CN209704604U - A kind of rock-bolt draw-off gear - Google Patents
A kind of rock-bolt draw-off gear Download PDFInfo
- Publication number
- CN209704604U CN209704604U CN201920295220.XU CN201920295220U CN209704604U CN 209704604 U CN209704604 U CN 209704604U CN 201920295220 U CN201920295220 U CN 201920295220U CN 209704604 U CN209704604 U CN 209704604U
- Authority
- CN
- China
- Prior art keywords
- anchor pole
- lower bolster
- rock
- bolt
- upper padding
- 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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Abstract
The utility model provides a kind of rock-bolt draw-off gear, belongs to the technical field of draw-off gear, including hydraulic hand-pump, hydraulic cylinder, oil pipe, pressure gauge, extending pull rod, auxiliary frame, spanner, anchor pole clamp assemblies and locking nut；Auxiliary frame includes upper padding plate, lower bolster, the force transfer bracket and adjustable feet component for connecting upper padding plate and lower bolster；Adjustable feet component includes the fixture nut for being fixed on lower bolster downside, support leg, the traveling nut connecting with support leg and adjusts bolt；Anchor pole clamp assemblies include sleeve, adapter, fixed ring and attachment cap；Extending pull rod passes through upper padding plate and hydraulic cylinder；Locking nut is set on extending pull rod.The loading angle of the adjustable anchor pole to be measured of the device, while solving the problems, such as that the length in reserve of anchor pole to be measured is too short and leading to not be tested.
Description
Technical field
The utility model belongs to the technical field of draw-off gear, more particularly to a kind of rock-bolt draw-off gear.
Background technique
Main support system of the rock-bolt as New Austrian Tunneling Method tunneling, is widely used in constructing tunnel, rock
For the construction quality relationship of anchor pole to the stabilization of structure, wherein the work load index of rock-bolt is dominant item, therefore is being applied
It needs to be sampled detection pulling capacity according to certain test frequency during work.Detecting instrument is rock-bolt drawing instrument, main
It to include that manual pump, hydraulic cylinder, intelligent digital pressure gauge, the high-pressure oil pipe with quick coupling, anchorage and Handheld portable case form,
Its hydraulic cylinder be hollow self-replaced type, intelligent digital pressure gauge be can directly read axis force of anchor value (kN), and have peak holding,
Storage and query function are particularly suitable for scene and use, cooperate auxiliary stand according to the actual situation.Existing rock-bolt drawing dress
In setting, auxiliary stand is placed directly on concrete surface, does not have the function of adjustment loading angle, while as concrete becomes
Shape often leads to test inaccurate or test failure.If furthermore the length in reserve of rock-bolt is too short can not also be tested.
Utility model content
The purpose of this utility model is to provide a kind of rock-bolt draw-off gears, to improve the above problem.
To achieve the above object, the utility model provides a kind of rock-bolt draw-off gear, including hydraulic hand-pump, hydraulic
Oil cylinder, the oil pipe for connecting hydraulic hand-pump and hydraulic cylinder and the pressure gauge being arranged on oil pipe, further include being arranged on the body of rod
There are externally threaded extending pull rod, auxiliary frame, spanner, anchor pole clamp assemblies and locking nut；Auxiliary frame includes upper padding plate, underlay
Plate, the force transfer bracket and adjustable feet component for connecting upper padding plate and lower bolster；It is provided on upper padding plate and is passed through for extending pull rod
First through hole；The second through-hole passed through for anchor pole to be measured is provided on lower bolster；Adjustable feet component includes being fixed on down
Fixture nut, support leg, the traveling nut being connect with the support leg and the adjusting bolt of backing plate downside；Bolt is adjusted to wear
Lower bolster and fixture nut are crossed, tail end is located in traveling nut；Spanner adjusts bolt for rotating；Anchor pole clamp assemblies include set
Cylinder, adapter, fixed ring and attachment cap；Between upper padding plate and lower bolster, bottom end is recessed inwardly in cone, circular cone sleeve
The top of body is provided with the third through-hole passed through for anchor pole to be measured, and top end opening is provided with internal screw thread on the inner wall on top；
Adapter is the fixture block being made of multiple wedge blocks, is arranged between the barrel of sleeve and cone, is clamped in outside anchor pole to be measured；
Fixed ring passes through anchor pole to be measured, is resisted against the top of adapter；Attachment cap is set in outside fixed ring, and outer wall is provided with to be connected with sleeve
The external screw thread connect, top are provided with the threaded hole connecting with extending pull rod；Extending pull rod passes through upper padding plate and hydraulic cylinder, top
Outside hydraulic cylinder；Locking nut is set on extending pull rod, is resisted against on hydraulic cylinder.
Further, support leg and traveling nut are hinged by globular hinge head.
Further, upper padding plate and lower bolster are triangle plate structure；Force transfer bracket connects upper padding plate and lower bolster
Corresponding vertex；Adjustable feet component is arranged in three vertex of lower bolster.
Further, it adjusts and is provided with hexagonal groove on the nut of bolt；Spanner is l-shaped rod, and section is and the hexagonal
The hexagon of groove cooperation.
Further, the top of extending pull rod is provided with rotary bayonet.
Further, locking nut is furnished with locking piece.
Further, the contact surface of the wedge block of adapter and anchor pole to be measured is pitted skin.
The beneficial effects of the utility model are:
Above-mentioned rock-bolt draw-off gear is installed in rock-bolt end, auxiliary frame is placed on concrete surface, according to
Anchor pole to be measured stretches out direction, is rotated with spanner and adjusts bolt, and adjusts bolted fixture nut along adjusting bolt or more
Mobile, to adjust the angle of lower bolster Yu anchor pole to be measured, it is vertical with anchor pole to be measured to be adjusted to lower bolster, guarantee direction of pull and
Anchor pole direction to be measured is consistent, installs anchor pole clamp assemblies and extending pull rod, and the end of anchor pole to be measured passes through lower bolster, penetrates sleeve
It is interior, adapter is installed between the barrel and cone of sleeve, adapter is clamped in outside anchor pole to be measured, installs fixed ring and connection
Cap tightens attachment cap and fixes fixed ring and adapter, guarantees that anchor pole to be measured is not fallen out, extending pull rod is worn from upper padding plate
Enter, the threaded hole connection of bottom end and attachment cap installs hydraulic cylinder, installation locking nut prevents extending pull rod from gliding.It can from above
Know, rock-bolt draw-off gear provided by the utility model, the loading angle of adjustable anchor pole to be measured, even if being sent out in concrete
In the case where the shape that changes, it also can guarantee that direction of pull is consistent with anchor pole direction to be measured, when effectively improving rock-bolt drawing
Generally existing stress loses problem, improves the success rate and precision of test；And pass through extending pull rod and anchor pole clamping group
Part is used cooperatively, and is solved the problems, such as that the length in reserve of anchor pole to be measured is too short and is led to not be tested.Apparatus structure letter
It is single, ingenious in design, cost of manufacture is cheap, easy to operate, easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of rock-bolt draw-off gear provided by the embodiment of the utility model；
Fig. 2 is the explosive view of rock-bolt draw-off gear shown in Fig. 1.
In figure: 1- hydraulic hand-pump；2- hydraulic cylinder；3- oil pipe；4- pressure gauge；5- extending pull rod；5.1- rotary bayonet；
6- spanner；7- locking nut；8- upper padding plate；9- lower bolster；10- force transfer bracket；11- fixture nut；12- support leg；13- activity
Nut；14- adjusts bolt；15- sleeve；16- adapter；17- fixed ring；18- attachment cap.
Specific embodiment
The present embodiment provides a kind of rock-bolt draw-off gears, as depicted in figs. 1 and 2, including it is hydraulic hand-pump 1, hydraulic
Oil cylinder 2, the oil pipe 3 for connecting hydraulic hand-pump 1 and hydraulic cylinder 2 and the pressure gauge 4 being arranged on oil pipe 3, further include the body of rod
On be provided with externally threaded extending pull rod 5, auxiliary frame, spanner 6, anchor pole clamp assemblies and locking nut 7；Auxiliary frame includes upper pad
Plate 8, lower bolster 9, the force transfer bracket 10 and adjustable feet component for connecting upper padding plate 8 and lower bolster 9；It is provided on upper padding plate 8
The first through hole passed through for extending pull rod 5；The second through-hole passed through for anchor pole to be measured is provided on lower bolster 9；Adjustable feet
Component include the fixture nut 11 for being fixed on 9 downside of lower bolster, support leg 12, the traveling nut 13 that is connect with support leg 12 with
And adjust bolt 14；It adjusts bolt 14 and passes through lower bolster 9 and fixture nut 11, tail end is located in 13 mother of movable screw；Spanner 6 is used for
Rotation adjusts bolt 14；Anchor pole clamp assemblies include sleeve 15, adapter 16, fixed ring 17 and attachment cap 18；Sleeve 15 is located at
Between upper padding plate 8 and lower bolster 9, bottom end is recessed inwardly in cone, and the top of cone is provided with what confession anchor pole to be measured passed through
Third through-hole, top end opening are provided with internal screw thread on the inner wall on top；Adapter 16 is the folder being made of multiple wedge blocks
Block is arranged between the barrel and cone of sleeve 15, is clamped in outside anchor pole to be measured；Fixed ring 17 passes through anchor pole to be measured, against
In the top of adapter 16；Attachment cap 18 is set in outside fixed ring 17, and outer wall is provided with the external screw thread connecting with sleeve 15, top
It is provided with the threaded hole connecting with extending pull rod 5；Extending pull rod 5 passes through upper padding plate 8 and hydraulic cylinder 2, and top is located at hydraulic oil
Outside cylinder 2；Locking nut 7 is set on extending pull rod 5, is resisted against on hydraulic cylinder 2.
Above-mentioned rock-bolt draw-off gear is installed in rock-bolt end, auxiliary frame is placed on concrete surface, according to
Anchor pole to be measured stretches out direction, is rotated with spanner 6 and adjusts bolt 14, and the fixture nut 11 connecting with adjusting bolt 14 is along adjusting spiral shell
Bolt 14 moves up and down, to adjust the angle of lower bolster 9 Yu anchor pole to be measured, it is vertical with anchor pole to be measured to be adjusted to lower bolster 9, guarantees
Direction of pull is consistent with anchor pole direction to be measured, installs anchor pole clamp assemblies and extending pull rod 5, and the end of anchor pole to be measured passes through underlay
Plate 9 penetrates in sleeve 15, and adapter 16 is installed between the barrel and cone of sleeve 15, and adapter 16 is clamped in anchor to be measured
Outside bar, fixed ring 17 and attachment cap 18 are installed, attachment cap 18 is tightened and fixes fixed ring 17 and adapter 16, guarantee anchor to be measured
Bar is clamped and does not fall out, and extending pull rod 5 is penetrated from upper padding plate 8, and bottom end is connect with the threaded hole of attachment cap 18, installs hydraulic oil
Cylinder 2, installation locking nut 7 prevent extending pull rod 5 from gliding.
Further, support leg 12 and traveling nut 13 are hinged by globular hinge head, to rotate support leg 12, adjust
The angle of traveling nut 13 and concrete surface cooperates preferably adjusting auxiliary frame with bolt 14 is adjusted.
Further, as depicted in figs. 1 and 2, upper padding plate 8 and lower bolster 9 are triangle plate structure；Force transfer bracket 10
Connect upper padding plate 8 and the corresponding vertex of lower bolster 9；Adjustable feet component is arranged in three vertex of lower bolster 9.Triangle
Structure improves the force stability of entire auxiliary frame.
Further, it adjusts and is provided with hexagonal groove on the nut of bolt 14；Spanner 6 is l-shaped rod, and section is recessed with hexagonal
The hexagon of slot cooperation, it is easy to use.
Further, as depicted in figs. 1 and 2, the top of extending pull rod 5 is provided with rotary bayonet 5.1, for prolonging with installation
The tool of long draw 5 connects.
Further, locking nut 7 guarantees the reliable of locking nut 7 equipped with locking pieces such as check washer or sunk screws
Property.
Further, the contact surface of the wedge block of adapter 16 and anchor pole to be measured is pitted skin, i.e. contact surface is provided with protrusion,
To increase the frictional force between anchor pole to be measured.
Specifically, extending pull rod 5 uses high-quality steel；Upper padding plate 8, lower bolster 9 and force transfer bracket 10 are steel plate, using weldering
It connects；Fixture nut 11 is welded on lower bolster 9；The quantity of wedge block is 5 in adapter 16, is adopted with the contact surface of anchor pole to be measured
Pitted skin is made with high tensile metal；The design of hydraulic hand-pump 1, hydraulic cylinder 2 and oil pipe 3 the rock-bolt pulling capacity according to needed for scene
Its range and precision need to be demarcated before testing for the first time in authorization laboratory, and later calibration every half a year is primary.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all utilizations
Equivalent structure or equivalent flow shift made by the utility model description is applied directly or indirectly in other relevant
Technical field is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of rock-bolt draw-off gear, including hydraulic hand-pump, hydraulic cylinder, the connection hydraulic hand-pump and hydraulic oil
The oil pipe of cylinder and the pressure gauge being arranged on the oil pipe, which is characterized in that further include that externally threaded prolong is provided on the body of rod
Long draw, auxiliary frame, spanner, anchor pole clamp assemblies and locking nut；
The auxiliary frame includes upper padding plate, lower bolster, the force transfer bracket and adjustable feet component for connecting upper padding plate and lower bolster；
The first through hole passed through for extending pull rod is provided on the upper padding plate；
The second through-hole passed through for anchor pole to be measured is provided on the lower bolster；
The adjustable feet component includes that the fixture nut for being fixed on lower bolster downside, support leg and the support leg connect
The traveling nut and adjusting bolt connect；
The adjusting bolt passes through lower bolster and fixture nut, and tail end is located in traveling nut；
The spanner adjusts bolt for rotating；
The anchor pole clamp assemblies include sleeve, adapter, fixed ring and attachment cap；
The sleeve is between upper padding plate and lower bolster, and bottom end is recessed inwardly in cone, and the top of cone is provided with confession
The third through-hole that anchor pole to be measured passes through, top end opening are provided with internal screw thread on the inner wall on top；
The adapter is the fixture block being made of multiple wedge blocks, is arranged between the barrel of sleeve and cone, be clamped in
It surveys outside anchor pole；
The fixed ring passes through anchor pole to be measured, is resisted against the top of adapter；
The attachment cap is set in outside fixed ring, and outer wall is provided with the external screw thread with sleeve connection, and top is provided with and extends drawing
The threaded hole of bar connection；
The extending pull rod passes through upper padding plate and hydraulic cylinder, and top is located at outside hydraulic cylinder；
The locking nut is set on extending pull rod, is resisted against on hydraulic cylinder.
2. rock-bolt draw-off gear according to claim 1, which is characterized in that the support leg and traveling nut pass through
Globular hinge head is hinged.
3. rock-bolt draw-off gear according to claim 1, which is characterized in that the upper padding plate and lower bolster are three
Angular plate structure；
The force transfer bracket connection upper padding plate and the corresponding vertex of lower bolster；
The adjustable feet component is arranged in three vertex of lower bolster.
4. rock-bolt draw-off gear according to claim 1, which is characterized in that be arranged on the nut for adjusting bolt
There is hexagonal groove；
The spanner is l-shaped rod, and section is the hexagon cooperated with the hexagonal groove.
5. rock-bolt draw-off gear according to claim 1, which is characterized in that the top of the extending pull rod is provided with
Rotary bayonet.
6. rock-bolt draw-off gear according to claim 1, which is characterized in that the locking nut is furnished with locking piece.
7. rock-bolt draw-off gear according to claim 1, which is characterized in that the wedge block of the adapter with it is to be measured
The contact surface of anchor pole is pitted skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920295220.XU CN209704604U (en) | 2019-03-08 | 2019-03-08 | A kind of rock-bolt draw-off gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920295220.XU CN209704604U (en) | 2019-03-08 | 2019-03-08 | A kind of rock-bolt draw-off gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704604U true CN209704604U (en) | 2019-11-29 |
Family
ID=68645649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920295220.XU Expired - Fee Related CN209704604U (en) | 2019-03-08 | 2019-03-08 | A kind of rock-bolt draw-off gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704604U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220470A (en) * | 2020-03-26 | 2020-06-02 | 中水东北勘测设计研究有限责任公司 | Appearance is drawn to portable variable diameter stock |
| CN112129635A (en) * | 2020-10-15 | 2020-12-25 | 山东建筑大学 | Rib body drawing test system and method |
| CN112179776A (en) * | 2020-10-10 | 2021-01-05 | 中铁二十局集团有限公司 | Anchor rod drawing test device |
| CN113670721A (en) * | 2021-08-16 | 2021-11-19 | 北京思建新创工程质量检测有限公司 | Novel drawing monitoring device and construction method thereof |
| CN111220470B (en) * | 2020-03-26 | 2024-05-03 | 中水东北勘测设计研究有限责任公司 | Portable variable-diameter anchor rod drawing instrument |
-
2019
- 2019-03-08 CN CN201920295220.XU patent/CN209704604U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220470A (en) * | 2020-03-26 | 2020-06-02 | 中水东北勘测设计研究有限责任公司 | Appearance is drawn to portable variable diameter stock |
| CN111220470B (en) * | 2020-03-26 | 2024-05-03 | 中水东北勘测设计研究有限责任公司 | Portable variable-diameter anchor rod drawing instrument |
| CN112179776A (en) * | 2020-10-10 | 2021-01-05 | 中铁二十局集团有限公司 | Anchor rod drawing test device |
| CN112129635A (en) * | 2020-10-15 | 2020-12-25 | 山东建筑大学 | Rib body drawing test system and method |
| CN113670721A (en) * | 2021-08-16 | 2021-11-19 | 北京思建新创工程质量检测有限公司 | Novel drawing monitoring device and construction method thereof |
| CN113670721B (en) * | 2021-08-16 | 2024-04-02 | 北京思建新创工程质量检测有限公司 | Drawing monitoring device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 |