CN208902547U - A kind of testing jig for safety net test - Google Patents
A kind of testing jig for safety net test Download PDFInfo
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- CN208902547U CN208902547U CN201821555745.4U CN201821555745U CN208902547U CN 208902547 U CN208902547 U CN 208902547U CN 201821555745 U CN201821555745 U CN 201821555745U CN 208902547 U CN208902547 U CN 208902547U
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- safety net
- fixed link
- support
- crossbar
- testing jig
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Abstract
The utility model relates to safety net technical fields, more specifically, it is related to a kind of testing jig for safety net test, its key points of the technical solution are that: including support frame and sunpender, support frame as described above includes framework and several vertical bars, the framework includes two first crossbars being oppositely arranged and two second crossbars being oppositely arranged, the framework is provided with two fixed links for fixing safety net, the both ends of the fixed link are provided with slipping part, the slipping part slides the first crossbar for being connected to opposite sides respectively, two second crossbars are provided with the driving assembly for driving the fixed link sliding, the driving component includes threaded rod, screw thread is socketed on threaded rod and one end is fixedly connected on the throwout sleeve of the fixed link, and the driving portion of driving threaded rod rotation.A kind of testing jig for safety net test of the utility model, has the advantages that safety net size range applicatory is big.
Description
Technical field
The utility model relates to safety net technical field, in particular to a kind of testing jig for safety net test.
Background technique
Safety net is when high-altitude carries out construction, equipment installation or entertainment, in its lower or the setting of its side protection
The net of effect is mostly dense mesh type net.Due to needing to guarantee the security performance of safety net, therefore in process of production, need stringent
Carry out the test of impact resistance.When safety net is tested, complete safety net to be tested is mounted on fixed frame, will test ball
Or other weights are adjusted to height of drop as defined in standard, then freely fall into weight on safety net, according to the broken of safety net
Bad degree judges the impact resistance of safety net.
For example, the Chinese patent that a notification number is CN207703653U discloses, a kind of safety net is resistance to run through tester,
Including testing stand, run through object and electric control permanent magnet, described to be sucked and unclamped by the electric control permanent magnet through object, the testing stand
Side is equipped with support platform, and lead screw is rotatably connected in the support platform, and the lead screw is equipped with when being rotated by the lead screw and drives
The dynamic Nut pole moved up and down, the electric control permanent magnet are set to the Nut pole, are additionally provided with described in driving in the support platform
The power source of lead screw rotation, the adjustable falling head through object of the tester is to meet different detection demands.
But safety net is directly fixed on testing stand by the tester when in use, and the size of testing stand makes to fix
, so that safety net size range applicatory is small.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of surveys for safety net test
Frame is tried, has the advantages that safety net size range applicatory is big.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of for safety net survey
The testing jig of examination, the sunpender including support frame and for lifting test ball, support frame as described above include framework and are used to support frame
Several vertical bars of body, the framework include two first crossbars being oppositely arranged and two second crossbars being oppositely arranged, and
The first crossbar and second crossbar surround to form the framework, and the framework is provided with two fixations for fixing safety net
Bar, the both ends of the fixed link are provided with slipping part, and the slipping part slides respectively is connected to described the first of opposite sides
Cross bar, two second crossbars are provided with the driving assembly for driving the fixed link sliding, the driving component packet
Include threaded rod, screw thread is socketed on threaded rod and one end is fixedly connected on the throwout sleeve of the fixed link, and driving threaded rod
The driving portion of rotation, the throwout sleeve are horizontally disposed and vertical with the fixed link length direction.
By using above-mentioned technical proposal, sunpender is lifted on ball is tested above support frame, and safety net is fixed on two
It is tested in fixed link, threaded rod rotation is driven by driving portion, since the slipping part at fixed link both ends slides connection respectively
First crossbar in two sides, therefore the throwout sleeve connecting with fixed link can not rotate and fixed link can only be driven to slide, thus
The distance between two fixed links are adjusted, at the same threaded rod stop operating after throwout sleeve can not move, and then to solid
Fixed pole is fixed, and by the distance between two fixed links of adjusting, the safety net of sizes can be fixed in fixed link,
Safety net size range applicatory is big.
The utility model is further arranged to: the driving portion is motor, the centre on the second crossbar length direction
Position is fixedly connected with support plate, and the motor is fixedly connected on the top surface of the support plate, the power output shaft of the motor
It is fixedly connected with the end of the threaded rod.
By using above-mentioned technical proposal, the power output shaft of motor is fixedly connected with the end of threaded rod, passes through control
The positive and negative rotation of motor rotate and reverse threaded rod also can, so as to drive fixed link sliding to the direction close to or far from motor
It moves, motor is fixed on the supporting plate, and support plate is located at the middle position of second crossbar, and throwout sleeve acts in fixed link
Between position so that fixed link slide when more balance.
The utility model is further arranged to: throwout sleeve two sides outwardly convex is provided with convex block, the support plate
Top surface is provided with the limit plate contradicted for the convex block far from the side of the motor.
It can not continue to move to, limit when throwout sleeve, which slides onto convex block, contradicts limit plate by using above-mentioned technical proposal
Position plate has position-limiting action to throwout sleeve, and throwout sleeve sliding stroke can be prevented too long and detached except threaded rod.
The utility model is further arranged to: one of them described vertical bar is set in the second crossbar length direction
Between position, the support plate is fixedly connected with support rod away from the side of the support plate, and described support rod one end is fixedly connected
In the support plate, the other end is fixedly connected on the vertical bar.
By using above-mentioned technical proposal, support rod one end is fixed on support plate, and the other end is fixed on vertical bar, so that support
Bar, support plate and vertical bar three, which are connected with each other, to surround to form a gore, utilizes the stability feature of triangle, support rod
The stability connected between support plate and second crossbar is strengthened, so that support plate is preferably supported motor, so that adjusting
Save fixed link apart from when it is more steady.
The utility model is further arranged to: support frame as described above is provided with for synchronously control two motors opening and closings
Control switch.
By using above-mentioned technical proposal, two motors are adjusted synchronously, so that the distance of two fixed links sliding
Keep equal, so that test ball is always positioned at the top in two fixed link middle positions, so that test ball is fallen to safety
Net can be fallen at the center of safety net when being tested, and not influence the accuracy of safety net test result.
The utility model is further arranged to: the slipping part includes the first cunning that rotation is socketed on the fixed boom end
Wheel, the first crossbar offer the guide groove rolled for the first pulley along its length.
By using above-mentioned technical proposal, when fixed link slides, first pulley rolls in guide groove, reduces fixed link
Frictional force between first crossbar so that fixed link is more smoothly when sliding, while alleviating the burden of motor.
The utility model is further arranged to: there are two be used to support the fixation for setting between two second crossbars
The support rail of bar, the support rail both ends are respectively fixedly connected in two second crossbars, and the support rail is located at
Below the fixed link.
By using above-mentioned technical proposal, support rod, which is located at below fixed link, is supported fixed link, has shared test
The active force that safety net generates fixed link when ball is fallen extends the service life of fixed link.
The utility model is further arranged to: the fixed link rotation is socketed with second pulley, the ring of the second pulley
Shape face is obliquely installed from two sides to fixed link direction, and the annular surface of the second pulley is abutted against with the support rail.
By using above-mentioned technical proposal, annular surface and the support rod of second pulley are abutted against, fixed link by pulley with
Support rod abuts against, and when fixed link is mobile, second pulley can reduce the frictional force between fixed link and support rail, so that fixed
Bar is more smoothly when sliding.
In conclusion the utility model has the following beneficial effects:
First, driving fixed link to slide along first crossbar by the rotation of control motor, and then between two fixed links
Distance be adjusted synchronously, the safety net of sizes can be so fixed in fixed link, safety net size applicatory
Range is big；
Second, throwout sleeve two sides outwardly convex is provided with convex block, support plate top surface is provided with the limit contradicted for convex block
Plate, limit plate have position-limiting action to throwout sleeve, and throwout sleeve sliding stroke can be prevented too long and detached except threaded rod；
Third, the setting of first pulley and second pulley is so that fixed link is more smoothly when sliding.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the partial schematic diagram at another visual angle of the utility model embodiment.
In figure: 1, testing ball；2, sunpender；3, first crossbar；4, second crossbar；5, vertical bar；6, fixed link；7, threaded rod；
8, throwout sleeve；9, motor；10, support plate；11, convex block；12, limit plate；13, support rod；14, control switch；15, first is sliding
Wheel；16, guide groove；17, support rail；18, second pulley；19, safety net.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of testing jig for safety net test, as shown in Figure 1, including support frame and testing hanging for ball 1 for lifting
Bar 2, sunpender 2 are set as telescopic rod, and height of the test ball 1 apart from support frame is adjusted.Support frame includes framework and is used to prop up
Several vertical bars 5 of support frame body, framework include two first crossbars 3 being oppositely arranged and two second crossbars 4 being oppositely arranged,
First crossbar 3 and second crossbar 4 surround to form framework.Framework is provided with two fixed links 6 for fixing safety net 19, fixed
The both ends of bar 6 are provided with slipping part, and slipping part slides the first crossbar 3 for being connected to opposite sides respectively.Slipping part includes turning
The dynamic first pulley 15 for being socketed on 6 end of fixed link, first crossbar 3 offers along its length to be led for what first pulley 15 rolled
To slot 16.Two second crossbars 4 are provided with the driving assembly for driving fixed link 6 to slide, and driving assembly includes threaded rod
7, screw thread is socketed on threaded rod 7 and one end is fixedly connected on the throwout sleeve 8 of fixed link 6, and the drive that driving threaded rod 7 rotates
Dynamic portion.Driving portion is motor 9, and the power output shaft of motor 9 is fixedly connected with the end of threaded rod 7, and throwout sleeve 8 is along level side
To setting and it is vertical with 6 length direction of fixed link.
As shown in Figures 1 and 2, the rotation of motor 9 can drive threaded rod 7 to rotate, due to the first pulley at 6 both ends of fixed link
15 guide grooves in the two sides first crossbar 3 respectively, thus the throwout sleeve 8 being connect with fixed link 6 can not rotate and can only
Fixed link 6 is driven to slide, so that the distance between two fixed links 6 be adjusted.Threaded rod 7 slides after stopping operating simultaneously
Sleeve 8 can not move, and then fixed link 6 is fixed.The positive and negative rotation of threaded rod 7 is driven to adjust two by motor 9
The safety net 19 of sizes can be fixed in fixed link 6 by the distance between fixed link 6,19 size of safety net applicatory
Range is big.
As shown in Fig. 2, the middle position on 4 length direction of second crossbar is fixedly connected with support plate 10, motor 9 is fixed to be connected
It is connected to the top surface of support plate 10.One of vertical bar 5 is set to the middle position of 4 length direction of second crossbar, and support plate 10 is carried on the back
Side from support plate 10 is fixedly connected with support rod 13, and 13 one end of support rod is fixedly connected on support plate 10, and the other end is fixed
It is connected to vertical bar 5.Support rod 13, support plate 10 and 5 three of vertical bar, which are connected with each other, to surround to form a gore, utilizes triangle
The stability feature of shape, support rod 13 strengthen the stability connected between support plate 10 and second crossbar 4, so that support plate 10
Preferably motor 9 is supported so that adjust fixed link 6 apart from when it is more steady.
As shown in Fig. 2, 8 two sides outwardly convex of throwout sleeve is provided with convex block 11,10 top surface of support plate far from motor 9 one
Side is provided with the limit plate 12 contradicted for convex block 11.When throwout sleeve 8, which slides onto convex block 11, contradicts limit plate 12, can not continue
Mobile, limit plate 12 has position-limiting action to throwout sleeve 8, and the sliding stroke of throwout sleeve 8 can be prevented too long and detach threaded rod 7
Except.As shown in Figure 1, being provided with the control switch 14 for the opening and closing of two motors 9 of synchronously control in second crossbar 4.To two
Motor 9 is adjusted synchronously, so that the distance that two fixed links 6 slide keeps equal, so that test ball 1 is always positioned at two
The top in a 6 middle position of fixed link enables test ball 1 to fall and falls in safety net 19 when testing safety net 19
At center, the accuracy of 19 test result of safety net is not influenced.
As shown in Figure 1, being arranged between two second crossbars 4, there are two the support rail 17 for being used to support fixed link 6, supports
17 both ends of cross bar are respectively fixedly connected in two second crossbars 4, and support rail 17 is located at 6 lower section of fixed link.Support rod 13 is located at
6 lower section of fixed link is supported fixed link 6, has shared the effect that safety net 19 generates fixed link 6 when test ball 1 is fallen
Power extends the service life of fixed link 6.The rotation of fixed link 6 is socketed with second pulley 18, the annular surface of second pulley 18 from two sides to
6 direction of fixed link is obliquely installed, and the annular surface of second pulley 18 is abutted against with support rail 17.Fixed link 6 by pulley with
Support rod 13 abuts against, and when moving, second pulley 18 can reduce the friction between fixed link 6 and support rail 17 to fixed link 6
Power, so that fixed link 6 is more smoothly when sliding.
The distance between the course of work: rotated by 14 driving motor 9 of control switch, and then adjust two fixed links 6, it adjusts
Motor 9 is closed after section to suitable distance, safety net 19 can be fixed between two fixed links 6 at this time.It will be surveyed by sunpender 2 again
It tries and 1 is adjusted to proper height, test ball 1 can be fallen within safety net 19 at this time, carry out safety net 19 and test.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of testing jig for safety net test, the sunpender (2) including support frame and for lifting test ball (1) is special
Sign is: support frame as described above includes framework and several vertical bars (5) for being used to support framework, and the framework includes being oppositely arranged
Two first crossbars (3) and two second crossbars (4) being oppositely arranged, and the first crossbar (3) and second crossbar (4) are closed
It encloses to form the framework, the framework is provided with two fixed links (6) for fixing safety net (19), the fixed link (6)
Both ends be provided with slipping part, the slipping part slides the first crossbar (3) for being connected to opposite sides, two institutes respectively
State second crossbar (4) be provided with for drive the fixed link (6) slide driving assembly, the driving component includes screw thread
Bar (7), screw thread are socketed on threaded rod (7) and one end is fixedly connected on the throwout sleeve (8) of the fixed link (6), and drive
Threaded rod (7) rotation driving portion, the throwout sleeve (8) it is horizontally disposed and with the fixed link (6) length direction
Vertically.
2. a kind of testing jig for safety net test according to claim 1, it is characterised in that: the driving portion is electricity
Machine (9), the middle position on second crossbar (4) length direction are fixedly connected with support plate (10), and the motor (9) is fixed
It is connected to the top surface of the support plate (10), the fixed company of the power output shaft of the motor (9) and the end of the threaded rod (7)
It connects.
3. a kind of testing jig for safety net test according to claim 2, it is characterised in that: the throwout sleeve
(8) two sides outwardly convex is provided with convex block (11), and support plate (10) top surface is provided with confession far from the side of the motor (9)
The limit plate (12) that the convex block (11) contradicts.
4. a kind of testing jig for safety net test according to claim 2, it is characterised in that: one of them is described perpendicular
Bar (5) is set to the middle position of the second crossbar (4) length direction, and the support plate (10) deviates from the support plate (10)
Side be fixedly connected with support rod (13), described support rod (13) one end is fixedly connected on the support plate (10), the other end
It is fixedly connected on the vertical bar (5).
5. a kind of testing jig for safety net test according to claim 2, it is characterised in that: support frame as described above setting
There is the control switch (14) for synchronously control two motor (9) opening and closings.
6. a kind of testing jig for safety net test according to claim 1, it is characterised in that: the slipping part includes
Rotation is socketed on the first pulley (15) of the fixed link (6) end, and the first crossbar (3) is offered along its length for institute
State the guide groove (16) of first pulley (15) rolling.
7. a kind of testing jig for safety net test according to claim 1, it is characterised in that: two second cross
It is arranged between bar (4) there are two the support rail (17) for being used to support the fixed link (6), support rail (17) both ends are divided
It is not fixedly connected on two second crossbars (4), the support rail (17) is located at below the fixed link (6).
8. a kind of testing jig for safety net test according to claim 7, it is characterised in that: the fixed link (6)
Rotation is socketed with second pulley (18), and the annular surface of the second pulley (18) is obliquely installed from two sides to fixed link (6) direction,
And the annular surface of the second pulley (18) is abutted against with the support rail (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555745.4U CN208902547U (en) | 2018-09-21 | 2018-09-21 | A kind of testing jig for safety net test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555745.4U CN208902547U (en) | 2018-09-21 | 2018-09-21 | A kind of testing jig for safety net test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208902547U true CN208902547U (en) | 2019-05-24 |
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ID=66573385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821555745.4U Active CN208902547U (en) | 2018-09-21 | 2018-09-21 | A kind of testing jig for safety net test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208902547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247030A (en) * | 2020-09-28 | 2021-01-22 | 常熟市宏达商业设施有限公司 | Butt-joint welding machine |
-
2018
- 2018-09-21 CN CN201821555745.4U patent/CN208902547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247030A (en) * | 2020-09-28 | 2021-01-22 | 常熟市宏达商业设施有限公司 | Butt-joint welding machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523820 sanjaidi, Lianma Road, Lianping village, Lianping administrative district, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: Dongguan Construction Engineering Testing Center Co.,Ltd. Address before: 523820 sanjaidi, Lianma Road, Lianping village, Lianping administrative district, Dalingshan Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN CITY CONSTRUCTION ENGINEERING TESTING CENTER |