CN210166247U - Pulley type high strain detection device - Google Patents
Pulley type high strain detection device Download PDFInfo
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- CN210166247U CN210166247U CN201921032632.0U CN201921032632U CN210166247U CN 210166247 U CN210166247 U CN 210166247U CN 201921032632 U CN201921032632 U CN 201921032632U CN 210166247 U CN210166247 U CN 210166247U
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Abstract
The utility model relates to a high detection device that meets an emergency of pulley type, including support frame, weight, connect the hammer mechanism that carries of the vertical displacement of drive weight on the support frame, carry the hammer mechanism and include wire rope, connect the drive division on the support frame, connect the output epaxial connecting portion of drive division, connecting portion include the box, connect the first fixed pulley on the support frame, connect the running block in the box, wire rope one end is connected with the weight, the other end is connected on the support frame and is worn to establish running block, first fixed pulley in proper order. The utility model discloses can reduce the output stroke of two effect jack output shafts, and the structure itself is comparatively simple, and the security of device operation is high.
Description
Technical Field
The utility model belongs to the technical field of the technique of building engineering check out test set and specifically relates to a high detection device that meets an emergency of pulley type is related to.
Background
In the process of acceptance inspection of the foundation piles, a high-strain method is adopted to carry out detection tests on the bearing capacity and integrity of the single pile, and the free drop hammer is conventionally adopted to hammer the pile top to complete the tests.
The high strain method is a common method for detecting the quality of pile foundation engineering, and can detect the structural integrity and vertical compressive bearing capacity of a pile body. In the test process, the heavy hammer is lifted by a crane, then falls down by using external force, a hammering force is applied to the foundation pile, a sensor is arranged on the pile body, the speed and force time-course curve are collected, and the vertical compression bearing capacity and the integrity of the pile body of the single pile are judged through fluctuation theoretical analysis. The traditional method adopts a crane for hoisting and then adopts a method of manual external force unhooking.
Chinese patent with patent publication number CN207608938U discloses a be applicable to high strain detection device, which comprises a bracket, the weight, the lifting device, the support includes rectangular frame, install the locating plate on the rectangular frame curb girder, fixed gusset of using, install the positioning hole on the rectangular frame back timber, the guide rail is installed to rectangular frame's both sides, there is the journal stirrup of taking the connecting hole at the top of weight, the both sides of weight have with guide rail complex guide slot, the lifting device includes wire rope, the pneumatic cylinder, the crisscross arm. The cross arm is composed of two lever arms connected through a rotating shaft, pin columns extending inwards are arranged at the lower parts of the lever arms, and the upper parts of the lever arms are connected with steel wire ropes.
The above prior art solutions have the following drawbacks: thereby the in-process of promotion weight makes the cross wall clamp weight through taut wire rope, then promotes the weight, goes drive wire rope through the drive division that corresponds in-process of promotion, because do not set up the component of being connected or the butt with wire rope on the support, because the weight of weight itself is great, the degree of difficulty that the weight promoted is great.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high detection device that meets an emergency of pulley type has solved the great problem of the degree of difficulty that the weight promoted.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a high detection device that meets an emergency of pulley type, includes support frame, weight, connects the hammer mechanism that carries of drive weight vertical displacement on the support frame, carry the hammer mechanism and include wire rope, connect the drive division on the support frame, connect the connecting portion on the output shaft of drive division, connecting portion include the box, connect the first fixed pulley on the support frame, connect the running block in the box, wire rope one end is connected with the weight, and the other end is connected on the support frame and is worn to establish running block, first fixed pulley in proper order.
Through adopting above-mentioned technical scheme, wire rope's one end and weight are connected, and the weight that weight itself received is great, and wire rope is taut by the weight all the time, through the up-and-down motion of drive division drive box, can drive the running block up-and-down motion in the box when the box up-and-down motion to change the position of weight, the running block that this process was add, the effect of the output stroke of running block reduction drive division output shaft. The structure is simple and compact, and no complex parts are arranged, so that the safety of the device operation is high. The difficulty of lifting the heavy hammer is reduced.
The utility model discloses further set up to: the first fixed pulley and the movable pulley block are positioned on the same vertical line.
Through adopting above-mentioned technical scheme, first fixed pulley and running block are located same vertical line, then the pivoted in-process, thereby reduce the wire rope skew and cause the condition that the motion is not smooth and easy, greatly reduced the degree of difficulty that promotes the weight.
The utility model discloses further set up to: the movable pulley block comprises a first movable pulley and a second movable pulley which are sequentially connected in the box body from top to bottom, and the diameter of the second movable pulley is larger than that of the first movable pulley.
Through adopting above-mentioned technical scheme, the movable pulley group includes first movable pulley and second movable pulley, and two movable pulleys cooperate the output stroke of bigger reduction drive division output shaft each other, and the lifting height of weight is 4 times of drive division stroke.
The utility model discloses further set up to: the support frame is provided with a second fixed pulley and a third fixed pulley, the second fixed pulley is located above the heavy hammer, and the third fixed pulley is located between the first fixed pulley and the second fixed pulley and is close to the first fixed pulley.
Through adopting above-mentioned technical scheme, third fixed pulley and second fixed pulley are connected on the support frame, and its own possesses the effect that changes the direction of force to be convenient for change the application of force direction of drive division, make the position of drive division adjustable, the position that third fixed pulley and second fixed pulley set up is different, the transmission of being convenient for.
The utility model discloses further set up to: the diameters of the second fixed pulley and the third fixed pulley are the same, and the first fixed pulley, the second fixed pulley and the third fixed pulley are located on the same horizontal line.
Through adopting above-mentioned technical scheme, the diameter of second fixed pulley and third fixed pulley is the same, is convenient for the butt at the wire rope motion on its surface, and first fixed pulley, second fixed pulley, third fixed pulley are located same water flat line, and then the motion of wire rope is located the coplanar, the motion of the weight of being convenient for.
The utility model discloses further set up to: the supporting frame is provided with horizontal channel steel oppositely, the channel steel is arranged back to back, and the first fixed pulley, the second fixed pulley and the third fixed pulley are located between the two channel steel.
Through adopting above-mentioned technical scheme, two channel-section steels that set up dorsad are connected on the support frame, all play spacing effect to first fixed pulley, second fixed pulley, third fixed pulley, and channel-section steel itself possesses better intensity, makes the connection that first fixed pulley, second fixed pulley, third fixed pulley are more firm on the support frame, guarantees the smooth degree in the weight motion process.
The utility model discloses further set up to: the support frame is relatively provided with a vertical guide rail, and the guide rail is matched with the heavy hammer.
Through adopting above-mentioned technical scheme, guide rail and weight are mutually supported, make the weight along the vertical displacement of guide rail, then the guide rail plays spacing effect to the weight, reduces the condition that the weight takes place the skew in the motion process.
The utility model discloses further set up to: the top surface of the heavy hammer is oppositely provided with mounting lugs, a mounting pin is arranged between the two mounting lugs, and one end of the steel wire rope is connected to the mounting pin.
Through adopting above-mentioned technical scheme, there is the interval between the top surface of installation round pin, installation ear and weight, is connected wire rope one end and installation round pin, is convenient for wire rope and weight to be connected.
To sum up, the utility model discloses a beneficial technological effect does:
1. the box body is driven to move up and down by the driving part, and the movable pulley block in the box body can be driven to move up and down while the box body moves up and down, so that the position of the heavy hammer is changed;
2. the structure is simple and compact, no complex parts are needed, and the safety of the device operation is high.
3. The third fixed pulley and the second fixed pulley are connected on the supporting frame and have the effect of changing the direction of force, so that the force application direction of the driving part can be changed conveniently, and the position of the driving part can be adjusted;
4. the movable pulley block comprises a first movable pulley and a second movable pulley, and the lifting height of the heavy hammer is 4 times of the stroke of the driving part.
5. Two opposite channel-section steels that set up dorsad are connected on the support frame, all play spacing effect to first fixed pulley, second fixed pulley, third fixed pulley, and channel-section steel itself possesses better intensity, make the connection that first fixed pulley, second fixed pulley, third fixed pulley are more firm on the support frame, guarantee the smooth degree in the weight motion process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the structure of the weight of the present embodiment.
Fig. 3 is a side view of a part of the structure of the present invention.
In the figure, 1, a support frame; 11. a second fixed pulley; 12. a third fixed pulley; 13. channel steel; 14. a guide rail; 2. a weight; 21. mounting lugs; 22. mounting a pin; 3. a hammer lifting mechanism; 31. a wire rope; 32. a drive section; 33. a connecting portion; 331. a box body; 332. a first fixed pulley; 333. a movable pulley block; 334. a first movable pulley; 335. and a second movable pulley.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a pulley type high strain detection device, including support frame 1 and weight 2, the top surface relatively fixed of weight 2 has installation ear 21, is fixed with installation round pin 22 between two installation ears 21, has the interval between installation round pin 22, two installation ears 21, the weight 2, is convenient for promote weight 2 through this locating pin.
A second fixed pulley 11 and a third fixed pulley 12 are sequentially connected to the support frame 1 on the same horizontal line, the second fixed pulley 11 is located right above the center line of the heavy hammer 2, the third fixed pulley 12 is located above the side of the heavy hammer 2, and the diameters of the second fixed pulley 11 and the third fixed pulley 12 are the same.
The hammer lifting mechanism 3 is connected on the support frame 1 to drive the vertical displacement of the heavy hammer 2, the hammer lifting mechanism 3 comprises a driving part 32 connected on the support frame 1 and a connecting part 33 connected on an output shaft of the driving part 32, the driving part 32 is specifically a double-acting jack, a piston of the double-acting jack contracts, and the heavy hammer 2 is applied with a pulling force to lift the heavy hammer 2. The piston of the double-acting jack is extended to apply thrust, and the heavy hammer 2 can achieve the effect of free falling under the dual functions of self gravity and thrust. The double-acting jack is vertically arranged and is positioned on one side of the heavy hammer 2; the connecting part 33 comprises a box body 331, a first fixed pulley 332 connected to the support frame 1 and a movable pulley block 333 connected to the inside of the box body 331, the bottom surface of the box body 331 is connected with an output shaft of the double-acting jack, the first fixed pulley 332 is positioned above the double-acting jack, the movable pulley block 333 comprises a first movable pulley 334 and a second movable pulley 335 which are sequentially connected to the inside of the box body 331 from top to bottom, the diameter of the second movable pulley 335 is larger than that of the first movable pulley 334, and the center lines of the first movable pulley 334, the second movable pulley 335, the first fixed pulley 332 and the double-acting jack are positioned on the same vertical line.
The first fixed pulley 332, the second fixed pulley 11 and the third fixed pulley 12 are located on the same horizontal line, the horizontal channel steel 13 (see fig. 3) is relatively fixed on the support frame 1, the two channel steel 13 (see fig. 3) are arranged in a back direction, a space exists between the two channel steel 13 (see fig. 3), the first fixed pulley 332, the second fixed pulley 11 and the third fixed pulley 12 are connected between the two channel steel 13 (see fig. 3), and the third fixed pulley 12 is close to the first fixed pulley 332.
The hammer lifting mechanism 3 further comprises a steel wire rope 31, after one end of the steel wire rope 31 is connected with the hammer 2, the steel wire rope 31 is fixed on the support frame 1 after passing through the second fixed pulley 11, the third fixed pulley 12, the second movable pulley 335, the first fixed pulley 332 and the first movable pulley 334 in sequence, the fixed point is located below the first fixed pulley 332, the double-acting jack drives the box body 331 to move, and simultaneously drives the first movable pulley 334 and the second movable pulley 335 connected to the box body 331 to move, so that the position of the hammer 2 is changed, the first movable pulley 334 and the second movable pulley 335 have the advantage of reducing the output stroke of the output shaft of the double-acting jack, and in order to limit the moving position of the hammer 2, a vertical guide rail 14 is relatively fixed on the support frame 1, and the guide rail 14 is matched with the hammer 2.
The implementation principle of the embodiment is as follows: one end of the wire rope 31 is connected with the heavy hammer 2, the weight 2 is subjected to a larger gravity, the wire rope 31 is always tensioned by the heavy hammer 2, the box body 331 is driven to move up and down by the driving part 32, the box body 331 can drive the movable pulley block 333 in the box body 331 to move up and down while moving up and down, so that the position of the heavy hammer 2 is changed, the movable pulley block 333 is additionally arranged in the process, the wire rope 31 is connected with the first movable pulley 334 and the second movable pulley 335, the output stroke of an output shaft of the double-acting jack is shortened, the lifting height of the heavy hammer 2 is 4 times of the stroke of the jack, the whole structure is simple and compact, no complex part is provided, and the safety of.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a high detection device that meets an emergency of pulley type, includes support frame (1), weight (2), connects and drives the hammer mechanism (3) of carrying of weight (2) vertical displacement on support frame (1), its characterized in that: carry hammer mechanism (3) and include wire rope (31), connect drive division (32) on support frame (1), connect connecting portion (33) in the output shaft of drive division (32), connecting portion (33) include box (331), connect first fixed pulley (332) on support frame (1), connect movable pulley block (333) in box (331), wire rope (31) one end is connected with weight (2), and the other end is connected on support frame (1) and is worn to establish movable pulley block (333), first fixed pulley (332) in proper order.
2. The pulley type high strain detection device according to claim 1, wherein: the first fixed pulley (332) and the movable pulley block (333) are positioned on the same vertical line.
3. The pulley type high strain detection device according to claim 2, wherein: the movable pulley block (333) comprises a first movable pulley (334) and a second movable pulley (335) which are sequentially connected into the box body (331) from top to bottom, and the diameter of the second movable pulley (335) is larger than that of the first movable pulley (334).
4. The pulley type high strain detection device according to claim 3, wherein: be provided with second fixed pulley (11) and third fixed pulley (12) on support frame (1), second fixed pulley (11) are located the top of weight (2), third fixed pulley (12) are located between first fixed pulley (332) and second fixed pulley (11), and are close to first fixed pulley (332).
5. The pulley type high strain detection device according to claim 4, wherein: the diameters of the second fixed pulley (11) and the third fixed pulley (12) are the same, and the first fixed pulley (332), the second fixed pulley (11) and the third fixed pulley (12) are located on the same horizontal line.
6. The pulley type high strain detection device according to claim 5, wherein: the supporting frame (1) is relatively provided with horizontal channel steel (13), two channel steel (13) set up back to back, first fixed pulley (332), second fixed pulley (11), third fixed pulley (12) all are located between two channel steel (13).
7. The pulley type high strain detection device according to claim 1, wherein: the support frame (1) is relatively provided with a vertical guide rail (14), and the guide rail (14) is matched with the heavy hammer (2).
8. The pulley type high strain detection device according to claim 1, wherein: the top surface of the heavy hammer (2) is oppositely provided with mounting lugs (21), a mounting pin (22) is arranged between the two mounting lugs (21), and one end of the steel wire rope (31) is connected to the mounting pin (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921032632.0U CN210166247U (en) | 2019-07-03 | 2019-07-03 | Pulley type high strain detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921032632.0U CN210166247U (en) | 2019-07-03 | 2019-07-03 | Pulley type high strain detection device |
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| Publication Number | Publication Date |
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| CN210166247U true CN210166247U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921032632.0U Active CN210166247U (en) | 2019-07-03 | 2019-07-03 | Pulley type high strain detection device |
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| CN (1) | CN210166247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215125A (en) * | 2021-12-31 | 2022-03-22 | 中铁建工集团有限公司 | High strain detection device for pile cap |
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2019
- 2019-07-03 CN CN201921032632.0U patent/CN210166247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215125A (en) * | 2021-12-31 | 2022-03-22 | 中铁建工集团有限公司 | High strain detection device for pile cap |
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