CN208537280U - A kind of large-tonnage self-balance loading system - Google Patents
A kind of large-tonnage self-balance loading system Download PDFInfo
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- CN208537280U CN208537280U CN201820498083.5U CN201820498083U CN208537280U CN 208537280 U CN208537280 U CN 208537280U CN 201820498083 U CN201820498083 U CN 201820498083U CN 208537280 U CN208537280 U CN 208537280U
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Abstract
The utility model discloses a kind of large-tonnage self-balance loading systems, including bearing base, hydraulic jack, steel pull rod and the carrying footstock of device on the base, the bearing base, the hydraulic jack, the steel pull rod and carrying footstock form self-balanced loading frame.It further include the hoisting mechanism for placing test member.The hydraulic jack is mounted on bearing base by fixed device, and the steel pull rod is fixed on bearing base and footstock by high-strength nut, locking nut and adjusting nut, and the hoisting mechanism will support test specimen to be balanced placement.The system can be used and be tested in the support test specimen of different dimensions lengths using lateral loading method, and manpower is saved in systematic economy environmental protection.It compared with traditional load test, is not limited by site condition, simplicity swift to operate, test accuracy is high.
Description
Technical field
The utility model relates to civil engineering instrument and equipment technical fields, especially a kind of large-tonnage self-balanced loading system
System.
Background technique
Large-tonnage supporting frame crush test is of crucial importance in civil engineering research, currently, in city
The supporting member of major diameter large-tonnage is more in skyscraper, and traditional loading method carries out bearing capacity survey to this type supporting member
Try extremely difficult, and testing expense is high, so that the component in crucial weight bearing area is cannot get effective bearing capacity examination, gives
The safety of engineering hides some dangers for.
In traditional loading experiment, it is often necessary to it builds the equipment such as counter force wall or reaction frame and is loaded by jack, or
Person is transported into hundreds of tons or thousands of tons of material carries out quiet lotus load, consumes very big human and material resources.In addition, the survey after overtesting
Test pile cannot generally continue to be applicable in as engineering pile.In traditional loading method, due to being limited by loading equipemtn, test specimen
Length can be required, and need by many large-scale instruments carry out assistant experiment, installation combination, dismantle it is relatively difficult, it is whole
A experimentation is long.
To sum up, provide that a kind of experimental efficiency is high, do not limited by site condition, is convenient and efficient, that cost of manufacture is relatively low is big
Tonnage self-balance loading system is of great significance.
Utility model content
In view of the above problems, the purpose of the utility model is to provide a kind of large-tonnage self-balance loading systems.
The technical solution of the utility model is: a kind of large-tonnage self-balance loading system, including bearing base 1, hydraulic thousand
Jin top 2, support test specimen 3, steel pull rod 4, sensor 5, carrying footstock 6, jack fixing device 7, jack fixing device spiral shell
It is bolt 8, nut backing plate 9, fixing bolt 10, high-strength nut 11, locking nut 12, adjusting nut 13, jack bearing disc 14, very heavy
It is vertical to push up big piston 15, jack platen 16, footstock backing plate 17, footstock bearing disc 18, sliding sleeve 19, hoisting mechanism 20, steel
Frame 21, high-strength pulley 22, cable wire 23 and motor 24, the bearing base 1, hydraulic jack 2, steel pull rod 4 and carrying footstock 6
Self-balanced loading frame is formed, the support test specimen 3 is placed on hoisting mechanism 20, and the hydraulic jack 2 passes through jack
Fixed device 7 is placed on bearing base 1, and the jack fixing device 7 is fixedly mounted in triangle base, the steel
Pull rod is fixed on bearing base 1 and carrying footstock 6 by high-strength nut 11, locking nut 12 and adjusting nut 13, described to mention
Rise mechanism 20 assembled by steel stand 21 and high-strength pulley 22, the support test specimen 3 by motor 24 control cable wire 23 into
Row adjustment is fixed, and two groups of hoisting mechanisms 20 keep the support balance of test specimen 3 to place, and sensor 5 is installed on the support test specimen 3.
Further, the jack fixing device 7 is 3.
Further, the jack fixing device 7 is fixedly mounted by 4 jack fixing device bolts 8, and two solid
Bolt 10 is determined for installing hydraulic jack 2, while padding top nut backing plate 9.
Further, sliding sleeve 19 is installed on the carrying footstock 6, can according to the length dimension of test member come into
Row adjustment, is provided with footstock backing plate 17 and bearing disc 18 on the carrying footstock 6, for carrying support test specimen 3.
Further, the 4 maximum pull load of steel pull rod is 300 tons, for maximum 900 tons of test experiments.
Further, the sensor 5 includes strain gauge or displacement sensor.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model solves inconvenient for operation in previous loading experiment, and time-consuming, tests the problems such as not accurate.
Test space is big simultaneously, is applicable in higher support specimen test demand, using horizontal pressuring method, facilitates placement and experiment behaviour
Make, in addition, installation and removal are all more convenient, it is possible to provide more accurate empirical value.
(2) the utility model have cost of manufacture it is lower, it is simple and efficient to handle, do not receive site condition limitation the features such as, with
Just the supporting member in urban architecture can obtain bearing test to a greater extent.
Detailed description of the invention
Fig. 1 is the utility model entirety self-balancing bearing system schematic diagram.
Fig. 2 is the utility model bearing base schematic diagram.
Fig. 3 is that the utility model carries footstock schematic diagram.
Fig. 4 is the utility model hydraulic jack and pedestal fixing device schematic diagram.
Fig. 5 is that the utility model carries the fixed device of footstock and pressure-bearing device schematic diagram.
Fig. 6 is the hoisting mechanism schematic device that the utility model is used to place support test specimen.
In figure: 1- bearing base, 2- hydraulic jack, 3- support test specimen, 4- steel pull rod, 5- sensor, 6- load-supporting roof
Seat, 7- jack fixing device, 8- jack fixing device bolt, 9- nut backing plate, 10- fixing bolt, 11- high-strength nut,
12- locking nut, 13- adjusting nut, 14- jack bearing disc, the big piston of 15- jack, 16- jack platen, 17- footstock
Backing plate, 18- footstock bearing disc, 19- sliding sleeve, 20- hoisting mechanism, 21- steel stand, the high-strength pulley of 22-, 23- cable wire,
24- motor.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1, large-tonnage self-balance loading system includes bearing base 1, the hydraulic jack of device on the base
2, steel pull rod 4 and carrying footstock 6, bearing base 1, hydraulic jack 2, steel pull rod 4 and carrying footstock 6 form self-balancing
Loading frame.In addition, further including the hoisting mechanism 20 for placing support test specimen 3.
As shown in Figure 2 and Figure 4, jack fixing device 7 is installed first, each jack fixing device is very heavy by 4
It pushes up fixed device bolt 8 to be fixedly mounted, each installation of jack fixing device bolt 8 is provided with small-sized nut backing plate.Then will
Hydraulic jack 2 is directed at bolt hole placement from the negative, is installed by each jack fixing device 7, by fixing bolt 10
Bolt backing plate 9 on underlay installs three jack fixing devices 7 and hydraulic jack 2 with this, and checks each bolt safety
Situation.
As shown in Figure 3 and Figure 5, footstock backing plate 17 and footstock bearing disc 18 are installed on carrying footstock 6 and fixed.
Hoisting mechanism 20 is modulated as shown in fig. 6, being equipped with, cable wire 23 and 24 rope hauling device of motor are linked together, it will
Two groups of hoisting mechanisms 20 are placed on designated position.
After bearing base 1, hydraulic jack 2, carrying footstock 6 and hoisting mechanism 20 are installed, whole system is carried out
System installation.Three steel pull rods 4 are fixed on bearing base 1 and carrying footstock 6 by high-strength nut 11, pass through locking nut
12 are locked, and are then carried out pull rod by adjusting nut 13 and are finally fixed.Pullover 19 is slided in the carrying installation of footstock 6 simultaneously,
6 position of footstock is carried for adjusting, to adapt to the support test specimen 3 of different length.
Operating procedure:
Step 1: assembling self-balance loading system installs all parts, checks the nut case of each position, guarantees examination
Test smooth expansion.
Step 2: displacement sensor or strain gauge are installed on support test specimen 3.
Step 3: according to the sliding sleeve 19 of the length adjustment carrying footstock 6 of test support test specimen 3, thus realization device
The adjustment of height changes.
Step 4: support test specimen 3 is stably placed at loading position, adjustment carrying by cable wire by starting hoisting mechanism 20
The sliding sleeve 19 of footstock 6, and be fixed by bolt.
Step 5: starting hydraulic jack 2 moves in the horizontal direction, to apply axial pressure load to support test specimen 3, protects
Hold the self-balancing state of system.Data registration is carried out to displacement and strain gauge simultaneously.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. a kind of large-tonnage self-balance loading system, which is characterized in that including bearing base (1), hydraulic jack (2), support
Test specimen (3), steel pull rod (4), sensor (5), carrying footstock (6), jack fixing device (7), jack fixing device spiral shell
Bolt (8), nut backing plate (9), fixing bolt (10), high-strength nut (11), locking nut (12), adjusting nut (13), jack
Bearing disc (14), the big piston of jack (15), jack platen (16), footstock backing plate (17), footstock bearing disc (18), sliding sleeve
Cylinder (19), hoisting mechanism (20), steel stand (21), high-strength pulley (22), cable wire (23) and motor (24), the bearing base
(1), hydraulic jack (2), steel pull rod (4) and carrying footstock (6) form self-balanced loading frame, the support test specimen (3)
It is placed on hoisting mechanism (20), the hydraulic jack (2) is placed in bearing base (1) by jack fixing device (7)
On, the jack fixing device (7) is fixedly mounted in triangle base, and the steel pull rod passes through high-strength nut (11), lock
Tight nut (12) and adjusting nut (13) are fixed on bearing base (1) and carrying footstock (6), and the hoisting mechanism (20) is by steel
Stand (21) processed and high-strength pulley (22) assemble, and the support test specimen (3) is carried out by motor (24) control cable wire (23)
Adjustment is fixed, and two groups of hoisting mechanisms (20) keep support test specimen (3) balance to place, and sensing is installed on the support test specimen (3)
Device (5).
2. a kind of large-tonnage self-balance loading system according to claim 1, which is characterized in that the fixed dress of the jack
Setting (7) is 3.
3. a kind of large-tonnage self-balance loading system according to claim 1, which is characterized in that the fixed dress of the jack
It sets (7) to be fixedly mounted by 4 jack fixing device bolts (8), two fixing bolts (10) are for installing hydraulic jack
(2), while top nut backing plate (9) being padded.
4. a kind of large-tonnage self-balance loading system according to claim 1, which is characterized in that the carrying footstock (6)
On sliding sleeve (19) are installed, can be adjusted according to the length dimension of test member, be set on the carrying footstock (6)
It is equipped with footstock backing plate (17) and bearing disc (18), for carrying support test specimen (3).
5. a kind of large-tonnage self-balance loading system according to claim 1, which is characterized in that the steel pull rod (4)
Maximum pull load is 300 tons, for maximum 900 tons of test experiments.
6. a kind of large-tonnage self-balance loading system according to claim 1, which is characterized in that sensor (5) packet
Include strain gauge or displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498083.5U CN208537280U (en) | 2018-04-10 | 2018-04-10 | A kind of large-tonnage self-balance loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498083.5U CN208537280U (en) | 2018-04-10 | 2018-04-10 | A kind of large-tonnage self-balance loading system |
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| CN208537280U true CN208537280U (en) | 2019-02-22 |
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| CN201820498083.5U Active CN208537280U (en) | 2018-04-10 | 2018-04-10 | A kind of large-tonnage self-balance loading system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155595A (en) * | 2021-04-29 | 2021-07-23 | 中国能源建设集团江苏省电力设计院有限公司 | Tension-compression experimental device |
| CN113640114A (en) * | 2021-08-09 | 2021-11-12 | 重庆长江预应力有限公司 | Pull rod static load test system |
| CN114235575A (en) * | 2021-12-14 | 2022-03-25 | 上海交通大学 | Self-balancing large-span structure loading test system and test method |
-
2018
- 2018-04-10 CN CN201820498083.5U patent/CN208537280U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155595A (en) * | 2021-04-29 | 2021-07-23 | 中国能源建设集团江苏省电力设计院有限公司 | Tension-compression experimental device |
| CN113640114A (en) * | 2021-08-09 | 2021-11-12 | 重庆长江预应力有限公司 | Pull rod static load test system |
| CN113640114B (en) * | 2021-08-09 | 2024-04-26 | 重庆长江预应力有限公司 | Static load test system for pull rod |
| CN114235575A (en) * | 2021-12-14 | 2022-03-25 | 上海交通大学 | Self-balancing large-span structure loading test system and test method |
| CN114235575B (en) * | 2021-12-14 | 2024-02-20 | 上海交通大学 | Self-balancing large-span structure loading test system and test method |
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