CN207007630U - Electric bending testing machine for cement - Google Patents
Electric bending testing machine for cement Download PDFInfo
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- CN207007630U CN207007630U CN201720655862.7U CN201720655862U CN207007630U CN 207007630 U CN207007630 U CN 207007630U CN 201720655862 U CN201720655862 U CN 201720655862U CN 207007630 U CN207007630 U CN 207007630U
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- testing machine
- polymerization
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 239000004568 cement Substances 0.000 title claims abstract description 21
- 238000005452 bending Methods 0.000 title claims abstract description 18
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 45
- 239000004744 fabric Substances 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 2
- 230000002742 anti-folding effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 7
- 238000010943 off-gassing Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to testing equipment field, specifically disclose a kind of electric bending testing machine for cement, including base, column, screw rod, bracket, location-plate, fulcrum knife rest, main heavy bar and screw mandrel are provided between location-plate and fulcrum knife rest, main heavy bar and screw mandrel are provided with sliding weight, and sliding weight is connected with wire rod thread；Screw mandrel is connected with the motor of connection power supply, and bracket is provided with control box close to one end of location-plate, and control box is provided with electronic switch；Screw rod is sequentially provided with handwheel, bend-proof clamp；Polymerization disk is rotatably connected on screw rod, base is provided with topples over unit for what control polymerization disk rotated；The control box, which is provided with, to be used to protect electronic switch, cleaning bend-proof clamp chip and controls the buffer control unit for toppling over unit.This programme can prevent electronic switch to be damaged, and extend the service life of testing machine, and chip thoroughly can be cleared up, and prevent chip from influenceing the follow-up use of testing machine, and chip cleaning is convenient, substantially increases operating efficiency.
Description
Technical field
The utility model belongs to testing equipment field, more particularly to a kind of cement test device.
Background technology
Electric bending testing machine for cement is done mainly as cement plant, building unit and relevant professional universities and colleges R＆D institution
Cement bright degumming glue sand rupture strength, which is examined, to be used, and the rupture strength that can make other nonmetallic fragile materials is examined.
Authorization Notice No. is CN202033258U Chinese patent《A kind of electric bending testing machine for cement》Disclose one kind
Electric bending testing machine for cement, including base, column being provided with base, bracket being provided with column, one end of bracket is set
Have a location-plate, the other end of bracket is provided with fulcrum knife rest, is provided with microswitch box on the bracket at location-plate, location-plate and
Main lever and leading screw are provided between fulcrum knife rest, sliding weight is provided with main lever and leading screw, is provided with fulcrum rest position
Suspension rod, the side of suspension rod is provided with to be connected with heavily cutting and motor, motor with lead screw transmission, and the bottom of suspension rod is provided with connection knife
Frame, the bottom of bracket, which is provided with, pays fulcrum knife rest, connects to be provided between knife rest and pair fulcrum knife rest and pays a lever, pays and set on lever
Be equipped with and pay an emphasis knife rest, pay and be fixedly connected with upper fixture on emphasis knife rest, be provided with up and down screw on base, up and down screw it is upper
Portion is provided with the lower clamp coordinated with upper fixture.
But the electric bending testing machine for cement has the following disadvantages：1st, electric bending testing machine for cement is carried out to cement
Examination body can be fractureed during bending test, the examination body chip to fracture can be scattered on handwheel and base, all needed after each use
A large amount of chips on base below hand sweeping handwheel and handwheel are wanted, very inconvenient, workload is larger；2nd, dynamics when sliding weight is fallen
It is larger so that main heavy bar holds to cause damage very much to electronic switch, shortens the service life of testing machine.
Utility model content
The purpose of this utility model is to provide a kind of electric bending testing machine for cement, rolled over solving test specimen in background technology
Chip of having no progeny is difficult to the problem of cleaning.
In order to achieve the above object, base case of the present utility model provides a kind of electric bending testing machine for cement, including
Base, column and screw rod are provided with the base, the column is provided with bracket, and one end of the bracket is provided with location-plate,
The other end of bracket is provided with fulcrum knife rest, and main heavy bar and screw mandrel, the main heavy bar are provided between location-plate and the fulcrum knife rest
Sliding weight is provided with screw mandrel, the sliding weight is connected with wire rod thread；The screw mandrel is connected with the motor of connection power supply, the bracket
Control box is provided with close to one end of location-plate, the control box, which is provided with, is used for the electronic switch that controlled motor rotates；The spiral shell
Bar is sequentially provided with handwheel, bend-proof clamp；The polymerization disk for collecting chip is rotatably connected on the screw rod, it is described
Base is provided with topples over unit for what control polymerization disk rotated；The control box be provided with for control topple over cell operation and
Compressible buffer control unit, electronic switch are located in buffer control unit.
The principle of this base case is：Sliding weight is placed in the original position of main heavy bar, i.e. fulcrum rest position first
Place, test specimen is put into bend-proof clamp and bend-proof clamp is clamped test specimen.Then motor is started, motor drives screw mandrel rotates,
Sliding weight movement loading, when being added to certain numerical value, test specimen fractures, and the chip that test specimen is formed after fractureing falls in polymerization disk and is collected
Get up；Main heavy bar pushes buffer control unit while test specimen fractures, and buffer control unit is compressed, the pressure of buffer control unit
Contracting can will remain in the chip on bend-proof clamp and be cleaned on polymerization disk, and buffer control unit can trigger in compression process
Electronic switch, controlled motor is stopped operating after electronic switch is triggered, and the numerical value of rupture strength is read on main heavy bar；Then
Buffer control unit, which controls, topples over unit motion, topples over unit and promotes polymerization coiling screw rod to rotate and will polymerize broken on disk
Bits are poured into specified location and stored.
After the experiment for completing rupture strength, sliding weight reapposes to the original position of main heavy bar, buffer control unit by
Gradually restore to the original state, toppling over unit during this returns to original state so that polymerization disk returns to initial position；Then electronic switch quilt
Decontrol, now close power supply, electronic switch and motor are stopped.
The beneficial effect of this base case is：
1st, this programme can prevent electronic switch to be damaged, and extend the service life of testing machine, and chip can be carried out
Thoroughly clear up, prevent chip from influenceing the follow-up use of testing machine, and chip cleaning is convenient, substantially increases operating efficiency；
2nd, the chip that the polymerization disk of this programme is formed after can test specimen be fractureed gathers together, and improves the work of chip cleaning
Make efficiency；3rd, the polymerization disk of this programme is rotatably connected on screw rod, facilitates operating personnel to pour out the chip polymerizeing in disk
Come, improve the operating efficiency of operating personnel；
4th, this programme topple over unit can control polymerization disk topple over chip, be very easy to operating personnel cleaning it is broken
Bits, improve the operating efficiency of operating personnel；
5th, the buffer control unit of this programme can protect electronic switch, prevent electronic switch to be damaged, and extend electronics
The service life of switch；
6th, the buffer control unit of this programme can control the work for toppling over unit, simple and convenient, be greatly enhanced
The operating efficiency of operating personnel；
7th, the buffer control unit of this programme can be cleared up chip on bend-proof clamp, chip is cleared up more thorough
Bottom, prevent chip from influenceing the follow-up use of testing machine, improve the accuracy of test bit.
Scheme two：Scheme is preferred based on this, described to topple over unit including being used for the cylinder, use that control polymerization disk rotates
Dumping switch in control cylinder moving, collecting box and some first elastic components for collecting chip in polymerization disk, it is described
Collecting box is arranged on base and is engaged with polymerization disk, and first elastic component is located at base with polymerizeing between disk；The gas
Cylinder is arranged on base, and the output end of cylinder is connected with polymerization disk, and the position of cylinder and collecting box is oppositely arranged；It is described to topple over
Switch is arranged in control box, and dumping switch is less than electronic switch.Pass through cylinder, dumping switch, the first elastic component, collecting box
Cooperation with polymerizeing disk, realize polymerization disk and topple over chip and restorable operation, control method is simple and convenient, greatly improves
The operating efficiency of operating personnel.
Scheme three：This is preferred for scheme two, and the buffer control unit includes compressible cylinder, lid is located at cylinder top
The cushion pad in portion, the second elastic component being fixed between cushion pad and control box, air inlet is respectively equipped with the cylinder and is gone out
Gas port, the air inlet is interior to be provided with breather check valve, and outgassing nonreturn valve is provided with the gas outlet；It is connected with and is used on gas outlet
The airduct of bend-proof clamp is cleared up, the one end of the airduct away from gas outlet is fixed at the top of bend-proof clamp.Pass through cylinder, buffering
The cooperation of pad, the second elastic component and main heavy bar, realizes the control to electronic switch and dumping switch, improves operating personnel's
Operating efficiency, and the chip on bend-proof clamp can be cleared up so that chip cleaning is more thorough, prevents chip from having influence on
Testing machine subsequent use.
Scheme four：Scheme is preferred based on this, is equipped with the polymerization disk for reducing chip to polymerization adjustment debit wound
Cloth.When chip is fallen down certain cushioning effect can be played to dropping for chip, kept away with certain impulse force, cloth
Exempt from chip directly act on polymerization disk cause polymerize disk be damaged.
Scheme five：Scheme is preferred based on this, and the polymerization disk chassis upper surface is provided with baffle plate.Baffle plate can limit broken
Bits fall into space, reduce disposal costs.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model electric bending testing machine for cement；
Fig. 2 is the sectional view of buffer control unit in Fig. 1.
Embodiment
The utility model is described in further detail below by embodiment：
Reference in Figure of description includes：Base 1, column 2, screw rod 3, bracket 4, main heavy bar 5, screw mandrel 6, motor
7th, sliding weight 8, electronic switch 9, control box 10, polymerization disk 11, bend-proof clamp 12, location-plate 13, handwheel 14, cylinder 15, cushion pad
16th, dumping switch 17, the second stage clip 18, air inlet 19, gas outlet 20, airduct 21, cylinder 22, the first stage clip 23, collecting box 24,
Buffer control unit 25.
Embodiment
As shown in Figure 1, electric bending testing machine for cement, mainly by base 1, column 2, screw rod 3, bracket 4, main heavy bar 5,
Sliding weight 8, electronic switch 9, control box 10, polymerization disk 11, bend-proof clamp 12, topple over unit and buffer control unit 25 is formed.It is vertical
Post 2 is welded on base 1, and bracket 4 is arranged on the upper end of column 2；The left end of bracket 4 is provided with fulcrum knife rest, the right-hand member of bracket 4
Location-plate 13 is installed, main heavy bar 5 and screw mandrel 6 are installed between fulcrum knife rest and location-plate 13, main heavy bar 5 is located at screw mandrel 6
Top；Sliding weight 8 is arranged on main heavy bar 5 and screw mandrel 6, and sliding weight 8 is threadedly coupled with screw mandrel 6.Screw mandrel 6 is connected with for driving silk
The motor 7 of bar 6, motor 7 connect with power supply, and motor 7 is connected with electronic switch 9, and electronic switch 9 rotates for controlled motor 7, electricity
Sub switch 9 is arranged on the top of control box 10.
As shown in Figure 2, buffer control unit 25 is arranged in control box 10, and buffer control unit 25 is mainly by cylinder
15th, cushion pad 16, dumping switch 17 and some second stage clips 18 are formed.Cylinder 15 is compressible cylinder 15, cushion pad 16
Lid is located at the upper end of cylinder 15 and cylinder 15 is sealed, and cushion pad 16 can buffer main the rushing to electronic switch 9 of heavy bar 5
Hit, prevent electronic switch 9 to be damaged；The right part of cylinder 15 is provided with air inlet 19, and breather check valve is provided with air inlet 19；Cylinder
The left part of body 15 is provided with gas outlet 20, and outgassing nonreturn valve is provided with gas outlet 20, airduct 21, airduct are communicated with gas outlet 20
21 chip for clearing up on bend-proof clamp 12；The one end of airduct 21 away from gas outlet 20 snaps onto the top of bend-proof clamp 12.
Dumping switch 17 is used to control cylinder 22 to move, and dumping switch 17 is less than electronic switch 9；Second stage clip 18 is fixed on cushion pad
Between 16 and control box 10, and the second stage clip 18 plays certain supporting role to cushion pad 16.
Screw rod 3 is threaded in the left part of base 1, and screw rod 3 is from bottom to top sequentially installed with handwheel 14, polymerization disk 11, resisted
Fixture 12 is rolled over, polymerize to be provided between disk 11 and base 1 and is used to controlling polymerize that disk 11 rotates to topple over unit.Handwheel 14 is used to adjust
The height of screw rod 3, bend-proof clamp 12 are used for clamping test pieces；Polymerization disk 11 is rotatably connected on screw rod 3 by bearing pin, polymerize disk 11
Stored for collecting the chip formed after test specimen fractures and chip being poured into collecting box 24.Laid on polymerization disk 11
There is the cloth damaged for reducing chip to polymerization disk 11；The upper surface of polymerization disk 11 is provided with baffle plate.
Topple over unit to be mainly made up of cylinder 22, some first stage clips 23 and collecting box 24.Cylinder 22 is arranged on base
On 1, the output end of cylinder 22 is connected with polymerization disk 11；Cylinder 22 is used to control polymerization disk 11 to rotate, and cylinder 22 is located at screw rod 3
Right side；Collecting box 24 is located at the left side of screw rod 3 and is engaged with polymerization disk 11, when polymerization disk 11 rotates and needs to topple over,
Chip on polymerization disk 11 can just be poured into collecting box 24.Second stage clip 18 is fixed between base 1 and polymerization disk 11
And certain supporting role is played to polymerization disk 11.
During work, sliding weight 8 is placed in the original position of main heavy bar 5 first, i.e., at fulcrum rest position, test specimen be put into
In bend-proof clamp 12 and bend-proof clamp 12 is set to clamp test specimen.Then motor 7 is started, motor 7 drives screw mandrel 6 to rotate, and sliding weight 8 moves
Dynamic loading, when being added to certain numerical value, test specimen fractures, and the chip that test specimen is formed after fractureing falls in polymerization disk 11 and has been collected
Come；Main heavy bar 5 pushes cushion pad 16 so that cushion pad 16 moves down while test specimen fractures, and cushion pad 16 is moved down so that cylinder
The elastic component of body 15 and second is compressed, and the inflator in cylinder 15 is extruded and airduct 21 is entered from outgassing nonreturn valve, and from
Airduct 21 is ejected on bend-proof clamp 12, and the chip that will be attached on bend-proof clamp 12 is blown off in polymerization disk 11, avoids chip
Have influence on the follow-up use of bend-proof clamp 12.Cushion pad 16 can first trigger electronic switch 9, the quilt of electronic switch 9 during pushing
Controlled motor 7 is stopped operating after triggering, and the numerical value of rupture strength is read on main heavy bar 5；Then the triggering of cushion pad 16 is toppled over
Switch 17, control cylinder 22 is driven up after dumping switch 17 is triggered so that polymerization disk 11, which produces, to be tilted and will polymerize disk 11
On chip be poured into collecting box 24 and stored.
After the experiment for completing rupture strength, sliding weight 8 is reapposed to the original position of main heavy bar 5, now cushion pad 16
Gradually moved up in the presence of the second elastic component restoring force with cylinder 15, dumping switch 17 is first released, and dumping switch 17 controls
Cylinder 22 drives downwards so that polymerization disk 11 returns to initial position；Then electronic switch 9 is released, and now closes power supply, electricity
Sub switch 9 and motor 7 are stopped.Gas is entered in cylinder 15 from cylinder 15 is outer via breather check valve during this, right
Gas in cylinder 15 is supplemented.
Above-described is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme
Do not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, and these are all without influence
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, the record such as embodiment in specification can be used for the content for explaining claim.
Claims (5)
1. electric bending testing machine for cement, including base, column and screw rod are provided with the base, the column is provided with support
Frame, one end of the bracket are provided with location-plate, and the other end of bracket is provided with fulcrum knife rest, between location-plate and the fulcrum knife rest
Provided with main heavy bar and screw mandrel, the main heavy bar and screw mandrel are provided with sliding weight, and the sliding weight is connected with wire rod thread；The screw mandrel connects
The motor of connection power supply is connected to, the bracket is provided with control box close to one end of location-plate, and the control box, which is provided with, to be used to control
The electronic switch that motor processed rotates；The screw rod is sequentially provided with handwheel, bend-proof clamp；Characterized in that, the spiral shell
The polymerization disk for collecting chip is rotatably connected on bar, the base is provided with topples over list for what control polymerization disk rotated
Member；The control box is provided with topples over cell operation and compressible buffer control unit for control, and electronic switch is positioned at slow
Rush in control unit.
2. electric bending testing machine for cement according to claim 1, it is characterised in that：It is described to topple over unit including for controlling
System polymerization disk rotate cylinder, the dumping switch for controlling cylinder moving, for collect polymerize disk in chip collecting box and
Some first elastic components, the collecting box are arranged on base and are engaged with polymerization disk, and first elastic component is located at bottom
Seat is with polymerizeing between disk；The cylinder is arranged on base, and the output end of cylinder is connected with polymerizeing disk, and cylinder and collecting box
Position is oppositely arranged；The dumping switch is arranged in control box, and dumping switch is less than electronic switch.
3. electric bending testing machine for cement according to claim 2, it is characterised in that：The buffer control unit includes can
The cylinder of compression, cover the cushion pad being located at the top of cylinder, the second elastic component being fixed between cushion pad and control box, the cylinder
Air inlet and gas outlet are respectively equipped with body, breather check valve is provided with the air inlet, outlet list is provided with the gas outlet
To valve；The airduct for clearing up bend-proof clamp is connected with gas outlet, the one end of the airduct away from gas outlet is fixed on anti-folding
Clamp top.
4. electric bending testing machine for cement according to claim 1, it is characterised in that：It is equipped with and is used on the polymerization disk
Reduce cloth of the chip to polymerization adjustment debit wound.
5. electric bending testing machine for cement according to claim 1, it is characterised in that：On the polymerization disk chassis upper surface
Provided with baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720655862.7U CN207007630U (en) | 2017-06-07 | 2017-06-07 | Electric bending testing machine for cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720655862.7U CN207007630U (en) | 2017-06-07 | 2017-06-07 | Electric bending testing machine for cement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207007630U true CN207007630U (en) | 2018-02-13 |
Family
ID=61447014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720655862.7U Active CN207007630U (en) | 2017-06-07 | 2017-06-07 | Electric bending testing machine for cement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207007630U (en) |
-
2017
- 2017-06-07 CN CN201720655862.7U patent/CN207007630U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 3 Letian Road, Zhongzhou Town, Zhongxian County, Chongqing, 404300 Patentee after: Chongqing Jurong Industrial (Group) Co.,Ltd. Country or region after: China Address before: No. 3 Letian Road, Zhongzhou Town, Zhongxian County, Chongqing, 404300 Patentee before: CHONGQING JUERONG CONSTRUCTION (GROUP) CO.,LTD. Country or region before: China |