CN201272963Y - Force adapter - Google Patents
Force adapter Download PDFInfo
- Publication number
- CN201272963Y CN201272963Y CNU200820142227XU CN200820142227U CN201272963Y CN 201272963 Y CN201272963 Y CN 201272963Y CN U200820142227X U CNU200820142227X U CN U200820142227XU CN 200820142227 U CN200820142227 U CN 200820142227U CN 201272963 Y CN201272963 Y CN 201272963Y
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- China
- Prior art keywords
- bearing
- thrust ball
- base
- bearing support
- connecting base
- 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
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a force conversion joint applied in engineering geological investigation, which is provided with an upper connecting base, a lower connecting base and a bearing base between the upper and the lower connecting bases, wherein the lower connecting base is connected with the bearing base via screws; the bearing base is provide with a central hole and thrust ball bearings at upper and lower end faces; the upper end face is provided with a boss jointed with a corresponding thrust ball bearing; the upper connecting base is provided with a central shaft penetrating through the bearing bear and the thrust ball bearings; the thrust ball bearing at the upper end face of the bearing base is provided with a cup shaped positioning sleeve; the lower end face of the bearing base is provided with a horizontal groove for horizontally arranging a corresponding thrust ball bearing, and a bearing gland; and the central shaft is provided with connecting screws and nuts for locking the gland. The upper connecting base of the joint reliably connects the bearing base, the upper and the lower thrust ball bearings via the central shaft and the locknuts, to conduct the penetration pressure to an electric measurement probe via the fixed bearing base, when the upper connecting base and the central shaft rotate synchronously along with a drill rod. The utility model has the advantages that the force conversion joint can prolong the failure-free operation time of the bearing and hold the penetration verticality of the electric measurement probe.
Description
Technical field
The utility model belongs to sounding device, particularly relates to the power crossover sub of engineering geologic investigation.
Background technology
Static sounding is to adopt the injection pressure of power source that the feeler inspection probe is pressed into a kind of engineer geological prospecting method that soil layer is implemented in-situ test.
The utility model of patent No. 200720097128.X " static sounding equipment " discloses a kind of static sounding equipment, comprise geological drilling rig, drilling rod and drill bit, between drill bit and static sounding electrical measurement probe, a power conversion device is housed, effect is to make drilling rod and drill bit rotation, and the electrical measurement of static sounding probe does not rotate.The structure of power conversion device is in the sleeve between drill bit and static sounding electrical measurement probe a thrust ball bearing to be set, and seat ring and the sleeve of bearing fix, the push rod interference fit that blowout patche and electrical measurement are popped one's head in.
Power conversion device disclosed in above-mentioned " static sounding equipment " is a kind of effective measures of improving static sounding, but the push rod that has an electrical measurement probe and thrust ball bearing blowout patche fixedly owe reliable defective, the push rod of electrical measurement probe will be in the state of becoming flexible and lose efficacy when the penetration resistance of probe cone surpasses the friction of interference fit.In addition, above-mentioned power conversion device will make injection pressure concentrate on a thrust ball bearing, be unfavorable for prolonging the bearing time between failures, the verticality when also being unfavorable for the electrical measurement probe injection of this bearings.
Summary of the invention
The utility model is that there be fixedly owing reliable, be unfavorable for prolonging the bearing time between failures and keep the technical problem of electrical measurement probe injection verticality of push rod and thrust ball bearing blowout patche in power conversion device and propose a kind of power crossover sub in above-mentioned in order to solve " static sounding equipment ".
The utility model is taked following technical scheme for achieving the above object: this joint is made up of thrust ball bearing, it is characterized in that: joint is by upper connecting base, lower union joint and the bearing support between it constitute main body, lower union joint is threaded with bearing support, described bearing support is provided with centre bore and is positioned at the thrust ball bearing of its upper and lower end face, the bearing support upper surface is provided with the boss that engages with the respective thrust ball bearing, described upper connecting base be provided with connect bearing support and on, the central axis of lower surface thrust ball bearing, the thrust ball bearing of bearing support upper surface is provided with the cup-shaped positioning sleeve that is set in the central axis shaft shoulder, the bearing support lower surface is provided with the hugging of horizontally-arranged respective thrust ball bearing and is engaged in the gland of this thrust ball bearing, and the shaft end of central axis is provided with the connecting thread and the nut of tightening gland.
The utility model can also be taked following technical measures:
The outside of described cup-shaped positioning sleeve is provided with protective jacket, and the one end is threaded with bearing support, and the other end and upper connecting base are slidingly connected, and is respectively equipped with O-ring seal between protective jacket and upper connecting base and the bearing support.
Be provided with O-ring seal between described lower union joint and the bearing support.
The beneficial effects of the utility model with advantage are: the upper connecting base of this joint reliably is connected with it with the thrust ball bearing of nut with bearing support and both ends of the surface thereof by its central axis, and can guarantee the concentricity of bearing support and central axis, in upper connecting base and central axis and drilling rod rotation synchronously, injection pressure is conducted in electrical measurement by non-rotary bearing support and pop one's head in.The utlity model has the outstanding advantage that can prolong the bearing time between failures and keep electrical measurement probe injection verticality.
Description of drawings
Accompanying drawing 2 is example structure generalized sections
Number in the figure: 1 upper connecting base, 1-1 central axis, 1-2 locknut, 2 protective jackets, 3 bearing supports, 4 lower union joints, 5 cup-shaped positioning sleeves, thrust ball bearing on 6,7 times thrust ball bearings, 8 glands, 9 O-ring seals.
The specific embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
Embodiment as shown in Figure 1, 2, the power crossover sub constitutes main body by upper connecting base 1, lower union joint 4 and the bearing support between it 3, and lower union joint 4 is threaded with bearing support 3, is provided with O-ring seal 9 between it.
Upper connecting base 1 is provided with the central axis 1-1 that connects bearing support 3 and go up thrust ball bearing and following thrust ball bearing, and last thrust ball bearing 6 is provided with the cup-shaped positioning sleeve 5 that is set in the central axis 1-1 shaft shoulder.Bearing support 3 lower surfaces are provided with the hugging of horizontally-arranged thrust ball bearing 7 down and are engaged in down the gland 8 of thrust ball bearing, and the shaft end of central axis 1-1 is provided with the connecting thread and the nut 1-2 of tightening gland 8.
Cup-shaped positioning sleeve 5 outsides of last thrust ball bearing 6 are provided with protective jacket 2, and its lower end is threaded with bearing support 3, and upper end and upper connecting base 1 surface groove are slidingly connected.Be respectively equipped with O-ring seal 9 between protective jacket 2 and upper connecting base 1 and the bearing support 3.
This power crossover sub makes it to be connected between feeler lever or drilling rod and the static sounding electrical measurement probe by upper connecting base 1 and lower union joint 4.
Embodiment decomposes the torque and the injection pressure of feeler lever or drilling rod, and wherein upper connecting base 1 and central axis thereof are the rotary parts that is supported in upper and lower thrust ball bearing, and bearing support 3, lower union joint 4 are on-rotatably moving parts.
Claims (3)
1, a kind of power crossover sub, formed by thrust ball bearing, it is characterized in that: joint is by upper connecting base, lower union joint and the bearing support between it constitute main body, lower union joint is threaded with bearing support, described bearing support is provided with centre bore and is positioned at the thrust ball bearing of its upper and lower end face, the bearing support upper surface is provided with the boss that engages with the respective thrust ball bearing, described upper connecting base be provided with connect bearing support and on, the central axis of lower surface thrust ball bearing, the thrust ball bearing of bearing support upper surface is provided with the cup-shaped positioning sleeve that is set in the central axis shaft shoulder, the bearing support lower surface is provided with the hugging of horizontally-arranged respective thrust ball bearing and is engaged in the gland of this thrust ball bearing, and the shaft end of central axis is provided with the connecting thread and the nut of tightening gland.
2, power crossover sub according to claim 1, it is characterized in that: the outside of described cup-shaped positioning sleeve is provided with protective jacket, the one end is threaded with bearing support, and the other end and upper connecting base are slidingly connected, and is respectively equipped with O-ring seal between protective jacket and upper connecting base and the bearing support.
3, power crossover sub according to claim 1 is characterized in that: be provided with O-ring seal between described lower union joint and the bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820142227XU CN201272963Y (en) | 2008-09-26 | 2008-09-26 | Force adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820142227XU CN201272963Y (en) | 2008-09-26 | 2008-09-26 | Force adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201272963Y true CN201272963Y (en) | 2009-07-15 |
Family
ID=40883311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820142227XU Expired - Fee Related CN201272963Y (en) | 2008-09-26 | 2008-09-26 | Force adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201272963Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322051A (en) * | 2011-07-15 | 2012-01-18 | 中铁第四勘察设计院集团有限公司 | Rotary static pressure injection type cone static penetration coupler |
| CN103629252A (en) * | 2012-08-20 | 2014-03-12 | 刘建明 | Bearing assembly |
| CN104831701A (en) * | 2015-04-30 | 2015-08-12 | 铁道第三勘察设计院集团有限公司 | Multifunctional detection rod-free in-situ static force test system and using method |
| CN105862701A (en) * | 2016-04-12 | 2016-08-17 | 温岭市迪信勘察仪器有限公司 | Rotating type static sounding device |
-
2008
- 2008-09-26 CN CNU200820142227XU patent/CN201272963Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322051A (en) * | 2011-07-15 | 2012-01-18 | 中铁第四勘察设计院集团有限公司 | Rotary static pressure injection type cone static penetration coupler |
| CN103629252A (en) * | 2012-08-20 | 2014-03-12 | 刘建明 | Bearing assembly |
| CN103629252B (en) * | 2012-08-20 | 2017-11-24 | 江苏省电力公司常州供电公司 | Processing unit (plant) with bearing assembly |
| CN104831701A (en) * | 2015-04-30 | 2015-08-12 | 铁道第三勘察设计院集团有限公司 | Multifunctional detection rod-free in-situ static force test system and using method |
| CN105862701A (en) * | 2016-04-12 | 2016-08-17 | 温岭市迪信勘察仪器有限公司 | Rotating type static sounding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20130926 |