CN207396212U - A kind of large size pressure-shear test machine crossbeam retaining mechanism - Google Patents
A kind of large size pressure-shear test machine crossbeam retaining mechanism Download PDFInfo
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- CN207396212U CN207396212U CN201721396527.6U CN201721396527U CN207396212U CN 207396212 U CN207396212 U CN 207396212U CN 201721396527 U CN201721396527 U CN 201721396527U CN 207396212 U CN207396212 U CN 207396212U
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- lifting platform
- retaining mechanism
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Abstract
The utility model discloses a kind of large-scale pressure-shear test machine crossbeam retaining mechanisms,Its key points of the technical solution are that including column,Lifting platform,Elevating ram and retaining mechanism,The column is provided with 4,The lifting platform coordinates with 4 columns,The elevating ram is arranged below lifting platform,The handspike of elevating ram is connected with lifting platform,The retaining mechanism is arranged on lifting platform,It is and corresponding with corresponding column,The retaining mechanism includes push cylinder,Key block and lock key,The lock key is set in strip,And it is in that two are symmetrically provided on column,Multiple keyways with key block cooperation are provided on the lock key on vertical direction,The key block is slidably mounted on lifting platform surface,The cylinder body of the push cylinder is mounted on lifting platform,Push rod connects key block,A kind of large-scale pressure-shear test machine crossbeam retaining mechanism of the utility model can effectively solve the problems, such as large-scale pressure-shear test machine or the locking of pressure testing machine upper beam.
Description
Technical field
The utility model is related to a kind of large-scale pressure-shear test machine crossbeam retaining mechanisms.
Background technology
As the loading tonnage that large-scale pressure subtracts testing machine is increasing, and the height of test specimen is empty there are one very big variation
Between, so if the crossbeam of testing machine is fixed, many inconvenience can be caused to experiment, be also resulted in for the experiment in later stage very big
Cost overhead, be unfavorable for experiment progress.Have two in common pressure-shear test machine or pressure testing machine middle cross beam retaining mechanism
Kind, one kind is locked using screw-threaded shaft elevator structure；Another is to utilize clamping cylinder after four column pressures subtract testing machine lifting
To lock.Both modes are substantially suitble to less than 1000 tons of experiment, and the experiment of more big load must develop a set of cost
Low, cost-effective product adapts to the demand in market, for leading screw jacking system, in the case of failure (leading screw due to
It is not exclusively synchronous, it is subject to eccentrically loaded influence and stuck), at the scene of user since the problem of condition is difficult to solve, again
Adjust it is extremely difficult, particularly when load is more than 2000 tons or more, since equipment is huge, it is more difficult to carry out, it is therefore desirable to seek
Preferred solution；The fixed mode of clamping cylinder is feasible in theory, and the principle for locking crossbeam is to utilize frictional force
It is locked, when equipment is quite huge, since the weight of structural member is very big, when not doing experiment, since hydraulic pressure is revealed, it is difficult to
Ensure the stabilization of crossbeam, special circumstances are present with stability and the movement of crossbeam, influence being normally carried out for experiment.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind can effectively solve large size
The large-scale pressure-shear test machine crossbeam retaining mechanism of pressure-shear test machine or pressure testing machine upper beam locking problem.
To achieve the above object, the utility model provides following technical solution：A kind of large size pressure-shear test machine cross beam lock
Tight mechanism, including column, lifting platform, elevating ram and retaining mechanism, the column is provided with 4, the lifting platform with 4
Column coordinates, and the elevating ram is arranged below lifting platform, and the handspike of elevating ram is connected with lifting platform, passes through elevating ram
Descending operation, lifting platform can be promoted to be moved up and down on column, the retaining mechanism is arranged on lifting platform, and with it is opposite
The column answered corresponds to, and retaining mechanism is provided with 4 on lifting platform, and corresponds to corresponding column respectively, the retaining mechanism
Including push cylinder, key block and lock key, the lock key is set in strip, and is in that two are symmetrically provided on column, institute
It states and is provided with multiple keyways with key block cooperation on lock key on vertical direction, the key block is slidably mounted on lifting platform surface,
The cylinder body of the push cylinder is mounted on lifting platform, push rod connection key block, can by the push-and-pull scaling operation of push cylinder
Key block is promoted to insert or away from keyway.
The utility model is further arranged to：The limiting slot with key block moving direction, the limit are provided in the key block
The limited block being connected with lifting platform is provided in the slot of position, and limited block is slidably matched with limiting slot.
The utility model is further arranged to：It is provided at the top of the limited block and is supported with what key block upper surface slide contacted
Briquetting, the width of the press block are more than the width of limiting slot.
The utility model is further arranged to：Vertical direction is provided with guide rail on the lock key, on the lifting platform
Corresponding to the pulley being provided at guide rail with guide rail cooperation.
The utility model tool has the advantage that：Large-scale pressure-shear test machine or pressure testing machine upper beam can effectively be solved
Locking problem；
It is adapted to the experiment of various sizes of test specimen；
Testing machine can easily carry out the adjusting in height, be adjusted to certain height, carry out locking mechanically；
By the setting of limited block and limiting slot, the installation of key block can be facilitated, and key block can be avoided to be sent out for keyway
Raw cheap situation by the setting of press block, can be used in locking key block and separated situation do not occur on lifting platform, by leading
Being equipped with for rail and pulley, being capable of easy of rise platform moving up and down on column.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the sectional view at the key block of the utility model.
In figure：1st, column；2nd, lifting platform；3rd, elevating ram；4th, push cylinder；5th, key block；6th, lock key；7th, keyway；8、
Limiting slot；9th, limited block；10th, press block；11st, guide rail；12nd, pulley.
Specific embodiment
Referring to figs. 1 to shown in 2, a kind of large-scale pressure-shear test machine crossbeam retaining mechanism of the present embodiment including column 1, rises
Drop platform 2, elevating ram 3 and retaining mechanism, the column 1 are provided with 4, and coordinating with 4 columns 1 for the lifting platform 2 is described
Elevating ram 3 is arranged on 2 lower section of lifting platform, and the handspike of elevating ram 3 is connected with lifting platform 2, is grasped by the lifting of elevating ram 3
Make, lifting platform 2 can be promoted to be moved up and down on column 1, the retaining mechanism is arranged on lifting platform 2, and with it is corresponding
Column 1 corresponds to, and retaining mechanism is provided with 4 on lifting platform 2, and corresponds to corresponding column 1 respectively, the retaining mechanism bag
Push cylinder 4, key block 5 and lock key 6 are included, the lock key 6 is set in strip, and is in that two are symmetrically provided on column 1,
Multiple keyways 7 coordinated with key block 5 are provided on the lock key 6 on vertical direction, the key block 5 is slidably mounted on lifting platform
2 surfaces, the cylinder body of the push cylinder 4 are mounted on lifting platform 2, and push rod connection key block 5 is stretched by the push-and-pull of push cylinder 4
Contracting operation can promote key block 5 to insert or away from keyway 7.
The limiting slot 8 with 5 moving direction of key block is provided in the key block 5, is provided in the limiting slot 8 and lifting platform
The limited block 9 of 2 connections, and limited block 9 is slidably matched with limiting slot 8.
The top of the limited block 9 is provided with the press block 10 contacted with 5 upper surface slide of key block, the press block 10
Width is more than the width of limiting slot 8.
Vertical direction is provided with guide rail 11 on the lock key 6, corresponds on the lifting platform 2 at guide rail 11 and is provided with
The pulley 12 coordinated with guide rail 11.
Entire retaining mechanism is key tooth locking mechanism, and entire testing machine has 4 carrying columns 1, filled on each bearing column
Upper two rows key tooth, the height specified is adjusted to by elevating ram 3, is then locked by key tooth first.
By using above-mentioned technical proposal, large-scale pressure-shear test machine or pressure testing machine upper beam lock can be effectively solved
Tight problem；
It is adapted to the experiment of various sizes of test specimen；
Testing machine can easily carry out the adjusting in height, be adjusted to certain height, carry out locking mechanically；
By the setting of limited block 9 and limiting slot 8, the installation of key block 5 can be facilitated, and key block 5 can be avoided for key
Cheap situation occurs for slot 7, by the setting of press block 10, can be used in locking key block 5 and separated feelings do not occur on lifting platform 2
Condition, being capable of the moving up and down on column 1 of easy of rise platform 2 by being equipped with for guide rail 11 and pulley 12.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of large size pressure-shear test machine crossbeam retaining mechanism, it is characterised in that：Including column, lifting platform, elevating ram and lock
Tight mechanism, the column are provided with 4, and the lifting platform coordinates with 4 columns, and the elevating ram is arranged under lifting platform
Side, the handspike of elevating ram is connected with lifting platform, by the descending operation of elevating ram, can promote lifting platform on column on
Lower movement, the retaining mechanism are arranged on lifting platform, and corresponding with corresponding column, and retaining mechanism is set on lifting platform
4 are equipped with, and corresponds to corresponding column respectively, the retaining mechanism includes push cylinder, key block and lock key, the lock key
It is set in strip, and in being symmetrically provided with two on column, multiple and key block is provided on vertical direction on the lock key
The keyway of cooperation, the key block are slidably mounted on lifting platform surface, and the cylinder body of the push cylinder is mounted on lifting platform, push rod
Key block is connected, by the push-and-pull scaling operation of push cylinder, key block can be promoted to insert or away from keyway.
2. a kind of large-scale pressure-shear test machine crossbeam retaining mechanism according to claim 1, it is characterised in that：In the key block
The limiting slot with key block moving direction is provided with, the limited block being connected with lifting platform, and limited block are provided in the limiting slot
It is slidably matched with limiting slot.
3. a kind of large-scale pressure-shear test machine crossbeam retaining mechanism according to claim 2, it is characterised in that：The limited block
Top be provided with the press block contacted with key block upper surface slide, the width of the press block is more than the width of limiting slot.
4. a kind of large-scale pressure-shear test machine crossbeam retaining mechanism according to claim 1, it is characterised in that：The lock key
It is upper that vertical direction is provided with guide rail, the pulley being provided with guide rail cooperation is corresponded at guide rail on the lifting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396527.6U CN207396212U (en) | 2017-10-26 | 2017-10-26 | A kind of large size pressure-shear test machine crossbeam retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396527.6U CN207396212U (en) | 2017-10-26 | 2017-10-26 | A kind of large size pressure-shear test machine crossbeam retaining mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396212U true CN207396212U (en) | 2018-05-22 |
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ID=62326816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721396527.6U Active CN207396212U (en) | 2017-10-26 | 2017-10-26 | A kind of large size pressure-shear test machine crossbeam retaining mechanism |
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| CN (1) | CN207396212U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827852A (en) * | 2019-04-03 | 2019-05-31 | 河南交通职业技术学院 | A kind of compression shear test device |
| CN109870369A (en) * | 2019-04-03 | 2019-06-11 | 河南交通职业技术学院 | A kind of hydraulic pressure-shear test machine |
| CN112775237A (en) * | 2021-01-23 | 2021-05-11 | 周利丽 | Matrix groove puncture device for stainless steel processing |
-
2017
- 2017-10-26 CN CN201721396527.6U patent/CN207396212U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827852A (en) * | 2019-04-03 | 2019-05-31 | 河南交通职业技术学院 | A kind of compression shear test device |
| CN109870369A (en) * | 2019-04-03 | 2019-06-11 | 河南交通职业技术学院 | A kind of hydraulic pressure-shear test machine |
| CN112775237A (en) * | 2021-01-23 | 2021-05-11 | 周利丽 | Matrix groove puncture device for stainless steel processing |
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