic diagram of the present utility model;
Fig. 4 is fixed rack structure schematic diagram of the present utility model;
Fig. 5 is movable stand structural representation of the present utility model;
Fig. 6 is clamping device structural representation of the present utility model;
Fig. 7 is control system program flow diagram of the present utility model.
Description of reference numerals:
1-movable base; 2-fixed mount; 3-clamping device; 4-rope; 5-column; 6-movable stand; 7-control device; 8-accumulator; 9-motor; 10-universal wheel; 11-base plate; 12-nut; 13-level meter; 14-support wheel; 15-fixed head; 16-small sheave; 17-handle; 18-vertical beam; 19-pulley; 20-suspension bracket; 21-fixed mount fixed head; 22-notch cuttype support; 23-sensor; 24-nut; 25-travel switch; 26-linear bearing; 27-vertical columns; 28-holder; 29-travel(l)ing rest; 30-linear bearing; 31-upper limit plate; 32-nut; 33-mobile column; 34-lower limiting board; 35-retracing spring; 36-electromagnet; 37-football; 38-bracing frame; 39-clamping limb; 40-supporting seat; 41-fixed pin.
Embodiment
Below by accompanying drawing and example, the utility model is described in further detail.
Embodiment 1: a kind of portable pitch football bounce-back rate pick-up unit, structure, as shown in Fig. 1-6, comprising: movable base 1; Column 5, is arranged on movable base 1 by fixed head 15; Fixed support 2, lower end is by three holder 28 movable bases 1, and right side is arranged on the fixed mount fixed head 21 of column 5; Movable stand 6, by the pulley 19 on column 5, utilizes rope 4 to be lifted on three linear bearings 26 of fixed support 2; Clamping device 3, installs on two linear bearings 30 of movable stand 6.In addition, control device 7 is arranged on column 5.
Wherein, movable base 1 comprises: base plate 11, on it, have three through holes, after 14, the three of two support wheels that are arranged symmetrically with are installed in forward, central part, the universal wheel 10 with lockable mechanism is installed; Three rollers are made up of rubber wheel and support, and support upper end is screw rod, pass from three through holes of base plate, have a nut 12 under base plate, play a supportive role, and have a nut 12 on base plate, play fixation, by unscrewing the level that base plate lower nuts can regulating base board; Level meter 13 is arranged in the mounting groove of middle part setting; Motor 9 and accumulator 8 are placed in respectively on base plate 11.
Wherein, column 5 comprises: vertical beam 18, is arranged on movable base 1 by fixed head 15; Each one up and down of small sheave 16, is arranged in vertical beam 18; Two fixed heads that are welded in vertical beam, fixed mount fixed head 21 is for mounting and fixing bracket 2, and lower tie plate is used for installing handle 17; Suspension bracket 20 symmetries are arranged on vertical beam upper end, and respectively there is a pulley 19 at suspension bracket 20 both ends.
Wherein, fixed mount 2 comprises: vertical columns 27, and totally three are 120 ° and are uniformly distributed, and top is fixed on notch cuttype support 22 by nut 24; Holder 28, totally three, for vertical columns 27 is arranged on to movable base 1; On the front end column of notch cuttype support 22, three sensors 23 are evenly installed in left and right, a travel switch 25 of each installation on the top and bottom of rear end floor beam; In addition, three linear bearings 24 are installed on the rear end floor beam of notch cuttype support 22, are equilateral triangle and distribute.
Wherein, movable stand 6 comprises: travel(l)ing rest 29; 30, two symmetries of linear bearing are arranged on the left end of travel(l)ing rest 29; Upper limit plate 32, is arranged on the crossbeam of travel(l)ing rest 29, corresponding with the travel switch 25 on fixed mount crossbeam top; Mobile column 33, totally three, upper end is fixed on by nut 31 on the crossbeam of travel(l)ing rest 29, and bottom is through support bracket fastened linear bearing 26; Lower limiting board 34, is arranged on the lower end of a mobile column 33, corresponding with the travel switch 25 of fixed mount crossbeam bottom.
Wherein, clamping device 3 comprises: bracing frame 38, comprise that diameter is greater than annulus and the fixed adjustment arm of football, and fixed adjustment arm is arranged on the linear bearing 30 of movable stand; Clamp release mechanism has three covers, is 120 ° and is uniformly distributed, and is arranged on the annulus of support frame as described above 38; Clamp release mechanism comprises clamping limb 39, supporting seat 40, fixed pin 41, retracing spring 35 and electromagnet 36, supporting seat 40 is arranged on the annulus of bracing frame 38, clamping limb 39 is arranged on bracing frame 38 by fixed pin 41, electromagnet 36 is arranged on supporting seat 40, just to clamping limb 39, retracing spring 35 one end are arranged on supporting seat 40, and the other end is arranged on clamping limb 39.
Fig. 7 is control system program flow diagram of the present utility model, and operation steps of the present utility model is as follows:
1. by movable base 1, column 5, fixed mount 2, movable stand 6, clamping device 3, and rope 4, control device 7, accumulator 8 and motor 9 are assembled into complete machine.
2. by the handle 17 on column 5, tester is pushed into position to be measured, utilizes the lockable mechanism on universal wheel 10 that tester is locked to original place.
3. according to the instruction of level meter 13, adjust movable base 1, reach horizontality.
4. control system program flow diagram as shown in Figure 7, utilizes control device 7 to power on to electromagnet 36, and football is placed on clamping device 3.
5. utilize control device 7 that motor 9 is worked (forward), furl rope 4, rope is furled along pulley 19, small sheave 16.Rope drive movable stand 6 and the clamping device 3 being installed on it rise, and in the time arriving specified altitude, now the lower limiting board 34 of mobile column 33 lower ends on movable stand 6 touches the travel switch 25 of the crossbeam bottom, rear portion of fixed mount 2, makes motor 9 power-off, and lifting stops.
6. give electromagnet 36 power-off, under the effect of retracing spring 35, three clamping limbs 39 open simultaneously, and football freely falls.
7. the sensor 23 on fixed mount 2 front end columns is measured the height that football falls and rebounds, and calculates the bounce-back rate of football according to respective algorithms, and these computing method are open.
8. utilize control device 7 make motor 9 work (anyway), under Action of Gravity Field, movable stand 6 and the clamping device being installed on it decline along linear bearing 26, after limit switch 25 after the upper limit plate 32 on movable stand 6 touches fixed mount on end floor beam, motor quits work, whole tester resets, and waits for next time and measuring.

Claims (6)

1.检测足球场地足球反弹率的装置,其特征在于,包括:移动底座;立柱,安装在所述移动底座上,其上有安装滑轮的吊架,有用于移动仪器的推把;固定架,安装在所述移动底座上;移动架,通过所述滑轮吊架上的绳索吊装在所述固定支架上;夹持装置,安装在所述移动架上。  1. The device for detecting the rebound rate of soccer ball in a football field is characterized in that it comprises: a mobile base; a column, which is installed on the mobile base, has a hanger on which a pulley is installed, and has a push handle for moving the instrument; a fixed mount, The mobile frame is installed on the mobile base; the mobile frame is hoisted on the fixed support through the rope on the pulley hanger; the clamping device is installed on the mobile frame. the 2.根据权利要求1所述的检测足球场地足球反弹率的装置,其特征在于,所述移动底座包括:底板,其上有三个通孔,后面两个对称布置,第三个在前面中部;万向轮,安装在所述底板的前面中部通孔中,并带有锁止机构;支撑轮,安装在所述底板的后面两个对称通孔中;万向轮和两个支撑轮分别由橡胶轮和支架组成,支架上端为螺杆,从底板的三个通孔穿过,底板下有一螺母,底板上有一螺母;水平仪,安装在所述底板中部的水平仪安装槽中;电机和蓄电池,安放在所述底板上。  2. The device for detecting the bounce rate of football in a football field according to claim 1, wherein the mobile base comprises: a base plate with three through holes, two of which are symmetrically arranged in the back, and the third is in the middle of the front; The universal wheel is installed in the through hole in the front middle part of the base plate, and has a locking mechanism; the support wheel is installed in the two symmetrical through holes at the back of the base plate; the universal wheel and the two support wheels are respectively composed of Composed of rubber wheels and brackets, the upper end of the bracket is a screw, which passes through three through holes on the bottom plate, a nut under the bottom plate, and a nut on the bottom plate; the level is installed in the level installation slot in the middle of the bottom plate; the motor and the battery are placed on the bottom plate. the 3.根据权利要求1所述的检测足球场地足球反弹率的装置,其特征在于,所述立柱包括:立梁,通过一固定板安装在所述移动底座上;小滑轮,两个,安装在所述立梁上;固定板,两个,安装在所述立梁上;推把,固定在所述立梁的下固定板上;吊架,对称安装所述立梁上端;滑轮,两个,分别安装在所述吊架的端部,绳索通过吊架上的两个滑轮和立梁中部的小滑轮一端连接移动架,另一端连接电机上的带轮。  3. The device for detecting the rebound rate of football in a football field according to claim 1, wherein the column comprises: a vertical beam, which is installed on the mobile base by a fixed plate; two small pulleys, installed on the On the vertical beam; two fixed plates, installed on the vertical beam; push handle, fixed on the lower fixed plate of the vertical beam; hanger, symmetrically installed on the upper end of the vertical beam; pulleys, two , respectively installed at the end of the hanger, the rope is connected to the mobile frame at one end of the two pulleys on the hanger and the small pulley in the middle of the vertical beam, and the other end is connected to the pulley on the motor. the 4.根据权利要求1所述的检测足球场地足球反弹率的装置,其特征在于,所述固定架包括:阶梯型支架,安装在所述立柱的立梁的上部固定板上;固定立柱,三个,呈120°均匀分布,通过三个固定座安装在所述移动底座上,上部通过螺母固定在所述阶梯型支架上;传感器,三个,左右均布安装在所述阶梯型支架前端的立柱上;行程开关,两个,分别安装在所述阶梯型支架的后端横梁的上、下面上;直线轴承,三个,安装在所述阶梯型支架后端横梁上,三个直线轴承呈等边三角形分布。  4. The device for detecting the football bounce rate of a football field according to claim 1, wherein the fixed mount comprises: a ladder type support, which is installed on the upper fixed plate of the vertical beam of the column; fixed column, three one, uniformly distributed at 120°, installed on the mobile base through three fixed seats, and the upper part is fixed on the stepped bracket by nuts; three sensors, uniformly distributed on the left and right, installed on the front end of the stepped bracket on the column; two travel switches, respectively installed on the upper and lower sides of the rear end beam of the ladder-type bracket; three linear bearings, installed on the rear end beam of the ladder-type bracket, and the three linear bearings are Equilateral triangle distribution. the 5.根据权利要求1所述的检测足球场地足球反弹率的装置,其特征在于,所述移动架包括:活动支架;移动立柱,三根,上端通过螺母固定在所述活动支架的横梁上,下部穿过固定支架上的直线轴承;直线轴承,两个,对称安装在所述活动支架的左端;上限位板,安装在所述活动支架的横梁上;下限位板,安装在所述一个移动立柱的下端。  5. The device for detecting the rebound rate of soccer ball in a football field according to claim 1, wherein the mobile frame comprises: a movable support; three movable columns, the upper ends of which are fixed on the crossbeam of the movable support by nuts, and the lower part Pass through the linear bearing on the fixed bracket; two linear bearings, symmetrically installed on the left end of the movable bracket; the upper limit plate, installed on the beam of the movable bracket; the lower limit plate, installed on the one mobile column the lower end. the 6.根据权利要求1所述的检测足球场地足球反弹率的装置,其特征在于,所述夹持装置包括:支撑架,包括直径大于足球的圆环和固定调整臂组成,所述固定调整臂安装在所述活动支架的直线轴承上;夹持释放机构,三套,呈120°均匀分布,安装在所述支撑架的圆环上;所述夹持释放机构包括夹持臂、支撑座、固定销、回位弹簧和电磁铁,夹持臂用于夹持、释放足球,支承座安装在支撑架圆环上,夹持臂通过固定销安装在支承座上,电磁铁安 装在支承座上,正对夹持臂,回位弹簧一端安装在支承座上,另一端安装在夹持臂上。  6. The device for detecting the bounce rate of football in a football field according to claim 1, wherein the clamping device comprises: a support frame, which is composed of a ring with a diameter greater than a football and a fixed adjustment arm, and the fixed adjustment arm Installed on the linear bearing of the movable bracket; clamping release mechanism, three sets, evenly distributed at 120°, installed on the ring of the support frame; the clamping release mechanism includes a clamping arm, a support seat, Fixed pin, return spring and electromagnet, the clamping arm is used to clamp and release the football, the supporting base is installed on the support frame ring, the clamping arm is installed on the supporting base through the fixing pin, and the electromagnet is installed on the supporting base On, facing the clamping arm, one end of the return spring is installed on the supporting base, and the other end is installed on the clamping arm. the
CN201420080843.2U 2014-02-25 2014-02-25 Device for detecting football rebound rate of football field Expired - Fee Related CN203732384U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420080843.2U CN203732384U (en) 2014-02-25 2014-02-25 Device for detecting football rebound rate of football field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420080843.2U CN203732384U (en) 2014-02-25 2014-02-25 Device for detecting football rebound rate of football field

Publications (1)

Publication Number Publication Date
CN203732384U true CN203732384U (en) 2014-07-23

Family

ID=51202447

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420080843.2U Expired - Fee Related CN203732384U (en) 2014-02-25 2014-02-25 Device for detecting football rebound rate of football field

Country Status (1)

Country Link
CN (1) CN203732384U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359761A (en) * 2014-12-05 2015-02-18 聊城大学 Football rebound rate photoelectric detection method based on horizontal displacement difference compensation
CN104865143A (en) * 2014-02-25 2015-08-26 聊城大学 Movable device for detecting rebounding rate of football on football field

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104865143A (en) * 2014-02-25 2015-08-26 聊城大学 Movable device for detecting rebounding rate of football on football field
CN104865143B (en) * 2014-02-25 2017-06-30 聊城大学 A kind of portable pitch football rebound rate detection means
CN104359761A (en) * 2014-12-05 2015-02-18 聊城大学 Football rebound rate photoelectric detection method based on horizontal displacement difference compensation

Similar Documents

Publication Publication Date Title
CN209335581U (en) One kind being based on electric automatization positioning and clamping mechanism
CN208140327U (en) A kind of novel shock table
CN111366325A (en) Hub impact testing device of electric vehicle
CN204788874U (en) Case and bag drop test machine
CN203732384U (en) Device for detecting football rebound rate of football field
CN104865143B (en) A kind of portable pitch football rebound rate detection means
CN104121979A (en) Test device for weighing device accuracy detection
CN206695987U (en) Spring durability test machine
CN202543798U (en) Railway bridge inspection and maintenance hanging basket
CN102706797B (en) A mechanical system of a soccer ball bounce rate measuring device
CN102706798B (en) A football field football bounce rate measuring device
CN203798526U (en) Fire-fighting floor-lamp impact resistant testing machine
CN202256037U (en) Auxiliary carrier for hardometer during testing
CN204202739U (en) Weighing apparatus accuracy detection proving installation
CN210571433U (en) A steering gear load test bench
CN203231947U (en) A kind of leather scratch resistance testing equipment
CN211357568U (en) Quick reset high jump
CN203758716U (en) Caster wheel testing tool
CN201993219U (en) Two-wheel electric vehicle drop test machine
CN202404172U (en) Device for detecting lithium battery pack protection board
CN203561563U (en) Device for testing falling intensity of lead-acid storage battery
CN208043623U (en) A kind of static and dynamic friction coefficient testing machine
CN216410042U (en) A kind of curved furniture board surface flatness detection equipment
CN209961472U (en) Landing net comprehensive performance testing machine
CN212131176U (en) Shaping device for height detection of stator and rotor

Legal Events

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: 20140723

Termination date: 20150225

EXPY Termination of patent right or utility model