CN215830860U - Buffer device for foundation bolt detection - Google Patents
Buffer device for foundation bolt detection Download PDFInfo
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- CN215830860U CN215830860U CN202121856182.4U CN202121856182U CN215830860U CN 215830860 U CN215830860 U CN 215830860U CN 202121856182 U CN202121856182 U CN 202121856182U CN 215830860 U CN215830860 U CN 215830860U
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Abstract
The utility model discloses a buffer device for foundation bolt mechanical detection, and mainly relates to the field of foundation bolt detection. The support is provided with a first jaw and a second jaw, the support is provided with a master cylinder for driving the second jaw to move, the support is provided with an upper beam, a connecting rod is arranged between the upper beam and the second jaw, the movable end of the master cylinder is connected with one side of the upper beam, the support is further provided with an auxiliary cylinder, the master cylinder and the auxiliary cylinder are respectively positioned on two opposite sides of the upper beam, the movable end of the auxiliary cylinder is connected with one side of the upper beam, which is opposite to the master cylinder, and a buffer spring is arranged between the movable end of the master cylinder and the movable end of the auxiliary cylinder. The utility model has the beneficial effects that: the piston rod of the oil cylinder can be effectively buffered when the foundation bolt is broken in a tensile test, and damage to the oil cylinder and a host system is reduced.
Description
Technical Field
The utility model relates to the field of foundation bolt detection, in particular to a buffer device for foundation bolt mechanical detection.
Background
Rag bolt is detecting its intensity time measuring, generally utilize the hydro-cylinder to carry out the tractive, the biggest tractive dynamics that rag bolt can bear is judged through the pulling force of test this moment when rag bolt fracture, thereby detect rag bolt's intensity, but current device is when detecting, in rag bolt cracked an instant, the hydro-cylinder loses the load and produces great impact force, the tractive dynamics of hydro-cylinder is great in addition, consequently very easily break the piston rod of hydro-cylinder, cause the damage to the hydro-cylinder, detection device's normal operating has been influenced, especially when detecting great rag bolt to intensity, the risk of hydro-cylinder damage is great, cause great economic loss and potential safety hazard easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a buffer device for detecting an anchor bolt, which can effectively buffer a piston rod of an oil cylinder when the anchor bolt is broken and reduce damage to the oil cylinder.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a rag bolt detects and uses buffer, includes the support, it keeps silent to be equipped with first jaw, second on the support, be equipped with the master cylinder that drives the second motion of keeping silent on the support, sliding connection has the entablature on the support, be equipped with the connecting rod between entablature and the second is kept silent, the expansion end of master cylinder is connected with one side of entablature, still be equipped with vice hydro-cylinder on the support, master cylinder and vice hydro-cylinder are located the relative both sides of entablature respectively, be connected with the relative one side of master cylinder on the expansion end of vice hydro-cylinder and the entablature, be equipped with buffer spring between the expansion end of master cylinder and the expansion end of vice hydro-cylinder.
Further, a rodless cavity and a rod cavity are arranged in the main oil cylinder and the auxiliary oil cylinder, the rodless cavity and the rod cavity are located on two sides of the piston respectively, the rodless cavity of the main oil cylinder is communicated with the rod cavity of the auxiliary oil cylinder through a first oil pipe, the rod cavity of the main oil cylinder is communicated with the rodless cavity of the auxiliary oil cylinder through a second oil pipe, an oil inlet pipe is arranged on the first oil pipe, an oil return pipe is arranged on the second oil pipe, and electromagnetic valves for controlling the opening and closing of the oil inlet pipe and the oil return pipe are arranged on the oil inlet pipe and the oil return pipe respectively.
Furthermore, a lower cross beam is arranged on the support and moves along the length direction of the support, the second jaw is fixed on the lower cross beam, and the connecting rod is fixed between the upper cross beam and the lower cross beam.
Furthermore, the upper cross beam and the lower cross beam are both rotatably connected with rollers, and the rollers are connected to the support in a rolling mode.
Furthermore, the movable end of the master cylinder and the movable end of the auxiliary cylinder are both provided with flanges, and the buffer spring is matched with the two flanges for use.
Furthermore, bolt holes are formed in the two flange plates, fixing bolts are arranged in the bolt holes, and the buffer spring is located between the nut of each fixing bolt and one of the flange plates.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the first jaw and the second jaw which are fixed on the foundation bolt are arranged on the support, the main oil cylinder is used for driving the upper cross beam to move, the second jaw is driven by the connecting rod to move, so that the foundation bolt is drawn, the auxiliary oil cylinder is arranged on one side of the upper cross beam opposite to the main oil cylinder, when the foundation bolt is broken, the main oil cylinder loses load and generates instant strong impact force, the auxiliary oil cylinder is used for buffering the impact, part of the impact generated by the main oil cylinder is converted into the impact on hydraulic oil in the auxiliary oil cylinder, the impact force generated by the main oil cylinder can be dispersed, the impact force born by the main oil cylinder is reduced, the piston rod is prevented from being broken, the damage to the main oil cylinder is reduced, meanwhile, the auxiliary oil cylinder can also assist in drawing, and the load of the main oil cylinder is reduced;
2. the movable ends of the main oil cylinder and the auxiliary oil cylinder are connected with the upper cross beam, a buffer spring is arranged between the main oil cylinder and the auxiliary oil cylinder, after the main oil cylinder generates impact and is buffered by the auxiliary oil cylinder, the piston cylinder can generate reciprocating vibration to offset the impact, and therefore the buffer spring is arranged between the main oil cylinder and the auxiliary oil cylinder, the effect of buffering reciprocating vibration is better, the movable end of the main oil cylinder is prevented from generating rigid impact on the auxiliary oil cylinder to cause damage of the auxiliary oil cylinder, and the service life of the device is guaranteed.
Drawings
FIG. 1 is a schematic view of a connection structure of a master cylinder and a slave cylinder according to the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a cross-sectional view taken along the line a-a of fig. 3 of the present invention.
Reference numerals shown in the drawings:
1. a support; 2. a first jaw; 3. a second jaw; 4. a master cylinder; 5. an upper cross beam; 6. a connecting rod; 7. an auxiliary oil cylinder; 8. a buffer spring; 9. a rodless cavity; 10. a rod cavity; 11. a first oil pipe; 12. a second oil pipe; 13. an oil inlet pipe; 14. an oil return pipe; 15. an electromagnetic valve; 16. a lower cross beam; 17. a roller; 18. a flange plate; 19. bolt holes; 20. and (5) fixing the bolt.
Detailed Description
The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The utility model relates to a buffer device for detecting foundation bolts, which comprises a main body structure, wherein the main body structure comprises a support 1, the support 1 comprises two cross rods which are arranged in parallel, the cross rods are fixed on the ground through supporting legs at the bottom, a first jaw 2 and a second jaw 3 are arranged on the support 1, nuts at two ends of the foundation bolts are respectively placed in the first jaw 2 and the second jaw 3 when in use, a main oil cylinder 4 for driving the second jaw 3 to move is arranged on the support 1, the main oil cylinder 4 is used for pushing the second jaw 3 to move so as to draw the foundation bolts, the maximum drawing force is tested when the foundation bolts are broken so as to detect the strength of the foundation bolts, an upper cross beam 5 is connected on the support 1 in a sliding manner, a connecting rod 6 is arranged between the upper cross beam 5 and the second jaw 3, and two ends of the connecting rod 6 are fixedly connected with the second jaw 3 and the upper cross beam 5 through bolts, the movable end of the main oil cylinder 4 is assembled with one side of the upper cross beam 5 in a shaft head and shaft socket mode and fixedly connected through a bolt, the main oil cylinder 4 is used for driving the upper cross beam 5 to move, meanwhile, the connecting rod 6 is used for driving the second jaw 3 to move along the support 1, the arrangement can make room for the installation of the main oil cylinder 4, the limitation of the space between the first jaw 2 and the second jaw 3 on the installation of the main oil cylinder 4 is avoided, meanwhile, the main oil cylinder 4 is used for drawing, compared with the drawing force when the main oil cylinder 4 is contracted for drawing, the drawing force is more stable, the required working pressure of the main hydraulic system is lower, the reliability of the whole system is improved, the support 1 is also provided with the auxiliary oil cylinders 7, the main oil cylinder 4 and the auxiliary oil cylinders 7 are respectively positioned at two opposite sides of the upper cross beam 5, the movable end of the auxiliary oil cylinder 7 is connected with one side of the upper cross beam 5, which is opposite to the main oil cylinder 4, the arrangement enables the main oil cylinder 4 and the auxiliary oil cylinder 7 to be respectively and symmetrically positioned at two sides of the upper cross beam 5, the auxiliary oil cylinder 7 contracts when the main oil cylinder 4 extends, so that when the anchor bolt breaks to enable the main oil cylinder 4 to generate impact force, the movable end of the auxiliary oil cylinder 7 can be impacted to enable the auxiliary oil cylinder to compress hydraulic oil, the impact force generated by the main oil cylinder 4 is buffered, impact is shared, damage to the main oil cylinder 4 is reduced, breakage of a piston rod is effectively avoided, safety and integrity of the main oil cylinder 4 are guaranteed, the buffer spring 8 is arranged between the movable end of the main oil cylinder 4 and the movable end of the auxiliary oil cylinder 7, impact can be buffered after reciprocating motion of the movable end of the main oil cylinder 4 when impact is generated, the buffer spring 8 is arranged between the movable end of the main oil cylinder and the auxiliary oil cylinder, and hard contact is avoided in the relative motion process of the movable end of the main oil cylinder 4 and the movable end of the auxiliary oil cylinder 7, utilize buffer spring 8 to cushion the motion of both, improve the effect of buffering, all carry out good protection to both.
Preferably, the main cylinder 4 and the auxiliary cylinder 7 are both provided with a rodless cavity 9 and a rod cavity 10, the rodless cavity 9 and the rod cavity 10 are respectively located at two sides of the piston, the cavity where the piston rod is located is the rod cavity 10, the other side is the rodless cavity 9, the rodless cavity 9 and the rod cavity 10 of the auxiliary cylinder 7 can be driven to move towards the oil outlet cavity by feeding oil and discharging oil into the two cavities, the rodless cavity 9 of the main cylinder 4 is communicated with the rod cavity 10 of the auxiliary cylinder 7 through a first oil pipe 11, the rod cavity 10 of the main cylinder 4 is communicated with the rodless cavity 9 of the auxiliary cylinder 7 through a second oil pipe 12, the first oil pipe 11 is provided with an oil inlet pipe 13, the second oil pipe 12 is provided with an oil return pipe 14, the oil inlet pipe 13 and the oil return pipe 14 are both provided with an electromagnetic valve 15 for controlling the opening and closing of the electromagnetic valve, when the main cylinder 4 generates impact due to breakage of the anchor bolt, the electromagnetic valve 15 arranged on the oil inlet pipe 13 and the oil return pipe 14 is closed, the hydraulic oil in the main oil cylinder 4 and the auxiliary oil cylinder 7 does not flow outwards any more, but flows between the two, firstly, the piston cylinder in the main oil cylinder 4 moves towards the rod cavity 10, the hydraulic oil in the rod cavity 10 is compressed to enter the rodless cavity 9 in the auxiliary oil cylinder 7 through the second oil pipe 12, the piston of the auxiliary oil cylinder 7 is pushed to move towards the rod cavity 10, the piston of the main oil cylinder 4 is driven to move towards the reverse direction of impact under the connection with the main oil cylinder 4, so that the impact generated by the main oil cylinder 4 is buffered, the resultant force of the impact is reduced, the impact on the main oil cylinder 4 is reduced, the safety and the integrity of the main oil cylinder are effectively protected, the hydraulic oil in the rod cavity 10 is compressed by the movement of the auxiliary oil cylinder 7 towards the rod cavity 10, the hydraulic oil enters the rodless cavity 9 in the main oil cylinder 4 through the first oil pipe 11 to push the piston of the main oil cylinder 4 to move towards the direction of the impact, the piston of the main oil cylinder 4 reciprocates in a micro high-frequency reciprocating mode, so that the impact force is effectively buffered until the impact force finally tends to be stable, the buffering effect is more obvious, the impact on the independent main oil cylinder 4 and the auxiliary oil cylinder 7 is effectively reduced, and the completeness and the safety of the driving assembly are guaranteed.
Preferably, the support 1 is provided with a lower cross beam 16, the lower cross beam 16 moves along the length direction of the support 1, the second jaw 3 is fixed on the lower cross beam 16, the connecting rod 6 is fixed between the upper cross beam 5 and the lower cross beam 16, the lower cross beam 16 can provide a stable installation position for the second jaw 3 on one hand, and meanwhile, the connecting rod 6 is used for connecting the upper cross beam 5 and the lower cross beam 16 to enable the connection between the upper cross beam 5 and the lower cross beam 16 to be more stable, the main oil cylinder 4 drives the second jaw 3 to move, the movement between the two is more consistent, the delay is reduced, and the driving stability is ensured.
Preferably, the upper beam 5 and the lower beam 16 are rotatably connected with rollers 17, and the rollers 17 are connected to the bracket 1 in a rolling manner, so that the movement of the upper beam 5 and the lower beam 16 relative to the bracket 1 is in a rolling movement manner, the friction force relative to the movement of the bracket 1 is smaller, the resistance in the movement process is reduced, and the movement of the device is smoother.
Preferably, the expansion end of the master cylinder 4 and the expansion end of the auxiliary cylinder 7 are both provided with a flange 18, the buffer spring 8 is matched with the two flanges 18 for use, the flange 18 can be connected with the expansion ends of the master cylinder 4 and the auxiliary cylinder 7 by bolts, the flange 18 can provide space for installing the buffer spring 8 when the two are connected conveniently, the action position of the buffer spring 8 is more stable, and the buffer effect on impact is ensured.
Preferably, two all be equipped with bolt hole 19 on the ring flange 18, be equipped with fixing bolt 20 in the bolt hole 19, buffer spring 8 is located between fixing bolt 20's nut and one of them ring flange 18, establishes buffer spring 8 cover and makes its atress when receiving the compression more stable in fixing bolt 20's outside messenger, is difficult for rocking, has guaranteed buffering effect, because the reciprocating motion of 4 expansion ends of master cylinder can produce the reciprocating compression that lasts to buffer spring 8 during the buffering, such setting can guarantee buffer spring 8's stability when reciprocating compression, guarantees its shock-absorbing capacity.
The working principle is as follows: according to the utility model, the bracket 1 is provided with the first jaw 2 and the second jaw 3 which are fixed on the foundation bolt, the main oil cylinder 4 is used for driving the upper cross beam 5 to move, the second jaw 3 is driven by the connecting rod 6 to move, so that the foundation bolt is drawn, the auxiliary oil cylinder 7 is arranged on one side of the upper cross beam 5 opposite to the main oil cylinder 4, when the foundation bolt is broken, the main oil cylinder 4 loses load and generates instant strong impact force, the auxiliary oil cylinder 7 is used for buffering the impact, part of the impact generated by the main oil cylinder 4 is converted into the impact on hydraulic oil in the auxiliary oil cylinder 7, the impact force generated by the main oil cylinder 4 can be dispersed, the impact force born by the main oil cylinder 4 is reduced, the breakage of a piston rod is avoided, the damage to the main oil cylinder 4 is reduced, meanwhile, the auxiliary oil cylinder 7 can assist in drawing, and the load of the main oil cylinder 4 is reduced; the movable ends of the main oil cylinder 4 and the auxiliary oil cylinder 7 are connected with the upper cross beam 5, a buffer spring is arranged between the main oil cylinder and the auxiliary oil cylinder, after the main oil cylinder generates impact and is buffered by the auxiliary oil cylinder, the piston cylinder can generate reciprocating vibration to offset the impact, and therefore the buffer spring 8 is arranged between the main oil cylinder and the auxiliary oil cylinder, the effect of buffering reciprocating vibration is better, the movable end of the main oil cylinder 4 is prevented from generating rigid impact on the auxiliary oil cylinder 7 to cause damage to the auxiliary oil cylinder 7, and the service life of the device is guaranteed.
Claims (6)
1. The utility model provides a rag bolt detects uses buffer, includes support (1), be equipped with first keep silent (2), the second keeps silent (3) on support (1), be equipped with master cylinder (4) that drive second kept silent (3) motion on support (1), its characterized in that: sliding connection has entablature (5) on support (1), entablature (5) and second are kept silent and are equipped with connecting rod (6) between (3), the expansion end of master cylinder (4) is connected with one side of entablature (5), still be equipped with vice hydro-cylinder (7) on support (1), master cylinder (4) and vice hydro-cylinder (7) are located the both sides that entablature (5) are relative respectively, be connected with one side that master cylinder (4) are relative on the expansion end of vice hydro-cylinder (7) and entablature (5), be equipped with buffer spring (8) between the expansion end of master cylinder (4) and the expansion end of vice hydro-cylinder (7).
2. The buffer device for foundation bolt detection according to claim 1, wherein: all be equipped with rodless chamber (9) and have pole chamber (10) in master cylinder (4) and vice hydro-cylinder (7), rodless chamber (9) and have the both sides that pole chamber (10) are located the piston respectively, rodless chamber (9) of master cylinder (4) and vice hydro-cylinder (7) have pole chamber (10) to communicate through first oil pipe (11), the rodless chamber (9) of having pole chamber (10) and vice hydro-cylinder (7) of master cylinder (4) pass through second oil pipe (12) intercommunication, be equipped with on first oil pipe (11) and advance oil pipe (13), be equipped with back oil pipe (14) on second oil pipe (12), it all is equipped with solenoid valve (15) of its switching of control on advancing oil pipe (13) and returning oil pipe (14).
3. The buffer device for foundation bolt detection according to claim 1, wherein: the clamp is characterized in that a lower cross beam (16) is arranged on the support (1), the lower cross beam (16) moves along the length direction of the support (1), the second jaw (3) is fixed on the lower cross beam (16), and the connecting rod (6) is fixed between the upper cross beam (5) and the lower cross beam (16).
4. The buffer device for rag bolt detection according to claim 3, characterized in that: the upper cross beam (5) and the lower cross beam (16) are connected with rollers (17) in a rotating mode, and the rollers (17) are connected to the support (1) in a rolling mode.
5. The buffer device for foundation bolt detection according to claim 1, wherein: the movable end of the main oil cylinder (4) and the movable end of the auxiliary oil cylinder (7) are both provided with flange plates (18), and the buffer spring (8) is matched with the two flange plates (18) for use.
6. The buffer device for foundation bolt detection according to claim 5, wherein: bolt holes (19) are formed in the two flange plates (18), fixing bolts (20) are arranged in the bolt holes (19), and the buffer spring (8) is located between a nut of each fixing bolt (20) and one of the flange plates (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121856182.4U CN215830860U (en) | 2021-08-10 | 2021-08-10 | Buffer device for foundation bolt detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121856182.4U CN215830860U (en) | 2021-08-10 | 2021-08-10 | Buffer device for foundation bolt detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830860U true CN215830860U (en) | 2022-02-15 |
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ID=80194399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121856182.4U Active CN215830860U (en) | 2021-08-10 | 2021-08-10 | Buffer device for foundation bolt detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215830860U (en) |
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2021
- 2021-08-10 CN CN202121856182.4U patent/CN215830860U/en active Active
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